/* roulang page: index */
:root{
  --bg-0:#050a12;
  --bg-1:#081528;
  --bg-2:#0c1d34;
  --surface:rgba(13,31,52,.58);
  --surface-strong:rgba(15,36,60,.88);
  --text:#eaf4ff;
  --muted:#9bb0c9;
  --gold:#f5b642;
  --gold-soft:#ffd27a;
  --signal:#42e6c9;
  --coral:#ff6f8b;
  --line:rgba(126,180,255,.16);
  --line-gold:rgba(245,182,66,.48);
  --shadow:0 24px 70px rgba(0,0,0,.38);
  --shadow-soft:0 12px 34px rgba(0,0,0,.26);
  --r-lg:22px;
  --r-md:18px;
  --r-sm:14px;
  --container:1240px;
  --ease:220ms ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(900px 620px at 82% 6%, rgba(245,182,66,.16), transparent 62%),
    radial-gradient(760px 520px at 8% 42%, rgba(66,230,201,.10), transparent 66%),
    radial-gradient(700px 560px at 54% 96%, rgba(255,111,139,.08), transparent 68%),
    linear-gradient(180deg,#050a12 0%,#071223 46%,#050a12 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(rgba(126,180,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,180,255,.055) 1px, transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section-sm{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;letter-spacing:.22em;color:var(--gold);
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--gold),transparent);}
h2.section-title{font-size:clamp(26px,3vw,38px);margin-bottom:16px;}
.section-lead{color:var(--muted);max-width:640px;font-size:16.5px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  height:76px;
  display:flex;align-items:center;
  background:rgba(6,14,26,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:rgba(5,10,18,.94);box-shadow:0 14px 40px rgba(0,0,0,.45);}
.header-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:22px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;font-size:14.5px;color:#c8d8ea;white-space:nowrap;padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));transition:width var(--ease);
}
.nav-link:hover{color:var(--gold-soft);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--text);}
.nav-link.active::after{width:18px;}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.15;padding:6px 10px;border-radius:12px;}
.brand-main{font-size:19px;font-weight:700;letter-spacing:.06em;color:#fff;}
.brand-sub{font-size:11px;letter-spacing:.42em;color:var(--gold);margin-top:3px;padding-left:.42em;}
.brand:hover .brand-main{color:var(--gold-soft);}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:999px;border:none;
  font-size:14.5px;font-weight:600;color:#1a1205;
  background:linear-gradient(135deg,#ffd27a,#f5b642 62%,#e2a129);
  box-shadow:0 10px 26px rgba(245,182,66,.28);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  cursor:pointer;
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(245,182,66,.42);filter:brightness(1.04);color:#1a1205;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--signal);
  background:rgba(66,230,201,.06);border:1px solid rgba(66,230,201,.42);
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(66,230,201,.14);border-color:var(--signal);color:var(--signal);}
.nav-cta{display:inline-flex;white-space:nowrap;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:rgba(13,31,52,.7);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--gold-soft);}

/* offcanvas 菜单 */
.menu-drawer{background:rgba(7,17,31,.97);border-left:1px solid var(--line);color:var(--text);width:min(88vw,360px);}
.menu-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.menu-drawer .drawer-brand{display:flex;flex-direction:column;line-height:1.2;}
.menu-drawer .drawer-brand b{font-size:17px;}
.menu-drawer .drawer-brand small{color:var(--gold);letter-spacing:.3em;font-size:10.5px;margin-top:4px;}
.menu-drawer .offcanvas-body{padding:18px 20px 26px;display:flex;flex-direction:column;height:100%;}
.menu-group-title{font-size:12px;letter-spacing:.2em;color:var(--muted);margin:16px 0 8px;}
.menu-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:8px 2px;border-bottom:1px solid rgba(126,180,255,.1);
  font-size:15.5px;color:#d5e3f2;
}
.menu-link:hover{color:var(--gold-soft);}
.menu-link span{color:var(--muted);font-size:12px;}
.menu-drawer .offcanvas-footer{margin-top:auto;padding-top:22px;}
.menu-drawer .btn-gold{width:100%;}
.btn-close{filter:invert(1) grayscale(1) brightness(1.6);}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:86vh;display:flex;align-items:center;
  padding:80px 0 64px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  filter:saturate(.85);
  opacity:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 460px at 78% 22%, rgba(245,182,66,.28), transparent 62%),
    linear-gradient(100deg,rgba(5,10,18,.96) 12%,rgba(5,10,18,.72) 48%,rgba(5,10,18,.52) 100%);
}
.hero .container-x{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;
  background:rgba(245,182,66,.1);border:1px solid rgba(245,182,66,.34);
  font-size:13px;color:var(--gold-soft);margin-bottom:22px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--signal);box-shadow:0 0 10px var(--signal);}
h1.hero-title{
  font-size:clamp(32px,4.4vw,56px);line-height:1.22;letter-spacing:.5px;margin-bottom:22px;
}
h1.hero-title .accent{
  background:linear-gradient(120deg,#ffd27a,#f5b642 60%,#ff9f43);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:#b9cbe0;max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px;}
.metric-pill{
  display:flex;flex-direction:column;gap:2px;padding:12px 18px;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.metric-pill b{font-size:19px;color:var(--gold-soft);font-family:"Space Grotesk",system-ui,sans-serif;letter-spacing:.02em;}
.metric-pill span{font-size:12.5px;color:var(--muted);}

/* 控制台卡 */
.console{
  background:var(--surface-strong);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow),inset 0 1px rgba(255,255,255,.08);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.console-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.console-head b{font-size:15.5px;}
.console-head span{font-size:12px;color:var(--signal);border:1px solid rgba(66,230,201,.36);border-radius:999px;padding:3px 10px;}
.console-cover{border-radius:var(--r-sm);overflow:hidden;margin-bottom:20px;position:relative;}
.console-cover img{width:100%;height:150px;object-fit:cover;}
.console-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,10,18,.86));}
.console-cover em{
  position:absolute;left:14px;bottom:12px;font-style:normal;font-size:12.5px;color:#fff;
  padding:3px 10px;border-radius:999px;background:rgba(245,182,66,.9);color:#1a1205;font-weight:600;
}
.step-line{display:flex;flex-direction:column;gap:14px;}
.step-item{display:flex;align-items:center;gap:12px;font-size:14px;color:#cfdded;}
.step-dot{
  width:22px;height:22px;flex:0 0 22px;border-radius:50%;display:grid;place-items:center;
  font-size:11px;border:1px solid var(--line-gold);color:var(--gold-soft);
}
.step-item.done .step-dot{background:rgba(66,230,201,.16);border-color:var(--signal);color:var(--signal);}
.step-item.done{color:#eaf4ff;}
.step-bar{flex:1;height:6px;border-radius:99px;background:rgba(126,180,255,.14);overflow:hidden;}
.step-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--signal),var(--gold));}

/* ============ 卖点 2+1 ============ */
.point-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;margin-top:44px;}
.point-card{
  position:relative;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--surface);padding:30px;overflow:hidden;
  box-shadow:var(--shadow-soft),inset 0 1px rgba(255,255,255,.06);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.point-card:hover{transform:translateY(-4px);border-color:var(--line-gold);box-shadow:0 22px 54px rgba(0,0,0,.42);}
.point-card.wide{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;min-height:340px;}
.point-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,rgba(245,182,66,.2),rgba(66,230,201,.14));
  border:1px solid rgba(245,182,66,.3);color:var(--gold-soft);font-size:19px;font-weight:700;
}
.point-card h3{font-size:21px;margin-bottom:10px;}
.point-card p{color:var(--muted);font-size:15.5px;}
.point-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.tag{
  font-size:12.5px;padding:4px 12px;border-radius:999px;
  border:1px solid var(--line);color:#a9c0d8;background:rgba(126,180,255,.06);
}
.tag.gold{border-color:rgba(245,182,66,.4);color:var(--gold-soft);background:rgba(245,182,66,.08);}

/* ============ 演示 横向滚动 ============ */
.demo-wrap{margin-top:40px;position:relative;}
.demo-scroll{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.demo-scroll::-webkit-scrollbar{height:6px;}
.demo-scroll::-webkit-scrollbar-thumb{background:rgba(245,182,66,.4);border-radius:99px;}
.demo-card{
  flex:0 0 clamp(260px,30vw,340px);scroll-snap-align:start;
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-strong);
  overflow:hidden;transition:transform var(--ease),border-color var(--ease);
}
.demo-card:hover{transform:translateY(-4px);border-color:var(--line-gold);}
.demo-card img{width:100%;height:168px;object-fit:cover;}
.demo-body{padding:20px;}
.demo-num{
  font-family:"Space Grotesk",system-ui,sans-serif;font-size:13px;letter-spacing:.16em;
  color:var(--signal);margin-bottom:8px;
}
.demo-body h3{font-size:18px;margin-bottom:8px;}
.demo-body p{font-size:14.5px;color:var(--muted);}

/* ============ 证据 ============ */
.evidence-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;
  padding:26px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--surface);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.ev-num{
  font-family:"Space Grotesk",system-ui,sans-serif;font-size:clamp(28px,3.4vw,42px);
  color:#fff;line-height:1.1;
}
.ev-num em{font-style:normal;font-size:15px;color:var(--gold);margin-left:4px;}
.ev-label{font-size:13.5px;color:var(--muted);margin-top:6px;}
.case-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;margin-top:32px;}
.case-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--surface-strong);box-shadow:var(--shadow-soft);
}
.case-card figure{margin:0;position:relative;}
.case-card img{width:100%;height:280px;object-fit:cover;}
.case-card figcaption{
  position:absolute;left:20px;bottom:18px;font-size:13px;color:#dceaf7;
  background:rgba(5,10,18,.72);border:1px solid var(--line);padding:6px 14px;border-radius:999px;
  backdrop-filter:blur(8px);
}
.case-body{padding:26px;}
.case-body h3{font-size:21px;margin-bottom:10px;}
.case-body p{color:var(--muted);font-size:15.5px;}
.timeline{padding:26px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);}
.timeline h3{font-size:17px;margin-bottom:20px;color:var(--gold-soft);}
.tl-item{position:relative;padding-left:26px;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:0;top:7px;width:10px;height:10px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(245,182,66,.16);
}
.tl-item::after{content:"";position:absolute;left:4.5px;top:20px;bottom:2px;width:1px;background:rgba(126,180,255,.22);}
.tl-item:last-child::after{display:none;}
.tl-item b{display:block;font-size:15px;margin-bottom:3px;}
.tl-item span{font-size:13.5px;color:var(--muted);}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:22px;margin-top:46px;align-items:stretch;}
.price-card{
  display:flex;flex-direction:column;padding:30px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--surface);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.price-card:hover{transform:translateY(-4px);border-color:var(--line-gold);}
.price-card.featured{
  border:1px solid var(--line-gold);background:var(--surface-strong);
  box-shadow:0 26px 66px rgba(0,0,0,.46),0 0 0 1px rgba(245,182,66,.12) inset;
  transform:translateY(-10px);
}
.price-card.featured:hover{transform:translateY(-14px);}
.price-badge{
  align-self:flex-start;font-size:12px;padding:3px 12px;border-radius:999px;margin-bottom:14px;
  background:linear-gradient(135deg,#ffd27a,#f5b642);color:#1a1205;font-weight:700;
}
.price-name{font-size:19px;margin-bottom:6px;}
.price-desc{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.price-amount{font-family:"Space Grotesk",system-ui,sans-serif;font-size:36px;color:#fff;line-height:1.1;}
.price-amount small{font-size:14px;color:var(--muted);font-weight:400;margin-left:4px;font-family:inherit;}
.price-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px;}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:#c3d5e7;}
.price-list li::before{
  content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:2px;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
}
.price-card .btn-gold,.price-card .btn-ghost{width:100%;margin-top:auto;}

/* ============ 最新信息 ============ */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-strong);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-gold);box-shadow:0 20px 46px rgba(0,0,0,.4);}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;height:180px;object-fit:cover;transition:transform 420ms ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-cat{
  position:absolute;left:14px;top:14px;font-size:12px;padding:3px 11px;border-radius:999px;
  background:rgba(5,10,18,.78);border:1px solid rgba(245,182,66,.5);color:var(--gold-soft);
  backdrop-filter:blur(6px);
}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{
  font-size:14.5px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid rgba(126,180,255,.1);}
.news-foot time{font-size:13px;color:#8aa0b8;}
.news-arrow{color:var(--gold);font-size:15px;transition:transform var(--ease);}
.news-card:hover .news-arrow{transform:translateX(4px);}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;border-radius:var(--r-md);
  border:1px dashed rgba(126,180,255,.26);background:rgba(13,31,52,.4);
}
.news-empty svg{width:44px;height:44px;color:rgba(245,182,66,.6);margin-bottom:14px;}
.news-empty p{color:var(--muted);font-size:15px;margin-bottom:16px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start;}
.faq-left{position:sticky;top:110px;}
.faq-left p{color:var(--muted);font-size:15.5px;margin-top:14px;max-width:360px;}
.accordion-item{
  background:var(--surface);border:1px solid var(--line)!important;border-radius:var(--r-sm)!important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--line-gold)!important;}
.accordion-button{
  background:transparent;color:var(--text);font-size:16px;font-weight:600;
  padding:18px 22px;box-shadow:none!important;border-radius:var(--r-sm)!important;
}
.accordion-button:not(.collapsed){color:var(--gold-soft);background:rgba(245,182,66,.06);}
.accordion-button::after{
  background-image:none;content:"";width:10px;height:10px;border-right:2px solid var(--gold);
  border-bottom:2px solid var(--gold);transform:rotate(45deg);margin-top:-4px;
  transition:transform var(--ease);flex:0 0 10px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:4px;}
.accordion-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ============ CTA 表单 ============ */
.cta-section{padding-bottom:110px;}
.cta-panel{
  position:relative;overflow:hidden;border-radius:26px;border:1px solid var(--line-gold);
  background:var(--surface-strong);padding:52px;
  box-shadow:var(--shadow),inset 0 1px rgba(255,255,255,.08);
}
.cta-panel::before{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,182,66,.28),transparent 66%);
}
.cta-panel::after{
  content:"";position:absolute;left:-120px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(66,230,201,.18),transparent 66%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:center;}
.cta-copy h2{font-size:clamp(25px,3vw,36px);margin-bottom:16px;}
.cta-copy p{color:var(--muted);font-size:16px;margin-bottom:24px;}
.cta-points{display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#c7d8ea;}
.cta-points li i{
  width:20px;height:20px;flex:0 0 20px;border-radius:50%;display:grid;place-items:center;
  background:rgba(66,230,201,.14);border:1px solid rgba(66,230,201,.4);
  color:var(--signal);font-size:11px;font-style:normal;
}
.form-card{
  background:rgba(7,17,31,.72);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;color:#b5c8db;}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 14px;border-radius:12px;
  background:rgba(11,25,43,.9);border:1px solid var(--line);color:var(--text);
  font-size:14.5px;font-family:inherit;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#617993;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,182,66,.16);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.check-row{display:flex;align-items:flex-start;gap:10px;grid-column:1/-1;font-size:13px;color:var(--muted);}
.check-row input{width:18px;height:18px;min-height:auto;margin-top:3px;accent-color:var(--gold);}
.form-note{grid-column:1/-1;font-size:12.5px;color:#7b93ab;}
.form-card .btn-gold{width:100%;margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,17,31,.6),rgba(4,9,16,.96));
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand{align-items:flex-start;padding:0;margin-bottom:16px;}
.footer-brand .brand-sub{letter-spacing:.34em;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:320px;line-height:1.85;}
.footer-col h4{font-size:14px;color:var(--gold-soft);margin-bottom:16px;letter-spacing:.08em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#a7bdd4;}
.footer-col a:hover{color:var(--gold-soft);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(126,180,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#748ba2;
}
.footer-bottom a{color:#8ba3bb;}
.footer-bottom a:hover{color:var(--gold-soft);}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:1030;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-size:14.5px;font-weight:600;color:#1a1205;
  background:linear-gradient(135deg,#ffd27a,#f5b642 62%,#e2a129);
  box-shadow:0 14px 38px rgba(245,182,66,.4);
  opacity:0;visibility:hidden;transform:translateY(16px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{filter:brightness(1.06);color:#1a1205;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-left,.nav-left.nav-links,.nav-right .nav-link{font-size:13.8px;}
  .nav-left{gap:16px;}
  .nav-right{gap:16px;}
  .hero-grid{gap:36px;}
  .cta-panel{padding:40px;}
  .cta-inner{gap:34px;}
  .faq-grid{gap:34px;}
}
@media (max-width:991.98px){
  .header-inner{grid-template-columns:auto 1fr auto;}
  .nav-left,.nav-right{display:none;}
  .brand{align-items:flex-start;justify-self:start;}
  .nav-toggle{display:flex;justify-self:end;}
  .site-header{height:70px;}
  .hero{min-height:auto;padding:64px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .console{max-width:520px;}
  .section{padding:72px 0;}
  .point-grid{grid-template-columns:1fr;}
  .point-card.wide{min-height:auto;}
  .evidence-band{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;gap:18px;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-grid{grid-template-columns:1fr;}
  .faq-left{position:static;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container-x{padding:0 18px;}
  .section{padding:54px 0;}
  .hero{padding:48px 0 44px;}
  h1.hero-title{font-size:clamp(28px,7.4vw,36px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-gold,.hero-actions .btn-ghost{flex:1 1 100%;}
  .metric-pill{flex:1 1 46%;}
  .point-card{padding:24px;}
  .news-grid{grid-template-columns:1fr;}
  .case-card img{height:210px;}
  .cta-panel{padding:26px 20px;border-radius:20px;}
  .form-card{padding:22px 18px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    padding:15px 20px;transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0);}
  .site-footer{padding-bottom:76px;}
  .evidence-band{padding:20px;}
}
@media (max-width:479.98px){
  .container-x{padding:0 14px;}
  .brand-main{font-size:16.5px;}
  .brand-sub{font-size:10px;letter-spacing:.3em;}
  .metric-pill b{font-size:17px;}
  .price-amount{font-size:30px;}
  .demo-card{flex:0 0 84vw;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#050a12;
  --bg-1:#081528;
  --bg-2:#0c1d34;
  --surface:rgba(13,31,52,.58);
  --surface-strong:rgba(15,36,60,.86);
  --text:#eaf4ff;
  --muted:#9bb0c9;
  --gold:#f5b642;
  --gold-soft:#ffd27a;
  --signal:#42e6c9;
  --coral:#ff6f8b;
  --line:rgba(126,180,255,.16);
  --line-gold:rgba(245,182,66,.48);
  --shadow:0 24px 70px rgba(0,0,0,.38);
  --shadow-sm:0 10px 30px rgba(0,0,0,.28);
  --radius-lg:22px;
  --radius:18px;
  --radius-sm:12px;
  --ease:200ms ease;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--bg-0);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(245,182,66,.16), transparent 62%),
    radial-gradient(760px 480px at 92% 8%, rgba(66,230,201,.10), transparent 60%),
    radial-gradient(900px 700px at 50% 108%, rgba(255,111,139,.08), transparent 64%),
    linear-gradient(180deg,#050a12 0%,#071222 46%,#050a12 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(rgba(126,180,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,180,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--gold-soft);}
h1,h2,h3,h4{font-weight:700;line-height:1.28;margin:0 0 .6em;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--gold);color:#12100a;padding:10px 18px;border-radius:0 0 12px 0;z-index:9999;}
.skip-link:focus{left:0;}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 22px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1040;
  height:76px;
  display:flex;
  align-items:center;
  background:rgba(6,14,26,.62);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,11,20,.92);
  box-shadow:0 14px 40px rgba(0,0,0,.45);
}
.nav-shell{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 22px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:8px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover,.nav-link:focus{color:var(--text);background:rgba(126,180,255,.07);}
.nav-link:hover::after,.nav-link:focus::after{transform:scaleX(1);}
.nav-link.active{color:var(--gold-soft);}
.nav-link.active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(245,182,66,.7);}
.brand{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  line-height:1.15;
  padding:6px 14px;
  border-radius:14px;
  transition:background var(--ease),box-shadow var(--ease);
}
.brand:hover{background:rgba(245,182,66,.08);}
.brand-main{
  font-size:19px;
  font-weight:700;
  letter-spacing:1.5px;
  background:linear-gradient(96deg,#fff 6%,var(--gold-soft) 52%,var(--gold) 96%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  white-space:nowrap;
}
.brand-sub{
  font-size:10.5px;
  letter-spacing:5px;
  color:var(--muted);
  text-indent:5px;
  margin-top:2px;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  margin-left:10px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:#171004;
  background:linear-gradient(120deg,var(--gold) 0%,var(--gold-soft) 100%);
  box-shadow:0 8px 24px rgba(245,182,66,.32);
  transition:transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.nav-cta:hover{color:#171004;transform:translateY(-2px);box-shadow:0 12px 30px rgba(245,182,66,.46);}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;height:46px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(126,180,255,.08);
  color:var(--text);
  font-size:18px;
}
.mobile-menu .offcanvas-body{padding:22px;}
.mobile-menu{background:rgba(6,14,26,.96);backdrop-filter:blur(20px);color:var(--text);border-right:1px solid var(--line);}
.mobile-menu .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.mobile-menu .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.menu-group{margin-bottom:22px;}
.menu-group h5{
  font-size:12px;
  letter-spacing:2px;
  color:var(--muted);
  font-weight:500;
  margin-bottom:10px;
  text-transform:none;
}
.menu-group a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 4px;
  font-size:15.5px;
  color:var(--text);
  border-bottom:1px solid rgba(126,180,255,.09);
}
.menu-group a i{color:var(--gold);font-size:12px;}
.menu-group a.active{color:var(--gold-soft);}
.menu-cta{
  display:flex;align-items:center;justify-content:center;
  min-height:50px;border-radius:999px;
  background:linear-gradient(120deg,var(--gold),var(--gold-soft));
  color:#171004;font-weight:700;
}

/* ============ 通用按钮 ============ */
.btn-gold,.btn-ghost,.btn-text{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:50px;
  padding:0 26px;
  border-radius:999px;
  font-weight:700;
  font-size:15.5px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-gold{
  color:#171004;
  background:linear-gradient(120deg,var(--gold) 0%,var(--gold-soft) 100%);
  box-shadow:0 14px 36px rgba(245,182,66,.30);
}
.btn-gold:hover{color:#171004;transform:translateY(-2px);box-shadow:0 18px 44px rgba(245,182,66,.48);}
.btn-ghost{
  color:var(--signal);
  background:rgba(66,230,201,.07);
  border-color:rgba(66,230,201,.42);
}
.btn-ghost:hover{color:#05261f;background:var(--signal);border-color:var(--signal);transform:translateY(-2px);}
.btn-text{
  min-height:44px;padding:0 4px;color:var(--gold-soft);background:none;border:none;font-weight:600;
}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover i{transform:translateX(4px);}

/* ============ 分类页 Banner ============ */
.page-hero{
  position:relative;
  padding:158px 0 84px;
  overflow:hidden;
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  filter:saturate(.85) brightness(.42);
  z-index:-2;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(680px 380px at 18% 22%, rgba(245,182,66,.22), transparent 66%),
    radial-gradient(560px 340px at 84% 82%, rgba(66,230,201,.14), transparent 66%),
    linear-gradient(180deg, rgba(5,10,18,.72) 0%, rgba(5,10,18,.88) 62%, var(--bg-0) 100%);
  z-index:-1;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  font-size:13px;
  letter-spacing:1px;
  color:var(--gold-soft);
  background:rgba(245,182,66,.10);
  border:1px solid var(--line-gold);
  margin-bottom:22px;
}
.hero-tag i{font-size:11px;}
.page-hero h1{
  font-size:clamp(32px,4.6vw,56px);
  letter-spacing:1px;
  margin-bottom:18px;
  max-width:14em;
}
.page-hero h1 .accent{
  background:linear-gradient(96deg,var(--gold-soft),var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  max-width:640px;
  color:#c6d7ea;
  font-size:17px;
  line-height:1.9;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:14px;
}
.metric{
  flex:1 1 180px;
  padding:16px 20px;
  border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(10px);
}
.metric strong{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  color:var(--gold-soft);
  letter-spacing:.5px;
  line-height:1.2;
}
.metric span{font-size:13.5px;color:var(--muted);}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--gold-soft);}
.crumb i{font-size:10px;opacity:.6;}
.crumb .current{color:var(--gold-soft);}

/* ============ 主体两栏 ============ */
.cat-body{padding:44px 0 0;}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm),inset 0 1px 0 rgba(255,255,255,.07);
  padding:30px;
  margin-bottom:26px;
}
.panel-solid{background:var(--surface-strong);}
.panel h2{
  font-size:clamp(24px,2.6vw,32px);
  margin-bottom:16px;
}
.panel h3{font-size:20px;margin-bottom:10px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:2px;color:var(--signal);
  margin-bottom:10px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--signal),transparent);
}
.lead-text{color:#c3d4e7;font-size:16.5px;line-height:1.92;}
.muted{color:var(--muted);}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center;}
.figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;filter:saturate(.92) brightness(.92);transition:transform 320ms ease;}
.figure:hover img{transform:scale(1.03);}
.figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 16px;
  font-size:12.5px;color:#d6e4f4;
  background:linear-gradient(180deg,transparent,rgba(4,10,18,.88));
}

/* 流程时间线 */
.flow{position:relative;margin-top:8px;}
.flow::before{
  content:"";position:absolute;left:17px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--line-gold),rgba(66,230,201,.30),transparent);
}
.flow-item{
  position:relative;padding:0 0 24px 56px;
}
.flow-item:last-child{padding-bottom:0;}
.flow-num{
  position:absolute;left:0;top:0;
  width:36px;height:36px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:700;
  color:#161002;
  background:linear-gradient(130deg,var(--gold),var(--gold-soft));
  box-shadow:0 8px 20px rgba(245,182,66,.30);
}
.flow-item h3{font-size:18px;margin-bottom:6px;}
.flow-item p{font-size:15px;color:#b9cbe0;margin:0;line-height:1.85;}

/* 清单 */
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 22px;margin-top:6px;}
.check-list li{
  position:relative;padding-left:30px;
  font-size:15px;color:#c9d9ea;line-height:1.75;
}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  box-shadow:0 0 0 3px rgba(245,182,66,.14);
}
.check-list li::after{
  content:"";
  position:absolute;left:4px;top:12px;
  width:6px;height:3px;
  border-left:2px solid #1a1204;border-bottom:2px solid #1a1204;
  transform:rotate(-45deg);
}

/* 选题方向卡（2+1 错位） */
.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.topic-card{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-strong);
  min-height:200px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:22px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.topic-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:brightness(.42) saturate(.9);
  z-index:0;
  transition:transform 320ms ease,filter 320ms ease;
}
.topic-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(5,12,22,.16) 0%,rgba(5,12,22,.90) 82%);
}
.topic-card>*{position:relative;z-index:2;}
.topic-card.wide{grid-column:1 / -1;min-height:236px;}
.topic-card h3{font-size:19px;margin-bottom:6px;}
.topic-card p{font-size:14.5px;color:#bccde1;margin:0;line-height:1.78;}
.topic-card:hover{transform:translateY(-4px);border-color:var(--line-gold);box-shadow:0 20px 46px rgba(0,0,0,.42);}
.topic-card:hover img{transform:scale(1.05);filter:brightness(.52) saturate(1);}
.chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.5px;
  color:var(--gold-soft);
  background:rgba(245,182,66,.13);
  border:1px solid rgba(245,182,66,.34);
  margin-bottom:10px;
  align-self:flex-start;
}
.chip.cyan{color:var(--signal);background:rgba(66,230,201,.10);border-color:rgba(66,230,201,.32);}

/* FAQ */
.acc .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.acc .accordion-item:last-child{border-bottom:0;}
.acc .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  padding:20px 40px 20px 0;
  box-shadow:none;
  border-radius:0;
}
.acc .accordion-button:not(.collapsed){
  color:var(--gold-soft);
  background:transparent;
  box-shadow:none;
}
.acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--signal);outline-offset:2px;}
.acc .accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--gold);
  width:auto;height:auto;
  transform:none;
  transition:transform var(--ease);
  position:absolute;right:6px;
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--signal);}
.acc .accordion-body{
  padding:0 0 22px;
  color:#bccde1;
  font-size:15.5px;
  line-height:1.88;
}

/* 侧栏 */
.side-card{
  background:var(--surface-strong);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  margin-bottom:22px;
  box-shadow:var(--shadow-sm),inset 0 1px 0 rgba(255,255,255,.06);
}
.side-card h3{font-size:16.5px;letter-spacing:.5px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--gold);font-size:14px;}
.side-links li{border-bottom:1px dashed rgba(126,180,255,.14);}
.side-links li:last-child{border-bottom:0;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;font-size:14.5px;color:#c6d7ea;
  transition:color var(--ease),padding-left var(--ease);
}
.side-links a:hover{color:var(--gold-soft);padding-left:6px;}
.side-links a i{font-size:11px;color:var(--muted);}
.side-cta{
  background:
    radial-gradient(320px 200px at 100% 0%, rgba(245,182,66,.20), transparent 68%),
    var(--surface-strong);
  border-color:var(--line-gold);
}
.side-cta p{font-size:14.5px;color:#bfd0e4;line-height:1.85;margin-bottom:18px;}
.side-cta .btn-gold{width:100%;min-height:48px;padding:0 16px;font-size:15px;}
.side-note{font-size:12.5px;color:var(--muted);margin-top:14px;margin-bottom:0;line-height:1.7;}

/* 相关推荐 */
.related{padding:76px 0 0;}
.section-head{max-width:660px;margin-bottom:34px;}
.section-head h2{font-size:clamp(26px,3vw,36px);margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-strong);
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  height:100%;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-gold);box-shadow:0 24px 54px rgba(0,0,0,.46);}
.rel-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;filter:brightness(.86) saturate(.95);transition:transform 320ms ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-body h3{font-size:18px;margin:0;}
.rel-body p{font-size:14.5px;color:#b9cbe0;margin:0;line-height:1.8;}
.rel-link{
  margin-top:auto;padding-top:12px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--gold-soft);
}
.rel-link i{transition:transform var(--ease);font-size:12px;}
.rel-card:hover .rel-link i{transform:translateX(5px);}

/* 结尾 CTA */
.cta-band{padding:78px 0 90px;}
.cta-inner{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  padding:52px 44px;
  border:1px solid var(--line-gold);
  background:
    radial-gradient(560px 320px at 88% 12%, rgba(245,182,66,.22), transparent 66%),
    radial-gradient(420px 280px at 6% 92%, rgba(66,230,201,.14), transparent 66%),
    var(--surface-strong);
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.cta-inner p{color:#bfd0e4;font-size:15.5px;margin:0;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* 页脚 */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,21,40,.7),rgba(4,9,16,.96));
  padding:64px 0 26px;
  margin-top:10px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(126,180,255,.12);
}
.footer-brand .brand{align-items:flex-start;padding:0;margin-bottom:16px;}
.footer-brand .brand-main{font-size:20px;}
.footer-brand .brand-sub{letter-spacing:4px;}
.footer-brand p{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:330px;margin:0;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#dbe9f8;letter-spacing:.5px;}
.footer-col li{margin-bottom:2px;}
.footer-col a{
  display:inline-flex;align-items:center;min-height:38px;
  font-size:14.5px;color:var(--muted);
}
.footer-col a:hover{color:var(--gold-soft);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:13px;color:#7f95ae;
}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:1030;
  display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:0 24px;
  border-radius:999px;
  font-weight:700;font-size:15px;color:#171004;
  background:linear-gradient(120deg,var(--gold),var(--gold-soft));
  box-shadow:0 18px 40px rgba(245,182,66,.36);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
}
.float-cta:hover{color:#171004;transform:translateY(-3px);}
body.is-scrolled .float-cta{opacity:1;transform:translateY(0);pointer-events:auto;}

/* 响应式 */
@media (max-width:1199px){
  .nav-link{padding:0 9px;font-size:13.5px;}
  .brand-main{font-size:17.5px;}
  .nav-cta{padding:0 16px;font-size:13.5px;}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none;}
  .nav-shell{grid-template-columns:1fr auto;gap:12px;}
  .nav-toggle{display:inline-flex;}
  .brand{align-items:flex-start;padding:4px 0;}
  .brand-sub{letter-spacing:3px;}
  .page-hero{padding:132px 0 66px;}
  .split{grid-template-columns:1fr;gap:22px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .check-list{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .panel{padding:22px;}
  .page-hero h1{font-size:clamp(28px,7.4vw,36px);}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%;}
  .metric{flex:1 1 100%;}
  .topic-grid{grid-template-columns:1fr;}
  .related{padding:56px 0 0;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding:56px 0 86px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;min-height:58px;
    padding:0 18px;
    opacity:1;transform:none;pointer-events:auto;
    box-shadow:0 -8px 26px rgba(0,0,0,.4);
  }
  body.is-scrolled .float-cta{transform:none;}
  .site-footer{padding-bottom:78px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:479px){
  .container-x,.nav-shell{padding:0 16px;}
  .panel{padding:18px;}
  .page-hero{padding:120px 0 56px;}
  .hero-tag{font-size:12px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg-0:#050a12;
  --bg-1:#081528;
  --bg-2:#0c1d34;
  --surface:rgba(13,31,52,.58);
  --surface-strong:rgba(15,36,60,.86);
  --text:#eaf4ff;
  --muted:#9bb0c9;
  --gold:#f5b642;
  --gold-soft:#ffd27a;
  --signal:#42e6c9;
  --coral:#ff6f8b;
  --line:rgba(126,180,255,.16);
  --line-gold:rgba(245,182,66,.48);
  --shadow:0 24px 70px rgba(0,0,0,.38);
  --shadow-sm:0 12px 32px rgba(0,0,0,.28);
  --radius:20px;
  --radius-sm:14px;
  --container:1240px;
  --ease:200ms ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 620px at 12% -6%, rgba(245,182,66,.12), transparent 62%),
    radial-gradient(760px 520px at 92% 4%, rgba(66,230,201,.08), transparent 66%),
    linear-gradient(180deg,#050a12 0%,#081528 45%,#050a12 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(126,180,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,180,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 28%,#000 0%,transparent 76%);
  mask-image:radial-gradient(circle at 50% 28%,#000 0%,transparent 76%);
}
a{color:inherit;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:8px;
  box-shadow:none;
}
::selection{background:rgba(245,182,66,.32);color:#fff;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,14,26,.74);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{background:rgba(5,11,21,.92);border-bottom-color:rgba(245,182,66,.24);}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:76px;
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:2px;flex:1 1 0;min-width:0;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 11px;
  border-radius:999px;
  font-size:14px;
  color:var(--muted);
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--gold-soft);background:rgba(245,182,66,.08);}
.nav-link.active{color:var(--gold);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  transform:translateX(-50%);
  width:16px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  box-shadow:0 0 12px rgba(245,182,66,.9);
}
.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  padding:0 16px;
  text-decoration:none;
  line-height:1.12;
}
.brand-main{
  font-size:19px;
  font-weight:700;
  letter-spacing:.06em;
  background:linear-gradient(100deg,#ffffff 6%,var(--gold-soft) 52%,var(--gold) 94%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:var(--gold-soft);
}
.brand-sub{
  font-size:11px;
  letter-spacing:.4em;
  color:var(--muted);
  margin-top:4px;
  padding-left:.4em;
}
.btn-gold{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:999px;
  border:1px solid rgba(255,210,122,.5);
  background:linear-gradient(135deg,#ffd27a,#f5b642 58%,#e2a021);
  color:#241a08;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  white-space:nowrap;
  box-shadow:0 10px 28px rgba(245,182,66,.26);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 16px 36px rgba(245,182,66,.4);filter:brightness(1.05);color:#241a08;}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(13,31,52,.6);
  color:var(--signal);
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  white-space:nowrap;
  transition:border-color var(--ease),color var(--ease),transform var(--ease),background var(--ease);
}
.btn-ghost:hover{border-color:var(--line-gold);color:var(--gold-soft);background:rgba(245,182,66,.08);transform:translateY(-1px);}
.nav-cta{margin-left:8px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(13,31,52,.7);
  padding:0;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:border-color var(--ease);
}
.menu-toggle:hover{border-color:var(--line-gold);}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--gold-soft);}

/* ---------- offcanvas ---------- */
.offcanvas.mobile-menu{
  width:min(88vw,380px);
  background:rgba(7,17,31,.97);
  -webkit-backdrop-filter:blur(22px);
  backdrop-filter:blur(22px);
  border-left:1px solid var(--line);
  color:var(--text);
}
.mobile-menu .offcanvas-header{
  border-bottom:1px solid var(--line);
  padding:18px 20px;
}
.mobile-menu .brand{align-items:flex-start;padding:0;}
.mobile-menu .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:4px;}
.menu-group-title{
  font-size:12px;
  letter-spacing:.22em;
  color:rgba(155,176,201,.7);
  margin:18px 0 8px;
}
.menu-group-title:first-child{margin-top:0;}
.menu-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 14px;
  border-radius:14px;
  border:1px solid transparent;
  color:var(--text);
  font-size:15px;
  text-decoration:none;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.menu-link::after{content:"›";color:rgba(155,176,201,.6);font-size:18px;line-height:1;}
.menu-link:hover,.menu-link:active{background:rgba(245,182,66,.1);border-color:var(--line-gold);color:var(--gold-soft);}
.mobile-menu .menu-cta{margin-top:22px;width:100%;}
.mobile-menu .btn-close{
  filter:invert(1) grayscale(1) brightness(1.6);
  opacity:.7;
  width:32px;height:32px;
}
.mobile-menu .btn-close:hover{opacity:1;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:52px 0 46px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.3;
  transform:scale(1.04);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(600px 320px at 14% 10%, rgba(245,182,66,.16), transparent 70%),
    linear-gradient(180deg,rgba(5,10,18,.7) 0%,rgba(5,10,18,.95) 100%);
}
.page-hero .container-x{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px;
}
.crumb a{color:var(--muted);text-decoration:none;transition:color var(--ease);}
.crumb a:hover{color:var(--gold-soft);}
.crumb .sep{color:rgba(155,176,201,.45);}
.crumb .now{color:rgba(234,244,255,.85);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  font-size:12.5px;
  letter-spacing:.04em;
  background:rgba(245,182,66,.12);
  border:1px solid var(--line-gold);
  color:var(--gold-soft);
  white-space:nowrap;
}
.pill-signal{
  background:rgba(66,230,201,.1);
  border-color:rgba(66,230,201,.42);
  color:var(--signal);
}
.article-title{
  font-size:clamp(27px,4vw,44px);
  line-height:1.32;
  font-weight:700;
  margin:16px 0 18px;
  max-width:920px;
  text-wrap:balance;
}
.article-lead{
  max-width:820px;
  color:var(--muted);
  font-size:16.5px;
  line-height:1.9;
  margin-bottom:24px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:13px;
  color:var(--muted);
}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:rgba(155,176,201,.45);}
.meta-row strong{color:var(--text);font-weight:600;}

/* ---------- article layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 300px;
  gap:56px;
  justify-content:center;
  align-items:start;
  padding:56px 0 76px;
}
.article-main{min-width:0;}
.article-body-card{
  background:linear-gradient(180deg,rgba(15,36,60,.78),rgba(9,24,42,.86));
  border:1px solid var(--line);
  border-radius:24px;
  padding:40px 44px;
  box-shadow:var(--shadow);
}
.rich-text{
  font-size:17px;
  line-height:1.95;
  color:#dbe8f7;
  word-break:break-word;
}
.rich-text > * + *{margin-top:1.15em;}
.rich-text h2{
  font-size:25px;
  line-height:1.45;
  color:#fff;
  margin-top:1.9em;
  padding-left:16px;
  position:relative;
}
.rich-text h2::before{
  content:"";
  position:absolute;
  left:0;top:.34em;bottom:.34em;
  width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--gold),var(--signal));
}
.rich-text h3{
  font-size:19.5px;
  line-height:1.55;
  color:#fff;
  margin-top:1.6em;
}
.rich-text h4{font-size:17px;color:var(--gold-soft);margin-top:1.4em;}
.rich-text p{color:#d5e3f4;}
.rich-text a{
  color:var(--signal);
  text-decoration:none;
  border-bottom:1px solid rgba(66,230,201,.4);
  transition:color var(--ease),border-color var(--ease);
}
.rich-text a:hover{color:var(--gold-soft);border-bottom-color:var(--line-gold);}
.rich-text ul,.rich-text ol{padding-left:1.35em;}
.rich-text li{margin:.5em 0;color:#d5e3f4;}
.rich-text ul li::marker{color:var(--gold);}
.rich-text ol li::marker{color:var(--signal);font-weight:700;}
.rich-text blockquote{
  margin:1.7em 0;
  padding:18px 22px;
  border-left:3px solid var(--gold);
  border-radius:0 16px 16px 0;
  background:rgba(245,182,66,.08);
  color:#e8f1fb;
  font-style:normal;
}
.rich-text blockquote p{margin:0;color:#e8f1fb;}
.rich-text img{
  max-width:100%;
  height:auto;
  border-radius:16px;
  border:1px solid var(--line);
  margin:1.7em auto;
  box-shadow:var(--shadow-sm);
}
.rich-text figure{margin:1.7em 0;}
.rich-text figcaption{
  text-align:center;
  font-size:13px;
  color:var(--muted);
  margin-top:10px;
}
.rich-text hr{
  border:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
  margin:2.2em 0;
}
.rich-text code{
  background:rgba(66,230,201,.12);
  color:var(--signal);
  padding:2px 7px;
  border-radius:6px;
  font-size:.92em;
}
.rich-text pre{
  background:rgba(3,9,17,.9);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 20px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.rich-text pre code{background:none;color:#cfe3f6;padding:0;}
.rich-text table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  display:block;
}
.rich-text th,.rich-text td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.rich-text th{background:rgba(245,182,66,.1);color:#fff;font-weight:600;white-space:nowrap;}
.rich-text tr:last-child td{border-bottom:0;}

.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed rgba(126,180,255,.28);
  border-radius:22px;
  background:rgba(13,31,52,.42);
}
.empty-state .empty-mark{
  width:54px;height:54px;
  margin:0 auto 18px;
  border-radius:16px;
  border:1px solid var(--line-gold);
  background:rgba(245,182,66,.1);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);
  font-size:22px;
}
.empty-state h2{font-size:22px;margin-bottom:12px;color:#fff;}
.empty-state p{color:var(--muted);font-size:15px;max-width:440px;margin:0 auto 24px;}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--surface-strong);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-sm);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.side-card h3{
  font-size:15px;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.side-links{list-style:none;padding:0;margin:0;}
.side-links li + li{margin-top:4px;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:6px 12px;
  border-radius:12px;
  font-size:14px;
  color:var(--muted);
  text-decoration:none;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.side-links a span{color:rgba(155,176,201,.5);transition:transform var(--ease),color var(--ease);}
.side-links a:hover{background:rgba(245,182,66,.09);color:var(--gold-soft);border-color:rgba(245,182,66,.28);}
.side-links a:hover span{transform:translateX(3px);color:var(--gold);}
.side-card-cta{
  background:
    radial-gradient(320px 200px at 100% 0%, rgba(245,182,66,.24), transparent 70%),
    linear-gradient(160deg,rgba(18,42,68,.96),rgba(9,22,38,.98));
  border-color:var(--line-gold);
}
.side-card-cta h3{border-bottom-color:rgba(245,182,66,.28);}
.side-card-cta p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:18px;}
.side-card-cta .btn-gold{width:100%;}
.side-meta{list-style:none;padding:0;margin:0;}
.side-meta li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  padding:9px 0;
  border-bottom:1px dashed rgba(126,180,255,.14);
  color:var(--muted);
}
.side-meta li:last-child{border-bottom:0;}
.side-meta li b{color:var(--text);font-weight:600;text-align:right;}

/* ---------- related ---------- */
.related{padding:0 0 72px;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.2em;
  color:var(--gold);
  margin-bottom:12px;
}
.section-eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),transparent);
}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.35;color:#fff;}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85;margin-top:12px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.rel-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface);
  overflow:hidden;
  text-decoration:none;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-gold);box-shadow:0 26px 60px rgba(0,0,0,.45);}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,.1) 1%,rgba(5,10,18,.78) 100%);
}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;line-height:1.5;color:#fff;}
.rel-body p{font-size:13.5px;line-height:1.8;color:var(--muted);}
.rel-more{
  margin-top:auto;
  font-size:13px;
  color:var(--gold-soft);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.rel-card:hover .rel-more{color:var(--gold);}
.rel-more::after{content:"→";transition:transform var(--ease);}
.rel-card:hover .rel-more::after{transform:translateX(4px);}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 88px;}
.cta-box{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  border:1px solid var(--line-gold);
  padding:52px;
  background:
    radial-gradient(560px 320px at 8% 0%, rgba(245,182,66,.22), transparent 68%),
    radial-gradient(520px 300px at 96% 100%, rgba(66,230,201,.14), transparent 70%),
    linear-gradient(150deg,rgba(16,38,62,.96),rgba(7,18,32,.98));
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-box h2{font-size:clamp(23px,2.8vw,32px);line-height:1.4;color:#fff;margin-bottom:14px;}
.cta-box p{color:var(--muted);font-size:15.5px;line-height:1.85;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-actions .btn-gold,.cta-actions .btn-ghost{min-height:48px;padding:13px 26px;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,21,40,.7),rgba(4,9,16,.98));
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{align-items:flex-start;padding:0;}
.footer-brand p{
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
  margin-top:16px;
  max-width:330px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.1em;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li + li{margin-top:10px;}
.footer-col a{
  color:var(--muted);
  font-size:14px;
  text-decoration:none;
  transition:color var(--ease);
}
.footer-col a:hover{color:var(--gold-soft);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 30px;
  font-size:13px;
  color:rgba(155,176,201,.78);
}

/* ---------- mobile sticky cta ---------- */
.mobile-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1025;
  display:none;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(5,11,21,.94);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  transform:translateY(105%);
  transition:transform 260ms ease;
}
.mobile-cta.show{transform:translateY(0);}
.mobile-cta .btn-gold{width:100%;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-link{font-size:13.5px;padding:10px 8px;}
  .brand-main{font-size:17.5px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px;}
}
@media (max-width:991.98px){
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;padding:0 20px;}
  .brand{align-items:flex-start;padding:0;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:30px;padding:44px 0 64px;}
  .article-side{position:static;}
  .article-body-card{padding:30px 28px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-box{grid-template-columns:1fr;padding:40px 32px;gap:26px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .mobile-cta{display:block;}
  .site-footer{padding-bottom:76px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container-x{padding:0 18px;}
  .page-hero{padding:38px 0 34px;}
  .article-title{font-size:clamp(24px,6.4vw,32px);}
  .article-lead{font-size:15px;}
  .article-body-card{padding:24px 20px;border-radius:20px;}
  .rich-text{font-size:16px;line-height:1.9;}
  .rich-text h2{font-size:21px;padding-left:14px;}
  .rich-text h3{font-size:18px;}
  .rich-text table{display:block;overflow-x:auto;white-space:nowrap;}
  .related-grid{grid-template-columns:1fr;}
  .cta-box{padding:32px 22px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:20px;}
  .section-title{font-size:23px;}
}
@media (max-width:479.98px){
  .container-x{padding:0 14px;}
  .header-inner{height:68px;padding:0 14px;}
  .brand-main{font-size:16px;}
  .brand-sub{font-size:10px;letter-spacing:.32em;}
  .meta-row{font-size:12.5px;gap:8px 12px;}
  .article-body-card{padding:20px 16px;}
  .cta-actions .btn-gold,.cta-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category3 */
:root{
  --bg-0:#050a12;
  --bg-1:#081528;
  --bg-2:#0c1d34;
  --surface:rgba(13,31,52,.58);
  --surface-strong:rgba(15,36,60,.9);
  --text:#eaf4ff;
  --muted:#9bb0c9;
  --gold:#f5b642;
  --gold-soft:#ffd27a;
  --signal:#42e6c9;
  --coral:#ff6f8b;
  --line:rgba(126,180,255,.16);
  --line-gold:rgba(245,182,66,.48);
  --shadow:0 24px 70px rgba(0,0,0,.38);
  --radius:20px;
  --radius-sm:14px;
  --radius-lg:26px;
  --pill:999px;
  --container:1240px;
  --ease:200ms ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:76px;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(245,182,66,.16), transparent 62%),
    radial-gradient(760px 480px at 92% 8%, rgba(66,230,201,.10), transparent 64%),
    radial-gradient(680px 520px at 50% 100%, rgba(255,111,139,.07), transparent 70%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 42%, var(--bg-0) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(0deg, rgba(126,180,255,.045) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(126,180,255,.045) 0 1px, transparent 1px 64px);
  mask-image:radial-gradient(circle at 50% 30%, #000 0%, transparent 82%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%, #000 0%, transparent 82%);
}
img{max-width:100%;display:block;}
a{color:var(--signal);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--gold-soft);}
p{margin:0 0 1rem;}
h1,h2,h3,h4,h5{margin:0 0 .6rem;font-weight:700;letter-spacing:.01em;line-height:1.3;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px;}
input,textarea,select{font-family:inherit;}

/* 容器 */
.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{
  padding:96px 0;
  position:relative;
  z-index:1;
}
.section-sm{padding:64px 0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--gold);
  text-transform:uppercase;
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:linear-gradient(90deg,var(--gold),transparent);
  border-radius:2px;
}
.section-title{font-size:36px;line-height:1.28;}
.section-desc{color:var(--muted);max-width:660px;font-size:16px;line-height:1.9;}
.text-gold{color:var(--gold-soft);}

/* 头部导航 */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:76px;
  z-index:1040;
  background:rgba(6,14,26,.62);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease), box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,11,20,.92);
  box-shadow:0 16px 40px rgba(0,0,0,.42);
}
.nav-shell{
  max-width:1360px;
  height:76px;
  margin:0 auto;
  padding:0 24px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.nav-left,.nav-right{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:14.5px;
  color:#c3d5e9;
  border-radius:var(--pill);
  white-space:nowrap;
  transition:color var(--ease), background var(--ease);
}
.nav-link:hover{color:var(--gold-soft);background:rgba(245,182,66,.08);}
.nav-link.active{color:var(--gold-soft);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:6px;
  width:18px;height:2px;
  transform:translateX(-50%);
  background:var(--gold);
  border-radius:2px;
  box-shadow:0 0 12px rgba(245,182,66,.9);
}
.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  line-height:1.05;
  padding:6px 18px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:border-color var(--ease), background var(--ease);
}
.brand:hover{border-color:var(--line-gold);background:rgba(245,182,66,.06);}
.brand-main{
  font-size:19px;
  font-weight:700;
  letter-spacing:.08em;
  color:#fff;
  text-shadow:0 0 22px rgba(245,182,66,.35);
}
.brand-sub{
  font-size:11px;
  letter-spacing:.42em;
  color:var(--gold);
  margin-top:4px;
  padding-left:.42em;
}
.nav-cta{
  margin-left:10px;
  padding:11px 22px;
  font-size:14px;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  font-size:18px;
}

/* 移动菜单 */
.mobile-menu{
  position:fixed;
  inset:76px 0 0 0;
  z-index:1035;
  background:rgba(5,11,20,.97);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  padding:26px 22px 110px;
  overflow-y:auto;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease), transform var(--ease), visibility var(--ease);
}
.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-group{margin-bottom:22px;}
.mobile-group h5{
  font-size:12px;
  letter-spacing:.2em;
  color:var(--muted);
  font-weight:500;
  margin-bottom:10px;
}
.mobile-menu a.m-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  color:#dbe9f8;
  font-size:16px;
  border:1px solid transparent;
}
.mobile-menu a.m-link:hover,
.mobile-menu a.m-link.active{
  background:rgba(245,182,66,.1);
  border-color:var(--line-gold);
  color:var(--gold-soft);
}
.mobile-cta{
  display:block;
  text-align:center;
  margin-top:8px;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:13px 28px;
  border-radius:var(--pill);
  font-size:15.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  color:#151006;
  box-shadow:0 12px 34px rgba(245,182,66,.32);
}
.btn-primary:hover{
  transform:translateY(-2px);
  color:#151006;
  box-shadow:0 18px 42px rgba(245,182,66,.44);
}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:rgba(66,230,201,.4);
  color:var(--signal);
}
.btn-ghost:hover{
  background:rgba(66,230,201,.12);
  border-color:var(--signal);
  color:#b6fff2;
  transform:translateY(-2px);
}
.btn-sm{min-height:44px;padding:10px 22px;font-size:14px;}
.btn-block{width:100%;}

/* 面包屑 */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:22px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--gold-soft);}
.crumb i{font-size:10px;opacity:.6;}

/* Hero */
.cat-hero{
  position:relative;
  padding:70px 0 78px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.30;
  filter:saturate(.85);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(720px 420px at 18% 20%, rgba(245,182,66,.20), transparent 66%),
    linear-gradient(180deg, rgba(5,10,18,.72), rgba(5,10,18,.94));
}
.cat-hero .container-x{position:relative;z-index:2;}
.cat-hero h1{
  font-size:54px;
  line-height:1.2;
  margin-bottom:18px;
  letter-spacing:-.01em;
}
.cat-hero h1 .hl{
  color:var(--gold-soft);
  text-shadow:0 0 34px rgba(245,182,66,.36);
}
.cat-hero .lead{
  font-size:17.5px;
  color:#c0d2e6;
  max-width:720px;
  line-height:1.95;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  font-size:13px;
  color:var(--signal);
  background:rgba(66,230,201,.09);
  border:1px solid rgba(66,230,201,.28);
  border-radius:var(--pill);
  line-height:1.4;
}
.tag.gold{
  color:var(--gold-soft);
  background:rgba(245,182,66,.1);
  border-color:var(--line-gold);
}
.tag.coral{
  color:#ffb3c2;
  background:rgba(255,111,139,.1);
  border-color:rgba(255,111,139,.32);
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:34px;
  max-width:640px;
}
.hero-stat{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:16px 18px;
  backdrop-filter:blur(10px);
}
.hero-stat b{
  display:block;
  font-size:26px;
  font-weight:700;
  color:var(--gold-soft);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.hero-stat span{font-size:13px;color:var(--muted);}

/* 两栏内页布局 */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:32px;
  align-items:start;
}
.main-col{min-width:0;}
.side-col{
  position:sticky;
  top:100px;
  display:grid;
  gap:20px;
}

/* 卡片 */
.card-g{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  padding:30px;
  transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
  position:relative;
  overflow:hidden;
}
.card-g::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
}
.card-g:hover{
  transform:translateY(-3px);
  border-color:var(--line-gold);
  box-shadow:0 28px 60px rgba(0,0,0,.46), 0 0 0 1px rgba(245,182,66,.18);
}
.card-strong{background:var(--surface-strong);}
.card-g h2{font-size:30px;margin-bottom:14px;}
.card-g h3{font-size:20px;}
.card-g p{color:var(--muted);font-size:15.5px;line-height:1.9;}
.card-g p:last-child{margin-bottom:0;}

/* 角色谱系卡 */
.cast-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.cast-card{
  background:var(--surface-strong);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.cast-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-gold);
  box-shadow:0 22px 48px rgba(0,0,0,.46);
}
.cast-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-2);
}
.cast-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 420ms ease;
}
.cast-card:hover .cast-media img{transform:scale(1.05);}
.cast-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,.06),rgba(5,10,18,.82));
}
.cast-badge{
  position:absolute;
  left:14px;bottom:12px;
  z-index:2;
  font-size:12px;
  padding:5px 12px;
  border-radius:var(--pill);
  background:rgba(245,182,66,.16);
  border:1px solid var(--line-gold);
  color:var(--gold-soft);
  letter-spacing:.04em;
}
.cast-body{padding:20px 22px 22px;}
.cast-body h3{font-size:19px;margin-bottom:6px;}
.cast-role{
  font-size:13px;
  color:var(--signal);
  margin-bottom:10px;
  letter-spacing:.04em;
}
.cast-body p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0;}
.cast-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.chip{
  font-size:12px;
  color:#a9c0d8;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:var(--pill);
  padding:4px 11px;
}

/* 流程步骤 */
.steps{
  display:grid;
  gap:16px;
  counter-reset:step;
}
.step-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:18px;
  align-items:start;
  padding:20px 22px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(8,21,40,.62);
  transition:border-color var(--ease), background var(--ease), transform var(--ease);
}
.step-item:hover{
  border-color:var(--line-gold);
  background:rgba(15,36,60,.78);
  transform:translateY(-2px);
}
.step-num{
  width:56px;height:56px;
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;
  font-size:19px;
  font-weight:700;
  color:var(--gold-soft);
  background:linear-gradient(135deg,rgba(245,182,66,.2),rgba(245,182,66,.05));
  border:1px solid var(--line-gold);
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;margin-bottom:6px;}
.step-item p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0;}

/* 名单列表 */
.list-check{display:grid;gap:12px;}
.list-check li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:#c8d8ea;
  line-height:1.8;
}
.list-check li i{
  color:var(--signal);
  font-size:13px;
  margin-top:7px;
  flex:0 0 auto;
}
.list-check li b{color:#fff;font-weight:600;}

/* 场景 2+1 */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.scene-card{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface);
  padding:26px 24px;
  transition:transform var(--ease), border-color var(--ease);
}
.scene-card:hover{transform:translateY(-3px);border-color:var(--line-gold);}
.scene-card.span-2{grid-column:span 2;}
.scene-card .ico{
  width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border-radius:13px;
  margin-bottom:16px;
  font-size:18px;
  color:var(--gold-soft);
  background:rgba(245,182,66,.12);
  border:1px solid var(--line-gold);
}
.scene-card h3{font-size:18px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0;}

/* 侧栏 */
.side-card{
  background:var(--surface-strong);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
}
.side-card h4{
  font-size:16px;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:9px;
}
.side-card h4 i{color:var(--gold);font-size:14px;}
.side-links{display:grid;gap:2px;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:8px 12px;
  border-radius:10px;
  font-size:14.5px;
  color:#c3d5e9;
  transition:background var(--ease), color var(--ease), padding-left var(--ease);
}
.side-links a:hover{
  background:rgba(245,182,66,.09);
  color:var(--gold-soft);
  padding-left:16px;
}
.side-links a i{font-size:11px;opacity:.7;}
.side-cta p{font-size:14px;color:var(--muted);line-height:1.85;}
.side-cta .btn{margin-top:6px;}

/* FAQ */
.faq-wrap{
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.faq-head{position:sticky;top:100px;}
.faq-head h2{font-size:32px;}
.faq-head p{color:var(--muted);font-size:15px;line-height:1.9;}
.accordion-item{
  background:rgba(10,24,44,.72) !important;
  border:1px solid var(--line) !important;
  border-radius:var(--radius-sm) !important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--ease), box-shadow var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--line-gold) !important;
  box-shadow:0 0 0 1px rgba(245,182,66,.16), 0 16px 40px rgba(0,0,0,.34);
}
.accordion-button{
  background:transparent !important;
  color:var(--text) !important;
  font-size:16.5px;
  font-weight:600;
  padding:20px 22px;
  box-shadow:none !important;
  line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--gold-soft) !important;}
.accordion-button::after{
  filter:none;
  width:14px;height:14px;
  background-size:14px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f5b642'%3E%3Cpath d='M8 1.5v13M1.5 8h13' stroke='%23f5b642' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  transition:transform var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{
  padding:0 22px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}

/* CTA 表单区 */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-gold);
  background:
    radial-gradient(560px 340px at 88% 0%, rgba(245,182,66,.18), transparent 66%),
    linear-gradient(150deg, rgba(15,36,60,.96), rgba(6,14,26,.96));
  padding:46px;
  box-shadow:var(--shadow);
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-60px;
  width:240px;height:240px;
  border-radius:50%;
  border:1px dashed rgba(245,182,66,.28);
  pointer-events:none;
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:#b6c9dd;letter-spacing:.03em;}
.field input,.field select,.field textarea{
  width:100%;
  background:rgba(5,13,24,.78);
  border:1px solid var(--line);
  border-radius:12px;
  padding:13px 15px;
  color:var(--text);
  font-size:15px;
  min-height:48px;
  transition:border-color var(--ease), box-shadow var(--ease), background var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:#6e8399;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--gold);
  background:rgba(8,21,40,.94);
  box-shadow:0 0 0 3px rgba(245,182,66,.16);
}
.field select option{background:#081528;color:var(--text);}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.75;
}
.check-line input{width:18px;height:18px;min-height:18px;margin-top:4px;accent-color:var(--gold);}
.form-note{font-size:12.5px;color:#7f95ac;margin-top:4px;}

/* 相关推荐 */
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.rel-card{
  display:block;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface);
  overflow:hidden;
  transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.rel-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-gold);
  box-shadow:0 22px 46px rgba(0,0,0,.42);
}
.rel-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  filter:brightness(.86) saturate(1.02);
}
.rel-card .rel-body{padding:18px 20px 20px;}
.rel-card h3{font-size:17px;color:#fff;margin-bottom:8px;}
.rel-card p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}
.rel-card .rel-more{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:12px;
  font-size:13px;
  color:var(--gold-soft);
}

/* 返回条 */
.back-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 26px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(8,21,40,.7);
}
.back-bar span{color:var(--muted);font-size:14.5px;}

/* 页脚 */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:40px;
  border-top:1px solid var(--line);
  background:rgba(4,9,16,.86);
  padding:60px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand{align-items:flex-start;padding:0;border:0;margin-bottom:14px;}
.footer-brand .brand-main{font-size:20px;}
.footer-brand .brand-sub{letter-spacing:.36em;}
.footer-brand p{
  font-size:14px;
  color:var(--muted);
  line-height:1.9;
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.06em;
}
.footer-col ul{display:grid;gap:2px;}
.footer-col a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  font-size:14px;
  color:var(--muted);
}
.footer-col a:hover{color:var(--gold-soft);}
.footer-bottom{
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:#7f95ac;
}

/* 浮动 CTA */
.float-cta{
  position:fixed;
  right:24px;bottom:24px;
  z-index:1030;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:14px 22px;
  border-radius:var(--pill);
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  color:#151006;
  font-weight:700;
  font-size:14.5px;
  box-shadow:0 16px 40px rgba(245,182,66,.36);
  transform:translateY(120%);
  opacity:0;
  transition:transform 240ms ease, opacity 240ms ease, box-shadow var(--ease);
}
.float-cta.show{transform:translateY(0);opacity:1;}
.float-cta:hover{color:#151006;box-shadow:0 22px 50px rgba(245,182,66,.5);}

/* 响应式 */
@media (max-width:1199px){
  .nav-link{font-size:13.5px;padding:0 9px;}
  .brand-main{font-size:17px;}
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px;}
  .cat-hero h1{font-size:46px;}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none;}
  .nav-shell{grid-template-columns:44px 1fr 44px;}
  .nav-toggle{display:inline-flex;justify-self:start;}
  .brand{justify-self:center;}
  .site-header{background:rgba(5,11,20,.94);}
  .section{padding:72px 0;}
  .layout{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:22px;}
  .faq-head{position:static;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-card.span-2{grid-column:span 2;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cat-hero h1{font-size:38px;}
  .cta-panel{padding:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  body{padding-top:68px;}
  .site-header,.nav-shell{height:68px;}
  .mobile-menu{top:68px;}
  .section{padding:56px 0;}
  .cat-hero{padding:46px 0 54px;}
  .cat-hero h1{font-size:31px;}
  .cat-hero .lead{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .hero-stat{padding:12px 12px;}
  .hero-stat b{font-size:20px;}
  .hero-stat span{font-size:11.5px;}
  .cast-grid{grid-template-columns:minmax(0,1fr);}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .scene-card.span-2{grid-column:span 1;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .side-col{grid-template-columns:minmax(0,1fr);}
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .section-title{font-size:27px;}
  .card-g{padding:22px;}
  .card-g h2{font-size:24px;}
  .step-item{grid-template-columns:44px minmax(0,1fr);padding:16px;gap:14px;}
  .step-num{width:44px;height:44px;border-radius:12px;font-size:16px;}
  .cta-panel{padding:24px;border-radius:20px;}
  .faq-head h2{font-size:25px;}
  .accordion-button{font-size:15.5px;padding:16px 18px;}
  .accordion-body{padding:0 18px 18px;font-size:14.5px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-bottom{flex-direction:column;}
  .float-cta{
    left:16px;right:16px;bottom:14px;
    justify-content:center;
    border-radius:14px;
    transform:translateY(140%);
  }
  .back-bar{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .container-x{padding:0 16px;}
  .cat-hero h1{font-size:27px;}
  .hero-stats{grid-template-columns:minmax(0,1fr);}
  .brand-main{font-size:15.5px;}
  .brand-sub{font-size:10px;letter-spacing:.3em;padding-left:.3em;}
  .btn{padding:12px 20px;font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root {
      --bg-0: #050a12;
      --bg-1: #081528;
      --bg-2: #0c1d34;
      --surface: rgba(13, 31, 52, .58);
      --surface-strong: rgba(15, 36, 60, .88);
      --text: #eaf4ff;
      --muted: #9bb0c9;
      --gold: #f5b642;
      --gold-soft: #ffd27a;
      --signal: #42e6c9;
      --coral: #ff6f8b;
      --line: rgba(126, 180, 255, .16);
      --line-gold: rgba(245, 182, 66, .48);
      --shadow: 0 24px 70px rgba(0, 0, 0, .38);
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --ease: 200ms ease;
    }

    * { box-sizing: border-box; }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
      font-size: 16px;
      line-height: 1.78;
      background:
        radial-gradient(900px 620px at 8% -6%, rgba(245, 182, 66, .14), transparent 62%),
        radial-gradient(780px 520px at 96% 4%, rgba(66, 230, 201, .09), transparent 58%),
        linear-gradient(180deg, #050a12 0%, #081528 46%, #050a12 100%);
      background-attachment: fixed;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background-image:
        repeating-linear-gradient(0deg, rgba(126, 180, 255, .035) 0 1px, transparent 1px 56px),
        repeating-linear-gradient(90deg, rgba(126, 180, 255, .028) 0 1px, transparent 1px 56px);
      mask-image: radial-gradient(circle at 50% 0, #000 0%, transparent 82%);
    }

    header,
    main,
    footer,
    .float-cta,
    .offcanvas {
      position: relative;
      z-index: 1;
    }

    a {
      color: var(--gold-soft);
      text-decoration: none;
      transition: color var(--ease), background-color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    a:hover { color: var(--gold); }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    h1, h2, h3, h4, h5, p {
      margin-top: 0;
    }

    h1, h2, h3, h4 {
      font-weight: 700;
      letter-spacing: -.01em;
      line-height: 1.26;
    }

    p { color: #b9cbe0; }

    ul { margin-top: 0; }

    :focus-visible {
      outline: 2px solid var(--signal);
      outline-offset: 3px;
      border-radius: 4px;
    }

    .skip-link {
      position: absolute;
      left: 20px;
      top: -80px;
      z-index: 3000;
      padding: 10px 18px;
      border-radius: 999px;
      background: var(--gold);
      color: #171005;
      font-weight: 700;
      transition: top var(--ease);
    }

    .skip-link:focus { top: 16px; }

    .container-x {
      width: min(1240px, calc(100% - 48px));
      margin-inline: auto;
    }

    section[id],
    div[id="contact"],
    div[id="price"],
    div[id="faq"],
    div[id="process"],
    div[id="latest"] {
      scroll-margin-top: 100px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(5, 10, 18, .72);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      transition: background-color var(--ease), box-shadow var(--ease);
    }

    .site-header.is-scrolled {
      background: rgba(5, 10, 18, .94);
      box-shadow: 0 12px 36px rgba(0, 0, 0, .32);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-left,
    .nav-right {
      display: flex;
      align-items: center;
      flex: 1;
      min-width: 0;
      gap: 18px;
    }

    .nav-left { justify-content: flex-end; }
    .nav-right { justify-content: flex-start; }

    .brand {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      margin: 0 26px;
      color: var(--text);
      line-height: 1.08;
      text-decoration: none;
      min-width: 130px;
    }

    .brand:hover { color: var(--text); }

    .brand-main {
      font-size: 19px;
      font-weight: 700;
      letter-spacing: .02em;
      white-space: nowrap;
    }

    .brand-sub {
      margin-top: 4px;
      color: var(--gold);
      font-size: 11px;
      font-weight: 600;
      letter-spacing: .38em;
      text-indent: .38em;
      white-space: nowrap;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      padding: 8px 0;
      color: #c6d6ea;
      font-size: 14px;
      line-height: 1.2;
      white-space: nowrap;
      text-decoration: none;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 2px;
      width: 0;
      height: 2px;
      border-radius: 999px;
      background: var(--gold);
      transform: translateX(-50%);
      transition: width var(--ease), box-shadow var(--ease);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--gold-soft);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      width: 18px;
      box-shadow: 0 0 12px rgba(245, 182, 66, .75);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 18px;
      border: 1px solid rgba(255, 210, 122, .58);
      border-radius: 999px;
      background: linear-gradient(135deg, #ffd27a, #f5b642 58%, #e79a1f);
      color: #1b1205;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
      text-decoration: none;
      box-shadow: 0 8px 24px rgba(245, 182, 66, .24);
    }

    .nav-cta:hover {
      color: #130d03;
      transform: translateY(-1px);
      box-shadow: 0 12px 30px rgba(245, 182, 66, .34);
    }

    .mobile-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(13, 31, 52, .72);
      color: var(--text);
      cursor: pointer;
    }

    .mobile-toggle:hover {
      border-color: var(--line-gold);
      color: var(--gold);
    }

    /* 移动端菜单 */
    .offcanvas {
      background: rgba(8, 21, 40, .98);
      color: var(--text);
      border-left: 1px solid var(--line-gold);
      backdrop-filter: blur(24px);
    }

    .offcanvas-header {
      padding: 20px 22px;
      border-bottom: 1px solid var(--line);
    }

    .offcanvas-title {
      font-size: 17px;
      color: var(--text);
    }

    .offcanvas-body {
      padding: 22px;
    }

    .menu-group-title {
      margin: 18px 0 8px;
      color: var(--muted);
      font-size: 12px;
      letter-spacing: .14em;
    }

    .offcanvas .nav-link {
      display: flex;
      width: 100%;
      min-height: 46px;
      padding: 12px 4px;
      border-bottom: 1px solid rgba(126, 180, 255, .1);
      font-size: 16px;
    }

    .offcanvas .nav-link::after { display: none; }

    .offcanvas .nav-link.active {
      color: var(--gold);
      padding-left: 10px;
      border-left: 2px solid var(--gold);
    }

    .offcanvas .nav-cta {
      width: 100%;
      margin-top: 22px;
      min-height: 48px;
    }

    /* 内页首屏 */
    .page-hero {
      position: relative;
      overflow: hidden;
      padding: 68px 0 62px;
      border-bottom: 1px solid var(--line);
      background-image:
        linear-gradient(90deg, rgba(5, 10, 18, .95) 0%, rgba(5, 10, 18, .78) 52%, rgba(5, 10, 18, .92) 100%),
        url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      width: 620px;
      height: 620px;
      right: -140px;
      top: -260px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(245, 182, 66, .2), transparent 68%);
      pointer-events: none;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(245, 182, 66, .45), transparent);
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      max-width: 920px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin: 0 0 22px;
      padding: 0;
      list-style: none;
      color: var(--muted);
      font-size: 13px;
      background: transparent;
    }

    .breadcrumb li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .breadcrumb li + li::before {
      content: "/";
      color: rgba(155, 176, 201, .55);
    }

    .breadcrumb a {
      color: #b7c9dd;
      text-decoration: none;
    }

    .breadcrumb a:hover { color: var(--gold); }

    .breadcrumb .current {
      color: var(--gold-soft);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--gold);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .18em;
    }

    .eyebrow::before {
      content: "";
      width: 26px;
      height: 2px;
      border-radius: 999px;
      background: var(--gold);
      box-shadow: 0 0 12px rgba(245, 182, 66, .6);
    }

    .hero-title {
      margin: 18px 0 20px;
      font-size: clamp(34px, 4.7vw, 58px);
      line-height: 1.16;
      letter-spacing: -.02em;
    }

    .hero-title .accent {
      color: var(--gold-soft);
      text-shadow: 0 0 36px rgba(245, 182, 66, .22);
    }

    .hero-lead {
      max-width: 790px;
      margin-bottom: 0;
      color: #c4d5e8;
      font-size: 17px;
      line-height: 1.9;
    }

    .hero-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 26px 0 30px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(13, 31, 52, .58);
      color: #cfe0f2;
      font-size: 13px;
      line-height: 1.4;
    }

    .chip::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--signal);
      box-shadow: 0 0 10px rgba(66, 230, 201, .7);
    }

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn-gold,
    .btn-ghost,
    .btn-text {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 24px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
      text-decoration: none;
      transition: transform var(--ease), box-shadow var(--ease), background-color var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn-gold {
      border: 1px solid rgba(255, 210, 122, .62);
      background: linear-gradient(135deg, #ffd27a, #f5b642 58%, #e79a1f);
      color: #1b1205;
      box-shadow: 0 12px 30px rgba(245, 182, 66, .26);
    }

    .btn-gold:hover {
      color: #130d03;
      transform: translateY(-2px);
      box-shadow: 0 16px 38px rgba(245, 182, 66, .38);
    }

    .btn-ghost {
      border: 1px solid rgba(66, 230, 201, .42);
      background: rgba(13, 31, 52, .62);
      color: var(--signal);
    }

    .btn-ghost:hover {
      color: #8ffff0;
      border-color: rgba(66, 230, 201, .78);
      background: rgba(66, 230, 201, .1);
      transform: translateY(-2px);
    }

    .btn-text {
      min-height: 44px;
      padding: 0;
      border: 0;
      border-radius: 0;
      background: transparent;
      color: var(--gold-soft);
    }

    .btn-text::after {
      content: "";
      display: inline-block;
      width: 18px;
      height: 1px;
      background: currentColor;
      transition: width var(--ease);
    }

    .btn-text:hover::after { width: 28px; }

    /* 板块通用 */
    .section {
      padding: 88px 0;
      position: relative;
    }

    .section-tight { padding-top: 56px; }

    .section-head {
      max-width: 720px;
      margin-bottom: 38px;
    }

    .section-title {
      margin: 12px 0 14px;
      font-size: clamp(28px, 3.1vw, 40px);
      line-height: 1.24;
    }

    .section-lead {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.88;
    }

    .content-block {
      margin-bottom: 62px;
    }

    .content-block:last-child { margin-bottom: 0; }

    .glass-card {
      position: relative;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(15, 36, 60, .72), rgba(9, 24, 44, .72));
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .06);
    }

    /* 对比卡 */
    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 26px;
    }

    .compare-card {
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(13, 31, 52, .54);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .compare-card.is-highlight {
      border-color: var(--line-gold);
      background: linear-gradient(180deg, rgba(245, 182, 66, .1), rgba(13, 31, 52, .7));
      box-shadow: 0 18px 48px rgba(245, 182, 66, .1);
    }

    .compare-card:hover {
      transform: translateY(-3px);
      border-color: var(--line-gold);
    }

    .compare-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
    }

    .compare-card .tag {
      display: inline-block;
      margin-bottom: 14px;
      color: var(--muted);
      font-size: 12px;
      letter-spacing: .1em;
    }

    .compare-card.is-highlight .tag { color: var(--gold); }

    .compare-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .compare-list li {
      position: relative;
      padding-left: 24px;
      color: #bfd0e2;
      font-size: 14.5px;
      line-height: 1.75;
    }

    .compare-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .62em;
      width: 10px;
      height: 10px;
      border: 1px solid rgba(155, 176, 201, .6);
      border-radius: 3px;
    }

    .compare-card.is-highlight .compare-list li::before {
      border-color: var(--gold);
      background: rgba(245, 182, 66, .4);
      box-shadow: 0 0 10px rgba(245, 182, 66, .35);
    }

    /* 场景卡 2+1 */
    .scene-grid {
      display: grid;
      grid-template-columns: 1.35fr 1fr;
      grid-template-rows: auto auto;
      gap: 24px;
      margin-top: 8px;
    }

    .scene-card {
      position: relative;
      isolation: isolate;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      min-height: 210px;
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(13, 31, 52, .7);
      box-shadow: var(--shadow);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .scene-card::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -2;
      background-image: var(--scene-img);
      background-size: cover;
      background-position: center;
      opacity: .42;
      transform: scale(1.01);
      transition: transform 500ms ease, opacity var(--ease);
    }

    .scene-card::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background:
        linear-gradient(180deg, rgba(5, 10, 18, .2), rgba(5, 10, 18, .92) 78%),
        radial-gradient(340px 180px at 85% 10%, rgba(245, 182, 66, .22), transparent 70%);
    }

    .scene-card.large {
      grid-row: span 2;
      min-height: 444px;
      padding: 34px;
    }

    .scene-card:hover {
      transform: translateY(-4px);
      border-color: var(--line-gold);
      box-shadow: 0 26px 68px rgba(0, 0, 0, .46);
    }

    .scene-card:hover::before {
      transform: scale(1.045);
      opacity: .5;
    }

    .scene-card .tag {
      align-self: flex-start;
      display: inline-flex;
      margin-bottom: 14px;
      padding: 5px 11px;
      border: 1px solid rgba(66, 230, 201, .35);
      border-radius: 999px;
      background: rgba(5, 10, 18, .55);
      color: var(--signal);
      font-size: 12px;
      line-height: 1.3;
    }

    .scene-card h3 {
      margin: 0 0 10px;
      font-size: 22px;
    }

    .scene-card.large h3 { font-size: 28px; }

    .scene-card p {
      margin: 0;
      max-width: 520px;
      color: #c5d6e8;
      font-size: 15px;
      line-height: 1.78;
    }

    /* 流程时间线 */
    .timeline {
      margin-top: 10px;
    }

    .timeline-item {
      position: relative;
      padding: 0 0 30px 68px;
    }

    .timeline-item:last-child { padding-bottom: 0; }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: 21px;
      top: 46px;
      bottom: 0;
      width: 1px;
      background: linear-gradient(180deg, rgba(245, 182, 66, .5), rgba(126, 180, 255, .08));
    }

    .timeline-item:last-child::before { display: none; }

    .step-num {
      position: absolute;
      left: 0;
      top: 0;
      display: grid;
      place-items: center;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line-gold);
      border-radius: 50%;
      background: rgba(245, 182, 66, .1);
      color: var(--gold);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .04em;
      box-shadow: 0 0 24px rgba(245, 182, 66, .12);
    }

    .timeline-item h3 {
      margin: 2px 0 7px;
      font-size: 19px;
    }

    .timeline-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.82;
    }

    /* 交付清单 */
    .deliver-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 28px;
      align-items: start;
    }

    .deliver-list {
      display: grid;
      gap: 11px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .deliver-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 13px 15px;
      border: 1px solid var(--line);
      border-radius: 13px;
      background: rgba(13, 31, 52, .5);
      color: #c7d8ea;
      font-size: 15px;
      line-height: 1.65;
    }

    .check-icon {
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      width: 20px;
      height: 20px;
      margin-top: 2px;
      border: 1px solid rgba(245, 182, 66, .5);
      border-radius: 6px;
      background: rgba(245, 182, 66, .12);
      color: var(--gold);
      font-size: 12px;
      font-weight: 700;
    }

    .data-strip {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .data-item {
      padding: 22px 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: linear-gradient(180deg, rgba(15, 36, 60, .8), rgba(8, 21, 40, .7));
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05);
    }

    .data-num {
      display: block;
      margin-bottom: 4px;
      color: var(--gold);
      font-size: 32px;
      font-weight: 700;
      line-height: 1.1;
      letter-spacing: -.02em;
    }

    .data-num small {
      margin-left: 3px;
      color: var(--gold-soft);
      font-size: 14px;
      font-weight: 600;
    }

    .data-label {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }

    /* 价格档位 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
      align-items: stretch;
      margin-top: 12px;
    }

    .price-card {
      position: relative;
      display: flex;
      flex-direction: column;
      padding: 30px 26px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(15, 36, 60, .76), rgba(8, 21, 40, .72));
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .06);
      transition: transform var(--ease), border-color var(--ease);
    }

    .price-card:hover {
      transform: translateY(-4px);
      border-color: var(--line-gold);
    }

    .price-card.featured {
      border-color: var(--line-gold);
      background: linear-gradient(180deg, rgba(245, 182, 66, .14), rgba(13, 31, 52, .82));
      box-shadow: 0 24px 70px rgba(245, 182, 66, .13), inset 0 1px 0 rgba(255, 255, 255, .08);
      transform: translateY(-8px);
    }

    .price-card.featured:hover { transform: translateY(-12px); }

    .price-badge {
      position: absolute;
      top: 18px;
      right: 18px;
      padding: 4px 10px;
      border-radius: 999px;
      background: linear-gradient(135deg, #ffd27a, #f5b642);
      color: #1b1205;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: .04em;
    }

    .price-name {
      margin: 0 0 5px;
      font-size: 18px;
    }

    .price-note {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .price-value {
      margin: 18px 0 2px;
      color: var(--gold-soft);
      font-size: 32px;
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: -.02em;
    }

    .price-unit {
      color: var(--muted);
      font-size: 13px;
    }

    .price-list {
      display: grid;
      gap: 10px;
      margin: 20px 0 26px;
      padding: 0;
      list-style: none;
    }

    .price-list li {
      position: relative;
      padding-left: 18px;
      color: #c3d4e6;
      font-size: 14px;
      line-height: 1.65;
    }

    .price-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .56em;
      width: 7px;
      height: 7px;
      border-radius: 2px;
      background: var(--gold);
      box-shadow: 0 0 8px rgba(245, 182, 66, .58);
    }

    .price-card .btn-gold,
    .price-card .btn-ghost {
      width: 100%;
      margin-top: auto;
    }

    .price-footnote {
      margin: 18px 0 0;
      color: #8fa6bf;
      font-size: 12.5px;
      line-height: 1.7;
    }

    /* FAQ */
    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-transparent: transparent;
      --bs-accordion-border-color: transparent;
      --bs-accordion-btn-color: var(--text);
      --bs-accordion-active-color: var(--gold);
      --bs-accordion-active-bg: transparent;
      --bs-accordion-btn-focus-box-shadow: none;
    }

    .accordion-item {
      margin-bottom: 12px;
      overflow: hidden;
      border: 1px solid var(--line) !important;
      border-radius: 15px !important;
      background: rgba(13, 31, 52, .62) !important;
      transition: border-color var(--ease), background-color var(--ease);
    }

    .accordion-item:has(.accordion-button:not(.collapsed)) {
      border-color: var(--line-gold) !important;
      background: rgba(15, 36, 60, .8) !important;
    }

    .accordion-button {
      padding: 18px 20px;
      border-radius: 15px !important;
      background: transparent !important;
      color: var(--text);
      font-size: 16px;
      font-weight: 600;
      line-height: 1.6;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--gold-soft);
      background: rgba(245, 182, 66, .06) !important;
    }

    .accordion-button::after {
      content: "＋";
      flex: 0 0 auto;
      width: auto;
      height: auto;
      margin-left: 14px;
      background-image: none !important;
      color: var(--gold);
      font-size: 20px;
      line-height: 1;
      transform: none;
      transition: transform var(--ease), color var(--ease);
    }

    .accordion-button:not(.collapsed)::after {
      content: "－";
      transform: none;
      color: var(--gold-soft);
    }

    .accordion-body {
      padding: 0 20px 20px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.88;
    }

    .accordion-body p:last-child { margin-bottom: 0; }

    /* 侧栏 */
    .sidebar {
      position: sticky;
      top: 100px;
      display: grid;
      gap: 20px;
    }

    .side-card {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: var(--surface-strong);
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .05);
    }

    .side-card h3 {
      margin: 0 0 6px;
      font-size: 18px;
    }

    .side-card .side-desc {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.7;
    }

    .side-links {
      display: grid;
      gap: 4px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .side-links a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 44px;
      padding: 9px 12px;
      border-left: 2px solid transparent;
      border-radius: 9px;
      color: #c8d8ea;
      font-size: 14px;
      text-decoration: none;
    }

    .side-links a::after {
      content: "→";
      color: rgba(155, 176, 201, .6);
      font-size: 13px;
      transition: transform var(--ease), color var(--ease);
    }

    .side-links a:hover {
      background: rgba(245, 182, 66, .08);
      color: var(--gold-soft);
      border-left-color: rgba(245, 182, 66, .5);
    }

    .side-links a:hover::after {
      color: var(--gold);
      transform: translateX(2px);
    }

    .side-links a.active {
      background: rgba(245, 182, 66, .12);
      border-left-color: var(--gold);
      color: var(--gold-soft);
    }

    .side-links a.active::after { color: var(--gold); }

    .contact-form {
      display: grid;
      gap: 14px;
      margin-top: 4px;
    }

    .form-label {
      display: block;
      margin-bottom: 6px;
      color: #c7d8ea;
      font-size: 13px;
      font-weight: 600;
    }

    .form-control,
    .form-select {
      width: 100%;
      min-height: 44px;
      padding: 10px 12px;
      border: 1px solid rgba(126, 180, 255, .24);
      border-radius: 10px;
      background-color: #071120;
      color: var(--text);
      font-size: 14px;
      line-height: 1.5;
      transition: border-color var(--ease), box-shadow var(--ease), background-color var(--ease);
    }

    .form-control::placeholder { color: rgba(155, 176, 201, .62); }

    .form-control:focus,
    .form-select:focus {
      border-color: var(--gold);
      background-color: #081528;
      color: var(--text);
      box-shadow: 0 0 0 3px rgba(245, 182, 66, .16);
      outline: none;
    }

    .form-select option {
      background: #081528;
      color: var(--text);
    }

    textarea.form-control {
      min-height: 96px;
      resize: vertical;
    }

    .form-check {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      min-height: 32px;
      margin: 0;
      padding-left: 0;
    }

    .form-check-input {
      flex: 0 0 auto;
      width: 17px;
      height: 17px;
      margin: 4px 0 0;
      border: 1px solid rgba(126, 180, 255, .42);
      border-radius: 5px;
      background-color: #071120;
      cursor: pointer;
    }

    .form-check-input:checked {
      border-color: var(--gold);
      background-color: var(--gold);
    }

    .form-check-input:focus {
      border-color: var(--gold);
      box-shadow: 0 0 0 3px rgba(245, 182, 66, .16);
    }

    .form-check-label {
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.7;
      cursor: pointer;
    }

    .form-hint {
      margin: 0;
      color: #8fa6bf;
      font-size: 12px;
      line-height: 1.65;
    }

    .form-alert {
      display: none;
      margin: 0;
      padding: 10px 12px;
      border: 1px solid rgba(255, 111, 139, .45);
      border-radius: 9px;
      background: rgba(255, 111, 139, .08);
      color: #ffb2c1;
      font-size: 12.5px;
      line-height: 1.6;
    }

    .form-note {
      margin: 12px 0 0;
      color: #8fa6bf;
      font-size: 12px;
      line-height: 1.65;
    }

    /* 相关推荐 */
    .related-section {
      padding: 76px 0 84px;
      border-top: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(8, 21, 40, .42), rgba(5, 10, 18, .1));
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .related-card {
      display: block;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(13, 31, 52, .6);
      color: var(--text);
      text-decoration: none;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .related-card:hover {
      color: var(--text);
      transform: translateY(-4px);
      border-color: var(--line-gold);
      box-shadow: 0 20px 50px rgba(0, 0, 0, .34);
    }

    .related-thumb {
      overflow: hidden;
      aspect-ratio: 16 / 9;
      background: #0a1729;
    }

    .related-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .82;
      transition: transform 500ms ease, opacity var(--ease);
    }

    .related-card:hover .related-thumb img {
      transform: scale(1.04);
      opacity: 1;
    }

    .related-body {
      padding: 20px;
    }

    .related-body h3 {
      margin: 0 0 7px;
      font-size: 18px;
    }

    .related-body p {
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.7;
    }

    .related-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--gold-soft);
      font-size: 13px;
      font-weight: 600;
    }

    .related-link::after {
      content: "→";
      transition: transform var(--ease);
    }

    .related-card:hover .related-link::after { transform: translateX(3px); }

    .back-home {
      display: flex;
      justify-content: center;
      margin-top: 34px;
    }

    /* 页脚 */
    .site-footer {
      position: relative;
      margin-top: 20px;
      padding: 64px 0 26px;
      border-top: 1px solid var(--line);
      background: rgba(5, 10, 18, .82);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr;
      gap: 34px;
    }

    .footer-brand .brand {
      align-items: flex-start;
      margin: 0;
      min-width: 0;
    }

    .footer-brand p {
      max-width: 310px;
      margin: 16px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }

    .footer-col h4 {
      margin: 0 0 16px;
      color: var(--text);
      font-size: 14px;
      letter-spacing: .05em;
    }

    .footer-col ul {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .footer-col a {
      color: var(--muted);
      font-size: 14px;
      text-decoration: none;
    }

    .footer-col a:hover { color: var(--gold); }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      margin-top: 44px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      color: #8ba0b8;
      font-size: 13px;
      line-height: 1.7;
    }

    /* 悬浮 CTA */
    .float-cta {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 1020;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 12px 20px;
      border: 1px solid rgba(255, 210, 122, .65);
      border-radius: 999px;
      background: linear-gradient(135deg, #ffd27a, #f5b642 58%, #e79a1f);
      color: #1b1205;
      font-size: 14px;
      font-weight: 700;
      text-decoration: none;
      box-shadow: 0 14px 36px rgba(0, 0, 0, .38), 0 0 28px rgba(245, 182, 66, .2);
    }

    .float-cta:hover {
      color: #130d03;
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(0, 0, 0, .42), 0 0 34px rgba(245, 182, 66, .3);
    }

    /* 响应式 */
    @media (max-width: 1199.98px) {
      .nav-left,
      .nav-right { gap: 12px; }

      .nav-link { font-size: 13px; }

      .brand { margin: 0 16px; min-width: 120px; }

      .brand-main { font-size: 18px; }

      .nav-cta {
        padding: 9px 14px;
        font-size: 13px;
      }

      .price-card { padding: 26px 20px; }

      .price-value { font-size: 28px; }
    }

    @media (max-width: 991.98px) {
      .nav-left,
      .nav-right { display: none; }

      .mobile-toggle { display: inline-flex; }

      .header-inner { justify-content: space-between; }

      .brand {
        align-items: flex-start;
        margin: 0;
      }

      .brand-sub { letter-spacing: .24em; text-indent: .24em; }

      .page-hero { padding: 54px 0 50px; }

      .section { padding: 72px 0; }

      .sidebar {
        position: static;
        margin-top: 12px;
      }

      .compare-grid,
      .deliver-grid {
        grid-template-columns: 1fr;
      }

      .price-grid {
        grid-template-columns: 1fr 1fr;
      }

      .price-card.featured { transform: none; }

      .price-card.featured:hover { transform: translateY(-4px); }

      .related-grid {
        grid-template-columns: 1fr 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 767.98px) {
      body { font-size: 15.5px; }

      .container-x { width: calc(100% - 36px); }

      .header-inner { min-height: 68px; }

      .brand-main { font-size: 17px; }

      .brand-sub { font-size: 10px; }

      .page-hero {
        padding: 42px 0 44px;
        background-position: 58% center;
      }

      .hero-title {
        font-size: clamp(30px, 8vw, 38px);
        line-height: 1.22;
      }

      .hero-lead { font-size: 15.5px; line-height: 1.85; }

      .hero-chips { margin: 22px 0 26px; }

      .btn-row {
        display: grid;
        grid-template-columns: 1fr;
      }

      .btn-gold,
      .btn-ghost { width: 100%; }

      .section { padding: 56px 0; }

      .section-head { margin-bottom: 28px; }

      .section-title { font-size: 27px; }

      .content-block { margin-bottom: 46px; }

      .scene-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
      }

      .scene-card.large {
        grid-row: auto;
        min-height: 300px;
        padding: 26px;
      }

      .scene-card { min-height: 200px; padding: 24px; }

      .scene-card.large h3 { font-size: 23px; }

      .timeline-item { padding-left: 58px; }

      .step-num { width: 38px; height: 38px; }

      .timeline-item::before { left: 18px; top: 40px; }

      .data-strip { grid-template-columns: 1fr 1fr; }

      .data-num { font-size: 27px; }

      .price-grid {
        grid-template-columns: 1fr;
        gap: 18px;
      }

      .price-card { padding: 26px 22px; }

      .accordion-button {
        padding: 16px 16px;
        font-size: 15px;
      }

      .accordion-body { padding: 0 16px 18px; }

      .related-grid {
        grid-template-columns: 1fr;
      }

      .related-section { padding: 56px 0 70px; }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px 20px;
      }

      .footer-brand {
        grid-column: 1 / -1;
      }

      .footer-brand p { max-width: 100%; }

      .footer-bottom {
        margin-top: 32px;
        flex-direction: column;
      }

      .float-cta {
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        min-height: 52px;
        padding: 14px 18px;
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        border-bottom: 0;
        font-size: 14px;
      }

      .site-footer {
        padding-bottom: 90px;
      }
    }

    @media (max-width: 519.98px) {
      .container-x { width: calc(100% - 30px); }

      .hero-title { font-size: 30px; }

      .eyebrow { font-size: 11px; letter-spacing: .13em; }

      .chip { font-size: 12px; padding: 6px 10px; }

      .compare-card { padding: 22px; }

      .data-strip { grid-template-columns: 1fr; }

      .price-value { font-size: 28px; }

      .footer-grid { grid-template-columns: 1fr; }

      .footer-bottom { font-size: 12.5px; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }

      *,
      *::before,
      *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
      }
    }

/* roulang page: category4 */
:root{
  --bg-0:#050a12;
  --bg-1:#081528;
  --bg-2:#0c1d34;
  --surface:rgba(13,31,52,.58);
  --surface-strong:rgba(15,36,60,.86);
  --text:#eaf4ff;
  --muted:#9bb0c9;
  --gold:#f5b642;
  --gold-soft:#ffd27a;
  --signal:#42e6c9;
  --coral:#ff6f8b;
  --line:rgba(126,180,255,.16);
  --line-gold:rgba(245,182,66,.48);
  --shadow:0 24px 70px rgba(0,0,0,.38);
  --radius-card:20px;
  --radius-img:16px;
  --radius-pill:999px;
  --container:1240px;
  --ease:200ms ease;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Space Grotesk","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  color:var(--text);
  background:var(--bg-0);
  line-height:1.8;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(245,182,66,.16), transparent 62%),
    radial-gradient(760px 460px at 92% 6%, rgba(66,230,201,.11), transparent 64%),
    radial-gradient(1100px 700px at 50% 108%, rgba(255,111,139,.07), transparent 68%),
    linear-gradient(180deg,#050a12 0%,#081528 46%,#050a12 100%);
  background-attachment:fixed;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(126,180,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,180,255,.055) 1px, transparent 1px);
  background-size:78px 78px;
  mask-image:radial-gradient(circle at 50% 30%, rgba(0,0,0,.9), transparent 82%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%, rgba(0,0,0,.9), transparent 82%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--gold-soft);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1rem;}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:.01em;line-height:1.28;color:#fff;}
h1{font-size:clamp(2rem,4vw,3.5rem);}
h2{font-size:clamp(1.6rem,2.6vw,2.35rem);}
h3{font-size:clamp(1.1rem,1.5vw,1.4rem);}
h4{font-size:1.02rem;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(245,182,66,.32);color:#fff;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:88px 0;position:relative;z-index:1;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);margin:0;font-size:1.02rem;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.18em;
  color:var(--gold-soft);
  padding:6px 14px;
  border:1px solid var(--line-gold);
  border-radius:var(--radius-pill);
  background:rgba(245,182,66,.08);
  margin-bottom:18px;
  text-transform:none;
}
.eyebrow i{font-size:.7rem;color:var(--gold);}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:.96rem;font-weight:600;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-soft),var(--gold) 62%,#e09a22);
  color:#23180a;
  box-shadow:0 12px 34px rgba(245,182,66,.28),inset 0 1px 0 rgba(255,255,255,.55);
}
.btn-gold:hover,.btn-gold:focus{color:#1a1206;transform:translateY(-2px);box-shadow:0 18px 44px rgba(245,182,66,.42);}
.btn-ghost{
  background:rgba(13,31,52,.6);
  color:var(--signal);
  border-color:rgba(66,230,201,.42);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover,.btn-ghost:focus{color:#07231f;background:var(--signal);border-color:var(--signal);transform:translateY(-2px);}
.btn-line{
  background:transparent;border-color:var(--line);color:var(--text);
}
.btn-line:hover,.btn-line:focus{border-color:var(--line-gold);color:var(--gold-soft);}
.btn-sm{min-height:42px;padding:0 20px;font-size:.9rem;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,18,.62);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  background:rgba(5,10,18,.92);
  box-shadow:0 18px 46px rgba(0,0,0,.46);
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  min-height:76px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  position:relative;
}
.brand{display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.12;padding:6px 10px;}
.brand-main{
  font-size:1.14rem;font-weight:700;letter-spacing:.04em;
  background:linear-gradient(120deg,#fff,var(--gold-soft) 58%,var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  white-space:nowrap;
}
.brand-sub{
  font-size:.68rem;letter-spacing:.36em;color:var(--muted);
  margin-top:3px;padding-left:.36em;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 12px;
  font-size:.92rem;color:#c6d8ee;border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:8px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  transition:width var(--ease);
  box-shadow:0 0 12px rgba(245,182,66,.8);
}
.nav-link:hover{color:#fff;background:rgba(126,180,255,.08);}
.nav-link:hover::after{width:18px;}
.nav-link.active{color:var(--gold-soft);}
.nav-link.active::after{width:22px;}
.nav-cta{margin-left:10px;}
.menu-toggle{
  display:none;
  width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);
  background:rgba(13,31,52,.7);
  color:var(--text);
  align-items:center;justify-content:center;
}
.menu-toggle i{font-size:1.15rem;}

/* ---------- offcanvas ---------- */
.offcanvas-x{
  background:rgba(6,14,26,.96);
  backdrop-filter:blur(22px);
  color:var(--text);
  border-right:1px solid var(--line);
  width:min(88vw,380px);
}
.offcanvas-x .oc-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line);}
.offcanvas-x .oc-body{padding:18px 22px 28px;overflow-y:auto;}
.oc-group{margin-bottom:22px;}
.oc-group h5{
  font-size:.74rem;letter-spacing:.2em;color:var(--muted);
  margin:0 0 10px;font-weight:600;
}
.oc-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 12px;border-radius:12px;
  color:#d5e4f6;font-size:.96rem;
}
.oc-link:hover,.oc-link.active{background:rgba(245,182,66,.12);color:var(--gold-soft);}
.oc-link i{font-size:.78rem;opacity:.6;}
.oc-cta{margin-top:6px;}
.btn-close-x{background:none;border:0;color:var(--muted);font-size:1.25rem;width:44px;height:44px;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:96px 0 76px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.28;filter:saturate(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 420px at 18% 22%, rgba(245,182,66,.22), transparent 66%),
    linear-gradient(180deg, rgba(5,10,18,.72) 0%, rgba(5,10,18,.94) 78%, var(--bg-0) 100%);
}
.page-hero .container-x{position:relative;z-index:2;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.84rem;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:#b9cde4;}
.crumb i{font-size:.62rem;opacity:.55;}
.crumb .current{color:var(--gold-soft);}
.hero-title{
  max-width:900px;
  margin-bottom:20px;
  text-shadow:0 8px 32px rgba(0,0,0,.5);
}
.hero-title .hl{
  display:block;
  background:linear-gradient(110deg,var(--gold-soft),var(--gold) 55%,#e79f1f);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  max-width:720px;
  color:#c2d5ea;font-size:1.04rem;line-height:1.85;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  font-size:.83rem;color:#cfe0f2;
  background:rgba(13,31,52,.66);
  border:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.chip i{color:var(--signal);font-size:.78rem;}
.chip.gold{border-color:var(--line-gold);color:var(--gold-soft);}
.chip.gold i{color:var(--gold);}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start;}
.main-col{min-width:0;}
.side-col{position:sticky;top:100px;display:grid;gap:22px;}

/* ---------- cards ---------- */
.card-x{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(12px);
  padding:30px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card-x:hover{border-color:var(--line-gold);transform:translateY(-3px);box-shadow:0 30px 74px rgba(0,0,0,.46);}
.card-x.solid{background:var(--surface-strong);}
.card-x h3{margin-bottom:12px;}
.card-x p{color:var(--muted);margin-bottom:0;}
.card-grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-2plus1{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-2plus1 .span-2{grid-column:span 2;}

.icon-badge{
  width:52px;height:52px;border-radius:16px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(245,182,66,.2),rgba(66,230,201,.14));
  border:1px solid var(--line-gold);
  color:var(--gold-soft);
  font-size:1.16rem;
  margin-bottom:18px;
}
.icon-badge.signal{border-color:rgba(66,230,201,.45);color:var(--signal);background:linear-gradient(140deg,rgba(66,230,201,.18),rgba(245,182,66,.1));}

.big-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;
  overflow:hidden;padding:0;
}
.big-card .bc-body{padding:34px;display:flex;flex-direction:column;justify-content:center;}
.big-card .bc-media{position:relative;min-height:280px;}
.big-card .bc-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) brightness(.86);}
.big-card .bc-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,21,40,.92),rgba(8,21,40,.12) 62%);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:.76rem;letter-spacing:.06em;
  background:rgba(66,230,201,.12);
  color:var(--signal);
  border:1px solid rgba(66,230,201,.34);
  margin-bottom:14px;
}
.tag.coral{background:rgba(255,111,139,.12);color:var(--coral);border-color:rgba(255,111,139,.34);}
.tag.gold{background:rgba(245,182,66,.12);color:var(--gold-soft);border-color:var(--line-gold);}

/* ---------- stats ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  padding:26px;
  border-radius:var(--radius-card);
  background:var(--surface-strong);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.stat-item{text-align:center;padding:10px 6px;}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(1.8rem,3vw,2.5rem);
  font-weight:700;line-height:1;
  background:linear-gradient(130deg,#fff,var(--gold-soft) 60%,var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:.9rem;color:var(--muted);-webkit-text-fill-color:var(--muted);margin-left:4px;font-weight:500;}
.stat-label{font-size:.83rem;color:var(--muted);margin-top:8px;letter-spacing:.06em;}

/* ---------- schedule table ---------- */
.schedule{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--surface-strong);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.sch-row{
  display:grid;
  grid-template-columns:1.1fr .7fr 1.9fr 1.2fr;
  gap:14px;
  padding:16px 22px;
  align-items:center;
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.sch-row:last-child{border-bottom:0;}
.sch-row.sch-head{
  background:rgba(245,182,66,.1);
  font-size:.82rem;letter-spacing:.12em;color:var(--gold-soft);
  font-weight:600;
}
.sch-row:not(.sch-head):hover{background:rgba(66,230,201,.06);}
.sch-row .stage{font-weight:600;color:#fff;}
.sch-row .days{font-family:var(--font-num);color:var(--signal);font-size:.95rem;}
.sch-row .desc{color:var(--muted);font-size:.92rem;}
.sch-row .out{color:#d4e4f6;font-size:.92rem;}

/* ---------- gear list ---------- */
.gear-list{display:grid;gap:14px;}
.gear-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(13,31,52,.5);
  transition:border-color var(--ease),transform var(--ease),background var(--ease);
}
.gear-item:hover{border-color:var(--line-gold);transform:translateX(3px);background:rgba(15,36,60,.78);}
.gear-ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(245,182,66,.14);color:var(--gold-soft);
  border:1px solid var(--line-gold);font-size:.98rem;
}
.gear-item h4{font-size:.98rem;margin-bottom:4px;}
.gear-item p{color:var(--muted);font-size:.9rem;margin:0;line-height:1.7;}

/* ---------- checklist ---------- */
.check-list{display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  color:#cfdff0;font-size:.95rem;line-height:1.75;
}
.check-list li i{color:var(--gold);margin-top:.5em;font-size:.72rem;flex:0 0 auto;}

/* ---------- sidebar ---------- */
.side-nav{padding:24px;}
.side-nav h4{font-size:.78rem;letter-spacing:.2em;color:var(--muted);margin-bottom:14px;font-weight:600;}
.side-nav ul{display:grid;gap:6px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 14px;border-radius:12px;
  color:#cbdced;font-size:.93rem;
  border:1px solid transparent;
  transition:all var(--ease);
}
.side-nav a:hover{background:rgba(245,182,66,.1);border-color:var(--line-gold);color:var(--gold-soft);}
.side-nav a.active{background:rgba(245,182,66,.14);border-color:var(--line-gold);color:var(--gold-soft);}
.side-nav a i{font-size:.7rem;opacity:.6;}

.side-cta{
  padding:26px;
  border-radius:var(--radius-card);
  background:linear-gradient(160deg,rgba(245,182,66,.16),rgba(13,31,52,.9) 58%);
  border:1px solid var(--line-gold);
  box-shadow:var(--shadow);
}
.side-cta h4{margin-bottom:10px;font-size:1.08rem;}
.side-cta p{color:#c8d9ec;font-size:.9rem;line-height:1.75;margin-bottom:18px;}
.side-cta .btn-x{width:100%;}
.side-note{
  margin-top:14px;font-size:.79rem;color:var(--muted);line-height:1.7;
}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.faq-side{position:sticky;top:100px;}
.faq-side h2{margin-bottom:14px;}
.faq-side p{color:var(--muted);max-width:340px;}
.accordion-x .accordion-item{
  background:var(--surface-strong);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
}
.accordion-x .accordion-button{
  background:transparent;color:#eaf4ff;
  font-weight:600;font-size:1rem;
  padding:20px 22px;
  min-height:44px;
  box-shadow:none;
  border-radius:16px;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--gold-soft);background:rgba(245,182,66,.08);}
.accordion-x .accordion-button:focus{box-shadow:none;outline:2px solid var(--signal);outline-offset:-2px;}
.accordion-x .accordion-button::after{
  filter:invert(78%) sepia(38%) saturate(720%) hue-rotate(340deg) brightness(104%);
  transition:transform var(--ease);
}
.accordion-x .accordion-body{
  color:var(--muted);font-size:.95rem;line-height:1.85;
  padding:0 22px 22px;
}
.accordion-x .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--line-gold);
  box-shadow:0 16px 40px rgba(0,0,0,.35);
}

/* ---------- related cards ---------- */
.rel-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease);
  height:100%;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-gold);}
.rel-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease;filter:saturate(.94) brightness(.88);}
.rel-card:hover .rel-media img{transform:scale(1.04);}
.rel-media .tag{position:absolute;left:14px;top:14px;margin:0;background:rgba(5,10,18,.72);backdrop-filter:blur(6px);}
.rel-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:1.08rem;line-height:1.45;}
.rel-body p{color:var(--muted);font-size:.9rem;margin:0;}
.rel-more{
  margin-top:auto;padding-top:6px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:.87rem;color:var(--gold-soft);font-weight:600;
}
.rel-more i{transition:transform var(--ease);}
.rel-card:hover .rel-more i{transform:translateX(4px);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  border-radius:26px;
  overflow:hidden;
  padding:56px 44px;
  background:linear-gradient(135deg,rgba(245,182,66,.18),rgba(13,31,52,.92) 48%,rgba(66,230,201,.12));
  border:1px solid var(--line-gold);
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
}
.cta-band h2{margin-bottom:12px;}
.cta-band p{color:#c9dbee;margin-bottom:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:26px;font-size:.9rem;color:var(--muted);
}
.back-link:hover{color:var(--gold-soft);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,21,40,.4),rgba(3,7,13,.95));
  padding:56px 0 26px;
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{align-items:flex-start;padding:0;margin-bottom:16px;}
.footer-brand .brand-main{font-size:1.2rem;}
.footer-brand p{color:var(--muted);font-size:.9rem;line-height:1.85;max-width:360px;margin:0;}
.footer-col h4{
  font-size:.84rem;letter-spacing:.16em;color:#dce9f7;
  margin-bottom:16px;font-weight:600;
}
.footer-col ul{display:grid;gap:4px;}
.footer-col a{
  display:inline-flex;align-items:center;min-height:36px;
  font-size:.9rem;color:var(--muted);
}
.footer-col a:hover{color:var(--gold-soft);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:22px;font-size:.82rem;color:#7f94ac;
}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:1020;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-link{padding:0 9px;font-size:.88rem;}
  .brand-main{font-size:1.05rem;}
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px;}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-wrap{justify-content:space-between;}
  .brand{align-items:flex-start;padding:6px 0;}
  .layout{grid-template-columns:1fr;}
  .side-col{position:static;}
  .big-card{grid-template-columns:1fr;}
  .big-card .bc-media{min-height:220px;order:-1;}
  .big-card .bc-media::after{background:linear-gradient(180deg,rgba(8,21,40,.1),rgba(8,21,40,.94));}
  .grid-2plus1{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-2plus1 .span-2{grid-column:span 2;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .faq-side{position:static;}
  .faq-side p{max-width:none;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:72px 0;}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sch-row{grid-template-columns:1fr 1fr;gap:8px 14px;}
  .sch-row.sch-head{display:none;}
  .sch-row .desc{grid-column:span 2;color:var(--muted);}
  .sch-row .out{grid-column:span 2;color:#c8dbef;}
  .sch-row::before{content:"";display:none;}
  .sch-row > span[data-label]{display:flex;gap:8px;align-items:center;}
  .sch-row > span[data-label]::before{
    content:attr(data-label);
    font-size:.72rem;letter-spacing:.12em;color:var(--muted);
    min-width:52px;
  }
}
@media (max-width:767px){
  body{font-size:16px;}
  .page-hero{padding:64px 0 52px;}
  .hero-lead{font-size:.98rem;}
  .grid-2,.grid-3,.grid-2plus1{grid-template-columns:1fr;}
  .grid-2plus1 .span-2{grid-column:span 1;}
  .card-x{padding:24px;}
  .big-card .bc-body{padding:24px;}
  .float-cta{right:0;left:0;bottom:0;transform:translateY(100%);}
  .float-cta.show{transform:translateY(0);}
  .float-cta .btn-x{width:100%;border-radius:0;min-height:54px;box-shadow:0 -10px 30px rgba(0,0,0,.5);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col a{min-height:40px;}
  .section{padding:56px 0;}
  .container-x{padding:0 18px;}
  .nav-wrap{padding:0 18px;min-height:68px;}
  .cta-band{padding:32px 22px;}
}
@media (max-width:479px){
  .container-x{padding:0 14px;}
  .brand-main{font-size:.98rem;}
  .brand-sub{font-size:.6rem;letter-spacing:.28em;}
  .hero-actions .btn-x{width:100%;}
  .stat-band{padding:18px;gap:10px;}
  .chip{font-size:.78rem;padding:6px 12px;}
  .sch-row{padding:14px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* 表单补充样式（置于页面末尾，覆盖 Bootstrap 默认外观） */
.form-label{
  font-size:.86rem;color:#c6d8ee;margin-bottom:8px;letter-spacing:.04em;font-weight:600;
}
.form-x{
  background:rgba(6,14,26,.86)!important;
  border:1px solid var(--line)!important;
  border-radius:14px!important;
  color:var(--text)!important;
  min-height:48px;
  padding:12px 16px!important;
  font-size:.94rem;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.form-x::placeholder{color:#6f8399;}
.form-x:focus{
  background:rgba(9,20,34,.96)!important;
  border-color:var(--line-gold)!important;
  box-shadow:0 0 0 4px rgba(245,182,66,.14)!important;
  outline:none!important;
}
textarea.form-x{min-height:112px;resize:vertical;}
.form-select.form-x{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f5b642'%3E%3Cpath d='M8 11.5 2.5 6h11z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  background-size:14px;
  padding-right:42px!important;
}
.form-select.form-x option{background:#0b1a2c;color:#eaf4ff;}
.form-x-check{
  background-color:rgba(6,14,26,.9);
  border:1px solid var(--line);
  border-radius:6px;
  width:1.1em;height:1.1em;margin-top:.32em;
}
.form-x-check:checked{
  background-color:var(--gold);
  border-color:var(--gold);
}
.form-x-check:focus{
  border-color:var(--gold);
  box-shadow:0 0 0 4px rgba(245,182,66,.16);
  outline:none;
}
.form-control.is-invalid .form-x,.form-x.is-invalid{border-color:var(--coral)!important;}

/* roulang page: category5 */
:root{
  --bg-0:#050a12;
  --bg-1:#081528;
  --bg-2:#0c1d34;
  --surface:rgba(13,31,52,.58);
  --surface-strong:rgba(15,36,60,.88);
  --text:#eaf4ff;
  --muted:#9bb0c9;
  --gold:#f5b642;
  --gold-soft:#ffd27a;
  --signal:#42e6c9;
  --coral:#ff6f8b;
  --line:rgba(126,180,255,.16);
  --line-gold:rgba(245,182,66,.48);
  --shadow:0 24px 70px rgba(0,0,0,.38);
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
  --container:1240px;
  --ease:200ms ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 78% -8%,rgba(245,182,66,.18),transparent 62%),
    radial-gradient(760px 460px at 6% 14%,rgba(66,230,201,.10),transparent 66%),
    linear-gradient(180deg,#050a12 0%,#081528 46%,#050a12 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(0deg,rgba(126,180,255,.045) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(90deg,rgba(126,180,255,.045) 0 1px,transparent 1px 72px);
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  opacity:.7;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--gold-soft);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:.01em;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px;}
.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:96px 0;position:relative;z-index:1;}
.section--tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--gold);
  text-transform:uppercase;font-weight:500;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--gold),transparent);border-radius:2px;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3vw,38px);margin-bottom:14px;}
.section-head p{color:var(--muted);margin:0;font-size:16px;}
.num{font-family:"Space Grotesk","Noto Sans SC",sans-serif;font-weight:700;letter-spacing:.02em;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,15,27,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,12,22,.94);
  box-shadow:0 18px 46px rgba(0,0,0,.42);
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:76px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:20px;}
.nav-left{justify-content:flex-end;}
.nav-right{justify-content:flex-start;}
.nav-link{
  font-size:14.5px;color:#cfdcec;position:relative;padding:8px 2px;white-space:nowrap;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  transform:scaleX(0);transform-origin:center;transition:transform var(--ease);
  box-shadow:0 0 12px rgba(245,182,66,.7);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--gold-soft);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--gold-soft);}
.brand{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;line-height:1.1;padding:6px 10px;border-radius:12px;
}
.brand-main{font-size:19px;font-weight:700;letter-spacing:.04em;color:var(--text);}
.brand-sub{font-size:11px;letter-spacing:.32em;color:var(--gold);margin-top:4px;font-weight:500;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  color:#131a24;font-weight:700;font-size:14px;
  box-shadow:0 10px 26px rgba(245,182,66,.28);
  transition:transform var(--ease),box-shadow var(--ease);
  min-height:44px;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(245,182,66,.42);color:#131a24;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(13,31,52,.7);color:var(--text);
  align-items:center;justify-content:center;font-size:18px;
}
.mobile-menu{
  display:none;
  position:fixed;inset:0;z-index:120;
  background:rgba(5,10,18,.96);
  backdrop-filter:blur(20px);
  padding:88px 24px 32px;
  overflow-y:auto;
}
.mobile-menu.is-open{display:block;}
.mobile-menu .m-group{margin-bottom:26px;}
.mobile-menu h5{
  font-size:12px;letter-spacing:.2em;color:var(--muted);font-weight:500;margin-bottom:12px;
}
.mobile-menu a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:14px;border:1px solid var(--line);
  margin-bottom:10px;min-height:48px;color:#dfe9f6;font-size:16px;
  background:rgba(13,31,52,.5);
}
.mobile-menu a:hover{border-color:var(--line-gold);color:var(--gold-soft);}
.mobile-close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(13,31,52,.7);color:var(--text);font-size:18px;
}

/* ===== 面包屑 ===== */
.crumb{
  padding:22px 0 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:14px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--gold-soft);}
.crumb .sep{opacity:.5;}
.crumb .now{color:var(--gold-soft);}

/* ===== 小 Hero ===== */
.page-hero{
  position:relative;
  margin-top:22px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  isolation:isolate;
}
.page-hero__bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
  filter:saturate(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(560px 320px at 84% 10%,rgba(245,182,66,.24),transparent 68%),
    linear-gradient(105deg,rgba(5,10,18,.95) 0%,rgba(6,15,27,.86) 48%,rgba(8,21,40,.7) 100%);
}
.page-hero__inner{padding:64px 52px 60px;max-width:820px;}
.page-hero h1{
  font-size:clamp(30px,4vw,50px);
  line-height:1.24;margin-bottom:20px;letter-spacing:.01em;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,var(--gold),var(--gold-soft));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero p{color:#c8d8ea;font-size:17px;max-width:700px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  font-size:13px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(13,31,52,.6);color:#cfe0f2;
}

/* ===== 通用组件 ===== */
.card-glass{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:inset 0 1px rgba(255,255,255,.08),0 16px 40px rgba(0,0,0,.26);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card-glass:hover{
  transform:translateY(-4px);
  border-color:var(--line-gold);
  box-shadow:inset 0 1px rgba(255,255,255,.1),0 24px 54px rgba(0,0,0,.38),0 0 0 1px rgba(245,182,66,.18);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(66,230,201,.12);color:var(--signal);border:1px solid rgba(66,230,201,.28);
}
.tag--gold{background:rgba(245,182,66,.14);color:var(--gold-soft);border-color:rgba(245,182,66,.34);}
.tag--coral{background:rgba(255,111,139,.14);color:#ffa3b5;border-color:rgba(255,111,139,.3);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:13px 30px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  color:#131a24;font-weight:700;font-size:15.5px;border:none;
  box-shadow:0 12px 30px rgba(245,182,66,.3);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(245,182,66,.44);color:#131a24;}
.btn-main:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:12px 28px;border-radius:999px;
  background:rgba(13,31,52,.55);border:1px solid rgba(66,230,201,.35);
  color:var(--signal);font-weight:600;font-size:15.5px;
  transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--signal);background:rgba(66,230,201,.1);color:var(--signal);}

/* ===== 主体两栏 ===== */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start;}
.main-col>*+*{margin-top:44px;}
.mod{
  padding:34px 32px;
  border-radius:var(--radius-md);
  background:var(--surface-strong);
  border:1px solid var(--line);
  box-shadow:inset 0 1px rgba(255,255,255,.06);
}
.mod h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:12px;}
.mod .lead{color:var(--muted);font-size:15.5px;margin-bottom:24px;}

/* 渠道矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.channel{
  padding:22px 20px;border-radius:var(--radius-sm);
  background:rgba(9,23,40,.72);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease),background var(--ease);
}
.channel:hover{border-color:var(--line-gold);transform:translateY(-3px);background:rgba(12,29,52,.9);}
.channel i{color:var(--gold);font-size:18px;margin-bottom:12px;display:block;}
.channel h3{font-size:18px;margin-bottom:8px;}
.channel p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.75;}

/* 流程时间线 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(66,230,201,.4),transparent);
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-1);border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(245,182,66,.14);
}
.tl-item h3{font-size:18.5px;margin-bottom:6px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tl-item h3 .num{font-size:13px;color:var(--gold);letter-spacing:.12em;}
.tl-item p{color:var(--muted);font-size:15px;margin:0;}

/* 清单 */
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed rgba(126,180,255,.14);
  font-size:15.5px;color:#d6e3f1;
}
.check-list li:last-child{border-bottom:none;}
.check-list li i{color:var(--gold);margin-top:6px;font-size:12px;}
.check-list li strong{color:var(--text);font-weight:600;}

/* 数据带 */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  padding:28px 24px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(245,182,66,.10),rgba(66,230,201,.06));
}
.stat{text-align:left;}
.stat b{display:block;font-size:clamp(24px,3vw,34px);line-height:1.1;color:var(--gold-soft);font-family:"Space Grotesk","Noto Sans SC",sans-serif;}
.stat span{display:block;font-size:13.5px;color:var(--muted);margin-top:8px;}

/* FAQ */
.faq .accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--line);
}
.faq .accordion-button{
  background:transparent;color:var(--text);font-size:16.5px;font-weight:600;
  padding:20px 44px 20px 0;box-shadow:none;line-height:1.6;
}
.faq .accordion-button:not(.collapsed){
  color:var(--gold-soft);background:transparent;box-shadow:none;
}
.faq .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--gold);width:auto;height:auto;
  transition:transform var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--signal);outline-offset:-2px;}
.faq .accordion-body{color:var(--muted);font-size:15.5px;line-height:1.85;padding:0 12px 22px 0;}

/* 侧栏 */
.side-col{position:sticky;top:100px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  padding:26px 24px;border-radius:var(--radius-md);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:inset 0 1px rgba(255,255,255,.07);
}
.side-card h3{font-size:16px;margin-bottom:16px;letter-spacing:.04em;color:var(--gold-soft);}
.side-links li+li{margin-top:6px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14.5px;color:#cfdcec;
  border:1px solid transparent;transition:all var(--ease);min-height:44px;
}
.side-links a:hover{background:rgba(245,182,66,.08);border-color:rgba(245,182,66,.28);color:var(--gold-soft);}
.side-links a i{font-size:11px;opacity:.7;}
.side-links a.cur{background:rgba(245,182,66,.12);border-color:rgba(245,182,66,.4);color:var(--gold-soft);font-weight:600;}
.cta-card{
  padding:28px 24px;border-radius:var(--radius-md);
  background:
    radial-gradient(320px 200px at 90% 0%,rgba(245,182,66,.24),transparent 70%),
    rgba(13,31,52,.82);
  border:1px solid var(--line-gold);
  box-shadow:0 20px 48px rgba(0,0,0,.34);
}
.cta-card h3{font-size:19px;margin-bottom:10px;}
.cta-card p{color:var(--muted);font-size:14.5px;margin-bottom:18px;}
.cta-card .btn-main{width:100%;}
.cta-card .note{font-size:12.5px;color:var(--muted);margin:14px 0 0;text-align:center;}

/* 相关推荐 */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  overflow:hidden;border-radius:var(--radius-md);
  background:var(--surface);border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--line-gold);box-shadow:0 24px 54px rgba(0,0,0,.4);}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;filter:saturate(.92) brightness(.9);}
.rec-card:hover .rec-thumb img{transform:scale(1.05);}
.rec-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,.05),rgba(5,10,18,.62));
}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17.5px;}
.rec-body p{color:var(--muted);font-size:14px;margin:0;flex:1;}
.rec-link{font-size:14px;color:var(--gold-soft);display:inline-flex;align-items:center;gap:8px;font-weight:600;}
.rec-link i{transition:transform var(--ease);}
.rec-card:hover .rec-link i{transform:translateX(4px);}

/* 结尾 CTA */
.end-cta{
  margin-top:20px;
  padding:52px 44px;border-radius:var(--radius-lg);
  background:
    radial-gradient(600px 300px at 88% 0%,rgba(245,182,66,.22),transparent 66%),
    radial-gradient(500px 300px at 4% 100%,rgba(66,230,201,.12),transparent 70%),
    rgba(10,25,44,.9);
  border:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.end-cta h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.end-cta p{color:var(--muted);margin:0;font-size:15.5px;max-width:560px;}
.end-cta .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  color:#131a24;font-weight:700;font-size:15px;
  box-shadow:0 16px 40px rgba(245,182,66,.36);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  min-height:48px;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#131a24;transform:translateY(-2px);}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,21,40,.55),rgba(4,9,16,.9));
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand .brand{align-items:flex-start;text-align:left;padding:0;margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);letter-spacing:.05em;}
.footer-col li+li{margin-top:10px;}
.footer-col a{color:var(--muted);font-size:14.5px;display:inline-block;padding:2px 0;transition:color var(--ease),transform var(--ease);}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(3px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:var(--muted);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .nav-left,.nav-right{gap:14px;}
  .nav-link{font-size:13.5px;}
  .brand-main{font-size:17.5px;}
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:68px;}
  .nav-toggle{display:inline-flex;}
  .brand{align-items:flex-start;text-align:left;justify-self:start;}
  .section{padding:72px 0;}
  .page-hero__inner{padding:48px 32px 44px;}
  .layout{grid-template-columns:1fr;}
  .side-col{position:static;}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .container-x{padding:0 18px;}
  .page-hero__inner{padding:38px 22px 36px;}
  .page-hero h1{font-size:30px;}
  .page-hero p{font-size:15.5px;}
  .channel-grid{grid-template-columns:1fr;}
  .mod{padding:26px 20px;}
  .stat-band{grid-template-columns:1fr 1fr;padding:22px 18px;}
  .rec-grid{grid-template-columns:1fr;}
  .end-cta{padding:36px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;padding:15px 20px;
    box-shadow:0 -8px 30px rgba(0,0,0,.5);
  }
  .site-footer{padding-bottom:64px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .side-col{gap:18px;}
}
@media (max-width:520px){
  .hero-tags span{font-size:12px;padding:6px 11px;}
  .stat-band{grid-template-columns:1fr;}
  .timeline{padding-left:26px;}
  .tl-item::before{left:-24px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category6 */
:root{
  --bg-0:#050a12;
  --bg-1:#081528;
  --bg-2:#0c1d34;
  --surface:rgba(13,31,52,.58);
  --surface-strong:rgba(15,36,60,.86);
  --text:#eaf4ff;
  --muted:#9bb0c9;
  --gold:#f5b642;
  --gold-soft:#ffd27a;
  --signal:#42e6c9;
  --coral:#ff6f8b;
  --line:rgba(126,180,255,.16);
  --line-gold:rgba(245,182,66,.48);
  --shadow:0 24px 70px rgba(0,0,0,.38);
  --shadow-sm:0 12px 34px rgba(0,0,0,.28);
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --container:1240px;
  --ease:220ms cubic-bezier(.4,.1,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(126,180,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,180,255,.045) 1px,transparent 1px);
  background-size:72px 72px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(620px 420px at 10% -8%,rgba(245,182,66,.16),transparent 72%),
    radial-gradient(760px 520px at 92% 6%,rgba(66,230,201,.10),transparent 74%),
    radial-gradient(520px 380px at 50% 108%,rgba(255,111,139,.07),transparent 76%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--gold-soft);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,14,26,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.site-header.is-scrolled{
  background:rgba(5,11,21,.92);
  box-shadow:0 14px 40px rgba(0,0,0,.42);
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:76px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
}
.nav-left,.nav-right{
  display:flex;
  align-items:center;
  gap:20px;
}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.site-header .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 2px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  border-radius:0;
  transition:color var(--ease);
  white-space:nowrap;
}
.site-header .nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:8px;
  width:0;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  transform:translateX(-50%);
  transition:width var(--ease);
  box-shadow:0 0 12px rgba(245,182,66,.6);
}
.site-header .nav-link:hover,
.site-header .nav-link:focus{color:var(--gold-soft);}
.site-header .nav-link:hover::after{width:60%;}
.site-header .nav-link.active{color:var(--gold-soft);}
.site-header .nav-link.active::after{width:70%;}
.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  line-height:1.1;
  gap:4px;
  padding:4px 10px;
  transition:transform var(--ease);
}
.brand:hover{transform:translateY(-1px);}
.brand-main{
  font-size:19px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text);
  white-space:nowrap;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.42em;
  color:var(--gold);
  white-space:nowrap;
  text-indent:.42em;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--pill);
  font-size:14px;
  font-weight:700;
  color:#101a26;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  box-shadow:0 10px 26px rgba(245,182,66,.28),inset 0 1px rgba(255,255,255,.5);
  transition:transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.nav-cta:hover{
  color:#101a26;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(245,182,66,.42),inset 0 1px rgba(255,255,255,.55);
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(15,36,60,.6);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--line-gold);color:var(--gold-soft);}

/* Offcanvas */
.offcanvas.offcanvas-end{
  width:min(88vw,360px);
  background:rgba(8,20,36,.96);
  backdrop-filter:blur(20px);
  border-left:1px solid var(--line);
  color:var(--text);
}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.offcanvas-title{font-size:16px;font-weight:700;letter-spacing:.04em;}
.offcanvas-body{padding:18px 22px 28px;}
.oc-group{margin-bottom:22px;}
.oc-group h5{
  font-size:11.5px;
  letter-spacing:.24em;
  color:var(--muted);
  text-transform:none;
  margin:0 0 10px;
  font-weight:600;
}
.oc-group a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:46px;
  padding:0 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text);
  border:1px solid transparent;
}
.oc-group a:hover,
.oc-group a.active{
  background:rgba(245,182,66,.09);
  border-color:var(--line-gold);
  color:var(--gold-soft);
}
.oc-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  border-radius:var(--pill);
  font-weight:700;
  color:#101a26;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  box-shadow:0 12px 28px rgba(245,182,66,.3);
}

/* ============ 通用组件 ============ */
.btn-gold{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:50px;
  padding:0 26px;
  border-radius:var(--pill);
  font-size:15px;
  font-weight:700;
  color:#101a26;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  box-shadow:0 14px 34px rgba(245,182,66,.3),inset 0 1px rgba(255,255,255,.5);
  border:none;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease);
}
.btn-gold:hover{color:#101a26;transform:translateY(-2px);box-shadow:0 20px 44px rgba(245,182,66,.44),inset 0 1px rgba(255,255,255,.55);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:50px;
  padding:0 24px;
  border-radius:var(--pill);
  font-size:15px;
  font-weight:600;
  color:var(--signal);
  background:rgba(13,31,52,.5);
  border:1px solid rgba(66,230,201,.34);
  transition:transform var(--ease),border-color var(--ease),background var(--ease),color var(--ease);
}
.btn-ghost:hover{
  color:var(--signal);
  transform:translateY(-2px);
  border-color:rgba(66,230,201,.7);
  background:rgba(66,230,201,.1);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--gold-soft);
  background:rgba(245,182,66,.1);
  border:1px solid rgba(245,182,66,.3);
}
.tag-cyan{
  color:var(--signal);
  background:rgba(66,230,201,.08);
  border-color:rgba(66,230,201,.3);
}
.tag-coral{
  color:var(--coral);
  background:rgba(255,111,139,.09);
  border-color:rgba(255,111,139,.3);
}
.section{padding:88px 0;}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:14px;}
.section-head p{color:var(--muted);margin:0;font-size:16px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  letter-spacing:.22em;
  color:var(--gold);
  margin-bottom:16px;
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:linear-gradient(90deg,var(--gold),transparent);
}
.card-glass{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm),inset 0 1px rgba(255,255,255,.07);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card-glass:hover{
  transform:translateY(-4px);
  border-color:var(--line-gold);
  box-shadow:0 26px 56px rgba(0,0,0,.42),inset 0 1px rgba(255,255,255,.1);
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(100deg,rgba(5,10,18,.94) 12%,rgba(6,17,32,.82) 58%,rgba(9,26,44,.72) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 340px at 82% 20%,rgba(245,182,66,.18),transparent 72%);
  z-index:0;
  pointer-events:none;
}
.page-hero .container-x{z-index:1;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:26px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--gold-soft);}
.crumbs span.sep{opacity:.5;}
.crumbs span.current{color:var(--gold-soft);}
.hero-tagline{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 15px;
  border-radius:var(--pill);
  background:rgba(245,182,66,.1);
  border:1px solid rgba(245,182,66,.32);
  color:var(--gold-soft);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.08em;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.24;
  max-width:900px;
  margin-bottom:20px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--gold-soft);
}
.hero-lead{
  max-width:720px;
  color:#c6d7ea;
  font-size:16.5px;
  line-height:1.85;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--pill);
  font-size:13px;
  color:#cfe0f2;
  background:rgba(13,31,52,.6);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.chip i{color:var(--signal);font-size:12px;}

/* ============ 数据带 ============ */
.stats-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:44px;
}
.stat-item{
  padding:20px 22px;
  border-radius:var(--radius-sm);
  background:rgba(9,24,42,.66);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.stat-num{
  font-family:"Space Grotesk","Segoe UI",sans-serif;
  font-size:30px;
  font-weight:700;
  color:var(--gold-soft);
  line-height:1.1;
  letter-spacing:.01em;
}
.stat-num small{font-size:14px;color:var(--muted);margin-left:4px;font-family:inherit;font-weight:500;}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;}

/* ============ 主体两栏 ============ */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:44px;
  align-items:start;
}
.main-col{min-width:0;}
.side-col{position:sticky;top:100px;}

/* ============ 时间线 ============ */
.timeline{
  position:relative;
  margin-top:8px;
  padding-left:30px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,rgba(245,182,66,.6),rgba(66,230,201,.28),rgba(126,180,255,.06));
  border-radius:2px;
}
.tl-item{
  position:relative;
  margin-bottom:26px;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:-30px;
  top:26px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--bg-0);
  border:2px solid var(--gold);
  box-shadow:0 0 0 5px rgba(245,182,66,.1),0 0 16px rgba(245,182,66,.5);
}
.case-card{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:0;
  overflow:hidden;
  background:var(--surface-strong);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.case-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-gold);
  box-shadow:0 28px 60px rgba(0,0,0,.46);
}
.case-media{
  position:relative;
  min-height:100%;
  overflow:hidden;
}
.case-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) brightness(.86);
  transition:transform 500ms var(--ease);
}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,transparent 40%,rgba(15,36,60,.92) 100%);
}
.case-body{padding:24px 26px;}
.case-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  font-size:12.5px;
  color:var(--muted);
}
.case-body h3{
  font-size:20px;
  margin-bottom:10px;
  line-height:1.42;
}
.case-body p{
  color:#b9cbe0;
  font-size:15px;
  line-height:1.8;
  margin-bottom:16px;
}
.case-figures{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  padding-top:14px;
  border-top:1px dashed rgba(126,180,255,.18);
}
.figure-item{min-width:110px;}
.figure-item b{
  display:block;
  font-family:"Space Grotesk","Segoe UI",sans-serif;
  font-size:20px;
  color:var(--signal);
  line-height:1.2;
}
.figure-item span{font-size:12.5px;color:var(--muted);}

/* ============ 复盘要点 2+1 ============ */
.review-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  grid-template-rows:auto auto;
  gap:22px;
}
.review-card{
  padding:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm),inset 0 1px rgba(255,255,255,.06);
  transition:transform var(--ease),border-color var(--ease);
}
.review-card:hover{transform:translateY(-3px);border-color:var(--line-gold);}
.review-card.wide{grid-row:span 2;}
.review-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:var(--gold-soft);
  background:rgba(245,182,66,.1);
  border:1px solid rgba(245,182,66,.28);
  margin-bottom:18px;
}
.review-card h3{font-size:19px;margin-bottom:10px;}
.review-card p{color:var(--muted);font-size:15px;margin:0;}
.review-card.wide p{margin-bottom:18px;}
.review-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:#b9cbe0;
  margin-bottom:10px;
}
.review-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--gold);
  opacity:.8;
}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--surface-strong);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-sm);
  margin-bottom:22px;
}
.side-card h4{
  font-size:15px;
  letter-spacing:.06em;
  margin-bottom:16px;
  color:var(--text);
}
.side-links li{margin-bottom:6px;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:44px;
  padding:0 12px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--muted);
  border:1px solid transparent;
  transition:all var(--ease);
}
.side-links a i{font-size:11px;opacity:.5;}
.side-links a:hover{
  color:var(--gold-soft);
  background:rgba(245,182,66,.08);
  border-color:rgba(245,182,66,.24);
}
.side-links a.active{
  color:var(--gold-soft);
  background:rgba(245,182,66,.1);
  border-color:rgba(245,182,66,.34);
}
.side-cta{
  background:linear-gradient(160deg,rgba(245,182,66,.16),rgba(12,29,52,.9) 62%);
  border:1px solid rgba(245,182,66,.34);
}
.side-cta h4{margin-bottom:10px;}
.side-cta p{font-size:14px;color:#c1d3e6;margin-bottom:18px;}
.side-cta .btn-gold{width:100%;min-height:46px;font-size:14.5px;}
.side-note{
  font-size:12.5px;
  color:var(--muted);
  margin-top:14px;
  line-height:1.7;
}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:340px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.faq-aside{position:sticky;top:100px;}
.faq-aside h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.faq-aside p{color:var(--muted);font-size:15px;}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0;--bs-accordion-border-radius:0;}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line)!important;
  border-radius:var(--radius-sm)!important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--line-gold)!important;
  box-shadow:0 16px 40px rgba(0,0,0,.3);
}
.accordion-button{
  background:transparent!important;
  color:var(--text)!important;
  font-size:16px;
  font-weight:600;
  padding:20px 22px;
  box-shadow:none!important;
  gap:16px;
  line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--gold-soft)!important;}
.accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--gold);
  width:auto;
  height:auto;
  transform:rotate(0deg);
  transition:transform var(--ease);
  margin-left:auto;
  flex-shrink:0;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:0 22px 22px;
  color:#b9cbe0;
  font-size:15px;
  line-height:1.85;
}

/* ============ 相关推荐 ============ */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.related-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-gold);
  box-shadow:0 26px 56px rgba(0,0,0,.4);
}
.related-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.related-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:brightness(.84) saturate(.95);
  transition:transform 500ms var(--ease);
}
.related-card:hover .related-thumb img{transform:scale(1.06);}
.related-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(8,21,40,.86) 100%);
}
.related-body{padding:20px 22px 24px;}
.related-body h3{font-size:17.5px;margin-bottom:9px;}
.related-body p{font-size:14px;color:var(--muted);margin-bottom:14px;line-height:1.75;}
.related-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--gold-soft);
}
.related-link i{transition:transform var(--ease);font-size:12px;}
.related-card:hover .related-link i{transform:translateX(4px);}

/* ============ 结尾 CTA ============ */
.cta-block{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  border:1px solid rgba(245,182,66,.28);
  background:
    radial-gradient(620px 320px at 88% 0%,rgba(245,182,66,.18),transparent 70%),
    linear-gradient(150deg,rgba(15,36,60,.94),rgba(8,21,40,.96));
  padding:56px 52px;
  box-shadow:var(--shadow);
}
.cta-block h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;max-width:720px;}
.cta-block p{color:#c1d3e6;max-width:640px;font-size:16px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:40px;
  align-items:center;
}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:#cfe0f2;
  margin-bottom:12px;
}
.cta-points i{color:var(--signal);margin-top:6px;font-size:12px;}

/* ============ Footer ============ */
.site-footer{
  margin-top:0;
  padding:64px 0 26px;
  background:linear-gradient(180deg,rgba(6,14,26,.2),rgba(4,9,17,.95));
  border-top:1px solid var(--line);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{align-items:flex-start;padding:0;margin-bottom:16px;}
.footer-brand .brand-sub{text-indent:0;letter-spacing:.34em;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.8;max-width:330px;margin:0;}
.footer-col h4{
  font-size:13.5px;
  letter-spacing:.12em;
  color:var(--text);
  margin-bottom:16px;
  font-weight:700;
}
.footer-col li{margin-bottom:4px;}
.footer-col a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:14px;
  color:var(--muted);
}
.footer-col a:hover{color:var(--gold-soft);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:var(--muted);
}

/* 浮动 CTA */
.float-cta{
  position:fixed;
  right:26px;
  bottom:26px;
  z-index:55;
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:50px;
  padding:0 22px;
  border-radius:var(--pill);
  font-size:14.5px;
  font-weight:700;
  color:#101a26;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  box-shadow:0 16px 40px rgba(245,182,66,.36);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#101a26;}

/* 返回顶部 */
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  min-height:44px;
}
.to-top:hover{color:var(--gold-soft);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
  .nav-left,.nav-right{gap:15px;}
  .site-header .nav-link{font-size:13.5px;}
  .case-card{grid-template-columns:190px minmax(0,1fr);}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{grid-template-columns:1fr auto;height:68px;}
  .brand{align-items:flex-start;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:10px;}
  .section{padding:68px 0;}
  .page-hero{padding:48px 0 44px;}
  .stats-band{grid-template-columns:repeat(2,1fr);}
  .layout{grid-template-columns:1fr;}
  .side-col{position:static;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:1fr;grid-template-rows:auto;}
  .review-card.wide{grid-row:auto;}
  .cta-grid{grid-template-columns:1fr;gap:26px;}
  .cta-block{padding:38px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .case-card{grid-template-columns:1fr;}
  .case-media{aspect-ratio:16/9;min-height:0;}
  .case-media::after{background:linear-gradient(180deg,transparent 40%,rgba(15,36,60,.92) 100%);}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container-x{padding:0 18px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%;}
  .stats-band{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-num{font-size:24px;}
  .related-grid{grid-template-columns:1fr;}
  .timeline{padding-left:24px;}
  .tl-item::before{left:-24px;width:14px;height:14px;}
  .case-body{padding:20px 18px;}
  .case-figures{gap:16px;}
  .float-cta{
    right:0;
    left:0;
    bottom:0;
    border-radius:0;
    justify-content:center;
    min-height:56px;
    width:100%;
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0);}
  .footer-grid{grid-template-columns:1fr;gap:20px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .accordion-button{font-size:15px;padding:17px 18px;}
  .accordion-body{padding:0 18px 18px;font-size:14.5px;}
  .cta-block{padding:32px 20px;border-radius:20px;}
  .site-footer{padding-bottom:80px;}
}
@media (max-width:479px){
  .brand-main{font-size:15.5px;letter-spacing:.03em;}
  .brand-sub{letter-spacing:.3em;}
  .hero-chips .chip{font-size:12px;padding:7px 13px;}
  .stat-item{padding:16px;}
  .stat-num{font-size:21px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category7 */
:root{
  --bg-0:#050a12;
  --bg-1:#081528;
  --bg-2:#0c1d34;
  --surface:rgba(13,31,52,.58);
  --surface-strong:rgba(15,36,60,.86);
  --text:#eaf4ff;
  --muted:#9bb0c9;
  --gold:#f5b642;
  --gold-soft:#ffd27a;
  --signal:#42e6c9;
  --coral:#ff6f8b;
  --line:rgba(126,180,255,.16);
  --line-gold:rgba(245,182,66,.48);
  --shadow:0 24px 70px rgba(0,0,0,.38);
  --shadow-sm:0 12px 32px rgba(0,0,0,.28);
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --container:1240px;
  --ease:200ms ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(900px 620px at 14% -6%,rgba(245,182,66,.16),transparent 62%),
    radial-gradient(760px 560px at 88% 8%,rgba(66,230,201,.10),transparent 60%),
    radial-gradient(900px 700px at 50% 100%,rgba(255,111,139,.07),transparent 65%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 42%,var(--bg-2) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(126,180,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,180,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,rgba(0,0,0,.35) 62%,transparent 100%);
}
a{color:var(--gold-soft);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--gold);}
img{max-width:100%;display:block;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(245,182,66,.32);color:#fff;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,18,.62);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,10,18,.92);
  box-shadow:0 14px 40px rgba(0,0,0,.42);
}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:76px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:20px;}
.nav-left{justify-content:flex-end;}
.nav-right{justify-content:flex-start;}
.nav-link{
  position:relative;
  font-size:14.5px;color:var(--muted);padding:8px 2px;white-space:nowrap;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:2px;right:2px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  transform:scaleX(0);transform-origin:left;transition:transform 220ms ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--gold-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--gold);}
.nav-link.active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(245,182,66,.7);}
.brand{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:6px 18px;border-radius:16px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(245,182,66,.14),rgba(13,31,52,.5));
  box-shadow:inset 0 1px rgba(255,255,255,.08);
  line-height:1.15;
}
.brand-main{font-size:19px;font-weight:700;color:#fff;letter-spacing:1px;}
.brand-sub{font-size:11px;letter-spacing:3px;color:var(--gold);margin-top:2px;}
.brand:hover .brand-main{color:var(--gold-soft);}
.nav-cta{
  font-size:14px;padding:10px 20px;border-radius:var(--pill);white-space:nowrap;
}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  color:#1a1206;font-weight:700;border:none;border-radius:var(--pill);
  box-shadow:0 12px 30px rgba(245,182,66,.28);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  cursor:pointer;
}
.btn-gold:hover{color:#120c03;transform:translateY(-2px);box-shadow:0 18px 40px rgba(245,182,66,.4);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--pill);
  border:1px solid rgba(66,230,201,.45);
  background:rgba(66,230,201,.08);
  color:var(--signal);font-weight:600;
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.btn-ghost:hover{color:#0b1a1a;background:var(--signal);border-color:var(--signal);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface);color:var(--gold);
  align-items:center;justify-content:center;font-size:18px;
}
.mobile-menu{
  background:linear-gradient(180deg,rgba(8,21,40,.98),rgba(5,10,18,.99));
  color:var(--text);border-left:1px solid var(--line);width:min(88vw,360px);
}
.mobile-menu .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.mobile-menu .offcanvas-body{padding:18px 20px 28px;}
.m-group-title{font-size:12px;letter-spacing:2px;color:var(--muted);margin:18px 0 8px;}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 14px;border-radius:12px;
  color:var(--text);font-size:15.5px;border:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.m-link:hover,.m-link.active{background:rgba(245,182,66,.1);border-color:var(--line-gold);color:var(--gold-soft);}
.m-link i{font-size:12px;color:var(--muted);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:74px 0 64px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(90deg,rgba(5,10,18,.94) 0%,rgba(5,10,18,.86) 46%,rgba(5,10,18,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(245,182,66,.24),transparent 68%);
  pointer-events:none;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:22px;position:relative;z-index:1;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--gold-soft);}
.crumbs span.sep{opacity:.5;}
.crumbs .now{color:var(--gold-soft);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  font-size:13px;color:var(--signal);
  border:1px solid rgba(66,230,201,.4);
  background:rgba(66,230,201,.08);
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(32px,4.4vw,56px);
  letter-spacing:.5px;
  max-width:14em;
  position:relative;z-index:1;
}
.page-hero h1 em{
  font-style:normal;display:block;font-size:clamp(20px,2.4vw,28px);
  color:var(--gold);font-weight:600;margin-top:12px;letter-spacing:1px;
}
.hero-lead{
  margin-top:20px;max-width:44em;color:#c6d7ea;font-size:16.5px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;
}
.metric-chip{
  padding:12px 18px;border-radius:16px;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:inset 0 1px rgba(255,255,255,.07);
  min-width:150px;
}
.metric-chip b{display:block;font-size:20px;color:var(--gold-soft);letter-spacing:.5px;}
.metric-chip span{font-size:13px;color:var(--muted);}

/* ---------- layout ---------- */
.page-main{padding:72px 0 40px;position:relative;z-index:1;}
.section-block{margin-bottom:64px;}
.section-head{margin-bottom:26px;}
.section-head .kicker{
  font-size:12.5px;letter-spacing:3px;color:var(--gold);margin-bottom:10px;font-weight:600;
}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin-top:12px;color:var(--muted);max-width:46em;font-size:15.5px;}

.card-glass{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm),inset 0 1px rgba(255,255,255,.07);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card-glass:hover{transform:translateY(-3px);border-color:var(--line-gold);box-shadow:var(--shadow);}

/* plan cards */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.plan-card{
  padding:28px 24px;display:flex;flex-direction:column;position:relative;overflow:hidden;
}
.plan-card .plan-name{font-size:20px;font-weight:700;}
.plan-card .plan-for{font-size:13.5px;color:var(--muted);margin-top:6px;min-height:44px;}
.plan-price{
  margin:16px 0 4px;font-size:30px;font-weight:700;color:var(--gold-soft);letter-spacing:.5px;
  font-family:"Space Grotesk",system-ui,sans-serif;
}
.plan-price small{font-size:13px;color:var(--muted);font-weight:400;margin-left:6px;letter-spacing:0;}
.plan-list{margin:18px 0 26px;display:grid;gap:10px;}
.plan-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:#c9daec;line-height:1.7;
}
.plan-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  box-shadow:0 0 10px rgba(245,182,66,.5);
}
.plan-card .plan-cta{margin-top:auto;}
.plan-card.recommended{
  border-color:var(--line-gold);
  background:linear-gradient(180deg,rgba(245,182,66,.14),var(--surface-strong));
  box-shadow:0 24px 60px rgba(245,182,66,.18),inset 0 1px rgba(255,255,255,.1);
}
.plan-badge{
  position:absolute;right:18px;top:18px;
  font-size:12px;padding:4px 12px;border-radius:var(--pill);
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));color:#1a1206;font-weight:700;
}

/* steps */
.steps{display:grid;gap:16px;}
.step-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;
  padding:22px 24px;
}
.step-num{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-family:"Space Grotesk",system-ui,sans-serif;font-size:19px;font-weight:700;
  color:var(--gold-soft);
  background:rgba(245,182,66,.12);
  border:1px solid var(--line-gold);
}
.step-item h3{font-size:18px;margin-bottom:6px;}
.step-item p{font-size:14.8px;color:var(--muted);line-height:1.8;}
.step-meta{margin-top:10px;font-size:12.8px;color:var(--signal);}

/* checklist */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.check-item{padding:20px 22px;display:flex;gap:14px;align-items:flex-start;}
.check-item i{color:var(--signal);font-size:16px;margin-top:5px;}
.check-item h4{font-size:16px;margin-bottom:4px;}
.check-item p{font-size:14px;color:var(--muted);line-height:1.75;}

/* sidebar */
.side-card{padding:24px 22px;margin-bottom:22px;}
.side-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--gold);font-size:14px;}
.side-links{display:grid;gap:6px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:0 12px;border-radius:12px;
  font-size:14.5px;color:#c9daec;border:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.side-links a i{font-size:11px;color:var(--muted);transition:transform var(--ease),color var(--ease);}
.side-links a:hover{background:rgba(245,182,66,.1);border-color:var(--line-gold);color:var(--gold-soft);}
.side-links a:hover i{transform:translateX(3px);color:var(--gold);}
.side-cta{padding:0;overflow:hidden;}
.side-cta img{width:100%;height:150px;object-fit:cover;opacity:.86;}
.side-cta-body{padding:20px 22px 24px;}
.side-cta-body h3{font-size:17px;margin-bottom:8px;}
.side-cta-body p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;}

/* faq */
.faq-wrap{padding:8px 6px;}
.accordion-item{
  background:var(--surface-strong);
  border:1px solid var(--line);
  border-radius:16px !important;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--line-gold);
  box-shadow:0 16px 40px rgba(0,0,0,.3);
}
.accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;font-weight:600;
  padding:20px 54px 20px 22px;
  box-shadow:none !important;
  border-radius:16px !important;
}
.accordion-button:not(.collapsed){color:var(--gold-soft);background:rgba(245,182,66,.07);}
.accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--gold);
  width:auto;height:auto;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  transition:transform 220ms ease;
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg);}
.accordion-button:focus{outline:2px solid var(--signal);outline-offset:-3px;}
.accordion-body{
  padding:0 22px 22px;color:var(--muted);font-size:14.8px;line-height:1.85;
}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.related-card{overflow:hidden;display:flex;flex-direction:column;}
.related-card img{width:100%;height:168px;object-fit:cover;opacity:.9;transition:transform 260ms ease;}
.related-card:hover img{transform:scale(1.04);}
.related-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;padding:4px 11px;border-radius:var(--pill);
  color:var(--signal);border:1px solid rgba(66,230,201,.36);
  background:rgba(66,230,201,.08);margin-bottom:12px;
}
.related-body h3{font-size:17px;margin-bottom:8px;line-height:1.45;}
.related-body p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.link-more{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--gold-soft);
  display:inline-flex;align-items:center;gap:8px;
}
.link-more i{transition:transform var(--ease);font-size:12px;}
.link-more:hover i{transform:translateX(4px);}

/* contact */
.contact-card{
  padding:36px;display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;
  background:linear-gradient(150deg,rgba(245,182,66,.14),var(--surface-strong));
  border:1px solid var(--line-gold);
}
.contact-card h2{font-size:clamp(23px,2.8vw,31px);margin-bottom:14px;}
.contact-card p{color:#c9daec;font-size:15.5px;line-height:1.85;}
.contact-points{display:grid;gap:10px;margin-top:20px;}
.contact-points li{font-size:14.5px;color:var(--muted);display:flex;gap:10px;align-items:flex-start;}
.contact-points i{color:var(--gold);margin-top:6px;font-size:12px;}
.contact-actions{display:flex;flex-direction:column;gap:12px;}

/* float cta */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:1020;
  padding:14px 24px;border-radius:var(--pill);
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));
  color:#1a1206;font-weight:700;font-size:14.5px;
  box-shadow:0 18px 44px rgba(245,182,66,.36);
  display:inline-flex;align-items:center;gap:9px;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity 220ms ease,transform 220ms ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{color:#120c03;}

/* footer */
.site-footer{
  margin-top:60px;position:relative;z-index:1;
  background:rgba(4,9,16,.78);
  border-top:1px solid var(--line);
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand{align-items:flex-start;padding:0;border:none;background:none;box-shadow:none;}
.footer-brand .brand-main{font-size:20px;}
.footer-brand .brand-sub{letter-spacing:3px;color:var(--gold);}
.footer-brand p{margin-top:16px;font-size:14.2px;color:var(--muted);line-height:1.85;max-width:30em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--gold-soft);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* responsive */
@media (max-width:1199.98px){
  .nav-left,.nav-right{gap:14px;}
  .nav-link{font-size:13.5px;}
  .brand-main{font-size:17px;}
}
@media (max-width:991.98px){
  .nav-left,.nav-right{display:none;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:70px;}
  .brand{justify-self:center;}
  .nav-toggle{display:inline-flex;grid-column:3;}
  .page-hero{padding:56px 0 48px;}
  .plan-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .check-grid{grid-template-columns:1fr;}
  .contact-card{grid-template-columns:1fr;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;padding-bottom:70px;}
  .container-x{padding:0 18px;}
  .page-main{padding:52px 0 24px;}
  .section-block{margin-bottom:46px;}
  .step-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .step-num{width:44px;height:44px;font-size:16px;}
  .related-grid{grid-template-columns:1fr;}
  .hero-metrics{gap:10px;}
  .metric-chip{flex:1 1 140px;min-width:0;padding:10px 14px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    padding:16px 20px;
    transform:translateY(0);opacity:1;pointer-events:auto;
    box-shadow:0 -12px 34px rgba(0,0,0,.45);
  }
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:479.98px){
  .page-hero h1{font-size:30px;}
  .page-hero h1 em{font-size:18px;}
  .brand-main{font-size:15.5px;letter-spacing:.5px;}
  .brand-sub{letter-spacing:2px;font-size:10px;}
  .plan-card{padding:22px 18px;}
  .contact-card{padding:22px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}