/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252b52;
  --ink-deep:#141833;
  --gold:#ffb400;
  --gold-deep:#e59c00;
  --gold-light:#ffd166;
  --bg:#f6f7fb;
  --bg-alt:#eef1f9;
  --surface:#ffffff;
  --text:#1c2033;
  --muted:#6b7185;
  --line:#e5e8f2;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 8px rgba(26,31,61,.06);
  --shadow:0 10px 30px rgba(26,31,61,.10);
  --container:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:44px 0}
.section--dark{background:linear-gradient(180deg,#1a1f3d 0%,#232a52 100%);color:#fff}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:#b9c0dc}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-kicker{
  display:inline-block;
  font-size:12px;
  letter-spacing:2px;
  font-weight:800;
  color:#b98900;
  background:#fff4d6;
  padding:5px 12px;
  border-radius:999px;
  margin-bottom:14px;
}
.section--dark .sec-kicker{background:rgba(255,180,0,.16);color:var(--gold-light)}
.sec-title{font-size:clamp(22px,3vw,32px);line-height:1.35;font-weight:800;letter-spacing:.4px}
.sec-desc{margin-top:12px;font-size:15px;color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:11px;font-weight:700;font-size:15px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  will-change:transform;
}
.btn--gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;box-shadow:0 8px 20px rgba(255,180,0,.35)}
.btn--gold:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(255,180,0,.45)}
.btn--gold:active{transform:translateY(0)}
.btn--ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn--outline{border:1px solid var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.btn--outline:hover{border-color:rgba(255,180,0,.7);color:#8a6400;transform:translateY(-3px)}
.empty-tip{padding:22px;border:1px dashed var(--line);border-radius:var(--radius);background:#fff;color:var(--muted);font-size:14px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#171c38,#1a1f3d);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 26px rgba(10,13,30,.22);
}
.nav-shell{
  max-width:var(--container);margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;flex:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#231a00;display:grid;place-items:center;font-weight:900;font-size:15px;
  box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{line-height:1.25}
.brand-text b{font-size:16px;letter-spacing:.4px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#9aa3c7;letter-spacing:1.4px}
.nav-list{display:flex;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
  display:inline-block;padding:9px 16px;border-radius:11px;font-size:15px;
  color:#c3cae4;white-space:nowrap;transition:background .2s,color .2s,transform .2s;
}
.nav-list a:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateY(-1px)}
.nav-list a.is-active{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#231a00;font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28);
}
.nav-cta{
  flex:none;padding:10px 20px;border-radius:11px;font-size:14px;font-weight:800;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#231a00;
  box-shadow:0 6px 18px rgba(255,180,0,.32);transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,180,0,.45)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate;background:#1a1f3d;color:#fff;padding:54px 0 64px}
.hero-media{position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.34}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(255,180,0,.22),transparent 62%),
    radial-gradient(700px 400px at 92% 18%,rgba(88,110,255,.24),transparent 60%),
    linear-gradient(180deg,rgba(18,22,44,.62),rgba(18,22,44,.96));
}
.hero-status{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 15px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#d5dbf0;
}
.dot{width:8px;height:8px;border-radius:50%;background:#3ee08a;box-shadow:0 0 0 4px rgba(62,224,138,.18)}
.hero-title{
  font-size:clamp(28px,4.6vw,46px);line-height:1.28;font-weight:900;
  letter-spacing:.6px;margin:18px 0 14px;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,var(--gold-light),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:880px;color:#c7cde5;font-size:16px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 36px}
.icon-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.matrix-item{
  display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  transition:background .25s,transform .25s,border-color .25s;
}
.matrix-item:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);border-color:rgba(255,180,0,.5)}
.matrix-icon{
  width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;
}
.matrix-item h3{font-size:15px;line-height:1.4;margin-bottom:3px;color:#fff}
.matrix-item p{font-size:13px;line-height:1.6;color:#b6bddb}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.stat-num{
  display:block;font-size:32px;font-weight:900;line-height:1.15;
  background:linear-gradient(135deg,#ffb400,#e07800);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* ---------- gateway ---------- */
.gateway{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.gateway-card{
  display:block;padding:26px 22px;border-radius:var(--radius-lg);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.gateway-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.62);box-shadow:0 16px 34px rgba(26,31,61,.14)}
.gateway-num{font-size:12px;font-weight:900;letter-spacing:2.5px;color:#b98900}
.gateway-card h3{font-size:19px;margin:8px 0 8px}
.gateway-card p{font-size:14px;color:var(--muted)}
.gateway-more{display:inline-block;margin-top:15px;font-size:13px;font-weight:800;color:var(--ink)}
.gateway-card:hover .gateway-more{color:#b98900}

/* ---------- feed ---------- */
.feed{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);gap:28px;align-items:start}
.feed-item{
  display:block;padding:18px 22px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;margin-bottom:14px;box-shadow:var(--shadow-sm);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.feed-item:hover{transform:translateX(3px);border-color:rgba(255,180,0,.62);box-shadow:0 12px 26px rgba(26,31,61,.11)}
.feed-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.feed-tag{background:#fff4d6;color:#8a6400;padding:2px 11px;border-radius:999px;font-weight:800}
.feed-item h3{font-size:17px;line-height:1.5;margin:9px 0 6px}
.feed-item p{font-size:14px;color:var(--muted)}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 22px;box-shadow:var(--shadow-sm)}
.side-panel h3{font-size:16px;margin-bottom:6px}
.side-panel .side-hint{font-size:13px;color:var(--muted);margin-bottom:10px}
.side-item{display:block;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;line-height:1.55;transition:color .2s}
.side-item:last-child{border-bottom:0}
.side-item:hover{color:#b98900}
.side-item span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.side-cover{margin-top:16px;border-radius:var(--radius);overflow:hidden}
.side-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.side-cover:hover img{transform:scale(1.05)}

/* ---------- category ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cat-card{
  display:block;overflow:hidden;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.cat-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.6);box-shadow:0 18px 36px rgba(0,0,0,.36)}
.cat-thumb{aspect-ratio:16/9;overflow:hidden}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cat-card:hover .cat-thumb img{transform:scale(1.06)}
.cat-body{padding:18px 20px 22px}
.cat-body h3{font-size:18px;color:#fff;margin-bottom:6px}
.cat-body p{font-size:13px;color:#b6bddb}
.cat-body .cat-link{display:inline-block;margin-top:12px;font-size:13px;font-weight:800;color:var(--gold-light)}

/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.feature-card h3{font-size:16px;margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--muted)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.flow-step{
  padding:24px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.flow-step::before{
  content:counter(step,decimal-leading-zero);counter-increment:step;
  display:block;font-size:26px;font-weight:900;line-height:1;margin-bottom:12px;
  color:rgba(229,156,0,.55);
}
.flow-step h3{font-size:16px;margin-bottom:6px}
.flow-step p{font-size:14px;color:var(--muted)}

/* ---------- rate ---------- */
.rate-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.rate-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.rate-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.rate-name{font-size:13px;font-weight:900;letter-spacing:1.5px;color:#b98900}
.rate-score{display:block;font-size:24px;font-weight:900;color:var(--ink);margin:8px 0 4px}
.rate-freq{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}
.rate-card p{font-size:14px;color:var(--muted)}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .28s,box-shadow .28s;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case-card figure{aspect-ratio:16/10;margin:0;overflow:hidden}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover img{transform:scale(1.05)}
.case-body{padding:18px 20px 22px}
.case-score{font-size:12px;font-weight:900;letter-spacing:1.4px;color:#b98900}
.case-body h3{font-size:17px;margin:7px 0 8px}
.case-body p{font-size:14px;color:var(--muted)}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.voice-card p{font-size:14px;color:#3a4058}
.voice-user{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--muted)}
.avatar{
  width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,#2a3057,#1a1f3d);color:var(--gold-light);font-weight:900;font-size:13px;
}

/* ---------- logs ---------- */
.log-list{display:grid;gap:14px}
.log-item{
  display:grid;grid-template-columns:120px minmax(0,1fr);gap:18px;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-sm);
}
.log-date{font-size:13px;font-weight:900;color:#b98900;letter-spacing:.5px}
.log-item h3{font-size:16px;margin-bottom:4px}
.log-item p{font-size:14px;color:var(--muted)}

/* ---------- devices ---------- */
.device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.device-card h3{font-size:16px;margin-bottom:8px}
.device-card p{font-size:14px;color:var(--muted)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-badge{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:11px;background:#fff4d6;color:#8a6400;font-weight:900;margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* ---------- tags ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag{
  padding:9px 19px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:#3a4058;box-shadow:var(--shadow-sm);
  transition:transform .22s,border-color .22s,background .22s,color .22s;
}
.tag:hover{transform:translateY(-2px);border-color:var(--gold);background:#fff8e6;color:#8a6400}

/* ---------- guarantee ---------- */
.guarantee{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.g-item{
  padding:24px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:background .25s,border-color .25s,transform .25s;
}
.g-item:hover{background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.5);transform:translateY(-4px)}
.g-icon{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;
}
.g-item h3{font-size:16px;color:#fff;margin:12px 0 6px}
.g-item p{font-size:13px;color:#b6bddb}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0 22px;box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(255,180,0,.62);box-shadow:0 12px 26px rgba(26,31,61,.10)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;font-weight:800;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:900;color:var(--gold);line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 20px;font-size:14px;color:var(--muted)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:46px 38px;color:#fff;
  background:linear-gradient(120deg,#1a1f3d 0%,#2b3266 100%);
  box-shadow:0 22px 44px rgba(26,31,61,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.36),transparent 70%);
}
.cta-inner{position:relative;z-index:2;max-width:720px}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);line-height:1.4;margin-bottom:12px}
.cta-band p{color:#c7cde5;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:#aab2d3;padding:54px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:18px;font-weight:900;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:14px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:#aab2d3;transition:color .2s,padding-left .2s}
.footer-col a:hover{color:var(--gold-light);padding-left:4px}
.footer-note{font-size:14px;line-height:1.8;color:#8d96b8;max-width:420px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7f88ad;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .section{padding:54px 0}
  .stats,.feature-grid,.flow,.rate-grid,.guarantee{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gateway,.cat-grid,.case-grid,.voice-grid,.device-grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .icon-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feed{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-cta{display:none}
  .brand-text small{display:none}
  .nav-shell{padding:10px 16px;gap:10px}
  .nav-list a{font-size:14px;padding:8px 13px}
}
@media (max-width:768px){
  .section{padding:46px 0}
  .hero{padding:42px 0 50px}
  .hero-lead{font-size:15px}
  .cta-band{padding:34px 24px}
  .log-item{grid-template-columns:1fr;gap:6px}
  .sec-head{margin-bottom:26px}
}
@media (max-width:560px){
  .stats,.feature-grid,.flow,.rate-grid,.guarantee,
  .gateway,.cat-grid,.case-grid,.voice-grid,.device-grid,.steps,
  .icon-matrix{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .brand-text b{font-size:15px}
  .stat-num{font-size:28px}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252b52;
 --ink-deep:#141833;
 --gold:#ffb400;
 --gold-deep:#e59c00;
 --gold-light:#ffd166;
 --bg:#f6f7fb;
 --bg-alt:#eef1f9;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#6b7185;
 --line:#e5e8f2;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 8px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.10);
 --container:1180px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
 color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,180,0,.8);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:11px;font-weight:700;font-size:15px;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
 will-change:transform;
}
.btn--gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;box-shadow:0 8px 20px rgba(255,180,0,.35)}
.btn--gold:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(255,180,0,.45)}
.btn--gold:active{transform:translateY(0)}
.btn--ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn--outline{border:1px solid var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.btn--outline:hover{border-color:rgba(255,180,0,.7);color:#8a6400;transform:translateY(-3px)}

/* ---------- 头部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#171c38,#1a1f3d);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 10px 26px rgba(10,13,30,.22);
}
.nav-shell{
 max-width:var(--container);margin:0 auto;padding:12px 20px;
 display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;flex:none}
.brand-mark{
 width:40px;height:40px;border-radius:12px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 color:#231a00;display:grid;place-items:center;font-weight:900;font-size:15px;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{line-height:1.25}
.brand-text b{font-size:16px;letter-spacing:.4px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#9aa3c7;letter-spacing:1.4px}
.nav-list{display:flex;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
 display:inline-block;padding:9px 16px;border-radius:11px;font-size:15px;
 color:#c3cae4;white-space:nowrap;transition:background .2s,color .2s,transform .2s;
}
.nav-list a:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateY(-1px)}
.nav-list a.is-active{
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 color:#231a00;font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28);
}
.nav-cta{
 flex:none;padding:10px 20px;border-radius:11px;font-size:14px;font-weight:800;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#231a00;
 box-shadow:0 6px 18px rgba(255,180,0,.32);transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,180,0,.45)}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:44px 0}
.sec-head{max-width:780px;margin-bottom:34px}
.sec-kicker{
 display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;font-weight:700;
 color:#8a6400;background:rgba(255,180,0,.16);letter-spacing:.6px;
}
.sec-title{font-size:clamp(22px,3vw,32px);line-height:1.35;font-weight:800;letter-spacing:.4px;margin:14px 0 10px;color:var(--ink)}
.sec-desc{color:var(--muted);font-size:15.5px}

/* ---------- 文章首屏 ---------- */
.article-hero{position:relative;overflow:hidden;isolation:isolate;background:#1a1f3d;color:#fff;padding:42px 0 56px}
.hero-media{position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.3}
.hero-veil{
 position:absolute;inset:0;z-index:-1;
 background:
 radial-gradient(880px 420px at 10% 0%,rgba(255,180,0,.22),transparent 62%),
 radial-gradient(700px 400px at 94% 16%,rgba(88,110,255,.26),transparent 60%),
 linear-gradient(180deg,rgba(18,22,44,.62),rgba(18,22,44,.96));
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#a9b2d4;margin-bottom:20px}
.crumb a{color:#cfd6ef;transition:color .2s}
.crumb a:hover{color:var(--gold-light)}
.crumb span.sep{color:#5d6690}
.article-title{
 font-size:clamp(26px,4vw,42px);line-height:1.32;font-weight:900;letter-spacing:.5px;
 margin:0 0 20px;max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px}
.meta-chip{
 display:inline-flex;align-items:center;gap:7px;
 padding:7px 15px;border-radius:999px;font-size:13px;color:#cdd4ee;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
.meta-chip--gold{
 background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;
 border-color:transparent;font-weight:800;
}

/* ---------- 正文 ---------- */
.article-shell{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow);padding:clamp(22px,4vw,52px);
}
.article-body{font-size:17px;line-height:1.95;color:#2a3049;max-width:920px}
.article-body h2{
 font-size:clamp(20px,2.4vw,26px);font-weight:800;line-height:1.45;
 margin:40px 0 14px;padding-left:14px;border-left:4px solid var(--gold);color:var(--ink);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:18px;font-weight:800;margin:26px 0 10px;color:var(--ink-soft)}
.article-body h4{font-size:16px;font-weight:800;margin:20px 0 8px;color:var(--ink-soft)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:7px 0}
.article-body a{color:var(--gold-deep);border-bottom:1px solid rgba(255,180,0,.45);transition:color .2s}
.article-body a:hover{color:var(--gold)}
.article-body strong{color:var(--ink)}
.article-body blockquote{
 margin:22px 0;padding:16px 22px;border-left:4px solid var(--gold);
 background:#fff8e6;border-radius:0 var(--radius) var(--radius) 0;color:#5c4a10;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:20px 0;box-shadow:var(--shadow-sm)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--bg-alt);font-weight:800;color:var(--ink)}
.article-body code{background:var(--bg-alt);padding:2px 7px;border-radius:6px;font-size:14px;color:#8a6400}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}

/* ---------- 空状态 ---------- */
.article-empty{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow);padding:64px 28px;text-align:center;
}
.article-empty h1{font-size:clamp(22px,3vw,30px);font-weight:900;color:var(--ink);margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:26px;max-width:520px;margin-left:auto;margin-right:auto}

/* ---------- 数据卡 ---------- */
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fact-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.fact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.fact-num{
 font-size:clamp(24px,3vw,32px);font-weight:900;line-height:1.2;letter-spacing:.5px;
 background:linear-gradient(120deg,#e59c00,#ffb400);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.fact-label{font-size:14px;font-weight:700;color:var(--ink);margin-top:8px}
.fact-note{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.6}

/* ---------- 拆解卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.solid-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 24px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .28s,box-shadow .28s,border-color .28s;
}
.solid-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.6);box-shadow:0 16px 34px rgba(26,31,61,.14)}
.card-tag{
 display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:800;
 background:rgba(26,31,61,.06);color:#4a5274;letter-spacing:.5px;margin-bottom:14px;
}
.solid-card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.5}
.solid-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.solid-card .mini-list{margin-top:14px}
.solid-card .mini-list li{
 position:relative;padding-left:18px;font-size:14px;color:#4d5470;line-height:1.85;margin:6px 0;
}
.solid-card .mini-list li::before{
 content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:30px;max-width:860px}
.timeline::before{
 content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--gold),rgba(255,180,0,.12));
}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-28px;top:8px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.16);
}
.tl-batch{font-size:12.5px;font-weight:800;letter-spacing:1px;color:var(--gold-deep);text-transform:uppercase}
.tl-title{font-size:17px;font-weight:800;color:var(--ink);margin:4px 0 6px}
.tl-desc{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden;
 transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:0 10px 26px rgba(26,31,61,.10)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 52px 17px 20px;font-weight:800;
 color:var(--ink);font-size:15.5px;line-height:1.6;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:800;color:var(--gold-deep);line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-answer{padding:0 20px 18px;color:var(--muted);font-size:14.5px;line-height:1.9}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(135deg,#1a1f3d,#2a3260);
 border-radius:var(--radius-lg);padding:clamp(28px,4vw,46px);
 color:#fff;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
 box-shadow:0 18px 44px rgba(20,24,51,.28);
}
.cta-band::after{
 content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);pointer-events:none;
}
.cta-band h3{font-size:clamp(20px,2.6vw,26px);font-weight:900;line-height:1.4;margin-bottom:8px}
.cta-band p{color:#b9c0dc;font-size:14.5px;max-width:600px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:#141833;color:#a9b2d4;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-note{font-size:14px;line-height:1.9;color:#8f98bd;max-width:520px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col a{display:block;font-size:14px;color:#8f98bd;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{
 margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#7b84a8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .fact-grid{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .nav-shell{padding:11px 18px}
}
@media (max-width:768px){
 .section{padding:46px 0}
 .section--tight{padding:34px 0}
 .grid-3,.grid-2{grid-template-columns:1fr}
 .article-hero{padding:30px 0 42px}
 .article-shell{padding:22px 18px}
 .article-body{font-size:16px;line-height:1.9}
 .nav-list{order:3;width:100%;flex:none;padding-bottom:2px}
 .nav-cta{margin-left:auto}
 .footer-grid{grid-template-columns:1fr}
 .cta-band{padding:26px 22px}
}
@media (max-width:520px){
 .fact-grid{grid-template-columns:1fr}
 .brand-text small{display:none}
 .brand-text b{font-size:15px}
 .nav-list a{font-size:14px;padding:8px 13px}
 .nav-cta{padding:9px 15px;font-size:13px}
 .article-meta{gap:8px}
 .meta-chip{font-size:12px;padding:6px 12px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .btn{width:100%}
 .cta-actions{width:100%}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252b52;
 --ink-deep:#141833;
 --gold:#ffb400;
 --gold-deep:#e59c00;
 --gold-light:#ffd166;
 --bg:#f6f7fb;
 --bg-alt:#eef1f9;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#6b7185;
 --line:#e5e8f2;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 8px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.10);
 --container:1180px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:44px 0}
.section--dark{background:linear-gradient(180deg,#1a1f3d 0%,#232a52 100%);color:#fff}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:#b9c0dc}
.section--dark .sec-kicker{background:rgba(255,180,0,.16);color:var(--gold-light)}
.sec-head{max-width:840px;margin-bottom:36px}
.sec-kicker{
 display:inline-block;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
 background:rgba(255,180,0,.14);color:#8a6400;letter-spacing:.6px;margin-bottom:14px;
}
.sec-title{font-size:clamp(22px,3vw,32px);line-height:1.35;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15.5px}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:11px;font-weight:700;font-size:15px;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
 will-change:transform;
}
.btn--gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;box-shadow:0 8px 20px rgba(255,180,0,.35)}
.btn--gold:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(255,180,0,.45)}
.btn--gold:active{transform:translateY(0)}
.btn--ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn--outline{border:1px solid var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.btn--outline:hover{border-color:rgba(255,180,0,.7);color:#8a6400;transform:translateY(-3px)}

/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#171c38,#1a1f3d);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 10px 26px rgba(10,13,30,.22);
}
.nav-shell{
 max-width:var(--container);margin:0 auto;padding:12px 20px;
 display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;flex:none}
.brand-mark{
 width:40px;height:40px;border-radius:12px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 color:#231a00;display:grid;place-items:center;font-weight:900;font-size:15px;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{line-height:1.25}
.brand-text b{font-size:16px;letter-spacing:.4px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#9aa3c7;letter-spacing:1.4px}
.nav-list{display:flex;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
 display:inline-block;padding:9px 16px;border-radius:11px;font-size:15px;
 color:#c3cae4;white-space:nowrap;transition:background .2s,color .2s,transform .2s;
}
.nav-list a:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateY(-1px)}
.nav-list a.is-active{
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 color:#231a00;font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28);
}
.nav-cta{
 flex:none;padding:10px 20px;border-radius:11px;font-size:14px;font-weight:800;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#231a00;
 box-shadow:0 6px 18px rgba(255,180,0,.32);transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,180,0,.45)}

/* ---------- 内页 hero ---------- */
.hero-inner{position:relative;overflow:hidden;isolation:isolate;background:#1a1f3d;color:#fff;padding:56px 0 66px}
.hero-media{position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.30}
.hero-veil{
 position:absolute;inset:0;z-index:-1;
 background:
 radial-gradient(900px 420px at 8% 0%,rgba(255,180,0,.20),transparent 62%),
 radial-gradient(760px 420px at 96% 22%,rgba(88,110,255,.24),transparent 60%),
 linear-gradient(180deg,rgba(18,22,44,.64),rgba(18,22,44,.96));
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:44px;align-items:center}
.hero-status{
 display:inline-flex;align-items:center;gap:10px;
 padding:7px 15px;border-radius:999px;font-size:13px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#d5dbf0;
}
.hero-title{
 font-size:clamp(27px,4.2vw,42px);line-height:1.3;font-weight:900;
 letter-spacing:.6px;margin:18px 0 14px;
}
.hero-title em{
 font-style:normal;
 background:linear-gradient(120deg,var(--gold-light),var(--gold));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:760px;color:#c7cde5;font-size:15.5px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 22px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.hero-tags li{
 font-size:13px;color:#d5dbf0;padding:6px 13px;border-radius:999px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.hero-panel{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);padding:24px;
 box-shadow:0 18px 40px rgba(9,12,28,.35);
 backdrop-filter:blur(6px);
}
.panel-head{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 font-size:14px;font-weight:800;letter-spacing:1px;color:#fff;
 padding-bottom:12px;margin-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12);
}
.panel-head span{font-size:12px;font-weight:600;color:var(--gold-light);letter-spacing:.5px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-cell{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.11);
 border-radius:12px;padding:14px 16px;transition:background .22s,transform .22s,border-color .22s;
}
.stat-cell:hover{background:rgba(255,255,255,.11);transform:translateY(-2px);border-color:rgba(255,180,0,.45)}
.stat-cell b{display:block;font-size:22px;line-height:1.25;color:var(--gold-light);font-weight:900}
.stat-cell span{display:block;font-size:12px;color:#b6bddb;margin-top:2px;letter-spacing:.4px}
.panel-note{margin-top:16px;font-size:12.5px;line-height:1.75;color:#9aa3c7}

/* ---------- 技巧卡片 ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.tip-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.tip-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.tip-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.tip-no{
 width:38px;height:38px;flex:none;border-radius:11px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 color:#241a00;display:grid;place-items:center;font-weight:900;font-size:15px;
 box-shadow:0 6px 14px rgba(255,180,0,.3);
}
.tip-card h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.45}
.tip-card p{color:var(--muted);font-size:14.5px}
.tip-list{margin-top:14px;display:grid;gap:8px}
.tip-list li{
 position:relative;padding-left:18px;font-size:14px;color:#4c5470;line-height:1.7;
}
.tip-list li::before{
 content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
}

/* ---------- 图文拆解 ---------- */
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:40px;align-items:start}
.media-figure{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow);
}
.media-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.media-figure:hover img{transform:scale(1.04)}
.media-cap{
 position:absolute;left:0;right:0;bottom:0;padding:16px 18px 14px;
 background:linear-gradient(180deg,rgba(20,24,51,0),rgba(20,24,51,.88));
 color:#e8ebf7;font-size:13px;line-height:1.6;
}
.steps{display:grid;gap:14px}
.step{
 display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.step:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.step-i{
 width:34px;height:34px;flex:none;border-radius:10px;
 background:rgba(26,31,61,.06);border:1px solid rgba(26,31,61,.08);
 color:var(--ink);display:grid;place-items:center;font-weight:900;font-size:14px;
}
.step h4{font-size:15.5px;color:var(--ink);font-weight:800;margin-bottom:4px}
.step p{font-size:14px;color:var(--muted);line-height:1.72}

/* ---------- 数据表 ---------- */
.table-wrap{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow-x:auto;
}
.data-table{width:100%;border-collapse:collapse;min-width:620px}
.data-table caption{
 text-align:left;padding:20px 22px 0;font-size:13px;color:var(--muted);
}
.data-table th,.data-table td{padding:15px 22px;text-align:left;font-size:14.5px}
.data-table thead th{
 background:linear-gradient(180deg,#20264a,#1a1f3d);color:#fff;font-weight:700;
 font-size:13.5px;letter-spacing:.6px;white-space:nowrap;
}
.data-table tbody tr{border-top:1px solid var(--line);transition:background .2s}
.data-table tbody tr:nth-child(even){background:#fafbff}
.data-table tbody tr:hover{background:rgba(255,180,0,.07)}
.data-table td strong{color:var(--ink);font-weight:800}
.data-table .val{color:#8a6400;font-weight:800;font-variant-numeric:tabular-nums}
.table-note{margin-top:16px;font-size:13.5px;color:var(--muted)}

/* ---------- 时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.tl-item{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.tl-item::before{
 content:"";position:absolute;left:20px;right:20px;top:0;height:3px;border-radius:0 0 3px 3px;
 background:linear-gradient(90deg,var(--gold-light),var(--gold));
}
.tl-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.tl-step{font-size:12px;letter-spacing:2px;color:#8a6400;font-weight:800;text-transform:uppercase}
.tl-item h4{font-size:16px;color:var(--ink);font-weight:800;margin:8px 0 6px}
.tl-item p{font-size:13.8px;color:var(--muted);line-height:1.72}

/* ---------- 对比区 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px;box-shadow:var(--shadow-sm);
}
.compare-card--good{border-top:4px solid var(--gold)}
.compare-card--bad{border-top:4px solid #4a5480}
.compare-card h3{font-size:17px;color:var(--ink);font-weight:800;margin-bottom:14px}
.compare-card li{
 position:relative;padding-left:20px;font-size:14.5px;color:#4c5470;line-height:1.75;
 margin-bottom:9px;
}
.compare-card li::before{
 content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:2px;
}
.compare-card--good li::before{background:linear-gradient(135deg,var(--gold-light),var(--gold))}
.compare-card--bad li::before{background:#c3c8d8}

/* ---------- 分类入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel-card{
 display:block;padding:26px 24px;border-radius:var(--radius-lg);background:var(--surface);
 border:1px solid var(--line);box-shadow:var(--shadow-sm);
 transition:transform .28s,box-shadow .28s,border-color .28s;
}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.62);box-shadow:0 16px 34px rgba(26,31,61,.14)}
.channel-card.is-current{border-color:rgba(255,180,0,.65);background:linear-gradient(180deg,#fffaf0,#fff)}
.channel-tag{
 display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
 background:rgba(26,31,61,.06);color:#4c5470;letter-spacing:.4px;margin-bottom:12px;
}
.channel-card.is-current .channel-tag{background:rgba(255,180,0,.18);color:#8a6400}
.channel-card h3{font-size:17px;color:var(--ink);font-weight:800;margin-bottom:8px}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.72}
.channel-more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:800;color:#8a6400}
.channel-card:hover .channel-more{color:var(--ink)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq details{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:0 22px;box-shadow:var(--shadow-sm);transition:border-color .22s,box-shadow .22s;
}
.faq details:hover{border-color:rgba(255,180,0,.45)}
.faq details[open]{border-color:rgba(255,180,0,.65);box-shadow:var(--shadow)}
.faq summary{
 list-style:none;cursor:pointer;position:relative;
 padding:18px 34px 18px 0;font-weight:800;font-size:15.5px;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:700;color:var(--gold-deep);line-height:1;
}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 0 20px;color:var(--muted);font-size:14.5px;line-height:1.8;max-width:900px}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;isolation:isolate;
 border-radius:var(--radius-lg);padding:44px;
 background:linear-gradient(135deg,#1a1f3d,#2a3168);color:#fff;
 display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
 box-shadow:var(--shadow);
}
.cta-band::before{
 content:"";position:absolute;inset:0;z-index:-1;
 background:url('/assets/images/backpic/back-7.webp') center/cover no-repeat;opacity:.16;
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:900;line-height:1.4;margin-bottom:10px}
.cta-band p{color:#c3cae4;font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#141833;color:#c3cae4;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;margin-bottom:14px;font-size:16px}
.footer-note{font-size:14px;color:#9aa3c7;line-height:1.85;max-width:520px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{display:block;font-size:14px;color:#9aa3c7;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#7f88ab;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .split{grid-template-columns:1fr;gap:28px}
 .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
 .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .cta-band{grid-template-columns:1fr;padding:36px}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .section--tight{padding:34px 0}
 .hero-inner{padding:44px 0 52px}
 .tip-grid{grid-template-columns:1fr}
 .compare{grid-template-columns:1fr}
 .channel-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .nav-shell{padding:10px 16px;gap:12px}
 .nav-list{order:3;flex:1 0 100%;padding-bottom:2px}
 .nav-cta{margin-left:auto}
 .hero-panel{padding:20px}
 .sec-head--split{align-items:flex-start}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero-title{font-size:26px}
 .hero-actions{gap:10px}
 .hero-actions .btn{flex:1 1 100%}
 .stat-grid{grid-template-columns:1fr}
 .timeline{grid-template-columns:1fr}
 .data-table th,.data-table td{padding:13px 16px;font-size:14px}
 .cta-band{padding:28px 22px}
 .brand-text b{font-size:14.5px}
 .brand-text small{font-size:10px;letter-spacing:1px}
 .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category2 */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252b52;
  --ink-deep:#141833;
  --gold:#ffb400;
  --gold-deep:#e59c00;
  --gold-light:#ffd166;
  --bg:#f6f7fb;
  --bg-alt:#eef1f9;
  --surface:#ffffff;
  --text:#1c2033;
  --muted:#6b7185;
  --line:#e5e8f2;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 8px rgba(26,31,61,.06);
  --shadow:0 10px 30px rgba(26,31,61,.10);
  --container:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(255,180,0,.7);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#171c38,#1a1f3d);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 26px rgba(10,13,30,.22);
}
.nav-shell{
  max-width:var(--container);margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;flex:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#231a00;display:grid;place-items:center;font-weight:900;font-size:15px;
  box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{line-height:1.25}
.brand-text b{font-size:16px;letter-spacing:.4px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#9aa3c7;letter-spacing:1.4px}
.nav-list{display:flex;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
  display:inline-block;padding:9px 16px;border-radius:11px;font-size:15px;
  color:#c3cae4;white-space:nowrap;transition:background .2s,color .2s,transform .2s;
}
.nav-list a:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateY(-1px)}
.nav-list a.is-active{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#231a00;font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28);
}
.nav-cta{
  flex:none;padding:10px 20px;border-radius:11px;font-size:14px;font-weight:800;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#231a00;
  box-shadow:0 6px 18px rgba(255,180,0,.32);transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,180,0,.45)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:11px;font-weight:700;font-size:15px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn--gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;box-shadow:0 8px 20px rgba(255,180,0,.35)}
.btn--gold:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(255,180,0,.45)}
.btn--gold:active{transform:translateY(0)}
.btn--ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);border-color:rgba(255,180,0,.6)}
.btn--outline{border:1px solid var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.btn--outline:hover{border-color:rgba(255,180,0,.7);color:#8a6400;transform:translateY(-3px)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;isolation:isolate;background:#1a1f3d;color:#fff;padding:50px 0 62px}
.hero-media{position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.32}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(880px 420px at 10% 0%,rgba(255,180,0,.20),transparent 62%),
    radial-gradient(720px 400px at 94% 20%,rgba(88,110,255,.24),transparent 60%),
    linear-gradient(180deg,rgba(18,22,44,.62),rgba(18,22,44,.96));
}
.hero-grid{display:grid;grid-template-columns:1.4fr .92fr;gap:38px;align-items:start}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  font-size:13px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#d5dbf0;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.2);display:inline-block}
.page-hero h1{
  font-size:clamp(26px,3.9vw,42px);line-height:1.3;font-weight:900;
  letter-spacing:.5px;margin:18px 0 14px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--gold-light),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:720px;color:#c7cde5;font-size:16px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 30px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:620px}
.metric{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:14px 16px;transition:background .25s,border-color .25s,transform .25s;
}
.metric:hover{background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.5);transform:translateY(-3px)}
.metric b{display:block;font-size:22px;line-height:1.3;color:var(--gold-light);font-weight:900;letter-spacing:.5px}
.metric span{font-size:12.5px;color:#b6bddb;letter-spacing:.3px}
.hero-panel{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius-lg);padding:22px 22px 8px;backdrop-filter:blur(4px);
}
.hero-panel h2{font-size:15px;letter-spacing:1.6px;color:var(--gold-light);font-weight:800;margin-bottom:6px}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.14);
}
.panel-row:last-child{border-bottom:0}
.panel-row span{font-size:14px;color:#c3cae4}
.panel-row b{font-size:14px;color:#fff;font-weight:800;white-space:nowrap}

/* ---------- section base ---------- */
.section{padding:66px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:46px 0}
.section--dark{background:linear-gradient(180deg,#1a1f3d 0%,#232a52 100%);color:#fff}
.sec-head{max-width:780px;margin-bottom:34px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:800;
  letter-spacing:1.4px;color:#8a6400;background:rgba(255,180,0,.16);margin-bottom:14px;
}
.sec-title{font-size:clamp(22px,3vw,32px);line-height:1.35;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15.5px}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:#b9c0dc}
.section--dark .sec-kicker{background:rgba(255,180,0,.18);color:var(--gold-light)}

/* ---------- rule cards ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rule-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.rule-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.rule-card .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-size:14px;font-weight:900;
  background:rgba(255,180,0,.16);color:#8a6400;margin-bottom:14px;
}
.rule-card h3{font-size:16.5px;line-height:1.45;font-weight:800;color:var(--ink);margin-bottom:8px}
.rule-card p{font-size:14px;color:var(--muted);line-height:1.72}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split__text .sec-desc{margin-bottom:22px}
.split__media{position:relative}
.split__media img{
  border-radius:var(--radius-lg);box-shadow:0 18px 40px rgba(26,31,61,.18);
  border:1px solid rgba(255,255,255,.5);
}
.split__media figcaption{
  margin-top:12px;font-size:13px;color:var(--muted);text-align:center;letter-spacing:.3px;
}
.order-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.order-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);padding:15px 18px;
  box-shadow:var(--shadow-sm);transition:border-color .24s,transform .24s,box-shadow .24s;
}
.order-item:hover{border-color:rgba(255,180,0,.6);transform:translateX(4px);box-shadow:var(--shadow)}
.order-item .num{
  flex:none;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:900;background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;
}
.order-item h4{font-size:15px;font-weight:800;color:var(--ink);margin-bottom:2px}
.order-item p{font-size:13.5px;color:var(--muted);line-height:1.65}

/* ---------- boundary cards ---------- */
.boundary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.boundary-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .26s,box-shadow .26s,border-color .26s;
}
.boundary-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.boundary-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.boundary-card .bd-body{padding:20px 20px 24px}
.boundary-card .chip{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.8px;
  padding:3px 10px;border-radius:999px;background:rgba(26,31,61,.07);color:var(--ink-soft);margin-bottom:10px;
}
.boundary-card h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:7px;line-height:1.45}
.boundary-card p{font-size:14px;color:var(--muted);line-height:1.72}

/* ---------- data bars ---------- */
.bar-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:28px 26px}
.bar-row{display:grid;grid-template-columns:132px 1fr 168px;gap:16px;align-items:center;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.13)}
.bar-row:last-child{border-bottom:0}
.bar-label{font-size:14px;color:#d3d9ee;font-weight:700;letter-spacing:.3px}
.bar-track{height:10px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold-light),var(--gold));box-shadow:0 0 14px rgba(255,180,0,.45);width:0;transition:width 1.1s ease}
.bar-fill.is-on{width:var(--w,50%)}
.bar-value{font-size:14px;color:var(--gold-light);font-weight:800;text-align:right;letter-spacing:.3px}
.bar-note{margin-top:18px;font-size:13.5px;color:#b9c0dc;line-height:1.7}

/* ---------- timeline ---------- */
.timeline{position:relative;margin:0;padding:0 0 0 30px;list-style:none}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(255,180,0,.85),rgba(26,31,61,.12));
}
.tl-item{position:relative;padding:0 0 26px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.tl-item h4{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:4px}
.tl-item .tl-tag{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.8px;color:#8a6400;
  background:rgba(255,180,0,.18);border-radius:999px;padding:2px 10px;margin-right:8px;vertical-align:1px;
}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.72}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .24s,box-shadow .24s;
}
.faq-item:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
  font-size:16px;font-weight:800;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#8a6400;background:rgba(255,180,0,.16);
  transition:transform .24s,background .24s;
}
.faq-item[open] summary::after{content:"–";transform:translateY(-50%) rotate(180deg);background:rgba(255,180,0,.32)}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.78}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.flow-step:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.flow-step .step-no{
  position:absolute;top:-14px;left:20px;padding:3px 12px;border-radius:999px;
  font-size:12px;font-weight:900;letter-spacing:1px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;
  box-shadow:0 6px 14px rgba(255,180,0,.35);
}
.flow-step h3{font-size:16px;font-weight:800;color:var(--ink);margin:8px 0 7px}
.flow-step p{font-size:13.8px;color:var(--muted);line-height:1.7}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;isolation:isolate;
  border-radius:var(--radius-lg);padding:44px 40px;color:#fff;
  background:linear-gradient(120deg,#171c38,#252b52 62%,#2f3768);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 22px 50px rgba(20,24,51,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);z-index:-1;
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:900;line-height:1.4;margin-bottom:10px}
.cta-band p{color:#c3cae4;font-size:15px;max-width:720px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}

/* ---------- footer ---------- */
.site-footer{background:linear-gradient(180deg,#171c38,#12162b);color:#c3cae4;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-note{font-size:13.8px;line-height:1.8;color:#9aa3c7}
.footer-col h4{font-size:14px;letter-spacing:1.2px;color:var(--gold-light);font-weight:800;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:#b6bddb;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:20px;font-size:13px;color:#8b93b5;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-panel{padding-bottom:14px}
  .split{grid-template-columns:1fr;gap:28px}
  .rule-grid{grid-template-columns:repeat(2,1fr)}
  .boundary-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
  .nav-shell{gap:10px}
  .nav-list{order:3;flex:1 0 100%;padding-bottom:2px;gap:6px}
  .nav-cta{margin-left:auto}
  .bar-row{grid-template-columns:110px 1fr;row-gap:6px}
  .bar-value{grid-column:2;text-align:left}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .section--tight{padding:38px 0}
  .page-hero{padding:38px 0 48px}
  .hero-metrics{grid-template-columns:1fr 1fr}
  .cta-band{padding:34px 24px}
  .bar-panel{padding:22px 18px}
  .rule-card{padding:20px 17px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-shell{padding:10px 16px}
  .brand-text small{display:none}
  .nav-list a{padding:8px 12px;font-size:14px}
  .nav-cta{padding:9px 14px;font-size:13px}
  .hero-metrics{grid-template-columns:1fr}
  .rule-grid,.boundary-grid,.flow{grid-template-columns:1fr}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .bar-row{grid-template-columns:1fr;gap:8px}
  .bar-value{grid-column:1}
  .timeline{padding-left:24px}
  .tl-item::before{left:-24px}
  .faq-item summary{font-size:15px;padding:16px 48px 16px 16px}
  .faq-item .faq-body{padding:0 16px 18px}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252b52;
 --ink-deep:#141833;
 --gold:#ffb400;
 --gold-deep:#e59c00;
 --gold-light:#ffd166;
 --bg:#f6f7fb;
 --bg-alt:#eef1f9;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#6b7185;
 --line:#e5e8f2;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 8px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.10);
 --container:1180px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:46px 0}
.section--dark{background:linear-gradient(180deg,#1a1f3d 0%,#232a52 100%);color:#fff}
.sec-head{max-width:820px;margin-bottom:34px}
.sec-kicker{
 display:inline-block;padding:5px 14px;border-radius:999px;
 background:rgba(255,180,0,.14);color:#8a6400;
 font-size:12px;font-weight:800;letter-spacing:1.6px;
}
.sec-title{font-size:clamp(22px,3vw,32px);line-height:1.35;font-weight:800;letter-spacing:.4px;margin:12px 0 10px}
.sec-desc{color:var(--muted);font-size:15px}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:#b9c0dc}
.section--dark .sec-kicker{background:rgba(255,180,0,.16);color:var(--gold-light)}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:11px;font-weight:700;font-size:15px;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px}
.btn--gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;box-shadow:0 8px 20px rgba(255,180,0,.35)}
.btn--gold:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(255,180,0,.45)}
.btn--gold:active{transform:translateY(0)}
.btn--ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn--outline{border:1px solid var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.btn--outline:hover{border-color:rgba(255,180,0,.7);color:#8a6400;transform:translateY(-3px)}
/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:linear-gradient(180deg,#171c38,#1a1f3d);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 10px 26px rgba(10,13,30,.22);
}
.nav-shell{
 max-width:var(--container);margin:0 auto;padding:12px 20px;
 display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;flex:none}
.brand-mark{
 width:40px;height:40px;border-radius:12px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 color:#231a00;display:grid;place-items:center;font-weight:900;font-size:15px;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{line-height:1.25}
.brand-text b{font-size:16px;letter-spacing:.4px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#9aa3c7;letter-spacing:1.4px}
.nav-list{display:flex;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
 display:inline-block;padding:9px 16px;border-radius:11px;font-size:15px;
 color:#c3cae4;white-space:nowrap;transition:background .2s,color .2s,transform .2s;
}
.nav-list a:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateY(-1px)}
.nav-list a.is-active{
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 color:#231a00;font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28);
}
.nav-cta{
 flex:none;padding:10px 20px;border-radius:11px;font-size:14px;font-weight:800;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#231a00;
 box-shadow:0 6px 18px rgba(255,180,0,.32);transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,180,0,.45)}
/* ---------- 分类首屏 ---------- */
.record-hero{position:relative;overflow:hidden;isolation:isolate;background:#1a1f3d;color:#fff;padding:58px 0 66px}
.record-hero-media{
 position:absolute;inset:0;z-index:-2;
 background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;opacity:.30;
}
.record-hero::after{
 content:"";position:absolute;inset:0;z-index:-1;
 background:
  radial-gradient(820px 420px at 8% 0%,rgba(255,180,0,.20),transparent 62%),
  radial-gradient(680px 380px at 94% 22%,rgba(88,110,255,.24),transparent 60%),
  linear-gradient(180deg,rgba(18,22,44,.72),rgba(18,22,44,.96));
}
.record-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center}
.hero-status{
 display:inline-flex;align-items:center;gap:10px;
 padding:7px 15px;border-radius:999px;font-size:13px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#d5dbf0;
}
.hero-status .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.record-hero h1{
 font-size:clamp(27px,4.2vw,42px);line-height:1.3;font-weight:900;letter-spacing:.5px;
 margin:18px 0 14px;
}
.record-hero h1 em{
 font-style:normal;
 background:linear-gradient(120deg,var(--gold-light),var(--gold));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:640px;color:#c7cde5;font-size:15.5px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{
 font-size:12.5px;color:#c9d0e8;padding:5px 13px;border-radius:999px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.record-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:24px 22px;
 backdrop-filter:blur(6px);
 box-shadow:0 18px 40px rgba(8,11,26,.35);
}
.record-panel h2{font-size:14px;letter-spacing:1.2px;color:#aeb7d8;font-weight:700;margin-bottom:16px}
.panel-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row span{font-size:13.5px;color:#b8bfdb}
.panel-row b{
 font-size:20px;font-weight:900;letter-spacing:.4px;
 background:linear-gradient(120deg,var(--gold-light),var(--gold));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
/* ---------- 数据概览 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.stat-card .num{
 font-size:30px;font-weight:900;line-height:1.2;color:var(--ink);letter-spacing:.5px;
}
.stat-card .num small{font-size:14px;font-weight:700;color:var(--gold-deep);margin-left:3px}
.stat-card .label{font-size:14px;font-weight:700;margin:8px 0 6px}
.stat-card .hint{font-size:13px;color:var(--muted);line-height:1.6}
/* ---------- 口径三卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.info-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .26s,box-shadow .26s,border-color .26s;
}
.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.info-card .idx{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#241a00;
 font-weight:900;font-size:14px;margin-bottom:14px;
}
.info-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.info-card p{font-size:14.5px;color:var(--muted)}
/* ---------- 时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.step::after{
 content:"";position:absolute;top:36px;right:-12px;width:12px;height:2px;
 background:linear-gradient(90deg,var(--gold),rgba(255,180,0,0));
}
.step:last-child::after{display:none}
.step .stp{
 font-size:12px;font-weight:800;letter-spacing:1.4px;color:#8a6400;
 background:rgba(255,180,0,.14);padding:4px 11px;border-radius:999px;display:inline-block;
}
.step h3{font-size:16px;font-weight:800;margin:12px 0 8px}
.step p{font-size:14px;color:var(--muted)}
/* ---------- 数据表 ---------- */
.table-wrap{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:720px}
thead th{
 text-align:left;font-size:13px;letter-spacing:1px;color:#c9d0e8;
 background:linear-gradient(135deg,#1a1f3d,#252b52);
 padding:15px 18px;font-weight:800;white-space:nowrap;
}
tbody td{padding:15px 18px;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:nth-child(even){background:#fafbfe}
tbody tr:hover{background:rgba(255,180,0,.08)}
tbody tr:last-child td{border-bottom:0}
td .tag{
 display:inline-block;font-size:12px;font-weight:800;padding:2px 10px;border-radius:999px;
 background:rgba(26,31,61,.07);color:var(--ink-soft);
}
td .tag--gold{background:rgba(255,180,0,.18);color:#8a6400}
td strong{font-weight:800;color:var(--ink)}
/* ---------- 图文拆解 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.split-figure{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:0 18px 40px rgba(26,31,61,.18);
}
.split-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
 color:#eef1fb;font-size:13px;
 background:linear-gradient(180deg,transparent,rgba(15,18,38,.85));
}
.split-body h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;line-height:1.38;margin:12px 0 14px}
.split-body p{color:var(--muted);font-size:15px;margin-bottom:12px}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{
 position:relative;padding-left:26px;font-size:14.5px;color:var(--text);
}
.check-list li::before{
 content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));transform:rotate(45deg);
}
/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
 display:block;padding:26px 24px;border-radius:var(--radius-lg);background:var(--surface);
 border:1px solid var(--line);box-shadow:var(--shadow-sm);
 transition:transform .28s,box-shadow .28s,border-color .28s;
}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.62);box-shadow:0 16px 34px rgba(26,31,61,.14)}
.channel-card .ch-tag{
 display:inline-block;font-size:12px;font-weight:800;letter-spacing:1px;
 padding:4px 11px;border-radius:999px;background:rgba(26,31,61,.07);color:var(--ink-soft);
}
.channel-card h3{font-size:18px;font-weight:800;margin:12px 0 8px}
.channel-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
.channel-card .ch-link{font-size:14px;font-weight:800;color:#8a6400}
.channel-card.is-current{border-color:rgba(255,180,0,.7);background:linear-gradient(180deg,#fffdf6,#ffffff)}
.channel-card.is-current .ch-tag{background:rgba(255,180,0,.2);color:#8a6400}
/* ---------- 批次更新列表 ---------- */
.record-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.record-item{
 display:grid;grid-template-columns:148px 1fr;gap:18px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:16px;box-shadow:var(--shadow-sm);align-items:center;
 transition:transform .26s,box-shadow .26s,border-color .26s;
}
.record-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.record-item .thumb{border-radius:10px;overflow:hidden;aspect-ratio:4/3}
.record-item .thumb img{width:100%;height:100%;object-fit:cover}
.record-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:7px}
.record-meta span{
 font-size:12px;font-weight:700;color:#5b6檔;
}
.record-meta .chip{
 font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px;
 background:rgba(26,31,61,.07);color:var(--ink-soft);
}
.record-meta .chip--gold{background:rgba(255,180,0,.18);color:#8a6400}
.record-item h3{font-size:16px;font-weight:800;margin-bottom:6px}
.record-item h3 small{font-size:13px;font-weight:700;color:var(--gold-deep);margin-left:6px}
.record-item p{font-size:13.5px;color:var(--muted)}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 22px;box-shadow:var(--shadow-sm);transition:border-color .22s,box-shadow .22s;
}
.faq details[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq summary{
 cursor:pointer;font-weight:800;font-size:15.5px;list-style:none;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";flex:none;width:26px;height:26px;border-radius:8px;
 display:grid;place-items:center;font-weight:900;color:#8a6400;
 background:rgba(255,180,0,.16);transition:transform .2s,background .2s;
}
.faq details[open] summary::after{content:"–";background:rgba(255,180,0,.28)}
.faq details p{margin-top:12px;font-size:14.5px;color:var(--muted)}
/* ---------- CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;isolation:isolate;
 background:linear-gradient(120deg,#171c38,#252b52 62%,#33245a);
 border-radius:var(--radius-lg);
 padding:44px 40px;color:#fff;display:flex;gap:26px;align-items:center;justify-content:space-between;flex-wrap:wrap;
 box-shadow:0 20px 44px rgba(20,24,51,.28);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);z-index:-1;
}
.cta-band h2{font-size:clamp(20px,2.6vw,27px);font-weight:900;line-height:1.35;margin-bottom:8px}
.cta-band p{color:#c3cae4;font-size:14.5px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{background:#141833;color:#c3cae4;padding:52px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-note{font-size:13.5px;line-height:1.85;color:#98a1c2;max-width:520px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col a{display:block;font-size:13.5px;color:#a4adcd;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{
 margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.5px;color:#8b94b6;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .record-hero-grid{grid-template-columns:1fr;gap:28px}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .card-grid{grid-template-columns:1fr 1fr}
 .timeline{grid-template-columns:1fr 1fr}
 .step::after{display:none}
 .channel-grid{grid-template-columns:1fr 1fr}
 .split{grid-template-columns:1fr;gap:26px}
 .record-list{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .section--tight{padding:38px 0}
 .nav-shell{padding:10px 16px;gap:10px}
 .nav-list{order:3;width:100%;flex:none;padding-bottom:2px}
 .nav-cta{display:none}
 .brand-text b{font-size:15px}
 .record-hero{padding:44px 0 52px}
 .card-grid{grid-template-columns:1fr}
 .channel-grid{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
 .record-item{grid-template-columns:1fr;gap:14px}
 .record-item .thumb{aspect-ratio:16/9}
 .cta-band{padding:32px 24px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
 .stat-grid{grid-template-columns:1fr}
 .timeline{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .cta-actions{width:100%}
 .cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column;gap:6px}
}