/* roulang page: index */
:root{
  --ink-900:#0B0F14;
  --ink-800:#161B22;
  --ink-700:#222A33;
  --amber:#E0A33E;
  --amber-deep:#C4872A;
  --teal:#2F9E8F;
  --red:#D9432F;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --text:#2F353D;
  --muted:#68717C;
  --line:#E7E1D8;
  --line-strong:#D9D2C6;
  --radius-s:12px;
  --radius-m:16px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-s:0 1px 2px rgba(11,15,20,.05);
  --shadow-m:0 12px 28px rgba(11,15,20,.09);
  --shadow-l:0 22px 48px rgba(11,15,20,.14);
  --sp-section:72px;
  --sp-section-m:56px;
  --sp-section-s:40px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink-900);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease;}
a:hover{color:var(--amber-deep);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:750;letter-spacing:-.02em;line-height:1.3;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container-xxl{max-width:1320px;}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:var(--sp-section-m) 0;}
.eyebrow{font-size:13px;letter-spacing:.18em;color:var(--amber-deep);text-transform:uppercase;font-weight:700;margin-bottom:12px;}
.h2-lg{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:750;}
.lead-p{font-size:16px;color:var(--muted);line-height:1.9;}
.line-soft{height:1px;background:var(--line);border:0;margin:0;}
.tnum{font-variant-numeric:tabular-nums;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 3px rgba(11,15,20,.04);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(150deg,var(--ink-900),var(--ink-700));
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap;}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.16em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.main-nav a{
  position:relative;display:inline-block;padding:8px 14px;font-size:15px;font-weight:600;color:var(--ink-800);
  border-radius:var(--radius-pill);
}
.main-nav a:hover{background:#F2EEE6;color:var(--ink-900);}
.main-nav a.active{color:var(--ink-900);}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--amber);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{position:relative;}
.search-box input{
  width:200px;height:42px;padding:0 16px 0 40px;border:1px solid var(--line);
  background:#FAF8F4;border-radius:var(--radius-pill);font-size:14px;color:var(--text);
  transition:border-color .22s ease,background-color .22s ease,width .22s ease;
}
.search-box input::placeholder{color:#9AA2AC;}
.search-box input:focus{outline:none;border-color:var(--amber);background:#fff;width:230px;}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;fill:#9AA2AC;}
.btn-nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  background:var(--amber);color:var(--ink-900);font-weight:750;font-size:15px;
  border-radius:var(--radius-pill);border:1px solid var(--amber);
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.btn-nav-cta:hover{background:var(--amber-deep);border-color:var(--amber-deep);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--shadow-m);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ===== Buttons ===== */
.btn-amber,.btn-outline-ink,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;font-size:15px;font-weight:750;border-radius:var(--radius-pill);
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-amber{background:var(--amber);color:var(--ink-900);border:1px solid var(--amber);}
.btn-amber:hover{background:var(--amber-deep);border-color:var(--amber-deep);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--shadow-m);}
.btn-outline-ink{background:transparent;color:var(--ink-900);border:1px solid var(--ink-900);}
.btn-outline-ink:hover{background:var(--ink-900);color:#fff;transform:translateY(-1px);}
.btn-ghost{height:auto;padding:0;border:0;border-radius:0;color:var(--ink-900);font-weight:700;justify-content:flex-start;}
.btn-ghost span{border-bottom:2px solid var(--amber);padding-bottom:2px;transition:border-color .2s ease;}
.btn-ghost:hover span{border-color:var(--ink-900);}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--paper);padding:64px 0 72px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(11,15,20,.055) 1px,transparent 1px);
  background-size:22px 22px;opacity:.9;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,163,62,.20),transparent 66%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-pill);font-size:13px;font-weight:700;color:var(--ink-800);
  box-shadow:var(--shadow-s);margin-bottom:20px;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(217,67,47,.14);}
.hero h1{font-size:clamp(2.2rem,4vw,4rem);font-weight:800;letter-spacing:-.03em;line-height:1.12;}
.hero h1 em{font-style:normal;color:var(--amber-deep);}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line);}
.hero-meta div{font-size:13px;color:var(--muted);}
.hero-meta strong{display:block;font-size:20px;color:var(--ink-900);font-weight:800;}
.hero-visual{position:relative;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-l);}
.hero-visual img{width:100%;height:460px;object-fit:cover;transition:transform .6s ease;}
.hero-visual:hover img{transform:scale(1.03);}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,15,20,.72) 0%,rgba(11,15,20,.24) 45%,rgba(224,163,62,.28) 100%);
}
.hero-visual-caption{
  position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:#FBF9F5;
}
.hero-visual-caption strong{display:block;font-size:16px;font-weight:750;margin-bottom:4px;}
.hero-visual-caption span{font-size:13px;color:rgba(251,249,245,.78);}

/* ===== Stat strip ===== */
.claim-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:52px 0;}
.claim-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.claim-grid h2{font-size:clamp(1.5rem,2.2vw,2rem);line-height:1.35;}
.claim-note{margin-top:14px;color:var(--muted);font-size:15px;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.stat-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius-m);background:#FDFCFA;}
.stat-card b{display:block;font-size:32px;font-weight:800;color:var(--ink-900);line-height:1.2;}
.stat-card span{display:block;margin-top:6px;font-size:13px;color:var(--muted);}

/* ===== Story ===== */
.story-grid{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;}
.story-img{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);}
.story-img img{width:100%;height:400px;object-fit:cover;transition:transform .6s ease;}
.story-img:hover img{transform:scale(1.03);}
.story-body h2{margin-bottom:18px;}
.story-body p{color:#3B424B;line-height:1.9;}
.story-points{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px;}
.pill{display:inline-block;padding:7px 14px;border-radius:var(--radius-pill);background:#F2EEE6;color:var(--ink-800);font-size:13px;font-weight:700;}
.pill-teal{background:rgba(47,158,143,.12);color:#1F6F64;}

/* ===== Feature grid ===== */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.f-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:rgba(224,163,62,.5);}
.f-card img{width:100%;object-fit:cover;transition:transform .5s ease;}
.f-card:hover img{transform:scale(1.03);}
.f-main img{height:320px;}
.f-main .f-body{padding:26px;}
.f-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.f-mini{flex-direction:row;align-items:stretch;}
.f-mini img{width:42%;height:100%;min-height:172px;}
.f-mini .f-body{padding:22px;}
.badge-cat{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);background:rgba(224,163,62,.16);
  color:var(--amber-deep);font-size:12px;font-weight:750;margin-bottom:12px;
}
.badge-cat.teal{background:rgba(47,158,143,.14);color:#1F6F64;}
.f-body h3{font-size:1.25rem;margin-bottom:10px;line-height:1.4;}
.f-body p{color:var(--muted);font-size:14.5px;line-height:1.8;margin-bottom:16px;}
.f-link{font-size:14px;font-weight:750;color:var(--ink-900);display:inline-flex;align-items:center;gap:6px;}
.f-link::after{content:"→";color:var(--amber-deep);transition:transform .2s ease;}
.f-card:hover .f-link::after{transform:translateX(3px);}

/* ===== CMS list ===== */
.cms-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cms-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;}
.cms-card{
  display:flex;gap:18px;padding:20px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:#FDFCFA;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-color .25s ease;
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:rgba(224,163,62,.5);background:#fff;}
.cms-thumb{
  flex:0 0 104px;width:104px;height:104px;border-radius:var(--radius-s);overflow:hidden;
  background:linear-gradient(140deg,var(--ink-800),var(--ink-900));display:grid;place-items:center;
}
.cms-thumb span{color:var(--amber);font-size:13px;font-weight:750;letter-spacing:.1em;}
.cms-body{flex:1 1 auto;min-width:0;}
.cms-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:8px;}
.cms-meta .cat{color:var(--amber-deep);font-weight:750;}
.cms-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;word-break:break-word;}
.cms-body p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:10px;}
.cms-empty{
  grid-column:1 / -1;padding:44px;border:1px dashed var(--line-strong);border-radius:var(--radius-m);
  text-align:center;color:var(--muted);background:#FDFCFA;
}

/* ===== Trust ===== */
.trust{background:var(--ink-900);color:#EDEAE4;padding:var(--sp-section) 0;position:relative;overflow:hidden;}
.trust::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,158,143,.22),transparent 68%);
}
.trust h2{color:#fff;}
.trust .eyebrow{color:var(--amber);}
.trust-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;position:relative;}
.trust-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;}
.trust-metric{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-m);padding:22px;background:rgba(255,255,255,.03);}
.trust-metric b{display:block;font-size:30px;color:var(--amber);font-weight:800;line-height:1.2;}
.trust-metric span{display:block;margin-top:6px;font-size:13px;color:rgba(237,234,228,.72);}
.timeline{border-left:2px solid rgba(224,163,62,.4);padding-left:22px;margin-top:26px;}
.timeline li{position:relative;padding-bottom:22px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-29px;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--amber);box-shadow:0 0 0 4px rgba(224,163,62,.16);
}
.timeline strong{display:block;font-size:15px;color:#fff;margin-bottom:4px;}
.timeline span{font-size:14px;color:rgba(237,234,228,.72);}
.quote-box{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-l);padding:28px;
  background:rgba(255,255,255,.04);
}
.quote-box p{font-size:16px;line-height:1.9;color:#EDEAE4;}
.quote-box cite{font-style:normal;font-size:13px;color:rgba(237,234,228,.62);}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.badge-ghost{
  padding:7px 14px;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-pill);
  font-size:13px;color:rgba(237,234,228,.85);
}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;padding:22px 44px 22px 0;text-align:left;position:relative;
  font-size:17px;font-weight:700;color:var(--ink-900);cursor:pointer;line-height:1.6;
}
.faq-q::after{
  content:"";position:absolute;right:8px;top:50%;width:12px;height:2px;background:var(--ink-900);
  transform:translateY(-50%);transition:background-color .22s ease;
}
.faq-q::before{
  content:"";position:absolute;right:13px;top:50%;width:2px;height:12px;background:var(--ink-900);
  transform:translateY(-50%);transition:transform .22s ease,opacity .22s ease;
}
.faq-item.open .faq-q::before{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq-item.open .faq-q::after{background:var(--amber-deep);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 44px 22px 0;color:var(--muted);font-size:15px;line-height:1.9;margin:0;}

/* ===== CTA ===== */
.cta-panel{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:44px;
  display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center;box-shadow:var(--shadow-s);
}
.cta-panel h2{font-size:clamp(1.5rem,2.2vw,2rem);margin-bottom:14px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13px;font-weight:700;color:var(--ink-800);margin-bottom:7px;}
.form-row input{
  width:100%;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:#FDFCFA;font-size:15px;color:var(--text);transition:border-color .2s ease,background-color .2s ease;
}
.form-row input:focus{outline:none;border-color:var(--amber);background:#fff;}
.form-hint{font-size:13px;color:var(--muted);margin:10px 0 0;}
.form-status{font-size:14px;font-weight:700;margin-top:12px;color:var(--teal);display:none;}
.form-status.show{display:block;}

/* ===== Footer ===== */
.site-footer{background:var(--ink-900);color:#C9C6C0;padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:4fr 3fr 3fr 3fr;gap:40px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:750;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(201,198,192,.85);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(150deg,#2A323B,#0B0F14);border:1px solid rgba(255,255,255,.12);}
.footer-brand .brand-text{color:#fff;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(201,198,192,.88);font-size:14px;}
.footer-links a:hover{color:var(--amber);}
.footer-sub{display:flex;gap:10px;margin-top:16px;}
.footer-sub input{
  flex:1 1 auto;height:44px;padding:0 14px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-size:14px;
}
.footer-sub input::placeholder{color:rgba(201,198,192,.6);}
.footer-sub input:focus{outline:none;border-color:var(--amber);}
.footer-sub button{
  height:44px;padding:0 18px;border:0;border-radius:var(--radius-s);background:var(--amber);
  color:var(--ink-900);font-weight:750;font-size:14px;
}
.footer-sub button:hover{background:var(--amber-deep);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(201,198,192,.7);
}
.footer-bottom a{color:rgba(201,198,192,.82);}
.footer-bottom a:hover{color:var(--amber);}

/* ===== Offcanvas ===== */
.offcanvas{background:#fff;}
.offcanvas .nav-link-item{
  display:block;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;font-weight:700;color:var(--ink-900);
}
.offcanvas .nav-link-item.active{color:var(--amber-deep);}
.offcanvas .search-box input{width:100%;}
.offcanvas .search-box input:focus{width:100%;}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

@media (max-width:1199.98px){
  .hero-grid,.claim-grid,.story-grid,.trust-grid,.cta-panel,.feature-grid{grid-template-columns:1fr;}
  .hero-visual img{height:380px;}
  .f-side{grid-template-rows:auto auto;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .main-nav a{padding:8px 10px;font-size:14px;}
  .search-box input{width:160px;}
  .search-box input:focus{width:180px;}
}
@media (max-width:991.98px){
  :root{--sp-section:56px;--sp-section-m:44px;}
  .main-nav,.search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-right{gap:8px;}
  .hero{padding:44px 0 52px;}
  .hero-visual img{height:320px;}
  .cms-list{grid-template-columns:1fr;}
  .trust-metrics{grid-template-columns:1fr 1fr;}
  .f-mini{flex-direction:column;}
  .f-mini img{width:100%;min-height:200px;}
}
@media (max-width:767.98px){
  .hero h1{font-size:2rem;}
  .stat-row{grid-template-columns:1fr;}
  .story-img img{height:260px;}
  .cta-panel{padding:28px;border-radius:var(--radius-l);}
  .btn-amber,.btn-outline-ink{width:100%;}
  .hero-actions{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;}
  .trust-metrics{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  :root{--sp-section:40px;--sp-section-m:34px;}
  .cms-card{flex-direction:column;padding:16px;}
  .cms-thumb{width:100%;flex:0 0 140px;height:140px;}
  .f-body{padding:16px;}
  .brand-sub{display:none;}
}

/* roulang page: article */
:root{
  --ink:#0B0F14;
  --char:#161B22;
  --amber:#E0A33E;
  --amber-deep:#C8871F;
  --teal:#2F9E8F;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --text:#2F353D;
  --muted:#68717C;
  --line:#E7E1D8;
  --line-soft:#F0EBE3;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-xs:0 1px 2px rgba(11,15,20,.05);
  --shadow-sm:0 6px 18px rgba(11,15,20,.06);
  --shadow-md:0 16px 38px rgba(11,15,20,.10);
  --shadow-lg:0 26px 56px rgba(11,15,20,.16);
  --sec:72px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--amber-deep);}
img{max-width:100%;height:auto;display:block;}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.02em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}

.container-xxl{
  max-width:1280px;
  margin-left:auto;
  margin-right:auto;
  padding-left:22px;
  padding-right:22px;
  width:100%;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 3px rgba(11,15,20,.04);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:26px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(140deg,#0B0F14 0%,#1E2630 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(224,163,62,.35);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--ink);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
  overflow-x:auto;
  scrollbar-width:none;
}
.main-nav::-webkit-scrollbar{display:none;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  font-weight:600;
  color:#414A55;
  white-space:nowrap;
  border-radius:8px;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--amber);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.main-nav a:hover{color:var(--ink);background:#FAF8F4;}
.main-nav a:hover::after,
.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:700;}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  display:flex;
  align-items:center;
  background:#F5F3EE;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:0 14px;
  height:42px;
  width:216px;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--amber);
  box-shadow:0 0 0 3px rgba(224,163,62,.14);
}
.nav-search input{
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  width:100%;
  color:var(--text);
}
.nav-search input::placeholder{color:#98A0AA;}
.nav-search svg{width:16px;height:16px;flex:0 0 auto;margin-right:7px;opacity:.55;}

.btn-amber{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--radius-pill);
  background:var(--amber);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  box-shadow:0 6px 16px rgba(224,163,62,.28);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-amber:hover{
  background:var(--amber-deep);
  color:#0B0F14;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(224,163,62,.34);
}
.btn-amber:active{transform:translateY(0);}

.btn-ink{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:1px solid var(--ink);
  border-radius:var(--radius-pill);
  background:transparent;
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .18s ease;
}
.btn-ink:hover{background:var(--ink);color:#F7F5F0;transform:translateY(-1px);}

.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  width:320px;
  max-width:86vw;
  height:100%;
  background:#fff;
  z-index:1060;
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:16px;
  transform:translateX(102%);
  transition:transform .28s ease;
  box-shadow:var(--shadow-lg);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,15,20,.42);
  z-index:1050;
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:20px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer-search{width:100%;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-top:6px;}
.drawer-nav a{
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:#414A55;
}
.drawer-nav a:hover{background:#FAF8F4;color:var(--ink);}
.drawer-cta{width:100%;margin-top:auto;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F5F0 100%);
  border-bottom:1px solid var(--line-soft);
  padding:38px 0 44px;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(11,15,20,.10) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.35;
  pointer-events:none;
}
.article-hero > *{position:relative;z-index:1;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--amber-deep);}
.crumb .sep{opacity:.5;}
.crumb .current{color:#3C444E;font-weight:600;}

.article-head-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
  background:rgba(47,158,143,.12);
  color:#1F7A6E;
}
.tag.amber{background:rgba(224,163,62,.16);color:#96690F;}
.tag.ink{background:rgba(11,15,20,.06);color:#3C444E;}

.article-hero h1{
  font-size:clamp(2rem,3.4vw,3rem);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-0.03em;
  color:var(--ink);
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C2B6;}
.article-meta strong{color:#3C444E;font-weight:600;}

.hero-cover{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  background:#EDE9E1;
  aspect-ratio:4/3;
}
.hero-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.hero-cover:hover img{transform:scale(1.03);}

/* ============ 正文区 ============ */
.article-main{padding:var(--sec) 0 26px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 268px;
  gap:46px;
  align-items:start;
}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:44px 48px;
  box-shadow:var(--shadow-sm);
}
.article-body{
  max-width:800px;
  font-size:17.5px;
  line-height:1.9;
  color:var(--text);
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 1em;}
.article-body h2{
  font-size:clamp(1.32rem,2vw,1.6rem);
  font-weight:750;
  margin:2em 0 .8em;
  padding-left:14px;
  border-left:3px solid var(--amber);
  line-height:1.4;
}
.article-body h3{
  font-size:1.2rem;
  font-weight:700;
  margin:1.6em 0 .6em;
  color:var(--ink);
}
.article-body h4{
  font-size:1.05rem;
  font-weight:700;
  margin:1.4em 0 .5em;
}
.article-body ul,
.article-body ol{
  margin:0 0 1em;
  padding-left:1.35em;
}
.article-body ul li{list-style:disc;margin:.42em 0;}
.article-body ol li{list-style:decimal;margin:.42em 0;}
.article-body blockquote{
  margin:1.5em 0;
  padding:16px 22px;
  background:#FBF9F5;
  border-left:3px solid var(--teal);
  border-radius:0 14px 14px 0;
  color:#4A525C;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  border-radius:14px;
  margin:1.4em 0;
  border:1px solid var(--line-soft);
}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--muted);
  text-align:center;
  margin-top:-.7em;
}
.article-body a{
  color:#1F7A6E;
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--amber-deep);}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.5em 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
  white-space:nowrap;
}
.article-body th{background:#F1EDE5;font-weight:700;color:var(--ink);}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:2.2em 0;
}
.article-body code{
  background:#F1EDE5;
  padding:2px 6px;
  border-radius:6px;
  font-size:.92em;
}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.side-box{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-xs);
}
.side-title{
  font-size:15px;
  font-weight:750;
  color:var(--ink);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-title::before{
  content:"";
  width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.side-list{display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:block;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:#414A55;
  font-weight:500;
}
.side-list a:hover{background:#FAF8F4;color:var(--ink);}
.side-note{
  font-size:13.5px;
  color:var(--muted);
  line-height:1.8;
}
.side-cta{
  background:linear-gradient(150deg,#0B0F14 0%,#1D2530 100%);
  border:0;
  color:#EDE9E1;
}
.side-cta .side-title{color:#fff;}
.side-cta .side-title::before{background:var(--amber);}
.side-cta p{font-size:13.5px;color:#B9C0C8;margin-bottom:14px;}
.side-cta .btn-amber{width:100%;}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius);
  background:#FBF9F5;
}
.empty-state h2{font-size:1.35rem;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ============ 相关推荐 ============ */
.related-sec{padding:26px 0 var(--sec);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.sec-head h2{
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:750;
}
.sec-head p{font-size:14.5px;color:var(--muted);margin-top:6px;}
.related-list{display:flex;flex-direction:column;gap:16px;}
.rel-item{
  display:grid;
  grid-template-columns:200px minmax(0,1fr) auto;
  gap:22px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(224,163,62,.35);
}
.rel-thumb{
  border-radius:14px;
  overflow:hidden;
  aspect-ratio:16/9;
  background:#EDE9E1;
  border:1px solid var(--line-soft);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.rel-item:hover .rel-thumb img{transform:scale(1.03);}
.rel-body h3{font-size:1.08rem;font-weight:700;margin-bottom:8px;line-height:1.45;}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.75;}
.rel-meta{display:flex;gap:12px;font-size:12.5px;color:#8B939D;margin-top:10px;}
.rel-arrow{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.rel-item:hover .rel-arrow{background:var(--ink);color:#F7F5F0;border-color:var(--ink);}
.rel-arrow svg{width:16px;height:16px;}

/* ============ 底部 CTA ============ */
.article-cta{padding:0 0 var(--sec);}
.cta-panel{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:34px;
  align-items:center;
  background:linear-gradient(140deg,#0B0F14 0%,#1B232D 62%,#243040 100%);
  border-radius:24px;
  padding:48px 52px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,163,62,.30) 0%,rgba(224,163,62,0) 68%);
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{
  color:#FFF8EC;
  font-size:clamp(1.5rem,2.4vw,2.05rem);
  font-weight:750;
  margin-bottom:12px;
}
.cta-panel p{color:#B9C0C8;font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn-ink{border-color:rgba(247,245,240,.5);color:#F7F5F0;}
.cta-actions .btn-ink:hover{background:#F7F5F0;color:var(--ink);border-color:#F7F5F0;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#D6D2CA;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.06);}
.footer-brand .brand-text{color:#FFF8EC;font-size:16px;font-weight:800;}
.site-footer p{font-size:14px;color:#98A0AA;line-height:1.85;}
.site-footer h4{
  color:#FFF8EC;
  font-size:14.5px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links li{font-size:14px;color:#98A0AA;}
.footer-links a{color:#B9C0C8;}
.footer-links a:hover{color:var(--amber);}
.footer-sub{
  display:flex;
  gap:8px;
  margin-top:6px;
}
.footer-sub input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);
  color:#F7F5F0;
  padding:0 14px;
  font-size:14px;
  outline:none;
  transition:border-color .2s ease,background .2s ease;
}
.footer-sub input::placeholder{color:#7C848E;}
.footer-sub input:focus{border-color:var(--amber);background:rgba(255,255,255,.09);}
.footer-sub button{
  height:44px;
  padding:0 20px;
  border:0;
  border-radius:12px;
  background:var(--amber);
  color:var(--ink);
  font-weight:700;
  font-size:14px;
  cursor:pointer;
  transition:background .2s ease,transform .18s ease;
}
.footer-sub button:hover{background:var(--amber-deep);transform:translateY(-1px);}
.footer-msg{font-size:12.5px;margin-top:8px;min-height:16px;}
.footer-msg.ok{color:#5CC3B0;}
.footer-msg.err{color:#E5807A;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#7C848E;
}
.footer-bottom a{color:#B9C0C8;}
.footer-bottom a:hover{color:var(--amber);}

/* ============ 入场动效 ============ */
.rise{
  opacity:0;
  transform:translateY(16px);
  animation:riseIn .5s ease forwards;
}
.rise:nth-child(1){animation-delay:.04s;}
.rise:nth-child(2){animation-delay:.10s;}
.rise:nth-child(3){animation-delay:.16s;}
.rise:nth-child(4){animation-delay:.22s;}
@keyframes riseIn{to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .main-nav a{padding:8px 10px;font-size:14.5px;}
  .nav-search{width:180px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:32px;}
  .article-card{padding:36px 34px;}
  .cta-panel{padding:40px 36px;}
}

@media (max-width:991.98px){
  .main-nav,.header-actions .nav-search,.header-actions .btn-amber{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:64px;gap:14px;}
  .article-hero{padding:28px 0 34px;}
  .article-head-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .hero-cover{aspect-ratio:16/9;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;}
  .rel-item{grid-template-columns:160px minmax(0,1fr) auto;}
  .cta-panel{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:767.98px){
  :root{--sec:48px;}
  .article-hero h1{font-size:1.66rem;line-height:1.32;}
  .article-card{padding:26px 20px;border-radius:16px;}
  .article-body{font-size:16.5px;line-height:1.86;}
  .article-body h2{font-size:1.24rem;}
  .rel-item{grid-template-columns:1fr;gap:14px;padding:16px;}
  .rel-thumb{aspect-ratio:16/9;}
  .rel-arrow{display:none;}
  .cta-panel{padding:30px 22px;border-radius:20px;}
  .cta-actions .btn-amber,
  .cta-actions .btn-ink{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:520px){
  .container-xxl{padding-left:16px;padding-right:16px;}
  .article-card{padding:22px 16px;}
  .brand-text{font-size:15.5px;}
  .footer-sub{flex-direction:column;}
  .footer-sub button{width:100%;}
  .article-meta{font-size:12.5px;gap:8px 12px;}
  .sec-head h2{font-size:1.42rem;}
}

/* roulang page: category2 */
:root{
  --ink:#0B0F14;
  --charcoal:#161B22;
  --amber:#E0A33E;
  --amber-dark:#C4862A;
  --teal:#2F9E8F;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --text:#2F353D;
  --muted:#68717C;
  --line:#E7E1D8;
  --live:#E14B3B;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(11,15,20,.05);
  --shadow-md:0 14px 30px rgba(11,15,20,.10);
  --shadow-lg:0 22px 48px rgba(11,15,20,.16);
  --sec-y:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--amber-dark);}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.25;letter-spacing:-0.01em;}
h1{font-size:clamp(2.2rem,4vw,4rem);font-weight:800;letter-spacing:-0.03em;}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:750;letter-spacing:-0.02em;}
h3{font-size:1.25rem;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
input,button,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;}

.container-xxl{max-width:1280px;width:100%;margin:0 auto;padding-left:20px;padding-right:20px;}
.section{padding:var(--sec-y) 0;}
.section-tight{padding:52px 0;}
.section-dark{background:var(--ink);color:#D7DAE0;}
.section-dark h1,.section-dark h2,.section-dark h3{color:#fff;}
.section-paper{background:var(--paper);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--amber-dark);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px;}
.section-lead{color:var(--muted);max-width:720px;font-size:16px;}
.section-head{margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}

/* ============ 按钮 ============ */
.btn-amber,.btn-outline-ink,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-amber{background:var(--amber);color:var(--ink);box-shadow:0 6px 16px rgba(224,163,62,.28);}
.btn-amber:hover{background:#EDB252;color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 22px rgba(224,163,62,.34);}
.btn-outline-ink{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline-ink:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#F4F1EA;border-color:rgba(244,241,234,.5);}
.btn-outline-light:hover{background:#F4F1EA;color:var(--ink);transform:translateY(-1px);}
.btn-ghost{height:auto;padding:2px 0;border-radius:0;color:var(--ink);border-bottom:1px solid rgba(11,15,20,.3);}
.btn-ghost:hover{color:var(--amber-dark);border-color:var(--amber-dark);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 1px 3px rgba(11,15,20,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-0.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;flex:1 1 auto;justify-content:center;}
.main-nav a{
  position:relative;font-size:15px;font-weight:600;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
  background:transparent;border-radius:2px;transition:background-color .18s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a.active{color:var(--ink);}
.main-nav a.active::after{background:var(--amber);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{position:relative;}
.nav-search input{
  width:180px;height:40px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--paper);
  padding:0 40px 0 16px;font-size:14px;color:var(--text);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.nav-search input::placeholder{color:#9AA2AC;}
.nav-search input:focus{border-color:var(--amber);background:#fff;box-shadow:0 0 0 3px rgba(224,163,62,.16);}
.nav-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border:0;background:transparent;border-radius:50%;
  color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.nav-search button:hover{color:var(--ink);background:var(--paper);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);
}
.offcanvas-end{width:320px;}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-body .m-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.offcanvas-body .m-nav a{
  padding:12px 14px;border-radius:var(--radius-sm);font-weight:600;color:var(--text);
}
.offcanvas-body .m-nav a:hover{background:var(--paper);color:var(--ink);}
.offcanvas-body .m-nav a.active{background:rgba(224,163,62,.14);color:var(--ink);}
.m-search{display:flex;gap:8px;margin-bottom:12px;}
.m-search input{
  flex:1;height:44px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:var(--paper);padding:0 16px;outline:none;
}
.m-search input:focus{border-color:var(--amber);background:#fff;}
.m-search button{
  height:44px;padding:0 18px;border-radius:var(--radius-pill);border:0;
  background:var(--ink);color:#fff;font-weight:700;cursor:pointer;
}
.m-cta{width:100%;}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);color:#EDEAE3;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,15,20,.97) 0%,rgba(11,15,20,.86) 42%,rgba(11,15,20,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding:88px 0 84px;}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 .hl{color:var(--amber);}
.hero-sub{color:#B9BEC7;font-size:17px;max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  color:#D7DAE0;font-size:13px;font-weight:600;
}
.tag-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);}
.tag-chip .dot.live{background:var(--live);box-shadow:0 0 0 4px rgba(225,75,59,.18);animation:pulse 1.8s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(225,75,59,.35);}
  70%{box-shadow:0 0 0 9px rgba(225,75,59,0);}
  100%{box-shadow:0 0 0 0 rgba(225,75,59,0);}
}

/* 赛事面板 */
.live-panel{
  background:#161B22;border:1px solid rgba(224,163,62,.26);
  border-radius:var(--radius);padding:22px;box-shadow:0 20px 44px rgba(0,0,0,.32);
}
.live-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:6px;
}
.live-head h3{font-size:16px;color:#fff;margin:0;}
.live-head span{font-size:12px;color:#8B939E;}
.fixture-row{
  display:flex;align-items:center;gap:12px;padding:13px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.fixture-row:last-of-type{border-bottom:0;}
.fixture-time{
  flex:0 0 54px;font-size:13px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;
}
.fixture-main{flex:1 1 auto;min-width:0;}
.fixture-main strong{display:block;font-size:14px;color:#EDEAE3;font-weight:600;}
.fixture-main small{font-size:12px;color:#8B939E;}
.fixture-state{
  flex:0 0 auto;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--radius-pill);
  background:rgba(47,158,143,.16);color:#69C7B9;
}
.fixture-state.live{background:rgba(225,75,59,.16);color:#F08D82;}
.hero-note{font-size:12px;color:#7C848F;margin-top:14px;}

/* ============ 指标条 ============ */
.metrics{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.metric{
  padding:32px 26px;border-right:1px solid var(--line);
}
.metric:last-child{border-right:0;}
.metric .num{
  font-size:clamp(1.7rem,2.4vw,2.2rem);font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-0.02em;line-height:1.1;margin-bottom:6px;
}
.metric .num em{font-style:normal;font-size:.55em;color:var(--amber-dark);margin-left:4px;font-weight:700;}
.metric p{font-size:14px;color:var(--muted);margin:0;}

/* ============ 图文交替 ============ */
.split-visual{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);}
.split-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease;}
.split-visual:hover img{transform:scale(1.03);}
.split-visual .corner{
  position:absolute;left:16px;bottom:16px;
  background:rgba(11,15,20,.86);color:#EDEAE3;
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(224,163,62,.35);
}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;color:var(--text);font-size:15px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:2px;background:var(--amber);border-radius:2px;
}
.check-list li strong{color:var(--ink);}
.quote-line{
  border-left:3px solid var(--amber);padding:6px 0 6px 18px;margin:26px 0;
  color:var(--ink);font-weight:600;
}

/* ============ 场景卡片 ============ */
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;height:100%;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(224,163,62,.4);}
.scene-card h3{margin-bottom:12px;}
.scene-card p{color:var(--muted);font-size:15px;}
.scene-badge{
  display:inline-block;font-size:12px;font-weight:700;color:var(--teal);
  background:rgba(47,158,143,.12);padding:5px 12px;border-radius:var(--radius-pill);margin-bottom:14px;
}
.scene-card.dark{background:var(--charcoal);border-color:#232A33;}
.scene-card.dark h3{color:#fff;}
.scene-card.dark p{color:#A9B0BA;}
.scene-card.dark .scene-badge{color:#69C7B9;background:rgba(47,158,143,.18);}
.scene-row{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.scene-row:last-child{border-bottom:0;}
.scene-row .k{font-size:13px;color:#8B939E;flex:0 0 84px;}
.scene-row .v{font-size:14px;color:#EDEAE3;font-weight:600;}

/* ============ 步骤 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step-item{position:relative;padding-top:26px;border-top:2px solid var(--line);}
.step-item::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:-15px;left:0;
  background:var(--paper);padding-right:12px;
  font-size:14px;font-weight:800;color:var(--amber-dark);font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.step-item h3{font-size:1.05rem;margin-bottom:10px;}
.step-item p{font-size:14.5px;color:var(--muted);margin:0;}

/* ============ FAQ ============ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px 28px;}
.faq .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq .accordion-item:last-child{border-bottom:0;}
.faq .accordion-button{
  background:transparent;box-shadow:none;border:0;
  padding:22px 40px 22px 0;font-size:17px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;
}
.faq .accordion-button:not(.collapsed){color:var(--ink);background:transparent;}
.faq .accordion-button:focus{box-shadow:none;outline:none;}
.faq .accordion-button:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.faq .accordion-button::after{
  content:"";background-image:none;width:11px;height:11px;margin-left:auto;
  border-right:2px solid var(--amber);border-bottom:2px solid var(--amber);
  transform:rotate(45deg);transform-origin:center;transition:transform .22s ease;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.faq .accordion-body{padding:0 40px 24px 0;color:var(--muted);font-size:15.5px;}
.faq .accordion-collapse{transition:height .22s ease;}

/* ============ CTA ============ */
.cta-panel{
  background:linear-gradient(120deg,#0B0F14 0%,#161B22 62%,#1E2530 100%);
  border-radius:24px;padding:52px;color:#D7DAE0;position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,163,62,.22),transparent 68%);
}
.cta-panel h2{color:#fff;margin-bottom:14px;position:relative;z-index:2;}
.cta-panel p{color:#AEB4BC;position:relative;z-index:2;}
.cta-form{display:flex;gap:12px;position:relative;z-index:2;}
.cta-form input{
  flex:1;height:48px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 20px;outline:none;transition:.2s;
}
.cta-form input::placeholder{color:#8890A0;}
.cta-form input:focus{border-color:var(--amber);background:rgba(255,255,255,.1);}
.cta-form input.is-error{border-color:var(--live);}
.form-msg{font-size:13px;margin-top:10px;position:relative;z-index:2;min-height:20px;}
.form-msg.ok{color:#69C7B9;}
.form-msg.err{color:#F08D82;}

/* ============ 底部 ============ */
.site-footer{background:var(--ink);color:#AEB4BC;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:#1E2530;}
.footer-brand .brand-text{color:#fff;font-size:16px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;}
.site-footer p{font-size:14px;color:#8F97A3;line-height:1.85;}
.footer-links li{margin-bottom:10px;font-size:14px;color:#8F97A3;}
.footer-links a{color:#AEB4BC;font-size:14px;}
.footer-links a:hover{color:var(--amber);}
.footer-sub{display:flex;gap:8px;margin-top:4px;}
.footer-sub input{
  flex:1;height:42px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);color:#fff;padding:0 14px;font-size:14px;outline:none;transition:.2s;
}
.footer-sub input::placeholder{color:#7E8794;}
.footer-sub input:focus{border-color:var(--amber);background:rgba(255,255,255,.09);}
.footer-sub input.is-error{border-color:var(--live);}
.footer-sub button{
  height:42px;padding:0 20px;border-radius:var(--radius-sm);border:0;
  background:var(--amber);color:var(--ink);font-weight:700;cursor:pointer;transition:.2s;
}
.footer-sub button:hover{background:#EDB252;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7E8794;
}
.footer-bottom a{color:#9BA3AE;}
.footer-bottom a:hover{color:var(--amber);}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);animation:rise .5s ease forwards;}
.reveal.d1{animation-delay:.06s;}
.reveal.d2{animation-delay:.12s;}
.reveal.d3{animation-delay:.18s;}
.reveal.d4{animation-delay:.24s;}
@keyframes rise{to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-search input{width:140px;}
  .main-nav{gap:20px;}
  .main-nav a{font-size:14px;}
}
@media (max-width:991.98px){
  :root{--sec-y:56px;}
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;gap:12px;}
  .brand-text{font-size:15.5px;}
  .hero-inner{padding:56px 0 60px;}
  .hero-sub{font-size:16px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric{border-bottom:1px solid var(--line);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(3),.metric:nth-child(4){border-bottom:0;}
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .cta-panel{padding:40px 32px;}
}
@media (max-width:767.98px){
  .hero h1{font-size:2rem;}
  .hero-actions .btn-amber,.hero-actions .btn-outline-light{width:100%;}
  .hero-actions{gap:10px;}
  .split-visual img{aspect-ratio:16/10;}
  .cta-form{flex-direction:column;}
  .cta-form .btn-amber{width:100%;}
  .faq-wrap{padding:4px 20px;}
  .faq .accordion-button{font-size:16px;padding:18px 34px 18px 0;}
  .faq .accordion-body{padding-right:10px;}
  .scene-card{padding:22px;}
}
@media (max-width:575.98px){
  :root{--sec-y:40px;}
  .container-xxl{padding-left:16px;padding-right:16px;}
  .metrics-grid{grid-template-columns:1fr;}
  .metric{border-right:0;padding:22px 0;}
  .metric:nth-child(3){border-bottom:1px solid var(--line);}
  .steps-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-panel{padding:32px 20px;border-radius:18px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .brand-text{font-size:14.5px;}
  .scene-card{padding:16px;}
  .live-panel{padding:18px;}
  .fixture-time{flex-basis:46px;}
}

/* roulang page: category1 */
:root{
  --ink:#0B0F14;
  --charcoal:#161B22;
  --amber:#E0A33E;
  --amber-deep:#C4862A;
  --teal:#2F9E8F;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --text:#2F353D;
  --muted:#68717C;
  --border:#E7E1D8;
  --radius-xl:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 4px 14px rgba(11,15,20,.05);
  --shadow:0 12px 32px rgba(11,15,20,.08);
  --shadow-lg:0 22px 54px rgba(11,15,20,.14);
  --sec-y:72px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{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:1.8;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--amber-deep);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;line-height:1.28;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;}

.container-xxl{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 按钮 ============ */
.btn-amber,.btn-outline-ink,.btn-ghost-link{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;letter-spacing:.01em;border-radius:999px;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  cursor:pointer;
}
.btn-amber{
  background:var(--amber);color:var(--ink);border:1px solid var(--amber);
  height:48px;padding:0 26px;font-size:15px;box-shadow:0 8px 20px rgba(224,163,62,.28);
}
.btn-amber:hover{background:#F0B75A;border-color:#F0B75A;color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,163,62,.36);}
.btn-amber:active{transform:translateY(0);}
.btn-outline-ink{
  background:transparent;color:var(--ink);border:1px solid rgba(11,15,20,.55);
  height:48px;padding:0 26px;font-size:15px;
}
.btn-outline-ink:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-1px);}
.btn-ghost-link{
  background:none;border:none;padding:0;color:var(--ink);font-weight:700;
  border-bottom:2px solid var(--amber);border-radius:0;height:auto;
}
.btn-ghost-link:hover{color:var(--amber-deep);transform:translateY(-1px);}
.btn-block-mobile{width:100%;}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 10px rgba(11,15,20,.04);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:24px;margin-left:6px;flex:1 1 auto;}
.main-nav a{
  position:relative;font-size:15px;font-weight:600;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--amber);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:800;}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:200px;height:42px;border:1px solid var(--border);background:#fff;
  border-radius:999px;padding:0 44px 0 18px;color:var(--text);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease,width .2s ease;
}
.nav-search input::placeholder{color:#9AA2AB;}
.nav-search input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,163,62,.18);}
.nav-search button{
  position:absolute;right:6px;width:32px;height:32px;border:none;border-radius:50%;
  background:var(--ink);color:var(--amber);display:grid;place-items:center;cursor:pointer;
  transition:background .2s ease;
}
.nav-search button:hover{background:var(--charcoal);}
.nav-cta{height:42px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;
  border-radius:12px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.offcanvas.drawer{background:#fff;width:320px;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);}
.drawer-body{padding:20px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.drawer-nav a{
  padding:13px 14px;border-radius:var(--radius-sm);font-weight:600;color:var(--text);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--paper);color:var(--ink);}
.drawer-nav a.active{background:rgba(224,163,62,.14);border-color:rgba(224,163,62,.45);color:var(--ink);}
.drawer-search{display:flex;gap:10px;margin-bottom:14px;}
.drawer-search input{
  flex:1;height:46px;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:0 14px;background:#fff;
}
.drawer-search input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,163,62,.18);}

/* ============ 面包屑 ============ */
.crumb{padding:18px 0 0;font-size:13px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;list-style:none;margin:0;padding:0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--amber-deep);}
.crumb li+li::before{content:"/";margin-right:8px;color:#C6C0B6;}

/* ============ Hero ============ */
.hero-cat{
  position:relative;color:var(--paper);overflow:hidden;
  background:
    linear-gradient(102deg,rgba(11,15,20,.94) 0%,rgba(11,15,20,.82) 46%,rgba(11,15,20,.62) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(224,163,62,.55) 1px,transparent 1px);
  background-size:34px 34px;opacity:.14;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:78px 0 84px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(224,163,62,.14);border:1px solid rgba(224,163,62,.42);
  color:var(--amber);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:20px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(224,163,62,.22);}
.hero-cat h1{
  color:#fff;font-size:clamp(2.2rem,4vw,3.5rem);font-weight:800;letter-spacing:-.03em;
  line-height:1.16;margin-bottom:20px;
}
.hero-cat h1 em{font-style:normal;color:var(--amber);}
.hero-lead{color:rgba(247,245,240,.78);font-size:17px;max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;
  border-radius:999px;font-weight:700;font-size:15px;border:1px solid rgba(247,245,240,.42);
  color:var(--paper);background:transparent;transition:all .2s ease;
}
.btn-on-dark:hover{background:rgba(247,245,240,.12);color:#fff;transform:translateY(-1px);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-chip{
  font-size:13px;color:rgba(247,245,240,.86);border:1px solid rgba(247,245,240,.24);
  border-radius:999px;padding:5px 13px;background:rgba(255,255,255,.04);
}
.hero-panel{
  background:rgba(22,27,34,.72);border:1px solid rgba(224,163,62,.3);border-radius:var(--radius-xl);
  padding:26px 26px 22px;backdrop-filter:blur(6px);box-shadow:var(--shadow-lg);
}
.hero-panel h2{color:#fff;font-size:17px;font-weight:800;margin-bottom:6px;}
.hero-panel .panel-sub{color:rgba(247,245,240,.62);font-size:13px;margin-bottom:18px;}
.mini-step{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(247,245,240,.16);}
.mini-step:last-of-type{border-bottom:none;}
.mini-step .idx{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;background:rgba(224,163,62,.16);
  color:var(--amber);font-weight:800;font-size:13px;display:grid;place-items:center;
}
.mini-step .txt{color:rgba(247,245,240,.86);font-size:14px;line-height:1.65;}
.mini-step .txt strong{display:block;color:#fff;font-size:15px;margin-bottom:2px;}
.status-strip{
  margin-top:20px;display:flex;align-items:center;gap:10px;font-size:12.5px;
  color:rgba(47,158,143,.95);background:rgba(47,158,143,.1);
  border:1px solid rgba(47,158,143,.34);border-radius:12px;padding:9px 12px;
}
.status-strip .pulse{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(47,158,143,.2);}

/* ============ 锚点导读 ============ */
.anchor-wrap{background:#fff;border-bottom:1px solid var(--border);}
.anchor-bar{
  display:flex;align-items:center;gap:12px;padding:16px 0;overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-bar .anchor-label{
  flex:0 0 auto;font-size:13px;font-weight:800;color:var(--muted);letter-spacing:.06em;
  padding-right:12px;border-right:1px solid var(--border);
}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--border);color:var(--text);font-size:14px;font-weight:600;background:#fff;
  transition:all .2s ease;
}
.anchor-pill:hover{border-color:var(--amber);color:var(--ink);background:rgba(224,163,62,.1);transform:translateY(-1px);}

/* ============ 通用板块 ============ */
.sec{padding:var(--sec-y) 0;scroll-margin-top:96px;}
.sec-alt{background:#fff;}
.sec-ink{background:var(--ink);color:var(--paper);}
.sec-ink h2,.sec-ink h3{color:#fff;}
.sec-head{max-width:760px;margin-bottom:42px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--amber-deep);
  letter-spacing:.08em;margin-bottom:14px;
}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px;}
.sec-title{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:750;margin-bottom:14px;}
.sec-lead{color:var(--muted);font-size:16.5px;line-height:1.85;margin:0;}
.sec-ink .sec-lead{color:rgba(247,245,240,.7);}

/* ============ 访问路径：左文右图 + 步骤条 ============ */
.route-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start;}
.steps{border-top:1px solid var(--border);}
.step{
  display:grid;grid-template-columns:52px 1fr;gap:20px;
  padding:24px 0;border-bottom:1px solid var(--border);
}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--amber);
  display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.02em;
  transition:background .25s ease,color .25s ease;
}
.step:hover .step-num{background:var(--amber);color:var(--ink);}
.step h3{font-size:1.15rem;font-weight:750;margin-bottom:8px;}
.step p{color:var(--muted);font-size:15px;margin:0;}
.route-media{position:relative;}
.media-frame{
  border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--border);
  background:#fff;box-shadow:var(--shadow);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .45s ease;}
.media-frame:hover img{transform:scale(1.03);}
.media-caption{
  font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7;
}
.side-note{
  margin-top:22px;background:#fff;border:1px solid var(--border);border-left:3px solid var(--teal);
  border-radius:var(--radius);padding:18px 20px;
}
.side-note h4{font-size:15px;font-weight:800;margin-bottom:8px;}
.side-note p{font-size:14px;color:var(--muted);margin:0;}

/* ============ 入口矩阵（非等宽网格） ============ */
.matrix-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.m-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-xl);
  padding:26px;display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(224,163,62,.45);}
.m-card h3{font-size:1.15rem;font-weight:750;}
.m-card p{color:var(--muted);font-size:14.5px;margin:0;}
.m-card .m-list{margin-top:4px;display:flex;flex-direction:column;gap:8px;}
.m-card .m-list li{
  font-size:14px;color:var(--text);padding-left:18px;position:relative;
}
.m-card .m-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;
  background:rgba(224,163,62,.85);
}
.m-a{grid-column:span 6;}
.m-b{grid-column:span 3;}
.m-c{grid-column:span 3;}
.m-d{grid-column:span 5;}
.m-e{grid-column:span 7;}
.m-card.dark{
  background:var(--charcoal);border-color:rgba(224,163,62,.28);color:var(--paper);
}
.m-card.dark h3{color:#fff;}
.m-card.dark p{color:rgba(247,245,240,.7);}
.m-card.dark .m-list li{color:rgba(247,245,240,.86);}
.m-card.dark .m-list li::before{background:var(--teal);}
.m-media{border-radius:var(--radius);overflow:hidden;margin-top:auto;}
.m-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease;}
.m-card:hover .m-media img{transform:scale(1.03);}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:rgba(47,158,143,.12);color:#22786D;
  border:1px solid rgba(47,158,143,.28);align-self:flex-start;
}
.badge-amber{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:rgba(224,163,62,.16);color:var(--amber-deep);
  border:1px solid rgba(224,163,62,.4);align-self:flex-start;
}

/* ============ 指标条 ============ */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--charcoal);border:1px solid rgba(224,163,62,.22);border-radius:var(--radius-xl);
  overflow:hidden;margin-top:34px;
}
.metric{padding:26px 24px;border-right:1px solid rgba(247,245,240,.1);}
.metric:last-child{border-right:none;}
.metric .num{
  font-size:clamp(1.6rem,2.4vw,2.1rem);font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;
}
.metric .lbl{color:rgba(247,245,240,.72);font-size:14px;margin-top:6px;}

/* ============ 核对清单 ============ */
.check-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px;}
.check-list li{
  position:relative;padding-left:30px;font-size:15px;color:var(--text);line-height:1.7;
}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:rgba(47,158,143,.14);color:#22786D;font-size:12px;font-weight:800;
  display:grid;place-items:center;margin-top:4px;
}
.check-visual{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);}
.check-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ 中部 CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--amber) 0%,#F0BC63 100%);
  border-radius:var(--radius-xl);padding:44px 46px;color:var(--ink);
  display:grid;grid-template-columns:8fr 4fr;gap:34px;align-items:center;
  box-shadow:0 20px 46px rgba(224,163,62,.28);
}
.cta-band h2{font-size:clamp(1.5rem,2.3vw,2rem);font-weight:800;margin-bottom:12px;}
.cta-band p{font-size:15.5px;color:rgba(11,15,20,.76);margin:0;max-width:640px;}
.cta-band .band-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;
  border-radius:999px;background:var(--ink);color:var(--paper);font-weight:700;font-size:15px;
  border:1px solid var(--ink);transition:all .2s ease;
}
.btn-ink:hover{background:var(--charcoal);color:#fff;transform:translateY(-1px);}
.btn-ink-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;
  border-radius:999px;background:transparent;color:var(--ink);border:1px solid rgba(11,15,20,.5);
  font-weight:700;font-size:15px;transition:all .2s ease;
}
.btn-ink-ghost:hover{background:rgba(11,15,20,.08);transform:translateY(-1px);color:var(--ink);}

/* ============ FAQ 手风琴 ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq .accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--border);border-radius:0;
}
.faq .accordion-button{
  background:transparent;box-shadow:none;padding:22px 44px 22px 0;font-size:16.5px;
  font-weight:700;color:var(--ink);position:relative;border-radius:0;
}
.faq .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-button::after{
  display:none;
}
.faq .accordion-button .mark{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;border:1px solid var(--border);
  display:grid;place-items:center;color:var(--amber-deep);font-weight:800;font-size:15px;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  line-height:1;
}
.faq .accordion-button:not(.collapsed) .mark{
  background:var(--amber);border-color:var(--amber);color:var(--ink);transform:translateY(-50%) rotate(45deg);
}
.faq .accordion-body{
  padding:0 44px 24px 0;color:var(--muted);font-size:15px;line-height:1.85;
}
.faq .accordion-collapse{transition:height .22s ease;}

/* ============ 联系 / 表单 ============ */
.contact-grid{display:grid;grid-template-columns:6fr 6fr;gap:52px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-xl);
  padding:30px;box-shadow:var(--shadow-sm);
}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:13px 15px;background:#fff;color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row textarea{min-height:110px;resize:vertical;line-height:1.7;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,163,62,.18);
}
.form-hint{font-size:13px;color:var(--muted);margin-top:8px;}
.form-msg{font-size:14px;margin-top:14px;display:none;border-radius:var(--radius-sm);padding:10px 14px;}
.form-msg.ok{display:block;background:rgba(47,158,143,.12);color:#22786D;border:1px solid rgba(47,158,143,.3);}
.form-msg.err{display:block;background:rgba(198,74,58,.1);color:#B0432F;border:1px solid rgba(198,74,58,.3);}
.info-list{display:grid;gap:16px;}
.info-item{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:20px 22px;transition:transform .25s ease,box-shadow .25s ease;
}
.info-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);}
.info-item .ico{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:rgba(224,163,62,.16);
  color:var(--amber-deep);display:grid;place-items:center;font-weight:800;font-size:15px;
}
.info-item h4{font-size:15.5px;font-weight:750;margin-bottom:4px;}
.info-item p{font-size:14px;color:var(--muted);margin:0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(247,245,240,.78);padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.06);}
.footer-brand .brand-text{color:#fff;font-size:16px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(247,245,240,.66);margin:0;}
.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;letter-spacing:.01em;}
.footer-links li{font-size:14px;color:rgba(247,245,240,.66);margin-bottom:10px;line-height:1.7;}
.footer-links a{color:rgba(247,245,240,.66);}
.footer-links a:hover{color:var(--amber);}
.footer-sub{display:flex;gap:10px;margin-bottom:6px;}
.footer-sub input{
  flex:1;min-width:0;height:46px;border-radius:var(--radius-sm);border:1px solid rgba(247,245,240,.18);
  background:rgba(255,255,255,.05);color:#fff;padding:0 14px;font-size:14px;
}
.footer-sub input::placeholder{color:rgba(247,245,240,.42);}
.footer-sub input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,163,62,.2);}
.footer-sub button{
  height:46px;padding:0 20px;border-radius:var(--radius-sm);border:none;background:var(--amber);
  color:var(--ink);font-weight:800;cursor:pointer;transition:all .2s ease;
}
.footer-sub button:hover{background:#F0B75A;transform:translateY(-1px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,245,240,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(247,245,240,.5);
}
.footer-bottom a{color:rgba(247,245,240,.62);}
.footer-bottom a:hover{color:var(--amber);}
.footer-note{font-size:12.5px;color:rgba(247,245,240,.45);margin-top:10px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container-xxl{padding-left:22px;padding-right:22px;}
  .nav-search input{width:160px;}
  .main-nav{gap:18px;}
  .hero-inner{grid-template-columns:6fr 6fr;gap:40px;}
  .m-d{grid-column:span 12;}
  .m-e{grid-column:span 12;}
}
@media (max-width:991.98px){
  :root{--sec-y:56px;}
  .main-nav,.nav-search,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{height:64px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:56px 0 62px;}
  .route-grid{grid-template-columns:1fr;gap:38px;}
  .matrix-grid{grid-template-columns:repeat(6,1fr);}
  .m-a,.m-b,.m-c,.m-d,.m-e{grid-column:span 6;}
  .metric-strip{grid-template-columns:1fr 1fr;}
  .metric{border-right:none;border-bottom:1px solid rgba(247,245,240,.1);}
  .metric:nth-child(odd){border-right:1px solid rgba(247,245,240,.1);}
  .metric:nth-child(3),.metric:nth-child(4){border-bottom:none;}
  .check-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;gap:24px;}
  .cta-band .band-actions{justify-content:flex-start;}
  .contact-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  :root{--sec-y:40px;}
  body{font-size:15.5px;}
  .hero-cat h1{font-size:2rem;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn-amber,.hero-actions .btn-on-dark{width:100%;}
  .sec-title{font-size:1.55rem;}
  .matrix-grid{grid-template-columns:1fr;}
  .m-a,.m-b,.m-c,.m-d,.m-e{grid-column:span 1;}
  .check-list{grid-template-columns:1fr;}
  .check-visual img{aspect-ratio:16/9;}
  .cta-band{padding:28px 20px;}
  .cta-band .band-actions .btn-ink,.cta-band .band-actions .btn-ink-ghost{width:100%;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-sub{flex-direction:column;}
  .footer-sub button{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .faq .accordion-button{font-size:15.5px;padding-right:40px;}
  .faq .accordion-body{padding-right:12px;}
}
@media (max-width:575.98px){
  .container-xxl{padding-left:16px;padding-right:16px;}
  .m-card{padding:18px;}
  .step{grid-template-columns:42px 1fr;gap:14px;}
  .step-num{width:38px;height:38px;font-size:14px;}
  .anchor-bar{padding:12px 0;}
  .hero-panel{padding:20px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --ink:#0B0F14;
  --charcoal:#161B22;
  --amber:#E0A33E;
  --amber-soft:#eab15a;
  --amber-dark:#b8801f;
  --teal:#2F9E8F;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --text:#2F353D;
  --muted:#68717C;
  --border:#E7E1D8;
  --radius-lg:20px;
  --radius:18px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-sm:0 1px 2px rgba(11,15,20,.05);
  --shadow-md:0 16px 34px rgba(11,15,20,.10);
  --section-y:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-0.02em;font-weight:750;line-height:1.3;}
p{margin:0 0 1em;}
ul{list-style:none;margin:0;padding:0;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;}

.container-xxl{max-width:1280px;}

/* ---------- 通用组件 ---------- */
.section{padding:var(--section-y) 0;}
.section--paper{background:var(--paper);}
.section--white{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--amber-dark);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px;}
.section-head{max-width:780px;margin-bottom:40px;}
.section-title{
  font-size:clamp(1.6rem,2.6vw,2.4rem);
  font-weight:750;letter-spacing:-0.025em;color:var(--ink);
  margin:14px 0 14px;
}
.section-sub{color:var(--muted);font-size:16px;line-height:1.85;margin:0;}
.text-amber{color:var(--amber-dark);}

.btn-amber{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:0;border-radius:var(--pill);
  background:var(--amber);color:var(--ink);font-weight:700;font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;cursor:pointer;
}
.btn-amber:hover{background:var(--amber-soft);transform:translateY(-1px);box-shadow:0 12px 24px rgba(224,163,62,.32);color:var(--ink);}
.btn-amber:active{transform:translateY(0);box-shadow:none;}
.btn-outline-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:1.5px solid var(--ink);border-radius:var(--pill);
  background:transparent;color:var(--ink);font-weight:700;font-size:15px;
  transition:transform .2s ease,background .2s ease,color .2s ease;cursor:pointer;
}
.btn-outline-ink:hover{background:var(--ink);color:#F7F5F0;transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;
  color:var(--ink);border-bottom:2px solid var(--amber);padding-bottom:2px;
}
.btn-ghost:hover{color:var(--amber-dark);border-bottom-color:var(--amber-dark);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(11,15,20,.02);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-0.02em;color:var(--ink);white-space:nowrap;}

.main-nav{display:flex;align-items:center;gap:4px;flex:1;min-width:0;}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:var(--pill);
  font-size:15px;color:var(--text);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:rgba(224,163,62,.13);color:var(--ink);}
.main-nav a.active{color:var(--ink);font-weight:700;}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--amber);border-radius:2px;
}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{display:flex;align-items:center;gap:6px;background:var(--paper);border:1px solid var(--border);border-radius:var(--pill);padding:4px 6px 4px 14px;transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,163,62,.16);}
.nav-search input{border:0;background:transparent;outline:none;width:140px;font-size:14px;}
.nav-search button{
  width:32px;height:32px;border:0;border-radius:50%;background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s ease;
}
.nav-search button:hover{background:var(--amber);color:var(--ink);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;background:#fff;z-index:1029;
  padding:20px 18px 40px;overflow-y:auto;
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;border-bottom:1px solid var(--border);font-size:16px;font-weight:600;color:var(--ink);
}
.mobile-drawer a.drawer-link.active{color:var(--amber-dark);}
.mobile-drawer .drawer-search{display:flex;gap:8px;margin-bottom:18px;}
.mobile-drawer .drawer-search input{
  flex:1;height:46px;border:1px solid var(--border);border-radius:var(--pill);padding:0 16px;background:var(--paper);outline:none;
}
.mobile-drawer .btn-amber{width:100%;margin-top:22px;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 60px;background:var(--paper);overflow:hidden;}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden;}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(11,15,20,.055) 1px,transparent 1px);
  background-size:24px 24px;opacity:.7;
}
.hero-bg::after{
  content:"";position:absolute;right:-80px;top:-120px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,163,62,.18),rgba(224,163,62,0) 68%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;}
.hero h1{
  font-size:clamp(2.2rem,4vw,3.4rem);font-weight:800;letter-spacing:-0.03em;
  line-height:1.18;margin:18px 0 20px;color:var(--ink);
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--muted);max-width:600px;margin-bottom:26px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:8px 15px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);font-size:14px;color:var(--text);
  transition:border-color .2s ease,transform .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--amber);color:var(--ink);transform:translateY(-1px);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:26px;border-top:1px solid var(--border);}
.hero-stat strong{display:block;font-size:23px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-0.02em;}
.hero-stat span{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--border);box-shadow:var(--shadow-md);
}
.hero-note{
  position:absolute;left:-16px;bottom:-20px;background:#fff;border:1px solid var(--border);
  border-radius:16px;padding:16px 20px;box-shadow:var(--shadow-md);max-width:280px;
}
.hero-note strong{display:block;font-size:14px;color:var(--ink);margin-bottom:4px;}
.hero-note span{font-size:13px;color:var(--muted);line-height:1.7;display:block;}

/* ---------- 问题分组 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.topic-card{
  display:grid;grid-template-columns:auto 1fr;gap:20px;padding:26px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(224,163,62,.5);}
.topic-num{
  font-size:22px;font-weight:800;color:var(--amber);line-height:1;
  font-variant-numeric:tabular-nums;padding-top:2px;
}
.topic-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.topic-card p{margin:0;font-size:15px;color:var(--muted);line-height:1.8;}
.topic-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:14px;font-weight:700;color:var(--teal);
}
.topic-link:hover{color:var(--amber-dark);}

/* ---------- FAQ ---------- */
.faq-columns{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.faq-group-title{
  display:inline-block;font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--muted);
  padding-bottom:10px;border-bottom:2px solid var(--ink);margin-bottom:6px;
}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--border);}
.accordion-button{
  position:relative;background:transparent;border-radius:0 !important;
  padding:20px 46px 20px 0;font-size:16.5px;font-weight:600;color:var(--ink);
  box-shadow:none !important;transition:color .2s ease;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--ink);}
.accordion-button:hover{color:var(--amber-dark);}
.accordion-button::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:auto;height:auto;background-image:none;font-size:22px;font-weight:400;
  line-height:1;color:var(--amber);transition:transform .22s ease,color .22s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%) rotate(180deg);color:var(--amber-dark);}
.accordion-button:focus{box-shadow:none !important;border-color:transparent;}
.accordion-body{padding:0 40px 22px 0;font-size:15.5px;line-height:1.85;color:var(--muted);}
.accordion-body ul{margin:10px 0 0;}
.accordion-body li{position:relative;padding-left:16px;margin-bottom:8px;}
.accordion-body li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--teal);}
.faq-note{
  margin-top:36px;background:#fff;border:1px solid var(--border);border-left:3px solid var(--amber);
  border-radius:12px;padding:20px 24px;font-size:15px;color:var(--muted);line-height:1.85;
}
.faq-note strong{color:var(--ink);}

/* ---------- 排查流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.flow-item{position:relative;padding-top:24px;border-top:2px solid var(--border);}
.flow-item::before{content:"";position:absolute;top:-2px;left:0;width:56px;height:2px;background:var(--amber);border-radius:2px;}
.step-num{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--amber-dark);margin-bottom:10px;display:block;}
.flow-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.flow-item p{margin:0;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- 相关入口 ---------- */
.related{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:10px 28px;box-shadow:var(--shadow-sm);}
.related-list li + li{border-top:1px solid var(--border);}
.related-list a{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 2px;transition:padding-left .22s ease;}
.related-list a:hover{padding-left:12px;}
.related-list a:hover strong{color:var(--amber-dark);}
.related-list strong{display:block;font-size:17px;font-weight:700;color:var(--ink);transition:color .2s ease;}
.related-list .desc{display:block;font-size:14px;color:var(--muted);margin-top:5px;}
.related-arrow{flex-shrink:0;width:34px;height:34px;border-radius:50%;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;color:var(--amber-dark);transition:background .2s ease,color .2s ease,border-color .2s ease;}
.related-list a:hover .related-arrow{background:var(--amber);border-color:var(--amber);color:var(--ink);}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;background:var(--charcoal);color:#EDEAE4;
  border-radius:24px;padding:48px;display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:start;
}
.cta-panel::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,163,62,.3),rgba(224,163,62,0) 70%);
}
.cta-left{position:relative;z-index:1;}
.cta-panel h2{color:#fff;font-size:clamp(1.5rem,2.2vw,2rem);font-weight:750;margin-bottom:16px;}
.cta-panel p{color:rgba(237,234,228,.76);line-height:1.9;font-size:15.5px;}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(237,234,228,.86);}
.cta-points li::before{content:"";flex-shrink:0;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--amber);}
.cta-form{position:relative;z-index:1;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:14px;font-weight:600;color:#EDEAE4;margin-bottom:8px;}
.form-field input,.form-field textarea{
  width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:12px;padding:12px 14px;font-size:15px;color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field textarea{min-height:110px;resize:vertical;}
.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(255,255,255,.42);}
.form-field input:focus,.form-field textarea:focus{
  outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,163,62,.2);
}
.form-field.has-error input,.form-field.has-error textarea{border-color:#F0908A;}
.form-hint{font-size:13px;color:rgba(237,234,228,.6);margin-top:12px;}
.form-status{margin-top:14px;font-size:14px;font-weight:600;min-height:20px;}
.form-status.ok{color:#63D3C1;}
.form-status.err{color:#F0908A;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E9E6E0;padding:56px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1.1fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.07);}
.footer-brand .brand-text{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(233,230,224,.7);}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links li{font-size:14px;color:rgba(233,230,224,.7);margin-bottom:10px;}
.footer-links a{color:rgba(233,230,224,.72);}
.footer-links a:hover{color:var(--amber);}
.footer-sub{display:flex;gap:8px;}
.footer-sub input{
  flex:1;min-width:0;height:44px;border-radius:var(--pill);padding:0 16px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.42);}
.footer-sub input:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,163,62,.18);}
.footer-sub button{
  height:44px;padding:0 20px;border:0;border-radius:var(--pill);background:var(--amber);
  color:var(--ink);font-weight:700;font-size:15px;cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.footer-sub button:hover{background:var(--amber-soft);transform:translateY(-1px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(233,230,224,.6);
}
.footer-bottom a{color:rgba(233,230,224,.75);}
.footer-bottom a:hover{color:var(--amber);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .container-xxl{max-width:1200px;}
}
@media (max-width:1199.98px){
  .hero-grid{gap:38px;}
  .faq-columns{gap:34px;}
  .nav-search input{width:110px;}
}
@media (max-width:991.98px){
  :root{--section-y:56px;}
  .header-inner{height:64px;}
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-drawer{top:64px;}
  .hero{padding:48px 0 44px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-sub{max-width:none;}
  .hero-note{left:auto;right:14px;bottom:-16px;max-width:250px;}
  .topic-grid{grid-template-columns:1fr;}
  .faq-columns{grid-template-columns:1fr;gap:38px;}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  :root{--section-y:40px;}
  body{font-size:15.5px;}
  .hero{padding:36px 0 40px;}
  .hero h1{font-size:2rem;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn-amber,.hero-actions .btn-outline-ink{width:100%;}
  .hero-stats{gap:22px;}
  .hero-stat strong{font-size:20px;}
  .hero-note{position:static;margin-top:16px;max-width:none;}
  .topic-card{padding:20px;gap:14px;}
  .accordion-button{font-size:15.5px;padding:18px 40px 18px 0;}
  .accordion-body{padding-right:0;font-size:15px;}
  .flow{grid-template-columns:1fr;gap:24px;}
  .related{padding:6px 18px;}
  .related-list a{padding:18px 0;}
  .cta-panel{padding:26px 20px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-sub{flex-direction:column;}
  .footer-sub button{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --ink:#0B0F14;
  --coal:#161B22;
  --coal-soft:#1E252E;
  --amber:#E0A33E;
  --amber-deep:#C4862A;
  --teal:#2F9E8F;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --text:#2F353D;
  --muted:#68717C;
  --line:#E7E1D8;
  --line-dark:rgba(255,255,255,.12);
  --radius-xl:22px;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:12px;
  --shadow-xs:0 1px 2px rgba(11,15,20,.05);
  --shadow-sm:0 6px 18px rgba(11,15,20,.06);
  --shadow-md:0 14px 34px rgba(11,15,20,.10);
  --shadow-lg:0 24px 56px rgba(11,15,20,.18);
  --sec-pad:72px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:750;letter-spacing:-.02em;color:var(--ink);line-height:1.28;}
h1{font-size:clamp(2.2rem,4vw,4rem);font-weight:800;letter-spacing:-.03em;}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;}
.container-xxl{max-width:1320px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-weight:650;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;}
.btn:hover{transform:translateY(-1px);}
.btn-amber{background:var(--amber);color:var(--ink);box-shadow:0 8px 20px rgba(224,163,62,.28);}
.btn-amber:hover{background:#EFB44F;box-shadow:0 12px 26px rgba(224,163,62,.36);}
.btn-ink{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ink:hover{background:var(--ink);color:#F7F5F0;}
.btn-ghost{background:transparent;color:var(--ink);padding:0;height:auto;border:none;border-bottom:1.5px solid var(--amber);border-radius:0;}
.btn-ghost:hover{color:var(--amber-deep);border-color:var(--amber-deep);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* 标签 / 徽章 */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:650;letter-spacing:.12em;color:var(--amber-deep);text-transform:none;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px;}
.eyebrow.on-dark{color:#F0C579;}
.badge-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;background:#FBF7EF;border:1px solid var(--line);font-size:12.5px;color:#7A6242;font-weight:600;}
.badge-chip.teal{background:#EFF7F5;border-color:#D3E9E4;color:#22786C;}
.badge-chip.dark{background:rgba(255,255,255,.06);border-color:var(--line-dark);color:#D8DEE6;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(11,15,20,.02);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--ink);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-xs);}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1 1 auto;}
.main-nav a{position:relative;font-size:14.5px;font-weight:600;color:#4A525C;padding:6px 0;}
.main-nav a:hover{color:var(--ink);}
.main-nav a.active{color:var(--ink);}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--amber);border-radius:2px;}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{display:flex;align-items:center;gap:6px;height:42px;padding:0 6px 0 16px;border:1px solid var(--line);border-radius:999px;background:#FBFAF7;transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(224,163,62,.16);}
.nav-search input{border:none;background:transparent;outline:none;width:150px;font-size:14px;}
.nav-search input::placeholder{color:#9AA2AC;}
.nav-search button{width:32px;height:32px;border-radius:50%;border:none;background:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;}
.nav-search button:hover{background:var(--coal-soft);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;padding:12px 4px;font-weight:600;color:#3A424C;border-bottom:1px solid #F1EDE6;}
.mobile-panel a.active{color:var(--amber-deep);}
.mobile-panel .m-search{display:flex;gap:8px;margin:14px 0 6px;}
.mobile-panel .m-search input{flex:1;height:44px;border:1px solid var(--line);border-radius:12px;padding:0 14px;outline:none;background:#FBFAF7;}
.mobile-panel .m-search input:focus{border-color:var(--amber);}

/* 通用板块 */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#FFFFFF;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{margin:14px 0 14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.sec-line{height:1px;background:var(--line);border:none;margin:0;}

/* Hero */
.hero-brand{position:relative;background:var(--ink);color:#E8EBEF;overflow:hidden;}
.hero-brand::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.34;}
.hero-brand::after{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 82% 22%, rgba(224,163,62,.24), transparent 46%),
  radial-gradient(circle at 12% 86%, rgba(47,158,143,.20), transparent 52%),
  linear-gradient(180deg, rgba(11,15,20,.72) 0%, rgba(11,15,20,.94) 100%);}
.hero-brand .container-xxl{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center;padding:76px 0 84px;}
.hero-brand h1{color:#FFFFFF;margin:18px 0 20px;}
.hero-sub{color:#B9C2CD;font-size:17px;max-width:620px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-brand .btn-ink{color:#FFFFFF;border-color:rgba(255,255,255,.42);}
.hero-brand .btn-ink:hover{background:#FFFFFF;color:var(--ink);border-color:#FFFFFF;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.quick-card{background:rgba(22,27,34,.86);border:1px solid var(--line-dark);border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow-lg);backdrop-filter:blur(4px);}
.quick-card h3{color:#FFFFFF;font-size:1.05rem;margin-bottom:6px;}
.quick-card .qc-note{color:#939CA7;font-size:13px;margin-bottom:18px;}
.quick-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.13);}
.quick-row:last-of-type{border-bottom:none;}
.quick-row dt{color:#98A2AD;font-size:13.5px;}
.quick-row dd{margin:0;color:#FFFFFF;font-weight:650;font-size:14px;text-align:right;}
.quick-card .btn{margin-top:18px;}

/* 数据条 */
.stats-bar{background:#FFFFFF;border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);}
.stat-item{background:#FFFFFF;padding:32px 26px;}
.stat-num{font-size:clamp(1.7rem,2.6vw,2.2rem);font-weight:800;color:var(--ink);letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-num small{font-size:15px;font-weight:650;color:var(--muted);margin-left:4px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--muted);}

/* 资质区 */
.qualify-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:38px;align-items:start;}
.qualify-main{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.qualify-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(224,163,62,.4);}
.qualify-main figure{margin:0;overflow:hidden;aspect-ratio:16/9;}
.qualify-main img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.qualify-main:hover img{transform:scale(1.03);}
.qualify-main .qm-body{padding:26px 28px 30px;}
.qualify-main h3{margin-bottom:12px;}
.qualify-main p{color:var(--muted);font-size:15px;}
.qualify-list{display:grid;gap:16px;}
.qualify-item{background:#FFFFFF;border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:var(--radius);padding:20px 22px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.qualify-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(224,163,62,.42);border-left-color:var(--amber);}
.qualify-item h3{font-size:1.05rem;margin-bottom:8px;}
.qualify-item p{color:var(--muted);font-size:14.5px;margin:0;}

/* 时间线 */
.section-dark{background:var(--ink);color:#C7CFD8;position:relative;overflow:hidden;}
.section-dark::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);background-size:22px 22px;}
.section-dark .container-xxl{position:relative;z-index:2;}
.section-dark h2,.section-dark h3{color:#FFFFFF;}
.section-dark .section-head p{color:#98A2AD;}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:14px;}
.tl-item{background:rgba(255,255,255,.045);border:1px solid var(--line-dark);border-radius:var(--radius-lg);padding:24px 22px;position:relative;transition:transform .25s ease,border-color .25s ease,background-color .25s ease;}
.tl-item:hover{transform:translateY(-4px);border-color:rgba(224,163,62,.45);background:rgba(255,255,255,.07);}
.tl-time{display:inline-block;font-size:12.5px;font-weight:650;color:#F0C579;letter-spacing:.06em;margin-bottom:12px;font-variant-numeric:tabular-nums;}
.tl-item h3{font-size:1.08rem;margin-bottom:9px;}
.tl-item p{color:#A6B0BB;font-size:14.5px;margin:0;}
.tl-dot{position:absolute;top:26px;right:24px;width:9px;height:9px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(224,163,62,.16);}

/* 联系通道 */
.channel-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;}
.channel-main{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;}
.channel-main h3{margin-bottom:12px;}
.channel-main p{color:var(--muted);font-size:15px;}
.channel-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:22px 0 0;}
.channel-meta div{background:#FBFAF7;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;}
.channel-meta dt{font-size:13px;color:var(--muted);margin-bottom:5px;}
.channel-meta dd{margin:0;font-weight:700;color:var(--ink);font-size:14.5px;}
.channel-side{display:grid;gap:24px;}
.channel-card{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(224,163,62,.4);}
.channel-card .cc-icon{width:44px;height:44px;border-radius:12px;background:#FBF7EF;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.channel-card h3{font-size:1.05rem;margin-bottom:8px;}
.channel-card p{color:var(--muted);font-size:14.5px;margin-bottom:14px;}
.channel-card a{font-size:14px;font-weight:650;color:var(--amber-deep);border-bottom:1.5px solid rgba(224,163,62,.5);}
.channel-card a:hover{color:var(--ink);border-color:var(--ink);}

/* 表单 */
.contact-layout{display:grid;grid-template-columns:1.25fr .85fr;gap:32px;align-items:start;}
.form-panel{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-sm);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field.full{grid-column:1 / -1;}
.form-field label{font-size:14px;font-weight:650;color:var(--ink);}
.form-field label .req{color:var(--amber-deep);margin-left:2px;}
.form-field input,.form-field select,.form-field textarea{border:1px solid var(--line);border-radius:var(--radius-sm);background:#FBFAF7;padding:12px 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.form-field textarea{min-height:132px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--amber);background:#fff;box-shadow:0 0 0 3px rgba(224,163,62,.16);}
.form-field .hint{font-size:12.5px;color:var(--muted);}
.form-field.invalid input,.form-field.invalid select,.form-field.invalid textarea{border-color:#C2453A;box-shadow:0 0 0 3px rgba(194,69,58,.12);}
.err-text{font-size:12.5px;color:#C2453A;display:none;}
.form-field.invalid .err-text{display:block;}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);}
.form-check input{width:18px;height:18px;margin-top:3px;accent-color:var(--amber);}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px;}
.form-msg{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-sm);font-size:14px;}
.form-msg.ok{display:block;background:#EFF7F5;border:1px solid #D3E9E4;color:#22786C;}
.form-msg.err{display:block;background:#FCF1EF;border:1px solid #F0D6D2;color:#C2453A;}
.info-panel{background:var(--ink);color:#B9C2CD;border-radius:var(--radius-xl);padding:30px;position:sticky;top:96px;}
.info-panel h3{color:#FFFFFF;font-size:1.1rem;margin-bottom:16px;}
.info-panel ul li{display:flex;gap:10px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.13);font-size:14.5px;}
.info-panel ul li:last-child{border-bottom:none;}
.info-panel .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);margin-top:9px;flex:0 0 auto;}
.info-panel .ip-mail{margin-top:18px;font-size:14px;color:#FFFFFF;font-weight:650;}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.step-item{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 22px;position:relative;transition:transform .22s ease,box-shadow .22s ease;}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);}
.step-no{font-size:13px;font-weight:700;color:var(--amber-deep);letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.step-item h3{font-size:1.05rem;margin:12px 0 9px;}
.step-item p{color:var(--muted);font-size:14.5px;margin:0;}
.promise{margin-top:34px;background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-xl);padding:28px 30px;display:grid;grid-template-columns:repeat(2,1fr);gap:14px 30px;}
.promise li{display:flex;gap:10px;font-size:15px;color:#454D57;align-items:flex-start;}
.promise svg{flex:0 0 auto;margin-top:5px;}

/* CTA */
.cta-panel{background:var(--ink);border-radius:var(--radius-xl);padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;position:relative;overflow:hidden;}
.cta-panel::before{content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(224,163,62,.22),transparent 68%);}
.cta-panel > div{position:relative;z-index:2;}
.cta-panel h2{color:#FFFFFF;margin-bottom:10px;font-size:clamp(1.4rem,2.2vw,2rem);}
.cta-panel p{color:#9CA6B1;margin:0;max-width:640px;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-panel .btn-ink{color:#FFFFFF;border-color:rgba(255,255,255,.42);}
.cta-panel .btn-ink:hover{background:#FFFFFF;color:var(--ink);border-color:#FFFFFF;}

/* 页脚 */
.site-footer{background:var(--ink);color:#A9B3BE;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1.05fr 1.15fr;gap:38px;padding-bottom:38px;border-bottom:1px solid var(--line-dark);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);}
.footer-brand .brand-text{color:#FFFFFF;font-weight:800;font-size:17px;}
.site-footer p{font-size:14px;color:#8F99A5;line-height:1.85;}
.site-footer h4{color:#FFFFFF;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-links li{margin-bottom:10px;font-size:14px;}
.footer-links a{color:#A9B3BE;}
.footer-links a:hover{color:var(--amber);}
.footer-sub{display:flex;gap:8px;margin-top:12px;}
.footer-sub input{flex:1;height:44px;border-radius:12px;border:1px solid var(--line-dark);background:rgba(255,255,255,.05);padding:0 14px;color:#FFFFFF;outline:none;font-size:14px;}
.footer-sub input::placeholder{color:#7C868F;}
.footer-sub input:focus{border-color:var(--amber);}
.footer-sub button{height:44px;padding:0 18px;border-radius:12px;border:none;background:var(--amber);color:var(--ink);font-weight:700;cursor:pointer;transition:background-color .2s ease,transform .2s ease;}
.footer-sub button:hover{background:#EFB44F;transform:translateY(-1px);}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#7C868F;}
.footer-bottom a{color:#B7C0CA;}
.footer-bottom a:hover{color:var(--amber);}

/* 响应式 */
@media (max-width:1199.98px){
  :root{--sec-pad:60px;}
  .main-nav{gap:18px;}
  .main-nav a{font-size:13.8px;}
  .nav-search input{width:118px;}
  .hero-grid{gap:34px;padding:64px 0 70px;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:64px;gap:14px;}
  .hero-grid{grid-template-columns:1fr;padding:52px 0 62px;}
  .hero-brand h1{margin:14px 0 16px;}
  .quick-card{max-width:560px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .qualify-grid,.channel-grid,.contact-layout{grid-template-columns:1fr;}
  .info-panel{position:static;}
  .promise{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  :root{--sec-pad:48px;}
  .container-xxl{padding-left:18px;padding-right:18px;}
  h1{font-size:clamp(1.9rem,7vw,2.4rem);}
  .section-head{margin-bottom:28px;}
  .stat-item{padding:24px 20px;}
  .timeline,.steps{grid-template-columns:1fr;}
  .stage-grid{}
  .form-grid{grid-template-columns:1fr;}
  .form-panel{padding:24px 20px;}
  .channel-main{padding:24px 20px;}
  .channel-meta{grid-template-columns:1fr;}
  .cta-panel{padding:30px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .hero-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  :root{--sec-pad:40px;}
  .stats-grid{grid-template-columns:1fr;}
  .brand-text{font-size:15.5px;}
  .promise{padding:22px 20px;}
  .quick-card{padding:22px 20px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}