/* roulang page: index */
:root{
  --brand:#2A5CAA;
  --brand-dark:#1B3E77;
  --brand-light:#E8F0FB;
  --accent:#17936B;
  --accent-light:#E6F5EF;
  --warm:#E4622C;
  --warm-light:#FDEDE6;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --ink:#16202E;
  --ink-2:#4A5A70;
  --ink-3:#8493A6;
  --line:#E3EAF3;
  --line-soft:#DCE4EE;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow:0 1px 2px rgba(22,32,46,.05),0 8px 24px -14px rgba(22,32,46,.12);
  --shadow-hover:0 14px 34px -14px rgba(42,92,170,.28);
  --t:200ms ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.section-alt{background:#FFFFFF}
.section-head{margin-bottom:32px;max-width:760px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.2px}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head-row .section-head{margin-bottom:0}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.text-link svg{transition:transform var(--t)}
.text-link:hover svg{transform:translateX(2px)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(22,32,46,.08)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:var(--r-sm)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-line-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- chips ---------- */
.chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;line-height:1.6;padding:3px 9px;border-radius:999px;font-weight:600;letter-spacing:.2px}
.chip-brand{background:var(--brand-light);color:var(--brand)}
.chip-accent{background:var(--accent-light);color:var(--accent)}
.chip-warm{background:var(--warm-light);color:var(--warm)}

/* ---------- card ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:24px;transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#C9DBF2}
.card h3{font-size:19px;line-height:1.5;font-weight:600}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(22,32,46,.4)}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;letter-spacing:.5px;
}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.2px}
.logo-pill{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--brand-light);color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:14px;font-weight:500;color:var(--ink-2);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:36px;width:220px;padding:0 10px;
  background:#F1F5FA;border:1px solid transparent;border-radius:var(--r-sm);transition:all var(--t);
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,170,.14)}
.nav-search svg{flex-shrink:0;color:var(--ink-3)}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--ink);font-family:inherit;
}
.nav-search input::placeholder{color:var(--ink-3)}
.kbd{font-size:11px;color:var(--ink-3);border:1px solid var(--line-soft);border-radius:4px;padding:0 4px;line-height:16px;flex-shrink:0}
.nav-quiet{font-size:14px;color:var(--ink-2);font-weight:500}
.nav-quiet:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);color:var(--ink-2);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,24,38,.42);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:#fff;z-index:90;
  transform:translateX(105%);transition:transform 260ms ease;display:flex;flex-direction:column;
  box-shadow:-16px 0 40px -24px rgba(22,32,46,.5);
}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:34px;height:34px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink-2);cursor:pointer;display:flex;align-items:center;justify-content:center}
.drawer-body{padding:20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.drawer-label{font-size:12px;color:var(--ink-3);letter-spacing:.4px;margin:8px 0 6px}
.drawer-link{display:block;padding:11px 12px;border-radius:var(--r-sm);font-size:15px;color:var(--ink);font-weight:500}
.drawer-link:hover{background:var(--brand-light);color:var(--brand)}
.drawer-link.active{background:var(--brand-light);color:var(--brand);font-weight:600}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.drawer-search{display:flex;align-items:center;gap:8px;height:42px;background:#F1F5FA;border-radius:var(--r-sm);padding:0 12px}
.drawer-search input{border:0;background:transparent;outline:none;font-size:14px;width:100%;font-family:inherit;color:var(--ink)}

/* ---------- announce ---------- */
.announce{background:var(--brand-light);border-bottom:1px solid #D8E5F7}
.announce-inner{display:flex;align-items:center;gap:10px;height:34px;font-size:13px;color:var(--brand-dark)}
.announce-badge{background:var(--brand);color:#fff;font-size:11px;font-weight:600;padding:1px 7px;border-radius:999px;flex-shrink:0}
.announce-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.announce-arrow{margin-left:auto;display:flex;align-items:center;color:var(--brand)}

/* ---------- hero ---------- */
.hero{position:relative;padding:64px 0 72px;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,#F6F8FC 100%)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(42,92,170,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;pointer-events:none;
  -webkit-mask-image:linear-gradient(120deg,#000 0%,transparent 62%);
  mask-image:linear-gradient(120deg,#000 0%,transparent 62%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-copy h1{font-size:44px;line-height:1.22;font-weight:700;letter-spacing:-.6px;margin-top:18px}
.hero-copy h1 .accent-line{display:block;width:64px;height:4px;border-radius:2px;background:var(--brand);margin-bottom:18px}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;gap:40px;margin-top:40px;flex-wrap:wrap}
.hero-stats strong{
  display:block;font-size:28px;line-height:1.2;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.hero-stats span{font-size:14px;color:var(--ink-3)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 24px 48px -28px rgba(22,32,46,.45)}
.hero-float{
  position:absolute;left:-18px;bottom:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-float .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}
.hero-float strong{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.hero-float span{font-size:12px;color:var(--ink-3)}

/* ---------- countdown ---------- */
.countdown-wrap{margin-top:-32px;position:relative;z-index:2}
.countdown-band{
  background:linear-gradient(135deg,#1B3E77 0%,#22497F 100%);
  border-radius:20px;padding:22px 30px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  box-shadow:0 20px 44px -30px rgba(27,62,119,.9);
}
.cd-label{font-size:13px;color:rgba(255,255,255,.72);display:block;margin-bottom:8px}
.cd-digits{display:flex;align-items:center;gap:8px}
.cd-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:52px;height:48px;padding:0 8px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:10px;
  font-size:32px;font-weight:700;line-height:1;color:#FFB08A;font-variant-numeric:tabular-nums;
}
.cd-sep{color:rgba(255,255,255,.45);font-size:26px;font-weight:700;line-height:1}
.cd-tip{flex:1;min-width:220px;font-size:14px;color:rgba(255,255,255,.82);line-height:1.7}

/* ---------- feature 7+5 ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.feature-main{padding:0;overflow:hidden;display:flex;flex-direction:column}
.feature-main .cover{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-main .body{padding:28px;display:flex;flex-direction:column;flex:1}
.feature-main h3{font-size:21px}
.feature-main p{margin-top:12px;font-size:14px;color:var(--ink-2);line-height:1.8}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:20px}
.feature-side{display:flex;flex-direction:column;gap:24px}
.feature-small{display:flex;flex-direction:column;flex:1}
.icon-box{
  width:42px;height:42px;border-radius:10px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.feature-small h3{margin-bottom:10px}
.feature-small p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:196px;gap:20px}
.gallery-item{
  position:relative;overflow:hidden;border-radius:var(--r-md);background:var(--brand-light);
  box-shadow:var(--shadow);
}
.gallery-item:first-child{grid-column:span 2;grid-row:span 2}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform 380ms ease}
.gallery-item:hover img{transform:scale(1.04)}
.gallery-cap{
  position:absolute;left:0;right:0;bottom:0;padding:32px 16px 14px;
  background:linear-gradient(180deg,rgba(16,24,38,0) 0%,rgba(16,24,38,.78) 100%);
  color:#fff;transform:translateY(12px);opacity:.92;transition:transform var(--t),opacity var(--t);
}
.gallery-item:hover .gallery-cap{transform:translateY(0);opacity:1}
.gallery-cap strong{display:block;font-size:15px;font-weight:600;line-height:1.5}
.gallery-cap span{font-size:12px;color:rgba(255,255,255,.78);font-variant-numeric:tabular-nums}

/* ---------- proof ---------- */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch}
.proof-stats{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:24px}
.proof-stats div strong{display:block;font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.proof-stats div span{font-size:13px;color:var(--ink-3)}
.proof-quotes{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.quote-card{display:flex;flex-direction:column}
.quote-card p{font-size:14px;color:var(--ink-2);line-height:1.85;flex:1}
.quote-foot{display:flex;align-items:center;gap:10px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.quote-foot strong{display:block;font-size:13px;font-weight:600}
.quote-foot span{font-size:12px;color:var(--ink-3)}

/* ---------- news (cms) ---------- */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--shadow);transition:box-shadow var(--t),transform var(--t),border-color var(--t);
  color:inherit;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#C9DBF2;color:inherit}
.news-thumb{
  width:40%;flex-shrink:0;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;
  background:var(--brand-light);display:flex;align-items:center;justify-content:center;
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-thumb-placeholder{color:var(--brand);opacity:.75}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column}
.news-body h3{
  font-size:17px;line-height:1.55;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;flex-wrap:wrap}
.news-meta time{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-arrow{margin-left:auto;color:var(--ink-3);display:flex;transition:transform var(--t),color var(--t)}
.news-card:hover .news-arrow{transform:translateX(3px);color:var(--brand)}
.news-empty{
  grid-column:1/-1;border:1.5px dashed #C9DBF2;border-radius:var(--r-lg);background:#fff;
  padding:44px 24px;text-align:center;color:var(--ink-2);
}
.news-empty .icon-box{margin:0 auto 16px}
.news-empty p{font-size:14px;margin-bottom:18px}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(135deg,#1B3E77 0%,#2A5CAA 100%);
  border-radius:20px;padding:52px;color:#fff;
}
.cta-grid{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center}
.cta-copy h2{font-size:30px;line-height:1.3;font-weight:700;color:#fff}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:520px}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.92)}
.cta-list svg{flex-shrink:0;margin-top:4px;color:#7EE0B6}
.cta-form{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:0 24px 48px -28px rgba(0,0,0,.5);color:var(--ink)}
.form-title{font-size:17px;font-weight:700;margin-bottom:4px}
.form-desc{font-size:13px;color:var(--ink-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field .req{color:var(--warm);margin-left:2px}
.field input,.field select{
  width:100%;height:44px;padding:0 12px;border:1px solid var(--line-soft);border-radius:var(--r-sm);
  font-size:14px;font-family:inherit;color:var(--ink);background:#fff;outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,170,.14)}
.field input::placeholder{color:var(--ink-3)}
.check-row{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--ink-2);line-height:1.6;margin-bottom:18px}
.check-row input{width:16px;height:16px;margin-top:2px;accent-color:var(--brand);flex-shrink:0}
.form-submit{width:100%;height:46px}
.form-note{margin-top:12px;font-size:12px;color:var(--ink-3);text-align:center}
.form-feedback{
  display:none;margin-top:14px;padding:10px 14px;border-radius:var(--r-sm);
  background:var(--accent-light);color:#0F6A4C;font-size:13px;line-height:1.7;
}
.form-feedback.show{display:block}

/* ---------- faq ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item:hover{border-color:#C9DBF2}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q .plus{flex-shrink:0;color:var(--brand);transition:transform var(--t)}
.faq-item.open .faq-q .plus{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease}
.faq-a-inner{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--ink-2)}
.faq-item.open .faq-a{max-height:340px}

/* ---------- footer ---------- */
.site-footer{background:#101826;color:#B9C6D6;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-pill{background:rgba(255,255,255,.12);color:#DCE9F9}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:#8FA1B6;max-width:300px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:#8FA1B6}
.footer-contact span strong{color:#DCE9F9;font-weight:600;margin-right:6px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:13.5px;color:#8FA1B6}
.footer-links a:hover{color:#fff}
.footer-sub p{font-size:13px;line-height:1.8;color:#8FA1B6;margin-bottom:14px}
.sub-form{display:flex;gap:8px}
.sub-form input{
  flex:1;min-width:0;height:42px;padding:0 12px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;font-size:13.5px;font-family:inherit;outline:none;transition:border-color var(--t),background var(--t);
}
.sub-form input::placeholder{color:#7D8FA6}
.sub-form input:focus{border-color:var(--brand);background:rgba(255,255,255,.1)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:#7D8FA6;
}
.footer-bottom .foot-meta{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
  .hero-copy h1{font-size:38px}
  .container{padding:0 20px}
}
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-quiet{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:64px}
  .hero{padding:48px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{font-size:34px}
  .hero-media{order:2}
  .hero-float{left:12px;bottom:12px}
  .section{padding:64px 0}
  .feature-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .gallery{grid-auto-rows:170px}
  .announce-inner{height:auto;padding:8px 0;align-items:flex-start}
  .announce-text{white-space:normal}
  .announce-arrow{display:none}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-head h2{font-size:24px}
  .hero-copy h1{font-size:28px;letter-spacing:-.3px}
  .hero-sub{font-size:15px}
  .hero-stats{gap:24px;margin-top:32px}
  .hero-stats strong{font-size:24px}
  .countdown-band{padding:20px;gap:16px;border-radius:16px}
  .cd-num{min-width:44px;height:42px;font-size:24px}
  .cd-sep{font-size:20px}
  .cd-tip{min-width:100%;font-size:13px}
  .btn-line-light{width:100%}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:150px}
  .gallery-item:first-child{grid-column:span 2;grid-row:span 1}
  .news-grid{grid-template-columns:1fr}
  .news-thumb{width:36%}
  .proof-quotes{grid-template-columns:1fr}
  .proof-stats{padding:22px;gap:18px}
  .cta-band{padding:28px 20px;border-radius:16px}
  .cta-copy h2{font-size:23px}
  .cta-form{padding:22px}
  .faq-q{font-size:15px;padding:15px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
  .footer-bottom{margin-top:36px}
  .card{padding:20px}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .logo-pill{display:none}
  .hero-actions .btn{width:100%}
  .gallery{grid-template-columns:1fr;grid-auto-rows:170px}
  .gallery-item:first-child{grid-column:span 1}
  .cd-num{min-width:38px;height:38px;font-size:20px}
  .news-card{flex-direction:column}
  .news-thumb{width:100%;aspect-ratio:16/9}
}

/* roulang page: article */
:root{
  --brand:#2A5CAA;
  --brand-deep:#1B3E77;
  --brand-soft:#E8F0FB;
  --accent:#17936B;
  --accent-soft:#E3F5EE;
  --warm:#E4622C;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E3EAF3;
  --ink:#16202E;
  --ink-2:#4A5A70;
  --ink-3:#8493A6;
  --radius-lg:16px;
  --radius:12px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(22,32,46,.05), 0 8px 24px -14px rgba(22,32,46,.12);
  --shadow-hover:0 14px 34px -14px rgba(42,92,170,.28);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 2px rgba(22,32,46,.05),0 10px 26px -18px rgba(22,32,46,.3);}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:700;display:grid;place-items:center;letter-spacing:.5px;
}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.logo-pill{
  font-size:11px;line-height:1;padding:5px 8px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:9px 12px;font-size:14px;font-weight:500;
  color:var(--ink-2);border-radius:8px;transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:220px;height:36px;padding:0 10px;background:#F1F5FA;
  border:1px solid transparent;border-radius:10px;color:var(--ink-3);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,170,.15);}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13px;color:var(--ink);}
.nav-search input::placeholder{color:var(--ink-3);}
.kbd{font-size:11px;line-height:1;border:1px solid var(--line);border-radius:4px;padding:3px 4px;color:var(--ink-3);background:#fff;}
.nav-quiet{font-size:14px;color:var(--ink-2);transition:color var(--ease);}
.nav-quiet:hover{color:var(--brand);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:38px;height:38px;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-2);
  transition:var(--ease);
}
.nav-toggle:hover{color:var(--brand);border-color:#C9DBF3;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(22,32,46,.06),0 8px 24px -14px rgba(22,32,46,.2);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:none;}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;}
.btn-link svg{transition:transform var(--ease);}
.btn-link:hover svg{transform:translateX(2px);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--line);padding:30px 0 32px;
}
.article-hero::after{
  content:"";position:absolute;right:-50px;top:-70px;width:320px;height:320px;
  border-radius:50%;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.10;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-3);margin-bottom:20px;
}
.breadcrumb a{transition:color var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C3CEDD;}
.breadcrumb .current{color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:520px;}
.article-title{
  font-size:clamp(24px,3.1vw,34px);line-height:1.35;font-weight:700;
  letter-spacing:-.2px;color:var(--ink);margin-top:14px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-3);}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;
  padding:6px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.chip-plain{background:#EFF3F9;color:var(--ink-2);font-weight:500;}
.chip-accent{background:var(--accent-soft);color:#0F7355;font-weight:600;}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C3CEDD;}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:40px;align-items:start;padding-top:40px;padding-bottom:64px;
}
.article-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-sm);
}
.article-side{
  position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;
}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;
  color:var(--ink);margin-bottom:14px;letter-spacing:.3px;
}
.side-title .bar{width:3px;height:14px;border-radius:2px;background:var(--brand);}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;font-size:14px;}
.toc-list a{
  display:block;padding:7px 10px;color:var(--ink-2);border-left:2px solid var(--line);
  border-radius:0 6px 6px 0;transition:var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a:hover{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand);}
.rank-list{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px;}
.rank-item{display:flex;gap:12px;align-items:flex-start;line-height:1.65;color:var(--ink-2);}
.rank-num{font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;flex-shrink:0;}
.rank-item a{transition:color var(--ease);}
.rank-item a:hover{color:var(--brand);}
.side-cta{
  background:linear-gradient(140deg,#E8F0FB 0%,#F7FAFE 100%);
  border:1px solid #D7E4F7;border-radius:var(--radius-lg);padding:22px;
}
.side-cta h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--brand-deep);}
.side-cta p{font-size:13px;line-height:1.8;color:var(--ink-2);margin:10px 0 16px;}

/* ---------- prose ---------- */
.prose-cn{font-size:16px;line-height:1.9;color:#22303F;overflow-wrap:break-word;}
.prose-cn > *:first-child{margin-top:0;}
.prose-cn p{margin:0 0 20px;}
.prose-cn h2{
  position:relative;font-size:22px;line-height:1.45;font-weight:700;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:2px;background:var(--brand);
}
.prose-cn h3{font-size:18px;line-height:1.55;font-weight:600;color:var(--ink);margin:28px 0 12px;}
.prose-cn h4{font-size:16px;font-weight:600;color:var(--ink-2);margin:22px 0 10px;}
.prose-cn ul{list-style:none;margin:0 0 20px;padding-left:4px;}
.prose-cn ul li{position:relative;padding-left:18px;margin:8px 0;}
.prose-cn ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--brand);
}
.prose-cn ol{margin:0 0 20px;padding-left:22px;}
.prose-cn ol li{margin:8px 0;}
.prose-cn strong{color:var(--ink);font-weight:600;}
.prose-cn a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.prose-cn a:hover{color:var(--brand-deep);}
.prose-cn blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:8px;color:var(--ink-2);font-size:15px;
}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn img{border-radius:12px;margin:24px auto;height:auto;}
.prose-cn figure{margin:24px 0;}
.prose-cn figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.prose-cn table{width:100%;border-collapse:collapse;font-size:14px;margin:24px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.prose-cn th{background:#F1F5FA;font-weight:600;color:var(--ink);text-align:left;}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:10px 12px;vertical-align:top;}
.prose-cn code{background:#F1F5FA;padding:2px 6px;border-radius:6px;font-size:14px;}
.prose-cn pre{background:#16202E;color:#E3EAF3;padding:16px;border-radius:12px;overflow:auto;font-size:14px;line-height:1.7;}
.prose-cn pre code{background:transparent;padding:0;color:inherit;}

/* ---------- article foot ---------- */
.article-foot{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;line-height:1;padding:7px 12px;border-radius:999px;
  background:#F1F5FA;color:var(--ink-2);border:1px solid var(--line);transition:var(--ease);
}
.tag:hover{color:var(--brand);border-color:#BBD2F0;background:var(--brand-soft);}
.related-block{margin-top:36px;}
.related-block h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.related-grid{display:grid;grid-template-columns:1fr;gap:12px;}
.related-item{
  display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:10px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9DBF3;}
.related-thumb{width:96px;height:72px;border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--brand-soft);}
.related-thumb img{width:100%;height:100%;object-fit:cover;}
.related-title{
  font-size:15px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-meta{font-size:12px;color:var(--ink-3);margin-top:6px;}

/* ---------- empty state ---------- */
.empty-card{
  border:1px dashed #C3D6EE;background:#FAFCFF;border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;
}
.empty-card .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:14px;
  background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;
}
.empty-card h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.empty-card p{font-size:14px;color:var(--ink-2);margin-bottom:22px;}

/* ---------- cta strip ---------- */
.cta-wrap{padding-bottom:72px;}
.cta-strip{
  position:relative;overflow:hidden;border-radius:20px;padding:40px;
  background:var(--brand-soft);display:flex;flex-wrap:wrap;gap:24px;
  align-items:center;justify-content:space-between;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) right center/cover no-repeat;
  opacity:.14;pointer-events:none;
}
.cta-strip > *{position:relative;z-index:1;}
.cta-strip h2{font-size:24px;line-height:1.4;font-weight:700;color:var(--brand-deep);}
.cta-strip p{font-size:14px;color:var(--ink-2);margin-top:10px;max-width:560px;}

/* ---------- footer ---------- */
.site-footer{background:#101826;color:#B9C6D8;padding-top:60px;}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:40px;padding-bottom:44px;}
.site-footer .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:#93A5BC;margin:16px 0 18px;max-width:330px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:#93A5BC;}
.footer-contact strong{color:#CBD8E8;font-weight:600;margin-right:8px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-links a{color:#9FB0C6;transition:color var(--ease);}
.footer-links a:hover{color:#fff;}
.footer-sub p{font-size:13px;line-height:1.8;color:#93A5BC;margin-bottom:14px;}
.sub-form{display:flex;gap:8px;}
.sub-form input{
  flex:1;min-width:0;height:40px;border-radius:10px;border:1px solid #24334A;
  background:#16202E;color:#fff;padding:0 12px;font-size:14px;outline:none;transition:var(--ease);
}
.sub-form input::placeholder{color:#6C7E96;}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,170,.35);}
.sub-hint{font-size:12px;color:#7C8DA5;margin-top:10px;min-height:16px;}
.footer-bottom{
  border-top:1px solid #1E2B3D;padding:20px 0;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;font-size:12px;color:#7C8DA5;
}
.foot-meta{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,24,38,.42);z-index:70;
  opacity:0;pointer-events:none;transition:opacity var(--ease);
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:80;
  background:#fff;transform:translateX(100%);transition:transform 240ms ease;
  display:flex;flex-direction:column;gap:6px;padding:20px;overflow-y:auto;
}
.nav-drawer.open{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{
  width:36px;height:36px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink-2);display:grid;place-items:center;
}
.drawer-close:hover{color:var(--brand);border-color:#C9DBF3;}
.drawer-group-title{font-size:12px;color:var(--ink-3);letter-spacing:.6px;margin-bottom:6px;}
.drawer-link{
  display:block;padding:12px 12px;border-radius:10px;font-size:15px;
  color:var(--ink-2);transition:var(--ease);
}
.drawer-link:hover,.drawer-link.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.drawer-bottom{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{gap:32px;}
  .article-main{padding:28px;}
  .related-thumb{width:88px;height:66px;}
}
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-quiet{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-right{gap:10px;}
  .article-layout{grid-template-columns:1fr;gap:24px;padding-top:28px;}
  .article-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .breadcrumb .current{max-width:100%;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .article-hero{padding:22px 0 24px;}
  .article-title{font-size:26px;}
  .article-main{padding:22px 18px;border-radius:14px;}
  .prose-cn{font-size:16px;line-height:1.85;}
  .prose-cn h2{font-size:20px;margin-top:32px;}
  .prose-cn h3{font-size:17px;}
  .prose-cn table{display:block;overflow-x:auto;white-space:nowrap;}
  .cta-strip{padding:26px 20px;border-radius:16px;}
  .cta-strip h2{font-size:20px;}
  .cta-strip .btn{width:100%;}
  .cta-wrap{padding-bottom:48px;}
  .article-foot{flex-direction:column;align-items:flex-start;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .logo-pill{display:none;}
  .article-title{font-size:23px;}
  .related-thumb{width:78px;height:60px;}
  .related-title{font-size:14px;}
  .breadcrumb{font-size:13px;}
  .article-meta{font-size:12px;}
  .sub-form{flex-wrap:wrap;}
  .sub-form .btn{width:100%;}
}

/* roulang page: category1 */
:root{
    --brand:#2A5CAA;
    --brand-dark:#1B3E77;
    --brand-soft:#E8F0FB;
    --brand-soft-2:#F1F5FA;
    --accent:#17936B;
    --accent-soft:#E4F5EE;
    --warm:#E4622C;
    --warm-soft:#FCEBE4;
    --bg:#F6F8FC;
    --card:#FFFFFF;
    --ink:#16202E;
    --ink-2:#4A5A70;
    --ink-3:#8493A6;
    --line:#E3EAF3;
    --field:#DCE4EE;
    --r-lg:16px;
    --r-md:12px;
    --r-sm:10px;
    --shadow:0 1px 2px rgba(22,32,46,.05), 0 8px 24px -14px rgba(22,32,46,.12);
    --shadow-hover:0 14px 34px -14px rgba(42,92,170,.28);
    --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body.page-body{
    margin:0;
    font-family:var(--font);
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,figure{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  input,select,textarea{font-family:inherit;font-size:inherit;}
  ::selection{background:var(--brand-soft);color:var(--brand-dark);}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(255,255,255,.86);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease, background .2s ease;
  }
  .site-header.is-scrolled{
    box-shadow:0 8px 24px -18px rgba(22,32,46,.35);
    background:rgba(255,255,255,.95);
  }
  .nav-inner{
    height:68px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:8px;
    flex-shrink:0;
  }
  .logo-mark{
    width:32px;
    height:32px;
    border-radius:10px;
    background:var(--brand);
    color:#fff;
    font-size:14px;
    font-weight:700;
    letter-spacing:.5px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 6px 14px -8px rgba(42,92,170,.9);
  }
  .logo-text{
    font-size:16px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:.2px;
  }
  .logo-pill{
    font-size:11px;
    font-weight:600;
    color:var(--brand);
    background:var(--brand-soft);
    border-radius:999px;
    padding:2px 8px;
    line-height:1.6;
    white-space:nowrap;
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:8px;
  }
  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 12px;
    font-size:14px;
    font-weight:500;
    color:var(--ink-2);
    border-radius:8px;
    transition:color .2s ease, background .2s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:12px;
    right:12px;
    bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .2s ease;
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--brand);font-weight:600;}
  .nav-link.active::after{transform:scaleX(1);}

  .nav-right{
    display:flex;
    align-items:center;
    gap:12px;
  }
  .nav-search{
    display:flex;
    align-items:center;
    gap:8px;
    width:220px;
    height:36px;
    padding:0 10px;
    border-radius:var(--r-sm);
    background:var(--brand-soft-2);
    border:1px solid transparent;
    color:var(--ink-3);
    transition:background .2s ease, border-color .2s ease, box-shadow .2s ease;
  }
  .nav-search:focus-within{
    background:#fff;
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(42,92,170,.14);
  }
  .nav-search input{
    flex:1;
    min-width:0;
    border:0;
    outline:none;
    background:transparent;
    font-size:13px;
    color:var(--ink);
  }
  .nav-search input::placeholder{color:var(--ink-3);}
  .kbd{
    font-size:11px;
    line-height:1.4;
    color:var(--ink-3);
    border:1px solid #D6E0EC;
    border-radius:4px;
    padding:1px 4px;
    background:#fff;
    white-space:nowrap;
  }
  .nav-quiet{
    font-size:14px;
    color:var(--ink-2);
    padding:6px 4px;
    transition:color .2s ease;
  }
  .nav-quiet:hover{color:var(--brand);}
  .nav-toggle{
    display:none;
    width:38px;
    height:38px;
    align-items:center;
    justify-content:center;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    color:var(--ink-2);
    cursor:pointer;
    transition:border-color .2s ease, color .2s ease;
  }
  .nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:44px;
    padding:0 24px;
    border-radius:var(--r-sm);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    white-space:nowrap;
    transition:background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
  }
  .btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .btn-primary{
    background:var(--brand);
    color:#fff;
    box-shadow:0 10px 22px -16px rgba(42,92,170,.95);
  }
  .btn-primary:hover{
    background:var(--brand-dark);
    box-shadow:var(--shadow-hover);
    transform:translateY(-1px);
  }
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    background:#fff;
    border-color:var(--brand);
    color:var(--brand);
  }
  .btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{height:36px;padding:0 18px;font-size:14px;}
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand);
    transition:color .2s ease;
  }
  .text-link svg{transition:transform .2s ease;}
  .text-link:hover svg{transform:translateX(2px);}
  .text-link:hover{color:var(--brand-dark);}

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-head{margin-bottom:32px;max-width:760px;}
  .section-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.4px;
    color:var(--brand);
    background:var(--brand-soft);
    border-radius:999px;
    padding:3px 10px;
    margin-bottom:14px;
  }
  .section-title{
    font-size:30px;
    line-height:1.3;
    font-weight:700;
    letter-spacing:-.2px;
  }
  .section-sub{
    margin-top:12px;
    font-size:15px;
    color:var(--ink-2);
    line-height:1.8;
  }
  .card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow);
    transition:box-shadow .2s ease, transform .2s ease, border-color .2s ease;
  }
  .card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-2px);
    border-color:#CBDCF2;
  }
  .chip{
    display:inline-flex;
    align-items:center;
    gap:4px;
    font-size:12px;
    font-weight:600;
    line-height:1.6;
    padding:3px 9px;
    border-radius:999px;
    background:var(--brand-soft);
    color:var(--brand);
    white-space:nowrap;
  }
  .chip-accent{background:var(--accent-soft);color:var(--accent);}
  .chip-warm{background:var(--warm-soft);color:var(--warm);}

  /* ---------- 面包屑 + 分类头部 ---------- */
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--ink-3);
    padding:20px 0 0;
  }
  .breadcrumb a{color:var(--ink-3);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#C3D0E0;}
  .breadcrumb .current{color:var(--ink-2);font-weight:500;}

  .cat-hero{
    position:relative;
    padding:26px 0 72px;
    overflow:hidden;
    background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
    border-bottom:1px solid var(--line);
  }
  .cat-hero::before{
    content:"";
    position:absolute;
    top:-40px;
    right:-60px;
    width:520px;
    height:520px;
    background-image:radial-gradient(rgba(42,92,170,.16) 1px,transparent 1px);
    background-size:22px 22px;
    opacity:.5;
    -webkit-mask-image:radial-gradient(circle at 70% 30%,#000 0%,transparent 68%);
    mask-image:radial-gradient(circle at 70% 30%,#000 0%,transparent 68%);
    pointer-events:none;
  }
  .cat-hero-grid{
    position:relative;
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:48px;
    align-items:center;
    margin-top:32px;
  }
  .cat-h1{
    font-size:42px;
    line-height:1.22;
    font-weight:700;
    letter-spacing:-.5px;
    color:var(--ink);
  }
  .cat-h1 .h1-accent{
    display:block;
    font-size:20px;
    font-weight:600;
    color:var(--brand);
    letter-spacing:0;
    margin-top:14px;
  }
  .cat-lead{
    margin-top:18px;
    font-size:16px;
    line-height:1.9;
    color:var(--ink-2);
    max-width:560px;
  }
  .cat-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:28px;
  }
  .stat-row{
    display:flex;
    flex-wrap:wrap;
    gap:36px;
    margin-top:36px;
    padding-top:26px;
    border-top:1px dashed #D6E0EC;
  }
  .stat-item .stat-num{
    display:block;
    font-size:26px;
    font-weight:700;
    line-height:1.2;
    color:var(--accent);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.5px;
  }
  .stat-item .stat-label{
    display:block;
    margin-top:4px;
    font-size:13px;
    color:var(--ink-3);
  }
  .hero-figure{
    position:relative;
    border-radius:var(--r-lg);
    overflow:hidden;
    box-shadow:0 24px 48px -30px rgba(27,62,119,.55);
    border:1px solid #fff;
    background:#fff;
  }
  .hero-figure img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
  }
  .hero-float{
    position:absolute;
    left:16px;
    bottom:16px;
    display:flex;
    align-items:center;
    gap:10px;
    background:rgba(255,255,255,.95);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:10px 14px;
    box-shadow:var(--shadow);
  }
  .hero-float .dot{
    width:8px;
    height:8px;
    border-radius:999px;
    background:var(--accent);
    box-shadow:0 0 0 4px rgba(23,147,107,.14);
  }
  .hero-float strong{font-size:14px;font-weight:600;}
  .hero-float span{font-size:12px;color:var(--ink-3);}

  /* ---------- 阶段流程 ---------- */
  .stage-list{
    position:relative;
    padding-left:32px;
    max-width:880px;
  }
  .stage-list::before{
    content:"";
    position:absolute;
    left:9px;
    top:14px;
    bottom:14px;
    width:2px;
    border-radius:2px;
    background:linear-gradient(180deg,var(--brand) 0%,#B9CFEC 100%);
    opacity:.6;
  }
  .stage-item{position:relative;margin-bottom:18px;}
  .stage-item:last-child{margin-bottom:0;}
  .stage-item::before{
    content:"";
    position:absolute;
    left:-29px;
    top:22px;
    width:14px;
    height:14px;
    border-radius:999px;
    background:#fff;
    border:2px solid var(--brand);
  }
  .stage-card{
    padding:22px 24px;
  }
  .stage-no{
    font-size:12px;
    font-weight:700;
    letter-spacing:1px;
    color:var(--brand);
    background:var(--brand-soft);
    border-radius:999px;
    padding:2px 9px;
    display:inline-block;
  }
  .stage-title{
    margin-top:10px;
    font-size:18px;
    font-weight:600;
    line-height:1.5;
  }
  .stage-desc{
    margin-top:8px;
    font-size:14px;
    color:var(--ink-2);
    line-height:1.8;
  }

  /* ---------- 场次卡片网格 ---------- */
  .event-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
  }
  .event-card{
    overflow:hidden;
    display:flex;
    flex-direction:column;
  }
  .event-media{
    position:relative;
    overflow:hidden;
    background:var(--brand-soft);
  }
  .event-media img{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
    transition:transform .35s ease;
  }
  .event-card:hover .event-media img{transform:scale(1.04);}
  .event-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .event-tags{display:flex;flex-wrap:wrap;gap:8px;}
  .event-title{
    font-size:18px;
    font-weight:600;
    line-height:1.5;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .event-desc{
    font-size:14px;
    color:var(--ink-2);
    line-height:1.8;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .event-foot{
    margin-top:auto;
    padding-top:14px;
    border-top:1px solid var(--line);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:13px;
    color:var(--ink-3);
  }

  /* ---------- 近期开放场次 ---------- */
  .slot-list{display:flex;flex-direction:column;gap:12px;}
  .slot-row{
    display:grid;
    grid-template-columns:76px minmax(0,1fr) auto 120px;
    gap:20px;
    align-items:center;
    padding:18px 22px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow);
    transition:box-shadow .2s ease, transform .2s ease, border-color .2s ease;
  }
  .slot-row:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-2px);
    border-color:#CBDCF2;
  }
  .slot-date{
    text-align:center;
    border-right:1px solid var(--line);
    padding-right:14px;
  }
  .slot-day{
    display:block;
    font-size:24px;
    font-weight:700;
    line-height:1.1;
    color:var(--brand);
    font-variant-numeric:tabular-nums;
  }
  .slot-mon{display:block;font-size:12px;color:var(--ink-3);margin-top:2px;}
  .slot-main h3{
    font-size:16px;
    font-weight:600;
    line-height:1.5;
  }
  .slot-main p{
    margin-top:4px;
    font-size:13px;
    color:var(--ink-3);
  }

  /* ---------- CTA 横条 ---------- */
  .cta-band{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    padding:40px 44px;
    border-radius:20px;
    background:var(--brand-soft);
    border:1px solid #D3E2F6;
  }
  .cta-band h2{
    font-size:24px;
    font-weight:700;
    line-height:1.35;
    letter-spacing:-.2px;
  }
  .cta-band p{
    margin-top:8px;
    font-size:14px;
    color:var(--ink-2);
    line-height:1.8;
    max-width:560px;
  }

  /* ---------- FAQ ---------- */
  .faq-list{
    display:flex;
    flex-direction:column;
    gap:12px;
    max-width:880px;
  }
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow);
    overflow:hidden;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item[open]{
    border-color:#CBDCF2;
    box-shadow:var(--shadow-hover);
  }
  .faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:56px;
    padding:16px 22px;
    cursor:pointer;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary h3{
    font-size:16px;
    font-weight:600;
    line-height:1.6;
    color:var(--ink);
  }
  .faq-plus{
    flex-shrink:0;
    width:24px;
    height:24px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--brand);
    transition:transform .2s ease;
  }
  .faq-item[open] .faq-plus{transform:rotate(180deg);}
  .faq-answer{
    padding:0 22px 20px;
    font-size:14px;
    line-height:1.85;
    color:var(--ink-2);
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#101826;
    color:#C7D2E0;
    padding:64px 0 0;
    margin-top:8px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.3fr;
    gap:40px;
    padding-bottom:44px;
  }
  .site-footer .logo-mark{background:var(--brand);}
  .site-footer .logo-text{color:#fff;}
  .site-footer .logo-pill{background:rgba(255,255,255,.12);color:#DDE8F7;}
  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    line-height:1.85;
    color:#94A4BA;
    max-width:340px;
  }
  .footer-contact{
    margin-top:18px;
    display:flex;
    flex-direction:column;
    gap:6px;
    font-size:13px;
    color:#94A4BA;
  }
  .footer-contact strong{
    color:#DDE8F7;
    font-weight:600;
    margin-right:10px;
  }
  .footer-col h4{
    font-size:15px;
    font-weight:600;
    color:#fff;
    margin-bottom:16px;
  }
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{
    font-size:14px;
    color:#94A4BA;
    transition:color .2s ease;
  }
  .footer-links a:hover{color:#fff;}
  .footer-sub p{
    font-size:14px;
    line-height:1.8;
    color:#94A4BA;
    margin-bottom:14px;
  }
  .sub-form{display:flex;gap:8px;}
  .sub-form input{
    flex:1;
    min-width:0;
    height:36px;
    padding:0 12px;
    border-radius:var(--r-sm);
    border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.06);
    color:#fff;
    font-size:14px;
    outline:none;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .sub-form input::placeholder{color:#7E8FA6;}
  .sub-form input:focus{
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(42,92,170,.35);
  }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding:20px 0;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    font-size:12px;
    color:#7E8FA6;
  }
  .foot-meta{display:flex;flex-wrap:wrap;gap:18px;}

  /* ---------- 移动抽屉 ---------- */
  .drawer{
    position:fixed;
    inset:0;
    z-index:90;
    display:none;
  }
  .drawer.open{display:block;}
  .drawer-mask{
    position:absolute;
    inset:0;
    background:rgba(16,24,38,.45);
    opacity:0;
    transition:opacity .2s ease;
  }
  .drawer.open .drawer-mask{opacity:1;}
  .drawer-panel{
    position:absolute;
    top:0;
    right:0;
    width:82vw;
    max-width:360px;
    height:100%;
    background:#fff;
    padding:18px 20px 24px;
    display:flex;
    flex-direction:column;
    gap:4px;
    transform:translateX(100%);
    transition:transform .24s ease;
    overflow-y:auto;
  }
  .drawer.open .drawer-panel{transform:translateX(0);}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
    margin-bottom:16px;
  }
  .drawer-close{
    width:34px;
    height:34px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    background:#fff;
    color:var(--ink-2);
    cursor:pointer;
  }
  .drawer-group{
    font-size:12px;
    color:var(--ink-3);
    letter-spacing:.4px;
    margin-bottom:6px;
  }
  .drawer-link{
    display:block;
    padding:12px 12px;
    border-radius:var(--r-sm);
    font-size:15px;
    font-weight:500;
    color:var(--ink-2);
    transition:background .2s ease, color .2s ease;
  }
  .drawer-link:hover{background:var(--brand-soft-2);color:var(--brand);}
  .drawer-link.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
  .drawer-foot{
    margin-top:auto;
    padding-top:20px;
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .drawer-search{
    display:flex;
    align-items:center;
    gap:8px;
    height:40px;
    padding:0 12px;
    border-radius:var(--r-sm);
    background:var(--brand-soft-2);
    color:var(--ink-3);
  }
  .drawer-search input{
    flex:1;
    min-width:0;
    border:0;
    outline:none;
    background:transparent;
    font-size:14px;
    color:var(--ink);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .container{max-width:960px;}
    .cat-h1{font-size:38px;}
    .nav-search{width:180px;}
  }
  @media (max-width:1023px){
    .nav-links{display:none;}
    .nav-search,.nav-quiet{display:none;}
    .nav-toggle{display:inline-flex;}
    .section{padding:64px 0;}
    .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-figure{order:-1;}
    .hero-figure img{aspect-ratio:16/9;}
    .cat-h1{font-size:34px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
    .slot-row{grid-template-columns:64px minmax(0,1fr) auto;row-gap:12px;}
    .slot-row .text-link{grid-column:2 / -1;justify-self:start;}
  }
  @media (max-width:767px){
    .container{padding:0 16px;}
    .section{padding:48px 0;}
    .cat-h1{font-size:28px;}
    .cat-h1 .h1-accent{font-size:16px;}
    .cat-lead{font-size:15px;}
    .section-title{font-size:23px;}
    .event-grid{grid-template-columns:1fr;}
    .stage-list{padding-left:26px;}
    .stage-list::before{left:7px;}
    .stage-item::before{left:-24px;top:20px;width:12px;height:12px;}
    .stat-row{gap:24px;margin-top:26px;}
    .stat-item .stat-num{font-size:22px;}
    .cta-band{padding:26px 22px;border-radius:16px;}
    .cta-band h2{font-size:20px;}
    .slot-row{grid-template-columns:60px minmax(0,1fr);padding:16px;}
    .slot-row .chip{grid-column:2;justify-self:start;}
    .slot-row .text-link{grid-column:2;}
    .slot-date{border-right:0;padding-right:0;text-align:left;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:479px){
    .cat-h1{font-size:25px;}
    .btn{height:42px;padding:0 18px;font-size:14px;}
    .cat-actions{flex-direction:column;align-items:stretch;}
    .cat-actions .btn{width:100%;}
    .faq-item summary{padding:14px 16px;}
    .faq-answer{padding:0 16px 16px;}
  }

/* roulang page: category2 */
:root{
  --brand:#2A5CAA;
  --brand-dark:#1B3E77;
  --brand-light:#E8F0FB;
  --accent:#17936B;
  --accent-light:#E4F5EE;
  --warm:#E4622C;
  --warm-light:#FCEDE6;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E3EAF3;
  --line-soft:#EEF3FA;
  --text:#16202E;
  --text-2:#4A5A70;
  --text-3:#8493A6;
  --radius-lg:16px;
  --radius:12px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(22,32,46,.05),0 8px 24px -14px rgba(22,32,46,.12);
  --shadow-hover:0 14px 34px -14px rgba(42,92,170,.28);
  --ease:200ms ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
input,button,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px -12px rgba(42,92,170,.7);
}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:var(--radius-btn);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  transition:color var(--ease);
}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  background:var(--brand-light);
  color:var(--brand-dark);
}
.chip-accent{background:var(--accent-light);color:#0F6E4F;}
.chip-warm{background:var(--warm-light);color:#B7470F;}
.chip-plain{background:#F1F5FA;color:var(--text-2);font-weight:500;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 8px 24px -18px rgba(22,32,46,.45);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.5px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.logo-text{
  font-size:16px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.2px;
}
.logo-pill{
  padding:1px 8px;
  border-radius:999px;
  font-size:10px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-light);
  line-height:1.8;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-right:auto;
}
.nav-link{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:220px;
  height:36px;
  padding:0 10px;
  border-radius:var(--radius-btn);
  background:#F1F5FA;
  border:1px solid transparent;
  color:var(--text-3);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(42,92,170,.14);
  color:var(--brand);
}
.nav-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  font-size:13px;
  color:var(--text);
  outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.kbd{
  font-size:11px;
  line-height:1;
  padding:3px 5px;
  border:1px solid var(--line);
  border-radius:4px;
  color:var(--text-3);
  background:#fff;
}
.nav-quiet{
  font-size:14px;
  color:var(--text-2);
  transition:color var(--ease);
}
.nav-quiet:hover{color:var(--brand);}
.nav-toggle{
  display:none;
  width:38px;
  height:38px;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  cursor:pointer;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-light);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(16,24,38,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  width:82vw;
  max-width:340px;
  height:100%;
  background:#fff;
  z-index:80;
  transform:translateX(100%);
  transition:transform 260ms ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand);}
.drawer-group-title{
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.08em;
  margin:18px 0 8px;
}
.drawer-link{
  display:block;
  padding:11px 12px;
  border-radius:var(--radius-btn);
  font-size:15px;
  color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.drawer-link:hover,.drawer-link.active{background:var(--brand-light);color:var(--brand-dark);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:10px;}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 12px;border-radius:var(--radius-btn);
  background:#F1F5FA;color:var(--text-3);
}
.drawer-search input{border:0;background:transparent;outline:none;font-size:14px;width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
}
.crumb a{color:var(--text-3);transition:color var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3CFDE;}
.crumb .current{color:var(--text-2);}

/* ---------- Hero ---------- */
.cat-hero{padding:36px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.hero-title{
  font-size:clamp(28px,4vw,44px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  margin:18px 0 0;
}
.hero-title em{
  font-style:normal;
  color:var(--brand);
  border-bottom:4px solid var(--brand-light);
  padding-bottom:2px;
}
.hero-lead{
  margin-top:18px;
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  max-width:38em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat-row{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.stat-num{
  font-size:28px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--accent);margin-left:2px;}
.stat-label{font-size:13px;color:var(--text-3);margin-top:2px;}
.hero-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 24px 48px -32px rgba(22,32,46,.5);
  background:#DCE7F5;
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-float{
  position:absolute;
  left:20px;
  bottom:20px;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-radius:var(--radius);
  padding:12px 16px;
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  gap:10px;
}
.hero-float strong{
  font-size:16px;
  font-variant-numeric:tabular-nums;
  color:var(--text);
}
.hero-float span{font-size:12px;color:var(--text-3);}
.dot-live{
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(23,147,107,.16);
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0;}
.section-head{max-width:640px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(24px,3vw,31px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}
.section-head .rule{
  width:48px;height:3px;border-radius:2px;background:var(--brand);
  margin-bottom:18px;
}

/* ---------- 交替图文行 ---------- */
.alt-list{display:flex;flex-direction:column;gap:64px;}
.alt-row{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:56px;
  align-items:center;
}
.alt-row.reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}
.alt-row.reverse .alt-media{order:2;}
.alt-row.reverse .alt-body{order:1;}
.alt-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:box-shadow var(--ease),transform var(--ease);
}
.alt-media:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.alt-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.alt-icon{
  width:40px;height:40px;border-radius:10px;
  background:var(--brand-light);
  color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.alt-body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:10px;
}
.alt-body p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
  margin-bottom:14px;
}
.tick-list{
  display:grid;
  gap:8px;
  margin-bottom:16px;
}
.tick-list li{
  position:relative;
  padding-left:24px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:14px;
  height:8px;
  border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
  border-radius:1px;
}

/* ---------- 权益对照矩阵 ---------- */
.matrix-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.matrix-scroll{overflow-x:auto;}
table.matrix{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:14px;
}
table.matrix thead th{
  background:#F1F5FA;
  color:var(--text-2);
  font-size:13px;
  font-weight:600;
  text-align:left;
  padding:14px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.matrix thead th:first-child{color:var(--text);}
table.matrix tbody td{
  padding:14px 20px;
  border-bottom:1px solid var(--line-soft);
  color:var(--text-2);
  vertical-align:middle;
}
table.matrix tbody tr:nth-child(even){background:#FAFCFF;}
table.matrix tbody tr:last-child td{border-bottom:0;}
table.matrix tbody td:first-child{
  color:var(--text);
  font-weight:600;
}
table.matrix .col-hi{
  color:var(--brand-dark);
  font-weight:600;
  background:rgba(232,240,251,.5);
}
.matrix-note{
  display:flex;
  align-items:center;
  gap:8px;
  padding:14px 20px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line-soft);
  background:#fff;
}

/* ---------- 开通流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.step-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  border-color:#C3D8F2;
}
.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border-radius:9px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- CTA 横条 ---------- */
.cta-band{
  background:var(--brand-light);
  border:1px solid #D3E3F8;
  border-radius:20px;
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4;}
.cta-band p{margin-top:8px;font-size:15px;color:var(--text-2);}
.cta-band .btn{flex-shrink:0;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#C3D8F2;}
.faq-item.open{border-color:#BBD3F0;box-shadow:var(--shadow-hover);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:17px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  line-height:1.6;
}
.faq-q .plus{
  flex-shrink:0;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand-light);
  color:var(--brand);
  transition:transform var(--ease),background var(--ease);
}
.faq-item.open .faq-q .plus{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 280ms ease;
}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:14px;
  line-height:1.9;
  color:var(--text-2);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:#101826;
  color:#C8D3E2;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-mark{background:var(--brand);}
.site-footer .logo-pill{background:rgba(42,92,170,.32);color:#BFD5F4;}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:#93A3B8;
  max-width:30em;
}
.footer-contact{
  margin-top:20px;
  display:grid;
  gap:8px;
  font-size:13px;
  color:#93A3B8;
}
.footer-contact strong{color:#C8D3E2;font-weight:600;margin-right:8px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{display:grid;gap:10px;}
.footer-links a{
  font-size:13px;
  color:#93A3B8;
  transition:color var(--ease);
}
.footer-links a:hover{color:#7FB0F0;}
.footer-sub p{font-size:13px;color:#93A3B8;line-height:1.8;margin-bottom:14px;}
.sub-form{display:flex;gap:8px;}
.sub-form input{
  flex:1;
  min-width:0;
  height:38px;
  border-radius:var(--radius-btn);
  border:1px solid #2A3648;
  background:#182233;
  color:#E6EEF9;
  padding:0 12px;
  font-size:13px;
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input::placeholder{color:#6C7C92;}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,92,170,.28);}
.sub-form .btn{height:38px;padding:0 16px;font-size:13px;}
.footer-bottom{
  border-top:1px solid #1E2A3D;
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:12px;
  color:#6C7C92;
}
.foot-meta{display:flex;flex-wrap:wrap;gap:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px;}
  .alt-row,.alt-row.reverse{gap:40px;}
}
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-quiet{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media img{aspect-ratio:16/10;}
  .alt-row,.alt-row.reverse{grid-template-columns:1fr;gap:28px;}
  .alt-row.reverse .alt-media{order:0;}
  .alt-row.reverse .alt-body{order:1;}
  .steps{grid-template-columns:1fr;}
  .section{padding:64px 0 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-inner{gap:12px;}
  .logo-text{font-size:15px;}
  .hero-title{font-size:28px;}
  .stat-row{gap:24px;}
  .stat-num{font-size:24px;}
  .alt-list{gap:44px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;border-radius:16px;}
  .cta-band .btn{width:100%;}
  .faq-q{font-size:15px;padding:15px 16px;}
  .faq-a-inner{padding:0 16px 18px;}
  .site-footer{margin-top:64px;padding-top:44px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%;}
  .hero-float{left:12px;bottom:12px;padding:10px 12px;}
  .sub-form{flex-direction:column;}
  .sub-form input,.sub-form .btn{width:100%;}
}