/* roulang page: index */
:root{
  --bg-0:#070d18;
  --bg-1:#0c1526;
  --bg-2:#111c30;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.14);
  --line-soft:rgba(255,255,255,.08);
  --primary:#12b8c9;
  --primary-700:#0b7f8c;
  --primary-soft:rgba(18,184,201,.14);
  --amber:#f0a93b;
  --amber-soft:rgba(240,169,59,.14);
  --glow:#45e6d6;
  --text-1:#eef4fb;
  --text-2:#a9bccf;
  --text-3:#6f8399;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:14px;
  --sh-card:0 8px 24px rgba(0,0,0,.35);
  --sh-glow:0 12px 36px rgba(18,184,201,.22);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body.page{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
body.page::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 82% 6%, rgba(18,184,201,.10), transparent 62%),
    radial-gradient(700px 420px at 6% 68%, rgba(240,169,59,.05), transparent 60%);
  pointer-events:none;
  z-index:0;
}
.page img{max-width:100%;display:block;border-radius:var(--r-img)}
.page a{color:inherit;text-decoration:none}
.page button{font:inherit;color:inherit}
.page ul,.page ol{margin:0;padding:0;list-style:none}
.page h1,.page h2,.page h3,.page h4,.page p{margin:0}
.page h1,.page h2,.page h3,.page h4{color:var(--text-1);letter-spacing:-.01em;line-height:1.28}
.page ::selection{background:rgba(69,230,214,.28);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;position:relative;z-index:2}
.section{padding:clamp(64px,7vw,112px) 0;position:relative;z-index:2}
.section-tight{padding:clamp(48px,5vw,84px) 0}
.sec-head{max-width:720px;margin-bottom:clamp(28px,3vw,44px)}
.sec-head h2{font-size:clamp(24px,2.6vw,33px);font-weight:600;margin-bottom:12px}
.sec-head p{color:var(--text-3);font-size:15px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);letter-spacing:.06em;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--primary-soft);border:1px solid rgba(18,184,201,.28);
  margin-bottom:20px;
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--glow);box-shadow:0 0 0 4px rgba(69,230,214,.16)}

/* ============ 按钮 / 链接 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .16s ease, box-shadow .16s ease, transform .16s ease, border-color .16s ease, color .16s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-700));
  color:#03181c;box-shadow:0 10px 26px rgba(18,184,201,.28);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 40px rgba(18,184,201,.38)}
.btn-outline{
  background:transparent;border-color:var(--line);color:var(--text-1);
}
.btn-outline:hover{background:var(--glass);border-color:rgba(69,230,214,.5);transform:translateY(-1px)}
.btn-ghost{
  background:var(--glass);border-color:var(--line);color:var(--text-1);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:rgba(69,230,214,.45);background:var(--glass-strong)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
  border-bottom:1px solid rgba(18,184,201,.35);padding-bottom:3px;
  transition:border-color .16s ease,color .16s ease;
}
.link-arrow:hover{border-color:var(--glow);color:var(--glow)}
.page a:focus-visible,.page button:focus-visible,summary:focus-visible{
  outline:2px solid var(--glow);outline-offset:3px;border-radius:6px;
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:72px;
  display:flex;align-items:center;
  background:linear-gradient(to bottom, rgba(7,13,24,.92), rgba(7,13,24,.35) 70%, rgba(7,13,24,0));
  border-bottom:1px solid transparent;
  transition:height .22s ease, background .22s ease, border-color .22s ease;
}
.site-header.is-scrolled{
  height:60px;background:rgba(9,16,29,.86);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--line-soft);
}
.header-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(18,184,201,.9),rgba(11,127,140,.75));
  color:#04191d;font-weight:800;font-size:17px;
  box-shadow:0 6px 18px rgba(18,184,201,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-text strong{color:var(--text-1);font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--text-3);font-size:12px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;transition:color .16s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-1);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1);background:var(--glow)}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:17px;height:1.6px;background:var(--text-1);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  min-height:84vh;display:flex;align-items:center;
  padding:132px 0 96px;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(to bottom, rgba(7,13,24,.72) 0%, rgba(7,13,24,.9) 45%, var(--bg-0) 96%),
    linear-gradient(to right, rgba(7,13,24,.92) 0%, rgba(7,13,24,.55) 60%, rgba(7,13,24,.35) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(circle at 68% 30%, #000 0%, transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 68% 30%, #000 0%, transparent 72%);
}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;align-items:center;
}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);font-weight:700;line-height:1.18;
  margin-bottom:20px;letter-spacing:-.02em;
}
.hero-title .hl{
  background:linear-gradient(100deg,var(--glow),var(--primary) 60%,var(--amber));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:clamp(16px,1.5vw,18px);color:var(--text-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;font-size:14px;color:var(--text-3)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--amber);flex:0 0 5px;
}
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-glass);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-card);
}
.hero-card{padding:26px 26px 22px;position:relative;overflow:hidden}
.hero-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(69,230,214,.75),transparent);
}
.hero-card h2{font-size:16px;font-weight:600;margin-bottom:18px;display:flex;align-items:center;gap:9px}
.hero-card h2 .live{
  font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--glow);
  border:1px solid rgba(69,230,214,.4);border-radius:var(--r-pill);
  padding:2px 9px;background:rgba(69,230,214,.1);
}
.kv-list{display:flex;flex-direction:column;gap:0}
.kv-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:12px 0;border-bottom:1px dashed var(--line-soft);font-size:14px;
}
.kv-row:last-child{border-bottom:0}
.kv-row dt{color:var(--text-3)}
.kv-row dd{margin:0;color:var(--text-1);font-weight:600;font-variant-numeric:tabular-nums}
.kv-row dd.em{color:var(--amber)}
.kv-row dd.ok{color:var(--glow)}
.hero-card .card-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ============ 时间线 ============ */
.timeline{position:relative}
.tl-item{
  display:grid;grid-template-columns:96px 30px minmax(0,1fr);
  gap:0 14px;padding-bottom:22px;
}
.tl-item:last-child{padding-bottom:0}
.tl-time{
  padding-top:20px;text-align:right;font-size:14px;font-weight:600;
  color:var(--amber);font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-mark{position:relative;display:block}
.tl-mark::before{
  content:"";position:absolute;left:50%;top:25px;width:9px;height:9px;border-radius:50%;
  background:var(--primary);transform:translateX(-50%);
  box-shadow:0 0 0 5px rgba(18,184,201,.14);
}
.tl-mark::after{
  content:"";position:absolute;left:50%;top:40px;bottom:-22px;width:1px;
  background:rgba(255,255,255,.12);transform:translateX(-50%);
}
.tl-item:last-child .tl-mark::after{display:none}
.tl-card{
  background:var(--glass);border:1px solid var(--line-soft);
  border-radius:var(--r-card);padding:18px 22px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.tl-card:hover{border-color:rgba(18,184,201,.42);transform:translateY(-2px);box-shadow:var(--sh-glow)}
.tl-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.tl-card p{font-size:14.5px;color:var(--text-2)}
.tag{
  display:inline-block;margin-top:12px;font-size:12px;line-height:1;
  padding:5px 11px;border-radius:var(--r-pill);
  background:var(--amber-soft);color:var(--amber);border:1px solid rgba(240,169,59,.28);
}
.tag.is-cyan{background:var(--primary-soft);color:var(--glow);border-color:rgba(18,184,201,.3)}

/* ============ 亮点网格 ============ */
.hl-grid{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
  gap:var(--gap);
}
.hl-card{
  border-radius:var(--r-card);overflow:hidden;position:relative;
  background:var(--bg-1);border:1px solid var(--line-soft);
  display:flex;flex-direction:column;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.hl-card:hover{border-color:rgba(18,184,201,.4);transform:translateY(-3px);box-shadow:var(--sh-glow)}
.hl-a{grid-column:span 4}
.hl-b{grid-column:span 2}
.hl-wide{grid-column:span 6;flex-direction:row;align-items:stretch}
.hl-media{position:relative;overflow:hidden}
.hl-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.hl-card:hover .hl-media img{transform:scale(1.04)}
.hl-a .hl-media{aspect-ratio:16/10}
.hl-b .hl-media{aspect-ratio:16/12}
.hl-wide .hl-media{width:42%;flex:0 0 42%;min-height:220px}
.hl-wide .hl-media img{height:100%;min-height:220px}
.hl-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.hl-wide .hl-body{justify-content:center;padding:30px 34px}
.hl-body h3{font-size:20px;font-weight:600}
.hl-body p{font-size:14.5px;color:var(--text-2)}
.hl-badge{
  align-self:flex-start;font-size:12px;line-height:1;padding:5px 11px;
  border-radius:var(--r-pill);background:var(--primary-soft);color:var(--glow);
  border:1px solid rgba(18,184,201,.3);
}
.hl-wide .hl-badge{background:var(--amber-soft);color:var(--amber);border-color:rgba(240,169,59,.3)}

/* ============ 进入方式对比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-card);border:1px solid var(--line-soft);
  background:var(--bg-1);overflow:hidden;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.plan-card:hover{transform:translateY(-3px);border-color:rgba(18,184,201,.38);box-shadow:var(--sh-card)}
.plan-card.is-featured{
  border-color:rgba(69,230,214,.5);
  background:linear-gradient(180deg,rgba(18,184,201,.1),rgba(12,21,38,.9) 42%);
  box-shadow:var(--sh-glow);
}
.plan-card.is-featured::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--glow),transparent);
}
.ribbon{
  position:absolute;top:16px;right:16px;font-size:12px;line-height:1;
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(69,230,214,.16);color:var(--glow);border:1px solid rgba(69,230,214,.4);
}
.plan-head{padding:26px 26px 20px;border-bottom:1px solid var(--line-soft)}
.plan-head h3{font-size:20px;font-weight:600;margin-bottom:8px}
.plan-head p{font-size:14px;color:var(--text-3)}
.plan-list{padding:20px 26px 24px;display:flex;flex-direction:column;gap:0;flex:1}
.plan-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;font-size:14.5px;color:var(--text-2);
  border-bottom:1px dashed var(--line-soft);
}
.plan-list li:last-child{border-bottom:0}
.plan-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;margin-top:8px;
  background:var(--primary);flex:0 0 6px;
}
.plan-card.is-featured .plan-list li::before{background:var(--glow)}
.plan-foot{padding:0 26px 26px}

/* ============ 报名 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  background:
    radial-gradient(600px 240px at 12% 50%, rgba(18,184,201,.16), transparent 70%),
    linear-gradient(120deg, rgba(18,184,201,.08), rgba(7,13,24,0) 60%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.4;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:52px 0;position:relative;z-index:2;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(23px,2.6vw,32px);font-weight:600;margin-bottom:8px}
.cta-inner p{font-size:14.5px;color:var(--text-3)}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 最新信息 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.post-card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-card);border:1px solid var(--line-soft);
  background:var(--glass);padding:22px 24px 20px;
  backdrop-filter:blur(12px);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.post-card:hover{border-color:rgba(18,184,201,.42);transform:translateY(-2px);box-shadow:var(--sh-glow)}
.post-card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card h3 a{color:var(--text-1);transition:color .16s ease}
.post-card h3 a:hover{color:var(--glow)}
.post-excerpt{
  font-size:14.5px;color:var(--text-2);flex:1;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px dashed var(--line-soft)}
.pill{
  font-size:12px;line-height:1;padding:5px 11px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--glow);border:1px solid rgba(18,184,201,.28);
}
.post-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--glass);
}
.empty-state .es-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--glow);font-size:22px;font-weight:700;
}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:16px}

/* ============ 反馈 / 数据 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);margin-bottom:32px}
.stat-card{
  border-radius:var(--r-card);border:1px solid var(--line-soft);background:var(--bg-1);
  padding:24px 26px;
}
.stat-card .num{font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--text-1);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-card .num em{font-style:normal;font-size:16px;color:var(--primary);margin-left:4px}
.stat-card .lbl{font-size:14px;color:var(--text-3);margin-top:8px}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.quote-card{
  border-radius:var(--r-card);border:1px solid var(--line-soft);background:var(--glass);
  padding:24px 26px;display:flex;flex-direction:column;gap:16px;
}
.quote-card blockquote{font-size:15px;color:var(--text-1);line-height:1.8;position:relative;padding-left:16px}
.quote-card blockquote::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--glow),rgba(18,184,201,.15));
}
.quote-foot{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.avatar{
  width:32px;height:32px;border-radius:50%;flex:0 0 32px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(18,184,201,.85),rgba(11,127,140,.7));
  color:#04191d;font-weight:700;font-size:13px;
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  background:var(--glass);overflow:hidden;
  transition:border-color .18s ease;
}
.faq-item[open]{border-color:rgba(18,184,201,.38)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  color:var(--text-1);font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;color:var(--primary);font-size:20px;font-weight:400;
  transition:transform .18s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 24px 20px;font-size:14.8px;color:var(--text-2);line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:2;margin-top:0;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(12,21,38,.6),rgba(7,13,24,.98));
  padding:clamp(56px,6vw,88px) 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid var(--line-soft);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-text strong{font-size:15px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:18px;letter-spacing:.02em}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:320px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .16s ease,padding-left .16s ease}
.footer-links a:hover{color:var(--glow);padding-left:3px}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--text-3)}
.footer-info span strong{color:var(--text-2);font-weight:600}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0 28px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);transition:color .16s ease}
.footer-bottom a:hover{color:var(--text-2)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-inner{padding:0 24px}
  .main-nav{gap:22px}
  .hero{min-height:auto;padding:118px 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-card{max-width:560px}
  .hl-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .hl-a{grid-column:span 4}
  .hl-b{grid-column:span 2}
  .hl-wide{grid-column:span 4;flex-direction:column}
  .hl-wide .hl-media{width:100%;flex:0 0 auto;min-height:0;aspect-ratio:16/9}
  .hl-wide .hl-media img{min-height:0}
  .hl-wide .hl-body{padding:24px}
  .plan-grid{grid-template-columns:1fr;max-width:620px}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid,.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(9,16,29,.98);
    backdrop-filter:blur(16px);
    border-top:1px solid var(--line-soft);
    border-bottom:1px solid var(--line-soft);
    padding:8px 24px 18px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
  }
  .site-header.is-scrolled .main-nav{top:60px}
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{
    padding:15px 0 15px 14px;border-bottom:1px solid var(--line-soft);
    font-size:15.5px;
  }
  .nav-link::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
    width:3px;height:18px;border-radius:2px;background:var(--primary);
    transition:transform .18s ease;
  }
  .nav-link:hover::before,.nav-link.is-active::before{transform:translateY(-50%) scaleY(1)}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
}
@media (max-width:768px){
  body.page{font-size:16px}
  .container{padding:0 20px}
  .header-inner{padding:0 20px}
  .brand-text em{display:none}
  .section{padding:64px 0}
  .sec-head{margin-bottom:26px}
  .hero{padding:106px 0 60px}
  .hero-actions{gap:16px}
  .hero-actions .btn{width:100%}
  .hero-actions .link-arrow{width:100%;justify-content:flex-start}
  .hero-points{flex-direction:column;gap:10px}
  .tl-item{grid-template-columns:62px 22px minmax(0,1fr);gap:0 10px}
  .tl-time{font-size:13px;padding-top:18px}
  .tl-card{padding:16px 18px}
  .tl-card h3{font-size:16.5px}
  .hl-grid{grid-template-columns:1fr}
  .hl-a,.hl-b,.hl-wide{grid-column:span 1}
  .hl-a .hl-media,.hl-b .hl-media{aspect-ratio:16/10}
  .plan-head,.plan-list,.plan-foot{padding-left:20px;padding-right:20px}
  .post-grid{grid-template-columns:1fr}
  .stat-grid,.quote-grid{grid-template-columns:1fr}
  .cta-inner{padding:40px 0;flex-direction:column;align-items:flex-start;gap:24px}
  .cta-btns{width:100%}
  .cta-btns .btn{flex:1 1 160px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .hero-title{font-size:29px}
  .brand-text strong{font-size:14.5px}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:15px}
  .hl-wide .hl-body{padding:20px}
  .stat-card,.quote-card,.post-card{padding:20px}
}

/* roulang page: article */
:root{
  --bg-0:#070d18;
  --bg-1:#0c1526;
  --bg-2:#0a1220;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.1);
  --line:rgba(255,255,255,.14);
  --line-soft:rgba(255,255,255,.08);
  --primary:#12b8c9;
  --primary-700:#0b7f8c;
  --amber:#f0a93b;
  --glow:#45e6d6;
  --text-1:#eef4fb;
  --text-2:#a9bccf;
  --text-3:#6f8399;
  --radius-card:16px;
  --radius-glass:18px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 12px 36px rgba(18,184,201,.22);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,13,24,.74);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line-soft);
  transition:background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{background:rgba(7,13,24,.94);border-bottom-color:var(--line)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;gap:26px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-700));
  color:#03141a;font-weight:700;font-size:19px;letter-spacing:-.02em;
  box-shadow:0 6px 18px rgba(18,184,201,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{color:var(--text-1);font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .16s ease}
.nav-link:hover{color:var(--text-1)}
.nav-link.is-active{color:var(--text-1);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(69,230,214,.5);
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:6px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background .16s ease,border-color .16s ease;
}
.nav-toggle:hover{background:var(--glass);border-color:rgba(255,255,255,.28)}
.nav-toggle span{display:block;width:16px;height:1.5px;border-radius:2px;background:var(--text-1)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  padding:12px 22px;border:1px solid transparent;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease,color .16s ease,filter .16s ease;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-700));
  color:#04141a;box-shadow:0 10px 26px rgba(18,184,201,.25);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 34px rgba(18,184,201,.36)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{background:var(--glass);border-color:rgba(255,255,255,.3)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;padding:0;border:0;background:none;
  color:var(--primary);font-weight:600;font-size:15px;
}
.btn-text span{transition:transform .16s ease}
.btn-text:hover span{transform:translateX(3px)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:10px}

/* ============ 文章头部 ============ */
.page-head{position:relative;overflow:hidden;padding:62px 0 46px;border-bottom:1px solid var(--line-soft)}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,13,24,.86),rgba(7,13,24,.96)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 26% 36%,#000,transparent 74%);
  mask-image:radial-gradient(circle at 26% 36%,#000,transparent 74%);
}
.page-head .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--text-3);margin-bottom:24px}
.breadcrumb a{color:var(--text-3);transition:color .16s ease}
.breadcrumb a:hover{color:var(--glow)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--text-2);max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-title{
  font-size:clamp(30px,4vw,46px);line-height:1.28;font-weight:700;
  color:var(--text-1);letter-spacing:-.01em;max-width:920px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:13.5px;color:var(--text-3)}
.post-meta time{font-variant-numeric:tabular-nums;letter-spacing:.02em}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);opacity:.75}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;border:1px solid transparent;line-height:1.6;
}
.chip-amber{background:rgba(240,169,59,.13);color:var(--amber);border-color:rgba(240,169,59,.3)}
.chip-mint{background:rgba(18,184,201,.12);color:var(--glow);border-color:rgba(18,184,201,.28)}
.chip-plain{background:var(--glass);color:var(--text-2);border-color:var(--line-soft)}

/* ============ 正文 ============ */
.article-wrap{padding:56px 0 8px}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.92;color:var(--text-2)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:27px;font-weight:600;color:var(--text-1);
  line-height:1.45;letter-spacing:-.01em;
  margin:46px 0 16px;padding-left:15px;border-left:3px solid var(--primary);
}
.article-body h3{
  font-size:20.5px;font-weight:600;color:var(--text-1);line-height:1.5;
  margin:34px 0 12px;letter-spacing:-.005em;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--text-1);margin:24px 0 10px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--glow)}
.article-body strong{color:var(--text-1);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;color:var(--text-2)}
.article-body ul{list-style:none}
.article-body ul li{position:relative;margin-bottom:9px;padding-left:16px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 8px rgba(18,184,201,.55);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:9px;padding-left:4px}
.article-body ol li::marker{color:var(--amber);font-weight:600}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;border-left:2px solid var(--primary);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  background:linear-gradient(90deg,rgba(18,184,201,.1),rgba(255,255,255,.03));
  color:var(--text-2);
}
.article-body img{border-radius:var(--radius-img);margin:10px 0 26px;width:100%;height:auto;box-shadow:var(--shadow-card)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13.5px;color:var(--text-3);margin-top:8px;text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line-soft);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:rgba(255,255,255,.05);color:var(--text-1);font-weight:600}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:rgba(255,255,255,.07);color:var(--glow);padding:2px 6px;border-radius:6px;
}
.article-body pre{
  background:#060b14;border:1px solid var(--line-soft);border-radius:12px;
  padding:16px 18px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:var(--text-2)}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:36px 0}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;margin:0 auto;padding:56px 32px;text-align:center;
  background:var(--glass);border:1px dashed var(--line);border-radius:var(--radius-glass);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;display:grid;place-items:center;
  background:rgba(18,184,201,.12);border:1px solid rgba(18,184,201,.3);
  color:var(--glow);font-size:22px;font-weight:700;
}
.empty-state h2{font-size:22px;color:var(--text-1);font-weight:600;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:24px}

/* ============ 文末 ============ */
.post-foot{max-width:760px;margin:52px auto 0;padding-top:30px;border-top:1px solid var(--line-soft)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.foot-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.related{margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:28px;font-weight:600;color:var(--text-1);letter-spacing:-.01em}
.section-head p{font-size:14.5px;color:var(--text-3);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(69,230,214,.42);box-shadow:var(--shadow-glow)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,13,24,.05),rgba(7,13,24,.62))}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:18px;font-weight:600;color:var(--text-1);line-height:1.5}
.rel-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rel-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:76px 0 26px;
  background:var(--bg-1);border-top:1px solid var(--line-soft);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);letter-spacing:.03em;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.8;color:var(--text-2);max-width:32ch}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .16s ease,transform .16s ease}
.footer-links a:hover{color:var(--glow);transform:translateX(2px)}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.footer-info strong{color:var(--text-1);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:38px}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:72px;right:0;bottom:0;width:min(320px,86vw);
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:18px 22px 32px;overflow-y:auto;
    background:rgba(9,16,28,.98);
    backdrop-filter:blur(16px);
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .26s ease;
    box-shadow:-18px 0 50px rgba(0,0,0,.5);
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:15px 12px;font-size:15.5px;border-bottom:1px solid var(--line-soft)}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{border-left:3px solid var(--primary);padding-left:14px}
  .header-actions{margin-left:auto}
  .header-actions .btn-ghost{display:none}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .header-inner{padding:0 20px;gap:12px}
  .brand-text em{display:none}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:17px}
  .brand-text strong{font-size:15px}
  .page-head{padding:40px 0 34px}
  .post-title{font-size:30px;line-height:1.32}
  .post-meta{font-size:13px;gap:10px}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .article-wrap{padding:38px 0 4px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin:36px 0 14px}
  .article-body h3{font-size:18.5px;margin:28px 0 10px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{margin-top:68px;padding:56px 0 24px}
  .empty-state{padding:40px 22px}
}
@media (max-width:520px){
  .post-title{font-size:26px}
  .section-head h2{font-size:23px}
  .foot-actions{flex-direction:column;align-items:stretch}
  .foot-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --bg-0:#070d18;
  --bg-1:#0c1526;
  --bg-2:#101c30;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.22);
  --primary:#12b8c9;
  --primary-700:#0b7f8c;
  --amber:#f0a93b;
  --glow:#45e6d6;
  --text-1:#eef4fb;
  --text-2:#a9bccf;
  --text-3:#6f8399;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:14px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 12px 36px rgba(18,184,201,.22);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;text-underline-offset:3px;}
a:hover{text-decoration:underline;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--text-1);margin:0;letter-spacing:-0.01em;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,13,24,.78);
  backdrop-filter:blur(16px) saturate(130%);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(7,13,24,.92);box-shadow:0 10px 30px rgba(0,0,0,.4);}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--glow),var(--primary-700));
  color:#03161c;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(18,184,201,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:var(--text-1);font-size:15.5px;font-weight:700;letter-spacing:0;}
.brand-text em{font-style:normal;color:var(--text-3);font-size:11.5px;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{
  position:relative;color:var(--text-2);font-size:15px;padding:6px 0;
  transition:color .16s ease;text-decoration:none;white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);text-decoration:none;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;
  transition:transform .18s ease;opacity:.9;
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);background:var(--glow);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 22px;cursor:pointer;text-decoration:none;
  transition:all .16s ease;white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-700));
  color:#03161c;box-shadow:0 8px 24px rgba(18,184,201,.24);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--shadow-glow);}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--text-1);
}
.btn-ghost:hover{background:var(--glass);border-color:var(--primary);transform:translateY(-1px);}
.btn-sm{padding:10px 16px;font-size:14px;}
.btn-link{
  background:none;border:none;color:var(--primary);padding:6px 0;font-size:15px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-link:hover{color:var(--glow);text-decoration:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:transparent;border:1px solid var(--line-strong);
  cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);margin:4px auto;border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Hero ---------- */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.cat-hero-bg{position:absolute;inset:0;z-index:0;}
.cat-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5;}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 340px at 12% 0%,rgba(18,184,201,.20),transparent 68%),
    linear-gradient(180deg,rgba(7,13,24,.62) 0%,rgba(7,13,24,.86) 58%,var(--bg-0) 100%);
}
.cat-hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.28;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.cat-hero-inner{position:relative;z-index:2;padding:74px 0 62px;min-height:400px;display:flex;flex-direction:column;justify-content:center;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);text-decoration:none;}
.crumbs span.sep{opacity:.6;}
.crumbs .now{color:var(--text-2);}
.cat-hero h1{font-size:clamp(30px,4vw,46px);font-weight:700;max-width:760px;}
.cat-hero .hero-sub{margin-top:16px;font-size:16.5px;color:var(--text-2);max-width:640px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.4;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
}
.tag-amber{background:rgba(240,169,59,.12);border-color:rgba(240,169,59,.36);color:#f4c274;}
.tag-cyan{background:rgba(18,184,201,.13);border-color:rgba(18,184,201,.38);color:#7fe5ee;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ---------- Layout ---------- */
.section{padding:84px 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:34px;max-width:720px;}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:600;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}
.layout-split{display:grid;grid-template-columns:236px minmax(0,1fr);gap:52px;align-items:start;}
.toc{position:sticky;top:96px;}
.toc-title{font-size:12.5px;letter-spacing:.14em;color:var(--text-3);font-weight:700;text-transform:uppercase;margin-bottom:14px;}
.toc-list{border-left:1px solid var(--line);}
.toc-list a{
  display:block;padding:9px 14px;font-size:14.5px;color:var(--text-3);
  border-left:2px solid transparent;margin-left:-1px;
  transition:all .16s ease;text-decoration:none;
}
.toc-list a:hover{color:var(--text-1);background:var(--glass);border-left-color:var(--line-strong);}
.toc-list a.is-current{color:var(--glow);border-left-color:var(--glow);background:rgba(18,184,201,.08);}
.toc-note{margin-top:22px;padding:16px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);font-size:13.5px;color:var(--text-3);line-height:1.7;}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.glass-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-glass);
  padding:24px;backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  position:relative;overflow:hidden;
}
.glass-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-glow);}
.feature-card .feat-num{
  font-family:Inter,"Noto Sans SC",sans-serif;font-size:13px;font-weight:700;
  color:var(--amber);letter-spacing:.08em;
}
.feature-card h3{font-size:20px;font-weight:600;margin:10px 0 10px;}
.feature-card p{font-size:15.5px;color:var(--text-2);}
.feature-card .thumb{
  margin-top:18px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--bg-2);
}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;opacity:.86;transition:opacity .2s ease,transform .3s ease;}
.feature-card:hover .thumb img{opacity:1;transform:scale(1.03);}

/* ---------- Normal-state list ---------- */
.state-list{display:grid;gap:14px;}
.state-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--r-card);
  background:var(--bg-1);border:1px solid var(--line);
  transition:border-color .18s ease,background .18s ease;
}
.state-item:hover{border-color:rgba(18,184,201,.42);background:var(--bg-2);}
.state-dot{
  flex:0 0 10px;width:10px;height:10px;margin-top:9px;border-radius:50%;
  background:var(--glow);box-shadow:0 0 0 4px rgba(69,230,214,.14);
}
.state-item h3{font-size:17.5px;font-weight:600;}
.state-item p{font-size:15px;color:var(--text-2);margin-top:6px;}
.state-meta{margin-left:auto;font-size:13px;color:var(--text-3);white-space:nowrap;font-family:Inter,sans-serif;padding-top:2px;}

/* ---------- Steps ---------- */
.steps{position:relative;display:grid;gap:20px;}
.step{display:grid;grid-template-columns:88px minmax(0,1fr);gap:22px;align-items:start;}
.step-time{
  font-family:Inter,"Noto Sans SC",sans-serif;
  font-size:13.5px;font-weight:700;color:var(--amber);
  padding-top:18px;letter-spacing:.02em;
}
.step-body{
  position:relative;padding:20px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .18s ease,transform .18s ease;
}
.step-body::before{
  content:"";position:absolute;left:-33px;top:26px;width:9px;height:9px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 5px rgba(18,184,201,.14);
}
.step-body::after{
  content:"";position:absolute;left:-29px;top:38px;bottom:-24px;width:1px;background:var(--line);
}
.step:last-child .step-body::after{display:none;}
.step-body:hover{border-color:rgba(18,184,201,.42);transform:translateY(-2px);}
.step-body h3{font-size:18px;font-weight:600;}
.step-body p{font-size:15px;margin-top:8px;color:var(--text-2);}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-glass);overflow:hidden;background:var(--bg-1);}
.compare-col{padding:24px;}
.compare-col + .compare-col{border-left:1px solid var(--line);}
.compare-col h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.compare-col h3 .pin{width:9px;height:9px;border-radius:50%;}
.pin-ok{background:var(--glow);box-shadow:0 0 0 4px rgba(69,230,214,.14);}
.pin-bad{background:var(--amber);box-shadow:0 0 0 4px rgba(240,169,59,.14);}
.compare-col li{
  font-size:15px;color:var(--text-2);padding:11px 0 11px 18px;position:relative;
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.compare-col li:last-child{border-bottom:none;}
.compare-col li::before{content:"";position:absolute;left:0;top:20px;width:6px;height:6px;border-radius:50%;background:var(--text-3);}
.compare-ok li::before{background:var(--primary);}
.compare-bad li::before{background:var(--amber);}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);overflow:hidden;
  transition:border-color .18s ease,background .18s ease;
}
.faq-item.is-open{border-color:rgba(18,184,201,.42);background:rgba(18,184,201,.05);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:none;cursor:pointer;text-align:left;
  padding:19px 22px;color:var(--text-1);font-size:16.5px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--glow);}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;color:var(--primary);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .18s ease,opacity .18s ease;
}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px;}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15.5px;color:var(--text-2);}

/* ---------- Cross links ---------- */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.link-card{
  display:flex;flex-direction:column;gap:10px;
  padding:24px;border-radius:var(--r-glass);
  background:var(--bg-1);border:1px solid var(--line);
  text-decoration:none;transition:all .18s ease;
}
.link-card:hover{text-decoration:none;border-color:rgba(18,184,201,.45);transform:translateY(-2px);box-shadow:var(--shadow-glow);}
.link-card .lc-tag{font-size:12.5px;color:var(--amber);font-weight:700;letter-spacing:.06em;}
.link-card h3{font-size:18px;font-weight:600;color:var(--text-1);}
.link-card p{font-size:14.5px;color:var(--text-2);}
.link-card .lc-more{margin-top:auto;font-size:14px;color:var(--primary);font-weight:600;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-glass);
  border:1px solid rgba(18,184,201,.32);
  background:linear-gradient(120deg,rgba(18,184,201,.14),rgba(7,13,24,.6) 62%);
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(21px,2.5vw,27px);font-weight:600;}
.cta-band p{margin-top:10px;font-size:15.5px;color:var(--text-2);max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:76px 0 52px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col p{font-size:14.5px;color:var(--text-3);line-height:1.8;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14.5px;color:var(--text-2);text-decoration:none;transition:color .16s ease,padding-left .16s ease;}
.footer-links a:hover{color:var(--glow);padding-left:4px;}
.footer-info{display:grid;gap:11px;font-size:14px;color:var(--text-3);}
.footer-info strong{color:var(--text-2);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .main-nav{gap:22px;}
}
@media (max-width:1023px){
  .header-inner{padding:0 20px;gap:14px;}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(9,16,29,.98);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:8px 20px 20px;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    max-height:calc(100vh - 72px);overflow-y:auto;
    margin-left:0;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);visibility:visible;pointer-events:auto;}
  .nav-link{
    padding:16px 14px;border-bottom:1px solid rgba(255,255,255,.07);font-size:16px;
    border-left:3px solid transparent;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{border-left-color:var(--glow);background:rgba(18,184,201,.07);padding-left:12px;}
  .nav-toggle{display:grid;}
  .header-actions{margin-left:auto;}
  .header-actions .btn-ghost{display:none;}
  .layout-split{grid-template-columns:1fr;gap:34px;}
  .toc{position:static;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;background:var(--glass);}
  .toc-list{border-left:none;display:flex;flex-wrap:wrap;gap:8px;}
  .toc-list a{border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 13px;margin-left:0;font-size:13.5px;}
  .toc-list a.is-current{border-color:var(--glow);background:rgba(18,184,201,.1);}
  .toc-note{display:none;}
  .grid-3,.link-cards{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:56px 0 40px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .header-inner{padding:0 20px;}
  .brand-text em{display:none;}
  .cat-hero-inner{padding:52px 0 46px;min-height:0;}
  .section{padding:60px 0;}
  .section-tight{padding:44px 0;}
  .hero-cta .btn{width:100%;}
  .grid-3,.grid-2,.link-cards{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .compare-col + .compare-col{border-left:none;border-top:1px solid var(--line);}
  .step{grid-template-columns:1fr;gap:8px;}
  .step-time{padding-top:0;}
  .step-body{padding:18px 20px;}
  .step-body::before{left:-4px;top:-4px;position:relative;display:inline-block;margin-bottom:10px;}
  .step-body::after{display:none;}
  .state-item{flex-wrap:wrap;}
  .state-meta{margin-left:26px;}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 34px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;}
  .brand-text strong{font-size:14px;}
  .cat-hero h1{font-size:27px;}
  .section-head h2{font-size:22px;}
  .glass-card{padding:20px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#070d18;
  --bg-1:#0c1526;
  --bg-2:#101d31;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.14);
  --line-soft:rgba(255,255,255,.08);
  --primary:#12b8c9;
  --primary-700:#0b7f8c;
  --amber:#f0a93b;
  --glow:#45e6d6;
  --text-1:#eef4fb;
  --text-2:#a9bccf;
  --text-3:#6f8399;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:14px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 12px 36px rgba(18,184,201,.22);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--text-1);margin:0;letter-spacing:-.01em;line-height:1.28;}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:700;}
h2{font-size:clamp(24px,2.8vw,33px);font-weight:600;}
h3{font-size:20px;font-weight:600;}
h4{font-size:16.5px;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.numeric{font-family:Inter,"Noto Sans SC",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,13,24,.72);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line-soft);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(7,13,24,.92);border-bottom-color:var(--line);}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-700));
  color:#04141a;font-weight:700;font-size:19px;
  box-shadow:0 6px 18px rgba(18,184,201,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{color:var(--text-1);font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text em{color:var(--text-3);font-style:normal;font-size:12px;letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{
  position:relative;color:var(--text-2);font-size:15px;padding:6px 0;
  transition:color .16s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--glow);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--glass);
  cursor:pointer;padding:9px 10px;
}
.nav-toggle span{display:block;height:1.5px;background:var(--text-1);border-radius:2px;}
.nav-toggle span+span{margin-top:5px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;
  padding:12px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease,filter .16s ease;
}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-700));
  color:#04161b;box-shadow:0 8px 24px rgba(18,184,201,.24);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--shadow-glow);}
.btn-ghost{
  background:transparent;color:var(--text-1);border-color:var(--line);
}
.btn-ghost:hover{background:var(--glass-strong);border-color:rgba(69,230,214,.5);transform:translateY(-1px);}
.btn-line{
  background:var(--glass);color:var(--text-1);border-color:var(--line-soft);
}
.btn-line:hover{border-color:var(--primary);color:var(--glow);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--glow);
  font-size:15px;font-weight:600;position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;
  background:var(--glow);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.link-arrow:hover::after{transform:scaleX(1);}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:6px;}

/* ---------- badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);padding:5px 13px;font-size:12.5px;font-weight:600;
  border:1px solid rgba(18,184,201,.32);background:rgba(18,184,201,.12);color:var(--glow);
  letter-spacing:.02em;
}
.badge-amber{border-color:rgba(240,169,59,.34);background:rgba(240,169,59,.12);color:var(--amber);}
.badge-mute{border-color:var(--line-soft);background:var(--glass);color:var(--text-2);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--glow);box-shadow:0 0 0 4px rgba(69,230,214,.14);}

/* ---------- hero (split) ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--bg-0);
  border-bottom:1px solid var(--line-soft);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;top:-180px;left:-120px;width:680px;height:680px;
  background:radial-gradient(circle,rgba(18,184,201,.20),transparent 66%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:82px 0 76px;
}
.hero-copy{max-width:600px;}
.hero-copy h1{margin:20px 0 18px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:30px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:42px;padding-top:26px;
  border-top:1px solid var(--line-soft);
}
.stat-num{font-size:26px;font-weight:700;color:var(--text-1);}
.stat-label{font-size:13px;color:var(--text-3);margin-top:2px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--r-glass);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:16/11;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,13,24,.18),rgba(7,13,24,.82));
}
.glass-panel{
  position:absolute;left:-18px;bottom:-22px;width:min(300px,86%);
  background:rgba(12,21,38,.78);
  backdrop-filter:blur(14px) saturate(120%);
  border:1px solid var(--line);border-radius:var(--r-glass);
  padding:18px 20px;box-shadow:var(--shadow-card);
}
.glass-panel .panel-title{
  font-size:12.5px;color:var(--text-3);letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:12px;
}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;padding:6px 0;}
.panel-row span:first-child{color:var(--text-3);}
.panel-row span:last-child{color:var(--text-1);font-weight:600;}
.panel-row .hl{color:var(--glow);}

/* ---------- sections ---------- */
.section{padding:104px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16.5px;}

/* ---------- way cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.way-card{
  position:relative;
  background:var(--glass);border:1px solid var(--line-soft);
  border-radius:var(--r-card);padding:26px 24px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.way-card:hover{
  transform:translateY(-2px);border-color:rgba(69,230,214,.45);
  box-shadow:var(--shadow-glow);background:var(--glass-strong);
}
.way-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px;}
.way-index{
  font-size:13px;font-weight:700;color:var(--amber);letter-spacing:.08em;
}
.way-card h3{margin-bottom:10px;}
.way-card p{font-size:15px;color:var(--text-2);}
.way-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-soft);}
.way-meta span{font-size:13px;color:var(--text-3);}
.way-meta span strong{color:var(--text-2);font-weight:600;}

/* ---------- steps ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.step{
  background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:24px 22px;position:relative;overflow:hidden;
}
.step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.step-num{
  font-size:13px;font-weight:700;color:var(--glow);letter-spacing:.1em;margin-bottom:14px;display:block;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--text-2);}

/* ---------- timeline ---------- */
.tl{position:relative;padding-left:34px;}
.tl::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:1px;background:var(--line-soft);}
.tl-item{position:relative;margin-bottom:22px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:20px;width:9px;height:9px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(18,184,201,.15);
}
.tl-card{
  background:var(--glass);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:20px 22px;display:flex;flex-wrap:wrap;gap:14px;align-items:baseline;
  transition:border-color .18s ease,background .18s ease;
}
.tl-card:hover{border-color:var(--line);background:var(--glass-strong);}
.tl-time{font-size:14px;font-weight:700;color:var(--amber);min-width:132px;}
.tl-body{flex:1;min-width:220px;}
.tl-body h3{font-size:17px;margin-bottom:6px;}
.tl-body p{font-size:14.5px;color:var(--text-2);}

/* ---------- notice cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.notice-card{
  background:var(--glass);border:1px solid var(--line-soft);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.notice-card:hover{transform:translateY(-2px);border-color:rgba(69,230,214,.42);box-shadow:var(--shadow-glow);}
.notice-thumb{aspect-ratio:16/10;overflow:hidden;border-radius:0;}
.notice-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.notice-card:hover .notice-thumb img{transform:scale(1.04);}
.notice-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.notice-body h3{font-size:18px;}
.notice-body p{font-size:14.5px;color:var(--text-2);flex:1;}
.notice-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--glass);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:4px 22px;transition:border-color .18s ease,background .18s ease;
}
.faq-item[open]{border-color:rgba(69,230,214,.4);background:var(--glass-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;
  color:var(--text-1);font-weight:600;font-size:16.5px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  color:var(--glow);font-size:20px;font-weight:400;line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 0 20px;font-size:15px;color:var(--text-2);max-width:780px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(18,184,201,.16),rgba(12,21,38,.9) 62%);
  padding:44px 46px;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
}
.cta-band::after{
  content:"";position:absolute;right:-100px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(69,230,214,.22),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.4vw,29px);margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--text-2);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cross-card{
  display:block;background:var(--bg-2);border:1px solid var(--line-soft);
  border-radius:var(--r-card);padding:24px 22px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.cross-card:hover{transform:translateY(-2px);border-color:rgba(69,230,214,.42);box-shadow:var(--shadow-glow);}
.cross-card h3{font-size:18px;margin-bottom:10px;}
.cross-card p{font-size:14.5px;color:var(--text-2);margin-bottom:16px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-1);border-top:1px solid var(--line-soft);
  padding:84px 0 0;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:56px;border-bottom:1px solid var(--line-soft);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:18px;}
.footer-col p{font-size:14.5px;color:var(--text-2);max-width:360px;}
.footer-col h4{font-size:15px;color:var(--text-1);margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14.5px;color:var(--text-2);transition:color .16s ease;}
.footer-links a:hover{color:var(--glow);}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--text-2);}
.footer-info strong{color:var(--text-3);font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:24px 0 30px;font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:64px 0 68px;}
  .hero-copy{max-width:none;}
  .glass-panel{position:static;width:100%;margin-top:18px;}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3,.cross-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .section{padding:84px 0;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .header-inner{padding:0 20px;height:64px;gap:16px;}
  .brand-text em{display:none;}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;
    background:rgba(9,16,29,.98);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 20px 22px;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);}
  .nav-link{padding:16px 12px;border-bottom:1px solid var(--line-soft);font-size:16px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{box-shadow:inset 3px 0 0 var(--primary);}
  .nav-toggle{display:block;}
  .header-actions .btn-ghost{display:none;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:34px;}
  .grid-2,.grid-3,.cross-grid,.step-list{grid-template-columns:1fr;}
  .tl{padding-left:24px;}
  .tl-item::before{left:-21px;}
  .tl-card{flex-direction:column;gap:8px;}
  .tl-time{min-width:0;}
  .cta-band{padding:32px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 160px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:40px;}
  .site-footer{padding-top:64px;}
  .hero-stats{gap:26px;}
}
@media (max-width:520px){
  .hero-inner{padding:52px 0 56px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-stats{gap:20px 28px;}
  .stat-num{font-size:22px;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070d18;
  --bg-1:#0c1526;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.14);
  --line-soft:rgba(255,255,255,.08);
  --primary:#12b8c9;
  --primary-700:#0b7f8c;
  --amber:#f0a93b;
  --glow:#45e6d6;
  --text-1:#eef4fb;
  --text-2:#a9bccf;
  --text-3:#6f8399;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:14px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 12px 36px rgba(18,184,201,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text-2);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{color:var(--text-1);margin:0;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(18,184,201,.32);color:#fff}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,13,24,.74);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line-soft);
  transition:background .18s ease,border-color .18s ease;
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;gap:32px;
  transition:height .18s ease;
}
.site-header.is-scrolled{background:rgba(7,13,24,.93);border-bottom-color:var(--line)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;color:#04121a;
  background:linear-gradient(140deg,var(--glow),var(--primary) 55%,var(--primary-700));
  box-shadow:0 6px 18px rgba(18,184,201,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{color:var(--text-1);font-size:15.5px;font-weight:700;letter-spacing:0}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;transition:color .18s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--glow),var(--primary));
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{transform:scaleX(.55)}
.nav-link.is-active{color:var(--text-1)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .16s ease;white-space:nowrap;text-align:center;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{
  color:#04161c;
  background:linear-gradient(135deg,var(--glow),var(--primary));
  box-shadow:0 10px 26px rgba(18,184,201,.26);
}
.btn-primary:hover{
  filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 14px 34px rgba(18,184,201,.36);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  color:var(--text-1);background:transparent;border-color:var(--line);
}
.btn-ghost:hover{background:var(--glass);border-color:rgba(69,230,214,.5);transform:translateY(-1px)}
.btn-line{
  color:var(--text-1);background:var(--glass);border-color:var(--line);
}
.btn-line:hover{background:var(--glass-2);border-color:rgba(69,230,214,.45)}
.text-link{
  color:var(--primary);border-bottom:1px solid rgba(18,184,201,.45);
  padding-bottom:2px;transition:color .16s ease,border-color .16s ease;
}
.text-link:hover{color:var(--glow);border-color:var(--glow)}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--glass);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:17px;height:1.6px;background:var(--text-1);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line-soft);
  background:var(--bg-0);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(180deg,rgba(7,13,24,.86) 0%,rgba(7,13,24,.94) 62%,var(--bg-0) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover,cover;
  background-position:center,center;
  opacity:.9;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:24px 24px,24px 24px;
  mask-image:radial-gradient(120% 80% at 72% 20%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 80% at 72% 20%,#000 0%,transparent 72%);
}
.hero-glow{
  position:absolute;top:-160px;right:-120px;width:620px;height:620px;pointer-events:none;
  background:radial-gradient(circle,rgba(18,184,201,.20) 0%,rgba(18,184,201,0) 68%);
}
.hero-inner{
  position:relative;z-index:2;
  max-width:1200px;margin:0 auto;padding:96px 32px 88px;
  display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center;
  min-height:400px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:999px;
  border:1px solid rgba(69,230,214,.28);
  background:rgba(18,184,201,.1);
  color:var(--glow);font-size:13px;letter-spacing:.04em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--glow);box-shadow:0 0 0 4px rgba(69,230,214,.16)}
.hero h1{
  margin:22px 0 18px;font-size:50px;font-weight:700;line-height:1.16;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--glow),var(--primary) 65%,#8fe9f2);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17.5px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-figure{
  position:relative;border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:var(--glass);
  padding:12px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.hero-figure img{border-radius:var(--r-img);width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-figure::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-glass);pointer-events:none;
  background:linear-gradient(160deg,rgba(69,230,214,.16),transparent 44%);
}
.hero-figure figcaption{
  position:absolute;left:24px;bottom:24px;right:24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-radius:12px;
  background:rgba(7,13,24,.78);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  font-size:13px;color:var(--text-2);
}
.hero-figure figcaption strong{color:var(--glow);font-weight:600}

/* ---------- section base ---------- */
.section{padding:104px 0;position:relative}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:720px;margin-bottom:52px}
.section-head h2{font-size:32px;font-weight:600;margin-bottom:14px}
.section-head p{font-size:16.5px;color:var(--text-2)}
.kicker{
  display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;
}

/* ---------- timeline ---------- */
.tl{position:relative;padding-left:40px}
.tl::before{
  content:"";position:absolute;left:9px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(18,184,201,.7),rgba(255,255,255,.07));
}
.tl-item{position:relative;margin-bottom:18px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-40px;top:28px;width:10px;height:10px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(18,184,201,.14);
}
.tl-card{
  border:1px solid var(--line);border-radius:var(--r-glass);
  background:var(--glass);backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  padding:22px 26px;display:grid;grid-template-columns:112px 1fr;gap:24px;align-items:start;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.tl-card:hover{border-color:rgba(69,230,214,.42);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.tl-time{
  font-family:"Inter","Noto Sans SC",system-ui,sans-serif;
  font-size:13.5px;letter-spacing:.04em;color:var(--amber);font-weight:600;padding-top:3px;
}
.tl-body h3{font-size:19px;font-weight:600;margin-bottom:8px}
.tl-body p{font-size:15.5px;color:var(--text-2)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;
  border:1px solid rgba(18,184,201,.3);background:rgba(18,184,201,.1);color:#8fe9f2;
}
.tag-amber{border-color:rgba(240,169,59,.32);background:rgba(240,169,59,.12);color:#f6c377}

/* ---------- cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.card:hover{border-color:rgba(69,230,214,.42);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.card h3{font-size:19px;font-weight:600}
.card p{font-size:15px;color:var(--text-2)}
.card-cover{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-soft)}
.card-cover img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.card:hover .card-cover img{transform:scale(1.04)}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;font-size:12.5px;color:var(--text-3)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  padding:26px 22px 24px;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-family:"Inter",system-ui,sans-serif;
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--amber);margin-bottom:14px;
}
.step h3{font-size:17.5px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--text-2)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);padding:26px 24px;text-align:left;
}
.stat b{
  display:block;font-family:"Inter","Noto Sans SC",system-ui,sans-serif;
  font-size:34px;font-weight:700;line-height:1.1;
  background:linear-gradient(120deg,var(--glow),var(--primary));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--text-3)}

/* ---------- faq ---------- */
.faq{max-width:880px;display:flex;flex-direction:column;gap:14px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);overflow:hidden;transition:border-color .18s ease,background .18s ease;
}
.faq-item[open]{border-color:rgba(69,230,214,.4);background:var(--glass-2)}
.faq-q{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--text-1);
}
.faq-q::-webkit-details-marker{display:none}
.faq-sign{position:relative;width:16px;height:16px;flex-shrink:0}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .18s ease,opacity .18s ease;
}
.faq-sign::before{left:0;top:7px;width:16px;height:2px}
.faq-sign::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 24px 22px;font-size:15.5px;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(120deg,rgba(18,184,201,.16),rgba(255,255,255,.04) 55%,rgba(240,169,59,.1));
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{
  content:"";position:absolute;top:-120px;right:-60px;width:420px;height:420px;pointer-events:none;
  background:radial-gradient(circle,rgba(69,230,214,.22),transparent 70%);
}
.cta-band h2{font-size:30px;font-weight:600;margin-bottom:12px}
.cta-band p{font-size:16px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- link cards ---------- */
.link-card{
  display:flex;flex-direction:column;gap:12px;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);padding:26px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.link-card:hover{border-color:rgba(69,230,214,.42);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.link-card h3{font-size:18.5px;font-weight:600}
.link-card p{font-size:15px;color:var(--text-2)}
.link-card span.more{font-size:14px;color:var(--primary);margin-top:6px}
.link-card:hover span.more{color:var(--glow)}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line-soft);background:var(--bg-1);
  padding:88px 0 34px;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:12px;margin-bottom:18px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:18px}
.footer-col p{font-size:14.5px;color:var(--text-3);line-height:1.85}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:var(--text-2);transition:color .16s ease}
.footer-links a:hover{color:var(--glow)}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:14.5px;color:var(--text-3)}
.footer-info strong{color:var(--text-2);font-weight:600}
.footer-bottom{
  margin-top:64px;padding-top:24px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:var(--text-3);flex-wrap:wrap;
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .hero h1{font-size:46px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-inner{padding:0 24px;height:64px}
  .hero-inner{padding:72px 24px 68px;grid-template-columns:1fr;gap:40px;min-height:auto}
  .hero h1{font-size:40px}
  .grid-4,.grid-3,.steps,.stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 20px 20px;margin-left:0;
    background:rgba(7,13,24,.97);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:transform .2s ease,opacity .2s ease,visibility .2s ease;
    max-height:calc(100vh - 64px);overflow:auto;
  }
  .main-nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav-link{width:100%;padding:15px 4px 15px 14px;border-bottom:1px solid var(--line-soft);font-size:16px}
  .nav-link::after{display:none}
  .nav-link.is-active::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
    background:linear-gradient(180deg,var(--glow),var(--primary));
  }
  .nav-toggle{display:flex}
  .header-actions .btn-ghost{display:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:42px 32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:76px 0}
  .section-head{margin-bottom:38px}
  .section-head h2{font-size:26px}
  .hero h1{font-size:33px}
  .hero-sub{font-size:16px}
  .grid-2{grid-template-columns:1fr}
  .tl{padding-left:28px}
  .tl-item::before{left:-28px;top:26px}
  .tl-card{grid-template-columns:1fr;gap:10px;padding:20px}
  .tl-time{padding-top:0}
  .brand-text em{display:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{margin-top:44px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .header-inner{padding:0 20px}
  .hero-inner{padding:56px 20px 60px}
  .hero h1{font-size:29px}
  .grid-4,.grid-3,.steps,.stats{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-figure figcaption{position:static;margin-top:12px;left:auto;right:auto;bottom:auto}
  .cta-band{padding:34px 24px;border-radius:18px}
  .cta-band h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .section{padding:64px 0}
}

/* roulang page: category4 */
:root{
  --bg-0:#070d18;
  --bg-1:#0c1526;
  --bg-2:#101d33;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.14);
  --primary:#12b8c9;
  --primary-700:#0b7f8c;
  --amber:#f0a93b;
  --glow:#45e6d6;
  --text-1:#eef4fb;
  --text-2:#a9bccf;
  --text-3:#6f8399;
  --radius:16px;
  --radius-lg:18px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 12px 36px rgba(18,184,201,.22);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:600;line-height:1.32;letter-spacing:-.01em}
h1{font-weight:700}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,184,201,.35);color:#fff}

/* 容器与板块 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:86px 0}
.section-alt{background:var(--bg-1);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.section-head{max-width:760px;margin-bottom:38px}
.section-title{font-size:clamp(24px,3vw,32px);margin-top:16px}
.section-sub{margin-top:12px;color:var(--text-2);font-size:16px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  background:rgba(240,169,59,.12);border:1px solid rgba(240,169,59,.32);
  color:var(--amber);font-size:12.5px;letter-spacing:.05em;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease,color .16s ease,filter .16s ease;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-700));color:#04141a;box-shadow:0 10px 26px rgba(18,184,201,.26)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 14px 34px rgba(69,230,214,.32)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{border:1px solid var(--glass-line);background:var(--glass);color:var(--text-1)}
.btn-ghost:hover{transform:translateY(-1px);border-color:rgba(18,184,201,.6);box-shadow:0 10px 26px rgba(18,184,201,.18);color:#eafeff}
.link-more{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.link-more:hover{color:var(--glow)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,13,24,.72);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{background:rgba(7,13,24,.94);border-bottom-color:rgba(255,255,255,.14)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;gap:26px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-700));
  color:#04141a;font-weight:700;font-size:17px;
  box-shadow:0 6px 18px rgba(18,184,201,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{color:var(--text-1);font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3)}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .16s ease}
.nav-link:hover{color:var(--text-1)}
.nav-link.is-active{color:var(--text-1)}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--glass-line);background:var(--glass);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-2);transition:color .16s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--text-3)}

/* 内页首屏 */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(7,13,24,.55),rgba(7,13,24,.94)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero::after{
  content:"";position:absolute;top:-40%;right:-12%;width:560px;height:560px;pointer-events:none;
  background:radial-gradient(circle,rgba(18,184,201,.24),transparent 65%);
}
.page-hero-inner{
  position:relative;z-index:2;max-width:var(--container);margin:0 auto;
  padding:54px 32px 66px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:44px;align-items:center;
}
.hero-title{font-size:clamp(30px,4.2vw,50px);line-height:1.2}
.hero-lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{padding:26px;border-radius:var(--radius-lg);background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow)}
.hero-panel h2{font-size:17px;letter-spacing:.02em}
.panel-list{margin-top:14px;display:grid}
.panel-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.12);font-size:14.5px}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row span{color:var(--text-3)}
.panel-row b{color:var(--glow);font-weight:600;text-align:right}

/* 症状索引网格 */
.symptom-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.symptom-card{
  position:relative;padding:24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.symptom-card:hover{transform:translateY(-2px);border-color:rgba(18,184,201,.55);box-shadow:var(--shadow-glow)}
.symptom-num{font-family:Inter,"Noto Sans SC",sans-serif;font-size:13px;letter-spacing:.14em;color:var(--amber)}
.symptom-card h3{font-size:19px;margin:12px 0 8px}
.symptom-card p{font-size:15px}
.tag-row{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12.5px;padding:4px 11px;border-radius:999px;background:rgba(18,184,201,.1);border:1px solid rgba(18,184,201,.28);color:#8fe9f2}
.tag-amber{background:rgba(240,169,59,.12);border-color:rgba(240,169,59,.3);color:#f4c274}

/* 时间轴 */
.timeline{display:grid;gap:20px}
.tl-item{display:grid;grid-template-columns:132px minmax(0,1fr);gap:26px;position:relative}
.tl-time{
  position:relative;padding-top:14px;text-align:right;
  border-right:1px solid rgba(255,255,255,.12);
  font-family:Inter,"Noto Sans SC",sans-serif;font-size:14px;letter-spacing:.08em;color:var(--amber);
}
.tl-time::after{
  content:"";position:absolute;right:-5px;top:21px;width:9px;height:9px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(18,184,201,.16);
}
.tl-item:last-child .tl-time{border-right-color:transparent}
.tl-card{
  padding:22px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(18,184,201,.5);box-shadow:var(--shadow-glow)}
.tl-card h3{font-size:19px;margin-bottom:8px}
.tl-card p{font-size:15px}

/* 分诊对照 */
.triage-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.triage-card{
  display:flex;flex-direction:column;gap:16px;padding:26px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--glass-line);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.triage-card:hover{transform:translateY(-2px);border-color:rgba(69,230,214,.45);box-shadow:var(--shadow-glow)}
.triage-card h3{font-size:18px}
.triage-line{font-size:14.5px;padding-top:13px;border-top:1px solid rgba(255,255,255,.09)}
.triage-line b{display:block;margin-bottom:4px;font-size:12.5px;letter-spacing:.06em;color:var(--text-3);font-weight:600}
.triage-line span{color:var(--text-2)}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,13,24,.05) 42%,rgba(7,13,24,.6));pointer-events:none}
.split-caption{position:absolute;left:20px;right:20px;bottom:16px;z-index:2;font-size:13px;color:#cfe6ef}
.check-list{margin-top:22px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--text-2)}
.check-list li span{flex:0 0 auto;color:var(--glow);font-weight:700}

/* 站内互链 */
.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.link-card{
  display:block;border-radius:var(--radius);overflow:hidden;
  background:var(--bg-1);border:1px solid var(--glass-line);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.link-card:hover{transform:translateY(-2px);border-color:rgba(18,184,201,.5);box-shadow:var(--shadow-glow)}
.link-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.link-card-body{padding:20px 22px 22px}
.link-card-body h3{font-size:18px;margin-bottom:8px}
.link-card-body p{font-size:14.5px}
.link-card-body em{display:block;margin-top:14px;font-style:normal;font-size:13.5px;color:var(--primary);font-weight:600}

/* FAQ */
.faq{display:grid;gap:12px;max-width:900px}
.faq-item{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-line);overflow:hidden;transition:border-color .18s ease}
.faq-item.is-open{border-color:rgba(18,184,201,.45)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:0;top:7px;width:16px;height:2px;border-radius:2px;background:var(--primary);transition:transform .18s ease}
.faq-icon::after{transform:rotate(90deg)}
.faq-item.is-open .faq-icon::after{transform:rotate(0deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-item.is-open .faq-a{max-height:480px}
.faq-a-inner{padding:0 22px 20px;font-size:15.5px;color:var(--text-2)}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;padding:40px;
  border-radius:22px;border:1px solid rgba(18,184,201,.3);
  background:linear-gradient(120deg,rgba(18,184,201,.15),rgba(7,13,24,.5) 62%);
  display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;bottom:-45%;right:-6%;width:420px;height:420px;pointer-events:none;
  background:radial-gradient(circle,rgba(69,230,214,.18),transparent 62%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px)}
.cta-band p{margin-top:12px;font-size:15.5px;position:relative;z-index:2}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* 页脚 */
.site-footer{
  margin-top:0;padding:78px 0 28px;
  background:linear-gradient(180deg,var(--bg-0),#050a12);
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:16px}
.footer-brand .brand-text strong{font-size:15px}
.footer-col h4{font-size:14px;letter-spacing:.06em;margin-bottom:16px;color:var(--text-1)}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.85}
.footer-links{display:grid;gap:10px;font-size:14px}
.footer-links a{color:var(--text-2);transition:color .16s ease}
.footer-links a:hover{color:var(--primary)}
.footer-info{display:grid;gap:10px;font-size:14px;color:var(--text-3)}
.footer-info strong{color:var(--text-2);font-weight:600}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}

/* 响应式 */
@media (max-width:1180px){
  .header-inner,.container,.page-hero-inner{padding-left:24px;padding-right:24px}
}
@media (max-width:1024px){
  .section{padding:70px 0}
  .symptom-grid,.triage-grid,.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:52px}
  .split{grid-template-columns:1fr;gap:30px}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;left:0;right:0;top:72px;margin-left:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:6px 20px 18px;
    background:rgba(7,13,24,.98);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--glass-line);
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:transform .2s ease,opacity .2s ease,visibility .2s ease;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-link{padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-link.is-active{padding-left:12px;border-left:3px solid var(--primary)}
  .nav-link.is-active::after{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-sm{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:58px 0}
  .section-head{margin-bottom:28px}
  .symptom-grid,.triage-grid,.link-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:8px}
  .tl-time{
    text-align:left;padding-top:0;border-right:0;padding-left:20px;position:relative;
  }
  .tl-time::after{right:auto;left:0;top:6px}
  .tl-time::before{content:"";position:absolute;left:4px;top:14px;bottom:-16px;width:1px;background:rgba(255,255,255,.12)}
  .tl-item:last-child .tl-time::before{display:none}
  .tl-card{margin-left:20px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .header-inner{padding:0 16px;gap:12px}
  .container,.page-hero-inner{padding-left:16px;padding-right:16px}
  .brand-text em{display:none}
  .page-hero-inner{padding-top:34px;padding-bottom:44px}
  .hero-panel{padding:20px}
  .panel-row{flex-direction:column;gap:4px}
  .panel-row b{text-align:left}
  .cta-band{padding:24px}
}