/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A121B;
  --panel:rgba(255,255,255,0.045);
  --stroke:rgba(120,205,255,0.14);
  --brand:#2FE3B0;
  --brand-2:#3A9BFF;
  --accent:#FFB443;
  --live:#FF4D5E;
  --text:#E9F2F8;
  --muted:#93A7B8;
  --dim:#64798C;
  --grad-main:linear-gradient(135deg,#2FE3B0 0%,#3A9BFF 100%);
  --glow:0 0 0 1px rgba(47,227,176,.32),0 14px 42px -14px rgba(47,227,176,.55);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --max:1200px;
  --font-base:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Rajdhani","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
button{font-family:inherit;font-size:inherit}
input,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section--alt{background:var(--bg-1)}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--brand);
  margin:0 0 12px;
  text-transform:uppercase;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(26px,3vw,36px);line-height:1.25}
.section-head .head-desc{color:var(--muted);font-size:15px;max-width:520px;margin-top:10px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  border-bottom:1px solid rgba(47,227,176,.35);
  padding-bottom:2px;
}
.link-more:hover{color:#7CF2D2;border-color:#7CF2D2}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,filter .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--grad-main);color:#04140F;
  border-radius:999px;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.98)}
.btn-ghost{
  background:rgba(255,255,255,.02);color:var(--text);
  border-color:var(--stroke);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:5px 10px;border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(58,155,255,.12);color:#A6D6FF;
}
.badge-live{background:rgba(255,77,94,.14);border-color:rgba(255,77,94,.35);color:#FFC3C9}
.badge-accent{background:rgba(255,180,67,.12);border-color:rgba(255,180,67,.32);color:#FFD79B}
.badge-brand{background:rgba(47,227,176,.12);border-color:rgba(47,227,176,.32);color:#8DF3D8}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,8,15,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--stroke);
}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--grad-main);
  display:grid;place-items:center;
  box-shadow:0 6px 18px -8px rgba(47,227,176,.85);
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--dim);letter-spacing:.14em;font-family:var(--font-num)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;
  padding:8px 14px;
  font-size:15px;color:var(--muted);border-radius:999px;
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  border-radius:2px;background:var(--grad-main);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(255,255,255,.03);
  cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:.22s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.22s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

.drawer{
  position:fixed;inset:76px 0 0 0;z-index:70;
  background:rgba(5,8,15,.98);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  padding:28px 24px 120px;
  display:none;
  overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer a.drawer-link{
  display:block;padding:16px 4px;font-size:20px;font-weight:600;
  color:var(--text);border-bottom:1px solid var(--stroke);
}
.drawer a.drawer-link:hover{color:var(--brand)}
.drawer .drawer-cta{
  position:fixed;left:0;right:0;bottom:0;padding:16px 24px 24px;
  background:linear-gradient(180deg,rgba(5,8,15,0),rgba(5,8,15,.98) 40%);
}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:92px 0 88px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 420px at 10% -5%,rgba(47,227,176,.18),transparent 70%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.04;
  background-image:linear-gradient(rgba(120,205,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,205,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(60% 60% at 50% 30%,#000 0%,transparent 100%);
  mask-image:radial-gradient(60% 60% at 50% 30%,#000 0%,transparent 100%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(32px,4.6vw,56px);
  line-height:1.15;font-weight:700;margin:0 0 20px;
}
.hero h1 .hl{
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:540px;margin:0 0 30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px}
.metric-num{
  font-family:var(--font-num);font-weight:600;font-size:32px;line-height:1.1;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-label{font-size:12px;color:var(--dim);margin-top:2px}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--stroke);
  background:var(--panel);
  box-shadow:0 30px 70px -40px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.06);
}
.hero-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(5,8,15,0) 40%,rgba(5,8,15,.72) 100%);
}
.hero-float{
  position:absolute;right:-10px;bottom:-22px;
  padding:14px 18px;border-radius:14px;
  background:rgba(10,18,27,.9);
  border:1px solid var(--stroke);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.9);
  display:flex;align-items:center;gap:12px;
}
.hero-float .num{font-family:var(--font-num);font-size:26px;font-weight:600;color:var(--accent);line-height:1}
.hero-float .txt{font-size:12px;color:var(--muted);line-height:1.5}
.hero-strip{
  position:relative;z-index:2;margin-top:44px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:12px 18px;border-radius:999px;
  border:1px solid var(--stroke);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--muted);width:fit-content;
}

/* ============ 卡片网格 ============ */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  position:relative;
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
  display:flex;flex-direction:column;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,227,176,.45);
  box-shadow:var(--glow);
}
.card.span-2{grid-column:span 2}
.card-icon{
  width:46px;height:46px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid rgba(47,227,176,.28);
  background:rgba(47,227,176,.08);
  margin-bottom:18px;
}
.card-icon svg{width:24px;height:24px;stroke:var(--brand);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.card p{font-size:15px;color:var(--muted);line-height:1.75}
.card-foot{
  margin-top:auto;padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card-link:hover{color:#7CF2D2}
.card-link .arrow{transition:transform .2s ease}
.card:hover .card-link .arrow{transform:translateX(4px)}
.card.span-2 .card-media{
  margin-top:20px;border-radius:12px;overflow:hidden;border:1px solid var(--stroke);
}
.card.span-2 .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.card.span-2:hover .card-media img{transform:scale(1.03)}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--stroke);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.045);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.stat{padding:32px 26px;border-left:1px solid var(--stroke)}
.stat:first-child{border-left:0}
.stat-num{
  font-family:var(--font-num);font-weight:600;font-size:44px;line-height:1;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:20px;margin-left:2px}
.stat-label{font-size:13px;color:var(--muted);margin-top:10px}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;align-items:start}
.news-main{
  display:block;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--stroke);background:rgba(255,255,255,.04);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-main:hover{transform:translateY(-4px);border-color:rgba(47,227,176,.45);box-shadow:var(--glow)}
.news-cover{overflow:hidden}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.news-main:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:24px}
.news-body h3{
  font-size:21px;line-height:1.45;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:15px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);margin-top:16px;
}
.news-list{
  border:1px solid var(--stroke);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.03);overflow:hidden;
}
.news-item{
  display:block;position:relative;padding:18px 22px;
  border-bottom:1px solid var(--stroke);
  transition:background .2s ease;
}
.news-item:last-child{border-bottom:0}
.news-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;
  background:var(--grad-main);opacity:0;transition:opacity .2s ease;
}
.news-item:hover{background:rgba(255,255,255,.04)}
.news-item:hover::before{opacity:1}
.news-item h4{
  font-size:16px;line-height:1.55;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item:hover h4{color:var(--brand)}
.news-item .news-meta{margin-top:8px}
.empty-state{
  grid-column:1/-1;
  min-height:220px;
  display:grid;place-items:center;text-align:center;
  border:1px dashed rgba(120,205,255,.24);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.03);
  padding:40px 24px;
}
.empty-state svg{width:34px;height:34px;stroke:var(--dim);fill:none;stroke-width:1.5;margin:0 auto 14px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.case-main{
  display:grid;grid-template-columns:1fr 1fr;
  border:1px solid var(--stroke);border-radius:var(--radius-lg);
  overflow:hidden;background:rgba(255,255,255,.04);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.case-main:hover{transform:translateY(-4px);border-color:rgba(47,227,176,.45);box-shadow:var(--glow)}
.case-main .case-img{overflow:hidden}
.case-main .case-img img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.case-main:hover .case-img img{transform:scale(1.03)}
.case-main .case-text{padding:28px;display:flex;flex-direction:column;justify-content:center}
.case-main h3{font-size:21px;line-height:1.45;margin:12px 0 10px}
.case-main p{font-size:15px;color:var(--muted)}
.case-side{display:grid;gap:24px}
.case-small{
  display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;
  padding:14px;border:1px solid var(--stroke);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.04);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.case-small:hover{transform:translateY(-4px);border-color:rgba(47,227,176,.45);box-shadow:var(--glow)}
.case-small img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px}
.case-small h4{font-size:15px;line-height:1.5;margin:8px 0 6px}
.case-small span.tag{font-size:12px;color:var(--brand-2)}

/* ============ 方案分层 ============ */
.plan-grid{display:grid;grid-template-columns:320px 1fr;gap:24px;align-items:start}
.plan-tabs{display:flex;flex-direction:column;gap:10px}
.plan-tab{
  display:block;width:100%;text-align:left;
  padding:18px 20px;border-radius:var(--radius-md);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.03);
  color:var(--muted);cursor:pointer;
  position:relative;transition:.2s ease;
}
.plan-tab strong{display:block;color:var(--text);font-size:16px;font-weight:600;margin-bottom:4px}
.plan-tab em{font-style:normal;font-size:13px;color:var(--dim);line-height:1.6}
.plan-tab:hover{border-color:rgba(47,227,176,.4);color:var(--text)}
.plan-tab.is-active{
  background:rgba(47,227,176,.08);
  border-color:rgba(47,227,176,.4);
}
.plan-tab.is-active::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--grad-main);
}
.plan-tab.is-active strong{color:var(--brand)}
.plan-panels{position:relative}
.plan-panel{
  display:none;
  border:1px solid var(--stroke);border-radius:var(--radius-lg);
  background:rgba(10,18,27,.85);
  padding:32px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.plan-panel.is-active{display:block}
.plan-panel h3{font-size:22px;line-height:1.4;margin-bottom:12px}
.plan-panel > p{color:var(--muted);font-size:15px;margin-bottom:22px}
.plan-list{display:grid;gap:12px;margin-bottom:26px}
.plan-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--muted);line-height:1.75;
}
.plan-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;
  border-radius:3px;background:var(--grad-main);
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--stroke)}
.faq-item{border-bottom:1px solid var(--stroke)}
.faq-item summary{
  position:relative;
  list-style:none;cursor:pointer;
  padding:20px 48px 20px 18px;
  font-size:16px;font-weight:600;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:3px;background:var(--grad-main);opacity:0;transition:opacity .2s ease;
}
.faq-item summary::after{
  content:"";position:absolute;right:16px;top:26px;width:12px;height:12px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;
}
.faq-item summary:hover{background:rgba(255,255,255,.03);color:var(--brand)}
.faq-item[open] summary{background:rgba(255,255,255,.045);color:var(--brand)}
.faq-item[open] summary::before{opacity:1}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq-answer{padding:0 48px 22px 18px;color:var(--muted);font-size:15px;line-height:1.85}

/* ============ CTA / 联系 ============ */
.cta-section{position:relative;overflow:hidden;background:var(--bg-1);padding:96px 0}
.cta-section::before{
  content:"";position:absolute;right:-10%;top:-20%;width:640px;height:640px;
  background:radial-gradient(circle,rgba(58,155,255,.16),transparent 68%);
  pointer-events:none;
}
.cta-card{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  border:1px solid var(--stroke);border-radius:22px;
  background:rgba(255,255,255,.045);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:48px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-card h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:14px}
.cta-card .cta-desc{color:var(--muted);font-size:15px;margin-bottom:26px}
.contact-list{display:grid;gap:14px}
.contact-item{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--muted)}
.contact-item svg{width:18px;height:18px;stroke:var(--brand);fill:none;stroke-width:1.6;flex-shrink:0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--muted)}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(5,8,15,.65);
  border:1px solid var(--stroke);
  color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:104px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:hover,.field textarea:hover{border-color:rgba(120,205,255,.3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(47,227,176,.14);
  background:rgba(5,8,15,.85);
}
.form-note{font-size:12px;color:var(--dim);margin-top:12px;line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-0);border-top:1px solid var(--stroke);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:320px;line-height:1.85}
.footer-col h5{font-size:14px;font-weight:700;color:var(--text);margin:0 0 16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:var(--muted);line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--stroke);
  padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}
.footer-bottom a{color:var(--dim)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero-grid{gap:40px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:grid}
  .hero{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:2}
  .hero-float{right:10px;bottom:-18px}
  .section{padding:72px 0}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .card.span-2{grid-column:span 2}
  .news-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .case-main{grid-template-columns:1fr}
  .case-main .case-img img{aspect-ratio:16/9}
  .plan-grid{grid-template-columns:1fr}
  .plan-tabs{flex-direction:row;flex-wrap:wrap}
  .plan-tab{flex:1 1 220px}
  .plan-tab.is-active::before{left:14px;right:14px;top:auto;bottom:0;width:auto;height:2px}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:56px 0}
  .hero-metrics{gap:24px}
  .metric-num{font-size:26px}
  .grid-cards{grid-template-columns:1fr}
  .card.span-2{grid-column:span 1}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:0;border-top:1px solid var(--stroke);padding:24px 20px}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0}
  .stat:nth-child(even){border-left:1px solid var(--stroke)}
  .stat-num{font-size:36px}
  .section-head{margin-bottom:28px}
  .news-body{padding:18px}
  .news-item{padding:16px 18px}
  .faq-item summary{padding:18px 44px 18px 16px;font-size:15px}
  .faq-item summary::after{top:24px;right:14px}
  .faq-answer{padding:0 20px 20px 16px;font-size:14px}
  .cta-card{padding:26px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-float{position:static;margin-top:16px;right:auto;bottom:auto}
}
@media (max-width:480px){
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .hero-cta .btn{width:100%}
  .hero-strip{font-size:12px}
  .case-small{grid-template-columns:88px 1fr}
  .plan-panel{padding:22px}
  .stats{grid-template-columns:1fr}
  .stat{border-left:0 !important;border-top:1px solid var(--stroke)}
  .stat:first-child{border-top:0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A121B;
  --panel:rgba(255,255,255,.045);
  --stroke:rgba(120,205,255,.14);
  --brand:#2FE3B0;
  --brand-2:#3A9BFF;
  --accent:#FFB443;
  --live:#FF4D5E;
  --text:#E9F2F8;
  --muted:#93A7B8;
  --dim:#64798C;
  --grad-main:linear-gradient(135deg,#2FE3B0 0%,#3A9BFF 100%);
  --glow:0 0 0 1px rgba(47,227,176,.32), 0 14px 42px -14px rgba(47,227,176,.55);
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --radius-pill:999px;
  --card-shadow:inset 0 1px 0 rgba(255,255,255,.05), 0 20px 44px -34px rgba(0,0,0,.95);
  --container:1200px;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Rajdhani","Noto Sans SC",sans-serif;
}
*,*::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);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,227,176,.28);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--stroke);
}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-main);
  display:grid;place-items:center;flex:0 0 auto;
  box-shadow:0 10px 24px -14px rgba(47,227,176,.9);
}
.brand-mark svg{width:22px;height:22px}
.brand-name{display:block;font-size:16px;font-weight:700;line-height:1.25;letter-spacing:.4px}
.brand-sub{display:block;font-family:var(--font-num);font-size:10px;letter-spacing:.22em;color:var(--dim);line-height:1.4}
.nav-links{display:flex;align-items:center;gap:4px;margin-right:auto}
.nav-links a{
  position:relative;padding:10px 15px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--muted);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-main);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,filter .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--grad-main);color:#04140F;box-shadow:var(--glow)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--stroke);color:var(--text)}
.btn-ghost:hover{border-color:rgba(47,227,176,.5);color:var(--brand);background:rgba(47,227,176,.07)}
.btn-ghost:active{transform:translateY(1px)}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(255,255,255,.04);
  cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:55;
  background:rgba(5,8,15,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:26px 24px 40px;display:none;flex-direction:column;gap:4px;
  overflow-y:auto;
}
.drawer.open{display:flex}
.drawer a.drawer-link{
  font-size:20px;font-weight:600;padding:16px 4px;
  border-bottom:1px solid var(--stroke);color:var(--text);
}
.drawer a.drawer-link:hover{color:var(--brand)}
.drawer .btn{margin-top:22px;width:100%;padding:15px 22px;font-size:16px}

/* ---------- breadcrumb + page ---------- */
.crumb-bar{padding:26px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--dim)}
.breadcrumb a{color:var(--dim)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(100,121,140,.6)}
.breadcrumb .current{color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-body{padding:28px 0 96px}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;align-items:start}
.article-main{max-width:820px;width:100%;margin:0 auto;min-width:0}

/* ---------- article head ---------- */
.article-badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.3px;
  border:1px solid var(--stroke);background:rgba(255,255,255,.05);color:var(--muted);
}
.badge-brand{border-color:rgba(58,155,255,.38);background:rgba(58,155,255,.12);color:#9ECBFF}
.badge-live{border-color:rgba(255,77,94,.4);background:rgba(255,77,94,.12);color:#FF98A2}
.badge-accent{border-color:rgba(255,180,67,.38);background:rgba(255,180,67,.12);color:#FFCE87}
.article-title{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;font-weight:700;letter-spacing:-.2px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:18px;padding-bottom:22px;
  border-bottom:1px solid var(--stroke);
  font-size:13.5px;color:var(--dim);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(47,227,176,.8)}
.article-meta .num{font-family:var(--font-num);font-size:15px;color:var(--muted)}
.article-cover{
  margin:26px 0 8px;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--stroke);background:var(--bg-1);
  box-shadow:var(--card-shadow);aspect-ratio:16/10;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- article body ---------- */
.article-body{
  max-width:760px;margin:26px auto 0;
  font-size:17px;line-height:1.95;color:#D4E0EA;
}
.article-body>*+*{margin-top:1.2em}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:2.1em 0 .8em;padding-left:16px;
  font-size:clamp(21px,2.2vw,26px);line-height:1.45;font-weight:700;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:4px;background:var(--grad-main);
}
.article-body h3{
  margin:1.7em 0 .6em;font-size:20px;line-height:1.5;font-weight:600;color:var(--text);
}
.article-body h4{margin:1.5em 0 .5em;font-size:17px;font-weight:600;color:var(--text)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(47,227,176,.35)}
.article-body a:hover{color:#6FF3CB;border-bottom-color:#6FF3CB}
.article-body strong{color:#fff;font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:24px}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--brand);
  background:rgba(47,227,176,.07);
  border-radius:0 12px 12px 0;
  color:#BFD2DF;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--stroke);margin:1.4em 0}
.article-body figcaption{
  font-size:13px;color:var(--dim);text-align:center;margin-top:-.6em;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--stroke);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--stroke);padding:11px 14px;text-align:left}
.article-body thead th{background:rgba(255,255,255,.06);color:var(--text);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body hr{border:0;height:1px;background:var(--stroke);margin:2em 0}

/* ---------- tags + back ---------- */
.article-foot{
  max-width:760px;margin:40px auto 0;padding-top:26px;
  border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:9px}
.tag-label{font-size:13px;color:var(--dim);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12.5px;color:var(--muted);
  border:1px solid var(--stroke);background:rgba(255,255,255,.04);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(47,227,176,.42);background:rgba(47,227,176,.08)}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:104px;display:grid;gap:18px}
.side-card{
  background:rgba(255,255,255,.028);
  border:1px solid var(--stroke);
  border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--card-shadow);
}
.side-title{
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--brand);
  margin-bottom:14px;text-transform:uppercase;
}
.toc-list,.hot-list{list-style:none;display:grid;gap:2px}
.toc-list a,.hot-list a{
  display:block;padding:9px 10px;border-radius:9px;
  font-size:14px;line-height:1.6;color:var(--muted);
}
.toc-list a:hover,.hot-list a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.toc-list a.lvl-3{padding-left:22px;font-size:13px;color:var(--dim)}
.hot-list li+li{border-top:1px solid rgba(120,205,255,.08)}
.side-cta{padding:22px}
.side-cta p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:16px}
.side-cta .btn{width:100%;padding:12px 16px;font-size:14px}
.side-empty{font-size:13.5px;color:var(--dim)}

/* ---------- empty state ---------- */
.empty-card{
  margin:34px auto 0;max-width:600px;min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  text-align:center;padding:44px 28px;
  border:1px dashed rgba(120,205,255,.22);
  border-radius:var(--radius-card);
  background:rgba(255,255,255,.025);
}
.empty-card .empty-icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  border:1px solid var(--stroke);background:rgba(47,227,176,.09);color:var(--brand);
}
.empty-card h2{font-size:20px;font-weight:700}
.empty-card p{color:var(--muted);font-size:14.5px;max-width:380px}

/* ---------- related ---------- */
.related{margin-top:76px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.section-head .eyebrow{
  display:block;font-size:12px;letter-spacing:.2em;color:var(--brand);
  font-weight:600;margin-bottom:8px;text-transform:uppercase;
}
.link-more{font-size:14px;font-weight:600;color:var(--muted)}
.link-more:hover{color:var(--brand)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:rgba(255,255,255,.035);
  border:1px solid var(--stroke);border-radius:var(--radius-card);
  box-shadow:var(--card-shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(47,227,176,.42);box-shadow:var(--glow)}
.rel-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-1)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{
  font-size:17px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:13.5px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--dim)}
.rel-meta .num{font-family:var(--font-num);font-size:14px;letter-spacing:.04em}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--stroke);
  background:var(--bg-1);
  padding:66px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);max-width:340px}
.footer-col h5{
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--text);
  margin-bottom:16px;text-transform:uppercase;
}
.footer-col ul{list-style:none;display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:var(--muted)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--dim);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-shell{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-side .side-cta{grid-column:1/-1}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .header-inner{height:70px;gap:16px}
  .nav-links,.nav-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-primary{padding:10px 18px;font-size:14px}
  .drawer{top:70px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .page-body{padding:22px 0 64px}
  .crumb-bar{padding:20px 0 0}
  .article-body{font-size:16px;line-height:1.9}
  .article-title{-webkit-line-clamp:3;font-size:clamp(24px,6vw,32px)}
  .article-side{grid-template-columns:minmax(0,1fr)}
  .rel-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:6px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .related{margin-top:56px}
}
@media (max-width:520px){
  .nav-actions .btn-primary{display:none}
  .breadcrumb{font-size:12px}
  .article-meta{gap:8px 16px;font-size:12.5px}
  .badge{font-size:11.5px;padding:4px 11px}
  .side-card{padding:16px}
  .empty-card{padding:32px 18px}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A121B;
  --panel:rgba(255,255,255,0.045);
  --stroke:rgba(120,205,255,0.14);
  --brand:#2FE3B0;
  --brand-2:#3A9BFF;
  --accent:#FFB443;
  --live:#FF4D5E;
  --text:#E9F2F8;
  --muted:#93A7B8;
  --dim:#64798C;
  --grad-main:linear-gradient(135deg,#2FE3B0 0%,#3A9BFF 100%);
  --glow:0 0 0 1px rgba(47,227,176,.32), 0 14px 42px -14px rgba(47,227,176,.55);
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --font-num:'Rajdhani','Barlow Condensed','Noto Sans SC',system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:none}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}

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

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--stroke);
}
.nav-inner{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-main);
  display:grid;place-items:center;
  box-shadow:0 10px 26px -12px rgba(47,227,176,.85);
  flex-shrink:0;
}
.brand-mark svg{width:24px;height:24px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.01em}
.brand-sub{font-size:9px;letter-spacing:.22em;color:var(--dim);margin-top:4px;font-family:var(--font-num)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.045)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-main);
}
.nav-actions{display:flex;align-items:center;gap:12px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,filter .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--grad-main);color:#04140F;
  border-radius:999px;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;border-color:var(--stroke);color:var(--text);
}
.btn-ghost:hover{
  border-color:rgba(47,227,176,.45);
  color:var(--brand);
  background:rgba(47,227,176,.06);
}
.btn-ghost:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.btn-block{width:100%}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(255,255,255,.03);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;margin-left:auto;flex-shrink:0;
}
.nav-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s ease,opacity .22s 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)}

.mobile-panel{
  display:none;position:fixed;left:0;right:0;top:76px;bottom:0;
  background:rgba(5,8,15,.98);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  padding:26px 18px 40px;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
  z-index:55;overflow-y:auto;
}
.mobile-panel.open{opacity:1;transform:none;pointer-events:auto}
.mobile-panel a.m-link{
  display:block;font-size:20px;font-weight:600;color:var(--text);
  padding:16px 4px;border-bottom:1px solid var(--stroke);
}
.mobile-panel a.m-link.active{color:var(--brand)}
.mobile-panel .m-actions{display:grid;gap:12px;margin-top:26px}

/* ============ 面包屑 ============ */
.crumb-row{padding-top:32px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--dim);
}
.breadcrumb a{color:var(--dim);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(100,121,140,.6)}
.breadcrumb .current{color:var(--muted)}

/* ============ Hero ============ */
.page-hero{
  position:relative;background:var(--bg-0);
  padding:26px 0 78px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 380px at 12% 8%,rgba(47,227,176,.18),transparent 68%),
             radial-gradient(520px 360px at 88% 26%,rgba(58,155,255,.14),transparent 70%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,205,255,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,205,255,.5) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.04;pointer-events:none;
  -webkit-mask-image:radial-gradient(circle at 70% 30%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 70% 30%,#000,transparent 76%);
}
.page-hero .container{position:relative;z-index:1}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:52px;align-items:center;margin-top:34px;
}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;
  letter-spacing:.18em;color:var(--brand);margin-bottom:12px;
}
h1{
  font-size:clamp(32px,4.6vw,56px);
  line-height:1.15;font-weight:700;
  letter-spacing:-.01em;
}
h1 .hl{
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{
  margin-top:18px;font-size:clamp(17px,1.6vw,20px);
  font-weight:500;color:var(--text);
}
.hero-desc{
  margin-top:14px;max-width:560px;
  font-size:15.5px;line-height:1.9;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:36px;
  margin-top:38px;padding-top:26px;border-top:1px solid var(--stroke);
}
.hero-metrics li{display:flex;flex-direction:column;gap:2px}
.hero-metrics strong{
  font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1.1;
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-metrics span{font-size:12px;color:var(--muted);letter-spacing:.04em}

.hero-media{position:relative}
.media-card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:20px;
  padding:12px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 30px 70px -40px rgba(0,0,0,.9);
}
.media-card::after{
  content:"";position:absolute;inset:12px;border-radius:var(--r-img);
  box-shadow:inset 0 0 0 1px rgba(120,205,255,.1);
  pointer-events:none;
}
.media-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);
}
.media-badge{
  position:absolute;top:-14px;right:18px;
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:999px;
  font-size:12px;font-weight:600;color:#FFD9DE;
  background:rgba(255,77,94,.16);
  border:1px solid rgba(255,77,94,.4);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.media-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--live);box-shadow:0 0 10px rgba(255,77,94,.9);
}

/* ============ 分类 pill ============ */
.pill-nav{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:44px;
}
.pill{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;color:var(--muted);
  background:rgba(255,255,255,.02);
  border:1px solid var(--stroke);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.pill:hover{color:var(--text);border-color:rgba(47,227,176,.42)}
.pill.active{
  color:var(--brand);font-weight:600;
  background:rgba(47,227,176,.12);
  border-color:rgba(47,227,176,.45);
}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-alt{background:var(--bg-1)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(26px,3vw,36px);line-height:1.25;font-weight:700;
}
.section-head p.section-note{
  margin-top:10px;font-size:15px;color:var(--muted);max-width:620px;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  transition:gap .18s ease,color .18s ease;
}
.text-link:hover{gap:10px;color:#6CF0CC}

/* ============ 条目列表 ============ */
.entry-list{display:grid;gap:24px}
.entry{
  display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:center;
  padding:20px;
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--r-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.entry:hover{
  transform:translateY(-4px);
  border-color:rgba(47,227,176,.4);
  box-shadow:var(--glow);
}
.entry-media{
  display:block;position:relative;
  aspect-ratio:4/3;border-radius:var(--r-img);
  overflow:hidden;background:#0b1520;
}
.entry-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.entry:hover .entry-media img{transform:scale(1.03)}
.entry-body{min-width:0}
.entry-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-bottom:12px;
}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(58,155,255,.12);
  border:1px solid rgba(58,155,255,.3);
  color:#9CCBFF;
}
.badge-live{
  background:rgba(255,77,94,.12);
  border-color:rgba(255,77,94,.32);
  color:#FF8E99;
}
.entry-time{
  font-family:var(--font-num);font-size:14px;font-weight:600;
  color:var(--dim);letter-spacing:.05em;
}
.entry-body h3{
  font-size:clamp(18px,1.6vw,21px);line-height:1.45;font-weight:600;
}
.entry-body h3 a{transition:color .18s ease}
.entry-body h3 a:hover{color:var(--brand)}
.entry-body p{
  margin-top:10px;font-size:15px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:14px;font-weight:600;color:var(--brand);
  transition:gap .18s ease;
}
.entry-link:hover{gap:10px}

/* ============ 查阅步骤 ============ */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.step{
  position:relative;
  padding:30px 26px 28px;
  border-radius:var(--r-card);
  background:var(--panel);
  border:1px solid var(--stroke);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(47,227,176,.36)}
.step-num{
  font-family:var(--font-num);font-size:40px;font-weight:700;line-height:1;
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.step h3{margin-top:14px;font-size:20px;font-weight:600}
.step p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-intro h2{font-size:clamp(26px,3vw,36px);line-height:1.25;font-weight:700}
.faq-intro p{margin-top:14px;font-size:15px;line-height:1.9;color:var(--muted)}
.faq-list{border-top:1px solid var(--stroke)}
.faq-item{border-bottom:1px solid var(--stroke);transition:background .2s ease}
.faq-item[open]{background:rgba(255,255,255,.03)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 6px;font-size:16px;font-weight:600;color:var(--text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::before{
  content:"";position:absolute;left:-14px;top:19px;bottom:19px;width:3px;
  border-radius:3px;background:var(--grad-main);opacity:0;
  transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"+";font-family:var(--font-num);font-size:22px;line-height:1;
  color:var(--brand);flex-shrink:0;transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-answer{padding:0 6px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ CTA ============ */
.cta-band{padding:88px 0 96px;background:var(--bg-1)}
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center;
  padding:46px;
  border-radius:24px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--stroke);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-card::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(47,227,176,.18),transparent 68%);
  pointer-events:none;
}
.cta-card h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;position:relative}
.cta-card p.cta-desc{margin-top:14px;font-size:15px;line-height:1.9;color:var(--muted);max-width:520px;position:relative}
.cta-points{margin-top:22px;display:grid;gap:12px;position:relative}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--muted);
}
.cta-points li i{
  flex-shrink:0;margin-top:7px;width:6px;height:6px;border-radius:2px;
  background:var(--grad-main);display:block;
}
.cta-actions{display:grid;gap:14px;position:relative}
.cta-hint{font-size:12.5px;color:var(--dim);text-align:center;line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--stroke);
  background:var(--bg-0);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .brand{display:inline-flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand p{
  font-size:14px;line-height:1.85;color:var(--muted);max-width:340px;
}
.footer-col h5{
  font-size:14px;font-weight:600;color:var(--text);
  letter-spacing:.06em;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:color .18s ease}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:var(--muted)}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--dim);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-inner{gap:18px}
  .nav-links a{padding:10px 10px;font-size:14px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{max-width:640px}
  .entry{grid-template-columns:260px 1fr;gap:22px}
  .steps{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:768px){
  .container{padding:0 18px}
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-panel{display:block}
  .section{padding:58px 0}
  .page-hero{padding:20px 0 56px}
  .hero-grid{margin-top:26px}
  .hero-metrics{gap:26px}
  .entry{grid-template-columns:1fr;gap:18px;padding:16px;align-items:start}
  .entry-media{aspect-ratio:16/10}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:58px 0 64px}
  .cta-card{padding:28px;border-radius:20px}
  .section-head{margin-bottom:26px}
  .faq-item summary{padding:18px 4px;font-size:15.5px}
  .site-footer{padding:48px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (max-width:520px){
  .brand-name{font-size:14px}
  .brand-sub{letter-spacing:.16em}
  .hero-actions .btn{width:100%}
  .hero-metrics{gap:20px 28px}
  .hero-metrics strong{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .media-badge{right:12px;font-size:11px;height:26px;padding:0 11px}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A121B;
  --panel:rgba(255,255,255,.045);
  --stroke:rgba(120,205,255,.14);
  --stroke-strong:rgba(120,205,255,.28);
  --brand:#2FE3B0;
  --brand-2:#3A9BFF;
  --accent:#FFB443;
  --live:#FF4D5E;
  --text:#E9F2F8;
  --muted:#93A7B8;
  --dim:#64798C;
  --grad-main:linear-gradient(135deg,#2FE3B0 0%,#3A9BFF 100%);
  --glow:0 0 0 1px rgba(47,227,176,.32),0 14px 42px -14px rgba(47,227,176,.55);
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --card-inner:inset 0 1px 0 rgba(255,255,255,.05);
  --nav-h:76px;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Rajdhani","Oswald","Arial Narrow",var(--font-sans);
}
*,*::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);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
::selection{background:rgba(47,227,176,.28);color:#04140F}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.02em;font-variant-numeric:tabular-nums}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--stroke);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-main);
  display:grid;place-items:center;
  box-shadow:0 10px 24px -12px rgba(47,227,176,.75);
  transition:transform .2s ease,box-shadow .2s ease;
}
.brand-mark svg{width:23px;height:23px}
.brand:hover .brand-mark{transform:translateY(-1px);box-shadow:0 14px 30px -12px rgba(47,227,176,.9)}
.brand-name{display:block;font-size:16px;font-weight:700;line-height:1.25;letter-spacing:.02em}
.brand-sub{display:block;font-size:10px;letter-spacing:.2em;color:var(--dim);font-family:var(--font-num);line-height:1.4}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;
  font-size:15px;color:var(--muted);
  padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--grad-main);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}

/* ---------- 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;line-height:1;
  padding:14px 22px;
  transition:filter .18s ease,transform .14s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-primary{
  background:var(--grad-main);
  color:#04140F;
  border-radius:999px;
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border:1px solid var(--stroke-strong);
  color:var(--text);
  border-radius:999px;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(47,227,176,.07)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;filter:none;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.link-arrow:hover{gap:10px;color:#7CF3D2}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--stroke-strong);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s ease,top .22s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--stroke);
  background:rgba(5,8,15,.97);
  padding:18px 24px 26px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a.drawer-link{
  display:block;font-size:19px;padding:14px 0;color:var(--muted);
  border-bottom:1px solid rgba(120,205,255,.09);
}
.mobile-drawer a.drawer-link.is-current{color:var(--brand)}
.mobile-drawer .drawer-cta{margin-top:18px;display:grid;gap:10px}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:64px 0 60px;
  background:
    radial-gradient(720px 360px at 88% -10%,rgba(47,227,176,.16),transparent 62%),
    radial-gradient(560px 320px at 4% 6%,rgba(58,155,255,.13),transparent 66%),
    var(--bg-1);
  border-bottom:1px solid rgba(120,205,255,.08);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,205,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(120,205,255,.5) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.04;pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dim);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--dim)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(100,121,140,.6)}
.breadcrumb .current{color:var(--muted)}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--brand);
  padding:6px 12px;border-radius:999px;
  background:rgba(47,227,176,.09);
  border:1px solid rgba(47,227,176,.28);
  margin-bottom:20px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(47,227,176,.16)}
h1{
  font-size:clamp(32px,4.6vw,52px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
h1 .hl{
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.hero-lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:34px}
.hero-metrics .item .val{font-size:28px;line-height:1.1;color:var(--text)}
.hero-metrics .item .val em{font-style:normal;font-size:15px;color:var(--muted);margin-left:3px}
.hero-metrics .item .lab{font-size:12px;color:var(--dim);margin-top:4px;letter-spacing:.04em}
.hero-figure{position:relative}
.hero-figure .frame{
  position:relative;
  border-radius:var(--radius-card);
  border:1px solid var(--stroke);
  background:var(--panel);
  box-shadow:var(--card-inner),0 30px 70px -40px rgba(0,0,0,.9);
  padding:12px;
  transform:rotate(-1.4deg);
}
.hero-figure .frame::after{
  content:"";position:absolute;inset:12px;border-radius:var(--radius-img);
  background:linear-gradient(180deg,transparent 40%,rgba(5,8,15,.72) 100%);
  pointer-events:none;
}
.hero-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);
}
.hero-badge{
  position:absolute;left:-14px;bottom:26px;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:rgba(10,18,27,.92);
  border:1px solid rgba(255,180,67,.4);
  backdrop-filter:blur(10px);
  font-size:12px;color:var(--accent);
  box-shadow:0 16px 34px -18px rgba(0,0,0,.9);
}
.hero-badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,180,67,.5)}70%{box-shadow:0 0 0 8px rgba(255,180,67,0)}100%{box-shadow:0 0 0 0 rgba(255,180,67,0)}}

/* ---------- 分类 pill ---------- */
.pill-bar{padding:26px 0 0}
.pill-nav{display:flex;flex-wrap:wrap;gap:10px}
.pill-nav a{
  font-size:14px;padding:9px 18px;border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  transition:all .18s ease;
}
.pill-nav a:hover{color:var(--brand);border-color:rgba(47,227,176,.45);background:rgba(47,227,176,.07)}
.pill-nav a.is-current{
  color:#04140F;font-weight:700;
  background:var(--grad-main);
  border-color:transparent;
  box-shadow:0 10px 26px -14px rgba(47,227,176,.85);
}

/* ---------- 通用板块 ---------- */
section{padding:96px 0}
.section-alt{background:var(--bg-1)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-kicker{
  font-size:12px;letter-spacing:.22em;color:var(--brand);
  display:block;margin-bottom:10px;
}
h2{font-size:clamp(26px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{color:var(--muted);font-size:15px;max-width:520px;margin-top:10px}
h3{font-size:20px;line-height:1.4;font-weight:600}

/* ---------- 数据小条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--stroke);
  border-radius:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(10px);
  box-shadow:var(--card-inner);
  overflow:hidden;
}
.stat-strip .cell{padding:26px 22px;border-left:1px solid rgba(120,205,255,.12)}
.stat-strip .cell:first-child{border-left:0}
.stat-strip .val{
  font-size:clamp(32px,3.4vw,44px);line-height:1.05;
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-strip .val em{font-style:normal;font-size:16px;color:var(--muted);-webkit-text-fill-color:var(--muted);margin-left:4px}
.stat-strip .lab{font-size:13px;color:var(--muted);margin-top:8px}

/* ---------- 实时状态条 ---------- */
.live-bar{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  margin-top:22px;padding:16px 24px;
  border:1px solid rgba(255,77,94,.28);
  border-radius:14px;
  background:rgba(255,77,94,.06);
}
.live-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.1em;color:#FFD9DD;
  background:rgba(255,77,94,.18);
  border:1px solid rgba(255,77,94,.4);
  padding:5px 12px;border-radius:999px;
}
.live-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--live);animation:pulse 1.6s infinite}
.live-text{font-size:14px;color:var(--muted)}
.countdown{display:flex;align-items:center;gap:8px;margin-left:auto}
.countdown .blk{
  min-width:48px;text-align:center;
  padding:6px 8px;border-radius:10px;
  background:rgba(5,8,15,.7);
  border:1px solid var(--stroke);
}
.countdown .blk b{display:block;font-size:22px;line-height:1.1;color:var(--text);font-family:var(--font-num);font-weight:600}
.countdown .blk span{font-size:11px;color:var(--dim);letter-spacing:.08em}
.countdown .colon{color:var(--dim);font-family:var(--font-num);font-size:20px}

/* ---------- 数据卡栅格 ---------- */
.data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.data-card{
  display:flex;flex-direction:column;
  background:rgba(255,255,255,.035);
  border:1px solid var(--stroke);
  border-radius:var(--radius-card);
  box-shadow:var(--card-inner);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.data-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--glow)}
.data-card .thumb{position:relative;overflow:hidden;background:#0B1520}
.data-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .38s ease}
.data-card:hover .thumb img{transform:scale(1.03)}
.data-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(5,8,15,.66) 100%);
}
.data-card .badge{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(58,155,255,.18);
  border:1px solid rgba(58,155,255,.45);
  color:#A9D6FF;
  backdrop-filter:blur(6px);
}
.data-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.data-card h3{margin-bottom:10px}
.data-card p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.data-card .meta{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-top:auto;padding-top:16px;border-top:1px solid rgba(120,205,255,.1);
  font-size:12.5px;color:var(--dim);
}
.data-card .meta .tags{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  font-size:12px;padding:3px 10px;border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--muted);
}
.chip-accent{color:var(--accent);border-color:rgba(255,180,67,.35);background:rgba(255,180,67,.08)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  position:relative;
  padding:28px 24px;
  border:1px solid var(--stroke);
  border-radius:var(--radius-card);
  background:rgba(255,255,255,.03);
  box-shadow:var(--card-inner);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(47,227,176,.4);box-shadow:var(--glow)}
.step-card .idx{
  display:inline-block;
  font-family:var(--font-num);font-size:14px;letter-spacing:.16em;
  color:var(--brand);margin-bottom:14px;
}
.step-card h3{font-size:18px;margin-bottom:10px}
.step-card p{font-size:14.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{
  border:1px solid var(--stroke);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:rgba(255,255,255,.025);
}
.faq-item{border-bottom:1px solid rgba(120,205,255,.12)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;
  font-size:16px;font-weight:600;
  transition:background-color .2s ease,color .2s ease;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad-main);
  transform:scaleY(0);transform-origin:top;transition:transform .24s ease;
}
.faq-item summary:hover{background:rgba(255,255,255,.035)}
.faq-item summary .sign{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--stroke-strong);
  display:grid;place-items:center;
  color:var(--brand);font-size:16px;line-height:1;
  transition:transform .24s ease,background-color .2s ease;
}
.faq-item[open] summary{background:rgba(255,255,255,.05);color:var(--text)}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item[open] summary .sign{transform:rotate(45deg);background:rgba(47,227,176,.12)}
.faq-item .answer{padding:0 24px 24px;font-size:15px;color:var(--muted);line-height:1.85;max-width:860px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border:1px solid var(--stroke);
  border-radius:22px;
  padding:44px;
  background:
    radial-gradient(520px 260px at 92% 0%,rgba(47,227,176,.16),transparent 62%),
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  overflow:hidden;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:10px}
.cta-band p{color:var(--muted);font-size:15px;max-width:620px}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--stroke);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:360px;line-height:1.85}
.footer-col h5{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:11px}
.footer-col ul li{font-size:14px;color:var(--muted)}
.footer-col ul li a{position:relative}
.footer-col ul li a:hover{color:var(--brand)}
.footer-contact li{color:var(--muted);font-size:14px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(120,205,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 24px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure{order:2}
  .hero-lead{max-width:none}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-strip .cell{border-left:1px solid rgba(120,205,255,.12);border-top:1px solid rgba(120,205,255,.12)}
  .stat-strip .cell:nth-child(1),.stat-strip .cell:nth-child(2){border-top:0}
  .stat-strip .cell:nth-child(odd){border-left:0}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:768px){
  .container{padding:0 18px}
  section{padding:56px 0}
  .page-hero{padding:44px 0 48px}
  .data-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .live-bar{padding:14px 16px;gap:14px}
  .countdown{margin-left:0;width:100%}
  .countdown .blk{flex:1}
  .hero-metrics{gap:22px}
  .hero-metrics .item .val{font-size:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  h1{font-size:30px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .stat-strip .cell{border-left:0;border-top:1px solid rgba(120,205,255,.12)}
  .stat-strip .cell:first-child{border-top:0}
  .footer-grid{grid-template-columns:1fr}
  .brand-name{font-size:15px}
  .faq-item summary{font-size:15px;padding:18px 16px}
  .faq-item .answer{padding:0 16px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}