/* roulang page: index */
:root{
  --bg:#070C18;
  --bg-deep:#050912;
  --panel:#101A2B;
  --glass:rgba(255,255,255,.04);
  --glass-strong:rgba(16,26,43,.74);
  --line:rgba(255,255,255,.08);
  --line-dash:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.16);
  --text:#E6EDF7;
  --muted:#9FB0C7;
  --dim:#64748B;
  --accent:#FF5A1F;
  --accent-2:#FFB020;
  --teal:#2EE6A8;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --shadow-card:0 24px 48px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(255,90,31,.35),0 8px 28px rgba(255,90,31,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  background:
    radial-gradient(900px 620px at 88% -12%, rgba(255,90,31,.10), transparent 62%),
    radial-gradient(760px 520px at 2% 8%, rgba(46,230,168,.06), transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:6px}
.num,.stat b,.kbd{font-variant-numeric:tabular-nums}
[id]{scroll-margin-top:88px}
@media (max-width:767px){body{padding-bottom:72px}}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:639px){.container-x{padding:0 20px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;height:64px;
  background:rgba(7,12,24,.55);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
}
@media (min-width:1024px){.site-header{height:72px}}
.site-header.scrolled{
  background:rgba(5,9,18,.90);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.brand-mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;flex:none;
  font-size:12.5px;font-weight:800;letter-spacing:-.02em;color:#15100A;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 0 0 1px rgba(255,90,31,.35),0 8px 22px rgba(255,90,31,.28);
}
.brand-text{font-size:17px;font-weight:700;line-height:1.2;white-space:nowrap}
@media (max-width:420px){.brand-text{font-size:15px}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.045)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
}

/* 命令式搜索 */
.cmd-search{position:relative;width:262px}
.cmd-input-wrap{position:relative;display:flex;align-items:center}
.cmd-search svg.mag{position:absolute;left:13px;color:var(--dim);pointer-events:none}
.cmd-input{
  width:100%;height:38px;border-radius:999px;padding:0 46px 0 38px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cmd-input::placeholder{color:var(--dim)}
.cmd-input:focus{border-color:rgba(255,90,31,.65);box-shadow:0 0 0 4px rgba(255,90,31,.14);background:rgba(255,255,255,.06)}
.kbd{
  position:absolute;right:9px;top:50%;transform:translateY(-50%);
  font-size:11px;color:var(--dim);border:1px solid var(--line);
  padding:1px 6px;border-radius:6px;background:rgba(255,255,255,.03);
}
.cmd-panel{
  position:absolute;top:46px;left:0;right:0;z-index:60;
  padding:14px;border-radius:14px;
  background:rgba(16,26,43,.94);border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 24px 48px rgba(0,0,0,.45);
  display:none;
}
.cmd-search.open .cmd-panel{display:block}
.cmd-panel .tip{margin:10px 0 0;font-size:12px;color:var(--dim)}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}

.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.04);
  border:1px solid var(--line);transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.pill:hover{color:var(--text);border-color:rgba(255,90,31,.5);background:rgba(255,90,31,.08)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;color:#FFCF95;background:rgba(255,90,31,.10);
  border:1px solid rgba(255,90,31,.28);
}
.badge-mint{color:#9BF3D4;background:rgba(46,230,168,.10);border-color:rgba(46,230,168,.28)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#15100A;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,90,31,.45),0 12px 32px rgba(255,90,31,.36)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:rgba(255,255,255,.03);border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{border-color:rgba(255,90,31,.55);transform:translateY(-2px);background:rgba(255,90,31,.06)}
.btn-ghost:active{transform:scale(.98)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;
  color:var(--accent-2);font-weight:600;font-size:15px;
}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(2px)}
.link-quick{color:var(--muted);font-size:14.5px;padding:0 4px;transition:color .2s var(--ease)}
.link-quick:hover{color:var(--accent-2)}
.icon-btn{
  width:42px;height:42px;display:grid;place-items:center;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:rgba(255,90,31,.5);background:rgba(255,90,31,.08)}

/* ============ 卡片 ============ */
.glass{
  position:relative;background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.glass::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.card-hover{transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.card-hover:hover{transform:translateY(-2px);border-color:rgba(255,90,31,.35);box-shadow:0 28px 56px rgba(0,0,0,.45)}
.thumb{position:relative;overflow:hidden;border-radius:12px;background:rgba(255,255,255,.03)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card-hover:hover .thumb img,.thumb:hover img{transform:scale(1.04)}
.ratio-16x9{aspect-ratio:16/9}
.ratio-4x3{aspect-ratio:4/3}

.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 区块 ============ */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:96px 0}}
@media (min-width:1024px){.section{padding:110px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;letter-spacing:.16em;color:var(--accent-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:1px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.section-title{font-size:26px;line-height:1.28;font-weight:700;margin:12px 0 0;letter-spacing:0}
@media (min-width:768px){.section-title{font-size:34px}}
.section-desc{color:var(--muted);font-size:15px;line-height:1.8;max-width:660px;margin:14px 0 0}
.h3-card{font-size:20px;font-weight:600;line-height:1.45;margin:0}
.sub-line{color:var(--muted);font-size:14.5px;line-height:1.75}
.dash-divider{height:1px;background:repeating-linear-gradient(90deg,var(--line-dash) 0 8px,transparent 8px 16px);border:0;margin:0}

/* ============ Hero ============ */
.hero{position:relative;display:flex;align-items:center;overflow:hidden;padding:64px 0 56px;min-height:78vh}
@media (min-width:1024px){.hero{height:88vh;min-height:660px;padding:100px 0 76px}}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;transform:scale(1.03)}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,24,.80) 0%,rgba(7,12,24,.88) 48%,#070C18 100%),
    linear-gradient(90deg,rgba(7,12,24,.94) 0%,rgba(7,12,24,.42) 70%);
}
.hero-inner{position:relative;z-index:2;width:100%}
.hero h1{
  font-size:clamp(28px,4.6vw,52px);line-height:1.15;font-weight:800;
  margin:18px 0 0;letter-spacing:0;
}
.hero-sub{color:#C7D5E8;font-size:16.5px;line-height:1.8;margin:18px 0 0;max-width:600px}
@media (min-width:768px){.hero-sub{font-size:17.5px}}
.hero-points{display:grid;gap:10px;margin:26px 0 0;padding:0;list-style:none}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#C7D5E8;line-height:1.7}
.hero-points svg{flex:none;margin-top:5px;color:var(--teal)}

.panel{padding:22px;border-radius:var(--r-lg)}
@media (min-width:768px){.panel{padding:26px}}
.status-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed var(--line-dash);
}
.status-row:last-of-type{border-bottom:0}
.status-row span.k{color:var(--muted);font-size:14px}
.status-row span.v{font-size:14.5px;font-weight:600;color:var(--text);text-align:right}
.dot{width:8px;height:8px;border-radius:999px;background:var(--teal);display:inline-block;box-shadow:0 0 0 4px rgba(46,230,168,.14)}

/* ============ 数据带 ============ */
.stat-band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);
}
@media (max-width:767px){.stat-band{grid-template-columns:repeat(2,1fr)}}
.stat{padding:26px 20px;border-right:1px dashed var(--line-dash)}
.stat:last-child{border-right:0}
@media (max-width:767px){
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px dashed var(--line-dash)}
}
.stat b{display:block;font-size:34px;line-height:1;font-weight:800;color:var(--accent-2);letter-spacing:-.02em}
@media (min-width:768px){.stat b{font-size:38px}}
.stat span{display:block;margin-top:10px;color:var(--muted);font-size:13.5px;line-height:1.6}

/* ============ 设备框 ============ */
.device{
  border-radius:var(--r-card);border:1px solid var(--line);overflow:hidden;
  background:linear-gradient(180deg,rgba(16,26,43,.92),rgba(7,12,24,.92));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.03),0 30px 60px rgba(0,0,0,.5);
}
.device-bar{
  display:flex;align-items:center;gap:6px;padding:12px 16px;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.03);
}
.device-bar i{width:9px;height:9px;border-radius:999px;background:rgba(255,255,255,.18)}
.device-bar em{margin-left:auto;font-style:normal;font-size:12px;color:var(--dim);letter-spacing:.04em}
.device-body{padding:18px;display:grid;gap:12px}
@media (min-width:768px){.device-body{padding:22px}}
.mock-row{
  min-height:46px;border-radius:12px;border:1px dashed var(--line-dash);
  background:rgba(255,255,255,.02);display:flex;align-items:center;gap:12px;
  padding:0 14px;font-size:13px;color:var(--muted);
}
.mock-row .bar{flex:1;height:6px;border-radius:999px;background:linear-gradient(90deg,rgba(255,90,31,.55),rgba(255,176,32,.18))}
.mock-row .bar.short{flex:0 0 42%}
.mock-row strong{color:var(--text);font-weight:600;font-size:13.5px}

/* ============ 资讯卡 ============ */
.news-lead{display:block;border-radius:var(--r-card)}
.news-lead .inner{padding:18px}
.news-mini{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--r-card);
}
.news-mini .idx{
  flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:12.5px;font-weight:700;color:var(--accent-2);
  background:rgba(255,90,31,.10);border:1px solid rgba(255,90,31,.25);
}
.news-meta{display:flex;align-items:center;gap:8px;color:var(--dim);font-size:12.5px;margin-top:10px}
.news-title{font-size:17px;font-weight:600;line-height:1.5;margin:0}
.empty-state{padding:44px 24px;text-align:center;display:grid;gap:12px;justify-items:center}
.empty-state svg{color:var(--dim)}
.empty-state p{margin:0;color:var(--muted);font-size:15px}

/* ============ 价格 ============ */
.price-grid{display:grid;gap:20px;grid-template-columns:1fr;align-items:start}
@media (min-width:900px){.price-grid{grid-template-columns:repeat(3,1fr)}}
.price-card{padding:26px;border-radius:var(--r-card);display:flex;flex-direction:column;gap:0}
.price-card.featured{
  transform:translateY(-10px);
  border-color:rgba(255,90,31,.55);
  box-shadow:0 0 0 1px rgba(255,90,31,.35),0 20px 44px rgba(255,90,31,.22);
}
@media (max-width:899px){.price-card.featured{transform:none}}
.price-tag{font-size:26px;font-weight:800;color:var(--accent-2);letter-spacing:-.01em;margin:14px 0 4px}
.price-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted);line-height:1.7}
.price-list svg{flex:none;margin-top:5px;color:var(--teal)}

/* ============ FAQ ============ */
.faq{max-width:760px;margin:0 auto}
.faq-item{position:relative;border-bottom:1px dashed var(--line-dash)}
.faq-item::before{
  content:"";position:absolute;left:-14px;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:14px 0;background:none;border:0;color:var(--text);
  font-size:16.5px;font-weight:600;text-align:left;cursor:pointer;line-height:1.6;
}
.faq-q svg{flex:none;color:var(--accent-2);transition:transform .25s var(--ease)}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s var(--ease)}
.faq-a p{margin:0 0 20px;color:var(--muted);font-size:14.5px;line-height:1.85}

/* ============ CTA 带 ============ */
.cta-band{
  display:flex;flex-direction:column;gap:18px;align-items:flex-start;
  padding:26px;border-radius:var(--r-lg);
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 34px}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
@media (min-width:768px){.site-footer{padding:68px 0 26px}}
.footer-title{font-size:13px;letter-spacing:.14em;color:var(--dim);text-transform:uppercase;margin:0 0 14px}
.footer-link{color:var(--muted);font-size:14px;display:inline-block;padding:5px 0;transition:color .2s var(--ease)}
.footer-link:hover{color:var(--accent-2)}
.footer-note{color:var(--dim);font-size:12px;line-height:1.8}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:10px;align-items:flex-start;justify-content:space-between;
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center}}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#15100A;
  font-weight:700;font-size:15px;box-shadow:var(--glow);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-cta.show{opacity:1;transform:none;pointer-events:auto}
.float-cta .dot{background:#1B1409;box-shadow:none;width:7px;height:7px}
@media (max-width:767px){
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:center;
    padding:0 16px calc(env(safe-area-inset-bottom,0px) + 0px);
  }
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:70;display:none;flex-direction:column;
  padding:20px;background:rgba(5,9,18,.97);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  overflow-y:auto;
}
.drawer.open{display:flex}
.drawer .nav-link{display:flex;min-height:44px;font-size:17px;color:var(--text);padding:10px 12px}
body.no-scroll{overflow:hidden}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#070C18;
  --bg-deep:#050912;
  --panel:#101A2B;
  --panel-soft:rgba(255,255,255,.04);
  --panel-solid:#0D1524;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#E6EDF7;
  --text-2:#9FB0C7;
  --text-3:#64748B;
  --accent:#FF5A1F;
  --accent-2:#FFB020;
  --mint:#2EE6A8;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --shadow-card:0 24px 48px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(255,90,31,.35), 0 8px 28px rgba(255,90,31,.30);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit;background:none;border:0;outline:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

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

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,12,24,.62);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{
  background:rgba(5,9,18,.92);
  border-bottom-color:var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.header-inner{display:flex;align-items:center;gap:18px;height:64px}
@media(min-width:1024px){.header-inner{height:72px}}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;letter-spacing:.5px;color:#151006;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 0 0 1px rgba(255,90,31,.35),0 8px 22px rgba(255,90,31,.28);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap}
@media(min-width:1024px){.brand-text{font-size:18px}}

.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 14px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--accent-2)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
}

.search-wrap{position:relative}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;width:242px;
  padding:0 10px 0 12px;border-radius:999px;
  background:var(--panel-soft);border:1px solid var(--line);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box:focus-within{
  border-color:rgba(255,90,31,.65);
  box-shadow:0 0 0 3px rgba(255,90,31,.16);
  background:rgba(255,255,255,.06);
}
.search-box svg{width:18px;height:18px;flex-shrink:0;stroke:var(--text-3)}
.search-box input{flex:1;min-width:0;font-size:13.5px;color:var(--text)}
.search-box input::placeholder{color:var(--text-3)}
.kbd{
  font-size:11px;color:var(--text-3);border:1px solid var(--line);
  border-radius:6px;padding:1px 5px;line-height:1.5;flex-shrink:0;
}
.search-panel{
  position:absolute;top:46px;right:0;width:288px;padding:14px;
  border-radius:14px;background:rgba(16,26,43,.96);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.search-wrap.open .search-panel{opacity:1;visibility:visible;transform:translateY(0)}
.s-chip{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;margin:0 6px 6px 0;
  border-radius:999px;font-size:12.5px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.s-chip:hover{color:var(--text);border-color:var(--line-strong)}
.s-hint{font-size:12px;color:var(--text-3);margin-top:4px}

.text-link{
  display:inline-flex;align-items:center;gap:5px;font-size:14px;color:var(--text-2);
}
.text-link:hover{color:var(--accent-2)}
.text-link svg{width:15px;height:15px;transition:transform var(--ease)}
.text-link:hover svg{transform:translateX(2px)}

.icon-btn{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--panel-soft);
}
.icon-btn svg{width:20px;height:20px;stroke:var(--text-2)}
.icon-btn:hover{border-color:var(--line-strong)}

.mobile-drawer{
  position:fixed;inset:0;z-index:60;background:rgba(5,9,18,.97);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:20px;display:flex;flex-direction:column;gap:12px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-link{
  display:flex;align-items:center;height:44px;padding:0 14px;border-radius:12px;
  font-size:16px;color:var(--text-2);border:1px solid transparent;
}
.drawer-link:hover,.drawer-link.active{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line)}
.drawer-link.active{color:var(--accent-2)}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:12px;
  font-size:15px;font-weight:600;color:#1A1004;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--glow);
  transition:filter var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,90,31,.45),0 12px 34px rgba(255,90,31,.36)}
.btn-primary:active{transform:scale(.98)}
.btn-primary svg{width:17px;height:17px;stroke:#1A1004}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--text);
  background:transparent;border:1px solid var(--line-strong);
  transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(255,90,31,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-ghost svg{width:17px;height:17px;stroke:currentColor}

/* ---------- 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);
  background:var(--panel-soft);border:1px solid var(--line);white-space:nowrap;
}
.chip-accent{color:var(--accent-2);border-color:rgba(255,90,31,.35);background:rgba(255,90,31,.10)}
.chip-mint{color:var(--mint);border-color:rgba(46,230,168,.28);background:rgba(46,230,168,.08)}
.dot-sep{color:var(--text-3)}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 42px;
  background-image:linear-gradient(180deg,rgba(7,12,24,.72) 0%,rgba(7,12,24,.90) 62%,var(--bg) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
@media(min-width:1024px){.page-hero{padding:58px 0 54px}}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--accent-2)}
.breadcrumb .current{color:var(--text-3);max-width:420px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-title{
  margin-top:18px;font-size:28px;line-height:1.25;font-weight:800;color:var(--text);
  max-width:900px;
}
@media(min-width:768px){.page-title{font-size:34px}}
@media(min-width:1024px){.page-title{font-size:38px;line-height:1.2}}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13.5px;color:var(--text-2)}

/* ---------- 正文布局 ---------- */
.article-section{padding:52px 0 72px}
@media(min-width:1024px){.article-section{padding:64px 0 96px}}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:40px;
  max-width:1080px;margin:0 auto;
}
@media(min-width:1024px){
  .article-layout.has-toc{grid-template-columns:minmax(0,720px) 240px;justify-content:center}
}
.article-main{min-width:0;max-width:720px;margin:0 auto;width:100%}

.article-body{font-size:16px;line-height:1.8;color:var(--text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:23px;font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:14px;scroll-margin-top:88px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
@media(min-width:768px){.article-body h2{font-size:26px}}
.article-body h3{font-size:19px;font-weight:600;line-height:1.5;margin:28px 0 12px;scroll-margin-top:88px}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px 20px;line-height:1.75}
.article-body ul li{list-style:disc;margin-bottom:8px}
.article-body ol li{list-style:decimal;margin-bottom:8px}
.article-body li::marker{color:var(--accent)}
.article-body img{border-radius:12px;width:100%;height:auto;margin:24px 0 10px}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;background:var(--panel-soft);color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--accent-2);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#FFC65C}
.article-body strong{color:#FFFFFF;font-weight:600}
.article-body code{
  font-size:14px;padding:2px 6px;border-radius:6px;
  background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--accent-2);
}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 目录 ---------- */
.article-aside{display:none}
.article-aside.show{display:block}
@media(min-width:1024px){
  .article-aside.show{position:sticky;top:104px;align-self:start}
}
.toc-card{
  border-radius:var(--r-md);padding:18px 18px 16px;
  background:var(--panel-soft);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.toc-title{font-size:13px;letter-spacing:.04em;color:var(--text-3);margin-bottom:12px}
.toc-link{
  display:block;font-size:13.5px;line-height:1.6;color:var(--text-2);
  padding:6px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.toc-link.current{color:var(--accent-2);border-left-color:var(--accent);background:rgba(255,90,31,.08)}

/* ---------- 空态 ---------- */
.empty-state{
  border-radius:var(--r-md);padding:48px 28px;text-align:center;
  background:var(--panel-soft);border:1px dashed var(--line-strong);
}
.empty-state svg{width:44px;height:44px;stroke:var(--text-3);margin:0 auto 16px}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--text-2);margin-bottom:20px}

/* ---------- 尾部相关推荐 ---------- */
.tail-block{margin-top:56px;padding-top:36px;border-top:1px solid var(--line)}
.tail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.tail-head h2{font-size:22px;font-weight:700}
.tail-head span{font-size:13.5px;color:var(--text-3)}
.rel-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rel-card{
  display:flex;flex-direction:column;gap:10px;padding:18px;
  border-radius:var(--r-md);background:var(--panel-soft);border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(255,90,31,.4);box-shadow:var(--shadow-card)}
.rel-card h3{font-size:15.5px;font-weight:600;line-height:1.55;color:var(--text)}
.rel-card .rel-meta{font-size:12.5px;color:var(--text-3);margin-top:auto}
.rel-card .rel-go{font-size:13px;color:var(--accent-2)}

.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- CTA 带 ---------- */
.cta-band{padding:0 0 72px}
@media(min-width:1024px){.cta-band{padding:0 0 100px}}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(255,90,31,.14),rgba(255,176,32,.06)),rgba(255,255,255,.04);
  border:1px solid rgba(255,90,31,.28);
  box-shadow:var(--shadow-card);
}
.cta-inner h2{font-size:19px;font-weight:700}
@media(min-width:768px){.cta-inner h2{font-size:22px}}
.cta-inner p{font-size:14px;color:var(--text-2);margin-top:6px;max-width:640px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:45;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;color:#1A1004;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--glow);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .pulse{width:8px;height:8px;border-radius:50%;background:#1A1004;opacity:.7}
.float-cta svg{width:16px;height:16px;stroke:#1A1004}
@media(max-width:767px){
  .float-cta{
    left:0;right:0;bottom:0;width:100%;height:56px;border-radius:0;
    justify-content:center;padding-bottom:env(safe-area-inset-bottom);
  }
  body{padding-bottom:72px}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-deep);border-top:1px solid var(--line);
  padding:52px 0 28px;margin-top:0;
}
.footer-title{font-size:13px;letter-spacing:.04em;color:var(--text-3);margin-bottom:14px;font-weight:600}
.footer-link{display:block;font-size:14px;color:var(--text-2);padding:5px 0}
.footer-link:hover{color:var(--accent-2)}
.sub-line{color:var(--text-2);line-height:1.75}
.footer-note{font-size:12px;color:var(--text-3);line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root{
  --bg:#070C18;
  --bg-deep:#050912;
  --panel:#101A2B;
  --panel-2:rgba(22,32,50,.72);
  --glass:rgba(255,255,255,.04);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --accent:#FF5A1F;
  --accent-2:#FFB020;
  --cyan:#2EE6A8;
  --text:#E6EDF7;
  --muted:#9FB0C7;
  --dim:#64748B;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --shadow-card:0 24px 48px rgba(0,0,0,.35);
  --shadow-soft:0 12px 30px rgba(0,0,0,.28);
  --glow:0 0 0 1px rgba(255,90,31,.35), 0 8px 28px rgba(255,90,31,.30);
  --container:1200px;
}

/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(255,90,31,.10), transparent 62%),
    radial-gradient(760px 460px at 6% 6%, rgba(46,230,168,.06), transparent 62%);
  pointer-events:none;
  z-index:0;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,opacity .2s ease-out,transform .2s ease-out}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ========== 容器 ========== */
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container-x{padding:0 24px}}

/* ========== 头部导航 ========== */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  height:64px;
  background:rgba(7,12,24,.55);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out,backdrop-filter .25s ease-out;
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.36);
}
@media(min-width:1024px){.site-header{height:72px}}
.header-inner{height:100%;display:flex;align-items:center;gap:16px}

.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;letter-spacing:.02em;
  color:#1A0E05;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 0 0 1px rgba(255,90,31,.35),0 6px 18px rgba(255,90,31,.28);
  flex-shrink:0;
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap}
@media(min-width:1024px){.brand-text{font-size:18px}}

.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:10px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--accent-2)}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
}

.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-wrap{position:relative}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:250px;height:38px;
  padding:0 10px 0 12px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.search-box:focus-within{
  border-color:rgba(255,90,31,.7);
  box-shadow:var(--glow);
  background:rgba(255,255,255,.06);
}
.search-box svg{flex-shrink:0;color:var(--dim)}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;color:var(--text);
  font-size:13.5px;outline:none;
}
.search-box input::placeholder{color:var(--dim)}
.kbd{
  flex-shrink:0;
  font-size:11px;color:var(--dim);
  padding:1px 6px;border-radius:6px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.search-panel{
  position:absolute;top:calc(100% + 10px);left:0;
  width:320px;padding:16px;
  border-radius:14px;
  background:rgba(16,26,43,.96);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.search-panel.is-open{opacity:1;visibility:visible;transform:none}
.sp-title{font-size:12px;color:var(--dim);margin-bottom:10px;letter-spacing:.04em}
.sp-tags{display:flex;flex-wrap:wrap;gap:8px}
.sug{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.sug:hover{color:var(--text);border-color:rgba(255,90,31,.55);background:rgba(255,90,31,.10)}
.sp-note{margin-top:12px;font-size:12px;color:var(--dim);line-height:1.6}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  color:#1A0E05;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--glow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
}
.btn-primary:hover{filter:brightness(1.07);box-shadow:0 0 0 1px rgba(255,90,31,.5),0 12px 34px rgba(255,90,31,.38);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  color:var(--text);
  background:transparent;
  border:1px solid var(--line-strong);
  transition:border-color .2s ease-out,background .2s ease-out,transform .2s ease-out;
}
.btn-ghost:hover{border-color:rgba(255,90,31,.65);background:rgba(255,90,31,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}

.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--accent-2);
}
.btn-text svg{transition:transform .2s ease-out}
.btn-text:hover svg{transform:translateX(3px)}
.btn-text:hover{color:#FFCE6A}

.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);color:var(--text);
  transition:border-color .2s ease-out,background .2s ease-out;
}
.icon-btn:hover{border-color:rgba(255,90,31,.55);background:rgba(255,90,31,.10)}

/* ========== 移动端抽屉 ========== */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(5,9,18,.97);
  backdrop-filter:blur(18px);
  opacity:0;visibility:hidden;
  transition:opacity .22s ease-out,visibility .22s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-inner{padding:20px}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-nav{display:grid;gap:4px;margin-bottom:22px}
.drawer-link{
  display:flex;align-items:center;height:44px;padding:0 14px;
  border-radius:12px;font-size:16px;color:var(--muted);
  border:1px solid transparent;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-link.active{
  color:var(--accent-2);
  background:rgba(255,90,31,.10);
  border-color:rgba(255,90,31,.35);
}
.drawer-search{margin-bottom:14px}
.drawer-search .search-box{width:100%;height:44px;border-radius:12px}
body.no-scroll{overflow:hidden}

/* ========== 页头 Hero ========== */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
@media(min-width:1024px){.page-hero{padding:80px 0 92px}}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:.40;
}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,24,.55) 0%,rgba(7,12,24,.88) 58%,var(--bg) 100%),
    linear-gradient(90deg,rgba(7,12,24,.92) 0%,rgba(7,12,24,.45) 62%,rgba(7,12,24,.80) 100%);
}
.page-hero > .container-x{position:relative;z-index:2}

.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dim);margin-bottom:22px;flex-wrap:wrap}
.crumbs a:hover{color:var(--accent-2)}
.crumbs .sep{color:rgba(255,255,255,.22)}
.crumbs .current{color:var(--muted)}

.h1{
  font-size:30px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:0;
}
@media(min-width:768px){.h1{font-size:40px}}
@media(min-width:1024px){.h1{font-size:50px;line-height:1.15}}
.h1 .hl{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:620px}
@media(min-width:768px){.lead{font-size:16.5px}}

.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:999px;
  font-size:12.5px;color:var(--muted);
  background:var(--glass);
  border:1px solid var(--line);
}
.badge .dot{width:6px;height:6px;border-radius:999px;background:var(--cyan);box-shadow:0 0 8px rgba(46,230,168,.7)}
.badge.orange .dot{background:var(--accent-2);box-shadow:0 0 8px rgba(255,176,32,.7)}
.badge.accent{color:var(--accent-2);border-color:rgba(255,90,31,.4);background:rgba(255,90,31,.10)}

.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* 玻璃卡 */
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.glass-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 28px 56px rgba(0,0,0,.42)}
.hero-side{padding:20px;border-radius:var(--r-lg)}
.hero-side .cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:12px;
  border:1px solid var(--line);
}
.status-list{margin-top:18px;display:grid;gap:10px}
.status-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  font-size:13.5px;
}
.status-row .k{color:var(--muted)}
.status-row .v{color:var(--text);font-weight:600}
.status-row .v.on{color:var(--cyan)}
.hero-side .btn-primary{width:100%;margin-top:18px}

/* ========== 板块通用 ========== */
main{position:relative;z-index:1}
.sec{padding:64px 0;scroll-margin-top:88px}
@media(min-width:1024px){.sec{padding:104px 0}}
.sec-head{margin-bottom:36px;max-width:760px}
@media(min-width:1024px){.sec-head{margin-bottom:48px}}
.sec-title{font-size:26px;font-weight:700;line-height:1.3}
@media(min-width:1024px){.sec-title{font-size:34px}}
.sec-desc{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.85;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.06em;color:var(--accent-2);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}

/* ========== 数据带 ========== */
.stats-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 0}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px 16px}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat-num{font-size:30px;font-weight:800;line-height:1.1;color:var(--accent-2)}
@media(min-width:1024px){.stat-num{font-size:38px}}
.stat-cap{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.6}

.tagline-row{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
  margin-top:30px;padding-top:26px;border-top:1px solid var(--line);
}
@media(min-width:1024px){.tagline-row{grid-template-columns:repeat(4,1fr)}}
.tagline{
  font-size:13.5px;color:var(--dim);
  display:flex;align-items:center;gap:8px;
}
.tagline::before{content:"";width:5px;height:5px;border-radius:999px;background:rgba(255,90,31,.7);flex-shrink:0}

/* ========== 时间线 ========== */
.timeline{margin-top:8px}
.tl-item{position:relative;padding-left:56px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:15px;top:38px;bottom:2px;width:2px;
  background:linear-gradient(180deg,rgba(255,90,31,.45),rgba(255,255,255,.05));
}
.tl-item:last-child::before{display:none}
.tl-dot{
  position:absolute;left:0;top:2px;
  width:32px;height:32px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;color:var(--accent-2);
  background:rgba(255,90,31,.12);
  border:1px solid rgba(255,90,31,.42);
  font-variant-numeric:tabular-nums;
}
.tl-body{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.tl-body:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.tl-title{font-size:18px;font-weight:600}
@media(min-width:1024px){.tl-title{font-size:20px}}
.tl-text{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}
.tl-text + .tl-text{margin-top:6px}
.tl-foot{margin-top:14px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.tl-tag{
  font-size:12.5px;color:var(--dim);
  padding:3px 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}

/* ========== 分栏 ========== */
.split-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
}
.split-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.check-list{display:grid;gap:12px;margin-top:20px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:border-color .2s ease-out,background .2s ease-out,transform .2s ease-out;
}
.check-item:hover{border-color:rgba(255,90,31,.42);background:rgba(255,90,31,.06);transform:translateY(-2px)}
.check-ico{
  flex-shrink:0;width:22px;height:22px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,230,168,.14);border:1px solid rgba(46,230,168,.42);
  color:var(--cyan);margin-top:2px;
}
.check-title{font-size:15px;font-weight:600}
.check-desc{margin-top:4px;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ========== FAQ ========== */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{
  position:relative;
  border-bottom:1px solid var(--line);
  padding-left:0;
  transition:padding .2s ease-out;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  opacity:0;transition:opacity .2s ease-out;
}
.faq-item.open{padding-left:16px}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:12px 0;
  text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--accent-2)}
.faq-ico{flex-shrink:0;color:var(--muted);transition:transform .2s ease-out,color .2s ease-out}
.faq-item.open .faq-ico{transform:rotate(180deg);color:var(--accent-2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.faq-a-inner{padding:0 0 22px;font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ========== CTA 带 ========== */
.cta-band{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(255,90,31,.14),rgba(255,176,32,.05) 45%,rgba(255,255,255,.03));
  backdrop-filter:blur(14px);
  padding:28px 24px;
  display:flex;flex-direction:column;gap:20px;
  box-shadow:var(--shadow-card);
}
@media(min-width:1024px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 40px;gap:32px}
}
.cta-title{font-size:20px;font-weight:700}
@media(min-width:1024px){.cta-title{font-size:24px}}
.cta-desc{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.75;max-width:600px}

/* ========== 说明区 ========== */
.note-sec{
  border-top:1px solid var(--line);
  padding:56px 0 72px;
}
.note-grid{display:grid;gap:24px;max-width:920px}
@media(min-width:1024px){.note-grid{grid-template-columns:repeat(3,1fr);gap:28px}}
.note-item h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:10px}
.note-item p{font-size:14px;color:var(--muted);line-height:1.85}

/* ========== 页脚 ========== */
.site-footer{
  position:relative;z-index:1;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:64px 0 32px;
}
@media(min-width:1024px){.site-footer{padding:80px 0 36px}}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
.footer-link{display:block;padding:6px 0;font-size:13.5px;color:var(--muted)}
.footer-link:hover{color:#fff;transform:translateX(2px)}
.sub-line{color:var(--muted);line-height:1.8}
.footer-note{font-size:12.5px;color:var(--dim);line-height:1.7}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

/* ========== 浮动 CTA ========== */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 22px;
  border-radius:999px;
  font-size:15px;font-weight:700;color:#1A0E05;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--glow);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s ease-out,transform .25s ease-out,filter .2s ease-out;
}
.float-cta.show{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{filter:brightness(1.07);transform:translateY(-2px)}
.float-cta .dot{width:7px;height:7px;border-radius:999px;background:#1A0E05;opacity:.65}
@media(max-width:767px){
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;
    justify-content:center;padding-bottom:env(safe-area-inset-bottom);
    transform:translateY(100%);
  }
  .float-cta.show{transform:none}
  body{padding-bottom:72px}
}

/* ========== 入场动效 ========== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
    --bg:#070C18;
    --bg-deep:#050912;
    --panel:#101A2B;
    --glass:rgba(255,255,255,.04);
    --glass-strong:rgba(255,255,255,.06);
    --accent:#FF5A1F;
    --accent-2:#FFB020;
    --mint:#2EE6A8;
    --text:#E6EDF7;
    --muted:#9FB0C7;
    --dim:#64748B;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.14);
    --r-card:16px;
    --r-hero:20px;
    --r-btn:12px;
    --shadow-card:0 24px 48px rgba(0,0,0,.35);
    --glow:0 0 0 1px rgba(255,90,31,.35), 0 8px 28px rgba(255,90,31,.30);
    --ease:200ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input{font:inherit;color:inherit;}
  h1,h2,h3,h4,p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  @media (max-width:640px){.container-x{padding:0 20px;}}

  /* ============ HEADER ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(7,12,24,.55);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(7,12,24,.92);
    border-bottom-color:var(--line);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }
  .header-inner{
    display:flex;align-items:center;gap:16px;
    height:64px;
  }
  @media (min-width:1024px){.header-inner{height:72px;}}

  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:36px;height:36px;border-radius:12px;
    display:grid;place-items:center;
    font-size:13px;font-weight:800;letter-spacing:.5px;
    color:#0a0f1c;
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    box-shadow:var(--glow);
  }
  .brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
  @media (max-width:480px){.brand-text{font-size:15px;}}

  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    padding:8px 14px;border-radius:10px;
    font-size:15px;font-weight:500;
    color:var(--muted);
    transition:color var(--ease),background var(--ease);
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
  .nav-link.active{color:#fff;font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
    border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));
  }

  .header-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .search-wrap{position:relative;}
  .search-box{
    display:flex;align-items:center;gap:8px;
    width:232px;height:38px;padding:0 8px 0 12px;
    border-radius:999px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line);
    transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  }
  .search-box:hover{background:rgba(255,255,255,.07);}
  .search-box:focus-within{
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(255,90,31,.18);
    background:rgba(255,255,255,.07);
  }
  .search-box svg{flex-shrink:0;color:var(--dim);}
  .search-box input{
    flex:1;min-width:0;background:transparent;border:0;outline:0;
    font-size:14px;color:var(--text);
  }
  .search-box input::placeholder{color:var(--dim);}
  .kbd{
    flex-shrink:0;font-size:11px;line-height:1;
    padding:4px 6px;border-radius:6px;
    color:var(--dim);background:rgba(255,255,255,.08);
    border:1px solid var(--line);
  }
  .suggest-panel{
    position:absolute;top:calc(100% + 10px);right:0;
    width:288px;padding:14px;
    border-radius:14px;
    background:rgba(16,26,43,.96);
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    backdrop-filter:blur(16px);
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  }
  .search-wrap:focus-within .suggest-panel,
  .suggest-panel:hover{opacity:1;visibility:visible;transform:none;}
  .suggest-title{font-size:12px;color:var(--dim);margin-bottom:10px;}
  .suggest-tags{display:flex;flex-wrap:wrap;gap:8px;}
  .suggest-note{font-size:12px;color:var(--dim);margin-top:12px;line-height:1.6;}

  .header-quick{
    font-size:14px;color:var(--muted);padding:8px 10px;border-radius:10px;
    transition:color var(--ease),background var(--ease);white-space:nowrap;
  }
  .header-quick:hover{color:var(--accent-2);background:rgba(255,255,255,.05);}

  /* ============ BUTTONS ============ */
  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border:0;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;color:#0a0f1c;
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    box-shadow:var(--glow);cursor:pointer;
    transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  }
  .btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,90,31,.45),0 12px 34px rgba(255,90,31,.38);}
  .btn-primary:active{transform:scale(.98);}
  .btn-primary svg{transition:transform var(--ease);}
  .btn-primary:hover svg{transform:translateX(2px);}

  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--r-btn);
    font-size:15px;font-weight:500;color:var(--text);
    background:transparent;border:1px solid var(--line-strong);cursor:pointer;
    transition:border-color var(--ease),background var(--ease),transform var(--ease);
  }
  .btn-ghost:hover{border-color:rgba(255,90,31,.6);background:rgba(255,90,31,.07);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}

  .btn-text{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--accent);
    transition:color var(--ease),gap var(--ease);
  }
  .btn-text:hover{color:var(--accent-2);gap:10px;}

  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;}

  /* ============ PILLS / BADGES ============ */
  .pill{
    display:inline-flex;align-items:center;gap:6px;
    height:28px;padding:0 14px;border-radius:999px;
    font-size:12.5px;color:var(--muted);
    background:var(--glass);border:1px solid var(--line);
    backdrop-filter:blur(10px);
    transition:border-color var(--ease),color var(--ease),transform var(--ease);
  }
  .pill:hover{border-color:rgba(255,90,31,.45);color:var(--text);transform:translateY(-1px);}
  .pill-accent{color:var(--accent-2);border-color:rgba(255,176,32,.35);background:rgba(255,176,32,.08);}
  .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 8px rgba(46,230,168,.8);flex-shrink:0;}

  /* ============ PAGE HEAD ============ */
  .page-head{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
  .page-head-bg{
    position:absolute;inset:0;
    background-size:cover;background-position:center;
    opacity:.26;filter:saturate(.85);
  }
  .page-head::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,12,24,.70) 0%,rgba(7,12,24,.88) 55%,rgba(7,12,24,.98) 100%);
  }
  .page-head-inner{position:relative;z-index:2;padding:56px 0 48px;}
  @media (min-width:1024px){.page-head-inner{padding:72px 0 60px;}}
  .crumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--dim);margin-bottom:18px;
  }
  .crumb a{color:var(--muted);transition:color var(--ease);}
  .crumb a:hover{color:var(--accent-2);}
  .crumb span.sep{color:var(--dim);}
  .page-head h1{
    font-size:28px;line-height:1.22;font-weight:800;letter-spacing:0;
    max-width:760px;
  }
  @media (min-width:768px){.page-head h1{font-size:40px;}}
  @media (min-width:1024px){.page-head h1{font-size:50px;line-height:1.15;}}
  .lede{
    margin-top:16px;max-width:640px;
    font-size:15.5px;line-height:1.85;color:var(--muted);
  }
  .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}

  /* ============ SECTIONS ============ */
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:104px 0;}}
  .section-tight{padding:56px 0;}
  @media (min-width:1024px){.section-tight{padding:80px 0;}}

  .sec-head{max-width:720px;margin-bottom:40px;}
  .sec-head h2{font-size:26px;line-height:1.3;font-weight:700;}
  @media (min-width:768px){.sec-head h2{font-size:32px;}}
  @media (min-width:1024px){.sec-head h2{font-size:34px;}}
  .sec-head p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--muted);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:.04em;color:var(--accent-2);
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";width:18px;height:1px;background:linear-gradient(90deg,var(--accent),transparent);
  }

  /* ============ LIST ROWS (清单行) ============ */
  .list-block{border-top:1px solid var(--line);}
  .list-row{
    display:grid;
    grid-template-columns:56px 1fr auto;
    gap:16px;
    align-items:center;
    padding:26px 4px;
    border-bottom:1px solid var(--line);
    transition:background var(--ease),padding-left var(--ease);
  }
  .list-row:hover{background:rgba(255,255,255,.025);padding-left:12px;}
  .row-index{
    font-size:20px;font-weight:700;color:var(--accent);
    font-variant-numeric:tabular-nums;line-height:1;
  }
  .row-title{font-size:17px;font-weight:600;line-height:1.5;}
  @media (min-width:768px){.row-title{font-size:19px;}}
  .row-desc{margin-top:6px;font-size:14px;line-height:1.75;color:var(--muted);max-width:620px;}
  .row-action{justify-self:end;}
  @media (max-width:767px){
    .list-row{grid-template-columns:40px 1fr;gap:12px;align-items:start;}
    .row-action{grid-column:2;justify-self:start;margin-top:14px;}
  }

  /* ============ ACCORDION ============ */
  .acc-item{
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:var(--glass);
    backdrop-filter:blur(12px);
    margin-bottom:14px;
    overflow:hidden;
    transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
  }
  .acc-item:hover{border-color:var(--line-strong);background:var(--glass-strong);}
  .acc-item.open{
    border-color:rgba(255,90,31,.4);
    box-shadow:inset 3px 0 0 var(--accent);
  }
  .acc-head{
    display:flex;align-items:center;gap:16px;
    width:100%;min-height:64px;padding:16px 22px;
    background:transparent;border:0;text-align:left;cursor:pointer;
  }
  .acc-title{flex:1;font-size:16px;font-weight:600;line-height:1.5;}
  @media (min-width:768px){.acc-title{font-size:17px;}}
  .acc-icon{
    flex-shrink:0;width:22px;height:22px;color:var(--muted);
    transition:transform var(--ease),color var(--ease);
  }
  .acc-item.open .acc-icon{transform:rotate(180deg);color:var(--accent);}
  .acc-body{
    max-height:0;overflow:hidden;
    transition:max-height var(--ease);
  }
  .acc-body-inner{
    padding:0 22px 22px;
    font-size:14.5px;line-height:1.8;color:var(--muted);
    max-width:860px;
  }

  /* ============ NOTE ZONE (图文) ============ */
  .figure-card{
    border-radius:var(--r-hero);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--panel);
    box-shadow:var(--shadow-card);
  }
  .figure-card img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    transition:transform 400ms ease-out;
  }
  .figure-card:hover img{transform:scale(1.04);}
  .figure-cap{
    padding:14px 18px;font-size:13px;color:var(--dim);
    border-top:1px solid var(--line);
  }
  .note-text p{
    font-size:15px;line-height:1.9;color:var(--muted);
    margin-bottom:18px;
  }
  .note-text p:last-child{margin-bottom:0;}
  .note-text strong{color:var(--text);font-weight:600;}

  /* ============ STAT STRIP ============ */
  .stat-strip{
    display:grid;grid-template-columns:repeat(2,1fr);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  }
  @media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr);}}
  .stat-cell{
    padding:26px 20px;
    border-right:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .stat-strip .stat-cell:nth-child(2n){border-right:0;}
  @media (min-width:768px){
    .stat-strip .stat-cell{border-bottom:0;}
    .stat-strip .stat-cell:nth-child(2n){border-right:1px solid var(--line);}
    .stat-strip .stat-cell:last-child{border-right:0;}
  }
  .stat-value{
    font-size:30px;font-weight:700;color:var(--accent-2);
    font-variant-numeric:tabular-nums;line-height:1.1;
  }
  @media (min-width:1024px){.stat-value{font-size:36px;}}
  .stat-label{margin-top:10px;font-size:13.5px;line-height:1.6;color:var(--muted);}

  /* ============ CTA BAND ============ */
  .cta-band{
    border-radius:var(--r-hero);
    border:1px solid var(--line);
    background:linear-gradient(135deg,rgba(255,90,31,.12),rgba(16,26,43,.85) 55%,rgba(46,230,168,.08));
    backdrop-filter:blur(14px);
    box-shadow:var(--shadow-card);
    padding:32px 26px;
    display:flex;flex-direction:column;gap:22px;
  }
  @media (min-width:768px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px;}
  }
  .cta-band h2{font-size:22px;font-weight:700;line-height:1.4;}
  @media (min-width:768px){.cta-band h2{font-size:26px;}}
  .cta-band p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted);max-width:620px;}

  /* ============ FOOTER ============ */
  .site-footer{
    background:var(--bg-deep);
    border-top:1px solid var(--line);
    padding:56px 0 26px;
    margin-top:8px;
  }
  .footer-title{font-size:15px;font-weight:600;color:#fff;margin:0 0 14px;}
  .footer-link{
    display:block;padding:6px 0;font-size:14px;color:var(--muted);
    transition:color var(--ease),transform var(--ease);
  }
  .footer-link:hover{color:var(--accent-2);transform:translateX(2px);}
  .footer-bottom{
    margin-top:44px;padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;align-items:center;
  }
  .footer-note{font-size:12.5px;line-height:1.7;color:var(--dim);}
  .sub-line{color:var(--muted);font-size:14px;line-height:1.8;}

  /* ============ FLOAT CTA ============ */
  .float-cta{
    position:fixed;right:24px;bottom:24px;z-index:45;
    display:inline-flex;align-items:center;gap:10px;
    height:52px;padding:0 22px;border-radius:999px;
    font-size:15px;font-weight:600;color:#0a0f1c;
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    box-shadow:var(--glow);
    opacity:0;pointer-events:none;transform:translateY(12px);
    transition:opacity 300ms ease-out,transform 300ms ease-out,filter var(--ease);
  }
  .float-cta.show{opacity:1;pointer-events:auto;transform:none;}
  .float-cta:hover{filter:brightness(1.07);}
  .float-cta .pulse{
    width:8px;height:8px;border-radius:50%;background:#0a0f1c;opacity:.75;
  }
  @media (max-width:767px){
    .float-cta{
      right:0;left:0;bottom:0;height:56px;border-radius:0;
      justify-content:center;
      padding-bottom:env(safe-area-inset-bottom);
    }
    body{padding-bottom:72px;}
  }

  /* ============ MOBILE DRAWER ============ */
  .drawer{
    position:fixed;inset:0;z-index:60;
    background:rgba(5,9,18,.98);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    display:flex;flex-direction:column;
    padding:22px 22px calc(28px + env(safe-area-inset-bottom));
    transform:translateY(-100%);
    transition:transform 260ms ease-out;
  }
  .drawer.open{transform:translateY(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
  .drawer-nav a{
    min-height:44px;display:flex;align-items:center;
    padding:0 14px;border-radius:12px;
    font-size:16px;color:var(--muted);
    border:1px solid transparent;
    transition:color var(--ease),background var(--ease),border-color var(--ease);
  }
  .drawer-nav a:hover{color:var(--text);background:rgba(255,255,255,.05);}
  .drawer-nav a.active{color:#fff;font-weight:600;border-color:rgba(255,90,31,.4);background:rgba(255,90,31,.08);}
  .drawer-search{
    display:flex;align-items:center;gap:8px;
    height:44px;padding:0 14px;border-radius:999px;
    background:rgba(255,255,255,.05);border:1px solid var(--line);
    margin-bottom:18px;
  }
  .drawer-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;font-size:15px;}
  body.no-scroll{overflow:hidden;}

  .icon-btn{
    display:grid;place-items:center;
    width:40px;height:40px;border-radius:12px;
    background:rgba(255,255,255,.05);border:1px solid var(--line);
    color:var(--text);cursor:pointer;
    transition:border-color var(--ease),background var(--ease);
  }
  .icon-btn:hover{border-color:var(--line-strong);background:rgba(255,255,255,.08);}

  /* ============ REVEAL ============ */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms ease-out,transform 520ms ease-out;}
  .reveal.in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
  }
  section[id]{scroll-margin-top:88px;}

  .divider{height:1px;background:var(--line);border:0;margin:0;}