/* roulang page: index */
:root{
  --bg:#060B16;
  --bg-2:#0A1224;
  --bg-3:#04070F;
  --primary:#26E0A8;
  --primary-deep:#12A87C;
  --secondary:#7C6CFF;
  --accent:#FFB44C;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --nav-ink:#0E1729;
  --nav-ink-2:#33415C;
  --nav-bg:#FFFFFF;
  --nav-border:#E6EBF2;
  --stroke:rgba(255,255,255,.14);
  --stroke-soft:rgba(255,255,255,.08);
  --stroke-hover:rgba(38,224,168,.34);
  --glass:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  --glass-soft:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --glow-primary:0 0 24px rgba(38,224,168,.35);
  --wrap:1200px;
  --sec:96px;
}
*,*::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","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-border);
  box-shadow:0 1px 8px rgba(14,23,41,.06);
}
.nav-wrap{display:flex;align-items:center;height:68px;gap:18px;}
.logo{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:var(--nav-ink);letter-spacing:-.01em;white-space:nowrap;}
.logo-mark{
  width:30px;height:30px;flex:none;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:grid;place-items:center;color:#04120C;font-size:14px;font-weight:800;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:14px;}
.nav-link{padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--nav-ink-2);transition:background .2s ease,color .2s ease;}
.nav-link:hover{background:#F1F4F9;color:var(--nav-ink);}
.nav-link.active{background:#EEF3FA;color:var(--primary-deep);font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 15px;
  border-radius:20px;background:#F1F4F9;border:1px solid transparent;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:#B9E9D6;background:#fff;box-shadow:0 0 0 3px rgba(38,224,168,.14);}
.search-box svg{flex:none;color:#8A98AF;}
.search-box input{width:146px;border:none;background:none;outline:none;font-size:14px;color:var(--nav-ink);}
.search-box input::placeholder{color:#8A98AF;}
.nav-toggle{
  display:none;width:40px;height:40px;flex:none;
  border:1px solid var(--nav-border);border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--nav-ink);}

/* ===== Buttons ===== */
.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;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),#19C79A);color:#04120C;box-shadow:var(--glow-primary);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 10px rgba(38,224,168,.25);}
.btn-secondary{background:rgba(255,255,255,.06);border:1px solid var(--stroke);color:var(--text);backdrop-filter:blur(10px);}
.btn-secondary:hover{border-color:var(--stroke-hover);transform:translateY(-1px);}
.btn-ghost{height:auto;padding:0;color:var(--primary);font-weight:600;background:none;box-shadow:none;}
.btn-ghost i{font-style:normal;display:inline-block;transition:transform .2s ease;margin-left:4px;}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--bg-3);padding:88px 0 0;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.34;}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,15,.76) 0%,rgba(4,7,15,.92) 58%,rgba(6,11,22,1) 100%);}
.hero-glow{position:absolute;inset:0;background:radial-gradient(circle at 18% 16%,rgba(38,224,168,.20),transparent 55%),radial-gradient(circle at 84% 6%,rgba(124,108,255,.20),transparent 52%);}
.hero-mesh{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:8px;}
.hero h1{font-size:42px;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
.hero h1 .hl{color:var(--primary);text-shadow:0 0 24px rgba(38,224,168,.32);}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:var(--text-2);max-width:34ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-note{margin-top:22px;font-size:13px;color:var(--text-3);}
.glass{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.hero-panel{padding:18px;}
.panel-figure{aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--bg-2);}
.panel-figure img{width:100%;height:100%;object-fit:cover;}
.panel-list{margin-top:16px;display:flex;flex-direction:column;gap:12px;}
.panel-item{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);}
.panel-dot{width:7px;height:7px;flex:none;margin-top:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(38,224,168,.7);}
.panel-item b{color:var(--text);font-weight:600;}

/* ===== Metrics ===== */
.metrics{
  position:relative;z-index:2;
  margin-top:56px;padding-bottom:72px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.metric{
  padding:18px 20px;border-radius:14px;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  border:1px solid var(--stroke-soft);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.metric-num{font-size:26px;font-weight:800;color:var(--primary);letter-spacing:-.02em;line-height:1.3;}
.metric-label{display:block;margin-top:2px;font-size:13px;color:var(--text-3);line-height:1.6;}

/* ===== Sections ===== */
.section{padding:var(--sec) 0;}
.section-alt{background:var(--bg-2);}
.section-head{max-width:740px;margin-bottom:44px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--primary);margin-bottom:14px;}
.eyebrow::before{content:"";width:20px;height:1px;background:linear-gradient(90deg,transparent,var(--primary));}
.section h2{font-size:30px;line-height:1.42;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2);max-width:42ch;}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(38,224,168,.3),transparent);border:0;margin:0;}

/* ===== Pain cards ===== */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pain-card{
  padding:24px;border-radius:var(--r-card);
  background:var(--glass-soft);
  border:1px solid rgba(159,176,204,.20);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.pain-card:hover{transform:translateY(-2px);border-color:rgba(159,176,204,.42);background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));}
.pain-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--stroke-soft);
  margin-bottom:18px;
}
.pain-card h3{font-size:18px;font-weight:700;line-height:1.5;}
.pain-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2);}

/* ===== Zigzag ===== */
.zig{display:flex;flex-direction:column;gap:72px;}
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.zig-row.reverse .zig-media{order:2;}
.zig-body h3{font-size:22px;line-height:1.5;font-weight:700;}
.zig-body .tag{margin-bottom:16px;}
.zig-body p{margin-top:14px;font-size:15px;color:var(--text-2);}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.8;}
.check-mark{
  width:20px;height:20px;flex:none;margin-top:5px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(38,224,168,.14);color:var(--primary);font-size:11px;font-weight:800;
}
.check-list b{color:var(--text);font-weight:600;}
.zig-media{aspect-ratio:4/3;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow-card);background:var(--bg-2);}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.zig-media:hover img{transform:scale(1.03);}

/* ===== Tag / Badge ===== */
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(38,224,168,.12);color:var(--primary);
}
.tag-violet{background:rgba(124,108,255,.16);color:#B6ACFF;}
.tag-amber{background:rgba(255,180,76,.14);color:var(--accent);}

/* ===== Band / Stats ===== */
.band{background:var(--bg-3);border-top:1px solid var(--stroke-soft);border-bottom:1px solid var(--stroke-soft);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  padding:26px 22px;border-radius:var(--r-card);text-align:center;
  background:var(--glass);border:1px solid var(--stroke);
  transition:transform .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-2px);border-color:var(--stroke-hover);}
.stat-num{font-size:34px;font-weight:800;color:var(--primary);letter-spacing:-.02em;text-shadow:0 0 18px rgba(38,224,168,.45);line-height:1.3;}
.stat-label{display:block;margin-top:8px;font-size:14px;color:var(--text-2);}

/* ===== Quotes ===== */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.quote-card{
  padding:26px;border-radius:var(--r-card);
  background:var(--glass-soft);border:1px solid var(--stroke-soft);
  transition:transform .22s ease,border-color .22s ease;
}
.quote-card:hover{transform:translateY(-2px);border-color:var(--stroke-hover);}
.quote-card.lift{margin-top:28px;}
.quote-text{font-size:15px;line-height:1.9;color:var(--text-2);}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:20px;}
.quote-avatar{width:48px;height:48px;flex:none;border-radius:50%;overflow:hidden;border:1px solid var(--stroke);background:var(--bg-2);}
.quote-avatar img{width:100%;height:100%;object-fit:cover;}
.quote-name{font-size:15px;font-weight:600;color:var(--text);}
.quote-role{font-size:13px;color:var(--text-3);}

/* ===== News ===== */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card{
  position:relative;display:block;padding:22px 24px 20px 28px;
  border-radius:var(--r-card);
  background:var(--glass-soft);border:1px solid var(--stroke-soft);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;
  border-radius:0 4px 4px 0;background:linear-gradient(180deg,var(--primary),var(--secondary));
}
.news-card:hover{transform:translateY(-2px);border-color:var(--stroke-hover);box-shadow:0 14px 34px rgba(0,0,0,.4);}
.news-title{
  font-size:18px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;}
.news-date{font-size:13px;color:var(--text-3);}
.news-more{margin-left:auto;font-size:13px;font-weight:600;color:var(--text-3);transition:color .2s ease;}
.news-more i{font-style:normal;display:inline-block;transition:transform .2s ease;margin-left:4px;}
.news-card:hover .news-more{color:var(--primary);}
.news-card:hover .news-more i{transform:translateX(4px);}
.news-empty{
  grid-column:1/-1;padding:48px 24px;text-align:center;
  border:1px dashed var(--stroke);border-radius:var(--r-card);background:var(--glass-soft);
}
.news-empty .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;display:grid;place-items:center;
  color:var(--primary);background:rgba(38,224,168,.10);
}
.news-empty p{font-size:15px;color:var(--text-2);}
.news-empty .btn{margin-top:18px;}

/* ===== FAQ ===== */
.faq-list{max-width:860px;}
.faq-item{
  margin-bottom:14px;border-radius:14px;overflow:hidden;
  background:var(--glass-soft);border:1px solid var(--stroke-soft);
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.18);}
.faq-item.open{border-color:var(--stroke-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-icon{position:relative;width:18px;height:18px;flex:none;transition:transform .25s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;}
.faq-icon::before{left:8px;top:1px;width:2px;height:16px;}
.faq-icon::after{top:8px;left:1px;height:2px;width:16px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:440px;}
.faq-a-inner{
  padding:16px 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);
  border-top:1px solid var(--stroke-soft);background:rgba(38,224,168,.035);
}

/* ===== CTA band ===== */
.cta-wrap{padding:0 0 var(--sec);}
.cta-band{
  padding:56px 48px;border-radius:20px;text-align:center;
  background:linear-gradient(140deg,rgba(38,224,168,.16),rgba(124,108,255,.16));
  border:1px solid var(--stroke);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.cta-band h2{font-size:28px;line-height:1.45;font-weight:800;}
.cta-band p{margin-top:14px;font-size:15px;color:var(--text-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;margin-top:30px;}

/* ===== Footer ===== */
.site-footer{background:var(--bg-3);border-top:1px solid var(--stroke-soft);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;color:var(--text);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-3);max-width:30ch;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.02em;}
.footer-list li{margin-bottom:11px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-3);transition:color .2s ease;}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--stroke-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.footer-bottom a{font-size:13px;color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ===== Drawer ===== */
.overlay{
  position:fixed;inset:0;z-index:110;background:rgba(6,11,22,.55);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.overlay.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;width:308px;max-width:86vw;
  background:#fff;padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s ease;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--nav-border);
  display:grid;place-items:center;color:var(--nav-ink-2);font-size:18px;line-height:1;
}
.drawer-nav a{
  display:block;padding:13px 14px;border-radius:12px;font-size:16px;
  color:var(--nav-ink-2);transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover{background:#F1F4F9;color:var(--nav-ink);}
.drawer-nav a.active{background:#EEF3FA;color:var(--primary-deep);font-weight:600;}
.drawer .search-box{margin-top:22px;width:100%;height:44px;border-radius:12px;}
.drawer .search-box input{width:100%;}
.drawer .btn{width:100%;margin-top:14px;}

/* ===== Responsive ===== */
@media (max-width:1279px){
  :root{--sec:80px;}
  .hero h1{font-size:38px;}
  .hero-inner{gap:40px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .nav-links,.nav-right .search-box,.nav-right .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .nav-toggle{margin-left:auto;}
  .nav-wrap{justify-content:space-between;}
  .hero{padding:64px 0 0;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .hero-sub{max-width:100%;}
  .metrics{grid-template-columns:repeat(2,1fr);margin-top:40px;padding-bottom:56px;}
  .pain-grid{grid-template-columns:1fr;}
  .zig-row{grid-template-columns:1fr;gap:28px;}
  .zig-row.reverse .zig-media{order:0;}
  .zig{gap:56px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .quote-card.lift{margin-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .cta-band{padding:44px 28px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .section h2{font-size:22px;}
  .zig-body h3{font-size:19px;}
  .cta-band h2{font-size:22px;}
  .metrics{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:34px 20px;border-radius:16px;}
  .glass,.pain-card,.stat-card,.faq-item,.news-card{backdrop-filter:blur(8px) saturate(120%);-webkit-backdrop-filter:blur(8px) saturate(120%);}
  .btn-primary{box-shadow:0 0 14px rgba(38,224,168,.28);}
  .hero-glow{opacity:.7;}
}
@media (max-width:480px){
  .hero h1{font-size:24px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .stat-num{font-size:28px;}
  .metric-num{font-size:22px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:14px 18px 18px;}
  .news-card{padding:18px 18px 16px 22px;}
}

/* roulang page: category1 */
:root{
  --bg:#060B16;
  --bg-2:#0A1224;
  --bg-3:#04070F;
  --glass:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  --stroke:rgba(255,255,255,.14);
  --stroke-soft:rgba(255,255,255,.08);
  --primary:#26E0A8;
  --primary-deep:#0E9E74;
  --violet:#7C6CFF;
  --amber:#FFB44C;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --ink:#0E1729;
  --ink-2:#33415C;
  --light:#FFFFFF;
  --light-2:#F7F9FC;
  --field:#F1F4F9;
  --line:#E6EBF2;
  --btn-grad:linear-gradient(135deg,#1FCB98 0%,#7C6CFF 100%);
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(38,224,168,.35);
  --shadow-head:0 1px 8px rgba(14,23,41,.06);
  --ease:all .25s cubic-bezier(.4,0,.2,1);
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-dark{background:var(--bg-3)}
.section-alt{background:var(--bg-2)}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,rgba(38,224,168,.32),transparent)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--primary);background:rgba(38,224,168,.12);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px}
.section-title{font-size:30px;font-weight:800;color:var(--text)}
.section-sub{margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.8}
.glass{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.card-hover{transition:var(--ease)}
.card-hover:hover{transform:translateY(-2px);border-color:rgba(38,224,168,.30)}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--light);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-head);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  color:#04231A;font-weight:800;font-size:15px;
  display:grid;place-items:center;flex-shrink:0;
}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  font-size:15px;font-weight:600;color:var(--ink-2);
  padding:8px 14px;border-radius:var(--r-pill);
  transition:var(--ease);white-space:nowrap;
}
.nav-link:hover{background:var(--light-2);color:var(--ink)}
.nav-link.active{background:#EEF3FA;color:var(--primary-deep)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.header-search{position:relative}
.header-search input{
  width:210px;height:40px;border-radius:20px;border:1px solid transparent;
  background:var(--field);color:var(--ink);
  font-size:14px;padding:0 16px;outline:none;transition:var(--ease);
}
.header-search input::placeholder{color:#8894A8}
.header-search input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(38,224,168,.16)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:var(--ease)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(6,11,22,.55);
  opacity:0;visibility:hidden;transition:var(--ease);z-index:90;
}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:308px;max-width:86vw;
  background:#fff;z-index:100;padding:26px 22px;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.nav-drawer .drawer-title{font-size:13px;font-weight:700;color:#8894A8;letter-spacing:.08em;margin-bottom:14px}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-links a{
  font-size:16px;font-weight:600;color:var(--ink-2);
  padding:12px 14px;border-radius:12px;transition:var(--ease);
}
.drawer-links a:hover{background:var(--light-2)}
.drawer-links a.active{background:#EEF3FA;color:var(--primary-deep)}
.drawer-search input{
  width:100%;height:44px;border-radius:12px;background:var(--field);
  border:1px solid transparent;padding:0 16px;font-size:14px;color:var(--ink);outline:none;
}
.drawer-search input:focus{border-color:var(--primary);background:#fff}
.drawer-cta{margin-top:16px;display:block;text-align:center}
body.drawer-open{overflow:hidden}
body.drawer-open .nav-overlay{opacity:1;visibility:visible}
body.drawer-open .nav-drawer{transform:translateX(0)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;border:1px solid transparent;
  transition:var(--ease);cursor:pointer;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:15px}
.btn-lg{height:52px;padding:0 32px}
.btn-primary{
  background:var(--btn-grad);color:#fff;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 30px rgba(38,224,168,.48)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.28)}
.btn-secondary{
  background:rgba(255,255,255,.05);border-color:var(--stroke);color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-secondary:hover{border-color:rgba(38,224,168,.6);color:#fff;transform:translateY(-1px)}
.btn-ghost{
  background:transparent;color:var(--primary);padding:0;height:auto;
  font-size:15px;font-weight:700;
}
.btn-ghost .arrow{transition:transform .25s ease}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg);padding:56px 0 88px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.22;
}
.hero-glow{
  position:absolute;inset:0;
  background:
    radial-gradient(620px 320px at 18% 8%,rgba(38,224,168,.22),transparent 62%),
    radial-gradient(520px 280px at 86% 82%,rgba(124,108,255,.20),transparent 66%),
    linear-gradient(180deg,rgba(6,11,22,.55) 0%,rgba(6,11,22,.94) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero-inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:30px;flex-wrap:wrap}
.crumb a{color:var(--text-2);transition:var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{opacity:.6}
.crumb .current{color:var(--primary)}
.hero-cols{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero h1{font-size:40px;font-weight:800;line-height:1.28}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-lead{margin-top:20px;font-size:17px;color:var(--text-2);max-width:52ch;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{
  font-size:13px;font-weight:600;color:var(--text-2);
  border:1px solid var(--stroke-soft);border-radius:var(--r-pill);
  padding:6px 14px;background:rgba(255,255,255,.04);
}
.hero-visual{padding:20px;border-radius:22px}
.hero-visual .shot{border-radius:16px;overflow:hidden;border:1px solid var(--stroke-soft);aspect-ratio:16/9;background:#0A1224}
.hero-visual .shot img{width:100%;height:100%;object-fit:cover;border-radius:0}
.hero-facts{margin-top:18px;display:grid;gap:10px}
.hero-fact{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px rgba(38,224,168,.8);flex-shrink:0}
.dot.violet{background:var(--violet);box-shadow:0 0 12px rgba(124,108,255,.8)}
.dot.amber{background:var(--amber);box-shadow:0 0 12px rgba(255,180,76,.8)}

/* ---------- steps ---------- */
.z-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.z-row.reverse .z-media{order:2}
.step-list{display:grid;gap:16px;margin-top:26px}
.step-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  padding:20px 22px;border-radius:var(--r-card);
  background:rgba(255,255,255,.04);border:1px solid var(--stroke-soft);
  transition:var(--ease);
}
.step-item:hover{border-color:rgba(38,224,168,.34);background:rgba(38,224,168,.05);transform:translateX(3px)}
.step-num{
  font-size:30px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:6px}
.step-body p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.media-frame{border-radius:22px;padding:16px}
.media-frame .shot{aspect-ratio:4/3;border-radius:16px;overflow:hidden;border:1px solid var(--stroke-soft)}
.media-frame .shot img{width:100%;height:100%;object-fit:cover;border-radius:0}
.media-cap{margin-top:14px;font-size:13px;color:var(--text-3);text-align:center}

/* ---------- image cards ---------- */
.img-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:12px}
.img-card{border-radius:var(--r-card);overflow:hidden;transition:var(--ease)}
.img-card:hover{transform:translateY(-3px);border-color:rgba(38,224,168,.32)}
.img-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#0A1224}
.img-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.img-card:hover .thumb img{transform:scale(1.04)}
.img-card .body{padding:22px 24px 26px}
.img-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.img-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.03em;
  color:var(--primary);background:rgba(38,224,168,.12);
  border-radius:var(--r-pill);padding:5px 12px;
}
.badge-violet{color:#B9AEFF;background:rgba(124,108,255,.16)}
.badge-amber{color:var(--amber);background:rgba(255,180,76,.14)}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.check-card{padding:24px;border-radius:var(--r-card);transition:var(--ease)}
.check-card:hover{transform:translateY(-2px);border-color:rgba(38,224,168,.30)}
.check-card h3{font-size:17px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.check-card h3 .tick{
  width:22px;height:22px;border-radius:7px;flex-shrink:0;
  background:rgba(38,224,168,.14);color:var(--primary);
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.check-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{border-radius:var(--r-card);overflow:hidden;transition:border-color .25s ease}
.faq-item.open{border-color:rgba(38,224,168,.36)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;text-align:left;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;width:16px;height:16px;flex-shrink:0;transition:transform .3s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{top:0;left:7px;height:16px;width:2px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--stroke-soft);margin-top:-2px;padding-top:18px;background:rgba(38,224,168,.04)}
.faq-a[hidden]{display:none}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{
  display:block;padding:24px;border-radius:var(--r-card);transition:var(--ease);
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(38,224,168,.32)}
.related-card .rc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.related-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.related-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.related-card .rc-more{margin-top:16px;font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.related-card.current{border-color:rgba(38,224,168,.42);background:rgba(38,224,168,.06)}
.related-card.current .rc-more{color:var(--text-3)}

/* ---------- cta band ---------- */
.cta-band{border-radius:22px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:26px;font-weight:800;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--text-2);max-width:56ch}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--stroke-soft);padding:66px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.85;max-width:34ch}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:grid;gap:10px}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-3);transition:var(--ease)}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--stroke-soft);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .header-search input{width:170px}
  .hero h1{font-size:36px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-links,.header-search{display:none}
  .nav-toggle{display:flex}
  .hero-cols,.z-row{grid-template-columns:1fr;gap:36px}
  .z-row.reverse .z-media{order:0}
  .hero h1{font-size:32px}
  .hero{padding:40px 0 66px}
  .check-grid{grid-template-columns:1fr}
  .img-card-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:36px 28px}
}
@media (max-width:767px){
  :root{--gutter:16px}
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .section-sub{font-size:15px}
  .hero h1{font-size:28px;line-height:1.36}
  .hero-lead{font-size:15.5px}
  .hero-visual,.media-frame{padding:12px;backdrop-filter:blur(10px) saturate(120%);-webkit-backdrop-filter:blur(10px) saturate(120%)}
  .glass{backdrop-filter:blur(10px) saturate(120%);-webkit-backdrop-filter:blur(10px) saturate(120%)}
  .btn{height:46px;padding:0 22px;font-size:15px}
  .btn-lg{height:48px;padding:0 24px}
  .cta-band h2{font-size:21px}
  .faq-q{font-size:15.5px;padding:18px 18px}
  .faq-a{padding:16px 18px 20px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .logo-text{font-size:16px}
}
@media (max-width:480px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .step-item{grid-template-columns:1fr;gap:10px;padding:18px}
  .step-num{font-size:26px}
  .crumb{font-size:12px}
}

/* roulang page: article */
:root{
  --bg:#060B16;
  --bg-soft:#0A1224;
  --bg-deep:#04070F;
  --primary:#26E0A8;
  --primary-deep:#0E9E74;
  --primary-dim:rgba(38,224,168,.12);
  --secondary:#7C6CFF;
  --accent:#FFB44C;
  --danger:#FF5C7C;
  --text:#EAF2FF;
  --text-sub:#9FB0CC;
  --text-weak:#6B7C99;
  --body-text:#D7E2F5;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --glass:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(38,224,168,.35);
  --nav-bg:#FFFFFF;
  --nav-ink:#0E1729;
  --nav-ink-sub:#33415C;
  --nav-capsule:#EEF3FA;
  --nav-line:#E6EBF2;
  --maxw:1200px;
  --gap-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.num{font-family:Inter,"Helvetica Neue",system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-line);
  box-shadow:0 1px 8px rgba(14,23,41,.06);
}
.header-inner{height:68px;display:flex;align-items:center;gap:20px;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--nav-ink);white-space:nowrap;flex-shrink:0}
.logo-mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--secondary));
  color:#04170F;font-size:15px;font-weight:800;letter-spacing:0
}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  font-size:15px;color:var(--nav-ink-sub);padding:8px 14px;border-radius:999px;
  transition:background .2s ease,color .2s ease;white-space:nowrap
}
.nav-link:hover{background:var(--nav-capsule);color:var(--nav-ink)}
.nav-link.active{background:var(--nav-capsule);color:var(--primary-deep);font-weight:600}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;background:#F1F4F9;border-radius:20px;
  height:40px;padding:0 14px;width:200px;transition:box-shadow .2s ease
}
.search-box:focus-within{box-shadow:0 0 0 3px rgba(38,224,168,.22)}
.search-box svg{flex-shrink:0;color:#7C8AA5}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--nav-ink)}
.search-box input::placeholder{color:#93A0B5}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-lg{height:48px;padding:0 26px;font-size:16px;border-radius:14px}
.btn-md{height:40px;padding:0 18px;font-size:15px}
.btn-sm{height:32px;padding:0 14px;font-size:13px}
.btn-primary{background:linear-gradient(135deg,var(--primary),#1FB98C);color:#04170F;box-shadow:var(--glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.25)}
.btn-secondary{background:rgba(255,255,255,.06);border:1px solid var(--line-strong);color:var(--text)}
.btn-secondary:hover{border-color:rgba(38,224,168,.6);color:#fff}
.btn-ghost{color:var(--text-sub);padding:0 4px;height:auto}
.btn-ghost:hover{color:var(--primary)}
.btn-ghost .arrow{transition:transform .2s ease}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;background:#F1F4F9;
  align-items:center;justify-content:center;flex-shrink:0
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--nav-ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--nav-ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer-mask{
  position:fixed;inset:0;background:rgba(6,11,22,.55);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:.25s;z-index:90
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);background:#fff;
  transform:translateX(102%);transition:transform .28s ease;z-index:95;
  padding:22px;overflow-y:auto;box-shadow:-20px 0 60px rgba(6,11,22,.28)
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-logo{font-size:16px;font-weight:700;color:var(--nav-ink)}
.drawer-close{width:36px;height:36px;border-radius:10px;background:#F1F4F9;display:grid;place-items:center;font-size:18px;color:var(--nav-ink-sub)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.drawer-nav a{font-size:16px;color:var(--nav-ink-sub);padding:12px 14px;border-radius:12px}
.drawer-nav a:hover{background:var(--nav-capsule);color:var(--nav-ink)}
.drawer-nav a.active{background:var(--nav-capsule);color:var(--primary-deep);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:8px;background:#F1F4F9;border-radius:20px;height:44px;padding:0 16px;margin-bottom:16px}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--nav-ink)}
.drawer-cta{width:100%}

/* ---------- article hero ---------- */
.article-hero{position:relative;padding:34px 0 58px;background:var(--bg-deep);overflow:hidden}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.24
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 320px at 12% -10%,rgba(38,224,168,.20),transparent 68%),
    radial-gradient(520px 300px at 88% 0%,rgba(124,108,255,.20),transparent 70%),
    linear-gradient(180deg,rgba(4,7,15,.62),var(--bg) 92%)
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.7;color:var(--text-weak)}
.crumbs a{color:var(--text-sub)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:rgba(255,255,255,.24)}
.crumbs .now{color:var(--text-sub);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:880px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap
}
.badge-cat{background:rgba(124,108,255,.16);color:#BDB5FF;border:1px solid rgba(124,108,255,.34)}
.badge-tag{background:rgba(38,224,168,.12);color:var(--primary);border:1px solid rgba(38,224,168,.28)}
.article-title{
  font-size:40px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
  color:#fff;margin-top:18px
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:20px;font-size:14px;color:var(--text-weak)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{opacity:.75}
.meta-share{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.05);font-size:13px;color:var(--text-sub);
  transition:.2s
}
.meta-share:hover{border-color:rgba(38,224,168,.55);color:var(--primary)}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;
  padding:52px 0 0;align-items:start
}
.article-col{max-width:800px;min-width:0}
.article-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 34px;backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--shadow-card)
}
.article-body{font-size:16px;line-height:1.9;color:var(--body-text);counter-reset:h3n;min-width:0}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:26px;line-height:1.42;font-weight:700;color:#fff;
  margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--primary)
}
.article-body h2:first-child{margin-top:0}
.article-body h3{
  font-size:20px;line-height:1.5;font-weight:700;color:var(--text);
  margin:32px 0 12px;counter-increment:h3n
}
.article-body h3::before{
  content:counter(h3n,decimal-leading-zero);
  color:var(--primary);font-weight:800;font-size:15px;margin-right:10px;
  font-family:Inter,system-ui,sans-serif;letter-spacing:.02em
}
.article-body h4{font-size:17px;font-weight:700;color:var(--text);margin:24px 0 10px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{filter:brightness(1.12)}
.article-body strong{color:#fff;font-weight:700}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:2px}
.article-body li{position:relative;padding-left:24px;margin-bottom:10px;color:var(--body-text)}
.article-body ul>li::before{
  content:"";position:absolute;left:4px;top:.78em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(38,224,168,.5)
}
.article-body ol{counter-reset:oln}
.article-body ol>li{counter-increment:oln;padding-left:30px}
.article-body ol>li::before{
  content:counter(oln);position:absolute;left:0;top:.35em;width:20px;height:20px;
  border-radius:6px;background:rgba(38,224,168,.14);color:var(--primary);
  font-size:12px;font-weight:700;display:grid;place-items:center;line-height:1;
  font-family:Inter,system-ui,sans-serif
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-radius:14px;
  background:var(--glass);border-left:3px solid var(--primary);
  border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  color:var(--text-sub);font-size:15px;line-height:1.85
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:22px auto;box-shadow:var(--shadow-card);max-width:100%;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-weak);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:14px}
.article-body .table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03)}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body th{background:rgba(255,255,255,.05);color:#fff;font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body hr{border:0;height:1px;margin:32px 0;background:linear-gradient(90deg,transparent,rgba(38,224,168,.35),transparent)}
.article-body code{background:rgba(255,255,255,.08);border-radius:6px;padding:2px 6px;font-size:14px;color:#BFF5E2}

/* ---------- toc ---------- */
.toc-card{
  position:sticky;top:96px;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card)
}
.toc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.toc-title{font-size:14px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px}
.toc-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary);display:block}
.toc-toggle{
  display:none;align-items:center;justify-content:center;width:28px;height:28px;
  border-radius:9px;background:rgba(255,255,255,.07);color:var(--text-sub);font-size:15px;line-height:1;
  transition:transform .25s ease
}
.toc-card.open .toc-toggle{transform:rotate(45deg)}
.toc-list{display:flex;flex-direction:column;gap:2px;margin-top:10px;max-height:60vh;overflow-y:auto}
.toc-link{
  display:block;font-size:14px;line-height:1.55;color:var(--text-sub);
  padding:7px 10px;border-radius:9px;border-left:2px solid transparent;
  transition:.2s
}
.toc-link:hover{color:#fff;background:rgba(255,255,255,.055)}
.toc-link.active{color:var(--primary);background:rgba(38,224,168,.09);border-left-color:var(--primary)}
.toc-link.sub{padding-left:22px;font-size:13px}

/* ---------- empty ---------- */
.empty-state{
  text-align:left;background:var(--glass);border:1px dashed rgba(38,224,168,.35);
  border-radius:var(--r-card);padding:36px 34px
}
.empty-state h2{font-size:22px;font-weight:700;color:#fff;margin-bottom:10px}
.empty-state p{color:var(--text-sub);margin-bottom:20px}

/* ---------- tags / pager ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--text-weak);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--text-sub);background:rgba(255,255,255,.05);
  border:1px solid var(--line);transition:.2s
}
.tag:hover{border-color:rgba(38,224,168,.5);color:var(--primary)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px}
.pager-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease
}
.pager-card:hover{transform:translateY(-2px);border-color:rgba(38,224,168,.42);box-shadow:var(--shadow-card)}
.pager-kicker{font-size:12px;color:var(--text-weak);letter-spacing:.04em;margin-bottom:8px}
.pager-title{font-size:17px;font-weight:700;color:var(--text);line-height:1.5}
.pager-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--primary)}

/* ---------- section ---------- */
.section{padding-top:var(--gap-section)}
.section-head{max-width:720px;margin-bottom:32px}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);margin-bottom:12px}
.section-eyebrow::before{content:"";width:18px;height:1px;background:var(--primary);display:block}
.section-title{font-size:30px;line-height:1.4;font-weight:800;color:#fff;letter-spacing:-.01em}
.section-desc{margin-top:12px;font-size:15px;color:var(--text-sub);line-height:1.8}

/* ---------- post cards ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(38,224,168,.42);box-shadow:var(--shadow-card)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0A1224}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,22,0) 40%,rgba(6,11,22,.55))}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:17px;line-height:1.55;font-weight:700;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-excerpt{font-size:14px;line-height:1.7;color:var(--text-sub);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-weak)}
.post-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary)}
.post-card:hover .post-more .arrow{transform:translateX(4px)}
.post-more .arrow{transition:transform .2s ease}
.badge-line{display:inline-flex;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;align-items:center;background:rgba(124,108,255,.16);color:#BDB5FF;border:1px solid rgba(124,108,255,.3)}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);overflow:hidden;transition:border-color .22s ease
}
.faq-item.is-open{border-color:rgba(38,224,168,.42)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--text);text-align:left;line-height:1.6
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:rgba(38,224,168,.12);color:var(--primary);font-size:16px;line-height:1;
  transition:transform .25s ease
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text-sub)}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:var(--gap-section);position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:24px;
  padding:48px 44px;backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--shadow-card)
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 220px at 88% 10%,rgba(124,108,255,.24),transparent 70%),
             radial-gradient(420px 240px at 6% 100%,rgba(38,224,168,.22),transparent 70%);
  pointer-events:none
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-title{font-size:26px;font-weight:800;color:#fff;line-height:1.45}
.cta-desc{margin-top:10px;font-size:15px;color:var(--text-sub);max-width:560px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ---------- back list ---------- */
.back-list{display:flex;justify-content:center;margin-top:40px}
.back-list a{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--text-sub);
  border:1px solid var(--line);border-radius:999px;padding:11px 22px;transition:.22s
}
.back-list a:hover{border-color:rgba(38,224,168,.5);color:var(--primary)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);margin-top:var(--gap-section);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-brand .logo-mark{width:28px;height:28px;font-size:14px;border-radius:9px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-weak);max-width:330px}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-weak);line-height:1.7}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-weak)
}
.footer-bottom a{color:var(--text-weak)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--gap-section:80px}
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:32px}
  .article-title{font-size:34px}
  .related-grid{gap:18px}
  .search-box{width:170px}
}
@media (max-width:1023px){
  :root{--gap-section:72px}
  .nav-links{display:none}
  .search-box{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:14px;padding:0 18px}
  .header-right .btn{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:24px;padding-top:36px}
  .toc-card{position:static;order:-1;padding:16px 18px}
  .toc-toggle{display:inline-flex}
  .toc-list{display:none;max-height:none}
  .toc-card.open .toc-list{display:flex}
  .article-panel{padding:26px 22px}
  .article-title{font-size:30px;line-height:1.4}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px 28px;border-radius:20px}
}
@media (max-width:767px){
  :root{--gap-section:48px}
  .container{padding:0 16px}
  .header-inner{padding:0 16px;height:62px}
  .logo{font-size:15px}
  .logo-mark{width:28px;height:28px}
  .header-right{gap:8px}
  .header-right .btn{height:36px;padding:0 14px;font-size:14px}
  .article-hero{padding:24px 0 40px}
  .article-title{font-size:26px;line-height:1.42}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .article-panel{padding:22px 16px;border-radius:16px}
  .crumbs .now{max-width:220px}
  .section-title{font-size:22px;line-height:1.45}
  .section-desc{font-size:14px}
  .related-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager-card{padding:18px}
  .cta-title{font-size:20px}
  .cta-band{padding:28px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .meta-row{gap:8px 14px;font-size:13px}
}
@media (max-width:480px){
  .article-title{font-size:23px}
  .logo{font-size:14px;gap:8px}
  .logo-mark{width:26px;height:26px;font-size:13px}
  .header-right .btn{padding:0 12px;font-size:13px}
  .article-body{font-size:15px}
  .toc-link{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg:#060B16;
  --bg-2:#0A1224;
  --bg-3:#04070F;
  --primary:#26E0A8;
  --primary-deep:#0F9E77;
  --violet:#7C6CFF;
  --amber:#FFB44C;
  --success:#2ED573;
  --danger:#FF5C7C;
  --info:#4CC9F0;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --line:rgba(255,255,255,.14);
  --line-soft:rgba(255,255,255,.08);
  --glass:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  --nav-text:#0E1729;
  --nav-text-2:#33415C;
  --nav-line:#E6EBF2;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(38,224,168,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.35}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--bg-3);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(38,224,168,.3),transparent);border:0;margin:0}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#FFFFFF;
  border-bottom:1px solid var(--nav-line);
  box-shadow:0 1px 8px rgba(14,23,41,.06);
}
.header-inner{display:flex;align-items:center;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(140deg,#26E0A8,#7C6CFF);
  color:#04150F;font-weight:800;font-size:16px;line-height:1;
}
.logo-text{font-size:17px;font-weight:700;color:var(--nav-text);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:15px;color:var(--nav-text-2);
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:#F1F5FB;color:var(--nav-text)}
.nav-link.active{background:#EEF3FA;color:var(--primary-deep);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:#F1F4F9;border:1px solid transparent;border-radius:20px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box:focus-within{background:#fff;border-color:rgba(38,224,168,.7);box-shadow:0 0 0 3px rgba(38,224,168,.18)}
.search-box i{color:#7A8CA6;font-size:13px}
.search-box input{width:165px;border:0;background:transparent;outline:none;color:var(--nav-text);font-size:14px}
.search-box input::placeholder{color:#93A2B8}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;place-items:center;
  background:#F1F4F9;color:var(--nav-text);font-size:17px;
}
.nav-toggle:hover{background:#E7EDF6}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,11,22,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:300;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);
  background:#fff;z-index:301;padding:22px;
  transform:translateX(100%);transition:transform .3s ease;
  overflow-y:auto;display:flex;flex-direction:column;gap:16px;
  box-shadow:-18px 0 50px rgba(6,11,22,.28);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:11px;background:#F1F4F9;color:var(--nav-text);font-size:16px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-link{padding:12px 14px;border-radius:12px;color:var(--nav-text-2);font-size:15px}
.drawer-link:hover{background:#F1F5FB;color:var(--nav-text)}
.drawer-link.active{background:#EEF3FA;color:var(--primary-deep);font-weight:600}
.drawer .search-box{background:#F1F4F9;width:100%}
.drawer .search-box input{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  padding:0 22px;height:40px;line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,opacity .18s ease;
}
.btn-lg{height:48px;padding:0 28px;font-size:16px;border-radius:14px}
.btn-sm{height:34px;padding:0 16px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,#26E0A8,#1FCB98);
  color:#052018;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 30px rgba(38,224,168,.5)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 12px rgba(38,224,168,.35)}
.btn-secondary{
  background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  border:1px solid var(--line);color:var(--text);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-secondary:hover{border-color:rgba(38,224,168,.6);transform:translateY(-1px)}
.btn-light{background:#F1F4F9;color:var(--nav-text)}
.btn-light:hover{background:#E7EDF6}
.btn-ghost{height:auto;padding:0;color:var(--primary);font-weight:600}
.btn-ghost i{transition:transform .2s ease}
.btn-ghost:hover i{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;line-height:1;
  background:rgba(38,224,168,.12);color:var(--primary);
}
.badge-violet{background:rgba(124,108,255,.16);color:#B4A9FF}
.badge-amber{background:rgba(255,180,76,.16);color:var(--amber)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);font-size:13px;background:rgba(255,255,255,.03);
}
.corner-tag{
  position:relative;display:inline-flex;align-items:center;height:30px;padding:0 16px 0 14px;
  background:rgba(124,108,255,.16);color:#BCB2FF;font-size:13px;font-weight:600;
  border-radius:10px 10px 10px 0;
}
.corner-tag::after{
  content:"";position:absolute;left:0;bottom:-6px;width:10px;height:6px;
  background:rgba(124,108,255,.16);clip-path:polygon(0 0,100% 0,0 100%);
}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:76px 0 68px;background:var(--bg)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.32;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 340px at 80% 10%,rgba(38,224,168,.20),transparent 70%),
    radial-gradient(520px 320px at 8% 92%,rgba(124,108,255,.22),transparent 72%),
    linear-gradient(180deg,rgba(6,11,22,.62),rgba(6,11,22,.94));
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero-inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.page-hero h1{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.3;margin:16px 0 18px}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.hero-lead{font-size:16px;color:var(--text-2);max-width:52ch;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* 顶部准备条 */
.prep-bar{
  position:relative;z-index:2;margin-top:48px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-soft);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
}
.prep-item{background:rgba(10,18,36,.72);padding:20px 22px}
.prep-item .k{display:block;font-size:12px;color:var(--text-3);margin-bottom:6px}
.prep-item .v{font-size:15px;font-weight:600;color:var(--text)}
.prep-item .v i{color:var(--primary);font-size:13px;margin-right:6px}

/* ---------- 通用板块头 ---------- */
.section-head{max-width:760px;margin-bottom:44px}
.section-head .corner-tag{margin-bottom:16px}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}

/* ---------- 图文导语区 ---------- */
.intro-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.intro-copy h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:18px}
.intro-copy p{color:var(--text-2);margin-bottom:16px}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:6px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px}
.check-list li i{color:var(--primary);margin-top:6px;font-size:13px;flex:none}
.figure{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/9;
  background:#0A1224;
}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.figure:hover img{transform:scale(1.03)}
.figure-cap{font-size:13px;color:var(--text-3);text-align:center;margin-top:12px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:26px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:15px;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(38,224,168,.6),rgba(124,108,255,.4),rgba(38,224,168,.05));
}
.tl-item{position:relative;padding-left:56px}
.tl-dot{
  position:absolute;left:6px;top:28px;width:20px;height:20px;border-radius:50%;
  background:radial-gradient(circle at 34% 34%,#A6F7DE,var(--primary));
  box-shadow:0 0 0 5px rgba(38,224,168,.12),0 0 20px rgba(38,224,168,.55);
}
.tl-body{display:grid;grid-template-columns:1.45fr .85fr;gap:20px;align-items:stretch}
.tl-card{padding:24px}
.tl-card h3{font-size:19px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:12px}
.tl-index{
  font-size:22px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,#26E0A8,#7C6CFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.tl-card p{color:var(--text-2);font-size:15px}
.tl-side{
  padding:22px;border-radius:var(--radius-card);
  background:rgba(124,108,255,.07);border:1px solid rgba(124,108,255,.22);
}
.tl-side h4{font-size:14px;color:#BCB2FF;font-weight:700;margin-bottom:12px;letter-spacing:.02em}
.tl-side ul{display:flex;flex-direction:column;gap:10px}
.tl-side li{font-size:14px;color:var(--text-2);padding-left:16px;position:relative;line-height:1.75}
.tl-side li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--violet)}

/* ---------- 状态卡 ---------- */
.state-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.state-card{padding:26px;display:flex;flex-direction:column;gap:12px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.state-card:hover{transform:translateY(-2px);border-color:rgba(38,224,168,.32)}
.state-card .ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:17px;
  background:rgba(38,224,168,.12);color:var(--primary);
}
.state-card.warn .ico{background:rgba(255,180,76,.14);color:var(--amber)}
.state-card.info .ico{background:rgba(76,201,240,.14);color:var(--info)}
.state-card h3{font-size:18px;font-weight:700}
.state-card p{font-size:14.5px;color:var(--text-2)}
.state-card ul{display:flex;flex-direction:column;gap:8px;margin-top:4px;border-top:1px solid var(--line-soft);padding-top:14px}
.state-card li{font-size:14px;color:var(--text-3);padding-left:14px;position:relative}
.state-card li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--primary)}

/* ---------- 设备切换 ---------- */
.device-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.panel-list{display:flex;flex-direction:column;gap:14px}
.panel-row{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;
  border-radius:14px;border:1px solid var(--line-soft);background:rgba(255,255,255,.03);
  transition:border-color .2s ease,transform .2s ease;
}
.panel-row:hover{border-color:rgba(38,224,168,.35);transform:translateY(-2px)}
.panel-row .num{
  flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--primary);background:rgba(38,224,168,.1);
}
.panel-row h3{font-size:16px;font-weight:700;margin-bottom:4px}
.panel-row p{font-size:14px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{border-radius:var(--radius-card);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(18px);overflow:hidden;transition:border-color .2s ease}
.faq-item:hover{border-color:rgba(38,224,168,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-icon{position:relative;flex:none;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 24px 22px;background:rgba(38,224,168,.05);border-top:1px solid var(--line-soft)}
.faq-a p{font-size:15px;color:var(--text-2);padding-top:18px}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;gap:12px;padding:24px;
  border-radius:var(--radius-card);border:1px solid var(--line);background:var(--glass);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(38,224,168,.4);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.related-card.current{border-color:rgba(38,224,168,.55);background:linear-gradient(160deg,rgba(38,224,168,.12),rgba(255,255,255,.03))}
.related-card h3{font-size:18px;font-weight:700}
.related-card p{font-size:14.5px;color:var(--text-2)}
.related-card .more{font-size:14px;color:var(--primary);font-weight:600;margin-top:auto}
.related-card .more i{transition:transform .2s ease;margin-left:6px;font-size:12px}
.related-card:hover .more i{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;padding:52px 44px;
  background:linear-gradient(150deg,rgba(38,224,168,.14),rgba(124,108,255,.14));
  border:1px solid var(--line);text-align:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 220px at 50% 0%,rgba(38,224,168,.28),transparent 70%);
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(22px,3vw,28px);font-weight:800;margin-bottom:14px}
.cta-band p{position:relative;z-index:2;color:var(--text-2);max-width:56ch;margin:0 auto 26px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line-soft);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-3);max-width:34ch;line-height:1.8}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-3)}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .search-box input{width:130px}
  .nav-link{padding:9px 11px;font-size:14.5px}
}
@media (max-width:1180px){
  .search-box{display:none}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .header-actions .header-cta{display:none}
  .section{padding:72px 0}
  .page-hero{padding:56px 0 52px}
  .prep-bar{grid-template-columns:repeat(2,1fr)}
  .intro-layout,.device-layout{grid-template-columns:1fr;gap:32px}
  .state-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .tl-body{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .page-hero{padding:44px 0 40px}
  .hero-lead{font-size:15px}
  .prep-bar{grid-template-columns:1fr}
  .state-grid,.related-grid{grid-template-columns:1fr}
  .timeline::before{left:11px}
  .tl-item{padding-left:42px}
  .tl-dot{left:2px;width:18px;height:18px;top:24px}
  .tl-card,.tl-side{padding:20px}
  .cta-band{padding:36px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .glass,.faq-item{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
  .btn-primary{box-shadow:0 0 16px rgba(38,224,168,.28)}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px}
  .section-head h2,.intro-copy h2,.cta-band h2{font-size:21px}
  .btn-lg{width:100%;padding:0 18px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .cta-actions{flex-direction:column;align-items:stretch}
}

/* roulang page: category3 */
:root{
  --bg:#060B16;
  --bg-soft:#0A1224;
  --bg-deep:#04070F;
  --primary:#26E0A8;
  --primary-deep:#12B98A;
  --primary-ink:#0E8F6B;
  --violet:#7C6CFF;
  --amber:#FFB44C;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#6B7C99;
  --line:rgba(255,255,255,.10);
  --stroke:rgba(255,255,255,.14);
  --nav-bg:#FFFFFF;
  --nav-border:#E6EBF2;
  --nav-soft:#F1F4F9;
  --nav-soft-2:#EEF3FA;
  --nav-text:#0E1729;
  --nav-text-2:#33415C;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-btn:12px;
  --glass:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  --glass-strong:linear-gradient(160deg,rgba(255,255,255,.14),rgba(255,255,255,.04));
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(38,224,168,.35);
  --container:1200px;
  --dur:.25s;
}

*,*::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","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(38,224,168,.35);color:#04140F}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-border);
  box-shadow:0 1px 8px rgba(14,23,41,.06);
}
.nav-inner{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;flex:none}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  color:#04140F;font-size:15px;font-weight:800;
  display:grid;place-items:center;
  box-shadow:0 4px 14px rgba(38,224,168,.28);
}
.brand-text{font-size:17px;font-weight:700;color:var(--nav-text);letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--nav-text-2);
  transition:background var(--dur),color var(--dur),transform var(--dur);
}
.nav-link:hover{background:var(--nav-soft);color:var(--nav-text)}
.nav-link.active{background:var(--nav-soft-2);color:var(--primary-ink);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:var(--nav-soft);border:1px solid transparent;border-radius:20px;
  transition:border-color var(--dur),box-shadow var(--dur),background var(--dur);
}
.search-box svg{flex:none;color:#7B8AA3}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(38,224,168,.18)}
.search-box input{
  width:150px;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--nav-text);
}
.search-box input::placeholder{color:#8A98AE}
.nav-cta{
  height:40px;padding:0 18px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04140F;font-size:15px;font-weight:700;
  display:inline-flex;align-items:center;gap:6px;
  box-shadow:0 8px 22px rgba(38,224,168,.28);
  transition:filter var(--dur),transform var(--dur),box-shadow var(--dur);
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--nav-soft);color:var(--nav-text);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{background:#E7ECF4}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:90;background:rgba(6,11,22,.55);
  opacity:0;pointer-events:none;transition:opacity var(--dur);
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:100;
  width:320px;max-width:86vw;height:100%;
  background:#fff;color:var(--nav-text);
  padding:20px;overflow-y:auto;
  transform:translateX(105%);transition:transform .3s ease;
  box-shadow:-12px 0 40px rgba(6,11,22,.28);
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:10px;background:var(--nav-soft);display:grid;place-items:center;font-size:18px;color:var(--nav-text-2)}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-links a{padding:12px 14px;border-radius:12px;font-size:16px;color:var(--nav-text-2);font-weight:500}
.drawer-links a:hover{background:var(--nav-soft)}
.drawer-links a.active{background:var(--nav-soft-2);color:var(--primary-ink);font-weight:700}
.drawer-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;background:var(--nav-soft);border-radius:14px;margin-bottom:16px}
.drawer-search input{width:100%;border:0;outline:none;background:transparent;font-size:15px;color:var(--nav-text)}
body.locked{overflow:hidden}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:filter var(--dur),transform var(--dur),border-color var(--dur),background var(--dur),box-shadow var(--dur);
}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-block{width:100%}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04140F;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 12px rgba(38,224,168,.28) inset}
.btn-secondary{
  background:rgba(255,255,255,.06);
  border-color:var(--stroke);color:var(--text);
}
.btn-secondary:hover{border-color:rgba(38,224,168,.6);background:rgba(38,224,168,.08)}
.btn-ghost{height:auto;padding:0 2px;color:var(--primary);font-weight:600}
.btn-ghost .arrow{transition:transform var(--dur);display:inline-block}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.btn[disabled]{opacity:.5;box-shadow:none;cursor:not-allowed}

/* ============ 面包屑 ============ */
.breadcrumb{
  font-size:13px;color:var(--text-3);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-2)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:40px 0 76px;
  background:
    radial-gradient(680px 320px at 12% 0%,rgba(38,224,168,.18),transparent 70%),
    radial-gradient(560px 300px at 88% 12%,rgba(124,108,255,.20),transparent 72%),
    linear-gradient(180deg,rgba(6,11,22,.94),rgba(6,11,22,.88)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(circle at 30% 20%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000,transparent 75%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;padding-top:34px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(38,224,168,.12);color:var(--primary);
  border:1px solid rgba(38,224,168,.28);
  margin-bottom:20px;
}
.hero h1{
  font-size:40px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--primary),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

.glass-card{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
  padding:24px;
  transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur);
}
.hero-panel{padding:26px}
.hero-panel h2{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}
.hero-panel p{font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:16px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:6px 13px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--text-2);
  transition:border-color var(--dur),color var(--dur),background var(--dur);
}
.tag:hover{border-color:rgba(38,224,168,.55);color:var(--primary);background:rgba(38,224,168,.08)}
.hero-panel .panel-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section-deep{background:var(--bg-deep)}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:44px}
.section-label{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);margin-bottom:12px;
}
.section-head h2{font-size:30px;line-height:1.4;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text-2)}
.divider{height:1px;border:0;background:linear-gradient(90deg,transparent,rgba(38,224,168,.30),transparent);margin:0}

/* ============ 双栏对比卡 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.compare-card{padding:28px}
.compare-card.self{border-color:rgba(38,224,168,.30)}
.compare-card.shift{border-color:rgba(124,108,255,.32)}
.compare-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.compare-icon{
  width:40px;height:40px;border-radius:12px;flex:none;
  display:grid;place-items:center;font-size:18px;font-weight:800;
}
.compare-card.self .compare-icon{background:rgba(38,224,168,.14);color:var(--primary)}
.compare-card.shift .compare-icon{background:rgba(124,108,255,.16);color:#A99CFF}
.compare-head h3{font-size:20px;font-weight:700;line-height:1.4}
.compare-sub{font-size:14px;color:var(--text-3);margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:16px}
.check-list li{
  display:flex;gap:12px;padding:14px 16px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-md);
  transition:border-color var(--dur),transform var(--dur),background var(--dur);
}
.check-list li:hover{border-color:rgba(38,224,168,.4);transform:translateY(-2px);background:rgba(255,255,255,.06)}
.check-list .dot{
  width:8px;height:8px;border-radius:50%;flex:none;margin-top:10px;
  background:var(--primary);box-shadow:0 0 10px rgba(38,224,168,.7);
}
.compare-card.shift .check-list .dot{background:var(--violet);box-shadow:0 0 10px rgba(124,108,255,.7)}
.check-list strong{display:block;font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}
.check-list span{font-size:14px;line-height:1.75;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:var(--glass);border:1px solid var(--stroke);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:border-color var(--dur),box-shadow var(--dur);
}
.faq-item:hover{border-color:rgba(38,224,168,.32)}
.faq-item.open{border-color:rgba(38,224,168,.45);box-shadow:0 0 28px rgba(38,224,168,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .3s ease,opacity .3s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s ease,padding .34s ease;
  padding:0 24px;
}
.faq-item.open .faq-a{max-height:340px;padding-bottom:22px}
.faq-a p{
  font-size:15px;line-height:1.85;color:var(--text-2);
  padding:14px 16px;border-radius:var(--radius-md);
  background:rgba(38,224,168,.07);
  border-left:3px solid rgba(38,224,168,.55);
}

/* ============ 相关分类互链 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;padding:0;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-lg);
  transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur);
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(38,224,168,.45);box-shadow:0 18px 44px rgba(0,0,0,.5)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,22,0) 35%,rgba(6,11,22,.75));
}
.related-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:18px;font-weight:700;line-height:1.5}
.related-body p{font-size:14px;line-height:1.75;color:var(--text-2);flex:1}
.related-body .more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.related-body .more .arrow{transition:transform var(--dur)}
.related-card:hover .more .arrow{transform:translateX(4px)}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  padding:44px;
  border-radius:var(--radius-lg);
  background:var(--glass-strong);
  border:1px solid rgba(38,224,168,.28);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;width:320px;height:320px;right:-80px;top:-140px;
  background:radial-gradient(circle,rgba(38,224,168,.28),transparent 68%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:620px}
.cta-text h2{font-size:26px;line-height:1.45;font-weight:800;margin-bottom:10px}
.cta-text p{font-size:15px;color:var(--text-2)}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--text);margin-bottom:14px;
}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-2)}
.footer-list a{transition:color var(--dur),transform var(--dur);display:inline-block}
.footer-list a:hover{color:var(--primary);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:36px}
  .hero-inner{gap:32px}
}
@media (max-width:1023px){
  .nav-links,.nav-actions .search-box,.nav-actions .nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-actions{margin-left:auto}
  .section{padding:72px 0}
  .hero{padding:26px 0 60px}
  .hero-inner{grid-template-columns:1fr;padding-top:24px}
  .hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .compare-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section-head h2{font-size:26px}
  .glass-card,.hero-panel{backdrop-filter:blur(12px) saturate(130%);-webkit-backdrop-filter:blur(12px) saturate(130%)}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero{padding:18px 0 48px}
  .hero h1{font-size:28px;line-height:1.4}
  .hero-lead{font-size:15px}
  .section-head h2{font-size:22px;line-height:1.5}
  .section-head{margin-bottom:28px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .cta-text h2{font-size:21px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-item.open .faq-a{max-height:460px;padding-bottom:18px}
  .faq-a{padding:0 18px}
  .compare-card{padding:22px}
  .glass-card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn-lg{width:100%}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
  .btn{box-shadow:none}
  .btn-primary{box-shadow:0 0 12px rgba(38,224,168,.25)}
}
@media (max-width:480px){
  .hero h1{font-size:25px}
  .brand-text{font-size:15px}
  .nav-inner{height:62px;gap:12px}
  .logo-mark{width:28px;height:28px;font-size:14px}
}