/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --primary:#00E0B8;
  --primary-glow:#3AFFDD;
  --amber:#FFC24B;
  --danger:#FF4D6D;
  --surface:rgba(255,255,255,.055);
  --surface-2:rgba(255,255,255,.08);
  --border-glass:rgba(160,200,255,.14);
  --border-soft:rgba(160,200,255,.08);
  --text-1:#EAF2FF;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --radius-card:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --glow-primary:0 0 24px rgba(0,224,184,.35);
  --container:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
  --t:180ms;
  --num:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(160,200,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(160,200,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary-glow);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.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;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);background:rgba(5,8,15,.86);border-bottom:1px solid var(--border-soft);}
.brandbar{height:64px;display:flex;align-items:center;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:-.3px;flex:0 0 auto;}
.logo-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#00997e);box-shadow:var(--glow-primary);display:flex;align-items:center;justify-content:center;color:#04120F;font-weight:900;font-size:14px;font-family:var(--num);}
.searchbox{flex:1 1 auto;max-width:420px;margin-left:12px;position:relative;}
.searchbox input{width:100%;height:40px;border-radius:var(--radius-btn);border:1px solid var(--border-glass);background:var(--surface);padding:0 44px 0 16px;color:var(--text-1);font-size:14px;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);}
.searchbox input::placeholder{color:var(--text-3);}
.searchbox input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.18);outline:none;}
.searchbox .sicon{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--text-3);fill:none;stroke-width:1.6;pointer-events:none;}
.brandbar-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);white-space:nowrap;}
.btn-primary{background:var(--primary);color:#04120F;box-shadow:0 0 18px rgba(0,224,184,.28);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 30px rgba(0,224,184,.5);background:var(--primary-glow);}
.btn-ghost{border:1px solid var(--border-glass);background:transparent;color:var(--text-1);}
.btn-ghost:hover{background:var(--surface-2);border-color:rgba(160,200,255,.3);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:10px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);font-size:14px;transition:color var(--t) var(--ease),gap var(--t) var(--ease);}
.btn-text:hover{color:var(--primary);gap:10px;}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border-glass);align-items:center;justify-content:center;}
.hamburger span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

.channelbar{height:48px;border-top:1px solid var(--border-soft);background:rgba(10,17,32,.6);position:relative;}
.channelbar::before,.channelbar::after{content:"";position:absolute;top:0;bottom:0;width:40px;pointer-events:none;z-index:2;}
.channelbar::before{left:0;background:linear-gradient(90deg,var(--bg-0),transparent);}
.channelbar::after{right:0;background:linear-gradient(270deg,var(--bg-0),transparent);}
.channels{display:flex;align-items:center;gap:26px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channels::-webkit-scrollbar{display:none;}
.channels a{position:relative;font-size:14.5px;color:var(--text-2);white-space:nowrap;padding:2px 0;transition:color var(--t) var(--ease);}
.channels a::after{content:"";position:absolute;left:0;right:0;bottom:-13px;height:2px;background:var(--primary);box-shadow:var(--glow-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease);}
.channels a:hover{color:var(--text-1);}
.channels a.is-active{color:var(--primary-glow);font-weight:600;}
.channels a.is-active::after{transform:scaleX(1);}
.drawer{display:none;}
.drawer.open{display:block;position:fixed;inset:112px 0 0;background:rgba(5,8,15,.98);z-index:99;padding:24px;overflow-y:auto;}
.drawer a{display:block;padding:15px 4px;border-bottom:1px solid var(--border-soft);color:var(--text-1);font-size:16px;}
.drawer a.is-active{color:var(--primary-glow);}

/* ---------- hero ---------- */
.hero{position:relative;padding:56px 0 64px;overflow:hidden;}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(120% 80% at 8% 0%,rgba(0,224,184,.10),transparent 60%),radial-gradient(90% 70% at 95% 10%,rgba(255,194,75,.08),transparent 62%);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;min-height:560px;position:relative;z-index:1;}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.3px;background:rgba(0,224,184,.12);color:var(--primary-glow);border:1px solid rgba(0,224,184,.3);}
.badge-amber{background:rgba(255,194,75,.12);color:var(--amber);border-color:rgba(255,194,75,.3);}
.badge-red{background:rgba(255,77,109,.14);color:var(--danger);border-color:rgba(255,77,109,.3);}
.badge-plain{background:var(--surface);color:var(--text-2);border-color:var(--border-glass);}
.hero h1{font-size:44px;font-weight:800;letter-spacing:-.5px;margin:18px 0 0;line-height:1.24;}
.hero h1 .accent{color:var(--primary-glow);}
.hero .lead{margin-top:16px;font-size:17px;color:var(--text-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:44px;padding-top:26px;border-top:1px solid var(--border-soft);}
.hero-stats .stat{display:flex;flex-direction:column;gap:4px;}
.hero-stats .stat b{font-size:26px;color:var(--text-1);font-family:var(--num);font-variant-numeric:tabular-nums;}
.hero-stats .stat span{font-size:12.5px;color:var(--text-3);}
.hero-visual{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--border-glass);box-shadow:var(--shadow-card);}
.hero-visual img{width:100%;height:420px;object-fit:cover;display:block;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.15),rgba(5,8,15,.62));}
.hero-visual .arc{position:absolute;inset:0;pointer-events:none;background:radial-gradient(80% 60% at 80% 100%,rgba(0,224,184,.22),transparent 70%);}
.float-card{position:absolute;right:16px;bottom:16px;z-index:2;padding:12px 16px;border-radius:var(--radius-sm);background:rgba(14,23,40,.72);border:1px solid var(--border-glass);backdrop-filter:blur(14px);font-size:13px;color:var(--text-1);display:flex;align-items:center;gap:8px;}
.float-card .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:var(--glow-primary);}

/* ---------- sections ---------- */
.section{padding:48px 0;}
.section-lg{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:-.3px;}
.section-head .sub{margin-top:8px;font-size:14px;color:var(--text-3);}
.divider{height:1px;background:var(--border-soft);border:0;margin:0;}

/* ---------- feature grid 1+2 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{position:relative;display:block;background:var(--surface);border:1px solid var(--border-glass);border-radius:var(--radius-card);overflow:hidden;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);}
.card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.42);box-shadow:var(--shadow-card);}
.card-media{position:relative;overflow:hidden;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.corner{position:absolute;left:12px;top:12px;z-index:2;height:24px;padding:0 10px;display:inline-flex;align-items:center;border-radius:999px;font-size:12px;font-weight:600;background:rgba(5,8,15,.6);border:1px solid var(--border-glass);color:var(--text-1);backdrop-filter:blur(10px);}
.corner.hot{background:rgba(255,77,109,.85);color:#fff;border-color:transparent;}
.feature-main{grid-column:span 7;}
.feature-main .card-media{aspect-ratio:16/9;}
.feature-side{grid-column:span 5;display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.feature-side .card-media{aspect-ratio:16/7;}
.card-body{padding:20px;}
.card-body h3{font-size:19px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{margin-top:10px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px;font-size:13px;color:var(--text-3);}
.card-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--text-3);}

/* ---------- item grid ---------- */
.item-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.item-card .card-media{aspect-ratio:16/10;border-radius:14px;overflow:hidden;}
.item-card{border-radius:var(--radius-sm);}
.item-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--border-soft);}
.item-foot .state{font-size:13.5px;color:var(--amber);font-weight:600;}
.arrow-btn{width:34px;height:34px;border-radius:10px;border:1px solid var(--border-glass);display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);}
.card:hover .arrow-btn{background:var(--primary);color:#04120F;border-color:transparent;}

/* ---------- reviews ---------- */
.reviews{overflow:hidden;}
.rv-viewport{overflow:hidden;}
.rv-track{display:flex;gap:20px;transition:transform 420ms var(--ease);}
.rv-card{flex:0 0 calc((100% - 40px)/3);background:var(--bg-2);border:1px solid var(--border-glass);border-radius:var(--radius-card);padding:24px;display:flex;flex-direction:column;gap:16px;align-items:stretch;}
.rv-stars{display:flex;gap:4px;color:var(--amber);font-size:14px;letter-spacing:2px;}
.rv-text{font-size:14.5px;color:var(--text-2);min-height:96px;}
.rv-person{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,rgba(0,224,184,.35),rgba(255,194,75,.3));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--text-1);}
.rv-person b{display:block;font-size:14px;color:var(--text-1);font-weight:600;}
.rv-person span{font-size:12.5px;color:var(--text-3);}
.rv-controls{display:flex;align-items:center;justify-content:space-between;margin-top:24px;}
.rv-arrows{display:flex;gap:10px;}
.rv-arrows button{width:40px;height:40px;border-radius:12px;border:1px solid var(--border-glass);color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:background var(--t) var(--ease),color var(--t) var(--ease);}
.rv-arrows button:hover{background:var(--surface-2);color:var(--text-1);}
.rv-dots{display:flex;gap:8px;}
.rv-dots button{width:8px;height:8px;border-radius:50%;background:rgba(160,200,255,.25);transition:all var(--t) var(--ease);}
.rv-dots button.is-on{width:22px;border-radius:999px;background:var(--primary);box-shadow:var(--glow-primary);}

/* ---------- guarantee bar ---------- */
.guard{padding:0;}
.guard-inner{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;padding:22px 26px;border-radius:var(--radius-card);background:var(--surface);border:1px solid var(--border-glass);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.guard-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.guard-item svg{flex:0 0 auto;width:24px;height:24px;stroke:var(--primary);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- cms list ---------- */
.cms-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.cms-lead{background:var(--surface);border:1px solid var(--border-glass);border-radius:var(--radius-card);overflow:hidden;display:block;transition:transform var(--t) var(--ease),border-color var(--t) var(--ease);}
.cms-lead:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.42);}
.cms-lead .card-media{aspect-ratio:16/9;}
.cms-rows{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--border-glass);border-radius:var(--radius-card);overflow:hidden;}
.cms-rows li+li{border-top:1px solid var(--border-soft);}
.cms-rows a{display:block;padding:16px 20px;transition:background var(--t) var(--ease),transform var(--t) var(--ease);}
.cms-rows a:hover{background:var(--surface-2);transform:translateX(4px);}
.cms-rows h3{font-size:15.5px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-rows p{margin-top:6px;font-size:13.5px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-rows .row-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12.5px;color:var(--text-3);}
.empty-state{padding:56px 24px;text-align:center;border:1px dashed var(--border-glass);border-radius:var(--radius-card);background:var(--surface);}
.empty-state svg{width:56px;height:56px;stroke:var(--text-3);fill:none;stroke-width:1.2;margin:0 auto 14px;}
.empty-state p{font-size:14.5px;color:var(--text-2);}

/* ---------- cta band ---------- */
.cta-band{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--border-glass);background:var(--bg-2);}
.cta-band .cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.22;}
.cta-band .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:38px 40px;backdrop-filter:blur(6px);}
.cta-band h2{font-size:24px;font-weight:700;}
.cta-band p{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{border:1px solid var(--border-glass);border-radius:var(--radius-sm);background:var(--surface);overflow:hidden;transition:border-color var(--t) var(--ease);}
.faq-item:hover{border-color:rgba(160,200,255,.3);}
.faq-item.is-open{border-color:rgba(0,224,184,.45);}
.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-1);}
.faq-q .chev{width:18px;height:18px;flex:0 0 auto;stroke:var(--text-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform 240ms var(--ease);}
.faq-item.is-open .chev{transform:rotate(180deg);stroke:var(--primary);}
.faq-a{max-height:0;overflow:hidden;background:rgba(0,0,0,.24);transition:max-height 240ms var(--ease);}
.faq-a p{padding:16px 22px 20px;font-size:14.5px;color:var(--text-2);}

/* ---------- footer ---------- */
.site-footer{margin-top:48px;border-top:1px solid var(--border-soft);background:var(--bg-1);}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:36px;padding:56px 0 40px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);max-width:280px;}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--text-2);transition:color var(--t) var(--ease);}
.footer-col a:hover{color:var(--primary-glow);}
.sub-form{display:flex;gap:10px;margin-top:16px;}
.sub-form input{flex:1;height:44px;border-radius:var(--radius-btn);border:1px solid var(--border-glass);background:var(--surface);padding:0 14px;color:var(--text-1);font-size:14px;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.18);outline:none;}
.sub-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,77,109,.18);}
.sub-msg{margin-top:10px;font-size:12.5px;color:var(--text-3);min-height:18px;}
.sub-msg.err{color:var(--danger);}
.sub-msg.ok{color:var(--primary);}
.footer-bottom{border-top:1px solid var(--border-soft);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap;}

/* ---------- responsive ---------- */
@media (min-width:1440px){
  .hero h1{font-size:48px;}
}
@media (max-width:1280px){
  .container{max-width:92%;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px;min-height:auto;}
  .hero-visual img{height:360px;}
  .item-grid{grid-template-columns:repeat(3,1fr);}
  .feature-main{grid-column:span 12;}
  .feature-side{grid-column:span 12;grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .cms-layout{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .guard-inner{grid-template-columns:repeat(3,1fr);gap:16px;}
  .rv-card{flex:0 0 calc((100% - 20px)/2);}
}
@media (max-width:768px){
  .searchbox{display:none;}
  .hamburger{display:inline-flex;}
  .brandbar{gap:12px;}
  .hero{padding:36px 0 48px;}
  .hero h1{font-size:32px;}
  .hero-visual img{height:280px;}
  .section{padding:38px 0;}
  .section-lg{padding:48px 0;}
  .section-head h2{font-size:24px;}
  .item-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .card-body{padding:16px;}
  .card-body h3{font-size:17px;}
  .guard-inner{grid-template-columns:1fr 1fr;padding:18px 20px;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:40px 0 28px;}
  .rv-card{flex:0 0 86%;}
}
@media (max-width:520px){
  .container{padding:0 18px;max-width:100%;}
  .hero h1{font-size:28px;}
  .hero .lead{font-size:15.5px;}
  .hero-stats{gap:24px;}
  .hero-stats .stat b{font-size:22px;}
  .hero-visual img{height:220px;}
  .feature-side{grid-template-columns:1fr;}
  .item-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .guard-inner{grid-template-columns:1fr;}
  .brandbar-actions .btn-primary{height:38px;padding:0 14px;font-size:13.5px;}
  .channels{gap:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .card:hover{transform:none;}
  .rv-track{transition:none;}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --surface:rgba(255,255,255,.055);
  --surface-2:rgba(255,255,255,.09);
  --border-glass:rgba(160,200,255,.14);
  --border-strong:rgba(160,200,255,.3);
  --primary:#00E0B8;
  --primary-glow:#3AFFDD;
  --accent:#FFC24B;
  --danger:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --glow-primary:0 0 24px rgba(0,224,184,.35);
  --container:1200px;
  --gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,monospace;
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.7;
  color:var(--text-2);
  background:var(--bg-0);
  background-image:
    linear-gradient(rgba(160,200,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(160,200,255,.035) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.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-inline:var(--gutter);
}

/* ============ 顶部品牌行 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(5,8,15,.92);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border-glass);
}
.brandbar{height:64px;display:flex;align-items:center}
.brandbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-inline:var(--gutter);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.3px;
  color:var(--text-1);
  flex:0 0 auto;
}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,var(--primary),#0a8f7a);
  color:#03130f;
  font-size:17px;
  font-weight:800;
  box-shadow:var(--glow-primary);
}
.search{
  flex:1 1 auto;
  max-width:420px;
  position:relative;
  display:flex;
  align-items:center;
}
.search svg{position:absolute;left:14px;width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.6}
.search input{
  width:100%;
  height:40px;
  padding:0 14px 0 38px;
  border-radius:var(--radius-pill);
  border:1px solid var(--border-glass);
  background:var(--surface);
  color:var(--text-1);
  font-size:14px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.07);
  box-shadow:0 0 0 3px rgba(0,224,184,.16);
}
.brandbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}

/* ============ 频道行 ============ */
.channels{
  display:flex;
  align-items:center;
  gap:6px;
  height:48px;
  overflow-x:auto;
  overflow-y:hidden;
  white-space:nowrap;
  padding-inline:max(var(--gutter),calc((100% - var(--container)) / 2 + var(--gutter)));
  background:rgba(10,17,32,.72);
  border-bottom:1px solid var(--border-glass);
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}
.channels::-webkit-scrollbar{display:none}
.channels a{
  position:relative;
  flex:0 0 auto;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  font-size:14px;
  color:var(--text-2);
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.channels a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.channels a.is-active{color:var(--primary-glow)}
.channels a.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:var(--glow-primary);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
  background:transparent;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{
  background:var(--primary);
  color:#03130f;
  box-shadow:0 0 0 rgba(0,224,184,0);
}
.btn-primary:hover{
  background:var(--primary-glow);
  transform:translateY(-1px);
  box-shadow:0 0 28px rgba(0,224,184,.45);
}
.btn-ghost{
  border-color:var(--border-glass);
  background:var(--surface);
  color:var(--text-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--border-strong)}
.btn-text{
  padding:0 4px;
  height:auto;
  color:var(--primary);
  font-weight:600;
}
.btn-text:hover{color:var(--primary-glow);transform:translateX(2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:3px 8px;
  font-size:12px;
  line-height:1.5;
  border-radius:var(--radius-pill);
  border:1px solid var(--border-glass);
  background:var(--surface);
  color:var(--text-2);
}
.badge-primary{color:var(--primary-glow);border-color:rgba(0,224,184,.36);background:rgba(0,224,184,.1)}
.badge-accent{color:var(--accent);border-color:rgba(255,194,75,.34);background:rgba(255,194,75,.1)}
.badge-danger{color:var(--danger);border-color:rgba(255,77,109,.36);background:rgba(255,77,109,.1)}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  padding:22px 0 0;
  font-size:13px;
  color:var(--text-3);
}
.crumbs a{color:var(--text-2);transition:color 180ms var(--ease)}
.crumbs a:hover{color:var(--primary-glow)}
.crumbs .sep{color:rgba(160,200,255,.28)}
.crumbs .current{
  color:var(--text-2);
  max-width:min(420px,60vw);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ 文章头 ============ */
.article-head{
  max-width:820px;
  margin:0 auto;
  padding:28px 0 32px;
}
.article-head .kicker{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:16px;
}
.article-head h1{
  font-size:44px;
  font-weight:800;
  letter-spacing:-.5px;
  line-height:1.24;
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(160,200,255,.35);display:inline-block}
.article-meta .num{font-family:var(--font-num);letter-spacing:.5px;color:var(--text-2);font-size:14px}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:48px;
  max-width:1060px;
  margin:0 auto;
  padding:8px 0 0;
}
.toc{display:none}
.article-main{min-width:0}

.article-figure{
  margin:0 0 34px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border-glass);
  background:var(--bg-1);
}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;margin:0}
.article-figure figcaption{
  padding:10px 16px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--border-glass);
}

/* ============ 正文排版 ============ */
.article-body{
  max-width:780px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
}
.article-body > * + *{margin-top:1.2em}
.article-body h2{
  font-size:26px;
  font-weight:700;
  color:var(--text-1);
  margin-top:2em;
  padding-left:14px;
  position:relative;
  letter-spacing:-.2px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  box-shadow:var(--glow-primary);
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  color:var(--text-1);
  margin-top:1.7em;
}
.article-body p{margin:0}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(0,224,184,.35);transition:color 180ms var(--ease)}
.article-body a:hover{color:var(--primary-glow)}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body ul,.article-body ol{padding-left:1.35em}
.article-body li{margin:.5em 0}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--accent);font-family:var(--font-num);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;
  padding:14px 20px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  background:var(--surface);
  color:var(--text-1);
  box-shadow:inset 0 0 24px rgba(0,224,184,.06);
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--radius-md);border:1px solid var(--border-glass);margin:1.6em 0}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body code{
  font-family:var(--font-num);
  font-size:.92em;
  padding:2px 6px;
  border-radius:6px;
  background:rgba(0,224,184,.1);
  color:var(--primary-glow);
}
.article-body pre{
  margin:1.6em 0;
  padding:18px 20px;
  border-radius:var(--radius-md);
  border:1px solid var(--border-glass);
  background:var(--bg-2);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:var(--text-2)}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
}
.article-body th,.article-body td{
  padding:10px 14px;
  border:1px solid var(--border-glass);
  text-align:left;
  white-space:nowrap;
}
.article-body th{background:var(--surface);color:var(--text-1);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--border-glass);margin:2em 0}

/* ============ 空态 ============ */
.empty-state{
  max-width:780px;
  padding:44px 28px;
  border-radius:var(--radius-lg);
  border:1px dashed var(--border-strong);
  background:var(--surface);
  text-align:center;
}
.empty-state .glyph{
  width:64px;height:64px;
  margin:0 auto 16px;
  border-radius:20px;
  display:grid;place-items:center;
  border:1px solid var(--border-glass);
  background:var(--bg-2);
}
.empty-state .glyph svg{width:28px;height:28px;stroke:var(--text-3);fill:none;stroke-width:1.5}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{font-size:15px;color:var(--text-3);margin-bottom:20px}

/* ============ 文末区 ============ */
.article-foot{max-width:780px;margin-top:52px}
.tag-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-bottom:22px;border-bottom:1px solid var(--border-glass)}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:2px}
.share-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0;
}
.share-row .share-label{font-size:13px;color:var(--text-3)}
.share-group{display:flex;gap:8px;flex-wrap:wrap}
.share-btn{
  height:38px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--border-glass);
  background:var(--surface);
  color:var(--text-2);
  font-size:14px;
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.share-btn:hover{color:var(--primary-glow);border-color:rgba(0,224,184,.4);background:rgba(0,224,184,.08)}
.share-btn.is-done{color:var(--primary-glow);border-color:rgba(0,224,184,.5)}

/* 上下篇 */
.prevnext{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin-top:8px;
}
.prevnext a{
  display:block;
  padding:18px 20px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-glass);
  background:var(--surface);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.prevnext a:hover{transform:translateY(-2px);border-color:var(--border-strong);background:rgba(255,255,255,.08)}
.prevnext .dir{
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.5px;
  display:block;
  margin-bottom:8px;
}
.prevnext .ttl{
  font-size:15px;
  color:var(--text-1);
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  line-height:1.5;
}
.prevnext .right{text-align:right}

/* ============ 相关推荐 ============ */
.related{
  margin-top:88px;
  padding-top:56px;
  border-top:1px solid var(--border-glass);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.3px}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gutter);
}
.card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-glass);
  background:var(--surface);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:0 14px 38px rgba(0,0,0,.5)}
.card-cover{position:relative;overflow:hidden;background:var(--bg-2)}
.card-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 400ms var(--ease)}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover .corner{
  position:absolute;
  top:10px;left:10px;
  padding:3px 8px;
  font-size:12px;
  border-radius:var(--radius-pill);
  background:rgba(5,8,15,.62);
  border:1px solid var(--border-glass);
  color:var(--text-1);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  margin-top:auto;
}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 20px 18px;
}
.card-foot .state{font-size:13px;color:var(--accent);font-family:var(--font-num);letter-spacing:.5px}
.arrow-btn{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--border-glass);
  background:rgba(255,255,255,.04);
  transition:background 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease);
}
.card:hover .arrow-btn{background:var(--primary);border-color:var(--primary);transform:translateX(2px)}
.arrow-btn svg{width:15px;height:15px;stroke:var(--text-1);fill:none;stroke-width:2;transition:stroke 180ms var(--ease)}
.card:hover .arrow-btn svg{stroke:#03130f}

/* ============ 返回入口 ============ */
.back-row{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
  margin-top:72px;
  padding-bottom:96px;
}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--border-glass);
  background:var(--bg-1);
  padding-top:64px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:280px;line-height:1.7}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-3);transition:color 180ms var(--ease)}
.footer-col a:hover{color:var(--primary-glow)}
.sub-form{display:flex;gap:8px;margin-top:12px}
.sub-form input{
  flex:1 1 auto;
  min-width:0;
  height:38px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--border-glass);
  background:var(--surface);
  color:var(--text-1);
  font-size:14px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16)}
.sub-form.is-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,77,109,.14)}
.sub-msg{margin-top:10px;font-size:13px;color:var(--text-3);min-height:18px}
.sub-msg.is-ok{color:var(--primary-glow)}
.sub-msg.is-error{color:var(--danger)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid var(--border-glass);
  font-size:13px;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .article-layout{
    grid-template-columns:200px minmax(0,780px);
    justify-content:center;
    align-items:start;
  }
  .toc{
    display:block;
    position:sticky;
    top:132px;
  }
  .toc .toc-title{
    font-size:12px;
    letter-spacing:1.5px;
    color:var(--text-3);
    text-transform:uppercase;
    margin-bottom:14px;
  }
  .toc ol{list-style:none;padding:0;display:flex;flex-direction:column;gap:4px}
  .toc a{
    display:block;
    padding:7px 12px;
    font-size:13.5px;
    color:var(--text-3);
    border-left:2px solid transparent;
    border-radius:0 var(--radius-sm) var(--radius-sm) 0;
    transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
  .toc a:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
  .toc a.is-current{color:var(--primary-glow);border-left-color:var(--primary);background:rgba(0,224,184,.07);box-shadow:-6px 0 20px -10px rgba(0,224,184,.7)}
}

@media (max-width:1280px){
  .container{padding-inline:24px}
  .channels{padding-inline:24px}
}

@media (max-width:1024px){
  .article-head h1{font-size:36px}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:none}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:860px){
  .search{display:none}
  .article-layout{gap:32px}
}

@media (max-width:768px){
  body{font-size:16px}
  .brandbar{height:60px}
  .brandbar-inner{gap:12px}
  .logo{font-size:15.5px}
  .logo-mark{width:30px;height:30px;border-radius:10px;font-size:15px}
  .channels{height:44px;gap:4px}
  .channels a{font-size:13.5px;padding:5px 10px}
  .crumbs{padding-top:18px}
  .crumbs .current{max-width:100%;white-space:normal}
  .article-head{padding:22px 0 26px}
  .article-head h1{font-size:32px;letter-spacing:-.3px}
  .article-meta{gap:10px;font-size:12.5px}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:17.5px}
  .prevnext{grid-template-columns:minmax(0,1fr)}
  .prevnext .right{text-align:left}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .related{margin-top:64px;padding-top:44px}
  .section-head h2{font-size:23px}
  .back-row{margin-top:56px;padding-bottom:72px}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding-bottom:36px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (max-width:520px){
  .container{padding-inline:16px}
  .channels{padding-inline:16px}
  .brandbar-inner{padding-inline:16px}
  .article-head h1{font-size:27px}
  .article-figure{border-radius:var(--radius-md)}
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .share-row{flex-direction:column;align-items:flex-start}
  .back-row{gap:12px}
  .back-row .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  .card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --primary:#00E0B8;
  --primary-glow:#3AFFDD;
  --amber:#FFC24B;
  --danger:#FF4D6D;
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --surface:rgba(255,255,255,.055);
  --border-glass:rgba(160,200,255,.14);
  --text-1:#EAF2FF;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --radius-card:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --glow-primary:0 0 24px rgba(0,224,184,.35);
  --ease:cubic-bezier(.4,0,.2,1);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(160,200,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(160,200,255,.032) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 70%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 70%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,select,button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.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}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{width:min(var(--container),92%);margin:0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#0FC79F);
  color:#03150F;
  box-shadow:0 6px 18px rgba(0,224,184,.22);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow-primary),0 10px 22px rgba(0,224,184,.26)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--border-glass);
  color:var(--text-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(160,200,255,.3);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-link{
  background:none;border:0;color:var(--primary);font-size:15px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;padding:6px 2px;cursor:pointer;
  transition:gap .18s var(--ease),color .18s var(--ease);
}
.btn-link:hover{gap:12px;color:var(--primary-glow)}
:focus-visible{outline:2px solid var(--primary-glow);outline-offset:2px;border-radius:8px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80}
.brand-bar{
  background:rgba(5,8,15,.94);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--border-glass);
}
.brand-inner{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:-.2px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#0AA88C);
  color:#04140F;font-size:16px;font-weight:800;box-shadow:var(--glow-primary);
}
.search{position:relative;flex:1;max-width:420px}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.6}
.search input{
  width:100%;height:40px;border-radius:12px;padding:0 14px 0 38px;
  background:rgba(255,255,255,.05);border:1px solid var(--border-glass);
  color:var(--text-1);font-size:14px;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16);background:rgba(255,255,255,.08)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border-glass);background:rgba(255,255,255,.04);
  cursor:pointer;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.channels-row{
  background:rgba(10,17,32,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-glass);
}
.channels{
  display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;
  scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 26px,#000 calc(100% - 26px),transparent);
  mask-image:linear-gradient(90deg,transparent,#000 26px,#000 calc(100% - 26px),transparent);
}
.channels::-webkit-scrollbar{display:none}
.channels a{
  position:relative;white-space:nowrap;font-size:15px;font-weight:500;
  color:var(--text-2);padding:4px 0;transition:color .18s var(--ease);
}
.channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:var(--glow-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.channels a:hover{color:var(--text-1)}
.channels a.is-active{color:var(--primary-glow)}
.channels a.is-active::after{transform:scaleX(1)}

.mobile-drawer{
  display:none;background:rgba(8,13,24,.98);border-bottom:1px solid var(--border-glass);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.mobile-drawer.is-open{display:block}
.mobile-drawer ul{padding:12px 0 18px;display:flex;flex-direction:column}
.mobile-drawer a{display:block;padding:12px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid rgba(160,200,255,.08)}
.mobile-drawer a.is-active{color:var(--primary-glow);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 52px;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center right;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.88) 0%,rgba(5,8,15,.94) 55%,var(--bg-0) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(115deg,rgba(0,224,184,.06) 0%,transparent 42%);
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-3);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.55}
.crumbs .now{color:var(--text-2)}
.page-hero h1{
  font-size:44px;font-weight:800;letter-spacing:-.5px;line-height:1.22;
  max-width:840px;
}
.hero-lead{margin-top:18px;max-width:760px;font-size:16.5px;line-height:1.85;color:var(--text-2)}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:34px}
.stat b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;color:var(--text-1);line-height:1.2}
.stat b em{font-style:normal;color:var(--primary);font-size:16px;margin-left:2px}
.stat span{font-size:13px;color:var(--text-3)}
.channel-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.channel-chips a{
  font-size:13.5px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--border-glass);background:rgba(255,255,255,.04);
  color:var(--text-2);transition:all .18s var(--ease);
}
.channel-chips a:hover{color:var(--text-1);border-color:rgba(160,200,255,.32);transform:translateY(-1px)}
.channel-chips a.is-active{
  color:#04140F;background:linear-gradient(135deg,var(--primary),#0FC79F);
  border-color:transparent;font-weight:600;box-shadow:var(--glow-primary);
}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0}
.section-alt{background:var(--bg-1);border-top:1px solid rgba(160,200,255,.07);border-bottom:1px solid rgba(160,200,255,.07)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.sec-title{font-size:30px;font-weight:700;letter-spacing:-.3px}
.sec-desc{margin-top:10px;font-size:15px;color:var(--text-3);max-width:620px}

/* ---------- 筛选条 ---------- */
.filters{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--border-glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  margin-bottom:30px;
}
.chip-group{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  font-size:13px;padding:8px 16px;border-radius:999px;cursor:pointer;
  border:1px solid var(--border-glass);background:rgba(255,255,255,.04);
  color:var(--text-2);transition:all .18s var(--ease);
}
.chip:hover{color:var(--text-1);border-color:rgba(160,200,255,.32)}
.chip.is-on{
  color:#04140F;font-weight:600;border-color:transparent;
  background:linear-gradient(135deg,var(--primary),#0FC79F);
  box-shadow:0 0 18px rgba(0,224,184,.28);
}
.sort-wrap{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.sort-wrap select{
  appearance:none;-webkit-appearance:none;
  height:40px;padding:0 34px 0 14px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.05) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7C93' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 13px center;
  border:1px solid var(--border-glass);color:var(--text-1);font-size:14px;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.sort-wrap select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16)}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);border:1px solid var(--border-glass);
  background:var(--surface);box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:0 14px 36px rgba(0,0,0,.5),0 0 0 1px rgba(0,224,184,.12)}
.card:focus-visible{border-color:var(--primary-glow)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.045)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.35),transparent 55%)}
.badge-corner{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(5,8,15,.6);border:1px solid var(--border-glass);
  color:var(--text-1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.badge-corner.is-hot{color:#FFD9E1;border-color:rgba(255,77,109,.5);background:rgba(255,77,109,.18)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{
  font-size:19px;font-weight:600;color:var(--text-1);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:55px;
}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);opacity:.7}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(160,200,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-state{font-size:13px;color:var(--text-2)}
.card-state .num{color:var(--amber);font-weight:600}
.arrow-btn{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;border:1px solid var(--border-glass);
  background:rgba(255,255,255,.04);color:var(--primary);
  transition:all .18s var(--ease);
}
.card:hover .arrow-btn{background:var(--primary);color:#04140F;border-color:transparent;box-shadow:var(--glow-primary)}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:52px;flex-wrap:wrap}
.pager a{
  min-width:44px;height:44px;padding:0 14px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;color:var(--text-2);border:1px solid var(--border-glass);
  background:rgba(255,255,255,.035);font-variant-numeric:tabular-nums;
  transition:all .18s var(--ease);
}
.pager a:hover{color:var(--text-1);border-color:rgba(160,200,255,.35);transform:translateY(-1px)}
.pager a.is-current{
  color:var(--primary-glow);border-color:var(--primary);font-weight:700;
  box-shadow:var(--glow-primary);background:rgba(0,224,184,.08);
}
.pager a.is-disabled{opacity:.45;pointer-events:none}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--border-glass);border-radius:var(--radius-sm);
  background:var(--surface);overflow:hidden;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.faq-item:hover{border-color:rgba(160,200,255,.34)}
.faq-item.is-open{border-color:rgba(0,224,184,.45);background:rgba(0,224,184,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
  color:var(--text-1);font-size:17px;font-weight:600;min-height:44px;
}
.faq-q svg{width:16px;height:16px;flex-shrink:0;stroke:var(--primary);fill:none;stroke-width:2;transition:transform .24s var(--ease)}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 20px 20px;font-size:15.5px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;
  border:1px solid var(--border-glass);background:var(--surface);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.14;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(0,224,184,.12),transparent 55%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:26px;font-weight:700;letter-spacing:-.3px}
.cta-band p{margin-top:8px;font-size:15px;color:var(--text-3)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--border-glass);padding:64px 0 28px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:var(--text-3);max-width:280px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.01em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .18s var(--ease),padding-left .18s var(--ease)}
.footer-col a:hover{color:var(--primary);padding-left:4px}
.sub-form{display:flex;gap:8px;margin-top:14px}
.sub-form input{
  flex:1;min-width:0;height:40px;border-radius:12px;padding:0 13px;font-size:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--border-glass);color:var(--text-1);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16)}
.sub-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,77,109,.16)}
.sub-msg{font-size:13px;margin-top:10px;min-height:18px;color:var(--text-3)}
.sub-msg.is-ok{color:var(--primary)}
.sub-msg.is-err{color:var(--danger)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(160,200,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{width:92%}
}
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:72px 0}
  .page-hero h1{font-size:36px}
}
@media (max-width:768px){
  body{font-size:16px}
  .search{display:none}
  .nav-toggle{display:grid}
  .brand-inner{gap:14px}
  .channels{gap:22px}
  .section{padding:56px 0}
  .page-hero{padding:38px 0 40px;background-position:center}
  .page-hero h1{font-size:30px;letter-spacing:-.3px}
  .hero-lead{font-size:15.5px}
  .hero-stats{gap:28px;margin-top:26px}
  .stat b{font-size:22px}
  .channel-chips{margin-top:26px}
  .grid-3{grid-template-columns:1fr}
  .card-title{font-size:18px;min-height:0}
  .sec-title{font-size:24px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:22px}
  .filters{flex-direction:column;align-items:flex-start}
  .pager a{min-width:42px;height:42px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .channel-chips a{font-size:13px;padding:7px 13px}
  .card-body{padding:16px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .card:hover{transform:none}
  .card:hover .card-media img{transform:none}
}

/* roulang page: category2 */
:root{
  --primary:#00E0B8;
  --primary-glow:#3AFFDD;
  --accent:#FFC24B;
  --danger:#FF4D6D;
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --surface:rgba(255,255,255,.055);
  --surface-2:rgba(255,255,255,.085);
  --border-glass:rgba(160,200,255,.14);
  --border-soft:rgba(160,200,255,.10);
  --text-1:#EAF2FF;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --radius-card:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --glow-primary:0 0 24px rgba(0,224,184,.35);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,monospace;
  --t:180ms cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.7;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(160,200,255,.030) 1px,transparent 1px),
    linear-gradient(90deg,rgba(160,200,255,.030) 1px,transparent 1px);
  background-size:72px 72px;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
:focus-visible{outline:2px solid var(--primary-glow);outline-offset:2px}
.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}
h1,h2,h3,h4{color:var(--text-1);margin:0;letter-spacing:-.4px}
h1{font-size:44px;line-height:1.16;font-weight:800}
h2{font-size:30px;line-height:1.25;font-weight:700}
h3{font-size:19px;line-height:1.35;font-weight:600;letter-spacing:0}
h4{font-size:15px;font-weight:600;letter-spacing:.2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--text-3)}
.more-link{font-size:14.5px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:gap var(--t),color var(--t)}
.more-link:hover{gap:12px;color:var(--primary-glow)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;min-height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;background:transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#04201B;box-shadow:0 0 18px rgba(0,224,184,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 30px rgba(0,224,184,.48);background:var(--primary-glow)}
.btn-outline{border-color:var(--border-glass);color:var(--text-1);background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.08);border-color:rgba(160,200,255,.30);transform:translateY(-1px)}
.btn-ghost{padding:0 4px;color:var(--primary);height:auto;min-height:44px}
.btn-ghost:hover{color:var(--primary-glow)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 / 胶囊 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:5px 10px;border-radius:999px;border:1px solid var(--border-glass);background:var(--surface);color:var(--text-2);white-space:nowrap}
.badge-accent{color:var(--accent);border-color:rgba(255,194,75,.35);background:rgba(255,194,75,.10)}
.badge-primary{color:var(--primary-glow);border-color:rgba(0,224,184,.35);background:rgba(0,224,184,.10)}
.badge-danger{color:var(--danger);border-color:rgba(255,77,109,.38);background:rgba(255,77,109,.12)}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--border-glass);background:var(--surface);color:var(--text-2);
  font-size:13.5px;transition:all var(--t);min-height:36px;
}
.chip:hover{color:var(--text-1);border-color:rgba(160,200,255,.30)}
.chip.is-active{background:var(--primary);color:#04201B;border-color:transparent;box-shadow:var(--glow-primary)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;background:rgba(5,8,15,.88);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);border-bottom:1px solid var(--border-glass)}
.head-main-inner{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:700;color:var(--text-1);letter-spacing:.2px;flex:none}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,rgba(0,224,184,.95),rgba(0,224,184,.45));
  color:#04201B;font-size:16px;font-weight:800;box-shadow:0 0 18px rgba(0,224,184,.35);
}
.logo:hover{color:var(--primary-glow)}
.search-box{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:10px;
  height:40px;padding:0 14px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--border-glass);transition:border-color var(--t),box-shadow var(--t);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16)}
.search-box svg{width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.6;flex:none}
.search-box input{flex:1;background:transparent;border:0;outline:none;font-size:14px;color:var(--text-1);min-width:0}
.search-box input::placeholder{color:var(--text-3)}
.head-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border-glass);background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text-1);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.head-channels{border-top:1px solid var(--border-soft);background:rgba(10,17,32,.42)}
.channels-wrap{position:relative}
.channels-wrap::before,.channels-wrap::after{content:"";position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:2}
.channels-wrap::before{left:0;background:linear-gradient(90deg,rgba(5,8,15,.95),transparent)}
.channels-wrap::after{right:0;background:linear-gradient(270deg,rgba(5,8,15,.95),transparent)}
.channels{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;white-space:nowrap}
.channels::-webkit-scrollbar{display:none}
.channels a{position:relative;font-size:14.5px;color:var(--text-2);padding:4px 0;flex:none;transition:color var(--t)}
.channels a:hover{color:var(--text-1)}
.channels a.is-active{color:var(--primary-glow)}
.channels a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;border-radius:2px;background:var(--primary);box-shadow:var(--glow-primary)}

/* 移动抽屉 */
.mobile-drawer{display:none;border-top:1px solid var(--border-soft);background:rgba(10,17,32,.97);backdrop-filter:blur(16px)}
.mobile-drawer.is-open{display:block}
.drawer-inner{padding:20px 0 26px;display:flex;flex-direction:column;gap:18px}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{padding:12px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--border-soft);min-height:44px;display:flex;align-items:center}
.drawer-links a.is-active{color:var(--primary-glow)}

/* ---------- 页头 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border-glass);background:var(--bg-1)}
.page-hero-media{position:absolute;inset:0;z-index:0}
.page-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.30}
.page-hero::after{content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(880px 420px at 18% 12%,rgba(0,224,184,.16),transparent 62%),
    linear-gradient(180deg,rgba(5,8,15,.60) 0%,rgba(5,8,15,.92) 72%,var(--bg-0) 100%);
}
.page-hero-inner{position:relative;z-index:1;padding:44px 24px 60px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px;flex-wrap:wrap}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--text-2)}
.page-hero h1{margin:18px 0 16px;max-width:820px}
.page-hero .lead{max-width:760px;font-size:16px;color:var(--text-2);line-height:1.85}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.stat-card{
  flex:1 1 180px;min-width:150px;padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--border-glass);backdrop-filter:blur(14px) saturate(140%);
}
.stat-card .num{font-family:var(--font-num);font-size:28px;line-height:1;color:var(--primary-glow);font-weight:700;letter-spacing:.5px}
.stat-card .lbl{margin-top:8px;font-size:12.5px;color:var(--text-3)}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:space-between;
  padding:16px 20px;border-radius:var(--radius-card);background:var(--surface);
  border:1px solid var(--border-glass);backdrop-filter:blur(14px) saturate(140%);
}
.filter-chips{display:flex;gap:10px;flex-wrap:wrap}
.filter-right{display:flex;align-items:center;gap:12px}
.select-wrap{position:relative}
.select-wrap select{
  appearance:none;-webkit-appearance:none;height:40px;padding:0 38px 0 14px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--border-glass);color:var(--text-1);font-size:14px;
  transition:border-color var(--t),box-shadow var(--t);cursor:pointer;
}
.select-wrap select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16)}
.select-wrap::after{content:"";position:absolute;right:16px;top:50%;width:7px;height:7px;border-right:1.5px solid var(--text-3);border-bottom:1.5px solid var(--text-3);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.result-tip{font-size:13px;color:var(--text-3)}
.result-tip b{color:var(--accent);font-family:var(--font-num);font-size:15px;font-weight:700}

/* ---------- 横向行卡列表 ---------- */
.row-list{border-top:1px solid var(--border-glass);margin-top:8px}
.row-card{
  display:grid;grid-template-columns:200px minmax(0,1fr) auto;gap:24px;align-items:center;
  padding:20px 20px;border-bottom:1px solid var(--border-soft);border-radius:var(--radius-sm);
  transition:transform var(--t),background var(--t),border-color var(--t);
}
.row-card:hover{transform:translateX(-4px);background:rgba(255,255,255,.045);border-color:var(--border-glass)}
.row-card:active{background:rgba(255,255,255,.07)}
.row-thumb{width:200px;height:120px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border-glass);background:var(--bg-2);flex:none}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.4,0,.2,1)}
.row-card:hover .row-thumb img{transform:scale(1.04)}
.row-body{min-width:0}
.row-title{
  font-size:19px;font-weight:600;color:var(--text-1);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.row-desc{
  margin-top:8px;font-size:14.5px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:12px;min-width:132px}
.row-time{font-family:var(--font-num);font-size:15px;letter-spacing:.6px;color:var(--accent);font-variant-numeric:tabular-nums}
.row-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border-glass);
  display:grid;place-items:center;color:var(--text-2);transition:all var(--t);font-size:16px;
}
.row-card:hover .row-arrow{background:var(--primary);color:#04201B;border-color:transparent;box-shadow:var(--glow-primary)}
.load-more-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:40px}
.load-more-wrap .hint{font-size:13px;color:var(--text-3)}

/* ---------- 保障条 ---------- */
.guarantee{
  display:flex;flex-wrap:wrap;gap:28px 36px;justify-content:space-between;align-items:center;
  padding:22px 28px;border-radius:var(--radius-card);background:var(--surface);
  border:1px solid var(--border-glass);backdrop-filter:blur(14px) saturate(140%);
}
.guarantee-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.guarantee-item svg{width:24px;height:24px;stroke:var(--primary);fill:none;stroke-width:1.5;flex:none}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--border-glass);margin-top:8px}
.faq-item{border-bottom:1px solid var(--border-soft);border-radius:var(--radius-sm);transition:background var(--t)}
.faq-item:hover{background:rgba(255,255,255,.03)}
.faq-item.is-open{background:rgba(0,0,0,.28)}
.faq-q{
  width:100%;background:transparent;border:0;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 20px;text-align:left;font-size:17px;font-weight:600;color:var(--text-1);min-height:44px;
}
.faq-q:hover{color:var(--primary-glow)}
.faq-icon{width:22px;height:22px;flex:none;stroke:var(--text-3);fill:none;stroke-width:1.8;transition:transform 240ms cubic-bezier(.4,0,.2,1),stroke var(--t)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);stroke:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms cubic-bezier(.4,0,.2,1)}
.faq-a p{padding:0 20px 24px;font-size:15.5px;line-height:1.85;color:var(--text-2);max-width:900px}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:22px;border:1px solid var(--border-glass);background:var(--bg-1)}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.14;z-index:0}
.cta-band::after{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(700px 300px at 12% 50%,rgba(0,224,184,.14),transparent 65%)}
.cta-inner{position:relative;z-index:1;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;font-weight:700}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--border-glass);background:var(--bg-1);padding:72px 0 28px;margin-top:96px;position:relative;z-index:1}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:280px;line-height:1.8}
.footer-col h4{color:var(--text-1);margin-bottom:16px;font-size:14.5px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-3)}
.footer-col ul a:hover{color:var(--primary)}
.sub-form{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 170px;height:42px;padding:0 14px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--border-glass);color:var(--text-1);font-size:14px;
  transition:border-color var(--t),box-shadow var(--t);outline:none;min-width:0;
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16)}
.sub-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,77,109,.16)}
.sub-form input.is-ok{border-color:var(--primary)}
.sub-msg{margin-top:10px;font-size:13px;color:var(--primary);min-height:18px}
.sub-msg.is-error{color:var(--danger)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--border-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}

/* ---------- 移动底栏 ---------- */
.mobile-cta-bar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .page-hero-inner{padding:36px 24px 48px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .head-main-inner{gap:16px}
  .search-box{display:none}
  .nav-toggle{display:flex}
  .head-actions .btn-primary{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:17px}
  .container{padding:0 18px}
  .page-hero h1{margin:14px 0 12px}
  .stat-card{flex:1 1 132px;min-width:132px;padding:14px}
  .stat-card .num{font-size:22px}
  .filter-bar{padding:14px 14px}
  .row-card{
    display:flex;flex-wrap:wrap;align-items:flex-start;gap:14px;padding:16px 12px;
  }
  .row-card:hover{transform:none;background:rgba(255,255,255,.04)}
  .row-thumb{width:96px;height:72px;border-radius:12px;flex:0 0 96px}
  .row-body{flex:1 1 0;min-width:0}
  .row-title{font-size:16px}
  .row-desc{font-size:13.5px;margin-top:6px}
  .row-meta{flex:1 1 100%;flex-direction:row;align-items:center;justify-content:flex-start;gap:12px;min-width:0}
  .row-arrow{width:40px;height:40px}
  .guarantee{gap:16px 22px;padding:18px}
  .guarantee-item{font-size:13px}
  .cta-inner{padding:28px 22px}
  .cta-inner h2{font-size:22px}
  .faq-q{font-size:15.5px;padding:18px 14px}
  .faq-a p{padding:0 14px 20px;font-size:14.5px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 88px;margin-top:56px}
  .mobile-cta-bar{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    position:fixed;left:0;right:0;bottom:0;height:56px;padding:0 16px;z-index:110;
    background:rgba(5,8,15,.94);backdrop-filter:blur(16px);border-top:1px solid var(--border-glass);
  }
  .mobile-cta-bar span{font-size:13.5px;color:var(--text-2)}
}
@media (max-width:480px){
  .container{padding:0 14px}
  h1{font-size:27px}
  .channels{gap:20px}
  .channels a{font-size:13.5px}
  .stat-row{gap:10px}
  .stat-card{flex:1 1 100%}
  .btn{width:100%}
  .head-actions .nav-toggle{width:44px}
  .cta-actions{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .row-card:hover{transform:none}
  .row-card:hover .row-thumb img{transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --surface:rgba(255,255,255,.055);
  --surface-2:rgba(255,255,255,.085);
  --border-glass:rgba(160,200,255,.14);
  --border-strong:rgba(160,200,255,.30);
  --primary:#00E0B8;
  --primary-glow:#3AFFDD;
  --primary-ink:#04231D;
  --amber:#FFC24B;
  --danger:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --r-card:18px;
  --r-inner:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --glow-primary:0 0 24px rgba(0,224,184,.35);
  --container:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
  --num-font:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.72;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3;font-weight:700}
p{margin:0}
svg{display:block}
.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}
:focus-visible{outline:2px solid var(--primary-glow);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num,.badge-num{font-family:var(--num-font);font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;
  transition:transform 180ms var(--ease),background 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:var(--glow-primary)}
.btn-primary:hover{background:var(--primary-glow);transform:translateY(-1px);box-shadow:0 0 34px rgba(0,224,184,.5)}
.btn-ghost{border-color:var(--border-glass);background:rgba(255,255,255,.02);color:var(--text-1)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--border-strong);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;transition:gap 180ms var(--ease),color 180ms var(--ease)}
.btn-link:hover{gap:10px;color:var(--primary-glow)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.9);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(160,200,255,.1);
}
.topbar-inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text-1);font-weight:800;font-size:17px;letter-spacing:-.2px;white-space:nowrap}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#0A8F7A);
  color:#04231D;font-size:16px;font-weight:800;box-shadow:0 0 16px rgba(0,224,184,.35);
}
.search{position:relative;flex:1;max-width:420px;display:flex;align-items:center}
.search input{
  width:100%;height:40px;border-radius:var(--r-btn);
  background:var(--surface);border:1px solid var(--border-glass);
  padding:0 46px 0 14px;color:var(--text-1);font-size:14px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16);background:rgba(255,255,255,.07)}
.search button{position:absolute;right:6px;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:var(--text-3);transition:color 180ms var(--ease),background 180ms var(--ease)}
.search button:hover{color:var(--primary);background:rgba(255,255,255,.06)}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border-glass);align-items:center;justify-content:center;color:var(--text-1)}
.menu-toggle:hover{background:rgba(255,255,255,.07)}

/* ---------- 频道行 ---------- */
.channels{
  display:flex;align-items:center;gap:26px;height:48px;
  overflow-x:auto;white-space:nowrap;
  padding-inline:max(24px,calc((100% - 1200px)/2 + 24px));
  background:rgba(10,17,32,.55);
  border-top:1px solid rgba(160,200,255,.08);
  scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}
.channels::-webkit-scrollbar{display:none}
.channels a{position:relative;flex:none;font-size:14.5px;color:var(--text-2);padding:12px 0;transition:color 180ms var(--ease)}
.channels a::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;background:var(--primary);opacity:0;transform:scaleX(.4);transition:opacity 180ms var(--ease),transform 180ms var(--ease)}
.channels a:hover{color:var(--text-1)}
.channels a.is-active{color:var(--primary-glow);font-weight:600}
.channels a.is-active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(0,224,184,.85)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;left:0;right:0;top:112px;bottom:0;z-index:55;
  padding:16px 24px 40px;overflow-y:auto;
  background:rgba(5,8,15,.97);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity 200ms var(--ease),transform 200ms var(--ease);
}
.drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer a{display:block;padding:15px 4px;border-bottom:1px solid rgba(160,200,255,.1);color:var(--text-1);font-size:16px;min-height:44px}
.drawer a.is-active{color:var(--primary-glow)}
.drawer .btn{margin-top:22px;width:100%}

/* ---------- 栏目头 ---------- */
.topic-hero{
  position:relative;overflow:hidden;
  padding:60px 0 44px;
  background-image:linear-gradient(180deg,rgba(5,8,15,.82),rgba(5,8,15,.96)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(160,200,255,.08);
}
.topic-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(160,200,255,.05) 0 1px,transparent 1px 78px);
  opacity:.6;
}
.topic-hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,224,184,.16),transparent 62%);pointer-events:none;
}
.topic-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{transition:color 180ms var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--text-2)}
.topic-hero h1{font-size:clamp(30px,4.2vw,44px);font-weight:800;letter-spacing:-.5px;max-width:900px}
.topic-lead{margin-top:16px;max-width:780px;font-size:16.5px;line-height:1.85;color:var(--text-2)}
.update-line{
  margin-top:20px;display:inline-flex;align-items:center;gap:9px;
  font-size:13px;color:var(--amber);
  background:rgba(255,194,75,.08);border:1px solid rgba(255,194,75,.24);
  border-radius:var(--r-pill);padding:7px 15px;
}
.update-line .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);box-shadow:0 0 8px rgba(255,194,75,.9)}
.chips{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-size:13px;padding:9px 17px;border-radius:var(--r-pill);
  border:1px solid var(--border-glass);background:var(--surface);color:var(--text-2);
  transition:color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease),background 180ms var(--ease);
  min-height:38px;display:inline-flex;align-items:center;
}
.chip:hover{color:var(--text-1);border-color:var(--border-strong);transform:translateY(-1px)}
.chip.is-active{background:var(--primary);color:var(--primary-ink);border-color:transparent;font-weight:600;box-shadow:var(--glow-primary)}

/* ---------- 主体布局 ---------- */
.topic-main{padding:56px 0 0}
.topic-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.toc-col{grid-column:span 4}
.content-col{grid-column:span 8;display:flex;flex-direction:column;gap:24px}

/* 目录 */
.toc{
  position:sticky;top:140px;
  background:var(--surface);border:1px solid var(--border-glass);border-radius:var(--r-card);
  padding:22px 18px;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.toc-title{font-size:12px;letter-spacing:.22em;color:var(--text-3);text-transform:uppercase;padding:0 10px 12px;border-bottom:1px solid rgba(160,200,255,.1);margin-bottom:10px}
.toc-list a{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 10px;border-radius:var(--r-inner);font-size:14.5px;color:var(--text-2);
  transition:background 180ms var(--ease),color 180ms var(--ease);
  min-height:44px;
}
.toc-list .idx{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-size:13px;color:var(--text-3);min-width:20px}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--text-1)}
.toc-list a.is-active{color:var(--primary-glow);background:rgba(0,224,184,.08)}
.toc-list a.is-active .idx{color:var(--primary-glow)}
.toc-list a.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(0,224,184,.9)}

/* 内容卡 */
.topic-card{
  background:var(--surface);border:1px solid var(--border-glass);border-radius:var(--r-card);
  overflow:hidden;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease);
}
.topic-card:hover{transform:translateY(-2px);border-color:var(--border-strong)}
.topic-card.is-media{scroll-margin-top:140px}
.topic-card.is-text{scroll-margin-top:140px;border-left:1px solid var(--border-glass)}
.topic-media{position:relative;overflow:hidden;background:var(--bg-1)}
.topic-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms var(--ease)}
.topic-card.is-media:hover .topic-media img{transform:scale(1.03)}
.topic-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 45%,rgba(5,8,15,.72))}
.topic-body{padding:24px}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:5px 10px;border-radius:var(--r-pill);
  border:1px solid var(--border-glass);background:rgba(255,255,255,.04);color:var(--text-2);letter-spacing:.02em;
}
.badge-amber{color:var(--amber);border-color:rgba(255,194,75,.3);background:rgba(255,194,75,.08)}
.badge-primary{color:var(--primary-glow);border-color:rgba(0,224,184,.3);background:rgba(0,224,184,.08)}
.badge-danger{color:var(--danger);border-color:rgba(255,77,109,.32);background:rgba(255,77,109,.08)}
.topic-card h2{font-size:clamp(19px,2.2vw,23px);margin:16px 0 12px}
.topic-card p{font-size:16px;color:var(--text-2)}
.topic-card p+p{margin-top:12px}
.check-list{margin-top:16px;display:grid;gap:11px}
.check-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--text-2)}
.check-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:9px;height:9px;border-radius:2px;
  background:rgba(0,224,184,.18);border:1.5px solid var(--primary);transform:rotate(45deg);
}
.num-list{margin-top:18px;display:grid;gap:14px}
.num-list li{display:flex;gap:14px;align-items:flex-start}
.num-list .n{
  flex:none;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  font-family:var(--num-font);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;
  color:var(--primary-glow);background:rgba(0,224,184,.1);border:1px solid rgba(0,224,184,.26);
}
.num-list .txt{font-size:15.5px;color:var(--text-2)}
.num-list .txt strong{color:var(--text-1);font-weight:600}
.tip-box{
  margin-top:20px;border-left:3px solid var(--primary);background:rgba(0,224,184,.06);
  border-radius:0 var(--r-inner) var(--r-inner) 0;padding:14px 16px;font-size:14.5px;color:var(--text-2);
}
.tip-box.warn{border-left-color:var(--danger);background:rgba(255,77,109,.07)}
.topic-card .btn-link{margin-top:18px}

/* 保障条 */
.strip{
  margin-top:8px;display:flex;flex-wrap:wrap;gap:24px 34px;justify-content:space-between;
  padding:22px 26px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--border-glass);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.strip-item{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-1)}
.strip-item svg{color:var(--primary);flex:none}

/* FAQ */
.section-head{margin-top:64px;margin-bottom:22px;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.section-note{font-size:13px;color:var(--text-3)}
.faq{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--border-glass);border-radius:var(--r-inner);background:var(--surface);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:border-color 180ms var(--ease),background 180ms var(--ease);
}
.faq-item:hover{border-color:var(--border-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;font-size:16.5px;font-weight:600;color:var(--text-1);text-align:left;min-height:44px;
}
.faq-q .caret{flex:none;color:var(--primary);transition:transform 240ms var(--ease),color 240ms var(--ease)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a p{padding:0 20px 20px;font-size:15.5px;color:var(--text-2)}
.faq-item.is-open{border-color:rgba(0,224,184,.4);background:var(--bg-2)}
.faq-item.is-open .caret{transform:rotate(180deg);color:var(--primary-glow)}

/* CTA */
.cta-band{
  margin-top:56px;position:relative;overflow:hidden;
  border-radius:22px;border:1px solid var(--border-glass);
  padding:34px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  background-image:linear-gradient(110deg,rgba(0,224,184,.14),rgba(5,8,15,.94)),url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(21px,2.5vw,28px)}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.back-top{display:flex;justify-content:center;margin:40px 0 8px}
.btn-backtop{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:var(--r-pill);border:1px solid var(--border-glass);background:var(--surface);
  color:var(--text-2);font-size:14px;transition:color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease);
}
.btn-backtop:hover{color:var(--primary-glow);border-color:var(--border-strong);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:72px;border-top:1px solid rgba(160,200,255,.1);background:var(--bg-1)}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.5fr;gap:40px;padding:56px 0 44px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:300px}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14.5px;color:var(--text-2);transition:color 180ms var(--ease),padding-left 180ms var(--ease)}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.sub-form{display:flex;gap:10px;margin-top:14px}
.sub-form input{
  flex:1;min-width:0;height:42px;border-radius:var(--r-btn);padding:0 14px;
  background:var(--surface);border:1px solid var(--border-glass);color:var(--text-1);font-size:14px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,224,184,.16)}
.sub-msg{margin-top:10px;font-size:13px;color:var(--primary);min-height:18px}
.sub-msg.err{color:var(--danger)}
.footer-bottom{border-top:1px solid rgba(160,200,255,.1);padding:22px 0 34px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--text-3)}

/* 移动固定 CTA */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
  align-items:center;justify-content:center;gap:12px;
  background:rgba(10,17,32,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--border-glass);
}
.mobile-cta .btn{flex:1;max-width:280px;min-height:40px}

/* ---------- 断点 ---------- */
@media (max-width:1100px){
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-top .footer-col:last-child{grid-column:span 3}
}
@media (max-width:960px){
  .toc-col,.content-col{grid-column:span 12}
  .toc{position:static;padding:16px;box-shadow:none}
  .toc-title{padding-bottom:10px}
  .toc-list{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
  .toc-list::-webkit-scrollbar{display:none}
  .toc-list li{flex:none}
  .toc-list a{border:1px solid var(--border-glass);background:rgba(255,255,255,.03);border-radius:var(--r-pill);padding:9px 16px;white-space:nowrap}
  .toc-list a.is-active::before{display:none}
  .topic-main{padding-top:40px}
}
@media (max-width:768px){
  body{font-size:16px;padding-bottom:56px}
  .search{display:none}
  .menu-toggle{display:flex}
  .topbar-actions .btn-primary{display:none}
  .channels{gap:20px}
  .topic-hero{padding:40px 0 32px}
  .topic-lead{font-size:15.5px}
  .topic-body{padding:20px}
  .strip{padding:18px;gap:16px 24px}
  .strip-item{font-size:13.5px}
  .section-head{margin-top:48px}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
  .footer-top .footer-col:last-child{grid-column:span 2}
  .mobile-cta{display:flex}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .channels{padding-inline:18px;gap:18px}
  .drawer{padding:14px 18px 40px}
  .topic-hero h1{font-size:28px}
  .footer-top{grid-template-columns:1fr}
  .footer-top .footer-col:last-child{grid-column:span 1}
  .footer-bottom{flex-direction:column}
  .topic-card h2{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .topic-card:hover,.btn:hover,.chip:hover{transform:none !important}
  .topic-card.is-media:hover .topic-media img{transform:none !important}
}