/* roulang page: index */
:root{
  --canvas:#0A0E10;
  --surface:#10171A;
  --surface-2:#162024;
  --mint:#2BE8B0;
  --mint-hi:#45F2C0;
  --amber:#FFB454;
  --coral:#FF6B57;
  --ink:#EAF2EF;
  --ink-2:#93A5A1;
  --ink-3:#6B7C79;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-mint:rgba(43,232,176,.35);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 12px 32px rgba(0,0,0,.35);
  --shadow-glow:0 8px 24px rgba(43,232,176,.28);
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter","Space Grotesk",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(43,232,176,.28);color:#06110D;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0A0E10;}
::-webkit-scrollbar-thumb{background:#20302C;border-radius:999px;border:2px solid #0A0E10;}
::-webkit-scrollbar-thumb:hover{background:#2BE8B0;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1280px){.container{padding:0 40px;}}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--mint);color:#06110D;box-shadow:var(--shadow-glow);}
.btn-primary:hover{background:var(--mint-hi);transform:translateY(-1px);box-shadow:0 12px 30px rgba(43,232,176,.36);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--ink);}
.btn-ghost:hover{border-color:var(--line-mint);background:rgba(43,232,176,.08);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--mint);font-size:14px;font-weight:600;}
.btn-text span.arrow{transition:transform .2s ease-out;}
.btn-text:hover span.arrow{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;}
.badge-mint{background:rgba(43,232,176,.12);color:var(--mint);}
.badge-amber{background:rgba(255,180,84,.14);color:var(--amber);}
.badge-gray{background:rgba(255,255,255,.06);color:var(--ink-2);}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;background:rgba(255,255,255,.05);color:var(--ink-2);font-size:12px;border:1px solid rgba(255,255,255,.06);}
.dot-pulse{width:7px;height:7px;border-radius:50%;background:currentColor;position:relative;}
.dot-pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid currentColor;opacity:.45;animation:pulse 2.2s ease-out infinite;}
@keyframes pulse{0%{transform:scale(.6);opacity:.6;}100%{transform:scale(1.5);opacity:0;}}

/* ---------- 顶部公告 ---------- */
.announce{background:#0C1214;border-bottom:1px solid var(--line);}
.announce-inner{display:flex;align-items:center;gap:10px;height:40px;font-size:13px;color:#C9D6D2;}
.announce-inner .dot-pulse{color:var(--mint);flex:none;}
.announce-inner p{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.announce-close{width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--ink-3);font-size:16px;line-height:1;transition:background .2s,color .2s;}
.announce-close:hover{background:rgba(255,255,255,.07);color:var(--ink);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(10,14,16,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:24px;height:24px;border-radius:7px;background:linear-gradient(135deg,rgba(43,232,176,.9),rgba(43,232,176,.25));position:relative;box-shadow:0 0 0 1px rgba(43,232,176,.5) inset;}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:2px;border:1.5px solid #06110D;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;flex:none;}
.nav-link{position:relative;padding:0 12px;height:72px;display:inline-flex;align-items:center;font-size:14px;color:var(--ink-2);transition:color .2s ease-out;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:20px;height:2px;border-radius:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--mint);}
.nav-search{position:relative;flex:1 1 auto;max-width:420px;margin:0 auto;}
.nav-search input{width:100%;height:44px;border-radius:999px;background:#0D1416;border:1px solid var(--line);padding:0 54px 0 42px;font-size:14px;color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s;}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{outline:none;border-color:var(--line-mint);box-shadow:0 0 0 4px rgba(43,232,176,.15);background:#0F1719;}
.nav-search .s-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--ink-3);pointer-events:none;}
.nav-search kbd{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-family:var(--font-num);font-size:11px;color:var(--ink-3);border:1px solid var(--line);border-radius:6px;padding:1px 6px;background:rgba(255,255,255,.03);}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none;}
.nav-login{font-size:14px;color:var(--ink-2);transition:color .2s;}
.nav-login:hover{color:var(--mint);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);}
.nav-toggle svg{width:20px;height:20px;}

@media (max-width:1100px){
  .nav-links{display:none;}
}
@media (max-width:860px){
  .nav-search{display:none;}
  .nav-actions .nav-login{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{gap:12px;}
  .brand-text{font-size:16px;}
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#0C1214;}
.mobile-panel.open{display:block;}
.mobile-panel .inner{padding:16px 20px 24px;display:flex;flex-direction:column;gap:14px;}
.mobile-panel .nav-search{display:block;max-width:none;margin:0;}
.mobile-panel .m-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.06);}
.mobile-panel .m-link:hover,.mobile-panel .m-link.is-active{color:var(--mint);}
.mobile-panel .m-link span{color:var(--ink-3);font-size:13px;}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:26px;line-height:1.35;font-weight:800;letter-spacing:-.01em;}
@media (min-width:1024px){.section-head h2{font-size:34px;}}
.section-head .sub{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mint);font-weight:700;margin-bottom:12px;font-family:var(--font-num);}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--mint);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0A0E10;border-bottom:1px solid var(--line);}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(43,232,176,.10),transparent 68%);pointer-events:none;}
.hero::after{content:"";position:absolute;bottom:-200px;left:-140px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,84,.08),transparent 68%);pointer-events:none;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:36px;padding-top:48px;padding-bottom:56px;align-items:center;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;padding-top:72px;padding-bottom:84px;min-height:560px;}
}
.hero-copy h1{font-size:31px;line-height:1.3;font-weight:800;letter-spacing:-.015em;margin:16px 0 0;}
@media (min-width:768px){.hero-copy h1{font-size:40px;}}
@media (min-width:1024px){.hero-copy h1{font-size:52px;line-height:1.22;}}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:560px;}
@media (min-width:768px){.hero-sub{font-size:18px;}}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{margin-top:18px;font-size:13px;color:var(--ink-3);}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);background:#131A1D;border:1px solid var(--line);}
@media (min-width:1024px){.hero-visual img{aspect-ratio:21/16;}}
.hero-visual::after{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);background:linear-gradient(180deg,rgba(10,14,16,0) 45%,rgba(10,14,16,.82) 100%);pointer-events:none;}
.glass{background:rgba(255,255,255,.045);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);}
.hero-float{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;display:flex;align-items:center;gap:18px;padding:14px 18px;}
.hero-float .num{display:block;font-size:24px;font-weight:800;color:var(--mint);line-height:1.2;}
.hero-float .lbl{display:block;font-size:12px;color:var(--ink-2);margin-top:2px;}
.hero-float .sep{width:1px;height:34px;background:rgba(255,255,255,.14);}

/* ---------- 指标条 ---------- */
.metrics{border-bottom:1px solid var(--line);background:#0C1214;}
.metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
@media (min-width:768px){.metrics-grid{grid-template-columns:repeat(4,1fr);}}
.metric{padding:24px 18px;border-right:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);}
@media (min-width:768px){.metric{border-bottom:none;padding:32px 24px;}.metric:last-child{border-right:none;}}
.metric .num{font-size:28px;font-weight:800;color:var(--mint);line-height:1.1;}
@media (min-width:1024px){.metric .num{font-size:32px;}}
.metric .lbl{display:block;margin-top:6px;font-size:13px;color:var(--ink-2);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:4px;top:10px;bottom:10px;width:1px;background:linear-gradient(180deg,rgba(43,232,176,.65),rgba(255,255,255,.08) 45%,rgba(255,255,255,.05));}
.tl-item{position:relative;display:grid;grid-template-columns:96px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.tl-item:last-child{border-bottom:none;}
.tl-item::before{content:"";position:absolute;left:-33px;top:28px;width:9px;height:9px;border-radius:50%;background:#26332F;border:1px solid rgba(255,255,255,.22);}
.tl-item.is-current::before{background:var(--mint);border-color:var(--mint);box-shadow:0 0 0 4px rgba(43,232,176,.16),0 0 14px rgba(43,232,176,.55);}
.tl-time .tl-h{display:block;font-family:var(--font-num);font-size:17px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
.tl-time .tl-d{display:block;font-family:var(--font-num);font-size:12px;color:var(--ink-3);margin-top:2px;}
.tl-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.tl-item.is-current .tl-body h3{color:var(--mint);}
.tl-body p{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.8;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
@media (max-width:640px){
  .tl-item{grid-template-columns:1fr;gap:6px;}
}

/* ---------- 卡片 ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-card);transition:border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out;}
.card:hover{border-color:var(--line-mint);transform:translateY(-3px);box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 18px 40px rgba(0,0,0,.45);}
.card-media{border-radius:12px;overflow:hidden;background:#131A1D;margin-bottom:18px;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card h3{font-size:19px;font-weight:700;line-height:1.5;color:var(--ink);}
.card p{font-size:14.5px;color:var(--ink-2);margin-top:10px;line-height:1.85;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.07);font-size:13px;color:var(--ink-3);font-family:var(--font-num);}
.card-accent{border-color:rgba(255,180,84,.35);}
.card-accent:hover{border-color:rgba(255,180,84,.6);}

/* ---------- 方案对比 ---------- */
.plans{display:grid;grid-template-columns:1fr;gap:20px;align-items:stretch;}
@media (min-width:1024px){.plans{grid-template-columns:repeat(3,1fr);gap:24px;align-items:center;}}
.plan{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:border-color .22s,transform .22s;}
.plan:hover{border-color:var(--line-mint);}
.plan-featured{background:rgba(255,255,255,.045);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:rgba(43,232,176,.35);box-shadow:0 18px 44px rgba(0,0,0,.45);}
@media (min-width:1024px){.plan-featured{transform:scale(1.02);}}
.plan-featured::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;border-radius:16px 16px 0 0;background:linear-gradient(90deg,var(--mint),rgba(43,232,176,.25));}
.plan-flag{position:absolute;top:16px;right:16px;font-size:12px;font-weight:700;color:#06110D;background:var(--amber);border-radius:999px;padding:3px 10px;}
.plan h3{font-size:18px;font-weight:700;}
.plan .price{display:flex;align-items:baseline;gap:6px;margin-top:14px;}
.plan .price .num{font-size:36px;font-weight:800;color:var(--ink);line-height:1;}
.plan .price .unit{font-size:13px;color:var(--ink-3);}
.plan ul{margin-top:20px;display:flex;flex-direction:column;}
.plan li{display:flex;align-items:flex-start;gap:10px;padding:10px 0;font-size:14px;color:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.05);}
.plan li:last-child{border-bottom:none;}
.plan li .ic{flex:none;width:16px;height:16px;margin-top:4px;}
.plan li.on .ic{color:var(--mint);}
.plan li.off{color:var(--ink-3);}
.plan li.off .ic{color:var(--ink-3);}
.plan .btn{width:100%;margin-top:22px;}
.plan-note{margin-top:18px;font-size:12px;color:var(--ink-3);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.news-card{display:flex;flex-direction:column;height:100%;}
.news-card .top{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.news-card h3{font-size:18px;line-height:1.55;}
.news-card h3 a{transition:color .2s;}
.news-card h3 a:hover{color:var(--mint);}
.news-card p{flex:1;}
.empty-state{border:1px dashed rgba(255,255,255,.12);border-radius:var(--radius);padding:40px 24px;text-align:center;color:var(--ink-2);font-size:14px;}
.empty-state svg{width:36px;height:36px;margin:0 auto 12px;color:var(--ink-3);display:block;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.faq-layout{grid-template-columns:5fr 7fr;gap:56px;align-items:start;}}
.faq-list{border-top:1px solid var(--line);}
details.faq{border-bottom:1px solid var(--line);position:relative;}
details.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:14px 0 14px 8px;font-size:16px;font-weight:600;color:var(--ink);transition:color .2s;line-height:1.6;}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary:hover{color:var(--mint);}
details.faq summary .plus{flex:none;width:22px;height:22px;position:relative;transition:transform .25s ease-out;color:var(--ink-2);}
details.faq summary .plus::before,details.faq summary .plus::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
details.faq summary .plus::before{left:0;right:0;top:50%;height:1.5px;transform:translateY(-50%);}
details.faq summary .plus::after{top:0;bottom:0;left:50%;width:1.5px;transform:translateX(-50%);}
details.faq[open] summary{color:var(--mint);}
details.faq[open] summary .plus{transform:rotate(45deg);color:var(--mint);}
details.faq .ans{padding:0 0 20px 8px;font-size:15px;line-height:1.9;color:var(--ink-2);}
details.faq[open]::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;background:var(--mint);}

/* ---------- CTA / 表单 ---------- */
.cta-panel{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:#0C1214;}
.cta-panel::before{content:"";position:absolute;top:-140px;right:-100px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(43,232,176,.12),transparent 68%);pointer-events:none;}
.cta-panel::after{content:"";position:absolute;bottom:-160px;left:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,84,.08),transparent 68%);pointer-events:none;}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:36px;padding:36px 24px;}
@media (min-width:1024px){.cta-grid{grid-template-columns:5fr 6fr;gap:56px;padding:56px 48px;align-items:start;}}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.cta-points .ic{flex:none;width:20px;height:20px;border-radius:50%;background:rgba(43,232,176,.14);color:var(--mint);display:flex;align-items:center;justify-content:center;margin-top:4px;}
.form-card{background:rgba(255,255,255,.045);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:26px 22px;}
@media (min-width:768px){.form-card{padding:30px;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;}
.field input[type="text"],.field input[type="tel"],.field textarea{width:100%;height:48px;background:#0D1416;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 14px;font-size:15px;color:var(--ink);transition:border-color .2s,box-shadow .2s;}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--line-mint);box-shadow:0 0 0 4px rgba(43,232,176,.15);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{position:relative;display:inline-flex;}
.chip input{position:absolute;opacity:0;width:0;height:0;}
.chip span{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 16px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#0D1416;font-size:14px;color:var(--ink-2);cursor:pointer;transition:all .2s ease-out;}
.chip span:hover{border-color:var(--line-mint);color:var(--ink);}
.chip input:checked + span{background:rgba(43,232,176,.14);border-color:var(--line-mint);color:var(--mint);font-weight:600;}
.chip input:focus-visible + span{outline:2px solid var(--mint);outline-offset:2px;}
.form-note{font-size:12px;color:var(--ink-3);margin-top:14px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0C1214;border-top:1px solid var(--line);position:relative;margin-top:0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(43,232,176,.5),transparent);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 20px 36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);padding:56px 32px 40px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 40px 48px;}}
.footer-desc{margin-top:16px;font-size:14px;color:var(--ink-2);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s;}
.footer-col a:hover{color:var(--mint);}
.footer-col p{font-size:14px;color:var(--ink-2);line-height:1.9;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:20px;display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center;font-size:13px;color:var(--ink-3);}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;text-align:left;padding:22px 32px;}}
@media (min-width:1280px){.footer-bottom{padding:22px 40px;}}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-2);transition:all .2s;}
.socials a:hover{border-color:var(--line-mint);color:var(--mint);background:rgba(43,232,176,.08);}
.socials svg{width:16px;height:16px;}
.back-top{position:fixed;right:18px;bottom:18px;z-index:70;width:46px;height:46px;border-radius:14px;background:rgba(16,23,26,.9);border:1px solid var(--line-strong);display:none;align-items:center;justify-content:center;color:var(--ink);backdrop-filter:blur(10px);transition:all .2s;}
.back-top.show{display:flex;}
.back-top:hover{border-color:var(--line-mint);color:var(--mint);transform:translateY(-2px);}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
    --ink:#0A0E10;
    --panel:#101719;
    --panel-2:#0D1416;
    --float:#162024;
    --mint:#2BE8B0;
    --mint-soft:#45F2C0;
    --amber:#FFB454;
    --coral:#FF6B57;
    --body:#EAF2EF;
    --muted:#93A5A1;
    --faint:#6B7C79;
    --line:rgba(255,255,255,.08);
    --line-2:rgba(255,255,255,.14);
    --line-mint:rgba(43,232,176,.35);
    --r-lg:20px;
    --r-md:16px;
    --r-sm:12px;
    --shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 12px 32px rgba(0,0,0,.35);
    --shadow-mint:0 8px 24px rgba(43,232,176,.28);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--ink);
    color:var(--body);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  ::selection{background:rgba(43,232,176,.28);color:#fff}
  :focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
  @media(min-width:768px){.container{padding:0 32px}}
  @media(min-width:1280px){.container{padding:0 40px}}

  /* ---------- 顶部公告条 ---------- */
  .topbar{
    background:rgba(10,14,16,.92);
    border-bottom:1px solid var(--line);
    font-size:13px;
    color:#C9D6D2;
  }
  .topbar-inner{display:flex;align-items:center;gap:10px;min-height:38px;padding:6px 0}
  .pulse-dot{
    width:8px;height:8px;border-radius:50%;background:var(--mint);flex:0 0 8px;
    box-shadow:0 0 0 0 rgba(43,232,176,.55);animation:pulse 2.2s infinite;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(43,232,176,.5)}
    70%{box-shadow:0 0 0 9px rgba(43,232,176,0)}
    100%{box-shadow:0 0 0 0 rgba(43,232,176,0)}
  }
  .topbar-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar-text b{color:var(--mint);font-weight:600}
  .topbar-close{
    background:none;border:0;color:var(--faint);font-size:16px;line-height:1;
    cursor:pointer;padding:8px;border-radius:8px;transition:color .2s var(--ease)
  }
  .topbar-close:hover{color:var(--body)}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(10,14,16,.86);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .nav-wrap{display:flex;align-items:center;gap:18px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:26px;height:26px;border-radius:8px;flex:0 0 26px;
    background:linear-gradient(150deg,rgba(43,232,176,.9),rgba(43,232,176,.15));
    box-shadow:inset 0 0 0 2px rgba(6,17,13,.55);
    position:relative;
  }
  .brand-mark::after{
    content:"";position:absolute;inset:7px;border-radius:3px;
    background:var(--ink);
  }
  .brand-text{font-size:18px;font-weight:700;letter-spacing:-.02em;white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:20px;flex:0 0 auto}
  .nav-link{
    position:relative;font-size:14px;color:var(--muted);
    padding:24px 0;transition:color .2s var(--ease);white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;
    background:var(--mint);border-radius:2px;transform:scaleX(0);
    transform-origin:left;transition:transform .22s var(--ease);
  }
  .nav-link:hover{color:var(--body)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--mint)}
  .nav-link.is-active::after{transform:scaleX(1)}
  .nav-search{
    flex:1 1 auto;min-width:0;max-width:400px;margin-left:auto;
    display:flex;align-items:center;gap:8px;height:44px;
    padding:0 8px 0 16px;border-radius:999px;
    background:var(--panel-2);border:1px solid var(--line);
    transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
  }
  .nav-search:focus-within{border-color:var(--mint);box-shadow:0 0 0 4px rgba(43,232,176,.15)}
  .nav-search svg{width:18px;height:18px;color:var(--faint);flex:0 0 18px}
  .nav-search input{
    flex:1;min-width:0;background:none;border:0;outline:0;font-size:14px;color:var(--body)
  }
  .nav-search input::placeholder{color:var(--faint)}
  .kbd{
    font-family:"Inter",ui-monospace,monospace;font-size:11px;color:var(--faint);
    border:1px solid var(--line);border-radius:6px;padding:1px 7px;line-height:1.6;
  }
  .nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:8px}
  .nav-login{font-size:14px;color:var(--muted);transition:color .2s var(--ease)}
  .nav-login:hover{color:var(--mint)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border:1px solid transparent;border-radius:var(--r-sm);cursor:pointer;
    font-weight:700;font-size:15px;line-height:1;
    transition:transform .18s var(--ease), background .2s var(--ease), border-color .2s var(--ease), box-shadow .22s var(--ease), color .2s var(--ease);
  }
  .btn-primary{background:var(--mint);color:#06110D;height:48px;padding:0 22px}
  .btn-primary:hover{background:var(--mint-soft);transform:translateY(-1px);box-shadow:var(--shadow-mint)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.94)}
  .btn-ghost{
    background:transparent;color:var(--body);height:48px;padding:0 22px;
    border-color:rgba(255,255,255,.18);
  }
  .btn-ghost:hover{border-color:var(--line-mint);background:rgba(43,232,176,.08);color:var(--mint)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
  .btn-block{width:100%}
  .btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--mint)
  }
  .link-arrow span{transition:transform .2s var(--ease)}
  .link-arrow:hover span{transform:translateX(3px)}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:12px;
    background:var(--panel-2);border:1px solid var(--line);
    align-items:center;justify-content:center;cursor:pointer;flex:0 0 44px;
  }
  .nav-toggle svg{width:20px;height:20px;color:var(--body)}

  /* 移动抽屉 */
  .drawer{
    display:none;border-top:1px solid var(--line);background:#0B1113;padding:18px 0 24px;
  }
  .drawer.is-open{display:block}
  .drawer .nav-search{max-width:none;width:100%;margin:0 0 16px}
  .drawer-links{display:grid;gap:6px}
  .drawer-links a{
    display:block;padding:12px 14px;border-radius:12px;font-size:15px;color:var(--muted);
    border:1px solid transparent;transition:.2s var(--ease);
  }
  .drawer-links a:hover,.drawer-links a.is-active{
    color:var(--mint);background:rgba(43,232,176,.07);border-color:var(--line-mint)
  }
  .drawer-actions{display:flex;gap:12px;margin-top:16px}
  .drawer-actions .btn{flex:1}

  /* ---------- 通用区块 ---------- */
  .section{padding:56px 0}
  @media(min-width:768px){.section{padding:72px 0}}
  @media(min-width:1024px){.section{padding:88px 0}}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
  .section-title{font-size:26px}
  @media(min-width:1024px){.section-title{font-size:34px}}
  .section-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:620px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
    letter-spacing:.08em;text-transform:uppercase;color:var(--mint);
  }
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
    background:rgba(43,232,176,.12);color:var(--mint);border:1px solid rgba(43,232,176,.22);
  }
  .badge-amber{background:rgba(255,180,84,.13);color:var(--amber);border-color:rgba(255,180,84,.28)}
  .badge-gray{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line)}
  .divider{height:1px;background:var(--line);border:0;margin:0}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;
    font-size:13px;color:var(--faint);padding:22px 0 0;
  }
  .breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
  .breadcrumb a:hover{color:var(--mint)}
  .breadcrumb .sep{color:rgba(255,255,255,.2)}
  .breadcrumb .current{color:var(--faint)}

  /* ---------- 分类页头 ---------- */
  .page-hero{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    border:1px solid var(--line);margin-top:20px;
    background:#0C1214 url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    box-shadow:var(--shadow);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(480px 320px at 88% 8%, rgba(43,232,176,.16), transparent 70%),
      radial-gradient(420px 300px at 4% 96%, rgba(255,180,84,.12), transparent 72%),
      linear-gradient(180deg, rgba(10,14,16,.86), rgba(10,14,16,.96));
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size:40px 40px;
    -webkit-mask-image:radial-gradient(70% 70% at 50% 40%, #000 20%, transparent 100%);
    mask-image:radial-gradient(70% 70% at 50% 40%, #000 20%, transparent 100%);
  }
  .page-hero-inner{position:relative;z-index:2;padding:40px 24px}
  @media(min-width:768px){.page-hero-inner{padding:56px 44px}}
  @media(min-width:1024px){.page-hero-inner{padding:64px 56px}}
  .page-hero h1{
    font-size:30px;margin:16px 0 16px;max-width:760px;
  }
  @media(min-width:768px){.page-hero h1{font-size:38px}}
  @media(min-width:1024px){.page-hero h1{font-size:44px}}
  .page-hero h1 em{font-style:normal;color:var(--mint)}
  .page-lead{color:var(--muted);font-size:16px;max-width:660px;line-height:1.9}
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .stat-strip{
    display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
    margin-top:32px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
    background:var(--line);
  }
  @media(min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr);max-width:720px}}
  .stat-cell{background:rgba(16,23,25,.86);padding:16px 18px}
  .stat-num{
    font-family:"Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums;
    font-size:26px;font-weight:700;color:var(--mint);line-height:1.2;
  }
  .stat-label{font-size:12.5px;color:var(--muted);margin-top:4px}
  .anchor-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
  .anchor-tabs a{
    font-size:13.5px;color:var(--muted);padding:8px 16px;border-radius:999px;
    border:1px solid var(--line);background:rgba(255,255,255,.02);transition:.2s var(--ease)
  }
  .anchor-tabs a:hover{color:var(--mint);border-color:var(--line-mint);background:rgba(43,232,176,.08)}

  /* ---------- 时间线 ---------- */
  .agenda-layout{display:grid;gap:28px}
  @media(min-width:1024px){.agenda-layout{grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}}
  .timeline{position:relative;padding:4px 0}
  .timeline::before{
    content:"";position:absolute;left:111px;top:14px;bottom:14px;width:1px;
    background:linear-gradient(180deg, rgba(43,232,176,.55), rgba(43,232,176,.06));
  }
  .tl-item{
    position:relative;display:flex;gap:24px;padding:20px 0;
    border-bottom:1px solid rgba(255,255,255,.05);
  }
  .tl-item:last-child{border-bottom:0}
  .tl-time{flex:0 0 96px;width:96px;font-family:"Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums}
  .tl-hh{display:block;font-size:19px;font-weight:700;letter-spacing:-.01em}
  .tl-date{display:block;font-size:12.5px;color:var(--faint);margin-top:2px}
  .tl-dot{
    position:absolute;left:106px;top:28px;width:11px;height:11px;border-radius:50%;
    background:#2a3634;box-shadow:0 0 0 3px rgba(10,14,16,1);
  }
  .tl-item.is-now .tl-dot{
    background:var(--mint);box-shadow:0 0 0 3px rgba(10,14,16,1),0 0 0 8px rgba(43,232,176,.16);
  }
  .tl-item.is-now .tl-hh{color:var(--mint)}
  .tl-body{flex:1;min-width:0;padding-left:4px}
  .tl-title{font-size:18px;font-weight:700;line-height:1.5}
  @media(min-width:768px){.tl-title{font-size:19px}}
  .tl-desc{color:var(--muted);font-size:14.5px;margin-top:6px}
  .tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
  .tag{
    font-size:12px;color:var(--muted);border:1px solid var(--line);
    padding:3px 10px;border-radius:999px;background:rgba(255,255,255,.02);
  }
  .tag-mint{color:var(--mint);border-color:rgba(43,232,176,.3);background:rgba(43,232,176,.08)}
  .tag-amber{color:var(--amber);border-color:rgba(255,180,84,.3);background:rgba(255,180,84,.09)}

  /* 报名窗口玻璃卡 */
  .glass-card{
    border-radius:var(--r-md);
    background:rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.1);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    box-shadow:var(--shadow);
    padding:24px;
  }
  .glass-card h3{font-size:19px;margin-bottom:6px}
  .glass-card .glass-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
  .win-row{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.09)}
  .win-row:last-of-type{border-bottom:0}
  .win-row span:first-child{color:var(--faint)}
  .win-row span:last-child{font-family:"Inter",ui-monospace,monospace;color:var(--body)}
  .progress{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin:14px 0 8px}
  .progress i{display:block;height:100%;width:64%;border-radius:999px;background:linear-gradient(90deg,var(--mint),var(--mint-soft))}
  .progress-note{font-size:12px;color:var(--faint);margin-bottom:18px}

  /* ---------- 亮点卡 ---------- */
  .hl-grid{display:grid;gap:22px;grid-template-columns:1fr}
  @media(min-width:900px){
    .hl-grid{grid-template-columns:1.05fr .95fr;grid-auto-rows:minmax(0,auto)}
    .hl-card.is-feature{grid-row:span 2}
  }
  .hl-card{
    position:relative;display:flex;flex-direction:column;overflow:hidden;
    background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
    transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .hl-card:hover{transform:translateY(-3px);border-color:var(--line-mint);box-shadow:0 18px 40px rgba(0,0,0,.45)}
  .hl-media{position:relative;aspect-ratio:16/10;background:#131A1D;overflow:hidden}
  .hl-card.is-feature .hl-media{aspect-ratio:16/11}
  .hl-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
  .hl-card:hover .hl-media img{transform:scale(1.04)}
  .hl-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(10,14,16,.05) 40%,rgba(10,14,16,.85));
  }
  .hl-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .hl-title{font-size:19px}
  .hl-text{font-size:14px;color:var(--muted)}
  .hl-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--faint)}

  /* ---------- FAQ ---------- */
  .faq-wrap{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
    min-height:60px;padding:16px 0;font-size:16px;font-weight:600;
    transition:color .2s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--mint)}
  .faq-item summary .fx{
    margin-left:auto;flex:0 0 22px;width:22px;height:22px;position:relative;
    transition:transform .25s var(--ease);
  }
  .faq-item summary .fx::before,
  .faq-item summary .fx::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--mint);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-item summary .fx::before{width:14px;height:2px}
  .faq-item summary .fx::after{width:2px;height:14px;transition:opacity .2s var(--ease)}
  .faq-item[open] summary{color:var(--mint)}
  .faq-item[open] summary .fx{transform:rotate(45deg)}
  .faq-answer{
    border-left:3px solid rgba(43,232,176,.5);
    padding:0 0 4px 16px;margin:0 0 18px;
    font-size:15px;color:var(--muted);line-height:1.85;
  }

  /* ---------- CTA 横幅 ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    border:1px solid var(--line);background:#0C1214;box-shadow:var(--shadow);
    padding:32px 24px;
  }
  @media(min-width:768px){.cta-band{padding:40px 44px}}
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(460px 300px at 92% 10%, rgba(43,232,176,.16), transparent 70%),
      radial-gradient(360px 260px at 0% 100%, rgba(255,180,84,.1), transparent 72%);
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
    background-size:40px 40px;
    -webkit-mask-image:radial-gradient(80% 90% at 60% 40%, #000 10%, transparent 100%);
    mask-image:radial-gradient(80% 90% at 60% 40%, #000 10%, transparent 100%);
  }
  .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
  .cta-inner h2{font-size:24px}
  @media(min-width:768px){.cta-inner h2{font-size:28px}}
  .cta-inner p{color:var(--muted);font-size:14.5px;margin-top:8px;max-width:560px}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#0C1214;border-top:1px solid var(--line);margin-top:64px;position:relative;
  }
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(43,232,176,.5),transparent);
  }
  .footer-grid{display:grid;gap:32px;padding:48px 0 36px;grid-template-columns:1fr}
  @media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr .8fr .8fr 1fr}}
  .footer-desc{color:var(--muted);font-size:13.5px;line-height:1.9;margin-top:16px;max-width:420px}
  .socials{display:flex;gap:10px;margin-top:20px}
  .socials a{
    width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);color:var(--muted);transition:.2s var(--ease);
  }
  .socials a svg{width:17px;height:17px}
  .socials a:hover{color:var(--mint);border-color:var(--line-mint);background:rgba(43,232,176,.08)}
  .footer-col h4{font-size:14px;letter-spacing:.02em;margin-bottom:14px;color:var(--body)}
  .footer-col ul{display:grid;gap:10px}
  .footer-col a,.footer-col p{font-size:13.5px;color:var(--muted);line-height:1.9}
  .footer-col a{transition:color .2s var(--ease)}
  .footer-col a:hover{color:var(--mint)}
  .footer-bottom{
    border-top:1px solid var(--line);padding:20px 0 28px;
    display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
    font-size:12.5px;color:var(--faint);
  }

  /* ---------- 响应式 ---------- */
  @media(max-width:1100px){
    .nav-search{max-width:280px}
    .nav-links{gap:16px}
  }
  @media(max-width:1023px){
    .nav-links{display:none}
    .nav-toggle{display:inline-flex}
    .nav-search{display:none}
    .nav-actions .btn{display:none}
    .nav-wrap{gap:12px}
    .brand{margin-right:auto}
  }
  @media(max-width:767px){
    .nav-wrap{height:64px}
    .brand-text{font-size:15px}
    .nav-login{display:none}
    .timeline::before{display:none}
    .tl-item{gap:14px;padding:18px 0}
    .tl-time{flex:0 0 72px;width:72px}
    .tl-hh{font-size:16px}
    .tl-dot{display:none}
    .footer-bottom{justify-content:center;text-align:center}
    .cta-inner{flex-direction:column;align-items:flex-start}
  }
  @media(max-width:520px){
    .page-hero-inner{padding:32px 20px}
    .stat-strip{grid-template-columns:1fr 1fr}
    .cta-band{padding:26px 20px}
    .hl-body{padding:16px}
  }
  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    html{scroll-behavior:auto}
  }

/* roulang page: article */
:root {
    --bg: #0A0E10;
    --bg-soft: #0C1214;
    --surface: #101719;
    --surface-2: #162024;
    --surface-3: #0D1416;
    --primary: #2BE8B0;
    --primary-hover: #45F2C0;
    --primary-ink: #06110D;
    --amber: #FFB454;
    --coral: #FF6B57;
    --text: #EAF2EF;
    --muted: #93A5A1;
    --weak: #6B7C79;
    --border: rgba(255,255,255,.08);
    --border-hover: rgba(255,255,255,.14);
    --border-active: rgba(43,232,176,.35);
    --radius-panel: 20px;
    --radius-card: 16px;
    --radius-btn: 12px;
    --shadow-card: 0 1px 0 rgba(255,255,255,.04) inset, 0 12px 32px rgba(0,0,0,.35);
    --shadow-primary: 0 8px 24px rgba(43,232,176,.28);
    --container: 1240px;
    --ease: cubic-bezier(.22,.61,.36,1);
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    color-scheme: dark;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }

  body::selection {
    background: rgba(43,232,176,.28);
    color: var(--text);
  }

  a {
    color: var(--primary);
    text-decoration: none;
    text-underline-offset: 3px;
    transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
  }

  a:hover {
    color: var(--primary-hover);
  }

  img {
    max-width: 100%;
    display: block;
  }

  button,
  input,
  select,
  textarea {
    font: inherit;
  }

  button {
    cursor: pointer;
  }

  h1, h2, h3, h4, p, figure, blockquote, ul, ol {
    margin: 0;
  }

  h1, h2, h3, h4 {
    line-height: 1.25;
    letter-spacing: -0.01em;
  }

  :focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }

  .container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  .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 / navigation */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,14,16,.88);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .nav-shell {
    min-height: 72px;
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
    color: var(--text);
    border-radius: 8px;
  }

  .brand:hover {
    color: var(--text);
  }

  .brand-mark {
    position: relative;
    width: 26px;
    height: 26px;
    border: 1px solid rgba(43,232,176,.62);
    background: linear-gradient(135deg, rgba(43,232,176,.28), rgba(43,232,176,.04));
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(43,232,176,.16);
    flex: 0 0 auto;
  }

  .brand-mark::before {
    content: "";
    position: absolute;
    inset: 6px;
    border: 1px solid var(--primary);
    border-radius: 3px;
  }

  .brand-mark::after {
    content: "";
    position: absolute;
    width: 5px;
    height: 5px;
    right: 2px;
    top: 2px;
    background: var(--amber);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255,180,84,.7);
  }

  .brand-text {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -.02em;
    white-space: nowrap;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    flex: 0 1 auto;
    margin-left: 8px;
  }

  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 72px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 15px;
    height: 2px;
    border-radius: 999px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .22s var(--ease);
  }

  .nav-link:hover,
  .nav-link.is-active {
    color: var(--primary);
  }

  .nav-link:hover::after,
  .nav-link.is-active::after {
    transform: scaleX(1);
  }

  .nav-search {
    flex: 1 1 auto;
    max-width: 520px;
    margin: 0 auto;
  }

  .search-form {
    position: relative;
    display: flex;
    align-items: center;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-3);
    transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
  }

  .search-form:focus-within {
    border-color: rgba(43,232,176,.7);
    box-shadow: 0 0 0 4px rgba(43,232,176,.13);
    background: #0B1113;
  }

  .search-icon {
    position: absolute;
    left: 15px;
    width: 18px;
    height: 18px;
    color: var(--weak);
    pointer-events: none;
  }

  .search-icon svg {
    width: 18px;
    height: 18px;
  }

  .search-input {
    width: 100%;
    height: 100%;
    border: 0;
    outline: 0;
    color: var(--text);
    background: transparent;
    border-radius: inherit;
    padding: 0 54px 0 44px;
    font-size: 14px;
  }

  .search-input::placeholder {
    color: var(--weak);
  }

  .search-kbd {
    position: absolute;
    right: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--weak);
    font-family: Inter, "Space Grotesk", ui-monospace, monospace;
    font-size: 12px;
    line-height: 1;
    background: rgba(255,255,255,.035);
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
  }

  .nav-login {
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 4px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
  }

  .nav-login:hover {
    color: var(--primary);
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 22px;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: transform .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), opacity .2s var(--ease);
  }

  .btn:hover {
    transform: translateY(-1px);
  }

  .btn:active {
    transform: translateY(0);
    filter: brightness(.94);
  }

  .btn:disabled,
  .btn[aria-disabled="true"] {
    opacity: .45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
  }

  .btn-primary {
    background: var(--primary);
    color: var(--primary-ink);
    border-color: var(--primary);
    box-shadow: var(--shadow-primary);
  }

  .btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: var(--primary-ink);
  }

  .btn-secondary {
    background: transparent;
    color: var(--text);
    border-color: rgba(255,255,255,.18);
  }

  .btn-secondary:hover {
    border-color: rgba(43,232,176,.45);
    background: rgba(43,232,176,.08);
    color: var(--text);
  }

  .btn-sm {
    min-height: 40px;
    padding: 0 16px;
    font-size: 14px;
  }

  .btn-block {
    width: 100%;
  }

  .icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    color: var(--muted);
    background: rgba(255,255,255,.025);
    transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
  }

  .icon-btn:hover {
    color: var(--primary);
    border-color: var(--border-active);
    background: rgba(43,232,176,.07);
  }

  .icon-btn svg {
    width: 20px;
    height: 20px;
  }

  .mobile-only {
    display: none;
  }

  .mobile-panel {
    display: none;
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
    padding: 16px 20px 20px;
  }

  .mobile-panel.is-open {
    display: block;
  }

  .mobile-search {
    margin-bottom: 14px;
  }

  .mobile-links {
    display: grid;
    gap: 6px;
  }

  .mobile-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    border-radius: 10px;
    color: var(--muted);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
  }

  .mobile-link:hover,
  .mobile-link.is-active {
    color: var(--primary);
    background: rgba(43,232,176,.07);
    border-color: rgba(43,232,176,.18);
  }

  /* Article head */
  .article-head-section {
    position: relative;
    overflow: hidden;
    padding: 46px 0 42px;
    border-bottom: 1px solid var(--border);
    background:
      radial-gradient(480px circle at 88% 6%, rgba(43,232,176,.06), transparent 68%),
      radial-gradient(420px circle at 8% 92%, rgba(255,180,84,.05), transparent 70%),
      var(--bg);
  }

  .article-head-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.6), transparent 78%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.6), transparent 78%);
    pointer-events: none;
  }

  .article-head-section .container {
    position: relative;
    z-index: 1;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 26px;
    color: var(--weak);
    font-size: 13px;
    line-height: 1.5;
  }

  .breadcrumb a {
    color: var(--weak);
  }

  .breadcrumb a:hover {
    color: var(--primary);
  }

  .breadcrumb-current {
    max-width: 360px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--weak);
  }

  .article-head {
    max-width: 900px;
  }

  .article-badge-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 18px;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: .02em;
    white-space: nowrap;
  }

  .badge-primary {
    color: var(--primary);
    background: rgba(43,232,176,.12);
    border: 1px solid rgba(43,232,176,.16);
  }

  .badge-amber {
    color: var(--amber);
    background: rgba(255,180,84,.1);
    border: 1px solid rgba(255,180,84,.18);
  }

  .badge-soft {
    color: var(--muted);
    background: rgba(255,255,255,.05);
    border: 1px solid var(--border);
  }

  .article-title {
    font-size: clamp(30px, 4.2vw, 48px);
    font-weight: 800;
    color: var(--text);
    max-width: 920px;
    text-wrap: balance;
  }

  .article-lead {
    margin-top: 18px;
    max-width: 820px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.85;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
    color: var(--weak);
    font-size: 13px;
    line-height: 1.6;
  }

  .meta-divider {
    width: 1px;
    height: 12px;
    background: var(--border-hover);
  }

  .article-cover {
    position: relative;
    margin-top: 32px;
    overflow: hidden;
    border-radius: var(--radius-panel);
    border: 1px solid var(--border);
    background: #131A1D;
    box-shadow: var(--shadow-card);
  }

  .article-cover img {
    width: 100%;
    aspect-ratio: 16 / 7.6;
    object-fit: cover;
    background: #131A1D;
  }

  .article-cover figcaption {
    padding: 12px 18px;
    border-top: 1px solid var(--border);
    color: var(--weak);
    background: rgba(16,23,25,.94);
    font-size: 12px;
    line-height: 1.65;
  }

  /* Article body */
  .article-body-section {
    padding: 54px 0 64px;
    background: var(--bg);
  }

  .article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 48px;
    align-items: start;
  }

  .article-main {
    min-width: 0;
  }

  .article-content {
    max-width: 760px;
    color: var(--text);
    font-size: 16px;
    line-height: 1.9;
  }

  .article-content > *:first-child {
    margin-top: 0;
  }

  .article-content p {
    margin: 1.2em 0;
    color: #D8E4E0;
  }

  .article-content h2 {
    margin: 2.4em 0 .8em;
    font-size: clamp(24px, 2.5vw, 32px);
    font-weight: 800;
    color: var(--text);
    scroll-margin-top: 96px;
  }

  .article-content h3 {
    position: relative;
    margin: 2em 0 .7em;
    padding-left: 13px;
    font-size: clamp(19px, 2vw, 22px);
    font-weight: 700;
    color: var(--text);
    scroll-margin-top: 96px;
  }

  .article-content h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: .22em;
    bottom: .22em;
    width: 2px;
    border-radius: 999px;
    background: var(--primary);
  }

  .article-content h4 {
    margin: 1.5em 0 .5em;
    font-size: 18px;
    color: var(--text);
  }

  .article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
  }

  .article-content a:hover {
    color: var(--primary-hover);
  }

  .article-content ul,
  .article-content ol {
    margin: 1.2em 0;
    padding-left: 1.4em;
  }

  .article-content li {
    margin: .5em 0;
    color: #D8E4E0;
  }

  .article-content li::marker {
    color: var(--primary);
  }

  .article-content blockquote {
    margin: 1.6em 0;
    padding: 16px 20px;
    border-left: 3px solid var(--primary);
    border-radius: 0 12px 12px 0;
    background: rgba(43,232,176,.055);
    color: #DCE8E4;
  }

  .article-content img {
    width: 100%;
    height: auto;
    margin: 1.6em 0;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #131A1D;
  }

  .article-content figure {
    margin: 1.6em 0;
  }

  .article-content figcaption {
    margin-top: 8px;
    color: var(--weak);
    font-size: 12px;
    text-align: center;
    line-height: 1.6;
  }

  .article-content table {
    width: 100%;
    margin: 1.6em 0;
    border-collapse: collapse;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    font-size: 14px;
  }

  .article-content th,
  .article-content td {
    padding: 10px 12px;
    border: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
  }

  .article-content th {
    color: var(--text);
    background: rgba(255,255,255,.045);
    font-weight: 700;
  }

  .article-content tr:nth-child(even) td {
    background: rgba(255,255,255,.025);
  }

  .article-content pre {
    margin: 1.4em 0;
    padding: 16px;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-3);
    color: #D8E4E0;
    font-family: Inter, "Space Grotesk", ui-monospace, monospace;
    font-size: 14px;
    line-height: 1.7;
  }

  .article-content code {
    font-family: Inter, "Space Grotesk", ui-monospace, monospace;
    font-size: .92em;
    color: #B7FFF0;
  }

  .empty-state {
    display: grid;
    place-items: center;
    gap: 14px;
    min-height: 280px;
    padding: 48px 24px;
    border: 1px dashed rgba(255,255,255,.14);
    border-radius: var(--radius-card);
    text-align: center;
    background: rgba(255,255,255,.016);
  }

  .empty-state p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
  }

  .article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    max-width: 760px;
    margin-top: 40px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
  }

  .article-tags span {
    margin-right: 4px;
    color: var(--weak);
    font-size: 12px;
    font-weight: 700;
  }

  .article-tags a {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 10px;
    border-radius: 999px;
    color: var(--muted);
    background: rgba(255,255,255,.035);
    border: 1px solid var(--border);
    font-size: 12px;
  }

  .article-tags a:hover {
    color: var(--primary);
    border-color: var(--border-active);
    background: rgba(43,232,176,.08);
  }

  .article-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    max-width: 760px;
    margin-top: 26px;
  }

  .pager-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
  }

  .pager-link {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    color: var(--muted);
    font-size: 13px;
  }

  .pager-link:hover {
    color: var(--primary);
  }

  /* Sidebar */
  .article-sidebar {
    position: sticky;
    top: 92px;
    display: grid;
    gap: 18px;
    align-self: start;
  }

  .toc-card,
  .signup-mini {
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow-card);
  }

  .toc-card {
    padding: 20px;
  }

  .toc-card h2 {
    margin: 0 0 14px;
    color: var(--text);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .01em;
  }

  .toc-list {
    display: grid;
    gap: 3px;
  }

  .toc-list a {
    display: block;
    padding: 7px 0 7px 12px;
    border-left: 2px solid var(--border);
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
    transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
  }

  .toc-list a:hover,
  .toc-list a.is-active {
    color: var(--primary);
    border-left-color: var(--primary);
    background: rgba(43,232,176,.045);
  }

  .toc-list a.toc-h3 {
    padding-left: 22px;
    font-size: 12px;
    color: var(--weak);
  }

  .toc-empty {
    margin: 0;
    padding: 8px 0;
    color: var(--weak);
    font-size: 13px;
    line-height: 1.7;
  }

  .signup-mini {
    position: relative;
    overflow: hidden;
    padding: 20px;
    border-color: rgba(43,232,176,.25);
    background:
      radial-gradient(260px circle at 100% 0, rgba(43,232,176,.11), transparent 70%),
      var(--surface);
  }

  .signup-mini h2 {
    margin: 12px 0 8px;
    color: var(--text);
    font-size: 19px;
    font-weight: 800;
  }

  .signup-mini p {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.75;
  }

  /* Related */
  .related-section {
    padding: 64px 0;
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 30px;
  }

  .section-title {
    color: var(--text);
    font-size: clamp(24px, 2.6vw, 34px);
    font-weight: 800;
  }

  .section-desc {
    max-width: 620px;
    margin-top: 8px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
  }

  .section-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
  }

  .section-link:hover {
    color: var(--primary-hover);
  }

  .section-link svg {
    width: 16px;
    height: 16px;
    transition: transform .2s var(--ease);
  }

  .section-link:hover svg {
    transform: translateX(3px);
  }

  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .related-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow-card);
    transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
  }

  .related-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-active);
    box-shadow: 0 1px 0 rgba(255,255,255,.05) inset, 0 18px 42px rgba(0,0,0,.42);
  }

  .related-thumb {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #131A1D;
  }

  .related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s var(--ease);
  }

  .related-card:hover .related-thumb img {
    transform: scale(1.04);
  }

  .related-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px;
  }

  .related-body h3 {
    margin: 10px 0 8px;
    color: var(--text);
    font-size: 19px;
    font-weight: 800;
    line-height: 1.45;
  }

  .related-body p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.8;
  }

  .related-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--weak);
    font-size: 12px;
  }

  .related-meta svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
    transition: transform .2s var(--ease);
  }

  .related-card:hover .related-meta svg {
    transform: translateX(3px);
  }

  /* FAQ */
  .faq-section {
    padding: 64px 0;
    background: var(--bg);
  }

  .faq-layout {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 54px;
    align-items: start;
  }

  .faq-aside p {
    margin-top: 12px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
  }

  .faq-list {
    border-top: 1px solid var(--border);
  }

  .faq-item {
    border-bottom: 1px solid var(--border);
  }

  .faq-item summary {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 60px;
    padding: 14px 34px 14px 0;
    color: var(--text);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.6;
    cursor: pointer;
    list-style: none;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    color: var(--primary);
    font-size: 22px;
    font-weight: 400;
    line-height: 1;
    transition: transform .22s var(--ease);
  }

  .faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
  }

  .faq-item[open] summary {
    color: var(--primary);
  }

  .faq-answer {
    position: relative;
    padding: 0 0 18px 12px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.85;
  }

  .faq-answer::before {
    content: "";
    position: absolute;
    left: 0;
    top: 3px;
    bottom: 19px;
    width: 3px;
    border-radius: 999px;
    background: var(--primary);
  }

  /* CTA */
  .article-cta-section {
    padding: 64px 0 78px;
    background: var(--bg);
  }

  .cta-banner {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    padding: 40px;
    border-radius: var(--radius-panel);
    border: 1px solid rgba(43,232,176,.23);
    background:
      linear-gradient(90deg, rgba(10,14,16,.96), rgba(10,14,16,.76)),
      url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
    box-shadow: var(--shadow-card);
  }

  .cta-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(420px circle at 90% 20%, rgba(43,232,176,.15), transparent 62%),
      radial-gradient(320px circle at 0 100%, rgba(255,180,84,.08), transparent 65%);
    pointer-events: none;
  }

  .cta-copy {
    position: relative;
    z-index: 1;
    max-width: 680px;
  }

  .cta-copy h2 {
    color: var(--text);
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 800;
  }

  .cta-copy p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
  }

  .cta-actions {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    flex: 0 0 auto;
  }

  /* Footer */
  .site-footer {
    position: relative;
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    padding: 56px 0 26px;
  }

  .site-footer::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(43,232,176,.45), transparent);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.45fr 0.75fr 0.9fr 1fr;
    gap: 34px;
  }

  .footer-desc {
    max-width: 410px;
    margin: 16px 0 18px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.9;
  }

  .socials {
    display: flex;
    align-items: center;
    gap: 9px;
  }

  .socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--muted);
    border: 1px solid var(--border);
    background: rgba(255,255,255,.025);
  }

  .socials a:hover {
    color: var(--primary);
    border-color: var(--border-active);
    background: rgba(43,232,176,.07);
  }

  .socials svg {
    width: 17px;
    height: 17px;
  }

  .footer-col h4 {
    margin: 0 0 16px;
    color: var(--text);
    font-size: 14px;
    font-weight: 800;
  }

  .footer-col ul {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .footer-col li a {
    color: var(--muted);
    font-size: 13px;
  }

  .footer-col li a:hover {
    color: var(--primary);
  }

  .footer-col p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.9;
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 42px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }

  .footer-bottom p {
    color: var(--weak);
    font-size: 12px;
    line-height: 1.7;
  }

  /* Responsive */
  @media (max-width: 1180px) {
    .nav-links {
      gap: 12px;
    }

    .nav-link {
      font-size: 13px;
    }

    .nav-search {
      max-width: 430px;
    }

    .article-layout {
      grid-template-columns: minmax(0, 1fr) 280px;
      gap: 36px;
    }
  }

  @media (max-width: 1024px) {
    .nav-links {
      display: none;
    }

    .nav-search {
      display: none;
    }

    .mobile-only {
      display: inline-flex;
    }

    .nav-shell {
      justify-content: space-between;
    }

    .nav-actions {
      margin-left: auto;
    }

    .article-layout {
      grid-template-columns: 1fr;
      gap: 32px;
    }

    .article-sidebar {
      position: static;
      grid-template-columns: 1fr 1fr;
      align-items: start;
    }

    .article-content {
      max-width: none;
    }

    .faq-layout {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .footer-grid {
      grid-template-columns: 1.4fr 1fr 1fr;
    }

    .footer-grid > div:last-child {
      grid-column: 1 / -1;
      padding-top: 8px;
      border-top: 1px solid var(--border);
    }
  }

  @media (max-width: 768px) {
    .container {
      padding-left: 20px;
      padding-right: 20px;
    }

    .nav-shell {
      min-height: 66px;
      gap: 12px;
    }

    .brand-text {
      font-size: 16px;
    }

    .nav-actions {
      gap: 8px;
    }

    .nav-login {
      display: none;
    }

    .article-head-section {
      padding: 32px 0 34px;
    }

    .breadcrumb {
      margin-bottom: 18px;
    }

    .article-title {
      font-size: clamp(30px, 7vw, 38px);
    }

    .article-lead {
      font-size: 16px;
    }

    .article-cover {
      margin-top: 24px;
    }

    .article-cover img {
      aspect-ratio: 16 / 10;
    }

    .article-body-section,
    .related-section,
    .faq-section,
    .article-cta-section {
      padding-top: 46px;
      padding-bottom: 48px;
    }

    .article-sidebar {
      grid-template-columns: 1fr;
    }

    .related-grid {
      grid-template-columns: 1fr;
    }

    .section-head {
      align-items: flex-start;
      flex-direction: column;
    }

    .cta-banner {
      align-items: flex-start;
      flex-direction: column;
      padding: 28px 22px;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 26px;
    }

    .footer-grid > div:first-child {
      grid-column: 1 / -1;
    }

    .footer-grid > div:last-child {
      grid-column: 1 / -1;
    }

    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
  }

  @media (max-width: 540px) {
    .brand-text {
      font-size: 15px;
    }

    .nav-actions .btn-primary {
      display: none;
    }

    .article-meta {
      gap: 8px;
    }

    .article-actions {
      align-items: flex-start;
      flex-direction: column;
    }

    .pager-links {
      align-items: flex-start;
      flex-direction: column;
      gap: 2px;
    }

    .cta-actions {
      width: 100%;
    }

    .cta-actions .btn {
      width: 100%;
    }

    .footer-grid {
      grid-template-columns: 1fr;
    }

    .footer-grid > div:first-child,
    .footer-grid > div:last-child {
      grid-column: auto;
    }

    .related-body {
      padding: 18px;
    }

    .faq-item summary {
      font-size: 14px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      transition-duration: .01ms !important;
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
    }
  }

/* roulang page: category2 */
:root{
  --bg:#0A0E10;
  --surface:#101719;
  --surface-2:#131C1F;
  --surface-3:#0D1416;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-mint:rgba(43,232,176,.35);
  --mint:#2BE8B0;
  --mint-bright:#45F2C0;
  --mint-soft:rgba(43,232,176,.12);
  --amber:#FFB454;
  --amber-soft:rgba(255,180,84,.13);
  --coral:#FF6B57;
  --text:#EAF2EF;
  --text-2:#93A5A1;
  --text-3:#6B7C79;
  --ink:#06110D;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 12px 32px rgba(0,0,0,.35);
  --shadow-mint:0 8px 24px rgba(43,232,176,.28);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--text);}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--mint);}
img{display:block;max-width:100%;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(43,232,176,.28);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0A0E10;}
::-webkit-scrollbar-thumb{background:#1E2A2D;border-radius:999px;border:2px solid #0A0E10;}
::-webkit-scrollbar-thumb:hover{background:#2A3A3E;}

.container{max-width:var(--max);margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 40px;}}

/* ============ 顶部公告条 ============ */
.topbar{
  background:rgba(13,20,22,.9);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:#C9D6D2;
}
.topbar-inner{display:flex;align-items:center;gap:12px;min-height:38px;padding:6px 0;}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);flex:none;position:relative;}
.topbar-dot::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(43,232,176,.45);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{0%{transform:scale(.6);opacity:.9;}100%{transform:scale(1.6);opacity:0;}}
.topbar-text{flex:1;line-height:1.5;}
.topbar-text strong{color:var(--text);font-weight:600;}
.topbar-close{
  width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  color:var(--text-3);transition:background .2s ease,color .2s ease;
}
.topbar-close:hover{background:rgba(255,255,255,.06);color:var(--text);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,14,16,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(0,0,0,.45);background:rgba(10,14,16,.95);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:none;position:relative;
  background:linear-gradient(135deg,rgba(43,232,176,.95),rgba(43,232,176,.25));
  box-shadow:0 0 0 1px rgba(43,232,176,.35), 0 6px 18px rgba(43,232,176,.22);
}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;border:1.5px solid var(--ink);}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
@media(max-width:1023px){.brand-text{font-size:16.5px;}}

.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:14px;color:var(--text-2);border-radius:10px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--mint);}
.nav-link.is-active::after{transform:scaleX(1);}

.nav-search{
  flex:1;max-width:520px;margin:0 auto;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;border-radius:999px;
  background:var(--surface-3);border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:rgba(43,232,176,.6);box-shadow:0 0 0 4px rgba(43,232,176,.15);}
.nav-search svg{width:18px;height:18px;flex:none;color:var(--text-3);}
.nav-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:14px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search kbd{
  font-family:"Inter",ui-monospace,monospace;font-size:11px;line-height:1;
  color:var(--text-3);border:1px solid var(--line-strong);border-radius:6px;
  padding:4px 6px;flex:none;
}

.header-actions{display:flex;align-items:center;gap:16px;flex:none;}
.link-text{font-size:14px;color:var(--text-2);}
.link-text:hover{color:var(--mint);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;font-weight:600;}
.btn-primary{background:var(--mint);color:var(--ink);box-shadow:0 6px 18px rgba(43,232,176,.2);}
.btn-primary:hover{background:var(--mint-bright);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-mint);}
.btn-primary:active{transform:translateY(0);background:#22D2A0;box-shadow:none;}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-ghost{
  background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:rgba(43,232,176,.45);background:rgba(43,232,176,.08);color:var(--text);}
.btn-ghost:active{background:rgba(43,232,176,.14);}
.btn-text{color:var(--mint);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(3px);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text);
}
.nav-toggle:hover{border-color:var(--line-mint);color:var(--mint);}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#0B1113;
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 16px;border-radius:999px;
  background:var(--surface-3);border:1px solid var(--line);margin-bottom:14px;
}
.drawer-search input{flex:1;background:none;border:0;outline:none;color:var(--text);font-size:14px;}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;
  padding:0 10px;border-radius:12px;font-size:15px;color:var(--text-2);
}
.drawer-links a:hover{background:rgba(255,255,255,.05);color:var(--text);}
.drawer-links a.is-active{color:var(--mint);background:rgba(43,232,176,.08);}
.drawer-cta{margin-top:16px;display:flex;gap:12px;}
.drawer-cta .btn{flex:1;}

@media(max-width:1023px){
  .nav-search{display:none;}
  .nav-links{gap:0;}
  .nav-link{padding:0 9px;font-size:13.5px;}
  .header-actions{gap:10px;}
}
@media(max-width:880px){
  .nav-links,.header-actions .link-text{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;gap:12px;}
  .header-actions{margin-left:auto;}
}
@media(max-width:520px){
  .header-actions .btn-sm{display:none;}
  .brand-text{font-size:15.5px;}
}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:linear-gradient(180deg,rgba(16,23,25,.75),rgba(10,14,16,0));}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mint);font-weight:600;margin-bottom:12px;
}
.section-head h2{font-size:26px;}
@media(min-width:768px){.section-head h2{font-size:32px;}}
@media(min-width:1024px){.section-head h2{font-size:34px;}}
.section-note{font-size:15px;color:var(--text-2);max-width:520px;line-height:1.8;}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-mint{background:var(--mint-soft);color:var(--mint);}
.badge-amber{background:var(--amber-soft);color:var(--amber);}
.badge-gray{background:rgba(255,255,255,.06);color:var(--text-2);}

.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  font-size:12px;color:var(--text-2);background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}

/* ============ 页头 Banner ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(10,14,16,.96) 0%,rgba(10,14,16,.86) 45%,rgba(10,14,16,.55) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse at 30% 40%,#000 10%,transparent 70%);
  mask-image:radial-gradient(ellipse at 30% 40%,#000 10%,transparent 70%);
}
.hero-inner{
  position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:36px;
  padding:48px 0 56px;
}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:1.25fr .75fr;align-items:center;gap:56px;padding:64px 0 72px;}
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-3);}
.page-hero h1{
  font-size:30px;margin:16px 0 18px;letter-spacing:-.015em;
  max-width:16em;
}
@media(min-width:768px){.page-hero h1{font-size:38px;}}
@media(min-width:1024px){.page-hero h1{font-size:46px;}}
.hero-sub{font-size:16px;color:var(--text-2);line-height:1.85;max-width:34em;}
@media(min-width:768px){.hero-sub{font-size:17.5px;}}

.hero-search{
  display:flex;align-items:center;gap:10px;height:52px;max-width:520px;margin-top:28px;
  padding:0 18px;border-radius:999px;background:rgba(13,20,22,.92);
  border:1px solid var(--line-strong);transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-search:focus-within{border-color:rgba(43,232,176,.6);box-shadow:0 0 0 4px rgba(43,232,176,.15);}
.hero-search svg{width:18px;height:18px;color:var(--text-3);flex:none;}
.hero-search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:15px;}
.hero-search input::placeholder{color:var(--text-3);}
.hero-search button{
  height:36px;padding:0 16px;border-radius:999px;background:var(--mint);color:var(--ink);
  font-size:13.5px;font-weight:700;flex:none;transition:background .2s ease,transform .2s ease;
}
.hero-search button:hover{background:var(--mint-bright);transform:translateY(-1px);}

.hero-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#131A1D;}
.hero-card-body{padding:20px 22px 22px;}
.hero-card-title{font-size:13px;color:var(--text-2);letter-spacing:.04em;}
.hero-card-num{
  font-family:"Inter","Space Grotesk",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--mint);margin:6px 0 6px;letter-spacing:-.02em;
}
.hero-card-note{font-size:13px;color:var(--text-3);line-height:1.7;}
.hero-card-divider{height:1px;background:var(--line);margin:16px 0;}
.hero-mini{display:flex;gap:20px;}
.hero-mini div{flex:1;}
.hero-mini span{display:block;font-size:12px;color:var(--text-3);}
.hero-mini strong{
  font-family:"Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums;
  font-size:17px;color:var(--text);font-weight:700;
}

/* ============ 步骤流程 ============ */
.step-list{display:flex;flex-direction:column;gap:14px;}
.step-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  padding:24px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.step-item:hover{border-color:var(--line-mint);transform:translateY(-3px);box-shadow:0 16px 36px rgba(0,0,0,.4);background:var(--surface-2);}
@media(min-width:900px){
  .step-item{grid-template-columns:auto 1fr auto;gap:24px;align-items:center;padding:28px 32px;}
}
.step-num{
  font-family:"Inter","Space Grotesk",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
  font-size:38px;font-weight:800;line-height:1;color:rgba(43,232,176,.2);
  letter-spacing:-.04em;flex:none;
}
@media(min-width:900px){.step-num{font-size:52px;}}
.step-body h3{font-size:19px;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--text-2);line-height:1.8;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.step-time{
  font-size:13px;color:var(--text-3);white-space:nowrap;
  font-family:"Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums;
}
@media(max-width:899px){.step-time{grid-column:2;margin-top:2px;}}

/* ============ FAQ + 侧栏 ============ */
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:1024px){.faq-layout{grid-template-columns:1.45fr .75fr;gap:48px;align-items:start;}}

.faq-list{border-top:1px solid var(--line);margin-top:8px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 0 14px 0;font-size:16px;font-weight:600;color:var(--text);
  position:relative;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--mint);}
.faq-item summary::before{
  content:"";position:absolute;left:-14px;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--mint);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-icon{
  width:22px;height:22px;flex:none;position:relative;border-radius:6px;transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px;}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px;transition:opacity .25s ease;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--mint);}
.faq-body{padding:0 0 20px 0;font-size:15px;color:var(--text-2);line-height:1.85;}
.faq-body p+p{margin-top:10px;}

.side-col{display:flex;flex-direction:column;gap:20px;}
@media(min-width:1024px){.side-col{position:sticky;top:96px;}}

.safety-card{
  border-radius:var(--r-md);padding:24px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-left:3px solid var(--amber);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}
.safety-card h3{font-size:18px;margin-bottom:6px;}
.safety-card .lead{font-size:13.5px;color:var(--text-3);margin-bottom:16px;}
.safety-list{display:flex;flex-direction:column;gap:14px;margin-bottom:20px;}
.safety-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.safety-list svg{width:18px;height:18px;flex:none;color:var(--amber);margin-top:4px;}

.quick-card{
  border-radius:var(--r-md);padding:22px 24px;background:var(--surface);border:1px solid var(--line);
}
.quick-card h3{font-size:16px;margin-bottom:14px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);transition:all .2s ease;
}
.pill:hover{color:var(--mint);border-color:rgba(43,232,176,.45);background:rgba(43,232,176,.08);}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:40px 28px;}
@media(min-width:768px){.cta-band{padding:48px 44px;}}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(480px 320px at 88% 12%,rgba(43,232,176,.10),transparent 70%),
             radial-gradient(420px 300px at 6% 92%,rgba(255,180,84,.09),transparent 70%),
             linear-gradient(160deg,#121B1E,#0B1113);
  border:1px solid var(--line);border-radius:inherit;
}
.cta-band::after{
  content:"";position:absolute;inset:0;z-index:0;border-radius:inherit;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 5%,transparent 75%);
  mask-image:radial-gradient(ellipse at 70% 30%,#000 5%,transparent 75%);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:26px;}
@media(min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}}
.cta-inner h2{font-size:24px;margin-bottom:12px;}
@media(min-width:768px){.cta-inner h2{font-size:30px;}}
.cta-inner p{font-size:15px;color:var(--text-2);max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:#0C1214;border-top:1px solid var(--line);
  padding:56px 0 26px;margin-top:24px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,232,176,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;margin-top:16px;max-width:34em;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);transition:all .2s ease;
}
.socials a svg{width:18px;height:18px;}
.socials a:hover{color:var(--mint);border-color:rgba(43,232,176,.45);background:rgba(43,232,176,.08);transform:translateY(-2px);}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--mint);}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.9;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--text-3);
}
@media(min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}}
@media(max-width:639px){.footer-bottom{text-align:center;align-items:center;}}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(19,28,31,.92);border:1px solid var(--line-strong);color:var(--text-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .25s ease;backdrop-filter:blur(8px);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--mint);border-color:var(--line-mint);}
.to-top svg{width:20px;height:20px;}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg:#0A0E10;
  --surface:#10171A;
  --surface-2:#0D1416;
  --float:#162024;
  --primary:#2BE8B0;
  --primary-hover:#45F2C0;
  --accent:#FFB454;
  --danger:#FF6B57;
  --text:#EAF2EF;
  --text-2:#93A5A1;
  --text-3:#6B7C79;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(255,255,255,.14);
  --line-active:rgba(43,232,176,.35);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 12px 32px rgba(0,0,0,.35);
  --glow:0 8px 24px rgba(43,232,176,.28);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
[hidden]{display:none !important}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px}}

/* 公告条 */
.announce{background:#0C1214;border-bottom:1px solid var(--line);font-size:13px;color:#C9D6D2}
.announce .container{display:flex;align-items:center;gap:10px;min-height:40px}
.announce-dot{width:7px;height:7px;flex:none;border-radius:50%;background:var(--primary);animation:pulse 2.4s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(43,232,176,.5)}
  70%{box-shadow:0 0 0 8px rgba(43,232,176,0)}
  100%{box-shadow:0 0 0 0 rgba(43,232,176,0)}
}
.announce-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.announce-close{margin-left:auto;flex:none;color:var(--text-3);font-size:18px;line-height:1;padding:6px 8px;border-radius:8px;transition:color .18s,background .18s}
.announce-close:hover{color:var(--text);background:rgba(255,255,255,.06)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,16,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;color:var(--text)}
.brand-mark{
  position:relative;width:24px;height:24px;flex:none;border-radius:7px;
  background:linear-gradient(135deg,var(--primary),#0F8F70);
  box-shadow:inset 0 0 0 1px rgba(6,17,13,.5),0 0 18px rgba(43,232,176,.32);
}
.brand-mark::after{content:"";position:absolute;inset:7px;border:1.5px solid rgba(6,17,13,.78);border-radius:3px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;flex:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 10px;
  font-size:14px;color:var(--text-2);transition:color .18s;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:18px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary)}
.nav-search{position:relative;flex:1 1 180px;min-width:150px;max-width:340px}
.nav-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--text-3);pointer-events:none}
.nav-search input{
  width:100%;height:44px;border-radius:999px;padding:0 54px 0 42px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text);font-size:14px;
  outline:none;transition:border-color .18s,box-shadow .18s,background .18s;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{border-color:var(--line-active);box-shadow:0 0 0 4px rgba(43,232,176,.15);background:#0B1113}
.nav-search kbd{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-family:"Inter",ui-monospace,monospace;font-size:11px;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;line-height:1.5;
}
.header-actions{display:flex;align-items:center;gap:14px;flex:none;margin-left:auto}
.nav-login{font-size:14px;color:var(--text-2);transition:color .18s}
.nav-login:hover{color:var(--primary)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--text);flex:none;
}
.nav-toggle:hover{border-color:var(--line-hover);background:rgba(255,255,255,.04)}
.nav-toggle svg{width:20px;height:20px}
.mobile-search-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--text-2);flex:none;
}
.mobile-search-btn:hover{color:var(--primary);border-color:var(--line-hover)}
.mobile-search-btn svg{width:19px;height:19px}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#0B1113;
  padding:16px 0 22px;
}
.mobile-panel.is-open{display:block}
.mobile-search{position:relative;margin-bottom:16px}
.mobile-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--text-3)}
.mobile-search input{
  width:100%;height:46px;border-radius:12px;padding:0 16px 0 42px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text);font-size:15px;outline:none;
}
.mobile-search input:focus{border-color:var(--line-active);box-shadow:0 0 0 4px rgba(43,232,176,.15)}
.mobile-nav{display:grid;gap:4px;margin-bottom:16px}
.mobile-nav a{
  display:flex;align-items:center;min-height:46px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--text-2);border:1px solid transparent;transition:.18s;
}
.mobile-nav a:hover,.mobile-nav a.is-active{color:var(--primary);background:rgba(43,232,176,.08);border-color:var(--line-active)}
.mobile-login{display:block;text-align:center;margin-top:12px;font-size:14px;color:var(--text-2)}
.mobile-login:hover{color:var(--primary)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,background .18s,border-color .18s,box-shadow .18s,color .18s;
}
.btn-primary{background:var(--primary);color:#06110D;box-shadow:var(--glow)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 10px 28px rgba(43,232,176,.34)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{border-color:rgba(43,232,176,.45);background:rgba(43,232,176,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.btn-text svg{width:15px;height:15px;transition:transform .18s}
.btn-text:hover svg{transform:translateX(3px)}

/* 页头 */
.page-head{
  position:relative;overflow:hidden;padding:36px 0 48px;border-bottom:1px solid var(--line);
  background:
    radial-gradient(600px 300px at 88% -12%, rgba(43,232,176,.11), transparent 72%),
    radial-gradient(520px 280px at 2% 112%, rgba(255,180,84,.07), transparent 72%),
    var(--bg);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(circle at 50% 15%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 50% 15%,#000,transparent 76%);
}
.page-head .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:20px}
.crumbs a{color:var(--text-2);transition:color .18s}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3)}
.crumbs .current{color:var(--text-3)}
.page-head h1{
  font-size:clamp(30px,4.4vw,46px);line-height:1.22;font-weight:800;letter-spacing:-.01em;
  max-width:900px;margin-bottom:18px;
}
.page-head h1 .hl{color:var(--primary)}
.page-lead{max-width:760px;font-size:17px;line-height:1.85;color:var(--text-2)}
.page-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.page-meta span{display:inline-flex;align-items:center;gap:7px}
.page-meta i{width:5px;height:5px;border-radius:50%;background:var(--primary);display:inline-block}

/* 筛选 chips */
.filters{margin-top:28px}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.chip-row::-webkit-scrollbar{height:6px}
.chip-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:999px}
.chip{
  flex:none;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-2);font-size:14px;font-weight:600;
  transition:.18s;display:inline-flex;align-items:center;
}
.chip:hover{color:var(--text);border-color:var(--line-hover);background:rgba(255,255,255,.06)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#06110D;box-shadow:var(--glow)}

/* 板块 */
.section{padding:72px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:56px 0}
@media (min-width:1024px){.section-tight{padding:72px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(43,232,176,.12);color:var(--primary);font-size:12px;font-weight:700;
  letter-spacing:.02em;margin-bottom:14px;
}
.eyebrow.amber{background:rgba(255,180,84,.14);color:var(--accent)}

/* 游戏网格 */
.game-grid{display:grid;gap:20px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:768px){.game-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:1180px){.game-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.game-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:transform .22s ease,border-color .22s,box-shadow .22s;
}
.game-card:hover,.game-card:focus-within{transform:translateY(-3px);border-color:var(--line-active);box-shadow:var(--shadow)}
.game-media{position:relative;aspect-ratio:4/3;background:#131A1D;overflow:hidden}
.game-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.game-card:hover .game-media img,.game-card:focus-within .game-media img{transform:scale(1.04)}
.game-badge{
  position:absolute;top:12px;left:12px;z-index:2;height:24px;padding:0 10px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;
  background:rgba(10,14,16,.78);color:var(--primary);border:1px solid rgba(43,232,176,.35);
  backdrop-filter:blur(6px);
}
.game-badge.amber{color:var(--accent);border-color:rgba(255,180,84,.4)}
.game-overlay{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 16px;font-size:13px;color:var(--text);
  background:linear-gradient(to top,rgba(6,17,13,.96),rgba(6,17,13,.55) 62%,transparent);
  transform:translateY(100%);opacity:0;
  transition:transform .3s ease,opacity .3s ease;
}
.game-card:hover .game-overlay,.game-card:focus-within .game-overlay{transform:translateY(0);opacity:1}
.game-overlay span:last-child{color:var(--primary);font-weight:600}
.game-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.game-body h3{font-size:16px;line-height:1.5;font-weight:700}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(43,232,176,.12);color:var(--primary);
}
.tag-ghost{background:rgba(255,255,255,.05);color:var(--text-2)}
.tag-amber{background:rgba(255,180,84,.14);color:var(--accent)}

/* 空态 */
.empty-state{
  border:1px dashed rgba(255,255,255,.12);border-radius:var(--r-md);
  padding:40px 24px;text-align:center;color:var(--text-2);font-size:14px;
}
.empty-state svg{width:40px;height:40px;margin:0 auto 12px;color:var(--text-3)}

/* 分页 */
.pager{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:40px}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 10px;border-radius:10px;
  border:1px solid var(--line);color:var(--text-2);font-size:14px;font-variant-numeric:tabular-nums;
  transition:.18s;
}
.pager a:hover{color:var(--primary);border-color:var(--line-active);background:rgba(43,232,176,.08)}
.pager .is-current{background:var(--primary);border-color:var(--primary);color:#06110D;font-weight:700}
.pager .is-disabled{opacity:.4;cursor:not-allowed}

/* 精选组合 */
.feature-list{display:grid;gap:24px}
.feature-row{
  display:grid;gap:0;grid-template-columns:1fr;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:border-color .22s,box-shadow .22s;
}
.feature-row:hover{border-color:var(--line-active);box-shadow:var(--shadow)}
.feature-media{position:relative;background:#131A1D;aspect-ratio:16/10;overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.feature-row:hover .feature-media img{transform:scale(1.03)}
.feature-body{padding:26px 24px;display:flex;flex-direction:column;gap:14px}
@media (min-width:900px){
  .feature-row{grid-template-columns:1fr 1fr}
  .feature-body{padding:34px 32px}
  .feature-row.reverse .feature-media{order:2}
  .feature-row.reverse .feature-body{order:1}
}
.feature-body h3{font-size:22px;line-height:1.45}
.feature-body p{font-size:15px;color:var(--text-2);line-height:1.85}
.feature-facts{display:grid;gap:10px;margin-top:2px}
.feature-facts li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.feature-facts i{
  flex:none;width:18px;height:18px;border-radius:50%;margin-top:4px;
  background:rgba(43,232,176,.14);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-style:normal;font-weight:700;
}

/* 数据条 */
.stat-band{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
@media (min-width:900px){.stat-band{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-cell{background:var(--surface);padding:24px 22px}
.stat-cell strong{
  display:block;font-size:28px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.3;
}
.stat-cell span{display:block;margin-top:6px;font-size:13px;color:var(--text-2)}
.stat-cell small{display:block;margin-top:4px;font-size:12px;color:var(--text-3)}

/* FAQ */
.faq-wrap{display:grid;gap:32px}
@media (min-width:1024px){.faq-wrap{grid-template-columns:.85fr 1.15fr;gap:56px}}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:18px 0;font-size:16px;font-weight:600;cursor:pointer;
  list-style:none;transition:color .18s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--primary)}
.faq summary::after{
  content:"+";flex:none;color:var(--primary);font-size:22px;line-height:1;
  font-weight:400;transition:transform .22s ease;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{
  margin:0 0 18px;padding-left:14px;border-left:3px solid var(--primary);
  font-size:15px;line-height:1.85;color:var(--text-2);
}

/* CTA 横幅 */
.cta-banner{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:
    radial-gradient(520px 240px at 82% 10%, rgba(43,232,176,.14), transparent 70%),
    radial-gradient(420px 220px at 6% 100%, rgba(255,180,84,.10), transparent 70%),
    var(--surface);
  padding:36px 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
@media (min-width:900px){.cta-banner{padding:44px 44px}}
.cta-banner h2{font-size:clamp(22px,2.8vw,30px);line-height:1.35;margin-bottom:10px}
.cta-banner p{font-size:15px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{position:relative;background:#0C1214;border-top:1px solid var(--line);margin-top:24px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,232,176,.45),transparent);
}
.footer-grid{display:grid;gap:32px;padding:56px 0 40px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:420px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:.18s;
}
.socials a:hover{color:var(--primary);border-color:var(--line-active);background:rgba(43,232,176,.08);transform:translateY(-2px)}
.socials svg{width:17px;height:17px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .18s}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:14px;line-height:1.9;color:var(--text-2)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 32px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  font-size:13px;color:var(--text-3);
}
@media (max-width:767px){.footer-bottom{justify-content:center;text-align:center}}

/* 响应式导航 */
@media (max-width:1119px){
  .header-inner{gap:12px}
  .nav-link{font-size:13px;padding:0 7px}
  .nav-link::after{left:7px;right:7px}
  .nav-search{max-width:280px}
  .brand-text{font-size:17px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-search{display:none}
  .header-actions .nav-login{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-search-btn{display:inline-flex}
  .header-actions{margin-left:0}
  .header-inner{height:64px}
  .brand-text{font-size:17px}
}
@media (max-width:519px){
  .header-actions .btn-primary{height:38px;padding:0 12px;font-size:13px;border-radius:10px}
  .page-head{padding:26px 0 38px}
  .page-lead{font-size:15.5px}
  .game-grid{gap:14px}
  .game-body{padding:12px 13px 14px}
  .game-body h3{font-size:14.5px}
  .tag{height:22px;padding:0 8px;font-size:11.5px}
  .stat-cell{padding:18px 16px}
  .stat-cell strong{font-size:24px}
  .feature-body{padding:22px 18px}
  .cta-banner{padding:28px 20px}
  .chip{height:36px;padding:0 13px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --bg:#0A0E10;
  --surface:#10171A;
  --surface-2:#162024;
  --mint:#2BE8B0;
  --mint-soft:#45F2C0;
  --amber:#FFB454;
  --coral:#FF6B57;
  --text:#EAF2EF;
  --muted:#93A5A1;
  --faint:#6B7C79;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --mint-line:rgba(43,232,176,.35);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 0 rgba(255,255,255,.04) inset,0 12px 32px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
::selection{background:rgba(43,232,176,.28);color:#06110D}
.visually-hidden{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(--mint);outline-offset:2px;border-radius:6px}

/* 容器 */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px}}

/* 顶部公告条 */
.topbar{
  background:rgba(16,23,26,.92);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:#C9D6D2;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 4px rgba(43,232,176,.14);
  flex:none;
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(43,232,176,.14)}
  50%{box-shadow:0 0 0 8px rgba(43,232,176,.04)}
}
.topbar-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-close{
  flex:none;width:28px;height:28px;border-radius:8px;
  background:transparent;border:1px solid transparent;color:var(--faint);
  font-size:16px;line-height:1;cursor:pointer;transition:all .18s ease;
}
.topbar-close:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.04)}

/* 头部与导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,16,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;gap:22px;height:72px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);
  white-space:nowrap;flex:none;
}
.brand-mark{
  width:24px;height:24px;border-radius:7px;flex:none;position:relative;
  background:linear-gradient(135deg,var(--mint),#0F8F6D);
  box-shadow:0 0 0 1px rgba(43,232,176,.5) inset,0 6px 18px rgba(43,232,176,.22);
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border:2px solid #06110D;border-radius:3px;
}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 12px;border-radius:10px;
  font-size:14px;color:var(--muted);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--mint);background:rgba(43,232,176,.06)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--mint);
}
.nav-search{position:relative;flex:1;max-width:520px;margin:0 auto}
.nav-search .search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--faint);pointer-events:none;
}
.search-input{
  width:100%;height:44px;border-radius:999px;
  background:#0D1416;border:1px solid var(--line);
  color:var(--text);font-size:14px;padding:0 60px 0 44px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-input::placeholder{color:var(--faint)}
.search-input:focus{
  outline:none;border-color:var(--mint-line);background:#0B1214;
  box-shadow:0 0 0 4px rgba(43,232,176,.15);
}
.search-kbd{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-family:"Inter","Space Grotesk",ui-monospace,monospace;
  font-size:12px;color:var(--faint);
  border:1px solid var(--line);border-radius:6px;padding:1px 7px;line-height:1.6;
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none}
.nav-login{font-size:14px;color:var(--muted);transition:color .18s ease}
.nav-login:hover{color:var(--mint)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--mint-line)}
.nav-toggle svg{width:20px;height:20px}

/* 移动端抽屉 */
.mobile-drawer{display:none;border-bottom:1px solid var(--line);background:#0C1315}
.mobile-drawer.is-open{display:block}
.drawer-inner{padding-top:16px;padding-bottom:20px}
.drawer-search{position:relative;margin-bottom:14px}
.drawer-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--faint)}
.drawer-links{display:grid;gap:6px;margin-bottom:16px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--muted);border:1px solid transparent;
  transition:all .18s ease;
}
.drawer-link:hover{color:var(--mint);background:rgba(43,232,176,.06)}
.drawer-link.is-active{color:var(--text);font-weight:600;border-color:var(--mint-line);background:rgba(43,232,176,.08)}
.drawer-cta{width:100%}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;text-align:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{
  background:var(--mint);color:#06110D;
  box-shadow:0 8px 24px rgba(43,232,176,.28);
}
.btn-primary:hover{background:var(--mint-soft);transform:translateY(-1px);box-shadow:0 12px 28px rgba(43,232,176,.34)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);box-shadow:0 6px 16px rgba(43,232,176,.24)}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.18);color:var(--text);
}
.btn-ghost:hover{border-color:rgba(43,232,176,.45);background:rgba(43,232,176,.08);color:var(--mint)}
.btn-ghost:active{background:rgba(43,232,176,.14)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(43,232,176,.12);color:var(--mint);
}
.badge-amber{background:rgba(255,180,84,.14);color:var(--amber)}
.badge-gray{background:rgba(255,255,255,.06);color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;color:var(--muted);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.tag-mint{color:var(--mint);background:rgba(43,232,176,.1);border-color:rgba(43,232,176,.22)}
.tag-amber{color:var(--amber);background:rgba(255,180,84,.12);border-color:rgba(255,180,84,.24)}

/* 面包屑 */
.breadcrumb{padding-top:22px}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint)}
.breadcrumb-list a{color:var(--faint);transition:color .18s ease}
.breadcrumb-list a:hover{color:var(--mint)}
.breadcrumb-sep{color:rgba(255,255,255,.2)}
.breadcrumb-current{color:var(--muted)}

/* 分类页头 */
.cat-hero{position:relative;overflow:hidden;padding:32px 0 56px}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(480px 480px at 88% 8%,rgba(43,232,176,.10),transparent 70%),
    radial-gradient(420px 420px at 4% 92%,rgba(255,180,84,.07),transparent 70%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse at 70% 20%,#000 10%,transparent 72%);
  mask-image:radial-gradient(ellipse at 70% 20%,#000 10%,transparent 72%);
}
.cat-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;margin-top:20px}
.hero-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.page-title{
  margin:0 0 18px;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.24;font-weight:800;letter-spacing:-.015em;
}
.page-title em{font-style:normal;color:var(--mint)}
.hero-lead{margin:0 0 24px;max-width:640px;font-size:17px;line-height:1.85;color:var(--muted)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--faint);margin-bottom:26px}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block;font-style:normal}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:#131A1D;box-shadow:var(--shadow);
}
.hero-visual img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;opacity:.94}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,16,0) 45%,rgba(10,14,16,.78) 100%);
}
.hero-float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:flex;gap:26px;
  padding:14px 18px;border-radius:14px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero-float div{display:flex;flex-direction:column;gap:2px}
.hero-float b{
  font-family:"Inter","Space Grotesk",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;font-size:22px;line-height:1.2;color:var(--mint);font-weight:700;
}
.hero-float small{font-size:12px;color:var(--muted)}

/* 警示条 */
.alert-strip{
  display:flex;gap:14px;align-items:flex-start;
  margin-top:26px;padding:14px 18px;
  border-left:3px solid var(--amber);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(255,180,84,.07);
  font-size:14px;line-height:1.75;color:#F0E2CC;
}
.alert-strip svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--amber)}
.alert-strip strong{color:var(--amber);font-weight:700}

/* 锚点 chips */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--muted);
  font-size:13px;transition:all .18s ease;
}
.chip:hover{color:var(--mint);border-color:var(--mint-line);background:rgba(43,232,176,.08)}
.chip.is-on{background:var(--mint);color:#06110D;border-color:var(--mint);font-weight:700}

/* 板块通用 */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:40px 0}
@media (min-width:1024px){.section-tight{padding:52px 0}}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mint);font-weight:700;
}
.h2{margin:0 0 14px;font-size:clamp(24px,2.9vw,34px);line-height:1.32;font-weight:700;letter-spacing:-.01em}
.h3{margin:0 0 12px;font-size:20px;line-height:1.45;font-weight:700}
.lead{margin:0;font-size:16px;line-height:1.88;color:var(--muted)}
.section-head{display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:end;margin-bottom:34px}
.head-note{margin:0;font-size:14px;line-height:1.85;color:var(--faint)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--mint);
}
.text-link svg{width:16px;height:16px;transition:transform .2s ease}
.text-link:hover svg{transform:translateX(3px)}

/* 数据条 */
.stat-strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(22,32,36,.5),rgba(10,14,16,0));
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:26px 24px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{
  font-family:"Inter","Space Grotesk",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
  font-size:30px;line-height:1.2;font-weight:700;color:var(--mint);letter-spacing:-.02em;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted)}

/* 公告时间轴列表 */
.notice-wrap{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.notice-list{border-top:1px solid var(--line)}
.notice-row{
  display:grid;grid-template-columns:112px 1fr 24px;gap:22px;align-items:start;
  padding:22px 16px;border-bottom:1px solid var(--line);
  transition:background .18s ease,border-color .18s ease;
}
.notice-row:hover{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.12)}
.notice-date{
  font-family:"Inter","Space Grotesk",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;font-size:12px;color:var(--faint);line-height:1.5;
}
.notice-date b{display:block;font-size:20px;font-weight:700;color:var(--text);letter-spacing:-.01em}
.notice-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:6px}
.notice-title{margin:0;font-size:18px;line-height:1.5;font-weight:700;letter-spacing:-.01em}
.notice-title a{transition:color .18s ease}
.notice-title a:hover{color:var(--mint)}
.notice-desc{margin:8px 0 12px;font-size:14px;line-height:1.85;color:var(--muted)}
.notice-tags{display:flex;flex-wrap:wrap;gap:8px}
.notice-arrow{color:var(--faint);display:flex;justify-content:flex-end;padding-top:4px;transition:color .18s ease,transform .18s ease}
.notice-row:hover .notice-arrow{color:var(--mint);transform:translateX(3px)}
.notice-arrow svg{width:18px;height:18px}

/* 侧栏小面板 */
.side-stack{display:grid;gap:20px;position:sticky;top:96px}
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);
}
.panel-amber{border-left:3px solid var(--amber)}
.panel-mint{border-color:rgba(43,232,176,.28);background:linear-gradient(180deg,rgba(43,232,176,.07),rgba(16,23,26,1))}
.panel p{margin:0 0 14px;font-size:14px;line-height:1.85;color:var(--muted)}
.panel p:last-child{margin-bottom:0}
.panel-rows{display:grid;gap:10px;margin:0 0 16px;padding:0;list-style:none}
.panel-rows li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
  padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.08);
}
.panel-rows li:last-child{border-bottom:0;padding-bottom:0}
.panel-rows b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

/* 安全自查 */
.safety-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:start}
.fig{margin:0 0 22px;border-radius:var(--radius);overflow:hidden;background:#131A1D;border:1px solid var(--line)}
.fig img{width:100%;aspect-ratio:16/10;object-fit:cover}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.check-list li{position:relative;padding-left:32px;font-size:15px;line-height:1.8;color:var(--muted)}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:1px;
  width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(43,232,176,.14);color:var(--mint);
  font-size:12px;font-weight:700;
}
.check-list b{color:var(--text);font-weight:600}
.dot-list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:12px}
.dot-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.8;color:var(--muted)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;background:var(--amber);
}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);transition:border-color .2s ease,background .2s ease}
.faq-item[open]{
  border-left:3px solid var(--mint);
  padding-left:16px;
  background:rgba(43,232,176,.03);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 0;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--mint)}
.faq-item summary::after{
  content:"+";flex:none;font-size:20px;line-height:1;color:var(--mint);
  transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 0 18px;font-size:15px;line-height:1.88;color:var(--muted)}
.faq-body p{margin:0 0 10px}
.faq-body p:last-child{margin-bottom:0}

/* 订阅卡 */
.subscribe-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px;
  box-shadow:var(--shadow);
}
.subscribe-copy .h2{margin-bottom:12px}
.subscribe-copy p{margin:0;font-size:15px;line-height:1.85;color:var(--muted)}
.subscribe-form{display:grid;gap:12px}
.field{
  width:100%;height:48px;border-radius:var(--radius-sm);
  background:#0D1416;border:1px solid var(--line);
  color:var(--text);font-size:15px;padding:0 16px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field::placeholder{color:var(--faint)}
.field:focus{outline:none;border-color:var(--mint-line);background:#0B1214;box-shadow:0 0 0 4px rgba(43,232,176,.14)}
.form-note{margin:0;font-size:12px;line-height:1.7;color:var(--faint)}
.subscribe-form .btn{width:100%}

/* CTA 横幅 */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(22,32,36,.85),rgba(10,14,16,1));
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(460px 460px at 82% 20%,rgba(43,232,176,.12),transparent 70%),
    radial-gradient(380px 380px at 6% 90%,rgba(255,180,84,.08),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 5%,transparent 70%);
  mask-image:radial-gradient(ellipse at 50% 40%,#000 5%,transparent 70%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* 页脚 */
.site-footer{
  background:#0C1214;border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,232,176,.5),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;padding:56px 0 40px;
}
.footer-desc{
  margin:16px 0 20px;font-size:14px;line-height:1.85;color:var(--muted);max-width:420px;
}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);
  transition:all .2s ease;
}
.socials a:hover{color:var(--mint);border-color:var(--mint-line);background:rgba(43,232,176,.08);transform:translateY(-2px)}
.socials svg{width:17px;height:17px}
.footer-col h4{
  margin:0 0 16px;font-size:14px;font-weight:700;color:var(--text);letter-spacing:.02em;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:color .18s ease}
.footer-col a:hover{color:var(--mint)}
.footer-col p{margin:0;font-size:13.5px;line-height:1.9;color:var(--muted)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:20px 0 32px;border-top:1px solid var(--line);
  font-size:13px;color:var(--faint);
}
.footer-bottom p{margin:0}

/* 响应式 */
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-login{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{gap:14px}
  .nav-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .notice-wrap{grid-template-columns:1fr}
  .side-stack{position:static;grid-template-columns:1fr 1fr;display:grid}
  .safety-grid{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
  .subscribe-card{grid-template-columns:1fr;gap:24px;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
}
@media (max-width:767px){
  .nav-inner{height:64px}
  .brand{font-size:15px}
  .brand-mark{width:22px;height:22px}
  .section-head{grid-template-columns:1fr;gap:12px;margin-bottom:24px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-item{padding:20px 16px;border-left:0;border-top:1px solid var(--line)}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:0}
  .stat-item:nth-child(odd){padding-left:0}
  .notice-row{grid-template-columns:1fr;gap:10px;padding:20px 12px}
  .notice-date{display:flex;align-items:baseline;gap:10px}
  .notice-date b{font-size:16px}
  .notice-arrow{display:none}
  .side-stack{grid-template-columns:1fr}
  .hero-float{left:14px;right:14px;bottom:14px;gap:18px;padding:12px 14px}
  .hero-float b{font-size:19px}
  .page-title{font-size:clamp(28px,7.6vw,34px)}
  .btn{min-height:48px}
  .cta-band{padding:48px 0}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .chip{height:40px}
}
@media (max-width:520px){
  .stat-num{font-size:24px}
  .subscribe-card{padding:22px}
  .notice-title{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}