/* roulang page: index */
:root{
  --bg:#0D1014;
  --surface:#141922;
  --surface-2:#1B222C;
  --primary:#C3F53C;
  --primary-d:#9BCC22;
  --accent:#7A5CFF;
  --orange:#FF6A3D;
  --success:#35D07F;
  --warning:#FFC53D;
  --error:#FF5A5A;
  --text:#F2F5F7;
  --text-2:#9AA6B2;
  --text-3:#6B7684;
  --border:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.04);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 2px 12px rgba(0,0,0,.35);
  --shadow-2:0 10px 30px rgba(0,0,0,.5);
  --container:1280px;
  --gap:24px;
  --mono:"JetBrains Mono","DIN Alternate","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;border-radius:var(--radius-img)}
a{color:var(--text-2);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:rgba(195,245,60,.3);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.section{padding:96px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:28px;line-height:1.35;font-weight:800;letter-spacing:.5px}
.section-head .sub{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;color:var(--primary);text-transform:uppercase;margin-bottom:14px}
.section-tag::before{content:"";width:20px;height:2px;background:var(--primary);display:inline-block;border-radius:2px}
.text-link{font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px}
.text-link:hover{color:var(--primary);border-bottom-color:var(--primary)}

/* ============ 顶部细条 ============ */
.topbar{
  height:36px;background:#10151c;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);position:relative;z-index:60;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 0 rgba(255,106,61,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,106,61,.5)}70%{box-shadow:0 0 0 8px rgba(255,106,61,0)}100%{box-shadow:0 0 0 0 rgba(255,106,61,0)}}
.countdown{display:flex;align-items:center;gap:6px}
.countdown .num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:22px;padding:0 6px;border-radius:6px;
  background:rgba(255,106,61,.12);color:var(--orange);
  font-family:var(--mono);font-size:13px;font-weight:600;
}
.countdown .sep{color:var(--text-3);font-family:var(--mono)}
.topbar-right{display:flex;align-items:center;gap:16px;white-space:nowrap}
.topbar-right a{font-size:13px;color:var(--text-2)}
.topbar-right a:hover{color:var(--primary)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,16,20,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--primary);box-shadow:0 8px 24px rgba(0,0,0,.45)}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;background:var(--primary);flex-shrink:0;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;background:var(--bg);
  clip-path:polygon(50% 0,100% 100%,0 100%);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.5px;color:var(--text);white-space:nowrap}
.logo-text strong{color:var(--primary);font-weight:800}
.logo-text span{color:var(--text-2);font-weight:600}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;font-weight:600;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 12px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(195,245,60,.16)}
.command-search svg{flex-shrink:0;color:var(--text-3)}
.command-search input{
  flex:1;min-width:0;background:transparent;border:none;outline:none;font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  font-family:var(--mono);font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;
  background:var(--surface-2);color:var(--text-3);border:1px solid var(--border);
}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-btn);background:var(--surface);border:1px solid var(--border);
  color:var(--text-2);transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--surface-2);color:var(--primary);border-color:rgba(195,245,60,.35)}
.nav-toggle{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--primary);color:#0D1014}
.btn-primary:hover{background:#d0ff52;color:#0D1014;transform:translateY(-2px);box-shadow:0 10px 26px rgba(195,245,60,.28)}
.btn-primary:active{transform:translateY(-1px);background:var(--primary-d)}
.btn-ghost{border-color:rgba(255,255,255,.16);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px);color:var(--primary-d);border-color:var(--primary-d)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#8f76ff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(122,92,255,.3)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn svg{flex-shrink:0}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
  background:rgba(195,245,60,.12);color:var(--primary);
}
.badge-accent{background:rgba(122,92,255,.14);color:#A696FF}
.badge-orange{background:rgba(255,106,61,.14);color:var(--orange)}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);color:var(--text-2);
  font-size:14px;font-weight:600;transition:all .18s ease;
}
.chip:hover{border-color:rgba(195,245,60,.4);color:var(--primary);transform:translateY(-2px)}
.chip.active{background:rgba(195,245,60,.12);border-color:rgba(195,245,60,.45);color:var(--primary)}

/* ============ Hero ============ */
.hero{padding:72px 0 88px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,92,255,.16),transparent 62%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 70%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 70%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:10px;height:32px;padding:0 14px;border-radius:999px;background:rgba(195,245,60,.1);border:1px solid rgba(195,245,60,.28);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:22px}
.hero h1{font-size:44px;line-height:1.28;font-weight:800;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{margin-top:20px;font-size:19px;color:var(--text-2);line-height:1.7;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-3)}
.hero-stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap}
.hero-stats .stat-num{font-family:var(--mono);font-size:26px;font-weight:600;color:var(--primary)}
.hero-stats .stat-label{font-size:13px;color:var(--text-3);margin-top:4px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--border);
}
.hero-visual::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-img);pointer-events:none;
  background:linear-gradient(115deg,rgba(195,245,60,.18) 0%,transparent 42%,rgba(122,92,255,.22) 100%);
  mix-blend-mode:screen;z-index:1;
}
.hero-visual::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:46%;border-radius:0 0 var(--radius-img) var(--radius-img);
  background:linear-gradient(180deg,transparent,rgba(13,16,20,.86));z-index:1;pointer-events:none;
}
.hero-visual .visual-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:12px;background:rgba(20,25,34,.9);border:1px solid var(--border);
  font-size:13px;color:var(--text-2);
}
.hero-visual .visual-badge b{color:var(--primary);font-family:var(--mono);font-weight:600}

/* ============ 活动卖点 ============ */
.promo-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:var(--gap);align-items:start}
.promo-main{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.promo-main:hover{transform:translateY(-4px);border-color:rgba(195,245,60,.4);box-shadow:var(--shadow-2)}
.promo-index{font-family:var(--mono);font-size:32px;font-weight:600;color:var(--primary);line-height:1}
.promo-main h3{font-size:22px;font-weight:800;margin-top:16px}
.promo-main p{color:var(--text-2);font-size:15px;margin-top:12px}
.promo-main .promo-media{margin-top:22px;border-radius:var(--radius-img);overflow:hidden}
.promo-main .promo-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.promo-main:hover .promo-media img{transform:scale(1.03)}
.promo-side{display:flex;flex-direction:column;gap:var(--gap);margin-top:24px}
.promo-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.promo-card:hover{transform:translateY(-4px);border-color:rgba(195,245,60,.4);box-shadow:var(--shadow-2)}
.promo-card .card-top{display:flex;align-items:center;gap:12px}
.promo-card h3{font-size:18px;font-weight:800;margin-top:14px}
.promo-card p{color:var(--text-2);font-size:14.5px;margin-top:10px}
.promo-card .card-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}

/* ============ 亮点图墙 ============ */
.wall{display:grid;grid-template-columns:3fr 4fr 3fr 2fr;gap:16px}
.wall-col{display:flex;flex-direction:column;gap:16px}
.wall-item{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--border);background:var(--surface);
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.wall-item:hover img{transform:scale(1.03)}
.wall-caption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 16px 14px;
  background:linear-gradient(180deg,transparent,rgba(13,16,20,.92));
  font-size:14px;font-weight:600;color:#fff;opacity:.9;transition:opacity .2s ease,transform .2s ease;
}
.wall-item:hover .wall-caption{opacity:1;transform:translateY(-2px)}
.wall-solid{
  background:linear-gradient(150deg,var(--primary),var(--primary-d));
  display:flex;flex-direction:column;justify-content:space-between;padding:20px;
  color:#0D1014;
}
.wall-solid .solid-key{font-size:20px;font-weight:800;line-height:1.4}
.wall-solid .solid-sub{font-size:13px;font-weight:600;opacity:.72;margin-top:8px}
.wall-solid .solid-mark{font-family:var(--mono);font-size:34px;font-weight:600;line-height:1;opacity:.35}
.wall-h-sm{height:200px}
.wall-h-md{height:250px}
.wall-h-lg{height:300px}
.wall-h-xs{height:170px}

/* ============ CTA 表单 ============ */
.cta-panel{
  background:linear-gradient(140deg,rgba(195,245,60,.14),rgba(122,92,255,.14) 68%,rgba(20,25,34,.6));
  border:1px solid rgba(195,245,60,.24);border-radius:20px;padding:44px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.cta-panel h2{font-size:28px;font-weight:800;line-height:1.35}
.cta-panel p{color:var(--text-2);margin-top:16px;font-size:15px}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2)}
.cta-list li svg{flex-shrink:0;margin-top:5px;color:var(--primary)}
.form-card{background:rgba(13,16,20,.72);border:1px solid var(--border);border-radius:var(--radius-card);padding:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  background:var(--surface);border:1px solid var(--border);outline:none;
  font-size:15px;color:var(--text);transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(195,245,60,.18)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-3);margin:4px 0 18px}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary)}
.check-row a{color:var(--text-2);border-bottom:1px solid var(--border)}
.check-row a:hover{color:var(--primary)}
.form-tip{margin-top:14px;font-size:13px;color:var(--text-3);text-align:center}
.form-tip .ok{color:var(--success)}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:var(--gap);align-items:start}
.news-feature{
  display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.news-feature:hover{transform:translateY(-4px);border-color:rgba(195,245,60,.4);box-shadow:var(--shadow-2);color:var(--text)}
.news-feature-media{overflow:hidden}
.news-feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .35s ease}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-body{padding:24px}
.news-feature-body h3{font-size:20px;font-weight:800;line-height:1.5;margin-top:14px;color:var(--text)}
.news-feature-body p{color:var(--text-2);font-size:15px;margin-top:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:20px;font-size:13px;color:var(--text-3)}
.news-more{color:var(--primary);font-weight:600}
.news-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:8px 24px}
.news-list li{display:flex;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.news-list li:last-child{border-bottom:none}
.news-bar{width:3px;height:18px;background:var(--primary);border-radius:2px;flex-shrink:0}
.news-list a{flex:1;min-width:0;font-size:15px;color:var(--text);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-list a:hover{color:var(--primary)}
.news-list time{font-family:var(--mono);font-size:12.5px;color:var(--text-3);flex-shrink:0}
.empty-state{
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-card);
  padding:52px 24px;text-align:center;color:var(--text-3);background:rgba(20,25,34,.5);
}
.empty-state svg{margin:0 auto 14px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease}
.faq-item.open{border-color:rgba(195,245,60,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:0 22px;height:58px;
  text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .fnum{font-family:var(--mono);font-size:13px;color:var(--text-3);flex-shrink:0}
.faq-q .ftext{flex:1;min-width:0}
.faq-icon{
  width:22px;height:22px;flex-shrink:0;position:relative;border-radius:50%;
  border:1px solid var(--border);transition:transform .2s ease,border-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:background .2s ease;
}
.faq-icon::before{left:5px;right:5px;top:10px;height:1.5px}
.faq-icon::after{top:5px;bottom:5px;left:10px;width:1.5px;transition:transform .2s ease,opacity .2s ease}
.faq-item.open .faq-icon{border-color:var(--primary);transform:rotate(180deg)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--primary)}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:max-height .25s ease,padding .25s ease}
.faq-item.open .faq-a{max-height:320px;padding:0 22px 22px}
.faq-a p{color:var(--text-2);font-size:15px;padding-left:30px}
.faq-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:24px;padding:20px 24px;border:1px solid var(--border);border-radius:var(--radius-card);
  background:var(--surface-2);font-size:14.5px;color:var(--text-2);
}

/* ============ 页脚 ============ */
.site-footer{background:#0A0D11;border-top:1px solid var(--border);margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;padding:64px 0}
.footer-col{padding:0 28px;border-right:1px solid var(--line)}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{border-right:none;padding-right:0}
.footer-col h4{font-size:13px;color:var(--text-3);letter-spacing:2px;font-weight:600;margin-bottom:18px}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.9}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-contact li{font-size:14px;color:var(--text-2);margin-bottom:12px;display:flex;gap:8px}
.footer-contact li span{color:var(--text-3);min-width:56px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:13px;color:var(--text-3);flex-wrap:wrap;
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}
.back-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text-2);
  display:none;align-items:center;justify-content:center;z-index:40;
  transition:all .2s ease;box-shadow:var(--shadow-1);
}
.back-top.show{display:inline-flex}
.back-top:hover{color:var(--primary);border-color:rgba(195,245,60,.45);transform:translateY(-3px)}

/* ============ 移动端抽屉 ============ */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(10,13,17,.98);
  transform:translateY(-100%);transition:transform .28s ease;padding:80px 24px 32px;
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateY(0)}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding-left:14px;border-left:2px solid transparent;
  font-size:16px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link.active,.mobile-drawer a.drawer-link:hover{color:var(--primary);border-left-color:var(--primary)}
.drawer-close{position:absolute;top:20px;right:20px}
.mobile-search{display:flex;margin-top:20px}
.mobile-search input{
  flex:1;height:46px;padding:0 14px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-btn) 0 0 var(--radius-btn);outline:none;color:var(--text);
}
.mobile-search button{
  height:46px;padding:0 18px;background:var(--primary);color:#0D1014;font-weight:600;
  border-radius:0 var(--radius-btn) var(--radius-btn) 0;
}
.mobile-only-search{display:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:36px}
  .promo-grid{grid-template-columns:1fr}
  .promo-side{margin-top:0;flex-direction:row}
  .promo-side > *{flex:1}
  .wall{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:32px}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(2){border-right:none}
  .footer-col:nth-child(3){padding-left:0}
  .nav-links{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-only-search{display:flex}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero h1{font-size:31px}
  .hero-sub{font-size:17px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .section-head h2{font-size:23px}
  .hero-stats{gap:24px}
  .promo-side{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0 0 24px;border-right:none;border-bottom:1px solid var(--line)}
  .footer-col:last-child{border-bottom:none;padding-bottom:0}
  .cta-panel{padding:24px}
  .form-row{grid-template-columns:1fr}
  .news-list{padding:8px 18px}
  .faq-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .topbar{height:auto;padding:8px 0}
  .topbar-inner{height:auto;flex-direction:column;align-items:flex-start;gap:8px}
  .wall{grid-template-columns:repeat(2,1fr);gap:12px}
  .wall-h-lg{height:210px}
  .wall-h-md{height:175px}
  .wall-h-sm{height:140px}
  .wall-h-xs{height:120px}
  .hero h1{font-size:27px;line-height:1.35}
  .hero-actions .btn{width:100%}
  .hero-stats .stat-num{font-size:22px}
  .news-feature-body{padding:18px}
  .nav-inner{height:58px;gap:14px}
  .logo-text{font-size:15px}
  .back-top{right:16px;bottom:18px}
}
@media (max-width:380px){
  .wall{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --bg:#0D1014;
  --surface:#141922;
  --elev:#1B222C;
  --primary:#C3F53C;
  --primary-dark:#9BCC22;
  --accent:#7A5CFF;
  --orange:#FF6A3D;
  --text:#F2F5F7;
  --text-2:#9AA6B2;
  --text-3:#6B7684;
  --border:rgba(255,255,255,.08);
  --border-2:rgba(255,255,255,.04);
  --success:#35D07F;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 2px 12px rgba(0,0,0,.35);
  --shadow-2:0 10px 30px rgba(0,0,0,.5);
  --font-sans:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","DIN Alternate",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text-2);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}

/* ---------- 顶部细条 ---------- */
.topbar{background:#0A0C10;border-bottom:1px solid var(--border-2)}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--text-2)}
.topbar-inner span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar-inner a{color:var(--primary);font-size:13px;white-space:nowrap}
.topbar-inner a:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,16,20,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:border-color .2s ease;
}
.site-header.scrolled{border-bottom-color:rgba(195,245,60,.45)}
.nav-inner{height:64px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:24px;height:24px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.logo-text{display:flex;align-items:baseline;gap:2px;font-size:19px;letter-spacing:.3px;white-space:nowrap}
.logo-text strong{color:var(--primary);font-weight:800}
.logo-text span{color:var(--text);font-weight:400}
.logo:hover .logo-text span{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:36px;
  padding:0 12px;border-radius:8px;font-size:14.5px;color:var(--text-2);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:flex;align-items:center;gap:8px;width:240px;height:38px;
  padding:0 10px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-btn);color:var(--text-3);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  color:var(--text);font-size:13.5px;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(195,245,60,.15)}
.command-search .kbd{
  font-family:var(--mono);font-size:11px;color:var(--text-3);
  border:1px solid var(--border);border-radius:6px;padding:1px 6px;flex-shrink:0;
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--text-2);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--elev);color:var(--primary);border-color:rgba(195,245,60,.35)}
.nav-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--primary);color:#0D1014}
.btn-primary:hover{background:#D2FF55;color:#0D1014;transform:translateY(-2px);box-shadow:0 10px 30px rgba(195,245,60,.28)}
.btn-primary:active{background:var(--primary-dark);transform:translateY(-1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(122,92,255,.55);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);background:rgba(122,92,255,.12);color:var(--text);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:9px}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:#0D1014;
  padding:88px 20px 32px;display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.nav-drawer.open{opacity:1;visibility:visible;transform:none}
.nav-drawer a{
  display:flex;align-items:center;height:48px;padding:0 16px;
  font-size:17px;color:var(--text);border-left:3px solid transparent;
  border-radius:0 10px 10px 0;background:rgba(255,255,255,.02);
}
.nav-drawer a:hover,.nav-drawer a.active{
  border-left-color:var(--primary);background:rgba(195,245,60,.08);color:var(--primary);
}
.nav-drawer .drawer-close{align-self:flex-end;height:auto;background:none;color:var(--text-2);font-size:14px}

/* ---------- 文章头部 ---------- */
.page-main{padding-top:28px;padding-bottom:96px}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumbs a{color:var(--text-3)}
.breadcrumbs a:hover{color:var(--primary)}
.breadcrumbs .sep{color:var(--text-3);opacity:.6}
.breadcrumbs .current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:26px 0 28px;border-bottom:1px solid var(--border)}
.page-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:999px;background:rgba(195,245,60,.12);color:var(--primary);
  font-size:12px;font-family:var(--mono);letter-spacing:.5px;
}
.article-title{margin-top:16px;font-size:40px;font-weight:800;line-height:1.25;letter-spacing:.2px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;font-size:13.5px;color:var(--text-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.article-meta .chip{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  background:rgba(122,92,255,.14);color:#B4A2FF;font-size:12px;
}
.tdk-strip{
  display:flex;align-items:center;gap:10px;margin-top:22px;padding:10px 14px;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  font-size:12px;color:var(--text-3);overflow:hidden;
}
.tdk-strip b{flex-shrink:0;color:var(--text-3);font-weight:600;letter-spacing:1px}
.tdk-strip em{font-style:normal;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}

/* ---------- 正文 ---------- */
.article-body{max-width:780px;margin:40px auto 0;font-size:17px;line-height:1.85;color:#DCE2E8;word-break:break-word}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  margin:40px 0 16px;padding-left:14px;font-size:26px;font-weight:800;
  border-left:4px solid var(--primary);line-height:1.4;color:var(--text);
}
.article-body h3{margin:28px 0 12px;font-size:20px;font-weight:600;color:var(--text)}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:22px}
.article-body ul li{position:relative;padding-left:16px;margin-bottom:8px;list-style:none}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;
  background:var(--primary);border-radius:2px;transform:translateY(-50%);
}
.article-body ol{counter-reset:li;list-style:none}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:8px;counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;
  font-family:var(--mono);font-size:14px;color:var(--primary);
}
.article-body blockquote{
  margin:24px 0;padding:14px 20px;border-left:3px solid var(--primary);
  background:rgba(195,245,60,.05);border-radius:0 10px 10px 0;color:var(--text-2);
}
.article-body img{border-radius:var(--radius-img);margin:24px 0 10px;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th{
  background:rgba(195,245,60,.10);color:var(--primary);font-weight:600;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--border);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--border-2);color:var(--text-2)}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.article-body pre{
  background:#0A0C10;border:1px solid var(--border);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-family:var(--mono);font-size:14px;line-height:1.7;
}
.article-body code{
  font-family:var(--mono);font-size:.94em;background:rgba(255,255,255,.06);
  padding:2px 6px;border-radius:6px;color:#D8F58C;
}
.article-body pre code{background:none;padding:0;color:#C9D3DC}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.article-body strong{color:#fff;font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--border);margin:32px 0}

/* ---------- 空状态 ---------- */
.empty-state{
  max-width:780px;margin:48px auto 0;padding:56px 24px;text-align:center;
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-card);
  background:rgba(255,255,255,.015);
}
.empty-state p{color:var(--text-2);font-size:16px;margin-bottom:18px}

/* ---------- 标签行 ---------- */
.tag-row{max-width:780px;margin:44px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:24px;border-top:1px solid var(--border)}
.tag-row .tag-label{font-size:13px;color:var(--text-3);letter-spacing:1px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);color:var(--text-2);font-size:13px;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.tag:hover{border-color:rgba(195,245,60,.45);color:var(--primary);transform:translateY(-1px)}

/* ---------- 继续浏览 ---------- */
.section{margin-top:88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:26px;font-weight:800}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--text-2)}
.section-head .more{font-size:14px;color:var(--primary)}
.section-head .more:hover{text-decoration:underline;text-underline-offset:4px}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(195,245,60,.4);box-shadow:var(--shadow-2)}
.card-thumb{aspect-ratio:16/10;overflow:hidden;background:#0A0C10}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.55}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.card-foot .badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  background:rgba(195,245,60,.12);color:var(--primary);font-size:12px;font-family:var(--mono);
}

/* ---------- 返回入口 ---------- */
.back-bar{margin-top:72px;display:flex;flex-wrap:wrap;gap:14px}
.back-bar .btn{flex:1;min-width:200px}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:28px;bottom:32px;z-index:60;
  width:46px;height:46px;border-radius:14px;
  background:var(--primary);color:#0D1014;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(195,245,60,.28);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease,background .18s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:#D2FF55}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:#0A0C10}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;border-top:1px solid var(--border)}
.footer-col{padding:56px 28px;border-left:1px solid var(--border-2);min-width:0}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:330px}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:2px;color:var(--text-3);margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-contact li{font-size:14px;color:var(--text-2);margin-bottom:11px}
.footer-contact span{display:inline-block;min-width:46px;color:var(--text-3);font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding:22px 0;border-top:1px solid var(--border);font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .command-search{width:180px}
  .nav-links a{padding:0 9px;font-size:14px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col{padding:40px 24px}
  .footer-col:nth-child(3){border-left:0;padding-left:0}
  .footer-col:first-child{grid-column:span 1}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .command-search{display:none}
  .article-title{font-size:30px}
  .page-main{padding-top:20px;padding-bottom:56px}
  .section{margin-top:56px}
  .article-body{font-size:16px;margin-top:28px}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:18px}
  .section-head h2{font-size:22px}
  .back-bar .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column}
}
@media (max-width:640px){
  .topbar-inner{font-size:12px}
  .topbar-inner a{display:none}
  .cards-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{border-left:0;padding:30px 0}
  .article-meta{font-size:13px}
  .tdk-strip{flex-direction:column;align-items:flex-start;gap:4px}
  .tdk-strip em{white-space:normal;line-height:1.6}
  .to-top{right:16px;bottom:20px;width:42px;height:42px}
}

/* roulang page: category1 */
:root{
  --bg:#0D1014;
  --surface:#141922;
  --elev:#1B222C;
  --primary:#C3F53C;
  --primary-dark:#9BCC22;
  --accent:#7A5CFF;
  --warn:#FF6A3D;
  --text:#F2F5F7;
  --text-2:#9AA6B2;
  --text-3:#6B7684;
  --border:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.05);
  --ok:#35D07F;
  --warny:#FFC53D;
  --err:#FF5A5A;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 2px 12px rgba(0,0,0,.35);
  --sh-2:0 10px 30px rgba(0,0,0,.5);
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:'HarmonyOS Sans SC','MiSans','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --gap:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--text-2);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
h2{font-size:28px}
h3{font-size:20px}
::selection{background:rgba(195,245,60,.28);color:#fff}

/* 布局容器 */
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
section{scroll-margin-top:120px}

/* 顶部公告条 */
.topbar{
  height:36px;
  background:linear-gradient(90deg,rgba(195,245,60,.10),rgba(122,92,255,.10));
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.topbar .container{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  display:inline-block;
  margin-right:8px;
  box-shadow:0 0 10px rgba(195,245,60,.8);
}
.topbar a{color:var(--primary);font-size:13px;white-space:nowrap}
.topbar a:hover{text-decoration:underline;text-underline-offset:4px}

/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(13,16,20,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{
  border-bottom-color:rgba(195,245,60,.45);
  box-shadow:0 8px 24px rgba(0,0,0,.45);
}
.nav-inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
}
.logo:hover{color:var(--text)}
.logo-mark{
  width:26px;height:26px;
  display:inline-block;
  background:
    linear-gradient(135deg,var(--primary) 0 48%,transparent 48% 100%),
    linear-gradient(315deg,var(--accent) 0 48%,transparent 48% 100%);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo-text{
  display:inline-flex;
  align-items:baseline;
  gap:2px;
  font-size:17px;
  letter-spacing:.4px;
}
.logo-text strong{color:var(--primary);font-weight:800}
.logo-text span{color:var(--text-2);font-weight:600;font-size:14px}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:20px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:14px;
  height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:240px;
  height:38px;
  padding:0 10px 0 12px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  color:var(--text-3);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.command-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(195,245,60,.18);
}
.command-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
  font-size:14px;
}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  font-family:var(--mono);
  font-size:11px;
  line-height:1;
  padding:5px 7px;
  border-radius:var(--r-pill);
  background:var(--elev);
  border:1px solid var(--border);
  color:var(--text-3);
}
.icon-btn{
  width:36px;height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text-2);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:var(--elev);color:var(--primary);border-color:rgba(195,245,60,.4)}
.icon-btn:active{transform:translateY(1px)}
.nav-toggle{display:none}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{
  background:var(--primary);
  color:#0A0D10;
  box-shadow:0 4px 16px rgba(195,245,60,.22);
}
.btn-primary:hover{
  background:#CDFB55;
  color:#0A0D10;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(1px);background:var(--primary-dark)}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:rgba(122,92,255,.55);
}
.btn-ghost:hover{
  color:var(--text);
  border-color:var(--accent);
  background:rgba(122,92,255,.12);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px)}
.btn:focus-visible,.icon-btn:focus-visible,a:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.btn-wide{width:100%}

/* 通用区块 */
.section{padding:var(--gap) 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:720px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:2px;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--primary);
  display:inline-block;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  background:rgba(195,245,60,.12);
  color:var(--primary);
  white-space:nowrap;
}
.badge-accent{background:rgba(122,92,255,.16);color:#A796FF}

/* 面包屑 */
.crumb{
  padding-top:28px;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .current{color:var(--text-2)}

/* 分类页头 */
.cat-hero{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
  padding:56px 0 40px;
}
.cat-hero h1{
  font-size:40px;
  line-height:1.24;
  margin-bottom:20px;
}
.cat-hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.cat-hero .lede{
  font-size:17px;
  color:var(--text-2);
  max-width:640px;
}
.cat-hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.chip-static{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:var(--surface);
  font-size:13px;
  color:var(--text-2);
}
.chip-static b{color:var(--primary);font-family:var(--mono);font-weight:600}
.hero-figure{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--sh-1);
  aspect-ratio:16/10;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(195,245,60,.20) 0 22%,transparent 22% 100%),
             linear-gradient(0deg,rgba(13,16,20,.72),transparent 60%);
  pointer-events:none;
}
.hero-figure .tag-on-img{
  position:absolute;
  left:18px;bottom:16px;
  z-index:2;
  font-size:13px;
  color:var(--text);
  background:rgba(13,16,20,.7);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:6px 14px;
}

/* 锚点 chips 导航 */
.chips-bar{
  position:sticky;
  top:72px;
  z-index:40;
  background:rgba(13,16,20,.92);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:12px 0;
}
.chips{
  display:flex;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none}
.chips a{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:var(--surface);
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
}
.chips a:hover{
  color:var(--text);
  border-color:rgba(195,245,60,.45);
  background:var(--elev);
  transform:translateY(-2px);
}

/* 图文交替 */
.flow-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:56px;
  align-items:center;
  padding:88px 0;
  border-bottom:1px solid var(--line);
}
.flow-row:last-of-type{border-bottom:0}
.flow-row .flow-text h2{margin-bottom:16px}
.flow-row .flow-text p{color:var(--text-2);margin-bottom:16px}
.flow-list{display:grid;gap:12px;margin-top:22px}
.flow-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
}
.flow-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:10px;
  background:var(--primary);
  transform:rotate(45deg);
}
.flow-list li strong{color:var(--text);font-weight:600}
.flow-figure{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--sh-1);
  aspect-ratio:16/10;
  position:relative;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.flow-figure img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.flow-figure:hover{border-color:rgba(195,245,60,.4);box-shadow:var(--sh-2);transform:translateY(-4px)}
.flow-figure:hover img{transform:scale(1.03)}
.flow-figure .figure-cap{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:18px;
  font-size:13px;
  color:var(--text-2);
  background:linear-gradient(0deg,rgba(13,16,20,.88),transparent);
}
.flow-row.reverse .flow-figure{order:-1}

/* 步骤区块 */
.steps-panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:8px;
  box-shadow:var(--sh-1);
}
.step{
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:24px;
  align-items:start;
  padding:26px 24px;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.step:last-child{border-bottom:0}
.step:hover{background:var(--elev)}
.step-num{
  font-family:var(--mono);
  font-size:32px;
  font-weight:600;
  color:var(--primary);
  line-height:1;
  letter-spacing:1px;
}
.step h3{margin-bottom:8px}
.step p{color:var(--text-2);font-size:15px}
.step .step-tip{
  display:inline-block;
  margin-top:12px;
  font-size:13px;
  color:var(--warny);
  background:rgba(255,197,61,.10);
  border-radius:var(--r-pill);
  padding:4px 12px;
}

/* 参数对比表 */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--surface);
  box-shadow:var(--sh-1);
}
table.cmp{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15px;
}
table.cmp th,
table.cmp td{
  padding:16px 20px;
  text-align:left;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.cmp thead th{
  background:rgba(195,245,60,.08);
  color:var(--text);
  font-weight:600;
  font-size:14px;
  letter-spacing:.5px;
}
table.cmp tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
table.cmp tbody tr:hover{background:var(--elev)}
table.cmp td:first-child{color:var(--text-2)}
table.cmp td strong{color:var(--primary);font-weight:600}
table.cmp tbody tr:last-child td{border-bottom:0}

/* FAQ */
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:56px;
  padding:16px 0;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  text-align:left;
  line-height:1.5;
}
.faq-q .idx{
  font-family:var(--mono);
  font-size:13px;
  color:var(--primary);
  flex:0 0 auto;
}
.faq-q .mark{
  margin-left:auto;
  flex:0 0 auto;
  width:20px;height:20px;
  position:relative;
}
.faq-q .mark::before,
.faq-q .mark::after{
  content:"";
  position:absolute;
  background:var(--text-2);
  transition:transform .2s ease,background .2s ease;
}
.faq-q .mark::before{left:0;top:9px;width:20px;height:2px}
.faq-q .mark::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-q .mark::after{transform:rotate(90deg);opacity:0}
.faq-item.open .faq-q .mark::before{background:var(--primary)}
.faq-item.open .faq-q{color:var(--primary)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a p{
  padding:0 0 22px 34px;
  color:var(--text-2);
  font-size:15px;
}
.faq-more{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:14px;
  color:var(--text-3);
}
.faq-more a{color:var(--primary);font-weight:600}
.faq-more a:hover{text-decoration:underline;text-underline-offset:4px}

/* 数据条 */
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
}
.stat{
  background:var(--surface);
  padding:26px 24px;
  transition:background .18s ease;
}
.stat:hover{background:var(--elev)}
.stat .num{
  font-family:var(--mono);
  font-size:30px;
  font-weight:600;
  color:var(--primary);
  line-height:1.1;
}
.stat .num small{font-size:14px;color:var(--text-3);margin-left:4px}
.stat .label{margin-top:10px;font-size:14px;color:var(--text-2)}

/* 收尾 CTA 条 */
.cta-strip{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:32px 36px;
  border-radius:var(--r-card);
  border:1px solid rgba(195,245,60,.28);
  background:linear-gradient(100deg,rgba(195,245,60,.14),rgba(122,92,255,.12));
  box-shadow:var(--sh-1);
}
.cta-strip h2{font-size:22px;margin-bottom:6px}
.cta-strip p{color:var(--text-2);font-size:15px}

/* 页脚 */
.site-footer{
  margin-top:40px;
  background:#0A0D11;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:0;
}
.footer-col{
  padding:0 28px 40px;
  border-left:1px solid var(--line);
}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .logo-text{font-size:16px}
.footer-col p{
  color:var(--text-3);
  font-size:14px;
  max-width:320px;
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  color:var(--text-3);
  margin-bottom:18px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-contact li{
  font-size:14px;
  color:var(--text-2);
  margin-bottom:12px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.footer-contact span{
  flex:0 0 auto;
  color:var(--text-3);
  font-size:13px;
  padding-top:1px;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* 响应式 */
@media (max-width:1120px){
  .command-search{width:190px}
  .nav-links{gap:18px}
  .nav-links a{font-size:14px}
}
@media (max-width:1024px){
  :root{--gap:72px}
  .cat-hero{grid-template-columns:1fr;gap:32px;padding:40px 0 28px}
  .cat-hero h1{font-size:34px}
  .flow-row{grid-template-columns:1fr;gap:28px;padding:64px 0}
  .flow-row.reverse .flow-figure{order:0}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:8px 0}
  .footer-col{padding:0 22px 32px}
  .footer-col:nth-child(odd){border-left:0;padding-left:0}
  .command-search{display:none}
}
@media (max-width:860px){
  .nav-links{
    position:fixed;
    inset:100px 0 0 0;
    background:rgba(10,13,17,.98);
    backdrop-filter:blur(6px);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px 24px;
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
    z-index:55;
  }
  body.nav-open .nav-links{
    opacity:1;
    transform:translateY(0);
    pointer-events:auto;
  }
  .nav-links a{
    height:48px;
    display:flex;
    align-items:center;
    padding:0 14px;
    border-left:3px solid transparent;
    border-bottom:1px solid var(--line);
    font-size:16px;
  }
  .nav-links a::after{display:none}
  .nav-links a.active{border-left-color:var(--primary);color:var(--primary)}
  .nav-toggle{display:inline-flex}
  .cat-hero h1{font-size:30px;line-height:1.32}
}
@media (max-width:640px){
  :root{--gap:56px}
  .container{padding:0 16px}
  h2{font-size:24px}
  .topbar{font-size:12px}
  .topbar .container{gap:10px}
  .nav-inner{gap:14px}
  .nav-links{inset:96px 0 0 0}
  .cat-hero .lede{font-size:16px}
  .chips-bar{top:64px}
  .flow-row{padding:48px 0}
  .step{grid-template-columns:1fr;gap:12px;padding:22px 18px}
  .step-num{font-size:26px}
  .steps-panel{padding:4px}
  .stats{grid-template-columns:1fr}
  .cta-strip{padding:26px 20px}
  .cta-strip .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{border-left:0;padding:0 0 28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .btn{height:44px;padding:0 18px;font-size:15px}
  .icon-btn{width:34px;height:34px}
  .hero-figure{aspect-ratio:4/3}
  .faq-a p{padding-left:0}
  .faq-q{gap:12px;font-size:15px}
}

/* roulang page: category2 */
:root{
  --bg:#0D1014;
  --surface:#141922;
  --elev:#1B222C;
  --primary:#C3F53C;
  --primary-dark:#9BCC22;
  --accent:#7A5CFF;
  --orange:#FF6A3D;
  --text:#F2F5F7;
  --muted:#9AA6B2;
  --weak:#6B7684;
  --border:rgba(255,255,255,.08);
  --divider:rgba(255,255,255,.05);
  --success:#35D07F;
  --warn:#FFC53D;
  --error:#FF5A5A;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 2px 12px rgba(0,0,0,.35);
  --sh-2:0 10px 30px rgba(0,0,0,.5);
  --sans:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","DIN Alternate","SFMono-Regular",Consolas,monospace;
  --gap:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--muted);text-decoration:none;transition:color .18s ease,text-underline-offset .18s ease;}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(195,245,60,.28);}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ============ 顶部公告条 ============ */
.topbar{
  height:36px;
  background:linear-gradient(90deg,rgba(195,245,60,.10),rgba(122,92,255,.10) 60%,rgba(195,245,60,.04));
  border-bottom:1px solid var(--divider);
  display:flex;align-items:center;
  font-size:13px;color:var(--muted);
  position:relative;z-index:60;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(195,245,60,.14);flex:none;}
.topbar-left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right a{font-size:13px;color:var(--primary);font-weight:600;}
.topbar-right a:hover{text-decoration:underline;text-underline-offset:4px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:55;
  background:rgba(13,16,20,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{border-bottom-color:rgba(195,245,60,.55);box-shadow:0 6px 24px rgba(0,0,0,.45);}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:26px;height:26px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;background:var(--bg);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.logo-text{display:flex;align-items:baseline;gap:2px;font-size:18px;line-height:1;white-space:nowrap;}
.logo-text strong{color:var(--primary);font-weight:800;letter-spacing:.4px;}
.logo-text span{color:var(--muted);font-weight:600;font-size:15px;}
.nav-links{display:flex;align-items:center;gap:26px;flex:1;min-width:0;}
.nav-links a{
  position:relative;font-size:15px;color:var(--muted);padding:21px 0;
  font-weight:600;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);text-decoration:none;}
.nav-links a.active{color:var(--text);}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex:none;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-btn);
  color:var(--weak);transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px rgba(195,245,60,.28);}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--text);
}
.command-search input::placeholder{color:var(--weak);}
.kbd{
  font-family:var(--mono);font-size:11px;color:var(--muted);
  border:1px solid var(--border);border-radius:6px;padding:1px 6px;flex:none;
  background:rgba(255,255,255,.03);
}
.icon-btn{
  width:36px;height:36px;border-radius:var(--r-btn);flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);border:1px solid var(--border);background:var(--surface);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:var(--elev);color:var(--primary);border-color:rgba(195,245,60,.4);}
.icon-btn:active{transform:translateY(1px);}
.nav-toggle{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(-1px);}
.btn-primary{background:var(--primary);color:#0D1014;box-shadow:0 4px 16px rgba(195,245,60,.18);}
.btn-primary:hover{background:#D2FF57;color:#0D1014;box-shadow:0 10px 26px rgba(195,245,60,.3);}
.btn-primary:active{background:var(--primary-dark);}
.btn-ghost{border-color:rgba(122,92,255,.55);color:var(--text);background:rgba(122,92,255,.08);}
.btn-ghost:hover{border-color:var(--accent);color:var(--text);box-shadow:0 10px 26px rgba(122,92,255,.22);}
.btn-outline{border-color:var(--border);color:var(--muted);background:var(--surface);}
.btn-outline:hover{border-color:rgba(195,245,60,.45);color:var(--primary);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:rgba(195,245,60,.12);color:var(--primary);white-space:nowrap;
}
.badge-accent{background:rgba(122,92,255,.16);color:#A995FF;}
.badge-mono{font-family:var(--mono);letter-spacing:.5px;}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(9,11,14,.98);
  padding:80px 24px 32px;display:none;
}
.drawer.open{display:block;}
.drawer-close{
  position:absolute;top:18px;right:20px;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--border);color:var(--muted);display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--primary);border-color:rgba(195,245,60,.4);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:8px;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-left:3px solid transparent;border-radius:8px;
  color:var(--text);font-size:16px;font-weight:600;
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--surface);border-left-color:var(--primary);color:var(--primary);text-decoration:none;}
.drawer-search{margin-top:24px;display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-btn);color:var(--weak);}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;color:var(--text);}

/* ============ 页头（窄栏 + 数据小卡） ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:72px 0 56px;
  border-bottom:1px solid var(--divider);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(195,245,60,.10) 0%,rgba(195,245,60,0) 42%),
    repeating-linear-gradient(45deg,rgba(255,255,255,.028) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle at center,rgba(122,92,255,.24),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{font-size:13px;color:var(--muted);}
.crumb .sep{color:var(--weak);}
.crumb .now{color:var(--muted);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;align-items:end;}
.hero-copy{max-width:640px;}
.hero-copy h1{
  font-size:40px;line-height:1.24;letter-spacing:.4px;margin-bottom:18px;
}
.hero-copy h1 em{font-style:normal;color:var(--primary);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:620px;}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.stat-cards{display:grid;gap:14px;}
.stat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{border-color:rgba(195,245,60,.4);transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat-card .num{font-family:var(--mono);font-size:26px;font-weight:800;color:var(--primary);line-height:1.1;letter-spacing:.5px;}
.stat-card .num small{font-size:13px;color:var(--muted);font-weight:600;margin-left:4px;}
.stat-card .label{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.6;}

/* ============ chips 筛选 ============ */
.chips-bar{
  position:sticky;top:64px;z-index:40;
  background:rgba(13,16,20,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--divider);
  padding:12px 0;
  margin-top:8px;
}
.chips{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:none;height:34px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:13.5px;font-weight:600;
  color:var(--muted);background:var(--surface);border:1px solid var(--border);
  transition:all .18s ease;
}
.chip:hover{color:var(--primary);border-color:rgba(195,245,60,.45);text-decoration:none;}
.chip.is-on{background:rgba(195,245,60,.12);color:var(--primary);border-color:rgba(195,245,60,.5);}

/* ============ 通用区块 ============ */
.section{padding:var(--gap) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:680px;}
.section-tag{
  font-family:var(--mono);font-size:13px;color:var(--primary);letter-spacing:1px;
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
}
.section-tag::before{content:"";width:22px;height:2px;background:var(--primary);display:block;}

/* ============ FAQ 双列 ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px;align-items:start;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(195,245,60,.35);}
.faq-item[open]{border-color:rgba(195,245,60,.45);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:12px 18px;font-size:15.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-idx{font-family:var(--mono);font-size:13px;color:var(--primary);flex:none;width:26px;}
.faq-q{flex:1;min-width:0;}
.faq-ico{
  flex:none;width:20px;height:20px;position:relative;
  transition:transform .2s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--muted);border-radius:2px;transition:transform .2s ease,background .2s ease;
}
.faq-ico::before{left:0;right:0;top:9px;height:2px;}
.faq-ico::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item[open] .faq-ico::after{transform:scaleY(0);}
.faq-item[open] .faq-ico::before{background:var(--primary);}
.faq-a{
  padding:0 18px 18px 58px;color:var(--muted);font-size:14.5px;line-height:1.85;
}
.faq-a p+p{margin-top:8px;}
.faq-a strong{color:var(--text);font-weight:600;}
.faq-foot{
  margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;border:1px dashed var(--border);border-radius:14px;flex-wrap:wrap;
}
.faq-foot span{color:var(--muted);font-size:14.5px;}

/* ============ 条款式编号块 ============ */
.clause-list{
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;background:var(--surface);
}
.clause{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:20px;
  padding:26px 28px;border-bottom:1px solid var(--divider);
  transition:background .18s ease;
}
.clause:last-child{border-bottom:0;}
.clause:hover{background:var(--elev);}
.clause-num{
  font-family:var(--mono);font-size:22px;font-weight:800;color:var(--primary);
  letter-spacing:1px;line-height:1.2;
}
.clause-num small{display:block;font-size:11px;color:var(--weak);letter-spacing:1.4px;font-weight:600;margin-top:4px;}
.clause h3{font-size:17px;margin-bottom:8px;}
.clause p{color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ============ 图文辅助区 ============ */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;align-items:center;}
.split-media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--border);
  aspect-ratio:16/10;box-shadow:var(--sh-1);position:relative;
}
.split-media img{width:100%;height:100%;transition:transform .35s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-body h2{font-size:26px;margin-bottom:16px;}
.split-body p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--muted);}
.check-list li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--primary);transform:rotate(45deg);
}
.check-list strong{color:var(--text);font-weight:600;}

/* ============ 联系卡片 ============ */
.contact-card{
  border:1px solid var(--border);border-radius:var(--r-card);
  background:linear-gradient(135deg,rgba(195,245,60,.08),rgba(122,92,255,.10) 70%,rgba(20,25,34,.9));
  padding:36px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:36px;align-items:center;
  box-shadow:var(--sh-1);
}
.contact-card h2{font-size:26px;margin-bottom:12px;}
.contact-card p{color:var(--muted);font-size:15.5px;}
.contact-rows{display:grid;gap:12px;margin-top:22px;}
.contact-row{
  display:flex;gap:14px;align-items:baseline;padding:14px 16px;
  background:rgba(13,16,20,.55);border:1px solid var(--border);border-radius:12px;
}
.contact-row span:first-child{
  font-size:12.5px;color:var(--weak);letter-spacing:2px;flex:none;width:64px;
}
.contact-row span:last-child{color:var(--text);font-size:14.5px;}
.contact-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.contact-side .btn{width:100%;}

/* ============ 收尾 CTA 条 ============ */
.cta-strip{
  border:1px solid rgba(195,245,60,.32);border-radius:var(--r-card);
  background:linear-gradient(90deg,rgba(195,245,60,.10),rgba(122,92,255,.10));
  padding:24px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.cta-strip p{font-size:16.5px;font-weight:600;color:var(--text);}
.cta-strip p small{display:block;font-weight:400;font-size:14px;color:var(--muted);margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#090B0E;border-top:1px solid var(--border);margin-top:96px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:0;padding:64px 0 44px;
}
.footer-col{padding:0 28px;border-left:1px solid var(--divider);}
.footer-col:first-child{padding-left:0;border-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-col p{color:var(--muted);font-size:14px;line-height:1.85;max-width:320px;}
.footer-col h4{
  font-size:13px;color:var(--weak);font-weight:600;letter-spacing:2px;margin-bottom:18px;
}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:var(--muted);}
.footer-links a:hover{color:var(--primary);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{font-size:14px;color:var(--muted);display:flex;gap:10px;}
.footer-contact li span{color:var(--weak);flex:none;font-size:13px;letter-spacing:1px;}
.footer-bottom{
  border-top:1px solid var(--divider);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--weak);font-size:13px;
}
.footer-bottom span{line-height:1.7;}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#0D1014;
  display:none;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(195,245,60,.26);
}
.to-top.show{display:flex;}
.to-top:hover{background:#D2FF57;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--gap:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{gap:16px;}
  .command-search{width:180px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .hero-copy h1{font-size:34px;}
  .stat-cards{grid-template-columns:repeat(3,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:28px;}
  .contact-card{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 0;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(odd){padding-left:0;}
}
@media (min-width:1025px){
  .faq-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .faq-grid{grid-template-columns:1fr;}
  .hero-copy h1{font-size:30px;line-height:1.3;}
  .section-head h2{font-size:23px;}
  .split-body h2,.contact-card h2{font-size:22px;}
  .stat-cards{grid-template-columns:1fr;gap:12px;}
  .clause{grid-template-columns:1fr;gap:10px;padding:22px 20px;}
  .clause-num{font-size:18px;}
  .clause-num small{display:inline;margin-left:8px;margin-top:0;}
  .page-hero{padding:52px 0 40px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .command-search{display:none;}
  .nav-right .btn-primary{display:none;}
  .hero-actions .btn{width:100%;}
  .chips-bar{top:64px;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
  .cta-strip .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-col{padding:0;border-left:0;border-top:1px solid var(--divider);padding-top:24px;}
  .footer-col:first-child{border-top:0;padding-top:0;}
  .contact-card{padding:22px;}
  .section{padding:56px 0;}
}