/* roulang page: index */
:root{
  --bg:#0B0A10;
  --surface:#16141F;
  --surface-2:#1F1B2E;
  --primary:#C6FF3D;
  --primary-ink:#0B0A10;
  --accent:#FF3D8B;
  --accent-2:#7A5CFF;
  --text:#F5F3FF;
  --muted:#A8A3B8;
  --line:rgba(255,255,255,.08);
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --container:1360px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{
  position:relative;
  background:radial-gradient(1100px 420px at 10% 0%,rgba(122,92,255,.16),transparent 62%),var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:0;display:flex;align-items:center;gap:14px}
.section-title::before{content:"";width:5px;height:26px;border-radius:4px;background:linear-gradient(180deg,var(--primary),#7ee00a)}
.section-sub{color:var(--muted);font-size:15px;margin:10px 0 0;max-width:720px}
.link-more{color:var(--muted);font-size:14px;transition:color .2s,transform .2s;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{color:var(--primary);transform:translateX(3px)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{background:#d8ff72;transform:translateY(-2px);box-shadow:0 16px 34px rgba(198,255,61,.26)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.2);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1;padding:6px 12px;border-radius:999px;background:rgba(198,255,61,.13);color:var(--primary);border:1px solid rgba(198,255,61,.3)}
.badge-accent{background:rgba(255,61,139,.14);color:#FF8DBC;border-color:rgba(255,61,139,.32)}
.badge-violet{background:rgba(122,92,255,.16);color:#BBA9FF;border-color:rgba(122,92,255,.34)}

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

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(11,10,16,.84);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;gap:26px;height:72px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--primary),#6fd400);display:grid;place-items:center;color:var(--primary-ink);font-weight:900;font-size:17px;box-shadow:0 8px 22px rgba(198,255,61,.28)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.06em}

.search{position:relative;flex:1;max-width:540px;margin:0 auto}
.search input{width:100%;height:46px;border-radius:999px;background:var(--surface-2);border:1px solid transparent;padding:0 18px 0 46px;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.search input::placeholder{color:var(--muted)}
.search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(198,255,61,.14);background:#221E33}
.search-icon{position:absolute;left:17px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search-btn{position:absolute;right:6px;top:5px;height:36px;padding:0 20px;border-radius:999px;background:var(--primary);color:var(--primary-ink);border:0;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}
.search-btn:hover{background:#d8ff72}

.header-actions{display:flex;align-items:center;gap:12px}
.nav-chips{display:flex;gap:10px;padding:0 0 14px;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{padding:7px 17px;border-radius:999px;background:var(--surface);color:var(--muted);font-size:14px;border:1px solid var(--line);white-space:nowrap;transition:color .2s,border-color .2s,background .2s}
.chip:hover{color:var(--text);border-color:rgba(198,255,61,.45)}
.chip.active{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);font-weight:600}

/* Hero */
.hero{position:relative;min-height:84vh;display:flex;align-items:center;padding:90px 0 72px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,10,16,.97) 0%,rgba(11,10,16,.86) 40%,rgba(11,10,16,.42) 74%,rgba(11,10,16,.8) 100%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:190px;background:linear-gradient(180deg,transparent,var(--bg));pointer-events:none}
.hero-inner{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid var(--line);font-size:13px;color:#DCD6F0;backdrop-filter:blur(6px)}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary)}
.hero h1{font-size:clamp(32px,4.6vw,58px);line-height:1.08;font-weight:800;letter-spacing:-.02em;margin:24px 0 0;max-width:720px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{color:#CFC9E0;font-size:17px;line-height:1.85;max-width:580px;margin:22px 0 0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.hero-stats{display:flex;gap:52px;flex-wrap:wrap;margin:46px 0 0;padding:26px 0 0;border-top:1px solid var(--line);list-style:none}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-size:26px;font-weight:800;color:var(--primary);letter-spacing:-.01em;line-height:1.2}
.hero-stats span{font-size:13px;color:var(--muted)}

/* 横滑内容库 */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 14px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{position:relative;flex:0 0 226px;scroll-snap-align:start;border-radius:var(--radius);overflow:hidden;background:var(--surface);border:1px solid var(--line);transition:transform .26s,border-color .26s,box-shadow .26s}
.rail-card:hover{transform:translateY(-6px);border-color:rgba(198,255,61,.5);box-shadow:var(--shadow)}
.rail-media{position:relative;aspect-ratio:3/4;overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.rail-card:hover .rail-media img{transform:scale(1.06)}
.rail-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,16,.05) 38%,rgba(11,10,16,.92) 100%)}
.rail-body{position:absolute;left:0;right:0;bottom:0;padding:16px 16px 18px}
.rail-body h3{font-size:16px;font-weight:700;margin:8px 0 0;line-height:1.4}
.rail-body p{font-size:12.5px;color:var(--muted);margin:5px 0 0}
.rail-nav{position:absolute;top:38%;width:44px;height:44px;border-radius:50%;background:rgba(31,27,46,.92);border:1px solid var(--line);color:var(--text);display:grid;place-items:center;cursor:pointer;z-index:5;transition:background .2s,color .2s,border-color .2s,transform .2s}
.rail-nav:hover{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);transform:scale(1.06)}
.rail-prev{left:-14px}
.rail-next{right:-14px}

/* 热玩推荐 */
.hot-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:stretch}
.hot-feature{position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);min-height:440px;transition:transform .26s,border-color .26s,box-shadow .26s}
.hot-feature:hover{transform:translateY(-5px);border-color:rgba(198,255,61,.45);box-shadow:var(--shadow)}
.hot-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hot-feature::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,16,.15) 20%,rgba(11,10,16,.94) 100%)}
.hot-feature-body{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;height:100%;padding:34px;min-height:440px}
.hot-feature-body h3{font-size:30px;font-weight:800;letter-spacing:-.01em;margin:16px 0 0;line-height:1.2}
.hot-feature-body p{color:#D4CEE6;font-size:15px;margin:12px 0 0;max-width:420px}
.hot-feature-body .link-more{margin-top:20px;color:var(--primary)}
.hot-list{display:flex;flex-direction:column;justify-content:space-between;gap:10px}
.hot-item{display:grid;grid-template-columns:auto 62px 1fr auto;align-items:center;gap:16px;padding:14px 18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:transform .22s,border-color .22s,background .22s}
.hot-item:hover{transform:translateX(5px);border-color:rgba(255,61,139,.45);background:var(--surface-2)}
.hot-no{font-size:22px;font-weight:800;color:var(--primary);letter-spacing:-.03em;min-width:34px}
.hot-thumb{width:62px;height:62px;border-radius:12px;object-fit:cover}
.hot-info h3{font-size:15.5px;font-weight:700;margin:0;line-height:1.4}
.hot-info span{font-size:12.5px;color:var(--muted)}
.heat{height:5px;border-radius:99px;background:rgba(255,255,255,.08);margin-top:9px;overflow:hidden}
.heat i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),#7ee00a)}
.hot-score{font-size:13px;color:var(--muted);font-weight:600}

/* 专题 / 分类卡片 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);transition:transform .26s,border-color .26s,box-shadow .26s}
.section-alt .topic-card{background:rgba(11,10,16,.55)}
.topic-card:hover{transform:translateY(-6px);border-color:rgba(198,255,61,.45);box-shadow:var(--shadow)}
.topic-media{aspect-ratio:16/10;overflow:hidden}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.topic-card:hover .topic-media img{transform:scale(1.05)}
.topic-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px}
.topic-body h3{font-size:19px;font-weight:700;margin:0;line-height:1.4}
.topic-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75}

/* 分类入口 */
.cate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cate-card{position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);min-height:250px;transition:transform .26s,border-color .26s,box-shadow .26s}
.cate-card:hover{transform:translateY(-6px);border-color:rgba(198,255,61,.5);box-shadow:var(--shadow)}
.cate-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cate-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,16,.2) 10%,rgba(11,10,16,.92) 100%)}
.cate-body{position:relative;z-index:2;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;min-height:250px}
.cate-body h3{font-size:21px;font-weight:700;margin:12px 0 0}
.cate-body p{font-size:14px;color:#CFC9E0;margin:8px 0 0}

/* 数据条 */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.stat-cell{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.stat-cell strong{display:block;font-size:26px;font-weight:800;color:var(--primary);letter-spacing:-.02em}
.stat-cell span{font-size:13.5px;color:var(--muted)}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:18px;background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s;min-height:240px}
.news-card:hover{transform:translateY(-5px);border-color:rgba(198,255,61,.45);box-shadow:var(--shadow)}
.news-title{font-size:19px;font-weight:700;line-height:1.5;margin:0}
.news-summary{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;flex:1}
.news-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--muted)}
.news-arrow{transition:color .2s,transform .2s}
.news-card:hover .news-arrow{color:var(--primary);transform:translateX(3px)}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:70px 24px;border-radius:var(--radius-lg);background:var(--surface);border:1px dashed var(--line);text-align:center;color:var(--muted)}
.empty-icon{width:56px;height:56px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;color:var(--primary);font-size:24px}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:24px;padding:64px 56px;background:linear-gradient(120deg,rgba(198,255,61,.12),rgba(122,92,255,.18) 48%,rgba(255,61,139,.14)),var(--surface);border:1px solid var(--line)}
.cta-band::after{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(198,255,61,.22),transparent 66%);pointer-events:none}
.cta-band h2{position:relative;z-index:2;font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.22;margin:0;max-width:640px}
.cta-band p{position:relative;z-index:2;color:#D2CCE4;margin:18px 0 0;max-width:600px;font-size:16px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

/* FAQ */
.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:20px;padding:24px 4px;font-size:16px;font-weight:600;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{color:var(--muted);font-size:18px;line-height:1;transition:transform .26s,color .26s;flex:0 0 auto}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--primary)}
.faq-body{padding:0 4px 26px;color:var(--muted);font-size:15px;line-height:1.85;max-width:840px}

/* 页脚 */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:70px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:52px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;margin:0;max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;margin:0 0 18px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s,transform .2s;display:inline-block}
.footer-col a:hover{color:var(--primary);transform:translateX(3px)}
.footer-form{display:flex;gap:10px;margin-top:6px}
.footer-form input{flex:1;height:46px;border-radius:999px;background:var(--surface-2);border:1px solid transparent;padding:0 18px;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s}
.footer-form input::placeholder{color:var(--muted)}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(198,255,61,.13)}
.footer-note{color:var(--muted);font-size:13px;margin:14px 0 0}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px}

@media (max-width:1280px){
  .section-title{font-size:30px}
}
@media (max-width:1024px){
  .section{padding:70px 0}
  .hot-grid{grid-template-columns:1fr}
  .hot-feature,.hot-feature-body{min-height:360px}
  .topic-grid,.cate-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .rail-prev{left:-6px}
  .rail-next{right:-6px}
}
@media (max-width:900px){
  .header-top{flex-wrap:wrap;height:auto;padding:14px 0 10px;gap:12px}
  .search{order:3;flex-basis:100%;max-width:none;margin:0}
  .header-actions{margin-left:auto}
  .logo{font-size:17px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero{min-height:70vh;padding:64px 0 52px}
  .hero h1{font-size:clamp(30px,7vw,38px)}
  .hero-sub{font-size:15.5px}
  .hero-stats{gap:28px;margin-top:34px}
  .hero-stats strong{font-size:22px}
  .section-title{font-size:25px}
  .rail-card{flex:0 0 190px}
  .rail-nav{display:none}
  .cta-band{padding:40px 26px;border-radius:20px}
  .hot-item{grid-template-columns:auto 52px 1fr;gap:12px;padding:12px 14px}
  .hot-thumb{width:52px;height:52px}
  .hot-score{display:none}
  .faq-item summary{font-size:15px;padding:20px 2px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
}
@media (max-width:560px){
  .topic-grid,.cate-grid,.news-grid,.stat-row{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hot-feature-body{padding:24px}
  .hot-feature-body h3{font-size:24px}
}

/* roulang page: article */
:root{
  --bg:#0B0A10;
  --surface:#16141F;
  --surface-2:#1F1B2E;
  --primary:#C6FF3D;
  --primary-ink:#0B0A10;
  --accent:#FF3D8B;
  --accent-2:#7A5CFF;
  --text:#F5F3FF;
  --muted:#A8A3B8;
  --line:rgba(255,255,255,0.08);
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(198,255,61,.28)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,10,16,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;gap:22px;min-height:72px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(135deg,var(--primary),#7BE0A8);
  color:var(--primary-ink);
  display:grid;place-items:center;
  font-weight:800;font-size:20px;
  box-shadow:0 0 0 1px rgba(198,255,61,.25),0 12px 30px rgba(198,255,61,.16);
}
.logo-text{display:flex;flex-direction:column;font-weight:800;font-size:17px;line-height:1.15;white-space:nowrap}
.logo-text small{font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:560px;margin:0 auto;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 6px 6px 18px;
  transition:border-color .25s,box-shadow .25s;
}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(198,255,61,.14)}
.search-icon{display:grid;place-items:center;color:var(--muted);margin-right:10px;flex:none}
.search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  padding:9px 4px;font-size:14px;color:var(--text);
}
.search input::placeholder{color:var(--muted)}
.search input::-webkit-search-cancel-button{filter:invert(.6)}
.search-btn{
  flex:none;cursor:pointer;
  background:var(--primary);color:var(--primary-ink);
  font-weight:700;font-size:14px;
  border-radius:999px;padding:9px 20px;
  transition:filter .2s,transform .2s;
}
.search-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}

.nav-chips{display:flex;gap:10px;overflow-x:auto;padding:2px 0 14px;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:none;font-size:14px;padding:7px 17px;border-radius:999px;
  background:var(--surface);color:var(--muted);
  border:1px solid var(--line);
  transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.chip:hover{color:var(--text);border-color:rgba(198,255,61,.4);transform:translateY(-1px)}
.chip.active{background:var(--primary);color:var(--primary-ink);border-color:transparent;font-weight:700}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;
  padding:13px 26px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s,box-shadow .25s,filter .25s,border-color .25s,color .25s,background .25s;
}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 10px 30px rgba(198,255,61,.2)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 18px 42px rgba(198,255,61,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ 文章头部 ============ */
.article-banner{
  position:relative;
  padding:52px 0 46px;
  background-image:linear-gradient(180deg,rgba(11,10,16,.72) 0%,rgba(11,10,16,.94) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .now{color:var(--text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(30px,4vw,46px);
  line-height:1.16;font-weight:800;letter-spacing:-.02em;
  margin:18px 0 20px;max-width:940px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;font-size:14px;color:var(--muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted);opacity:.6}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:rgba(255,61,139,.14);color:#FF78B0;
  border:1px solid rgba(255,61,139,.3);
}
.badge-lime{background:rgba(198,255,61,.14);color:var(--primary);border-color:rgba(198,255,61,.32)}
.share-row{display:flex;align-items:center;gap:10px;margin-left:auto}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13px;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  cursor:pointer;transition:color .2s,border-color .2s,transform .2s;
}
.share-btn:hover{color:var(--primary);border-color:rgba(198,255,61,.45);transform:translateY(-1px)}

/* ============ 正文布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;padding:56px 0 8px}
.article-main{min-width:0}
.article-content{max-width:820px;font-size:16.5px;line-height:1.9;color:#E7E4F3}
.article-content h2{font-size:26px;font-weight:800;line-height:1.32;margin:46px 0 16px;scroll-margin-top:120px}
.article-content h2::before{
  content:"";display:inline-block;width:10px;height:10px;border-radius:3px;
  background:var(--primary);margin-right:12px;transform:translateY(-2px);
}
.article-content h3{font-size:20px;font-weight:700;margin:34px 0 12px;scroll-margin-top:120px}
.article-content p{margin:0 0 1.5em}
.article-content ul,.article-content ol{margin:0 0 1.5em;padding-left:1.5em}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin:.5em 0}
.article-content li::marker{color:var(--primary)}
.article-content blockquote{
  margin:30px 0;padding:14px 0 14px 22px;
  border-left:3px solid var(--primary);
  background:linear-gradient(90deg,rgba(198,255,61,.07),transparent 70%);
  color:var(--muted);
}
.article-content img{border-radius:12px;margin:26px 0}
.article-content a{color:var(--primary);border-bottom:1px dashed rgba(198,255,61,.5)}
.article-content a:hover{color:#fff;border-bottom-color:#fff}
.article-content strong{color:#fff}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-content th{background:var(--surface-2);font-weight:700;color:#fff}
.article-content pre{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:18px;overflow:auto;font-size:14px;line-height:1.7;margin:26px 0;
}
.article-content code{background:var(--surface-2);border-radius:6px;padding:2px 7px;font-size:14px;color:var(--primary)}
.article-content pre code{background:none;color:inherit;padding:0}
.article-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}

.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;max-width:820px;
}
.empty-state h2{font-size:24px;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:24px}

.article-foot{display:flex;flex-wrap:wrap;gap:12px;margin:52px 0 0;padding-top:28px;border-top:1px solid var(--line)}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:22px}
.sticky-wrap{position:sticky;top:110px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
}
.side-card h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:16px}
.side-card h3 span{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}
.toc a{
  display:block;font-size:14px;color:var(--muted);
  padding:7px 0 7px 13px;border-left:2px solid var(--line);
  transition:color .2s,border-color .2s,padding-left .2s;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc a:hover{color:var(--primary);border-left-color:var(--primary);padding-left:17px}
.mini-list li + li{margin-top:14px}
.mini-list a{display:flex;gap:12px;align-items:center;transition:transform .2s}
.mini-list a:hover{transform:translateX(4px)}
.mini-list img{width:64px;height:46px;object-fit:cover;border-radius:10px;flex:none}
.mini-list b{display:block;font-size:14px;font-weight:600;line-height:1.45}
.mini-list em{font-style:normal;font-size:12px;color:var(--muted)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  font-size:13px;padding:5px 13px;border-radius:999px;
  background:var(--surface-2);color:var(--muted);border:1px solid var(--line);
  transition:color .2s,border-color .2s;
}
.tag-cloud a:hover{color:var(--primary);border-color:rgba(198,255,61,.45)}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.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:1.2}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);transition:gap .2s}
.link-more:hover{gap:14px}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.card:hover{transform:translateY(-6px);border-color:rgba(198,255,61,.45);box-shadow:var(--shadow)}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s}
.card:hover .card-media img{transform:scale(1.06)}
.card-tag{
  position:absolute;left:14px;top:14px;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
  background:rgba(11,10,16,.78);color:var(--primary);border:1px solid rgba(198,255,61,.35);
  backdrop-filter:blur(6px);
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.45;font-weight:700}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:12px}

/* ============ CTA ============ */
.cta{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:64px 56px;
  background:
    radial-gradient(circle at 12% 18%,rgba(122,92,255,.34),transparent 55%),
    radial-gradient(circle at 88% 84%,rgba(198,255,61,.2),transparent 52%),
    var(--surface);
  border:1px solid var(--line);
}
.cta-inner{position:relative;z-index:2;max-width:640px}
.cta h2{font-size:clamp(26px,3.4vw,38px);line-height:1.22;margin-bottom:16px}
.cta p{color:var(--muted);margin-bottom:28px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;cursor:pointer;
  transition:color .2s;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{flex:none;color:var(--muted);transition:transform .32s,color .32s}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease}
.faq-item.open .faq-a{max-height:360px}
.faq-a p{color:var(--muted);font-size:15px;padding-bottom:22px;line-height:1.8}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:80px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;padding:64px 32px 40px;
}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:18px;max-width:340px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul li + li{margin-top:11px}
.footer-col ul a{font-size:14px;color:var(--muted);transition:color .2s,padding-left .2s}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-form{display:flex;gap:8px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:5px 5px 5px 16px;transition:border-color .25s,box-shadow .25s}
.footer-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(198,255,61,.14)}
.footer-form input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px}
.footer-form input::placeholder{color:var(--muted)}
.footer-note{font-size:12px;color:var(--muted);margin-top:12px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:22px 32px 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .article-layout{grid-template-columns:1fr;gap:44px}
  .sticky-wrap{position:static}
  .sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
}
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 32px 36px}
}
@media (max-width:900px){
  .header-top{flex-wrap:wrap;padding:12px 0}
  .logo{order:1}
  .header-actions{order:2;margin-left:auto}
  .search{order:3;flex:1 0 100%;max-width:none;margin:12px 0 0}
  .share-row{margin-left:0;width:100%}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-banner{padding:38px 0 34px}
  .section{padding:56px 0}
  .article-layout{padding:40px 0 0}
  .sidebar{grid-template-columns:1fr}
  .cta{padding:44px 26px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 20px 32px}
  .footer-bottom{padding:20px}
}
@media (max-width:640px){
  .related-grid{grid-template-columns:1fr}
  .article-content{font-size:16px}
  .article-content h2{font-size:22px}
  .btn{padding:12px 22px;font-size:14px}
  .cta-actions .btn{flex:1 1 100%}
}

/* roulang page: category1 */
:root{
    --bg:#0B0A10;
    --surface:#16141F;
    --surface-2:#1F1B2E;
    --primary:#C6FF3D;
    --primary-ink:#0B0A10;
    --accent:#FF3D8B;
    --accent-2:#7A5CFF;
    --text:#F5F3FF;
    --muted:#A8A3B8;
    --line:rgba(255,255,255,0.08);
    --radius:18px;
    --shadow:0 24px 60px rgba(0,0,0,.45);
  }

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

  html{scroll-behavior:smooth}

  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }

  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.2}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}

  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

  .container{width:100%;max-width:1320px;margin:0 auto;padding:0 32px}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;font-weight:700;font-size:15px;padding:14px 26px;
    border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  }
  .btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 10px 30px rgba(198,255,61,.2)}
  .btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 40px rgba(198,255,61,.32)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.2);color:var(--text)}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
  .btn-sm{padding:10px 20px;font-size:14px}
  .btn:focus-visible,.chip:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--primary);outline-offset:3px;
  }

  .text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700;transition:gap .2s ease,opacity .2s ease}
  .text-link:hover{gap:11px;opacity:.9}

  /* ---------- 头部 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(11,10,16,.9);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .header-top{display:flex;align-items:center;gap:24px;height:72px}
  .logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--primary),#8FE01F);
    color:var(--primary-ink);font-weight:800;font-size:18px;
  }
  .logo-text{display:flex;flex-direction:column;font-weight:800;font-size:16px;line-height:1.2;letter-spacing:-.01em}
  .logo-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.06em;margin-top:2px}

  .search{
    position:relative;display:flex;align-items:center;flex:1;max-width:520px;
    background:var(--surface-2);border:1px solid var(--line);border-radius:999px;
    padding:6px 6px 6px 44px;transition:border-color .25s ease,box-shadow .25s ease;
  }
  .search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(198,255,61,.12)}
  .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);display:flex}
  .search input{flex:1;min-width:0;background:transparent;border:0;outline:none;padding:10px 0;font-size:14px}
  .search input::placeholder{color:var(--muted)}
  .search-btn{
    border:0;border-radius:999px;background:var(--surface);color:var(--text);
    font-size:14px;font-weight:700;padding:9px 20px;cursor:pointer;transition:.22s;
  }
  .search-btn:hover{background:var(--primary);color:var(--primary-ink)}
  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}

  .nav-chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:14px;scrollbar-width:none}
  .nav-chips::-webkit-scrollbar{display:none}
  .chip{
    display:inline-flex;align-items:center;white-space:nowrap;
    padding:8px 18px;border-radius:999px;background:var(--surface);
    border:1px solid var(--line);color:var(--muted);font-size:14px;font-weight:600;
    transition:.22s;
  }
  .chip:hover{color:var(--text);border-color:rgba(198,255,61,.45)}
  .chip.active{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;isolation:isolate;min-height:min(76vh,700px);display:flex;align-items:center}
  .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55;z-index:-2}
  .hero::after{
    content:"";position:absolute;inset:0;z-index:-1;
    background:
      linear-gradient(90deg,rgba(11,10,16,.97) 0%,rgba(11,10,16,.82) 46%,rgba(11,10,16,.35) 100%),
      linear-gradient(180deg,rgba(11,10,16,.25) 0%,rgba(11,10,16,.7) 68%,var(--bg) 100%);
  }
  .hero-inner{position:relative;z-index:2;padding-top:80px;padding-bottom:64px}
  .hero-content{max-width:720px}
  .crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
  .crumbs a:hover{color:var(--primary)}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;
    padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;
    color:var(--primary);background:rgba(198,255,61,.1);border:1px solid rgba(198,255,61,.35);
  }
  .hero h1{font-size:clamp(32px,4.6vw,58px);line-height:1.06;font-weight:800;margin-bottom:20px}
  .hero h1 span{color:var(--primary)}
  .hero-sub{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:32px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
  .hero-stats{display:flex;flex-wrap:wrap;gap:36px}
  .hero-stats li{display:flex;flex-direction:column;gap:2px}
  .hero-stats strong{font-size:24px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums}
  .hero-stats span{font-size:13px;color:var(--muted)}

  /* ---------- 通用板块 ---------- */
  .section{padding:76px 0}
  .section--alt{background:linear-gradient(180deg,var(--surface) 0%,rgba(22,20,31,.35) 100%)}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:38px}
  .section-head h2{font-size:clamp(26px,3vw,38px);margin-bottom:10px}
  .section-head p{color:var(--muted);font-size:15px;max-width:660px}
  .section-label{
    display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;
    font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--primary);text-transform:uppercase;
  }
  .section-label::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}

  /* ---------- 横滑片库 ---------- */
  .rail-head{display:flex;align-items:center;gap:14px;margin-left:auto}
  .rail-nav{display:flex;gap:10px}
  .rail-nav button{
    width:42px;height:42px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
    background:var(--surface);border:1px solid var(--line);color:var(--text);transition:.22s;
  }
  .rail-nav button:hover{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
  .rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 0 20px;scrollbar-width:none}
  .rail::-webkit-scrollbar{display:none}
  .rail-card{
    flex:0 0 230px;scroll-snap-align:start;position:relative;overflow:hidden;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .rail-card:hover{transform:translateY(-6px);border-color:rgba(198,255,61,.55);box-shadow:var(--shadow)}
  .rail-cover{position:relative;aspect-ratio:3/4;overflow:hidden}
  .rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
  .rail-card:hover .rail-cover img{transform:scale(1.06)}
  .rail-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(11,10,16,.85) 100%)}
  .badge{
    position:absolute;top:12px;left:12px;z-index:2;
    padding:4px 11px;border-radius:999px;font-size:12px;font-weight:800;
    background:var(--accent);color:#fff;
  }
  .rail-body{padding:14px 16px 18px}
  .rail-body h3{font-size:16px;margin-bottom:6px}
  .rail-body p{font-size:13px;color:var(--muted)}

  /* ---------- 榜单 ---------- */
  .chart-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:start}
  .feature-card{
    background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;
    box-shadow:var(--shadow);transition:border-color .3s ease,transform .3s ease;
  }
  .feature-card:hover{border-color:rgba(198,255,61,.4);transform:translateY(-4px)}
  .feature-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
  .feature-cover img{width:100%;height:100%;object-fit:cover}
  .feature-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(22,20,31,.95) 100%)}
  .feature-badge{
    position:absolute;top:16px;left:16px;z-index:2;padding:6px 14px;border-radius:999px;
    font-size:12.5px;font-weight:800;background:var(--primary);color:var(--primary-ink);
  }
  .feature-body{padding:26px 28px 30px}
  .feature-body h3{font-size:24px;margin-bottom:10px}
  .feature-body>p{color:var(--muted);font-size:15px;margin-bottom:22px}
  .feature-meta{display:flex;flex-wrap:wrap;gap:28px;padding:20px 0;margin-bottom:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .feature-meta li{display:flex;flex-direction:column}
  .feature-meta strong{font-size:19px;color:var(--primary);font-weight:800}
  .feature-meta span{font-size:12.5px;color:var(--muted)}
  .feature-actions{display:flex;flex-wrap:wrap;gap:12px}

  .rank-list{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:10px 22px}
  .rank-item{
    display:grid;grid-template-columns:46px 64px 1fr;gap:16px;align-items:center;
    padding:17px 8px;border-bottom:1px solid var(--line);border-radius:14px;
    transition:background .22s ease,padding .22s ease;
  }
  .rank-item:last-child{border-bottom:0}
  .rank-item:hover{background:var(--surface-2);padding-left:16px;padding-right:16px}
  .rank-num{font-size:24px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums}
  .rank-thumb{width:64px;height:64px;border-radius:14px;overflow:hidden}
  .rank-thumb img{width:100%;height:100%;object-fit:cover}
  .rank-info{display:flex;flex-direction:column;gap:7px;min-width:0}
  .rank-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
  .rank-top strong{font-size:16px}
  .rank-top em{font-style:normal;font-size:12.5px;font-weight:700;color:var(--accent)}
  .heat{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
  .heat i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#8FE01F)}
  .rank-val{font-size:12.5px;color:var(--muted)}

  /* ---------- 数据卡 ---------- */
  .stat-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:30px 28px;height:100%;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .stat-card:hover{transform:translateY(-6px);border-color:rgba(198,255,61,.4);box-shadow:var(--shadow)}
  .stat-num{font-size:34px;font-weight:800;color:var(--primary);line-height:1.1;margin-bottom:6px;font-variant-numeric:tabular-nums}
  .stat-card h3{font-size:18px;margin-bottom:10px}
  .stat-card p{color:var(--muted);font-size:14.5px}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:880px;margin:0 auto;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;justify-content:space-between;gap:20px;
    padding:22px 4px;font-size:16px;font-weight:600;transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";font-size:24px;line-height:1;color:var(--muted);transition:transform .3s ease,color .3s ease;
  }
  .faq-item[open] summary{color:var(--primary)}
  .faq-item[open] summary::after{content:"−";color:var(--primary);transform:rotate(180deg)}
  .faq-item summary:hover{color:var(--primary)}
  .faq-body{padding:0 4px 24px}
  .faq-body p{color:var(--muted);font-size:15px;max-width:780px}

  /* ---------- CTA ---------- */
  .cta-block{
    position:relative;overflow:hidden;border-radius:24px;padding:64px;
    background:linear-gradient(135deg,#1C1830 0%,#12101C 100%);
    border:1px solid var(--line);
  }
  .cta-block::before{
    content:"";position:absolute;width:460px;height:460px;border-radius:50%;
    background:radial-gradient(circle,rgba(198,255,61,.22),transparent 65%);
    top:-190px;right:-110px;
  }
  .cta-block::after{
    content:"";position:absolute;width:360px;height:360px;border-radius:50%;
    background:radial-gradient(circle,rgba(122,92,255,.24),transparent 65%);
    bottom:-190px;left:-80px;
  }
  .cta-inner{position:relative;z-index:2;max-width:680px}
  .cta-inner h2{font-size:clamp(26px,3.2vw,40px);margin-bottom:16px}
  .cta-inner p{color:var(--muted);font-size:16px;margin-bottom:30px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--surface);border-top:1px solid var(--line);padding-top:64px;margin-top:20px}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:46px}
  .footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;margin-top:18px;max-width:340px}
  .footer-col h4{font-size:15px;margin-bottom:16px}
  .footer-col ul{display:grid;gap:11px}
  .footer-col a{color:var(--muted);font-size:14px;transition:color .2s ease}
  .footer-col a:hover{color:var(--primary)}
  .footer-form{display:flex;gap:10px}
  .footer-form input{
    flex:1;min-width:0;background:var(--surface-2);border:1px solid var(--line);
    border-radius:999px;padding:12px 18px;font-size:14px;outline:none;transition:.22s;
  }
  .footer-form input::placeholder{color:var(--muted)}
  .footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(198,255,61,.12)}
  .footer-note{font-size:12.5px;color:var(--muted);margin-top:12px}
  .footer-bottom{
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
    padding:22px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13.5px;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .container{padding:0 24px}
    .header-top{flex-wrap:wrap;height:auto;padding:14px 0;gap:12px}
    .search{flex-basis:100%;max-width:none;order:3}
    .header-actions{margin-left:auto}
    .chart-layout{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
    .cta-block{padding:48px 34px}
  }

  @media (max-width:768px){
    .container{padding:0 20px}
    .hero{min-height:62vh}
    .hero-inner{padding-top:60px;padding-bottom:48px}
    .hero h1{font-size:34px}
    .hero-sub{font-size:15.5px}
    .hero-stats{gap:26px}
    .section{padding:56px 0}
    .section-head{flex-direction:column;align-items:flex-start;gap:14px}
    .rail-head{margin-left:0}
    .feature-body{padding:22px 20px 26px}
    .rank-list{padding:8px 14px}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .footer-bottom{flex-direction:column;gap:8px}
  }

  @media (max-width:520px){
    .logo-text small{display:none}
    .hero h1{font-size:30px}
    .hero-cta .btn,.cta-actions .btn{width:100%}
    .hero-stats strong{font-size:21px}
    .rail-card{flex:0 0 194px}
    .rank-item{grid-template-columns:auto 52px 1fr;gap:12px;padding:15px 4px}
    .rank-thumb{width:52px;height:52px;border-radius:12px}
    .rank-num{font-size:20px}
    .cta-block{padding:36px 22px;border-radius:20px}
    .footer-form{flex-direction:column}
    .footer-form .btn{width:100%}
  }

/* roulang page: category3 */
:root{
  --bg:#0B0A10;
  --surface:#16141F;
  --surface-2:#1F1B2E;
  --primary:#C6FF3D;
  --primary-ink:#0B0A10;
  --accent:#FF3D8B;
  --accent-2:#7A5CFF;
  --text:#F5F3FF;
  --muted:#A8A3B8;
  --line:rgba(255,255,255,0.08);
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::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(--font);
  font-size:16px;line-height:1.75;font-weight:400;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease}
button,input{font-family:inherit;font-size:100%}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.2}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1360px;margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;cursor:pointer;font-weight:700;font-size:15px;
  padding:13px 26px;transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 12px 30px rgba(198,255,61,.18)}
.btn-primary:hover{background:#d8ff70;transform:translateY(-2px);box-shadow:0 18px 40px rgba(198,255,61,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 20px rgba(198,255,61,.22)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{background:none;color:var(--primary);padding:6px 0;border-radius:0;font-weight:700}
.btn-text::after{content:"→";transition:transform .2s ease}
.btn-text:hover{color:#d8ff70}
.btn-text:hover::after{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(11,10,16,.88);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#7ce67a);color:var(--primary-ink);
  font-weight:900;font-size:18px;box-shadow:0 8px 22px rgba(198,255,61,.25);
}
.logo-text{display:flex;flex-direction:column;font-weight:800;font-size:17px;letter-spacing:-.02em;line-height:1.15}
.logo-text small{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.04em;margin-top:2px}
.search{
  flex:1;display:flex;align-items:center;gap:10px;max-width:560px;margin:0 auto;
  background:var(--surface-2);border:1px solid var(--line);border-radius:999px;
  padding:6px 6px 6px 16px;transition:border-color .2s ease,box-shadow .25s ease;
}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(198,255,61,.12)}
.search-icon{color:var(--muted);display:flex;flex-shrink:0}
.search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--text);
  padding:9px 4px;font-size:14.5px;min-width:0;
}
.search input::placeholder{color:var(--muted)}
.search-btn{
  border:0;background:var(--primary);color:var(--primary-ink);font-weight:700;
  border-radius:999px;padding:9px 20px;cursor:pointer;font-size:14px;transition:background .2s ease;
}
.search-btn:hover{background:#d8ff70}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-chips{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex-shrink:0;padding:8px 18px;border-radius:999px;background:var(--surface);
  color:var(--muted);font-size:14px;font-weight:600;border:1px solid var(--line);
  transition:all .2s ease;
}
.chip:hover{color:var(--text);border-color:rgba(198,255,61,.5);transform:translateY(-1px)}
.chip.active{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}

/* ---------- 内页横幅 ---------- */
.page-banner{
  position:relative;isolation:isolate;overflow:hidden;
  padding:88px 0 76px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-banner::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(11,10,16,.96) 0%,rgba(11,10,16,.78) 48%,rgba(11,10,16,.42) 100%),
             linear-gradient(to top,var(--bg) 2%,rgba(11,10,16,0) 60%);
}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,61,139,.12);border:1px solid rgba(255,61,139,.42);
  color:#ff86b6;font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:22px;
}
.banner-tag span{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.page-banner h1{font-size:clamp(32px,5.2vw,60px);line-height:1.08;max-width:880px}
.page-banner h1 em{font-style:normal;color:var(--primary)}
.banner-desc{max-width:720px;margin-top:20px;color:var(--muted);font-size:16.5px}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.banner-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.banner-stat b{display:block;font-size:26px;font-weight:800;color:var(--primary);letter-spacing:-.02em}
.banner-stat span{font-size:13px;color:var(--muted)}

/* ---------- 通用板块 ---------- */
section{padding:76px 0}
.section-alt{background:var(--surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3.2vw,36px);display:flex;align-items:center;gap:14px}
.section-head h2::before{content:"";width:5px;height:30px;border-radius:3px;background:var(--primary);flex-shrink:0}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}
.tag{
  display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(198,255,61,.12);color:var(--primary);border:1px solid rgba(198,255,61,.28);
}
.tag-pink{background:rgba(255,61,139,.12);color:#ff86b6;border-color:rgba(255,61,139,.3)}
.tag-purple{background:rgba(122,92,255,.14);color:#b3a1ff;border-color:rgba(122,92,255,.32)}

/* ---------- 主推专题大图 ---------- */
.feature{
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
.feature-media{position:relative;min-height:420px}
.feature-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,10,16,.15),rgba(22,20,31,.92));
}
.feature-media .badge{
  position:absolute;top:22px;left:22px;z-index:2;
  background:var(--primary);color:var(--primary-ink);font-weight:800;font-size:13px;
  padding:7px 16px;border-radius:999px;
}
.feature-body{padding:46px 44px;display:flex;flex-direction:column;justify-content:center}
.feature-body h3{font-size:clamp(22px,2.6vw,30px);margin:16px 0 14px}
.feature-body p{color:var(--muted);font-size:15.5px}
.feature-list{margin:22px 0 28px;display:grid;gap:12px}
.feature-list li{display:flex;gap:12px;font-size:15px;color:var(--text)}
.feature-list li::before{
  content:"◆";color:var(--primary);font-size:11px;line-height:1.9;flex-shrink:0;
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:10px}
.timeline::before{
  content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(to bottom,var(--primary),rgba(198,255,61,.08));
}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:26px;padding:0 0 34px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);
  color:var(--primary);font-weight:800;font-size:18px;font-family:ui-monospace,monospace;
  position:relative;z-index:1;transition:border-color .25s ease,box-shadow .25s ease;
}
.tl-item:hover .tl-num{border-color:var(--primary);box-shadow:0 0 0 5px rgba(198,255,61,.1)}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;transition:transform .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.4)}
.tl-card h3{font-size:19px;margin-bottom:10px}
.tl-card p{color:var(--muted);font-size:15px}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

/* ---------- 横滑合辑卡片 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:22px;overflow-x:auto;padding:6px 2px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-item{
  flex:0 0 232px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rail-item:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:var(--shadow)}
.rail-thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rail-item:hover .rail-thumb img{transform:scale(1.06)}
.rail-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(11,10,16,.95) 4%,rgba(11,10,16,.1) 58%);
}
.rail-corner{
  position:absolute;top:14px;left:14px;z-index:2;font-size:12px;font-weight:800;
  padding:5px 12px;border-radius:999px;background:var(--accent);color:#fff;
}
.rail-corner.c2{background:var(--accent-2)}
.rail-corner.c3{background:var(--primary);color:var(--primary-ink)}
.rail-caption{position:absolute;left:16px;right:16px;bottom:14px;z-index:2}
.rail-caption h3{font-size:16.5px;margin-bottom:4px}
.rail-caption span{font-size:12.5px;color:var(--muted)}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  color:var(--text);cursor:pointer;display:grid;place-items:center;transition:all .2s ease;font-size:16px;
}
.rail-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}

/* ---------- 底部横向合辑卡片 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-6px);border-color:rgba(198,255,61,.45);box-shadow:var(--shadow)}
.card-img{aspect-ratio:16/10;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17.5px;line-height:1.45}
.card-body p{color:var(--muted);font-size:14.5px}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.card-foot time{font-size:13px;color:var(--muted)}

/* ---------- 能力/数据面板 ---------- */
.panel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.panel{
  background:linear-gradient(160deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  transition:transform .25s ease,border-color .25s ease;
}
.panel:hover{transform:translateY(-4px);border-color:rgba(122,92,255,.5)}
.panel b{display:block;font-size:32px;font-weight:800;color:var(--primary);letter-spacing:-.03em;line-height:1.1}
.panel h3{font-size:17px;margin:12px 0 8px}
.panel p{color:var(--muted);font-size:14.5px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:0 24px;transition:border-color .25s ease,background .25s ease;
}
.faq details[open]{border-color:rgba(198,255,61,.45);background:var(--surface-2)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 0;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";color:var(--primary);font-size:22px;font-weight:700;line-height:1;
  transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(135deg)}
.faq .answer{padding:0 0 22px;color:var(--muted);font-size:15px;border-top:1px solid var(--line);padding-top:18px}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 84px}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#141122 0%,#1D1830 55%,#241B3E 100%);
  border:1px solid rgba(198,255,61,.22);padding:64px 56px;
  box-shadow:var(--shadow);
}
.cta-box::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,255,61,.28),rgba(198,255,61,0) 68%);
}
.cta-box::after{
  content:"";position:absolute;width:320px;height:320px;left:-100px;bottom:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,139,.22),rgba(255,61,139,0) 70%);
}
.cta-inner{position:relative;z-index:1;max-width:720px}
.cta-inner h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:16px}
.cta-inner p{color:var(--muted);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-top:18px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--primary)}
.footer-form{display:flex;gap:10px;flex-wrap:wrap}
.footer-form input{
  flex:1;min-width:170px;background:var(--surface-2);border:1px solid var(--line);
  border-radius:999px;padding:12px 18px;color:var(--text);outline:none;font-size:14px;
  transition:border-color .2s ease,box-shadow .25s ease;
}
.footer-form input::placeholder{color:var(--muted)}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(198,255,61,.12)}
.footer-note{color:var(--muted);font-size:12.5px;margin-top:12px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13.5px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-top{flex-wrap:wrap;padding-top:12px;gap:14px}
  .search{order:3;max-width:none;width:100%;margin:0 0 6px}
  .header-actions{margin-left:auto}
  .feature{grid-template-columns:1fr}
  .feature-media{min-height:300px}
  .feature-body{padding:36px 30px}
  .grid-cards{grid-template-columns:repeat(3,1fr)}
  .panel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  section{padding:58px 0}
  .page-banner{padding:64px 0 56px}
  .banner-stats{gap:26px}
  .grid-cards{grid-template-columns:repeat(2,1fr);gap:18px}
  .timeline::before{left:22px}
  .tl-item{grid-template-columns:46px 1fr;gap:18px}
  .tl-num{width:46px;height:46px;font-size:16px;border-radius:14px}
  .cta-box{padding:44px 28px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  body{font-size:15.5px}
  .logo-text small{display:none}
  .page-banner h1{font-size:31px}
  .banner-desc{font-size:15px}
  .grid-cards{grid-template-columns:1fr}
  .panel-grid{grid-template-columns:1fr}
  .rail-item{flex:0 0 190px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .cta-actions .btn{width:100%}
  .banner-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
    --bg:#0B0A10;
    --surface:#16141F;
    --surface-2:#1F1B2E;
    --primary:#C6FF3D;
    --primary-ink:#0B0A10;
    --accent:#FF3D8B;
    --accent-2:#7A5CFF;
    --text:#F5F3FF;
    --muted:#A8A3B8;
    --line:rgba(255,255,255,.08);
    --radius-sm:12px;
    --radius:18px;
    --radius-lg:24px;
    --shadow:0 24px 60px rgba(0,0,0,.45);
    --shadow-soft:0 12px 32px rgba(0,0,0,.35);
    --header-h:72px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background-color:var(--bg);
    background-image:
      radial-gradient(900px 520px at 10% -8%, rgba(122,92,255,.18), transparent 62%),
      radial-gradient(760px 440px at 92% 2%, rgba(255,61,139,.12), transparent 62%);
    background-repeat:no-repeat;
    background-attachment:fixed;
    color:var(--text);
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
  button,input{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4{margin:0;line-height:1.15;font-weight:800;letter-spacing:-.01em}
  p{margin:0}
  :focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

  .container{width:100%;max-width:1400px;margin:0 auto;padding:0 32px}
  .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

  /* ============ header ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(11,10,16,.9);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
  }
  .header-top{display:flex;align-items:center;gap:24px;height:var(--header-h)}
  .logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;
    background:linear-gradient(135deg,var(--primary),#96dd22);
    color:var(--primary-ink);
    display:grid;place-items:center;
    font-size:18px;font-weight:800;
    box-shadow:0 8px 22px rgba(198,255,61,.25);
    flex:0 0 auto;
  }
  .logo-text{display:flex;flex-direction:column;font-weight:700;font-size:16px;line-height:1.2;letter-spacing:.2px;white-space:nowrap}
  .logo-text small{color:var(--muted);font-weight:500;font-size:11px;letter-spacing:.14em;margin-top:2px}

  .search{
    position:relative;
    display:flex;align-items:center;
    flex:1 1 auto;max-width:540px;margin:0 auto;
    height:46px;padding:0 6px 0 44px;
    background:var(--surface-2);
    border:1px solid var(--line);
    border-radius:999px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(198,255,61,.12)}
  .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);display:grid;place-items:center;pointer-events:none}
  .search input{
    flex:1 1 auto;min-width:0;height:100%;
    background:transparent;border:0;outline:none;
    font-size:14.5px;color:var(--text);
  }
  .search input::placeholder{color:var(--muted)}
  .search-btn{
    flex:0 0 auto;
    border:0;border-radius:999px;cursor:pointer;
    background:var(--primary);color:var(--primary-ink);
    font-size:14px;font-weight:700;
    padding:9px 20px;
    transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .search-btn:hover{background:#d7ff6a;transform:translateY(-1px);box-shadow:0 8px 20px rgba(198,255,61,.28)}
  .search-btn:active{transform:translateY(0)}

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

  .nav-chips{display:flex;gap:10px;overflow-x:auto;padding:0 0 14px;scrollbar-width:none}
  .nav-chips::-webkit-scrollbar{display:none}
  .chip{
    flex:0 0 auto;
    padding:8px 18px;border-radius:999px;
    background:var(--surface);border:1px solid var(--line);
    color:var(--muted);font-size:14px;white-space:nowrap;
    transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;
  }
  .chip:hover{color:var(--text);border-color:rgba(198,255,61,.45);transform:translateY(-1px)}
  .chip.active{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);font-weight:700}

  /* ============ buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:700;
    padding:13px 26px;cursor:pointer;text-align:center;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 10px 26px rgba(198,255,61,.22)}
  .btn-primary:hover{background:#d7ff6a;transform:translateY(-3px);box-shadow:0 18px 38px rgba(198,255,61,.32)}
  .btn-primary:active{transform:translateY(-1px)}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-3px)}
  .btn-ghost:active{transform:translateY(-1px)}
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn-block{width:100%}

  /* ============ hero ============ */
  .page-hero{
    position:relative;
    padding:56px 0 76px;
    background-image:
      linear-gradient(90deg, rgba(11,10,16,.97) 0%, rgba(11,10,16,.86) 42%, rgba(11,10,16,.42) 100%),
      url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .page-hero::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
    background:linear-gradient(to top,var(--bg),transparent);
    pointer-events:none;
  }
  .hero-inner{position:relative;z-index:2;max-width:820px}
  .breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
  .breadcrumb a:hover{color:var(--primary)}
  .breadcrumb span.sep{opacity:.5}
  .breadcrumb .current{color:var(--text)}
  .tag-pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 16px;border-radius:999px;
    border:1px solid rgba(198,255,61,.45);
    background:rgba(198,255,61,.1);
    color:var(--primary);
    font-size:13px;font-weight:700;letter-spacing:.06em;
    margin-bottom:22px;
  }
  .tag-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
  .page-hero h1{
    font-size:clamp(32px,4.4vw,58px);
    line-height:1.08;
    margin-bottom:20px;
    letter-spacing:-.02em;
  }
  .page-hero h1 em{font-style:normal;color:var(--primary)}
  .hero-sub{
    font-size:clamp(15px,1.3vw,17.5px);
    color:#D9D4EA;
    line-height:1.8;
    max-width:720px;
    margin-bottom:32px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}

  .stat-row{display:flex;flex-wrap:wrap;gap:18px}
  .stat-item{
    min-width:150px;flex:1 1 150px;max-width:220px;
    padding:18px 20px;
    background:rgba(31,27,46,.72);
    border:1px solid var(--line);
    border-radius:var(--radius);
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
  }
  .stat-num{font-size:28px;font-weight:800;color:var(--primary);line-height:1.1;font-variant-numeric:tabular-nums}
  .stat-label{font-size:13px;color:var(--muted);margin-top:6px}

  /* ============ section ============ */
  .section{padding:88px 0}
  .section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .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:clamp(24px,2.6vw,36px)}
  .section-head .sub{color:var(--muted);font-size:15px;max-width:640px;margin-top:12px;line-height:1.8}
  .section-tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--accent);margin-bottom:14px}

  /* ============ 筛选 + 双列网格 ============ */
  .filter-layout{display:grid;grid-template-columns:268px minmax(0,1fr);gap:32px;align-items:start}
  .filter-panel{
    position:sticky;top:calc(var(--header-h) + 76px);
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:26px 22px;
  }
  .filter-group + .filter-group{margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
  .filter-group-title{
    font-size:12.5px;font-weight:700;letter-spacing:.14em;
    color:var(--muted);margin:0 0 14px;
  }
  .filter-btn{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    width:100%;text-align:left;cursor:pointer;
    background:transparent;border:1px solid transparent;
    color:var(--muted);font-size:14.5px;
    padding:10px 14px;border-radius:var(--radius-sm);
    transition:background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .filter-btn + .filter-btn{margin-top:4px}
  .filter-btn:hover{background:var(--surface-2);color:var(--text)}
  .filter-btn.active{background:rgba(198,255,61,.12);color:var(--primary);font-weight:700;border-color:rgba(198,255,61,.3)}
  .filter-btn .count{font-size:12.5px;opacity:.7}

  .tag-list{display:flex;flex-wrap:wrap;gap:8px}
  .tag{
    display:inline-block;padding:6px 13px;border-radius:999px;
    background:var(--surface-2);border:1px solid var(--line);
    color:var(--muted);font-size:13px;
    transition:color .2s ease,border-color .2s ease;
  }
  .tag:hover{color:var(--accent);border-color:rgba(255,61,139,.45)}

  .guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .guide-card{
    display:flex;flex-direction:column;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:20px;
    overflow:hidden;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .guide-card:hover{transform:translateY(-6px);border-color:rgba(198,255,61,.45);box-shadow:var(--shadow)}
  .guide-card[hidden]{display:none}
  .card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .guide-card:hover .card-media img{transform:scale(1.06)}
  .card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,10,16,.72),rgba(11,10,16,0) 62%)}
  .card-badge{
    position:absolute;left:14px;top:14px;z-index:2;
    padding:5px 12px;border-radius:999px;
    background:var(--primary);color:var(--primary-ink);
    font-size:12px;font-weight:800;letter-spacing:.04em;
  }
  .card-badge.accent{background:var(--accent);color:#fff}
  .card-badge.violet{background:var(--accent-2);color:#fff}
  .card-body{display:flex;flex-direction:column;flex:1 1 auto;padding:22px 22px 20px}
  .card-cat{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--primary);margin-bottom:10px}
  .card-title{font-size:19px;font-weight:800;line-height:1.4;margin-bottom:10px}
  .guide-card:hover .card-title{color:var(--primary)}
  .card-text{
    color:var(--muted);font-size:14.5px;line-height:1.75;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-meta{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:auto;padding-top:16px;margin-top:18px;
    border-top:1px solid var(--line);
    font-size:13px;color:var(--muted);
  }
  .card-link{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:6px}
  .card-link:hover{gap:10px}
  .empty-tip{
    display:none;
    padding:56px 24px;text-align:center;
    background:var(--surface);border:1px dashed var(--line);border-radius:20px;color:var(--muted);
  }
  .empty-tip strong{display:block;color:var(--text);font-size:17px;margin-bottom:8px}

  /* ============ 步骤路径 ============ */
  .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .step{
    position:relative;
    padding:30px 26px 28px;
    background:var(--surface-2);
    border:1px solid var(--line);
    border-radius:20px;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .step:hover{transform:translateY(-5px);border-color:rgba(198,255,61,.4);box-shadow:var(--shadow-soft)}
  .step-num{font-size:36px;font-weight:800;color:var(--primary);line-height:1;margin-bottom:16px;font-variant-numeric:tabular-nums}
  .step h3{font-size:19px;margin-bottom:12px}
  .step p{color:var(--muted);font-size:14.5px;line-height:1.8}

  /* ============ 榜单 ============ */
  .rank-list{display:grid;gap:14px}
  .rank-item{
    display:grid;grid-template-columns:54px 96px minmax(0,1fr) 150px;
    align-items:center;gap:20px;
    padding:16px 20px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius);
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .rank-item:hover{transform:translateX(6px);border-color:rgba(198,255,61,.45);box-shadow:var(--shadow-soft)}
  .rank-num{font-size:26px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums}
  .rank-item img{width:96px;height:64px;object-fit:cover;border-radius:10px}
  .rank-title{font-size:16.5px;font-weight:700;margin-bottom:6px}
  .rank-cat{font-size:13px;color:var(--accent)}
  .heat-wrap{display:flex;align-items:center;gap:10px}
  .heat{position:relative;flex:1 1 auto;height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden}
  .heat i{position:absolute;left:0;top:0;bottom:0;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--primary))}
  .heat-val{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;flex:0 0 auto}

  /* ============ FAQ ============ */
  .faq{display:grid;gap:14px;max-width:940px;margin:0 auto}
  .faq-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:0 24px;
    transition:border-color .25s ease,background-color .25s ease;
  }
  .faq-item:hover{border-color:rgba(198,255,61,.28)}
  .faq-item[open]{background:var(--surface-2);border-color:rgba(198,255,61,.38)}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 0;font-size:16px;font-weight:600;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{
    flex:0 0 auto;width:28px;height:28px;border-radius:50%;
    border:1px solid var(--line);
    display:grid;place-items:center;color:var(--muted);
    transition:transform .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
  }
  .faq-item[open] .faq-icon{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);transform:rotate(180deg)}
  .faq-a{
    margin:0;padding:0 0 24px;
    color:var(--muted);font-size:15px;line-height:1.85;
    border-top:1px solid var(--line);padding-top:18px;
  }

  /* ============ CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;
    border-radius:var(--radius-lg);
    padding:64px 48px;
    background:
      radial-gradient(560px 320px at 12% 0%, rgba(198,255,61,.18), transparent 62%),
      radial-gradient(520px 300px at 88% 100%, rgba(255,61,139,.18), transparent 62%),
      var(--surface);
    border:1px solid var(--line);
    text-align:center;
  }
  .cta-band h2{font-size:clamp(24px,3vw,38px);margin-bottom:18px}
  .cta-band p{color:var(--muted);font-size:16px;max-width:720px;margin:0 auto 32px;line-height:1.85}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

  /* ============ footer ============ */
  .site-footer{margin-top:96px;background:#0A0810;border-top:1px solid var(--line);padding-top:64px}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.35fr;gap:40px;padding-bottom:52px}
  .footer-brand p{color:var(--muted);font-size:14.5px;margin-top:18px;max-width:360px;line-height:1.85}
  .footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px}
  .footer-col ul{display:grid;gap:11px}
  .footer-col a{color:var(--muted);font-size:14px}
  .footer-col a:hover{color:var(--primary)}
  .footer-form{
    display:flex;align-items:center;gap:8px;
    background:var(--surface);border:1px solid var(--line);
    border-radius:999px;padding:6px 6px 6px 18px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .footer-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(198,255,61,.1)}
  .footer-form input{flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;font-size:14px;height:38px}
  .footer-form input::placeholder{color:var(--muted)}
  .footer-note{color:var(--muted);font-size:12.5px;margin-top:12px}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    border-top:1px solid var(--line);
    padding:22px 0 30px;color:var(--muted);font-size:13.5px;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1280px){
    .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:34px}
    .footer-col:last-child{grid-column:1 / -1}
    .footer-col:last-child .footer-form{max-width:460px}
  }
  @media (max-width:1024px){
    .container{padding:0 24px}
    .section{padding:72px 0}
    .filter-layout{grid-template-columns:1fr;gap:22px}
    .filter-panel{position:static;padding:18px;border-radius:var(--radius)}
    .filter-panel .filter-group + .filter-group{margin-top:0;padding-top:0;border-top:0;margin-top:16px}
    .filter-group-title{margin-bottom:10px}
    .filter-group:first-child .filter-btn-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
    .filter-group:first-child .filter-btn-list::-webkit-scrollbar{display:none}
    .filter-group:first-child .filter-btn{width:auto;white-space:nowrap;padding:9px 16px}
    .filter-btn + .filter-btn{margin-top:0}
    .steps{grid-template-columns:1fr}
    .rank-item{grid-template-columns:44px 84px minmax(0,1fr);gap:16px}
    .rank-item img{width:84px;height:58px}
    .heat-wrap{grid-column:2 / -1}
  }
  @media (max-width:900px){
    .header-top{flex-wrap:wrap;height:auto;padding-top:14px;padding-bottom:12px;gap:12px}
    .logo-text small{display:none}
    .search{order:3;flex:1 1 100%;max-width:none;margin:0;width:100%}
    .header-actions{margin-left:auto}
    .filter-panel{top:auto}
  }
  @media (max-width:768px){
    .container{padding:0 20px}
    .section{padding:60px 0}
    .page-hero{padding:40px 0 64px}
    .hero-actions .btn{flex:1 1 100%}
    .stat-item{max-width:none;flex:1 1 140px;padding:16px}
    .guide-grid{grid-template-columns:1fr}
    .section-head{margin-bottom:28px}
    .cta-band{padding:44px 24px}
    .cta-actions .btn{flex:1 1 100%}
    .faq-item{padding:0 18px}
    .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  }
  @media (max-width:520px){
    .page-hero h1{font-size:31px}
    .hero-sub{font-size:15px}
    .stat-row{gap:12px}
    .stat-num{font-size:23px}
    .card-body{padding:18px}
    .card-title{font-size:17.5px}
    .rank-item{grid-template-columns:38px 72px minmax(0,1fr);padding:14px}
    .rank-item img{width:72px;height:52px}
    .rank-num{font-size:22px}
    .search-btn{padding:9px 15px;font-size:13.5px}
  }