/* roulang page: index */
:root{
  --brand:#e8351f;
  --brand-deep:#b81f10;
  --brand-soft:#fff1ee;
  --accent:#1b2a6b;
  --accent-soft:#eef1fb;
  --ink:#12141c;
  --ink-2:#3d4252;
  --muted:#7b8292;
  --bg:#f6f7fa;
  --surface:#ffffff;
  --line:#e6e8f0;
  --dark:#0d1120;
  --dark-2:#171d33;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-sm:0 2px 8px rgba(18,20,28,.06);
  --shadow:0 14px 36px rgba(18,20,28,.09);
  --shadow-lg:0 26px 64px rgba(18,20,28,.16);
  --container:1200px;
  --gap:24px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--dark{background:var(--dark);color:#eef1f8;}
.section--soft{background:var(--surface);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(232,53,31,.18);color:#ff8a72;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}
.section--dark .section-head p{color:#a4abc4;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.02em;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,#ff7a45 100%);
  display:grid;place-items:center;color:#fff;font-size:17px;font-weight:900;
  box-shadow:0 8px 18px rgba(232,53,31,.32);
}
.logo-text{color:var(--ink);}
.logo-text em{font-style:normal;color:var(--brand);}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.nav a{
  padding:9px 16px;border-radius:var(--pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
}
.nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav a.is-active{background:var(--ink);color:#fff;}
.header-cta{
  padding:10px 20px;border-radius:var(--pill);
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 22px rgba(232,53,31,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(232,53,31,.34);}
.nav-toggle{display:none;}
.nav-burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;display:block;}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(100deg,rgba(9,12,24,.92) 0%,rgba(9,12,24,.78) 46%,rgba(9,12,24,.52) 100%),url("/assets/images/84c18c26828261c7.jpg");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,rgba(246,247,250,0) 0%,rgba(246,247,250,.96) 100%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:96px 0 118px;max-width:820px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13.5px;font-weight:600;color:#ffded6;margin-bottom:22px;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:#ff6a4d;display:block;box-shadow:0 0 0 4px rgba(255,106,77,.28);}
.hero h1{font-size:clamp(28px,4.4vw,50px);line-height:1.22;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:#ff8a72;}
.hero-lead{font-size:clamp(15px,1.6vw,18px);color:#c9cfe0;max-width:680px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--pill);
  font-size:15.5px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 14px 30px rgba(232,53,31,.34);}
.btn-primary:hover{background:#ff4a2e;transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.hero-metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.16);border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
}
.hero-metric{background:rgba(10,14,28,.62);padding:18px 20px;}
.hero-metric strong{display:block;font-size:24px;font-weight:900;color:#fff;}
.hero-metric span{font-size:13px;color:#a9b1c8;}

/* 快讯条 */
.livebar{background:var(--surface);border-bottom:1px solid var(--line);}
.livebar-inner{display:flex;align-items:center;gap:18px;padding:14px 0;overflow:hidden;}
.live-tag{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:800;padding:6px 13px;border-radius:var(--pill);
}
.live-tag i{width:7px;height:7px;background:var(--brand);border-radius:50%;display:block;animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(.8);}}
.live-track{display:flex;gap:34px;white-space:nowrap;font-size:14.5px;color:var(--ink-2);animation:slide 34s linear infinite;}
.live-track span{display:inline-flex;gap:10px;align-items:center;}
.live-track span b{color:var(--brand);font-weight:700;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@media (prefers-reduced-motion:reduce){.live-track{animation:none;}}

/* 通用卡片与网格 */
.grid{display:grid;gap:var(--gap);}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d9dce8;}
.card h3{font-size:18.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.8px;}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-weight:900;font-size:18px;margin-bottom:18px;
}
.card--accent .card-icon{background:var(--accent-soft);color:var(--accent);}
.badge{
  display:inline-block;padding:4px 11px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;background:var(--brand-soft);color:var(--brand-deep);
}
.badge--ink{background:#eef0f6;color:var(--ink-2);}
.badge--accent{background:var(--accent-soft);color:var(--accent);}
.meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:var(--muted);}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;text-align:left;box-shadow:var(--shadow-sm);
}
.stat strong{display:block;font-size:32px;font-weight:900;color:var(--ink);line-height:1.1;}
.stat strong em{font-style:normal;font-size:16px;color:var(--brand);margin-left:4px;}
.stat span{font-size:14px;color:var(--muted);}

/* 频道矩阵 */
.channel-card{
  position:relative;overflow:hidden;padding:0;
  border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.channel-card img{height:190px;width:100%;object-fit:cover;}
.channel-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.channel-body h3{font-size:20px;}
.channel-body p{color:var(--muted);font-size:14.8px;flex:1;}
.channel-link{font-weight:700;color:var(--brand);font-size:14.5px;display:inline-flex;align-items:center;gap:6px;}
.channel-card:hover .channel-link{gap:10px;}

/* 热榜 */
.rank-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--gap);align-items:start;}
.rank-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);}
.rank-item{
  display:flex;align-items:center;gap:16px;
  padding:16px 22px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:#fafbff;}
.rank-num{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-weight:900;font-size:14px;background:#f0f2f7;color:var(--ink-2);
}
.rank-item:nth-child(1) .rank-num{background:var(--brand);color:#fff;}
.rank-item:nth-child(2) .rank-num{background:#ff7a45;color:#fff;}
.rank-item:nth-child(3) .rank-num{background:#ffb703;color:#5a3d00;}
.rank-main{flex:1;min-width:0;}
.rank-main b{display:block;font-size:15.5px;font-weight:700;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-main small{color:var(--muted);font-size:13px;}
.rank-heat{font-size:13.5px;font-weight:800;color:var(--brand);white-space:nowrap;}
.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);}
.side-panel h3{font-size:18px;margin-bottom:18px;}
.timeline-list li{position:relative;padding-left:22px;padding-bottom:18px;font-size:14.5px;color:var(--ink-2);}
.timeline-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--brand);}
.timeline-list li::after{content:"";position:absolute;left:4px;top:20px;bottom:0;width:1px;background:var(--line);}
.timeline-list li:last-child{padding-bottom:0;}
.timeline-list li:last-child::after{display:none;}
.timeline-list time{display:block;font-size:12.5px;color:var(--muted);}

/* 追踪双栏 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.split-media img{width:100%;height:380px;object-fit:cover;}
.split-body h2{font-size:clamp(23px,2.6vw,30px);margin-bottom:16px;}
.split-body>p{color:var(--muted);margin-bottom:24px;}
.check-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-2);}
.check-list li:last-child{border-bottom:0;}
.check-list b{color:var(--ink);}
.tick{
  flex:0 0 22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:grid;place-items:center;font-size:12px;font-weight:900;margin-top:2px;
}

/* 专题卡片 */
.topic-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.topic-card img{height:176px;width:100%;object-fit:cover;}
.topic-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.topic-body h3{font-size:17.5px;}
.topic-body p{font-size:14.4px;color:var(--muted);flex:1;}
.topic-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}

/* 图集 */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.gallery figure{
  position:relative;margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.gallery img{height:200px;width:100%;object-fit:cover;transition:transform .4s ease;}
.gallery figure:hover img{transform:scale(1.06);}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  background:linear-gradient(180deg,rgba(9,12,24,0) 0%,rgba(9,12,24,.82) 100%);
  color:#fff;font-size:14px;font-weight:600;
}

/* 创作者 */
.creator-row{
  display:flex;gap:18px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.creator-row:hover{transform:translateX(4px);box-shadow:var(--shadow);}
.creator-row img{width:62px;height:62px;border-radius:16px;object-fit:cover;flex:0 0 62px;}
.creator-row h4{font-size:16.5px;margin-bottom:4px;}
.creator-row p{font-size:14px;color:var(--muted);}
.creator-row .badge{margin-left:auto;flex:0 0 auto;}

/* 洞察 */
.insight-list li{padding:16px 0;border-bottom:1px solid var(--line);}
.insight-list li:last-child{border-bottom:0;}
.insight-top{display:flex;justify-content:space-between;font-size:15px;font-weight:700;margin-bottom:10px;}
.insight-top span{color:var(--brand);}
.bar{height:8px;border-radius:var(--pill);background:#eef0f6;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:var(--pill);background:linear-gradient(90deg,var(--brand) 0%,#ff7a45 100%);}

/* 评价 */
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;
}
.quote p{color:var(--ink-2);font-size:15px;}
.quote-who{display:flex;align-items:center;gap:12px;font-size:14px;}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;font-weight:900;
}
.quote-who b{display:block;}
.quote-who small{color:var(--muted);}

/* 内容准则 */
.rule-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.rule{
  padding:24px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.rule b{display:block;font-size:16px;margin-bottom:8px;}
.rule p{color:var(--muted);font-size:14.3px;}

/* FAQ */
.faq{max-width:860px;margin:0 auto;}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;padding:0 24px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:#d5d9e6;box-shadow:var(--shadow);}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 0;font-weight:700;font-size:16.5px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";flex:0 0 26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  display:grid;place-items:center;font-weight:900;font-size:16px;
}
.faq details[open] summary::after{content:"–";}
.faq details p{padding:0 0 22px;color:var(--muted);font-size:15px;}

/* CTA */
.cta{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(105deg,rgba(9,12,24,.94) 0%,rgba(9,12,24,.72) 60%,rgba(9,12,24,.6) 100%),url("/assets/images/b0061d3149d5f823.webp");
  background-size:cover;background-position:center;
}
.cta-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;padding:78px 0;}
.cta h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.cta p{color:#bfc6da;margin-bottom:26px;}
.subscribe{display:flex;gap:12px;background:rgba(255,255,255,.1);padding:10px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.2);}
.subscribe input{
  flex:1;min-width:0;background:transparent;border:0;color:#fff;padding:0 18px;font-size:15px;
}
.subscribe input::placeholder{color:#98a0b8;}
.subscribe .btn{border-radius:var(--pill);}
.form-note{margin-top:12px;font-size:13px;color:#98a0b8;}

/* 页脚 */
.site-footer{background:var(--dark);color:#a3aabf;padding:64px 0 26px;font-size:14.5px;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;max-width:340px;color:#8d94ab;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a:hover{color:#ff8a72;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:13.5px;color:#7d849b;}

/* 响应式 */
@media (max-width:1024px){
  .section{padding:70px 0;}
  .grid-4,.gallery,.rule-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rank-wrap,.split,.cta-inner{grid-template-columns:1fr;}
  .split-media img{height:320px;}
  .hero-inner{padding:76px 0 96px;}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .header-inner{height:64px;gap:14px;}
  .nav-burger{display:flex;}
  .nav{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 20px;box-shadow:var(--shadow);display:none;
  }
  .nav-toggle:checked ~ .nav{display:flex;}
  .nav a{padding:12px 16px;border-radius:12px;}
  .header-cta{display:none;}
  .grid-2,.grid-3,.grid-4,.gallery,.rule-grid,.stats{grid-template-columns:1fr;}
  .stats{gap:14px;}
  .hero-metrics{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .hero-inner{padding:60px 0 80px;}
  .rank-item{padding:14px 16px;gap:12px;}
  .creator-row{flex-wrap:wrap;}
  .creator-row .badge{margin-left:0;}
  .split-media img{height:240px;}
  .cta-inner{padding:60px 0;}
  .subscribe{flex-direction:column;border-radius:var(--radius);}
  .subscribe input{padding:12px 16px;background:rgba(255,255,255,.08);border-radius:var(--radius-sm);}
  .footer-top{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero h1{font-size:26px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .card{padding:22px;}
  .rank-heat{display:none;}
}

/* roulang page: category2 */
:root{
 --brand:#e8351f;
 --brand-deep:#b81f10;
 --brand-soft:#fff1ee;
 --accent:#1b2a6b;
 --accent-soft:#eef1fb;
 --ink:#12141c;
 --ink-2:#3d4252;
 --muted:#7b8292;
 --bg:#f6f7fa;
 --surface:#ffffff;
 --line:#e6e8f0;
 --dark:#0d1120;
 --dark-2:#171d33;
 --radius-lg:22px;
 --radius:16px;
 --radius-sm:10px;
 --pill:999px;
 --shadow-sm:0 2px 8px rgba(18,20,28,.06);
 --shadow:0 14px 36px rgba(18,20,28,.09);
 --shadow-lg:0 26px 64px rgba(18,20,28,.16);
 --container:1200px;
 --gap:24px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 12px;}
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;}
/* ===== 容器与板块 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--surface);}
.section--dark{background:var(--dark);color:#eef1f8;}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:#a4abc4;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:.08em;
 color:var(--brand);background:var(--brand-soft);
 padding:6px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.section--dark .eyebrow,.eyebrow--light{background:rgba(232,53,31,.18);color:#ff8a72;}
.section--dark .eyebrow{background:rgba(232,53,31,.18);color:#ff8a72;}
.divider{height:1px;background:var(--line);border:0;margin:0;}
/* ===== 导航 ===== */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.9);
 -webkit-backdrop-filter:blur(14px);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.header-inner{position:relative;display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.02em;}
.logo:hover{color:var(--ink);}
.logo-mark{
 width:36px;height:36px;border-radius:12px;
 background:linear-gradient(135deg,var(--brand) 0%,#ff7a45 100%);
 display:grid;place-items:center;color:#fff;font-size:17px;font-weight:900;
 box-shadow:0 8px 18px rgba(232,53,31,.32);
}
.logo-text{color:var(--ink);}
.logo-text em{font-style:normal;color:var(--brand);}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.nav a{padding:9px 16px;border-radius:var(--pill);font-size:15px;font-weight:600;color:var(--ink-2);}
.nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav a.is-active{background:var(--ink);color:#fff;}
.header-cta{
 padding:10px 20px;border-radius:var(--pill);
 background:var(--brand);color:#fff;font-weight:700;font-size:15px;
 box-shadow:0 10px 22px rgba(232,53,31,.28);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(232,53,31,.34);}
.nav-toggle{display:none;}
.nav-burger{
 display:none;margin-left:auto;
 width:44px;height:44px;border-radius:12px;
 border:1px solid var(--line);background:#fff;
 flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;display:block;}
/* ===== 内页横幅 ===== */
.page-hero{
 position:relative;overflow:hidden;color:#fff;
 background-image:linear-gradient(100deg,rgba(9,12,24,.93) 0%,rgba(9,12,24,.8) 48%,rgba(9,12,24,.55) 100%),url("/assets/images/53d1fd71afe83d64.jpg");
 background-size:cover;background-position:center;
}
.page-hero__inner{position:relative;z-index:2;padding:64px 0 72px;max-width:860px;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:#9aa3bd;margin-bottom:22px;}
.breadcrumb a{color:#c9cfe0;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span{color:#6d7593;}
.page-hero h1{font-size:clamp(26px,3.8vw,44px);line-height:1.24;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:#ff8a72;}
.page-hero__lead{font-size:clamp(15px,1.5vw,17px);color:#c5cbdd;max-width:720px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
 display:inline-flex;align-items:center;
 padding:6px 14px;border-radius:var(--pill);
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
 font-size:13px;color:#e6eaf5;font-weight:600;
}
.hero-stats{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
 margin-top:34px;border-radius:var(--radius);overflow:hidden;
 border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.14);
 max-width:640px;
}
.hero-stats div{background:rgba(10,14,28,.66);padding:16px 20px;}
.hero-stats strong{display:block;font-size:22px;font-weight:900;color:#fff;}
.hero-stats span{font-size:12.5px;color:#a9b1c8;}
/* ===== 按钮 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:var(--pill);
 font-size:15.5px;font-weight:700;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 14px 30px rgba(232,53,31,.34);}
.btn-primary:hover{background:#ff4a2e;color:#fff;transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 20px;font-size:14px;}
/* ===== 标签 / 徽章 ===== */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:var(--pill);
 background:var(--accent-soft);color:var(--accent);
 font-size:12.5px;font-weight:700;
}
.tag--brand{background:var(--brand-soft);color:var(--brand-deep);}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--ink-2);}
/* ===== 筛选条 ===== */
.filter-bar{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:22px 24px;
 display:flex;flex-wrap:wrap;align-items:center;gap:18px;
 margin-top:-44px;position:relative;z-index:5;
}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;flex:1 1 420px;}
.chip{
 padding:8px 18px;border-radius:var(--pill);
 border:1px solid var(--line);background:#fff;
 font-size:14px;font-weight:600;color:var(--ink-2);
 transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff;}
.filter-search{display:flex;align-items:center;gap:10px;flex:1 1 260px;}
.filter-search input{
 flex:1;min-width:0;padding:11px 18px;border-radius:var(--pill);
 border:1px solid var(--line);background:#fbfbfd;font-size:14.5px;color:var(--ink);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.filter-search input::placeholder{color:#a4aab9;}
.filter-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(232,53,31,.12);outline:none;}
.filter-search button{
 padding:11px 22px;border-radius:var(--pill);background:var(--brand);color:#fff;
 font-size:14.5px;font-weight:700;transition:background .2s ease,transform .2s ease;
}
.filter-search button:hover{background:var(--brand-deep);transform:translateY(-1px);}
/* ===== 卡片与网格 ===== */
.grid{display:grid;gap:var(--gap);}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#dfe2ec;}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e9ebf3;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-media__badge{
 position:absolute;top:14px;left:14px;z-index:2;
 padding:5px 13px;border-radius:var(--pill);
 background:rgba(13,17,32,.78);color:#fff;font-size:12.5px;font-weight:700;
 -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:18px;line-height:1.45;}
.card-body h3 a:hover{color:var(--brand-deep);}
.card-body p{color:var(--muted);font-size:14.5px;margin:0;}
.card-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-top:auto;padding-top:6px;}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:#cfd3e0;display:block;}
/* 精选专题：一大三小 */
.feature-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--gap);}
.feature-main{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:420px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow);}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,12,24,.1) 0%,rgba(9,12,24,.86) 100%);}
.feature-main__body{position:relative;z-index:2;padding:34px 32px;}
.feature-main__body h3{font-size:clamp(20px,2.2vw,26px);margin:14px 0 12px;color:#fff;}
.feature-main__body p{color:#c9cfe0;font-size:15px;margin:0;}
.feature-side{display:grid;gap:var(--gap);}
.feature-mini{
 display:grid;grid-template-columns:128px 1fr;gap:18px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:14px;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#dfe2ec;}
.feature-mini img{width:128px;height:96px;object-fit:cover;border-radius:var(--radius-sm);}
.feature-mini h4{font-size:15.5px;margin-bottom:8px;line-height:1.45;}
.feature-mini span{font-size:12.5px;color:var(--muted);}
/* ===== 方向矩阵 ===== */
.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.channel{
 display:block;padding:26px 22px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.channel:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ffd6cd;}
.channel__icon{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-weight:900;font-size:17px;
 margin-bottom:16px;
}
.channel h3{font-size:16.5px;margin-bottom:8px;}
.channel p{font-size:13.5px;color:var(--muted);margin:0;}
/* ===== 时间线 ===== */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand) 0%,var(--accent) 100%);border-radius:2px;opacity:.35;}
.tl-item{position:relative;padding:0 0 30px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-31px;top:8px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(232,53,31,.12);
}
.tl-date{font-size:13px;font-weight:800;color:var(--brand-deep);letter-spacing:.04em;margin-bottom:6px;}
.tl-item h3{font-size:17px;margin-bottom:8px;}
.tl-item p{color:var(--muted);font-size:14.5px;margin:0;}
/* ===== 长文列表 ===== */
.read-list{display:grid;gap:16px;}
.read-item{
 display:grid;grid-template-columns:180px 1fr auto;gap:22px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.read-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#dfe2ec;}
.read-item img{width:180px;height:118px;object-fit:cover;border-radius:var(--radius-sm);}
.read-item h3{font-size:17px;margin:10px 0 8px;line-height:1.45;}
.read-item p{font-size:14px;color:var(--muted);margin:0;}
.read-item__side{text-align:right;font-size:12.5px;color:var(--muted);white-space:nowrap;}
.read-item__side strong{display:block;font-size:19px;color:var(--ink);font-weight:900;}
.list-more{display:flex;justify-content:center;margin-top:34px;}
/* ===== 数据洞察 ===== */
.insight-wrap{
 display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:stretch;
}
.insight-panel{
 border-radius:var(--radius-lg);padding:34px 32px;color:#fff;
 background-image:linear-gradient(150deg,rgba(13,17,32,.94) 0%,rgba(27,42,107,.86) 100%),url("/assets/images/b0061d3149d5f823.webp");
 background-size:cover;background-position:center;
}
.insight-panel h2{font-size:clamp(22px,2.6vw,30px);margin:14px 0 14px;color:#fff;}
.insight-panel p{color:#c2c9dd;font-size:15px;margin:0;}
.insight-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.stat{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.stat strong{display:block;font-size:30px;font-weight:900;color:var(--brand);letter-spacing:-.02em;}
.stat span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px;}
.stat em{display:block;font-style:normal;font-size:14.5px;font-weight:700;color:var(--ink);margin-top:10px;}
/* ===== 主理人 ===== */
.editor-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 26px;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.editor-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ffd6cd;}
.editor-avatar{
 width:54px;height:54px;border-radius:18px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand) 0%,#ff7a45 100%);
 color:#fff;font-weight:900;font-size:20px;margin-bottom:16px;
 box-shadow:0 10px 22px rgba(232,53,31,.26);
}
.editor-card h3{font-size:17px;margin-bottom:6px;}
.editor-card .role{font-size:13px;color:var(--brand-deep);font-weight:700;margin-bottom:12px;display:block;}
.editor-card p{font-size:14px;color:var(--muted);margin:0;}
/* ===== 订阅转化 ===== */
.subscribe{
 border-radius:var(--radius-lg);padding:46px 40px;color:#fff;position:relative;overflow:hidden;
 background-image:linear-gradient(120deg,rgba(232,53,31,.94) 0%,rgba(184,31,16,.92) 100%),url("/assets/images/1a67e88ec4554f2a.webp");
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;
}
.subscribe h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;color:#fff;}
.subscribe p{color:rgba(255,255,255,.86);font-size:15.5px;margin:0;}
.subscribe-form{display:flex;gap:10px;background:rgba(255,255,255,.14);padding:8px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.28);}
.subscribe-form input{
 flex:1;min-width:0;padding:12px 20px;border-radius:var(--pill);border:0;background:#fff;
 font-size:14.5px;color:var(--ink);
}
.subscribe-form input:focus{outline:2px solid #fff;outline-offset:2px;}
.subscribe-form button{
 padding:12px 26px;border-radius:var(--pill);background:var(--ink);color:#fff;
 font-size:15px;font-weight:700;transition:background .2s ease,transform .2s ease;
}
.subscribe-form button:hover{background:#000;transform:translateY(-1px);}
.subscribe-note{font-size:12.5px;color:rgba(255,255,255,.75);margin-top:14px;}
/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item[open]{box-shadow:var(--shadow);border-color:#ffd6cd;}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";font-size:22px;font-weight:700;color:var(--brand);
 line-height:1;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-item__body{padding:0 24px 22px;color:var(--muted);font-size:14.5px;}
/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#a4abc4;padding:64px 0 30px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;color:#8e97b1;margin:16px 0 0;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#9aa3bd;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:13px;color:#78809a;}
/* ===== 响应式 ===== */
@media (max-width:1024px){
 .section{padding:72px 0;}
 .feature-layout{grid-template-columns:1fr;}
 .channel-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .insight-wrap{grid-template-columns:1fr;}
 .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
 .subscribe{grid-template-columns:1fr;padding:38px 30px;}
}
@media (max-width:900px){
 .nav-burger{display:flex;}
 .header-cta{display:none;}
 .nav{
  position:absolute;top:calc(100% + 1px);left:-24px;right:-24px;
  margin-left:0;flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:14px 24px 20px;display:none;box-shadow:var(--shadow);
 }
 .nav-toggle:checked ~ .nav{display:flex;}
 .nav a{padding:13px 16px;border-radius:14px;font-size:15.5px;}
 .nav a.is-active{background:var(--ink);color:#fff;}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .read-item{grid-template-columns:140px 1fr;}
 .read-item img{width:140px;height:100px;}
 .read-item__side{display:none;}
 .timeline{padding-left:28px;}
}
@media (max-width:768px){
 .section{padding:56px 0;}
 .section--tight{padding:48px 0;}
 .page-hero__inner{padding:46px 0 56px;}
 .hero-stats{grid-template-columns:1fr;max-width:100%;}
 .filter-bar{margin-top:-30px;padding:18px;}
 .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
 .feature-mini{grid-template-columns:100px 1fr;gap:14px;}
 .feature-mini img{width:100px;height:80px;}
 .insight-stats{grid-template-columns:1fr;}
 .footer-top{grid-template-columns:1fr;}
 .subscribe{padding:30px 22px;}
 .subscribe-form{flex-direction:column;border-radius:var(--radius);}
 .subscribe-form input,.subscribe-form button{width:100%;border-radius:var(--pill);}
}
@media (max-width:520px){
 .header-inner{height:64px;gap:14px;}
 .logo{font-size:18px;}
 .logo-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
 .nav{top:calc(100% + 1px);}
 .container{padding:0 18px;}
 .channel-grid{grid-template-columns:1fr;}
 .read-item{grid-template-columns:1fr;gap:14px;}
 .read-item img{width:100%;height:170px;}
 .card-body{padding:18px 18px 22px;}
 .btn{width:100%;}
 .hero-tags span{font-size:12.5px;}
}

/* roulang page: category1 */
:root{
 --brand:#e8351f;
 --brand-deep:#b81f10;
 --brand-soft:#fff1ee;
 --accent:#1b2a6b;
 --accent-soft:#eef1fb;
 --ink:#12141c;
 --ink-2:#3d4252;
 --muted:#7b8292;
 --bg:#f6f7fa;
 --surface:#ffffff;
 --line:#e6e8f0;
 --dark:#0d1120;
 --dark-2:#171d33;
 --radius-lg:22px;
 --radius:16px;
 --radius-sm:10px;
 --pill:999px;
 --shadow-sm:0 2px 8px rgba(18,20,28,.06);
 --shadow:0 14px 36px rgba(18,20,28,.09);
 --shadow-lg:0 26px 64px rgba(18,20,28,.16);
 --container:1200px;
 --gap:24px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 12px;}
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:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--surface);}
.section--dark{background:var(--dark);color:#eef1f8;}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:#a4abc4;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:.08em;
 color:var(--brand);background:var(--brand-soft);
 padding:6px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(232,53,31,.18);color:#ff8a72;}
/* 导航 */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.88);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.02em;}
.logo-mark{
 width:36px;height:36px;border-radius:12px;
 background:linear-gradient(135deg,var(--brand) 0%,#ff7a45 100%);
 display:grid;place-items:center;color:#fff;font-size:17px;font-weight:900;
 box-shadow:0 8px 18px rgba(232,53,31,.32);
}
.logo-text{color:var(--ink);}
.logo-text em{font-style:normal;color:var(--brand);}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.nav a{padding:9px 16px;border-radius:var(--pill);font-size:15px;font-weight:600;color:var(--ink-2);}
.nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav a.is-active{background:var(--ink);color:#fff;}
.header-cta{
 padding:10px 20px;border-radius:var(--pill);
 background:var(--brand);color:#fff;font-weight:700;font-size:15px;
 box-shadow:0 10px 22px rgba(232,53,31,.28);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(232,53,31,.34);}
.nav-toggle{display:none;}
.nav-burger{
 display:none;margin-left:auto;
 width:44px;height:44px;border-radius:12px;
 border:1px solid var(--line);background:#fff;
 flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;display:block;}
/* 按钮 */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:var(--pill);
 font-size:15.5px;font-weight:700;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 14px 30px rgba(232,53,31,.34);}
.btn-primary:hover{background:#ff4a2e;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-deep);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.22);}
/* 内页头部 */
.page-hero{
 position:relative;
 padding:68px 0 78px;
 color:#fff;
 background-image:linear-gradient(120deg,rgba(9,12,24,.94) 0%,rgba(13,17,32,.8) 52%,rgba(13,17,32,.6) 100%),url("/assets/images/aefaec2da728dbcb.webp");
 background-size:cover;background-position:center;
}
.page-hero-inner{max-width:880px;margin:0 auto;text-align:center;}
.crumb{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;color:#a9b1c8;margin-bottom:20px;}
.crumb a:hover{color:#fff;}
.crumb em{font-style:normal;color:#ff8a72;font-weight:700;}
.page-hero h1{font-size:clamp(27px,4vw,44px);margin-bottom:18px;color:#fff;}
.page-hero h1 em{font-style:normal;color:#ff8a72;}
.page-hero-lead{font-size:clamp(15px,1.5vw,17px);color:#c3c9dc;max-width:720px;margin:0 auto 28px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.chip{
 display:inline-flex;align-items:center;gap:8px;
 padding:9px 18px;border-radius:var(--pill);
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
 color:#e6eaf5;font-size:14px;font-weight:600;
 transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.chip:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(232,53,31,.34);}
.hero-meta{
 display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px;
 margin-top:34px;padding-top:22px;
 border-top:1px solid rgba(255,255,255,.16);
 color:#b9c0d4;font-size:13.5px;
}
.hero-meta span b{color:#fff;font-weight:800;font-size:17px;margin-right:4px;}
/* 榜单 */
.rank-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px;}
.rank-head .section-head{margin-bottom:0;}
.rank-list{display:grid;gap:14px;}
.rank-item{
 display:grid;grid-template-columns:58px minmax(0,1fr) 190px;gap:20px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 24px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rank-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#ffd3ca;}
.rank-no{font-size:26px;font-weight:900;color:var(--muted);font-variant-numeric:tabular-nums;line-height:1;}
.rank-item:nth-child(-n+3) .rank-no{color:var(--brand);}
.rank-title{font-size:17px;font-weight:700;margin-bottom:4px;}
.rank-title a:hover{color:var(--brand-deep);}
.rank-meta{font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 14px;}
.rank-meta i{font-style:normal;color:#c3c8d4;}
.rank-heat{min-width:0;}
.heat-top{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:700;margin-bottom:7px;color:var(--ink-2);}
.heat-up{color:var(--brand);}
.heat-flat{color:var(--muted);}
.heat-bar{height:8px;border-radius:var(--pill);background:var(--line);overflow:hidden;}
.heat-bar i{display:block;height:100%;border-radius:var(--pill);background:linear-gradient(90deg,#ff7a45,var(--brand));}
/* 时间线 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),#ffd8cf);}
.timeline-item{position:relative;padding-bottom:26px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
 content:"";position:absolute;left:-33px;top:7px;
 width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);
}
.timeline-time{font-size:12.5px;font-weight:800;letter-spacing:.06em;color:var(--brand);}
.timeline-item h3{font-size:16.5px;margin:5px 0 6px;}
.timeline-item p{color:var(--muted);font-size:14.5px;margin:0;}
.media-card{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);background:#fff;}
.media-card img{width:100%;aspect-ratio:4/3.2;object-fit:cover;}
/* 热度走势 */
.trend-grid{display:grid;gap:18px;}
.trend-row{display:grid;grid-template-columns:132px minmax(0,1fr) 62px;gap:16px;align-items:center;}
.trend-name{font-size:14.5px;font-weight:700;color:var(--ink-2);}
.trend-track{height:12px;border-radius:var(--pill);background:var(--line);overflow:hidden;}
.trend-fill{height:100%;border-radius:var(--pill);background:linear-gradient(90deg,var(--accent),#4f68cf);}
.trend-fill.is-hot{background:linear-gradient(90deg,#ff7a45,var(--brand));}
.trend-val{font-size:14px;font-weight:800;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.tag{
 padding:7px 15px;border-radius:var(--pill);
 background:var(--accent-soft);color:var(--accent);
 font-size:13.5px;font-weight:600;
 transition:transform .2s ease,background .2s ease;
}
.tag:hover{transform:translateY(-2px);background:#e2e7fa;}
.panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:30px;box-shadow:var(--shadow-sm);
}
.panel-title{font-size:15px;font-weight:800;margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.panel-title::before{content:"";width:6px;height:18px;border-radius:var(--pill);background:var(--brand);display:block;}
.trend-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;}
/* 频道矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.channel-card{
 background:var(--dark-2);border:1px solid rgba(255,255,255,.09);
 border-radius:var(--radius-lg);overflow:hidden;
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:0 28px 60px rgba(0,0,0,.42);border-color:rgba(232,53,31,.42);}
.channel-card img{width:100%;aspect-ratio:16/9.5;object-fit:cover;opacity:.86;}
.channel-body{padding:24px;}
.channel-body h3{font-size:19px;color:#fff;display:flex;align-items:center;gap:10px;}
.channel-body p{color:#a6adc4;font-size:14.5px;margin-bottom:16px;}
.channel-link{font-size:14px;font-weight:700;color:#ff8a72;}
.channel-link:hover{color:#fff;}
.pill-now{
 font-size:12px;font-weight:700;padding:3px 10px;border-radius:var(--pill);
 background:rgba(232,53,31,.2);color:#ff8a72;
}
/* 精选卡片 */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.pick-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 display:flex;flex-direction:column;
 transition:transform .24s ease,box-shadow .24s ease;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.pick-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.pick-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.badge{
 display:inline-flex;align-items:center;
 padding:4px 12px;border-radius:var(--pill);
 background:var(--brand-soft);color:var(--brand-deep);
 font-size:12.5px;font-weight:700;margin-bottom:12px;align-self:flex-start;
}
.pick-body h3{font-size:18px;}
.pick-body p{color:var(--muted);font-size:14.5px;flex:1;}
.pick-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:6px;}
.pick-foot a{font-weight:700;color:var(--brand-deep);}
.pick-foot a:hover{color:var(--brand);}
/* 场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.scene-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-3px);border-color:#ffd3ca;box-shadow:var(--shadow);}
.scene-no{font-size:13px;font-weight:900;color:var(--brand);letter-spacing:.08em;}
.scene-card h3{font-size:17px;margin:10px 0 8px;}
.scene-card p{color:var(--muted);font-size:14.5px;margin:0;}
/* 读者反馈 */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.voice-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px;box-shadow:var(--shadow-sm);
}
.voice-card p{font-size:15px;color:var(--ink-2);}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{
 width:42px;height:42px;border-radius:50%;
 background:var(--brand-soft);color:var(--brand-deep);
 display:grid;place-items:center;font-weight:900;font-size:16px;flex:0 0 auto;
}
.voice-name{font-size:14.5px;font-weight:800;}
.voice-role{font-size:13px;color:var(--muted);}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:880px;margin:0 auto;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:2px 24px;box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#ffd3ca;box-shadow:var(--shadow);}
.faq-item summary{
 list-style:none;cursor:pointer;
 padding:20px 0;font-weight:700;font-size:16.5px;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;font-weight:700;color:var(--brand);line-height:1;flex:0 0 auto;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{color:var(--muted);font-size:15px;margin:0 0 20px;}
/* 订阅 */
.cta-band{
 color:#fff;
 background-image:linear-gradient(120deg,rgba(184,31,16,.95) 0%,rgba(232,53,31,.84) 100%),url("/assets/images/b0061d3149d5f823.webp");
 background-size:cover;background-position:center;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;}
.cta-inner h2{font-size:clamp(23px,3vw,32px);color:#fff;}
.cta-inner p{color:rgba(255,255,255,.88);max-width:560px;margin:0;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.subscribe-form input{
 width:290px;max-width:100%;
 padding:14px 18px;border-radius:var(--pill);
 border:1px solid rgba(255,255,255,.5);
 background:rgba(255,255,255,.16);color:#fff;
 font-size:15px;
 transition:background .2s ease,border-color .2s ease;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.75);}
.subscribe-form input:focus{background:rgba(255,255,255,.26);border-color:#fff;}
.form-note{font-size:13px;color:rgba(255,255,255,.82);margin-top:12px;}
/* 页脚 */
.site-footer{background:var(--dark);color:#a6adc4;padding:66px 0 30px;font-size:14.5px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.09);}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{max-width:340px;color:#8c93aa;font-size:14px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:#a6adc4;}
.footer-col a:hover{color:#ff8a72;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;color:#7f8699;font-size:13.5px;}
/* 响应式 */
@media (max-width:1024px){
 .split{grid-template-columns:1fr;gap:36px;}
 .channel-grid,.pick-grid,.scene-grid,.voice-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .trend-layout{grid-template-columns:1fr;}
 .cta-inner{grid-template-columns:1fr;}
 .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:960px){
 .nav-burger{display:flex;}
 .nav{
  position:absolute;top:72px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:12px 20px 20px;display:none;box-shadow:var(--shadow);
 }
 .nav-toggle:checked ~ .nav{display:flex;}
 .nav a{padding:13px 14px;}
 .header-cta{display:none;}
}
@media (max-width:768px){
 .section{padding:64px 0;}
 .section--tight{padding:48px 0;}
 .container{padding:0 18px;}
 .page-hero{padding:54px 0 60px;}
 .rank-item{grid-template-columns:46px minmax(0,1fr);gap:14px;row-gap:12px;}
 .rank-heat{grid-column:1 / -1;}
 .rank-no{font-size:22px;}
 .trend-row{grid-template-columns:104px minmax(0,1fr) 52px;gap:12px;}
 .channel-grid,.pick-grid,.scene-grid,.voice-grid{grid-template-columns:1fr;}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
 .subscribe-form input{width:100%;}
 .subscribe-form .btn{width:100%;}
}
@media (max-width:520px){
 .header-inner{height:64px;gap:16px;}
 .nav{top:64px;}
 .logo{font-size:18px;}
 .logo-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
 .rank-item{padding:16px 18px;}
 .faq-item{padding:2px 18px;}
 .footer-top{grid-template-columns:1fr;}
 .hero-meta{gap:10px 20px;font-size:13px;}
}

/* roulang page: category3 */
:root{
 --brand:#e8351f;
 --brand-deep:#b81f10;
 --brand-soft:#fff1ee;
 --accent:#1b2a6b;
 --accent-soft:#eef1fb;
 --ink:#12141c;
 --ink-2:#3d4252;
 --muted:#7b8292;
 --bg:#f6f7fa;
 --surface:#ffffff;
 --line:#e6e8f0;
 --dark:#0d1120;
 --dark-2:#171d33;
 --radius-lg:22px;
 --radius:16px;
 --radius-sm:10px;
 --pill:999px;
 --shadow-sm:0 2px 8px rgba(18,20,28,.06);
 --shadow:0 14px 36px rgba(18,20,28,.09);
 --shadow-lg:0 26px 64px rgba(18,20,28,.16);
 --container:1200px;
 --gap:24px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease,background .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 14px;}
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:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section--soft{background:var(--surface);}
.section--dark{background:var(--dark);color:#eef1f8;}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(23px,3vw,34px);}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.section--dark .section-head p{color:#a4abc4;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:.08em;
 color:var(--brand);background:var(--brand-soft);
 padding:6px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(232,53,31,.18);color:#ff8a72;}
/* 导航 */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.9);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.02em;}
.logo-mark{
 width:36px;height:36px;border-radius:12px;
 background:linear-gradient(135deg,var(--brand) 0%,#ff7a45 100%);
 display:grid;place-items:center;color:#fff;font-size:17px;font-weight:900;
 box-shadow:0 8px 18px rgba(232,53,31,.32);
}
.logo-text{color:var(--ink);}
.logo-text em{font-style:normal;color:var(--brand);}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.nav a{padding:9px 16px;border-radius:var(--pill);font-size:15px;font-weight:600;color:var(--ink-2);}
.nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav a.is-active{background:var(--ink);color:#fff;}
.header-cta{
 padding:10px 20px;border-radius:var(--pill);
 background:var(--brand);color:#fff;font-weight:700;font-size:15px;
 box-shadow:0 10px 22px rgba(232,53,31,.28);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(232,53,31,.34);}
.nav-toggle{display:none;}
.nav-burger{
 display:none;margin-left:auto;
 width:44px;height:44px;border-radius:12px;
 border:1px solid var(--line);background:#fff;
 flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;display:block;}
/* 按钮 */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:var(--pill);
 font-size:15.5px;font-weight:700;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 14px 30px rgba(232,53,31,.34);}
.btn-primary:hover{background:#ff4a2e;transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
/* 内页首屏 */
.page-hero{
 position:relative;overflow:hidden;color:#fff;
 background-image:linear-gradient(104deg,rgba(9,12,24,.94) 0%,rgba(9,12,24,.8) 48%,rgba(184,31,16,.62) 100%),url("/assets/images/53d1fd71afe83d64.jpg");
 background-size:cover;background-position:center;
}
.page-hero-inner{position:relative;z-index:2;padding:80px 0 86px;max-width:800px;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:#9aa3ba;margin-bottom:20px;}
.crumb a:hover{color:#ff8a72;}
.crumb span{color:#5f6880;}
.page-hero h1{font-size:clamp(27px,4vw,46px);color:#fff;}
.page-hero h1 em{font-style:normal;color:#ff8a72;}
.page-hero .lead{font-size:clamp(15px,1.5vw,17.5px);color:#c6ccdd;max-width:700px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f6cfc7;}
.stat-card strong{display:block;font-size:30px;font-weight:900;color:var(--brand);letter-spacing:-.02em;}
.stat-card span{font-size:14.5px;color:var(--muted);}
/* 频道矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.channel-card{
 display:block;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand);}
.channel-card .idx{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.14em;}
.channel-card h3{font-size:19px;margin:12px 0 8px;}
.channel-card p{font-size:14.5px;color:var(--muted);margin:0 0 16px;}
.channel-card .more{font-size:14px;font-weight:700;color:var(--accent);}
.channel-card:hover .more{color:var(--brand-deep);}
/* 共创主题 */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.topic-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease;
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.topic-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--accent-soft);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.06);}
.topic-thumb .tag{
 position:absolute;left:12px;top:12px;
 background:rgba(13,17,32,.78);color:#fff;font-size:12px;font-weight:700;
 padding:5px 12px;border-radius:var(--pill);backdrop-filter:blur(6px);
}
.topic-body{padding:20px 22px 24px;}
.topic-body h3{font-size:17.5px;margin-bottom:8px;}
.topic-body p{font-size:14.5px;color:var(--muted);margin:0;}
/* 榜单 */
.rank-list{display:grid;gap:12px;}
.rank-item{
 display:grid;grid-template-columns:56px 1.1fr 1fr 1fr;gap:16px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#f6cfc7;}
.rank-no{font-size:20px;font-weight:900;color:var(--brand);}
.rank-name{font-weight:800;font-size:16px;}
.rank-name small{display:block;font-size:13px;color:var(--muted);font-weight:500;}
.rank-field{font-size:14.5px;color:var(--ink-2);}
.rank-meta{text-align:right;font-size:14px;color:var(--muted);}
.rank-meta b{color:var(--ink);font-weight:800;}
/* 方法工具 */
.method-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.method-card{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.method-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.method-card .dot{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-weight:900;font-size:15px;margin-bottom:16px;
}
.method-card h3{font-size:17px;}
.method-card p{font-size:14.5px;color:var(--muted);margin:0;}
/* 精选内容列表 */
.feed-list{display:grid;gap:16px;}
.feed-item{
 display:grid;grid-template-columns:190px 1fr auto;gap:22px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feed-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f6cfc7;}
.feed-thumb{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/10;background:var(--accent-soft);}
.feed-thumb img{width:100%;height:100%;object-fit:cover;}
.feed-body h3{font-size:17px;margin-bottom:6px;}
.feed-body p{font-size:14.5px;color:var(--muted);margin:0;}
.feed-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;}
.badge-tag{
 display:inline-flex;align-items:center;
 font-size:12.5px;font-weight:700;color:var(--accent);
 background:var(--accent-soft);padding:4px 12px;border-radius:var(--pill);
}
.badge-tag--warm{color:var(--brand-deep);background:var(--brand-soft);}
.feed-side{font-size:13.5px;color:var(--muted);white-space:nowrap;text-align:right;}
.feed-more{margin-top:26px;text-align:center;}
/* 时间线 */
.timeline{display:grid;gap:26px;position:relative;padding-left:28px;max-width:760px;}
.timeline::before{
 content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--brand) 0%,rgba(232,53,31,.12) 100%);
}
.timeline-item{position:relative;}
.timeline-item::before{
 content:"";position:absolute;left:-28px;top:9px;width:12px;height:12px;border-radius:50%;
 background:var(--brand);box-shadow:0 0 0 4px rgba(232,53,31,.2);
}
.timeline-item h3{font-size:17px;color:#fff;margin-bottom:6px;}
.timeline-item p{font-size:14.5px;color:#a4abc4;margin:0;}
.timeline-item .time{font-size:12.5px;font-weight:800;letter-spacing:.1em;color:#ff8a72;}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:4px 24px;box-shadow:var(--shadow-sm);
}
.faq-item[open]{border-color:#f6cfc7;box-shadow:var(--shadow);}
.faq-item summary{
 cursor:pointer;list-style:none;font-weight:700;font-size:16.5px;
 padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;color:var(--brand);font-weight:400;line-height:1;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{color:var(--ink-2);font-size:15px;padding-bottom:20px;margin:0;}
/* 转化区 */
.cta-band{
 background:linear-gradient(120deg,var(--brand-deep) 0%,var(--brand) 52%,#ff6a3d 100%);
 color:#fff;
}
.cta-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:68px 0;}
.cta-inner h2{font-size:clamp(23px,2.8vw,32px);color:#fff;}
.cta-inner p{color:rgba(255,255,255,.86);font-size:15.5px;margin:0;}
.subscribe-form{
 display:flex;gap:10px;align-items:center;
 background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
 border-radius:var(--pill);padding:8px;
}
.subscribe-form input{
 flex:1;min-width:0;border:0;background:transparent;color:#fff;
 padding:12px 18px;font-size:15px;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.72);}
.subscribe-form button{
 background:#fff;color:var(--brand-deep);border-radius:var(--pill);
 padding:12px 26px;font-weight:800;font-size:15px;
 transition:transform .2s ease,background .2s ease;
}
.subscribe-form button:hover{transform:translateY(-2px);background:#fff3ef;}
.form-note{font-size:13px;color:rgba(255,255,255,.78);margin:12px 0 0;}
/* 页脚 */
.site-footer{background:var(--dark);color:#c3cad9;padding:64px 0 0;}
.footer-top{
 display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;
 padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14.5px;color:#8f98ae;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.5px;color:#98a1b6;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
 padding:22px 0;font-size:13.5px;color:#7b8292;
}
/* 响应式 */
@media (max-width:1080px){
 .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
 .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .method-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-top{grid-template-columns:1fr 1fr;}
 .rank-item{grid-template-columns:48px 1.2fr 1fr;}
 .rank-meta{grid-column:2 / -1;text-align:left;}
}
@media (max-width:960px){
 .header-inner{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;gap:12px;}
 .nav-burger{display:flex;}
 .nav{
  order:6;display:none;flex-direction:column;align-items:stretch;
  width:100%;margin:0;padding:10px 0 4px;gap:4px;
 }
 .nav a{padding:11px 14px;font-size:15px;}
 .nav-toggle:checked ~ .nav{display:flex;}
 .header-cta{margin-left:auto;}
 .cta-inner{grid-template-columns:1fr;padding:56px 0;gap:26px;}
 .feed-item{grid-template-columns:150px 1fr;}
 .feed-side{grid-column:2;text-align:left;}
}
@media (max-width:720px){
 .section{padding:64px 0;}
 .section--tight{padding:44px 0;}
 .page-hero-inner{padding:60px 0 64px;}
 .stat-strip{grid-template-columns:1fr;}
 .channel-grid,.topic-grid,.method-grid{grid-template-columns:1fr;}
 .feed-item{grid-template-columns:1fr;}
 .feed-side{grid-column:auto;}
 .footer-top{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
 .container{padding:0 18px;}
 .header-cta{display:none;}
 .hero-actions .btn{width:100%;}
 .subscribe-form{flex-direction:column;border-radius:var(--radius);}
 .subscribe-form input{width:100%;text-align:center;}
 .subscribe-form button{width:100%;}
 .rank-item{grid-template-columns:40px 1fr;}
 .rank-field{grid-column:2;}
 .rank-meta{grid-column:2;}
 .faq-item{padding:2px 18px;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}