/* roulang page: index */
:root{
  --bg:#120F1E;
  --bg-2:#1B1730;
  --card:#211C38;
  --footer:#0C0A16;
  --read:#1E1A33;
  --primary:#23E3B8;
  --primary-deep:#12B893;
  --primary-light:#6BFFDA;
  --accent:#FF7A3D;
  --violet:#8B5CF6;
  --text:#F1EFFA;
  --text-2:#A9A5C2;
  --text-3:#7B7893;
  --ink:#0C0A16;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.06);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --sh-card:0 6px 20px rgba(0,0,0,.35);
  --sh-hover:0 14px 34px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(35,227,184,.35);
  --sec:88px;
  --container:1280px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-light);text-decoration:none;transition:color .2s ease,text-underline-offset .2s ease;}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
button{font-family:inherit;cursor:pointer;}
input,button{font-size:16px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec) 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:28px;}
.section-head h2{
  font-size:28px;
  font-weight:700;
  letter-spacing:.3px;
  padding-left:14px;
  position:relative;
  line-height:1.4;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--primary);
  letter-spacing:1px;margin-bottom:12px;
}
.eyebrow i{font-size:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;line-height:1.2;
  border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:var(--ink);box-shadow:0 6px 18px rgba(35,227,184,.22);}
.btn-primary:hover{background:var(--primary-light);color:var(--ink);}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(35,227,184,.55);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-light);background:rgba(35,227,184,.08);}
.btn-text{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:6px;font-size:15px;}
.btn-text:hover{color:var(--primary-light);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;line-height:1.6;
  background:var(--primary);color:var(--ink);
}
.badge-accent{background:var(--accent);color:#1B0F07;}
.badge-violet{background:var(--violet);color:#fff;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:rgba(139,92,246,.16);color:#C9B8FF;
  border:1px solid rgba(139,92,246,.28);
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(18,15,30,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:rgba(18,15,30,.96);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{padding-top:14px;padding-bottom:10px;transition:padding .24s ease;}
.brand-row{display:flex;align-items:center;gap:22px;}
.brand{
  font-size:22px;font-weight:800;letter-spacing:.5px;color:var(--text);
  white-space:nowrap;
}
.brand:hover{text-decoration:none;color:var(--text);}
.brand em{font-style:normal;color:var(--primary);}
.brand .brand-dot{color:var(--accent);}
.search-box{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
}
.search-box i{
  position:absolute;left:14px;color:var(--text-3);font-size:14px;pointer-events:none;
}
.search-box input{
  width:100%;height:44px;padding:0 14px 0 38px;
  background:var(--bg-2);color:var(--text);
  border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(35,227,184,.18);
}
.hotwords{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.hotwords a{
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.hotwords a:hover{color:var(--primary);border-color:rgba(35,227,184,.4);background:rgba(35,227,184,.08);text-decoration:none;}
.header-cta{margin-left:auto;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:var(--r-btn);
  background:var(--bg-2);border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;
}
.channel-row{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  margin-top:12px;padding-top:10px;border-top:1px solid var(--line-2);
  transition:max-height .24s ease,opacity .2s ease,margin .24s ease,padding .24s ease;
}
.channel{
  position:relative;padding:8px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
}
.channel:hover{color:var(--text);background:rgba(255,255,255,.05);text-decoration:none;}
.channel.is-active{color:var(--primary);}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);
}
.site-header.is-scrolled .header-inner{padding-top:8px;padding-bottom:8px;}
.site-header.is-scrolled .channel-row{margin-top:8px;padding-top:8px;}
.site-header.is-scrolled .brand{font-size:20px;}

/* 移动端抽屉 */
.drawer{
  display:none;position:fixed;inset:64px 0 0;z-index:55;
  background:var(--bg);border-top:1px solid var(--line);
  padding:20px 16px 40px;overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer .search-box{max-width:none;margin-bottom:16px;}
.drawer .drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer .drawer-nav a{
  padding:14px 12px;border-radius:var(--r-btn);color:var(--text-2);
  font-weight:600;border-bottom:1px solid var(--line-2);
}
.drawer .drawer-nav a.is-active{color:var(--primary);background:rgba(35,227,184,.07);}
.drawer .drawer-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:1px;margin-bottom:10px;}
.drawer .hotwords{gap:10px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:560px;display:flex;align-items:flex-end;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(100deg,rgba(12,10,22,.96) 0%,rgba(18,15,30,.82) 42%,rgba(18,15,30,.35) 100%),
    linear-gradient(0deg,rgba(18,15,30,.98) 4%,rgba(18,15,30,.1) 62%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.05;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-inner{
  width:100%;max-width:var(--container);margin:0 auto;
  padding:96px 32px 56px;
}
.hero h1{
  font-size:40px;font-weight:800;letter-spacing:.5px;line-height:1.4;
  max-width:820px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{
  margin-top:18px;max-width:640px;font-size:18px;color:#D6D3E7;line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:22px;border-top:1px solid var(--line);}
.hero-facts div{min-width:120px;}
.hero-facts b{display:block;font-size:22px;font-weight:800;color:var(--primary);line-height:1.3;}
.hero-facts span{font-size:13px;color:var(--text-3);font-weight:500;}
.hero-rail{margin-top:40px;}
.hero-rail .rail-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.hero-rail .rail-head h3{font-size:16px;font-weight:700;color:#D6D3E7;}
.rail{position:relative;}
.rail-track{
  display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:6px;scrollbar-width:none;
}
.rail-track::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 240px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover),var(--glow);text-decoration:none;}
.rail-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.rail-card:hover .rail-cover img{transform:scale(1.04);}
.rail-cover .badge{position:absolute;left:10px;top:10px;}
.rail-body{padding:12px 14px 16px;}
.rail-body h4{font-size:15px;font-weight:600;color:var(--text);line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.rail-body p{margin-top:6px;font-size:13px;color:var(--text-3);}
.rail-arrow{
  position:absolute;top:38%;width:42px;height:42px;border-radius:50%;
  background:rgba(12,10,22,.82);border:1px solid var(--line);color:var(--text);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .2s ease,background-color .2s ease;
}
.rail:hover .rail-arrow{opacity:1;}
.rail-arrow:hover{background:var(--primary);color:var(--ink);}
.rail-arrow.prev{left:-8px;}
.rail-arrow.next{right:-8px;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-card);
  padding:26px 28px;
}
.stat-strip .stat b{display:block;font-size:26px;font-weight:800;color:var(--primary);line-height:1.3;}
.stat-strip .stat span{display:block;margin-top:4px;font-size:14px;color:var(--text-2);}
.stat-strip .stat i{color:var(--accent);font-size:13px;margin-right:6px;}

/* ---------- 卡片网格 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover),var(--glow);border-color:rgba(35,227,184,.3);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover .badge{position:absolute;left:12px;top:12px;}
.card-cover .heat{position:absolute;right:12px;top:12px;}
.card-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body h3 a{color:var(--text);}
.card-body h3 a:hover{color:var(--primary);text-decoration:none;}
.card-body p{
  margin-top:10px;font-size:13px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);font-weight:500;
  border-top:1px solid var(--line-2);
}
.card-meta span i{margin-right:5px;font-size:12px;}

/* ---------- 片单分区 ---------- */
.playlist-wrap{display:grid;grid-template-columns:300px 1fr;gap:34px;align-items:start;}
.pill-group{display:flex;flex-direction:column;gap:10px;}
.pill{
  text-align:left;padding:12px 16px;border-radius:var(--r-btn);
  background:var(--bg-2);border:1px solid var(--line-2);color:var(--text-2);
  font-size:15px;font-weight:600;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.pill:hover{color:var(--text);border-color:rgba(35,227,184,.35);}
.pill.is-on{background:rgba(35,227,184,.12);border-color:rgba(35,227,184,.5);color:var(--primary);}
.pill small{display:block;font-size:12px;color:var(--text-3);font-weight:500;margin-top:2px;}
.rank-list{border-top:1px solid var(--line-2);}
.rank-item{
  display:flex;align-items:center;gap:20px;padding:18px 14px;
  border-bottom:1px solid var(--line-2);
  transition:background-color .2s ease,padding-left .2s ease;
}
.rank-item:hover{background:rgba(255,255,255,.04);padding-left:20px;text-decoration:none;}
.rank-no{
  flex:0 0 42px;font-size:26px;font-weight:800;color:var(--primary);line-height:1;
  font-variant-numeric:tabular-nums;
}
.rank-main{flex:1;min-width:0;}
.rank-main h4{font-size:17px;font-weight:600;color:var(--text);line-height:1.5;}
.rank-main p{margin-top:6px;font-size:13px;color:var(--text-2);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.rank-side{flex:0 0 auto;text-align:right;font-size:13px;color:var(--text-3);}
.rank-side b{display:block;color:var(--accent);font-size:14px;font-weight:700;}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);
  padding:20px 20px 18px;display:flex;flex-direction:column;
  box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover),var(--glow);border-color:rgba(35,227,184,.3);}
.news-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.news-top .tag{font-size:12px;padding:3px 11px;}
.news-top time{font-size:13px;color:var(--text-3);font-weight:500;}
.news-card h3{font-size:17px;font-weight:600;line-height:1.55;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--primary);text-decoration:none;}
.news-card p{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:16px;padding-top:14px;border-top:1px solid var(--line-2);}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--bg-2);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state p{color:var(--text-2);font-size:15px;}

/* ---------- 订阅 CTA ---------- */
.cta-band{
  border-radius:18px;padding:52px 48px;
  background:linear-gradient(135deg,#1B1730 0%,#120F1E 100%);
  border:1px solid var(--line-2);
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(35,227,184,.22) 0%,rgba(35,227,184,0) 68%);
}
.cta-band h2{font-size:28px;font-weight:800;line-height:1.45;}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:520px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-form input{
  flex:1;min-width:220px;height:50px;padding:0 16px;
  background:var(--bg);color:var(--text);
  border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,227,184,.18);}
.cta-note{margin-top:12px;font-size:13px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line-2);max-width:920px;}
.faq-item{border-bottom:1px solid var(--line-2);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 26px;text-align:center;
  color:var(--primary);font-size:20px;font-weight:700;
  transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-item .faq-answer{padding:0 4px 22px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:760px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);border-top:1px solid var(--line-2);padding:60px 0 30px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{font-size:21px;font-weight:800;color:var(--text);}
.footer-brand em{font-style:normal;color:var(--primary);}
.footer-desc{margin-top:14px;font-size:14px;color:var(--text-3);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);text-decoration:none;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:64px;}
  .container{padding:0 24px;}
  .hero h1{font-size:32px;}
  .hero-inner{padding:80px 24px 48px;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .playlist-wrap{grid-template-columns:1fr;gap:22px;}
  .pill-group{flex-direction:row;flex-wrap:wrap;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px;}
  .search-box{max-width:280px;}
  .hotwords{display:none;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  body{font-size:16px;}
  .brand-row{gap:12px;}
  .search-box{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-row{display:none;}
  .hero{min-height:auto;}
  .hero-inner{padding:64px 16px 40px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .hero-facts{gap:18px;}
  .grid-cards,.news-grid{grid-template-columns:1fr;}
  .rail-card{flex:0 0 168px;}
  .rail-arrow{display:none;}
  .section-head h2{font-size:21px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;padding:22px;}
  .rank-item{gap:14px;padding:16px 8px;}
  .rank-no{flex-basis:32px;font-size:22px;}
}

/* roulang page: article */
:root{
  --bg:#120F1E;
  --bg-2:#1B1730;
  --card:#211C38;
  --footer-bg:#0C0A16;
  --primary:#23E3B8;
  --primary-dark:#12B893;
  --primary-light:#6BFFDA;
  --accent:#FF7A3D;
  --purple:#8B5CF6;
  --text:#F1EFFA;
  --text-2:#A9A5C2;
  --text-3:#7B7893;
  --line:rgba(255,255,255,.08);
  --card-border:rgba(255,255,255,.06);
  --read-bg:#1E1A33;
  --read-text:#E9E7F5;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 6px 20px rgba(0,0,0,.35);
  --shadow-hover:0 14px 34px rgba(0,0,0,.5);
  --container:1280px;
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.6;
  z-index:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.3px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.4px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--primary);color:#0C0A16;box-shadow:0 6px 18px rgba(35,227,184,.22);}
.btn-primary:hover{background:var(--primary-light);color:#0C0A16;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);background:var(--primary-dark);}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:rgba(35,227,184,.12);color:var(--primary-light);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{color:var(--primary);display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;}
.btn-text:hover{gap:12px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#0C0A16;
  font-size:12px;
  font-weight:700;
  line-height:1;
}
.tag-accent{background:var(--accent);color:#120F1E;}
.tag-purple{background:rgba(139,92,246,.85);color:#F6F3FF;}
.tag-soft{background:rgba(35,227,184,.12);color:var(--primary);border:1px solid rgba(35,227,184,.25);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(18,15,30,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background-color .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  background:rgba(18,15,30,.96);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(0,0,0,.4);
}
.header-inner{padding-top:0;padding-bottom:0;}
.brand-row{display:flex;align-items:center;gap:20px;height:74px;transition:height .24s ease;}
.site-header.is-stuck .brand-row{height:64px;}
.brand{
  font-size:20px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--text);
  white-space:nowrap;
}
.brand em{font-style:normal;color:var(--primary);}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:340px;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-btn);
  background:var(--bg-2);
  border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--text-3);font-size:14px;margin-right:10px;}
.search-box input{
  flex:1;
  height:100%;
  background:transparent;
  border:0;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,227,184,.18);}
.hotwords{display:flex;align-items:center;gap:8px;margin-left:auto;}
.hotwords a{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--card-border);
  font-size:13px;
  font-weight:500;
  color:var(--text-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.hotwords a:hover{background:rgba(35,227,184,.14);color:var(--primary);border-color:rgba(35,227,184,.35);}
.header-cta{margin-left:4px;}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  color:var(--text);
  background:var(--bg-2);
  font-size:18px;
}
.channel-row{
  display:flex;
  align-items:center;
  gap:6px;
  height:48px;
  border-top:1px solid var(--line);
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-row::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:100%;
  padding:0 16px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease;
}
.channel::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:-1px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background-color .2s ease;
}
.channel:hover{color:var(--text);}
.channel:hover::after{background:rgba(35,227,184,.4);}
.channel.is-active{color:var(--primary);}
.channel.is-active::after{background:var(--primary);}

/* ---------- Page main ---------- */
.page-main{padding:30px 0 var(--gap-section);}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:500;
  color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb span.sep{color:var(--text-3);opacity:.7;}
.breadcrumb span.now{color:var(--text-2);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 320px;
  gap:56px;
  justify-content:space-between;
  align-items:start;
}
.article-head{margin-bottom:28px;}
.article-head .head-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.article-head h1{
  font-size:40px;
  line-height:1.32;
  font-weight:800;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  font-size:13px;
  font-weight:500;
  color:var(--text-3);
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row .meta-item i{color:var(--primary);font-size:13px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}

.article-body{
  background:var(--read-bg);
  border:1px solid var(--card-border);
  border-radius:16px;
  padding:48px;
  box-shadow:var(--shadow-card);
}
.article-body h2{
  font-size:28px;
  line-height:1.45;
  font-weight:700;
  margin:2em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--primary);
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.6;
  margin:1.6em 0 .6em;
}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;color:var(--primary-light);}
.article-body p{font-size:17px;line-height:1.95;color:var(--read-text);margin:0 0 1.15em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body ul li{position:relative;list-style:none;padding-left:20px;}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.82em;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--primary);
  transform:rotate(45deg);
}
.article-body ol{list-style:decimal;}
.article-body li{font-size:17px;line-height:1.9;color:var(--read-text);margin-bottom:.55em;}
.article-body blockquote{
  margin:1.5em 0;
  padding:18px 22px;
  background:rgba(35,227,184,.08);
  border-left:4px solid var(--primary);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.article-body blockquote p{color:var(--text-2);margin:0;font-size:16px;}
.article-body img{border-radius:12px;margin:1.5em auto;box-shadow:0 10px 26px rgba(0,0,0,.4);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(35,227,184,.45);}
.article-body a:hover{color:var(--primary-light);border-bottom-color:var(--primary-light);}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.5em 0;
  font-size:15px;
  background:rgba(255,255,255,.02);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);color:var(--read-text);}
.article-body th{background:rgba(35,227,184,.08);color:var(--primary);font-weight:700;}
.article-body tr:last-child td{border-bottom:0;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body code{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 7px;
  font-size:14px;
  color:var(--primary-light);
}

.empty-state{
  background:var(--read-bg);
  border:1px dashed var(--line);
  border-radius:16px;
  padding:64px 28px;
  text-align:center;
}
.empty-state i{font-size:40px;color:var(--text-3);margin-bottom:18px;display:block;}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:24px;}

/* ---------- Article footer blocks ---------- */
.article-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:28px;
  padding:20px 24px;
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--r-card);
}
.article-actions .back-link{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--primary);font-size:15px;}
.article-actions .back-link i{transition:transform .2s ease;}
.article-actions .back-link:hover i{transform:translateX(-4px);}
.article-actions .share-hint{font-size:13px;color:var(--text-3);}

.related{margin-top:56px;}
.section-title{display:flex;align-items:center;gap:12px;margin-bottom:24px;}
.section-title h2{font-size:24px;font-weight:700;}
.section-title h2::before{
  content:"";
  display:inline-block;
  width:4px;
  height:20px;
  border-radius:2px;
  background:var(--primary);
  margin-right:12px;
  vertical-align:-2px;
}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover),0 0 0 1px rgba(35,227,184,.35);
  border-color:transparent;
}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{
  position:absolute;
  left:12px;
  top:12px;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#0C0A16;
  font-size:12px;
  font-weight:700;
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;font-weight:700;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:13px;line-height:1.75;color:var(--text-2);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3);}
.card-meta .cat{color:var(--primary);font-weight:600;}

/* ---------- Sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:24px;}
.side-card{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:18px;
  padding-left:12px;
  border-left:3px solid var(--primary);
  line-height:1.3;
}
.rank-list li + li{border-top:1px solid var(--line);}
.rank-list a{display:flex;gap:14px;padding:13px 0;align-items:flex-start;}
.rank-list .num{
  flex:0 0 auto;
  font-size:20px;
  font-weight:800;
  line-height:1.2;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  opacity:.85;
}
.rank-list li:nth-child(n+4) .num{color:var(--text-3);opacity:.7;}
.rank-list .txt{font-size:14px;line-height:1.65;color:var(--text-2);transition:color .2s ease;}
.rank-list a:hover .txt{color:var(--primary);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(139,92,246,.14);
  border:1px solid rgba(139,92,246,.3);
  font-size:13px;
  color:#D9CFFB;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tag-cloud a:hover{background:rgba(35,227,184,.16);border-color:rgba(35,227,184,.4);color:var(--primary);}
.side-note{font-size:13px;line-height:1.9;color:var(--text-2);margin-bottom:18px;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  background:var(--footer-bg);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--text);margin-bottom:14px;}
.footer-brand em{font-style:normal;color:var(--primary);}
.footer-desc{font-size:14px;line-height:1.9;color:var(--text-2);max-width:360px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--primary);transform:translateX(3px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px;}
  .article-head h1{font-size:34px;}
}
@media (max-width:1024px){
  :root{--gap-section:64px;}
  .container{padding-left:24px;padding-right:24px;}
  .hotwords{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{order:2;}
  .article-body{padding:36px 32px;}
  .article-head h1{font-size:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .search-box,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .brand-row{height:64px;}
  .channel-row{
    display:none;
    flex-direction:column;
    align-items:stretch;
    height:auto;
    gap:0;
    padding:6px 0 14px;
    overflow:visible;
  }
  body.nav-open .channel-row{display:flex;}
  .channel{height:auto;padding:14px 4px;border-bottom:1px solid var(--line);font-size:15px;}
  .channel::after{display:none;}
  .channel.is-active{color:var(--primary);}
}
@media (max-width:640px){
  :root{--gap-section:48px;}
  body{font-size:15px;}
  .container{padding-left:16px;padding-right:16px;}
  .page-main{padding-top:20px;}
  .article-head h1{font-size:26px;line-height:1.42;}
  .article-body{padding:24px 20px;border-radius:14px;}
  .article-body p,.article-body li{font-size:15px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-actions{flex-direction:column;align-items:flex-start;padding:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .breadcrumb span.now{max-width:160px;}
  .section-title h2{font-size:20px;}
}

/* roulang page: category1 */
:root{
  --bg:#120F1E;
  --surface:#1B1730;
  --card:#211C38;
  --read:#1E1A33;
  --footer-bg:#0C0A16;
  --primary:#23E3B8;
  --primary-dark:#12B893;
  --primary-light:#6BFFDA;
  --accent:#FF7A3D;
  --violet:#8B5CF6;
  --text:#F1EFFA;
  --text-2:#A9A5C2;
  --text-3:#7B7893;
  --read-text:#E9E7F5;
  --line:rgba(255,255,255,.08);
  --card-border:rgba(255,255,255,.06);
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 6px 20px rgba(0,0,0,.35);
  --shadow-hover:0 14px 34px rgba(0,0,0,.5), 0 0 0 1px rgba(35,227,184,.35);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
a:hover{color:var(--primary-light);text-decoration:underline;text-underline-offset:3px;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
button,input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
h1{font-size:40px;line-height:1.35;font-weight:800;letter-spacing:.5px;}
h2{font-size:28px;line-height:1.4;font-weight:700;letter-spacing:.3px;}
h2.section-title{position:relative;padding-left:16px;}
h2.section-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--primary);}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{max-width:760px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{margin-bottom:28px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--primary);}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);display:inline-block;}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(35,227,184,.14);color:var(--primary-light);}
.tag--accent{background:rgba(255,122,61,.16);color:#FFB187;}
.tag--violet{background:rgba(139,92,246,.18);color:#C9B4FF;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:all .2s ease;background:transparent;color:var(--text);}
.btn-primary{background:var(--primary);color:#0C0A16;}
.btn-primary:hover{background:var(--primary-light);color:#0C0A16;transform:translateY(-1px);text-decoration:none;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(35,227,184,.5);color:var(--primary-light);}
.btn-ghost:hover{background:rgba(35,227,184,.12);color:var(--primary-light);text-decoration:none;transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-text{background:none;border:none;color:var(--primary);font-weight:700;padding:0;min-height:auto;}
.btn-text:hover{color:var(--primary-light);text-decoration:underline;text-underline-offset:3px;}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(18,15,30,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background-color .24s ease,border-color .24s ease,box-shadow .24s ease;}
.site-header.is-stuck{background:rgba(18,15,30,.94);border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.header-inner{display:flex;flex-direction:column;gap:10px;padding-top:14px;padding-bottom:12px;transition:padding .24s ease;}
.site-header.is-stuck .header-inner{padding-top:8px;padding-bottom:8px;}
.brand-row{display:flex;align-items:center;gap:18px;}
.brand{font-size:20px;font-weight:800;letter-spacing:.4px;color:var(--text);white-space:nowrap;}
.brand em{font-style:normal;color:var(--primary);}
.brand:hover{text-decoration:none;color:var(--text);}
.search-box{display:flex;align-items:center;gap:10px;flex:1 1 auto;max-width:360px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:0 16px;height:40px;transition:border-color .2s ease,box-shadow .2s ease;}
.search-box i{color:var(--text-3);font-size:14px;}
.search-box input{flex:1;background:none;border:none;outline:none;color:var(--text);font-size:14px;height:100%;min-width:0;}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,227,184,.18);}
.hotwords{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.hotwords a{font-size:12px;font-weight:600;color:var(--text-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:rgba(255,255,255,.03);}
.hotwords a:hover{color:var(--primary-light);border-color:rgba(35,227,184,.45);text-decoration:none;background:rgba(35,227,184,.1);}
.header-cta{margin-left:auto;}
.nav-toggle{display:none;margin-left:auto;background:var(--surface);border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:var(--radius-btn);font-size:17px;cursor:pointer;}
.channel-row{display:flex;align-items:center;gap:26px;border-top:1px solid var(--line);padding-top:10px;}
.channel{position:relative;font-size:15px;font-weight:600;color:var(--text-2);padding-bottom:8px;}
.channel::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:transparent;transition:background-color .2s ease;}
.channel:hover{color:var(--text);text-decoration:none;}
.channel:hover::after{background:rgba(35,227,184,.4);}
.channel.is-active{color:var(--primary-light);}
.channel.is-active::after{background:var(--primary);}
.site-header.is-stuck .hotwords{opacity:.9;}

/* ============ HERO ============ */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.cat-hero__bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;}
.cat-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,15,30,.96) 0%,rgba(18,15,30,.86) 45%,rgba(18,15,30,.58) 100%);}
.cat-hero__grid{position:absolute;inset:0;opacity:.05;background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);background-size:44px 44px;}
.cat-hero__inner{position:relative;padding:76px 0 68px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary-light);}
.cat-hero h1{max-width:820px;}
.cat-hero h1 span{color:var(--primary);}
.cat-hero__lead{color:var(--text-2);font-size:17px;max-width:700px;margin-top:18px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);}
.hero-meta div strong{display:block;font-size:24px;font-weight:800;color:var(--primary-light);line-height:1.4;}
.hero-meta div span{font-size:13px;color:var(--text-3);}

/* ============ FILTER BAR ============ */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{display:inline-flex;align-items:center;min-height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;}
.chip:hover{color:var(--primary-light);border-color:rgba(35,227,184,.45);text-decoration:none;}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#0C0A16;}
.sort-hint{font-size:14px;color:var(--text-3);}
.sort-hint strong{color:var(--primary);font-weight:700;}

/* ============ MEDIA CARD GRID ============ */
.card-grid{margin-top:34px;}
.media-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(35,227,184,.35);}
.media-card__cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface);}
.media-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.media-card:hover .media-card__cover img{transform:scale(1.04);}
.media-card__cover .badge{position:absolute;left:12px;top:12px;}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--primary);color:#0C0A16;}
.badge--accent{background:var(--accent);color:#1A0E05;}
.badge--violet{background:var(--violet);color:#150B2B;}
.media-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.media-card__title{font-size:18px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-card__title a:hover{text-decoration:none;color:var(--primary-light);}
.media-card__desc{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-card__meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);font-weight:500;}

/* ============ STEPS ============ */
.steps-wrap{background:var(--surface);border:1px solid var(--card-border);border-radius:18px;padding:44px;}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:28px;}
.step{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-card);padding:24px;transition:transform .2s ease,border-color .2s ease;}
.step:hover{transform:translateY(-3px);border-color:rgba(35,227,184,.3);}
.step__num{font-size:26px;font-weight:800;color:var(--primary);line-height:1;}
.step h3{margin:14px 0 8px;font-size:17px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:none;}

/* ============ SPLIT PANEL ============ */
.split{display:grid;grid-template-columns:0.9fr 1.1fr;gap:44px;align-items:center;}
.split__media{border-radius:18px;overflow:hidden;border:1px solid var(--card-border);box-shadow:var(--shadow-card);}
.split__media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.split h2{margin-bottom:16px;}
.split p{color:var(--text-2);font-size:16px;margin-bottom:14px;}
.check-list{display:grid;gap:12px;margin-top:20px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.8;}
.check-list i{color:var(--primary);margin-top:7px;font-size:13px;flex:none;}

/* ============ FAQ ============ */
.faq-list{margin-top:26px;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:18px;padding:22px 4px;font-size:16px;font-weight:600;color:var(--text);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--primary);transition:transform .22s ease;flex:none;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item[open] summary{color:var(--primary-light);}
.faq-item .faq-answer{padding:0 4px 24px;font-size:15px;color:var(--text-2);line-height:1.9;max-width:820px;}

/* ============ CTA ============ */
.cta-band{background:linear-gradient(135deg,#1B1730 0%,#120F1E 100%);border:1px solid rgba(35,227,184,.22);border-radius:20px;padding:48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-band h2{margin-bottom:12px;}
.cta-band p{color:var(--text-2);font-size:15px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{height:48px;min-width:260px;border-radius:var(--radius-btn);border:1px solid var(--line);background:var(--surface);color:var(--text);padding:0 18px;font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,227,184,.18);}
.cta-form .btn{height:48px;}

/* ============ PAGER ============ */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:48px;}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 14px;border-radius:var(--radius-btn);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--text-2);background:rgba(255,255,255,.02);}
.pager a:hover{color:var(--primary-light);border-color:rgba(35,227,184,.45);text-decoration:none;}
.pager .is-current{background:var(--primary);border-color:var(--primary);color:#0C0A16;}

/* ============ FOOTER ============ */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);margin-top:88px;padding:60px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{font-size:20px;font-weight:800;color:var(--text);}
.footer-brand em{font-style:normal;color:var(--primary);}
.footer-desc{color:var(--text-3);font-size:14px;line-height:1.9;margin-top:14px;max-width:360px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:5px 0;}
.footer-col a:hover{color:var(--primary-light);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);}

/* ============ RESPONSIVE ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .search-box,.hotwords,.header-cta,.channel-row{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .brand-row{flex-wrap:wrap;gap:12px;}
  .site-header.is-open .search-box{display:flex;max-width:none;width:100%;order:3;}
  .site-header.is-open .hotwords{display:flex;width:100%;order:4;}
  .site-header.is-open .header-cta{display:inline-flex;order:5;}
  .site-header.is-open .channel-row{display:flex;flex-direction:column;align-items:flex-start;gap:0;width:100%;}
  .site-header.is-open .channel{width:100%;padding:12px 0;border-bottom:1px solid var(--line);}
  .site-header.is-open .channel::after{display:none;}
  .site-header.is-open .channel.is-active{color:var(--primary-light);}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:28px;}
  .steps-wrap{padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:34px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  h1{font-size:26px;}
  h2{font-size:21px;}
  .cat-hero__inner{padding:52px 0 44px;}
  .hero-meta{gap:20px;}
  .hero-meta div strong{font-size:20px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px;border-radius:16px;}
  .cta-form input{min-width:0;width:100%;}
  .cta-form{width:100%;}
  .cta-form .btn{width:100%;}
  .filter-bar{flex-direction:column;align-items:flex-start;}
  .steps-wrap{padding:22px;}
  .pager a,.pager span{min-width:40px;height:40px;padding:0 10px;font-size:13px;}
}

/* roulang page: category2 */
:root{
  --bg:#120F1E;
  --bg-2:#1B1730;
  --card:#211C38;
  --footer:#0C0A16;
  --read:#1E1A33;
  --read-text:#E9E7F5;
  --primary:#23E3B8;
  --primary-dark:#12B893;
  --primary-light:#6BFFDA;
  --accent:#FF7A3D;
  --violet:#8B5CF6;
  --text:#F1EFFA;
  --muted:#A9A5C2;
  --dim:#7B7893;
  --line:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.06);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow:0 6px 20px rgba(0,0,0,.35);
  --shadow-hover:0 14px 34px rgba(0,0,0,.5), 0 0 0 1px rgba(35,227,184,.35);
  --sec:88px;
  --max:1280px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.5px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,button{font-size:16px;}
::selection{background:rgba(35,227,184,.3);}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 32px;
}
.container-narrow{max-width:980px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(18,15,30,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:rgba(18,15,30,.95);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.header-inner{padding-top:14px;padding-bottom:0;}
.brand-row{
  display:flex;
  align-items:center;
  gap:18px;
  padding-bottom:12px;
}
.brand{
  font-size:20px;
  font-weight:800;
  letter-spacing:.6px;
  color:var(--text);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand em{
  font-style:normal;
  color:var(--primary);
}
.brand:hover{text-decoration:none;color:var(--primary-light);}
.search-box{
  position:relative;
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
}
.search-box i{
  position:absolute;
  left:14px;
  color:var(--dim);
  font-size:14px;
  pointer-events:none;
}
.search-box input[type="search"]{
  width:100%;
  height:42px;
  padding:0 14px 0 38px;
  background:var(--bg-2);
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  color:var(--text);
  line-height:42px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input[type="search"]::placeholder{color:var(--dim);}
.search-box input[type="search"]:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(35,227,184,.18);
  background:#221D3C;
}
.hotwords{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}
.hotwords a{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(139,92,246,.14);
  border:1px solid rgba(139,92,246,.28);
  color:#CFC7F5;
  font-size:13px;
  font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.hotwords a:hover{
  background:rgba(35,227,184,.16);
  border-color:rgba(35,227,184,.4);
  color:var(--primary-light);
  text-decoration:none;
  transform:translateY(-1px);
}
.header-cta{margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  background:var(--bg-2);
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  color:var(--text);
  font-size:17px;
}
.channel-row{
  display:flex;
  align-items:center;
  gap:28px;
  border-top:1px solid var(--line);
  padding:0 0 2px;
}
.channel{
  position:relative;
  padding:14px 2px 13px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s ease;
}
.channel::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transition:transform .22s ease;
}
.channel:hover{color:var(--text);text-decoration:none;}
.channel:hover::after{transform:scaleX(1);}
.channel.is-active{color:var(--primary);font-weight:700;}
.channel.is-active::after{transform:scaleX(1);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.4px;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-primary{
  background:var(--primary);
  color:#0C0A16;
  box-shadow:0 6px 18px rgba(35,227,184,.22);
}
.btn-primary:hover{
  background:var(--primary-light);
  color:#0C0A16;
  transform:translateY(-1px);
  box-shadow:0 10px 26px rgba(35,227,184,.32);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(35,227,184,.55);
  color:var(--primary-light);
}
.btn-ghost:hover{
  background:rgba(35,227,184,.12);
  border-color:var(--primary);
  color:var(--primary-light);
  transform:translateY(-1px);
}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
  font-size:15px;
}
.btn-text:hover{color:var(--primary-light);text-decoration:none;}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(3px);}

/* ---------- badges & pills ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.3px;
  background:var(--primary);
  color:#0C0A16;
}
.badge-accent{background:var(--accent);color:#1A0E07;}
.badge-violet{background:var(--violet);color:#F6F2FF;}
.badge-dim{background:rgba(255,255,255,.09);color:var(--muted);}

/* ---------- banner ---------- */
.banner{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(115deg,rgba(18,15,30,.95) 0%,rgba(18,15,30,.78) 45%,rgba(27,23,48,.72) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.banner::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  pointer-events:none;
}
.banner-inner{
  position:relative;
  z-index:2;
  padding:72px 0 64px;
  max-width:820px;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:500;
  color:var(--dim);
  margin-bottom:20px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{color:rgba(255,255,255,.22);}
.crumbs .current{color:var(--primary-light);}
.banner h1{
  font-size:40px;
  font-weight:800;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.banner h1 em{font-style:normal;color:var(--primary);}
.banner .lead{
  font-size:17px;
  color:var(--muted);
  max-width:640px;
  line-height:1.9;
}
.banner-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.stat-strip{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border-top:1px solid var(--line);
}
.stat-strip .stat{
  background:rgba(12,10,22,.55);
  padding:22px 26px;
}
.stat b{
  display:block;
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.5px;
}
.stat span{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-top:4px;
}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:28px;
  font-weight:700;
  padding-left:14px;
  position:relative;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--primary);
}
.section-head .sub{
  font-size:15px;
  color:var(--muted);
  margin-top:10px;
  padding-left:14px;
}
.section-head .head-side{display:flex;align-items:center;gap:14px;}

.filter-bar{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.filter-pill{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--bg-2);
  border:1px solid var(--border);
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  transition:all .2s ease;
}
.filter-pill:hover{color:var(--text);border-color:rgba(35,227,184,.4);text-decoration:none;}
.filter-pill.is-active{
  background:rgba(35,227,184,.14);
  border-color:var(--primary);
  color:var(--primary-light);
}
.sort-link{
  margin-left:auto;
  font-size:13px;
  font-weight:600;
  color:var(--dim);
}
.sort-link:hover{color:var(--primary);text-decoration:none;}

/* ---------- row cards ---------- */
.row-list{
  display:flex;
  flex-direction:column;
}
.row-card{
  position:relative;
  display:grid;
  grid-template-columns:160px minmax(0,1fr) 32px;
  gap:24px;
  align-items:center;
  padding:24px 20px 24px 22px;
  border-bottom:1px solid var(--line);
  transition:transform .22s ease,background .22s ease;
}
.row-card::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  opacity:0;
  transition:opacity .22s ease;
}
.row-card:hover{
  transform:translateX(4px);
  background:rgba(35,227,184,.045);
}
.row-card:hover::before{opacity:1;}
.row-thumb{
  position:relative;
  display:block;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--bg-2);
  aspect-ratio:16 / 10;
}
.row-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .24s ease;
}
.row-card:hover .row-thumb img{transform:scale(1.04);}
.row-top{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
  flex-wrap:wrap;
}
.row-time{
  font-size:13px;
  font-weight:500;
  color:var(--dim);
}
.row-body h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:8px;
}
.row-body h3 a{color:var(--text);}
.row-body h3 a:hover{color:var(--primary-light);text-decoration:none;}
.row-body p{
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.row-meta{
  display:flex;
  align-items:center;
  gap:18px;
  margin-top:12px;
  font-size:13px;
  font-weight:500;
  color:var(--dim);
  flex-wrap:wrap;
}
.row-meta i{margin-right:5px;color:rgba(35,227,184,.7);}
.row-arrow{
  display:flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:50%;
  border:1px solid var(--border);
  color:var(--dim);
  font-size:13px;
  transition:all .22s ease;
}
.row-card:hover .row-arrow{
  border-color:var(--primary);
  color:var(--primary);
  background:rgba(35,227,184,.1);
}
.row-empty{
  padding:56px 0;
  text-align:center;
  color:var(--dim);
}
.row-empty i{font-size:30px;color:var(--violet);display:block;margin-bottom:14px;}
.row-empty p{font-size:15px;margin-bottom:14px;}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.step-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:30px 26px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(35,227,184,.35);
}
.step-num{
  font-size:34px;
  font-weight:800;
  color:rgba(35,227,184,.28);
  line-height:1;
  margin-bottom:16px;
  letter-spacing:1px;
}
.step-card h3{font-size:19px;font-weight:600;margin-bottom:12px;}
.step-card p{font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- schedule ---------- */
.schedule-wrap{
  background:linear-gradient(135deg,#1B1730 0%,#120F1E 100%);
  border:1px solid var(--border);
  border-radius:18px;
  padding:44px;
}
.schedule-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 44px;
}
.schedule-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.schedule-time{
  flex:0 0 76px;
  font-size:17px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.4px;
}
.schedule-info{min-width:0;}
.schedule-info strong{
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.schedule-info span{
  display:block;
  font-size:13px;
  color:var(--dim);
  margin-top:2px;
}
.schedule-tag{
  margin-left:auto;
  flex:0 0 auto;
  font-size:12px;
  font-weight:700;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:rgba(255,122,61,.16);
  color:#FFB694;
}

/* ---------- evidence ---------- */
.evidence{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:44px;
  align-items:center;
}
.evidence h2{
  font-size:28px;
  font-weight:700;
  padding-left:14px;
  position:relative;
  margin-bottom:22px;
}
.evidence h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);
}
.evidence p{font-size:16px;color:var(--muted);margin-bottom:16px;max-width:560px;}
.evidence-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.metric{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.metric b{
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.5px;
}
.metric span{display:block;font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- faq ---------- */
.faq-list{
  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;
  color:var(--text);
  min-height:44px;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary-light);}
.faq-item summary .faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--border);
  color:var(--muted);
  font-size:12px;
  transition:transform .24s ease,color .24s ease,border-color .24s ease;
}
.faq-item[open] summary .faq-icon{
  transform:rotate(180deg);
  color:var(--primary);
  border-color:rgba(35,227,184,.5);
}
.faq-answer{
  padding:0 4px 24px;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  max-width:820px;
}

/* ---------- cta ---------- */
.cta-block{
  background:linear-gradient(120deg,#1B1730 0%,#120F1E 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:72px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:44px;
  align-items:center;
}
.cta-inner h2{
  font-size:30px;
  font-weight:800;
  margin-bottom:14px;
}
.cta-inner p{
  font-size:16px;
  color:var(--muted);
  max-width:520px;
}
.cta-form{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.cta-form input[type="email"]{
  flex:1 1 260px;
  min-height:48px;
  padding:0 16px;
  background:var(--bg-2);
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input[type="email"]::placeholder{color:var(--dim);}
.cta-form input[type="email"]:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(35,227,184,.18);
}
.cta-note{
  font-size:13px;
  color:var(--dim);
  margin-top:14px;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--footer);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr repeat(3,1fr);
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand{
  font-size:20px;
  font-weight:800;
  letter-spacing:.6px;
  margin-bottom:14px;
}
.footer-brand em{font-style:normal;color:var(--primary);}
.footer-desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.9;
  max-width:360px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:var(--muted);
  padding:6px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--primary);text-decoration:none;transform:translateX(3px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:var(--dim);
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .hotwords{display:none;}
}
@media (max-width:1024px){
  :root{--sec:64px;}
  .container{padding:0 24px;}
  .banner-inner{padding:56px 0 48px;}
  .banner h1{font-size:32px;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr 1fr;}
  .evidence{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .search-box{max-width:none;}
  .channel-row{
    display:none;
    gap:2px;
    border-top:1px solid var(--line);
  }
  .site-header.nav-open .channel-row{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    padding:12px 0 18px;
  }
  .channel{padding:13px 4px;font-size:16px;min-height:44px;display:flex;align-items:center;}
  .channel::after{display:none;}
  .channel.is-active{color:var(--primary);}
  .header-inner{padding-top:12px;}
  .brand-row{padding-bottom:12px;gap:12px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:var(--sec) 0;}
  .banner h1{font-size:28px;}
  .section-head h2,.evidence h2{font-size:24px;}
  .cta-inner h2{font-size:24px;}
  .row-card{
    grid-template-columns:110px minmax(0,1fr);
    gap:16px;
    padding:20px 12px 20px 14px;
  }
  .row-arrow{display:none;}
  .row-body h3{font-size:17px;}
  .row-body p{-webkit-line-clamp:3;}
  .schedule-wrap{padding:26px 20px;}
  .schedule-grid{grid-template-columns:1fr;gap:0;}
  .steps{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .banner-inner{padding:40px 0 36px;}
  .banner h1{font-size:26px;}
  .banner .lead{font-size:15px;}
  .btn{width:100%;}
  .banner-actions{flex-direction:column;align-items:stretch;}
  .header-cta{display:none;}
  .stat-strip .stat{padding:18px 16px;}
  .stat b{font-size:22px;}
  .row-card{grid-template-columns:96px minmax(0,1fr);gap:12px;}
  .row-body h3{font-size:16px;}
  .row-body p{font-size:14px;}
  .row-meta{gap:12px;}
  .evidence-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-form input[type="email"],.cta-form .btn{width:100%;flex:1 1 100%;}
  .section-head{gap:14px;}
}