/* roulang page: index */
:root{
  --brand:#1B6DFF;
  --brand-dark:#0F57D6;
  --brand-soft:#EAF2FF;
  --accent:#FF7A2A;
  --accent-soft:#FFF1E8;
  --success:#16A36A;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --text:#101828;
  --muted:#667085;
  --border:#E4E9F2;
  --danger:#D92D20;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,24,40,.04);
  --sh-md:0 8px 24px rgba(16,24,40,.06);
  --sh-lg:0 16px 40px rgba(16,24,40,.10);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-dark);text-decoration:none}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--brand-soft);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 8px 20px rgba(27,109,255,.28);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#F0691A;color:#fff;box-shadow:0 8px 20px rgba(255,122,42,.3);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:#C9D6EE;color:var(--brand-dark);background: #FBFDFF;transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600;
}
.tag-accent{background:var(--accent-soft);color:#C4551A}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(22,163,106,.12);color:var(--success);font-size:13px;font-weight:600;
}
.badge-live i{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block;box-shadow:0 0 0 3px rgba(22,163,106,.18)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--border)}
.brand-bar{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),#3E86FF);
  color:#fff;font-size:19px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(27,109,255,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:17px;font-weight:700;color:var(--text)}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.4px}
.search-box{display:flex;align-items:center;flex:1;max-width:360px;height:42px;background:#F5F7FB;border:1px solid var(--border);border-radius:var(--r-pill);padding:0 6px 0 16px;transition:border-color .18s,box-shadow .18s}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);background:#fff}
.search-box input{flex:1;border:0;background:transparent;outline:none;color:var(--text);min-width:0}
.search-box input::placeholder{color:#98A2B3}
.search-box button{height:32px;padding:0 16px;border-radius:var(--r-pill);background:var(--text);color:#fff;font-size:13px;font-weight:600;transition:background .18s}
.search-box button:hover{background:#000}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s}
body.nav-open .menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .menu-toggle span:nth-child(2){opacity:0}
body.nav-open .menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.channel-bar{background:#F9FBFF;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.channel-inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;transition:background .18s,color .18s;
}
.channel:hover{background:var(--brand-soft);color:var(--brand-dark)}
.channel.active{background:var(--brand-soft);color:var(--brand-dark)}
.channel.active::after{content:"";position:absolute;left:16px;right:16px;bottom:-9px;height:2px;border-radius:2px;background:var(--brand)}
.channel-hint{margin-left:auto;font-size:13px;color:var(--muted);white-space:nowrap}
.nav-drawer{display:none;border-top:1px solid var(--border);background:#fff}
body.nav-open .nav-drawer{display:block}
.nav-drawer .container{padding-top:12px;padding-bottom:16px;display:flex;flex-direction:column;gap:6px}
.nav-drawer a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--text);background:#F8FAFD}
.nav-drawer a:hover{background:var(--brand-soft);color:var(--brand-dark)}

/* ============ 首屏 ============ */
.hero{
  padding:40px 0 56px;
  background:
    radial-gradient(900px 420px at 88% -12%,rgba(27,109,255,.10),transparent 62%),
    radial-gradient(600px 320px at 4% 6%,rgba(255,122,42,.08),transparent 60%),
    var(--surface);
  border-bottom:1px solid var(--border);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);background:#0B1220;aspect-ratio:16/9}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.94}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,16,30,.05) 30%,rgba(9,16,30,.62) 100%)}
.status-badge{
  position:absolute;top:16px;left:16px;z-index:2;height:30px;padding:0 12px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.94);color:var(--accent);
  font-size:13px;font-weight:700;box-shadow:var(--sh-sm);
}
.media-timer{
  position:absolute;right:16px;bottom:16px;z-index:2;
  background:rgba(16,24,40,.72);color:#fff;backdrop-filter:blur(6px);
  padding:7px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;
}
.media-timer b{font-variant-numeric:tabular-nums;color:#FFD9BF}
.eyebrow{font-size:13px;font-weight:600;color:var(--brand-dark);letter-spacing:1.2px;text-transform:none;margin-bottom:12px}
.hero h1{font-size:28px;line-height:1.32;font-weight:700}
.hero-sub{margin-top:14px;color:var(--muted);font-size:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.countdown{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}
.cd-cell{
  flex:1 1 0;min-width:68px;background:var(--brand-soft);border:1px solid #D6E3FF;border-radius:var(--r-md);
  padding:12px 6px;text-align:center;
}
.cd-num{display:block;font-size:24px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums;line-height:1.2}
.cd-label{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.cd-note{margin-top:12px;font-size:13px;color:var(--muted)}
.live-open .cd-cell{background:rgba(22,163,106,.10);border-color:rgba(22,163,106,.3)}
.live-open .cd-num{color:var(--success)}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:26px;line-height:1.35}
.section-head p{margin-top:8px;color:var(--muted);font-size:15px;max-width:640px}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand-dark);white-space:nowrap}
.section-head .more:hover{text-decoration:underline}

/* ============ 看点列表 ============ */
.highlights{display:grid;grid-template-columns:repeat(2,1fr);gap:0 24px}
.hl-item{
  display:flex;gap:16px;padding:18px 14px;border-radius:var(--r-md);border-bottom:1px solid var(--border);
  transition:background .2s,transform .2s;
}
.hl-item:hover{background:var(--brand-soft);transform:translateX(3px)}
.hl-num{
  flex-shrink:0;width:32px;height:32px;border-radius:10px;background:#fff;border:1px solid var(--border);
  color:var(--brand-dark);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.hl-item h3{font-size:17px;line-height:1.5}
.hl-item p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.7}

/* ============ 提醒订阅 ============ */
.subscribe{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  background:linear-gradient(180deg,#FFFFFF,#F3F7FF);
  border:1px solid var(--border);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-md);
}
.subscribe h2{font-size:24px}
.subscribe p{margin-top:10px;color:var(--muted);font-size:15px}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 200px;height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--border);
  background:#fff;outline:none;transition:border-color .18s,box-shadow .18s;color:var(--text);
}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.form-msg{margin-top:12px;font-size:14px;min-height:22px}
.form-msg.ok{color:var(--success);font-weight:600}
.form-msg.err{color:var(--danger);font-weight:600}
.form-note{margin-top:8px;font-size:13px;color:var(--muted)}

/* ============ 回放卡片 ============ */
.replay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.replay-card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  box-shadow:var(--sh-md);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:block;
}
.replay-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:#D6E3FF}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1220}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.replay-card:hover .replay-thumb img{transform:scale(1.03)}
.duration{position:absolute;right:10px;bottom:10px;background:rgba(16,24,40,.78);color:#fff;font-size:12px;padding:3px 8px;border-radius:6px;font-variant-numeric:tabular-nums}
.replay-body{padding:18px 18px 20px}
.replay-body h3{font-size:17px;line-height:1.5;margin-top:10px}
.replay-body p{margin-top:8px;font-size:14px;color:var(--muted)}
.replay-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--brand-dark)}
.replay-card:hover .replay-link{color:var(--brand)}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);
  border-radius:16px;box-shadow:var(--sh-md);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;overflow:hidden;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:#D6E3FF}
.news-card-body{padding:20px 20px 14px;flex:1}
.news-title{font-size:18px;line-height:1.5;margin-top:12px}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--brand-dark)}
.news-excerpt{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px 18px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);
}
.news-more{font-size:13px;font-weight:600;color:var(--brand-dark)}
.news-more:hover{text-decoration:underline}
.empty-state{
  padding:44px 24px;text-align:center;color:var(--muted);font-size:15px;
  background:var(--surface);border:1px dashed var(--border);border-radius:16px;
}

/* ============ 项目入口矩阵 ============ */
.chip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.chip-card{
  display:flex;align-items:center;gap:12px;padding:16px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--sh-sm);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.chip-card:hover{transform:translateY(-2px);border-color:#D6E3FF;box-shadow:var(--sh-md)}
.chip-icon{
  width:36px;height:36px;border-radius:10px;background:var(--brand-soft);color:var(--brand-dark);
  font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.chip-card b{display:block;font-size:15px;color:var(--text)}
.chip-card span{display:block;font-size:12px;color:var(--muted)}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:20px;text-align:center}
.stat b{display:block;font-size:26px;color:var(--brand-dark);font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm)}
.faq details{border-bottom:1px solid var(--border)}
.faq details:last-child{border-bottom:0}
.faq 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:600;transition:background .18s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:#F8FAFD}
.faq summary::after{
  content:"";flex-shrink:0;width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .2s ease,border-color .2s;margin-top:-4px;
}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--brand);margin-top:4px}
.faq .faq-answer{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.75}

/* ============ CTA 横幅 ============ */
.cta-banner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--brand-soft);border:1px solid #D6E3FF;border-radius:var(--r-lg);padding:32px;
}
.cta-banner h2{font-size:24px}
.cta-banner p{margin-top:8px;color:var(--muted);font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:#0B1220;color:#C3CBD9;margin-top:8px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px}
.footer-brand .logo-mark{margin-bottom:14px}
.footer-brand b{display:block;color:#fff;font-size:16px;margin-bottom:10px}
.footer-brand p{font-size:14px;line-height:1.75;color:#98A2B3;max-width:320px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#C3CBD9}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8794A8;
}
.footer-bottom a{color:#C3CBD9}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media(max-width:1139px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{max-width:760px}
}
@media(max-width:1023px){
  .search-box{max-width:220px}
  .replay-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .chip-grid{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .subscribe{grid-template-columns:1fr;padding:26px}
  .section{padding:56px 0}
}
@media(max-width:900px){
  .menu-toggle{display:flex}
  .search-box{display:none}
  .channel-hint{display:none}
}
@media(max-width:767px){
  .brand-bar{height:64px;gap:12px}
  .logo-text em{display:none}
  .brand-actions .btn{display:none}
  .hero{padding:28px 0 40px}
  .hero h1{font-size:28px}
  .highlights{grid-template-columns:1fr}
  .replay-grid,.news-grid{grid-template-columns:1fr}
  .chip-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-banner{padding:24px}
  .footer-top{grid-template-columns:1fr;padding:40px 0 28px}
}
@media(max-width:520px){
  .cd-cell{min-width:60px;padding:10px 4px}
  .cd-num{font-size:20px}
  .hero-actions .btn{width:100%}
  .sub-form .btn{width:100%}
  .stat-row{grid-template-columns:1fr}
  .faq summary{padding:16px 18px;font-size:15px}
  .faq .faq-answer{padding:0 18px 18px}
}

/* roulang page: article */
:root{
  --brand:#1B6DFF;
  --brand-dark:#0F57D6;
  --brand-soft:#EAF2FF;
  --accent:#FF7A2A;
  --accent-soft:#FFF1E8;
  --success:#16A36A;
  --danger:#D92D20;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --text:#101828;
  --muted:#667085;
  --border:#E4E9F2;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,24,40,.04);
  --sh-md:0 8px 24px rgba(16,24,40,.06);
  --sh-lg:0 16px 40px rgba(16,24,40,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:-.01em;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:22px;}
li{margin:6px 0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(27,109,255,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  box-shadow:0 1px 0 var(--border),0 6px 20px rgba(16,24,40,.04);
}
.brand-bar{
  display:flex;align-items:center;gap:20px;
  min-height:74px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:42px;height:42px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:20px;font-weight:700;
  box-shadow:0 6px 16px rgba(27,109,255,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text b{font-size:18px;font-weight:700;color:var(--text);}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.02em;}
.search-box{
  margin-left:auto;
  display:flex;align-items:center;
  background:#F9FBFF;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:4px 4px 4px 16px;
  min-width:260px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.search-box input{
  border:0;background:transparent;outline:none;
  font-size:14px;width:100%;min-width:0;padding:8px 0;
}
.search-box input::placeholder{color:#98A2B3;}
.search-box button{
  flex-shrink:0;
  height:36px;padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;
  transition:background-color .18s ease,transform .18s ease;
}
.search-box button:hover{background:var(--brand-dark);}
.search-box button:active{transform:scale(.97);}
.brand-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--success);
  background:#E9F8F1;border:1px solid #CBEDDD;
  border-radius:var(--r-pill);padding:5px 12px;
  white-space:nowrap;
}
.badge-live i{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block;animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:600;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(27,109,255,.24);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 10px 24px rgba(27,109,255,.32);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,42,.26);}
.btn-accent:hover{background:#F06A18;color:#fff;}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--border);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border);background:var(--surface);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

.channel-bar{background:#F9FBFF;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.channel-inner{
  display:flex;align-items:center;gap:8px;
  height:52px;overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex-shrink:0;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--muted);
  border:1px solid transparent;
  transition:all .18s ease;
}
.channel:hover{color:var(--brand-dark);background:var(--brand-soft);}
.channel.active{color:var(--brand-dark);background:var(--brand-soft);border-color:#D3E3FF;}
.channel.active::after{
  content:"";position:absolute;left:50%;bottom:-14px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--brand-dark);
}
.channel-hint{margin-left:auto;font-size:12px;color:#98A2B3;white-space:nowrap;flex-shrink:0;}
.nav-drawer{display:none;background:var(--surface);border-bottom:1px solid var(--border);}
.nav-drawer .container{display:flex;flex-direction:column;padding-top:10px;padding-bottom:14px;}
.nav-drawer a{padding:11px 4px;font-size:15px;font-weight:600;color:var(--text);border-bottom:1px dashed var(--border);}
.nav-drawer a:last-child{border-bottom:0;color:var(--brand-dark);}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--border);}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  padding:14px 0;line-height:1.5;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-dark);}
.breadcrumb .sep{color:#C3CBD8;}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:32px;
  align-items:start;
  padding:36px 0 8px;
}
.article-main{min-width:0;}
.article-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  padding:36px 40px 44px;
}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--border);margin-bottom:28px;}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;
  padding:5px 13px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag-accent{background:var(--accent-soft);color:#C85713;}
.article-head h1{
  font-size:40px;line-height:1.28;font-weight:700;
  margin-bottom:18px;color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta b{font-weight:600;color:var(--text);}

/* ============ 正文排版 ============ */
.article-body{
  max-width:820px;
  font-size:16px;line-height:1.85;color:#1D2939;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:26px;line-height:1.4;font-weight:700;color:var(--text);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:700;color:var(--text);margin:30px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body p{margin:0 0 18px;}
.article-body strong{font-weight:700;color:#0B1220;}
.article-body a{color:var(--brand-dark);border-bottom:1px solid rgba(15,87,214,.35);}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;}
.article-body li{margin:8px 0;}
.article-body ul li::marker{color:var(--brand);}
.article-body img{border-radius:12px;margin:22px 0;box-shadow:var(--sh-sm);}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:4px solid var(--brand);
  background:var(--brand-soft);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:#1D2939;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  margin:24px 0;display:block;overflow-x:auto;white-space:nowrap;
  border-radius:var(--r-md);
}
.article-body th,.article-body td{
  border:1px solid var(--border);padding:11px 14px;text-align:left;
}
.article-body th{background:#F5F8FF;font-weight:600;}
.article-body code{
  background:#F2F5FA;border:1px solid var(--border);
  padding:1px 6px;border-radius:6px;font-size:14px;
}
.article-body hr{border:0;border-top:1px dashed var(--border);margin:32px 0;}

.empty-state{
  text-align:center;padding:56px 20px;
  background:#FAFCFF;border:1px dashed var(--border);border-radius:var(--r-md);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 16px;
  border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;
}
.empty-state h2{font-size:20px;margin-bottom:8px;padding:0;border:0;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:150px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  padding:22px;
}
.side-card h3{
  font-size:16px;font-weight:700;margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid var(--border);
}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{margin:0;border-bottom:1px dashed var(--border);}
.side-list li:last-child{border-bottom:0;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 4px;font-size:14.5px;font-weight:600;color:var(--text);
  border-radius:10px;
}
.side-list a:hover{background:var(--brand-soft);color:var(--brand-dark);padding-left:10px;padding-right:10px;}
.side-list a i{font-style:normal;color:var(--brand);font-size:15px;}
.side-note{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0;}
.side-list a span.arrow{color:#B9C3D2;transition:transform .18s ease,color .18s ease;}
.side-list a:hover span.arrow{color:var(--brand);transform:translateX(3px);}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
.section-head{margin-bottom:26px;max-width:760px;}
.section-head h2{font-size:28px;line-height:1.35;margin-bottom:10px;}
.section-head p{color:var(--muted);font-size:15px;margin:0;}
.grid{display:grid;gap:24px;}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}

.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--sh-md);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:#CFE0FF;}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .dur{
  position:absolute;right:10px;bottom:10px;
  background:rgba(16,24,40,.78);color:#fff;
  font-size:12px;font-weight:600;padding:3px 9px;border-radius:var(--r-pill);
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--brand-dark);}
.post-body p{
  font-size:14.5px;color:var(--muted);line-height:1.7;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
  padding-top:14px;border-top:1px solid var(--border);
}
.post-foot .go{font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.post-card:hover .post-foot .go{gap:10px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFE0FF;box-shadow:var(--sh-md);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FAFCFF;}
.faq-item summary .icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item[open] summary .icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted);}
.faq-answer p:last-child{margin-bottom:0;}

/* ============ CTA 横幅 ============ */
.cta-band{
  background:linear-gradient(135deg,#EAF2FF 0%,#F7FAFF 60%,#FFF1E8 100%);
  border:1px solid #DAE6FF;
  border-radius:var(--r-lg);
  padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-md);
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{color:var(--muted);font-size:15px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}

/* ============ 表单 ============ */
.field{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.field input{
  height:44px;padding:0 16px;min-width:240px;flex:1;
  border:1px solid var(--border);border-radius:10px;
  background:var(--surface);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.hint{font-size:13px;color:var(--muted);margin-top:12px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  background:#0E1729;
  color:#C6D0E0;
  padding:52px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:38px;
}
.footer-brand{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.footer-brand b{color:#fff;font-size:17px;font-weight:700;}
.footer-brand p{font-size:14px;line-height:1.8;color:#93A1B8;margin:0;max-width:340px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#93A1B8;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:13px;color:#8593AA;
}
.footer-bottom a{color:#B5C3DA;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:24px;}
}
@media (max-width:1023px){
  .search-box{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 280px;}
  .article-head h1{font-size:32px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .brand-bar{min-height:64px;gap:12px;}
  .logo-mark{width:38px;height:38px;font-size:18px;border-radius:11px;}
  .logo-text b{font-size:15px;}
  .logo-text em{display:none;}
  .badge-live{display:none;}
  .brand-actions .btn-primary{display:none;}
  .menu-toggle{display:flex;}
  body.nav-open .nav-drawer{display:block;}
  .channel-inner{height:48px;}
  .channel.active::after{display:none;}
  .channel-hint{display:none;}
  .channel.active{background:var(--brand);color:#fff;border-color:var(--brand);}
  .article-layout{padding:20px 0 0;gap:20px;}
  .article-card{padding:22px 18px 28px;border-radius:var(--r-md);}
  .article-head h1{font-size:26px;line-height:1.35;}
  .article-head{padding-bottom:18px;margin-bottom:20px;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .article-body{font-size:16px;line-height:1.8;}
  .article-body h2{font-size:21px;margin:30px 0 14px;}
  .article-body h3{font-size:18px;}
  .article-side{flex-direction:column;}
  .section{padding:40px 0;}
  .section-head h2{font-size:22px;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;justify-content:center;}
  .field input{min-width:0;width:100%;flex:1 1 100%;}
  .field .btn{width:100%;}
  .faq-item summary{padding:15px 16px;font-size:15px;}
  .faq-answer{padding:0 16px 16px;}
  .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .article-head h1{font-size:23px;}
  .logo-text b{font-size:14px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .breadcrumb{font-size:12px;}
}

/* roulang page: category1 */
:root{
  --brand:#1B6DFF;
  --brand-dark:#0F57D6;
  --brand-soft:#EAF2FF;
  --accent:#FF7A2A;
  --accent-soft:#FFF1E8;
  --success:#16A36A;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --text:#101828;
  --muted:#667085;
  --border:#E4E9F2;
  --danger:#D92D20;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-s:0 1px 2px rgba(16,24,40,.04);
  --shadow-m:0 8px 24px rgba(16,24,40,.06);
  --shadow-l:0 16px 40px rgba(16,24,40,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
strong{font-weight:700}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--surface);box-shadow:var(--shadow-s)}
.brand-bar{display:flex;align-items:center;gap:20px;min-height:74px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),#4E8DFF);
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:20px;
  box-shadow:0 6px 16px rgba(27,109,255,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.3}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:.2px}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted)}
.search-box{
  margin-left:auto;display:flex;align-items:center;gap:4px;
  background:#F4F7FC;border:1px solid var(--border);border-radius:var(--radius-pill);
  padding:4px;flex:1 1 240px;max-width:360px;transition:border-color .2s,box-shadow .2s;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.search-box input{border:none;background:transparent;outline:none;padding:8px 14px;flex:1;min-width:0;font-size:14px}
.search-box input::placeholder{color:#98A2B3}
.search-box button{background:var(--brand);color:#fff;border-radius:var(--radius-pill);padding:9px 18px;font-size:14px;font-weight:600;transition:background .2s}
.search-box button:hover{background:var(--brand-dark)}
.brand-actions{display:flex;align-items:center;gap:12px}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:#0B7A4E;background:#E7F7EF;border-radius:var(--radius-pill);padding:6px 13px;white-space:nowrap;
}
.badge-live i{width:7px;height:7px;border-radius:50%;background:var(--success);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.btn:focus-visible{outline:3px solid var(--brand-soft);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(27,109,255,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(27,109,255,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,42,.24)}
.btn-accent:hover{background:#EA6718;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:#CFE0FF}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.36)}
.btn-light:hover{background:rgba(255,255,255,.26)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;transition:border-color .2s,background .2s;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px}
.menu-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
.channel-bar{background:#F9FBFF;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.channel-inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;flex:0 0 auto;padding:14px 16px;font-size:15px;font-weight:500;
  color:var(--muted);border-radius:8px 8px 0 0;white-space:nowrap;transition:color .2s,background .2s;
}
.channel:hover{color:var(--brand-dark);background:var(--brand-soft)}
.channel.active{color:var(--brand-dark);font-weight:700}
.channel.active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--brand);border-radius:2px}
.channel-hint{margin-left:auto;padding-left:16px;font-size:12px;color:var(--muted);white-space:nowrap}
.nav-drawer{display:none;border-top:1px solid var(--border);background:#fff}
.nav-drawer .container{display:flex;flex-direction:column;padding-top:6px;padding-bottom:14px}
.nav-drawer a{padding:13px 4px;border-bottom:1px solid var(--border);font-size:15px}
.nav-drawer a:last-child{border-bottom:none;color:var(--brand-dark);font-weight:600}
@media (max-width:1023px){
  .menu-toggle{display:flex}
  .badge-live{display:none}
  .search-box{order:3;flex:1 1 100%;max-width:none;margin-left:0}
  body.nav-open .nav-drawer{display:block}
  .channel-hint{display:none}
}

/* ============ 通用区块 ============ */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:84px 0}}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:780px;margin-bottom:34px}
.section-head h2{font-size:26px;line-height:1.35;font-weight:700;letter-spacing:.2px}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px}
@media (min-width:1024px){.section-head h2{font-size:30px}}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:16px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:5px 13px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand-dark)}
.tag-accent{background:var(--accent-soft);color:#B4490D}
.tag-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3)}

/* ============ 面包屑 + 分类首屏 ============ */
.cat-hero{
  position:relative;color:#fff;padding:36px 0 56px;
  background-image:linear-gradient(118deg,rgba(9,34,82,.94) 0%,rgba(15,87,214,.82) 62%,rgba(27,109,255,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color .2s}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center}
.hero-copy .tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.hero-copy h1{font-size:34px;line-height:1.32;font-weight:700;letter-spacing:.2px}
@media (min-width:1024px){.hero-copy h1{font-size:40px;line-height:1.28}}
.hero-copy .lead{margin-top:16px;font-size:16px;color:rgba(255,255,255,.84);max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2)}
.hero-meta div{display:flex;flex-direction:column;line-height:1.4}
.hero-meta b{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
.hero-meta span{font-size:13px;color:rgba(255,255,255,.7);margin-top:2px}
.hero-figure{position:relative;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-l);border:1px solid rgba(255,255,255,.2)}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-figure figcaption{
  position:absolute;left:14px;bottom:14px;font-size:12px;padding:6px 12px;border-radius:var(--radius-pill);
  background:rgba(9,20,42,.72);color:#fff;backdrop-filter:blur(4px);
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-copy h1{font-size:28px}
}

/* ============ 卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:26px;
  box-shadow:var(--shadow-m);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-l);border-color:#CFE0FF}
.card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px;line-height:1.72}
.card .card-index{
  width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-weight:700;font-size:16px;margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.card-accent .card-index{background:var(--accent-soft);color:#B4490D}
.card-media{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-m);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-media:hover{transform:translateY(-2px);box-shadow:var(--shadow-l);border-color:#CFE0FF}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-media .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-media h3{font-size:17px;font-weight:600;line-height:1.5}
.card-media p{font-size:15px;color:var(--muted);line-height:1.7}
.card-media .go{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.card-media:hover .go{color:var(--brand)}
@media (max-width:1023px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;background:#fff;border:1px solid var(--border);border-radius:16px;padding:26px 22px;box-shadow:var(--shadow-s);transition:border-color .2s,box-shadow .2s,transform .2s}
.step:hover{border-color:#CFE0FF;box-shadow:var(--shadow-m);transform:translateY(-2px)}
.step-num{width:36px;height:36px;border-radius:11px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:16px;font-variant-numeric:tabular-nums;box-shadow:0 6px 14px rgba(27,109,255,.24)}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.7}
@media (max-width:1023px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.steps{grid-template-columns:1fr}}

/* ============ 排查列表 ============ */
.check-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-s)}
.check-item{display:flex;gap:16px;padding:22px 26px;border-bottom:1px solid var(--border);transition:background .2s}
.check-item:last-child{border-bottom:none}
.check-item:hover{background:var(--brand-soft)}
.check-item .idx{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;
  font-size:14px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:17px;font-weight:600;margin-bottom:5px}
.check-item p{font-size:15px;color:var(--muted);line-height:1.72}

/* ============ 深色区块 ============ */
.dark-band{
  background:linear-gradient(120deg,#0A1B33 0%,#102murky 0%,#122A4D 100%);
  background-color:#0B1B33;color:#fff;padding:64px 0;
}
.dark-band .section-head h2{color:#fff}
.dark-band .section-head p{color:rgba(255,255,255,.72)}
.dark-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:24px;
  transition:background .22s,border-color .22s,transform .22s;
}
.dark-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.32);transform:translateY(-2px)}
.dark-card h3{font-size:17px;font-weight:600;margin-bottom:10px;color:#fff}
.dark-card p{font-size:15px;color:rgba(255,255,255,.72);line-height:1.72}
.dark-num{font-size:13px;font-weight:700;letter-spacing:.08em;color:#7FB2FF;margin-bottom:12px;display:block}

/* ============ FAQ ============ */
.faq{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-s)}
.faq details{border-bottom:1px solid var(--border)}
.faq details:last-child{border-bottom:none}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;transition:background .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--brand-soft)}
.faq summary:focus-visible{outline:3px solid var(--brand-soft);outline-offset:-3px}
.faq .ico{position:relative;flex:0 0 22px;width:22px;height:22px}
.faq .ico::before,.faq .ico::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.faq .ico::before{left:0;top:10px;width:22px;height:2px}
.faq .ico::after{left:10px;top:0;width:2px;height:22px}
.faq details[open] summary{background:var(--brand-soft);color:var(--brand-dark)}
.faq details[open] .ico::after{transform:rotate(90deg);opacity:0}
.faq .answer{padding:0 26px 24px;font-size:15px;color:var(--muted);line-height:1.78;max-width:900px}

/* ============ CTA 横幅 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:var(--brand-soft);border:1px solid #CFE0FF;border-radius:20px;padding:32px;
  box-shadow:var(--shadow-s);
}
.cta-band h2{font-size:22px;font-weight:700;margin-bottom:8px}
.cta-band p{color:var(--muted);font-size:15px}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:767px){
  .cta-band{padding:24px}
  .cta-band .actions .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:#0B1B33;color:rgba(255,255,255,.76);margin-top:0}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;padding:56px 0 34px}
.footer-brand .logo-mark{margin-bottom:14px}
.footer-brand b{display:block;color:#fff;font-size:17px;margin-bottom:10px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:360px}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col li{margin-bottom:11px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.68);transition:color .2s}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 30px;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:#fff}
@media (max-width:1023px){.footer-top{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:600px){.footer-top{grid-template-columns:1fr}}

:focus-visible{outline:3px solid rgba(27,109,255,.45);outline-offset:2px}

/* roulang page: category2 */
:root{
  --brand:#1B6DFF;
  --brand-dark:#0F57D6;
  --brand-soft:#EAF2FF;
  --accent:#FF7A2A;
  --accent-soft:#FFF1E8;
  --success:#16A36A;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --text:#101828;
  --muted:#667085;
  --border:#E4E9F2;
  --danger:#D92D20;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,24,40,.04);
  --sh-md:0 8px 24px rgba(16,24,40,.06);
  --sh-lg:0 16px 40px rgba(16,24,40,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;}
input,button,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{line-height:1.3;font-weight:700;}
:focus-visible{outline:3px solid var(--brand-soft);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;
  white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(27,109,255,.24);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(255,122,42,.26);}
.btn-accent:hover{background:#E96A1B;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:var(--border);box-shadow:var(--sh-sm);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.btn:active{transform:translateY(0) scale(.99);}
.btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);}
.brand-bar{display:flex;align-items:center;gap:20px;padding:14px 20px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:44px;height:44px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;display:grid;place-items:center;font-size:20px;font-weight:700;
  box-shadow:var(--sh-md);
}
.logo-text b{display:block;font-size:17px;font-weight:700;letter-spacing:.2px;}
.logo-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:2px;}
.search-box{
  margin-left:auto;display:flex;align-items:center;gap:6px;
  width:300px;max-width:100%;padding:4px 4px 4px 14px;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);background:#fff;}
.search-box input{flex:1;min-width:0;height:34px;border:0;background:transparent;outline:none;font-size:14px;}
.search-box input::placeholder{color:var(--muted);}
.search-box button{
  height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;transition:background-color .18s ease;
}
.search-box button:hover{background:var(--brand-dark);}
.brand-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;white-space:nowrap;
}
.badge-live i{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(22,163,106,.16);}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r-md);
  background:#fff;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease;}
.menu-toggle:hover{border-color:var(--brand);}

.channel-bar{background:#F9FBFF;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.channel-inner{display:flex;align-items:center;gap:8px;padding:8px 20px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-block;padding:8px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;flex:0 0 auto;
}
.channel:hover{background:var(--brand-soft);color:var(--brand-dark);}
.channel.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.channel.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:-9px;height:2px;border-radius:2px;background:var(--brand);
}
.channel-hint{margin-left:auto;font-size:12px;color:var(--muted);white-space:nowrap;padding-left:16px;}

.nav-drawer{display:none;background:#fff;border-bottom:1px solid var(--border);}
.nav-drawer .container{display:flex;flex-direction:column;padding-top:8px;padding-bottom:12px;}
.nav-drawer a{padding:12px 4px;font-size:15px;font-weight:600;border-bottom:1px dashed var(--border);color:var(--text);}
.nav-drawer a:last-child{border-bottom:0;color:var(--brand-dark);}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.78);}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb span.sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ============ HERO ============ */
.hero{
  position:relative;color:#fff;
  background-image:linear-gradient(115deg,rgba(9,25,58,.94) 0%,rgba(11,38,88,.86) 45%,rgba(27,109,255,.55) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;background-repeat:no-repeat;
  padding:40px 0 60px;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center;margin-top:26px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;margin-bottom:18px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:#4ADE80;box-shadow:0 0 0 4px rgba(74,222,128,.22);}
.hero h1{font-size:40px;line-height:1.2;letter-spacing:.3px;margin-bottom:16px;}
.hero h1 .hl{color:#FFC48A;}
.hero-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);}
.hero-facts div b{display:block;font-size:24px;font-weight:700;letter-spacing:.5px;}
.hero-facts div span{font-size:13px;color:rgba(255,255,255,.72);}
.hero-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-lg);padding:14px;backdrop-filter:blur(6px);box-shadow:var(--sh-lg);
}
.hero-card img{border-radius:14px;aspect-ratio:16/9;object-fit:cover;width:100%;}
.hero-card figcaption{margin-top:12px;font-size:13px;color:rgba(255,255,255,.82);line-height:1.7;}

/* ============ 主体布局 ============ */
main{padding:56px 0 72px;}
.layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:32px;align-items:start;}
.anchor-nav{
  position:sticky;top:132px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:18px 16px;box-shadow:var(--sh-sm);
}
.anchor-nav h2{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-bottom:12px;}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--text);
}
.anchor-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.anchor-nav a .idx{
  width:22px;height:22px;flex:0 0 auto;border-radius:7px;background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:12px;font-weight:700;
}
.anchor-nav .tip{margin-top:14px;padding:12px;border-radius:var(--r-md);background:var(--accent-soft);font-size:13px;color:#9A4413;line-height:1.7;}

.panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-sm);margin-bottom:24px;scroll-margin-top:140px;
}
.panel:last-child{margin-bottom:0;}
.panel-head{margin-bottom:22px;}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:8px;}
.panel h2{font-size:26px;}
.panel-head p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;max-width:760px;}

/* 项目矩阵 */
.matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.matrix-item{
  border:1px solid var(--border);border-radius:var(--r-md);padding:18px;background:#fff;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-item:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--brand-soft);}
.matrix-item .ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:12px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:15px;font-weight:700;
}
.matrix-item h3{font-size:17px;margin-bottom:8px;}
.matrix-item p{font-size:14px;color:var(--muted);line-height:1.75;}

/* 排行表 */
.rank-list{margin-top:22px;border-top:1px solid var(--border);}
.rank-row{
  display:grid;grid-template-columns:46px minmax(0,1.2fr) minmax(0,1fr) minmax(0,.9fr);
  gap:14px;align-items:center;padding:14px 10px;border-bottom:1px solid var(--border);
  transition:background-color .18s ease;
}
.rank-row:hover{background:var(--brand-soft);}
.rank-row .rk{
  width:30px;height:30px;border-radius:9px;background:var(--bg);border:1px solid var(--border);
  display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--brand-dark);
}
.rank-row .rk.top{background:var(--accent-soft);border-color:#FFD9BE;color:#B54C0C;}
.rank-row b{font-size:15px;font-weight:600;}
.rank-row span{font-size:14px;color:var(--muted);}

/* 时间线 */
.timeline{position:relative;margin-top:6px;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-soft));}
.tl-item{position:relative;padding:0 0 22px 4px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-time{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:700;margin-bottom:8px;}
.tl-item h3{font-size:16px;margin-bottom:6px;}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.75;}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.step{
  display:flex;gap:16px;padding:20px;border:1px solid var(--border);border-radius:var(--r-md);
  background:linear-gradient(180deg,#fff, #FBFCFE);transition:border-color .2s ease,box-shadow .2s ease;
}
.step:hover{border-color:var(--brand-soft);box-shadow:var(--sh-md);}
.step .no{
  width:34px;height:34px;flex:0 0 auto;border-radius:11px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;box-shadow:0 6px 14px rgba(27,109,255,.22);
}
.step h3{font-size:16px;margin-bottom:6px;}
.step p{font-size:14px;color:var(--muted);line-height:1.75;}

/* 回放卡片 */
.replay-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.replay-card{
  border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.replay-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:var(--brand-soft);}
.thumb{position:relative;}
.thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.thumb .dur{
  position:absolute;right:10px;bottom:10px;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(9,25,58,.78);color:#fff;font-size:12px;font-weight:600;
}
.thumb .tag{
  position:absolute;left:10px;top:10px;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand-dark);font-size:12px;font-weight:700;
}
.replay-body{padding:16px 18px 18px;}
.replay-body h3{font-size:17px;margin-bottom:8px;}
.replay-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.replay-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);font-size:14px;}
.replay-foot a{font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* 订阅表单 */
.subscribe{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;
  padding:22px;border-radius:var(--r-md);background:var(--brand-soft);border:1px solid #CFE0FF;
}
.subscribe .field{display:flex;flex-direction:column;gap:8px;}
.subscribe label{font-size:14px;font-weight:600;color:var(--brand-dark);}
.subscribe input{
  height:44px;border-radius:10px;border:1px solid var(--border);background:#fff;
  padding:0 14px;font-size:15px;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.subscribe input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,109,255,.16);}
.subscribe input.err{border-color:var(--danger);}
.form-note{grid-column:1 / -1;font-size:13px;color:var(--muted);}
.form-msg{grid-column:1 / -1;font-size:14px;font-weight:600;display:none;}
.form-msg.show{display:block;}
.form-msg.ok{color:var(--success);}
.form-msg.bad{color:var(--danger);}

/* FAQ */
.faq{border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;background:#fff;}
.faq details{border-bottom:1px solid var(--border);}
.faq details:last-child{border-bottom:0;}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;transition:background-color .18s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{background:var(--brand-soft);}
.faq summary .chev{
  width:24px;height:24px;flex:0 0 auto;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:13px;transition:transform .22s ease,background-color .22s ease;
}
.faq details[open] summary{color:var(--brand-dark);}
.faq details[open] summary .chev{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq .ans{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.8;}

/* 注意事项列表 */
.notice-list li{
  display:flex;gap:12px;padding:12px 14px;border-radius:var(--r-md);font-size:14px;color:var(--muted);line-height:1.75;
  transition:background-color .18s ease;
}
.notice-list li:hover{background:var(--brand-soft);}
.notice-list li b{color:var(--text);font-weight:600;}
.notice-list .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:8px;flex:0 0 auto;}

/* CTA */
.cta-banner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:28px 30px;border-radius:var(--r-lg);background:var(--brand-soft);border:1px solid #CFE0FF;
}
.cta-banner h2{font-size:22px;margin-bottom:8px;}
.cta-banner p{font-size:14px;color:var(--muted);line-height:1.75;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.site-footer{background:#0C172A;color:#C6CFDE;padding:56px 0 24px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:32px;}
.footer-brand{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.footer-brand b{color:#fff;font-size:17px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#98A5BA;max-width:340px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#98A5BA;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8794A8;
}
.footer-bottom a{color:#B9C6DA;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 20px;}
}
@media (max-width:1100px){
  .hero h1{font-size:34px;}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;}
  .anchor-nav{position:sticky;top:112px;display:flex;gap:8px;overflow-x:auto;padding:10px;scrollbar-width:none;}
  .anchor-nav::-webkit-scrollbar{display:none;}
  .anchor-nav h2,.anchor-nav .tip{display:none;}
  .anchor-nav a{padding:8px 14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-pill);white-space:nowrap;font-size:13px;}
  .anchor-nav a .idx{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-card{max-width:560px;}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .search-box{order:3;width:100%;margin-left:0;}
  .brand-bar{flex-wrap:wrap;gap:14px;padding:12px 20px;}
  .brand-actions{margin-left:auto;}
  .menu-toggle{display:flex;}
  .nav-open .nav-drawer{display:block;}
  .nav-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-open .menu-toggle span:nth-child(2){opacity:0;}
  .nav-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .channel-hint{display:none;}
}
@media (max-width:767px){
  .hero{padding:28px 0 44px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-facts{gap:20px;}
  .hero-facts div b{font-size:20px;}
  main{padding:40px 0 56px;}
  .panel{padding:22px 18px;border-radius:var(--r-md);}
  .panel h2{font-size:22px;}
  .matrix,.steps,.replay-grid{grid-template-columns:1fr;}
  .rank-row{grid-template-columns:38px minmax(0,1fr);row-gap:4px;}
  .rank-row span.hide-sm{display:none;}
  .subscribe{grid-template-columns:1fr;}
  .subscribe .btn{width:100%;}
  .cta-banner{padding:22px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand-actions .badge-live{display:none;}
  .logo-text em{display:none;}
  .hero-actions .btn{flex:1 1 100%;}
  .timeline{padding-left:22px;}
}