/* roulang page: index */
:root{
  --primary:#1D6FE8;
  --primary-dark:#1558C0;
  --primary-light:#E8F0FE;
  --accent:#FF7A2F;
  --accent-dark:#E5641C;
  --success:#12B886;
  --danger:#E5484D;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --band:#EEF3FB;
  --dark:#101826;
  --text:#111827;
  --text-body:#374151;
  --text-muted:#6B7280;
  --text-faint:#9CA3AF;
  --border:#E5E9F0;
  --border-strong:#D3DAE6;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(17,24,39,.04),0 6px 18px rgba(29,111,232,.06);
  --shadow-hover:0 8px 28px rgba(29,111,232,.14);
  --shadow-tab:0 -2px 12px rgba(17,24,39,.06);
  --container:1200px;
  --gap:24px;
  --section-y:80px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary-dark);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(17,24,39,.07);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.logo-mark{display:inline-flex;width:36px;height:36px;flex-shrink:0;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.logo-text span{font-size:11px;color:var(--text-faint);letter-spacing:.6px;}
.logo:hover .logo-text strong{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-list a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-body);white-space:nowrap;
}
.nav-list a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;transition:transform .22s ease;
}
.nav-list a:hover{color:var(--primary);background:var(--primary-light);}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.is-active{color:var(--primary);font-weight:600;}
.nav-list a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:10px;border:1px solid var(--border-strong);background:#fff;color:var(--text-body);
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-light);}
.icon-btn:active{transform:translateY(1px);}

/* 搜索面板 */
.search-panel{
  display:none;border-top:1px solid var(--border);background:#fff;
  padding:16px 0;box-shadow:0 12px 24px rgba(17,24,39,.06);
}
.search-panel.is-open{display:block;}
.search-inner{display:flex;gap:12px;align-items:center;}
.search-inner input{
  flex:1;height:46px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid var(--border-strong);background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-inner input::placeholder{color:var(--text-faint);}
.search-inner input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(29,111,232,.12);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(29,111,232,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(29,111,232,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(29,111,232,.2);}
.btn-outline{background:#fff;border-color:var(--border-strong);color:var(--text);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);box-shadow:0 8px 20px rgba(29,111,232,.12);}
.btn-outline:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.24);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.3);}
.btn-accent:active{transform:translateY(0);}
.btn-text{padding:0;height:auto;color:var(--primary);font-weight:600;background:none;}
.btn-text:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;pointer-events:none;}

/* ============ 通用区块 ============ */
.section{padding:var(--section-y) 0;}
.section-alt{background:var(--band);}
.section-white{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{
  position:relative;padding-left:16px;font-size:29px;line-height:1.35;font-weight:700;color:var(--text);
}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--primary);
}
.section-desc{margin-top:10px;font-size:15px;color:var(--text-muted);padding-left:16px;max-width:720px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);white-space:nowrap;}
.link-more svg{transition:transform .2s ease;}
.link-more:hover svg{transform:translateX(3px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--radius-pill);
  background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:600;letter-spacing:.3px;
}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;line-height:1;
}
.badge-cat{background:var(--primary-light);color:var(--primary-dark);}
.badge-live{background:var(--danger);color:#fff;gap:6px;}
.badge-live .dot{width:7px;height:7px;border-radius:50%;background:#fff;animation:breathe 1.4s ease-in-out infinite;}
.badge-soon{background:#FFF1E7;color:var(--accent-dark);}
.badge-ok{background:#E6F8F2;color:#0B8F6A;}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.42;transform:scale(.8);}}

/* ============ Hero ============ */
.hero{background:#fff;padding:64px 0 0;}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;color:var(--text);margin-top:20px;letter-spacing:.2px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--text-body);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-note{margin-top:16px;font-size:13px;color:var(--text-faint);}
.hero-card{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  box-shadow:0 12px 36px rgba(17,24,39,.14);background:var(--primary-light);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);}
.hero-card .hero-badge{position:absolute;top:16px;left:16px;}
.hero-card .hero-time{
  position:absolute;left:16px;right:16px;bottom:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-radius:12px;background:rgba(16,24,38,.82);color:#fff;
  font-size:14px;
}
.hero-card .hero-time strong{font-size:15px;font-weight:600;}
.hero-card .hero-time span{color:#D3DAE6;}

.hero-stats{
  margin-top:56px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:#fff;
}
.hero-stats ul{display:grid;grid-template-columns:repeat(4,1fr);}
.hero-stats li{padding:24px 8px;text-align:center;border-left:1px solid var(--border);}
.hero-stats li:first-child{border-left:0;}
.hero-stats .stat-num{display:block;font-size:28px;font-weight:700;color:var(--primary);line-height:1.2;}
.hero-stats .stat-label{display:block;margin-top:6px;font-size:13px;color:var(--text-muted);}

/* ============ 直播预告 ============ */
.live-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:24px;align-items:start;}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.feature-cover{position:relative;overflow:hidden;background:var(--band);}
.feature-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.feature-card:hover .feature-cover img{transform:scale(1.03);}
.feature-cover .cover-top{position:absolute;top:14px;left:14px;}
.feature-cover .cover-bottom{
  position:absolute;right:14px;bottom:14px;padding:6px 12px;border-radius:var(--radius-pill);
  background:rgba(16,24,38,.82);color:#fff;font-size:13px;font-weight:500;
}
.feature-body{padding:24px;}
.feature-body h3{font-size:20px;font-weight:600;color:var(--text);line-height:1.5;}
.feature-body .lead{margin-top:10px;font-size:15px;color:var(--text-muted);}
.countdown{display:flex;gap:12px;margin:20px 0 4px;}
.cd-cell{
  flex:1;min-width:64px;text-align:center;padding:10px 4px;border-radius:12px;
  background:var(--primary-light);border:1px solid #D6E4FB;
}
.cd-num{display:block;font-size:24px;font-weight:700;color:var(--accent-dark);line-height:1.2;font-variant-numeric:tabular-nums;}
.cd-label{display:block;margin-top:4px;font-size:12px;color:var(--text-muted);}
.points{margin-top:20px;display:grid;gap:10px;}
.points li{position:relative;padding-left:20px;font-size:15px;line-height:1.7;color:var(--text-body);}
.points li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.85;
}
.feature-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:24px;padding-top:20px;border-top:1px solid var(--border);}
.live-side{display:grid;gap:16px;}
.subcard{
  display:grid;grid-template-columns:132px 1fr;gap:16px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:14px;transition:transform .25s ease,box-shadow .25s ease;
}
.subcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.subcard .subcover{overflow:hidden;border-radius:var(--radius-img);background:var(--band);}
.subcard .subcover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.subcard:hover .subcover img{transform:scale(1.03);}
.subcard h3{font-size:15px;font-weight:600;color:var(--text);line-height:1.5;}
.subcard .sub-meta{margin-top:8px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.countdown-inline{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--radius-pill);
  background:#FFF1E7;color:var(--accent-dark);font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
}
.subcard .sub-link{display:inline-block;margin-top:10px;font-size:14px;font-weight:600;}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step .step-num{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;
  background:var(--primary-light);color:var(--primary);font-size:17px;font-weight:700;
}
.step h3{margin-top:16px;font-size:17px;font-weight:600;color:var(--text);}
.step p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-muted);}
.steps-line{margin-top:12px;font-size:14px;color:var(--text-muted);}

/* ============ 最新信息（CMS 列表） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;color:inherit;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong);color:inherit;}
.news-cover{position:relative;overflow:hidden;background:var(--band);}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-cover .badge{position:absolute;top:12px;left:12px;}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;font-weight:600;color:var(--text);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.news-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-faint);}
.news-meta .read{color:var(--primary);font-weight:600;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:var(--card);
  border:1px dashed var(--border-strong);border-radius:var(--radius-card);
}
.empty-state .empty-icon{
  display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;
  background:var(--primary-light);color:var(--primary);margin-bottom:16px;
}
.empty-state p{font-size:15px;color:var(--text-muted);}
.empty-state .btn{margin-top:20px;}

/* ============ 分类快捷入口 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.cat-card{
  display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-card);color:inherit;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong);color:inherit;}
.cat-card:nth-child(1){grid-column:span 7;}
.cat-card:nth-child(2){grid-column:span 5;}
.cat-card:nth-child(3){grid-column:span 5;}
.cat-card:nth-child(4){grid-column:span 7;}
.cat-thumb{overflow:hidden;border-radius:var(--radius-img);background:var(--band);}
.cat-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.cat-card:hover .cat-thumb img{transform:scale(1.03);}
.cat-card h3{font-size:17px;font-weight:600;color:var(--text);}
.cat-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-muted);}
.cat-card .cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--radius-pill);
  background:#F1F4F9;color:var(--text-muted);font-size:12px;font-weight:500;
}

/* ============ 使用反馈 ============ */
.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feedback{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
}
.feedback .quote{font-size:15px;line-height:1.85;color:var(--text-body);}
.feedback .who{margin-top:18px;padding-top:16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:12px;}
.avatar{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-pill);
  background:var(--primary-light);color:var(--primary-dark);font-size:14px;font-weight:700;flex-shrink:0;
}
.feedback .who strong{display:block;font-size:14px;color:var(--text);font-weight:600;}
.feedback .who span{display:block;font-size:12px;color:var(--text-faint);}

/* ============ 订阅表单 ============ */
.subscribe{background:#fff;}
.subscribe-box{
  display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;
  background:var(--band);border:1px solid #DCE7F8;border-radius:16px;padding:40px;
}
.subscribe-box h2{font-size:26px;font-weight:700;color:var(--text);line-height:1.4;}
.subscribe-box .sub-desc{margin-top:12px;font-size:15px;color:var(--text-muted);}
.subscribe-form{display:flex;gap:12px;align-items:flex-start;}
.subscribe-form .field{flex:1;}
.subscribe-form input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid var(--border-strong);background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe-form input::placeholder{color:var(--text-faint);}
.subscribe-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(29,111,232,.12);}
.subscribe-form.is-error input{border-color:var(--danger);box-shadow:0 0 0 4px rgba(229,72,77,.1);}
.subscribe-form.is-success input{border-color:var(--success);box-shadow:0 0 0 4px rgba(18,184,134,.12);}
.form-msg{margin-top:8px;font-size:13px;line-height:1.6;min-height:18px;}
.form-msg.is-error{color:var(--danger);}
.form-msg.is-success{color:#0B8F6A;}
.subscribe-tip{margin-top:14px;font-size:13px;color:var(--text-faint);}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--border-strong);}
.faq-item.is-open{border-color:#C9DCFA;box-shadow:0 6px 20px rgba(29,111,232,.09);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;
  border-radius:50%;background:var(--primary-light);color:var(--primary);transition:transform .25s ease,background-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-muted);}

/* ============ CTA 条 ============ */
.cta-band{background:var(--primary);border-radius:16px;padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.86);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}
.cta-actions .btn-white{background:#fff;color:var(--primary-dark);}
.cta-actions .btn-white:hover{background:#F2F6FF;color:var(--primary-dark);transform:translateY(-1px);}
.cta-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#9CA3AF;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{font-size:16px;color:#fff;font-weight:700;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.site-footer li{margin-bottom:10px;}
.site-footer a{color:#9CA3AF;font-size:14px;}
.site-footer a:hover{color:#fff;}
.site-footer p{font-size:14px;line-height:1.85;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#6B7280;
}
.footer-bottom a{font-size:13px;}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  background:#fff;border-top:1px solid var(--border);box-shadow:var(--shadow-tab);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab a{
  position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:11px;color:var(--text-muted);
}
.mobile-tab a svg{width:22px;height:22px;}
.mobile-tab a.is-active{color:var(--primary);font-weight:600;}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--primary);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:36px;}
  .hero-inner{gap:40px;}
}
@media (max-width:1023px){
  :root{--section-y:60px;}
  .nav-list,.header-actions{display:none;}
  .mobile-tab{display:flex;}
  body{padding-bottom:72px;}
  .nav-wrap{height:64px;gap:12px;}
  .logo-text span{display:none;}
  .hero{padding-top:40px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats ul{grid-template-columns:repeat(2,1fr);}
  .hero-stats li:nth-child(3){border-left:0;}
  .hero-stats li:nth-child(n+3){border-top:1px solid var(--border);}
  .live-layout{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .feedback-grid{grid-template-columns:1fr;}
  .cat-card:nth-child(n){grid-column:span 12;}
  .subscribe-box{grid-template-columns:1fr;gap:28px;padding:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .search-inner{flex-direction:column;align-items:stretch;}
  .search-inner .btn{width:100%;}
}
@media (max-width:767px){
  :root{--section-y:52px;}
  .container{padding:0 16px;}
  .section-title{font-size:23px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .hero h1{font-size:26px;}
  .hero-cta .btn{flex:1 1 auto;}
  .live-layout{gap:20px;}
  .subcard{grid-template-columns:1fr;}
  .subcard .subcover img{aspect-ratio:16/9;}
  .feature-body{padding:20px;}
  .feature-body h3{font-size:18px;}
  .cd-cell{min-width:0;padding:8px 2px;}
  .cd-num{font-size:20px;}
  .news-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cat-card{grid-template-columns:1fr;}
  .cat-card .cat-thumb img{aspect-ratio:16/9;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .hero h1{font-size:24px;line-height:1.32;}
  .hero-stats .stat-num{font-size:23px;}
  .btn{padding:0 18px;font-size:14px;}
  .cd-num{font-size:18px;}
  .cd-label{font-size:11px;}
}

/* roulang page: article */
:root{
  --primary:#1D6FE8;
  --primary-dark:#1558C0;
  --primary-light:#E8F0FE;
  --accent:#FF7A2F;
  --success:#12B886;
  --danger:#E5484D;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --band:#EEF3FB;
  --dark:#101826;
  --text:#111827;
  --text-2:#374151;
  --text-3:#6B7280;
  --text-4:#9CA3AF;
  --line:#E5E9F0;
  --line-2:#D3DAE6;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(17,24,39,.04), 0 6px 18px rgba(29,111,232,.06);
  --shadow-2:0 8px 28px rgba(29,111,232,.14);
  --shadow-3:0 -2px 12px rgba(17,24,39,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text-2);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-dark)}
button,input{font:inherit}
h1,h2,h3,h4{color:var(--text);margin:0;line-height:1.35;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:26px;padding-left:14px;position:relative}
.section-head h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--primary)}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.section-head .head-link{font-size:14px;font-weight:600}
.section-head .head-link::after{content:" →"}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(17,24,39,.08)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.logo:hover{color:var(--text)}
.logo-mark{display:inline-flex}
.logo-text strong{display:block;font-size:17px;font-weight:700;letter-spacing:.2px;line-height:1.3}
.logo-text span{display:block;font-size:12px;color:var(--text-3);margin-top:2px;letter-spacing:.3px}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-list a{position:relative;display:inline-block;padding:10px 13px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text-2)}
.nav-list a:hover{color:var(--primary);background:var(--primary-light)}
.nav-list a.is-active{color:var(--primary);font-weight:600}
.nav-list a.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text-3);cursor:pointer;transition:all .2s ease}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-light)}
.icon-btn[aria-expanded="true"]{color:var(--primary);border-color:var(--primary);background:var(--primary-light)}
.search-panel{display:none;border-top:1px solid var(--line);background:var(--band)}
.search-panel.is-open{display:block}
.search-inner{display:flex;gap:12px;padding:16px 0}
.search-inner input{flex:1;min-width:0;border:1px solid var(--line-2);border-radius:var(--radius-btn);padding:12px 16px;background:#fff;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease}
.search-inner input::placeholder{color:var(--text-4)}
.search-inner input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,111,232,.16)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:600;padding:11px 20px;cursor:pointer;white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(29,111,232,.24)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(29,111,232,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(29,111,232,.22)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--line-2)}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.24)}
.btn-accent:hover{background:#ef6a1c;color:#fff;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:14px 26px;font-size:16px}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent}
.text-link:hover{border-bottom-color:currentColor}

/* ===== 徽标 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:13px;font-weight:600;padding:4px 12px;line-height:1.6}
.badge-cat{background:var(--primary-light);color:var(--primary-dark)}
.badge-live{background:var(--danger);color:#fff}
.badge-live::before{content:"";width:7px;height:7px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
.badge-soft{background:var(--band);color:var(--text-2)}
@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.78)}100%{opacity:1;transform:scale(1)}}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag{display:inline-flex;align-items:center;border:1px solid var(--line-2);border-radius:999px;padding:6px 14px;font-size:14px;color:var(--text-2);background:#fff}
.tag:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-light)}
.tag-label{font-size:14px;font-weight:600;color:var(--text)}
.chip{display:inline-flex;align-items:center;border-radius:999px;padding:7px 16px;font-size:14px;font-weight:600;background:#fff;border:1px solid var(--line-2);color:var(--text-3);cursor:pointer;transition:all .2s ease}
.chip:hover{color:var(--primary);border-color:var(--primary)}
.chip.is-on{background:var(--primary);border-color:var(--primary);color:#fff}

/* ===== 文章头部与面包屑 ===== */
.breadcrumb{padding:18px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-4)}
.breadcrumb .current{color:var(--text-2);font-weight:500}
.article-hero{background:#fff;border-bottom:1px solid var(--line);padding:24px 0 40px;margin-bottom:40px}
.article-hero .article-head{max-width:860px}
.article-hero h1{font-size:38px;line-height:1.28;letter-spacing:.2px;margin:16px 0 18px;overflow-wrap:anywhere}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--text-3)}
.article-meta .dot{color:var(--text-4)}
.article-meta .who{display:inline-flex;align-items:center;gap:8px}
.avatar{width:28px;height:28px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}

/* ===== 布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;padding-bottom:24px}
.article-main{min-width:0}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:32px}

/* ===== 正文排版 ===== */
.article-body{max-width:820px;font-size:17px;line-height:1.85;color:var(--text-2)}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:25px;line-height:1.45;margin:2em 0 .8em;padding-left:14px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.34em;bottom:.34em;width:4px;border-radius:2px;background:var(--primary)}
.article-body h3{font-size:19px;font-weight:600;margin:1.7em 0 .7em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .6em}
.article-body p{margin:1.1em 0}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(29,111,232,.42)}
.article-body a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark)}
.article-body ul{list-style:disc;margin:1.1em 0;padding-left:1.5em}
.article-body ol{list-style:decimal;margin:1.1em 0;padding-left:1.5em}
.article-body li{margin:.5em 0;line-height:1.85}
.article-body blockquote{margin:1.5em 0;padding:16px 20px;border-left:3px solid var(--primary);background:var(--primary-light);border-radius:0 12px 12px 0;color:var(--text-2)}
.article-body blockquote p{margin:.4em 0}
.article-body img{border-radius:var(--radius-img);margin:1.5em auto;box-shadow:var(--shadow-1)}
.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 table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;background:#fff;border-radius:10px;overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--band);color:var(--text);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:var(--band);border-radius:6px;padding:2px 6px;font-size:15px;color:var(--primary-dark)}

/* ===== 正文后置 ===== */
.article-foot{margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:30px}
.post-nav-item{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-2);color:var(--primary-dark)}
.post-nav-item .post-nav-label{display:block;font-size:13px;color:var(--text-3);margin-bottom:6px}
.post-nav-item strong{display:block;font-size:16px;color:var(--text);line-height:1.6}
.post-nav-item.is-next{text-align:right}
.back-links{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-weight:600}

/* ===== 侧栏 ===== */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:98px;align-self:start}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:20px}
.side-card h3{font-size:17px;margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--text-3);margin-bottom:12px}
.hot-list li{padding:13px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list a{display:flex;gap:12px;align-items:flex-start;color:var(--text-2)}
.hot-list a:hover{color:var(--primary)}
.hot-num{flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--band);color:var(--primary-dark);font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.hot-list li:nth-child(-n+3) .hot-num{background:var(--primary);color:#fff}
.hot-title{font-size:15px;line-height:1.6}
.side-subscribe{position:relative;overflow:hidden;border-radius:var(--radius-card);padding:24px;color:#fff;background-image:linear-gradient(180deg,rgba(16,24,38,.78),rgba(16,24,38,.86)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.side-subscribe h3{color:#fff;font-size:18px;margin-bottom:8px}
.side-subscribe p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.84)}
.side-subscribe .btn{width:100%;margin-top:16px}

/* ===== 卡片 / 相关推荐 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-2)}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--band);border-radius:0}
.post-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .25s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:14px;color:var(--text-3);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--text-4);font-variant-numeric:tabular-nums}
.post-card a.card-hit{position:absolute;inset:0;z-index:2;border-radius:0}
.post-cover .badge{position:absolute;left:14px;top:14px;z-index:3}

/* ===== CTA ===== */
.cta-section{padding:24px 0 72px}
.cta-bar{background:var(--primary);border-radius:16px;padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;box-shadow:0 14px 34px rgba(29,111,232,.24)}
.cta-bar h2{color:#fff;font-size:24px;margin-bottom:10px}
.cta-bar p{color:rgba(255,255,255,.88);font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.cta-bar .btn-primary{background:#fff;color:var(--primary);box-shadow:0 8px 18px rgba(16,24,38,.16)}
.cta-bar .btn-primary:hover{background:#F2F6FF;color:var(--primary-dark)}
.cta-bar .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.cta-bar .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}

/* ===== 空态 ===== */
.empty-state{max-width:820px;background:#fff;border:1px dashed var(--line-2);border-radius:var(--radius-card);padding:48px 24px;text-align:center}
.empty-state .empty-ico{width:56px;height:56px;border-radius:16px;background:var(--primary-light);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--text-3);font-size:15px;margin-bottom:18px}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.74);padding:60px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul a{color:rgba(255,255,255,.74);font-size:14px}
.site-footer ul a:hover{color:#fff}
.site-footer a{color:rgba(255,255,255,.74)}
.site-footer a:hover{color:#fff}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ===== 移动底部 Tab ===== */
.mobile-tabbar{display:none}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .article-hero h1{font-size:34px}
}
@media (max-width:1023px){
  .nav-list{display:none}
  .header-actions .btn-outline{display:none}
  .nav-wrap{min-height:64px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .sidebar{position:static;order:2}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:28px 24px}
  body{padding-bottom:78px}
  .mobile-tabbar{
    display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:90;
    background:#fff;box-shadow:var(--shadow-3);border-top:1px solid var(--line);
    padding:8px 4px calc(8px + env(safe-area-inset-bottom,0px));
  }
  .mobile-tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--text-3);padding:4px 2px;border-radius:8px;position:relative}
  .mobile-tabbar a svg{width:22px;height:22px}
  .mobile-tabbar a.is-active{color:var(--primary)}
  .mobile-tabbar a.is-active::before{content:"";position:absolute;top:-8px;left:50%;transform:translateX(-50%);width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--primary)}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .article-hero{padding:18px 0 30px;margin-bottom:28px}
  .article-hero h1{font-size:26px;line-height:1.35}
  .article-card{padding:20px 16px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .post-nav{grid-template-columns:minmax(0,1fr)}
  .post-nav-item.is-next{text-align:left}
  .section-head h2{font-size:22px}
  .cta-section{padding-bottom:44px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
  .search-inner{flex-direction:column}
  .search-inner .btn{width:100%}
}
@media (max-width:479px){
  .logo-text span{display:none}
  .header-actions .btn{display:none}
  .article-hero h1{font-size:23px}
}

/* roulang page: category1 */
:root{
  --primary:#1D6FE8;
  --primary-dark:#1558C0;
  --primary-light:#E8F0FE;
  --accent:#FF7A2F;
  --success:#12B886;
  --danger:#E5484D;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --band:#EEF3FB;
  --ink:#111827;
  --body:#374151;
  --muted:#6B7280;
  --faint:#9CA3AF;
  --line:#E5E9F0;
  --line-2:#D3DAE6;
  --footer-bg:#101826;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(17,24,39,.04), 0 6px 18px rgba(29,111,232,.06);
  --shadow-hover:0 8px 28px rgba(29,111,232,.14);
  --shadow-tab:0 -2px 12px rgba(17,24,39,.06);
  --gap:24px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,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:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:29px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary-dark);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  text-decoration:none;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(17,24,39,.04),0 6px 18px rgba(29,111,232,.18);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(29,111,232,.26);}
.btn-primary:active{transform:translateY(0);background:var(--primary-dark);box-shadow:0 2px 8px rgba(29,111,232,.2);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--line-2);}
.btn-outline:hover{color:var(--primary-dark);border-color:var(--primary);background:var(--primary-light);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.24);}
.btn-accent:hover{background:#ef6a1d;color:#fff;transform:translateY(-1px);}
.btn-text{background:transparent;border-color:transparent;color:var(--primary);padding:0 4px;min-height:auto;}
.btn-text:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--body);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary-light);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(17,24,39,.07);}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex-shrink:0;}
.logo-mark{display:inline-flex;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}
.logo-text span{font-size:12px;color:var(--muted);font-weight:500;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-list a{
  position:relative;display:inline-block;padding:10px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--body);
}
.nav-list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;transition:transform .2s ease;
}
.nav-list a:hover{color:var(--primary);background:var(--primary-light);}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.is-active{color:var(--primary);font-weight:600;}
.nav-list a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.search-panel{display:none;border-top:1px solid var(--line);background:var(--band);}
.search-panel.is-open{display:block;}
.search-inner{display:flex;gap:12px;padding:16px 0;}
.search-inner input{
  flex:1;min-height:46px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line-2);background:#fff;color:var(--ink);
}
.search-inner input::placeholder{color:var(--faint);}
.search-inner input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,111,232,.15);}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-band{background:var(--band);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{position:relative;padding-left:14px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.24em;width:4px;border-radius:4px;background:var(--primary);
}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:600;
}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600;}
.badge-cat{background:var(--primary-light);color:var(--primary-dark);}
.badge-live{background:var(--danger);color:#fff;}
.badge-ok{background:rgba(18,184,134,.12);color:#0e9068;}
.dot-live{width:7px;height:7px;border-radius:999px;background:#fff;animation:pulse 1.4s infinite ease-in-out;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

/* ============ 分类 Hero ============ */
.cat-hero{padding:56px 0 64px;background:#fff;}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.cat-hero h1{margin:18px 0 16px;font-size:40px;}
.cat-hero .lead{font-size:17px;line-height:1.85;color:var(--body);max-width:600px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cat-hero-note{margin-top:16px;font-size:13.5px;color:var(--muted);}
.cat-hero-visual{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--line);}
.cat-hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.cat-hero-visual .visual-tag{
  position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;
  background:rgba(16,24,38,.78);color:#fff;font-size:13px;font-weight:600;
  padding:8px 14px;border-radius:999px;
}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin-top:44px;padding:20px 24px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--band);
}
.stat-strip .stat{text-align:left;}
.stat-strip .stat strong{
  display:block;font-size:26px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-strip .stat span{font-size:13px;color:var(--muted);}

/* ============ 双列图文网格（带序号角标） ============ */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.entry-card{
  position:relative;display:grid;grid-template-columns:190px 1fr;gap:20px;align-items:stretch;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DCE7FA;}
.entry-card .thumb{border-radius:var(--r-img);overflow:hidden;background:var(--primary-light);}
.entry-card .thumb img{width:100%;height:100%;min-height:130px;object-fit:cover;transition:transform .3s ease;}
.entry-card:hover .thumb img{transform:scale(1.03);}
.entry-card .num{
  position:absolute;top:-12px;left:20px;width:34px;height:34px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;box-shadow:0 6px 16px rgba(29,111,232,.28);
}
.entry-card h3{margin-bottom:8px;}
.entry-card p{font-size:14.5px;line-height:1.8;color:var(--body);}
.entry-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--band);color:var(--muted);font-size:12.5px;font-weight:500;}
.entry-card .link-more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:14px;font-weight:600;}
.entry-card .link-more:hover{text-decoration:underline;text-underline-offset:4px;}

/* ============ 准备清单 / 场景 ============ */
.check-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-card);
}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:15px;line-height:1.75;color:var(--body);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li:first-child{padding-top:0;}
.check-list .ck{
  flex:0 0 22px;width:22px;height:22px;border-radius:999px;margin-top:4px;
  display:flex;align-items:center;justify-content:center;background:rgba(18,184,134,.14);color:var(--success);
  font-size:12px;font-weight:700;
}
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.scene-card .scene-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--body);line-height:1.8;}

/* ============ 排查顺序列表 ============ */
.order-list{counter-reset:step;display:grid;gap:16px;}
.order-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-card);
}
.order-item .idx{
  width:44px;height:44px;border-radius:12px;background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.order-item h3{font-size:17px;margin-bottom:6px;}
.order-item p{font-size:14.5px;line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-card);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#DCE7FA;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .chev{flex:0 0 20px;transition:transform .25s ease;color:var(--primary);}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a .inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--body);}

/* ============ CTA ============ */
.cta-band{
  background:var(--primary);border-radius:16px;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;box-shadow:0 14px 36px rgba(29,111,232,.22);
}
.cta-band h2{color:#fff;font-size:26px;padding:0;}
.cta-band h2::before{display:none;}
.cta-band p{color:rgba(255,255,255,.88);margin-top:10px;font-size:15px;max-width:640px;}
.cta-band .btn-white{background:#fff;color:var(--primary-dark);border-color:#fff;}
.cta-band .btn-white:hover{background:#F2F7FF;color:var(--primary-dark);transform:translateY(-1px);}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}

/* ============ 返回首页 ============ */
.back-home{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 26px;box-shadow:var(--shadow-card);}
.back-home p{font-size:14.5px;color:var(--muted);}
.back-home .links{display:flex;flex-wrap:wrap;gap:20px;font-size:14.5px;font-weight:600;}

/* ============ 订阅表单 ============ */
.subscribe-panel{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 240px;min-height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line-2);background:#fff;color:var(--ink);
}
.sub-form input::placeholder{color:var(--faint);}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,111,232,.15);}
.sub-form input.has-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.12);}
.sub-hint{margin-top:10px;font-size:13px;color:var(--muted);}
.sub-error{margin-top:8px;font-size:13px;color:var(--danger);display:none;}
.sub-error.is-show{display:block;}
.sub-success{margin-top:8px;font-size:13px;color:var(--success);display:none;}
.sub-success.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:#B9C2D0;margin-top:80px;padding:60px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:#B9C2D0;}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{color:#B9C2D0;font-size:14px;}
.site-footer a:hover{color:#fff;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8D97A8;
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{display:none;}
@media (max-width:1023px){
  .mobile-tab{
    display:grid;grid-template-columns:repeat(5,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:#fff;box-shadow:var(--shadow-tab);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    min-height:58px;padding:6px 2px;font-size:10.5px;font-weight:500;color:var(--muted);
    position:relative;text-align:center;line-height:1.25;
  }
  .mobile-tab a::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:3px;border-radius:0 0 3px 3px;background:transparent;
  }
  .mobile-tab a.is-active{color:var(--primary);font-weight:600;}
  .mobile-tab a.is-active::before{background:var(--primary);}
  body{padding-bottom:70px;}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .entry-card{grid-template-columns:160px 1fr;}
}
@media (max-width:1023px){
  h1{font-size:32px;}
  h2{font-size:25px;}
  .nav-list,.header-actions{display:none;}
  .nav-wrap{min-height:64px;justify-content:space-between;}
  .cat-hero{padding:40px 0 48px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero h1{font-size:30px;}
  .entry-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .subscribe-panel{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  .cat-hero h1{font-size:27px;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:18px;}
  .stat-strip .stat strong{font-size:22px;}
  .scene-grid{grid-template-columns:1fr;}
  .entry-card{grid-template-columns:1fr;padding:18px;}
  .entry-card .thumb img{min-height:160px;aspect-ratio:16/9;}
  .entry-card .num{top:-12px;left:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .sub-form{flex-direction:column;}
  .sub-form input,.sub-form .btn{width:100%;}
  .cta-band{padding:26px;border-radius:14px;}
  .order-item{grid-template-columns:44px 1fr;gap:14px;padding:18px;}
  .order-item .idx{width:38px;height:38px;font-size:15px;}
  .check-panel{padding:20px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .logo-text strong{font-size:15px;}
  .logo-text span{display:none;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .cta-band h2{font-size:21px;}
}

/* roulang page: category3 */
:root{
  --primary:#1D6FE8;
  --primary-dark:#1558C0;
  --primary-light:#E8F0FE;
  --accent:#FF7A2F;
  --accent-soft:#FFF1E7;
  --success:#12B886;
  --danger:#E5484D;
  --bg:#F5F7FA;
  --bg-alt:#EEF3FB;
  --card:#FFFFFF;
  --footer:#101826;
  --ink:#111827;
  --text:#374151;
  --muted:#6B7280;
  --faint:#9CA3AF;
  --border:#E5E9F0;
  --border-strong:#D3DAE6;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(17,24,39,.04),0 6px 18px rgba(29,111,232,.06);
  --shadow-2:0 8px 28px rgba(29,111,232,.14);
  --shadow-3:0 -2px 12px rgba(17,24,39,.06);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:0;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:29px;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:17px;}
p{margin:0;}
button{font:inherit;color:inherit;cursor:pointer;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(29,111,232,.24);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:0 8px 22px rgba(29,111,232,.3);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--border-strong);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dark);box-shadow:0 6px 18px rgba(29,111,232,.12);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,122,47,.28);}
.btn-accent:hover{background:#E96A22;color:#fff;box-shadow:0 8px 22px rgba(255,122,47,.32);}
.btn-light{background:#fff;color:var(--primary-dark);}
.btn-light:hover{background:#F2F7FF;color:var(--primary-dark);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;}
.link-arrow:hover{border-bottom-color:currentColor;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:#fff;border-radius:999px;color:var(--muted);
  transition:color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px);}

/* ---------- 徽标 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;background:var(--primary-light);color:var(--primary-dark);
}
.badge-live{background:#FDECEC;color:var(--danger);}
.badge-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--danger);animation:pulse 1.6s ease-in-out infinite;}
.badge-soon{background:var(--accent-soft);color:#C55412;}
.badge-replay{background:#E7F7F1;color:#0B7A5B;}
.badge-muted{background:#F1F3F7;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:500;
  color:var(--muted);background:#F3F5F9;border:1px solid var(--border);
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(17,24,39,.08);}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:72px;}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);flex-shrink:0;}
.logo:hover{color:var(--primary-dark);}
.logo-mark{display:inline-flex;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:17px;font-weight:700;color:var(--ink);}
.logo-text span{font-size:12px;color:var(--muted);font-weight:500;letter-spacing:.3px;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-list a{
  position:relative;padding:10px 12px;font-size:15px;font-weight:500;color:var(--text);border-radius:8px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-list a:hover{color:var(--primary);background:var(--primary-light);}
.nav-list a.is-active{color:var(--primary);font-weight:600;}
.nav-list a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-panel{
  max-height:0;overflow:hidden;background:#fff;border-top:1px solid transparent;
  transition:max-height .28s ease,border-color .28s ease;
}
.search-panel.is-open{max-height:120px;border-top-color:var(--border);}
.search-inner{display:flex;gap:12px;padding:16px 0;}
.search-inner input{
  flex:1;min-width:0;padding:12px 16px;border:1px solid var(--border-strong);border-radius:var(--radius-btn);
  background:#FAFBFD;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-inner input::placeholder{color:var(--faint);}
.search-inner input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(29,111,232,.14);}

/* ---------- 通用区块 ---------- */
main{display:block;}
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);
}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;}

/* ---------- Hero ---------- */
.page-hero{background:#fff;padding:64px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-copy h1{margin:16px 0 18px;}
.hero-copy .hero-sub{font-size:17px;color:var(--text);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;
  margin-top:40px;padding:20px 0 0;border-top:1px solid var(--border);
}
.hero-stats .stat strong{display:block;font-size:24px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;}
.hero-stats .stat span{font-size:13px;color:var(--muted);}
.hero-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;}
.hero-media{position:relative;overflow:hidden;}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.hero-card:hover .hero-media img{transform:scale(1.03);}
.hero-media .badge-live{position:absolute;left:14px;top:14px;background:var(--danger);color:#fff;box-shadow:0 4px 12px rgba(229,72,77,.28);}
.hero-media .badge-live::before{background:#fff;}
.hero-media-foot{
  position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;color:#fff;font-size:13px;font-weight:500;
  background:linear-gradient(to top,rgba(16,24,38,.78),rgba(16,24,38,0));
}
.hero-points{padding:18px 20px 6px;}
.hero-points li{display:flex;gap:10px;font-size:14px;color:var(--text);padding:7px 0;}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);margin-top:9px;flex-shrink:0;}
.hero-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px 20px;}

/* ---------- 倒计时 ---------- */
.countdown{display:flex;gap:10px;}
.cd-cell{
  flex:1;min-width:0;background:var(--accent-soft);border:1px solid #FFDFC9;border-radius:10px;
  padding:8px 4px;text-align:center;
}
.cd-num{display:block;font-size:22px;font-weight:700;color:#C55412;font-variant-numeric:tabular-nums;line-height:1.3;}
.cd-label{display:block;font-size:12px;color:var(--muted);}
.countdown-inline{font-size:14px;font-weight:600;color:#C55412;font-variant-numeric:tabular-nums;}

/* ---------- 两栏主体 ---------- */
.split-grid{display:grid;grid-template-columns:320px minmax(0,1fr);gap:32px;align-items:start;}
.side-card{
  position:sticky;top:96px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:22px;
}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:18px;margin-bottom:14px;}
.side-list li{display:flex;gap:10px;padding:9px 0;font-size:14.5px;border-bottom:1px dashed var(--border);}
.side-list li:last-child{border-bottom:0;}
.side-list li .num{
  width:22px;height:22px;flex-shrink:0;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.side-note{font-size:13px;color:var(--muted);margin-top:10px;}
.side-cta{display:block;margin-top:16px;}
.side-cta .btn{width:100%;}

.entry-list{display:flex;flex-direction:column;gap:20px;}
.entry{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:18px;display:grid;grid-template-columns:236px minmax(0,1fr);gap:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--border-strong);}
.entry-media{position:relative;border-radius:var(--radius-img);overflow:hidden;background:var(--primary-light);}
.entry-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.entry-media .badge{position:absolute;left:10px;top:10px;}
.entry-body{display:flex;flex-direction:column;gap:10px;}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.entry-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border-strong);}
.entry-body h3{font-size:19px;}
.entry-body p{font-size:14.5px;color:var(--text);line-height:1.8;}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;}
.entry-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}
.entry-countdown{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}

/* ---------- 权益卡 ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.benefit{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease;
}
.benefit:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.benefit .benefit-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-light);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.benefit h3{font-size:18px;margin-bottom:10px;}
.benefit p{font-size:14.5px;color:var(--muted);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:flow;}
.flow li{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
}
.flow li::before{
  counter-increment:flow;content:counter(flow,decimal-leading-zero);
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;
  background:var(--primary);color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;
}
.flow h3{font-size:17px;margin-bottom:8px;}
.flow p{font-size:14px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
.faq-item:hover{border-color:var(--border-strong);}
.faq-item.is-open{box-shadow:var(--shadow-1);border-color:var(--primary);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  background:transparent;border:0;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--primary-dark);}
.faq-q .chev{
  width:22px;height:22px;flex-shrink:0;color:var(--primary);transition:transform .28s ease;
}
.faq-item.is-open .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text);}

/* ---------- 订阅表单 ---------- */
.subscribe-panel{
  background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-1);
  padding:32px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
}
.subscribe-panel h2{font-size:24px;position:relative;padding-left:16px;margin-bottom:10px;}
.subscribe-panel h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--primary);}
.subscribe-panel p{font-size:14.5px;color:var(--muted);max-width:520px;}
.subscribe-form{display:flex;gap:12px;align-items:flex-start;}
.subscribe-form input{
  width:280px;padding:13px 16px;border:1px solid var(--border-strong);border-radius:var(--radius-btn);
  background:#FAFBFD;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.subscribe-form input::placeholder{color:var(--faint);}
.subscribe-form input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(29,111,232,.14);}
.form-msg{font-size:13px;margin-top:8px;min-height:18px;color:var(--muted);}
.subscribe-form.is-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.12);}
.subscribe-form.is-error .form-msg{color:var(--danger);}
.subscribe-form.is-success input{border-color:var(--success);box-shadow:0 0 0 3px rgba(18,184,134,.14);}
.subscribe-form.is-success .form-msg{color:#0B7A5B;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 80px;}
.cta-inner{
  background:var(--primary);border-radius:16px;padding:40px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;box-shadow:0 14px 36px rgba(29,111,232,.24);
}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.88);font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}
.back-home{text-align:center;padding:0 0 72px;font-size:15px;}
.back-home a{font-weight:600;border-bottom:1px solid var(--primary);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:#9AA6B8;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;line-height:1.8;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer li{margin-bottom:10px;}
.site-footer a{color:#9AA6B8;font-size:14.5px;}
.site-footer a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8A96A8;
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;
  border-top:1px solid var(--border);box-shadow:var(--shadow-3);
  padding:6px 8px calc(6px + env(safe-area-inset-bottom));
  justify-content:space-around;align-items:stretch;
}
.mobile-tab a{
  flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:7px 2px;color:var(--muted);font-size:10.5px;font-weight:500;border-radius:10px;position:relative;
  transition:color .2s ease,background-color .2s ease;
}
.mobile-tab a svg{width:21px;height:21px;}
.mobile-tab a.is-active{color:var(--primary);font-weight:600;}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:-7px;left:50%;transform:translateX(-50%);width:26px;height:3px;
  border-radius:2px;background:var(--primary);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  h1{font-size:36px;}
  .hero-grid{gap:36px;}
  .entry{grid-template-columns:200px minmax(0,1fr);}
}
@media (max-width:1023px){
  .nav-list{display:none;}
  .header-actions .btn{display:none;}
  .mobile-tab{display:flex;}
  body{padding-bottom:78px;}
  .section{padding:60px 0;}
  .page-hero{padding:44px 0 40px;}
  h1{font-size:30px;}
  h2{font-size:25px;}
  .hero-grid{grid-template-columns:1fr;}
  .split-grid{grid-template-columns:1fr;}
  .side-card{position:static;}
  .benefit-grid{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr 1fr;}
  .subscribe-panel{grid-template-columns:1fr;padding:26px;}
  .subscribe-form input{width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  h1{font-size:26px;}
  h2{font-size:23px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .hero-actions .btn{width:100%;}
  .entry{grid-template-columns:1fr;padding:16px;}
  .benefit-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .subscribe-form{flex-direction:column;align-items:stretch;}
  .subscribe-form .btn{width:100%;}
  .countdown{gap:8px;}
  .cd-num{font-size:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  h1{font-size:24px;}
  .logo-text strong{font-size:15px;}
  .logo-text span{display:none;}
  .cd-num{font-size:16px;}
  .cd-label{font-size:11px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --primary:#1D6FE8;
  --primary-dark:#1558C0;
  --primary-light:#E8F0FE;
  --accent:#FF7A2F;
  --accent-dark:#F0691D;
  --success:#12B886;
  --success-dark:#0E9C72;
  --danger:#E5484D;
  --bg:#F5F7FA;
  --band:#EEF3FB;
  --card:#FFFFFF;
  --footer-bg:#101826;
  --text:#111827;
  --text-body:#374151;
  --text-muted:#6B7280;
  --text-faint:#9CA3AF;
  --border:#E5E9F0;
  --border-strong:#D3DAE6;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(17,24,39,.04),0 6px 18px rgba(29,111,232,.06);
  --shadow-hover:0 8px 28px rgba(29,111,232,.14);
  --shadow-up:0 -2px 12px rgba(17,24,39,.06);
  --container:1200px;
  --gap:24px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(29,111,232,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 22px rgba(29,111,232,.30)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(29,111,232,.22)}
.btn-outline{background:#fff;color:var(--primary);border-color:rgba(29,111,232,.40)}
.btn-outline:hover{background:var(--primary-light);border-color:var(--primary);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.26)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 22px rgba(255,122,47,.30)}
.btn-accent:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 6px 16px rgba(17,24,39,.14)}
.btn-light:hover{background:#F3F7FF;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.cta-block .btn:focus-visible{outline-color:#fff}

/* ============ 徽标 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-accent{background:rgba(255,122,47,.12);color:#D9601A}
.badge-success{background:rgba(18,184,134,.12);color:var(--success-dark)}
.badge-live{background:var(--danger);color:#fff}
.badge-live .dot{width:7px;height:7px;border-radius:50%;background:#fff;animation:pulse 1.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  background:var(--bg);border:1px solid var(--border);color:var(--text-muted);font-size:13px;font-weight:500;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(17,24,39,.08)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{display:inline-flex;flex-shrink:0}
.logo-text strong{display:block;font-size:17px;font-weight:700;color:var(--text);line-height:1.3}
.logo-text span{display:block;font-size:12px;color:var(--text-muted);line-height:1.4}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-list a{
  position:relative;padding:10px 12px;font-size:15px;color:var(--text-body);border-radius:8px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-list a:hover{color:var(--primary);background:var(--primary-light)}
.nav-list a.is-active{color:var(--primary);font-weight:600}
.nav-list a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text-body);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.icon-btn[aria-expanded="true"]{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.search-panel{display:none;border-top:1px solid var(--border);background:var(--band);padding:14px 0}
.search-panel.is-open{display:block}
.search-inner{display:flex;gap:10px}
.search-inner input{
  flex:1;height:44px;padding:0 14px;border:1px solid var(--border-strong);border-radius:10px;
  background:#fff;color:var(--text);outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-inner input::placeholder{color:var(--text-faint)}
.search-inner input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,111,232,.14)}

/* ============ 首屏 ============ */
.page-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--border)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.12}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,#ffffff 0%,rgba(255,255,255,.92) 42%,rgba(232,240,254,.78) 100%);
}
.hero-inner{position:relative;z-index:2;padding:44px 0 64px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-muted);margin-bottom:22px}
.breadcrumb a{color:var(--text-muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--text-faint)}
.breadcrumb .current{color:var(--text);font-weight:500}
.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:start;margin-top:16px}
.page-title{font-size:40px;line-height:1.25;font-weight:700;margin:16px 0 16px;max-width:760px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-body);max-width:680px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-stats li{
  flex:1 1 150px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:16px 18px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.hero-stats li:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.hero-stats strong{display:block;font-size:24px;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums;font-weight:700}
.hero-stats span{display:block;margin-top:4px;font-size:13.5px;color:var(--text-muted)}

/* 首屏侧卡 */
.hero-side{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card)}
.hero-side h2{font-size:18px;line-height:1.5;margin:16px 0 14px}
.hero-side ul{display:grid;gap:12px;margin-bottom:20px}
.hero-side li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-body)}
.status-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;margin-top:8px;background:var(--success)}
.status-dot.orange{background:var(--accent)}
.status-dot.blue{background:var(--primary)}
.hero-side li b{color:var(--text);font-weight:600}

/* ============ 板块通用 ============ */
.section{padding:76px 0}
.section.band{background:var(--band)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{position:relative;padding-left:15px;font-size:29px;line-height:1.35}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:3px;background:var(--primary);
}
.section-head p{margin-top:9px;margin-left:15px;font-size:15px;color:var(--text-muted);max-width:720px}
.section-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);transition:color .2s ease}
.section-link:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong)}
.card-pad{padding:24px}
.card h3{font-size:19px;line-height:1.5;font-weight:600;margin-bottom:10px}
.card p{font-size:15px;line-height:1.8;color:var(--text-body)}

/* 验证方式网格 */
.verify-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:var(--gap)}
.verify-side{display:grid;gap:var(--gap)}
.verify-main .card-pad{padding:28px}
.verify-main ul{display:grid;gap:10px;margin-top:16px}
.verify-main li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--text-body)}
.verify-main li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);flex-shrink:0;margin-top:9px}
.icon-chip{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:13px;
  background:var(--primary-light);color:var(--primary);margin-bottom:14px;
}
.icon-chip.orange{background:rgba(255,122,47,.12);color:var(--accent-dark)}
.icon-chip.green{background:rgba(18,184,134,.12);color:var(--success-dark)}

/* ============ 时间线 ============ */
.timeline{position:relative;max-width:960px}
.timeline::before{
  content:"";position:absolute;left:86px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(29,111,232,.16) 100%);
}
.timeline li{position:relative;display:grid;grid-template-columns:86px 1fr;gap:28px;padding-bottom:26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:79px;top:26px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(29,111,232,.10);z-index:1;
}
.tl-time{padding-top:22px;text-align:right}
.tl-time strong{display:block;font-size:13.5px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.tl-time span{display:block;font-size:12.5px;color:var(--text-faint);margin-top:2px}
.tl-body{padding:22px 24px}
.tl-body h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:8px}
.tl-body p{font-size:15px;line-height:1.82;color:var(--text-body)}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-card)}
.split-body h2{font-size:27px;line-height:1.35;margin-bottom:14px}
.split-body > p{font-size:15.5px;line-height:1.85;color:var(--text-body);margin-bottom:20px}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--text-body)}
.check-list li svg{flex-shrink:0;margin-top:5px;color:var(--success)}

/* ============ 行列表 ============ */
.row-list{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
}
.row-item{
  display:flex;align-items:center;gap:20px;padding:20px 24px;border-bottom:1px solid var(--border);
  transition:background-color .2s ease,padding-left .2s ease;
}
.row-item:last-child{border-bottom:0}
.row-item:hover{background:var(--primary-light);padding-left:28px}
.row-index{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.row-item:hover .row-index{background:var(--primary);color:#fff}
.row-item h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:4px}
.row-item p{font-size:14.5px;line-height:1.7;color:var(--text-muted)}
.row-arrow{margin-left:auto;flex-shrink:0;color:var(--text-faint);transition:color .2s ease,transform .2s ease}
.row-item:hover .row-arrow{color:var(--primary);transform:translateX(3px)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--border-strong)}
.faq-item.is-open{border-color:rgba(29,111,232,.42);box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-q .chev{flex-shrink:0;color:var(--primary);transition:transform .25s ease}
.faq-item.is-open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-body)}

/* ============ 订阅表单 ============ */
.subscribe-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;border:1px solid var(--border-strong);border-radius:var(--radius-btn);
  background:#fff;color:var(--text);outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe-form input::placeholder{color:var(--text-faint)}
.subscribe-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,111,232,.14)}
.subscribe-form input.is-invalid{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.12)}
.field-msg{margin-top:10px;font-size:13px;color:var(--text-muted)}
.field-msg.is-error{color:var(--danger)}
.field-msg.is-success{color:var(--success-dark)}

/* ============ CTA ============ */
.cta-block{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--primary);border-radius:16px;padding:44px 40px;color:#fff;
  box-shadow:0 14px 36px rgba(29,111,232,.22);
}
.cta-block h2{color:#fff;font-size:26px;line-height:1.4;margin-bottom:10px}
.cta-block p{color:rgba(255,255,255,.86);font-size:15.5px;line-height:1.8;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:#9BA6B8;padding:60px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.85;color:#9BA6B8}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer ul{display:grid;gap:10px}
.site-footer li a{font-size:14px;color:#9BA6B8;transition:color .2s ease}
.site-footer li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.site-footer a{color:#9BA6B8}
.site-footer a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:#7C879A;
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--border);box-shadow:var(--shadow-up);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab ul{display:flex}
.mobile-tab li{flex:1;min-width:0}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:10.5px;color:var(--text-muted);transition:color .2s ease;
}
.mobile-tab a.is-active{color:var(--primary);font-weight:600}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:0;left:24%;right:24%;height:3px;border-radius:0 0 3px 3px;background:var(--primary);
}
.mobile-tab svg{width:20px;height:20px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 22px}
  .hero-grid{gap:36px}
  .page-title{font-size:36px}
}
@media (max-width:1023px){
  .nav-list{display:none}
  .header-actions .btn{display:none}
  .header-actions{margin-left:auto}
  .mobile-tab{display:block}
  body{padding-bottom:64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-title{font-size:30px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .verify-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .subscribe-wrap{grid-template-columns:1fr;gap:24px}
  .split-body h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .timeline::before{left:8px}
  .timeline li{grid-template-columns:1fr;gap:10px;padding-left:34px;padding-bottom:22px}
  .timeline li::before{left:1px;top:26px;width:16px;height:16px}
  .tl-time{padding-top:0;text-align:left}
  .tl-time strong,.tl-time span{display:inline-block;margin-right:10px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-title{font-size:26px}
  .hero-sub{font-size:15.5px}
  .hero-inner{padding:28px 0 48px}
  .hero-stats li{flex:1 1 100%}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .section-head h2{font-size:22px}
  .section-head p{margin-left:15px;font-size:14.5px}
  .cta-block{padding:30px 22px;flex-direction:column;align-items:flex-start}
  .cta-block h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .row-item{padding:16px;gap:14px}
  .row-item:hover{padding-left:16px}
  .row-item h3{font-size:15.5px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .card-pad{padding:18px}
  .tl-body{padding:18px}
}
@media (max-width:479px){
  .page-title{font-size:23px}
  .hero-cta .btn{width:100%}
  .mobile-tab a{font-size:10px}
  .footer-bottom{font-size:12.5px}
}

/* roulang page: category4 */
:root{
  --primary:#1D6FE8;
  --primary-dark:#1558C0;
  --primary-light:#E8F0FE;
  --accent:#FF7A2F;
  --success:#12B886;
  --danger:#E5484D;
  --bg:#F5F7FA;
  --bg-alt:#EEF3FB;
  --card:#FFFFFF;
  --footer-bg:#101826;
  --text:#111827;
  --text-body:#374151;
  --text-muted:#6B7280;
  --text-soft:#9CA3AF;
  --border:#E5E9F0;
  --border-strong:#D3DAE6;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(17,24,39,.04), 0 6px 18px rgba(29,111,232,.06);
  --shadow-hover:0 8px 28px rgba(29,111,232,.14);
  --shadow-float:0 -2px 12px rgba(17,24,39,.06);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{color:var(--text);font-weight:700;}
h1{font-size:40px;line-height:1.25;letter-spacing:0;}
h2{font-size:29px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:16px;line-height:1.6;}
p{line-height:1.85;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);
}
.section-head p{color:var(--text-muted);font-size:15px;margin-top:8px;padding-left:16px;}
.link-more{font-size:15px;font-weight:600;white-space:nowrap;}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(17,24,39,.07);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{display:inline-flex;}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text strong{font-size:17px;font-weight:700;color:var(--text);}
.logo-text span{font-size:12px;color:var(--text-soft);letter-spacing:.4px;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list a{
  position:relative;display:inline-block;padding:10px 12px;font-size:15px;font-weight:500;color:var(--text-body);border-radius:8px;
}
.nav-list a:hover{color:var(--primary);background:var(--primary-light);}
.nav-list a.is-active{color:var(--primary);font-weight:600;}
.nav-list a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--border);background:#fff;color:var(--text-body);border-radius:var(--radius-btn);
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-light);}
.search-panel{display:none;border-top:1px solid var(--border);background:#fff;padding:16px 0;}
.search-panel.is-open{display:block;}
.search-inner{display:flex;gap:12px;}
.search-inner input{
  flex:1;height:46px;padding:0 16px;border:1px solid var(--border-strong);border-radius:var(--radius-btn);
  font-size:15px;color:var(--text);background:#fff;transition:border-color .2s ease, box-shadow .2s ease;
}
.search-inner input::placeholder{color:var(--text-soft);}
.search-inner input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,111,232,.14);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(29,111,232,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(29,111,232,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(29,111,232,.24);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#E96A22;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn:disabled,.btn[disabled]{background:var(--border);color:var(--text-soft);border-color:var(--border);cursor:not-allowed;box-shadow:none;transform:none;}

/* ===== Badges ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge-primary{background:var(--primary-light);color:var(--primary-dark);}
.badge-accent{background:#FFF1E7;color:#C2551A;}
.badge-success{background:#E6F9F2;color:#0B7A5A;}
.badge-neutral{background:#EEF1F6;color:var(--text-muted);}
.badge-live{background:var(--danger);color:#fff;}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.4s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(.82);}}

/* ===== Hero ===== */
.page-hero{background:#fff;padding:64px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.hero-copy h1{margin:16px 0 16px;}
.hero-sub{font-size:17px;color:var(--text-muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;}
.hero-points li{position:relative;padding-left:20px;font-size:14px;color:var(--text-body);}
.hero-points li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--primary);
}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-card);}
.media-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(16,24,38,.82);color:#fff;
  font-size:13px;font-weight:500;padding:6px 12px;border-radius:var(--radius-pill);
}
.media-flag{
  position:absolute;right:16px;top:16px;background:var(--accent);color:#fff;font-size:13px;font-weight:700;
  padding:5px 12px;border-radius:var(--radius-pill);
}
.stat-strip{
  margin-top:44px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-card);
  display:grid;grid-template-columns:repeat(4,1fr);padding:22px 8px;
}
.stat-item{text-align:center;padding:0 14px;border-right:1px solid var(--border-strong);}
.stat-item:last-child{border-right:none;}
.stat-num{font-size:26px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3;}
.stat-label{font-size:13px;color:var(--text-muted);}

/* ===== Filter bar ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.filter-chip{
  padding:8px 16px;border-radius:var(--radius-pill);border:1px solid var(--border-strong);
  background:#fff;font-size:14px;font-weight:500;color:var(--text-body);cursor:pointer;transition:all .2s ease;
}
.filter-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}
.filter-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}

/* ===== Compact list ===== */
.compact-list{border:1px solid var(--border);border-radius:var(--radius-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-card);}
.compact-item{
  display:flex;align-items:center;gap:20px;padding:22px 24px;border-bottom:1px solid var(--border);
  transition:background .2s ease, transform .2s ease;
}
.compact-item:last-child{border-bottom:none;}
.compact-item:hover{background:var(--primary-light);}
.compact-item .ci-body{flex:1;min-width:0;}
.compact-item h3{font-size:17px;margin-bottom:6px;}
.compact-item p{font-size:14px;color:var(--text-muted);line-height:1.7;}
.ci-arrow{
  flex:0 0 auto;width:36px;height:36px;border-radius:50%;border:1px solid var(--border-strong);
  display:flex;align-items:center;justify-content:center;color:var(--primary);background:#fff;transition:all .2s ease;
}
.compact-item:hover .ci-arrow{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateX(3px);}

/* ===== Device cards ===== */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong);}
.card h3{margin-bottom:10px;}
.card p{font-size:15px;color:var(--text-muted);}
.card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card-icon.accent{background:#FFF1E7;color:var(--accent);}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 22px 22px;box-shadow:var(--shadow-card);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-14px;left:22px;background:var(--primary);color:#fff;font-size:13px;font-weight:700;
  padding:4px 10px;border-radius:var(--radius-pill);font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin:10px 0 8px;}
.step p{font-size:14px;color:var(--text-muted);}

/* ===== FAQ ===== */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;transition:border-color .2s ease, box-shadow .2s ease;}
.faq-item.is-open{border-color:var(--primary);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-q .chev{flex:0 0 auto;transition:transform .25s ease;color:var(--primary);}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text-body);}

/* ===== CTA ===== */
.cta-band{
  background:var(--primary);border-radius:16px;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:8px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-white{background:#fff;color:var(--primary);}
.cta-band .btn-white:hover{background:#F2F6FE;color:var(--primary-dark);transform:translateY(-1px);}
.cta-band .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.cta-band .btn-line:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ===== Back home ===== */
.back-home{display:flex;justify-content:center;margin-top:32px;}
.back-home a{font-size:15px;font-weight:600;}

/* ===== Footer ===== */
.site-footer{background:var(--footer-bg);color:#9BA6B8;padding:56px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.8;color:#9BA6B8;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer a{color:#9BA6B8;font-size:14px;}
.site-footer a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C8798;
}

/* ===== Mobile tab bar ===== */
.mobile-tabbar{display:none;}

/* ===== Responsive ===== */
@media (max-width:1279px){
  .nav-list a{padding:10px 9px;font-size:14px;}
}
@media (max-width:1023px){
  .nav-list{display:none;}
  .header-actions .btn-outline{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);row-gap:22px;}
  .stat-item:nth-child(2){border-right:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  body{padding-bottom:76px;}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:#fff;border-top:1px solid var(--border);box-shadow:var(--shadow-float);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));
  }
  .mobile-tabbar a{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
    padding:6px 2px;font-size:10.5px;font-weight:500;color:var(--text-muted);position:relative;
  }
  .mobile-tabbar a.is-active{color:var(--primary);font-weight:600;}
  .mobile-tabbar a.is-active::before{
    content:"";position:absolute;top:-6px;left:50%;transform:translateX(-50%);
    width:26px;height:3px;border-radius:2px;background:var(--primary);
  }
  .mobile-tabbar svg{width:20px;height:20px;}
}
@media (max-width:767px){
  h1{font-size:27px;}
  h2{font-size:23px;}
  .section{padding:52px 0;}
  .container{padding:0 16px;}
  .page-hero{padding:40px 0 40px;}
  .grid-4,.grid-3,.grid-2,.steps{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .compact-item{padding:18px 16px;gap:14px;align-items:flex-start;}
  .ci-arrow{margin-top:4px;}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions .btn{flex:1 1 auto;}
  .search-inner{flex-direction:column;}
  .search-inner input,.search-inner .btn{width:100%;}
}
@media (max-width:479px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid var(--border-strong);padding-bottom:16px;}
  .stat-item:last-child{border-bottom:none;padding-bottom:0;}
  .logo-text strong{font-size:15px;}
  .logo-text span{display:none;}
}