/* roulang page: index */
:root{
  --brand:#1B5FD9;
  --brand-dark:#1247AE;
  --brand-soft:#EEF4FF;
  --brand-line:#CBDCFB;
  --accent:#FF6A2B;
  --accent-soft:#FFF1E8;
  --accent-text:#C4470F;
  --live:#E5484D;
  --gray-mid:#8B94A7;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --bg-alt:#FBFCFE;
  --footer-bg:#101828;
  --footer-text:#C7CEDB;
  --footer-muted:#8B94A7;
  --border:#E5EAF3;
  --line:#EEF1F7;
  --text:#16202F;
  --text-2:#5B6577;
  --text-3:#8B94A7;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(22,32,47,.06);
  --shadow-md:0 10px 26px rgba(22,32,47,.10);
  --trans:180ms cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--trans)}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media(max-width:1023px){.container{padding:0 24px}}
@media(max-width:767px){.container{padding:0 16px}}

/* ===== 布局外壳 ===== */
.side{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:22px 16px 20px;z-index:120;
}
.main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}
@media(min-width:1440px){
  .side{width:264px}
  .main{margin-left:264px}
}
.brand{display:flex;flex-direction:column;gap:3px;padding:6px 10px 18px}
.brand:hover{text-decoration:none}
.brand-name{font-size:19px;font-weight:800;color:var(--text);line-height:1.25;letter-spacing:.01em}
.brand-sub{font-size:12px;color:var(--text-3);line-height:1.45}
.nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav-item{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:10px;color:var(--text-2);font-size:15px;font-weight:500;
  border-left:3px solid transparent;
  transition:background var(--trans),color var(--trans),border-color var(--trans);
}
.nav-item svg{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7}
.nav-item:hover{background:#F7FAFF;color:var(--brand-dark);text-decoration:none}
.nav-item.is-active{background:var(--brand-soft);color:var(--brand-dark);border-left-color:var(--brand);font-weight:600}
.side-divider{height:1px;background:var(--line);margin:16px 8px}
.side-foot{
  margin-top:auto;background:var(--accent-soft);border-radius:12px;padding:15px;
}
.side-foot p{font-size:13px;line-height:1.55;color:var(--accent-text);margin-bottom:11px}
.side-foot .btn{width:100%}

.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:110;
  align-items:center;gap:12px;padding:0 14px;background:#fff;
  border-bottom:1px solid var(--border);box-shadow:0 2px 8px rgba(22,32,47,.05);
}
.topbar .hamb{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:var(--text-2)}
.topbar .hamb:hover{background:var(--brand-soft);color:var(--brand-dark)}
.topbar .hamb svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8}
.topbar .brand-mini{font-size:16px;font-weight:800;color:var(--text);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.overlay{
  display:none;position:fixed;inset:0;background:rgba(16,24,40,.45);z-index:115;
}
.overlay.is-on{display:block}

@media(max-width:1023px){
  .side{transform:translateX(-100%);transition:transform .26s cubic-bezier(.2,.7,.3,1);width:84vw;max-width:320px;box-shadow:var(--shadow-md)}
  .side.is-open{transform:translateX(0)}
  .main{margin-left:0;padding-top:56px}
  .topbar{display:flex}
}

/* ===== 通用元件 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;white-space:nowrap;line-height:1;
  transition:background var(--trans),color var(--trans),border-color var(--trans),box-shadow var(--trans),transform var(--trans);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 6px 18px rgba(27,95,217,.28);text-decoration:none}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff;font-size:16px;font-weight:700}
.btn-accent:hover{background:#E85A1E;color:#fff;text-decoration:none;box-shadow:0 6px 18px rgba(255,106,43,.3)}
.btn-outline{background:#fff;border:1px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);text-decoration:none}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:8px}
.btn-block{width:100%}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;letter-spacing:.02em;
}
.badge-soon{background:var(--brand-soft);color:var(--brand-dark)}
.badge-live{background:#FDECEC;color:var(--live)}
.badge-done{background:#F0F2F6;color:var(--gray-mid)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:13px;line-height:1;background:var(--brand-soft);color:var(--brand-dark);
}
.link-arrow{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow span{transition:transform var(--trans);display:inline-block}
.link-arrow:hover{color:var(--brand-dark);text-decoration:none}
.link-arrow:hover span{transform:translateX(2px)}

.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
@media(max-width:1023px){.section{padding:72px 0}}
@media(max-width:767px){.section{padding:56px 0}}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--text)}
.section-note{font-size:13px;color:var(--text-3)}
@media(max-width:767px){.section-head h2{font-size:23px}}

/* ===== 首屏 ===== */
.hero{
  position:relative;overflow:hidden;padding:60px 0 76px;
  background-color:var(--bg);
  background-image:linear-gradient(180deg,rgba(255,255,255,.88) 0%,rgba(245,247,251,.97) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover;background-position:center,center;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;top:0;height:220px;pointer-events:none;
  background:linear-gradient(102deg,rgba(27,95,217,.07),rgba(27,95,217,0) 62%);
}
.hero .container{position:relative;z-index:1}
.hero-row{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:start}
@media(max-width:1023px){.hero-row{grid-template-columns:1fr;gap:32px}}
.hero-media{background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px;box-shadow:var(--shadow-sm)}
.ratio-16x9{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--brand-soft)}
.ratio-16x9 img{width:100%;height:100%;object-fit:cover}
.media-badge{position:absolute;top:12px;left:12px}
.media-tag{
  position:absolute;right:12px;bottom:12px;background:rgba(16,24,40,.72);color:#fff;
  font-size:13px;line-height:1;padding:7px 11px;border-radius:999px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;padding:14px 6px 4px}
.hero-meta li{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:6px}
.hero-meta li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-line);flex:none}

.hero h1{font-size:44px;line-height:1.2;font-weight:700;color:var(--text);letter-spacing:0}
.hero-sub{font-size:16px;line-height:1.7;color:var(--text-2);margin-top:14px;max-width:34em}
@media(max-width:1023px){.hero h1{font-size:34px}}
@media(max-width:767px){.hero h1{font-size:28px;line-height:1.28}}

.countdown{display:flex;align-items:center;gap:10px;margin:26px 0 24px;flex-wrap:wrap}
.cd-cell{
  width:64px;height:64px;border:1px solid var(--brand-line);border-radius:12px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);
}
.cd-num{font-family:var(--font-mono);font-size:26px;font-weight:700;line-height:1;color:var(--brand-dark);font-variant-numeric:tabular-nums}
.cd-unit{font-size:12px;color:var(--text-3);line-height:1;margin-top:5px}
.cd-sep{width:1px;height:30px;background:var(--line)}
@media(max-width:560px){
  .cd-cell{width:54px;height:54px}
  .cd-num{font-size:21px}
  .cd-sep{height:24px}
}

.sub-form{max-width:480px}
.field-row{display:flex;gap:10px}
.field{
  flex:1;min-width:0;height:44px;padding:0 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;color:var(--text);font-size:14px;
  transition:border-color var(--trans),box-shadow var(--trans);
}
.field::placeholder{color:var(--text-3)}
.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,95,217,.14)}
.field.is-error{border-color:var(--live);box-shadow:0 0 0 3px rgba(229,72,77,.12)}
.check{display:flex;align-items:flex-start;gap:8px;margin-top:11px;font-size:12px;color:var(--text-3);line-height:1.55;cursor:pointer}
.check input{width:16px;height:16px;flex:none;margin-top:2px;border-radius:4px;accent-color:var(--brand)}
.form-msg{margin-top:10px;font-size:12px;line-height:1.6;min-height:18px;color:var(--text-3)}
.form-msg.err{color:var(--live)}
.form-msg.ok{display:inline-block;background:#EAF7EF;color:#1A7F4B;padding:6px 11px;border-radius:8px;font-size:12.5px}
@media(max-width:560px){
  .field-row{flex-direction:column}
  .field-row .btn{width:100%}
}
.hero-links{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:20px}
.hero-links a{font-size:14px;font-weight:600}

/* ===== 看点列表 ===== */
.highlight-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.hl-item{display:flex;gap:20px;padding:24px;border-bottom:1px solid var(--line);align-items:flex-start}
.hl-item:last-child{border-bottom:0}
.hl-num{
  width:32px;height:32px;flex:none;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;font-family:var(--font-mono);
}
.hl-body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--text)}
.hl-body p{font-size:14px;line-height:1.6;color:var(--text-2);margin-top:6px}
@media(max-width:560px){.hl-item{padding:18px;gap:14px}}

/* ===== 提醒订阅条 ===== */
.strip{
  background:var(--accent-soft);border-radius:16px;padding:26px 28px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:28px;align-items:center;
}
.strip-left{display:flex;gap:16px;align-items:flex-start}
.strip-icon{
  width:44px;height:44px;flex:none;border-radius:12px;background:#fff;color:var(--accent);
  display:flex;align-items:center;justify-content:center;
}
.strip-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8}
.strip-left h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--text)}
.strip-left p{font-size:14px;line-height:1.65;color:var(--text-2);margin-top:6px}
.strip .field{background:#fff}
@media(max-width:900px){
  .strip{grid-template-columns:1fr;padding:22px}
  .strip .field-row{flex-direction:column}
  .strip .field-row .btn{width:100%}
}

/* ===== 时间轴 ===== */
.timeline{display:flex;flex-direction:column}
.tl-item{display:flex;gap:26px;position:relative}
.tl-time{width:96px;flex:none;padding-top:20px;position:relative}
.tl-time .d{display:block;font-size:14px;font-weight:600;color:var(--text);font-family:var(--font-mono)}
.tl-time .w{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.tl-time::after{content:"";position:absolute;right:-14px;top:0;bottom:0;width:2px;background:var(--brand-line)}
.tl-item:last-child .tl-time::after{bottom:auto;height:34px}
.tl-item.is-current .tl-time::before{
  content:"";position:absolute;right:-19px;top:24px;width:12px;height:12px;border-radius:50%;
  background:var(--brand);border:3px solid #fff;z-index:2;
}
.tl-card{
  flex:1;min-width:0;display:flex;gap:18px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;margin-bottom:18px;box-shadow:var(--shadow-sm);
  transition:box-shadow var(--trans),transform var(--trans);
}
.tl-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.tl-thumb{width:160px;flex:none;aspect-ratio:3/2;border-radius:10px;overflow:hidden;background:var(--brand-soft)}
.tl-thumb img{width:100%;height:100%;object-fit:cover}
.tl-body{min-width:0;display:flex;flex-direction:column;gap:7px}
.tl-body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--text)}
.tl-body p{font-size:14px;line-height:1.6;color:var(--text-2)}
@media(max-width:767px){
  .tl-item{gap:16px}
  .tl-time{width:64px}
  .tl-time::after{right:-9px}
  .tl-item.is-current .tl-time::before{right:-14px}
  .tl-card{flex-direction:column;gap:12px}
  .tl-thumb{width:100%}
}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media(max-width:1023px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.news-grid{grid-template-columns:1fr}}

.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow var(--trans),transform var(--trans);
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card:hover .card-title{color:var(--brand-dark)}
.ratio-3x2{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--brand-soft)}
.ratio-3x2 img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .ratio-3x2 img{transform:scale(1.04)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{
  font-size:18px;font-weight:600;line-height:1.45;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--trans);
}
.card-excerpt{
  font-size:14px;line-height:1.6;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.card-time{font-size:13px;color:var(--text-3)}
.card-arrow{width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;flex:none;transition:background var(--trans),color var(--trans)}
.card:hover .card-arrow{background:var(--brand);color:#fff}
.card-arrow svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}
.card-tag{align-self:flex-start}

.empty-state{
  grid-column:1/-1;border:1px dashed var(--brand-line);background:var(--brand-soft);
  border-radius:var(--radius);padding:52px 24px;text-align:center;
}
.empty-state svg{width:34px;height:34px;stroke:var(--brand);fill:none;stroke-width:1.5;margin:0 auto 14px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:16px}

/* ===== 分类入口 bento ===== */
.bento{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:22px}
@media(max-width:900px){.bento{grid-template-columns:1fr}}
.bento-hero{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:360px;border-radius:16px;overflow:hidden;padding:26px;
  background:var(--brand-dark);color:#fff;
}
.bento-hero,.bento-hero:hover{color:#fff;text-decoration:none}
.bento-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62;transition:transform .45s ease}
.bento-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,24,40,.18),rgba(16,24,40,.84))}
.bento-hero:hover img{transform:scale(1.05)}
.bento-hero-body{position:relative;z-index:1}
.bento-hero-body h3{font-size:24px;font-weight:700;line-height:1.35;margin:12px 0 8px}
.bento-hero-body p{font-size:14px;line-height:1.65;color:rgba(255,255,255,.86);margin-bottom:16px}
.bento-hero .link-arrow{color:#fff}
.bento-hero .link-arrow:hover{color:#fff}
.bento-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
@media(max-width:560px){.bento-side{grid-template-columns:1fr}}
.bento-sm{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);color:var(--text);
  transition:box-shadow var(--trans),transform var(--trans),border-color var(--trans);
}
.bento-sm:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none;color:var(--text);border-color:var(--brand-line)}
.bento-ic{
  width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.bento-ic svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7}
.bento-sm h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--text)}
.bento-sm p{font-size:14px;line-height:1.65;color:var(--text-2)}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;
  transition:border-color var(--trans),box-shadow var(--trans);
}
.faq-item[open]{border-color:var(--brand-line);box-shadow:inset 3px 0 0 var(--brand),var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;font-size:16px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform var(--trans),color var(--trans);
}
.faq-item[open] summary::after{content:"−";color:var(--brand-dark)}
.faq-item summary:hover{color:var(--brand-dark)}
.faq-body{padding:0 20px 19px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ===== 底部 CTA ===== */
.cta-band{padding:0 0 96px}
.cta-inner{
  background:var(--brand-soft);border:1px solid var(--brand-line);border-radius:18px;
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:24px;font-weight:700;line-height:1.4;color:var(--text)}
.cta-inner p{font-size:14px;line-height:1.7;color:var(--text-2);margin-top:8px;max-width:46em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:767px){
  .cta-band{padding-bottom:56px}
  .cta-inner{padding:24px}
  .cta-inner h2{font-size:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--footer-bg);color:var(--footer-text);margin-top:auto;padding-top:60px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
@media(max-width:1023px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr;gap:28px}}
.foot-brand{font-size:18px;font-weight:800;color:#fff;line-height:1.3}
.foot-desc{font-size:14px;line-height:1.75;color:var(--footer-muted);margin-top:12px;max-width:32em}
.foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.foot-list li{margin-bottom:9px}
.foot-list a{font-size:14px;color:var(--footer-muted)}
.foot-list a:hover{color:#fff;text-decoration:none}
.foot-note{font-size:14px;line-height:1.8;color:var(--footer-muted)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--footer-muted);
}
.foot-bottom a{color:var(--footer-muted)}
.foot-bottom a:hover{color:#fff;text-decoration:none}

@media(max-width:560px){
  .btn{height:46px}
  .btn-sm{height:38px}
}

/* roulang page: article */
:root{
  --brand:#1B5FD9;
  --brand-dark:#1247AE;
  --brand-soft:#EEF4FF;
  --brand-line:#CBDCFB;
  --accent:#FF6A2B;
  --accent-soft:#FFF1E8;
  --accent-text:#C4470F;
  --live:#E5484D;
  --ended:#8B94A7;
  --bg:#F5F7FB;
  --bg-alt:#FBFCFE;
  --card:#FFFFFF;
  --foot-bg:#101828;
  --foot-text:#C7CEDB;
  --foot-muted:#8B94A7;
  --border:#E5EAF3;
  --divider:#EEF1F7;
  --text:#16202F;
  --text-2:#5B6577;
  --text-3:#8B94A7;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(22,32,47,.06);
  --shadow-hover:0 10px 26px rgba(22,32,47,.10);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --sidebar-w:248px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,h5,h6{margin:0;padding:0;font-weight:700;color:var(--text);letter-spacing:0;font-style:normal;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:2px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- App Shell ---------- */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;gap:18px;
  padding:24px 16px;z-index:60;overflow-y:auto;
}
.brand{
  display:flex;align-items:center;gap:10px;padding:6px 8px 16px;
  border-bottom:1px solid var(--divider);color:var(--text);
}
.brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,#3C7BEA 100%);
  color:#fff;font-weight:700;font-size:14px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{font-size:15px;font-weight:700;line-height:1.3;color:var(--text);}
.brand-sub{font-size:12px;line-height:1.4;color:var(--text-3);}
.nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:var(--radius-sm);font-size:15px;color:var(--text-2);
  position:relative;transition:background-color var(--t),color var(--t);
}
.nav-item svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.6;}
.nav-item:hover{background:#F7FAFF;color:var(--brand-dark);text-decoration:none;}
.nav-item.is-active{
  background:var(--brand-soft);color:var(--brand-dark);font-weight:600;
}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.side-sep{height:1px;background:var(--divider);margin:4px 0;}
.side-promo{
  margin-top:auto;background:var(--accent-soft);border-radius:12px;
  padding:16px;display:flex;flex-direction:column;gap:12px;
}
.side-promo p{font-size:13px;line-height:1.6;color:var(--accent-text);font-weight:500;}
.side-foot{font-size:12px;line-height:1.6;color:var(--text-3);}

.app-main{margin-left:var(--sidebar-w);flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.m-topbar{display:none;}
.sidebar-overlay{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 8px 18px rgba(27,95,217,.22);}
.btn-primary:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);color:#fff;font-size:16px;font-weight:700;}
.btn-accent:hover{background:#E85A1D;color:#fff;box-shadow:0 8px 18px rgba(255,106,43,.25);}
.btn-accent:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text-2);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.text-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;transition:transform var(--t);}
.text-link:hover{color:var(--brand-dark);text-decoration:none;}
.text-link:hover svg{transform:translateX(2px);}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:13px;letter-spacing:.02em;background:var(--brand-soft);color:var(--brand-dark);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;font-size:13px;font-weight:600;
}
.badge-live{background:rgba(229,72,77,.12);color:var(--live);}
.badge-soon{background:var(--brand-soft);color:var(--brand-dark);}
.badge-end{background:#F1F3F8;color:var(--ended);}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;}

/* ---------- 页面主体 ---------- */
.page-main{padding:22px 0 76px;flex:1 1 auto;}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);text-decoration:none;}
.crumb .crumb-sep{color:var(--brand-line);}
.crumb .crumb-current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.crumb-line{height:1px;background:var(--divider);margin:0 0 26px;}

/* 文章头 */
.article-head{max-width:820px;margin-bottom:26px;}
.article-head h1{font-size:32px;line-height:1.35;font-weight:700;letter-spacing:0;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--text-3);}
.meta-row .sep{width:4px;height:4px;border-radius:50%;background:#D3DAE6;}
.meta-row .meta-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:13px;
}
.head-line{height:1px;background:var(--divider);margin-top:22px;}

/* 版式分栏 */
.article-layout{margin-top:8px;}
.article-main-col{min-width:0;}
.article-side-col{min-width:0;}

/* 正文 */
.article-body{
  max-width:760px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:32px;color:var(--text);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;font-size:17px;line-height:1.9;color:var(--text);}
.article-body h2{
  font-size:22px;font-weight:600;line-height:1.4;margin:34px 0 16px;
  padding-left:12px;border-left:3px solid var(--brand);
}
.article-body h3{font-size:18px;font-weight:600;line-height:1.45;margin:26px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;list-style:revert;}
.article-body li{font-size:17px;line-height:1.85;margin-bottom:8px;}
.article-body ul li::marker,.article-body ol li::marker{color:var(--brand);}
.article-body img{border-radius:12px;margin:24px auto;width:auto;max-width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body blockquote{
  margin:22px 0;padding:16px 18px;background:#F7FAFF;
  border-left:3px solid var(--brand);border-radius:0 10px 10px 0;
}
.article-body blockquote p{margin:0;font-size:16px;color:var(--text-2);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}
.article-body a:hover{color:var(--brand-dark);}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:15px;background:var(--bg);border-radius:6px;padding:1px 6px;
}
.article-body pre{
  background:var(--bg);border-radius:10px;padding:16px;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;line-height:1.7;margin:0 0 1.2em;
}
.article-body pre code{background:transparent;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff;
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--divider);text-align:left;}
.article-body th{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;height:1px;background:var(--divider);margin:28px 0;}

/* 空态 */
.empty-state{
  max-width:760px;border:1px dashed var(--brand-line);background:var(--bg-alt);
  border-radius:var(--radius);padding:44px 24px;text-align:center;
}
.empty-state svg{width:40px;height:40px;margin:0 auto 14px;fill:none;stroke:var(--brand);stroke-width:1.6;}
.empty-state p{font-size:16px;color:var(--text-2);margin-bottom:18px;}

/* 标签组 */
.tag-block{max-width:760px;margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-block .tag-label{font-size:13px;color:var(--text-3);margin-right:2px;}

/* 翻页 */
.page-nav{max-width:760px;margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;}

/* 侧栏 */
.side-sticky{position:sticky;top:24px;display:flex;flex-direction:column;gap:16px;margin-top:4px;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px;
}
.side-card h3{font-size:15px;font-weight:600;margin-bottom:14px;}
.side-links li + li{border-top:1px solid var(--divider);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--text-2);
}
.side-links a:hover{color:var(--brand-dark);text-decoration:none;}
.side-links a svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;flex:0 0 auto;}
.side-note{font-size:13px;line-height:1.7;color:var(--text-3);}
.side-promo-card{
  background:var(--accent-soft);border:1px solid #FFDCC9;border-radius:var(--radius);
  padding:20px;
}
.side-promo-card h3{font-size:15px;font-weight:600;color:var(--accent-text);margin-bottom:10px;}
.side-promo-card p{font-size:13px;line-height:1.7;color:var(--accent-text);margin-bottom:14px;}

/* 相关推荐 */
.section{margin-top:56px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{font-size:24px;line-height:1.3;}
.section-head .section-sub{font-size:14px;color:var(--text-3);}
.card-grid{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr));}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand-line);}
.card-thumb{position:relative;width:100%;aspect-ratio:3/2;background:var(--bg);overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1);}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-thumb .badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-title{color:var(--brand-dark);}
.card-desc{font-size:14px;line-height:1.6;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--divider);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card:hover .card-desc{color:var(--text-2);}

/* CTA 条 */
.cta-band{
  margin-top:56px;background:var(--brand-soft);border:1px solid var(--brand-line);
  border-radius:var(--radius);padding:28px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{font-size:22px;line-height:1.35;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text-2);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--foot-bg);color:var(--foot-text);margin-top:0;padding:56px 0 24px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand{font-size:16px;font-weight:700;color:#fff;margin-bottom:12px;}
.foot-desc{font-size:14px;line-height:1.75;color:var(--foot-muted);}
.foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.foot-list li + li{margin-top:10px;}
.foot-list a{font-size:14px;color:var(--foot-muted);}
.foot-list a:hover{color:#fff;text-decoration:none;}
.foot-note{font-size:13px;line-height:1.75;color:var(--foot-muted);}
.foot-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--foot-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--sidebar-w:264px;}
  .container{max-width:1240px;}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);transition:transform var(--t);
    width:84vw;max-width:320px;box-shadow:0 12px 40px rgba(16,24,40,.24);
  }
  .sidebar.is-open{transform:translateX(0);}
  .sidebar-overlay{
    display:none;position:fixed;inset:0;background:rgba(16,24,40,.45);z-index:55;
  }
  .sidebar-overlay.is-open{display:block;}
  .app-main{margin-left:0;}
  .m-topbar{
    display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:50;
    height:56px;padding:0 16px;background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 2px 8px rgba(22,32,47,.05);
  }
  .m-topbar .burger{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:#fff;
    display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-2);
  }
  .m-topbar .burger svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;}
  .m-topbar .m-brand{display:flex;flex-direction:column;flex:1 1 auto;min-width:0;color:var(--text);}
  .m-topbar .m-brand:hover{text-decoration:none;color:var(--text);}
  .m-topbar .m-brand strong{font-size:15px;line-height:1.2;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .m-topbar .m-brand span{font-size:12px;line-height:1.3;color:var(--text-3);}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .article-body{padding:26px;}
  .side-sticky{position:static;}
  .container{padding:0 24px;}
  .page-main{padding:20px 0 60px;}
}
@media (max-width:767px){
  .article-head h1{font-size:26px;line-height:1.35;}
  .article-body{padding:20px;border-radius:12px;}
  .article-body p,.article-body li{font-size:16px;}
  .article-body h2{font-size:20px;margin:28px 0 14px;}
  .cta-band{padding:22px;flex-direction:column;align-items:flex-start;}
  .section{margin-top:44px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:21px;}
  .card-grid{grid-template-columns:1fr;}
  .container{padding:0 16px;}
  .page-nav .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .foot-grid{grid-template-columns:1fr;}
  .article-head h1{font-size:23px;}
  .article-body{padding:16px;}
  .side-card,.side-promo-card{padding:16px;}
  .brand-name{font-size:14px;}
  .meta-row{font-size:12px;}
}

/* roulang page: category1 */
:root{
  --blue:#1B5FD9;
  --blue-dark:#1247AE;
  --blue-soft:#EEF4FF;
  --blue-line:#CBDCFB;
  --orange:#FF6A2B;
  --orange-soft:#FFF1E8;
  --orange-text:#C4470F;
  --live:#E5484D;
  --upcoming:#1B5FD9;
  --ended:#8B94A7;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --alt:#FBFCFE;
  --footer-bg:#101828;
  --footer-text:#C7CEDB;
  --footer-sub:#8B94A7;
  --border:#E5EAF3;
  --line:#EEF1F7;
  --t1:#16202F;
  --t2:#5B6577;
  --t3:#8B94A7;
  --r-card:14px;
  --r-sm:10px;
  --sh:0 2px 10px rgba(22,32,47,.06);
  --sh-hover:0 10px 26px rgba(22,32,47,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--blue-dark);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px;}
body.no-scroll{overflow:hidden;}

/* ---------- layout shell ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:#fff;
  border-right:1px solid var(--border);
  padding:24px 16px;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  z-index:60;
}
.main{margin-left:var(--sidebar-w);min-height:100vh;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- brand ---------- */
.brand{display:block;padding:4px 8px 0;}
.brand-name{display:block;font-size:17px;font-weight:700;color:var(--t1);line-height:1.35;}
.brand-sub{display:block;margin-top:4px;font-size:12px;color:var(--t3);line-height:1.5;}

/* ---------- nav ---------- */
.nav{display:flex;flex-direction:column;gap:4px;margin-top:24px;}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 12px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  font-weight:500;
  color:var(--t2);
  transition:background var(--ease),color var(--ease);
}
.nav-item svg{width:20px;height:20px;flex:0 0 20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;}
.nav-item:hover{background:#F7FAFF;color:var(--blue-dark);}
.nav-item.is-active{background:var(--blue-soft);color:var(--blue-dark);font-weight:600;}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--blue);
}
.nav-sep{height:1px;background:var(--line);margin:20px 0;}

/* ---------- sidebar cta ---------- */
.side-cta{margin-top:auto;background:var(--orange-soft);border-radius:12px;padding:14px;}
.side-cta-title{font-size:14px;font-weight:700;color:var(--orange-text);margin-bottom:4px;}
.side-cta p{font-size:12.5px;line-height:1.6;color:var(--t2);margin:0 0 10px;}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;width:100%;}

/* ---------- topbar (mobile) ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;
  background:#fff;border-bottom:1px solid var(--border);
  box-shadow:0 2px 8px rgba(22,32,47,.05);
  align-items:center;gap:12px;padding:0 14px;z-index:70;
}
.burger{
  width:40px;height:40px;border:1px solid var(--border);background:#fff;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--t1);
  transition:border-color var(--ease),background var(--ease);
}
.burger:hover{border-color:var(--blue-line);background:var(--blue-soft);}
.burger svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;}
.topbar-logo{font-size:15px;font-weight:700;color:var(--t1);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-cta{
  height:36px;padding:0 14px;border-radius:var(--r-sm);background:var(--blue);color:#fff;
  font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;
}
.topbar-cta:hover{background:var(--blue-dark);color:#fff;}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(16,24,40,.45);z-index:55;
}
.drawer-mask.is-open{display:block;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;text-decoration:none;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);color:#fff;box-shadow:0 8px 20px rgba(27,95,217,.26);}
.btn-outline{background:#fff;border-color:var(--blue);color:var(--blue);}
.btn-outline:hover{background:var(--blue-soft);color:var(--blue-dark);}
.btn-ghost{background:rgba(255,255,255,.6);border-color:var(--border);color:var(--t1);}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-dark);background:#fff;}
.btn-orange{background:var(--orange);color:#fff;font-weight:700;font-size:16px;}
.btn-orange:hover{background:#E75A1E;color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.28);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--blue);
}
.link-arrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease);}
.link-arrow:hover{color:var(--blue-dark);}
.link-arrow:hover svg{transform:translateX(2px);}

/* ---------- badges ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:13px;letter-spacing:.02em;background:var(--blue-soft);color:var(--blue-dark);font-weight:600;
}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.02em;}
.badge-upcoming{background:var(--blue-soft);color:var(--blue-dark);}
.badge-live{background:#FDECEC;color:#B3272B;}
.badge-ended{background:#F1F3F7;color:#6B7488;}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--live);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;
  padding:76px 0 68px;
  border-bottom:1px solid var(--border);
  background-color:var(--blue-soft);
  background-image:linear-gradient(180deg,rgba(255,255,255,.74),rgba(255,255,255,.62)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.cat-hero-inner{max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:#fff;border:1px solid var(--blue-line);color:var(--blue-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;
}
.cat-hero h1{font-size:34px;line-height:1.28;font-weight:700;margin-bottom:16px;}
.cat-hero .lead{font-size:16.5px;line-height:1.8;color:var(--t2);max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px;}
.hero-facts{
  display:flex;gap:24px;flex-wrap:wrap;list-style:none;margin:0;padding:0;
  font-size:13px;color:var(--t2);
}
.hero-facts li{display:inline-flex;align-items:center;gap:8px;}
.hero-facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:30px;line-height:1.3;font-weight:700;}
.sec-head .sec-sub{margin-top:8px;font-size:14px;color:var(--t2);line-height:1.7;max-width:620px;}
.sec-link{font-size:14px;font-weight:600;color:var(--blue);white-space:nowrap;}

/* ---------- timeline ---------- */
.tl{list-style:none;margin:0;padding:0;}
.tl-item{display:grid;grid-template-columns:96px 1fr;}
.tl-axis{position:relative;}
.tl-axis::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  top:26px;bottom:-8px;width:2px;background:var(--blue-line);
}
.tl-item:last-child .tl-axis::before{display:none;}
.tl-dot{
  position:absolute;left:50%;transform:translateX(-50%);top:18px;
  width:14px;height:14px;border-radius:50%;background:#fff;
  border:3px solid var(--blue);box-shadow:0 0 0 4px var(--blue-soft);
}
.tl-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;margin-bottom:24px;box-shadow:var(--sh);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.tl-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:var(--blue-line);}
.tl-card h3{font-size:20px;line-height:1.4;font-weight:600;margin:12px 0 8px;}
.tl-card p{font-size:15px;line-height:1.75;color:var(--t2);margin-bottom:16px;}
.tl-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t3);margin-top:12px;}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.tl-meta svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;}

/* ---------- split block ---------- */
.split{align-items:center;}
.split-media{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:3/2;background:var(--blue-soft);border:1px solid var(--border);}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h2{font-size:30px;line-height:1.3;font-weight:700;margin-bottom:14px;}
.split-body p{font-size:15.5px;line-height:1.8;color:var(--t2);margin-bottom:18px;}
.dot-list{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:12px;}
.dot-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.7;color:var(--t2);}
.dot-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--blue);}
.split .cell{margin-bottom:28px;}

/* ---------- faq ---------- */
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:var(--blue-line);}
.faq-item[open]{box-shadow:var(--sh);}
.faq-q{
  position:relative;list-style:none;cursor:pointer;padding:18px 56px 18px 22px;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--t1);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{
  content:"";position:absolute;right:22px;top:50%;width:12px;height:2px;
  background:var(--blue);transform:translateY(-50%);transition:transform var(--ease);
}
.faq-q::before{
  content:"";position:absolute;right:27px;top:50%;width:2px;height:12px;
  background:var(--blue);transform:translateY(-50%);transition:transform var(--ease),opacity var(--ease);
}
.faq-item[open] .faq-q::before{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq-item[open] .faq-q::after{transform:translateY(-50%) rotate(180deg);}
.faq-item[open] .faq-q{border-left:3px solid var(--blue);padding-left:19px;}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t2);}

/* ---------- button row ---------- */
.btn-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}

/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 28px;margin-top:24px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{color:#fff;font-size:18px;font-weight:700;margin-bottom:12px;}
.foot-desc{font-size:14px;line-height:1.8;color:var(--footer-sub);margin:0;}
.foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.foot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.foot-list a{color:var(--footer-sub);font-size:14px;}
.foot-list a:hover{color:#fff;}
.foot-note{font-size:13px;line-height:1.8;color:var(--footer-sub);margin:0;}
.foot-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--footer-sub);
}

/* ---------- responsive ---------- */
@media (min-width:1440px){
  :root{--sidebar-w:264px;}
}
@media (max-width:1023px){
  .sidebar{width:84vw;max-width:320px;transform:translateX(-100%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);box-shadow:0 0 40px rgba(16,24,40,.2);}
  .sidebar.is-open{transform:translateX(0);}
  .main{margin-left:0;padding-top:56px;}
  .topbar{display:flex;}
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .cat-hero{padding:56px 0 52px;}
  .cat-hero h1{font-size:30px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .cat-hero h1{font-size:28px;line-height:1.28;}
  .cat-hero .lead{font-size:15.5px;}
  .sec-head h2,.split-body h2{font-size:24px;}
  .tl-item{grid-template-columns:56px 1fr;}
  .tl-card{padding:18px;margin-bottom:18px;}
  .tl-card h3{font-size:18px;}
  .hero-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .tl-item{grid-template-columns:32px 1fr;}
  .tl-dot{width:12px;height:12px;border-width:2px;}
  .btn-row .btn{width:100%;}
  .hero-facts{flex-direction:column;gap:8px;}
  .split-media{aspect-ratio:16/10;}
}

/* roulang page: category2 */
:root{
  --brand:#1B5FD9;
  --brand-dark:#1247AE;
  --brand-soft:#EEF4FF;
  --brand-line:#CBDCFB;
  --accent:#FF6A2B;
  --accent-soft:#FFF1E8;
  --accent-text:#C4470F;
  --live:#E5484D;
  --state-mute:#8B94A7;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --alt:#FBFCFE;
  --border:#E5EAF3;
  --divider:#EEF1F7;
  --t1:#16202F;
  --t2:#5B6577;
  --t3:#8B94A7;
  --foot-bg:#101828;
  --foot-text:#C7CEDB;
  --foot-sub:#8B94A7;
  --r-card:14px;
  --r-sm:10px;
  --sh1:0 2px 10px rgba(22,32,47,.06);
  --sh2:0 10px 26px rgba(22,32,47,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --nav-w:248px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease)}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;
  padding:10px 16px;border-radius:0 0 10px 0;z-index:99
}
.skip-link:focus{left:0;color:#fff}

/* 布局容器 */
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* 侧边导航 */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:22px 18px 20px;z-index:40;
}
.brand{display:block;padding:4px 8px 16px;border-bottom:1px solid var(--divider)}
.brand:hover{text-decoration:none}
.brand-main{display:block;font-size:18px;font-weight:700;color:var(--t1);letter-spacing:0}
.brand-sub{display:block;font-size:12px;line-height:1.5;color:var(--t3);margin-top:2px}
.nav{display:flex;flex-direction:column;gap:6px;margin-top:16px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;
  padding:0 12px;border-radius:var(--r-sm);color:var(--t2);font-size:15px;font-weight:500;
}
.nav-item svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;flex:0 0 auto}
.nav-item:hover{background:#F7FAFF;color:var(--brand-dark);text-decoration:none}
.nav-item.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:-18px;top:9px;bottom:9px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
}
.side-foot{margin-top:auto;padding-top:16px}
.side-card{
  background:var(--accent-soft);border:1px solid #FFDCC7;border-radius:12px;padding:14px 14px 16px;
}
.side-card-title{font-size:14px;font-weight:600;color:var(--accent-text);margin-bottom:4px}
.side-card p{font-size:13px;line-height:1.6;color:var(--t2);margin-bottom:10px}
.side-card .btn{width:100%}

/* 顶部栏与抽屉 */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:50;
  background:#fff;border-bottom:1px solid var(--border);box-shadow:0 2px 8px rgba(22,32,47,.05);
  align-items:center;gap:10px;padding:0 12px;
}
.topbar-brand{flex:1 1 auto;min-width:0}
.topbar-brand b{display:block;font-size:15px;font-weight:700;color:var(--t1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-brand span{display:block;font-size:11px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid transparent;background:transparent;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--t1);
  transition:background var(--ease),border-color var(--ease)
}
.icon-btn svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8}
.icon-btn:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-dark)}
.icon-btn:active{transform:translateY(1px)}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:320px;background:#fff;z-index:60;
  transform:translateX(-102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:20px 16px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-foot{margin-top:auto;padding-top:18px}
.scrim{
  position:fixed;inset:0;background:rgba(16,24,40,.45);z-index:55;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease)
}
.scrim.is-open{opacity:1;visibility:visible}

/* 主区 */
.main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.section{padding:48px 0}
.sec-head{margin-bottom:26px}
.sec-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--t1)}
.sec-sub{font-size:15px;color:var(--t2);margin-top:8px;max-width:760px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* 栅格 */
.grid-x.g-gut{margin-left:-12px;margin-right:-12px}
.grid-x.g-gut > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.grid-x.g-gut > .cell:last-child{margin-bottom:24px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;text-decoration:none;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh1)}
.btn-accent{background:var(--accent);color:#fff;font-size:16px;font-weight:700}
.btn-accent:hover{background:#E85A1F;color:#fff;box-shadow:var(--sh2)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--t1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);
  background:none;border:0;padding:0;cursor:pointer;font-size:15px
}
.btn-text i{display:inline-block;transition:transform var(--ease)}
.btn-text:hover i{transform:translateX(2px)}

/* 标签与徽章 */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;letter-spacing:.02em;font-weight:600
}
.tag-accent{background:var(--accent-soft);color:var(--accent-text)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.02em
}
.badge-preview{background:var(--brand-soft);color:var(--brand)}
.badge-live{background:#FDECEC;color:#B3262A}
.badge-done{background:#F1F3F7;color:var(--state-mute)}

/* 页面题头 */
.page-head{
  background:#fff;border-bottom:1px solid var(--border);
  padding:26px 0 30px;position:relative;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;right:-80px;top:-120px;width:360px;height:260px;
  background:var(--brand-soft);transform:rotate(-12deg);border-radius:60px;opacity:.75;pointer-events:none
}
.page-head .container{position:relative;z-index:2}
.crumbs{font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.crumbs a{color:var(--t3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--t1)}
.head-row{align-items:flex-start}
.page-head h1{font-size:34px;line-height:1.3;font-weight:700;margin:12px 0 10px}
.head-lead{font-size:16px;line-height:1.8;color:var(--t2);max-width:680px}
.mini-card{
  background:var(--accent-soft);border:1px solid #FFDCC7;border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh1)
}
.mini-card .mini-title{font-size:16px;font-weight:700;color:var(--accent-text);margin-bottom:6px}
.mini-card p{font-size:14px;line-height:1.7;color:var(--t2);margin-bottom:12px}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-top:8px}
.step{position:relative;padding-top:4px}
.step::before{
  content:"";position:absolute;left:-40px;top:20px;width:40px;
  border-top:1px dashed var(--brand-line)
}
.step:first-child::before{display:none}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand);font-weight:700;font-size:15px;font-family:var(--mono)
}
.step.is-current .step-no{background:var(--brand);color:#fff}
.step h3{font-size:16px;font-weight:600;margin:12px 0 6px;color:var(--t1)}
.step p{font-size:13px;line-height:1.65;color:var(--t3)}

/* 矩阵卡片 */
.mcard{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;height:100%;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)
}
.mcard:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:var(--brand-line)}
.mcard-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px
}
.mcard-icon svg{width:24px;height:24px;fill:none;stroke:var(--brand);stroke-width:1.7}
.mcard h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:8px}
.mcard p{font-size:14px;line-height:1.7;color:var(--t2);margin-bottom:14px}
.mcard-list li{font-size:13px;line-height:1.6;color:var(--t3);padding-left:14px;position:relative;margin-bottom:4px}
.mcard-list li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:2px;background:var(--brand-line)}

/* 图文块 */
.figure-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh1);height:100%
}
.figure-card img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:12px}
.figure-cap{font-size:13px;color:var(--t3);margin-top:10px}
.text-block h2{font-size:24px;line-height:1.35;font-weight:700;margin-bottom:12px}
.text-block p{font-size:15px;line-height:1.8;color:var(--t2);margin-bottom:16px}
.check-list li{
  position:relative;padding-left:28px;font-size:15px;line-height:1.75;color:var(--t2);margin-bottom:10px
}
.check-list li svg{
  position:absolute;left:0;top:4px;width:18px;height:18px;fill:none;stroke:var(--brand);stroke-width:2
}

/* 对照区 */
.compare-card{
  position:relative;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);padding:22px 22px 22px 26px;height:100%;box-shadow:var(--sh1)
}
.compare-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0
}
.compare-card h3{font-size:18px;font-weight:600;margin-bottom:12px}
.compare-card li{
  position:relative;padding-left:26px;font-size:14px;line-height:1.7;color:var(--t2);margin-bottom:10px
}
.compare-card li svg{position:absolute;left:0;top:4px;width:16px;height:16px;fill:none;stroke:var(--brand);stroke-width:2}
.compare-note{font-size:13px;color:var(--t3);margin-top:6px}

/* FAQ */
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)
}
.faq-item:hover{border-color:var(--brand-line)}
.faq-item[open]{box-shadow:var(--sh1);border-color:var(--brand-line)}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:16px 20px;font-size:16px;font-weight:600;color:var(--t1);
  transition:color var(--ease),background var(--ease)
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--alt)}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--brand);font-weight:400;
  transition:transform var(--ease);flex:0 0 auto
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--t2)}

/* CTA */
.cta-band{
  background:var(--brand-soft);border:1px solid var(--brand-line);border-radius:16px;
  padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:24px
}
.cta-band h2{font-size:24px;line-height:1.35;font-weight:700;margin-bottom:8px}
.cta-band p{font-size:15px;line-height:1.75;color:var(--t2);max-width:620px}

/* 页脚 */
.site-footer{background:var(--foot-bg);color:var(--foot-text);margin-top:auto;padding:56px 0 22px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand{font-size:17px;font-weight:700;color:#fff;margin-bottom:10px}
.foot-desc{font-size:14px;line-height:1.75;color:var(--foot-sub)}
.foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:12px}
.foot-list li{margin-bottom:8px}
.foot-list a{font-size:14px;color:var(--foot-sub)}
.foot-list a:hover{color:#fff;text-decoration:none}
.foot-note{font-size:13px;line-height:1.75;color:var(--foot-sub)}
.foot-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--foot-sub)
}

/* 响应式 */
@media (min-width:1440px){
  :root{--nav-w:264px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:56px}
  .container{padding:0 24px}
  .section{padding:40px 0}
  .page-head{padding:24px 0 28px}
  .page-head h1{font-size:28px}
  .page-head::after{display:none}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px}
  .step:nth-child(3)::before{display:none}
  .step::before{left:-28px;width:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:34px 0}
  .sec-head h2{font-size:24px}
  .page-head h1{font-size:24px;line-height:1.32}
  .head-lead{font-size:15px}
  .steps{grid-template-columns:1fr;gap:22px}
  .step::before{display:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:24px}
  .cta-band .btn{width:100%}
  .mini-card .btn{width:100%}
  .mcard{padding:20px}
}
@media (max-width:560px){
  body{font-size:15px}
  .page-head h1{font-size:22px}
  .sec-head h2{font-size:22px}
  .foot-grid{grid-template-columns:1fr}
  .footer-stack .btn{width:100%}
  .btn{height:46px;width:100%}
  .btn-text{width:auto;height:auto}
  .badge,.tag{font-size:12px}
}