/* roulang page: index */
:root{
  --primary:#1257C6;
  --primary-deep:#0A3A85;
  --primary-soft:#E9F0FE;
  --accent:#16A97A;
  --accent-soft:#E8F7F1;
  --signal:#FF7A1A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ink:#0B1524;
  --line:#E3E9F2;
  --line-soft:#EEF2F8;
  --t1:#0F1B2D;
  --t2:#33445E;
  --t3:#6C7C93;
  --t4:#94A1B4;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,35,66,.06);
  --sh-2:0 14px 32px rgba(16,35,66,.14);
  --sh-3:0 22px 48px rgba(16,35,66,.16);
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-deep)}
img{max-width:100%;display:block;border-radius:var(--r-img);background:#E7ECF3}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--t1);font-size:19px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;display:grid;place-items:center;font-size:15px;
}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--t2);transition:color var(--ease),transform var(--ease)}
.nav-link:hover{color:var(--primary);transform:translateY(-1px)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--t1);font-size:17px;align-items:center;justify-content:center;transition:border-color var(--ease),color var(--ease)}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;line-height:1;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#0F4DB1;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-secondary{background:#fff;color:var(--t1);border-color:var(--line)}
.btn-secondary:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-light{background:#fff;color:var(--primary-deep)}
.btn-light:hover{background:#fff;color:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;line-height:1;white-space:nowrap}
.badge-cat{background:var(--accent-soft);color:var(--accent)}
.badge-blue{background:var(--primary-soft);color:var(--primary)}
.badge-live{background:var(--signal);color:#fff}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.chip{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid rgba(255,255,255,.35);color:rgba(255,255,255,.9);font-size:13px;transition:all var(--ease)}
.chip:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-more:hover{color:var(--primary-deep);text-decoration:underline;text-underline-offset:4px}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;background:#0B1524;min-height:600px;display:flex;flex-direction:column;justify-content:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.92}
.hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,21,36,.96) 0%,rgba(11,21,36,.84) 44%,rgba(11,21,36,.28) 100%)}
.hero-top{position:relative;z-index:2;padding:96px 0 40px}
.hero-copy{max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:700;color:#fff;letter-spacing:-.5px;margin-bottom:18px}
.hero-sub{font-size:clamp(16px,1.5vw,19px);line-height:1.8;color:rgba(255,255,255,.8);max-width:620px;margin-bottom:30px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.hero-strip{position:relative;z-index:2;padding-bottom:36px}

/* ---------- 横滑轨道 ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;-ms-overflow-style:none;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 260px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:block;
  transition:transform var(--ease),box-shadow var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rail-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7ECF3}
.rail-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease)}
.rail-card:hover .rail-thumb img{transform:scale(1.04)}
.rail-thumb .badge{position:absolute;left:10px;top:10px}
.rail-body{padding:14px 15px 16px}
.rail-body h3{font-size:15px;line-height:1.5;font-weight:600;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card:hover h3{color:var(--primary)}
.rail-meta{display:flex;gap:10px;margin-top:8px;font-size:12px;color:var(--t4);font-variant-numeric:tabular-nums}

/* ---------- 板块骨架 ---------- */
.section{padding:72px 0}
.section-alt{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;color:var(--t1)}
.section-head p{font-size:15px;color:var(--t3);margin-top:8px;max-width:720px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* ---------- 通用卡片 ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7ECF3}
.card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease)}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-thumb .badge{position:absolute;left:12px;top:12px}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--primary)}
.card-body .desc{font-size:14px;line-height:1.75;color:var(--t3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px;font-size:13px;color:var(--t4);font-variant-numeric:tabular-nums}

/* ---------- 热播推荐 ---------- */
.split{display:grid;grid-template-columns:2fr 1fr;gap:24px}
.feature{position:relative;border-radius:var(--r-card);overflow:hidden;min-height:420px;display:flex;align-items:flex-end;background:#0B1524;box-shadow:var(--sh-2)}
.feature-img{position:absolute;inset:0;background-size:cover;background-position:center}
.feature-ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,21,36,.06) 18%,rgba(11,21,36,.9) 100%)}
.feature-body{position:relative;z-index:2;padding:32px;display:flex;flex-direction:column;align-items:flex-start;gap:14px;color:#fff}
.feature-body h3{font-size:24px;line-height:1.35;font-weight:700;color:#fff}
.feature-body p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px}
.mini-list{display:flex;flex-direction:column;gap:20px}
.mini-card{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:14px;box-shadow:var(--sh-1);flex:1;transition:transform var(--ease),box-shadow var(--ease)}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.mini-thumb{flex:0 0 116px;width:116px;aspect-ratio:16/11;border-radius:10px;overflow:hidden;background:#E7ECF3}
.mini-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.mini-body{display:flex;flex-direction:column;gap:8px;justify-content:center}
.mini-body h3{font-size:15px;line-height:1.55;font-weight:600;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card:hover h3{color:var(--primary)}
.mini-body .mini-meta{font-size:12px;color:var(--t4);font-variant-numeric:tabular-nums}

/* ---------- 栏目卡片 ---------- */
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease)}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.cat-thumb{aspect-ratio:16/10;overflow:hidden;background:#E7ECF3}
.cat-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease)}
.cat-card:hover .cat-thumb img{transform:scale(1.04)}
.cat-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.cat-body h3{font-size:18px;font-weight:700;color:var(--t1)}
.cat-card:hover .cat-body h3{color:var(--primary)}
.cat-body .cat-desc{font-size:14px;line-height:1.75;color:var(--t3)}
.cat-body .link-more{margin-top:auto;padding-top:10px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.stat{background:#fff;padding:26px 22px}
.stat .n{font-size:32px;line-height:1.2;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.stat .n small{font-size:15px;font-weight:600;margin-left:4px;color:var(--primary)}
.stat .l{font-size:14px;color:var(--t3);margin-top:6px}

/* ---------- 最新信息列表 ---------- */
.post-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);min-height:186px;transition:transform var(--ease),box-shadow var(--ease);border-left:3px solid var(--primary-soft)}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-left-color:var(--primary)}
.post-card h3{font-size:17px;line-height:1.55;font-weight:700;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover h3{color:var(--primary)}
.post-card .excerpt{font-size:14px;line-height:1.75;color:var(--t3);display:-webkit-box;-webkit-line-clamp:2;-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(--t4);font-variant-numeric:tabular-nums}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:52px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);color:var(--t3);font-size:15px;text-align:center}
.empty-state i{font-size:26px;color:var(--t4)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line-soft)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--t1);transition:color var(--ease)}
.faq-q:hover{color:var(--primary)}
.faq-q i{flex:0 0 auto;font-size:14px;color:var(--t4);transition:transform var(--ease),color var(--ease)}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--t2)}

/* ---------- CTA ---------- */
.cta-band{position:relative;border-radius:20px;overflow:hidden;background:var(--ink);padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.2}
.cta-ov{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,58,133,.92) 0%,rgba(11,21,36,.72) 100%)}
.cta-content{position:relative;z-index:2;max-width:620px;color:#fff}
.cta-content h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff}
.cta-content p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.8);margin-top:10px}
.cta-band .btn{position:relative;z-index:2;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);margin-top:72px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px;border-radius:9px}
.footer-desc{font-size:14px;line-height:1.9;max-width:330px;color:rgba(255,255,255,.7)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links a{display:block;font-size:14px;line-height:36px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--accent)}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7)}
.footer-contact strong{display:block;color:#fff;font-weight:600;margin-bottom:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer-mask{position:absolute;inset:0;background:rgba(11,21,36,.55);opacity:0;transition:opacity var(--ease)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;display:flex;flex-direction:column;transform:translateX(100%);transition:transform 240ms ease-out;box-shadow:var(--sh-3)}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer-mask{opacity:1}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--t1);font-size:17px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);display:grid;place-items:center;color:var(--t2)}
.drawer-close:hover{border-color:var(--primary);color:var(--primary)}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0}
.drawer-link{display:block;padding:0 20px;font-size:17px;line-height:52px;color:var(--t2);border-bottom:1px solid var(--line)}
.drawer-link:hover{color:var(--primary);background:#F7FAFF}
.drawer-link.is-active{color:var(--primary);font-weight:600}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--line)}
body.no-scroll{overflow:hidden}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .split{grid-template-columns:1fr}
  .feature{min-height:340px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px}
  .header-inner{height:64px}
  .brand{font-size:17px}
  .hero{min-height:420px}
  .hero-top{padding:72px 0 28px}
  .hero-sub{margin-bottom:24px}
  .hero-btns{gap:10px}
  .hero-btns .btn{width:100%}
  .section,.section-alt{padding:44px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:23px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .rail-card{flex:0 0 200px}
  .feature-body{padding:22px}
  .feature-body h3{font-size:19px}
  .mini-card{flex-direction:row}
  .mini-thumb{flex:0 0 96px;width:96px}
  .faq-q{padding:18px}
  .faq-a p{padding:0 18px 20px}
  .cta-band{flex-direction:column;align-items:stretch;padding:32px 22px;border-radius:16px;text-align:left}
  .cta-content h2{font-size:22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:48px;margin-top:44px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --primary:#1257C6;
  --primary-deep:#0A3A85;
  --accent:#16A97A;
  --signal:#FF7A1A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ink:#0B1524;
  --line:#E3E9F2;
  --line-soft:#EEF2F8;
  --t1:#0F1B2D;
  --t2:#33445E;
  --t3:#6C7C93;
  --t4:#94A1B4;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,35,66,.06);
  --sh-2:0 14px 32px rgba(16,35,66,.14);
  --sh-3:0 22px 48px rgba(16,35,66,.16);
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
}
body.nav-locked{overflow:hidden;}
img{max-width:100%;display:block;border-radius:var(--r-img);background:#E7ECF3;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-deep);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.35;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(18,87,198,.18);}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:100;
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(16,35,66,.10);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--t1);letter-spacing:.01em;white-space:nowrap;}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;transition:color var(--ease),transform var(--ease);}
.nav-link:hover{color:var(--primary);transform:translateY(-1px);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--primary);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--t1);font-size:17px;cursor:pointer;transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:all var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(18,87,198,.22);}
.btn-primary:hover{background:#0E4CAE;color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 8px rgba(18,87,198,.20);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--t1);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary-deep);}
.btn-light:hover{background:#EAF1FE;color:var(--primary-deep);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.2;}
.badge-cat{background:#E8F7F1;color:var(--accent);}
.badge-col{background:#E9F0FE;color:var(--primary);}
.badge-live{background:var(--signal);color:#fff;}
.chip{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--t2);font-size:13px;font-weight:500;transition:all var(--ease);}
.chip:hover{border-color:var(--primary);color:var(--primary);background:#F5F9FF;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--t3);padding:22px 0 0;}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;}
.breadcrumb .sep{color:var(--t4);}
.crumb-current{color:var(--t2);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章主体 ============ */
.article-layout{padding:24px 0 8px;}
.article-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:36px 40px 32px;
}
.article-title{font-size:38px;line-height:1.3;max-width:860px;margin:16px 0 0;letter-spacing:-.01em;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  margin-top:22px;padding-top:16px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--t3);font-weight:500;
}
.article-meta i{color:var(--t4);margin-right:5px;}
.meta-share{margin-left:auto;display:flex;align-items:center;gap:10px;}
.meta-share span.share-label{font-size:13px;color:var(--t4);}
.meta-share a{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--t3);font-size:13px;}
.meta-share a:hover{border-color:var(--primary);color:var(--primary);background:#F5F9FF;}

.article-content{font-size:16px;line-height:1.9;color:var(--t2);margin-top:30px;word-break:break-word;}
.article-content p{margin:0 0 20px;}
.article-content h2{font-size:24px;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--primary);line-height:1.45;}
.article-content h3{font-size:20px;margin:28px 0 12px;}
.article-content h4{font-size:17px;margin:22px 0 10px;color:var(--t1);}
.article-content img{border-radius:var(--r-img);margin:24px auto;max-width:100%;height:auto;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px;}
.article-content blockquote{
  margin:24px 0;padding:20px;border-left:3px solid var(--primary);
  background:#F7FAFF;border-radius:0 var(--r-img) var(--r-img) 0;color:var(--t2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content ul,.article-content ol{padding-left:22px;margin:0 0 20px;list-style:revert;}
.article-content li{margin-bottom:10px;padding-left:2px;}
.article-content ul li::marker{color:var(--primary);}
.article-content ol li::marker{color:var(--primary);font-weight:700;}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-content strong{color:var(--t1);}
.article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-img);}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;min-width:120px;}
.article-content th{background:#F2F6FC;color:var(--t1);font-weight:700;}
.article-content tr:nth-child(even) td{background:#FAFCFF;}
.article-empty{text-align:center;padding:56px 16px;border:1px dashed var(--line);border-radius:var(--r-card);background:#FBFDFF;}
.article-empty i{font-size:32px;color:var(--t4);}
.article-empty p{font-size:16px;color:var(--t3);margin:14px 0 20px;}

/* ============ 文末 ============ */
.article-foot{margin-top:36px;padding-top:24px;border-top:1px solid var(--line-soft);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px;}
.tag-row .tag-label{font-size:13px;color:var(--t4);font-weight:700;}
.nav-posts{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.nav-post{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;transition:all var(--ease);
}
.nav-post:hover{border-color:var(--primary);box-shadow:var(--sh-2);transform:translateY(-3px);}
.nav-post .np-label{font-size:12px;color:var(--t4);font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.nav-post .np-title{font-size:15px;font-weight:700;color:var(--t1);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.nav-post.np-next{text-align:right;}
.nav-post.np-next .np-label{justify-content:flex-end;}
.back-row{display:flex;justify-content:center;margin-top:28px;}

/* ============ 侧栏 ============ */
.article-sidebar{display:none;}
.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;margin-bottom:24px;}
.sidebar-title{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--t1);margin-bottom:16px;}
.sidebar-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--primary);}
.hot-list li+li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);}
.hot-item{display:flex;gap:12px;align-items:flex-start;}
.hot-item img{width:76px;height:56px;flex:0 0 76px;object-fit:cover;border-radius:10px;}
.hot-item .hi-title{font-size:14px;font-weight:700;color:var(--t1);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-item:hover .hi-title{color:var(--primary);}
.hot-item .hi-meta{font-size:12px;color:var(--t4);margin-top:6px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.side-note{font-size:13px;color:var(--t3);line-height:1.8;margin:0;}
.side-cta{background:linear-gradient(150deg,var(--primary-deep),var(--primary));border:0;color:#fff;}
.side-cta .sidebar-title{color:#fff;}
.side-cta .sidebar-title::before{background:var(--accent);}
.side-cta p{color:rgba(255,255,255,.82);font-size:13.5px;line-height:1.8;margin-bottom:16px;}

/* ============ 相关推荐 ============ */
.section{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:28px;}
.section-head p{font-size:14px;color:var(--t3);margin:8px 0 0;}
.link-more{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more:hover{gap:10px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;height:100%;display:flex;flex-direction:column;transition:all var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D7E2F2;}
.card-media{position:relative;overflow:hidden;background:#E7ECF3;aspect-ratio:16/9;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body h3 a{color:var(--t1);}
.card-body h3 a:hover{color:var(--primary);}
.card-body p{font-size:14px;color:var(--t3);line-height:1.75;margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--t4);font-weight:500;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:8px 28px;}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:700;color:var(--t1);transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-arrow{flex:0 0 auto;color:var(--t3);transition:transform var(--ease);}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--primary);}
.faq-panel{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--t2);margin:0;}

/* ============ CTA ============ */
.cta-band{
  margin-top:72px;background:var(--ink);border-radius:20px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  background-image:linear-gradient(90deg,rgba(11,21,36,.94),rgba(11,21,36,.76)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:560px;line-height:1.85;}

/* ============ 页脚 ============ */
.site-footer{margin-top:80px;background:var(--ink);color:#C9D4E4;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.9;color:#93A3BA;margin:0;max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{color:#A9B7CC;font-size:14px;line-height:36px;transition:color var(--ease),padding-left var(--ease);}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-contact{font-size:14px;line-height:1.95;color:#A9B7CC;}
.footer-contact strong{display:block;color:#fff;font-weight:700;margin-bottom:6px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E8DA6;
}

/* ============ 响应式 ============ */
@media screen and (min-width:1024px){
  .article-sidebar{display:block;}
  .sidebar-sticky{position:sticky;top:96px;}
}
@media screen and (max-width:1023px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .header-inner{height:64px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:64px;right:0;width:290px;max-width:86vw;height:calc(100vh - 64px);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 22px 32px;transform:translateX(105%);
    transition:transform 240ms ease-out;box-shadow:var(--sh-3);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{font-size:17px;line-height:52px;padding:0;border-bottom:1px solid var(--line);}
  .nav-link.is-active::after{display:none;}
  .btn-sm{display:none;}
  .article-wrap{padding:26px 22px 24px;}
  .article-title{font-size:26px;}
  .meta-share{margin-left:0;width:100%;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:24px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:767px){
  .section{padding-top:44px;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:22px;}
  .article-title{font-size:23px;}
  .article-content{font-size:15.5px;}
  .article-content h2{font-size:20px;}
  .nav-posts{grid-template-columns:1fr;}
  .nav-post.np-next{text-align:left;}
  .nav-post.np-next .np-label{justify-content:flex-start;}
  .faq-wrap{padding:6px 20px;}
  .brand{font-size:17px;}
}
@media screen and (max-width:520px){
  .crumb-current{max-width:24ch;}
  .article-meta{gap:12px;}
  .btn{width:100%;}
  .back-row .btn{width:auto;}
}

/* roulang page: category1 */
:root{
  --primary:#1257C6;
  --primary-deep:#0A3A85;
  --accent:#16A97A;
  --signal:#FF7A1A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ink:#0B1524;
  --line:#E3E9F2;
  --line-soft:#EEF2F8;
  --t1:#0F1B2D;
  --t2:#33445E;
  --t3:#6C7C93;
  --t4:#94A1B4;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,35,66,.06);
  --sh-2:0 14px 32px rgba(16,35,66,.14);
  --sh-3:0 22px 48px rgba(16,35,66,.16);
  --ease:160ms ease-out;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;background:#E7ECF3;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(18,87,198,.18);}

.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(18,87,198,.24);}
.btn-primary:hover{background:#0F4CAF;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,87,198,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(18,87,198,.2);}
.btn-ghost{background:#fff;color:var(--t1);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{background:#EAF1FE;color:var(--primary-deep);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
}
.badge-cat{background:#E8F7F1;color:#0E8662;}
.badge-col{background:#E9F0FE;color:var(--primary);}
.badge-live{background:var(--signal);color:#fff;}
.badge-live i{font-size:8px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(16,35,66,.12);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--t1);
  letter-spacing:.2px;
}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;
  font-size:15px;
  flex:none;
}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--t2);
  padding:6px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width var(--ease);
}
.nav-link:hover{color:var(--primary);transform:translateY(-1px);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--t1);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.nav-backdrop{
  position:fixed;
  inset:0;
  background:rgba(11,21,36,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:39;
}
body.nav-open .nav-backdrop{opacity:1;visibility:visible;}
body.nav-open{overflow:hidden;}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  color:#fff;
  background-image:linear-gradient(90deg,rgba(11,21,36,.94) 0%,rgba(11,21,36,.8) 44%,rgba(11,21,36,.3) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  background-color:#0B1524;
}
.page-hero-inner{
  min-height:320px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-top:44px;
  padding-bottom:56px;
  max-width:720px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{color:rgba(255,255,255,.4);}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,4vw,40px);
  line-height:1.2;
  letter-spacing:.3px;
}
.hero-lead{
  margin-top:14px;
  font-size:17px;
  line-height:1.75;
  color:rgba(255,255,255,.82);
  max-width:620px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 13px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  font-size:13px;
  font-weight:500;
}
.hero-chip.badge-live{border-color:transparent;}

/* ---------- 数据条 ---------- */
.stat-strip{margin-top:-44px;position:relative;z-index:5;padding-bottom:8px;}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:26px 28px;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat-item{border-left:3px solid var(--primary);padding-left:16px;}
.stat-item:nth-child(2){border-color:var(--accent);}
.stat-item:nth-child(3){border-color:var(--primary-deep);}
.stat-item:nth-child(4){border-color:var(--signal);}
.stat-num{font-size:26px;font-weight:700;color:var(--t1);line-height:1.2;}
.stat-num span{font-size:14px;font-weight:600;color:var(--t3);margin-left:2px;}
.stat-label{font-size:13px;color:var(--t3);margin-top:4px;font-weight:500;}

/* ---------- 筛选行 ---------- */
.filter-bar{padding:34px 0 6px;}
.filter-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:none;
}
.filter-scroll::-webkit-scrollbar{display:none;}
.filter-chip{
  flex:none;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--t2);
  font-size:14px;
  font-weight:500;
  transition:all var(--ease);
}
.filter-chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.filter-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(18,87,198,.24);}

/* ---------- 板块标题 ---------- */
.block-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.block-head h2{font-size:26px;line-height:1.3;}
.block-head .block-sub{font-size:14px;color:var(--t3);margin-top:6px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  flex:none;
}
.link-more:hover{gap:11px;}

/* ---------- 内容卡片 ---------- */
.scard{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D5E0F0;}
.scard-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#E7ECF3;
}
.scard-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 320ms ease-out;
}
.scard:hover .scard-media img{transform:scale(1.04);}
.scard-media .badge{position:absolute;top:12px;left:12px;box-shadow:0 4px 12px rgba(11,21,36,.18);}
.scard-media .media-live{position:absolute;top:12px;right:12px;}
.scard-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.scard-title{
  font-size:17px;
  line-height:1.5;
  font-weight:700;
  color:var(--t1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.scard-title a{color:inherit;}
.scard-title a:hover{color:var(--primary);}
.scard-desc{
  margin-top:9px;
  font-size:14px;
  line-height:1.75;
  color:var(--t3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.scard-meta{
  margin-top:auto;
  padding-top:14px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--t4);
  border-top:1px solid var(--line-soft);
  margin-top:16px;
}
.scard-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

/* ---------- 分页 ---------- */
.pager{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:38px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:none;
}
.pager::-webkit-scrollbar{display:none;}
.pager a,.pager span{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:44px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t2);
  font-size:14px;
  font-weight:600;
  transition:all var(--ease);
}
.pager a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.pager .current{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(18,87,198,.24);}

/* ---------- 侧栏 ---------- */
.side-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px;
  margin-bottom:24px;
}
.side-block h3{
  font-size:17px;
  padding-bottom:14px;
  margin-bottom:6px;
  border-bottom:1px solid var(--line-soft);
}
.rank-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:none;padding-bottom:2px;}
.rank-no{
  flex:none;
  width:24px;
  height:24px;
  border-radius:8px;
  background:#E9F0FE;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:2px;
}
.rank-list li:nth-child(1) .rank-no{background:var(--primary);color:#fff;}
.rank-list li:nth-child(2) .rank-no{background:#DCE7FB;color:var(--primary-deep);}
.rank-list li:nth-child(3) .rank-no{background:#E8F7F1;color:#0E8662;}
.rank-title{
  font-size:14px;
  font-weight:600;
  line-height:1.6;
  color:var(--t1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rank-title a{color:inherit;}
.rank-title a:hover{color:var(--primary);}
.rank-meta{font-size:12px;color:var(--t4);margin-top:5px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px;}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  padding:6px 13px;
  border-radius:999px;
  background:#F4F7FC;
  border:1px solid var(--line);
  color:var(--t2);
  font-size:13px;
  transition:all var(--ease);
}
.tag-cloud a:hover{background:#E9F0FE;border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.side-note{
  background:linear-gradient(160deg,var(--primary-deep) 0%,#0C2E6B 100%);
  color:#fff;
  border:none;
}
.side-note h3{color:#fff;border-bottom-color:rgba(255,255,255,.2);}
.side-note p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.8);margin-top:14px;}
.side-note .btn{margin-top:18px;width:100%;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line-soft);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:22px 26px;
  background:transparent;
  border:none;
  cursor:pointer;
  font-size:16px;
  font-weight:700;
  color:var(--t1);
  line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-q .faq-icon{
  flex:none;
  width:28px;
  height:28px;
  border-radius:50%;
  background:#F1F5FC;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  transition:transform var(--ease),background-color var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:#E9F0FE;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 280ms ease-out;
}
.faq-a-inner{
  padding:0 26px 24px;
  font-size:15px;
  line-height:1.9;
  color:var(--t2);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  padding:56px;
  background-image:linear-gradient(100deg,rgba(11,21,36,.94) 0%,rgba(10,58,133,.88) 60%,rgba(18,87,198,.78) 100%),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;
  background:#0B1524;
  color:#C6D1E1;
  padding:64px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:#fff;
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:#93A3B8;
  max-width:360px;
}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  display:inline-block;
  font-size:14px;
  line-height:36px;
  color:#93A3B8;
}
.footer-links a:hover{color:var(--accent);}
.footer-contact{font-size:14px;line-height:1.95;color:#93A3B8;}
.footer-contact strong{display:block;color:#E4EBF5;font-size:14px;margin-bottom:6px;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#7C8CA3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
}
@media (max-width:860px){
  .header-inner{height:64px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    z-index:40;
    width:300px;
    max-width:86vw;
    height:100%;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:96px 22px 28px;
    box-shadow:-18px 0 44px rgba(11,21,36,.2);
    transform:translateX(100%);
    transition:transform 280ms ease-out;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    font-size:17px;
    line-height:52px;
    padding:0;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .main-nav .btn{margin-top:22px;width:100%;}
  .header-actions .btn{display:none;}
  .page-hero-inner{min-height:280px;padding-top:36px;padding-bottom:64px;}
  .hero-lead{font-size:15px;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:44px 0;}
  .stat-strip{margin-top:-36px;}
  .stat-card{padding:20px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .stat-num{font-size:22px;}
  .block-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .block-head h2{font-size:22px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr;}
  .page-hero h1{font-size:26px;}
}

/* roulang page: category2 */
:root{
  --primary:#1257C6;
  --primary-deep:#0A3A85;
  --accent:#16A97A;
  --signal:#FF7A1A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ink:#0B1524;
  --line:#E3E9F2;
  --line-soft:#EEF2F8;
  --t1:#0F1B2D;
  --t2:#33445E;
  --t3:#6C7C93;
  --t4:#94A1B4;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,35,66,.06);
  --shadow-2:0 14px 32px rgba(16,35,66,.14);
  --shadow-3:0 22px 48px rgba(16,35,66,.16);
  --ease:160ms ease-out;
  --pad-section:72px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:.01em;}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease),transform var(--ease);}
a:hover{color:var(--primary-deep);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(16,35,66,.10);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--t1);
  white-space:nowrap;
}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;font-size:15px;flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--t2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--primary);border-radius:2px;transition:width var(--ease);
}
.nav-link:hover{color:var(--primary);transform:translateY(-1px);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--t1);
  font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(18,87,198,.22);}
.btn-primary:hover{background:#0F4CAF;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(18,87,198,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(18,87,198,.20);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--t1);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary-deep);}
.btn-light:hover{background:#EAF1FF;color:var(--primary-deep);transform:translateY(-2px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.7;
}
.badge-accent{background:#E8F7F1;color:var(--accent);}
.badge-blue{background:#E9F0FE;color:var(--primary);}
.badge-signal{background:var(--signal);color:#fff;}
.badge-hero{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,21,36,.94) 0%,rgba(11,21,36,.76) 46%,rgba(11,21,36,.28) 100%);
}
.page-hero .grid-container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px;width:100%;}
.hero-block{max-width:720px;}
.hero-block h1{
  color:#fff;
  font-size:38px;line-height:1.25;
  margin:16px 0 14px;
}
.hero-lead{font-size:17px;color:rgba(255,255,255,.82);max-width:640px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  margin-top:26px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stat{color:#fff;}
.hero-stat b{display:block;font-size:24px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.68);}

/* ---------- 筛选行 ---------- */
.filter-bar{
  background:#fff;border-bottom:1px solid var(--line);
}
.filter-track{
  display:flex;gap:10px;align-items:center;
  padding:16px 0;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-track::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--t2);
  white-space:nowrap;
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--pad-section) 0;}
.section-tight{padding:52px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:32px;
}
.section-head h2{font-size:28px;line-height:1.3;}
.section-head .section-sub{margin-top:8px;font-size:15px;color:var(--t3);}
.section-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;
}
.section-more:hover{gap:10px;color:var(--primary-deep);}

/* ---------- 栏目特点卡 ---------- */
.feature-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.feature-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6E0F0;}
.feature-icon{
  width:46px;height:46px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#E9F0FE;color:var(--primary);font-size:18px;
  margin-bottom:16px;
}
.feature-card h3{font-size:18px;margin-bottom:10px;}
.feature-card p{font-size:15px;color:var(--t2);}

/* ---------- 单列信息流 ---------- */
.feed{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:8px 30px;
  box-shadow:var(--shadow-1);
}
.feed-item{
  display:grid;grid-template-columns:320px 1fr;gap:28px;
  padding:28px 0;
  border-bottom:1px solid var(--line-soft);
}
.feed-item:last-child{border-bottom:0;}
.feed-thumb{
  position:relative;display:block;
  aspect-ratio:16 / 9;border-radius:var(--radius-img);
  overflow:hidden;background:#E7ECF3;
}
.feed-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease-out;}
.feed-item:hover .feed-thumb img{transform:scale(1.04);}
.feed-thumb .badge{position:absolute;left:10px;top:10px;z-index:2;}
.feed-body{display:flex;flex-direction:column;}
.feed-title{font-size:18px;line-height:1.5;}
.feed-title a{color:var(--t1);}
.feed-title a:hover{color:var(--primary);}
.feed-desc{
  margin-top:10px;font-size:15px;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.feed-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:auto;padding-top:16px;
  font-size:13px;color:var(--t3);
}
.feed-meta span{display:inline-flex;align-items:center;gap:6px;}
.feed-meta i{color:var(--t4);}
.feed-link{
  margin-left:auto;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.feed-link:hover{gap:10px;color:var(--primary-deep);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line-soft);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;background:transparent;border:0;
  font-size:16px;font-weight:700;color:var(--t1);text-align:left;cursor:pointer;
  transition:color var(--ease),background-color var(--ease);
}
.faq-q:hover{color:var(--primary);background:#FAFCFF;}
.faq-q i{color:var(--t3);font-size:13px;transition:transform var(--ease),color var(--ease);}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 260ms ease-out;
}
.faq-a p{padding:0 26px 22px;font-size:15px;line-height:1.9;color:var(--t2);}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--pad-section);}
.cta-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:linear-gradient(120deg,var(--ink) 0%,var(--primary-deep) 100%);
  border-radius:20px;
  padding:56px;
  overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,169,122,.35) 0%,rgba(22,169,122,0) 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:26px;line-height:1.35;}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15px;}
.cta-inner .btn{position:relative;z-index:2;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;
}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  font-size:14px;line-height:36px;color:rgba(255,255,255,.68);
}
.footer-links a:hover{color:var(--accent);}
.footer-contact{font-size:14px;line-height:1.95;color:rgba(255,255,255,.68);}
.footer-contact strong{display:block;color:#fff;font-weight:600;margin-bottom:6px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端抽屉 ---------- */
@media screen and (max-width:1023px){
  .header-inner{height:64px;}
  .main-nav{
    position:fixed;top:64px;right:0;bottom:0;
    width:280px;max-width:84vw;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;
    border-left:1px solid var(--line);
    box-shadow:-14px 0 40px rgba(16,35,66,.14);
    padding:12px 0 24px;
    overflow-y:auto;
    transform:translateX(105%);
    transition:transform 220ms ease-out;
    z-index:70;
  }
  body.nav-open .main-nav{transform:translateX(0);}
  .nav-link{
    font-size:17px;line-height:52px;padding:0 24px;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:#F3F7FF;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  body.nav-open{overflow:hidden;}
}

/* ---------- 断点 ---------- */
@media screen and (max-width:1023px){
  :root{--pad-section:56px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .feed{grid-template-columns:1fr;padding:8px 22px;}
  .feed-item{grid-template-columns:260px 1fr;gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  :root{--pad-section:44px;}
  .hero-block h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .page-hero .grid-container{padding-top:40px;padding-bottom:40px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:23px;}
  .feature-grid{grid-template-columns:1fr;}
  .feed{padding:6px 18px;}
  .feed-item{grid-template-columns:1fr;gap:16px;padding:24px 0;}
  .feed-meta{padding-top:14px;}
  .feed-link{margin-left:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 24px;border-radius:16px;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
}
@media screen and (max-width:520px){
  .brand{font-size:17px;}
  .header-actions .btn-sm{display:none;}
  .hero-stats{gap:12px 22px;}
  .hero-stat b{font-size:20px;}
}

/* roulang page: category3 */
/* ===================== 设计变量 ===================== */
:root{
  --primary:#1257C6;
  --primary-deep:#0A3A85;
  --accent:#16A97A;
  --signal:#FF7A1A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ink:#0B1524;
  --line:#E3E9F2;
  --line-soft:#EEF2F8;
  --t1:#0F1B2D;
  --t2:#33445E;
  --t3:#6C7C93;
  --t4:#94A1B4;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,35,66,.06);
  --sh-2:0 14px 32px rgba(16,35,66,.14);
  --sh-3:0 22px 48px rgba(16,35,66,.16);
  --tr:160ms ease-out;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--tr),border-color var(--tr),background-color var(--tr);}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
.num,.meta-row,.hero-stat strong,.deep-meta{font-variant-numeric:tabular-nums;}

/* ===================== 容器 ===================== */
.grid-container{
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}

/* ===================== 头部导航 ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr),background-color var(--tr);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--t1);
  font-size:19px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
  flex:none;
}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:9px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  font-size:15px;
  flex:none;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--t2);
  border-radius:8px;
  transition:color var(--tr),transform var(--tr);
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary);transform:translateY(-1px);}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.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;flex:none;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--t1);
  font-size:17px;
  align-items:center;
  justify-content:center;
  transition:border-color var(--tr),color var(--tr),background-color var(--tr);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);background:#F7FAFF;}
.nav-backdrop{
  position:fixed;
  inset:0;
  background:rgba(11,21,36,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity 260ms ease-out,visibility 260ms;
  z-index:85;
}
.nav-backdrop.is-open{opacity:1;visibility:visible;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform var(--tr),box-shadow var(--tr),background-color var(--tr),color var(--tr),border-color var(--tr);
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);box-shadow:0 4px 10px rgba(18,87,198,.2);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(18,87,198,.24);}
.btn-primary:hover{background:#0F4DAF;color:#fff;box-shadow:0 12px 26px rgba(18,87,198,.3);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 6px 16px rgba(4,20,46,.22);}
.btn-light:hover{background:#F0F5FF;color:var(--primary-deep);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--t1);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}

/* ===================== 徽章 / 标签 ===================== */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1;
  letter-spacing:.2px;
  white-space:nowrap;
}
.badge-cat{background:#E8F7F1;color:var(--accent);}
.badge-col{background:#E9F0FE;color:var(--primary);}
.badge-live{background:var(--signal);color:#fff;}
.media-badge{
  position:absolute;
  top:12px;
  left:12px;
  z-index:2;
  box-shadow:0 4px 12px rgba(11,21,36,.26);
}

/* ===================== 分类页 Hero ===================== */
.cat-hero{
  position:relative;
  overflow:hidden;
  background-color:var(--ink);
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center 32%;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(96deg,#0B1524 4%,rgba(11,21,36,.88) 40%,rgba(11,21,36,.4) 76%,rgba(11,21,36,.14) 100%);
}
.cat-hero .hero-inner{
  position:relative;
  z-index:2;
  padding-top:56px;
  padding-bottom:52px;
  max-width:800px;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.6);
  margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.8);}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:rgba(255,255,255,.32);}
.cat-hero h1{
  font-size:clamp(30px,3.8vw,42px);
  line-height:1.2;
  color:#fff;
  letter-spacing:.5px;
}
.hero-lede{
  margin-top:14px;
  font-size:17px;
  line-height:1.75;
  color:rgba(255,255,255,.82);
  max-width:660px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:28px 44px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat strong{
  display:block;
  font-size:24px;
  font-weight:700;
  color:#fff;
  line-height:1.25;
  letter-spacing:.5px;
}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.62);}

/* ===================== 筛选标签行 ===================== */
.filter-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  padding-top:16px;
  padding-bottom:16px;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.filter-inner::-webkit-scrollbar{display:none;}
.chip{
  flex:none;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t2);
  font-size:14px;
  transition:border-color var(--tr),color var(--tr),background-color var(--tr);
}
.chip:hover{border-color:var(--primary);color:var(--primary);text-decoration:none;}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}
.chip.is-active:hover{color:#fff;}

/* ===================== 区块通用 ===================== */
.section{padding:72px 0;}
.section-head{margin-bottom:32px;}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.section-head h2{font-size:28px;line-height:1.3;}
.section-head p{margin-top:10px;color:var(--t3);font-size:15px;max-width:760px;}
.more-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:border-color var(--tr),color var(--tr);
}
.more-link:hover{border-color:var(--primary);text-decoration:none;}

/* ===================== 杂志错落网格 ===================== */
.mag-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
  align-items:start;
}
.mag-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.mag-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6E0EF;}
.mag-media{
  position:relative;
  display:block;
  overflow:hidden;
  background:#E7ECF3;
  border-radius:0;
}
.mag-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 420ms ease-out;
  border-radius:0;
}
.mag-card:hover .mag-media img{transform:scale(1.04);}
.ratio-16x9{aspect-ratio:16 / 9;}
.ratio-4x3{aspect-ratio:4 / 3;}

.mag-card--lead{
  grid-column:1 / -1;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  align-items:stretch;
}
.mag-card--lead .mag-media{
  aspect-ratio:auto;
  height:100%;
  min-height:320px;
}
.mag-card--lead .mag-body{
  padding:34px 34px 30px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.mag-body{padding:22px 22px 24px;}
.mag-title{
  margin-top:12px;
  font-size:19px;
  line-height:1.5;
  font-weight:700;
}
.mag-title a{
  color:var(--t1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mag-title a:hover{color:var(--primary);text-decoration:none;}
.mag-card--lead .mag-title{font-size:24px;line-height:1.45;margin-top:16px;}
.mag-excerpt{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--t3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mag-excerpt.is-long{-webkit-line-clamp:3;}
.mag-card--lead .mag-excerpt{font-size:15px;line-height:1.9;-webkit-line-clamp:3;}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--t4);
}
.meta-row .dot{
  width:3px;
  height:3px;
  border-radius:50%;
  background:var(--t4);
  opacity:.55;
  display:inline-block;
}

/* ===================== 深度解读深色区块 ===================== */
.deep-band{
  background:var(--ink);
  padding:72px 0;
}
.deep-band h2{color:#fff;font-size:28px;line-height:1.3;}
.band-lede{margin-top:10px;font-size:15px;color:rgba(255,255,255,.62);max-width:760px;}
.deep-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:36px;
}
.deep-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:background-color var(--tr),transform var(--tr),border-color var(--tr);
}
.deep-item:hover{
  background:rgba(255,255,255,.09);
  border-color:rgba(255,255,255,.22);
  transform:translateY(-4px);
}
.deep-index{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:1px;
}
.deep-item h3{margin-top:14px;color:#fff;font-size:18px;line-height:1.5;}
.deep-item p{margin-top:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.deep-meta{margin-top:18px;font-size:13px;color:rgba(255,255,255,.45);}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  margin-top:32px;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:22px 26px;
  font-size:16px;
  font-weight:700;
  color:var(--t1);
  transition:color var(--tr),background-color var(--tr);
}
.faq-q:hover{color:var(--primary);background:#FAFBFE;}
.faq-q i{
  flex:none;
  font-size:14px;
  color:var(--t3);
  transition:transform var(--tr),color var(--tr);
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--primary);}
.faq-a{
  display:none;
  padding:0 26px 24px;
  font-size:15px;
  line-height:1.9;
  color:var(--t2);
}
.faq-item.is-open .faq-a{display:block;}

/* ===================== CTA 横幅 ===================== */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  background:var(--primary-deep);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:56px;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  opacity:.18;
}
.cta-copy{position:relative;z-index:2;max-width:640px;}
.cta-copy h2{color:#fff;font-size:28px;line-height:1.35;}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.7);
  padding-top:64px;
  margin-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  background:linear-gradient(135deg,var(--primary),#2E7BE8);
}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.6);
  max-width:340px;
}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.3px;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.66);
  transition:color var(--tr);
}
.footer-links a:hover{color:var(--accent);}
.footer-contact{
  font-size:14px;
  line-height:2;
  color:rgba(255,255,255,.66);
}
.footer-contact strong{
  display:block;
  color:#fff;
  font-weight:600;
  margin-bottom:4px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:56px;
  padding:24px 0;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* ===================== 响应式 ===================== */
@media (max-width:1023px){
  .header-inner{height:64px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;
    top:64px;
    right:0;
    bottom:0;
    width:min(320px,84vw);
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 20px 28px;
    transform:translateX(105%);
    transition:transform 260ms ease-out;
    box-shadow:var(--sh-3);
    z-index:90;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    display:flex;
    align-items:center;
    height:52px;
    padding:0 4px;
    font-size:17px;
    border-bottom:1px solid var(--line);
    border-radius:0;
    transform:none;
  }
  .nav-link:hover{transform:none;}
  .nav-link.is-active::after{display:none;}
  body.nav-open{overflow:hidden;}

  .mag-grid{grid-template-columns:1fr;}
  .mag-card--lead{grid-template-columns:1fr;}
  .mag-card--lead .mag-media{min-height:0;aspect-ratio:16 / 9;height:auto;}
  .deep-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
}

@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:44px 0;}
  .deep-band{padding:44px 0;}
  .section-head h2,.deep-band h2,.cta-copy h2{font-size:22px;}
  .cat-hero .hero-inner{padding-top:44px;padding-bottom:40px;}
  .hero-lede{font-size:15px;}
  .hero-stats{gap:20px 32px;margin-top:22px;padding-top:18px;}
  .hero-stat strong{font-size:20px;}
  .brand{font-size:16px;}
  .mag-card--lead .mag-body{padding:22px 20px 24px;}
  .mag-card--lead .mag-title{font-size:20px;}
  .mag-body{padding:18px 18px 20px;}
  .mag-title{font-size:17px;}
  .mag-excerpt{font-size:14px;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a{padding:0 18px 20px;font-size:14px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

@media (max-width:520px){
  .mag-grid{gap:20px;}
  .meta-row{gap:8px;font-size:12px;}
  .hero-stats{gap:16px 24px;}
}

/* roulang page: category4 */
:root{
  --primary:#1257C6;
  --primary-deep:#0A3A85;
  --accent:#16A97A;
  --signal:#FF7A1A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ink:#0B1524;
  --line:#E3E9F2;
  --line-soft:#EEF2F8;
  --t1:#0F1B2D;
  --t2:#33445E;
  --t3:#6C7C93;
  --t4:#94A1B4;
  --radius:14px;
  --radius-sm:10px;
  --radius-img:12px;
  --sh-1:0 1px 2px rgba(16,35,66,.06);
  --sh-2:0 14px 32px rgba(16,35,66,.14);
  --sh-3:0 22px 48px rgba(16,35,66,.16);
  --section:72px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .16s ease-out,background-color .16s ease-out,border-color .16s ease-out,transform .16s ease-out;}
a:hover{color:var(--primary-deep);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(18,87,198,.55);border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding-top:var(--section);padding-bottom:0;}
.section:last-of-type{padding-bottom:var(--section);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:28px;}
.section-head p{font-size:14px;color:var(--t3);margin-top:6px;}
.link-more{font-size:14px;font-weight:600;white-space:nowrap;}
.link-more i{margin-left:4px;font-size:12px;transition:transform .16s ease-out;}
.link-more:hover i{transform:translateX(3px);}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .16s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--t1);white-space:nowrap;}
.brand:hover{color:var(--primary-deep);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,#2f7cf0 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:0 6px 16px rgba(18,87,198,.28);
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;}
.nav-link:hover{color:var(--primary);text-decoration:none;transform:translateY(-1px);}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--primary);}
.header-actions{display:flex;align-items:center;gap:12px;}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);box-shadow:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(18,87,198,.22);}
.btn-primary:hover{background:#0f4cae;color:#fff;box-shadow:0 12px 26px rgba(18,87,198,.3);}
.btn-outline{background:#fff;color:var(--t1);border-color:var(--line);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-white{background:#fff;color:var(--primary);}
.btn-white:hover{background:#eef4ff;color:var(--primary-deep);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--t1);font-size:17px;align-items:center;justify-content:center;}
.nav-scrim{display:none;position:fixed;inset:0;background:rgba(11,21,36,.48);z-index:65;}

/* ===== hero ===== */
.cat-hero{
  position:relative;color:#fff;padding:52px 0 56px;min-height:320px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(11,21,36,.94) 0%,rgba(11,21,36,.78) 46%,rgba(11,21,36,.34) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{color:rgba(255,255,255,.4);}
.cat-hero h1{color:#fff;font-size:clamp(30px,4.2vw,42px);line-height:1.2;max-width:760px;}
.cat-hero .lead{margin-top:14px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.82);max-width:660px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:999px;background:#E8F7F1;color:var(--accent);
  font-size:13px;font-weight:600;
}
.hero-badge i{font-size:11px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 44px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);}
.hero-stat strong{display:block;font-size:26px;font-weight:700;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.68);}

/* ===== filter bar ===== */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:72px;z-index:40;}
.filter-track{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.filter-track::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--t2);font-size:14px;font-weight:500;white-space:nowrap;
}
.chip:hover{border-color:var(--primary);color:var(--primary);text-decoration:none;}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(18,87,198,.22);}

/* ===== timeline ===== */
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:5px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary) 0%,#b9cdea 70%,rgba(227,233,242,0) 100%);
}
.tl-item{position:relative;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:22px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px #E9F0FE;
}
.tl-card{
  display:flex;gap:22px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d5e0f0;}
.tl-body{flex:1 1 auto;min-width:0;}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.tl-date{font-size:14px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:.3px;}
.badge{display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.7;}
.badge-green{background:#E8F7F1;color:var(--accent);}
.badge-blue{background:#E9F0FE;color:var(--primary);}
.badge-signal{background:var(--signal);color:#fff;}
.tl-body h3{font-size:17px;line-height:1.5;}
.tl-body h3:hover{color:var(--primary);}
.tl-desc{margin-top:8px;font-size:14px;line-height:1.8;color:var(--t3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tl-media{flex:0 0 178px;border-radius:var(--radius-img);overflow:hidden;background:#E7ECF3;}
.tl-media img{width:100%;height:112px;object-fit:cover;transition:transform .2s ease-out;}
.tl-card:hover .tl-media img{transform:scale(1.04);}

/* ===== notes ===== */
.notes-wrap{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:28px;align-items:stretch;}
.notes-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;box-shadow:var(--sh-1);}
.notes-card h3{font-size:20px;margin-bottom:8px;}
.notes-card > p{font-size:14px;color:var(--t3);margin-bottom:20px;}
.note-list li{position:relative;padding:12px 0 12px 16px;border-left:3px solid var(--primary);padding-left:16px;font-size:15px;line-height:1.85;color:var(--t2);margin-bottom:12px;background:linear-gradient(90deg,#F7FAFF 0%,rgba(247,250,255,0) 92%);}
.note-list li:last-child{margin-bottom:0;}
.note-list li strong{color:var(--t1);}
.notes-aside{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--ink);display:flex;}
.notes-aside img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;}
.notes-aside .aside-inner{position:relative;z-index:2;padding:30px 28px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;}
.notes-aside h3{color:#fff;font-size:20px;margin-bottom:10px;}
.notes-aside p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.78);}
.notes-aside .aside-tag{position:absolute;top:22px;left:24px;z-index:2;}

/* ===== faq ===== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;font-size:16px;font-weight:700;color:var(--t1);transition:color .16s ease-out,background-color .16s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);background:#FAFCFF;}
.faq-item summary .faq-arrow{flex:0 0 auto;font-size:13px;color:var(--t3);transition:transform .2s ease-out;}
.faq-item[open] summary .faq-arrow{transform:rotate(180deg);color:var(--primary);}
.faq-body{padding:0 26px 22px;font-size:15px;line-height:1.9;color:var(--t2);}

/* ===== cta ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;background:var(--primary-deep);
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(10,58,133,.94) 0%,rgba(10,58,133,.72) 60%,rgba(10,58,133,.5) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.8);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ===== footer ===== */
.site-footer{margin-top:var(--section);background:var(--ink);color:rgba(255,255,255,.74);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:330px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{font-size:14px;line-height:36px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--accent);text-decoration:none;}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-contact strong{display:block;color:#fff;font-weight:600;margin-bottom:6px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;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);
}

/* ===== responsive ===== */
@media (max-width:1023px){
  :root{--section:52px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .header-inner{height:64px;gap:14px;}
  .brand{font-size:17px;}
  .nav-toggle{display:flex;}
  .header-actions{position:relative;z-index:75;margin-left:auto;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);height:100%;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:84px 22px 26px;margin-left:0;
    transform:translateX(102%);transition:transform .22s ease-out;
    box-shadow:var(--sh-3);z-index:70;overflow-y:auto;
  }
  body.nav-open .main-nav{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  body.nav-open .nav-scrim{display:block;}
  .nav-link{font-size:17px;line-height:52px;border-bottom:1px solid var(--line);padding:0;}
  .nav-link:hover{transform:none;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{border-bottom-color:var(--line);}
  .filter-bar{top:64px;}
  .notes-wrap{grid-template-columns:1fr;}
  .notes-aside{min-height:260px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-actions{width:100%;flex-wrap:wrap;}
  .cta-actions .btn{flex:1 1 160px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:23px;}
  .cat-hero{padding:40px 0 44px;min-height:0;}
  .cat-hero .lead{font-size:16px;}
  .hero-stats{gap:14px 30px;}
  .hero-stat strong{font-size:22px;}
  .timeline{padding-left:22px;}
  .timeline::before{left:4px;}
  .tl-item::before{left:-22px;top:20px;}
  .tl-card{padding:16px;gap:14px;flex-wrap:wrap;}
  .tl-media{flex:0 0 100%;order:2;}
  .tl-media img{height:170px;}
  .tl-body{flex:1 1 100%;}
  .notes-card{padding:24px 20px;}
  .faq-item summary{padding:18px 18px;font-size:15px;}
  .faq-body{padding:0 18px 20px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}