/* roulang page: index */
:root{
  --primary:#1E5AE8;--primary-hover:#1748C4;--primary-soft:#E8EFFE;
  --accent:#FF6A2B;--accent-hover:#E2551A;--accent-soft:#FFF0E8;
  --teal:#12B5A5;--teal-soft:#E4F7F5;
  --bg:#F5F7FB;--card:#FFFFFF;--bg2:#F0F3F9;
  --text:#0E1B2E;--text2:#4A5568;--text3:#8A94A6;
  --border:#E4E9F2;--line:#EEF1F7;
  --ok:#12B5A5;--warn:#F5A524;--err:#E5484D;
  --sh1:0 2px 8px rgba(20,44,92,.06);
  --sh2:0 10px 28px rgba(20,44,92,.10);
  --sh3:0 18px 44px rgba(20,44,92,.14);
  --r-s:8px;--r-m:12px;--r-c:16px;--r-l:20px;--r-p:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,dl,dd,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{flex:0 0 auto}
:focus-visible{outline:3px solid rgba(30,90,232,.32);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.3px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:var(--r-p);padding:4px 12px;margin-bottom:10px}
.section-head p{margin-top:8px;color:var(--text2);font-size:15px;max-width:660px}
.muted{color:var(--text3)}

/* ---------- 倒计时条 ---------- */
.countdown-bar{background:linear-gradient(90deg,#1E5AE8 0%,#3A73F0 60%,#5B8CF5 100%);color:#fff}
.cd-inner{display:flex;align-items:center;gap:16px;height:52px}
.cd-tag{font-size:12px;font-weight:600;background:rgba(255,255,255,.18);border-radius:var(--r-p);padding:4px 12px;white-space:nowrap}
.cd-text{font-size:14px;color:rgba(255,255,255,.9);flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cd-clock{display:inline-flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums;font-weight:700;font-size:20px}
.cd-clock i{font-style:normal;opacity:.6;font-weight:500}
.cd-num{display:inline-block;min-width:34px;text-align:center;background:rgba(255,255,255,.16);border-radius:8px;padding:2px 0;font-size:19px;line-height:1.5}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh2)}
.info-strip{overflow:hidden;height:36px;background:#0E1B2E;color:#B9C2D0;transition:height .25s var(--ease)}
.site-header.is-scrolled .info-strip{height:0}
.info-strip .container{display:flex;align-items:center;justify-content:space-between;height:36px;font-size:13px}
.info-strip a{color:#fff;font-weight:600}
.info-strip a:hover{color:#9FB8F5}
.header-main{background:#fff}
.header-main .container{display:flex;align-items:center;gap:20px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo svg{width:34px;height:34px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.2px;white-space:nowrap}
.search{position:relative;flex:1 1 auto;max-width:560px;display:flex;align-items:center}
.search .search-icon{position:absolute;left:17px;width:19px;height:19px;color:var(--text3);pointer-events:none;transition:color .2s}
.search input{width:100%;height:48px;border-radius:var(--r-p);border:1px solid var(--border);background:var(--bg2);padding:0 108px 0 48px;font-size:15px;transition:border-color .2s,box-shadow .2s,background .2s}
.search input::placeholder{color:var(--text3)}
.search input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,90,232,.12)}
.search input:focus + .search-icon,.search:focus-within .search-icon{color:var(--primary)}
.search-btn{position:absolute;right:6px;height:36px;padding:0 20px;border-radius:var(--r-p);background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background .2s}
.search-btn:hover{background:var(--primary-hover)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-m);border:1px solid var(--border);align-items:center;justify-content:center;color:var(--text)}
.menu-toggle:hover{background:var(--primary-soft);color:var(--primary);border-color:var(--primary)}
.cat-nav{border-top:1px solid var(--line);background:#fff}
.cat-nav .container{display:flex;align-items:center;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none}
.cat-nav .container::-webkit-scrollbar{display:none}
.cat-list{display:flex;gap:8px;flex:0 0 auto}
.cat-list a{display:inline-block;padding:7px 18px;border-radius:var(--r-p);font-size:14.5px;font-weight:500;color:var(--text2);white-space:nowrap;transition:.2s var(--ease)}
.cat-list a:hover{background:var(--primary-soft);color:var(--primary)}
.cat-list a.active{background:var(--primary);color:#fff;box-shadow:var(--sh1)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:200;background:rgba(14,27,46,.45);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:84%;max-width:340px;background:#fff;padding:24px;transform:translateX(100%);transition:transform .28s var(--ease);display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{width:38px;height:38px;border-radius:var(--r-m);border:1px solid var(--border);display:flex;align-items:center;justify-content:center}
.drawer-panel a.nav-link{padding:13px 14px;border-radius:var(--r-m);font-weight:600;color:var(--text)}
.drawer-panel a.nav-link:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-panel a.nav-link.active{background:var(--primary);color:#fff}
.drawer-search{display:flex;gap:8px;margin:8px 0 12px}
.drawer-search input{flex:1;height:44px;border-radius:var(--r-m);border:1px solid var(--border);padding:0 14px;background:var(--bg2)}
.drawer-search input:focus{outline:none;border-color:var(--primary);background:#fff}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;white-space:nowrap;transition:transform .2s var(--ease),background .2s,box-shadow .2s,border-color .2s,color .2s}
.btn:active{transform:translateY(0) scale(.985)}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--primary)}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(3px)}
.btn[disabled]{opacity:.4;pointer-events:none}

/* ---------- 徽章/标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-p);font-size:12px;font-weight:600;line-height:1}
.badge-primary{background:var(--primary-soft);color:var(--primary)}
.badge-accent{background:var(--accent-soft);color:var(--accent-hover)}
.badge-teal{background:var(--teal-soft);color:#0E9488}
.badge-plain{background:var(--bg2);color:var(--text2)}

/* ---------- Hero ---------- */
.hero{background:#fff;border-bottom:1px solid var(--line);padding:56px 0 64px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(28px,4vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.6px;margin:18px 0 16px}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text2);max-width:560px}
.hero-cta{display:flex;gap:14px;margin:28px 0 32px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px}
.hero-stats dt{font-size:13px;color:var(--text3);margin-bottom:2px}
.hero-stats dd{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.4px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-l);box-shadow:var(--sh2)}
.float-card{position:absolute;right:-12px;bottom:-22px;background:#fff;border:1px solid var(--border);border-radius:var(--r-c);box-shadow:var(--sh2);padding:14px 18px;min-width:210px}
.float-card .fc-title{font-size:13px;color:var(--text3);margin-bottom:6px}
.float-card .fc-score{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;font-variant-numeric:tabular-nums}
.float-card .fc-live{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--err)}
.float-card .fc-live i{width:7px;height:7px;border-radius:50%;background:var(--err);display:block;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}

/* ---------- 卖点 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.point-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-c);box-shadow:var(--sh1);padding:26px 28px;display:flex;gap:20px;transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.point-card:hover{box-shadow:var(--sh2);transform:translateY(-4px)}
.point-card:nth-child(2),.point-card:nth-child(4){margin-top:24px}
.point-no{font-size:26px;font-weight:700;color:var(--primary);opacity:.28;font-variant-numeric:tabular-nums;line-height:1;flex:0 0 auto}
.point-body h3{font-size:19px;font-weight:600;margin-bottom:8px}
.point-body p{font-size:15px;color:var(--text2);line-height:1.8}
.point-ico{width:40px;height:40px;border-radius:var(--r-m);background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:132px;gap:16px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-c);display:block;background:var(--bg2)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.wall-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,27,46,0) 35%,rgba(14,27,46,.78) 100%);opacity:.9;transition:opacity .3s var(--ease)}
.wall-item:hover img{transform:scale(1.04)}
.wall-item:hover::after{opacity:1}
.wall-mask{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;z-index:2;color:#fff}
.wall-mask h3{font-size:16px;font-weight:600;line-height:1.45;margin-top:8px}
.wall-mask .tag{display:inline-block;height:22px;line-height:22px;padding:0 10px;border-radius:var(--r-p);font-size:12px;font-weight:600;background:rgba(255,255,255,.2);backdrop-filter:blur(4px)}
.wall-a{grid-column:span 2;grid-row:span 2}
.wall-b{grid-column:span 2}
.wall-c{grid-column:span 1}
.wall-d{grid-column:span 1}
.wall-e{grid-column:span 2}
.wall-f{grid-column:span 2}
.wall-a .wall-mask h3{font-size:20px}

/* ---------- 排行 ---------- */
.rank-wrap{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.rank-intro{background:var(--card);border:1px solid var(--border);border-radius:var(--r-l);box-shadow:var(--sh1);padding:32px}
.rank-intro h2{font-size:26px;font-weight:700;line-height:1.35;margin-bottom:14px}
.rank-intro p{color:var(--text2);font-size:15px;line-height:1.85;margin-bottom:20px}
.rank-intro ul{display:grid;gap:12px}
.rank-intro li{display:flex;gap:10px;font-size:15px;color:var(--text2)}
.rank-intro li svg{color:var(--teal);margin-top:6px}
.rank-list{display:grid;gap:12px}
.rank-item{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-c);padding:16px 20px;transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s}
.rank-item:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:#D7E2FA}
.rank-item .rno{width:30px;height:30px;border-radius:var(--r-s);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;background:var(--bg2);color:var(--text2);flex:0 0 auto;font-variant-numeric:tabular-nums}
.rank-item:nth-child(1) .rno{background:var(--accent);color:#fff}
.rank-item:nth-child(2) .rno{background:var(--primary);color:#fff}
.rank-item:nth-child(3) .rno{background:var(--teal);color:#fff}
.rank-main{flex:1 1 auto;min-width:0}
.rank-main .rt{font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-main .rs{font-size:13px;color:var(--text3);margin-top:2px}
.bar{height:6px;border-radius:var(--r-p);background:var(--bg2);overflow:hidden;margin-top:10px}
.bar span{display:block;height:100%;border-radius:var(--r-p);background:linear-gradient(90deg,var(--primary),#5B8CF5)}
.rank-item:nth-child(1) .bar span{background:linear-gradient(90deg,var(--accent),#FF9A66)}
.rank-item:nth-child(3) .bar span{background:linear-gradient(90deg,var(--teal),#5FD8CC)}
.rank-val{font-size:15px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;flex:0 0 auto}

/* ---------- 最新信息 CMS 列表 ---------- */
.news-list{display:grid;gap:14px}
.news-item{display:flex;gap:20px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--r-c);padding:14px;transition:background .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.news-item:hover{background:#F7F9FC;box-shadow:var(--sh2);transform:translateY(-2px)}
.news-thumb{flex:0 0 auto;width:144px;height:96px;border-radius:var(--r-m);overflow:hidden;background:var(--bg2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-item:hover .news-thumb img{transform:scale(1.05)}
.news-body{flex:1 1 auto;min-width:0}
.news-body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.news-item:hover .news-body h3{color:var(--primary)}
.news-body p{font-size:14px;color:var(--text2);line-height:1.7;margin-top:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--text3)}
.news-go{flex:0 0 auto;color:var(--text3);transition:color .2s,transform .2s var(--ease)}
.news-item:hover .news-go{color:var(--primary);transform:translateX(4px)}
.empty-state{background:var(--card);border:1px solid var(--border);border-radius:var(--r-c);box-shadow:var(--sh1);padding:56px 24px;text-align:center;color:var(--text3)}
.empty-state svg{width:56px;height:56px;margin:0 auto 16px;color:#C3CBDA}
.empty-state p{font-size:15px;margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:var(--r-c);box-shadow:var(--sh1);overflow:hidden;transition:box-shadow .2s var(--ease)}
.faq details[open]{box-shadow:var(--sh2)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 22px;font-size:16px;font-weight:600;min-height:52px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{width:22px;height:22px;flex:0 0 auto;color:var(--primary);transition:transform .25s var(--ease)}
.faq details[open] summary .plus{transform:rotate(45deg)}
.faq .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text2);border-top:1px solid var(--line);padding-top:16px}

/* ---------- CTA & 表单 ---------- */
.cta-band{background:var(--primary-soft);border-radius:var(--r-l);padding:44px;display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:start}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;margin-bottom:14px}
.cta-band p{color:var(--text2);font-size:15.5px;line-height:1.85;margin-bottom:22px}
.cta-points{display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--text2)}
.cta-points li svg{color:var(--primary);margin-top:6px}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-c);box-shadow:var(--sh2);padding:28px}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form-row label .req{color:var(--accent)}
.form-row input,.form-row select{width:100%;height:46px;border-radius:10px;border:1px solid var(--border);padding:0 14px;background:#fff;transition:border-color .2s,box-shadow .2s}
.form-row input:focus,.form-row select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,90,232,.12)}
.form-row.has-error input,.form-row.has-error select{border-color:var(--err)}
.form-row .err-msg{display:none;font-size:12px;color:var(--err);margin-top:6px}
.form-row.has-error .err-msg{display:block}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text2);line-height:1.6;margin:4px 0 18px}
.form-check input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--primary)}
.form-note{font-size:13px;color:var(--text3);margin-top:12px;line-height:1.7}
.form-ok{display:none;background:var(--teal-soft);border:1px solid #A9E7E0;color:#0E9488;border-radius:var(--r-m);padding:12px 14px;font-size:14px;margin-bottom:16px}
.form-ok.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#121A2B;color:#B9C2D0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 40px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.site-footer .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .footer-brand svg{width:28px;height:28px}
.site-footer .footer-brand span{color:#fff;font-size:16px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.8;color:#93A0B4}
.site-footer ul{display:grid;gap:11px}
.site-footer ul a{font-size:14px;color:#B9C2D0;transition:color .2s}
.site-footer ul a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C8798}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:36px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:52px 0}
  .menu-toggle{display:inline-flex}
  .search{max-width:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .float-card{right:12px;bottom:-18px}
  .points-grid{grid-template-columns:1fr}
  .point-card:nth-child(2),.point-card:nth-child(4){margin-top:0}
  .rank-wrap{grid-template-columns:1fr;gap:24px}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .info-strip{display:none}
  .site-header{position:sticky}
  .header-main .container{flex-wrap:wrap;gap:14px}
  .logo{order:1}
  .header-actions{order:2;margin-left:auto}
  .search{order:3;flex-basis:100%;max-width:none}
  .header-actions .btn-accent{display:none}
  .cd-inner{height:48px;gap:10px}
  .cd-tag{display:none}
  .cd-text{font-size:13px}
  .cd-num{min-width:30px;font-size:17px}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .wall-a,.wall-b,.wall-e,.wall-f{grid-column:span 2}
  .wall-c,.wall-d{grid-column:span 1}
  .news-item{flex-direction:column;align-items:stretch;gap:12px}
  .news-thumb{width:100%;height:180px}
  .news-go{display:none}
  .hero{padding:36px 0 44px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:24px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 32px}
  .cta-band{padding:24px}
  .form-card{padding:20px}
  .rank-item{gap:12px;padding:14px}
}
@media (max-width:480px){
  body{font-size:15px}
  .hero-copy h1{font-size:26px;letter-spacing:-.4px}
  .hero-sub{font-size:15.5px}
  .hero-stats dd{font-size:20px}
  .section-head h2{font-size:21px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .search-btn{padding:0 14px}
  .faq summary{font-size:15px;padding:14px 16px}
  .faq .faq-body{padding:14px 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --primary:#1E5AE8; --primary-h:#1748C4; --primary-l:#E8EFFE;
  --accent:#FF6A2B; --accent-h:#E2551A; --accent-l:#FFF0E8;
  --teal:#12B5A5; --teal-l:#E4F7F5;
  --bg:#F5F7FB; --card:#FFFFFF; --sub:#F0F3F9;
  --text:#0E1B2E; --text-2:#4A5568; --text-3:#8A94A6;
  --border:#E4E9F2; --line:#EEF1F7;
  --sh-1:0 2px 8px rgba(20,44,92,.06);
  --sh-2:0 10px 28px rgba(20,44,92,.10);
  --r-s:8px; --r-m:12px; --r-c:16px; --r-l:20px; --r-p:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;line-height:1.8;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-h)}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(30,90,232,.30);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;transition:all .2s var(--ease);white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-h);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-h);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--primary)}
.btn-ghost:hover{border-color:var(--primary);background:var(--primary-l);color:var(--primary-h)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.btn-text .arw{transition:transform .2s var(--ease)}
.btn-text:hover .arw{transform:translateX(3px)}

/* ============ 顶部信息条 ============ */
.topbar{background:#121A2B;color:#B9C2D0;font-size:13px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-tag{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-p);
  background:rgba(255,106,43,.16);color:#FFB08A;font-size:12px;font-weight:600;flex:none}
.topbar-left span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:18px;flex:none}
.topbar-right a{color:#B9C2D0}
.topbar-right a:hover{color:#fff}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease)}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.main-bar .container{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand svg{width:32px;height:32px;flex:none}
.brand span{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px}
.search{flex:1;max-width:560px;position:relative;display:flex;align-items:center}
.search svg{position:absolute;left:16px;width:20px;height:20px;color:var(--text-3);transition:color .2s var(--ease)}
.search input{width:100%;height:48px;border-radius:var(--r-p);border:1px solid var(--border);
  background:var(--sub);padding:0 118px 0 46px;font-size:15px;transition:all .2s var(--ease)}
.search input::placeholder{color:var(--text-3)}
.search input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,90,232,.12)}
.search:focus-within svg{color:var(--primary)}
.search button{position:absolute;right:6px;height:36px;padding:0 20px;border:0;border-radius:var(--r-p);
  background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background .2s var(--ease)}
.search button:hover{background:var(--primary-h)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;margin-left:auto}
.nav-toggle{width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;
  display:none;align-items:center;justify-content:center;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.cat-nav{border-top:1px solid var(--line);background:#fff}
.cat-list{display:flex;align-items:center;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none}
.cat-list::-webkit-scrollbar{display:none}
.cat-list a{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-p);
  font-size:14px;font-weight:600;color:var(--text-2);background:var(--sub);border:1px solid transparent;
  white-space:nowrap;transition:all .2s var(--ease)}
.cat-list a:hover{background:var(--primary-l);color:var(--primary-h)}
.cat-list a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.cat-list a.active:hover{background:var(--primary-h);color:#fff}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(14,27,46,.45);opacity:0;visibility:hidden;
  transition:all .2s var(--ease);z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .26s var(--ease);padding:24px 22px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer h3{font-size:16px;margin-bottom:14px}
.drawer ul{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.drawer ul a{display:block;padding:12px 14px;border-radius:var(--r-m);background:var(--sub);
  color:var(--text-2);font-size:15px;font-weight:600}
.drawer ul a.active{background:var(--primary);color:#fff}
.drawer .drawer-close{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--border);background:#fff;font-size:18px;line-height:1;color:var(--text-2)}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--border)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .cur{color:var(--text-2)}

/* ============ 分类 Hero ============ */
.cat-hero{margin-top:20px;background:linear-gradient(120deg,#F0F3F9 0%,#E8EFFE 55%,#FFFFFF 100%);
  border:1px solid var(--border);border-radius:var(--r-l);overflow:hidden}
.cat-hero .inner{display:grid;grid-template-columns:1.35fr .85fr;gap:32px;align-items:center;
  padding:48px 44px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-p);
  background:#fff;border:1px solid var(--border);color:var(--primary);font-size:12px;font-weight:700;margin-bottom:16px}
.cat-hero h1{font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:700;letter-spacing:-.2px}
.cat-hero .lead{margin-top:16px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-btns{display:flex;align-items:center;gap:18px;margin-top:26px;flex-wrap:wrap}
.hero-figure{border-radius:var(--r-c);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;background:#fff}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ============ 主体两栏 ============ */
.page-main{padding:56px 0 8px}
.layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:44px;align-items:start}
.toc{position:sticky;top:150px;background:#fff;border:1px solid var(--border);border-radius:var(--r-c);
  padding:20px;box-shadow:var(--sh-1)}
.toc h3{font-size:14px;color:var(--text-3);font-weight:700;letter-spacing:.4px;margin-bottom:12px}
.toc ol{display:flex;flex-direction:column;gap:4px}
.toc a{display:block;padding:9px 12px;border-radius:var(--r-s);font-size:14px;color:var(--text-2);
  border-left:3px solid transparent;transition:all .2s var(--ease)}
.toc a:hover{background:var(--primary-l);color:var(--primary-h);border-left-color:var(--primary)}
.toc .toc-note{margin-top:16px;padding:14px;border-radius:var(--r-m);background:var(--accent-l);
  font-size:13px;color:#8A4B22;line-height:1.7}

/* ============ Z 型图文 ============ */
.zrow{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line)}
.zrow:first-child{padding-top:0}
.zrow:last-of-type{border-bottom:0}
.zrow.reverse .zrow-media{order:2}
.zrow-media{border-radius:var(--r-c);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--sh-1);aspect-ratio:4/3;position:relative;background:var(--sub)}
.zrow-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.zrow-media:hover img{transform:scale(1.04)}
.zrow-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,27,46,0) 55%,rgba(14,27,46,.28));opacity:0;transition:opacity .25s var(--ease)}
.zrow-media:hover::after{opacity:1}
.zrow-body h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;padding-left:14px;position:relative}
.zrow-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--primary)}
.zrow-body p{margin-top:14px;color:var(--text-2);font-size:16.5px}
.zrow-body h3{margin-top:22px;font-size:18px;font-weight:600;color:var(--text)}
.point-list{margin-top:12px;display:flex;flex-direction:column;gap:10px}
.point-list li{position:relative;padding-left:22px;color:var(--text-2);font-size:15.5px}
.point-list li::before{content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:3px;background:var(--primary)}
.point-list li strong{color:var(--text)}
.chips{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-p);
  background:var(--primary-l);color:var(--primary-h);font-size:12.5px;font-weight:600}
.chip.warn{background:var(--accent-l);color:#B4440F}
.chip.ok{background:var(--teal-l);color:#0A7B70}

.step-list{margin-top:18px;counter-reset:st;display:flex;flex-direction:column;gap:14px}
.step-list li{counter-increment:st;position:relative;padding:14px 16px 14px 56px;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-m);box-shadow:var(--sh-1);color:var(--text-2);font-size:15.5px}
.step-list li::before{content:counter(st);position:absolute;left:16px;top:14px;width:26px;height:26px;
  border-radius:50%;background:var(--primary);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center}
.step-list li b{color:var(--text)}

.note-card{margin-top:20px;padding:18px 20px;border-radius:var(--r-m);background:var(--sub);
  border-left:4px solid var(--accent);color:var(--text-2);font-size:15px}

/* ============ CTA 条 ============ */
.cta-band{margin:64px 0;background:var(--primary-l);border:1px solid #D3E0FB;border-radius:var(--r-l);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:24px;font-weight:700}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-section{padding:8px 0 0}
.sec-head{margin-bottom:24px}
.sec-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700}
.sec-head p{margin-top:10px;color:var(--text-2);font-size:15.5px}
.faq-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-c);box-shadow:var(--sh-1);overflow:hidden}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:last-child{border-bottom:0}
.faq-list summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:17px 22px;font-size:16px;font-weight:600;transition:background .2s var(--ease)}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{background:#F7F9FC}
.faq-list summary .plus{flex:none;width:24px;height:24px;position:relative;transition:transform .2s var(--ease)}
.faq-list summary .plus::before,.faq-list summary .plus::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-list summary .plus::before{left:11px;top:4px;width:2px;height:16px}
.faq-list summary .plus::after{top:11px;left:4px;width:16px;height:2px}
.faq-list details[open] summary .plus{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{margin-top:72px;background:#121A2B;color:#B9C2D0;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:28px;height:28px;flex:none}
.footer-brand span{color:#fff;font-size:16px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.85;color:#9AA5B6}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.site-footer ul{display:flex;flex-direction:column;gap:11px}
.site-footer ul a,.site-footer ul span{color:#B9C2D0;font-size:14px}
.site-footer ul a:hover{color:#fff}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#8A94A6;flex-wrap:wrap}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
  .layout{grid-template-columns:210px minmax(0,1fr);gap:32px}
  .zrow{gap:32px}
}
@media (max-width:1023px){
  .topbar-left span{display:none}
  .main-bar .container{height:auto;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;gap:14px}
  .brand{order:1}
  .header-actions{order:2}
  .search{order:3;flex-basis:100%;max-width:none}
  .nav-toggle{display:flex}
  .layout{grid-template-columns:1fr}
  .toc{position:static;order:2}
  .toc ol{flex-direction:row;flex-wrap:wrap;overflow-x:auto}
  .toc a{border-left:0;border-bottom:3px solid transparent;white-space:nowrap}
  .toc a:hover{border-left-color:transparent;border-bottom-color:var(--primary)}
  .content-col{order:1}
  .cat-hero .inner{grid-template-columns:1fr;padding:36px 28px}
  .hero-figure{order:-1;aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-main{padding:36px 0 0}
  .cat-hero .inner{padding:28px 20px;gap:22px}
  .cat-hero .lead{font-size:15.5px}
  .zrow{grid-template-columns:1fr;gap:20px;padding:32px 0}
  .zrow.reverse .zrow-media{order:0}
  .zrow-body p{font-size:16px}
  .cta-band{padding:26px 22px;margin:44px 0}
  .faq-list summary{padding:15px 16px;font-size:15.5px;align-items:flex-start}
  .faq-body{padding:0 16px 18px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:40px 0 20px}
}
@media (max-width:519px){
  .cat-hero h1{font-size:26px}
  .hero-btns{flex-direction:column;align-items:stretch;gap:12px}
  .hero-btns .btn,.hero-btns .btn-text{width:100%;justify-content:center}
  .search button{padding:0 16px}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .zrow-media:hover img{transform:none}
}

/* roulang page: article */
:root{
  --brand:#1E5AE8;
  --brand-hover:#1748C4;
  --brand-soft:#E8EFFE;
  --accent:#FF6A2B;
  --accent-hover:#E2551A;
  --accent-soft:#FFF0E8;
  --third:#12B5A5;
  --third-soft:#E4F7F5;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --surface:#F0F3F9;
  --line-soft:#F7F9FC;
  --text:#0E1B2E;
  --text-2:#4A5568;
  --text-3:#8A94A6;
  --border:#E4E9F2;
  --divider:#EEF1F7;
  --warn:#F5A524;
  --error:#E5484D;
  --sh1:0 2px 8px rgba(20,44,92,.06);
  --sh2:0 10px 28px rgba(20,44,92,.10);
  --sh3:0 18px 44px rgba(20,44,92,.14);
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:20px;
  --r-p:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35}
p{margin:0}
:focus-visible{outline:3px solid rgba(30,90,232,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--text);color:#C7D0DE;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:16px;height:38px}
.topbar-tag{background:var(--accent);color:#fff;font-size:12px;line-height:1;padding:5px 10px;border-radius:var(--r-p);white-space:nowrap}
.topbar-text{margin:0;color:#AEB9CA;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.topbar-links{display:flex;gap:18px;white-space:nowrap}
.topbar-links a:hover{color:#fff}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--divider);transition:box-shadow .2s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh2)}
.mainbar{padding:14px 0}
.mainbar-inner{display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand svg{width:34px;height:34px;flex:none}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.search{
  position:relative;flex:1;max-width:560px;height:48px;display:flex;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-p);
  padding:0 6px 0 16px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search:hover .search-icon{color:var(--brand)}
.search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(30,90,232,.12)}
.search-icon{width:20px;height:20px;flex:none;color:var(--text-3);transition:color .2s var(--ease)}
.search input{flex:1;height:100%;border:0;background:transparent;padding:0 12px;outline:none;font-size:15px}
.search input::placeholder{color:var(--text-3)}
.search button{
  flex:none;height:38px;padding:0 20px;border:0;border-radius:var(--r-p);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease);
}
.search button:hover{background:var(--brand-hover)}
.mainbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-p)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;
  font-size:15px;padding:4px 0;
}
.btn-text svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(3px)}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r-m);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.menu-toggle svg{width:22px;height:22px;color:var(--text)}

/* ============ 分类胶囊导航 ============ */
.cat-nav{border-top:1px solid var(--divider);background:#fff;overflow-x:auto;scrollbar-width:none}
.cat-nav::-webkit-scrollbar{display:none}
.cat-list{display:flex;gap:8px;padding:10px 0}
.cat-list a{
  display:inline-block;padding:8px 16px;border-radius:var(--r-p);font-size:14px;color:var(--text-2);
  white-space:nowrap;border:1px solid transparent;transition:all .2s var(--ease);
}
.cat-list a:hover{background:var(--brand-soft);color:var(--brand)}
.cat-list a.active{background:var(--brand);color:#fff;box-shadow:var(--sh1)}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(14,27,46,.45);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;width:84%;max-width:360px;height:100%;background:#fff;z-index:100;
  padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform .28s var(--ease);
  box-shadow:var(--sh3);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-head strong{font-size:16px}
.drawer-close{width:38px;height:38px;border:1px solid var(--border);border-radius:var(--r-m);background:#fff;cursor:pointer}
.drawer-close svg{width:18px;height:18px;margin:0 auto}
.drawer-nav li + li{border-top:1px solid var(--divider)}
.drawer-nav a{display:block;padding:14px 4px;font-size:15px;color:var(--text-2)}
.drawer-nav a:hover{color:var(--brand)}

/* ============ 页面主体 ============ */
main{display:block}
.page-wrap{padding:28px 0 72px}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px;max-width:320px}
.breadcrumb li + li::before{content:"/";color:var(--border)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}

/* 文章头 */
.article-head{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh1);margin-bottom:24px}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-p);
  font-size:12px;font-weight:600;line-height:1;
}
.chip-brand{background:var(--brand-soft);color:var(--brand)}
.chip-accent{background:var(--accent-soft);color:var(--accent)}
.chip-third{background:var(--third-soft);color:var(--third)}
.article-head h1{font-size:clamp(26px,3.4vw,40px);line-height:1.28;margin:14px 0 16px;letter-spacing:-.2px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.article-meta .dot{color:var(--border)}
.head-actions{display:flex;gap:10px;margin-top:20px;padding-top:20px;border-top:1px solid var(--divider)}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;border-radius:var(--r-p);
  border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:13px;cursor:pointer;
  transition:all .2s var(--ease);
}
.icon-btn svg{width:16px;height:16px}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* 正文 */
.article-body{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:36px;box-shadow:var(--sh1)}
.entry-content{max-width:780px;font-size:17px;line-height:1.9;color:var(--text-2)}
.entry-content > * + *{margin-top:1.35em}
.entry-content h2{
  font-size:22px;color:var(--text);margin-top:2em;padding-left:14px;position:relative;line-height:1.5;
}
.entry-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.entry-content h3{font-size:18px;color:var(--text);margin-top:1.7em}
.entry-content p{font-size:17px;line-height:1.9;color:var(--text-2)}
.entry-content a{color:var(--brand);font-weight:600}
.entry-content a:hover{text-decoration:underline}
.entry-content ul,.entry-content ol{padding-left:22px}
.entry-content ul{list-style:none;padding-left:0}
.entry-content ul li{position:relative;padding-left:20px}
.entry-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.entry-content ol{list-style:decimal}
.entry-content ol li::marker{color:var(--brand);font-weight:700}
.entry-content li + li{margin-top:.5em}
.entry-content blockquote{
  margin:1.6em 0;padding:20px 22px;background:var(--line-soft);border-left:4px solid var(--accent);
  border-radius:0 var(--r-m) var(--r-m) 0;color:var(--text-2);font-size:16px;
}
.entry-content img{border-radius:var(--r-m);margin:1.6em auto}
.entry-content figure{margin:1.8em 0}
.entry-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.entry-content table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.entry-content .table-wrap{overflow-x:auto}
.entry-content th{background:var(--brand-soft);color:var(--text);text-align:left;font-weight:600}
.entry-content th,.entry-content td{padding:12px 14px;border:1px solid var(--border)}
.entry-content tbody tr:nth-child(even){background:var(--line-soft)}
.entry-content code{background:var(--surface);padding:2px 6px;border-radius:6px;font-size:14px}
.entry-content pre{background:var(--surface);border-radius:var(--r-m);padding:18px;overflow-x:auto}
.entry-content hr{border:0;border-top:1px solid var(--divider);margin:2em 0}

/* 文中 CTA */
.inline-cta{
  margin:32px 0;padding:24px;border-radius:var(--r-l);background:var(--brand-soft);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.inline-cta h3{font-size:18px;color:var(--text)}
.inline-cta p{font-size:14px;color:var(--text-2);margin-top:6px}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:var(--line-soft);border-radius:var(--r-l);
  border:1px dashed var(--border);
}
.empty-state svg{width:56px;height:56px;color:var(--text-3);margin:0 auto 16px}
.empty-state p{color:var(--text-2);margin-bottom:20px}

/* 侧栏 */
.sidebar{position:sticky;top:132px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-l);padding:20px;box-shadow:var(--sh1)}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.hot-list li + li{border-top:1px solid var(--divider)}
.hot-list a{display:flex;gap:10px;padding:12px 0;align-items:flex-start}
.hot-list .num{
  flex:none;width:22px;height:22px;border-radius:6px;background:var(--surface);color:var(--text-3);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.hot-list li:nth-child(1) .num{background:var(--accent);color:#fff}
.hot-list li:nth-child(2) .num{background:var(--brand);color:#fff}
.hot-list li:nth-child(3) .num{background:var(--third);color:#fff}
.hot-list span.t{font-size:14px;line-height:1.6;color:var(--text-2);transition:color .2s var(--ease)}
.hot-list a:hover span.t{color:var(--brand)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  font-size:13px;padding:6px 12px;border-radius:var(--r-p);background:var(--surface);
  color:var(--text-2);transition:all .2s var(--ease);
}
.tag-cloud a:hover{background:var(--brand-soft);color:var(--brand)}
.side-cta{background:linear-gradient(160deg,var(--brand) 0%,#2B6BF0 100%);color:#fff;border:0}
.side-cta h3{color:#fff}
.side-cta h3::before{background:#fff}
.side-cta p{font-size:14px;color:rgba(255,255,255,.86);margin-bottom:16px}
.side-cta .btn{width:100%;background:#fff;color:var(--brand)}
.side-cta .btn:hover{background:var(--brand-soft)}

/* 相关推荐 */
.section{margin-top:56px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:26px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card-media::after{
  content:"";position:absolute;inset:0;background:rgba(14,27,46,0);transition:background .3s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04)}
.card:hover .card-media::after{background:rgba(14,27,46,.22)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5}
.card-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:12px;color:var(--text-3);display:flex;gap:8px;align-items:center;margin-top:auto}

/* 上下篇 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
.pager a{
  display:block;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  box-shadow:var(--sh1);transition:all .2s var(--ease);
}
.pager a:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--sh2)}
.pager .label{font-size:12px;color:var(--text-3);display:block;margin-bottom:6px}
.pager strong{font-size:15px;font-weight:600;color:var(--text)}
.pager .right{text-align:right}

/* FAQ */
.faq{margin-top:56px}
.faq-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-l);box-shadow:var(--sh1);overflow:hidden}
.faq details{border-bottom:1px solid var(--divider)}
.faq details:last-child{border-bottom:0}
.faq summary{
  cursor:pointer;list-style:none;padding:16px 20px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand);transition:transform .2s var(--ease);flex:none;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-panel{padding:0 20px 20px;font-size:15px;color:var(--text-2);line-height:1.8}

/* 底部 CTA */
.bottom-cta{
  margin-top:56px;background:var(--brand-soft);border-radius:var(--r-xl);padding:40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.bottom-cta h3{font-size:22px;margin-bottom:8px}
.bottom-cta p{font-size:15px;color:var(--text-2)}
.bottom-cta .actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:#121A2B;color:#B9C2D0;margin-top:72px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand svg{width:28px;height:28px}
.footer-brand span{color:#fff;font-size:16px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.8;color:#98A4B6}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer li + li{margin-top:10px}
.site-footer a{font-size:14px;transition:color .2s var(--ease)}
.site-footer a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#8A94A6;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:28px}
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar-links{display:none}
  .mainbar-inner{flex-wrap:wrap;gap:12px}
  .brand{order:1}
  .mainbar-actions{order:2;margin-left:auto}
  .search{order:3;flex:0 0 100%;max-width:100%}
  .menu-toggle{display:inline-flex}
  .mainbar-actions .btn-ghost{display:none}
  .article-head{padding:24px}
  .article-body{padding:22px}
  .entry-content,.entry-content p{font-size:16px}
  .entry-content h2{font-size:20px}
  .sidebar{grid-template-columns:minmax(0,1fr)}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .pager .right{text-align:left}
  .bottom-cta{padding:26px}
  .section-head h2{font-size:22px}
  .page-wrap{padding:20px 0 48px}
}
@media (max-width:480px){
  .brand-name{font-size:15px}
  .search button{padding:0 14px}
  .article-head h1{font-size:24px}
  .btn{width:100%}
  .inline-cta .btn,.bottom-cta .btn,.side-cta .btn{width:100%}
  .bottom-cta .actions{width:100%}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --primary:#1E5AE8;
  --primary-hover:#1748C4;
  --primary-light:#E8EFFE;
  --accent:#FF6A2B;
  --accent-hover:#E2551A;
  --accent-light:#FFF0E8;
  --mint:#12B5A5;
  --mint-light:#E4F7F5;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --sub:#F0F3F9;
  --text:#0E1B2E;
  --text-2:#4A5568;
  --text-3:#8A94A6;
  --line:#E4E9F2;
  --sep:#EEF1F7;
  --warn:#F5A524;
  --err:#E5484D;
  --sh1:0 2px 8px rgba(20,44,92,.06);
  --sh2:0 10px 28px rgba(20,44,92,.10);
  --sh3:0 18px 44px rgba(20,44,92,.14);
  --r-s:8px;
  --r-m:12px;
  --r-c:16px;
  --r-l:20px;
  --r-p:999px;
  --tr:200ms cubic-bezier(.2,.7,.3,1);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--tr),background var(--tr),border-color var(--tr);}
a:hover{color:var(--primary-hover);}
button,input,select{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text);letter-spacing:0;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(30,90,232,.3);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ============ 顶部信息条 ============ */
.topbar{background:#121A2B;color:#B9C2D0;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(30,90,232,.9);color:#fff;font-size:12px;line-height:1.4;padding:3px 10px;border-radius:var(--r-p);white-space:nowrap;}
.topbar-tag .dot{width:6px;height:6px;border-radius:50%;background:#FF6A2B;box-shadow:0 0 0 3px rgba(255,106,43,.25);}
.topbar-left span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap;}
.topbar-right a{color:#B9C2D0;}
.topbar-right a:hover{color:#fff;}

/* ============ 头部主栏 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--sep);transition:box-shadow var(--tr);}
.site-header.scrolled{box-shadow:var(--sh2);}
.header-main-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand svg{width:32px;height:32px;flex:0 0 auto;}
.brand span{font-size:17px;font-weight:700;letter-spacing:.2px;line-height:1.2;}
.brand:hover{color:var(--primary);}
.search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:560px;height:48px;background:var(--sub);border:1.5px solid transparent;border-radius:var(--r-p);padding:0 6px 0 16px;transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);}
.search:hover{background:#EBEFF7;}
.search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,90,232,.12);}
.search svg{width:20px;height:20px;flex:0 0 auto;color:var(--text-3);transition:color var(--tr);}
.search:focus-within svg{color:var(--primary);}
.search input{flex:1 1 auto;min-width:0;height:100%;border:none;background:transparent;outline:none;padding:0 12px;font-size:15px;}
.search input::placeholder{color:var(--text-3);}
.search button{flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--r-p);background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background var(--tr),transform var(--tr);}
.search button:hover{background:var(--primary-hover);}
.search button:active{transform:scale(.97);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;transition:background var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr),transform var(--tr);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);border-color:#C9DAFB;color:var(--primary-hover);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;background:none;border:none;padding:0;}
.btn-text svg{width:16px;height:16px;transition:transform var(--tr);}
.btn-text:hover svg{transform:translateX(3px);}
.hamburger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;background:#fff;}
.hamburger svg{width:20px;height:20px;color:var(--text);}
.hamburger:hover{border-color:#C9DAFB;background:var(--primary-light);}

/* ============ 分类胶囊导航 ============ */
.cat-nav{border-top:1px solid var(--sep);background:#fff;}
.cat-list{display:flex;align-items:center;gap:10px;height:54px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.cat-list::-webkit-scrollbar{display:none;}
.cat-list a{display:inline-flex;align-items:center;white-space:nowrap;height:36px;padding:0 16px;border-radius:var(--r-p);font-size:14px;font-weight:600;color:var(--text-2);background:var(--sub);transition:background var(--tr),color var(--tr);}
.cat-list a:hover{background:var(--primary-light);color:var(--primary-hover);}
.cat-list a.active{background:var(--primary);color:#fff;}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(14,27,46,.45);opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr);z-index:70;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:80;transform:translateX(100%);transition:transform var(--tr);padding:24px;overflow-y:auto;box-shadow:var(--sh3);}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head strong{font-size:16px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:#fff;}
.drawer-close svg{width:18px;height:18px;}
.drawer-nav a{display:block;padding:14px 12px;border-radius:10px;color:var(--text);font-weight:600;font-size:15px;border-bottom:1px solid var(--sep);}
.drawer-nav a:last-child{border-bottom:none;}
.drawer-nav a:hover{background:var(--sub);color:var(--primary);}
.drawer-nav a.active{background:var(--primary-light);color:var(--primary-hover);}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current="page"]{color:var(--text-3);}

/* ============ Hero ============ */
.hero{padding:24px 0 0;}
.hero-card{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;background:linear-gradient(180deg,var(--sub) 0%,#fff 100%);border:1px solid var(--line);border-radius:var(--r-l);padding:48px;box-shadow:var(--sh1);}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--primary);font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-p);margin-bottom:18px;}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;margin-bottom:16px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:32px;}
.hero-facts .fact strong{display:block;font-size:24px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-facts .fact span{font-size:13px;color:var(--text-3);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-l);box-shadow:var(--sh2);}
.hero-float{position:absolute;left:-18px;bottom:-18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-c);box-shadow:var(--sh2);padding:14px 18px;min-width:190px;}
.hero-float .flabel{font-size:12px;color:var(--text-3);margin-bottom:6px;}
.hero-float .frow{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto;animation:pulse 1.8s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,106,43,.45);}70%{box-shadow:0 0 0 8px rgba(255,106,43,0);}100%{box-shadow:0 0 0 0 rgba(255,106,43,0);}}

/* ============ 通用板块 ============ */
.section{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:1px;color:var(--primary);background:var(--primary-light);padding:4px 12px;border-radius:var(--r-p);margin-bottom:12px;}

/* ============ 数据横条 ============ */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-c);box-shadow:var(--sh1);padding:28px 32px;}
.stat-item{position:relative;padding-left:18px;}
.stat-item::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--primary);}
.stat-item:nth-child(2)::before{background:var(--accent);}
.stat-item:nth-child(3)::before{background:var(--mint);}
.stat-item:nth-child(4)::before{background:var(--warn);}
.stat-item strong{display:block;font-size:28px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-item span{display:block;font-size:13px;color:var(--text-2);margin-top:4px;}

/* ============ 卡片网格混排 ============ */
.grid-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 300px;gap:24px;align-items:start;}
.sport-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);box-shadow:var(--sh1);overflow:hidden;transition:box-shadow var(--tr),transform var(--tr);display:flex;flex-direction:column;height:100%;}
.sport-card:hover{box-shadow:var(--sh2);transform:translateY(-4px);}
.card-media{position:relative;overflow:hidden;display:block;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--tr);}
.card-media::after{content:"";position:absolute;inset:0;background:rgba(14,27,46,0);transition:background var(--tr);}
.sport-card:hover .card-media img{transform:scale(1.04);}
.sport-card:hover .card-media::after{background:rgba(14,27,46,.35);}
.media-label{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.94);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-p);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-p);font-size:12px;line-height:1.4;font-weight:600;}
.badge-primary{background:var(--primary-light);color:var(--primary-hover);}
.badge-accent{background:var(--accent-light);color:var(--accent-hover);}
.badge-mint{background:var(--mint-light);color:#0A8F83;}
.badge-neutral{background:var(--sub);color:var(--text-2);}
.card-body h3{font-size:20px;line-height:1.45;margin-bottom:10px;}
.card-body .desc{font-size:15px;color:var(--text-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.points{margin-bottom:18px;display:grid;gap:8px;}
.points li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);}
.points li::before{content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;border-radius:2px;background:var(--primary);}
.sport-card:nth-child(even) .points li::before{background:var(--mint);}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--sep);font-size:13px;color:var(--text-3);}

/* 窄条卡 */
.mini-col{display:grid;gap:24px;}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);box-shadow:var(--sh1);padding:18px;display:flex;gap:14px;transition:box-shadow var(--tr),transform var(--tr);}
.mini-card:hover{box-shadow:var(--sh2);transform:translateY(-3px);}
.mini-card img{width:84px;height:84px;flex:0 0 auto;object-fit:cover;border-radius:var(--r-m);}
.mini-card h4{font-size:15px;line-height:1.5;margin-bottom:6px;}
.mini-card p{font-size:13px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px;}
.mini-head h3{font-size:16px;}
.heat{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.heat-bar{width:52px;height:6px;border-radius:var(--r-p);background:var(--sub);overflow:hidden;}
.heat-bar i{display:block;height:100%;border-radius:var(--r-p);background:linear-gradient(90deg,var(--accent),#FF9A62);}

/* ============ 覆盖范围 ============ */
.scope{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh1);padding:40px;}
.scope img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-c);}
.scope h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px;}
.scope p{font-size:15px;color:var(--text-2);margin-bottom:22px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-p);background:var(--sub);color:var(--text-2);font-size:13px;font-weight:600;transition:background var(--tr),color var(--tr);}
.tag:hover{background:var(--primary-light);color:var(--primary-hover);}
.tag.mint{background:var(--mint-light);color:#0A8F83;}
.tag.accent{background:var(--accent-light);color:var(--accent-hover);}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);box-shadow:var(--sh1);padding:26px 24px;transition:box-shadow var(--tr),transform var(--tr),border-color var(--tr);}
.step:hover{box-shadow:var(--sh2);transform:translateY(-4px);border-color:#C9DAFB;}
.step-num{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--r-m);background:var(--primary-light);color:var(--primary-hover);font-size:17px;font-weight:700;margin-bottom:16px;font-variant-numeric:tabular-nums;}
.step:nth-child(2) .step-num{background:var(--accent-light);color:var(--accent-hover);}
.step:nth-child(3) .step-num{background:var(--mint-light);color:#0A8F83;}
.step:nth-child(4) .step-num{background:#FDF3E3;color:#B8791A;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);}

/* ============ 评价 ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);box-shadow:var(--sh1);padding:26px 24px;display:flex;flex-direction:column;}
.review .quote{font-size:15px;color:var(--text-2);margin-bottom:20px;flex:1 1 auto;}
.review .who{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--sep);}
.avatar{width:40px;height:40px;flex:0 0 auto;border-radius:50%;background:var(--primary-light);color:var(--primary-hover);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;}
.who strong{display:block;font-size:14px;line-height:1.4;}
.who span{font-size:12px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);box-shadow:var(--sh1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--sep);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:16px 24px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;transition:background var(--tr),color var(--tr);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F7F9FC;color:var(--primary-hover);}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;transition:transform var(--tr);}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-answer{padding:0 24px 20px;font-size:15px;color:var(--text-2);}

/* ============ CTA 条 ============ */
.cta-band{margin-top:64px;background:var(--primary-light);border-radius:var(--r-l);padding:40px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:#121A2B;color:#B9C2D0;margin-top:64px;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:28px;height:28px;flex:0 0 auto;}
.footer-brand span{color:#fff;font-size:16px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.9;color:#B9C2D0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer ul{display:grid;gap:10px;}
.site-footer li{font-size:14px;line-height:1.6;}
.site-footer a{color:#B9C2D0;}
.site-footer a:hover{color:#fff;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:#8A94A6;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .grid-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .mini-col{grid-column:1 / -1;grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .topbar-right{display:none;}
  .hero-card{grid-template-columns:1fr;gap:32px;padding:36px;}
  .hero-media{order:2;}
  .hero-float{left:16px;bottom:16px;}
  .stats-bar{grid-template-columns:repeat(2,1fr);padding:24px;}
  .scope{grid-template-columns:1fr;padding:32px;}
  .scope img{order:-1;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:1fr;gap:20px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .header-main-inner{gap:16px;}
  .search{max-width:none;}
}
@media (max-width:768px){
  .header-main-inner{flex-wrap:wrap;height:auto;padding:14px 0;row-gap:12px;}
  .brand{order:1;}
  .header-actions{order:2;margin-left:auto;}
  .search{order:3;flex:1 1 100%;}
  .hamburger{display:flex;}
  .header-actions .btn-ghost{display:none;}
  .cat-list{height:50px;}
  .section{padding:44px 0 0;}
  .grid-layout{grid-template-columns:1fr;}
  .mini-col{grid-template-columns:1fr;}
  .stats-bar{grid-template-columns:1fr 1fr;gap:18px;}
  .cta-band{padding:28px 24px;margin-top:44px;}
  .site-footer{margin-top:44px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .hero-card{padding:24px;border-radius:var(--r-c);}
  .hero-cta .btn{width:100%;}
  .hero-facts{gap:20px;}
  .stats-bar{grid-template-columns:1fr;padding:20px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .card-body{padding:18px;}
  .btn{height:44px;padding:0 18px;}
  .search{height:46px;padding-left:14px;}
  .search button{height:34px;padding:0 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .sport-card:hover,.step:hover,.mini-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1E5AE8;
  --c-primary-h:#1748C4;
  --c-primary-l:#E8EFFE;
  --c-accent:#FF6A2B;
  --c-accent-h:#E2551A;
  --c-accent-l:#FFF0E8;
  --c-teal:#12B5A5;
  --c-teal-l:#E4F7F5;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --bg-sub:#F0F3F9;
  --text:#0E1B2E;
  --text-2:#4A5568;
  --text-3:#8A94A6;
  --border:#E4E9F2;
  --divider:#EEF1F7;
  --ok:#12B5A5;
  --warn:#F5A524;
  --err:#E5484D;
  --sh-1:0 2px 8px rgba(20,44,92,.06);
  --sh-2:0 10px 28px rgba(20,44,92,.10);
  --sh-3:0 18px 44px rgba(20,44,92,.14);
  --r-s:8px;
  --r-m:12px;
  --r-c:16px;
  --r-l:20px;
  --r-p:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-h)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(30,90,232,.3);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:clamp(24px,3vw,32px)}
.section-desc{margin-top:10px;color:var(--text-2);max-width:52em;font-size:16px}
.muted{color:var(--text-3)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-h);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-h);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--c-primary)}
.btn-outline:hover{border-color:var(--c-primary);background:var(--c-primary-l);color:var(--c-primary-h)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text-2)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{height:auto;padding:0;background:none;border:0;color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover{color:var(--c-primary-h)}
.btn-text:hover svg{transform:translateX(3px)}
.btn[disabled]{opacity:.4;pointer-events:none}

/* ---------- 顶部信息条 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--divider);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-2);border-bottom-color:var(--border)}
.top-bar{background:var(--c-primary-l);color:#1748C4}
.top-bar-inner{display:flex;align-items:center;gap:12px;min-height:38px;font-size:13px;line-height:1.5}
.top-tag{background:var(--c-accent);color:#fff;border-radius:var(--r-p);padding:2px 10px;font-size:12px;font-weight:600;flex:none}
.top-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top-link{color:#1748C4;flex:none;font-weight:600}
.top-link:hover{color:var(--c-primary-h)}

/* ---------- 主栏 ---------- */
.masthead-inner{display:flex;align-items:center;gap:24px;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);flex:none}
.logo:hover{color:var(--text)}
.logo svg{width:32px;height:32px;flex:none}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.search{
  flex:1;max-width:560px;margin:0 auto;display:flex;align-items:center;gap:10px;
  height:48px;padding:0 6px 0 16px;background:#fff;
  border:1.5px solid var(--border);border-radius:var(--r-p);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(30,90,232,.12)}
.search-icon{display:flex;color:var(--text-3);flex:none}
.search:hover .search-icon{color:var(--c-primary)}
.search-input{flex:1;min-width:0;height:100%;border:0;outline:none;background:transparent;font-size:15px}
.search-input::placeholder{color:var(--text-3)}
.search-btn{height:38px;padding:0 20px;border:0;border-radius:var(--r-p);background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;flex:none;transition:background .2s var(--ease)}
.search-btn:hover{background:var(--c-primary-h)}
.masthead-actions{display:flex;align-items:center;gap:12px;flex:none}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r-m);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ---------- 分类胶囊导航 ---------- */
.cat-nav{border-top:1px solid var(--divider)}
.cat-list{display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.cat-list::-webkit-scrollbar{display:none}
.cat-list a{display:block;padding:8px 16px;border-radius:var(--r-p);font-size:14px;color:var(--text-2);white-space:nowrap;border:1px solid transparent;transition:background .2s var(--ease),color .2s var(--ease)}
.cat-list a:hover{background:var(--c-primary-l);color:var(--c-primary-h)}
.cat-list a.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(14,27,46,.45);opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);z-index:110}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;background:#fff;z-index:120;
  transform:translateX(100%);transition:transform .28s var(--ease);box-shadow:var(--sh-3);
  padding:24px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:16px;font-weight:700}
.drawer-close{width:40px;height:40px;border:1px solid var(--border);border-radius:var(--r-m);background:#fff;cursor:pointer}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-nav li+li{margin-top:8px}
.drawer-nav a{display:block;padding:12px 14px;border-radius:var(--r-m);color:var(--text);font-size:15px;border:1px solid var(--border);transition:background .2s var(--ease),border-color .2s var(--ease)}
.drawer-nav a:hover{background:var(--c-primary-l);border-color:var(--c-primary-l);color:var(--c-primary-h)}
.drawer-nav a.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.drawer-foot{margin-top:24px;font-size:13px;color:var(--text-3);line-height:1.7}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--border)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb [aria-current="page"]{color:var(--text-3)}

/* ---------- Hero ---------- */
.hero{padding:28px 0 8px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--c-accent-l);color:var(--c-accent-h);border-radius:var(--r-p);padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:18px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.hero h1{font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.5px}
.hero-sub{margin-top:16px;font-size:18px;color:var(--text-2);max-width:34em}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.trust{display:flex;gap:40px;margin-top:36px;flex-wrap:wrap}
.trust-item .tnum{font-size:24px;font-weight:700;line-height:1.2;color:var(--c-primary)}
.trust-item span{display:block;font-size:13px;color:var(--text-3);margin-top:2px}
.hero-media{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);background:var(--bg-sub)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-float{
  position:absolute;right:16px;bottom:16px;background:rgba(255,255,255,.96);border-radius:var(--r-m);
  padding:12px 16px;box-shadow:var(--sh-2);min-width:170px;backdrop-filter:blur(4px);
}
.hero-float strong{display:block;font-size:20px;font-weight:700;color:var(--c-accent)}
.hero-float span{font-size:12px;color:var(--text-3)}

/* ---------- 数据横条 ---------- */
.stat-bar{margin-top:48px;background:#fff;border:1px solid var(--border);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:28px 8px;display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{text-align:center;padding:0 16px;border-right:1px solid var(--divider)}
.stat-cell:last-child{border-right:0}
.stat-cell .tnum{font-size:28px;font-weight:700;line-height:1.2}
.stat-cell p{margin-top:4px;font-size:13px;color:var(--text-3)}

/* ---------- 排行列表 ---------- */
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{
  display:grid;grid-template-columns:56px 96px 1fr 190px;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-c);box-shadow:var(--sh-1);
  padding:16px 22px;transition:box-shadow .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.rank-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);background:#FBFCFE}
.rank-no{font-size:22px;font-weight:700;color:var(--text-3);text-align:center;font-variant-numeric:tabular-nums}
.rank-item.top .rank-no{color:var(--c-accent)}
.rank-thumb{width:96px;aspect-ratio:3/4;border-radius:var(--r-m);overflow:hidden;background:var(--bg-sub)}
.rank-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rank-item:hover .rank-thumb img{transform:scale(1.05)}
.rank-main h3{font-size:17px;font-weight:600}
.rank-main h3 a{color:var(--text)}
.rank-main h3 a:hover{color:var(--c-primary)}
.rank-main p{margin-top:6px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-tags{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-p);font-size:12px;line-height:1.4;background:var(--bg-sub);color:var(--text-2)}
.tag-primary{background:var(--c-primary-l);color:var(--c-primary-h)}
.tag-accent{background:var(--c-accent-l);color:var(--c-accent-h)}
.tag-teal{background:var(--c-teal-l);color:#0B8C80}
.rank-heat{text-align:right}
.rank-heat .tnum{font-size:16px;font-weight:700;color:var(--c-accent)}
.heat-track{margin-top:8px;height:6px;border-radius:var(--r-p);background:var(--bg-sub);overflow:hidden}
.heat-fill{height:100%;border-radius:var(--r-p);background:var(--c-primary)}
.heat-fill.warm{background:var(--c-accent)}
.heat-fill.cool{background:var(--c-teal)}

/* ---------- 横向滑动卡条 ---------- */
.hscroll{display:flex;gap:24px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--border) transparent}
.hscroll::-webkit-scrollbar{height:6px}
.hscroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--r-p)}
.hcard{
  flex:0 0 288px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-c);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.hcard:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.hcard-media{position:relative;overflow:hidden}
.hcard-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease)}
.hcard:hover .hcard-media img{transform:scale(1.04)}
.hcard-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,27,46,0) 45%,rgba(14,27,46,.42) 100%);opacity:0;transition:opacity .25s var(--ease)}
.hcard:hover .hcard-media::after{opacity:1}
.hcard-body{padding:18px 20px 22px}
.hcard-body h3{font-size:17px;font-weight:600}
.hcard-body p{margin-top:8px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hcard-meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}

/* ---------- 时间轴 ---------- */
.timeline{margin-top:8px}
.tl-item{position:relative;padding:0 0 32px 60px}
.tl-item::before{content:"";position:absolute;left:20px;top:44px;bottom:-2px;width:2px;background:var(--divider)}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-dot{position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:700;color:#fff;background:var(--c-primary);font-variant-numeric:tabular-nums;box-shadow:var(--sh-1)}
.tl-item:nth-child(even) .tl-dot{background:var(--c-accent)}
.tl-item h3{font-size:20px;font-weight:600}
.tl-item p{margin-top:8px;color:var(--text-2);max-width:62em}

/* ---------- 对照表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--r-l);box-shadow:var(--sh-1);overflow:hidden}
.table-scroll{overflow-x:auto}
.compare{min-width:720px;font-size:15px}
.compare thead th{background:var(--c-primary-l);color:#1748C4;font-weight:600;text-align:left;padding:16px 20px;font-size:14px;white-space:nowrap}
.compare tbody td{padding:16px 20px;border-top:1px solid var(--divider);color:var(--text-2);vertical-align:top}
.compare tbody tr:nth-child(even){background:#F7F9FC}
.compare tbody td:first-child{color:var(--text);font-weight:600}
.compare tbody tr:hover{background:var(--c-primary-l)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:#fff;border:1px solid var(--border);border-radius:var(--r-c);box-shadow:var(--sh-1);overflow:hidden}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;font-size:16px;font-weight:600;line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{flex:none;width:26px;height:26px;border-radius:50%;background:var(--c-primary-l);color:var(--c-primary);display:grid;place-items:center;font-size:16px;line-height:1;transition:transform .2s var(--ease),background .2s var(--ease)}
.faq details[open] summary .plus{transform:rotate(45deg);background:var(--c-accent-l);color:var(--c-accent-h)}
.faq .answer{padding:0 22px 20px;color:var(--text-2);font-size:15px;border-top:1px solid var(--divider);padding-top:16px}
.faq summary:hover{color:var(--c-primary-h)}

/* ---------- CTA 区 ---------- */
.cta-band{background:var(--c-primary-l);border-radius:var(--r-l);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h3{font-size:24px}
.cta-band p{margin-top:10px;color:var(--text-2);max-width:44em}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#121A2B;color:#B9C2D0;margin-top:72px;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:28px;height:28px;flex:none}
.footer-brand span{color:#fff;font-size:16px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.9;color:#B9C2D0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer li+li{margin-top:10px}
.site-footer ul a,.site-footer ul span{color:#B9C2D0;font-size:14px}
.site-footer ul a:hover{color:#fff}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A94A6}

/* ---------- 浮动操作条 ---------- */
.float-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.97);border-top:1px solid var(--border);box-shadow:0 -6px 20px rgba(20,44,92,.08);
  padding:10px 16px;align-items:center;justify-content:space-between;gap:12px;
}
.float-bar span{font-size:14px;font-weight:600}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .hero-grid{gap:32px}
}
@media (max-width:1023px){
  .section{padding:52px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:20px 0;padding:24px 8px}
  .stat-cell:nth-child(2n){border-right:0}
  .rank-item{grid-template-columns:44px 84px 1fr;}
  .rank-heat{grid-column:3;text-align:left;margin-top:12px}
  .rank-thumb{width:84px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .top-bar{display:none}
  .masthead-inner{flex-wrap:wrap;gap:12px;padding:12px 0}
  .logo{order:1}
  .masthead-actions{order:2;margin-left:auto}
  .menu-toggle{display:inline-flex}
  .search{order:3;flex:0 0 100%;max-width:none;margin:0}
  .cat-list{padding:8px 0}
  .section{padding:44px 0}
  .section-head{align-items:flex-start;margin-bottom:24px}
  .hero{padding:20px 0 0}
  .hero-cta .btn{flex:1 1 auto}
  .trust{gap:26px}
  .cta-band{padding:32px 24px}
  .cta-band .btn{flex:1 1 auto}
  .float-bar{display:flex}
  body{padding-bottom:68px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:8px}
  .site-footer{margin-top:48px}
}
@media (max-width:520px){
  body{font-size:15px}
  .logo-text{font-size:15px;white-space:normal;max-width:9em;line-height:1.3}
  .hero h1{letter-spacing:0}
  .hero-sub{font-size:16px}
  .stat-bar{grid-template-columns:1fr;gap:0}
  .stat-cell{border-right:0;border-bottom:1px solid var(--divider);padding:16px 8px}
  .stat-cell:last-child{border-bottom:0}
  .rank-item{grid-template-columns:36px 72px 1fr;gap:12px;padding:14px}
  .rank-thumb{width:72px}
  .rank-heat .heat-track{display:none}
  .hcard{flex:0 0 240px}
  .tl-item{padding-left:52px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .btn-sm{height:38px;padding:0 14px}
  .faq summary{padding:14px 16px;font-size:15px}
  .faq .answer{padding:14px 16px 18px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}