/* roulang page: index */
:root{
  --brand:#FF6A1F;
  --brand-dark:#E9520B;
  --pulse:#FF2D6E;
  --turf:#0FB98A;
  --amber:#FFB020;
  --red:#E23D3D;
  --ink-900:#10161A;
  --ink-800:#12181C;
  --ink-700:#2A3439;
  --ink-500:#5A666D;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E2DA;
  --soft:#FBF7F3;
  --grad:linear-gradient(135deg,#FF6A1F 0%,#FF2D6E 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,22,26,.06),0 12px 32px -12px rgba(16,22,26,.18);
  --sh-2:0 18px 40px -14px rgba(16,22,26,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --t:180ms var(--ease);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",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:1.85;color:var(--ink-700);background:var(--paper);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-weight:800}

/* ---------- 布局骨架 ---------- */
.layout{display:block;min-height:100vh}
@media (min-width:1024px){
  .layout{display:grid;grid-template-columns:248px minmax(0,1fr)}
}
.topbar{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;height:58px;padding:0 16px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
@media (min-width:1024px){.topbar{display:none}}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{width:36px;height:36px;border-radius:12px;background-image:var(--grad);display:flex;align-items:center;justify-content:center;flex:0 0 auto;box-shadow:0 8px 18px -10px rgba(255,45,110,.8)}
.brand-mark span{width:14px;height:14px;border:2.5px solid #fff;border-radius:50%;position:relative}
.brand-mark span::after{content:"";position:absolute;left:50%;top:50%;width:0;height:0;border-left:7px solid #fff;border-top:4.5px solid transparent;border-bottom:4.5px solid transparent;transform:translate(-30%,-50%)}
.brand-text{font-size:16px;font-weight:800;color:var(--ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .brand-text{color:var(--ink-900)}
.burger{width:40px;height:40px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 9px;border-radius:12px}
.burger i{display:block;height:2px;background:var(--ink-900);border-radius:2px;transition:var(--t)}
.burger:hover{background:var(--soft)}

/* ---------- 侧栏导航 ---------- */
.sidebar{display:none}
@media (min-width:1024px){
  .sidebar{display:flex;flex-direction:column;position:sticky;top:0;height:100vh;background:var(--ink-800);border-right:1px solid rgba(255,255,255,.08);overflow-y:auto;padding-bottom:22px}
}
.side-brand{height:88px;display:flex;align-items:center;gap:12px;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08);flex:0 0 auto}
.side-brand .brand-text{color:#fff;font-size:16px}
.side-label{padding:20px 20px 8px;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.38);font-weight:700}
.nav-item{position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 20px;color:rgba(255,255,255,.68);font-size:15px;font-weight:600;transition:background var(--t),color var(--t)}
.nav-item .ico{width:20px;display:flex;justify-content:center;color:rgba(255,255,255,.45);transition:color var(--t)}
.nav-item .ico svg{width:16px;height:16px}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item:hover .ico{color:#fff}
.nav-item.active{background:rgba(255,106,31,.12);color:var(--brand)}
.nav-item.active .ico{color:var(--brand)}
.nav-item.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--grad)}
.side-card{margin:22px 16px 0;padding:16px;border-radius:var(--r-md);background:rgba(255,106,31,.12);border:1px solid rgba(255,106,31,.5)}
.side-card h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:4px}
.side-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.7);margin-bottom:12px}
.side-card .btn{width:100%;height:38px;font-size:14px}
.side-note{margin-top:auto;padding:18px 20px 0;font-size:12px;color:rgba(255,255,255,.35);line-height:1.7}

/* ---------- 抽屉 ---------- */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:80}
.overlay.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;left:0;bottom:0;width:280px;max-width:86vw;background:var(--ink-800);transform:translateX(-100%);transition:transform var(--t);z-index:90;overflow-y:auto;padding-bottom:22px}
.drawer.open{transform:translateX(0)}
.drawer .side-brand{height:64px}
.drawer .nav-item{height:48px}
.drawer-close{position:absolute;top:14px;right:12px;width:36px;height:36px;border-radius:12px;border:0;background:rgba(255,255,255,.08);color:#fff;font-size:18px;line-height:1}
.drawer-close:hover{background:rgba(255,255,255,.16)}

/* ---------- 内容容器 ---------- */
.content{min-width:0;padding:20px 16px 0}
@media (min-width:1024px){.content{padding:32px 32px 0}}
.inner{max-width:1240px;margin:0 auto}
@media (min-width:1536px){.inner{max-width:1320px}}
.section{margin-top:56px}
@media (min-width:1024px){.section{margin-top:64px}}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
h2{font-size:23px;line-height:1.3;font-weight:800;color:var(--ink-900);position:relative;padding-left:16px}
@media (min-width:1024px){h2{font-size:26px}}
h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:var(--grad)}
.section-sub{margin-top:6px;padding-left:16px;font-size:14px;color:var(--ink-500);line-height:1.7}
.link-more{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;border:0;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
.btn-primary{background-image:var(--grad);background-size:170% 100%;background-position:0% 0;color:#fff;box-shadow:0 10px 22px -12px rgba(255,45,110,.85)}
.btn-primary:hover{background-position:62% 0;color:#fff;box-shadow:0 16px 28px -12px rgba(255,45,110,.9)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:#fff;color:var(--ink-700);border:1.5px solid var(--line)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;color:var(--brand);padding:0 6px;height:40px}
.btn-ghost:hover{color:var(--brand-dark);text-decoration:underline}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn:disabled{filter:saturate(.4);cursor:not-allowed}

/* ---------- 徽章 / 标签 ---------- */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:700;background:rgba(255,106,31,.12);color:var(--brand-dark);white-space:nowrap}
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;background:#fff;border:1px solid var(--line);color:var(--ink-500);white-space:nowrap}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--ink-500)}
.badge.live{color:var(--turf);border-color:rgba(15,185,138,.35);background:rgba(15,185,138,.1)}
.badge.live .dot{background:var(--turf)}
.badge.hot{color:var(--brand-dark);border-color:rgba(255,106,31,.35);background:rgba(255,106,31,.1)}
.badge.hot .dot{background:var(--brand)}
.badge.soon{color:#9a6a00;border-color:rgba(255,176,32,.45);background:rgba(255,176,32,.14)}
.badge.soon .dot{background:var(--amber)}
.badge.neutral{color:var(--ink-500)}

/* ---------- Hero ---------- */
.hero{display:grid;gap:22px}
@media (min-width:1024px){.hero{grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}}
.hero-intro{margin-bottom:22px;max-width:760px}
h1{font-size:clamp(28px,3.6vw,42px);line-height:1.2;font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
.hero-sub{margin-top:12px;font-size:17px;font-weight:600;color:var(--ink-700);line-height:1.65}
.cover-card{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink-900);box-shadow:var(--sh-1);aspect-ratio:16/9}
.cover-card img{width:100%;height:100%;object-fit:cover}
.cover-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,22,26,.15) 0%,rgba(16,22,26,.05) 40%,rgba(16,22,26,.82) 100%)}
.cover-top{position:absolute;top:16px;left:16px;z-index:2;display:flex;gap:8px;flex-wrap:wrap}
.cover-bottom{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px 18px 16px;color:#fff}
.cover-title{font-size:18px;font-weight:800;line-height:1.4;margin-bottom:10px;text-shadow:0 2px 12px rgba(0,0,0,.45)}
.heat{height:6px;border-radius:var(--r-pill);background:rgba(255,255,255,.22);overflow:hidden}
.heat i{display:block;height:100%;width:78%;border-radius:var(--r-pill);background-image:var(--grad)}
.cover-stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:12px;color:rgba(255,255,255,.82)}
.cover-stats b{color:#fff}

/* ---------- 倒计时面板 ---------- */
.countdown{border-radius:var(--r-lg);background-image:var(--grad);padding:22px;color:#fff;box-shadow:var(--sh-1);display:flex;flex-direction:column}
.cd-title{font-size:15px;font-weight:800;letter-spacing:.02em}
.cd-desc{font-size:13px;color:rgba(255,255,255,.85);margin-top:2px}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0 18px}
.cd-cell{background:rgba(16,22,26,.28);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-sm);padding:10px 4px;text-align:center}
.cd-num{font-size:clamp(24px,3vw,34px);line-height:1.1;font-weight:800;font-variant-numeric:tabular-nums}
.cd-label{font-size:11px;color:rgba(255,255,255,.78);margin-top:4px;letter-spacing:.06em}
.hl-list{display:grid;gap:10px;margin-bottom:18px}
.hl-item{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.6;color:rgba(255,255,255,.94)}
.hl-idx{flex:0 0 auto;width:26px;height:20px;border-radius:6px;background:rgba(16,22,26,.32);border:1px solid rgba(255,255,255,.2);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:2px}
.hl-item span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hero-actions{display:flex;gap:10px;margin-top:auto;flex-wrap:wrap}
.hero-actions .btn-primary{background-image:none;background-color:#10161A;box-shadow:0 10px 22px -14px rgba(0,0,0,.9)}
.hero-actions .btn-primary:hover{background-color:#000;background-position:0 0}
.hero-actions .btn-secondary{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.45);color:#fff}
.hero-actions .btn-secondary:hover{background:rgba(255,255,255,.24);border-color:#fff;color:#fff}

/* ---------- 徽章条 ---------- */
.badge-strip{display:flex;gap:10px;margin-top:18px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.badge-strip::-webkit-scrollbar{height:4px}
.badge-strip::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}

/* ---------- 栅格 ---------- */
.grid-8-4{display:grid;gap:24px}
@media (min-width:1024px){.grid-8-4{grid-template-columns:8fr 4fr;align-items:start}}
.sticky-side{display:grid;gap:18px}
@media (min-width:1024px){.sticky-side{position:sticky;top:24px}}
.side-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)}
.side-block h3{font-size:15px;font-weight:800;color:var(--ink-900);margin-bottom:12px}
.side-nav-list{display:grid;gap:4px}
.side-nav-list a{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:12px;font-size:14px;font-weight:600;color:var(--ink-700)}
.side-nav-list a:hover{background:var(--soft);color:var(--brand)}
.side-nav-list a span{font-size:12px;color:var(--ink-500);font-weight:700}

/* ---------- CMS 列表 ---------- */
.list-col{display:grid;gap:18px;min-width:0}
.post-feature{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.post-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.35)}
.post-feature-media{aspect-ratio:16/9;background:var(--soft);overflow:hidden}
.post-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.post-feature:hover .post-feature-media img{transform:scale(1.02)}
.post-feature-body{padding:20px 22px 22px}
.post-feature-body h3{font-size:20px;line-height:1.45;font-weight:800;color:var(--ink-900);margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-feature-body p{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-row{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.post-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.35)}
.post-row-media{flex:0 0 160px;width:160px;height:106px;border-radius:var(--r-md);overflow:hidden;background:var(--soft)}
.post-row-media img{width:100%;height:100%;object-fit:cover}
.post-row-body{min-width:0;display:flex;flex-direction:column}
.post-row-body h3{font-size:18px;line-height:1.45;font-weight:700;color:var(--ink-900);margin:6px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-row-body p{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:10px;flex-wrap:wrap}
.post-meta time{font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.post-meta .arrow{margin-left:auto;font-size:13px;font-weight:700;color:var(--brand)}
.empty-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 20px;text-align:center;box-shadow:var(--sh-1)}
.empty-media{width:240px;max-width:100%;height:160px;margin:0 auto 18px;border-radius:var(--r-md);overflow:hidden;position:relative;background:var(--soft)}
.empty-media img{width:100%;height:100%;object-fit:cover;filter:grayscale(1)}
.empty-media::after{content:"";position:absolute;inset:0;background:rgba(255,106,31,.08)}
.empty-card p{font-size:15px;color:var(--ink-500);margin-bottom:16px}

/* ---------- 分类长条卡 ---------- */
.cat-cards{display:grid;gap:16px}
@media (min-width:760px){.cat-cards{grid-template-columns:repeat(2,1fr)}.cat-cards .cat-card:first-child{grid-column:span 2}}
.cat-card{display:flex;align-items:center;gap:16px;height:88px;padding:0 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.35)}
.cat-icon{flex:0 0 auto;width:48px;height:48px;border-radius:var(--r-sm);background-image:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:800}
.cat-body{min-width:0;flex:1}
.cat-body strong{display:block;font-size:16px;font-weight:800;color:var(--ink-900)}
.cat-body span{display:block;font-size:12px;color:var(--ink-500);margin-top:2px}
.cat-card .chev{flex:0 0 auto;font-size:18px;color:var(--brand);transition:transform var(--t)}
.cat-card:hover .chev{transform:translateX(4px)}

/* ---------- 图文专题 ---------- */
.feature-grid{display:grid;gap:20px}
@media (min-width:760px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.feature-grid{grid-template-columns:repeat(3,1fr)}}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);display:flex;flex-direction:column}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.35)}
.feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.feature-body h3{font-size:18px;font-weight:800;color:var(--ink-900);line-height:1.45}
.feature-body p{font-size:14px;color:var(--ink-500);line-height:1.8}
.feature-list{display:grid;gap:8px;margin-top:2px}
.feature-list li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-700)}
.feature-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--brand)}

/* ---------- 深色数据带 ---------- */
.band{margin-top:56px;background:var(--ink-900);border-radius:var(--r-lg);padding:32px 24px;position:relative;overflow:hidden;color:#fff}
@media (min-width:1024px){.band{margin-top:64px;padding:40px 36px}}
.band::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background-image:var(--grad)}
.band-head{max-width:640px;margin-bottom:26px}
.band-head h2{color:#fff}
.band-head p{margin-top:8px;padding-left:16px;font-size:14px;color:rgba(255,255,255,.66)}
.stat-grid{display:grid;gap:16px}
@media (min-width:640px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:18px}
.stat-num{font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num em{font-size:15px;font-style:normal;color:var(--brand);margin-left:2px}
.stat-label{font-size:13px;color:rgba(255,255,255,.62);margin-top:6px}
.comment-row{display:grid;gap:14px;margin-top:24px}
@media (min-width:760px){.comment-row{grid-template-columns:repeat(3,1fr)}}
.comment{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:18px}
.comment p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.8}
.comment cite{display:block;margin-top:10px;font-size:12px;color:rgba(255,255,255,.48);font-style:normal}
.rating{display:flex;align-items:center;gap:10px;margin-top:22px;flex-wrap:wrap}
.rating-track{flex:1;min-width:180px;height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);overflow:hidden}
.rating-track i{display:block;height:100%;width:92%;border-radius:var(--r-pill);background-image:var(--grad)}
.rating-text{font-size:13px;color:rgba(255,255,255,.72)}
.rating-text b{color:#fff;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.faq-item summary{list-style:none;display:flex;align-items:center;gap:12px;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink-900);cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .sq{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:rgba(255,106,31,.12);color:var(--brand-dark);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
.faq-item summary .caret{margin-left:auto;color:var(--ink-500);transition:transform var(--t);font-size:14px}
.faq-item[open] summary .caret{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-body{padding:0 20px 20px 58px;font-size:15px;line-height:1.85;color:var(--ink-500);background:var(--soft)}
.faq-body strong{color:var(--ink-700)}

/* ---------- CTA ---------- */
.cta-bar{margin-top:56px;background:var(--ink-900);border-radius:var(--r-lg);padding:32px 24px;display:flex;gap:22px;flex-direction:column;position:relative;overflow:hidden}
@media (min-width:1024px){.cta-bar{margin-top:64px;padding:38px 36px;flex-direction:row;align-items:center;justify-content:space-between}}
.cta-bar::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background-image:var(--grad)}
.cta-bar h2{color:#fff}
.cta-bar p{margin-top:8px;padding-left:16px;font-size:14px;color:rgba(255,255,255,.66)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:1023px){.cta-actions .btn{width:100%}}

/* ---------- 页脚 ---------- */
.footer{margin-top:56px;background:var(--ink-800);color:rgba(255,255,255,.7);padding:40px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
@media (min-width:1024px){.footer{margin-top:64px}}
.foot-grid{display:grid;gap:28px}
@media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.foot-col h4{font-size:14px;font-weight:800;color:var(--brand);margin-bottom:14px}
.foot-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.foot-col ul{display:grid;gap:10px}
.foot-col ul a{font-size:14px;color:rgba(255,255,255,.7)}
.foot-col ul a:hover{color:#fff}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-text{color:#fff}
.sub-form{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.sub-form input{flex:1;min-width:150px;height:44px;padding:0 16px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14px}
.sub-form input::placeholder{color:rgba(255,255,255,.4)}
.sub-form input:focus{outline:2px solid var(--brand);outline-offset:1px}
.foot-tip{font-size:12px;color:rgba(255,255,255,.4);margin-top:10px}
.foot-bottom{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45)}
.foot-bottom a{color:rgba(255,255,255,.55)}
.foot-bottom a:hover{color:#fff}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border-radius:50%;background:#fff;border:1.5px solid var(--brand);color:var(--brand);font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t),transform var(--t);z-index:70}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-2px);background:var(--brand);color:#fff}

/* ---------- 响应式微调 ---------- */
@media (max-width:759px){
  .post-row-media{flex:0 0 112px;width:112px;height:84px}
  .post-row{padding:14px;gap:12px}
  .post-row-body h3{font-size:16px}
  .post-feature-body{padding:16px}
  .faq-body{padding:0 16px 18px 16px}
  .cover-bottom{padding:14px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand:#FF6A1F;
  --brand-dark:#E9520B;
  --pulse:#FF2D6E;
  --turf:#0FB98A;
  --amber:#FFB020;
  --red:#E23D3D;
  --ink-900:#10161A;
  --ink-700:#2A3439;
  --ink-500:#5A666D;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E2DA;
  --soft:#FBF7F3;
  --grad:linear-gradient(135deg,#FF6A1F,#FF2D6E);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,22,26,.06),0 12px 32px -12px rgba(16,22,26,.18);
  --sh-2:0 18px 40px -14px rgba(16,22,26,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sidenav-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;padding:0;background:var(--paper);color:var(--ink-700);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.35}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{position:sticky;top:0;z-index:70;display:flex;align-items:center;justify-content:space-between;
  height:58px;padding:0 16px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);display:grid;place-items:center;flex:0 0 auto}
.brand-mark>span{width:10px;height:12px;background:#fff;clip-path:polygon(0 0,100% 50%,0 100%)}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.2px;color:#fff;white-space:nowrap}
.topbar .brand-text{color:var(--ink-900)}
.burger{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;
  display:grid;place-content:center;gap:4px;cursor:pointer;transition:border-color .18s var(--ease)}
.burger:hover{border-color:var(--brand)}
.burger i{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900)}
@media(min-width:1024px){.topbar{display:none}}

/* ---------- 左侧竖向导航 / 移动抽屉 ---------- */
.sidenav{position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;background:#12181C;
  display:flex;flex-direction:column;padding:0 14px 20px;overflow-y:auto;
  transform:translateX(-100%);transition:transform .18s var(--ease)}
.sidenav.open{transform:translateX(0)}
.side-brand{height:64px;display:flex;align-items:center;flex:0 0 auto}
.side-label{font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.38);padding:6px 12px 10px}
.side-nav{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.side-link{position:relative;display:flex;align-items:center;gap:10px;height:48px;padding:0 12px 0 14px;
  border-radius:12px;font-size:15px;color:rgba(255,255,255,.68);transition:all .18s var(--ease)}
.side-link::before{content:"";width:8px;height:8px;border-radius:3px;background:rgba(255,255,255,.28);flex:0 0 auto;
  transition:background .18s var(--ease)}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link:hover::before{background:rgba(255,255,255,.6)}
.side-link.active{background:rgba(255,106,31,.12);color:var(--brand)}
.side-link.active::before{background:var(--brand)}
.side-link.active::after{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--grad)}
.side-card{margin-top:auto;border:1px solid rgba(255,106,31,.45);border-radius:var(--r-md);padding:16px;
  background:linear-gradient(135deg,rgba(255,106,31,.16),rgba(255,45,110,.12))}
.side-card strong{display:block;color:#fff;font-size:14px;font-weight:800;margin-bottom:6px}
.side-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.66);margin-bottom:12px}
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);opacity:0;pointer-events:none;
  transition:opacity .18s var(--ease);z-index:85}
.backdrop.show{opacity:1;pointer-events:auto}
@media(min-width:1024px){
  .sidenav{width:var(--sidenav-w);z-index:50;transform:none;padding:0 12px 20px}
  .side-brand{height:88px}
  .backdrop{display:none}
}

/* ---------- 主区域 ---------- */
.page{padding-left:0}
@media(min-width:1024px){.page{padding-left:var(--sidenav-w)}}
.wrap{width:100%;margin:0 auto;padding:0 16px;max-width:100%}
@media(min-width:1024px){.wrap{padding:0 32px;max-width:1240px}}
@media(min-width:1536px){.wrap{max-width:1320px}}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;gap:8px;padding:22px 0 6px;font-size:14px;color:var(--ink-500);
  white-space:nowrap;overflow-x:auto;scrollbar-width:none}
.crumbs::-webkit-scrollbar{display:none}
.crumbs a{color:var(--ink-500);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumb-cur{color:var(--ink-500);max-width:360px;overflow:hidden;text-overflow:ellipsis}
.crumb-sep{color:#C8C2B8}

/* ---------- 文档栅格 ---------- */
.doc-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:start}
@media(min-width:1280px){.doc-grid{grid-template-columns:minmax(0,1fr) 300px}}

/* ---------- 文章头部 ---------- */
.article-head{padding:14px 0 20px}
.article-head h1{font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.28;letter-spacing:-.01em;margin:14px 0 16px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-500)}
.dot{width:4px;height:4px;border-radius:50%;background:#D6D0C6}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:#F0EDE7;color:var(--ink-700)}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge-brand{background:rgba(255,106,31,.13);color:#C93F06}
.badge-turf{background:rgba(15,185,138,.14);color:#0A8F69}
.badge-amber{background:rgba(255,176,32,.18);color:#9C6400}

/* ---------- 正文卡 ---------- */
.doc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:32px}
@media(max-width:640px){.doc-card{padding:20px;border-radius:var(--r-md)}}
.lede{max-width:760px;font-size:17px;line-height:1.9;color:var(--ink-500);
  padding-bottom:20px;margin-bottom:24px;border-bottom:1px dashed var(--line)}
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--ink-700)}
.article-body p{margin:0 0 18px}
.article-body h2{position:relative;font-size:24px;font-weight:800;color:var(--ink-900);
  margin:34px 0 14px;padding-left:14px;line-height:1.4}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:3px;background:var(--grad)}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink-900);margin:26px 0 12px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(255,106,31,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body img{border-radius:var(--r-md);margin:20px auto;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:8px}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--soft);
  border-left:4px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-700)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px}
.article-body li{margin:6px 0}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body strong{color:var(--ink-900)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:18px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--soft);font-weight:700;color:var(--ink-900)}
.article-body pre{background:#12181C;color:#E9E6E1;padding:16px 18px;border-radius:var(--r-sm);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:18px 0}
.article-body code{background:rgba(16,22,26,.06);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre code{background:none;padding:0}
@media(max-width:640px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:32px 0 12px}
.empty-thumb{width:240px;height:160px;margin:0 auto 20px;border-radius:var(--r-md);overflow:hidden;
  background:#EFEAE3;position:relative}
.empty-thumb img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);opacity:.8}
.empty-thumb::after{content:"";position:absolute;inset:0;background:rgba(255,106,31,.08)}
.empty-title{font-size:20px;font-weight:800;color:var(--ink-900);margin-bottom:8px}
.empty-desc{color:var(--ink-500);font-size:15px;max-width:460px;margin:0 auto 20px}

/* ---------- 操作行 ---------- */
.action-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:var(--r-pill);font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:all .18s var(--ease);text-align:center;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#FF6A1F,#FF2D6E);background-size:160% 160%;background-position:0 0;
  color:#fff;box-shadow:0 12px 26px -12px rgba(255,45,110,.75)}
.btn-primary:hover{background-position:100% 0;filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink-700)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;color:var(--brand);border-color:transparent;padding:0 8px}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.55;cursor:not-allowed;filter:saturate(.6)}

/* ---------- 侧栏 ---------- */
.doc-side{display:none}
@media(min-width:1280px){
  .doc-side{display:block;position:sticky;top:24px;align-self:start}
}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  box-shadow:var(--sh-1);margin-bottom:20px}
.panel-title{font-size:16px;font-weight:800;color:var(--ink-900);margin-bottom:14px;
  display:flex;align-items:center;gap:8px}
.panel-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--grad)}
.panel-nav{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.panel-nav a{display:flex;align-items:center;justify-content:space-between;height:42px;padding:0 12px;
  border-radius:12px;font-size:15px;color:var(--ink-700);transition:all .18s var(--ease)}
.panel-nav a::after{content:"›";color:#C8C2B8;font-size:18px;line-height:1}
.panel-nav a:hover{background:var(--soft);color:var(--brand)}
.panel-nav a:hover::after{color:var(--brand)}
.data-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.data-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;
  padding-bottom:10px;border-bottom:1px dashed var(--line)}
.data-list li:last-child{border-bottom:0;padding-bottom:0}
.data-list span{color:var(--ink-500)}
.data-list strong{color:var(--ink-900);font-variant-numeric:tabular-nums;font-weight:700}
.panel-sub{border-color:rgba(255,106,31,.35);
  background:linear-gradient(135deg,rgba(255,106,31,.09),rgba(255,45,110,.06))}
.panel-sub p{font-size:13px;line-height:1.75;color:var(--ink-500);margin-bottom:14px}
.sub-form{display:flex;gap:8px;flex-wrap:wrap}
.sub-form input{flex:1 1 130px;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-sm);
  border:1.5px solid var(--line);background:#fff;color:var(--ink-900);transition:all .18s var(--ease)}
.sub-form input::placeholder{color:#A8A29A}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,31,.15)}
.sub-msg{display:none;font-size:13px;margin-top:10px}
.sub-msg.ok{display:block;color:#0A8F69}
.sub-msg.err{display:block;color:var(--red)}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin:52px 0 20px;flex-wrap:wrap}
.sec-title{position:relative;font-size:26px;font-weight:800;color:var(--ink-900);
  padding-left:14px;line-height:1.3}
.sec-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:3px;background:var(--grad)}
.sec-more{font-size:14px;font-weight:600;color:var(--brand)}
.sec-more:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media(max-width:900px){.related-grid{grid-template-columns:1fr;gap:16px}}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:all .18s var(--ease);display:block}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.4)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEAE3}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:16px}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-500);flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:border-color .18s var(--ease)}
.faq-item:hover{border-color:rgba(255,106,31,.35)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
  padding:16px 20px;font-size:16px;font-weight:600;color:var(--ink-900)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{width:26px;height:26px;border-radius:8px;background:rgba(255,106,31,.12);color:#C93F06;
  font-size:13px;font-weight:700;display:grid;place-items:center;flex:0 0 auto}
.faq-arrow{margin-left:auto;color:var(--ink-500);font-size:14px;transition:transform .18s var(--ease)}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:14px 20px 18px 58px;font-size:15px;line-height:1.8;color:var(--ink-500);
  background:var(--soft);border-top:1px solid var(--line)}
@media(max-width:520px){.faq-body{padding:14px 16px 18px 16px}}

/* ---------- CTA 条 ---------- */
.cta-bar{position:relative;background:#10161A;border-radius:var(--r-lg);padding:28px 32px;margin-top:56px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;overflow:hidden}
.cta-bar::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad)}
.cta-bar h3{color:#fff;font-size:22px;font-weight:800;margin-bottom:6px}
.cta-bar p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.7}
@media(max-width:768px){
  .cta-bar{flex-direction:column;align-items:stretch;padding:24px;gap:18px}
  .cta-bar .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.footer{position:relative;background:#12181C;color:rgba(255,255,255,.7);margin-top:64px;
  padding:56px 0 28px}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.footer .inner{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media(min-width:1024px){.footer .inner{padding:0 32px;max-width:1240px}}
@media(min-width:1536px){.footer .inner{max-width:1320px}}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-text{color:#fff;font-size:16px;font-weight:800}
.foot-col h4{color:var(--brand);font-size:14px;font-weight:700;margin-bottom:14px}
.foot-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.foot-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot-col ul a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s var(--ease)}
.foot-col ul a:hover{color:#fff}
.footer .sub-form input{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#fff}
.footer .sub-form input::placeholder{color:rgba(255,255,255,.42)}
.footer .sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,31,.22)}
.foot-tip{font-size:12px;color:rgba(255,255,255,.45);margin-top:10px}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:36px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;
  border:1.5px solid var(--brand);background:#fff;color:var(--brand);font-size:18px;line-height:1;
  display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;
  transition:all .18s var(--ease);z-index:60;box-shadow:var(--sh-1)}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--brand);color:#fff}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand:#FF6A1F;
  --brand-deep:#E9520B;
  --pulse:#FF2D6E;
  --turf:#0FB98A;
  --amber:#FFB020;
  --red:#E23D3D;
  --ink900:#10161A;
  --ink800:#12181C;
  --ink700:#2A3439;
  --ink500:#5A666D;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E2DA;
  --soft:#FBF7F3;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,22,26,.06), 0 12px 32px -12px rgba(16,22,26,.18);
  --sh-2:0 18px 40px -14px rgba(16,22,26,.22);
  --grad:linear-gradient(135deg,#FF6A1F 0%,#FF2D6E 100%);
  --t:180ms cubic-bezier(.2,.8,.2,1);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink700);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:var(--brand);text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num,.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 布局骨架 ---------- */
.layout{display:flex;min-height:100vh;align-items:flex-start;}

/* ---------- 侧栏 / 顶部导航 ---------- */
.sidebar{
  flex:0 0 248px;
  width:248px;
  position:sticky;
  top:0;
  height:100vh;
  background:var(--ink800);
  color:#fff;
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-direction:column;
  padding:0 14px 20px;
  z-index:60;
}
.topbar{
  height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:0 6px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:12px;
  background:var(--grad);
  display:grid;place-items:center;
  box-shadow:0 8px 18px -10px rgba(255,45,110,.9);
}
.brand-mark span{
  width:0;height:0;
  border-left:11px solid #fff;
  border-top:7px solid transparent;
  border-bottom:7px solid transparent;
  margin-left:3px;
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.2px;color:#fff;white-space:nowrap;}
.burger{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  place-items:center;
  gap:5px;
  padding:0;
}
.burger i{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink900);}
.side-nav{flex:1;display:flex;flex-direction:column;gap:4px;padding:8px 0;overflow-y:auto;}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;
  border-radius:12px;
  color:rgba(255,255,255,.68);
  font-size:15px;
  transition:background var(--t),color var(--t);
}
.side-nav a svg{width:20px;height:20px;flex:0 0 20px;}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.side-nav a.active{background:rgba(255,106,31,.12);color:var(--brand);}
.side-nav a.active::before{
  content:"";position:absolute;left:-6px;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.side-card{
  margin-top:auto;
  border-radius:var(--r-md);
  padding:14px;
  background:linear-gradient(135deg,rgba(255,106,31,.16),rgba(255,45,110,.08));
  border:1px solid rgba(255,106,31,.4);
}
.side-card h3{font-size:14px;font-weight:800;color:#fff;line-height:1.5;}
.side-card p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.68);margin:6px 0 10px;}
.sub-form{display:flex;gap:8px;}
.sub-form input{
  flex:1;min-width:0;height:42px;
  border-radius:var(--r-sm);
  border:1.5px solid var(--line);
  background:#fff;
  padding:0 14px;
  font-size:14px;
  transition:border-color var(--t),box-shadow var(--t);
}
.sub-form input::placeholder{color:#9aa2a6;}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,31,.16);}
.sub-form-dark input{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff;}
.sub-form-dark input::placeholder{color:rgba(255,255,255,.5);}

/* ---------- 内容容器 ---------- */
.content{flex:1;min-width:0;display:flex;flex-direction:column;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:32px 32px 0;}
.block{margin-top:64px;}
.section + .section{margin-top:44px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;font-weight:700;
  cursor:pointer;
  transition:background-position var(--t),filter var(--t),transform var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.btn-primary{
  background-image:var(--grad);
  background-size:170% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(255,45,110,.75);
}
.btn-primary:hover{background-position:100% 0;filter:brightness(1.04);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink700);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}
.btn-block{width:100%;}
.btn[disabled]{filter:grayscale(40%);opacity:.6;cursor:not-allowed;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink700);
  font-size:12px;font-weight:600;
  white-space:nowrap;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 6px;}
.badge-live{color:var(--turf);border-color:rgba(15,185,138,.32);background:rgba(15,185,138,.08);}
.badge-hot{color:var(--brand);border-color:rgba(255,106,31,.32);background:rgba(255,106,31,.08);}
.badge-soon{color:#a97505;border-color:rgba(255,176,32,.38);background:rgba(255,176,32,.12);}
.badge-muted{color:var(--ink500);background:#fff;}
.badge-row{display:flex;gap:10px;overflow-x:auto;padding:4px 0;margin-top:20px;scrollbar-width:none;}
.badge-row::-webkit-scrollbar{display:none;}

/* ---------- 页头横幅 ---------- */
.pagehead{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(255,106,31,.1),rgba(255,45,110,.04) 55%,rgba(255,255,255,0));
  padding:28px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:var(--gap);
  align-items:center;
}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink500);
  white-space:nowrap;overflow-x:auto;
  margin-bottom:14px;
}
.crumb a{color:var(--ink500);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#c9c1b6;}
.crumb .cur{color:var(--ink700);font-weight:600;}
.pagehead h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.2;
  font-weight:800;
  color:var(--ink900);
  letter-spacing:-.4px;
}
.pagehead h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{font-size:16px;line-height:1.85;color:var(--ink500);max-width:760px;margin-top:14px;}
.pagehead-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);}
.pagehead-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 主体两栏 ---------- */
.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:var(--gap);align-items:start;}
.main-col{min-width:0;}
.aside-sticky{position:sticky;top:24px;display:flex;flex-direction:column;gap:16px;}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px;flex-wrap:wrap;}
.section-title{
  position:relative;
  padding-left:14px;
  font-size:26px;
  font-weight:800;
  line-height:1.3;
  color:var(--ink900);
  letter-spacing:-.2px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  border-radius:4px;background:var(--grad);
}
.section-head p{font-size:14px;color:var(--ink500);margin-top:6px;}
.link-more{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap;}
.link-more:hover{color:var(--brand-deep);text-decoration:underline;}

/* ---------- 图标双列卡 ---------- */
.icon-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);}
.icon-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.icon-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.24);}
.icon-badge{
  width:44px;height:44px;
  border-radius:var(--r-sm);
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,106,31,.16),rgba(255,45,110,.1));
  color:var(--brand);
}
.icon-badge svg{width:22px;height:22px;}
.icon-card h3{font-size:19px;font-weight:700;color:var(--ink900);line-height:1.4;}
.icon-card p{font-size:14px;line-height:1.75;color:var(--ink500);}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}
.tag{
  font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(15,185,138,.1);color:var(--turf);
}
.tag-hot{background:rgba(255,106,31,.1);color:var(--brand);}
.tag-soon{background:rgba(255,176,32,.14);color:#a97505;}
.tag-muted{background:#F1EDE6;color:var(--ink500);}
.arrow{font-weight:800;color:var(--brand);transition:transform var(--t);}
.icon-card:hover .arrow,.match-card:hover .arrow{transform:translateX(4px);}

/* ---------- 场次横条卡 ---------- */
.match-list{display:flex;flex-direction:column;gap:16px;}
.match-card{
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:18px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:16px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.match-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.24);}
.match-thumb{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/11;}
.match-thumb img{width:100%;height:100%;object-fit:cover;}
.match-body h3{font-size:18px;font-weight:700;color:var(--ink900);line-height:1.45;}
.match-desc{font-size:14px;line-height:1.75;color:var(--ink500);margin-top:8px;}
.match-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink500);margin-top:10px;}
.match-meta b{color:var(--ink700);font-weight:700;font-variant-numeric:tabular-nums;}
.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;}
.status i{width:6px;height:6px;border-radius:50%;background:currentColor;display:block;}
.status-live{color:var(--turf);}
.status-soon{color:#a97505;}
.status-end{color:var(--ink500);}

/* ---------- 数据带 ---------- */
.stats-band{
  position:relative;
  overflow:hidden;
  background:var(--ink900);
  border-radius:var(--r-lg);
  padding:34px;
  color:#fff;
}
.stats-band::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);}
.stats-band h2{font-size:24px;font-weight:800;letter-spacing:-.2px;}
.stats-band .sub{font-size:14px;color:rgba(255,255,255,.6);margin-top:8px;max-width:640px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:26px;}
.stat{padding:18px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.03);}
.stat .num{
  font-size:34px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .lbl{font-size:13px;color:rgba(255,255,255,.62);margin-top:8px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--sh-1);
}
.step .n{
  width:28px;height:28px;border-radius:9px;
  background:var(--grad);color:#fff;
  font-size:13px;font-weight:800;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;color:var(--ink900);margin:12px 0 6px;}
.step p{font-size:14px;line-height:1.75;color:var(--ink500);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item summary{
  display:flex;align-items:center;gap:12px;
  padding:18px 20px;
  cursor:pointer;
  list-style:none;
  font-size:16px;font-weight:600;color:var(--ink900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-idx{
  flex:0 0 24px;width:24px;height:24px;
  border-radius:8px;
  background:rgba(255,106,31,.12);
  color:var(--brand);
  font-size:12px;font-weight:800;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.faq-arrow{margin-left:auto;color:var(--ink500);transition:transform var(--t);}
.faq-item[open] .faq-arrow{transform:rotate(180deg);}
.faq-body{
  padding:16px 20px 20px 56px;
  font-size:15px;line-height:1.85;color:var(--ink500);
  background:var(--soft);
  border-top:1px solid var(--line);
}

/* ---------- CTA ---------- */
.cta{
  position:relative;
  overflow:hidden;
  background:var(--ink900);
  border-radius:var(--r-lg);
  padding:34px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  color:#fff;
}
.cta::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);}
.cta h2{font-size:24px;font-weight:800;letter-spacing:-.2px;}
.cta p{font-size:14px;color:rgba(255,255,255,.65);margin-top:10px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta .btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.cta .btn-ghost:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 侧栏卡 ---------- */
.aside-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--sh-1);
}
.aside-card h3{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:800;color:var(--ink900);
  margin-bottom:14px;
}
.aside-card h3::before{content:"";width:4px;height:14px;border-radius:4px;background:var(--grad);}
.aside-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 12px;
  border-radius:12px;
  font-size:14px;
  color:var(--ink700);
  transition:background var(--t),color var(--t);
}
.aside-nav li + li{margin-top:4px;}
.aside-nav a:hover{background:rgba(255,106,31,.08);color:var(--brand);}
.aside-nav a.active{background:rgba(255,106,31,.1);color:var(--brand);font-weight:700;}
.aside-nav a span.count{font-size:12px;color:var(--ink500);font-variant-numeric:tabular-nums;}
.aside-nav a.active span.count{color:var(--brand);}
.mini-badges{display:flex;flex-wrap:wrap;gap:8px;}
.qa{padding-top:12px;margin-top:12px;border-top:1px dashed var(--line);}
.qa:first-of-type{border-top:none;padding-top:0;margin-top:0;}
.qa b{display:block;font-size:14px;font-weight:700;color:var(--ink900);margin-bottom:4px;}
.qa span{font-size:13px;line-height:1.7;color:var(--ink500);}

/* ---------- 页脚 ---------- */
.footer{
  position:relative;
  margin-top:64px;
  background:var(--ink800);
  color:#fff;
  padding:48px 0 24px;
}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);}
.footer .inner{max-width:1240px;margin:0 auto;padding:0 32px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.foot-col h4{font-size:14px;font-weight:800;color:var(--brand);margin-bottom:14px;}
.foot-col ul li a{display:inline-block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.7);}
.foot-col ul li a:hover{color:#fff;}
.foot-tip{font-size:12px;color:rgba(255,255,255,.45);margin-top:10px;}
.foot-bottom{
  margin-top:34px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 抽屉与返回顶部 ---------- */
.overlay{
  position:fixed;inset:0;
  background:rgba(0,0,0,.4);
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:80;
}
.overlay.open{opacity:1;visibility:visible;}
.drawer{
  display:none;
  position:fixed;top:0;left:0;
  width:280px;height:100%;
  background:var(--ink800);
  color:#fff;
  padding:20px 16px;
  flex-direction:column;
  gap:8px;
  transform:translateX(-290px);
  transition:transform var(--t);
  z-index:90;
}
.drawer.open{transform:translateX(0);}
.drawer .drawer-brand{display:flex;align-items:center;gap:10px;padding:6px 6px 18px;}
.drawer .side-nav{flex:1;display:flex;}
.drawer .side-nav a{height:48px;}
body.no-scroll{overflow:hidden;}
.back-top{
  position:fixed;right:24px;bottom:24px;
  width:44px;height:44px;
  border-radius:50%;
  border:1.5px solid var(--brand);
  background:#fff;
  color:var(--brand);
  font-size:18px;font-weight:800;
  display:grid;place-items:center;
  cursor:pointer;
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t),transform var(--t);
  z-index:70;
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .container,.footer .inner{max-width:1240px;}
}
@media (min-width:1536px){
  .container,.footer .inner{max-width:1320px;padding-left:40px;padding-right:40px;}
}
@media (max-width:1023px){
  .layout{display:block;}
  .sidebar{
    position:sticky;top:0;
    width:100%;height:60px;flex:none;
    flex-direction:row;align-items:center;
    background:#fff;color:var(--ink900);
    border-right:none;
    border-bottom:1px solid var(--line);
    padding:0 16px;
    backdrop-filter:saturate(160%) blur(6px);
  }
  .sidebar .topbar{height:60px;flex:1;padding:0;}
  .sidebar .brand-text{color:var(--ink900);font-size:15px;}
  .sidebar .side-nav,
  .sidebar .side-card{display:none;}
  .burger{display:grid;}
  .drawer{display:flex;}
  .container{padding:24px 16px 0;}
  .pagehead{grid-template-columns:1fr;padding:22px;}
  .pagehead-media{display:none;}
  .main-grid{grid-template-columns:1fr;}
  .aside-sticky{position:static;}
  .block{margin-top:44px;}
  .section + .section{margin-top:36px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer .inner{padding:0 16px;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
}
@media (max-width:767px){
  .icon-grid{grid-template-columns:1fr;}
  .match-card{grid-template-columns:1fr;}
  .match-thumb{aspect-ratio:16/9;}
  .stats-band{padding:24px;}
  .cta{padding:24px;}
  .cta{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:519px){
  .steps,.stats-grid,.foot-grid{grid-template-columns:1fr;}
  .section-title{font-size:22px;}
  .pagehead h1{letter-spacing:-.2px;}
  .faq-body{padding:16px 18px 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#FF6A1F;
  --brand-deep:#E9520B;
  --pulse:#FF2D6E;
  --turf:#0FB98A;
  --amber:#FFB020;
  --red:#E23D3D;
  --ink-900:#10161A;
  --ink-700:#2A3439;
  --ink-500:#5A666D;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E2DA;
  --rail:#12181C;
  --grad:linear-gradient(135deg,#FF6A1F 0%,#FF2D6E 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,22,26,.06),0 12px 32px -12px rgba(16,22,26,.18);
  --sh-2:0 18px 40px -14px rgba(16,22,26,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --t:180ms var(--ease);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink-900);margin:0;line-height:1.28;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-deep)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 布局骨架 ============ */
.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}
.content{min-width:0;display:flex;flex-direction:column}
main{flex:1 1 auto}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
@media (min-width:1536px){
  .wrap{max-width:1320px;padding:0 40px}
}

/* ============ 桌面左侧竖栏 ============ */
.siderail{
  position:sticky;top:0;height:100vh;overflow-y:auto;
  background:var(--rail);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  padding:0 16px 20px;
}
.rail-brand{
  height:88px;display:flex;align-items:center;gap:10px;
  padding:0 6px;flex:0 0 auto;
}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background-image:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px -10px rgba(255,45,110,.75);
}
.brand-mark span{
  width:14px;height:14px;border-radius:4px;
  background:rgba(255,255,255,.92);
  clip-path:polygon(0 0,100% 0,100% 42%,52% 42%,100% 42%,100% 100%,0 100%);
}
.brand-text{
  font-size:16px;font-weight:800;color:#fff;letter-spacing:.2px;line-height:1.3;
}
.rail-nav{flex:1 1 auto;padding-top:6px}
.rail-nav ul{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.68);font-size:15px;
  transition:background var(--t),color var(--t);
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:rgba(255,106,31,.12);color:var(--brand)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--brand);
}
.nav-icon{
  width:20px;height:20px;flex:0 0 auto;border-radius:6px;
  background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;
}
.nav-icon::after{content:"";width:7px;height:7px;border-radius:2px;background:currentColor;opacity:.9}
.nav-item.active .nav-icon{background:rgba(255,106,31,.22)}
.rail-card{
  flex:0 0 auto;margin-top:16px;
  border:1px solid rgba(255,106,31,.5);
  background:rgba(255,106,31,.12);
  border-radius:var(--r-md);
  padding:14px;
  color:#fff;
}
.rail-card strong{display:block;font-size:14px;font-weight:800;color:#fff;margin-bottom:4px}
.rail-card p{font-size:12px;line-height:1.6;color:rgba(255,255,255,.72);margin-bottom:10px}
.rail-card .btn{width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;transition:all var(--t);
  white-space:nowrap;text-align:center;
}
.btn-primary{
  background-image:var(--grad);background-size:170% 170%;background-position:0% 50%;
  color:#fff;box-shadow:0 12px 26px -14px rgba(255,45,110,.85);
}
.btn-primary:hover{background-position:38% 50%;color:#fff}
.btn-primary:active{transform:translateY(1px);background-position:0% 50%;filter:brightness(.95)}
.btn-ghost{background:#fff;border:1.5px solid var(--line);color:var(--ink-700)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:36px;padding:0 16px;font-size:13px}
.btn-block{width:100%}
.btn:disabled{filter:saturate(.4);cursor:not-allowed;box-shadow:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;
  background:#F1EDE6;color:var(--ink-500);border:1px solid transparent;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}
.badge-live{color:var(--turf);background:rgba(15,185,138,.12);border-color:rgba(15,185,138,.22)}
.badge-soon{color:#96690A;background:rgba(255,176,32,.18);border-color:rgba(255,176,32,.3)}
.badge-end{color:var(--ink-500);background:#EFEBE4;border-color:#E2DCD3}
.badge-hot{color:var(--brand);background:rgba(255,106,31,.12);border-color:rgba(255,106,31,.22)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,106,31,.1);color:var(--brand);font-size:12px;font-weight:700;
}

/* ============ 移动顶栏 ============ */
.topbar{display:none}
.burger{display:none}
@media (max-width:1023px){
  .shell{grid-template-columns:1fr}
  .siderail{display:none}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    height:58px;padding:0 16px;position:sticky;top:0;z-index:40;
    background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .topbar .brand{display:flex;align-items:center;gap:10px}
  .topbar .brand-text{color:var(--ink-900);font-size:15px}
  .burger{
    display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;
  }
  .burger i{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-700);transition:all var(--t)}
  .burger[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .burger[aria-expanded="true"] i:nth-child(2){opacity:0}
  .burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .wrap{padding:0 16px}
}

/* ============ 抽屉 ============ */
.scrim{
  position:fixed;inset:0;background:rgba(16,22,26,.4);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:60;
}
.scrim.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:61;
  background:var(--rail);padding:0 16px 20px;
  transform:translateX(-100%);transition:transform var(--t);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer .rail-brand{height:64px}
.drawer .nav-item{height:48px}
.drawer .rail-card{margin-top:auto}

/* ============ 顶部横幅 ============ */
.banner{
  margin-top:28px;
  border-radius:var(--r-lg);
  background-image:linear-gradient(135deg,rgba(255,106,31,.09),rgba(255,106,31,0) 62%);
  border:1px solid var(--line);
  padding:28px;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;align-items:center;
}
.crumb{
  display:flex;align-items:center;gap:8px;font-size:14px;
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;padding-bottom:2px;
}
.crumb::-webkit-scrollbar{display:none}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#BFB8AD}
.crumb .cur{color:var(--ink-500)}
.banner h1{font-size:clamp(26px,3.4vw,40px);line-height:1.25;margin:14px 0 12px}
.banner .lead{font-size:16px;line-height:1.85;color:var(--ink-500);max-width:620px}
.banner-pic{
  border-radius:var(--r-md);overflow:hidden;position:relative;
  aspect-ratio:16/10;border:1px solid var(--line);
}
.banner-pic img{width:100%;height:100%;object-fit:cover}
.banner-pic::after{
  content:"";position:absolute;inset:0;background:rgba(255,106,31,.08);
}

/* ============ 板块通用 ============ */
.block{margin-top:64px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-title{
  font-size:26px;position:relative;padding-left:16px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background-image:var(--grad);
}
.sec-sub{font-size:14px;color:var(--ink-500);margin-top:6px;padding-left:16px}
.link-more{font-size:14px;font-weight:700;color:var(--brand)}
.link-more:hover{color:var(--brand-deep)}

/* ============ 数据徽章条 ============ */
.badge-row{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 8px;
  scrollbar-width:none;
}
.badge-row::-webkit-scrollbar{display:none}
.badge-row .badge{flex:0 0 auto;height:30px}

/* ============ 概览数字 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);transition:all var(--t);
}
.stat:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.2)}
.stat .v{font-size:32px;font-weight:800;color:var(--ink-900);line-height:1.1;font-variant-numeric:tabular-nums}
.stat .v small{font-size:14px;font-weight:700;color:var(--ink-500);margin-left:4px}
.stat .k{font-size:13px;color:var(--ink-500);margin-top:8px}

/* ============ 主区两栏 ============ */
.page-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:24px;align-items:start}
.page-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-top:4px}
.timeline::before{
  content:"";position:absolute;left:7px;top:16px;bottom:16px;width:2px;
  background:var(--line);border-radius:2px;
}
.tl-item{position:relative;padding-left:40px;margin-bottom:24px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:0;top:20px;
  width:16px;height:16px;border-radius:50%;background:#fff;
  border:2px solid var(--line);
}
.tl-item::after{
  content:"";position:absolute;left:6px;top:26px;
  width:4px;height:4px;border-radius:50%;background:var(--ink-500);
}
.tl-item.is-live::before{border-color:var(--turf)}
.tl-item.is-live::after{background:var(--turf)}
.tl-item.is-next::before{border-color:var(--brand)}
.tl-item.is-next::after{background:var(--brand)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);transition:all var(--t);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.2)}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}
.tl-time{font-size:14px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums}
.tl-code{font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.tl-card h3{font-size:19px;margin-bottom:8px}
.tl-card .desc{font-size:14px;line-height:1.75;color:var(--ink-500)}
.tl-points{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.tl-points li{
  position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--ink-700);
}
.tl-points li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;
  background-image:var(--grad);
}
.tl-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.tl-thumb{
  width:160px;flex:0 0 auto;aspect-ratio:16/10;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);
}
.tl-thumb img{width:100%;height:100%;object-fit:cover}

/* ============ 侧栏卡片 ============ */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;margin-bottom:12px}
.side-nav{display:flex;flex-direction:column;gap:8px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-700);transition:all var(--t);
}
.side-nav a:hover{border-color:rgba(255,106,31,.4);color:var(--brand);background:rgba(255,106,31,.05)}
.side-nav a.on{background-image:var(--grad);color:#fff;border-color:transparent}
.side-nav a span{font-size:12px;opacity:.75}
.mini-faq{display:flex;flex-direction:column;gap:12px}
.mini-faq li{font-size:14px;line-height:1.7;color:var(--ink-700);padding-left:14px;position:relative}
.mini-faq li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--brand)
}
.mini-faq li b{display:block;color:var(--ink-900);font-weight:700}
.sub-form{display:flex;flex-direction:column;gap:10px}
.sub-form input{
  height:44px;border-radius:var(--r-sm);border:1.5px solid var(--line);
  background:#FCFBF9;padding:0 14px;font-size:14px;color:var(--ink-900);transition:all var(--t);
}
.sub-form input::placeholder{color:#A9A29A}
.sub-form input:focus{border-color:var(--brand);background:#fff;outline:none;box-shadow:0 0 0 3px rgba(255,106,31,.14)}
.form-tip{font-size:12px;color:var(--ink-500);line-height:1.6}

/* ============ 卖点卡 ============ */
.sell-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.sell-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:all var(--t);
  display:flex;flex-direction:column;
}
.sell-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.2)}
.sell-card .pic{aspect-ratio:16/9;overflow:hidden}
.sell-card .pic img{width:100%;height:100%;object-fit:cover}
.sell-card .body{padding:20px 22px 22px}
.sell-card h3{font-size:18px;margin-bottom:8px}
.sell-card p{font-size:14px;line-height:1.8;color:var(--ink-500)}

/* ============ 流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);transition:all var(--t);position:relative;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,31,.2)}
.step .no{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;background:rgba(255,106,31,.12);
  color:var(--brand);font-weight:800;font-size:14px;margin-bottom:14px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--ink-500)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:all var(--t);
}
.faq-item:hover{border-color:rgba(255,106,31,.25)}
.faq-item[open]{box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .idx{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  background:rgba(255,106,31,.12);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.faq-item summary .arrow{
  margin-left:auto;flex:0 0 auto;width:10px;height:10px;
  border-right:2px solid var(--ink-500);border-bottom:2px solid var(--ink-500);
  transform:rotate(45deg);transition:transform var(--t);
}
.faq-item[open] summary .arrow{transform:rotate(-135deg)}
.faq-body{
  padding:0 22px 20px 64px;font-size:15px;line-height:1.85;color:var(--ink-500);
}

/* ============ CTA 条 ============ */
.cta-bar{
  margin-top:64px;background:var(--ink-900);border-radius:var(--r-lg);
  padding:34px 36px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-bar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background-image:var(--grad);
}
.cta-bar h2{color:#fff;font-size:24px;margin-bottom:8px}
.cta-bar p{color:rgba(255,255,255,.7);font-size:15px;line-height:1.75;max-width:620px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{background:#12181C;margin-top:64px;padding:48px 0 24px;color:rgba(255,255,255,.7)}
.footer .inner{max-width:1240px;margin:0 auto;padding:0 32px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-text{font-size:16px}
.foot-col p{font-size:14px;line-height:1.8}
.foot-col h4{color:var(--brand);font-size:14px;margin-bottom:14px;font-weight:800}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col ul a{color:rgba(255,255,255,.7);font-size:14px}
.foot-col ul a:hover{color:#fff}
.foot-col .sub-form{margin-top:4px}
.foot-col .sub-form input{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:#fff}
.foot-col .sub-form input::placeholder{color:rgba(255,255,255,.4)}
.foot-col .sub-form input:focus{border-color:var(--brand);background:rgba(255,255,255,.1)}
.foot-tip{font-size:12px;color:rgba(255,255,255,.45);margin-top:8px}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1.5px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
  box-shadow:var(--sh-1);opacity:0;visibility:hidden;transition:all var(--t);z-index:50;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background-image:var(--grad);color:#fff;border-color:transparent}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-grid{grid-template-columns:1fr}
  .page-side{position:static;flex-direction:row;flex-wrap:wrap}
  .page-side > *{flex:1 1 260px}
}
@media (max-width:1023px){
  .block{margin-top:40px}
  .banner{margin-top:20px;padding:20px;grid-template-columns:1fr;gap:20px}
  .banner-pic{display:none}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .sell-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer{padding:36px 0 20px}
  .footer .inner{padding:0 16px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .faq-body{padding:0 18px 18px 18px}
}
@media (max-width:639px){
  .stat-grid{grid-template-columns:1fr}
  .sell-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .sec-title{font-size:22px}
  .tl-card{padding:18px}
  .tl-foot{flex-direction:column;align-items:flex-start}
  .tl-thumb{width:100%}
  .to-top{right:16px;bottom:16px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .card:hover,.tl-card:hover,.step:hover,.sell-card:hover,.stat:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#FF6A1F;
  --brand-d:#E9520B;
  --pulse:#FF2D6E;
  --turf:#0FB98A;
  --amber:#FFB020;
  --red:#E23D3D;
  --ink-900:#10161A;
  --ink-700:#2A3439;
  --ink-500:#5A666D;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E2DA;
  --grad:linear-gradient(135deg,#FF6A1F 0%,#FF2D6E 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --sh-1:0 1px 2px rgba(16,22,26,.06),0 12px 32px -12px rgba(16,22,26,.18);
  --sh-2:0 18px 40px -14px rgba(16,22,26,.22);
  --t:180ms cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-d);}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- 侧栏（桌面竖向导航 / 移动抽屉） ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:248px;
  background:#12181C;color:#fff;z-index:70;
  display:flex;flex-direction:column;
  border-right:1px solid rgba(255,255,255,.08);
  overflow-y:auto;
}
.side-brand{
  height:88px;flex:0 0 auto;display:flex;align-items:center;gap:12px;
  padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;flex:0 0 auto;
  box-shadow:0 6px 16px -6px rgba(255,106,31,.8);
}
.brand-mark span{
  width:13px;height:14px;background:#fff;
  clip-path:polygon(0 0,100% 50%,0 100%);
  border-radius:2px;
}
.brand-text{font-size:16px;font-weight:800;color:#fff;letter-spacing:.2px;line-height:1.25;}
.side-nav{padding:14px 12px;display:flex;flex-direction:column;gap:2px;flex:1 1 auto;}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:12px;
  color:rgba(255,255,255,.68);font-size:15px;
  transition:background var(--t),color var(--t);
}
.side-nav a .ico{
  width:20px;height:20px;flex:0 0 auto;display:grid;place-items:center;
  color:currentColor;opacity:.9;
}
.side-nav a .ico svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.side-nav a.active{background:rgba(255,106,31,.12);color:var(--brand);}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--grad);
}
.side-card{
  margin:12px;padding:14px;border-radius:var(--r-sm);flex:0 0 auto;
  background:rgba(255,106,31,.12);border:1px solid rgba(255,106,31,.45);
}
.side-card h4{font-size:14px;color:#fff;margin-bottom:4px;}
.side-card p{font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.68);margin-bottom:10px;}
.side-card .btn{width:100%;}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:60;
  height:58px;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar .brand{display:flex;align-items:center;gap:10px;}
.topbar .brand-text{color:var(--ink-900);font-size:16px;}
.burger{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;transition:border-color var(--t),background var(--t);
}
.burger i{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-700);transition:background var(--t);}
.burger:hover{border-color:var(--brand);}
.burger:hover i{background:var(--brand);}
.overlay{
  position:fixed;inset:0;background:rgba(16,22,26,.42);z-index:65;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.overlay.show{opacity:1;visibility:visible;}

/* ---------- 骨架 ---------- */
.shell{margin-left:248px;min-height:100vh;display:flex;flex-direction:column;}
.shell main{flex:1 1 auto;}
.inner{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
section.block{margin-bottom:64px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;border:none;cursor:pointer;
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:background-position var(--t),box-shadow var(--t),color var(--t),border-color var(--t),transform var(--t),filter var(--t);
}
.btn-primary{
  background-image:linear-gradient(135deg,#FF6A1F 0%,#FF2D6E 100%);
  background-size:150% 100%;background-position:0% 0;
  color:#fff;box-shadow:0 12px 26px -12px rgba(255,106,31,.85);
}
.btn-primary:hover{background-position:12% 0;color:#fff;filter:brightness(1.05);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px -8px rgba(255,106,31,.9);}
.btn-secondary{background:#fff;border:1.5px solid var(--line);color:var(--ink-700);}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand);}
.btn-ghost{background:transparent;color:var(--brand);padding:0 8px;height:auto;position:relative;}
.btn-ghost::after{content:"";position:absolute;left:8px;right:8px;bottom:6px;height:1px;background:var(--brand);opacity:.4;transition:opacity var(--t);}
.btn-ghost:hover::after{opacity:1;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  font-size:14px;color:var(--ink-500);margin-bottom:14px;white-space:nowrap;
  -ms-overflow-style:none;scrollbar-width:none;
}
.crumb::-webkit-scrollbar{display:none;}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3BCB2;}
.crumb .now{color:var(--ink-900);font-weight:600;}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(255,106,31,.14) 0%,rgba(255,45,110,.06) 52%,rgba(247,245,241,0) 100%);
  padding:32px;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:center;
  margin-top:28px;
}
.page-banner::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--grad);opacity:.85;
}
.page-banner h1{font-size:clamp(28px,3.6vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.3px;}
.pb-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-500);max-width:640px;}
.pb-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}
.pb-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-1);}
.pb-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;
  background:#fff;border:1px solid var(--line);color:var(--ink-500);
  font-variant-numeric:tabular-nums;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto;}
.badge.turf{color:var(--turf);background:rgba(15,185,138,.08);border-color:rgba(15,185,138,.32);}
.badge.amber{color:#A97100;background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.42);}
.badge.brand{color:var(--brand);background:rgba(255,106,31,.09);border-color:rgba(255,106,31,.32);}
.badge.dark{color:rgba(255,255,255,.85);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);}
.badge-row{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;
  -ms-overflow-style:none;scrollbar-width:none;
}
.badge-row::-webkit-scrollbar{display:none;}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;}
.h2{
  position:relative;padding-left:14px;font-size:26px;font-weight:800;color:var(--ink-900);
}
.h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.sec-desc{margin-top:6px;font-size:14px;color:var(--ink-500);padding-left:14px;}
.sec-link{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}

/* ---------- 主栅格 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start;}
.side-sticky{position:sticky;top:24px;display:flex;flex-direction:column;gap:16px;}

/* ---------- 清单行 ---------- */
.clist{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.clist-row{
  display:grid;grid-template-columns:44px minmax(0,1fr) 40px;gap:16px;align-items:center;
  padding:18px 22px;border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.clist-row:last-child{border-bottom:none;}
.clist-row:hover{background:#FBF7F3;}
.clist-row:hover .clist-arrow{border-color:var(--brand);color:var(--brand);}
.clist-no{
  display:grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:rgba(255,106,31,.1);color:var(--brand);
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
}
.clist-body h3{font-size:19px;font-weight:700;line-height:1.45;}
.clist-body p{font-size:14px;color:var(--ink-500);line-height:1.7;margin-top:4px;}
.clist-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.clist-arrow{
  width:36px;height:36px;border-radius:50%;border:1.5px solid var(--line);
  display:grid;place-items:center;color:var(--ink-500);font-size:15px;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.group-title{
  display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800;color:var(--ink-900);
  margin:0 0 12px;
}
.group-title::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--grad);}
.group-wrap{margin-bottom:34px;}

/* ---------- 图文区块 ---------- */
.split{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:22px;
}
.split-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.steps{display:flex;flex-direction:column;gap:16px;margin-top:16px;}
.step{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;align-items:start;}
.step-no{
  width:34px;height:34px;border-radius:11px;background:var(--ink-900);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step h4{font-size:16px;font-weight:700;margin-bottom:2px;}
.step p{font-size:14px;color:var(--ink-500);line-height:1.7;}

/* ---------- 侧栏卡片 ---------- */
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.panel-title{font-size:17px;font-weight:800;color:var(--ink-900);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.panel-title::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--grad);}
.panel-nav{display:flex;flex-direction:column;gap:4px;}
.panel-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:12px;font-size:14.5px;color:var(--ink-700);
  transition:background var(--t),color var(--t);
}
.panel-nav a:hover{background:#FBF7F3;color:var(--brand);}
.panel-nav a.active{background:rgba(255,106,31,.1);color:var(--brand);font-weight:700;}
.panel-nav a .tag{
  font-size:12px;font-weight:600;color:var(--ink-500);background:var(--paper);
  border:1px solid var(--line);border-radius:999px;padding:1px 9px;
}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.stat{
  border:1px solid var(--line);border-radius:var(--r-sm);padding:12px;background:#FCFAF7;
}
.stat b{display:block;font-size:22px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat span{font-size:12.5px;color:var(--ink-500);}
.sub-form{display:flex;gap:8px;margin-top:4px;}
.sub-form input{
  flex:1 1 auto;min-width:0;height:42px;padding:0 14px;border-radius:var(--r-sm);
  border:1.5px solid var(--line);background:#fff;color:var(--ink-700);
  transition:border-color var(--t),box-shadow var(--t);
}
.sub-form input::placeholder{color:#9AA3A8;}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,31,.14);outline:none;}
.form-tip{font-size:12.5px;color:var(--ink-500);margin-top:10px;}
.form-msg{font-size:13px;color:var(--turf);margin-top:8px;display:none;}
.form-msg.show{display:block;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq[open]{border-color:rgba(255,106,31,.35);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
  padding:16px 20px;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq summary::-webkit-details-marker{display:none;}
.faq .q-no{
  width:28px;height:28px;flex:0 0 auto;border-radius:9px;background:rgba(255,106,31,.1);
  color:var(--brand);display:grid;place-items:center;font-size:12.5px;font-weight:800;
}
.faq .caret{margin-left:auto;color:var(--ink-500);transition:transform var(--t);font-size:13px;}
.faq[open] .caret{transform:rotate(180deg);}
.faq .a-body{
  padding:0 20px 18px 60px;font-size:15px;line-height:1.8;color:var(--ink-700);
}
.faq.mini summary{padding:13px 16px;font-size:14.5px;}
.faq.mini .a-body{padding:0 16px 14px 44px;font-size:13.5px;}
.faq.mini .q-no{width:24px;height:24px;font-size:11.5px;border-radius:8px;}

/* ---------- CTA ---------- */
.cta{
  position:relative;background:var(--ink-900);border-radius:var(--r-lg);
  padding:32px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  overflow:hidden;color:#fff;
}
.cta::before{content:"";position:absolute;left:0;top:0;right:0;height:1px;background:var(--grad);}
.cta h2{color:#fff;font-size:24px;}
.cta p{color:rgba(255,255,255,.7);font-size:14.5px;margin-top:8px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta .btn-secondary{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.cta .btn-secondary:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 页脚 ---------- */
.footer{background:#12181C;color:rgba(255,255,255,.7);margin-top:72px;position:relative;}
.footer::before{content:"";position:absolute;left:0;top:0;right:0;height:1px;background:var(--grad);}
.footer .inner{padding-top:52px;padding-bottom:28px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-text{font-size:16px;}
.foot-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);}
.foot-col h4{font-size:14px;color:var(--brand);margin-bottom:14px;font-weight:700;letter-spacing:.3px;}
.foot-col ul{display:flex;flex-direction:column;gap:9px;}
.foot-col ul a{font-size:14px;color:rgba(255,255,255,.7);}
.foot-col ul a:hover{color:#fff;}
.footer .sub-form input{
  background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#fff;height:40px;
}
.footer .sub-form input::placeholder{color:rgba(255,255,255,.45);}
.footer .sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,31,.2);}
.foot-tip{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:10px;}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1.5px solid rgba(255,106,31,.5);color:var(--brand);
  display:grid;place-items:center;cursor:pointer;z-index:80;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background var(--t);
  box-shadow:var(--sh-1);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(255,106,31,.08);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .topbar{display:flex;}
  .sidebar{transform:translateX(-100%);transition:transform var(--t);width:280px;}
  .sidebar.open{transform:translateX(0);}
  .sidebar .side-nav a{height:48px;}
  .shell{margin-left:0;}
  .layout{grid-template-columns:minmax(0,1fr);}
  .side-sticky{position:static;}
  .page-banner{grid-template-columns:minmax(0,1fr);padding:24px;margin-top:20px;}
  .pb-media{display:none;}
  .split{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .cta{flex-direction:column;align-items:flex-start;}
  .cta .btn{width:100%;}
  section.block{margin-bottom:40px;}
}
@media (max-width:767px){
  .inner{padding:0 16px;}
  .clist-row{grid-template-columns:38px minmax(0,1fr);gap:12px;padding:16px;}
  .clist-no{width:38px;height:38px;font-size:14px;}
  .clist-arrow{display:none;}
  .clist-body h3{font-size:17px;}
  .h2{font-size:22px;}
  .badge{height:26px;}
  .faq .a-body{padding-left:20px;}
  .faq .q-no{display:none;}
  .faq.mini .a-body{padding-left:16px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .page-banner h1{font-size:26px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .cta{padding:24px;}
  .cta h2{font-size:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}