/* roulang page: index */
:root{
  --orange:#F28C3B;
  --orange-d:#D9772A;
  --purple:#5B4A8B;
  --bg:#F7F3EC;
  --card:#FFFDF8;
  --dark:#211C2B;
  --text:#211C2B;
  --muted:#6B6173;
  --weak:#8B818F;
  --line:#E5DDD2;
  --teal:#3FA7A3;
  --r:16px;
  --shadow:0 12px 30px rgba(33,28,43,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.75;font-variant-numeric:tabular-nums;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
[id]{scroll-margin-top:80px}

/* ---------- 顶部移动栏 ---------- */
.topbar{display:none;position:fixed;top:0;left:0;right:0;height:56px;background:var(--dark);color:#fff;align-items:center;justify-content:space-between;padding:0 16px;z-index:90}
.topbar .brand-name{font-family:var(--serif);font-size:16px;font-weight:700;color:#fff}
.menu-btn{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;align-items:center;border-radius:10px}
.menu-btn span{display:block;width:20px;height:2px;border-radius:2px;background:#EDE7DF}
.menu-btn:hover span{background:var(--orange)}
.scrim{position:fixed;inset:0;background:rgba(33,28,43,.5);opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:75}
.scrim.show{opacity:1;pointer-events:auto}

/* ---------- 左侧 App Shell ---------- */
.sidebar{position:fixed;top:0;left:0;bottom:0;width:248px;background:var(--dark);color:#EDE7DF;padding:22px 16px 26px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;z-index:80}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;background:var(--orange);color:var(--dark);display:grid;place-items:center;font-family:var(--serif);font-size:18px;font-weight:700}
.brand-name{font-family:var(--serif);font-size:15.5px;font-weight:700;line-height:1.35;letter-spacing:.2px}
.nav{display:flex;flex-direction:column;gap:4px}
.nav a{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:10px;font-size:14px;color:#C4BBD0;transition:background .2s ease,color .2s ease}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav a.active{background:var(--orange);color:var(--dark);font-weight:600}
.toc{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.10)}
.toc-title{font-size:11px;letter-spacing:2px;color:#857B93;margin-bottom:8px;padding-left:12px}
.toc a{display:block;padding:7px 12px;font-size:13px;color:#A79DB4;border-left:2px solid rgba(255,255,255,.12);border-radius:0 8px 8px 0;transition:all .2s ease}
.toc a:hover{color:#fff;background:rgba(255,255,255,.06);border-left-color:var(--orange)}
.side-cta{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:10px;background:rgba(242,140,59,.14);border:1px solid rgba(242,140,59,.5);color:#F6B67E;font-size:13.5px;font-weight:600;transition:background .2s ease,color .2s ease}
.side-cta:hover{background:var(--orange);border-color:var(--orange);color:var(--dark)}

/* ---------- 主体 ---------- */
.main{margin-left:248px;padding:0 40px}
.container{max-width:1160px;margin:0 auto}
.section{padding:74px 0;border-top:1px solid var(--line)}
.hero{padding:40px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.sec-head h2{position:relative;padding-left:16px;font-family:var(--serif);font-size:30px;line-height:1.25;font-weight:700}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--orange)}
.sec-desc{margin-top:12px;max-width:780px;color:var(--muted);font-size:14.5px;line-height:1.85}
.link-more{font-size:14px;font-weight:600;color:var(--purple);border-bottom:1px solid transparent;transition:border-color .2s ease}
.link-more:hover{border-bottom-color:var(--purple)}

/* ---------- 按钮与标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:background .18s ease,border-color .18s ease,color .18s ease,transform .1s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#211C2B}
.btn-primary:hover{background:var(--orange-d);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(33,28,43,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange-d)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;line-height:1.6;font-weight:600;white-space:nowrap}
.tag-teal{background:rgba(63,167,163,.14);color:#2E7F7C}
.tag-purple{background:rgba(91,74,139,.12);color:var(--purple)}
.tag-orange{background:rgba(242,140,59,.18);color:var(--orange-d)}

/* ---------- Hero Bento ---------- */
.bento{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);grid-template-areas:"main cover" "main minis" "strip strip";gap:16px}
.bento-main{grid-area:main;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:36px 32px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.eyebrow{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;background:rgba(91,74,139,.10);color:var(--purple);font-size:12.5px;font-weight:600;letter-spacing:.6px}
h1{font-family:var(--serif);font-size:46px;line-height:1.2;font-weight:700;letter-spacing:-.5px}
h1 em{font-style:normal;color:var(--orange)}
.lead{color:var(--muted);font-size:15px;line-height:1.85;max-width:560px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
.bento-cover{grid-area:cover;position:relative;border-radius:var(--r);overflow:hidden;min-height:212px;background:var(--dark)}
.bento-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.bento-cover:hover img{transform:scale(1.04)}
.cover-play{position:absolute;inset:0;margin:auto;width:56px;height:56px;border-radius:50%;background:rgba(255,253,248,.94);color:var(--dark);display:grid;place-items:center;font-size:16px}
.cover-label{position:absolute;left:14px;top:14px;padding:4px 11px;border-radius:999px;background:rgba(33,28,43,.72);color:#fff;font-size:11.5px;font-weight:600}
.cover-bar{position:absolute;left:14px;right:14px;bottom:14px;height:4px;border-radius:2px;background:rgba(255,255,255,.34)}
.cover-bar span{display:block;height:100%;width:38%;border-radius:2px;background:var(--orange)}
.bento-minis{grid-area:minis;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mini{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:border-color .2s ease,transform .2s ease}
.mini:hover{border-color:var(--orange);transform:translateY(-3px)}
.mini b{display:block;font-family:var(--serif);font-size:23px;line-height:1.3;color:var(--text)}
.mini span{font-size:12.5px;color:var(--weak)}
.bento-strip{grid-area:strip;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:var(--dark);color:#EDE7DF;border-radius:var(--r);padding:16px 22px}
.bento-strip p{font-size:14px;color:#C4BBD0}
.bento-strip strong{color:#fff;font-weight:600}

/* ---------- 功能分组 ---------- */
.feature-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.feature-row{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:20px;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line);transition:background .2s ease}
.feature-row:last-child{border-bottom:0}
.feature-row:hover{background:rgba(242,140,59,.06)}
.feature-ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-family:var(--serif);font-size:18px;font-weight:700;background:rgba(91,74,139,.10);color:var(--purple)}
.feature-row h3{font-size:17px;font-weight:600;margin-bottom:4px}
.feature-row p{font-size:14px;color:var(--muted);line-height:1.72}
.feature-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;max-width:280px}

/* ---------- 热门 MV ---------- */
.hot-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.hot-card{grid-column:span 4;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.hot-card.big{grid-column:span 6}
.hot-card.wide{grid-column:span 3}
.hot-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:12px;background:#2b2436}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.hot-card:hover .thumb img{transform:scale(1.04)}
.dur{position:absolute;right:10px;bottom:10px;padding:1px 8px;border-radius:6px;background:rgba(33,28,43,.74);color:#fff;font-size:11.5px}
.pick{position:absolute;left:10px;top:10px;padding:3px 11px;border-radius:999px;background:var(--orange);color:var(--dark);font-size:11.5px;font-weight:700}
.hd{position:absolute;left:10px;bottom:10px;padding:2px 9px;border-radius:6px;background:rgba(63,167,163,.9);color:#fff;font-size:11px;font-weight:600}
.hot-card h3{font-size:15.5px;font-weight:600;line-height:1.5;margin:12px 4px 6px}
.hot-card .meta{font-size:12.5px;color:var(--weak);margin:0 4px 4px;line-height:1.5}

/* ---------- 最新上传 ---------- */
.latest-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.latest-item{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.latest-item:hover{transform:translateY(-3px);border-color:var(--orange);box-shadow:var(--shadow)}
.latest-item .thumb{flex:0 0 132px;width:132px}
.latest-body{display:flex;flex-direction:column;justify-content:center;gap:6px;min-width:0}
.latest-body h3{font-size:15px;font-weight:600;line-height:1.45}
.latest-body .meta{font-size:12.5px;color:var(--weak);line-height:1.5}

/* ---------- 分类频道 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.cat-card:nth-child(1){grid-column:span 4}
.cat-card:nth-child(2){grid-column:span 2}
.cat-card:nth-child(3){grid-column:span 2}
.cat-card:nth-child(4){grid-column:span 4}
.cat-card:nth-child(5){grid-column:span 3}
.cat-card:nth-child(6){grid-column:span 3}
.cat-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
.cat-card h3{font-family:var(--serif);font-size:19px;font-weight:700;margin-bottom:8px}
.cat-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:12px}
.cat-card .go{font-size:13px;font-weight:600;color:var(--purple)}
.cat-card:hover .go{color:var(--orange-d)}

/* ---------- 使用场景 ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;margin-bottom:26px}
.scene:last-child{margin-bottom:0}
.scene:nth-child(even) .scene-media{order:2}
.scene-media{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.scene-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene-body h3{font-family:var(--serif);font-size:23px;font-weight:700;line-height:1.35;margin-bottom:10px}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:12px}
.scene-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}

/* ---------- 界面演示 ---------- */
.demo-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:16px}
.demo-main{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--dark)}
.demo-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.demo-pill{position:absolute;left:16px;top:16px;padding:5px 12px;border-radius:999px;background:rgba(33,28,43,.74);color:#fff;font-size:12px;font-weight:600}
.demo-progress{position:absolute;left:16px;right:16px;bottom:16px;height:6px;border-radius:3px;background:rgba(255,255,255,.32)}
.demo-progress span{display:block;height:100%;width:56%;border-radius:3px;background:var(--orange)}
.demo-side{display:grid;gap:16px}
.demo-mini{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.demo-mini img{width:100%;aspect-ratio:16/10;object-fit:cover}
.demo-mini figcaption{padding:10px 14px;font-size:13px;font-weight:600;color:var(--muted)}

/* ---------- 专题案例 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.topic-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.topic-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
.topic-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.topic-body{padding:18px 20px 22px}
.topic-body h3{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:8px}
.topic-body p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:12px}
.topic-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}

/* ---------- 排行榜 ---------- */
.rank-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:8px 12px}
.rank-list li{display:grid;grid-template-columns:60px minmax(0,1fr) auto auto;gap:16px;align-items:center;padding:14px 14px;border-bottom:1px solid var(--line);border-radius:10px;transition:background .2s ease}
.rank-list li:last-child{border-bottom:0}
.rank-list li:hover{background:rgba(242,140,59,.08)}
.rank-num{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--weak);line-height:1}
.rank-list li:nth-child(-n+3) .rank-num{color:var(--orange)}
.rank-name{font-size:15px;font-weight:600;line-height:1.5}
.rank-plays{font-size:13.5px;color:var(--muted);white-space:nowrap}
.rank-dur{font-size:12.5px;color:var(--weak);white-space:nowrap}

/* ---------- 套餐 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plan-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px 24px;display:flex;flex-direction:column;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.plan-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
.plan-card.recommend{border-top:4px solid var(--orange);border-color:var(--orange)}
.plan-badge{position:absolute;right:18px;top:-13px;padding:3px 12px;border-radius:999px;background:var(--orange);color:var(--dark);font-size:11.5px;font-weight:700}
.plan-card h3{font-family:var(--serif);font-size:20px;font-weight:700;margin-bottom:6px}
.plan-price{font-family:var(--serif);font-size:32px;font-weight:700;line-height:1.2;color:var(--text)}
.plan-price small{font-family:var(--sans);font-size:13px;font-weight:400;color:var(--weak);margin-left:4px}
.plan-list{margin:16px 0 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.plan-list li{position:relative;padding-left:20px;font-size:13.5px;color:var(--muted);line-height:1.7}
.plan-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:rgba(242,140,59,.65)}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
.review-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.review-card:nth-child(2n){margin-top:22px}
.review-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
.review-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.avatar{width:40px;height:40px;flex:0 0 40px;border-radius:50%;display:grid;place-items:center;font-size:15px;font-weight:700;background:rgba(91,74,139,.12);color:var(--purple)}
.review-top strong{display:block;font-size:14px;font-weight:600;line-height:1.4}
.review-top .date{font-size:11.5px;color:var(--weak)}
.stars{font-size:12.5px;color:var(--orange);letter-spacing:2px;margin-bottom:8px}
.review-card p{font-size:13.8px;color:var(--muted);line-height:1.78}

/* ---------- 数据与趋势 ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.kpi b{display:block;font-family:var(--serif);font-size:30px;line-height:1.25;color:var(--text)}
.kpi span{font-size:13px;color:var(--weak)}
.trend{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.trend h3{font-size:15px;font-weight:600;margin-bottom:18px}
.trend-row{display:grid;grid-template-columns:56px minmax(0,1fr) 64px;gap:14px;align-items:center;margin-bottom:12px}
.trend-row:last-child{margin-bottom:0}
.trend-row .d{font-size:12.5px;color:var(--weak)}
.trend-bar{height:12px;border-radius:6px;background:rgba(91,74,139,.10);overflow:hidden}
.trend-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--purple),var(--orange))}
.trend-row .v{font-size:12.5px;color:var(--muted);text-align:right}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.news-main{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.news-main:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
.news-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-main-body{padding:20px 22px 24px}
.news-main-body h3{font-family:var(--serif);font-size:21px;font-weight:700;line-height:1.45;margin-bottom:10px}
.news-main-body p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:12px}
.news-date{font-size:12.5px;color:var(--weak)}
.news-list{display:flex;flex-direction:column;gap:12px}
.news-item{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;transition:border-color .2s ease,transform .2s ease}
.news-item:hover{border-color:var(--orange);transform:translateX(3px)}
.news-item img{width:96px;height:64px;flex:0 0 96px;object-fit:cover;border-radius:10px}
.news-item h4{font-size:14px;font-weight:600;line-height:1.5;margin-bottom:3px}
.news-item .news-date{font-size:11.5px}

/* ---------- FAQ ---------- */
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:0 22px;margin-bottom:12px;transition:border-color .2s ease}
.faq-item:hover{border-color:var(--orange)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;font-size:16px;font-weight:600;line-height:1.5}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--orange);font-size:21px;font-weight:400;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 20px;font-size:14.2px;color:var(--muted);line-height:1.85;max-width:840px}

/* ---------- 底部 CTA ---------- */
.cta-panel{background:var(--dark);border-radius:22px;padding:44px 42px;color:#EDE7DF;position:relative;overflow:hidden}
.cta-panel::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(242,140,59,.28);pointer-events:none}
.cta-panel h2{font-family:var(--serif);font-size:29px;line-height:1.3;font-weight:700;color:#fff;margin-bottom:10px}
.cta-panel .sub{font-size:14.5px;color:#B4AABC;max-width:560px;margin-bottom:24px}
.cta-form{position:relative;z-index:1;max-width:560px}
.cta-form label{display:block;font-size:12.5px;color:#B4AABC;margin-bottom:8px;letter-spacing:.5px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.cta-row input{flex:1 1 240px;min-height:44px;padding:0 16px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14px}
.cta-row input::placeholder{color:#8C819A}
.cta-row input:focus{outline:none;border-color:var(--orange);background:rgba(255,255,255,.10)}
.cta-note{font-size:12px;color:#8C819A;margin-top:14px}

/* ---------- 页脚 ---------- */
.footer{background:#1B1725;color:#B4AABC;padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.foot-brand .brand-name{color:#fff;font-size:15.5px}
.foot-desc{margin-top:14px;font-size:13.5px;line-height:1.8;color:#8C819A;max-width:300px}
.footer h3{font-size:13px;font-weight:600;color:#EDE7DF;letter-spacing:1px;margin-bottom:14px}
.footer li{margin-bottom:9px}
.footer li a{font-size:13.5px;color:#9A90A8;transition:color .2s ease}
.footer li a:hover{color:var(--orange)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;font-size:12.5px;color:#7C7289;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .topbar{display:flex}
  .sidebar{transform:translateX(-100%);transition:transform .26s ease;box-shadow:none}
  .sidebar.open{transform:translateX(0);box-shadow:0 0 48px rgba(0,0,0,.45)}
  .main{margin-left:0;padding:56px 20px 0}
  .hero{padding-top:24px}
  h1{font-size:36px}
  .bento{grid-template-columns:1fr;grid-template-areas:"main" "cover" "minis" "strip"}
  .bento-cover{min-height:240px}
  .hot-card,.hot-card.big,.hot-card.wide{grid-column:span 6}
  .demo-grid{grid-template-columns:1fr}
  .demo-side{grid-template-columns:1fr 1fr}
  .topic-grid{grid-template-columns:1fr 1fr}
  .plan-grid{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr 1fr}
  .review-card:nth-child(2n){margin-top:0}
  .kpi-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .sec-head h2{font-size:24px}
  .bento-main{padding:26px 22px}
  h1{font-size:31px}
  .hot-card,.hot-card.big,.hot-card.wide{grid-column:span 12}
  .latest-grid{grid-template-columns:1fr}
  .cat-card{grid-column:span 3 !important}
  .scene{grid-template-columns:1fr;gap:18px}
  .scene:nth-child(even) .scene-media{order:0}
  .topic-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .feature-row{grid-template-columns:48px minmax(0,1fr);row-gap:12px}
  .feature-tags{grid-column:1 / -1;justify-content:flex-start;max-width:none}
  .rank-list li{grid-template-columns:44px minmax(0,1fr) auto;row-gap:4px}
  .rank-dur{grid-column:2 / -1;color:var(--weak)}
  .cta-panel{padding:32px 24px}
  .cta-panel h2{font-size:24px}
}
@media (max-width:520px){
  .main{padding:52px 16px 0}
  .topbar{height:52px}
  .bento-minis{grid-template-columns:1fr}
  .cat-card{grid-column:span 6 !important}
  .demo-side{grid-template-columns:1fr}
  .kpi-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  h1{font-size:28px}
  .rank-list li{grid-template-columns:38px minmax(0,1fr);}
  .rank-plays{grid-column:2 / -1;text-align:left}
  .rank-dur{grid-column:2 / -1}
  .latest-item .thumb{flex:0 0 104px;width:104px}
  .news-item img{width:80px;height:56px;flex:0 0 80px}
}