/* roulang page: index */
:root{
  --ink:#17202d;
  --muted:#6c7787;
  --soft:#f5f7fa;
  --paper:#fff;
  --line:#e6eaf0;
  --brand:#e9513d;
  --brand-dark:#c93628;
  --gold:#f2b84b;
  --navy:#152335;
  --green:#2e9b78;
  --radius:20px;
  --shadow:0 16px 44px rgba(26,39,58,.09);
  --shadow-sm:0 8px 24px rgba(26,39,58,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.section{padding:88px 0}
.section.alt{background:var(--soft)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.08em;margin-bottom:10px}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--brand);border-radius:4px}
h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.03em}
.section-head p{max-width:560px;color:var(--muted);font-size:15px}
.text-link{color:var(--brand);font-weight:700;white-space:nowrap}
.text-link:hover{color:var(--brand-dark)}
.site-header{height:76px;display:flex;align-items:center;border-bottom:1px solid rgba(230,234,240,.8);background:rgba(255,255,255,.94);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:0 8px 18px rgba(233,81,61,.25)}
.nav-links{display:flex;align-items:center;gap:25px;color:#657080;font-size:14px}
.nav-links a{padding:8px 0;position:relative}
.nav-links a:after{content:"";height:2px;width:0;background:var(--brand);position:absolute;bottom:0;left:0;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-action{padding:10px 17px;border-radius:11px;background:var(--navy);color:#fff;font-weight:700;font-size:13px;transition:.25s}
.nav-action:hover{background:var(--brand);transform:translateY(-2px)}
.hero{background:linear-gradient(115deg,#fff8f4 0%,#fff 48%,#f4f8fb 100%);padding:74px 0 82px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(36px,5vw,65px);line-height:1.13;letter-spacing:-.06em;max-width:690px}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero h1 em:after{content:"";position:absolute;height:9px;background:#ffd37a;bottom:2px;left:4px;right:3px;z-index:-1;border-radius:8px}
.hero-sub{font-size:19px;font-weight:700;margin:22px 0 12px}
.hero-copy{color:var(--muted);max-width:610px;font-size:16px}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:12px;font-weight:700;transition:.25s}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(233,81,61,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.hero-panel{position:relative;background:var(--navy);border-radius:28px;padding:26px;color:#fff;box-shadow:var(--shadow);min-height:330px;overflow:hidden}
.hero-panel:before{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:-56px;top:-55px}
.panel-top{display:flex;justify-content:space-between;align-items:center;color:#b9c6d5;font-size:13px}
.live-dot{display:inline-flex;align-items:center;gap:7px;color:#ffd08a}
.live-dot i{display:block;width:8px;height:8px;background:#55d59e;border-radius:50%;box-shadow:0 0 0 5px rgba(85,213,158,.13)}
.panel-title{font-size:27px;line-height:1.35;margin:34px 0 27px;max-width:330px}
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.panel-stat{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:14px 12px}
.panel-stat strong{display:block;font-size:23px;color:#fff}
.panel-stat span{font-size:12px;color:#a9b8c8}
.ring{position:absolute;right:27px;bottom:27px;width:78px;height:78px;border-radius:50%;border:7px solid rgba(255,255,255,.13);border-top-color:var(--gold);border-right-color:var(--gold);display:grid;place-items:center;font-weight:800;color:#ffd17d}
.metrics{background:var(--navy);color:#fff;padding:24px 0}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{display:flex;align-items:center;gap:13px;border-right:1px solid rgba(255,255,255,.12)}
.metric:last-child{border:0}
.metric strong{font-size:27px;color:#ffd17d;line-height:1}
.metric span{font-size:13px;color:#b9c5d3}
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.matrix-card{padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.25s}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:#f2c0b8}
.matrix-icon{width:43px;height:43px;border-radius:13px;background:#fff0ec;color:var(--brand);display:grid;place-items:center;font-size:21px;margin-bottom:18px}
.matrix-card h3{font-size:18px;margin-bottom:7px}
.matrix-card p{font-size:13px;color:var(--muted);line-height:1.7}
.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card,.hot-card{border:1px solid var(--line);border-radius:17px;background:#fff;overflow:hidden;transition:.25s}
.video-card:hover,.hot-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.cover{height:174px;position:relative;overflow:hidden}
.cover img{height:100%;transition:.5s}
.video-card:hover .cover img,.hot-card:hover img{transform:scale(1.06)}
.badge{position:absolute;left:12px;top:12px;background:rgba(21,35,53,.82);color:#fff;padding:4px 8px;border-radius:6px;font-size:11px;font-weight:700}
.card-body{padding:15px}
.card-body h3{font-size:16px;line-height:1.45;margin-bottom:9px}
.card-meta{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}
.rating{color:#e28b26;font-weight:800}
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.hot-card{display:grid;grid-template-columns:150px 1fr}
.hot-card img{height:150px}
.hot-card .card-body{display:flex;flex-direction:column;justify-content:center}
.hot-card h3{font-size:17px}
.rank-section{background:var(--navy);color:#fff}
.rank-section .section-head p{color:#aebdcd}
.rank-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 30px}
.rank-item{display:grid;grid-template-columns:42px 1fr auto auto;align-items:center;gap:13px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.rank-no{font-size:23px;color:#f4bf58;font-weight:800;font-style:italic}
.rank-item h3{font-size:15px}
.rank-item small{display:block;color:#9eafc0;font-size:12px}
.rank-hot{font-size:12px;color:#b7c6d4}
.rank-score{color:#ffd17d;font-weight:700}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.compare-intro{background:#fff2ee;border-radius:22px;padding:32px}
.compare-intro h3{font-size:26px;line-height:1.35;margin-bottom:13px}
.compare-intro p{color:var(--muted)}
.compare-table{border:1px solid var(--line);border-radius:22px;overflow:hidden}
.compare-row{display:grid;grid-template-columns:1fr 1fr;padding:17px 22px;border-bottom:1px solid var(--line);gap:15px}
.compare-row:last-child{border:0}
.compare-row strong{color:var(--green)}
.compare-row span{color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.mile{padding:0 22px 0 0;position:relative}
.mile:not(:last-child):after{content:"";position:absolute;top:14px;right:16px;width:calc(100% - 55px);height:1px;background:#d9dee6}
.mile-dot{width:29px;height:29px;border:7px solid #ffe1da;background:var(--brand);border-radius:50%;margin-bottom:18px;position:relative;z-index:1}
.mile b{display:block;color:var(--brand);font-size:13px;margin-bottom:5px}
.mile h3{font-size:17px;margin-bottom:7px}
.mile p{font-size:13px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:grid;grid-template-columns:112px 1fr;gap:15px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:16px;background:#fff}
.news-card img{height:86px;border-radius:11px}
.news-card h3{font-size:14px;line-height:1.5;margin-bottom:5px}
.news-card time{font-size:12px;color:var(--muted)}
.assure{background:#f7faf9}
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.assure-card{padding:23px;background:#fff;border-radius:17px;border:1px solid #e2eee9}
.assure-card b{display:block;color:var(--green);font-size:17px;margin-bottom:6px}
.assure-card p{color:var(--muted);font-size:13px}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.quick-item{display:flex;gap:13px;padding:18px;border-radius:15px;background:var(--soft)}
.quick-item strong{font-size:23px;color:var(--brand)}
.quick-item p{font-size:13px;color:var(--muted)}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
details{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fff}
summary{font-weight:700;cursor:pointer;list-style:none;padding-right:20px;position:relative}
summary:after{content:"＋";position:absolute;right:0;color:var(--brand)}
details[open] summary:after{content:"－"}
details p{color:var(--muted);font-size:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.signup{background:var(--brand);color:#fff;padding:58px 0}
.signup-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.signup h2{max-width:560px}
.signup p{color:#ffe5df;margin-top:10px;max-width:600px}
.signup-form{display:flex;gap:8px;flex-wrap:wrap;min-width:360px}
.signup-form input{border:0;border-radius:11px;padding:13px 15px;outline:none;min-width:220px}
.signup-form button{background:var(--navy);color:#fff;border-radius:11px;padding:13px 18px;font-weight:700}
.signup-form button:hover{background:#0d1724}
.site-footer{background:#101c29;color:#c4ced9;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
.footer-brand{color:#fff;font-size:19px;font-weight:800;margin-bottom:12px}
.footer-col h3{color:#fff;font-size:14px;margin-bottom:15px}
.footer-col a,.footer-col p{display:block;color:#91a0b0;font-size:13px;margin:7px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;color:#7f8e9d;font-size:12px;display:flex;justify-content:space-between;gap:20px}
:focus-visible{outline:3px solid rgba(233,81,61,.35);outline-offset:3px}
@media(max-width:1024px){
  .hero-grid{gap:35px}.content-grid{grid-template-columns:repeat(3,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}.metric-grid{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border:0}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}
}
@media(max-width:768px){
  .site-header{height:68px}.nav-links{gap:12px;font-size:12px}.nav-action{display:none}
  .hero{padding:55px 0}.hero-grid{grid-template-columns:1fr}.hero-panel{min-height:285px}
  .content-grid{grid-template-columns:repeat(2,1fr)}.hot-grid,.news-grid{grid-template-columns:1fr}
  .rank-list,.compare,.faq-list{grid-template-columns:1fr}.timeline{grid-template-columns:1fr 1fr;gap:28px}
  .mile:not(:last-child):after{display:none}.assure-grid,.quick{grid-template-columns:1fr}
  .signup-inner{display:block}.signup-form{margin-top:25px;min-width:0}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .container{width:min(100% - 28px,1180px)}.brand{font-size:13px}.brand-mark{width:33px;height:33px}
  .nav-links a:nth-child(n+3){display:none}.section{padding:60px 0}.section-head{display:block}
  .section-head p{margin-top:12px}.hero h1{font-size:39px}.hero-sub{font-size:17px}.hero-copy{font-size:14px}
  .panel-title{font-size:23px}.metric-grid{grid-template-columns:1fr 1fr}.metric{border:0!important}
  .content-grid,.matrix{grid-template-columns:1fr}.hot-card{grid-template-columns:120px 1fr}.hot-card img{height:135px}
  .timeline{grid-template-columns:1fr}.news-card{grid-template-columns:95px 1fr}.news-card img{height:78px}
  .signup-form{display:block}.signup-form input,.signup-form button{width:100%;margin-bottom:9px}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}

/* roulang page: category1 */
:root{--ink:#17202d;--muted:#6c7787;--soft:#f5f7fa;--paper:#fff;--line:#e6eaf0;--brand:#e9513d;--brand-dark:#c93628;--gold:#f2b84b;--navy:#152335;--green:#2e9b78;--radius:20px;--shadow:0 16px 44px rgba(26,39,58,.09);--shadow-sm:0 8px 24px rgba(26,39,58,.07)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{border:0;cursor:pointer}
:focus-visible{outline:3px solid rgba(233,81,61,.5);outline-offset:3px}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.section{padding:76px 0}
.section.alt{background:var(--soft)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
.section-head h2{margin:0;font-size:30px;line-height:1.25;letter-spacing:0}
.section-head p{max-width:560px;margin:8px 0 0;color:var(--muted);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:12px;margin-bottom:10px}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--brand);border-radius:4px}
.text-link{color:var(--brand);font-weight:700;white-space:nowrap}
.text-link:hover{color:var(--brand-dark)}
.site-header{height:76px;display:flex;align-items:center;border-bottom:1px solid rgba(230,234,240,.85);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap;font-size:15px}
.brand-mark{width:38px;height:38px;flex:none;border-radius:12px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:0 8px 18px rgba(233,81,61,.25)}
.nav-links{display:flex;align-items:center;gap:22px;color:#657080;font-size:14px}
.nav-links a{padding:8px 0;position:relative;white-space:nowrap}
.nav-links a:after{content:"";height:2px;width:0;background:var(--brand);position:absolute;bottom:0;left:0;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-action{padding:10px 16px;border-radius:11px;background:var(--navy);color:#fff;font-weight:700;font-size:13px;white-space:nowrap;transition:.25s}
.nav-action:hover{background:var(--brand);transform:translateY(-2px)}
.hero{position:relative;min-height:455px;display:flex;align-items:center;overflow:hidden;color:#fff;background:#101a26}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,17,26,.94) 0%,rgba(10,17,26,.75) 48%,rgba(10,17,26,.2) 100%),url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=2000&q=88") center 42%/cover}
.hero-inner{position:relative;z-index:1;padding:62px 0}
.hero-copy{max-width:690px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(255,255,255,.28);border-radius:30px;background:rgba(255,255,255,.1);font-size:12px;font-weight:700}
.live-dot{width:7px;height:7px;background:#65d4a3;border-radius:50%;box-shadow:0 0 0 4px rgba(101,212,163,.15)}
.hero h1{max-width:670px;margin:20px 0 12px;font-size:clamp(38px,5vw,62px);line-height:1.16;letter-spacing:0}
.hero h1 em{font-style:normal;color:#ffcf70}
.hero-sub{font-size:19px;font-weight:700;margin:0 0 12px}
.hero-description{max-width:630px;color:rgba(255,255,255,.78);font-size:15px;margin:0}
.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border-radius:11px;font-weight:700;transition:.22s}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 9px 22px rgba(233,81,61,.23)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-outline{border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.08);color:#fff}
.btn-outline:hover{background:#fff;color:var(--ink)}
.metric-strip{background:var(--navy);color:#fff}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:24px 28px;border-right:1px solid rgba(255,255,255,.14)}
.metric:last-child{border:0}
.metric strong{display:block;font-size:26px;line-height:1.2}
.metric span{display:block;color:#b8c4d1;font-size:13px;margin-top:5px}
.content-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.video-card,.hot-card{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;transition:.25s}
.video-card:hover,.hot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f0c2bb}
.cover{position:relative;overflow:hidden;aspect-ratio:3/4;background:#e8edf2}
.cover img{height:100%;transition:transform .45s}
.video-card:hover .cover img{transform:scale(1.045)}
.badge{position:absolute;left:11px;top:11px;background:rgba(21,35,53,.86);color:#fff;padding:4px 8px;border-radius:6px;font-size:11px;font-weight:700}
.card-body{padding:14px}
.card-body h3{font-size:15px;line-height:1.45;margin:0 0 9px}
.card-meta{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px;gap:8px}
.rating{color:#c17b12;font-weight:700}
.hot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.hot-card{display:grid;grid-template-columns:130px minmax(0,1fr)}
.hot-card img{height:142px}
.hot-card .card-body{display:flex;flex-direction:column;justify-content:center}
.hot-card h3{font-size:15px}
.hot-card .badge{position:static;display:inline-flex;width:max-content;margin-bottom:8px;background:#fff1ed;color:var(--brand)}
.channel-layout{display:grid;grid-template-columns:1fr 1.35fr;gap:50px;align-items:start}
.channel-intro{position:sticky;top:105px}
.channel-intro h2{font-size:32px;line-height:1.3;margin:0 0 13px}
.channel-intro p{color:var(--muted);margin:0 0 23px}
.channel-list{border-top:1px solid var(--line)}
.channel-item{display:grid;grid-template-columns:58px 1fr 24px;gap:16px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:.2s}
.channel-item:hover{padding-left:7px;color:var(--brand)}
.channel-number{font-size:13px;color:var(--brand);font-weight:800}
.channel-item h3{margin:0 0 4px;font-size:17px}
.channel-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.channel-arrow{font-size:20px;color:#99a2ad}
.ranking{background:var(--navy);color:#fff}
.ranking .section-head p{color:#aebdcd}
.rank-list{display:grid;grid-template-columns:1fr 1fr;column-gap:42px}
.rank-item{display:grid;grid-template-columns:40px minmax(0,1fr) auto auto;align-items:center;gap:13px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.rank-num{font-size:19px;font-weight:800;color:#91a1b2}
.rank-item:nth-child(-n+3) .rank-num{color:var(--gold)}
.rank-item h3{font-size:14px;margin:0}
.rank-item small{display:block;color:#9eafc0;font-size:11px}
.rank-heat{font-size:12px;color:#f4c772;white-space:nowrap}
.rank-score{font-size:13px;font-weight:700;white-space:nowrap}
.rank-label{display:inline-block;margin-top:3px;color:#c4ced8;font-size:11px}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.news-card{display:grid;grid-template-columns:102px 1fr;gap:13px;align-items:center;padding:11px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.22s}
.news-card:hover{border-color:#efb8af;box-shadow:var(--shadow-sm)}
.news-card img{height:80px;border-radius:9px}
.news-card h3{font-size:13px;line-height:1.55;margin:0 0 5px}
.news-card time{font-size:11px;color:var(--muted)}
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.assure-card{padding:21px;border:1px solid #e2eee9;border-radius:15px;background:#fff}
.assure-icon{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:#eaf6f1;color:var(--green);font-weight:800;margin-bottom:12px}
.assure-card h3{margin:0 0 6px;font-size:16px}
.assure-card p{margin:0;color:var(--muted);font-size:13px}
.faq-list{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item h3{display:flex;gap:12px;align-items:flex-start;font-size:16px;margin:0 0 7px}
.faq-item h3 span{color:var(--brand);font-weight:800}
.faq-item p{margin:0 0 0 28px;color:var(--muted);font-size:14px}
.cta-band{background:#fff5f1;padding:34px;border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.cta-band h2{margin:0 0 6px;font-size:24px}
.cta-band p{margin:0;color:var(--muted)}
.site-footer{background:#111c2a;color:#fff;padding:54px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
.footer-brand{font-size:18px;font-weight:800;margin-bottom:12px}
.footer-grid p{color:#aab6c4;font-size:13px;margin:8px 0}
.footer-col h3{font-size:14px;margin:0 0 13px}
.footer-col a{display:block;color:#aab6c4;font-size:13px;margin:7px 0;transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.12);padding-top:17px;color:#8492a2;font-size:12px}
@media(max-width:1024px){
 .nav-wrap{gap:16px}.nav-links{gap:14px}.nav-links a{font-size:13px}.brand{font-size:14px}
 .content-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .channel-layout{gap:30px}.hot-card{grid-template-columns:110px 1fr}.hot-card img{height:130px}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,620px)}
 .site-header{height:auto;min-height:70px}.nav-wrap{flex-wrap:wrap;padding:12px 0;gap:12px}
 .brand{font-size:14px}.brand-mark{width:34px;height:34px}
 .nav-links{order:3;width:100%;overflow-x:auto;gap:20px;padding:2px 0 4px;scrollbar-width:none}
 .nav-links::-webkit-scrollbar{display:none}.nav-action{margin-left:auto}
 .hero{min-height:430px}.hero-inner{padding:52px 0}.hero:before{background:linear-gradient(90deg,rgba(10,17,26,.92),rgba(10,17,26,.56)),url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=1200&q=85") center/cover}
 .section{padding:58px 0}.section-head{align-items:flex-start;flex-direction:column;gap:10px}.section-head h2{font-size:26px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}.metric{padding:19px 16px;border-bottom:1px solid rgba(255,255,255,.14)}.metric:nth-child(2){border-right:0}.metric:nth-child(3),.metric:nth-child(4){border-bottom:0}
 .content-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
 .hot-grid{grid-template-columns:1fr 1fr}.hot-card{grid-template-columns:95px 1fr}.hot-card img{height:118px}
 .channel-layout{grid-template-columns:1fr;gap:22px}.channel-intro{position:static}.channel-intro h2{font-size:27px}
 .rank-list{grid-template-columns:1fr;column-gap:0}.news-grid{grid-template-columns:1fr 1fr}
 .assure-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
 .cta-band{align-items:flex-start;flex-direction:column;padding:26px}
}
@media(max-width:520px){
 .container{width:calc(100% - 28px)}
 .nav-action{padding:9px 11px;font-size:12px}
 .nav-links{gap:16px;font-size:13px}
 .hero h1{font-size:38px}.hero-sub{font-size:17px}.hero-description{font-size:14px}
 .hero-actions .btn{flex:1;padding:11px 10px}
 .content-grid{gap:10px}.card-body{padding:11px}.card-body h3{font-size:14px}
 .cover{aspect-ratio:3/4}.hot-grid{grid-template-columns:1fr}
 .hot-card{grid-template-columns:112px 1fr}.hot-card img{height:126px}
 .channel-item{grid-template-columns:38px 1fr 18px;gap:10px;padding:17px 0}
 .rank-item{grid-template-columns:32px minmax(0,1fr) auto auto;gap:8px}
 .rank-item h3{font-size:13px}.rank-heat{font-size:11px}.rank-score{font-size:12px}
 .news-grid{grid-template-columns:1fr}.news-card{grid-template-columns:92px 1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:20px}
 .footer-bottom{flex-direction:column;gap:5px}
}