/* roulang page: index */
:root{
  --blue:#1757b7;--blue-dark:#103a78;--blue-soft:#eaf2ff;--ink:#16263d;
  --muted:#66758a;--line:#dce6f2;--bg:#f5f8fc;--white:#fff;--orange:#ed8b43;
  --green:#2d9a78;--radius:12px;--shadow:0 12px 32px rgba(25,64,112,.09);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;min-width:235px}
.brand-mark{width:42px;height:42px;border-radius:10px;background:var(--blue-dark);color:white;display:grid;place-items:center;font-size:17px;font-weight:800;box-shadow:inset 0 -4px 0 rgba(255,255,255,.14)}
.brand-name{font-size:17px;font-weight:800;letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{font-size:14px;color:#53647b;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue);font-weight:700}
.nav-action,.btn-primary{border:1px solid var(--blue);background:var(--blue);color:#fff;padding:10px 17px;border-radius:8px;font-weight:700;transition:.2s}
.nav-action:hover,.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark);box-shadow:0 6px 15px rgba(23,87,183,.2)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-dark);width:42px;height:42px;border-radius:8px;font-size:20px}
.hero{padding:66px 0 54px;background:#fff;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:1.2px;text-transform:uppercase}
h1{font-size:clamp(34px,4.5vw,58px);line-height:1.18;margin:13px 0 18px;letter-spacing:0}
.hero h1 strong{color:var(--blue)}
.hero-copy{max-width:650px;color:#53647b;font-size:16px;margin:0 0 25px}
.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.btn-secondary{border:1px solid #b9cbe3;background:#fff;color:var(--blue-dark);padding:10px 17px;border-radius:8px;font-weight:700;transition:.2s}
.btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft)}
.scoreboard{border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:23px;background:#f9fbfe}
.score-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px}
.score-label{font-weight:800;color:var(--blue-dark)}
.live-dot{font-size:12px;color:var(--green);font-weight:700}
.live-dot:before{content:"";display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-right:6px}
.countdown{display:flex;align-items:center;gap:18px;padding:22px 0}
.ring{width:94px;height:94px;border-radius:50%;border:8px solid #dceaff;border-top-color:var(--blue);border-right-color:var(--blue);display:grid;place-items:center;color:var(--blue-dark);font-size:20px;font-weight:800}
.countdown strong{display:block;font-size:19px}
.countdown span{color:var(--muted);font-size:13px}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.metric{background:#fff;border:1px solid var(--line);padding:12px;border-radius:8px}
.metric b{display:block;font-size:22px;color:var(--blue-dark);line-height:1.2}
.metric small{color:var(--muted);font-size:12px}
.section{padding:74px 0}
.section.alt{background:#edf4fc}
.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:25px}
.section-head h2{font-size:29px;line-height:1.25;margin:7px 0 0}
.section-head p{max-width:570px;color:var(--muted);margin:0;font-size:14px}
.more-link{color:var(--blue);font-weight:700;font-size:14px;white-space:nowrap}
.latest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 5px 16px rgba(25,64,112,.04);transition:.25s}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8cfee}
.poster{height:168px;position:relative;padding:14px;display:flex;align-items:end;overflow:hidden;color:#fff;background:#285c9c}
.poster:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.18),transparent 55%,rgba(0,0,0,.22))}
.poster.t2{background:#bb6d4e}.poster.t3{background:#397e79}.poster.t4{background:#6e628e}.poster.t5{background:#236b82}.poster.t6{background:#a57943}.poster.t7{background:#496d9d}.poster.t8{background:#7c596c}.poster.t9{background:#367b67}.poster.t10{background:#b05c59}.poster.t11{background:#5d6d91}.poster.t12{background:#8b7247}
.poster-name{position:relative;z-index:1;font-size:19px;font-weight:800;line-height:1.3}
.badge{position:absolute;z-index:2;top:12px;left:12px;background:#fff;color:var(--blue-dark);padding:3px 8px;border-radius:5px;font-size:11px;font-weight:800}
.card-body{padding:13px 14px 15px}
.card-title{font-size:16px;font-weight:800;margin:0 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
.rating{color:var(--orange);font-weight:800}
.popular-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.featured{min-height:365px;position:relative;border-radius:12px;overflow:hidden;background:#234f89;color:#fff;padding:28px;display:flex;align-items:end}
.featured:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,29,60,.78),transparent 75%)}
.featured.tone{background:#8a5c5a}
.featured-content{position:relative;max-width:490px}
.featured h3{font-size:30px;line-height:1.25;margin:8px 0}
.featured p{margin:0;color:#e5effc;font-size:14px}
.popular-list{display:grid;gap:10px}
.popular-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center}
.thumb{height:64px;border-radius:7px;background:#527db1}.thumb.b{background:#bc7b5e}.thumb.c{background:#4d8b82}.thumb.d{background:#89739a}.thumb.e{background:#be9256}
.popular-item strong{font-size:14px;display:block}
.popular-item small{color:var(--muted);font-size:12px}
.popular-score{font-weight:800;color:var(--orange);font-size:14px}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.channel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:19px;min-height:170px;position:relative}
.channel-number{font-size:36px;color:#d5e3f5;font-weight:900;line-height:1}
.channel h3{font-size:17px;margin:10px 0 6px}
.channel p{font-size:13px;color:var(--muted);margin:0}
.topic-strip{display:grid;grid-template-columns:1fr 1.4fr;gap:28px;align-items:center}
.topic-copy h2{font-size:28px;margin:7px 0 11px}
.topic-copy p{color:var(--muted);font-size:14px}
.tag-cloud{display:flex;gap:10px;flex-wrap:wrap}
.tag-cloud a{padding:9px 13px;border:1px solid #b9cbe3;background:#fff;border-radius:7px;color:var(--blue-dark);font-size:13px;transition:.2s}
.tag-cloud a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.rank-box{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.rank-row{display:grid;grid-template-columns:52px 1.4fr 1fr 90px 70px;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid #edf1f6}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:#f7faff}
.rank-no{font-size:21px;font-weight:900;color:#9aaabd}
.rank-row:nth-child(-n+3) .rank-no{color:var(--orange)}
.rank-title{font-weight:800}
.rank-type,.rank-hot{font-size:13px;color:var(--muted)}
.rank-score{color:var(--orange);font-weight:800}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news-item{display:grid;grid-template-columns:115px 1fr;gap:15px;background:#fff;border:1px solid var(--line);padding:13px;border-radius:10px}
.news-image{height:94px;border-radius:7px;background:#8daaca}.news-image.n2{background:#c88c74}.news-image.n3{background:#6e9d94}.news-image.n4{background:#9c8aad}.news-image.n5{background:#bf9b67}.news-image.n6{background:#6788ad}
.news-item h3{font-size:15px;line-height:1.45;margin:2px 0 8px}
.news-item time,.news-item span{font-size:12px;color:var(--muted)}
.assurance{padding:26px 0;border-top:1px solid #cbdced;border-bottom:1px solid #cbdced;background:#fff}
.assurance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.assurance-item{display:flex;gap:12px;align-items:flex-start}
.assurance-icon{width:34px;height:34px;flex:0 0 34px;border-radius:8px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:900}
.assurance h3{font-size:15px;margin:0 0 3px}.assurance p{font-size:12px;color:var(--muted);margin:0}
.quick-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.quick-panel strong{font-size:16px;margin-right:5px}
.filter{border:1px solid #bfd0e5;color:var(--blue-dark);background:#fff;border-radius:7px;padding:9px 14px;font-size:13px;transition:.2s}
.filter:hover,.filter.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:#fff}
.faq-question{width:100%;padding:18px 4px;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;text-align:left;font-weight:800;color:var(--ink)}
.faq-question span:last-child{font-size:22px;color:var(--blue);transition:.2s}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 45px 18px 4px}
.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.feedback{background:var(--blue-dark);color:#fff;padding:60px 0}
.feedback-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
.feedback h2{font-size:30px;line-height:1.3;margin:8px 0 12px}.feedback p{color:#cad9ef;font-size:14px}
.form-box{background:#fff;border-radius:12px;padding:22px;color:var(--ink)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
.field input,.field select{width:100%;border:1px solid #c8d6e6;border-radius:7px;padding:10px 12px;outline:0;background:#fff}
.field input:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #dceaff}
.form-box .btn-primary{width:100%;margin-top:3px}.privacy{font-size:11px;color:var(--muted);margin:10px 0 0}
.site-footer{background:#102744;color:#c3d2e6;padding:44px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:35px;padding-bottom:30px}
.footer-brand{color:#fff;font-size:18px;font-weight:800;margin-bottom:9px}.footer-grid p{font-size:13px;color:#9eb2cc;margin:0}
.footer-grid h3{color:#fff;font-size:14px;margin:0 0 10px}.footer-grid a{display:block;color:#9eb2cc;font-size:13px;margin:5px 0}.footer-grid a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:17px;font-size:12px;color:#8ea5c0;display:flex;justify-content:space-between;gap:15px}
:focus-visible{outline:3px solid rgba(237,139,67,.55);outline-offset:3px}
@media(max-width:1024px){
 .hero-grid{gap:30px}.latest-grid{grid-template-columns:repeat(3,1fr)}.channel-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,var(--container))}.navbar{height:68px}.brand{min-width:0}.brand-name{font-size:15px}
 .menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:15px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
 .nav-links.open{display:flex}.nav-links a,.nav-action{padding:11px 5px}.nav-action{text-align:center;margin-top:6px}
 .hero{padding:42px 0 36px}.hero-grid{grid-template-columns:1fr;gap:30px}.hero h1{font-size:38px}.hero-copy{font-size:15px}
 .section{padding:52px 0}.section-head{display:block}.section-head p{margin-top:10px}.more-link{display:inline-block;margin-top:12px}
 .latest-grid{grid-template-columns:repeat(2,1fr);gap:12px}.poster{height:140px}.popular-layout,.topic-strip,.feedback-grid{grid-template-columns:1fr}
 .featured{min-height:290px}.channel-grid{grid-template-columns:repeat(2,1fr)}.assurance-grid{grid-template-columns:repeat(2,1fr)}
 .rank-row{grid-template-columns:38px 1fr 58px;padding:13px 12px}.rank-type,.rank-hot{display:none}.rank-score{text-align:right}
 .news-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr);gap:24px}.footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
 .brand-mark{width:37px;height:37px;font-size:14px}.hero h1{font-size:32px}.hero-actions>*{width:100%;text-align:center}
 .metric-row{gap:6px}.metric{padding:9px 6px}.metric b{font-size:18px}.metric small{font-size:10px}
 .latest-grid{grid-template-columns:repeat(2,1fr)}.poster{height:125px}.poster-name{font-size:15px}.card-body{padding:10px}.card-title{font-size:14px}
 .channel-grid,.assurance-grid{grid-template-columns:1fr}.topic-copy h2,.feedback h2{font-size:25px}.quick-panel{align-items:stretch}.filter{flex:1}
 .form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-top:6px}
}