/* roulang page: index */
:root{
  --bg:#f4f5f8;
  --card:#ffffff;
  --ink:#171a21;
  --ink2:#5c6272;
  --tone:#d9384f;
  --tone2:#f0a94a;
  --line:#e4e6ee;
  --rad:16px;
  --rad-s:10px;
  --sh:0 10px 30px rgba(21,24,34,.09);
  --gap:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;line-height:1.32;font-weight:700}
p{margin:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--tone);outline-offset:2px}

.uyb-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* 顶栏 */
.uyb-top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.uyb-top-in{display:flex;align-items:center;gap:20px;min-height:66px}
.uyb-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.uyb-logo{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--tone),#f2683f);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700}
.uyb-brand-n{font-size:18px;font-weight:700;letter-spacing:.5px}
.uyb-nav{display:flex;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.uyb-nav::-webkit-scrollbar{display:none}
.uyb-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border-radius:999px;color:var(--ink2);font-size:15px;white-space:nowrap;transition:background .2s,color .2s}
.uyb-nav a:hover{background:#f1f2f7;color:var(--ink)}

/* 首屏 */
.uyb-hero{position:relative;overflow:hidden;background:#0d1017 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff}
.uyb-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(90% 80% at 12% 0%,rgba(217,56,79,.5),transparent 62%),linear-gradient(180deg,rgba(10,12,18,.62),rgba(10,12,18,.9))}
.uyb-hero-in{position:relative;max-width:1180px;margin:0 auto;padding:78px 24px 72px}
.uyb-kicker{display:inline-block;margin:0 0 16px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);font-size:13px;letter-spacing:1px;color:#f6ead9}
.uyb-hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;letter-spacing:-.5px}
.uyb-hero h1 em{font-style:normal;color:#ffcb7d;margin-left:.35em}
.uyb-lead{max-width:730px;margin:18px 0 26px;font-size:16.5px;line-height:1.85;color:#dfe2ec}
.uyb-hero-btns{display:flex;flex-wrap:wrap;gap:12px}
.uyb-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 26px;border-radius:999px;background:var(--tone);color:#fff;font-size:15px;font-weight:600;transition:transform .2s,background .2s}
.uyb-btn:hover{background:#bf2c42;transform:translateY(-2px)}
.uyb-btn-ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.38)}
.uyb-btn-ghost:hover{background:rgba(255,255,255,.22)}
.uyb-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.uyb-hero-tags li{padding:6px 15px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);font-size:13.5px;color:#eef0f7}

/* 板块基础 */
.uyb-sec{padding:64px 0}
.uyb-sec--tint{background:var(--card)}
.uyb-h2{font-size:clamp(22px,2.5vw,30px);letter-spacing:-.3px}
.uyb-sub{max-width:790px;margin:12px 0 30px;color:var(--ink2);font-size:15.5px}

/* 能力概览 */
.uyb-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.uyb-feat{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:22px 20px;box-shadow:var(--sh)}
.uyb-feat h3{font-size:16px;margin-bottom:8px}
.uyb-feat h3::before{content:"";display:inline-block;width:8px;height:8px;border-radius:3px;background:var(--tone2);margin-right:8px;vertical-align:2px}
.uyb-feat p{font-size:14.5px;color:var(--ink2)}

/* 分类专区 */
.uyb-tags{display:flex;flex-wrap:wrap;gap:16px}
.uyb-tags li{flex:1 1 210px;max-width:345px;background:var(--bg);border:1px solid var(--line);border-radius:var(--rad);padding:18px 20px}
.uyb-tag-n{display:block;font-weight:700;font-size:17px;color:var(--tone)}
.uyb-tags p{margin-top:6px;font-size:14.5px;color:var(--ink2)}

/* 卡片墙 */
.uyb-cards{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--gap)}
.uyb-poster{position:relative;aspect-ratio:2/3;border-radius:var(--rad-s);overflow:hidden;background:#1b1e26}
.uyb-poster img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.uyb-card:hover .uyb-poster img{transform:scale(1.06)}
.uyb-badge{position:absolute;top:8px;left:8px;padding:2px 8px;border-radius:6px;background:rgba(12,14,20,.78);color:#fff;font-size:12px;letter-spacing:.3px}
.uyb-score{position:absolute;right:8px;bottom:8px;padding:2px 8px;border-radius:6px;background:var(--tone2);color:#241a06;font-size:12.5px;font-weight:700}
.uyb-card h3{margin:10px 0 2px;font-size:15px;font-weight:600}
.uyb-card p{font-size:13px;color:var(--ink2)}
.uyb-note{margin-top:6px;font-size:13.5px;color:var(--ink2)}

/* 追剧更新 */
.uyb-rows{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.uyb-rows li{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;background:var(--card);border:1px solid var(--line);border-radius:var(--rad-s);padding:16px 18px;transition:box-shadow .2s,transform .2s}
.uyb-rows li:hover{box-shadow:var(--sh);transform:translateY(-2px)}
.uyb-row-t{font-weight:600;font-size:16px}
.uyb-row-s{font-size:12.5px;color:#fff;background:var(--tone);padding:1px 9px;border-radius:999px}
.uyb-row-s--done{background:#5b6274}
.uyb-row-d{font-size:13px;color:var(--ink2)}
.uyb-row-p{flex:1 1 100%;font-size:14px;color:var(--ink2)}

/* 类型专区 */
.uyb-genres{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.uyb-genre{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:20px}
.uyb-genre h3{margin-bottom:10px;font-size:16px;color:var(--tone)}
.uyb-genre ul{display:grid;gap:8px}
.uyb-genre li{position:relative;padding-left:13px;font-size:14.5px;color:var(--ink2)}
.uyb-genre li::before{content:"";position:absolute;left:0;top:.65em;width:5px;height:5px;border-radius:50%;background:var(--tone2)}

/* 排行榜 */
.uyb-rank{display:grid;gap:8px}
.uyb-rank li{display:grid;grid-template-columns:44px 1fr 130px 130px;align-items:center;gap:12px;min-height:44px;background:var(--card);border:1px solid var(--line);border-radius:var(--rad-s);padding:12px 18px;transition:border-color .2s}
.uyb-rank li:hover{border-color:#d6d9e4}
.uyb-rank-i{font-size:16px;font-weight:800;color:var(--tone2)}
.uyb-rank-n{font-size:15.5px;font-weight:600}
.uyb-rank-c{font-size:13px;color:var(--ink2)}
.uyb-rank-h{font-size:13px;color:var(--tone);text-align:right}

/* 资讯 */
.uyb-news{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.uyb-news li{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
.uyb-news-img{width:100%;aspect-ratio:16/10;object-fit:cover}
.uyb-news li h3{margin:14px 16px 6px;font-size:15px;line-height:1.5}
.uyb-news-meta{margin:0 16px 16px;font-size:13px;color:var(--ink2)}

/* 主题片单 */
.uyb-sec--deep{position:relative;color:#fff;background:#12141c url('/assets/images/backpic/back-6.webp') center/cover no-repeat}
.uyb-sec--deep::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,14,20,.85),rgba(12,14,20,.92))}
.uyb-sec--deep .uyb-wrap{position:relative}
.uyb-sec--deep .uyb-sub{color:#c9cddb}
.uyb-topics{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.uyb-topic{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--rad);padding:24px;transition:background .2s,transform .2s}
.uyb-topic:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.uyb-topic h3{margin-bottom:8px;font-size:17px;color:#ffcb7d}
.uyb-topic p{font-size:14.5px;color:#d4d8e4}

/* 多端同步 */
.uyb-duo{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.uyb-duo li{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--tone2);border-radius:var(--rad-s);padding:18px 20px}
.uyb-duo h3{margin-bottom:6px;font-size:16px}
.uyb-duo p{font-size:14.5px;color:var(--ink2)}

/* 常见问答 */
.uyb-faq{display:grid;gap:14px}
.uyb-faq li{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:20px 22px}
.uyb-faq h3{margin-bottom:8px;font-size:16px}
.uyb-faq p{font-size:14.5px;color:var(--ink2)}

/* 页脚 */
.uyb-foot{margin-top:12px;background:#0f1118;color:#c4c8d6;padding:56px 0 0}
.uyb-foot-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding-bottom:36px}
.uyb-foot h3{margin:0 0 12px;font-size:15px;color:#fff;letter-spacing:.5px}
.uyb-foot p{font-size:14px;line-height:1.8;color:#99a0b3}
.uyb-foot ul{display:grid;gap:6px}
.uyb-foot a{display:inline-flex;align-items:center;min-height:32px;font-size:14px;color:#b7bdcc;transition:color .2s}
.uyb-foot a:hover{color:#ffcb7d}
.uyb-foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.uyb-foot-brand .uyb-logo{width:32px;height:32px;border-radius:9px;font-size:16px}
.uyb-foot-brand span{font-size:17px;font-weight:700;color:#fff}
.uyb-plain{display:grid;gap:6px;font-size:14px;color:#b7bdcc}
.uyb-copy{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.uyb-copy p{font-size:13px;color:#7f8698}

@media (max-width:1024px){
  .uyb-cards{grid-template-columns:repeat(4,1fr)}
  .uyb-grid4{grid-template-columns:repeat(2,1fr)}
  .uyb-news{grid-template-columns:repeat(2,1fr)}
  .uyb-genres{grid-template-columns:repeat(2,1fr)}
  .uyb-topics{grid-template-columns:1fr 1fr}
  .uyb-duo{grid-template-columns:1fr}
  .uyb-foot-cols{grid-template-columns:1fr 1fr}
  .uyb-hero-in{padding:64px 24px 60px}
  .uyb-sec{padding:54px 0}
}
@media (max-width:768px){
  .uyb-top-in{flex-direction:column;align-items:flex-start;gap:6px;padding:10px 0}
  .uyb-nav{width:100%;margin-left:0;padding-bottom:4px}
  .uyb-hero-in{padding:52px 24px 48px}
  .uyb-lead{font-size:15.5px}
  .uyb-cards{grid-template-columns:repeat(3,1fr)}
  .uyb-rows{grid-template-columns:1fr}
  .uyb-rank li{grid-template-columns:34px 1fr auto;gap:8px;padding:12px 14px}
  .uyb-rank-c{display:none}
  .uyb-topics{grid-template-columns:1fr}
  .uyb-sec{padding:44px 0}
  .uyb-sub{margin-bottom:24px}
}
@media (max-width:520px){
  .uyb-wrap{padding:0 16px}
  .uyb-hero h1{font-size:27px}
  .uyb-cards{grid-template-columns:repeat(2,1fr)}
  .uyb-news{grid-template-columns:1fr}
  .uyb-grid4{grid-template-columns:1fr}
  .uyb-genres{grid-template-columns:1fr}
  .uyb-foot-cols{grid-template-columns:1fr}
  .uyb-card h3{font-size:14.5px}
  .uyb-note,.uyb-feat p,.uyb-faq p,.uyb-tags p,.uyb-duo p,.uyb-genre li{font-size:14px}
}