/* roulang page: index */
:root{
  --uv-main:#1f6feb;
  --uv-deep:#0b2f66;
  --uv-paper:#f2f6fd;
  --uv-card:#ffffff;
  --uv-txt:#101c2e;
  --uv-sub:#5a6b84;
  --uv-edge:#e1e9f5;
  --uv-r:16px;
  --uv-sh:0 10px 28px rgba(16,45,90,.08);
  --uv-pad:clamp(16px,4vw,32px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--uv-paper);color:var(--uv-txt);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
:focus-visible{outline:3px solid rgba(31,111,235,.55);outline-offset:3px;border-radius:8px}
.uycvau-wrap{width:min(1180px,100% - 32px);margin-inline:auto}

/* 顶栏 */
.uycvau-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);border-bottom:1px solid var(--uv-edge);backdrop-filter:saturate(150%) blur(12px)}
.uycvau-header-in{display:flex;align-items:center;gap:12px;min-height:62px}
.uycvau-brand{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:16px;letter-spacing:.4px;flex:0 0 auto}
.uycvau-brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--uv-main),var(--uv-deep));color:#fff;font-size:17px;font-weight:700}
.uycvau-nav{display:flex;align-items:center;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.uycvau-nav::-webkit-scrollbar{display:none}
.uycvau-nav a{display:flex;align-items:center;min-height:44px;padding:0 11px;font-size:14px;color:var(--uv-sub);border-radius:10px;white-space:nowrap;transition:color .2s,background .2s}
.uycvau-nav a:hover{color:var(--uv-main);background:#eef4ff}

/* 首屏 */
.uycvau-hero{padding:34px 0 44px;background:linear-gradient(180deg,#e8f1ff,#f2f6fd 70%)}
.uycvau-hero-in{display:grid;gap:26px}
.uycvau-eyebrow{font-size:13px;letter-spacing:2px;color:var(--uv-main);font-weight:600;margin-bottom:12px}
.uycvau-hero h1{font-size:clamp(26px,7vw,44px);line-height:1.24;font-weight:800;letter-spacing:-.5px}
.uycvau-hero h1 em{font-style:normal;color:var(--uv-main)}
.uycvau-lead{margin-top:16px;color:var(--uv-sub);font-size:15px;max-width:58ch}
.uycvau-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.uycvau-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:12px;border:1px solid transparent;background:var(--uv-main);color:#fff;font-size:15px;font-weight:600;box-shadow:0 8px 20px rgba(31,111,235,.28);transition:transform .2s,box-shadow .2s}
.uycvau-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,111,235,.34)}
.uycvau-btn-line{background:#fff;color:var(--uv-main);border-color:#c6d9ff;box-shadow:none}
.uycvau-btn-line:hover{background:#eef4ff;box-shadow:0 8px 18px rgba(31,111,235,.14)}
.uycvau-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.uycvau-chips li{padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--uv-edge);font-size:13px;color:var(--uv-sub)}
.uycvau-hero-art{position:relative;margin:0;border-radius:calc(var(--uv-r) + 6px);overflow:hidden;box-shadow:0 18px 44px rgba(16,45,90,.18)}
.uycvau-hero-art img{width:100%;aspect-ratio:4/3;object-fit:cover}
.uycvau-hero-art figcaption{position:absolute;left:14px;bottom:14px;padding:7px 14px;border-radius:999px;background:rgba(11,47,102,.8);color:#fff;font-size:13px}

/* 板块 */
.uycvau-sec{padding:50px 0}
.uycvau-sec-alt{background:var(--uv-card);border-top:1px solid var(--uv-edge);border-bottom:1px solid var(--uv-edge)}
.uycvau-head{max-width:740px;margin-bottom:26px}
.uycvau-head h2{position:relative;padding-left:14px;font-size:clamp(20px,4vw,27px);font-weight:800;letter-spacing:-.3px}
.uycvau-head h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:3px;background:var(--uv-main)}
.uycvau-head p{margin-top:10px;color:var(--uv-sub);font-size:14.5px}

/* 分类频道 */
.uycvau-cats{display:grid;gap:14px}
.uycvau-cats li{padding:20px;border:1px solid var(--uv-edge);border-radius:var(--uv-r);background:var(--uv-card);box-shadow:var(--uv-sh);transition:transform .2s,box-shadow .2s}
.uycvau-cats li:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(16,45,90,.12)}
.uycvau-cat-name{display:inline-block;margin-bottom:8px;font-size:16px;font-weight:700;color:var(--uv-deep)}
.uycvau-cats p{font-size:14px;color:var(--uv-sub)}

/* 卡片 */
.uycvau-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.uycvau-card{overflow:hidden;border:1px solid var(--uv-edge);border-radius:var(--uv-r);background:var(--uv-card);box-shadow:var(--uv-sh);transition:transform .2s,box-shadow .2s}
.uycvau-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(16,45,90,.14)}
.uycvau-thumb{position:relative;margin:0}
.uycvau-thumb img{width:100%;aspect-ratio:3/4;object-fit:cover}
.uycvau-badge{position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:8px;background:rgba(31,111,235,.94);color:#fff;font-size:12px;font-weight:600}
.uycvau-badge-done{background:rgba(15,23,42,.74)}
.uycvau-card h3{padding:12px 12px 0;font-size:15px;line-height:1.45;font-weight:700}
.uycvau-meta{padding:5px 12px 14px;font-size:12.5px;color:var(--uv-sub)}

/* 精选推荐 */
.uycvau-picks{display:grid;gap:14px}
.uycvau-pick{display:grid;grid-template-columns:100px 1fr;gap:14px;align-items:center;padding:12px;border:1px solid var(--uv-edge);border-radius:var(--uv-r);background:var(--uv-card);box-shadow:var(--uv-sh)}
.uycvau-pick img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:12px}
.uycvau-pick h3{font-size:16px;font-weight:700}
.uycvau-pick p{margin-top:6px;font-size:13.5px;color:var(--uv-sub)}
.uycvau-tag{display:inline-block;padding:2px 9px;border-radius:999px;background:#eef4ff;color:var(--uv-main);font-size:12px;font-weight:600}

/* 榜单 */
.uycvau-rank{display:grid;gap:10px}
.uycvau-rank li{display:flex;align-items:center;gap:12px;min-height:52px;padding:11px 15px;border:1px solid var(--uv-edge);border-radius:12px;background:var(--uv-card)}
.uycvau-no{width:28px;font-size:15px;font-weight:800;color:var(--uv-main);font-variant-numeric:tabular-nums}
.uycvau-rank li:nth-child(-n+3) .uycvau-no{color:#f97316}
.uycvau-rank-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:600}
.uycvau-hot{flex:0 0 auto;font-size:12.5px;color:var(--uv-sub)}

/* 连载分组 */
.uycvau-sub{margin:0 0 12px;font-size:17px;font-weight:700}
.uycvau-lines{display:grid;gap:10px}
.uycvau-lines + .uycvau-sub{margin-top:26px}
.uycvau-lines li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px;border:1px solid var(--uv-edge);border-radius:12px;background:var(--uv-card);font-size:14.5px}
.uycvau-lines strong{font-weight:600}
.uycvau-lines span{font-size:13px;color:var(--uv-sub)}

/* 专题 */
.uycvau-topics{display:grid;gap:16px}
.uycvau-topic{padding:0 0 16px;border:1px solid var(--uv-edge);border-radius:var(--uv-r);background:var(--uv-card);overflow:hidden;box-shadow:var(--uv-sh)}
.uycvau-topic img{width:100%;aspect-ratio:16/9;object-fit:cover}
.uycvau-topic h3{padding:14px 16px 0;font-size:16px;font-weight:700}
.uycvau-topic p{padding:6px 16px 0;font-size:13.5px;color:var(--uv-sub)}
.uycvau-topic .uycvau-tag{margin:12px 16px 0}

/* 口碑 */
.uycvau-quotes{display:grid;gap:14px}
.uycvau-quotes li{padding:18px 20px;border:1px solid var(--uv-edge);border-left:4px solid var(--uv-main);border-radius:14px;background:var(--uv-card);box-shadow:var(--uv-sh)}
.uycvau-quotes p{font-size:14.5px}
.uycvau-quotes cite{display:block;margin-top:10px;font-style:normal;font-size:13px;color:var(--uv-sub)}

/* 资讯 */
.uycvau-news{border-top:1px solid var(--uv-edge)}
.uycvau-news li{display:grid;gap:5px;padding:18px 0;border-bottom:1px solid var(--uv-edge)}
.uycvau-when{font-size:12.5px;color:#8a97ab}
.uycvau-news h3{font-size:16px;font-weight:700;line-height:1.5}
.uycvau-news p{font-size:14px;color:var(--uv-sub)}

/* 问答 */
.uycvau-faq{display:grid;gap:12px;max-width:880px}
.uycvau-faq details{padding:16px 18px;border:1px solid var(--uv-edge);border-radius:14px;background:var(--uv-card);box-shadow:var(--uv-sh)}
.uycvau-faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:24px;font-size:15.5px;font-weight:700;cursor:pointer;list-style:none}
.uycvau-faq summary::-webkit-details-marker{display:none}
.uycvau-faq summary::after{content:"+";color:var(--uv-main);font-size:20px;font-weight:700;line-height:1}
.uycvau-faq details[open] summary::after{content:"–"}
.uycvau-faq p{margin-top:10px;font-size:14.5px;color:var(--uv-sub)}

/* 收口 */
.uycvau-cta{position:relative;isolation:isolate;padding:60px 0;color:#fff;background:var(--uv-deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.uycvau-cta::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,rgba(8,32,72,.94),rgba(12,52,110,.7))}
.uycvau-cta-in{max-width:640px}
.uycvau-cta h2{font-size:clamp(22px,4.6vw,32px);font-weight:800}
.uycvau-cta p{margin-top:14px;font-size:15px;color:#d5e2f7}
.uycvau-cta .uycvau-btn{margin-top:24px;background:#fff;color:var(--uv-deep);box-shadow:0 10px 24px rgba(0,0,0,.22)}

/* 页脚 */
.uycvau-foot{background:#08182f;color:#c2cfe4;padding-top:46px}
.uycvau-foot-in{display:grid;gap:26px;padding-bottom:30px}
.uycvau-foot h3{margin-bottom:12px;font-size:15px;font-weight:700;color:#fff}
.uycvau-foot p{font-size:13.5px;line-height:1.8;color:#9fb0c9}
.uycvau-foot li{padding:5px 0;font-size:13.5px;color:#9fb0c9}
.uycvau-foot a:hover{color:#fff;text-decoration:underline}
.uycvau-copy{border-top:1px solid rgba(255,255,255,.12);padding:18px 16px;text-align:center;font-size:12.5px;color:#7f91ab}

@media (min-width:520px){
  .uycvau-grid{gap:16px}
  .uycvau-card h3{font-size:15.5px}
  .uycvau-picks{gap:16px}
  .uycvau-hero-art img{aspect-ratio:16/10}
}
@media (min-width:768px){
  .uycvau-header-in{min-height:70px}
  .uycvau-hero{padding:44px 0 56px}
  .uycvau-hero-in{grid-template-columns:1.05fr .95fr;align-items:center;gap:34px}
  .uycvau-hero-art img{aspect-ratio:4/5}
  .uycvau-cats{grid-template-columns:repeat(2,1fr)}
  .uycvau-grid{grid-template-columns:repeat(3,1fr)}
  .uycvau-sec{padding:58px 0}
  .uycvau-foot-in{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .uycvau-hero{padding:56px 0 66px}
  .uycvau-cats{grid-template-columns:repeat(3,1fr);gap:18px}
  .uycvau-grid{gap:20px}
  .uycvau-picks{grid-template-columns:repeat(3,1fr)}
  .uycvau-pick{grid-template-columns:92px 1fr}
  .uycvau-rank{grid-template-columns:repeat(2,1fr);gap:12px}
  .uycvau-topics{grid-template-columns:repeat(3,1fr);gap:20px}
  .uycvau-quotes{grid-template-columns:repeat(3,1fr)}
  .uycvau-foot-in{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  .uycvau-sec{padding:66px 0}
}