/* roulang page: index */
:root{
  --seiuks-ink:#101a2e;
  --seiuks-dim:#5b6880;
  --seiuks-bg:#f5f7fc;
  --seiuks-card:#ffffff;
  --seiuks-brand:#1f4fd8;
  --seiuks-soft:#e9eeff;
  --seiuks-warm:#ff7a45;
  --seiuks-line:#e1e8f5;
  --seiuks-radius:16px;
  --seiuks-shadow:0 10px 28px rgba(17,38,88,.07);
  --seiuks-gap:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--seiuks-bg);color:var(--seiuks-ink);font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.72;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
.seiuks-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.seiuks-top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--seiuks-line)}
.seiuks-top-in{display:flex;align-items:center;gap:16px;min-height:66px}
.seiuks-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.2px;white-space:nowrap}
.seiuks-logo i{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#1f4fd8,#5b8cff);color:#fff;display:grid;place-items:center;font-style:normal;font-size:15px;font-weight:800;box-shadow:0 6px 16px rgba(31,79,216,.32)}
.seiuks-nav{margin-left:auto;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.seiuks-nav::-webkit-scrollbar{display:none}
.seiuks-nav a{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--seiuks-dim);white-space:nowrap;transition:background .2s,color .2s}
.seiuks-nav a:hover,.seiuks-nav a:focus-visible{background:var(--seiuks-soft);color:var(--seiuks-brand);outline:none}

/* 首屏 */
.seiuks-hero{position:relative;isolation:isolate;color:#fff;background:#0b1730 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;padding:74px 0 62px}
.seiuks-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(112deg,rgba(8,18,44,.95) 0%,rgba(13,31,74,.86) 46%,rgba(14,33,78,.42) 100%)}
.seiuks-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:13px;letter-spacing:.4px;color:#d7e3ff}
.seiuks-hero h1{margin:18px 0 12px;font-size:clamp(34px,6.2vw,58px);line-height:1.1;letter-spacing:-1px;font-weight:800}
.seiuks-hl{color:#8fb6ff}
.seiuks-lead{font-size:clamp(16px,2.2vw,20px);color:#dbe6ff;max-width:700px}
.seiuks-hero-desc{margin-top:16px;max-width:770px;color:#c0cfea;font-size:15.5px}
.seiuks-pts{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px 26px}
.seiuks-pts li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:#d8e3f9}
.seiuks-pts li::before{content:"";width:7px;height:7px;border-radius:50%;background:#7fa8ff;flex:none}
.seiuks-btns{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.seiuks-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s}
.seiuks-btn-main{background:var(--seiuks-brand);color:#fff;box-shadow:0 10px 24px rgba(31,79,216,.36)}
.seiuks-btn-main:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,79,216,.44)}
.seiuks-btn-ghost{border:1px solid rgba(255,255,255,.42);color:#fff}
.seiuks-btn-ghost:hover{background:rgba(255,255,255,.14)}
.seiuks-btn-line{border:1px solid var(--seiuks-line);background:#fff;color:var(--seiuks-ink)}
.seiuks-btn-line:hover{border-color:#c3d2f0;transform:translateY(-2px)}
.seiuks-trust{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13.5px;color:#a7b9d9}

/* 板块通用 */
.seiuks-sec{padding:56px 0}
.seiuks-sec-alt{background:#fff;border-top:1px solid var(--seiuks-line);border-bottom:1px solid var(--seiuks-line)}
.seiuks-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.seiuks-h2{font-size:clamp(22px,3.2vw,30px);line-height:1.26;letter-spacing:-.4px;font-weight:800}
.seiuks-sub{margin-top:10px;color:var(--seiuks-dim);font-size:15px;max-width:790px}
.seiuks-more{font-size:14px;color:var(--seiuks-brand);font-weight:600}

/* 倒计时 */
.seiuks-cd{display:grid;grid-template-columns:1.05fr 1fr;gap:38px;align-items:center}
.seiuks-cdlist{display:grid;gap:12px}
.seiuks-cdlist li{display:flex;align-items:center;gap:16px;padding:15px 18px;background:#fff;border:1px solid var(--seiuks-line);border-radius:14px;box-shadow:var(--seiuks-shadow)}
.seiuks-cdlist strong{font-size:15px;color:var(--seiuks-brand);white-space:nowrap;min-width:112px}
.seiuks-cdlist span{font-size:14px;color:var(--seiuks-dim)}
.seiuks-progress{margin-top:22px}
.seiuks-progress p{font-size:13.5px;color:var(--seiuks-dim);margin-bottom:9px}
.seiuks-bar{height:10px;border-radius:99px;background:#e3eafa;overflow:hidden}
.seiuks-bar i{display:block;height:100%;width:72%;border-radius:99px;background:linear-gradient(90deg,#1f4fd8,#5b8cff)}

/* 看点 */
.seiuks-glance{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--seiuks-gap)}
.seiuks-glance li{background:#fff;border:1px solid var(--seiuks-line);border-radius:var(--seiuks-radius);padding:22px 20px;box-shadow:var(--seiuks-shadow);transition:transform .22s,box-shadow .22s}
.seiuks-glance li:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(17,38,88,.11)}
.seiuks-glance h3{font-size:16px;font-weight:700;margin-bottom:8px}
.seiuks-glance p{font-size:14px;color:var(--seiuks-dim)}
.seiuks-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--seiuks-warm);margin-right:8px;vertical-align:middle}

/* 权益 */
.seiuks-perks{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--seiuks-gap)}
.seiuks-perks li{background:#fff;border-radius:var(--seiuks-radius);border:1px solid var(--seiuks-line);padding:24px 20px;box-shadow:var(--seiuks-shadow)}
.seiuks-perks h3{font-size:15.5px;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.seiuks-perks h3::before{content:"";width:20px;height:20px;border-radius:7px;background:var(--seiuks-soft);border:1px solid #c9d8f7;flex:none}
.seiuks-perks p{font-size:14px;color:var(--seiuks-dim)}

/* 时间线 */
.seiuks-tl{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.seiuks-tl li{background:#fff;border:1px solid var(--seiuks-line);border-radius:var(--seiuks-radius);padding:22px 20px;box-shadow:var(--seiuks-shadow)}
.seiuks-tl strong{display:block;font-size:15px;color:var(--seiuks-brand);margin-bottom:8px}
.seiuks-tl p{font-size:14px;color:var(--seiuks-dim)}

/* 卡片墙 */
.seiuks-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--seiuks-gap)}
.seiuks-card{background:#fff;border:1px solid var(--seiuks-line);border-radius:var(--seiuks-radius);overflow:hidden;box-shadow:var(--seiuks-shadow);transition:transform .24s,box-shadow .24s}
.seiuks-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(17,38,88,.13)}
.seiuks-thumb{position:relative;aspect-ratio:3/4;background:#dde6f7;overflow:hidden}
.seiuks-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.seiuks-card:hover .seiuks-thumb img{transform:scale(1.05)}
.seiuks-badge{position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;color:#fff;background:rgba(11,23,48,.78);backdrop-filter:blur(4px)}
.seiuks-badge-done{background:rgba(31,79,216,.92)}
.seiuks-badge-live{background:rgba(255,122,69,.94)}
.seiuks-card-body{padding:13px 15px 17px}
.seiuks-card-body h3{font-size:15.5px;font-weight:700;line-height:1.4}
.seiuks-meta{margin-top:9px;display:flex;flex-wrap:wrap;gap:7px;font-size:12.5px;color:var(--seiuks-dim);align-items:center}
.seiuks-tag{padding:2px 9px;border-radius:6px;background:var(--seiuks-soft);color:#2d4fa8;font-size:12px}

/* 榜单 */
.seiuks-rank{display:grid;grid-template-columns:1fr 1fr;gap:11px 24px}
.seiuks-rank li{display:flex;align-items:center;gap:13px;padding:12px 16px;background:#fff;border:1px solid var(--seiuks-line);border-radius:13px;min-height:54px;transition:border-color .2s,transform .2s}
.seiuks-rank li:hover{border-color:#c6d5f2;transform:translateX(3px)}
.seiuks-no{width:27px;height:27px;flex:none;display:grid;place-items:center;border-radius:9px;background:var(--seiuks-soft);color:#2d4fa8;font-size:13px;font-weight:800}
.seiuks-rank li:nth-child(1) .seiuks-no{background:#1f4fd8;color:#fff}
.seiuks-rank li:nth-child(2) .seiuks-no{background:#3f6ee0;color:#fff}
.seiuks-rank li:nth-child(3) .seiuks-no{background:#ff9a6b;color:#fff}
.seiuks-rank-name{font-size:15px;font-weight:600}
.seiuks-rank-tag{margin-left:auto;font-size:12.5px;color:var(--seiuks-dim);white-space:nowrap}

/* 专题 */
.seiuks-topics{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.seiuks-topics li{display:flex;gap:18px;background:#fff;border:1px solid var(--seiuks-line);border-radius:var(--seiuks-radius);padding:24px;box-shadow:var(--seiuks-shadow);transition:transform .22s}
.seiuks-topics li:hover{transform:translateY(-3px)}
.seiuks-topic-no{font-size:26px;font-weight:800;color:#c8d7f5;line-height:1;flex:none;letter-spacing:-1px}
.seiuks-topics h3{font-size:16.5px;margin-bottom:7px}
.seiuks-topics p{font-size:14px;color:var(--seiuks-dim)}

/* 分组 / 标签 */
.seiuks-split{display:grid;grid-template-columns:1fr 1fr;gap:var(--seiuks-gap)}
.seiuks-panel{background:#fff;border:1px solid var(--seiuks-line);border-radius:var(--seiuks-radius);padding:24px;box-shadow:var(--seiuks-shadow)}
.seiuks-panel h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.seiuks-panel h3::after{content:"";flex:1;height:1px;background:var(--seiuks-line)}
.seiuks-chips{display:flex;flex-wrap:wrap;gap:10px}
.seiuks-chips li{display:flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--seiuks-line);font-size:14px;color:var(--seiuks-ink)}
.seiuks-panel .seiuks-chips li{background:#f7f9ff}

/* 资讯 */
.seiuks-news{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.seiuks-news li{display:flex;gap:15px;background:#fff;border:1px solid var(--seiuks-line);border-radius:14px;overflow:hidden;box-shadow:var(--seiuks-shadow);transition:transform .22s}
.seiuks-news li:hover{transform:translateY(-3px)}
.seiuks-newsthumb{width:128px;flex:none;aspect-ratio:16/11;background:#dde6f7;overflow:hidden}
.seiuks-newsthumb img{width:100%;height:100%;object-fit:cover}
.seiuks-newstxt{padding:14px 16px 14px 0}
.seiuks-newstxt h3{font-size:15px;font-weight:700;line-height:1.45}
.seiuks-newstxt span{display:inline-block;margin-top:8px;font-size:12.5px;color:var(--seiuks-dim)}

/* 口碑 */
.seiuks-quotes{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.seiuks-quotes li{background:#fff;border:1px solid var(--seiuks-line);border-radius:var(--seiuks-radius);padding:22px 24px;box-shadow:var(--seiuks-shadow)}
.seiuks-quotes p{font-size:14.5px;color:var(--seiuks-ink)}
.seiuks-quotes em{display:block;margin-top:12px;font-style:normal;font-size:13px;color:var(--seiuks-dim)}

/* 问答 */
.seiuks-faq{display:grid;gap:12px;max-width:900px}
.seiuks-faq li{background:#fff;border:1px solid var(--seiuks-line);border-radius:14px;padding:20px 24px;box-shadow:var(--seiuks-shadow)}
.seiuks-faq h3{font-size:15.5px;margin-bottom:7px}
.seiuks-faq p{font-size:14px;color:var(--seiuks-dim)}

/* 收口 */
.seiuks-cta{background:linear-gradient(110deg,rgba(9,20,46,.94),rgba(14,34,80,.76)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;border-radius:20px;color:#fff;padding:46px 34px;text-align:center}
.seiuks-cta h2{font-size:clamp(21px,3vw,28px);font-weight:800;letter-spacing:-.4px}
.seiuks-cta p{margin:14px auto 0;max-width:660px;font-size:14.5px;color:#c4d2ec}
.seiuks-cta .seiuks-btns{justify-content:center;margin-top:24px}

/* 页脚 */
.seiuks-foot{background:#0b1730;color:#aab9d4;padding-top:50px;margin-top:0}
.seiuks-foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.seiuks-foot h3{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;letter-spacing:.3px}
.seiuks-foot p{font-size:13.5px;line-height:1.8;color:#8fa1c1}
.seiuks-foot-grid ul{display:grid;gap:9px}
.seiuks-foot-grid a{font-size:13.5px;color:#aab9d4;transition:color .2s}
.seiuks-foot-grid a:hover{color:#fff}
.seiuks-brandline{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:12px}
.seiuks-brandline i{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,#1f4fd8,#5b8cff);display:grid;place-items:center;font-style:normal;font-size:14px}
.seiuks-copy{margin-top:38px;border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;font-size:13px;color:#7f92b3}

/* 断点 */
@media (max-width:1024px){
  .seiuks-cd{grid-template-columns:1fr;gap:26px}
  .seiuks-glance,.seiuks-perks,.seiuks-tl,.seiuks-cards{grid-template-columns:repeat(3,1fr)}
  .seiuks-cards{grid-template-columns:repeat(3,1fr)}
  .seiuks-foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .seiuks-sec{padding:44px 0}
  .seiuks-hero{padding:56px 0 48px}
  .seiuks-glance,.seiuks-perks,.seiuks-tl,.seiuks-cards{grid-template-columns:repeat(2,1fr)}
  .seiuks-rank{grid-template-columns:1fr}
  .seiuks-topics,.seiuks-split,.seiuks-news,.seiuks-quotes{grid-template-columns:1fr}
  .seiuks-cdlist li{flex-wrap:wrap;gap:6px}
  .seiuks-cdlist strong{min-width:0}
}
@media (max-width:520px){
  .seiuks-wrap{padding:0 15px}
  .seiuks-top-in{min-height:58px;gap:10px}
  .seiuks-logo{font-size:15px}
  .seiuks-logo i{width:32px;height:32px}
  .seiuks-nav a{padding:0 11px;font-size:14px}
  .seiuks-cards{grid-template-columns:repeat(2,1fr);gap:14px}
  .seiuks-glance,.seiuks-perks,.seiuks-tl{grid-template-columns:1fr}
  .seiuks-card-body h3{font-size:14.5px}
  .seiuks-newsthumb{width:105px}
  .seiuks-cta{padding:34px 20px;border-radius:16px}
  .seiuks-foot-grid{grid-template-columns:1fr;gap:24px}
  .seiuks-hero h1{letter-spacing:-.6px}
}