/* roulang page: index */
:root{
  --guo1:#ffb703;
  --guo2:#ff5f3d;
  --paper:#0f0e16;
  --panel:#181627;
  --ink:#f3f1fb;
  --sub:#a09db4;
  --line:rgba(255,255,255,.09);
  --rr:14px;
  --shadow:0 14px 36px rgba(0,0,0,.38);
  --gap:clamp(26px,4vw,58px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.75 "PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;-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{margin:0;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--guo1);outline-offset:3px;border-radius:6px}
.ylran-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.ylran-top{position:sticky;top:0;z-index:30;background:rgba(12,11,20,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.ylran-topin{max-width:1180px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:18px}
.ylran-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.ylran-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--guo1),var(--guo2));color:#1a1020;font-weight:800;display:grid;place-items:center;font-size:19px}
.ylran-name{font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.ylran-nav{margin-left:auto;display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none}
.ylran-nav::-webkit-scrollbar{display:none}
.ylran-nav a{display:flex;align-items:center;min-height:44px;padding:0 13px;border-radius:10px;font-size:14px;color:var(--sub);white-space:nowrap;transition:color .2s,background .2s}
.ylran-nav a:hover,.ylran-nav a.on{color:#fff;background:rgba(255,183,3,.14)}

/* 首屏 */
.ylran-hero{position:relative;border-bottom:1px solid var(--line);background:#0b0a12 url("/assets/images/backpic/back-8.webp") center/cover no-repeat}
.ylran-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(10,9,17,.96) 0%,rgba(10,9,17,.9) 46%,rgba(10,9,17,.6) 100%)}
.ylran-heroin{position:relative;max-width:1180px;margin:0 auto;padding:clamp(30px,5vw,68px) 20px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:clamp(22px,3.4vw,48px);align-items:center}
.ylran-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.07em;color:var(--guo1);background:rgba(255,183,3,.1);border:1px solid rgba(255,183,3,.28);border-radius:999px;padding:5px 14px}
.ylran-herotxt h1{margin:16px 0 0;font-size:clamp(28px,4.2vw,50px);font-weight:800;letter-spacing:-.5px}
.ylran-herotxt h1 em{font-style:normal;background:linear-gradient(100deg,var(--guo1),var(--guo2));-webkit-background-clip:text;background-clip:text;color:transparent}
.ylran-sub{margin-top:12px;font-size:clamp(15px,1.5vw,18px);color:#ded9f0}
.ylran-lead{margin-top:14px;font-size:15px;color:var(--sub);max-width:60ch}
.ylran-acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.ylran-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 26px;border:0;border-radius:999px;background:linear-gradient(135deg,var(--guo1),var(--guo2));color:#1a1020;font-size:15px;font-weight:700;transition:transform .2s,box-shadow .2s}
.ylran-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,140,30,.3)}
.ylran-btn--ghost{background:transparent;color:var(--ink);border:1px solid rgba(255,255,255,.22)}
.ylran-btn--ghost:hover{border-color:var(--guo1);color:var(--guo1);box-shadow:none;transform:none}
.ylran-btn--sm{width:100%;min-height:42px;padding:0 20px;font-size:14px}
.ylran-facts{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.ylran-facts li{font-size:13px;color:var(--sub);border:1px solid var(--line);border-radius:8px;padding:5px 12px;background:rgba(255,255,255,.03)}
.ylran-slate{background:linear-gradient(180deg,rgba(32,29,50,.92),rgba(20,18,34,.94));border:1px solid rgba(255,183,3,.22);border-radius:20px;padding:22px;display:flex;flex-direction:column;align-items:center;gap:16px;box-shadow:var(--shadow)}
.ylran-slate-t{font-size:13.5px;font-weight:700;color:#fff;letter-spacing:.03em}
.ylran-ring{width:132px;height:132px;border-radius:50%;background:conic-gradient(var(--guo1) 74%,rgba(255,255,255,.12) 0);display:grid;place-items:center;position:relative}
.ylran-ring::after{content:"";position:absolute;inset:13px;border-radius:50%;background:#151322}
.ylran-ring span{position:relative;z-index:1;font-size:12px;color:var(--sub);text-align:center;line-height:1.6}
.ylran-ring b{display:block;font-size:20px;color:#fff;letter-spacing:.04em}
.ylran-dots{width:100%;display:grid;gap:8px}
.ylran-dots li{position:relative;padding-left:20px;font-size:13px;color:var(--sub)}
.ylran-dots li::before{content:"✓";position:absolute;left:0;top:0;color:var(--guo1);font-weight:700}

/* 板块通用 */
.ylran-sec{padding:var(--gap) 0}
.ylran-sec--alt{background:#141222;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ylran-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.ylran-head h2{font-size:clamp(20px,2.6vw,28px);font-weight:800}
.ylran-desc{margin-top:10px;max-width:74ch;font-size:14px;color:var(--sub)}
.ylran-more{display:inline-flex;align-items:center;min-height:44px;font-size:13px;color:var(--guo1);border-bottom:1px dashed rgba(255,183,3,.5);padding-bottom:2px}

/* 分类 */
.ylran-ch{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.ylran-ch li{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--rr);padding:18px 18px 18px 22px;transition:border-color .2s,transform .2s}
.ylran-ch li::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:linear-gradient(var(--guo1),var(--guo2))}
.ylran-ch li:hover{border-color:rgba(255,183,3,.4);transform:translateY(-3px)}
.ylran-ch h3{font-size:16px;font-weight:700}
.ylran-ch p{margin-top:8px;font-size:13.5px;color:var(--sub)}

/* 卡片网格 */
.ylran-c6{display:grid;gap:18px;grid-template-columns:repeat(6,1fr)}
.ylran-card{background:linear-gradient(180deg,#1c1a2b,#151422);border:1px solid var(--line);border-radius:var(--rr);overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s}
.ylran-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,183,3,.4)}
.ylran-thumb{position:relative;aspect-ratio:3/4;background:#221f33;overflow:hidden}
.ylran-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.ylran-card:hover .ylran-thumb img{transform:scale(1.05)}
.ylran-badge{position:absolute;top:8px;left:8px;background:rgba(10,9,16,.8);color:var(--guo1);font-size:11px;padding:3px 8px;border-radius:999px;border:1px solid rgba(255,183,3,.35)}
.ylran-badge--r{left:auto;right:8px;color:#fff;background:rgba(255,95,61,.86);border-color:transparent}
.ylran-cbody{padding:10px 12px 14px}
.ylran-cbody h3{font-size:14px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em}
.ylran-meta{margin-top:6px;display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--sub)}

/* 资讯 */
.ylran-news{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.ylran-news li{display:grid;grid-template-columns:132px minmax(0,1fr);gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:var(--rr);padding:12px;transition:border-color .2s}
.ylran-news li:hover{border-color:rgba(255,183,3,.35)}
.ylran-newsimg{width:132px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#221f33}
.ylran-newsimg img{width:100%;height:100%;object-fit:cover}
.ylran-news h3{font-size:15px;font-weight:700;line-height:1.45}
.ylran-news p{margin-top:6px;font-size:13px;color:var(--sub)}
.ylran-time{display:inline-block;margin-top:8px;font-size:12px;color:var(--guo1)}

/* 榜单 */
.ylran-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 26px}
.ylran-rank li{display:flex;align-items:center;gap:14px;min-height:58px;padding:11px 14px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
.ylran-rank li:nth-child(-n+3){background:linear-gradient(100deg,rgba(255,183,3,.12),var(--panel));border-color:rgba(255,183,3,.28)}
.ylran-no{flex:0 0 auto;width:28px;font-size:17px;font-weight:800;color:var(--guo1);font-variant-numeric:tabular-nums}
.ylran-rank h3{font-size:15px;font-weight:700}
.ylran-rank .ylran-meta{margin-top:2px;font-size:12px}
.ylran-hot{margin-left:auto;font-size:12px;color:var(--guo2);white-space:nowrap}

/* 口碑 */
.ylran-quote{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.ylran-quote li{background:var(--panel);border:1px solid var(--line);border-radius:var(--rr);padding:18px}
.ylran-quote p{font-size:14px;color:#ded9f0}
.ylran-quote span{display:block;margin-top:12px;font-size:12.5px;color:var(--guo1)}

/* 专题 */
.ylran-feat{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.ylran-feat li{background:var(--panel);border:1px solid var(--line);border-radius:var(--rr);overflow:hidden;transition:transform .22s,border-color .22s}
.ylran-feat li:hover{transform:translateY(-4px);border-color:rgba(255,183,3,.4)}
.ylran-feat .ylran-thumb{aspect-ratio:16/9}
.ylran-feat-body{padding:16px}
.ylran-feat-body h3{font-size:16px;font-weight:700}
.ylran-feat-body p{margin-top:8px;font-size:13.5px;color:var(--sub)}
.ylran-chip{display:inline-block;margin-top:12px;font-size:12px;color:var(--guo1);border:1px solid rgba(255,183,3,.35);border-radius:999px;padding:2px 10px}

/* 多端 */
.ylran-duo{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(20px,3vw,44px);align-items:center}
.ylran-duo-list li{padding:14px 0;border-bottom:1px dashed var(--line)}
.ylran-duo-list li:last-child{border-bottom:0}
.ylran-duo-list h3{font-size:15.5px;font-weight:700}
.ylran-duo-list p{margin-top:4px;font-size:13.5px;color:var(--sub)}

/* 标签 */
.ylran-tags{display:flex;flex-wrap:wrap;gap:10px}
.ylran-tags a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--panel);font-size:14px;color:#ded9f0;transition:border-color .2s,color .2s,transform .2s}
.ylran-tags a:hover{border-color:var(--guo1);color:var(--guo1);transform:translateY(-2px)}

/* 保障 */
.ylran-safe{display:grid;gap:14px;grid-template-columns:repeat(4,1fr)}
.ylran-safe li{background:var(--panel);border:1px solid var(--line);border-radius:var(--rr);padding:16px}
.ylran-safe h3{display:flex;align-items:center;gap:8px;font-size:15px}
.ylran-safe h3::before{content:"✓";color:var(--guo1);font-weight:800}
.ylran-safe p{margin-top:6px;font-size:13px;color:var(--sub)}

/* 问答 */
.ylran-faq{display:grid;gap:12px}
.ylran-faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px}
.ylran-faq summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:26px;font-size:15.5px;font-weight:700;cursor:pointer;list-style:none}
.ylran-faq summary::-webkit-details-marker{display:none}
.ylran-faq summary::after{content:"+";font-size:20px;line-height:1;color:var(--guo1)}
.ylran-faq details[open] summary::after{content:"−"}
.ylran-faq p{margin-top:10px;font-size:14px;color:var(--sub)}

/* 收口 */
.ylran-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:clamp(24px,4vw,44px);border-radius:22px;border:1px solid rgba(255,183,3,.26);background:linear-gradient(115deg,rgba(255,183,3,.14),rgba(255,95,61,.1))}
.ylran-cta h2{font-size:clamp(19px,2.4vw,26px);font-weight:800}
.ylran-cta p{margin-top:8px;max-width:60ch;font-size:14px;color:var(--sub)}

/* 页脚 */
.ylran-foot{background:#0b0a12;border-top:1px solid var(--line);padding:clamp(28px,4vw,52px) 0 0}
.ylran-footgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding-bottom:30px}
.ylran-footname{font-size:17px;font-weight:800;color:#fff}
.ylran-foot h3{margin-bottom:12px;font-size:14px;color:#fff}
.ylran-foot li{font-size:13.5px;color:var(--sub);line-height:2.2}
.ylran-foot p{margin-top:10px;max-width:34ch;font-size:13.5px;color:var(--sub)}
.ylran-foot a:hover{color:var(--guo1)}
.ylran-copy{border-top:1px solid var(--line);padding:16px 20px;text-align:center;font-size:12.5px;color:#6f6c82}

@media(max-width:1024px){
  .ylran-heroin{grid-template-columns:1fr;gap:28px}
  .ylran-slate{max-width:420px;align-items:flex-start}
  .ylran-slate .ylran-ring{align-self:flex-start}
  .ylran-c6{grid-template-columns:repeat(3,1fr)}
  .ylran-ch{grid-template-columns:repeat(2,1fr)}
  .ylran-feat{grid-template-columns:1fr}
  .ylran-quote{grid-template-columns:repeat(2,1fr)}
  .ylran-safe{grid-template-columns:repeat(2,1fr)}
  .ylran-duo{grid-template-columns:1fr}
  .ylran-footgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .ylran-topin{flex-wrap:wrap;padding:8px 16px;gap:10px}
  .ylran-nav{order:3;width:100%;margin-left:0;border-top:1px solid var(--line);padding-top:6px}
  .ylran-news{grid-template-columns:1fr}
  .ylran-rank{grid-template-columns:1fr}
  .ylran-quote{grid-template-columns:1fr}
  .ylran-slate{max-width:none}
}
@media(max-width:520px){
  .ylran-wrap{padding:0 16px}
  .ylran-heroin{padding:26px 16px 30px}
  .ylran-c6{grid-template-columns:repeat(2,1fr);gap:12px}
  .ylran-ch{grid-template-columns:1fr}
  .ylran-safe{grid-template-columns:1fr}
  .ylran-footgrid{grid-template-columns:1fr;gap:22px}
  .ylran-news li{grid-template-columns:104px minmax(0,1fr);gap:10px}
  .ylran-newsimg{width:104px}
  .ylran-lead{font-size:14px}
  .ylran-cta{flex-direction:column;align-items:flex-start}
  .ylran-btn{width:100%}
  .ylran-acts .ylran-btn{width:100%}
}