/* roulang page: index */
:root{
  --bk1:#0c0e11;
  --bk2:#14171c;
  --bk3:#1b1f26;
  --jin:#e4b473;
  --jin2:#c9974f;
  --zi:#f2f0ec;
  --ci:#98a0aa;
  --xian:rgba(255,255,255,.08);
  --yuan:16px;
  --ying:0 20px 45px rgba(0,0,0,.45);
  --ju:clamp(18px,3.4vw,40px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bk1);
  color:var(--zi);
  font:16px/1.75 "PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--jin);outline-offset:3px}
.vbh-wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.vbh-sec{padding:var(--ju) 0}
.vbh-alt{background:var(--bk2);border-top:1px solid var(--xian);border-bottom:1px solid var(--xian)}

/* 顶栏 */
.vbh-top{position:sticky;top:0;z-index:30;background:rgba(12,14,17,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--xian)}
.vbh-top-in{display:flex;align-items:center;gap:24px;min-height:70px}
.vbh-brand{display:flex;align-items:center;gap:12px;flex:none}
.vbh-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(140deg,var(--jin),var(--jin2));color:#15181d;font-size:13px;font-weight:700;display:grid;place-items:center;letter-spacing:1px}
.vbh-btxt b{display:block;font-size:17px;letter-spacing:.5px;line-height:1.3}
.vbh-btxt i{display:block;font-style:normal;font-size:11px;color:var(--ci);letter-spacing:2px}
.vbh-nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.vbh-nav::-webkit-scrollbar{display:none}
.vbh-nav a{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:999px;font-size:14px;color:var(--ci);white-space:nowrap;transition:background .25s,color .25s}
.vbh-nav a:hover,.vbh-nav a:focus-visible{color:var(--zi);background:rgba(255,255,255,.06)}
.vbh-nav a:first-child{color:var(--jin)}

/* 首屏 */
.vbh-hero{position:relative;display:flex;align-items:center;min-height:72vh;padding:96px 0 76px;overflow:hidden}
.vbh-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;transform:scale(1.03)}
.vbh-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,12,15,.95) 14%,rgba(10,12,15,.74) 55%,rgba(10,12,15,.46) 100%)}
.vbh-hero-in{position:relative;z-index:2;max-width:740px}
.vbh-kicker{display:block;color:var(--jin);font-size:12px;letter-spacing:4px;margin-bottom:14px}
.vbh-hero h1{font-size:clamp(30px,5.2vw,54px);line-height:1.22;letter-spacing:1px;font-weight:700}
.vbh-hero h1 span{color:var(--jin)}
.vbh-sub{margin-top:16px;font-size:clamp(15px,2vw,18px);color:#d7d3cb;letter-spacing:.5px}
.vbh-lead{margin-top:18px;font-size:15px;line-height:1.9;color:var(--ci);max-width:620px}
.vbh-acts{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:28px}
.vbh-play{width:52px;height:52px;border-radius:50%;border:1px solid rgba(228,180,115,.6);display:grid;place-items:center;transition:.25s}
.vbh-play span{width:0;height:0;border-left:12px solid var(--jin);border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:4px}
.vbh-play:hover{background:rgba(228,180,115,.14);transform:scale(1.05)}
.vbh-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:999px;background:linear-gradient(135deg,var(--jin),var(--jin2));color:#15181d;font-size:15px;font-weight:600;transition:transform .25s,box-shadow .25s}
.vbh-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,180,115,.26)}
.vbh-btn-gh{background:transparent;border:1px solid var(--xian);color:var(--zi)}
.vbh-btn-gh:hover{background:rgba(255,255,255,.06);border-color:rgba(228,180,115,.5);box-shadow:none}

/* 板块头 */
.vbh-head{max-width:660px;margin-bottom:28px}
.vbh-head h2{font-size:clamp(21px,3vw,30px);line-height:1.35;letter-spacing:.5px}
.vbh-head p{margin-top:12px;color:var(--ci);font-size:15px;line-height:1.85}

/* 剧荒两栏 */
.vbh-two{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:start}
.vbh-two h2{font-size:clamp(21px,3vw,30px);line-height:1.4}
.vbh-two p{margin-top:16px;color:var(--ci);font-size:15px;line-height:1.9}
.vbh-points li{border-left:2px solid rgba(228,180,115,.38);padding:2px 0 2px 16px;margin-bottom:20px}
.vbh-points b{display:block;font-size:16px;margin-bottom:4px}
.vbh-points span{font-size:14px;color:var(--ci)}

/* 分类频道 */
.vbh-chans{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.vbh-chan{background:var(--bk1);border:1px solid var(--xian);border-radius:var(--yuan);padding:22px 20px;transition:border-color .25s,background .25s}
.vbh-chan:hover{border-color:rgba(228,180,115,.4);background:var(--bk3)}
.vbh-chan b{display:block;font-size:16px}
.vbh-chan b::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--jin);margin-right:9px;vertical-align:middle}
.vbh-chan span{display:block;margin-top:10px;font-size:14px;line-height:1.75;color:var(--ci)}

/* 卡片 */
.vbh-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vbh-card{background:var(--bk2);border:1px solid var(--xian);border-radius:var(--yuan);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.vbh-card:hover{transform:translateY(-5px);border-color:rgba(228,180,115,.45);box-shadow:var(--ying)}
.vbh-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--bk3)}
.vbh-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.vbh-card:hover .vbh-thumb img{transform:scale(1.06)}
.vbh-badge{position:absolute;top:10px;left:10px;font-size:11px;letter-spacing:1px;color:var(--jin);background:rgba(12,14,17,.82);border:1px solid rgba(228,180,115,.4);border-radius:999px;padding:3px 9px}
.vbh-score{position:absolute;right:10px;bottom:10px;font-size:13px;font-weight:600;color:var(--jin);background:rgba(12,14,17,.84);border-radius:8px;padding:3px 9px}
.vbh-card h3{font-size:16px;font-weight:600;padding:14px 14px 0}
.vbh-card p{font-size:13px;color:var(--ci);padding:6px 14px 16px}

/* 榜单 */
.vbh-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.vbh-rank li{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--xian)}
.vbh-num{font-family:Georgia,"Times New Roman",serif;font-size:17px;color:var(--jin);width:28px;flex:none}
.vbh-rank b{font-size:15px;font-weight:600}
.vbh-tag{margin-left:auto;font-size:12px;color:var(--ci);border:1px solid var(--xian);border-radius:999px;padding:2px 10px;white-space:nowrap}
.vbh-rscore{font-size:14px;font-weight:600;color:var(--jin);width:36px;text-align:right;flex:none}

/* 高分好评 */
.vbh-list li{display:flex;gap:16px;align-items:baseline;padding:17px 0;border-bottom:1px solid var(--xian);flex-wrap:wrap}
.vbh-list b{font-size:16px;font-weight:600;min-width:150px}
.vbh-list em{font-style:normal;font-size:14px;font-weight:600;color:var(--jin);min-width:42px}
.vbh-list span{font-size:14px;color:var(--ci);flex:1 1 240px}

/* 专题 */
.vbh-topic{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vbh-tcard{position:relative;min-height:230px;display:flex;flex-direction:column;justify-content:flex-end;padding:22px;border-radius:var(--yuan);overflow:hidden;border:1px solid var(--xian)}
.vbh-tcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.vbh-tcard:hover img{transform:scale(1.06)}
.vbh-tcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,15,.1),rgba(10,12,15,.92))}
.vbh-tcard div{position:relative;z-index:2}
.vbh-tcard h3{font-size:17px;font-weight:600}
.vbh-tcard p{margin-top:8px;font-size:13px;color:#c4c8cd;line-height:1.7}

/* 口碑 */
.vbh-voice{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vbh-vcard{background:var(--bk1);border:1px solid var(--xian);border-radius:var(--yuan);padding:22px}
.vbh-vcard p{font-size:15px;line-height:1.85;color:#dcd9d3}
.vbh-who{margin-top:14px;font-size:13px;color:var(--jin)}

/* 保障条 */
.vbh-guard{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.vbh-gitem{border-top:2px solid rgba(228,180,115,.45);padding-top:14px}
.vbh-gitem b{display:block;font-size:15px;margin-bottom:6px}
.vbh-gitem span{font-size:13.5px;color:var(--ci);line-height:1.7}

/* 资讯 */
.vbh-news{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.vbh-nitem{display:flex;gap:14px;align-items:center;background:var(--bk2);border:1px solid var(--xian);border-radius:var(--yuan);padding:14px;transition:border-color .25s,transform .25s}
.vbh-nitem:hover{border-color:rgba(228,180,115,.4);transform:translateY(-3px)}
.vbh-nitem img{width:96px;height:74px;object-fit:cover;border-radius:10px;flex:none}
.vbh-nitem b{display:block;font-size:15px;font-weight:600;line-height:1.55}
.vbh-nitem span{display:block;margin-top:6px;font-size:12px;color:var(--jin);letter-spacing:1px}

/* 问答 */
.vbh-faq details{border-bottom:1px solid var(--xian)}
.vbh-faq details:first-of-type{border-top:1px solid var(--xian)}
.vbh-faq summary{cursor:pointer;list-style:none;position:relative;padding:18px 36px 18px 0;font-size:16px;min-height:44px;display:flex;align-items:center}
.vbh-faq summary::-webkit-details-marker{display:none}
.vbh-faq summary::after{content:"+";position:absolute;right:4px;color:var(--jin);font-size:20px;line-height:1}
.vbh-faq details[open] summary::after{content:"–"}
.vbh-faq p{font-size:14.5px;color:var(--ci);line-height:1.85;padding:0 0 20px}

/* 收口 */
.vbh-end{background:linear-gradient(120deg,var(--bk3),var(--bk2));border:1px solid var(--xian);border-radius:22px;padding:clamp(28px,5vw,54px);text-align:center}
.vbh-end h2{font-size:clamp(21px,3vw,30px);line-height:1.4}
.vbh-end p{margin:14px auto 0;max-width:620px;font-size:15px;color:var(--ci);line-height:1.85}
.vbh-end .vbh-btn{margin-top:24px}

/* 页脚 */
.vbh-foot{background:#0a0c0e;border-top:1px solid var(--xian);margin-top:var(--ju);padding-top:44px}
.vbh-fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;padding-bottom:34px}
.vbh-fbrand b{display:block;font-size:17px;margin-bottom:10px}
.vbh-fbrand p{font-size:14px;color:var(--ci);line-height:1.8;max-width:280px}
.vbh-foot h4{font-size:14px;color:var(--zi);margin-bottom:12px;letter-spacing:1px}
.vbh-foot a{display:block;padding:6px 0;font-size:14px;color:var(--ci);transition:color .2s}
.vbh-foot a:hover{color:var(--jin)}
.vbh-foot .vbh-plain{display:block;padding:6px 0;font-size:14px;color:var(--ci)}
.vbh-copy{border-top:1px solid var(--xian);padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#6f7780}

@media(max-width:1024px){
  .vbh-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .vbh-chans{grid-template-columns:repeat(2,1fr)}
  .vbh-two{grid-template-columns:1fr;gap:24px}
  .vbh-guard{grid-template-columns:repeat(2,1fr)}
  .vbh-fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .vbh-top-in{flex-direction:column;align-items:flex-start;gap:6px;padding:10px 0}
  .vbh-nav{margin-left:0;width:100%}
  .vbh-hero{min-height:auto;padding:64px 0 56px}
  .vbh-grid{grid-template-columns:repeat(2,1fr)}
  .vbh-rank{grid-template-columns:1fr}
  .vbh-topic{grid-template-columns:1fr}
  .vbh-voice{grid-template-columns:1fr}
  .vbh-news{grid-template-columns:1fr}
  .vbh-list b{min-width:120px}
}
@media(max-width:520px){
  .vbh-wrap{padding:0 16px}
  .vbh-chans{grid-template-columns:1fr}
  .vbh-guard{grid-template-columns:1fr}
  .vbh-fgrid{grid-template-columns:1fr}
  .vbh-grid{gap:10px}
  .vbh-card h3{font-size:15px;padding:12px 12px 0}
  .vbh-card p{padding:4px 12px 14px}
  .vbh-nitem img{width:82px;height:64px}
  .vbh-acts{gap:10px}
  .vbh-btn{padding:0 20px;font-size:14px}
}