/* roulang page: index */
:root{
  --pbna-bg:#0b0d12;
  --pbna-panel:#141925;
  --pbna-panel2:#1c2231;
  --pbna-ink:#f3f5f9;
  --pbna-fade:#9aa3b5;
  --pbna-line:#252c3b;
  --pbna-fire:#ff7d4d;
  --pbna-gold:#ffc857;
  --pbna-r:16px;
  --pbna-sh:0 22px 48px -30px rgba(0,0,0,.95);
  --pbna-gap:clamp(18px,3.4vw,36px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--pbna-bg);color:var(--pbna-ink);font:15px/1.68 -apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{line-height:1.28;font-weight:700}
:focus-visible{outline:2px solid var(--pbna-gold);outline-offset:3px;border-radius:6px}

.pbna-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}

/* 顶栏 */
.pbna-top{position:sticky;top:0;z-index:30;background:rgba(11,13,18,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--pbna-line)}
.pbna-topbar{display:flex;align-items:center;gap:12px;padding:10px 0}
.pbna-logo{display:inline-flex;align-items:center;gap:9px;min-height:44px;flex:0 0 auto}
.pbna-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:17px;color:#17110a;background:linear-gradient(140deg,var(--pbna-fire),var(--pbna-gold))}
.pbna-name{font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.pbna-nav{flex:1 1 auto;min-width:0;display:flex;gap:2px;justify-content:flex-end;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.pbna-nav::-webkit-scrollbar{display:none}
.pbna-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 11px;border-radius:10px;font-size:14px;color:var(--pbna-fade);white-space:nowrap;transition:color .2s,background .2s}
.pbna-nav a:hover,.pbna-nav a:focus-visible{color:var(--pbna-ink);background:var(--pbna-panel2)}

/* 首屏 */
.pbna-hero{position:relative;padding:clamp(26px,6vw,62px) 0 clamp(30px,6vw,70px);border-bottom:1px solid var(--pbna-line);background:linear-gradient(180deg,rgba(11,13,18,.78) 0%,rgba(11,13,18,.94) 56%,var(--pbna-bg) 100%),url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.pbna-hero-grid{display:grid;gap:clamp(24px,4vw,46px);align-items:center}
.pbna-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--pbna-gold);margin-bottom:14px}
.pbna-kicker::before{content:"";width:22px;height:2px;background:var(--pbna-fire);border-radius:2px}
.pbna-hero h1{font-size:clamp(30px,7.4vw,56px);letter-spacing:.01em}
.pbna-hl{color:var(--pbna-fire)}
.pbna-hero-sub{margin-top:12px;font-size:clamp(15.5px,2.3vw,19px);font-weight:600;color:#dbe1ec}
.pbna-hero-lead{margin-top:14px;font-size:14.5px;color:var(--pbna-fade);max-width:640px}
.pbna-hero-act{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.pbna-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;color:#181009;background:linear-gradient(135deg,var(--pbna-fire),#ffa072);border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s}
.pbna-btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(255,125,77,.9)}
.pbna-btn-ghost{background:rgba(28,34,49,.6);color:var(--pbna-ink);border-color:var(--pbna-line)}
.pbna-btn-ghost:hover{background:var(--pbna-panel2);box-shadow:none}
.pbna-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.pbna-hero-tags li{font-size:13px;color:#cfd6e3;padding:6px 13px;border-radius:999px;border:1px solid var(--pbna-line);background:rgba(28,34,49,.7)}
.pbna-poster{position:relative;margin:0;width:100%;max-width:320px;margin-inline:auto;aspect-ratio:3/4;overflow:hidden;border-radius:22px;border:1px solid #2c3547;box-shadow:var(--pbna-sh)}
.pbna-poster img{width:100%;height:100%;object-fit:cover}
.pbna-poster figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;font-size:13px;color:#e8edf6;background:linear-gradient(180deg,rgba(8,10,15,0),rgba(8,10,15,.94))}

/* 板块通用 */
.pbna-sec{padding:clamp(32px,5.6vw,62px) 0;border-bottom:1px solid rgba(37,44,59,.7)}
.pbna-sec.is-alt{background:linear-gradient(180deg,rgba(20,25,37,.72),rgba(11,13,18,0))}
.pbna-sec-head{display:flex;flex-direction:column;gap:10px;margin-bottom:clamp(18px,3vw,30px)}
.pbna-sec-head h2{font-size:clamp(20px,3.4vw,28px)}
.pbna-sec-head p{color:var(--pbna-fade);font-size:14.5px;max-width:780px}

/* 分类频道 */
.pbna-cats{display:grid;gap:14px}
.pbna-cats li{padding:18px;border:1px solid var(--pbna-line);border-radius:var(--pbna-r);background:var(--pbna-panel);transition:border-color .22s,transform .22s}
.pbna-cats li:hover{border-color:#3b465c;transform:translateY(-2px)}
.pbna-cats h3{font-size:16px;margin-bottom:6px}
.pbna-cats p{color:var(--pbna-fade);font-size:13.5px}

/* 卡片墙 */
.pbna-wall{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.pbna-card{background:var(--pbna-panel);border:1px solid var(--pbna-line);border-radius:var(--pbna-r);overflow:hidden;transition:transform .24s,border-color .24s,box-shadow .24s}
.pbna-card:hover{transform:translateY(-4px);border-color:#3b465c;box-shadow:var(--pbna-sh)}
.pbna-thumb{position:relative;aspect-ratio:16/10;background:#0f131c}
.pbna-thumb img{width:100%;height:100%;object-fit:cover}
.pbna-badge{position:absolute;left:10px;top:10px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;color:var(--pbna-gold);background:rgba(11,13,18,.78);border:1px solid rgba(255,200,87,.34)}
.pbna-score{position:absolute;right:10px;bottom:10px;font-size:13px;font-weight:700;padding:2px 8px;border-radius:8px;color:var(--pbna-fire);background:rgba(11,13,18,.82)}
.pbna-card-body{padding:12px 14px 16px}
.pbna-card-body h3{font-size:15px;margin-bottom:4px}
.pbna-card-body p{font-size:13px;color:var(--pbna-fade)}

/* 资讯 */
.pbna-news{display:grid;gap:14px}
.pbna-news figure{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:14px;background:#0f131c}
.pbna-news img{width:100%;height:100%;object-fit:cover}
.pbna-news figcaption{position:absolute;left:10px;top:10px;font-size:12px;padding:3px 9px;border-radius:999px;color:#e8edf6;background:rgba(11,13,18,.8);border:1px solid var(--pbna-line)}
.pbna-news h3{margin-top:10px;font-size:15px;line-height:1.5}

/* 排行榜 */
.pbna-rank{display:grid;gap:10px}
.pbna-rank li{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:11px 14px;border:1px solid var(--pbna-line);border-radius:14px;background:var(--pbna-panel);transition:border-color .2s}
.pbna-rank li:hover{border-color:#3b465c}
.pbna-no{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;font-size:13px;font-weight:700;color:var(--pbna-fade);background:var(--pbna-panel2)}
.pbna-no-top{color:#181009;background:linear-gradient(135deg,var(--pbna-fire),var(--pbna-gold))}
.pbna-rank-name{font-size:14.5px;font-weight:600}
.pbna-rank-name em{font-style:normal;font-size:12px;font-weight:400;color:var(--pbna-fade);margin-left:8px}
.pbna-rank-score{font-size:14px;font-weight:700;color:var(--pbna-gold)}

/* 高分好评 */
.pbna-high{display:grid;gap:12px}
.pbna-high li{padding:14px 16px;border-radius:0 14px 14px 0;border-left:3px solid var(--pbna-fire);background:var(--pbna-panel)}
.pbna-high h3{font-size:15px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.pbna-high h3 span{font-size:13px;font-weight:700;color:var(--pbna-gold)}
.pbna-high p{font-size:13.5px;color:var(--pbna-fade)}

/* 专题 */
.pbna-spec{display:grid;gap:16px}
.pbna-spec figure{position:relative;min-height:200px;display:flex;align-items:flex-end;overflow:hidden;border-radius:var(--pbna-r);border:1px solid var(--pbna-line)}
.pbna-spec img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pbna-spec figcaption{position:relative;width:100%;padding:44px 18px 16px;background:linear-gradient(180deg,rgba(8,10,15,0),rgba(8,10,15,.94))}
.pbna-spec h3{font-size:16px;margin-bottom:6px}
.pbna-spec p{font-size:13.5px;color:#c8d0dd}

/* 观众反馈 */
.pbna-voice{display:grid;gap:14px}
.pbna-voice li{padding:18px;border:1px solid var(--pbna-line);border-radius:var(--pbna-r);background:var(--pbna-panel)}
.pbna-voice p{font-size:14px;color:#d5dbe6}
.pbna-voice cite{display:block;margin-top:12px;font-style:normal;font-size:13px;color:var(--pbna-fire)}

/* 合作 */
.pbna-part{display:grid;gap:14px}
.pbna-part li{padding:18px;border:1px dashed #333d51;border-radius:var(--pbna-r);background:rgba(20,25,37,.7)}
.pbna-part h3{font-size:15px;margin-bottom:6px;color:var(--pbna-gold)}
.pbna-part p{font-size:13.5px;color:var(--pbna-fade)}

/* 保障 */
.pbna-guard{display:grid;gap:12px}
.pbna-guard li{padding:16px;border-radius:14px;background:var(--pbna-panel2);border:1px solid var(--pbna-line)}
.pbna-guard h3{font-size:14.5px;margin-bottom:5px}
.pbna-guard p{font-size:13.5px;color:var(--pbna-fade)}

/* 问答 */
.pbna-faq{display:grid;gap:12px}
.pbna-faq details{padding:0 16px;border:1px solid var(--pbna-line);border-radius:14px;background:var(--pbna-panel)}
.pbna-faq summary{display:flex;align-items:center;gap:10px;min-height:52px;font-size:15px;font-weight:600;cursor:pointer;list-style:none}
.pbna-faq summary::-webkit-details-marker{display:none}
.pbna-faq summary::after{content:"+";margin-left:auto;font-size:20px;line-height:1;color:var(--pbna-fire)}
.pbna-faq details[open] summary::after{content:"–"}
.pbna-faq details[open] summary{color:var(--pbna-gold)}
.pbna-faq p{padding:0 0 16px;font-size:14.5px;color:var(--pbna-fade)}

/* 收口 */
.pbna-cta{position:relative;padding:clamp(28px,6vw,58px);border-radius:22px;border:1px solid var(--pbna-line);text-align:center;overflow:hidden;background:linear-gradient(120deg,rgba(11,13,18,.88),rgba(11,13,18,.96)),url("/assets/images/backpic/back-6.webp") center/cover no-repeat}
.pbna-cta h2{font-size:clamp(21px,3.6vw,30px)}
.pbna-cta p{margin:12px auto 22px;max-width:600px;font-size:14.5px;color:var(--pbna-fade)}

/* 页脚 */
.pbna-foot{background:#080a0f;border-top:1px solid var(--pbna-line);padding:clamp(30px,5vw,54px) 0 0}
.pbna-foot-cols{display:grid;gap:26px}
.pbna-foot h3{font-size:14px;letter-spacing:.08em;color:#cfd6e3;margin-bottom:10px}
.pbna-foot-logo{font-size:16px;font-weight:700;color:var(--pbna-ink)}
.pbna-foot-brand p{margin-top:8px;max-width:330px;font-size:13.5px;color:var(--pbna-fade)}
.pbna-foot-nav a{display:inline-flex;align-items:center;min-height:44px;font-size:13.5px;color:var(--pbna-fade);transition:color .2s}
.pbna-foot-nav a:hover,.pbna-foot-nav a:focus-visible{color:var(--pbna-gold)}
.pbna-copy{margin-top:22px;padding:16px 0;border-top:1px solid var(--pbna-line);font-size:12.5px;color:#727c8d;text-align:center}

@media (min-width:520px){
  .pbna-cats{grid-template-columns:repeat(2,1fr)}
  .pbna-news{grid-template-columns:repeat(2,1fr)}
  .pbna-guard{grid-template-columns:repeat(2,1fr)}
  .pbna-foot-cols{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:768px){
  .pbna-hero-grid{grid-template-columns:1.1fr .9fr}
  .pbna-wall{grid-template-columns:repeat(3,1fr);gap:20px}
  .pbna-news{grid-template-columns:repeat(3,1fr)}
  .pbna-rank{grid-template-columns:repeat(2,1fr)}
  .pbna-high{grid-template-columns:repeat(2,1fr)}
  .pbna-spec{grid-template-columns:repeat(3,1fr)}
  .pbna-voice{grid-template-columns:repeat(3,1fr)}
  .pbna-part{grid-template-columns:repeat(3,1fr)}
  .pbna-sec-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:24px}
  .pbna-sec-head p{max-width:520px;text-align:right}
}
@media (min-width:1024px){
  .pbna-name{font-size:16px}
  .pbna-nav a{padding:0 14px}
  .pbna-cats{grid-template-columns:repeat(3,1fr)}
  .pbna-guard{grid-template-columns:repeat(4,1fr)}
  .pbna-foot-cols{grid-template-columns:1.4fr 1fr 1fr 1fr}
  .pbna-poster{max-width:340px;margin-inline:auto 0}
}