/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}
:root{
  --c-main:#E1253C;
  --c-deep:#B0162A;
  --c-dark:#14392F;
  --c-dark2:#0E2820;
  --c-bg:#FBF7F1;
  --c-w:#FFFFFF;
  --c-txt:#17161A;
  --c-sub:#6E6763;
  --c-line:#E6DED3;
  --r-sm:4px;
  --w-max:1240px;
  --sp-sec:96px;
  --ft-sans:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --ft-serif:'Songti SC','Noto Serif SC',serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ft-sans);font-size:15px;line-height:1.75;color:var(--c-txt);background:var(--c-bg)}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol,dl{margin:0;padding:0;list-style:none}
h1,h2,h3,p,figure,dt,dd{margin:0}
:focus-visible{outline:2px solid var(--c-main);outline-offset:3px}
.biqhknat-shell{width:100%;max-width:var(--w-max);margin:0 auto;padding:0 24px}

/* 顶部导航 */
.biqhknat-header{position:sticky;top:0;z-index:50;background:rgba(251,247,241,.95);border-bottom:1px solid var(--c-line)}
.biqhknat-header-in{display:flex;align-items:center;gap:26px;height:64px;position:relative}
.biqhknat-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.biqhknat-mark{position:relative;width:34px;height:34px;background:var(--c-main);border-radius:var(--r-sm);flex:0 0 auto}
.biqhknat-mark::before{content:"";position:absolute;left:9px;top:9px;width:16px;height:16px;background:#fff;border-radius:50% 50% 50% 0;transform:rotate(45deg)}
.biqhknat-name{font-size:17px;font-weight:800;letter-spacing:.02em}
.biqhknat-burger{position:absolute;opacity:0;pointer-events:none}
.biqhknat-burger-label{display:none;width:44px;height:44px;margin-left:auto;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;cursor:pointer}
.biqhknat-burger-label span{display:block;height:2px;background:var(--c-txt);border-radius:2px}
.biqhknat-nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:14px}
.biqhknat-nav a{position:relative;color:var(--c-sub);padding:6px 0;transition:color .3s}
.biqhknat-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-main);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.biqhknat-nav a:hover{color:var(--c-txt)}
.biqhknat-nav a:hover::after{transform:scaleX(1)}
.biqhknat-nav .biqhknat-nav-cta{display:inline-flex;align-items:center;min-height:40px;padding:8px 16px;border:1.5px solid var(--c-txt);border-radius:var(--r-sm);color:var(--c-txt);transition:background .3s,color .3s}
.biqhknat-nav .biqhknat-nav-cta::after{display:none}
.biqhknat-nav .biqhknat-nav-cta:hover{background:var(--c-txt);color:#fff}

/* 首屏 Bento */
.biqhknat-hero{padding:56px 0 72px}
.biqhknat-bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.biqhknat-hero-main{grid-column:span 7;display:flex;flex-direction:column;justify-content:center}
.biqhknat-kicker{font-size:12px;letter-spacing:.18em;color:var(--c-sub);text-transform:uppercase}
.biqhknat-hero h1{margin-top:14px;font-size:clamp(44px,6vw,84px);line-height:1.05;font-weight:800;letter-spacing:-.02em}
.biqhknat-hero h1 em{font-style:normal;color:var(--c-main);background:linear-gradient(transparent 64%,rgba(225,37,60,.16) 64%);padding:0 2px}
.biqhknat-hero-sub{margin-top:20px;font-size:17px;font-weight:600;color:var(--c-txt)}
.biqhknat-hero-txt{margin-top:12px;max-width:560px;color:var(--c-sub)}
.biqhknat-hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.biqhknat-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 24px;border-radius:var(--r-sm);font-size:15px;font-weight:600;transition:background .3s,color .3s,border-color .3s}
.biqhknat-btn-main{background:var(--c-main);color:#fff;border:1.5px solid var(--c-main)}
.biqhknat-btn-main::after{content:"→";margin-left:8px;transition:transform .3s}
.biqhknat-btn-main:hover{background:var(--c-deep);border-color:var(--c-deep)}
.biqhknat-btn-main:hover::after{transform:translateX(4px)}
.biqhknat-btn-ghost{background:transparent;color:var(--c-txt);border:1.5px solid var(--c-txt)}
.biqhknat-btn-ghost:hover{background:var(--c-txt);color:#fff}
.biqhknat-hero-poster{grid-column:span 5;position:relative;border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;aspect-ratio:3/4;background:var(--c-w)}
.biqhknat-hero-poster img{width:100%;height:100%;object-fit:cover}
.biqhknat-badge-pick{position:absolute;left:0;top:0;z-index:2;background:var(--c-main);color:#fff;font-size:11px;letter-spacing:.08em;padding:5px 12px;border-radius:0 0 4px 0}
.biqhknat-hero-mini{grid-column:span 6;padding:20px 22px;background:var(--c-w);border:1px solid var(--c-line);border-radius:var(--r-sm)}
.biqhknat-mini-t{font-size:15px;font-weight:700;padding-bottom:8px;border-bottom:1px solid var(--c-line)}
.biqhknat-hero-mini p{margin-top:10px;font-size:14px;color:var(--c-sub)}
.biqhknat-hero-bar{grid-column:span 12;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:18px 24px;background:var(--c-dark);color:rgba(255,255,255,.82);border-radius:var(--r-sm);font-size:14px}
.biqhknat-hero-bar a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px}

/* 通用板块 */
.biqhknat-sec{padding:var(--sp-sec) 0;border-top:1px solid var(--c-line);scroll-margin-top:88px}
.biqhknat-sec-alt{background:var(--c-w)}
.biqhknat-sec-dark{background:var(--c-dark);color:rgba(255,255,255,.78);border-top:0}
.biqhknat-h2{font-size:clamp(26px,3vw,40px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.biqhknat-sec-dark .biqhknat-h2{color:#fff}
.biqhknat-h2-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}
.biqhknat-lead{margin-top:12px;max-width:760px;color:var(--c-sub);font-size:15px}
.biqhknat-chip{display:inline-flex;align-items:center;min-height:26px;padding:3px 12px;border:1px solid var(--c-line);border-radius:999px;font-size:12px;letter-spacing:.08em;color:var(--c-sub);white-space:nowrap}
.biqhknat-sec-dark .biqhknat-chip{border-color:rgba(255,255,255,.24);color:rgba(255,255,255,.7)}

/* 找片困扰 */
.biqhknat-issues{margin-top:38px;counter-reset:biqhknat-i;border-top:1px solid var(--c-line)}
.biqhknat-issues li{counter-increment:biqhknat-i;display:grid;grid-template-columns:96px 1fr;align-items:center;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-line)}
.biqhknat-issues li::before{content:counter(biqhknat-i,decimal-leading-zero);font-family:var(--ft-serif);font-size:36px;line-height:1;color:var(--c-main)}
.biqhknat-issues li p{font-size:16px}

/* 频道总览 */
.biqhknat-channels{margin-top:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.biqhknat-channels li{padding:24px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-sm);transition:border-color .4s,transform .4s cubic-bezier(.2,.7,.2,1)}
.biqhknat-channels li:hover{border-color:var(--c-main);transform:translateY(-2px)}
.biqhknat-ch-name{display:inline-block;font-size:19px;font-weight:700;padding-bottom:6px;border-bottom:2px solid var(--c-main)}
.biqhknat-ch-text{margin-top:12px;font-size:14.5px;color:var(--c-sub)}
.biqhknat-ch-films{margin-top:12px;font-size:13px;color:var(--c-txt)}

/* 选片路线 */
.biqhknat-routes{margin-top:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.biqhknat-routes li{display:flex;flex-direction:column;gap:12px;padding:28px 24px 24px;background:var(--c-w);border:1px solid var(--c-line);border-radius:var(--r-sm);transition:border-color .4s,transform .4s cubic-bezier(.2,.7,.2,1)}
.biqhknat-routes li:hover{border-color:var(--c-main);transform:translateY(-2px)}
.biqhknat-route-num{font-family:var(--ft-serif);font-size:44px;line-height:1;color:var(--c-line)}
.biqhknat-routes h3{font-size:17px;font-weight:700}
.biqhknat-routes p{font-size:14px;color:var(--c-sub)}
.biqhknat-tags{margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-txt)!important}

/* 热播速览 */
.biqhknat-band{margin-top:38px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.biqhknat-band li{padding:16px 18px;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-sm);transition:border-color .3s,background .3s}
.biqhknat-band li:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.04)}
.biqhknat-band strong{display:block;font-size:16px;font-weight:600;color:#fff}
.biqhknat-band span{display:block;margin-top:6px;font-size:12.5px;letter-spacing:.06em;color:rgba(255,255,255,.6)}

/* 口碑短评 */
.biqhknat-words{margin-top:38px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.biqhknat-words li{padding:18px;background:var(--c-w);border:1px solid var(--c-line);border-radius:var(--r-sm);transition:border-color .4s,transform .4s cubic-bezier(.2,.7,.2,1)}
.biqhknat-words li:hover{border-color:var(--c-main);transform:translateY(-2px)}
.biqhknat-words img{width:64px;height:64px;object-fit:cover;border-radius:var(--r-sm)}
.biqhknat-word-name{margin-top:12px;font-size:15px;font-weight:600}
.biqhknat-word-score{display:inline-block;margin-top:4px;font-family:var(--ft-serif);font-size:15px;color:var(--c-main);font-weight:700}
.biqhknat-word-txt{margin-top:8px;font-size:13.5px;color:var(--c-sub)}

/* 观看场景 */
.biqhknat-scenes{margin-top:38px;display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.biqhknat-scenes li{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:24px;background:var(--c-w);border:1px solid var(--c-line);border-radius:var(--r-sm)}
.biqhknat-scene-tag{writing-mode:vertical-rl;letter-spacing:.24em;font-size:13px;font-weight:600;color:var(--c-main);border-left:2px solid var(--c-main);padding-left:10px;align-self:start}
.biqhknat-scenes p{font-size:14.5px;color:var(--c-sub)}
.biqhknat-scene-films{margin-top:8px;font-size:13.5px;color:var(--c-txt)}

/* 资讯速递 */
.biqhknat-news{margin-top:38px;border-top:1px solid var(--c-line)}
.biqhknat-news li{display:grid;grid-template-columns:180px 1fr auto;align-items:center;gap:20px;padding:16px 0;border-bottom:1px solid var(--c-line)}
.biqhknat-news img{width:180px;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm)}
.biqhknat-news h3{font-size:15.5px;font-weight:600}
.biqhknat-news time{font-size:12.5px;letter-spacing:.08em;color:var(--c-sub);white-space:nowrap}

/* 热播榜 */
.biqhknat-rank-wrap{margin-top:38px;display:grid;grid-template-columns:1.7fr 1fr;gap:36px;align-items:start}
.biqhknat-rank{counter-reset:biqhknat-rk}
.biqhknat-rank li{counter-increment:biqhknat-rk;display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:16px;padding:14px 10px;border-bottom:1px dashed var(--c-line);transition:background .3s}
.biqhknat-rank li:hover{background:#FFF3F0}
.biqhknat-rank li::before{content:counter(biqhknat-rk,decimal-leading-zero);font-family:var(--ft-serif);font-size:26px;line-height:1;color:var(--c-sub)}
.biqhknat-rank li:nth-child(-n+3)::before{color:var(--c-main)}
.biqhknat-rank-name{font-size:15.5px;font-weight:600}
.biqhknat-rank-cat{font-size:12.5px;letter-spacing:.08em;color:var(--c-sub);white-space:nowrap}
.biqhknat-rank-pic{border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;aspect-ratio:3/4;background:var(--c-w)}
.biqhknat-rank-pic img{width:100%;height:100%;object-fit:cover}

/* 卡片墙 */
.biqhknat-grid-5{margin-top:38px;display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.biqhknat-grid-3{margin-top:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.biqhknat-card{display:flex;flex-direction:column;background:var(--c-w);border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;transition:transform .4s cubic-bezier(.2,.7,.2,1),border-color .4s}
.biqhknat-card:hover{transform:translateY(-2px);border-color:var(--c-main)}
.biqhknat-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:#EFE8DE}
.biqhknat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.biqhknat-card:hover .biqhknat-cover img{transform:scale(1.03)}
.biqhknat-flag{position:absolute;left:0;top:0;z-index:2;background:var(--c-main);color:#fff;font-size:11px;letter-spacing:.06em;padding:3px 9px;border-radius:0 0 4px 0}
.biqhknat-score{position:absolute;right:0;bottom:0;z-index:2;background:rgba(251,247,241,.94);color:var(--c-txt);font-size:12px;font-weight:700;padding:2px 9px;border-radius:4px 0 0 0}
.biqhknat-card h3{padding:12px 14px 4px;font-size:15px;font-weight:600;line-height:1.4}
.biqhknat-card-note{padding:0 14px 14px;font-size:12.5px;color:var(--c-sub)}
.biqhknat-vcard .biqhknat-cover{aspect-ratio:16/9}
.biqhknat-vmeta{display:flex;flex-wrap:wrap;gap:10px;padding:0 14px 14px;font-size:12.5px;color:var(--c-sub)}
.biqhknat-vmeta span{padding:1px 8px;border:1px solid var(--c-line);border-radius:999px}

/* 主题片单 */
.biqhknat-topics{margin-top:38px;display:grid;gap:20px}
.biqhknat-topics li{display:grid;grid-template-columns:300px 1fr;align-items:center;gap:28px;background:var(--c-w);border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;transition:border-color .4s,transform .4s cubic-bezier(.2,.7,.2,1)}
.biqhknat-topics li:hover{border-color:var(--c-main);transform:translateY(-2px)}
.biqhknat-topics img{width:100%;aspect-ratio:16/9;object-fit:cover}
.biqhknat-topic-body{padding:22px 24px 22px 0}
.biqhknat-topic-body h3{font-family:var(--ft-serif);font-size:20px;font-weight:700}
.biqhknat-topic-body p{margin-top:8px;font-size:14px;color:var(--c-sub)}
.biqhknat-topic-count{display:inline-block;margin-top:12px;font-size:12px;letter-spacing:.08em;color:var(--c-main)}

/* 问答 */
.biqhknat-faq{margin-top:38px;display:grid;gap:20px;max-width:920px}
.biqhknat-faq dt{position:relative;padding-left:18px;font-size:17px;font-weight:700}
.biqhknat-faq dt::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;background:var(--c-main);border-radius:2px}
.biqhknat-faq dd{margin:8px 0 0 18px;font-size:14.5px;color:var(--c-sub)}

/* 收尾 */
.biqhknat-cta{padding:80px 0;background:var(--c-dark);color:rgba(255,255,255,.78);text-align:center;scroll-margin-top:88px}
.biqhknat-cta h2{color:#fff;font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25}
.biqhknat-cta p{margin-top:12px;font-size:15px}
.biqhknat-cta-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:28px}
.biqhknat-cta .biqhknat-btn-main{background:var(--c-main);border-color:var(--c-main);color:#fff}
.biqhknat-cta .biqhknat-btn-main:hover{background:var(--c-deep);border-color:var(--c-deep)}
.biqhknat-cta .biqhknat-btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.biqhknat-cta .biqhknat-btn-ghost:hover{background:#fff;color:var(--c-dark);border-color:#fff}

/* 页脚 */
.biqhknat-foot{background:var(--c-dark2);color:rgba(255,255,255,.66);padding:64px 0 26px;font-size:13.5px}
.biqhknat-foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.biqhknat-foot h3{margin-bottom:14px;font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em}
.biqhknat-foot li{margin-bottom:9px}
.biqhknat-foot a:hover{color:#fff}
.biqhknat-foot p{line-height:1.8}
.biqhknat-copy{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.44);letter-spacing:.04em}

@media (max-width:1024px){
  :root{--sp-sec:80px}
  .biqhknat-grid-5{grid-template-columns:repeat(4,1fr)}
  .biqhknat-channels{grid-template-columns:repeat(2,1fr)}
  .biqhknat-routes{grid-template-columns:1fr}
  .biqhknat-band{grid-template-columns:repeat(2,1fr)}
  .biqhknat-words{grid-template-columns:repeat(2,1fr)}
  .biqhknat-rank-wrap{grid-template-columns:1fr}
  .biqhknat-rank-pic{max-width:360px}
  .biqhknat-topics li{grid-template-columns:240px 1fr}
  .biqhknat-foot-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:768px){
  :root{--sp-sec:56px}
  .biqhknat-shell{padding:0 18px}
  .biqhknat-burger-label{display:flex}
  .biqhknat-nav{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;margin-left:0;padding:8px 18px 18px;background:var(--c-bg);border-bottom:1px solid var(--c-line);box-shadow:0 14px 26px rgba(23,22,26,.08)}
  .biqhknat-burger:checked ~ .biqhknat-nav{display:flex}
  .biqhknat-nav a{display:flex;align-items:center;min-height:44px;font-size:15px;border-bottom:1px solid var(--c-line)}
  .biqhknat-nav a::after{display:none}
  .biqhknat-nav .biqhknat-nav-cta{justify-content:center;margin-top:14px;border:1.5px solid var(--c-main);color:var(--c-main)}
  .biqhknat-hero{padding:36px 0 56px}
  .biqhknat-hero-main,.biqhknat-hero-poster,.biqhknat-hero-mini{grid-column:span 12}
  .biqhknat-hero-poster{max-width:340px;margin:0 auto}
  .biqhknat-hero h1{font-size:32px;line-height:1.12}
  .biqhknat-hero-sub{font-size:16px}
  .biqhknat-sec{scroll-margin-top:72px}
  .biqhknat-cta{scroll-margin-top:72px}
  .biqhknat-issues li{grid-template-columns:64px 1fr}
  .biqhknat-issues li::before{font-size:28px}
  .biqhknat-channels{grid-template-columns:1fr}
  .biqhknat-words{grid-template-columns:1fr}
  .biqhknat-scenes{grid-template-columns:1fr}
  .biqhknat-news li{grid-template-columns:120px 1fr;gap:14px}
  .biqhknat-news img{width:120px}
  .biqhknat-news time{grid-column:2;font-size:12px}
  .biqhknat-grid-5,.biqhknat-grid-3{grid-template-columns:repeat(2,1fr);gap:16px}
  .biqhknat-rank li{grid-template-columns:40px 1fr;row-gap:4px;padding:12px 6px}
  .biqhknat-rank li::before{font-size:20px}
  .biqhknat-rank-cat{grid-column:2}
  .biqhknat-topics li{grid-template-columns:1fr;gap:0}
  .biqhknat-topic-body{padding:18px 20px 20px}
  .biqhknat-foot-grid{grid-template-columns:1fr;gap:26px}
}

@media (max-width:520px){
  .biqhknat-hero h1{font-size:32px}
  .biqhknat-hero-btns .biqhknat-btn{width:100%}
  .biqhknat-band{grid-template-columns:1fr}
  .biqhknat-grid-5{grid-template-columns:repeat(2,1fr)}
  .biqhknat-cta-btns .biqhknat-btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}