:root{--bg:#08131f;--surface:#0d1f30;--ink:#e6f4ff;--primary:#0e7cc4;--accent:#2dd4bf;--muted:#7fa3bd;--line:#16324a;--radius:8px;}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:'Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,select{font:inherit}
.wrap{width:min(100% - 1.6rem,1180px);margin-inline:auto}
/* header */
.site-header{position:sticky;top:0;z-index:60;background:#08131f;border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:1rem;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:.6rem;flex-shrink:0;min-width:0}
.brand-mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(145deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-weight:800}
.brand-text{font-weight:800;font-size:1.02rem;line-height:1.1}
.brand-text small{display:block;font-weight:500;font-size:.72rem;color:var(--muted)}
.nav{display:none;align-items:center;gap:1rem}
.nav a{font-weight:650;color:var(--ink);opacity:.85}.nav a:hover,.nav a.is-active{color:var(--primary);opacity:1}
.search{margin-left:auto;display:none;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.search input{flex:1;border:0;outline:0;background:transparent;padding:.55rem .6rem;min-width:0}
.search button{border:0;background:var(--primary);color:#fff;padding:0 16px;min-height:38px;font-weight:700;cursor:pointer}
.burger{margin-left:auto;width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:8px;display:grid;place-content:center;gap:5px;cursor:pointer}
.burger span{display:block;width:16px;height:2px;background:var(--ink)}
.drawer{display:none;border-top:1px solid var(--line);background:var(--surface)}
.drawer.is-open{display:block}.drawer-inner{padding:1rem 0 1.4rem;display:grid;gap:.7rem}
.drawer-inner>a{font-weight:700}.drawer-label{font-size:12px;letter-spacing:.08em;color:var(--muted);font-weight:700;margin:.2rem 0 0}
.drawer-cats{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.drawer-cats a{padding:.55rem .7rem;background:var(--bg);border-radius:8px;font-weight:600;font-size:.875rem}
.drawer-search{display:flex;gap:8px}.drawer-search input{flex:1;border:1px solid var(--line);border-radius:8px;padding:.6rem .7rem}.drawer-search button{border:0;background:var(--primary);color:#fff;border-radius:8px;padding:.7rem 1rem;font-weight:700;cursor:pointer}
/* hero */
.hero{position:relative;height:clamp(360px,60vh,500px);overflow:hidden;background:#000;color:#fff}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .5s;display:flex;align-items:flex-end}
.hero-slide.is-active{opacity:1}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(0,0,0,.9) 0%,rgba(0,0,0,.5) 55%,rgba(0,0,0,.2) 100%)}
.hero-inner{position:relative;z-index:1;padding:2rem 0;max-width:36rem}
.hero-badge{display:inline-block;margin:0 0 .6rem;padding:.2rem .6rem;border-radius:999px;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700}
.hero h1{margin:0 0 .6rem;font-size:clamp(1.8rem,5vw,2.8rem);font-weight:800}
.hero p{margin:0 0 1.1rem;color:rgba(255,255,255,.85);line-height:1.6;max-width:30rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.hero-dots{position:absolute;right:1rem;bottom:1rem;z-index:2;display:flex;gap:6px}
.hero-dots button{width:8px;height:8px;border-radius:999px;border:0;background:rgba(255,255,255,.5);cursor:pointer}
.hero-dots button.is-active{background:#fff}
/* section */
.block{padding:clamp(1.7rem,4vw,2.5rem) 0}
.block-alt{background:var(--surface)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.1rem}
.section-head .sub{display:block;font-size:.78rem;color:var(--accent);font-weight:700;margin-bottom:.25rem}
.section-head h2{margin:0;font-size:clamp(1.25rem,3vw,1.6rem);font-weight:800;letter-spacing:-.02em}
.section-head .more{color:var(--primary);font-weight:750;font-size:.9rem;white-space:nowrap}
.section-head .more:hover{text-decoration:underline}
/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.15s}
.card:hover{border-color:var(--accent)}
.card-cover{position:relative;display:block;aspect-ratio:2/3;background:var(--primary);overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:.3s}.card:hover .card-cover img{transform:scale(1.05)}
.card-score{position:absolute;top:8px;left:8px;padding:.18rem .42rem;background:rgba(0,0,0,.75);color:#fff;border-radius:6px;font-weight:800;font-size:.75rem}
.card-body{padding:.8rem .85rem 1rem}
.card-body h3{margin:0;font-size:.95rem;font-weight:750;line-height:1.4}
.card-body h3 a:hover{color:var(--primary)}
.card-desc{margin:.35rem 0 0;color:var(--muted);font-size:.8rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;flex-wrap:wrap;gap:.4rem .7rem;margin-top:.5rem;font-size:.75rem;color:var(--muted)}
.card-meta a{color:var(--primary);font-weight:750}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem .85rem}
/* banner + filter */
.banner{background:linear-gradient(120deg,var(--primary),var(--accent));color:#fff;padding:clamp(1.5rem,4vw,2.2rem) 0}
.banner h1{margin:0 0 .3rem;font-size:clamp(1.5rem,4vw,2.1rem);font-weight:800}
.banner p{margin:0;opacity:.9}
.crumb{display:flex;gap:.4rem;margin-bottom:.6rem;font-size:.85rem;opacity:.85}.crumb a:hover{opacity:1}
.lib-search{margin-bottom:1rem}.lib-search input{width:100%;min-height:44px;padding:0 1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);outline:0}
.filters{display:flex;gap:.5rem;overflow-x:auto;margin-bottom:1rem;padding-bottom:2px}
.filters a{flex:0 0 auto;padding:.4rem .85rem;background:var(--surface);border:1px solid var(--line);border-radius:999px;font-weight:700;font-size:.85rem;white-space:nowrap}
.filters a.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:1rem;font-size:.88rem;color:var(--muted)}
.toolbar strong{color:var(--ink)}.toolbar select{min-height:36px;margin-left:6px;padding:0 .7rem;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);cursor:pointer}
.empty{text-align:center;padding:3rem 1rem;color:var(--muted);grid-column:1/-1}
/* detail + play */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.1rem}
.panel h1{margin:0 0 .7rem;font-size:clamp(1.2rem,3vw,1.5rem);font-weight:800;line-height:1.3}
.panel h2{margin:0 0 .8rem;font-size:1.02rem;font-weight:800}
.meta{display:flex;flex-wrap:wrap;gap:.6rem 1rem;margin-bottom:.9rem;font-size:.88rem;color:var(--muted)}
.meta a{padding:.15rem .5rem;background:var(--bg);color:var(--primary);border-radius:999px;font-weight:750}
.desc{margin:0 0 .8rem;line-height:1.7;color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:.4rem}.tags span{padding:.25rem .55rem;background:var(--bg);border-radius:999px;font-size:.78rem;color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:.6rem;margin:.9rem 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 1.2rem;border-radius:999px;font-weight:750;font-size:.92rem;border:0;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}.btn-outline{background:var(--surface);color:var(--ink);border:1.5px solid var(--line)}
.btn-primary:hover{background:var(--accent)}
/* player */
.stage{background:#0a0c12;padding:1rem 0}
.player{width:min(100%,920px);margin:.5rem auto 0;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden}
.player video{width:100%;height:100%;object-fit:contain;display:block}
.stage-tip{text-align:center;color:#fff;font-size:.85rem;font-weight:650;margin:0;padding:.4rem}
.play-layout{display:grid;gap:1.1rem;padding:1.4rem 0 2.5rem}
/* footer */
.site-footer{background:#050c14;color:#9dbcd4}
.footer-grid{display:grid;gap:1.6rem;padding:2.3rem 0 1.7rem}
.footer-logo{font-weight:800;font-size:1.15rem;color:#9dbcd4;margin:0 0 .4rem}
.footer-lead{margin:0;max-width:28rem;line-height:1.65;font-size:.9rem}
.site-footer h3{margin:0 0 .6rem;color:#9dbcd4;font-size:.95rem}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.4rem}.site-footer ul a{opacity:.85}.site-footer ul a:hover{opacity:1;color:#2dd4bf}
.footer-bottom{border-top:1px solid rgba(128,128,128,.25)}
.footer-bottom .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem;padding:1.1rem 0;font-size:.8rem;opacity:.8}
.footer-bottom p{margin:0}
@media(min-width:720px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
@media(min-width:960px){.nav,.search{display:flex}.burger,.drawer{display:none}.grid{grid-template-columns:repeat(4,minmax(0,1fr))}.play-layout{grid-template-columns:minmax(0,1.7fr) minmax(260px,.9fr)}}