:root{
  --bg:#0a0c10;
  --bg-2:#0f1218;
  --card:#141821;
  --line:rgba(255,255,255,.07);
  --tx:#f4f6f8;
  --tx-2:#98a2b3;
  --tx-3:#5f6b7d;
  --lime:#c9f24e;
  --lime-2:#a8d92f;
  --lime-dim:rgba(201,242,78,.14);
  --r:14px;
  --maxw:1280px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--tx);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:inherit;text-decoration:none}
img{display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ===== NAV ===== */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,12,16,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;gap:40px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.5px;flex-shrink:0}
.logo-mark{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--lime),var(--lime-2));position:relative}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:4px;background:var(--bg);opacity:.85}
/* LimeShort 站点 logo 图(替代原 CSS 方块) */
.logo-img{height:44px;width:auto;display:block;flex:none}
.logo em{font-style:normal;color:var(--tx-3);font-weight:400;font-size:12px;margin-left:2px;letter-spacing:2px}
.nav-links{display:flex;gap:6px}
.nav-links a{padding:8px 14px;font-size:14.5px;color:var(--tx-2);border-radius:8px;transition:.2s}
.nav-links a:hover{color:var(--tx);background:rgba(255,255,255,.05)}
.nav-links a.on{color:var(--tx);background:var(--lime-dim);font-weight:600}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:999px;padding:8px 16px;width:220px;transition:.2s}
.search:focus-within{border-color:rgba(201,242,78,.4);background:rgba(255,255,255,.08)}
.search input{background:none;border:none;outline:none;color:var(--tx);font-size:13.5px;width:100%}
.search input::placeholder{color:var(--tx-3)}
.search svg{flex-shrink:0;opacity:.5}
.btn-app{background:linear-gradient(135deg,var(--lime),var(--lime-2));color:#101408;font-size:14px;font-weight:600;padding:9px 20px;border-radius:999px;transition:.2s;white-space:nowrap}
.btn-app:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(201,242,78,.3)}

/* ===== HERO ===== */
.hero{position:relative;height:66vh;min-height:480px;overflow:hidden;margin-top:64px}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.hero-slide.on{opacity:1}
.hero-slide .bg{position:absolute;inset:0;background-size:cover;background-position:center 30%;transform:scale(1.02)}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--bg) 0%,rgba(10,12,16,.86) 30%,rgba(10,12,16,.25) 65%,rgba(10,12,16,.55) 100%)}
.hero-slide::before{content:"";position:absolute;left:0;right:0;bottom:0;height:160px;background:linear-gradient(transparent,var(--bg));z-index:1}
.hero-content{position:absolute;z-index:2;left:0;right:0;bottom:88px}
.hero-tag{display:inline-flex;align-items:center;gap:6px;background:var(--lime-dim);border:1px solid rgba(201,242,78,.35);color:var(--lime);font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;margin-bottom:18px}
.hero-title{font-size:44px;font-weight:800;letter-spacing:1px;line-height:1.25;text-shadow:0 2px 24px rgba(0,0,0,.5);max-width:560px}
.hero-meta{display:flex;align-items:center;gap:16px;margin-top:16px;font-size:14px;color:var(--tx-2)}
.hero-meta .score{color:var(--lime);font-weight:700;font-size:16px}
.hero-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--tx-3)}
.hero-tags{display:flex;gap:8px;margin-top:14px}
.hero-tags span{font-size:12.5px;color:var(--tx-2);border:1px solid var(--line);padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.03)}
.hero-cta{display:flex;gap:14px;margin-top:28px}
.btn-play{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--lime),var(--lime-2));color:#101408;font-size:15.5px;font-weight:700;padding:13px 34px;border-radius:999px;transition:.2s}
.btn-play:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(201,242,78,.35)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--tx);font-size:15px;font-weight:500;padding:13px 28px;border-radius:999px;backdrop-filter:blur(8px);transition:.2s}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-dots{position:absolute;z-index:3;right:32px;bottom:40px;display:flex;gap:8px}
.hero-dots i{width:8px;height:8px;border-radius:99px;background:rgba(255,255,255,.25);cursor:pointer;transition:.3s}
.hero-dots i.on{width:26px;background:var(--lime)}

/* ===== SECTIONS ===== */
.sec{padding:52px 0 8px}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:26px}
.sec-title{font-size:24px;font-weight:800;letter-spacing:.5px;position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:linear-gradient(var(--lime),var(--lime-2))}
.sec-sub{font-size:13.5px;color:var(--tx-3)}
.sec-more{margin-left:auto;font-size:13.5px;color:var(--tx-3);transition:.2s}
.sec-more:hover{color:var(--lime)}

/* ===== CHANNEL TABS ===== */
.tabs{display:flex;gap:4px;margin-bottom:30px;border-bottom:1px solid var(--line);padding-bottom:0}
.tab{padding:11px 22px;font-size:15.5px;color:var(--tx-2);cursor:pointer;position:relative;transition:.2s;font-weight:500}
.tab:hover{color:var(--tx)}
.tab.on{color:var(--tx);font-weight:700}
.tab.on::after{content:"";position:absolute;left:22px;right:22px;bottom:-1px;height:2.5px;border-radius:2px;background:linear-gradient(90deg,var(--lime),var(--lime-2))}

/* ===== CARDS ===== */
.grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px}
.card{cursor:pointer;position:relative}
.card{min-width:0}
.card .cover{position:relative;aspect-ratio:9/16;border-radius:var(--r);overflow:hidden;background:var(--card);border:1px solid var(--line);transition:.25s}
.card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .cover{transform:translateY(-4px);border-color:rgba(201,242,78,.35);box-shadow:0 14px 40px rgba(0,0,0,.5)}
.card:hover .cover img{transform:scale(1.05)}
.card .rank{position:absolute;top:8px;left:8px;z-index:2;font-size:20px;font-weight:800;font-style:italic;letter-spacing:.5px;text-shadow:0 2px 10px rgba(0,0,0,.7);color:rgba(255,255,255,.75);line-height:1}
.card:nth-child(1) .rank{color:var(--lime)}
.card:nth-child(2) .rank{color:#e8f7b0}
.card:nth-child(3) .rank{color:#d9c9a8}
.card .free{position:absolute;bottom:8px;right:8px;z-index:2;background:rgba(10,12,16,.78);backdrop-filter:blur(6px);border:1px solid var(--line);color:var(--lime);font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:999px}
.card .play-badge{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;opacity:0;background:rgba(10,12,16,.35);transition:.25s}
.card:hover .play-badge{opacity:1}
.card .cover.noimg::after{content:"▶";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:30px;color:rgba(255,255,255,.3);background:linear-gradient(160deg,#1b2231,#0e1219);z-index:1}
.play-badge i{width:48px;height:48px;border-radius:50%;background:rgba(201,242,78,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(201,242,78,.4)}
.play-badge i::after{content:"";border-left:14px solid #101408;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.card h3{font-size:14.5px;font-weight:600;margin-top:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card p{font-size:12.5px;color:var(--tx-3);margin-top:3px;display:flex;gap:8px}
.card p b{color:var(--tx-2);font-weight:500}

/* ===== DOWNLOAD BAND ===== */
.dl{margin:64px 0 0;border-radius:20px;background:linear-gradient(120deg,#101507 0%,#0f1218 55%);border:1px solid rgba(201,242,78,.22);position:relative;overflow:hidden}
.dl::before{content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(201,242,78,.16),transparent 65%)}
.dl-inner{max-width:var(--maxw);margin:0 auto;padding:52px 32px;display:flex;align-items:center;gap:56px}
.dl-copy{flex:1}
.dl-copy h2{font-size:30px;font-weight:800;letter-spacing:.5px}
.dl-copy h2 em{font-style:normal;color:var(--lime)}
.dl-copy p{color:var(--tx-2);font-size:15px;margin-top:12px;max-width:480px}
.dl-perks{display:flex;gap:26px;margin-top:24px}
.dl-perks div{font-size:13.5px;color:var(--tx-2);display:flex;align-items:center;gap:8px}
.dl-perks svg{color:var(--lime)}
.dl-box{display:flex;align-items:center;gap:28px}
.qr{width:148px;height:148px;border-radius:16px;background:#fff;padding:12px;position:relative}
.qr::after{content:"";position:absolute;inset:12px;background:
  repeating-linear-gradient(0deg,#101408 0 8px,transparent 8px 16px),
  repeating-linear-gradient(90deg,#101408 0 8px,transparent 8px 16px);
  opacity:.85;border-radius:4px}
.qr span{position:absolute;left:0;right:0;bottom:-30px;text-align:center;font-size:12.5px;color:var(--tx-3)}
.dl-btns{display:flex;flex-direction:column;gap:12px}
.dl-btns a{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.06);border:1px solid var(--line);padding:11px 24px;border-radius:12px;font-size:14.5px;font-weight:600;transition:.2s}
.dl-btns a:hover{border-color:rgba(201,242,78,.4);background:var(--lime-dim)}
.dl-btns small{display:block;font-size:11.5px;color:var(--tx-3);font-weight:400}

/* ===== FOOTER ===== */
footer{margin-top:72px;border-top:1px solid var(--line);background:var(--bg-2)}
.foot{max-width:var(--maxw);margin:0 auto;padding:46px 32px 42px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;font-size:13.5px;color:var(--tx-2)}
.foot a{color:var(--tx-2);text-decoration:none}
.foot a:hover{color:var(--tx)}
.f-name{display:inline-block;font-size:34px;font-weight:800;letter-spacing:-.5px;line-height:1.1;color:var(--tx)}
.f-copy{margin-top:12px;font-size:12.5px;color:var(--tx-3);line-height:1.6}
.f-soc{display:flex;gap:12px;margin-top:20px}
.f-soc a{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--tx-2);transition:.2s}
.f-soc a:hover{color:var(--tx);border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.06)}
.f-col h4,.f-dl h4{font-size:12px;font-weight:700;letter-spacing:1.3px;text-transform:uppercase;color:var(--tx-3);margin:2px 0 16px}
.f-col a{display:block;margin-bottom:13px;font-size:14px;color:var(--tx-2)}
.f-note{font-size:12.5px;color:var(--tx-3);line-height:1.65;margin-top:2px}
.f-qr{width:126px;height:126px;background:#fff;border-radius:10px;padding:7px;display:flex;align-items:center;justify-content:center}
.f-qr img{width:100%;height:100%;display:block}
.f-dl p{margin-top:11px;font-size:12.5px;color:var(--tx-3);line-height:1.55;max-width:170px}

/* ===== 侧边悬浮按钮(下载 / 回顶部) ===== */
.side-fabs{position:fixed;right:18px;bottom:96px;z-index:60;display:flex;flex-direction:column;gap:12px}
.sfab{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(20,24,33,.92);color:var(--tx-2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.sfab:hover{color:var(--lime);border-color:rgba(201,242,78,.45)}
.sfab:active{transform:scale(.95)}

/* ===== 「更多影片」按钮 ===== */
.more-wrap{display:flex;justify-content:center;margin:36px 0 4px}
.more-btn{display:inline-block;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--tx-2);font-size:15px;font-weight:600;padding:14px 46px;border-radius:999px;transition:.2s}
.more-btn:hover{color:var(--tx);background:rgba(255,255,255,.11)}

/* ===== RESPONSIVE ===== */
@media(max-width:1100px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}.hero-title{font-size:34px}}
@media(max-width:760px){
  .grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .search{display:none}
  .nav-inner{gap:14px;padding:0 16px}
  .wrap{padding:0 20px}
  .hero{height:52vh;min-height:360px}
  .hero-title{font-size:26px}
  .hero-content{bottom:64px}
  .dl-inner{flex-direction:column;text-align:center;padding:40px 24px;gap:36px}
  .dl-perks{justify-content:center;flex-wrap:wrap}
  .foot{flex-direction:column;align-items:flex-start;gap:14px}
}
@media(max-width:480px){
  .logo em{display:none}
  .logo{font-size:16px;gap:7px}
  .logo-mark{width:22px;height:22px;border-radius:7px}
  .logo-img{height:34px}
  .logo-mark::after{inset:6px;border-radius:3px}
  .nav-inner{gap:8px;padding:0 12px}
  .nav-links{gap:0}
  .nav-links a{padding:6px 8px;font-size:12.5px}
  .btn-app{padding:7px 12px;font-size:12.5px}
}
/* ===== LANGUAGE ===== */
.lang-btn{position:relative}
.lang-toggle{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:999px;padding:8px 13px;font-size:12.5px;font-weight:600;color:var(--tx-2);cursor:pointer;transition:.2s;letter-spacing:1px}
.lang-toggle:hover{color:var(--tx);border-color:rgba(201,242,78,.35)}
.lang-toggle svg{opacity:.55;flex-shrink:0}
.lang-panel{position:absolute;top:calc(100% + 10px);right:0;width:200px;max-height:400px;overflow-y:auto;background:#12161f;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 48px rgba(0,0,0,.55);padding:6px;display:none;z-index:200}
.lang-panel.open{display:block}
.lang-panel button{display:flex;width:100%;align-items:center;justify-content:space-between;gap:8px;background:none;border:none;color:var(--tx-2);font-size:13.5px;padding:9px 12px;border-radius:9px;cursor:pointer;text-align:start;white-space:nowrap}
.lang-panel button:hover{background:rgba(255,255,255,.06);color:var(--tx)}
.lang-panel button.on{color:var(--lime);background:var(--lime-dim);font-weight:600}
.lang-panel .ck{opacity:0;flex-shrink:0}
.lang-panel button.on .ck{opacity:1}
[dir="rtl"] .hero-slide::after{background:linear-gradient(270deg,var(--bg) 0%,rgba(10,12,16,.86) 30%,rgba(10,12,16,.25) 65%,rgba(10,12,16,.55) 100%)}
[dir="rtl"] .hero-content .wrap{text-align:right}
[dir="rtl"] .hero-dots{right:auto;left:20px}
[dir="rtl"] .sec-title{padding-left:0;padding-right:16px}
[dir="rtl"] .sec-title::before{left:auto;right:0}
[dir="rtl"] .sec-more{margin-left:0;margin-right:auto}
[dir="rtl"] .card h3,[dir="rtl"] .card p{text-align:right}

/* ===== 页脚响应式 ===== */
@media(max-width:980px){
  .foot{grid-template-columns:1fr 1fr;gap:30px}
  .f-dl{grid-column:span 2}
}
@media(max-width:620px){
  .foot{grid-template-columns:1fr;padding:34px 20px 32px}
  .f-dl{grid-column:auto}
  .f-name{font-size:26px}
  .side-fabs{right:12px;bottom:86px}
  .sfab{width:42px;height:42px}
  .more-btn{padding:13px 36px;font-size:14px}
}