:root{
    --bg:#f4f7ff; --card:#ffffff; --ink:#1a2340; --muted:#6b7a99;
    --blue:#4f7cff; --violet:#8b5cf6; --cyan:#22d3ee; --amber:#ffb03a; --pink:#ff5ca8;
    --line:#e3e9fb; --shadow:0 18px 44px rgba(79,124,255,.14);
  }
  *,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh}h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  ul,ol{list-style:none}

  /* 顶栏：grid 三区布局 */
  .site-head{position:sticky;top:0;z-index:80;background:rgba(244,247,255,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
  .site-head__inner{max-width:1160px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;height:66px;gap:16px}
  .site-logo{display:flex;align-items:center;gap:9px;font-size:21px;font-weight:800}
  .site-logo i{width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,var(--blue),var(--violet));box-shadow:0 0 0 4px rgba(79,124,255,.16)}
  .site-logo b{background:linear-gradient(90deg,var(--blue),var(--violet),var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
  .site-nav{display:none}
  .site-nav ul{display:flex;gap:4px}
  .site-nav a{display:block;padding:8px 15px;border-radius:20px;color:var(--muted);font-size:15px;transition:.25s}
  .site-nav a.on,.site-nav a:hover{color:#fff;background:linear-gradient(90deg,var(--blue),var(--violet))}
  .site-nav a.on{box-shadow:0 8px 20px rgba(79,124,255,.28)}
  .site-burger{display:flex;flex-direction:column;gap:5px;padding:8px;cursor:pointer;background:none;border:0}
  .site-burger span{width:23px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
  .site-burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .site-burger.on span:nth-child(2){opacity:0}
  .site-burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  @media(min-width:820px){
    .site-nav{display:block}
    .site-burger{display:none}
  }
  .site-nav.open{display:block;position:absolute;left:0;right:0;top:66px;background:var(--card);border-bottom:1px solid var(--line)}
  .site-nav.open ul{flex-direction:column;padding:10px 20px 16px}

  main{max-width:1160px;margin:0 auto;padding:0 20px}

  /* 首屏：grid-template-areas */
  .hero{display:grid;grid-template-columns:1fr;gap:30px;padding:52px 0 46px;align-items:center}
  .hero__tag{display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:20px;background:rgba(79,124,255,.1);border:1px solid rgba(79,124,255,.28);color:var(--blue);font-size:13px;margin-bottom:18px}
  .hero__tag i{width:7px;height:7px;border-radius:50%;background:var(--blue);animation:blink 1.5s infinite}
  @keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
  .hero h1{font-size:clamp(29px,5vw,46px);line-height:1.28;font-weight:900;margin-bottom:16px}
  .hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--blue),var(--violet),var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
  .hero__sub{color:var(--muted);font-size:16px;max-width:560px;margin-bottom:28px}
  .hero__sub b{color:var(--ink)}
  .hero__btns{display:flex;gap:14px;flex-wrap:wrap}
  .btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:28px;font-size:15px;font-weight:600;cursor:pointer;transition:.25s;border:1px solid transparent}
  .btn--solid{background:linear-gradient(90deg,var(--blue),var(--violet));color:#fff;box-shadow:0 12px 30px rgba(79,124,255,.32)}
  .btn--solid:hover{transform:translateY(-2px)}
  .btn--ghost{border-color:var(--line);color:var(--muted);background:var(--card)}
  .btn--ghost:hover{border-color:var(--blue);color:var(--blue)}
  .hero__media{position:relative}
  .hero__media figure{position:relative;border-radius:26px;overflow:hidden;border:1px solid #fff;box-shadow:var(--shadow);background:var(--card);padding:9px}
  .hero__media img{width:100%;height:400px;object-fit:cover;border-radius:19px}
  .hero__badge{position:absolute;right:20px;top:20px;background:rgba(255,92,168,.94);color:#fff;font-size:12px;font-weight:700;padding:3px 11px;border-radius:12px}
  .hero__tip{position:absolute;left:-14px;top:40px;background:var(--card);border-radius:16px;padding:11px 16px;box-shadow:var(--shadow);font-size:13px}
  .hero__tip b{color:var(--violet)}
  @media(min-width:860px){
    .hero{grid-template-columns:1.05fr .95fr;grid-template-areas:"copy media";gap:52px}
    .hero__copy{grid-area:copy}
    .hero__media{grid-area:media}
    .hero__media img{height:460px}
  }

  /* 通用 section */
  .sec{padding:48px 0}
  .sec__hd{text-align:center;margin-bottom:34px}
  .sec__ey{color:var(--violet);font-size:12px;letter-spacing:5px;margin-bottom:8px}
  .sec__hd h2{font-size:clamp(24px,3.4vw,31px);font-weight:800}
  .sec__hd p{color:var(--muted);max-width:640px;margin:12px auto 0}

  /* 热门直播间 */
  .rooms{display:grid;grid-template-columns:1fr;gap:16px}
  .rooms figure{position:relative;border-radius:22px;overflow:hidden;background:var(--card);box-shadow:var(--shadow);border:1px solid var(--line);transition:.3s}
  .rooms figure:hover{transform:translateY(-6px)}
  .rooms img{width:100%;height:250px;object-fit:cover}
  .rooms .flag{position:absolute;top:12px;left:12px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:12px;color:#fff}
  .rooms .flag--live{background:var(--pink)}
  .rooms .flag--hot{background:var(--amber);color:#6b4300}
  .rooms .num{position:absolute;bottom:12px;right:13px;color:#fff;font-size:12px;background:rgba(0,0,0,.35);padding:2px 9px;border-radius:12px}
  .rooms figcaption{padding:14px 16px;display:flex;align-items:center;gap:11px}
  .rooms figcaption img{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid #fff;flex:none}
  .rooms figcaption h3{font-size:15px}
  .rooms figcaption p{color:var(--muted);font-size:12px}
  @media(min-width:560px){.rooms{grid-template-columns:repeat(2,1fr)}}
  @media(min-width:980px){.rooms{grid-template-columns:repeat(4,1fr)}}

  /* 才艺主播 */
  .anchors{display:grid;grid-template-columns:1fr;gap:16px}
  .anchor{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px 20px;text-align:center;box-shadow:var(--shadow);transition:.3s}
  .anchor:hover{transform:translateY(-6px)}
  .anchor img{width:88px;height:88px;border-radius:50%;object-fit:cover;margin:0 auto 12px;border:3px solid #fff;box-shadow:0 8px 22px rgba(139,92,246,.24)}
  .anchor h3{font-size:16px;margin-bottom:3px}
  .anchor p{color:var(--muted);font-size:13px;margin-bottom:14px}
  .anchor span{display:inline-block;padding:7px 22px;border:1px solid var(--violet);color:var(--violet);font-size:13px;border-radius:20px}
  @media(min-width:560px){.anchors{grid-template-columns:repeat(2,1fr)}}
  @media(min-width:980px){.anchors{grid-template-columns:repeat(4,1fr)}}

  /* 在线观看 */
  .watch{display:grid;grid-template-columns:1fr;gap:14px}
  .watch li{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 20px;box-shadow:var(--shadow)}
  .watch li i{font-style:normal;flex:none;width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px}
  .watch h3{font-size:17px;margin-bottom:3px}
  .watch p{color:var(--muted);font-size:14px}
  @media(min-width:760px){.watch{grid-template-columns:1fr 1fr}}

  /* 主播榜单 */
  .rank{max-width:600px;margin:0 auto}
  .rank li{display:flex;align-items:center;gap:14px;padding:13px 18px;background:var(--card);border:1px solid var(--line);border-radius:18px;margin-bottom:12px;box-shadow:var(--shadow)}
  .rank .no{width:30px;height:30px;border-radius:10px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;color:var(--muted);flex:none}
  .rank li:first-child .no{background:linear-gradient(135deg,var(--amber),var(--pink));color:#fff}
  .rank img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid #fff}
  .rank .nm{flex:1;font-weight:600}
  .rank .fans{color:var(--muted);font-size:13px}

  /* 口碑 / 为什么 */
  .cards{display:grid;grid-template-columns:1fr;gap:16px}
  .cards blockquote{margin:0;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
  .cards .stars{color:var(--amber);font-size:14px;margin-bottom:10px}
  .cards p{color:var(--ink);font-size:14px;margin-bottom:12px}
  .cards footer{color:var(--muted);font-size:12px;font-style:normal}
  @media(min-width:760px){.cards{grid-template-columns:repeat(3,1fr)}}

  /* CTA */
  .cta{text-align:center;background:linear-gradient(135deg,#4f7cff,#8b5cf6);border-radius:26px;padding:50px 30px;margin:16px 0 52px;color:#fff;box-shadow:0 20px 50px rgba(139,92,246,.3)}
  .cta h2{font-size:28px;font-weight:800;margin-bottom:10px}
  .cta p{margin-bottom:24px;opacity:.95;max-width:620px;margin-left:auto;margin-right:auto}
  .cta .btn--ghost{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.14)}
  .cta .btn--solid{background:#fff;color:var(--violet);box-shadow:none}

  /* 页脚：品牌横幅 + 三列 */
  .site-foot{background:var(--card);border-top:1px solid var(--line);margin-top:20px}
  .site-foot__banner{border-bottom:1px solid var(--line);background:linear-gradient(135deg,rgba(79,124,255,.06),rgba(139,92,246,.06))}
  .site-foot__banner-in{max-width:1160px;margin:0 auto;padding:36px 20px;display:flex;flex-direction:column;gap:18px}
  .site-foot__brand p{color:var(--muted);font-size:13px;line-height:1.8;margin-top:12px;max-width:640px}
  .site-foot__app{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
  .site-foot__app span{color:var(--ink);font-size:14px;font-weight:600}
  .site-foot__inner{max-width:1160px;margin:0 auto;padding:36px 20px 8px;display:grid;grid-template-columns:1fr;gap:26px}
  .site-foot h4{font-size:15px;font-weight:700;margin-bottom:14px}
  .site-foot ul li{margin-bottom:8px}
  .site-foot ul a{color:var(--muted);font-size:13px;transition:.2s}
  .site-foot ul a:hover{color:var(--blue)}
  .site-foot .tags{display:flex;flex-wrap:wrap;gap:8px}
  .site-foot .tags a{font-size:12px;padding:5px 13px;border-radius:16px;border:1px solid var(--line);color:var(--muted);transition:.2s}
  .site-foot .tags a:hover{color:#fff;background:var(--blue);border-color:var(--blue)}
  .site-foot__copy{border-top:1px solid var(--line);max-width:1160px;margin:0 auto;padding:18px 20px 24px;display:flex;flex-direction:column;gap:4px;align-items:flex-start}
  .site-foot__copy p{color:var(--muted);font-size:13px}
  .site-foot__copy p b{color:var(--ink)}
  .site-foot__copy .note{font-size:11px;color:#b8c2d9}
  @media(min-width:760px){
    .site-foot__banner-in{flex-direction:row;justify-content:space-between;align-items:center}
    .site-foot__inner{grid-template-columns:1fr 1fr 1.4fr}
    .site-foot__copy{flex-direction:row;justify-content:space-between;align-items:center}
  }

  /* 滚动显现 */
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
  .reveal.in{opacity:1;transform:none}