:root{
    --bg:#07090f;
    --bg-soft:#0d1220;
    --panel:rgba(255,255,255,.055);
    --panel-line:rgba(255,255,255,.09);
    --text:#eef2f8;
    --text-dim:#9aa6bb;
    --accent:#ff3d2e;
    --accent-2:#ff8a2b;
    --glow:rgba(255,61,46,.45);
    --radius:18px;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:
      radial-gradient(1100px 620px at 12% -8%, rgba(255,61,46,.16), transparent 62%),
      radial-gradient(900px 520px at 92% 4%, rgba(46,90,255,.16), transparent 60%),
      var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
    line-height:1.6;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(7,9,15,.72);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--panel-line);
  }
  .header-inner{
    display:flex;align-items:center;gap:18px;
    height:66px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand img{height:34px;width:auto;border-radius:9px;}
  .brand-name{font-size:17px;font-weight:700;letter-spacing:.5px;white-space:nowrap;}
  .search-box{
    flex:1;max-width:380px;display:flex;align-items:center;gap:8px;
    background:var(--panel);
    border:1px solid var(--panel-line);
    border-radius:999px;
    padding:8px 16px;
    color:var(--text-dim);
    font-size:14px;
  }
  .search-box .dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--accent);
    box-shadow:0 0 10px var(--glow);
    flex-shrink:0;
  }
  .search-box span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .main-nav{
    display:flex;gap:4px;margin-left:auto;
    overflow-x:auto;scrollbar-width:none;
  }
  .main-nav::-webkit-scrollbar{display:none;}
  .main-nav a{
    font-size:14px;color:var(--text-dim);
    padding:8px 13px;border-radius:999px;
    white-space:nowrap;transition:color .2s,background .2s;
  }
  .main-nav a:hover,.main-nav a.is-active{
    color:#fff;background:rgba(255,61,46,.18);
  }
  .header-cta{
    flex-shrink:0;
    padding:9px 18px;border-radius:999px;
    font-size:14px;font-weight:600;
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    color:#fff;
    box-shadow:0 6px 22px var(--glow);
  }

  /* ---------- hero banner ---------- */
  .hero{padding:34px 0 18px;}
  .hero-grid{
    display:grid;
    grid-template-columns:1.35fr 1fr;
    gap:18px;
  }
  .banner{
    position:relative;
    border-radius:26px;
    overflow:hidden;
    min-height:420px;
    display:flex;align-items:flex-end;
    border:1px solid var(--panel-line);
    background:var(--bg-soft);
  }
  .banner img{
    position:absolute;inset:0;
    width:100%;height:100%;object-fit:cover;object-position:center 22%;
  }
  .banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,9,15,.15) 0%,rgba(7,9,15,.55) 52%,rgba(7,9,15,.96) 100%);
  }
  .banner-body{
    position:relative;z-index:2;
    padding:34px 34px 32px;
    max-width:560px;
  }
  .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
  .tag{
    font-size:12px;letter-spacing:.4px;
    padding:4px 11px;border-radius:999px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.18);
    color:#fff;
  }
  .tag-hot{
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    border:none;
    box-shadow:0 0 16px var(--glow);
  }
  .banner-body h1{
    font-size:clamp(22px,2.6vw,32px);
    line-height:1.3;
    font-weight:800;
    letter-spacing:.5px;
    text-shadow:0 3px 24px rgba(0,0,0,.6);
  }
  .banner-body p{
    margin-top:10px;font-size:14.5px;color:#cfd7e6;
  }
  .banner-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap;}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:11px 24px;border-radius:999px;
    font-size:14.5px;font-weight:600;
    transition:transform .2s,box-shadow .2s;
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    color:#fff;box-shadow:0 8px 26px var(--glow);
  }
  .btn-ghost{
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.2);
    color:#fff;
  }
  .btn:hover{transform:translateY(-2px);}
  .banner-side{
    display:grid;grid-template-rows:1fr 1fr;gap:18px;
  }
  .side-card{
    position:relative;border-radius:22px;overflow:hidden;
    border:1px solid var(--panel-line);
    min-height:200px;display:flex;align-items:flex-end;
    background:var(--bg-soft);
  }
  .side-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
  .side-card::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 30%,rgba(7,9,15,.92) 100%);
  }
  .side-card-body{position:relative;z-index:2;padding:18px 20px;}
  .side-card-body h3{font-size:16px;font-weight:700;}
  .side-card-body span{font-size:12.5px;color:var(--text-dim);}

  /* ---------- section head ---------- */
  .section{padding:44px 0 0;}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:16px;margin-bottom:20px;flex-wrap:wrap;
  }
  .section-head h2{
    font-size:clamp(19px,2.1vw,24px);
    font-weight:800;letter-spacing:.5px;
    display:flex;align-items:center;gap:10px;
  }
  .section-head h2::before{
    content:"";width:5px;height:20px;border-radius:3px;
    background:linear-gradient(180deg,var(--accent),var(--accent-2));
    box-shadow:0 0 14px var(--glow);
  }
  .section-head p{font-size:13.5px;color:var(--text-dim);}

  /* ---------- filter chips ---------- */
  .chip-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:22px;}
  .chip{
    font-size:13px;padding:7px 16px;border-radius:999px;
    background:var(--panel);
    border:1px solid var(--panel-line);
    color:var(--text-dim);
    cursor:pointer;
    transition:all .2s;
  }
  .chip:hover,.chip.on{
    color:#fff;
    border-color:rgba(255,61,46,.55);
    background:rgba(255,61,46,.16);
    box-shadow:0 0 16px rgba(255,61,46,.2);
  }

  /* ---------- poster grid ---------- */
  .poster-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
  }
  .poster{
    position:relative;
    border-radius:var(--radius);
    overflow:hidden;
    background:var(--bg-soft);
    border:1px solid var(--panel-line);
    transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .poster:hover{
    transform:translateY(-5px);
    border-color:rgba(255,61,46,.45);
    box-shadow:0 18px 40px rgba(0,0,0,.55),0 0 26px rgba(255,61,46,.18);
  }
  .poster-media{position:relative;aspect-ratio:3/4;overflow:hidden;background:#11162a;}
  .poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
  .poster:hover .poster-media img{transform:scale(1.05);}
  .poster-badge{
    position:absolute;top:10px;left:10px;
    font-size:11.5px;padding:3px 9px;border-radius:6px;
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    color:#fff;font-weight:600;
    box-shadow:0 4px 14px var(--glow);
  }
  .poster-score{
    position:absolute;top:10px;right:10px;
    font-size:11.5px;padding:3px 9px;border-radius:6px;
    background:rgba(0,0,0,.55);
    backdrop-filter:blur(6px);
    color:#ffd66b;font-weight:700;
  }
  .poster-body{padding:12px 13px 14px;}
  .poster-body h3{
    font-size:14.5px;font-weight:700;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    margin-bottom:6px;
  }
  .poster-meta{
    display:flex;justify-content:space-between;
    font-size:12px;color:var(--text-dim);
    gap:8px;
  }
  .poster-meta b{color:#ffb08a;font-weight:600;}

  /* ---------- ranking strip ---------- */
  .rank-layout{
    display:grid;grid-template-columns:1.15fr .85fr;gap:22px;
    align-items:start;
  }
  .rank-panel{
    background:var(--panel);
    border:1px solid var(--panel-line);
    border-radius:22px;
    padding:18px 20px;
    backdrop-filter:blur(12px);
  }
  .rank-item{
    display:flex;align-items:center;gap:14px;
    padding:11px 0;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .rank-item:last-child{border-bottom:none;}
  .rank-no{
    width:26px;height:26px;flex-shrink:0;
    display:grid;place-items:center;
    border-radius:8px;
    font-size:13px;font-weight:800;
    background:rgba(255,255,255,.08);
    color:var(--text-dim);
  }
  .rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#ff3d2e,#ff8a2b);color:#fff;box-shadow:0 0 14px var(--glow);}
  .rank-item:nth-child(2) .rank-no{background:rgba(255,138,43,.28);color:#ffc58a;}
  .rank-item:nth-child(3) .rank-no{background:rgba(255,61,46,.2);color:#ff9c8f;}
  .rank-thumb{
    width:44px;height:58px;border-radius:9px;overflow:hidden;flex-shrink:0;
    background:#11162a;
  }
  .rank-thumb img{width:100%;height:100%;object-fit:cover;}
  .rank-info{flex:1;min-width:0;}
  .rank-info h3{
    font-size:14px;font-weight:600;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .rank-info span{font-size:12px;color:var(--text-dim);}
  .rank-heat{
    font-size:12.5px;font-weight:700;color:#ff8a5c;white-space:nowrap;
  }
  .topic-card{
    position:relative;border-radius:22px;overflow:hidden;
    border:1px solid var(--panel-line);
    min-height:100%;
    display:flex;flex-direction:column;
    background:var(--bg-soft);
  }
  .topic-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .topic-card-body{padding:18px 20px 22px;}
  .topic-card-body h3{font-size:17px;font-weight:700;margin-bottom:8px;}
  .topic-card-body p{font-size:13.5px;color:var(--text-dim);}
  .topic-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
  .topic-links span{
    font-size:12px;padding:5px 12px;border-radius:999px;
    background:rgba(255,255,255,.07);
    border:1px solid var(--panel-line);
    color:#c8d2e2;
  }

  /* ---------- screenshot wall ---------- */
  .wall{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:14px;
  }
  .wall figure{
    border-radius:14px;overflow:hidden;
    border:1px solid var(--panel-line);
    background:var(--bg-soft);
    transition:transform .25s,box-shadow .25s;
  }
  .wall figure:hover{
    transform:translateY(-4px) scale(1.02);
    box-shadow:0 14px 32px rgba(0,0,0,.5),0 0 18px rgba(255,61,46,.16);
  }
  .wall img{width:100%;aspect-ratio:3/4;object-fit:cover;}

  /* ---------- how to get ---------- */
  .steps{
    display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  }
  .step{
    background:var(--panel);
    border:1px solid var(--panel-line);
    border-radius:20px;
    padding:24px 22px;
    backdrop-filter:blur(10px);
    position:relative;
    overflow:hidden;
  }
  .step::before{
    content:"";position:absolute;top:-40px;right:-40px;
    width:120px;height:120px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,61,46,.28),transparent 70%);
  }
  .step-no{
    font-size:13px;font-weight:800;letter-spacing:1px;
    color:var(--accent-2);margin-bottom:10px;
  }
  .step h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
  .step p{font-size:13.5px;color:var(--text-dim);}

  .download-band{
    margin-top:26px;
    border-radius:24px;
    padding:30px 28px;
    border:1px solid rgba(255,61,46,.35);
    background:
      radial-gradient(600px 240px at 10% 0%, rgba(255,61,46,.28), transparent 65%),
      linear-gradient(135deg,rgba(255,61,46,.14),rgba(46,90,255,.12));
    display:flex;align-items:center;justify-content:space-between;
    gap:22px;flex-wrap:wrap;
  }
  .download-band h2{
    font-size:clamp(18px,2vw,23px);font-weight:800;margin-bottom:6px;
  }
  .download-band p{font-size:13.5px;color:#c9d3e4;}

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:56px;
    border-top:1px solid var(--panel-line);
    background:rgba(9,11,18,.9);
    padding:30px 0 34px;
  }
  .footer-top{
    display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
    padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.05);
  }
  .footer-brand{display:flex;align-items:center;gap:9px;font-size:14px;color:#c2cbdb;}
  .footer-brand img{height:26px;border-radius:7px;}
  .footer-links{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-dim);}
  .footer-links a:hover{color:#fff;}
  .footer-bottom{
    margin-top:18px;
    font-size:12px;color:#6f7b8f;
    display:flex;flex-direction:column;gap:8px;
  }
  .footer-bottom a{color:#7d8899;}
  .footer-bottom a:hover{color:#b9c4d4;}
  .update-time{font-size:12px;color:#5f6a7d;}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;}
    .banner-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
    .poster-grid{grid-template-columns:repeat(3,1fr);}
    .rank-layout{grid-template-columns:1fr;}
    .wall{grid-template-columns:repeat(4,1fr);}
    .steps{grid-template-columns:1fr;}
    .search-box{max-width:220px;}
  }
  @media (max-width:768px){
    .header-inner{height:auto;flex-wrap:wrap;padding:12px 0;gap:12px;}
    .brand img{height:30px;}
    .search-box{order:3;flex:1 1 100%;max-width:none;}
    .main-nav{order:4;flex:1 1 100%;margin-left:0;}
    .header-cta{order:2;}
    .banner{min-height:360px;}
    .banner-body{padding:24px 20px;}
    .banner-side{grid-template-columns:1fr;}
    .poster-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
    .wall{grid-template-columns:repeat(3,1fr);gap:10px;}
    .download-band{padding:24px 20px;}
    .rank-panel{padding:14px 16px;}
    .footer-top{flex-direction:column;gap:14px;}
  }