:root{
    --bg:#0c0d12;
    --bg-soft:#14161f;
    --card:#1a1d28;
    --line:#2a2e3c;
    --text:#eceef6;
    --muted:#9aa1b5;
    --gold:#f5b64a;
    --gold-deep:#e08d1c;
    --red:#e0463c;
    --radius:14px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  .wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 18px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#211603;box-shadow:0 8px 22px rgba(240,160,40,.25);}
  .btn-ghost{background:rgba(255,255,255,.06);color:var(--text);border-color:var(--line);}
  .btn-ghost:hover{background:rgba(255,255,255,.12);}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(12,13,18,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(8px);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:62px;}
  .brand{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:700;letter-spacing:.5px;}
  .brand img{height:32px;width:auto;border-radius:8px;}
  .brand span{color:var(--gold);}
  .nav-links{display:none;gap:22px;font-size:14.5px;color:var(--muted);}
  .nav-links a:hover{color:var(--gold);}
  .nav-cta{display:none;}
  .menu-btn{
    display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
    width:40px;height:38px;border:1px solid var(--line);border-radius:10px;background:transparent;
  }
  .menu-btn i{display:block;height:2px;width:18px;margin:0 auto;background:var(--text);border-radius:2px;}
  .mobile-menu{display:none;border-top:1px solid var(--line);padding:10px 0 16px;}
  .mobile-menu.open{display:block;}
  .mobile-menu a{display:block;padding:10px 4px;font-size:15px;color:var(--muted);border-bottom:1px dashed rgba(255,255,255,.06);}
  .mobile-menu a:hover{color:var(--gold);}

  /* ---------- hero ---------- */
  .hero{position:relative;overflow:hidden;padding:46px 0 54px;background:radial-gradient(900px 420px at 78% -10%,rgba(245,182,74,.18),transparent 62%),radial-gradient(700px 400px at 8% 110%,rgba(224,70,60,.16),transparent 60%);}
  .hero-grid{display:grid;gap:34px;align-items:center;}
  .hero-tag{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--gold);border:1px solid rgba(245,182,74,.4);border-radius:999px;padding:4px 12px;margin-bottom:16px;}
  .hero h1{font-size:30px;line-height:1.35;font-weight:800;margin-bottom:14px;letter-spacing:.5px;}
  .hero h1 em{font-style:normal;color:var(--gold);}
  .hero p.lead{color:var(--muted);font-size:15.5px;margin-bottom:24px;max-width:520px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .hero-visual{position:relative;}
  .hero-main{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 60px rgba(0,0,0,.55);}
  .hero-main img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;}
  .hero-sub{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;}
  .hero-sub img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:12px;border:1px solid var(--line);}

  /* ---------- section base ---------- */
  section{padding:54px 0;}
  .sec-head{margin-bottom:28px;}
  .sec-head .eyebrow{font-size:12.5px;letter-spacing:2px;color:var(--gold);}
  .sec-head h2{font-size:24px;margin-top:6px;font-weight:800;letter-spacing:.5px;}
  .sec-head p{color:var(--muted);font-size:14.5px;margin-top:8px;max-width:640px;}

  /* ---------- features ---------- */
  .features{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .feat-grid{display:grid;grid-template-columns:1fr;gap:14px;}
  .feat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;transition:transform .2s ease,border-color .2s ease;}
  .feat-card:hover{transform:translateY(-3px);border-color:rgba(245,182,74,.45);}
  .feat-icon{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(245,182,74,.14);color:var(--gold);font-size:18px;margin-bottom:12px;font-weight:700;}
  .feat-card h3{font-size:16px;margin-bottom:6px;}
  .feat-card p{font-size:13.5px;color:var(--muted);}

  /* ---------- recommend ---------- */
  .rec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
  .rec-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease;}
  .rec-card:hover{transform:translateY(-4px);border-color:rgba(245,182,74,.45);}
  .rec-cover{position:relative;overflow:hidden;}
  .rec-cover img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .35s ease;}
  .rec-card:hover .rec-cover img{transform:scale(1.05);}
  .rec-badge{position:absolute;left:8px;top:8px;background:rgba(12,13,18,.78);color:var(--gold);font-size:11.5px;padding:2px 8px;border-radius:999px;border:1px solid rgba(245,182,74,.4);}
  .rec-body{padding:12px 12px 14px;display:flex;flex-direction:column;gap:6px;flex:1;}
  .rec-body h3{font-size:15px;line-height:1.4;}
  .rec-tags{display:flex;flex-wrap:wrap;gap:6px;}
  .rec-tags span{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 8px;}
  .rec-desc{font-size:12.5px;color:var(--muted);line-height:1.55;}
  .rec-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:12px;color:var(--muted);}
  .rec-foot .score{color:var(--gold);font-weight:700;}

  /* ---------- updates ---------- */
  .updates{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .update-list{display:flex;flex-direction:column;gap:10px;}
  .update-item{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;}
  .update-item img{width:52px;height:70px;object-fit:cover;border-radius:8px;flex:none;}
  .update-info{flex:1;min-width:0;}
  .update-info h3{font-size:14.5px;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .update-info p{font-size:12.5px;color:var(--muted);}
  .update-time{font-size:12px;color:var(--gold);white-space:nowrap;flex:none;}

  /* ---------- rank ---------- */
  .tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
  .tab-btn{background:transparent;border:1px solid var(--line);color:var(--muted);font-size:13.5px;padding:7px 16px;border-radius:999px;cursor:pointer;transition:all .18s ease;}
  .tab-btn.active{background:linear-gradient(135deg,var(--gold),var(--gold-deep));border-color:transparent;color:#211603;font-weight:700;}
  .rank-panel{display:none;}
  .rank-panel.active{display:block;}
  .rank-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:var(--card);margin-bottom:10px;}
  .rank-no{width:26px;height:26px;flex:none;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;background:rgba(255,255,255,.07);color:var(--muted);}
  .rank-row:nth-child(1) .rank-no{background:linear-gradient(135deg,#f5b64a,#e0463c);color:#1a1204;}
  .rank-row:nth-child(2) .rank-no{background:rgba(245,182,74,.35);color:#ffd98a;}
  .rank-row:nth-child(3) .rank-no{background:rgba(245,182,74,.2);color:#ffd98a;}
  .rank-row img{width:42px;height:56px;object-fit:cover;border-radius:7px;flex:none;}
  .rank-title{flex:1;min-width:0;font-size:14px;}
  .rank-title small{display:block;font-size:12px;color:var(--muted);}
  .rank-hot{font-size:12.5px;color:var(--gold);font-weight:700;white-space:nowrap;}

  /* ---------- comments ---------- */
  .comment-scroll{display:flex;gap:14px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
  .comment-card{flex:0 0 264px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;}
  .comment-head{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
  .avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#3a3f55,#20232f);color:var(--gold);font-size:14px;font-weight:700;flex:none;}
  .comment-name{font-size:14px;font-weight:600;}
  .stars{font-size:11px;color:var(--gold);letter-spacing:1px;}
  .comment-text{font-size:13px;color:#cfd4e2;line-height:1.65;}
  .comment-time{font-size:11.5px;color:#6f7689;margin-top:10px;}

  /* ---------- interact ---------- */
  .interact{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .interact-grid{display:grid;gap:18px;}
  .action-bar{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
  .action-btn{display:flex;align-items:center;gap:10px;padding:14px;border-radius:12px;background:var(--card);border:1px solid var(--line);font-size:14px;}
  .action-btn b{display:block;font-size:13.5px;}
  .action-btn small{font-size:11.5px;color:var(--muted);}
  .action-ico{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:rgba(245,182,74,.14);color:var(--gold);font-size:15px;flex:none;}
  .vote-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;}
  .vote-box h3{font-size:16px;margin-bottom:6px;}
  .vote-box p{font-size:13px;color:var(--muted);margin-bottom:14px;}
  .vote-btn{display:flex;justify-content:space-between;align-items:center;width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text);font-size:13.5px;margin-bottom:9px;cursor:pointer;transition:border-color .18s ease,background .18s ease;}
  .vote-btn:hover{border-color:rgba(245,182,74,.5);background:rgba(245,182,74,.08);}
  .vote-btn i{font-style:normal;color:var(--gold);font-weight:700;font-size:12.5px;}

  /* ---------- request ---------- */
  .req-grid{display:grid;gap:22px;}
  .form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;}
  .form-row{margin-bottom:14px;}
  .form-row label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
  .form-row input,.form-row textarea{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--line);background:#0f1119;color:var(--text);font-size:14px;font-family:inherit;outline:none;}
  .form-row input:focus,.form-row textarea:focus{border-color:rgba(245,182,74,.6);}
  .form-row textarea{resize:vertical;min-height:88px;}
  .req-list{display:flex;flex-direction:column;gap:10px;}
  .req-item{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:11px;padding:11px 13px;font-size:13.5px;}
  .req-item span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .req-item em{font-style:normal;font-size:12px;color:var(--gold);}

  /* ---------- faq ---------- */
  .faq-list{display:flex;flex-direction:column;gap:10px;}
  .faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;}
  .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:15px 16px;background:transparent;border:none;color:var(--text);font-size:14.5px;font-weight:600;text-align:left;cursor:pointer;font-family:inherit;}
  .faq-q i{font-style:normal;color:var(--gold);font-size:18px;transition:transform .2s ease;flex:none;}
  .faq-item.open .faq-q i{transform:rotate(45deg);}
  .faq-a{MAX-height:0;overflow:hidden;transition:max-height .26s ease;}
  .faq-a p{padding:0 16px 16px;font-size:13.5px;color:var(--muted);line-height:1.7;}

  /* ---------- footer ---------- */
  .site-footer{border-top:1px solid var(--line);padding:30px 0 26px;background:#0a0b10;}
  .foot-inner{display:flex;flex-direction:column;gap:14px;}
  .foot-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;}
  .foot-brand img{height:24px;border-radius:6px;}
  .foot-note{font-size:12px;color:#6f7689;line-height:1.8;}
  .foot-links{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12px;color:#6f7689;}
  .foot-links a:hover{color:var(--gold);}
  .foot-meta{font-size:11.5px;color:#5b6274;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;}
  .foot-meta a{color:#7b8294;}
  .foot-meta a:hover{color:var(--gold);}

  /* ---------- ios modal ---------- */
  .ios-modal{position:fixed;inset:0;z-index:99;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(5,6,10,.72);}
  .ios-modal.show{display:flex;}
  .ios-box{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 20px;}
  .ios-box p{font-size:13.5px;color:var(--gold);margin-bottom:14px;line-height:1.6;}
  .ios-url{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:#0f1119;color:var(--text);font-size:13px;margin-bottom:14px;word-break:break-all;}
  .ios-actions{display:flex;gap:10px;}
  .ios-actions .btn{flex:1;padding:10px 12px;font-size:13.5px;}

  /* ---------- responsive ---------- */
  @media (min-width:768px){
    .hero{padding:60px 0 70px;}
    .hero h1{font-size:40px;}
    .hero p.lead{font-size:16.5px;}
    .feat-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
    .rec-grid{grid-template-columns:repeat(3,1fr);}
    .action-bar{grid-template-columns:repeat(4,1fr);}
    .interact-grid{grid-template-columns:1.2fr 1fr;}
    .req-grid{grid-template-columns:1.05fr .95fr;}
    section{padding:66px 0;}
    .sec-head h2{font-size:28px;}
  }
  @media (min-width:1024px){
    .nav-links{display:flex;}
    .nav-cta{display:inline-flex;}
    .menu-btn{display:none;}
    .hero-grid{grid-template-columns:1.1fr .9fr;gap:52px;}
    .hero h1{font-size:46px;}
    .feat-grid{grid-template-columns:repeat(3,1fr);}
    .rec-grid{grid-template-columns:repeat(4,1fr);}
    .update-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
    .req-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
    .foot-inner{flex-direction:row;justify-content:space-between;align-items:flex-start;}
  }