/* roulang page: index */
:root{
      --bg:#f7f5ff;
      --bg-soft:#fffaf3;
      --surface:#ffffff;
      --surface-dark:#17142f;
      --surface-ink:#211d3f;
      --primary:#7c3aed;
      --primary-dark:#5b21b6;
      --primary-soft:#ede7ff;
      --accent:#ff8a3d;
      --accent-2:#10b981;
      --cyan:#14b8a6;
      --text:#201b34;
      --muted:#6d6882;
      --muted-2:#8d87a3;
      --line:#e7e1f5;
      --line-dark:rgba(255,255,255,.14);
      --danger:#ef4444;
      --success:#16a34a;
      --warning:#f59e0b;
      --shadow-sm:0 10px 28px rgba(35,28,74,.08);
      --shadow-md:0 18px 50px rgba(35,28,74,.14);
      --shadow-lg:0 30px 90px rgba(45,29,99,.22);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --radius-xl:42px;
      --container:1180px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 8% 3%, rgba(124,58,237,.16), transparent 32%),
        radial-gradient(circle at 92% 10%, rgba(255,138,61,.18), transparent 28%),
        linear-gradient(180deg,#fbf9ff 0%,#f7f5ff 42%,#fffaf3 100%);
      line-height:1.65;
      min-height:100vh;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;background:none;cursor:pointer}
    ul,ol{list-style:none}
    ::selection{background:rgba(124,58,237,.2);color:var(--primary-dark)}
    .container{width:min(100% - 40px,var(--container));margin-inline:auto}
    .skip-link{
      position:absolute;left:14px;top:-60px;
      background:var(--surface-dark);color:#fff;
      padding:10px 14px;border-radius:10px;
      z-index:1000;transition:.2s ease;
    }
    .skip-link:focus{top:14px;outline:3px solid rgba(255,138,61,.45)}
    .site-header{
      position:sticky;top:0;z-index:100;
      backdrop-filter:blur(18px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(231,225,245,.82);
      box-shadow:0 8px 30px rgba(33,29,63,.05);
    }
    .topbar{
      background:linear-gradient(90deg,#17142f,#241a46 55%,#3b235d);
      color:rgba(255,255,255,.86);
      font-size:13px;
    }
    .topbar-inner{
      height:38px;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
    }
    .topbar strong{color:#fff;font-weight:700}
    .topbar .top-actions{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .top-pill{
      display:inline-flex;align-items:center;gap:7px;
      padding:5px 10px;border:1px solid rgba(255,255,255,.14);
      border-radius:999px;background:rgba(255,255,255,.08);
    }
    .top-dot{width:7px;height:7px;border-radius:999px;background:var(--accent-2);box-shadow:0 0 0 4px rgba(16,185,129,.14)}
    .navbar{
      min-height:74px;
      display:flex;align-items:center;justify-content:space-between;gap:22px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
      font-weight:900;letter-spacing:-.02em;
    }
    .brand-mark{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;font-size:18px;font-weight:900;
      background:
        linear-gradient(135deg,rgba(255,255,255,.22),transparent 45%),
        linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 15px 28px rgba(124,58,237,.28);
      flex:0 0 auto;
    }
    .brand-name{
      font-size:18px;line-height:1.2;
      overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
      max-width:330px;
    }
    .nav-right{display:flex;align-items:center;gap:18px}
    .main-nav{display:flex;align-items:center;gap:8px}
    .main-nav a{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:42px;padding:0 16px;
      border-radius:999px;color:var(--muted);
      font-weight:700;transition:.22s ease;
    }
    .main-nav a:hover{color:var(--primary-dark);background:var(--primary-soft)}
    .main-nav a.active{
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 12px 26px rgba(124,58,237,.22);
    }
    .nav-cta{
      display:inline-flex;align-items:center;gap:9px;
      height:44px;padding:0 18px;border-radius:999px;
      color:#fff;font-weight:800;
      background:linear-gradient(135deg,var(--accent),#ff6b35);
      box-shadow:0 14px 28px rgba(255,138,61,.24);
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,138,61,.32)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;
      background:var(--primary-soft);color:var(--primary-dark);
      align-items:center;justify-content:center;flex-direction:column;gap:5px;
    }
    .menu-toggle span{width:20px;height:2px;background:currentColor;border-radius:999px;transition:.2s ease}
    .menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle.active span:nth-child(2){opacity:0}
    .menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    main{position:relative}
    .section{padding:82px 0}
    .section.compact{padding:58px 0}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
      margin-bottom:32px;
    }
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--primary-dark);font-weight:900;
      background:rgba(124,58,237,.1);
      border:1px solid rgba(124,58,237,.15);
      padding:7px 12px;border-radius:999px;
      margin-bottom:12px;font-size:14px;
    }
    .section-title{
      font-size:clamp(26px,3.2vw,42px);
      line-height:1.15;letter-spacing:-.04em;
      color:var(--surface-ink);
    }
    .section-desc{
      max-width:640px;color:var(--muted);
      font-size:16px;margin-top:13px;
    }
    .section-action{
      flex:0 0 auto;
      display:inline-flex;align-items:center;gap:9px;
      color:var(--primary-dark);font-weight:900;
      padding:12px 16px;border-radius:999px;
      background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);transition:.22s ease;
    }
    .section-action:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(124,58,237,.28)}
    .btn-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 20px;border-radius:999px;
      font-weight:900;border:1px solid transparent;
      transition:.22s ease;white-space:nowrap;
    }
    .btn:focus-visible,.main-nav a:focus-visible,.nav-cta:focus-visible,.section-action:focus-visible,input:focus-visible{
      outline:3px solid rgba(255,138,61,.35);outline-offset:3px;
    }
    .btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 16px 32px rgba(124,58,237,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 46px rgba(124,58,237,.34)}
    .btn-accent{color:#fff;background:linear-gradient(135deg,var(--accent),#ff6b35);box-shadow:0 16px 32px rgba(255,138,61,.25)}
    .btn-accent:hover{transform:translateY(-2px);box-shadow:0 22px 46px rgba(255,138,61,.34)}
    .btn-ghost{color:var(--surface-ink);background:rgba(255,255,255,.82);border-color:var(--line);box-shadow:var(--shadow-sm)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(124,58,237,.24);box-shadow:var(--shadow-md)}
    .badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;border-radius:999px;
      background:var(--primary-soft);color:var(--primary-dark);
      font-size:13px;font-weight:900;
    }
    .badge.orange{background:rgba(255,138,61,.14);color:#b84a14}
    .badge.green{background:rgba(16,185,129,.13);color:#047857}
    .badge.dark{background:rgba(23,20,47,.08);color:var(--surface-ink)}
    .hero{
      padding:58px 0 72px;
      position:relative;overflow:hidden;
    }
    .hero:before{
      content:"";position:absolute;inset:26px auto auto 50%;
      width:820px;height:350px;transform:translateX(-50%);
      background:radial-gradient(closest-side,rgba(124,58,237,.18),transparent 72%);
      pointer-events:none;
    }
    .hero-shell{
      position:relative;
      border:1px solid rgba(255,255,255,.8);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(255,255,255,.82),rgba(255,255,255,.62)),
        linear-gradient(135deg,rgba(124,58,237,.1),rgba(255,138,61,.08));
      box-shadow:var(--shadow-lg);
      padding:32px;
      overflow:hidden;
    }
    .hero-shell:after{
      content:"";position:absolute;right:-120px;top:-140px;
      width:320px;height:320px;border-radius:50%;
      background:linear-gradient(135deg,rgba(255,138,61,.34),rgba(124,58,237,.18));
      filter:blur(6px);opacity:.9;
    }
    .hero-grid{
      position:relative;z-index:1;
      display:grid;
      grid-template-columns:minmax(220px,280px) minmax(360px,1fr) minmax(260px,320px);
      gap:24px;align-items:center;
    }
    .value-rail{display:grid;gap:14px}
    .value-card{
      background:rgba(255,255,255,.8);
      border:1px solid rgba(231,225,245,.9);
      border-radius:22px;
      padding:18px;
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .value-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
    .value-icon{
      width:40px;height:40px;border-radius:14px;
      display:grid;place-items:center;margin-bottom:10px;
      background:linear-gradient(135deg,var(--primary-soft),#fff2e8);
      color:var(--primary-dark);font-weight:900;
    }
    .value-card h3{font-size:16px;margin-bottom:5px;color:var(--surface-ink)}
    .value-card p{font-size:14px;color:var(--muted);line-height:1.55}
    .stage{
      min-height:500px;
      display:flex;align-items:center;justify-content:center;
      position:relative;
    }
    .stage-orbit{
      position:absolute;inset:18px;border-radius:50%;
      background:radial-gradient(circle,rgba(255,255,255,.78) 0 42%,rgba(124,58,237,.08) 43% 44%,transparent 45%);
      border:1px dashed rgba(124,58,237,.18);
      transform:rotate(-8deg);
    }
    .screen-card{
      width:min(100%,520px);
      border-radius:32px;
      background:linear-gradient(180deg,#211c43,#14122b);
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 34px 80px rgba(23,20,47,.32);
      overflow:hidden;
      transform:rotate(-1.2deg);
      position:relative;
    }
    .screen-top{
      height:48px;display:flex;align-items:center;justify-content:space-between;
      padding:0 18px;border-bottom:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.05);
    }
    .dots{display:flex;gap:7px}
    .dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.3)}
    .dots i:nth-child(1){background:#ff6b6b}.dots i:nth-child(2){background:#fbbf24}.dots i:nth-child(3){background:#34d399}
    .screen-label{font-size:13px;color:rgba(255,255,255,.68);font-weight:800}
    .screen-body{padding:28px}
    .hero h1{
      font-size:clamp(30px,4.5vw,56px);
      line-height:1.06;letter-spacing:-.055em;
      margin:16px 0 16px;
    }
    .hero-lead{
      color:rgba(255,255,255,.78);
      font-size:17px;
      max-width:560px;
      margin-bottom:22px;
    }
    .notice-strip{
      display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;
    }
    .notice-strip span{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 11px;border-radius:999px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.82);
      font-size:13px;font-weight:800;
    }
    .screen-panel{
      margin-top:24px;
      display:grid;grid-template-columns:1.15fr .85fr;gap:14px;
    }
    .panel-box{
      border-radius:22px;padding:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .panel-box strong{display:block;font-size:24px;line-height:1;color:#fff;margin-bottom:7px}
    .panel-box small{color:rgba(255,255,255,.66)}
    .hero-side{
      display:grid;gap:16px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(231,225,245,.9);
      border-radius:28px;
      padding:22px;
      box-shadow:var(--shadow-md);
    }
    .hero-side h2{font-size:20px;line-height:1.25;color:var(--surface-ink)}
    .hero-side p{color:var(--muted);font-size:14px}
    .quick-list{display:grid;gap:10px}
    .quick-list li{
      display:flex;align-items:flex-start;gap:10px;
      padding:12px;border-radius:16px;background:#faf8ff;
      border:1px solid rgba(231,225,245,.78);
      color:var(--muted);font-size:14px;
    }
    .check{
      width:20px;height:20px;border-radius:50%;flex:0 0 auto;
      display:grid;place-items:center;
      background:rgba(16,185,129,.14);color:#047857;font-size:12px;font-weight:900;
      margin-top:1px;
    }
    .age-card{
      display:flex;align-items:center;gap:12px;
      border-radius:18px;padding:13px;
      background:linear-gradient(135deg,rgba(239,68,68,.09),rgba(255,138,61,.11));
      border:1px solid rgba(239,68,68,.18);
    }
    .age-card b{
      width:44px;height:44px;border-radius:16px;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,#ef4444,#ff8a3d);
      flex:0 0 auto;font-size:14px;
    }
    .age-card span{font-size:13px;color:#7f1d1d;font-weight:800;line-height:1.45}
    .category-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
    }
    .entry-card{
      position:relative;overflow:hidden;
      min-height:180px;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-sm);
      transition:.24s ease;
    }
    .entry-card:before{
      content:"";position:absolute;right:-34px;top:-34px;
      width:100px;height:100px;border-radius:32px;
      background:linear-gradient(135deg,rgba(124,58,237,.16),rgba(255,138,61,.14));
      transform:rotate(18deg);
    }
    .entry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(124,58,237,.25)}
    .entry-card .num{color:var(--muted-2);font-weight:900;font-size:13px}
    .entry-card h3{font-size:20px;margin:18px 0 8px;color:var(--surface-ink)}
    .entry-card p{color:var(--muted);font-size:14px}
    .topic-wrap{
      display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch;
    }
    .topic-feature{
      border-radius:var(--radius-xl);
      padding:34px;
      min-height:360px;
      background:
        linear-gradient(135deg,rgba(23,20,47,.92),rgba(45,32,85,.92)),
        radial-gradient(circle at top right,rgba(255,138,61,.35),transparent 42%);
      color:#fff;
      box-shadow:var(--shadow-lg);
      position:relative;overflow:hidden;
    }
    .topic-feature:after{
      content:"";position:absolute;right:20px;bottom:20px;
      width:160px;height:160px;border-radius:42px;
      background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.02));
      transform:rotate(-10deg);
    }
    .topic-feature h3{font-size:32px;line-height:1.18;margin:18px 0 14px;position:relative;z-index:1}
    .topic-feature p{color:rgba(255,255,255,.75);max-width:520px;position:relative;z-index:1}
    .mini-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;position:relative;z-index:1}
    .mini-stat{
      min-width:128px;padding:14px 16px;border-radius:18px;
      background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
    }
    .mini-stat b{display:block;font-size:24px;line-height:1;margin-bottom:5px}
    .mini-stat span{color:rgba(255,255,255,.66);font-size:13px}
    .topic-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .topic-card{
      background:#fff;border:1px solid var(--line);border-radius:26px;
      padding:22px;box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .topic-card h3{font-size:18px;margin:12px 0 8px;color:var(--surface-ink)}
    .topic-card p{font-size:14px;color:var(--muted)}
    .resource-layout{
      display:grid;grid-template-columns:1.35fr .65fr;gap:22px;align-items:start;
    }
    .resource-list{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
      padding:18px;box-shadow:var(--shadow-sm);
    }
    .resource-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
      padding:18px;border-radius:24px;
      transition:.22s ease;border:1px solid transparent;
    }
    .resource-item + .resource-item{border-top:1px solid rgba(231,225,245,.75)}
    .resource-item:hover{background:#faf8ff;border-color:rgba(124,58,237,.13);transform:translateX(4px)}
    .resource-icon{
      width:48px;height:48px;border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary-soft),#fff1e8);
      color:var(--primary-dark);font-weight:900;
    }
    .resource-item h3{font-size:17px;color:var(--surface-ink);margin-bottom:4px}
    .resource-item p{color:var(--muted);font-size:14px}
    .resource-meta{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
    .side-panel{
      background:linear-gradient(180deg,#fff,#fff8ef);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:24px;
      box-shadow:var(--shadow-sm);
      position:sticky;top:128px;
    }
    .side-panel h3{font-size:22px;margin-bottom:10px;color:var(--surface-ink)}
    .side-panel p{font-size:14px;color:var(--muted);margin-bottom:16px}
    .rank-list{display:grid;gap:10px;margin:18px 0}
    .rank-list li{
      display:flex;align-items:center;gap:10px;
      padding:12px;border-radius:16px;background:rgba(255,255,255,.82);
      border:1px solid rgba(231,225,245,.8);
      color:var(--muted);font-size:14px;
    }
    .rank-list em{
      font-style:normal;width:24px;height:24px;border-radius:9px;
      display:grid;place-items:center;background:var(--surface-ink);
      color:#fff;font-size:12px;font-weight:900;
    }
    .compare-grid{
      display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
    }
    .plan-card{
      background:#fff;border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:26px;
      box-shadow:var(--shadow-sm);
      position:relative;overflow:hidden;
      display:flex;flex-direction:column;
      min-height:360px;
      transition:.24s ease;
    }
    .plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
    .plan-card.featured{
      background:linear-gradient(180deg,#211c43,#17142f);
      color:#fff;border-color:rgba(255,255,255,.14);
      box-shadow:var(--shadow-lg);
    }
    .plan-card.featured .plan-desc,.plan-card.featured li{color:rgba(255,255,255,.72)}
    .plan-card h3{font-size:24px;margin:12px 0 8px}
    .plan-desc{color:var(--muted);font-size:14px;min-height:48px}
    .price{font-size:36px;font-weight:900;line-height:1;margin:20px 0;color:var(--primary-dark)}
    .plan-card.featured .price{color:#fff}
    .price small{font-size:14px;font-weight:700;color:var(--muted-2)}
    .plan-card.featured .price small{color:rgba(255,255,255,.55)}
    .plan-features{display:grid;gap:10px;margin:8px 0 24px}
    .plan-features li{display:flex;gap:9px;color:var(--muted);font-size:14px}
    .plan-features li:before{content:"✓";color:var(--success);font-weight:900}
    .plan-card .btn{margin-top:auto;width:100%}
    .review-shell{
      display:grid;grid-template-columns:.72fr 1.28fr;gap:22px;align-items:stretch;
    }
    .score-card{
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      color:#fff;border-radius:var(--radius-xl);
      padding:34px;box-shadow:var(--shadow-lg);
      display:flex;flex-direction:column;justify-content:space-between;
      min-height:360px;
    }
    .score-card .score{font-size:74px;font-weight:900;line-height:1;letter-spacing:-.06em}
    .stars{color:#ffd166;letter-spacing:3px;font-size:20px;margin:10px 0}
    .score-card p{color:rgba(255,255,255,.76)}
    .review-actions{margin-top:26px}
    .review-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .review-card{
      background:#fff;border:1px solid var(--line);border-radius:26px;
      padding:22px;box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .review-card p{color:var(--muted);font-size:14px;margin:12px 0 16px}
    .user-line{display:flex;align-items:center;gap:10px}
    .avatar{
      width:38px;height:38px;border-radius:50%;
      background:linear-gradient(135deg,var(--accent),var(--primary));
      color:#fff;font-weight:900;display:grid;place-items:center;
    }
    .user-line b{font-size:14px;color:var(--surface-ink)}
    .user-line span{display:block;font-size:12px;color:var(--muted-2)}
    .news-layout{
      display:grid;grid-template-columns:1.25fr .75fr;gap:24px;
    }
    .news-list{
      background:#fff;border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:16px;box-shadow:var(--shadow-sm);
    }
    .news-item a{
      display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;
      padding:17px;border-radius:22px;
      transition:.22s ease;
    }
    .news-item a:hover{background:#faf8ff;transform:translateX(4px)}
    .news-date{
      width:58px;height:58px;border-radius:20px;
      display:grid;place-items:center;
      background:var(--primary-soft);color:var(--primary-dark);
      font-weight:900;line-height:1.1;text-align:center;font-size:13px;
    }
    .news-date small{display:block;font-size:11px;color:var(--muted);font-weight:800}
    .news-item h3{font-size:17px;color:var(--surface-ink);margin-bottom:4px}
    .news-item p{font-size:14px;color:var(--muted)}
    .arrow{color:var(--muted-2);font-weight:900}
    .recommend-box{
      border-radius:var(--radius-xl);
      padding:26px;
      background:linear-gradient(180deg,#fff,#f9f6ff);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .recommend-box h3{font-size:22px;margin-bottom:12px;color:var(--surface-ink)}
    .recommend-box p{color:var(--muted);font-size:14px;margin-bottom:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
    .tag-cloud a{
      display:inline-flex;padding:8px 11px;border-radius:999px;
      background:#fff;border:1px solid var(--line);
      font-size:13px;color:var(--muted);font-weight:800;
      transition:.2s ease;
    }
    .tag-cloud a:hover{color:var(--primary-dark);border-color:rgba(124,58,237,.3);background:var(--primary-soft)}
    .faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:start}
    .faq-intro{
      background:var(--surface-dark);color:#fff;
      border-radius:var(--radius-xl);padding:32px;
      box-shadow:var(--shadow-lg);
      position:sticky;top:128px;
    }
    .faq-intro p{color:rgba(255,255,255,.72);margin-top:12px}
    .faq-items{display:grid;gap:14px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:24px;
      padding:20px 22px;box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .faq-item:hover{box-shadow:var(--shadow-md);border-color:rgba(124,58,237,.18)}
    .faq-item h3{
      display:flex;align-items:flex-start;gap:12px;
      font-size:18px;color:var(--surface-ink);margin-bottom:10px;
    }
    .faq-item h3 span{
      width:26px;height:26px;border-radius:10px;
      display:grid;place-items:center;
      background:var(--primary-soft);color:var(--primary-dark);
      flex:0 0 auto;font-size:13px;
    }
    .faq-item p{color:var(--muted);font-size:15px}
    .download{
      padding:88px 0 96px;
    }
    .download-card{
      overflow:hidden;position:relative;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 14% 18%,rgba(255,138,61,.42),transparent 28%),
        radial-gradient(circle at 90% 30%,rgba(20,184,166,.28),transparent 28%),
        linear-gradient(135deg,#17142f,#2c1f57);
      color:#fff;
      padding:44px;
      box-shadow:var(--shadow-lg);
    }
    .download-card:before{
      content:"";position:absolute;right:-80px;bottom:-90px;
      width:310px;height:310px;border-radius:70px;
      transform:rotate(18deg);
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .download-inner{
      position:relative;z-index:1;
      display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:center;
    }
    .download h2{font-size:clamp(28px,3.8vw,46px);line-height:1.12;letter-spacing:-.045em;margin-bottom:14px}
    .download p{color:rgba(255,255,255,.76);max-width:620px}
    .download-panel{
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.14);
      border-radius:30px;
      padding:22px;
      backdrop-filter:blur(10px);
    }
    .input-row{
      display:flex;gap:10px;
      padding:8px;border-radius:999px;
      background:#fff;
      margin-top:16px;
    }
    .input-row input{
      flex:1;border:0;outline:0;padding:0 14px;
      min-width:0;color:var(--text);
      border-radius:999px;
    }
    .input-row button{
      flex:0 0 auto;
      min-height:44px;padding:0 17px;border-radius:999px;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--accent),#ff6b35);
      transition:.2s ease;
    }
    .input-row button:hover{filter:brightness(1.04);transform:translateY(-1px)}
    .form-tip{font-size:13px;color:rgba(255,255,255,.62);margin-top:10px}
    .toast{
      display:none;margin-top:12px;
      padding:10px 12px;border-radius:14px;
      background:rgba(16,185,129,.16);
      border:1px solid rgba(16,185,129,.25);
      color:#d1fae5;font-size:14px;
    }
    .toast.show{display:block}
    .site-footer{
      background:#111026;color:rgba(255,255,255,.72);
      padding:54px 0 26px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;grid-template-columns:1fr .7fr .7fr;gap:30px;
      padding-bottom:34px;
    }
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:900;font-size:18px;margin-bottom:14px}
    .footer-brand .brand-mark{width:42px;height:42px}
    .footer-text{max-width:560px;color:rgba(255,255,255,.66);font-size:14px}
    .footer-col h3{font-size:15px;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:rgba(255,255,255,.66);font-size:14px;transition:.2s ease;
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
      border-top:1px solid rgba(255,255,255,.09);
      padding-top:22px;font-size:13px;color:rgba(255,255,255,.52);
    }
    .footer-badges{display:flex;flex-wrap:wrap;gap:8px}
    .footer-badges span{
      padding:6px 9px;border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }
    .floating-cta{
      position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
      z-index:99;
      display:flex;align-items:center;gap:12px;
      padding:10px 12px 10px 16px;
      border-radius:999px;
      background:rgba(23,20,47,.9);
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 18px 50px rgba(23,20,47,.24);
      backdrop-filter:blur(16px);
    }
    .floating-cta span{font-size:14px;color:rgba(255,255,255,.75);white-space:nowrap}
    .floating-cta a{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:36px;padding:0 14px;border-radius:999px;
      background:#fff;color:var(--primary-dark);font-weight:900;font-size:13px;
    }
    @media (max-width:1080px){
      .hero-grid{grid-template-columns:1fr;gap:18px}
      .value-rail{grid-template-columns:repeat(3,1fr)}
      .stage{min-height:auto;padding:10px 0}
      .screen-card{width:100%;max-width:640px}
      .hero-side{grid-template-columns:1fr 1fr;align-items:start}
      .category-grid{grid-template-columns:repeat(2,1fr)}
      .topic-wrap,.resource-layout,.review-shell,.news-layout,.faq-grid,.download-inner{grid-template-columns:1fr}
      .side-panel,.faq-intro{position:static}
      .compare-grid{grid-template-columns:1fr}
      .plan-card{min-height:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .topbar-inner{height:auto;min-height:42px;align-items:flex-start;flex-direction:column;padding:9px 0;gap:8px}
      .topbar .top-actions{width:100%;overflow:auto;padding-bottom:2px}
      .navbar{min-height:68px}
      .brand-name{max-width:210px;font-size:16px}
      .menu-toggle{display:flex}
      .nav-right{
        position:absolute;left:14px;right:14px;top:calc(100% + 10px);
        display:none;flex-direction:column;align-items:stretch;gap:12px;
        padding:14px;border-radius:24px;background:rgba(255,255,255,.96);
        border:1px solid var(--line);box-shadow:var(--shadow-lg);
      }
      .nav-right.open{display:flex}
      .main-nav{flex-direction:column;align-items:stretch}
      .main-nav a{justify-content:flex-start}
      .nav-cta{justify-content:center}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-action{margin-top:18px}
      .hero{padding:34px 0 54px}
      .hero-shell{padding:18px;border-radius:30px}
      .value-rail,.hero-side,.review-list,.topic-cards{grid-template-columns:1fr}
      .screen-body{padding:22px}
      .screen-panel{grid-template-columns:1fr}
      .hero h1{font-size:36px}
      .category-grid{grid-template-columns:1fr}
      .resource-item,.news-item a{grid-template-columns:auto 1fr}
      .resource-meta,.arrow{grid-column:2;justify-content:flex-start}
      .download-card{padding:28px;border-radius:32px}
      .input-row{border-radius:22px;flex-direction:column}
      .input-row button{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .floating-cta{left:14px;right:14px;transform:none;justify-content:space-between}
    }
    @media (max-width:520px){
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .brand-name{max-width:176px}
      .hero-shell{padding:14px}
      .screen-card{border-radius:24px}
      .notice-strip span{width:100%;justify-content:center}
      .btn-row{display:grid;grid-template-columns:1fr;width:100%}
      .btn{width:100%}
      .section-title{font-size:28px}
      .topic-feature{padding:24px;border-radius:30px}
      .topic-feature h3{font-size:26px}
      .mini-stat{width:100%}
      .resource-list,.news-list{padding:10px;border-radius:28px}
      .score-card .score{font-size:58px}
      .footer-bottom{display:block}
      .footer-badges{margin-top:14px}
      .floating-cta span{display:none}
    }