/* roulang page: index */
:root{
      --primary:#2563eb;
      --primary-dark:#1d4ed8;
      --primary-soft:#dbeafe;
      --secondary:#0f766e;
      --accent:#f59e0b;
      --ink:#102033;
      --muted:#667085;
      --weak:#94a3b8;
      --bg:#f6f9ff;
      --panel:#ffffff;
      --panel-2:#f8fbff;
      --line:#e3eaf5;
      --line-strong:#cbd7ea;
      --danger:#ef4444;
      --success:#16a34a;
      --shadow-sm:0 10px 24px rgba(37,99,235,.08);
      --shadow-md:0 18px 46px rgba(15,32,51,.12);
      --shadow-lg:0 28px 70px rgba(37,99,235,.16);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --container:1180px;
      --nav-h:76px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 2%, rgba(37,99,235,.12), transparent 28%),
        radial-gradient(circle at 92% 10%, rgba(15,118,110,.10), transparent 30%),
        linear-gradient(180deg,#f8fbff 0%,#ffffff 34%,#f6f9ff 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:var(--primary);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .skip-link{
      position:absolute;
      left:-999px;
      top:10px;
      z-index:999;
      padding:10px 14px;
      background:#fff;
      border-radius:999px;
      box-shadow:var(--shadow-sm);
    }
    .skip-link:focus{left:16px}
    .countdown-bar{
      position:relative;
      z-index:20;
      background:linear-gradient(90deg,#0f2a5f,#2563eb 45%,#0f766e);
      color:#fff;
      font-size:14px;
      letter-spacing:.02em;
    }
    .countdown-inner{
      min-height:44px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:14px;
      flex-wrap:wrap;
      text-align:center;
    }
    .countdown-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:4px 10px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.24);
      border-radius:999px;
      font-weight:700;
      white-space:nowrap;
    }
    .site-header{
      position:sticky;
      top:12px;
      z-index:30;
      padding:14px 0;
      pointer-events:none;
    }
    .nav-shell{
      pointer-events:auto;
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 14px 12px 18px;
      border:1px solid rgba(203,215,234,.72);
      border-radius:999px;
      background:rgba(255,255,255,.84);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 48px rgba(17,49,97,.12);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
      color:#0f2a5f;
    }
    .brand-mark{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      color:#fff;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),#0f766e);
      box-shadow:0 10px 22px rgba(37,99,235,.25);
    }
    .brand-text{
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      max-width:420px;
    }
    .nav-menu{
      display:flex;
      align-items:center;
      gap:6px;
      margin:0;
      list-style:none;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:38px;
      padding:8px 15px;
      border-radius:999px;
      color:#344054;
      font-weight:700;
      font-size:15px;
    }
    .nav-link:hover,.nav-link:focus{
      background:var(--primary-soft);
      color:var(--primary-dark);
      outline:none;
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 10px 22px rgba(37,99,235,.25);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-mini{
      display:flex;
      align-items:center;
      gap:8px;
      width:210px;
      padding:8px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#f8fbff;
      color:var(--muted);
    }
    .search-mini input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
      box-shadow:none;
      margin:0;
      height:auto;
      padding:0;
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:0;
      border-radius:50%;
      color:#fff;
      background:var(--primary);
      align-items:center;
      justify-content:center;
    }
    main{position:relative}
    .section{
      padding:78px 0;
      position:relative;
    }
    .section.tight{padding:54px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      margin-bottom:12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--primary-dark);
      background:#fff;
      font-size:13px;
      font-weight:800;
      box-shadow:var(--shadow-sm);
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,3vw,44px);
      line-height:1.15;
      letter-spacing:-.04em;
      color:#0b1f3a;
    }
    .section-desc{
      margin:12px 0 0;
      max-width:720px;
      color:var(--muted);
      font-size:17px;
    }
    .hero{
      padding:64px 0 70px;
    }
    .hero-wrap{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:26px;
      align-items:stretch;
    }
    .hero-copy{
      position:relative;
      overflow:hidden;
      min-height:560px;
      padding:44px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(255,255,255,.96),rgba(248,251,255,.88)),
        radial-gradient(circle at 14% 18%,rgba(37,99,235,.14),transparent 26%);
      border:1px solid rgba(203,215,234,.78);
      box-shadow:var(--shadow-lg);
    }
    .hero-copy:before{
      content:"";
      position:absolute;
      inset:auto -120px -160px auto;
      width:360px;
      height:360px;
      background:radial-gradient(circle,rgba(37,99,235,.18),transparent 70%);
      border-radius:50%;
    }
    .hero-badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:24px;
      position:relative;
      z-index:1;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:#31506f;
      font-size:13px;
      font-weight:800;
      box-shadow:0 8px 20px rgba(37,99,235,.06);
    }
    .badge.primary{
      color:#fff;
      border-color:transparent;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }
    .hero h1{
      position:relative;
      z-index:1;
      margin:0;
      font-size:clamp(38px,5.4vw,72px);
      line-height:1.03;
      letter-spacing:-.065em;
      color:#081c35;
    }
    .hero-intro{
      position:relative;
      z-index:1;
      max-width:720px;
      margin:22px 0 0;
      font-size:18px;
      color:#516173;
    }
    .hero-actions{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      line-height:1;
      transition:var(--ease);
      box-shadow:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 14px 28px rgba(37,99,235,.25);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 34px rgba(37,99,235,.32);
      outline:none;
    }
    .btn-secondary{
      color:var(--primary-dark);
      background:#fff;
      border-color:var(--line-strong);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      color:var(--primary-dark);
      border-color:var(--primary);
      background:var(--primary-soft);
      outline:none;
      transform:translateY(-2px);
    }
    .btn-ghost{
      color:#344054;
      background:#f8fbff;
      border-color:var(--line);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:var(--secondary);
      border-color:#99f6e4;
      background:#ecfeff;
      outline:none;
    }
    .hero-stats{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:36px;
    }
    .stat-card{
      padding:18px;
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.84);
      box-shadow:var(--shadow-sm);
    }
    .stat-num{
      display:block;
      font-size:25px;
      line-height:1;
      color:var(--primary-dark);
      font-weight:950;
      letter-spacing:-.04em;
    }
    .stat-label{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .lead-panel{
      display:grid;
      gap:18px;
    }
    .cover-card{
      min-height:308px;
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid rgba(203,215,234,.82);
      background:
        linear-gradient(145deg,rgba(10,31,58,.96),rgba(37,99,235,.82)),
        radial-gradient(circle at 72% 28%,rgba(255,255,255,.24),transparent 28%);
      box-shadow:var(--shadow-lg);
      color:#fff;
      padding:28px;
    }
    .cover-card:after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-80px;
      width:240px;
      height:240px;
      border-radius:50%;
      border:34px solid rgba(255,255,255,.10);
    }
    .cover-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.22);
      font-size:13px;
      font-weight:800;
    }
    .cover-title{
      position:relative;
      z-index:1;
      margin:44px 0 10px;
      font-size:34px;
      line-height:1.14;
      letter-spacing:-.05em;
      font-weight:950;
    }
    .cover-sub{
      position:relative;
      z-index:1;
      max-width:360px;
      color:rgba(255,255,255,.78);
      margin:0;
    }
    .toc-card,.download-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-md);
      padding:24px;
    }
    .toc-title,.form-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin:0 0 16px;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .toc-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .toc-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:11px 12px;
      border-radius:15px;
      background:var(--panel-2);
      color:#43556b;
      font-weight:700;
    }
    .toc-list i{color:var(--primary);margin-top:5px}
    .download-form{
      display:grid;
      gap:12px;
    }
    .field{
      display:grid;
      gap:7px;
    }
    .field label{
      font-size:13px;
      font-weight:900;
      color:#344054;
    }
    .field input,.field select,.field textarea{
      width:100%;
      min-height:46px;
      border:1px solid var(--line-strong);
      border-radius:14px;
      background:#fbfdff;
      padding:10px 13px;
      color:var(--ink);
      outline:none;
      box-shadow:none;
      margin:0;
      transition:var(--ease);
    }
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:var(--primary);
      background:#fff;
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
    }
    .form-note{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .directory-wrap{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:22px;
      align-items:start;
    }
    .directory-aside{
      position:sticky;
      top:118px;
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
    }
    .directory-aside p{margin:12px 0 0;color:var(--muted)}
    .directory-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .dir-card,.rec-card,.metric-card,.step-card,.rank-card,.faq-item,.share-card,.news-list,.side-card,.compare-card{
      border:1px solid var(--line);
      background:#fff;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .dir-card{
      min-height:180px;
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .dir-card:hover,.rec-card:hover,.metric-card:hover,.step-card:hover,.compare-card:hover,.rank-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:#bfd2ff;
    }
    .icon-box{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:17px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 24px rgba(37,99,235,.18);
    }
    .dir-card h3,.rec-card h3,.metric-card h3,.step-card h3,.compare-card h3{
      margin:16px 0 8px;
      font-size:20px;
      letter-spacing:-.03em;
      color:#0b1f3a;
    }
    .dir-card p,.rec-card p,.metric-card p,.step-card p,.compare-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .progress-line{
      height:8px;
      overflow:hidden;
      border-radius:999px;
      background:#edf3ff;
      margin-top:16px;
    }
    .progress-line span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
    }
    .recommend-zone{
      background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
    }
    .rec-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
    }
    .rec-feature{
      overflow:hidden;
      min-height:430px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(160deg,rgba(13,37,71,.94),rgba(37,99,235,.76)),
        radial-gradient(circle at 75% 22%,rgba(255,255,255,.22),transparent 26%);
      color:#fff;
      padding:34px;
      position:relative;
      box-shadow:var(--shadow-lg);
    }
    .rec-feature h3{
      max-width:520px;
      margin:56px 0 12px;
      font-size:34px;
      line-height:1.18;
      letter-spacing:-.05em;
      color:#fff;
    }
    .rec-feature p{
      max-width:560px;
      margin:0;
      color:rgba(255,255,255,.78);
      font-size:16px;
    }
    .feature-wall{
      position:absolute;
      left:34px;
      right:34px;
      bottom:28px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .wall-item{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.2);
      backdrop-filter:blur(10px);
    }
    .wall-item strong{display:block;font-size:20px}
    .wall-item span{font-size:12px;color:rgba(255,255,255,.72)}
    .rec-cards{
      display:grid;
      gap:16px;
    }
    .rec-card{
      padding:22px;
      display:grid;
      grid-template-columns:auto 1fr;
      gap:16px;
      align-items:start;
    }
    .metrics-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .metric-card{
      padding:22px;
      min-height:186px;
    }
    .metric-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .metric-value{
      font-size:32px;
      font-weight:950;
      letter-spacing:-.05em;
      color:var(--primary-dark);
      line-height:1;
    }
    .trend{
      display:inline-flex;
      align-items:center;
      gap:4px;
      padding:4px 8px;
      border-radius:999px;
      background:#dcfce7;
      color:#15803d;
      font-size:12px;
      font-weight:900;
    }
    .chart-bars{
      margin-top:20px;
      display:flex;
      align-items:end;
      gap:7px;
      height:64px;
    }
    .chart-bars span{
      flex:1;
      border-radius:999px 999px 8px 8px;
      background:linear-gradient(180deg,#60a5fa,#2563eb);
      min-height:20%;
    }
    .steps-wrap{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step-card{
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .step-num{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:950;
    }
    .rank-layout{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:22px;
      align-items:start;
    }
    .rank-card{padding:0;overflow:hidden}
    .rank-row{
      display:grid;
      grid-template-columns:54px 1fr 90px 80px;
      align-items:center;
      gap:12px;
      padding:16px 18px;
      border-bottom:1px solid var(--line);
    }
    .rank-row:last-child{border-bottom:0}
    .rank-index{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:#eef4ff;
      color:var(--primary-dark);
      font-weight:950;
    }
    .rank-name strong{display:block;color:#172b4d}
    .rank-name span{display:block;color:var(--muted);font-size:13px}
    .heat{
      color:var(--primary-dark);
      font-weight:950;
    }
    .rank-tag{
      justify-self:start;
      padding:4px 9px;
      border-radius:999px;
      background:#fff7ed;
      color:#c2410c;
      font-size:12px;
      font-weight:900;
    }
    .compare-grid{
      display:grid;
      gap:16px;
    }
    .compare-card{
      padding:22px;
      display:flex;
      gap:15px;
      align-items:flex-start;
    }
    .compare-card.good .icon-box{background:linear-gradient(135deg,#16a34a,#0f766e)}
    .compare-card.warn .icon-box{background:linear-gradient(135deg,#f59e0b,#ef4444)}
    .news-zone{
      background:#fff;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:22px;
      align-items:start;
    }
    .news-list{
      padding:12px;
    }
    .news-item{
      display:grid;
      grid-template-columns:112px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      transition:var(--ease);
    }
    .news-item + .news-item{border-top:1px solid var(--line)}
    .news-item:hover{
      background:#f7fbff;
      transform:translateX(3px);
    }
    .news-date{
      padding:10px 12px;
      border-radius:16px;
      background:#eef4ff;
      color:var(--primary-dark);
      text-align:center;
      font-weight:950;
    }
    .news-date span{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .news-text h3{
      margin:0 0 6px;
      font-size:19px;
      color:#0b1f3a;
      letter-spacing:-.02em;
    }
    .news-text p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .news-arrow{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:var(--primary);
      background:#eef4ff;
    }
    .side-card{
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .side-card + .side-card{margin-top:16px}
    .side-card h3{margin:0 0 10px;font-size:21px;letter-spacing:-.03em}
    .side-card p{margin:0;color:var(--muted)}
    .logo-wall{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
      margin-top:18px;
    }
    .logo-chip{
      min-height:48px;
      display:flex;
      align-items:center;
      justify-content:center;
      padding:10px;
      border-radius:14px;
      background:#f8fbff;
      border:1px solid var(--line);
      color:#47617c;
      font-weight:900;
      text-align:center;
      font-size:13px;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:22px;
      align-items:start;
    }
    .faq-aside{
      padding:28px;
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,#eff6ff,#ffffff);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .faq-aside p{margin:12px 0 0;color:var(--muted)}
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      padding:20px 22px;
    }
    .faq-question{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      margin:0;
      color:#0b1f3a;
      font-size:18px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .faq-question i{color:var(--primary);margin-top:6px}
    .faq-answer{
      margin:11px 0 0;
      color:var(--muted);
      font-size:15px;
    }
    .share-section{
      padding-bottom:92px;
    }
    .share-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .share-card{
      padding:30px;
    }
    .share-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:20px;
    }
    .share-note{
      display:grid;
      gap:12px;
      margin-top:20px;
    }
    .note-item{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:13px;
      border-radius:16px;
      background:#f8fbff;
      border:1px solid var(--line);
      color:#52677d;
      font-weight:700;
    }
    .note-item i{color:var(--secondary);margin-top:5px}
    .message{
      display:none;
      padding:12px 14px;
      margin-top:12px;
      border-radius:14px;
      color:#166534;
      background:#dcfce7;
      border:1px solid #bbf7d0;
      font-weight:800;
      font-size:14px;
    }
    .message.show{display:block}
    .site-footer{
      color:#cbd5e1;
      background:
        radial-gradient(circle at 18% 0%, rgba(37,99,235,.24), transparent 32%),
        linear-gradient(180deg,#0b1f3a,#071629);
      padding:58px 0 30px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
      padding-bottom:34px;
      border-bottom:1px solid rgba(203,213,225,.18);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-text{
      max-width:560px;
      margin:16px 0 0;
      color:#aab8cc;
    }
    .footer-col h3{
      margin:0 0 14px;
      color:#fff;
      font-size:16px;
    }
    .footer-links{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#aab8cc;
    }
    .footer-links a:hover,.footer-links a:focus{
      color:#fff;
      padding-left:4px;
      outline:none;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#91a1b7;
      font-size:14px;
    }
    .floating-cta{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:35;
      display:flex;
      gap:10px;
      align-items:center;
      padding:10px;
      border-radius:999px;
      border:1px solid rgba(203,215,234,.74);
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(14px);
      box-shadow:var(--shadow-md);
    }
    .floating-cta span{
      padding-left:8px;
      color:#344054;
      font-weight:900;
      font-size:14px;
    }
    @media (max-width:1024px){
      .search-mini{display:none}
      .brand-text{max-width:300px}
      .hero-wrap,.directory-wrap,.rec-layout,.rank-layout,.news-layout,.faq-wrap,.share-grid{
        grid-template-columns:1fr;
      }
      .hero-copy{min-height:auto}
      .directory-aside{position:relative;top:auto}
      .metrics-grid,.steps-wrap{grid-template-columns:repeat(2,1fr)}
      .feature-wall{position:relative;left:auto;right:auto;bottom:auto;margin-top:30px}
      .rec-feature{min-height:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > :first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container,.nav-shell{width:min(100% - 28px,var(--container))}
      .site-header{top:8px;padding:10px 0}
      .nav-shell{
        border-radius:28px;
        align-items:flex-start;
        flex-wrap:wrap;
      }
      .menu-toggle{display:flex}
      .nav-actions{margin-left:auto}
      .nav-menu{
        display:none;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        padding:8px 0 0;
      }
      .nav-menu.open{display:flex}
      .nav-link{
        width:100%;
        justify-content:center;
      }
      .brand-text{max-width:calc(100vw - 160px)}
      .section{padding:58px 0}
      .hero{padding:42px 0 54px}
      .hero-copy{padding:30px 24px;border-radius:28px}
      .hero-stats,.directory-grid,.feature-wall,.metrics-grid,.steps-wrap{
        grid-template-columns:1fr;
      }
      .news-item{
        grid-template-columns:1fr;
        gap:10px;
      }
      .news-date{text-align:left}
      .news-arrow{display:none}
      .rank-row{
        grid-template-columns:42px 1fr;
      }
      .rank-row .heat,.rank-row .rank-tag{
        grid-column:2;
      }
      .floating-cta{
        left:14px;
        right:14px;
        justify-content:space-between;
      }
      .floating-cta span{font-size:13px}
    }
    @media (max-width:520px){
      .countdown-inner{padding:8px 0;font-size:13px}
      .cover-title{font-size:28px}
      .hero h1{font-size:38px}
      .hero-intro,.section-desc{font-size:16px}
      .btn{width:100%}
      .hero-actions,.share-actions{width:100%}
      .toc-card,.download-card,.share-card,.faq-aside,.directory-aside{padding:20px}
      .rec-card{grid-template-columns:1fr}
      .section-head{display:block}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom p{margin:8px 0}
    }