/* roulang page: index */
:root{
      --font-main: "PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
      --bg: #f4f8fd;
      --bg-soft: #eaf4ff;
      --bg-card: rgba(255,255,255,.92);
      --text: #13243a;
      --muted: #63748a;
      --muted-2: #8494a8;
      --primary: #3279d8;
      --primary-dark: #1f5ead;
      --primary-soft: #dceeff;
      --secondary: #7c89aa;
      --accent: #d99125;
      --accent-soft: #fff2d8;
      --success: #2f9f82;
      --border: #d7e4f2;
      --border-strong: #bed4ec;
      --shadow-sm: 0 10px 28px rgba(32,78,126,.08);
      --shadow-md: 0 18px 50px rgba(33,81,132,.12);
      --shadow-lg: 0 26px 70px rgba(28,70,120,.16);
      --radius-sm: 14px;
      --radius-md: 22px;
      --radius-lg: 30px;
      --radius-xl: 38px;
      --container: 1220px;
      --section: 96px;
      --transition: .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-main);
      color:var(--text);
      background:
        radial-gradient(circle at 8% 3%, rgba(91,169,242,.18), transparent 32%),
        radial-gradient(circle at 92% 10%, rgba(217,145,37,.12), transparent 26%),
        linear-gradient(180deg,#f7fbff 0%, var(--bg) 42%, #eef5fc 100%);
      line-height:1.82;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition)}
    a:hover,a:focus{color:var(--primary)}
    button,input,textarea,select{font-family:inherit}
    button{cursor:pointer}
    img{max-width:100%;height:auto;display:block}
    .grid-container{max-width:var(--container)}
    .section{padding:var(--section) 0}
    .section-tight{padding:72px 0}
    .section-head{margin-bottom:34px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(220,238,255,.86);
      border:1px solid rgba(190,212,236,.9);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(217,145,37,.12);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(32px,4.4vw,54px);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:800;
      margin:18px 0 22px;
      color:#10233a;
    }
    h2{
      font-size:clamp(26px,3vw,36px);
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.025em;
      margin-bottom:12px;
    }
    h3{font-size:21px;line-height:1.35;font-weight:800;margin-bottom:10px}
    p{color:var(--muted);font-size:16.5px}
    .lead{font-size:18px;line-height:1.9;color:#52667e;max-width:760px}
    .small-note{font-size:13px;color:var(--muted-2);line-height:1.65}
    .badge,.chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      font-size:13px;
      line-height:1;
      white-space:nowrap;
      font-weight:700;
    }
    .badge{padding:8px 12px;background:#fff;border:1px solid var(--border);color:var(--secondary)}
    .badge.warn{background:var(--accent-soft);border-color:#f4d59c;color:#8a5a10}
    .chip{padding:10px 14px;background:#f7fbff;border:1px solid var(--border);color:#50647b}
    .chip:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
    .btn-modern{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      line-height:1;
      box-shadow:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#4ea0ec);
      box-shadow:0 15px 30px rgba(50,121,216,.22);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      transform:translateY(-3px);
      box-shadow:0 20px 42px rgba(50,121,216,.28);
    }
    .btn-secondary{
      color:#29425d;
      background:rgba(255,255,255,.82);
      border-color:var(--border-strong);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      color:var(--primary-dark);
      border-color:var(--primary);
      background:#fff;
      transform:translateY(-3px);
      box-shadow:var(--shadow-sm);
    }
    .btn-modern:focus-visible,
    .nav-link:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible,
    .accordion-title:focus-visible{
      outline:3px solid rgba(50,121,216,.26);
      outline-offset:3px;
    }

    .site-header{
      position:sticky;
      top:18px;
      z-index:50;
      padding:0 16px;
      pointer-events:none;
    }
    .floating-nav{
      max-width:var(--container);
      margin:0 auto;
      min-height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 12px 10px 20px;
      border-radius:999px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(202,219,238,.95);
      box-shadow:0 14px 46px rgba(28,68,112,.12);
      backdrop-filter:saturate(150%) blur(10px);
      pointer-events:auto;
    }
    .brand{
      display:flex;
      align-items:center;
      min-width:0;
      gap:11px;
      color:var(--text);
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,#e6f3ff,#ffffff);
      border:1px solid var(--border);
      box-shadow:inset 0 0 0 4px rgba(50,121,216,.06);
      color:var(--primary);
      flex:0 0 auto;
    }
    .brand-text{
      max-width:360px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:16px;
    }
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      margin:0;
      list-style:none;
      flex:1;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      color:#50647b;
      font-size:14px;
      font-weight:800;
    }
    .nav-link:hover{background:#edf6ff;color:var(--primary-dark)}
    .nav-link.active{
      background:var(--primary-soft);
      color:var(--primary-dark);
      box-shadow:inset 0 0 0 1px rgba(50,121,216,.1);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:999px;
      border:1px solid var(--border);
      background:#fff;
      color:var(--text);
      font-weight:900;
    }

    .hero{
      min-height:calc(70vh - 20px);
      padding:96px 0 54px;
      position:relative;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:32px auto auto 5%;
      width:210px;
      height:210px;
      border-radius:50%;
      background:rgba(50,121,216,.09);
      filter:blur(5px);
      z-index:-1;
    }
    .hero-copy{padding-top:42px}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:28px 0 18px}
    .compliance-line{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .dashboard-shell{
      position:relative;
      padding:16px;
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(255,255,255,.72),rgba(230,242,255,.78));
      border:1px solid rgba(201,219,239,.85);
      box-shadow:var(--shadow-lg);
    }
    .dashboard-shell:after{
      content:"";
      position:absolute;
      inset:auto 28px -16px 28px;
      height:28px;
      background:rgba(50,121,216,.12);
      filter:blur(18px);
      border-radius:50%;
      z-index:-1;
    }
    .dashboard-card{
      border-radius:30px;
      background:rgba(255,255,255,.96);
      border:1px solid var(--border);
      overflow:hidden;
    }
    .dash-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:22px 24px;
      border-bottom:1px solid var(--border);
    }
    .window-dots{display:flex;gap:7px}
    .window-dots span{width:10px;height:10px;border-radius:50%;background:#c8d9ec}
    .window-dots span:nth-child(2){background:#9fc6ee}
    .window-dots span:nth-child(3){background:#f2c46d}
    .dash-body{padding:24px}
    .hero-metric-main{
      padding:24px;
      border-radius:25px;
      background:linear-gradient(135deg,#edf7ff,#ffffff);
      border:1px solid var(--border);
      margin-bottom:16px;
    }
    .metric-num{display:block;font-size:42px;line-height:1;font-weight:900;color:var(--primary-dark);letter-spacing:-.04em}
    .mini-bars{display:flex;align-items:flex-end;gap:7px;height:64px;margin-top:16px}
    .mini-bars i{display:block;flex:1;border-radius:999px;background:linear-gradient(180deg,#77b9f0,#d8ecff)}
    .mini-bars i:nth-child(1){height:36%}.mini-bars i:nth-child(2){height:58%}.mini-bars i:nth-child(3){height:48%}.mini-bars i:nth-child(4){height:76%}.mini-bars i:nth-child(5){height:62%}.mini-bars i:nth-child(6){height:86%}
    .dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .dash-mini{
      padding:18px;
      border-radius:21px;
      background:#fbfdff;
      border:1px solid var(--border);
    }
    .dash-mini strong{display:block;font-size:22px;color:var(--text);font-weight:900;line-height:1.1}
    .dash-mini span{font-size:13px;color:var(--muted)}
    .privacy-strip{
      margin-top:16px;
      padding:14px 16px;
      border-radius:18px;
      background:#fff8e8;
      border:1px solid #f2d7a6;
      color:#755113;
      font-weight:700;
      font-size:14px;
    }

    .metric-board{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .metric-card{
      position:relative;
      min-height:150px;
      padding:26px;
      border-radius:var(--radius-lg);
      background:var(--bg-card);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .metric-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
    .metric-card.featured{
      min-height:318px;
      grid-row:span 2;
      background:linear-gradient(145deg,#ffffff,#e9f5ff);
    }
    .metric-card.featured:after{
      content:"";
      position:absolute;
      right:-44px;
      bottom:-60px;
      width:180px;
      height:180px;
      border-radius:50%;
      background:rgba(50,121,216,.11);
    }
    .metric-card .num{font-size:44px;line-height:1;font-weight:900;color:var(--primary-dark);letter-spacing:-.04em;margin:12px 0}
    .metric-card .label{font-weight:900;color:var(--text)}
    .metric-card .desc{font-size:14px;margin:0;color:var(--muted)}
    .progress-track{
      margin-top:26px;
      height:12px;
      border-radius:999px;
      background:#d9e8f8;
      overflow:hidden;
    }
    .progress-fill{width:72%;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#8fc8f7)}
    .status-list{margin:24px 0 0;list-style:none}
    .status-list li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:#52667e;font-size:14px}
    .status-dot{width:9px;height:9px;border-radius:50%;background:var(--success);margin-top:8px;flex:0 0 auto}

    .service-matrix{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:20px;
    }
    .service-card{
      position:relative;
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--primary)}
    .service-card.large{
      min-height:420px;
      background:
        linear-gradient(145deg,rgba(255,255,255,.96),rgba(232,244,255,.92)),
        radial-gradient(circle at 90% 10%,rgba(217,145,37,.12),transparent 28%);
    }
    .service-stack{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .icon-box{
      width:48px;height:48px;border-radius:18px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:22px;
      margin-bottom:18px;
      border:1px solid #c7e2fb;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
    .reading-preview{
      margin-top:28px;
      padding:20px;
      border-radius:24px;
      background:#f7fbff;
      border:1px solid var(--border);
    }
    .preview-line{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid var(--border);
    }
    .preview-line:last-child{border-bottom:0}
    .preview-rank{
      width:30px;height:30px;border-radius:10px;background:#fff;border:1px solid var(--border);display:grid;place-items:center;font-weight:900;color:var(--primary-dark)
    }
    .preview-line span{color:var(--muted);font-size:14px}

    .compare-panel{
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,#ffffff,#edf6ff);
      border:1px solid var(--border);
      box-shadow:var(--shadow-md);
    }
    .compare-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{
      border-radius:26px;
      background:#fff;
      border:1px solid var(--border);
      padding:24px;
    }
    .compare-card.soft{background:#f8fbff}
    .compare-row{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:15px 0;
      border-bottom:1px dashed #d9e4f1;
    }
    .compare-row:last-child{border-bottom:0}
    .state-dot{width:11px;height:11px;border-radius:50%;margin-top:8px;background:#b6c8dc;flex:0 0 auto}
    .state-dot.good{background:var(--success)}
    .compare-row strong{display:block;color:var(--text);font-size:15px}
    .compare-row span{display:block;color:var(--muted);font-size:14px}

    .category-preview{
      border-radius:var(--radius-xl);
      padding:30px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .chips-scroll{
      display:flex;
      gap:10px;
      overflow:auto;
      padding-bottom:10px;
      scrollbar-width:thin;
      margin:20px 0 24px;
    }
    .feature-entry{
      display:grid;
      grid-template-columns:180px 1fr auto;
      gap:22px;
      align-items:center;
      padding:22px;
      border-radius:28px;
      background:linear-gradient(135deg,#f7fbff,#fff);
      border:1px solid var(--border);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .feature-entry:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary)}
    .cover-card{
      min-height:190px;
      border-radius:24px;
      padding:18px;
      background:
        linear-gradient(160deg,rgba(50,121,216,.88),rgba(142,195,239,.72)),
        radial-gradient(circle at 75% 18%,rgba(255,255,255,.42),transparent 24%);
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      box-shadow:0 18px 36px rgba(50,121,216,.2);
    }
    .cover-card b{font-size:18px;line-height:1.35}
    .cover-card span{font-size:13px;opacity:.88}
    .entry-meta{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
    .entry-meta .badge{background:#fff}
    .entry-action{white-space:nowrap}

    .proof-band{
      border-radius:var(--radius-xl);
      padding:36px;
      background:#12263d;
      color:#fff;
      box-shadow:var(--shadow-lg);
      position:relative;
      overflow:hidden;
    }
    .proof-band:before{
      content:"";
      position:absolute;
      width:280px;height:280px;border-radius:50%;
      right:-70px;top:-100px;
      background:rgba(89,159,229,.22);
    }
    .proof-band h2,.proof-band p{color:#fff}
    .proof-band p{opacity:.78}
    .proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px;position:relative}
    .proof-item{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .proof-item strong{display:block;font-size:18px;margin-bottom:8px}
    .proof-item span{font-size:14px;color:rgba(255,255,255,.72)}

    .faq-wrap .accordion{
      background:transparent;
      margin:0;
    }
    .faq-wrap .accordion-item{
      margin-bottom:14px;
      border-radius:22px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .faq-wrap .accordion-title{
      border:0;
      padding:20px 58px 20px 22px;
      color:var(--text);
      font-size:16px;
      font-weight:900;
      background:#fff;
    }
    .faq-wrap .accordion-title:hover{background:#f3f9ff;color:var(--primary-dark)}
    .faq-wrap .accordion-title:before{
      right:24px;
      font-size:22px;
      margin-top:-13px;
      color:var(--primary);
    }
    .faq-wrap .accordion-content{
      border:0;
      border-top:1px solid var(--border);
      padding:20px 24px;
      color:var(--muted);
      background:#fbfdff;
      line-height:1.85;
    }

    .cta-form{
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,#ffffff,#eaf5ff);
      border:1px solid var(--border);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
    }
    .form-panel{padding:34px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .form-field.full{grid-column:1/-1}
    label{font-weight:800;color:#29425d;margin-bottom:8px;font-size:14px}
    input[type="text"],input[type="email"],select,textarea{
      width:100%;
      min-height:52px;
      border-radius:16px;
      border:1px solid var(--border-strong);
      background:#fff;
      box-shadow:none;
      padding:12px 15px;
      color:var(--text);
      transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
      margin:0;
    }
    textarea{min-height:126px;resize:vertical}
    input:focus,select:focus,textarea:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(50,121,216,.12);
      background:#fbfdff;
    }
    .checkline{
      display:flex;
      gap:10px;
      align-items:flex-start;
      margin:16px 0 22px;
      color:var(--muted);
      font-size:14px;
    }
    .checkline input{margin-top:7px}
    .process-panel{
      height:100%;
      padding:34px;
      background:#13263d;
      color:#fff;
    }
    .process-panel p{color:rgba(255,255,255,.72)}
    .step{
      display:flex;
      gap:14px;
      padding:16px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .step:last-child{border-bottom:0}
    .step-num{
      width:34px;height:34px;border-radius:14px;
      background:rgba(255,255,255,.12);
      display:grid;place-items:center;
      color:#bde0ff;
      font-weight:900;
      flex:0 0 auto;
    }
    .step strong{display:block;color:#fff}
    .step span{display:block;color:rgba(255,255,255,.7);font-size:14px}

    .site-footer{
      margin-top:40px;
      padding:64px 0 28px;
      background:#10243a;
      color:#fff;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.15);color:#bde0ff}
    .site-footer p,.site-footer a,.site-footer li{color:rgba(255,255,255,.72);font-size:14px}
    .site-footer a:hover{color:#fff}
    .footer-title{color:#fff;font-weight:900;margin-bottom:14px}
    .footer-list{margin:0;list-style:none}
    .footer-list li{margin-bottom:9px}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.6);
      font-size:13px;
    }

    @media (max-width:1024px){
      :root{--section:76px}
      .floating-nav{border-radius:28px;align-items:flex-start;flex-wrap:wrap}
      .brand-text{max-width:300px}
      .nav-menu{
        display:none;
        order:3;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        background:#f7fbff;
        border:1px solid var(--border);
        border-radius:22px;
        padding:10px;
      }
      .nav-menu.open{display:flex}
      .nav-link{justify-content:flex-start;width:100%}
      .menu-toggle{display:inline-grid;place-items:center}
      .nav-actions .btn-modern{display:none}
      .hero{padding-top:54px}
      .hero-copy{padding-top:16px}
      .dashboard-shell{margin-top:28px}
      .metric-board{grid-template-columns:1fr 1fr}
      .metric-card.featured{grid-column:1/-1;min-height:260px}
      .service-matrix{grid-template-columns:1fr}
      .compare-cols{grid-template-columns:1fr}
      .feature-entry{grid-template-columns:150px 1fr}
      .entry-action{grid-column:1/-1}
      .proof-grid{grid-template-columns:1fr}
    }
    @media (max-width:640px){
      :root{--section:58px}
      body{line-height:1.76}
      .site-header{top:10px;padding:0 10px}
      .floating-nav{min-height:62px;padding:10px;border-radius:24px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .brand-text{max-width:190px;font-size:14px}
      .hero{padding:38px 0 34px}
      .hero-actions{display:grid;grid-template-columns:1fr;width:100%}
      .btn-modern{width:100%}
      .dash-grid,.metric-board,.service-stack,.form-grid{grid-template-columns:1fr}
      .metric-card.featured{min-height:auto}
      .section-head{margin-bottom:24px}
      .service-card,.compare-panel,.category-preview,.proof-band,.form-panel,.process-panel{padding:22px}
      .feature-entry{grid-template-columns:1fr;padding:18px}
      .cover-card{min-height:160px}
      .proof-band{border-radius:28px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category1 */
:root{
      --color-primary:#2f7de1;
      --color-primary-dark:#1f5fb0;
      --color-primary-soft:#eaf3ff;
      --color-accent:#f1a23a;
      --color-accent-soft:#fff5e5;
      --color-bg:#f5f8fc;
      --color-bg-2:#eef5fb;
      --color-card:#ffffff;
      --color-text:#14243b;
      --color-muted:#64748b;
      --color-light:#8a9ab0;
      --color-border:#d9e5f2;
      --color-footer:#10243d;
      --shadow-soft:0 18px 48px rgba(31, 95, 176, .10);
      --shadow-hover:0 24px 60px rgba(31, 95, 176, .16);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --font-main:PingFang SC, Microsoft YaHei, Noto Sans SC, Source Han Sans SC, Arial, sans-serif;
      --container:1220px;
      --section:92px;
      --transition:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-main);
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 5%, rgba(47,125,225,.10), transparent 28%),
        radial-gradient(circle at 90% 18%, rgba(241,162,58,.10), transparent 26%),
        linear-gradient(180deg, #f8fbff 0%, var(--color-bg) 48%, #f6f9fd 100%);
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:var(--transition);
    }
    a:hover{color:var(--color-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{
      font-family:inherit;
    }
    button{cursor:pointer}
    input,textarea,select{
      width:100%;
      border:1px solid var(--color-border);
      border-radius:16px;
      background:#fff;
      min-height:52px;
      padding:13px 16px;
      color:var(--color-text);
      outline:none;
      transition:var(--transition);
      box-shadow:none;
    }
    textarea{min-height:132px;resize:vertical}
    input:focus,textarea:focus,select:focus{
      border-color:var(--color-primary);
      box-shadow:0 0 0 4px rgba(47,125,225,.12);
    }
    input::placeholder,textarea::placeholder{color:#9badc2}
    .grid-container{max-width:var(--container)}
    .section{padding:var(--section) 0}
    .section-tight{padding:64px 0}
    .section-heading{
      max-width:760px;
      margin:0 0 34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-size:13px;
      font-weight:700;
      margin-bottom:14px;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(32px, 4.7vw, 54px);
      line-height:1.16;
      letter-spacing:-.03em;
      font-weight:800;
      margin-bottom:22px;
      color:#102036;
    }
    h2{
      font-size:clamp(25px, 3vw, 36px);
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.02em;
      margin-bottom:14px;
    }
    h3{
      font-size:20px;
      line-height:1.35;
      font-weight:800;
      margin-bottom:10px;
    }
    p{
      color:var(--color-muted);
      font-size:16px;
      line-height:1.85;
    }

    .site-header{
      position:fixed;
      top:22px;
      left:0;
      right:0;
      z-index:1000;
      padding:0 18px;
      pointer-events:none;
    }
    .floating-nav{
      max-width:var(--container);
      margin:0 auto;
      min-height:68px;
      padding:10px 12px 10px 18px;
      display:flex;
      align-items:center;
      gap:18px;
      border:1px solid rgba(199,216,234,.88);
      border-radius:999px;
      background:rgba(255,255,255,.92);
      box-shadow:0 14px 42px rgba(25,69,124,.12);
      pointer-events:auto;
      backdrop-filter:saturate(1.1);
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:0;
      flex:0 1 auto;
      font-weight:800;
      color:var(--color-text);
    }
    .brand:hover{color:var(--color-text)}
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg, var(--color-primary), #70b7ff);
      color:#fff;
      box-shadow:0 10px 24px rgba(47,125,225,.28);
      font-weight:800;
      flex:0 0 38px;
    }
    .brand-text{
      display:inline-block;
      max-width:340px;
      overflow:hidden;
      white-space:nowrap;
      text-overflow:ellipsis;
      font-size:15px;
      letter-spacing:-.01em;
    }
    .nav-menu{
      list-style:none;
      display:flex;
      align-items:center;
      gap:6px;
      margin:0 auto;
      padding:0;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:8px 16px;
      border-radius:999px;
      color:#52667f;
      font-weight:700;
      font-size:14px;
    }
    .nav-link:hover{
      background:#f0f6ff;
      color:var(--color-primary-dark);
    }
    .nav-link.active{
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      flex:0 0 auto;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:0;
      border-radius:999px;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-size:22px;
      line-height:1;
    }

    .btn-modern{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      transition:var(--transition);
      line-height:1.2;
      text-align:center;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--color-primary), #56a8f7);
      color:#fff;
      box-shadow:0 12px 28px rgba(47,125,225,.26);
    }
    .btn-primary:hover{
      color:#fff;
      background:linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
      transform:translateY(-2px);
      box-shadow:0 16px 36px rgba(47,125,225,.32);
    }
    .btn-secondary{
      background:#fff;
      color:var(--color-primary-dark);
      border-color:var(--color-border);
      box-shadow:0 10px 24px rgba(31,95,176,.08);
    }
    .btn-secondary:hover{
      background:var(--color-primary-soft);
      border-color:#b8d5f6;
      transform:translateY(-2px);
    }
    .btn-modern:focus-visible,
    .nav-link:focus-visible,
    .brand:focus-visible,
    .menu-toggle:focus-visible,
    .footer-list a:focus-visible{
      outline:3px solid rgba(47,125,225,.28);
      outline-offset:3px;
    }

    .category-hero{
      padding:150px 0 72px;
      position:relative;
      overflow:hidden;
    }
    .category-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(47,125,225,.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(47,125,225,.06) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.75), transparent 72%);
      pointer-events:none;
    }
    .hero-shell{
      position:relative;
      padding:34px;
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.78);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      width:300px;
      height:300px;
      right:-110px;
      top:-105px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(47,125,225,.16), transparent 68%);
      pointer-events:none;
    }
    .hero-copy{
      position:relative;
      z-index:2;
      max-width:780px;
    }
    .hero-desc{
      font-size:18px;
      max-width:760px;
      color:#50637c;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:26px 0 18px;
    }
    .notice-line{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:18px;
      color:#52677f;
      font-size:14px;
    }
    .notice-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:var(--color-accent-soft);
      color:#805215;
      border:1px solid rgba(241,162,58,.28);
      font-weight:800;
    }
    .hero-panel{
      position:relative;
      z-index:2;
      height:100%;
      padding:26px;
      border-radius:28px;
      background:linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%);
      border:1px solid var(--color-border);
      box-shadow:0 16px 42px rgba(31,95,176,.09);
    }
    .panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .pulse{
      width:10px;
      height:10px;
      border-radius:50%;
      background:#28b487;
      box-shadow:0 0 0 7px rgba(40,180,135,.12);
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border:1px solid var(--color-border);
      background:#fff;
      color:#52677f;
      min-height:36px;
      padding:7px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      transition:var(--transition);
      white-space:nowrap;
    }
    .chip:hover,.chip.active{
      border-color:#acd0f7;
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
    }
    .hero-meter{
      margin-top:22px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--color-border);
    }
    .meter-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      font-size:13px;
      color:var(--color-muted);
      font-weight:800;
      margin-bottom:12px;
    }
    .meter-track{
      height:10px;
      border-radius:999px;
      background:#e5eef8;
      overflow:hidden;
    }
    .meter-fill{
      width:76%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg, var(--color-primary), #75bfff);
    }

    .stats-bar{
      margin-top:-28px;
      position:relative;
      z-index:4;
    }
    .stats-wrap{
      padding:18px;
      border:1px solid var(--color-border);
      border-radius:28px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);
    }
    .stat-item{
      padding:16px 18px;
      border-radius:20px;
      background:#f8fbff;
      border:1px solid rgba(217,229,242,.8);
      height:100%;
    }
    .stat-value{
      color:#11243b;
      font-size:28px;
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .stat-label{
      margin-top:5px;
      color:var(--color-muted);
      font-size:13px;
      font-weight:700;
    }

    .layout-card{
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.9);
      box-shadow:var(--shadow-soft);
    }
    .filter-panel{
      position:sticky;
      top:112px;
      padding:24px;
    }
    .filter-group + .filter-group{margin-top:24px}
    .filter-title{
      font-size:14px;
      font-weight:900;
      color:#243a55;
      margin-bottom:12px;
    }
    .filter-list{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .filter-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      min-height:42px;
      padding:10px 12px;
      border-radius:14px;
      color:#5c7088;
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
    }
    .filter-list a:hover,.filter-list a.active{
      background:var(--color-primary-soft);
      border-color:#c8dff8;
      color:var(--color-primary-dark);
    }
    .count-badge{
      display:inline-flex;
      min-width:28px;
      height:24px;
      padding:0 8px;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--color-border);
      color:#6a7d94;
      font-size:12px;
    }
    .mobile-filter{
      display:none;
      overflow:auto;
      gap:10px;
      padding-bottom:8px;
      margin-bottom:18px;
      -webkit-overflow-scrolling:touch;
    }

    .content-list{
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .content-card{
      position:relative;
      padding:24px;
      border:1px solid var(--color-border);
      border-radius:26px;
      background:#fff;
      box-shadow:0 12px 30px rgba(31,95,176,.07);
      transition:var(--transition);
      overflow:hidden;
    }
    .content-card:hover{
      transform:translateY(-4px);
      border-color:#b8d5f6;
      box-shadow:var(--shadow-hover);
    }
    .content-card.featured{
      padding:30px;
      background:
        radial-gradient(circle at right top, rgba(47,125,225,.12), transparent 36%),
        linear-gradient(180deg, #fff, #f5faff);
    }
    .card-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      margin-bottom:10px;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin:14px 0 18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:5px 10px;
      border-radius:999px;
      background:#f1f6fc;
      color:#536980;
      font-size:12px;
      font-weight:800;
      border:1px solid #e0ebf6;
    }
    .tag.hot{
      background:var(--color-accent-soft);
      border-color:rgba(241,162,58,.28);
      color:#805215;
    }
    .time-text{
      font-size:13px;
      color:var(--color-light);
      font-weight:700;
    }
    .card-action{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      justify-content:space-between;
      margin-top:18px;
      padding-top:18px;
      border-top:1px solid #edf3f9;
    }
    .read-state{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#536980;
      font-size:13px;
      font-weight:800;
    }
    .read-state::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:#28b487;
    }

    .guide-panel{
      padding:34px;
      border-radius:var(--radius-xl);
      border:1px solid var(--color-border);
      background:
        linear-gradient(135deg, rgba(255,245,229,.9), rgba(255,255,255,.94) 38%, rgba(234,243,255,.9));
      box-shadow:var(--shadow-soft);
    }
    .guide-list{
      list-style:none;
      margin:22px 0 0;
      padding:0;
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:14px;
    }
    .guide-list li{
      padding:18px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(217,229,242,.9);
      color:#52677f;
      font-weight:700;
      min-height:96px;
    }
    .guide-list strong{
      display:block;
      color:#14243b;
      margin-bottom:4px;
      font-size:16px;
    }

    .process-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .process-card,.privacy-card{
      padding:30px;
      border-radius:var(--radius-xl);
      border:1px solid var(--color-border);
      background:#fff;
      box-shadow:var(--shadow-soft);
      height:100%;
    }
    .step-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .step-list li{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      align-items:start;
      padding:16px;
      border-radius:18px;
      background:#f8fbff;
      border:1px solid #e2edf8;
    }
    .step-num{
      width:42px;
      height:42px;
      border-radius:15px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-weight:900;
    }
    .privacy-card{
      background:#10243d;
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .privacy-card::after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-80px;
      width:220px;
      height:220px;
      border-radius:50%;
      background:rgba(47,125,225,.28);
    }
    .privacy-card h2,.privacy-card h3{color:#fff}
    .privacy-card p{color:#c8d7e7}
    .privacy-point{
      position:relative;
      z-index:2;
      display:flex;
      gap:12px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
      color:#d9e7f7;
      font-weight:700;
    }
    .privacy-point span{
      color:#8fc5ff;
      font-weight:900;
    }

    .faq-wrap .accordion{
      background:transparent;
      border:0;
    }
    .faq-wrap .accordion-item{
      margin-bottom:14px;
      border:1px solid var(--color-border);
      border-radius:22px;
      background:#fff;
      overflow:hidden;
      box-shadow:0 12px 28px rgba(31,95,176,.06);
    }
    .faq-wrap .accordion-title{
      border:0;
      padding:20px 56px 20px 22px;
      color:#1d314b;
      font-size:17px;
      font-weight:900;
      background:#fff;
      line-height:1.5;
    }
    .faq-wrap .accordion-title:hover,
    .faq-wrap .accordion-title:focus{
      background:#f6faff;
      color:var(--color-primary-dark);
    }
    .faq-wrap .accordion-title::before{
      right:22px;
      color:var(--color-primary);
      font-size:22px;
      margin-top:-12px;
    }
    .faq-wrap .accordion-content{
      border:0;
      padding:0 22px 22px;
      background:#fff;
      color:var(--color-muted);
      line-height:1.85;
    }

    .feedback-card{
      padding:34px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
    }
    .form-label{
      display:block;
      margin:0 0 8px;
      color:#263b55;
      font-size:14px;
      font-weight:900;
    }
    .form-row{margin-bottom:16px}
    .check-row{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#596d84;
      font-size:14px;
      line-height:1.65;
      margin:16px 0 20px;
    }
    .check-row input{
      width:18px;
      height:18px;
      min-height:18px;
      margin-top:4px;
      flex:0 0 18px;
      accent-color:var(--color-primary);
      box-shadow:none;
    }
    .side-note{
      padding:26px;
      border-radius:28px;
      background:linear-gradient(180deg, #f2f8ff, #fff);
      border:1px solid var(--color-border);
      height:100%;
    }
    .note-item{
      display:flex;
      gap:12px;
      padding:15px 0;
      border-bottom:1px solid #e2edf8;
    }
    .note-item:last-child{border-bottom:0}
    .note-icon{
      width:34px;
      height:34px;
      border-radius:12px;
      background:#fff;
      border:1px solid var(--color-border);
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--color-primary-dark);
      font-weight:900;
      flex:0 0 34px;
    }

    .site-footer{
      padding:70px 0 28px;
      background:
        radial-gradient(circle at 15% 15%, rgba(47,125,225,.22), transparent 28%),
        var(--color-footer);
      color:#d9e7f7;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:900;
      font-size:17px;
      margin-bottom:16px;
    }
    .site-footer p{
      color:#c6d6e8;
      font-size:14px;
      line-height:1.85;
      margin-bottom:12px;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
      font-size:15px;
    }
    .footer-list{
      list-style:none;
      margin:0;
      padding:0;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .footer-list a{
      color:#c6d6e8;
      font-size:14px;
    }
    .footer-list a:hover{
      color:#8fc5ff;
      padding-left:3px;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      color:#a8bcd2;
      font-size:13px;
    }

    @media screen and (max-width:1024px){
      :root{--section:76px}
      .floating-nav{border-radius:28px;align-items:flex-start;flex-wrap:wrap}
      .brand-text{max-width:260px}
      .menu-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
      .nav-menu{
        display:none;
        order:5;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:12px 0 0;
        border-top:1px solid var(--color-border);
      }
      .nav-menu.is-open{display:flex}
      .nav-link{justify-content:flex-start}
      .nav-actions{margin-left:0}
      .category-hero{padding-top:138px}
      .filter-panel{position:static}
      .guide-list{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
    }

    @media screen and (max-width:768px){
      .site-header{top:12px;padding:0 12px}
      .floating-nav{min-height:62px;padding:9px 10px 9px 14px}
      .brand-mark{width:34px;height:34px;border-radius:12px;flex-basis:34px}
      .brand-text{max-width:188px;font-size:13px}
      .nav-actions .btn-modern{display:none}
      .category-hero{padding:116px 0 52px}
      .hero-shell{padding:22px;border-radius:26px}
      .hero-panel{margin-top:22px;padding:20px}
      .hero-desc{font-size:16px}
      .hero-actions .btn-modern{width:100%}
      .stats-bar{margin-top:0}
      .mobile-filter{display:flex}
      .filter-panel{display:none}
      .card-top{flex-direction:column}
      .content-card,.content-card.featured{padding:20px;border-radius:22px}
      .guide-panel,.feedback-card,.process-card,.privacy-card{padding:22px;border-radius:24px}
      .footer-bottom{flex-direction:column}
    }

    @media screen and (max-width:520px){
      :root{--section:58px}
      h1{font-size:31px}
      h2{font-size:25px}
      .section-heading{margin-bottom:24px}
      .chip-row{
        flex-wrap:nowrap;
        overflow:auto;
        padding-bottom:4px;
        -webkit-overflow-scrolling:touch;
      }
      .chip{flex:0 0 auto}
      .stats-wrap{padding:12px;border-radius:22px}
      .stat-item{padding:14px}
      .stat-value{font-size:24px}
      .card-action{align-items:stretch;flex-direction:column}
      .card-action .btn-modern{width:100%}
      .faq-wrap .accordion-title{font-size:15px;padding:18px 48px 18px 18px}
      .site-footer{padding-top:54px}
    }