/* roulang page: index */
:root{
      --primary:#0b8fc0;
      --primary-dark:#076989;
      --accent:#16b7a7;
      --bg:#f6fbff;
      --panel:#ffffff;
      --panel-soft:#f9fcff;
      --text:#172033;
      --muted:#607086;
      --weak:#8a9aaf;
      --border:#dce9f2;
      --border-strong:#bfd6e6;
      --shadow:0 16px 40px rgba(18, 74, 111, .08);
      --shadow-hover:0 22px 52px rgba(18, 74, 111, .13);
      --radius:8px;
      --radius-sm:6px;
      --container:1200px;
    }
    *{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;
      line-height:1.6;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(21,152,199,.11), transparent 34%),
        linear-gradient(180deg,#f8fcff 0%, #f4f8fc 55%, #ffffff 100%);
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .site-container{width:min(var(--container), calc(100% - 40px)); margin-inline:auto}
    .skip-link{position:absolute;left:-999px;top:8px;background:#fff;color:var(--primary-dark);padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);z-index:99}
    .skip-link:focus{left:12px}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      backdrop-filter:saturate(160%) blur(14px);
      border-bottom:1px solid rgba(191,214,230,.72);
      box-shadow:0 8px 24px rgba(18,74,111,.04);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-weight:800;color:var(--text);letter-spacing:.01em}
    .brand-mark{
      width:34px;height:34px;border-radius:8px;
      display:grid;place-items:center;color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 12px 28px rgba(21,152,199,.22);
    }
    .brand-name{font-size:17px}
    .nav-main{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
    .nav-link{
      padding:9px 13px;border-radius:7px;color:#43536a;font-size:14px;font-weight:650;
      transition:background .2s ease,color .2s ease,transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{background:#eef8fd;color:var(--primary-dark);transform:translateY(-1px)}
    .nav-link.active{background:#e5f5fb;color:var(--primary-dark);box-shadow:inset 0 0 0 1px #c6e5f2}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .location-pill{
      display:flex;align-items:center;gap:7px;border:1px solid var(--border);background:#fff;
      border-radius:7px;padding:8px 11px;color:#405269;font-size:13px;font-weight:650;white-space:nowrap;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .location-pill:hover{border-color:var(--border-strong);box-shadow:0 10px 26px rgba(18,74,111,.08)}
    .search-mini{
      display:flex;align-items:center;gap:6px;background:#f5fbff;border:1px solid var(--border);
      border-radius:7px;padding:7px 10px;min-width:168px;
    }
    .search-mini input{border:0;background:transparent;outline:0;width:110px;color:var(--text);font-size:13px}
    .menu-toggle{display:none;border:1px solid var(--border);background:#fff;border-radius:7px;padding:8px 10px;color:var(--primary-dark)}
    .hero{
      border-bottom:1px solid var(--border);
      background:
        linear-gradient(90deg,rgba(238,249,255,.92),rgba(255,255,255,.95) 48%,rgba(239,252,249,.9)),
        repeating-linear-gradient(90deg, rgba(11,143,192,.045) 0 1px, transparent 1px 60px);
    }
    .hero-band{padding:44px 0 34px}
    .hero-line{display:flex;align-items:flex-start;justify-content:space-between;gap:30px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;
      background:#fff;border:1px solid var(--border);color:var(--primary-dark);
      font-size:13px;font-weight:750;box-shadow:0 8px 22px rgba(18,74,111,.05)
    }
    h1{font-size:clamp(30px,4.6vw,54px);line-height:1.08;margin:14px 0 14px;letter-spacing:-.02em;font-weight:900;color:#102036}
    .hero-desc{max-width:760px;color:#51637a;font-size:17px;line-height:1.9}
    .hero-tools{
      display:grid;grid-template-columns:1.5fr .8fr;gap:14px;margin-top:24px;align-items:center;
    }
    .search-box{
      display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--border-strong);
      border-radius:8px;padding:10px;box-shadow:var(--shadow)
    }
    .search-box input{flex:1;border:0;outline:0;padding:10px;color:var(--text);min-width:0}
    .channel-strip{display:flex;align-items:center;gap:8px;overflow:auto;padding-bottom:2px}
    .channel-chip{
      border:1px solid var(--border);background:#fff;color:#43536a;padding:10px 12px;border-radius:7px;
      font-weight:750;font-size:14px;white-space:nowrap;transition:all .2s ease
    }
    .channel-chip:hover,.channel-chip.active{border-color:#9ed7ea;background:#ebf8fd;color:var(--primary-dark)}
    .hero-side{
      min-width:260px;display:grid;grid-template-columns:1fr 1fr;gap:10px;
    }
    .metric-tile{
      background:#fff;border:1px solid var(--border);border-radius:8px;padding:14px;box-shadow:0 12px 30px rgba(18,74,111,.06)
    }
    .metric-tile strong{display:block;font-size:24px;line-height:1.1;color:var(--primary-dark)}
    .metric-tile span{font-size:12px;color:var(--muted);font-weight:650}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:7px;
      padding:11px 16px;font-weight:800;font-size:14px;border:1px solid transparent;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),#0a78a5);color:#fff;box-shadow:0 12px 28px rgba(11,143,192,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(11,143,192,.28)}
    .btn-secondary{background:#fff;color:var(--primary-dark);border-color:var(--border-strong)}
    .btn-secondary:hover{border-color:#8fcfe5;background:#f1fbff;transform:translateY(-1px)}
    .btn-ghost{background:#eff9fc;color:var(--primary-dark);border-color:#cde8f2}
    .btn:focus,.nav-link:focus,.location-pill:focus,.channel-chip:focus,input:focus,select:focus,textarea:focus{
      outline:3px solid rgba(22,183,167,.22);outline-offset:2px
    }
    main section{padding:66px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:24px}
    .section-title{font-size:clamp(24px,3vw,34px);line-height:1.18;font-weight:900;color:#13243a;margin:0}
    .section-desc{max-width:680px;color:var(--muted);font-size:15px;margin-top:10px;line-height:1.85}
    .badge{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;background:#eef9ff;border:1px solid #cde8f2;
      padding:5px 9px;color:var(--primary-dark);font-size:12px;font-weight:800
    }
    .card{
      background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
      box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong)}
    .benefit-grid{display:grid;grid-template-columns:1.25fr .75fr 1fr;gap:16px}
    .benefit-main{padding:24px;min-height:250px;background:linear-gradient(135deg,#fff,#f1fbff)}
    .benefit-main h3,.mini-card h3,.qual-card h3,.scenario-card h3,.case-card h3{font-size:19px;font-weight:900;margin:12px 0 8px}
    .benefit-main p,.mini-card p,.qual-card p,.scenario-card p,.case-card p{color:var(--muted);font-size:14px;line-height:1.75}
    .progress-wrap{margin-top:22px}
    .progress-label{display:flex;justify-content:space-between;color:#51637a;font-size:13px;font-weight:750;margin-bottom:8px}
    .progress{height:9px;background:#e7f2f8;border-radius:999px;overflow:hidden}
    .progress span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px}
    .mini-stack{display:grid;gap:16px}
    .mini-card{padding:20px}
    .qual-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:18px;align-items:stretch}
    .qual-panel{padding:26px;background:#10263a;color:#fff;border-radius:8px;position:relative;overflow:hidden}
    .qual-panel:after{content:"";position:absolute;right:-55px;bottom:-55px;width:190px;height:190px;border-radius:50%;background:rgba(22,183,167,.18)}
    .qual-panel p{color:#d5e7ef;position:relative}
    .qual-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .qual-card{padding:20px}
    .step-num{width:32px;height:32px;border-radius:7px;background:#e7f7fb;color:var(--primary-dark);display:grid;place-items:center;font-weight:900}
    .feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .feature-card{padding:18px;min-height:180px}
    .feature-card .icon{width:40px;height:40px;border-radius:8px;background:#eff9fc;display:grid;place-items:center;color:var(--primary-dark);font-weight:900;margin-bottom:14px}
    .feature-card h3{font-size:17px;font-weight:900;margin-bottom:7px}
    .feature-card p{color:var(--muted);font-size:14px;line-height:1.75}
    .data-board{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .chart-card{padding:24px}
    .bar-list{display:grid;gap:14px;margin-top:20px}
    .bar-item{display:grid;grid-template-columns:70px 1fr 48px;gap:12px;align-items:center;color:#46576e;font-weight:750;font-size:14px}
    .bar-bg{height:10px;background:#eaf3f8;border-radius:999px;overflow:hidden}
    .bar-bg span{display:block;height:100%;background:linear-gradient(90deg,#0b8fc0,#16b7a7);border-radius:999px}
    .kpi-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .kpi{padding:20px}
    .kpi strong{font-size:30px;color:var(--primary-dark);line-height:1.1}
    .kpi p{font-size:13px;color:var(--muted);margin-top:6px}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .scenario-card{padding:22px;position:relative;overflow:hidden}
    .scenario-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .tag{font-size:12px;color:#53647b;border:1px solid var(--border);background:#f8fcff;padding:5px 8px;border-radius:999px;font-weight:700}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .news-list{padding:8px}
    .news-row{
      display:grid;grid-template-columns:96px 1fr auto;gap:14px;align-items:center;
      padding:16px;border-radius:7px;border-bottom:1px solid #edf3f7;transition:background .2s ease
    }
    .news-row:hover{background:#f6fbff}
    .news-date{font-size:13px;color:var(--weak);font-weight:800}
    .news-row h3{font-size:16px;font-weight:900;margin-bottom:4px}
    .news-row p{font-size:13px;color:var(--muted)}
    .status{font-size:12px;font-weight:850;color:#087e71;background:#e9fbf7;border:1px solid #c8eee7;border-radius:999px;padding:5px 8px}
    .recommend{padding:22px;background:linear-gradient(180deg,#fff,#f4fbff)}
    .recommend ol{margin-top:16px;display:grid;gap:12px;counter-reset:item}
    .recommend li{list-style:none;display:flex;gap:10px;align-items:flex-start;color:#4f6076;font-size:14px}
    .recommend li:before{counter-increment:item;content:counter(item);width:22px;height:22px;border-radius:6px;display:grid;place-items:center;background:#e8f7fc;color:var(--primary-dark);font-weight:900;flex:0 0 auto}
    .case-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case-card{padding:22px}
    .case-card .result{font-size:28px;font-weight:950;color:var(--primary-dark);margin-bottom:8px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
    .compare-box{border:1px solid var(--border);border-radius:8px;padding:16px;background:#fbfdff}
    .compare-box strong{display:block;margin-bottom:8px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card{padding:24px}
    .price-card.featured{border-color:#8fcfe5;box-shadow:0 20px 50px rgba(11,143,192,.14);position:relative}
    .price-card h3{font-size:19px;font-weight:900}
    .price{font-size:34px;font-weight:950;color:var(--primary-dark);margin:10px 0}
    .price small{font-size:13px;color:var(--muted);font-weight:700}
    .check-list{display:grid;gap:9px;margin:16px 0 20px;color:#53647b;font-size:14px}
    .check-list li{list-style:none;display:flex;gap:8px}
    .check-list li:before{content:"✓";color:#0c9f8f;font-weight:900}
    .form-stage{display:grid;grid-template-columns:.86fr 1.14fr;gap:18px;align-items:stretch}
    .form-info{padding:28px;background:linear-gradient(135deg,#0f6f93,#0b8fc0);color:#fff;border-radius:8px}
    .form-info p{color:#e2f5fb}
    .form-card{padding:24px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field label{display:block;font-size:13px;color:#44556c;font-weight:800;margin-bottom:7px}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid var(--border);background:#fbfdff;border-radius:7px;
      padding:11px 12px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .field textarea{min-height:104px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#8fcfe5;background:#fff;box-shadow:0 0 0 4px rgba(11,143,192,.08)}
    .field-full{grid-column:1/-1}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}
    .faq-list{display:grid;gap:10px}
    .faq-item{border:1px solid var(--border);background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 10px 28px rgba(18,74,111,.05)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:0;padding:17px 18px;text-align:left;font-weight:900;color:#1a2b42}
    .faq-question:hover{background:#f7fcff}
    .faq-answer{display:none;padding:0 18px 18px;color:var(--muted);font-size:14px;line-height:1.8}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-question span:last-child{transition:transform .2s ease;color:var(--primary-dark);font-size:20px}
    .cta-panel{
      padding:30px;border-radius:8px;background:
        linear-gradient(135deg,rgba(11,143,192,.08),rgba(22,183,167,.08)),
        #fff;
      border:1px solid var(--border-strong);
      display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:var(--shadow)
    }
    .site-footer{background:#102033;color:#d7e2ec;padding:46px 0 24px;margin-top:20px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:28px}
    .footer-title{font-weight:900;color:#fff;margin-bottom:12px}
    .footer-text,.footer-links a{color:#aebdca;font-size:14px;line-height:1.85}
    .footer-links{display:grid;gap:8px}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;color:#92a3b3;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
    @media (max-width:1024px){
      .hero-line,.hero-tools,.qual-layout,.data-board,.news-layout,.form-stage,.faq-wrap{grid-template-columns:1fr;display:grid}
      .hero-line{display:block}
      .hero-side{margin-top:22px}
      .benefit-grid{grid-template-columns:1fr 1fr}
      .benefit-main{grid-column:1/-1}
      .feature-row,.price-grid{grid-template-columns:repeat(2,1fr)}
      .scenario-grid,.case-strip{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .search-mini{display:none}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .nav-wrap{align-items:flex-start;flex-wrap:wrap}
      .menu-toggle{display:inline-flex}
      .nav-main{order:3;width:100%;justify-content:flex-start;overflow:auto;padding:8px 0 2px;display:none}
      .nav-main.open{display:flex}
      .nav-actions{margin-left:auto}
      .location-pill span:last-child{display:none}
      .hero-band{padding:34px 0 28px}
      .hero-tools{gap:12px}
      .search-box{flex-wrap:wrap}
      .search-box .btn{width:100%}
      main section{padding:48px 0}
      .section-head{display:block}
      .benefit-grid,.qual-list,.feature-row,.scenario-grid,.case-strip,.price-grid,.form-grid{grid-template-columns:1fr}
      .news-row{grid-template-columns:1fr;gap:7px}
      .cta-panel{display:block}
      .cta-panel .btn{margin-top:16px;width:100%}
    }
    @media (max-width:520px){
      .brand-name{font-size:15px}
      .hero-side,.kpi-grid,.compare{grid-template-columns:1fr}
      .channel-strip{margin-inline:-14px;padding-inline:14px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .btn{width:100%}
      .nav-actions{width:100%;justify-content:space-between}
    }

/* roulang page: category1 */
:root{
      --bg:#f6f9fc;
      --surface:#ffffff;
      --surface-soft:#eef7fb;
      --surface-blue:#eaf5ff;
      --text:#102033;
      --muted:#607086;
      --weak:#8a98aa;
      --primary:#0878b9;
      --primary-dark:#075d92;
      --primary-soft:#dff3ff;
      --accent:#14a6a6;
      --accent-soft:#dcfbf7;
      --line:#dbe6ef;
      --line-strong:#b9d2e5;
      --shadow:0 14px 40px rgba(23,79,122,.10);
      --shadow-hover:0 18px 48px rgba(23,79,122,.16);
      --radius:8px;
      --radius-sm:6px;
      --container:1200px;
    }
    *{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(--text);
      background:
        radial-gradient(circle at 18% 6%, rgba(8,120,185,.10), transparent 28%),
        linear-gradient(180deg,#fbfdff 0%,var(--bg) 42%,#f8fbfd 100%);
      line-height:1.65;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    input,select,textarea{outline:none}
    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      border-bottom:1px solid rgba(219,230,239,.92);
      backdrop-filter:saturate(160%) blur(14px);
    }
    .nav-wrap{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:20px;
      justify-content:space-between;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
      font-weight:800;
      letter-spacing:0;
      color:var(--text);
    }
    .brand-mark{
      width:36px;
      height:36px;
      border-radius:8px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 10px 24px rgba(8,120,185,.24);
      font-size:18px;
    }
    .brand-name{font-size:18px;white-space:nowrap}
    .nav-main{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid var(--line);
      border-radius:8px;
      background:#f8fbfe;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:8px 13px;
      color:var(--muted);
      border-radius:6px;
      font-size:14px;
      font-weight:700;
      transition:background .2s ease,color .2s ease,box-shadow .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{background:#fff;color:var(--primary);box-shadow:0 8px 18px rgba(16,32,51,.06)}
    .nav-link.active{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(8,120,185,.22)}
    .nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
    .location-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:40px;
      padding:8px 12px;
      border-radius:8px;
      border:1px solid var(--line-strong);
      background:#fff;
      color:var(--text);
      font-size:14px;
      font-weight:700;
      transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .location-pill strong{color:var(--primary);font-weight:800}
    .location-pill:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow)}
    .search-mini{
      display:flex;
      align-items:center;
      gap:8px;
      width:180px;
      min-height:40px;
      padding:0 12px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:8px;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .search-mini:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(8,120,185,.10)}
    .search-mini input{
      width:100%;
      border:0;
      background:transparent;
      color:var(--text);
      font-size:14px;
    }
    .search-mini input::placeholder{color:var(--weak)}
    .menu-toggle{
      display:none;
      border:1px solid var(--line);
      background:#fff;
      color:var(--primary);
      border-radius:8px;
      padding:8px 12px;
      font-weight:800;
    }
    .section{padding:72px 0}
    .section-tight{padding:54px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:5px 10px;
      border-radius:999px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      font-size:13px;
      font-weight:800;
      margin-bottom:14px;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.02em;
      color:var(--text);
      font-weight:900;
    }
    .section-desc{
      margin:14px 0 0;
      color:var(--muted);
      max-width:760px;
      font-size:16px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:10px 16px;
      border-radius:8px;
      border:1px solid transparent;
      font-weight:800;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
    }
    .btn:focus-visible,.nav-link:focus-visible,.location-pill:focus-visible,.menu-toggle:focus-visible{
      outline:3px solid rgba(20,166,166,.24);
      outline-offset:2px;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(8,120,185,.24)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:var(--line-strong)}
    .btn-secondary:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow)}
    .btn-ghost{background:var(--surface-soft);color:var(--primary-dark);border-color:transparent}
    .btn-ghost:hover{background:#dff0fb;color:var(--primary-dark)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:800;
      background:var(--accent-soft);
      color:#087e7e;
    }
    .hero{
      padding:58px 0 34px;
    }
    .hero-panel{
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(360px,.72fr);
      gap:28px;
      align-items:stretch;
      padding:28px;
      background:rgba(255,255,255,.82);
      border:1px solid var(--line);
      border-radius:12px;
      box-shadow:var(--shadow);
    }
    .hero-copy{
      padding:14px 4px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-width:0;
    }
    .hero h1{
      margin:0;
      font-size:clamp(34px,5.4vw,58px);
      line-height:1.08;
      font-weight:950;
      letter-spacing:-.04em;
      color:var(--text);
      max-width:820px;
    }
    .hero-lead{
      margin:18px 0 0;
      color:var(--muted);
      font-size:18px;
      max-width:760px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:28px;
      max-width:760px;
    }
    .metric{
      background:#fff;
      border:1px solid var(--line);
      border-radius:8px;
      padding:14px;
    }
    .metric strong{display:block;font-size:22px;color:var(--primary-dark);line-height:1}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .download-card{
      background:linear-gradient(180deg,#ffffff 0%,#f1f8ff 100%);
      border:1px solid var(--line-strong);
      border-radius:10px;
      padding:18px;
      box-shadow:0 12px 28px rgba(8,120,185,.10);
    }
    .cover{
      min-height:190px;
      border-radius:8px;
      padding:18px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(7,93,146,.96),rgba(20,166,166,.92)),
        radial-gradient(circle at top right,rgba(255,255,255,.34),transparent 32%);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .cover:after{
      content:"";
      position:absolute;
      right:-32px;
      bottom:-44px;
      width:150px;
      height:150px;
      border:22px solid rgba(255,255,255,.13);
      border-radius:50%;
    }
    .cover small{position:relative;z-index:1;opacity:.92;font-weight:800}
    .cover h2{position:relative;z-index:1;margin:36px 0 0;font-size:25px;line-height:1.18;font-weight:950}
    .toc{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .toc li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
    }
    .toc b{
      flex:0 0 auto;
      width:22px;
      height:22px;
      display:grid;
      place-items:center;
      border-radius:6px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:12px;
    }
    .lead-form{
      margin-top:16px;
      display:grid;
      grid-template-columns:1fr;
      gap:10px;
    }
    .field{
      width:100%;
      min-height:44px;
      border:1px solid var(--line);
      border-radius:8px;
      background:#fff;
      padding:0 12px;
      color:var(--text);
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .field:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(8,120,185,.10)}
    .form-note{font-size:12px;color:var(--weak);margin:0}
    .filter-shell{
      background:#fff;
      border:1px solid var(--line);
      border-radius:12px;
      box-shadow:var(--shadow);
      padding:18px;
      margin-top:-6px;
    }
    .filter-top{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      padding-bottom:14px;
      border-bottom:1px solid var(--line);
    }
    .filter-title{font-weight:900;font-size:18px}
    .sort-group{display:flex;gap:8px;flex-wrap:wrap}
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:34px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      padding:7px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
    }
    .chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
    .chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
    .filter-grid{
      display:grid;
      grid-template-columns:120px 1fr;
      gap:12px;
      padding-top:14px;
    }
    .filter-label{color:var(--muted);font-weight:900;padding-top:6px}
    .channel-grid{
      display:grid;
      grid-template-columns:repeat(12,minmax(0,1fr));
      gap:18px;
      margin-top:26px;
    }
    .channel-card{
      grid-column:span 4;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      box-shadow:0 10px 26px rgba(16,32,51,.06);
      padding:18px;
      min-height:250px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .channel-card.featured{grid-column:span 6}
    .channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
    .card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
    .card-icon{
      width:42px;
      height:42px;
      border-radius:8px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      font-weight:950;
      box-shadow:0 10px 20px rgba(8,120,185,.16);
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:4px 9px;
      border-radius:999px;
      background:#f3f8fc;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(20,166,166,.12);
    }
    .channel-card h3{margin:16px 0 8px;font-size:21px;line-height:1.25;font-weight:950}
    .channel-card p{margin:0;color:var(--muted);font-size:14px}
    .progress{
      height:8px;
      border-radius:999px;
      background:#e9f1f7;
      overflow:hidden;
      margin-top:18px;
    }
    .progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .card-footer{
      margin-top:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--weak);
      font-size:13px;
    }
    .mini-link{font-weight:900;color:var(--primary)}
    .scenario-wrap{
      display:grid;
      grid-template-columns:320px 1fr;
      gap:24px;
      align-items:start;
    }
    .side-panel{
      position:sticky;
      top:96px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      box-shadow:var(--shadow);
      padding:18px;
    }
    .side-panel h2{margin:0;font-size:24px;line-height:1.25;font-weight:950}
    .side-panel p{margin:10px 0 0;color:var(--muted)}
    .step-list{display:grid;gap:14px}
    .step-item{
      display:grid;
      grid-template-columns:48px 1fr;
      gap:14px;
      align-items:start;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      padding:18px;
      box-shadow:0 10px 26px rgba(16,32,51,.05);
    }
    .step-num{
      width:48px;
      height:48px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:950;
    }
    .step-item h3{margin:0;font-size:18px;font-weight:950}
    .step-item p{margin:7px 0 0;color:var(--muted);font-size:14px}
    .proof-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
      align-items:stretch;
    }
    .proof-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      box-shadow:var(--shadow);
      padding:22px;
    }
    .proof-card h3{margin:0;font-size:22px;font-weight:950}
    .proof-card p{margin:10px 0 0;color:var(--muted)}
    .rank-list{margin-top:18px;display:grid;gap:10px}
    .rank-row{
      display:grid;
      grid-template-columns:34px 1fr auto;
      gap:12px;
      align-items:center;
      padding:12px;
      border:1px solid var(--line);
      border-radius:8px;
      background:#fbfdff;
    }
    .rank-row b{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:8px;
      background:var(--surface-blue);
      color:var(--primary);
    }
    .rank-row span{font-weight:900}
    .rank-row em{font-style:normal;color:var(--accent);font-weight:950}
    .timeline{display:grid;gap:12px;margin-top:18px}
    .time-node{
      position:relative;
      display:grid;
      grid-template-columns:78px 1fr;
      gap:14px;
      padding:13px;
      background:#fbfdff;
      border:1px solid var(--line);
      border-radius:8px;
    }
    .time-node strong{color:var(--primary-dark)}
    .time-node p{margin:0;color:var(--muted);font-size:14px}
    .price-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-top:26px;
    }
    .plan{
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      padding:22px;
      box-shadow:0 10px 26px rgba(16,32,51,.06);
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
    .plan.highlight{border-color:rgba(8,120,185,.42);box-shadow:var(--shadow)}
    .plan h3{margin:0;font-size:20px;font-weight:950}
    .plan .price{margin:14px 0;color:var(--primary-dark);font-size:30px;font-weight:950}
    .plan .price small{font-size:13px;color:var(--muted);font-weight:700}
    .check-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:10px;color:var(--muted);font-size:14px}
    .check-list li{display:flex;gap:8px;align-items:flex-start}
    .check-list li:before{content:"✓";color:var(--accent);font-weight:950}
    .faq-wrap{
      display:grid;
      grid-template-columns:360px 1fr;
      gap:26px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    details.faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      box-shadow:0 8px 20px rgba(16,32,51,.05);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      font-weight:950;
      display:flex;
      justify-content:space-between;
      gap:16px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      color:var(--primary);
      font-size:22px;
      line-height:1;
    }
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{
      margin:0;
      padding:0 20px 18px;
      color:var(--muted);
      border-top:1px solid var(--line);
      padding-top:14px;
    }
    .cta{
      background:linear-gradient(135deg,#ffffff,#eef8ff);
      border:1px solid var(--line-strong);
      border-radius:12px;
      box-shadow:var(--shadow);
      padding:30px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .cta h2{margin:0;font-size:30px;line-height:1.2;font-weight:950}
    .cta p{margin:10px 0 0;color:var(--muted);max-width:720px}
    .site-footer{
      background:#102033;
      color:#fff;
      padding:56px 0 24px;
      margin-top:70px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .8fr .8fr 1fr;
      gap:30px;
      align-items:start;
    }
    .footer-text{
      color:rgba(255,255,255,.70);
      margin:0;
      font-size:14px;
    }
    .footer-title{
      margin:0 0 14px;
      color:#fff;
      font-size:16px;
      font-weight:950;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.72);
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.14);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:rgba(255,255,255,.62);
      font-size:13px;
    }
    @media (max-width:1100px){
      .nav-wrap{flex-wrap:wrap;padding:12px 0}
      .nav-main{order:3;width:100%;overflow-x:auto;justify-content:flex-start}
      .hero-panel{grid-template-columns:1fr}
      .channel-card,.channel-card.featured{grid-column:span 6}
      .scenario-wrap,.faq-wrap{grid-template-columns:1fr}
      .side-panel{position:static}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px, var(--container))}
      .menu-toggle{display:inline-flex}
      .nav-wrap{gap:12px}
      .nav-main{
        display:none;
        order:5;
        flex-direction:column;
        align-items:stretch;
        border-radius:10px;
        padding:8px;
      }
      .nav-main.open{display:flex}
      .nav-link{justify-content:center}
      .nav-actions{width:100%;order:4;justify-content:space-between}
      .search-mini{flex:1;min-width:0}
      .location-pill{flex:0 0 auto}
      .hero{padding-top:30px}
      .hero-panel{padding:18px}
      .hero-metrics{grid-template-columns:1fr}
      .filter-top{align-items:flex-start;flex-direction:column}
      .filter-grid{grid-template-columns:1fr}
      .filter-label{padding-top:0}
      .channel-card,.channel-card.featured{grid-column:span 12}
      .proof-grid,.price-grid{grid-template-columns:1fr}
      .cta{flex-direction:column;align-items:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:520px){
      .brand-name{font-size:16px}
      .brand-mark{width:34px;height:34px}
      .location-pill{padding:8px 10px;font-size:13px}
      .search-mini{display:none}
      .hero h1{font-size:34px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .cover{min-height:170px}
      .section{padding:52px 0}
      .section-tight{padding:40px 0}
      .step-item{grid-template-columns:1fr}
      .rank-row{grid-template-columns:30px 1fr}
      .rank-row em{grid-column:2}
      .time-node{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
      --primary:#1377d4;
      --primary-strong:#075ea8;
      --accent:#0ea5a6;
      --accent-soft:#e6f8f8;
      --bg:#f6f9fd;
      --surface:#ffffff;
      --surface-2:#f9fbff;
      --text:#102033;
      --muted:#627083;
      --weak:#8b97a8;
      --border:#dce7f3;
      --border-strong:#b9cce0;
      --footer:#0e233b;
      --shadow-sm:0 8px 22px rgba(24,72,118,.07);
      --shadow-md:0 16px 38px rgba(24,72,118,.12);
      --radius:8px;
      --radius-sm:6px;
      --container:1200px;
      --header-h:76px;
    }

    *{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(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(19,119,212,.08), transparent 28%),
        linear-gradient(180deg,#f8fbff 0%,var(--bg) 44%,#fff 100%);
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    input,select,textarea{outline:none}
    :focus-visible{outline:3px solid rgba(19,119,212,.22);outline-offset:3px}

    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      backdrop-filter:saturate(160%) blur(14px);
      border-bottom:1px solid rgba(220,231,243,.9);
      box-shadow:0 6px 18px rgba(16,32,51,.04);
    }
    .nav-wrap{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
      font-weight:800;
      color:var(--text);
      letter-spacing:0;
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:36px;
      height:36px;
      display:inline-grid;
      place-items:center;
      border-radius:var(--radius-sm);
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 10px 22px rgba(19,119,212,.22);
      font-size:18px;
      line-height:1;
    }
    .brand-name{
      font-size:18px;
      white-space:nowrap;
    }

    .menu-toggle{
      display:none;
      border:1px solid var(--border);
      background:#fff;
      color:var(--primary-strong);
      border-radius:var(--radius-sm);
      padding:8px 12px;
      font-weight:700;
    }
    .menu-toggle:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
    .nav-main{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:10px;
      flex:1 1 auto;
      min-width:0;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:8px 13px;
      border-radius:var(--radius-sm);
      color:#36506b;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
      border:1px solid transparent;
    }
    .nav-link:hover{
      color:var(--primary-strong);
      background:#f1f7ff;
      border-color:#d5e7fb;
    }
    .nav-link.active{
      color:var(--primary-strong);
      background:#eaf4ff;
      border-color:#b9daf8;
      box-shadow:inset 0 -2px 0 rgba(19,119,212,.18);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .location-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:40px;
      padding:8px 12px;
      border:1px solid #cfe3f7;
      background:linear-gradient(180deg,#fff,#f3f9ff);
      border-radius:var(--radius-sm);
      color:#24526f;
      font-size:13px;
      white-space:nowrap;
    }
    .location-pill strong{color:var(--primary-strong)}
    .location-pill:hover{
      border-color:var(--primary);
      box-shadow:var(--shadow-sm);
      transform:translateY(-1px);
    }
    .search-mini{
      height:40px;
      display:flex;
      align-items:center;
      gap:6px;
      width:178px;
      padding:0 10px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-sm);
    }
    .search-mini:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(19,119,212,.12);
    }
    .search-mini input{
      width:100%;
      border:0;
      background:transparent;
      color:var(--text);
      font-size:13px;
    }
    .search-mini input::placeholder{color:var(--weak)}

    .section{
      padding:72px 0;
    }
    .section-tight{
      padding:46px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:5px 10px;
      border-radius:999px;
      color:var(--primary-strong);
      background:#eaf4ff;
      border:1px solid #cfe4fb;
      font-size:13px;
      font-weight:800;
    }
    .section-title{
      margin:16px 0 0;
      font-size:clamp(28px,4vw,44px);
      line-height:1.16;
      letter-spacing:-.02em;
      color:var(--text);
      font-weight:900;
    }
    .section-lead{
      margin:16px 0 0;
      max-width:760px;
      color:var(--muted);
      font-size:16px;
    }
    .split-head{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(280px,.7fr);
      gap:26px;
      align-items:end;
      margin-bottom:28px;
    }

    .hero{
      padding:54px 0 34px;
      border-bottom:1px solid rgba(220,231,243,.78);
    }
    .hero-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) 380px;
      gap:28px;
      align-items:stretch;
    }
    .hero-main{
      padding:38px;
      border:1px solid #d7e7f7;
      background:
        linear-gradient(135deg,rgba(255,255,255,.98),rgba(239,247,255,.82)),
        radial-gradient(circle at 88% 14%,rgba(14,165,166,.12),transparent 34%);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
    }
    .hero-main:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-90px;
      width:240px;
      height:240px;
      border-radius:50%;
      background:rgba(19,119,212,.07);
    }
    .hero-content{position:relative;z-index:1}
    h1{
      margin:18px 0 0;
      font-size:clamp(34px,5vw,56px);
      line-height:1.08;
      letter-spacing:-.03em;
      font-weight:950;
    }
    .hero-sub{
      margin:18px 0 0;
      max-width:760px;
      color:#506174;
      font-size:17px;
    }
    .hero-tools{
      margin-top:26px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:10px 16px;
      border-radius:var(--radius-sm);
      border:1px solid transparent;
      font-weight:800;
      font-size:14px;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 12px 24px rgba(19,119,212,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(19,119,212,.28)}
    .btn-secondary{
      color:var(--primary-strong);
      background:#fff;
      border-color:#cde0f4;
    }
    .btn-secondary:hover{background:#f2f8ff;border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn-ghost{
      color:#34516b;
      background:#f6f9fd;
      border-color:var(--border);
    }
    .btn-ghost:hover{background:#fff;border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
    .btn[disabled],.btn.disabled{
      opacity:.55;
      cursor:not-allowed;
      transform:none;
      box-shadow:none;
    }

    .quick-search{
      margin-top:26px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      max-width:720px;
      padding:8px;
      background:#fff;
      border:1px solid #cfe1f4;
      border-radius:var(--radius);
      box-shadow:0 10px 24px rgba(16,32,51,.06);
    }
    .quick-search input{
      min-width:0;
      height:46px;
      border:0;
      padding:0 12px;
      color:var(--text);
      background:transparent;
    }
    .channel-chips{
      margin-top:22px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid var(--border);
      background:#fff;
      color:#486077;
      font-size:13px;
      font-weight:700;
    }
    .chip.hot{border-color:#b8ddf8;background:#edf7ff;color:var(--primary-strong)}
    .chip:hover{border-color:var(--primary);transform:translateY(-1px)}

    .recommend-card{
      border:1px solid #b8dcfa;
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-md);
      overflow:hidden;
      position:relative;
    }
    .recommend-top{
      padding:14px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      background:linear-gradient(135deg,#eaf5ff,#f5fbff);
      border-bottom:1px solid #d7e9fa;
    }
    .recommend-top strong{color:var(--primary-strong)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:4px 8px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#087b7d;
      border:1px solid #bfe9e9;
      font-size:12px;
      font-weight:900;
      white-space:nowrap;
    }
    .recommend-body{padding:22px}
    .plan-name{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .plan-name h2{
      margin:0;
      font-size:22px;
      font-weight:950;
    }
    .price{
      font-weight:950;
      color:var(--primary-strong);
      font-size:30px;
      line-height:1;
    }
    .price span{font-size:13px;color:var(--muted);font-weight:700}
    .feature-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .feature-list li{
      display:flex;
      gap:9px;
      color:#43566b;
      font-size:14px;
    }
    .feature-list li:before{
      content:"✓";
      width:20px;
      height:20px;
      display:inline-grid;
      place-items:center;
      flex:0 0 auto;
      border-radius:50%;
      background:#e8f7f3;
      color:#078476;
      font-weight:900;
      font-size:12px;
      margin-top:2px;
    }
    .recommend-card .btn{width:100%;margin-top:20px}

    .metric-row{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:12px;
    }
    .metric{
      padding:15px;
      border:1px solid var(--border);
      border-radius:var(--radius-sm);
      background:rgba(255,255,255,.82);
    }
    .metric b{
      display:block;
      color:var(--primary-strong);
      font-size:22px;
      line-height:1.15;
    }
    .metric span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:13px;
    }

    .filter-strip{
      display:flex;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      padding:14px;
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .filter-groups{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .filter-btn{
      border:1px solid var(--border);
      background:#f8fbff;
      color:#40556c;
      padding:8px 11px;
      border-radius:var(--radius-sm);
      font-size:13px;
      font-weight:800;
    }
    .filter-btn:hover,.filter-btn.active{
      border-color:#9dcdf4;
      background:#eaf5ff;
      color:var(--primary-strong);
    }
    .sort-select{
      height:38px;
      border:1px solid var(--border);
      border-radius:var(--radius-sm);
      background:#fff;
      color:#40556c;
      padding:0 11px;
      font-weight:700;
      font-size:13px;
    }

    .management-layout{
      display:grid;
      grid-template-columns:270px minmax(0,1fr);
      gap:24px;
      margin-top:22px;
      align-items:start;
    }
    .side-panel{
      position:sticky;
      top:96px;
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .side-panel h2{
      margin:0;
      padding:18px 18px 12px;
      font-size:18px;
      font-weight:950;
    }
    .side-nav{
      padding:0 12px 14px;
      display:grid;
      gap:8px;
    }
    .side-nav a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:11px 10px;
      border-radius:var(--radius-sm);
      color:#40566f;
      font-weight:800;
      font-size:14px;
      border:1px solid transparent;
    }
    .side-nav a:hover,.side-nav a.active{
      background:#edf7ff;
      border-color:#cde6fb;
      color:var(--primary-strong);
    }
    .side-note{
      margin:0;
      padding:15px 18px 18px;
      border-top:1px solid var(--border);
      color:var(--muted);
      font-size:13px;
      background:#fbfdff;
    }

    .timeline{
      display:grid;
      gap:14px;
    }
    .timeline-card{
      display:grid;
      grid-template-columns:84px minmax(0,1fr) 168px;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .timeline-card:hover{
      transform:translateY(-3px);
      border-color:#b8d8f4;
      box-shadow:var(--shadow-md);
    }
    .time-dot{
      display:grid;
      place-items:center;
      min-height:64px;
      border-radius:var(--radius-sm);
      background:linear-gradient(180deg,#f1f8ff,#fff);
      border:1px solid #d9eafa;
      color:var(--primary-strong);
      font-weight:950;
      text-align:center;
      line-height:1.2;
    }
    .time-dot small{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      margin-top:3px;
    }
    .timeline-card h3{
      margin:0;
      font-size:18px;
      font-weight:950;
    }
    .timeline-card p{
      margin:7px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .progress-box{
      display:grid;
      gap:8px;
    }
    .progress-label{
      display:flex;
      justify-content:space-between;
      gap:10px;
      color:#486077;
      font-size:12px;
      font-weight:800;
    }
    .progress{
      height:8px;
      border-radius:999px;
      background:#e9f1fa;
      overflow:hidden;
    }
    .progress span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }

    .feature-mix{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      align-items:stretch;
    }
    .panel-card{
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      padding:24px;
    }
    .panel-card h3{
      margin:0;
      font-size:21px;
      font-weight:950;
    }
    .panel-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .step-list{
      margin:20px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:13px;
    }
    .step-list li{
      display:grid;
      grid-template-columns:34px minmax(0,1fr);
      gap:12px;
      align-items:start;
      padding:12px;
      border:1px solid #e4edf6;
      border-radius:var(--radius-sm);
      background:#fbfdff;
    }
    .step-num{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:var(--radius-sm);
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      font-weight:950;
    }
    .step-list strong{display:block;font-weight:950}
    .step-list span{display:block;color:var(--muted);font-size:13px;margin-top:2px}

    .status-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:20px;
    }
    .status-card{
      padding:16px;
      border-radius:var(--radius-sm);
      border:1px solid #dfeaf5;
      background:linear-gradient(180deg,#fff,#f8fbff);
    }
    .status-card b{
      display:block;
      font-size:24px;
      color:var(--primary-strong);
      line-height:1.1;
    }
    .status-card span{
      display:block;
      margin-top:7px;
      color:var(--muted);
      font-size:13px;
    }

    .scenario-board{
      display:grid;
      grid-template-columns:1fr 1fr 1.15fr;
      gap:16px;
      align-items:stretch;
    }
    .scenario-card{
      padding:22px;
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      min-height:196px;
    }
    .scenario-card.large{
      background:linear-gradient(135deg,#fff,#f1f8ff);
      border-color:#cbe1f5;
    }
    .scenario-card h3{
      margin:12px 0 0;
      font-size:19px;
      font-weight:950;
    }
    .scenario-card p{
      margin:9px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .scenario-icon{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:var(--radius-sm);
      background:#edf7ff;
      color:var(--primary-strong);
      font-size:20px;
    }
    .mini-stack{
      margin-top:18px;
      display:grid;
      gap:9px;
    }
    .mini-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:10px 11px;
      border-radius:var(--radius-sm);
      background:#fff;
      border:1px solid #dfeaf5;
      color:#40556c;
      font-size:13px;
      font-weight:800;
    }

    .proof-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:22px;
      align-items:stretch;
    }
    .score-card{
      padding:26px;
      border-radius:var(--radius);
      background:linear-gradient(135deg,#f1f8ff,#fff);
      border:1px solid #cfe2f5;
      box-shadow:var(--shadow-sm);
    }
    .score-card .big{
      display:block;
      margin-top:18px;
      font-size:54px;
      line-height:1;
      font-weight:950;
      color:var(--primary-strong);
    }
    .score-card p{color:var(--muted);margin:12px 0 0}
    .quote-list{
      display:grid;
      gap:14px;
    }
    .quote-card{
      padding:18px;
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .quote-card p{margin:0;color:#334b64}
    .quote-card footer{
      margin-top:10px;
      color:var(--weak);
      font-size:13px;
      font-weight:800;
    }

    .pricing-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      align-items:stretch;
    }
    .price-card{
      position:relative;
      padding:24px;
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .price-card.recommended{
      border-color:#95cdf5;
      box-shadow:var(--shadow-md);
      transform:translateY(-4px);
    }
    .price-card h3{margin:0;font-size:21px;font-weight:950}
    .price-card .desc{margin:8px 0 0;color:var(--muted);font-size:14px}
    .price-card .amount{
      margin-top:18px;
      color:var(--primary-strong);
      font-size:34px;
      font-weight:950;
      line-height:1;
    }
    .price-card .amount span{
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .price-card ul{
      margin:18px 0 22px;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
      color:#40556c;
      font-size:14px;
    }
    .price-card li:before{
      content:"•";
      color:var(--accent);
      font-weight:950;
      margin-right:8px;
    }
    .price-card .btn{margin-top:auto}

    .faq-list{
      display:grid;
      gap:12px;
      max-width:880px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      border:0;
      background:#fff;
      color:var(--text);
      font-weight:950;
      text-align:left;
    }
    .faq-question:hover{background:#f7fbff}
    .faq-question span:last-child{
      width:24px;
      height:24px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:#eef6ff;
      color:var(--primary-strong);
      flex:0 0 auto;
      transition:transform .2s ease;
    }
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
    }
    .faq-item.open .faq-answer{display:block}

    .cta-box{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:24px;
      align-items:center;
      padding:30px;
      border-radius:var(--radius);
      border:1px solid #b9dbf7;
      background:
        linear-gradient(135deg,#eaf5ff,#fff 62%),
        radial-gradient(circle at 90% 10%,rgba(14,165,166,.13),transparent 35%);
      box-shadow:var(--shadow-md);
    }
    .cta-box h2{
      margin:0;
      font-size:30px;
      line-height:1.2;
      font-weight:950;
    }
    .cta-box p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:720px;
    }
    .cta-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .site-footer{
      margin-top:20px;
      padding:52px 0 24px;
      background:var(--footer);
      color:#d7e3ef;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr 1fr;
      gap:30px;
      align-items:start;
    }
    .footer-text{
      color:#a9b8c8;
      font-size:14px;
      margin:0;
    }
    .footer-title{
      margin:0 0 14px;
      color:#fff;
      font-size:15px;
      font-weight:950;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:#b9c8d8;
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:#91a3b6;
      font-size:13px;
    }
    .mt-4{margin-top:1rem}

    @media (max-width:1024px){
      .site-container{width:min(100% - 32px,var(--container))}
      .nav-wrap{flex-wrap:wrap;padding:14px 0}
      .menu-toggle{display:inline-flex;margin-left:auto}
      .nav-main{
        order:3;
        width:100%;
        flex:0 0 100%;
        margin-left:0;
        display:none;
        overflow-x:auto;
        padding:4px 0;
      }
      .nav-main.open{display:flex}
      .nav-actions{margin-left:auto}
      .search-mini{width:150px}
      .hero-shell{grid-template-columns:1fr}
      .recommend-card{max-width:none}
      .split-head,.feature-mix,.proof-grid{grid-template-columns:1fr}
      .management-layout{grid-template-columns:1fr}
      .side-panel{position:static}
      .side-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
      .scenario-board{grid-template-columns:1fr 1fr}
      .scenario-card.large{grid-column:1 / -1}
      .pricing-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      :root{--header-h:auto}
      .site-container{width:min(100% - 24px,var(--container))}
      .nav-actions{
        width:100%;
        order:4;
        justify-content:space-between;
      }
      .location-pill{flex:1;justify-content:center}
      .search-mini{flex:1;width:auto}
      .brand-name{font-size:16px}
      .hero{padding-top:28px}
      .hero-main{padding:26px 20px}
      .quick-search{grid-template-columns:1fr}
      .metric-row{grid-template-columns:repeat(2,minmax(0,1fr))}
      .timeline-card{grid-template-columns:1fr}
      .time-dot{place-items:start;padding:12px;min-height:auto;text-align:left}
      .timeline-card .btn{width:100%}
      .status-grid,.scenario-board,.side-nav{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr;padding:24px}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .section{padding:54px 0}
    }

    @media (max-width:520px){
      .nav-link{padding:8px 10px}
      h1{font-size:34px}
      .section-title{font-size:28px}
      .hero-tools,.cta-actions{display:grid;grid-template-columns:1fr;width:100%}
      .btn{width:100%}
      .metric-row{grid-template-columns:1fr}
      .filter-strip{align-items:stretch}
      .filter-groups,.sort-select{width:100%}
      .filter-btn{flex:1}
      .copyright{display:grid}
    }