/* roulang page: index */
:root{
      --primary:#3E7CBF;
      --primary-dark:#245C91;
      --primary-soft:#EAF3FC;
      --accent:#C86B8E;
      --accent-soft:#FBEAF1;
      --soft-peach:#FFE9E2;
      --bg:#F6F9FC;
      --bg-warm:#FFFDFB;
      --card:#FFFFFF;
      --text-main:#1D2733;
      --text-muted:#667085;
      --border:#E5ECF3;
      --age:#8B5CF6;
      --shadow-sm:0 4px 14px rgba(38,76,118,.05);
      --shadow-md:0 12px 35px rgba(38,76,118,.08);
      --shadow-lg:0 18px 42px rgba(38,76,118,.12);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1180px;
      --transition:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans SC",Arial,sans-serif;
      color:var(--text-main);
      background:
        radial-gradient(circle at 8% 3%, rgba(200,107,142,.12), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(62,124,191,.12), transparent 30%),
        linear-gradient(180deg,#FFFDFB 0%,#F6F9FC 48%,#FAFBFD 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--primary-dark)}
    img,svg{max-width:100%;height:auto}
    button,input{font-family:inherit}
    ::selection{background:rgba(62,124,191,.18)}
    .container,.container-xl{max-width:var(--container)}
    .section{padding:86px 0}
    .section-sm{padding:64px 0}
    .section-title{max-width:760px;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:var(--primary-soft);color:var(--primary-dark);
      font-size:13px;font-weight:700;margin-bottom:14px;
    }
    .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(200,107,142,.12)}
    h1,h2,h3,h4{letter-spacing:-.02em;color:var(--text-main)}
    h1{font-size:44px;line-height:1.2;font-weight:800;margin:0 0 18px}
    h2{font-size:32px;line-height:1.28;font-weight:800;margin:0 0 12px}
    h3{font-size:21px;line-height:1.38;font-weight:800;margin:0 0 10px}
    p{margin:0;color:var(--text-muted)}
    .lead-text{font-size:17px;line-height:1.9;color:#526172}
    .text-gradient{
      background:linear-gradient(90deg,var(--primary-dark),var(--accent));
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }

    .site-header{
      position:sticky;top:0;z-index:1030;
      background:rgba(255,253,251,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(229,236,243,.78);
      box-shadow:0 6px 22px rgba(38,76,118,.04);
    }
    .brand-row{
      min-height:72px;
      display:flex;align-items:center;gap:18px;
    }
    .brand-logo{
      display:flex;align-items:center;gap:11px;min-width:max-content;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:16px;
      background:linear-gradient(135deg,var(--primary),#78A7D4 58%,var(--accent));
      display:grid;place-items:center;color:#fff;
      box-shadow:0 12px 24px rgba(62,124,191,.2);
      position:relative;overflow:hidden;
    }
    .logo-mark:before{
      content:"";position:absolute;inset:8px;border:1px solid rgba(255,255,255,.42);border-radius:12px;
    }
    .logo-mark:after{
      content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid #fff;margin-left:3px;z-index:1;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-weight:900;font-size:18px;color:var(--primary-dark);letter-spacing:-.03em}
    .brand-sub{font-size:12px;color:var(--text-muted);margin-top:3px}
    .top-search{
      flex:1;max-width:430px;margin-left:auto;
      display:flex;align-items:center;gap:8px;
      background:#fff;border:1px solid var(--border);border-radius:999px;padding:7px 8px 7px 16px;
      box-shadow:var(--shadow-sm);
    }
    .top-search input{
      border:0;outline:0;flex:1;min-width:0;background:transparent;color:var(--text-main);font-size:14px;
    }
    .top-search input::placeholder{color:#98A2B3}
    .search-btn{
      border:0;border-radius:999px;background:var(--primary);color:#fff;
      font-size:13px;font-weight:800;padding:8px 14px;transition:var(--transition);
    }
    .search-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
    .age-pill{
      display:inline-flex;align-items:center;gap:7px;
      border:1px solid rgba(139,92,246,.22);
      background:rgba(139,92,246,.08);
      color:#6D43C6;border-radius:999px;
      padding:9px 13px;font-size:13px;font-weight:700;white-space:nowrap;
    }
    .nav-row{border-top:1px solid rgba(229,236,243,.72)}
    .navbar{padding:10px 0}
    .navbar-toggler{
      border:1px solid var(--border);border-radius:14px;padding:8px 10px;background:#fff;
      box-shadow:var(--shadow-sm)
    }
    .navbar-toggler:focus{box-shadow:0 0 0 .22rem rgba(62,124,191,.18)}
    .nav-menu{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .nav-link-custom{
      display:inline-flex;align-items:center;justify-content:center;
      padding:10px 15px;border-radius:999px;color:#3B4858;
      font-size:14px;font-weight:800;
    }
    .nav-link-custom:hover{background:var(--primary-soft);color:var(--primary-dark)}
    .nav-link-custom.active{background:var(--primary);color:#fff;box-shadow:0 10px 20px rgba(62,124,191,.18)}
    .trend-wrap{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
    .trend-label{font-size:13px;color:var(--text-muted);font-weight:700}
    .trend-tag{
      padding:7px 11px;border-radius:999px;background:#fff;border:1px solid var(--border);
      color:#526172;font-size:12px;font-weight:700;
    }
    .trend-tag:hover{border-color:rgba(62,124,191,.35);background:var(--primary-soft);color:var(--primary-dark)}

    .btn-brand{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 22px;border-radius:999px;
      background:var(--primary);color:#fff!important;border:1px solid var(--primary);
      font-weight:800;box-shadow:0 12px 24px rgba(62,124,191,.18);transition:var(--transition);
    }
    .btn-brand:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 30px rgba(36,92,145,.22)}
    .btn-soft{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 22px;border-radius:999px;
      background:#fff;color:var(--primary-dark)!important;border:1px solid rgba(62,124,191,.25);
      font-weight:800;box-shadow:var(--shadow-sm);transition:var(--transition);
    }
    .btn-soft:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px)}
    .btn-accent{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 22px;border-radius:999px;
      color:#fff!important;border:0;font-weight:800;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 14px 28px rgba(200,107,142,.18);transition:var(--transition);
    }
    .btn-accent:hover{transform:translateY(-2px);filter:saturate(1.05);box-shadow:0 18px 34px rgba(62,124,191,.2)}
    .btn-brand:focus,.btn-soft:focus,.btn-accent:focus,.search-btn:focus{
      outline:3px solid rgba(62,124,191,.22);outline-offset:3px;
    }

    .hero{
      padding:76px 0 58px;
      position:relative;overflow:hidden;
    }
    .hero:before{
      content:"";position:absolute;right:-90px;top:40px;width:320px;height:320px;border-radius:50%;
      background:radial-gradient(circle,rgba(200,107,142,.16),transparent 68%);
      pointer-events:none;
    }
    .hero-copy{position:relative;z-index:1}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 18px}
    .hero-note{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
    .mini-pill{
      display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:999px;
      background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm);
      color:#526172;font-size:13px;font-weight:700;
    }
    .mini-pill i{width:8px;height:8px;border-radius:50%;background:var(--primary);display:inline-block}
    .hero-panel{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(229,236,243,.9);
      border-radius:30px;
      box-shadow:var(--shadow-md);
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";position:absolute;inset:0;
      background:linear-gradient(145deg,rgba(62,124,191,.08),transparent 42%,rgba(200,107,142,.08));
      pointer-events:none;
    }
    .panel-inner{position:relative;z-index:1}
    .mock-browser{
      border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden;
    }
    .mock-top{
      padding:13px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:7px;
      background:linear-gradient(180deg,#fff,#F8FBFE)
    }
    .mock-dot{width:9px;height:9px;border-radius:50%;background:#B8C7D8}
    .mock-dot:nth-child(1){background:#F2B5C8}.mock-dot:nth-child(2){background:#F8D9D0}.mock-dot:nth-child(3){background:#8FB7DE}
    .mock-content{padding:18px}
    .search-preview{
      padding:14px 16px;border:1px solid var(--border);border-radius:999px;background:#FAFCFE;
      color:#667085;font-size:14px;display:flex;justify-content:space-between;gap:12px;margin-bottom:16px;
    }
    .channel-card{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:16px;border-radius:18px;background:#fff;border:1px solid var(--border);margin-bottom:12px;
      transition:var(--transition);
    }
    .channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
    .channel-icon{
      width:44px;height:44px;border-radius:16px;display:grid;place-items:center;flex:0 0 auto;
      background:var(--primary-soft);color:var(--primary-dark);font-weight:900;
    }
    .channel-card:nth-child(3) .channel-icon{background:var(--accent-soft);color:var(--accent)}
    .channel-meta strong{display:block;font-size:15px;color:var(--text-main)}
    .channel-meta span{font-size:13px;color:var(--text-muted)}
    .arrow-badge{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#F8FBFE;color:var(--primary);font-weight:900}
    .panel-stats{
      display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px;
    }
    .panel-stat{
      padding:14px 10px;border-radius:16px;background:linear-gradient(180deg,#fff,#F7FAFD);
      border:1px solid var(--border);text-align:center;
    }
    .panel-stat b{display:block;color:var(--primary-dark);font-size:20px}
    .panel-stat span{font-size:12px;color:var(--text-muted);font-weight:700}

    .pain-section{background:rgba(255,255,255,.46)}
    .issue-list{display:grid;gap:14px}
    .issue-item{
      display:grid;grid-template-columns:48px 1fr;gap:16px;
      padding:18px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm);
      transition:var(--transition);
    }
    .issue-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(62,124,191,.25)}
    .issue-icon{
      width:48px;height:48px;border-radius:17px;background:linear-gradient(135deg,var(--primary-soft),#fff);
      color:var(--primary-dark);font-weight:900;display:grid;place-items:center;
    }

    .bento-grid{
      display:grid;grid-template-columns:1.25fr .75fr;grid-auto-rows:minmax(190px,auto);gap:18px;
    }
    .bento-card{
      position:relative;overflow:hidden;padding:26px;border-radius:var(--radius-lg);
      background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);
    }
    .bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
    .bento-card.large{grid-row:span 2;background:linear-gradient(135deg,#fff 0%,#F2F7FC 68%,#FFF1F5 100%)}
    .bento-card.wide{grid-column:1 / -1;background:linear-gradient(100deg,#fff,#F4F9FE)}
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      padding:7px 11px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);
      font-size:12px;font-weight:800;margin-bottom:14px;
    }
    .tag.accent{background:var(--accent-soft);color:#A84D70}
    .tag.peach{background:var(--soft-peach);color:#A65B4C}
    .tagline-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
    .tagline-list li{
      display:flex;align-items:flex-start;gap:10px;color:#526172;font-size:15px;
    }
    .tagline-list li:before{
      content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;flex:0 0 auto;
    }
    .card-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--primary-dark);font-weight:900}
    .card-link:hover{gap:12px;text-decoration:underline;text-underline-offset:5px}

    .results-band{
      border-radius:30px;padding:34px;background:linear-gradient(135deg,#EDF6FE,#FFFDFB 55%,#FDECF2);
      border:1px solid rgba(229,236,243,.9);box-shadow:var(--shadow-sm);
    }
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric-card{
      background:rgba(255,255,255,.82);border:1px solid rgba(229,236,243,.88);border-radius:22px;padding:22px;
      transition:var(--transition);
    }
    .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .metric-num{font-size:30px;font-weight:900;color:var(--primary-dark);line-height:1}
    .metric-label{font-weight:900;margin-top:10px;color:var(--text-main)}
    .metric-desc{font-size:14px;margin-top:6px}

    .portal-layout{
      display:grid;grid-template-columns:.9fr 1.4fr;gap:22px;align-items:start;
    }
    .ranking-card,.topic-card,.testimonial-card,.guide-strip,.faq-wrap,.cta-panel{
      background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
    }
    .ranking-card{padding:24px;position:sticky;top:156px}
    .rank-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
    .rank-list li a{
      display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:center;
      padding:13px;border-radius:16px;border:1px solid transparent;
    }
    .rank-list li a:hover{background:var(--primary-soft);border-color:rgba(62,124,191,.18)}
    .rank-num{
      width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:900;
      background:#fff;border:1px solid var(--border);color:var(--primary-dark);
    }
    .rank-list li:nth-child(1) .rank-num{background:var(--primary);color:#fff;border-color:var(--primary)}
    .rank-title{font-weight:900;color:var(--text-main);display:block}
    .rank-sub{font-size:13px;color:var(--text-muted);display:block}
    .topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .topic-card{padding:22px;min-height:210px;position:relative;overflow:hidden;transition:var(--transition)}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
    .topic-card:after{
      content:"";position:absolute;right:-36px;bottom:-46px;width:136px;height:136px;border-radius:50%;
      background:rgba(62,124,191,.08);
    }
    .topic-card:nth-child(even):after{background:rgba(200,107,142,.1)}
    .topic-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
    .small-badge{
      padding:5px 9px;border-radius:999px;background:#F7FAFD;border:1px solid var(--border);
      color:#667085;font-size:12px;font-weight:800;
    }

    .testimonial-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .testimonial-card{padding:24px;transition:var(--transition)}
    .testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .avatar{
      width:46px;height:46px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));
      display:grid;place-items:center;color:var(--primary-dark);font-weight:900;margin-bottom:16px;
    }
    .quote{font-size:15px;color:#465566;line-height:1.8}
    .quote-name{margin-top:16px;font-weight:900;color:var(--text-main)}
    .quote-role{font-size:13px;color:var(--text-muted)}

    .guide-strip{
      padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;
      transition:var(--transition);
    }
    .guide-strip:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
    .strip-left{display:flex;gap:14px;align-items:flex-start}
    .strip-icon{
      width:44px;height:44px;border-radius:16px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:900;flex:0 0 auto;
    }

    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid var(--border)!important;border-radius:18px!important;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);
    }
    .accordion-button{
      padding:18px 20px;font-weight:900;color:var(--text-main);background:#fff;border-radius:18px!important;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){background:var(--primary-soft);color:var(--primary-dark)}
    .accordion-button:focus{box-shadow:0 0 0 .22rem rgba(62,124,191,.14)!important}
    .accordion-body{color:var(--text-muted);padding:0 20px 20px;line-height:1.85}

    .cta-panel{
      position:relative;overflow:hidden;padding:42px;
      background:linear-gradient(135deg,#EEF7FF 0%,#FFFDFB 58%,#FCEAF1 100%);
    }
    .cta-panel:before{
      content:"";position:absolute;right:-70px;top:-80px;width:230px;height:230px;border-radius:50%;background:rgba(200,107,142,.16);
    }
    .cta-panel:after{
      content:"";position:absolute;left:-80px;bottom:-90px;width:240px;height:240px;border-radius:50%;background:rgba(62,124,191,.12);
    }
    .cta-content{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

    .site-footer{
      padding:58px 0 28px;background:#EEF4FA;border-top:1px solid var(--border);margin-top:34px;
    }
    .footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
    .footer-title{font-weight:900;color:var(--primary-dark);font-size:18px}
    .footer-desc{max-width:520px;font-size:14px;line-height:1.85}
    .footer-col h4{font-size:15px;font-weight:900;margin-bottom:14px;color:var(--text-main)}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .footer-links a{font-size:14px;color:#526172;font-weight:700}
    .footer-links a:hover{color:var(--primary-dark);padding-left:4px}
    .footer-bottom{
      margin-top:34px;padding-top:20px;border-top:1px solid rgba(203,216,229,.8);
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#667085;font-size:13px;
    }

    @media (max-width:1199.98px){
      h1{font-size:40px}
      .trend-wrap{justify-content:flex-start;margin-top:8px}
      .ranking-card{top:142px}
    }
    @media (max-width:991.98px){
      .section{padding:64px 0}
      .brand-row{min-height:auto;padding:13px 0;flex-wrap:wrap}
      .top-search{order:3;max-width:none;width:100%;margin-left:0}
      .age-pill{margin-left:auto}
      .nav-menu{padding:12px 0;align-items:stretch}
      .nav-link-custom{justify-content:flex-start}
      h1{font-size:34px}
      h2{font-size:28px}
      .hero{padding:54px 0 46px}
      .hero-panel{margin-top:26px}
      .bento-grid{grid-template-columns:1fr}
      .bento-card.large,.bento-card.wide{grid-column:auto;grid-row:auto}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .portal-layout{grid-template-columns:1fr}
      .ranking-card{position:relative;top:auto}
      .testimonial-wrap{grid-template-columns:1fr}
      .cta-content{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:767.98px){
      .section{padding:54px 0}
      h1{font-size:30px}
      h2{font-size:25px}
      .lead-text{font-size:16px}
      .brand-name{font-size:16px}
      .brand-sub{display:none}
      .age-pill{font-size:12px;padding:8px 10px}
      .trend-wrap{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;scrollbar-width:none}
      .trend-wrap::-webkit-scrollbar{display:none}
      .trend-label{flex:0 0 auto}
      .trend-tag{flex:0 0 auto}
      .hero-actions,.cta-actions{width:100%;flex-direction:column}
      .btn-brand,.btn-soft,.btn-accent{width:100%}
      .hero-note{align-items:stretch}
      .mini-pill{width:100%;justify-content:center}
      .panel-stats{grid-template-columns:1fr}
      .issue-item{grid-template-columns:42px 1fr;padding:16px}
      .issue-icon{width:42px;height:42px;border-radius:15px}
      .topic-grid{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr}
      .results-band,.cta-panel{padding:24px}
      .guide-strip{align-items:flex-start;flex-direction:column}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .container,.container-xl{padding-left:18px;padding-right:18px}
      .hero{padding-top:40px}
      .top-search{padding-left:12px}
      .search-btn{padding:8px 11px}
      .hero-panel{padding:16px;border-radius:22px}
      .mock-content{padding:14px}
      .channel-card{align-items:flex-start}
      .section-title{margin-bottom:24px}
      .bento-card,.topic-card,.testimonial-card,.ranking-card{padding:20px}
      .cta-panel{border-radius:22px}
    }

/* roulang page: category1 */
:root{
      --primary:#3E7CBF;
      --primary-dark:#245C91;
      --primary-soft:#EAF3FC;
      --accent:#C86B8E;
      --accent-soft:#FCEBF1;
      --soft-peach:#FFE9E2;
      --bg:#F6F9FC;
      --bg-warm:#FFFDFB;
      --card:#FFFFFF;
      --text-main:#1D2733;
      --text-muted:#667085;
      --border:#E5ECF3;
      --age:#8B5CF6;
      --shadow-sm:0 4px 14px rgba(38,76,118,.05);
      --shadow-md:0 12px 35px rgba(38,76,118,.08);
      --shadow-lg:0 18px 42px rgba(38,76,118,.12);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --section:86px;
      --font-cn:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans SC",Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-cn);
      color:var(--text-main);
      background:
        radial-gradient(circle at 8% 8%, rgba(200,107,142,.11), transparent 28%),
        radial-gradient(circle at 88% 16%, rgba(62,124,191,.13), transparent 30%),
        linear-gradient(180deg,#FFFDFB 0%,#F6F9FC 42%,#FAFBFD 100%);
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    a:hover{color:var(--primary-dark)}
    img{max-width:100%;height:auto}
    button,input{font-family:inherit}
    ::selection{background:rgba(62,124,191,.18);color:var(--primary-dark)}

    .container-xl{max-width:1220px}
    .section{padding:var(--section) 0}
    .section-sm{padding:66px 0}
    .section-title{
      font-size:32px;
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.02em;
      margin:0 0 14px;
      color:var(--text-main);
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:700;
      margin-bottom:14px;
    }
    .section-kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(200,107,142,.12);
    }
    .section-desc{
      color:var(--text-muted);
      margin:0;
      max-width:720px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(255,253,251,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,236,243,.86);
      box-shadow:0 8px 24px rgba(38,76,118,.05);
    }
    .brand-row{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:20px;
      padding:14px 0 12px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      min-width:260px;
    }
    .logo-mark{
      display:inline-flex;
      width:42px;
      height:42px;
      border-radius:16px;
      background:
        radial-gradient(circle at 70% 28%, rgba(255,255,255,.92) 0 10%, transparent 11%),
        linear-gradient(135deg,var(--primary) 0%,#75A7D8 55%,var(--accent) 100%);
      box-shadow:0 12px 28px rgba(62,124,191,.22);
      position:relative;
      flex:0 0 auto;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      left:16px;
      top:12px;
      width:0;
      height:0;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      border-left:13px solid rgba(255,255,255,.9);
      filter:drop-shadow(0 2px 3px rgba(29,39,51,.12));
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--primary-dark)}
    .brand-sub{font-size:12px;color:var(--text-muted);margin-top:4px}
    .top-search{
      flex:1 1 auto;
      max-width:480px;
      margin-left:auto;
      display:flex;
      align-items:center;
      padding:5px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .top-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      padding:9px 14px;
      color:var(--text-main);
      font-size:14px;
    }
    .top-search input::placeholder{color:#98A2B3}
    .top-search:focus-within{
      border-color:rgba(62,124,191,.55);
      box-shadow:0 0 0 4px rgba(62,124,191,.10);
    }
    .search-btn{
      border:0;
      border-radius:999px;
      padding:9px 18px;
      background:var(--primary);
      color:#fff;
      font-size:14px;
      font-weight:700;
      transition:all .22s ease;
    }
    .search-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
    .age-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      white-space:nowrap;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(139,92,246,.1);
      color:#6D43C8;
      font-size:13px;
      font-weight:700;
      border:1px solid rgba(139,92,246,.16);
    }
    .nav-row{
      border-top:1px solid rgba(229,236,243,.72);
      padding:9px 0;
    }
    .navbar{padding:0;width:100%}
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:12px;
      padding:8px 10px;
      background:#fff;
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(62,124,191,.12)}
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav-link-custom{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:8px 14px;
      border-radius:999px;
      color:#344054;
      font-size:14px;
      font-weight:700;
    }
    .nav-link-custom:hover{
      background:var(--primary-soft);
      color:var(--primary-dark);
    }
    .nav-link-custom.active{
      background:var(--primary);
      color:#fff;
      box-shadow:0 10px 24px rgba(62,124,191,.18);
    }
    .trend-wrap{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      flex-wrap:wrap;
    }
    .trend-label{
      font-size:13px;
      font-weight:800;
      color:var(--accent);
      margin-right:2px;
    }
    .trend-tag{
      display:inline-flex;
      padding:6px 11px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--text-muted);
      font-size:13px;
      font-weight:650;
    }
    .trend-tag:hover{
      color:var(--primary-dark);
      border-color:rgba(62,124,191,.32);
      background:var(--primary-soft);
    }

    .page-hero{
      padding:72px 0 58px;
      position:relative;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(229,236,243,.9);
      border-radius:32px;
      background:
        radial-gradient(circle at 8% 18%, rgba(200,107,142,.16), transparent 30%),
        radial-gradient(circle at 84% 6%, rgba(62,124,191,.20), transparent 28%),
        linear-gradient(135deg,#FFFFFF 0%,#F2F7FC 62%,#FFF4F0 100%);
      box-shadow:var(--shadow-md);
      padding:42px;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      right:-60px;
      bottom:-90px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(200,107,142,.12);
      filter:blur(2px);
    }
    .hero-content{position:relative;z-index:1}
    .hero-badges{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:18px;
    }
    .soft-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:750;
      border:1px solid rgba(229,236,243,.9);
      background:rgba(255,255,255,.72);
      color:var(--primary-dark);
    }
    .soft-badge.accent{color:#A34F70;background:rgba(252,235,241,.86)}
    .page-hero h1{
      font-size:42px;
      line-height:1.18;
      letter-spacing:-.03em;
      font-weight:850;
      margin:0 0 18px;
      color:var(--text-main);
    }
    .hero-lead{
      font-size:17px;
      color:var(--text-muted);
      max-width:670px;
      margin:0 0 26px;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
    }
    .btn-main,.btn-ghost,.btn-accent{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:12px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-size:15px;
      font-weight:800;
      transition:all .22s ease;
    }
    .btn-main{
      background:var(--primary);
      color:#fff;
      box-shadow:0 12px 26px rgba(62,124,191,.20);
    }
    .btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
    .btn-ghost{
      background:#fff;
      color:var(--primary-dark);
      border-color:rgba(62,124,191,.22);
    }
    .btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px)}
    .btn-accent{
      color:#fff;
      background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);
      box-shadow:0 12px 26px rgba(200,107,142,.18);
    }
    .btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
    .hero-aside{
      position:relative;
      z-index:1;
      height:100%;
      min-height:360px;
      display:flex;
      align-items:center;
    }
    .stat-card{
      width:100%;
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(229,236,243,.92);
      box-shadow:var(--shadow-md);
    }
    .stat-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:18px;
      gap:12px;
    }
    .stat-head h2{
      font-size:19px;
      font-weight:800;
      margin:0;
    }
    .stat-head span{
      font-size:12px;
      color:#6D43C8;
      background:rgba(139,92,246,.1);
      border-radius:999px;
      padding:6px 10px;
      font-weight:800;
    }
    .mini-meter{
      padding:15px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--border);
      margin-bottom:12px;
    }
    .meter-row{
      display:flex;
      justify-content:space-between;
      font-size:14px;
      font-weight:750;
      margin-bottom:9px;
    }
    .meter-row small{color:var(--text-muted);font-weight:700}
    .meter-track{
      height:8px;
      border-radius:999px;
      background:#EDF2F7;
      overflow:hidden;
    }
    .meter-fill{
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),#86B5E0,var(--accent));
    }
    .advice-list{
      list-style:none;
      padding:0;
      margin:14px 0 0;
      display:grid;
      gap:10px;
    }
    .advice-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--text-muted);
      font-size:14px;
    }
    .advice-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      margin-top:9px;
      background:var(--primary);
      box-shadow:0 0 0 4px rgba(62,124,191,.12);
      flex:0 0 auto;
    }

    .filter-band{
      margin-top:-22px;
      position:relative;
      z-index:5;
    }
    .filter-card{
      padding:20px 22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-md);
    }
    .filter-title{
      font-size:15px;
      font-weight:850;
      color:var(--primary-dark);
      margin:0 0 14px;
    }
    .tag-scroll{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .filter-tag{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid var(--border);
      background:#fff;
      color:#344054;
      font-size:14px;
      font-weight:750;
      cursor:default;
      transition:all .22s ease;
    }
    .filter-tag:hover{background:var(--primary-soft);border-color:rgba(62,124,191,.35);color:var(--primary-dark);transform:translateY(-1px)}
    .filter-tag.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(62,124,191,.16)}
    .filter-tag.pink{background:var(--accent-soft);color:#A34F70;border-color:rgba(200,107,142,.16)}

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:28px;
      align-items:start;
    }
    .topic-list{
      display:grid;
      gap:18px;
    }
    .topic-card{
      display:grid;
      grid-template-columns:150px minmax(0,1fr);
      gap:22px;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:all .22s ease;
    }
    .topic-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-lg);
      border-color:rgba(62,124,191,.28);
    }
    .topic-cover{
      min-height:150px;
      border-radius:20px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 28% 18%, rgba(255,255,255,.9), transparent 16%),
        radial-gradient(circle at 74% 70%, rgba(200,107,142,.22), transparent 30%),
        linear-gradient(135deg,#DDECF8 0%,#F9ECF1 100%);
    }
    .topic-cover::before{
      content:"";
      position:absolute;
      width:74px;
      height:74px;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.72);
      left:26px;
      top:26px;
      background:rgba(255,255,255,.36);
      transform:rotate(-10deg);
    }
    .topic-cover::after{
      content:"";
      position:absolute;
      right:24px;
      bottom:24px;
      width:0;
      height:0;
      border-top:16px solid transparent;
      border-bottom:16px solid transparent;
      border-left:23px solid rgba(36,92,145,.72);
      filter:drop-shadow(0 8px 12px rgba(36,92,145,.18));
    }
    .topic-cover.cover-blue{background:linear-gradient(135deg,#D9EAF8 0%,#EEF7FD 48%,#FFE9E2 100%)}
    .topic-cover.cover-pink{background:linear-gradient(135deg,#FCEBF1 0%,#FFFFFF 52%,#DDECF8 100%)}
    .topic-cover.cover-violet{background:linear-gradient(135deg,#EEE9FF 0%,#F5FAFF 52%,#FFE9E2 100%)}
    .topic-body{min-width:0}
    .card-meta{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:10px;
    }
    .mini-badge{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      background:var(--primary-soft);
      color:var(--primary-dark);
    }
    .mini-badge.pink{background:var(--accent-soft);color:#A34F70}
    .mini-time{font-size:13px;color:#98A2B3;font-weight:700}
    .topic-card h3{
      margin:0 0 8px;
      font-size:21px;
      line-height:1.36;
      font-weight:850;
      letter-spacing:-.01em;
    }
    .topic-card p{
      margin:0 0 14px;
      color:var(--text-muted);
      font-size:15px;
      line-height:1.72;
    }
    .keyword-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:15px;
    }
    .keyword-chip{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      background:#FAFBFD;
      border:1px solid var(--border);
      color:#667085;
      font-size:12px;
      font-weight:700;
    }
    .topic-link{
      color:var(--primary-dark);
      font-size:14px;
      font-weight:850;
      text-underline-offset:4px;
    }
    .topic-link:hover{text-decoration:underline;color:var(--primary)}

    .side-stack{
      display:grid;
      gap:18px;
      position:sticky;
      top:158px;
    }
    .side-card{
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .side-card h3{
      font-size:18px;
      font-weight:850;
      margin:0 0 16px;
      color:var(--text-main);
    }
    .rank-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .rank-list li a{
      display:grid;
      grid-template-columns:34px minmax(0,1fr);
      gap:11px;
      padding:11px;
      border-radius:16px;
      border:1px solid transparent;
    }
    .rank-list li a:hover{
      background:var(--primary-soft);
      border-color:rgba(62,124,191,.18);
    }
    .rank-num{
      width:34px;
      height:34px;
      border-radius:13px;
      background:#F3F7FB;
      color:var(--primary-dark);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      font-size:14px;
    }
    .rank-list li:nth-child(1) .rank-num{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff}
    .rank-title{
      display:block;
      font-size:14px;
      font-weight:800;
      line-height:1.45;
      color:var(--text-main);
    }
    .rank-desc{
      display:block;
      font-size:12px;
      color:var(--text-muted);
      margin-top:3px;
      line-height:1.45;
    }
    .tips-box{
      border-radius:18px;
      padding:16px;
      background:linear-gradient(135deg,var(--primary-soft),#fff);
      border:1px solid rgba(62,124,191,.13);
      color:var(--text-muted);
      font-size:14px;
    }
    .tips-box strong{display:block;color:var(--primary-dark);font-size:15px;margin-bottom:6px}
    .side-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .side-tags a{
      display:inline-flex;
      padding:7px 10px;
      border-radius:999px;
      background:#FAFBFD;
      border:1px solid var(--border);
      color:#667085;
      font-size:12px;
      font-weight:750;
    }
    .side-tags a:hover{background:var(--accent-soft);border-color:rgba(200,107,142,.18);color:#A34F70}

    .guide-strip{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .guide-main,.guide-mini{
      border-radius:26px;
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .guide-main{
      padding:30px;
      background:
        radial-gradient(circle at 92% 18%, rgba(200,107,142,.12), transparent 28%),
        linear-gradient(135deg,#FFFFFF 0%,#F4F9FD 100%);
    }
    .guide-main h3{
      font-size:24px;
      font-weight:850;
      margin:0 0 10px;
    }
    .guide-main p{color:var(--text-muted);margin:0 0 22px}
    .guide-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .guide-point{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(229,236,243,.9);
    }
    .guide-point b{display:block;font-size:14px;color:var(--primary-dark);margin-bottom:4px}
    .guide-point span{font-size:13px;color:var(--text-muted);line-height:1.5}
    .guide-mini{
      padding:26px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:linear-gradient(135deg,#FFFDFB 0%,#FCEBF1 100%);
    }
    .guide-mini h3{font-size:21px;font-weight:850;margin:0 0 10px}
    .guide-mini p{color:var(--text-muted);font-size:15px;margin:0 0 18px}

    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:28px;
    }
    .process-card{
      position:relative;
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:all .22s ease;
    }
    .process-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .process-no{
      display:inline-flex;
      width:38px;
      height:38px;
      align-items:center;
      justify-content:center;
      border-radius:15px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:900;
      margin-bottom:16px;
    }
    .process-card h3{font-size:18px;font-weight:850;margin:0 0 8px}
    .process-card p{font-size:14px;color:var(--text-muted);margin:0}

    .faq-wrap{
      max-width:920px;
      margin:30px auto 0;
    }
    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid var(--border)!important;
      border-radius:18px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .accordion-button{
      padding:18px 22px;
      font-weight:850;
      color:var(--text-main);
      background:#fff;
      box-shadow:none!important;
      line-height:1.5;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:var(--primary-soft);
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 4px rgba(62,124,191,.10)!important;
    }
    .accordion-body{
      color:var(--text-muted);
      padding:18px 22px 22px;
      background:#fff;
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      padding:42px;
      border:1px solid rgba(229,236,243,.9);
      background:
        radial-gradient(circle at 12% 22%, rgba(200,107,142,.17), transparent 26%),
        radial-gradient(circle at 88% 40%, rgba(62,124,191,.18), transparent 30%),
        linear-gradient(135deg,#FFFFFF 0%,#EDF6FD 65%,#FFF4F0 100%);
      box-shadow:var(--shadow-md);
    }
    .cta-panel h2{
      font-size:31px;
      line-height:1.28;
      font-weight:850;
      margin:0 0 12px;
    }
    .cta-panel p{
      color:var(--text-muted);
      margin:0;
      max-width:720px;
    }
    .cta-actions{
      display:flex;
      justify-content:flex-end;
      gap:12px;
      flex-wrap:wrap;
    }

    .site-footer{
      padding:56px 0 24px;
      background:linear-gradient(180deg,#F4F8FC 0%,#EEF4FA 100%);
      border-top:1px solid var(--border);
      color:var(--text-muted);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .footer-title{
      font-size:19px;
      font-weight:850;
      color:var(--primary-dark);
    }
    .footer-desc{
      max-width:640px;
      margin:0;
      color:var(--text-muted);
      font-size:15px;
    }
    .footer-col h4{
      font-size:16px;
      font-weight:850;
      margin:0 0 14px;
      color:var(--text-main);
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--text-muted);
      font-size:14px;
      font-weight:650;
    }
    .footer-links a:hover{color:var(--primary-dark);padding-left:3px}
    .footer-bottom{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(229,236,243,.9);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      font-size:13px;
      color:#7A8699;
    }

    @media (max-width:1199px){
      .brand-row{gap:14px}
      .brand-logo{min-width:238px}
      .content-layout{grid-template-columns:minmax(0,1fr) 310px}
      .topic-card{grid-template-columns:130px minmax(0,1fr)}
      .process-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      :root{--section:68px}
      .brand-row{
        display:grid;
        grid-template-columns:1fr auto;
      }
      .top-search{
        grid-column:1 / -1;
        order:3;
        max-width:none;
        width:100%;
        margin-left:0;
      }
      .age-pill{justify-self:end}
      .nav-row{padding:8px 0}
      .nav-menu{padding:14px 0 8px}
      .trend-wrap{justify-content:flex-start;padding:8px 0 10px}
      .page-hero{padding:52px 0 44px}
      .hero-panel{padding:30px}
      .page-hero h1{font-size:34px}
      .hero-aside{min-height:auto;margin-top:28px}
      .content-layout{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:repeat(2,1fr)}
      .guide-strip{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start;margin-top:22px}
    }
    @media (max-width:767px){
      .section-title{font-size:27px}
      .brand-logo{min-width:0}
      .brand-name{font-size:18px}
      .brand-sub{display:none}
      .logo-mark{width:38px;height:38px;border-radius:14px}
      .age-pill{font-size:12px;padding:8px 10px}
      .top-search{border-radius:18px}
      .search-btn{padding:8px 14px}
      .page-hero h1{font-size:30px}
      .hero-panel{padding:24px;border-radius:26px}
      .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
      .filter-card{padding:18px}
      .tag-scroll{
        flex-wrap:nowrap;
        overflow-x:auto;
        padding-bottom:4px;
        scrollbar-width:none;
      }
      .tag-scroll::-webkit-scrollbar{display:none}
      .filter-tag{white-space:nowrap}
      .topic-card{
        grid-template-columns:1fr;
        padding:18px;
      }
      .topic-cover{min-height:128px}
      .side-stack{grid-template-columns:1fr}
      .guide-points{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
      .cta-panel{padding:28px;border-radius:26px}
      .cta-panel h2{font-size:26px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      :root{--section:56px}
      body{font-size:15px}
      .brand-row{min-height:auto;padding:12px 0}
      .brand-logo{gap:9px}
      .top-search input{padding:8px 10px;font-size:13px}
      .nav-link-custom{width:100%;justify-content:center}
      .trend-wrap{
        flex-wrap:nowrap;
        overflow-x:auto;
        scrollbar-width:none;
      }
      .trend-wrap::-webkit-scrollbar{display:none}
      .trend-label,.trend-tag{white-space:nowrap}
      .page-hero{padding:40px 0 36px}
      .page-hero h1{font-size:28px}
      .hero-lead{font-size:15px}
      .hero-panel{padding:20px}
      .stat-card{padding:18px}
      .btn-main,.btn-ghost,.btn-accent{width:100%;min-height:46px}
      .topic-card h3{font-size:19px}
      .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
    }

/* roulang page: category2 */
:root{
      --primary:#3E7CBF;
      --primary-dark:#245C91;
      --primary-soft:#EAF3FC;
      --accent:#C86B8E;
      --accent-soft:#FCEAF1;
      --peach:#FFE9E2;
      --violet:#8B5CF6;
      --bg:#F6F9FC;
      --bg-warm:#FFFDFB;
      --bg-soft:#FAFBFD;
      --card:#FFFFFF;
      --text-main:#1D2733;
      --text-muted:#667085;
      --text-light:#8A96A8;
      --border:#E5ECF3;
      --border-strong:#D7E2EE;
      --shadow-sm:0 4px 14px rgba(38,76,118,.05);
      --shadow:0 12px 35px rgba(38,76,118,.08);
      --shadow-hover:0 18px 42px rgba(38,76,118,.12);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --section:88px;
      --ease:all .25s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans SC",Arial,sans-serif;
      color:var(--text-main);
      background:
        radial-gradient(circle at 12% 8%, rgba(200,107,142,.10), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(62,124,191,.12), transparent 34%),
        linear-gradient(180deg,#FFFDFB 0%,#F6F9FC 42%,#FAFBFD 100%);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary-dark)}
    img,svg{max-width:100%;display:block}
    button,input{font-family:inherit}
    ::selection{background:rgba(62,124,191,.18);color:var(--primary-dark)}

    .container-xl{max-width:1220px}
    .section{padding:var(--section) 0}
    .section-tight{padding:68px 0}
    .section-title{
      font-size:clamp(26px,3vw,34px);
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.02em;
      margin:0 0 14px;
      color:var(--text-main);
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      font-weight:700;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(62,124,191,.16);
      padding:7px 12px;
      border-radius:999px;
      margin-bottom:14px;
    }
    .section-kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(200,107,142,.12);
    }
    .section-desc{
      margin:0;
      color:var(--text-muted);
      font-size:16px;
      max-width:760px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,253,251,.92);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(229,236,243,.9);
      box-shadow:0 8px 28px rgba(38,76,118,.06);
    }
    .brand-row{
      display:flex;
      align-items:center;
      gap:18px;
      padding:14px 0 11px;
      border-bottom:1px solid rgba(229,236,243,.72);
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:245px;
    }
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      position:relative;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 70% 25%, rgba(255,255,255,.82) 0 10%, transparent 11%),
        linear-gradient(135deg,var(--primary) 0%,#79A9D7 54%,var(--accent) 100%);
      box-shadow:0 12px 24px rgba(62,124,191,.22);
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      left:16px;
      top:13px;
      width:0;
      height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:12px solid rgba(255,255,255,.95);
      filter:drop-shadow(0 2px 4px rgba(36,92,145,.16));
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-weight:800;font-size:18px;color:var(--primary-dark);letter-spacing:-.01em}
    .brand-sub{font-size:12px;color:var(--text-muted);margin-top:3px}
    .top-search{
      flex:1;
      display:flex;
      align-items:center;
      min-width:240px;
      max-width:520px;
      margin-left:auto;
      background:#fff;
      border:1px solid var(--border);
      border-radius:999px;
      padding:5px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .top-search:focus-within{
      border-color:rgba(62,124,191,.45);
      box-shadow:0 0 0 4px rgba(62,124,191,.10);
    }
    .top-search input{
      flex:1;
      border:0;
      outline:0;
      background:transparent;
      padding:9px 14px;
      color:var(--text-main);
      font-size:14px;
      min-width:0;
    }
    .top-search input::placeholder{color:#9AA6B7}
    .search-btn{
      border:0;
      border-radius:999px;
      background:var(--primary);
      color:#fff;
      font-size:14px;
      font-weight:700;
      padding:9px 17px;
      transition:var(--ease);
    }
    .search-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
    .age-pill{
      display:inline-flex;
      align-items:center;
      white-space:nowrap;
      border-radius:999px;
      padding:9px 13px;
      color:#6845C9;
      background:rgba(139,92,246,.10);
      border:1px solid rgba(139,92,246,.18);
      font-size:13px;
      font-weight:700;
    }
    .nav-row{padding:9px 0}
    .navbar{padding:0;width:100%}
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:12px;
      padding:8px 10px;
      background:#fff;
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(62,124,191,.12)}
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav-link-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:8px 14px;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
      color:var(--text-muted);
      border:1px solid transparent;
    }
    .nav-link-custom:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:rgba(62,124,191,.12);
    }
    .nav-link-custom.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 10px 22px rgba(62,124,191,.18);
    }
    .trend-wrap{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      flex-wrap:wrap;
    }
    .trend-label{
      color:var(--text-light);
      font-size:13px;
      font-weight:700;
    }
    .trend-tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--text-muted);
      font-size:12px;
      font-weight:700;
    }
    .trend-tag:hover{
      color:var(--accent);
      background:var(--accent-soft);
      border-color:rgba(200,107,142,.18);
      transform:translateY(-1px);
    }

    .btn-modern{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      border-radius:999px;
      padding:12px 22px;
      font-weight:800;
      font-size:15px;
      border:1px solid transparent;
      transition:var(--ease);
      cursor:pointer;
    }
    .btn-primary-soft{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 14px 28px rgba(62,124,191,.22);
    }
    .btn-primary-soft:hover{
      color:#fff;
      transform:translateY(-3px);
      box-shadow:0 18px 36px rgba(62,124,191,.28);
    }
    .btn-outline-soft{
      color:var(--primary-dark);
      background:#fff;
      border-color:rgba(62,124,191,.22);
      box-shadow:var(--shadow-sm);
    }
    .btn-outline-soft:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:rgba(62,124,191,.38);
      transform:translateY(-2px);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      font-size:12px;
      font-weight:800;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(62,124,191,.14);
    }
    .tag.pink{color:#A84E73;background:var(--accent-soft);border-color:rgba(200,107,142,.16)}
    .tag.peach{color:#A46355;background:var(--peach);border-color:rgba(248,217,208,.9)}
    .tag.violet{color:#6845C9;background:rgba(139,92,246,.10);border-color:rgba(139,92,246,.18)}

    .guide-hero{
      padding:62px 0 46px;
      position:relative;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      background:
        radial-gradient(circle at 8% 12%, rgba(200,107,142,.16), transparent 30%),
        radial-gradient(circle at 92% 20%, rgba(62,124,191,.18), transparent 34%),
        linear-gradient(135deg,#FFFFFF 0%,#F4F9FD 52%,#FFF7F3 100%);
      border:1px solid rgba(229,236,243,.92);
      box-shadow:var(--shadow);
      padding:42px;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      right:-70px;
      top:-70px;
      width:210px;
      height:210px;
      border-radius:50%;
      background:rgba(200,107,142,.10);
      border:1px solid rgba(200,107,142,.10);
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      left:48%;
      bottom:-88px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(62,124,191,.08);
    }
    .hero-content,.safety-card{position:relative;z-index:2}
    .hero-eyebrow{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:18px;
    }
    h1{
      font-size:clamp(30px,4vw,46px);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:800;
      color:var(--text-main);
      margin:0 0 18px;
    }
    .hero-lead{
      font-size:17px;
      color:var(--text-muted);
      max-width:680px;
      margin:0 0 26px;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-bottom:24px;
    }
    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--text-muted);
      font-size:14px;
    }
    .note-item{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      background:rgba(255,255,255,.74);
      border:1px solid rgba(229,236,243,.86);
      border-radius:999px;
    }
    .dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
    }
    .safety-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(229,236,243,.95);
      border-radius:24px;
      padding:24px;
      box-shadow:0 18px 42px rgba(38,76,118,.09);
    }
    .safety-card h2{
      font-size:20px;
      font-weight:800;
      margin:0 0 16px;
      color:var(--primary-dark);
    }
    .check-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:11px;
      align-items:flex-start;
      padding:13px;
      border-radius:16px;
      background:linear-gradient(135deg,#fff,#F7FBFF);
      border:1px solid rgba(229,236,243,.88);
      color:var(--text-muted);
      font-size:14px;
    }
    .check-icon{
      width:24px;
      height:24px;
      border-radius:50%;
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      font-size:13px;
      font-weight:900;
    }

    .timeline-wrap{
      position:relative;
      margin-top:34px;
    }
    .timeline-wrap::before{
      content:"";
      position:absolute;
      top:20px;
      bottom:20px;
      left:29px;
      width:2px;
      background:linear-gradient(180deg,rgba(62,124,191,.22),rgba(200,107,142,.18));
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:60px 1fr;
      gap:18px;
      margin-bottom:18px;
    }
    .timeline-num{
      position:relative;
      z-index:2;
      width:60px;
      height:60px;
      border-radius:20px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-size:18px;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),#79A9D7);
      box-shadow:0 12px 24px rgba(62,124,191,.18);
    }
    .timeline-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      padding:24px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .timeline-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(62,124,191,.22);
    }
    .timeline-card h3{
      font-size:20px;
      line-height:1.35;
      font-weight:800;
      margin:0 0 8px;
    }
    .timeline-card p{
      margin:0;
      color:var(--text-muted);
    }

    .matrix-section{
      background:linear-gradient(180deg,rgba(255,255,255,.35),rgba(234,243,252,.48));
      border-top:1px solid rgba(229,236,243,.74);
      border-bottom:1px solid rgba(229,236,243,.74);
    }
    .guide-feature-card{
      height:100%;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 92% 10%, rgba(200,107,142,.14), transparent 28%),
        linear-gradient(135deg,#fff,#F5FAFF);
      border:1px solid var(--border);
      border-radius:26px;
      padding:30px;
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .guide-feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .guide-feature-card h3{
      font-size:25px;
      line-height:1.28;
      font-weight:800;
      margin:14px 0 12px;
    }
    .guide-feature-card p{color:var(--text-muted);margin:0 0 22px}
    .mini-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:24px;
    }
    .mini-stat{
      border-radius:18px;
      border:1px solid rgba(229,236,243,.86);
      background:rgba(255,255,255,.76);
      padding:14px;
      text-align:center;
    }
    .mini-stat strong{
      display:block;
      color:var(--primary-dark);
      font-size:22px;
      line-height:1.1;
      font-weight:900;
    }
    .mini-stat span{
      color:var(--text-muted);
      font-size:12px;
      font-weight:700;
    }
    .matrix-card{
      height:100%;
      border:1px solid var(--border);
      border-radius:22px;
      padding:24px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .matrix-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(62,124,191,.25);
    }
    .matrix-icon{
      width:48px;
      height:48px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      margin-bottom:16px;
    }
    .matrix-card h3{
      font-size:19px;
      font-weight:800;
      margin:0 0 9px;
    }
    .matrix-card p{
      margin:0 0 16px;
      color:var(--text-muted);
      font-size:15px;
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary-dark);
      font-size:14px;
      font-weight:800;
    }
    .card-link:hover{gap:10px;color:var(--accent)}

    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      margin-top:34px;
    }
    .compare-card{
      border-radius:26px;
      padding:30px;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      height:100%;
    }
    .compare-card.messy{
      background:linear-gradient(135deg,#fff,#F7F8FA);
    }
    .compare-card.orderly{
      background:
        radial-gradient(circle at 92% 4%, rgba(62,124,191,.16), transparent 30%),
        linear-gradient(135deg,#FFFFFF,#EFF7FF);
      border-color:rgba(62,124,191,.18);
    }
    .compare-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .compare-head h3{
      margin:0;
      font-size:22px;
      font-weight:900;
    }
    .compare-badge{
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:800;
      color:var(--text-muted);
      background:#fff;
      border:1px solid var(--border);
      white-space:nowrap;
    }
    .compare-card.orderly .compare-badge{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:rgba(62,124,191,.18);
    }
    .compare-list{
      padding:0;
      margin:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .compare-list li{
      display:flex;
      gap:11px;
      align-items:flex-start;
      color:var(--text-muted);
      background:rgba(255,255,255,.74);
      border:1px solid rgba(229,236,243,.8);
      border-radius:16px;
      padding:13px;
    }
    .mark{
      width:22px;
      height:22px;
      border-radius:50%;
      flex:0 0 auto;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:12px;
      font-weight:900;
    }
    .messy .mark{background:#EEF1F5;color:#7A8594}
    .orderly .mark{background:var(--primary);color:#fff}

    .scenario-card{
      height:100%;
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:26px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .scenario-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
    }
    .quote-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--accent);
      background:var(--accent-soft);
      font-size:24px;
      font-weight:900;
      margin-bottom:16px;
    }
    .scenario-card h3{
      font-size:19px;
      font-weight:800;
      margin:0 0 10px;
    }
    .scenario-card p{
      color:var(--text-muted);
      margin:0 0 16px;
    }
    .scenario-user{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--text-light);
      font-size:13px;
      font-weight:800;
    }
    .avatar-dot{
      width:30px;
      height:30px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));
      border:1px solid var(--border);
      position:relative;
    }
    .avatar-dot::after{
      content:"";
      position:absolute;
      inset:9px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      opacity:.55;
    }

    .tips-band{
      border-radius:28px;
      border:1px solid var(--border);
      background:
        radial-gradient(circle at 10% 0%, rgba(200,107,142,.13), transparent 32%),
        linear-gradient(135deg,#fff,#F4F9FD);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .tips-list{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:24px;
    }
    .tip-item{
      border-radius:20px;
      padding:18px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(229,236,243,.86);
    }
    .tip-item strong{
      display:block;
      font-size:16px;
      margin-bottom:7px;
      color:var(--text-main);
    }
    .tip-item span{
      display:block;
      font-size:14px;
      line-height:1.6;
      color:var(--text-muted);
    }

    .faq-wrap{
      margin-top:34px;
    }
    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid var(--border)!important;
      border-radius:18px!important;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
      background:#fff;
    }
    .accordion-button{
      padding:19px 22px;
      font-weight:800;
      color:var(--text-main);
      background:#fff;
      box-shadow:none!important;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:linear-gradient(135deg,var(--primary-soft),#fff);
    }
    .accordion-button:focus{
      box-shadow:0 0 0 4px rgba(62,124,191,.10)!important;
      border-color:transparent;
    }
    .accordion-body{
      padding:0 22px 20px;
      color:var(--text-muted);
      background:linear-gradient(180deg,#fff,#FAFCFE);
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      padding:42px;
      background:
        radial-gradient(circle at 90% 10%, rgba(200,107,142,.18), transparent 28%),
        radial-gradient(circle at 10% 80%, rgba(62,124,191,.17), transparent 34%),
        linear-gradient(135deg,#F4F9FD 0%,#FFFFFF 55%,#FFF4EF 100%);
      border:1px solid rgba(229,236,243,.95);
      box-shadow:var(--shadow);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:36px;
      bottom:28px;
      width:92px;
      height:92px;
      border-radius:28px;
      transform:rotate(12deg);
      background:linear-gradient(135deg,rgba(62,124,191,.12),rgba(200,107,142,.12));
      border:1px solid rgba(255,255,255,.8);
    }
    .cta-panel h2{
      position:relative;
      z-index:2;
      font-size:clamp(25px,3vw,36px);
      line-height:1.25;
      font-weight:900;
      margin:0 0 12px;
    }
    .cta-panel p{
      position:relative;
      z-index:2;
      color:var(--text-muted);
      margin:0 0 24px;
      max-width:780px;
    }
    .cta-actions{
      position:relative;
      z-index:2;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    .site-footer{
      margin-top:20px;
      padding:56px 0 28px;
      background:linear-gradient(180deg,#F4F8FC 0%,#EEF4FA 100%);
      border-top:1px solid var(--border);
      color:var(--text-muted);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer-title{
      font-size:20px;
      font-weight:900;
      color:var(--primary-dark);
    }
    .footer-desc{
      max-width:620px;
      margin:0;
      color:var(--text-muted);
      font-size:15px;
    }
    .footer-col h4{
      font-size:15px;
      font-weight:900;
      color:var(--text-main);
      margin:0 0 14px;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--text-muted);
      font-size:14px;
      font-weight:650;
    }
    .footer-links a:hover{
      color:var(--primary-dark);
      padding-left:4px;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:36px;
      padding-top:20px;
      border-top:1px solid rgba(215,226,238,.9);
      color:var(--text-light);
      font-size:13px;
    }

    @media (max-width:1199.98px){
      :root{--section:76px}
      .brand-row{gap:12px}
      .brand-logo{min-width:225px}
      .trend-wrap{justify-content:flex-start}
      .hero-panel{padding:34px}
      .tips-list{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991.98px){
      :root{--section:64px}
      .brand-row{
        flex-wrap:wrap;
        align-items:flex-start;
      }
      .brand-logo{min-width:auto}
      .top-search{
        order:3;
        flex-basis:100%;
        max-width:none;
        margin-left:0;
      }
      .age-pill{margin-left:auto}
      .navbar-collapse{
        padding-top:12px;
      }
      .nav-menu{
        padding:10px;
        background:#fff;
        border:1px solid var(--border);
        border-radius:18px;
        box-shadow:var(--shadow-sm);
      }
      .nav-link-custom{
        width:100%;
        justify-content:flex-start;
      }
      .trend-wrap{
        margin-top:10px;
        padding:10px;
        background:#fff;
        border:1px solid var(--border);
        border-radius:18px;
      }
      .hero-panel{padding:28px}
      .safety-card{margin-top:24px}
      .compare-grid{grid-template-columns:1fr}
      .mini-stats{grid-template-columns:1fr 1fr 1fr}
    }
    @media (max-width:767.98px){
      :root{--section:56px}
      body{line-height:1.68}
      .brand-name{font-size:16px}
      .brand-sub{font-size:11px}
      .logo-mark{width:38px;height:38px;border-radius:14px}
      .age-pill{font-size:12px;padding:7px 10px}
      .guide-hero{padding:36px 0 28px}
      .hero-panel{
        border-radius:24px;
        padding:24px 20px;
      }
      h1{font-size:30px}
      .hero-lead{font-size:16px}
      .hero-actions .btn-modern,.cta-actions .btn-modern{
        width:100%;
      }
      .timeline-wrap::before{left:22px}
      .timeline-item{
        grid-template-columns:44px 1fr;
        gap:14px;
      }
      .timeline-num{
        width:44px;
        height:44px;
        border-radius:15px;
        font-size:15px;
      }
      .timeline-card{padding:20px}
      .tips-list{grid-template-columns:1fr}
      .compare-card,.cta-panel,.tips-band{padding:24px 20px;border-radius:24px}
      .mini-stats{grid-template-columns:1fr}
      .section-title{font-size:26px}
    }
    @media (max-width:575.98px){
      .container-xl{padding-left:18px;padding-right:18px}
      .brand-row{padding-top:11px}
      .top-search input{font-size:13px;padding-left:10px}
      .search-btn{padding:8px 13px}
      .trend-wrap{
        flex-wrap:nowrap;
        overflow-x:auto;
        scrollbar-width:none;
      }
      .trend-wrap::-webkit-scrollbar{display:none}
      .trend-label,.trend-tag{white-space:nowrap}
      .hero-note{display:grid}
      .check-list li,.compare-list li{padding:12px}
      .matrix-card,.guide-feature-card,.scenario-card{padding:21px}
      .footer-bottom{display:grid}
    }