/* roulang page: index */
:root{
      --color-bg:#f7f4ef;
      --color-bg-soft:#fffaf3;
      --color-surface:#ffffff;
      --color-surface-strong:#11131a;
      --color-primary:#8b1e3f;
      --color-primary-dark:#64142d;
      --color-primary-soft:#fff0f4;
      --color-accent:#d6a45d;
      --color-accent-soft:#fff7e9;
      --color-text:#191a22;
      --color-muted:#686b78;
      --color-light:#f3efe7;
      --color-border:#ece3d7;
      --color-border-dark:rgba(255,255,255,.14);
      --shadow-sm:0 10px 25px rgba(27,21,16,.06);
      --shadow-md:0 18px 48px rgba(31,20,24,.12);
      --shadow-lg:0 28px 70px rgba(31,20,24,.18);
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --radius-xl:38px;
      --container:1180px;
      --transition:all .24s ease;
    }

    *{
      box-sizing:border-box;
    }

    html{
      scroll-behavior:smooth;
    }

    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 2%, rgba(214,164,93,.22), transparent 28%),
        radial-gradient(circle at 88% 4%, rgba(139,30,63,.16), transparent 26%),
        linear-gradient(180deg,#fffaf3 0%,#f7f4ef 48%,#fff 100%);
      line-height:1.7;
      font-size:16px;
      overflow-x:hidden;
    }

    a{
      color:inherit;
      text-decoration:none;
      transition:var(--transition);
    }

    a:hover,
    a:focus{
      color:var(--color-primary);
    }

    img{
      max-width:100%;
      display:block;
    }

    button,
    input{
      font:inherit;
    }

    button:focus,
    a:focus,
    input:focus{
      outline:3px solid rgba(214,164,93,.35);
      outline-offset:3px;
    }

    .site-wrap{
      min-height:100vh;
    }

    .container{
      width:min(100% - 32px,var(--container));
      margin-inline:auto;
    }

    .section{
      padding:86px 0;
      position:relative;
    }

    .section-tight{
      padding:64px 0;
    }

    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(139,30,63,.14);
      border-radius:999px;
      color:var(--color-primary);
      background:rgba(255,255,255,.72);
      box-shadow:var(--shadow-sm);
      font-size:14px;
      font-weight:700;
      margin-bottom:16px;
    }

    .section-title{
      font-size:clamp(30px,4vw,48px);
      line-height:1.16;
      letter-spacing:-.04em;
      margin:0 0 14px;
      color:var(--color-text);
      font-weight:900;
    }

    .section-desc{
      margin:0;
      color:var(--color-muted);
      font-size:18px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(20px);
      background:rgba(255,250,243,.86);
      border-bottom:1px solid rgba(236,227,215,.78);
    }

    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      color:var(--color-text);
    }

    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        linear-gradient(135deg,var(--color-primary) 0%,#41101f 55%,var(--color-accent) 100%);
      box-shadow:0 12px 28px rgba(139,30,63,.25);
      flex:0 0 auto;
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      min-width:0;
    }

    .brand-title{
      font-size:17px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:310px;
    }

    .brand-sub{
      font-size:12px;
      color:var(--color-muted);
      font-weight:700;
      margin-top:4px;
    }

    .desktop-nav{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }

    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      color:#3d3f49;
      font-weight:800;
      font-size:15px;
      border:1px solid transparent;
    }

    .nav-link:hover{
      background:#fff;
      border-color:var(--color-border);
      color:var(--color-primary);
      box-shadow:var(--shadow-sm);
      transform:translateY(-1px);
    }

    .nav-link.active{
      color:var(--color-primary);
      background:var(--color-primary-soft);
      border-color:rgba(139,30,63,.18);
    }

    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
      font-weight:900;
      box-shadow:0 16px 36px rgba(139,30,63,.24);
      border:0;
      cursor:pointer;
      white-space:nowrap;
    }

    .nav-cta:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 46px rgba(139,30,63,.32);
    }

    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--color-border);
      background:#fff;
      color:var(--color-text);
      align-items:center;
      justify-content:center;
      cursor:pointer;
    }

    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }

    .mobile-menu{
      display:grid;
      gap:10px;
      padding:14px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:22px;
      box-shadow:var(--shadow-md);
    }

    .hero{
      padding:84px 0 74px;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
      gap:48px;
      align-items:center;
    }

    .hero-copy{
      position:relative;
      z-index:2;
    }

    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(139,30,63,.12);
      color:var(--color-primary);
      box-shadow:var(--shadow-sm);
      font-weight:800;
      margin-bottom:22px;
    }

    .hero h1{
      font-size:clamp(40px,6vw,72px);
      line-height:1.02;
      letter-spacing:-.06em;
      font-weight:950;
      margin:0 0 22px;
      color:var(--color-text);
    }

    .hero h1 span{
      color:var(--color-primary);
      position:relative;
      display:inline-block;
    }

    .hero h1 span::after{
      content:"";
      position:absolute;
      left:3px;
      right:3px;
      bottom:7px;
      height:12px;
      background:rgba(214,164,93,.35);
      z-index:-1;
      border-radius:999px;
    }

    .hero-lead{
      font-size:20px;
      color:#50535f;
      max-width:720px;
      margin:0 0 28px;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:28px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:50px;
      padding:0 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      cursor:pointer;
      transition:var(--transition);
      white-space:nowrap;
    }

    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),#42101f);
      box-shadow:0 18px 42px rgba(139,30,63,.28);
    }

    .btn-primary:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 24px 56px rgba(139,30,63,.34);
    }

    .btn-secondary{
      color:var(--color-text);
      background:#fff;
      border-color:var(--color-border);
      box-shadow:var(--shadow-sm);
    }

    .btn-secondary:hover{
      color:var(--color-primary);
      transform:translateY(-2px);
      box-shadow:var(--shadow-md);
    }

    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--color-muted);
      font-size:14px;
      font-weight:700;
    }

    .trust-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid var(--color-border);
    }

    .hero-panel{
      position:relative;
    }

    .premium-card{
      position:relative;
      border-radius:var(--radius-xl);
      padding:26px;
      background:
        linear-gradient(160deg,rgba(17,19,26,.98),rgba(62,20,34,.96) 62%,rgba(139,30,63,.94));
      box-shadow:var(--shadow-lg);
      color:#fff;
      overflow:hidden;
      min-height:520px;
    }

    .premium-card::before{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(214,164,93,.38),transparent 68%);
      top:-80px;
      right:-86px;
    }

    .premium-card::after{
      content:"";
      position:absolute;
      inset:1px;
      border-radius:calc(var(--radius-xl) - 1px);
      border:1px solid rgba(255,255,255,.12);
      pointer-events:none;
    }

    .card-top{
      position:relative;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:18px;
      z-index:1;
      margin-bottom:34px;
    }

    .card-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      font-size:13px;
      font-weight:800;
    }

    .age-chip{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#251207;
      background:linear-gradient(135deg,#ffe3a7,var(--color-accent));
      font-weight:950;
      box-shadow:0 12px 30px rgba(214,164,93,.25);
    }

    .preview-block{
      position:relative;
      z-index:1;
      display:grid;
      gap:16px;
    }

    .preview-title{
      font-size:28px;
      line-height:1.2;
      font-weight:950;
      margin:0;
      letter-spacing:-.03em;
    }

    .preview-desc{
      margin:0;
      color:rgba(255,255,255,.72);
    }

    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:12px;
    }

    .metric{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(12px);
    }

    .metric strong{
      display:block;
      font-size:30px;
      line-height:1;
      color:#ffe5b5;
      margin-bottom:8px;
    }

    .metric span{
      color:rgba(255,255,255,.7);
      font-size:14px;
      font-weight:700;
    }

    .mini-list{
      position:relative;
      z-index:1;
      display:grid;
      gap:12px;
      margin-top:28px;
    }

    .mini-item{
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.86);
      font-weight:700;
    }

    .mini-icon{
      width:36px;
      height:36px;
      flex:0 0 auto;
      border-radius:13px;
      display:grid;
      place-items:center;
      background:rgba(214,164,93,.18);
      color:#ffe2aa;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }

    .feature-card,
    .category-card,
    .insight-card,
    .flow-card,
    .faq-item{
      background:rgba(255,255,255,.82);
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
    }

    .feature-card:hover,
    .category-card:hover,
    .insight-card:hover,
    .flow-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:rgba(139,30,63,.2);
    }

    .feature-card{
      padding:28px;
    }

    .icon-box{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:var(--color-primary);
      background:var(--color-primary-soft);
      margin-bottom:18px;
      font-size:21px;
    }

    .feature-card h3,
    .category-card h3,
    .insight-card h3,
    .flow-card h3{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.25;
      font-weight:900;
      letter-spacing:-.02em;
    }

    .feature-card p,
    .category-card p,
    .insight-card p,
    .flow-card p{
      margin:0;
      color:var(--color-muted);
    }

    .dark-section{
      background:
        radial-gradient(circle at 85% 5%,rgba(214,164,93,.22),transparent 30%),
        linear-gradient(135deg,#11131a,#2a1220 64%,#431326);
      color:#fff;
      border-radius:42px;
      margin-inline:auto;
      width:min(100% - 32px,1240px);
      overflow:hidden;
    }

    .dark-section .section-title{
      color:#fff;
    }

    .dark-section .section-desc{
      color:rgba(255,255,255,.7);
    }

    .category-grid{
      display:grid;
      grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
      gap:24px;
      align-items:stretch;
    }

    .category-card{
      position:relative;
      padding:30px;
      background:#fff;
      overflow:hidden;
      min-height:320px;
    }

    .category-card::after{
      content:"";
      position:absolute;
      width:190px;
      height:190px;
      right:-70px;
      bottom:-70px;
      border-radius:50%;
      background:rgba(139,30,63,.08);
    }

    .category-card.featured{
      color:#fff;
      background:
        linear-gradient(135deg,rgba(139,30,63,.96),rgba(38,13,24,.98)),
        radial-gradient(circle at 80% 20%,rgba(214,164,93,.4),transparent 36%);
      border-color:rgba(255,255,255,.16);
    }

    .category-card.featured p{
      color:rgba(255,255,255,.76);
    }

    .category-card .btn{
      margin-top:24px;
    }

    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 0;
    }

    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      color:var(--color-primary);
      background:var(--color-primary-soft);
      border:1px solid rgba(139,30,63,.12);
      font-size:13px;
      font-weight:800;
    }

    .featured .tag{
      color:#ffe5b5;
      background:rgba(255,255,255,.1);
      border-color:rgba(255,255,255,.16);
    }

    .insight-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
    }

    .insight-card{
      padding:28px;
    }

    .insight-card.large{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:410px;
      background:
        linear-gradient(180deg,#ffffff 0%,#fff7ef 100%);
    }

    .recommend-list{
      display:grid;
      gap:14px;
      margin-top:22px;
    }

    .recommend-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:16px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--color-border);
    }

    .num{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      color:#fff;
      background:var(--color-primary);
      font-weight:900;
    }

    .recommend-item strong{
      display:block;
      margin-bottom:4px;
      font-size:17px;
    }

    .recommend-item span{
      display:block;
      color:var(--color-muted);
      font-size:14px;
      line-height:1.55;
    }

    .flow-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      counter-reset:flow;
    }

    .flow-card{
      position:relative;
      padding:26px;
      overflow:hidden;
    }

    .flow-card::before{
      counter-increment:flow;
      content:"0" counter(flow);
      display:inline-grid;
      place-items:center;
      width:42px;
      height:42px;
      border-radius:15px;
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
      font-weight:950;
      margin-bottom:18px;
    }

    .data-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }

    .data-card{
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.13);
    }

    .data-card strong{
      display:block;
      font-size:34px;
      line-height:1;
      color:#ffe5b5;
      margin-bottom:10px;
    }

    .data-card span{
      color:rgba(255,255,255,.72);
      font-weight:700;
    }

    .search-panel{
      padding:30px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-md);
      display:grid;
      grid-template-columns:1fr auto;
      gap:14px;
      align-items:center;
    }

    .search-field{
      position:relative;
    }

    .search-field i{
      position:absolute;
      left:18px;
      top:50%;
      transform:translateY(-50%);
      color:var(--color-muted);
    }

    .search-field input{
      width:100%;
      height:56px;
      border-radius:999px;
      border:1px solid var(--color-border);
      padding:0 20px 0 48px;
      background:#fbf8f3;
      color:var(--color-text);
      transition:var(--transition);
    }

    .search-field input:focus{
      border-color:rgba(139,30,63,.34);
      background:#fff;
      box-shadow:0 0 0 5px rgba(139,30,63,.08);
    }

    .faq-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:30px;
      align-items:start;
    }

    .faq-list{
      display:grid;
      gap:14px;
    }

    .faq-item{
      padding:22px 24px;
    }

    .faq-item h3{
      display:flex;
      align-items:flex-start;
      gap:12px;
      margin:0 0 8px;
      font-size:18px;
      font-weight:900;
      line-height:1.35;
    }

    .faq-item h3 i{
      color:var(--color-primary);
      margin-top:4px;
    }

    .faq-item p{
      margin:0;
      color:var(--color-muted);
    }

    .cta{
      padding:46px;
      border-radius:42px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 20%,rgba(214,164,93,.34),transparent 28%),
        linear-gradient(135deg,var(--color-primary),#190810 72%);
      box-shadow:var(--shadow-lg);
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:28px;
      overflow:hidden;
      position:relative;
    }

    .cta h2{
      margin:0 0 12px;
      font-size:clamp(28px,4vw,46px);
      line-height:1.14;
      letter-spacing:-.04em;
      font-weight:950;
    }

    .cta p{
      margin:0;
      color:rgba(255,255,255,.75);
      font-size:18px;
      max-width:740px;
    }

    .cta .btn-secondary{
      background:#fff;
      color:var(--color-primary);
      border-color:rgba(255,255,255,.2);
    }

    .site-footer{
      padding:58px 0 28px;
      background:#11131a;
      color:#fff;
      margin-top:70px;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:40px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }

    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:950;
      font-size:20px;
      margin-bottom:16px;
    }

    .footer-brand .brand-mark{
      box-shadow:none;
    }

    .footer-desc{
      color:rgba(255,255,255,.66);
      max-width:620px;
      margin:0;
    }

    .footer-links{
      display:flex;
      justify-content:flex-end;
      gap:12px;
      flex-wrap:wrap;
      align-content:flex-start;
    }

    .footer-links a{
      min-height:40px;
      display:inline-flex;
      align-items:center;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      color:rgba(255,255,255,.78);
      border:1px solid rgba(255,255,255,.1);
      font-weight:800;
      font-size:14px;
    }

    .footer-links a:hover{
      color:#ffe5b5;
      background:rgba(214,164,93,.1);
      border-color:rgba(214,164,93,.24);
    }

    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
      padding-top:22px;
      color:rgba(255,255,255,.52);
      font-size:14px;
      flex-wrap:wrap;
    }

    .safe-note{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#ffe5b5;
      font-weight:800;
    }

    @media (max-width:1024px){
      .hero-grid,
      .category-grid,
      .insight-grid,
      .faq-grid{
        grid-template-columns:1fr;
      }

      .hero{
        padding-top:62px;
      }

      .premium-card{
        min-height:auto;
      }

      .feature-grid{
        grid-template-columns:repeat(2,1fr);
      }

      .flow-grid,
      .data-strip{
        grid-template-columns:repeat(2,1fr);
      }

      .cta{
        grid-template-columns:1fr;
      }

      .brand-title{
        max-width:230px;
      }
    }

    @media (max-width:768px){
      .desktop-nav{
        display:none;
      }

      .mobile-toggle{
        display:flex;
      }

      .mobile-panel.is-open{
        display:block;
      }

      .nav-shell{
        min-height:68px;
      }

      .brand-title{
        max-width:190px;
        font-size:15px;
      }

      .brand-sub{
        display:none;
      }

      .section{
        padding:64px 0;
      }

      .section-tight{
        padding:48px 0;
      }

      .hero{
        padding:52px 0 54px;
      }

      .hero-lead,
      .section-desc{
        font-size:16px;
      }

      .feature-grid,
      .flow-grid,
      .data-strip{
        grid-template-columns:1fr;
      }

      .search-panel{
        grid-template-columns:1fr;
        padding:22px;
      }

      .search-panel .btn{
        width:100%;
      }

      .footer-grid{
        grid-template-columns:1fr;
      }

      .footer-links{
        justify-content:flex-start;
      }

      .dark-section{
        border-radius:30px;
      }

      .cta{
        padding:32px 24px;
        border-radius:30px;
      }
    }

    @media (max-width:520px){
      .container{
        width:min(100% - 22px,var(--container));
      }

      .hero h1{
        font-size:38px;
      }

      .hero-actions .btn{
        width:100%;
      }

      .metric-grid{
        grid-template-columns:1fr;
      }

      .premium-card{
        padding:20px;
        border-radius:28px;
      }

      .card-top{
        flex-direction:column;
      }

      .feature-card,
      .category-card,
      .insight-card,
      .flow-card,
      .faq-item{
        border-radius:24px;
        padding:22px;
      }

      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
      }
    }

/* roulang page: category1 */
:root{
      --color-bg:#090a12;
      --color-bg-soft:#101322;
      --color-card:#15192a;
      --color-card-2:#111827;
      --color-text:#f6f7fb;
      --color-muted:#a7afc2;
      --color-subtle:#747d93;
      --color-line:rgba(255,255,255,.10);
      --color-primary:#8b5cf6;
      --color-primary-2:#c084fc;
      --color-accent:#22d3ee;
      --color-warm:#fbbf24;
      --color-safe:#34d399;
      --shadow-sm:0 10px 28px rgba(0,0,0,.25);
      --shadow-md:0 18px 55px rgba(0,0,0,.36);
      --shadow-glow:0 0 0 1px rgba(139,92,246,.22),0 22px 70px rgba(139,92,246,.18);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --container:1180px;
      --ease:all .26s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 12% 4%,rgba(139,92,246,.28),transparent 36%),
        radial-gradient(circle at 88% 12%,rgba(34,211,238,.18),transparent 34%),
        linear-gradient(180deg,#090a12 0%,#0b0f1c 44%,#090a12 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(139,92,246,.42);color:#fff}
    .container{
      width:min(100% - 40px,var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(9,10,18,.78);
      backdrop-filter:blur(20px);
      border-bottom:1px solid var(--color-line);
    }
    .nav-shell{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:13px;
      min-width:0;
    }
    .brand:hover .brand-mark{
      transform:translateY(-2px) rotate(-6deg);
      box-shadow:0 16px 36px rgba(139,92,246,.32);
    }
    .brand-mark{
      width:44px;
      height:44px;
      flex:0 0 44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      box-shadow:0 12px 28px rgba(34,211,238,.18);
      transition:var(--ease);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.2;
      min-width:0;
    }
    .brand-title{
      font-size:17px;
      font-weight:850;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:340px;
    }
    .brand-sub{
      margin-top:4px;
      color:var(--color-muted);
      font-size:12px;
      letter-spacing:.04em;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      color:var(--color-muted);
      font-weight:700;
      font-size:14px;
      border:1px solid transparent;
    }
    .nav-link:hover,
    .nav-link:focus{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.10);
      outline:none;
    }
    .nav-link.active{
      color:#fff;
      background:rgba(139,92,246,.18);
      border-color:rgba(139,92,246,.38);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      color:#071018;
      font-weight:850;
      background:linear-gradient(135deg,var(--color-safe),var(--color-accent));
      box-shadow:0 12px 30px rgba(34,211,238,.18);
    }
    .nav-cta:hover,
    .nav-cta:focus{
      color:#071018;
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(52,211,153,.26);
      outline:none;
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      color:#fff;
      border:1px solid var(--color-line);
      background:rgba(255,255,255,.06);
    }
    .mobile-toggle:hover,
    .mobile-toggle:focus{
      background:rgba(139,92,246,.18);
      outline:2px solid rgba(139,92,246,.35);
      outline-offset:2px;
    }
    .mobile-panel{
      display:none;
      padding:0 0 16px;
    }
    .mobile-menu{
      display:grid;
      gap:10px;
      padding:14px;
      border:1px solid var(--color-line);
      border-radius:22px;
      background:rgba(15,18,32,.92);
      box-shadow:var(--shadow-sm);
    }

    .hero{
      position:relative;
      padding:86px 0 54px;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:34px auto auto 50%;
      width:720px;
      height:360px;
      transform:translateX(-50%);
      background:radial-gradient(circle,rgba(139,92,246,.20),transparent 68%);
      pointer-events:none;
      filter:blur(4px);
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);
      gap:34px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      color:#d9faff;
      border:1px solid rgba(34,211,238,.28);
      background:rgba(34,211,238,.10);
      border-radius:999px;
      font-weight:800;
      font-size:13px;
      letter-spacing:.03em;
      margin-bottom:18px;
    }
    h1,h2,h3,p{margin-top:0}
    .hero h1{
      font-size:clamp(36px,6vw,68px);
      line-height:1.05;
      letter-spacing:-.045em;
      margin-bottom:20px;
      font-weight:920;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 0%,#d8c8ff 42%,#8eefff 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:760px;
      color:var(--color-muted);
      font-size:18px;
      margin-bottom:28px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:50px;
      padding:0 22px;
      border-radius:999px;
      font-weight:850;
      border:1px solid transparent;
      transition:var(--ease);
    }
    .btn-primary{
      color:#080b13;
      background:linear-gradient(135deg,var(--color-primary-2),var(--color-accent));
      box-shadow:0 18px 46px rgba(139,92,246,.24);
    }
    .btn-primary:hover,
    .btn-primary:focus{
      color:#080b13;
      transform:translateY(-2px);
      box-shadow:0 24px 60px rgba(34,211,238,.28);
      outline:none;
    }
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.06);
      border-color:var(--color-line);
    }
    .btn-ghost:hover,
    .btn-ghost:focus{
      color:#fff;
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.20);
      transform:translateY(-2px);
      outline:none;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .trust-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border:1px solid var(--color-line);
      border-radius:999px;
      color:var(--color-muted);
      font-size:13px;
      background:rgba(255,255,255,.04);
    }
    .hero-panel{
      position:relative;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.04)),
        radial-gradient(circle at 80% 10%,rgba(34,211,238,.18),transparent 34%),
        rgba(17,24,39,.86);
      padding:26px;
      box-shadow:var(--shadow-glow);
      overflow:hidden;
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-90px;
      width:240px;
      height:240px;
      border-radius:50%;
      background:rgba(139,92,246,.16);
      filter:blur(8px);
    }
    .panel-top{
      position:relative;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:18px;
      margin-bottom:22px;
      z-index:1;
    }
    .panel-title{
      font-size:22px;
      font-weight:900;
      margin-bottom:6px;
    }
    .panel-desc{
      color:var(--color-muted);
      font-size:14px;
      margin:0;
    }
    .score-badge{
      flex:0 0 auto;
      width:78px;
      height:78px;
      display:grid;
      place-items:center;
      border-radius:24px;
      color:#071018;
      font-weight:920;
      font-size:25px;
      background:linear-gradient(135deg,var(--color-warm),var(--color-accent));
      box-shadow:0 16px 42px rgba(251,191,36,.18);
    }
    .check-list{
      position:relative;
      z-index:1;
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:13px;
      border-radius:17px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.08);
      color:#e9ecf6;
    }
    .check-list i{
      margin-top:4px;
      color:var(--color-safe);
    }

    .section{
      padding:58px 0;
    }
    .section-header{
      max-width:760px;
      margin-bottom:28px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:12px;
      color:var(--color-accent);
      font-weight:900;
      font-size:13px;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .section-title{
      font-size:clamp(28px,4vw,44px);
      line-height:1.15;
      font-weight:920;
      letter-spacing:-.035em;
      margin-bottom:12px;
    }
    .section-desc{
      color:var(--color-muted);
      font-size:16px;
      margin-bottom:0;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .feature-card,
    .scenario-card,
    .process-card,
    .faq-item,
    .safe-entry-card{
      border:1px solid var(--color-line);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .feature-card{
      padding:24px;
      min-height:230px;
    }
    .feature-card:hover,
    .scenario-card:hover,
    .process-card:hover{
      transform:translateY(-5px);
      border-color:rgba(139,92,246,.35);
      box-shadow:var(--shadow-md);
    }
    .icon-box{
      width:50px;
      height:50px;
      display:grid;
      place-items:center;
      border-radius:18px;
      color:#fff;
      background:rgba(139,92,246,.18);
      border:1px solid rgba(139,92,246,.26);
      margin-bottom:18px;
    }
    .feature-card:nth-child(2) .icon-box{background:rgba(34,211,238,.14);border-color:rgba(34,211,238,.26)}
    .feature-card:nth-child(3) .icon-box{background:rgba(52,211,153,.13);border-color:rgba(52,211,153,.26)}
    .feature-card h3,
    .scenario-card h3,
    .process-card h3{
      font-size:20px;
      font-weight:900;
      margin-bottom:10px;
    }
    .feature-card p,
    .scenario-card p,
    .process-card p{
      color:var(--color-muted);
      margin-bottom:0;
    }
    .split{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .insight-panel{
      padding:28px;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 20% 0%,rgba(139,92,246,.20),transparent 38%),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      border:1px solid var(--color-line);
      box-shadow:var(--shadow-sm);
    }
    .insight-number{
      display:block;
      font-size:54px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.05em;
      color:#fff;
      margin-bottom:10px;
    }
    .insight-label{
      color:var(--color-muted);
      margin-bottom:18px;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 11px;
      border-radius:999px;
      color:#dfe7ff;
      background:rgba(255,255,255,.06);
      border:1px solid var(--color-line);
      font-size:13px;
      font-weight:750;
    }
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .scenario-card{
      padding:22px;
    }
    .scenario-card .mini{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;
      height:34px;
      border-radius:12px;
      margin-bottom:14px;
      background:rgba(34,211,238,.12);
      color:var(--color-accent);
      border:1px solid rgba(34,211,238,.24);
    }
    .process-wrap{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      counter-reset:step;
    }
    .process-card{
      position:relative;
      padding:24px;
      overflow:hidden;
    }
    .process-card::before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:15px;
      color:#071018;
      font-weight:950;
      background:linear-gradient(135deg,var(--color-primary-2),var(--color-accent));
      margin-bottom:18px;
    }
    .process-card::after{
      content:"";
      position:absolute;
      inset:auto -30px -40px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:rgba(139,92,246,.10);
    }
    .safe-entry-card{
      padding:30px;
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:28px;
      align-items:center;
      background:
        radial-gradient(circle at 90% 10%,rgba(52,211,153,.18),transparent 32%),
        linear-gradient(135deg,rgba(139,92,246,.16),rgba(255,255,255,.04));
    }
    .entry-box{
      padding:22px;
      border-radius:24px;
      background:rgba(8,11,19,.56);
      border:1px solid rgba(255,255,255,.11);
    }
    .entry-box label{
      display:block;
      color:#fff;
      font-weight:850;
      margin-bottom:10px;
    }
    .entry-input{
      width:100%;
      min-height:50px;
      padding:0 15px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.13);
      color:#fff;
      background:rgba(255,255,255,.06);
      outline:none;
      transition:var(--ease);
      margin-bottom:12px;
    }
    .entry-input::placeholder{color:#798399}
    .entry-input:focus{
      border-color:rgba(34,211,238,.55);
      box-shadow:0 0 0 4px rgba(34,211,238,.12);
    }
    .hint{
      color:var(--color-muted);
      font-size:13px;
      margin:0;
    }
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      padding:0;
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:#fff;
      background:transparent;
      border:0;
      text-align:left;
      font-weight:900;
    }
    .faq-question i{
      color:var(--color-accent);
      transition:var(--ease);
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--color-muted);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question i{transform:rotate(180deg)}
    .cta-band{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 10% 0%,rgba(34,211,238,.18),transparent 35%),
        radial-gradient(circle at 96% 90%,rgba(139,92,246,.22),transparent 38%),
        linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.04));
      box-shadow:var(--shadow-md);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-band h2{
      font-size:clamp(26px,4vw,40px);
      line-height:1.18;
      font-weight:920;
      letter-spacing:-.035em;
      margin-bottom:10px;
    }
    .cta-band p{
      color:var(--color-muted);
      margin-bottom:0;
      max-width:720px;
    }

    .site-footer{
      margin-top:58px;
      padding:44px 0 30px;
      border-top:1px solid var(--color-line);
      background:rgba(6,8,14,.60);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:30px;
      align-items:start;
      margin-bottom:28px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:920;
      font-size:18px;
      margin-bottom:12px;
    }
    .footer-desc{
      max-width:580px;
      color:var(--color-muted);
      margin:0;
    }
    .footer-links{
      display:flex;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:var(--color-muted);
      border:1px solid transparent;
      font-weight:750;
    }
    .footer-links a:hover,
    .footer-links a:focus{
      color:#fff;
      border-color:var(--color-line);
      background:rgba(255,255,255,.06);
      outline:none;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      border-top:1px solid var(--color-line);
      color:var(--color-subtle);
      font-size:13px;
      flex-wrap:wrap;
    }
    .safe-note{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#a7f3d0;
    }

    @media (max-width:1024px){
      .brand-title{max-width:260px}
      .hero-grid,
      .split,
      .safe-entry-card{
        grid-template-columns:1fr;
      }
      .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .process-wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
      .cta-band{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .desktop-nav{display:none}
      .mobile-toggle{display:inline-grid;place-items:center}
      .mobile-panel.is-open{display:block}
      .mobile-menu .nav-link,
      .mobile-menu .nav-cta{
        width:100%;
        justify-content:center;
      }
      .brand-title{max-width:210px;font-size:15px}
      .brand-sub{font-size:11px}
      .hero{padding:58px 0 34px}
      .hero-actions .btn{width:100%}
      .feature-grid,
      .scenario-grid{
        grid-template-columns:1fr;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-links{
        justify-content:flex-start;
      }
    }
    @media (max-width:520px){
      .container{width:min(100% - 22px,var(--container))}
      .nav-shell{min-height:70px}
      .brand-mark{width:40px;height:40px;flex-basis:40px;border-radius:14px}
      .brand-title{max-width:172px}
      .brand-sub{display:none}
      .hero h1{font-size:34px}
      .hero-lead{font-size:16px}
      .hero-panel,
      .safe-entry-card,
      .cta-band{
        border-radius:24px;
        padding:20px;
      }
      .process-wrap{grid-template-columns:1fr}
      .panel-top{flex-direction:column}
      .score-badge{width:68px;height:68px;font-size:22px}
      .section{padding:42px 0}
      .footer-bottom{flex-direction:column}
    }