/* roulang page: index */
:root{
      --ink:#161A1D;
      --ink-soft:#252B2F;
      --text:#3A3F42;
      --muted:#747B80;
      --line:#E6E0D6;
      --bg:#F7F4EE;
      --card:#FFFFFF;
      --card-warm:#FBFAF7;
      --accent:#18C7A6;
      --accent-dark:#0EA98B;
      --accent-soft:#E7F8F4;
      --amber:#FFB454;
      --amber-soft:#FFF3DF;
      --shadow:0 10px 30px rgba(22,26,29,.08);
      --shadow-lg:0 18px 48px rgba(22,26,29,.13);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
      --nav-h:76px;
      --trans:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:var(--bg);
      line-height:1.8;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(24,199,166,.24);color:var(--ink)}
    .container{width:min(var(--container),calc(100% - 44px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--nav-h);
      background:rgba(247,244,238,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(230,224,214,.82);
      transition:box-shadow var(--trans),background var(--trans);
    }
    .site-header.is-scrolled{
      background:rgba(255,255,255,.94);
      box-shadow:0 8px 22px rgba(22,26,29,.07);
    }
    .nav-wrap{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:var(--ink);
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--ink),#30383D);
      color:var(--accent);
      box-shadow:0 10px 24px rgba(22,26,29,.18);
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;inset:auto -18px -20px auto;
      width:42px;height:42px;border-radius:50%;
      background:rgba(24,199,166,.22);
    }
    .brand-name{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:420px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:42px;
      padding:0 16px;
      border-radius:999px;
      color:var(--ink-soft);
      font-weight:650;
      font-size:15px;
      transition:background var(--trans),color var(--trans),transform var(--trans);
    }
    .nav-links a:hover,.nav-links a:focus-visible{
      background:var(--accent-soft);
      color:var(--ink);
      outline:none;
      transform:translateY(-1px);
    }
    .nav-links a.active{
      background:var(--ink);
      color:#fff;
    }
    .nav-links a.active:after{
      content:"";
      position:absolute;
      width:18px;height:3px;border-radius:999px;
      left:50%;bottom:5px;transform:translateX(-50%);
      background:var(--accent);
    }
    .menu-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--ink);
      align-items:center;
      justify-content:center;
      transition:border-color var(--trans),background var(--trans);
    }
    .menu-toggle:hover,.menu-toggle:focus-visible{border-color:rgba(24,199,166,.65);background:var(--accent-soft);outline:none}
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      display:block;width:20px;height:2px;background:var(--ink);border-radius:999px;position:relative;transition:transform var(--trans),opacity var(--trans)
    }
    .menu-toggle span:before,.menu-toggle span:after{content:"";position:absolute;left:0}
    .menu-toggle span:before{top:-7px}
    .menu-toggle span:after{top:7px}
    .mobile-open .menu-toggle span{background:transparent}
    .mobile-open .menu-toggle span:before{transform:translateY(7px) rotate(45deg)}
    .mobile-open .menu-toggle span:after{transform:translateY(-7px) rotate(-45deg)}
    main{overflow:hidden}
    .hero{
      position:relative;
      padding:88px 0 82px;
      min-height:640px;
      display:flex;
      align-items:center;
      background:
        linear-gradient(90deg,rgba(247,244,238,.98) 0%,rgba(247,244,238,.92) 44%,rgba(247,244,238,.72) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom:1px solid var(--line);
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 16%,rgba(24,199,166,.18),transparent 32%),
        radial-gradient(circle at 82% 24%,rgba(255,180,84,.13),transparent 28%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:54px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(24,199,166,.35);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--ink);
      font-weight:700;
      font-size:14px;
      box-shadow:0 8px 20px rgba(22,26,29,.04);
    }
    .status-dot{
      width:9px;height:9px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(24,199,166,.14);
      flex:0 0 auto;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:22px 0 20px;
      color:var(--ink);
      font-size:46px;
      line-height:1.18;
      letter-spacing:-.045em;
      font-weight:800;
    }
    .hero-lead{
      max-width:660px;
      color:#475055;
      font-size:18px;
      line-height:1.85;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      font-weight:750;
      transition:transform var(--trans),box-shadow var(--trans),background var(--trans),border-color var(--trans),color var(--trans);
      user-select:none;
    }
    .btn-primary{
      background:var(--accent);
      color:var(--ink);
      box-shadow:0 12px 26px rgba(24,199,166,.26);
    }
    .btn-primary:hover,.btn-primary:focus-visible{
      background:var(--accent-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(24,199,166,.32);
      outline:none;
    }
    .btn-secondary{
      background:rgba(255,255,255,.62);
      border:1px solid rgba(22,26,29,.2);
      color:var(--ink);
    }
    .btn-secondary:hover,.btn-secondary:focus-visible{
      background:var(--accent-soft);
      border-color:rgba(24,199,166,.66);
      transform:translateY(-2px);
      outline:none;
    }
    .hero-notes{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(230,224,214,.86);
      color:#566065;
      font-size:13px;
      font-weight:650;
    }
    .hero-panel{
      border-radius:28px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(230,224,214,.9);
      box-shadow:var(--shadow-lg);
      padding:24px;
      position:relative;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:14px;
      border:1px dashed rgba(24,199,166,.28);
      border-radius:22px;
      pointer-events:none;
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:8px 8px 20px;
      border-bottom:1px solid var(--line);
      position:relative;
    }
    .panel-title{
      font-weight:800;
      color:var(--ink);
      font-size:20px;
      margin:0;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:var(--amber-soft);
      color:#7A4D08;
      font-size:13px;
      font-weight:750;
      white-space:nowrap;
    }
    .status-list{display:grid;gap:14px;margin:20px 0 0;position:relative}
    .status-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:15px;
      border-radius:18px;
      border:1px solid rgba(230,224,214,.9);
      background:#fff;
      transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
    }
    .status-item:hover{
      transform:translateY(-3px);
      border-color:rgba(24,199,166,.55);
      box-shadow:var(--shadow);
    }
    .status-icon{
      width:38px;height:38px;border-radius:13px;
      display:grid;place-items:center;
      background:var(--accent-soft);
      color:var(--accent-dark);
      font-weight:900;
    }
    .status-item strong{display:block;color:var(--ink);line-height:1.35}
    .status-item small{display:block;color:var(--muted);font-size:13px;line-height:1.5;margin-top:2px}
    .mini-state{
      width:10px;height:10px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(24,199,166,.12);
    }
    .section{padding:82px 0}
    .section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:32px;
    }
    .section-kicker{
      display:inline-flex;
      margin-bottom:10px;
      color:var(--accent-dark);
      font-weight:800;
      letter-spacing:.02em;
      font-size:14px;
    }
    .section h2{
      margin:0;
      color:var(--ink);
      font-size:32px;
      line-height:1.25;
      letter-spacing:-.035em;
    }
    .section-desc{
      max-width:520px;
      margin:0;
      color:var(--muted);
      line-height:1.75;
    }
    .quick-strip{
      margin-top:-38px;
      position:relative;
      z-index:4;
    }
    .strip-card{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      border:1px solid var(--line);
      background:#fff;
      border-radius:24px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .strip-item{
      padding:22px 24px;
      border-right:1px solid var(--line);
      min-height:118px;
    }
    .strip-item:last-child{border-right:0}
    .strip-item span{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;height:34px;
      border-radius:12px;
      background:var(--accent-soft);
      color:var(--accent-dark);
      font-weight:900;
      margin-bottom:10px;
    }
    .strip-item strong{display:block;color:var(--ink);font-size:17px;margin-bottom:4px}
    .strip-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      counter-reset:step;
    }
    .step-card{
      position:relative;
      padding:24px;
      border-radius:var(--radius);
      background:var(--card);
      border:1px solid var(--line);
      box-shadow:0 8px 24px rgba(22,26,29,.04);
      transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
    }
    .step-card:hover{
      transform:translateY(-4px);
      border-color:rgba(24,199,166,.58);
      box-shadow:var(--shadow);
    }
    .step-num{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:var(--ink);
      color:var(--accent);
      font-weight:900;
      margin-bottom:18px;
    }
    .step-card h3{font-size:20px;color:var(--ink);line-height:1.35;margin:0 0 10px}
    .step-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}
    .columns-layout{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:34px;
      align-items:center;
    }
    .feature-copy{
      padding:34px;
      border-radius:26px;
      background:var(--ink);
      color:#EAF0EF;
      position:relative;
      overflow:hidden;
    }
    .feature-copy:after{
      content:"";
      position:absolute;
      right:-80px;bottom:-80px;
      width:220px;height:220px;border-radius:50%;
      background:rgba(24,199,166,.18);
    }
    .feature-copy h2{color:#fff;margin-bottom:14px}
    .feature-copy p{color:#C9D0D2;margin-bottom:20px}
    .feature-copy img{
      border-radius:20px;
      width:100%;
      height:220px;
      object-fit:cover;
      border:1px solid rgba(255,255,255,.12);
      position:relative;
      z-index:1;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .feature-card{
      min-height:188px;
      padding:22px;
      border-radius:22px;
      border:1px solid var(--line);
      background:#fff;
      transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
    }
    .feature-card:nth-child(2),.feature-card:nth-child(3){background:var(--card-warm)}
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(24,199,166,.58);
      box-shadow:var(--shadow);
    }
    .feature-icon{
      width:42px;height:42px;border-radius:14px;
      background:var(--accent-soft);
      color:var(--accent-dark);
      display:grid;place-items:center;
      font-weight:900;
      margin-bottom:16px;
    }
    .feature-card h3{margin:0 0 8px;color:var(--ink);font-size:20px;line-height:1.35}
    .feature-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}
    .updates{
      display:grid;
      gap:14px;
    }
    .update-item{
      display:grid;
      grid-template-columns:96px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      border:1px solid var(--line);
      background:#fff;
      transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
    }
    .update-item:hover{
      transform:translateY(-3px);
      border-color:rgba(24,199,166,.5);
      box-shadow:var(--shadow);
    }
    .datebox{
      display:grid;
      place-items:center;
      min-height:72px;
      border-radius:16px;
      background:var(--bg);
      color:var(--ink);
      font-weight:850;
      line-height:1.25;
      text-align:center;
    }
    .datebox small{display:block;color:var(--muted);font-weight:700;font-size:12px}
    .update-text h3{margin:0 0 4px;color:var(--ink);font-size:19px}
    .update-text p{margin:0;color:var(--muted);font-size:15px;line-height:1.65}
    .read-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:92px;
      height:40px;
      padding:0 14px;
      border-radius:999px;
      background:var(--accent-soft);
      color:var(--accent-dark);
      font-weight:800;
      font-size:14px;
      transition:background var(--trans),color var(--trans),transform var(--trans);
    }
    .read-link:hover,.read-link:focus-visible{
      background:var(--accent);
      color:var(--ink);
      transform:translateX(2px);
      outline:none;
    }
    .support-panel{
      border-radius:28px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(24,199,166,.12),rgba(255,255,255,.86) 42%,rgba(255,180,84,.12)),
        #fff;
      border:1px solid rgba(230,224,214,.9);
      box-shadow:var(--shadow);
    }
    .support-grid{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      margin-top:26px;
    }
    .support-item{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(230,224,214,.9);
    }
    .support-item strong{display:block;color:var(--ink);font-size:17px;margin-bottom:5px}
    .support-item span{display:block;color:var(--muted);font-size:14px;line-height:1.55}
    .category-card{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:28px;
      align-items:center;
      padding:26px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .category-card img{
      height:310px;
      width:100%;
      object-fit:cover;
      border-radius:22px;
      border:1px solid var(--line);
    }
    .category-content h2{margin-bottom:14px}
    .category-content p{color:var(--muted);margin-bottom:18px}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0 22px}
    .tag{
      display:inline-flex;
      padding:7px 11px;
      border-radius:999px;
      background:var(--card-warm);
      border:1px solid var(--line);
      color:#596166;
      font-size:13px;
      font-weight:700;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:34px;
      align-items:start;
    }
    .faq-intro{
      position:sticky;
      top:104px;
      padding:28px;
      border-radius:24px;
      background:var(--ink);
      color:#DDE4E4;
    }
    .faq-intro h2{color:#fff;margin-bottom:12px}
    .faq-intro p{color:#C9D0D2;margin:0}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      background:#fff;
      border-radius:18px;
      overflow:hidden;
      transition:border-color var(--trans),box-shadow var(--trans);
    }
    .faq-item:hover{border-color:rgba(24,199,166,.55);box-shadow:0 10px 24px rgba(22,26,29,.05)}
    .faq-question{
      width:100%;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 20px;
      color:var(--ink);
      font-weight:800;
      text-align:left;
    }
    .faq-question:focus-visible{outline:3px solid rgba(24,199,166,.28);outline-offset:-3px}
    .faq-plus{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--accent-soft);
      color:var(--accent-dark);
      flex:0 0 auto;
      transition:transform var(--trans),background var(--trans);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height 260ms ease;
    }
    .faq-answer p{
      margin:0;
      padding:0 20px 18px;
      color:var(--muted);
      line-height:1.75;
    }
    .faq-item.open .faq-plus{transform:rotate(45deg);background:var(--accent);color:var(--ink)}
    .faq-item.open .faq-answer{max-height:260px}
    .cta{
      padding:0 0 86px;
    }
    .cta-box{
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:26px;
      border-radius:30px;
      background:
        radial-gradient(circle at 10% 20%,rgba(24,199,166,.28),transparent 26%),
        linear-gradient(135deg,var(--ink),#252B2F);
      color:#E9F0EF;
      padding:38px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .cta-box:after{
      content:"";
      position:absolute;
      width:210px;height:210px;border-radius:50%;
      right:-90px;top:-90px;
      background:rgba(255,180,84,.16);
    }
    .cta-box h2{color:#fff;margin:0 0 8px}
    .cta-box p{margin:0;color:#C9D0D2;max-width:720px}
    .cta-box .btn{position:relative;z-index:1}
    .site-footer{
      background:var(--ink);
      color:#C9D0D2;
      padding:54px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .65fr .65fr .85fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-about p{margin:0;color:#C9D0D2;max-width:420px}
    .footer-col h3{
      margin:0 0 12px;
      color:#fff;
      font-size:16px;
    }
    .footer-col a,.footer-col span{
      display:block;
      color:#C9D0D2;
      padding:5px 0;
      font-size:14px;
      transition:color var(--trans),transform var(--trans);
    }
    .footer-col a:hover,.footer-col a:focus-visible{
      color:var(--accent);
      transform:translateX(2px);
      outline:none;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      color:#9FA9AD;
      font-size:13px;
    }
    .footer-bottom a{color:#C9D0D2}
    .footer-bottom a:hover{color:var(--accent)}
    @media (max-width:1080px){
      .hero-grid,.columns-layout,.category-card,.faq-wrap{grid-template-columns:1fr}
      .hero{min-height:auto;padding:70px 0}
      .support-grid{grid-template-columns:repeat(3,1fr)}
      .strip-card{grid-template-columns:repeat(2,1fr)}
      .strip-item:nth-child(2){border-right:0}
      .strip-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .steps{grid-template-columns:repeat(2,1fr)}
      .faq-intro{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:760px){
      :root{--nav-h:68px}
      .container{width:min(100% - 32px,var(--container))}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;
        top:var(--nav-h);
        left:16px;
        right:16px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:14px;
        background:#fff;
        border:1px solid var(--line);
        border-radius:20px;
        box-shadow:var(--shadow-lg);
      }
      .mobile-open .nav-links{display:flex}
      .nav-links a{justify-content:flex-start;height:46px}
      .brand-name{max-width:230px;font-size:16px}
      .hero{padding:52px 0 58px}
      h1{font-size:33px;letter-spacing:-.035em}
      .hero-lead{font-size:16px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .hero-panel{padding:18px;border-radius:24px}
      .status-item{grid-template-columns:auto 1fr}
      .mini-state{display:none}
      .section{padding:58px 0}
      .section-head{display:block}
      .section h2{font-size:27px}
      .section-desc{margin-top:10px}
      .quick-strip{margin-top:-24px}
      .strip-card,.steps,.feature-grid,.support-grid{grid-template-columns:1fr}
      .strip-item{border-right:0!important;border-bottom:1px solid var(--line)}
      .strip-item:last-child{border-bottom:0}
      .update-item{grid-template-columns:1fr;gap:10px}
      .datebox{place-items:start;align-content:center;padding:12px 16px;min-height:auto;text-align:left}
      .read-link{width:100%}
      .support-panel,.feature-copy,.category-card,.cta-box{padding:24px}
      .category-card img{height:220px}
      .cta-box{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:390px){
      .container{width:min(100% - 24px,var(--container))}
      h1{font-size:29px}
      .brand-name{max-width:190px}
      .section h2{font-size:24px}
      .panel-top{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category1 */
:root{
      --ink:#161A1D;
      --ink-2:#242A2E;
      --text:#3A3F42;
      --muted:#747B80;
      --soft:#F7F4EE;
      --card:#FFFFFF;
      --card-warm:#FBFAF7;
      --line:#E6E0D6;
      --accent:#18C7A6;
      --accent-dark:#0FA98C;
      --accent-soft:#E5FAF5;
      --amber:#FFB454;
      --amber-soft:#FFF3DD;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --shadow:0 10px 30px rgba(22,26,29,.08);
      --shadow-hover:0 18px 42px rgba(22,26,29,.12);
      --container:1180px;
      --focus:0 0 0 4px rgba(24,199,166,.22);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
      color:var(--text);
      background:var(--soft);
      line-height:1.8;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;
      padding:10px 14px;border-radius:999px;z-index:999;
    }
    .skip-link:focus{top:12px;outline:none;box-shadow:var(--focus)}
    .site-header{
      position:sticky;top:0;z-index:50;background:rgba(247,244,238,.94);
      backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,224,214,.78);
    }
    .header-inner{
      min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);letter-spacing:-.02em;
      min-width:max-content;
    }
    .brand-mark,.footer .brand-mark,.footer-brand .brand-mark{
      width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--accent),#70E9D7);
      color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-weight:900;
      box-shadow:0 8px 18px rgba(24,199,166,.24);
    }
    .brand span:last-child{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{
      position:relative;display:inline-flex;align-items:center;justify-content:center;
      min-height:42px;padding:0 16px;border-radius:999px;color:var(--ink-2);font-weight:650;
    }
    .nav-links a:hover{background:#fff;color:var(--accent-dark);box-shadow:0 8px 20px rgba(22,26,29,.06)}
    .nav-links a.active{background:var(--ink);color:#fff}
    .nav-links a.active::after{
      content:"";position:absolute;left:18px;right:18px;bottom:6px;height:2px;border-radius:999px;background:var(--accent);
    }
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);
      align-items:center;justify-content:center;color:var(--ink);
    }
    .menu-toggle span,.menu-toggle::before,.menu-toggle::after{
      content:"";display:block;width:20px;height:2px;border-radius:4px;background:var(--ink);position:absolute;transition:.22s ease;
    }
    .menu-toggle{position:relative}
    .menu-toggle::before{transform:translateY(-7px)}
    .menu-toggle::after{transform:translateY(7px)}
    .menu-toggle.is-open span{opacity:0}
    .menu-toggle.is-open::before{transform:rotate(45deg)}
    .menu-toggle.is-open::after{transform:rotate(-45deg)}
    .page-hero{
      position:relative;isolation:isolate;padding:78px 0 58px;overflow:hidden;border-bottom:1px solid var(--line);
    }
    .page-hero::before{
      content:"";position:absolute;inset:0;z-index:-2;
      background:
        linear-gradient(90deg,rgba(247,244,238,.98) 0%,rgba(247,244,238,.84) 48%,rgba(22,26,29,.54) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .page-hero::after{
      content:"";position:absolute;right:-130px;top:-120px;width:420px;height:420px;border-radius:50%;
      background:radial-gradient(circle,rgba(24,199,166,.28),rgba(24,199,166,0) 66%);z-index:-1;
    }
    .breadcrumbs{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-bottom:18px;
    }
    .breadcrumbs a:hover{color:var(--accent-dark)}
    .hero-grid{
      display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);gap:34px;align-items:center;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(229,250,245,.88);color:#146F61;font-weight:750;font-size:14px;border:1px solid rgba(24,199,166,.22);
    }
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(24,199,166,.14)}
    h1{
      margin-top:20px;color:var(--ink);font-size:44px;line-height:1.18;font-weight:800;letter-spacing:-.035em;
      max-width:760px;
    }
    .hero-lead{
      margin-top:18px;font-size:17px;color:#42484C;max-width:760px;line-height:1.9;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;
      border-radius:999px;font-weight:760;border:1px solid transparent;transition:.22s ease;
    }
    .btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 10px 24px rgba(24,199,166,.25)}
    .btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(24,199,166,.28)}
    .btn-secondary{background:rgba(255,255,255,.72);border-color:var(--line);color:var(--ink)}
    .btn-secondary:hover{border-color:rgba(24,199,166,.55);background:var(--accent-soft);transform:translateY(-2px)}
    .btn:focus-visible,.nav-links a:focus-visible,.faq-question:focus-visible,input:focus-visible{outline:none;box-shadow:var(--focus)}
    .verification-panel{
      background:rgba(255,255,255,.92);border:1px solid rgba(230,224,214,.9);border-radius:var(--radius-lg);
      padding:24px;box-shadow:var(--shadow);position:relative;overflow:hidden;
    }
    .verification-panel::before{
      content:"";position:absolute;left:0;top:0;right:0;height:5px;background:linear-gradient(90deg,var(--accent),var(--amber));
    }
    .panel-title{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:18px}
    .panel-title h2{font-size:21px;line-height:1.35;color:var(--ink)}
    .status-badge{font-size:13px;font-weight:750;border-radius:999px;padding:6px 10px;background:var(--amber-soft);color:#7A4B00;white-space:nowrap}
    .check-list{list-style:none;display:grid;gap:12px}
    .check-list li{
      display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;padding:12px;border-radius:15px;
      background:var(--card-warm);border:1px solid var(--line);
    }
    .check-dot{
      width:28px;height:28px;border-radius:10px;background:var(--accent-soft);color:var(--accent-dark);
      display:flex;align-items:center;justify-content:center;font-weight:900;
    }
    .check-list strong{display:block;color:var(--ink);line-height:1.4}
    .check-list span{display:block;color:var(--muted);font-size:14px;line-height:1.65;margin-top:2px}
    main{position:relative}
    .section{padding:82px 0}
    .section-tight{padding:62px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px}
    .section-kicker{color:var(--accent-dark);font-size:14px;font-weight:800;margin-bottom:8px}
    .section-title{font-size:32px;line-height:1.25;color:var(--ink);letter-spacing:-.025em}
    .section-desc{max-width:620px;color:var(--muted);margin-top:10px}
    .tabs-wrap{
      position:sticky;top:77px;z-index:20;background:rgba(247,244,238,.95);backdrop-filter:blur(12px);
      border-bottom:1px solid var(--line);
    }
    .topic-tabs{
      display:flex;gap:10px;overflow:auto;padding:14px 0;scrollbar-width:none;
    }
    .topic-tabs::-webkit-scrollbar{display:none}
    .topic-tabs a{
      white-space:nowrap;padding:9px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;
      color:var(--ink-2);font-size:14px;font-weight:720;
    }
    .topic-tabs a:hover,.topic-tabs a.active{background:var(--accent);border-color:var(--accent);color:var(--ink)}
    .intro-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:28px;align-items:stretch}
    .intro-card{
      background:var(--ink);color:#DCE3E4;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden;
    }
    .intro-card::after{
      content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;border-radius:50%;
      background:rgba(24,199,166,.18);
    }
    .intro-card h2{color:#fff;font-size:30px;line-height:1.25}
    .intro-card p{margin-top:14px;color:#C7D0D2}
    .mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px;position:relative;z-index:1}
    .mini-stat{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:16px;padding:15px}
    .mini-stat strong{display:block;color:var(--accent);font-size:22px;line-height:1.2}
    .mini-stat span{font-size:13px;color:#C7D0D2}
    .feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .feature-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:0 6px 20px rgba(22,26,29,.05);
      transition:.22s ease;
    }
    .feature-card:hover{transform:translateY(-3px);border-color:rgba(24,199,166,.45);box-shadow:var(--shadow-hover)}
    .feature-icon{
      width:42px;height:42px;border-radius:14px;display:flex;align-items:center;justify-content:center;
      background:var(--accent-soft);color:var(--accent-dark);font-weight:900;margin-bottom:14px;
    }
    .feature-card h3{font-size:20px;color:var(--ink);line-height:1.35}
    .feature-card p{margin-top:8px;color:var(--muted);font-size:15px}
    .steps{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;
    }
    .step-card{
      counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;
      min-height:216px;position:relative;overflow:hidden;transition:.22s ease;
    }
    .step-card:hover{transform:translateY(-3px);border-color:rgba(24,199,166,.5);box-shadow:var(--shadow)}
    .step-card::before{
      content:"0" counter(step);display:inline-flex;width:44px;height:44px;border-radius:16px;align-items:center;justify-content:center;
      background:var(--ink);color:var(--accent);font-weight:900;margin-bottom:20px;
    }
    .step-card h3{font-size:19px;color:var(--ink);line-height:1.35}
    .step-card p{margin-top:8px;color:var(--muted);font-size:15px;line-height:1.75}
    .split-panel{
      display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);
      border-radius:28px;padding:28px;box-shadow:var(--shadow);
    }
    .cover-frame{
      position:relative;border-radius:22px;overflow:hidden;min-height:360px;background:var(--ink);
    }
    .cover-frame img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.88}
    .cover-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,26,29,.12),rgba(22,26,29,.72))}
    .image-label{
      position:absolute;left:22px;right:22px;bottom:22px;z-index:1;background:rgba(255,255,255,.9);
      border-radius:18px;padding:18px;border:1px solid rgba(255,255,255,.55);
    }
    .image-label strong{display:block;color:var(--ink);font-size:18px}
    .image-label span{display:block;color:var(--muted);font-size:14px;margin-top:4px}
    .detail-list{list-style:none;display:grid;gap:14px;margin-top:22px}
    .detail-list li{
      display:grid;grid-template-columns:34px 1fr;gap:12px;padding:14px;border-radius:16px;background:var(--card-warm);border:1px solid var(--line);
    }
    .detail-list b{
      width:34px;height:34px;border-radius:12px;background:var(--accent-soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;
    }
    .detail-list strong{display:block;color:var(--ink);line-height:1.35}
    .detail-list span{display:block;color:var(--muted);font-size:14px;margin-top:3px}
    .support-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .support-card{
      background:linear-gradient(180deg,#fff,var(--card-warm));border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:24px;transition:.22s ease;position:relative;overflow:hidden;
    }
    .support-card:hover{transform:translateY(-3px);border-color:rgba(24,199,166,.5);box-shadow:var(--shadow)}
    .support-card .tag{margin-bottom:14px}
    .support-card h3{color:var(--ink);font-size:20px;line-height:1.35}
    .support-card p{margin-top:9px;color:var(--muted);font-size:15px}
    .tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:780;
      background:var(--accent-soft);color:#126D60;border:1px solid rgba(24,199,166,.18);
    }
    .tag.amber{background:var(--amber-soft);color:#7A4B00;border-color:rgba(255,180,84,.28)}
    .notice-panel{
      background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow);
    }
    .notice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}
    .notice-item{
      display:grid;grid-template-columns:96px 1fr;gap:16px;padding:18px;border:1px solid var(--line);
      border-radius:20px;background:var(--card-warm);transition:.22s ease;
    }
    .notice-item:hover{border-color:rgba(24,199,166,.45);transform:translateY(-2px)}
    .notice-date{
      border-radius:16px;background:var(--ink);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:78px;
    }
    .notice-date strong{font-size:22px;line-height:1;color:var(--accent)}
    .notice-date span{font-size:12px;margin-top:6px;color:#C9D0D2}
    .notice-item h3{font-size:18px;color:var(--ink);line-height:1.35}
    .notice-item p{font-size:14px;color:var(--muted);line-height:1.7;margin-top:6px}
    .faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start}
    .faq-note{
      background:var(--accent-soft);border:1px solid rgba(24,199,166,.22);border-radius:var(--radius-lg);padding:26px;position:sticky;top:152px;
    }
    .faq-note h2{font-size:28px;color:var(--ink);line-height:1.25}
    .faq-note p{margin-top:12px;color:#45615B}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.22s ease}
    .faq-item:hover{border-color:rgba(24,199,166,.45)}
    .faq-question{
      width:100%;min-height:58px;text-align:left;padding:18px 54px 18px 20px;background:#fff;color:var(--ink);
      font-weight:760;position:relative;
    }
    .faq-question::after{
      content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:9px;
      background:var(--accent-soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-weight:900;
    }
    .faq-item.is-open .faq-question::after{content:"−";background:var(--accent);color:var(--ink)}
    .faq-answer{display:none;padding:0 20px 20px;color:var(--muted);font-size:15px}
    .faq-item.is-open .faq-answer{display:block}
    .cta-panel{
      background:var(--ink);border-radius:30px;padding:34px;display:flex;justify-content:space-between;align-items:center;gap:24px;
      color:#D7DFE0;position:relative;overflow:hidden;
    }
    .cta-panel::before{
      content:"";position:absolute;right:-80px;top:-100px;width:300px;height:300px;border-radius:50%;background:rgba(24,199,166,.18);
    }
    .cta-panel h2{color:#fff;font-size:30px;line-height:1.25}
    .cta-panel p{margin-top:10px;color:#C9D0D2;max-width:700px}
    .cta-panel .btn{position:relative;z-index:1;white-space:nowrap}
    .site-footer{background:var(--ink);color:#C9D0D2;padding:58px 0 26px;margin-top:0}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:28px}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
    .footer-about p{max-width:420px;color:#B7C0C2;font-size:14px;line-height:1.8}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:16px;color:#fff;margin-bottom:4px}
    .footer-col a,.footer-col span{font-size:14px;color:#B7C0C2}
    .footer-col a:hover{color:var(--accent)}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:18px;
      color:#AAB5B8;font-size:14px;
    }
    .footer-bottom a:hover{color:var(--accent)}
    @media (max-width:1024px){
      h1{font-size:38px}
      .hero-grid,.intro-grid,.split-panel,.faq-layout{grid-template-columns:1fr}
      .steps{grid-template-columns:repeat(2,1fr)}
      .support-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .faq-note{position:static}
      .cover-frame{min-height:300px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .header-inner{min-height:68px}
      .brand span:last-child{font-size:16px}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;left:14px;right:14px;top:74px;display:none;flex-direction:column;align-items:stretch;
        background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px;box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{justify-content:flex-start;min-height:46px}
      .page-hero{padding:54px 0 42px}
      h1{font-size:32px}
      .hero-lead{font-size:16px}
      .section{padding:58px 0}
      .section-tight{padding:46px 0}
      .section-head{display:block}
      .section-title{font-size:27px}
      .feature-grid,.notice-grid,.support-grid{grid-template-columns:1fr}
      .notice-item{grid-template-columns:74px 1fr}
      .notice-date{min-height:70px}
      .tabs-wrap{top:68px}
      .cta-panel{display:block;padding:28px}
      .cta-panel .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      h1{font-size:29px}
      .verification-panel,.intro-card,.notice-panel,.split-panel{padding:20px}
      .steps{grid-template-columns:1fr}
      .mini-stats{grid-template-columns:1fr}
      .notice-item{grid-template-columns:1fr}
      .notice-date{align-items:flex-start;padding:14px}
      .cover-frame{min-height:240px}
      .image-label{left:14px;right:14px;bottom:14px}
    }