/* roulang page: index */
:root{
      --bg:#f7f3ea;
      --bg-soft:#fffaf0;
      --surface:#ffffff;
      --surface-2:#fbf7ef;
      --ink:#19211c;
      --muted:#667067;
      --muted-2:#8b938c;
      --line:#e8ddca;
      --primary:#1f6f55;
      --primary-2:#2f8d6d;
      --primary-dark:#124737;
      --accent:#d78a28;
      --accent-2:#f3c26b;
      --danger:#a34b33;
      --success:#2d8a5f;
      --shadow-sm:0 8px 22px rgba(39,47,38,.08);
      --shadow:0 18px 50px rgba(39,47,38,.12);
      --shadow-lg:0 28px 80px rgba(31,61,47,.18);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --container:1180px;
      --nav-h:76px;
      --ease:all .22s 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(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(243,194,107,.24), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(31,111,85,.12), transparent 30%),
        linear-gradient(180deg,var(--bg),#fff 48%,#f9f4ea);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(31,111,85,.18);color:var(--primary-dark)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(247,243,234,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(232,221,202,.75);
    }
    .nav{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:#fff;
      background:
        linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 10px 24px rgba(31,111,85,.24);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;border-radius:8px;background:rgba(255,255,255,.88);
    }
    .brand-mark:before{width:18px;height:13px;left:8px;top:10px}
    .brand-mark:after{width:16px;height:18px;right:7px;bottom:8px;background:rgba(243,194,107,.9)}
    .brand span:last-child{font-size:17px}
    .nav-center{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(232,221,202,.85);
      border-radius:999px;
      background:rgba(255,255,255,.68);
      box-shadow:var(--shadow-sm);
    }
    .nav-link{
      padding:9px 18px;
      border-radius:999px;
      font-size:14px;
      color:var(--muted);
      font-weight:700;
      transition:var(--ease);
    }
    .nav-link:hover{background:#fff;color:var(--primary);box-shadow:0 8px 20px rgba(31,111,85,.08)}
    .nav-link.active{background:var(--primary);color:#fff}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .command-search{
      width:235px;
      height:42px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 12px;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.72);
      color:var(--muted-2);
      transition:var(--ease);
    }
    .command-search:focus-within{border-color:rgba(31,111,85,.45);box-shadow:0 0 0 4px rgba(31,111,85,.09);background:#fff}
    .command-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
    }
    .keycap{
      min-width:30px;
      height:22px;
      padding:0 7px;
      display:grid;
      place-items:center;
      border:1px solid var(--line);
      border-bottom-width:2px;
      border-radius:7px;
      background:#fff;
      font-size:12px;
      color:var(--muted);
    }
    .mobile-toggle{
      display:none;
      width:42px;height:42px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border:1px solid transparent;
      border-radius:999px;
      font-weight:800;
      font-size:14px;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-link:focus-visible,.mobile-toggle:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(31,111,85,.2);
      outline-offset:3px;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 26px rgba(31,111,85,.24)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(31,111,85,.28)}
    .btn-secondary{background:#fff;color:var(--primary-dark);border-color:var(--line)}
    .btn-secondary:hover{border-color:rgba(31,111,85,.34);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn-ghost{background:rgba(31,111,85,.08);color:var(--primary-dark)}
    .btn-ghost:hover{background:rgba(31,111,85,.13)}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .badge{
      padding:7px 12px;
      background:rgba(31,111,85,.1);
      color:var(--primary-dark);
      font-size:13px;
      border:1px solid rgba(31,111,85,.14);
    }
    .tag{
      padding:5px 10px;
      background:#fff7e6;
      color:#8a560f;
      border:1px solid #f4dfb4;
      font-size:12px;
    }
    main{overflow:hidden}
    section{padding:82px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-eyebrow{
      margin:0 0 8px;
      color:var(--primary);
      font-weight:900;
      font-size:13px;
      letter-spacing:.1em;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,3.6vw,44px);
      line-height:1.16;
      letter-spacing:-.05em;
    }
    .section-desc{
      margin:0;
      max-width:650px;
      color:var(--muted);
      font-size:16px;
    }
    .hero{
      padding:58px 0 72px;
    }
    .hero-wrap{
      position:relative;
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      min-height:610px;
      padding:44px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(140deg,rgba(255,255,255,.94),rgba(255,250,240,.88)),
        radial-gradient(circle at 15% 15%,rgba(243,194,107,.22),transparent 36%);
      border:1px solid rgba(232,221,202,.86);
      box-shadow:var(--shadow);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    h1{
      margin:18px 0 20px;
      max-width:820px;
      font-size:clamp(40px,6vw,76px);
      line-height:.98;
      letter-spacing:-.075em;
    }
    .hero-intro{
      margin:0;
      max-width:680px;
      color:var(--muted);
      font-size:18px;
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
    }
    .hero-point{
      padding:16px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.7);
    }
    .hero-point strong{display:block;font-size:24px;line-height:1.1;letter-spacing:-.04em;color:var(--primary-dark)}
    .hero-point span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .whitepaper-board{
      display:grid;
      grid-template-columns:1fr;
      gap:16px;
    }
    .paper-card,.lead-card,.toc-card{
      border:1px solid rgba(232,221,202,.88);
      background:rgba(255,255,255,.88);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
    }
    .paper-card{
      min-height:290px;
      padding:26px;
      display:grid;
      grid-template-columns:168px 1fr;
      gap:22px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .paper-card:before{
      content:"";
      position:absolute;
      inset:auto -80px -110px auto;
      width:240px;height:240px;
      border-radius:50%;
      background:rgba(31,111,85,.1);
    }
    .paper-cover{
      height:238px;
      border-radius:22px;
      padding:20px;
      color:#fff;
      background:
        linear-gradient(155deg,#173e32,#1f6f55 58%,#d78a28);
      box-shadow:0 22px 45px rgba(31,65,50,.28);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      position:relative;
      overflow:hidden;
    }
    .paper-cover:before{
      content:"";
      position:absolute;
      inset:18px 18px auto auto;
      width:56px;height:56px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.35);
      background:rgba(255,255,255,.1);
    }
    .paper-cover small{position:relative;font-weight:800;opacity:.9}
    .paper-cover b{position:relative;font-size:24px;line-height:1.14;letter-spacing:-.04em}
    .paper-meta h2{margin:0 0 12px;font-size:24px;line-height:1.25;letter-spacing:-.04em}
    .paper-meta p{margin:0;color:var(--muted);font-size:15px}
    .toc-card{padding:22px}
    .toc-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:11px}
    .toc-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--muted);
      font-size:14px;
    }
    .toc-list li:before{
      content:"";
      width:8px;height:8px;
      margin-top:9px;
      border-radius:50%;
      background:var(--accent);
      flex:0 0 auto;
    }
    .lead-card{padding:22px}
    .lead-card h3{margin:0 0 12px;font-size:20px;letter-spacing:-.03em}
    .lead-form{display:grid;gap:10px}
    .field{
      width:100%;
      min-height:46px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      padding:0 13px;
      color:var(--ink);
      transition:var(--ease);
    }
    textarea.field{min-height:82px;padding-top:12px;resize:vertical}
    .field:hover{border-color:#d7c7ac}
    .field:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,111,85,.09)}
    .privacy-note{margin:2px 0 0;color:var(--muted-2);font-size:12px;line-height:1.6}
    .coupon-section{
      padding-top:26px;
      background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,250,240,.64));
    }
    .coupon-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .coupon{
      position:relative;
      min-height:188px;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:var(--ease);
    }
    .coupon:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .coupon:before,.coupon:after{
      content:"";
      position:absolute;
      top:50%;
      width:22px;height:22px;
      border-radius:50%;
      background:var(--bg);
      border:1px solid var(--line);
    }
    .coupon:before{left:-12px}
    .coupon:after{right:-12px}
    .coupon .value{font-size:32px;font-weight:950;letter-spacing:-.06em;color:var(--primary-dark);line-height:1}
    .coupon h3{margin:14px 0 8px;font-size:18px;line-height:1.25}
    .coupon p{margin:0;color:var(--muted);font-size:14px}
    .coupon-line{
      height:1px;
      margin:16px -22px 14px;
      background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 15px);
    }
    .coupon small{color:var(--muted-2);font-weight:700}
    .rules-wrap{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:start;
    }
    .rules-panel{
      padding:30px;
      border-radius:var(--radius-lg);
      background:var(--primary-dark);
      color:#fff;
      min-height:100%;
      box-shadow:var(--shadow-lg);
    }
    .rules-panel p{color:rgba(255,255,255,.72);margin:12px 0 0}
    .rules-panel .btn{margin-top:24px}
    .rule-list{
      display:grid;
      gap:14px;
    }
    .rule-item{
      display:grid;
      grid-template-columns:48px 1fr;
      gap:16px;
      padding:20px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.82);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .rule-item:hover{background:#fff;transform:translateX(4px)}
    .rule-no{
      width:48px;height:48px;
      display:grid;place-items:center;
      border-radius:16px;
      background:rgba(31,111,85,.1);
      color:var(--primary);
      font-weight:950;
    }
    .rule-item h3{margin:0 0 6px;font-size:18px}
    .rule-item p{margin:0;color:var(--muted);font-size:14px}
    .demo-section{background:#fff}
    .demo-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:22px;
      align-items:stretch;
    }
    .product-stage{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg,#fff,#fbf6ec);
      box-shadow:var(--shadow);
      padding:24px;
    }
    .stage-toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:18px;
      border-bottom:1px solid var(--line);
    }
    .toolbar-dots{display:flex;gap:7px}
    .toolbar-dots span{width:10px;height:10px;border-radius:50%;background:#e4d6bd}
    .filter-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
    .thumb-grid{
      display:grid;
      grid-template-columns:1.3fr 1fr 1fr;
      grid-auto-rows:118px;
      gap:12px;
    }
    .thumb{
      position:relative;
      border-radius:18px;
      overflow:hidden;
      background:linear-gradient(135deg,#d7e3d8,#f6ddb3);
      border:1px solid rgba(255,255,255,.7);
    }
    .thumb:nth-child(1){grid-row:span 2;background:linear-gradient(135deg,#1f6f55,#f3c26b)}
    .thumb:nth-child(2){background:linear-gradient(135deg,#e9b96d,#fcf3df)}
    .thumb:nth-child(3){background:linear-gradient(135deg,#9fc8ba,#faf1df)}
    .thumb:nth-child(4){background:linear-gradient(135deg,#31594a,#b8d8c9)}
    .thumb:nth-child(5){background:linear-gradient(135deg,#f4cc86,#fff8e8)}
    .thumb:after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg,transparent,rgba(0,0,0,.22)),
        radial-gradient(circle at 28% 24%,rgba(255,255,255,.55),transparent 22%);
    }
    .thumb-label{
      position:absolute;
      left:12px;bottom:12px;z-index:2;
      color:#fff;
      font-weight:900;
      font-size:13px;
      text-shadow:0 2px 10px rgba(0,0,0,.22);
    }
    .feature-stack{display:grid;gap:14px}
    .feature-card{
      padding:22px;
      border:1px solid var(--line);
      border-radius:24px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .feature-icon{
      width:44px;height:44px;
      display:grid;place-items:center;
      border-radius:15px;
      background:rgba(215,138,40,.12);
      color:#9b5d12;
      font-size:20px;
      margin-bottom:14px;
    }
    .feature-card h3{margin:0 0 8px;font-size:19px}
    .feature-card p{margin:0;color:var(--muted);font-size:14px}
    .viewpoint-section{
      background:
        linear-gradient(180deg,#fff,var(--surface-2));
    }
    .view-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:16px;
    }
    .quote-card{
      padding:24px;
      border:1px solid var(--line);
      border-radius:26px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      min-height:230px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:var(--ease);
    }
    .quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .quote-mark{
      width:42px;height:42px;
      border-radius:50%;
      display:grid;place-items:center;
      background:var(--primary);
      color:#fff;
      font-size:24px;
      font-weight:900;
    }
    .quote-card p{margin:18px 0;color:var(--ink);font-size:16px}
    .quote-card small{color:var(--muted);font-weight:800}
    .media-strip{
      display:flex;
      gap:16px;
      overflow-x:auto;
      padding:4px 4px 18px;
      scroll-snap-type:x mandatory;
    }
    .media-strip::-webkit-scrollbar{height:8px}
    .media-strip::-webkit-scrollbar-thumb{background:#d9c8aa;border-radius:999px}
    .media-card{
      flex:0 0 310px;
      scroll-snap-align:start;
      border:1px solid var(--line);
      border-radius:26px;
      overflow:hidden;
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .media-art{
      height:150px;
      background:
        linear-gradient(135deg,rgba(31,111,85,.9),rgba(243,194,107,.86)),
        radial-gradient(circle at 20% 30%,#fff,transparent 18%);
      position:relative;
    }
    .media-art:after{
      content:"";
      position:absolute;
      width:92px;height:92px;
      right:24px;bottom:-24px;
      border-radius:28px;
      background:rgba(255,255,255,.22);
      border:1px solid rgba(255,255,255,.34);
    }
    .media-body{padding:20px}
    .media-body h3{margin:10px 0 8px;font-size:18px}
    .media-body p{margin:0;color:var(--muted);font-size:14px}
    .channel-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .steps-card,.objection-card{
      padding:30px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .step-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:16px}
    .step-list li{
      display:grid;
      grid-template-columns:38px 1fr;
      gap:14px;
      align-items:start;
    }
    .step-list b{
      width:38px;height:38px;
      display:grid;place-items:center;
      border-radius:13px;
      background:var(--primary);
      color:#fff;
    }
    .step-list strong{display:block;margin-bottom:4px}
    .step-list span{color:var(--muted);font-size:14px}
    .mini-faq{display:grid;gap:12px;margin-top:20px}
    .mini-faq details{
      border:1px solid var(--line);
      border-radius:16px;
      padding:14px 16px;
      background:var(--surface-2);
      transition:var(--ease);
    }
    .mini-faq details:hover{background:#fff}
    .mini-faq summary{cursor:pointer;font-weight:900}
    .mini-faq p{margin:10px 0 0;color:var(--muted);font-size:14px}
    .news-section{background:#fff}
    .news-layout{
      display:grid;
      grid-template-columns:1.42fr .58fr;
      gap:24px;
      align-items:start;
    }
    .news-list{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:#fff;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .news-item{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px;
      border-bottom:1px solid var(--line);
      transition:var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:var(--surface-2)}
    .news-date{
      color:var(--primary);
      font-weight:950;
      font-size:13px;
    }
    .news-item h3{margin:0 0 5px;font-size:18px;line-height:1.35}
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .news-arrow{
      width:36px;height:36px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(31,111,85,.08);
      color:var(--primary);
      transition:var(--ease);
    }
    .news-item:hover .news-arrow{background:var(--primary);color:#fff;transform:translateX(3px)}
    .recommend-box{
      position:sticky;
      top:98px;
      padding:24px;
      border-radius:var(--radius-lg);
      background:var(--primary-dark);
      color:#fff;
      box-shadow:var(--shadow-lg);
    }
    .recommend-box p{color:rgba(255,255,255,.72)}
    .recommend-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
    .recommend-list li{
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
      font-size:14px;
    }
    .pricing-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .price-card{
      position:relative;
      padding:26px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .price-card.featured{
      border-color:rgba(31,111,85,.35);
      background:linear-gradient(180deg,#fff,#f0f7f2);
      box-shadow:var(--shadow);
    }
    .price-card h3{margin:0 0 8px;font-size:22px}
    .price-card .price{margin:12px 0;font-size:34px;font-weight:950;letter-spacing:-.06em;color:var(--primary-dark)}
    .price-card .price small{font-size:14px;color:var(--muted);letter-spacing:0}
    .price-card p{margin:0 0 18px;color:var(--muted);font-size:14px}
    .check-list{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px}
    .check-list li{display:flex;gap:9px;color:var(--muted);font-size:14px}
    .check-list li:before{content:"✓";color:var(--success);font-weight:950}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:22px;
      background:#fff;
      padding:20px 22px;
      box-shadow:var(--shadow-sm);
    }
    .faq-item h3{margin:0 0 8px;font-size:18px}
    .faq-item p{margin:0;color:var(--muted);font-size:14px}
    .cta-section{padding:72px 0 88px}
    .cta-box{
      display:grid;
      grid-template-columns:1fr 390px;
      gap:24px;
      align-items:center;
      padding:42px;
      border-radius:34px;
      background:
        radial-gradient(circle at 88% 18%,rgba(243,194,107,.26),transparent 28%),
        linear-gradient(135deg,var(--primary-dark),#1f6f55);
      color:#fff;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .cta-box:before{
      content:"";
      position:absolute;
      left:-70px;bottom:-100px;
      width:240px;height:240px;border-radius:50%;
      background:rgba(255,255,255,.08);
    }
    .cta-box h2{position:relative;margin:0 0 12px;font-size:clamp(28px,4vw,46px);line-height:1.12;letter-spacing:-.05em}
    .cta-box p{position:relative;margin:0;color:rgba(255,255,255,.74)}
    .cta-form{
      position:relative;
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(10px);
      display:grid;
      gap:10px;
    }
    .cta-form .field{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.92)}
    .site-footer{
      padding:50px 0 28px;
      background:#121a16;
      color:#fff;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:30px;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:950;font-size:18px;letter-spacing:-.04em}
    .footer-desc{max-width:520px;color:rgba(255,255,255,.62);margin:14px 0 0}
    .footer-col h3{margin:0 0 12px;font-size:15px;color:#fff}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.62);font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,255,255,.48);
      font-size:13px;
    }
    @media (max-width:1024px){
      .command-search{display:none}
      .hero-wrap,.demo-grid,.rules-wrap,.channel-wrap,.news-layout,.cta-box{grid-template-columns:1fr}
      .hero-copy{min-height:auto}
      .coupon-grid{grid-template-columns:repeat(2,1fr)}
      .pricing-grid{grid-template-columns:1fr}
      .recommend-box{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      section{padding:58px 0}
      .nav{min-height:68px}
      .nav-center{
        position:absolute;
        left:14px;right:14px;top:74px;
        justify-content:center;
        border-radius:20px;
        transform:translateY(-8px);
        opacity:0;
        pointer-events:none;
        transition:var(--ease);
      }
      .site-header.nav-open .nav-center{
        opacity:1;
        pointer-events:auto;
        transform:translateY(0);
      }
      .nav-actions .btn-secondary{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .hero{padding-top:28px}
      .hero-copy{padding:28px}
      .hero-points{grid-template-columns:1fr}
      .paper-card{grid-template-columns:1fr}
      .paper-cover{height:210px}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .view-grid,.faq-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-arrow{display:none}
      .thumb-grid{grid-template-columns:1fr 1fr;grid-auto-rows:110px}
      .thumb:nth-child(1){grid-row:span 1}
      .footer-grid{grid-template-columns:1fr}
      .cta-box{padding:28px}
    }
    @media (max-width:520px){
      h1{font-size:39px}
      .brand span:last-child{font-size:15px;max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .coupon-grid{grid-template-columns:1fr}
      .hero-actions,.cta-form .btn{width:100%}
      .btn{width:100%}
      .media-card{flex-basis:265px}
      .rule-item{grid-template-columns:1fr}
      .stage-toolbar{align-items:flex-start;flex-direction:column}
    }