:root{
      --bg:#fff8f1;
      --bg2:#fff2e2;
      --card:#ffffff;
      --text:#24170f;
      --muted:#765d4c;
      --orange:#ff6a00;
      --orange2:#ff9a1f;
      --red:#f0442e;
      --line:#f3d8bd;
      --shadow:0 18px 50px rgba(190,82,0,.13);
      --radius:24px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 10%,rgba(255,132,0,.16),transparent 28%),
        radial-gradient(circle at 88% 18%,rgba(240,68,46,.12),transparent 30%),
        linear-gradient(180deg,#fffaf4 0%,#fff7ed 45%,#fffaf6 100%);
      line-height:1.68;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto;display:block}
    .container{width:min(var(--container),calc(100% - 36px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,248,241,.92);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(243,216,189,.8);
    }
    .nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:12px;min-width:180px}
    .brand-logo{width:138px;display:flex;align-items:center}
    .brand-text{font-weight:800;font-size:16px;white-space:nowrap}
    .menu{display:flex;align-items:center;gap:18px;font-size:14px;color:#4c3728}
    .menu a{padding:8px 2px;border-bottom:2px solid transparent}
    .menu a:hover{color:var(--orange);border-color:var(--orange)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;border-radius:999px;padding:12px 20px;
      font-weight:800;cursor:pointer;transition:.25s ease;
      white-space:nowrap;font-size:14px;
    }
    .btn-primary{background:linear-gradient(135deg,var(--orange),var(--red));color:#fff;box-shadow:0 12px 28px rgba(255,106,0,.28)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,106,0,.34)}
    .btn-ghost{background:#fff;color:#432719;border:1px solid var(--line)}
    .btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;color:#321c10}
    main{overflow:hidden}
    .hero{padding:74px 0 48px;position:relative}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:#fff;border:1px solid var(--line);border-radius:999px;
      padding:8px 13px;color:#8b3a00;font-weight:800;font-size:13px;
      box-shadow:0 10px 26px rgba(255,106,0,.08)
    }
    h1{font-size:clamp(38px,6vw,68px);line-height:1.05;margin:22px 0 20px;letter-spacing:-1.8px}
    .gradient-text{color:#f25b12}
    .hero p{font-size:18px;color:#5d4434;margin:0 0 28px;max-width:760px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:13px;color:#654636}
    .orb-panel{
      min-height:430px;border-radius:36px;padding:26px;
      background:linear-gradient(145deg,rgba(255,255,255,.88),rgba(255,227,195,.74));
      border:1px solid rgba(255,163,82,.45);
      box-shadow:var(--shadow);position:relative;overflow:hidden;
    }
    .orb-panel:before{
      content:"";position:absolute;inset:auto -90px -100px auto;width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle,#ff7a00,rgba(255,122,0,0));animation:pulse 5s ease-in-out infinite;
    }
    .signal{
      position:absolute;border-radius:999px;background:linear-gradient(90deg,#ff6a00,#ffcf7a);
      opacity:.18;height:12px;animation:float 4.8s ease-in-out infinite;
    }
    .signal.s1{width:220px;left:42px;top:64px}
    .signal.s2{width:150px;right:50px;top:132px;animation-delay:.5s}
    .signal.s3{width:260px;left:70px;bottom:86px;animation-delay:1s}
    .tech-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;margin-bottom:16px;box-shadow:0 12px 34px rgba(156,67,0,.09)}
    .tech-card strong{font-size:22px;display:block;margin-bottom:8px}
    .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;position:relative;margin-top:22px}
    .mini{background:rgba(255,255,255,.84);border:1px solid var(--line);border-radius:20px;padding:18px}
    .mini b{display:block;font-size:26px;color:#e9500b}
    .section{padding:66px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:30px}
    .section-kicker{color:#df5600;font-weight:900;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
    h2{font-size:clamp(28px,4vw,42px);line-height:1.18;margin:8px 0 0;letter-spacing:-.8px}
    .section-head p,.lead{color:var(--muted);max-width:760px;margin:10px 0 0}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}
    .metric .num{font-size:34px;font-weight:900;color:#ef5b0b;line-height:1}
    .metric span{color:#6f5545;font-size:14px}
    .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .card{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 14px 40px rgba(172,79,0,.09);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:0 20px 52px rgba(172,79,0,.14)}
    .icon{width:44px;height:44px;border-radius:15px;background:linear-gradient(135deg,#ff6a00,#ffb347);display:grid;place-items:center;color:#fff;font-weight:900;margin-bottom:14px}
    h3{font-size:20px;margin:0 0 10px}
    .card p{color:#6b5241;margin:0}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
    .image-wrap{background:#fff;border:1px solid var(--line);border-radius:28px;padding:12px;box-shadow:var(--shadow);overflow:hidden}
    .image-wrap img{border-radius:20px;width:100%;object-fit:contain}
    .feature-list{display:grid;gap:12px;margin-top:18px}
    .feature-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px}
    .check{width:24px;height:24px;flex:0 0 24px;border-radius:50%;background:#fff0df;color:#e9540b;display:grid;place-items:center;font-weight:900}
    .steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;position:relative}
    .step:before{counter-increment:step;content:"0" counter(step);display:inline-flex;margin-bottom:18px;color:#fff;background:#ef5b0b;border-radius:999px;padding:5px 11px;font-weight:900}
    .table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:780px}
    th,td{padding:16px 18px;border-bottom:1px solid #f5dfc9;text-align:left;vertical-align:top}
    th{background:#fff0df;color:#5a2d14}
    tr:last-child td{border-bottom:0}
    .rating{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:linear-gradient(135deg,#fff,#ffe9d0);border:1px solid var(--line);border-radius:26px;padding:24px;margin-bottom:20px}
    .stars{font-size:24px;color:#ff8a00;letter-spacing:2px}
    .score{font-size:38px;font-weight:900;color:#ef4f12}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:9px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#6b4029;font-size:14px}
    .timeline{display:grid;gap:14px}
    .time-item{display:grid;grid-template-columns:140px 1fr;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}
    .time-item b{color:#ef5b0b}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .review{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 12px 34px rgba(172,79,0,.08)}
    .review p{margin:0 0 14px;color:#5d4434}
    .review strong{display:block}
    .review span{color:#8a6b56;font-size:13px}
    .article-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .article-box,.link-box{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}
    .article-links{display:grid;gap:10px;margin-top:14px}
    .article-links a,.friend-links a{color:#7a3500;border-bottom:1px dashed #e7b98a;width:max-content;max-width:100%}
    .friend-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .faq-question{width:100%;background:transparent;border:0;text-align:left;padding:18px 20px;font-weight:900;color:#2b1b12;display:flex;justify-content:space-between;gap:18px;cursor:pointer;font-size:16px}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-answer p{margin:0;padding:0 20px 18px;color:#6b5241}
    .faq-item.active .faq-answer{max-height:220px}
    .form-card{background:linear-gradient(145deg,#fff,#fff0df);border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    label{display:grid;gap:7px;font-weight:800;color:#493123;font-size:14px}
    input,select,textarea{width:100%;border:1px solid #edccb0;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:#2b1b12;outline:none}
    input:focus,select:focus,textarea:focus{border-color:#ff7a00;box-shadow:0 0 0 4px rgba(255,122,0,.12)}
    textarea{min-height:126px;resize:vertical}
    .full{grid-column:1/-1}
    .site-footer{background:#2a160d;color:#fff3e8;padding:38px 0 26px;margin-top:20px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
    .footer-logo{width:150px;margin-bottom:12px}
    .site-footer p{color:#f0cdb6;margin:8px 0}
    .site-footer a{color:#ffe2c2}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
    .copyright{border-top:1px solid rgba(255,255,255,.16);margin-top:24px;padding-top:18px;color:#e9c4ad;font-size:13px}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:60;
      display:grid;gap:10px;
    }
    .float-panel{display:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;width:170px;box-shadow:var(--shadow)}
    .float-panel img{border-radius:12px}
    .float-panel p{margin:8px 0 0;font-size:12px;color:#5d4434;text-align:center}
    .float-btn{border:0;border-radius:999px;background:linear-gradient(135deg,#ff6a00,#ef4028);color:#fff;padding:12px 16px;font-weight:900;box-shadow:0 14px 32px rgba(239,64,40,.28);cursor:pointer}
    .backtop{background:#fff;color:#6b2d0b;border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.visible{opacity:1;transform:none}
    @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
    @keyframes pulse{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.08);opacity:.45}}
    @media (max-width:980px){
      .menu{
        position:absolute;left:18px;right:18px;top:82px;
        background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px;
        display:none;grid-template-columns:repeat(2,1fr);box-shadow:var(--shadow)
      }
      .menu.open{display:grid}
      .menu-toggle{display:inline-flex}
      .nav-actions .btn-ghost{display:none}
      .hero-grid,.split,.article-grid,.footer-grid{grid-template-columns:1fr}
      .metrics,.steps{grid-template-columns:repeat(2,1fr)}
      .cards,.reviews{grid-template-columns:repeat(2,1fr)}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,var(--container))}
      .nav{height:68px}
      .brand-text{display:none}
      .brand-logo{width:118px}
      .menu{grid-template-columns:1fr}
      .hero{padding:46px 0 36px}
      .orb-panel{min-height:auto}
      .metrics,.cards,.steps,.reviews,.mini-grid,.form-grid{grid-template-columns:1fr}
      .section{padding:46px 0}
      .section-head{display:block}
      .time-item{grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      h1{letter-spacing:-.8px}
    }