/* roulang page: index */
:root{
      --bg:#f4f7f4;
      --surface:#ffffff;
      --surface-2:#eff7f4;
      --ink:#11201e;
      --muted:#66736f;
      --weak:#8b9894;
      --primary:#0f5b55;
      --primary-2:#127b70;
      --primary-soft:#dff2ee;
      --accent:#ff8a3d;
      --accent-2:#ffd9ba;
      --cyan:#72d6c9;
      --danger:#d84d4d;
      --success:#1a9a6b;
      --warning:#b77713;
      --line:#dbe6e2;
      --line-strong:#c8d7d2;
      --shadow-sm:0 8px 22px rgba(24,45,41,.08);
      --shadow-md:0 18px 50px rgba(19,54,48,.14);
      --shadow-lg:0 28px 70px rgba(15,91,85,.18);
      --radius-xs:10px;
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:30px;
      --radius-xl:40px;
      --container:1180px;
      --font: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      --mono: "SFMono-Regular","Consolas","Liberation Mono",monospace;
      --ease: cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 10% -8%, rgba(255,138,61,.16), transparent 30%),
        radial-gradient(circle at 85% 8%, rgba(18,123,112,.18), transparent 34%),
        linear-gradient(180deg,#f8fbf8 0%,var(--bg) 44%,#edf4f1 100%);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease)}
    img,svg{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{border:0;background:none;cursor:pointer}
    input,textarea,select{width:100%;border:0;outline:none}
    ::selection{background:rgba(255,138,61,.28);color:#10211f}
    :focus-visible{outline:3px solid rgba(255,138,61,.45);outline-offset:3px;border-radius:12px}

    .container{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(15,91,85,.08);
      color:var(--primary);
      border:1px solid rgba(15,91,85,.12);
      font-size:13px;font-weight:800;letter-spacing:.03em;
    }
    .eyebrow::before{
      content:"";width:8px;height:8px;border-radius:999px;background:var(--accent);
      box-shadow:0 0 0 5px rgba(255,138,61,.13);
    }
    .section-head{
      display:grid;
      grid-template-columns:minmax(0, 1fr) minmax(260px, 420px);
      gap:30px;
      align-items:end;
      margin-bottom:28px;
    }
    .section-title{font-size:clamp(28px,4vw,44px);line-height:1.18;letter-spacing:-.04em;margin-top:12px}
    .section-desc{color:var(--muted);font-size:16px;line-height:1.9}
    .section-desc strong{color:var(--primary)}

    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(248,251,248,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(219,230,226,.78);
    }
    .brand-row{
      min-height:74px;
      display:flex;align-items:center;justify-content:space-between;gap:24px;
    }
    .brand{
      display:inline-flex;align-items:center;gap:12px;font-weight:950;letter-spacing:-.03em;
      font-size:22px;
    }
    .brand-mark{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;color:white;font-weight:950;
      background:
        linear-gradient(135deg, rgba(255,138,61,.96), rgba(18,123,112,.96)),
        var(--primary);
      box-shadow:0 12px 28px rgba(15,91,85,.2);
      position:relative;overflow:hidden;
    }
    .brand-mark::after{
      content:"";position:absolute;inset:7px;border-radius:12px;border:1px solid rgba(255,255,255,.45);
    }
    .brand small{display:block;font-size:12px;font-weight:700;color:var(--muted);letter-spacing:0;margin-top:-3px}
    .header-tools{display:flex;align-items:center;gap:12px;min-width:0}
    .search-shell{
      width:330px;max-width:38vw;
      height:44px;border:1px solid var(--line);
      background:#fff;border-radius:999px;
      display:flex;align-items:center;gap:10px;
      padding:0 14px;box-shadow:var(--shadow-sm);
    }
    .search-shell span{color:var(--weak);font-size:17px}
    .search-shell input{background:transparent;color:var(--ink);font-size:14px}
    .search-shell input::placeholder{color:#98a4a0}
    .nav-toggle{display:none;width:44px;height:44px;border-radius:14px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .nav-toggle i,.nav-toggle i::before,.nav-toggle i::after{
      display:block;width:18px;height:2px;background:var(--primary);border-radius:9px;margin:auto;position:relative;transition:.22s var(--ease)
    }
    .nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0}
    .nav-toggle i::before{top:-6px}.nav-toggle i::after{top:6px}
    .nav-toggle.active i{background:transparent}
    .nav-toggle.active i::before{top:0;transform:rotate(45deg)}
    .nav-toggle.active i::after{top:0;transform:rotate(-45deg)}
    .top-cta{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 18px;border-radius:999px;
      background:var(--primary);color:#fff;font-size:14px;font-weight:850;
      box-shadow:0 12px 24px rgba(15,91,85,.18);
      white-space:nowrap;
    }
    .top-cta:hover{background:var(--primary-2);transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,91,85,.24)}
    .channel-row{border-top:1px solid rgba(219,230,226,.68)}
    .channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px}
    .main-nav{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
    .main-nav::-webkit-scrollbar{display:none}
    .main-nav a{
      display:inline-flex;align-items:center;justify-content:center;
      height:34px;padding:0 14px;border-radius:999px;
      color:var(--muted);font-size:14px;font-weight:850;white-space:nowrap;
    }
    .main-nav a:hover{color:var(--primary);background:rgba(15,91,85,.07)}
    .main-nav a.active{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(15,91,85,.16)}
    .nav-status{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;white-space:nowrap}
    .status-dot{width:8px;height:8px;border-radius:99px;background:var(--success);box-shadow:0 0 0 5px rgba(26,154,107,.12)}

    .hero{padding:54px 0 36px}
    .hero-board{
      border:1px solid rgba(200,215,210,.9);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(15,91,85,.96), rgba(18,123,112,.88) 42%, rgba(255,138,61,.86)),
        linear-gradient(180deg,#fff,#eef8f5);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
      color:#fff;
    }
    .hero-board::before{
      content:"";position:absolute;inset:0;
      background:
        radial-gradient(circle at 15% 20%, rgba(255,255,255,.2), transparent 25%),
        linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.07) 1px, transparent 1px);
      background-size:auto, 44px 44px, 44px 44px;
      pointer-events:none;
      opacity:.72;
    }
    .hero-content{position:relative;padding:42px;display:grid;grid-template-columns:1.02fr .98fr;gap:28px;align-items:stretch}
    .pain-line{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
      color:rgba(255,255,255,.9);font-size:15px;font-weight:800;margin-bottom:18px;
    }
    .pain-line b{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18)}
    h1{
      max-width:760px;
      font-size:clamp(38px,6.6vw,72px);
      line-height:1.04;
      letter-spacing:-.07em;
      margin:0 0 18px;
    }
    .hero-lead{
      max-width:720px;
      color:rgba(255,255,255,.88);
      font-size:18px;
      line-height:1.9;
      margin-bottom:24px;
    }
    .hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:26px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 20px;border-radius:999px;
      font-weight:900;font-size:15px;
      border:1px solid transparent;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
    }
    .btn-primary{background:var(--accent);color:#1c160f;box-shadow:0 16px 30px rgba(255,138,61,.24)}
    .btn-primary:hover{transform:translateY(-3px);background:#ff9a53;box-shadow:0 22px 42px rgba(255,138,61,.32)}
    .btn-light{background:rgba(255,255,255,.13);color:#fff;border-color:rgba(255,255,255,.24)}
    .btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-3px)}
    .btn-dark{background:var(--primary);color:#fff;box-shadow:0 14px 30px rgba(15,91,85,.18)}
    .btn-dark:hover{background:var(--primary-2);transform:translateY(-2px);box-shadow:0 18px 38px rgba(15,91,85,.24)}
    .btn-ghost{background:#fff;color:var(--primary);border-color:var(--line)}
    .btn-ghost:hover{border-color:rgba(15,91,85,.24);background:var(--primary-soft);transform:translateY(-2px)}
    .metric-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:720px}
    .metric{
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.12);
      border-radius:18px;
      padding:14px;
      backdrop-filter:blur(12px);
    }
    .metric strong{display:block;font-size:23px;line-height:1.1;letter-spacing:-.03em}
    .metric span{display:block;color:rgba(255,255,255,.78);font-size:13px;margin-top:4px}
    .demo-stage{
      min-height:100%;
      border-radius:30px;
      background:rgba(12,41,38,.42);
      border:1px solid rgba(255,255,255,.19);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
      padding:16px;
      display:grid;
      grid-template-rows:auto 1fr auto;
      gap:14px;
      backdrop-filter:blur(16px);
      overflow:hidden;
    }
    .demo-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .window-dots{display:flex;gap:7px}
    .window-dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.38)}
    .window-dots i:nth-child(1){background:#ff725e}.window-dots i:nth-child(2){background:#ffd166}.window-dots i:nth-child(3){background:#77dd77}
    .countdown{
      display:flex;align-items:center;gap:8px;
      padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);font-size:12px;font-weight:850;color:rgba(255,255,255,.88)
    }
    .chat-flow{display:grid;gap:12px;align-content:center}
    .chat-bubble{
      width:fit-content;max-width:88%;
      padding:12px 14px;border-radius:18px;
      background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);
      color:rgba(255,255,255,.92);
      box-shadow:0 12px 26px rgba(0,0,0,.08);
    }
    .chat-bubble:nth-child(2){justify-self:end;background:rgba(255,138,61,.24)}
    .chat-bubble strong{display:block;font-size:13px;margin-bottom:3px;color:#fff}
    .chat-bubble span{font-size:14px;color:rgba(255,255,255,.82)}
    .feature-rotator{
      position:relative;min-height:80px;
      border-radius:22px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);
      padding:16px;
    }
    .feature-slide{display:none}
    .feature-slide.active{display:block;animation:fadeUp .36s var(--ease)}
    .feature-slide b{display:block;font-size:16px;margin-bottom:4px}
    .feature-slide p{color:rgba(255,255,255,.78);font-size:13px;line-height:1.7}
    @keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

    .benefits-wrap{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:24px;
      align-items:start;
    }
    .benefit-panel{
      position:sticky;top:140px;
      border-radius:var(--radius-lg);
      padding:26px;
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .benefit-panel h3{font-size:24px;line-height:1.25;margin:12px 0 12px;letter-spacing:-.03em}
    .benefit-panel p{color:var(--muted);font-size:15px}
    .parameter-list{display:grid;gap:12px;margin-top:22px}
    .parameter{
      display:grid;grid-template-columns:86px 1fr auto;gap:12px;align-items:center;
      padding:12px;border-radius:16px;background:var(--surface-2);border:1px solid rgba(15,91,85,.08)
    }
    .parameter span{font-size:13px;color:var(--muted);font-weight:800}
    .bar{height:8px;border-radius:99px;background:#d7e7e2;overflow:hidden}
    .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .parameter b{font-size:13px;color:var(--primary)}
    .benefit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-sm);
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
    }
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(15,91,85,.22)}
    .benefit-card{padding:22px}
    .icon{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary-soft),#fff6ed);
      color:var(--primary);font-size:22px;margin-bottom:16px;
    }
    .benefit-card h3{font-size:20px;margin-bottom:8px;letter-spacing:-.03em}
    .benefit-card p{color:var(--muted);font-size:14px;line-height:1.8}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
    .tag{
      display:inline-flex;align-items:center;
      padding:5px 9px;border-radius:999px;
      background:rgba(15,91,85,.07);
      color:var(--primary);
      font-size:12px;font-weight:850;
      border:1px solid rgba(15,91,85,.08);
    }

    .starter{
      margin-top:30px;
      padding:28px;
      border-radius:var(--radius-lg);
      background:#102d2a;
      color:#fff;
      overflow:hidden;
      position:relative;
      box-shadow:var(--shadow-md);
    }
    .starter::after{content:"";position:absolute;width:250px;height:250px;border-radius:50%;right:-80px;top:-80px;background:rgba(255,138,61,.23);filter:blur(4px)}
    .starter-head{position:relative;display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:20px}
    .starter h2{font-size:30px;line-height:1.2;letter-spacing:-.04em}
    .starter p{color:rgba(255,255,255,.76);max-width:570px}
    .steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .step{
      padding:18px;border-radius:20px;background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
    }
    .step b{
      display:grid;place-items:center;width:34px;height:34px;border-radius:12px;
      background:var(--accent);color:#20150d;margin-bottom:12px;font-family:var(--mono);
    }
    .step h3{font-size:16px;margin-bottom:6px}
    .step span{display:block;color:rgba(255,255,255,.72);font-size:13px;line-height:1.7}

    .pricing-shell{
      display:grid;
      grid-template-columns:1fr 1.16fr 1fr;
      gap:16px;
      align-items:stretch;
    }
    .price-card{
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .price-card.featured{
      background:linear-gradient(180deg,#ffffff,#f0fbf7);
      border-color:rgba(15,91,85,.28);
      transform:translateY(-10px);
      box-shadow:var(--shadow-lg);
    }
    .price-card.featured:hover{transform:translateY(-14px)}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      background:var(--primary-soft);color:var(--primary);
      font-size:12px;font-weight:900;border:1px solid rgba(15,91,85,.1);
    }
    .badge.hot{background:#fff0e5;color:#a34f16;border-color:#ffd7bb}
    .price-card h3{font-size:24px;margin:14px 0 8px;letter-spacing:-.03em}
    .price{display:flex;align-items:flex-end;gap:5px;margin:12px 0 14px}
    .price strong{font-size:42px;line-height:1;letter-spacing:-.05em}
    .price span{color:var(--muted);font-size:14px;margin-bottom:5px}
    .price-card p{color:var(--muted);font-size:14px;line-height:1.8}
    .feature-list{display:grid;gap:10px;margin:18px 0 22px;list-style:none}
    .feature-list li{display:flex;gap:9px;color:#34423f;font-size:14px;line-height:1.65}
    .feature-list li::before{content:"✓";color:var(--success);font-weight:950;flex:0 0 auto}
    .price-note{
      margin-top:18px;
      padding:14px 16px;
      border-radius:18px;
      background:#fff8ef;
      border:1px solid #ffe0c4;
      color:#7a4a1d;
      font-size:14px;
    }

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:22px;
      align-items:start;
    }
    .news-list{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:110px 1fr auto;
      gap:18px;align-items:center;
      padding:20px 22px;
      border-bottom:1px solid var(--line);
    }
    .news-item:last-child{border-bottom:0}
    .news-date{
      font-family:var(--mono);font-size:13px;color:var(--primary);
      background:var(--surface-2);border:1px solid rgba(15,91,85,.08);
      border-radius:14px;padding:8px 10px;text-align:center;font-weight:800;
    }
    .news-item h3{font-size:18px;line-height:1.45;margin-bottom:4px}
    .news-item h3 a:hover{color:var(--primary)}
    .news-item p{color:var(--muted);font-size:14px;line-height:1.75}
    .arrow{
      width:36px;height:36px;border-radius:14px;
      display:grid;place-items:center;
      background:var(--surface-2);color:var(--primary);font-weight:950;
    }
    .news-item:hover .arrow{background:var(--primary);color:#fff;transform:translateX(3px)}
    .recommend{
      padding:22px;
      background:#132c29;
      color:#fff;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-md);
    }
    .recommend h3{font-size:23px;line-height:1.25;margin-bottom:10px}
    .recommend p{color:rgba(255,255,255,.75);font-size:14px}
    .recommend-list{display:grid;gap:12px;margin-top:18px}
    .recommend-list a{
      display:flex;justify-content:space-between;gap:12px;
      padding:14px;border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }
    .recommend-list a:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
    .recommend-list b{font-size:15px}
    .recommend-list span{color:rgba(255,255,255,.66);font-size:12px;white-space:nowrap}
    .related-track{
      margin-top:24px;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:16px;
    }
    .related-card{
      min-height:154px;
      padding:22px;
      border-radius:var(--radius-md);
      background:
        linear-gradient(135deg,rgba(255,255,255,.92),rgba(239,247,244,.92)),
        var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      position:relative;overflow:hidden;
    }
    .related-card::after{
      content:"";position:absolute;width:120px;height:120px;border-radius:50%;right:-42px;bottom:-48px;
      background:rgba(255,138,61,.14);
    }
    .related-card h3{font-size:19px;margin:10px 0 6px}
    .related-card p{color:var(--muted);font-size:14px;line-height:1.75;position:relative}
    .related-card a{position:relative;display:inline-flex;margin-top:14px;color:var(--primary);font-weight:900;font-size:14px}
    .related-card a:hover{color:var(--accent)}

    .open-panel{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(15,91,85,.95),rgba(17,32,30,.96)),
        #10211e;
      color:#fff;
      padding:34px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .open-panel::before{
      content:"";position:absolute;right:-150px;top:-180px;width:430px;height:430px;border-radius:50%;
      background:rgba(255,138,61,.24);
    }
    .open-copy,.open-form-wrap{position:relative}
    .open-copy h2{font-size:clamp(30px,4.6vw,50px);line-height:1.1;letter-spacing:-.05em;margin:12px 0 16px}
    .open-copy p{color:rgba(255,255,255,.78);font-size:16px;line-height:1.9;max-width:560px}
    .open-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}
    .open-check{
      padding:15px;border-radius:18px;background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.86);font-size:14px;
    }
    .open-form{
      background:rgba(255,255,255,.94);
      color:var(--ink);
      border-radius:28px;
      padding:22px;
      box-shadow:0 22px 56px rgba(0,0,0,.18);
    }
    .form-grid{display:grid;gap:13px}
    .field label{display:block;font-size:13px;font-weight:900;color:#34423f;margin-bottom:7px}
    .field input,.field select,.field textarea{
      min-height:48px;
      border-radius:16px;
      padding:0 14px;
      background:#f7faf8;
      border:1px solid var(--line);
      color:var(--ink);
      transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
    }
    .field textarea{padding:13px 14px;min-height:84px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(15,91,85,.45);
      box-shadow:0 0 0 4px rgba(15,91,85,.1);
      background:#fff;
    }
    .form-tip{font-size:12px;color:var(--muted);line-height:1.7;margin-top:10px}
    .form-message{
      display:none;margin-top:12px;padding:12px 14px;border-radius:16px;
      background:#e8f7ef;color:#1c6c4e;border:1px solid #c9ead8;font-size:14px;
    }
    .form-message.show{display:block;animation:fadeUp .28s var(--ease)}

    .progress-section{margin-top:24px}
    .progress-card{
      padding:24px;border-radius:var(--radius-lg);
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .progress-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px}
    .progress-head h2{font-size:28px;letter-spacing:-.04em}
    .progress-head p{color:var(--muted);font-size:14px;max-width:520px}
    .task-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .task{
      padding:16px;border-radius:18px;background:var(--surface-2);border:1px solid rgba(15,91,85,.08);
    }
    .task-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .task b{font-size:15px}
    .task em{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--primary);font-weight:900}
    .task p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}
    .mini-progress{height:7px;background:#dcebe6;border-radius:99px;overflow:hidden}
    .mini-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:99px}

    .faq-wrap{
      display:grid;
      grid-template-columns:360px 1fr;
      gap:26px;
      align-items:start;
    }
    .faq-aside{
      padding:26px;border-radius:var(--radius-lg);
      background:linear-gradient(180deg,#ffffff,#edf7f4);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .faq-aside h2{font-size:32px;line-height:1.15;letter-spacing:-.04em;margin:12px 0}
    .faq-aside p{color:var(--muted);font-size:15px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:22px;
      background:var(--surface);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:20px 22px;color:var(--ink);font-weight:950;text-align:left;
    }
    .faq-question span{font-size:18px;line-height:1.5}
    .faq-question i{
      flex:0 0 auto;width:32px;height:32px;border-radius:12px;
      display:grid;place-items:center;background:var(--surface-2);color:var(--primary);
      font-style:normal;font-weight:950;transition:transform .22s var(--ease),background .22s var(--ease);
    }
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9}
    .faq-item.active{border-color:rgba(15,91,85,.24)}
    .faq-item.active .faq-answer{display:block;animation:fadeUp .24s var(--ease)}
    .faq-item.active .faq-question i{transform:rotate(45deg);background:var(--primary);color:#fff}

    .site-footer{
      background:#0d211f;
      color:#fff;
      padding:44px 0 26px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";position:absolute;left:-120px;top:-160px;width:330px;height:330px;border-radius:50%;
      background:rgba(255,138,61,.14);
    }
    .footer-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:950;margin-bottom:14px}
    .footer-brand .brand-mark{width:42px;height:42px}
    .footer-about p{color:rgba(255,255,255,.68);max-width:520px;font-size:14px;line-height:1.9}
    .footer-col h3{font-size:15px;margin-bottom:12px;color:rgba(255,255,255,.9)}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-links span{color:rgba(255,255,255,.62);font-size:14px}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      position:relative;
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      padding-top:22px;color:rgba(255,255,255,.56);font-size:13px;
    }
    .floating-cta{
      position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
      z-index:45;
      width:min(760px, calc(100% - 28px));
      padding:10px;
      border-radius:999px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(219,230,226,.9);
      box-shadow:0 18px 44px rgba(15,35,31,.16);
      backdrop-filter:blur(16px);
      display:flex;align-items:center;justify-content:space-between;gap:12px;
    }
    .floating-cta p{font-size:14px;color:var(--muted);padding-left:12px}
    .floating-cta b{color:var(--ink)}
    .floating-cta .btn{min-height:40px;padding:0 16px;font-size:13px}

    @media (max-width:1024px){
      .section{padding:68px 0}
      .hero-content{grid-template-columns:1fr;padding:32px}
      .demo-stage{min-height:420px}
      .benefits-wrap,.news-layout,.open-panel,.faq-wrap{grid-template-columns:1fr}
      .benefit-panel{position:relative;top:auto}
      .pricing-shell{grid-template-columns:1fr}
      .price-card.featured{transform:none}
      .price-card.featured:hover{transform:translateY(-5px)}
      .related-track{grid-template-columns:1fr 1fr}
      .task-list{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .search-shell{width:270px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .brand-row{min-height:66px}
      .brand{font-size:19px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .search-shell{display:none}
      .nav-toggle{display:inline-grid;place-items:center}
      .top-cta{display:none}
      .channel-row{display:none}
      .site-header.menu-open .channel-row{
        display:block;
        position:absolute;left:14px;right:14px;top:72px;
        background:rgba(255,255,255,.96);
        border:1px solid var(--line);
        border-radius:22px;
        box-shadow:var(--shadow-md);
        padding:10px;
      }
      .channel-inner{display:block;min-height:0}
      .main-nav{display:grid;gap:8px;overflow:visible}
      .main-nav a{justify-content:flex-start;height:42px}
      .nav-status{margin-top:8px;padding:10px 12px;border-radius:16px;background:var(--surface-2)}
      .hero{padding-top:30px}
      .hero-content{padding:24px;border-radius:28px}
      .hero-board{border-radius:30px}
      h1{font-size:clamp(34px,11vw,54px)}
      .hero-lead{font-size:16px}
      .metric-strip{grid-template-columns:1fr}
      .demo-stage{min-height:auto}
      .section-head{grid-template-columns:1fr;gap:14px}
      .benefit-grid,.steps,.open-checks{grid-template-columns:1fr}
      .starter-head{display:block}
      .news-item{grid-template-columns:1fr;gap:10px}
      .news-date{width:max-content}
      .arrow{display:none}
      .related-track{grid-template-columns:1fr}
      .open-panel{padding:24px;border-radius:30px}
      .task-list{grid-template-columns:1fr}
      .progress-head{display:block}
      .footer-grid{grid-template-columns:1fr}
      .floating-cta{border-radius:24px;align-items:stretch;flex-direction:column}
      .floating-cta p{padding:0 6px;text-align:center}
      .floating-cta .btn{width:100%}
    }
    @media (max-width:520px){
      body{line-height:1.72}
      .section{padding:54px 0}
      .section-tight{padding:44px 0}
      .hero-actions{display:grid}
      .btn{width:100%}
      .pain-line{font-size:13px}
      .metric strong{font-size:20px}
      .parameter{grid-template-columns:1fr;gap:8px}
      .section-title{font-size:30px}
      .price strong{font-size:36px}
      .open-form{padding:18px;border-radius:22px}
      .faq-question{padding:18px}
      .faq-question span{font-size:16px}
      .faq-answer{padding:0 18px 18px}
    }