:root {
      --blue: #2196F3;
      --blue-d: #1565C0;
      --blue-l: #EAF4FF;
      --teal: #00BCD4;
      --green: #00C853;
      --gold: #FFC107;
      --gold-d: #F57F17;
      --gold-l: #FFF8E1;
      --red: #F44336;
      --text: #172033;
      --muted: #607080;
      --light: #90A4AE;
      --bg: #F5F8FF;
      --white: #FFFFFF;
      --border: #DDE6F1;
      --shadow: 0 8px 30px rgba(33,150,243,0.08);
      --shadow-h: 0 14px 36px rgba(33,150,243,0.14);
      --tr: .25s ease;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    body {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      font-family: 'Inter', sans-serif;
      background: var(--bg);
      color: var(--text);
      font-size: 15px;
      line-height: 1.6;
      overflow-x: hidden;
    }

    main.app-main { flex: 1 0 auto; }
    img, svg { max-width: 100%; display: block; }

    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-thumb { background: #b7d6f8; border-radius: 20px; }
    ::-webkit-scrollbar-track { background: transparent; }

    .site-nav {
      position: fixed;
      inset: 0 0 auto 0;
      z-index: 1000;
      height: 68px;
      background: rgba(245,248,255,0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(33,150,243,0.1);
      transition: box-shadow var(--tr), background var(--tr);
    }

    .site-nav.scrolled {
      box-shadow: 0 6px 24px rgba(33,150,243,0.10);
      background: rgba(255,255,255,0.95);
    }

    .nav-inner {
      height: 100%;
      width: 100%;
      max-width: 1180px;
      margin: 0 auto;
      padding: 0 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--text);
      font-size: 1.08rem;
      font-weight: 800;
      cursor: pointer;
      flex-shrink: 0;
    }

    .nav-logo-icon {
      border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      color: #fff;
      flex-shrink: 0;
    }

    .nav-menu { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }

    .nav-menu a {
      text-decoration: none; color: var(--muted); font-size: .88rem; font-weight: 700;
      padding: 9px 14px; border-radius: 10px; transition: all var(--tr); cursor: pointer; white-space: nowrap;
    }

    .nav-menu a:hover, .nav-menu a.active { color: var(--blue); background: var(--blue-l); }

    .nav-menu .nav-btn {
      background: var(--blue); color: #fff !important; border-radius: 999px;
      padding: 10px 18px !important; box-shadow: 0 8px 18px rgba(33,150,243,.22); margin-left: 6px;
    }

    .nav-menu .nav-btn:hover { background: var(--blue-d) !important; transform: translateY(-1px); }

    .nav-toggle {
      display: none; width: 40px; height: 40px; border: none; border-radius: 12px;
      background: var(--blue-l); color: var(--blue); align-items: center; justify-content: center;
      font-size: .95rem; cursor: pointer; flex-shrink: 0;
    }

    .nav-mobile {
      display: none;
      position: fixed; top: 68px; left: 0; right: 0; z-index: 999;
      background: rgba(255,255,255,0.98);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 12px 30px rgba(0,0,0,.08);
      padding: 12px 16px 16px;
    }

    .nav-mobile.open { display: block; }

    .nav-mobile a {
      display: flex; align-items: center; gap: 8px; text-decoration: none;
      color: var(--muted); font-size: .92rem; font-weight: 700; border-radius: 12px;
      padding: 12px 14px; transition: var(--tr); cursor: pointer;
    }

    .nav-mobile a:hover, .nav-mobile a.active { color: var(--blue); background: var(--blue-l); }
    .nav-mobile .mob-cta { margin-top: 8px; justify-content: center; background: var(--blue); color: #fff !important; }

    .page { display: none; }
    .page.active { display: block; }

    .hero { position: relative; padding: 118px 0 72px; overflow: hidden; }

    .blob { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(2px); }
    .blob-1 { width: 500px; height: 500px; top: -220px; left: -140px; background: radial-gradient(circle, rgba(33,150,243,.12) 0%, transparent 70%); }
    .blob-2 { width: 420px; height: 420px; right: -120px; bottom: -140px; background: radial-gradient(circle, rgba(0,188,212,.1) 0%, transparent 70%); }

    .hero-title { font-size: clamp(1.95rem, 4vw, 3rem); font-weight: 800; line-height: 1.12; letter-spacing: -0.03em; margin-bottom: 14px; }
    .hero-title .hl { background: linear-gradient(135deg, var(--blue), var(--teal)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

    .hero-sub { max-width: 460px; color: var(--muted); font-size: .96rem; line-height: 1.75; margin-bottom: 24px; }

    .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }

    .btn-main {
      border: none; border-radius: 999px; background: var(--blue); color: #fff;
      padding: 13px 24px; display: inline-flex; align-items: center; justify-content: center;
      gap: 8px; text-decoration: none; font-size: .92rem; font-weight: 700;
      box-shadow: 0 10px 22px rgba(33,150,243,.24); transition: var(--tr); cursor: pointer;
    }

    .btn-main:hover { background: var(--blue-d); transform: translateY(-2px); }

    .hero-stats { display: flex; flex-wrap: wrap; gap: 28px; padding-top: 24px; border-top: 1px solid var(--border); }

    .stat-n { font-size: 1.55rem; font-weight: 800; line-height: 1; }
    .stat-n em { font-style: normal; color: var(--blue); }
    .stat-l { margin-top: 4px; font-size: .78rem; color: var(--muted); font-weight: 700; }

    .hcard-wrap { display: flex; justify-content: center; }

    .hcard {
      position: relative; width: 100%; max-width: 430px;
      background: var(--white); border: 1px solid rgba(33,150,243,.10);
      border-radius: 24px; padding: 18px; box-shadow: var(--shadow); overflow: hidden;
    }

    .hero-lottie-only {
      width: 100%; min-height: 380px; border-radius: 20px; padding: 12px;
      display: flex; align-items: center; justify-content: center;
      background: radial-gradient(circle at top right, rgba(33,150,243,.08), transparent 38%),
        linear-gradient(180deg, #f9fcff 0%, #eef6ff 100%);
      border: 1px solid rgba(33,150,243,.10);
    }

    .hero-lottie-full { width: 100%; max-width: 360px; height: 310px; margin: 0 auto; }

    .fbadge {
      position: absolute; z-index: 2; background: #fff; border: 1px solid var(--border);
      border-radius: 12px; padding: 9px 13px; box-shadow: 0 8px 22px rgba(0,0,0,.08);
      display: flex; align-items: center; gap: 8px; font-size: .76rem; font-weight: 700; white-space: nowrap;
    }

    .fb1 { top: -8px; right: 12px; animation: floatY 3.2s ease-in-out infinite; }
    .fb2 { left: -10px; bottom: 12px; animation: floatY 3.8s ease-in-out infinite .4s; }

    .fb-ic {
      width: 24px; height: 24px; border-radius: 8px;
      display: flex; align-items: center; justify-content: center; font-size: .8rem; flex-shrink: 0;
    }

    .sec-tag {
      display: inline-flex; align-items: center; gap: 7px; font-size: .72rem; font-weight: 800;
      text-transform: uppercase; letter-spacing: .08em; color: var(--blue); margin-bottom: 10px;
    }

    .sec-tag::before { content: ""; width: 14px; height: 2px; border-radius: 3px; background: var(--blue); }

    .sec-title { font-size: clamp(1.35rem, 2.8vw, 2rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 12px; }
    .sec-desc { max-width: 440px; color: var(--muted); font-size: .9rem; line-height: 1.72; }

    .ref-section { padding: 0 0 60px; }

    .ref-card, .ref-mini {
      border-radius: 22px;
      background: linear-gradient(135deg, #E91E63 0%, #FF5722 55%, #FFC107 100%);
      position: relative; overflow: hidden;
    }

    .ref-card { padding: 42px 46px; }
    .ref-mini { padding: 30px 32px; }

    .ref-dots, .ref-mini::before {
      content: ""; position: absolute; inset: 0;
      background-image: radial-gradient(rgba(255,255,255,.11) 1.5px, transparent 1.5px);
      background-size: 24px 24px;
    }

    .ref-inner, .ref-mini-in { position: relative; z-index: 1; }

    .ref-title { color: #fff; font-size: 1.34rem; font-weight: 800; margin-bottom: 14px; }

    .ref-row { display: flex; align-items: flex-start; gap: 9px; margin-bottom: 10px; }
    .ref-row i { width: 14px; margin-top: 3px; color: rgba(255,255,255,.8); flex-shrink: 0; }
    .ref-row span { color: rgba(255,255,255,.94); font-size: .88rem; line-height: 1.58; }

    .ref-btn {
      margin-top: 18px; border: none; border-radius: 999px; background: #fff; color: var(--text);
      padding: 12px 22px; display: inline-flex; align-items: center; gap: 8px; font-size: .88rem;
      font-weight: 800; box-shadow: 0 8px 20px rgba(0,0,0,.12); transition: var(--tr); cursor: pointer;
    }

    .ref-btn:hover { transform: translateY(-2px); }

    .ref-lottie { width: 100%; max-width: 250px; height: 180px; margin: 0 auto; animation: floatY 3s ease-in-out infinite; }

    .features-sec { padding: 70px 0; }

    .feat-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid #edf2f8; }
    .feat-item:last-child { border-bottom: none; }

    .feat-icon { width: 42px; height: 42px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: .98rem; flex-shrink: 0; }
    .fi-b { background: rgba(33,150,243,.11); color: var(--blue); }
    .fi-y { background: rgba(255,193,7,.14); color: var(--gold-d); }
    .fi-r { background: rgba(244,67,54,.11); color: var(--red); }

    .feat-text h5 { font-size: .9rem; font-weight: 800; margin-bottom: 4px; }
    .feat-text p { margin: 0; color: var(--muted); font-size: .84rem; line-height: 1.65; }

    .buy-lottie-card {
      background: var(--white); border: 1px solid var(--border); border-radius: 20px;
      padding: 18px; min-height: 420px; display: flex; align-items: center; justify-content: center;
      box-shadow: var(--shadow);
    }

    .buy-lottie { width: 100%; max-width: 420px; height: 330px; margin: 0 auto; }

    .how-sec { padding: 70px 0; background: var(--white); }

    .step-card {
      position: relative; height: 100%; background: var(--bg); border: 1px solid var(--border);
      border-radius: 18px; padding: 22px 18px; overflow: hidden; transition: var(--tr);
    }

    .step-card::after {
      content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
      transform: scaleX(0); transform-origin: left; transition: var(--tr);
      background: linear-gradient(90deg, var(--blue), var(--teal));
    }

    .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); }
    .step-card:hover::after { transform: scaleX(1); }

    .step-num { font-size: 2rem; font-weight: 800; color: rgba(33,150,243,.12); line-height: 1; margin-bottom: 6px; }

    .step-ico {
      width: 44px; height: 44px; border-radius: 13px;
      display: flex; align-items: center; justify-content: center;
      background: linear-gradient(135deg, var(--blue), var(--teal));
      color: #fff; font-size: .98rem; margin-bottom: 12px;
      box-shadow: 0 8px 20px rgba(33,150,243,.22);
    }

    .step-card h5 { font-size: .9rem; font-weight: 800; margin-bottom: 6px; }
    .step-card p { margin: 0; font-size: .83rem; color: var(--muted); line-height: 1.64; }

    .faq-sec { padding: 70px 0; }

    .faq-item { background: var(--white); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; margin-bottom: 8px; }

    .faq-q {
      display: flex; align-items: center; justify-content: space-between; gap: 12px;
      cursor: pointer; padding: 16px 18px; font-size: .89rem; font-weight: 800; user-select: none;
    }

    .faq-ql { display: flex; align-items: center; gap: 9px; }
    .faq-ql i { width: 16px; color: var(--blue); text-align: center; flex-shrink: 0; }

    .faq-tog {
      width: 24px; height: 24px; flex-shrink: 0; border-radius: 50%; border: 1.5px solid var(--border);
      display: flex; align-items: center; justify-content: center; color: var(--muted);
      font-size: .78rem; transition: var(--tr);
    }

    .faq-a { max-height: 0; overflow: hidden; transition: max-height .28s ease; }

    .faq-a-in { padding: 0 18px 16px 43px; color: var(--muted); font-size: .84rem; line-height: 1.7; }

    .faq-item.open .faq-tog { background: var(--blue); border-color: var(--blue); color: #fff; transform: rotate(45deg); }
    .faq-item.open .faq-a { max-height: 180px; }

    .xiz-hero { position: relative; padding: 98px 0 42px; overflow: hidden; }

    .xiz-hero::before {
      content: ""; position: absolute; top: -220px; left: 50%; transform: translateX(-50%);
      width: 640px; height: 420px;
      background: radial-gradient(ellipse, rgba(33,150,243,.10) 0%, transparent 72%);
      pointer-events: none;
    }

    .pg-title { font-size: 1.65rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 6px; }
    .pg-sub { color: var(--muted); font-size: .9rem; line-height: 1.7; }

    .svc-card {
      height: 100%; background: var(--white); border: 2px solid var(--border); border-radius: 22px;
      padding: 28px 24px; text-align: center; display: flex; flex-direction: column;
      align-items: center; gap: 12px; cursor: pointer; transition: var(--tr);
      color: var(--text); box-shadow: 0 6px 20px rgba(33,150,243,.05);
    }

    .svc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); }
    .svc-card.sp:hover { border-color: var(--blue); }
    .svc-card.ss:hover { border-color: var(--gold); }

    .svc-icon { width: 120px; height: 120px; display: flex; align-items: center; justify-content: center; margin-bottom: 4px; }
    .svc-icon img { width: 120px; height: 120px; object-fit: contain; }

    .svc-card h3 { font-size: 1.12rem; font-weight: 800; margin-bottom: 0; }
    .svc-card p { font-size: .84rem; color: var(--muted); line-height: 1.65; margin: 0; max-width: 290px; }

    .svc-btn {
      margin-top: 4px; width: 100%; border: none; border-radius: 999px; padding: 11px 14px;
      display: flex; align-items: center; justify-content: center; gap: 8px;
      font-size: .88rem; font-weight: 800; cursor: pointer; transition: var(--tr);
      font-family: 'Inter', sans-serif;
    }

    .svc-btn.sb { background: var(--blue); color: #fff; box-shadow: 0 8px 18px rgba(33,150,243,.22); }
    .svc-btn.sg { background: var(--gold); color: #fff; box-shadow: 0 8px 18px rgba(255,193,7,.24); }
    .svc-btn:hover { transform: translateY(-1px); opacity: .92; }

    .tab-bar { display: none; padding: 0 0 28px; }
    .tab-bar.show { display: block; }

    .tab-wrap {
      width: fit-content; max-width: 100%; display: inline-flex;
      background: var(--white); border: 1px solid var(--border); border-radius: 999px;
      padding: 5px; box-shadow: 0 8px 22px rgba(0,0,0,.05);
    }

    .tab-btn {
      border: none; background: transparent; color: var(--muted); border-radius: 999px;
      padding: 11px 20px; display: flex; align-items: center; justify-content: center;
      gap: 8px; font-size: .88rem; font-weight: 800; transition: var(--tr); cursor: pointer;
      font-family: 'Inter', sans-serif; min-width: 180px;
    }

    .tab-btn.ab { background: var(--blue); color: #fff; box-shadow: 0 8px 18px rgba(33,150,243,.20); }
    .tab-btn.ag { background: var(--gold); color: var(--text); box-shadow: 0 8px 18px rgba(255,193,7,.22); }

    .tab-cont { display: none; }
    .tab-cont.active { display: block; }

    .pbox {
      position: relative; overflow: hidden; background: var(--white);
      border: 1px solid var(--border); border-radius: 22px; padding: 30px; box-shadow: var(--shadow);
    }

    .pbox::before {
      content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
      background: linear-gradient(90deg, var(--blue), var(--teal), var(--green));
    }

    .pbox.gold::before { background: linear-gradient(90deg, var(--gold), #FFA000, #FF7043); }

    .pbox-title { font-size: 1.55rem; font-weight: 800; text-align: center; margin-bottom: 6px; }
    .pbox-title .cb { color: var(--blue); }
    .pbox-title .cg { color: var(--gold-d); }

    .pbox-desc { text-align: center; color: var(--muted); font-size: .84rem; line-height: 1.65; margin-bottom: 24px; }

    .f-label { display: block; font-size: .84rem; font-weight: 800; margin-bottom: 7px; }
    .f-label i { margin-right: 6px; color: var(--blue); }
    .f-label.gi i { color: var(--gold-d); }

    .f-wrap { position: relative; }

    .f-ic { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--light); font-size: .86rem; z-index: 1; }

    .f-inp {
      width: 100%; height: 48px; border: 1.5px solid var(--border); border-radius: 13px;
      background: var(--bg); color: var(--text); padding: 0 14px 0 36px;
      outline: none; font-size: .9rem; font-family: 'Inter', sans-serif; transition: var(--tr);
    }

    .f-inp:focus { background: #fff; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(33,150,243,.08); }
    .f-inp.gf:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(255,193,7,.11); }

    .pkg-scroll-wrap {
      max-height: 310px;
      overflow-y: auto;
      padding-right: 4px;
    }

    .pkg-scroll-wrap::-webkit-scrollbar { width: 4px; }
    .pkg-scroll-wrap::-webkit-scrollbar-thumb { background: #d4e6f9; border-radius: 8px; }
    .pkg-scroll-wrap::-webkit-scrollbar-track { background: transparent; }

    .pkg-list { display: flex; flex-direction: column; gap: 8px; }

    .pkg-opt {
      border: 1.5px solid var(--border); border-radius: 15px; background: #fff;
      padding: 12px 14px; display: flex; align-items: center; justify-content: space-between;
      gap: 10px; cursor: pointer; transition: var(--tr);
    }

    .pkg-opt:hover { border-color: rgba(33,150,243,.35); transform: translateY(-1px); }

    .pkg-opt.sb { border-color: var(--blue); background: var(--blue-l); }
    .pkg-opt.sg { border-color: var(--gold); background: var(--gold-l); }

    .pkg-l { display: flex; align-items: center; gap: 10px; min-width: 0; }

    .pkg-rad {
      width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border); flex-shrink: 0;
      display: flex; align-items: center; justify-content: center; transition: var(--tr);
    }

    .pkg-opt.sb .pkg-rad { border-color: var(--blue); background: var(--blue); }
    .pkg-opt.sg .pkg-rad { border-color: var(--gold); background: var(--gold); }

    .pkg-opt.sb .pkg-rad::after, .pkg-opt.sg .pkg-rad::after {
      content: ""; width: 6px; height: 6px; border-radius: 50%; background: #fff;
    }

    .pkg-main { min-width: 0; }

    .pkg-nm { display: block; font-size: .92rem; font-weight: 800; line-height: 1.3; color: var(--text); margin-bottom: 2px; }
    .pkg-nm i { margin-right: 6px; }
    .pkg-sub { font-size: .77rem; color: var(--muted); font-weight: 600; line-height: 1.45; }

    .pkg-price-v { text-align: right; flex-shrink: 0; font-size: .94rem; font-weight: 800; color: var(--text); white-space: nowrap; }
    .pkg-price-v small { display: block; margin-top: 2px; font-size: .72rem; color: var(--muted); font-weight: 700; }

    .pkg-sum {
      background: var(--bg); border: 1px solid var(--border); border-radius: 16px;
      padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
    }

    .sum-lbl { color: var(--muted); font-size: .82rem; font-weight: 700; }
    .sum-lbl i { margin-right: 6px; }

    .sum-v { font-size: 1.2rem; font-weight: 800; color: var(--blue); text-align: right; line-height: 1.2; }
    .sum-v.gv { color: var(--gold-d); }

    .btn-buy {
      width: 100%; border: none; border-radius: 999px; padding: 13px 18px;
      display: flex; align-items: center; justify-content: center; gap: 8px;
      font-size: .92rem; font-weight: 800; cursor: pointer; transition: var(--tr);
      font-family: 'Inter', sans-serif;
    }

    .btn-buy.blue { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(33,150,243,.22); }
    .btn-buy.gold { background: var(--gold); color: var(--text); box-shadow: 0 10px 22px rgba(255,193,7,.22); }

    .btn-buy:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }
    .btn-buy:not(:disabled):hover { transform: translateY(-1px); opacity: .93; }

    .prices-loading {
      text-align: center; padding: 20px; color: var(--muted);
      font-size: .84rem; display: flex; align-items: center; justify-content: center; gap: 8px;
    }

    .prices-error {
      text-align: center; padding: 14px; color: var(--red);
      font-size: .84rem; background: rgba(244,67,54,.07); border-radius: 12px;
    }

    .spin {
      width: 18px; height: 18px; border: 2px solid var(--border);
      border-top-color: var(--blue); border-radius: 50%;
      animation: spin .7s linear infinite; flex-shrink: 0;
    }

    @keyframes spin { to { transform: rotate(360deg); } }

    .toast-pop {
      position: fixed; right: 20px; bottom: 20px; z-index: 9999;
      background: var(--text); color: #fff; border-radius: 15px;
      padding: 13px 16px; display: flex; align-items: center; gap: 9px;
      font-size: .84rem; font-weight: 700; box-shadow: 0 12px 28px rgba(0,0,0,.18);
      transform: translateY(60px); opacity: 0; transition: .3s ease; max-width: 340px;
    }

    .toast-pop.show { transform: translateY(0); opacity: 1; }
    .toast-pop i { color: var(--green); flex-shrink: 0; }

    .site-footer { margin-top: auto; background: var(--white); border-top: 1px solid var(--border); padding: 20px 0; flex-shrink: 0; }

    .foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .foot-copy { font-size: .82rem; color: var(--muted); }

    .reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
    .reveal.on { opacity: 1; transform: translateY(0); }

    @keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

    @media (max-width: 991px) {
      .nav-menu { display: none; }
      .nav-toggle { display: flex; }
      .hcard-wrap { display: none !important; }
      .ref-lottie, #refLottie, #refLottieMini { display: none !important; }
      .hero { padding: 96px 0 56px; text-align: center; }
      .hero-sub, .sec-desc { max-width: 100%; margin-left: auto; margin-right: auto; }
      .hero-btns, .hero-stats { justify-content: center; }
      .hcard-wrap { margin-top: 24px; }
      .fb2 { display: none; }
      .ref-card { padding: 28px 22px; text-align: center; }
      .ref-row { text-align: left; }
      .buy-lottie-card { min-height: 340px; }
      .buy-lottie { height: 280px; }
      .svc-card { padding: 24px 20px; }
      .tab-btn { min-width: 150px; }
    }

    @media (max-width: 767px) {
      .site-nav { height: 64px; }
      .nav-mobile { top: 64px; }
      .nav-inner { padding: 0 14px; }
      .nav-logo { font-size: 1rem; }
      .nav-logo-icon { width: 34px; height: 34px; border-radius: 10px; }
      .hero { padding: 88px 0 50px; }
      .hero-title { font-size: 1.85rem; }
      .hero-sub { font-size: .92rem; margin-bottom: 20px; }
      .btn-main { width: 100%; }
      .hero-stats { gap: 14px; flex-direction: row; }
      .hero-stats > div { min-width: 94px; }
      .stat-n { font-size: 1.3rem; }
      .hcard { padding: 14px; border-radius: 20px; }
      .hero-lottie-only { min-height: 250px; border-radius: 16px; }
      .hero-lottie-full { max-width: 100%; height: 220px; }
      .fb1 { position: static; margin: 0 auto 12px; width: fit-content; animation: none; }
      .ref-card { padding: 22px 16px; border-radius: 18px; }
      .ref-title { font-size: 1.1rem; }
      .ref-row span { font-size: .84rem; }
      .ref-btn { width: 100%; justify-content: center; padding: 12px 16px; font-size: .84rem; }
      .ref-lottie { max-width: 190px; height: 138px; }
      .features-sec, .how-sec, .faq-sec { padding: 52px 0; }
      .sec-title { font-size: 1.45rem; }
      .buy-lottie-card { min-height: 270px; padding: 12px; border-radius: 18px; }
      .buy-lottie { height: 210px; }
      .xiz-hero { padding: 84px 0 34px; }
      .pg-title { font-size: 1.45rem; }
      .svc-card { border-radius: 18px; padding: 22px 16px; }
      .svc-icon { width: 140px; height: 140px; }
      .svc-icon img { width: 140px; height: 140px; }
      .svc-card h3 { font-size: 1.05rem; }
      .svc-card p { font-size: .83rem; }
      .tab-wrap { width: 100%; display: grid; grid-template-columns: 1fr 1fr; border-radius: 18px; padding: 4px; }
      .tab-btn { min-width: unset; padding: 11px 10px; border-radius: 14px; font-size: .82rem; }
      .pbox { border-radius: 18px; padding: 22px 14px; }
      .pbox-title { font-size: 1.28rem; }
      .pbox-desc { font-size: .82rem; margin-bottom: 20px; }
      .f-inp { height: 46px; font-size: .88rem; }
      .pkg-opt { flex-direction: row; align-items: center; padding: 11px 12px; border-radius: 14px; }
      .pkg-nm { font-size: .88rem; }
      .pkg-sub { font-size: .73rem; }
      .pkg-price-v { font-size: .89rem; }
      .pkg-price-v small { font-size: .69rem; }
      .pkg-sum { border-radius: 14px; padding: 13px 14px; }
      .sum-v { font-size: 1.05rem; }
      .btn-buy { padding: 12px 16px; font-size: .88rem; }
      .ref-mini { padding: 22px 16px; border-radius: 18px; }
      .faq-q { padding: 14px 14px; font-size: .84rem; }
      .faq-a-in { padding: 0 14px 14px 14px; font-size: .82rem; }
      .toast-pop { left: 14px; right: 14px; bottom: 14px; max-width: unset; }
      .foot-inner { justify-content: center; text-align: center; }
    }

    @media (max-width: 575px) {
      .container { padding-left: 14px; padding-right: 14px; }
      .hero-title { font-size: 1.7rem; }
      .hero-sub { font-size: .89rem; }
      .hero-stats { align-items: center; gap: 12px; }
      .hero-stats > div { min-width: auto; }
      .hero-lottie-only { min-height: 220px; padding: 8px; }
      .hero-lottie-full { height: 190px; }
      .svc-icon { width: 150px; height: 150px; }
      .svc-icon img { width: 150px; height: 150px; }
      .pkg-opt { flex-direction: row; align-items: center; }
      .pkg-price-v { text-align: right; flex-shrink: 0; min-width: 90px; }
      .pkg-nm { font-size: .82rem; }
      .pkg-sum { flex-direction: row; align-items: center; }
      .sum-v { text-align: right; }
      .pkg-scroll-wrap { max-height: 260px; }
    }

    .theme-toggle {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      border: none;
      background: var(--blue-l);
      color: var(--blue);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--tr);
    }

    .theme-toggle:hover {
      transform: translateY(-1px);
    }

    .theme-toggle.mobile {
      display: none;
    }

    @media (max-width: 991px) {
      .theme-toggle.mobile {
        display: flex;
      }
    }

    body.dark {
      --bg: #0F172A;
      --white: #1E293B;
      --text: #E2E8F0;
      --muted: #94A3B8;
      --border: #334155;
    }

    body.dark .site-nav {
      background: rgba(15,23,42,0.9);
    }

    body.dark .nav-menu a {
      color: #94A3B8;
    }

    body.dark .nav-menu a:hover {
      background: rgb(33 150 243 / 53%);
    }

    body.dark .pbox,
    body.dark .svc-card,
    body.dark .step-card,
    body.dark .faq-item,
    body.dark .buy-lottie-card {
      background: #1E293B;
    }

    body.dark .f-inp {
      background: #0F172A;
      color: #E2E8F0;
      border-color: #334155;
    }

    body.dark .f-inp::placeholder {
      color: #64748B;
    }

    body.dark .f-inp:focus {
      background: #0F172A;
      color: #E2E8F0;
    }

    body.dark .pkg-opt {
      background: #0F172A;
      border-color: #334155;
    }

    body.dark .pkg-nm {
      color: #E2E8F0;
    }

    body.dark .pkg-sub {
      color: #94A3B8;
    }

    body.dark .pkg-price-v {
      color: #E2E8F0;
    }

    body.dark .pkg-opt.sb {
      background: rgba(33,150,243,0.15);
    }

    body.dark .pkg-opt.sg {
      background: rgba(255,193,7,0.15);
    }

    body.dark .pkg-sum {
      background: #0F172A;
      border-color: #334155;
    }

    body.dark .btn-buy.blue {
      background: #2563EB;
      color: #FFFFFF;
    }

    body.dark .btn-buy.gold {
      background: #FACC15; 
      color: #1E293B; 
    }

    body.dark .btn-buy:disabled {
      opacity: 0.5;
    }

    body.dark .f-label {
      color: #CBD5F5;
    }

    body.dark .f-ic {
      color: #64748B;
    }

    body.dark .fbadge {
      background: #1E293B;
      border-color: #334155;
      color: #E2E8F0;
    }

    body.dark .fbadge .fb-ic {
      background: rgba(255,255,255,0.08) !important;
    }

    body.dark .ref-btn {
      background: var(--blue);
      color: #E2E8F0;
    }

    body.dark .ref-btn:hover {
      color: #FFFFFF;
    }

    .nav-logo-icon img {
      width: 40px;
      height: 40px;
      object-fit: contain;
    }

    @media (max-width: 991px) {
      .nav-inner {
        position: relative;
      }

      .theme-toggle.mobile {
        display: flex;
        position: absolute;
        right: 65px; 
        top: 50%;
        transform: translateY(-50%);
        z-index: 2;
      }

      .nav-toggle {
        margin-left: auto;
      }
    }

.btn-wrap {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start; 
  gap: 10px;
}

.btn-icons {
  display: flex;
  gap: 14px;
  opacity: 1 !important;
  pointer-events: auto !important;
  position: static !important;
  transform: none !important;
  justify-content: flex-start; 
}

.icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  text-decoration: none;
  transition: .25s ease;
}

.icon span {
  display: none; 
}

@media (max-width: 767px) {
  .icon {
    width: 100%;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 999px; 
  }

  .icon span {
    display: inline; 
  }

  .btn-icons {
    flex-direction: column; 
    width: 100%;
  }
}

.icon:hover {
  transform: translateY(-3px) scale(1.08);
}

.icon.tg {
  background: linear-gradient(135deg, #229ED9, #0ea5e9);
  color: #fff;
}

.icon.sup {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff;
}

body.dark .icon {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.15);
}

body.dark .icon:hover {
  background: rgba(255,255,255,0.15);
}

@media (max-width: 767px) {

  .btn-icons {
    flex-direction: row;
    width: 100%;
    gap: 12px;
  }

  .btn-icons .icon {
    width: 100%;
    height: 48px;
    border-radius: 999px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 14px;
  }

  .btn-icons .icon span {
    display: inline;
    font-size: 15px;
    font-weight: 600;
  }
}

.bottom-nav {
  display: none; 
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  align-items: flex-end;
  justify-content: space-around;
  background: rgba(252, 253, 255, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid rgba(210, 225, 245, 0.7);
  padding: 8px 4px max(16px, env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(33, 150, 243, 0.06);
}

.bn-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  text-decoration: none;
  color: #b0bec5;
  flex: 1;
  max-width: 80px;
  position: relative;
  padding: 2px 4px;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.bn-item:active {
  transform: scale(0.88);
}

.bn-ic {
  width: 44px;
  height: 34px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bn-ic svg {
  width: 23px;
  height: 23px;
  display: block;
  transition: all 0.2s;
}

.bn-item span {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: 'Inter', sans-serif;
  transition: color 0.2s;
  white-space: nowrap;
}

.bn-pip {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 2px;
  transition: width 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              background 0.2s;
}

.bn-item.bn-active-blue {
  color: #1565C0;
}
.bn-item.bn-active-blue .bn-ic {
  background: rgba(33, 150, 243, 0.12);
  transform: translateY(-3px);
}
.bn-item.bn-active-blue .bn-pip {
  width: 20px;
  background: #2196F3;
}

.bn-item.bn-active-gold {
  color: #E65100;
}
.bn-item.bn-active-gold .bn-ic {
  background: rgba(255, 109, 0, 0.10);
  transform: translateY(-3px);
}
.bn-item.bn-active-gold .bn-pip {
  width: 20px;
  background: #FF6D00;
}

.bn-item.bn-active-purple {
  color: #4527A0;
}
.bn-item.bn-active-purple .bn-ic {
  background: rgba(124, 77, 255, 0.10);
  transform: translateY(-3px);
}
.bn-item.bn-active-purple .bn-pip {
  width: 20px;
  background: #7C4DFF;
}

.bn-item.bn-active-teal {
  color: #00695C;
}
.bn-item.bn-active-teal .bn-ic {
  background: rgba(0, 188, 212, 0.10);
  transform: translateY(-3px);
}
.bn-item.bn-active-teal .bn-pip {
  width: 20px;
  background: #00BCD4;
}

.bn-item.bn-active-green {
  color: #2E7D32;
}
.bn-item.bn-active-green .bn-ic {
  background: rgba(67, 160, 71, 0.10);
  transform: translateY(-3px);
}
.bn-item.bn-active-green .bn-pip {
  width: 20px;
  background: #43A047;
}

body.dark .bottom-nav {
  background: rgba(10, 16, 30, 0.97);
  border-top-color: rgba(40, 60, 95, 0.8);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

body.dark .bn-item {
  color: #374151;
}

body.dark .bn-item.bn-active-blue {
  color: #60A5FA;
}
body.dark .bn-item.bn-active-blue .bn-ic {
  background: rgba(96, 165, 250, 0.12);
}
body.dark .bn-item.bn-active-blue .bn-pip {
  background: #60A5FA;
}

body.dark .bn-item.bn-active-gold {
  color: #FCD34D;
}
body.dark .bn-item.bn-active-gold .bn-ic {
  background: rgba(252, 211, 77, 0.12);
}
body.dark .bn-item.bn-active-gold .bn-pip {
  background: #FCD34D;
}

body.dark .bn-item.bn-active-purple {
  color: #A78BFA;
}
body.dark .bn-item.bn-active-purple .bn-ic {
  background: rgba(167, 139, 250, 0.12);
}
body.dark .bn-item.bn-active-purple .bn-pip {
  background: #A78BFA;
}

body.dark .bn-item.bn-active-teal {
  color: #34D399;
}
body.dark .bn-item.bn-active-teal .bn-ic {
  background: rgba(52, 211, 153, 0.12);
}
body.dark .bn-item.bn-active-teal .bn-pip {
  background: #34D399;
}

body.dark .bn-item.bn-active-green {
  color: #86EFAC;
}
body.dark .bn-item.bn-active-green .bn-ic {
  background: rgba(134, 239, 172, 0.12);
}
body.dark .bn-item.bn-active-green .bn-pip {
  background: #86EFAC;
}

@media (max-width: 991px) {
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .app-main,
  .page.active,
  .container,
  .container-fluid {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .container {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
}

@media (max-width: 991px) {

  .bottom-nav {
    display: flex;
  }

  body {
    padding-bottom: 76px;
  }

  .nav-toggle {
    display: none !important;
  }

  .theme-toggle.mobile {
    right: 16px !important;
  }
}

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .bottom-nav {
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
  }
}

/* Modal styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 20, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal Box */
.payment-modal {
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
    border-radius: 28px;
    max-width: 420px;
    width: 90%;
    padding: 30px 26px;
    position: relative;
    transform: scale(0.85) translateY(20px);
    transition: all 0.35s ease;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255,255,255,0.2);
}

.modal-overlay.active .payment-modal {
    transform: scale(1) translateY(0);
}

/* Close button */
.modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    background: rgba(0,0,0,0.05);
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    transition: 0.2s;
}

.modal-close:hover {
    background: var(--red);
    color: #fff;
    transform: rotate(90deg);
}

/* Icon */
.modal-icon {
    text-align: center;
    margin-bottom: 18px;
}

.modal-icon i {
    font-size: 52px;
    background: linear-gradient(135deg, var(--gold), #ffcc70);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Title */
.modal-title {
    text-align: center;
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 6px;
}

/* Subtitle */
.modal-sub {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 14px;
}

/* Card box */
.card-box {
    background: linear-gradient(135deg, #141e30, #243b55);
    border-radius: 22px;
    padding: 22px;
    margin-bottom: 24px;
    text-align: center;
    color: white;
    box-shadow: inset 0 0 20px rgba(255,255,255,0.05);
}

.card-number {
    font-size: 17px;
    font-weight: 700;
    font-family: monospace;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 12px;
    border-radius: 50px;
    transition: all 0.25s ease;
}

.card-number:hover {
    background: rgba(255,255,255,0.25);
    transform: scale(1.05);
}

.card-number.copied {
    background: var(--green);
    color: white;
}

/* Amount */
.amount-box {
    font-size: 30px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold), #ffb347);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 18px 0;
}

/* Timer */
.timer-box {
    background: rgba(0,0,0,0.05);
    border-radius: 60px;
    padding: 14px 22px;
    text-align: center;
    margin: 20px 0;
}

.timer-value {
    font-size: 25px;
    font-weight: 700;
    font-family: monospace;
    color: var(--red);
}

.timer-label {
    font-size: 12px;
    color: var(--text-muted);
}

/* Status */
.status-box {
    text-align: center;
    margin-top: 20px;
    padding: 14px;
    border-radius: 18px;
    background: rgba(0,0,0,0.04);
    font-weight: 500;
}

.status-pending {
    color: var(--orange);
}

.status-success {
    color: var(--green);
}

.status-expired,
.status-cancelled {
    color: var(--red);
}

/* Spinner */
.check-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0,0,0,0.1);
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-right: 8px;
}

/* Animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

body.dark .payment-modal {
    background: linear-gradient(145deg, #1E293B, #0F172A);
    border: 1px solid #334155;
    color: #E2E8F0;
}

body.dark .modal-title {
    color: #E2E8F0;
}

body.dark .modal-sub {
    color: #94A3B8;
}

body.dark .modal-close {
    background: rgba(255,255,255,0.08);
    color: #94A3B8;
}

body.dark .modal-close:hover {
    background: var(--red);
    color: #fff;
}

body.dark .timer-box {
    background: rgba(255,255,255,0.05);
}

body.dark .timer-label {
    color: #94A3B8;
}

body.dark .status-box {
    background: rgba(255,255,255,0.04);
    color: #E2E8F0;
}

body.dark .status-pending {
    color: #FCD34D;
}