/* ===== Reset & Base ===== */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; font-size: 16px; background: #0a0a0f; overflow-y: auto; }
    body {
      font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: #0a0a0f;
      color: #e0e0e0;
      line-height: 1.6;
      overflow-x: hidden;
      min-height: 100vh;
    }
    body.promo-modal-open { overflow: hidden; }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }

    /* ===== Gradients & Colors ===== */
    :root {
      --primary: #7c3aed;
      --primary-light: #a78bfa;
      --primary-dark: #5b21b6;
      --accent: #667eea;
      --gradient: linear-gradient(135deg, #667eea 0%, #7c3aed 50%, #764ba2 100%);
      --gradient-text: linear-gradient(135deg, #a78bfa, #c4b5fd, #818cf8);
      --bg-card: rgba(255, 255, 255, 0.04);
      --bg-card-hover: rgba(255, 255, 255, 0.08);
      --border: rgba(255, 255, 255, 0.08);
      --text-primary: #f5f5f5;
      --text-secondary: #a0a0b0;
      --glow: 0 0 60px rgba(124, 58, 237, 0.15);
    }

    /* ===== Container ===== */
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* ===== SVG Icon Base ===== */
    .icon-svg { width: 28px; height: 28px; flex-shrink: 0; }
    .icon-svg path, .icon-svg circle, .icon-svg rect, .icon-svg line, .icon-svg polyline, .icon-svg polygon {
      stroke: var(--primary-light); fill: none; stroke-width: 1.8;
      stroke-linecap: round; stroke-linejoin: round;
    }
    .icon-svg-filled path { fill: var(--primary-light); stroke: none; }

    /* ===== Header ===== */
    .header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      background: rgba(10, 10, 15, 0.85);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
      transition: background 0.3s;
    }
    .header-inner {
      display: flex; align-items: center; justify-content: space-between;
      max-width: 1200px; margin: 0 auto; padding: 0 24px;
      height: 64px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px;
      font-size: 1.5rem; font-weight: 800;
      background: var(--gradient-text); -webkit-background-clip: text;
      -webkit-text-fill-color: transparent; background-clip: text;
    }
    .logo-mark {
      width: 34px; height: 34px; border-radius: 10px;
      background: var(--gradient); display: flex;
      align-items: center; justify-content: center;
      box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
    }
    .logo-mark svg { width: 20px; height: 20px; }
    .logo span { font-weight: 400; font-size: 0.875rem; opacity: 0.7; margin-left: 2px; }
    .logo .site-brand-text {
      font-size: 1.02rem;
      font-weight: 700;
      opacity: 1;
      margin-left: 0;
      line-height: 1.1;
      white-space: nowrap;
    }
    .nav { display: flex; align-items: center; gap: 32px; }
    .nav a {
      font-size: 0.875rem; color: var(--text-secondary);
      transition: color 0.2s; font-weight: 500;
    }
    .nav a:hover { color: var(--text-primary); }
    .nav-cta {
      background: var(--gradient) !important; color: #fff !important;
      padding: 8px 20px; border-radius: 8px; font-weight: 600 !important;
      transition: opacity 0.2s, transform 0.2s !important;
    }
    .nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }
    .mobile-toggle {
      display: none; background: none; border: none; color: #fff; cursor: pointer;
      width: 32px; height: 32px; padding: 4px;
    }
    .mobile-toggle svg { width: 100%; height: 100%; }

    /* ===== Hero ===== */
    .hero {
      padding: 100px 0 48px; text-align: center;
      position: relative; overflow: hidden;
    }
    .hero::before {
      content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
      width: 900px; height: 900px; border-radius: 50%;
      background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
      pointer-events: none; overflow: hidden;
    }

    /* ===== Orbit Visual ===== */
    .orbit-wrap { position: relative; width: 520px; height: 520px; margin: 0 auto 40px; }
    .orbit-track {
      position: absolute; border-radius: 50%; border: 1px solid rgba(167, 139, 250, 0.08);
      top: 50%; left: 50%; transform: translate(-50%, -50%);
    }
    .orbit-track-1 { width: 260px; height: 260px; }
    .orbit-track-2 { width: 430px; height: 430px; border-style: dashed; border-color: rgba(167, 139, 250, 0.06); }
    .orbit-center {
      position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
      width: 96px; height: 96px; border-radius: 24px;
      background: var(--gradient); display: flex; align-items: center; justify-content: center;
      box-shadow: 0 0 80px rgba(124, 58, 237, 0.4), 0 0 160px rgba(124, 58, 237, 0.15);
      z-index: 2;
    }
    .orbit-center svg { width: 52px; height: 52px; }
    .orbit-item {
      position: absolute; border-radius: 50%;
      background: #1e1e2a; border: 1px solid rgba(255,255,255,0.1);
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 20px rgba(0,0,0,0.3);
      animation: orbitFloat var(--dur, 5s) ease-in-out infinite;
      animation-delay: var(--d, 0s);
      z-index: 1;
    }
    .orbit-item svg, .orbit-item img { width: 55%; height: 55%; }
    .orbit-item.sz-lg { width: 56px; height: 56px; }
    .orbit-item.sz-md { width: 46px; height: 46px; }
    .orbit-item.sz-sm { width: 38px; height: 38px; }
    .orbit-dot {
      position: absolute; border-radius: 50%; z-index: 0;
      animation: orbitFloat 4s ease-in-out infinite;
    }
    @keyframes orbitFloat {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(calc(var(--drift, -8px))); }
    }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

    .hero-text { position: relative; z-index: 3; }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(124, 58, 237, 0.15); border: 1px solid rgba(124, 58, 237, 0.3);
      padding: 6px 16px; border-radius: 100px; font-size: 0.8rem;
      color: var(--primary-light); margin-bottom: 20px;
    }
    .hero-badge::before { content: ''; width: 6px; height: 6px; background: #22c55e; border-radius: 50%; animation: pulse 2s infinite; }
    .hero h1 {
      font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 900;
      line-height: 1.2; margin-bottom: 16px;
      background: var(--gradient-text); -webkit-background-clip: text;
      -webkit-text-fill-color: transparent; background-clip: text;
    }
    .hero-sub {
      font-size: clamp(0.95rem, 2vw, 1.1rem);
      color: var(--text-secondary); max-width: 520px; margin: 0 auto 32px;
    }
    .hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 14px 32px; border-radius: 12px; font-size: 1rem;
      font-weight: 600; border: none; cursor: pointer; transition: all 0.3s;
    }
    .btn .icon-svg { width: 20px; height: 20px; }
    .btn-primary {
      background: var(--gradient); color: #fff;
      box-shadow: 0 4px 24px rgba(124, 58, 237, 0.35);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(124, 58, 237, 0.5); }
    .btn-secondary {
      background: var(--bg-card); color: var(--text-primary);
      border: 1px solid var(--border);
    }
    .btn-secondary:hover { background: var(--bg-card-hover); transform: translateY(-2px); }
    .btn .icon-svg path { stroke: #fff; }
    .btn-secondary .icon-svg path { stroke: var(--primary-light); }

    /* ===== Section Title ===== */
    .section { padding: 100px 0; }
    .section-label {
      display: inline-block; font-size: 0.75rem; font-weight: 600;
      text-transform: uppercase; letter-spacing: 2px;
      color: var(--primary-light); margin-bottom: 12px;
    }
    .section-title {
      font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800;
      margin-bottom: 16px; color: var(--text-primary);
    }
    .section-desc {
      font-size: 1.05rem; color: var(--text-secondary);
      max-width: 600px; margin-bottom: 56px;
    }
    .section-center { text-align: center; }
    .section-center .section-desc { margin-left: auto; margin-right: auto; }

    /* ===== Feature Cards ===== */
    .features-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 20px; padding: 36px 28px;
      transition: all 0.4s ease;
      position: relative; overflow: hidden;
    }
    .feature-card::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: var(--gradient); opacity: 0; transition: opacity 0.4s;
    }
    .feature-card:hover {
      background: var(--bg-card-hover);
      transform: translateY(-4px);
      box-shadow: var(--glow);
    }
    .feature-card:hover::before { opacity: 1; }
    .feature-icon {
      width: 52px; height: 52px; border-radius: 14px;
      background: rgba(124, 58, 237, 0.12); display: flex;
      align-items: center; justify-content: center;
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 1.2rem; font-weight: 700; margin-bottom: 10px;
      color: var(--text-primary);
    }
    .feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

    /* ===== Comparison Section ===== */
    .compare-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      max-width: 900px;
      margin: 0 auto;
    }
    .compare-col {
      border-radius: 24px;
      padding: 40px 32px;
      position: relative;
      overflow: hidden;
    }
    .compare-col--old {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }
    .compare-col--new {
      background: rgba(124, 58, 237, 0.06);
      border: 1px solid rgba(124, 58, 237, 0.2);
      box-shadow: 0 0 80px rgba(124, 58, 237, 0.08);
    }
    .compare-col--new::before {
      content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
      background: var(--gradient);
    }
    .compare-col__badge {
      display: inline-flex; align-items: center; gap: 6px;
      font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
      letter-spacing: 1.5px; margin-bottom: 20px; padding: 5px 14px;
      border-radius: 100px;
    }
    .compare-col--old .compare-col__badge {
      background: rgba(239, 68, 68, 0.1); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.15);
    }
    .compare-col--new .compare-col__badge {
      background: rgba(124, 58, 237, 0.15); color: var(--primary-light); border: 1px solid rgba(124, 58, 237, 0.25);
    }
    .compare-col__title {
      font-size: 1.5rem; font-weight: 800; margin-bottom: 8px;
    }
    .compare-col--old .compare-col__title { color: var(--text-secondary); }
    .compare-col--new .compare-col__title {
      background: var(--gradient-text); -webkit-background-clip: text;
      -webkit-text-fill-color: transparent; background-clip: text;
    }
    .compare-col__subtitle {
      font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 32px;
      opacity: 0.7;
    }
    .compare-items { display: flex; flex-direction: column; gap: 0; }
    .compare-item {
      display: flex; align-items: center; gap: 14px;
      padding: 16px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .compare-item:last-child { border-bottom: none; }
    .compare-item__icon {
      width: 36px; height: 36px; border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0; font-size: 0.85rem;
    }
    .compare-col--old .compare-item__icon {
      background: rgba(239, 68, 68, 0.08); color: #f87171;
    }
    .compare-col--new .compare-item__icon {
      background: rgba(124, 58, 237, 0.12); color: var(--primary-light);
    }
    .compare-item__text { flex: 1; }
    .compare-item__label {
      font-size: 0.9rem; font-weight: 600; margin-bottom: 2px;
    }
    .compare-col--old .compare-item__label { color: rgba(255,255,255,0.5); }
    .compare-col--new .compare-item__label { color: var(--text-primary); }
    .compare-item__desc {
      font-size: 0.78rem; color: var(--text-secondary); opacity: 0.6; line-height: 1.5;
    }
    .compare-col--new .compare-item__desc { opacity: 0.8; }

    .compare-bottom-note {
      text-align: center; margin-top: 40px; font-size: 0.85rem;
      color: var(--text-secondary); opacity: 0.6;
    }

    /* ===== Testimonials Marquee ===== */
    .testimonials {
      position: relative;
      overflow: hidden;
    }
    .testimonials.section {
      padding-top: 46px;
      padding-bottom: 40px;
    }
    .testimonials-marquee {
      margin-top: 28px;
      overflow-x: auto;
      overflow-y: hidden;
      scrollbar-width: none;
      -ms-overflow-style: none;
      scroll-behavior: auto;
      position: relative;
      border-radius: 20px;
    }
    .testimonials-marquee::-webkit-scrollbar { display: none; }
    .testimonials-marquee::before,
    .testimonials-marquee::after {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      width: 64px;
      z-index: 3;
      pointer-events: none;
    }
    .testimonials-marquee::before {
      left: 0;
      background: linear-gradient(90deg, #0a0a0f 0%, rgba(10, 10, 15, 0) 100%);
    }
    .testimonials-marquee::after {
      right: 0;
      background: linear-gradient(270deg, #0a0a0f 0%, rgba(10, 10, 15, 0) 100%);
    }
    .testimonials-track {
      display: inline-flex;
      gap: 18px;
      padding: 4px 0 4px 2px;
      white-space: nowrap;
    }
    .tm-card {
      width: 360px;
      min-height: 250px;
      white-space: normal;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
      border: 1px solid rgba(167, 139, 250, 0.18);
      border-radius: 18px;
      padding: 20px 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: 0 10px 26px rgba(10, 10, 15, 0.2);
    }
    .tm-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
      gap: 14px;
    }
    .tm-stars {
      color: #a78bfa;
      font-size: 1.05rem;
      letter-spacing: 2px;
      text-shadow: 0 0 14px rgba(167, 139, 250, 0.25);
    }
    .tm-date {
      color: var(--text-secondary);
      opacity: 0.9;
      font-size: 0.95rem;
      font-variant-numeric: tabular-nums;
      flex-shrink: 0;
    }
    .tm-text {
      color: #cfd4e5;
      font-size: 1.2rem;
      line-height: 1.55;
      margin: 0;
      letter-spacing: 0.01em;
    }
    .tm-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 18px;
    }
    .tm-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7c3aed 0%, #667eea 100%);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 800;
      letter-spacing: 0.03em;
      border: 1px solid rgba(255, 255, 255, 0.22);
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
      flex-shrink: 0;
    }
    .tm-user strong {
      display: block;
      color: var(--text-primary);
      font-size: 1rem;
      margin-bottom: 1px;
      font-weight: 700;
    }
    .tm-user span {
      color: var(--text-secondary);
      font-size: 0.92rem;
      opacity: 0.9;
    }

    /* ===== Pricing ===== */
    .pricing-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
    }
    .price-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 20px; padding: 32px 24px;
      text-align: center; transition: all 0.4s;
      position: relative;
    }
    .price-card.featured {
      border-color: var(--primary);
      background: rgba(124, 58, 237, 0.06);
    }
    .price-card.featured::after {
      content: var(--i18n-featured, '推荐'); position: absolute; top: -1px; right: 24px;
      background: var(--gradient); color: #fff;
      padding: 4px 14px; border-radius: 0 0 8px 8px;
      font-size: 0.75rem; font-weight: 600;
    }
    .price-card:hover { transform: translateY(-4px); box-shadow: var(--glow); }
    .price-card .plan-name {
      font-size: 1.1rem; font-weight: 700; margin-bottom: 4px;
      color: var(--text-primary);
    }
    .price-card .plan-type {
      font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 20px;
    }
    .price-card .price {
      font-size: 2.5rem; font-weight: 900; margin-bottom: 4px;
      background: var(--gradient-text); -webkit-background-clip: text;
      -webkit-text-fill-color: transparent; background-clip: text;
    }
    .price-card .price-period { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 8px; }
    .price-card .price-ref { font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 22px; opacity: .9; }
    .pricing-note { max-width: 760px; margin: 24px auto 0; color: var(--text-secondary); font-size: .86rem; line-height: 1.7; }
    .price-card .plan-features {
      list-style: none; text-align: left; margin-bottom: 28px;
    }
    .price-card .plan-features li {
      font-size: 0.85rem; color: var(--text-secondary);
      padding: 6px 0; display: flex; align-items: center; gap: 8px;
    }
    .price-card .plan-features li::before {
      content: ''; display: inline-block; width: 16px; height: 16px; flex-shrink: 0;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a78bfa' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
      background-size: contain; background-repeat: no-repeat;
    }
    .btn-plan {
      width: 100%; padding: 12px; border-radius: 10px;
      background: var(--bg-card-hover); border: 1px solid var(--border);
      color: var(--text-primary); font-weight: 600; font-size: 0.9rem;
      cursor: pointer; transition: all 0.3s;
    }
    .btn-plan:hover { background: rgba(124, 58, 237, 0.15); border-color: var(--primary); }
    .price-card.featured .btn-plan {
      background: var(--gradient); border: none; color: #fff;
      box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
    }
    .price-card.sold-out { opacity: 0.55; pointer-events: none; }
    .price-card.sold-out .btn-plan {
      background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
      color: var(--text-secondary); cursor: not-allowed;
    }
    .price-card.sold-out .btn-plan:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.08); }
    .price-card.sold-out::before {
      content: var(--i18n-soldout, '已售罄'); position: absolute; top: 16px; left: 16px;
      background: rgba(239, 68, 68, 0.15); color: #ef4444;
      padding: 3px 10px; border-radius: 6px;
      font-size: 0.7rem; font-weight: 600;
    }

    /* ===== Steps ===== */
    .steps-grid {
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 24px; counter-reset: step;
    }
    .step-card {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 20px; padding: 36px 24px; text-align: center;
      position: relative; counter-increment: step;
    }
    .step-card::before {
      content: counter(step); position: absolute; top: -16px; left: 50%;
      transform: translateX(-50%); width: 32px; height: 32px;
      background: var(--gradient); border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 0.85rem; font-weight: 700; color: #fff;
    }
    .step-icon { margin-bottom: 16px; display: flex; justify-content: center; }
    .step-icon .icon-svg { width: 40px; height: 40px; }
    .step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
    .step-card p { font-size: 0.85rem; color: var(--text-secondary); }

    /* ===== FAQ ===== */
    .faq-list { max-width: 800px; margin: 0 auto; text-align: left; }
    .faq-item {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 16px; margin-bottom: 12px; overflow: hidden;
      transition: all 0.3s;
    }
    .faq-item:hover { border-color: rgba(124, 58, 237, 0.3); }
    .faq-q {
      padding: 20px 24px; cursor: pointer; display: flex;
      align-items: center; justify-content: space-between; gap: 16px;
      font-weight: 600; font-size: 0.95rem; color: var(--text-primary);
      user-select: none;
    }
    .faq-q .icon-svg { width: 20px; height: 20px; transition: transform 0.3s; flex-shrink: 0; }
    .faq-item.open .faq-q .icon-svg { transform: rotate(180deg); }
    .faq-a {
      max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s;
      padding: 0 24px;
    }
    .faq-item.open .faq-a { max-height: 300px; padding: 0 24px 20px; }
    .faq-a p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.8; }
    .faq-more {
      text-align: center; margin-top: 32px;
    }
    .faq-more a {
      color: var(--primary-light); font-size: 0.9rem; font-weight: 500;
      display: inline-flex; align-items: center; gap: 6px;
      transition: opacity 0.2s;
    }
    .faq-more a:hover { opacity: 0.8; }
    .faq-more .icon-svg { width: 16px; height: 16px; }

    /* ===== CTA Section ===== */
    .cta-section {
      text-align: center; padding: 80px 0;
    }
    .cta-box {
      background: var(--gradient); border-radius: 24px;
      padding: 64px 40px; position: relative; overflow: hidden;
    }
    .cta-box::before {
      content: ''; position: absolute; top: -50%; right: -20%;
      width: 400px; height: 400px; border-radius: 50%;
      background: rgba(255, 255, 255, 0.05);
    }
    .cta-box h2 {
      font-size: clamp(1.5rem, 3.5vw, 2rem);
      font-weight: 800; color: #fff; margin-bottom: 16px;
    }
    .cta-box p { color: rgba(255, 255, 255, 0.8); margin-bottom: 32px; font-size: 1rem; }
    .btn-white {
      background: #fff; color: var(--primary-dark);
      padding: 14px 36px; border-radius: 12px;
      font-weight: 700; font-size: 1rem; border: none; cursor: pointer;
      transition: all 0.3s;
    }
    .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

    /* ===== Promo Topbar ===== */
    .promo-topbar {
      position: fixed;
      top: 74px;
      left: 50%;
      transform: translateX(-50%) translateY(-6px);
      width: min(900px, calc(100vw - 28px));
      min-height: 46px;
      z-index: 1200;
      display: none;
      opacity: 0;
      background: linear-gradient(115deg, rgba(85, 47, 171, 0.92) 0%, rgba(112, 73, 202, 0.9) 50%, rgba(81, 119, 212, 0.9) 100%);
      color: #fff;
      border: 1px solid rgba(190, 173, 255, 0.44);
      border-radius: 14px;
      box-shadow: 0 16px 34px rgba(21, 16, 47, 0.5), inset 0 1px 0 rgba(255,255,255,0.2);
      backdrop-filter: blur(14px);
      transition: opacity 0.24s ease, transform 0.24s ease;
    }
    .promo-topbar.is-visible {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }
    .promo-topbar::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: inherit;
      pointer-events: none;
      background: linear-gradient(90deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 52%);
    }
    .promo-topbar__inner {
      position: relative;
      padding: 8px 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .promo-topbar__text {
      min-width: 0;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.01em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .promo-topbar__text::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ffd166;
      box-shadow: 0 0 0 4px rgba(255, 209, 102, 0.22);
      flex: 0 0 auto;
    }
    .promo-topbar__actions {
      display: flex; align-items: center; gap: 8px; flex-shrink: 0;
    }
    .promo-topbar__btn {
      height: 30px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.58);
      padding: 0 13px;
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      background: rgba(255,255,255,0.2);
      display: inline-flex;
      align-items: center;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }
    .promo-topbar__btn:hover {
      background: rgba(255,255,255,0.95);
      color: #4d30a8;
      transform: translateY(-1px);
    }
    .promo-topbar__close {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.48);
      background: rgba(255,255,255,0.2);
      color: #fff;
      font-size: 14px;
      line-height: 1;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s ease;
    }
    .promo-topbar__close:hover {
      background: rgba(255,255,255,0.3);
    }

    /* ===== Promo Modal ===== */
    .promo-modal {
      position: fixed; inset: 0; z-index: 1300; opacity: 0; pointer-events: none; transition: opacity 0.25s ease;
    }
    .promo-modal.open { opacity: 1; pointer-events: auto; }
    .promo-modal__backdrop {
      position: absolute; inset: 0; background: rgba(5, 7, 14, 0.6); backdrop-filter: blur(4px);
    }
    .promo-modal__card {
      position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(0.96);
      width: min(520px, calc(100vw - 28px));
      background: linear-gradient(180deg, rgba(17,20,34,0.97) 0%, rgba(11,14,26,0.97) 100%);
      border: 1px solid rgba(167,139,250,0.28); border-radius: 18px;
      box-shadow: 0 26px 70px rgba(8,10,20,0.62);
      padding: 22px 20px 18px; color: #dbe4ff;
      transition: transform 0.25s ease;
    }
    .promo-modal.open .promo-modal__card { transform: translate(-50%, -50%) scale(1); }
    .promo-modal__close {
      position: absolute; right: 10px; top: 10px;
      width: 30px; height: 30px; border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.22); background: rgba(255,255,255,0.06);
      color: #fff; font-size: 16px; cursor: pointer;
    }
    .promo-modal__badge {
      display: inline-flex; align-items: center; padding: 4px 10px;
      border-radius: 999px; border: 1px solid rgba(167,139,250,0.45);
      background: rgba(124,58,237,0.2); color: #d8c7ff; font-size: 12px; font-weight: 700;
      margin-bottom: 10px;
    }
    .promo-modal__title {
      font-size: 22px; line-height: 1.3; color: #ffffff; margin-bottom: 10px; font-weight: 800;
    }
    .promo-modal__desc {
      font-size: 14px; line-height: 1.7; color: #c7d2fe; margin-bottom: 8px;
    }
    .promo-modal__note {
      font-size: 12px; color: #9aa5cb; margin-bottom: 16px;
    }
    .promo-modal__actions { display: flex; gap: 10px; flex-wrap: wrap; }
    .promo-modal__btn-main {
      flex: 1 1 240px; min-height: 42px; border-radius: 10px; border: none;
      background: linear-gradient(135deg, #7c3aed, #667eea); color: #fff; font-weight: 700;
      display: inline-flex; align-items: center; justify-content: center; padding: 0 14px;
      box-shadow: 0 10px 24px rgba(102,126,234,0.32);
    }
    .promo-modal__btn-sub {
      flex: 0 0 auto; min-height: 42px; border-radius: 10px;
      border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.06);
      color: #e5e7eb; font-weight: 600; padding: 0 14px; cursor: pointer;
    }

    /* ===== Footer ===== */
    .footer {
      border-top: 1px solid var(--border);
      padding: 48px 0 32px;
    }
    .footer-inner {
      display: flex; justify-content: space-between;
      align-items: flex-start; flex-wrap: wrap; gap: 40px;
    }
    .footer-brand .logo { margin-bottom: 12px; }
    .footer-brand p { font-size: 0.85rem; color: var(--text-secondary); max-width: 280px; }
    .footer-links h4 {
      font-size: 0.85rem; font-weight: 600; margin-bottom: 16px;
      color: var(--text-primary);
    }
    .footer-links a {
      display: block; font-size: 0.85rem; color: var(--text-secondary);
      padding: 4px 0; transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--primary-light); }
    .footer-bottom {
      border-top: 1px solid var(--border);
      margin-top: 40px; padding-top: 24px;
      display: flex; justify-content: space-between;
      align-items: center; flex-wrap: wrap; gap: 16px;
    }
    .footer-bottom p { font-size: 0.8rem; color: var(--text-secondary); }
    .footer-social { display: flex; gap: 16px; }
    .footer-social a {
      width: 36px; height: 36px; border-radius: 10px;
      background: var(--bg-card); border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      transition: all 0.3s;
    }
    .footer-social a:hover { background: rgba(124, 58, 237, 0.15); border-color: var(--primary); }
    .footer-social .icon-svg { width: 18px; height: 18px; }

    /* ===== Chat Widget ===== */
    .chat-fab {
      position: fixed; bottom: 24px; right: 24px; z-index: 999;
      width: 60px; height: 60px; border-radius: 50%;
      background: var(--gradient); border: none; cursor: pointer;
      box-shadow: 0 8px 32px rgba(102, 126, 234, 0.5);
      display: flex; align-items: center; justify-content: center;
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .chat-fab:hover { transform: scale(1.1); box-shadow: 0 12px 40px rgba(102, 126, 234, 0.65); }
    .chat-fab .icon-svg { width: 28px; height: 28px; }
    .chat-fab .icon-svg path { stroke: #fff; }
    .chat-fab .badge {
      position: absolute; top: -4px; right: -4px;
      width: 20px; height: 20px; background: #ef4444;
      border-radius: 50%; font-size: 0.7rem; color: #fff;
      display: flex; align-items: center; justify-content: center;
      font-weight: 700; border: 2px solid #0a0a0f;
    }
    .chat-panel {
      position: fixed; bottom: 100px; right: 24px; z-index: 999;
      width: 380px; max-height: 540px;
      background: #1a1a1f; border: 1px solid var(--border);
      border-radius: 20px; overflow: hidden;
      box-shadow: 0 24px 64px rgba(0,0,0,0.5);
      transform: translateY(20px) scale(0.95); opacity: 0;
      pointer-events: none;
      transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
    }
    .chat-panel.open {
      transform: translateY(0) scale(1); opacity: 1;
      pointer-events: all;
    }
    .chat-header {
      background: var(--gradient); padding: 16px 20px;
      display: flex; align-items: center; justify-content: space-between;
    }
    .chat-header-info { display: flex; align-items: center; gap: 10px; }
    .chat-header-avatar {
      width: 36px; height: 36px; border-radius: 50%;
      background: rgba(255,255,255,0.2); display: flex;
      align-items: center; justify-content: center;
    }
    .chat-header-avatar .icon-svg { width: 20px; height: 20px; }
    .chat-header-avatar .icon-svg path { stroke: #fff; }
    .chat-header-text h4 { color: #fff; font-size: 0.9rem; font-weight: 700; }
    .chat-header-text p { color: rgba(255,255,255,0.7); font-size: 0.7rem; }
    .chat-close {
      background: rgba(255,255,255,0.15); border: none; border-radius: 50%;
      width: 32px; height: 32px; cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: background 0.2s;
    }
    .chat-close:hover { background: rgba(255,255,255,0.25); }
    .chat-close .icon-svg { width: 16px; height: 16px; }
    .chat-close .icon-svg path { stroke: #fff; }
    .chat-body {
      padding: 16px; height: 320px; overflow-y: auto;
      display: flex; flex-direction: column; gap: 12px;
    }
    .chat-msg { max-width: 85%; }
    .chat-msg.bot { align-self: flex-start; }
    .chat-msg.bot .bubble {
      background: rgba(255,255,255,0.06); border: 1px solid var(--border);
      border-radius: 16px 16px 16px 4px; padding: 12px 16px;
      font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6;
    }
    .chat-msg.bot .bubble strong { color: var(--text-primary); }
    .chat-msg.bot .bubble a { color: var(--primary-light); text-decoration: underline; }
    .chat-footer {
      padding: 12px 16px; border-top: 1px solid var(--border);
      display: flex; gap: 8px;
    }
    .chat-input {
      flex: 1; background: rgba(255,255,255,0.06); border: 1px solid var(--border);
      border-radius: 10px; padding: 10px 14px; color: var(--text-primary);
      font-size: 0.85rem; font-family: inherit; resize: none; outline: none;
      transition: border-color 0.2s;
    }
    .chat-input:focus { border-color: var(--primary); }
    .chat-input::placeholder { color: var(--text-secondary); }
    .chat-send {
      width: 40px; height: 40px; border-radius: 10px;
      background: var(--gradient); border: none; cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: opacity 0.2s;
    }
    .chat-send:hover { opacity: 0.85; }
    .chat-send .icon-svg { width: 18px; height: 18px; }
    .chat-send .icon-svg path { stroke: #fff; fill: none; }


    /* ===== Language Switcher ===== */
    .lang-switch {
      display: flex; gap: 2px; margin-left: 16px;
      background: rgba(255,255,255,0.04);
      border: 1px solid var(--border);
      border-radius: 10px; padding: 3px;
    }
    .lang-switch button {
      background: transparent; border: none;
      color: var(--text-secondary); padding: 5px 14px;
      border-radius: 8px; font-size: 0.75rem; cursor: pointer;
      transition: all 0.25s; font-weight: 500;
      font-family: inherit; white-space: nowrap;
    }
    .lang-switch button:hover { color: var(--text-primary); }
    .lang-switch button.active {
      background: var(--gradient); color: #fff; font-weight: 600;
    }

    /* ===== Hero Stats Bar ===== */
    .hero-stats {
      display: flex; justify-content: center; gap: 48px;
      margin-top: 48px; padding-top: 40px;
      border-top: 1px solid rgba(255,255,255,0.06);
    }
    .hero-stat { text-align: center; }
    .hero-stat__num {
      font-size: 2rem; font-weight: 900;
      background: var(--gradient-text); -webkit-background-clip: text;
      -webkit-text-fill-color: transparent; background-clip: text;
      line-height: 1.2;
    }
    .hero-stat__label {
      font-size: 0.78rem; color: var(--text-secondary);
      margin-top: 4px; letter-spacing: 0.5px;
    }

    /* ===== Trust / Platform Logos ===== */
    .trust-strip {
      padding: 48px 0;
      border-bottom: 1px solid var(--border);
    }
    .trust-strip__label {
      text-align: center; font-size: 0.75rem; color: var(--text-secondary);
      letter-spacing: 1.5px; text-transform: uppercase; font-weight: 500;
      margin-bottom: 28px; opacity: 0.6;
    }
    .trust-logos {
      display: flex; justify-content: center; align-items: center;
      gap: 40px; flex-wrap: wrap; opacity: 0.45;
      transition: opacity 0.3s;
    }
    .trust-logos:hover { opacity: 0.7; }
    .trust-logos svg { height: 22px; width: 22px; transition: transform .2s ease; }
    .trust-logos span:hover svg { transform: scale(1.15); }
    .trust-logos span {
      font-size: 1.1rem; font-weight: 700; color: #fff;
      display: flex; align-items: center; gap: 8px;
      letter-spacing: 0.5px;
    }

    /* ===== Enhanced Feature Cards ===== */
    .feature-card {
      background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    }
    .feature-card:hover {
      background: linear-gradient(135deg, rgba(124,58,237,0.08) 0%, rgba(102,126,234,0.04) 100%);
    }

    /* ===== Stagger Animations ===== */
    .stagger-1 { transition-delay: 0.05s; }
    .stagger-2 { transition-delay: 0.10s; }
    .stagger-3 { transition-delay: 0.15s; }
    .stagger-4 { transition-delay: 0.20s; }
    .stagger-5 { transition-delay: 0.25s; }
    .stagger-6 { transition-delay: 0.30s; }

    /* ===== Enhanced Pricing ===== */
    .price-card.featured {
      transform: scale(1.04);
      box-shadow: 0 0 60px rgba(124, 58, 237, 0.12), 0 0 120px rgba(124, 58, 237, 0.06);
    }
    .price-card.featured:hover {
      transform: scale(1.04) translateY(-4px);
      box-shadow: 0 0 80px rgba(124, 58, 237, 0.2), 0 0 160px rgba(124, 58, 237, 0.08);
    }

    /* ===== Enhanced CTA ===== */
    .cta-box {
      background: var(--gradient);
      position: relative;
    }
    .cta-box::after {
      content: ''; position: absolute; bottom: -30%; left: -10%;
      width: 300px; height: 300px; border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
      pointer-events: none;
    }
    .cta-box h2 {
      position: relative; z-index: 1;
    }
    .cta-box p {
      position: relative; z-index: 1;
    }
    .cta-box .btn-white {
      position: relative; z-index: 1;
    }

    /* ===== Noise Texture Overlay ===== */
    body::after {
      content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
      pointer-events: none; z-index: 0; opacity: 0.4;
    }
    body > * { position: relative; z-index: 1; }

    /* ===== Animated gradient for hero ===== */
    .hero::after {
      content: ''; position: absolute; top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      width: 1200px; height: 800px;
      background: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
                  radial-gradient(ellipse at 70% 50%, rgba(102, 126, 234, 0.06) 0%, transparent 50%);
      pointer-events: none; z-index: 0;
      animation: heroGlow 8s ease-in-out infinite alternate;
    }
    @keyframes heroGlow {
      0% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
      100% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
    }
    .hero > .container { position: relative; z-index: 2; }


    /* ===== AI SEO Insight ===== */
    .seo-insight {
      padding-top: 72px;
      padding-bottom: 72px;
      background:
        radial-gradient(circle at 20% 10%, rgba(124, 58, 237, 0.10), transparent 34%),
        radial-gradient(circle at 82% 20%, rgba(102, 126, 234, 0.08), transparent 30%);
    }
    .seo-insight-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
      margin-top: 32px;
    }
    .seo-insight-card {
      background: linear-gradient(135deg, rgba(255,255,255,0.045), rgba(255,255,255,0.018));
      border: 1px solid rgba(167,139,250,0.16);
      border-radius: 20px;
      padding: 24px;
      text-align: left;
      min-height: 190px;
      box-shadow: 0 20px 50px rgba(2,6,23,.18);
    }
    .seo-insight-card h3 {
      color: var(--text-primary);
      font-size: 1rem;
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .seo-insight-card p {
      color: var(--text-secondary);
      font-size: .9rem;
      line-height: 1.8;
    }
    .seo-insight-actions {
      display: flex;
      justify-content: center;
      gap: 14px;
      margin-top: 28px;
      flex-wrap: wrap;
    }
    .seo-link {
      color: var(--primary-light);
      border-bottom: 1px solid rgba(167,139,250,.36);
      transition: opacity .2s ease, border-color .2s ease;
    }
    .seo-link:hover { opacity: .84; border-color: rgba(167,139,250,.8); }

    /* ===== Mobile ===== */
    @media (max-width: 768px) {
      .nav { display: none; }
      .nav.open {
        display: flex; flex-direction: column;
        position: absolute; top: 64px; left: 0; right: 0;
        background: rgba(10, 10, 15, 0.98);
        padding: 24px; gap: 20px;
        border-bottom: 1px solid var(--border);
      }
      .mobile-toggle { display: flex; align-items: center; justify-content: center; }
      .orbit-wrap { width: 320px; height: 320px; margin-bottom: 24px; }
      .orbit-track-1 { width: 160px; height: 160px; }
      .orbit-track-2 { width: 280px; height: 280px; }
      .orbit-center { width: 64px; height: 64px; border-radius: 16px; }
      .orbit-center svg { width: 36px; height: 36px; }
      .orbit-item.sz-lg { width: 40px; height: 40px; }
      .orbit-item.sz-md { width: 34px; height: 34px; }
      .orbit-item.sz-sm { width: 28px; height: 28px; }
      .features-grid { grid-template-columns: 1fr; }
      .pricing-grid { grid-template-columns: 1fr 1fr; }
      .steps-grid { grid-template-columns: 1fr 1fr; }
      .hero-stats { gap: 24px; }
      .section { padding: 60px 0; }
      .compare-wrapper { grid-template-columns: 1fr; gap: 20px; }
      .compare-col { padding: 28px 20px; }
      .compare-col__title { font-size: 1.2rem; }
      .footer-inner { flex-direction: column; }
      .hero-stats { gap: 24px; flex-wrap: wrap; }
      .hero-stat__num { font-size: 1.5rem; }
      .trust-logos { gap: 24px; }
      .trust-logos span:hover svg { transform: scale(1.15); }
    .trust-logos span { font-size: 0.9rem; }
      .lang-switch { margin-left: 0; margin-top: 8px; align-self: center; }
      .price-card.featured { transform: scale(1); }
      .price-card.featured:hover { transform: translateY(-4px); }
      .chat-panel { width: calc(100vw - 48px); right: 24px; bottom: 96px; }
      .promo-topbar {
        top: 70px;
        width: calc(100vw - 16px);
        min-height: 42px;
        border-radius: 12px;
      }
      .promo-topbar__inner { padding: 6px 10px; gap: 8px; }
      .promo-topbar__text {
        font-size: 12px;
        line-height: 1.25;
        white-space: normal;
      }
      .promo-topbar__btn {
        height: 24px;
        padding: 0 10px;
        font-size: 11px;
      }
      .promo-topbar__close {
        width: 22px;
        height: 22px;
        font-size: 13px;
      }
      .testimonials.section { padding-top: 34px; padding-bottom: 30px; }
      .tm-card { width: 320px; min-height: 230px; padding: 18px 18px; }
      .tm-text { font-size: 1.05rem; }
      .testimonials-marquee::before,
      .testimonials-marquee::after { width: 38px; }
    }
    @media (max-width: 480px) {
      .pricing-grid { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
      .seo-insight-grid { grid-template-columns: 1fr; }
      .tm-card { width: 280px; min-height: 216px; }
      .tm-text { font-size: 0.98rem; }
      .tm-date { font-size: 0.86rem; }
      .promo-modal__card { width: calc(100vw - 20px); padding: 18px 14px 14px; border-radius: 14px; }
      .promo-modal__title { font-size: 18px; }
      .promo-modal__desc { font-size: 13px; }
    }

    /* ===== Animations ===== */
    .fade-in {
      opacity: 0; transform: translateY(20px);
      transition: opacity 0.5s ease, transform 0.5s ease;
    }
    .fade-in.visible { opacity: 1; transform: translateY(0); }
    /* Above-the-fold: no flash — auto-visible */
    .hero .fade-in { opacity: 1; transform: none; transition: none; }
    .hero-tools .fade-in { opacity: 1; transform: none; transition: none; }
  
  .ops-strip{max-width:1100px;margin:22px auto 0;padding:18px 20px;border:1px solid rgba(124,58,237,.22);background:rgba(255,255,255,.02);backdrop-filter:blur(8px);border-radius:16px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
  .ops-item{padding:12px 14px;background:rgba(124,58,237,.06);border:1px solid rgba(124,58,237,.12);border-radius:12px;transition:background .2s ease}
  .ops-item b{display:block;font-size:12px;opacity:.6;margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
  .ops-item span{font-size:15px;font-weight:700}
  .quick-selftest{max-width:1100px;margin:18px auto 0;padding:18px 22px;border:1px solid rgba(124,58,237,.22);background:rgba(255,255,255,.02);backdrop-filter:blur(8px);border-radius:16px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;transition:border-color .2s ease}
  .quick-selftest .qs-title{font-weight:700}
  .quick-selftest:hover{border-color:rgba(124,58,237,.4)}
  .quick-selftest .qs-note{font-size:13px;opacity:.78;margin-top:4px}
  .btn-selftest{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border:none;border-radius:12px;background:linear-gradient(135deg,#7c3aed,#667eea);color:#fff;font-weight:700;font-size:14px;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 16px rgba(124,58,237,.3)}
  .btn-selftest:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(124,58,237,.45)}
  .btn-selftest:disabled{opacity:.6;cursor:not-allowed;transform:none}
  .badge-ok{color:#22c55e;font-weight:700}
  .badge-warn{color:#f59e0b;font-weight:700}

  /* ===== Hero Tools Container ===== */
  .hero-tools {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .hero-tools .ops-strip {
    max-width: none;
    margin: 22px 0 0;
  }
  .hero-tools .quick-selftest {
    max-width: none;
    margin: 12px 0 0;
  }

  /* Self-test result card override — contained + polished */
  #self-test-result {
    margin: 0;
    border-radius: 0 0 16px 16px;
    overflow: hidden;
  }

  /* Animated expand for result */
  .selftest-card-wrap {
    animation: stSlideDown 0.35s ease-out;
  }
  @keyframes stSlideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  @media (max-width:700px){
    .hero-tools { padding: 0 16px; }
    .ops-strip{grid-template-columns:1fr;gap:8px;padding:14px}
    .quick-selftest{align-items:flex-start;flex-direction:column;gap:12px}
    .quick-selftest .btn{width:100%;justify-content:center}
  }