/* roulang page: index */
:root {
      --bg: #0b0d11;
      --bg-2: #0f131a;
      --panel: #131823;
      --panel-2: #171d29;
      --line: rgba(255, 255, 255, 0.10);
      --line-strong: rgba(255, 255, 255, 0.18);
      --text: #f5f7fb;
      --muted: #aeb7c6;
      --soft: #8b95a8;
      --accent: #ef4444;
      --accent-2: #f59e0b;
      --accent-3: #22c55e;
      --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
      --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.22);
      --radius: 10px;
      --radius-sm: 8px;
      --gap: 1.25rem;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(239, 68, 68, 0.08), rgba(239, 68, 68, 0.00) 22%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.00)),
        var(--bg);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.65;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
      background-size: 48px 48px, 48px 48px;
      opacity: 0.28;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.82), rgba(0,0,0,0.14) 72%, rgba(0,0,0,0));
    }

    ::selection {
      background: rgba(239, 68, 68, 0.28);
      color: #fff;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    }

    img {
      display: block;
      max-width: 100%;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button,
    .btn-link {
      cursor: pointer;
    }

    :focus-visible {
      outline: 2px solid rgba(245, 158, 11, 0.9);
      outline-offset: 2px;
    }

    .shell {
      position: relative;
      z-index: 1;
    }

    .panel {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(12px);
    }

    .panel-strong {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      backdrop-filter: blur(12px);
    }

    .section-band {
      padding: 4.25rem 0;
      position: relative;
    }

    .section-band + .section-band {
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

    .section-band.alt {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0.005));
    }

    .section-band.accent {
      background:
        linear-gradient(135deg, rgba(239, 68, 68, 0.16), rgba(245, 158, 11, 0.10)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
    }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.38rem 0.75rem;
      border-radius: 999px;
      border: 1px solid rgba(239, 68, 68, 0.28);
      background: rgba(239, 68, 68, 0.10);
      color: #ffd7d7;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0;
    }

    .section-title {
      margin: 0.8rem 0 0.75rem;
      font-size: clamp(1.55rem, 2vw, 2.2rem);
      line-height: 1.15;
      letter-spacing: 0;
      font-weight: 800;
    }

    .section-copy {
      margin: 0;
      color: var(--muted);
      font-size: 0.98rem;
      max-width: 66ch;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 1.5rem;
      align-items: stretch;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      padding: 1.5rem;
      border-radius: 18px;
      border: 1px solid rgba(255, 255, 255, 0.10);
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02)),
        linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(245, 158, 11, 0.06));
      box-shadow: var(--shadow);
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      inset: auto -12% -48% auto;
      width: 300px;
      height: 300px;
      border-radius: 0;
      background:
        linear-gradient(135deg, rgba(239, 68, 68, 0.18), rgba(245, 158, 11, 0.12));
      transform: rotate(12deg);
      opacity: 0.4;
      pointer-events: none;
      clip-path: polygon(0 0, 100% 12%, 84% 100%, 0 82%);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.62rem 0.92rem;
      border-radius: 999px;
      border: 1px solid transparent;
      color: var(--muted);
      background: rgba(255, 255, 255, 0.03);
      font-size: 0.94rem;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: #fff;
      border-color: rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.06);
      transform: translateY(-1px);
    }

    .nav-link[aria-current="page"] {
      color: #fff;
      background: rgba(239, 68, 68, 0.16);
      border-color: rgba(239, 68, 68, 0.28);
      box-shadow: 0 8px 24px rgba(239, 68, 68, 0.12);
    }

    .brand-mark {
      width: 2.25rem;
      height: 2.25rem;
      display: inline-grid;
      place-items: center;
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(239, 68, 68, 0.98), rgba(220, 38, 38, 0.92));
      color: #fff;
      font-size: 0.95rem;
      font-weight: 900;
      box-shadow: 0 10px 24px rgba(239, 68, 68, 0.24);
      flex: 0 0 auto;
    }

    .brand-name {
      font-size: 0.96rem;
      line-height: 1.18;
      font-weight: 900;
      letter-spacing: 0;
      color: #fff;
      max-width: 18rem;
    }

    .brand-sub {
      display: block;
      color: var(--soft);
      font-size: 0.78rem;
      font-weight: 600;
      margin-top: 0.08rem;
    }

    .cta-primary,
    .cta-secondary,
    .cta-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.48rem;
      min-height: 2.85rem;
      padding: 0.72rem 1rem;
      border-radius: 9px;
      border: 1px solid transparent;
      font-size: 0.95rem;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
      transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
    }

    .cta-primary {
      background: linear-gradient(180deg, #f04444, #d92d20);
      color: #fff;
      box-shadow: 0 12px 26px rgba(239, 68, 68, 0.24);
    }

    .cta-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 14px 30px rgba(239, 68, 68, 0.30);
    }

    .cta-secondary {
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.10);
    }

    .cta-secondary:hover,
    .cta-ghost:hover {
      transform: translateY(-1px);
      border-color: rgba(255, 255, 255, 0.16);
      background: rgba(255, 255, 255, 0.09);
    }

    .cta-ghost {
      background: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.12);
    }

    .mini-stat {
      padding: 0.9rem 1rem;
      border-radius: 9px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(255, 255, 255, 0.03);
      min-height: 5rem;
    }

    .mini-stat .num {
      display: block;
      font-size: 1.15rem;
      font-weight: 900;
      color: #fff;
      line-height: 1.2;
    }

    .mini-stat .label {
      display: block;
      color: var(--muted);
      font-size: 0.84rem;
      margin-top: 0.25rem;
    }

    .tile {
      padding: 1rem;
      border-radius: 9px;
      border: 1px solid rgba(255, 255, 255, 0.09);
      background: rgba(255, 255, 255, 0.03);
      min-height: 7.2rem;
    }

    .tile h3 {
      margin: 0.15rem 0 0.35rem;
      font-size: 1rem;
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: 0;
    }

    .tile p {
      margin: 0;
      color: var(--muted);
      font-size: 0.86rem;
      line-height: 1.55;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.32rem 0.58rem;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.09);
      background: rgba(255, 255, 255, 0.04);
      color: #e7ecf6;
      font-size: 0.76rem;
      font-weight: 700;
      white-space: nowrap;
    }

    .tag.red {
      background: rgba(239, 68, 68, 0.12);
      border-color: rgba(239, 68, 68, 0.22);
      color: #ffd9d9;
    }

    .tag.amber {
      background: rgba(245, 158, 11, 0.12);
      border-color: rgba(245, 158, 11, 0.22);
      color: #ffe8be;
    }

    .tag.green {
      background: rgba(34, 197, 94, 0.12);
      border-color: rgba(34, 197, 94, 0.22);
      color: #d6ffe4;
    }

    .feature-card {
      padding: 1.2rem;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.02));
      min-height: 100%;
    }

    .feature-card h3 {
      margin: 0.75rem 0 0.35rem;
      font-size: 1.08rem;
      font-weight: 800;
      line-height: 1.25;
    }

    .feature-card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .feature-list {
      margin: 0.9rem 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 0.45rem;
    }

    .feature-list li {
      position: relative;
      padding-left: 1rem;
      color: #d8e0ee;
      font-size: 0.88rem;
    }

    .feature-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.55em;
      width: 0.42rem;
      height: 0.42rem;
      border-radius: 999px;
      background: linear-gradient(180deg, #f59e0b, #ef4444);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1rem;
    }

    .compare-card {
      padding: 1.25rem;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
      min-height: 100%;
    }

    .compare-card.recommended {
      border-color: rgba(239, 68, 68, 0.30);
      background: linear-gradient(180deg, rgba(239,68,68,0.12), rgba(255,255,255,0.02));
      box-shadow: 0 18px 42px rgba(239, 68, 68, 0.12);
    }

    .compare-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 0.85rem;
    }

    .compare-head h3 {
      margin: 0;
      font-size: 1.12rem;
      line-height: 1.2;
      font-weight: 850;
    }

    .price {
      font-size: 1.7rem;
      line-height: 1;
      font-weight: 900;
      letter-spacing: 0;
      color: #fff;
    }

    .price small {
      font-size: 0.85rem;
      color: var(--muted);
      font-weight: 700;
    }

    .specs {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 0.55rem;
    }

    .specs li {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      color: #d9e2f0;
      font-size: 0.88rem;
      border-bottom: 1px dashed rgba(255,255,255,0.08);
      padding-bottom: 0.38rem;
    }

    .specs span:first-child {
      color: var(--muted);
    }

    .limit-banner {
      overflow: hidden;
      padding: 1.2rem;
      border-radius: 16px;
      border: 1px solid rgba(239, 68, 68, 0.30);
      background:
        linear-gradient(135deg, rgba(239, 68, 68, 0.22), rgba(245, 158, 11, 0.12)),
        linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
      box-shadow: var(--shadow);
    }

    .countdown {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 0.65rem;
    }

    .count-box {
      padding: 0.9rem 0.8rem;
      border-radius: 9px;
      background: rgba(11, 13, 17, 0.42);
      border: 1px solid rgba(255,255,255,0.08);
      text-align: center;
    }

    .count-box .value {
      display: block;
      font-size: 1.55rem;
      line-height: 1;
      font-weight: 900;
      color: #fff;
    }

    .count-box .unit {
      display: block;
      margin-top: 0.35rem;
      color: #f1d1c9;
      font-size: 0.75rem;
      font-weight: 700;
    }

    .info-list {
      display: grid;
      gap: 0.7rem;
    }

    .info-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 0.95rem 1rem;
      border-radius: 9px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
    }

    .info-link:hover {
      transform: translateY(-1px);
      border-color: rgba(255,255,255,0.14);
      background: rgba(255,255,255,0.06);
    }

    .info-link strong {
      display: block;
      font-size: 0.96rem;
      line-height: 1.35;
      font-weight: 800;
    }

    .info-link span {
      display: block;
      margin-top: 0.25rem;
      color: var(--muted);
      font-size: 0.84rem;
      line-height: 1.45;
    }

    .info-side {
      padding: 1.2rem;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 0.55rem;
    }

    .faq-list {
      display: grid;
      gap: 0.8rem;
    }

    .faq-item {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.03);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 1rem 1.05rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      font-weight: 800;
      font-size: 0.98rem;
      color: #fff;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item .answer {
      padding: 0 1.05rem 1rem;
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.72;
      max-width: 75ch;
    }

    .faq-ico {
      width: 1.9rem;
      height: 1.9rem;
      flex: 0 0 auto;
      display: inline-grid;
      place-items: center;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(255,255,255,0.04);
      color: #fff;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1.02fr 0.98fr;
      gap: 1rem;
      align-items: start;
    }

    .form-card {
      padding: 1.25rem;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
      box-shadow: var(--shadow-soft);
    }

    .field {
      display: grid;
      gap: 0.4rem;
    }

    .field label {
      font-size: 0.9rem;
      font-weight: 800;
      color: #edf2fa;
    }

    .field input,
    .field textarea,
    .field select {
      width: 100%;
      border-radius: 9px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(11, 13, 17, 0.56);
      color: #fff;
      padding: 0.85rem 0.92rem;
      min-height: 2.8rem;
      outline: none;
      transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: #7f889a;
    }

    .field input:focus,
    .field textarea:focus,
    .field select:focus {
      border-color: rgba(245, 158, 11, 0.55);
      box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.14);
      background: rgba(11, 13, 17, 0.72);
    }

    .form-note {
      padding: 1.25rem;
      border-radius: var(--radius);
      border: 1px solid rgba(245, 158, 11, 0.18);
      background: linear-gradient(180deg, rgba(245, 158, 11, 0.10), rgba(255,255,255,0.02));
    }

    .check-row {
      display: flex;
      gap: 0.6rem;
      align-items: flex-start;
      color: #d9e2f0;
      font-size: 0.9rem;
    }

    .check-row input {
      margin-top: 0.25rem;
      accent-color: var(--accent);
    }

    .status {
      min-height: 3rem;
      padding: 0.9rem 1rem;
      border-radius: 9px;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(255,255,255,0.03);
      color: #e8eef9;
      font-size: 0.92rem;
    }

    .status.ok {
      border-color: rgba(34, 197, 94, 0.28);
      background: rgba(34, 197, 94, 0.10);
      color: #dfffea;
    }

    .status.err {
      border-color: rgba(239, 68, 68, 0.28);
      background: rgba(239, 68, 68, 0.10);
      color: #ffdede;
    }

    .footer {
      padding: 2rem 0 5.5rem;
      border-top: 1px solid rgba(255,255,255,0.06);
      background: linear-gradient(180deg, rgba(255,255,255,0.012), rgba(255,255,255,0.02));
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 0.55rem;
    }

    .footer-links a {
      padding: 0.52rem 0.78rem;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
      color: #d7dfec;
      font-size: 0.86rem;
      font-weight: 700;
    }

    .footer-links a:hover {
      border-color: rgba(255,255,255,0.14);
      background: rgba(255,255,255,0.06);
      color: #fff;
    }

    .mobile-tabs {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      display: none;
      border-top: 1px solid rgba(255,255,255,0.08);
      background: rgba(11, 13, 17, 0.94);
      backdrop-filter: blur(14px);
      box-shadow: 0 -12px 40px rgba(0,0,0,0.28);
    }

    .mobile-tabs a {
      display: grid;
      place-items: center;
      gap: 0.25rem;
      padding: 0.72rem 0.25rem 0.88rem;
      color: var(--muted);
      font-size: 0.72rem;
      font-weight: 700;
    }

    .mobile-tabs a[aria-current="page"] {
      color: #fff;
    }

    .mobile-tabs i {
      width: 1.1rem;
      height: 1.1rem;
    }

    .mobile-tabs .active-dot {
      width: 0.35rem;
      height: 0.35rem;
      border-radius: 999px;
      background: transparent;
      margin-top: 0.05rem;
    }

    .mobile-tabs a[aria-current="page"] .active-dot {
      background: var(--accent);
      box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.18);
    }

    .floating-copy {
      display: inline-flex;
      align-items: center;
      gap: 0.42rem;
      color: #fff;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .compare-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .section-band {
        padding: 3.2rem 0;
      }

      .brand-name {
        max-width: 11rem;
        font-size: 0.9rem;
      }

      .hero-stage {
        padding: 1.1rem;
      }

      .countdown {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .mobile-tabs {
        display: block;
      }
    }

    @media (max-width: 520px) {
      .section-title {
        font-size: 1.5rem;
      }

      .section-copy {
        font-size: 0.94rem;
      }

      .info-link {
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-primary,
      .cta-secondary,
      .cta-ghost,
      .nav-link {
        width: 100%;
        justify-content: center;
      }

      .brand-name {
        max-width: 10rem;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #07090d;
      --panel: rgba(17, 21, 28, 0.92);
      --panel-strong: rgba(23, 27, 36, 0.98);
      --line: rgba(255, 255, 255, 0.08);
      --line-strong: rgba(255, 255, 255, 0.14);
      --text: #f3f6fb;
      --muted: #9aa6b8;
      --subtle: #667388;
      --accent: #f04363;
      --accent-strong: #cf2f50;
      --accent-soft: rgba(240, 67, 99, 0.12);
      --gold: #ffbf3f;
      --cool: #56d6ff;
      --ok: #3ddc97;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
      --shadow-inset: inset 0 1px 0 rgba(255,255,255,0.03);
      --container: 1200px;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(7, 9, 13, 0.96), rgba(7, 9, 13, 0.98)),
        radial-gradient(circle at top left, rgba(240, 67, 99, 0.14), transparent 28%),
        radial-gradient(circle at 85% 20%, rgba(255, 191, 63, 0.10), transparent 20%),
        linear-gradient(135deg, #090b10 0%, #080a0e 100%);
      min-height: 100vh;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      font-feature-settings: "kern";
    }

    * {
      box-sizing: border-box;
    }

    a, button, input, textarea, select {
      font: inherit;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button {
      border: 0;
      background: none;
      color: inherit;
    }

    .container-wrap {
      width: min(100% - 2rem, var(--container));
      margin-inline: auto;
    }

    .panel {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }

    .panel-strong {
      background: var(--panel-strong);
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .section-band {
      position: relative;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)),
        linear-gradient(90deg, rgba(240,67,99,0.06), transparent 28%, transparent 72%, rgba(255,191,63,0.04));
    }

    .section-gap {
      padding: 4.5rem 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.35rem 0.75rem;
      border-radius: 999px;
      border: 1px solid rgba(240, 67, 99, 0.26);
      background: rgba(240, 67, 99, 0.08);
      color: #ffc7d1;
      font-size: 0.8rem;
      line-height: 1;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .section-title {
      margin: 0;
      color: #fff;
      font-size: clamp(1.55rem, 2vw, 2.15rem);
      line-height: 1.12;
      letter-spacing: 0;
      font-weight: 800;
    }

    .section-desc {
      margin: 0;
      color: var(--muted);
      line-height: 1.8;
      font-size: 0.96rem;
    }

    .brand-mark {
      width: 2.45rem;
      height: 2.45rem;
      border-radius: 7px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background:
        linear-gradient(180deg, rgba(240,67,99,1), rgba(171,29,63,1));
      color: #fff;
      font-size: 1rem;
      font-weight: 900;
      letter-spacing: 0;
      box-shadow: 0 10px 22px rgba(240,67,99,0.28);
      flex: 0 0 auto;
    }

    .brand-name {
      color: #fff;
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: 0;
      font-size: 1rem;
    }

    .brand-sub {
      display: block;
      margin-top: 0.2rem;
      color: var(--muted);
      font-size: 0.78rem;
      line-height: 1.3;
      letter-spacing: 0;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      padding: 0.68rem 0.95rem;
      border-radius: 8px;
      color: #cbd5e1;
      border: 1px solid transparent;
      background: transparent;
      transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
      line-height: 1;
      font-size: 0.94rem;
      font-weight: 700;
      letter-spacing: 0;
    }

    .nav-link:hover {
      transform: translateY(-1px);
      color: #fff;
      border-color: rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
    }

    .nav-link[aria-current="page"] {
      color: #fff;
      border-color: rgba(240, 67, 99, 0.28);
      background: rgba(240, 67, 99, 0.12);
      box-shadow: 0 0 0 1px rgba(240, 67, 99, 0.08) inset;
    }

    .cta-primary, .cta-ghost, .btn-soft {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      border-radius: 8px;
      padding: 0.82rem 1.05rem;
      font-weight: 800;
      line-height: 1;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
      letter-spacing: 0;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .cta-primary {
      background: linear-gradient(180deg, #ff607d, #cf2f50);
      color: #fff;
      box-shadow: 0 16px 28px rgba(207, 47, 80, 0.25);
    }

    .cta-primary:hover, .cta-ghost:hover, .btn-soft:hover {
      transform: translateY(-1px);
    }

    .cta-primary:focus-visible, .cta-ghost:focus-visible, .btn-soft:focus-visible,
    .nav-link:focus-visible, .field:focus-visible, summary:focus-visible {
      outline: 2px solid rgba(86, 214, 255, 0.8);
      outline-offset: 2px;
    }

    .cta-ghost {
      background: rgba(255,255,255,0.03);
      color: #fff;
      border-color: rgba(255,255,255,0.08);
    }

    .btn-soft {
      background: rgba(240, 67, 99, 0.12);
      border-color: rgba(240, 67, 99, 0.22);
      color: #ffd5dd;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.28rem 0.6rem;
      border-radius: 999px;
      font-size: 0.75rem;
      line-height: 1;
      font-weight: 700;
      letter-spacing: 0;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .badge-accent {
      background: rgba(240,67,99,0.12);
      color: #ffd5dd;
      border-color: rgba(240,67,99,0.24);
    }

    .badge-amber {
      background: rgba(255,191,63,0.12);
      color: #ffe6a0;
      border-color: rgba(255,191,63,0.24);
    }

    .badge-cool {
      background: rgba(86,214,255,0.10);
      color: #c6f2ff;
      border-color: rgba(86,214,255,0.20);
    }

    .badge-ok {
      background: rgba(61,220,151,0.10);
      color: #c6ffe6;
      border-color: rgba(61,220,151,0.20);
    }

    .stat-card {
      padding: 1rem;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
      box-shadow: var(--shadow-inset);
    }

    .stat-num {
      display: block;
      color: #fff;
      font-size: 1.15rem;
      font-weight: 900;
      line-height: 1.1;
    }

    .stat-label {
      margin-top: 0.35rem;
      color: var(--muted);
      font-size: 0.82rem;
      line-height: 1.4;
    }

    .feature-list {
      display: grid;
      gap: 0.8rem;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 0.65rem;
      color: #d7dfea;
      line-height: 1.7;
      font-size: 0.94rem;
    }

    .feature-list li i {
      width: 1.15rem;
      height: 1.15rem;
      margin-top: 0.15rem;
      color: #f5b6c2;
      flex: 0 0 auto;
    }

    .hero-card {
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)),
        radial-gradient(circle at top left, rgba(240,67,99,0.16), transparent 40%),
        linear-gradient(135deg, rgba(17,21,28,0.98), rgba(12,14,19,0.98));
      box-shadow: 0 24px 52px rgba(0,0,0,0.34);
    }

    .hero-card::after {
      content: "";
      position: absolute;
      inset: auto -10% -42% auto;
      width: 16rem;
      height: 16rem;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255,191,63,0.12), transparent 68%);
      pointer-events: none;
    }

    .metric-bar {
      height: 0.48rem;
      border-radius: 999px;
      background: rgba(255,255,255,0.06);
      overflow: hidden;
    }

    .metric-fill {
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #ff607d, #ffbf3f);
    }

    .compare-card {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      height: 100%;
      padding: 1.15rem;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.08);
      background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
      box-shadow: var(--shadow-inset);
    }

    .compare-card.recommended {
      border-color: rgba(240, 67, 99, 0.32);
      background:
        linear-gradient(180deg, rgba(240,67,99,0.16), rgba(255,255,255,0.03)),
        linear-gradient(135deg, rgba(17,21,28,0.98), rgba(13,16,22,0.98));
      box-shadow: 0 0 0 1px rgba(240,67,99,0.06) inset, 0 24px 50px rgba(0,0,0,0.30);
    }

    .compare-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.6rem;
    }

    .compare-title {
      color: #fff;
      font-size: 1.05rem;
      font-weight: 900;
      line-height: 1.2;
    }

    .compare-price {
      color: #fff;
      font-weight: 900;
      font-size: 1.45rem;
      line-height: 1;
      letter-spacing: 0;
    }

    .compare-sub {
      color: var(--muted);
      font-size: 0.9rem;
      line-height: 1.7;
    }

    .spec-list {
      display: grid;
      gap: 0.75rem;
      padding-top: 0.25rem;
    }

    .spec-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding-bottom: 0.7rem;
      border-bottom: 1px solid rgba(255,255,255,0.07);
      font-size: 0.92rem;
    }

    .spec-row:last-child {
      padding-bottom: 0;
      border-bottom: 0;
    }

    .spec-label {
      color: var(--muted);
    }

    .spec-value {
      color: #fff;
      text-align: right;
      font-weight: 700;
    }

    .limited-strip {
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      border: 1px solid rgba(240,67,99,0.24);
      background:
        linear-gradient(135deg, rgba(240,67,99,0.22), rgba(17,21,28,0.96)),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
      box-shadow: 0 24px 50px rgba(0,0,0,0.30);
    }

    .limited-strip::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent 0 18%, rgba(255,255,255,0.07) 18% 19%, transparent 19% 100%);
      opacity: 0.16;
      pointer-events: none;
    }

    .steps-grid {
      display: grid;
      gap: 1rem;
    }

    .step-item {
      padding: 1rem 1rem 1rem 1rem;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
      box-shadow: var(--shadow-inset);
    }

    .step-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 1.9rem;
      height: 1.9rem;
      border-radius: 8px;
      background: rgba(240,67,99,0.12);
      color: #ffd9e0;
      border: 1px solid rgba(240,67,99,0.18);
      font-weight: 900;
      margin-bottom: 0.85rem;
    }

    .step-title {
      color: #fff;
      font-size: 1rem;
      font-weight: 800;
      line-height: 1.25;
      margin: 0 0 0.35rem;
    }

    .step-desc {
      color: var(--muted);
      line-height: 1.75;
      font-size: 0.92rem;
      margin: 0;
    }

    details.faq-item {
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
      padding: 0.15rem 0.9rem;
      box-shadow: var(--shadow-inset);
    }

    details.faq-item + details.faq-item {
      margin-top: 0.9rem;
    }

    details.faq-item summary {
      list-style: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 0.95rem 0.05rem;
      color: #fff;
      font-weight: 800;
      line-height: 1.45;
    }

    details.faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-answer {
      padding: 0 0 1rem;
      color: var(--muted);
      line-height: 1.8;
      font-size: 0.94rem;
    }

    .field {
      width: 100%;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(255,255,255,0.03);
      color: #fff;
      padding: 0.9rem 1rem;
      outline: none;
      transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    }

    .field::placeholder {
      color: #6c7a8e;
    }

    .field:focus {
      border-color: rgba(86,214,255,0.45);
      box-shadow: 0 0 0 3px rgba(86,214,255,0.12);
      background: rgba(255,255,255,0.05);
    }

    .select-wrap {
      position: relative;
    }

    .select-wrap::after {
      content: "";
      position: absolute;
      right: 1rem;
      top: 50%;
      width: 0.55rem;
      height: 0.55rem;
      border-right: 2px solid #8ea0b8;
      border-bottom: 2px solid #8ea0b8;
      transform: translateY(-70%) rotate(45deg);
      pointer-events: none;
    }

    .select-wrap select.field {
      appearance: none;
      padding-right: 2.6rem;
    }

    .footer {
      border-top: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(10,12,17,0.96), rgba(7,9,13,1));
      padding: 2.2rem 0 6.2rem;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 0.7rem 1rem;
    }

    .footer-links a {
      color: #c8d2e0;
      font-size: 0.92rem;
      line-height: 1.4;
      transition: color 0.18s ease, opacity 0.18s ease;
    }

    .footer-links a:hover {
      color: #fff;
    }

    .mobile-tab {
      border-top: 1px solid rgba(255,255,255,0.08);
      background: rgba(9,11,15,0.95);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }

    .mobile-tab a {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 0.28rem;
      min-width: 0;
      color: #aab7c7;
      font-size: 0.72rem;
      line-height: 1;
      font-weight: 700;
      padding: 0.6rem 0.4rem 0.5rem;
      transition: color 0.18s ease, transform 0.18s ease, background 0.18s ease;
      border-radius: 8px;
    }

    .mobile-tab a:hover {
      color: #fff;
      background: rgba(255,255,255,0.03);
      transform: translateY(-1px);
    }

    .mobile-tab a[aria-current="page"] {
      color: #fff;
      background: rgba(240,67,99,0.12);
    }

    .mobile-tab i, .nav-link i, .cta-primary i, .cta-ghost i, .btn-soft i {
      width: 1rem;
      height: 1rem;
    }

    @media (min-width: 768px) {
      .section-gap {
        padding: 5.5rem 0;
      }
    }

    @media (min-width: 1024px) {
      .hero-layout {
        grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
      }
    }

/* roulang page: category1 */
:root {
    --bg: #0b0f14;
    --bg-soft: #11161d;
    --panel: rgba(18, 25, 35, 0.88);
    --panel-strong: rgba(20, 28, 39, 0.96);
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);
    --text: #edf2f7;
    --muted: #9aa7b7;
    --primary: #e5484d;
    --primary-2: #ff7a45;
    --accent: #ffd166;
    --good: #34d399;
    --radius: 8px;
    --radius-sm: 6px;
    --shadow: 0 16px 36px rgba(0, 0, 0, 0.26);
    --shadow-soft: 0 10px 24px rgba(0, 0, 0, 0.18);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
      linear-gradient(180deg, rgba(229, 72, 77, 0.06), transparent 18%),
      linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
      linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
      var(--bg);
    background-size: auto, 64px 64px, 64px 64px, auto;
    background-position: 0 0, 0 0, 0 0, 0 0;
    font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    letter-spacing: 0;
    padding-bottom: 5.5rem;
  }

  ::selection {
    background: rgba(229, 72, 77, 0.28);
    color: #fff;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  img {
    max-width: 100%;
    display: block;
  }

  button,
  input,
  select,
  textarea {
    font: inherit;
  }

  button {
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
  }

  .container-shell {
    width: min(100%, 80rem);
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(16px);
  }

  .panel-strong {
    background: var(--panel-strong);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    background: linear-gradient(180deg, rgba(229, 72, 77, 0.95), rgba(196, 47, 53, 0.92));
    color: #fff;
    font-weight: 900;
    font-size: 1rem;
    box-shadow: 0 8px 18px rgba(229, 72, 77, 0.28);
    flex: 0 0 auto;
  }

  .brand-name {
    font-size: 1rem;
    line-height: 1.2;
    font-weight: 900;
    color: #fff;
    letter-spacing: 0;
  }

  .brand-sub {
    display: block;
    font-size: 0.78rem;
    line-height: 1.35;
    color: var(--muted);
    margin-top: 0.1rem;
  }

  .nav-link,
  .cta-primary,
  .cta-ghost,
  .chip,
  .tab-link {
    transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.72rem 0.95rem;
    border-radius: var(--radius-sm);
    color: #d7deea;
    border: 1px solid transparent;
    font-size: 0.92rem;
    font-weight: 700;
    background: rgba(255,255,255,0.02);
  }

  .nav-link:hover,
  .nav-link:focus-visible {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.08);
    color: #fff;
    transform: translateY(-1px);
  }

  .nav-link.active {
    background: linear-gradient(180deg, rgba(229, 72, 77, 0.18), rgba(229, 72, 77, 0.08));
    border-color: rgba(229, 72, 77, 0.35);
    color: #fff;
    box-shadow: 0 10px 22px rgba(229, 72, 77, 0.16);
  }

  .cta-primary,
  .cta-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 2.8rem;
    padding: 0.72rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 800;
  }

  .cta-primary {
    color: #fff;
    background: linear-gradient(180deg, var(--primary), #c83238);
    box-shadow: 0 12px 28px rgba(229, 72, 77, 0.25);
  }

  .cta-primary:hover,
  .cta-primary:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 14px 32px rgba(229, 72, 77, 0.34);
  }

  .cta-ghost {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.11);
    background: rgba(255, 255, 255, 0.04);
  }

  .cta-ghost:hover,
  .cta-ghost:focus-visible {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.08);
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.36rem 0.7rem;
    border-radius: 999px;
    background: rgba(229, 72, 77, 0.12);
    color: #ffb8bc;
    border: 1px solid rgba(229, 72, 77, 0.22);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
  }

  .section-title {
    font-size: clamp(1.45rem, 2.2vw, 2.1rem);
    line-height: 1.15;
    font-weight: 900;
    margin: 0;
    color: #fff;
    letter-spacing: 0;
  }

  .section-desc {
    margin-top: 0.85rem;
    font-size: 0.98rem;
    line-height: 1.8;
    color: var(--muted);
    max-width: 58rem;
  }

  .hero-surface {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
  }

  .hero-surface::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(135deg, rgba(229, 72, 77, 0.09), transparent 38%),
      linear-gradient(315deg, rgba(255, 122, 69, 0.08), transparent 34%);
    pointer-events: none;
  }

  .hero-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(255, 122, 69, 0.12), transparent 28%);
    pointer-events: none;
  }

  .hero-title {
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.06;
    font-weight: 950;
    letter-spacing: 0;
    color: #fff;
  }

  .hero-copy {
    font-size: 1.03rem;
    line-height: 1.85;
    color: #bac6d4;
    max-width: 42rem;
  }

  .feature-list {
    display: grid;
    gap: 0.7rem;
    margin-top: 1.25rem;
  }

  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    color: #dce4ee;
    font-size: 0.95rem;
    line-height: 1.65;
  }

  .feature-bullet {
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(229, 72, 77, 0.16);
    border: 1px solid rgba(229, 72, 77, 0.28);
    color: #ffcfbe;
    flex: 0 0 auto;
    margin-top: 0.08rem;
  }

  .trust-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1rem;
  }

  .trust-strip span,
  .badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.72rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line);
    color: #dfe7f1;
    font-size: 0.8rem;
    font-weight: 700;
  }

  .mini-stat {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.95rem;
  }

  .mini-stat strong {
    display: block;
    color: #fff;
    font-size: 1.2rem;
    line-height: 1.1;
  }

  .mini-stat span {
    display: block;
    margin-top: 0.28rem;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .hero-matrix {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
      linear-gradient(135deg, rgba(229, 72, 77, 0.07), rgba(255, 122, 69, 0.03));
  }

  .hero-matrix::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
      linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.2;
    pointer-events: none;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 1.95rem;
    padding: 0.25rem 0.62rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: #e6edf8;
    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1;
  }

  .tag.hot {
    background: rgba(229, 72, 77, 0.15);
    border-color: rgba(229, 72, 77, 0.28);
    color: #ffd4d6;
  }

  .tag.good {
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.24);
    color: #c8f4e4;
  }

  .tag.warn {
    background: rgba(255, 209, 102, 0.12);
    border-color: rgba(255, 209, 102, 0.24);
    color: #ffe6aa;
  }

  .chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 2.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: #dde6f2;
    font-size: 0.86rem;
    font-weight: 700;
  }

  .chip:hover,
  .chip:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(229, 72, 77, 0.35);
    background: rgba(229, 72, 77, 0.1);
    color: #fff;
  }

  .chip.active {
    background: linear-gradient(180deg, rgba(229, 72, 77, 0.18), rgba(229, 72, 77, 0.08));
    border-color: rgba(229, 72, 77, 0.36);
    color: #fff;
  }

  .card-soft {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
  }

  .item-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    height: 100%;
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
  }

  .item-card:hover {
    transform: translateY(-2px);
    border-color: rgba(229, 72, 77, 0.26);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.22);
    background: rgba(255, 255, 255, 0.045);
  }

  .item-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 900;
    line-height: 1.25;
    color: #fff;
    letter-spacing: 0;
  }

  .item-text {
    margin: 0.5rem 0 0;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.72;
  }

  .item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.8rem;
  }

  .item-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--line);
  }

  .small-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #ffd4d6;
    font-weight: 800;
    font-size: 0.86rem;
  }

  .small-link:hover {
    color: #fff;
  }

  .section-band {
    border-top: 1px solid var(--line);
    padding-top: 2rem;
  }

  .compare-table {
    width: 100%;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: var(--radius);
  }

  .compare-table thead th {
    text-align: left;
    padding: 0.9rem 1rem;
    font-size: 0.84rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid var(--line);
  }

  .compare-table tbody td {
    padding: 0.95rem 1rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
    color: #dde5f1;
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .compare-table tbody tr:hover td {
    background: rgba(255, 255, 255, 0.02);
  }

  .compare-name {
    font-weight: 900;
    color: #fff;
  }

  .compare-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.38rem;
    padding: 0.26rem 0.55rem;
    border-radius: 999px;
    border: 1px solid rgba(229, 72, 77, 0.22);
    background: rgba(229, 72, 77, 0.12);
    color: #ffccd0;
    font-size: 0.76rem;
    font-weight: 800;
  }

  .feature-line {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: #e6edf8;
    font-size: 0.92rem;
    line-height: 1.7;
  }

  .feature-dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 999px;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(229, 72, 77, 0.12);
    flex: 0 0 auto;
  }

  .limit-strip {
    background: linear-gradient(135deg, rgba(229, 72, 77, 0.22), rgba(255, 122, 69, 0.1));
    border: 1px solid rgba(229, 72, 77, 0.28);
    border-radius: var(--radius);
    box-shadow: 0 16px 32px rgba(229, 72, 77, 0.14);
  }

  .field-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 800;
    color: #edf2f7;
  }

  .field,
  .field-area,
  .field-select {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    padding: 0.88rem 0.95rem;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
  }

  .field::placeholder,
  .field-area::placeholder {
    color: #7f8ea2;
  }

  .field:focus,
  .field-area:focus,
  .field-select:focus {
    border-color: rgba(229, 72, 77, 0.42);
    box-shadow: 0 0 0 3px rgba(229, 72, 77, 0.12);
    background: rgba(255, 255, 255, 0.055);
  }

  .field-area {
    min-height: 8.5rem;
    resize: vertical;
  }

  .faq-item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.035);
    overflow: hidden;
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1rem;
    text-align: left;
    color: #fff;
    font-weight: 850;
    font-size: 0.96rem;
  }

  .faq-question span {
    line-height: 1.45;
  }

  .faq-answer {
    display: none;
    padding: 0 1rem 1rem;
    color: var(--muted);
    font-size: 0.93rem;
    line-height: 1.8;
  }

  .faq-item.open .faq-answer {
    display: block;
  }

  .faq-item.open .faq-question svg {
    transform: rotate(180deg);
  }

  .faq-question svg {
    transition: transform 0.18s ease;
    flex: 0 0 auto;
  }

  .footer {
    margin-top: 2rem;
    padding: 2rem 0 6rem;
    border-top: 1px solid var(--line);
    background: rgba(8, 11, 16, 0.74);
    backdrop-filter: blur(14px);
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.85rem;
  }

  .footer-links a {
    color: #d7e0eb;
    font-size: 0.9rem;
    font-weight: 700;
  }

  .footer-links a:hover,
  .footer-links a:focus-visible {
    color: #fff;
  }

  .mobile-tab {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    display: none;
    border-top: 1px solid var(--line);
    background: rgba(11, 15, 20, 0.92);
    backdrop-filter: blur(18px);
  }

  .mobile-tab .tab-link {
    flex: 1 1 0%;
    min-height: 3.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.2rem;
    color: #aeb9c8;
    font-size: 0.72rem;
    font-weight: 700;
  }

  .mobile-tab .tab-link svg {
    width: 1.08rem;
    height: 1.08rem;
  }

  .mobile-tab .tab-link.active {
    color: #fff;
    background: linear-gradient(180deg, rgba(229, 72, 77, 0.16), rgba(229, 72, 77, 0.06));
  }

  .mobile-tab .tab-link:hover {
    color: #fff;
  }

  .hide-scrollbar {
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .hide-scrollbar::-webkit-scrollbar {
    display: none;
  }

  @media (max-width: 1024px) {
    .container-shell {
      padding-left: 0.9rem;
      padding-right: 0.9rem;
    }
  }

  @media (max-width: 768px) {
    body {
      padding-bottom: 6.2rem;
    }

    .mobile-tab {
      display: flex;
    }
  }

  @media (max-width: 520px) {
    .brand-name {
      font-size: 0.95rem;
    }

    .hero-title {
      font-size: 1.95rem;
    }

    .hero-copy,
    .section-desc {
      font-size: 0.94rem;
    }

    .cta-primary,
    .cta-ghost {
      width: 100%;
      justify-content: center;
    }

    .item-foot {
      flex-direction: column;
      align-items: flex-start;
    }

    .faq-question {
      padding: 0.92rem 0.9rem;
    }

    .faq-answer {
      padding: 0 0.9rem 0.9rem;
    }
  }