/* roulang page: index */
:root {
      --bg: #0f1117;
      --bg-soft: #151926;
      --bg-card: rgba(255, 255, 255, 0.08);
      --bg-card-solid: #1b2030;
      --primary: #ff4d7d;
      --primary-dark: #db2f62;
      --primary-soft: rgba(255, 77, 125, 0.14);
      --secondary: #8b5cf6;
      --secondary-soft: rgba(139, 92, 246, 0.16);
      --accent: #21d4b4;
      --text: #f8fafc;
      --text-muted: #a7b0c0;
      --text-dark: #111827;
      --line: rgba(255, 255, 255, 0.12);
      --line-strong: rgba(255, 255, 255, 0.2);
      --white: #ffffff;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
      --shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.22);
      --radius-xl: 30px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1180px;
      --transition: all .24s ease;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.7;
      background:
        radial-gradient(circle at 15% 0%, rgba(255, 77, 125, .22), transparent 32%),
        radial-gradient(circle at 85% 18%, rgba(139, 92, 246, .2), transparent 34%),
        linear-gradient(180deg, #0f1117 0%, #111522 46%, #0f1117 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      background: var(--primary);
      color: var(--white);
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid var(--line);
      background: rgba(15, 17, 23, .82);
      backdrop-filter: blur(18px);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 76px;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -0.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 10px 28px rgba(255, 77, 125, .32);
      color: var(--white);
      font-size: 18px;
    }

    .brand-text {
      font-size: 20px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      position: relative;
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--text-muted);
      font-size: 15px;
      font-weight: 700;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--text);
      background: rgba(255, 255, 255, .08);
      outline: none;
    }

    .nav-link.active {
      color: var(--white);
      background: linear-gradient(135deg, rgba(255, 77, 125, .26), rgba(139, 92, 246, .22));
      border: 1px solid var(--line);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .age-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 13px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--text-muted);
      background: rgba(255, 255, 255, .05);
      font-size: 13px;
      font-weight: 800;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(255, 255, 255, .08);
      color: var(--white);
      border: 1px solid var(--line);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: var(--white);
      border-radius: 99px;
    }

    .hero {
      position: relative;
      padding: 86px 0 52px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(15, 17, 23, .94), rgba(15, 17, 23, .68), rgba(15, 17, 23, .88)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity: .62;
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      width: 560px;
      height: 560px;
      right: -160px;
      top: 30px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 77, 125, .24), transparent 67%);
      filter: blur(4px);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr);
      gap: 40px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 8px 13px;
      border-radius: 999px;
      color: #ffd7e3;
      background: rgba(255, 77, 125, .14);
      border: 1px solid rgba(255, 77, 125, .28);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(33, 212, 180, .12);
    }

    h1 {
      max-width: 840px;
      font-size: clamp(42px, 7vw, 78px);
      line-height: 1.04;
      letter-spacing: -0.055em;
      font-weight: 950;
      margin-bottom: 22px;
    }

    .gradient-text {
      background: linear-gradient(135deg, #fff 0%, #ffd6e2 34%, #c7b8ff 100%);
      -webkit-background-clip: text;
      color: transparent;
    }

    .hero-lead {
      max-width: 740px;
      color: #d6dbe7;
      font-size: 19px;
      line-height: 1.9;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 13px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 900;
      transition: var(--transition);
      border: 1px solid transparent;
      user-select: none;
    }

    .btn-primary {
      color: var(--white);
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 14px 34px rgba(255, 77, 125, .28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(255, 77, 125, .36);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, .08);
      border-color: var(--line-strong);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, .13);
      transform: translateY(-2px);
    }

    .btn:focus {
      outline: 3px solid rgba(255, 77, 125, .35);
      outline-offset: 3px;
    }

    .hero-notes {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--text-muted);
      font-size: 14px;
    }

    .note {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--line);
    }

    .hero-panel {
      position: relative;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: linear-gradient(180deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .06));
      box-shadow: var(--shadow);
      backdrop-filter: blur(16px);
    }

    .visual-card {
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: var(--bg-card-solid);
    }

    .visual-card img {
      width: 100%;
      height: 260px;
      object-fit: cover;
    }

    .visual-body {
      padding: 20px;
    }

    .visual-title {
      font-size: 22px;
      font-weight: 950;
      margin-bottom: 8px;
    }

    .visual-copy {
      color: var(--text-muted);
      font-size: 15px;
      margin-bottom: 16px;
    }

    .check-list {
      display: grid;
      gap: 10px;
    }

    .check-list li {
      list-style: none;
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: #dbe2ee;
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      display: grid;
      place-items: center;
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      color: #06251f;
      background: var(--accent);
      font-weight: 950;
      font-size: 12px;
      margin-top: 1px;
    }

    main {
      position: relative;
      z-index: 1;
    }

    .section {
      padding: 78px 0;
    }

    .section-sm {
      padding: 56px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--primary);
      font-weight: 950;
      letter-spacing: .08em;
      font-size: 13px;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.16;
      letter-spacing: -0.04em;
      font-weight: 950;
    }

    .section-desc {
      max-width: 620px;
      color: var(--text-muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .grid {
      display: grid;
      gap: 20px;
    }

    .grid-3 {
      grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
      grid-template-columns: repeat(4, 1fr);
    }

    .card {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .045));
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      overflow: hidden;
    }

    .card:hover {
      transform: translateY(-5px);
      border-color: rgba(255, 77, 125, .32);
      box-shadow: 0 22px 54px rgba(0, 0, 0, .32);
    }

    .feature-card {
      padding: 26px;
      min-height: 240px;
    }

    .icon-box {
      width: 50px;
      height: 50px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      background: linear-gradient(135deg, rgba(255, 77, 125, .22), rgba(139, 92, 246, .18));
      border: 1px solid var(--line);
      font-size: 22px;
    }

    .card h3 {
      font-size: 22px;
      line-height: 1.3;
      margin-bottom: 10px;
      font-weight: 950;
      letter-spacing: -0.02em;
    }

    .card p {
      color: var(--text-muted);
      font-size: 15px;
    }

    .category-card {
      position: relative;
      min-height: 360px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      overflow: hidden;
    }

    .category-card img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
      z-index: -2;
    }

    .category-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 17, 23, .18), rgba(15, 17, 23, .9));
      z-index: -1;
    }

    .category-card:hover img {
      transform: scale(1.06);
    }

    .category-content {
      padding: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      color: #ffe4ed;
      background: rgba(255, 77, 125, .18);
      border: 1px solid rgba(255, 77, 125, .28);
      margin-bottom: 12px;
    }

    .split {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 26px;
      align-items: center;
    }

    .image-frame {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .image-frame img {
      width: 100%;
      height: 480px;
      object-fit: cover;
    }

    .image-frame::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent, rgba(15, 17, 23, .38));
      pointer-events: none;
    }

    .info-panel {
      padding: 34px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .06);
    }

    .steps {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .step {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid var(--line);
    }

    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: var(--white);
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      font-weight: 950;
    }

    .step strong {
      display: block;
      margin-bottom: 4px;
      font-size: 17px;
    }

    .step span {
      color: var(--text-muted);
      font-size: 14px;
    }

    .content-list {
      display: grid;
      gap: 14px;
    }

    .post-item {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border-radius: 20px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .06);
      transition: var(--transition);
    }

    .post-item:hover {
      background: rgba(255, 255, 255, .1);
      border-color: rgba(255, 77, 125, .32);
      transform: translateY(-2px);
    }

    .post-title {
      font-size: 18px;
      font-weight: 950;
      margin-bottom: 7px;
      color: var(--text);
    }

    .post-summary {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .post-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 10px;
      color: #c7cede;
      font-size: 13px;
    }

    .post-meta span {
      padding: 5px 9px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .07);
      border: 1px solid var(--line);
    }

    .post-arrow {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: var(--primary-soft);
      color: #ffd7e3;
      font-weight: 950;
    }

    .empty-state {
      padding: 24px;
      border-radius: 20px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, .06);
      border: 1px dashed var(--line-strong);
    }

    .proof-band {
      border-radius: var(--radius-xl);
      padding: 30px;
      border: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(255, 77, 125, .15), rgba(139, 92, 246, .12)),
        rgba(255, 255, 255, .055);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .proof {
      padding: 18px;
      border-radius: 20px;
      background: rgba(15, 17, 23, .42);
      border: 1px solid var(--line);
    }

    .proof strong {
      display: block;
      font-size: 30px;
      line-height: 1.15;
      margin-bottom: 6px;
      letter-spacing: -0.03em;
    }

    .proof span {
      color: var(--text-muted);
      font-size: 14px;
    }

    .faq {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 28px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border-radius: 20px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .06);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 20px;
      color: var(--text);
      background: transparent;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-weight: 950;
      text-align: left;
    }

    .faq-question:hover,
    .faq-question:focus {
      background: rgba(255, 255, 255, .055);
      outline: none;
    }

    .faq-icon {
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--primary-soft);
      color: #ffd7e3;
      transition: var(--transition);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: var(--text-muted);
      font-size: 15px;
    }

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

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: var(--white);
    }

    .cta {
      position: relative;
      overflow: hidden;
      border-radius: 34px;
      padding: 46px;
      border: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(255, 77, 125, .26), rgba(139, 92, 246, .22)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow: var(--shadow);
    }

    .cta::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(15, 17, 23, .62);
      z-index: 0;
    }

    .cta-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 26px;
      align-items: center;
    }

    .cta h2 {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -0.04em;
      margin-bottom: 12px;
    }

    .cta p {
      color: #dce3ef;
      max-width: 720px;
    }

    .site-footer {
      padding: 56px 0 28px;
      border-top: 1px solid var(--line);
      background: rgba(8, 10, 15, .72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 28px;
      margin-bottom: 34px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 950;
      font-size: 20px;
      margin-bottom: 14px;
    }

    .footer-copy {
      color: var(--text-muted);
      max-width: 520px;
      font-size: 14px;
    }

    .footer-title {
      font-weight: 950;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--text-muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--white);
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
      color: var(--text-muted);
      font-size: 13px;
    }

    .warning {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 14px;
      color: #ffe8ef;
      background: rgba(255, 77, 125, .13);
      border: 1px solid rgba(255, 77, 125, .26);
      font-size: 13px;
      font-weight: 800;
    }

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

      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }

      .proof-band {
        grid-template-columns: repeat(2, 1fr);
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }

      .hero {
        padding-top: 70px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .nav-wrap {
        min-height: 68px;
      }

      .menu-toggle {
        display: inline-block;
      }

      .nav-menu {
        position: fixed;
        left: 14px;
        right: 14px;
        top: 78px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 22px;
        background: rgba(20, 24, 36, .96);
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
      }

      .nav-menu.open {
        display: flex;
      }

      .nav-link {
        border-radius: 14px;
        padding: 12px 14px;
      }

      .age-pill {
        display: none;
      }

      .hero {
        padding: 54px 0 34px;
      }

      .hero-panel {
        padding: 14px;
      }

      .visual-card img,
      .image-frame img {
        height: 260px;
      }

      .grid-3,
      .grid-4 {
        grid-template-columns: 1fr;
      }

      .post-item {
        grid-template-columns: 1fr;
      }

      .post-arrow {
        display: none;
      }

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

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }

      .cta {
        padding: 30px 22px;
      }

      .section {
        padding: 56px 0;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 38px;
      }

      .brand-text {
        font-size: 17px;
      }

      .hero-actions,
      .hero-notes {
        flex-direction: column;
        align-items: stretch;
      }

      .btn,
      .note {
        width: 100%;
      }

      .proof-band {
        grid-template-columns: 1fr;
        padding: 18px;
      }

      .feature-card,
      .info-panel {
        padding: 22px;
      }
    }

/* roulang page: article */
:root{
      --bg:#0f0b17;
      --bg-soft:#171121;
      --bg-card:#21182d;
      --bg-card-2:#281d36;
      --text:#fff8ff;
      --text-strong:#ffffff;
      --muted:#c8b9d6;
      --muted-2:#9b88ad;
      --primary:#ff4d8d;
      --primary-2:#ff7a59;
      --secondary:#7c5cff;
      --accent:#30e0b0;
      --warning:#ffd166;
      --border:rgba(255,255,255,.12);
      --border-strong:rgba(255,255,255,.22);
      --shadow:0 22px 70px rgba(0,0,0,.36);
      --shadow-soft:0 14px 36px rgba(0,0,0,.25);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1160px;
      --header-h:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.72;
      color:var(--text);
      background:
        radial-gradient(circle at 14% 8%,rgba(255,77,141,.22),transparent 30%),
        radial-gradient(circle at 82% 12%,rgba(124,92,255,.2),transparent 32%),
        linear-gradient(180deg,#0f0b17 0%,#15101d 48%,#100c17 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(255,77,141,.38);color:#fff}
    .container{width:min(100% - 40px,var(--container));margin-inline:auto}
    .skip-link{
      position:absolute;
      left:18px;
      top:-60px;
      z-index:100;
      padding:10px 14px;
      border-radius:999px;
      background:#fff;
      color:#151022;
      transition:top .2s var(--ease);
    }
    .skip-link:focus{top:14px;outline:3px solid var(--primary)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      min-height:var(--header-h);
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(15,11,23,.78);
      backdrop-filter:blur(18px);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:.02em;
      color:var(--text-strong);
    }
    .brand-mark,.footer-brand .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      font-size:14px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 28px rgba(255,77,141,.28);
    }
    .brand-text{font-size:19px}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      padding:8px;
      border:1px solid rgba(255,255,255,.09);
      border-radius:999px;
      background:rgba(255,255,255,.045);
    }
    .nav-link{
      position:relative;
      padding:10px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
    }
    .nav-link:hover{color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px)}
    .nav-link.active{color:#fff;background:linear-gradient(135deg,rgba(255,77,141,.92),rgba(124,92,255,.9));box-shadow:0 12px 28px rgba(124,92,255,.22)}
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.08);
      border:1px solid var(--border);
      color:#fff;
      align-items:center;
      justify-content:center;
    }
    .nav-toggle span,.nav-toggle::before,.nav-toggle::after{
      content:"";
      width:20px;
      height:2px;
      border-radius:99px;
      background:#fff;
      display:block;
      transition:transform .2s var(--ease),opacity .2s var(--ease);
    }
    .nav-toggle{flex-direction:column;gap:5px}
    .nav-toggle.is-open span{opacity:0}
    .nav-toggle.is-open::before{transform:translateY(7px) rotate(45deg)}
    .nav-toggle.is-open::after{transform:translateY(-7px) rotate(-45deg)}
    .article-hero{
      position:relative;
      padding:74px 0 46px;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(15,11,23,.92),rgba(15,11,23,.62),rgba(15,11,23,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.78;
      z-index:-2;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-190px;
      top:-210px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,77,141,.32),transparent 65%);
      z-index:-1;
    }
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin-bottom:22px;
      color:var(--muted);
      font-size:14px;
    }
    .crumbs a{color:#fff;font-weight:800}
    .crumbs a:hover{color:var(--warning)}
    .crumbs span{opacity:.72}
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:34px;
      align-items:end;
    }
    .article-kicker{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#fff;
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
    }
    .article-kicker::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(48,224,176,.14);
    }
    h1{
      margin:0;
      max-width:860px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.08;
      letter-spacing:-.045em;
      color:#fff;
    }
    .hero-summary{
      max-width:820px;
      margin:20px 0 0;
      color:#eadff1;
      font-size:17px;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .meta-pill,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.075);
      color:#f6edff;
      font-size:13px;
      font-weight:700;
    }
    .hero-card{
      border:1px solid rgba(255,255,255,.16);
      border-radius:var(--radius-xl);
      padding:18px;
      background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.055));
      box-shadow:var(--shadow);
    }
    .hero-card img{
      width:100%;
      height:210px;
      object-fit:cover;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.14);
    }
    .hero-card .note{
      margin:15px 4px 0;
      color:var(--muted);
      font-size:14px;
    }
    main{padding:48px 0 0}
    .section{padding:40px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:22px;
      margin-bottom:22px;
    }
    .section-title{
      margin:0;
      color:#fff;
      font-size:clamp(25px,3vw,36px);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .section-desc{
      max-width:680px;
      margin:8px 0 0;
      color:var(--muted);
    }
    .content-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:28px;
      align-items:start;
    }
    .article-panel{
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.055);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .article-toolbar{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      padding:18px 22px;
      border-bottom:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
    }
    .article-toolbar strong{color:#fff}
    .article-toolbar span{color:var(--muted);font-size:14px}
    .article-content{
      padding:30px;
      color:#eee4f7;
      font-size:17px;
    }
    .article-content h2,.article-content h3,.article-content h4{
      color:#fff;
      line-height:1.28;
      margin:32px 0 14px;
      letter-spacing:-.015em;
    }
    .article-content h2{font-size:30px}
    .article-content h3{font-size:24px}
    .article-content p{margin:0 0 18px}
    .article-content a{
      color:#fff;
      font-weight:800;
      border-bottom:1px solid rgba(255,77,141,.75);
    }
    .article-content a:hover{color:var(--warning)}
    .article-content ul,.article-content ol{padding-left:1.3em;margin:0 0 20px}
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:26px 0;
      padding:18px 20px;
      border-left:4px solid var(--primary);
      border-radius:0 18px 18px 0;
      background:rgba(255,77,141,.08);
      color:#fff;
    }
    .article-content img{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.12);
      margin:24px 0;
    }
    .empty-state{
      text-align:center;
      padding:58px 20px;
    }
    .empty-state h2{
      margin:0 0 10px;
      font-size:30px;
      color:#fff;
    }
    .empty-state p{margin:0 0 24px;color:var(--muted)}
    .side-stack{
      position:sticky;
      top:calc(var(--header-h) + 22px);
      display:grid;
      gap:18px;
    }
    .side-card,.info-card,.category-card,.faq-item{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.04));
      box-shadow:var(--shadow-soft);
    }
    .side-card{padding:22px}
    .side-title{
      margin:0 0 12px;
      color:#fff;
      font-size:18px;
    }
    .side-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:14px;
    }
    .side-list li::before{
      content:"";
      flex:0 0 8px;
      width:8px;
      height:8px;
      margin-top:9px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--accent));
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:900;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 16px 34px rgba(255,77,141,.24);
      transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(124,92,255,.3);filter:saturate(1.08)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible,a:focus-visible{
      outline:3px solid rgba(255,209,102,.75);
      outline-offset:3px;
    }
    .btn-ghost{
      background:rgba(255,255,255,.07);
      border:1px solid var(--border-strong);
      box-shadow:none;
    }
    .btn-ghost:hover{background:rgba(255,255,255,.11)}
    .info-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .info-card{padding:24px;transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)}
    .info-card:hover{transform:translateY(-4px);border-color:rgba(255,77,141,.35);background:rgba(255,255,255,.08)}
    .info-icon{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      margin-bottom:16px;
      background:linear-gradient(135deg,rgba(255,77,141,.95),rgba(124,92,255,.85));
      box-shadow:0 14px 28px rgba(124,92,255,.2);
    }
    .info-card h3{margin:0 0 8px;color:#fff;font-size:20px}
    .info-card p{margin:0;color:var(--muted);font-size:15px}
    .category-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .category-card{
      overflow:hidden;
      transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
    }
    .category-card:hover{transform:translateY(-5px);box-shadow:0 22px 56px rgba(0,0,0,.34);border-color:rgba(255,255,255,.24)}
    .category-card img{
      width:100%;
      height:150px;
      object-fit:cover;
      filter:saturate(1.08) contrast(1.03);
    }
    .category-body{padding:20px}
    .category-body h3{margin:0 0 8px;color:#fff;font-size:20px}
    .category-body p{margin:0 0 16px;color:var(--muted);font-size:14px}
    .link-more{
      color:#fff;
      font-weight:900;
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .link-more::after{content:"→";transition:transform .2s var(--ease)}
    .link-more:hover::after{transform:translateX(4px)}
    .safe-panel{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.14);
      border-radius:var(--radius-xl);
      padding:30px;
      background:
        linear-gradient(135deg,rgba(255,77,141,.14),rgba(124,92,255,.12)),
        rgba(255,255,255,.045);
      box-shadow:var(--shadow-soft);
    }
    .safe-panel::after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-80px;
      width:220px;
      height:220px;
      border-radius:50%;
      background:rgba(48,224,176,.16);
    }
    .check-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:20px;
      position:relative;
      z-index:1;
    }
    .check-item{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.1);
      color:#efe5f7;
    }
    .check-item::before{
      content:"✓";
      flex:0 0 24px;
      width:24px;
      height:24px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(48,224,176,.18);
      color:var(--accent);
      font-weight:900;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{padding:0;overflow:hidden}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:#fff;
      background:transparent;
      text-align:left;
      font-weight:900;
    }
    .faq-question::after{
      content:"+";
      width:30px;
      height:30px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.08);
      color:var(--warning);
      transition:transform .2s var(--ease);
    }
    .faq-item.is-open .faq-question::after{transform:rotate(45deg)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s var(--ease);
    }
    .faq-answer p{
      margin:0;
      padding:0 22px 20px;
      color:var(--muted);
    }
    .cta-band{
      margin:38px 0 74px;
      position:relative;
      overflow:hidden;
      border-radius:32px;
      padding:34px;
      border:1px solid rgba(255,255,255,.15);
      background:
        linear-gradient(90deg,rgba(15,11,23,.9),rgba(15,11,23,.58)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 18% 20%,rgba(255,77,141,.32),transparent 36%);
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-inner h2{margin:0 0 8px;color:#fff;font-size:30px;line-height:1.2}
    .cta-inner p{margin:0;color:#eadff1;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;min-width:max-content}
    .site-footer{
      border-top:1px solid rgba(255,255,255,.09);
      background:rgba(9,6,14,.74);
      padding:44px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .9fr .9fr;
      gap:32px;
      align-items:start;
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:18px;
      font-weight:900;
      margin-bottom:12px;
    }
    .footer-copy{
      margin:0;
      max-width:520px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:9px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a,.footer-links span{width:max-content;max-width:100%}
    .footer-links a:hover{color:#fff}
    .warning{color:var(--warning);font-weight:900}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--muted-2);
      font-size:13px;
    }
    @media (max-width:1024px){
      .hero-layout,.content-shell{grid-template-columns:1fr}
      .hero-card{max-width:460px}
      .side-stack{position:static;grid-template-columns:repeat(2,1fr)}
      .info-grid,.category-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--header-h:68px}
      .container{width:min(100% - 28px,var(--container))}
      .nav-toggle{display:flex}
      .nav-menu{
        position:absolute;
        left:14px;
        right:14px;
        top:calc(100% + 10px);
        display:grid;
        justify-content:stretch;
        gap:8px;
        padding:12px;
        border-radius:22px;
        background:rgba(20,15,30,.96);
        box-shadow:var(--shadow);
        opacity:0;
        pointer-events:none;
        transform:translateY(-8px);
        transition:opacity .2s var(--ease),transform .2s var(--ease);
      }
      .nav-menu.is-open{opacity:1;pointer-events:auto;transform:translateY(0)}
      .nav-link{padding:12px 14px}
      .article-hero{padding:48px 0 34px}
      .article-content{padding:22px;font-size:16px}
      .article-toolbar{display:block}
      .article-toolbar span{display:block;margin-top:4px}
      .side-stack,.info-grid,.category-grid,.check-grid{grid-template-columns:1fr}
      .section{padding:30px 0}
      .section-head{display:block}
      .cta-inner{display:block}
      .cta-actions{margin-top:20px;min-width:0}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .brand-text{font-size:17px}
      .brand-mark,.footer-brand .brand-mark{width:38px;height:38px;border-radius:13px}
      h1{font-size:32px}
      .hero-summary{font-size:15px}
      .meta-pill,.badge{width:100%;justify-content:center}
      .hero-card img{height:185px}
      .article-content h2{font-size:24px}
      .article-content h3{font-size:20px}
      .safe-panel,.cta-band{padding:22px;border-radius:24px}
      .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --bg:#0b1020;
      --bg-soft:#11182c;
      --surface:#ffffff;
      --surface-2:#f7f8fc;
      --surface-dark:#151d33;
      --text:#172033;
      --text-soft:#667085;
      --muted:#98a2b3;
      --white:#ffffff;
      --primary:#e64a7a;
      --primary-2:#ff7a59;
      --primary-dark:#b92d5d;
      --accent:#7c5cff;
      --success:#22c55e;
      --warning:#ffb020;
      --border:#e6e9f2;
      --border-dark:rgba(255,255,255,.13);
      --shadow:0 22px 60px rgba(17,24,39,.12);
      --shadow-sm:0 10px 30px rgba(17,24,39,.08);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1180px;
      --header-h:76px;
      --ease:all .25s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.7;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 2%, rgba(230,74,122,.13), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(124,92,255,.12), transparent 34%),
        var(--surface-2);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(230,74,122,.18);color:var(--primary-dark)}

    .container{width:min(100% - 40px,var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      backdrop-filter:blur(18px);
      background:rgba(255,255,255,.86);
      border-bottom:1px solid rgba(230,233,242,.82);
    }
    .header-inner{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--text);
      white-space:nowrap;
    }
    .brand-mark,.footer-brand .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:var(--white);
      font-weight:900;
      font-size:15px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 12px 26px rgba(230,74,122,.28);
    }
    .brand-text{font-size:20px}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:6px;
      padding:6px;
      border:1px solid rgba(230,233,242,.7);
      background:rgba(247,248,252,.75);
      border-radius:999px;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      color:#475467;
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
      outline:none;
    }
    .nav-link:hover{color:var(--primary);background:rgba(230,74,122,.08)}
    .nav-link.active{
      color:var(--white);
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 10px 24px rgba(230,74,122,.24);
    }
    .nav-link:focus-visible,.btn:focus-visible,.menu-toggle:focus-visible,.faq-question:focus-visible{
      outline:3px solid rgba(230,74,122,.25);
      outline-offset:3px;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      color:var(--text);
      background:var(--surface-2);
      border:1px solid var(--border);
      align-items:center;
      justify-content:center;
    }
    .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
      display:block;
      width:20px;
      height:2px;
      border-radius:999px;
      background:var(--text);
      transition:var(--ease);
      content:"";
    }
    .menu-toggle span::before{transform:translateY(-7px)}
    .menu-toggle span::after{transform:translateY(5px)}

    main{overflow:hidden}
    .category-hero{
      position:relative;
      padding:86px 0 72px;
      color:var(--white);
      background:
        linear-gradient(110deg, rgba(11,16,32,.92), rgba(17,24,46,.78) 48%, rgba(230,74,122,.42)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    }
    .category-hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:120px;
      background:linear-gradient(180deg,transparent,var(--surface-2));
      pointer-events:none;
    }
    .hero-layout{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:54px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      color:rgba(255,255,255,.88);
      font-size:13px;
      font-weight:800;
      backdrop-filter:blur(12px);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 6px rgba(34,197,94,.13);
    }
    h1{
      margin-top:22px;
      font-size:clamp(36px,6vw,66px);
      line-height:1.08;
      letter-spacing:-.055em;
      max-width:820px;
    }
    .hero-subtitle{
      margin-top:22px;
      max-width:720px;
      color:rgba(255,255,255,.78);
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:32px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 20px;
      border-radius:999px;
      font-size:15px;
      font-weight:900;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:var(--white);
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 32px rgba(230,74,122,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 42px rgba(230,74,122,.34)}
    .btn-light{
      color:var(--white);
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.22);
      backdrop-filter:blur(10px);
    }
    .btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
    .hero-panel{
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.1);
      box-shadow:0 34px 80px rgba(0,0,0,.25);
      border-radius:var(--radius-lg);
      padding:16px;
      backdrop-filter:blur(18px);
    }
    .hero-panel img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      border-radius:22px;
    }
    .panel-note{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
    }
    .note-item{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.13);
    }
    .note-num{
      display:block;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .note-label{
      display:block;
      margin-top:2px;
      font-size:12px;
      color:rgba(255,255,255,.72);
    }

    .section{padding:82px 0}
    .section-tight{padding:54px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      margin-bottom:12px;
      color:var(--primary);
      font-size:13px;
      font-weight:950;
      letter-spacing:.08em;
    }
    .section-title{
      font-size:clamp(28px,4vw,44px);
      line-height:1.18;
      letter-spacing:-.04em;
      color:var(--text);
    }
    .section-desc{
      max-width:520px;
      color:var(--text-soft);
      font-size:16px;
    }
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:var(--surface);
      border:1px solid var(--border);
      color:#475467;
      font-size:13px;
      font-weight:800;
      box-shadow:0 8px 18px rgba(17,24,39,.04);
    }
    .pill strong{color:var(--primary)}

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .feature-card{
      position:relative;
      min-height:230px;
      padding:24px;
      border-radius:var(--radius-md);
      background:var(--surface);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      overflow:hidden;
    }
    .feature-card::before{
      content:"";
      position:absolute;
      right:-40px;
      top:-40px;
      width:120px;
      height:120px;
      border-radius:50%;
      background:rgba(230,74,122,.08);
    }
    .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .feature-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--white);
      font-size:20px;
      font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 14px 26px rgba(124,92,255,.18);
    }
    .feature-card h3{margin-top:18px;font-size:20px;letter-spacing:-.02em}
    .feature-card p{margin-top:10px;color:var(--text-soft);font-size:15px}

    .split{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:42px;
      align-items:center;
    }
    .visual-card{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
      background:var(--surface);
      border:1px solid var(--border);
    }
    .visual-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
    .visual-badge{
      position:absolute;
      left:18px;
      bottom:18px;
      right:18px;
      padding:16px;
      border-radius:20px;
      background:rgba(11,16,32,.78);
      color:var(--white);
      backdrop-filter:blur(14px);
      border:1px solid rgba(255,255,255,.14);
    }
    .visual-badge strong{display:block;font-size:18px}
    .visual-badge span{display:block;margin-top:4px;color:rgba(255,255,255,.72);font-size:13px}
    .check-list{display:grid;gap:14px;margin-top:24px}
    .check-item{
      display:flex;
      gap:14px;
      padding:16px;
      border-radius:18px;
      background:var(--surface);
      border:1px solid var(--border);
      box-shadow:0 10px 22px rgba(17,24,39,.04);
    }
    .check{
      flex:0 0 auto;
      width:26px;
      height:26px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(34,197,94,.12);
      color:#16a34a;
      font-weight:950;
    }
    .check-item strong{display:block;font-size:16px}
    .check-item span{display:block;margin-top:3px;color:var(--text-soft);font-size:14px}

    .dark-section{
      position:relative;
      color:var(--white);
      background:
        linear-gradient(135deg,rgba(11,16,32,.96),rgba(21,29,51,.96)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
    }
    .dark-section .section-title{color:var(--white)}
    .dark-section .section-desc{color:rgba(255,255,255,.72)}
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      counter-reset:step;
    }
    .process-card{
      counter-increment:step;
      padding:24px;
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.08);
      border:1px solid var(--border-dark);
      backdrop-filter:blur(12px);
      transition:var(--ease);
    }
    .process-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.12)}
    .process-card::before{
      content:"0" counter(step);
      display:inline-flex;
      width:46px;
      height:46px;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      font-weight:950;
      box-shadow:0 16px 30px rgba(230,74,122,.25);
    }
    .process-card h3{margin-top:18px;font-size:19px}
    .process-card p{margin-top:10px;color:rgba(255,255,255,.7);font-size:14px}

    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .scenario-card{
      border-radius:var(--radius-md);
      overflow:hidden;
      background:var(--surface);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .scenario-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .scenario-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
    .scenario-body{padding:22px}
    .tag{
      display:inline-flex;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(230,74,122,.1);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:900;
    }
    .scenario-body h3{margin-top:14px;font-size:20px}
    .scenario-body p{margin-top:8px;color:var(--text-soft);font-size:15px}

    .safe-panel{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      padding:28px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,#fff, #fff7fa);
      border:1px solid rgba(230,74,122,.16);
      box-shadow:var(--shadow-sm);
    }
    .safe-column{
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(230,233,242,.9);
    }
    .safe-column h3{font-size:22px}
    .safe-list{margin-top:16px;display:grid;gap:12px;list-style:none}
    .safe-list li{
      position:relative;
      padding-left:28px;
      color:var(--text-soft);
      font-size:15px;
    }
    .safe-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.55em;
      width:12px;
      height:12px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 0 5px rgba(230,74,122,.1);
    }

    .compare-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .compare-card{
      padding:26px;
      border-radius:var(--radius-md);
      background:var(--surface);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .compare-card.featured{
      color:var(--white);
      background:linear-gradient(135deg,var(--surface-dark),#2a1740);
      border-color:rgba(255,255,255,.12);
    }
    .compare-card h3{font-size:22px}
    .compare-card p{margin-top:10px;color:var(--text-soft)}
    .compare-card.featured p{color:rgba(255,255,255,.72)}
    .mini-list{margin-top:18px;display:grid;gap:10px;list-style:none}
    .mini-list li{
      display:flex;
      align-items:center;
      gap:9px;
      color:#475467;
      font-size:14px;
      font-weight:700;
    }
    .compare-card.featured .mini-list li{color:rgba(255,255,255,.84)}
    .mini-list li::before{
      content:"✓";
      width:20px;
      height:20px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(34,197,94,.12);
      color:#16a34a;
      font-size:12px;
      font-weight:950;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:40px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border-radius:20px;
      background:var(--surface);
      border:1px solid var(--border);
      box-shadow:0 10px 24px rgba(17,24,39,.04);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:66px;
      padding:18px 20px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:900;
    }
    .faq-question::after{
      content:"+";
      flex:0 0 auto;
      width:30px;
      height:30px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:var(--primary);
      background:rgba(230,74,122,.09);
      transition:var(--ease);
    }
    .faq-item.open .faq-question::after{content:"−";transform:rotate(180deg)}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--text-soft);
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}

    .cta{
      padding:44px;
      border-radius:32px;
      color:var(--white);
      background:
        linear-gradient(135deg,rgba(230,74,122,.92),rgba(124,92,255,.9)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      box-shadow:0 26px 70px rgba(124,92,255,.22);
      overflow:hidden;
    }
    .cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta h2{font-size:clamp(28px,4vw,42px);line-height:1.18;letter-spacing:-.04em}
    .cta p{margin-top:10px;color:rgba(255,255,255,.78);max-width:650px}
    .cta .btn{background:var(--white);color:var(--primary-dark);box-shadow:0 16px 34px rgba(0,0,0,.12)}
    .cta .btn:hover{transform:translateY(-2px);box-shadow:0 22px 46px rgba(0,0,0,.18)}

    .site-footer{
      padding:56px 0 26px;
      color:rgba(255,255,255,.78);
      background:#080c18;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--white);
      font-size:20px;
      font-weight:950;
    }
    .footer-copy{
      margin-top:16px;
      max-width:520px;
      color:rgba(255,255,255,.62);
      font-size:14px;
    }
    .footer-title{
      color:var(--white);
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      font-size:14px;
    }
    .footer-links a,.footer-links span{
      color:rgba(255,255,255,.62);
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--white);transform:translateX(3px)}
    .footer-links .warning{color:#ffd1dc}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,255,255,.46);
      font-size:13px;
    }

    @media (max-width:1024px){
      .hero-layout,.split,.faq-wrap{grid-template-columns:1fr}
      .feature-grid,.process-grid{grid-template-columns:repeat(2,1fr)}
      .compare-grid,.scenario-grid{grid-template-columns:1fr 1fr}
      .hero-panel{max-width:720px}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .site-header{height:68px}
      .header-inner{height:68px}
      .brand-text{font-size:18px}
      .brand-mark,.footer-brand .brand-mark{width:38px;height:38px;border-radius:13px}
      .menu-toggle{display:flex}
      .nav-menu{
        position:absolute;
        left:14px;
        right:14px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:10px;
        background:rgba(255,255,255,.96);
        box-shadow:var(--shadow);
      }
      .nav-menu.show{display:flex}
      .nav-link{justify-content:flex-start;padding:0 16px}
      .category-hero{padding:62px 0 54px}
      .hero-actions{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .panel-note{grid-template-columns:1fr}
      .feature-grid,.process-grid,.compare-grid,.scenario-grid,.safe-panel,.footer-grid{grid-template-columns:1fr}
      .cta{padding:30px}
      .cta-inner{flex-direction:column;align-items:flex-start}
      .section{padding:62px 0}
      .section-tight{padding:42px 0}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      .hero-subtitle{font-size:16px}
      .section-title{font-size:28px}
      .feature-card,.process-card,.compare-card,.safe-column{padding:20px}
      .safe-panel{padding:14px}
      .footer-bottom{display:grid}
    }

/* roulang page: category2 */
:root {
      --bg: #0b0f1a;
      --bg-soft: #111827;
      --surface: rgba(255, 255, 255, 0.08);
      --surface-strong: rgba(255, 255, 255, 0.12);
      --card: #ffffff;
      --card-muted: #f7f8fb;
      --text: #111827;
      --text-inverse: #f8fafc;
      --muted: #64748b;
      --muted-inverse: #cbd5e1;
      --primary: #e11d48;
      --primary-dark: #be123c;
      --primary-soft: #ffe4ea;
      --secondary: #7c3aed;
      --accent: #06b6d4;
      --warning: #f59e0b;
      --success: #10b981;
      --border: rgba(15, 23, 42, 0.12);
      --border-light: rgba(255, 255, 255, 0.16);
      --shadow: 0 20px 60px rgba(15, 23, 42, 0.14);
      --shadow-soft: 0 12px 34px rgba(15, 23, 42, 0.10);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1180px;
      --transition: 180ms ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background:
        radial-gradient(circle at 6% 4%, rgba(225, 29, 72, 0.16), transparent 28%),
        radial-gradient(circle at 92% 2%, rgba(124, 58, 237, 0.14), transparent 30%),
        #f8fafc;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(6, 182, 212, 0.42);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(11, 15, 26, 0.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border-light);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--text-inverse);
      font-weight: 900;
      letter-spacing: -0.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      font-size: 14px;
      font-weight: 900;
      box-shadow: 0 14px 34px rgba(225, 29, 72, 0.32);
    }

    .brand-text {
      font-size: 20px;
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      color: var(--muted-inverse);
      padding: 10px 14px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
      border: 1px solid transparent;
    }

    .nav-link:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.09);
      border-color: rgba(255, 255, 255, 0.12);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(225, 29, 72, 0.95), rgba(124, 58, 237, 0.92));
      box-shadow: 0 12px 24px rgba(225, 29, 72, 0.22);
    }

    .age-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      color: #fff;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.14);
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .age-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.18);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.10);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.14);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: #fff;
      border-radius: 999px;
      transition: transform var(--transition), opacity var(--transition);
    }

    .page-hero {
      position: relative;
      color: var(--text-inverse);
      overflow: hidden;
      background:
        linear-gradient(105deg, rgba(11, 15, 26, 0.92), rgba(11, 15, 26, 0.72) 52%, rgba(225, 29, 72, 0.34)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 90px;
      background: linear-gradient(to bottom, transparent, #f8fafc);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      min-height: 520px;
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      align-items: center;
      gap: 56px;
      padding: 86px 0 116px;
    }

    .crumb {
      display: inline-flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      color: var(--muted-inverse);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .crumb a:hover {
      color: #fff;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 8px 13px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.16);
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(6, 182, 212, 0.16);
    }

    h1 {
      max-width: 780px;
      font-size: clamp(38px, 6vw, 68px);
      line-height: 1.08;
      letter-spacing: -0.055em;
      margin-bottom: 22px;
    }

    .hero-lead {
      max-width: 700px;
      color: #dbeafe;
      font-size: 19px;
      line-height: 1.9;
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 900;
      letter-spacing: -0.01em;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
    }

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

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 18px 38px rgba(225, 29, 72, 0.32);
    }

    .btn-primary:hover {
      box-shadow: 0 24px 48px rgba(225, 29, 72, 0.42);
    }

    .btn-ghost {
      color: #fff;
      background: rgba(255, 255, 255, 0.10);
      border-color: rgba(255, 255, 255, 0.18);
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.16);
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      color: #fff;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.14);
    }

    .hero-panel {
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.18);
      box-shadow: 0 30px 80px rgba(0, 0, 0, 0.30);
      overflow: hidden;
      backdrop-filter: blur(14px);
    }

    .hero-panel img {
      width: 100%;
      height: 260px;
      object-fit: cover;
    }

    .panel-body {
      padding: 24px;
    }

    .panel-title {
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .check-list {
      display: grid;
      gap: 12px;
      list-style: none;
    }

    .check-list li {
      position: relative;
      padding-left: 30px;
      color: #e2e8f0;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 2px;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #052e16;
      background: #86efac;
      font-size: 12px;
      font-weight: 900;
    }

    main {
      background: #f8fafc;
    }

    .section {
      padding: 86px 0;
    }

    .section.compact {
      padding: 64px 0;
    }

    .section-head {
      max-width: 780px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      margin-bottom: 12px;
      padding: 6px 11px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-size: 13px;
      font-weight: 900;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -0.04em;
      margin-bottom: 14px;
      color: #0f172a;
    }

    .section-desc {
      color: var(--muted);
      font-size: 17px;
      max-width: 760px;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
      align-items: center;
    }

    .card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
      border-color: rgba(225, 29, 72, 0.22);
    }

    .feature-card {
      padding: 28px;
    }

    .icon {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 14px 30px rgba(225, 29, 72, 0.24);
    }

    .feature-card h3,
    .media-card h3,
    .step-card h3,
    .safe-box h3 {
      font-size: 21px;
      line-height: 1.35;
      margin-bottom: 10px;
      color: #0f172a;
    }

    .feature-card p,
    .media-card p,
    .step-card p,
    .safe-box p {
      color: var(--muted);
    }

    .media-card img {
      width: 100%;
      height: 210px;
      object-fit: cover;
    }

    .media-body {
      padding: 24px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 14px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      color: var(--primary-dark);
      background: var(--primary-soft);
    }

    .dark-band {
      position: relative;
      overflow: hidden;
      color: var(--text-inverse);
      background:
        linear-gradient(135deg, rgba(11, 15, 26, 0.96), rgba(17, 24, 39, 0.92)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }

    .dark-band .section-title,
    .dark-band .safe-box h3 {
      color: #fff;
    }

    .dark-band .section-desc,
    .dark-band .safe-box p {
      color: var(--muted-inverse);
    }

    .safe-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 28px;
      align-items: stretch;
    }

    .safe-box {
      padding: 30px;
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, 0.09);
      border: 1px solid rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(12px);
    }

    .risk-list {
      display: grid;
      gap: 14px;
      list-style: none;
      margin-top: 20px;
    }

    .risk-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 16px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: #e2e8f0;
    }

    .risk-list b {
      color: #fff;
    }

    .risk-symbol {
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(245, 158, 11, 0.18);
      color: #fbbf24;
      font-weight: 900;
    }

    .timeline {
      counter-reset: step;
      display: grid;
      gap: 18px;
    }

    .step-card {
      position: relative;
      padding: 24px 24px 24px 82px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
    }

    .step-card::before {
      counter-increment: step;
      content: counter(step);
      position: absolute;
      left: 24px;
      top: 24px;
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
    }

    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
    }

    .compare-card {
      padding: 28px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .compare-card.good {
      border-color: rgba(16, 185, 129, 0.28);
    }

    .compare-card.bad {
      border-color: rgba(225, 29, 72, 0.24);
    }

    .compare-title {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .compare-title .mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
    }

    .good .mark {
      background: var(--success);
    }

    .bad .mark {
      background: var(--primary);
    }

    .plain-list {
      display: grid;
      gap: 12px;
      list-style: none;
    }

    .plain-list li {
      position: relative;
      padding-left: 24px;
      color: var(--muted);
    }

    .plain-list li::before {
      content: "";
      position: absolute;
      left: 4px;
      top: 12px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

    .good .plain-list li::before {
      background: var(--success);
    }

    .faq-wrap {
      display: grid;
      gap: 16px;
    }

    .faq-item {
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 22px 24px;
      text-align: left;
      background: #fff;
      color: #0f172a;
      font-weight: 900;
      font-size: 18px;
    }

    .faq-question:hover {
      color: var(--primary-dark);
      background: #fff7f9;
    }

    .faq-question .plus {
      flex: 0 0 30px;
      width: 30px;
      height: 30px;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      background: var(--primary-soft);
      font-size: 20px;
      line-height: 1;
      transition: transform var(--transition);
    }

    .faq-item.open .plus {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 24px;
      color: var(--muted);
    }

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

    .cta {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      padding: 48px;
      color: #fff;
      background:
        radial-gradient(circle at 12% 20%, rgba(255, 255, 255, 0.16), transparent 25%),
        linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 28px 70px rgba(124, 58, 237, 0.26);
    }

    .cta::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -90px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.12);
    }

    .cta-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }

    .cta h2 {
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.2;
      letter-spacing: -0.04em;
      margin-bottom: 12px;
    }

    .cta p {
      color: #ffe4ea;
      max-width: 760px;
      font-size: 17px;
    }

    .cta .btn {
      background: #fff;
      color: var(--primary-dark);
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
      white-space: nowrap;
    }

    .cta .btn:hover {
      background: #fff7f9;
    }

    .site-footer {
      color: var(--muted-inverse);
      background: #080b13;
      padding: 64px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.10);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr 0.8fr 0.85fr;
      gap: 44px;
      padding-bottom: 38px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .footer-copy {
      max-width: 520px;
      color: #aeb9ca;
      line-height: 1.9;
    }

    .footer-title {
      color: #fff;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a,
    .footer-links span {
      color: #aeb9ca;
      font-size: 15px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .warning {
      color: #fecaca !important;
      font-weight: 900;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.10);
      color: #94a3b8;
      font-size: 14px;
    }

    @media (max-width: 1024px) {
      .hero-inner,
      .grid-2,
      .safe-grid {
        grid-template-columns: 1fr;
      }

      .hero-inner {
        gap: 34px;
        padding-top: 64px;
      }

      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }

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

      .cta-content {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 820px) {
      .header-inner {
        min-height: 68px;
      }

      .menu-toggle {
        display: inline-block;
      }

      .nav-menu {
        position: absolute;
        left: 20px;
        right: 20px;
        top: 76px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 20px;
        background: rgba(11, 15, 26, 0.96);
        border: 1px solid rgba(255, 255, 255, 0.14);
        box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
      }

      .nav-menu.show {
        display: flex;
      }

      .nav-link {
        border-radius: 14px;
        padding: 12px 14px;
      }

      .age-pill {
        display: none;
      }

      .page-hero::after {
        height: 60px;
      }

      .section {
        padding: 64px 0;
      }

      .compare-wrap,
      .grid-3 {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .brand-text {
        font-size: 17px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 12px;
      }

      .hero-inner {
        min-height: auto;
        padding: 46px 0 84px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions,
      .hero-note {
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .feature-card,
      .media-body,
      .safe-box,
      .compare-card {
        padding: 22px;
      }

      .step-card {
        padding: 74px 20px 22px;
      }

      .step-card::before {
        left: 20px;
        top: 20px;
      }

      .faq-question {
        padding: 18px;
        font-size: 16px;
      }

      .faq-answer {
        padding: 0 18px 18px;
      }

      .cta {
        padding: 30px 22px;
      }
    }

/* roulang page: category3 */
:root {
      --bg: #0d1020;
      --bg-soft: #14182b;
      --panel: rgba(255, 255, 255, 0.08);
      --panel-solid: #191e33;
      --card: #ffffff;
      --text: #f7f8ff;
      --text-dark: #1b2137;
      --muted: #aeb6cf;
      --muted-dark: #61708d;
      --primary: #ff4f87;
      --primary-dark: #dd2c68;
      --secondary: #7c5cff;
      --accent: #20d6b5;
      --warning: #ffd166;
      --line: rgba(255, 255, 255, 0.14);
      --line-dark: rgba(27, 33, 55, 0.12);
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
      --shadow-soft: 0 16px 40px rgba(16, 24, 48, 0.12);
      --radius-xl: 30px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1180px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(124, 92, 255, 0.28), transparent 34%),
        radial-gradient(circle at 90% 8%, rgba(255, 79, 135, 0.22), transparent 30%),
        linear-gradient(180deg, #0d1020 0%, #12172a 42%, #f4f6fb 42%, #f4f6fb 100%);
      line-height: 1.75;
      min-height: 100vh;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    :focus-visible {
      outline: 3px solid rgba(32, 214, 181, 0.55);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(13, 16, 32, 0.82);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -0.02em;
      font-size: 20px;
      white-space: nowrap;
    }

    .brand-mark,
    .footer-brand .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 26px rgba(255, 79, 135, 0.28);
      color: #fff;
      font-weight: 900;
      font-size: 14px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.06);
    }

    .nav-link {
      color: rgba(247, 248, 255, 0.78);
      font-size: 14px;
      font-weight: 700;
      padding: 10px 15px;
      border-radius: 999px;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.10);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(255, 79, 135, 0.95), rgba(124, 92, 255, 0.95));
      box-shadow: 0 10px 24px rgba(124, 92, 255, 0.24);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.10);
      color: #fff;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: #fff;
      transition: transform .25s ease, opacity .25s ease;
    }

    .page-hero {
      position: relative;
      padding: 74px 0 54px;
      overflow: hidden;
    }

    .hero-shell {
      position: relative;
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 42px;
      align-items: center;
      padding: 44px;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(90deg, rgba(13, 16, 32, 0.90), rgba(13, 16, 32, 0.62)),
        url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
      box-shadow: var(--shadow);
      isolation: isolate;
    }

    .hero-shell::after {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 24px;
      border: 1px solid rgba(255, 255, 255, 0.10);
      pointer-events: none;
      z-index: -1;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 8px 13px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(32, 214, 181, 0.14);
    }

    h1 {
      max-width: 760px;
      font-size: clamp(34px, 5vw, 64px);
      line-height: 1.05;
      letter-spacing: -0.05em;
      font-weight: 950;
      color: #fff;
    }

    .hero-text {
      margin-top: 22px;
      max-width: 760px;
      color: rgba(247, 248, 255, 0.82);
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 850;
      letter-spacing: -0.01em;
      border: 1px solid transparent;
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 16px 30px rgba(255, 79, 135, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(124, 92, 255, 0.30);
    }

    .btn-ghost {
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.18);
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.14);
      transform: translateY(-2px);
    }

    .hero-panel {
      padding: 24px;
      border-radius: 26px;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.18);
      backdrop-filter: blur(16px);
    }

    .review-card {
      background: rgba(255, 255, 255, 0.94);
      color: var(--text-dark);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: 0 24px 50px rgba(0, 0, 0, 0.24);
    }

    .review-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }

    .review-body {
      padding: 22px;
    }

    .score-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      margin-bottom: 16px;
    }

    .score {
      display: inline-flex;
      align-items: baseline;
      gap: 4px;
      color: var(--primary-dark);
      font-weight: 950;
      font-size: 34px;
      line-height: 1;
    }

    .score small {
      font-size: 14px;
      color: var(--muted-dark);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 7px 11px;
      border-radius: 999px;
      color: #fff;
      background: linear-gradient(135deg, var(--accent), #32a5ff);
      font-size: 12px;
      font-weight: 850;
      white-space: nowrap;
    }

    .mini-list {
      display: grid;
      gap: 10px;
      margin-top: 15px;
      color: #3a4661;
      font-size: 14px;
    }

    .mini-list li {
      list-style: none;
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .mini-list li::before {
      content: "✓";
      flex: 0 0 auto;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(32, 214, 181, 0.14);
      color: #079a80;
      font-size: 12px;
      font-weight: 900;
      margin-top: 2px;
    }

    main {
      color: var(--text-dark);
    }

    .section {
      padding: 74px 0;
    }

    .section.compact {
      padding-top: 42px;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--primary-dark);
      font-weight: 900;
      font-size: 13px;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 9px;
    }

    .section-title {
      font-size: clamp(28px, 3.2vw, 44px);
      line-height: 1.16;
      letter-spacing: -0.04em;
      font-weight: 950;
      color: var(--text-dark);
    }

    .section-desc {
      max-width: 560px;
      color: var(--muted-dark);
      font-size: 16px;
    }

    .grid {
      display: grid;
      gap: 22px;
    }

    .grid-3 {
      grid-template-columns: repeat(3, 1fr);
    }

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

    .card {
      position: relative;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.86);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 24px 60px rgba(16, 24, 48, 0.16);
      border-color: rgba(255, 79, 135, 0.26);
    }

    .card-pad {
      padding: 26px;
    }

    .icon {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: #fff;
      font-weight: 950;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 14px 28px rgba(124, 92, 255, 0.22);
    }

    .card h3 {
      font-size: 20px;
      line-height: 1.35;
      margin-bottom: 10px;
      letter-spacing: -0.02em;
    }

    .card p {
      color: var(--muted-dark);
      font-size: 15px;
    }

    .image-card img {
      height: 240px;
      width: 100%;
      object-fit: cover;
    }

    .image-card .card-pad {
      padding-top: 22px;
    }

    .compare-wrap {
      padding: 8px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255, 79, 135, 0.12), rgba(124, 92, 255, 0.10)),
        #fff;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1.05fr repeat(3, 1fr);
      gap: 1px;
      overflow: hidden;
      border-radius: 22px;
      background: rgba(27, 33, 55, 0.10);
    }

    .compare-cell {
      padding: 18px;
      background: #fff;
      min-height: 72px;
      display: flex;
      align-items: center;
      color: #3d4964;
      font-size: 14px;
    }

    .compare-head {
      background: #171d31;
      color: #fff;
      font-weight: 900;
    }

    .compare-label {
      font-weight: 900;
      color: var(--text-dark);
      background: #f8f0f5;
    }

    .mark-good {
      color: #079a80;
      font-weight: 900;
    }

    .mark-mid {
      color: #b7791f;
      font-weight: 900;
    }

    .process {
      counter-reset: step;
    }

    .step {
      display: grid;
      grid-template-columns: 58px 1fr;
      gap: 18px;
      align-items: start;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
    }

    .step + .step {
      margin-top: 16px;
    }

    .step-num {
      width: 58px;
      height: 58px;
      border-radius: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      font-weight: 950;
      font-size: 18px;
      box-shadow: 0 14px 28px rgba(124, 92, 255, 0.22);
    }

    .step h3 {
      font-size: 19px;
      margin-bottom: 7px;
      letter-spacing: -0.02em;
    }

    .step p {
      color: var(--muted-dark);
      font-size: 15px;
    }

    .safe-band {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(20, 24, 43, 0.94), rgba(36, 25, 58, 0.92)),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
      color: #fff;
      padding: 42px;
      box-shadow: var(--shadow);
    }

    .safe-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: start;
    }

    .safe-title {
      font-size: clamp(26px, 3vw, 40px);
      line-height: 1.18;
      letter-spacing: -0.04em;
      font-weight: 950;
      margin-bottom: 14px;
    }

    .safe-text {
      color: rgba(247, 248, 255, 0.78);
    }

    .check-list {
      display: grid;
      gap: 12px;
    }

    .check-item {
      display: flex;
      gap: 12px;
      padding: 15px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.13);
      color: rgba(255, 255, 255, 0.88);
    }

    .check-item strong {
      color: #fff;
    }

    .check-dot {
      flex: 0 0 auto;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(32, 214, 181, 0.18);
      color: var(--accent);
      font-weight: 950;
      margin-top: 2px;
    }

    .faq-wrap {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--line-dark);
      border-radius: 20px;
      box-shadow: 0 12px 32px rgba(16, 24, 48, 0.08);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      align-items: center;
      padding: 20px 22px;
      background: #fff;
      color: var(--text-dark);
      text-align: left;
      font-weight: 900;
      font-size: 16px;
    }

    .faq-question:hover {
      background: #fbf7fb;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      flex: 0 0 auto;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      color: var(--muted-dark);
      font-size: 15px;
    }

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

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      padding: 44px;
      background:
        radial-gradient(circle at top right, rgba(32, 214, 181, 0.24), transparent 30%),
        linear-gradient(135deg, #171d31, #241b3a);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: url("/assets/images/coverpic/cover-9.webp") right center / 46% auto no-repeat;
      opacity: .18;
      pointer-events: none;
    }

    .cta-content {
      position: relative;
      max-width: 720px;
      z-index: 1;
    }

    .cta-panel h2 {
      font-size: clamp(28px, 3.4vw, 46px);
      line-height: 1.14;
      letter-spacing: -0.04em;
      font-weight: 950;
      margin-bottom: 14px;
    }

    .cta-panel p {
      color: rgba(247, 248, 255, 0.78);
      margin-bottom: 24px;
    }

    .site-footer {
      background: #0b0e1a;
      color: #fff;
      padding: 56px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.10);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .85fr .85fr;
      gap: 34px;
      margin-bottom: 34px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 950;
      font-size: 20px;
      margin-bottom: 14px;
    }

    .footer-copy {
      max-width: 520px;
      color: rgba(247, 248, 255, 0.68);
      font-size: 14px;
    }

    .footer-title {
      font-weight: 900;
      margin-bottom: 13px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      color: rgba(247, 248, 255, 0.68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-links .warning {
      color: var(--warning);
      font-weight: 850;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, 0.10);
      color: rgba(247, 248, 255, 0.56);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .header-inner {
        height: auto;
        min-height: 72px;
        padding: 14px 0;
        align-items: flex-start;
      }

      .nav-menu {
        gap: 4px;
      }

      .nav-link {
        padding: 9px 11px;
      }

      .hero-shell,
      .safe-grid {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        max-width: 620px;
      }

      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }

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

      .compare-head:first-child,
      .compare-label {
        grid-column: auto;
      }

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

    @media (max-width: 768px) {
      body {
        background:
          radial-gradient(circle at top left, rgba(124, 92, 255, 0.26), transparent 36%),
          linear-gradient(180deg, #0d1020 0%, #12172a 36%, #f4f6fb 36%, #f4f6fb 100%);
      }

      .container {
        width: min(100% - 28px, var(--container));
      }

      .header-inner {
        align-items: center;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-menu {
        position: absolute;
        left: 14px;
        right: 14px;
        top: 76px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        border-radius: 22px;
        padding: 10px;
        background: rgba(13, 16, 32, 0.96);
        box-shadow: var(--shadow);
      }

      .nav-menu.open {
        display: flex;
      }

      .nav-link {
        text-align: center;
        padding: 12px 14px;
      }

      .page-hero {
        padding: 38px 0 36px;
      }

      .hero-shell {
        padding: 28px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .section {
        padding: 52px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 12px;
      }

      .grid-3,
      .grid-2 {
        grid-template-columns: 1fr;
      }

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

      .compare-head {
        min-height: auto;
      }

      .safe-band,
      .cta-panel {
        padding: 28px;
      }

      .cta-panel::before {
        background-size: cover;
        opacity: .10;
      }

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

      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand {
        font-size: 18px;
      }

      .brand-mark,
      .footer-brand .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .hero-shell {
        border-radius: 24px;
        padding: 22px;
      }

      .review-card img,
      .image-card img {
        height: 190px;
      }

      .card-pad {
        padding: 22px;
      }

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

      .step-num {
        width: 50px;
        height: 50px;
      }

      .faq-question {
        padding: 18px;
      }

      .faq-answer {
        padding: 0 18px 18px;
      }
    }