/* QuickCount Global Styles */
:root {
      --gradient-start: #667EEA;
      --gradient-end: #764BA2;
      --text-dark: #1f2933;
      --text-medium: #4b5563;
      --bg-light: #f8fafc;
      --card-bg: #ffffff;
      --accent: #ec4899;
    }

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

    body {
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.6;
    }

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

    header {
      background: linear-gradient(120deg, var(--gradient-start), var(--gradient-end));
      color: #ffffff;
    }

    .top-nav {
      max-width: 1120px;
      margin: 0 auto;
      padding: 24px 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.08em;
    }

    .logo img {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .nav-links {
      display: flex;
      gap: 20px;
      font-size: 14px;
      align-items: center;
    }

    .nav-links a {
      position: relative;
      padding-bottom: 4px;
    }

    .lang-switcher {
      display: flex;
      gap: 8px;
      align-items: center;
      padding: 6px 12px;
      background: rgba(255, 255, 255, 0.15);
      border-radius: 20px;
      font-size: 13px;
    }

    .lang-switcher a {
      padding: 4px 8px;
      border-radius: 12px;
      transition: background 0.2s ease;
    }

    .lang-switcher a:hover {
      background: rgba(255, 255, 255, 0.2);
    }

    .lang-switcher a.active {
      background: rgba(255, 255, 255, 0.3);
      font-weight: 600;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: rgba(255, 255, 255, 0.8);
      transition: width 0.3s ease;
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .hero-container {
      max-width: 1120px;
      margin: 0 auto;
      padding: 72px 24px 96px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 48px;
      align-items: center;
    }

    .hero-text h1 {
      font-size: 40px;
      line-height: 1.15;
      margin-bottom: 16px;
    }

    .hero-text p {
      font-size: 18px;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 32px;
    }

    .cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .cta-primary,
    .cta-secondary {
      padding: 14px 28px;
      border-radius: 999px;
      font-weight: 600;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .cta-primary {
      background: #ffffff;
      color: var(--gradient-start);
      box-shadow: 0 16px 32px rgba(102, 126, 234, 0.25);
    }

    .cta-secondary {
      background: rgba(255, 255, 255, 0.12);
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.4);
    }

    .cta-primary:hover,
    .cta-secondary:hover {
      transform: translateY(-2px);
    }

    .metrics {
      margin-top: 40px;
      display: grid;
      gap: 16px;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .metric-card {
      background: rgba(255, 255, 255, 0.12);
      padding: 16px 20px;
      border-radius: 16px;
    }

    main {
      max-width: 1120px;
      margin: 0 auto;
      padding: 64px 24px 96px;
      display: flex;
      flex-direction: column;
      gap: 80px;
    }

    section h2 {
      font-size: 32px;
      margin-bottom: 24px;
      color: var(--text-dark);
    }

    .section-intro {
      max-width: 720px;
      margin-bottom: 36px;
      color: var(--text-medium);
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
    }

    .card {
      background: var(--card-bg);
      border-radius: 20px;
      padding: 28px;
      box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .card .icon-bubble {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      background: rgba(102, 126, 234, 0.12);
      color: var(--gradient-end);
      margin-bottom: 12px;
    }

    .card h3 {
      font-size: 20px;
      color: var(--text-dark);
    }

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

    .analysis-layout {
      display: grid;
      gap: 32px;
    }

    .analysis-cards {
      display: grid;
      gap: 20px;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      align-items: stretch;
    }

    .analysis-cards .card {
      border: 1px solid rgba(118, 75, 162, 0.12);
      position: relative;
      height: 100%;
    }

    .analysis-card--full {
      grid-column: 1 / -1;
    }

    .analysis-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .analysis-cards .badge {
      position: absolute;
      top: 24px;
      right: 24px;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      background: rgba(102, 126, 234, 0.15);
      color: var(--gradient-end);
    }

    .analysis-cards ul {
      margin-left: 18px;
      color: var(--text-medium);
      font-size: 14px;
      line-height: 1.6;
    }

    .analysis-visual {
      display: grid;
      gap: 20px;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      align-items: stretch;
    }

    .analysis-visual figure {
      background: var(--card-bg);
      border-radius: 24px;
      padding: 20px;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.09);
      display: grid;
      gap: 12px;
      height: 100%;
    }

    .analysis-visual img {
      width: 100%;
      border-radius: 16px;
      box-shadow: 0 12px 24px rgba(118, 75, 162, 0.18);
    }

    .analysis-visual figcaption {
      font-size: 13px;
      color: var(--text-medium);
    }

    details {
      background: var(--card-bg);
      border-radius: 16px;
      padding: 20px 24px;
      box-shadow: 0 16px 32px rgba(15, 23, 42, 0.06);
    }

    details + details {
      margin-top: 16px;
    }

    summary {
      cursor: pointer;
      font-weight: 600;
      color: var(--text-dark);
      font-size: 16px;
    }

    summary::marker {
      color: var(--gradient-start);
    }

    details p {
      margin-top: 12px;
      color: var(--text-medium);
      font-size: 15px;
    }

    .download {
      text-align: center;
      display: grid;
      gap: 24px;
      justify-items: center;
    }

    .download-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .download-buttons a {
      background: linear-gradient(120deg, var(--gradient-start), var(--gradient-end));
      padding: 14px 28px;
      border-radius: 999px;
      color: #ffffff;
      font-weight: 600;
      box-shadow: 0 16px 28px rgba(102, 126, 234, 0.25);
      transition: transform 0.2s ease;
    }

    .download-buttons a:hover {
      transform: translateY(-2px);
    }

    .qr-placeholder {
      width: 160px;
      height: 160px;
      border-radius: 20px;
      border: 2px dashed rgba(102, 126, 234, 0.4);
      display: grid;
      place-content: center;
      color: var(--text-medium);
      font-size: 14px;
    }

    .qr-code {
      width: 200px;
      height: 200px;
      padding: 12px;
      background: white;
      border-radius: 20px;
      box-shadow: 0 8px 24px rgba(102, 126, 234, 0.15);
    }

    .qr-code img {
      width: 100%;
      height: 100%;
      border-radius: 12px;
    }

    .qr-caption {
      margin-top: 12px;
      font-size: 14px;
      color: var(--text-medium);
      text-align: center;
    }

    footer {
      background: #0f172a;
      color: rgba(255, 255, 255, 0.72);
      padding: 48px 24px;
    }

    .footer-inner {
      max-width: 1120px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 40px;
      flex-wrap: wrap;
    }

    .footer-left {
      display: grid;
      gap: 16px;
      flex: 1;
      min-width: 300px;
    }

    .footer-right {
      display: flex;
      flex-direction: column;
      gap: 16px;
      align-items: flex-end;
      text-align: right;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 14px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.72);
    }

    .footer-lang {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
    }

    .footer-lang a {
      transition: opacity 0.2s ease;
    }

    .footer-lang a:hover {
      opacity: 0.7;
    }

    .social {
      display: flex;
      gap: 12px;
      font-size: 14px;
    }

    @media (max-width: 768px) {
      .hero-text h1 {
        font-size: 32px;
      }

      .top-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }

      .nav-links {
        flex-wrap: wrap;
      }
    }

    /* Contact Page */
    .contact-page header {
      padding: 96px 24px 160px;
      text-align: center;
      display: grid;
      gap: 16px;
    }

    .contact-page header h1 {
      font-size: 40px;
      line-height: 1.2;
      margin: 0 auto;
      max-width: 720px;
    }

    .contact-page header p {
      max-width: 640px;
      margin: 0 auto;
      font-size: 17px;
      color: rgba(255, 255, 255, 0.85);
    }

    .contact-page main {
      max-width: 960px;
      margin: -64px auto 96px;
      padding: 0 24px;
    }

    .contact-page .card {
      background: var(--card-bg);
      border-radius: 24px;
      padding: 40px;
      box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
      display: grid;
      gap: 32px;
    }

    .contact-page h2 {
      font-size: 24px;
      margin-bottom: 12px;
    }

    .contact-page p {
      color: var(--text-medium);
      font-size: 15px;
    }

    .contact-page .contact-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 24px;
    }

    .contact-page .contact-item {
      background: #f1f5f9;
      border-radius: 20px;
      padding: 24px;
      display: grid;
      gap: 8px;
    }

    .contact-page .contact-item strong {
      font-size: 16px;
      color: var(--text-dark);
    }

    .contact-page .contact-item a {
      color: var(--gradient-end);
      font-weight: 600;
      word-break: break-all;
    }

    .contact-page ul {
      margin-left: 20px;
      color: var(--text-medium);
    }

    .contact-page footer {
      text-align: center;
      padding: 48px 24px;
      color: rgba(255, 255, 255, 0.6);
    }

    .contact-page footer a {
      color: rgba(255, 255, 255, 0.8);
    }

    @media (max-width: 600px) {
      .contact-page header {
        padding: 72px 20px 140px;
      }

      .contact-page header h1 {
        font-size: 32px;
      }

      .contact-page header p {
        font-size: 15px;
      }
    }

    /* Help Page */
    .help-page header {
      padding: 96px 24px 150px;
      text-align: center;
      display: grid;
      gap: 16px;
    }

    .help-page header h1 {
      font-size: 40px;
      line-height: 1.25;
      margin: 0 auto;
      max-width: 820px;
    }

    .help-page header p {
      font-size: 17px;
      color: rgba(255, 255, 255, 0.85);
      max-width: 760px;
      margin: 0 auto;
    }

    .help-page main {
      max-width: 960px;
      margin: -64px auto 96px;
      padding: 0 24px 96px;
    }

    .help-page .card {
      background: var(--card-bg);
      border-radius: 28px;
      padding: 48px;
      box-shadow: 0 32px 80px rgba(15, 23, 42, 0.12);
      display: grid;
      gap: 32px;
    }

    .help-page h2 {
      font-size: 26px;
      color: var(--gradient-end);
    }

    .help-page h3 {
      font-size: 20px;
      margin-top: 24px;
      margin-bottom: 10px;
    }

    .help-page p,
    .help-page ul {
      color: var(--text-medium);
      font-size: 15px;
    }

    .help-page details {
      background: rgba(102, 126, 234, 0.06);
      border-radius: 16px;
      padding: 20px 24px;
      margin-bottom: 16px;
      cursor: pointer;
    }

    .help-page summary {
      font-weight: 600;
      color: var(--text-dark);
      font-size: 16px;
      list-style: none;
      position: relative;
      padding-right: 20px;
    }

    .help-page summary::before {
      content: '+';
      position: absolute;
      right: 0;
      top: 50%;
      transform: translateY(-50%);
      font-size: 20px;
      color: var(--gradient-start);
      transition: transform 0.3s ease;
    }

    .help-page details[open] summary::before {
      transform: translateY(-50%) rotate(45deg);
    }

    .help-page details p,
    .help-page details ul {
      margin-top: 12px;
      color: var(--text-medium);
      font-size: 15px;
      line-height: 1.6;
    }

    .help-page .section-nav {
      display: flex;
      justify-content: center;
      margin-bottom: 32px;
      flex-wrap: wrap;
      gap: 12px;
    }

    .help-page .section-nav a {
      padding: 12px 24px;
      background: var(--card-bg);
      border-radius: 25px;
      font-weight: 600;
      font-size: 14px;
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
      transition: all 0.3s ease;
      border: 2px solid transparent;
      text-decoration: none;
      color: var(--text-dark);
    }

    .help-page .section-nav a:hover,
    .help-page .section-nav a.active {
      background: linear-gradient(120deg, var(--gradient-start), var(--gradient-end));
      color: #ffffff;
      transform: translateY(-2px);
    }

    .help-page .tips-list {
      display: grid;
      gap: 16px;
    }

    .help-page .tip-item {
      background: rgba(102, 126, 234, 0.06);
      padding: 20px;
      border-radius: 16px;
      border-left: 4px solid var(--gradient-start);
    }

    .help-page .tip-item h4 {
      font-size: 16px;
      color: var(--text-dark);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .help-page .tip-item p {
      color: var(--text-medium);
      font-size: 14px;
    }

    .help-page footer {
      text-align: center;
      padding: 48px 24px;
      color: rgba(255, 255, 255, 0.6);
    }

    .help-page footer a {
      color: rgba(255, 255, 255, 0.8);
    }

    /* Privacy & Terms */
    .policy-page header,
    .terms-page header {
      padding: 96px 24px 140px;
      text-align: center;
      display: grid;
      gap: 12px;
    }

    .policy-page header h1,
    .terms-page header h1 {
      font-size: 38px;
      line-height: 1.25;
      margin: 0 auto;
      max-width: 720px;
    }

    .policy-page header p,
    .terms-page header p {
      max-width: 700px;
      margin: 0 auto;
      font-size: 16px;
      color: rgba(255, 255, 255, 0.8);
    }

    .policy-page main,
    .terms-page main {
      max-width: 960px;
      margin: -64px auto 96px;
      padding: 0 24px 96px;
    }

    .policy-page .card,
    .terms-page .card {
      background: var(--card-bg);
      border-radius: 28px;
      padding: 48px;
      box-shadow: 0 32px 80px rgba(15, 23, 42, 0.12);
      display: grid;
      gap: 32px;
    }

    .policy-page h2,
    .terms-page h2 {
      font-size: 26px;
      color: var(--gradient-end);
    }

    .policy-page h3,
    .terms-page h3 {
      font-size: 20px;
      margin-top: 24px;
      margin-bottom: 8px;
    }

    .policy-page p,
    .policy-page ul,
    .terms-page p,
    .terms-page ul {
      color: var(--text-medium);
      font-size: 15px;
    }

    .policy-page strong,
    .terms-page strong {
      color: var(--text-dark);
    }

    .policy-page footer,
    .terms-page footer {
      text-align: center;
      padding: 48px 24px;
      color: rgba(255, 255, 255, 0.6);
    }

    .policy-page footer a,
    .terms-page footer a {
      color: rgba(255, 255, 255, 0.8);
    }

    @media (max-width: 600px) {
      .policy-page header,
      .terms-page header {
        padding: 72px 20px 120px;
      }

      .policy-page header h1,
      .terms-page header h1 {
        font-size: 30px;
      }

      .policy-page header p,
      .terms-page header p {
        font-size: 14px;
      }
    }

    @media (max-width: 600px) {
      .help-page header {
        padding: 72px 20px 140px;
      }

      .help-page header h1 {
        font-size: 32px;
      }

      .help-page header p {
        font-size: 15px;
      }
    }