:root {
      --candy-pink: #ff4d79;
      --candy-purple: #7952ff;
      --candy-blue: #0084ff;
      --candy-cyan: #00c9b7;
      --candy-yellow: #ffb800;
      --candy-orange: #ff7a00;
      --candy-green: #10b981;
      --bg-page: #f6f8fd;
      --bg-card: #ffffff;
      --bg-subtle: #f0f4fc;
      --text-main: #182238;
      --text-muted: #57657e;
      --text-light: #8a96aa;
      --border-color: #e5ebf5;
      --card-shadow: 0 10px 30px rgba(121, 82, 255, 0.08);
      --card-shadow-hover: 0 16px 36px rgba(121, 82, 255, 0.16);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(255, 77, 121, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 90% 20%, rgba(0, 132, 255, 0.05) 0%, transparent 35%),
        radial-gradient(circle at 50% 70%, rgba(121, 82, 255, 0.04) 0%, transparent 40%);
      background-attachment: fixed;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

    ul, ol {
      list-style: none;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(240, 244, 252, 0.8) 100%);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
      background: linear-gradient(135deg, rgba(255, 77, 121, 0.12), rgba(121, 82, 255, 0.15));
      color: var(--candy-purple);
      border: 1px solid rgba(121, 82, 255, 0.2);
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .highlight-candy {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple), var(--candy-blue));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-wrap {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: linear-gradient(135deg, #fff0f5, #f3e8ff);
      box-shadow: 0 4px 10px rgba(255, 77, 121, 0.15);
      overflow: hidden;
    }

    .brand-text-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-tag {
      font-size: 0.72rem;
      background: linear-gradient(135deg, var(--candy-yellow), var(--candy-orange));
      color: #fff;
      padding: 2px 8px;
      border-radius: var(--radius-pill);
      font-weight: 700;
    }

    .main-nav {
      display: flex;
      align-items: center;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--candy-purple);
      background-color: rgba(121, 82, 255, 0.08);
    }

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

    .btn-candy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-pill);
      cursor: pointer;
      border: none;
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-blue));
      color: #ffffff;
      box-shadow: 0 6px 18px rgba(121, 82, 255, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(121, 82, 255, 0.45);
      color: #ffffff;
    }

    .btn-accent {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-orange));
      color: #ffffff;
      box-shadow: 0 6px 18px rgba(255, 77, 121, 0.35);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(255, 77, 121, 0.45);
      color: #ffffff;
    }

    .btn-outline {
      background: #ffffff;
      color: var(--text-main);
      border: 1.5px solid var(--border-color);
    }

    .btn-outline:hover {
      border-color: var(--candy-purple);
      color: var(--candy-purple);
      background-color: rgba(121, 82, 255, 0.04);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    .hero-section {
      padding: 90px 0 80px 0;
      background: radial-gradient(circle at 50% 0%, rgba(121, 82, 255, 0.08) 0%, transparent 60%);
      position: relative;
    }

    .hero-inner {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(121, 82, 255, 0.25);
      box-shadow: 0 6px 16px rgba(121, 82, 255, 0.08);
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--candy-purple);
      margin-bottom: 24px;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--candy-pink);
      animation: pulseDot 1.8s infinite;
    }

    @keyframes pulseDot {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.4); opacity: 0.6; }
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      line-height: 1.8;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 36px auto;
    }

    .hero-btn-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      padding: 24px 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      text-align: center;
      transition: transform 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-4px);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .model-tags-bar {
      margin-top: 40px;
      padding: 16px 20px;
      background: rgba(255, 255, 255, 0.8);
      border-radius: var(--radius-pill);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .model-chip {
      background: #ffffff;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      border: 1px solid #e0e7ff;
      color: var(--candy-purple);
      font-weight: 700;
    }

    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .card-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .candy-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
      display: flex;
      flex-direction: column;
    }

    .candy-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-shadow-hover);
      border-color: rgba(121, 82, 255, 0.3);
    }

    .card-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      color: #ffffff;
    }

    .icon-pink { background: linear-gradient(135deg, var(--candy-pink), #ff7a9e); }
    .icon-purple { background: linear-gradient(135deg, var(--candy-purple), #9b72cf); }
    .icon-blue { background: linear-gradient(135deg, var(--candy-blue), #38bdf8); }
    .icon-cyan { background: linear-gradient(135deg, var(--candy-cyan), #34d399); }
    .icon-yellow { background: linear-gradient(135deg, var(--candy-yellow), var(--candy-orange)); }

    .candy-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .candy-card p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    .card-footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 18px;
    }

    .tag-sm {
      font-size: 0.76rem;
      padding: 3px 8px;
      border-radius: 6px;
      background: var(--bg-subtle);
      color: var(--text-muted);
      font-weight: 600;
    }

    .media-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
    }

    .media-card-img-wrap {
      aspect-ratio: 16/9;
      background: #f1f5f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .media-card-img-wrap.square {
      aspect-ratio: 1/1;
    }

    .media-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      transition: transform 0.4s ease;
    }

    .media-card:hover .media-card-img-wrap img {
      transform: scale(1.03);
    }

    .media-card-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-step {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      position: relative;
      box-shadow: var(--card-shadow);
    }

    .step-badge {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      margin-bottom: 14px;
    }

    .table-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      overflow-x: auto;
      padding: 10px;
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .custom-table th, .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .custom-table th {
      background: #f8fafc;
      font-size: 0.92rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .custom-table tr:last-child td {
      border-bottom: none;
    }

    .custom-table tr:hover td {
      background: rgba(121, 82, 255, 0.02);
    }

    .score-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: linear-gradient(135deg, #fff7ed, #ffedd5);
      border: 1px solid #fdba74;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      font-weight: 800;
      color: #ea580c;
    }

    .star-rating {
      color: #ff9800;
      letter-spacing: 2px;
    }

    .faq-accordion {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      transition: all 0.25s ease;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

    .faq-item.active {
      border-color: var(--candy-purple);
      box-shadow: 0 8px 24px rgba(121, 82, 255, 0.1);
    }

    .faq-header {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .faq-title .q-icon {
      color: var(--candy-pink);
      font-weight: 900;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--text-muted);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-toggle-icon {
      transform: rotate(180deg);
      color: var(--candy-purple);
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fafcff;
    }

    .faq-item.active .faq-body {
      padding: 0 24px 20px 24px;
    }

    .faq-body p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .form-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
    }

    .contact-info-col {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .contact-card-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }

    .contact-icon-box {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--bg-subtle);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: var(--candy-purple);
      flex-shrink: 0;
    }

    .qr-container {
      margin-top: 10px;
      padding: 16px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      display: inline-block;
      max-width: 200px;
      text-align: center;
    }

    .qr-container img {
      border-radius: 8px;
      margin-bottom: 8px;
    }

    .qr-label {
      font-size: 0.8rem;
      color: var(--text-muted);
      font-weight: 700;
    }

    .app-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1.5px solid var(--border-color);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--candy-purple);
      box-shadow: 0 0 0 3px rgba(121, 82, 255, 0.15);
    }

    textarea.form-control {
      min-height: 110px;
      resize: vertical;
    }

    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #ffffff;
      font-size: 1rem;
    }

    .reviewer-info h4 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .reviewer-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .review-content {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .article-section-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 14px;
      margin-top: 20px;
    }

    .article-btn-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 18px;
      background: var(--bg-subtle);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      transition: all 0.25s ease;
    }

    .article-btn-link:hover {
      background: #ffffff;
      border-color: var(--candy-purple);
      color: var(--candy-purple);
      transform: translateX(4px);
    }

    .site-footer {
      background: #131a29;
      color: #d1d5db;
      padding: 70px 0 30px 0;
      border-top: 1px solid #243048;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 20px;
      position: relative;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 28px;
      height: 3px;
      background: var(--candy-pink);
      border-radius: 2px;
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list li a {
      color: #94a3b8;
      font-size: 0.9rem;
    }

    .footer-links-list li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friend-links-wrap a {
      color: #94a3b8;
      background: rgba(255, 255, 255, 0.06);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.82rem;
    }

    .friend-links-wrap a:hover {
      color: #ffffff;
      background: rgba(121, 82, 255, 0.3);
    }

    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid #1e293b;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.86rem;
      color: #64748b;
    }

    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
      cursor: pointer;
      font-size: 1.2rem;
      transition: all 0.25s ease;
    }

    .float-btn:hover {
      transform: scale(1.08);
      background: var(--candy-purple);
      color: #ffffff;
      border-color: var(--candy-purple);
    }

    .float-btn-primary {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #ffffff;
      border: none;
    }

    @media (max-width: 1024px) {
      .hero-title { font-size: 2.4rem; }
      .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
      .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
      .process-timeline { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .form-layout { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .section { padding: 50px 0; }
      .hero-title { font-size: 1.85rem; }
      .hero-subtitle { font-size: 1rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
      .process-timeline { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        display: none;
      }
      .main-nav.active {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links li { width: 100%; }
      .nav-links li a {
        display: block;
        padding: 10px 14px;
        width: 100%;
      }
      .mobile-menu-toggle { display: block; }
      .header-actions .btn-candy { padding: 8px 14px; font-size: 0.85rem; }
    }