/* CSS RESET & VARIABLES - 缤纷糖果亮色风 */
    :root {
      --candy-pink: #FF6B8B;
      --candy-purple: #8A2387;
      --candy-cyan: #00D2FF;
      --candy-yellow: #FFD97D;
      --candy-green: #2ECC71;
      --bg-light: #F8F9FE;
      --bg-white: #FFFFFF;
      --text-main: #1E2229;
      --text-sub: #4A5568;
      --text-muted: #718096;
      --border-color: #E2E8F0;
      --card-shadow: 0 10px 25px -5px rgba(138, 35, 135, 0.08), 0 8px 10px -6px rgba(0, 210, 255, 0.05);
      --card-hover-shadow: 0 20px 35px -5px rgba(255, 107, 139, 0.18), 0 12px 15px -6px rgba(138, 35, 135, 0.12);
      --container-max-width: 1200px;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 999px;
      --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      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, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

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

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: var(--container-max-width);
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.75rem 1.75rem;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      cursor: pointer;
      transition: var(--transition-normal);
      border: none;
      outline: none;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #FFFFFF;
      box-shadow: 0 4px 15px rgba(255, 107, 139, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 107, 139, 0.5);
    }

    .btn-secondary {
      background: linear-gradient(135deg, #00D2FF, #3A7BD5);
      color: #FFFFFF;
      box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(0, 210, 255, 0.45);
    }

    .btn-outline {
      background: #FFFFFF;
      color: var(--candy-purple);
      border: 2px solid #E2E8F0;
    }

    .btn-outline:hover {
      border-color: var(--candy-purple);
      background: #FAF5FF;
      transform: translateY(-2px);
    }

    /* 眉标与标题 */
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 3.5rem auto;
    }

    .badge {
      display: inline-block;
      padding: 0.35rem 1rem;
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      background: rgba(255, 107, 139, 0.1);
      color: var(--candy-pink);
      margin-bottom: 0.75rem;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 1rem;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-sub);
    }

    /* HEADER & NAV */
    .header-site {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: var(--transition-normal);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

    .logo-container {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .logo-container img {
      max-height: 42px;
      width: auto;
    }

    /* 规则要求: .nav-links的gap属性设置为0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      display: inline-block;
      padding: 0.5rem 0.85rem;
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-main);
      transition: var(--transition-normal);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--candy-pink);
      background: rgba(255, 107, 139, 0.06);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
    }

    /* HERO SECTION (无任何图片) */
    .hero-section {
      position: relative;
      padding: 5rem 0 4rem 0;
      background: radial-gradient(circle at 10% 20%, rgba(255, 217, 125, 0.35) 0%, rgba(255, 255, 255, 0) 40%),
                  radial-gradient(circle at 90% 80%, rgba(0, 210, 255, 0.25) 0%, rgba(255, 255, 255, 0) 50%),
                  radial-gradient(circle at 50% 50%, rgba(255, 107, 139, 0.15) 0%, rgba(255, 255, 255, 0) 60%);
      text-align: center;
    }

    .hero-content {
      max-width: 860px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.4rem 1.25rem;
      border-radius: var(--radius-pill);
      background: #FFFFFF;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
      border: 1px solid rgba(138, 35, 135, 0.15);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--candy-purple);
      margin-bottom: 1.75rem;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 1.25rem;
      letter-spacing: -1px;
    }

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

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-sub);
      margin-bottom: 2.25rem;
      line-height: 1.7;
    }

    .hero-btns {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 3rem;
    }

    .hero-features-list {
      display: flex;
      justify-content: center;
      gap: 1.5rem;
      flex-wrap: wrap;
      list-style: none;
      font-size: 0.95rem;
      color: var(--text-sub);
      font-weight: 500;
    }

    .hero-features-list li {
      display: flex;
      align-items: center;
      gap: 0.4rem;
      background: rgba(255, 255, 255, 0.7);
      padding: 0.4rem 1rem;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }

    .hero-features-list li::before {
      content: "✓";
      color: var(--candy-green);
      font-weight: bold;
    }

    /* DATA STATS CARDS */
    .stats-section {
      padding: 2.5rem 0 4rem 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }

    .stat-card {
      background: #FFFFFF;
      padding: 1.75rem;
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
      text-align: center;
      transition: var(--transition-normal);
    }

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

    .stat-number {
      font-size: 2.4rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--candy-purple), var(--candy-pink));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 0.25rem;
    }

    .stat-label {
      font-size: 0.95rem;
      color: var(--text-sub);
      font-weight: 600;
    }

    /* SECTION CONTAINERS */
    .section-padding {
      padding: 4.5rem 0;
    }

    .bg-white-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 2.5rem;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
    }

    /* CARDS GRID */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }

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

    .feature-card {
      background: #FFFFFF;
      padding: 2rem;
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
      transition: var(--transition-normal);
      position: relative;
      overflow: hidden;
    }

    .feature-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--candy-pink), var(--candy-cyan));
      opacity: 0;
      transition: var(--transition-normal);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-hover-shadow);
    }

    .feature-card:hover::before {
      opacity: 1;
    }

    .card-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, rgba(255, 107, 139, 0.1), rgba(0, 210, 255, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 1.25rem;
      color: var(--candy-purple);
    }

    .card-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: var(--text-main);
    }

    .card-desc {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 行业方案 & 一站式制作 Tag 样式 */
    .pill-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-top: 1rem;
    }

    .pill-tag {
      font-size: 0.78rem;
      padding: 0.2rem 0.65rem;
      border-radius: var(--radius-pill);
      background: #F1F5F9;
      color: var(--text-muted);
    }

    /* 对比评测 TABLE & RATING */
    .rating-banner {
      background: linear-gradient(135deg, #FFF5F7, #F0F9FF);
      border: 2px dashed rgba(255, 107, 139, 0.4);
      border-radius: var(--radius-md);
      padding: 2rem;
      text-align: center;
      margin-bottom: 2.5rem;
    }

    .rating-score {
      font-size: 3rem;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
      margin-bottom: 0.5rem;
    }

    .stars {
      color: #FFB800;
      font-size: 1.5rem;
      margin-bottom: 0.5rem;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background: #FFFFFF;
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .custom-table th, .custom-table td {
      padding: 1.2rem 1.5rem;
      border-bottom: 1px solid var(--border-color);
    }

    .custom-table th {
      background: #F8FAFC;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .tag-check {
      color: var(--candy-green);
      font-weight: bold;
    }

    .tag-cross {
      color: #E53E3E;
      font-weight: bold;
    }

    /* FAQ COLLAPSIBLE */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .faq-item {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 1.25rem 1.5rem;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      background: none;
      border: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--transition-normal);
    }

    .faq-question:hover {
      color: var(--candy-pink);
    }

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #FAFAFE;
    }

    .faq-answer-inner {
      padding: 0 1.5rem 1.25rem 1.5rem;
      color: var(--text-sub);
      font-size: 0.98rem;
      line-height: 1.7;
    }

    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
    }

    /* USER REVIEWS */
    .review-user {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-top: 1.25rem;
    }

    .avatar-circle {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-yellow));
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }

    .user-info .user-name {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .user-info .user-role {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* ARTICLES LIST */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .article-item-card {
      background: #FFFFFF;
      padding: 1.25rem;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      transition: var(--transition-normal);
    }

    .article-item-card:hover {
      border-color: var(--candy-cyan);
      transform: translateY(-2px);
    }

    .article-item-card a {
      color: var(--candy-purple);
      font-weight: 600;
      word-break: break-all;
    }

    /* CONTACT & FORM */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: start;
    }

    .contact-info-box {
      background: #FFFFFF;
      padding: 2.5rem;
      border-radius: var(--radius-lg);
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
    }

    .info-list-item {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }

    .info-icon {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(0, 210, 255, 0.1);
      color: var(--candy-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      flex-shrink: 0;
    }

    .form-container {
      background: #FFFFFF;
      padding: 2.5rem;
      border-radius: var(--radius-lg);
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
    }

    .form-group {
      margin-bottom: 1.25rem;
    }

    .form-label {
      display: block;
      margin-bottom: 0.5rem;
      font-weight: 600;
      font-size: 0.9rem;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition-normal);
      background: #FAFAFC;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--candy-pink);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(255, 107, 139, 0.15);
    }

    /* FOOTER */
    .footer-site {
      background: #151922;
      color: #A0AEC0;
      padding: 4rem 0 2rem 0;
      margin-top: 4rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 2.5rem;
      margin-bottom: 3rem;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1.1rem;
      margin-bottom: 1.25rem;
      font-weight: 700;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }

    .footer-links a {
      color: #A0AEC0;
      transition: var(--transition-normal);
      font-size: 0.9rem;
    }

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

    .friend-links-box {
      border-top: 1px solid #2D3748;
      padding-top: 2rem;
      margin-bottom: 2rem;
    }

    .friend-links-box h5 {
      color: #CBD5E0;
      margin-bottom: 1rem;
      font-size: 0.95rem;
    }

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

    .friend-links-flex a {
      color: #A0AEC0;
      font-size: 0.88rem;
      transition: var(--transition-normal);
    }

    .friend-links-flex a:hover {
      color: var(--candy-cyan);
    }

    .footer-bottom {
      border-top: 1px solid #2D3748;
      padding-top: 1.5rem;
      text-align: center;
      font-size: 0.85rem;
      color: #718096;
    }

    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      background: #FFFFFF;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      padding: 0.75rem;
      text-align: center;
      border: 1px solid var(--border-color);
      transition: var(--transition-normal);
    }

    .float-kefu:hover {
      transform: translateY(-5px);
    }

    .float-kefu img {
      width: 100px;
      height: 100px;
      border-radius: var(--radius-sm);
      margin-bottom: 0.4rem;
    }

    .float-kefu span {
      display: block;
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--candy-purple);
    }

    /* RESPONSIVE */
    @media (max-width: 992px) {
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .contact-wrapper { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .hero-title { font-size: 2rem; }
      .mobile-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active { display: flex; }
      .grid-3, .grid-2, .stats-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .float-kefu { display: none; }
    }