/* ===== 全局重置与变量 ===== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    :root {
      --c-primary: #d6336c;
      --c-primary-dark: #b02a58;
      --c-primary-light: #fce4ec;
      --c-accent: #7b2d8e;
      --c-bg: #fdf8f6;
      --c-surface: #ffffff;
      --c-text: #2d1b2e;
      --c-text-soft: #6b4d63;
      --c-border: #f0d9e2;
      --c-shadow: rgba(214, 51, 108, 0.12);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 10px;
      --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
      --transition: 0.28s cubic-bezier(0.2, 0.9, 0.4, 1);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-stack);
      background: var(--c-bg);
      color: var(--c-text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    ul, ol {
      list-style: none;
    }

    /* ===== 通用容器 ===== */
    .container {
      width: min(1180px, 100% - 2rem);
      margin-inline: auto;
    }

    /* ===== 排版 ===== */
    h1, h2, h3, h4 {
      line-height: 1.25;
      font-weight: 700;
      color: var(--c-text);
    }
    h1 { font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
    h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
    h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
    .section-label {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--c-primary);
      background: var(--c-primary-light);
      padding: 0.25rem 0.9rem;
      border-radius: 999px;
      margin-bottom: 0.75rem;
    }
    .section-heading {
      margin-bottom: 0.75rem;
    }
    .section-sub {
      color: var(--c-text-soft);
      max-width: 640px;
      margin-bottom: 2rem;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 1.8rem;
      border-radius: 999px;
      font-weight: 600;
      font-size: 0.95rem;
      border: 2px solid transparent;
      cursor: pointer;
      transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
    }
    .btn-primary {
      background: var(--c-primary);
      color: #fff;
      box-shadow: 0 8px 20px var(--c-shadow);
    }
    .btn-primary:hover {
      background: var(--c-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(214, 51, 108, 0.28);
    }
    .btn-outline {
      border-color: var(--c-primary);
      color: var(--c-primary);
      background: transparent;
    }
    .btn-outline:hover {
      background: var(--c-primary-light);
      transform: translateY(-2px);
    }
    .btn-white {
      background: #fff;
      color: var(--c-primary);
      border-color: #fff;
    }
    .btn-white:hover {
      background: var(--c-primary-light);
    }

    /* ===== 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(253, 248, 246, 0.88);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--c-border);
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      min-height: 72px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      flex-shrink: 0;
    }
    .brand .ai-page-logo {
      max-height: 40px;
      width: auto;
    }
    .brand-text {
      font-weight: 700;
      font-size: 1.15rem;
      color: var(--c-primary);
      white-space: nowrap;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      flex-wrap: wrap;
    }
    .nav-links a {
      display: inline-block;
      padding: 0.5rem 1rem;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--c-text);
      border-radius: var(--radius-sm);
      transition: color var(--transition), background var(--transition);
      white-space: nowrap;
    }
    .nav-links a:hover {
      color: var(--c-primary);
      background: var(--c-primary-light);
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex-shrink: 0;
    }
    .nav-cta .btn {
      padding: 0.5rem 1.2rem;
      font-size: 0.85rem;
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      cursor: pointer;
      color: var(--c-primary);
      padding: 0.4rem;
      line-height: 1;
    }

    /* ===== Hero 首屏（无图片） ===== */
    .hero {
      position: relative;
      padding: 4rem 0 4.5rem;
      background: linear-gradient(160deg, #fdf0f5 0%, #fdf8f6 50%, #f7e6f0 100%);
      overflow: hidden;
    }
    .hero::before {
      content: "";
      position: absolute;
      top: -30%;
      right: -10%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(214, 51, 108, 0.18) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .hero::after {
      content: "";
      position: absolute;
      bottom: -20%;
      left: -5%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(123, 45, 142, 0.12) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.3fr 0.9fr;
      gap: 2.5rem;
      align-items: center;
    }
    .hero-content .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: #fff;
      border: 1px solid var(--c-border);
      padding: 0.35rem 1rem;
      border-radius: 999px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--c-primary);
      margin-bottom: 1.2rem;
      box-shadow: 0 4px 14px var(--c-shadow);
    }
    .hero-content h1 {
      margin-bottom: 1rem;
    }
    .hero-content h1 span {
      color: var(--c-primary);
    }
    .hero-desc {
      color: var(--c-text-soft);
      font-size: 1.05rem;
      max-width: 540px;
      margin-bottom: 1.6rem;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.9rem;
      margin-bottom: 2rem;
    }
    .hero-metrics {
      display: flex;
      flex-wrap: wrap;
      gap: 1.8rem 2.5rem;
    }
    .hero-metric strong {
      display: block;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--c-primary);
      line-height: 1.2;
    }
    .hero-metric span {
      font-size: 0.82rem;
      color: var(--c-text-soft);
    }
    .hero-visual {
      position: relative;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .hero-glass-card {
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid var(--c-border);
      backdrop-filter: blur(8px);
      border-radius: var(--radius-md);
      padding: 1.2rem 1.4rem;
      box-shadow: 0 10px 30px var(--c-shadow);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .hero-glass-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 40px rgba(214, 51, 108, 0.18);
    }
    .hero-glass-card h4 {
      font-size: 0.95rem;
      margin-bottom: 0.3rem;
      color: var(--c-text);
    }
    .hero-glass-card p {
      font-size: 0.82rem;
      color: var(--c-text-soft);
      margin: 0;
    }
    .hero-glass-tag {
      display: inline-block;
      background: var(--c-primary-light);
      color: var(--c-primary-dark);
      font-size: 0.72rem;
      padding: 0.1rem 0.6rem;
      border-radius: 999px;
      font-weight: 600;
      margin-bottom: 0.4rem;
    }

    /* ===== 通用区块 ===== */
    .section {
      padding: 4rem 0;
    }
    .section-alt {
      background: linear-gradient(180deg, #fff 0%, #fdf8f6 100%);
    }
    .section-pink {
      background: linear-gradient(135deg, #fce4ec 0%, #fdf0f5 100%);
    }

    /* ===== 关于我们 ===== */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
      align-items: start;
    }
    .about-text p {
      color: var(--c-text-soft);
      margin-bottom: 1rem;
    }
    .about-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }
    .about-highlight-item {
      background: var(--c-surface);
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 1.2rem;
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .about-highlight-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 24px var(--c-shadow);
    }
    .about-highlight-item h4 {
      font-size: 0.95rem;
      margin-bottom: 0.3rem;
      color: var(--c-primary);
    }
    .about-highlight-item p {
      font-size: 0.84rem;
      color: var(--c-text-soft);
      margin: 0;
    }

    /* ===== 数据指标卡片 ===== */
    .stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.2rem;
      margin-top: 2.5rem;
    }
    .stat-card {
      background: var(--c-surface);
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 1.5rem 1.2rem;
      text-align: center;
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px var(--c-shadow);
    }
    .stat-num {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--c-primary);
      line-height: 1.1;
    }
    .stat-label {
      font-size: 0.82rem;
      color: var(--c-text-soft);
      margin-top: 0.3rem;
    }

    /* ===== 服务能力卡片 ===== */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    .service-card {
      background: var(--c-surface);
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 1.6rem;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 36px var(--c-shadow);
      border-color: var(--c-primary);
    }
    .service-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--c-primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      color: var(--c-primary);
      font-weight: 700;
    }
    .service-card h3 {
      font-size: 1.05rem;
      margin: 0;
    }
    .service-card p {
      font-size: 0.88rem;
      color: var(--c-text-soft);
      margin: 0;
      flex: 1;
    }

    /* ===== 一站式制作 标签云 ===== */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 0.7rem;
      margin-top: 1.5rem;
    }
    .tag-pill {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: 999px;
      padding: 0.45rem 1.1rem;
      font-size: 0.85rem;
      color: var(--c-text);
      transition: background var(--transition), color var(--transition), transform var(--transition);
      cursor: default;
    }
    .tag-pill:hover {
      background: var(--c-primary);
      color: #fff;
      transform: translateY(-2px);
    }

    /* ===== 流程步骤 ===== */
    .steps-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      margin-top: 2rem;
    }
    .step-item {
      position: relative;
      background: #fff;
      border-radius: var(--radius-md);
      padding: 1.6rem 1.2rem;
      border: 1px solid var(--c-border);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .step-item:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px var(--c-shadow);
    }
    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--c-primary);
      color: #fff;
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 0.8rem;
    }
    .step-item h4 {
      font-size: 1rem;
      margin-bottom: 0.3rem;
    }
    .step-item p {
      font-size: 0.85rem;
      color: var(--c-text-soft);
      margin: 0;
    }

    /* ===== 对比评测 ===== */
    .compare-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 2rem;
      align-items: start;
      margin-top: 1.5rem;
    }
    .rating-card {
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 2rem;
      border: 2px solid var(--c-primary);
      box-shadow: 0 12px 32px var(--c-shadow);
      text-align: center;
    }
    .rating-stars {
      color: #f5a623;
      font-size: 1.8rem;
      letter-spacing: 0.1em;
      margin-bottom: 0.5rem;
    }
    .rating-score {
      font-size: 3rem;
      font-weight: 800;
      color: var(--c-primary);
      line-height: 1;
    }
    .rating-score small {
      font-size: 1.2rem;
      font-weight: 500;
      color: var(--c-text-soft);
    }
    .rating-label {
      font-size: 0.88rem;
      color: var(--c-text-soft);
      margin-top: 0.5rem;
    }
    .compare-table-wrap {
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--c-border);
      background: #fff;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.9rem;
      min-width: 520px;
    }
    .compare-table th,
    .compare-table td {
      padding: 0.9rem 1.1rem;
      text-align: left;
      border-bottom: 1px solid var(--c-border);
    }
    .compare-table th {
      background: #fdf0f5;
      font-weight: 700;
      color: var(--c-primary-dark);
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-table td:first-child {
      font-weight: 600;
      color: var(--c-text);
    }
    .compare-table .check {
      color: var(--c-primary);
      font-weight: 700;
    }

    /* ===== 案例展示 ===== */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      margin-top: 1.5rem;
    }
    .case-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--c-border);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 36px var(--c-shadow);
    }
    .case-img-wrap {
      aspect-ratio: 16 / 10;
      background: linear-gradient(135deg, #fce4ec, #fdf0f5);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--c-primary);
      font-weight: 600;
      font-size: 0.9rem;
      overflow: hidden;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }
    .case-body {
      padding: 1.2rem 1.3rem;
    }
    .case-body h4 {
      font-size: 1rem;
      margin-bottom: 0.3rem;
    }
    .case-body p {
      font-size: 0.84rem;
      color: var(--c-text-soft);
      margin: 0;
    }

    /* ===== 评论卡片 ===== */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      margin-top: 1.5rem;
    }
    .review-card {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 14px 30px var(--c-shadow);
    }
    .review-text {
      font-size: 0.9rem;
      color: var(--c-text-soft);
      flex: 1;
      line-height: 1.7;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 0.7rem;
    }
    .review-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--c-primary-light);
      color: var(--c-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }
    .review-name {
      font-weight: 600;
      font-size: 0.9rem;
    }
    .review-role {
      font-size: 0.78rem;
      color: var(--c-text-soft);
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 820px;
      margin: 1.5rem auto 0;
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: box-shadow var(--transition);
    }
    .faq-item:hover {
      box-shadow: 0 6px 20px var(--c-shadow);
    }
    .faq-question {
      width: 100%;
      background: none;
      border: none;
      text-align: left;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--c-text);
      padding: 1.1rem 1.4rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      transition: color var(--transition);
      font-family: var(--font-stack);
    }
    .faq-question:hover {
      color: var(--c-primary);
    }
    .faq-icon {
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--c-primary-light);
      color: var(--c-primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      font-weight: 700;
      transition: transform var(--transition);
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 1.4rem;
      color: var(--c-text-soft);
      font-size: 0.88rem;
      line-height: 1.75;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 1.4rem 1.2rem;
    }

    /* ===== 文章列表 ===== */
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
      margin-top: 1.5rem;
    }
    .article-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-sm);
      padding: 1rem 1.4rem;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .article-item:hover {
      transform: translateX(6px);
      box-shadow: 0 8px 22px var(--c-shadow);
      border-color: var(--c-primary);
    }
    .article-title {
      font-weight: 600;
      font-size: 0.92rem;
      color: var(--c-text);
    }
    .article-link {
      color: var(--c-primary);
      font-size: 0.84rem;
      font-weight: 600;
      flex-shrink: 0;
    }

    /* ===== 表单 ===== */
    .form-section {
      background: linear-gradient(140deg, #fce4ec 0%, #fdf8f6 100%);
    }
    .form-wrapper {
      max-width: 680px;
      margin: 1.5rem auto 0;
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 2rem;
      box-shadow: 0 16px 40px var(--c-shadow);
      border: 1px solid var(--c-border);
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.2rem;
    }
    .form-full {
      grid-column: 1 / -1;
    }
    .form-field {
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
    }
    .form-field label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--c-text);
    }
    .form-field input,
    .form-field select,
    .form-field textarea {
      font-family: var(--font-stack);
      font-size: 0.9rem;
      padding: 0.7rem 1rem;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-sm);
      background: #fdfafb;
      color: var(--c-text);
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus {
      outline: none;
      border-color: var(--c-primary);
      box-shadow: 0 0 0 3px rgba(214, 51, 108, 0.12);
    }
    .form-field textarea {
      resize: vertical;
      min-height: 90px;
    }
    .form-submit {
      margin-top: 1.5rem;
      width: 100%;
    }

    /* ===== 联系 / 页脚 ===== */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
      align-items: start;
    }
    .contact-info h3 {
      margin-bottom: 1rem;
    }
    .contact-line {
      display: flex;
      align-items: flex-start;
      gap: 0.8rem;
      margin-bottom: 0.9rem;
      font-size: 0.9rem;
      color: var(--c-text-soft);
    }
    .contact-line strong {
      color: var(--c-text);
      min-width: 90px;
      display: inline-block;
    }
    .qrcode-box {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.6rem;
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      text-align: center;
    }
    .qrcode-box img {
      width: 150px;
      height: 150px;
      object-fit: contain;
      border-radius: 8px;
    }
    .qrcode-box p {
      font-size: 0.84rem;
      color: var(--c-text-soft);
      margin: 0;
    }

    .site-footer {
      background: #2d1b2e;
      color: #f5e6ed;
      padding: 3rem 0 1.5rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 2rem;
    }
    .footer-col h4 {
      font-size: 0.95rem;
      color: #fff;
      margin-bottom: 1rem;
    }
    .footer-col p,
    .footer-col a {
      font-size: 0.84rem;
      color: #d4bcc8;
      line-height: 1.9;
    }
    .footer-col a:hover {
      color: #fff;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 0.3rem;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.12);
      margin-top: 2rem;
      padding-top: 1.2rem;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 0.5rem;
      font-size: 0.8rem;
      color: #b89aaa;
    }
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem 1.2rem;
      margin-top: 0.5rem;
    }
    .friend-links a {
      font-size: 0.8rem;
      color: #c9a8ba;
    }
    .friend-links a:hover {
      color: #fff;
    }

    /* ===== 浮动客服 ===== */
    .float-contact {
      position: fixed;
      right: 1.2rem;
      bottom: 1.8rem;
      z-index: 200;
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: none;
      background: var(--c-primary);
      color: #fff;
      font-size: 1.2rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 20px rgba(214, 51, 108, 0.35);
      transition: transform var(--transition), background var(--transition);
    }
    .float-btn:hover {
      transform: scale(1.08);
      background: var(--c-primary-dark);
    }
    .float-qr-pop {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 0.8rem;
      box-shadow: 0 12px 30px var(--c-shadow);
      display: none;
    }
    .float-qr-pop img {
      width: 130px;
      height: 130px;
      object-fit: contain;
    }
    .float-qr-pop.show {
      display: block;
    }

    /* ===== 滚动渐入 ===== */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .hero-inner { grid-template-columns: 1fr; }
      .hero-visual { flex-direction: row; flex-wrap: wrap; }
      .hero-glass-card { flex: 1 1 200px; }
      .about-grid { grid-template-columns: 1fr; }
      .compare-wrapper { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .cards-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-row { grid-template-columns: repeat(2, 1fr); }
      .stats-row { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(253, 248, 246, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--c-border);
        gap: 0.2rem;
        box-shadow: 0 12px 24px rgba(0,0,0,0.06);
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 0.7rem 1rem;
      }
      .mobile-toggle { display: block; }
      .nav-cta .btn { display: none; }
      .hero { padding: 2.5rem 0 3rem; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .hero-actions .btn { width: 100%; }
      .hero-metrics { gap: 1.2rem; }
      .hero-visual { flex-direction: column; }
      .stats-row { grid-template-columns: 1fr 1fr; }
      .cards-grid { grid-template-columns: 1fr; }
      .steps-row { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .about-highlights { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .form-wrapper { padding: 1.4rem; }
      .section { padding: 2.8rem 0; }
      .contact-info .contact-line { flex-direction: column; gap: 0.1rem; }
      .contact-line strong { min-width: auto; }
    }
    @media (max-width: 480px) {
      .hero-content h1 { font-size: 1.7rem; }
      .stat-num { font-size: 1.5rem; }
      .rating-score { font-size: 2.4rem; }
      .container { width: calc(100% - 2rem); }
    }