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

    :root {
      --color-bg: #fdfaf5;
      --color-surface: #ffffff;
      --color-primary: #7c3aed;
      --color-primary-soft: #ede9fe;
      --color-accent: #f59e0b;
      --color-pink: #ec4899;
      --color-teal: #0d9488;
      --color-text: #1e293b;
      --color-text-secondary: #475569;
      --color-border: #e2e8f0;
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 10px;
      --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 16px 40px rgba(124, 58, 237, 0.12);
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--color-bg);
      color: var(--color-text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    ul {
      list-style: none;
    }

    /* 统一容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部彩条装饰 */
    .rainbow-bar {
      height: 4px;
      background: linear-gradient(90deg, #f59e0b, #ec4899, #7c3aed, #0d9488, #3b82f6);
      background-size: 300% 100%;
      animation: rainbowMove 8s linear infinite;
    }

    @keyframes rainbowMove {
      0% { background-position: 0% 50%; }
      100% { background-position: 100% 50%; }
    }

    /* 导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(253, 250, 245, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 68px;
      flex-wrap: wrap;
      gap: 8px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 1.15rem;
      color: var(--color-text);
      flex-shrink: 0;
    }

    .brand img {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      object-fit: contain;
    }

    .brand span {
      background: linear-gradient(135deg, #7c3aed, #ec4899);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

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

    .nav-links a {
      padding: 6px 12px;
      font-size: 0.88rem;
      color: var(--color-text-secondary);
      border-radius: 6px;
      transition: color 0.2s, background 0.2s;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 18px;
      background: linear-gradient(135deg, #7c3aed, #6d28d9);
      color: #fff !important;
      border-radius: 50px;
      font-size: 0.88rem;
      font-weight: 600;
      transition: transform 0.2s, box-shadow 0.2s;
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
      flex-shrink: 0;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(124, 58, 237, 0.4);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .menu-toggle span {
      width: 24px;
      height: 2.5px;
      background: var(--color-text);
      border-radius: 2px;
      transition: 0.3s;
    }

    .menu-toggle.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }
    .menu-toggle.active span:nth-child(2) {
      opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
      transform: rotate(-45deg) translate(5px, -5px);
    }

    /* Hero 首屏 - 无图片 */
    .hero {
      position: relative;
      padding: 80px 0 70px;
      overflow: hidden;
      background: var(--color-bg);
    }

    .hero-bg-shape {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      opacity: 0.25;
      pointer-events: none;
      z-index: 0;
    }

    .hero-shape-1 {
      width: 480px;
      height: 480px;
      background: #a78bfa;
      top: -120px;
      right: -100px;
      animation: floatShape 12s ease-in-out infinite;
    }

    .hero-shape-2 {
      width: 360px;
      height: 360px;
      background: #f9a8d4;
      bottom: -80px;
      left: -60px;
      animation: floatShape 14s ease-in-out infinite reverse;
    }

    .hero-shape-3 {
      width: 280px;
      height: 280px;
      background: #fcd34d;
      top: 40%;
      left: 30%;
      animation: floatShape 16s ease-in-out infinite;
      opacity: 0.15;
    }

    @keyframes floatShape {
      0%, 100% { transform: translate(0, 0) scale(1); }
      50% { transform: translate(30px, -30px) scale(1.08); }
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .hero-text h1 {
      font-size: 2.6rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.5px;
      margin-bottom: 20px;
      color: var(--color-text);
    }

    .hero-text h1 .gradient-text {
      background: linear-gradient(135deg, #7c3aed, #ec4899, #f59e0b);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-desc {
      font-size: 1.05rem;
      color: var(--color-text-secondary);
      margin-bottom: 32px;
      line-height: 1.8;
      max-width: 520px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 34px;
      background: linear-gradient(135deg, #7c3aed, #6d28d9);
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 50px;
      border: none;
      cursor: pointer;
      transition: transform 0.25s, box-shadow 0.25s;
      box-shadow: 0 6px 20px rgba(124, 58, 237, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 30px rgba(124, 58, 237, 0.45);
    }

    .btn-primary:active {
      transform: translateY(0);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 30px;
      background: transparent;
      color: var(--color-primary);
      font-size: 1rem;
      font-weight: 600;
      border-radius: 50px;
      border: 2px solid var(--color-primary);
      cursor: pointer;
      transition: background 0.25s, color 0.25s, transform 0.25s;
    }

    .btn-outline:hover {
      background: var(--color-primary);
      color: #fff;
      transform: translateY(-3px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .stat-card-mini {
      background: var(--color-surface);
      border-radius: var(--radius-sm);
      padding: 16px 12px;
      text-align: center;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--color-border);
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .stat-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--color-primary);
      line-height: 1.2;
    }

    .stat-num span {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--color-text-secondary);
    }

    .stat-label {
      font-size: 0.8rem;
      color: var(--color-text-secondary);
      margin-top: 4px;
    }

    .hero-visual {
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .hero-card-stack {
      position: relative;
      width: 100%;
      max-width: 420px;
    }

    .hero-floating-card {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
      border: 1px solid var(--color-border);
      transition: transform 0.3s, box-shadow 0.3s;
      animation: cardFloat 6s ease-in-out infinite;
    }

    .hero-floating-card:nth-child(2) {
      margin-top: 20px;
      margin-left: 40px;
      animation-delay: -2s;
    }

    .hero-floating-card:nth-child(3) {
      margin-top: -20px;
      margin-left: 80px;
      animation-delay: -4s;
    }

    @keyframes cardFloat {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }

    .hero-floating-card:hover {
      box-shadow: var(--shadow-hover);
    }

    .floating-card-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .floating-card-icon.purple { background: #ede9fe; color: #7c3aed; }
    .floating-card-icon.pink { background: #fce7f3; color: #ec4899; }
    .floating-card-icon.amber { background: #fef3c7; color: #d97706; }

    .floating-card-title {
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 4px;
    }

    .floating-card-desc {
      font-size: 0.82rem;
      color: var(--color-text-secondary);
    }

    /* 通用区块 */
    .section {
      padding: 80px 0;
    }

    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-tag {
      display: inline-block;
      padding: 6px 18px;
      border-radius: 50px;
      font-size: 0.82rem;
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .section-tag.purple { background: #ede9fe; color: #6d28d9; }
    .section-tag.pink { background: #fce7f3; color: #be185d; }
    .section-tag.amber { background: #fef3c7; color: #b45309; }
    .section-tag.teal { background: #ccfbf1; color: #0f766e; }
    .section-tag.blue { background: #dbeafe; color: #1d4ed8; }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--color-text);
      margin-bottom: 12px;
      letter-spacing: -0.3px;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--color-text-secondary);
      max-width: 620px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* 关于我们 & 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: start;
    }

    .about-text p {
      color: var(--color-text-secondary);
      margin-bottom: 16px;
      line-height: 1.8;
      font-size: 0.98rem;
    }

    .about-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 24px;
    }

    .highlight-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.9rem;
      color: var(--color-text);
    }

    .highlight-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      margin-top: 7px;
      flex-shrink: 0;
    }

    .highlight-dot.p1 { background: #7c3aed; }
    .highlight-dot.p2 { background: #ec4899; }
    .highlight-dot.p3 { background: #f59e0b; }
    .highlight-dot.p4 { background: #0d9488; }

    .about-cards {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .about-info-card {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .about-info-card h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .about-info-card p {
      font-size: 0.88rem;
      color: var(--color-text-secondary);
      line-height: 1.7;
    }

    /* 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: #c4b5fd;
    }

    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 16px;
    }

    .service-icon.c1 { background: #ede9fe; }
    .service-icon.c2 { background: #fce7f3; }
    .service-icon.c3 { background: #fef3c7; }
    .service-icon.c4 { background: #ccfbf1; }
    .service-icon.c5 { background: #dbeafe; }
    .service-icon.c6 { background: #fef2f2; }

    .service-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--color-text-secondary);
      line-height: 1.7;
    }

    /* 流程步骤 */
    .steps-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      counter-reset: step;
    }

    .step-item {
      position: relative;
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7c3aed, #a78bfa);
      color: #fff;
      font-weight: 700;
      font-size: 0.9rem;
      margin-bottom: 14px;
    }

    .step-item h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .step-item p {
      font-size: 0.85rem;
      color: var(--color-text-secondary);
      line-height: 1.7;
    }

    /* 对比评测 */
    .compare-wrapper {
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
    }

    .score-banner {
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
      padding-bottom: 28px;
      margin-bottom: 28px;
      border-bottom: 1px solid var(--color-border);
    }

    .score-big {
      font-size: 3.2rem;
      font-weight: 800;
      background: linear-gradient(135deg, #f59e0b, #ec4899);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      line-height: 1;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .score-desc {
      font-size: 0.9rem;
      color: var(--color-text-secondary);
    }

    .compare-table-wrap {
      overflow-x: auto;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.9rem;
      min-width: 620px;
    }

    .compare-table th {
      text-align: left;
      padding: 14px 16px;
      background: #f8fafc;
      font-weight: 700;
      color: var(--color-text);
      border-bottom: 2px solid var(--color-border);
      white-space: nowrap;
    }

    .compare-table td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--color-border);
      color: var(--color-text-secondary);
      vertical-align: top;
    }

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

    .compare-table .highlight-cell {
      color: var(--color-primary);
      font-weight: 700;
    }

    .compare-table .star-cell {
      color: #f59e0b;
      white-space: nowrap;
    }

    /* 客户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 26px 24px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s, box-shadow 0.25s;
      display: flex;
      flex-direction: column;
    }

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

    .review-stars {
      color: #f59e0b;
      font-size: 0.9rem;
      letter-spacing: 2px;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.9rem;
      color: var(--color-text-secondary);
      line-height: 1.75;
      flex: 1;
      margin-bottom: 18px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--color-border);
      padding-top: 16px;
    }

    .review-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      color: #fff;
      flex-shrink: 0;
    }

    .review-avatar.a1 { background: #7c3aed; }
    .review-avatar.a2 { background: #ec4899; }
    .review-avatar.a3 { background: #f59e0b; }
    .review-avatar.a4 { background: #0d9488; }
    .review-avatar.a5 { background: #3b82f6; }
    .review-avatar.a6 { background: #8b5cf6; }

    .review-name {
      font-weight: 700;
      font-size: 0.9rem;
    }

    .review-role {
      font-size: 0.78rem;
      color: #94a3b8;
    }

    /* 案例 & 素材 */
    .case-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 28px;
    }

    .case-card-main {
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s, box-shadow 0.25s;
      display: flex;
      flex-direction: column;
    }

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

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #f1f5f9;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }

    .case-card-main:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-body {
      padding: 22px 24px;
    }

    .case-body h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 0.88rem;
      color: var(--color-text-secondary);
      line-height: 1.7;
    }

    .case-side {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .case-side-card {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .case-side-img {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #f1f5f9;
    }

    .case-side-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }

    .case-side-card:hover .case-side-img img {
      transform: scale(1.04);
    }

    .case-side-body {
      padding: 16px 20px;
    }

    .case-side-body h3 {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .case-side-body p {
      font-size: 0.82rem;
      color: var(--color-text-secondary);
    }

    /* 标签云 & 模型列表 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .tag-item {
      padding: 8px 18px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: 50px;
      font-size: 0.82rem;
      color: var(--color-text-secondary);
      transition: all 0.25s;
      cursor: default;
    }

    .tag-item:hover {
      background: var(--color-primary-soft);
      border-color: #c4b5fd;
      color: var(--color-primary);
      transform: translateY(-2px);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--color-surface);
      border-radius: var(--radius-sm);
      border: 1px solid var(--color-border);
      overflow: hidden;
      transition: box-shadow 0.25s, border-color 0.25s;
    }

    .faq-item:hover {
      border-color: #c4b5fd;
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 18px 22px;
      cursor: pointer;
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--color-text);
      background: transparent;
      border: none;
      width: 100%;
      text-align: left;
      font-family: inherit;
      transition: background 0.2s;
    }

    .faq-question:hover {
      background: #faf5ff;
    }

    .faq-question::after {
      content: "+";
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--color-primary);
      flex-shrink: 0;
      transition: transform 0.3s;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }

    .faq-answer-inner {
      padding: 0 22px 18px;
      font-size: 0.88rem;
      color: var(--color-text-secondary);
      line-height: 1.8;
    }

    /* Token 比价 & 价格参考 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 2px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
      display: flex;
      flex-direction: column;
    }

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

    .price-card.featured {
      border-color: #7c3aed;
      position: relative;
    }

    .price-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, #7c3aed, #ec4899);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: 50px;
      white-space: nowrap;
    }

    .price-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .price-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--color-primary);
      margin-bottom: 4px;
    }

    .price-value span {
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--color-text-secondary);
    }

    .price-desc {
      font-size: 0.82rem;
      color: var(--color-text-secondary);
      margin-bottom: 18px;
      line-height: 1.6;
    }

    .price-features {
      flex: 1;
      margin-bottom: 20px;
    }

    .price-features li {
      font-size: 0.85rem;
      color: var(--color-text-secondary);
      padding: 5px 0;
      display: flex;
      align-items: flex-start;
      gap: 8px;
      line-height: 1.5;
    }

    .price-features li::before {
      content: "✓";
      color: var(--color-teal);
      font-weight: 700;
      flex-shrink: 0;
    }

    .price-btn {
      display: block;
      text-align: center;
      padding: 12px 20px;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-weight: 600;
      border-radius: 50px;
      font-size: 0.9rem;
      transition: background 0.25s, color 0.25s, transform 0.25s;
      border: none;
      cursor: pointer;
    }

    .price-btn:hover {
      background: var(--color-primary);
      color: #fff;
      transform: translateY(-2px);
    }

    /* 文章 & 资讯 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .article-card {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s, box-shadow 0.25s;
      display: flex;
      flex-direction: column;
    }

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

    .article-tag {
      display: inline-block;
      padding: 3px 12px;
      border-radius: 50px;
      font-size: 0.72rem;
      font-weight: 600;
      margin-bottom: 12px;
      align-self: flex-start;
    }

    .article-tag.t1 { background: #ede9fe; color: #6d28d9; }
    .article-tag.t2 { background: #fce7f3; color: #be185d; }
    .article-tag.t3 { background: #fef3c7; color: #b45309; }

    .article-card h3 {
      font-size: 0.98rem;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.5;
    }

    .article-card p {
      font-size: 0.85rem;
      color: var(--color-text-secondary);
      line-height: 1.7;
      flex: 1;
      margin-bottom: 14px;
    }

    .article-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: gap 0.25s;
    }

    .article-link:hover {
      gap: 8px;
    }

    /* 表单 */
    .form-section {
      background: linear-gradient(160deg, #faf5ff 0%, #fdf2f8 50%, #fff7ed 100%);
    }

    .form-card {
      max-width: 720px;
      margin: 0 auto;
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      padding: 40px 36px;
      border: 1px solid var(--color-border);
      box-shadow: 0 12px 40px rgba(124, 58, 237, 0.08);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-bottom: 18px;
    }

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

    .form-group.full {
      grid-column: 1 / -1;
    }

    .form-group label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-text);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      padding: 12px 16px;
      border: 1.5px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-family: inherit;
      color: var(--color-text);
      background: #fcfcfd;
      transition: border-color 0.25s, box-shadow 0.25s;
      outline: none;
      width: 100%;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: #a78bfa;
      box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.15);
    }

    .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }

    .form-submit {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 40px;
      background: linear-gradient(135deg, #7c3aed, #6d28d9);
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 50px;
      border: none;
      cursor: pointer;
      transition: transform 0.25s, box-shadow 0.25s;
      box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
      margin-top: 8px;
    }

    .form-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(124, 58, 237, 0.4);
    }

    /* 联系我们 / footer区域 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: start;
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 18px 22px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s, box-shadow 0.25s;
    }

    .contact-item:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-hover);
    }

    .contact-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .contact-icon.purple { background: #ede9fe; }
    .contact-icon.pink { background: #fce7f3; }
    .contact-icon.amber { background: #fef3c7; }
    .contact-icon.teal { background: #ccfbf1; }

    .contact-item-text h4 {
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .contact-item-text p {
      font-size: 0.85rem;
      color: var(--color-text-secondary);
      line-height: 1.6;
    }

    .qrcode-card {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      text-align: center;
    }

    .qrcode-card img {
      width: 180px;
      height: 180px;
      object-fit: contain;
      border-radius: 12px;
      border: 1px solid var(--color-border);
      margin-bottom: 14px;
    }

    .qrcode-card h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .qrcode-card p {
      font-size: 0.82rem;
      color: var(--color-text-secondary);
    }

    /* 友情链接 */
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }

    .friend-links a {
      padding: 8px 18px;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: 50px;
      font-size: 0.82rem;
      color: var(--color-text-secondary);
      transition: all 0.25s;
    }

    .friend-links a:hover {
      background: var(--color-primary-soft);
      border-color: #c4b5fd;
      color: var(--color-primary);
      transform: translateY(-2px);
    }

    /* Footer */
    .site-footer {
      background: #1e1b2e;
      color: #cbd5e1;
      padding: 48px 0 24px;
      margin-top: 0;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-brand .brand-text {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
    }

    .footer-brand p {
      font-size: 0.85rem;
      color: #94a3b8;
      line-height: 1.7;
      max-width: 320px;
    }

    .footer-col h4 {
      font-size: 0.9rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col ul li a {
      font-size: 0.85rem;
      color: #94a3b8;
      transition: color 0.2s;
    }

    .footer-col ul li a:hover {
      color: #c4b5fd;
    }

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.8rem;
      color: #64748b;
    }

    .footer-bottom a {
      color: #94a3b8;
      transition: color 0.2s;
    }

    .footer-bottom a:hover {
      color: #c4b5fd;
    }

    /* 浮动客服 & 返回顶部 */
    .float-actions {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 200;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      border: none;
      cursor: pointer;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
      transition: transform 0.25s, box-shadow 0.25s;
      background: var(--color-surface);
      color: var(--color-text);
    }

    .float-btn:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
    }

    .float-btn.kefu {
      background: linear-gradient(135deg, #7c3aed, #6d28d9);
      color: #fff;
    }

    .float-btn.top {
      background: var(--color-surface);
      color: var(--color-primary);
      border: 1px solid var(--color-border);
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s, visibility 0.3s, transform 0.25s;
    }

    .float-btn.top.show {
      opacity: 1;
      visibility: visible;
    }

    /* 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: 992px) {
      .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .hero-text h1 {
        font-size: 2.1rem;
      }

      .hero-visual {
        order: -1;
      }

      .hero-floating-card:nth-child(2) {
        margin-left: 20px;
      }
      .hero-floating-card:nth-child(3) {
        margin-left: 40px;
      }

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

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

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

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

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

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

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

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

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

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-surface);
        flex-direction: column;
        padding: 16px 20px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
      }

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

      .nav-links a {
        padding: 10px 14px;
        width: 100%;
        border-radius: 8px;
      }

      .nav-cta {
        display: none;
      }

      .menu-toggle {
        display: flex;
      }

      .hero {
        padding: 50px 0 40px;
      }

      .hero-text h1 {
        font-size: 1.75rem;
      }

      .hero-desc {
        font-size: 0.95rem;
      }

      .hero-stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
      }

      .stat-num {
        font-size: 1.25rem;
      }

      .stat-label {
        font-size: 0.72rem;
      }

      .section {
        padding: 56px 0;
      }

      .section-title {
        font-size: 1.5rem;
      }

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

      .steps-list {
        grid-template-columns: 1fr;
      }

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

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

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

      .form-card {
        padding: 28px 20px;
      }

      .form-row {
        grid-template-columns: 1fr;
        gap: 14px;
      }

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

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }

      .compare-wrapper {
        padding: 24px 18px;
      }

      .score-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }

      .about-highlights {
        grid-template-columns: 1fr;
      }

      .hero-floating-card:nth-child(2) {
        margin-left: 12px;
      }
      .hero-floating-card:nth-child(3) {
        margin-left: 24px;
      }

      .float-actions {
        right: 14px;
        bottom: 20px;
      }

      .float-btn {
        width: 42px;
        height: 42px;
        font-size: 1rem;
      }
    }

    @media (max-width: 480px) {
      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn-primary,
      .btn-outline {
        justify-content: center;
      }

      .hero-stats-grid {
        grid-template-columns: 1fr 1fr 1fr;
      }
    }