:root {
      --bg-main: #fdfbf7;
      --bg-card: #ffffff;
      --bg-accent-pink: #fff0f5;
      --bg-accent-blue: #f0f7ff;
      --bg-accent-yellow: #fffbf0;
      --bg-accent-green: #f2fbf6;
      --bg-accent-purple: #f8f4ff;
      --primary: #ff477e;
      --primary-hover: #ff2a66;
      --secondary: #6366f1;
      --accent-coral: #ff6b6b;
      --accent-mint: #06d6a0;
      --accent-amber: #ffb703;
      --accent-sky: #0ea5e9;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-color: #f1e4eb;
      --border-candy: #ffd2e0;
      --shadow-sm: 0 4px 12px rgba(255, 110, 150, 0.06);
      --shadow-md: 0 10px 25px rgba(230, 90, 130, 0.1);
      --shadow-lg: 0 20px 35px rgba(230, 90, 130, 0.14);
      --radius-sm: 10px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --radius-full: 9999px;
      --transition: all 0.28s ease;
    }

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

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

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
      line-height: 1.6;
      overflow-x: hidden;
      min-height: 100vh;
      background-image: 
        radial-gradient(circle at 10% 15%, rgba(255, 182, 193, 0.25) 0%, transparent 40%),
        radial-gradient(circle at 90% 40%, rgba(186, 230, 253, 0.3) 0%, transparent 45%),
        radial-gradient(circle at 20% 85%, rgba(254, 240, 138, 0.25) 0%, transparent 40%),
        radial-gradient(circle at 80% 90%, rgba(221, 214, 254, 0.3) 0%, transparent 45%);
      background-attachment: fixed;
    }

    a {
      color: var(--secondary);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: var(--primary);
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-candy);
      box-shadow: 0 4px 20px rgba(255, 107, 107, 0.05);
    }

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

    .brand-group {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
      border-radius: var(--radius-sm);
    }

    .brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: #ff3366;
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      display: block;
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 600;
      color: #334155;
      border-radius: var(--radius-full);
      transition: var(--transition);
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: var(--bg-accent-pink);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .btn-candy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.92rem;
      font-weight: 700;
      color: #ffffff !important;
      background: linear-gradient(135deg, #ff477e 0%, #ff70a6 100%);
      border: none;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px rgba(255, 71, 126, 0.35);
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
      white-space: nowrap;
    }

    .btn-candy:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 71, 126, 0.45);
      background: linear-gradient(135deg, #ff2a66 0%, #ff528e 100%);
    }

    .btn-candy-sub {
      background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
      box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
    }
    .btn-candy-sub:hover {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    }

    .btn-candy-outline {
      background: #ffffff;
      color: #475569 !important;
      border: 2px solid #e2e8f0;
      box-shadow: none;
    }
    .btn-candy-outline:hover {
      border-color: var(--primary);
      color: var(--primary) !important;
      background: var(--bg-accent-pink);
      transform: translateY(-2px);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 章节通用 */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 48px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 6px 16px;
      font-size: 0.84rem;
      font-weight: 700;
      color: #ff3366;
      background: #ffe6ee;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      border: 1px solid rgba(255, 51, 102, 0.15);
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: #475569;
      line-height: 1.7;
    }

    /* 首屏 HERO (无图片) */
    .hero-section {
      padding: 70px 0 60px 0;
      text-align: center;
      position: relative;
    }

    .hero-badge-wrap {
      margin-bottom: 20px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 20px;
      background: #ffffff;
      border: 2px solid #ffd3e2;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
      font-size: 0.95rem;
      font-weight: 700;
      color: #d81159;
      animation: pulseSoft 3s infinite ease-in-out;
    }

    @keyframes pulseSoft {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.03); }
    }

    .hero-title {
      font-size: 3.2rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -1px;
    }

    .hero-title span {
      background: linear-gradient(120deg, #ff2a66 0%, #8b5cf6 50%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: #334155;
      max-width: 820px;
      margin: 0 auto 34px auto;
      font-weight: 500;
    }

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

    .hero-cta-main {
      padding: 15px 38px;
      font-size: 1.12rem;
      box-shadow: 0 8px 25px rgba(255, 71, 126, 0.4);
    }

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

    .hero-stat-card {
      background: rgba(255, 255, 255, 0.85);
      border: 2px solid #ffffff;
      border-radius: var(--radius-lg);
      padding: 24px 18px;
      box-shadow: var(--shadow-md);
      transition: var(--transition);
      backdrop-filter: blur(8px);
    }

    .hero-stat-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: #ffd2e0;
    }

    .hero-stat-num {
      font-size: 2.1rem;
      font-weight: 900;
      color: #ff3366;
      margin-bottom: 4px;
    }
    .hero-stat-card:nth-child(2) .hero-stat-num { color: #6366f1; }
    .hero-stat-card:nth-child(3) .hero-stat-num { color: #0ea5e9; }
    .hero-stat-card:nth-child(4) .hero-stat-num { color: #10b981; }

    .hero-stat-label {
      font-size: 0.92rem;
      font-weight: 700;
      color: #475569;
    }

    .hero-stat-desc {
      font-size: 0.8rem;
      color: #64748b;
      margin-top: 4px;
    }

    /* 糖果卡片组件 */
    .card-candy {
      background: #ffffff;
      border: 2px solid #fff5f8;
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .card-candy:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #ffe0eb;
    }

    /* 平台介绍 & 关于我们 */
    .grid-about {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: stretch;
    }

    .about-info-box {
      background: #ffffff;
      border: 2px solid #ffe8f0;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .about-info-box h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 18px;
    }

    .about-feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-top: 20px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.96rem;
      color: #334155;
    }

    .pill-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: #ffe4ee;
      color: #ff3366;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: bold;
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* 模型矩阵 */
    .model-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-badge {
      padding: 8px 18px;
      background: #ffffff;
      border: 1.5px solid #e0e7ff;
      border-radius: var(--radius-full);
      font-size: 0.92rem;
      font-weight: 700;
      color: #4338ca;
      box-shadow: 0 2px 8px rgba(99, 102, 241, 0.08);
      transition: var(--transition);
    }

    .model-badge:hover {
      background: #6366f1;
      color: #ffffff;
      border-color: #6366f1;
      transform: translateY(-3px) scale(1.05);
    }

    /* 一站式创作主打场景网格 */
    .grid-scene {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scene-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .scene-badge-num {
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      box-shadow: 0 4px 10px rgba(255, 117, 140, 0.35);
    }

    .scene-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #1e293b;
    }

    .scene-desc {
      font-size: 0.92rem;
      color: #475569;
      line-height: 1.65;
      flex-grow: 1;
    }

    .scene-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 16px;
    }

    .scene-sub-tag {
      font-size: 0.76rem;
      font-weight: 700;
      padding: 3px 10px;
      background: #f1f5f9;
      color: #475569;
      border-radius: var(--radius-full);
    }

    /* 行业方案 */
    .grid-solution {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .sol-card {
      background: #ffffff;
      border: 2px solid #eef2f6;
      border-radius: var(--radius-lg);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }

    .sol-card:hover {
      border-color: #38bdf8;
      transform: translateY(-5px);
      box-shadow: 0 12px 25px rgba(56, 189, 248, 0.15);
    }

    .sol-icon-box {
      width: 58px;
      height: 58px;
      border-radius: 20px;
      background: #e0f2fe;
      color: #0284c7;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 900;
      margin: 0 auto 16px auto;
    }

    .sol-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .sol-card p {
      font-size: 0.88rem;
      color: #64748b;
      line-height: 1.6;
    }

    /* 案例展示区 (含素材图片) */
    .grid-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .gallery-card {
      background: #ffffff;
      border: 2px solid #fce7f3;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .gallery-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #fbcfe8;
    }

    .img-wrapper {
      width: 100%;
      background: #f8fafc;
      overflow: hidden;
      position: relative;
    }

    .img-wrapper-wide {
      aspect-ratio: 16 / 9;
    }

    .img-wrapper-square {
      aspect-ratio: 1 / 1;
    }

    .ai-page-image, .media-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .gallery-card:hover .ai-page-image,
    .gallery-card:hover .media-img {
      transform: scale(1.04);
    }

    .gallery-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .gallery-body h4 {
      font-size: 1.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .gallery-body p {
      font-size: 0.88rem;
      color: #475569;
      line-height: 1.6;
    }

    /* 对比评测专属板块 */
    .review-score-banner {
      background: linear-gradient(135deg, #fff1f5 0%, #f3e8ff 100%);
      border: 3px solid #ffccd8;
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--shadow-md);
    }

    .review-score-left {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-badge-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ff3366 0%, #ff6b8b 100%);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.4);
      flex-shrink: 0;
    }

    .score-num {
      font-size: 2.2rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.72rem;
      font-weight: 700;
      opacity: 0.9;
    }

    .score-details h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .stars-box {
      color: #f59e0b;
      font-size: 1.3rem;
      letter-spacing: 2px;
      font-weight: 900;
    }

    .table-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid #f1f5f9;
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

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

    .compare-table th, .compare-table td {
      padding: 18px 22px;
      font-size: 0.92rem;
      border-bottom: 1px solid #f1f5f9;
    }

    .compare-table th {
      background: #f8fafc;
      color: #0f172a;
      font-weight: 800;
    }

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

    .compare-table .highlight-col {
      background: #fff8fa;
      color: #d81159;
      font-weight: 700;
    }

    /* 需求匹配与表单 */
    .grid-contact-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: stretch;
    }

    .form-candy-box {
      background: #ffffff;
      border: 2px solid #ffe3ec;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: #334155;
      margin-bottom: 8px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      color: #1e293b;
      background: #f8fafc;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      transition: var(--transition);
      outline: none;
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      background: #ffffff;
      border-color: #ff477e;
      box-shadow: 0 0 0 4px rgba(255, 71, 126, 0.12);
    }

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

    .btn-submit {
      width: 100%;
      padding: 14px;
      font-size: 1.05rem;
      margin-top: 10px;
    }

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

    .price-card {
      background: #ffffff;
      border: 2px solid #f1f5f9;
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .price-card.featured {
      border: 3px solid #ff477e;
      box-shadow: 0 12px 30px rgba(255, 71, 126, 0.18);
      transform: scale(1.02);
    }

    .price-ribbon {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, #ff477e 0%, #ff70a6 100%);
      color: #ffffff;
      padding: 4px 18px;
      border-radius: var(--radius-full);
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      box-shadow: 0 4px 10px rgba(255, 71, 126, 0.35);
    }

    .price-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 12px;
    }

    .price-value {
      font-size: 2.4rem;
      font-weight: 900;
      color: #ff3366;
      margin-bottom: 6px;
    }

    .price-card.featured .price-value {
      color: #ff2a66;
    }

    .price-unit {
      font-size: 0.85rem;
      color: #64748b;
      margin-bottom: 22px;
    }

    .price-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      text-align: left;
      margin-bottom: 28px;
      font-size: 0.92rem;
      color: #334155;
      flex-grow: 1;
    }

    /* 标准流程与服务网络 */
    .grid-process {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .process-card {
      background: #ffffff;
      border: 2px dashed #fed7aa;
      border-radius: var(--radius-lg);
      padding: 24px;
      text-align: center;
      position: relative;
    }

    .process-step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #fff7ed;
      color: #ea580c;
      border: 2px solid #fdba74;
      font-size: 1.1rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px auto;
    }

    .process-card h4 {
      font-size: 1.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .process-card p {
      font-size: 0.86rem;
      color: #64748b;
      line-height: 1.6;
    }

    /* 客户评论 6 条 */
    .grid-reviews {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 2px solid #f1f5f9;
      border-radius: var(--radius-lg);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .review-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #fbcfe8;
    }

    .review-stars {
      color: #f59e0b;
      font-size: 1rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.94rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f8fafc;
      padding-top: 14px;
    }

    .author-avatar-pill {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #a78bfa 0%, #f472b6 100%);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .author-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
    }

    .author-role {
      font-size: 0.78rem;
      color: #64748b;
    }

    /* FAQ 手风琴 */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 2px solid #f1f5f9;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover, .faq-item.active {
      border-color: #ffd2e0;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: #ff3366;
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fffcfd;
      color: #475569;
      font-size: 0.94rem;
      line-height: 1.7;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 0 24px 20px 24px;
      border-top: 1px solid #fff0f5;
    }

    /* 资讯与文章列表 */
    .grid-articles {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 30px;
    }

    .article-box {
      background: #ffffff;
      border: 2px solid #f1f5f9;
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .article-box h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 18px;
    }

    .article-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-link-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: #334155;
      font-weight: 600;
    }

    .article-link-list li a:hover {
      background: #ffeef4;
      color: #ff3366;
      transform: translateX(4px);
    }

    /* 帮助中心与百科 */
    .grid-help {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .help-card {
      background: #ffffff;
      border: 2px solid #e0e7ff;
      border-radius: var(--radius-lg);
      padding: 26px;
      transition: var(--transition);
    }
    .help-card:hover {
      border-color: #818cf8;
      transform: translateY(-4px);
      box-shadow: var(--shadow-sm);
    }
    .help-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: #1e1b4b;
      margin-bottom: 8px;
    }
    .help-card p {
      font-size: 0.9rem;
      color: #475569;
      line-height: 1.6;
    }

    /* 加盟代理与算力被动收入 */
    .agent-cta-box {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      text-align: center;
      box-shadow: 0 15px 40px rgba(124, 58, 237, 0.25);
    }

    .agent-cta-box h3 {
      font-size: 2.2rem;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .agent-cta-box p {
      font-size: 1.1rem;
      max-width: 800px;
      margin: 0 auto 30px auto;
      opacity: 0.95;
    }

    /* 微信客服与联系方式 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 32px;
      align-items: center;
    }

    .contact-card-group {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .contact-small-card {
      background: #ffffff;
      border: 2px solid #fce7f3;
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
    }

    .contact-small-card h5 {
      font-size: 0.85rem;
      color: #64748b;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .contact-small-card p {
      font-size: 1.05rem;
      font-weight: 800;
      color: #0f172a;
    }

    .qr-box-wrap {
      background: #ffffff;
      border: 2px solid #ffd2e0;
      border-radius: var(--radius-lg);
      padding: 30px;
      text-align: center;
      box-shadow: var(--shadow-md);
    }

    .qr-img-container {
      width: 170px;
      height: 170px;
      margin: 0 auto 16px auto;
      border: 1px solid #fbcfe8;
      border-radius: var(--radius-md);
      overflow: hidden;
      padding: 6px;
      background: #ffffff;
    }

    .qr-img-container img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .qr-box-wrap p {
      font-size: 0.92rem;
      font-weight: 700;
      color: #334155;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid #ffdbe6;
      padding: 60px 0 30px 0;
      color: #334155;
      font-size: 0.92rem;
    }

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

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ff3366;
      margin-bottom: 12px;
    }

    .footer-brand p {
      color: #64748b;
      line-height: 1.7;
      max-width: 420px;
    }

    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links li a {
      color: #475569;
      font-weight: 500;
    }

    .footer-links li a:hover {
      color: #ff3366;
      padding-left: 4px;
    }

    .friend-links-box {
      border-top: 1px solid #f1f5f9;
      padding: 24px 0;
      margin-top: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friend-links-label {
      font-weight: 800;
      color: #0f172a;
      font-size: 0.9rem;
    }

    .friend-links-box a {
      font-size: 0.88rem;
      color: #64748b;
      padding: 4px 10px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
    }

    .friend-links-box a:hover {
      color: #ff3366;
      border-color: #ffccd8;
      background: #fff5f8;
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      color: #94a3b8;
      font-size: 0.85rem;
    }

    /* 悬浮功能条 */
    .floating-bar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 2px solid #ff477e;
      color: #ff477e;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      font-weight: 800;
      box-shadow: 0 4px 15px rgba(255, 71, 126, 0.25);
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
    }

    .float-btn:hover {
      background: #ff477e;
      color: #ffffff;
      transform: scale(1.1);
    }

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.6rem; }
      .grid-scene { grid-template-columns: repeat(2, 1fr); }
      .grid-solution { grid-template-columns: repeat(2, 1fr); }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .grid-process { grid-template-columns: repeat(2, 1fr); }
      .grid-reviews { grid-template-columns: repeat(2, 1fr); }
      .grid-gallery { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        border-bottom: 2px solid #ffd2e0;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .hero-title { font-size: 2.1rem; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .grid-about { grid-template-columns: 1fr; }
      .grid-scene { grid-template-columns: 1fr; }
      .grid-solution { grid-template-columns: 1fr; }
      .grid-pricing { grid-template-columns: 1fr; }
      .grid-contact-form { grid-template-columns: 1fr; }
      .grid-reviews { grid-template-columns: 1fr; }
      .grid-gallery { grid-template-columns: 1fr; }
      .grid-articles { grid-template-columns: 1fr; }
      .grid-help { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
      .section-title { font-size: 1.8rem; }
    }