:root {
      --primary-red: #c41824;
      --deep-red: #9e0e18;
      --bright-red: #e62432;
      --accent-gold: #e59819;
      --light-gold: #fff5e6;
      --bg-page: #faf7f7;
      --bg-card: #ffffff;
      --text-main: #1f2329;
      --text-muted: #5e6673;
      --text-light: #8f97a3;
      --border-color: #ebdcdb;
      --border-highlight: #f8cfcf;
      --shadow-sm: 0 4px 14px rgba(196, 24, 36, 0.05);
      --shadow-md: 0 10px 30px rgba(196, 24, 36, 0.09);
      --shadow-lg: 0 20px 45px rgba(196, 24, 36, 0.14);
      --transition: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      position: relative;
    }

    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 10% 10%, rgba(230, 36, 50, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 85%, rgba(229, 152, 25, 0.04) 0%, transparent 45%);
      pointer-events: none;
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

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

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

    .section-wrap {
      padding: 85px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 55px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.875rem;
      font-weight: 700;
      letter-spacing: 1px;
      color: var(--primary-red);
      background-color: #fcedee;
      padding: 6px 18px;
      border-radius: 999px;
      margin-bottom: 14px;
      border: 1px solid var(--border-highlight);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      transition: var(--transition);
      border: none;
      outline: none;
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--bright-red) 0%, var(--primary-red) 100%);
      color: #ffffff;
      box-shadow: 0 6px 20px rgba(196, 24, 36, 0.32);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #f03542 0%, var(--deep-red) 100%);
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(196, 24, 36, 0.42);
      color: #ffffff;
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--primary-red);
      border: 1.5px solid var(--border-highlight);
    }

    .btn-secondary:hover {
      background: #fdf5f5;
      border-color: var(--primary-red);
      transform: translateY(-2px);
    }

    .btn-glow {
      position: relative;
      animation: pulseGlow 2.5s infinite;
    }

    @keyframes pulseGlow {
      0%, 100% { box-shadow: 0 6px 20px rgba(196, 24, 36, 0.32); }
      50% { box-shadow: 0 8px 30px rgba(230, 36, 50, 0.55); }
    }

    /* 顶部导航 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

    .brand-logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 48px;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand-slogan {
      font-size: 0.85rem;
      color: var(--text-muted);
      border-left: 1px solid var(--border-color);
      padding-left: 12px;
      font-weight: 500;
      display: none;
    }

    @media (min-width: 1024px) {
      .brand-slogan { display: block; }
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      position: relative;
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-red);
    }

    .nav-links li a::after {
      content: "";
      position: absolute;
      bottom: 4px;
      left: 14px;
      right: 14px;
      height: 2px;
      background-color: var(--primary-red);
      transform: scaleX(0);
      transition: var(--transition);
    }

    .nav-links li a:hover::after,
    .nav-links li a.active::after {
      transform: scaleX(1);
    }

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

    .nav-toggle-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 Hero 无图片 Pure CSS & Text */
    .hero-section {
      padding: 70px 0 60px 0;
      background: linear-gradient(180deg, #fff7f7 0%, var(--bg-page) 100%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-badge-wrap {
      display: flex;
      justify-content: center;
      margin-bottom: 22px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 20px;
      background: linear-gradient(90deg, #fff1f2 0%, #fff8eb 100%);
      border: 1px solid #ffd4d7;
      border-radius: 999px;
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--primary-red);
      box-shadow: 0 2px 10px rgba(196, 24, 36, 0.08);
    }

    .hero-content {
      text-align: center;
      max-width: 980px;
      margin: 0 auto;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-title .text-gradient {
      background: linear-gradient(135deg, var(--deep-red) 0%, var(--bright-red) 50%, var(--accent-gold) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 820px;
      margin: 0 auto 36px auto;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .hero-cta-main {
      font-size: 1.15rem;
      padding: 16px 42px;
      border-radius: 10px;
      font-weight: 700;
    }

    /* 首屏数据指标卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
      text-align: left;
    }

    .stat-card {
      background: var(--bg-card);
      padding: 24px;
      border-radius: 14px;
      border: 1px solid var(--border-highlight);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(to bottom, var(--bright-red), var(--accent-gold));
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--bright-red);
    }

    .stat-value {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary-red);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stat-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 模型支持轮播条/标签云 */
    .hero-models-strip {
      margin-top: 45px;
      padding: 20px 24px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      display: flex;
      align-items: center;
      gap: 18px;
      box-shadow: var(--shadow-sm);
    }

    .models-strip-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary-red);
      white-space: nowrap;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .models-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
    }

    .model-tag {
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 10px;
      background: #f7f3f3;
      border: 1px solid #ebdada;
      border-radius: 6px;
      color: #3b424d;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: #fbebed;
      color: var(--primary-red);
      border-color: #f7b7bc;
    }

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

    .about-info-panel {
      background: #ffffff;
      padding: 38px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .about-info-panel h3 {
      font-size: 1.55rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      line-height: 1.4;
    }

    .about-info-panel p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 22px;
      line-height: 1.8;
    }

    .about-feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 26px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #fdfaf9;
      padding: 14px;
      border-radius: 10px;
      border: 1px solid #f2e4e4;
    }

    .about-feature-item svg {
      width: 20px;
      height: 20px;
      fill: var(--primary-red);
      flex-shrink: 0;
      margin-top: 2px;
    }

    .about-feature-item div strong {
      display: block;
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 3px;
    }

    .about-feature-item div span {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.4;
      display: block;
    }

    /* 服务板块 Cards */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      padding: 30px;
      border-radius: 14px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #f5989e;
    }

    .service-icon-box {
      width: 54px;
      height: 54px;
      border-radius: 12px;
      background: #fcedee;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--primary-red);
    }

    .service-icon-box svg {
      width: 28px;
      height: 28px;
      fill: currentColor;
    }

    .service-card h3 {
      font-size: 1.28rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag {
      font-size: 0.75rem;
      background: #fcf4f4;
      color: var(--deep-red);
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 一站式制作步骤 Workflow */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      padding: 24px 18px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary-red);
      box-shadow: var(--shadow-md);
    }

    .step-number {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--bright-red), var(--deep-red));
      color: #ffffff;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(196, 24, 36, 0.28);
    }

    .step-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .step-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

    .solution-item {
      background: #ffffff;
      padding: 22px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .solution-item:hover {
      border-color: var(--bright-red);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .solution-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary-red);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .solution-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测 板块 (五星 9.9分) */
    .eval-box {
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .eval-top-bar {
      background: linear-gradient(135deg, #fff5f5 0%, #fff9f0 100%);
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-highlight);
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-rating-display {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-badge {
      display: flex;
      align-items: baseline;
      gap: 4px;
      background: linear-gradient(135deg, var(--bright-red), var(--deep-red));
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(196, 24, 36, 0.3);
    }

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

    .score-max {
      font-size: 1rem;
      opacity: 0.9;
    }

    .stars-desc strong {
      display: block;
      font-size: 1.25rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }

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

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th, 
    .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid #f2e6e6;
      font-size: 0.95rem;
    }

    .compare-table th {
      background: #faf4f4;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: #fffafa;
      color: var(--primary-red);
      font-weight: 700;
    }

    .badge-win {
      display: inline-block;
      padding: 3px 10px;
      background: #fcedee;
      color: var(--bright-red);
      border-radius: 999px;
      font-size: 0.8rem;
      font-weight: 700;
    }

    /* 需求匹配与工具推荐 */
    .matcher-card {
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

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

    .match-option {
      border: 2px solid #f0e2e2;
      border-radius: 12px;
      padding: 24px;
      background: #faf7f7;
      cursor: pointer;
      transition: var(--transition);
    }

    .match-option:hover,
    .match-option.active {
      border-color: var(--bright-red);
      background: #fff6f7;
      transform: translateY(-3px);
    }

    .match-option h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .match-option p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Token 比价卡片 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .pricing-card {
      background: #ffffff;
      border-radius: 14px;
      padding: 28px 22px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
      position: relative;
    }

    .pricing-card.popular {
      border: 2px solid var(--bright-red);
      box-shadow: var(--shadow-md);
      transform: scale(1.02);
    }

    .card-ribbon {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(90deg, var(--bright-red), var(--deep-red));
      color: #ffffff;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 999px;
      box-shadow: 0 3px 8px rgba(196, 24, 36, 0.3);
    }

    .pricing-card h4 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .price-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary-red);
      margin-bottom: 4px;
    }

    .price-unit {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .price-features {
      list-style: none;
      text-align: left;
      margin: 18px 0 24px 0;
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.8;
    }

    .price-features li {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .price-features li::before {
      content: "✓";
      color: var(--primary-red);
      font-weight: 800;
    }

    /* 案例展示区（展示素材图片） */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

    .case-card {
      background: #ffffff;
      border-radius: 14px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #f7b2b6;
    }

    .case-img-wrap {
      width: 100%;
      background: #f5eded;
      position: relative;
      overflow: hidden;
    }

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

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

    .case-body {
      padding: 22px;
    }

    .case-body h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .case-banner-promo {
      margin-top: 20px;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .review-card {
      background: #ffffff;
      padding: 28px;
      border-radius: 14px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
    }

    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 0.95rem;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f2e6e6;
      padding-top: 16px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--bright-red), #ea580c);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 常见问题 FAQ 折叠面板 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary-red);
      box-shadow: var(--shadow-sm);
    }

    .faq-header {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
    }

    .faq-header:hover {
      color: var(--primary-red);
    }

    .faq-icon {
      font-size: 1.25rem;
      color: var(--primary-red);
      transition: transform 0.3s ease;
    }

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

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

    .faq-item.active .faq-body {
      max-height: 300px;
      padding: 0 24px 20px 24px;
    }

    .faq-body p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    .knowledge-card {
      background: #ffffff;
      padding: 26px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .knowledge-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .knowledge-card h4::before {
      content: "";
      width: 4px;
      height: 18px;
      background: var(--bright-red);
      border-radius: 2px;
    }

    .knowledge-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 行业资讯 & 最新文章 */
    .news-wrapper {
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .articles-dynamic-box {
      background: #fdfafa;
      border: 1px dashed var(--border-highlight);
      border-radius: 10px;
      padding: 20px;
      margin-bottom: 24px;
    }

    .article-links-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      list-style: none;
    }

    .article-links-list li a {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      color: var(--text-main);
      padding: 10px 14px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      transition: var(--transition);
    }

    .article-links-list li a:hover {
      color: var(--primary-red);
      border-color: var(--primary-red);
      transform: translateX(4px);
    }

    /* 加盟代理板块 */
    .agent-panel {
      background: linear-gradient(135deg, #fff2f3 0%, #fffbf5 100%);
      border: 1px solid var(--border-highlight);
      border-radius: 16px;
      padding: 45px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.3fr 0.7fr;
      gap: 40px;
      align-items: center;
    }

    .agent-content h3 {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--deep-red);
      margin-bottom: 16px;
    }

    .agent-content p {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .agent-benefits {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-bottom: 28px;
    }

    .agent-benefit-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .agent-benefit-item span {
      color: var(--bright-red);
      font-weight: 800;
    }

    .agent-cta-box {
      background: #ffffff;
      padding: 30px;
      border-radius: 14px;
      border: 1px solid var(--border-color);
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    /* 需求表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
    }

    .form-panel {
      background: #ffffff;
      border-radius: 16px;
      padding: 38px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .form-panel h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .form-panel p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #d9d0d0;
      border-radius: 8px;
      font-size: 0.95rem;
      color: var(--text-main);
      background-color: #fdfafa;
      transition: var(--transition);
      outline: none;
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--bright-red);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(230, 36, 50, 0.12);
    }

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

    .contact-info-panel {
      background: #ffffff;
      border-radius: 16px;
      padding: 38px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-panel h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 20px;
      color: var(--text-main);
    }

    .contact-items-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 12px 0;
      border-bottom: 1px solid #f2e9e9;
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .contact-item strong {
      color: var(--text-main);
      min-width: 90px;
      display: inline-block;
    }

    .qr-contact-block {
      background: #faf4f4;
      padding: 20px;
      border-radius: 12px;
      border: 1px solid var(--border-highlight);
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .qr-img-box {
      width: 110px;
      height: 110px;
      background: #ffffff;
      padding: 5px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      flex-shrink: 0;
    }

    .qr-img-box img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .qr-text h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--deep-red);
      margin-bottom: 6px;
    }

    .qr-text p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 友情链接与主 Footer */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 35px 0;
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 45px;
    }

    .footer-brand p {
      margin-top: 16px;
      font-size: 0.9rem;
      line-height: 1.7;
      color: var(--text-muted);
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links li a:hover {
      color: var(--primary-red);
    }

    .friendly-links-section {
      padding: 24px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 30px;
    }

    .friendly-links-title {
      font-weight: 700;
      font-size: 0.92rem;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .friendly-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      list-style: none;
    }

    .friendly-links-list a {
      color: var(--text-muted);
      font-size: 0.88rem;
    }

    .friendly-links-list a:hover {
      color: var(--primary-red);
      text-decoration: underline;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 浮动辅助小工具 */
    .floating-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-red);
      cursor: pointer;
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--bright-red);
      color: #ffffff;
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }

    .float-btn svg {
      width: 22px;
      height: 22px;
      fill: currentColor;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.2rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .solutions-grid { grid-template-columns: repeat(2, 1fr); }
      .workflow-timeline { grid-template-columns: repeat(3, 1fr); }
      .pricing-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .cases-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: repeat(2, 1fr); }
      .agent-panel { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .about-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .section-wrap { padding: 55px 0; }
      .hero-section { padding: 45px 0 40px 0; }
      .hero-title { font-size: 1.85rem; }
      .hero-desc { font-size: 1rem; }
      .section-title { font-size: 1.75rem; }
      
      .nav-toggle-btn { display: block; }
      .header-actions .btn { display: none; }

      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        border-bottom: 2px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.06);
        padding: 10px 0;
      }

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

      .nav-links li {
        width: 100%;
        text-align: center;
      }

      .nav-links li a {
        padding: 14px 20px;
      }

      .hero-stats-grid { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .solutions-grid { grid-template-columns: 1fr; }
      .workflow-timeline { grid-template-columns: 1fr; }
      .pricing-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: 1fr; }
      .matcher-grid { grid-template-columns: 1fr; }
      .knowledge-grid { grid-template-columns: 1fr; }
      .article-links-list { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .about-feature-list { grid-template-columns: 1fr; }
    }