:root {
      --primary: #ff5e7e;
      --primary-hover: #e04867;
      --secondary: #2dd4bf;
      --accent-purple: #8b5cf6;
      --accent-yellow: #fbbf24;
      --accent-blue: #38bdf8;
      --bg-page: #fefcfb;
      --bg-candy-gradient: linear-gradient(135deg, #fff5f7 0%, #f0fdf9 50%, #f5f3ff 100%);
      --text-dark: #1e293b;
      --text-muted: #475569;
      --text-sub: #64748b;
      --card-bg: #ffffff;
      --card-border: #f1f5f9;
      --card-border-candy: #fed7aa;
      --shadow-sm: 0 4px 14px rgba(255, 94, 126, 0.08);
      --shadow-md: 0 10px 25px rgba(139, 92, 246, 0.1);
      --shadow-lg: 0 16px 36px rgba(45, 212, 191, 0.12);
      --radius-sm: 10px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --radius-pill: 9999px;
      --container-max: 1200px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-page);
      background-image: radial-gradient(#ffd8e4 0.8px, transparent 0.8px), radial-gradient(#dcfce7 0.8px, var(--bg-page) 0.8px);
      background-size: 32px 32px;
      background-position: 0 0, 16px 16px;
      color: var(--text-dark);
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }

    .section-wrap {
      padding: 72px 0;
      position: relative;
    }

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

    .candy-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      font-size: 0.875rem;
      font-weight: 600;
      color: #be123c;
      background: #ffe4e6;
      border: 1px solid #fecdd3;
      margin-bottom: 14px;
    }

    .candy-pill-teal {
      color: #0f766e;
      background: #ccfbf1;
      border-color: #99f6e4;
    }

    .candy-pill-purple {
      color: #6d28d9;
      background: #ede9fe;
      border-color: #ddd6fe;
    }

    .candy-pill-blue {
      color: #0369a1;
      background: #e0f2fe;
      border-color: #bae6fd;
    }

    .candy-pill-yellow {
      color: #b45309;
      background: #fef3c7;
      border-color: #fde68a;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -0.02em;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid #fed7aa;
      box-shadow: 0 4px 18px rgba(251, 146, 60, 0.05);
    }

    .navbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-container {
      width: 140px;
      height: 44px;
      display: flex;
      align-items: center;
    }

    .ai-page-logo {
      max-height: 42px;
      width: auto;
      object-fit: contain;
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 0.925rem;
      font-weight: 600;
      color: #334155;
      border-radius: var(--radius-sm);
      white-space: nowrap;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background-color: #fff1f2;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      cursor: pointer;
      border: none;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      text-align: center;
    }

    .btn-candy-primary {
      background: linear-gradient(135deg, #ff5e7e 0%, #ff8e53 100%);
      color: #ffffff;
      box-shadow: 0 6px 18px rgba(255, 94, 126, 0.35);
    }

    .btn-candy-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(255, 94, 126, 0.45);
      color: #ffffff;
    }

    .btn-candy-teal {
      background: linear-gradient(135deg, #2dd4bf 0%, #06b6d4 100%);
      color: #ffffff;
      box-shadow: 0 6px 18px rgba(45, 212, 191, 0.35);
    }

    .btn-candy-teal:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(45, 212, 191, 0.45);
      color: #ffffff;
    }

    .btn-outline {
      border: 2px solid #fdba74;
      background: #fff;
      color: #c2410c;
    }

    .btn-outline:hover {
      background: #fff7ed;
      border-color: #f97316;
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .nav-toggle span {
      display: block;
      width: 24px;
      height: 3px;
      background: #334155;
      margin: 4px 0;
      border-radius: 2px;
      transition: all 0.3s;
    }

    /* 首屏 Hero (严格纯CSS无图片) */
    .hero-section {
      padding: 68px 0 76px;
      background: var(--bg-candy-gradient);
      border-bottom: 2px dashed #fed7aa;
      position: relative;
      overflow: hidden;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-title {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 18px;
      letter-spacing: -0.03em;
    }

    .hero-highlight {
      background: linear-gradient(120deg, #ff4365, #8b5cf6);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-summary {
      font-size: 1.12rem;
      color: #334155;
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 32px;
    }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      font-size: 0.88rem;
      color: #475569;
    }

    .hero-badge-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 14px;
      background: #ffffff;
      border: 1px solid #fbcfe8;
      border-radius: var(--radius-pill);
      box-shadow: 0 2px 6px rgba(251, 207, 232, 0.4);
      font-weight: 600;
      color: #9d174d;
    }

    /* 首屏右侧纯CSS糖果态几何看板（严格无图） */
    .hero-board {
      background: #ffffff;
      border: 2px solid #fed7aa;
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 16px 36px rgba(251, 146, 60, 0.15);
      position: relative;
    }

    .board-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 2px solid #fef3c7;
    }

    .board-indicator {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      color: #047857;
      font-size: 0.95rem;
    }

    .pulse-dot {
      width: 10px;
      height: 10px;
      background-color: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      }
      70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
      }
      100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
      }
    }

    .board-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 20px;
    }

    .board-card {
      background: #fafaf9;
      border-radius: var(--radius-md);
      padding: 16px;
      border: 1px solid #f5f5f4;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .board-card:hover {
      transform: translateY(-3px);
      border-color: #f472b6;
      background: #fff;
    }

    .board-card-title {
      font-size: 0.85rem;
      color: var(--text-sub);
      margin-bottom: 6px;
      font-weight: 600;
    }

    .board-card-value {
      font-size: 1.4rem;
      font-weight: 800;
      color: #0f172a;
    }

    .board-card-sub {
      font-size: 0.75rem;
      color: #16a34a;
      font-weight: 600;
      margin-top: 4px;
    }

    .board-terminal {
      background: #1e1e2e;
      border-radius: var(--radius-md);
      padding: 16px;
      color: #cdd6f4;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.82rem;
      line-height: 1.6;
    }

    .board-terminal-tag {
      color: #f38ba8;
      font-weight: 700;
    }

    .board-terminal-text {
      color: #a6e3a1;
    }

    /* 平台核心指标数 */
    .metrics-bar {
      margin-top: -30px;
      position: relative;
      z-index: 10;
    }

    .metrics-container {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #fed7aa;
      padding: 24px;
      box-shadow: 0 12px 30px rgba(251, 146, 60, 0.08);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .metric-item {
      text-align: center;
      padding: 0 12px;
      border-right: 1px solid #f1f5f9;
    }

    .metric-item:last-child {
      border-right: none;
    }

    .metric-num {
      font-size: 2rem;
      font-weight: 900;
      color: #e11d48;
      margin-bottom: 4px;
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 2px;
    }

    .metric-num span {
      font-size: 1rem;
      font-weight: 700;
      color: #f97316;
    }

    .metric-label {
      font-size: 0.9rem;
      color: #475569;
      font-weight: 600;
    }

    /* 卡片通用样式 */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .card-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .candy-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid #fed7aa;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .candy-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #f472b6;
    }

    .candy-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 900;
      margin-bottom: 20px;
      background: #ffe4e6;
      color: #e11d48;
    }

    .candy-icon-box.teal {
      background: #ccfbf1;
      color: #0d9488;
    }

    .candy-icon-box.purple {
      background: #ede9fe;
      color: #7c3aed;
    }

    .candy-icon-box.yellow {
      background: #fef3c7;
      color: #d97706;
    }

    .candy-icon-box.blue {
      background: #e0f2fe;
      color: #0284c7;
    }

    .card-h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 12px;
    }

    .card-text {
      font-size: 0.93rem;
      color: #475569;
      line-height: 1.7;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .card-tag {
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      font-size: 0.775rem;
      font-weight: 600;
      background: #f8fafc;
      color: #64748b;
      border: 1px solid #e2e8f0;
    }

    /* 平台支持的模型芯片标签云 */
    .model-chips-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      max-width: 1000px;
      margin: 0 auto;
    }

    .model-chip {
      padding: 8px 18px;
      background: #ffffff;
      border: 1.5px solid #fed7aa;
      border-radius: var(--radius-pill);
      font-size: 0.88rem;
      font-weight: 700;
      color: #334155;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      border-color: #ff5e7e;
      background: #fff5f7;
      color: #e11d48;
      transform: scale(1.05);
    }

    /* 对比评测高亮卡 */
    .review-score-hero {
      background: linear-gradient(135deg, #fff1f2 0%, #fef3c7 100%);
      border: 2px solid #fecdd3;
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

    .score-badge-group {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 100px;
      height: 100px;
      border-radius: 50%;
      background: #ff5e7e;
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 10px 20px rgba(255, 94, 126, 0.4);
    }

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

    .score-max {
      font-size: 0.75rem;
      opacity: 0.9;
    }

    .score-info h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .star-row {
      color: #f59e0b;
      font-size: 1.25rem;
      margin-bottom: 6px;
    }

    .comparison-table-wrapper {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #fed7aa;
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.95rem;
    }

    .comparison-table th {
      background: #fff7ed;
      color: #0f172a;
      font-weight: 800;
    }

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

    .comparison-table .highlight-col {
      background: #fff1f2;
      font-weight: 700;
      color: #be123c;
    }

    /* 流程图步进 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid #fed7aa;
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
    }

    .step-badge {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #8b5cf6;
      color: #fff;
      font-size: 1.1rem;
      font-weight: 800;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.85rem;
      color: #475569;
      line-height: 1.6;
    }

    /* 真实媒体展示区 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .media-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #fed7aa;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .media-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #f472b6;
    }

    .media-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f8fafc;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

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

    .media-card:hover .media-img-wrap img {
      transform: scale(1.05);
    }

    .media-content {
      padding: 20px;
    }

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

    .media-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 客户评价板块 */
    .testimonial-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid #fed7aa;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }

    .testimonial-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #fbcfe8 0%, #fed7aa 100%);
      color: #9d174d;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      border: 2px solid #fff;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .testimonial-meta h4 {
      font-size: 1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 2px;
    }

    .testimonial-meta span {
      font-size: 0.8rem;
      color: #0284c7;
      font-weight: 600;
    }

    .testimonial-quote {
      font-size: 0.925rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 14px;
      font-style: normal;
    }

    .testimonial-rating {
      color: #f59e0b;
      font-size: 0.9rem;
    }

    /* FAQ 手风琴 */
    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 960px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #fed7aa;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s;
    }

    .faq-item:hover {
      border-color: #f472b6;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: transparent;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-icon {
      font-size: 1.3rem;
      color: #ff5e7e;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fafaf9;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 24px 20px;
      border-top: 1px solid #f1f5f9;
    }

    .faq-answer p {
      font-size: 0.925rem;
      color: #475569;
      line-height: 1.75;
    }

    /* 需求表单与联系 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: start;
    }

    .contact-info-panel {
      background: linear-gradient(135deg, #fff7ed 0%, #fdf2f8 100%);
      border: 1px solid #fed7aa;
      border-radius: var(--radius-lg);
      padding: 36px;
    }

    .info-group {
      margin-bottom: 24px;
    }

    .info-label {
      font-size: 0.85rem;
      font-weight: 700;
      color: #9a3412;
      margin-bottom: 6px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .info-val {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
    }

    .qr-container {
      margin-top: 24px;
      background: #fff;
      padding: 16px;
      border-radius: var(--radius-md);
      display: inline-block;
      border: 1px solid #fecdd3;
      box-shadow: 0 4px 14px rgba(244, 114, 182, 0.15);
      text-align: center;
    }

    .qr-container img {
      width: 140px;
      height: 140px;
      object-fit: cover;
      margin: 0 auto 8px;
    }

    .qr-container p {
      font-size: 0.825rem;
      color: #64748b;
      font-weight: 600;
    }

    .contact-form-panel {
      background: #ffffff;
      border: 1px solid #fed7aa;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.92rem;
      font-weight: 700;
      color: #334155;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1.5px solid #cbd5e1;
      font-size: 0.95rem;
      color: #0f172a;
      transition: all 0.2s ease;
      background: #f8fafc;
    }

    .form-control:focus {
      outline: none;
      border-color: #ff5e7e;
      background: #fff;
      box-shadow: 0 0 0 3px rgba(255, 94, 126, 0.15);
    }

    textarea.form-control {
      min-height: 120px;
      resize: vertical;
    }

    /* 行业资讯文章外链 */
    .article-links-box {
      background: #ffffff;
      border: 1px solid #fed7aa;
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 24px;
    }

    .article-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      list-style: none;
    }

    .article-links-list li a {
      display: inline-block;
      padding: 8px 16px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-pill);
      font-size: 0.88rem;
      color: #0369a1;
      font-weight: 600;
    }

    .article-links-list li a:hover {
      background: #e0f2fe;
      border-color: #7dd3fc;
      color: #0284c7;
    }

    /* 友情链接区 */
    .friendly-links-wrap {
      background: #ffffff;
      border: 1px solid #f1f5f9;
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 36px;
    }

    .friendly-links-title {
      font-size: 0.95rem;
      font-weight: 800;
      color: #334155;
      margin-bottom: 12px;
    }

    .friendly-links-container {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friendly-links-container a {
      display: inline-block;
      padding: 6px 14px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      color: #475569;
      font-weight: 600;
    }

    .friendly-links-container a:hover {
      background: #ffe4e6;
      border-color: #fecdd3;
      color: #be123c;
    }

    /* 页脚设计 */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid #fed7aa;
      padding: 56px 0 32px;
      color: #475569;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: #64748b;
      margin-top: 12px;
      line-height: 1.7;
    }

    .footer-h4 {
      font-size: 1.05rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
    }

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

    .footer-links-col li a {
      font-size: 0.88rem;
      color: #475569;
    }

    .footer-links-col li a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动客服入口 */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
      align-items: flex-end;
    }

    .kefu-btn {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ff5e7e, #ff8e53);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      box-shadow: 0 8px 24px rgba(255, 94, 126, 0.4);
      cursor: pointer;
      border: none;
      transition: transform 0.2s ease;
    }

    .kefu-btn:hover {
      transform: scale(1.1);
    }

    .back-top {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #fed7aa;
      color: #334155;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: var(--shadow-sm);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .back-top:hover {
      background: #fff1f2;
      color: #e11d48;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-inner {
        grid-template-columns: 1fr;
      }
      .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-item:nth-child(2) {
        border-right: none;
      }
      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        border-bottom: 2px solid #fed7aa;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 0;
        border-bottom: 1px solid #f1f5f9;
        width: 100%;
      }
      .nav-actions {
        display: none;
      }
      .hero-title {
        font-size: 1.95rem;
      }
      .card-grid-4,
      .card-grid-3,
      .card-grid-2,
      .media-showcase-grid {
        grid-template-columns: 1fr;
      }
      .metrics-container {
        grid-template-columns: 1fr;
      }
      .metric-item {
        border-right: none;
        border-bottom: 1px solid #f1f5f9;
        padding-bottom: 12px;
      }
      .workflow-timeline {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }