:root {
      --primary: #ff2a5f;
      --primary-gradient: linear-gradient(135deg, #ff0055 0%, #7928ca 50%, #0070f3 100%);
      --accent-gradient: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
      --bright-cyan: #00d2ff;
      --bright-amber: #ff9900;
      --bright-emerald: #00e676;
      --bg-light: #f6f8fd;
      --bg-surface: #ffffff;
      --text-main: #111827;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --border-color: rgba(226, 232, 240, 0.9);
      --card-shadow: 0 10px 25px -5px rgba(121, 40, 202, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --glow-shadow: 0 12px 30px rgba(255, 0, 85, 0.22);
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 6px;
      --container-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-light);
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(255, 0, 128, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(0, 112, 243, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(0, 230, 118, 0.03) 0%, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      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 rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

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

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

    .brand-logo {
      height: 40px;
      display: flex;
      align-items: center;
    }

    .brand-logo img,
    .brand-logo .ai-page-logo {
      max-height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-title-wrap {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.2;
    }

    .brand-tagline {
      font-size: 0.72rem;
      color: var(--text-light);
      font-weight: 600;
      letter-spacing: 0.5px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

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

    .nav-item a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-item a:hover {
      color: #ff0055;
      background: rgba(255, 0, 85, 0.06);
    }

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

    .btn-header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.9rem;
      font-weight: 700;
      color: #ffffff !important;
      background: var(--primary-gradient);
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(255, 0, 85, 0.3);
    }

    .btn-header-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 0, 85, 0.45);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      width: 36px;
      height: 36px;
      background: transparent;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      cursor: pointer;
      gap: 5px;
    }

    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--text-main);
      transition: all 0.3s;
    }

    /* 区域通用样式 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-wrap-alt {
      background: rgba(255, 255, 255, 0.6);
      border-top: 1px solid rgba(226, 232, 240, 0.6);
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    }

    .section-head {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 45px;
    }

    .badge-pill {
      display: inline-block;
      padding: 5px 14px;
      font-size: 0.78rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      border-radius: 50px;
      background: linear-gradient(90deg, rgba(255,0,85,0.12), rgba(0,112,243,0.12));
      color: #d8004f;
      margin-bottom: 14px;
      border: 1px solid rgba(255,0,85,0.25);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 HERO（严格无图片） */
    .hero-section {
      padding: 60px 0 70px;
      background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(246,248,253,0.7) 100%);
      position: relative;
      overflow: hidden;
    }

    .hero-decor-orb-1 {
      position: absolute;
      top: -100px;
      right: -80px;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(255, 0, 128, 0.15) 0%, rgba(255, 0, 128, 0) 70%);
      pointer-events: none;
    }

    .hero-decor-orb-2 {
      position: absolute;
      bottom: -120px;
      left: -80px;
      width: 450px;
      height: 450px;
      background: radial-gradient(circle, rgba(0, 112, 243, 0.15) 0%, rgba(0, 112, 243, 0) 70%);
      pointer-events: none;
    }

    .hero-content {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid rgba(255, 0, 85, 0.3);
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(255, 0, 85, 0.08);
      margin-bottom: 24px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #ff0055;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight-text {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: #374151;
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 45px;
    }

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 800;
      color: #ffffff !important;
      background: linear-gradient(135deg, #ff0055 0%, #ff4b2b 100%);
      border-radius: 50px;
      box-shadow: 0 8px 25px rgba(255, 0, 85, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(255, 0, 85, 0.55);
    }

    .btn-hero-secondary {
      padding: 14px 32px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #1e293b !important;
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-secondary:hover {
      border-color: #ff0055;
      color: #ff0055 !important;
      transform: translateY(-3px);
    }

    /* 首屏科技感纯代码数据看板 */
    .hero-metrics-board {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--card-shadow);
    }

    .metric-card {
      padding: 12px 8px;
      text-align: center;
      border-right: 1px dashed #e2e8f0;
    }

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

    .metric-num {
      font-size: 1.9rem;
      font-weight: 900;
      color: #111827;
      line-height: 1.2;
      margin-bottom: 4px;
      display: block;
    }

    .metric-num-pink { color: #ff0055; }
    .metric-num-purple { color: #7928ca; }
    .metric-num-blue { color: #0070f3; }
    .metric-num-green { color: #00b359; }

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

    /* 平台支持模型跑马灯标签 */
    .models-marquee-wrap {
      margin-top: 30px;
      padding: 16px 20px;
      background: rgba(255, 255, 255, 0.85);
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.8);
      text-align: center;
    }

    .marquee-label {
      font-size: 0.82rem;
      font-weight: 700;
      color: #ff0055;
      margin-bottom: 10px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .marquee-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .m-tag {
      padding: 4px 10px;
      background: #f1f5f9;
      color: #334155;
      font-size: 0.78rem;
      font-weight: 600;
      border-radius: 4px;
      border: 1px solid #e2e8f0;
      transition: all 0.2s;
    }

    .m-tag:hover {
      background: #ff0055;
      color: #ffffff;
      border-color: #ff0055;
    }

    /* 网格布局通用类 */
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    /* 卡片通用 */
    .feature-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 30px rgba(121, 40, 202, 0.1);
      border-color: rgba(255, 0, 85, 0.4);
    }

    .card-icon-box {
      width: 46px;
      height: 46px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 16px;
      background: linear-gradient(135deg, rgba(255,0,85,0.1) 0%, rgba(121,40,202,0.1) 100%);
      color: #ff0055;
      font-weight: bold;
    }

    .feature-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .feature-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 场景专区高亮徽章 */
    .badge-feature {
      align-self: flex-start;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: #fff0f5;
      color: #ff0055;
      margin-bottom: 12px;
    }

    /* 评测对比区 */
    .rating-banner {
      background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    }

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

    .score-big {
      font-size: 3.5rem;
      font-weight: 900;
      color: #ffb703;
      line-height: 1;
    }

    .rating-meta h3 {
      font-size: 1.3rem;
      color: #ffffff;
      margin-bottom: 4px;
    }

    .stars-glow {
      color: #ffb703;
      font-size: 1.1rem;
      letter-spacing: 2px;
    }

    .rating-summary-text {
      max-width: 580px;
      font-size: 0.95rem;
      color: #9ca3af;
      line-height: 1.6;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.9rem;
    }

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

    .comparison-table th {
      background: #f8fafc;
      color: #1e293b;
      font-weight: 700;
    }

    .comparison-table tr:hover td {
      background: #fffbfa;
    }

    .col-highlight {
      background: rgba(255, 0, 85, 0.03);
      font-weight: 700;
      color: #ff0055;
    }

    .check-yes {
      color: #00b359;
      font-weight: 800;
    }

    .check-no {
      color: #94a3b8;
    }

    /* 流程步骤图 */
    .steps-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-node {
      background: #ffffff;
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      text-align: center;
      position: relative;
      box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    }

    .step-order {
      width: 36px;
      height: 36px;
      line-height: 36px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      font-weight: 800;
      margin: 0 auto 14px;
      font-size: 0.95rem;
    }

    .step-node h4 {
      font-size: 1.05rem;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-node p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 真实案例展示插图 */
    .media-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
    }

    .media-img-wrap {
      width: 100%;
      aspect-ratio: 16/9;
      background: #e2e8f0;
      overflow: hidden;
    }

    .media-img-wrap.square-ratio {
      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(1.04);
    }

    .media-body {
      padding: 20px;
      flex-grow: 1;
    }

    .media-body h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
    }

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

    /* 客户评论卡片 */
    .testimonial-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-quote {
      font-size: 0.92rem;
      color: #334155;
      line-height: 1.65;
      margin-bottom: 18px;
      font-style: italic;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px dashed #f1f5f9;
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0070f3, #00dfd8);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .author-info h5 {
      font-size: 0.92rem;
      color: #0f172a;
      font-weight: 700;
    }

    .author-info span {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* FAQ 手风琴 */
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-question {
      padding: 16px 20px;
      font-weight: 700;
      color: #0f172a;
      font-size: 0.95rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      background: #ffffff;
    }

    .faq-question:hover {
      background: #fdf2f4;
      color: #ff0055;
    }

    .faq-toggle-icon {
      font-size: 1.1rem;
      font-weight: 400;
      color: #94a3b8;
      transition: transform 0.25s ease;
    }

    .faq-answer {
      padding: 0 20px 16px;
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid #f8fafc;
    }

    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
      color: #ff0055;
    }

    /* 需求匹配与提交表单 */
    .contact-card-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      overflow: hidden;
      display: grid;
      grid-template-columns: 5fr 7fr;
    }

    .contact-info-side {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-side h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .contact-info-side p {
      font-size: 0.9rem;
      color: #94a3b8;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .contact-methods-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      font-size: 0.9rem;
    }

    .contact-methods-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #cbd5e1;
    }

    .qr-container {
      margin-top: 24px;
      padding: 16px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: var(--radius-md);
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      width: fit-content;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .qr-container img {
      width: 110px;
      height: 110px;
      object-fit: contain;
      border-radius: 4px;
      background: #ffffff;
      padding: 4px;
    }

    .qr-caption {
      font-size: 0.75rem;
      color: #94a3b8;
      margin-top: 6px;
    }

    .form-side {
      padding: 40px;
      background: #ffffff;
    }

    .form-side h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 20px;
    }

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

    .form-group-full {
      grid-column: span 2;
    }

    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      color: #1e293b;
      background: #f8fafc;
      transition: all 0.2s;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: #ff0055;
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(255, 0, 85, 0.1);
    }

    .btn-submit-form {
      width: 100%;
      padding: 12px 24px;
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      background: var(--primary-gradient);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 6px 20px rgba(255, 0, 85, 0.3);
      transition: all 0.25s;
    }

    .btn-submit-form:hover {
      opacity: 0.95;
      transform: translateY(-2px);
    }

    /* 最新文章与资讯列表 */
    .article-list-wrap {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-card {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: all 0.25s;
    }

    .article-card:hover {
      border-color: #ff0055;
      transform: translateY(-3px);
    }

    .article-card a {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      line-height: 1.45;
    }

    .article-card a:hover {
      color: #ff0055;
    }

    .article-meta {
      font-size: 0.78rem;
      color: var(--text-light);
      margin-top: 10px;
      display: flex;
      justify-content: space-between;
    }

    /* 加盟代理与被动收入板块 */
    .agent-cta-box {
      background: linear-gradient(135deg, #7928ca 0%, #ff0055 100%);
      border-radius: var(--radius-lg);
      padding: 45px 35px;
      color: #ffffff;
      text-align: center;
      box-shadow: 0 15px 35px rgba(121, 40, 202, 0.25);
    }

    .agent-cta-box h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .agent-cta-box p {
      font-size: 1rem;
      max-width: 750px;
      margin: 0 auto 24px;
      color: #fce7f3;
      line-height: 1.6;
    }

    /* 友情链接与文章调用区 */
    .links-block {
      padding: 20px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      margin-top: 20px;
    }

    .links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: #334155;
      margin-bottom: 12px;
    }

    .links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .links-flex a {
      font-size: 0.85rem;
      color: #64748b;
      padding: 4px 10px;
      background: #f8fafc;
      border-radius: 4px;
      border: 1px solid #e2e8f0;
    }

    .links-flex a:hover {
      color: #ff0055;
      border-color: #ff0055;
      background: #ffffff;
    }

    /* 规范统一页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 25px;
      border-top: 1px solid #1e293b;
      font-size: 0.88rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 30px;
      margin-bottom: 35px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 0.98rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col ul li a {
      color: #94a3b8;
    }

    .footer-col ul li a:hover {
      color: #ff0055;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      color: #64748b;
    }

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

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

    /* 浮动工具栏 */
    .floating-toolbar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #ffffff;
      color: #0f172a;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
      border: 1px solid #e2e8f0;
      cursor: pointer;
      font-weight: 700;
      font-size: 0.8rem;
      transition: all 0.2s;
    }

    .float-btn:hover {
      background: #ff0055;
      color: #ffffff;
      border-color: #ff0055;
      transform: scale(1.08);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .steps-timeline { grid-template-columns: repeat(2, 1fr); }
      .hero-metrics-board { grid-template-columns: repeat(2, 1fr); }
      .contact-card-box { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-title { font-size: 2.2rem; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: flex; }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-menu.active { display: block; }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .nav-item { width: 100%; }
      .nav-item a { display: block; width: 100%; padding: 10px 12px; }
      .nav-actions { display: none; }
      .grid-4, .grid-3, .grid-2, .steps-timeline, .faq-grid, .article-list-wrap { grid-template-columns: 1fr; }
      .hero-title { font-size: 1.8rem; }
      .form-grid { grid-template-columns: 1fr; }
      .form-group-full { grid-column: span 1; }
      .footer-grid { grid-template-columns: 1fr; }
      .rating-banner { flex-direction: column; text-align: center; }
      .rating-score-box { flex-direction: column; }
    }