/* roulang page: index */
:root {
      --primary-900: #1E3A8A;
      --primary-800: #1E40AF;
      --primary-600: #2563EB;
      --primary-500: #3B82F6;
      --primary-50: #EFF6FF;
      --teal-600: #0D9488;
      --teal-50: #F0FDFA;
      --amber-600: #D97706;
      --amber-50: #FFFBEB;
      --dark-navy: #0F172A;
      --slate-900: #0F172A;
      --slate-800: #1E293B;
      --slate-700: #334155;
      --slate-600: #475569;
      --slate-500: #64748B;
      --slate-400: #94A3B8;
      --slate-200: #E2E8F0;
      --slate-100: #F1F5F9;
      --slate-50: #F8FAFC;
      --white: #FFFFFF;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-xl: 0 20px 30px -10px rgba(15, 23, 42, 0.1);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--slate-50);
      color: var(--slate-800);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部通栏公告条 */
    .topbar {
      background-color: var(--dark-navy);
      color: var(--slate-400);
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .topbar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .topbar-badges {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .topbar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--slate-200);
    }
    .topbar-badge span.dot {
      width: 6px;
      height: 6px;
      background-color: var(--teal-600);
      border-radius: 50%;
      display: inline-block;
    }
    .topbar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .topbar-phone {
      color: var(--white);
      font-weight: 600;
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--slate-200);
      box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.03);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--primary-900);
      letter-spacing: -0.02em;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary-600), var(--primary-900));
      color: var(--white);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-link {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--slate-700);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary-600);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary-600);
      transition: var(--transition);
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.9375rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
      line-height: 1.3;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary-600);
      color: var(--white);
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    }
    .btn-primary:hover {
      background-color: var(--primary-800);
      box-shadow: 0 6px 16px rgba(30, 64, 175, 0.3);
      transform: translateY(-1px);
    }
    .btn-outline {
      background-color: transparent;
      border-color: var(--slate-200);
      color: var(--slate-700);
    }
    .btn-outline:hover {
      border-color: var(--primary-600);
      color: var(--primary-600);
      background-color: var(--primary-50);
    }
    .btn-white {
      background-color: var(--white);
      color: var(--primary-900);
      box-shadow: var(--shadow-md);
    }
    .btn-white:hover {
      background-color: var(--slate-50);
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--slate-700);
    }
    .mobile-menu-btn svg {
      width: 26px;
      height: 26px;
      display: block;
    }

    /* 通用板块样式 */
    .section-padding {
      padding: 96px 0;
    }
    .section-heading {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 56px auto;
    }
    .section-eyebrow {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--primary-600);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 12px;
      padding: 4px 12px;
      background-color: var(--primary-50);
      border-radius: var(--radius-full);
      border: 1px solid rgba(37, 99, 235, 0.15);
    }
    .section-title {
      font-size: 2.125rem;
      font-weight: 700;
      color: var(--slate-900);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.01em;
    }
    .section-desc {
      font-size: 1.0625rem;
      color: var(--slate-600);
      line-height: 1.7;
    }

    /* 板块1：首屏优惠券与核心主张 (Hero Banner) */
    .hero-section {
      position: relative;
      background: linear-gradient(180deg, #F0F5FF 0%, #FFFFFF 100%);
      padding: 56px 0 88px 0;
      overflow: hidden;
      border-bottom: 1px solid var(--slate-200);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 800;
      color: var(--slate-900);
      line-height: 1.22;
      margin-bottom: 22px;
      letter-spacing: -0.02em;
    }
    .hero-h1 span.highlight {
      background: linear-gradient(120deg, var(--primary-800), var(--primary-600));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.0625rem;
      color: var(--slate-600);
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 36px;
      flex-wrap: wrap;
    }
    .hero-coupon-card {
      background: #FFFFFF;
      border: 2px dashed #93C5FD;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 16px 36px -8px rgba(37, 99, 235, 0.12);
      position: relative;
      overflow: hidden;
    }
    .coupon-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
    }
    .coupon-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-900);
      margin-bottom: 6px;
    }
    .coupon-subtitle {
      font-size: 0.875rem;
      color: var(--slate-600);
      line-height: 1.5;
    }
    .coupon-value {
      text-align: right;
    }
    .coupon-price {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--amber-600);
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .coupon-tag {
      display: inline-block;
      font-size: 0.75rem;
      background: var(--amber-50);
      color: var(--amber-600);
      padding: 2px 8px;
      border-radius: var(--radius-full);
      font-weight: 600;
      border: 1px solid rgba(217, 119, 6, 0.2);
    }
    .hero-preview {
      position: relative;
    }
    .hero-stage-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--slate-200);
      box-shadow: var(--shadow-xl);
      overflow: hidden;
      padding: 16px;
    }
    .stage-card-header {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--slate-100);
    }
    .browser-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #CBD5E1;
    }
    .browser-dot.red { background: #EF4444; }
    .browser-dot.yellow { background: #F59E0B; }
    .browser-dot.green { background: #10B981; }
    .hero-stage-img {
      border-radius: var(--radius-md);
      width: 100%;
      height: 330px;
      object-fit: cover;
    }

    /* 板块2：资质认证与架构 (About & Verification) */
    .about-section {
      background-color: var(--white);
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }
    .about-image-wrapper {
      position: relative;
    }
    .about-main-img {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--slate-200);
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .verify-badge-float {
      position: absolute;
      bottom: -24px;
      right: -20px;
      background: var(--white);
      padding: 18px 22px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-xl);
      border-left: 4px solid var(--teal-600);
      border-top: 1px solid var(--slate-200);
      border-right: 1px solid var(--slate-200);
      border-bottom: 1px solid var(--slate-200);
    }
    .verify-badge-float strong {
      display: block;
      color: var(--slate-900);
      font-size: 1rem;
      margin-bottom: 4px;
    }
    .verify-badge-float p {
      font-size: 0.8125rem;
      color: var(--slate-500);
      line-height: 1.4;
    }
    .about-check-list {
      list-style: none;
      margin: 28px 0;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .about-check-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }
    .check-icon {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--teal-50);
      color: var(--teal-600);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.875rem;
      font-weight: bold;
      margin-top: 2px;
      border: 1px solid rgba(13, 148, 136, 0.25);
    }
    .about-check-item h4 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--slate-900);
      margin-bottom: 3px;
    }
    .about-check-item p {
      font-size: 0.875rem;
      color: var(--slate-600);
      line-height: 1.5;
    }

    /* 板块3：核心功能矩阵 (Feature Matrix) */
    .features-section {
      background-color: var(--slate-50);
    }
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      border: 1px solid var(--slate-200);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #BFDBFE;
    }
    .feature-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: var(--primary-50);
      color: var(--primary-600);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 1.1875rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 12px;
    }
    .feature-card p {
      font-size: 0.9375rem;
      color: var(--slate-600);
      line-height: 1.65;
      flex-grow: 1;
    }
    .feature-card-footer {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px solid var(--slate-100);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
      color: var(--primary-600);
      font-weight: 600;
    }

    /* 板块4：多场景行业解决方案 (Solutions) */
    .solutions-section {
      background-color: var(--white);
    }
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .solution-card {
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--white);
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .solution-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .solution-cover {
      height: 190px;
      width: 100%;
      object-fit: cover;
    }
    .solution-body {
      padding: 28px 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .solution-tag {
      display: inline-block;
      align-self: flex-start;
      font-size: 0.75rem;
      padding: 3px 10px;
      background: var(--primary-50);
      color: var(--primary-600);
      border-radius: var(--radius-full);
      font-weight: 600;
      margin-bottom: 12px;
    }
    .solution-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 10px;
    }
    .solution-desc {
      font-size: 0.90625rem;
      color: var(--slate-600);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .solution-points {
      list-style: none;
      margin-top: auto;
      padding-top: 14px;
      border-top: 1px solid var(--slate-100);
      font-size: 0.84375rem;
      color: var(--slate-500);
    }
    .solution-points li {
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .solution-points li::before {
      content: "•";
      color: var(--primary-600);
      font-weight: bold;
    }

    /* 板块5：沉浸式场景与演示区 (Interactive Showcase) */
    .showcase-section {
      background-color: var(--slate-100);
    }
    .showcase-board {
      background: var(--white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--slate-200);
      box-shadow: var(--shadow-xl);
      overflow: hidden;
    }
    .showcase-header {
      background: var(--dark-navy);
      color: var(--white);
      padding: 16px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .showcase-status {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.875rem;
    }
    .showcase-body {
      display: grid;
      grid-template-columns: 1.3fr 0.7fr;
      padding: 32px;
      gap: 36px;
      align-items: center;
    }
    .showcase-img-box img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--slate-200);
    }
    .showcase-points-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .showcase-point-card {
      background: var(--slate-50);
      padding: 18px 20px;
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--primary-600);
    }
    .showcase-point-card h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 6px;
    }
    .showcase-point-card p {
      font-size: 0.875rem;
      color: var(--slate-600);
      line-height: 1.55;
    }

    /* 板块6：深色战略与合规理念区 (Dark Theme Concept) */
    .dark-concept-section {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      color: var(--white);
    }
    .dark-concept-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .dark-concept-tag {
      display: inline-block;
      font-size: 0.8125rem;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      background: rgba(37, 99, 235, 0.25);
      color: #93C5FD;
      border: 1px solid rgba(147, 197, 253, 0.3);
      margin-bottom: 20px;
      font-weight: 600;
    }
    .dark-title {
      font-size: 2.125rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 20px;
      color: var(--white);
    }
    .dark-desc {
      font-size: 1rem;
      color: var(--slate-400);
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .dark-stats-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .dark-stat-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 22px;
      border-radius: var(--radius-md);
    }
    .dark-stat-card .val {
      font-size: 1.875rem;
      font-weight: 700;
      color: #60A5FA;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      margin-bottom: 4px;
    }
    .dark-stat-card .lbl {
      font-size: 0.8125rem;
      color: var(--slate-400);
    }
    .dark-visual img {
      border-radius: var(--radius-lg);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
      border: 1px solid rgba(255, 255, 255, 0.12);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 板块7：典型客户落地故事 (Customer Stories) */
    .stories-section {
      background-color: var(--white);
    }
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .story-card {
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-lg);
      padding: 32px;
      background: var(--white);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      gap: 20px;
      position: relative;
    }
    .story-badge {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary-600);
      background: var(--primary-50);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      align-self: flex-start;
    }
    .story-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--slate-900);
    }
    .story-card p {
      font-size: 0.9375rem;
      color: var(--slate-600);
      line-height: 1.7;
    }
    .story-metrics-line {
      display: flex;
      gap: 24px;
      padding-top: 16px;
      border-top: 1px dashed var(--slate-200);
    }
    .story-metric-item strong {
      display: block;
      font-size: 1.25rem;
      color: var(--primary-800);
      font-weight: 700;
      font-family: ui-monospace, monospace;
    }
    .story-metric-item span {
      font-size: 0.75rem;
      color: var(--slate-500);
    }

    /* 板块8：核心量化效能数据条 (Metrics Bar) */
    .metrics-bar-section {
      background: var(--primary-900);
      color: var(--white);
      padding: 56px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .metrics-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metrics-bar-item {
      padding: 0 16px;
      border-right: 1px solid rgba(255, 255, 255, 0.12);
    }
    .metrics-bar-item:last-child {
      border-right: none;
    }
    .metric-number {
      font-size: 2.625rem;
      font-weight: 800;
      color: #93C5FD;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-unit {
      font-size: 1.35rem;
      color: #60A5FA;
    }
    .metric-title {
      font-size: 0.9375rem;
      color: var(--slate-200);
      margin-bottom: 4px;
      font-weight: 600;
    }
    .metric-desc {
      font-size: 0.8125rem;
      color: var(--slate-400);
    }

    /* 板块9：用户口碑与评价墙 (Testimonials Wall) */
    .testimonials-section {
      background-color: var(--slate-50);
    }
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: var(--white);
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--slate-200);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .quote-mark {
      font-size: 2rem;
      color: #93C5FD;
      line-height: 1;
      margin-bottom: 12px;
    }
    .testimonial-text {
      font-size: 0.9375rem;
      color: var(--slate-700);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: normal;
    }
    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid var(--slate-100);
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-100);
      color: var(--primary-800);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.875rem;
    }
    .author-info h4 {
      font-size: 0.9375rem;
      color: var(--slate-900);
      font-weight: 700;
    }
    .author-info p {
      font-size: 0.75rem;
      color: var(--slate-500);
    }

    /* 板块10：财务资讯与深度行业洞见 (News Insights) */
    .news-section {
      background-color: var(--white);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .news-card {
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--white);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .news-cover {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta {
      font-size: 0.75rem;
      color: var(--slate-400);
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;
    }
    .news-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--slate-900);
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .news-summary {
      font-size: 0.875rem;
      color: var(--slate-600);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-btn {
      align-self: flex-start;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--primary-600);
      background: none;
      border: none;
      cursor: pointer;
      padding: 0;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块11：常见问答解答区 (FAQ Accordion) */
    .faq-section {
      background-color: var(--slate-50);
    }
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--white);
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 20px 24px;
      font-size: 1.0625rem;
      font-weight: 600;
      color: var(--slate-900);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .faq-question:hover {
      background-color: #FAFAFA;
      color: var(--primary-600);
    }
    .faq-toggle-icon {
      font-size: 1.25rem;
      color: var(--slate-400);
      transition: var(--transition);
      flex-shrink: 0;
    }
    .faq-answer {
      display: none;
      padding: 0 24px 22px 24px;
      font-size: 0.9375rem;
      color: var(--slate-600);
      line-height: 1.7;
      border-top: 1px solid var(--slate-100);
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
      color: var(--primary-600);
    }

    /* 板块12：底部获客转化推进区 (Final CTA) */
    .cta-section {
      background: linear-gradient(135deg, var(--primary-900) 0%, #172554 100%);
      color: var(--white);
      padding: 88px 0;
    }
    .cta-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .cta-content h2 {
      font-size: 2.125rem;
      font-weight: 700;
      margin-bottom: 18px;
      line-height: 1.3;
    }
    .cta-content p {
      font-size: 1rem;
      color: var(--slate-300);
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .cta-support-points {
      display: flex;
      gap: 24px;
      color: var(--slate-300);
      font-size: 0.875rem;
    }
    .cta-form {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-xl);
      color: var(--slate-800);
    }
    .form-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--slate-900);
      margin-bottom: 20px;
      text-align: center;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--slate-700);
      margin-bottom: 6px;
    }
    .form-input, .form-select {
      width: 100%;
      height: 44px;
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-sm);
      padding: 0 14px;
      font-size: 0.875rem;
      color: var(--slate-800);
      outline: none;
      transition: var(--transition);
      background-color: var(--white);
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--primary-600);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .btn-submit {
      width: 100%;
      height: 46px;
      background: var(--primary-600);
      color: var(--white);
      border: none;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 1rem;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
      transition: var(--transition);
      margin-top: 8px;
    }
    .btn-submit:hover {
      background: var(--primary-800);
      transform: translateY(-1px);
    }
    .form-privacy {
      font-size: 0.75rem;
      color: var(--slate-500);
      text-align: center;
      margin-top: 12px;
      line-height: 1.4;
    }

    /* 页脚 (Footer) */
    .site-footer {
      background-color: var(--dark-navy);
      color: var(--slate-400);
      padding: 64px 0 32px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 0.9fr 0.9fr 1.1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 14px;
      letter-spacing: -0.01em;
    }
    .footer-brand p {
      line-height: 1.7;
      color: var(--slate-400);
      margin-bottom: 20px;
      font-size: 0.875rem;
    }
    .footer-col h4 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--white);
      padding-left: 2px;
    }
    .footer-contact-item {
      margin-bottom: 12px;
      line-height: 1.5;
    }
    .footer-contact-item strong {
      color: var(--slate-200);
      display: block;
      margin-bottom: 2px;
    }
    .footer-bottom {
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
    }

    /* 资讯内嵌阅读弹窗 */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.7);
      backdrop-filter: blur(4px);
      z-index: 2000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }
    .modal-overlay.active {
      display: flex;
    }
    .modal-content {
      background: var(--white);
      border-radius: var(--radius-lg);
      max-width: 680px;
      width: 100%;
      padding: 32px;
      position: relative;
      max-height: 85vh;
      overflow-y: auto;
      box-shadow: var(--shadow-xl);
    }
    .modal-close-btn {
      position: absolute;
      top: 20px;
      right: 20px;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--slate-400);
    }
    .modal-close-btn:hover {
      color: var(--slate-800);
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid, .about-grid, .dark-concept-grid, .showcase-body, .cta-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .feature-grid, .solutions-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-bar-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 16px;
      }
      .metrics-bar-item:nth-child(2) {
        border-right: none;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .topbar {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 74px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--slate-200);
        box-shadow: var(--shadow-lg);
        display: none;
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-actions {
        display: none;
      }
      .feature-grid, .solutions-grid, .stories-grid, .testimonials-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .hero-h1 {
        font-size: 2.125rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .coupon-inner {
        flex-direction: column;
        align-items: flex-start;
      }
      .coupon-value {
        text-align: left;
      }
      .metrics-bar-grid {
        grid-template-columns: 1fr;
      }
      .metrics-bar-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        padding-bottom: 20px;
      }
      .metrics-bar-item:last-child {
        border-bottom: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .verify-badge-float {
        position: static;
        margin-top: 16px;
      }
    }