/* roulang page: index */
:root {
      --primary: #00E599;
      --primary-dark: #00B377;
      --primary-soft: rgba(0, 229, 153, 0.12);
      --secondary: #0A1C1A;
      --accent: #FF5722;
      --accent-hover: #E64A19;
      --bg-light: #F4F7F6;
      --bg-white: #FFFFFF;
      --bg-dark: #0B0F12;
      --bg-dark-card: #161D22;
      --text-main: #0F1715;
      --text-muted: #3C4845;
      --text-light: #7B8B87;
      --text-white: #FFFFFF;
      --border-color: #E2E8E6;
      --border-dark: #232D32;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-soft: 0 6px 24px -2px rgba(10, 28, 26, 0.06);
      --shadow-hover: 0 14px 34px -4px rgba(0, 229, 153, 0.2);
      --shadow-dark: 0 8px 30px rgba(0, 0, 0, 0.4);
      --font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --container-width: 1240px;
    }

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

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

    body {
      font-family: var(--font-family);
      background-color: var(--bg-white);
      color: var(--text-main);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部辅助条 */
    .top-bar {
      background-color: var(--secondary);
      color: #9EB0AB;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-tags {
      display: flex;
      gap: 18px;
    }
    .top-bar-tags span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .top-bar-tags span::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      box-shadow: 0 2px 18px rgba(0, 0, 0, 0.05);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 74px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo-mark {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--secondary) 0%, #163632 100%);
      border: 2px solid var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 900;
      font-size: 20px;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 30px;
    }
    .nav-menu li a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-menu li a:hover,
    .nav-menu li a.active {
      color: var(--secondary);
      font-weight: 600;
    }
    .nav-menu li a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-menu li a:hover::after,
    .nav-menu li a.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 24px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: none;
      transition: all 0.25s ease;
    }
    .btn-primary {
      background: var(--primary);
      color: var(--secondary);
    }
    .btn-primary:hover {
      background: #00cca0;
      box-shadow: 0 4px 16px rgba(0, 229, 153, 0.4);
      transform: translateY(-2px);
    }
    .btn-accent {
      background: var(--accent);
      color: #FFF;
    }
    .btn-accent:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 18px rgba(255, 87, 34, 0.35);
      transform: translateY(-2px);
    }
    .btn-outline {
      border: 1px solid var(--border-color);
      background: transparent;
      color: var(--secondary);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      background: var(--primary-soft);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--secondary);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* 板块通用头部 */
    .section-header {
      margin-bottom: 56px;
      position: relative;
    }
    .section-header.text-center {
      text-align: center;
    }
    .badge-sub {
      display: inline-block;
      padding: 5px 14px;
      background: var(--primary-soft);
      color: #038a5b;
      font-size: 13px;
      font-weight: 700;
      border-radius: 30px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .badge-sub-dark {
      background: rgba(0, 229, 153, 0.15);
      color: var(--primary);
    }
    .section-title {
      font-size: 34px;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-title-dark {
      color: var(--text-white);
    }
    .section-intro {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 820px;
      line-height: 1.8;
      margin: 0 auto;
    }
    .section-intro-dark {
      color: #A2B2AE;
    }

    /* 板块间距体系 */
    .py-section {
      padding: 96px 0;
    }
    .py-dense {
      padding: 56px 0;
    }
    .bg-light {
      background-color: var(--bg-light);
    }
    .bg-white {
      background-color: var(--bg-white);
    }
    .bg-dark {
      background-color: var(--bg-dark);
      color: var(--text-white);
    }

    /* 板块 1：Hero 区（斜切色块首屏） */
    .hero-wrap {
      position: relative;
      background-color: var(--secondary);
      color: var(--text-white);
      padding: 108px 0 140px;
      overflow: hidden;
      clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
    }
    .hero-bg-layer {
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(10, 28, 26, 0.88), rgba(10, 28, 26, 0.94)), url('/assets/images/0fcf35c436209f7f.jpg');
      background-size: cover;
      background-position: center;
      z-index: 1;
    }
    .hero-container {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.25fr 0.95fr;
      gap: 56px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0, 229, 153, 0.12);
      border: 1px solid rgba(0, 229, 153, 0.35);
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 13px;
      color: var(--primary);
      margin-bottom: 22px;
      font-weight: 600;
    }
    .hero-h1 {
      font-size: 48px;
      line-height: 1.22;
      font-weight: 800;
      margin-bottom: 24px;
      color: #FFFFFF;
      letter-spacing: -0.8px;
    }
    .hero-h1 span {
      color: var(--primary);
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.85;
      color: #CAD7D3;
      margin-bottom: 34px;
      max-width: 640px;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 38px;
    }
    .hero-trust-chips {
      display: flex;
      align-items: center;
      gap: 24px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .trust-chip-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #A3B6B1;
    }
    .trust-chip-item svg {
      width: 18px;
      height: 18px;
      fill: var(--primary);
      flex-shrink: 0;
    }

    /* 首屏右侧轮播 Banner */
    .hero-carousel {
      background: rgba(22, 29, 34, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-dark);
      position: relative;
    }
    .carousel-slider {
      position: relative;
      width: 100%;
      height: 380px;
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .carousel-slide {
      position: absolute;
      inset: 0;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.6s ease, visibility 0.6s ease;
    }
    .carousel-slide.active {
      opacity: 1;
      visibility: visible;
    }
    .carousel-slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .carousel-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 24px 20px 16px;
      background: linear-gradient(transparent, rgba(11, 15, 18, 0.95));
      color: #FFF;
    }
    .carousel-overlay h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--primary);
    }
    .carousel-overlay p {
      font-size: 13px;
      color: #D3DFDB;
      line-height: 1.5;
    }
    .carousel-dots {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 14px;
    }
    .carousel-dot {
      width: 24px;
      height: 4px;
      border-radius: 2px;
      background: rgba(255, 255, 255, 0.25);
      cursor: pointer;
      transition: all 0.3s;
    }
    .carousel-dot.active {
      background: var(--primary);
      width: 40px;
    }

    /* 板块 2：卖点三连透视区 */
    .pillar-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .pillar-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 40px 32px;
      position: relative;
      box-shadow: var(--shadow-soft);
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .pillar-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .pillar-idx {
      font-size: 44px;
      font-weight: 900;
      color: rgba(0, 229, 153, 0.35);
      line-height: 1;
      margin-bottom: 20px;
      font-family: Arial, Helvetica, sans-serif;
    }
    .pillar-title {
      font-size: 21px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 14px;
    }
    .pillar-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .pillar-tag {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 600;
      color: #038a5b;
      background: var(--primary-soft);
      padding: 4px 10px;
      border-radius: 4px;
    }

    /* 板块 3：硬指标与架构纵深 */
    .depth-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .depth-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
    }
    .depth-badge-card {
      position: absolute;
      bottom: 24px;
      right: 24px;
      background: rgba(10, 28, 26, 0.92);
      border: 1px solid var(--primary);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      color: #FFF;
      box-shadow: 0 10px 24px rgba(0,0,0,0.3);
    }
    .depth-badge-card .num {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 4px;
    }
    .depth-badge-card .txt {
      font-size: 12px;
      color: #CAD7D3;
    }
    .depth-content h3 {
      font-size: 26px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 18px;
      line-height: 1.35;
    }
    .depth-metrics-list {
      margin-top: 28px;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .metric-box {
      border-left: 3px solid var(--primary);
      padding-left: 14px;
    }
    .metric-val {
      font-size: 24px;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.2;
    }
    .metric-label {
      font-size: 13px;
      color: var(--text-light);
      margin-top: 4px;
    }

    /* 板块 4：6卡核心优势阵列 */
    .benefit-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .benefit-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all 0.3s;
    }
    .benefit-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .benefit-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }
    .benefit-icon svg {
      width: 24px;
      height: 24px;
      fill: #00B377;
    }
    .benefit-item h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
    }
    .benefit-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 5：3列全高应用场景 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .scene-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-soft);
      transition: all 0.3s ease;
    }
    .scene-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-6px);
    }
    .scene-img-holder {
      height: 210px;
      position: relative;
      overflow: hidden;
    }
    .scene-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .scene-card:hover .scene-img-holder img {
      transform: scale(1.06);
    }
    .scene-pill {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(10, 28, 26, 0.85);
      color: var(--primary);
      padding: 4px 12px;
      border-radius: 30px;
      font-size: 12px;
      font-weight: 600;
      backdrop-filter: blur(8px);
    }
    .scene-body {
      padding: 30px 26px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .scene-body h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 12px;
    }
    .scene-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 22px;
      flex-grow: 1;
    }
    .scene-metric-strip {
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-light);
    }
    .scene-metric-strip strong {
      color: var(--secondary);
      font-size: 14px;
    }

    /* 板块 6：深色理念与神经网络底层 */
    .dark-concept {
      background-color: var(--bg-dark);
      background-image: radial-gradient(circle at 80% 20%, rgba(0, 229, 153, 0.08) 0%, transparent 60%);
      color: var(--text-white);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .concept-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .flow-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .flow-step-box {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      display: flex;
      gap: 18px;
      align-items: flex-start;
      transition: border-color 0.3s;
    }
    .flow-step-box:hover {
      border-color: var(--primary);
    }
    .flow-step-num {
      width: 34px;
      height: 34px;
      background: var(--primary-soft);
      border: 1px solid var(--primary);
      color: var(--primary);
      font-weight: 800;
      font-size: 15px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .flow-step-info h4 {
      font-size: 17px;
      color: var(--text-white);
      margin-bottom: 6px;
      font-weight: 700;
    }
    .flow-step-info p {
      font-size: 14px;
      color: #93A6A1;
      line-height: 1.6;
    }

    /* 板块 7：对比差异区 */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .compare-column {
      border-radius: var(--radius-lg);
      padding: 40px;
      position: relative;
    }
    .compare-tradition {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
    }
    .compare-system {
      background: #FFFFFF;
      border: 2px solid var(--primary);
      box-shadow: 0 10px 30px rgba(0, 229, 153, 0.12);
    }
    .compare-tag {
      position: absolute;
      top: -14px;
      right: 32px;
      background: var(--primary);
      color: var(--secondary);
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
    }
    .compare-head {
      margin-bottom: 28px;
      padding-bottom: 18px;
      border-bottom: 1px solid rgba(0,0,0,0.08);
    }
    .compare-head h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .compare-list li {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      font-size: 15px;
      line-height: 1.6;
    }
    .compare-icon-bad {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: #FEECEB;
      color: #D32F2F;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 13px;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .compare-icon-good {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--primary-soft);
      color: #038a5b;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 13px;
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* 板块 8：深度用户实践故事 */
    .story-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-soft);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 48px;
      align-items: center;
    }
    .story-cover {
      border-radius: var(--radius-md);
      overflow: hidden;
      position: relative;
    }
    .story-cover img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }
    .story-badge-float {
      position: absolute;
      bottom: 16px;
      left: 16px;
      background: rgba(10, 28, 26, 0.88);
      color: var(--primary);
      font-size: 12px;
      padding: 6px 14px;
      border-radius: 6px;
      backdrop-filter: blur(6px);
    }
    .story-quote-sym {
      font-size: 60px;
      line-height: 1;
      color: var(--primary);
      font-family: Georgia, serif;
      margin-bottom: -10px;
    }
    .story-statement {
      font-size: 18px;
      font-weight: 600;
      color: var(--secondary);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .story-timeline {
      display: flex;
      gap: 24px;
      margin-bottom: 28px;
      padding: 16px 0;
      border-top: 1px dashed var(--border-color);
      border-bottom: 1px dashed var(--border-color);
    }
    .story-timeline-item h5 {
      font-size: 20px;
      color: #FF5722;
      font-weight: 800;
      margin-bottom: 2px;
    }
    .story-timeline-item span {
      font-size: 12px;
      color: var(--text-light);
    }
    .story-author-info {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .story-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--secondary);
    }

    /* 板块 9：多维硬核数据统计条 */
    .stats-strip {
      background: var(--secondary);
      color: var(--text-white);
      border-top: 1px solid rgba(255,255,255,0.08);
      border-bottom: 1px solid rgba(255,255,255,0.08);
      position: relative;
      background-image: linear-gradient(rgba(10, 28, 26, 0.95), rgba(10, 28, 26, 0.95)), url('/assets/images/1cca1b9337993e8d.png');
      background-size: cover;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .stat-number {
      font-size: 44px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
      font-family: Arial, sans-serif;
    }
    .stat-title {
      font-size: 15px;
      font-weight: 600;
      color: #E2E8E6;
      margin-bottom: 6px;
    }
    .stat-desc {
      font-size: 12px;
      color: #8CA09A;
    }

    /* 板块 10：立体多角色用户评价区 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-card:hover {
      border-color: var(--primary);
    }
    .testi-stars {
      color: #FFB300;
      font-size: 15px;
      letter-spacing: 2px;
      margin-bottom: 14px;
    }
    .testi-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
      flex-grow: 1;
    }
    .testi-profile {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E8F3EF;
      color: var(--secondary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }
    .testi-meta h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--secondary);
    }
    .testi-meta p {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 板块 11：行业资讯与算法演进 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      box-shadow: var(--shadow-soft);
      transition: all 0.3s;
    }
    .news-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
      transform: translateY(-3px);
    }
    .news-thumb {
      width: 200px;
      flex-shrink: 0;
      position: relative;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-info {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta-row {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 10px;
    }
    .news-tag {
      color: #038a5b;
      font-weight: 600;
      background: var(--primary-soft);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .news-info h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .news-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: #00B377;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 12：异议拆解与技术 FAQ */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-panel {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: var(--bg-white);
      overflow: hidden;
      transition: border-color 0.25s;
    }
    .faq-panel.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-soft);
    }
    .faq-header {
      padding: 22px 26px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      background: #FFFFFF;
    }
    .faq-header h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
    }
    .faq-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--bg-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--secondary);
      transition: transform 0.3s;
    }
    .faq-panel.active .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
      color: var(--secondary);
    }
    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #FAFBFB;
    }
    .faq-panel.active .faq-body {
      max-height: 240px;
      padding: 0 26px 22px 26px;
    }
    .faq-body p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 板块 13：极速转化与终极保障区 */
    .conversion-card {
      background: linear-gradient(135deg, #0A1C1A 0%, #162C28 100%);
      border-radius: var(--radius-lg);
      padding: 64px 56px;
      color: var(--text-white);
      box-shadow: var(--shadow-dark);
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
    }
    .conv-info h2 {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
    }
    .conv-info p {
      font-size: 16px;
      color: #CAD7D3;
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .conv-seals {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .seal-box {
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: var(--radius-sm);
      padding: 14px;
      text-align: center;
      background: rgba(255,255,255,0.03);
    }
    .seal-box svg {
      width: 22px;
      height: 22px;
      fill: var(--primary);
      margin-bottom: 6px;
    }
    .seal-box span {
      display: block;
      font-size: 12px;
      color: #A3B6B1;
    }
    .conv-form {
      background: #FFFFFF;
      padding: 36px;
      border-radius: var(--radius-md);
      color: var(--secondary);
      box-shadow: 0 16px 36px rgba(0,0,0,0.25);
    }
    .conv-form h4 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--secondary);
    }
    .conv-form p {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 22px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-family: inherit;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--primary-dark);
      box-shadow: 0 0 0 3px rgba(0, 229, 153, 0.2);
    }

    /* 底部常驻浮动唤醒条 */
    .sticky-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 999;
      background: rgba(10, 28, 26, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-top: 1px solid rgba(0, 229, 153, 0.3);
      padding: 12px 0;
      box-shadow: 0 -4px 20px rgba(0,0,0,0.25);
    }
    .sticky-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
    }
    .sticky-badge {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .sticky-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 10px var(--primary);
    }
    .sticky-text {
      color: #FFF;
      font-size: 14px;
      font-weight: 600;
    }
    .sticky-text span {
      color: #CAD7D3;
      font-weight: 400;
      margin-left: 8px;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #070B0E;
      color: #8C9C98;
      font-size: 14px;
      padding: 70px 0 110px; /* 底部预留唤醒条空间 */
      border-top: 1px solid rgba(255,255,255,0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 20px;
      color: #FFF;
      margin-bottom: 14px;
      font-weight: 700;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      color: #7D8E8A;
      margin-bottom: 18px;
    }
    .footer-col h5 {
      font-size: 15px;
      color: #FFF;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links li a {
      color: #7D8E8A;
      font-size: 13px;
    }
    .footer-links li a:hover {
      color: var(--primary);
    }
    .footer-contact p {
      font-size: 13px;
      margin-bottom: 8px;
      color: #9AAEA9;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
    }
    .footer-bottom a {
      color: #7D8E8A;
    }
    .footer-bottom a:hover {
      color: var(--primary);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .depth-grid,
      .concept-grid,
      .story-card,
      .conversion-card {
        grid-template-columns: 1fr;
      }
      .pillar-cards,
      .benefit-grid,
      .scene-grid,
      .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #FFF;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 12px 28px rgba(0,0,0,0.1);
        display: none;
        gap: 18px;
      }
      .nav-menu.show {
        display: flex;
      }
      .nav-actions {
        display: none;
      }
      .hero-h1 {
        font-size: 34px;
      }
      .section-title {
        font-size: 26px;
      }
      .pillar-cards,
      .benefit-grid,
      .scene-grid,
      .compare-container,
      .stats-grid,
      .testimonial-grid,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .news-card {
        flex-direction: column;
      }
      .news-thumb {
        width: 100%;
        height: 180px;
      }
      .conv-card {
        padding: 32px 20px;
      }
      .sticky-bar-inner {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
      }
      .sticky-badge {
        justify-content: center;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }