/* roulang page: index */
:root {
      --deep-space: #0B1D3A;
      --midnight-blue: #162D50;
      --star-gold: #C9A96E;
      --star-gold-hover: #B8923D;
      --silver-white: #F4F5F7;
      --pure-white: #FFFFFF;
      --border-light: #E8EBF0;
      --text-dark: #2C3E50;
      --text-body: #4A5568;
      --text-weak: #718096;
      --success-green: #2D8B5A;
      --alert-orange: #C75B2A;
      --radius-card: 16px;
      --radius-button: 50px;
      --radius-input: 8px;
      --shadow-sm: 0 4px 20px rgba(11, 29, 58, 0.06);
      --shadow-hover: 0 12px 32px rgba(11, 29, 58, 0.12);
      --font-title: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --font-number: 'DIN Alternate', 'Bebas Neue', 'Segoe UI', sans-serif;
      --transition-smooth: all 0.25s ease;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--silver-white);
      color: var(--text-body);
      margin: 0;
      line-height: 1.75;
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4 {
      font-family: var(--font-title);
      color: var(--deep-space);
      margin-top: 0;
    }

    h1 {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.5px;
    }

    h2 {
      font-size: 34px;
      font-weight: 700;
      margin-bottom: 1rem;
      letter-spacing: -0.3px;
    }

    h3 {
      font-size: 22px;
      font-weight: 600;
      margin-bottom: 0.5rem;
    }

    h4 {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 0.25rem;
    }

    a {
      color: var(--star-gold);
      text-decoration: none;
      transition: var(--transition-smooth);
    }

    a:hover {
      color: var(--star-gold-hover);
      text-decoration: underline;
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 16px;
    }

    /* 按钮体系 */
    .btn-primary {
      background: var(--star-gold);
      color: var(--deep-space);
      font-weight: 700;
      border-radius: var(--radius-button);
      padding: 14px 32px;
      border: none;
      font-family: var(--font-title);
      font-size: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: var(--transition-smooth);
      box-shadow: 0 4px 12px rgba(201, 169, 110, 0.3);
      text-decoration: none;
      line-height: 1.2;
    }

    .btn-primary:hover {
      background: var(--star-gold-hover);
      box-shadow: 0 8px 20px rgba(184, 146, 61, 0.4);
      transform: translateY(-1px);
      color: var(--deep-space);
      text-decoration: none;
    }

    .btn-secondary {
      background: transparent;
      color: var(--star-gold);
      border: 1.5px solid var(--star-gold);
      border-radius: var(--radius-button);
      padding: 14px 32px;
      font-weight: 700;
      font-family: var(--font-title);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }

    .btn-secondary:hover {
      background: rgba(201, 169, 110, 0.1);
      border-color: var(--star-gold-hover);
      color: var(--star-gold-hover);
      text-decoration: none;
    }

    /* 导航 */
    .galaxy-nav {
      background: var(--pure-white);
      border-bottom: 1px solid rgba(0,0,0,0.04);
      box-shadow: 0 2px 12px rgba(0,0,0,0.02);
      position: sticky;
      top: 0;
      z-index: 100;
      padding: 12px 0;
    }

    .nav-logo {
      font-family: var(--font-title);
      font-weight: 800;
      font-size: 1.7rem;
      color: var(--deep-space);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-logo i {
      color: var(--star-gold);
      font-size: 2rem;
    }

    .nav-link {
      color: var(--text-dark);
      font-weight: 500;
      margin: 0 12px;
      padding: 8px 0;
      border-bottom: 2px solid transparent;
      transition: var(--transition-smooth);
    }

    .nav-link:hover {
      color: var(--star-gold);
      border-bottom-color: var(--star-gold);
    }

    .pulse-badge {
      background: #FEF3E0;
      color: #B45F2A;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
      margin-left: 12px;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { opacity: 1; }
      50% { opacity: 0.7; }
      100% { opacity: 1; }
    }

    /* Hero */
    .hero-section {
      padding: 60px 0 80px;
    }

    .hero-image-card {
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-hover);
      background: #0B1D3A;
    }

    .data-badge-row {
      display: flex;
      gap: 24px;
      margin-top: 20px;
      flex-wrap: wrap;
    }

    .data-badge {
      background: rgba(11, 29, 58, 0.8);
      backdrop-filter: blur(12px);
      color: white;
      border-radius: 12px;
      padding: 12px 20px;
      text-align: center;
    }

    .data-number {
      font-family: var(--font-number);
      font-size: 2rem;
      font-weight: 700;
      color: var(--star-gold);
      line-height: 1.2;
    }

    /* 卡片通用 */
    .galaxy-card {
      background: var(--pure-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      transition: var(--transition-smooth);
      height: 100%;
    }

    .galaxy-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .icon-circle {
      width: 60px;
      height: 60px;
      background: rgba(201, 169, 110, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--star-gold);
      font-size: 1.8rem;
      margin-bottom: 1.2rem;
    }

    /* 业务版图卡片 */
    .biz-card-img {
      height: 160px;
      object-fit: cover;
      border-radius: 16px 16px 0 0;
      transition: transform 0.4s ease;
    }

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

    .overlay-hover {
      position: relative;
    }

    .overlay-hover::after {
      content: "了解更多 →";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 160px;
      background: rgba(11, 29, 58, 0.6);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      opacity: 0;
      transition: 0.3s;
      border-radius: 16px 16px 0 0;
    }

    .biz-card:hover .overlay-hover::after {
      opacity: 1;
    }

    /* 案例瀑布流 */
    .masonry-grid {
      column-count: 3;
      column-gap: 24px;
    }

    .masonry-item {
      break-inside: avoid;
      margin-bottom: 24px;
      background: white;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-smooth);
    }

    .masonry-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    /* 方案对比 */
    .vs-badge {
      background: var(--star-gold);
      color: var(--deep-space);
      font-weight: 800;
      border-radius: 50%;
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      box-shadow: 0 8px 18px rgba(201,169,110,0.4);
    }

    .traditional-card {
      background: #F0F2F5;
      border: 1px solid #D1D7E0;
    }

    .galaxy-scheme-card {
      background: linear-gradient(145deg, #0B1D3A 0%, #162D50 100%);
      color: white;
      border: 1px solid var(--star-gold);
    }

    /* FAQ */
    .accordion-item {
      border-bottom: 1px solid var(--border-light);
      padding: 12px 0;
    }

    .accordion-title {
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      cursor: pointer;
      color: var(--deep-space);
    }

    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
      color: var(--text-body);
      padding-left: 16px;
      border-left: 3px solid transparent;
    }

    .accordion-item.active .accordion-content {
      max-height: 200px;
      border-left-color: var(--star-gold);
      margin-top: 8px;
    }

    /* 品牌渐变背景 */
    .brand-gradient {
      background: linear-gradient(135deg, #0B1D3A 0%, #162D50 100%);
      position: relative;
    }

    .brand-gradient::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.04) 1px, transparent 1px);
      background-size: 60px 60px;
      pointer-events: none;
    }

    .footer-dark {
      background: #0B1D3A;
      color: #CCD6E0;
    }

    @media (max-width: 1024px) {
      h1 { font-size: 38px; }
      .masonry-grid { column-count: 2; }
    }

    @media (max-width: 768px) {
      h1 { font-size: 32px; }
      .masonry-grid { column-count: 1; }
      .hero-section .grid-x {
        flex-direction: column;
      }
    }