/* roulang page: index */
:root {
      --primary-deep: #1E2A38;
      --accent-gold: #C9A96E;
      --bg-warm: #F7F5F0;
      --growth-green: #2D5F4C;
      --text-dark: #3A3A3A;
      --text-light: #AAB2BD;
      --white: #FFFFFF;
      --border-light: #D9D9D9;
      --shadow-card: 0 8px 24px rgba(0,0,0,0.04);
      --radius-card: 12px;
      --radius-button: 8px;
      --font-heading: 'Noto Sans SC', sans-serif;
      --font-body: 'Noto Sans SC', sans-serif;
      --font-number: 'Inter', sans-serif;
      --transition-base: all 0.25s ease;
    }

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

    body {
      font-family: var(--font-body);
      background-color: var(--bg-warm);
      color: var(--text-dark);
      line-height: 1.7;
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
    }

    .container-main {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 导航 —— 搜索主导风格 */
    .galaxy-nav {
      background: var(--primary-deep);
      padding: 0 24px;
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 50;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

    .nav-logo {
      font-family: var(--font-heading);
      font-weight: 700;
      font-size: 1.4rem;
      color: var(--accent-gold);
      letter-spacing: 1px;
      white-space: nowrap;
    }

    .nav-search {
      background: var(--white);
      border-radius: 40px;
      padding: 8px 18px;
      display: flex;
      align-items: center;
      gap: 8px;
      width: 38%;
      max-width: 400px;
      min-width: 180px;
      color: var(--text-dark);
      border: 1px solid transparent;
      transition: var(--transition-base);
    }
    .nav-search i {
      color: var(--accent-gold);
      font-size: 1rem;
    }
    .nav-search input {
      border: none;
      background: transparent;
      width: 100%;
      font-size: 0.9rem;
      outline: none;
    }
    .nav-search input::placeholder {
      color: #8a8a8a;
      font-weight: 400;
    }

    .nav-links {
      display: flex;
      gap: 28px;
      align-items: center;
    }
    .nav-links a {
      color: #ddd;
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      transition: color 0.2s;
      letter-spacing: 0.3px;
    }
    .nav-links a:hover {
      color: var(--accent-gold);
    }

    .hamburger {
      display: none;
      color: var(--accent-gold);
      font-size: 1.8rem;
      cursor: pointer;
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--primary-deep);
        padding: 20px 24px;
        gap: 16px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.2);
      }
      .nav-links.active {
        display: flex;
      }
      .hamburger {
        display: block;
      }
      .nav-search {
        width: 50%;
        min-width: 140px;
      }
      .nav-logo {
        font-size: 1.2rem;
      }
    }

    section {
      padding: 80px 0;
    }

    h1, h2, h3 {
      font-family: var(--font-heading);
      font-weight: 700;
      color: var(--primary-deep);
    }

    h2 {
      font-size: 2rem;
      margin-bottom: 16px;
      display: inline-block;
      position: relative;
    }
    .section-title-wrapper {
      margin-bottom: 48px;
    }
    .title-underline {
      width: 50px;
      height: 3px;
      background: var(--accent-gold);
      margin-top: 8px;
      border-radius: 2px;
    }

    /* 按钮 */
    .btn-primary {
      background: var(--accent-gold);
      color: white;
      font-weight: 700;
      padding: 12px 32px;
      border-radius: var(--radius-button);
      text-decoration: none;
      display: inline-block;
      transition: var(--transition-base);
      border: none;
      cursor: pointer;
      font-size: 1rem;
      letter-spacing: 0.5px;
    }
    .btn-primary:hover {
      background: #b8914f;
      color: white;
      transform: translateY(-2px);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--accent-gold);
      color: var(--accent-gold);
      font-weight: 700;
      padding: 12px 32px;
      border-radius: var(--radius-button);
      text-decoration: none;
      transition: var(--transition-base);
    }
    .btn-outline:hover {
      background: var(--accent-gold);
      color: white;
    }

    .card {
      background: var(--white);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: transform 0.2s;
    }

    /* Hero */
    .hero-section {
      background: linear-gradient(135deg, #1E2A38 0%, #2a3a4a 100%);
      padding: 0 24px;
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 90px 0;
    }
    .hero-text {
      flex: 1;
      color: white;
    }
    .hero-text h1 {
      font-size: 2.8rem;
      color: white;
      line-height: 1.3;
      margin-bottom: 1.2rem;
    }
    .hero-sub {
      font-size: 1.2rem;
      color: #e0e0e0;
      font-weight: 300;
      margin-bottom: 2rem;
    }
    .hero-visual {
      flex: 1;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      border-radius: 20px;
      height: 340px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
      position: relative;
    }
    .year-badge {
      position: absolute;
      bottom: 20px;
      right: 20px;
      font-size: 2.8rem;
      font-weight: 700;
      color: rgba(201, 169, 110, 0.25);
      font-family: var(--font-number);
    }

    @media (max-width: 768px) {
      .hero-grid {
        flex-direction: column;
        padding: 60px 0;
      }
      .hero-text h1 {
        font-size: 2rem;
      }
      .hero-visual {
        width: 100%;
        height: 240px;
      }
    }

    /* 指标卡片 */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: white;
      border-radius: var(--radius-card);
      padding: 20px;
      display: flex;
      align-items: center;
      gap: 18px;
      box-shadow: var(--shadow-card);
      border-left: 5px solid var(--growth-green);
    }
    .metric-number {
      font-family: var(--font-number);
      font-size: 2.6rem;
      font-weight: 700;
      color: var(--primary-deep);
    }
    .metric-trend {
      color: var(--growth-green);
      font-weight: 600;
      margin-left: 6px;
    }
    @media (max-width: 768px) {
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .metric-card {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      text-align: center;
      padding: 32px 20px;
    }
    .service-icon {
      font-size: 2.6rem;
      color: var(--accent-gold);
      margin-bottom: 16px;
      background: rgba(201,169,110,0.1);
      width: 70px;
      height: 70px;
      line-height: 70px;
      border-radius: 50%;
      margin-left: auto;
      margin-right: auto;
    }

    .comparison-table {
      display: flex;
      flex-direction: column;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .comp-row {
      display: flex;
    }
    .comp-cell {
      flex: 1;
      padding: 16px 20px;
      background: white;
      border-bottom: 1px solid #eee;
    }
    .comp-left {
      background: #faf7f2;
      font-weight: 600;
    }
    .fa-check-circle {
      color: var(--growth-green);
      margin-right: 6px;
    }

    .faq-item {
      background: white;
      border-radius: 8px;
      margin-bottom: 12px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    }
    .faq-question {
      padding: 18px 24px;
      font-weight: 700;
      display: flex;
      justify-content: space-between;
      cursor: pointer;
    }
    .faq-answer {
      padding: 0 24px 18px;
      display: none;
      color: #4a4a4a;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    footer {
      background: var(--primary-deep);
      color: #AAB2BD;
      padding: 48px 0 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 30px;
    }
    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .service-grid {
        grid-template-columns: 1fr;
      }
      .comp-row {
        flex-direction: column;
      }
    }