/* roulang page: index */
:root {
      --primary-deep: #0B3D2E;
      --primary-dark: #06281E;
      --accent-gold: #C49A2C;
      --highlight-orange: #E87A3B;
      --bg-warm: #FAF7F2;
      --white-soft: #FFFCF5;
      --glass-bg: rgba(255,252,245,0.7);
      --glass-border: rgba(196,154,44,0.2);
      --text-dark: #1E2B23;
      --text-muted: #6B6B5E;
      --shadow-sm: 0 4px 20px rgba(11,61,46,0.06);
      --shadow-hover: 0 12px 36px rgba(11,61,46,0.12);
      --radius-lg: 24px;
      --radius-card: 20px;
      --radius-btn: 50px;
      --radius-input: 12px;
      --font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
      --font-sans: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
      --transition: all 0.25s ease;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-warm);
      color: var(--text-dark);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

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

    h1, h2, h3 {
      font-family: var(--font-serif);
      font-weight: 700;
      color: var(--primary-deep);
      margin-bottom: 0.5rem;
    }

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

    h2 {
      font-size: 36px;
      text-align: center;
      margin-bottom: 2.5rem;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1rem;
    }

    h2::after {
      content: '';
      flex: 0 0 50px;
      height: 3px;
      background: var(--accent-gold);
      border-radius: 2px;
    }

    h2::before {
      content: '';
      flex: 0 0 50px;
      height: 3px;
      background: var(--accent-gold);
      border-radius: 2px;
    }

    h3 {
      font-size: 22px;
      font-weight: 600;
      color: var(--primary-deep);
    }

    .section {
      padding: 100px 0;
    }

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

    /* 浮动Dock导航 */
    .dock-nav {
      position: fixed;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      width: calc(100% - 40px);
      max-width: 720px;
      background: rgba(11,61,46,0.88);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(196,154,44,0.3);
      border-radius: 40px;
      padding: 0 24px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      z-index: 1000;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      transition: var(--transition);
    }

    .logo-text {
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 20px;
      color: var(--white-soft);
      display: flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }

    .logo-text i {
      color: var(--accent-gold);
      font-size: 20px;
    }

    .nav-links {
      display: flex;
      gap: 24px;
      align-items: center;
      font-weight: 500;
      font-size: 15px;
      color: rgba(255,252,245,0.85);
    }

    .nav-links a {
      color: rgba(255,252,245,0.85);
      padding: 6px 0;
      border-bottom: 2px solid transparent;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--accent-gold);
      border-bottom-color: var(--accent-gold);
    }

    .dock-cta {
      background: var(--accent-gold);
      color: #0B3D2E;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 40px;
      font-size: 14px;
      letter-spacing: 0.5px;
      transition: all 0.3s;
      box-shadow: 0 4px 12px rgba(196,154,44,0.4);
      white-space: nowrap;
    }

    .dock-cta:hover {
      background: #D4AA3C;
      box-shadow: 0 0 24px rgba(196,154,44,0.7);
      transform: translateY(-2px);
      color: #0B3D2E;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--white-soft);
      font-size: 24px;
    }

    /* 移动端底部Dock */
    @media (max-width: 768px) {
      .dock-nav {
        top: auto;
        bottom: 0;
        left: 0;
        transform: none;
        width: 100%;
        max-width: 100%;
        border-radius: 24px 24px 0 0;
        height: 70px;
        padding: 0 20px;
        justify-content: space-between;
      }
      .nav-links {
        display: none;
        position: fixed;
        bottom: 70px;
        left: 0;
        width: 100%;
        background: rgba(6,40,30,0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        border-radius: 20px 20px 0 0;
        gap: 16px;
        align-items: center;
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .dock-cta {
        padding: 8px 18px;
        font-size: 13px;
      }
      h1 { font-size: 32px; }
      h2 { font-size: 28px; }
      .section { padding: 70px 0; }
    }

    /* Hero */
    .hero {
      background: linear-gradient(135deg, #0B3D2E 0%, #06281E 100%);
      color: white;
      padding: 160px 0 120px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
    }

    .hero-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      flex-wrap: wrap;
    }

    .hero-text {
      flex: 1 1 500px;
    }

    .hero-text h1 {
      color: white;
      font-size: 48px;
      margin-bottom: 20px;
    }

    .hero-sub {
      font-size: 18px;
      color: var(--accent-gold);
      margin-bottom: 32px;
      font-weight: 400;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: var(--accent-gold);
      color: #0B3D2E;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: 50px;
      transition: all 0.3s;
      box-shadow: 0 8px 20px rgba(196,154,44,0.4);
      display: inline-block;
    }

    .btn-primary:hover {
      background: #D4AA3C;
      box-shadow: 0 0 28px rgba(196,154,44,0.7);
      transform: translateY(-3px);
      color: #0B3D2E;
    }

    .btn-outline {
      border: 1px solid rgba(255,252,245,0.7);
      color: white;
      padding: 14px 32px;
      border-radius: 50px;
      font-weight: 600;
      background: transparent;
      transition: 0.3s;
    }

    .btn-outline:hover {
      background: rgba(255,255,255,0.08);
      border-color: var(--accent-gold);
      color: var(--accent-gold);
    }

    .hero-visual {
      flex: 1 1 400px;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-radius: 30px;
      height: 360px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.4);
      position: relative;
      overflow: hidden;
    }

    .hero-visual::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(11,61,46,0.5), transparent);
    }

    /* 玻璃卡片通用 */
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      padding: 28px;
      transition: all 0.3s;
    }

    .glass-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(196,154,44,0.5);
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

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

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      text-align: center;
      gap: 30px;
    }

    .stat-number {
      font-size: 40px;
      font-weight: 700;
      background: linear-gradient(135deg, #C49A2C, #E87A3B);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .service-img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      border-radius: 16px;
      margin-bottom: 20px;
    }

    .tag {
      background: transparent;
      border: 1px solid var(--primary-deep);
      color: var(--primary-deep);
      padding: 4px 14px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      display: inline-block;
    }

    .process-steps {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      position: relative;
    }

    .step-item {
      text-align: center;
      flex: 1;
      position: relative;
    }

    .step-circle {
      width: 48px;
      height: 48px;
      background: var(--primary-deep);
      color: var(--accent-gold);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 20px;
    }

    .accordion-title {
      background: var(--primary-deep);
      color: white;
      padding: 16px 24px;
      border-radius: 12px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .accordion-content {
      background: var(--white-soft);
      padding: 20px;
      border-left: 3px solid var(--accent-gold);
      border-radius: 0 0 12px 12px;
      margin-bottom: 12px;
    }

    .footer {
      background: #0B3D2E;
      color: #D4C5B2;
      padding: 60px 0 30px;
    }

    input, textarea {
      background: var(--white-soft);
      border: 1px solid #D4C5B2;
      border-radius: var(--radius-input);
      padding: 14px;
      width: 100%;
      transition: 0.2s;
    }

    input:focus, textarea:focus {
      outline: none;
      border-color: var(--accent-gold);
      box-shadow: 0 0 0 3px rgba(196,154,44,0.3);
    }

    @media (max-width: 1024px) {
      .grid-3 { grid-template-columns: 1fr 1fr; }
      .stats-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 640px) {
      .grid-3, .grid-2, .stats-grid { grid-template-columns: 1fr; }
      .hero-content { flex-direction: column; }
      .process-steps { flex-direction: column; gap: 24px; }
    }