/* roulang page: index */
:root {
      --primary-deep: #0A0E27;
      --primary-light: #141B33;
      --accent-gold: #D4AF37;
      --accent-red: #FF3C38;
      --bg-light: #F5F5F7;
      --white: #FFFFFF;
      --text-dark: #333333;
      --text-muted: #999999;
      --border-light: #E5E5E5;
      --card-shadow: 0 2px 12px rgba(0,0,0,0.04), 0 0 0 1px rgba(0,0,0,0.03);
      --card-hover-shadow: 0 8px 24px rgba(0,0,0,0.08);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-input: 6px;
      --radius-sharp: 4px;
      --font-numbers: 'Roboto Condensed', 'DIN Alternate', 'Bebas Neue', sans-serif;
      --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
      --spacing-section: 80px;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.7;
      margin: 0;
      overflow-x: hidden;
    }

    h1, h2, h3, h4 {
      font-weight: 700;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }

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

    .container-custom {
      width: 100%;
      max-width: 1320px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 12px;
      padding-right: 12px;
    }

    /* 导航栏 */
    .navbar-custom {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 64px;
      background: rgba(10, 14, 39, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(212, 175, 55, 0.25);
      z-index: 1030;
      display: flex;
      align-items: center;
      padding: 0 20px;
    }

    .navbar-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-gold);
      font-weight: 700;
      font-size: 1.6rem;
      letter-spacing: 1px;
      text-shadow: 0 0 8px rgba(212,175,55,0.3);
      text-decoration: none;
    }

    .navbar-logo-icon {
      font-size: 2rem;
      line-height: 1;
      margin-right: 4px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      margin-left: auto;
      margin-right: 20px;
    }

    .nav-link-anchor {
      color: #ccc;
      font-weight: 500;
      font-size: 0.95rem;
      position: relative;
      padding: 4px 0;
      transition: color 0.2s;
    }

    .nav-link-anchor:hover {
      color: var(--accent-gold);
    }

    .nav-link-anchor::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent-gold);
      transition: width 0.2s ease;
    }

    .nav-link-anchor:hover::after {
      width: 100%;
    }

    .nav-countdown {
      background: var(--accent-red);
      color: white;
      padding: 5px 12px;
      border-radius: 30px;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      white-space: nowrap;
    }

    .btn-nav-cta {
      background: var(--accent-red);
      color: white;
      border: none;
      padding: 8px 20px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: all 0.2s ease;
      box-shadow: 0 0 12px rgba(255,60,56,0.4);
      white-space: nowrap;
    }

    .btn-nav-cta:hover {
      background: #cc2f2e;
      color: white;
      box-shadow: 0 0 18px rgba(255,60,56,0.7);
      transform: scale(1.02);
    }

    .navbar-toggler {
      border: none;
      color: var(--accent-gold);
      font-size: 1.8rem;
      background: transparent;
      margin-left: 12px;
    }

    .mobile-menu {
      position: fixed;
      top: 64px;
      left: 0;
      width: 100%;
      background: #0A0E27;
      padding: 30px 0;
      display: none;
      flex-direction: column;
      align-items: center;
      gap: 24px;
      z-index: 1029;
    }

    .mobile-menu a {
      font-size: 1.4rem;
      color: #ccc;
    }

    /* Hero */
    .hero-section {
      background: linear-gradient(135deg, #0A0E27 0%, #1A1F3A 100%);
      padding: 120px 0 80px;
      margin-top: 0;
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      pointer-events: none;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 700;
      background: linear-gradient(to right, #D4AF37, #FFD700);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -1px;
      line-height: 1.2;
    }

    .hero-sub {
      color: #aaa;
      font-size: 1.1rem;
      margin: 20px 0 28px;
    }

    .btn-gold {
      background: var(--accent-gold);
      color: #0A0E27;
      font-weight: 700;
      padding: 12px 30px;
      border-radius: var(--radius-btn);
      border: none;
      transition: 0.2s ease;
    }

    .btn-gold:hover {
      background: var(--accent-red);
      color: white;
    }

    .btn-outline-gold {
      background: transparent;
      border: 2px solid var(--accent-gold);
      color: var(--accent-gold);
      font-weight: 600;
      padding: 10px 28px;
      border-radius: var(--radius-btn);
      transition: 0.2s;
    }

    .btn-outline-gold:hover {
      background: var(--accent-gold);
      color: #0A0E27;
    }

    .hero-stat-card {
      background: rgba(30, 38, 72, 0.8);
      backdrop-filter: blur(4px);
      padding: 16px;
      border-radius: var(--radius-sharp);
      border-left: 3px solid var(--accent-gold);
    }

    .hero-stat-number {
      font-family: var(--font-numbers);
      font-size: 2rem;
      color: var(--accent-gold);
    }

    /* Stats 看板 */
    .stats-section {
      background: #141B33;
      padding: 40px 0;
    }

    .stat-item {
      background: #1E2648;
      border-radius: var(--radius-sharp);
      padding: 20px 10px;
      text-align: center;
      transition: 0.3s;
      border-top: 3px solid transparent;
    }

    .stat-item:hover {
      border-top-color: var(--accent-gold);
    }

    .stat-icon {
      font-size: 2rem;
      color: var(--accent-gold);
      margin-bottom: 8px;
    }

    .stat-number {
      font-family: var(--font-numbers);
      font-size: 2.2rem;
      color: var(--accent-gold);
    }

    /* Services */
    .section-title {
      font-size: 2.2rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 48px;
    }

    .section-title::before {
      content: '';
      width: 4px;
      height: 24px;
      background: var(--accent-gold);
      display: inline-block;
    }

    .service-large-card {
      background: var(--white);
      border-radius: var(--radius-card);
      box-shadow: var(--card-shadow);
      overflow: hidden;
      transition: 0.2s;
      height: 100%;
    }

    .service-large-card:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-2px);
    }

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

    .service-small-card:hover {
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-2px);
    }

    .service-card-img {
      height: 200px;
      object-fit: cover;
      width: 100%;
    }

    /* Results */
    .vs-center {
      font-family: var(--font-numbers);
      font-size: 3.5rem;
      color: var(--accent-gold);
      font-weight: 700;
    }

    .progress-custom {
      height: 6px;
      border-radius: 3px;
    }

    .progress-custom .progress-bar-gold {
      background: var(--accent-gold);
    }
    .progress-custom .progress-bar-red {
      background: var(--accent-red);
    }

    /* FAQ */
    .accordion-button:not(.collapsed) {
      background: transparent;
      color: var(--accent-gold);
      box-shadow: none;
    }
    .accordion-button:focus {
      border-color: transparent;
      box-shadow: none;
    }
    .accordion-item {
      border: none;
      border-bottom: 1px solid var(--border-light);
    }

    /* CTA */
    .cta-section {
      background: #0A0E27;
    }
    .form-control-dark {
      background: #1E2648;
      border: 1px solid #D4AF37;
      color: white;
      border-radius: var(--radius-input);
    }
    .form-control-dark:focus {
      box-shadow: 0 0 8px rgba(212,175,55,0.5);
      border-color: var(--accent-gold);
    }
    .btn-cta-red {
      background: var(--accent-red);
      border: none;
      color: white;
      font-weight: 700;
      padding: 12px;
      border-radius: var(--radius-btn);
    }
    .btn-cta-red:hover {
      background: #cc2f2e;
    }

    footer {
      background: #0A0E27;
      color: #999;
    }

    @media (max-width: 992px) {
      .nav-menu {
        display: none;
      }
      .mobile-menu.active {
        display: flex;
      }
      .hero-title {
        font-size: 2.4rem;
      }
    }
    @media (max-width: 768px) {
      .hero-title { font-size: 2rem; }
    }