/* roulang page: index */
:root {
      --deep-green: #0A2E1B;
      --neon-green: #00FF85;
      --electric-violet: #6B00FF;
      --track-gray: #F4F5F0;
      --dark-carbon: #1A1A1A;
      --white-soft: #FAFAFA;
      --border-sport: rgba(0, 255, 133, 0.25);
      --shadow-sport: 4px 4px 0px rgba(0,0,0,0.18);
      --font-heading: 'Montserrat', 'Noto Sans SC', sans-serif;
      --font-body: 'Inter', 'PingFang SC', system-ui, -apple-system, 'Microsoft YaHei', sans-serif;
      --font-mono: 'JetBrains Mono', 'Courier New', monospace;
      --radius-cutting: 4px;
      --radius-card: 4px;
      --section-padding: 5rem 2rem;
    }

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

    body {
      font-family: var(--font-body);
      background-color: var(--track-gray);
      color: var(--dark-carbon);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
      display: flex;
      flex-direction: column;
      align-items: center;
      width: 100%;
      overflow-x: hidden;
    }

    .container {
      width: 100%;
      max-width: 1300px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    h1, h2, h3, .stat-number {
      font-family: var(--font-heading);
      font-weight: 700;
      letter-spacing: -0.5px;
      line-height: 1.2;
    }

    a, button, .btn {
      transition: all 0.25s ease;
    }

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

    /* 导航 */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background: rgba(10, 46, 27, 0.82);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      z-index: 100;
      border-bottom: 1px solid rgba(0, 255, 133, 0.3);
      transition: background 0.3s ease, box-shadow 0.3s;
      padding: 0.8rem 0;
    }

    .navbar.scrolled {
      background: #0A2E1B;
      box-shadow: 0 4px 0 rgba(0,255,133,0.15);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: 1300px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    .logo {
      display: flex;
      align-items: baseline;
      gap: 0.3rem;
      text-decoration: none;
      font-family: var(--font-heading);
    }

    .logo-text {
      font-size: 1.8rem;
      font-weight: 800;
      color: white;
      letter-spacing: -1px;
      background: linear-gradient(135deg, #FFFFFF, #00FF85);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .logo-domain {
      font-size: 0.7rem;
      color: rgba(255,255,255,0.65);
      margin-left: 2px;
      font-weight: 400;
      letter-spacing: 0.2px;
      align-self: flex-end;
      padding-bottom: 5px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 2.2rem;
      list-style: none;
    }

    .nav-link {
      color: white;
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      position: relative;
      padding: 0.3rem 0;
    }

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

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

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: white;
      font-size: 1.8rem;
      cursor: pointer;
    }

    /* 英雄区 */
    .hero {
      padding: 9rem 2rem 5rem;
      background: url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
      position: relative;
      background-color: #0A2E1B;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(10,46,27,0.92) 0%, rgba(10,46,27,0.8) 55%, rgba(26,26,26,0.4) 100%);
    }

    .hero .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2em;
      position: relative;
      z-index: 10;
      flex-wrap: wrap;
    }

    .hero-left {
      flex: 1 1 45%;
      color: white;
    }

    .hero-badge {
      background: rgba(0,255,133,0.15);
      border-left: 4px solid var(--neon-green);
      padding: 0.3rem 1.2rem;
      font-size: 0.9rem;
      font-weight: 600;
      letter-spacing: 1.5px;
      color: var(--neon-green);
      display: inline-block;
      margin-bottom: 1.5rem;
    }

    .hero h1 {
      font-size: 4rem;
      font-weight: 800;
      line-height: 1.1;
      text-transform: uppercase;
    }

    .highlight {
      background: linear-gradient(135deg, #00FF85, #9fff8a);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-desc {
      font-size: 1.25rem;
      margin: 1.8rem 0 2.2rem;
      color: rgba(255,255,255,0.85);
      max-width: 85%;
    }

    .btn-group {
      display: flex;
      gap: 1.2rem;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-block;
      font-weight: 700;
      padding: 0.9rem 2.3rem;
      border-radius: var(--radius-cutting);
      text-decoration: none;
      font-size: 1rem;
      letter-spacing: 0.8px;
      border: 2px solid transparent;
      cursor: pointer;
    }

    .btn-primary {
      background: var(--neon-green);
      color: var(--deep-green);
      box-shadow: var(--shadow-sport);
    }

    .btn-primary:hover {
      background: var(--electric-violet);
      color: white;
      border-color: var(--electric-violet);
      box-shadow: 8px 8px 0 rgba(107,0,255,0.2);
    }

    .btn-ghost {
      border: 2px solid var(--neon-green);
      color: var(--neon-green);
      background: transparent;
    }

    .btn-ghost:hover {
      background: var(--neon-green);
      color: var(--deep-green);
    }

    .hero-right {
      flex: 1 1 40%;
      background: rgba(10,46,27,0.6);
      backdrop-filter: blur(8px);
      padding: 1.5rem;
      border: 2px solid var(--electric-violet);
      border-radius: 8px 2px 8px 2px;
    }

    .live-widget {
      font-family: var(--font-mono);
      color: white;
    }

    /* 非对称网格 */
    .section-title {
      font-size: 2.7rem;
      margin-bottom: 1.2rem;
      color: var(--deep-green);
    }

    .highlights-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 1.8rem;
    }

    .card-magazine {
      background: white;
      box-shadow: 6px 6px 0 rgba(0,0,0,0.08);
      border-radius: 2px 8px 2px 8px;
      overflow: hidden;
      transition: all 0.3s;
    }

    .solutions-flow {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 2rem;
    }

    .footer-form input {
      background: transparent;
      border: none;
      border-bottom: 2px solid rgba(255,255,255,0.5);
      color: white;
      padding: 0.8rem 0;
      width: 100%;
    }

    .footer-form input:focus {
      outline: none;
      border-bottom-color: var(--neon-green);
    }

    @media (max-width: 1024px) {
      .highlights-grid { grid-template-columns: 1fr 1fr; }
      .hero h1 { font-size: 2.8rem; }
    }

    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .mobile-toggle { display: block; }
      .hero .container { flex-direction: column; }
      .highlights-grid { grid-template-columns: 1fr; }
    }