:root {
      --navy: #0C1F36;
      --navy-dark: #060F1C;
      --gold: #C9971A;
      --gold-light: #DDB84A;
      --white: #FFFFFF;
      --snow: #F5F6F8;
      --smoke: #E8EAED;
      --ink: #1A1D22;
      --stone: #5F6670;
      --silver: #959CA6;
      --primary: var(--navy);
      --primary-dark: var(--navy-dark);
      --accent: var(--gold);
      --accent-light: var(--gold-light);
      --bg: var(--white);
      --bg-light: var(--snow);
      --text: var(--ink);
      --text-secondary: var(--stone);
      --text-muted: var(--silver);
      --border: var(--smoke);
      --max-width: 1200px;
    }

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

    html {
      font-size: 16px;
      -webkit-font-smoothing: antialiased
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      color: var(--text);
      background: var(--bg);
      line-height: 1.6
    }

    a {
      text-decoration: none;
      color: inherit
    }

    ul {
      list-style: none
    }

    h2 {
      font-size: clamp(1.6rem, 3.5vw, 2.4rem);
      font-weight: 700;
      line-height: 1.18;
      letter-spacing: -0.015em
    }

    .sec-tight {
      padding: 64px 0
    }

    .wrap {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 40px
    }

    .label {
      display: inline-block;
      font-size: 0.68rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: var(--accent);
      margin-bottom: 14px
    }

    .video-section {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      background: #000;
      margin-top: 40px;
      aspect-ratio: 16/9
    }

    .video-section video {
      width: 100%;
      height: 100%;
      object-fit: cover
    }

    @media(max-width:768px) {
      .sec-tight {
        padding: 16px 0
      }

      .video-section {
        margin-top: 20px
      }

      .wrap {
        padding: 0 14px
      }

      h2 {
        font-size: 1.2rem
      }
    }

    @media(max-width:400px) {
      .wrap {
        padding: 0 10px
      }

      h2 {
        font-size: 1.1rem
      }
    }