/* ── Hero ── */
    .hero {
    margin-top: var(--nav-height);
    height: 560px;
    min-height: 360px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 24px;
    overflow: hidden;
    background: #0c0c28;
    }

    /* Canvas background */
    #hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    }

    /* Gradient overlay */
    .hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 100%, rgba(233,69,96,0.18) 0%, transparent 70%),
        linear-gradient(to bottom, rgba(6,6,20,0.1) 0%, rgba(6,6,20,0.35) 60%, rgba(6,6,20,0.65) 100%);
    z-index: 1;
    pointer-events: none;
    }

    .hero-content {
    position: relative;
    z-index: 2;
    animation: fadeUp 0.9s ease both;
    }
    .hero-tag {
    display: inline-block;
    background: rgba(233,69,96,0.2);
    border: 1px solid rgba(233,69,96,0.4);
    color: #ff8fa3;
    font-size: 12px;
    letter-spacing: 2px;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 24px;
    text-transform: uppercase;
    }
    .hero h1 {
    color: white;
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 20px;
    }
    .hero p {
    color: rgba(255,255,255,0.65);
    font-size: clamp(15px, 2vw, 18px);
    font-weight: 300;
    margin-bottom: 40px;
    max-width: 560px;
    }
    .btn {
    background-color: var(--accent);
    color: white;
    padding: 14px 36px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-family: 'Noto Sans SC', sans-serif;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    font-weight: 700;
    }
    .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(233,69,96,0.4);
    background: #d63350;
    }

    /* ── 服务区域 ── */
    .services {
    padding: 100px 48px;
    max-width: 1100px;
    margin: 0 auto;
    }
    .section-header {
    text-align: center;
    margin-bottom: 64px;
    }
    .section-tag {
    display: inline-block;
    color: var(--accent);
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 12px;
    }
    .section-header h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    color: var(--text);
    letter-spacing: -0.5px;
    }
    .section-header p {
    color: var(--muted);
    margin-top: 12px;
    font-size: 15px;
    font-weight: 300;
    }
    .cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    }
    .card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 32px;
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 2px 16px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    animation: fadeUp 0.6s ease both;
    }
    .card:nth-child(1) { animation-delay: 0.1s; }
    .card:nth-child(2) { animation-delay: 0.2s; }
    .card:nth-child(3) { animation-delay: 0.3s; }
    .card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
    }
    .card .icon {
    font-size: 36px;
    margin-bottom: 20px;
    display: block;
    }
    .card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
    }
    .card p {
    color: var(--muted);
    line-height: 1.8;
    font-size: 14px;
    font-weight: 300;
    }