/* ============ Page Hero（共享大图横幅） ============ */
.page-hero {
    position: relative;
    margin-top: var(--nav-h);
    height: calc(100vh - var(--nav-h) - 120px);
    min-height: 460px;
    overflow: hidden;
}

.page-hero .hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: pageHeroZoom 8s ease-out forwards;
}

@keyframes pageHeroZoom {
    from {
        transform: scale(1);
    }

    to {
        transform: scale(1.08);
    }
}

.page-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(6, 18, 40, 0.74) 0%, rgba(6, 18, 40, 0.46) 45%, rgba(6, 18, 40, 0.12) 100%);
}

.page-hero .hero-inner {
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    max-width: 620px;
    color: #fff;
}

.page-hero .hero-label {
    font-size: 14px;
    letter-spacing: 6px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 18px;
    opacity: 0;
    transform: translateY(24px);
    animation: pageFadeUp 0.8s 0.2s forwards;
}

.page-hero .hero-title {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: 8px;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(24px);
    animation: pageFadeUp 0.8s 0.35s forwards;
}

.page-hero .hero-divider {
    width: 60px;
    height: 3px;
    background: var(--color1);
    margin-bottom: 22px;
    opacity: 0;
    animation: pageFadeUp 0.8s 0.5s forwards;
}

.page-hero .hero-desc {
    font-size: 15px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.85);
    max-width: 500px;
    opacity: 0;
    transform: translateY(24px);
    animation: pageFadeUp 0.8s 0.65s forwards;
}

@keyframes pageFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-hero .hero-fade {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 170px;
    background: linear-gradient(180deg, transparent 0%, #eef3fc 100%);
    z-index: 1;
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
    .page-hero {
        height: 460px;
        min-height: 0;
    }

    .page-hero .hero-inner {
        left: 6%;
        max-width: 88%;
    }

    .page-hero .hero-label {
        font-size: 12px;
        letter-spacing: 4px;
    }

    .page-hero .hero-title {
        font-size: 32px;
        letter-spacing: 4px;
    }

    .page-hero .hero-desc {
        font-size: 13px;
    }

    .page-hero .hero-fade {
        height: 110px;
    }
}