/* ============================================
   海洋与生态观测子页面样式表
   迪卓依思 · 地理志 (djoyce.com)
   对应文件: meteorology/marine-eco-observation.html
   ============================================ */

/* --------------------------------------------
   1. Hero 首屏区域覆盖
   -------------------------------------------- */
.marine-hero {
    background: linear-gradient(160deg, #0a1a2e 0%, #0d2f4f 40%, #0a2342 100%);
}

.marine-hero .column-hero-content h1 .highlight {
    background: linear-gradient(135deg, #4FC3F7, #29B6F6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --------------------------------------------
   2. 观测子系统卡片增强
   -------------------------------------------- */
.marine-systems .subcategory-card.marine-card {
    border-top: 3px solid transparent;
    transition: var(--transition-base);
}

.marine-systems .subcategory-card.marine-card:hover {
    border-top-color: var(--color-secondary);
}

.marine-systems .subcategory-icon {
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    box-shadow: 0 4px 12px rgba(2, 119, 189, 0.15);
}

/* --------------------------------------------
   3. 数据亮点区域增强
   -------------------------------------------- */
.marine-data .data-spotlight-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.marine-data .data-card {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.marine-data .data-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.marine-data .data-card h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.marine-data .data-card .data-source {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    line-height: 1.6;
}

/* Argo浮标分布地图 */
.marine-map-container {
    width: 100%;
    aspect-ratio: 16 / 8.4;
    background: linear-gradient(180deg, #E8F5E9 0%, #E3F2FD 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

/* SST海表温度容器 */
.sst-container {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #0a1628;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.sst-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 通量观测原理容器 */
.flux-container {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(180deg, #E8F5E9 0%, #C8E6C9 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.flux-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 碳-水循环容器 */
.cycle-container {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(180deg, #0a1628 0%, #0d2f4f 60%, #0a2342 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.cycle-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* --------------------------------------------
   4. 时间轴区域微调
   -------------------------------------------- */
.timeline-section .timeline-content p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

/* --------------------------------------------
   5. 响应式适配
   -------------------------------------------- */
@media (max-width: 1023px) {
    .marine-data .data-spotlight-grid {
        grid-template-columns: 1fr;
    }

    .marine-map-container,
    .sst-container,
    .flux-container,
    .cycle-container {
        aspect-ratio: 16 / 10;
    }
}

@media (max-width: 767px) {
    .marine-data .data-card {
        padding: var(--space-lg);
    }

    .marine-data .data-card h3 {
        font-size: 1rem;
    }

    .marine-map-container,
    .sst-container,
    .flux-container,
    .cycle-container {
        aspect-ratio: 4 / 3;
    }
}