/* ============================================
   贵州思南兴黔船业 - 子页面样式（江河远航主题）
   ============================================ */

@import url('variables.css');

/* ========== 页面头部 ========== */
.page-hero {
    padding: calc(var(--spacing-3xl) + var(--navbar-height)) 0 var(--spacing-xxl);
    background: radial-gradient(circle at 10% 30%, rgba(30, 61, 143, 0.45), rgba(0, 8, 64, 0.9));
    color: var(--color-text-on-primary);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/img_18.jpeg') center/cover no-repeat;
    opacity: 0.18;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(220, 20, 60, 0.2), rgba(0, 0, 0, 0));
}

.page-hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    gap: var(--spacing-xl);
}

.page-hero h1 {
    color: var(--color-text-on-primary);
}

.page-hero p {
    color: rgba(240, 248, 255, 0.85);
    max-width: 720px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: rgba(240, 248, 255, 0.7);
}

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

.breadcrumb span {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumb span::after {
    content: '/';
    opacity: 0.4;
}

.breadcrumb span:last-child::after {
    content: '';
}

/* ========== 页面主体内容 ========== */
.page-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-4xl);
}

.page-content {
    display: grid;
    gap: var(--spacing-xxl);
}

.page-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.page-section-title::before {
    content: '';
    width: 36px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), rgba(220, 20, 60, 0));
    border-radius: var(--border-radius-full);
}

.rich-text p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.rich-text ul,
.rich-text ol {
    padding-left: var(--spacing-xl);
    display: grid;
    gap: var(--spacing-sm);
}

.highlight-block {
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(240, 248, 255, 0.96), rgba(194, 208, 236, 0.85));
    box-shadow: var(--shadow-md);
}

.highlight-block.dark {
    background: linear-gradient(135deg, rgba(0, 8, 64, 0.88), rgba(30, 61, 143, 0.75));
    color: var(--color-text-on-primary);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-item {
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.stat-item strong {
    display: block;
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-item span {
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
}

/* ========== 侧栏 ========== */
.page-sidebar {
    position: sticky;
    top: calc(var(--navbar-height) + var(--spacing-xl));
    display: grid;
    gap: var(--spacing-xl);
    height: fit-content;
}

.sidebar-card {
    border-radius: var(--border-radius-lg);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    display: grid;
    gap: var(--spacing-md);
}

.sidebar-nav {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    background: rgba(0, 8, 64, 0.04);
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: linear-gradient(135deg, rgba(0, 8, 64, 0.85), rgba(30, 61, 143, 0.7));
    color: var(--color-text-on-primary);
}

.contact-card {
    background: linear-gradient(160deg, rgba(0, 8, 64, 0.88), rgba(30, 61, 143, 0.75));
    color: var(--color-text-on-primary);
}

.contact-card a {
    color: inherit;
}

.contact-card a:hover {
    color: var(--color-accent);
}

/* ========== 信息列表 ========== */
.info-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.info-item {
    display: grid;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(0, 8, 64, 0.08);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-item h3 {
    margin-bottom: var(--spacing-xs);
}

.info-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

/* ========== 时间线 ========== */
.timeline {
    position: relative;
    padding: var(--spacing-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(0, 8, 64, 0.18), rgba(0, 8, 64, 0));
}

.timeline-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.timeline-marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary-light));
    color: var(--color-text-on-primary);
    display: grid;
    place-items: center;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
}

.timeline-content {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.timeline-content h4 {
    margin-bottom: var(--spacing-xs);
}

.timeline-content span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ========== 数据表格 ========== */
table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

thead {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-text-on-primary);
}

th,
td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(0, 8, 64, 0.08);
}

tbody tr:hover {
    background: rgba(0, 8, 64, 0.04);
}

/* ========== 联系方式 ========== */
.contact-info {
    display: grid;
    gap: var(--spacing-lg);
}

.contact-info span {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    letter-spacing: 0.05em;
}

.contact-info strong {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

.map-frame {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 8, 64, 0.1);
}

/* ========== 响应式调整 ========== */
@media (max-width: 1024px) {
    .page-wrapper {
        grid-template-columns: minmax(0, 1fr);
    }

    .page-sidebar {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding-top: calc(var(--spacing-xxl) + var(--navbar-height));
    }

    .stat-item {
        padding: var(--spacing-lg);
    }
}