/* ===================================
   组件样式 - 贵州山海同创数字文化传媒有限公司
   =================================== */

@import url('variables.css');

/* ========== 卡片组件 ========== */
.card {
    position: relative;
    background: var(--gradient-surface);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 22px 45px rgba(0, 0, 0, 0.45);
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(255, 110, 199, 0.22), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.55);
}

.card:hover::before {
    opacity: 1;
}

.card-image {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    filter: saturate(1.2);
}

.card-body {
    padding: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
}

.card-text {
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-relaxed);
}

.card-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(6px);
}

.card-link {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.card-link::after {
    content: '→';
    font-size: var(--font-size-base);
    transition: transform var(--transition-fast);
}

.card-link:hover {
    color: var(--color-accent);
    transform: translateX(3px);
}

.card-link:hover::after {
    transform: translateX(4px);
}

/* ========== 横幅组件 ========== */
.banner {
    position: relative;
    width: 100%;
    height: 420px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8, 8, 23, 0.25), rgba(8, 8, 23, 0.85));
    z-index: 1;
}

.banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255, 110, 199, 0.18), transparent 60%), radial-gradient(circle at 80% 30%, rgba(8, 247, 254, 0.16), transparent 60%);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-text-white);
    max-width: 680px;
    padding: 0 var(--spacing-md);
}

.banner-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 12px 45px rgba(0, 0, 0, 0.5);
}

.banner-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.82);
    line-height: var(--line-height-relaxed);
}

.banner-cta {
    display: inline-block;
}

/* ========== 特色卡片 ========== */
.feature-card {
    position: relative;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gradient-surface);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle, rgba(255, 110, 199, 0.15), transparent 55%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover {
    border-color: rgba(255, 110, 199, 0.65);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.55);
    transform: translateY(-8px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    box-shadow: 0 18px 35px rgba(255, 110, 199, 0.4);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: var(--color-text-white);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
}

.feature-text {
    color: var(--color-text-medium);
    line-height: var(--line-height-relaxed);
}

/* ========== 标签组件 ========== */
.tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-dark);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    color: var(--color-text-white);
    transform: translateY(-1px);
}

.tag-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-text-white);
}

.tag-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    color: var(--color-text-white);
}

/* ========== 分页组件 ========== */
.pagination {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.pagination-item {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-sm);
    background-color: rgba(20, 20, 43, 0.85);
    color: var(--color-text-dark);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.pagination-item:hover,
.pagination-item.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-text-white);
    box-shadow: 0 18px 35px rgba(255, 110, 199, 0.35);
    transform: translateY(-2px);
}

.pagination-item.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}

/* ========== 面包屑导航 ========== */
.breadcrumb {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: var(--color-text-medium);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.breadcrumb-item a {
    color: var(--color-secondary);
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--color-primary);
}

.breadcrumb-item.active {
    color: var(--color-text-dark);
    font-weight: var(--font-weight-medium);
}

.breadcrumb-separator {
    color: var(--color-text-light);
}

/* ========== 提示框 ========== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    background: rgba(20, 20, 43, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.alert-icon {
    flex-shrink: 0;
    font-size: var(--font-size-lg);
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-dark);
}

.alert-success {
    border-left-color: var(--color-success);
    color: rgba(22, 219, 101, 0.85);
}

.alert-warning {
    border-left-color: var(--color-warning);
    color: rgba(245, 166, 35, 0.85);
}

.alert-error {
    border-left-color: var(--color-error);
    color: rgba(255, 94, 94, 0.85);
}

.alert-info {
    border-left-color: var(--color-primary);
    color: rgba(255, 110, 199, 0.85);
}

/* ========== 分隔线 ========== */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    margin: var(--spacing-lg) 0;
}

.divider-text {
    text-align: center;
    margin: var(--spacing-lg) 0;
    position: relative;
    color: var(--color-text-light);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.divider-text::before,
.divider-text::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.divider-text::before {
    left: 0;
}

.divider-text::after {
    right: 0;
}

/* ========== 加载动画 ========== */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========== 模态框 ========== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(4, 4, 12, 0.65);
    backdrop-filter: blur(12px);
    z-index: var(--z-index-modal-backdrop);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--gradient-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.65);
    max-width: 520px;
    width: 92%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: var(--z-index-modal);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-dark);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-xl);
    color: var(--color-text-light);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-md);
}

.modal-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
    .banner {
        height: 360px;
    }
}

@media (max-width: 768px) {
    .banner {
        height: 280px;
    }

    .banner-title {
        font-size: var(--font-size-3xl);
    }

    .banner-subtitle {
        font-size: var(--font-size-base);
    }

    .feature-icon {
        width: 70px;
        height: 70px;
        font-size: var(--font-size-2xl);
    }

    .modal-content {
        width: 95%;
    }
}

@media (max-width: 480px) {
    .card-image {
        height: 190px;
    }

    .banner {
        height: 220px;
    }

    .banner-title {
        font-size: var(--font-size-2xl);
    }

    .banner-subtitle {
        font-size: var(--font-size-sm);
    }

    .feature-card {
        padding: var(--spacing-md);
    }

    .feature-icon {
        width: 56px;
        height: 56px;
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-sm);
    }
}