/* ============================================================
 * page‑home.css 首页私有样式
 * 仅用于 index.html
 ============================================================ */

/* --------------------------
 Hero首页大横幅
---------------------------*/
.hero-section {
    position: relative;
    padding: 50px 30px 42px;
    margin-bottom: 32px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-base)) saturate(130%);
    -webkit-backdrop-filter: blur(var(--blur-base));
    box-shadow: var(--shadow-card);
    text-align: center;
    overflow: hidden;
    transition: box-shadow var(--transition-normal), background var(--transition-normal);
}
.hero-section:hover {
    background: var(--glass-bg-heavy);
    box-shadow: var(--shadow-flyout);
}
.hero-section .hero-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(0, 120, 212, 0.10);
    color: var(--fluent-primary-pressed);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.hero-section h1 {
    font-size: 2.6rem;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.hero-section h1 .highlight {
    color: var(--fluent-primary);
}
.hero-section .subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 6px 0 16px;
    font-weight: 400;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}
.hero-section .hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 10px;
}
.hero-btn {
    padding: 10px 28px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.92rem;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.hero-btn:hover {
    background: var(--neutral-10);
    border-color: var(--neutral-30);
}
.hero-btn.primary {
    background: var(--fluent-primary);
    border-color: var(--fluent-primary);
    color: #fff;
}
.hero-btn.primary:hover {
    background: var(--fluent-primary-hover);
    border-color: var(--fluent-primary-hover);
}

/* --------------------------
 区块标题
---------------------------*/
.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 0 6px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin: 0 0 18px;
}

/* --------------------------
 服务入口卡片网格 service‑grid
---------------------------*/
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}
.service-card {
    position: relative;
    padding: 22px 18px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-base)) saturate(130%);
    -webkit-backdrop-filter: blur(var(--blur-base));
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}
.service-card:hover {
    background: var(--glass-bg-heavy);
    box-shadow: var(--shadow-flyout);
    transform: translateY(-2px);
}
.service-card:active {
    transform: scale(0.98);
}
.service-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(0, 120, 212, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: var(--fluent-primary-pressed);
    font-size: 1.6rem;
    flex-shrink: 0;
}
.service-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 4px;
    color: var(--text-primary);
}
.service-card p {
    font-size: 0.84rem;
    color: var(--text-secondary);
    margin: 0 0 12px;
    line-height: 1.5;
    flex: 1;
}
.service-card .card-tag {
    font-size: 0.7rem;
    color: var(--fluent-primary-pressed);
    background: rgba(0, 120, 212, 0.06);
    padding: 2px 12px;
    border-radius: 999px;
    border: 1px solid rgba(0, 120, 212, 0.10);
    margin-top: auto;
}

/* --------------------------
 学校概况统计 info‑grid
---------------------------*/
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin: 18px 0 10px;
}
.info-stat {
    text-align: center;
    padding: 16px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-base));
    -webkit-backdrop-filter: blur(var(--blur-base));
    transition: background var(--transition-normal);
}
.info-stat:hover {
    background: var(--glass-bg-heavy);
}
.info-stat .number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--fluent-primary);
    display: block;
    line-height: 1.2;
}
.info-stat .label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* --------------------------
 公告动态 news‑list
---------------------------*/
.news-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 6px 0 10px;
}
.news-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-base));
    -webkit-backdrop-filter: blur(var(--blur-base));
    transition: all var(--transition-fast);
    cursor: pointer;
}
.news-item:hover {
    background: var(--glass-bg-heavy);
    border-color: var(--neutral-30);
}
.news-item .badge {
    flex-shrink: 0;
    padding: 2px 10px;
    border-radius: 999px;
    background: rgba(0, 120, 212, 0.10);
    color: var(--fluent-primary-pressed);
    font-size: 0.65rem;
    font-weight: 600;
}
.news-item .content {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
}
.news-item .time {
    font-size: 0.72rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

/* --------------------------
 页脚 site‑footer
---------------------------*/
.site-footer {
    margin-top: 24px;
    padding: 28px 20px 22px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-base)) saturate(130%);
    -webkit-backdrop-filter: blur(var(--blur-base));
    box-shadow: var(--shadow-card);
    text-align: center;
}
.site-footer .footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 14px;
}
.site-footer .footer-links a {
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}
.site-footer .footer-links a:hover {
    color: var(--fluent-primary);
}
.site-footer .copyright {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.6;
    line-height: 1.6;
}

/* --------------------------
 首页主容器 main‑wrapper
---------------------------*/
.main-wrapper {
    flex: 1;
    max-width: 1180px;
    margin: 0 auto;
    padding: 20px 18px 40px;
    width: 100%;
}

/* --------------------------
 首页响应式
---------------------------*/
@media (max-width: 640px) {
    .main-wrapper {
        padding: 12px 11px 30px;
    }
    .hero-section {
        padding: 32px 18px 28px;
    }
    .hero-section h1 {
        font-size: 1.8rem;
    }
    .hero-section .subtitle {
        font-size: 0.95rem;
    }
    .service-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .service-card {
        padding: 16px 14px;
    }
    .service-card .card-icon {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }
    .service-card h3 {
        font-size: 0.88rem;
    }
    .service-card p {
        font-size: 0.78rem;
    }
    .info-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .info-stat .number {
        font-size: 1.3rem;
    }
    .news-item {
        flex-wrap: wrap;
        gap: 6px;
    }
    .news-item .time {
        width: 100%;
        text-align: left;
        font-size: 0.68rem;
    }
}
@media (max-width: 420px) {
    .service-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .hero-section h1 {
        font-size: 1.5rem;
    }
    .hero-btn {
        padding: 8px 18px;
        font-size: 0.82rem;
    }
}
@media (min-width: 1024px) {
    .main-wrapper {
        padding: 28px 24px 40px;
    }
    .hero-section {
        padding: 64px 40px 52px;
    }
    .hero-section h1 {
        font-size: 3.2rem;
    }
    .service-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 无障碍减少透明度 */
@media (prefers-reduced-transparency: reduce) {
    .hero-section,
    .service-card,
    .info-stat,
    .news-item,
    .site-footer {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: var(--neutral-0) !important;
    }
}