/**
 * Mass Consulting 主题 — 响应式适配
 *
 * 如需调整特定断点的样式，在此文件中添加即可。
 */

/* ===== 大屏幕 / 笔记本 (1025px - 1200px) ===== */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-layout {
        gap: 40px;
    }

    .about-image {
        flex: 0 0 40%;
    }
}

/* ===== 平板 (769px - 1024px) ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 34px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .services-grid {
        gap: 20px;
    }

    .about-layout {
        flex-direction: column;
    }

    .about-image {
        flex: none;
        width: 100%;
        min-height: 280px;
    }

    .about-stats {
        justify-content: center;
    }

    .contact-wrapper {
        flex-direction: column;
        gap: 40px;
    }

    .contact-info {
        flex: none;
    }

    .footer-widgets-inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .sidebar {
        flex: 0 0 250px;
    }
}

/* ===== 移动端 (≤768px) ===== */
@media (max-width: 768px) {
    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 24px;
    }

    .content-row {
        flex-direction: column;
        gap: 30px;
    }

    /* 导航 */
    .menu-toggle {
        display: block;
    }

    .main-navigation ul {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-primary);
        flex-direction: column;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .main-navigation ul.toggled-on {
        display: flex;
    }

    .main-navigation a {
        padding: 0 20px;
        line-height: 48px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .main-navigation .sub-menu {
        position: static;
        box-shadow: none;
        background-color: rgba(0, 0, 0, 0.15);
        border-radius: 0;
    }

    .main-navigation .sub-menu a {
        padding-left: 40px;
        color: rgba(255, 255, 255, 0.8);
    }

    /* Hero */
    .hero-section {
        height: 70vh;
        min-height: 400px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 13px;
    }

    .hero-desc {
        font-size: 15px;
    }

    .btn-hero {
        padding: 12px 30px;
        font-size: 15px;
    }

    /* 服务卡片 */
    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 30px 20px;
    }

    /* 时间线 */
    .timeline-line {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding: 15px 0 15px 50px;
        text-align: left;
    }

    .timeline-left,
    .timeline-right {
        left: 0;
    }

    .timeline-left .timeline-dot,
    .timeline-right .timeline-dot {
        left: 12px;
        right: auto;
    }

    /* 关于 */
    .about-stats {
        gap: 20px;
        flex-wrap: wrap;
    }

    .stat-number {
        font-size: 24px;
    }

    /* 归档文章 */
    .post-grid {
        grid-template-columns: 1fr;
    }

    /* 页脚 */
    .footer-widgets-inner {
        grid-template-columns: 1fr;
    }

    .footer-bottom-inner {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .sidebar {
        flex: none;
        width: 100%;
    }

    .error-404-title {
        font-size: 80px;
    }

    /* 隐藏登录/注册链接在小屏 */
    .header-action-link.login-link,
    .header-action-link.register-link,
    .header-action-sep {
        display: none;
    }
}

/* ===== 小屏手机 (≤480px) ===== */
@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }

    .hero-desc {
        font-size: 14px;
    }

    .hero-section {
        height: 60vh;
        min-height: 350px;
    }

    .site-title {
        font-size: 18px;
    }

    .section-title {
        font-size: 22px;
    }

    .timeline-year {
        font-size: 20px;
    }
}