/* ==================== 
   宜荣智联物流 - 响应式样式
   电脑版 | 平板版 | 手机版
   ==================== */

/* ---- 大屏幕 (1200px+) ---- */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}

/* ---- 平板横屏 (992px - 1199px) ---- */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }

    .banner-title {
        font-size: 44px;
    }

    .line-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .about-wrapper {
        gap: 45px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }
}

/* ---- 平板竖屏 (768px - 991px) ---- */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
        padding: 0 15px;
    }

    /* 头部 */
    .header-top {
        padding: 16px 0;
    }

    .logo img {
        height: 50px;
    }

    .logo-text h1 {
        font-size: 21px;
    }

    .logo-text p {
        display: none;
    }

    .main-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* 轮播图 */
    .banner-section {
        height: 520px;
    }

    .banner-title {
        font-size: 38px;
    }

    .banner-desc {
        font-size: 17px;
    }

    .banner-btn {
        padding: 14px 32px;
        font-size: 15px;
    }

    .banner-arrows {
        display: none;
    }

    /* 统计 */
    .stats-section {
        padding: 50px 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .stats-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }

    .stats-number {
        font-size: 40px;
    }

    /* 区块标题 */
    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    /* 线路 */
    .line-section {
        padding: 60px 0;
    }

    .line-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }

    /* 关于我们 */
    .about-section {
        padding: 60px 0;
    }

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }

    .about-img-main img {
        height: 320px;
    }

    .about-img-sub {
        width: 220px;
        height: 160px;
        right: -10px;
    }

    .about-content {
        padding-left: 0;
        text-align: center;
    }

    .section-header.left-align {
        text-align: center;
    }

    .section-header.left-align .section-line {
        margin: 20px auto 0;
    }

    .about-features {
        text-align: left;
        max-width: 500px;
        margin: 30px auto;
    }

    /* 车辆 */
    .vehicle-section {
        padding: 60px 0;
    }

    .vehicle-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }

    /* 新闻 */
    .news-section {
        padding: 60px 0;
    }

    .news-wrapper {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .news-featured-img {
        height: 260px;
    }

    /* CTA */
    .cta-bg {
        padding: 80px 0;
    }

    .cta-content h2 {
        font-size: 36px;
    }

    .cta-btn {
        padding: 16px 35px;
    }

    /* 服务 */
    .service-section {
        padding: 60px 0;
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }

    .service-card {
        padding: 35px 25px;
    }

    .service-icon {
        width: 75px;
        height: 75px;
        font-size: 30px;
    }

    /* 联系 */
    .contact-section {
        padding: 60px 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .contact-info-box {
        padding-right: 0;
        text-align: center;
    }

    .contact-details {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        max-width: 600px;
        margin: 30px auto 0;
    }

    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-bottom: 0;
    }

    /* 底部 */
    .footer-top {
        padding: 50px 0 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .footer-about {
        grid-column: 1 / -1;
        text-align: center;
    }

    .footer-about .footer-logo {
        justify-content: center;
    }

    .footer-contact-info p {
        display: inline-block;
        margin: 0 15px 10px;
    }

    .friend-links {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ---- 手机版 (576px - 767px) ---- */
@media (max-width: 767px) {
    .container {
        padding: 0 12px;
    }

    /* 顶部栏 */
    .top-bar {
        padding: 8px 0;
    }

    .top-bar .container {
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }

    .top-bar-left span {
        margin-right: 10px;
        font-size: 12px;
    }

    .top-divider {
        display: none;
    }

    /* 头部 */
    .header-top {
        padding: 12px 0;
    }

    .logo img {
        height: 42px;
    }

    .logo-text h1 {
        font-size: 18px;
    }

    /* 轮播图 */
    .banner-section {
        height: 400px;
    }

    .banner-title {
        font-size: 28px;
        margin-bottom: 14px;
    }

    .banner-desc {
        font-size: 15px;
        margin-bottom: 24px;
    }

    .banner-btn {
        padding: 12px 28px;
        font-size: 14px;
    }

    .banner-dots {
        bottom: 18px;
    }

    .banner-dot {
        width: 12px;
        height: 12px;
    }

    .banner-dot.active {
        width: 30px;
    }

    /* 统计 */
    .stats-section {
        padding: 45px 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stats-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .stats-number {
        font-size: 32px;
    }

    .stats-label {
        font-size: 14px;
    }

    /* 区块标题 */
    .section-header {
        margin-bottom: 35px;
    }

    .section-tag {
        font-size: 12px;
    }

    .section-tag::before,
    .section-tag::after {
        width: 20px;
    }

    .section-title {
        font-size: 26px;
    }

    .section-subtitle {
        font-size: 15px;
    }

    /* 线路 */
    .line-section {
        padding: 55px 0;
    }

    .line-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .line-card-header {
        padding: 18px;
    }

    .line-card-body {
        padding: 18px;
    }

    .line-name {
        font-size: 17px;
    }

    /* 关于我们 */
    .about-section {
        padding: 55px 0;
    }

    .about-wrapper {
        gap: 35px;
    }

    .about-img-main img {
        height: 240px;
    }

    .about-img-sub {
        display: none;
    }

    .about-experience {
        top: 18px;
        left: 18px;
        padding: 14px 20px;
    }

    .exp-number {
        font-size: 30px;
    }

    .about-text {
        font-size: 15px;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .about-btn {
        padding: 14px 32px;
        font-size: 15px;
    }

    /* 车辆 */
    .vehicle-section {
        padding: 55px 0;
    }

    .vehicle-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .vehicle-img {
        height: 200px;
    }

    .vehicle-info {
        padding: 18px;
    }

    .vehicle-info h3 {
        font-size: 17px;
    }

    /* 新闻 */
    .news-section {
        padding: 55px 0;
    }

    .news-featured-img {
        height: 220px;
    }

    .news-featured-content {
        padding: 20px;
    }

    .news-featured-content h3 {
        font-size: 18px;
    }

    .news-item {
        padding: 18px;
        gap: 14px;
    }

    .news-date {
        min-width: 55px;
        padding: 10px;
    }

    .news-day {
        font-size: 22px;
    }

    .news-item-content h4 {
        font-size: 16px;
    }

    /* CTA */
    .cta-bg {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 26px;
    }

    .cta-content p {
        font-size: 15px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 14px;
    }

    .cta-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 16px 32px;
    }

    /* 服务 */
    .service-section {
        padding: 55px 0;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .service-card {
        padding: 30px 22px;
    }

    .service-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }

    .service-card h3 {
        font-size: 19px;
    }

    /* 联系 */
    .contact-section {
        padding: 55px 0;
    }

    .contact-details {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .contact-form-box {
        padding: 28px 22px;
    }

    .contact-form .form-row {
        grid-template-columns: 1fr;
    }

    .form-group input,
    .form-group textarea {
        padding: 14px 16px;
    }

    /* 底部 */
    .footer-top {
        padding: 45px 0 35px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-about .footer-logo {
        justify-content: center;
    }

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

    .footer-contact-info p {
        display: block;
        margin: 0 0 10px;
        justify-content: center;
    }

    .footer-title {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .footer-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links li {
        margin-bottom: 10px;
    }

    .footer-links li a {
        justify-content: center;
        font-size: 14px;
    }

    .friend-links {
        align-items: center;
    }

    .friend-links-list {
        justify-content: center;
    }

    .footer-bottom-content {
        font-size: 13px;
    }

    /* 更多按钮 */
    .more-btn {
        padding: 12px 28px;
        font-size: 15px;
    }

    /* 返回顶部 */
    .back-to-top {
        width: 42px;
        height: 42px;
        font-size: 17px;
        bottom: 75px;
        right: 15px;
    }

    /* 移动端底部导航 */
    .mobile-bottom-nav {
        display: flex;
    }

    body {
        padding-bottom: 65px;
    }
}

/* ---- 小手机版 (575px以下) ---- */
@media (max-width: 575px) {
    .banner-section {
        height: 340px;
    }

    .banner-title {
        font-size: 26px;
    }

    .banner-desc {
        font-size: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .stats-grid {
        gap: 12px;
    }

    .stats-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .stats-number {
        font-size: 26px;
    }

    .stats-label {
        font-size: 13px;
    }

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

    .about-img-main img {
        height: 200px;
    }

    .about-experience {
        padding: 10px 14px;
    }

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

    .exp-text {
        font-size: 12px;
    }

    .news-featured-img {
        height: 180px;
    }

    .news-featured-content h3 {
        font-size: 16px;
    }

    .news-featured-content p {
        display: none;
    }

    .news-item {
        padding: 14px;
    }

    .news-item-content h4 {
        font-size: 15px;
    }

    .cta-content h2 {
        font-size: 22px;
    }

    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .contact-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }

    .contact-text h4 {
        font-size: 16px;
    }

    .contact-text p {
        font-size: 14px;
    }
}

/* ---- 横屏手机 ---- */
@media (max-height: 500px) and (orientation: landscape) {
    .banner-section {
        height: 320px;
    }

    .banner-title {
        font-size: 26px;
    }

    .mobile-bottom-nav {
        display: none;
    }

    body {
        padding-bottom: 0;
    }
}

/* ---- 打印样式 ---- */
@media print {
    .top-bar,
    .main-header,
    .banner-arrows,
    .banner-dots,
    .back-to-top,
    .mobile-bottom-nav,
    .mobile-menu-btn,
    .main-footer {
        display: none !important;
    }

    .banner-section {
        height: auto;
        padding: 40px 0;
    }

    .banner-slide {
        position: relative;
        opacity: 1;
    }

    .banner-overlay {
        background: none;
    }

    .banner-text {
        color: var(--dark);
    }
}