/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --white: #ffffff;
    --light-gray: #f3f4f6;
    --dark-gray: #1f2937;
    --text-gray: #6b7280;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 30px 0;
    position: relative;
    margin-top: 2vh;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-top: 5vh;
    padding: 5vh;
    margin-bottom: 60px;
    color: var(--primary-blue);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--light-blue));
    border-radius: 2px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #ffffff;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

/* 二级导航栏 */
.secondary-navbar {
    position: fixed;
    top: 70px;
    width: 100%;
    background: rgba(30, 58, 138, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
    transition: var(--transition);
}

.secondary-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.secondary-nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
    height: 50px;
}

.secondary-nav-menu li {
    position: relative;
}

.secondary-nav-menu a {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    position: relative;
}

.secondary-nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--light-blue);
    transition: var(--transition);
}

.secondary-nav-menu a:hover,
.secondary-nav-menu a.active {
    background: rgba(255, 255, 255, 0.1);
}

.secondary-nav-menu a:hover::after,
.secondary-nav-menu a.active::after {
    width: 100%;
}

.secondary-nav-menu .dropdown-menu {
    top: 100%;
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.secondary-nav-menu .dropdown-menu a {
    color: var(--dark-gray);
    padding: 12px 20px;
    border-bottom: none;
}

.secondary-nav-menu .dropdown-menu a:hover {
    background: var(--light-gray);
    color: var(--secondary-blue);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo-image {
    height: 8vh;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo:hover .logo-image {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-menu a:hover {
    color: var(--secondary-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-blue);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    list-style: none;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    padding: 10px 0;
    margin-top: 10px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--dark-gray);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--light-gray);
    color: var(--secondary-blue);
}

.dropdown .arrow {
    font-size: 0.7rem;
    transition: var(--transition);
}

.dropdown:hover .arrow {
    transform: rotate(180deg);
}

/* 语言选择器 */
.language-selector {
    position: relative;
}

.lang-btn {
    background: var(--secondary-blue);
    color: var(--white);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
}

.lang-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    list-style: none;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    padding: 10px 0;
    margin-top: 10px;
    z-index: 1001;
}

.language-selector:hover .lang-dropdown,
.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li {
    padding: 0;
}

.lang-dropdown a {
    display: block;
    padding: 10px 20px;
    color: var(--dark-gray);
    text-decoration: none;
    transition: var(--transition);
}

.lang-dropdown a:hover {
    background: var(--light-gray);
    color: var(--secondary-blue);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: var(--transition);
    border-radius: 3px;
}

/* 英雄区 */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%),
                url('img/main.jpg') center/cover;
    background-blend-mode: overlay;
    z-index: -1;
    animation: backgroundMove 20s ease-in-out infinite;
}

@keyframes backgroundMove {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero-content {
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-blue);
}

.btn-primary:hover {
    background: transparent;
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: transparent;
    border-color: var(--white);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    font-size: 0.9rem;
    opacity: 0.8;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* 关于我们 */
.about-section {
    background: var(--white);
    padding-bottom: 5vh;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
    text-align: center;
}

.stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 50px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 12px;
    min-width: 150px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 500;
}

/* 服务内容 */
.services-section {
    background: var(--light-gray);
    margin-top: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.service-card {
    height: 300px;
    perspective: 1000px;
    cursor: pointer;
}

.service-card .card-front,
.service-card .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    transition: transform 0.6s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.service-card .card-front {
    background: var(--white);
    transform: rotateY(0deg);
}

.service-card .card-back {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    transform: rotateY(180deg);
    text-align: center;
}

.service-card:hover .card-front {
    transform: rotateY(-180deg);
}

.service-card:hover .card-back {
    transform: rotateY(0deg);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.service-card .card-back p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--white);
}

/* 解决方案 */
.solutions-section {
    background: var(--white);
}

.solutions-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    background: var(--light-gray);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--dark-gray);
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
}

.tab-btn:hover {
    background: var(--secondary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--primary-blue);
    color: var(--white);
}

.solutions-content {
    position: relative;
    min-height: 400px;
}

.solution-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    animation: fadeIn 0.5s ease-in;
}

.solution-panel.active {
    display: grid;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.solution-chart {
    background: var(--light-gray);
    border-radius: 12px;
    padding: 20px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-info h3 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.solution-info ul {
    list-style: none;
}

.solution-info li {
    padding: 15px 0;
    font-size: 1.1rem;
    color: var(--text-gray);
    border-bottom: 1px solid var(--light-gray);
    position: relative;
    padding-left: 30px;
}

.solution-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 新闻与动态 */
.news-section {
    background: var(--light-gray);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.news-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.news-card.visible {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--light-blue));
    position: relative;
    overflow: hidden;
}

.news-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.news-card:hover .news-image::before {
    left: 100%;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: var(--secondary-blue);
    font-size: 0.9rem;
    font-weight: 500;
}

.news-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin: 15px 0;
}

.news-content p {
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.news-link {
    color: var(--secondary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.news-link:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

/* 联系我们 */
.contact-section {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.contact-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

.contact-form {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 12px;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Roboto', Arial, sans-serif;
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--text-gray);
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.85rem;
    color: var(--secondary-blue);
    background: var(--light-gray);
    padding: 0 5px;
}

/* 页脚 */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    padding-left: 5px;
}

.social-links {
    width: 100vh;
}

.social-links a {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    transition: var(--transition);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* 语言切换 */
[data-lang] {
    display: none;
}

[data-lang].active {
    display: inline;
}

/* 语言下拉菜单始终可见 */
.language-selector .lang-dropdown {
    display: block !important;
}

.language-selector .lang-dropdown li {
    display: block !important;
}

.language-selector .lang-dropdown a {
    display: block !important;
    color: var(--dark-gray) !important;
}

/* 语言下拉菜单内的文本始终显示，不受语言切换影响 */
.language-selector .lang-dropdown [data-lang] {
    display: inline !important;
}

/* 块级元素的语言切换 */
div[data-lang].active,
p[data-lang].active,
h1[data-lang].active,
h2[data-lang].active,
h3[data-lang].active,
h4[data-lang].active,
h5[data-lang].active,
h6[data-lang].active,
li[data-lang].active,
ul[data-lang].active,
section[data-lang].active,
article[data-lang].active {
    display: block;
}

html[lang="zh-CN"] [data-lang="zh"],
html[lang="zh-CN"] [data-lang="zh-CN"] {
    display: inline;
}

html[lang="zh-CN"] div[data-lang="zh"],
html[lang="zh-CN"] div[data-lang="zh-CN"],
html[lang="zh-CN"] p[data-lang="zh"],
html[lang="zh-CN"] p[data-lang="zh-CN"],
html[lang="zh-CN"] h1[data-lang="zh"],
html[lang="zh-CN"] h1[data-lang="zh-CN"],
html[lang="zh-CN"] h2[data-lang="zh"],
html[lang="zh-CN"] h2[data-lang="zh-CN"],
html[lang="zh-CN"] h3[data-lang="zh"],
html[lang="zh-CN"] h3[data-lang="zh-CN"],
html[lang="zh-CN"] li[data-lang="zh"],
html[lang="zh-CN"] li[data-lang="zh-CN"] {
    display: block;
}

html[lang="zh-CN"] [data-lang="ru"]:not(.language-selector [data-lang]),
html[lang="zh-CN"] [data-lang="ru-RU"]:not(.language-selector [data-lang]) {
    display: none;
}

html[lang="ru-RU"] [data-lang="ru"]:not(.language-selector [data-lang]),
html[lang="ru-RU"] [data-lang="ru-RU"]:not(.language-selector [data-lang]) {
    display: inline;
}

html[lang="ru-RU"] div[data-lang="ru"],
html[lang="ru-RU"] div[data-lang="ru-RU"],
html[lang="ru-RU"] p[data-lang="ru"],
html[lang="ru-RU"] p[data-lang="ru-RU"],
html[lang="ru-RU"] h1[data-lang="ru"],
html[lang="ru-RU"] h1[data-lang="ru-RU"],
html[lang="ru-RU"] h2[data-lang="ru"],
html[lang="ru-RU"] h2[data-lang="ru-RU"],
html[lang="ru-RU"] h3[data-lang="ru"],
html[lang="ru-RU"] h3[data-lang="ru-RU"],
html[lang="ru-RU"] li[data-lang="ru"],
html[lang="ru-RU"] li[data-lang="ru-RU"] {
    display: block;
}

html[lang="ru-RU"] [data-lang="zh"],
html[lang="ru-RU"] [data-lang="zh-CN"] {
    display: none;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        padding: 15px 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--light-gray);
        margin-top: 10px;
        border-radius: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .solution-panel {
        grid-template-columns: 1fr;
    }

    .solution-chart {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .stats {
        flex-direction: column;
        align-items: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .solutions-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .tab-btn {
        width: 100%;
    }
}

/* 独立页面样式 */
.page-hero {
    height: 75vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
    margin-top: 20px;
}

.page-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    animation: backgroundMove 20s ease-in-out infinite;
}

.page-hero-content {
    z-index: 1;
    margin-top: 10vh;
    max-width: 800px;
    padding: 40px 50px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.page-hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
}

.page-hero-content p {
    font-size: 1.3rem;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    font-weight: 400;
    line-height: 1.6;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.about-intro-content h2 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.about-intro-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.advantage-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.team-member {
    text-align: center;
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.team-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 20px;
    border: 4px solid var(--light-blue);
}

.team-member h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.team-role {
    color: var(--secondary-blue);
    font-weight: 500;
    margin-bottom: 15px;
}

.team-desc {
    color: var(--text-gray);
    line-height: 1.6;
}

.timeline {
    max-width: 800px;
    margin: 50px auto 0;
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--secondary-blue);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 50px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-blue);
    border: 4px solid var(--white);
    box-shadow: 0 0 0 4px var(--secondary-blue);
}

.timeline-year {
    position: absolute;
    left: -100px;
    top: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    width: 80px;
    text-align: right;
}

.timeline-content {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-gray);
    line-height: 1.6;
}

.nav-menu a.active {
    color: var(--secondary-blue);
}

.nav-menu a.active::after {
    width: 100%;
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.service-detail.reverse {
    direction: rtl;
}

.service-detail.reverse > * {
    direction: ltr;
}

.service-detail-content h2 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.service-detail-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 25px;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-gray);
    font-size: 1rem;
    line-height: 1.6;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
    font-size: 1.2rem;
}

.service-detail-image {
    position: relative;
}

@media (max-width: 968px) {
    .about-intro {
        grid-template-columns: 1fr;
    }
    
    .service-detail,
    .service-detail.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline-year {
        position: static;
        width: auto;
        text-align: left;
        margin-bottom: 10px;
    }
    
    .timeline-item {
        padding-left: 0;
    }
    
    .timeline-item::before {
        left: -10px;
    }
}

.news-list {
    max-width: 1000px;
    margin: 0 auto;
}

.news-article {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    margin-bottom: 50px;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.news-article:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.news-article-image {
    height: 100%;
    min-height: 250px;
    background-size: cover;
    background-position: center;
}

.news-article-content {
    padding: 30px;
}

.news-article-content .news-date {
    color: var(--secondary-blue);
    font-size: 0.9rem;
    font-weight: 500;
    display: block;
    margin-bottom: 15px;
}

.news-article-content h2 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    line-height: 1.3;
}

.news-article-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.news-read-more {
    color: var(--secondary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
}

.news-read-more:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

.map-container {
    width: 100%;
}

/* 地图标记样式 */
.custom-marker {
    background: transparent;
    border: none;
}

.marker-pin {
    position: relative;
    width: 30px;
    height: 30px;
}

.marker-dot {
    width: 20px;
    height: 20px;
    background: var(--secondary-blue);
    border: 3px solid var(--white);
    border-radius: 50%;
    position: absolute;
    top: 5px;
    left: 5px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.marker-pulse {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--secondary-blue);
    border-radius: 50%;
    opacity: 0.6;
    animation: pulse 2s infinite;
    top: 0;
    left: 0;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.3;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.location-label {
    background: transparent;
    border: none;
}

.label-text {
    background: rgba(30, 58, 138, 0.9);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 地图容器样式 */
#animatedMap {
    border-radius: 0;
}

@media (max-width: 768px) {
    #animatedMap {
        height: 400px !important;
    }
    
    .label-text {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
}

@media (max-width: 968px) {
    .news-article {
        grid-template-columns: 1fr;
    }
    
    .news-article-image {
        height: 250px;
    }
}

/* 动图区域样式 */
.animated-hero {
    height: 75vh;
    position: relative;
    overflow: hidden;
    margin-top: 8vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.logistics-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.moving-box {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    animation: moveBox 15s infinite linear;
}

.moving-box:nth-child(1) {
    top: 20%;
    left: -100px;
    animation-delay: 0s;
}

.moving-box:nth-child(2) {
    top: 50%;
    left: -100px;
    animation-delay: 3s;
}

.moving-box:nth-child(3) {
    top: 80%;
    left: -100px;
    animation-delay: 6s;
}

.moving-truck {
    position: absolute;
    width: 120px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    bottom: 10%;
    left: -150px;
    animation: moveTruck 20s infinite linear;
}

.moving-truck::before {
    content: '🚚';
    position: absolute;
    font-size: 2rem;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes moveBox {
    0% {
        left: -100px;
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        left: 100%;
        transform: translateY(0);
    }
}

@keyframes moveTruck {
    0% {
        left: -150px;
    }
    100% {
        left: 100%;
    }
}

.animated-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 0 20px;
}

.animated-hero-text {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 40px 50px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.animated-hero-text h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
    font-weight: 700;
    letter-spacing: 1px;
}

.animated-hero-text p {
    font-size: 1.3rem;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    font-weight: 400;
    line-height: 1.6;
}

/* 现代化服务卡片 */
.service-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}
@media (max-width: 1200px) {
    .service-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .service-cards-grid {
        grid-template-columns: 1fr;
    }
}

.service-card-modern {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--light-blue));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card-modern:hover::before {
    transform: scaleX(1);
}

.service-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-card-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    display: block;
}

.service-card-modern h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.service-card-modern p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 附加服务网格 */
.additional-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.additional-service-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.additional-service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.additional-service-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.additional-service-item h4 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.additional-service-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* 为什么选择我们 */
.why-choose-us {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.why-choose-item {
    text-align: center;
    position: relative;
    padding: 30px 20px;
}

.why-choose-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--secondary-blue);
    opacity: 0.3;
    margin-bottom: 20px;
    line-height: 1;
}

.why-choose-item h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.why-choose-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 运输页面样式 */
.transport-section {
    margin-top: 120px;
}

.transport-animation-container {
    height: 65vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.transport-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 40px 50px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.transport-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
    font-weight: 700;
    letter-spacing: 1px;
}

.transport-subtitle {
    font-size: 1.3rem;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    font-weight: 400;
    line-height: 1.6;
}

/* 飞机动画 */
.airplane-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.airplane {
    position: absolute;
    font-size: 5rem;
    top: 30%;
    left: -100px;
    animation: flyPlane 20s infinite linear;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
}

@keyframes flyPlane {
    0% {
        left: -100px;
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-30px) rotate(5deg);
    }
    50% {
        transform: translateY(0) rotate(0deg);
    }
    75% {
        transform: translateY(30px) rotate(-5deg);
    }
    100% {
        left: 100%;
        transform: translateY(0) rotate(0deg);
    }
}

.cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    opacity: 0.6;
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50px;
}

.cloud1 {
    width: 100px;
    height: 40px;
    top: 20%;
    left: 10%;
    animation: floatCloud 15s infinite ease-in-out;
}

.cloud1::before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.cloud1::after {
    width: 60px;
    height: 60px;
    top: -30px;
    right: 10px;
}

.cloud2 {
    width: 120px;
    height: 50px;
    top: 60%;
    left: 30%;
    animation: floatCloud 18s infinite ease-in-out;
    animation-delay: 2s;
}

.cloud2::before {
    width: 60px;
    height: 60px;
    top: -30px;
    left: 15px;
}

.cloud2::after {
    width: 70px;
    height: 70px;
    top: -35px;
    right: 15px;
}

.cloud3 {
    width: 90px;
    height: 35px;
    top: 80%;
    left: 60%;
    animation: floatCloud 12s infinite ease-in-out;
    animation-delay: 4s;
}

.cloud3::before {
    width: 45px;
    height: 45px;
    top: -22px;
    left: 8px;
}

.cloud3::after {
    width: 55px;
    height: 55px;
    top: -27px;
    right: 8px;
}

@keyframes floatCloud {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(50px) translateY(-20px);
    }
}

/* 卡车动画 */
.truck-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.truck {
    position: absolute;
    font-size: 6rem;
    bottom: 25%;
    left: -150px;
    animation: driveTruck 25s infinite linear;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
}

@keyframes driveTruck {
    0% {
        left: -150px;
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
    100% {
        left: 100%;
        transform: translateY(0);
    }
}

.road-line {
    position: absolute;
    bottom: 20%;
    left: 0;
    width: 100%;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.5) 0px,
        rgba(255, 255, 255, 0.5) 40px,
        transparent 40px,
        transparent 80px
    );
    animation: moveRoad 2s linear infinite;
}

@keyframes moveRoad {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 80px 0;
    }
}

/* 运输优势卡片 */
.transport-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.benefit-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--light-blue));
    transform: scaleX(0);
    transition: var(--transition);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    display: block;
}

.benefit-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.benefit-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

@media (max-width: 968px) {
    .animated-hero {
        height: 400px;
    }
    
    .animated-hero-text {
        padding: 30px 30px;
    }
    
    .animated-hero-text h1 {
        font-size: 2rem;
    }
    
    .animated-hero-text p {
        font-size: 1rem;
    }
    
    .transport-animation-container {
        height: 400px;
    }
    
    .transport-content {
        padding: 30px 30px;
    }
    
    .transport-content h1 {
        font-size: 2.5rem;
    }
    
    .transport-subtitle {
        font-size: 1rem;
    }
    
    .page-hero-content {
        padding: 30px 30px;
    }
    
    .page-hero-content h1 {
        font-size: 2rem;
    }
    
    .page-hero-content p {
        font-size: 1rem;
    }
}

/* 仓储页面样式 */
.warehouse-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.warehouse-box {
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    animation: warehouseMove 20s infinite linear;
}

.warehouse-box:nth-child(1) {
    bottom: 20%;
    left: -100px;
    animation-delay: 0s;
}

.warehouse-box:nth-child(2) {
    bottom: 20%;
    left: -100px;
    animation-delay: 5s;
}

.warehouse-box:nth-child(3) {
    bottom: 20%;
    left: -100px;
    animation-delay: 10s;
}

.forklift {
    position: absolute;
    font-size: 4rem;
    bottom: 15%;
    left: -150px;
    animation: moveForklift 25s infinite linear;
}

@keyframes warehouseMove {
    0% {
        left: -100px;
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        left: 100%;
        transform: translateY(0);
    }
}

@keyframes moveForklift {
    0% {
        left: -150px;
    }
    100% {
        left: 100%;
    }
}

.warehouse-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.warehouse-feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
}

.warehouse-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.warehouse-feature-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.warehouse-feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.logistics-support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.support-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.support-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.support-item h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.support-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

.routes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.route-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.route-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--light-blue));
    transform: scaleX(0);
    transition: var(--transition);
}

.route-card:hover::before {
    transform: scaleX(1);
}

.route-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.route-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.route-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.route-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.warehouse-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.warehouse-benefit-item {
    text-align: center;
    position: relative;
    padding: 30px 20px;
}

.benefit-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--secondary-blue);
    opacity: 0.3;
    margin-bottom: 20px;
    line-height: 1;
}

.warehouse-benefit-item h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.warehouse-benefit-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 运踪查询页面样式 */
.procurement-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shopping-cart {
    position: absolute;
    font-size: 5rem;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
    animation: bounceCart 3s infinite ease-in-out;
}

.product-box {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    animation: floatProduct 4s infinite ease-in-out;
}

.product-box:nth-child(2) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.product-box:nth-child(3) {
    top: 60%;
    left: 70%;
    animation-delay: 1s;
}

.product-box:nth-child(4) {
    top: 40%;
    left: 80%;
    animation-delay: 2s;
}

@keyframes bounceCart {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-20px);
    }
}

@keyframes floatProduct {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

.procurement-advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}
@media (max-width: 1200px) {
    .procurement-advantages {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .procurement-advantages {
        grid-template-columns: 1fr;
    }
}

.advantage-modern-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
}

.advantage-modern-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon-large {
    font-size: 4rem;
    margin-bottom: 20px;
}

.advantage-modern-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.advantage-modern-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.info-requirements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.info-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.info-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-blue);
    min-width: 60px;
    line-height: 1;
}

.info-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.info-content p {
    color: var(--text-gray);
    line-height: 1.8;
}

.procurement-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.process-step {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition);
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--secondary-blue), var(--light-blue));
    border-radius: 2px 0 0 2px;
}

.process-step:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-blue);
    min-width: 60px;
    line-height: 1;
}

.step-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.step-content p {
    color: var(--text-gray);
    line-height: 1.8;
}

.one-stop-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.benefit-modern {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.benefit-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.benefit-modern h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.benefit-modern p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 博客页面样式 */
.breadcrumb-section {
    background: var(--light-gray);
    padding: 20px 0;
    margin-top: 120px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
}

.breadcrumb a {
    color: var(--secondary-blue);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.blog-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.blog-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.blog-card-image {
    height: 250px;
    position: relative;
    background-size: cover;
    background-position: center;
}

.blog-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary-blue);
}

.blog-card-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-date {
    color: var(--secondary-blue);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.blog-card-content h2 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
    line-height: 1.4;
    flex: 1;
}

.blog-advantages {
    background: #fee2e2;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.blog-advantage-item {
    color: #991b1b;
    font-size: 0.9rem;
    margin-bottom: 8px;
    line-height: 1.5;
}

.blog-advantage-item:last-child {
    margin-bottom: 0;
}

.blog-read-more {
    color: var(--secondary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    align-self: flex-start;
}

.blog-read-more:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

@media (max-width: 968px) {
    .secondary-navbar {
        top: 70px;
    }
    
    .hero,
    .page-hero,
    .animated-hero,
    .transport-animation-container {
        margin-top: 120px;
    }
    
    .breadcrumb-section {
        margin-top: 120px;
    }
}

// ... existing code ...

/* 分页控件样式 */
.pagination-container {
    margin-top: 50px;
    text-align: center;
}

.pagination {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.pagination-btn {
    background: var(--secondary-blue);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
    min-width: 100px;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.pagination-btn:disabled {
    background: var(--light-gray);
    color: var(--text-gray);
    cursor: not-allowed;
    opacity: 0.5;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 5px;
}

.page-number {
    background: transparent;
    border: 2px solid var(--light-gray);
    color: var(--dark-gray);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
}

.page-number:hover {
    border-color: var(--secondary-blue);
    color: var(--secondary-blue);
    transform: translateY(-2px);
}

.page-number.active {
    background: var(--secondary-blue);
    border-color: var(--secondary-blue);
    color: var(--white);
}

.page-info {
    margin-left: 15px;
    color: var(--text-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

/* 加载动画 */
.loading-spinner {
    text-align: center;
    padding: 60px 0;
    color: var(--secondary-blue);
    font-size: 1.1rem;
    font-weight: 500;
}

.loading-spinner::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--secondary-blue);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 博客列表筛选区域 */
.blog-filter-section {
    background: var(--light-gray);
    padding: 30px 0;
    margin-bottom: 40px;
}

.filter-container {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 300px;
}

.search-input {
    width: 100%;
    padding: 12px 50px 12px 20px;
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
}

.search-input:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--secondary-blue);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-50%) scale(1.1);
}

.filter-select {
    padding: 12px 20px;
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    font-size: 1rem;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
    min-width: 200px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .pagination {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
        border-radius: 12px;
    }

    .page-numbers {
        order: -1;
    }

    .pagination-btn {
        min-width: auto;
        width: 100%;
    }

    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        min-width: auto;
    }

    .filter-select {
        min-width: auto;
        width: 100%;
    }
}


/* ICP备案信息样式 */
.icp-info {
    text-align: center;
    margin-top: 10px;
    opacity: 0.8;
    font-size: 0.9rem;
}

.icp-info a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.icp-info a:hover {
    opacity: 1;
    text-decoration: underline;
}


/* 加载动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

/* 竖排关注我们布局 */
.social-links-vertical {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.social-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-item-more {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.4);
}


.social-text {
    color: var(--white);
    font-weight: 500;
}

/* 图片弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    width: 90%;
    max-width: 500px;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: var(--white);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    transition: var(--transition);
}

.close:hover {
    color: var(--secondary-blue);
    transform: scale(1.2);
}

#modalImage {
    width: 100%;
    height: auto;
    display: block;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }

    .social-item {
        padding: 10px 15px;
    }

    .social-links-vertical {
        grid-template-columns: 1fr;
    }
}

.social-logo {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    flex-shrink: 0;
    overflow: hidden;
}

.social-logo img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

// ... existing code ...

@media (max-width: 768px) {
    .social-logo {
        width: 35px;
        height: 35px;
    }

    .social-logo img {
        width: 20px;
        height: 20px;
    }
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --white: #ffffff;
    --light-gray: #f3f4f6;
    --dark-gray: #1f2937;
    --text-gray: #6b7280;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 30px 0;
    position: relative;
    margin-top: 2vh;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-top: 5vh;
    padding: 5vh;
    margin-bottom: 60px;
    color: var(--primary-blue);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--light-blue));
    border-radius: 2px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #ffffff;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

/* 二级导航栏 */
.secondary-navbar {
    position: fixed;
    top: 70px;
    width: 100%;
    background: rgba(30, 58, 138, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
    transition: var(--transition);
}

.secondary-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.secondary-nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
    height: 50px;
}

.secondary-nav-menu li {
    position: relative;
}

.secondary-nav-menu a {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    position: relative;
}

.secondary-nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--light-blue);
    transition: var(--transition);
}

.secondary-nav-menu a:hover,
.secondary-nav-menu a.active {
    background: rgba(255, 255, 255, 0.1);
}

.secondary-nav-menu a:hover::after,
.secondary-nav-menu a.active::after {
    width: 100%;
}

.secondary-nav-menu .dropdown-menu {
    top: 100%;
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.secondary-nav-menu .dropdown-menu a {
    color: var(--dark-gray);
    padding: 12px 20px;
    border-bottom: none;
}

.secondary-nav-menu .dropdown-menu a:hover {
    background: var(--light-gray);
    color: var(--secondary-blue);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo-image {
    height: 8vh;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo:hover .logo-image {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-menu a:hover {
    color: var(--secondary-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-blue);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    list-style: none;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    padding: 10px 0;
    margin-top: 10px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--dark-gray);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--light-gray);
    color: var(--secondary-blue);
}

.dropdown .arrow {
    font-size: 0.7rem;
    transition: var(--transition);
}

.dropdown:hover .arrow {
    transform: rotate(180deg);
}

/* 语言选择器 */
.language-selector {
    position: relative;
}

.lang-btn {
    background: var(--secondary-blue);
    color: var(--white);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
}

.lang-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    list-style: none;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    padding: 10px 0;
    margin-top: 10px;
    z-index: 1001;
}

.language-selector:hover .lang-dropdown,
.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li {
    padding: 0;
}

.lang-dropdown a {
    display: block;
    padding: 10px 20px;
    color: var(--dark-gray);
    text-decoration: none;
    transition: var(--transition);
}

.lang-dropdown a:hover {
    background: var(--light-gray);
    color: var(--secondary-blue);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: var(--transition);
    border-radius: 3px;
}

/* 英雄区 */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%),
                url('img/main.jpg') center/cover;
    background-blend-mode: overlay;
    z-index: -1;
    animation: backgroundMove 20s ease-in-out infinite;
}

@keyframes backgroundMove {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero-content {
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-blue);
}

.btn-primary:hover {
    background: transparent;
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: transparent;
    border-color: var(--white);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    font-size: 0.9rem;
    opacity: 0.8;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* 关于我们 */
.about-section {
    background: var(--white);
    padding-bottom: 5vh;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
    text-align: center;
}

.stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 50px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 12px;
    min-width: 150px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 500;
}

/* 服务内容 */
.services-section {
    background: var(--light-gray);
    margin-top: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.service-card {
    height: 300px;
    perspective: 1000px;
    cursor: pointer;
}

.service-card .card-front,
.service-card .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    transition: transform 0.6s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.service-card .card-front {
    background: var(--white);
    transform: rotateY(0deg);
}

.service-card .card-back {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    transform: rotateY(180deg);
    text-align: center;
}

.service-card:hover .card-front {
    transform: rotateY(-180deg);
}

.service-card:hover .card-back {
    transform: rotateY(0deg);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.service-card .card-back p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--white);
}

/* 解决方案 */
.solutions-section {
    background: var(--white);
}

.solutions-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    background: var(--light-gray);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--dark-gray);
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
}

.tab-btn:hover {
    background: var(--secondary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--primary-blue);
    color: var(--white);
}

.solutions-content {
    position: relative;
    min-height: 400px;
}

.solution-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    animation: fadeIn 0.5s ease-in;
}

.solution-panel.active {
    display: grid;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.solution-chart {
    background: var(--light-gray);
    border-radius: 12px;
    padding: 20px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-info h3 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.solution-info ul {
    list-style: none;
}

.solution-info li {
    padding: 15px 0;
    font-size: 1.1rem;
    color: var(--text-gray);
    border-bottom: 1px solid var(--light-gray);
    position: relative;
    padding-left: 30px;
}

.solution-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 新闻与动态 */
.news-section {
    background: var(--light-gray);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.news-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.news-card.visible {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--light-blue));
    position: relative;
    overflow: hidden;
}

.news-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.news-card:hover .news-image::before {
    left: 100%;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: var(--secondary-blue);
    font-size: 0.9rem;
    font-weight: 500;
}

.news-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin: 15px 0;
}

.news-content p {
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.news-link {
    color: var(--secondary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.news-link:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

/* 联系我们 */
.contact-section {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.contact-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

.contact-form {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 12px;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Roboto', Arial, sans-serif;
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--text-gray);
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.85rem;
    color: var(--secondary-blue);
    background: var(--light-gray);
    padding: 0 5px;
}

/* 页脚 */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    padding-left: 5px;
}

.social-links {
    width: 100vh;
}

.social-links a {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    transition: var(--transition);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* 语言切换 */
[data-lang] {
    display: none;
}

[data-lang].active {
    display: inline;
}

/* 语言下拉菜单始终可见 */
.language-selector .lang-dropdown {
    display: block !important;
}

.language-selector .lang-dropdown li {
    display: block !important;
}

.language-selector .lang-dropdown a {
    display: block !important;
    color: var(--dark-gray) !important;
}

/* 语言下拉菜单内的文本始终显示，不受语言切换影响 */
.language-selector .lang-dropdown [data-lang] {
    display: inline !important;
}

/* 块级元素的语言切换 */
div[data-lang].active,
p[data-lang].active,
h1[data-lang].active,
h2[data-lang].active,
h3[data-lang].active,
h4[data-lang].active,
h5[data-lang].active,
h6[data-lang].active,
li[data-lang].active,
ul[data-lang].active,
section[data-lang].active,
article[data-lang].active {
    display: block;
}

html[lang="zh-CN"] [data-lang="zh"],
html[lang="zh-CN"] [data-lang="zh-CN"] {
    display: inline;
}

html[lang="zh-CN"] div[data-lang="zh"],
html[lang="zh-CN"] div[data-lang="zh-CN"],
html[lang="zh-CN"] p[data-lang="zh"],
html[lang="zh-CN"] p[data-lang="zh-CN"],
html[lang="zh-CN"] h1[data-lang="zh"],
html[lang="zh-CN"] h1[data-lang="zh-CN"],
html[lang="zh-CN"] h2[data-lang="zh"],
html[lang="zh-CN"] h2[data-lang="zh-CN"],
html[lang="zh-CN"] h3[data-lang="zh"],
html[lang="zh-CN"] h3[data-lang="zh-CN"],
html[lang="zh-CN"] li[data-lang="zh"],
html[lang="zh-CN"] li[data-lang="zh-CN"] {
    display: block;
}

html[lang="zh-CN"] [data-lang="ru"]:not(.language-selector [data-lang]),
html[lang="zh-CN"] [data-lang="ru-RU"]:not(.language-selector [data-lang]) {
    display: none;
}

html[lang="ru-RU"] [data-lang="ru"]:not(.language-selector [data-lang]),
html[lang="ru-RU"] [data-lang="ru-RU"]:not(.language-selector [data-lang]) {
    display: inline;
}

html[lang="ru-RU"] div[data-lang="ru"],
html[lang="ru-RU"] div[data-lang="ru-RU"],
html[lang="ru-RU"] p[data-lang="ru"],
html[lang="ru-RU"] p[data-lang="ru-RU"],
html[lang="ru-RU"] h1[data-lang="ru"],
html[lang="ru-RU"] h1[data-lang="ru-RU"],
html[lang="ru-RU"] h2[data-lang="ru"],
html[lang="ru-RU"] h2[data-lang="ru-RU"],
html[lang="ru-RU"] h3[data-lang="ru"],
html[lang="ru-RU"] h3[data-lang="ru-RU"],
html[lang="ru-RU"] li[data-lang="ru"],
html[lang="ru-RU"] li[data-lang="ru-RU"] {
    display: block;
}

html[lang="ru-RU"] [data-lang="zh"],
html[lang="ru-RU"] [data-lang="zh-CN"] {
    display: none;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        padding: 15px 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--light-gray);
        margin-top: 10px;
        border-radius: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .solution-panel {
        grid-template-columns: 1fr;
    }

    .solution-chart {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .stats {
        flex-direction: column;
        align-items: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .solutions-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .tab-btn {
        width: 100%;
    }
}

/* 独立页面样式 */
.page-hero {
    height: 75vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
    margin-top: 20px;
}

.page-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    animation: backgroundMove 20s ease-in-out infinite;
}

.page-hero-content {
    z-index: 1;
    margin-top: 10vh;
    max-width: 800px;
    padding: 40px 50px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.page-hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
}

.page-hero-content p {
    font-size: 1.3rem;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    font-weight: 400;
    line-height: 1.6;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch; /* 修改为stretch让子元素撑满高度 */
    margin-top: 40px;
}

.about-intro-image {
    display: flex;
    align-items: stretch;
    height: 100%;
}

.about-intro-image .image-placeholder {
    flex: 1;
    width: 100%;
}

.about-intro-content h2 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.about-intro-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.advantage-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.team-member {
    text-align: center;
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.team-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 20px;
    border: 4px solid var(--light-blue);
}

.team-member h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.team-role {
    color: var(--secondary-blue);
    font-weight: 500;
    margin-bottom: 15px;
}

.team-desc {
    color: var(--text-gray);
    line-height: 1.6;
}

.timeline {
    max-width: 800px;
    margin: 50px auto 0;
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--secondary-blue);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 50px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-blue);
    border: 4px solid var(--white);
    box-shadow: 0 0 0 4px var(--secondary-blue);
}

.timeline-year {
    position: absolute;
    left: -100px;
    top: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    width: 80px;
    text-align: right;
}

.timeline-content {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-gray);
    line-height: 1.6;
}

.nav-menu a.active {
    color: var(--secondary-blue);
}

.nav-menu a.active::after {
    width: 100%;
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.service-detail.reverse {
    direction: rtl;
}

.service-detail.reverse > * {
    direction: ltr;
}

.service-detail-content h2 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.service-detail-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 25px;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-gray);
    font-size: 1rem;
    line-height: 1.6;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
    font-size: 1.2rem;
}

.service-detail-image {
    position: relative;
}

@media (max-width: 968px) {
    .about-intro {
        grid-template-columns: 1fr;
    }

    .service-detail,
    .service-detail.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline-year {
        position: static;
        width: auto;
        text-align: left;
        margin-bottom: 10px;
    }

    .timeline-item {
        padding-left: 0;
    }

    .timeline-item::before {
        left: -10px;
    }
}

.news-list {
    max-width: 1000px;
    margin: 0 auto;
}

.news-article {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    margin-bottom: 50px;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.news-article:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.news-article-image {
    height: 100%;
    min-height: 250px;
    background-size: cover;
    background-position: center;
}

.news-article-content {
    padding: 30px;
}

.news-article-content .news-date {
    color: var(--secondary-blue);
    font-size: 0.9rem;
    font-weight: 500;
    display: block;
    margin-bottom: 15px;
}

.news-article-content h2 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    line-height: 1.3;
}

.news-article-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.news-read-more {
    color: var(--secondary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
}

.news-read-more:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

.map-container {
    width: 100%;
}

/* 地图标记样式 */
.custom-marker {
    background: transparent;
    border: none;
}

.marker-pin {
    position: relative;
    width: 30px;
    height: 30px;
}

.marker-dot {
    width: 20px;
    height: 20px;
    background: var(--secondary-blue);
    border: 3px solid var(--white);
    border-radius: 50%;
    position: absolute;
    top: 5px;
    left: 5px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.marker-pulse {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--secondary-blue);
    border-radius: 50%;
    opacity: 0.6;
    animation: pulse 2s infinite;
    top: 0;
    left: 0;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.3;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.location-label {
    background: transparent;
    border: none;
}

.label-text {
    background: rgba(30, 58, 138, 0.9);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 地图容器样式 */
#animatedMap {
    border-radius: 0;
}

@media (max-width: 768px) {
    #animatedMap {
        height: 400px !important;
    }

    .label-text {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
}

@media (max-width: 968px) {
    .news-article {
        grid-template-columns: 1fr;
    }

    .news-article-image {
        height: 250px;
    }
}

/* 动图区域样式 */
.animated-hero {
    height: 75vh;
    position: relative;
    overflow: hidden;
    margin-top: 8vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.logistics-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.moving-box {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    animation: moveBox 15s infinite linear;
}

.moving-box:nth-child(1) {
    top: 20%;
    left: -100px;
    animation-delay: 0s;
}

.moving-box:nth-child(2) {
    top: 50%;
    left: -100px;
    animation-delay: 3s;
}

.moving-box:nth-child(3) {
    top: 80%;
    left: -100px;
    animation-delay: 6s;
}

.moving-truck {
    position: absolute;
    width: 120px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    bottom: 10%;
    left: -150px;
    animation: moveTruck 20s infinite linear;
}

.moving-truck::before {
    content: '🚚';
    position: absolute;
    font-size: 2rem;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes moveBox {
    0% {
        left: -100px;
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        left: 100%;
        transform: translateY(0);
    }
}

@keyframes moveTruck {
    0% {
        left: -150px;
    }
    100% {
        left: 100%;
    }
}

.animated-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 0 20px;
}

.animated-hero-text {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 40px 50px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.animated-hero-text h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
    font-weight: 700;
    letter-spacing: 1px;
}

.animated-hero-text p {
    font-size: 1.3rem;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    font-weight: 400;
    line-height: 1.6;
}

/* 现代化服务卡片 */
.service-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}
@media (max-width: 1200px) {
    .service-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .service-cards-grid {
        grid-template-columns: 1fr;
    }
}

.service-card-modern {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--light-blue));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card-modern:hover::before {
    transform: scaleX(1);
}

.service-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-card-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    display: block;
}

.service-card-modern h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.service-card-modern p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 附加服务网格 */
.additional-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.additional-service-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.additional-service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.additional-service-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.additional-service-item h4 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.additional-service-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* 为什么选择我们 */
.why-choose-us {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.why-choose-item {
    text-align: center;
    position: relative;
    padding: 30px 20px;
}

.why-choose-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--secondary-blue);
    opacity: 0.3;
    margin-bottom: 20px;
    line-height: 1;
}

.why-choose-item h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.why-choose-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 运输页面样式 */
.transport-section {
    margin-top: 120px;
}

.transport-animation-container {
    height: 65vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.transport-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 40px 50px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.transport-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
    font-weight: 700;
    letter-spacing: 1px;
}

.transport-subtitle {
    font-size: 1.3rem;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    font-weight: 400;
    line-height: 1.6;
}

/* 飞机动画 */
.airplane-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.airplane {
    position: absolute;
    font-size: 5rem;
    top: 30%;
    left: -100px;
    animation: flyPlane 20s infinite linear;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
}

@keyframes flyPlane {
    0% {
        left: -100px;
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-30px) rotate(5deg);
    }
    50% {
        transform: translateY(0) rotate(0deg);
    }
    75% {
        transform: translateY(30px) rotate(-5deg);
    }
    100% {
        left: 100%;
        transform: translateY(0) rotate(0deg);
    }
}

.cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    opacity: 0.6;
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50px;
}

.cloud1 {
    width: 100px;
    height: 40px;
    top: 20%;
    left: 10%;
    animation: floatCloud 15s infinite ease-in-out;
}

.cloud1::before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.cloud1::after {
    width: 60px;
    height: 60px;
    top: -30px;
    right: 10px;
}

.cloud2 {
    width: 120px;
    height: 50px;
    top: 60%;
    left: 30%;
    animation: floatCloud 18s infinite ease-in-out;
    animation-delay: 2s;
}

.cloud2::before {
    width: 60px;
    height: 60px;
    top: -30px;
    left: 15px;
}

.cloud2::after {
    width: 70px;
    height: 70px;
    top: -35px;
    right: 15px;
}

.cloud3 {
    width: 90px;
    height: 35px;
    top: 80%;
    left: 60%;
    animation: floatCloud 12s infinite ease-in-out;
    animation-delay: 4s;
}

.cloud3::before {
    width: 45px;
    height: 45px;
    top: -22px;
    left: 8px;
}

.cloud3::after {
    width: 55px;
    height: 55px;
    top: -27px;
    right: 8px;
}

@keyframes floatCloud {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(50px) translateY(-20px);
    }
}

/* 卡车动画 */
.truck-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.truck {
    position: absolute;
    font-size: 6rem;
    bottom: 25%;
    left: -150px;
    animation: driveTruck 25s infinite linear;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
}

@keyframes driveTruck {
    0% {
        left: -150px;
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
    100% {
        left: 100%;
        transform: translateY(0);
    }
}

.road-line {
    position: absolute;
    bottom: 20%;
    left: 0;
    width: 100%;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.5) 0px,
        rgba(255, 255, 255, 0.5) 40px,
        transparent 40px,
        transparent 80px
    );
    animation: moveRoad 2s linear infinite;
}

@keyframes moveRoad {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 80px 0;
    }
}

/* 运输优势卡片 */
.transport-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.benefit-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--light-blue));
    transform: scaleX(0);
    transition: var(--transition);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    display: block;
}

.benefit-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.benefit-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

@media (max-width: 968px) {
    .animated-hero {
        height: 400px;
    }

    .animated-hero-text {
        padding: 30px 30px;
    }

    .animated-hero-text h1 {
        font-size: 2rem;
    }

    .animated-hero-text p {
        font-size: 1rem;
    }

    .transport-animation-container {
        height: 400px;
    }

    .transport-content {
        padding: 30px 30px;
    }

    .transport-content h1 {
        font-size: 2.5rem;
    }

    .transport-subtitle {
        font-size: 1rem;
    }

    .page-hero-content {
        padding: 30px 30px;
    }

    .page-hero-content h1 {
        font-size: 2rem;
    }

    .page-hero-content p {
        font-size: 1rem;
    }
}

/* 仓储页面样式 */
.warehouse-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.warehouse-box {
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    animation: warehouseMove 20s infinite linear;
}

.warehouse-box:nth-child(1) {
    bottom: 20%;
    left: -100px;
    animation-delay: 0s;
}

.warehouse-box:nth-child(2) {
    bottom: 20%;
    left: -100px;
    animation-delay: 5s;
}

.warehouse-box:nth-child(3) {
    bottom: 20%;
    left: -100px;
    animation-delay: 10s;
}

.forklift {
    position: absolute;
    font-size: 4rem;
    bottom: 15%;
    left: -150px;
    animation: moveForklift 25s infinite linear;
}

@keyframes warehouseMove {
    0% {
        left: -100px;
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        left: 100%;
        transform: translateY(0);
    }
}

@keyframes moveForklift {
    0% {
        left: -150px;
    }
    100% {
        left: 100%;
    }
}

.warehouse-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.warehouse-feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
}

.warehouse-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.warehouse-feature-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.warehouse-feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.logistics-support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.support-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.support-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.support-item h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.support-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

.routes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.route-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.route-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--light-blue));
    transform: scaleX(0);
    transition: var(--transition);
}

.route-card:hover::before {
    transform: scaleX(1);
}

.route-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.route-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.route-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.route-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.warehouse-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.warehouse-benefit-item {
    text-align: center;
    position: relative;
    padding: 30px 20px;
}

.benefit-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--secondary-blue);
    opacity: 0.3;
    margin-bottom: 20px;
    line-height: 1;
}

.warehouse-benefit-item h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.warehouse-benefit-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 运踪查询页面样式 */
.procurement-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shopping-cart {
    position: absolute;
    font-size: 5rem;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
    animation: bounceCart 3s infinite ease-in-out;
}

.product-box {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    animation: floatProduct 4s infinite ease-in-out;
}

.product-box:nth-child(2) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.product-box:nth-child(3) {
    top: 60%;
    left: 70%;
    animation-delay: 1s;
}

.product-box:nth-child(4) {
    top: 40%;
    left: 80%;
    animation-delay: 2s;
}

@keyframes bounceCart {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-20px);
    }
}

@keyframes floatProduct {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

.procurement-advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}
@media (max-width: 1200px) {
    .procurement-advantages {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .procurement-advantages {
        grid-template-columns: 1fr;
    }
}

.advantage-modern-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-align: center;
}

.advantage-modern-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon-large {
    font-size: 4rem;
    margin-bottom: 20px;
}

.advantage-modern-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.advantage-modern-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.info-requirements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.info-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.info-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-blue);
    min-width: 60px;
    line-height: 1;
}

.info-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.info-content p {
    color: var(--text-gray);
    line-height: 1.8;
}

.procurement-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.process-step {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition);
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--secondary-blue), var(--light-blue));
    border-radius: 2px 0 0 2px;
}

.process-step:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-blue);
    min-width: 60px;
    line-height: 1;
}

.step-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.step-content p {
    color: var(--text-gray);
    line-height: 1.8;
}

.one-stop-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
    padding-bottom: 5vh;
}

.benefit-modern {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.benefit-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.benefit-modern h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.benefit-modern p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 博客页面样式 */
.breadcrumb-section {
    background: var(--light-gray);
    padding: 20px 0;
    margin-top: 120px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
}

.breadcrumb a {
    color: var(--secondary-blue);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.blog-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.blog-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.blog-card-image {
    height: 250px;
    position: relative;
    background-size: cover;
    background-position: center;
}

.blog-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary-blue);
}

.blog-card-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-date {
    color: var(--secondary-blue);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.blog-card-content h2 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
    line-height: 1.4;
    flex: 1;
}

.blog-advantages {
    background: #fee2e2;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.blog-advantage-item {
    color: #991b1b;
    font-size: 0.9rem;
    margin-bottom: 8px;
    line-height: 1.5;
}

.blog-advantage-item:last-child {
    margin-bottom: 0;
}

.blog-read-more {
    color: var(--secondary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    align-self: flex-start;
}

.blog-read-more:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

@media (max-width: 968px) {
    .secondary-navbar {
        top: 70px;
    }

    .hero,
    .page-hero,
    .animated-hero,
    .transport-animation-container {
        margin-top: 120px;
    }

    .breadcrumb-section {
        margin-top: 120px;
    }
}

// ... existing code ...

/* 分页控件样式 */
.pagination-container {
    margin-top: 50px;
    text-align: center;
}

.pagination {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.pagination-btn {
    background: var(--secondary-blue);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
    min-width: 100px;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.pagination-btn:disabled {
    background: var(--light-gray);
    color: var(--text-gray);
    cursor: not-allowed;
    opacity: 0.5;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 5px;
}

.page-number {
    background: transparent;
    border: 2px solid var(--light-gray);
    color: var(--dark-gray);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
}

.page-number:hover {
    border-color: var(--secondary-blue);
    color: var(--secondary-blue);
    transform: translateY(-2px);
}

.page-number.active {
    background: var(--secondary-blue);
    border-color: var(--secondary-blue);
    color: var(--white);
}

.page-info {
    margin-left: 15px;
    color: var(--text-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

/* 加载动画 */
.loading-spinner {
    text-align: center;
    padding: 60px 0;
    color: var(--secondary-blue);
    font-size: 1.1rem;
    font-weight: 500;
}

.loading-spinner::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--secondary-blue);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 博客列表筛选区域 */
.blog-filter-section {
    background: var(--light-gray);
    padding: 30px 0;
    margin-bottom: 40px;
}

.filter-container {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 300px;
}

.search-input {
    width: 100%;
    padding: 12px 50px 12px 20px;
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
}

.search-input:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--secondary-blue);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-50%) scale(1.1);
}

.filter-select {
    padding: 12px 20px;
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    font-size: 1rem;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Roboto', Arial, sans-serif;
    min-width: 200px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .pagination {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
        border-radius: 12px;
    }

    .page-numbers {
        order: -1;
    }

    .pagination-btn {
        min-width: auto;
        width: 100%;
    }

    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        min-width: auto;
    }

    .filter-select {
        min-width: auto;
        width: 100%;
    }
}


/* ICP备案信息样式 */
.icp-info {
    text-align: center;
    margin-top: 10px;
    opacity: 0.8;
    font-size: 0.9rem;
}

.icp-info a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.icp-info a:hover {
    opacity: 1;
    text-decoration: underline;
}


/* 加载动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

/* 竖排关注我们布局 */
.social-links-vertical {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.social-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-item-more {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.4);
}


.social-text {
    color: var(--white);
    font-weight: 500;
}

/* 图片弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    width: 90%;
    max-width: 500px;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: var(--white);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    transition: var(--transition);
}

.close:hover {
    color: var(--secondary-blue);
    transform: scale(1.2);
}

#modalImage {
    width: 100%;
    height: auto;
    display: block;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }

    .social-item {
        padding: 10px 15px;
    }

    .social-links-vertical {
        grid-template-columns: 1fr;
    }
}

.social-logo {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    flex-shrink: 0;
    overflow: hidden;
}

.social-logo img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}


@media (max-width: 768px) {
    .social-logo {
        width: 35px;
        height: 35px;
    }

    .social-logo img {
        width: 20px;
        height: 20px;
    }
}
.benefit-icon img {
    width: 100%;
    max-width: 200px;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
}