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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: transparent;
    backdrop-filter: none;
    z-index: 1000;
    box-shadow: none;
    border-bottom: none;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 100%;
    margin: 0;
    padding: 0 30px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 120px;
    gap: 20px;
    min-width: 0;
}

.nav-logo {
    display: flex;
    align-items: center;
    align-self: flex-start;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.logo-img {
    height: 150px;
    width: auto;
    margin-top: -6px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
    gap: 4px;
    align-items: center;
    text-align: center;
}

.company-name {
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
    white-space: nowrap;
}

.company-slogan {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    white-space: nowrap;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.3em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 25px;
    background: transparent;
    white-space: nowrap;
    flex-shrink: 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.nav-link i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.nav-link:hover {
    color: #007bff;
    background: rgba(0, 123, 255, 0.1);
    transform: translateY(-2px);
}

/* 滚动后的导航栏样式 */
.navbar.scrolled .nav-link {
    color: #333;
    text-shadow: none;
}

.navbar.scrolled .company-name {
    color: #007bff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    font-size: 26px;
}

.navbar.scrolled .company-slogan {
    color: #666;
    text-shadow: none;
    font-size: 14px;
}

.navbar.scrolled .lang-btn {
    background: linear-gradient(135deg, #007bff, #0056b3);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    backdrop-filter: none;
}

.nav-link:hover i {
    transform: scale(1.2);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 80%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 30px;
    flex-shrink: 0;
}



.language-selector {
    position: relative;
}

.lang-btn {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.8), rgba(0, 86, 179, 0.8));
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
}

.lang-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.lang-btn i:last-child {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.lang-btn:hover i:last-child {
    transform: rotate(180deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.hamburger:hover {
    background: rgba(0, 123, 255, 0.1);
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* 首页头部 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 0;
}

/* 顶部视频覆盖高度随导航高度同步 */
.hero-video { top: -120px; height: calc(100% + 120px); }
.hero-fallback { top: -120px; height: calc(100% + 120px); }
.hero::before { top: -120px; height: calc(100% + 120px); }
.hero-content { margin-top: 120px; }

.hero-video {
    position: absolute;
    top: -100px;
    left: 0;
    width: 100%;
    height: calc(100% + 100px);
    z-index: -1;
}

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-fallback {
    position: absolute;
    top: -100px;
    left: 0;
    width: 100%;
    height: calc(100% + 100px);
    z-index: -1;
}

.hero-fallback img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 0;
    width: 100%;
    height: calc(100% + 100px);
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.2), rgba(0, 0, 0, 0.3));
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    margin-top: 100px;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
    white-space: nowrap;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* 获取报价按钮 */
.quote-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
    white-space: nowrap;
}

.quote-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
    background: linear-gradient(135deg, #218838, #1ea085);
}

/* Hero区域双按钮样式 */
.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button.primary {
    background: linear-gradient(135deg, #28a745, #20c997);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid white;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #007bff, #0056b3);
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们 */
.about-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat-item h4 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #007bff;
    margin-bottom: 5px;
}

.stat-item p {
    color: #666;
    font-weight: 500;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.logistics-animation {
    position: relative;
    width: 100%;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.logistics-animation video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

.animation-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    padding: 20px;
    text-align: center;
}

.animation-overlay h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.animation-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* 四大方案入口 */
.solutions-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 60px;
}

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

.solution-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #28a745);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #007bff, #28a745);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.solution-card:hover .solution-icon {
    transform: scale(1.1);
}

.solution-icon i {
    font-size: 2rem;
    color: white;
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.solution-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.solution-features {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 25px;
}

.feature-tag {
    background: linear-gradient(135deg, #007bff, #28a745);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.solution-btn {
    display: inline-block;
    background: linear-gradient(135deg, #007bff, #28a745);
    color: white;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
}

.solution-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
}

/* 为什么选择我们 */
.why-choose-us-section {
    padding: 100px 0;
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin-top: 60px;
}

.advantage-item {
    text-align: center;
    padding: 32px 22px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007bff, #28a745);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.1);
}

.advantage-icon i {
    font-size: 1.5rem;
    color: white;
}

.advantage-item h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .advantages-grid { gap: 18px; }
    .advantage-item { padding: 26px 18px; }
    .advantage-icon { width: 54px; height: 54px; }
    .advantage-icon i { font-size: 1.3rem; }
    .advantage-item h4 { font-size: 1.05rem; }
}

@media (max-width: 768px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .advantage-item { padding: 22px 16px; }
    .advantage-icon { width: 50px; height: 50px; }
    .advantage-icon i { font-size: 1.2rem; }
}

/* 物流服务 */
.services-section {
    padding: 100px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}



/* 宣传图片区域 */
.promo-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.promo-container {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    position: relative;
}

.promo-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

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

.promo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.8), rgba(0, 0, 0, 0.6));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 40px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.promo-container:hover .promo-overlay {
    opacity: 1;
}

.promo-overlay h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.promo-overlay p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    max-width: 500px;
}

.promo-btn {
    display: inline-block;
    background: white;
    color: #007bff;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.promo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: #f8f9fa;
}

/* 行业资讯 */
.news-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.news-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #00d4ff);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.news-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: brightness(0.95);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1), rgba(0, 212, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.news-card:hover .news-image::after {
    opacity: 1;
}

.news-content {
    padding: 30px;
    background: white;
}

.news-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.3;
}

.news-content p {
    color: #7f8c8d;
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1rem;
}

.read-more {
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 0;
    position: relative;
    font-size: 0.95rem;
}

.read-more::after {
    content: '→';
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: #0056b3;
}

.read-more:hover::after {
    transform: translateX(8px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    .news-image {
        height: 200px;
    }
    
    .news-content {
        padding: 25px;
    }
    
    .news-content h3 {
        font-size: 1.3rem;
    }
}

/* 联系我们 */
.contact-section {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    font-size: 1.5rem;
    color: #007bff;
    margin-top: 5px;
}

.contact-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.contact-item p {
    color: #666;
}

.wechat-qr .qr-code {
    margin-top: 15px;
    text-align: center;
}

.qr-code img {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #28a745, #20c997);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto;
}

.qr-placeholder i {
    font-size: 2rem;
    margin-bottom: 8px;
}

.qr-placeholder span {
    font-size: 0.8rem;
    text-align: center;
}

/* 联系表单 */
.contact-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    background: white;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.submit-btn i {
    font-size: 16px;
}

/* 页脚 */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #007bff;
}

.footer-logo {
    height: 40px;
    margin-bottom: 15px;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #007bff;
}

.footer-section ul li i {
    margin-right: 10px;
    color: #007bff;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #007bff;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #ccc;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #007bff, #28a745);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 0;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 方案详情页面 */
.solution-detail {
    padding: 80px 0;
    background: white;
}

.solution-detail.alt {
    background: #f8f9fa;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-detail.alt .solution-content {
    grid-template-columns: 1fr 1fr;
    direction: rtl;
}

.solution-detail.alt .solution-info {
    direction: ltr;
}

.solution-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #007bff, #28a745);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    margin-bottom: 25px;
}

.solution-badge i {
    font-size: 1.2rem;
}

.solution-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.2;
}

.solution-desc {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.solution-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(0, 123, 255, 0.05);
    border-radius: 15px;
    border-left: 4px solid #007bff;
}

.highlight-item i {
    font-size: 1.5rem;
    color: #007bff;
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.highlight-item p {
    color: #666;
    font-size: 0.95rem;
}

.solution-scenarios, .solution-promise {
    margin-bottom: 40px;
}

.solution-scenarios h3, .solution-promise h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.solution-scenarios ul {
    list-style: none;
    padding: 0;
}

.solution-scenarios li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: #666;
}

.solution-scenarios li i {
    color: #28a745;
    font-size: 1rem;
}

.promise-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.promise-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border-radius: 10px;
    border-left: 4px solid #28a745;
}

.promise-item i {
    font-size: 1.3rem;
    color: #28a745;
    flex-shrink: 0;
}

.promise-item span {
    color: #333;
    font-weight: 500;
}

.solution-cta {
    display: inline-block;
    background: linear-gradient(135deg, #007bff, #28a745);
    color: white;
    text-decoration: none;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.solution-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

/* 路线图 */
.solution-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.route-diagram {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 40px;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.route-point {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
}

.route-point i {
    font-size: 2rem;
    color: #007bff;
    padding: 15px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
}

.route-point span {
    font-weight: 600;
    color: #333;
    font-size: 1.1rem;
}

.route-line {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    position: relative;
}

.route-line::before {
    content: '';
    flex: 1;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #28a745);
    border-radius: 2px;
}

.route-line i {
    font-size: 1.5rem;
    color: #28a745;
    background: white;
    padding: 10px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(40, 167, 69, 0.3);
}

.route-line.multi {
    gap: 10px;
}

.route-line.express i {
    color: #ffc107;
    animation: pulse 2s infinite;
}

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

/* 报价表单 */
.quote-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.quote-form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.quote-form {
    display: grid;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: #333;
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    background: white;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.quote-submit-btn {
    background: linear-gradient(135deg, #007bff, #28a745);
    color: white;
    border: none;
    padding: 18px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.quote-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

/* 导航栏活跃状态 */
.nav-link.active {
    color: #007bff !important;
    background: rgba(0, 123, 255, 0.1);
}

/* 航线地图展示 */
.routes-map-section {
    padding: 100px 0;
    background: white;
}

.routes-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.route-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: 2px solid #e9ecef;
    color: #666;
    padding: 15px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.route-tab:hover {
    border-color: #007bff;
    color: #007bff;
    transform: translateY(-2px);
}

.route-tab.active {
    background: linear-gradient(135deg, #007bff, #28a745);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.routes-content {
    position: relative;
}

.route-panel {
    display: none;
}

.route-panel.active {
    display: block;
}

.map-container {
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    position: relative;
}

.route-visualization {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 40px;
}

.route-visualization.transit {
    grid-template-columns: 1fr 1fr 1fr;
}

.route-visualization.express {
    grid-template-columns: 1fr 1fr 1fr;
}

.origin-cities, .destination-cities, .transit-hub {
    text-align: center;
}

.origin-cities h4, .destination-cities h4, .transit-hub h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.city-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.city-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.city-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.city-item i {
    color: #007bff;
    font-size: 1.1rem;
}

.city-item.transit-city i {
    color: #28a745;
}

.route-lines {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.flight-path {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
}

.flight-path i {
    font-size: 2rem;
    color: #007bff;
    animation: fly 3s infinite linear;
}

.path-line {
    flex: 1;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #28a745);
    border-radius: 2px;
    position: relative;
}

.path-line::after {
    content: '';
    position: absolute;
    right: -5px;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 8px solid #28a745;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

@keyframes fly {
    0% { transform: translateX(-20px); }
    100% { transform: translateX(20px); }
}

.express-network {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.express-logos {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.express-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    font-weight: 600;
    color: #333;
}

.express-item i {
    font-size: 1.5rem;
    color: #ffc107;
}

.route-info-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-left: 5px solid #007bff;
}

.route-info-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.route-info-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.route-info-card li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: #666;
}

.route-info-card li i {
    color: #28a745;
    font-size: 1rem;
}

.info-btn {
    display: inline-block;
    background: linear-gradient(135deg, #007bff, #28a745);
    color: white;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.info-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* 联系CTA区域 */
.contact-cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #007bff, #28a745);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-btn.primary {
    background: white;
    color: #007bff;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.cta-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.cta-btn:hover {
    transform: translateY(-3px);
}

.cta-btn.primary:hover {
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

.cta-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 20px;
        gap: 15px;
    }
    
    .nav-menu {
        gap: 25px;
    }
}

@media (max-width: 900px) {
    .nav-menu {
        gap: 20px;
    }
    
    .nav-link {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .nav-link i {
        font-size: 12px;
    }
    
    .logo-text {
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }
    
    .company-name {
        font-size: 18px;
    }
    
    .company-slogan {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 60px;
        margin-top: 0;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .solution-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .solution-detail.alt .solution-content {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .solution-highlights {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .route-diagram {
        flex-direction: column;
        gap: 20px;
        padding: 30px 20px;
    }

    .route-line {
        width: 3px;
        height: 40px;
        flex-direction: column;
        justify-content: center;
    }

    .route-line::before {
        width: 3px;
        height: 20px;
        flex: none;
    }

    .quote-form-container {
        padding: 30px 20px;
        margin: 0 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .routes-tabs {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .route-tab {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .map-container {
        padding: 30px 20px;
    }

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

    .route-visualization.transit,
    .route-visualization.express {
        grid-template-columns: 1fr;
    }

    .city-list {
        align-items: center;
    }

    .city-item {
        max-width: 200px;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

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

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

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 90px;
        flex-direction: column;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.9));
        backdrop-filter: blur(15px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        padding: 30px 0;
        gap: 20px;
    }

    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: 15px 20px;
        border-radius: 15px;
        margin: 0 20px;
        background: rgba(255, 255, 255, 0.5);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-link:hover {
        background: rgba(0, 123, 255, 0.1);
        transform: translateY(-3px);
        box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
    }
    
    .logo-text {
        display: none;
    }
    
    .logo-img {
        height: 60px;
        margin-top: 0;
    }

    .nav-container {
        height: 80px;
        padding: 0 15px 0 0;
    }
    
    .logo-container {
        gap: 10px;
    }
    
    .hero-video {
        top: -80px;
        height: calc(100% + 80px);
    }
    
    .hero-fallback {
        top: -80px;
        height: calc(100% + 80px);
    }
    
    .hero::before {
        top: -80px;
        height: calc(100% + 80px);
    }
    
    .hero-content {
        margin-top: 80px;
    }

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

    .hero-content p {
        font-size: 1.1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

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

    .contact-form {
        padding: 30px 20px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #007bff;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
} 

/* 语言下拉菜单 */
.language-selector {
    position: relative;
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(255,255,255,0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    padding: 8px 0;
    display: none;
    z-index: 1200;
}

.language-selector.open .lang-menu {
    display: block;
}

.lang-menu li {
    list-style: none;
    padding: 10px 14px;
    cursor: pointer;
    color: #333;
    font-weight: 500;
}

.lang-menu li:hover {
    background: rgba(0, 123, 255, 0.08);
    color: #007bff;
} 

/* 公司二级导航 */
.company-subnav {
    position: sticky;
    top: 120px;
    z-index: 900;
    background: white;
    border-bottom: 1px solid #eef1f5;
}

/* 复用 .subnav-menu 和 .subnav-link 样式 */

/* 方案二级导航 */
.solutions-subnav {
    position: sticky;
    top: 120px;
    z-index: 900;
    background: white;
    border-bottom: 1px solid #eef1f5;
}

.subnav-menu {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 14px 0;
    list-style: none;
}

.subnav-item {}

.subnav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 20px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.25s ease;
    background: rgba(0, 123, 255, 0.06);
}

.subnav-link i { font-size: 14px; color: #007bff; }

.subnav-link:hover {
    transform: translateY(-2px);
    background: rgba(0, 123, 255, 0.12);
    box-shadow: 0 6px 18px rgba(0, 123, 255, 0.12);
}

@media (max-width: 768px) {
    .solutions-subnav { top: 60px; }
    .subnav-menu { flex-wrap: wrap; gap: 12px; padding: 12px 10px; }
} 

/* Hero 徽章 */
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 16px;
    margin-top: 22px;
    list-style: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.02em;
    backdrop-filter: blur(6px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

.hero-badge i {
    font-size: 14px;
    color: #fff;
}

@media (max-width: 768px) {
    .hero-badge {
        font-size: 13px;
        padding: 7px 12px;
    }
} 

/* 客诉关怀卡片 */
.care-section {
    padding: 100px 0;
    background: white;
}

.care-content {
    margin-top: 40px;
}

.care-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.care-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.08);
    border: 1px solid #eef1f5;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.care-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.care-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #007bff, #28a745);
    color: #fff;
    margin-bottom: 14px;
    box-shadow: 0 6px 18px rgba(0, 123, 255, 0.25);
}

.care-icon i { font-size: 22px; }

.care-card h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: 700;
}

.care-card p {
    color: #666;
    line-height: 1.7;
    font-size: 0.98rem;
}

@media (max-width: 768px) {
    .care-grid { grid-template-columns: 1fr; gap: 18px; }
    .care-card { padding: 22px 18px; }
} 

/* FAQ */
.faq-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

.faq-item {
    background: #fff;
    border: 1px solid #eef1f5;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
    overflow: hidden;
    transition: box-shadow 0.25s ease;
}

.faq-item.open { box-shadow: 0 12px 32px rgba(0,0,0,0.1); }

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    text-align: left;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #333;
    cursor: pointer;
}

.faq-question i:first-child { color: #007bff; }
.faq-question i:last-child { margin-left: auto; color: #999; transition: transform 0.2s ease; }
.faq-item.open .faq-question i:last-child { transform: rotate(180deg); }

.faq-answer {
    padding: 0 20px 18px 52px;
    color: #555;
    line-height: 1.8;
    display: none;
}

.faq-item.open .faq-answer { display: block; }

@media (max-width: 768px) {
    .faq-accordion { gap: 12px; }
    .faq-question { padding: 16px 16px; font-size: 1rem; }
    .faq-answer { padding: 0 16px 16px 46px; }
} 

/* 伙伴信息与LOGO预留 */
.partners-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.partner-block {
    background: #fff;
    border: 1px solid #eef1f5;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}
.partner-block h4 { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; color: #333; }
.partner-block p { color: #666; }

.partner-logos { margin-top: 20px; display: flex; justify-content: center; }
.logo-placeholder {
    width: 100%;
    max-width: 860px;
    height: 140px;
    border: 2px dashed #cfd6df;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8a97a6;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
} 

.logos-grid {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
    align-items: center;
    justify-items: center;
}
.partner-logo {
    max-height: 100px;
    max-width: 100%;
    object-fit: contain;
    filter: none;
}
@media (max-width: 768px) {
    .partner-logo { max-height: 80px; }
} 

/* Partners visual enhancements */
#partners {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}
#partners .partners-info { margin-top: 30px; }
.partner-block {
    position: relative;
    overflow: hidden;
    border: 1px solid #e9edf3;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.partner-block::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #28a745);
}
.partner-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}
.partner-block h4 { color: #2c3e50; }
.partner-block h4 i { color: #007bff; }

#partners .partner-logos { margin-top: 28px; }
.partner-logo {
    background: #fff;
    padding: 14px 24px;
    border-radius: 14px;
    border: 1px solid #e9edf3;
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
    filter: grayscale(35%) contrast(0.95) opacity(0.92);
}
.partner-logo:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 14px 36px rgba(0,0,0,0.12);
    filter: none;
}

@media (max-width: 768px) {
    .partner-block { padding: 18px; }
} 


/* 异常处理与客户关怀：单行布局与紧凑样式 */
.care-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
}
.care-card { padding: 24px 20px; }
.care-icon { width: 52px; height: 52px; }
.care-icon i { font-size: 20px; }
.care-card h4 { font-size: 1.1rem; }
.care-card p { font-size: 0.95rem; }

@media (max-width: 1024px) {
    .care-grid { gap: 14px; }
    .care-card { padding: 20px 16px; }
    .care-icon { width: 48px; height: 48px; }
    .care-icon i { font-size: 18px; }
    .care-card h4 { font-size: 1.02rem; }
    .care-card p { font-size: 0.9rem; }
}

@media (max-width: 768px) {
    .care-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
    .care-card { padding: 16px 12px; }
    .care-icon { width: 44px; height: 44px; }
    .care-icon i { font-size: 16px; }
    .care-card h4 { font-size: 0.98rem; }
    .care-card p { font-size: 0.85rem; }
} 

/* 关于我们 > 运营环境：单行紧凑布局 */
#operations .services-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}
#operations .service-card { padding: 32px 22px; }
#operations .service-icon { width: 60px; height: 60px; }
#operations .service-icon i { font-size: 1.6rem; }
#operations .service-card h3 { font-size: 1.2rem; }

@media (max-width: 1024px) {
    #operations .services-grid { gap: 18px; }
    #operations .service-card { padding: 26px 18px; }
    #operations .service-icon { width: 54px; height: 54px; }
    #operations .service-icon i { font-size: 1.4rem; }
    #operations .service-card h3 { font-size: 1.08rem; }
}

@media (max-width: 768px) {
    #operations .services-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    #operations .service-card { padding: 22px 16px; }
    #operations .service-icon { width: 50px; height: 50px; }
    #operations .service-icon i { font-size: 1.25rem; }
}

/* Hero 徽章 hover 高亮效果 */
.hero-badge { transition: all 0.25s ease; }
.hero-badge:hover {
    background: rgba(255, 255, 255, 0.28);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 24px rgba(0,0,0,0.22);
}
.hero-badge:hover i { transform: scale(1.1); transition: transform 0.25s ease; }

/* 伙伴品牌卡片 */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    max-width: 1100px;
    margin: 18px auto 0;
}
.brand-card {
    background: #fff;
    border: 1px solid #e9edf3;
    border-radius: 14px;
    padding: 14px 16px 16px;
    text-align: center;
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.brand-card:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(0,0,0,0.12); }
.brand-card h5 { margin-bottom: 10px; font-size: 0.95rem; color: #2c3e50; }
.brand-logo {
    max-height: 56px;
    max-width: 96%;
    object-fit: contain;
    display: inline-block;
    filter: grayscale(20%) contrast(0.98);
    transition: filter 0.25s ease;
}
.brand-card:hover .brand-logo { filter: none; }

@media (max-width: 768px) {
    .brand-grid { grid-template-columns: repeat(3, 1fr); }
    .brand-logo { max-height: 48px; }
}

/* LOGO 占位样式（图片缺失时） */
.brand-card.logo-missing {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 16px;
}
.brand-card.logo-missing::after {
    content: 'Logo 暂无';
    color: #8a97a6;
    font-size: 0.9rem;
}