/*
 * 全局样式
 */
:root {
    --primary-color: #0056b3;
    --secondary-color: #004494;
    --accent-color: #0075e3;
    --dark-color: #333333;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --border-color: #e9ecef;
    --font-primary: 'Montserrat', sans-serif;
    --font-size-base: 16px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

.container {
    max-width: 1200px;
    width: 100%;
    padding: 0 15px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

.section-header p {
    font-size: 18px;
    color: var(--gray-color);
    max-width: 700px;
    margin: 0 auto;
}

section {
    padding: 80px 0;
}

section.hero-carousel {
    padding: 0;
}

/* Button general styles */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 4px;
    font-family: var(--font-primary);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

/* Primary button style */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: none;
    animation: buttonAppear 0.5s ease-out 0.7s forwards;
    opacity: 0;
    transform: translateY(10px);
}

@keyframes buttonAppear {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
}

/* Button outline style */
.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/*
 * 头部样式
 */
.site-header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    margin-bottom: 0;
}

.header-top {
    background-color: var(--dark-color);
    padding: 10px 0;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info {
    display: flex;
}

.info-item {
    display: flex;
    align-items: center;
    margin-right: 20px;
}

.info-item i {
    margin-right: 8px;
    color: var(--accent-color);
}

.social-links {
    display: flex;
}

.social-link {
    color: #fff;
    margin-left: 15px;
    font-size: 16px;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--accent-color);
}

.header-main {
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    color: var(--dark-color);
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.main-nav {
    display: flex;
}

.nav-menu {
    display: flex;
}

.nav-item {
    position: relative;
    margin: 0 15px;
}

.nav-link {
    color: var(--dark-color);
    font-weight: 500;
    padding: 8px 0;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 220px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 10;
}

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

.dropdown-menu li {
    padding: 8px 20px;
    transition: var(--transition);
}

.dropdown-menu li:hover {
    background-color: var(--light-color);
}

.dropdown-menu a {
    color: var(--dark-color);
    display: block;
}

.dropdown-menu a:hover {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    width: 30px;
    cursor: pointer;
    background: none;
    border: none;
    margin-left: 20px;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--dark-color);
    margin-bottom: 5px;
    border-radius: 3px;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    height: 100vh;
    background-color: #fff;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    transition: var(--transition);
    overflow-y: auto;
}

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

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--dark-color);
}

.mobile-nav-menu {
    padding: 20px;
}

.mobile-nav-item {
    margin-bottom: 15px;
}

.mobile-nav-link {
    color: var(--dark-color);
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-dropdown-menu {
    padding-left: 15px;
    margin-top: 10px;
    display: none;
}

.mobile-dropdown-menu li {
    margin-bottom: 10px;
}

.mobile-contact-info {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.mobile-contact-info .info-item {
    margin-bottom: 15px;
}

.mobile-contact-info .social-links {
    margin-top: 20px;
    justify-content: flex-start;
}

.mobile-contact-info .social-link {
    margin-left: 0;
    margin-right: 15px;
    color: var(--dark-color);
}

/*
 * 主横幅样式
 */
/* 轮播基础样式 */
.hero-carousel {
    position: relative;
    overflow: hidden;
    height: 800px;
    margin-top: 0;
}

.carousel-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.5s ease, visibility 1.5s ease;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

/* 轮播控制按钮 */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    z-index: 10;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-control:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background-color: #fff;
    transform: scale(1.2);
}

/* 幻灯片样式 */
.hero {
    height: 100%;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide-1 {
    background-image: linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65)), url('../../img/haoke.jpg');
}

.slide-2 {
    background-image: url('../../img/haoke1.jpg');
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 15px;
    animation: fadeInDown 1s ease;
}

.hero h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 18px;
    margin-bottom: 10px;
    animation: fadeInUp 1.2s ease;
}

.hero .btn {
    margin-top: 30px;
    animation: fadeInUp 1.4s ease;
}

/*
 * 产品特点样式
 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

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

.feature-card .icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
    font-size: 30px;
    transition: var(--transition);
}

.feature-card:hover .icon {
    background-color: var(--primary-color);
    color: #fff;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-card p {
    color: var(--gray-color);
}

/*
 * 全球业务样式
 */
.global-business {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.global-content {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.global-info {
    flex: 1;
}

.global-highlight {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    background-color: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.global-highlight:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.global-highlight .icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
}

.highlight-text h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.highlight-text p {
    font-size: 15px;
    color: var(--gray-color);
    line-height: 1.5;
}

.world-map {
    flex: 1;
    text-align: center;
}

.world-map img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.map-caption {
    margin-top: 15px;
    font-size: 14px;
    color: var(--gray-color);
    font-style: italic;
}

/* Global partners section removed as requested */

/* Responsive styles for Global Business section */
@media screen and (max-width: 1200px) {
    .global-content {
        flex-direction: column;
    }
    
    .world-map {
        margin-top: 20px;
    }
}

@media screen and (max-width: 992px) {
    .global-content {
        flex-direction: column;
    }
    
    .world-map {
        margin-top: 20px;
    }
}

@media screen and (max-width: 768px) {
    .global-content {
        flex-direction: column;
    }
    
    .world-map {
        margin-top: 20px;
    }
}

@media screen and (max-width: 576px) {
    .global-highlight {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .highlight-text {
        margin-top: 15px;
    }
}

/*
 * 公司优势样式
 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-card {
    padding: 40px 30px;
    text-align: center;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.advantage-card .icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--gray-color);
}

/*
 * 客户评价样式
 */
.testimonials {
    background-image: linear-gradient(rgba(0, 86, 179, 0.9), rgba(0, 68, 148, 0.9)), url('../images/testimonial-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
}

.testimonials .section-header h2 {
    color: #fff;
}

.testimonials .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #ffffff;
}

.quote {
    margin-bottom: 20px;
}

.quote i {
    font-size: 30px;
    color: #ffffff;
    margin-bottom: 15px;
    display: block;
}

.quote p {
    font-style: italic;
    line-height: 1.8;
}

.client {
    display: flex;
    align-items: center;
}

.client-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-image i {
    font-size: 28px;
    color: #ffffff;
}

.client-info h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.client-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/*
 * 常见问题样式
 */
.faq {
    background-color: var(--light-color);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: #fff;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
}

.toggle-icon {
    color: var(--primary-color);
    font-size: 14px;
    transition: var(--transition);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease-in-out;
    opacity: 0;
    visibility: hidden;
}

.faq-item.active .faq-question {
    background-color: var(--primary-color);
    color: #fff;
}

.faq-item.active .toggle-icon {
    color: #fff;
}

.faq-item.active .toggle-icon i {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 1000px; /* 增大最大高度以确保内容能够完全显示 */
    border-bottom: 1px solid #eee;
    border-left: 1px solid #eee;
    border-right: 1px solid #eee;
    border-radius: 0 0 8px 8px;
    opacity: 1;
    visibility: visible;
}

/* View more questions button */
.view-more-questions {
    text-align: center;
    margin-top: 40px;
}

.view-more-questions .btn {
    max-width: 250px;
    display: inline-block;
    padding: 12px 25px;
}

/*
 * 联系我们样式 - 全新设计
 */
.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.contact-form {
    padding: 40px;
    background-color: #fff;
    background-image: 
        radial-gradient(circle at 100% 100%, rgba(0, 86, 179, 0.03) 10px, transparent 0),
        radial-gradient(circle at 0% 0%, rgba(0, 86, 179, 0.03) 10px, transparent 0);
    background-size: 20px 20px;
    background-position: bottom right, top left;
    background-repeat: no-repeat;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: formAppear 0.6s ease-out;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

@keyframes formAppear {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    margin-bottom: 24px;
    position: relative;
    animation: staggeredFade 0.4s ease-out forwards;
    opacity: 0;
}

.form-group:nth-child(1) { animation-delay: 0.2s; }
.form-group:nth-child(2) { animation-delay: 0.3s; }
.form-group:nth-child(3) { animation-delay: 0.4s; }
.form-group:nth-child(4) { animation-delay: 0.5s; }
.form-group:nth-child(5) { animation-delay: 0.6s; }

@keyframes staggeredFade {
    0% {
        opacity: 0;
        transform: translateX(-10px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.floating-label {
    position: absolute;
    top: 17px;
    left: 18px;
    font-size: 16px;
    color: #aaa;
    pointer-events: none;
    transition: all 0.3s ease;
    opacity: 0;
}

.form-group input:focus ~ .floating-label,
.form-group textarea:focus ~ .floating-label,
.form-group input:not(:placeholder-shown) ~ .floating-label,
.form-group textarea:not(:placeholder-shown) ~ .floating-label {
    top: -10px;
    left: 15px;
    font-size: 12px;
    background-color: #fff;
    padding: 0 5px;
    color: var(--primary-color);
    opacity: 1;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 18px;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #f9f9f9;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
    opacity: 0;
}

.form-group:focus-within::after {
    width: 100%;
    opacity: 1;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
    background-color: #fff;
    transform: translateY(-1px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #aaa;
    font-weight: 300;
}

.form-group textarea {
    height: 150px;
    resize: none;
}

.btn.btn-primary {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    z-index: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border: none;
    animation: buttonAppear 0.5s ease-out 0.7s forwards;
    opacity: 0;
    transform: translateY(10px);
}

@keyframes buttonAppear {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    z-index: -1;
}

.btn.btn-primary:hover::before {
    left: 100%;
}

.btn.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info .info-item {
    display: flex;
    align-items: center;
    background-color: #fff;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 5px solid #f1f1f1;
}

.contact-info .info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
}

.contact-info .icon {
    min-width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    margin-right: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-info .info-item:hover .icon {
    transform: scale(1.1) rotate(10deg);
}

.contact-info .icon i {
    font-size: 22px;
    line-height: 1;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.contact-info .text {
    flex: 1;
}

.contact-info .text h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.contact-info .text p {
    color: var(--gray-color);
    margin: 0;
    line-height: 1.5;
}

/* Captcha styles */
.captcha-group {
    margin-bottom: 24px;
}

.captcha-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
    border: 1px solid #eaeaea;
}

.captcha-container label {
    margin-right: 10px;
    font-weight: 500;
    color: #555;
    font-size: 14px;
}

.captcha-code {
    background: linear-gradient(135deg, #f1f1f1, #fff);
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 5px;
    color: #333;
    text-align: center;
    min-width: 100px;
    user-select: none;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    border: 1px dashed #ddd;
}

.captcha-container input {
    flex: 1;
    min-width: 120px;
    padding: 12px 15px;
    border: 1px solid #eaeaea;
    border-radius: 6px;
    font-size: 16px;
    background-color: #fff;
    transition: all 0.3s ease;
}

.captcha-container input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

/* Alert styles */
.alert {
    padding: 15px;
    margin-bottom: 24px;
    border-radius: 8px;
    font-size: 14px;
}

.alert-danger {
    background-color: #fff2f2;
    color: #e74c3c;
    border-left: 4px solid #e74c3c;
}

.alert-success {
    background-color: #f0fff4;
    color: #2ecc71;
    border-left: 4px solid #2ecc71;
}

.alert p {
    margin: 5px 0;
}

/*
 * 页脚样式
 */
.site-footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0;
}

.footer-top {
    padding: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.logo-col {
    display: flex;
    align-items: center;
}

.footer-logo a {
    display: inline-block;
}

.footer-logo img {
    max-width: 160px;
    height: auto;
}

.footer-heading {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-heading:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-contact-info p {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.mt-15 {
    margin-top: 15px;
}

.working-hours p {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-top: 30px;
    text-align: center;
}

.copyright p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
}

@media screen and (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/*
 * 动画效果
 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/*
 * 响应式设计
 */
@media screen and (max-width: 1200px) {
    .hero-carousel {
        height: 700px;
    }
}

@media screen and (max-width: 992px) {
    .section-header h2 {
        font-size: 32px;
    }
    
    .hero-carousel {
        height: 600px;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .hero h2 {
        font-size: 28px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .product-image {
        height: 160px;
    }
}

@media screen and (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-top {
        flex-direction: column;
    }
    
    .contact-info {
        margin-bottom: 10px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .hero-carousel {
        height: 500px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero h2 {
        font-size: 24px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .carousel-control {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

@media screen and (max-width: 576px) {
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 30px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .contact-info {
        flex-direction: column;
    }
    
    .info-item {
        margin-bottom: 10px;
    }
    
    .hero-carousel {
        height: 450px;
    }
    
    .hero h1 {
        font-size: 30px;
    }
    
    .hero h2 {
        font-size: 20px;
    }
    
    .carousel-control {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .carousel-prev {
        left: 10px;
    }
    
    .carousel-next {
        right: 10px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 200px;
    }
}

/*
 * 页面横幅样式
 */
.page-banner {
    background-color: var(--primary-color);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.page-banner h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
}

.breadcrumb {
    font-size: 16px;
}

/* Center the breadcrumb for about.php, faq.php, and contact.php */
.page-banner .breadcrumb {
    text-align: center;
    width: 100%;
    display: flex;
    justify-content: center;
}

.breadcrumb a {
    color: #fff;
    transition: var(--transition);
}

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

.breadcrumb span {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 5px;
}

/*
 * 关于我们介绍部分样式
 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature {
    display: flex;
    align-items: center;
}

.feature i {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 10px;
}

.feature span {
    font-weight: 500;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/*
 * 历史时间线样式
 */
.our-history {
    background-color: var(--light-color);
}

.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-year {
    width: 100px;
    height: 100px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    z-index: 2;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-content {
    width: calc(50% - 70px);
    padding: 25px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-left: 40px;
    position: relative;
}

.timeline-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.timeline-content p {
    color: var(--gray-color);
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: 40px;
    text-align: right;
}

/*
 * 核心优势样式
 */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.strength-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.strength-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.strength-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    z-index: -1;
    transform: translateY(100%);
    transition: var(--transition);
}

.strength-card:hover:before {
    transform: translateY(0);
}

.strength-card:hover h3,
.strength-card:hover p {
    color: #fff;
}

.strength-card .icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.strength-card:hover .icon {
    color: #fff;
}

.strength-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    transition: var(--transition);
}

.strength-card p {
    color: var(--gray-color);
    transition: var(--transition);
}

/*
 * 团队成员样式
 */
.our-team {
    background-color: var(--light-color);
}

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

.team-member {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.member-photo {
    position: relative;
    overflow: hidden;
}

.member-photo:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: var(--transition);
}

.team-member:hover .member-photo:before {
    opacity: 1;
}

.member-photo img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.team-member:hover .member-photo img {
    transform: scale(1.1);
}

.member-info {
    padding: 25px;
}

.member-info h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 5px;
}

.member-info .position {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 15px;
}

.member-info .bio {
    color: var(--gray-color);
}

/*
 * 响应式设计 - 关于我们页面
 */
@media screen and (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        order: 2;
    }
    
    .about-image {
        order: 1;
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline-item {
        justify-content: flex-start;
    }
    
    .timeline-year {
        width: 60px;
        height: 60px;
        font-size: 16px;
        margin-left: 0;
    }
    
    .timeline-content {
        width: calc(100% - 90px);
        margin-left: 30px;
    }
    
    .timeline-item:nth-child(even) {
        flex-direction: row;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        margin-right: 0;
        margin-left: 30px;
        text-align: left;
    }
}

@media screen and (max-width: 576px) {
    .page-banner h1 {
        font-size: 36px;
    }
    
    .about-content h2 {
        font-size: 28px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

/*
 * 产品页面样式
 */
.products-banner {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/products-banner.jpg');
}

.product-categories {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.categories-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.category-link {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 30px;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.category-link:hover, .category-link.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.products-list {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background-color: #f9f9f9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.btn-details {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-details:hover {
    background-color: var(--secondary-color);
    color: #fff;
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    transition: var(--transition);
}

.product-card:hover .product-info h3 {
    color: var(--primary-color);
}

.product-description {
    color: var(--gray-color);
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-inquiry {
    display: inline-block;
    padding: 8px 20px;
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-inquiry:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.no-products {
    text-align: center;
    padding: 50px 0;
}

.no-products p {
    font-size: 18px;
    color: var(--gray-color);
}

/* 产品详情弹窗 */
.product-modal, .inquiry-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    overflow-y: auto;
}

.modal-content {
    background-color: #fff;
    margin: 50px auto;
    max-width: 1000px;
    width: 90%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    color: var(--dark-color);
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--accent-color);
}

.modal-header {
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
}

.modal-body {
    padding: 25px;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.product-detail-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.product-detail-info h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-detail-info p {
    color: var(--gray-color);
    margin-bottom: 20px;
    line-height: 1.8;
}

.product-detail-info h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    margin-top: 30px;
}

.product-features {
    margin-bottom: 30px;
}

.product-features li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.product-features i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 咨询表单 */
#inquiry-form .form-group {
    margin-bottom: 20px;
}

#inquiry-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

#inquiry-form input,
#inquiry-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 16px;
    transition: var(--transition);
}

#inquiry-form input:focus,
#inquiry-form textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
    background-color: #fff;
    transform: translateY(-1px);
}

#inquiry-form textarea {
    height: 150px;
    resize: none;
}

/* OEM服务部分 */
.oem-services {
    background-color: var(--light-color);
    padding: 80px 0;
}

.oem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.oem-info h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 25px;
}

.oem-features {
    margin-bottom: 30px;
}

.oem-features li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

.oem-features i {
    color: var(--primary-color);
    margin-right: 10px;
    margin-top: 5px;
}

.oem-features span {
    line-height: 1.6;
}

.oem-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 - 产品页面 */
@media screen and (max-width: 992px) {
    .product-detail {
        grid-template-columns: 1fr;
    }
    
    .oem-grid {
        grid-template-columns: 1fr;
    }
    
    .oem-info {
        order: 2;
    }
    
    .oem-image {
        order: 1;
    }
}

@media screen and (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .category-link {
        padding: 8px 15px;
        font-size: 14px;
    }
    
    .modal-content {
        width: 95%;
        margin: 30px auto;
    }
}

@media screen and (max-width: 576px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-nav {
        gap: 10px;
    }
    
    .product-detail-info h2 {
        font-size: 24px;
    }
}

/* Product Showcase Styling */
.product-showcase {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.showcase-title {
    text-align: center;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 40px;
    color: var(--dark-color);
    position: relative;
}

.showcase-title:after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.product-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background-color: #f9f9f9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-item:hover .product-image img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 86, 179, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.btn-view {
    display: inline-block;
    padding: 10px 20px;
    background-color: #fff;
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s ease;
    transform: translateY(20px);
    opacity: 0;
}

.product-item:hover .btn-view {
    transform: translateY(0);
    opacity: 1;
}

.btn-view:hover {
    background-color: var(--accent-color);
    color: #fff;
}

.product-name {
    padding: 20px 15px;
    text-align: center;
    font-weight: 600;
    color: var(--dark-color);
    transition: color 0.3s ease;
}

.product-item:hover .product-name {
    color: var(--primary-color);
}

.view-all-products {
    text-align: center;
    margin-top: 20px;
}

/* Responsive styles for product showcase */
@media screen and (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .product-image {
        height: 160px;
    }
}

@media screen and (max-width: 576px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 200px;
    }
}

/* 视频模块样式开始 */
.video-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.video-container {
    max-width: 1000px;
    margin: 0 auto;
}

.video-player {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 30px auto 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.video-thumbnail {
    position: relative;
    cursor: pointer;
}

.video-thumbnail img {
    width: 100%;
    display: block;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

.play-button i {
    color: #fff;
    font-size: 50px;
    margin-left: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.video-thumbnail:hover .play-button {
    background-color: rgba(0, 86, 179, 0.9);
    transform: translate(-50%, -50%) scale(1.15);
}

.video-iframe {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 比例 */
}

.video-iframe iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}
/* 视频模块样式结束 */

/* New Export Countries section */
.export-countries {
    margin-top: 50px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    padding: 40px;
}

.export-title {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--dark-color);
    position: relative;
}

.export-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

.countries-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.region {
    display: flex;
    flex-direction: column;
}

.region h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.country-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.country-list li {
    padding: 8px 0;
    color: var(--dark-color);
    border-bottom: 1px dashed var(--border-color);
    transition: var(--transition);
}

.country-list li:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.export-footer {
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}

.export-count {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.export-text {
    font-size: 18px;
    color: var(--gray-color);
    margin-top: 10px;
}

/* Responsive styles for Export Countries section */
@media screen and (max-width: 1200px) {
    .countries-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .export-countries {
        padding: 30px 20px;
    }
}

@media screen and (max-width: 576px) {
    .countries-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .export-count {
        font-size: 36px;
    }
    
    .export-text {
        font-size: 16px;
    }
}

@media screen and (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        margin-top: 20px;
    }
}

/*
 * FAQ页面特定样式
 */
.faq-page {
    padding: 80px 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.faq-page::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.05) 0%, rgba(0, 102, 204, 0) 70%);
    z-index: 0;
}

.faq-page::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.05) 0%, rgba(0, 102, 204, 0) 70%);
    z-index: 0;
}

.faq-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.faq-category {
    padding: 12px 25px;
    background-color: #fff;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid transparent;
}

.faq-category:hover {
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.1);
    transform: translateY(-2px);
}

.faq-category.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: transparent;
}

/* FAQ容器样式 */
.faq-container {
    display: none;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.faq-container.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* FAQ联系引导部分样式 */
.faq-contact-guide {
    padding: 100px 0;
    background: linear-gradient(135deg, #0066cc, #0056b3);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.faq-contact-guide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 1;
}

.guide-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.guide-icon {
    font-size: 60px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.guide-content h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
}

.guide-content p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.guide-content .btn {
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    background-color: #fff;
    color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.guide-content .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.btn-white {
    background-color: #fff;
    color: var(--primary-color);
    border: 2px solid #fff;
}

.btn-white:hover {
    background-color: transparent;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式样式 */
@media (max-width: 991px) {
    .faq-categories {
        gap: 10px;
    }
    
    .faq-category {
        padding: 10px 18px;
        font-size: 14px;
    }
    
    .guide-content h2 {
        font-size: 32px;
    }
    
    .guide-content p {
        font-size: 16px;
    }
}

@media (max-width: 767px) {
    .faq-page {
        padding: 60px 0;
    }
    
    .faq-categories {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .faq-category {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .guide-icon {
        font-size: 50px;
    }
    
    .guide-content h2 {
        font-size: 28px;
    }
    
    .faq-contact-guide {
        padding: 70px 0;
    }
}