/* 全局样式 */
:root {
    --primary-color: #0a3d62;
    --secondary-color: #b8860b;
    --accent-color: #3c6382;
    --light-color: #f5f6fa;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #777;
    --border-color: #ddd;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

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

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-header .underline {
    height: 3px;
    width: 80px;
    background-color: var(--secondary-color);
    margin: 0 auto 20px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

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

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

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

.btn-light:hover {
    background-color: var(--light-color);
}

.btn-text {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.btn-text i {
    margin-left: 5px;
    transition: var(--transition);
}

.btn-text:hover {
    color: var(--secondary-color);
}

.btn-text:hover i {
    transform: translateX(5px);
}

/* 头部样式 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    padding: 15px 0;
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    background-color: #fff;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
}

.logo .tagline {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary-color);
}

/* 语言切换按钮样式 */
.language-switch {
    display: flex;
    align-items: center;
    margin-right: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.language-switch a {
    color: var(--text-color);
    transition: var(--transition);
}

.language-switch a:hover {
    color: var(--primary-color);
}

.language-switch .active {
    color: var(--primary-color);
    font-weight: 600;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    min-height: 600px;
    background-image: url('../images/banner_image.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    color: #fff;
}

.hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 61, 98, 0.7);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* 关于我们样式 */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.values {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 20px;
    flex: 1;
}

.value-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.value-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.value-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 服务样式 */
.services {
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: rgba(10, 61, 98, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

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

.service-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

/* CTA样式 */
.cta {
    background-color: var(--primary-color);
    color: #fff;
    text-align: center;
    padding: 60px 0;
}

.cta h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.8);
}

/* 团队样式 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.team-member {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.member-image {
    height: 250px;
    overflow: hidden;
}

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

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

.member-info {
    padding: 20px;
}

.member-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--primary-color);
}

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

.member-info .bio {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.team-cta {
    text-align: center;
    margin-top: 40px;
}

/* 客户评价样式 */
.testimonials {
    background-color: var(--light-color);
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    margin: 20px;
    display: none;
}

.testimonial.active {
    display: block;
}

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

.quote i.fa-quote-left {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 1.5rem;
    color: var(--secondary-color);
    opacity: 0.3;
}

.quote i.fa-quote-right {
    position: absolute;
    bottom: 0;
    right: 0;
    font-size: 1.5rem;
    color: var(--secondary-color);
    opacity: 0.3;
}

.quote p {
    font-style: italic;
    color: var(--text-light);
    line-height: 1.8;
    padding: 0 30px;
}

.client-info {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

.client-info img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
}

.client-info h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.client-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}

.slider-controls button {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 10px;
    transition: var(--transition);
}

.slider-controls button:hover {
    color: var(--secondary-color);
}

.dots {
    display: flex;
    gap: 10px;
    margin: 0 20px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ccc;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary-color);
}

/* 联系我们样式 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

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

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
    margin-top: 5px;
}

.info-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.info-item p {
    color: var(--text-light);
}

.contact-info .social-links {
    margin-top: 30px;
}

.contact-form form {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    color: var(--text-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(10, 61, 98, 0.1);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* 页脚样式 */
footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 50px;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom-links a:hover {
    color: var(--secondary-color);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .values {
        flex-wrap: wrap;
    }
    
    .value-item {
        flex: 0 0 50%;
        margin-bottom: 30px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .footer-column {
        flex: 0 0 calc(50% - 15px);
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .language-switch {
        margin-right: 10px;
        font-size: 0.8rem;
    }
    
    nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: #fff;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        padding: 80px 20px 20px;
        transition: var(--transition);
        z-index: 999;
    }
    
    nav.active {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
    }
    
    nav ul li {
        margin: 0 0 20px 0;
    }
    
    .close-menu {
        position: absolute;
        top: 20px;
        right: 20px;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--primary-color);
    }
    
    .hero {
        height: auto;
        padding: 150px 0 100px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .value-item {
        flex: 0 0 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .footer-column {
        flex: 0 0 100%;
    }
}