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

:root {
    --primary-color: #2A5D89; /* 礁石蓝色 */
    --secondary-color: #F5F1ED; /* 晨雾白色 */
    --accent-color: #4A90E2;
    --primary-light: #3A6D99;
    --primary-dark: #1A4D79;
    --secondary-light: #F8F5F2;
    --secondary-dark: #E8E1DC;
    --text-dark: #1A1A1A;
    --text-light: #666666;
    --text-muted: #999999;
    --white: #FFFFFF;
    --black: #000000;
    --shadow: 0 8px 32px rgba(42, 93, 137, 0.08);
    --shadow-hover: 0 16px 48px rgba(42, 93, 137, 0.12);
    --shadow-light: 0 4px 16px rgba(42, 93, 137, 0.06);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --border-radius: 16px;
    --border-radius-large: 24px;
    --border-radius-small: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

/* 导航栏样式 - Apple风格 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    padding: 1.25rem 0;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border-bottom: 1px solid rgba(245, 241, 237, 0.3);
}

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

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

.logo-placeholder {
    width: 140px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.company-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition-fast);
}

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

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* 轮播图样式 - Vogue风格 */
.hero-section {
    margin-top: 80px;
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

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

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
    max-width: 800px;
    width: 90%;
}

.carousel-content h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 300;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.carousel-content p {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: 2.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    font-weight: 300;
    opacity: 0.95;
    line-height: 1.4;
}

.cta-button {
    display: inline-block;
    padding: 1.25rem 3rem;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(42, 93, 137, 0.2);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    font-size: 2rem;
    padding: 1rem;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
    z-index: 3;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.carousel-btn.prev {
    left: 20px;
}

.carousel-btn.next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active,
.dot:hover {
    background: var(--white);
}

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们部分 */
.about-section {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-light);
    font-weight: 500;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

/* 服务项目部分 */
.services-section {
    padding: 6rem 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(245, 241, 237, 0.5);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(42, 93, 137, 0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* 联系我们部分 */
.contact-section {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-dark);
    font-size: 1.1rem;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--secondary-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* 页面标题样式 - 高级时尚感 */
.page-header {
    margin-top: 80px;
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 50%, var(--primary-color) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

.header-logo {
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.page-logo {
    width: 140px;
    height: 44px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: var(--transition);
}

.page-logo:hover {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 4px 12px rgba(255, 255, 255, 0.3));
}

.page-header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 300;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    position: relative;
    z-index: 2;
}

.page-header p {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    opacity: 0.95;
    font-weight: 300;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

/* 关于我们页面样式 */
.company-intro {
    padding: 6rem 0;
    background: var(--white);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.intro-text p {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.intro-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

/* 使命愿景样式 */
.mission-vision {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.mission-card,
.vision-card,
.values-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.mission-card:hover,
.vision-card:hover,
.values-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(42, 93, 137, 0.15);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.mission-card h3,
.vision-card h3,
.values-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.mission-card p,
.vision-card p,
.values-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 发展历程样式 */
.timeline-section {
    padding: 6rem 0;
    background: var(--white);
}

.timeline-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

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

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

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

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

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

.timeline-date {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.timeline-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    width: 45%;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

/* 新闻传播样式 */
.news-section {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.news-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-item {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(245, 241, 237, 0.3);
    position: relative;
    overflow: hidden;
}

.news-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.news-item:hover::after {
    transform: scaleX(1);
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(42, 93, 137, 0.15);
}

.news-logo {
    width: 120px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-color);
    border-radius: 10px;
    padding: 1rem;
}

.news-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.news-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.news-desc {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.news-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}

.news-link:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* 统计部分样式 */
.stats-section {
    padding: 6rem 0;
    background: var(--white);
}

.stats-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stats-grid .stat-item {
    text-align: center;
    padding: 2rem;
}

.stats-grid .stat-item h3 {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stats-grid .stat-item p {
    color: var(--text-light);
    font-weight: 500;
}

/* 服务概览样式 */
.services-overview {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.overview-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.overview-text p {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.overview-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

/* 核心服务样式 */
.core-services {
    padding: 6rem 0;
    background: var(--white);
}

.core-services h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

.service-card.large {
    padding: 3rem 2rem;
}

.service-features {
    list-style: none;
    margin-top: 1.5rem;
    text-align: left;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

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

/* 专业领域样式 */
.expertise-areas {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.expertise-areas h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.expertise-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.expertise-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(42, 93, 137, 0.15);
}

.expertise-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.expertise-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* 服务流程样式 */
.service-process {
    padding: 6rem 0;
    background: var(--white);
}

.service-process h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.process-step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 成功案例样式 */
.success-cases {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.success-cases h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.case-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(42, 93, 137, 0.15);
}

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

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

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

.case-content {
    padding: 2rem;
}

.case-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.case-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.case-results {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.result-item {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 联系我们CTA样式 */
.contact-cta {
    padding: 6rem 0;
    background: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 联系概览样式 */
.contact-overview {
    padding: 6rem 0;
    background: var(--white);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.overview-item {
    text-align: center;
    padding: 2rem;
    background: var(--secondary-color);
    border-radius: 15px;
    transition: var(--transition);
}

.overview-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.overview-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.overview-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* 联系详情样式 */
.contact-details {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.details-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.details-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.details-text p {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.contact-methods {
    display: grid;
    gap: 1.5rem;
}

.method-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

.details-video {
    width: 100%;
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--secondary-light);
}

.video-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-color) 0%, var(--accent-color) 100%);
    opacity: 0.1;
    z-index: 1;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
    z-index: 2;
}

/* 联系表单样式 */
.contact-form-section {
    padding: 6rem 0;
    background: var(--white);
}

.form-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.form-info h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.form-info p {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.form-tips {
    background: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 10px;
}

.form-tips h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.form-tips ul {
    list-style: none;
}

.form-tips li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    position: relative;
    padding-left: 1.5rem;
}

.form-tips li::before {
    content: '💡';
    position: absolute;
    left: 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--secondary-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.2rem;
}

/* 地图部分样式 */
.map-section {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.map-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

.map-container {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-placeholder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.map-info {
    padding: 3rem;
}

.map-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.map-info p {
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.map-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.map-btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}

.map-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.map-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* FAQ样式 */
.faq-section {
    padding: 6rem 0;
    background: var(--white);
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 700;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--secondary-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--secondary-color);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--primary-color);
    color: var(--white);
}

.faq-question h4 {
    margin: 0;
    font-weight: 600;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 1.5rem;
    margin: 0;
    color: var(--text-light);
    line-height: 1.6;
}

/* 页脚样式 */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

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

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(245, 241, 237, 0.2);
    color: var(--secondary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

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

    .carousel-content p {
        font-size: 1.2rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .company-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .stat-item h4 {
        font-size: 2rem;
    }

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

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

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

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

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

    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .company-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}
