/* 法拉盛华人法律咨询服务中心 - 样式表 */

/* 变量定义 */
:root {
    --primary-color: #1a365d;
    --secondary-color: #c9a227;
    --accent-color: #2c5282;
    --text-color: #2d3748;
    --light-text: #718096;
    --white: #ffffff;
    --light-bg: #f7fafc;
    --dark-bg: #0f1f3a;
    --border-color: #e2e8f0;
    --success-color: #38a169;
    --warning-color: #d69e2e;
}

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "微软雅黑", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

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

/* 导航栏 */
.navbar {
    background: var(--primary-color);
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    text-decoration: none;
}

.logo-icon {
    font-size: 2rem;
    color: var(--secondary-color);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--white);
}

.logo-text span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s;
}

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

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.1rem;
}

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

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-bg) 100%);
    padding: 140px 20px 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    color: var(--white);
}

.tagline {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text h1 span {
    color: var(--secondary-color);
}

.hero-text > p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 35px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.9);
}

.hero-feature i {
    color: var(--secondary-color);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.3);
}

.hero-stats {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: 15px;
    padding: 25px 40px;
    display: flex;
    gap: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-number span {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--light-text);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #b8911f;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 162, 39, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

/* 通用区块样式 */
.section {
    padding: 80px 0;
}

.section-light {
    background: var(--light-bg);
}

.section-dark {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-bg));
    color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-header h2 span {
    color: var(--secondary-color);
}

.section-dark .section-header h2 {
    color: var(--white);
}

.section-header p {
    color: var(--light-text);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

/* 服务卡片 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

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

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

.service-card p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-card .btn {
    padding: 12px 25px;
    font-size: 0.9rem;
}

/* 关于我们区域 */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(201, 162, 39, 0.4);
}

.about-badge .number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
}

.about-badge .text {
    font-size: 0.9rem;
}

.about-text h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text h2 span {
    color: var(--secondary-color);
}

.about-text > p {
    color: var(--light-text);
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.about-feature {
    display: flex;
    gap: 15px;
}

.about-feature i {
    font-size: 2rem;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.about-feature h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

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

/* 优势区域 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 40px 25px;
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.advantage-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.advantage-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.advantage-item p {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 案例展示 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

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

.case-image {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 40px;
    text-align: center;
    position: relative;
}

.case-amount {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.case-tag {
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

.case-content {
    padding: 30px;
}

.case-content h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.case-content p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* CTA区域 */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color), #b8911f);
    padding: 80px 20px;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.cta-content p {
    color: var(--primary-color);
    opacity: 0.9;
    font-size: 1.1rem;
    margin-bottom: 30px;
}

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

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

.cta-section .btn-primary:hover {
    background: var(--dark-bg);
}

.cta-section .btn-secondary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.cta-section .btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* FAQ样式 */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.faq-question {
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
}

.faq-question:hover {
    background: var(--light-bg);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
}

.faq-question i {
    color: var(--secondary-color);
    transition: transform 0.3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 30px 25px;
}

.faq-answer p {
    color: var(--light-text);
    line-height: 1.8;
}

/* 页面标题区域 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-bg));
    padding: 150px 20px 80px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.page-header h1 span {
    color: var(--secondary-color);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    color: rgba(255,255,255,0.7);
}

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

/* 服务详情页 */
.service-detail {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--border-color);
}

.service-detail:nth-child(even) {
    grid-template-columns: 1fr 1.2fr;
}

.service-detail:nth-child(even) .service-detail-image {
    order: -1;
}

.service-detail:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

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

.service-detail-content h2 span {
    color: var(--secondary-color);
}

.service-detail-content p {
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-detail-content ul {
    margin: 20px 0 25px 20px;
    list-style: disc;
}

.service-detail-content li {
    color: var(--text-color);
    margin-bottom: 10px;
}

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

.service-detail-image img {
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.service-number {
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 6rem;
    font-weight: bold;
    color: var(--secondary-color);
    opacity: 0.2;
    line-height: 1;
}

/* 联系表单 */
.contact-form {
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.contact-form h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.2);
}

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

.contact-form .btn {
    width: 100%;
    justify-content: center;
    padding: 18px;
    font-size: 1.1rem;
}

/* 联系信息 */
.contact-info {
    padding: 50px;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 30px;
}

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

.contact-info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.contact-info-text h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

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

.contact-info-text a {
    color: var(--secondary-color);
    font-weight: 500;
}

.contact-info-text a:hover {
    text-decoration: underline;
}

/* 地图 */
.map-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    margin-top: 40px;
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* 页脚 */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding-top: 80px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-brand .logo {
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.footer-brand .logo span {
    color: var(--secondary-color);
}

.footer-brand > p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--white);
}

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

.footer-column ul li a {
    color: rgba(255,255,255,0.7);
    transition: color 0.3s;
}

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

.footer-column ul li i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 60px;
    padding: 30px 20px;
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

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

.footer-bottom a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        padding: 15px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .nav-phone {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

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

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-features {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-stats {
        position: static;
        transform: none;
        margin-top: 30px;
        flex-wrap: wrap;
        justify-content: center;
        gap: 25px;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

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

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

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

    .service-detail {
        grid-template-columns: 1fr;
    }

    .service-detail:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .service-detail:nth-child(even) .service-detail-image {
        order: 0;
    }

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

    .footer-social {
        justify-content: center;
    }

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

    .section-header h2 {
        font-size: 1.8rem;
    }
}

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}