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

:root {
    --primary-color: #1E3A5F;
    --primary-light: #2C4A6E;
    --accent: #C23B22;
    --white: #FFFFFF;
    --bg-gray: #F5F7FA;
    --text-color: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --border-color: #E5E7EB;
    --success-color: #2E7D32;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

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

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

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

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

header {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
    object-fit: contain;
}

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

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

main {
    margin-top: 80px;
}

.hero {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 20px;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.hero .btn-primary:hover {
    background-color: var(--bg-gray);
}

.hero .btn-secondary {
    border-color: var(--white);
    color: var(--white);
}

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

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.value-card {
    background-color: var(--bg-gray);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 1rem;
}

.value-card h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.service-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.service-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: var(--accent);
}

.service-card h3 {
    color: var(--primary-color);
    font-size: 22px;
}

.comparison {
    background-color: var(--bg-gray);
    padding: 80px 0;
}

.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.comparison-column {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
}

.comparison-column h3 {
    text-align: center;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.comparison-column.traditional h3 {
    color: var(--text-medium);
}

.comparison-column.our-way h3 {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.comparison-column ul {
    line-height: 2;
}

.comparison-column li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.comparison-column.traditional li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.comparison-column.our-way li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
}

.partners {
    text-align: center;
    padding: 40px 0;
    background-color: var(--white);
}

.partners p {
    color: var(--text-medium);
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.cta-section {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 80px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 1.5rem;
}

footer {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 2rem 0;
    text-align: center;
}

footer p {
    margin: 0;
    opacity: 0.9;
}

.page-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
}

.service-detail {
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.service-detail h2 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 1.5rem;
}

.service-detail ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.service-detail li {
    margin-bottom: 0.5rem;
    list-style: disc;
}

.service-meta {
    display: flex;
    gap: 2rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.service-meta-item {
    background-color: var(--bg-gray);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 14px;
}

.service-meta-item strong {
    color: var(--primary-color);
}

.regional-service {
    background-color: var(--bg-gray);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.regional-service h3 {
    color: var(--primary-color);
}

.regional-locations {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.regional-location {
    background-color: var(--white);
    padding: 1rem 2rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.regional-location:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.about-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-section {
    margin: 3rem 0;
    padding: 2rem;
    background-color: var(--bg-gray);
    border-radius: 8px;
}

.about-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.principle-item {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.case-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.case-card h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 1.5rem;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.case-item {
    background-color: var(--bg-gray);
    padding: 1rem;
    border-radius: 4px;
}

.case-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background-color: var(--white);
    color: var(--text-color);
}

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

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.contact-item {
    background-color: var(--bg-gray);
    padding: 1.5rem;
    border-radius: 8px;
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 20px;
}

.regional-contact {
    background-color: var(--bg-gray);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 3rem;
}

.regional-contact h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.regional-list {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.regional-list-item {
    flex: 1;
    min-width: 200px;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

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

    .nav-links a {
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }

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

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 18px;
    }

    .section-title {
        font-size: 28px;
    }

    .comparison-table {
        grid-template-columns: 1fr;
    }

    .service-meta {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

.finance-highlight {
    background-color: var(--bg-gray);
    padding: 80px 0;
}

.finance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.finance-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.finance-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.finance-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: 1rem;
}

.finance-card h3 {
    color: var(--primary-color);
    font-size: 24px;
    text-align: center;
    margin-bottom: 1rem;
}

.finance-card p {
    text-align: center;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
}

.finance-features {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

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

.finance-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color, #28a745);
    font-weight: bold;
}

.finance-cta {
    text-align: center;
    padding: 2rem;
    background-color: var(--primary-color);
    border-radius: 8px;
    color: var(--white);
}

.finance-cta p {
    font-size: 18px;
    margin-bottom: 1.5rem;
    color: var(--white);
}

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

.finance-cta .btn-primary:hover {
    background-color: var(--bg-gray);
}

.finance-intro {
    padding: 60px 0;
    background-color: var(--white);
}

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

    .hero {
        padding: 60px 0;
    }

    .hero h1 {
        font-size: 28px;
    }

    section {
        padding: 60px 0;
    }

    .values-grid,
    .services-grid,
    .finance-grid {
        grid-template-columns: 1fr;
    }
    
    .finance-highlight {
        padding: 60px 0;
    }
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 400px;
    width: 90%;
    text-align: center;
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 24px;
}

.modal-content p {
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.6;
}

.modal-content .countdown {
    color: var(--text-medium);
    font-size: 14px;
    margin-top: 15px;
}

.modal-content .countdown span {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 18px;
}

.modal-content button {
    margin-top: 20px;
    min-width: 120px;
}

/* 平板设备适配 (iPad等) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        font-size: 14px;
        padding: 0.5rem 0.8rem;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 20px;
    }
    
    .values-grid,
    .services-grid,
    .finance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparison-table {
        grid-template-columns: repeat(2, 1fr);
    }
    
    section {
        padding: 80px 0;
    }
}

/* 优化手机端样式 */
@media (max-width: 768px) {
    /* 导航栏优化 */
    header {
        padding: 1rem 0;
    }
    
    .logo {
        font-size: 20px;
    }
    
    .logo img {
        height: 30px !important;
    }
    
    /* 英雄区域优化 */
    .hero {
        padding: 80px 0;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 28px;
        line-height: 1.3;
    }
    
    .hero p {
        font-size: 16px;
        line-height: 1.6;
    }
    
    /* 按钮优化 */
    .btn {
        padding: 12px 24px;
        font-size: 16px;
    }
    
    .hero-buttons {
        gap: 1rem;
    }
    
    /* 区块优化 */
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 24px;
        margin-bottom: 2rem;
    }
    
    /* 卡片网格优化 */
    .values-grid,
    .services-grid,
    .finance-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* 服务卡片优化 */
    .service-card,
    .finance-card {
        padding: 1.5rem;
    }
    
    .service-card h3,
    .finance-card h3 {
        font-size: 20px;
    }
    
    /* 对比表格优化 */
    .comparison-table {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-item {
        padding: 1.5rem;
    }
    
    /* CTA区域优化 */
    .cta-section {
        padding: 60px 0;
    }
    
    .cta-section h2 {
        font-size: 24px;
        margin-bottom: 1.5rem;
    }
    
    /* 页脚优化 */
    footer {
        padding: 2rem 0;
    }
    
    footer p {
        font-size: 14px;
    }
    
    /* 表单优化 */
    .contact-form input,
    .contact-form textarea {
        font-size: 16px;
    }
    
    /* 模态框优化 */
    .modal-content {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .modal-content h3 {
        font-size: 20px;
    }
    
    /* 关于我们页面优化 */
    .about-content {
        padding: 1.5rem;
    }
    
    .about-content h2 {
        font-size: 24px;
    }
    
    .about-content p {
        font-size: 16px;
        line-height: 1.8;
    }
    
    .about-section {
        padding: 1.5rem;
        margin: 1.5rem 0;
        overflow-x: hidden;
    }
    
    .about-section h3 {
        font-size: 20px;
    }
    
    .about-intro .about-content {
        padding: 0;
    }
    
    .about-intro ul {
        padding-left: 1.5rem;
    }
    
    .principles {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .principle-item {
        padding: 1rem;
    }
    
    /* 服务详情页面优化 */
    .service-detail {
        padding: 60px 0;
    }
    
    .service-detail h2 {
        font-size: 24px;
    }
    
    .service-detail p {
        font-size: 16px;
    }
    
    /* 案例页面优化 */
    .case-card {
        padding: 1.5rem;
    }
    
    .case-card h3 {
        font-size: 20px;
    }
}

/* 超小屏幕手机优化 */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .hero p {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    /* 文字大小优化 */
    p, li {
        font-size: 14px;
    }
    
    h2 {
        font-size: 22px;
    }
    
    h3 {
        font-size: 18px;
    }
}

/* 横屏手机优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 40px 0;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .hero p {
        font-size: 14px;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }
    
    .service-card:hover,
    .finance-card:hover {
        transform: none;
    }
    
    /* 增加点击区域 */
    .nav-links a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .btn {
        min-height: 44px;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    img {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* 企业微信二维码样式 */
.wechat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.wechat-text {
    flex: 1;
}

.wechat-qrcode {
    flex-shrink: 0;
    margin-left: 1.5rem;
}

.wechat-qrcode img {
    max-width: 120px;
    height: auto;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    padding: 5px;
}

/* 打印样式 */
@media print {
    .mobile-menu-btn,
    .modal {
        display: none !important;
    }
    
    header, footer {
        position: static;
    }
}