/* 大额个体户核定征收园区 - 主样式文件 */
/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 字体设置 */
body {
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "STHeiti", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    background-color: #f5f7fa;
}

/* 链接样式 */
a {
    text-decoration: none;
    color: #2563eb;
    transition: all 0.3s ease;
}

a:hover {
    color: #1d4ed8;
}

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

/* 头部样式 */
.header {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.4;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1e3a5f;
    font-size: 24px;
}

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

.nav a {
    color: #fff;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav a:hover {
    background: rgba(255,255,255,0.2);
}

/* 移动端导航 */
.mobile-menu-btn {
    display: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}

/* 横幅区域 */
.hero {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 50%, #3d7ab5 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero .btn {
    display: inline-block;
    padding: 15px 40px;
    background: #f59e0b;
    color: #fff;
    font-size: 18px;
    border-radius: 50px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(245,158,11,0.4);
    transition: all 0.3s ease;
}

.hero .btn:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245,158,11,0.5);
}

/* 特色优势区块 */
.features {
    padding: 80px 0;
    background: #fff;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    color: #1e3a5f;
    margin-bottom: 50px;
}

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

.feature-card {
    padding: 40px 30px;
    background: #f8fafc;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: #fff;
}

.feature-card h3 {
    font-size: 22px;
    color: #1e3a5f;
    margin-bottom: 15px;
}

.feature-card p {
    color: #64748b;
    font-size: 15px;
}

/* 服务介绍 */
.services {
    padding: 80px 0;
    background: #f5f7fa;
}

.services h2 {
    text-align: center;
    font-size: 36px;
    color: #1e3a5f;
    margin-bottom: 50px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.service-image {
    height: 200px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: #fff;
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    font-size: 22px;
    color: #1e3a5f;
    margin-bottom: 15px;
}

.service-content p {
    color: #64748b;
    margin-bottom: 20px;
}

.service-content a {
    color: #f59e0b;
    font-weight: bold;
}

/* 统计数据 */
.stats {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    padding: 60px 0;
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 48px;
    font-weight: 700;
    color: #f59e0b;
}

.stat-item p {
    font-size: 18px;
    opacity: 0.9;
}

/* 流程步骤 */
.process {
    padding: 80px 0;
    background: #fff;
}

.process h2 {
    text-align: center;
    font-size: 36px;
    color: #1e3a5f;
    margin-bottom: 50px;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.process-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    font-weight: bold;
    color: #fff;
}

.process-step h3 {
    font-size: 20px;
    color: #1e3a5f;
    margin-bottom: 10px;
}

.process-step p {
    color: #64748b;
    font-size: 14px;
}

/* CTA区域 */
.cta {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    padding: 60px 0;
    text-align: center;
    color: #fff;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta .btn {
    display: inline-block;
    padding: 15px 50px;
    background: #fff;
    color: #d97706;
    font-size: 18px;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.cta .btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* 页脚 */
.footer {
    background: #1e3a5f;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #f59e0b;
}

.footer ul {
    list-style: none;
}

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

.footer a {
    color: rgba(255,255,255,0.8);
    transition: all 0.3s ease;
}

.footer a:hover {
    color: #f59e0b;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* 面包屑 */
.breadcrumb {
    background: #f1f5f9;
    padding: 15px 0;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb a {
    color: #64748b;
}

.breadcrumb span {
    color: #94a3b8;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    padding: 60px 0;
    color: #fff;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* 内容区块 */
.content-section {
    padding: 60px 0;
}

.content-section h2 {
    font-size: 32px;
    color: #1e3a5f;
    margin-bottom: 30px;
    text-align: center;
}

.content-section h3 {
    font-size: 24px;
    color: #1e3a5f;
    margin: 40px 0 20px;
}

.content-section p {
    margin-bottom: 20px;
    color: #475569;
}

.content-section ul {
    margin: 20px 0;
    padding-left: 20px;
}

.content-section li {
    margin-bottom: 10px;
    color: #475569;
}

/* 白色纸卡片双列布局 */
.whitepaper-section {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
    margin: 30px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

th {
    background: #1e3a5f;
    color: #fff;
    font-weight: bold;
}

tr:hover {
    background: #f8fafc;
}

/* 问答样式 */
.faq-item {
    background: #fff;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 20px;
    background: #f8fafc;
    font-weight: bold;
    font-size: 18px;
    color: #1e3a5f;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 20px;
    display: none;
    color: #475569;
}

.faq-item.active .faq-answer {
    display: block;
}

/* 城市列表 */
.city-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.city-card {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.city-card:hover {
    transform: translateY(-5px);
    border-color: #f59e0b;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.city-card h3 {
    font-size: 20px;
    color: #1e3a5f;
    margin-bottom: 10px;
}

.city-card a {
    color: #f59e0b;
    font-weight: bold;
}

/* 文章卡片 */
.article-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.article-card .image {
    height: 200px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    color: #fff;
}

.article-card .content {
    padding: 25px;
}

.article-card h3 {
    font-size: 20px;
    color: #1e3a5f;
    margin-bottom: 10px;
}

.article-card p {
    color: #64748b;
    font-size: 14px;
}

/* 白皮书样式 */
.whitepaper-toc {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.whitepaper-toc h2 {
    font-size: 28px;
    color: #1e3a5f;
    margin-bottom: 20px;
    text-align: left;
}

.whitepaper-toc ul {
    list-style: none;
}

.whitepaper-toc li {
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

.whitepaper-toc li:last-child {
    border-bottom: none;
}

.whitepaper-toc a {
    color: #475569;
    font-size: 16px;
    display: block;
    transition: all 0.3s ease;
}

.whitepaper-toc a:hover {
    color: #f59e0b;
    padding-left: 10px;
}

.whitepaper-section {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.whitepaper-section h2 {
    font-size: 28px;
    color: #1e3a5f;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #f59e0b;
}

.whitepaper-section h3 {
    font-size: 22px;
    color: #1e3a5f;
    margin: 30px 0 15px;
}

.whitepaper-section p {
    color: #475569;
    margin-bottom: 15px;
    line-height: 1.9;
}

.whitepaper-section ul {
    margin: 20px 0;
    padding-left: 20px;
}

.whitepaper-section li {
    margin-bottom: 12px;
    color: #475569;
}

/* 联系表单 */
.contact-form {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.contact-form h3 {
    font-size: 24px;
    color: #1e3a5f;
    margin-bottom: 30px;
    text-align: center;
}

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

.form-item label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
    color: #1e3a5f;
}

.form-item input,
.form-item textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-item input:focus,
.form-item textarea:focus {
    outline: none;
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245,158,11,0.1);
}

.form-item textarea {
    resize: vertical;
}

.contact-form button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(245,158,11,0.4);
}

.tips {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    display: none;
}

.tips.success {
    background: #d1fae5;
    color: #065f46;
    display: block;
}

.tips.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

/* 价格表格 */
.price-table {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin: 30px 0;
}

.price-table table {
    box-shadow: none;
}

.price-table th {
    background: #1e3a5f;
}

.price-table .highlight {
    background: #fef3c7;
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

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

    .hero p {
        font-size: 16px;
    }

    .features h2,
    .services h2,
    .process h2,
    .cta h2 {
        font-size: 28px;
    }

    .process-steps {
        flex-direction: column;
    }

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

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

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 26px;
    }

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

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