/* 科技型中小企业认定 - 样式文件 */
/* 作者：AI助手 */
/* 创建日期：2026-03-02 */

/* ==================== CSS变量定义 ==================== */
:root {
    /* 主色调 - 科技蓝 */
    --primary-color: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;

    /* 辅助色 - 青色（科技、创新） */
    --secondary-color: #0891b2;
    --secondary-light: #06b6d4;
    --secondary-dark: #0e7490;

    /* 背景色 */
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-gray: #f1f5f9;
    --bg-gradient-start: #eff6ff;
    --bg-gradient-end: #e0f2fe;

    /* 文字颜色 */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-white: #ffffff;

    /* 强调色 */
    --accent-color: #1e40af;
    --accent-hover: #1e3a8a;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --success-color: #16a34a;
    --info-color: #0ea5e9;

    /* 边框颜色 */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-focus: #3b82f6;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-blue: 0 4px 14px 0 rgba(30, 64, 175, 0.15);

    /* 过渡动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 50%;

    /* 字体 */
    --font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;

    /* 容器宽度 */
    --container-max: 1200px;
}

/* ==================== 基础重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button, input, textarea {
    font-family: inherit;
    font-size: inherit;
}

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

/* ==================== 通用工具类 ==================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 40px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 40px; }

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--text-white);
    box-shadow: 0 4px 14px 0 rgba(8, 145, 178, 0.15);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 145, 178, 0.3);
}

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

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

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

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

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 18px;
}

/* ==================== 顶部导航栏 ==================== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    padding: 8px 0;
    font-size: 14px;
}

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

.header-top-left {
    display: flex;
    gap: 24px;
}

.header-top-right {
    display: flex;
    gap: 16px;
}

.header-top a {
    color: var(--text-white);
}

.header-top a:hover {
    opacity: 0.8;
}

.header-main {
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 48px;
    width: auto;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-light);
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-item {
    position: relative;
    padding: 8px 16px;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.nav-item:hover {
    background: var(--bg-gray);
    color: var(--primary-color);
}

.nav-item.active {
    background: var(--primary-color);
    color: var(--text-white);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-normal);
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.nav-dropdown-menu a:hover {
    background: var(--bg-gray);
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition-normal);
}

/* ==================== 页面横幅 ==================== */
.hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: var(--text-white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::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"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>') repeat;
    background-size: 100px 100px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== 面包屑导航 ==================== */
.breadcrumb {
    background: var(--bg-gray);
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-light);
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 8px;
    color: var(--text-light);
}

/* ==================== 区块通用样式 ==================== */
.section {
    padding: 80px 0;
}

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

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

.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-title p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-title .subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

/* ==================== 卡片样式 ==================== */
.card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 32px;
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--text-white);
    font-size: 28px;
}

.card-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

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

.card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.card-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
    .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .card-grid-4,
    .card-grid-3,
    .card-grid-2 {
        grid-template-columns: 1fr;
    }
}

/* ==================== 特色卡片 ==================== */
.feature-card {
    text-align: center;
    padding: 40px 24px;
}

.feature-card .card-icon {
    margin: 0 auto 20px;
    width: 80px;
    height: 80px;
    font-size: 36px;
}

/* ==================== 步骤流程 ==================== */
.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    flex-wrap: wrap;
    gap: 24px;
}

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

.process-step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 16px;
    position: relative;
    z-index: 1;
}

.process-step-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.process-step-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.process-line {
    position: absolute;
    top: 24px;
    left: 25%;
    right: 25%;
    height: 2px;
    background: var(--border-color);
}

@media (max-width: 768px) {
    .process-line {
        display: none;
    }
    .process-steps {
        flex-direction: column;
    }
}

/* ==================== 表格样式 ==================== */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table th,
.table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--primary-color);
    color: var(--text-white);
    font-weight: 600;
}

.table tr:hover {
    background: var(--bg-gray);
}

.table tr:last-child td {
    border-bottom: none;
}

/* ==================== 表单样式 ==================== */
.form-group {
    margin-bottom: 20px;
}

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: var(--transition-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
}

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

/* ==================== 列表样式 ==================== */
.list-check {
    list-style: none;
}

.list-check li {
    padding: 8px 0;
    padding-left: 32px;
    position: relative;
}

.list-check li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--primary-color);
}

.list-number {
    counter-reset: number;
}

.list-number li {
    padding: 16px 0;
    padding-left: 48px;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.list-number li::before {
    counter-increment: number;
    content: counter(number);
    position: absolute;
    left: 0;
    top: 16px;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* ==================== 侧边栏 ==================== */
.sidebar {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 24px;
    position: sticky;
    top: 100px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 8px;
}

.sidebar-menu a {
    display: block;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.sidebar-menu a:hover {
    background: var(--bg-gray);
    color: var(--primary-color);
}

.sidebar-menu a.active {
    background: var(--primary-color);
    color: var(--text-white);
}

/* ==================== 内容布局 ==================== */
.content-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 32px;
    padding: 40px 0;
}

@media (max-width: 992px) {
    .content-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: static;
    }
}

.content-main {
    min-height: 400px;
}

.content-title {
    font-size: 32px;
    margin-bottom: 24px;
    color: var(--text-primary);
}

/* ==================== FAQ 折叠面板 ==================== */
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    background: var(--bg-white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: var(--transition-normal);
}

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

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

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
    background: var(--bg-gray);
}

.faq-answer.active {
    padding: 20px;
    max-height: 500px;
}

/* ==================== 底部区域 ==================== */
.footer {
    background: #1a1a2e;
    color: #d1d1d1;
    padding: 60px 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 40px;
}

@media (max-width: 992px) {
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-main {
        grid-template-columns: 1fr;
    }
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #d1d1d1;
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    background: #16162a;
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
}

.footer-contact p {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact i {
    color: var(--primary-light);
}

/* ==================== 响应式导航 ==================== */
@media (max-width: 992px) {
    .nav {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero h1 {
        font-size: 36px;
    }
    .section-title h2 {
        font-size: 28px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 28px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .section {
        padding: 40px 0;
    }
    .card {
        padding: 24px;
    }
}

/* ==================== 动画效果 ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.fade-in-delay-1 {
    animation-delay: 0.1s;
    opacity: 0;
}

.fade-in-delay-2 {
    animation-delay: 0.2s;
    opacity: 0;
}

.fade-in-delay-3 {
    animation-delay: 0.3s;
    opacity: 0;
}

.fade-in-delay-4 {
    animation-delay: 0.4s;
    opacity: 0;
}

/* ==================== 标签和徽章 ==================== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
    background: var(--bg-gray);
    color: var(--text-secondary);
}

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

.badge-success {
    background: var(--success-color);
    color: var(--text-white);
}

.badge-warning {
    background: var(--warning-color);
    color: var(--text-white);
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.pagination a:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.pagination span.current {
    background: var(--primary-color);
    color: var(--text-white);
}

/* ==================== 浮窗联系方式 ==================== */
.float-contact {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.float-contact-item {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.float-contact-item:hover {
    transform: scale(1.1);
}

.float-contact-item.wechat {
    background: #07c160;
}

.float-contact-item.phone {
    background: var(--primary-color);
}

.float-contact-item.qq {
    background: #12b7f5;
}

/* ==================== 统计数字 ==================== */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 40px 0;
}

@media (max-width: 768px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ==================== 评价卡片 ==================== */
.testimonial-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-size: 120px;
    color: var(--primary-color);
    opacity: 0.1;
    position: absolute;
    top: 0;
    left: 20px;
    line-height: 1;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--primary-color);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.testimonial-info h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.testimonial-info p {
    font-size: 14px;
    color: var(--text-light);
}

/* ==================== 价格卡片 ==================== */
.price-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.price-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.price-card.featured {
    border-color: var(--primary-color);
    position: relative;
}

.price-card.featured .badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--text-white);
    padding: 6px 16px;
}

.price-card-header {
    margin-bottom: 24px;
}

.price-card-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.price-card-price {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
}

.price-card-price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-light);
}

.price-card-features {
    list-style: none;
    margin-bottom: 32px;
}

.price-card-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.price-card-features li:last-child {
    border-bottom: none;
}

/* ==================== 文章详情页 ==================== */
.article-content {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.article-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.article-title {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    gap: 24px;
    color: var(--text-light);
    font-size: 14px;
}

.article-body {
    line-height: 1.8;
    color: var(--text-secondary);
}

.article-body h2 {
    font-size: 24px;
    margin: 32px 0 16px;
    color: var(--text-primary);
}

.article-body h3 {
    font-size: 20px;
    margin: 24px 0 12px;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body a {
    color: var(--primary-color);
}

.article-body a:hover {
    text-decoration: underline;
}

/* ==================== 地区列表 ==================== */
.district-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.district-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.district-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.district-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.district-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.district-card .btn {
    width: 100%;
}

/* ==================== 进度条 ==================== */
.progress-bar {
    height: 8px;
    background: var(--bg-gray);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

/* ==================== 时间线 ==================== */
.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 32px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 4px;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    border: 3px solid var(--bg-white);
}

.timeline-date {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content {
    color: var(--text-secondary);
}

/* ==================== 科技风格元素 ==================== */
.tech-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin-bottom: 16px;
}

.tech-card {
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(30, 64, 175, 0.15);
    border-color: #3b82f6;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.tech-tag {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-right: 8px;
    margin-bottom: 8px;
}

.tech-list {
    list-style: none;
}

.tech-list li {
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.tech-list li:last-child {
    border-bottom: none;
}

.tech-list li i {
    color: #1e40af;
    font-size: 16px;
}

/* ==================== 内容页特定样式 ==================== */
.content-page {
    padding: 40px 0;
    background: linear-gradient(135deg, #eff6ff, #e0f2fe);
    min-height: calc(100vh - 200px);
}

.content-container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.content-header {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: white;
    padding: 48px;
    text-align: center;
}

.content-header h1 {
    font-size: 36px;
    margin-bottom: 16px;
}

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

.content-body {
    padding: 48px;
}

.content-section {
    margin-bottom: 40px;
}

.content-section h2 {
    font-size: 24px;
    color: #1e40af;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e2e8f0;
}

.content-section h3 {
    font-size: 20px;
    color: #1e3a8a;
    margin: 24px 0 12px;
}

.content-section p {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 16px;
}

.content-section ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.content-section li {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 8px;
    list-style: disc;
}

/* ==================== 表格样式增强 ==================== */
.content-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.content-table th {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: white;
    padding: 16px;
    text-align: left;
    font-weight: 600;
}

.content-table td {
    padding: 14px 16px;
    border-bottom: 1px solid #e2e8f0;
    color: #475569;
}

.content-table tr:hover {
    background: #f8fafc;
}

.content-table tr:last-child td {
    border-bottom: none;
}

/* ==================== 提示框 ==================== */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin: 20px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
}

.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.alert-warning {
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
}

.alert-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.alert i {
    font-size: 20px;
    margin-top: 2px;
}

/* ==================== 下载按钮 ==================== */
.download-box {
    background: linear-gradient(135deg, #eff6ff, #e0f2fe);
    border: 2px dashed #3b82f6;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    margin: 32px 0;
}

.download-box h3 {
    color: #1e40af;
    margin-bottom: 12px;
}

.download-box p {
    color: #64748b;
    margin-bottom: 20px;
}