/* ============================================
   CSS 重置和基础样式
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --accent-color: #8b5cf6;
    
    /* 文本颜色 */
    --text-color: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --text-white: #ffffff;
    
    /* 背景颜色 */
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-lighter: #f3f4f6;
    --bg-dark: #111827;
    
    /* 边框和阴影 */
    --border-color: #e5e7eb;
    --border-radius: 8px;
    --shadow-sm: 0 1px 2px 0 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);
    
    /* 过渡效果 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section {
    padding: 80px 0;
}

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

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

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    font-size: 1rem;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ============================================
   导航栏样式
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    padding: 8px 0;
    position: relative;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 5px;
}

/* ============================================
   首页样式
   ============================================ */

/* 主横幅 */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-10deg);
    transition: transform var(--transition-normal);
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 特色服务 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background-color: var(--primary-light);
    border-radius: 50%;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: auto;
}

.feature-link:hover {
    gap: 10px;
}

/* 语言预览 */
.languages-preview {
    background-color: var(--bg-light);
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.language-item {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 1.5rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.language-flag {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.5rem;
}

.language-item h4 {
    font-size: 1rem;
    margin-bottom: 0;
}

/* 客户评价 */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
}

.testimonial-content {
    margin-bottom: 1.5rem;
    font-style: italic;
    color: var(--text-light);
    position: relative;
}

.testimonial-content::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-light);
    position: absolute;
    top: -20px;
    left: -10px;
    opacity: 0.5;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.author-info p {
    margin-bottom: 0;
    color: var(--text-lighter);
    font-size: 0.875rem;
}

/* 行动号召 */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 100px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   关于我们页面样式
   ============================================ */

/* 页面横幅 */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 100px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 关于内容 */
.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 4rem;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 核心价值观 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

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

.value-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: var(--primary-light);
    border-radius: 50%;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* 团队介绍 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-10px);
}

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

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

.team-member:hover .member-image img {
    transform: scale(1.05);
}

.member-info {
    padding: 1.5rem;
}

.member-info h3 {
    margin-bottom: 0.25rem;
    font-size: 1.5rem;
}

.member-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

/* 公司成就 */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.achievement-item {
    text-align: center;
    padding: 2rem 1rem;
}

.achievement-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.achievement-text {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* ============================================
   翻译服务页面样式
   ============================================ */

/* 服务介绍 */
.service-intro {
    text-align: center;
    margin-bottom: 4rem;
}

/* 服务详情 */
.service-detail {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 6rem;
}

.service-reverse {
    flex-direction: row-reverse;
}

.service-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-image img {
    width: 100%;
    height: auto;
    display: block;
}

.service-content {
    flex: 1;
    position: relative;
}

.service-badge {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--text-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.service-content p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.service-features {
    list-style: none;
    padding-left: 0;
    margin-bottom: 2rem;
}

.service-features li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.service-features i {
    color: var(--secondary-color);
    margin-top: 3px;
    flex-shrink: 0;
}

/* 服务流程 */
.service-process {
    margin-top: 2rem;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
}

.step {
    text-align: center;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    font-weight: 700;
    margin-bottom: 0.5rem;
    border: 4px solid var(--bg-white);
}

.step p {
    margin-bottom: 0;
    font-size: 0.875rem;
    font-weight: 600;
}

/* 服务优势 */
.service-benefits {
    margin-top: 2rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.benefit {
    text-align: center;
    padding: 1.5rem 1rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
}

.benefit i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    display: block;
}

.benefit p {
    margin-bottom: 0;
    font-weight: 600;
}

/* 口译类型 */
.interpretation-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.type-card {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.type-card h5 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.type-card p {
    margin-bottom: 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* 专业领域标签 */
.interpretation-areas {
    margin-top: 2rem;
}

.area-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* 认证流程 */
.certification-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.cert-step {
    text-align: center;
    padding: 1.5rem 1rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
}

.cert-step i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    display: block;
}

.cert-step h5 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.cert-step p {
    margin-bottom: 0;
    font-size: 0.75rem;
    color: var(--text-light);
}

/* 其他服务 */
.other-services {
    margin-top: 6rem;
    text-align: center;
}

.other-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.other-service {
    padding: 2rem 1.5rem;
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.other-service:hover {
    transform: translateY(-5px);
}

.other-service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background-color: var(--primary-light);
    border-radius: 50%;
}

.other-service h4 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.other-service p {
    margin-bottom: 0;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* 行业解决方案 */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.industry-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

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

.industry-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background-color: var(--primary-light);
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
}

.industry-card h4 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.industry-card p {
    margin-bottom: 0;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ============================================
   支持语言页面样式
   ============================================ */

.languages-section {
    padding: 80px 0;
}

.language-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.language-category {
    padding: 10px 20px;
    background-color: var(--bg-light);
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.language-category:hover,
.language-category.active {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.languages-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1.5rem;
}

.language-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 1.5rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.language-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.language-flag-large {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1rem;
}

.language-card h4 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.language-card p {
    margin-bottom: 0;
    color: var(--text-light);
    font-size: 0.875rem;
}

.language-popularity {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 0.5rem;
}

.popularity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.popularity-dot.active {
    background-color: var(--primary-color);
}

/* ============================================
   价格方案页面样式
   ============================================ */

.pricing-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.pricing-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
}

.pricing-tab {
    padding: 10px 30px;
    background: none;
    border: none;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.pricing-tab:hover,
.pricing-tab.active {
    color: var(--primary-color);
}

.pricing-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    transition: transform var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-header p {
    color: var(--text-light);
    margin-bottom: 0;
}

.pricing-price {
    margin-bottom: 2rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.price-period {
    color: var(--text-light);
    font-size: 0.875rem;
}

.pricing-features {
    list-style: none;
    padding-left: 0;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features i {
    color: var(--secondary-color);
    flex-shrink: 0;
}

.pricing-features .disabled {
    color: var(--text-lighter);
}

.pricing-features .disabled i {
    color: var(--text-lighter);
}

/* 价格计算器 */
.price-calculator {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 3rem;
    margin-top: 4rem;
}

.calculator-title {
    text-align: center;
    margin-bottom: 2rem;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

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

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.calculator-result {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.result-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.result-note {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ============================================
   联系我们页面样式
   ============================================ */

.contact-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

.contact-info {
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    background-color: var(--primary-light);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.contact-details p {
    margin-bottom: 0;
    color: var(--text-light);
}

.business-hours {
    margin-top: 3rem;
}

.business-hours h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.hours-list {
    list-style: none;
    padding-left: 0;
}

.hours-list li {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

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

/* 联系表单 */
.contact-form-container {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-group {
    margin-bottom: 0;
}

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

.file-upload {
    position: relative;
    margin-top: 0.5rem;
}

.file-upload input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background-color: var(--bg-light);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.file-upload-label:hover {
    border-color: var(--primary-color);
}

.file-upload-label i {
    color: var(--primary-color);
}

.form-submit {
    margin-top: 1rem;
}

/* 地图部分 */
.map-container {
    margin-top: 4rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 400px;
}

.map-placeholder {
    height: 100%;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

/* ============================================
   页脚样式
   ============================================ */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.footer-col p {
    color: #d1d5db;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
    padding-left: 0;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: #d1d5db;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #374151;
    border-radius: 50%;
    color: var(--text-white);
    font-size: 1.25rem;
    transition: background-color var(--transition-fast);
}

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

.contact-info {
    list-style: none;
    padding-left: 0;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 1rem;
    color: #d1d5db;
}

.contact-info i {
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #9ca3af;
    font-size: 0.875rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom a {
    color: #9ca3af;
    text-decoration: none;
}

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

/* ============================================
   响应式设计
   ============================================ */

/* 平板设备 (768px 到 1024px) */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    h3 {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .service-detail {
        flex-direction: column;
    }
    
    .service-reverse {
        flex-direction: column;
    }
    
    .certification-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* 移动设备 (小于 768px) */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* 导航栏移动端样式 */
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: var(--shadow-lg);
        z-index: 1000;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    /* 其他移动端调整 */
    .features-grid,
    .values-grid,
    .team-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .languages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        flex-direction: column;
        gap: 2rem;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .step {
        display: flex;
        align-items: center;
        gap: 1rem;
        text-align: left;
    }
    
    .step-number {
        flex-shrink: 0;
    }
    
    .interpretation-types {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

/* 小屏幕移动设备 (小于 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .page-hero {
        padding: 60px 0;
    }
    
    .cta {
        padding: 60px 0;
    }
    
    .footer {
        padding: 60px 0 30px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }
    
    .btn-large {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .languages-grid {
        grid-template-columns: 1fr;
    }
    
    .certification-steps {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
}
/* ============================================
   客户端下载页面样式
   ============================================ */

/* 客户端介绍 */
.client-intro {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 4rem;
}

.client-intro-text {
    flex: 1;
}

.client-intro-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.client-intro-image img {
    width: 100%;
    height: auto;
    display: block;
}

.client-features-overview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-overview {
    text-align: center;
    padding: 1.5rem 1rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
}

.feature-overview i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    display: block;
}

.feature-overview h4 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.feature-overview p {
    margin-bottom: 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* 客户端功能网格 */
.client-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.client-feature-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.client-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.client-feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background-color: var(--primary-light);
    border-radius: 50%;
}

.client-feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.client-feature-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.feature-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.875rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* 下载平台 */
.download-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.platform-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    transition: transform var(--transition-normal);
    border: 2px solid transparent;
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.platform-card.popular {
    border-color: var(--primary-color);
}

.platform-card .popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.platform-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.platform-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.platform-card > p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.platform-info {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.platform-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.platform-info i {
    color: var(--primary-color);
    width: 16px;
}

.platform-info p:last-child {
    margin-bottom: 0;
}

.download-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.download-actions .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.system-requirements {
    text-align: left;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.system-requirements h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.system-requirements ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.system-requirements li {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    padding-left: 1.25rem;
    position: relative;
}

.system-requirements li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 移动端下载 */
.mobile-download {
    margin: 4rem 0;
    padding: 3rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
}

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

.mobile-platform {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.mobile-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.mobile-platform h4 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.mobile-platform p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* 其他下载选项 */
.other-downloads {
    margin-top: 4rem;
}

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

.other-download {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.other-download h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.other-download h4 i {
    color: var(--primary-color);
}

.other-download p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
}

.download-link:hover {
    gap: 0.75rem;
}

/* 安装步骤 */
.installation-steps {
    max-width: 800px;
    margin: 3rem auto;
}

.step-container {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.step-container:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

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

.step-content h4 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.step-content p {
    margin-bottom: 0;
    color: var(--text-light);
}

/* 安装视频 */
.installation-video {
    margin-top: 4rem;
}

.video-container {
    max-width: 800px;
    margin: 2rem auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    cursor: pointer;
    transition: opacity var(--transition-normal);
}

.video-placeholder:hover {
    opacity: 0.9;
}

.video-placeholder i {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.video-placeholder p {
    font-size: 1.25rem;
    margin-bottom: 0;
}

/* 常见问题 */
.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

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

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

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

.faq-question h4 {
    margin-bottom: 0;
    font-size: 1.125rem;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-answer.active {
    padding: 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    margin-bottom: 0;
    color: var(--text-light);
}

/* 行动号召特定样式 */
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.cta-note {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .client-intro {
        flex-direction: column;
    }
    
    .client-features-overview {
        grid-template-columns: 1fr;
    }
    
    .download-platforms {
        grid-template-columns: 1fr;
    }
    
    .mobile-platforms {
        grid-template-columns: 1fr;
    }
    
    .other-downloads-grid {
        grid-template-columns: 1fr;
    }
    
    .step-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .video-placeholder {
        height: 250px;
    }
    
    .video-placeholder i {
        font-size: 3rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}