/* ========================================
   正义律师事务所 - 样式表
   蓝色色系主题
   ======================================== */

/* CSS变量定义 */
:root {
    /* 主色调 - 蓝色系 */
    --primary-color: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --primary-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    
    /* 辅助色 */
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    
    /* 中性色 */
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    
    /* 功能色 */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* 字体 */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    
    /* 间距 */
    --section-padding: 100px;
    --container-max-width: 1200px;
    
    /* 过渡 */
    --transition: all 0.3s ease;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 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);
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

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

ul {
    list-style: none;
}

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

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

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(30, 64, 175, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.23);
}

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

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

.btn-full {
    width: 100%;
}

/* 区块标题样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

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

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 28px;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-medium);
    border-radius: 6px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(30, 64, 175, 0.08);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    padding: 8px;
}

/* ========================================
   Hero区域
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--primary-gradient);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(59, 130, 246, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding-top: 80px;
}

.hero-content h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-content p {
    font-size: 22px;
    opacity: 0.95;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 80px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* ========================================
   关于我们
   ======================================== */
.about {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img-wrapper {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-placeholder {
    aspect-ratio: 4/3;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: rgba(255, 255, 255, 0.3);
}

.about-experience {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--bg-white);
    padding: 30px 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 16px;
}

.exp-number {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.exp-text {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.4;
}

.about-text h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.about-text p {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-dark);
}

.feature-item i {
    color: var(--success);
    font-size: 20px;
}

/* ========================================
   业务领域
   ======================================== */
.services {
    padding: var(--section-padding) 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 28px;
    color: white;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.service-card p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
}

.service-link:hover {
    gap: 12px;
}

.service-link i {
    font-size: 14px;
    transition: var(--transition);
}

/* ========================================
   为什么选择我们
   ======================================== */
.why-choose {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
}

.advantage-item {
    display: flex;
    gap: 20px;
}

.advantage-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: rgba(30, 64, 175, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.advantage-content h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.advantage-content p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.6;
}

.why-choose-image {
    position: relative;
}

.why-choose-img-wrapper {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.why-choose-img-placeholder {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #0ea5e9 0%, #1e40af 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: rgba(255, 255, 255, 0.3);
}

/* ========================================
   律师团队
   ======================================== */
.team {
    padding: var(--section-padding) 0;
    background: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.team-image {
    position: relative;
    overflow: hidden;
}

.team-img-placeholder {
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--primary-color);
}

.team-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 3/4;
    display: block;
}

.team-info {
    padding: 24px;
}

.team-info h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.team-position {
    display: block;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.team-field {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.team-info p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 16px;
}

.team-social {
    display: flex;
    gap: 12px;
}

.team-social a {
    width: 36px;
    height: 36px;
    background: rgba(30, 64, 175, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition);
}

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

/* ========================================
   成功案例
   ======================================== */
.cases {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

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

.case-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-type {
    padding: 6px 14px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
}

.case-result {
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
}

.case-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    line-height: 1.4;
}

.case-card p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.case-footer span {
    font-size: 14px;
    color: var(--text-light);
}

.case-footer span i {
    margin-right: 6px;
}

.case-footer a {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
}

/* ========================================
   客户评价
   ======================================== */
.testimonials {
    padding: var(--section-padding) 0;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.testimonials .section-title,
.testimonials .section-subtitle,
.testimonials .section-desc {
    color: white;
}

.testimonials .section-subtitle {
    background: rgba(255, 255, 255, 0.15);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.testimonial-rating {
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 16px;
    margin-right: 4px;
}

.testimonial-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
}

.author-info h5 {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 4px;
}

.author-info span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   新闻资讯
   ======================================== */
.news {
    padding: var(--section-padding) 0;
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    /* grid-template-rows: repeat(3, 1fr); */
    gap: 24px;
}

.news-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-card:hover {
    box-shadow: var(--shadow-lg);
}

.news-featured {
    /* grid-row: span 3; */
    display: flex;
    flex-direction: column;
}

.news-image {
    position: relative;
    overflow: hidden;
}

.news-featured .news-image {
    height: 280px;
}

.news-img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: rgba(255, 255, 255, 0.3);
}

.news-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--primary-color);
    color: white;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
}

.news-content {
    padding: 24px;
}

.news-featured .news-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-date {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.news-date i {
    margin-right: 6px;
}

.news-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    line-height: 1.4;
}

.news-featured h4 {
    font-size: 24px;
}

.news-card p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
    margin-top: auto;
}

.news-link:hover {
    gap: 12px;
}

/* ========================================
   联系我们
   ======================================== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.contact-detail h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.contact-detail p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.6;
}

.contact-form-wrapper {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    background: var(--bg-white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* 地图样式 */
.contact-map-wrapper {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.map-address {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-white);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 500;
}

.map-address i {
    color: var(--primary-color);
    font-size: 18px;
}

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

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 28px;
    color: var(--primary-light);
}

.footer-brand p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
    color: white;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-column ul li {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-column ul li a:hover {
    color: white;
}

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

.footer-bottom {
    padding: 30px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ========================================
   回到顶部按钮
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(30, 64, 175, 0.4);
}

/* ========================================
   响应式设计 - 移动端适配
   ======================================== */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .hero-content h1 {
        font-size: 48px;
    }
    
    .about-content,
    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-image {
        order: -1;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .why-choose-image {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-featured {
        grid-row: span 1;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 手机设备 (小于 768px) */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-desc {
        font-size: 16px;
    }
    
    /* 导航栏移动端 */
    .nav-wrapper {
        height: 70px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        display: block;
        padding: 14px 20px;
        border-radius: 8px;
        width: 100%;
        text-align: center;
    }
    
    /* Hero区域移动端 */
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    /* 关于我们移动端 */
    .about-experience {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 20px;
        justify-content: center;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    /* 服务网格移动端 */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 30px 24px;
    }
    
    /* 优势列表移动端 */
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .advantage-icon {
        margin: 0 auto;
    }
    
    /* 团队网格移动端 */
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    /* 案例网格移动端 */
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    /* 联系表单移动端 */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    /* 页脚移动端 */
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-column h4 {
        margin-bottom: 16px;
    }
    
    .footer-social {
        justify-content: center;
    }
}

/* 小屏手机 (小于 480px) */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .exp-number {
        font-size: 40px;
    }
    
    .about-experience {
        padding: 20px 30px;
    }
}

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

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

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.page-header {
    background: var(--primary-gradient);
    padding: 160px 0 80px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.page-header-content {
    position: relative;
    z-index: 1;
}

.news-list-page .page-header h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.news-detail-page .page-header h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
}

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

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    font-size: 14px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb i {
    color: rgba(255, 255, 255, 0.6);
}

.news-list-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.news-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-list-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.news-list-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-list-card:hover .news-list-image img {
    transform: scale(1.05);
}

.news-list-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

.news-list-content {
    padding: 24px;
}

.news-list-date {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.news-list-content h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.news-list-content h3 a:hover {
    color: var(--primary-color);
}

.news-list-content p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-list-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
}

.news-list-link:hover {
    gap: 12px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 60px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.pagination a {
    background: var(--bg-white);
    color: var(--text-medium);
    box-shadow: var(--shadow-sm);
}

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

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

.news-detail-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.news-detail-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.news-detail-header {
    padding: 40px;
    border-bottom: 1px solid var(--border-color);
}

.news-detail-category {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.news-detail-header h1 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.news-detail-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.news-detail-meta i {
    color: var(--primary-color);
}

.news-detail-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.news-detail-content {
    padding: 40px;
}

.news-detail-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 32px 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.news-detail-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 24px 0 12px;
}

.news-detail-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 16px;
}

.news-detail-content ul,
.news-detail-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.news-detail-content li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 8px;
}

.news-detail-content strong {
    color: var(--text-dark);
    font-weight: 600;
}

.news-detail-content blockquote {
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    padding: 20px 24px;
    margin: 24px 0;
    border-radius: 0 8px 8px 0;
}

.news-detail-content blockquote p {
    margin: 0;
    font-style: italic;
}

.news-detail-footer {
    padding: 30px 40px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
}

.news-detail-tags {
     font-size: 10px;
    color: var(--bg-light);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.news-detail-tags span {
    font-size: 10px;
    color: var(--bg-light);
}

.news-detail-tags a {
    padding: 6px 14px;
    background: var(--bg-white);
    color: var(--text-medium);
    font-size: 13px;
    border-radius: 20px;
    transition: var(--transition);
}

.news-detail-tags a:hover {
    background: var(--primary-color);
    color: white;
}

.news-detail-share {
    display: flex;
    align-items: center;
    gap: 16px;
}

.news-detail-share span {
    font-size: 16px;
    color: var(--text-light);
}

.news-detail-share a {
    width: 40px;
    height: 40px;
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-medium);
    transition: var(--transition);
}

.news-detail-share a:hover {
    background: var(--primary-color);
    color: white;
}

.news-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.news-nav-item {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-nav-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-nav-item.prev {
    text-align: left;
}

.news-nav-item.next {
    text-align: right;
}

.news-nav-item span {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.news-nav-item span i {
    margin: 0 4px;
}

.news-nav-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.news-nav-item:hover h4 {
    color: var(--primary-color);
}

.related-news {
    margin-top: 60px;
}

.related-news h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.related-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-news-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.related-news-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.related-news-card-content {
    padding: 16px;
}

.related-news-card-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 8px;
}

.related-news-card-content span {
    font-size: 13px;
    color: var(--text-light);
}

@media (max-width: 1024px) {
    .news-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .news-list-page .page-header h1 {
        font-size: 36px;
    }

    .news-list-grid {
        grid-template-columns: 1fr;
    }

    .news-detail-page .page-header h1 {
        font-size: 24px;
    }

    .news-detail-header {
        padding: 24px;
    }

    .news-detail-header h1 {
        font-size: 24px;
    }

    .news-detail-content {
        padding: 24px;
    }

    .news-detail-image {
        height: 250px;
    }

    .news-navigation {
        grid-template-columns: 1fr;
    }

    .news-nav-item.next {
        text-align: left;
    }

    .related-news-grid {
        grid-template-columns: 1fr;
    }
}