/*
Theme Name: 中堃企业主题
Theme URI: http://www.gdzhongkun.com/
Author: 广东中堃技术有限公司
Author URI: http://www.gdzhongkun.com/
Description: 专为广东中堃技术有限公司设计的企业官网主题，蓝色科技风格
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: zhongkun-theme
*/

/* ====================
   基础样式重置
==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul, ol {
    list-style: none;
}

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

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

/* ====================
   颜色变量
==================== */
:root {
    --primary-color: #1a5fb4;
    --primary-dark: #0d3a7a;
    --primary-light: #4a9eff;
    --secondary-color: #f59e0b;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --white: #ffffff;
    --border-color: #e5e7eb;
}

/* ====================
   顶部导航
==================== */
.top-bar {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

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

.top-bar-left span {
    margin-right: 25px;
}

.top-bar-left i {
    margin-right: 5px;
    color: var(--secondary-color);
}

.top-bar-right a {
    margin-left: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.top-bar-right a:hover {
    color: var(--secondary-color);
}

/* ====================
   主导航
==================== */
.main-header {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

/* 自定义Logo限制 */
.custom-logo {
    max-height: 60px;
    max-width: 200px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: var(--white);
    font-size: 24px;
    font-weight: bold;
}

.logo-text h1 {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 700;
}

.logo-text span {
    font-size: 12px;
    color: var(--text-gray);
    display: block;
    margin-top: -3px;
}

.main-nav ul {
    display: flex;
    gap: 35px;
}

.main-nav a {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.main-nav a:hover::after,
.main-nav .current-menu-item > a::after,
.main-nav .current_page_item > a::after,
.main-nav .current-menu-ancestor > a::after {
    width: 100%;
}

.main-nav a:hover,
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a,
.main-nav .current-menu-ancestor > a {
    color: var(--primary-color);
}

/* 首页导航滚动高亮效果 - 只在首页生效 */
.home-nav .nav-link.active::after {
    width: 100%;
}

.home-nav .nav-link.active {
    color: var(--primary-color);
}

/* 下拉菜单样式 */
.main-nav .menu-item-has-children {
    position: relative;
}



.main-nav .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 180px;
    padding: 10px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    display: block;
}

.main-nav .menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-nav .sub-menu li {
    display: block;
}

.main-nav .sub-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-dark);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.main-nav .sub-menu a::after {
    display: none;
}

.main-nav .sub-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* 当前选中的子菜单选项 */
.main-nav .sub-menu li.current-menu-item a,
.main-nav .sub-menu li.current_page_item a {
    color: var(--primary-color);
    position: relative;
    padding-left: 25px;
}

.main-nav .sub-menu li.current-menu-item a::before,
.main-nav .sub-menu li.current_page_item a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background: var(--primary-color);
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 15px;
}

.phone-icon {
    width: 45px;
    height: 45px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
}

.phone-info span {
    display: block;
    font-size: 12px;
    color: var(--text-gray);
}

.phone-info strong {
    font-size: 18px;
    color: var(--primary-color);
    font-weight: 700;
}

/* ====================
   Hero轮播区域
==================== */
.hero-section {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(13, 58, 122, 0.9) 0%, rgba(26, 95, 180, 0.7) 50%, rgba(26, 95, 180, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    color: var(--white);
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(26, 95, 180, 0.4);
}

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

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

.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

/* ====================
   特色服务区域
==================== */
.features-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-header h2 span {
    color: var(--primary-color);
}

.section-header p {
    color: var(--text-gray);
    font-size: 16px;
}

.section-header::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 20px auto 0;
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-card {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
}

/* ====================
   关于我们区域
==================== */
.about-section {
    padding: 100px 0;
    background: var(--white);
}

.about-content,
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 60px;
}

.about-images {
    position: relative;
}

.about-main-img {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.about-sub-img {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 250px;
    border-radius: 10px;
    overflow: hidden;
    border: 5px solid var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.experience-badge {
    position: absolute;
    top: 30px;
    left: -20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 20px 30px;
    border-radius: 10px;
    text-align: center;
}

.experience-badge .years {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 14px;
    opacity: 0.9;
}

.about-text h3 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 700;
}

.about-text h3 span {
    color: var(--primary-color);
}

.about-text > p {
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
}

/* ====================
   服务区域
==================== */
.services-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
}

.services-section .section-header h2 {
    color: var(--white);
}

.services-section .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.services-section .section-header::after {
    background: var(--secondary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.service-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

/* 服务卡片图片区域 */
.service-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* 服务卡片内容区域 */
.service-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-link {
    color: var(--secondary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: auto;
}

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

/* ====================
   数据统计区域
==================== */
/* ====================
   数据统计区域 - 现代风格（参考润建股份）
==================== */
.stats-section {
    padding: 100px 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.stats-section .section-header {
    margin-bottom: 80px;
}

.stats-section .section-header h2 {
    font-size: 32px;
    color: var(--text-dark);
}

.stats-section .section-header h2 span {
    color: var(--primary-color);
}

/* 现代统计网格 */
.stats-grid-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px 40px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.stat-item-modern {
    text-align: center;
    padding: 20px;
}

.stat-number-modern {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 10px;
    font-family: 'Arial', sans-serif;
}

.stat-number-modern .counter {
    display: inline-block;
}

.stat-label-modern {
    font-size: 16px;
    color: var(--text-gray);
    font-weight: 400;
}

/* 旧样式保留兼容 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-box {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-box-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-gray) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    color: var(--primary-color);
}

.stat-box-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

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

/* ====================
   案例展示区域
==================== */
.cases-section {
    padding: 100px 0;
    background: var(--white);
}

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

.case-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.case-image {
    position: relative;
    overflow: hidden;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #f5f5f5;
}

.case-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(13, 58, 122, 0.9) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 30px;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-content {
    color: var(--white);
}

.case-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.case-content p {
    font-size: 14px;
    opacity: 0.9;
}

.case-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* ====================
   合作伙伴区域
==================== */
/* ====================
   合作伙伴区域 - 无限滚动效果
==================== */
.partners-section {
    padding: 80px 0;
    background: var(--bg-light);
    overflow: hidden;
}

/* 无限滚动容器 */
.partners-marquee {
    margin-top: 60px;
    position: relative;
}

.marquee-row {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    margin-bottom: 30px;
}

/* 渐变遮罩 - 左右两侧 */
.marquee-row::before,
.marquee-row::after {
    content: '';
    position: absolute;
    top: 0;
    height: 100%;
    width: 100px;
    z-index: 1;
    pointer-events: none;
}

.marquee-row::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-light), transparent);
}

.marquee-row::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-light), transparent);
}

.marquee-row:last-child {
    margin-bottom: 0;
}

.marquee-track {
    display: inline-flex;
    align-items: center;
    will-change: transform;
}

/* 第一行：从左向右滚动 */
.marquee-row-1 .marquee-track {
    animation: marquee-left 10s linear infinite;
}

/* 第二行：从右向左滚动 */
.marquee-row-2 .marquee-track {
    animation: marquee-right 10s linear infinite;
}

/* 悬停时暂停动画 */
.marquee-row:hover .marquee-track {
    animation-play-state: paused;
}

/* 合作伙伴项 */
.partner-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 180px;
    height: 80px;
    margin: 0 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    filter: none;
    opacity: 1;
}

.partner-item:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.partner-item img {
    max-width: 120px;
    max-height: 50px;
    object-fit: contain;
}

.partner-item span {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

/* 滚动动画 */
@keyframes marquee-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-33.333%);
    }
}

@keyframes marquee-right {
    0% {
        transform: translateX(-33.333%);
    }
    100% {
        transform: translateX(0);
    }
}

/* 旧样式保留兼容 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    align-items: center;
}

.partner-logo {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    filter: grayscale(100%);
    opacity: 0.7;
}

.partner-logo:hover {
    filter: grayscale(0);
    opacity: 1;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.partner-logo img {
    max-height: 50px;
    width: auto;
}

/* ====================
   新闻资讯区域
==================== */
.news-section {
    padding: 100px 0;
    background: var(--white);
}

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

.news-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

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

.news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-date {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 15px;
    border-radius: 5px;
    text-align: center;
}

.news-date .day {
    display: block;
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.news-date .month {
    font-size: 12px;
}

.news-content {
    padding: 25px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 13px;
    color: var(--text-light);
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-content h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.4;
}

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

.news-content p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.8;
}

/* ====================
   能力资质认定区域
==================== */
.certifications-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.certification-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

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

.certification-card h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.certification-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

/* ====================
   关于我们 - 子部分
==================== */
.about-subsection {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--bg-gray);
}

.about-subsection:first-of-type {
    border-top: none;
}

.subsection-header {
    text-align: center;
    margin-bottom: 50px;
}

.subsection-header h3 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.subsection-header h3 span {
    color: var(--primary-color);
}

.subsection-header p {
    font-size: 16px;
    color: var(--text-gray);
}

/* 发展历程 - 横向时间线（参考图效果） */
.milestone-timeline {
    position: relative;
    padding: 60px 0 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.milestone-years {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    margin-bottom: 30px;
}

.milestone-year-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

/* 圆点样式 */
.milestone-year-item .year-dot {
    width: 14px;
    height: 14px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    background: var(--white);
    margin-bottom: 15px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 3;
    box-sizing: border-box;
}

/* 选中状态的圆点（实心） */
.milestone-year-item.active .year-dot {
    background: var(--primary-color);
}

/* 未选中状态的圆点（空心） */
.milestone-year-item:not(.active) .year-dot {
    background: var(--white);
}

.milestone-year-item:hover .year-dot {
    transform: scale(1.2);
}

/* 年份标签样式 */
.milestone-year-item .year-label {
    display: inline-block;
    padding: 6px 16px;
    background: var(--white);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

/* 选中状态的年份标签 */
.milestone-year-item.active .year-label {
    background: var(--primary-color);
    color: var(--white);
}

.milestone-year-item:hover .year-label {
    transform: translateY(-2px);
}

/* 时间线容器 */
.milestone-line-wrapper {
    position: absolute;
    top: 7px;
    left: 0;
    right: 0;
    height: 4px;
    z-index: 1;
    pointer-events: none;
}

/* 年份标签样式 - 确保在时间线上方 */
.milestone-year-item .year-label {
    position: relative;
    z-index: 3;
}

/* 时间线背景（细线） */
.milestone-line-bg {
    position: absolute;
    top: 1px;
    left: 0;
    right: 0;
    height: 2px;
    background: #e0e0e0;
}

/* 时间线进度（粗线） */
.milestone-line-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: width 0.5s ease;
}

.milestone-content-wrapper {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.milestone-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.milestone-content.active {
    display: block;
}

.milestone-content h4 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.milestone-content .milestone-subtitle {
    display: block;
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.milestone-content p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    line-height: 1.8;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 旧时间线样式（保留用于兼容） */
.about-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.timeline-year {
    width: 100px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.timeline-content {
    flex: 1;
    max-width: 350px;
    padding: 25px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin: 0 30px;
}

.timeline-content h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 600;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 企业资质 */
.about-qualification-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.qualification-item {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

.qualification-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.qualification-item h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.qualification-item p {
    font-size: 14px;
    color: var(--text-gray);
}

/* 企业文化 */
.about-culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.culture-item {
    padding: 30px 25px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

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

.culture-item h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 600;
}

.culture-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 响应式 - 关于我们子部分 */
@media (max-width: 992px) {
    .about-subsection {
        margin-top: 60px;
        padding-top: 40px;
    }
    
    .subsection-header {
        margin-bottom: 30px;
    }
    
    .subsection-header h3 {
        font-size: 24px;
    }
    
    .about-timeline::before {
        left: 30px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
        padding-left: 80px;
    }
    
    .timeline-year {
        position: absolute;
        left: 0;
        width: 60px;
        font-size: 14px;
    }
    
    .timeline-content {
        margin: 0;
        max-width: 100%;
    }
    
    .about-qualification-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-culture-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .culture-item {
        padding: 25px 20px;
    }
    
    .culture-item h4 {
        font-size: 17px;
    }
    
    .culture-item p {
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .milestone-timeline {
        padding: 30px 0;
    }
    
    .milestone-line-wrapper {
        display: none;
    }
    
    .milestone-years {
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
        margin-bottom: 30px;
    }
    
    .milestone-year-item {
        flex: 0 0 calc(33.333% - 15px);
    }
    
    .milestone-year-item .year-dot {
        display: none;
    }
    
    .milestone-year-item .year-label {
        padding: 5px 12px;
        font-size: 12px;
    }
    
    .milestone-content h4 {
        font-size: 24px;
    }
    
    .about-qualification-grid {
        grid-template-columns: 1fr;
    }
    
    .about-culture-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .culture-item {
        padding: 25px 20px;
    }
    
    .culture-item h4 {
        font-size: 17px;
    }
    
    .culture-item p {
        font-size: 14px;
    }
    
    .qualification-item {
        padding: 20px;
    }
}

/* 响应式 - 能力资质认定 */
@media (max-width: 1200px) {
    .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

@media (max-width: 768px) {
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .certification-card {
        padding: 20px 15px;
    }
    
    .certification-card h4 {
        font-size: 14px;
    }
}

/* ====================
   招聘信息
==================== */
.recruitment-section {
    padding: 80px 0;
    background: var(--white);
}

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

.recruitment-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

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

.recruitment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.recruitment-header h3 {
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 600;
}

.recruitment-salary {
    color: var(--primary-color);
    font-size: 16px;
    font-weight: 600;
}

.recruitment-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--text-gray);
}

.recruitment-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.recruitment-btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 5px;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

/* 响应式 - 招聘信息 */
@media (max-width: 1200px) {
    .recruitment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .recruitment-grid {
        grid-template-columns: 1fr;
    }
    
    .recruitment-card {
        padding: 20px;
    }
    
    .recruitment-header h3 {
        font-size: 16px;
    }
}

/* ====================
   招聘信息详情页
==================== */
.recruitment-detail-section {
    padding: 80px 0;
    background: var(--white);
}

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

.recruitment-detail-header {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 40px;
    text-align: center;
}

.recruitment-detail-header h1 {
    font-size: 28px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 700;
}

.recruitment-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.recruitment-detail-meta span {
    font-size: 16px;
    color: var(--text-gray);
}

.recruitment-detail-body {
    margin-bottom: 40px;
}

.recruitment-detail-section h2 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 600;
}

.recruitment-detail-content {
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.recruitment-contact {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
}

.recruitment-contact p {
    margin-bottom: 10px;
    font-size: 16px;
    color: var(--text-gray);
}

.recruitment-detail-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 招聘信息归档页 */
.recruitment-archive-section {
    padding: 80px 0;
    background: var(--white);
}

.recruitment-archive-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.no-results {
    text-align: center;
    padding: 60px 0;
    color: var(--text-gray);
}

/* 响应式 - 招聘信息详情页 */
@media (max-width: 768px) {
    .recruitment-detail-header {
        padding: 30px 20px;
    }
    
    .recruitment-detail-header h1 {
        font-size: 24px;
    }
    
    .recruitment-detail-meta {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .recruitment-archive-grid {
        grid-template-columns: 1fr;
    }
    
    .recruitment-detail-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* ====================
   页脚
==================== */
.main-footer {
    background: linear-gradient(135deg, #0a2647 0%, #0d3a7a 100%);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-about .logo {
    margin-bottom: 25px;
}

.footer-about .logo-text h1 {
    color: var(--white);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
}

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

.footer-title {
    font-size: 20px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a::before {
    content: '›';
    color: var(--secondary-color);
    font-size: 20px;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: var(--secondary-color);
    font-size: 18px;
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom-links {
    display: flex;
    gap: 30px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

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

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

/* 大屏幕平板和小屏笔记本 */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .features-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid,
    .cases-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-image {
        height: 280px;
        padding: 15px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .partner-item {
        width: 150px;
        height: 70px;
        margin: 0 15px;
    }
    
    .partner-item span {
        font-size: 16px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-content h2 {
        font-size: 42px;
    }
}

/* 平板设备 */
@media (max-width: 992px) {
    .container {
        padding: 0 20px;
    }
    
    /* 顶部栏 */
    .top-bar {
        padding: 8px 0;
    }
    
    .top-bar .container {
        flex-direction: column;
        gap: 8px;
    }
    
    .top-bar-left {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .top-bar-left span {
        margin-right: 0;
        font-size: 13px;
    }
    
    .top-bar-right {
        display: none;
    }
    
    /* 主导航 */
    .main-header .container {
        height: auto;
        padding: 15px 20px;
        flex-wrap: wrap;
    }
    
    .logo {
        flex: 1;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .logo-text h1 {
        font-size: 20px;
    }
    
    .logo-text span {
        font-size: 11px;
    }
    
    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(13, 58, 122, 0.98);
        z-index: 9999;
        padding: 80px 20px 20px;
        overflow-y: auto;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .main-nav a {
        display: block;
        padding: 20px 0;
        font-size: 18px;
        color: var(--white);
    }
    
    .main-nav a::after {
        display: none;
    }
    
    .main-nav a:hover,
    .main-nav a.active,
    .main-nav .current-menu-item > a,
    .main-nav .current_page_item > a {
        color: var(--secondary-color);
        padding-left: 10px;
    }
    
    /* 移动端下拉菜单 */
    .main-nav .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 255, 255, 0.05);
        box-shadow: none;
        padding: 0;
        min-width: auto;
        display: none;
    }
    
    .main-nav .menu-item-has-children.active .sub-menu {
        display: block;
    }
    
    .main-nav .sub-menu li {
        border-bottom: none;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .main-nav .sub-menu a {
        padding: 15px 0 15px 20px;
        font-size: 16px;
        color: rgba(255, 255, 255, 0.8);
    }
    
    .main-nav .sub-menu a:hover {
        background: transparent;
        color: var(--secondary-color);
        padding-left: 30px;
    }
    
    .header-contact {
        display: none;
    }
    
    /* 移动端菜单按钮 */
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 30px;
        height: 25px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 10001;
        padding: 0;
    }
    
    .mobile-menu-toggle span {
        display: block;
        width: 100%;
        height: 3px;
        background: var(--primary-color);
        border-radius: 2px;
        transition: all 0.3s ease;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
        background: var(--white);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
        background: var(--white);
    }
    
    /* 移动端关闭按钮 */
    .mobile-menu-close {
        position: absolute;
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        background: transparent;
        border: 2px solid var(--white);
        border-radius: 50%;
        color: var(--white);
        font-size: 24px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Hero区域 */
    .hero-section {
        height: 500px;
    }
    
    .hero-content h2 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 15px;
    }
    
    /* 关于我们 */
    .about-section {
        padding: 60px 0;
    }
    
    .about-content,
    .about-intro {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-images {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-sub-img {
        position: relative;
        bottom: auto;
        right: auto;
        width: 100%;
        margin-top: 20px;
    }
    
    .experience-badge {
        position: relative;
        top: auto;
        left: auto;
        display: inline-block;
        margin-bottom: 20px;
    }
    
    .about-text h3 {
        font-size: 28px;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    /* 服务区域 */
    .services-section,
    .cases-section,
    .news-section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 30px;
    }
    
    /* 统计区域 */
    .stats-section {
        padding: 60px 0;
    }
    
    .stats-bg-decoration {
        width: 400px;
        height: 400px;
    }
    
    .stats-bg-decoration::before {
        width: 280px;
        height: 280px;
    }
    
    .stats-bg-decoration::after {
        width: 340px;
        height: 340px;
    }
    
    .stats-grid-modern {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 30px;
    }
    
    .stat-number-modern {
        font-size: 42px;
    }
    
    .stat-box-number {
        font-size: 36px;
    }
    
    /* 页脚 */
    .main-footer {
        padding: 60px 0 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
}

/* 手机设备 */
@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* 顶部栏 */
    .top-bar {
        padding: 6px 0;
    }
    
    .top-bar-left {
        gap: 8px;
    }
    
    .top-bar-left span {
        font-size: 12px;
    }
    
    /* Hero区域 */
    .hero-section {
        height: 450px;
    }
    
    .hero-slide {
        background-position: center center;
    }
    
    .hero-content {
        max-width: 100%;
        padding: 0 10px;
    }
    
    .hero-content h2 {
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .hero-content p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .hero-dots {
        bottom: 20px;
    }
    
    .dot {
        width: 10px;
        height: 10px;
    }
    
    .dot.active {
        width: 25px;
    }
    
    /* 特色服务 */
    .features-section {
        padding: 50px 0;
    }
    
    .features-grid,
    .stats-grid,
    .services-grid,
    .cases-grid,
    .news-grid,
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .case-image {
        height: 240px;
        padding: 10px;
    }
    
    .case-overlay {
        padding: 20px;
    }
    
    .case-content h3 {
        font-size: 18px;
    }
    
    .partner-item {
        width: 120px;
        height: 60px;
        margin: 0 10px;
    }
    
    .partner-item span {
        font-size: 14px;
    }
    
    .marquee-row {
        margin-bottom: 20px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
    
    .feature-card h3 {
        font-size: 17px;
    }
    
    .feature-card p {
        font-size: 13px;
    }
    
    /* 关于我们 */
    .about-section {
        padding: 50px 0;
    }
    
    .about-images {
        max-width: 100%;
    }
    
    .about-text h3 {
        font-size: 24px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .stat-item {
        padding: 15px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    /* 服务区域 */
    .services-section {
        padding: 50px 0;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .service-image {
        height: 140px;
    }
    
    .service-content {
        padding: 20px 15px;
    }
    
    .service-card h3 {
        font-size: 18px;
    }
    
    .service-card p {
        font-size: 13px;
    }
    
    /* 统计区域 */
    .stats-section {
        padding: 50px 0;
    }
    
    .stats-bg-decoration {
        width: 300px;
        height: 300px;
    }
    
    .stats-bg-decoration::before {
        width: 200px;
        height: 200px;
    }
    
    .stats-bg-decoration::after {
        width: 250px;
        height: 250px;
    }
    
    .stats-grid-modern {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px 20px;
    }
    
    .stat-number-modern {
        font-size: 36px;
    }
    
    .stat-label-modern {
        font-size: 14px;
    }
    
    .stat-box {
        padding: 30px 20px;
    }
    
    .stat-box-icon {
        width: 60px;
        height: 60px;
        font-size: 26px;
    }
    
    .stat-box-number {
        font-size: 32px;
    }
    
    /* 案例展示 */
    .cases-section {
        padding: 50px 0;
    }
    
    .case-image img {
        height: 220px;
        object-fit: contain;
        background: #f5f5f5;
    }
    
    .case-overlay {
        opacity: 1;
        background: linear-gradient(180deg, transparent 30%, rgba(13, 58, 122, 0.95) 100%);
    }
    
    .case-content h3 {
        font-size: 18px;
    }
    
    .case-tag {
        padding: 4px 12px;
        font-size: 11px;
    }
    
    /* 合作伙伴 */
    .partners-section {
        padding: 50px 0;
    }
    
    .partner-logo {
        padding: 20px;
        height: 80px;
    }
    
    /* 新闻资讯 */
    .news-section {
        padding: 50px 0;
    }
    
    .news-image img {
        height: 180px;
    }
    
    .news-date {
        padding: 8px 12px;
        top: 15px;
        left: 15px;
    }
    
    .news-date .day {
        font-size: 20px;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .news-meta {
        flex-wrap: wrap;
        gap: 10px;
        font-size: 12px;
    }
    
    .news-content h3 {
        font-size: 16px;
    }
    
    .news-content p {
        font-size: 13px;
    }
    
    /* 页脚 */
    .main-footer {
        padding: 50px 0 0;
    }
    
    .footer-about .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .footer-about .logo-text h1 {
        font-size: 20px;
    }
    
    .footer-title {
        font-size: 18px;
        margin-bottom: 20px;
        padding-bottom: 12px;
    }
    
    .footer-contact li {
        margin-bottom: 15px;
    }
    
    .footer-social a {
        width: 35px;
        height: 35px;
    }
    
    .footer-bottom p {
        font-size: 13px;
    }
    
    .footer-bottom-links {
        gap: 15px;
    }
    
    .footer-bottom-links a {
        font-size: 13px;
    }
    
    /* 返回顶部 */
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
    
    /* Section标题 */
    .section-header h2 {
        font-size: 26px;
    }
    
    .section-header p {
        font-size: 14px;
    }
    
    .section-header::after {
        width: 50px;
        height: 3px;
        margin-top: 15px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    /* 顶部栏 */
    .top-bar-left span {
        font-size: 11px;
    }
    
    /* 主导航 */
    .logo-icon {
        width: 35px;
        height: 35px;
        font-size: 18px;
        margin-right: 10px;
    }
    
    .logo-text h1 {
        font-size: 18px;
    }
    
    .logo-text span {
        font-size: 10px;
    }
    
    /* Hero区域 */
    .hero-section {
        height: 400px;
    }
    
    .hero-content h2 {
        font-size: 24px;
    }
    
    .hero-content p {
        font-size: 13px;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 14px;
    }
    
    /* 特色服务 */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
    
    .feature-card h3 {
        font-size: 17px;
    }
    
    .feature-card p {
        font-size: 14px;
    }
    
    /* 关于我们 */
    .about-text h3 {
        font-size: 22px;
    }
    
    .about-text > p {
        font-size: 14px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 13px;
    }
    
    /* 服务区域 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .service-image {
        height: 180px;
    }
    
    .service-content {
        padding: 20px 15px;
    }
    
    .service-card h3 {
        font-size: 18px;
    }
    
    .service-card p {
        font-size: 13px;
    }
    
    /* 统计区域 */
    .stat-box {
        padding: 25px 15px;
    }
    
    .stat-box-icon {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }
    
    .stat-box-number {
        font-size: 28px;
    }
    
    .stat-box-label {
        font-size: 14px;
    }
    
    /* 案例展示 */
    .case-image img {
        height: 200px;
        object-fit: contain;
        background: #f5f5f5;
    }
    
    .case-content h3 {
        font-size: 16px;
    }
    
    .case-content p {
        font-size: 12px;
    }
    
    /* 新闻资讯 */
    .news-image img {
        height: 160px;
    }
    
    .news-date .day {
        font-size: 18px;
    }
    
    .news-date .month {
        font-size: 11px;
    }
    
    .news-content {
        padding: 15px;
    }
    
    .news-content h3 {
        font-size: 15px;
    }
    
    .news-content p {
        font-size: 12px;
    }
    
    /* Section标题 */
    .section-header h2 {
        font-size: 22px;
    }
    
    .section-header p {
        font-size: 13px;
    }
}

/* 防止body滚动 */
body.menu-open {
    overflow: hidden;
}

/* 移动端菜单按钮显示 */
@media (max-width: 992px) {
    .mobile-menu-toggle {
        display: flex;
    }
}

@media (min-width: 993px) {
    .mobile-menu-toggle {
        display: none;
    }
}

@media (max-width: 992px) {
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease forwards;
}

/* ====================
   返回顶部按钮
==================== */
.back-to-top {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    width: 60px;
    height: 150px;
    background: var(--primary-color);
    color: white;
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    cursor: pointer;
    opacity: 1;
    visibility: visible;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(26, 95, 180, 0.4);
}

.back-to-top:hover {
    transform: translateY(-50%) translateX(-5px);
    box-shadow: 0 8px 25px rgba(26, 95, 180, 0.6);
    background: var(--primary-dark);
}

/* 联系选项 */
.consult-options {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    padding: 15px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
}

.consult-btn:hover .consult-options {
    opacity: 1;
    visibility: visible;
    right: 80px;
}

.consult-options::before {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: transparent transparent transparent white;
}

.consult-options h4 {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 14px;
    font-weight: 600;
}

.consult-options ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.consult-options li {
    margin-bottom: 10px;
}

.consult-options a {
    display: flex;
    align-items: center;
    color: #666;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.consult-options a:hover {
    color: var(--primary-color);
}

.consult-options svg {
    margin-right: 8px;
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.consult-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
}

.consult-icon {
    font-size: 18px;
    margin-bottom: 5px;
}

.consult-text {
    font-size: 12px;
    font-weight: 500;
    text-align: center;
}

.top-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 0;
    cursor: pointer;
}

.top-icon {
    margin-bottom: 5px;
}

.top-text {
    font-size: 12px;
    font-weight: 500;
    text-align: center;
}

/* ====================
   SVG 图标样式
==================== */
.icon-svg {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

.feature-icon .icon-svg,
.service-icon .icon-svg,
.culture-icon .icon-svg {
    width: 48px;
    height: 48px;
}

.phone-icon .icon-svg {
    width: 24px;
    height: 24px;
}

.top-bar-left .icon-svg {
    width: 14px;
    height: 14px;
    margin-right: 5px;
}

.footer-contact .icon-svg,
.footer-social .icon-svg {
    width: 16px;
    height: 16px;
    margin-right: 8px;
}

.recruitment-meta .icon-svg {
    width: 14px;
    height: 14px;
    margin-right: 4px;
}

.news-meta .icon-svg {
    width: 14px;
    height: 14px;
    margin-right: 4px;
}