/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 跳过链接 - 无障碍访问 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #2563eb;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    opacity: 1;
    transition: opacity 0.5s ease;
    /* 修改为纯白色背景 */
    background: white;
    background-attachment: fixed;
}

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

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0; /* 确保从左边缘开始 */
    right: 0; /* 确保到右边缘结束 */
    width: 100%; /* 完整宽度 */
    z-index: 1000;
    transition: all 0.4s ease;
}

.nav-container {
    max-width: none; /* 移除最大宽度限制 */
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    width: 100%;
}

/* 左侧Logo区域 */
.nav-logo {
    cursor: pointer;
    transition: transform 0.3s ease;
    flex: 0 0 auto; /* 不伸缩，保持原始大小 */
    margin-left: 20px; /* 向右移动20px */
}

.nav-logo:hover {
    transform: translateY(-1px);
}

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

.company-names {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* 优化Logo文字样式 */
.company-name-cn {
    background: linear-gradient(135deg, #1e293b, #334155);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin: 0;
    text-shadow: 0 2px 4px rgba(37, 99, 235, 0.1);
    white-space: nowrap;
    line-height: 1.2;
}

.company-name-en {
    font-size: 12px;
    font-weight: 500;
    color: #64748b;
    margin: 0;
    letter-spacing: 0.5px;
    white-space: nowrap;
    line-height: 1;
}

/* 优化Logo图片 */
.inline-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}



/* 右侧菜单区域 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    margin: 0;
    padding: 0;
    margin-left: auto; /* 确保菜单靠右 */
}

/* 菜单项样式优化 */
.nav-menu a {
    text-decoration: none;
    color: #334155;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
    padding: 10px 20px;
    border-radius: 25px;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: #2563eb;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.08), 
        rgba(59, 130, 246, 0.06));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 60%;
}

/* 当前页面标识 */
.nav-menu a[aria-current="page"] {
    color: #2563eb;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.12), 
        rgba(59, 130, 246, 0.08));
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.nav-menu a[aria-current="page"]::after {
    width: 60%;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    padding: 8px 0;
    margin-top: 10px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(255, 255, 255, 0.98);
}

.dropdown-menu li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: #334155;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    transform: none;
}

.dropdown-menu a:hover {
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.08), 
        rgba(59, 130, 246, 0.06));
    color: #2563eb;
    transform: translateX(5px);
}

.dropdown-menu a::after {
    display: none;
}



.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
    z-index: 1001;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(37, 99, 235, 0.1);
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger:hover {
    background: rgba(37, 99, 235, 0.1);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #334155;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span {
    background: #2563eb;
}

/* 首页横幅 */
.hero {
    background: 
        /* 用户的海景图片 - 5441x2986高清 - 无遮罩 */
        url('../images/background.jpg?cache=false&v=202508012') center center/cover no-repeat;
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 15s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 0%, rgba(255, 255, 255, 0.05) 50%, transparent 100%);
    animation: sweep 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) translateX(0px);
        opacity: 1;
    }
    33% { 
        transform: translateY(-10px) translateX(5px);
        opacity: 0.8;
    }
    66% { 
        transform: translateY(5px) translateX(-3px);
        opacity: 0.9;
    }
}

@keyframes sweep {
    0%, 100% { 
        transform: translateX(-100%);
        opacity: 0;
    }
    50% { 
        transform: translateX(100%);
        opacity: 1;
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 0;
    position: relative;
    z-index: 2;
}

.hero-container::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 5%;
    width: 300px;
    height: 300px;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.03) 50%, transparent 70%),
        radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
    z-index: -1;
}

.hero-container::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: 5%;
    width: 200px;
    height: 200px;
    background: 
        linear-gradient(135deg, rgba(147, 197, 253, 0.08) 0%, transparent 50%),
        conic-gradient(from 45deg, transparent, rgba(255, 255, 255, 0.02), transparent);
    border-radius: 50%;
    animation: float 18s ease-in-out infinite reverse;
    z-index: -1;
}

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

.hero-content {
    text-align: center;
    margin-bottom: 60px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #ffffff;
    text-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.8),
        0 3px 10px rgba(0, 0, 0, 0.6),
        0 1px 5px rgba(0, 0, 0, 0.9),
        2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #f0f9ff;
    text-shadow: 
        0 3px 8px rgba(0, 0, 0, 0.5),
        0 1px 4px rgba(0, 0, 0, 0.7);
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 15px;
    opacity: 0.95;
    text-shadow: 
        0 2px 6px rgba(0, 0, 0, 0.6),
        0 1px 3px rgba(0, 0, 0, 0.8);
}

.hero-slogan {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
    text-shadow: 
        0 2px 6px rgba(0, 0, 0, 0.6),
        0 1px 3px rgba(0, 0, 0, 0.8);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    border: 2px solid transparent;
}

.btn-primary {
    background: #f59e0b;
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: #fbbf24;
    margin-bottom: 10px;
    text-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.5),
        0 1px 4px rgba(0, 0, 0, 0.7);
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'SimHei', 'SimSun', 'WenQuanYi Micro Hei', Arial, sans-serif;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.95;
    text-shadow: 
        0 1px 4px rgba(0, 0, 0, 0.6),
        0 1px 2px rgba(0, 0, 0, 0.8);
}

/* 通用区块样式 */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 20px;
    position: relative;
}

.section-header h2::after {
    display: none;
}

.section-header p {
    font-size: 1.2rem;
    color: #64748b;
}

/* 关于TBK */
.about {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 40px 0 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch; /* 改为stretch确保两列等高 */
    margin-top: 50px;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    display: flex; /* 添加flex布局 */
}

.about-hero-image {
    width: 100%;
    height: 100%; /* 填满父容器 */
    object-fit: cover;
    transition: transform 0.6s ease;
    flex: 1; /* 占满可用空间 */
}

.about-image:hover .about-hero-image {
    transform: scale(1.05);
}

.about-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: relative;
    justify-content: space-between; /* 添加这行，使内容在垂直方向上均匀分布 */
}

.about-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    flex-shrink: 0;
    border: none !important;
    border-bottom: none !important;
}

.about-tabs .tab-item {
    flex: 1;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #64748b;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
    text-align: center;
}

.about-tabs .tab-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.about-tabs .tab-item:hover {
    background: rgba(37, 99, 235, 0.1);
    color: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.about-tabs .tab-item:hover::before {
    left: 100%;
}

.about-tabs .tab-item.active {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border-color: #2563eb;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    transform: translateY(-1px);
}

/* 固定高度的内容容器，防止切换时跳动 */
.about-tab-container {
    position: relative;
    min-height: 420px;
    overflow: hidden;
    border-top: none !important;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 注释掉TBK模块的过渡动画 */
.about-info .tab-content {
    display: none;
    opacity: 0;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
    transition: opacity 0.3s ease;
}

.about-info .tab-content.active {
    display: flex;
    opacity: 1;
    position: relative;
}

/* 注释掉fadeInUp动画 */
/*
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
*/

/* 新增：文案内容区域 */
.tab-text-content {
    flex: 0 0 auto;
    margin-bottom: 30px;
}

.about-info .tab-content h3 {
    font-size: 1.8rem;
    color: #1e293b;
    margin-bottom: 20px;
    font-weight: 600;
}

.about-info .tab-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #64748b;
    margin-bottom: 0;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: auto;
    align-self: stretch;
    align-content: end;
}

.about-features .feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 8px;
    /* transition: all 0.3s ease; */
}

/* .about-features .feature-item:hover {
    background: #e2e8f0;
    transform: translateX(5px);
} */

.about-features .feature-item i {
    font-size: 1.2rem;
    color: #2563eb;
    width: 20px;
    text-align: center;
}

.about-features .feature-item span {
    font-weight: 500;
    color: #1e293b;
}

.about-subtitle {
    font-size: 1.8rem;
    color: #1e293b;
    margin-bottom: 15px;
    font-weight: 600;
}

.about-underline {
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #10b981, #059669);
    margin: 0 auto 25px;
    border-radius: 2px;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #64748b;
    margin-bottom: 30px;
}

.about-action {
    margin-top: 30px;
}

.btn-outline {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.about .section-header h2 {
    color: white;
    text-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.7),
        0 2px 4px rgba(0, 0, 0, 0.5);
}

.about .section-header h2::after {
    background: white;
}

.about .section-header p {
    color: #f8fafc;
    text-shadow: 
        0 2px 6px rgba(0, 0, 0, 0.6),
        0 1px 3px rgba(0, 0, 0, 0.8);
}

.about .about-card {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.98) 0%, rgba(239, 246, 255, 0.95) 30%, rgba(236, 253, 245, 0.95) 70%, rgba(240, 253, 250, 0.98) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.about .timeline h3 {
    color: white;
    text-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.7),
        0 2px 4px rgba(0, 0, 0, 0.5);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.about-card {
    background: linear-gradient(135deg, rgba(248, 250, 255, 1) 0%, rgba(241, 245, 254, 0.98) 50%, rgba(243, 248, 255, 0.98) 100%);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: white;
}

.about-card h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 20px;
}

.about-card p {
    color: #64748b;
    line-height: 1.8;
}

/* 时间线 */
.timeline {
    margin-top: 80px;
}

.timeline h3 {
    text-align: center;
    font-size: 2rem;
    color: #1e293b;
    margin-bottom: 50px;
}

.timeline-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.timeline-item {
    background: linear-gradient(135deg, rgba(248, 250, 255, 1) 0%, rgba(241, 245, 254, 0.98) 50%, rgba(243, 248, 255, 0.98) 100%);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #2563eb;
    transition: transform 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(10px);
}

.timeline-year {
    font-size: 1.3rem;
    font-weight: bold;
    color: #2563eb;
    margin-bottom: 10px;
}

.timeline-content {
    color: #64748b;
    line-height: 1.6;
}

/* 核心业务 */
.services {
    background:
      linear-gradient(180deg, rgba(248, 250, 252, 1) 0%, rgba(226, 232, 240, 1) 85%, rgba(226, 232, 240, 0.75) 92%, rgba(226, 232, 240, 0.35) 97%, rgba(226, 232, 240, 0) 100%),
      linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    background-blend-mode: normal;
    padding: 80px 0 40px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: linear-gradient(135deg, rgba(248, 250, 255, 1) 0%, rgba(241, 245, 254, 0.98) 50%, rgba(243, 248, 255, 0.98) 100%);
    border-radius: 10px;
    padding: 18px 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 2px solid #2563eb;
    position: relative;
    overflow: hidden;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #2563eb;
}

.service-icon {
    width: 45px;
    height: 45px;
    margin: 0 auto 10px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 12px rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37, 99, 235, 0.4);
}

.service-icon i {
    color: white;
    font-size: 18px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 8px;
    line-height: 1.2;
}

.service-card p {
    font-size: 18px;
    line-height: 1.4;
    color: #64748b;
    margin: 8px 0 0 0;
    flex-grow: 1;
}

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

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 25px;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 24px;
    }
    
    .service-card h3 {
        font-size: 18px;
    }
    
    .service-card p {
        font-size: 13px;
    }
}

.service-card ul {
    list-style: none;
    color: #64748b;
    text-align: left;
}

.service-card li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.service-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

/* 服务优势 */
.advantages {
    background: url('../images/background4.jpg?v=20250801') center center/cover no-repeat;
}

.advantages .section-header h2 {
    color: white;
    text-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.7),
        0 2px 4px rgba(0, 0, 0, 0.5);
}

.advantages .section-header h2::after {
    background: white;
}

.advantages .section-header p {
    color: #f8fafc;
    text-shadow: 
        0 2px 6px rgba(0, 0, 0, 0.6),
        0 1px 3px rgba(0, 0, 0, 0.8);
}

.advantages .advantage-card {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.98) 0%, rgba(239, 246, 255, 0.95) 30%, rgba(236, 253, 245, 0.95) 70%, rgba(240, 253, 250, 0.98) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.advantage-card {
    background: linear-gradient(135deg, rgba(248, 250, 255, 1) 0%, rgba(241, 245, 254, 0.98) 50%, rgba(243, 248, 255, 0.98) 100%);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    transition: left 0.3s ease;
}

.advantage-card:hover::before {
    left: 0;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: white;
}

.advantage-card h3 {
    font-size: 1.4rem;
    color: #1e293b;
    margin-bottom: 25px;
}

.advantage-features {
    margin-bottom: 25px;
}

.feature {
    padding: 8px 0;
    color: #64748b;
    border-bottom: 1px solid #e2e8f0;
}

.feature:last-child {
    border-bottom: none;
}

.advantage-highlight {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    display: inline-block;
}

/* 企业文化 */
.culture {
    background: url('../images/background5.jpg?v=20250801') center center/cover no-repeat;
}

.culture .section-header h2 {
    color: white;
    text-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.7),
        0 2px 4px rgba(0, 0, 0, 0.5);
}

.culture .section-header h2::after {
    background: white;
}

.culture .section-header p {
    color: white;
    font-size: 1.4rem;
    font-weight: bold;
    text-shadow: 
        0 2px 6px rgba(0, 0, 0, 0.6),
        0 1px 3px rgba(0, 0, 0, 0.8);
}

.culture .values-section h3 {
    color: white;
    text-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.7),
        0 2px 4px rgba(0, 0, 0, 0.5);
}

.culture .value-card {
    background: linear-gradient(135deg, rgba(248, 250, 255, 1) 0%, rgba(241, 245, 254, 0.98) 50%, rgba(243, 248, 255, 0.98) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.values-section {
    margin-bottom: 80px;
}

.values-section h3 {
    text-align: center;
    font-size: 2rem;
    color: #1e293b;
    margin-bottom: 50px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 40px 25px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: #2563eb;
}

.value-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: white;
}

.value-card h4 {
    font-size: 1.3rem;
    color: #1e293b;
    margin-bottom: 15px;
}

.value-card p {
    color: #64748b;
    line-height: 1.6;
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.mission-card,
.vision-card {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.3);
}

.culture .mission-card,
.culture .vision-card {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.95) 0%, rgba(59, 130, 246, 0.95) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.card-header i {
    font-size: 2rem;
}

.card-header h3 {
    font-size: 1.5rem;
}

.mission-card p,
.vision-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.95;
}

/* 联系我们 */
.contact {
    background: url('../images/background6.jpg?v=20250801-2') center center/cover no-repeat;
}

.contact .section-header h2 {
    color: white;
    text-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.7),
        0 2px 4px rgba(0, 0, 0, 0.5);
}

.contact .section-header h2::after {
    background: white;
}

.contact .section-header p {
    color: #f8fafc;
    text-shadow: 
        0 2px 6px rgba(0, 0, 0, 0.6),
        0 1px 3px rgba(0, 0, 0, 0.8);
}

/* 删除冲突的contact-card样式，使用统一的样式定义 */

.contact .contact-form {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.98) 0%, rgba(239, 246, 255, 0.95) 30%, rgba(236, 253, 245, 0.95) 70%, rgba(240, 253, 250, 0.98) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

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

.contact .contact-card {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.98) 0%, rgba(239, 246, 255, 0.95) 30%, rgba(236, 253, 245, 0.95) 70%, rgba(240, 253, 250, 0.98) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}



/* 页脚 */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 0;
    right: 0;
    height: 140px;
    pointer-events: none;
    background: radial-gradient(60% 60% at 50% 0%, rgba(16, 185, 129, 0.14) 0%, rgba(56, 189, 248, 0.12) 40%, rgba(30, 41, 59, 0) 100%);
    filter: blur(6px);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: #3b82f6;
}

.footer-logo p {
    color: #94a3b8;
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3b82f6;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #94a3b8;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
    color: #94a3b8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
        height: 70px;
    }
    
    .company-name-cn {
        font-size: 20px;
    }
    
    .company-name-en {
        font-size: 10px;
    }
    
    .inline-logo {
        width: 32px;
        height: 32px;
    }
    
    .hamburger {
        display: flex !important;
        position: relative;
        z-index: 1002;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        gap: 20px;
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* 移动端下拉菜单样式 */
    .dropdown-menu {
        position: static;
        background: transparent;
        border: none;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding: 0;
        margin: 0;
        min-width: auto;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .dropdown-menu a {
        padding: 8px 0 8px 20px;
        font-size: 13px;
        color: #64748b;
    }
    
    .dropdown-menu a:hover {
        background: transparent;
        color: #2563eb;
        transform: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.8rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .mission-vision {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .about-grid,
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        gap: 30px;
    }
    
    .about-image {
        height: 300px;
    }
    
    .about-text {
        padding: 30px 20px;
    }
    
    .services-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .services-image {
        height: 300px;
    }
    
    .services-info {
        padding: 30px 20px;
    }
    
    .services-tabs {
        flex-direction: column;
        gap: 8px;
    }
    
    .tab-item {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

/* 滚动动画 */
/*
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
*/

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
} 



/* 呼吸灯效果 */
.breathing-light {
    animation: breathing 3s ease-in-out infinite;
}

@keyframes breathing {
    0%, 100% { 
        opacity: 0.8; 
    }
    50% { 
        opacity: 1; 
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .cursor-glow,
    .cursor-trail {
        display: none;
    }
    
    .card-3d:hover {
        transform: none;
    }
}

/* 联系我们页面专用样式 - 已整合到下方 */



/* 联系我们页面移动端适配 */
@media (max-width: 768px) {
    .contact-header h1 {
        font-size: 2rem;
    }
    
    .contact-header p {
        font-size: 1rem;
    }
    
    .contact-info h2,
    .contact-form-section h2 {
        font-size: 2rem;
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        max-width: 100%;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

/* 联系我们页面专用样式 */
.contact-hero {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 120px 0 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/background.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.contact-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.contact-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.contact-hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-stat {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 500;
}

.contact-stat i {
    color: #fbbf24;
    font-size: 1.5rem;
}

/* 联系信息网格 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 30px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
}

/* 联系卡片完整样式 */
.contact-card {
    background: linear-gradient(135deg, rgba(248, 250, 255, 1) 0%, rgba(241, 245, 254, 0.98) 50%, rgba(243, 248, 255, 0.98) 100%);
    padding: 35px 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.contact-card.breathing-light {
    animation: breathing 3s ease-in-out infinite;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.contact-card:hover::before {
    left: 100%;
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
}

.contact-card h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 15px;
    font-weight: 600;
}

.contact-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 15px;
}

.contact-detail {
    color: #64748b;
    font-size: 0.9rem;
}



/* 联系表单样式 */
.contact-form {
    background: linear-gradient(135deg, rgba(248, 250, 255, 1) 0%, rgba(241, 245, 254, 0.95) 50%, rgba(243, 248, 255, 0.95) 100%);
    padding: 80px 0;
}

.contact-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 800px;
    margin: 50px auto 0;
}

.contact-form-content {
    background: #f8fafc;
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1e293b;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
    min-height: 50px;
    line-height: 1.5;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    padding: 20px;
}

.form-group button {
    width: 100%;
    padding: 18px 30px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 60px;
}

.form-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.contact-form-info {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    padding: 40px;
    border-radius: 15px;
    height: fit-content;
}

.contact-form-info h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    text-align: center;
}

.quick-contact {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.quick-contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.quick-contact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.quick-contact-item i {
    font-size: 1.5rem;
    color: #fbbf24;
    flex-shrink: 0;
}

.quick-contact-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.quick-contact-item p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .contact-form-grid {
        max-width: 100%;
        margin: 30px auto 0;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-content,
    .contact-form-info {
        padding: 30px 20px;
    }
}

























/* 地址详情样式 */
.contact-address {
    background: linear-gradient(135deg, rgba(248, 250, 255, 1) 0%, rgba(241, 245, 254, 0.95) 50%, rgba(243, 248, 255, 0.95) 100%);
    padding: 80px 0;
}

.address-content {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.address-info h3 {
    font-size: 2rem;
    color: #1e293b;
    margin-bottom: 30px;
}

.address-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    width: 100%;
}

.address-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #2563eb;
    min-height: 80px;
}

.address-item i {
    color: #2563eb;
    font-size: 1.5rem;
    margin-top: 5px;
    flex-shrink: 0;
}

.address-item strong {
    color: #1e293b;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

.address-item p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}



/* 联系我们页面移动端适配 */
@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .contact-hero h1 {
        font-size: 2.5rem;
    }
    
    .contact-hero p {
        font-size: 1.1rem;
    }
    
    .contact-hero-stats {
        gap: 20px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 100%;
    }
    
    .address-content {
        max-width: 100%;
        padding: 0 20px;
    }
    
    .address-details {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 更小屏幕的响应式布局 */
@media (max-width: 480px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .contact-card {
        padding: 25px 15px;
        min-height: 200px;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
} 

/* 正在开发中页面样式 */
.developing-content {
    padding-top: 120px;
    min-height: calc(100vh - 200px);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.developing-hero {
    text-align: center;
    color: white;
    padding: 60px 20px;
}

.developing-icon {
    font-size: 6rem;
    color: #fbbf24;
    margin-bottom: 30px;
    animation: bounce 2s infinite;
}

.developing-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.developing-hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.progress-bar {
    width: 300px;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    margin: 0 auto 40px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    border-radius: 4px;
    animation: progress 3s ease-in-out infinite;
}

.developing-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.feature i {
    font-size: 2.5rem;
    color: #fbbf24;
}

.feature span {
    font-size: 1.1rem;
    font-weight: 500;
}

.back-home-btn {
    display: inline-block;
    padding: 15px 30px;
    background: #fbbf24;
    color: #1e293b;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.back-home-btn:hover {
    background: transparent;
    color: #fbbf24;
    border-color: #fbbf24;
    transform: translateY(-2px);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

@keyframes progress {
    0% {
        width: 0%;
    }
    50% {
        width: 70%;
    }
    100% {
        width: 100%;
    }
}

/* 正在开发中页面移动端适配 */
@media (max-width: 768px) {
    .developing-hero h1 {
        font-size: 2.5rem;
    }
    
    .developing-hero p {
        font-size: 1.1rem;
    }
    
    .developing-icon {
        font-size: 4rem;
    }
    
    .developing-features {
        gap: 30px;
    }
    
    .progress-bar {
        width: 250px;
    }
}

@media (max-width: 480px) {
    .developing-hero h1 {
        font-size: 2rem;
    }
    
    .developing-features {
        flex-direction: column;
        gap: 25px;
    }
    
    .progress-bar {
        width: 200px;
    }
}

/* 备案信息样式 */
.beian-info {
    background: transparent; /* 使用透明背景，融入全局背景 */
    padding: 8px 0; /* 上下内边距保持8px */
    text-align: center;
    border-top: 1px solid rgba(226, 232, 240, 0.3); /* 使用更淡的边框 */
    margin-top: 8px; /* 调整为与padding一致的8px */
}

.beian-info p {
    margin: 0;
    font-size: 12px; /* 字体大小保持不变 */
    color: #64748b; /* 调整文字颜色以适应透明背景 */
    line-height: 1.3; /* 稍微紧凑一些的行高 */
}

.beian-info a {
    color: #64748b; /* 统一链接颜色 */
    text-decoration: none;
    margin: 0 5px;
    transition: color 0.3s ease;
}

.beian-info a:hover {
    color: #2563eb; /* 悬停时使用主题蓝色 */
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .beian-info {
        padding: 6px 0; /* 移动端进一步缩小 */
        margin-top: 6px; /* 移动端上边距也保持一致 */
    }
    
    .beian-info p {
        font-size: 11px;
        padding: 0 15px;
        line-height: 1.3;
    }
}