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

/* 密码验证模态框样式 */
.password-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.password-modal.active {
    display: flex;
}

.password-modal-content {
    background-color: #ffffff;
    border-radius: 16px;
    width: 90%;
    max-width: 420px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.password-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid #f0f0f0;
}

.password-modal-title {
    font-size: 20px;
    font-weight: 600;
    color: #0070f3;
    margin: 0;
}

.password-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #9ca3af;
    cursor: pointer;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.password-modal-close:hover {
    background-color: #f3f4f6;
    color: #6b7280;
}

.password-modal-body {
    padding: 24px;
}

.password-label {
    display: block;
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 12px;
    font-weight: 500;
}

.password-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    outline: none;
    transition: all 0.2s ease;
    background-color: #ffffff;
}

.password-input:focus {
    border-color: #0070f3;
    box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.1);
}

.password-input::placeholder {
    color: #9ca3af;
}

.password-error {
    color: #ef4444;
    font-size: 13px;
    margin-top: 8px;
    display: none;
}

.password-error.show {
    display: block;
}

.password-modal-footer {
    display: flex;
    gap: 12px;
    padding: 24px;
    border-top: 1px solid #f0f0f0;
}

.btn-cancel {
    flex: 1;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 500;
    color: #6b7280;
    background-color: #f9fafb;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-cancel:hover {
    background-color: #f3f4f6;
    border-color: #9ca3af;
}

.btn-confirm {
    flex: 1;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 500;
    color: #ffffff;
    background: linear-gradient(135deg, #0070f3 0%, #3291ff 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 112, 243, 0.3);
}

.btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 112, 243, 0.4);
}

.btn-confirm:active {
    transform: translateY(0);
}

/* CSS 变量定义 - 流式设计系统 */
:root {
    /* 主色调 - 现代蓝色系 */
    --primary-color: #0070f3;
    --primary-dark: #0050c3;
    --primary-light: #3291ff;
    --primary-alpha: rgba(0, 112, 243, 0.1);
    --primary-gradient: linear-gradient(135deg, #0070f3 0%, #3291ff 100%);
    
    /* 辅助色 */
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --secondary-light: #34d399;
    --secondary-gradient: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    
    /* 强调色 */
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fbbf24;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    
    /* 中性色 */
    --dark-color: #111827;
    --dark-gray: #374151;
    --medium-gray: #6b7280;
    --light-gray: #9ca3af;
    --very-light-gray: #f9fafb;
    --white: #ffffff;
    
    /* 字体 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Inter', Arial, sans-serif;
    
    /* 流式字体大小 - 使用 clamp(min, preferred, max) */
    --text-xs: clamp(0.6875rem, 0.65rem + 0.2vw, 0.75rem);
    --text-sm: clamp(0.8125rem, 0.75rem + 0.3vw, 0.875rem);
    --text-base: clamp(0.9375rem, 0.875rem + 0.3vw, 1rem);
    --text-lg: clamp(1.0625rem, 0.9375rem + 0.6vw, 1.125rem);
    --text-xl: clamp(1.1875rem, 1rem + 0.9vw, 1.25rem);
    --text-2xl: clamp(1.375rem, 1.125rem + 1.2vw, 1.5rem);
    --text-3xl: clamp(1.75rem, 1.375rem + 1.8vw, 1.875rem);
    --text-4xl: clamp(2.125rem, 1.5rem + 3vw, 2.5rem);
    --text-5xl: clamp(2.75rem, 2rem + 3.5vw, 3rem);
    --text-6xl: clamp(3.25rem, 2.25rem + 4.5vw, 3.75rem);
    
    /* 流式间距系统 */
    --spacing-xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
    --spacing-sm: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
    --spacing-md: clamp(0.75rem, 0.6rem + 0.75vw, 1.25rem);
    --spacing-lg: clamp(1rem, 0.75rem + 1.25vw, 1.5rem);
    --spacing-xl: clamp(1.25rem, 1rem + 1.25vw, 2rem);
    --spacing-2xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
    --spacing-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
    --spacing-4xl: clamp(3.5rem, 2.5rem + 5vw, 6rem);
    
    /* 流式圆角 */
    --radius-sm: clamp(4px, 0.3rem + 0.2vw, 6px);
    --radius-md: clamp(8px, 0.5rem + 0.3vw, 10px);
    --radius-lg: clamp(12px, 0.75rem + 0.4vw, 14px);
    --radius-xl: clamp(14px, 1rem + 0.5vw, 18px);
    --radius-2xl: clamp(18px, 1.25rem + 0.6vw, 24px);
    --radius-full: 50%;
    
    /* 流式阴影 */
    --shadow-sm: 0 clamp(1px, 0.1rem + 0.1vw, 3px) clamp(3px, 0.2rem + 0.2vw, 6px) rgba(0, 0, 0, 0.1);
    --shadow-md: 0 clamp(2px, 0.2rem + 0.2vw, 4px) clamp(6px, 0.3rem + 0.4vw, 6px) rgba(0, 0, 0, 0.08), 0 clamp(1px, 0.1rem + 0.1vw, 3px) clamp(3px, 0.2rem + 0.2vw, 3px) rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 clamp(5px, 0.5rem + 0.5vw, 10px) clamp(8px, 0.75rem + 0.75vw, 15px) rgba(0, 0, 0, 0.1), 0 clamp(2px, 0.2rem + 0.3vw, 4px) clamp(3px, 0.3rem + 0.4vw, 6px) rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 clamp(10px, 1rem + 1vw, 20px) clamp(15px, 1.25rem + 1.5vw, 25px) rgba(0, 0, 0, 0.1), 0 clamp(5px, 0.5rem + 0.75vw, 10px) clamp(8px, 0.75rem + 1vw, 10px) rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 clamp(12px, 1.25rem + 1.5vw, 25px) clamp(20px, 1.5rem + 2.5vw, 50px) rgba(0, 0, 0, 0.15);
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-fluid: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 深度层级 */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* 全局样式 */
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 65px;
}

/* 懒加载图片样式 */
img.lazy {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
    background-color: var(--very-light-gray);
    border-radius: var(--radius-md);
}

img.lazy.loaded {
    opacity: 1;
    transform: scale(1);
}

/* 图片容器样式 */
.image-container {
    position: relative;
    overflow: hidden;
    background-color: var(--very-light-gray);
    border-radius: var(--radius-lg);
}

.service-icon {
    position: relative;
    overflow: hidden;
    background-color: var(--primary-alpha);
    border-radius: var(--radius-full);
}

/* 容器样式 - 流式宽度 */
.container {
    width: 100%;
    max-width: clamp(320px, 90vw, 1400px);
    margin: 0 auto;
    padding: 0 clamp(0.75rem, 3vw, 2rem);
    transition: padding var(--transition-fluid);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px var(--spacing-lg);
}

.logo-link {
    display: inline-block;
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 700;
    font-size: var(--text-2xl);
    transition: color var(--transition-fast);
}

/* Logo样式 - 流式尺寸 */
.logo-image {
    width: clamp(60px, 8vw, 120px);
    height: auto;
    display: block;
    transition: width var(--transition-fluid);
}

.logo-link:hover {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-left: auto;
    flex-wrap: nowrap;
    white-space: nowrap;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    position: relative;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: calc(-1 * var(--spacing-sm)) calc(-1 * var(--spacing-md));
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-toggle::after {
    content: '▼';
    font-size: var(--text-xs);
    margin-left: 6px;
    vertical-align: middle;
    transition: transform var(--transition-fast);
    color: var(--medium-gray);
    display: inline-block;
    position: relative;
    top: auto;
    right: auto;
    transform: none;
}

.dropdown:hover .dropdown-toggle,
.dropdown.active .dropdown-toggle {
    background-color: var(--primary-alpha);
    color: var(--primary-color);
}

.dropdown:hover .dropdown-toggle::after,
.dropdown.active .dropdown-toggle::after {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.dropdown-toggle::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-md);
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-fast);
}

.dropdown:hover .dropdown-toggle::before,
.dropdown.active .dropdown-toggle::before {
    width: calc(100% - 2 * var(--spacing-md));
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-xs);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--dark-gray);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.dropdown-item:hover {
    background-color: var(--primary-alpha);
    color: var(--primary-color);
    padding-left: var(--spacing-xl);
}

.nav-links .nav-button:last-child {
    margin-left: 1px;
}

.nav-links .nav-button:nth-last-child(2) {
    margin-left: var(--spacing-xl);
}

.auth-buttons {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.auth-buttons .nav-button:first-child {
    margin-right: 1px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    font-size: 16px;
    transition: all var(--transition-fast);
    position: relative;
    padding: var(--spacing-sm) 0;
    white-space: nowrap;
}

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

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

.nav-link:not(.dropdown-toggle):hover::after {
    width: 100%;
}

.nav-button {
    text-decoration: none;
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 16px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.nav-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--white);
}

.mobile-menu {
    display: none;
}

.menu-toggle {
    background: none;
    border: none;
    font-size: var(--text-2xl);
    color: var(--dark-color);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.menu-toggle:hover {
    color: var(--primary-color);
}

/* 首页横幅样式 - 重新设计 */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4eaf1 100%);
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    padding-top: clamp(150px, 30vh, 400px);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 112, 243, 0.1) 0%, transparent 70%);
    z-index: 0;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-10px, -10px) rotate(5deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}

.hero .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 40%, 600px), 1fr));
    gap: clamp(1.5rem, 4vw, 4rem);
    align-items: center;
    position: relative;
    z-index: 1;
    transition: transform var(--transition-fluid), gap var(--transition-fluid);
}

.hero-content {
    max-width: clamp(300px, 60%, 650px);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 700;
    line-height: 1.1;
    color: var(--dark-color);
    margin-bottom: clamp(1rem, 2vw, 2rem);
    animation: fadeInUp 1s ease-out;
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: font-size var(--transition-fluid);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--medium-gray);
    margin-bottom: clamp(1.5rem, 3vw, 3rem);
    animation: fadeInUp 1s ease-out 0.2s both;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: clamp(0.75rem, 2vw, 1.5rem);
    margin-bottom: clamp(1.5rem, 4vw, 4rem);
    animation: fadeInUp 1s ease-out 0.4s both;
    flex-wrap: wrap;
    transition: gap var(--transition-fluid);
}

.hero-buttons .btn-primary,
.hero-buttons .btn-secondary {
    padding: clamp(0.75rem, 1.5vw, 1.25rem) clamp(1.25rem, 3vw, 2rem);
    font-size: var(--text-lg);
    transition: padding var(--transition-fluid), transform var(--transition-fluid);
}

.hero-stats {
    display: flex;
    gap: clamp(1rem, 3vw, 3rem);
    padding-top: clamp(0.75rem, 2vw, 2rem);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    animation: fadeInUp 1s ease-out 0.6s both;
    flex-wrap: wrap;
    transition: gap var(--transition-fluid);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-primary);
    transition: font-size var(--transition-fluid);
}

.stat-label {
    font-size: var(--text-base);
    color: var(--medium-gray);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease-out;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease, border-radius var(--transition-fluid);
    max-height: clamp(300px, 50vh, 600px);
}

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

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    transition: transform 0.5s ease;
}

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

/* 按钮样式 */
.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    padding: var(--spacing-md) calc(var(--spacing-xl) * 0.67);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 0;
}

.btn-secondary:hover::before {
    left: 0;
    opacity: 0.1;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    text-decoration: none;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 0;
}

.btn-outline:hover::before {
    left: 0;
    opacity: 0.1;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.btn-outline:active {
    transform: translateY(0);
}

/* 通用部分样式 */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    margin-top: 120px;
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们部分样式 */
.about {
    padding: clamp(100px, 20vw, 200px) 0;
    background-color: var(--white);
    margin-top: clamp(20px, 4vw, 60px);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.about .container {
    transform: translateY(-20%);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 40%, 600px), 1fr));
    gap: clamp(1.5rem, 4vw, 4rem);
    align-items: center;
    transition: gap var(--transition-fluid);
}

.about-image {
    position: relative;
    animation: fadeInLeft 1s ease-out;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.about-text {
    animation: fadeInRight 1s ease-out;
}

.about-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
}

.about-description {
    font-size: var(--text-base);
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: clamp(0.5rem, 1.5vw, 1rem);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.feature-icon {
    color: var(--primary-color);
    width: clamp(20px, 3vw, 28px);
    height: clamp(20px, 3vw, 28px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 700;
}

.feature-text {
    font-size: var(--text-sm);
    color: var(--medium-gray);
}

/* 服务部分样式 */
.services {
    padding: var(--spacing-3xl) 0 32px;
    background-color: var(--very-light-gray);
    margin-top: 80px;
}

.services .container {
    transform: translateY(-10%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(250px, 22%, 320px), 1fr));
    gap: clamp(1rem, 2vw, 2rem);
    transition: gap var(--transition-fluid);
}

@media (min-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fluid);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background-color: var(--primary-alpha);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    transition: all var(--transition-normal);
    z-index: 0;
}

.service-card:hover .service-icon {
    background-color: var(--primary-color);
    transform: scale(1.1);
}

.service-card:hover .service-icon::before {
    left: 0;
}

.service-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon img {
    filter: brightness(0) invert(1);
    transform: rotate(15deg);
}

.service-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-fast);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-title {
    color: var(--primary-color);
}

.service-description {
    font-size: var(--text-base);
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.service-link {
    text-decoration: none;
    color: var(--primary-color);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-link {
    transform: translateX(10px);
}

.service-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-fast);
}

.service-card:hover .service-link::after {
    width: 100%;
}

/* 活动专区样式 */
.events {
    padding: var(--spacing-3xl) 0;
    background-color: var(--very-light-gray);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 28%, 400px), 1fr));
    gap: clamp(1rem, 2vw, 2rem);
    transition: gap var(--transition-fluid);
}

@media (min-width: 992px) {
    .events-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.event-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fluid);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.event-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.event-image {
    position: relative;
    overflow: hidden;
    height: clamp(150px, 20vw, 200px);
    background-color: var(--very-light-gray);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: height var(--transition-fluid);
}

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

.event-card:hover .event-image img {
    transform: scale(1.1);
    filter: brightness(1.05);
}

.event-content {
    padding: var(--spacing-xl);
}

.event-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.event-card:hover .event-title {
    color: var(--primary-color);
}

.event-date {
    font-size: var(--text-sm);
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    background-color: var(--primary-alpha);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.event-description {
    font-size: var(--text-sm);
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    transition: color var(--transition-fast);
}

.event-card:hover .event-description {
    color: var(--dark-gray);
}

/* 解决方案部分样式 */
.solutions {
    padding: var(--spacing-3xl) 0;
    background-color: var(--white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 28%, 400px), 1fr));
    gap: clamp(1rem, 2vw, 2rem);
    transition: gap var(--transition-fluid);
}

@media (min-width: 992px) {
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.solution-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fluid);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.solution-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.solution-image {
    position: relative;
    overflow: hidden;
    height: clamp(150px, 20vw, 200px);
    background-color: var(--very-light-gray);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: height var(--transition-fluid);
}

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

.solution-card:hover .solution-image img {
    transform: scale(1.1);
    filter: brightness(1.05);
}

.solution-content {
    padding: var(--spacing-xl);
}

.solution-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.solution-card:hover .solution-title {
    color: var(--primary-color);
}

.solution-description {
    font-size: var(--text-sm);
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    transition: color var(--transition-fast);
}

.solution-card:hover .solution-description {
    color: var(--dark-gray);
}

/* 解决方案详情页样式 */
.solution-detail {
    padding: var(--spacing-3xl) 0;
    background-color: var(--white);
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.feature-item {
    background-color: var(--very-light-gray);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

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

.feature-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    font-size: var(--text-base);
    color: var(--medium-gray);
    line-height: 1.6;
}

.solution-benefits {
    background-color: var(--primary-alpha);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

.benefits-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefits-list li {
    position: relative;
    padding-left: var(--spacing-xl);
    font-size: var(--text-base);
    color: var(--medium-gray);
    line-height: 1.6;
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: var(--text-lg);
}

/* 客户互动专区样式 */
.customer-interaction-section {
    margin-top: var(--spacing-3xl);
}

.interaction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 28%, 400px), 1fr));
    gap: clamp(1rem, 2vw, 2rem);
    transition: gap var(--transition-fluid);
}

@media (min-width: 992px) {
    .interaction-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.interaction-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fluid);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    backdrop-filter: blur(10px);
}

.interaction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.interaction-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-light);
}

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

.interaction-card:hover .image-container img {
    transform: scale(1.1);
    filter: brightness(1.05);
}

.interaction-card:hover .image-container::after {
    opacity: 1;
}

.interaction-card:hover .product-badge {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.interaction-card:hover .product-title {
    color: var(--accent-color);
}

.interaction-card:hover .product-description {
    color: var(--dark-gray);
}

.interaction-card:hover .feature-tag {
    background-color: var(--accent-alpha, rgba(245, 158, 11, 0.1));
    color: var(--accent-color);
    transform: translateY(-2px);
}

.interaction-card:hover .product-buttons {
    gap: var(--spacing-md);
}

/* 产品部分样式 */
.products {
    padding: var(--spacing-3xl) 0;
    background-color: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 25%, 400px), 1fr));
    gap: clamp(1rem, 2vw, 2rem);
    transition: gap var(--transition-fluid);
}

@media (min-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.product-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fluid);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    backdrop-filter: blur(10px);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-light);
}

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

.image-container {
    position: relative;
    overflow: hidden;
    height: clamp(150px, 20vw, 200px);
    transition: height var(--transition-fluid);
}

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

.product-card:hover .image-container img {
    transform: scale(1.1);
    filter: brightness(1.05);
}

.image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 112, 243, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.product-card:hover .image-container::after {
    opacity: 1;
}

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--accent-gradient);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    z-index: 2;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.product-card:hover .product-badge {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.product-content {
    padding: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.product-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.product-card:hover .product-title {
    color: var(--accent-color);
}

.product-description {
    font-size: var(--text-sm);
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    transition: color var(--transition-fast);
}

.product-card:hover .product-description {
    color: var(--dark-gray);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.feature-tag {
    background-color: var(--very-light-gray);
    color: var(--medium-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    transition: all var(--transition-normal);
}

.product-card:hover .feature-tag {
    background-color: var(--accent-alpha, rgba(245, 158, 11, 0.1));
    color: var(--accent-color);
    transform: translateY(-2px);
}

.product-buttons {
    display: flex;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.product-card:hover .product-buttons {
    gap: var(--spacing-md);
}

/* 联系我们部分样式 */
.contact {
    padding: var(--spacing-3xl) 0;
    padding-top: calc(var(--spacing-3xl) + 100px);
    background-color: var(--very-light-gray);
    margin-top: 0;
}

.contact .section-header {
    margin-top: 0;
}

/* 人才招聘部分样式 */
.careers {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f0fe 50%, #f8fafc 100%);
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.careers::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 112, 243, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.careers .container {
    position: relative;
    z-index: 1;
}

.careers .section-header {
    margin-top: 0;
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 10;
}

.careers .section-title {
    font-size: 42px;
    font-weight: 700;
    background: linear-gradient(135deg, #0070f3 0%, #00d4ff 50%, #7b2cbf 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.careers .section-title::before,
.careers .section-title::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #0070f3, transparent);
    top: 50%;
}

.careers .section-title::before {
    left: -60px;
}

.careers .section-title::after {
    right: -60px;
}

.careers .section-subtitle {
    font-size: 18px;
    color: rgba(51, 51, 51, 0.7);
    letter-spacing: 1px;
}

.careers-content {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.job-listings {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.careers-intro {
    background-color: var(--very-light-gray);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.careers-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
}

.careers-description {
    font-size: var(--text-base);
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.benefits-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.benefit-icon {
    background-color: var(--primary-alpha);
    color: var(--primary-color);
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 700;
    margin-top: 2px;
    flex-shrink: 0;
}

.benefit-text {
    font-size: var(--text-base);
    color: var(--medium-gray);
}

.job-listings {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.jobs-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-xl);
    position: relative;
    display: inline-block;
}

.jobs-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.job-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(4px, 0.5vw, 10px);
    margin-top: var(--spacing-3xl);
}

.pagination button {
    background-color: var(--white);
    color: var(--dark-gray);
    border: clamp(1px, 0.2vw, 2px) solid rgba(0, 112, 243, 0.15);
    border-radius: clamp(8px, 1vw, 14px);
    padding: clamp(8px, 1vw, 12px) clamp(12px, 2vw, 20px);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 clamp(1px, 0.15vw, 3px) clamp(4px, 0.5vw, 10px) rgba(0, 0, 0, 0.06);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: clamp(32px, 8vw, 50px);
    min-width: clamp(32px, 8vw, 50px);
}

.pagination button:hover:not(:disabled) {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 112, 243, 0.3);
}

.pagination button.active {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(0, 112, 243, 0.4);
    transform: scale(1.05);
}

.pagination button:disabled {
    background-color: rgba(148, 163, 184, 0.1);
    color: rgba(148, 163, 184, 0.5);
    border-color: rgba(148, 163, 184, 0.2);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.more-products .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-lg);
    font-weight: 600;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    background-color: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    line-height: 1;
    position: relative;
    overflow: hidden;
    gap: var(--spacing-sm);
    transform: translateY(40%);
}

.more-products .btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    transition: left var(--transition-slow);
    z-index: 0;
}

.more-products .btn-outline span {
    position: relative;
    z-index: 1;
}

.more-products .btn-outline:hover {
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(40%) translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-xl);
    z-index: 1;
}

.more-products .btn-outline:hover::before {
    left: 0;
    z-index: -1;
}

.more-products .btn-outline:active {
    transform: translateY(40%);
}

.more-products .btn-outline:hover::after {
    content: '→';
    position: absolute;
    right: 15px;
    transition: right var(--transition-normal);
    animation: arrowMove 0.5s ease-in-out infinite;
}

@keyframes arrowMove {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(5px);
    }
    100% {
        transform: translateX(0);
    }
}

.job-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.job-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.job-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 112, 243, 0.15);
    border-color: var(--primary-light);
}

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

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.job-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--dark-color);
}

.job-salary {
    background: var(--primary-gradient);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--text-sm);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 112, 243, 0.2);
    transition: all var(--transition-normal);
}

.job-info {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.job-location, .job-experience, .job-education {
    background: rgba(100, 116, 139, 0.08);
    color: var(--dark-gray);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: var(--text-xs);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.job-description {
    font-size: var(--text-base);
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.job-skills {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.skill-tag {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    color: var(--dark-gray);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: var(--text-xs);
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.job-card:hover .skill-tag {
    background: var(--primary-gradient);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 112, 243, 0.2);
}

.job-apply {
    display: inline-flex;
    text-decoration: none;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 12px 28px;
    border: none;
    border-radius: 25px;
    font-size: var(--text-base);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 112, 243, 0.3);
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.job-apply::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.job-apply::after {
    content: '→';
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.job-apply:hover::before {
    left: 100%;
}

.job-apply:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 112, 243, 0.4);
    color: var(--white);
}

.job-apply:hover::after {
    transform: translateX(4px);
}

.job-apply:active {
    transform: translateY(-1px) scale(1.02);
}

/* 响应式设计 - 多断点平滑过渡 */
@media (max-width: 1200px) {
    .container {
        max-width: clamp(320px, 95vw, 1200px);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: clamp(1rem, 3vw, 2rem);
    }
}

@media (max-width: 1024px) {
    .careers-content {
        grid-template-columns: 1fr;
    }
    
    .careers-intro {
        order: 2;
    }
    
    .job-listings {
        order: 1;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: clamp(0.75rem, 2vw, 1.5rem);
    }
}

@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: clamp(1rem, 3vw, 2.5rem);
    }
    
    .hero-content {
        max-width: 100%;
        order: 2;
    }
    
    .hero-image {
        order: 1;
        max-height: clamp(250px, 40vw, 400px);
        border-radius: var(--radius-xl);
        margin-bottom: clamp(0.75rem, 2vw, 1.5rem);
    }
    
    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-image {
        width: clamp(50px, 12vw, 80px);
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        border-top: 1px solid rgba(0, 0, 0, 0.05);
        gap: var(--spacing-md);
        z-index: 999;
        max-height: 75vh;
        overflow-y: auto;
    }
    
    .nav-links.active {
        display: flex;
        animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    @keyframes slideIn {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-links .nav-link {
        width: 100%;
        padding: var(--spacing-md) 0;
        text-align: left;
        font-size: var(--text-base);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .nav-links .nav-button {
        width: 100%;
        text-align: center;
        padding: var(--spacing-md);
        margin: var(--spacing-xs) 0;
        min-height: 44px;
        font-size: var(--text-base);
    }
    
    .nav-links .auth-buttons {
        flex-direction: column !important;
        justify-content: center;
        align-items: center;
        gap: clamp(4px, 2vw, 12px);
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }
    
    .nav-links .auth-buttons .nav-button {
        flex: none;
        margin: 0;
        padding: clamp(8px, 2vw, 12px) clamp(16px, 4vw, 24px);
        font-size: clamp(12px, 2.5vw, 14px);
        min-width: clamp(80px, 25vw, 120px);
        max-width: clamp(100px, 30vw, 140px);
        min-height: clamp(36px, 8vh, 44px);
        border-radius: clamp(8px, 2vw, 12px);
    }
    
    .nav-links .consult-btn {
        width: 50%;
        max-width: 200px;
        text-align: center;
        padding: clamp(10px, 2.5vw, 14px) clamp(16px, 4vw, 24px);
        margin: var(--spacing-xs) auto;
        min-height: clamp(40px, 10vh, 48px);
        font-size: clamp(14px, 3vw, 16px);
        flex: none;
        border-radius: clamp(10px, 2.5vw, 14px);
    }
    
    .dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: relative;
        box-shadow: none;
        padding: var(--spacing-sm) var(--spacing-md);
        margin-top: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-toggle {
        position: relative;
        padding-right: 25px !important;
        width: 100%;
        display: inline-block;
        text-decoration: none !important;
        outline: none;
        border-bottom: none !important;
    }
    
    .dropdown-toggle:hover,
    .dropdown-toggle:focus {
        text-decoration: none !important;
        outline: none;
        border-bottom: none !important;
    }
    
    .dropdown-toggle::after {
        content: '▼';
        font-size: 12px;
        transition: transform 0.3s ease;
        position: absolute !important;
        right: 0 !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        margin-left: 0 !important;
        display: inline-block !important;
        vertical-align: middle;
    }
    
    .dropdown.active .dropdown-toggle::after {
        transform: translateY(-50%) rotate(180deg) !important;
    }
    
    .dropdown-item {
        padding: var(--spacing-sm) 0;
        font-size: var(--text-sm);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .auth-buttons {
        width: 100%;
        flex-direction: column;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-md);
    }
    
    .auth-buttons .nav-button {
        width: 100%;
        text-align: center;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .menu-toggle {
        font-size: 24px;
        padding: var(--spacing-sm);
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero {
        padding: calc(var(--spacing-2xl) + 70px) 0 var(--spacing-xl);
        min-height: auto;
    }
    
    .hero .container {
        padding-top: var(--spacing-lg);
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        order: 2;
    }
    
    .hero-image {
        order: 1;
        max-height: clamp(200px, 40vw, 350px);
        border-radius: var(--radius-xl);
        margin-bottom: clamp(0.75rem, 2vw, 1.5rem);
        transition: max-height var(--transition-fluid);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--text-base);
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-md);
        padding-top: var(--spacing-md);
    }
    
    .stat-item {
        align-items: center;
        flex: 1;
        min-width: 120px;
    }
    
    .stat-number {
        font-size: var(--text-2xl);
    }
    
    .stat-label {
        font-size: var(--text-sm);
    }
    
    /* 章节标题优化 */
    .section-header {
        margin-top: var(--spacing-xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .section-subtitle {
        font-size: var(--text-base);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        align-items: center;
    }
    
    .footer-description {
        max-width: 100%;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-beian {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .about {
        padding: var(--spacing-2xl) 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info,
    .contact-form {
        padding: var(--spacing-xl);
    }
    
    .job-cards {
        grid-template-columns: 1fr;
    }
    
    /* 卡片布局优化 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .events-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .interaction-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* 卡片内边距优化 */
    .service-card,
    .product-card,
    .event-card,
    .solution-card,
    .interaction-card {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
    }
    
    .image-container {
        height: 200px;
        border-radius: var(--radius-md);
    }
    
    .product-content {
        padding: var(--spacing-md);
    }
    
    .product-title {
        font-size: var(--text-xl);
    }
    
    .product-description {
        font-size: var(--text-sm);
    }
    
    /* 产品按钮优化 */
    .product-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .product-buttons .btn-secondary,
    .product-buttons .btn-outline {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 表单优化 */
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
        min-height: 44px;
    }
    
    .contact-info,
    .contact-form {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
    }
    
    /* 页脚优化 */
    .footer-content {
        gap: var(--spacing-lg);
    }
    
    .footer-logo-link .logo-image {
        width: 80px;
    }
    
    .footer-description {
        font-size: var(--text-sm);
    }
    
    .footer-social {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .social-icon-container {
        width: auto;
        flex: 1;
        min-width: 70px;
    }
    
    .social-icon {
        width: 52px;
        height: 52px;
        font-size: 20px;
    }
    
    .social-icon-text {
        font-size: 11px;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-nav li a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .footer-bottom {
        gap: var(--spacing-sm);
        padding-top: var(--spacing-md);
    }
    
    .footer-copyright,
    .footer-beian a,
    .footer-legal a {
        font-size: 11px;
    }
    
    /* 按钮优化 */
    .btn-primary,
    .btn-secondary,
    .btn-outline {
        min-height: 44px;
        justify-content: center;
    }
    
    /* 分页优化 */
    .pagination {
        gap: var(--spacing-xs);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination button {
        min-width: 44px;
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }
    
    .more-products .btn-outline {
        width: 100%;
        transform: none;
        margin-top: var(--spacing-md);
    }
    
    .more-products .btn-outline:hover {
        transform: translateY(-2px);
    }
    
    /* 确保移动设备上的触摸目标足够大 */
    button,
    a {
        min-height: 44px;
        min-width: 44px;
    }
}

/* 大屏手机 */
@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .interaction-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-xl);
        min-height: auto;
    }
    
    .hero-image {
        max-height: clamp(180px, 50vw, 300px);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: clamp(0.75rem, 3vw, 1.5rem);
    }
}

/* 小屏移动设备 */
@media (max-width: 480px) {
    :root {
        --text-base: 15px;
        --text-lg: 17px;
    }
    
    .container {
        padding: 0 clamp(0.5rem, 3vw, 1rem);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-sm);
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .stat-number {
        font-size: var(--text-2xl);
    }
    
    .section-title {
        font-size: var(--text-xl);
    }
    
    .about-title {
        font-size: var(--text-xl);
    }
    
    .service-card,
    .product-card,
    .event-card,
    .solution-card {
        padding: var(--spacing-md);
    }
    
    .product-features {
        flex-direction: column;
    }
    
    .product-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        gap: clamp(0.75rem, 4vw, 1.5rem);
    }
    
    .footer-social {
        flex-wrap: wrap;
    }
    
    .social-icon-container {
        width: clamp(42%, 20%, 50%);
    }
    
    .social-icon {
        width: clamp(45px, 12vw, 55px);
        height: clamp(45px, 12vw, 55px);
    }
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 40%, 600px), 1fr));
    gap: clamp(1rem, 3vw, 3rem);
    transition: gap var(--transition-fluid);
}

.contact-info {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fluid);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    backdrop-filter: blur(10px);
}

.contact-info:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-light);
}

.contact-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.contact-description {
    font-size: var(--text-base);
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact-icon {
    font-size: var(--text-xl);
    color: var(--primary-color);
    margin-top: 2px;
}

.contact-text {
    font-size: var(--text-base);
    color: var(--medium-gray);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    background: var(--primary-gradient);
    color: #ffffff;
    width: clamp(40px, 5vw, 52px);
    height: clamp(40px, 5vw, 52px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fluid);
    box-shadow: var(--shadow-sm);
    border: none;
    position: relative;
}

.social-link:hover {
    background: var(--primary-gradient);
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.social-link span {
    position: relative;
    z-index: 1;
    font-weight: 500;
    transition: all var(--transition-fluid);
    font-size: clamp(14px, 1.5vw, 16px);
}

.social-link:hover span {
    transform: scale(1.1);
}

.contact-form {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fluid);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    backdrop-filter: blur(10px);
}

.contact-form:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-light);
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: clamp(0.75rem, 2vw, 1.5rem);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: clamp(0.5rem, 1vw, 0.75rem) clamp(0.75rem, 1.5vw, 1rem);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: inherit;
    transition: all var(--transition-fast);
    background-color: var(--very-light-gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--white);
    box-shadow: 0 0 0 3px var(--primary-alpha);
}

.form-group textarea {
    resize: vertical;
    min-height: clamp(100px, 15vw, 150px);
}

/* 页脚样式 */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-logo-link {
    text-decoration: none;
    color: var(--white);
    font-size: var(--text-2xl);
    font-weight: 700;
    transition: color var(--transition-fast);
}

.footer-logo-link .logo-image {
    width: 100px;
    height: auto;
}

.footer-logo-link:hover {
    color: var(--primary-color);
}

.footer-description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.footer-social::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 112, 243, 0.1), transparent);
    transition: left var(--transition-slow);
    z-index: 0;
}

.footer-social:hover::before {
    left: 100%;
}

.footer-social:hover {
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(0, 112, 243, 0.3);
}

/* 社交图标容器 */
.social-icon-container {
    position: relative;
    z-index: 1;
}

.social-icon {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    color: #ffffff;
    width: 64px;
    height: 64px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* 社交图标图片样式 */
.social-icon img {
    width: 90%;
    height: 90%;
    object-fit: contain;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.social-icon:hover img {
    transform: scale(1.2) rotate(5deg);
}

/* 社交图标文字样式 */
.social-icon-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    width: 22.5%;
    max-width: 80px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-icon-container:hover {
    transform: translateY(-5px);
}

.social-icon-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-xs);
    font-weight: 500;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.social-icon-container:hover .social-icon-text {
    color: var(--primary-light);
    transform: translateY(2px);
}

/* 为每个社交图标文字添加品牌特定颜色 */
.social-icon-container:nth-child(1):hover .social-icon-text {
    color: #07C160;
}

.social-icon-container:nth-child(2):hover .social-icon-text {
    color: #FF0050;
}

.social-icon-container:nth-child(3):hover .social-icon-text {
    color: #4548f9;
}

.social-icon-container:nth-child(4):hover .social-icon-text {
    color: #054be0;
}

/* 图标背景渐变效果 */
.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

/* 图标光晕效果 */
.social-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1), height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

/* 悬停效果 */
.social-icon:hover {
    transform: translateY(-6px) scale(1.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* 职位卡片入场动画 */
@keyframes jobCardFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.job-card {
    animation: jobCardFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.job-card:nth-child(1) { animation-delay: 0.1s; }
.job-card:nth-child(2) { animation-delay: 0.2s; }
.job-card:nth-child(3) { animation-delay: 0.3s; }
.job-card:nth-child(4) { animation-delay: 0.4s; }
.job-card:nth-child(5) { animation-delay: 0.5s; }
.job-card:nth-child(6) { animation-delay: 0.6s; }
.job-card:nth-child(7) { animation-delay: 0.7s; }
.job-card:nth-child(8) { animation-delay: 0.8s; }
.job-card:nth-child(9) { animation-delay: 0.9s; }
.job-card:nth-child(10) { animation-delay: 1s; }
.job-card:nth-child(11) { animation-delay: 1.1s; }
.job-card:nth-child(12) { animation-delay: 1.2s; }
.job-card:nth-child(13) { animation-delay: 1.3s; }
.job-card:nth-child(14) { animation-delay: 1.4s; }

.social-icon:hover::before {
    opacity: 1;
}

.social-icon:hover::after {
    width: 200px;
    height: 200px;
}

/* 图标和文字层级 */
.social-icon span,
.social-icon i {
    position: relative;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-icon:hover span,
.social-icon:hover i {
    transform: scale(1.2) rotate(5deg);
}

/* 图标标签 */
.social-icon-label {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    z-index: 10;
}

.social-icon-label::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid rgba(0, 0, 0, 0.8);
}

.social-icon-container:hover .social-icon-label {
    opacity: 1;
    bottom: -30px;
}

/* 为每个社交图标添加独特的品牌颜色和效果 */
/* 第一个图标 - 微信 */
.social-icon-container:nth-child(1) .social-icon {
    background: linear-gradient(135deg, rgba(0, 196, 65, 0.1) 0%, rgba(0, 196, 65, 0.03) 100%);
    border-color: rgba(0, 196, 65, 0.2);
}

.social-icon-container:nth-child(1) .social-icon::before {
    background: linear-gradient(135deg, #07C160 0%, #05A850 100%);
}

.social-icon-container:nth-child(1) .social-icon:hover {
    box-shadow: 0 15px 30px rgba(0, 196, 65, 0.4);
}

/* 第二个图标 - 抖音 */
.social-icon-container:nth-child(2) .social-icon {
    background: linear-gradient(135deg, rgba(255, 70, 90, 0.1) 0%, rgba(255, 70, 90, 0.03) 100%);
    border-color: rgba(255, 70, 90, 0.2);
}

.social-icon-container:nth-child(2) .social-icon::before {
    background: linear-gradient(135deg, #FF0050 0%, #E60047 100%);
}

.social-icon-container:nth-child(2) .social-icon:hover {
    box-shadow: 0 15px 30px rgba(255, 70, 90, 0.4);
}

/* 第三个图标 - LinkedIn */
.social-icon-container:nth-child(3) .social-icon {
    background: linear-gradient(135deg, rgba(0, 119, 181, 0.1) 0%, rgba(0, 119, 181, 0.03) 100%);
    border-color: rgba(0, 119, 181, 0.2);
}

.social-icon-container:nth-child(3) .social-icon::before {
    background: linear-gradient(135deg, #0077B5 0%, #005A82 100%);
}

.social-icon-container:nth-child(3) .social-icon:hover {
    box-shadow: 0 15px 30px rgba(0, 119, 181, 0.4);
}

/* 第四个图标 - Facebook */
.social-icon-container:nth-child(4) .social-icon {
    background: linear-gradient(135deg, rgba(59, 89, 152, 0.1) 0%, rgba(59, 89, 152, 0.03) 100%);
    border-color: rgba(59, 89, 152, 0.2);
}

.social-icon-container:nth-child(4) .social-icon::before {
    background: linear-gradient(135deg, #3B5998 0%, #2D4373 100%);
}

.social-icon-container:nth-child(4) .social-icon:hover {
    box-shadow: 0 15px 30px rgba(59, 89, 152, 0.4);
}

/* 点击效果 */
.social-icon:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-social {
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .social-icon {
        width: 56px;
        height: 56px;
        font-size: 18px;
    }
}

.footer-heading {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-nav li {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    display: inline-block;
    position: relative;
    padding-left: var(--spacing-sm);
}

.footer-nav li a {
    text-decoration: none;
    color: inherit;
    font-size: inherit;
    transition: all var(--transition-fast);
    display: inline-block;
    position: relative;
    padding-left: 0;
    min-width: 100%;
    white-space: normal;
}

.footer-nav li:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-nav li::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    color: var(--primary-color);
    font-size: var(--text-xs);
}

.footer-nav li:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-nav li a:hover {
    color: var(--primary-color);
    transform: none;
}

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

.footer-copyright {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--text-xs);
    transition: color var(--transition-fast);
}

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

@media (min-width: 769px) {
    .nav-links {
        gap: var(--spacing-xl) !important;
    }
    
    .nav-links .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        margin: calc(-1 * var(--spacing-sm)) calc(-1 * var(--spacing-md));
    }
    
    .nav-links .nav-link.dropdown-toggle {
        margin-right: calc(-1 * var(--spacing-md));
    }
    
    .hero-title {
        white-space: nowrap;
        font-size: clamp(2.5rem, 4vw, 3.5rem);
        max-width: none;
    }
    
    .hero-content {
        max-width: clamp(500px, 60%, 800px);
        min-width: 500px;
    }
    
    .hero-stats {
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: clamp(1.5rem, 4vw, 4rem);
    }
    
    .hero-stats .stat-item {
        flex-shrink: 0;
    }
}

.footer-beian {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

/* 绮帅开放平台文档结构样式 */
.dingtalk-docs {
    padding: 70px 0;
    background-color: var(--white);
}

.docs-layout {
    display: grid;
    grid-template-columns: 210px 1fr 195px;
    gap: var(--spacing-xl);
    align-items: start;
}

/* 左侧导航栏 */
.docs-sidebar {
    position: sticky;
    top: 70px;
    height: calc(100vh - 90px);
    overflow-y: auto;
    border-right: 1px solid rgba(0, 0, 0, 0.05);
    padding-right: var(--spacing-lg);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-category {
    margin-bottom: var(--spacing-sm);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    color: var(--dark-gray);
}

.category-header:hover {
    background-color: var(--primary-alpha);
    color: var(--primary-color);
}

.category-header.active {
    background-color: var(--primary-alpha);
    color: var(--primary-color);
}

.toggle-icon {
    font-size: var(--text-xs);
    transition: transform var(--transition-fast);
}

.category-content {
    padding-left: var(--spacing-lg);
    margin-top: var(--spacing-xs);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subcategory-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.subcategory-item {
    display: block;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--medium-gray);
    text-decoration: none;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.subcategory-item:hover {
    background-color: var(--primary-alpha);
    color: var(--primary-color);
    padding-left: var(--spacing-lg);
}

.subcategory-item.active {
    background-color: transparent;
    color: var(--primary-color);
    font-weight: 500;
}

/* 主内容区 */
.docs-content {
    padding: var(--spacing-3xl) var(--spacing-lg) 0;
}

.content-header {
    margin-bottom: var(--spacing-2xl);
}

.breadcrumb {
    font-size: var(--text-sm);
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
}

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

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

.content-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
}

.content-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.content-card {
    background-color: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.card-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.card-content p {
    line-height: 1.7;
    color: var(--dark-gray);
}

.card-content h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--dark-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* 表格样式 */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    background-color: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.comparison-table th {
    background-color: var(--very-light-gray);
    font-weight: 600;
    color: var(--dark-color);
}

.comparison-table tr:hover {
    background-color: var(--primary-alpha);
}

/* 右侧辅助信息 */
.docs-sidebar-right {
    position: sticky;
    top: 70px;
    height: calc(100vh - 90px);
    overflow-y: auto;
    border-left: 1px solid rgba(0, 0, 0, 0.05);
    padding-left: var(--spacing-lg);
}

.sidebar-module {
    margin-bottom: var(--spacing-2xl);
}

.module-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.toc-list,
.related-links,
.tool-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toc-list a,
.related-links a,
.tool-links a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--medium-gray);
    text-decoration: none;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.toc-list a:hover,
.related-links a:hover,
.tool-links a:hover {
    background-color: var(--primary-alpha);
    color: var(--primary-color);
    padding-left: var(--spacing-md);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .docs-layout {
        grid-template-columns: 180px 1fr 180px;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 1024px) {
    .docs-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .docs-sidebar,
    .docs-sidebar-right {
        position: static;
        height: auto;
        border: none;
        padding: 0;
    }
    
    .docs-sidebar {
        order: 2;
    }
    
    .docs-content {
        order: 1;
    }
    
    .docs-sidebar-right {
        order: 3;
    }
}

.footer-beian a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--text-xs);
    transition: color var(--transition-fast);
}

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

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 响应式设计增强 */
/* 大型桌面设备 */
@media (max-width: 1200px) {
    .container {
        max-width: 95%;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
}

/* 中型桌面设备 */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}



/* 移动设备 */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* 导航栏优化 */
    .navbar .container {
        padding: var(--spacing-sm);
    }
    
    .logo-image {
        width: 50px;
        height: auto;
    }
    
    .menu-toggle {
        font-size: 28px;
        padding: var(--spacing-sm);
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Hero区域优化 */
    .hero {
        padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-xl);
        min-height: auto;
    }
    
    .hero-title {
        font-size: var(--text-2xl);
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: var(--text-sm);
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--text-base);
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-md);
        justify-content: center;
        padding-top: var(--spacing-md);
    }
    
    .stat-item {
        align-items: center;
        flex: 1;
        min-width: 100px;
    }
    
    .stat-number {
        font-size: var(--text-xl);
    }
    
    .stat-label {
        font-size: var(--text-xs);
    }
    
    .hero-image {
        max-height: 250px;
        border-radius: var(--radius-lg);
    }
    
    /* 章节标题优化 */
    .section-header {
        margin-top: var(--spacing-xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--text-xl);
    }
    
    .section-subtitle {
        font-size: var(--text-sm);
    }
    
    /* 卡片布局优化 */
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .events-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .interaction-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* 卡片内边距优化 */
    .service-card,
    .product-card,
    .event-card,
    .solution-card,
    .interaction-card {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
    }
    
    .image-container {
        height: 180px;
        border-radius: var(--radius-md);
    }
    
    .product-content {
        padding: var(--spacing-md);
    }
    
    .product-title {
        font-size: var(--text-lg);
    }
    
    .product-description {
        font-size: var(--text-sm);
    }
    
    /* 产品特性标签优化 */
    .product-features {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .feature-tag {
        font-size: var(--text-xs);
        padding: 4px 10px;
    }
    
    /* 产品按钮优化 */
    .product-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .product-buttons .btn-secondary,
    .product-buttons .btn-outline {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 联系表单优化 */
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info,
    .contact-form {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
    }
    
    .contact-title {
        font-size: var(--text-xl);
    }
    
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    /* 表单优化 */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
        min-height: 44px;
    }
    
    /* 页脚优化 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-logo {
        align-items: center;
    }
    
    .footer-logo-link .logo-image {
        width: 80px;
    }
    
    .footer-description {
        max-width: 100%;
        font-size: var(--text-sm);
    }
    
    .footer-social {
        justify-content: center;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .social-icon-container {
        width: auto;
        flex: 1;
        min-width: 70px;
    }
    
    .social-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .social-icon-text {
        font-size: 11px;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-nav li a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
        padding-top: var(--spacing-md);
    }
    
    .footer-beian {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .footer-copyright,
    .footer-beian a,
    .footer-legal a {
        font-size: 11px;
    }
    
    /* 移动设备上的字体大小调整 */
    :root {
        --text-base: 15px;
        --text-lg: 17px;
        --text-sm: 13px;
        --text-xs: 11px;
    }
    
    /* 优化移动设备上的触摸体验 */
    .btn-primary,
    .btn-secondary,
    .btn-outline {
        width: 100%;
        justify-content: center;
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    /* 分页优化 */
    .pagination {
        gap: var(--spacing-xs);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination button {
        min-width: 44px;
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }
    
    .more-products .btn-outline {
        width: 100%;
        transform: none;
        margin-top: var(--spacing-md);
    }
    
    .more-products .btn-outline:hover {
        transform: translateY(-2px);
    }
    
    /* 导航下拉菜单优化 */
    .nav-links {
        padding: var(--spacing-md);
        max-height: 70vh;
        overflow-y: auto;
    }
    
    .nav-links .nav-link {
        padding: var(--spacing-md) 0;
        font-size: var(--text-base);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .nav-links .nav-button {
        width: 100%;
        padding: var(--spacing-md);
        margin: var(--spacing-xs) 0;
        min-height: 44px;
        font-size: var(--text-base);
    }
    
    .auth-buttons {
        flex-direction: column;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-md);
    }
    
    .dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: relative;
        box-shadow: none;
        padding: var(--spacing-sm) var(--spacing-md);
        margin-top: 0;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .dropdown-item {
        padding: var(--spacing-sm) 0;
        font-size: var(--text-sm);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* 职位卡片优化 */
    .job-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .job-card {
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
    }
    
    .job-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .job-title {
        font-size: var(--text-lg);
    }
    
    .job-salary {
        font-size: var(--text-sm);
        padding: 4px 10px;
    }
    
    .job-info {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .job-location,
    .job-experience,
    .job-education {
        font-size: var(--text-xs);
        padding: 4px 10px;
    }
    
    .job-description {
        font-size: var(--text-sm);
    }
    
    .job-skills {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .skill-tag {
        font-size: var(--text-xs);
        padding: 4px 10px;
    }
    
    .job-apply {
        width: 100%;
        padding: var(--spacing-md);
        font-size: var(--text-base);
        min-height: 44px;
    }
    
    /* 事件卡片优化 */
    .event-image {
        height: 160px;
    }
    
    .event-content {
        padding: var(--spacing-md);
    }
    
    .event-title {
        font-size: var(--text-lg);
    }
    
    .event-date {
        font-size: var(--text-xs);
        padding: 4px 10px;
    }
    
    .event-description {
        font-size: var(--text-sm);
    }
}

/* 横屏移动设备 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 高分辨率屏幕 */
@media (-webkit-device-pixel-ratio: 2), (resolution: 192dpi) {
    /* 优化高分辨率屏幕上的显示效果 */
    .service-icon,
    .social-link {
        transform: translateZ(0);
        backface-visibility: hidden;
    }
}

/* 滚动条样式 - 椭圆形 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--very-light-gray);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: #e5e7eb;
    border-radius: 5px;
    border: 1px solid var(--very-light-gray);
    box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--light-gray);
    box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.2);
}

/* 选择文本样式 */
::selection {
    background-color: var(--primary-alpha);
    color: var(--primary-dark);
}

/* 焦点样式 - 移除导航栏链接的蓝色方框 */
*:focus {
    outline: none;
    outline-offset: 0;
}

/* 为非导航栏元素保留焦点样式，提高可访问性 */
input:focus,
select:focus,
textarea:focus,
button:focus:not(.nav-link):not(.nav-button):not(.menu-toggle) {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 无障碍样式 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .mobile-menu,
    .hero-buttons,
    .footer {
        display: none;
    }
    
    body {
        background-color: var(--white);
        color: var(--dark-color);
    }
}