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

/* 根变量定义 */
:root {
    /* 颜色变量 */
    --color-primary: #00529B; /* 北理工校蓝 */
    --color-secondary: #E84A27; /* 校红 */
    --color-neutral-100: #FFFFFF; /* 表单/卡片背景 */
    --color-neutral-300: #F5F5F5; /* 页面背景 */
    --color-neutral-600: #333333; /* 正文文字 */
    --color-neutral-800: #1F2937; /* 深色文字 */
    --color-success: #10B981; /* 成功色 */
    --color-error: #EF4444; /* 错误色 */
    --color-warning: #F59E0B; /* 警告色 */
    
    /* 纹理变量 */
    --texture-color: rgba(240, 240, 240, 0.12); /* 浅灰色纹理，透明度12% */
    
    /* 间距变量 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 动画时长 */
    --duration-fast: 0.3s;
    --duration-normal: 0.5s;
    --duration-slow: 0.7s;
    
    /* 动画缓动函数 */
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* 阴影变量 */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 边框圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* 纹理样式 */
.texture {
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* 白色背景带纹理 */
.bg-white-texture {
    background-color: var(--color-neutral-100);
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* 全局样式 */
body {
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'SimHei', sans-serif;
    color: var(--color-neutral-600);
    background-color: var(--color-neutral-300);
    overflow-x: hidden;
    /* 页面淡入效果 */
    opacity: 0;
    animation: fadeIn var(--duration-normal) var(--ease-out) forwards;
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* 页面过渡容器 */
.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: all var(--duration-normal) var(--ease-out);
}

/* 主内容区 */
.main-content {
    flex: 1;
    transition: all var(--duration-normal) var(--ease-out);
}

/* 基础动画定义 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

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

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.95);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg);
    }
    to {
        opacity: 1;
        transform: rotate(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 100% {
        animation-timing-function: var(--ease-in);
        transform: translateY(0);
    }
    50% {
        animation-timing-function: var(--ease-out);
        transform: translateY(-20px);
    }
}

@keyframes elastic {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* 滚动动画类 */
.scroll-animate {
    opacity: 0;
    transition: all var(--duration-normal) var(--ease-out);
}

.scroll-animate.slide-up {
    transform: translateY(30px);
}

.scroll-animate.slide-down {
    transform: translateY(-30px);
}

.scroll-animate.slide-left {
    transform: translateX(30px);
}

.scroll-animate.slide-right {
    transform: translateX(-30px);
}

.scroll-animate.scale-in {
    transform: scale(0.95);
}

.scroll-animate.visible {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* 图片懒加载淡入效果 */
.lazy-image {
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.lazy-image.loaded {
    opacity: 1;
}

/* 导航栏样式 */
.navbar {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--ease-out);
    position: sticky;
    top: 0;
    z-index: 50;
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    backdrop-filter: blur(0px);
}

/* 导航栏滚动效果 */
.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

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

/* 导航链接样式 */
.nav-link {
    position: relative;
    transition: all var(--duration-fast) var(--ease-out);
    color: var(--color-neutral-600);
    text-decoration: none;
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: 0;
    left: 50%;
    background-color: var(--color-secondary);
    transition: all var(--duration-fast) var(--ease-out);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: calc(100% - 2 * var(--spacing-md));
}

/* 下拉菜单样式 */
.dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--duration-fast) var(--ease-out);
    position: absolute;
    background-color: var(--color-neutral-100);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
    z-index: 100;
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

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

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-neutral-600);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
}

.dropdown-menu a:hover {
    background-color: rgba(0, 82, 155, 0.1);
    color: var(--color-primary);
    transform: translateX(5px);
}

/* 移动端菜单按钮 */
.mobile-menu-button {
    transition: all var(--duration-fast) var(--ease-out);
}

.mobile-menu-button:hover {
    transform: rotate(180deg);
}

/* 移动端菜单 */
.mobile-menu {
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--duration-normal) var(--ease-out);
    background-color: var(--color-neutral-100);
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.mobile-menu.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    z-index: 1;
}

.btn::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: all var(--duration-normal) var(--ease-out);
    z-index: -1;
}

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

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-neutral-100);
}

.btn-primary:hover {
    background-color: #004182;
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--color-neutral-100);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-neutral-100);
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background-color: var(--color-secondary);
    color: var(--color-neutral-100);
}

.btn-accent:hover {
    background-color: #C93A20;
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(-1px);
}

/* 卡片样式 */
.card {
    background-color: var(--color-neutral-100);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--ease-out);
    overflow: hidden;
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

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

.card-image img {
    transition: all var(--duration-slow) var(--ease-out);
    width: 100%;
    height: auto;
    display: block;
}

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

/* 标题样式 */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 4px;
    background-color: var(--color-secondary);
    transition: all var(--duration-normal) var(--ease-out);
    border-radius: 2px;
}

.section-title:hover::after {
    width: 100%;
}

/* 分隔线样式 */
.divider {
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    margin: var(--spacing-2xl) 0;
    opacity: 0.5;
}

/* 页脚样式 */
.footer {
    background-color: var(--color-neutral-800);
    color: var(--color-neutral-100);
    transition: all var(--duration-normal) var(--ease-out);
}

.footer a {
    color: var(--color-neutral-100);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
}

.footer a:hover {
    color: var(--color-secondary);
    transform: translateY(-2px);
}

/* 图标样式 */
.icon {
    transition: all var(--duration-fast) var(--ease-out);
}

.icon:hover {
    transform: scale(1.2) rotate(5deg);
    color: var(--color-secondary);
}

/* 表单样式 */
.form-container {
    animation: fadeInUp var(--duration-normal) var(--ease-out);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
    animation: fieldSlideIn var(--duration-normal) var(--ease-out);
}

@keyframes fieldSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }
.form-group:nth-child(6) { animation-delay: 0.6s; }
.form-group:nth-child(7) { animation-delay: 0.7s; }
.form-group:nth-child(8) { animation-delay: 0.8s; }
.form-group:nth-child(9) { animation-delay: 0.9s; }
.form-group:nth-child(10) { animation-delay: 1.0s; }

/* 表单标签浮动效果 */
.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-neutral-600);
    transition: all var(--duration-fast) var(--ease-out);
    position: absolute;
    top: 0.75rem;
    left: 1rem;
    background: var(--color-neutral-100);
    padding: 0 0.25rem;
    pointer-events: none;
    transform: translateY(0);
    font-size: 0.875rem;
    line-height: 1.25rem;
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.form-group.focused .form-label,
.form-group.filled .form-label {
    top: -0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    transform: translateY(-100%);
}

/* 表单输入框样式 */
.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #E2E8F0;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    line-height: 1.25rem;
    transition: all var(--duration-fast) var(--ease-out);
    background: var(--color-neutral-100);
    position: relative;
    z-index: 1;
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 82, 155, 0.2);
    transform: translateY(-2px);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-group.error .form-label {
    color: var(--color-error);
}

/* 错误消息动画 */
.error-message {
    color: var(--color-error);
    font-size: 0.75rem;
    margin-top: 0.25rem;
    transition: all var(--duration-fast) var(--ease-out);
    opacity: 1;
    transform: translateY(0);
    display: none;
}

/* 复选框和单选框样式 */
.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.form-check:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    accent-color: var(--color-primary);
    transition: all var(--duration-fast) var(--ease-out);
}

.form-check-input:hover {
    transform: scale(1.1);
}

/* 加载状态 */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid transparent;
    border-top-color: var(--color-neutral-100);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    animation: modalFadeIn var(--duration-fast) var(--ease-out);
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-neutral-100);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn var(--duration-normal) var(--ease-bounce);
    background-image: 
        linear-gradient(45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--texture-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--texture-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--texture-color) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

@keyframes modalSlideIn {
    from { 
        opacity: 0; 
        transform: translate(-50%, -60%) scale(0.9); 
    }
    to { 
        opacity: 1; 
        transform: translate(-50%, -50%) scale(1); 
    }
}

/* 成功和错误图标动画 */
.modal-icon {
    animation: bounceIn var(--duration-normal) var(--ease-bounce);
}

/* 视频背景样式 */
.video-background {
    position: relative;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.video-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 82, 155, 0.5));
    z-index: 1;
    transition: all var(--duration-normal) var(--ease-out);
}

.video-background:hover::before {
    background: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 82, 155, 0.4));
}

/* 轮播图样式 */
.carousel-item {
    opacity: 0;
    transition: all var(--duration-normal) var(--ease-out);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.carousel-item.active {
    opacity: 1;
    position: relative;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    transition: all var(--duration-fast) var(--ease-out);
    cursor: pointer;
}

.carousel-indicator.active {
    background-color: var(--color-secondary);
    transform: scale(1.2);
}

.carousel-control {
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-out);
    cursor: pointer;
    color: white;
}

.carousel-control:hover {
    background-color: var(--color-primary);
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .modal-content {
        padding: var(--spacing-lg);
    }
}

/* 打印样式 */
@media print {
    body {
        background-color: white;
    }
    
    .navbar,
    .btn,
    .footer {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #003366;
        --color-secondary: #CC0000;
        --color-neutral-600: #000000;
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

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

/* 选择文本样式 */
::selection {
    background-color: var(--color-primary);
    color: var(--color-neutral-100);
}

::-moz-selection {
    background-color: var(--color-primary);
    color: var(--color-neutral-100);
}

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

::-webkit-scrollbar-track {
    background-color: var(--color-neutral-300);
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-primary);
    border-radius: 4px;
    transition: all var(--duration-fast) var(--ease-out);
}

::-webkit-scrollbar-thumb:hover {
    background-color: #004182;
}