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

/* 移动端缩放支持 */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    -webkit-overflow-scrolling: touch;
    touch-action: manipulation;
}

img, video, canvas, svg {
    max-width: 100%;
    height: auto;
}

/* 允许用户选择文本，除了按钮等交互元素 */
*:not(button):not(.btn):not([role="button"]):not(input):not(select):not(textarea) {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* 交互元素保持原有样式 */
button, .btn, [role="button"], input, select, textarea {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 关于页面移动端背景优化 */
.bg-about-mobile {
    background-attachment: scroll;
}

/* 移动端关于页面背景图片特殊处理 */
@media (max-width: 768px) {
    .bg-about-mobile {
        background-size: contain !important;
        background-position: center !important;
        background-repeat: no-repeat !important;
        min-height: 100vh;
        padding-bottom: 120px; /* 为固定页脚留出更多空间 */
    }
    
    /* 导航栏在移动端保持白色背景 */
    .navbar {
        background-color: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(10px);
        height: 3rem !important; /* 固定导航栏高度 */
    }
    
    .navbar .container {
        height: 100%;
    }
    
    /* 主要内容区域移动端优化 */
    main.container {
        padding-top: 1rem !important;
        padding-bottom: 2rem !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        min-height: calc(100vh - 3rem - 80px) !important; /* 减去导航栏和页脚高度 */
        margin-top: 0 !important;
        background-color: rgba(255, 255, 255, 0.1); /* 半透明白色背景 */
        backdrop-filter: blur(5px);
        border-radius: 0.5rem;
        margin: 1rem;
    }
    
    /* 页脚移动端优化 */
    footer.fixed {
        position: relative !important;
        bottom: auto !important;
        left: 0 !important;
        right: 0 !important;
        background-color: rgba(30, 58, 138, 0.95) !important;
        backdrop-filter: blur(10px);
        padding: 1rem 0 !important;
        margin-top: auto;
        border-radius: 0.5rem 0.5rem 0 0;
        width: 100% !important;
        box-sizing: border-box;
    }
    
    footer .container {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    
    footer p {
        font-size: 0.75rem !important;
        line-height: 1.4 !important;
        margin-bottom: 0.25rem !important;
    }
}

/* 超小屏幕优化 (iPhone SE 等) */
@media (max-width: 375px) {
    .bg-about-mobile {
        padding-bottom: 100px !important;
    }
    
    main.container {
        margin: 0.5rem !important;
        padding: 0.75rem !important;
        min-height: calc(100vh - 3rem - 70px) !important;
    }
    
    footer.fixed {
        padding: 0.75rem 0 !important;
    }
    
    footer p {
        font-size: 0.7rem !important;
    }
}

/* 主要内容区域字体放大 */
section.py-12.bg-white {
    font-size: 1.125rem; /* 比默认大两号 */
}

/* 确保标题也相应放大 */
section.py-12.bg-white h1 {
    font-size: 2.5rem;
}

section.py-12.bg-white h2 {
    font-size: 2rem;
}

section.py-12.bg-white h3 {
    font-size: 1.75rem;
}

section.py-12.bg-white h4 {
    font-size: 1.5rem;
}

section.py-12.bg-white h5 {
    font-size: 1.25rem;
}

section.py-12.bg-white h6 {
    font-size: 1.125rem;
}

/* 轮播图框架居中铺满 */
.bg-white.border.border-gray-200.rounded-sm.overflow-hidden.hover-lift.relative {
    display: block;
    padding: 0;
    margin: 0;
}

.carousel-container {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 16/9;
    max-width: 100%;
    position: relative;
}

.carousel-item {
    width: 100% !important;
    height: 100% !important;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 自定义颜色变量 */
:root {
    --color-primary: #1e40af;
    --color-secondary: #e0f2fe;
    --color-accent: #3b82f6;
    --color-light: #f0f9ff;
    --color-dark: #1e3a8a;
    --color-text-dark: #1e3a8a;
    --color-text-light: #64748b;
    --color-white: #ffffff;
    --color-gray-light: #f1f5f9;
    --color-gray: #e2e8f0;
    --color-gray-dark: #cbd5e1;
    --color-black: #0f172a;
    
    --border-radius-sm: 0.25rem;
    --border-radius-default: 0.375rem;
    
    --box-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --box-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-white);
}

/* 政府官网风格 - 四方和小圆角设计 */
.gc-box {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-gray);
    background-color: var(--color-white);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.gc-button {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.gc-button-primary {
    color: var(--color-white);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.gc-button-outline {
    color: var(--color-primary);
    background-color: transparent;
    border-color: var(--color-primary);
}

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

/* 卡片样式 */
.gc-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.gc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--color-primary);
}

.gc-card-header {
    padding: 1rem;
    border-bottom: 1px solid var(--color-gray);
    background-color: var(--color-gray-light);
}

.gc-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.gc-card-body {
    padding: 1rem;
}

.gc-card-footer {
    padding: 1rem;
    border-top: 1px solid var(--color-gray);
    background-color: var(--color-gray-light);
}

/* 导航栏样式 */
.navbar {
    background-color: var(--color-white);
    box-shadow: var(--box-shadow-sm);
    transition: all var(--transition-normal);
}

.navbar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--border-radius-sm);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: bold;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    position: relative;
    padding: 0.25rem 0;
    margin: 0 1rem;
    color: var(--color-text-light);
    font-weight: 500;
    transition: all var(--transition-normal);
    text-decoration: none;
}

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

.navbar-nav .nav-link.active {
    border-bottom: 2px solid var(--color-primary);
}

/* Hero区域样式 */
.hero-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* 内容区块样式 */
.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 1.5rem;
}

/* 滚动区域样式 */
.scroll-container {
    position: relative;
    overflow: hidden;
}

.scroll-vertical {
    animation: scroll-vertical 20s linear infinite;
}

.scroll-horizontal {
    animation: scroll-horizontal 30s linear infinite;
    display: flex;
    white-space: nowrap;
}

@keyframes scroll-vertical {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}

@keyframes scroll-horizontal {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 响应式布局：在小屏幕上自动调整为单列 */
@media (max-width: 768px) {
    .w-1\/3 {
        width: 100% !important;
        left: 0 !important;
        border-right: none !important;
        border-bottom: 1px solid #e5e7eb;
        height: auto !important;
        min-height: 200px;
    }
}

/* 图片容器样式 */
.image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-sm);
}

/* 轮播图图片样式 */
.carousel-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    margin: 0;
    padding: 0;
    background-color: var(--color-gray);
}

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

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

/* 页脚样式 */
.footer {
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray);
    padding: 2rem 0;
    color: var(--color-text-light);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.footer-link {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

/* 轮播容器定位 */
.carousel-container {
  position: relative;
}

/* 轮播项定位与切换 */
.carousel-item {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.carousel-item.active {
  opacity: 1;
  z-index: 1;
}

/* 图片填充与居中 */
.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

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



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

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

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* 响应式工具类 */
@media (max-width: 768px) {
    .text-lg-mobile {
        font-size: 1.125rem;
    }
    
    .text-xl-mobile {
        font-size: 1.25rem;
    }
    
    .text-2xl-mobile {
        font-size: 1.5rem;
    }
}

/* 辅助类 */
.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-secondary);
}

.text-accent {
    color: var(--color-accent);
}

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

.bg-secondary {
    background-color: var(--color-secondary);
}

.bg-accent {
    background-color: var(--color-accent);
}

.border-primary {
    border-color: var(--color-primary);
}

.border-secondary {
    border-color: var(--color-secondary);
}

.rounded-sm {
    border-radius: var(--border-radius-sm);
}

.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

/* 政府官网风格 - 表单样式 */
.gc-form-group {
    margin-bottom: 1rem;
}

.gc-form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text-dark);
}

.gc-form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text-dark);
    background-color: var(--color-white);
    background-clip: padding-box;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.gc-form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(30, 64, 175, 0.25);
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(30, 64, 175, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s ease-in-out infinite;
}

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

/* 面包屑导航 */
.breadcrumb {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    list-style: none;
    background-color: var(--color-gray-light);
    border-radius: var(--border-radius-sm);
}

.breadcrumb-item {
    display: inline-block;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    padding: 0 0.5rem;
    color: var(--color-text-light);
}

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

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

.breadcrumb-item.active {
    color: var(--color-text-light);
}