/* White Theme Premium UI - 白色主题高颜值设计 */

/* === 白色主题配色系统 === */
:root {
    /* 主要白色系配色 */
    --primary-white: #fcfcfc;
    --off-white: #fdfdfd;
    --warm-white: #fcfcfc;
    --cool-white: #fdfdfd;
    
    /* 渐变色彩 - 基于指定配色的优雅渐变 */
    --gradient-primary: linear-gradient(135deg, #72e3ad 0%, #1e2723 100%);
    --gradient-secondary: linear-gradient(135deg, #fdfdfd 0%, #171717 100%);
    --gradient-success: linear-gradient(135deg, #72e3ad 0%, #1e2723 100%);
    --gradient-warning: linear-gradient(135deg, #ededed 0%, #202020 100%);
    --gradient-danger: linear-gradient(135deg, #ca3214 0%, #fffcfc 100%);
    
    /* 白色主题背景渐变 */
    --gradient-bg-light: linear-gradient(135deg, #fcfcfc 0%, #ededed 100%);
    --gradient-bg-soft: linear-gradient(135deg, #fdfdfd 0%, #fcfcfc 100%);
    --gradient-bg-warm: linear-gradient(135deg, #fcfcfc 0%, #ededed 100%);
    
    /* 文字颜色 */
    --text-primary: #171717;
    --text-secondary: #202020;
    --text-muted: #525252;
    --text-light: #707070;
    --text-accent: #72e3ad;
    --text-success: #10b981;
    --text-warning: #f59e0b;
    --text-danger: #ca3214;
    
    /* 按钮颜色 */
    --btn-primary: #72e3ad;
    --btn-primary-hover: #1e2723;
    --btn-secondary: #ededed;
    --btn-secondary-hover: #202020;
    --btn-success: #10b981;
    --btn-success-hover: #047857;
    --btn-warning: #f59e0b;
    --btn-warning-hover: #b45309;
    --btn-danger: #ca3214;
    --btn-danger-hover: #991b1b;
    
    /* 卡片颜色 */
    --card-bg: #fcfcfc;
    --card-foreground: #171717;
    
    /* 弹出框颜色 */
    --popover-bg: #fcfcfc;
    --popover-foreground: #525252;
    
    /* 边框颜色 */
    --border-color: #dfdfdf;
    --border-color-light: #ededed;
    
    /* 输入框颜色 */
    --input-bg: #f6f6f6;
    
    /* 环形颜色 */
    --ring-color: #72e3ad;
    
    /* 图表颜色 */
    --chart-1: #72e3ad;
    --chart-2: #3b82f6;
    --chart-3: #8b5cf6;
    --chart-4: #f59e0b;
    --chart-5: #10b981;
    
    /* 侧边栏颜色 */
    --sidebar-bg: #fcfcfc;
    --sidebar-foreground: #707070;
    --sidebar-primary: #72e3ad;
    --sidebar-primary-foreground: #1e2723;
    --sidebar-accent: #ededed;
    --sidebar-accent-foreground: #202020;
    --sidebar-border: #dfdfdf;
    --sidebar-ring: #72e3ad;
    
    /* 阴影系统 */
    --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-colored: 0 4px 20px rgba(114, 227, 173, 0.2);
    --shadow-hover: 0 6px 25px rgba(114, 227, 173, 0.3);
    
    /* 圆角系统 */
    --radius-small: 6px;
    --radius-medium: 12px;
    --radius-large: 18px;
    --radius-xl: 24px;
    
    /* 间距系统 */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* 动画时长 */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    
    /* 新增动画效果 */
    --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-spring: cubic-bezier(0.5, 0, 0.5, 1);
    
    /* 增强配色系统 */
    --color-primary: #72e3ad;
    --color-primary-dark: #1e2723;
    --color-secondary: #fdfdfd;
    --color-secondary-dark: #171717;
    --color-accent: #ca3214;
    --color-warning: #f59e0b;
    --color-success: #10b981;
    --color-info: #3b82f6;
    
    /* 透明度变量 */
    --opacity-low: 0.1;
    --opacity-medium: 0.3;
    --opacity-high: 0.6;
    --opacity-full: 0.95;

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-bg-light);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === 白色主题按钮系统 === */
.btn-white-theme {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: 2px solid transparent;
    border-radius: var(--radius-medium);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 48px;
    outline: none;
    background: var(--primary-white);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.btn-white-theme::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 0.6s;
}

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

.btn-primary-white {
    background: var(--primary-white);
    color: var(--btn-primary);
    border-color: var(--btn-primary);
    box-shadow: var(--shadow-colored);
}

.btn-primary-white:hover {
    background: var(--btn-primary);
    color: var(--primary-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(52, 152, 219, 0.4);
}

.btn-secondary-white {
    background: var(--primary-white);
    color: var(--text-secondary);
    border-color: #e1e8ed;
}

.btn-secondary-white:hover {
    background: var(--cool-white);
    border-color: var(--text-muted);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

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

.btn-success-white:hover {
    background: var(--btn-success);
    color: var(--primary-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(46, 204, 113, 0.4);
}

.btn-large-white {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 18px;
    min-height: 56px;
}

/* === 白色主题卡片系统 === */
.card {
    background: var(--primary-white);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.3), transparent);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.card-white-theme {
    background: var(--primary-white);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.card-white-theme::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.3), transparent);
}

.card-white-theme:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.card-header, .card-header-white {
    background: var(--gradient-bg-soft);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-header::before, .card-header-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%2334495e" opacity="0.03"/></svg>');
}

.card-body, .card-body-white {
    padding: var(--space-xl);
    background: var(--primary-white);
}

.card-footer, .card-footer-white {
    background: var(--off-white);
    padding: var(--space-xl);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* === 表单系统 === */
.input-white-theme {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid #e1e8ed;
    border-radius: var(--radius-medium);
    background: var(--primary-white);
    color: var(--text-primary);
    font-size: 16px;
    transition: all var(--transition-normal);
    outline: none;
    box-shadow: var(--shadow-soft);
}

.input-white-theme::placeholder {
    color: var(--text-muted);
}

.input-white-theme:focus {
    border-color: var(--btn-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1), var(--shadow-medium);
    transform: translateY(-1px);
}

/* === 导航系统 === */
.nav-white-theme {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container-white {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-xl);
}

.nav-brand-white {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.nav-brand-white:hover {
    color: var(--btn-primary);
    transform: scale(1.05);
}

.nav-links-white {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link-white {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-small);
    transition: all var(--transition-normal);
    position: relative;
}

.nav-link-white::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--btn-primary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link-white:hover {
    color: var(--btn-primary);
    background: rgba(52, 152, 219, 0.05);
}

.nav-link-white:hover::after {
    width: 100%;
}

.nav-link-white.active {
    color: var(--btn-primary);
    background: rgba(52, 152, 219, 0.1);
}

.nav-link-white.active::after {
    width: 100%;
}

/* === 统计卡片 === */
.stat-card-white {
    background: var(--primary-white);
    border-radius: var(--radius-large);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.stat-card-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.stat-card-white:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.stat-number-white {
    font-size: 32px;
    font-weight: 800;
    color: var(--btn-primary);
    margin-bottom: var(--space-sm);
    display: block;
}

.stat-label-white {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

/* === 特色功能列表 === */
.feature-item-white {
    background: var(--primary-white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-medium);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.feature-item-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.feature-item-white:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-medium);
    background: var(--off-white);
}

.feature-content-white {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.feature-icon-white {
    font-size: 28px;
    color: var(--btn-primary);
    margin-top: var(--space-xs);
}

.feature-text-white {
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-text-white strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* === 公告样式 === */
.announcement-white {
    background: rgba(243, 156, 18, 0.1);
    border: 1px solid rgba(243, 156, 18, 0.2);
    border-radius: var(--radius-medium);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.announcement-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--btn-warning);
}

.announcement-content-white {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-primary);
}

.announcement-icon-white {
    font-size: 24px;
    color: var(--btn-warning);
}

/* === 图库样式 === */
.gallery-item-white {
    background: var(--primary-white);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-normal);
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.gallery-item-white:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.gallery-item-white img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: all var(--transition-normal);
}

.gallery-item-white:hover img {
    transform: scale(1.05);
}

.image-overlay-white {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(44, 62, 80, 0.9));
    color: var(--primary-white);
    padding: var(--space-lg);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.gallery-item-white:hover .image-overlay-white {
    transform: translateY(0);
}

/* === 分页系统 === */
.pagination-white {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    margin: var(--space-2xl) 0;
    flex-wrap: wrap;
}

.pagination-white a,
.pagination-white span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 var(--space-md);
    border-radius: var(--radius-small);
    text-decoration: none;
    color: var(--text-secondary);
    background: var(--primary-white);
    border: 1px solid #e1e8ed;
    transition: all var(--transition-normal);
    font-weight: 500;
    box-shadow: var(--shadow-soft);
}

.pagination-white a:hover {
    color: var(--btn-primary);
    border-color: var(--btn-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.pagination-white a.active {
    background: var(--btn-primary);
    color: var(--primary-white);
    border-color: var(--btn-primary);
    box-shadow: var(--shadow-colored);
}

/* === 分类标签 === */
.category-tabs-white {
    display: flex;
    background: var(--primary-white);
    border-radius: var(--radius-large);
    padding: var(--space-sm);
    box-shadow: var(--shadow-soft);
    overflow-x: auto;
    gap: var(--space-xs);
}

.category-tab-white {
    flex: 0 0 auto;
    padding: var(--space-md) var(--space-lg);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    border-radius: var(--radius-medium);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    white-space: nowrap;
}

.category-tab-white:hover {
    color: var(--btn-primary);
    background: rgba(52, 152, 219, 0.05);
}

.category-tab-white.active {
    color: var(--primary-white);
    background: var(--btn-primary);
    box-shadow: var(--shadow-colored);
}

/* === 模态框 === */
.modal-white {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content-white {
    background: var(--primary-white);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-strong);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-header-white {
    padding: var(--space-xl);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.modal-title-white {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-body-white {
    padding: var(--space-xl);
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal-footer-white {
    padding: var(--space-xl);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* === 动画 === */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

@keyframes modalZoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@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);
    }
}

@keyframes bounceIn {
    from, 20%, 40%, 60%, 80%, to {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
    }
    0% {
        opacity: 0;
        transform: scale3d(.3, .3, .3);
    }
    20% {
        transform: scale3d(1.1, 1.1, 1.1);
    }
    40% {
        transform: scale3d(.9, .9, .9);
    }
    60% {
        opacity: 1;
        transform: scale3d(1.03, 1.03, 1.03);
    }
    80% {
        transform: scale3d(.97, .97, .97);
    }
    to {
        opacity: 1;
        transform: scale3d(1, 1, 1);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

@keyframes slideInUp {
    from {
        transform: translate3d(0, 100%, 0);
        visibility: visible;
    }
    to {
        transform: translate3d(0, 0, 0);
    }
}

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale3d(0.3, 0.3, 0.3);
    }
    50% {
        opacity: 1;
    }
    to {
        transform: scale3d(1, 1, 1);
    }
}

@keyframes flipInX {
    from {
        transform: perspective(400px) rotate3d(1, 0, 0, 90deg);
        opacity: 0;
    }
    40% {
        transform: perspective(400px) rotate3d(1, 0, 0, -20deg);
    }
    60% {
        transform: perspective(400px) rotate3d(1, 0, 0, 10deg);
        opacity: 1;
    }
    80% {
        transform: perspective(400px) rotate3d(1, 0, 0, -5deg);
    }
    to {
        transform: perspective(400px);
    }
}

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

.animate-fade-in {
    animation: fadeIn 0.3s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.4s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.4s ease-out;
}

.animate-bounce-in {
    animation: bounceIn 0.7s ease-out;
}

.animate-pulse {
    animation: pulse 1s infinite;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

.animate-slide-in-up {
    animation: slideInUp 0.3s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out;
}

.animate-zoom-in {
    animation: zoomIn 0.6s ease-out;
}

.animate-flip-in-x {
    animation: flipInX 0.7s ease-out;
    backface-visibility: visible;
}

/* === 响应式设计增强 === */
@media (max-width: 1400px) {
    .container {
        padding: 0 var(--space-xl);
    }
    
    .stats-grid-white {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 1200px) {
    .container {
        padding: 0 var(--space-lg);
    }
    
    .stats-grid-white {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-banner {
        height: 160px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .stats-grid-white {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-container-white {
        flex-direction: column;
        gap: var(--space-lg);
        padding: var(--space-lg);
    }
    
    .nav-links-white {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-md);
    }
    
    .btn-large-white {
        width: 100%;
        justify-content: center;
    }
    
    .category-tabs-white {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-tab-white {
        text-align: center;
        justify-content: center;
    }
    
    .feature-content-white {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-banner {
        height: 140px;
    }
    
    .hero-title {
        font-size: 20px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .stats-grid-white {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .stat-card-white {
        padding: var(--space-lg);
    }
    
    .stat-number-white {
        font-size: 24px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content-white {
        margin: var(--space-md);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .card-timer-widget {
        bottom: 15px;
        right: 15px;
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .timer-content {
        gap: 6px;
    }
    
    .timer-icon {
        font-size: 14px;
    }
}

@media (max-width: 576px) {
    :root {
        --space-xs: 0.125rem;
        --space-sm: 0.25rem;
        --space-md: 0.5rem;
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero-banner {
        height: 120px;
    }
    
    .hero-icon {
        font-size: 32px;
    }
    
    .hero-title {
        font-size: 18px;
    }
    
    .stats-grid-white {
        grid-template-columns: 1fr;
    }
    
    .stat-card-white {
        padding: var(--space-md);
    }
    
    .stat-number-white {
        font-size: 20px;
    }
    
    .stat-label-white {
        font-size: 12px;
    }
    
    .btn-white-theme {
        padding: var(--space-sm) var(--space-md);
        font-size: 14px;
        min-height: 40px;
    }
    
    .btn-large-white {
        padding: var(--space-md) var(--space-lg);
        font-size: 16px;
        min-height: 48px;
    }
    
    .card-header-white {
        padding: var(--space-lg);
    }
    
    .card-body-white {
        padding: var(--space-lg);
    }
    
    .modal-content-white {
        margin: var(--space-sm);
        max-height: 95vh;
    }
    
    .modal-header-white {
        padding: var(--space-lg);
    }
    
    .modal-body-white {
        padding: var(--space-lg);
    }
    
    .modal-footer-white {
        padding: var(--space-lg);
        flex-direction: column;
    }
    
    .modal-footer-white .btn-white-theme {
        width: 100%;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .card-timer-widget {
        bottom: 10px;
        right: 10px;
        padding: 8px 10px;
        font-size: 12px;
        border-radius: var(--radius-small);
    }
    
    .timer-content {
        gap: 4px;
    }
    
    .timer-icon {
        font-size: 12px;
    }
    
    .timer-value {
        min-width: 50px;
    }
}

@media (max-width: 400px) {
    .hero-banner {
        height: 100px;
    }
    
    .hero-icon {
        font-size: 28px;
    }
    
    .hero-title {
        font-size: 16px;
    }
    
    .stat-card-white {
        padding: var(--space-sm);
    }
    
    .stat-number-white {
        font-size: 18px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    
    .card-timer-widget {
        bottom: 8px;
        right: 8px;
        padding: 6px 8px;
        font-size: 11px;
    }
    
    .timer-icon {
        font-size: 10px;
    }
    
    .timer-value {
        min-width: 45px;
    }
}

@media (max-width: 320px) {
    .gallery-grid {
        gap: 4px;
    }
    
    .card-timer-widget {
        bottom: 6px;
        right: 6px;
        padding: 4px 6px;
        font-size: 10px;
    }
    
    .timer-icon {
        font-size: 8px;
    }
    
    .timer-value {
        min-width: 40px;
    }
}

@media (hover: hover) {
    .btn-white-theme:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
    }
    
    .card-white-theme:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-strong);
    }
    
    .stat-card-white:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
    }
    
    .feature-item-white:hover {
        transform: translateX(4px);
        box-shadow: var(--shadow-medium);
    }
    
    .gallery-item-white:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-strong);
    }
    
    .category-tab-white:hover {
        color: var(--btn-primary);
        background: rgba(114, 227, 173, 0.1);
    }
    
    .card-timer-widget:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }
}

@media (hover: none) {
    .btn-white-theme:active {
        transform: translateY(-1px);
        box-shadow: var(--shadow-medium);
    }
    
    .card-white-theme:active {
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
    }
    
    .stat-card-white:active {
        transform: translateY(-1px);
        box-shadow: var(--shadow-medium);
    }
}

/* === 工具类增强 === */
.text-primary-white { color: var(--text-primary); }
.text-secondary-white { color: var(--text-secondary); }
.text-muted-white { color: var(--text-muted); }
.text-accent-white { color: var(--text-accent); }
.text-success-white { color: var(--text-success); }
.text-warning-white { color: var(--text-warning); }
.text-danger-white { color: var(--text-danger); }

.bg-white { background: var(--primary-white); }
.bg-off-white { background: var(--off-white); }
.bg-warm-white { background: var(--warm-white); }
.bg-cool-white { background: var(--cool-white); }
.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-secondary { background: var(--gradient-secondary); }

.shadow-soft-white { box-shadow: var(--shadow-soft); }
.shadow-medium-white { box-shadow: var(--shadow-medium); }
.shadow-strong-white { box-shadow: var(--shadow-strong); }
.shadow-colored-white { box-shadow: var(--shadow-colored); }

.rounded-white { border-radius: var(--radius-medium); }
.rounded-lg-white { border-radius: var(--radius-large); }
.rounded-xl-white { border-radius: var(--radius-xl); }
.rounded-full { border-radius: 50%; }

.transition-all { transition: all var(--transition-normal); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }

.px-xs { padding-left: var(--space-xs); padding-right: var(--space-xs); }
.px-sm { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.px-xl { padding-left: var(--space-xl); padding-right: var(--space-xl); }

.py-xs { padding-top: var(--space-xs); padding-bottom: var(--space-xs); }
.py-sm { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-lg { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.py-xl { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }

.m-xs { margin: var(--space-xs); }
.m-sm { margin: var(--space-sm); }
.m-md { margin: var(--space-md); }
.m-lg { margin: var(--space-lg); }
.m-xl { margin: var(--space-xl); }

.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }