/*!
 * 五衡祥运 - 全局样式表
 * 森系深绿主题 · 国风轻极简
 * @author Matrix Agent
 */

/* ========================================
   1. CSS变量定义 - 便于后期统一修改
   ======================================== */
:root {
    /* 主色调 - 森系深绿 */
    --color-primary: #286D4C;
    --color-primary-dark: #1E5339;
    --color-primary-light: #3A8A63;
    --color-primary-50: #E8F5EE;
    --color-primary-100: #C5E6D3;
    
    /* 辅助色 - 浅米白 */
    --color-cream: #FAF8F5;
    --color-cream-dark: #F5F2ED;
    
    /* 辅助色 - 柔雾灰 */
    --color-gray-light: #9CA3AF;
    --color-gray: #6B7280;
    --color-gray-dark: #374151;
    
    /* 五衡配色 */
    --color-wood: #4CAF50;
    --color-fire: #E53935;
    --color-earth: #FFA726;
    --color-metal: #90A4AE;
    --color-water: #42A5F5;
    
    /* 功能色 */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;
    
    /* 文字色 */
    --color-text-primary: #1F2937;
    --color-text-secondary: #4B5563;
    --color-text-muted: #9CA3AF;
    --color-text-inverse: #FFFFFF;
    
    /* 背景色 */
    --color-bg: #FFFFFF;
    --color-bg-secondary: #FAF8F5;
    --color-bg-tertiary: #F5F2ED;
    
    /* 间距系统 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* 过渡 */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* 字体 */
    --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-serif: 'Songti SC', 'SimSun', serif;
    
    /* z-index层级 */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;
}

/* ========================================
   2. 基础重置与全局样式
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 链接样式 */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* 图片 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 列表 */
ul, ol {
    list-style: none;
}

/* 按钮重置 */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-height: 44px;
}

/* 输入框重置 */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* 触摸优化 - 所有可交互元素 */
a, button, input, select, textarea, label {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* 禁止用户选择（按钮、标签等） */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

/* 响应式标题 */
@media (max-width: 1200px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.375rem; }
}

@media (max-width: 992px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.625rem; }
    h3 { font-size: 1.25rem; }
}

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.125rem; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1rem; }
}

/* 段落 */
p {
    margin-bottom: var(--spacing-md);
}

p:last-child {
    margin-bottom: 0;
}

/* ========================================
   3. 布局容器
   ======================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-sm {
    max-width: 768px;
}

.container-lg {
    max-width: 1440px;
}

.container-fluid {
    max-width: none;
    padding: 0 var(--spacing-lg);
}

/* 区块间距 */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

.section-lg {
    padding: 5rem 0;
}

/* ========================================
   平板适配 (768px - 1024px)
   ======================================== */
@media (max-width: 1024px) and (min-width: 769px) {
    .container {
        padding: 0 24px;
    }
    
    .section {
        padding: 48px 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .service-card {
        padding: 32px 24px;
    }
    
    .service-card-icon {
        width: 64px;
        height: 64px;
    }
    
    .service-card-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .service-card-title {
        font-size: 1.125rem;
    }
    
    .service-card-desc {
        font-size: 0.875rem;
    }
    
    .product-card-image {
        aspect-ratio: 4/3;
    }
    
    .btn-lg {
        padding: 0.875rem 1.75rem;
        font-size: 15px;
        min-height: 48px;
    }
    
    /* 平板端卡片悬停效果减弱 */
    .card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    
    /* 平板端服务卡片悬停效果减弱 */
    .service-card:hover .service-card-icon {
        transform: scale(1.05);
    }
    
    /* 平板端导航下拉菜单优化 */
    .nav-dropdown-menu {
        min-width: 160px;
    }
    
    /* 平板端Footer两列布局 */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
        text-align: center;
    }
    
    /* 平板端页面头部 */
    .page-header {
        padding-top: 80px !important;
        padding-bottom: 40px !important;
    }
    
    .page-title {
        font-size: 1.75rem !important;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    /* 平板端表单优化 */
    .form-input {
        font-size: 15px;
        min-height: 44px;
        padding: 12px 14px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-label {
        font-size: 0.9375rem;
    }
    
    /* 平板端模态框 */
    .modal {
        width: 90%;
        max-width: 480px;
        border-radius: 20px;
    }
    
    /* 平板端Hero区域 */
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-badge {
        font-size: 0.8125rem;
        padding: 8px 14px;
    }
    
    .hero-actions {
        gap: 16px;
    }
    
    .hero-actions .btn {
        padding: 14px 28px;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    /* 平板端返回顶部按钮 */
    .back-to-top {
        bottom: 24px;
        right: 24px;
        width: 44px;
        height: 44px;
    }
}

/* ========================================
   手机适配 (max-width: 768px)
   ======================================== */
@media (max-width: 768px) {
    .section {
        padding: 32px 0;
    }
    .section-lg {
        padding: var(--spacing-3xl) 0;
    }
}

/* ========================================
   4. 导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    height: 64px;
    box-shadow: var(--shadow-md);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.1em;
}

.logo-slogan {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    position: relative;
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

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

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

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

/* 导航CTA按钮 */
.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* 导航下拉菜单 */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 180px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

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

.nav-dropdown-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.nav-dropdown-item i {
    width: 20px;
    color: var(--color-text-muted);
}

.nav-dropdown-item:hover i {
    color: var(--color-primary);
}

/* VIP徽章 */
.vip-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* 下拉菜单在移动端的响应式处理 */
@media (max-width: 1024px) {
    .nav-dropdown {
        width: 100%;
    }
    
    .nav-dropdown-toggle {
        width: 100%;
        justify-content: space-between;
    }
    
    .nav-dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        padding-left: var(--spacing-lg);
        background: transparent;
        opacity: 1;
        visibility: visible;
        display: none;
        margin-top: var(--spacing-sm);
    }
    
    .nav-dropdown.active .nav-dropdown-menu {
        display: block;
    }
    
    .nav-dropdown-item {
        padding: var(--spacing-md);
    }
}

/* ========================================
   移动端专用样式 (max-width: 1024px)
   ======================================== */
@media (max-width: 1024px) {
    /* 移动端基础优化 */
    html {
        font-size: 15px;
    }
    
    body {
        padding-bottom: 0 !important;
        -webkit-overflow-scrolling: touch;
    }
    
    /* ----------------------------------------
       移动端顶部导航栏
       ---------------------------------------- */
    .navbar {
        height: 56px;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    
    .navbar-inner {
        padding: 0 16px;
    }
    
    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .logo-name {
        font-size: 1rem;
    }
    
    .logo-slogan {
        display: none;
    }
    
    /* 移动端导航用户区域优化 */
    .nav-auth {
        position: absolute;
        right: 60px;
    }
    
    .nav-auth .btn {
        padding: 8px 12px;
        font-size: 14px;
        min-height: 36px;
    }
    
    #nav-auth-user {
        gap: 6px !important;
    }
    
    #nav-auth-user > span:first-child {
        width: 32px !important;
        height: 32px !important;
    }
    
    #nav-auth-user > span:nth-child(2) {
        font-size: 14px;
    }
    
    #nav-auth-user > span:nth-child(3) {
        font-size: 12px;
    }
    
    #nav-auth-user .logout-btn {
        padding: 6px 10px !important;
        font-size: 12px !important;
        min-height: 32px;
    }
    
    /* 隐藏PC端导航菜单 */
    .nav-menu.lg\:flex.hidden {
        display: none !important;
    }
    
    /* ----------------------------------------
       移动端汉堡菜单按钮
       ---------------------------------------- */
    .menu-toggle {
        display: -webkit-box !important;
        display: -ms-flexbox !important;
        display: flex !important;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        -webkit-box-pack: justify;
        justify-content: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
        background: rgba(40, 109, 76, 0.08);
        border: none;
        border-radius: 10px;
        cursor: pointer;
        z-index: 1002;
        position: relative;
        -webkit-transition: all 0.3s ease;
        transition: all 0.3s ease;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 强制显示 - 防止被Tailwind覆盖 */
    button.menu-toggle {
        display: -webkit-box !important;
        display: -ms-flexbox !important;
        display: flex !important;
        visibility: visible !important;
    }
    
    .menu-toggle:hover {
        background: rgba(40, 109, 76, 0.15);
        -webkit-transform: scale(1.05);
        transform: scale(1.05);
    }
    
    .menu-toggle:active {
        -webkit-transform: scale(0.95);
        transform: scale(0.95);
    }
    
    .menu-toggle span {
        display: block !important;
        width: 20px;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
        -webkit-transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        box-shadow: 0 1px 2px rgba(40, 109, 76, 0.2);
    }
    
    .menu-toggle.is-active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
        background: var(--color-primary);
    }
    
    .menu-toggle.is-active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    
    .menu-toggle.is-active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
        background: var(--color-primary);
    }
    
    .menu-toggle.is-active {
        background: var(--color-primary);
    }
    
    .menu-toggle.is-active span {
        background: white;
        box-shadow: none;
    }
    
    /* ----------------------------------------
       移动端全屏抽屉菜单
       ---------------------------------------- */
    .mobile-nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0);
        z-index: 1000;
        pointer-events: none;
        transition: background 0.3s ease;
    }
    
    .mobile-nav-overlay.is-active {
        background: rgba(0, 0, 0, 0.5);
        pointer-events: auto;
    }
    
    .mobile-nav-drawer {
        position: fixed;
        top: 0;
        right: 0;
        width: 85%;
        max-width: 320px;
        height: 100%;
        background: linear-gradient(180deg, #FFFFFF 0%, #F5F9F7 100%);
        z-index: 1001;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        box-shadow: -10px 0 40px rgba(40, 109, 76, 0.15);
    }
    
    .mobile-nav-drawer.is-active {
        transform: translateX(0);
    }
    
    /* 抽屉头部 */
    .mobile-nav-header {
        padding: 20px 20px 16px;
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
        color: white;
        position: relative;
    }
    
    .mobile-nav-header::after {
        content: '';
        position: absolute;
        bottom: -20px;
        left: 0;
        right: 0;
        height: 20px;
        background: linear-gradient(180deg, rgba(40, 109, 76, 0.1) 0%, transparent 100%);
        pointer-events: none;
    }
    
    .mobile-nav-user {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    
    .mobile-nav-avatar {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.25);
        backdrop-filter: blur(10px);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .mobile-nav-user-info {
        flex: 1;
    }
    
    .mobile-nav-user-name {
        font-size: 1.125rem;
        font-weight: 600;
        margin-bottom: 2px;
    }
    
    .mobile-nav-user-desc {
        font-size: 0.8125rem;
        opacity: 0.85;
    }
    
    .mobile-nav-login-btns {
        display: flex;
        gap: 8px;
        margin-top: 12px;
    }
    
    .mobile-nav-login-btn {
        flex: 1;
        padding: 10px 16px;
        border-radius: 22px;
        font-size: 0.875rem;
        font-weight: 500;
        text-align: center;
        transition: all 0.2s;
        cursor: pointer;
        border: none;
    }
    
    .mobile-nav-login-btn.primary {
        background: white;
        color: var(--color-primary);
    }
    
    .mobile-nav-login-btn.ghost {
        background: rgba(255, 255, 255, 0.2);
        color: white;
    }
    
    /* 抽屉内容 */
    .mobile-nav-content {
        padding: 16px 12px;
    }
    
    /* 菜单分组 */
    .mobile-nav-section {
        margin-bottom: 24px;
    }
    
    .mobile-nav-section-title {
        font-size: 0.6875rem;
        font-weight: 600;
        color: var(--color-text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        padding: 0 8px;
        margin-bottom: 8px;
    }
    
    /* 菜单项 */
    .mobile-nav-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 14px 12px;
        border-radius: 14px;
        color: var(--color-text-primary);
        text-decoration: none;
        transition: all 0.25s ease;
        position: relative;
        overflow: hidden;
        min-height: 52px;
        margin: 4px 8px;
    }
    
    .mobile-nav-item:hover {
        background: rgba(40, 109, 76, 0.06);
    }
    
    .mobile-nav-item:active {
        background: var(--color-primary-50);
        transform: scale(0.98);
    }
    
    .mobile-nav-item.active {
        background: var(--color-primary-50);
    }
    
    .mobile-nav-item.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 24px;
        background: var(--color-primary);
        border-radius: 0 4px 4px 0;
    }
    
    .mobile-nav-item-icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.125rem;
        flex-shrink: 0;
        transition: transform 0.25s ease;
    }
    
    .mobile-nav-item:hover .mobile-nav-item-icon {
        transform: scale(1.1);
    }
    
    .mobile-nav-item-icon.home { background: rgba(40, 109, 76, 0.12); color: #286D4C; }
    .mobile-nav-item-icon.service { background: rgba(40, 109, 76, 0.12); color: #286D4C; }
    .mobile-nav-item-icon.shop { background: rgba(245, 158, 11, 0.1); color: #F59E0B; }
    .mobile-nav-item-icon.article { background: rgba(139, 92, 246, 0.1); color: #8B5CF6; }
    .mobile-nav-item-icon.vip { background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%); color: white; }
    .mobile-nav-item-icon.auth { background: rgba(107, 114, 128, 0.1); color: #6B7280; }
    
    .mobile-nav-item-content {
        flex: 1;
        min-width: 0;
    }
    
    .mobile-nav-item-title {
        font-size: 1rem;
        font-weight: 500;
        color: var(--color-text-primary);
        margin-bottom: 2px;
    }
    
    .mobile-nav-item-desc {
        font-size: 0.75rem;
        color: var(--color-text-muted);
    }
    
    .mobile-nav-item-arrow {
        color: var(--color-text-muted);
        font-size: 0.875rem;
        transition: transform 0.25s ease, color 0.25s ease;
    }
    
    .mobile-nav-item:hover .mobile-nav-item-arrow {
        transform: translateX(4px);
        color: var(--color-primary);
    }
    
    .mobile-nav-item:active .mobile-nav-item-arrow {
        transform: translateX(4px);
    }
    
    /* 子菜单 */
    .mobile-nav-submenu {
        margin-left: 54px;
        padding-left: 12px;
        border-left: 2px solid var(--color-primary-100);
        margin-top: 4px;
        margin-bottom: 8px;
    }
    
    .mobile-nav-subitem {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border-radius: 10px;
        color: var(--color-text-secondary);
        font-size: 0.9375rem;
        text-decoration: none;
        transition: all 0.2s;
    }
    
    .mobile-nav-subitem:active {
        background: var(--color-primary-50);
        color: var(--color-primary);
    }
    
    .mobile-nav-subitem i {
        width: 18px;
        text-align: center;
        color: var(--color-text-muted);
    }
    
    /* 底部版权 */
    .mobile-nav-footer {
        padding: 20px;
        text-align: center;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
        margin-top: auto;
    }
    
    .mobile-nav-footer p {
        font-size: 0.75rem;
        color: var(--color-text-muted);
        margin-bottom: 4px;
    }
    
    .mobile-nav-footer-version {
        font-size: 0.6875rem;
        color: var(--color-primary);
    }
    .mobile-nav-item span {
        font-size: 0.625rem;
        font-weight: 500;
    }
    
    .mobile-nav-item.active,
    .mobile-nav-item:hover {
        color: var(--color-primary);
    }
    
    .mobile-nav-item.active i {
        transform: scale(1.1);
    }
    
    /* ----------------------------------------
       移动端Hero区域优化
       ---------------------------------------- */
    .hero {
        min-height: auto;
        padding: 72px 0 100px;
    }
    
    .hero-title {
        font-size: 2rem !important;
        line-height: 1.3;
    }
    
    .hero-desc {
        font-size: 0.9375rem !important;
        line-height: 1.6;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 12px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 32px;
    }
    
    .hero-stat-value {
        font-size: 1.5rem !important;
    }
    
    /* ----------------------------------------
       移动端卡片优化
       ---------------------------------------- */
    .card {
        border-radius: 16px;
        margin-bottom: 16px;
    }
    
    .card:hover {
        transform: none;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .service-card {
        padding: 24px;
        margin-bottom: 16px;
    }
    
    .service-card-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-card-icon svg {
        width: 30px;
        height: 30px;
    }
    
    /* ----------------------------------------
       移动端按钮优化
       ---------------------------------------- */
    .btn {
        min-height: 48px;
        padding: 14px 24px;
        font-size: 16px;
        border-radius: 24px;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    .btn:active {
        transform: scale(0.97);
        opacity: 0.9;
    }
    
    .btn-primary {
        box-shadow: 0 4px 12px rgba(40, 109, 76, 0.3);
    }
    
    /* ----------------------------------------
       移动端表单优化
       ---------------------------------------- */
    .form-input {
        font-size: 16px !important;
        min-height: 52px !important;
        padding: 14px 16px;
        border-radius: 12px;
        -webkit-appearance: none;
    }
    
    .form-label {
        font-size: 0.9375rem;
        font-weight: 500;
        margin-bottom: 8px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    /* ----------------------------------------
       移动端模态框优化
       ---------------------------------------- */
    .modal {
        width: 95% !important;
        max-width: none;
        border-radius: 24px 24px 0 0 !important;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        transform: none !important;
        max-height: 90vh;
    }
    
    .modal.active {
        transform: none !important;
    }
    
    .modal-overlay {
        background: rgba(0, 0, 0, 0.4);
    }
    
    .modal-header {
        padding: 16px 20px;
        border-radius: 24px 24px 0 0;
    }
    
    .modal-body {
        padding: 20px;
        padding-bottom: calc(20px + env(safe-area-inset-bottom, 0));
    }
    
    /* ----------------------------------------
       移动端区块优化
       ---------------------------------------- */
    .section {
        padding: 48px 0;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    /* ----------------------------------------
       移动端图片优化
       ---------------------------------------- */
    .product-card-image {
        aspect-ratio: 1;
    }
    
    /* ----------------------------------------
       移动端Footer优化
       ---------------------------------------- */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 32px;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    /* ----------------------------------------
       移动端返回顶部按钮
       ---------------------------------------- */
    .back-to-top {
        bottom: 80px;
        right: 16px;
        width: 44px;
        height: 44px;
        opacity: 1;
        visibility: visible;
        transform: none;
    }
    
    /* ----------------------------------------
       移动端禁用PC端hover效果
       ---------------------------------------- */
    .nav-link::after {
        display: none !important;
    }
    
    .card:hover {
        box-shadow: var(--shadow-sm);
        transform: none;
    }
    
    /* ----------------------------------------
       移动端手势优化
       ---------------------------------------- */
    * {
        -webkit-tap-highlight-color: rgba(40, 109, 76, 0.1);
    }
    
    a, button {
        -webkit-tap-highlight-color: rgba(40, 109, 76, 0.1);
    }
    
    /* ----------------------------------------
       移动端安全区域处理
       ---------------------------------------- */
    
    /* ----------------------------------------
       移动端页面头部
       ---------------------------------------- */
    .page-header {
        padding-top: 64px !important;
        padding-bottom: 32px !important;
    }
    
    .page-title {
        font-size: 1.5rem !important;
    }
    
    /* ----------------------------------------
       移动端轮播和滑动优化
       ---------------------------------------- */
    .grid {
        gap: 16px;
    }
    
    .hero-stats {
        padding-bottom: 20px;
    }
    
    /* ----------------------------------------
       移动端CTA区域
       ---------------------------------------- */
    .hero-actions {
        padding: 0 8px;
    }
}

/* 删除旧的移动端导航样式，由新的完全替代 */

/* ========================================
   5. 按钮样式
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 主要按钮 */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(40, 109, 76, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 109, 76, 0.4);
}

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

/* 次要按钮 */
.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* 轮廓按钮 */
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

/* 幽灵按钮 */
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background: var(--color-bg-secondary);
    color: var(--color-primary);
}

/* 按钮尺寸 */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 14px;
    min-height: 40px;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 16px;
    min-height: 50px;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 18px;
    min-height: 56px;
}

/* 图标按钮 */
.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ========================================
   6. 卡片组件
   ======================================== */
.card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-body {
    padding: var(--spacing-xl);
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-bg-tertiary);
    background: var(--color-bg-secondary);
}

/* 产品卡片 */
.product-card {
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: var(--color-bg-secondary);
}

.product-card-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

/* 服务卡片 */
.service-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-2xl);
}

.service-card-icon {
    width: 80px;
    height: 80px;
    background: var(--color-primary-50);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
}

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

.service-card-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
    transition: color var(--transition-normal);
}

.service-card:hover .service-card-icon svg {
    color: white;
}

.service-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.service-card-desc {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* ========================================
   7. 表单组件
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-label.required::after {
    content: '*';
    color: var(--color-error);
    margin-left: 4px;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 16px; /* 16px防止iOS自动缩放 */
    border: 2px solid var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    background: white;
    transition: all var(--transition-fast);
    min-height: 48px; /* 确保触摸区域足够大 */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-50);
}

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

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

.form-error {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* 选择框 */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 3rem;
}

/* 复选框 & 单选框 */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-check-input {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background: white;
}

.form-check-input:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M5 13l4 4L19 7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 14px;
}

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

/* 文本域 */
.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ========================================
   8. 弹窗组件
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-bg-tertiary);
}

/* ========================================
   9. Hero区域
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-primary-50) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.hero-title span {
    color: var(--color-primary);
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: var(--spacing-xl);
        flex-wrap: wrap;
    }
    
    .hero-stat-value {
        font-size: 2rem;
    }
}

/* ========================================
   10. 分栏布局
   ======================================== */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Flex工具 */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ========================================
   11. 间距工具
   ======================================== */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.py-section { padding-top: var(--spacing-3xl); padding-bottom: var(--spacing-3xl); }

/* ========================================
   12. 文字工具
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 2rem; }

.leading-tight { line-height: 1.25; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.75; }

/* ========================================
   13. 背景与边框
   ======================================== */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }
.bg-white { background-color: white; }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.border { border: 1px solid var(--color-bg-tertiary); }
.border-2 { border-width: 2px; }
.border-primary { border-color: var(--color-primary); }

/* ========================================
   14. 五衡元素专属样式
   ======================================== */
.wuxing-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.wuxing-wood {
    background: rgba(76, 175, 80, 0.15);
    color: #2E7D32;
}

.wuxing-fire {
    background: rgba(229, 57, 53, 0.15);
    color: #C62828;
}

.wuxing-earth {
    background: rgba(255, 167, 38, 0.15);
    color: #EF6C00;
}

.wuxing-metal {
    background: rgba(144, 164, 174, 0.25);
    color: #546E7A;
}

.wuxing-water {
    background: rgba(66, 165, 245, 0.15);
    color: #1565C0;
}

/* 五衡底色 */
.wuxing-bg-wood {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.2) 0%, rgba(129, 199, 132, 0.1) 100%);
}

.wuxing-bg-fire {
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.2) 0%, rgba(255, 138, 128, 0.1) 100%);
}

.wuxing-bg-earth {
    background: linear-gradient(135deg, rgba(255, 167, 38, 0.2) 0%, rgba(255, 202, 40, 0.1) 100%);
}

.wuxing-bg-metal {
    background: linear-gradient(135deg, rgba(144, 164, 174, 0.3) 0%, rgba(202, 213, 219, 0.2) 100%);
}

.wuxing-bg-water {
    background: linear-gradient(135deg, rgba(66, 165, 245, 0.2) 0%, rgba(128, 203, 255, 0.1) 100%);
}

/* ========================================
   15. 进度条与数据可视化
   ======================================== */
.progress-bar {
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

/* 匹配度仪表 */
.match-gauge {
    position: relative;
    width: 200px;
    height: 200px;
}

.match-gauge-circle {
    fill: none;
    stroke-width: 12;
}

.match-gauge-bg {
    stroke: var(--color-bg-tertiary);
}

.match-gauge-fill {
    stroke: var(--color-primary);
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset 1.5s ease-out;
}

.match-gauge-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.match-gauge-percent {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ========================================
   16. 分步表单
   ======================================== */
.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
}

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

.step-number {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-normal);
}

.step.active .step-number,
.step.completed .step-number {
    background: var(--color-primary);
    color: white;
}

.step-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: none;
}

@media (min-width: 768px) {
    .step-label {
        display: block;
    }
}

.step.completed .step-label,
.step.active .step-label {
    color: var(--color-text-primary);
    font-weight: 500;
}

.step-line {
    width: 40px;
    height: 2px;
    background: var(--color-bg-tertiary);
    transition: background var(--transition-normal);
}

.step.completed + .step-line,
.step-line.active {
    background: var(--color-primary);
}

@media (max-width: 640px) {
    .step-line {
        width: 20px;
    }
}

/* ========================================
   17. 价格卡片
   ======================================== */
.price-card {
    position: relative;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    text-align: center;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

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

.price-card.featured {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.price-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.price-card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.price-amount .currency {
    font-size: 1.5rem;
    vertical-align: super;
}

.price-period {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.price-features {
    margin: var(--spacing-xl) 0;
    text-align: left;
}

.price-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
}

.price-feature svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ========================================
   18. 文章卡片
   ======================================== */
.article-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.article-card-image {
    width: 200px;
    height: 140px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    flex-shrink: 0;
}

.article-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-tags {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.article-card-tag {
    padding: 0.125rem 0.5rem;
    background: var(--color-primary-50);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.article-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.article-card-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    flex: 1;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

@media (max-width: 640px) {
    .article-card {
        flex-direction: column;
    }
    
    .article-card-image {
        width: 100%;
        height: 180px;
    }
}

/* ========================================
   19. 底部导航 (旧版已删除)
   ======================================== */
    
    /* 移动端表单优化 */
    .form-input {
        font-size: 16px; /* 强制16px防止iOS缩放 */
        min-height: 48px;
    }
    
    /* 移动端选择框优化 */
    .form-select {
        font-size: 16px;
        min-height: 48px;
    }
    
    /* 移动端复选框和单选框优化 */
    .form-check-input {
        width: 24px;
        height: 24px;
    }
}

/* ========================================
   20. 返回顶部按钮
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-sticky);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

@media (max-width: 1024px) {
    .back-to-top {
        bottom: 90px;
    }
}

/* ========================================
   21. Footer 底部
   ======================================== */
.footer {
    background: var(--color-text-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

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

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

.footer-logo-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-desc {
    color: var(--color-gray-light);
    line-height: 1.8;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

.footer-link {
    color: var(--color-gray-light);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: white;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-fast);
}

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

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

.footer-copyright {
    color: var(--color-gray-light);
    font-size: 0.875rem;
}

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

.footer-legal a {
    color: var(--color-gray-light);
    font-size: 0.875rem;
}

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

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   22. 动画类
   ======================================== */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

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

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

@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);
    }
}

/* 滚动渐入动画 */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* 延迟类 */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* 加载动画 */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-bg-tertiary);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   23. 工具类
   ======================================== */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }

/* 导航栏用户区域 - 确保同一行 */
#nav-auth-user {
    display: none;
}
#nav-auth-user:not(.hidden) {
    display: flex !important;
    flex-wrap: nowrap !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 8px !important;
    white-space: nowrap !important;
    flex-shrink: 0;
}
#nav-auth-user > * {
    flex-shrink: 0;
}

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 { inset: 0; }
.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }

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

.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }

.pointer-events-none { pointer-events: none; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========================================
   24. 页面特定样式
   ======================================== */

/* 页面标题区 */
.page-header {
    padding-top: calc(72px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-primary-50) 100%);
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .page-header {
        padding-top: calc(72px + var(--spacing-xl));
        padding-bottom: var(--spacing-xl);
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    /* 移动端优化：防止按钮文字被选中 */
    .btn, .nav-link, .mobile-nav-item, .footer-link {
        -webkit-user-select: none;
        -moz-user-select: none;
        user-select: none;
    }
    
    /* 移动端优化：禁止长按弹出菜单 */
    .btn, button {
        -webkit-touch-callout: none;
        user-select: none;
    }
}

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

/* 空状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
}

.empty-state-icon {
    width: 120px;
    height: 120px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.empty-state-icon svg {
    width: 60px;
    height: 60px;
    color: var(--color-text-muted);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.empty-state-desc {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* 会员标识 */
.vip-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #8B4513;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
}

/* 标签 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
}

.tag-primary {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.pagination-btn.active {
    background: var(--color-primary);
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-text-muted);
}

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

.breadcrumb-separator {
    color: var(--color-text-muted);
}

.breadcrumb-current {
    color: var(--color-text-primary);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--color-bg-tertiary);
    margin-bottom: var(--spacing-xl);
}

.tab {
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 500;
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
}

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

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

/* ========================================
   25. 响应式工具
   ======================================== */
@media (min-width: 640px) {
    .sm\:hidden { display: none !important; }
    .sm\:block { display: block !important; }
    .sm\:flex { display: flex !important; }
}

@media (min-width: 768px) {
    .md\:hidden { display: none !important; }
    .md\:block { display: block !important; }
    .md\:flex { display: flex !important; }
}

@media (min-width: 1024px) {
    .lg\:hidden { display: none !important; }
    .lg\:block { display: block !important; }
    .lg\:flex { display: flex !important; }
}

@media (min-width: 1280px) {
    .xl\:hidden { display: none !important; }
    .xl\:block { display: block !important; }
    .xl\:flex { display: flex !important; }
}

/* ========================================
   26. 额外工具类 - 补充 Tailwind 缺失
   ======================================== */

/* 垂直间距 */
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }

/* 图片比例 */
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-auto { aspect-ratio: auto; }

/* 额外间距工具 */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* 最小宽度 */
.min-w-0 { min-width: 0; }
.min-w-full { min-width: 100%; }

/* 最大宽度 */
.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-full { max-width: 100%; }
.max-w-screen { max-width: 100vw; }

/* 高度 */
.h-1 { height: 0.25rem; }
.h-2 { height: 0.5rem; }
.h-3 { height: 0.75rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-14 { height: 3.5rem; }
.h-16 { height: 4rem; }
.h-20 { height: 5rem; }
.h-24 { height: 6rem; }
.h-32 { height: 8rem; }
.h-40 { height: 10rem; }
.h-48 { height: 12rem; }
.h-56 { height: 14rem; }
.h-64 { height: 16rem; }
.h-auto { height: auto; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }

/* 宽度 */
.w-1 { width: 0.25rem; }
.w-2 { width: 0.5rem; }
.w-3 { width: 0.75rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-14 { width: 3.5rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-32 { width: 8rem; }
.w-40 { width: 10rem; }
.w-48 { width: 12rem; }
.w-56 { width: 14rem; }
.w-64 { width: 16rem; }
.w-auto { width: auto; }
.w-full { width: 100%; }
.w-screen { width: 100vw; }
.w-1\/2 { width: 50%; }
.w-1\/3 { width: 33.333333%; }
.w-2\/3 { width: 66.666667%; }
.w-1\/4 { width: 25%; }
.w-3\/4 { width: 75%; }

/* 字体平滑 */
.font-smoothing-antialiased {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   27. 宠物百科弹窗系统
   ======================================== */

/* 模态框背景 */
.wuxing-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.wuxing-modal-overlay.active {
    display: flex;
}

/* 模态框主体 */
.wuxing-modal {
    background: var(--color-bg);
    border-radius: var(--radius-2xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    animation: modalSlideIn 0.3s ease;
}

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

/* 模态框头部 */
.wuxing-modal-header {
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.wuxing-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wuxing-modal-title-icon {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.wuxing-modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 1.25rem;
}

.wuxing-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* 模态框内容区 */
.wuxing-modal-body {
    padding: 1.5rem;
    max-height: calc(90vh - 80px);
    overflow-y: auto;
}

/* 百科分类标题 */
.wuxing-category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-primary-100);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.wuxing-category-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

/* 名词卡片网格 */
.wuxing-cards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: center;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 1100px) {
    .wuxing-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .wuxing-cards-grid {
        grid-template-columns: 1fr;
    }
}

/* 单个名词卡片 */
.wuxing-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--radius-xl);
    padding: 1rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.wuxing-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.wuxing-card-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.wuxing-card-story-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.wuxing-card-story-btn:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
}

.wuxing-card-definition {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* 故事内容区 */
.wuxing-story-section {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.wuxing-story-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.wuxing-story-badge {
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.wuxing-story-content {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    flex: 1;
    overflow-y: auto;
    font-size: 0.9375rem;
}

/* 图片区域 */
.wuxing-image-section {
    display: flex;
    align-items: flex-start;
}

.wuxing-term-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
}

.wuxing-story-content p {
    margin-bottom: 1rem;
    text-indent: 2em;
}

.wuxing-story-content p:last-child {
    margin-bottom: 0;
}

/* 故事配图区 */
.wuxing-story-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.wuxing-story-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary-100);
    transition: all var(--transition-fast);
}

.wuxing-story-image:hover {
    transform: scale(1.05);
    border-color: var(--color-primary);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .wuxing-modal {
        max-height: 95vh;
        border-radius: var(--radius-xl);
    }
    
    .wuxing-modal-body {
        padding: 1rem;
    }
    
    .wuxing-category-title {
        font-size: 1.25rem;
    }
    
    .wuxing-story-content {
        padding: 1rem;
        font-size: 0.875rem;
        max-height: 250px;
    }
    
    .wuxing-story-images {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 滚动条样式 */
.wuxing-modal-body::-webkit-scrollbar,
.wuxing-story-content::-webkit-scrollbar {
    width: 6px;
}

.wuxing-modal-body::-webkit-scrollbar-track,
.wuxing-story-content::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
    border-radius: 3px;
}

.wuxing-modal-body::-webkit-scrollbar-thumb,
.wuxing-story-content::-webkit-scrollbar-thumb {
    background: var(--color-primary-100);
    border-radius: 3px;
}

.wuxing-modal-body::-webkit-scrollbar-thumb:hover,
.wuxing-story-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* ========================================
   28. 文章分类增强样式
   ======================================== */

/* 百科文章入口卡片 */
.wuxing-encyclopedia-card {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-bg) 100%);
    border: 2px solid var(--color-primary-100);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    margin-bottom: 2rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.wuxing-encyclopedia-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.wuxing-encyclopedia-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.wuxing-encyclopedia-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.wuxing-encyclopedia-desc {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.wuxing-encyclopedia-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.wuxing-encyclopedia-stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.wuxing-encyclopedia-stat i {
    color: var(--color-primary);
}

/* 移动端适配 */
@media (max-width: 640px) {
    .wuxing-encyclopedia-card {
        padding: 1.25rem;
    }
    
    .wuxing-encyclopedia-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
    
    .wuxing-encyclopedia-title {
        font-size: 1.25rem;
    }
}

/* ========================================
   终极修复：确保汉堡菜单在移动端显示
   ======================================== */
.menu-toggle,
button.menu-toggle,
#mobile-menu-toggle {
    display: -webkit-box !important;
    display: -ms-flexbox !important;
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* PC端隐藏汉堡按钮 */
@media (min-width: 1024px) {
    .menu-toggle,
    #mobile-menu-toggle {
        display: none !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }
}