/* ========================================
   世界顶级CSS设计 - Huzhou Qiuxing
   年收入1亿美金级别标准
   移动优先 + 完美适配 + 100%符合文档
   
   设计理念：
   - Mobile First（移动优先）
   - iPhone完美适配
   - 奢华品牌感
   - 极致用户体验
   - 完美转化率
======================================== */

/* ========================================
   CSS变量系统 - 严格按照文档 + 移动优化
======================================== */
:root {
    /* 主色系 - 文档规定 */
    --primary-color: #1A3A5C;
    --primary-hover: #0F2B4C;
    --accent-color: #C6A43F;
    --accent-hover: #B39438;
    
    /* 背景色 - 文档规定 */
    --bg-white: #FFFFFF;
    --bg-light: #F5F7FA;
    
    /* 文字色 - 文档规定 */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    
    /* 边框色 */
    --border-color: #E0E4E8;
    
    /* 圆角 - 文档规定6px */
    --radius: 6px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 阴影系统 - 移动端优化 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 28px rgba(0, 0, 0, 0.15);
    
    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 间距 - 移动优先 */
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    
    /* 字体大小 - 移动优先 */
    --font-xs: 12px;
    --font-sm: 14px;
    --font-base: 16px;
    --font-lg: 18px;
    --font-xl: 20px;
    --font-2xl: 24px;
    --font-3xl: 28px;
    --font-4xl: 32px;
    
    /* 触摸目标最小尺寸 */
    --touch-target: 44px;
    
    /* 容器 - 移动优先 */
    --container-mobile: 100%;
    --container-tablet: 720px;
    --container-desktop: 1200px;
    --container-wide: 1400px;
}

/* ========================================
   全局重置 - 移动优先
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    /* iOS Safari优化 */
    -webkit-text-size-adjust: 100%;
    /* 防止横屏时字体缩放 */
    text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-white);
    overflow-x: hidden;
    /* iOS Safari滚动优化 */
    -webkit-overflow-scrolling: touch;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    /* 防止图片拖拽 */
    -webkit-user-drag: none;
    user-select: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    /* 移除iOS默认样式 */
    -webkit-tap-highlight-color: transparent;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    /* 移除iOS默认样式 */
    -webkit-appearance: none;
    appearance: none;
}

input,
textarea,
select {
    font-family: inherit;
    /* 移除iOS默认样式 */
    -webkit-appearance: none;
    appearance: none;
    border-radius: 0;
}

/* 防止iOS输入框放大 */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    font-size: 16px;
}

/* ========================================
   容器系统 - 移动优先
======================================== */
.container {
    width: 100%;
    max-width: var(--container-mobile);
    margin: 0 auto;
    padding: 0 20px;
}

/* 平板 */
@media (min-width: 768px) {
    .container {
        max-width: var(--container-tablet);
        padding: 0 32px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .container {
        max-width: var(--container-desktop);
        padding: 0 40px;
    }
}

/* 大屏 */
@media (min-width: 1440px) {
    .container {
        max-width: var(--container-wide);
        padding: 0 48px;
    }
}

/* ========================================
   页面加载动画 - 移动优化
======================================== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-ring {
    width: 48px;
    height: 48px;
    border: 3px solid var(--bg-light);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loader-text {
    position: absolute;
    bottom: 40%;
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

/* ========================================
   导航栏 - 移动优先设计
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
    /* iOS Safari优化 */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

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

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    /* 确保可点击 */
    min-height: var(--touch-target);
    padding: 8px 0;
}

.logo-icon {
    font-size: 16px;
    color: var(--accent-color);
}

/* 移动端汉堡菜单 */
.mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: var(--touch-target);
    height: var(--touch-target);
    padding: 10px;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 移动端菜单 */
.nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    height: calc(100vh - 64px);
    background: var(--bg-white);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 24px 20px;
    list-style: none;
}

.nav-menu.active {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
}

.nav-menu li {
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    min-height: var(--touch-target);
    padding: 12px 16px;
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--primary-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-link:active {
    background: var(--bg-light);
}

.nav-link.active {
    background: rgba(198, 164, 63, 0.1);
    color: var(--accent-color);
}

.nav-link-cta {
    background: var(--primary-color);
    color: var(--bg-white);
    margin-top: 16px;
    text-align: center;
    justify-content: center;
}

.nav-link-cta:active {
    background: var(--primary-hover);
}

/* 平板及以上 - 桌面导航 */
@media (min-width: 768px) {
    .nav-content {
        height: 80px;
        padding: 0 32px;
    }
    
    .logo {
        font-size: 22px;
    }
    
    .mobile-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        transform: translateX(0);
        height: auto;
        width: auto;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 40px;
        padding: 0;
        overflow: visible;
    }
    
    .nav-menu li {
        margin-bottom: 0;
    }
    
    .nav-link {
        min-height: auto;
        padding: 8px 0;
        font-size: var(--font-base);
        position: relative;
    }
    
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent-color);
        transition: width 0.3s ease;
    }
    
    .nav-link:hover::after,
    .nav-link.active::after {
        width: 100%;
    }
    
    .nav-link:active {
        background: transparent;
    }
    
    .nav-link-cta {
        padding: 10px 24px;
        margin-top: 0;
    }
    
    .nav-link-cta::after {
        display: none;
    }
    
    .nav-link-cta:hover {
        background: var(--accent-color);
        color: var(--primary-color);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
}

@media (min-width: 1024px) {
    .nav-content {
        height: 88px;
        padding: 0 40px;
    }
    
    .logo {
        font-size: 24px;
    }
    
    .nav-menu {
        gap: 48px;
    }
}

/* ========================================
   Hero Section - 移动优先 + 完美适配
======================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    /* iOS Safari地址栏优化 */
    min-height: -webkit-fill-available;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 60px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* 移动端性能优化 */
    will-change: transform;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(198, 164, 63, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(198, 164, 63, 0.08) 0%, transparent 50%);
    /* 移动端禁用动画以提升性能 */
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    padding: 0 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--bg-white);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: var(--font-xs);
    font-weight: 700;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1); 
    }
    50% { 
        opacity: 0.6; 
        transform: scale(1.2); 
    }
}

.hero-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: var(--font-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--bg-white);
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.title-highlight {
    color: var(--accent-color);
    display: inline-block;
}

.hero-subtitle {
    font-size: var(--font-base);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 32px;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 48px;
    padding: 0 20px;
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 0 20px;
}

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

.stat-number {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: var(--font-xs);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.stat-divider {
    display: none;
}

.scroll-indicator {
    display: none;
}

/* 平板 */
@media (min-width: 768px) {
    .hero-section {
        padding: 160px 0 80px;
    }
    
    .hero-pattern {
        animation: patternMove 20s ease-in-out infinite;
    }
    
    @keyframes patternMove {
        0%, 100% { transform: translate(0, 0); }
        50% { transform: translate(20px, 20px); }
    }
    
    .hero-badge {
        font-size: var(--font-sm);
        padding: 12px 24px;
        gap: 10px;
        margin-bottom: 28px;
    }
    
    .badge-dot {
        width: 10px;
        height: 10px;
    }
    
    .hero-title {
        font-size: 48px;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: var(--font-lg);
        margin-bottom: 40px;
        max-width: 600px;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
        gap: 16px;
        margin-bottom: 64px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
        max-width: 800px;
        margin: 0 auto;
    }
    
    .stat-number {
        font-size: 48px;
    }
    
    .stat-label {
        font-size: var(--font-sm);
    }
    
    .stat-divider {
        display: block;
        width: 1px;
        height: 40px;
        background: rgba(255, 255, 255, 0.2);
        margin: 0 auto;
    }
    
    .scroll-indicator {
        display: flex;
        position: absolute;
        bottom: 32px;
        left: 50%;
        transform: translateX(-50%);
        flex-direction: column;
        align-items: center;
        gap: 12px;
        z-index: 2;
    }
    
    .scroll-line {
        width: 2px;
        height: 40px;
        background: linear-gradient(to bottom, var(--accent-color), transparent);
        animation: scrollDown 2s ease-in-out infinite;
    }
    
    @keyframes scrollDown {
        0%, 100% { 
            opacity: 0; 
            transform: translateY(0); 
        }
        50% { 
            opacity: 1; 
            transform: translateY(10px); 
        }
    }
    
    .scroll-text {
        font-size: 11px;
        color: rgba(255, 255, 255, 0.7);
        text-transform: uppercase;
        letter-spacing: 2px;
        font-weight: 600;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .hero-section {
        padding: 180px 0 100px;
    }
    
    .hero-badge {
        margin-bottom: 32px;
    }
    
    .hero-title {
        font-size: 56px;
        margin-bottom: 24px;
    }
    
    .hero-subtitle {
        font-size: var(--font-xl);
        margin-bottom: 48px;
        max-width: 700px;
    }
    
    .hero-buttons {
        gap: 20px;
        margin-bottom: 80px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, auto);
        gap: 60px;
    }
}

/* 大屏 */
@media (min-width: 1440px) {
    .hero-title {
        font-size: 64px;
    }
    
    .hero-subtitle {
        max-width: 800px;
    }
}

/* ========================================
   按钮系统 - 移动优先 + 触摸优化
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: var(--touch-target);
    padding: 14px 28px;
    font-size: var(--font-base);
    font-weight: 700;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    width: 100%;
    /* 防止双击缩放 */
    touch-action: manipulation;
    /* iOS优化 */
    -webkit-tap-highlight-color: transparent;
}

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

.btn-icon {
    position: relative;
    z-index: 1;
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn:active .btn-icon {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--accent-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    background: var(--accent-hover);
    transform: scale(0.98);
}

.btn-secondary {
    background: transparent;
    color: var(--bg-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:active {
    border-color: var(--bg-white);
    background: rgba(255, 255, 255, 0.1);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--border-color);
}

.btn-outline:active {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(198, 164, 63, 0.05);
}

.btn-large {
    padding: 16px 32px;
    font-size: var(--font-lg);
}

/* 平板及以上 - 悬停效果 */
@media (min-width: 768px) {
    .btn {
        width: auto;
    }
    
    .btn::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.2);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
    }
    
    .btn:hover::before {
        width: 300px;
        height: 300px;
    }
    
    .btn:hover .btn-icon {
        transform: translateX(4px);
    }
    
    .btn-primary:hover {
        background: var(--accent-hover);
        transform: translateY(-3px);
        box-shadow: var(--shadow-lg);
    }
    
    .btn-secondary:hover {
        border-color: var(--bg-white);
        background: rgba(255, 255, 255, 0.15);
    }
    
    .btn-outline:hover {
        border-color: var(--accent-color);
        color: var(--accent-color);
    }
    
    .btn:active {
        transform: scale(1);
    }
}

/* ========================================
   Section通用样式 - 移动优先
======================================== */
section {
    padding: 48px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 0 20px;
}

.section-label {
    display: inline-block;
    font-size: var(--font-xs);
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: var(--font-3xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.section-description {
    font-size: var(--font-base);
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-cta {
    text-align: center;
    margin-top: 40px;
    padding: 0 20px;
}

/* 平板 */
@media (min-width: 768px) {
    section {
        padding: 64px 0;
    }
    
    .section-header {
        margin-bottom: 48px;
    }
    
    .section-label {
        font-size: var(--font-sm);
        margin-bottom: 16px;
    }
    
    .section-title {
        font-size: 40px;
        margin-bottom: 16px;
    }
    
    .section-description {
        font-size: var(--font-lg);
    }
    
    .section-cta {
        margin-top: 48px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    section {
        padding: 80px 0;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    .section-title {
        font-size: 48px;
    }
}

/* ========================================
   核心优势区域 - 移动优先
======================================== */
.advantages-section {
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.advantage-card {
    background: var(--bg-white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    /* 触摸反馈 */
    -webkit-tap-highlight-color: transparent;
}

.advantage-card:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-md);
}

.advantage-icon-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.icon-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(198, 164, 63, 0.1), rgba(26, 58, 92, 0.05));
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.advantage-icon {
    position: relative;
    z-index: 1;
    width: 64px;
    height: 64px;
    margin: 8px auto 0;
}

.advantage-title {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.advantage-description {
    font-size: var(--font-sm);
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 平板 */
@media (min-width: 768px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .advantage-card {
        padding: 36px 28px;
    }
    
    .advantage-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-xl);
        border-color: transparent;
    }
    
    .advantage-card:active {
        transform: translateY(-8px) scale(1);
    }
    
    .advantage-icon-wrapper {
        width: 96px;
        height: 96px;
        margin-bottom: 24px;
    }
    
    .icon-bg {
        width: 80px;
        height: 80px;
    }
    
    .advantage-icon {
        width: 72px;
        height: 72px;
        margin-top: 12px;
    }
    
    .advantage-title {
        font-size: var(--font-xl);
        margin-bottom: 12px;
    }
    
    .advantage-description {
        font-size: var(--font-base);
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .advantage-card {
        padding: 40px 30px;
    }
    
    .advantage-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.5s ease;
    }
    
    .advantage-card:hover::before {
        transform: scaleX(1);
    }
    
    .advantage-card:hover .icon-bg {
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* ========================================
   主推产品区域 - 移动优先
======================================== */
.featured-products {
    background: var(--bg-white);
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.product-card:active {
    transform: scale(0.98);
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--bg-light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(26, 58, 92, 0.9), transparent);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
}

.product-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: var(--touch-target);
    padding: 12px 24px;
    background: var(--accent-color);
    color: var(--bg-white);
    border-radius: var(--radius);
    font-size: var(--font-sm);
    font-weight: 700;
    transition: var(--transition);
}

.product-info {
    padding: 20px;
    text-align: center;
}

.product-name {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.product-benefit {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

/* 平板 */
@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        margin-bottom: 48px;
    }
    
    .product-image {
        height: 260px;
    }
    
    .product-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-xl);
        border-color: transparent;
    }
    
    .product-card:hover .product-image img {
        transform: scale(1.1);
    }
    
    .product-card:hover .product-overlay {
        opacity: 1;
        pointer-events: auto;
    }
    
    .product-card:active {
        transform: translateY(-8px) scale(1);
    }
    
    .product-info {
        padding: 24px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        margin-bottom: 60px;
    }
    
    .product-image {
        height: 280px;
    }
    
    .product-card:hover {
        transform: translateY(-10px);
    }
    
    .product-image img {
        transition: transform 0.6s ease;
    }
    
    .product-overlay {
        transition: opacity 0.4s ease;
    }
}

/* ========================================
   关于我们预览 - 移动优先
======================================== */
.about-preview {
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.about-image-col {
    position: relative;
    order: 1;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image {
    width: 100%;
    display: block;
}

.about-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--bg-white);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.badge-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge-number {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

.badge-text {
    font-size: var(--font-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 6px;
}

.about-content-col {
    order: 2;
}

.about-text {
    font-size: var(--font-base);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.factory-highlights {
    margin-bottom: 32px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: var(--font-base);
    color: var(--text-primary);
}

.highlight-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(198, 164, 63, 0.1);
    border-radius: 50%;
}

/* 平板 */
@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }
    
    .about-image-col {
        order: 0;
    }
    
    .about-badge {
        bottom: 30px;
        right: 30px;
        padding: 24px;
        animation: float 3s ease-in-out infinite;
    }
    
    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-10px); }
    }
    
    .badge-number {
        font-size: 48px;
    }
    
    .badge-text {
        font-size: var(--font-sm);
    }
    
    .about-text {
        font-size: var(--font-lg);
        line-height: 1.8;
        margin-bottom: 32px;
    }
    
    .factory-highlights {
        margin-bottom: 40px;
    }
    
    .highlight-item {
        padding: 12px 0;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .about-grid {
        gap: 60px;
    }
}

/* ========================================
   联系区域 - 移动优先
======================================== */
.contact-section {
    background: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.contact-info-col {
    order: 1;
}

.contact-intro {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    min-height: var(--touch-target);
}

.contact-method:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-sm);
}

.method-icon {
    flex-shrink: 0;
}

.method-icon img {
    width: 40px;
    height: 40px;
}

.method-content {
    flex: 1;
}

.method-label {
    display: block;
    font-size: var(--font-xs);
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.method-value {
    display: block;
    font-size: var(--font-base);
    font-weight: 700;
    color: var(--primary-color);
}

.contact-form-col {
    background: var(--bg-light);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    order: 2;
}

.contact-form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: var(--font-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: var(--font-base);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
    font-family: inherit;
    background: var(--bg-white);
    /* iOS优化 */
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(198, 164, 63, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* 平板 */
@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1.5fr;
        gap: 48px;
    }
    
    .contact-info-col {
        order: 0;
    }
    
    .contact-intro {
        font-size: var(--font-lg);
        margin-bottom: 40px;
    }
    
    .contact-methods {
        gap: 20px;
    }
    
    .contact-method {
        padding: 24px;
    }
    
    .contact-method:hover {
        transform: translateX(8px);
        box-shadow: var(--shadow-md);
        border-color: var(--accent-color);
    }
    
    .contact-method:active {
        transform: translateX(8px) scale(1);
    }
    
    .method-icon img {
        width: 48px;
        height: 48px;
    }
    
    .contact-form-col {
        padding: 40px 36px;
    }
    
    .form-group {
        margin-bottom: 24px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .contact-grid {
        gap: 60px;
    }
    
    .contact-form-col {
        padding: 48px;
    }
}

/* ========================================
   页脚 - 移动优先
======================================== */
.footer {
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 48px 0 24px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(198, 164, 63, 0.3), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-brand {
    max-width: 100%;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-xl);
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: var(--font-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 12px;
}

.footer-desc {
    font-size: var(--font-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: var(--touch-target);
    height: var(--touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    transition: var(--transition);
}

.social-link:active {
    background: var(--accent-color);
    transform: scale(0.95);
}

.footer-links-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-heading {
    font-size: var(--font-base);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--bg-white);
}

.footer-link {
    font-size: var(--font-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    display: block;
    padding: 8px 0;
    min-height: var(--touch-target);
    display: flex;
    align-items: center;
}

.footer-link:active {
    color: var(--accent-color);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

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

/* 平板 */
@media (min-width: 768px) {
    .footer {
        padding: 56px 0 28px;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr;
        gap: 48px;
        margin-bottom: 40px;
    }
    
    .footer-brand {
        max-width: 400px;
    }
    
    .footer-logo {
        font-size: var(--font-2xl);
    }
    
    .footer-desc {
        font-size: var(--font-base);
        margin-bottom: 24px;
    }
    
    .social-link:hover {
        background: var(--accent-color);
        transform: translateY(-4px);
    }
    
    .social-link:active {
        transform: translateY(-4px) scale(1);
    }
    
    .footer-link {
        padding: 4px 0;
        min-height: auto;
    }
    
    .footer-link:hover {
        color: var(--accent-color);
        padding-left: 4px;
    }
    
    .footer-bottom {
        padding-top: 28px;
    }
    
    .footer-copyright {
        font-size: var(--font-sm);
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .footer {
        padding: 60px 0 30px;
    }
    
    .footer-content {
        gap: 60px;
        margin-bottom: 50px;
    }
    
    .footer-bottom {
        padding-top: 30px;
    }
}

/* ========================================
   Toast通知 - 移动优化
======================================== */
.toast {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: var(--bg-white);
    color: var(--text-primary);
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    border: 2px solid var(--accent-color);
}

.toast-success {
    border-color: var(--accent-color);
}

.toast-error {
    border-color: #EF4444;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.toast-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: var(--accent-color);
}

.toast-error .toast-icon {
    background: #EF4444;
}

.toast-text {
    font-size: var(--font-sm);
    font-weight: 700;
    flex: 1;
}

/* 平板及以上 */
@media (min-width: 768px) {
    .toast {
        top: 100px;
        bottom: auto;
        right: 30px;
        left: auto;
        max-width: 400px;
        padding: 20px 24px;
        transform: translateX(400px);
    }
    
    .toast.show {
        transform: translateX(0);
    }
    
    .toast-text {
        font-size: var(--font-base);
    }
}

/* ========================================
   返回顶部按钮 - 移动优化
======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: var(--accent-color);
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 触摸优化 */
    touch-action: manipulation;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:active {
    transform: scale(0.9);
}

/* 平板及以上 */
@media (min-width: 768px) {
    .scroll-to-top {
        bottom: 30px;
        right: 30px;
        width: 50px;
        height: 50px;
    }
    
    .scroll-to-top:hover {
        background: var(--accent-hover);
        transform: translateY(-5px);
        box-shadow: var(--shadow-xl);
    }
    
    .scroll-to-top:active {
        transform: translateY(-5px) scale(1);
    }
}

/* ========================================
   页面标题区域 - 移动优先
======================================== */
.page-hero {
    position: relative;
    padding: 120px 0 48px;
    margin-top: 64px;
    overflow: hidden;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.page-breadcrumb {
    display: inline-block;
    font-size: var(--font-xs);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.page-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: var(--font-4xl);
    font-weight: 700;
    color: var(--bg-white);
    margin-bottom: 12px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-subtitle {
    font-size: var(--font-base);
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

/* 平板 */
@media (min-width: 768px) {
    .page-hero {
        padding: 140px 0 60px;
        margin-top: 80px;
    }
    
    .page-breadcrumb {
        font-size: var(--font-sm);
        margin-bottom: 20px;
    }
    
    .page-title {
        font-size: 48px;
        margin-bottom: 16px;
    }
    
    .page-subtitle {
        font-size: var(--font-lg);
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .page-hero {
        padding: 150px 0 70px;
        margin-top: 88px;
    }
    
    .page-title {
        font-size: 56px;
    }
    
    .page-subtitle {
        font-size: var(--font-xl);
    }
}

/* ========================================
   About页面样式 - 移动优先
======================================== */

/* 公司简介区域 */
.about-intro-section-new {
    padding: 48px 0;
    background: var(--bg-white);
}

.intro-wrapper {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

.intro-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(198, 164, 63, 0.1);
    padding: 10px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
    border: 1px solid var(--accent-color);
}

.badge-icon {
    color: var(--accent-color);
    font-size: 16px;
}

.badge-text {
    font-size: var(--font-xs);
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.intro-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: var(--font-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    line-height: 1.2;
}

.intro-text-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.intro-paragraph-new {
    font-size: var(--font-base);
    line-height: 1.7;
    color: var(--text-secondary);
}

/* 平板 */
@media (min-width: 768px) {
    .about-intro-section-new {
        padding: 64px 0;
    }
    
    .intro-wrapper {
        max-width: 900px;
    }
    
    .intro-badge {
        padding: 12px 24px;
        gap: 10px;
        margin-bottom: 24px;
    }
    
    .badge-icon {
        font-size: 18px;
    }
    
    .badge-text {
        font-size: var(--font-sm);
    }
    
    .intro-title {
        font-size: 40px;
        margin-bottom: 32px;
    }
    
    .intro-text-content {
        gap: 20px;
    }
    
    .intro-paragraph-new {
        font-size: var(--font-lg);
        line-height: 1.8;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .about-intro-section-new {
        padding: 70px 0;
    }
    
    .intro-wrapper {
        max-width: 1000px;
    }
    
    .intro-title {
        font-size: 42px;
    }
}

/* Our Partner Factory */
.partner-factory-section-new {
    padding: 48px 0;
    background: var(--bg-light);
}

.factory-content-wrapper {
    margin-top: 40px;
}

.factory-main-image {
    margin-bottom: 32px;
}

.factory-image-container {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 280px;
}

.factory-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.factory-badge-overlay {
    position: absolute;
    bottom: 16px;
    right: 16px;
    z-index: 2;
}

.factory-badge {
    background: var(--bg-white);
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
    border: 2px solid var(--accent-color);
}

.badge-year {
    display: block;
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

.badge-label {
    display: block;
    font-size: var(--font-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 6px;
}

.factory-description {
    text-align: center;
    margin: 0 auto 32px;
}

.factory-desc-text {
    font-size: var(--font-base);
    line-height: 1.7;
    color: var(--text-secondary);
}

.factory-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.feature-card-new {
    background: var(--bg-white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card-new:active {
    transform: scale(0.98);
}

.feature-icon-new {
    margin-bottom: 20px;
}

.feature-icon-new img {
    width: 56px;
    height: 56px;
    margin: 0 auto;
}

.feature-title-new {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-desc-new {
    font-size: var(--font-sm);
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 平板 */
@media (min-width: 768px) {
    .partner-factory-section-new {
        padding: 64px 0;
    }
    
    .factory-content-wrapper {
        margin-top: 48px;
    }
    
    .factory-main-image {
        margin-bottom: 40px;
    }
    
    .factory-image-container {
        height: 400px;
    }
    
    .factory-badge-overlay {
        bottom: 24px;
        right: 24px;
    }
    
    .factory-badge {
        padding: 20px 28px;
    }
    
    .badge-year {
        font-size: 44px;
    }
    
    .badge-label {
        font-size: var(--font-sm);
        margin-top: 8px;
    }
    
    .factory-description {
        max-width: 800px;
        margin-bottom: 40px;
    }
    
    .factory-desc-text {
        font-size: var(--font-lg);
        line-height: 1.8;
    }
    
    .factory-features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    
    .feature-card-new {
        padding: 36px 28px;
    }
    
    .feature-card-new:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-xl);
        border-color: var(--accent-color);
    }
    
    .feature-card-new:active {
        transform: translateY(-8px) scale(1);
    }
    
    .feature-icon-new {
        margin-bottom: 24px;
    }
    
    .feature-icon-new img {
        width: 64px;
        height: 64px;
    }
    
    .feature-title-new {
        font-size: var(--font-xl);
        margin-bottom: 12px;
    }
    
    .feature-desc-new {
        font-size: var(--font-base);
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .partner-factory-section-new {
        padding: 70px 0;
    }
    
    .factory-content-wrapper {
        margin-top: 60px;
    }
    
    .factory-image-container {
        height: 500px;
    }
    
    .factory-badge-overlay {
        bottom: 30px;
        right: 30px;
    }
    
    .factory-badge {
        padding: 24px 32px;
    }
    
    .badge-year {
        font-size: 48px;
    }
    
    .factory-description {
        max-width: 900px;
        margin-bottom: 50px;
    }
    
    .feature-card-new {
        padding: 40px 30px;
    }
}

/* ========================================
   Certifications - 移动优先
======================================== */
.certifications-section-new {
    padding: 48px 0;
    background: var(--bg-white);
}

.certifications-grid-new {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
}

.cert-card-new {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.cert-card-new:active {
    transform: scale(0.98);
}

.cert-image-box {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--bg-light);
}

.cert-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(26, 58, 92, 0.8) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
}

.cert-icon {
    background: var(--bg-white);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--accent-color);
}

.cert-icon img {
    width: 48px;
    height: 48px;
}

.cert-info {
    padding: 24px;
}

.cert-title-new {
    font-size: var(--font-xl);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.cert-list-new {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cert-list-new li {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
}

.cert-list-new li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 16px;
}

/* 平板 */
@media (min-width: 768px) {
    .certifications-section-new {
        padding: 64px 0;
    }
    
    .certifications-grid-new {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
        margin-top: 48px;
    }
    
    .cert-card-new:hover {
        transform: translateY(-10px);
        box-shadow: var(--shadow-xl);
        border-color: var(--accent-color);
    }
    
    .cert-card-new:active {
        transform: translateY(-10px) scale(1);
    }
    
    .cert-image-box {
        height: 300px;
    }
    
    .cert-img {
        transition: transform 0.6s ease;
    }
    
    .cert-card-new:hover .cert-img {
        transform: scale(1.1);
    }
    
    .cert-card-new:hover .cert-overlay {
        opacity: 1;
        pointer-events: auto;
    }
    
    .cert-overlay {
        transition: opacity 0.4s ease;
        padding: 30px;
    }
    
    .cert-icon {
        width: 80px;
        height: 80px;
    }
    
    .cert-icon img {
        width: 56px;
        height: 56px;
    }
    
    .cert-info {
        padding: 28px;
    }
    
    .cert-title-new {
        font-size: var(--font-2xl);
        margin-bottom: 20px;
    }
    
    .cert-list-new {
        gap: 12px;
    }
    
    .cert-list-new li {
        font-size: var(--font-base);
        padding-left: 28px;
    }
    
    .cert-list-new li::before {
        font-size: 18px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .certifications-section-new {
        padding: 70px 0;
    }
    
    .certifications-grid-new {
        margin-top: 60px;
    }
    
    .cert-image-box {
        height: 320px;
    }
    
    .cert-info {
        padding: 32px;
    }
}

/* ========================================
   Global Experience - 移动优先
======================================== */
.global-experience-section-new {
    padding: 48px 0;
    background: var(--bg-light);
}

.markets-container {
    margin-top: 40px;
}

.markets-grid-new {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

.market-card-new {
    background: var(--bg-white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.market-card-new:active {
    transform: scale(0.98);
    border-color: var(--accent-color);
}

.market-flag {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.market-name-new {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.market-desc-new {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.global-stats-card {
    background: var(--primary-color);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.stat-item-new {
    text-align: center;
}

.stat-number-new {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 44px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label-new {
    font-size: var(--font-xs);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.stat-divider-new {
    width: 60px;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

/* 平板 */
@media (min-width: 768px) {
    .global-experience-section-new {
        padding: 64px 0;
    }
    
    .markets-container {
        margin-top: 48px;
    }
    
    .markets-grid-new {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-bottom: 40px;
    }
    
    .market-card-new {
        padding: 36px 28px;
    }
    
    .market-card-new:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
        border-color: var(--accent-color);
    }
    
    .market-card-new:active {
        transform: translateY(-8px) scale(1);
    }
    
    .market-flag {
        font-size: 52px;
        margin-bottom: 20px;
    }
    
    .market-name-new {
        font-size: var(--font-xl);
        margin-bottom: 12px;
    }
    
    .market-desc-new {
        font-size: var(--font-base);
    }
    
    .global-stats-card {
        flex-direction: row;
        justify-content: center;
        padding: 40px 32px;
        gap: 40px;
    }
    
    .stat-number-new {
        font-size: 52px;
    }
    
    .stat-label-new {
        font-size: var(--font-sm);
    }
    
    .stat-divider-new {
        width: 1px;
        height: 60px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .global-experience-section-new {
        padding: 70px 0;
    }
    
    .markets-container {
        margin-top: 60px;
    }
    
    .markets-grid-new {
        grid-template-columns: repeat(4, 1fr);
        margin-bottom: 50px;
    }
    
    .market-card-new {
        padding: 40px 30px;
    }
    
    .market-flag {
        font-size: 56px;
    }
    
    .global-stats-card {
        padding: 50px 40px;
        gap: 60px;
    }
    
    .stat-number-new {
        font-size: 56px;
    }
}

/* ========================================
   Why Choose Us - 移动优先
======================================== */
.why-choose-section-new {
    padding: 48px 0;
    background: var(--bg-white);
}

.why-grid-new {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 40px;
}

.why-card-new {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 16px;
}

.why-card-new:active {
    transform: scale(0.98);
    border-color: var(--accent-color);
}

.why-number-new {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--accent-color);
    opacity: 0.3;
    line-height: 1;
}

.why-content {
    flex: 1;
}

.why-title-new {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.why-desc-new {
    font-size: var(--font-sm);
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 平板 */
@media (min-width: 768px) {
    .why-choose-section-new {
        padding: 64px 0;
    }
    
    .why-grid-new {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-top: 48px;
    }
    
    .why-card-new {
        flex-direction: row;
        text-align: left;
        padding: 28px;
        gap: 20px;
    }
    
    .why-card-new:hover {
        transform: translateX(8px);
        box-shadow: var(--shadow-lg);
        border-color: var(--accent-color);
        background: var(--bg-white);
    }
    
    .why-card-new:hover .why-number-new {
        opacity: 1;
    }
    
    .why-card-new:active {
        transform: translateX(8px) scale(1);
    }
    
    .why-number-new {
        font-size: 44px;
        flex-shrink: 0;
    }
    
    .why-title-new {
        font-size: var(--font-xl);
    }
    
    .why-desc-new {
        font-size: var(--font-base);
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .why-choose-section-new {
        padding: 70px 0;
    }
    
    .why-grid-new {
        margin-top: 60px;
    }
    
    .why-card-new {
        padding: 32px;
        gap: 24px;
    }
    
    .why-number-new {
        font-size: 48px;
    }
}

/* ========================================
   Factory Visit - 移动优先
======================================== */
.visit-section-new {
    padding: 48px 0;
    background: var(--bg-light);
}

.visit-card-new {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    background: var(--bg-white);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.visit-content-new {
    order: 2;
}

.visit-text-new {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.visit-image-new {
    position: relative;
    order: 1;
}

.visit-img-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 280px;
}

.visit-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* 平板 */
@media (min-width: 768px) {
    .visit-section-new {
        padding: 64px 0;
    }
    
    .visit-card-new {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
        padding: 48px 36px;
    }
    
    .visit-content-new {
        order: 0;
    }
    
    .visit-text-new {
        font-size: var(--font-lg);
        line-height: 1.8;
        margin-bottom: 32px;
    }
    
    .visit-img-container {
        height: 350px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .visit-section-new {
        padding: 70px 0;
    }
    
    .visit-card-new {
        gap: 60px;
        padding: 60px;
    }
    
    .visit-img-container {
        height: 400px;
    }
}

/* ========================================
   产品页面样式 - 移动优先
======================================== */
.products-section {
    padding: 48px 0;
}

.product-tabs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
}

.tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: var(--touch-target);
    padding: 14px 24px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-base);
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    touch-action: manipulation;
}

.tab-btn:active {
    transform: scale(0.98);
    border-color: var(--accent-color);
}

.tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-white);
}

.tab-icon {
    font-size: 22px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

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

.series-intro {
    text-align: center;
    margin: 0 auto 32px;
}

.series-description {
    font-size: var(--font-base);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.6;
}

.product-details-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-detail-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    background: var(--bg-white);
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.product-detail-card:active {
    transform: scale(0.98);
}

.product-detail-number {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
    opacity: 0.3;
    line-height: 1;
}

.product-detail-content {
    flex: 1;
}

.product-detail-name {
    font-size: var(--font-xl);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.product-specs-grid {
    display: grid;
    gap: 12px;
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-size: var(--font-xs);
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spec-value {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.product-detail-action {
    margin-top: 16px;
}

/* Herbal Grid */
.herbal-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.herbal-card {
    background: var(--bg-white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.herbal-card:active {
    transform: scale(0.98);
}

.herbal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.herbal-number {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-color);
    opacity: 0.2;
    margin-bottom: 12px;
}

.herbal-name {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.herbal-benefit {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.herbal-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-sm);
    font-weight: 700;
    color: var(--accent-color);
    transition: var(--transition);
}

/* 平板 */
@media (min-width: 768px) {
    .products-section {
        padding: 64px 0;
    }
    
    .product-tabs {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 48px;
    }
    
    .tab-btn {
        width: auto;
        padding: 16px 32px;
    }
    
    .tab-btn:hover {
        border-color: var(--accent-color);
        color: var(--accent-color);
        transform: translateY(-2px);
    }
    
    .tab-btn:active {
        transform: translateY(-2px) scale(1);
    }
    
    .tab-icon {
        font-size: 24px;
    }
    
    .series-intro {
        max-width: 700px;
        margin-bottom: 48px;
    }
    
    .series-description {
        font-size: var(--font-lg);
    }
    
    .product-details-list {
        gap: 24px;
    }
    
    .product-detail-card {
        grid-template-columns: auto 1fr auto;
        gap: 32px;
        padding: 32px;
        text-align: left;
    }
    
    .product-detail-card:hover {
        box-shadow: var(--shadow-xl);
        border-color: var(--accent-color);
        transform: translateX(10px);
    }
    
    .product-detail-card:hover .product-detail-number {
        opacity: 1;
    }
    
    .product-detail-card:active {
        transform: translateX(10px) scale(1);
    }
    
    .product-detail-number {
        font-size: 44px;
    }
    
    .product-detail-name {
        font-size: var(--font-2xl);
        margin-bottom: 24px;
    }
    
    .product-specs-grid {
        gap: 16px;
    }
    
    .spec-item {
        flex-direction: row;
        align-items: baseline;
        gap: 12px;
    }
    
    .spec-label {
        font-size: var(--font-sm);
        min-width: 140px;
    }
    
    .spec-value {
        font-size: var(--font-base);
    }
    
    .product-detail-action {
        margin-top: 0;
    }
    
    .herbal-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .herbal-card {
        padding: 36px 28px;
    }
    
    .herbal-card:hover {
        transform: translateY(-10px);
        box-shadow: var(--shadow-xl);
        border-color: var(--accent-color);
    }
    
    .herbal-card:hover::before {
        transform: scaleX(1);
    }
    
    .herbal-card:hover .herbal-number {
        opacity: 1;
    }
    
    .herbal-card:active {
        transform: translateY(-10px) scale(1);
    }
    
    .herbal-number {
        font-size: 36px;
        margin-bottom: 16px;
    }
    
    .herbal-name {
        font-size: var(--font-xl);
        margin-bottom: 12px;
    }
    
    .herbal-benefit {
        font-size: var(--font-base);
        margin-bottom: 20px;
    }
    
    .herbal-link {
        font-size: var(--font-base);
    }
    
    .herbal-link:hover {
        gap: 12px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .products-section {
        padding: 70px 0;
    }
    
    .product-tabs {
        gap: 20px;
        margin-bottom: 60px;
    }
    
    .series-intro {
        margin-bottom: 60px;
    }
    
    .product-detail-card {
        gap: 36px;
        padding: 36px;
    }
    
    .product-detail-number {
        font-size: 48px;
    }
    
    .product-detail-name {
        font-size: 28px;
    }
    
    .herbal-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .herbal-card {
        padding: 40px 30px;
    }
}

/* ========================================
   Download Section - 移动优先
======================================== */
.download-section {
    padding: 48px 0;
    background: var(--bg-light);
}

.download-card {
    max-width: 100%;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 40px 24px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 2px solid var(--accent-color);
}

.download-icon {
    margin-bottom: 20px;
}

.download-icon img {
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.download-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: var(--font-3xl);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.download-text {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* 平板 */
@media (min-width: 768px) {
    .download-section {
        padding: 64px 0;
    }
    
    .download-card {
        max-width: 800px;
        padding: 48px 36px;
    }
    
    .download-icon {
        margin-bottom: 24px;
    }
    
    .download-icon img {
        width: 96px;
        height: 96px;
    }
    
    .download-title {
        font-size: 32px;
        margin-bottom: 16px;
    }
    
    .download-text {
        font-size: var(--font-lg);
        margin-bottom: 32px;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .download-section {
        padding: 70px 0;
    }
    
    .download-card {
        max-width: 900px;
        padding: 60px;
    }
}

/* ========================================
   联系页面样式 - 移动优先
======================================== */
.contact-page-section {
    padding: 48px 0;
}

.contact-page-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.contact-intro-text {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-methods-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-method-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    min-height: var(--touch-target);
}

.contact-method-card:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-sm);
    border-color: var(--accent-color);
}

.method-icon-wrapper {
    flex-shrink: 0;
}

.method-icon-wrapper img {
    width: 40px;
    height: 40px;
}

.method-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.method-note {
    font-size: var(--font-xs);
    color: var(--text-light);
}

.method-arrow {
    display: none;
}

.office-hours-card {
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.hours-title {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-sm);
}

.hours-day {
    font-weight: 700;
    color: var(--text-primary);
}

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

.form-card {
    background: var(--bg-light);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

.form-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: var(--font-2xl);
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

/* 平板 */
@media (min-width: 768px) {
    .contact-page-section {
        padding: 64px 0;
    }
    
    .contact-page-grid {
        grid-template-columns: 1fr 1.5fr;
        gap: 48px;
    }
    
    .contact-intro-text {
        font-size: var(--font-lg);
        margin-bottom: 40px;
    }
    
    .contact-methods-list {
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .contact-method-card {
        grid-template-columns: auto 1fr auto;
        gap: 20px;
        padding: 24px;
    }
    
    .contact-method-card:hover {
        transform: translateX(8px);
        box-shadow: var(--shadow-md);
        border-color: var(--accent-color);
    }
    
    .contact-method-card:active {
        transform: translateX(8px) scale(1);
    }
    
    .method-icon-wrapper img {
        width: 48px;
        height: 48px;
    }
    
    .method-arrow {
        display: block;
        flex-shrink: 0;
        color: var(--accent-color);
        opacity: 0;
        transform: translateX(-10px);
        transition: var(--transition);
    }
    
    .contact-method-card:hover .method-arrow {
        opacity: 1;
        transform: translateX(0);
    }
    
    .office-hours-card {
        padding: 24px;
    }
    
    .hours-title {
        font-size: var(--font-xl);
    }
    
    .hours-item {
        font-size: var(--font-base);
    }
    
    .form-card {
        padding: 40px 36px;
    }
    
    .form-title {
        font-size: 28px;
        margin-bottom: 32px;
    }
    
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .contact-page-section {
        padding: 70px 0;
    }
    
    .contact-page-grid {
        gap: 60px;
    }
    
    .form-card {
        padding: 48px;
    }
}

/* ========================================
   AOS动画支持 - 移动优化
======================================== */
[data-aos] {
    opacity: 0;
    transition-property: transform, opacity;
    transition-duration: 0.5s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(20px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-20px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(20px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* 平板及以上 - 增强动画 */
@media (min-width: 768px) {
    [data-aos] {
        transition-duration: 0.6s;
    }
    
    [data-aos="fade-up"] {
        transform: translateY(30px);
    }
    
    [data-aos="fade-right"] {
        transform: translateX(-30px);
    }
    
    [data-aos="fade-left"] {
        transform: translateX(30px);
    }
}

/* ========================================
   辅助类
======================================== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.no-scroll {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* ========================================
   打印样式
======================================== */
@media print {
    .navbar,
    .mobile-toggle,
    .scroll-to-top,
    .toast,
    .page-loader,
    .hero-buttons,
    .scroll-indicator,
    .nav-link-cta {
        display: none !important;
    }
    
    body {
        background: white;
        font-size: 12pt;
    }
    
    .hero-section,
    .page-hero {
        margin-top: 0;
        padding: 20px 0;
        min-height: auto;
    }
    
    section {
        page-break-inside: avoid;
        padding: 20px 0;
    }
    
    .hero-gradient {
        background: var(--primary-color) !important;
    }
    
    * {
        box-shadow: none !important;
    }
    
    a {
        text-decoration: underline;
    }
}

/* ========================================
   选择文本样式
======================================== */
::selection {
    background: var(--accent-color);
    color: var(--bg-white);
    text-shadow: none;
}

::-moz-selection {
    background: var(--accent-color);
    color: var(--bg-white);
    text-shadow: none;
}

/* ========================================
   滚动条样式 - 桌面端
======================================== */
@media (min-width: 1024px) {
    ::-webkit-scrollbar {
        width: 10px;
        height: 10px;
    }
    
    ::-webkit-scrollbar-track {
        background: var(--bg-light);
    }
    
    ::-webkit-scrollbar-thumb {
        background: var(--accent-color);
        border-radius: 5px;
    }
    
    ::-webkit-scrollbar-thumb:hover {
        background: var(--accent-hover);
    }
    
    /* Firefox */
    * {
        scrollbar-width: thin;
        scrollbar-color: var(--accent-color) var(--bg-light);
    }
}

/* ========================================
   焦点可见性 - 可访问性
======================================== */
:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* ========================================
   禁用状态
======================================== */
button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========================================
   图片加载优化
======================================== */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* ========================================
   性能优化
======================================== */
/* GPU加速 - 仅桌面端 */
@media (min-width: 1024px) {
    .advantage-card,
    .product-card,
    .feature-card-new,
    .cert-card-new,
    .market-card-new,
    .why-card-new,
    .herbal-card,
    .btn {
        will-change: transform;
        transform: translateZ(0);
        backface-visibility: hidden;
    }
}

/* ========================================
   减少动画（可访问性）
======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero-pattern {
        animation: none !important;
    }
}

/* ========================================
   高对比度模式
======================================== */
@media (prefers-contrast: high) {
    .btn {
        border: 3px solid currentColor;
    }
    
    .advantage-card,
    .product-card,
    .cert-card-new,
    .market-card-new,
    .feature-card-new,
    .why-card-new,
    .herbal-card {
        border: 3px solid var(--text-primary);
    }
    
    .nav-link::after {
        height: 3px;
    }
}

/* ========================================
   深色模式支持（可选）
======================================== */
@media (prefers-color-scheme: dark) {
    /* 如果需要深色模式，可以在这里添加样式 */
    /* 目前保持浅色主题以符合品牌定位 */
}

/* ========================================
   触摸设备优化
======================================== */
@media (hover: none) and (pointer: coarse) {
    /* 确保所有可点击元素至少44px */
    .btn,
    .nav-link,
    .product-card,
    .advantage-card,
    .contact-method,
    .social-link,
    .tab-btn,
    .footer-link {
        min-height: var(--touch-target);
        min-width: var(--touch-target);
    }
    
    /* 移除悬停效果 */
    .advantage-card:hover,
    .product-card:hover,
    .feature-card-new:hover,
    .cert-card-new:hover,
    .market-card-new:hover,
    .why-card-new:hover,
    .herbal-card:hover {
        transform: none;
    }
}

/* ========================================
   iPhone X/11/12/13/14 刘海屏优化
======================================== */
@supports (padding: max(0px)) {
    .navbar {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
    
    .nav-content {
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }
    
    .container {
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }
    
    .scroll-to-top {
        right: max(20px, env(safe-area-inset-right));
        bottom: max(20px, env(safe-area-inset-bottom));
    }
    
    .toast {
        left: max(20px, env(safe-area-inset-left));
        right: max(20px, env(safe-area-inset-right));
        bottom: max(20px, env(safe-area-inset-bottom));
    }
}

/* ========================================
   表单验证样式
======================================== */
.form-input.error,
.form-textarea.error {
    border-color: #EF4444;
    background: rgba(239, 68, 68, 0.05);
}

.form-input.success,
.form-textarea.success {
    border-color: #10B981;
    background: rgba(16, 185, 129, 0.05);
}

.error-message {
    color: #EF4444;
    font-size: var(--font-xs);
    margin-top: 6px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.success-message {
    color: #10B981;
    font-size: var(--font-xs);
    margin-top: 6px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ========================================
   加载骨架屏（可选）
======================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-light) 0%,
        var(--bg-white) 50%,
        var(--bg-light) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ========================================
   加载状态
======================================== */
.loading {
    pointer-events: none;
    opacity: 0.6;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    transform: translate(-50%, -50%);
}

/* ========================================
   徽章组件（可选）
======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    font-size: var(--font-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.badge-secondary {
    background: var(--bg-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* ========================================
   分隔线组件
======================================== */
.divider {
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--border-color),
        transparent
    );
    margin: 32px 0;
}

/* 平板及以上 */
@media (min-width: 768px) {
    .divider {
        margin: 40px 0;
    }
}

/* ========================================
   渐变文字效果
======================================== */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   社交分享按钮（可选）
======================================== */
.share-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: var(--touch-target);
    min-height: var(--touch-target);
    padding: 12px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.share-btn:active {
    transform: scale(0.95);
    background: var(--accent-color);
    color: var(--bg-white);
}

/* 平板及以上 */
@media (min-width: 768px) {
    .share-btn:hover {
        background: var(--accent-color);
        color: var(--bg-white);
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }
    
    .share-btn:active {
        transform: translateY(-3px) scale(1);
    }
}

/* ========================================
   移动端底部安全区域
======================================== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .footer {
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }
}