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

/* 根变量定义 - 设计令牌 */
:root {
    /* 颜色系统 */
    --color-primary: #f5f5f0; /* 米白色 */
    --color-secondary: #e8e8e3; /* 浅灰 */
    --color-accent: #f0e6d6; /* 燕麦色 */
    --color-pink: #f5e6e8; /* 淡粉色 */
    --color-text: #333333; /* 深灰文字 */
    --color-text-light: #666666; /* 中灰文字 */
    --color-border: #e0e0e0; /* 边框色 */
    
    /* 字体系统 */
    --font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    
    /* 间距系统 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* 圆角 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* 阴影 */
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* 基础样式 */
html {
    scroll-behavior: smooth;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--color-text-light);
}

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

/* 汉堡菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    margin: 3px 0;
    transition: 0.3s;
}

/* 主内容区域 */
main {
    margin-top: 70px;
    min-height: calc(100vh - 70px - 60px);
}

/* 首页横幅样式 */
.hero-banner {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-pink));
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.hero-content {
    position: relative;
    text-align: center;
    color: white;
    z-index: 2;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.explore-btn {
    display: inline-block;
    padding: 15px 40px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.explore-btn:hover {
    background: transparent;
    color: white;
    border-color: white;
    transform: translateY(-2px);
}

/* 产品网格布局 */
.products-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-sm);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.product-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.product-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    background-color: var(--color-secondary);
}

.product-info {
    padding: var(--spacing-md);
}

.product-title {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.product-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* 灵感故事页面样式 */
.inspiration-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-sm);
}

.story-section {
    margin-bottom: var(--spacing-xl);
}

.story-title {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.story-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.story-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
}

.style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.style-card {
    text-align: center;
}

.style-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-light);
}

.style-name {
    font-size: 1rem;
    color: var(--color-text);
}

/* 工艺匠心页面样式 */
.craftsmanship-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-sm);
}

.process-timeline {
    position: relative;
    padding: var(--spacing-lg) 0;
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text);
    margin: 0 var(--spacing-md);
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
}

.step-title {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.step-description {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.step-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    margin-top: var(--spacing-sm);
}

/* 页脚样式 */
footer {
    background: var(--color-secondary);
    text-align: center;
    padding: 20px;
    color: var(--color-text-light);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏响应式 */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    /* 首页响应式 */
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* 产品网格响应式 */
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }

    /* 灵感故事响应式 */
    .story-content {
        grid-template-columns: 1fr;
    }

    .story-text {
        order: 2;
    }

    .story-image {
        order: 1;
    }

    /* 工艺流程响应式 */
    .process-step {
        flex-direction: column !important;
        text-align: center;
    }

    .step-number {
        margin: var(--spacing-sm) 0;
    }

    /* 段落标题响应式 */
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .style-grid {
        grid-template-columns: 1fr;
    }
}