/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 字体导入 */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600&family=Noto+Sans+SC:wght@300;400;500&display=swap');

/* 全局样式 */
:root {
    --color-white: #FFFFFF;
    --color-light-gray: #F8F8F8;
    --color-dark-gray: #333333;
    --color-accent: #9C6B5A;
    --color-text: #666666;
    --font-title-en: 'Playfair Display', serif;
    --font-title-cn: 'Noto Serif SC', serif;
    --font-body: 'Noto Sans SC', sans-serif;
}

body {
    font-family: var(--font-body);
    color: var(--color-dark-gray);
    background-color: var(--color-white);
    line-height: 1.8;
    overflow-x: hidden;
}

/* 导航栏 */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 28px 60px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    text-align: center;
    border-bottom: 1px solid rgba(51, 51, 51, 0.08);
    transition: all 0.3s ease;
}

nav a {
    margin: 0 28px;
    text-decoration: none;
    color: var(--color-dark-gray);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 2px;
    transition: color 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--color-accent);
}

nav a:hover::after {
    width: 100%;
}

nav a.active {
    color: var(--color-accent);
}

/* 全屏轮播区 */
.fullscreen-hero {
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
    background: var(--color-light-gray);
}

.hero-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

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

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 80px 60px;
    background: linear-gradient(to top, rgba(0,0,0,0.4), transparent);
    color: var(--color-white);
}

.hero-overlay h1 {
    font-family: var(--font-title-cn);
    font-size: 52px;
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: 4px;
}

.hero-overlay p {
    font-size: 18px;
    letter-spacing: 2px;
    opacity: 0.95;
}

.hero-nav {
    position: absolute;
    bottom: 40px;
    right: 60px;
    display: flex;
    gap: 12px;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background: var(--color-white);
    width: 32px;
    border-radius: 5px;
}

/* 内容区域 */
.content-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 60px;
}

.section-title {
    font-family: var(--font-title-cn);
    font-size: 48px;
    font-weight: 500;
    margin-bottom: 24px;
    text-align: center;
    letter-spacing: 6px;
    color: var(--color-dark-gray);
}

.section-subtitle {
    font-family: var(--font-title-en);
    font-size: 16px;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 80px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.section-intro {
    max-width: 900px;
    margin: 0 auto 80px;
    font-size: 18px;
    line-height: 2;
    color: var(--color-text);
    text-align: center;
    letter-spacing: 1px;
}

/* 预览卡片区 */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin: 80px 0;
}

.preview-card {
    position: relative;
    overflow: hidden;
    background: var(--color-light-gray);
    cursor: pointer;
    transition: transform 0.5s ease;
}

.preview-card:hover {
    transform: translateY(-8px);
}

.preview-card img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.preview-card:hover img {
    transform: scale(1.05);
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 32px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: var(--color-white);
}

.preview-overlay h3 {
    font-family: var(--font-title-cn);
    font-size: 28px;
    margin-bottom: 12px;
    letter-spacing: 3px;
}

.preview-overlay p {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.9;
    letter-spacing: 1px;
}

/* 系列展示区 */
.collection-series {
    margin-bottom: 120px;
}

.series-header {
    margin-bottom: 60px;
}

.series-title {
    font-family: var(--font-title-cn);
    font-size: 38px;
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: 4px;
    color: var(--color-dark-gray);
}

.series-concept {
    font-family: var(--font-title-en);
    font-size: 14px;
    color: var(--color-accent);
    margin-bottom: 24px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.series-desc {
    font-size: 17px;
    line-height: 2;
    color: var(--color-text);
    max-width: 1000px;
    letter-spacing: 0.5px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.grid-item {
    overflow: hidden;
    background: var(--color-light-gray);
}

.grid-item img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.grid-item:hover img {
    transform: scale(1.04);
}

/* 场景穿搭区 */
.styling-scene {
    margin-bottom: 100px;
}

.scene-header {
    margin-bottom: 50px;
}

.scene-title {
    font-family: var(--font-title-cn);
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.scene-desc {
    font-size: 17px;
    line-height: 2;
    color: var(--color-text);
    max-width: 950px;
    letter-spacing: 0.5px;
}

.scene-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.scene-item {
    position: relative;
    overflow: hidden;
}

.scene-item img {
    width: 100%;
    height: 550px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.scene-item:hover img {
    transform: scale(1.03);
}

.scene-caption {
    margin-top: 20px;
    font-size: 15px;
    color: var(--color-text);
    letter-spacing: 1px;
    line-height: 1.8;
}

/* 可持续理念 */
.sustainability-note {
    background: var(--color-light-gray);
    padding: 40px 50px;
    margin-top: 60px;
    border-left: 3px solid var(--color-accent);
    font-size: 16px;
    line-height: 2;
    color: var(--color-text);
    letter-spacing: 0.5px;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 60px 40px;
    border-top: 1px solid rgba(51, 51, 51, 0.1);
    background: var(--color-white);
    font-size: 14px;
    color: var(--color-text);
    letter-spacing: 2px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    nav {
        padding: 24px 40px;
    }
    
    nav a {
        margin: 0 18px;
        font-size: 13px;
    }
    
    .content-section {
        padding: 100px 40px;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    .preview-grid,
    .image-grid,
    .scene-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 20px 24px;
    }
    
    nav a {
        margin: 0 12px;
        font-size: 12px;
        letter-spacing: 1.5px;
    }
    
    .hero-overlay {
        padding: 60px 30px;
    }
    
    .hero-overlay h1 {
        font-size: 36px;
        letter-spacing: 3px;
    }
    
    .hero-overlay p {
        font-size: 15px;
    }
    
    .content-section {
        padding: 80px 30px;
    }
    
    .section-title {
        font-size: 32px;
        letter-spacing: 4px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .section-intro {
        font-size: 16px;
    }
    
    .preview-grid,
    .image-grid,
    .scene-gallery {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .preview-card img,
    .grid-item img,
    .scene-item img {
        height: 450px;
    }
    
    .series-title,
    .scene-title {
        font-size: 28px;
    }
    
    .hero-nav {
        right: 30px;
        bottom: 30px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out forwards;
}