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

/* 根变量定义 */
:root {
    --primary-white: #FFFFFF;
    --primary-gray-light: #F5F5F7;
    --primary-gray-dark: #2A2A2A;
    --secondary-navy: #0A1D3F;
    --secondary-black: #111111;
    --accent-terracotta: #C46A4F;
    --accent-gold: #B89968;
    --text-color-dark: #2A2A2A;
    --text-color-light: #CCCCCC;
    --font-family-en: 'Helvetica Now', 'Avenir Next', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-family-zh: 'Source Han Sans', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础元素样式 */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-zh), var(--font-family-en), sans-serif;
    background-color: var(--primary-white);
    color: var(--text-color-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 排版 */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-en), var(--font-family-zh), sans-serif;
    font-weight: 300;
    letter-spacing: 0.05em;
    line-height: 1.3;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    font-weight: 400;
    color: #4A4A4A;
    margin-bottom: 1.5rem;
}

/* 链接样式 */
a {
    color: var(--text-color-dark);
    text-decoration: none;
    transition: var(--transition-smooth);
    position: relative;
}

a:hover {
    color: var(--secondary-navy);
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--secondary-navy);
    transition: width 0.3s ease;
}

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

/* 导航栏 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid rgba(42, 42, 42, 0.08);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--text-color-dark);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-menu a {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    font-weight: 400;
}

/* 主内容区域 */
main {
    margin-top: 80px;
}

section {
    padding: 5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

/* 英雄区 */
.hero {
    height: 100vh;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: grayscale(20%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 29, 63, 0.3), rgba(42, 42, 42, 0.5));
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--primary-white);
    z-index: 1;
    padding: 2rem;
}

.hero h1 {
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 300;
    margin-bottom: 2.5rem;
    letter-spacing: 0.1em;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--primary-white);
    color: var(--text-color-dark);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-transform: uppercase;
}

.btn-primary:hover {
    background: var(--primary-gray-light);
    transform: translateY(-2px);
}

/* 精选辑 */
.featured-section {
    background-color: var(--primary-white);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.featured-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
}

.featured-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.5s ease;
}

.featured-item:hover img {
    transform: scale(1.05);
    filter: brightness(0.9);
}

.featured-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--primary-white);
}

.featured-caption h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

/* 引言板块 */
.intro-section {
    background-color: var(--primary-gray-light);
    text-align: center;
    padding: 6rem 5%;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
}

.intro-content p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-color-dark);
    font-style: italic;
    line-height: 1.8;
}

/* 页脚 */
footer {
    background-color: var(--primary-gray-dark);
    color: var(--text-color-light);
    text-align: center;
    padding: 2rem 5%;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* 图片画廊 */
.gallery-section {
    padding: 5rem 5%;
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--primary-gray-dark);
    color: var(--text-color-dark);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--text-color-dark);
    color: var(--primary-white);
}

.gallery-grid {
    column-count: 3;
    column-gap: 1rem;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 1rem;
    overflow: hidden;
    border-radius: 4px;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

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

/* 文章列表 */
.journal-section {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 5%;
}

.article-list {
    border-right: 1px solid #E0E0E0;
    padding-right: 3rem;
}

.article-item {
    margin-bottom: 2rem;
    cursor: pointer;
}

.article-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-color-dark);
}

.article-item p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0;
}

.article-preview {
    padding: 2rem;
    background-color: var(--primary-gray-light);
    border-radius: 4px;
}

/* 造型录 */
.lookbook-container {
    height: 100vh;
    overflow-y: hidden;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.lookbook-slide {
    min-width: 100vw;
    height: 100vh;
    scroll-snap-align: start;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lookbook-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lookbook-content {
    position: absolute;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--primary-white);
    max-width: 600px;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.6);
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1.5rem;
        font-size: 0.9rem;
    }
    
    .gallery-grid {
        column-count: 2;
    }
    
    .journal-section {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .article-list {
        border-right: none;
        border-bottom: 1px solid #E0E0E0;
        padding-right: 0;
        padding-bottom: 2rem;
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-filters {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1rem 5%;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .gallery-grid {
        column-count: 1;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .btn-primary {
        padding: 0.8rem 2rem;
    }
}

/* 图片加载动画 */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    opacity: 1;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-gray-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gray-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-navy);
}