/**
 * ANNA CAVALLI 官方网站样式文件
 * 统一的CSS样式，适用于所有页面
 * 参考Louis Vuitton设计风格的奢华厨具品牌
 */

/* CSS变量定义 */
:root {
    /* 颜色系统 */
    --color-primary: #000000;
    --color-secondary: #ffffff;
    --color-accent: #d4af37;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-border: #e5e5e5;
    --color-bg: #fafafa;
    
    /* 字体系统 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* 布局系统 */
    --container-max-width: 1400px;
    --section-padding: 120px 0;
    --section-padding-mobile: 60px 0;
    --navbar-height: 80px;
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================
   首页 - 品牌视频展示
   ========================================== */
.video-showcase .video-container {
    max-width: 1200px;
    margin: 0 auto;
}

.brand-video {
    width: 100%;
    height: auto;
    display: block;
    background: #000;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

@media (max-width: 768px) {
    .brand-video {
        border-radius: 10px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    }
}

/* ==========================================
   页脚 - 语言选择器下拉样式
   ========================================== */
.footer-languages {
    margin-top: 24px;
}

.footer-languages h3 {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    margin-bottom: 12px;
    color: white;
}

.footer-language-selector {
    position: relative;
    display: inline-block;
    min-width: 140px;
}

.footer-language-current {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: white;
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-normal);
}

.footer-language-current:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.footer-language-arrow {
    transition: transform var(--transition-normal);
    opacity: 0.7;
}

.footer-language-selector.active .footer-language-arrow {
    transform: rotate(180deg);
}

.footer-language-menu {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-normal);
    z-index: 100;
    list-style: none;
    overflow: hidden;
}

.footer-language-selector.active .footer-language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.footer-language-menu li {
    margin: 0;
}

.footer-language-menu li a {
    display: block;
    padding: 8px 12px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    transition: all var(--transition-normal);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-language-menu li:last-child a {
    border-bottom: none;
}

.footer-language-menu li a:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .footer-language-selector {
        width: 100%;
        min-width: auto;
    }
}

/* ==========================================
   首页 - 匠心工艺展示
   PC：左右各1张图片（2列）；移动端：1行1张
   ========================================== */
.craftsmanship-showcase {
    background: var(--color-bg);
}

.craftsmanship-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* PC端左右各1张 */
    gap: 40px;
    align-items: stretch;
}

.craft-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.craft-image {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.craft-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

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

.craft-content {
    padding: 20px 24px 28px;
}

.craft-content h3 {
    font-size: 22px;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-bottom: 8px;
}

.craft-content p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

@media (max-width: 1024px) {
    .craftsmanship-grid {
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .craftsmanship-grid {
        grid-template-columns: 1fr; /* 手机端1列 */
        gap: 20px;
    }
    .story-image{
        aspect-ratio: 4 / 3;
    }
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* 基础样式 */
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

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

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

/* 链接样式 */
a {
    color: inherit;
    text-decoration: none;
}

/* 按钮重置 */
button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--navbar-height);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-primary);
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 2px;
    margin-left: 12px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    font-size: 15px;
    letter-spacing: 0.5px;
    transition: color var(--transition-normal);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-normal);
}

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

/* 当父级下拉项处于active时，顶级链接也高亮 */
.nav-item.active > .nav-link {
    color: var(--color-accent);
}
.nav-item.active > .nav-link::after {
    width: 100%;
}

/* 下拉菜单样式 */
.nav-item {
    position: relative;
}

.nav-item.dropdown .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown-arrow {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-normal);
}

.nav-item.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    padding: 12px 0;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1000;
    border: 1px solid rgba(0, 0, 0, 0.06);
    list-style: none;
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu li a {
    display: block;
    padding: 12px 20px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: var(--font-weight-regular);
    transition: all var(--transition-normal);
    border-radius: 0;
    position: relative;
}

.dropdown-menu li a:hover {
    background: var(--color-bg);
    color: var(--color-primary);
    transform: translateX(4px);
}

.dropdown-menu li a::after {
    display: none;
}

/* 多级下拉菜单支持 */
.dropdown-menu .nav-item {
    position: relative;
}

.dropdown-menu .dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: 0;
    margin-left: 8px;
}

/* 移动端菜单 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-normal);
}

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

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* iOS滑动优化 */
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    height: 100vh;
}
.mobile-menu>ul {
    padding: 20px;
}
.mobile-menu ul {
    list-style: none;
    margin: 0;
}

.mobile-menu ul li {
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu ul li:last-child {
    border-bottom: none;
}

.mobile-menu ul li > a {
    display: block;
    padding: 15px 0;
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-normal);
}

.mobile-menu ul li > a:hover {
    color: var(--color-accent);
}

/* 移动端下拉菜单 */
.mobile-dropdown {
    position: relative;
}

.mobile-dropdown-toggle {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 15px 0 !important;
    color: var(--color-text) !important;
    text-decoration: none !important;
    font-weight: var(--font-weight-medium) !important;
}

.mobile-arrow {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 6px solid currentColor;
    transition: transform var(--transition-normal);
}

.mobile-dropdown-toggle:hover {
    color: var(--color-accent) !important;
}

.mobile-dropdown.active .mobile-arrow {
    transform: rotate(180deg);
}

.mobile-submenu {
    max-height: 0;
    overflow: hidden;
    background: var(--color-bg);
    margin: 8px 0 0 0;
    border-radius: 6px;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
    list-style: none;
    padding: 0;
}

.mobile-dropdown.active .mobile-submenu {
    max-height: 400px;
    padding: 8px 0;
}

.mobile-submenu li {
    border-bottom: none !important;
    margin: 0;
}

.mobile-submenu li a {
    display: block !important;
    padding: 12px 20px !important;
    padding-left: 32px !important;
    font-size: 14px !important;
    color: var(--color-text-light) !important;
    font-weight: var(--font-weight-regular) !important;
    position: relative;
    transition: all var(--transition-normal);
}

.mobile-submenu li a::before {
    content: '•';
    position: absolute;
    left: 20px;
    color: var(--color-accent);
    font-size: 16px;
}

.mobile-submenu li a:hover {
    color: var(--color-primary) !important;
    background: var(--color-bg) !important;
}

/* 主要内容区域 */
.main-content {
    padding-top: var(--navbar-height);
}

/* 容器和通用样式 */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-subtitle {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: var(--font-weight-light);
    color: var(--color-primary);
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.section-description {
    font-size: 18px;
    color: var(--color-text-light);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* 英雄区域 */
.hero {
    height: calc(100vh - var(--navbar-height));
    position: relative;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

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

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
    z-index: 2;
}

.hero-content {
    position: absolute;
    top: 60%;
    left: 0;
    transform: translateY(-50%);
    text-align: left;
    color: white;
    z-index: 3;
    max-width: 800px;
    padding: 0 40px;
    margin-left: 40px;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: var(--font-weight-light);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-title {
    font-size: 64px;
    font-weight: var(--font-weight-light);
    letter-spacing: 4px;
    margin-bottom: 30px;
    line-height: 1.1;
}

.hero-description {
    font-size: 20px;
    font-weight: var(--font-weight-light);
    line-height: 1.6;
    margin-bottom: 50px;
    opacity: 0.95;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: transparent;
    border: 2px solid white;
    color: white;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    letter-spacing: 1px;
    transition: all var(--transition-normal);
}

.hero-cta:hover {
    background: white;
    color: var(--color-primary);
}

/* 轮播指示器 */
.hero-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 3;
}

.hero-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid white;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.hero-indicator.active {
    background: white;
}

/* 品牌故事区域 */
.brand-story {
    background: var(--color-bg);
}

.story-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 100px;
    align-items: center;
}

.story-text h3 {
    font-size: 36px;
    font-weight: var(--font-weight-light);
    color: var(--color-primary);
    margin-bottom: 32px;
    letter-spacing: 1px;
}

.story-text p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.story-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: var(--font-weight-light);
    color: var(--color-accent);
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.story-image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.story-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.story-image:hover img {
    transform: scale(1.05);
}

/* 产品分类网格 */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.category-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    aspect-ratio: 4/3;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.category-card:hover {
    transform: translateY(-10px);
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.category-card:hover img {
    transform: scale(1.1);
}

.category-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.category-content h3 {
    font-size: 28px;
    font-weight: var(--font-weight-light);
    letter-spacing: 2px;
}

.category-content p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.6;
}

/* 设计师展示 */
.designers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 50px;
}

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

.designer-avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin: 30px auto 0 auto;
    overflow: hidden;
    position: relative;
}

.designer-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.designer-card:hover .designer-avatar img {
    transform: scale(1.1);
}

.designer-name {
    font-size: 24px;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.designer-title {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.designer-bio {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* 底部样式 */
.footer {
    background: var(--color-primary);
    color: white;
    padding: 80px 0 40px;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-section h3 {
    font-size: 20px;
    font-weight: var(--font-weight-medium);
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.footer-logo img {
    display: block;
}

/* Footer 手风琴 */
.footer-accordion {
    padding-bottom: 10px;
}

.footer-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    color: white;
    border: none;
    padding: 0;
    margin: 0 0 20px 0;
    font-size: 18px;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
}

.footer-toggle-icon {
    transition: transform var(--transition-normal);
}

.footer-accordion.active .footer-toggle-icon {
    transform: rotate(45deg);
}

.footer-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.footer-accordion.active .footer-panel {
    max-height: 500px; /* 移动端使用动画展开 */
}

/* PC端：底部栏目不需要交互指针与图标 */
@media (min-width: 769px) {
    .footer-toggle {
        cursor: default;
    }
    .footer-toggle-icon {
        display: none;
    }
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.8;
    transition: color var(--transition-normal);
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-contact p {
    margin-bottom: 8px;
}

.footer-social {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.footer-legal span {
    color: rgba(255, 255, 255, 0.3);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* 通用按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    letter-spacing: 0.5px;
}

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

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

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

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

/* 通用卡片样式 */
.card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 24px;
}

.card-title {
    font-size: 20px;
    font-weight: var(--font-weight-medium);
    margin-bottom: 12px;
    color: var(--color-primary);
}

.card-text {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 30px;
    }
    
    .container {
        padding: 0 30px;
    }
    
    .story-content {
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* 移动端菜单额外优化 */
    .mobile-submenu {
        margin: 4px 0 0 0;
    }
    
    .mobile-dropdown-toggle {
        -webkit-tap-highlight-color: transparent; /* 去除点击高亮 */
        tap-highlight-color: transparent;
        user-select: none; /* 防止文本选择 */
    }
    
    .mobile-submenu li a {
        -webkit-tap-highlight-color: transparent;
        tap-highlight-color: transparent;
    }
    
    .hero-content {
        margin-left: 20px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .section {
        padding: var(--section-padding-mobile);
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .story-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .story-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .designers-grid {
        grid-template-columns: 1fr;
    }
    .category-content p {
        display: none;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
    
    .footer-accordion {
        border-bottom: 1px solid rgba(255,255,255,0.12);
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 0 20px;
        margin-left: 20px;
    }
    
    .hero-title {
        font-size: 32px;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 14px;
        letter-spacing: 2px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .story-stats {
        gap: 15px;
    }
    
    .stat-number {
        font-size: 36px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--color-text-lighter);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-light);
}

/* 选中文本样式 */
::selection {
    background: var(--color-accent);
    color: white;
}

::-moz-selection {
    background: var(--color-accent);
    color: white;
}

/* ==========================================
   新闻页面样式
   ========================================== */

/* 新闻列表页面样式 */
.news-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #333 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.news-hero h1 {
    font-size: 48px;
    font-weight: var(--font-weight-light);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.news-hero p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.news-filters {
    background: white;
    padding: 40px 0;
    border-bottom: 1px solid var(--color-border);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 12px 24px;
    background: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    border-radius: 30px;
    transition: all var(--transition-normal);
    letter-spacing: 0.5px;
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.news-card-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.news-card-category {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--color-accent);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.5px;
}

.news-card-content {
    padding: 30px;
}

.news-card-title {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-summary {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--color-text-lighter);
}

.news-card-date {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-card-views {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 60px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    text-decoration: none;
    border-radius: 8px;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
}

.pagination a:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.pagination .current {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

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

.pagination .disabled:hover {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--color-text-light);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--color-text);
}

/* 新闻详情页面样式 */
.article-hero {
    background: #000;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding: 180px 0 80px;
    position: relative;
    min-height: 60vh;
}

.article-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
    z-index: 1;
    transition: all var(--transition-slow);
}


.article-hero .container {
    position: relative;
    z-index: 2;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    margin: 20px 0 40px 0;
    flex-wrap: wrap;
}

.article-category {
    background: var(--color-accent);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.article-category:hover {
    background: var(--color-primary);
}

.article-date,
.article-views,
.article-author {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.article-title {
    font-size: 48px;
    font-weight: var(--font-weight-light);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    color: white;
}

.article-summary {
    font-size: 20px;
    line-height: 1.6;
    opacity: 0.95;
    max-width: 800px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
    color: rgba(255, 255, 255, 0.95);
}

.article-content {
    background: white;
    margin-top: -60px;
    position: relative;
    z-index: 2;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

/* 文章布局 */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 50px;
    align-items: start;
}

.article-main {
    min-width: 0; /* 防止内容溢出 */
    padding: 60px 0 0 0;
}

.article-body {
    padding: 80px 0;
    margin: 0 auto;
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4,
.article-body h5,
.article-body h6 {
    color: var(--color-primary);
    margin: 32px 0 16px;
    font-weight: var(--font-weight-medium);
    line-height: 1.3;
}

.article-body h2 {
    font-size: 28px;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 8px;
}

.article-body h3 {
    font-size: 24px;
}

.article-body p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--color-text);
    font-size: 18px;
}

.article-body img {
    max-width: 100%;
    height: auto;
    margin: 32px 0;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.article-body blockquote {
    border-left: 4px solid var(--color-accent);
    background: var(--color-bg);
    padding: 24px 32px;
    margin: 32px 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--color-text-light);
}

.article-body ul,
.article-body ol {
    margin: 20px 0;
    padding-left: 32px;
}

.article-body li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 40px;
}

.nav-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: var(--color-bg);
    color: var(--color-text);
    text-decoration: none;
    border-radius: 8px;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.nav-button:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.share-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
}

.share-buttons h4 {
    margin: 0;
    color: var(--color-text);
    font-size: 16px;
}

.share-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg);
    color: var(--color-text);
    text-decoration: none;
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.share-button:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* 相关文章 */
.related-articles {
    background: var(--color-bg);
    padding: 80px 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.related-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.related-card-image {
    height: 180px;
    overflow: hidden;
}

.related-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.related-card-content {
    padding: 24px;
}

.related-card-title {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card-date {
    font-size: 14px;
    color: var(--color-text-lighter);
}

/* 侧边栏样式 */
.article-sidebar {
    position: sticky;
    top: 60px;
    max-height: calc(100vh - 120px);
    padding: 60px 0 0 0;
}

.sidebar-widget {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
}

.widget-title {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-accent);
    position: relative;
}

.widget-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--color-primary);
}

/* 最新发布文章样式 */
.sidebar-articles {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-article {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    padding: 12px;
    border-radius: 8px;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.sidebar-article:hover {
    background: var(--color-bg);
    border-color: var(--color-border);
    /*transform: translateX(4px);*/
}

.sidebar-article-image {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
}

.sidebar-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.sidebar-article:hover .sidebar-article-image img {
    transform: scale(1.05);
}

.sidebar-article-content {
    flex: 1;
    min-width: 0;
}

.sidebar-article-category {
    display: inline-block;
    background: var(--color-accent);
    color: white;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: var(--font-weight-medium);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.sidebar-article-title {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    line-height: 1.3;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-article:hover .sidebar-article-title {
    color: var(--color-primary);
}

.sidebar-article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--color-text-lighter);
}

/* 热门文章列表样式 */
.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-list-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    padding: 12px;
    border-radius: 8px;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.sidebar-list-item:hover {
    background: var(--color-bg);
    border-color: var(--color-border);
    transform: translateX(4px);
}

.sidebar-list-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: white;
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    border-radius: 50%;
    flex-shrink: 0;
}

.sidebar-list-item:nth-child(1) .sidebar-list-number {
    background: #ff6b6b;
}

.sidebar-list-item:nth-child(2) .sidebar-list-number {
    background: #4ecdc4;
}

.sidebar-list-item:nth-child(3) .sidebar-list-number {
    background: #45b7d1;
}

.sidebar-list-content {
    flex: 1;
    min-width: 0;
}

.sidebar-list-title {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    line-height: 1.3;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-list-item:hover .sidebar-list-title {
    color: var(--color-primary);
}

.sidebar-list-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--color-text-lighter);
}

.sidebar-list-meta span:first-child {
    background: var(--color-bg);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

/* 新闻页面响应式设计 */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .article-sidebar {
        position: static;
        max-height: none;
        order: 2;
    }
    
    .sidebar-widget {
        padding: 24px;
    }
    
    .widget-title {
        font-size: 18px;
    }
    
    .article-hero .container {
        padding: 0 30px;
    }
}

@media (max-width: 768px) {
    .news-hero h1 {
        font-size: 36px;
    }
    
    .filter-tabs {
        gap: 20px;
    }
    
    .filter-tab {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .news-card-content {
        padding: 24px;
    }
    
    .article-hero {
        min-height: 50vh;
        padding: 100px 0 60px;
    }
    
    .article-title {
        font-size: 32px;
    }
    
    .article-summary {
        font-size: 16px;
    }
    
    .article-meta {
        gap: 16px;
    }
    
    .article-body {
        padding: 60px 30px 40px;
    }
    
    .article-hero .container {
        padding: 0 20px;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .share-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .sidebar-widget {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .sidebar-articles {
        gap: 16px;
    }
    
    .sidebar-article {
        padding: 8px;
    }
    
    .sidebar-article-image {
        width: 60px;
        height: 45px;
    }
    
    .sidebar-article-title {
        font-size: 13px;
    }
    
    .sidebar-list {
        gap: 12px;
    }
    
    .sidebar-list-item {
        padding: 8px;
    }
    
    .sidebar-list-title {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .sidebar-articles {
        gap: 12px;
    }
    
    .sidebar-article {
        flex-direction: column;
        text-align: center;
        padding: 12px;
    }
    
    .sidebar-article-image {
        width: 100%;
        height: 120px;
        align-self: stretch;
    }
    
    .sidebar-article-content {
        margin-top: 8px;
    }
}