/* 添加自定义字体导入 - 使用Inter字体，类似DJI使用的现代无衬线字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
    /* 科技感配色方案 - 深色背景、明亮的强调色 */
    --primary-color: #00c2ff;
    --primary-hover: #33d1ff;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-light: #ffffff;
    --background-white: #0a0a0a;
    --background-light: #121212;
    --background-dark: #050505;
    --border-color: #2a2a2a;
    --glow-color: rgba(0, 194, 255, 0.3);
    --border-radius: 4px;
    --transition-speed: 0.3s;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Inter', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-dark);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 194, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(0, 194, 255, 0.03) 0%, transparent 40%);
    overflow-x: hidden;
}

/* 自定义滚动条 - 简洁风格 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
    background: #444444;
    border-radius: 3px;
}

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

/* 科技感通用样式类 */
.dji-inspired-body {
    background-color: var(--background-dark);
    color: var(--text-primary);
}

/* DJI风格的容器样式 */
.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 科技感内容区块 */
.dji-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    background-color: var(--background-dark);
}

.dji-section-light {
    background-color: var(--background-light);
    position: relative;
}

.dji-section-light::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.dji-section-white {
    background-color: var(--background-light);
}

/* 科技感卡片样式 */
.dji-card {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.dji-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.dji-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* DJI风格的网格布局 */
.dji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

/* 科技感按钮样式 */
.dji-btn {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary-color), #0077cc);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(0, 194, 255, 0.3);
}

.dji-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.dji-btn:hover {
    background: linear-gradient(135deg, var(--primary-hover), #0099ff);
    transform: translateY(-1px);
    box-shadow: 0 0 20px rgba(0, 194, 255, 0.5);
}

.dji-btn:hover::before {
    left: 100%;
}

.dji-btn-secondary {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 194, 255, 0.1);
}

.dji-btn-secondary:hover {
    background: rgba(0, 194, 255, 0.1);
    border-color: var(--primary-hover);
    color: var(--primary-hover);
    box-shadow: 0 0 15px rgba(0, 194, 255, 0.3);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 科技感英雄区域样式 */
.dji-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-light) 100%);
    overflow: hidden;
}

.dji-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: var(--glow-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    filter: blur(80px);
    z-index: 1;
}

.hero-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-light);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    position: relative;
    text-shadow: 0 0 10px rgba(0, 194, 255, 0.3);
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 32px;
    line-height: 1.4;
    position: relative;
}

.hero-image {
    position: relative;
    max-width: 100%;
    height: auto;
    margin: 40px auto;
    transition: transform var(--transition-speed) ease;
    border-radius: var(--border-radius);
    box-shadow: 0 0 30px rgba(0, 194, 255, 0.2);
}

.hero-image:hover {
    transform: scale(1.02);
    box-shadow: 0 0 40px rgba(0, 194, 255, 0.3);
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 194, 255, 0.1) 0%, transparent 100%);
    border-radius: var(--border-radius);
    pointer-events: none;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn {
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    display: inline-block;
    min-width: 140px;
}

.hero-btn-primary {
    background: var(--primary-color);
    color: var(--text-light);
    border: none;
}

.hero-btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.hero-btn-secondary {
    background: var(--background-white);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.hero-btn-secondary:hover {
    background: rgba(0, 102, 204, 0.05);
    transform: translateY(-2px);
}

/* DJI风格的产品展示区域 */
.product-showcase {
    padding: 80px 0;
    background: var(--background-white);
}

.showcase-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 60px;
    letter-spacing: -0.5px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.product-card {
    background: var(--background-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-medium);
    border-color: rgba(0, 102, 204, 0.3);
}

.product-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

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

.product-info {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.product-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.product-actions {
    display: flex;
    gap: 12px;
}

.product-btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    text-align: center;
    display: inline-block;
}

/* DJI风格的内容区块 */
.content-section {
    padding: 80px 0;
    background: var(--background-light);
}

.content-section:nth-child(even) {
    background: var(--background-white);
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 800px;
}

.content-wrapper {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.content-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.content-image img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-speed) ease;
}

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

.content-text {
    flex: 1;
    min-width: 300px;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.feature-item {
    background: var(--background-white);
    padding: 24px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-light);
}

.feature-icon {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* DJI风格的头部导航 */
.dji-header {
    background: var(--background-white);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

.dji-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* DJI风格的Logo */
.logo a {
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: color var(--transition-speed) ease;
}

.logo a:hover {
    color: var(--primary-hover);
}

.logo a span {
    font-weight: 600;
}

/* DJI风格的主导航 */
.main-nav {
    flex: 1;
    margin: 0 10px;
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 15px;
    justify-content: center;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 0;
    display: inline-block;
    position: relative;
    transition: color var(--transition-speed) ease;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all var(--transition-speed) ease;
    transform: translateX(-50%);
}

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

/* DJI风格的头部搜索框 */
.header-search {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.header-search .search-form {
    margin: 0;
    display: flex;
    width: 160px;
    align-items: center;
    background: var(--background-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.header-search .search-form:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

.header-search .search-input {
    flex: 1;
    padding: 5px 8px;
    font-size: 12px;
    background: transparent;
    color: var(--text-primary);
    border: none;
    outline: none;
    transition: all var(--transition-speed) ease;
}

.header-search .search-btn {
    padding: 5px 8px;
    font-size: 11px;
    border: none;
    background: var(--primary-color);
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    white-space: nowrap;
}

.header-search .search-btn:hover {
    background: var(--primary-hover);
}

/* 头部操作区域容器 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    margin-left: auto;
}

/* DJI风格的语言切换器 */
.language-switcher {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 5px;
    border: 1px solid var(--border-color);
    display: flex;
    gap: 6px;
}

.language-switcher a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 3px 8px;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    font-size: 12px;
    font-weight: 500;
}

.language-switcher a:hover {
    background-color: rgba(0, 102, 204, 0.05);
    color: var(--primary-color);
}

.language-switcher .current-language {
    background: var(--primary-color);
    color: var(--text-light);
    font-weight: 500;
}

/* 主要内容样式 */
main {
    padding: 40px 0;
    position: relative;
    z-index: 1;
}

/* 搜索表单样式 */
.search-form {
    margin: 30px 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.search-form form {
    display: flex;
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(0, 191, 255, 0.1);
    backdrop-filter: blur(5px);
}

/* 科幻风格搜索输入框 */
.search-input {
    flex: 1;
    padding: 15px 25px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
    position: relative;
}

.search-input:focus {
    background: rgba(255, 255, 255, 0.08);
}

.search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* 英雄区域科幻样式 */
.futuristic-hero {
    background: var(--medium-bg);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 0;
    margin-bottom: 0;
}

.futuristic-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.15) 0%, transparent 60%),
        linear-gradient(135deg, var(--dark-bg) 0%, var(--medium-bg) 100%);
    z-index: 0;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    text-shadow: 0 0 20px rgba(0, 191, 255, 0.3);
}

/* 产品相关科幻样式 */
.futuristic-price {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), #00bfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    text-shadow: 0 0 10px rgba(0, 191, 255, 0.2);
}

.product-image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    transition: all 0.5s ease;
}

.product-image-container:hover {
    transform: scale(1.02);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.8));
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
    pointer-events: none;
}

.product-image-container:hover .image-overlay {
    opacity: 1;
}

.tech-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 238, 255, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 238, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 238, 255, 0);
    }
}

/* 表单科幻样式 */
.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 191, 255, 0.3);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--glow-effect);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input.error, 
.form-group textarea.error {
    border-color: #ff4d4d;
    background: rgba(255, 77, 77, 0.05);
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.error-message {
    display: block;
    color: #ff4d4d;
    font-size: 14px;
    margin-top: 8px;
    padding-left: 5px;
    position: relative;
}

.error-message::before {
    content: '⚠';
    position: absolute;
    left: -10px;
    top: 0;
}

.search-form input[type="text"] {
    flex: 1;
    padding: 15px 25px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
}

.search-form input[type="text"]::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.search-btn {
    padding: 15px 30px;
    background: var(--primary-gradient);
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.search-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-effect);
}

.search-btn:hover::before {
    left: 100%;
}

/* 顶部导航搜索 */
.header-search {
    display: flex;
    margin-left: auto;
    margin-right: 20px;
    max-width: 300px;
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    overflow: hidden;
    border: 1px solid rgba(0, 191, 255, 0.1);
}

.header-search input {
    flex: 1;
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}

.header-search input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.header-search button {
    padding: 10px 20px;
    background: var(--primary-gradient);
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.header-search button:hover {
    box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary-gradient);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-effect);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-secondary:hover {
    background: rgba(0, 238, 255, 0.1);
    box-shadow: var(--glow-effect);
}

/* 主要内容样式 */
main {
    padding: 60px 0;
    position: relative;
}

main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 102, 204, 0.05) 0%, transparent 25%),
        radial-gradient(circle at 80% 70%, rgba(0, 191, 255, 0.05) 0%, transparent 30%);
    pointer-events: none;
}

/* 英雄区域样式 */
.hero {
    background: var(--dark-bg);
    color: var(--text-primary);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    border-radius: 0;
    margin-bottom: 0;

}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 191, 255, 0.15) 0%, transparent 70%);
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, var(--dark-bg) 0%, var(--medium-bg) 100%);
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, rgba(0, 191, 255, 0.05) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(0, 191, 255, 0.05) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(0, 191, 255, 0.05) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(0, 191, 255, 0.05) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* 产品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

/* 产品项样式 */
.product-item {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: all 0.4s ease;
    position: relative;
    border: 1px solid rgba(0, 191, 255, 0.1);
    backdrop-filter: blur(5px);
}

.product-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--glow-effect);
    border-color: rgba(0, 191, 255, 0.3);
}

.product-item:hover::before {
    transform: scaleX(1);
}

.product-item a {
    text-decoration: none;
    color: var(--text-primary);
    display: block;
    height: 100%;
}

.product-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

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

.no-image {
    width: 100%;
    height: 250px;
    background: var(--medium-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    border: 2px dashed rgba(0, 191, 255, 0.3);
}

.product-item h3 {
    padding: 20px 20px 10px;
    font-size: 20px;
    color: var(--text-primary);
    font-weight: 600;
    transition: color 0.3s ease;
}

.product-item:hover h3 {
    color: var(--accent-color);
}

.product-item .brand-model {
    padding: 0 20px 15px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
}

.product-item .price {
    padding: 0 20px 20px;
    color: var(--accent-color);
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), #00bfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 分类网格 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.category-item {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: all 0.4s ease;
    position: relative;
    border: 1px solid rgba(0, 191, 255, 0.1);
    backdrop-filter: blur(5px);
}

.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.category-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--glow-effect);
    border-color: rgba(0, 191, 255, 0.3);
}

.category-item:hover::before {
    transform: scaleX(1);
}

.category-item a {
    text-decoration: none;
    color: var(--text-primary);
    display: block;
    height: 100%;
}

.category-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

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

.category-item h3 {
    padding: 20px;
    font-size: 20px;
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
    transition: color 0.3s ease;
}

.category-item:hover h3 {
    color: var(--accent-color);
}

/* 页脚样式 */
footer {
    background: var(--dark-bg);
    color: var(--text-primary);
    padding: 60px 0 30px;
    margin-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-gradient);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
    display: inline-block;
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 14px;
}

/* 响应式设计调整 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .product-grid,
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 30px;
    }
    
    nav ul {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
}
/* 表单样式 */
.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.success-message {
    background: rgba(0, 255, 128, 0.1);
    border: 1px solid rgba(0, 255, 128, 0.3);
    color: #00ff80;
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
    position: relative;
}

.success-message::before {
    content: '✓';
    margin-right: 10px;
    color: #00ff80;
    font-weight: bold;
}

/* 主要按钮样式 */
.primary-button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary-gradient);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.primary-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-effect);
}

.primary-button:hover::before {
    left: 100%;
}

/* 无产品状态样式 */
.no-products {
    text-align: center;
    padding: 80px 40px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 191, 255, 0.2);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

.no-products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-gradient);
}

/* 分页控件样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.pagination a {
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 191, 255, 0.1);
    font-weight: 500;
}

.pagination a:hover {
    background: rgba(0, 191, 255, 0.2);
    color: var(--accent-color);
    box-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
    border-color: var(--accent-color);
}

.pagination a.active {
    background: var(--primary-gradient);
    color: var(--text-primary);
    border-color: var(--accent-color);
    box-shadow: var(--glow-effect);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .futuristic-hero {
        padding: 80px 20px;
    }
    
    .futuristic-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .futuristic-section {
        padding: 30px 20px;
    }
}

/* 产品详情样式 */
.product-detail {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    padding: 40px;
    border: 1px solid rgba(0, 191, 255, 0.2);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    margin-bottom: 40px;
}

.product-detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-gradient);
}

.product-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-header .brand-model {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: block;
}

.product-header .price {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 25px;
    display: inline-block;
    padding: 10px 20px;
    background: rgba(0, 191, 255, 0.1);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 191, 255, 0.3);
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.product-gallery {
    position: relative;
}

.product-gallery .main-image {
    position: relative;
    min-height: 400px;
}

.product-gallery .main-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    transition: opacity 0.3s ease;
}

/* 轮播导航按钮样式 */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-nav.prev {
    left: 10px;
}

.carousel-nav.next {
    right: 10px;
}

.carousel-nav:hover {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.thumbnail-images {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.thumbnail-images img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.thumbnail-images img:hover,
.thumbnail-images img.active {
    border-color: #3498db;
    transform: scale(1.05);
}

.no-image-large {
    width: 100%;
    height: 400px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    border-radius: 8px;
}

.product-info h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.product-info p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.specifications {
    margin-bottom: 20px;
}

.product-description {
    margin-top: 40px;
}

.product-description h3 {
    margin-bottom: 20px;
    font-size: 24px;
}

.description-content {
    line-height: 1.8;
}

.related-products {
    margin-top: 60px;
}

.related-products h3 {
    margin-bottom: 20px;
    font-size: 24px;
}

/* 分类树样式 */
.category-tree {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.category-list {
    list-style: none;
}

.category-main {
    margin-bottom: 20px;
}

.category-main > a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #333;
    font-size: 18px;
    font-weight: 500;
    padding: 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.category-main > a:hover {
    background-color: #f0f0f0;
}

.category-main img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    margin-right: 15px;
    border-radius: 4px;
}

.category-children {
    list-style: none;
    margin-left: 65px;
    margin-top: 10px;
}

.category-children li {
    margin-bottom: 10px;
}

.category-children a {
    text-decoration: none;
    color: #666;
    padding: 5px 10px;
    display: block;
    transition: color 0.3s, background-color 0.3s;
    border-radius: 4px;
}

.category-children a:hover {
    color: #333;
    background-color: #f0f0f0;
}

/* 关于我们页面样式 */
.about-us {
    padding: 60px 0;
    background: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.about-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 191, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.company-info {
    display: flex;
    gap: 40px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.about-brief {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 191, 255, 0.2);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(10px);
}

.about-brief h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.view-more {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary-gradient);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.view-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.view-more:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-effect);
}

.view-more:hover::before {
    left: 100%;
}

.company-info h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.company-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    margin-top: 40px;
    color: var(--text-primary);
}

.content-text {
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.content-text p {
    margin-bottom: 15px;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    gap: 5px;
}

.pagination a {
    padding: 8px 15px;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.pagination a:hover {
    background-color: #f0f0f0;
}

.pagination a.active {
    background-color: #333;
    color: #fff;
}

/* 无产品提示 */
.no-products {
    text-align: center;
    padding: 50px;
    color: #999;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-top: 30px;
}

/* DJI风格的页脚样式 */
.dji-footer {
    background: var(--background-light);
    color: var(--text-primary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: inline-block;
    letter-spacing: -0.5px;
}

.footer-column h3 {
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-speed) ease;
    line-height: 1.6;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.social-links {
    display: flex;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 16px;
    transition: color var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--background-white);
    border: 1px solid var(--border-color);
}

.social-links a:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 25px;
    }
    
    .nav-list {
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .dji-header {
        padding: 10px 0;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav {
        margin: 0;
    }
    
    .nav-list {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        max-width: 300px;
    }
    
    .header-search .search-form {
        max-width: 100%;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .nav-list {
        gap: 12px;
    }
    
    .nav-link {
        font-size: 13px;
    }
}

/* 404错误页面 */
.error-page {
    padding: 100px 0;
    text-align: center;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.error-page::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 191, 255, 0.2) 0%, transparent 70%);
    z-index: 0;
}

.error-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 191, 255, 0.2);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(10px);
}

.error-content h1 {
    font-size: 8rem;
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    letter-spacing: -2px;
}

.error-content h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.error-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

/* 联系我们页面 */
.contact-page {
    padding: 60px 0;
    background: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.contact-page::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(0, 191, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.contact-page h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.contact-info,
.contact-form {
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 191, 255, 0.2);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(10px);
}

.contact-info h2,
.contact-form h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-info p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.contact-item .icon {
    font-size: 1.5rem;
    min-width: 30px;
    text-align: center;
    color: var(--accent-color);
}

/* 表单样式 */
.futuristic-input,
.futuristic-textarea,
.futuristic-select {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 191, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    position: relative;
    overflow: hidden;
}

.futuristic-input:focus,
.futuristic-textarea:focus,
.futuristic-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(0, 191, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.futuristic-input.input-focus,
.futuristic-textarea.input-focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(0, 191, 255, 0.3);
}

.futuristic-input.input-typing,
.futuristic-textarea.input-typing {
    animation: typing-pulse 0.3s ease-in-out;
}

@keyframes typing-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.01); }
}

.form-group-focus {
    transform: translateY(-2px);
    transition: transform 0.3s ease;
}

.futuristic-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.futuristic-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    color: var(--accent-color);
    font-size: 18px;
}

.contact-form textarea {
    height: 180px;
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.error-message {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    color: #ff4d4d;
    padding: 12px;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    font-size: 14px;
    position: relative;
}

.error-message::before {
    content: '!';
    margin-right: 8px;
    font-weight: bold;
}

.success-message {
    background: rgba(0, 255, 128, 0.1);
    border: 1px solid rgba(0, 255, 128, 0.3);
    color: #00ff80;
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
    position: relative;
}

.success-message::before {
    content: '✓';
    margin-right: 10px;
    color: #00ff80;
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-page {
        padding: 40px 20px;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .contact-info h2,
    .contact-form h2 {
        font-size: 1.5rem;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .product-content {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .product-grid,
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 20px;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .product-detail,
    .category-tree,
    .about-us {
        padding: 20px;
    }
    
    .product-grid,
    .category-grid {
        grid-template-columns: 1fr;
    }
}