* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #ffffff;
}

/* 页面加载动画 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #ff6b35 0%, #ff8c5a 100%);
    transform: scaleX(0);
    transform-origin: left;
    z-index: 9999;
    animation: pageLoad 1s ease-out forwards;
}

@keyframes pageLoad {
    to {
        transform: scaleX(1);
    }
}

html {
    scroll-behavior: smooth;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    filter: brightness(1.05);
}

.logo-img {
    height: 45px;
    width: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
    transition: all 0.3s ease;
}

.logo:hover .logo-img {
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    cursor: pointer;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ff6b35;
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: #ff6b35;
}

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

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle span {
    width: 26px;
    height: 3px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s;
}

/* 首页横幅 */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://jhl-web.oss-cn-chengdu.aliyuncs.com/金狐狸/008e8b00d911037879e6885891259d69.jpg') center/cover;
    opacity: 0.15;
    animation: slowZoom 20s ease-in-out infinite alternate;
}

/* OSS 失效时的降级样式 */
body.use-local-resources .hero::before {
    background: url('resource/008e8b00d911037879e6885891259d69.jpg') center/cover;
}

@keyframes slowZoom {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.1);
    }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    font-weight: 800;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
    font-weight: 300;
    letter-spacing: 4px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.cta-button {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    background: #ff6b35;
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

.cta-button:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

/* 区块标题 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
    position: relative;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35 0%, #ff8c5a 100%);
    margin: 1rem auto 0;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* 产品展示 */
.products {
    padding: 4rem 0;
    background: #f8f9fa;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.product-grid .product-card {
    animation: fadeInUp 0.6s ease backwards;
}

.product-grid .product-card:nth-child(1) { animation-delay: 0.1s; }
.product-grid .product-card:nth-child(2) { animation-delay: 0.2s; }
.product-grid .product-card:nth-child(3) { animation-delay: 0.3s; }
.product-grid .product-card:nth-child(4) { animation-delay: 0.4s; }
.product-grid .product-card:nth-child(5) { animation-delay: 0.5s; }
.product-grid .product-card:nth-child(6) { animation-delay: 0.6s; }
.product-grid .product-card:nth-child(7) { animation-delay: 0.7s; }
.product-grid .product-card:nth-child(8) { animation-delay: 0.8s; }

.product-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 140, 90, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.2);
    border-color: rgba(255, 107, 53, 0.3);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card img[alt="图片加载失败"] {
    opacity: 0.5;
}

.product-card:hover img {
    transform: scale(1.08);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.95) 0%, rgba(255, 140, 90, 0.95) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-overlay span {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transform: translateY(10px);
    transition: transform 0.4s ease;
}

.product-card:hover .product-overlay span {
    transform: translateY(0);
}

/* 视频展示 */
.videos {
    padding: 4rem 0;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.video-grid .video-card {
    animation: fadeInUp 0.6s ease backwards;
}

.video-grid .video-card:nth-child(1) { animation-delay: 0.1s; }
.video-grid .video-card:nth-child(2) { animation-delay: 0.2s; }
.video-grid .video-card:nth-child(3) { animation-delay: 0.3s; }

.video-card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background: #000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.video-card video {
    width: 100%;
    display: block;
    max-height: 380px;
    object-fit: cover;
    background: #000;
}

/* 性能优化 - 仅在悬停时启用 will-change */
.product-card:hover,
.video-card:hover,
.feature-item:hover {
    will-change: transform;
}

/* 关于我们 */
.about {
    padding: 4rem 0;
    background: #f8f9fa;
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
}

.about-intro {
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 20px;
    position: relative;
}

.about-intro::after {
    content: '';
    display: block;
    width: 80px;
    height: 80px;
    margin: 1.5rem auto 0;
    background: url('https://jhl-web.oss-cn-chengdu.aliyuncs.com/金狐狸/logo-jhl.jpg') center/cover no-repeat;
    border-radius: 50%;
    opacity: 0.8;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    transition: all 0.3s ease;
}

/* OSS 失效时的降级样式 */
body.use-local-resources .about-intro::after {
    background: url('resource/logo-jhl.jpg') center/cover no-repeat;
}

.about-intro:hover::after {
    opacity: 1;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.intro-main {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
    line-height: 1.8;
    position: relative;
    display: inline-block;
}

.intro-main::before,
.intro-main::after {
    content: '"';
    font-size: 2rem;
    color: #ff6b35;
    opacity: 0.3;
    font-family: Georgia, serif;
}

.intro-main::after {
    content: '"';
}

.intro-sub {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.features .feature-item {
    animation: fadeInUp 0.6s ease backwards;
}

.features .feature-item:nth-child(1) { animation-delay: 0.1s; }
.features .feature-item:nth-child(2) { animation-delay: 0.2s; }
.features .feature-item:nth-child(3) { animation-delay: 0.3s; }
.features .feature-item:nth-child(4) { animation-delay: 0.4s; }
.features .feature-item:nth-child(5) { animation-delay: 0.5s; }
.features .feature-item:nth-child(6) { animation-delay: 0.6s; }

.feature-item {
    padding: 2rem 1.5rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    transition: left 0.6s ease;
}

.feature-item:hover::before {
    left: 100%;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(255, 107, 53, 0.15);
    border-color: rgba(255, 107, 53, 0.3);
}

.feature-item:active {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: transform 0.4s ease;
}

.feature-item:hover .feature-icon {
    transform: scale(1.2) rotate(5deg);
}

.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: #333;
}

.feature-item p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

.brand-story {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 3rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.brand-story::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35 0%, #ff8c5a 100%);
}

.brand-story h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
}

.brand-story h3::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #ff6b35;
    margin: 0.8rem auto 0;
    border-radius: 2px;
}

.brand-story p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #555;
    margin-bottom: 1.2rem;
    text-align: justify;
}

.brand-story p:last-child {
    margin-bottom: 0;
}

.contact-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem 2.5rem;
    border-radius: 16px;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

.contact-info::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.contact-item::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 0.6s ease;
}

.contact-item:hover::before {
    left: 100%;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.contact-item p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 0;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    text-align: center;
    padding: 2rem 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, #ff6b35 50%, transparent 100%);
}

.footer p {
    opacity: 0.9;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    -webkit-tap-highlight-color: transparent;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
}

.back-to-top:active {
    transform: translateY(-2px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* 图片灯箱 */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    cursor: zoom-out;
    animation: fadeIn 0.3s ease;
    padding: 20px;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 2001;
    line-height: 1;
}

.lightbox-close:hover {
    background: rgba(255, 107, 53, 0.9);
    border-color: #ff6b35;
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.lightbox-prev,
.lightbox-next {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: all;
    line-height: 1;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 107, 53, 0.9);
    border-color: #ff6b35;
    transform: scale(1.1);
}

.lightbox-prev:active,
.lightbox-next:active {
    transform: scale(0.95);
}

/* 加载动画 */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

/* 资源降级提示 */
.resource-notice {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1001;
    animation: slideInRight 0.4s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notice-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.notice-content:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
}

.notice-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.notice-text {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.notice-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.3rem;
    line-height: 1;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.notice-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}



.loader-content {
    text-align: center;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loader-text {
    color: white;
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 2px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* 面包屑导航 */
.breadcrumb {
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
    padding: 1rem 0;
    margin-top: 65px;
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0.2rem 0.3rem;
    border-radius: 4px;
}

.breadcrumb a:hover {
    color: #ff6b35;
    background: rgba(255, 107, 53, 0.1);
}

.breadcrumb a.active,
.breadcrumb span.active {
    color: #ff6b35;
    font-weight: 500;
}

.breadcrumb span {
    color: #999;
    margin: 0 0.5rem;
}

/* 首页预览区块 */
.home-preview {
    padding: 2.5rem 0;
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    position: relative;
}

.home-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 107, 53, 0.2) 50%, transparent 100%);
}

.home-preview.videos-section {
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 50%, #ffffff 100%);
    padding: 2.5rem 0;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.more-link {
    color: #ff6b35;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.more-link:hover {
    transform: translateX(5px);
    opacity: 0.8;
}

.more-link:active {
    transform: translateX(3px);
}

/* 首页关于简介 */
.home-about {
    padding: 2.5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.home-about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
}

.home-about .section-title {
    color: white;
}

.home-about .section-title::after {
    background: white;
}

.about-brief {
    max-width: 800px;
    margin: 0 auto 1.5rem;
    font-size: 1.2rem;
    line-height: 1.8;
}

.cta-button.secondary {
    background: white;
    color: #667eea;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.cta-button.secondary:hover {
    background: #f8f9fa;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.cta-button.secondary:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* 分类页面 */
.category-page {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
    margin-top: 65px;
}

.page-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: #333;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 0.8rem;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35 0%, #ff8c5a 100%);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    animation: slideIn 0.6s ease;
}

@keyframes slideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 80px;
        opacity: 1;
    }
}

/* 详情页面 */
.detail-page {
    padding: 2rem 0 4rem;
    min-height: calc(100vh - 200px);
    margin-top: 65px;
}

.back-button {
    background: #f8f9fa;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    color: #333;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.back-button:hover {
    background: #e9ecef;
    transform: translateX(-3px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

.back-button:active {
    transform: translateX(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.detail-content {
    max-width: 1000px;
    margin: 0 auto;
}

.image-detail,
.video-detail {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.05);
    animation: fadeInScale 0.5s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.image-detail img {
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    background: #f8f9fa;
}

.video-detail video {
    width: 100%;
    max-height: 600px;
    background: #000;
}

.detail-info {
    padding: 2.5rem;
}

.detail-info h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.detail-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 2rem;
}

.detail-features {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.detail-tag {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-size: 0.95rem;
    color: #333;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    display: inline-block;
    font-weight: 500;
}

.detail-tag:hover {
    background: linear-gradient(135deg, #fff 0%, #fff5f0 100%);
    border-color: #ff6b35;
    color: #ff6b35;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
}

/* 视频卡片悬停效果 */
.video-card {
    position: relative;
    cursor: pointer;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.video-overlay span {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.4s ease;
}

.video-card:hover .video-overlay span {
    transform: scale(1);
}

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

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

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* 响应式设计 - 平板和小屏幕 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top svg {
        width: 20px;
        height: 20px;
    }
    
    .lightbox img {
        max-width: 95%;
        max-height: 85vh;
    }
    
    .lightbox-close {
        top: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1.8rem;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 45px;
        height: 45px;
        font-size: 1.8rem;
    }
    
    .navbar {
        height: 60px;
    }
    
    .breadcrumb {
        margin-top: 60px;
        font-size: 0.9rem;
        padding: 0.8rem 0;
    }
    
    .nav-menu {
        top: 60px;
    }
    
    .category-page,
    .detail-page {
        margin-top: 60px;
        padding: 2rem 0;
    }
    
    .page-title {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    
    .detail-info {
        padding: 1.5rem;
    }
    
    .detail-info h1 {
        font-size: 1.5rem;
    }
    
    .detail-desc {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .image-detail img {
        max-height: 400px;
    }
    
    .video-detail video {
        max-height: 400px;
    }
    
    .home-preview,
    .home-preview.videos-section {
        padding: 1.5rem 0;
    }
    
    .preview-header {
        margin-bottom: 1.2rem;
    }
    
    .more-link {
        font-size: 1rem;
    }
    
    .home-about {
        padding: 2rem 0;
    }
    
    .about-brief {
        font-size: 1rem;
        padding: 0 15px;
        margin-bottom: 1.2rem;
    }
    
    .navbar .container {
        flex-direction: row;
        justify-content: space-between;
        padding: 1rem 15px;
    }
    
    .logo {
        gap: 0.6rem;
        user-select: none;
    }
    
    .logo-img {
        height: 38px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 65px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 0.5rem 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        gap: 0;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f5f5f5;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        display: block;
        padding: 1.2rem 1rem;
        font-size: 1.05rem;
    }
    
    .hero {
        height: 70vh;
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    
    .products,
    .videos,
    .about {
        padding: 2.5rem 0;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .product-card {
        border-radius: 8px;
    }
    
    .product-card img {
        height: 200px;
    }
    
    .product-card:active {
        transform: scale(0.98);
    }
    
    .video-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .video-card {
        border-radius: 8px;
    }
    
    .video-card:active {
        transform: scale(0.98);
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        margin-bottom: 2.5rem;
    }
    
    .feature-item {
        padding: 1.5rem 1.2rem;
    }
    
    .intro-main {
        font-size: 1.2rem;
    }
    
    .intro-sub {
        font-size: 1rem;
    }
    
    .about-intro::after {
        width: 60px;
        height: 60px;
        margin-top: 1.2rem;
    }
    
    .brand-story {
        padding: 2rem 1.5rem;
        margin-bottom: 2rem;
    }
    
    .brand-story h3 {
        font-size: 1.5rem;
    }
    
    .brand-story p {
        font-size: 0.95rem;
    }
    
    .contact-info {
        padding: 2rem 1.5rem;
    }
    
    .contact-info h3 {
        font-size: 1.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .lightbox img {
        max-width: 95%;
        max-height: 80%;
    }
    
    .lightbox .close {
        top: 10px;
        right: 20px;
        font-size: 2.5rem;
    }
}

/* 响应式设计 - 手机端 */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
    }
    
    .back-to-top svg {
        width: 18px;
        height: 18px;
    }
    
    .lightbox {
        padding: 10px;
    }
    
    .lightbox img {
        max-width: 100%;
        max-height: 80vh;
        border-radius: 4px;
    }
    
    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .lightbox-nav {
        padding: 0 10px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .loader-spinner {
        width: 50px;
        height: 50px;
    }
    
    .loader-text {
        font-size: 1rem;
    }
    
    .breadcrumb {
        font-size: 0.85rem;
        padding: 0.7rem 0;
    }
    
    .breadcrumb span {
        margin: 0 0.3rem;
    }
    
    .category-page,
    .detail-page {
        padding: 1.5rem 0;
    }
    
    .page-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .back-button {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .detail-info {
        padding: 1.2rem;
    }
    
    .detail-info h1 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    
    .detail-desc {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }
    
    .detail-features {
        gap: 0.6rem;
    }
    
    .detail-tag {
        font-size: 0.8rem;
        padding: 0.5rem 0.9rem;
    }
    
    .image-detail img {
        max-height: 300px;
    }
    
    .video-detail video {
        max-height: 300px;
    }
    
    .home-preview,
    .home-preview.videos-section {
        padding: 1.5rem 0;
    }
    
    .preview-header {
        margin-bottom: 1.2rem;
    }
    
    .more-link {
        font-size: 0.9rem;
    }
    
    .home-about {
        padding: 1.5rem 0;
    }
    
    .about-brief {
        font-size: 0.9rem;
        padding: 0 12px;
        line-height: 1.7;
        margin-bottom: 1rem;
    }
    
    .navbar .container {
        padding: 0.8rem 12px;
    }
    
    .logo {
        gap: 0.5rem;
    }
    
    .logo-img {
        height: 32px;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .navbar {
        height: 56px;
    }
    
    .nav-menu {
        top: 56px;
    }
    
    .nav-menu a {
        padding: 1rem 0.8rem;
        font-size: 0.95rem;
        cursor: pointer;
    }
    
    .hero {
        height: 60vh;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.8rem;
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.6rem;
        margin-bottom: 1.2rem;
    }
    
    .products,
    .videos,
    .about {
        padding: 2rem 0;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .product-card {
        border-radius: 6px;
    }
    
    .product-card img {
        height: 160px;
    }
    
    .product-overlay span {
        font-size: 0.85rem;
    }
    
    /* 移动端触摸优化 */
    .product-card:active {
        transform: scale(0.95);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .video-grid {
        gap: 0.6rem;
    }
    
    .video-card {
        border-radius: 6px;
    }
    
    .video-card video {
        max-height: 240px;
    }
    
    .video-card:active {
        transform: scale(0.95);
    }
    
    .video-overlay span {
        font-size: 1.2rem;
    }
    
    .features {
        gap: 1rem;
    }
    
    .feature-item {
        padding: 1.2rem 1rem;
    }
    
    .feature-icon {
        font-size: 2rem;
        margin-bottom: 0.6rem;
    }
    
    .feature-item h3 {
        font-size: 1rem;
        margin-bottom: 0.4rem;
    }
    
    .feature-item p {
        font-size: 0.85rem;
    }
    
    .intro-main {
        font-size: 1.1rem;
    }
    
    .intro-sub {
        font-size: 0.9rem;
    }
    
    .about-intro::after {
        width: 50px;
        height: 50px;
        margin-top: 1rem;
    }
    
    .brand-story {
        padding: 1.5rem 1.2rem;
    }
    
    .brand-story h3 {
        font-size: 1.3rem;
    }
    
    .brand-story p {
        font-size: 0.85rem;
        line-height: 1.7;
    }
    
    .contact-info {
        padding: 1.5rem 1.2rem;
    }
    
    .contact-info h3 {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }
    
    .contact-item {
        padding: 1.2rem;
    }
    
    .contact-icon {
        font-size: 1.5rem;
    }
    
    .contact-item strong {
        font-size: 1rem;
    }
    
    .contact-item p {
        font-size: 0.85rem;
    }
    
    .lightbox .close {
        top: 15px;
        right: 15px;
        font-size: 2rem;
        width: 40px;
        height: 40px;
    }
    
    .resource-notice {
        top: 65px;
        right: 12px;
        left: 12px;
    }
    
    .notice-content {
        padding: 0.7rem 1rem;
    }
    
    .notice-icon {
        font-size: 1.3rem;
    }
    
    .notice-text {
        font-size: 0.85rem;
    }
    
    .notice-close {
        width: 24px;
        height: 24px;
        font-size: 1.1rem;
    }
    
    .footer {
        padding: 1.5rem 0;
        font-size: 0.9rem;
    }
    
    .resource-notice {
        top: 65px;
        right: 12px;
        left: 12px;
    }
    
    .notice-content {
        padding: 0.7rem 1rem;
    }
    
    .notice-icon {
        font-size: 1.3rem;
    }
    
    .notice-text {
        font-size: 0.85rem;
    }
    
    .notice-close {
        width: 24px;
        height: 24px;
        font-size: 1.1rem;
    }
}

/* 超小屏幕优化 (iPhone SE, 小屏安卓) */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }
    
    .breadcrumb {
        font-size: 0.8rem;
        padding: 0.6rem 0;
    }
    
    .page-title {
        font-size: 1.3rem;
        margin-bottom: 1.2rem;
    }
    
    .back-button {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .detail-info {
        padding: 1rem;
    }
    
    .detail-info h1 {
        font-size: 1.2rem;
    }
    
    .detail-desc {
        font-size: 0.85rem;
    }
    
    .detail-tag {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
    
    .hero-title {
        font-size: 1.4rem;
    }
    
    .hero-subtitle {
        font-size: 0.8rem;
    }
    
    .cta-button {
        padding: 0.7rem 1.3rem;
        font-size: 0.85rem;
    }
    
    .section-title {
        font-size: 1.3rem;
        margin-bottom: 1.2rem;
    }
    
    .section-title::after {
        width: 40px;
        height: 3px;
    }
    
    .more-link {
        font-size: 0.85rem;
    }
    
    .product-grid {
        gap: 0.4rem;
    }
    
    .product-card img {
        height: 140px;
    }
    
    .product-overlay span {
        font-size: 0.8rem;
    }
    
    .video-grid {
        gap: 0.5rem;
    }
    
    .video-card video {
        max-height: 200px;
    }
    
    .video-overlay span {
        font-size: 1rem;
    }
    
    .feature-item {
        padding: 1rem 0.8rem;
    }
    
    .feature-icon {
        font-size: 1.8rem;
    }
    
    .feature-item h3 {
        font-size: 0.95rem;
    }
    
    .feature-item p {
        font-size: 0.8rem;
    }
    
    .about-brief {
        font-size: 0.85rem;
    }
}

/* 横屏模式优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        height: 100vh;
        min-height: 400px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
}

/* 骨架屏样式 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 12px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-card {
    pointer-events: none;
    cursor: default;
}

.skeleton-image {
    width: 100%;
    height: 280px;
    border-radius: 12px;
}

.skeleton-video {
    width: 100%;
    height: 380px;
    border-radius: 12px;
    background: linear-gradient(90deg, #2a2a2a 25%, #1a1a1a 50%, #2a2a2a 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

/* 骨架屏响应式 */
@media (max-width: 768px) {
    .skeleton-image {
        height: 220px;
    }
    
    .skeleton-video {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .skeleton-image {
        height: 160px;
    }
    
    .skeleton-video {
        height: 240px;
    }
}

@media (max-width: 360px) {
    .skeleton-image {
        height: 140px;
    }
    
    .skeleton-video {
        height: 200px;
    }
}

/* 灯箱图片容器 */
.lightbox-image-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.lightbox-image-container img {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    touch-action: none;
    -webkit-touch-callout: none;
}

/* Safari 浏览器优化 */
.lightbox {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

.lightbox button {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    cursor: pointer;
}

/* 产品卡片点击优化 */
.product-card {
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/* 缩放控制按钮 */
.lightbox-zoom-controls {
    position: absolute;
    top: 80px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2002;
}

.zoom-btn {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-weight: bold;
    line-height: 1;
}

.zoom-btn:hover {
    background: rgba(255, 107, 53, 0.9);
    border-color: #ff6b35;
    transform: scale(1.1);
}

.zoom-btn:active {
    transform: scale(0.95);
}

/* 缩放提示 */
.lightbox-hint {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    z-index: 2002;
    animation: fadeInOut 3s ease-in-out;
    pointer-events: none;
}

@keyframes fadeInOut {
    0%, 100% {
        opacity: 0;
    }
    10%, 90% {
        opacity: 1;
    }
}

/* 图片计数器 */
.lightbox-counter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 500;
    z-index: 2002;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* 移动端优化 */
@media (max-width: 768px) {
    .lightbox-zoom-controls {
        top: 70px;
        right: 15px;
        gap: 8px;
    }
    
    .zoom-btn {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }
    
    .lightbox-hint {
        bottom: 70px;
        font-size: 0.85rem;
        padding: 0.6rem 1.2rem;
    }
    
    .lightbox-counter {
        bottom: 20px;
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 480px) {
    .lightbox-zoom-controls {
        top: 65px;
        right: 10px;
        gap: 6px;
    }
    
    .zoom-btn {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }
    
    .lightbox-hint {
        bottom: 65px;
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
        max-width: 90%;
        text-align: center;
    }
    
    .lightbox-counter {
        bottom: 15px;
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 360px) {
    .lightbox-zoom-controls {
        top: 60px;
        right: 8px;
        gap: 5px;
    }
    
    .zoom-btn {
        width: 32px;
        height: 32px;
        font-size: 1.1rem;
        border-width: 1.5px;
    }
    
    .lightbox-hint {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
    
    .lightbox-counter {
        font-size: 0.8rem;
        padding: 0.3rem 0.7rem;
    }
}

/* 公司简介标题 */
.intro-title {
    font-size: 1.6rem;
    color: #333;
    margin-bottom: 1.2rem;
    text-align: center;
    font-weight: 600;
    position: relative;
}

.intro-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #ff6b35 0%, #ff8c5a 100%);
    margin: 0.6rem auto 0;
    border-radius: 2px;
}

/* 产品线展示区块 */
.product-line-section {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    margin-bottom: 3rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.subsection-title {
    font-size: 1.6rem;
    color: #333;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 600;
    position: relative;
}

.subsection-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #ff6b35 0%, #ff8c5a 100%);
    margin: 0.6rem auto 0;
    border-radius: 2px;
}

.product-line-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.product-line-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.2rem 0.8rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.product-line-item:hover {
    background: linear-gradient(135deg, #fff 0%, #fff5f0 100%);
    border-color: #ff6b35;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(255, 107, 53, 0.2);
}

.product-line-icon {
    font-size: 2.5rem;
    transition: transform 0.3s ease;
}

.product-line-item:hover .product-line-icon {
    transform: scale(1.15) rotate(5deg);
}

.product-line-name {
    font-size: 0.95rem;
    color: #333;
    font-weight: 500;
    text-align: center;
}

/* 市场定位区块 */
.market-positioning {
    background: linear-gradient(135deg, #fff5f0 0%, #ffffff 100%);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    margin-bottom: 3rem;
    border: 2px solid rgba(255, 107, 53, 0.1);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.08);
}

.positioning-desc {
    font-size: 1.1rem;
    line-height: 1.9;
    color: #555;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* 未来规划区块 */
.future-plan {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    margin-bottom: 3rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.plan-item {
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    border: 2px solid #e9ecef;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.plan-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    transition: left 0.6s ease;
}

.plan-item:hover::before {
    left: 100%;
}

.plan-item:hover {
    background: linear-gradient(135deg, #fff 0%, #fff5f0 100%);
    border-color: #ff6b35;
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.2);
}

.plan-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: transform 0.4s ease;
}

.plan-item:hover .plan-icon {
    transform: scale(1.2) rotate(10deg);
}

.plan-item h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.plan-item p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* 响应式优化 - 平板 */
@media (max-width: 768px) {
    .intro-title {
        font-size: 1.4rem;
    }
    
    .product-line-section,
    .market-positioning,
    .future-plan {
        padding: 2rem 1.5rem;
        margin-bottom: 2rem;
    }
    
    .subsection-title {
        font-size: 1.4rem;
    }
    
    .product-line-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 0.8rem;
    }
    
    .product-line-item {
        padding: 1rem 0.6rem;
    }
    
    .product-line-icon {
        font-size: 2rem;
    }
    
    .product-line-name {
        font-size: 0.85rem;
    }
    
    .positioning-desc {
        font-size: 1rem;
    }
    
    .plan-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.2rem;
    }
    
    .plan-item {
        padding: 1.5rem 1.2rem;
    }
    
    .plan-icon {
        font-size: 2rem;
    }
    
    .plan-item h4 {
        font-size: 1.1rem;
    }
    
    .plan-item p {
        font-size: 0.9rem;
    }
}

/* 响应式优化 - 手机 */
@media (max-width: 480px) {
    .intro-title {
        font-size: 1.2rem;
    }
    
    .product-line-section,
    .market-positioning,
    .future-plan {
        padding: 1.5rem 1.2rem;
        margin-bottom: 1.5rem;
    }
    
    .subsection-title {
        font-size: 1.2rem;
        margin-bottom: 1.2rem;
    }
    
    .subsection-title::after {
        width: 30px;
        height: 2px;
    }
    
    .product-line-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.6rem;
    }
    
    .product-line-item {
        padding: 0.8rem 0.5rem;
    }
    
    .product-line-icon {
        font-size: 1.8rem;
    }
    
    .product-line-name {
        font-size: 0.75rem;
    }
    
    .positioning-desc {
        font-size: 0.9rem;
        line-height: 1.7;
    }
    
    .plan-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .plan-item {
        padding: 1.2rem 1rem;
    }
    
    .plan-icon {
        font-size: 1.8rem;
        margin-bottom: 0.8rem;
    }
    
    .plan-item h4 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    
    .plan-item p {
        font-size: 0.85rem;
    }
}

/* 响应式优化 - 超小屏 */
@media (max-width: 360px) {
    .intro-title {
        font-size: 1.1rem;
    }
    
    .product-line-section,
    .market-positioning,
    .future-plan {
        padding: 1.2rem 1rem;
        margin-bottom: 1.2rem;
    }
    
    .subsection-title {
        font-size: 1.1rem;
    }
    
    .product-line-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
    
    .product-line-item {
        padding: 0.6rem 0.4rem;
    }
    
    .product-line-icon {
        font-size: 1.5rem;
    }
    
    .product-line-name {
        font-size: 0.7rem;
    }
    
    .positioning-desc {
        font-size: 0.85rem;
    }
    
    .plan-item {
        padding: 1rem 0.8rem;
    }
    
    .plan-icon {
        font-size: 1.6rem;
    }
    
    .plan-item h4 {
        font-size: 0.95rem;
    }
    
    .plan-item p {
        font-size: 0.8rem;
    }
}