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

:root {
    --primary-color: #00d4ff;
    --secondary-color: #0066ff;
    --accent-color: #00ff88;
    --dark-bg: #0a0e1a;
    --darker-bg: #050810;
    --card-bg: rgba(15, 23, 42, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --border-color: rgba(0, 212, 255, 0.2);
    --glow-color: rgba(0, 212, 255, 0.5);
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
    --gradient-accent: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===== 粒子背景 ===== */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ===== Hero 区域 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 100px 20px 50px;
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px var(--glow-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--glow-color);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

/* Hero 视觉元素 */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.tech-circle {
    width: 400px;
    height: 400px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circle-inner {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: 0 0 60px var(--glow-color), inset 0 0 30px rgba(255, 255, 255, 0.1);
    animation: pulse 3s ease-in-out infinite;
}

.orbit {
    position: absolute;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.orbit::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--primary-color);
}

.orbit-1 {
    width: 250px;
    height: 250px;
}

.orbit-1::before {
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
}

.orbit-2 {
    width: 320px;
    height: 320px;
    animation-duration: 30s;
    animation-direction: reverse;
}

.orbit-2::before {
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
}

.orbit-3 {
    width: 400px;
    height: 400px;
    animation-duration: 40s;
}

.orbit-3::before {
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== 通用 Section 样式 ===== */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--primary-color);
    letter-spacing: 3px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ===== 关于我们 ===== */
.about {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.tech-card {
    width: 100%;
    max-width: 350px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    opacity: 0.1;
    animation: glow-rotate 10s linear infinite;
}

@keyframes glow-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.card-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.icon-box {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-box svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.tech-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.tech-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== 产品中心 ===== */
.products {
    background: var(--darker-bg);
}

.product-categories {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 12px 30px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 20px var(--glow-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.product-card.hidden {
    display: none;
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-placeholder svg {
    width: 80px;
    height: 80px;
    stroke: var(--primary-color);
    opacity: 0.6;
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.product-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* ===== 技术优势 ===== */
.advantages {
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon svg {
    width: 35px;
    height: 35px;
    stroke: white;
}

.advantage-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== 联系我们 ===== */
.contact {
    background: var(--dark-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.contact-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-form {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

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

.btn-block {
    width: 100%;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 15px;
    font-size: 0.9rem;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        margin-top: 50px;
    }
    
    .tech-circle {
        width: 300px;
        height: 300px;
    }
    
    .circle-inner {
        width: 100px;
        height: 100px;
    }
    
    .orbit-1 { width: 180px; height: 180px; }
    .orbit-2 { width: 240px; height: 240px; }
    .orbit-3 { width: 300px; height: 300px; }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 26, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
}

/* ===== 面包屑导航 ===== */
.breadcrumb-section {
    padding: 100px 0 20px;
    position: relative;
    z-index: 1;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.breadcrumb .separator {
    color: var(--text-secondary);
    opacity: 0.5;
}

.breadcrumb .current {
    color: var(--primary-color);
}

/* ===== 产品详情主体 ===== */
.product-detail {
    padding: 30px 0 80px;
    position: relative;
    z-index: 1;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
}

/* 产品图片区域 */
.detail-gallery {
    position: relative;
}

.gallery-main {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(0, 102, 255, 0.08) 100%);
}

.gallery-placeholder svg {
    width: 120px;
    height: 120px;
    stroke: var(--primary-color);
    opacity: 0.5;
}

.gallery-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* 产品信息区域 */
.detail-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.detail-category {
    display: inline-block;
    color: var(--primary-color);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.detail-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.detail-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.detail-features,
.detail-specs {
    margin-bottom: 30px;
}

.detail-features h3,
.detail-specs h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.features-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px var(--primary-color);
}

.specs-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
}

.spec-label {
    color: var(--text-secondary);
}

.spec-value {
    color: var(--text-primary);
    font-weight: 600;
}

.detail-actions {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

/* 产品详细介绍 */
.detail-content {
    margin-bottom: 80px;
}

.content-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
}

.content-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    margin-bottom: 25px;
}

.title-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.title-icon svg {
    width: 22px;
    height: 22px;
    stroke: white;
}

.content-body {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.9;
}

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

.content-body ul {
    list-style: none;
    padding: 0;
}

.content-body ul li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.content-body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

/* 相关产品推荐 */
.related-products {
    margin-top: 40px;
}

.related-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.related-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.related-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 30px rgba(0, 212, 255, 0.15);
}

.related-image {
    height: 150px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(0, 102, 255, 0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-image svg {
    width: 50px;
    height: 50px;
    stroke: var(--primary-color);
    opacity: 0.5;
}

.related-info {
    padding: 20px;
}

.related-info h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.related-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* 产品详情响应式 */
@media (max-width: 1024px) {
    .detail-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .detail-title {
        font-size: 2rem;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .detail-title {
        font-size: 1.6rem;
    }

    .specs-table {
        grid-template-columns: 1fr;
    }

    .detail-actions {
        flex-direction: column;
    }

    .detail-actions .btn {
        width: 100%;
        text-align: center;
    }

    .content-section {
        padding: 25px;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .breadcrumb {
        flex-wrap: wrap;
    }
}

/* ===== 滚动产品展示 ===== */
.showcase {
    padding: 80px 0 60px;
    position: relative;
    z-index: 1;
    overflow: hidden;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 50%, var(--dark-bg) 100%);
}

.showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 600px 300px at 20% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 70%),
        radial-gradient(ellipse 600px 300px at 80% 50%, rgba(0, 102, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.showcase-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.showcase-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.showcase-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 滚动轨道容器 */
.showcase-track-wrapper {
    position: relative;
    margin-bottom: 25px;
    /* 左右渐隐遮罩 */
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.showcase-track {
    display: flex;
    gap: 25px;
    width: max-content;
}

.showcase-track-left {
    animation: scrollLeft 40s linear infinite;
}

.showcase-track-right {
    animation: scrollRight 45s linear infinite;
}

.showcase-track-wrapper:hover .showcase-track {
    animation-play-state: paused;
}

@keyframes scrollLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes scrollRight {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

/* 展示卡片 */
.showcase-card {
    flex-shrink: 0;
    width: 280px;
    background: rgba(10, 14, 26, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
}

.showcase-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), transparent 50%, rgba(0, 255, 136, 0.2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.showcase-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.2), 0 0 30px rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.4);
}

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

.showcase-card-wide {
    width: 380px;
}

/* 产品图片区域 */
.showcase-img {
    position: relative;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.showcase-card-wide .showcase-img {
    height: 220px;
}

.showcase-img-inner {
    width: 80%;
    height: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.showcase-img-inner svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
    transition: all 0.4s ease;
}

.showcase-card:hover .showcase-img-inner svg {
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.5));
    transform: scale(1.05);
}

/* 扫描线效果 */
.showcase-scanline {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.6), transparent);
    animation: scanline 3s ease-in-out infinite;
    z-index: 3;
}

@keyframes scanline {
    0% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* 四角装饰 */
.showcase-corner {
    position: absolute;
    width: 16px;
    height: 16px;
    z-index: 4;
}

.showcase-corner::before,
.showcase-corner::after {
    content: '';
    position: absolute;
    background: var(--primary-color);
}

.showcase-corner.tl { top: 8px; left: 8px; }
.showcase-corner.tl::before { top: 0; left: 0; width: 16px; height: 2px; }
.showcase-corner.tl::after { top: 0; left: 0; width: 2px; height: 16px; }

.showcase-corner.tr { top: 8px; right: 8px; }
.showcase-corner.tr::before { top: 0; right: 0; width: 16px; height: 2px; }
.showcase-corner.tr::after { top: 0; right: 0; width: 2px; height: 16px; }

.showcase-corner.bl { bottom: 8px; left: 8px; }
.showcase-corner.bl::before { bottom: 0; left: 0; width: 16px; height: 2px; }
.showcase-corner.bl::after { bottom: 0; left: 0; width: 2px; height: 16px; }

.showcase-corner.br { bottom: 8px; right: 8px; }
.showcase-corner.br::before { bottom: 0; right: 0; width: 16px; height: 2px; }
.showcase-corner.br::after { bottom: 0; right: 0; width: 2px; height: 16px; }

/* 卡片信息 */
.showcase-card-info {
    padding: 18px 20px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
}

.showcase-card-info h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.showcase-card-info p {
    font-size: 0.85rem;
    color: var(--primary-color);
    opacity: 0.8;
}

/* 展示区响应式 */
@media (max-width: 768px) {
    .showcase {
        padding: 60px 0 40px;
    }

    .showcase-title {
        font-size: 2rem;
    }

    .showcase-card {
        width: 240px;
    }

    .showcase-card-wide {
        width: 300px;
    }

    .showcase-img {
        height: 180px;
    }
}