/* =============================================
   山东华铭自控设备研究院 - 官方网站样式
   设计风格：高科技感、深色主题、响应式设计
   ============================================= */

/* CSS变量 - 统一配色方案 */
:root {
    --primary-color: #00d4ff;
    --primary-dark: #00a8cc;
    --secondary-color: #0066ff;
    --accent-color: #00ffcc;
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --text-muted: #6a6a7a;
    --border-color: #2a2a3a;
    --glow-color: rgba(0, 212, 255, 0.3);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
    --gradient-accent: linear-gradient(135deg, #00ffcc 0%, #00d4ff 100%);
}

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

html {
    scroll-behavior: smooth;
}

 a, ul, li{
     margin: 0;
     padding: 0;
     background: transparent;
     border: 0;
     outline: none;
}

ol, ul {
    list-style: none;
}

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

/* 容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =============================================
   图片美化效果
   ============================================= */

/* 图片基础样式：增加科技感 */
img {
    display: block;
    max-width: 100%;
    height: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* 产品图片装饰 */
.product-main-img {
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.5),
        inset 0 0 60px rgba(0, 212, 255, 0.05);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.15));
    animation: imgGlow 3s ease-in-out infinite alternate;
    max-width: 100%;
    height: auto;
}

@keyframes imgGlow {
    0% {
        box-shadow:
            0 10px 30px rgba(0, 0, 0, 0.5),
            inset 0 0 60px rgba(0, 212, 255, 0.05),
            0 0 20px rgba(0, 212, 255, 0.1);
    }
    100% {
        box-shadow:
            0 10px 30px rgba(0, 0, 0, 0.5),
            inset 0 0 60px rgba(0, 212, 255, 0.08),
            0 0 30px rgba(0, 212, 255, 0.2);
    }
}

.product-main-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 212, 255, 0.1) 0%,
        transparent 40%,
        transparent 60%,
        rgba(0, 212, 255, 0.05) 100%
    );
    border-radius: 12px;
    pointer-events: none;
    z-index: 2;
    opacity: 0.6;
    animation: scanLine 4s ease-in-out infinite;
}

@keyframes scanLine {
    0%, 100% {
        opacity: 0.6;
        transform: translateY(-100%);
    }
    50% {
        opacity: 1;
        transform: translateY(100%);
    }
}

.product-image-wrapper {
    position: relative;
    border-radius: 15px;
    padding: 5px;
    background: linear-gradient(
        135deg,
        rgba(0, 212, 255, 0.2) 0%,
        rgba(0, 102, 255, 0.1) 50%,
        rgba(0, 212, 255, 0.2) 100%
    );
}

.product-image-wrapper:hover {
    padding: 3px;
}

.product-image-wrapper:hover .product-main-img {
    filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.4))
            brightness(1.08)
            saturate(1.1);
    transform: scale(1.02);
}

/* 案例图片美化 */
.case-img-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
}

.case-img-wrapper img {
    border-radius: 10px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter:
        saturate(0.95)
        contrast(1.02)
        brightness(0.9);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.case-img-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 212, 255, 0.08),
        transparent
    );
    z-index: 2;
    transition: left 0.8s ease;
}

.case-card:hover .case-img-wrapper::before {
    left: 100%;
}

.case-card:hover .case-img-wrapper img {
    transform: scale(1.08) rotate(1deg);
    filter:
        saturate(1.1)
        contrast(1.05)
        brightness(1);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.25);
}

/* 案例图片增加边框装饰 */
.case-img-wrapper {
    border: 1px solid rgba(0, 212, 255, 0.15);
    padding: 2px;
    background: linear-gradient(
        135deg,
        rgba(0, 212, 255, 0.1),
        transparent,
        rgba(0, 212, 255, 0.05)
    );
}

/* 图片加载占位效果 */
img:not([src]) {
    background: linear-gradient(
        90deg,
        var(--bg-card) 0%,
        var(--bg-card-hover) 50%,
        var(--bg-card) 100%
    );
    animation: shimmer 1.5s infinite;
    min-height: 200px;
}

img[src=""] {
    background: var(--bg-card);
    min-height: 200px;
}

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

/* 图片边框装饰通用类 */
.img-decorated {
    position: relative;
    padding: 8px;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--secondary-color)
    );
    border-radius: 12px;
}

.img-decorated img {
    border-radius: 6px;
    position: relative;
    z-index: 1;
}

/* =============================================
   关于我们
   ============================================= */
.about {
    background: var(--bg-dark);
}

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

.about-text {
    /* 关于我们左侧内容区 */
}

.about-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 25px;
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.about-badge i {
    font-size: 1.1rem;
}

.about-heading {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-description strong {
    color: var(--primary-color);
    font-weight: 600;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 35px;
    padding-top: 35px;
    border-top: 1px solid var(--border-color);
}

.about-feature {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.feature-icon {
    width: 45px;
    height: 45px;
    min-width: 45px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.about-feature:hover .feature-icon {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    transform: rotate(10deg) scale(1.1);
}

.feature-text h5 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.feature-text p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 关于我们 - 右侧图片和统计数据 */
.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all 0.4s ease;
}

.image-wrapper:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--glow-color);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.image-decoration {
    position: absolute;
    bottom: -15px;
    right: -15px;
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.15;
    filter: blur(40px);
    z-index: -1;
}

.stats-card {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* =============================================
   核心价值观 - 补充样式
   ============================================= */
.values {
    background: var(--bg-card);
    padding: 80px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.value-card {
    text-align: center;
    padding: 30px;
    background: var(--bg-dark);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.value-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--glow-color);
}

.value-card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    transition: all 0.4s ease;
}

.value-card:hover .value-card-icon {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    transform: scale(1.15) rotate(10deg);
}

.value-card h4 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =============================================
   导航栏样式
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px var(--shadow-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
}

.logo-icon {
    color: var(--primary-color);
    font-size: 2rem;
    text-shadow: 0 0 10px var(--glow-color);
    animation: pulse 2s ease-in-out infinite;
}

.logo-icon img{
	width: 45px;
}

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

.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: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-menu .currclass .nav-link,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link:hover::after,
.nav-menu .currclass .nav-link::after,
.nav-link.active::after {
    width: 80%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =============================================
   按钮样式
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* =============================================
   首屏 Banner
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0a0a0f 100%);
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite;
}

.particle:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.particle:nth-child(2) { top: 70%; left: 80%; animation-delay: 4s; }
.particle:nth-child(3) { top: 30%; left: 60%; animation-delay: 8s; }
.particle:nth-child(4) { top: 80%; left: 30%; animation-delay: 12s; }
.particle:nth-child(5) { top: 50%; left: 10%; animation-delay: 16s; }

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(50px, -50px) scale(1.5);
        opacity: 0.6;
    }
    50% {
        transform: translate(-30px, 30px) scale(0.8);
        opacity: 0.2;
    }
    75% {
        transform: translate(40px, 20px) scale(1.2);
        opacity: 0.4;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 20px;
    max-width: 1200px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.title-line {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.title-highlight {
    display: block;
    font-size: 2.5rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-color);
    font-size: 1.5rem;
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

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

/* =============================================
   区块样式
   ============================================= */
section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.section-line {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* =============================================
   核心优势
   ============================================= */
.advantages {
    background: var(--bg-card);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px var(--glow-color);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    transition: all 0.4s ease;
}

.advantage-card:hover .card-icon {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    transform: scale(1.1);
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.advantage-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* =============================================
   核心产品
   ============================================= */
.products {
    background: var(--bg-dark);
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-card);
    padding: 30px;
    border: 1px solid var(--border-color);
}

.product-shadow {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 40px;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    filter: blur(20px);
}

.product-main-img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.5s ease;
    position: relative;
    z-index: 1;
}

.product-image-wrapper:hover .product-main-img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 40px;
    right: 40px;
    background: var(--gradient-accent);
    color: var(--bg-dark);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 2;
}

.product-info h3 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.spec-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.spec-tag:hover {
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.2);
}

.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--accent-color);
    font-size: 1rem;
}

/* =============================================
   企业价值
   ============================================= */
.value {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.value-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.value-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    animation: pulse 2s ease-in-out infinite;
}

.value-text {
    font-size: 1.5rem;
    line-height: 2;
    color: var(--text-secondary);
}

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

/* =============================================
   核心技术
   ============================================= */
.technology {
    background: var(--bg-dark);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.tech-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.4s ease;
    position: relative;
}

.tech-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--glow-color);
}

.tech-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(0, 212, 255, 0.05);
    line-height: 1;
}

.tech-item h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

/* =============================================
   应用案例
   ============================================= */
.cases {
    background: var(--bg-card);
}

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

.case-btn {
    padding: 10px 25px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.case-btn:hover,
.case-btn.active {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.case-card {
    background: var(--bg-dark);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--glow-color);
}

.case-img-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1;  /* 正方形比例 */
    max-height: 300px;    /* 最大高度限制 */
    overflow: hidden;
    position: relative;
}

.case-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;    /* 保持填充，裁切多余部分 */
    transition: transform 0.5s ease, filter 0.5s ease;
    filter: brightness(0.85) saturate(1.1);
}

.case-card:hover .case-img-wrapper img {
    transform: scale(1.15);
    filter: brightness(1) saturate(1.2);
}

.case-img-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.6) 100%);
    pointer-events: none;
    z-index: 1;
    transition: opacity 0.4s ease;
}

.case-card:hover .case-img-wrapper::after {
    opacity: 0.8;
}

.case-info {
    padding: 25px;
}

.case-info h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

/* =============================================
   研发实力
   ============================================= */
.rd {
    background: var(--bg-dark);
}

.rd-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.rd-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.rd-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 10px 30px var(--glow-color);
}

.rd-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    transition: all 0.4s ease;
}

.rd-card:hover .rd-icon {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    transform: scale(1.1) rotate(10deg);
}

.rd-card h4 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* =============================================
   专利栏目样式
   ============================================= */
.patents {
    background: var(--bg-card);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* 专利内容区域 */
.patents-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

/* 专利左右并排布局 */
.patents-side-by-side {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 20px;
}

/* 专利分组 */
.patent-group {
    background: var(--bg-dark);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.4s ease;
}

.patent-group:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--glow-color);
}

.patent-group-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 28px 35px;
    background: rgba(0, 212, 255, 0.03);
    border-bottom: 2px solid var(--border-color);
}

.group-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--bg-dark);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.25);
}

.group-icon.pending {
    background: linear-gradient(135deg, #ffaa00 0%, #ff8800 100%);
    box-shadow: 0 8px 20px rgba(255, 170, 0, 0.25);
}

.patent-group-header h3 {
    flex: 1;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.group-badge {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: 8px 18px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

/* 专利列表 */
.patent-list {
    padding: 20px 35px 35px;
}

.patent-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    padding: 28px;
    background: rgba(0, 212, 255, 0.02);
    border-radius: 14px;
    margin-bottom: 15px;
    border: 1px solid transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.patent-item:last-child {
    margin-bottom: 0;
}

.patent-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.4s ease;
    border-radius: 4px;
}

.patent-item:hover {
    background: rgba(0, 212, 255, 0.05);
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.patent-item:hover::before {
    transform: scaleY(1);
}

.patent-icon-wrapper {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(0, 102, 255, 0.15) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.patent-item:hover .patent-icon-wrapper {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 8px 20px var(--glow-color);
}

.patent-content {
    flex: 1;
}

.patent-content h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.patent-item:hover .patent-content h4 {
    color: var(--primary-color);
}

.patent-type {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 500;
}

.patent-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.patent-status.status-granted {
    background: rgba(0, 255, 136, 0.1);
    color: #00ff88;
}

.patent-status.status-pending {
    background: rgba(255, 170, 0, 0.1);
    color: #ffaa00;
}

.patent-status i {
    font-size: 0.9rem;
}

/* 专利详情区域 */
.patent-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, margin 0.4s ease;
    opacity: 0;
    margin-top: 0;
}

.patent-details.expanded {
    max-height: 2000px;
    opacity: 1;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed rgba(0, 212, 255, 0.2);
}

.detail-section {
    margin-bottom: 18px;
    background: rgba(0, 212, 255, 0.03);
    padding: 18px 20px;
    border-radius: 10px;
    border-left: 3px solid var(--primary-color);
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-section h5 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.detail-section h5 i {
    font-size: 1rem;
}

.detail-section p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
    padding-left: 28px;
}

/* 详情切换按钮 */
.detail-toggle {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.detail-toggle:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.detail-toggle i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.patent-item.expanded .detail-toggle i {
    transform: rotate(180deg);
}

/* 小屏幕适配 */
@media (max-width: 1100px) {
    .patents-side-by-side {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .patent-item {
        flex-wrap: wrap;
        position: relative;
        padding-right: 50px;
    }

    .detail-toggle {
        position: static;
        transform: none;
        width: 40px;
        height: 40px;
        margin-top: 10px;
    }

    .detail-toggle:hover {
        transform: scale(1.05);
    }

    .patent-item.expanded .detail-toggle i {
        transform: rotate(180deg);
    }
}

/* =============================================
   新闻动态
   ============================================= */
.news {
    background: var(--bg-card);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

/* 首页新闻样式 - index.html 使用 */
.news-item {
    display: flex;
    gap: 25px;
    padding: 30px;
    background: var(--bg-dark);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.news-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px var(--glow-color);
    transform: translateX(10px);
}

.news-date {
    min-width: 80px;
    padding: 15px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    text-align: center;
}

.news-date .day {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.news-date .month {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.news-content {
    flex: 1;
}

.news-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 0.8rem;
    margin-bottom: 10px;
}

.news-content h4 a {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    transition: color 0.3s ease;
    text-decoration: none;
}

.news-item:hover .news-content h4 a {
    color: var(--primary-color);
}

.news-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.news-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 0.8rem;
    margin-bottom: 10px;
}


/* =============================================
   底部标语
   ============================================= */
.slogan {
    background: var(--bg-dark);
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.slogan-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slogan-line {
    width: 120px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

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

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

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

.contact-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--bg-dark);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-text h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-form-wrapper {
    background: var(--bg-dark);
    border-radius: 12px;
    padding: 40px;
    border: 1px solid var(--border-color);
}

.form-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.form-header i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.form-header h4 {
    font-size: 1.4rem;
    color: var(--text-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* =============================================
   页脚
   ============================================= */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 30px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-tagline p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

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

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

/* =============================================
   返回顶部按钮
   ============================================= */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px var(--glow-color);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--glow-color);
}

/* =============================================
   响应式设计
   ============================================= */

/* 平板尺寸 (768px - 1024px) */
@media (max-width: 1024px) {
    .hero-title .title-line {
        font-size: 2.5rem;
    }

    .hero-title .title-highlight {
        font-size: 2rem;
    }

    .product-showcase {
        gap: 40px;
    }

    .contact-grid {
        gap: 40px;
    }
}

/* 移动端尺寸 (480px - 768px) */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        border-bottom: 1px solid var(--border-color);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

	.nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: block;
    }

    section {
        padding: 70px 0;
    }

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

    .hero-title .title-line {
        font-size: 2rem;
    }

    .hero-title .title-highlight {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 80px;
    }

    .product-showcase {
        grid-template-columns: 1fr;
    }

    /* 关于我们移动端布局 */
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1; /* 图片在移动端显示在上方 */
    }

    .stats-card {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: 20px;
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
        padding: 15px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .value-text {
        font-size: 1.2rem;
    }

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

    /* 新闻列表页 - 移动端改为上下结构 */
    .news-list-item {
        flex-direction: column;
    }

    /* 首页新闻 - 移动端保持左右结构 */
    .news-item {
        flex-direction: row;
        align-items: flex-start;
    }

    .news-date {
        align-self: flex-start;
        min-width: 70px;
        padding: 12px;
    }

    .news-date .day {
        font-size: 1.6rem;
    }

    .news-date .month {
        font-size: 0.75rem;
    }

    .news-content h4 {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .news-content p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .product-features {
        grid-template-columns: 1fr;
    }

    .slogan-content h2 {
        font-size: 1.8rem;
    }
}

/* 小屏幕手机 (480px以下) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .advantage-card,
    .tech-item,
    .rd-card {
        padding: 25px 20px;
    }

    .case-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .contact-form-wrapper {
        padding: 25px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }

    /* 小屏幕优化 */
    .about-heading {
        font-size: 1.6rem;
    }

    .about-description {
        font-size: 1rem;
        line-height: 1.7;
    }

    .image-wrapper {
        max-width: 100%;
    }

    .stats-card {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 15px;
        margin: 15px 0 0 0;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .about-features {
        gap: 12px;
    }

    .feature-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 1rem;
    }

    .feature-text h5 {
        font-size: 1rem;
    }

    .feature-text p {
        font-size: 0.85rem;
    }

    .product-info {
        text-align: center;
    }

    .product-features {
        justify-items: center;
    }

    .product-info .btn {
        margin: 0 auto;
        display: flex;
    }

    .value-card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .product-specs {
        gap: 6px;
    }

    .spec-tag {
        padding: 5px 10px;
        font-size: 0.8rem;
    }

    /* 新闻列表页 - 超小屏幕优化 */
    .news-grid {
        gap: 15px;
    }

    .news-list-item {
        flex-direction: column;
    }

    .news-list-item {
        padding: 15px;
    }

    .news-list-title {
        font-size: 1rem;
        line-height: 1.4;
    }

    .news-list-excerpt {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .product-name {
        font-size: 1.6rem;
    }

    .advantage-card,
    .rd-card {
        padding: 20px 15px;
    }

    .case-grid {
        gap: 20px;
    }

    .case-img-wrapper {
        max-height: 250px;  /* 移动端最大高度 */
    }

    .contact-item {
        padding: 20px;
    }

    .contact-icon {
        width: 50px;
        height: 50px;
        min-width: 50px;
        font-size: 1.3rem;
    }

    .tech-grid {
        gap: 15px;
    }

    .tech-item {
        padding: 20px;
    }

    .tech-number {
        font-size: 2rem;
    }

    .value-card {
        padding: 25px 15px;
    }

    .value-card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .hero-cta .btn {
        width: auto;
        justify-content: center;
    }

    /* 防止溢出屏幕 */
    .about-image {
        margin-left: 0;
        margin-right: 0;
    }

    .stats-card {
        max-width: 100%;
        box-sizing: border-box;
    }

    /* 确保容器不溢出 */
    .container {
        overflow-x: hidden;
    }

    /* 产品图片容器调整 */
    .product-image-wrapper {
        padding: 3px;
    }

    .product-badge {
        top: 20px;
        right: 20px;
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    /* 首页新闻在超小屏幕优化 */
    .news-grid {
        gap: 15px;
    }

    .news-item {
        padding: 20px 15px;
        gap: 12px;
    }

    .news-date {
        min-width: 65px;
        padding: 10px 8px;
    }

    .news-date .day {
        font-size: 1.5rem;
    }

    .news-date .month {
        font-size: 0.75rem;
    }

    .news-content h4 {
        font-size: 0.95rem;
        line-height: 1.4;
        margin-bottom: 8px;
    }

    .news-content p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
}

/* =============================================
   AOS动画 (如果使用)
   ============================================= */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   滚动条样式
   ============================================= */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

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

/* =============================================
   面包屑导航
   ============================================= */
.breadcrumb {
    background: var(--bg-card);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.breadcrumb-content a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.breadcrumb-content .separator {
    color: var(--text-muted);
    font-size: 0.8rem;
}

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

/* =============================================
   页面标题
   ============================================= */
.page-header {
    background: var(--bg-dark);
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* =============================================
   新闻筛选
   ============================================= */
.news-filter {
    background: var(--bg-card);
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
	display: block;
	text-decoration: none;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.currclass .filter-btn,
.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--bg-dark);
    font-weight: 500;
}

/* =============================================
   新闻列表 (列表页)
   ============================================= */
.news-list-section {
    background: var(--bg-dark);
    padding: 60px 0 80px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-list-item {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    padding: 30px;
    position: relative;
}

.news-list-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 12px 0 0 12px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.news-list-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px var(--glow-color);
    transform: translateX(8px);
}

.news-list-item:hover::before {
    opacity: 1;
}

.news-list-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.news-list-header {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.news-list-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.news-date-display {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.news-date-display i {
    color: var(--primary-color);
}

.news-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.85rem;
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary-color);
}

.news-category-tag.product {
    background: rgba(0, 255, 204, 0.15);
    color: var(--accent-color);
}

.news-category-tag.tech {
    background: rgba(102, 102, 255, 0.15);
    color: #6666ff;
}

.news-category-tag.industry {
    background: rgba(255, 102, 204, 0.15);
    color: #ff66cc;
}

.news-list-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.5;
}

.news-list-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-list-title a:hover {
    color: var(--primary-color);
}

.news-list-excerpt {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.news-list-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.news-list-stats {
    display: flex;
    gap: 20px;
}

.news-list-stats span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.news-list-stats i {
    color: var(--primary-color);
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 20px;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
}

.read-more-btn:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

.read-more-btn i {
    transition: transform 0.3s ease;
}

.read-more-btn:hover i {
    transform: translateX(5px);
}

/* =============================================
   分页
   ============================================= */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 50px;
}

.page-btn {
    padding: 12px 25px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 8px;
	text-decoration: none;
}

.page-btn:hover:not(.disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.page-numbers {
    display: flex;
    gap: 8px;
    align-items: center;
}

.page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.page-num:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-num.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--bg-dark);
    font-weight: 600;
}

.page-dots {
    color: var(--text-muted);
    padding: 0 5px;
}

/* =============================================
   新闻详情页
   ============================================= */
.news-detail-section {
    background: var(--bg-dark);
    padding: 60px 0 80px;
}

.article-wrapper {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.article-header {
    position: relative;
    padding: 40px 40px 30px;
    border-bottom: 1px solid var(--border-color);
}

.article-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 15px;
    font-size: 0.85rem;
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary-color);
    margin-bottom: 20px;
}

.article-category.product {
    background: rgba(0, 255, 204, 0.15);
    color: var(--accent-color);
}

.article-category.tech {
    background: rgba(102, 102, 255, 0.15);
    color: #6666ff;
}

.article-category.industry {
    background: rgba(255, 102, 204, 0.15);
    color: #ff66cc;
}

.article-title {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-meta i {
    color: var(--primary-color);
}


.article-content {
    padding: 40px;
}

.article-content h2 {
    font-size: 1.6rem;
    margin: 35px 0 15px;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 10px;
}

.article-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.article-content h3 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
    color: var(--text-primary);
}

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

.article-content ul,
.article-content ol {
    margin: 20px 0;
    padding-left: 25px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.article-content li {
    margin-bottom: 10px;
}

.article-content blockquote {
    margin: 30px 0;
    padding: 20px 25px;
    background: rgba(0, 212, 255, 0.05);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
    font-style: italic;
}

.article-content strong {
    color: var(--text-primary);
}

/* 文章底部 */
.article-footer {
    padding: 30px 40px;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.article-tags {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.article-tags-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.article-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.article-tag-item {
    padding: 6px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.article-tag-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.article-share {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.share-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.share-buttons {
    display: flex;
    gap: 12px;
}

.share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.share-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.1);
}

/* 相关文章 */
.related-articles {
    background: var(--bg-dark);
    padding: 60px 0 80px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 35px;
}

.related-card {
    background: var(--bg-card);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
}

.related-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--glow-color);
}

.related-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.related-body {
    padding: 20px;
}

.related-date {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.related-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.5;
    transition: color 0.3s ease;
}

.related-title a{
	color: var(--text-primary);
	text-decoration: none;
}

.related-card:hover .related-title a,
.related-card:hover .related-title {
    color: var(--primary-color);
}

/* 上一篇/下一篇导航 */
.post-navigation {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.nav-post {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.nav-post.prev {
    grid-column: 1;
}

.nav-post.next {
    grid-column: 2;
    text-align: right;
}

.nav-post-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.nav-post-title a,
.nav-post-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

.nav-post-title a {
	text-decoration: none;
}

/* =============================================
   响应式设计 - 新闻列表页
   ============================================= */
@media (max-width: 1024px) {
    .article-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1rem;
    }

    .filter-buttons {
        gap: 10px;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.9rem;
    }

    .news-list-item {
        padding: 20px;
    }

    .news-list-title {
        font-size: 1.1rem;
    }

    .news-list-excerpt {
        font-size: 0.9rem;
    }

    .article-header {
        padding: 25px 20px 20px;
    }

    .article-title {
        font-size: 1.6rem;
    }

    .article-meta {
        gap: 15px;
        font-size: 0.85rem;
    }

    .article-content {
        padding: 25px 20px;
    }

    .article-footer {
        padding: 25px 20px;
    }

    .article-share {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 40px 0;
    }

    .page-title {
        font-size: 1.6rem;
    }

    .news-list-item {
        padding: 15px;
    }

    .news-list-title {
        font-size: 1rem;
        line-height: 1.4;
    }

    .news-list-excerpt {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .news-list-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding-top: 12px;
    }

    .post-navigation {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .nav-post.prev,
    .nav-post.next {
        grid-column: 1;
        text-align: left;
    }

    .nav-post.next {
        text-align: left;
    }
}

/* =============================================
   产品页 - 相关新闻
   ============================================= */
.product-news-section {
    background: var(--bg-dark);
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.product-news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.product-news-item {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.product-news-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 25px var(--glow-color);
    transform: translateY(-5px);
}

.product-news-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.product-news-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.5;
}

.product-news-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-news-title a:hover {
    color: var(--primary-color);
}

.product-news-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.product-news-cta {
    text-align: center;
    margin-top: 40px;
}

.product-news-cta .btn {
    min-width: 200px;
}

/* =============================================
   产品筛选
   ============================================= */
.product-filter {
    background: var(--bg-card);
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

/* =============================================
   产品列表页
   ============================================= */
.products-list-section {
    background: var(--bg-dark);
    padding: 60px 0;
}

.product-showcase-item {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 50px;
    transition: all 0.4s ease;
}

.product-showcase-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--glow-color);
    transform: translateY(-5px);
}

.product-showcase-wrapper {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: 0;
    align-items: stretch;
}

.product-showcase-image {
    position: relative;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 100%);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 30px;
    overflow: hidden;
}

.product-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    z-index: 1;
}

.product-showcase-image img {
    position: relative;
    z-index: 2;
    max-width: 100%;
    max-height: 400px;
    filter: drop-shadow(0 10px 30px rgba(0, 212, 255, 0.3));
    transition: transform 0.5s ease;
}

.product-showcase-item:hover .product-showcase-image img {
    transform: scale(1.05) rotate(1deg);
}

.product-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 3;
    box-shadow: 0 4px 15px var(--glow-color);
}

.product-badge.new {
    background: var(--gradient-accent);
}

.product-badge.premium {
    background: linear-gradient(135deg, #ffd700 0%, #ffaa00 100%);
}

.product-showcase-info {
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.product-tag {
    display: inline-block;
    width: fit-content;
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.product-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.product-specs-section h4,
.product-features-section h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-specs-section h4::before,
.product-features-section h4::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.product-specs-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 25px;
}

.spec-item {
    padding: 10px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.spec-item:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.product-features-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.product-features-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--bg-dark);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.product-features-list li:hover {
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.05);
}

.product-features-list li i {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.product-features-list li div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.product-features-list li strong {
    color: var(--text-primary);
    font-size: 1rem;
}

.product-features-list li span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.product-advantages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--bg-dark);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    border-color: var(--accent-color);
    background: rgba(0, 255, 204, 0.05);
}

.advantage-item i {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.advantage-item div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.advantage-item strong {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.advantage-item span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.product-cta {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

/* =============================================
   CTA 区域（产品列表页）
   ============================================= */
.products-cta {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 100%);
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* =============================================
   产品详情页
   ============================================= */
.product-hero {
    background: var(--bg-dark);
    padding: 60px 0 80px;
}

.product-hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-hero-image {
    position: relative;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-dark) 100%);
    border-radius: 20px;
    padding: 50px 30px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 60%);
    filter: blur(80px);
    z-index: 1;
}

.hero-product-img {
    position: relative;
    z-index: 2;
    max-width: 100%;
    max-height: 450px;
    filter: drop-shadow(0 15px 40px rgba(0, 212, 255, 0.4));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.hero-product-badge {
    position: absolute;
    top: 25px;
    right: 25px;
    background: var(--gradient-accent);
    color: var(--bg-dark);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 700;
    z-index: 3;
    box-shadow: 0 6px 20px var(--glow-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-hero-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-category-tag {
    display: inline-block;
    width: fit-content;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary-color);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
}

.product-hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin: 0;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.product-hero-subtitle {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin: 0;
    font-weight: 500;
    line-height: 1.6;
}

.product-hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

.product-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 10px 0;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-box:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--glow-color);
}

.stat-box i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.stat-box .stat-number {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-box .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.product-hero-cta {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

/* =============================================
   产品规格区域
   ============================================= */
.product-specs-section {
    background: var(--bg-card);
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.spec-card {
    background: var(--bg-dark);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.spec-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--glow-color);
}

.spec-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
}

.spec-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.spec-card p {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.spec-card span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* =============================================
   产品功能详情
   ============================================= */
.product-features-detail {
    background: var(--bg-dark);
    padding: 80px 0;
}

.features-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-detail-card {
    background: var(--bg-card);
    padding: 35px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.feature-detail-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 35px var(--glow-color);
    transform: translateY(-8px);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 102, 255, 0.1) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-detail-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-detail-card > p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-detail-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-detail-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.feature-detail-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1rem;
}

/* =============================================
   应用领域
   ============================================= */
.product-applications {
    background: var(--bg-card);
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.application-card {
    background: var(--bg-dark);
    padding: 35px 25px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.application-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 255, 204, 0.15);
}

.app-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(0, 255, 204, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-color);
}

.application-card h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.application-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* =============================================
   产品对比
   ============================================= */
.product-comparison {
    background: var(--bg-dark);
    padding: 80px 0;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.comparison-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.comparison-card:hover {
    border-color: var(--primary-color);
}

.comparison-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--bg-dark);
    margin-bottom: 20px;
}

.comparison-card h4 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.comparison-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comparison-card li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.comparison-card li i {
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 1rem;
}

/* =============================================
   产品下载区域
   ============================================= */
.product-downloads {
    background: var(--bg-card);
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.download-card {
    background: var(--bg-dark);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.download-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--glow-color);
    color: inherit;
}

.download-card i {
    font-size: 3rem;
    color: var(--primary-color);
}

.download-card h4 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text-primary);
}

.download-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* =============================================
   产品 CTA 区域
   ============================================= */
.product-cta-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 100%);
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.cta-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.cta-content h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.cta-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--bg-card);
    border-radius: 25px;
    border: 1px solid var(--border-color);
}

.cta-feature i {
    color: var(--primary-color);
}

.cta-feature span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.cta-contact {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-info-card h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.contact-info-card h4 i {
    color: var(--primary-color);
}

.contact-info-card p {
    margin: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =============================================
   响应式设计 - 产品页面
   ============================================= */
@media (max-width: 1024px) {
    .product-hero-wrapper {
        gap: 40px;
    }

    .cta-wrapper {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .product-showcase-wrapper {
        grid-template-columns: 1fr;
    }

    .product-showcase-image {
        padding: 40px 20px;
        min-height: 280px;
    }

    .product-showcase-info {
        padding: 30px 20px;
    }

    .product-title {
        font-size: 1.6rem;
    }

    .product-hero-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .product-hero-image {
        padding: 40px 20px;
    }

    .hero-product-img {
        max-height: 300px;
    }

    .product-hero-title {
        font-size: 2rem;
    }

    .product-hero-subtitle {
        font-size: 1.1rem;
    }

    .product-hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
	
	.product-features-list {
        grid-template-columns: 1fr;
    }

    .product-advantages {
        grid-template-columns: 1fr;
    }

    .product-cta {
        flex-direction: column;
    }

    .cta-features {
        justify-content: center;
    }

    .cta-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 产品页面响应式调整 */
@media (max-width: 1024px) {
    .product-showcase-wrapper {
        grid-template-columns: 48% 52%;
        gap: 20px;
    }

    .product-showcase-image {
        padding: 35px 25px;
    }

    .product-showcase-info {
        padding: 35px 25px;
    }
}

@media (max-width: 768px) {
    .product-showcase-wrapper {
        grid-template-columns: 1fr;
    }

    .product-showcase-image {
        padding: 30px 20px;
        min-height: 250px;
    }

    .product-showcase-info {
        padding: 25px 20px;
    }

    .product-title {
        font-size: 1.5rem;
    }

    .product-hero-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .product-hero-image {
        padding: 30px 20px;
    }

    .hero-product-img {
        max-height: 300px;
    }

    .product-hero-title {
        font-size: 2rem;
    }

    .product-news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .product-showcase-image {
        min-height: 200px;
        padding: 25px 15px;
    }

    .product-showcase-info {
        padding: 20px 15px;
        gap: 15px;
    }

    .product-title {
        font-size: 1.3rem;
    }

    .product-specs-grid {
        gap: 8px;
    }

    .spec-item {
        padding: 8px 15px;
        font-size: 0.85rem;
    }
	
	.product-features-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .product-advantages {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .product-hero-title {
        font-size: 1.6rem;
    }

    .product-hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .stat-box {
        padding: 10px;
    }

    .stat-box i {
        font-size: 1.2rem;
    }

    .stat-box .stat-number {
        font-size: 1.3rem;
    }

    .product-cta {
        flex-direction: column;
    }
}

/* =============================================
   联系页面
   ============================================= */
.contact-section {
    background: var(--bg-dark);
    padding: 60px 0 80px;
}

.contact-main-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: start;
}

/* 左侧列：联系信息 + 地图 */
.contact-left-column {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-info-section .section-header {
    text-align: left;
}

.contact-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.contact-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    gap: 15px;
}

.contact-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px var(--glow-color);
    transform: translateY(-3px);
}

.contact-card-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 102, 255, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-card-content h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.contact-card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.contact-card-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.contact-card-content a:hover {
    opacity: 0.8;
}

/* 地图区域 */
.map-section {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.map-section .section-header {
    text-align: left;
}

.map-wrapper {
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-dark);
    min-height: 480px;
    position: relative;
}

.map-wrapper iframe {
    width: 100%;
    height: 480px;
    border: none;
    display: block;
}

.map-fallback img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.map-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    justify-content: center;
}

.map-btn {
    min-width: 160px;
}

/* 右侧列：在线留言表单 */
.contact-form-section {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.contact-form-section .section-header {
    text-align: left;
}

.form-container {
    margin-top: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
}

.required {
    color: #ff4444;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.form-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 12px 15px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-note i {
    color: var(--primary-color);
}

/* 快速联系卡片 */
.quick-contact-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 20px;
}

.quick-contact-card h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.quick-contact-card h4 i {
    color: var(--accent-color);
}

.quick-contact-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.quick-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.quick-link i {
    font-size: 1.5rem;
}

.quick-link span {
    font-size: 0.9rem;
}

/* 交通指引 */
.directions-section {
    background: var(--bg-card);
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.directions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.direction-card {
    background: var(--bg-dark);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.direction-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 12px 30px rgba(0, 255, 204, 0.1);
    transform: translateY(-5px);
}

.direction-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 255, 204, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.direction-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.direction-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

/* =============================================
   联系页面响应式设计
   ============================================= */
@media (max-width: 1024px) {
    .contact-main-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 900px) {
    .contact-cards-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .contact-cards-grid {
        grid-template-columns: 1fr;
    }

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

    .map-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .map-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .contact-card {
        padding: 20px;
    }

    .contact-card-icon {
        width: 50px;
        height: 50px;
        min-width: 50px;
        font-size: 1.3rem;
    }

    .contact-card-content h4 {
        font-size: 1rem;
    }

    .contact-card-content p {
        font-size: 0.9rem;
    }

    .quick-contact-links {
        grid-template-columns: 1fr;
    }

    .direction-card {
        padding: 25px 20px;
    }

    .direction-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .direction-card h4 {
        font-size: 1.1rem;
    }

    .direction-card p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .product-hero-title {
        font-size: 1.6rem;
    }

    .product-hero-subtitle {
        font-size: 1rem;
    }

    .product-hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-box {
        padding: 12px;
    }

    .stat-box i {
        font-size: 1.2rem;
    }

    .stat-box .stat-number {
        font-size: 1.3rem;
    }

    .hero-product-badge {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

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

    .features-detail-grid {
        grid-template-columns: 1fr;
    }

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

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

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