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

:root {
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #00ffcc;
    --tech-blue: #0066ff;
    --tech-cyan: #00d4ff;
    --tech-dark: #0a0e1a;
    --tech-gray: #1a1f2e;
    --tech-darker: #05070d;
    --text-color: #e0e7ff;
    --text-light: #a0aec0;
    --text-muted: #6b7280;
    --bg-color: #0f1419;
    --bg-light: #1a1f2e;
    --bg-card: rgba(26, 31, 46, 0.8);
    --bg-card-hover: rgba(30, 37, 54, 0.9);
    --border-color: rgba(0, 212, 255, 0.2);
    --border-light: rgba(0, 212, 255, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 212, 255, 0.2);
    --glow: 0 0 20px rgba(0, 212, 255, 0.5);
    --glow-strong: 0 0 30px rgba(0, 212, 255, 0.8);
}

html {
    overflow-y: scroll;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

html::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--tech-dark);
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    position: relative;
    overflow-x: hidden;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    min-height: 100vh;
}

body::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(180deg, rgba(5, 7, 13, 0.8) 0%, transparent 50%),
        linear-gradient(0deg, rgba(5, 7, 13, 0.6) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* 三相电正弦波坐标轴 - 放大版本 */
.three-phase-wave {
    width: 380px;
    height: 253px;
    top: 20%;
    left: 3%;
    animation-delay: 4.5s;
    z-index: 2;
    opacity: 0.9;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.6));
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* 导航栏 */
.navbar {
    background: linear-gradient(180deg, rgba(10, 14, 26, 0.95) 0%, rgba(15, 20, 35, 0.95) 100%);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 212, 255, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    overflow: hidden;
}

/* 导航栏数字流背景动画 */
.navbar-digital-rain {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
    display: flex;
    justify-content: space-around;
    pointer-events: none;
    height: 100%;
}

.navbar-digital-rain .digital-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    opacity: 0.4;
    width: 100%;
    max-width: 100px;
    justify-content: flex-start;
}

.navbar-digital-rain .digital-stream {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    white-space: nowrap;
    text-shadow: 
        0 0 8px rgba(0, 212, 255, 0.9),
        0 0 15px rgba(0, 212, 255, 0.6),
        0 0 25px rgba(0, 212, 255, 0.3);
    animation: navbarDigitalFall linear infinite;
    margin-bottom: 2rem;
    letter-spacing: 0.3em;
    line-height: 1.8;
}

/* 导航栏数字流下落动画 */
@keyframes navbarDigitalFall {
    0% {
        transform: translateY(-50px);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    50% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(150px);
        opacity: 0;
    }
}

/* 导航栏每列不同的动画速度和延迟 */
.navbar-digital-rain .digital-column:nth-child(1) .digital-stream {
    animation-duration: 6s;
    animation-delay: 0s;
}

.navbar-digital-rain .digital-column:nth-child(2) .digital-stream {
    animation-duration: 7s;
    animation-delay: 0.5s;
}

.navbar-digital-rain .digital-column:nth-child(3) .digital-stream {
    animation-duration: 6.5s;
    animation-delay: 0.2s;
}

.navbar-digital-rain .digital-column:nth-child(4) .digital-stream {
    animation-duration: 7.5s;
    animation-delay: 1s;
}

.navbar-digital-rain .digital-column:nth-child(5) .digital-stream {
    animation-duration: 6.2s;
    animation-delay: 0.3s;
}

.navbar-digital-rain .digital-column:nth-child(6) .digital-stream {
    animation-duration: 7.2s;
    animation-delay: 0.8s;
}

.navbar-digital-rain .digital-column:nth-child(7) .digital-stream {
    animation-duration: 6.8s;
    animation-delay: 0.4s;
}

.navbar-digital-rain .digital-column:nth-child(8) .digital-stream {
    animation-duration: 7.3s;
    animation-delay: 1.2s;
}

.navbar-digital-rain .digital-column:nth-child(9) .digital-stream {
    animation-duration: 6.3s;
    animation-delay: 0.6s;
}

.navbar-digital-rain .digital-column:nth-child(10) .digital-stream {
    animation-duration: 7.1s;
    animation-delay: 0.9s;
}

.navbar-digital-rain .digital-column:nth-child(11) .digital-stream {
    animation-duration: 6.6s;
    animation-delay: 0.1s;
}

.navbar-digital-rain .digital-column:nth-child(12) .digital-stream {
    animation-duration: 7.4s;
    animation-delay: 1.1s;
}

.navbar .container {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.5;
    pointer-events: none;
}

/* 重复的规则已合并到上面的 .navbar .container */

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.brand-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.6));
    transition: filter 0.3s;
}

.brand-logo:hover {
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.9));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-menu-item {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* 移动端菜单默认隐藏 */
.mobile-nav-menu {
    display: none;
}

/* 桌面端默认显示 */
@media (min-width: 768px) {
    .nav-menu {
        display: flex;
        position: static;
    }
    
    .mobile-nav-menu {
        display: none !important;
    }
    
    .desktop-menu {
        display: flex !important;
    }
}

.nav-menu a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    display: block;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    /* 添加微妙的背景和边框效果 */
    background: transparent;
    border: 1px solid transparent;
}

/* 导航菜单项hover效果 */
.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transition: width 0.3s ease;
    z-index: -1;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-menu a:hover {
    color: var(--primary-color);
    text-shadow: 
        0 0 15px rgba(0, 212, 255, 0.8),
        0 0 30px rgba(0, 212, 255, 0.4);
    transform: translateY(-2px);
}

.nav-menu a:hover::before {
    width: 80%;
}

.nav-menu a:hover::after {
    opacity: 1;
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.nav-menu a.active {
    color: var(--primary-color);
    text-shadow: 
        0 0 15px rgba(0, 212, 255, 0.8),
        0 0 30px rgba(0, 212, 255, 0.4);
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.nav-menu a.active::before {
    width: 100%;
    background: var(--primary-color);
    height: 2px;
    bottom: -2px;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

.nav-menu a.active::after {
    opacity: 1;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    position: relative;
    z-index: 1001;
    padding: 8px;
    margin: -8px;
    -webkit-tap-highlight-color: rgba(0, 212, 255, 0.3);
    touch-action: manipulation;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: rgba(255, 255, 255, 0.9);
    transition: 0.3s;
    display: block;
    pointer-events: none;
}

/* 英雄区域 */
.hero {
    position: relative;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 背景图片和渐变叠加 */
    background: 
        linear-gradient(135deg, rgba(10, 25, 41, 0.7) 0%, rgba(30, 41, 59, 0.6) 50%, rgba(0, 102, 255, 0.5) 100%),
        url('../images/hero-background.jpeg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-blend-mode: overlay;
    color: white;
    overflow: hidden;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
    background-size: 100px 100px;
    animation: gridMove 20s linear infinite;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}


/* 工业图形背景元素 */
.hero-industrial-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
    opacity: 0.4;
    pointer-events: none;
}

.hero-industrial-elements svg {
    position: absolute;
    opacity: 0.7;
    animation: float 18s ease-in-out infinite;
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.4));
}

/* 现代化写字楼 */
.modern-building {
    width: 200px;
    height: 280px;
    z-index: 2;
}

.modern-building:nth-of-type(1) {
    top: 5%;
    right: 3%;
    animation-delay: 0s;
    width: 400px; /* 放大两倍：200px * 2 */
    height: 560px; /* 放大两倍：280px * 2 */
}

/* 高压铁塔 - 更大更复杂 */
.power-tower {
    width: 200px;
    height: 300px;
    top: 15%;
    right: 5%;
    animation-delay: 1s;
    animation: pulse 5s ease-in-out infinite;
    z-index: 2;
}

/* 工业监控屏幕 */
.industrial-monitor {
    width: 220px;
    height: 180px;
    top: 55%;
    right: 8%;
    animation-delay: 2s;
    z-index: 2;
}

/* PLC可编程逻辑控制器 */
.plc-controller {
    width: 200px;
    height: 150px;
    bottom: 10%;
    left: 5%;
    animation-delay: 3.5s;
    z-index: 2;
}

/* 空调冷机 */
.air-conditioner {
    width: 180px;
    height: 140px;
    bottom: 20%;
    left: 30%;
    animation-delay: 3s;
}

/* 工业配电柜 */
.power-cabinet {
    width: 150px;
    height: 170px;
    bottom: 15%;
    right: 35%;
    animation-delay: 1.5s;
}

/* 齿轮组 */
.industrial-gear {
    width: 160px;
    height: 160px;
    top: 65%;
    right: 3%;
    animation-delay: 4s;
    animation: rotate 25s linear infinite;
}

/* 三相电正弦波坐标轴 - 已移除，改为背景层 */

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    25% {
        transform: translateY(-20px) translateX(10px);
    }
    50% {
        transform: translateY(-10px) translateX(-10px);
    }
    75% {
        transform: translateY(-30px) translateX(5px);
    }
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 700"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%2300d4ff;stop-opacity:0.3" /><stop offset="100%" style="stop-color:%230066ff;stop-opacity:0.1" /></linearGradient></defs><path d="M0,350 Q300,200 600,350 T1200,350 L1200,700 L0,700 Z" fill="url(%23grad)"/></svg>');
    opacity: 0.5;
    animation: wave 10s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s;
    position: relative;
    z-index: 2;
}

.title-main {
    display: block;
    background: linear-gradient(135deg, #00d4ff 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.8);
    animation: glow 2s ease-in-out infinite alternate;
}

.title-sub {
    display: block;
    font-size: 0.5em;
    font-weight: 400;
    opacity: 0.9;
    margin-top: 0.5rem;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8)); }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 1);
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    /* 增强文字可读性：多层文字阴影和背景 */
    text-shadow: 
        0 0 20px rgba(0, 212, 255, 0.8),
        0 0 40px rgba(0, 212, 255, 0.6),
        0 2px 8px rgba(0, 0, 0, 0.8),
        0 4px 12px rgba(0, 0, 0, 0.6);
    font-weight: 500;
    letter-spacing: 0.5px;
    /* 添加半透明背景增强对比度 */
    background: rgba(10, 25, 41, 0.5);
    backdrop-filter: blur(8px);
    padding: 1rem 2rem;
    border-radius: 12px;
    display: inline-block;
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.5),
        inset 0 0 30px rgba(0, 212, 255, 0.1);
    animation: fadeInUp 1s;
    word-break: keep-all;
}

.hero-subtitle .no-wrap {
    white-space: nowrap;
}

/* SCADA颜色样式 */
.scada-color {
    color: #ff6b35;
    font-weight: 600;
    text-shadow: 
        0 0 15px rgba(255, 107, 53, 0.8),
        0 0 30px rgba(255, 107, 53, 0.5);
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    animation: fadeInUp 1.1s;
}

.tag {
    padding: 0.5rem 1.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 25px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.tag::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.tag:hover::before {
    width: 300px;
    height: 300px;
}

.tag:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1.2s;
}

/* 按钮样式 */
.btn {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--tech-blue) 100%);
    color: white;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.5);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--tech-blue) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

/* 滚动提示指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    cursor: pointer;
    opacity: 0.9;
    transition: opacity 0.3s ease;
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-arrow {
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.4),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
    animation: scrollArrowBounce 2s ease-in-out infinite;
    transition: all 0.3s ease;
}

.scroll-arrow svg {
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.8));
}

.scroll-indicator:hover .scroll-arrow {
    background: rgba(0, 212, 255, 0.25);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 
        0 0 30px rgba(0, 212, 255, 0.6),
        inset 0 0 30px rgba(0, 212, 255, 0.2);
    transform: scale(1.1);
}

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

@keyframes scrollArrowBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(8px);
    }
}

/* 移动端滚动提示优化 */
@media (max-width: 767px) {
    .scroll-indicator {
        display: none !important;
    }
}

/* 核心产品展示区域 */
.core-product {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--tech-dark) 0%, var(--tech-gray) 100%);
    position: relative;
    z-index: 1;
}

/* 产品切换标签 */
.product-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 10;
}

.product-tab {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    font-weight: 500;
    position: relative;
}

.product-tab::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

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

.product-tab:hover::after {
    width: 100%;
}

.product-tab.active {
    color: var(--primary-color);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.product-tab.active::after {
    width: 100%;
}

.tab-icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: all 0.3s ease;
}

.product-tab:hover .tab-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 5px rgba(0, 212, 255, 0.6));
}

.product-tab.active .tab-icon {
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.8));
}

.tab-text {
    white-space: nowrap;
}

/* 产品卡片容器 */
.product-cards-wrapper {
    position: relative;
}

.core-product-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

/* AI产品卡片特殊布局：两列布局（左侧图片区域，右侧内容区域） */
.product-card-ai {
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: start;
    max-width: 100%;
    overflow: hidden;
}

/* AI产品卡片左侧图片容器（上下排布） */
.ai-images-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

/* AI产品卡片左侧图片 */
.ai-left-image {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-left-image .image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 280px;
    max-height: 320px;
    position: relative;
    background: rgba(10, 25, 41, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.ai-left-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* AI产品卡片中间图片（在左侧容器内，位于下方） */
.ai-center-image {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-center-image .image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 280px;
    max-height: 320px;
    position: relative;
    background: rgba(10, 25, 41, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.ai-center-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* AI产品卡片右侧内容区域 */
.ai-right-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: 100%;
    max-width: 100%;
}

/* AI策略文字区域 */
.ai-strategy-groups {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex: 1;
}

.ai-strategy-item {
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.ai-strategy-item:hover {
    border-color: rgba(0, 212, 255, 0.5);
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.ai-strategy-item h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.ai-strategy-item p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* AI策略图片区域 - 右侧底部 */
.ai-strategy-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: auto;
}

.strategy-image-item {
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    max-height: 220px;
    padding: 0.5rem;
}

.strategy-image-item:hover {
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 212, 255, 0.2);
    transform: translateY(-3px);
}

.strategy-image-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    max-width: 100%;
    max-height: 100%;
}

/* SCADA系统产品卡片布局 */
.product-card-scada {
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: stretch;
    max-width: 100%;
    overflow: hidden;
    min-height: 600px;
}

/* SCADA系统左侧图片容器（上下排布三张图片） */
.scada-images-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.scada-image-item {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    flex: 1 1 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.scada-image-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 212, 255, 0.2);
}

.scada-image-item .image-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
    background: rgba(10, 25, 41, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    min-height: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.4s ease;
}

.scada-image-item:hover .image-placeholder {
    border-color: rgba(0, 212, 255, 0.6);
    box-shadow: inset 0 0 30px rgba(0, 212, 255, 0.2);
}

.scada-image-item img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.scada-img-animated {
    position: relative;
    z-index: 2;
}

.scada-image-item:hover .scada-img-animated {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.05);
}

/* 图片覆盖层 - 提示文字 */
.scada-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 212, 255, 0.4) 0%,
        rgba(0, 150, 200, 0.5) 100%
    );
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    border-radius: 12px;
}

.scada-image-item:hover .scada-image-overlay {
    opacity: 1;
    visibility: visible;
}

.scada-overlay-content {
    text-align: center;
    color: var(--tech-dark);
    padding: 1.5rem;
    transform: translateY(10px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.scada-image-item:hover .scada-overlay-content {
    transform: translateY(0);
}

.scada-overlay-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff;
    text-shadow: 
        0 2px 10px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(0, 212, 255, 0.6),
        0 0 30px rgba(0, 212, 255, 0.4);
    letter-spacing: 2px;
}

.scada-overlay-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.7),
        0 0 15px rgba(0, 212, 255, 0.5);
}

/* 动态光效动画 */
@keyframes scadaGlow {
    0%, 100% {
        box-shadow: 
            0 0 20px rgba(0, 212, 255, 0.3),
            inset 0 0 30px rgba(0, 212, 255, 0.1);
    }
    50% {
        box-shadow: 
            0 0 40px rgba(0, 212, 255, 0.6),
            inset 0 0 50px rgba(0, 212, 255, 0.2);
    }
}

.scada-image-item:hover .image-placeholder {
    animation: scadaGlow 2s ease-in-out infinite;
}

/* 图片闪烁效果 */
@keyframes scadaPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.9;
    }
}

.scada-img-animated {
    animation: scadaPulse 3s ease-in-out infinite;
}

.scada-image-item:hover .scada-img-animated {
    animation: none;
}

/* SCADA系统右侧内容区域 */
.scada-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: 100%;
    max-width: 100%;
}

/* SCADA系统特性区域 */
.scada-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

/* 数字孪生卡片布局 - 复用SCADA样式 */
.product-card-twin {
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: stretch;
    max-width: 100%;
    overflow: hidden;
    min-height: 600px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.product-card-twin.active {
    position: relative !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) scale(1) !important;
    pointer-events: auto !important;
    z-index: 2 !important;
}

.scada-feature-item {
    padding: 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.scada-feature-item:hover {
    border-color: rgba(0, 212, 255, 0.5);
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.scada-feature-item h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.scada-feature-item p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* SCADA系统小型轮播区域 */
.scada-carousel-section {
    margin-top: 1.5rem;
}

.scada-carousel-title {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
    font-weight: 600;
}

.scada-mini-carousel {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(10, 25, 41, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.scada-carousel-container {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.scada-carousel-slides {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.scada-carousel-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    background: rgba(0, 0, 0, 0.2);
}

.scada-carousel-slide.active {
    opacity: 1;
}

.scada-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 0.5rem;
    max-width: 100%;
    max-height: 100%;
}

.scada-carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 212, 255, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.5);
    color: var(--primary-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    opacity: 0.7;
}

.scada-carousel-btn:hover {
    background: rgba(0, 212, 255, 0.5);
    border-color: var(--primary-color);
    opacity: 1;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.6);
}

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

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

.scada-carousel-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

.scada-carousel-indicators {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.scada-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.scada-indicator.active {
    background: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
    width: 24px;
    border-radius: 4px;
}

.scada-indicator:hover {
    background: rgba(0, 212, 255, 0.6);
}

.core-product-card.active {
    position: relative !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) scale(1) !important;
    pointer-events: auto !important;
    z-index: 2 !important;
}

.core-product-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 212, 255, 0.3);
    transform: translateY(-5px) scale(1);
}

/* Hover切换逻辑 */
.product-tabs:has(.product-tab[data-product="scada"]:hover) ~ .product-cards-wrapper .product-card-scada,
.product-tabs:has(.product-tab[data-product="scada"].active) ~ .product-cards-wrapper .product-card-scada,
.product-tab[data-product="scada"]:hover ~ .product-cards-wrapper .product-card-scada,
.product-tab[data-product="scada"].active ~ .product-cards-wrapper .product-card-scada {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    z-index: 2;
}

.product-tab[data-product="scada"]:hover ~ .product-cards-wrapper .product-card-msds,
.product-tab[data-product="scada"].active ~ .product-cards-wrapper .product-card-msds,
.product-tab[data-product="scada"]:hover ~ .product-cards-wrapper .product-card-ai,
.product-tab[data-product="scada"].active ~ .product-cards-wrapper .product-card-ai,
.product-tab[data-product="scada"]:hover ~ .product-cards-wrapper .product-card-twin,
.product-tab[data-product="scada"].active ~ .product-cards-wrapper .product-card-twin {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.product-tab[data-product="msds"]:hover ~ .product-cards-wrapper .product-card-msds,
.product-tab[data-product="msds"].active ~ .product-cards-wrapper .product-card-msds {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    z-index: 2;
}

.product-tab[data-product="msds"]:hover ~ .product-cards-wrapper .product-card-scada,
.product-tab[data-product="msds"].active ~ .product-cards-wrapper .product-card-scada,
.product-tab[data-product="msds"]:hover ~ .product-cards-wrapper .product-card-ai,
.product-tab[data-product="msds"].active ~ .product-cards-wrapper .product-card-ai,
.product-tab[data-product="msds"]:hover ~ .product-cards-wrapper .product-card-twin,
.product-tab[data-product="msds"].active ~ .product-cards-wrapper .product-card-twin {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.product-tab[data-product="ai"]:hover ~ .product-cards-wrapper .product-card-ai,
.product-tab[data-product="ai"].active ~ .product-cards-wrapper .product-card-ai {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    z-index: 2;
}

.product-tab[data-product="ai"]:hover ~ .product-cards-wrapper .product-card-scada,
.product-tab[data-product="ai"].active ~ .product-cards-wrapper .product-card-scada,
.product-tab[data-product="ai"]:hover ~ .product-cards-wrapper .product-card-msds,
.product-tab[data-product="ai"].active ~ .product-cards-wrapper .product-card-msds,
.product-tab[data-product="ai"]:hover ~ .product-cards-wrapper .product-card-twin,
.product-tab[data-product="ai"].active ~ .product-cards-wrapper .product-card-twin {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.product-tabs:has(.product-tab[data-product="twin"]:hover) ~ .product-cards-wrapper .product-card-twin,
.product-tabs:has(.product-tab[data-product="twin"].active) ~ .product-cards-wrapper .product-card-twin,
.product-tab[data-product="twin"]:hover ~ .product-cards-wrapper .product-card-twin,
.product-tab[data-product="twin"].active ~ .product-cards-wrapper .product-card-twin,
.product-cards-wrapper .product-card-twin.active {
    position: relative !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) scale(1) !important;
    pointer-events: auto !important;
    z-index: 2 !important;
}

.product-tab[data-product="twin"]:hover ~ .product-cards-wrapper .product-card-scada,
.product-tab[data-product="twin"].active ~ .product-cards-wrapper .product-card-scada,
.product-tab[data-product="twin"]:hover ~ .product-cards-wrapper .product-card-msds,
.product-tab[data-product="twin"].active ~ .product-cards-wrapper .product-card-msds,
.product-tab[data-product="twin"]:hover ~ .product-cards-wrapper .product-card-ai,
.product-tab[data-product="twin"].active ~ .product-cards-wrapper .product-card-ai {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.core-product-image {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.core-product-image .image-placeholder {
    height: 400px;
    position: relative;
}

.core-product-content {
    position: relative;
}

.product-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 0;
    margin-bottom: 1.5rem;
    position: relative;
    border: none;
    box-shadow: none;
}

/* 底部横线（带右侧箭头） */
.product-tag::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%);
}

.core-product-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.core-product-intro {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.core-product-intro strong {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.core-product-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.feature-group h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.feature-group ul {
    list-style: none;
    padding: 0;
}

.feature-group ul li {
    color: var(--text-light);
    padding: 0.4rem 0;
    padding-left: 1.2rem;
    position: relative;
    font-size: 0.95rem;
}

.feature-group p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.feature-group ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.core-product-cta {
    margin-top: 2rem;
}

/* AI策略预览图片 */
.strategy-preview-image {
    margin-top: 1rem;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.feature-group:hover .strategy-preview-image {
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 212, 255, 0.2);
}

.strategy-preview-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    min-height: 200px;
    transition: transform 0.3s ease;
}

.feature-group:hover .strategy-preview-image img {
    transform: scale(1.03);
}

/* 产品页面特色产品样式 */
.featured-product {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 212, 255, 0.3);
    position: relative;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--tech-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    z-index: 10;
}

.product-highlights {
    background: rgba(0, 212, 255, 0.1);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.product-highlights h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.product-highlights p {
    color: var(--text-light);
    line-height: 1.8;
}

.product-sections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.product-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* 应用场景区域 */
.applications {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--tech-gray) 0%, var(--tech-dark) 100%);
    position: relative;
    z-index: 1;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.application-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.application-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.application-card:hover::after {
    opacity: 1;
}

.application-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 212, 255, 0.3);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

.application-card:hover .app-icon img {
    transform: scale(1.1);
    filter: brightness(1.2) drop-shadow(0 0 20px rgba(0, 212, 255, 0.6));
}

.app-icon {
    width: 100%;
    height: 200px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: var(--tech-gray);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s, filter 0.4s;
    display: block;
}

.app-icon svg.industrial-icon {
    width: 80px;
    height: 80px;
    color: var(--primary-color);
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.4));
    transition: all 0.4s;
    opacity: 0.6;
}

.application-card:hover .app-icon svg.industrial-icon {
    transform: scale(1.15);
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8));
    color: var(--accent-color);
}

.app-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.4s;
}

.application-card:hover .app-icon::before {
    opacity: 1;
    width: 120px;
    height: 120px;
    border-color: rgba(0, 212, 255, 0.4);
}

.application-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    position: relative;
    z-index: 1;
}

.application-card p {
    color: var(--text-light);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* 特性区域 */
.features {
    padding: 5rem 0;
    background: var(--tech-gray);
    position: relative;
    z-index: 1;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
    position: relative;
    display: inline-block;
    width: 100%;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s;
}

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

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 212, 255, 0.3);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
}

.feature-icon svg.industrial-icon {
    width: 100%;
    height: 100%;
    color: var(--primary-color);
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.4));
    transition: all 0.4s;
}

.feature-card:hover .feature-icon svg.industrial-icon {
    transform: scale(1.15);
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8));
    color: var(--accent-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.feature-card p {
    color: var(--text-light);
}

/* 荣誉资质预览区域 */
/* 人工智能策略系统 */
.ai-strategy {
    padding: 6rem 0;
    background: linear-gradient(180deg, 
        rgba(10, 25, 41, 0.95) 0%, 
        rgba(15, 30, 50, 0.98) 50%,
        rgba(10, 25, 41, 0.95) 100%);
    position: relative;
    overflow: hidden;
}

.ai-strategy::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    pointer-events: none;
}

.section-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    max-width: 800px;
    margin: 1rem auto 3rem;
    line-height: 1.8;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

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

.ai-architecture {
    margin-bottom: 4rem;
}

.ai-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(10, 25, 41, 0.6);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 212, 255, 0.3);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(0, 212, 255, 0.2),
        inset 0 0 60px rgba(0, 212, 255, 0.1);
    transition: all 0.4s ease;
}

.ai-image-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 100px rgba(0, 212, 255, 0.3),
        inset 0 0 80px rgba(0, 212, 255, 0.15);
}

.ai-architecture-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    min-height: 500px;
}

.ai-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 25, 41, 0.95) 100%);
    padding: 2rem;
    text-align: center;
}

.ai-image-overlay h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
}

.ai-image-overlay p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.strategy-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.strategy-card {
    background: rgba(10, 25, 41, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 2px solid rgba(0, 212, 255, 0.2);
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.4),
        inset 0 0 40px rgba(0, 212, 255, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.strategy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%,
        var(--primary-color) 50%,
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.strategy-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(0, 212, 255, 0.3),
        inset 0 0 60px rgba(0, 212, 255, 0.15);
}

.strategy-card:hover::before {
    transform: translateX(100%);
}

.strategy-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.6));
    transition: all 0.4s ease;
}

.strategy-card:hover .strategy-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 25px rgba(0, 212, 255, 0.9));
}

.strategy-card h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.strategy-card p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 2rem;
    text-align: left;
}

.strategy-image-wrapper {
    margin-top: 2rem;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    transition: all 0.4s ease;
}

.strategy-card:hover .strategy-image-wrapper {
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 212, 255, 0.2);
}

.strategy-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    min-height: 300px;
    transition: transform 0.4s ease;
}

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

.honors-preview {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--tech-dark) 0%, var(--tech-gray) 100%);
    position: relative;
    z-index: 1;
}

.honors-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.honor-stat-item {
    text-align: center;
    padding: 2.5rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.4s;
}

.honor-stat-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 212, 255, 0.3);
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
    margin-bottom: 1rem;
    line-height: 1;
}

.stat-label {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 500;
}

.honors-cta {
    text-align: center;
    margin-top: 2rem;
}

/* 证书展示 */
.certification-showcase {
    max-width: 600px;
    margin: 3rem auto;
}

.certification-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s;
    box-shadow: var(--shadow);
}

.certification-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 212, 255, 0.4);
}

.cert-image-wrapper {
    width: 100%;
    height: auto;
    min-height: 200px;
    max-height: 400px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 1rem;
}

.cert-image-wrapper img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.4s;
}

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

.cert-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-info {
    padding: 2rem;
    text-align: center;
}

.cert-info h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
}

.cert-info p {
    color: var(--text-light);
    margin: 0.5rem 0;
    font-size: 1rem;
}

.cert-number {
    color: var(--text-color);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 公司简介区域 */
.company-intro-section {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--tech-gray) 0%, var(--tech-dark) 100%);
    position: relative;
    z-index: 1;
}

.intro-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.intro-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.intro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s;
}

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

.intro-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 212, 255, 0.3);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

.intro-icon-large {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
}

.intro-icon-large svg.industrial-icon {
    width: 100%;
    height: 100%;
    color: var(--primary-color);
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.4));
    transition: all 0.4s;
}

.intro-card:hover .intro-icon-large svg.industrial-icon {
    transform: scale(1.15);
    filter: drop-shadow(0 0 25px rgba(0, 212, 255, 0.7));
    color: var(--accent-color);
}

.intro-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    position: relative;
    z-index: 1;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.intro-card p {
    color: var(--text-light);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* 关于我们页面的公司简介 */
.company-intro {
    margin-top: 2rem;
}

.intro-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s;
}

.intro-item:hover {
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
    border-color: var(--primary-color);
}

.intro-item .intro-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
}

.intro-item p {
    flex: 1;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin: 0;
}

.intro-item strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* 优势区域 */
.advantages {
    padding: 5rem 0;
    background: var(--tech-dark);
    position: relative;
    z-index: 1;
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.advantages-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.advantages-list {
    list-style: none;
    font-size: 1.1rem;
    line-height: 2;
}

.advantages-list li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.2);
}

.advantages-image {
    background: var(--tech-gray);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}

.image-placeholder {
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

.advantages-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 3rem;
    width: 100%;
}

.visual-item {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.visual-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.visual-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.visual-item h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.visual-item p {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
}

/* SCADA轮播样式 */
.scada-carousel {
    width: 100%;
    height: 400px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: var(--tech-dark);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 1.5rem 1rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    z-index: 2;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 212, 255, 0.3);
    border: 2px solid rgba(0, 212, 255, 0.6);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    line-height: 1;
    padding: 0;
}

.carousel-btn:hover {
    background: rgba(0, 212, 255, 0.6);
    border-color: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.carousel-prev {
    left: 15px;
}

.carousel-next {
    right: 15px;
}

.carousel-indicators {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.indicator:hover {
    background: rgba(0, 212, 255, 0.6);
    transform: scale(1.2);
}

.indicator.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, var(--tech-dark) 0%, var(--tech-gray) 50%, var(--tech-blue) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

/* 产品页面 */
.products {
    padding: 5rem 0;
    background: var(--tech-dark);
    position: relative;
}

.product-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.product-card.reverse {
    direction: rtl;
}

.product-card.reverse > * {
    direction: ltr;
}

.product-image {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

/* 产品页面图片蒙层效果 */
.product-image .image-placeholder {
    position: relative;
    cursor: pointer;
}

.product-image .image-placeholder:hover .scada-image-overlay {
    opacity: 1;
    visibility: visible;
}

.product-image .image-placeholder:hover .scada-img-animated {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.05);
}

.product-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.product-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.product-features {
    list-style: none;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 关于我们页面 */
.about {
    padding: 5rem 0;
    background: var(--tech-dark);
    position: relative;
}

.about-text {
    max-width: 800px;
    margin: 0 auto 4rem;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.values {
    margin-top: 4rem;
}

.values h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

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

.value-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.team {
    margin-top: 4rem;
    text-align: center;
}

.team h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.team p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.team h2 {
    color: var(--text-color);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

/* 荣誉资质区域 */
.honors {
    margin-top: 5rem;
    padding: 3rem 0;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    padding: 3rem;
}

.honors h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.honors-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* 认证区域 */
.certification-section,
.patents-section,
.copyrights-section {
    margin-bottom: 4rem;
}

.certification-section h3,
.patents-section h3,
.copyrights-section h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* 认证网格 */
.certification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* 专利网格 */
.patents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

/* 著作权网格 */
.copyrights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

/* 认证/专利/著作权项目 */
.certification-item,
.patent-item,
.copyright-item {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s;
    display: flex;
    flex-direction: column;
}

.certification-item:hover,
.patent-item:hover,
.copyright-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 212, 255, 0.3);
}

.cert-image,
.patent-image,
.copyright-image {
    width: 100%;
    height: auto;
    min-height: 200px;
    max-height: 300px;
    background: var(--tech-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 1rem;
}

.cert-image img,
.patent-image img,
.copyright-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.4s;
}

.certification-item:hover .cert-image img,
.patent-item:hover .patent-image img,
.copyright-item:hover .copyright-image img {
    transform: scale(1.05);
}

.cert-placeholder,
.patent-placeholder,
.copyright-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tech-gray);
}

.cert-icon,
.patent-icon,
.copyright-icon {
    width: 80%;
    height: 80%;
    color: var(--primary-color);
    opacity: 0.5;
}

.cert-info,
.patent-info,
.copyright-info {
    padding: 1.5rem;
    text-align: center;
}

.cert-info h4,
.patent-info h4,
.copyright-info h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.cert-info p,
.patent-info p,
.copyright-info p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
}

/* 联系我们页面 */
.contact {
    padding: 5rem 0;
    background: var(--tech-dark);
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.info-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.info-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.info-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.info-item p {
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.contact-form {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-form h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
    background: rgba(15, 20, 35, 0.5);
    color: var(--text-color);
    backdrop-filter: blur(5px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
    background: rgba(15, 20, 35, 0.7);
}

.form-group textarea {
    resize: vertical;
}

/* 页脚 */
.footer {
    background: var(--text-color);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section p {
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* 备案号样式 */
.icp-beian {
    margin: 0.5rem 0;
    font-size: 0.85rem;
    opacity: 0.9;
}

.icp-beian a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s, opacity 0.3s;
}

.icp-beian a:hover {
    color: var(--primary-color);
    opacity: 1;
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
}

/* 访问统计样式 */
.visit-stats {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.stats-item {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.stats-number {
    color: var(--primary-color);
    font-weight: 600;
    margin-left: 0.25rem;
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
}

.stats-divider {
    color: rgba(255, 255, 255, 0.3);
    margin: 0 0.5rem;
}

/* 移动端优化 */
@media (max-width: 767px) {
    .visit-stats {
        font-size: 0.75rem;
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .stats-divider {
        display: none;
    }
    
    .stats-item {
        display: block;
    }
}

/* 滚动动画 */
.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 科技感背景 */
.tech-bg {
    background: linear-gradient(135deg, #0a1929 0%, #1e293b 50%, #0066ff 100%);
    position: relative;
    overflow: hidden;
}

.tech-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 15s linear infinite;
}

.tech-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 102, 255, 0.2) 0%, transparent 50%);
    animation: pulse 3s ease-in-out infinite;
}

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

.tech-bg span {
    position: relative;
    z-index: 2;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
}

/* 通用section样式 */
section {
    position: relative;
    z-index: 1;
}

section > .container {
    position: relative;
    z-index: 2;
}

/* ============================================
   响应式设计 - 全面优化
   ============================================ */

/* 超大屏幕 (1920px+) */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }

    .hero-title {
        font-size: 4.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 3rem;
    }
}

/* 大屏幕桌面 (1024px - 1919px) - 默认样式 */
@media (min-width: 1024px) and (max-width: 1919px) {
    .container {
        max-width: 1200px;
    }
}

/* 平板端 (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        padding: 0 2rem;
    }

    .hero {
        min-height: 600px;
    }

    .hero-title {
        font-size: 3rem;
    }

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

    .navbar {
        padding: 1rem 0;
    }

    .nav-menu {
        gap: 1.5rem;
    }

    .nav-menu a {
        font-size: 0.95rem;
    }
    
    /* 确保移动端菜单样式不被覆盖 - 已合并到下面的移动端媒体查询中 */

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

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

    .core-product-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .advantages-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

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

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

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

    /* 工业元素在平板端缩小 */
    .hero-industrial-elements svg {
        opacity: 0.3;
    }

    .modern-building:nth-of-type(1) {
        width: 300px;
        height: 420px;
    }

    .power-tower {
        width: 150px;
        height: 225px;
    }

    .three-phase-wave {
        width: 300px;
        height: 200px;
    }

    .industrial-monitor {
        width: 160px;
        height: 130px;
    }

    .plc-controller {
        width: 150px;
        height: 112px;
    }

    .air-conditioner {
        width: 135px;
        height: 105px;
    }

    .power-cabinet {
        width: 112px;
        height: 127px;
    }

    .industrial-gear {
        width: 120px;
        height: 120px;
    }
}

/* 移动端 (最大宽度 767px) */
@media (max-width: 767px) {
    /* 基础布局 */
    .container {
        padding: 0 1rem;
    }
    
    /* 移动端：隐藏桌面端的导航菜单 */
    .desktop-menu {
        display: none !important;
    }
    
    /* 移动端：显示移动端菜单 */
    .mobile-nav-menu {
        display: flex;
    }

    /* 导航栏 */
    .navbar {
        padding: 0.75rem 0;
    }

    .hamburger {
        display: flex;
        z-index: 1003; /* 确保在最上层 */
        position: relative;
        padding: 8px;
        margin: -8px;
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(0, 212, 255, 0.3);
        touch-action: manipulation;
        background: transparent;
        border: none;
        outline: none;
    }

    .hamburger:active {
        opacity: 0.7;
    }

    .hamburger span {
        pointer-events: none;
    }

    /* 移动端侧边栏菜单 - 独立实现，不在navbar内 */
    .mobile-nav-menu {
        position: fixed;
        left: 0;
        top: 70px;
        width: 280px;
        max-width: 85vw;
        height: calc(100vh - 70px);
        flex-direction: column;
        background: linear-gradient(180deg, rgba(10, 25, 41, 0.98) 0%, rgba(15, 30, 50, 0.98) 100%);
        backdrop-filter: blur(20px);
        box-shadow: 2px 0 30px rgba(0, 0, 0, 0.7), 
                    0 0 60px rgba(0, 212, 255, 0.1);
        padding: 1.5rem 0;
        z-index: 10000;
        display: flex;
        margin: 0;
        gap: 0.5rem;
        overflow-y: auto;
        /* 默认隐藏状态 */
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        border: none;
        outline: none;
        box-sizing: border-box;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                    visibility 0.3s ease,
                    opacity 0.3s ease;
        border-right: 1px solid rgba(0, 212, 255, 0.2);
    }

    .mobile-nav-menu:not(.hidden) {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .mobile-nav-menu.hidden {
        transform: translateX(-100%);
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
    }
    
    /* 移动端菜单滚动条样式 */
    .mobile-nav-menu::-webkit-scrollbar {
        width: 4px;
    }
    
    .mobile-nav-menu::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.2);
    }
    
    .mobile-nav-menu::-webkit-scrollbar-thumb {
        background: rgba(0, 212, 255, 0.5);
        border-radius: 2px;
    }
    
    .mobile-nav-menu::-webkit-scrollbar-thumb:hover {
        background: rgba(0, 212, 255, 0.7);
    }

    /* 菜单项 - 使用div实现 */
    .nav-menu-item {
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        outline: none !important;
        display: block !important;
        width: 100% !important;
        list-style: none !important;
    }
    
    .nav-menu-item a {
        font-size: 1rem !important;
        padding: 1rem 1.2rem !important;
        display: block !important;
        width: 100% !important;
        color: rgba(255, 255, 255, 0.9) !important;
        text-decoration: none !important;
        font-weight: 500 !important;
        background: transparent !important;
        border: none !important;
        outline: none !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        box-sizing: border-box !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        position: relative !important;
        border-left: 3px solid transparent !important;
    }
    
    .nav-menu-item a::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--primary-color);
        transform: scaleY(0);
        transition: transform 0.3s ease;
    }
    
    .nav-menu-item a:hover {
        color: #00d4ff !important;
        background: linear-gradient(90deg, rgba(0, 212, 255, 0.1) 0%, transparent 100%) !important;
        padding-left: 1.5rem !important;
    }
    
    .nav-menu-item a:hover::before {
        transform: scaleY(1);
    }
    
    .nav-menu-item a.active {
        color: #00d4ff !important;
        background: linear-gradient(90deg, rgba(0, 212, 255, 0.15) 0%, transparent 100%) !important;
        border-left-color: var(--primary-color) !important;
        text-shadow: 0 0 10px rgba(0, 212, 255, 0.5) !important;
    }
    
    .nav-menu-item a.active::before {
        transform: scaleY(1);
    }

    .brand-logo {
        width: 40px;
        height: 40px;
    }

    /* 数字雨效果在移动端简化 */
    .navbar-digital-rain {
        display: none; /* 移动端隐藏以提升性能 */
    }

    /* Hero区域 */
    .hero {
        min-height: 500px;
        padding: 2rem 0;
    }

    .hero-content {
        padding: 1rem;
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

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

    .title-sub {
        font-size: 0.9rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
        padding: 0 1rem;
    }

    .hero-tags {
        gap: 0.5rem;
        margin-bottom: 1.5rem;
        padding: 0 1rem;
    }

    .tag {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        width: 100%;
        padding: 0 1rem;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        padding: 0.9rem 2rem;
        font-size: 0.95rem;
    }

    /* 工业元素在移动端隐藏或大幅缩小 */
    .hero-industrial-elements {
        opacity: 0.2;
    }

    .hero-industrial-elements svg {
        opacity: 0.15;
    }

    .modern-building:nth-of-type(1) {
        width: 150px;
        height: 210px;
        right: -10%;
        top: 10%;
    }

    .power-tower {
        width: 80px;
        height: 120px;
        right: -5%;
        top: 20%;
    }

    .three-phase-wave {
        width: 200px;
        height: 133px;
        left: -10%;
        top: 25%;
        opacity: 0.3;
    }

    .industrial-monitor {
        width: 100px;
        height: 80px;
        right: -5%;
        top: 50%;
    }

    .plc-controller {
        width: 90px;
        height: 68px;
        left: -5%;
        bottom: 15%;
    }

    .air-conditioner {
        width: 80px;
        height: 62px;
        left: 20%;
        bottom: 25%;
    }

    .power-cabinet {
        width: 70px;
        height: 80px;
        right: 25%;
        bottom: 20%;
    }

    .industrial-gear {
        width: 70px;
        height: 70px;
        right: -5%;
        top: 60%;
    }

    /* 核心产品 */
    .core-product {
        padding: 3rem 0;
    }

    .product-tabs {
        gap: 0.5rem;
        margin-bottom: 2rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
        -ms-overflow-style: none; /* IE and Edge */
        justify-content: flex-start;
        padding: 0 1rem;
    }

    .product-tabs::-webkit-scrollbar {
        display: none; /* Chrome, Safari, Opera */
    }

    .product-tab {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
        white-space: nowrap;
        flex-shrink: 0;
        min-width: auto;
    }

    .tab-icon {
        width: 16px;
        height: 16px;
        flex-shrink: 0;
    }

    .tab-text {
        white-space: nowrap;
    }

    .product-cards-wrapper {
        min-height: 600px;
    }

    .core-product-card {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem 1.5rem;
    }

    .core-product-image {
        height: auto;
        min-height: 250px;
    }

    .core-product-image .image-placeholder,
    .core-product-image img {
        height: auto;
        min-height: 250px;
        object-fit: contain; /* 移动端完整显示图片 */
    }

    .core-product-content h2 {
        font-size: 1.5rem;
    }

    .core-product-intro {
        font-size: 0.95rem;
    }

    .core-product-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-group h3 {
        font-size: 1.1rem;
    }

    /* SCADA系统产品卡片移动端布局 */
    .product-card-scada {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }

    .scada-images-container {
        height: auto;
        gap: 1rem;
        min-height: 0;
    }

    .scada-image-item {
        flex: 0 0 auto;
        min-height: 200px;
        max-height: 250px;
    }

    .scada-image-item:hover {
        transform: translateY(-3px);
    }

    .scada-image-item .image-placeholder {
        min-height: 200px;
        max-height: 250px;
    }

    .scada-overlay-content h3 {
        font-size: 1.4rem;
    }

    .scada-overlay-content p {
        font-size: 0.85rem;
    }

    .scada-features {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }

    .scada-feature-item {
        padding: 1rem;
    }

    .scada-feature-item h3 {
        font-size: 1rem;
    }

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

    /* SCADA小型轮播移动端 */
    .scada-carousel-container {
        height: 180px !important;
    }

    .scada-carousel-btn {
        width: 32px !important;
        height: 32px !important;
    }

    .scada-carousel-btn svg {
        width: 16px !important;
        height: 16px !important;
    }

    .scada-carousel-prev {
        left: 5px !important;
    }

    .scada-carousel-next {
        right: 5px !important;
    }

    .scada-carousel-indicators {
        bottom: 5px !important;
    }

    .scada-indicator {
        width: 6px !important;
        height: 6px !important;
    }

    .scada-indicator.active {
        width: 20px !important;
    }

    /* AI产品卡片移动端布局 */
    .product-card-ai {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }

    .ai-images-container {
        order: 1;
        gap: 1rem;
    }

    .ai-left-image .image-placeholder,
    .ai-center-image .image-placeholder {
        min-height: 250px !important;
        max-height: 280px !important;
    }

    .ai-left-image {
        order: 1;
    }

    .ai-center-image {
        order: 2;
    }

    .ai-right-content {
        order: 3;
    }

    .ai-strategy-images {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }

    .strategy-image-item {
        min-height: 250px;
        aspect-ratio: 16 / 10;
    }

    .ai-strategy-item {
        padding: 1rem;
    }

    .ai-strategy-item h3 {
        font-size: 1.1rem;
    }

    .ai-strategy-item p {
        font-size: 0.9rem;
    }

    /* 应用场景 */
    .applications {
        padding: 3rem 0;
    }

    .applications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .application-card {
        padding: 1.5rem;
    }

    .app-icon {
        height: 180px;
        margin-bottom: 1rem;
    }

    .app-icon img {
        object-fit: contain; /* 移动端完整显示图片，不裁剪 */
    }

    .application-card h3 {
        font-size: 1.2rem;
    }

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

    /* 核心特性 */
    .features {
        padding: 3rem 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-card h3 {
        font-size: 1.2rem;
    }

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

    /* 人工智能策略系统 */
    .ai-strategy {
        padding: 4rem 0;
    }

    .section-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
        margin-bottom: 2rem;
    }

    .ai-architecture {
        margin-bottom: 3rem;
    }

    .ai-architecture-img {
        min-height: 300px;
    }

    .ai-image-overlay {
        padding: 1.5rem;
    }

    .ai-image-overlay h3 {
        font-size: 1.5rem;
    }

    .ai-image-overlay p {
        font-size: 1rem;
    }

    .strategy-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 3rem;
    }

    .strategy-card {
        padding: 2rem 1.5rem;
    }

    .strategy-icon {
        width: 60px;
        height: 60px;
    }

    .strategy-card h3 {
        font-size: 1.5rem;
    }

    .strategy-card p {
        font-size: 1rem;
    }

    .strategy-image {
        min-height: 250px;
    }

    /* 荣誉资质 */
    .honors-preview {
        padding: 3rem 0;
    }

    .honor-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .certification-showcase {
        margin-top: 2rem;
    }

    .certification-card {
        padding: 1.5rem;
    }

    /* 关于我们 */
    .company-intro {
        padding: 3rem 0;
    }

    .company-intro-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .company-intro-card {
        padding: 1.5rem;
    }

    .company-intro-card h3 {
        font-size: 1.2rem;
    }

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

    /* 为什么选择我们 */
    .advantages {
        padding: 3rem 0;
    }

    .advantages-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .advantages-list {
        padding: 1.5rem;
    }

    .advantages-list li {
        font-size: 0.9rem;
        margin-bottom: 0.75rem;
    }

    .scada-carousel {
        height: auto;
        min-height: 250px;
        position: relative;
    }

    .carousel-container {
        height: auto;
        min-height: 250px;
        position: relative;
    }

    .carousel-slides {
        height: auto;
        min-height: 250px;
        position: relative;
    }

    .carousel-slide {
        position: relative;
        height: auto;
        min-height: 250px;
        opacity: 1;
        display: none;
    }

    .carousel-slide.active {
        display: flex;
        opacity: 1;
    }

    .carousel-slide img {
        height: auto;
        min-height: 250px;
        object-fit: contain; /* 移动端完整显示图片 */
        width: 100%;
        position: relative;
    }

    /* 移动端隐藏导航按钮，使用触摸滑动 */
    .carousel-btn {
        display: none;
    }

    /* 移动端调整指示器位置 */
    .carousel-indicators {
        bottom: 10px;
        position: absolute;
    }

    /* 产品页面 */
    .products {
        padding: 3rem 0;
    }

    .product-card {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .product-card.reverse {
        direction: ltr;
    }

    .product-image {
        height: auto;
        min-height: 200px;
    }

    .product-image img {
        object-fit: contain; /* 移动端完整显示图片 */
        width: 100%;
        height: auto;
    }

    .product-content h2 {
        font-size: 1.5rem;
    }

    .product-description {
        font-size: 0.95rem;
    }

    .product-sections {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* 实施案例 */
    .cases {
        padding: 3rem 0;
    }

    .case-filters {
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 2rem;
    }

    .filter-btn {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .case-image {
        height: auto;
        min-height: 200px;
    }

    .case-image img,
    .case-image .image-placeholder {
        height: auto;
        min-height: 200px;
        object-fit: contain; /* 移动端完整显示图片 */
    }

    .case-content {
        padding: 1.5rem;
    }

    .case-content h3 {
        font-size: 1.2rem;
    }

    .case-description {
        font-size: 0.9rem;
    }

    .case-stats {
        flex-direction: column;
        gap: 1rem;
    }

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

    /* 关于我们页面 */
    .about {
        padding: 3rem 0;
    }

    .about-text {
        padding: 0 1rem;
    }

    .about-text h2 {
        font-size: 1.8rem;
    }

    .about-text p {
        font-size: 0.95rem;
    }

    .values {
        margin-top: 2rem;
    }

    .values h2 {
        font-size: 1.8rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .honors {
        padding: 2rem 1rem;
    }

    .honors h2 {
        font-size: 1.8rem;
    }

    .honors-intro {
        font-size: 0.95rem;
    }

    .certification-grid,
    .patents-grid,
    .copyrights-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cert-image,
    .patent-image,
    .copyright-image {
        height: auto;
        min-height: 200px;
    }

    .cert-image img,
    .patent-image img,
    .copyright-image img {
        object-fit: contain; /* 移动端完整显示图片 */
        width: 100%;
        height: auto;
        min-height: 200px;
    }

    .cert-image-wrapper {
        height: auto;
        min-height: 200px;
    }

    .cert-image-wrapper img {
        object-fit: contain; /* 移动端完整显示图片 */
        width: 100%;
        height: auto;
        min-height: 200px;
    }

    .honors-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* 联系我们 */
    .contact {
        padding: 3rem 0;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-info {
        padding: 1.5rem;
    }

    .info-item {
        margin-bottom: 1.5rem;
    }

    .info-item h3 {
        font-size: 1.1rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-group input,
    .form-group textarea {
        font-size: 0.95rem;
        padding: 0.75rem;
    }

    /* 页脚 */
    .footer {
        padding: 2rem 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-section h3,
    .footer-section h4 {
        font-size: 1.1rem;
    }

    .footer-section p,
    .footer-section li {
        font-size: 0.9rem;
    }

    /* 通用样式调整 */
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    /* 触摸优化 */
    .btn,
    .filter-btn,
    .tag {
        -webkit-tap-highlight-color: rgba(0, 212, 255, 0.3);
        touch-action: manipulation;
    }

    /* 滚动优化 */
    html {
        -webkit-overflow-scrolling: touch;
    }
}

/* 小屏幕移动端 (最大宽度 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .title-main {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 0.85rem;
    }

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

    .container {
        padding: 0 0.75rem;
    }

    .btn {
        font-size: 0.9rem;
        padding: 0.8rem 1.5rem;
    }

    .tag {
        font-size: 0.75rem;
        padding: 0.35rem 0.8rem;
    }

    .product-tabs {
        gap: 0.4rem;
        padding: 0 0.5rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        justify-content: flex-start;
    }

    .product-tabs::-webkit-scrollbar {
        display: none;
    }

    .product-tab {
        padding: 0.5rem 0.8rem;
        font-size: 0.75rem;
        gap: 0.5rem;
        flex-shrink: 0;
        white-space: nowrap;
    }

    .tab-icon {
        width: 14px;
        height: 14px;
    }

    .application-card,
    .feature-card,
    .case-card {
        padding: 1.25rem;
    }

    .app-icon {
        height: 150px;
    }

    .app-icon img {
        object-fit: contain; /* 小屏幕完整显示图片 */
    }

    .case-image {
        height: auto;
        min-height: 180px;
    }

    .case-image img,
    .case-image .image-placeholder {
        object-fit: contain; /* 小屏幕完整显示图片 */
        height: auto;
        min-height: 180px;
    }

    .scada-carousel {
        height: auto;
        min-height: 200px;
    }

    .carousel-slide {
        height: auto;
        min-height: 200px;
    }

    .carousel-slide img {
        object-fit: contain; /* 小屏幕完整显示图片 */
        height: auto;
        min-height: 200px;
        width: 100%;
    }
}

/* 实施案例页面样式 */
.cases {
    padding: 5rem 0;
    background: var(--tech-dark);
    position: relative;
    z-index: 1;
}

.case-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.2);
}

.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--tech-dark);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.case-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s;
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: translateY(0);
}

.case-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 212, 255, 0.3);
}

.case-image {
    width: 100%;
    height: 250px;
    position: relative;
    overflow: hidden;
}

.case-image .image-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
}

.case-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 3;
}

.case-tag {
    background: rgba(0, 212, 255, 0.9);
    color: var(--tech-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.case-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-content h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.case-location {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.case-description {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    flex: 1;
}

.case-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.feature-tag:hover {
    background: rgba(0, 212, 255, 0.25);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.case-stats {
    display: flex;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0.8;
}

/* 重复的媒体查询已合并到上面的完整响应式设计中 */