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

:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #111111;
    --text-primary: #ffffff;
    --text-secondary: #8a8a8a;
    --text-tertiary: #5a5a5a;
    --accent-color: #00d4ff;
    --accent-hover: #00b8e6;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --border-color: #1a1a1a;
    --border-hover: #2a2a2a;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.2);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
    transition: var(--transition-fast);
}

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

/* 选中文本样式 */
::selection {
    background: var(--accent-glow);
    color: var(--text-primary);
}

/* 鼠标光效 */
.mouse-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    mix-blend-mode: screen;
    transition: opacity 0.3s;
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* 渐变文字效果 */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-color) 0%, #00f0ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 页面加载器 - 科技质感设计 */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, #0a0a0a 0%, #000000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), visibility 1s;
    overflow: hidden;
}

/* 背景光效 */
.page-loader::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, 
        rgba(0, 212, 255, 0.08) 0%, 
        transparent 60%);
    animation: bgPulse 4s ease-in-out infinite;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    position: relative;
    text-align: center;
    animation: contentAppear 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 品牌LOGO - 科技风格 */
.loader-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: var(--accent-color);
    font-weight: 300;
    position: relative;
    animation: logoRotate 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Logo多层光环 */
.loader-logo::before {
    content: '';
    position: absolute;
    width: 180%;
    height: 180%;
    background: radial-gradient(circle, 
        rgba(0, 212, 255, 0.2) 0%, 
        rgba(0, 212, 255, 0.1) 30%, 
        transparent 60%);
    border-radius: 50%;
    animation: ring1Pulse 3s ease-in-out infinite;
}

.loader-logo::after {
    content: '';
    position: absolute;
    width: 140%;
    height: 140%;
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    animation: ring2Spin 6s linear infinite;
    border-top-color: var(--accent-color);
    border-right-color: transparent;
    border-bottom-color: transparent;
    border-left-color: transparent;
}

/* 进度条 - 青色主题 */
.loader-spinner {
    position: relative;
    width: 280px;
    height: 4px;
    margin: 0 auto;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 
        inset 0 0 10px rgba(0, 212, 255, 0.2),
        0 0 20px rgba(0, 212, 255, 0.1);
}

/* 流光进度 */
.loader-spinner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 40%;
    background: linear-gradient(90deg, 
        transparent 0%,
        rgba(0, 212, 255, 0.4) 20%,
        var(--accent-color) 50%,
        rgba(0, 212, 255, 0.4) 80%,
        transparent 100%);
    border-radius: 10px;
    animation: progressSlide 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    box-shadow: 
        0 0 30px var(--accent-color),
        0 0 60px rgba(0, 212, 255, 0.5);
}

.loader-ring-inner {
    display: none;
}

/* 加载文字 - 清晰可见 */
.loader-text {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 400;
    white-space: nowrap;
    animation: textFadeIn 2s ease-in-out infinite;
}

/* 底部品牌名 - 清晰展示 */
.loader-progress {
    margin-top: 50px;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 3px;
    font-weight: 300;
    animation: brandPulse 3s ease-in-out infinite;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

/* 装饰粒子 */
.loader-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.loader-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-color);
}

.loader-particle:nth-child(1) {
    top: 35%;
    left: 25%;
    animation: particleOrbit 8s ease-in-out infinite;
}

.loader-particle:nth-child(2) {
    top: 35%;
    left: 75%;
    animation: particleOrbit 8s ease-in-out infinite 2s;
}

.loader-particle:nth-child(3) {
    top: 65%;
    left: 25%;
    animation: particleOrbit 8s ease-in-out infinite 4s;
}

.loader-particle:nth-child(4) {
    top: 65%;
    left: 75%;
    animation: particleOrbit 8s ease-in-out infinite 6s;
}

.loader-particle:nth-child(5) {
    top: 50%;
    left: 50%;
    animation: particlePulse 4s ease-in-out infinite;
}

/* 动画定义 */
@keyframes contentAppear {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes logoRotate {
    0%, 100% {
        transform: rotate(0deg);
        text-shadow: 
            0 0 20px rgba(0, 212, 255, 0.6),
            0 0 40px rgba(0, 212, 255, 0.4),
            0 0 60px rgba(0, 212, 255, 0.2);
    }
    50% {
        transform: rotate(180deg);
        text-shadow: 
            0 0 30px rgba(0, 212, 255, 0.8),
            0 0 60px rgba(0, 212, 255, 0.6),
            0 0 90px rgba(0, 212, 255, 0.4);
    }
}

@keyframes ring1Pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.6;
    }
}

@keyframes ring2Spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes progressSlide {
    0% {
        transform: translateX(-120%);
    }
    100% {
        transform: translateX(350%);
    }
}

@keyframes textFadeIn {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.9;
    }
}

@keyframes brandPulse {
    0%, 100% {
        opacity: 0.6;
        text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    }
    50% {
        opacity: 0.9;
        text-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    }
}

@keyframes bgPulse {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes particleOrbit {
    0%, 100% {
        opacity: 0;
        transform: translate(0, 0) scale(0.5);
    }
    25% {
        opacity: 1;
        transform: translate(30px, -30px) scale(1.2);
    }
    50% {
        opacity: 0.8;
        transform: translate(0, -50px) scale(1);
    }
    75% {
        opacity: 1;
        transform: translate(-30px, -30px) scale(1.2);
    }
}

@keyframes particlePulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-left: auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 3px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    color: var(--accent-color);
    font-size: 28px;
    filter: drop-shadow(0 0 10px var(--accent-glow));
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        filter: drop-shadow(0 0 10px var(--accent-glow));
    }
    50% {
        filter: drop-shadow(0 0 20px var(--accent-color));
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

/* 全屏轮播 - 特斯拉风格 */
.hero-slider {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: #000;
}

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

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    background: #000;
}

/* 产品图片容器 - 左侧占70% */
.slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 70%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transform: scale(1.05);
    transition: transform 8s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    opacity: 0;
    animation: imageLoad 1s ease forwards;
}

@keyframes imageLoad {
    to {
        opacity: 1;
    }
}

.slide.active .slide-image img {
    transform: scale(1);
}

/* 右侧内容区遮罩 - 深色半透明背景 */
.slide::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 32%;
    height: 100%;
    background: linear-gradient(-90deg, 
        rgba(0, 0, 0, 0.98) 0%, 
        rgba(0, 0, 0, 0.95) 60%, 
        rgba(0, 0, 0, 0.5) 100%);
    z-index: 2;
    pointer-events: none;
}

/* 左侧图片区遮罩 - 轻微暗化 */
.slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 70%;
    height: 100%;
    background: linear-gradient(-90deg, 
        rgba(0, 0, 0, 0.3) 0%, 
        rgba(0, 0, 0, 0.1) 50%, 
        transparent 100%);
    z-index: 2;
    pointer-events: none;
}

/* 聚光灯效果 - 集中在图片区域 */
.slide-spotlight {
    position: absolute;
    top: 0;
    left: 0;
    width: 70%;
    height: 100%;
    background: radial-gradient(ellipse at center, 
        rgba(0, 212, 255, 0.12) 0%, 
        rgba(0, 212, 255, 0.05) 40%, 
        transparent 80%);
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.slide.active .slide-spotlight {
    opacity: 1;
}

/* 布局样式2 - 图片在右，文字在左 */
.slide.layout-style2 {
    justify-content: flex-start;
}

.slide.layout-style2 .slide-image {
    left: auto;
    right: 0;
}

.slide.layout-style2 .slide-image img {
    object-position: center left;
}

.slide.layout-style2::before {
    right: auto;
    left: 0;
    background: linear-gradient(90deg, 
        rgba(0, 0, 0, 0.98) 0%, 
        rgba(0, 0, 0, 0.95) 60%, 
        rgba(0, 0, 0, 0.5) 100%);
}

.slide.layout-style2::after {
    left: auto;
    right: 0;
    background: linear-gradient(90deg, 
        rgba(0, 0, 0, 0.3) 0%, 
        rgba(0, 0, 0, 0.1) 50%, 
        transparent 100%);
}

.slide.layout-style2 .slide-spotlight {
    left: auto;
    right: 0;
}

.slide.layout-style2 .slide-content {
    right: auto;
    left: 0;
    animation: fadeInLeft 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translate(-30px, -50%);
    }
    to {
        opacity: 1;
        transform: translate(0, -50%);
    }
}

/* 布局样式3 - 全屏居中布局 */
.slide.layout-style3 {
    justify-content: center;
    align-items: flex-end;
}

.slide.layout-style3 .slide-image {
    width: 100%;
    height: 100%;
}

.slide.layout-style3 .slide-image img {
    object-position: center;
}

.slide.layout-style3::before {
    width: 100%;
    height: 50%;
    bottom: 0;
    top: auto;
    right: auto;
    left: 0;
    background: linear-gradient(0deg, 
        rgba(0, 0, 0, 0.98) 0%, 
        rgba(0, 0, 0, 0.85) 50%, 
        transparent 100%);
}

.slide.layout-style3::after {
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, 
        rgba(0, 0, 0, 0.4) 0%, 
        transparent 50%);
}

.slide.layout-style3 .slide-spotlight {
    width: 100%;
    height: 100%;
    left: 0;
    background: radial-gradient(ellipse at center bottom, 
        rgba(0, 212, 255, 0.15) 0%, 
        rgba(0, 212, 255, 0.05) 30%, 
        transparent 70%);
}

.slide.layout-style3 .slide-content {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    width: 100%;
    max-width: 900px;
    padding: 0 60px 80px;
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 布局样式4 - 分栏卡片式 */
.slide.layout-style4 {
    justify-content: center;
}

.slide.layout-style4 .slide-image {
    width: 50%;
    left: 5%;
    right: auto;
    border-radius: 20px;
    overflow: hidden;
    height: 80%;
    top: 10%;
}

.slide.layout-style4 .slide-image img {
    border-radius: 20px;
}

.slide.layout-style4::before {
    display: none;
}

.slide.layout-style4::after {
    width: 100%;
    background: radial-gradient(ellipse at center, 
        rgba(0, 0, 0, 0.3) 0%, 
        rgba(0, 0, 0, 0.5) 100%);
}

.slide.layout-style4 .slide-spotlight {
    width: 50%;
    left: 5%;
    background: radial-gradient(ellipse at center, 
        rgba(0, 212, 255, 0.2) 0%, 
        rgba(0, 212, 255, 0.08) 40%, 
        transparent 80%);
}

.slide.layout-style4 .slide-content {
    right: 5%;
    width: 38%;
    padding: 0 40px;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 60px 50px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    animation: slideInRight 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-sizing: border-box;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translate(50px, -50%);
    }
    to {
        opacity: 1;
        transform: translate(0, -50%);
    }
}

.slide-content {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    text-align: center;
    width: 30%;
    padding: 0 50px;
    box-sizing: border-box;
    animation: fadeInRight 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translate(30px, -50%);
    }
    to {
        opacity: 1;
        transform: translate(0, -50%);
    }
}

.slide-title {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -1px;
    line-height: 1.15;
    color: #fff;
    text-shadow: 0 2px 40px rgba(0, 0, 0, 0.8);
    animation: titleAppear 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes titleAppear {
    from {
        opacity: 0;
        transform: translateY(30px);
        letter-spacing: 3px;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        letter-spacing: -1px;
    }
}

.slide-title-en {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
    animation: fadeIn 1.8s ease;
}

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

.slide-subtitle {
    font-size: 24px;
    color: #fff;
    margin-bottom: 16px;
    font-weight: 400;
    letter-spacing: 0px;
    text-shadow: 0 2px 30px rgba(0, 0, 0, 0.8);
    animation: fadeIn 2s ease;
}

.slide-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 300;
    animation: fadeIn 2.2s ease;
}

/* CTA按钮组 */
.slide-cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeIn 2.5s ease;
}

.slide-cta {
    display: inline-block;
    padding: 12px 32px;
    background: rgba(255, 255, 255, 0.95);
    color: #000;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    text-transform: capitalize;
    letter-spacing: 0.5px;
}

.slide-cta:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
}

.slide-cta.secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.slide-cta.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* 轮播箭头 */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.slider-arrow:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-50%) scale(1.15);
    box-shadow: 0 0 30px var(--accent-glow);
}

.slider-arrow.prev {
    left: 40px;
}

.slider-arrow.next {
    right: 40px;
}

/* 轮播指示器 */
.slider-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.2);
}

.indicator.active {
    background: var(--accent-color);
    width: 36px;
    border-radius: 5px;
    box-shadow: 0 0 15px var(--accent-glow);
}

/* 滚动提示 */
.scroll-hint {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.scroll-icon {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-secondary);
    border-radius: 12px;
    position: relative;
}

.scroll-icon::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(16px);
    }
}

/* 特色区域 */
.features-section {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 20%, rgba(0, 212, 255, 0.04) 0%, transparent 60%),
                radial-gradient(circle at 50% 80%, rgba(0, 212, 255, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

.section-title {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 80px;
    letter-spacing: -1px;
}

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

.feature-card {
    background: var(--bg-card);
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.6s;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

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

/* 页面头部 */
.page-header {
    padding: 180px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, rgba(0, 212, 255, 0.05) 40%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: headerGlow 8s ease-in-out infinite;
}

@keyframes headerGlow {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(2px 2px at 90% 60%, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(1px 1px at 33% 80%, rgba(0, 212, 255, 0.3), transparent);
    background-size: 200% 200%;
    background-position: 0% 0%;
    animation: stars 20s linear infinite;
    pointer-events: none;
}

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

.page-title {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -2px;
    position: relative;
    z-index: 1;
}

.page-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

/* 新闻标签 */
.news-tabs {
    background: var(--bg-secondary);
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.news-tabs .container {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.tab-btn {
    padding: 12px 32px;
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

/* 新闻区域 */
.news-section {
    padding: 80px 0;
    background: var(--bg-primary);
    min-height: 60vh;
    position: relative;
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 40px;
}

.news-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    cursor: pointer;
    position: relative;
}

.news-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 212, 255, 0.05) 100%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

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

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
    border-color: var(--accent-color);
}

.news-image {
    width: 100%;
    height: 240px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: var(--text-secondary);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.news-content {
    padding: 30px;
}

.news-date {
    color: var(--accent-color);
    font-size: 14px;
    margin-bottom: 12px;
}

.news-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    line-height: 1.4;
}

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

/* ========== 新闻列表区域 ========== */
.news-list-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
}

.news-list-header {
    text-align: center;
    margin-bottom: 50px;
}

.news-list-header .section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent-color), #00ff9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    margin: 0 auto;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.news-list-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 28px 35px;
    background: rgba(17, 17, 17, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 20px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.news-list-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent-color), #00ff9d);
    opacity: 0;
    transition: var(--transition);
}

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

.news-list-item:hover {
    background: rgba(17, 17, 17, 0.8);
    border-color: var(--accent-color);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.15);
    transform: translateX(8px);
}

.news-list-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 75px;
    height: 75px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 255, 157, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    padding: 10px;
    transition: var(--transition);
}

.news-list-item:hover .news-list-date {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 255, 157, 0.2));
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.date-day {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

.date-month {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 500;
}

.news-list-content {
    flex: 1;
    min-width: 0;
}

.news-list-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
    transition: var(--transition);
}

.news-list-item:hover .news-list-title {
    color: var(--accent-color);
}

.news-list-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-list-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.1);
    color: var(--text-secondary);
    transition: var(--transition);
    flex-shrink: 0;
}

.news-list-item:hover .news-list-arrow {
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: translateX(5px);
}

/* ========== 分页器样式 ========== */
.pagination {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 25px;
}

.pagination-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.page-btn {
    min-width: 45px;
    height: 45px;
    padding: 0 16px;
    background: rgba(17, 17, 17, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover:not(.disabled) {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.page-btn.active {
    background: linear-gradient(135deg, var(--accent-color), #00ff9d);
    border-color: var(--accent-color);
    color: var(--bg-primary);
    font-weight: 700;
}

.page-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-ellipsis {
    color: var(--text-secondary);
    padding: 0 8px;
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-list-section {
        margin-top: 50px;
        padding-top: 40px;
    }
    
    .news-list-header .section-title {
        font-size: 28px;
    }
    
    .news-list-item {
        flex-direction: column;
        gap: 20px;
        padding: 24px;
        align-items: flex-start;
    }
    
    .news-list-date {
        min-width: 60px;
        height: 60px;
    }
    
    .date-day {
        font-size: 24px;
    }
    
    .news-list-title {
        font-size: 18px;
    }
    
    .news-list-excerpt {
        font-size: 13px;
    }
    
    .news-list-arrow {
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .news-list-item:hover .news-list-arrow {
        transform: translateY(-50%) translateX(5px);
    }
    
    .pagination-buttons {
        gap: 6px;
    }
    
    .page-btn {
        min-width: 40px;
        height: 40px;
        padding: 0 12px;
        font-size: 13px;
    }
}

/* 关于我们页面 */
.mission-section {
    padding: 80px 0;
    background: var(--bg-secondary);
    position: relative;
}

.mission-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 60px;
}

.mission-card {
    background: var(--bg-card);
    padding: 60px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.mission-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.mission-card h3 {
    font-size: 32px;
    margin-bottom: 24px;
    color: var(--accent-color);
}

.mission-card p {
    font-size: 18px;
    line-height: 2;
    color: var(--text-secondary);
}

/* 成就区域 */
.achievements-section {
    padding: 120px 0;
    background: var(--bg-primary);
    position: relative;
}

.achievements-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

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

.achievement-card {
    text-align: center;
    padding: 50px 30px;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.achievement-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.achievement-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.achievement-title {
    font-size: 18px;
    color: var(--text-secondary);
}

/* 价值观区域 */
.values-section {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.values-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 50%, rgba(0, 212, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.value-card h3 {
    font-size: 24px;
    color: var(--accent-color);
}

/* 信息区域 */
.info-section {
    padding: 120px 0;
    background: var(--bg-primary);
    position: relative;
}

.info-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.03) 0%, transparent 60%);
    pointer-events: none;
}

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

.info-card {
    background: var(--bg-card);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.info-card h3 {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.info-card p {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-color);
}

/* 加入我们区域 */
.join-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
    position: relative;
}

.join-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.join-section h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.join-section p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-button {
    padding: 18px 48px;
    background: var(--accent-color);
    color: var(--bg-primary);
    border: 2px solid var(--accent-color);
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.cta-button:hover {
    background: transparent;
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* 页脚 */
.footer {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-color) 50%, transparent 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--accent-color);
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

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

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

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

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    display: inline-block;
}

.footer-section ul li a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: var(--transition-fast);
    color: var(--accent-color);
}

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

.footer-section ul li a:hover::before {
    opacity: 1;
    left: -15px;
}

/* 联系我们区域的列表项样式（不是链接） */
.footer-section ul#footerContact li {
    color: var(--text-secondary);
    line-height: 1.8;
}

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

/* 文章详情页 */
.article-header {
    padding: 150px 0 60px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.article-header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, rgba(0, 212, 255, 0.05) 40%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: headerGlow 8s ease-in-out infinite;
}

.article-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 auto 25px;
    max-width: 900px;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
    text-align: center;
}

.article-meta-top {
    margin-bottom: 25px;
    text-align: center;
}

.article-category {
    display: inline-block;
    padding: 6px 18px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 255, 157, 0.2));
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-radius: 20px;
    color: var(--accent-color);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-meta-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 35px;
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: 14px;
}

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

.meta-item svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
    color: var(--accent-color);
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    position: relative;
    z-index: 2;
}

.article-category {
    color: var(--accent-color);
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 20px;
    border: 1px solid var(--accent-color);
}

.article-date {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.article-content {
    padding: 40px 0 80px;
    background: var(--bg-primary);
    position: relative;
}

.article-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.article-body {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
}

.article-body h2 {
    font-size: 32px;
    margin: 50px 0 25px;
    color: var(--accent-color);
}

.article-body h3 {
    font-size: 24px;
    margin: 40px 0 20px;
    color: var(--text-primary);
}

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

.article-body ul, .article-body ol {
    margin: 20px 0;
    padding-left: 30px;
}

.article-body li {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.article-body strong {
    color: #f5c563;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-shadow: 0 0 12px rgba(245, 197, 99, 0.15);
    transition: all 0.3s ease;
}

.article-body strong:hover {
    color: #f7d794;
    text-shadow: 0 0 16px rgba(245, 197, 99, 0.25);
}

/* 文章图片容器 */
.article-body .article-image {
    margin: 40px auto !important; /* 确保水平居中，即使有内联样式 */
    max-width: 900px;
    text-align: center;
    padding: 0 20px;
    display: block; /* 确保block元素 */
}

.article-body .article-image img {
    width: auto; /* 改为auto，让图片保持原始尺寸 */
    max-width: 100%; /* 但不超过容器宽度 */
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 212, 255, 0.2);
    display: block; /* block元素 */
    margin: 0 auto; /* 水平居中 */
}

.article-body .article-image img:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 12px 36px rgba(0, 212, 255, 0.25);
}

.article-body .article-image p {
    margin-top: 15px;
    color: #8a8a8a;
    font-size: 0.9em;
    font-style: italic;
    line-height: 1.6;
}

/* 直接插入的img（兼容旧格式） */
.article-body img:not(.article-image img) {
    max-width: 100%;
    border-radius: 15px;
    margin: 30px auto;
    border: 1px solid var(--border-color);
    display: block;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.article-body img:not(.article-image img):hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.2);
}

.article-body blockquote {
    margin: 30px 0;
    padding: 20px 30px;
    background: var(--bg-card);
    border-left: 4px solid var(--accent-color);
    border-radius: 10px;
}

/* 文章底部公司宣传语 */
.article-signature {
    margin: 60px auto 40px;
    max-width: 800px;
}

.article-signature .signature-divider {
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0, 212, 255, 0.3) 20%,
        rgba(0, 212, 255, 0.6) 50%,
        rgba(0, 212, 255, 0.3) 80%,
        transparent 100%
    );
    margin-bottom: 30px;
}

.article-signature .signature-content {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 30px;
    background: linear-gradient(
        135deg,
        rgba(0, 212, 255, 0.05) 0%,
        rgba(0, 212, 255, 0.02) 50%,
        rgba(0, 212, 255, 0.05) 100%
    );
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.article-signature .signature-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 212, 255, 0.1),
        transparent
    );
    animation: signature-shine 3s infinite;
}

@keyframes signature-shine {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 100%;
    }
}

.article-signature .signature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.article-signature .signature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--accent-color);
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
}

.article-signature .signature-text {
    flex: 1;
}

.article-signature .signature-line1 {
    font-size: 0.95em;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.article-signature .signature-line2 {
    font-size: 1.05em;
    color: var(--accent-color);
    font-weight: 500;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.article-actions {
    margin: 60px 0 0;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 2;
}

.btn-back {
    display: inline-block;
    padding: 12px 32px;
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.btn-back:hover {
    border-color: var(--accent-color);
    background: rgba(0, 212, 255, 0.1);
    transform: translateX(-5px);
}

.related-articles {
    margin: 80px 0 0;
    position: relative;
    z-index: 2;
}

.related-articles h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--accent-color);
}

.related-grid {
    display: grid;
    gap: 20px;
}

.related-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    display: block;
    cursor: pointer;
}

.related-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.related-date {
    color: var(--accent-color);
    font-size: 14px;
    margin-bottom: 10px;
}

.related-card h4 {
    font-size: 20px;
    margin-bottom: 10px;
}

.related-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* 产品详情页 */
.product-header {
    padding: 180px 0 80px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.product-header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, rgba(0, 212, 255, 0.05) 40%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: headerGlow 8s ease-in-out infinite;
}

.product-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

.product-title-en {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.8;
    position: relative;
    z-index: 2;
}

.product-subtitle {
    font-size: 24px;
    color: var(--accent-color);
    position: relative;
    z-index: 2;
}

.product-content {
    padding: 80px 0;
    background: var(--bg-primary);
    position: relative;
}

.product-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(0, 212, 255, 0.02) 0%, transparent 50%),
                radial-gradient(circle at 30% 70%, rgba(0, 212, 255, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.product-intro {
    margin-bottom: 100px;
    position: relative;
    z-index: 2;
}

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

.intro-image {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 80px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.intro-image:hover {
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
}

.product-placeholder {
    font-size: 120px;
}

.intro-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.intro-text p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.product-features,
.product-specs,
.product-scenarios {
    margin-bottom: 100px;
    position: relative;
    z-index: 2;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.spec-item {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.spec-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.spec-label {
    color: var(--text-secondary);
    font-size: 16px;
}

.spec-value {
    color: var(--accent-color);
    font-size: 20px;
    font-weight: 600;
}

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

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

.scenario-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
}

.scenario-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--accent-color);
}

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

.product-cta {
    text-align: center;
    padding: 80px 40px;
    background: var(--bg-card);
    border-radius: 30px;
    border: 1px solid var(--border-color);
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.product-cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.product-cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

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

.cta-button {
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid;
}

.cta-button.primary {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

.cta-button.primary:hover {
    background: transparent;
    color: var(--accent-color);
    transform: translateY(-3px);
}

.cta-button.secondary {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.cta-button.secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-3px);
}

/* ==================== AI聊天助手 ==================== */

/* AI助手按钮 */
.ai-chat-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.ai-chat-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ai-chat-btn:hover::before {
    width: 300px;
    height: 300px;
}

.ai-chat-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.ai-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
    position: relative;
    z-index: 1;
}

/* AI聊天Widget */
.ai-chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 480px;
    height: 700px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.8),
        0 0 40px rgba(0, 212, 255, 0.1);
    display: flex;
    flex-direction: column;
    transform: translateY(800px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    overflow: hidden;
}

.ai-chat-widget.active {
    transform: translateY(0);
}

/* 聊天头部 */
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    background: rgba(0, 212, 255, 0.05);
}

.chat-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
}

.chat-icon {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
}

.chat-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    padding: 0;
}

.chat-close svg {
    width: 20px;
    height: 20px;
}

.chat-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* 消息区域 */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* 消息样式 */
.chat-message {
    display: flex;
    gap: 10px;
    animation: fadeInUp 0.3s ease-out;
}

.message-avatar {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.message-avatar svg {
    width: 18px;
    height: 18px;
    color: var(--accent-color);
}

.message-content {
    background: rgba(255, 255, 255, 0.05);
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 75%;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.message-content p {
    margin: 0;
}

.message-content p + p {
    margin-top: 8px;
}

/* 用户消息 */
.user-message {
    flex-direction: row-reverse;
}

.user-message .message-avatar {
    background: rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.4);
}

.user-message .message-content {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.3);
}

/* 加载动画 */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* 输入区域 */
.chat-input-container {
    display: flex;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    background: rgba(0, 0, 0, 0.3);
}

.chat-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition-fast);
}

.chat-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.chat-input::placeholder {
    color: var(--text-tertiary);
}

.chat-send {
    background: var(--accent-color);
    border: none;
    border-radius: 12px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.chat-send svg {
    width: 20px;
    height: 20px;
    color: var(--bg-primary);
}

.chat-send:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.chat-send:active {
    transform: scale(0.95);
}

.chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== 产品对话窗口 ==================== */

.product-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    backdrop-filter: blur(15px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.product-dialog-overlay.active {
    opacity: 1;
    visibility: visible;
}

.product-dialog {
    width: 95%;
    max-width: 1400px;
    height: 90vh;
    max-height: 900px;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(40px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 24px;
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.9),
        0 0 60px rgba(0, 212, 255, 0.2);
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-dialog-overlay.active .product-dialog {
    transform: scale(1);
}

.product-dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 30px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(0, 212, 255, 0.02) 100%);
}

.product-dialog-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.product-dialog-title svg {
    width: 28px;
    height: 28px;
    color: var(--accent-color);
}

.product-dialog-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    padding: 0;
}

.product-dialog-close svg {
    width: 22px;
    height: 22px;
}

.product-dialog-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.product-dialog-messages {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-dialog-messages::-webkit-scrollbar {
    width: 8px;
}

.product-dialog-messages::-webkit-scrollbar-track {
    background: transparent;
}

.product-dialog-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 4px;
}

.product-dialog-messages::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.dialog-message {
    display: flex;
    gap: 12px;
    animation: fadeInUp 0.3s ease-out;
}

.dialog-avatar {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.dialog-avatar svg {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
}

.dialog-content {
    background: rgba(255, 255, 255, 0.06);
    padding: 14px 18px;
    border-radius: 14px;
    max-width: 75%;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dialog-content p {
    margin: 0;
}

.dialog-content p + p {
    margin-top: 10px;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .dialog-avatar {
    background: rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.4);
}

.user-message .dialog-content {
    background: rgba(0, 212, 255, 0.18);
    border-color: rgba(0, 212, 255, 0.35);
}

.product-dialog-input-container {
    display: flex;
    gap: 12px;
    padding: 24px 30px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    background: rgba(0, 0, 0, 0.4);
}

.product-dialog-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 14px;
    padding: 14px 20px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: var(--transition-fast);
}

.product-dialog-input:focus {
    background: rgba(255, 255, 255, 0.09);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}

.product-dialog-input::placeholder {
    color: var(--text-tertiary);
}

.product-dialog-send {
    background: var(--accent-color);
    border: none;
    border-radius: 14px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.product-dialog-send svg {
    width: 22px;
    height: 22px;
    color: var(--bg-primary);
}

.product-dialog-send:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.product-dialog-send:active {
    transform: scale(0.95);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .slide-image {
        width: 60%;
    }
    
    .slide::before {
        width: 42%;
    }
    
    .slide-content {
        width: 40%;
        padding: 0 40px;
    }
    
    .slide-title {
        font-size: 44px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    /* 移动端改为上下布局 */
    .slide-image {
        width: 100%;
        height: 55%;
        top: 0;
        right: 0;
    }
    
    .slide::before {
        width: 100%;
        height: 50%;
        bottom: 0;
        top: auto;
        background: linear-gradient(180deg, 
            transparent 0%, 
            rgba(0, 0, 0, 0.9) 60%, 
            rgba(0, 0, 0, 0.98) 100%);
    }
    
    .slide::after {
        width: 100%;
        height: 55%;
        top: 0;
        right: 0;
        background: linear-gradient(180deg, 
            rgba(0, 0, 0, 0.5) 0%, 
            transparent 40%);
    }
    
    .slide-spotlight {
        width: 100%;
        height: 55%;
    }
    
    .slide-content {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 60px;
        top: auto;
        transform: none;
        text-align: center;
        max-width: 100%;
        padding: 0 30px;
    }
    
    .slide-title {
        font-size: 36px;
    }
    
    .slide-cta-group {
        justify-content: center;
    }

    .nav-container {
        padding: 15px 20px;
    }

    .nav-menu {
        gap: 20px;
    }

    .slide-title {
        font-size: 42px;
    }

    .slide-subtitle {
        font-size: 20px;
    }

    .slide-description {
        font-size: 16px;
    }

    .page-title {
        font-size: 42px;
    }

    .section-title {
        font-size: 36px;
    }

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

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

    .slider-arrow {
        width: 40px;
        height: 40px;
    }

    .slider-arrow.prev {
        left: 20px;
    }

    .slider-arrow.next {
        right: 20px;
    }
}

/* ==================== 联系表单样式 ==================== */

.contact-form-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-form-overlay.active {
    opacity: 1;
}

.contact-form-dialog {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.contact-form-overlay.active .contact-form-dialog {
    transform: scale(1);
}

.contact-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}

.contact-form-header h3 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    color: var(--accent-color);
}

.contact-form-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.contact-form-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
}

.contact-form-body {
    padding: 30px;
    overflow-y: auto;
    flex: 1;
}

.contact-form-body::-webkit-scrollbar {
    width: 8px;
}

.contact-form-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.contact-form-body::-webkit-scrollbar-thumb {
    background: rgba(var(--accent-rgb), 0.5);
    border-radius: 4px;
}

.contact-form-body::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.form-group label .required {
    color: var(--accent-color);
    margin-left: 2px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.form-actions button {
    padding: 12px 30px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.btn-submit {
    background: linear-gradient(135deg, var(--accent-color) 0%, #0088ff 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.4);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

@media (max-width: 768px) {
    .contact-form-dialog {
        width: 95%;
        max-height: 95vh;
    }
    
    .contact-form-header {
        padding: 20px;
    }
    
    .contact-form-body {
        padding: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions button {
        width: 100%;
    }
}

/* ==================== Mermaid图表放大模态框 ==================== */
.mermaid-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.mermaid-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
}

.mermaid-modal-content {
    position: relative;
    width: 95vw;
    height: 90vh;
    background: var(--bg-primary);
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mermaid-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1;
}

.mermaid-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.mermaid-modal-body {
    flex: 1;
    overflow: auto;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mermaid-modal-body svg {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

/* Mermaid图表样式优化 */
.mermaid {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 20px;
    margin: 30px 0;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mermaid:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.01);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Gantt图X轴日期标签倾斜显示（避免重叠） */
.mermaid svg g.x.axis .tick text {
    transform: rotate(-45deg);
    transform-origin: right center;
    text-anchor: end;
}

/* ==================== Chart.js图表样式优化 ==================== */
.chart-container {
    background: linear-gradient(135deg, rgba(0, 136, 255, 0.03) 0%, rgba(108, 92, 231, 0.03) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.chart-container:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    transform: translateY(-5px);
}

.chart-container canvas {
    max-width: 100%;
    height: auto !important;
}

/* Chart.js全局样式覆盖 */
.chart-container canvas {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* 响应式适配 - 模态框 */
@media (max-width: 768px) {
    .mermaid-modal-content {
        width: 98vw;
        height: 95vh;
        border-radius: 15px;
    }
    
    .mermaid-modal-body {
        padding: 20px;
    }
    
    .mermaid-modal-close {
        top: 10px;
        right: 10px;
        width: 36px;
        height: 36px;
        font-size: 20px;
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}