/* 光伏晶硅电池片印后AOI检测与分拣单元 - 能源订单班橙黄太阳能设计系统 */

/* ========== 设计变量 ========== */
:root {
    /* 科技蓝主题 - 能源光伏风格 */
    --bg-dark: #ffffff;              /* 纯白背景 */
    --bg-semi-dark: rgba(255, 255, 255, 0.95);  /* 半透明白 */
    --bg-overlay: rgba(255, 255, 255, 0.85);    /* 白色遮罩 */
    --bg-card: rgba(255, 255, 255, 0.9);        /* 卡片背景 */
    --primary-dark: #0d47a1;         /* 主色深蓝 */
    --primary-blue: #1976d2;         /* 主色蓝 - 科技专业 */
    --accent-cyan: #00bcd4;          /* 青色强调 - 能源主题 */
    --accent-cyan-light: #4dd0e1;    /* 浅青色 */
    --text-light: #212121;           /* 深色文字 */
    --text-gray: #616161;            /* 灰色文字 */
    --border-light: rgba(25, 118, 210, 0.2);  /* 蓝色边框 */
    --hover-bg: rgba(0, 188, 212, 0.15);     /* 悬停背景 */
    --active-bg: rgba(25, 118, 210, 0.2);     /* 激活背景 */

    /* 间距系统 - 紧凑布局 */
    --spacing-xs: 0.5rem;     /* 8px */
    --spacing-sm: 0.75rem;    /* 12px */
    --spacing-md: 1.25rem;    /* 20px */
    --spacing-lg: 2rem;       /* 32px */
    --spacing-xl: 2.5rem;     /* 40px */
    --spacing-2xl: 3rem;      /* 48px */
    --spacing-3xl: 4rem;      /* 64px */

    /* 字体系统 */
    --font-primary: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Inter', sans-serif;

    /* 字体大小 - 针对大屏幕优化 */
    --text-xs: 0.875rem;      /* 14px */
    --text-sm: 1rem;          /* 16px */
    --text-base: 1.125rem;    /* 18px */
    --text-lg: 1.375rem;      /* 22px */
    --text-xl: 1.625rem;      /* 26px */
    --text-2xl: 2rem;         /* 32px */
    --text-3xl: 2.5rem;       /* 40px */
    --text-4xl: 3rem;         /* 48px */
    --text-5xl: 4rem;         /* 64px */

    /* 字重 */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* 圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* 阴影 - 轻盈专业主题 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-xl: 0 8px 16px rgba(0,0,0,0.12);
    --shadow-blue: 0 2px 8px rgba(25, 118, 210, 0.15);

    /* 过渡 */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* 布局 */
    --container-max: 1600px;  /* 增加最大宽度适配1920屏幕 */
}

/* ========== 深色主题 - 深邃科技蓝配色 ========== */
body.dark-theme {
    --bg-dark: #0a1929;                      /* 深邃蓝黑背景 */
    --bg-semi-dark: rgba(10, 25, 41, 0.95);  /* 深蓝半透明 */
    --bg-overlay: rgba(13, 47, 161, 0.85);   /* 深蓝遮罩层 */
    --bg-card: rgba(25, 118, 210, 0.9);      /* 深蓝卡片背景 */
    --primary-dark: #0d47a1;                 /* 深邃蓝 */
    --primary-blue: #42a5f5;                 /* 明亮蓝 */
    --accent-cyan: #4dd0e1;                  /* 亮青色 */
    --accent-cyan-light: #80deea;            /* 超亮青色 */
    --text-light: #e3f2fd;                   /* 浅色文字 */
    --text-gray: #b3e5fc;                    /* 灰色文字 */
    --border-light: rgba(66, 165, 245, 0.25); /* 蓝色边框 */
    --hover-bg: rgba(0, 188, 212, 0.15);     /* 悬停背景 */
    --active-bg: rgba(66, 165, 245, 0.2);    /* 激活背景 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.5);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.6);
    --shadow-xl: 0 8px 16px rgba(0,0,0,0.7);
    --shadow-blue: 0 2px 8px rgba(25, 118, 210, 0.25);
}

/* ========== 重置样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

/* ========== Hero 区域 - 全屏图片背景 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.95) 100%),
        url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}

/* Hero SVG背景动画 */
.hero-bg-svg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
}

.floating-circle {
    animation: float 20s ease-in-out infinite;
}

.floating-circle:nth-child(2) {
    animation-delay: -5s;
    animation-duration: 25s;
}

.floating-circle:nth-child(3) {
    animation-delay: -10s;
    animation-duration: 18s;
}

.floating-circle:nth-child(4) {
    animation-delay: -15s;
    animation-duration: 22s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-20px, 40px) scale(0.9);
        opacity: 0.4;
    }
    75% {
        transform: translate(40px, 20px) scale(1.05);
        opacity: 0.6;
    }
}

/* 深色主题下的Hero渐变 */
body.dark-theme .hero {
    background:
        linear-gradient(135deg, rgba(10, 25, 41, 0.9) 0%, rgba(13, 71, 161, 0.8) 100%),
        url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(25, 118, 210, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(13, 71, 161, 0.05) 0%, transparent 50%);
    pointer-events: none;
    animation: glow 8s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.hero-content {
    text-align: center;
    color: var(--text-light);
    z-index: 1;
    position: relative;
    padding: var(--spacing-xl);
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background: rgba(25, 118, 210, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-full);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xl);
    border: 3px solid var(--primary-blue);
    box-shadow: var(--shadow-blue);
    text-transform: uppercase;
    transition: all var(--transition-base);
}

.hero-badge:hover {
    background: rgba(25, 118, 210, 0.25);
    transform: translateY(-2px);
}

.hero-title {
    font-size: clamp(3.5rem, 10vw, 6.5rem);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--accent-cyan-light);
    text-shadow: 0 6px 30px rgba(0,0,0,0.8), 0 0 60px rgba(25, 118, 210, 0.4);
}

.hero-subtitle {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: var(--font-light);
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
    color: var(--text-light);
}

.hero-description {
    font-size: var(--text-xl);
    opacity: 0.85;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.8;
}

/* Hero浮动卡片 */
.hero-floating-cards {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    flex-wrap: nowrap;  /* 强制并排显示 */
}

.hero-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-md) var(--spacing-lg);  /* 紧凑但不过分 */
    border-radius: var(--radius-lg);  /* 优雅的圆角 */
    border: 1px solid var(--border-light);  /* 更细的边框 */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);  /* 轻柔的阴影 */
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);  /* 弹性缓动 */
    min-width: 120px;  /* 合适的最小宽度 */
    animation: fadeInUp 0.8s ease forwards;
}

.hero-card:nth-child(1) { animation-delay: 0.2s; opacity: 0; }
.hero-card:nth-child(2) { animation-delay: 0.4s; opacity: 0; }
.hero-card:nth-child(3) { animation-delay: 0.6s; opacity: 0; }

.hero-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 8px 24px rgba(25, 118, 210, 0.15),
                0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.hero-card-value {
    font-size: var(--text-lg);  /* 从xl进一步缩小为lg,更精致 */
    font-weight: var(--font-bold);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 1px 4px rgba(25, 118, 210, 0.2);  /* 减小阴影 */
    letter-spacing: -0.01em;  /* 减小字间距 */
}

.hero-card-label {
    font-size: 0.7rem;  /* 比xs更小,约11.2px */
    color: var(--text-gray);
    font-weight: var(--font-medium);
    text-transform: uppercase;  /* 大写字母更精致 */
    letter-spacing: 0.08em;  /* 增加字间距,更精致 */
    opacity: 0.85;  /* 添加透明度 */
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-blue);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 10;
}

.scroll-indicator i {
    width: 32px !important;
    height: 32px !important;
}

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

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

/* ========== 导航 - 深色玻璃态 ========== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-semi-dark);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: 0 var(--spacing-md);
}

.nav-item {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-overlay);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    font-weight: var(--font-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-gray);
}

.nav-item i {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.nav-item span {
    font-size: var(--text-base);
}

.nav-item:hover {
    background: var(--hover-bg);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

.nav-item.active {
    background: var(--active-bg);
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-blue);
}

/* ========== 内容区块 - 图片背景 ========== */
.section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-dark);
    position: relative;
}

/* 浅色图片背景 - 每个区块使用不同图片 */
.section:nth-child(1) {
    background-image:
        linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.95) 100%),
        url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section:nth-child(2) {
    background-image:
        linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.95) 100%),
        url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section:nth-child(3) {
    background-image:
        linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.95) 100%),
        url('https://images.unsplash.com/photo-1563207153-f403bf289096?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section:nth-child(4) {
    background-image:
        linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.95) 100%),
        url('https://images.unsplash.com/photo-1581092160562-40aa08e78837?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* 通用奇偶区块(当超过4个section时) */
.section:nth-child(n+5):nth-child(odd) {
    background-image:
        linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.95) 100%),
        url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section:nth-child(n+5):nth-child(even) {
    background-image:
        linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.95) 100%),
        url('https://images.unsplash.com/photo-1581092160607-ee67be8e3b13?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* 深色主题下的区块背景 - 每个区块使用对应图片 */
body.dark-theme .section:nth-child(1) {
    background-image:
        linear-gradient(to bottom, rgba(10, 25, 41, 0.92) 0%, rgba(13, 71, 161, 0.88) 100%),
        url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

body.dark-theme .section:nth-child(2) {
    background-image:
        linear-gradient(to bottom, rgba(13, 71, 161, 0.90) 0%, rgba(10, 25, 41, 0.88) 100%),
        url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

body.dark-theme .section:nth-child(3) {
    background-image:
        linear-gradient(to bottom, rgba(10, 25, 41, 0.92) 0%, rgba(13, 71, 161, 0.88) 100%),
        url('https://images.unsplash.com/photo-1563207153-f403bf289096?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

body.dark-theme .section:nth-child(4) {
    background-image:
        linear-gradient(to bottom, rgba(13, 71, 161, 0.90) 0%, rgba(10, 25, 41, 0.88) 100%),
        url('https://images.unsplash.com/photo-1581092160562-40aa08e78837?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* 通用奇偶区块(当超过4个section时) */
body.dark-theme .section:nth-child(n+5):nth-child(odd) {
    background-image:
        linear-gradient(to bottom, rgba(10, 25, 41, 0.92) 0%, rgba(13, 71, 161, 0.88) 100%),
        url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

body.dark-theme .section:nth-child(n+5):nth-child(even) {
    background-image:
        linear-gradient(to bottom, rgba(13, 71, 161, 0.90) 0%, rgba(10, 25, 41, 0.88) 100%),
        url('https://images.unsplash.com/photo-1581092160607-ee67be8e3b13?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* 深色主题下的特定元素调整 */
body.dark-theme .stat-item {
    background: rgba(25, 118, 210, 0.8);
    backdrop-filter: blur(5px);
}

body.dark-theme .stat-item:hover {
    background: rgba(0, 188, 212, 0.15);
    border-color: var(--primary-blue);
}

body.dark-theme .stat-value {
    color: var(--accent-cyan-light);
}

body.dark-theme th {
    background: rgba(0, 188, 212, 0.12);
    color: var(--accent-cyan-light);
}

body.dark-theme tr:hover {
    background: rgba(0, 188, 212, 0.08);
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.agent-avatar {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-xl);
    object-fit: cover;
    border: 3px solid var(--primary-blue);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.agent-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-cyan);
}

.agent-info {
    flex: 1;
}

.agent-name {
    font-size: var(--text-lg);
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-semibold);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--text-light);
    letter-spacing: -0.01em;
    text-shadow: none;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 180px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), transparent);
    border-radius: 2px;
}

.section-content {
    max-width: 100%;
    margin: 0 auto;
}

.expert-intro {
    background: var(--bg-card);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.expert-intro h3 {
    font-size: var(--text-2xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.expert-intro p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: var(--text-lg);
}

/* ========== 网格布局 - 针对大屏幕优化,更大气的布局 ========== */
.grid {
    display: grid;
    gap: var(--spacing-2xl);
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);  /* 3列并排布局,避免2x2 */
}

.grid-4 {
    grid-template-columns: repeat(3, 1fr);
}

/* ========== 左右交替图文布局 ========== */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin: var(--spacing-2xl) 0;
}

.split-layout-reverse {
    direction: rtl;
}

.split-layout-reverse > * {
    direction: ltr;
}

.split-layout-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
}

.split-layout-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-blue);
}

.split-layout-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.split-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.3), transparent);
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: var(--spacing-lg);
}

.split-badge {
    background: var(--primary-blue);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: var(--font-bold);
    font-size: var(--text-base);
    box-shadow: var(--shadow-lg);
}

.split-layout-content {
    background: var(--bg-card);
    backdrop-filter: blur(15px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-lg);
}

.split-title {
    font-size: var(--text-2xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.split-title i {
    width: 32px !important;
    height: 32px !important;
}

@media (max-width: 1024px) {
    .split-layout,
    .split-layout-reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .split-layout-image {
        order: 1;
    }

    .split-layout-content {
        order: 2;
    }
}

/* ========== 全宽视觉分隔区 ========== */
.visual-divider {
    height: 400px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.visual-divider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        rgba(10, 25, 41, 0.85) 0%,
        rgba(13, 71, 161, 0.7) 100%
    );
    backdrop-filter: blur(2px);
}

body:not(.dark-theme) .visual-divider::before {
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.85) 0%,
        rgba(255, 255, 255, 0.9) 100%
    );
}

.divider-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-light);
    animation: fadeInUp 1s ease;
}

.divider-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--primary-blue);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(25, 118, 210, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

.divider-icon i {
    width: 40px !important;
    height: 40px !important;
    color: var(--primary-blue);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-xl), 0 0 30px rgba(25, 118, 210, 0.5);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-xl), 0 0 50px rgba(25, 118, 210, 0.8);
    }
}

.divider-content h3 {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.divider-content p {
    font-size: var(--text-xl);
    opacity: 0.95;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

@media (max-width: 768px) {
    .visual-divider {
        height: 300px;
        background-attachment: scroll;
    }

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

    .divider-icon i {
        width: 30px !important;
        height: 30px !important;
    }

    .divider-content h3 {
        font-size: var(--text-2xl);
    }

    .divider-content p {
        font-size: var(--text-base);
    }
}

/* ========== Timeline时间轴布局 ========== */
.timeline-container {
    margin: var(--spacing-2xl) 0;
}

.timeline-title {
    font-size: var(--text-3xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-2xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
    justify-content: center;
}

.timeline-title i {
    width: 40px !important;
    height: 40px !important;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

/* 时间轴中心线 */
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom,
        transparent,
        var(--primary-blue) 10%,
        var(--primary-blue) 90%,
        transparent
    );
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
}

.timeline-item:nth-child(odd) {
    justify-content: flex-start;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 4px solid var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: var(--shadow-lg), 0 0 0 8px var(--bg-dark);
    transition: all var(--transition-base);
}

.timeline-marker i {
    width: 28px !important;
    height: 28px !important;
    color: var(--primary-blue);
}

.timeline-item:hover .timeline-marker {
    transform: translateX(-50%) scale(1.1);
    box-shadow: var(--shadow-xl), 0 0 0 12px var(--bg-dark), var(--shadow-blue);
}

.timeline-content {
    width: calc(50% - 60px);
    background: var(--bg-card);
    backdrop-filter: blur(15px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: calc(50% + 40px);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 40px);
}

.timeline-content:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-blue);
    border-color: var(--primary-blue);
}

.timeline-step {
    font-size: var(--text-sm);
    color: var(--primary-blue);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    font-size: var(--text-xl);
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-semibold);
}

.timeline-content p {
    color: var(--text-gray);
    font-size: var(--text-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.timeline-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--active-bg);
    color: var(--primary-blue);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        justify-content: flex-end !important;
    }

    .timeline-marker {
        left: 30px;
    }

    .timeline-content {
        width: calc(100% - 100px);
        margin-left: 100px !important;
        margin-right: 0 !important;
    }
}

/* ========== Bento Grid布局 - 3列等宽并排布局 ========== */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.bento-large,
.bento-medium,
.bento-small {
    grid-column: span 1;
    grid-row: span 1;
}

/* Bento Grid响应式 */
@media (max-width: 1200px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* ========== 卡片 - 图片优先布局 ========== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 2px solid var(--border-light);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    padding: 0;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-blue);
    border-color: var(--primary-blue);
}

.card-header {
    padding: var(--spacing-xl);
    background: var(--bg-semi-dark);
    border-bottom: 2px solid var(--border-light);
    order: 2;
}

.card-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.card-body {
    padding: var(--spacing-xl);
    order: 3;
    flex: 1;
}

/* ========== 图片容器 - 突出展示 - 超大气布局 ========== */
.image-container {
    width: 100%;
    aspect-ratio: 3/2;
    overflow: hidden;
    border-radius: 0;
    margin-bottom: 0;
    background: rgba(0,0,0,0.5);
    position: relative;
    box-shadow: none;
    border: none;
    transition: all var(--transition-base);
    order: 1;
    flex-shrink: 0;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    filter: brightness(0.9);
}

.image-container:hover img {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: var(--text-light);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-align: center;
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.image-container:hover .image-caption {
    transform: translateY(0);
}

/* ========== 列表 ========== */
.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-gray);
    transition: all var(--transition-fast);
}

.feature-list li:hover {
    color: var(--primary-blue);
    padding-left: var(--spacing-sm);
}

.feature-list li:last-child {
    border-bottom: none;
}

/* ========== 统计数据 ========== */
.stats {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-overlay);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.stat-item {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid transparent;
    transition: all var(--transition-base);
}

.stat-item:hover {
    background: var(--hover-bg);
    transform: translateY(-4px);
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-gray);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary-blue);
    text-shadow: none;
}

/* ========== 增强数据可视化 - 精致四列布局 ========== */
.stats-enhanced {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.6) 0%,
        rgba(255, 255, 255, 0.4) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-xl);
}

body.dark-theme .stats-enhanced {
    background: linear-gradient(135deg,
        rgba(10, 25, 41, 0.6) 0%,
        rgba(13, 71, 161, 0.4) 100%);
}

.stat-circle-item {
    text-align: center;
    transition: all var(--transition-base);
}

.stat-circle-item:hover {
    transform: translateY(-8px);
}

.circle-progress {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto var(--spacing-md);
}

.circle-progress svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.circle-bg,
.circle-fill {
    fill: none;
    stroke-width: 8;
}

.circle-bg {
    stroke: var(--border-light);
}

.circle-fill {
    stroke: var(--primary-blue);
    stroke-linecap: round;
    stroke-dasharray: 326.73; /* 2 * π * r = 2 * π * 52 */
    stroke-dashoffset: calc(326.73 * (1 - var(--progress, 0) / 100));
    transition: stroke-dashoffset 2s cubic-bezier(0.16, 1, 0.3, 1);
    filter: drop-shadow(0 0 8px rgba(25, 118, 210, 0.5));
}

.circle-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.circle-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.circle-unit {
    font-size: var(--text-sm);
    color: var(--text-gray);
    font-weight: var(--font-medium);
}

.stat-circle-item .stat-label {
    font-size: var(--text-base);
    color: var(--text-light);
    font-weight: var(--font-semibold);
}

@media (max-width: 1200px) {
    .stats-enhanced {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .stats-enhanced {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }

    .circle-progress {
        width: 120px;
        height: 120px;
    }

    .circle-value {
        font-size: var(--text-2xl);
    }
}

@media (max-width: 480px) {
    .stats-enhanced {
        grid-template-columns: 1fr;
    }
}

/* ========== 现代化统计卡片 - 优化版 ========== */
.stat-modern-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 255, 255, 0.8) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--border-light);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-md);
    gap: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.stat-modern-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(25, 118, 210, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-modern-item:hover::before {
    opacity: 1;
}

.stat-modern-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 12px 32px rgba(25, 118, 210, 0.2),
                0 6px 16px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.stat-icon-wrapper {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.stat-icon-wrapper::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: inherit;
    opacity: 0.3;
    filter: blur(12px);
    z-index: -1;
    transition: all var(--transition-base);
}

.stat-modern-item:hover .stat-icon-wrapper {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.stat-modern-item:hover .stat-icon-wrapper::after {
    opacity: 0.5;
    filter: blur(16px);
}

.stat-modern-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-light);
    line-height: 1;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

body.dark-theme .stat-modern-value {
    color: var(--accent-cyan-light);
    text-shadow: 0 2px 12px rgba(77, 208, 225, 0.3);
}

body.dark-theme .stat-modern-item {
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.15) 0%, rgba(13, 71, 161, 0.1) 100%);
}

.stat-modern-unit {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-gray);
    margin-left: var(--spacing-xs);
    opacity: 0.75;
}

.stat-modern-label {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .stat-modern-item {
        padding: var(--spacing-lg);
        gap: var(--spacing-sm);
    }

    .stat-icon-wrapper {
        width: 60px;
        height: 60px;
    }

    .stat-modern-value {
        font-size: var(--text-2xl);
    }

    .stat-modern-unit {
        font-size: var(--text-base);
    }

    .stat-modern-label {
        font-size: var(--text-sm);
    }
}

/* ========== 表格 ========== */
.table-container {
    overflow-x: auto;
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

th {
    background: var(--active-bg);
    color: var(--primary-blue);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: var(--font-semibold);
    border-bottom: 2px solid var(--primary-blue);
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-gray);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background: var(--hover-bg);
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
    .hero-floating-cards {
        gap: var(--spacing-md);
    }

    .hero-card {
        min-width: 140px;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .hero-card-value {
        font-size: var(--text-2xl);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }

    .hero {
        background-attachment: scroll;
        min-height: 90vh;
    }

    .hero-bg-svg {
        display: none; /* 移动端隐藏SVG背景 */
    }

    .section:nth-child(odd),
    .section:nth-child(even) {
        background-attachment: scroll;
    }

    .hero-content {
        padding: var(--spacing-lg);
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .hero-subtitle {
        font-size: clamp(1.2rem, 4vw, 1.8rem);
    }

    .hero-description {
        font-size: var(--text-base);
    }

    .hero-floating-cards {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero-card {
        width: 100%;
        min-width: auto;
    }

    .scroll-indicator {
        bottom: 20px;
    }

    .nav-container {
        gap: var(--spacing-xs);
    }

    .nav-item {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--text-sm);
    }

    .nav-item span {
        display: none; /* 移动端只显示图标 */
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        text-align: center;
    }

    .agent-avatar {
        width: 80px;
        height: 80px;
    }

    .stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .stat-item {
        padding: var(--spacing-sm);
    }

    .stat-value {
        font-size: var(--text-xl);
    }

    table {
        font-size: var(--text-sm);
    }

    th, td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-badge {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--text-base);
    }

    .hero-card {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .hero-card-value {
        font-size: var(--text-xl);
    }

    .section-title {
        font-size: var(--text-2xl);
    }

    .card-title {
        font-size: var(--text-lg);
    }

    .expert-intro h3 {
        font-size: var(--text-lg);
    }
}

/* ========== 动画 ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.slide-in {
    animation: slideIn 0.6s ease forwards;
}

/* ========== 滚动触发动画 ========== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* 卡片渐次出现 */
.card.scroll-reveal {
    transition-delay: calc(var(--card-index, 0) * 0.1s);
}

/* 增强卡片悬停效果 */
.card {
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(25, 118, 210, 0.1));
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: var(--radius-2xl);
    pointer-events: none;
    z-index: 1;
}

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

/* 数据统计项动画 */
.stat-item {
    position: relative;
    overflow: hidden;
}

.stat-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(25, 118, 210, 0.2), transparent);
    transition: left 0.5s ease;
}

.stat-item:hover::after {
    left: 100%;
}

/* ========== 微交互动画细节 ========== */

/* 按钮点击涟漪效果 */
.nav-item,
.hero-badge,
.timeline-marker {
    position: relative;
    overflow: hidden;
}

.nav-item::after,
.hero-badge::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: radial-gradient(circle, rgba(25, 118, 210, 0.3), transparent);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.5s ease;
    pointer-events: none;
}

.nav-item:active::after,
.hero-badge:active::after {
    transform: translate(-50%, -50%) scale(2.5);
    opacity: 1;
    transition: 0s;
}

/* 图片磁吸效果 */
.image-container {
    cursor: pointer;
}

.image-container::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 60px;
    height: 60px;
    background: rgba(25, 118, 210, 0.9);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.image-container::before {
    content: '👁';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    opacity: 0;
    z-index: 10;
    transition: all 0.3s ease;
    pointer-events: none;
}

.image-container:hover::after {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
}

.image-container:hover::before {
    opacity: 1;
}

/* 链接下划线动画 */
.feature-list li {
    position: relative;
}

.feature-list li::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.feature-list li:hover::after {
    width: 100%;
}

/* 卡片边框光效 */
@keyframes borderGlow {
    0%, 100% {
        box-shadow:
            var(--shadow-md),
            0 0 20px rgba(25, 118, 210, 0.3),
            inset 0 0 20px rgba(25, 118, 210, 0.1);
    }
    50% {
        box-shadow:
            var(--shadow-lg),
            0 0 30px rgba(25, 118, 210, 0.5),
            inset 0 0 30px rgba(25, 118, 210, 0.2);
    }
}

.card:hover {
    animation: borderGlow 2s ease-in-out infinite;
}

/* 文字打字机效果类 */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-blue);
    white-space: nowrap;
    animation: typing 3.5s steps(40) 1s 1 normal both,
               blink 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

/* 表格行悬停效果 */
tr {
    transition: all var(--transition-fast);
    position: relative;
}

tr::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 0;
    background: var(--primary-blue);
    transition: height var(--transition-base);
}

tr:hover::before {
    height: 100%;
}

/* Agent头像呼吸效果 */
.agent-avatar {
    animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        box-shadow: 0 0 20px rgba(25, 118, 210, 0.4);
    }
    50% {
        box-shadow: 0 0 30px rgba(25, 118, 210, 0.7);
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: var(--radius-full);
}

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

/* 选中文本样式 */
::selection {
    background: var(--primary-blue);
    color: white;
}

::-moz-selection {
    background: var(--primary-blue);
    color: white;
}

/* 焦点可见性优化 */
*:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* 工具提示hover */
[title] {
    position: relative;
}

/* ========== 工具类 ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* ========== 图片加载状态 ========== */
img {
    transition: opacity var(--transition-base);
}

img.loaded {
    opacity: 1;
}

img.error {
    opacity: 0.5;
    filter: grayscale(1);
}

/* ========== SVG图标尺寸统一管理 ========== */
.hero-description i[data-lucide] {
    width: 24px !important;
    height: 24px !important;
    display: inline-block !important;
    vertical-align: middle !important;
    margin-right: 8px !important;
}

.agent-name i[data-lucide] {
    width: 20px !important;
    height: 20px !important;
    display: inline-block !important;
    vertical-align: middle !important;
    margin-right: 8px !important;
}

.expert-intro h3 i[data-lucide] {
    width: 40px !important;
    height: 40px !important;
    display: inline-block !important;
    vertical-align: middle !important;
    margin-right: 10px !important;
}

.feature-list li i[data-lucide] {
    width: 18px !important;
    height: 18px !important;
    display: inline-block !important;
    vertical-align: middle !important;
    margin-right: 8px !important;
}

.nav-item i[data-lucide] {
    width: 20px !important;
    height: 20px !important;
    display: block !important;
    margin: 0 auto 4px !important;
}

/* ========== 主题切换按钮 ========== */
.theme-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
}

.theme-toggle-btn {
    position: relative;
    width: 64px;
    height: 32px;
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.theme-toggle-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

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

.theme-icon {
    width: 18px !important;
    height: 18px !important;
    transition: all var(--transition-base);
    color: var(--text-gray);
}

body:not(.dark-theme) .theme-icon-light {
    color: var(--primary-blue);
    transform: scale(1.2);
}

body:not(.dark-theme) .theme-icon-dark {
    opacity: 0.5;
}

body.dark-theme .theme-icon-dark {
    color: var(--primary-blue);
    transform: scale(1.2);
}

body.dark-theme .theme-icon-light {
    opacity: 0.5;
}

/* ========== 机器人工作流程可视化 ========== */
.robot-workflow-visual {
    margin-bottom: var(--spacing-2xl);
}

.workflow-step {
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
}

.workflow-step:hover {
    transform: translateY(-8px);
}

.workflow-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.workflow-step:hover .workflow-icon {
    box-shadow: var(--shadow-xl), 0 0 30px rgba(0,0,0,0.3);
    transform: scale(1.1);
}

.workflow-number {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-gray);
    margin-bottom: var(--spacing-xs);
}

.workflow-step h4 {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.workflow-step p {
    font-size: var(--text-sm);
    color: var(--text-gray);
}

@media (max-width: 1024px) {
    .robot-workflow-visual > div {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .robot-workflow-visual > div {
        grid-template-columns: repeat(2, 1fr) !important;
    }

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

    .workflow-step h4 {
        font-size: var(--text-base);
    }
}