/* ===== 云南沃尔得科技 - 深邃星空主题 | 高端科技风 ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS变量 - 深邃星空主题 ===== */
:root {
    --bg-void: #050B18;
    --bg-deep: #0A1628;
    --bg-surface: #111D32;
    --bg-card: rgba(17, 29, 50, 0.8);
    --accent-cyan: #00E5FF;
    --accent-blue: #0066FF;
    --accent-purple: #7C3AED;
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255,255,255,0.7);
    --text-muted: rgba(255,255,255,0.5);
    --gradient-glow: linear-gradient(135deg, #00E5FF 0%, #0066FF 50%, #7C3AED 100%);
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(0,230,255,0.15) 0%, transparent 50%);
    --shadow-glow-cyan: 0 0 30px rgba(0,229,255,0.3);
    --shadow-glow-blue: 0 0 30px rgba(0,102,255,0.3);
    --shadow-glow-purple: 0 0 30px rgba(124,58,237,0.3);
    --glass-bg: rgba(17, 29, 50, 0.6);
    --glass-border: rgba(0,229,255,0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
    background: var(--bg-void);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--text-primary); }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

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

.neon-text {
    text-shadow: 0 0 10px var(--accent-cyan), 0 0 20px var(--accent-cyan), 0 0 40px var(--accent-cyan);
}

.neon-text-blue {
    text-shadow: 0 0 10px var(--accent-blue), 0 0 20px var(--accent-blue), 0 0 40px var(--accent-blue);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}
.glass-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-8px);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(5, 11, 24, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,229,255,0.1);
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(5, 11, 24, 0.95);
    padding: 0.75rem 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.navbar .logo-text {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0,229,255,0.5);
}
.nav-link {
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: var(--transition);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}
.nav-link:hover { color: var(--accent-cyan); }
.nav-link:hover::after { width: 80%; }
.nav-link.active { color: var(--accent-cyan); }
.nav-link.active::after { width: 80%; }

/* ===== Hero 区域 ===== */
.hero {
    min-height: 100vh;
    background: var(--bg-void);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(0,229,255,0.1) 0%, transparent 30%),
        radial-gradient(circle at 80% 20%, rgba(124,58,237,0.1) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(0,102,255,0.05) 0%, transparent 50%);
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(50px); }
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(0,229,255,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(124,58,237,0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 100%, rgba(0,102,255,0.1) 0%, transparent 50%);
}
.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 2rem;
    max-width: 900px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(0,229,255,0.1);
    border: 1px solid rgba(0,229,255,0.3);
    border-radius: 50px;
    color: var(--accent-cyan);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease;
}
.hero-badge i { animation: float 2s ease-in-out infinite; }
.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}
.btn-primary {
    background: var(--gradient-glow);
    color: white;
    box-shadow: 0 4px 20px rgba(0,102,255,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,102,255,0.5);
}
.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--accent-cyan);
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: 2px solid var(--accent-cyan);
    cursor: pointer;
    transition: all 0.3s ease;
}
.btn-outline:hover {
    background: var(--accent-cyan);
    color: var(--bg-void);
    box-shadow: var(--shadow-glow-cyan);
}

/* ===== 卡片 ===== */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
}
.card:hover {
    border-color: rgba(0,229,255,0.3);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow-cyan);
}
.card-glass {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
}
.card-glass:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(0,102,255,0.3);
    transform: translateY(-4px);
}
.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-glow);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    box-shadow: 0 0 30px rgba(0,229,255,0.3);
}
.card-icon-light {
    background: rgba(0,102,255,0.1);
    color: var(--accent-cyan);
}

/* ===== 服务卡片 ===== */
.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.15);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.service-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-12px);
}
.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 0 40px rgba(0,229,255,0.3);
}

/* ===== 区块 ===== */
.section { padding: 6rem 0; position: relative; }
.section-dark { background: var(--bg-deep); color: white; }
.section-gray { background: var(--bg-surface); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 4rem; }
.section-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(0,229,255,0.1);
    color: var(--accent-cyan);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1rem;
    border: 1px solid rgba(0,229,255,0.3);
}
.section-title { margin-bottom: 1rem; }
.section-desc { color: var(--text-muted); font-size: 1.125rem; }
.section-title.text-white,
.section-dark .section-title { color: white; }

/* ===== 网格 ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.5rem; }

/* ===== 统计数字 ===== */
.stats-section {
    background: var(--bg-void);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 0% 100%, rgba(0,102,255,0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 0%, rgba(0,229,255,0.2) 0%, transparent 50%);
}



/* ===== 数据统计 - 重设计版 ===== */
.stats-section {
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.12);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-6px);
    border-color: rgba(0,229,255,0.35);
    box-shadow: 0 20px 50px rgba(0,229,255,0.12), inset 0 1px 0 rgba(255,255,255,0.06);
}

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

.stat-number {
    font-size: clamp(2.8rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.8rem;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
}

.stat-plus {
    font-size: 0.55em;
    font-weight: 800;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: 1px;
    vertical-align: super;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

/* ===== 合作伙伴 ===== */
/* ===== 合作伙伴区域 - 优化版 ===== */
.partners-section {
    background: linear-gradient(135deg, #0a1628 0%, #111D32 50%, #0d1b2a 100%);
    position: relative;
    overflow: hidden;
}
.partners-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(0,229,255,0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0,229,255,0.02) 0%, transparent 50%);
    pointer-events: none;
}
.partners-title {
    font-size: 2.5rem !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, #ffffff 0%, #00E5FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem !important;
}
.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    padding: 3rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}
.partner-logo {
    position: relative;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 1.2rem 1.5rem;
    background: linear-gradient(135deg,
        rgba(17,29,50,0.8) 0%,
        rgba(10,22,40,0.9) 100%
    );
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(0,229,255,0.08);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.4),
        inset 0 1px 0 rgba(255,255,255,0.05),
        inset 0 -1px 0 rgba(0,0,0,0.3);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
}
.partner-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0,229,255,0.08),
        transparent
    );
    transition: left 0.6s ease;
}
.partner-logo:hover::before {
    left: 100%;
}
.partner-logo:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: rgba(0,229,255,0.4);
    box-shadow:
        0 12px 40px rgba(0,229,255,0.15),
        0 4px 12px rgba(0,0,0,0.5),
        inset 0 1px 0 rgba(255,255,255,0.1);
}
.partner-logo i {
    font-size: 28px;
    color: #00E5FF;
    filter: drop-shadow(0 0 8px rgba(0,229,255,0.4));
    transition: all 0.3s ease;
    flex-shrink: 0;
}
.partner-logo:hover i {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 0 16px rgba(0,229,255,0.7));
}
.partner-logo span {
    font-size: 16px;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}
.partner-logo:hover span {
    color: #ffffff;
    text-shadow: 0 0 20px rgba(0,229,255,0.5);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .partner-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 2rem 0.5rem;
    }
    .partner-logo {
        height: 70px;
        padding: 0.8rem 1rem;
    }
    .partner-logo i {
        font-size: 22px;
    }
    .partner-logo span {
        font-size: 14px;
    }
    .partners-title {
        font-size: 1.8rem !important;
    }
}

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

/* ===== 案例卡片 ===== */
.case-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
    cursor: pointer;
    background: var(--glass-bg);
    border: 1px solid rgba(0,229,255,0.1);
    transition: all 0.4s ease;
}
.case-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-8px);
}
.case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.case-card:hover img { transform: scale(1.1); }
.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5,11,24,0.95) 0%, rgba(5,11,24,0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    transition: var(--transition);
}
.case-card:hover .case-overlay {
    background: linear-gradient(to top, rgba(0,229,255,0.9) 0%, rgba(124,58,237,0.4) 100%);
}
.case-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-cyan);
    color: var(--bg-void);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 0.5rem;
    width: fit-content;
}
.case-title { color: white; font-size: 1.25rem; font-weight: 700; }
.case-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, rgba(0,229,255,0.2), rgba(124,58,237,0.2));
    color: var(--accent-cyan);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(0,229,255,0.3);
}

/* ===== 新闻卡片 ===== */
.news-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s ease;
}
.news-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-8px);
}
.news-image { aspect-ratio: 16/9; overflow: hidden; }
.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.news-card:hover .news-image img { transform: scale(1.1); }
.news-content { padding: 1.5rem; }
.news-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, rgba(0,229,255,0.2), rgba(124,58,237,0.2));
    color: var(--accent-cyan);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(0,229,255,0.3);
    margin-bottom: 0.75rem;
}
.news-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-primary);
}
.news-summary {
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}
.news-meta { display: flex; gap: 1rem; color: var(--text-muted); font-size: 0.875rem; }
.news-date { color: var(--text-muted); font-size: 0.875rem; }
.news-author { color: var(--text-muted); font-size: 0.875rem; }

/* ===== 产品卡片 ===== */
.product-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s ease;
}
.product-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-8px);
}
.product-image { aspect-ratio: 16/9; overflow: hidden; }
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.product-card:hover .product-image img { transform: scale(1.1); }
.product-content { padding: 1.5rem; }
.product-name {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}
.product-summary {
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}
.product-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, rgba(0,229,255,0.2), rgba(124,58,237,0.2));
    color: var(--accent-cyan);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(0,229,255,0.3);
}

/* ===== 分类标签 ===== */
.category-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, rgba(0,229,255,0.2), rgba(124,58,237,0.2));
    color: var(--accent-cyan);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(0,229,255,0.3);
}

/* ===== 筛选标签 ===== */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-bottom: 3rem; }
.filter-tab {
    padding: 0.625rem 1.25rem;
    background: var(--glass-bg);
    border: 1px solid rgba(0,229,255,0.1);
    border-radius: 50px;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}
.filter-tab:hover, .filter-tab.active {
    background: var(--accent-cyan);
    color: var(--bg-void);
    border-color: var(--accent-cyan);
}

/* ===== 详情页 ===== */
.case-detail, .news-detail, .product-detail {
    max-width: 900px;
    margin: 0 auto;
}
.case-detail-header, .news-detail-header, .product-detail-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(0,229,255,0.1);
}
.case-detail-title, .news-detail-title, .product-detail-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}
.case-detail-meta, .news-detail-meta, .product-detail-meta {
    display: flex;
    gap: 2rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}
.case-detail-meta i, .news-detail-meta i, .product-detail-meta i {
    margin-right: 0.5rem;
    color: var(--accent-cyan);
}
.case-detail-cover, .news-detail-cover, .product-detail-cover {
    margin-bottom: 2rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.case-detail-cover img, .news-detail-cover img, .product-detail-cover img {
    width: 100%;
    height: auto;
}
.case-detail-content, .news-detail-content, .product-detail-content {
    line-height: 1.8;
    color: var(--text-secondary);
}
.case-detail-content p, .news-detail-content p, .product-detail-content p {
    margin-bottom: 1.5rem;
}
.news-detail-container, .case-detail-container, .product-detail-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.1);
    border-radius: var(--radius-xl);
    padding: 3rem;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-deep);
    color: white;
    padding: 5rem 0 2rem;
    border-top: 1px solid rgba(0,229,255,0.1);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 4rem;
}
.footer-brand { max-width: 300px; }
.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}
.footer-desc { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: 1rem; }
.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition);
    border: 1px solid rgba(0,229,255,0.2);
}
.social-link:hover {
    background: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-cyan);
}
.footer-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 1.5rem; color: white; }
.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-link { color: var(--text-secondary); transition: var(--transition); }
.footer-link:hover { color: var(--accent-cyan); padding-left: 0.5rem; }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}
.footer-contact i { color: var(--accent-cyan); width: 20px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-copyright { color: var(--text-muted); font-size: 0.875rem; }
.footer-legal { display: flex; gap: 2rem; }
.footer-legal a { color: var(--text-muted); font-size: 0.875rem; }
.footer-legal a:hover { color: var(--accent-cyan); }

.footer-beian { display: inline-flex; align-items: center; gap: 0; }

/* ICP备案 */
.footer-bottom > a[href*="beian"] {
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: color 0.3s ease;
    text-decoration: none;
}
.footer-bottom > a[href*="beian"]:hover {
    color: var(--accent-cyan);
}

/* ===== 表单 ===== */
.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.1);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-glow-blue);
}
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-primary); }
.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid rgba(0,229,255,0.2);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-family: inherit;
    background: rgba(5,11,24,0.8);
    color: var(--text-primary);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 4px rgba(0,229,255,0.1);
}
.form-textarea { min-height: 150px; resize: vertical; }

/* ===== 页面标题 ===== */
.page-header {
    background: var(--bg-deep);
    padding: 10rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 100%, rgba(0,229,255,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 30% 50%, rgba(124,58,237,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(0,102,255,0.1) 0%, transparent 50%);
}
.page-header-content { position: relative; z-index: 1; }
.page-title { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 800; color: white; margin-bottom: 1rem; }
.page-breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}
.page-breadcrumb a { color: var(--text-secondary); }
.page-breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb-separator { color: var(--text-muted); }

/* ===== 时间轴 ===== */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-purple));
    box-shadow: 0 0 10px rgba(0,229,255,0.3);
}
.timeline-item { position: relative; padding-bottom: 2rem; padding-left: 2rem; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--gradient-glow);
    border-radius: 50%;
    transform: translateX(-5px);
    box-shadow: 0 0 20px rgba(0,229,255,0.5);
}
.timeline-year { font-size: 1.25rem; font-weight: 700; color: var(--accent-cyan); margin-bottom: 0.5rem; }
.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0,229,255,0.1);
}

/* ===== CTA ===== */
.cta-section {
    background: var(--bg-void);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 0% 0%, rgba(0,229,255,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(124,58,237,0.15) 0%, transparent 50%);
}
.cta-content { position: relative; z-index: 1; }
.cta-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: white; margin-bottom: 1rem; }
.cta-desc { color: var(--text-secondary); font-size: 1.125rem; margin-bottom: 2rem; }

/* ===== 招聘 ===== */
.job-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}
.job-card:hover { border-color: var(--accent-cyan); box-shadow: var(--shadow-glow-cyan); }
.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.job-title { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }
.job-salary { color: var(--accent-cyan); font-weight: 700; }
.job-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.job-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(0,229,255,0.1);
    color: var(--accent-cyan);
    font-size: 0.875rem;
    border-radius: 50px;
    border: 1px solid rgba(0,229,255,0.2);
}
.job-description { color: var(--text-muted); line-height: 1.7; }

/* ===== 联系信息卡片 ===== */
.contact-info-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,229,255,0.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}
.contact-info-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-4px);
}
.contact-info-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,229,255,0.1);
    border-radius: 50%;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: var(--accent-cyan);
}
.contact-info-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-primary); }
.contact-info-text { color: var(--text-muted); }

/* ===== 法律/隐私页面 ===== */
.legal-content { max-width: 800px; margin: 0 auto; padding: 4rem 1.5rem; }
.legal-content h2 { font-size: 1.5rem; margin: 2rem 0 1rem; color: var(--text-primary); }
.legal-content p { margin-bottom: 1rem; line-height: 1.8; color: var(--text-secondary); }
.legal-content ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-content li { margin-bottom: 0.5rem; color: var(--text-secondary); }

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0,102,255,0.3); }
    50% { box-shadow: 0 0 40px rgba(0,102,255,0.6); }
}
.animate-fadeInUp { animation: fadeInUp 0.8s ease forwards; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.scroll-reveal.revealed { opacity: 1; transform: translateY(0); }

/* ===== 工具类 ===== */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.w-full { width: 100%; }
.hidden { display: none; }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: 50%; }
.shadow-lg { box-shadow: 0 10px 40px rgba(0,0,0,0.3); }
.mx-auto { margin-left: auto; margin-right: auto; }
.ml-2 { margin-left: 0.5rem; }
.mr-2 { margin-right: 0.5rem; }
.font-bold { font-weight: 700; }
.text-2xl { font-size: 1.5rem; }
.text-white { color: white; }
.inline-flex { display: inline-flex; }

/* ===== 移动端 ===== */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}
.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: white;
    transition: var(--transition);
}
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(5,11,24,0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}
.mobile-nav.active { display: flex; }
.mobile-nav-link { font-size: 1.5rem; font-weight: 600; color: white; padding: 1rem; }
.mobile-nav-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2rem;
    color: white;
    background: none;
    border: none;
    cursor: pointer;
}

/* ===== 返回顶部 ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--gradient-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0,102,255,0.4);
    border: none;
}
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,102,255,0.5); }

/* ===== 空状态和加载 ===== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}
.loading {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--accent-cyan);
}
.error {
    text-align: center;
    padding: 2rem;
    color: #EF4444;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .grid-4, .grid-6 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
    .desktop-nav { display: none; }
    .mobile-menu-btn { display: flex; }
}
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .grid-6 { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
    .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
}
@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .hero-buttons { flex-direction: column; align-items: center; }
}

/* ===== 发光边框效果 ===== */
.glow-border { position: relative; }
.glow-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-glow);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.glow-border:hover::before { opacity: 1; }

/* ===== 科技网格背景 ===== */
.tech-grid-bg { position: relative; }
.tech-grid-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,229,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,0.02) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}


/* 六大核心业务 - 一行6列排列 */

/* 六大核心业务 - 3列x2行布局 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.services-grid .card {
    text-align: center;
    padding: 2rem 1.5rem;
}
.services-grid .card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}
.services-grid h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}
.services-grid p {
    font-size: 0.95rem;
}

/* 响应式 - 小屏幕减少列数 */
@media (max-width: 992px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }

/* Logo图片样式 */
    object-fit: contain;
    background: white;
    padding: 2px;
    border-radius: 4px;
    height: 40px;
    width: auto;
}
.logo-img { display: inline-block; vertical-align: middle; height: 38px; width: auto; margin-right: 8px; }