/* 郑州见隐科技有限公司 - 公共样式 - 现代科技风格 */

/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary-color: #ec4899;
    --accent-color: #06b6d4;
    --text-white: #ffffff;
    --text-light: #e2e8f0;
    --text-gray: #94a3b8;
    --text-muted: #64748b;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --border-color: #334155;
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-dark);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-light);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 容器 */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
}

.logo span {
    color: var(--text-white);
    white-space: nowrap;
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-gray);
    padding: 10px 20px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-white);
    background: rgba(99, 102, 241, 0.1);
}

.nav-links a.active {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-white);
    transition: var(--transition);
}

/* 页面主体 */
.main-content {
    padding-top: 80px;
}

/* 页面标题区域 */
.page-header {
    background: var(--gradient-dark);
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
}

.page-header::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    animation: headerPulse 6s ease-in-out infinite;
}

@keyframes headerPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

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

/* 板块样式 */
.section {
    padding: 100px 0;
}

.section-gray {
    background: var(--bg-darker);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-white);
    text-align: center;
    margin-bottom: 60px;
}

.section-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 卡片样式 */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
    color: var(--text-white);
}

.btn-outline {
    border: 2px solid var(--border-color);
    color: var(--text-white);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-white);
}

/* 图标样式 */
.icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

/* 渐变文字 */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 页脚 */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-white);
}

.footer-brand p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-white);
}

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

.footer-links a {
    color: var(--text-gray);
    font-size: 15px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--text-gray);
    font-size: 15px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* 动画 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid var(--border-color);
    }

    .page-title {
        font-size: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .logo span {
        display: none;
    }

    .page-header {
        padding: 60px 0;
    }

    .page-title {
        font-size: 28px;
    }
}