/* 🔥 AECC 黑蓝紫电竞炫酷配色（你要的效果） */
:root {
    --bg-black: #0c0c1a;
    --blue-dark: #092066;
    --blue-neon: #165DFF;
    --purple-neon: #7B2CBF;
    --purple-light: #B565E7;
    --accent: #165DFF;
    --text-light: #ffffff;
    --text-dim: #d0d0e0;
    --card-bg: #121229;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-black);
    color: var(--text-light);
    line-height: 1.7;
}

/* 导航 */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(12, 12, 26, 0.85);
    backdrop-filter: blur(12px);
    padding: 16px 0;
    box-shadow: 0 0 20px rgba(22, 93, 255, 0.15);
    z-index: 999;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--blue-neon);
}

.logo img {
    height: 36px;
}

.menu a {
    margin-left: 28px;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s;
}

.menu a:hover,
.menu a.active {
    color: var(--purple-light);
}

/* 首屏 Banner：黑蓝紫渐变 */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #0c0c1a 0%, #092066 40%, #7B2CBF 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
    padding: 0 24px;
    margin-top: 70px;
}

.hero-content {
    max-width: 720px;
}

.hero h1 {
    font-size: 46px;
    margin-bottom: 12px;
    font-weight: 700;
}

.hero .tagline {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 22px;
}

.hero .mission {
    font-size: 16px;
    max-width: 620px;
    margin: 0 auto 38px;
    opacity: 0.85;
    line-height: 1.8;
}

.btn {
    padding: 14px 34px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(90deg, var(--blue-neon), var(--purple-neon));
    color: #fff;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(123, 44, 191, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    margin-left: 12px;
}

.btn-outline:hover {
    border-color: #fff;
}

.btn-secondary {
    background: var(--blue-neon);
    color: #fff;
    margin-left: 12px;
}

.btn-secondary:hover {
    background: #0c4bdb;
}

/* 通用区块 */
.section {
    padding: 100px 24px;
    text-align: center;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.section h2 {
    font-size: 30px;
    color: var(--text-light);
    margin-bottom: 20px;
    font-weight: 600;
}

.section p {
    font-size: 16px;
    color: var(--text-dim);
    max-width: 680px;
    margin: 0 auto 30px;
    line-height: 1.8;
}

.bg-light {
    background: #101022;
}

.section-buttons {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* 业务卡片 —— 2×2 整齐炫酷 */
.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-top: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: var(--card-bg);
    padding: 36px 24px;
    border-radius: 12px;
    border: 1px solid rgba(22, 93, 255, 0.15);
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(181, 101, 231, 0.4);
    box-shadow: 0 0 20px rgba(123, 44, 191, 0.15);
}

.service-card .icon {
    font-size: 32px;
    margin-bottom: 12px;
    color: var(--purple-light);
}

.service-card h3 {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-dim);
}

/* 页脚 */
footer {
    background: #080814;
    color: var(--text-light);
    padding: 50px 24px;
    text-align: center;
    border-top: 1px solid rgba(22, 93, 255, 0.15);
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 30px;
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    margin: 0 12px;
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--purple-light);
}

.footer-copyright {
    opacity: 0.5;
    font-size: 14px;
}

/* 移动端 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    .menu {
        display: none;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
}
/* 内页头部样式 */
.page-header {
    padding: 140px 24px 60px;
    text-align: center;
    background: linear-gradient(135deg, #0c0c1a 0%, #092066 40%, #7B2CBF 100%);
}
.page-header h1 { font-size: 36px; margin-bottom: 10px; }
.page-header p { opacity: 0.8; }