/* --- 1. Modern Variables & Reset --- */
:root {
    /* 配色：柔和蓝、渐变蓝、高级灰 */
    --primary: #2E5CFF;
    --primary-light: #55C3FF;
    --primary-gradient: linear-gradient(135deg, #2E5CFF 0%, #55C3FF 100%);
    
    --dark: #0f172a;        /* 接近黑的深蓝 */
    --text-main: #334155;   /* 深灰 */
    --text-light: #64748b;  /* 浅灰 */
    --bg-light: #f8fafc;    /* 极浅灰蓝背景 */
    --white: #ffffff;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --font-main: 'Plus Jakarta Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-main); color: var(--text-main); background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.text-center { text-align: center; }
.bg-soft-blue { background: #f0f6ff; }
.flex-between { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 50px; }

/* Typography */
h1, h2, h3, h4 { color: var(--dark); font-weight: 700; letter-spacing: -0.02em; }
.sec-head h2 { font-size: 36px; margin-bottom: 15px; }
.sec-head p { font-size: 18px; color: var(--text-light); }

/* Buttons & Links */
.btn-pill {
    background: var(--white);
    color: var(--primary);
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
    transition: 0.3s;
}
.btn-pill:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 10px 20px rgba(46, 92, 255, 0.2);
}
.btn-primary:hover { background: #254EDB; transform: translateY(-2px); }

.btn-text { color: var(--primary); font-weight: 600; }

.btn-card-more {
    display: block;
    text-align: center;
    margin-top: 20px;
    padding: 12px 0;
    background: #f8fafc;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    transition: 0.2s;
}
.btn-card-more:hover {
    background: #eff6ff;
    color: var(--dark);
}

/* --- 2. Navbar (Modern Glass) --- */
#navbar {
    position: fixed; top: 0; width: 100%; height: 80px; z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.03);
    transition: 0.3s;
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 100%; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo-circle {
    width: 40px; height: 40px; border-radius: 12px;
    background: var(--primary-gradient);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 18px;
}
.logo-text { font-size: 20px; font-weight: 700; color: var(--dark); }
.logo-text .light { font-weight: 400; }

.nav-links { display: flex; gap: 40px; }
.nav-links a { font-weight: 500; font-size: 15px; color: var(--text-main); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }

.nav-right { display: flex; align-items: center; gap: 20px; }
.lang-switch { font-size: 14px; font-weight: 600; color: var(--text-light); }
.mobile-btn { display: none; font-size: 24px; color: var(--dark); cursor: pointer; }

/* --- 3. Hero Section --- */
.hero {
    position: relative; height: 85vh; min-height: 600px;
    display: flex; align-items: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url('/assets/enterprise/6/img/1.jpeg') center/cover no-repeat;
    z-index: -2;
}
/* 叠加柔和的蓝白色渐变遮罩，使文字更清晰且不沉闷 */
.hero-bg::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, #f8fafc 30%, rgba(248, 250, 252, 0.6) 60%, rgba(248, 250, 252, 0) 100%);
    z-index: -1;
}

.hero-content { position: relative; z-index: 1; width: 100%; }
.hero-text { max-width: 650px; }

.badge-soft {
    display: inline-block; background: rgba(46, 92, 255, 0.1); color: var(--primary);
    padding: 6px 14px; border-radius: 30px; font-size: 13px; font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 { font-size: 64px; line-height: 1.1; margin-bottom: 24px; }
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p { font-size: 18px; color: var(--text-light); margin-bottom: 40px; max-width: 500px; }

/* 搜索胶囊 */
.search-capsule {
    background: #fff;
    padding: 8px;
    border-radius: 50px;
    display: flex; align-items: center;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    max-width: 500px;
    margin-bottom: 50px;
    border: 1px solid rgba(0,0,0,0.05);
}
.search-type {
    display: flex; align-items: center; gap: 8px;
    padding: 0 20px;
    color: var(--text-main); font-weight: 600; font-size: 14px;
    border-right: 1px solid #eee;
}
.search-type i { color: var(--primary); }
.text-xs { font-size: 10px; color: #ccc; margin-left: 5px; }

.search-capsule input {
    border: none; outline: none; flex: 1;
    padding: 0 15px; font-size: 15px;
    font-family: var(--font-main);
}
.btn-search {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--primary); color: #fff;
    border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: 0.3s;
}
.btn-search:hover { transform: scale(1.05); }

.hero-stats { display: flex; gap: 50px; }
.stat-item strong { display: block; font-size: 24px; color: var(--dark); line-height: 1.2; }
.stat-item span { font-size: 13px; color: var(--text-light); }

/* Scroll Indicator */
.scroll-indicator { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); }
.mouse {
    width: 26px; height: 40px; border: 2px solid var(--text-light); border-radius: 20px;
    position: relative; opacity: 0.5;
}
.mouse::before {
    content: ''; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
    width: 4px; height: 4px; background: var(--text-light); border-radius: 50%;
    animation: scroll 2s infinite;
}
@keyframes scroll { 0% { opacity: 1; top: 6px; } 100% { opacity: 0; top: 20px; } }

/* --- 4. Services (Soft Cards) --- */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.srv-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0,0,0,0.03);
    transition: 0.3s;
}
.srv-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.icon-box {
    width: 60px; height: 60px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; margin-bottom: 24px; color: #fff;
}
.blue-grad { background: linear-gradient(135deg, #2E5CFF, #85a5ff); }
.cyan-grad { background: linear-gradient(135deg, #06b6d4, #67e8f9); }
.purple-grad { background: linear-gradient(135deg, #8b5cf6, #c4b5fd); }
.orange-grad { background: linear-gradient(135deg, #f59e0b, #fcd34d); }

.srv-card h3 { font-size: 20px; margin-bottom: 12px; }
.srv-card p { font-size: 14px; color: var(--text-light); margin-bottom: 24px; line-height: 1.6; }
.link-arrow { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.link-arrow:hover { gap: 10px; }

/* --- 5. Network (Clean Map) --- */
.network-wrap { display: flex; align-items: center; gap: 60px; }
.net-info { flex: 1; }
.net-visual { flex: 1; position: relative; }

.tag-outline {
    font-size: 12px; font-weight: 700; color: var(--text-light); letter-spacing: 2px;
    border: 1px solid #e2e8f0; padding: 4px 10px; border-radius: 4px; display: inline-block; margin-bottom: 20px;
}
.net-info h2 { font-size: 42px; margin-bottom: 20px; }
.net-info p { font-size: 16px; color: var(--text-light); margin-bottom: 30px; }
.region-tags { margin-bottom: 40px; }
.region-tags span { display: inline-block; margin-right: 15px; font-size: 14px; color: var(--text-main); background: #fff; padding: 6px 12px; border-radius: 8px; box-shadow: var(--shadow-sm); }

.map-svg { width: 100%; opacity: 0.15; }
.pin {
    position: absolute; width: 12px; height: 12px; background: var(--primary);
    border-radius: 50%; box-shadow: 0 0 0 4px rgba(46, 92, 255, 0.2);
}
.ripple {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 100%; height: 100%; border-radius: 50%; border: 1px solid var(--primary);
    animation: ripple 2s infinite; opacity: 0;
}
.p1 { top: 35%; left: 20%; }
.p2 { top: 30%; left: 50%; }
.p3 { top: 50%; left: 80%; }
@keyframes ripple { 0% { width: 100%; height: 100%; opacity: 0.8; } 100% { width: 400%; height: 400%; opacity: 0; } }

/* --- 6. News (Modern Grid) --- */
.news-modern-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-column-card {
    background: #fff;
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid #eee;
    transition: 0.3s;
    display: flex; /* Flex layout to push footer to bottom if needed, but not strictly required */
    flex-direction: column;
}
.news-column-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.col-head { display: flex; align-items: center; gap: 15px; margin-bottom: 25px; padding-bottom: 20px; border-bottom: 1px solid #f1f5f9; }
.icon-circle {
    width: 40px; height: 40px; background: #eff6ff; color: var(--primary);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.col-head h4 { font-size: 18px; margin: 0; }

.news-list-modern { flex: 1; } /* Ensure list takes available space */
.news-list-modern li { margin-bottom: 15px; }
.news-list-modern a { display: block; }
.news-list-modern .date {
    display: block; font-size: 12px; color: #94a3b8; font-weight: 600; text-transform: uppercase; margin-bottom: 4px;
}
.news-list-modern .title {
    font-size: 15px; color: var(--text-main); line-height: 1.5; font-weight: 500; transition: 0.2s;
}
.news-list-modern a:hover .title { color: var(--primary); }

/* --- 7. Footer --- */
footer { background: #fff; border-top: 1px solid #f1f5f9; padding: 80px 0 0; }
.footer-main { display: flex; justify-content: space-between; padding-bottom: 60px; }
.f-brand h3 { font-size: 24px; color: var(--primary); margin-bottom: 10px; }
.f-brand p { font-size: 14px; color: var(--text-light); }

.f-menu a { margin-left: 30px; font-size: 14px; color: var(--text-main); font-weight: 500; }
.f-menu a:hover { color: var(--primary); }

.f-social a { margin-left: 20px; color: #cbd5e1; font-size: 20px; }
.f-social a:hover { color: var(--primary); }

.footer-copy { background: #f8fafc; padding: 20px 0; text-align: center; color: #94a3b8; font-size: 13px; }

/* Responsive */
@media (max-width: 992px) {
    .hero { height: auto; padding: 120px 0 60px; display: block; }
    .hero-bg::after { background: linear-gradient(180deg, #f8fafc 10%, rgba(248, 250, 252, 0.8) 50%, rgba(248, 250, 252, 0.2) 100%); }
    .hero h1 { font-size: 42px; }
    .service-grid, .news-modern-grid { grid-template-columns: 1fr; }
    .network-wrap { flex-direction: column; }
    .nav-links, .lang-switch, .btn-pill { display: none; }
    .mobile-btn { display: block; }
    .footer-main { flex-direction: column; gap: 30px; }
    .f-menu a, .f-social a { margin-left: 0; margin-right: 20px; }
}