/* 凡游科技 · 企业官网 */
:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #14b8a6;
    --accent: #f59e0b;
    --text: #1e293b;
    --text-muted: #64748b;
    --bg: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 24px rgba(15, 118, 110, 0.08);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--primary-dark);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 15px;
    color: var(--text-muted);
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.45);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

/* Hero */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(160deg, #ecfdf5 0%, #f0fdfa 40%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(13, 148, 136, 0.1);
    color: var(--primary-dark);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 42px;
    line-height: 1.25;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--primary);
}

.hero-desc {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.hero-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow), 0 20px 60px rgba(0, 0, 0, 0.06);
    padding: 28px;
    border: 1px solid var(--border);
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #f87171; }
.dot-yellow { background: #fbbf24; }
.dot-green { background: #34d399; }

.hero-card-title {
    margin-left: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

.stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.stat-item {
    background: var(--bg);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
}

.stat-value {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.mini-chart {
    height: 80px;
    background: linear-gradient(180deg, rgba(13, 148, 136, 0.15) 0%, transparent 100%);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.mini-chart::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 60' preserveAspectRatio='none'%3E%3Cpath d='M0,50 L40,35 L80,42 L120,20 L160,30 L200,15 L240,25 L280,10 L300,18 L300,60 L0,60 Z' fill='%230d9488' fill-opacity='0.3'/%3E%3Cpath d='M0,50 L40,35 L80,42 L120,20 L160,30 L200,15 L240,25 L280,10 L300,18' stroke='%230d9488' stroke-width='2' fill='none'/%3E%3C/svg%3E") no-repeat bottom;
    background-size: 100% 100%;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-text h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--primary-dark);
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 15px;
}

.about-points {
    list-style: none;
    margin-top: 24px;
}

.about-points li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    font-size: 15px;
    color: var(--text);
}

.about-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.about-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.about-card h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text);
}

.info-list {
    list-style: none;
}

.info-list li {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

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

.info-list .label {
    width: 80px;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* Features */
.features {
    background: var(--white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 32px 24px;
    border: 1px solid var(--border);
    transition: all 0.25s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 17px;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    text-align: center;
    padding: 72px 0;
}

.cta h2 {
    font-size: 30px;
    margin-bottom: 12px;
}

.cta p {
    opacity: 0.9;
    margin-bottom: 32px;
    font-size: 16px;
}

.cta .btn-primary {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta .btn-primary:hover {
    background: #f0fdfa;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 640px;
    margin: 0 auto;
}

.contact-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.contact-card .icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.contact-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.contact-card a,
.contact-card p {
    font-size: 15px;
    color: var(--primary);
    word-break: break-all;
}

/* Footer */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 40px 0 24px;
    text-align: center;
    font-size: 14px;
}

.site-footer .company {
    color: #e2e8f0;
    font-size: 15px;
    margin-bottom: 12px;
}

.site-footer a {
    color: #94a3b8;
    transition: color 0.2s;
}

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

.footer-links {
    margin: 16px 0;
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 13px;
}

/* Mobile nav toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text);
    padding: 4px;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        order: -1;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 32px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow);
    }

    .nav-links.open {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .header-cta {
        display: none;
    }

    .stat-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 110px 0 60px;
    }

    .section {
        padding: 56px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }
}