/* 华燊合成 - 全站样式 */
:root {
    --primary: #00d2ff;
    --primary-dark: #3a7bd5;
    --bg-dark: #0a0a0a;
    --bg-card: rgba(255,255,255,0.03);
    --border: rgba(255,255,255,0.1);
    --text: #f0f0f0;
    --text-dim: #aaa;
    --text-muted: #888;
}

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.8;
}

a { color: var(--primary); text-decoration: none; transition: opacity 0.3s; }
a:hover { opacity: 0.85; }

/* 导航 */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 20px 40px;
    display: flex; justify-content: space-between; align-items: center;
    transition: all 0.4s;
    backdrop-filter: blur(20px);
    background: rgba(10,10,10,0.8);
}
.navbar.scrolled { background: rgba(10,10,10,0.95); box-shadow: 0 2px 20px rgba(0,0,0,0.5); }
.nav-logo { font-size: 1.5rem; font-weight: 700; color: white; letter-spacing: 3px; }
.nav-logo span { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; gap: 35px; }
.nav-links a { color: var(--text-dim); font-size: 0.95rem; transition: color 0.3s; }
.nav-links a:hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }

/* 粒子背景 */
.particles {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0a 70%);
}
.particles canvas { position: absolute; top: 0; left: 0; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-align: center; padding: 120px 20px 80px;
}
.hero h1 {
    font-size: 5.5rem; font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 25px; letter-spacing: 10px;
    animation: fadeInUp 1s ease-out;
}
.hero .tagline { font-size: 1.4rem; color: var(--text-dim); margin-bottom: 50px; animation: fadeInUp 1s ease-out 0.3s backwards; max-width: 600px; }
.hero .cta-group { display: flex; gap: 20px; animation: fadeInUp 1s ease-out 0.6s backwards; flex-wrap: wrap; justify-content: center; }

/* 按钮 */
.btn {
    padding: 16px 45px; border-radius: 50px; font-weight: 600; font-size: 1.05rem;
    transition: all 0.4s; display: inline-block;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; box-shadow: 0 10px 30px rgba(0,210,255,0.3); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(0,210,255,0.5); opacity: 1; }
.btn-secondary { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-secondary:hover { background: rgba(0,210,255,0.1); transform: translateY(-3px); opacity: 1; }
.btn-white { background: white; color: var(--bg-dark); font-weight: 700; }
.btn-white:hover { transform: translateY(-3px); opacity: 1; }

/* 通用Section */
.section { padding: 120px 40px; max-width: 1400px; margin: 0 auto; }
.section-title {
    font-size: 3rem; text-align: center; margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.section-subtitle { text-align: center; color: var(--text-dim); margin-bottom: 70px; font-size: 1.1rem; }

/* 卡片网格 */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px;
    padding: 50px 40px; backdrop-filter: blur(10px); transition: all 0.5s; position: relative; overflow: hidden;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    transform: scaleX(0); transition: transform 0.5s;
}
.card:hover::before { transform: scaleX(1); }
.card:hover { transform: translateY(-8px); border-color: rgba(0,210,255,0.3); box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.card-icon { font-size: 3.5rem; margin-bottom: 25px; display: block; }
.card h3 { font-size: 1.5rem; margin-bottom: 15px; color: white; }
.card p { color: var(--text-dim); }

/* 数据展示 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; padding: 80px 40px; max-width: 1200px; margin: 0 auto; }
.stat-item h3 { font-size: 3.5rem; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-item p { color: var(--text-dim); margin-top: 10px; }

/* 产品卡片 */
.product-card { background: rgba(0,210,255,0.05); border: 1px solid rgba(0,210,255,0.2); }
.product-card ul { list-style: none; margin-top: 15px; }
.product-card li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05); color: var(--text-dim); }
.product-card li:last-child { border: none; }
.badge { display: inline-block; padding: 6px 18px; background: rgba(0,210,255,0.15); color: var(--primary); border-radius: 20px; font-size: 0.85rem; margin-top: 15px; border: 1px solid rgba(0,210,255,0.3); }
.badge-active { background: rgba(76,175,80,0.15); color: #4CAF50; border-color: rgba(76,175,80,0.3); }
.badge-test { background: rgba(255,152,0,0.15); color: #FF9800; border-color: rgba(255,152,0,0.3); }

/* 时间线 */
.timeline { max-width: 800px; margin: 0 auto; position: relative; padding-left: 60px; }
.timeline::before { content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background: linear-gradient(var(--primary), var(--primary-dark)); }
.timeline-item { position: relative; margin-bottom: 50px; }
.timeline-item::before { content: ''; position: absolute; left: -48px; top: 10px; width: 16px; height: 16px; background: var(--primary); border-radius: 50%; box-shadow: 0 0 20px rgba(0,210,255,0.5); }
.timeline-item h4 { color: var(--primary); margin-bottom: 8px; font-size: 1.1rem; }
.timeline-item h3 { font-size: 1.3rem; margin-bottom: 10px; }
.timeline-item p { color: var(--text-dim); }

/* CTA区域 */
.cta-section {
    text-align: center; padding: 120px 40px;
    background: linear-gradient(rgba(0,210,255,0.1), rgba(58,123,213,0.1));
    border-top: 1px solid rgba(0,210,255,0.1); border-bottom: 1px solid rgba(0,210,255,0.1);
}
.cta-section h2 { font-size: 3rem; margin-bottom: 20px; }
.cta-section p { color: var(--text-dim); margin-bottom: 40px; font-size: 1.15rem; }

/* Footer */
.footer {
    background: rgba(0,0,0,0.5); padding: 80px 40px 40px;
    border-top: 1px solid rgba(255,255,255,0.05); text-align: center;
}
.footer-logo { font-size: 2rem; font-weight: 700; margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.footer p { color: var(--text-muted); margin-bottom: 8px; }
.footer .values { margin-top: 30px; font-size: 1.1rem; letter-spacing: 8px; color: var(--primary); }
.footer-links { margin-top: 30px; display: flex; justify-content: center; gap: 30px; }
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--primary); }

/* 动画 */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.animate { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.animate.visible { opacity: 1; transform: translateY(0); }

/* 页面特定 */
.page-header { padding: 150px 40px 80px; text-align: center; }
.page-header h1 { font-size: 3.5rem; margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.page-header p { color: var(--text-dim); max-width: 600px; margin: 0 auto; font-size: 1.15rem; }

/* 关于页面 */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h3 { font-size: 1.8rem; margin-bottom: 15px; color: white; }
.about-text p { color: var(--text-dim); margin-bottom: 20px; }

/* 融资页面 */
.funding-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 50px; }
.funding-card h3 { color: var(--primary); margin-bottom: 20px; font-size: 1.5rem; }

/* 响应式 */
@media (max-width: 1024px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .hero h1 { font-size: 3rem; letter-spacing: 5px; }
    .section-title { font-size: 2.2rem; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-links.active { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(10,10,10,0.98); padding: 20px 40px; gap: 20px; }
    .stats { grid-template-columns: 1fr 1fr; }
    .section { padding: 80px 20px; }
}