/* ==================== 基础变量与重置 ==================== */
:root {
    --primary-red: #e63946;
    --primary-dark-red: #c1121f;
    --gold: #f4a261;
    --gold-light: #fcd581;
    --dark: #1a1a1a;
    --dark-2: #2d2d2d;
    --gray: #6c757d;
    --light: #f8f9fa;
    --white: #ffffff;
    --gradient-gold: linear-gradient(135deg, #f4a261 0%, #e63946 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 50px rgba(230, 57, 70, 0.15);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--dark);
    background: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 16px 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 28px; }
.logo-text { display: flex; flex-direction: column; }
.logo-main { font-size: 20px; font-weight: 800; color: var(--white); letter-spacing: 1px; }
.logo-sub { font-size: 10px; color: var(--gold); letter-spacing: 2px; font-weight: 600; }

.nav-menu { display: flex; gap: 8px; align-items: center; }
.nav-link {
    padding: 8px 16px; border-radius: 100px; font-size: 14px; font-weight: 500;
    color: rgba(255,255,255,0.8); transition: var(--transition);
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.1); }
.btn-nav {
    background: var(--gradient-gold); color: var(--white) !important; font-weight: 700 !important;
}
.btn-nav:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(244, 162, 97, 0.4); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ==================== Hero 区域 ==================== */
.hero {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--dark); position: relative; padding: 120px 24px 80px; text-align: center;
}
.hero-bg-pattern {
    position: absolute; inset: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(230, 57, 70, 0.15) 0%, transparent 50%),
                      radial-gradient(circle at 80% 80%, rgba(244, 162, 97, 0.1) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-badge {
    display: inline-block; padding: 6px 16px; background: rgba(244, 162, 97, 0.15);
    color: var(--gold); border: 1px solid rgba(244, 162, 97, 0.3); border-radius: 100px;
    font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 24px;
}
.hero-title { font-size: clamp(40px, 6vw, 72px); font-weight: 900; color: var(--white); line-height: 1.1; margin-bottom: 24px; }
.gradient-text {
    background: var(--gradient-gold); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle { font-size: 18px; color: rgba(255,255,255,0.7); margin-bottom: 40px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 32px; border-radius: 100px; font-size: 15px; font-weight: 600;
    cursor: pointer; transition: var(--transition); border: 2px solid transparent;
}
.btn-primary { background: var(--gradient-gold); color: var(--white); box-shadow: 0 10px 30px rgba(230, 57, 70, 0.3); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(230, 57, 70, 0.4); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.3); }
.btn-outline:hover { background: var(--white); color: var(--dark); border-color: var(--white); }

.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); }
.scroll-indicator {
    width: 26px; height: 42px; border: 2px solid rgba(255,255,255,0.3); border-radius: 13px; position: relative;
}
.scroll-indicator::before {
    content: ''; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
    width: 4px; height: 8px; background: var(--gold); border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown { 0% { top: 6px; opacity: 1; } 100% { top: 24px; opacity: 0; } }

/* ==================== 通用 Section ==================== */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block; padding: 6px 16px; background: rgba(230, 57, 70, 0.08);
    color: var(--primary-red); border-radius: 100px; font-size: 12px; font-weight: 700; letter-spacing: 2px; margin-bottom: 16px;
}
.section-title { font-size: clamp(28px, 4vw, 42px); font-weight: 800; color: var(--dark); margin-bottom: 16px; }
.section-desc { font-size: 16px; color: var(--gray); max-width: 600px; margin: 0 auto; }

/* ==================== 领导风采 ==================== */
.leadership { background: var(--white); }
.leadership-pyramid { display: flex; flex-direction: column; gap: 24px; max-width: 800px; margin: 0 auto; }
.leader-card {
    display: flex; align-items: center; gap: 24px; padding: 24px;
    background: var(--light); border-radius: var(--radius); border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition); position: relative; overflow: hidden;
}
.leader-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.leader-card.highlight {
    background: var(--gradient-dark); color: var(--white); border: 1px solid var(--gold);
    box-shadow: var(--shadow-lg); transform: scale(1.02);
}
.leader-card.highlight .leader-title { color: var(--gold); }
.leader-card.highlight p { color: rgba(255,255,255,0.8); }

.leader-avatar {
    width: 80px; height: 80px; border-radius: 50%; background: var(--gradient-gold);
    display: flex; align-items: center; justify-content: center; font-size: 36px; flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(230, 57, 70, 0.2);
}
.leader-info h3 { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.leader-title { font-size: 13px; font-weight: 600; color: var(--primary-red); text-transform: uppercase; letter-spacing: 1px; display: block; margin-bottom: 12px; }
.leader-info p { font-size: 15px; color: var(--gray); font-style: italic; line-height: 1.6; }

/* ==================== 团队动态 ==================== */
.moments { background: var(--light); }
.moments-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.moment-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-sm); transition: var(--transition);
}
.moment-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.moment-img {
    height: 180px; display: flex; align-items: center; justify-content: center; font-size: 48px;
}
.gradient-1 { background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%); }
.gradient-2 { background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%); }
.gradient-3 { background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%); }
.gradient-4 { background: linear-gradient(135deg, #fccb90 0%, #d57eeb 100%); }

.moment-content { padding: 24px; }
.moment-date { font-size: 12px; color: var(--primary-red); font-weight: 600; }
.moment-content h4 { font-size: 18px; font-weight: 700; margin: 8px 0; color: var(--dark); }
.moment-content p { font-size: 14px; color: var(--gray); line-height: 1.6; }

/* ==================== 成功心得 ==================== */
.stories { background: var(--white); }
.stories-wrapper { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 32px; }
.story-card {
    background: var(--light); padding: 32px; border-radius: var(--radius); position: relative;
    border-left: 4px solid var(--gold); transition: var(--transition);
}
.story-card:hover { background: var(--white); box-shadow: var(--shadow-md); }
.quote-icon { font-size: 60px; color: rgba(244, 162, 97, 0.2); font-family: Georgia, serif; line-height: 1; position: absolute; top: 16px; right: 24px; }
.story-text { font-size: 15px; color: var(--dark-2); line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.story-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
    width: 44px; height: 44px; border-radius: 50%; background: var(--dark); color: var(--gold);
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px;
}
.story-author h5 { font-size: 15px; font-weight: 700; color: var(--dark); }
.story-author span { font-size: 12px; color: var(--gray); }

/* ==================== CTA 区域 ==================== */
.cta {
    background: var(--gradient-dark); padding: 120px 0; text-align: center; position: relative; overflow: hidden;
}
.cta::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(230, 57, 70, 0.2) 0%, transparent 70%);
}
.cta-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.cta h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; color: var(--white); margin-bottom: 20px; }
.cta p { font-size: 18px; color: rgba(255,255,255,0.8); margin-bottom: 40px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* ==================== 页脚 ==================== */
.footer { background: #111; color: rgba(255,255,255,0.6); padding: 60px 0 0; }
.footer-content {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 32px;
    padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand h3 { font-size: 24px; color: var(--white); margin-bottom: 8px; }
.footer-brand p { font-size: 14px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: var(--gold); }

.footer-bottom { padding: 24px 0; text-align: center; font-size: 13px; }
.footer-bottom a { color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-bottom a:hover { color: var(--gold); }

/* ==================== 动画与响应式 ==================== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
    .nav-menu {
        position: fixed; top: 70px; left: 0; right: 0; background: var(--dark);
        flex-direction: column; padding: 20px; gap: 8px;
        transform: translateY(-150%); transition: var(--transition); opacity: 0;
    }
    .nav-menu.active { transform: translateY(0); opacity: 1; }
    .nav-toggle { display: flex; }
    .leader-card { flex-direction: column; text-align: center; }
    .footer-content { flex-direction: column; text-align: center; }
}