/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif; color: #333; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s;
    border: 2px solid transparent;
}
.btn-primary { background: #2A9D6F; color: #fff; }
.btn-primary:hover { background: #06ad56; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(7,193,96,0.35); }
.btn-outline { border-color: #2A9D6F; color: #2A9D6F; }
.btn-outline:hover { background: #2A9D6F; color: #fff; }
.btn-white { background: #fff; color: #2A9D6F; border-color: #fff; }
.btn-white:hover { background: rgba(255,255,255,0.9); }
.btn-lg { padding: 16px 40px; font-size: 16px; border-radius: 10px; }

/* Header */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.08);
    transition: all 0.3s;
}
.nav {
    display: flex;
    align-items: center;
    height: 64px;
    gap: 40px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
}
.logo-icon { font-size: 24px; }
.nav-links { flex: 1; display: flex; gap: 32px; }
.nav-links a { font-size: 14px; color: #555; transition: color 0.2s; }
.nav-links a:hover { color: #2A9D6F; }
.nav-btns { display: flex; gap: 12px; }

/* Section */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-title { font-size: 36px; font-weight: 700; color: #1a1a1a; margin-bottom: 16px; }
.section-desc { font-size: 16px; color: #777; max-width: 500px; margin: 0 auto; }

/* Hero */
.hero {
    padding-top: 80px;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #f0fdf4 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}
.hero-content {
    display: flex;
    align-items: center;
    gap: 80px;
    padding: 60px 0;
}
.hero-text { flex: 1; }
.hero-badge {
    display: inline-block;
    background: #dcfce7;
    color: #16a34a;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}
.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: #1a1a1a;
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero-title .highlight { color: #2A9D6F; }
.hero-desc { font-size: 18px; color: #666; margin-bottom: 36px; line-height: 1.7; }
.hero-btns { display: flex; gap: 16px; margin-bottom: 48px; }
.hero-stats { display: flex; align-items: center; gap: 32px; }
.stat-item { text-align: center; }
.stat-num { font-size: 28px; font-weight: 800; color: #2A9D6F; }
.stat-lbl { font-size: 13px; color: #999; margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: #e0e0e0; }

/* Phone mockup */
.hero-image { flex-shrink: 0; }
.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 40px 80px rgba(0,0,0,0.25);
}
.phone-screen {
    width: 100%;
    height: 100%;
    background: #f5f5f5;
    border-radius: 30px;
    overflow: hidden;
}
.app-preview { padding: 16px 12px; }
.app-header-preview {
    background: #2A9D6F;
    color: #fff;
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}
.app-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}
.app-cell {
    padding: 16px 8px;
    border-radius: 10px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
}
.app-cell.sell { background: #e7f9ef; color: #2A9D6F; }
.app-cell.buy { background: #fff1eb; color: #FF6B35; }
.app-cell.appt { background: #eef1fd; color: #5B7FF0; }
.app-cell.vip { background: #fff8e6; color: #FFB800; }
.app-cats { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-dot {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 11px;
    color: #555;
}

/* Features */
.features { background: #fff; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.feature-card {
    background: #fafafa;
    border-radius: 16px;
    padding: 32px 28px;
    transition: transform 0.25s, box-shadow 0.25s;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}
.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 20px;
}
.feature-card h3 { font-size: 20px; color: #1a1a1a; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: #777; line-height: 1.7; }

/* Categories */
.categories { background: #f8f9fa; }
.categories-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 16px;
}
.category-item {
    background: #fff;
    border-radius: 12px;
    padding: 20px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s;
    border: 2px solid transparent;
}
.category-item:hover {
    border-color: #2A9D6F;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(7,193,96,0.15);
}
.cat-icon { font-size: 32px; margin-bottom: 8px; }
.cat-name { font-size: 14px; font-weight: 600; color: #333; margin-bottom: 4px; }
.cat-sub { font-size: 11px; color: #999; }

/* How it works */
.how-it-works { background: #fff; }
.steps-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}
.step {
    flex: 1;
    max-width: 300px;
    text-align: center;
    background: #f8f9fa;
    border-radius: 20px;
    padding: 40px 32px;
}
.step-num {
    font-size: 48px;
    font-weight: 900;
    color: #e8f5e9;
    line-height: 1;
    margin-bottom: 8px;
}
.step-icon { font-size: 40px; margin-bottom: 16px; }
.step h3 { font-size: 20px; color: #1a1a1a; margin-bottom: 12px; }
.step p { font-size: 14px; color: #777; line-height: 1.7; }
.step-arrow { font-size: 32px; color: #2A9D6F; flex-shrink: 0; }

/* Pricing */
.pricing { background: #f8f9fa; }
.pricing-grid { display: flex; gap: 24px; justify-content: center; margin-bottom: 24px; }
.pricing-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    width: 300px;
    border: 2px solid #eee;
    position: relative;
    transition: all 0.25s;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.1); }
.pricing-card.featured {
    border-color: #2A9D6F;
    box-shadow: 0 16px 40px rgba(7,193,96,0.2);
    transform: scale(1.03);
}
.pricing-badge {
    position: absolute;
    top: -1px;
    right: 28px;
    background: #FF6B35;
    color: #fff;
    font-size: 12px;
    padding: 4px 16px;
    border-radius: 0 0 10px 10px;
    font-weight: 600;
}
.pricing-name { font-size: 22px; font-weight: 700; color: #333; margin-bottom: 12px; }
.pricing-price { font-size: 20px; color: #FF4444; font-weight: 700; margin-bottom: 4px; }
.pricing-price span { font-size: 44px; }
.pricing-original { font-size: 13px; color: #bbb; text-decoration: line-through; margin-bottom: 8px; }
.pricing-days { font-size: 14px; color: #2A9D6F; font-weight: 600; margin-bottom: 24px; }
.pricing-features { text-align: left; margin-bottom: 28px; }
.pricing-features li { font-size: 14px; color: #555; padding: 6px 0; border-bottom: 1px solid #f5f5f5; }
.pricing-btn { width: 100%; text-align: center; }
.pricing-tip { text-align: center; font-size: 13px; color: #999; }

/* Download */
.download { background: linear-gradient(135deg, #2A9D6F 0%, #1D7A4F 100%); color: #fff; }
.download-content { text-align: center; }
.download-content h2 { font-size: 40px; font-weight: 800; margin-bottom: 16px; }
.download-content p { font-size: 18px; opacity: 0.9; margin-bottom: 40px; }
.download-btns { display: flex; gap: 20px; justify-content: center; margin-bottom: 40px; }
.contact-info { font-size: 14px; opacity: 0.8; }

/* Footer */
.footer { background: #001529; color: rgba(255,255,255,0.65); padding: 60px 0 24px; }
.footer-content { display: flex; gap: 80px; margin-bottom: 40px; }
.footer-brand { flex: 1.5; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links h4 { color: #fff; font-size: 16px; margin-bottom: 4px; }
.footer-links a { font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 13px; }

/* Responsive */
@media (max-width: 768px) {
    .hero-content { flex-direction: column; gap: 40px; }
    .hero-image { display: none; }
    .hero-title { font-size: 36px; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .categories-grid { grid-template-columns: repeat(4, 1fr); }
    .steps-wrapper { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .pricing-grid { flex-direction: column; align-items: center; }
    .pricing-card.featured { transform: none; }
    .nav-links { display: none; }
    .footer-content { flex-direction: column; gap: 32px; }
}