:root { --gold: #c5a059; --dark: #1a1a1a; --light: #f9f9f9; --white: #ffffff; --grey: #777; --border: #eee; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Arial, sans-serif; color: #333; line-height: 1.6; background-color: var(--white); }
.container { max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* Navigation (保持一致) */
header { background: var(--white); border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 1000; }
nav { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo { font-size: 22px; font-weight: 700; color: var(--gold); letter-spacing: 2px; text-decoration: none; }
.nav-links { display: flex; gap: 25px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--dark); font-size: 14px; font-weight: 500; }
.nav-links a:hover ,.nav-links a.active {color:var(--gold);}

/* Page Banner */
.page-header { padding: 60px 0; text-align: center; background: var(--light); border-bottom: 1px solid var(--border); }
.page-header h1 { font-size: 32px; font-weight: 300; letter-spacing: 2px; margin-bottom: 10px; }
.page-header p { color: var(--grey); font-size: 14px; }

/* FAQ Categories */
.faq-nav { display: flex; justify-content: center; gap: 15px; padding: 40px 0; flex-wrap: wrap; }
.faq-tab { padding: 10px 25px; border: 1px solid #ddd; background: none; cursor: pointer; font-size: 13px; border-radius: 30px; transition: 0.3s; }
.faq-tab.active { background: var(--dark); color: white; border-color: var(--dark); }

/* Accordion Styles */
.faq-container { padding-bottom: 80px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question { padding: 25px 0; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: 0.3s; }
.faq-question h3 { font-size: 16px; font-weight: 500; color: var(--dark); padding-right: 20px; }
.faq-question i { color: var(--gold); transition: 0.3s; font-size: 14px; }

.faq-answer { max-height: 0; overflow: hidden; transition: 0.4s ease-out; color: #666; font-size: 15px; }
.faq-answer-inner { padding-bottom: 25px; }

.faq-item.active .faq-answer { max-height: 500px; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-item.active .faq-question h3 { color: var(--gold); }

/* Support Box */
.support-card { background: var(--light); padding: 40px; text-align: center; border-radius: 4px; margin-top: 40px; }
.support-card h4 { margin-bottom: 15px; font-size: 20px; }
.btn-whatsapp { background: #25d366; color: white; padding: 12px 30px; text-decoration: none; display: inline-block; border-radius: 4px; font-weight: 600; margin-top: 15px; }
footer { background: var(--dark); color: white; padding: 60px 0; text-align: center; font-size: 13px; letter-spacing: 1px; }
.whatsapp-btn { position: fixed; bottom: 30px; right: 30px; background: #25d366; color: white; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 30px; z-index: 1000; box-shadow: 0 5px 15px rgba(0,0,0,0.2); transition: 0.3s; }
.whatsapp-btn:hover { transform: scale(1.1); }
/* Mobile Adjustments */
@media (max-width: 768px) {
    .page-header h1 { font-size: 26px; }
    .faq-question h3 { font-size: 15px; }
    .nav-links { position: fixed; top: 0; right: -100%; width: 250px; height: 100vh; background: var(--white); flex-direction: column; gap: 0; padding-top: 80px; transition: 0.4s ease; box-shadow: -5px 0 15px rgba(0,0,0,0.1); z-index: 999; }
    .nav-links.active { right: 0; }
    .nav-links li { width: 100%; border-bottom: 1px solid #eee; }
    .nav-links a { display: block; padding: 20px; font-size: 16px; color: var(--dark); }
}