:root {
    --primary: #f6c24c;
    --primary-rgb: 246, 194, 76;
    --primary-dark: #dcb000; 
    --primary-light: #fff8e1;
    --primary-gradient: linear-gradient(135deg, #fbe96b 0%, #f6c24c 100%);
    
    /* 基础色板 */
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-reseller: linear-gradient(135deg, #ffffff 0%, #fffdf0 100%);
    
    --text-dark: #1a1a1a;
    --text-main: #333333;
    --text-sub: #666666;
    --text-placeholder: #999999;
    
    /* UI 规范 */
    --container-width: 1200px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-pill: 50px;
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 12px 24px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 基础重置 */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif; }
html { scroll-behavior: smooth; }
body { background-color: var(--bg-white); color: var(--text-main); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* 布局工具类 */
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 100px 0; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }

/* 通用排版 */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-title { font-size: 1.9rem; font-weight: 800; margin-bottom: 16px; color: var(--text-dark); }
.section-desc { font-size: 1.1rem; color: var(--text-sub); }
.highlight-text { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; }

/* 按钮组件 */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 36px; border-radius: var(--border-radius-pill); font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition); border: none; outline: none; gap: 8px; z-index: 2; position: relative; overflow: hidden; }
.btn::before { content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%; background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%); transform: skewX(-25deg); transition: none; pointer-events: none; }
.btn:hover::before { animation: shine 0.75s; }
@keyframes shine { 0% { left: -100%; } 100% { left: 100%; } }

.btn-primary { background: var(--primary-gradient); color: #2c2c2c; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.5); }

.btn-outline { background: transparent; border: 2px solid var(--text-main); color: var(--text-main); }
.btn-outline:hover { background: var(--text-main); color: var(--bg-white); transform: translateY(-2px); }

/* 导航栏组件 */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1001; padding: 18px 0; transition: var(--transition); background: transparent; }
.navbar + * {padding-top:100px;}
.navbar.scrolled { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px); padding: 12px 0; box-shadow: var(--shadow-sm); }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.6rem; font-weight: 800; display: flex; align-items: center; gap: 10px; color: var(--text-dark); z-index: 1002; position: relative; }
.logo i { color: var(--primary); font-size: 1.8rem; }

.nav-links { display: flex; gap: 32px; }
.nav-links a { font-weight: 500; color: var(--text-main); position: relative; padding: 5px 0; font-size: 15px; }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--primary); transition: width 0.3s ease; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-actions { display: flex; gap: 12px; align-items: center; }
.mobile-toggle { display: none; font-size: 1.6rem; color: var(--text-main); cursor: pointer; z-index: 1002; width: 40px; height: 40px; text-align: center; line-height: 40px; transition: var(--transition); }
.mobile-menu-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(10px); z-index: 1000; transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 30px; opacity: 0; visibility: hidden; }
.mobile-menu-overlay.active { transform: translateX(0); opacity: 1; visibility: visible; }
.mobile-menu-link { font-size: 1.3rem; font-weight: 600; color: var(--text-dark); position: relative; overflow: hidden; }

/* 客服悬浮组件 */
.cs-sidebar { position: fixed; right: 20px; top: 50%; transform: translateY(-50%); z-index: 990; display: flex; flex-direction: column; gap: 15px; }
@keyframes pulse-gold { 0% { box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0.7); } 70% { box-shadow: 0 0 0 15px rgba(var(--primary-rgb), 0); } 100% { box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0); } }
.cs-btn { width: 60px; height: 60px; background: var(--primary-gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--text-main); font-size: 1.6rem; position: relative; animation: pulse-gold 2s infinite; transition: color 0.3s ease; }
.cs-btn:hover { color: var(--bg-white); }
.cs-tooltip { position: absolute; right: 75px; background: var(--text-main); color: var(--bg-white); padding: 6px 12px; border-radius: 6px; font-size: 0.85rem; white-space: nowrap; opacity: 0; pointer-events: none; transition: 0.3s; transform: translateX(10px); box-shadow: var(--shadow-sm); }
.cs-tooltip::after { content: ''; position: absolute; right: -5px; top: 50%; transform: translateY(-50%); border-width: 5px 0 5px 5px; border-style: solid; border-color: transparent transparent transparent var(--text-main); }
.cs-btn:hover .cs-tooltip { opacity: 1; transform: translateX(0); }

.cs-modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); z-index: 2000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0s linear 0.3s; }
.cs-modal-overlay.active { opacity: 1; visibility: visible; transition: opacity 0.3s ease, visibility 0s linear 0s; }
.cs-modal-box { background: var(--bg-white); width: 90%; max-width: 380px; border-radius: 20px; padding: 30px; text-align: center; box-shadow: var(--shadow-lg); transform: scale(0.9); opacity: 0; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); position: relative; overflow: hidden; }
.cs-modal-overlay.active .cs-modal-box { transform: scale(1); opacity: 1; }
.cs-close-btn { position: absolute; top: 15px; right: 20px; font-size: 1.5rem; color: #ccc; cursor: pointer; transition: 0.3s; z-index: 10; }
.cs-close-btn:hover { color: var(--text-main); transform: rotate(90deg); }
.cs-header h3 { font-size: 1.3rem; color: var(--text-dark); margin-bottom: 5px; font-weight: 800; }
.cs-header p { color: #888; font-size: 0.85rem; margin-bottom: 25px; }
.cs-list { display: flex; flex-direction: column; gap: 12px; }
.cs-item { display: flex; align-items: center; padding: 12px 15px; background: var(--bg-white); border-radius: 12px; border: 1px solid #f0f0f0; transition: var(--transition); cursor: pointer; text-align: left; position: relative; overflow: hidden; }
.cs-item:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.15); }
.cs-item-icon { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; margin-right: 15px; background: rgba(var(--primary-rgb), 0.15); color: var(--primary-dark); transition: all 0.3s; }
.cs-item:hover .cs-item-icon { background: var(--primary-gradient); color: var(--bg-white); transform: scale(1.1); box-shadow: var(--shadow-glow); }
.cs-item-info h4 { font-size: 0.95rem; color: var(--text-dark); margin-bottom: 2px; font-weight: 700; transition: color 0.3s; }
.cs-item:hover .cs-item-info h4 { color: var(--primary-dark); }
.cs-item-info p { font-size: 0.8rem; color: #888; margin: 0; }
.cs-action-icon { margin-left: auto; color: #ddd; font-size: 0.9rem; transition: all 0.3s; }
.cs-item:hover .cs-action-icon { color: var(--primary); transform: translateX(4px); }
.cs-qr-panel { max-height: 0; opacity: 0; overflow: hidden; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); background: #fafafa; margin-top: 0; border-radius: 12px; }
.cs-qr-panel.show { max-height: 300px; opacity: 1; margin-top: 20px; padding: 20px; border: 1px dashed #e0e0e0; }
.cs-qr-img { width: 160px; height: 160px; margin: 0 auto 10px; display: block; border-radius: 8px; }
.cs-qr-tip { font-size: 0.85rem; color: var(--primary-dark); font-weight: 600; }

/* Toast 组件 */
.toast-container { position: fixed; top: 30px; left: 50%; transform: translateX(-50%); z-index: 3000; pointer-events: none; }
.toast { background: rgba(0,0,0,0.85); color: var(--bg-white); padding: 12px 24px; border-radius: 50px; font-size: 0.95rem; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.2); opacity: 0; transform: translateY(-20px); transition: all 0.3s; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast i { color: var(--primary); }



/* 代理商模块 */
.reseller-section { background-color: #fcfcfc; position: relative; }
.reseller-box { background: var(--bg-reseller); border: 1px solid rgba(var(--primary-rgb), 0.25); border-radius: 24px; padding: 60px; display: flex; align-items: center; justify-content: space-between; color: var(--text-dark); position: relative; overflow: hidden; box-shadow: 0 20px 50px rgba(var(--primary-rgb), 0.08); gap: 40px; }
.reseller-box::before { content: ''; position: absolute; top: -100px; right: -100px; width: 400px; height: 400px; background: var(--primary); filter: blur(120px); opacity: 0.08; border-radius: 50%; pointer-events: none; }
.reseller-content { flex: 1; z-index: 2; }
.reseller-content .section-title { text-align: left; margin: 0 0 20px 0; }
.reseller-content .section-desc { text-align: left; margin: 0 0 35px 0; max-width: 500px; }
.reseller-list { margin-bottom: 35px; }
.reseller-list li { color: var(--text-main); margin-bottom: 15px; font-size: 1.05rem; }
.reseller-list li i {  background: var(--primary-light); color: var(--primary-dark); width: 32px; height: 32px; font-size: 0.9rem;  border: 1px solid rgba(var(--primary-rgb), 0.2); }
.reseller-visual { flex: 1; display: flex; justify-content: flex-end; position: relative; z-index: 2; }
.profit-card { background: var(--bg-white); border: 1px solid #f0f0f0; border-radius: 16px; padding: 25px; width: 280px; box-shadow: 0 15px 40px rgba(0, 0, 0, 0.06); animation: float-card 4s ease-in-out infinite; }
@keyframes float-card { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
#reseller .profit-row { display: flex; align-items: center; margin-bottom: 15px; }
#reseller .profit-icon {  width: 40px; height: 40px;  background: var(--primary-gradient);  color: var(--bg-white); border-radius: 10px; display: flex; align-items: center; justify-content: center;  font-size: 1.2rem; margin-right: 15px;  box-shadow: var(--shadow-glow);  }
#reseller .profit-row:nth-child(2) .profit-icon { background: rgba(var(--primary-rgb), 0.15); color: var(--primary-dark); box-shadow: none; }
#reseller .profit-text span { display: block; font-size: 0.85rem; color: #888; }
#reseller .profit-text strong { font-size: 1.4rem; color: var(--text-dark); font-family: 'Roboto', sans-serif; }
#reseller .profit-chart { height: 6px; background: #f0f0f0; border-radius: 3px; overflow: hidden; margin-top: 10px; }
#reseller .profit-bar { height: 100%; width: 75%; background: var(--primary); border-radius: 3px; }
#reseller .check-list li { margin-bottom: 12px; display: flex; align-items: center; font-weight: 500; color: var(--text-main); }
#reseller .check-list li i { margin-right: 12px; color: var(--primary); background: var(--bg-white); border: 1px solid var(--primary); width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; }

/* FAQ */
.faq-section { background: var(--bg-white); }
.faq-item { background: var(--bg-white); border: 1px solid #f0f0f0; border-radius: 8px; margin-bottom: 16px; overflow: hidden; transition: all 0.3s; }
.faq-item:hover { border-color: rgba(var(--primary-rgb), 0.3); box-shadow: var(--shadow-sm); }
.faq-item.active { border-color: var(--primary); background: #fffdf5; }
.faq-header { padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-size: 1.05rem; }
.faq-header i { transition: transform 0.3s; color: var(--primary); }
.faq-item.active .faq-header i { transform: rotate(180deg); }
.faq-body { height: 0; overflow: hidden; transition: height 0.3s ease-out; padding: 0 24px; color: var(--text-sub); line-height: 1.6; }

/* CTA */
.cta-section { padding: 100px 0; position: relative; overflow: hidden; background: #111; color: var(--bg-white); }
.cta-bg-layer { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at 50% -20%, #2a2a2a 0%, #0a0a0a 100%); z-index: 1; }
.cta-grid-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px); background-size: 50px 50px; opacity: 0.5; z-index: 2; }
.cta-glow { position: absolute; width: 600px; height: 600px; background: var(--primary); opacity: 0.08; border-radius: 50%; filter: blur(100px); z-index: 2; }
.glow-1 { top: -200px; left: -100px; }
.glow-2 { bottom: -200px; right: -100px; background: var(--bg-white); opacity: 0.05; }
.cta-content-wrapper { position: relative; z-index: 10; display: flex; flex-direction: column; align-items: center; text-align: center; max-width: 800px; margin: 0 auto; }
.cta-label { color: var(--primary); font-size: 0.9rem; letter-spacing: 2px; font-weight: 700; text-transform: uppercase; margin-bottom: 20px; padding: 6px 16px; background: rgba(var(--primary-rgb), 0.1); border: 1px solid rgba(var(--primary-rgb), 0.3); border-radius: 30px; display: inline-block; }
.cta-title { font-size: 3rem; font-weight: 800; margin-bottom: 20px; line-height: 1.2; background: linear-gradient(180deg, #fff 0%, #bbb 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.cta-desc { font-size: 1.2rem; color: #888; margin-bottom: 40px; max-width: 600px; }
.btn-glow { background: var(--primary); color: #000; padding: 18px 48px; font-size: 1.1rem; font-weight: 800; border-radius: 8px; box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.4); transition: all 0.3s; border: none; cursor: pointer; position: relative; z-index: 10; text-transform: uppercase; letter-spacing: 0.5px; }
.btn-glow:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 0 40px rgba(var(--primary-rgb), 0.6); background: var(--bg-white); }

        

/* 页脚组件 */
footer { background: #1a1f24; color: #fff; padding: 80px 0 30px; }
.footer-logo { color: #fff; font-size: 1.5rem; font-weight: 800; margin-bottom: 20px; display: inline-flex; align-items: center; gap: 10px; }
.footer-grid { display: grid; grid-template-columns: 2fr 3fr; gap: 48px; margin-bottom: 60px; }
.footer-links-container { display: grid; grid-template-columns: 1fr 1fr 1fr; }
.footer-desc { color: #889097; font-size: 0.95rem; max-width: 300px; margin-top: 20px; }
.footer-title { margin-bottom: 24px; font-size: 1.1rem; color: #fff; }
.footer-links li { margin-bottom: 14px; }
.footer-links a { color: #889097; transition: 0.3s; font-size: 0.95rem; }
.footer-links a:hover { color: var(--primary); padding-left: 5px; }
.copyright { border-top: 1px solid #333; padding-top: 30px; text-align: center; color: #666; font-size: 0.9rem; }



/* 响应式调整 */
@media (max-width: 992px) {
    ul.check-list { display: inline-block; }
    .hero-text>div{justify-content:center;!important}
    .nav-links, .nav-actions { display: none; }
    .mobile-toggle { display: block; }
    .cta-title { font-size: 2.2rem; }
    .cs-sidebar { bottom: 30px; top: auto; transform: none; right: 20px; flex-direction: row-reverse; }
    .cs-tooltip { display: none; } 
    .footer-links-container { display: grid; grid: 150px / auto auto auto; gap: 5px; text-align: center; }
}
@media (max-width: 768px) {
    .footer-grid { display: grid; grid-template-columns: 1fr; gap: 20px; text-align: center; justify-content: center; }
    .footer-links-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; text-align: center; }
    .footer-col:nth-child(2), .footer-col:nth-child(3), .footer-col:nth-child(4) { grid-column: unset; text-align: center; }
    .footer-col>div{ justify-content: center; }
    .footer-logo { justify-content: center; }
    .footer-desc { margin: 15px auto 0; text-align: center; }
}