/* roulang page: index */
:root {
  --primary: #0E8C6D;
  --primary-dark: #0A6B52;
  --primary-light: #DFF2EC;
  --accent: #F2A93B;
  --accent-dark: #D98E1F;
  --accent-light: #FEF1D6;
  --bg: #F6F7F4;
  --card-bg: #FFFFFF;
  --text: #18221D;
  --text-secondary: #5B6A64;
  --border: #DDE5E1;
  --success: #2E8B57;
  --danger: #D64545;
  --info: #2F6F8F;
  --warning: #D98E1F;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(24,34,29,0.06);
  --shadow-md: 0 8px 24px rgba(24,34,29,0.10);
  --shadow-lg: 0 16px 40px rgba(24,34,29,0.14);
  --space-section: 96px;
  --font-family: 'PingFang SC','HarmonyOS Sans','Microsoft YaHei','Noto Sans SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-family);font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (max-width:768px){.container{padding-left:16px;padding-right:16px}}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;border:2px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap}
.btn:focus-visible{outline:2px solid rgba(14,140,109,0.6);outline-offset:2px}
.btn:active{transform:scale(0.98)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#18221D}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(242,169,59,0.35)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,0.7);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,0.12);border-color:#fff;transform:translateY(-1px)}
.btn-dark-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-dark-outline:hover{background:var(--primary-light);border-color:var(--primary)}
.btn-block{width:100%}
@media (max-width:520px){.btn{padding:0 18px;font-size:14px}}

/* ===== 徽章 ===== */
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--primary-light);color:var(--primary-dark);line-height:1.6}
.badge-accent{background:var(--accent-light);color:var(--accent-dark)}
.badge-gray{background:#EEF1EE;color:var(--text-secondary)}

/* ===== 页面标题 ===== */
.section-title{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-0.5px;color:var(--text);text-align:center}
.section-subtitle{font-size:16px;color:var(--text-secondary);text-align:center;margin-top:8px;max-width:680px;margin-left:auto;margin-right:auto}
.section-head{margin-bottom:48px}
@media (max-width:768px){.section-title{font-size:26px}.section-head{margin-bottom:32px}}

/* ===== 区块通用 ===== */
.section{padding:var(--space-section) 0}
.section-bg-light{background:var(--bg)}
.section-bg-white{background:#fff}
.section-bg-primary-light{background:var(--primary-light)}
@media (max-width:768px){.section{padding:64px 0}}

/* ===== Header 双层导航 ===== */
.site-header{position:relative;z-index:100;background:#fff;box-shadow:0 1px 0 var(--border)}
.header-top{height:64px;display:flex;align-items:center;background:#fff}
.header-top .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand-logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0}
.brand-name{font-size:24px;font-weight:700;color:var(--primary-dark);letter-spacing:1px}
.brand-sub{font-size:14px;color:var(--text-secondary);font-weight:500;background:var(--primary-light);padding:2px 10px;border-radius:999px;line-height:1.6}
.header-actions{display:flex;align-items:center;gap:14px}
.search-box{position:relative;width:220px}
.search-box input{width:100%;height:40px;border:1px solid var(--border);border-radius:999px;padding:0 44px 0 18px;font-size:14px;background:var(--bg);transition:border-color .2s,box-shadow .2s}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,140,109,0.15);background:#fff}
.search-box button{position:absolute;right:4px;top:4px;width:32px;height:32px;border:none;border-radius:50%;background:transparent;color:var(--text-secondary);cursor:pointer;transition:color .2s}
.search-box button:hover{color:var(--primary)}
.header-nav{height:48px;background:var(--bg);border-top:1px solid var(--border);display:flex;align-items:center}
.header-nav .container{display:flex;align-items:center;width:100%}
.nav-tabs{display:flex;gap:8px;align-items:center;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;white-space:nowrap;width:100%}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{display:inline-flex;align-items:center;height:36px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:500;color:var(--text-secondary);transition:all .22s ease;flex-shrink:0}
.nav-tab i{margin-right:6px;font-size:14px}
.nav-tab:hover{background:#EFF3F0;color:var(--primary-dark)}
.nav-tab.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;box-shadow:inset 0 0 0 1px rgba(14,140,109,0.2)}
@media (max-width:768px){
  .header-top{height:60px}
  .brand-name{font-size:20px}
  .brand-sub{font-size:12px;padding:1px 8px}
  .search-box{width:160px}
  .search-box input{padding-left:14px;font-size:13px}
  .header-top .btn{padding:0 14px;height:38px;font-size:13px}
  .header-nav{height:auto;padding:8px 0}
}
@media (max-width:520px){
  .brand-name{font-size:18px}
  .brand-sub{display:none}
  .search-box{width:130px}
  .header-top .btn span.btn-text{display:none}
  .header-top .btn{padding:0 14px}
}

/* ===== Hero ===== */
.hero{position:relative;background:#0A4C3D;color:#fff;padding:96px 0;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(8,38,30,0.88) 0%,rgba(8,38,30,0.72) 50%,rgba(8,38,30,0.35) 100%)}
.hero-content{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-light);color:var(--accent-dark);font-size:13px;font-weight:700;padding:4px 16px;border-radius:var(--radius-sm);margin-bottom:24px}
.hero-badge i{font-size:14px}
.hero-title{font-size:46px;font-weight:700;line-height:1.3;color:#fff;margin-bottom:20px;letter-spacing:0}
.hero-title .highlight{color:var(--accent)}
.hero-subtitle{font-size:18px;color:rgba(255,255,255,0.9);margin-bottom:36px;max-width:520px;line-height:1.7}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-card{position:relative;z-index:2;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.18);border-radius:var(--radius-lg);padding:32px;backdrop-filter:none;margin-top:24px;max-width:480px}
.hero-card-stats{display:flex;gap:24px;flex-wrap:wrap}
.hero-stat-num{font-size:32px;font-weight:700;color:var(--accent);line-height:1.2}
.hero-stat-label{font-size:14px;color:rgba(255,255,255,0.8)}
@media (max-width:1024px){
  .hero{padding:72px 0}
  .hero-title{font-size:40px}
  .hero-card{max-width:100%}
}
@media (max-width:768px){
  .hero{padding:56px 0}
  .hero-title{font-size:30px}
  .hero-subtitle{font-size:16px}
  .hero-actions{gap:12px}
}
@media (max-width:520px){
  .hero-title{font-size:26px}
  .hero-subtitle{font-size:15px}
  .hero-badge{font-size:12px;padding:3px 12px}
  .hero-actions .btn{width:100%}
}

/* ===== 快捷入口条 ===== */
.quick-access{background:#fff;padding:32px 0;border-bottom:1px solid var(--border);margin-top:-1px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.quick-item{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:var(--radius-md);background:var(--bg);border:1px solid var(--border);transition:all .22s ease}
.quick-item:hover{background:var(--primary-light);border-color:var(--primary);transform:translateY(-2px)}
.quick-item i{font-size:24px;color:var(--primary);width:40px;height:40px;border-radius:10px;background:rgba(14,140,109,0.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.quick-item span{font-weight:600;font-size:15px;color:var(--text)}
@media (max-width:1024px){
  .quick-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .quick-grid{grid-template-columns:1fr}
}

/* ===== 最新信息 ===== */
.news-card{display:flex;gap:20px;background:var(--card-bg);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--border);margin-bottom:16px;transition:all .25s ease}
.news-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.news-card:hover .news-title{color:var(--primary)}
.news-thumb{width:200px;height:140px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--primary-light)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{flex:1;display:flex;flex-direction:column;justify-content:center}
.news-body .badge{margin-bottom:8px;align-self:flex-start}
.news-title{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;transition:color .2s ease;color:var(--text)}
.news-summary{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-secondary)}
.news-meta i{margin-right:4px}
.empty-state{display:flex;align-items:center;justify-content:center;border:2px dashed var(--border);border-radius:var(--radius-md);background:var(--bg);padding:48px 24px;font-size:15px;color:var(--text-secondary);text-align:center}
@media (max-width:768px){
  .news-card{flex-direction:column;padding:16px}
  .news-thumb{width:100%;height:180px}
}
@media (max-width:520px){
  .news-summary{display:none}
  .news-title{font-size:16px}
  .news-thumb{height:150px}
}

/* ===== 优惠阶梯 ===== */
.tier-section{background:var(--bg)}
.tier-cards{display:flex;gap:24px;align-items:center;justify-content:center}
.tier-card{background:var(--card-bg);border-radius:var(--radius-lg);padding:40px 28px;flex:1;max-width:360px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all .28s ease;position:relative}
.tier-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.tier-card.featured{background:var(--primary-dark);color:#fff;transform:scale(1.05);border-color:transparent;z-index:2;box-shadow:var(--shadow-lg)}
.tier-card.featured:hover{transform:scale(1.05) translateY(-4px)}
.tier-card.featured .tier-number{color:rgba(255,255,255,0.18)}
.tier-card.featured .tier-title{color:#fff}
.tier-card.featured .tier-desc{color:rgba(255,255,255,0.85)}
.tier-card.featured .tier-point li::before{color:var(--accent)}
.tier-card.featured .tier-point li{color:rgba(255,255,255,0.92)}
.tier-card.featured .tier-cta .btn{background:var(--accent);border-color:var(--accent);color:var(--text)}
.tier-card.featured .tier-cta .btn:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}
.tier-number{font-size:72px;font-weight:800;color:rgba(14,140,109,0.08);line-height:1;position:absolute;top:20px;right:24px;letter-spacing:-2px}
.tier-tag{display:inline-block;background:var(--accent);color:var(--text);font-size:12px;font-weight:700;padding:3px 14px;border-radius:999px;margin-bottom:12px}
.tier-title{font-size:22px;font-weight:700;color:var(--text);margin-bottom:12px}
.tier-desc{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px}
.tier-point{list-style:none;padding:0;margin-bottom:28px}
.tier-point li{position:relative;padding-left:26px;font-size:14px;color:var(--text-secondary);margin-bottom:10px;line-height:1.6}
.tier-point li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:var(--primary);font-size:13px}
.tier-cta{margin-top:auto}
@media (max-width:1024px){
  .tier-cards{flex-wrap:wrap}
  .tier-card{max-width:100%;flex:1 1 calc(50% - 24px)}
  .tier-card.featured{order:0}
}
@media (max-width:768px){
  .tier-card{flex:1 1 100%;transform:none}
  .tier-card.featured{transform:none}
  .tier-card.featured:hover{transform:translateY(-4px)}
}

/* ===== 套餐对比 ===== */
.plans-table-wrap{overflow-x:auto;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border);background:#fff}
.plans-table{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
.plans-table th,.plans-table td{padding:18px 20px;text-align:center;border-bottom:1px solid var(--border)}
.plans-table th{background:var(--bg);font-weight:600;color:var(--text);font-size:16px}
.plans-table td:first-child{text-align:left;font-weight:600;color:var(--text);background:#FAFBFA}
.plans-table tr:last-child td{border-bottom:none}
.plans-table .plan-col-recommend{background:var(--primary-light);border-left:2px solid var(--primary);border-right:2px solid var(--primary);position:relative}
.plans-table .plan-header-cell{position:relative;padding-top:32px}
.plans-table .plan-recommend-tag{position:absolute;top:0;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--text);font-size:12px;font-weight:700;padding:2px 14px;border-radius:0 0 8px 8px;white-space:nowrap}
.plans-table .price-now{font-size:24px;font-weight:700;color:var(--primary)}
.plans-table .price-origin{font-size:14px;color:var(--text-secondary);text-decoration:line-through;margin-left:6px}
.plans-table .plan-btn{margin-top:8px}
.plans-note{text-align:center;font-size:13px;color:var(--text-secondary);margin-top:16px}
@media (max-width:768px){
  .plans-table-wrap{margin:0 -16px;border-radius:0;border-left:none;border-right:none}
}

/* ===== 限时入口 ===== */
.limited-section{position:relative;background:var(--text);background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;color:#fff;padding:80px 0}
.limited-section::before{content:"";position:absolute;inset:0;background:rgba(24,34,29,0.78)}
.limited-content{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.limited-badge{display:inline-block;background:var(--accent);color:var(--text);font-size:14px;font-weight:700;padding:4px 20px;border-radius:999px;margin-bottom:20px}
.limited-title{font-size:36px;font-weight:700;line-height:1.3;margin-bottom:16px}
.limited-desc{font-size:16px;color:rgba(255,255,255,0.85);margin-bottom:32px}
.countdown{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.countdown-item{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius-md);padding:16px 24px;min-width:80px}
.countdown-num{font-size:36px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--accent);line-height:1.2}
.countdown-label{font-size:13px;color:rgba(255,255,255,0.75)}
.limited-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media (max-width:768px){
  .limited-title{font-size:28px}
  .countdown{gap:10px}
  .countdown-item{padding:12px 16px;min-width:64px}
  .countdown-num{font-size:28px}
}
@media (max-width:520px){
  .limited-section{padding:56px 0}
  .limited-cta .btn{width:100%}
}

/* ===== 咨询表单 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.contact-info-card{background:var(--primary-dark);color:#fff;border-radius:var(--radius-lg);padding:36px;position:relative;overflow:hidden}
.contact-info-card::after{content:"";position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,0.06)}
.contact-info-title{font-size:24px;font-weight:700;margin-bottom:8px}
.contact-info-desc{font-size:14px;color:rgba(255,255,255,0.8);margin-bottom:28px}
.contact-info-list{list-style:none;padding:0;margin-bottom:28px}
.contact-info-list li{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px;font-size:15px}
.contact-info-list li i{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,0.12);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent)}
.contact-info-list li span{line-height:1.6}
.contact-info-list li small{display:block;font-size:13px;color:rgba(255,255,255,0.65)}
.contact-form-wrap{background:var(--card-bg);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group label span{color:var(--danger)}
.form-control{width:100%;height:48px;border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 16px;font-size:15px;background:#fff;transition:border-color .2s,box-shadow .2s}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,140,109,0.15)}
textarea.form-control{height:auto;padding:12px 16px;min-height:120px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-privacy{font-size:13px;color:var(--text-secondary);margin-top:12px;text-align:center;line-height:1.6}
@media (max-width:1024px){
  .contact-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:520px){
  .contact-info-card,.contact-form-wrap{padding:24px}
  .form-row{grid-template-columns:1fr}
}

/* ===== FAQ ===== */
.faq-section{background:var(--bg)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease}
.faq-item:hover{border-color:var(--primary)}
.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);gap:16px;background:none;border:none;width:100%;text-align:left;transition:color .2s ease}
.faq-question i{font-size:14px;color:var(--primary);transition:transform .25s ease;flex-shrink:0}
.faq-item.active .faq-question{color:var(--primary-dark)}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-answer-inner{padding:0 24px 20px;font-size:14px;color:var(--text-secondary);line-height:1.75}
.faq-item.active .faq-answer{max-height:300px}
@media (max-width:520px){
  .faq-question{padding:16px;font-size:15px}
  .faq-answer-inner{padding:0 16px 16px}
}

/* ===== Footer ===== */
.site-footer{background:var(--text);color:rgba(255,255,255,0.75);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px}
.footer-brand-name{font-size:22px;font-weight:700;color:#fff;margin-bottom:8px}
.footer-brand-name span{color:var(--accent)}
.footer-brand-desc{font-size:14px;line-height:1.7;margin-bottom:20px}
.footer-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{list-style:none;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,0.75);transition:color .2s ease}
.footer-links a:hover{color:var(--accent)}
.footer-contact{list-style:none;padding:0;font-size:14px}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start}
.footer-contact i{margin-top:4px;color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,0.5)}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom-inner{flex-direction:column;text-align:center}
}

/* ===== 返回顶部 ===== */
.back-top{position:fixed;bottom:24px;right:24px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;z-index:99;transition:all .25s ease;opacity:0;visibility:hidden;transform:translateY(8px)}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--primary-dark);transform:translateY(-2px)}
@media (max-width:520px){
  .back-top{bottom:16px;right:16px}
}

/* roulang page: category1 */
/* ============ Design Variables ============ */
    :root {
      --primary: #0E8C6D;
      --primary-dark: #0A6B52;
      --primary-light: #DFF2EC;
      --primary-lighter: #edf8f4;
      --secondary: #F2A93B;
      --secondary-dark: #D98E1F;
      --secondary-light: #FEF1D6;
      --bg: #F6F7F4;
      --bg-white: #FFFFFF;
      --text: #18221D;
      --text-muted: #5B6A64;
      --border: #DDE5E1;
      --success: #2E8B57;
      --danger: #D64545;
      --info: #2F6F8F;
      --warning: #D98E1F;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-pill: 999px;
      --shadow-sm: 0 1px 2px rgba(24, 34, 29, 0.06);
      --shadow-md: 0 8px 24px rgba(24, 34, 29, 0.1);
      --shadow-lg: 0 16px 40px rgba(24, 34, 29, 0.14);
      --focus-ring: 0 0 0 3px rgba(14, 140, 109, 0.4);
      --transition: 0.25s ease;
      --container-width: 1200px;
      --space-section: 96px;
    }

    /* ============ Reset & Base ============ */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background-color: var(--bg);
      -webkit-font-smoothing: antialiased;
      font-feature-settings: "tnum";
    }

    img {
      max-width: 100%;
      display: block;
      object-fit: cover;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color var(--transition);
    }

    a:hover {
      color: var(--primary-dark);
    }

    a:focus-visible {
      outline: none;
      box-shadow: var(--focus-ring);
      border-radius: 4px;
    }

    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
    }

    button:focus-visible {
      outline: none;
      box-shadow: var(--focus-ring);
      border-radius: var(--radius-sm);
    }

    ul,
    ol {
      list-style: none;
    }

    /* ============ Container ============ */
    .container {
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ============ Buttons ============ */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      line-height: 1.4;
      border: 2px solid transparent;
      transition: background-color var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
      min-height: 44px;
      white-space: nowrap;
    }

    .btn:active {
      transform: scale(0.98);
    }

    .btn-primary {
      background-color: var(--primary);
      color: #fff;
    }

    .btn-primary:hover {
      background-color: var(--primary-dark);
      color: #fff;
      box-shadow: var(--shadow-sm);
    }

    .btn-warm {
      background-color: var(--secondary);
      color: var(--text);
      border-color: var(--secondary);
    }

    .btn-warm:hover {
      background-color: var(--secondary-dark);
      border-color: var(--secondary-dark);
      color: #fff;
    }

    .btn-outline {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.8);
      color: #fff;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #fff;
      color: #fff;
    }

    .btn-dark-outline {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-dark-outline:hover {
      background: var(--primary-light);
      color: var(--primary-dark);
    }

    /* ============ Header ============ */
    .site-header {
      background: #fff;
      box-shadow: var(--shadow-sm);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .header-top {
      border-bottom: 1px solid var(--border);
    }

    .header-top .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: 64px;
    }

    .brand-logo {
      display: inline-flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      padding: 6px 0;
      border-radius: var(--radius-sm);
    }

    .brand-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      letter-spacing: 1px;
      line-height: 1.25;
      transition: color var(--transition);
    }

    .brand-sub {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      background: var(--primary-light);
      padding: 0 8px;
      border-radius: var(--radius-pill);
      line-height: 20px;
      display: inline-block;
      margin-top: 2px;
    }

    .brand-logo:hover .brand-name {
      color: var(--primary);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-box {
      display: flex;
      align-items: center;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      padding: 0 6px 0 16px;
      height: 40px;
      width: 220px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .search-box:focus-within {
      border-color: var(--primary);
      box-shadow: var(--focus-ring);
      background: #fff;
    }

    .search-box input {
      flex: 1;
      border: none;
      background: transparent;
      font-size: 14px;
      color: var(--text);
      outline: none;
      min-width: 0;
    }

    .search-box input::placeholder {
      color: var(--text-muted);
    }

    .search-box button {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-size: 13px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background var(--transition);
      flex-shrink: 0;
    }

    .search-box button:hover {
      background: var(--primary-dark);
    }

    .header-actions .btn {
      padding: 9px 18px;
      font-size: 14px;
    }

    .header-nav {
      background: var(--bg);
      border-bottom: 1px solid var(--border);
    }

    .nav-tabs {
      display: flex;
      align-items: center;
      gap: 8px;
      min-height: 48px;
      flex-wrap: nowrap;
      overflow-x: auto;
      scrollbar-width: thin;
      scrollbar-color: var(--border) transparent;
    }

    .nav-tabs::-webkit-scrollbar {
      height: 3px;
    }

    .nav-tabs::-webkit-scrollbar-thumb {
      background: var(--border);
      border-radius: 999px;
    }

    .nav-tabs::-webkit-scrollbar-track {
      background: transparent;
    }

    .nav-tab {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      border-radius: var(--radius-pill);
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      background: transparent;
      transition: background var(--transition), color var(--transition);
      white-space: nowrap;
      border: 1px solid transparent;
    }

    .nav-tab i {
      font-size: 13px;
      color: var(--text-muted);
      transition: color var(--transition);
    }

    .nav-tab:hover {
      background: #fff;
      color: var(--primary);
      border-color: var(--border);
    }

    .nav-tab:hover i {
      color: var(--primary);
    }

    .nav-tab.active {
      background: var(--primary-light);
      color: var(--primary-dark);
      font-weight: 600;
      border-color: transparent;
    }

    .nav-tab.active i {
      color: var(--primary);
    }

    /* ============ Page Hero ============ */
    .page-hero {
      background: linear-gradient(135deg, rgba(10, 107, 82, 0.92), rgba(14, 140, 109, 0.85)), url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      color: #fff;
      padding: 72px 0 80px;
      position: relative;
      overflow: hidden;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      right: -100px;
      bottom: -100px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(242, 169, 59, 0.18);
      pointer-events: none;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      align-items: center;
      gap: 48px;
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.82);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .breadcrumb a {
      color: inherit;
    }

    .breadcrumb a:hover {
      color: #fff;
      text-decoration: underline;
    }

    .page-hero h1 {
      font-size: 44px;
      line-height: 1.25;
      font-weight: 700;
      letter-spacing: 2px;
      margin-bottom: 16px;
    }

    .hero-sub {
      font-size: 18px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.92);
      margin-bottom: 28px;
      max-width: 560px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 36px;
    }

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.25);
      padding-top: 24px;
    }

    .hero-stats li {
      display: flex;
      flex-direction: column;
    }

    .stat-num {
      font-size: 28px;
      font-weight: 700;
      line-height: 1.2;
      color: var(--secondary);
    }

    .stat-label {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.8);
    }

    .hero-image {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .hero-image img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    .hero-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(24, 34, 29, 0.35), transparent 60%);
      pointer-events: none;
    }

    /* ============ Layout Wrap ============ */
    .layout-wrap {
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 48px;
      padding: 56px 0 72px;
      align-items: start;
    }

    .toc-sidebar {
      position: sticky;
      top: 80px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .toc-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      padding: 20px;
    }

    .toc-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .toc-title::before {
      content: "";
      width: 4px;
      height: 18px;
      background: var(--primary);
      border-radius: 999px;
    }

    .toc-card nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .toc-card nav a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 9px 10px;
      border-radius: var(--radius-sm);
      color: var(--text-muted);
      font-size: 14px;
      transition: background var(--transition), color var(--transition);
    }

    .toc-card nav a i {
      font-size: 11px;
      color: var(--border);
      transition: color var(--transition), transform var(--transition);
    }

    .toc-card nav a:hover {
      background: var(--primary-lighter);
      color: var(--primary-dark);
    }

    .toc-card nav a:hover i {
      color: var(--primary);
      transform: translateX(2px);
    }

    .toc-cta {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--primary);
      color: #fff;
      border-radius: var(--radius-sm);
      padding: 14px 20px;
      font-weight: 600;
      font-size: 15px;
      transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .toc-cta:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    .toc-cta i {
      font-size: 13px;
    }

    /* ============ Content Blocks ============ */
    .page-content {
      min-width: 0;
    }

    .content-block {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      padding: 32px;
      margin-bottom: 24px;
      scroll-margin-top: 80px;
    }

    .content-block-title {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 24px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 8px;
      color: var(--text);
    }

    .content-block-title .num {
      width: 36px;
      height: 36px;
      background: var(--primary-light);
      color: var(--primary-dark);
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      font-weight: 700;
      flex-shrink: 0;
    }

    .content-block-desc {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 24px;
      padding-left: 48px;
    }

    /* ============ Login Methods ============ */
    .method-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .method-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }

    .method-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .method-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 14px;
      transition: background var(--transition), color var(--transition);
    }

    .method-card:hover .method-icon {
      background: var(--primary);
      color: #fff;
    }

    .method-card h3 {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .method-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ============ Login Steps ============ */
    .steps-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      counter-reset: steps;
    }

    .step-item {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px;
      position: relative;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .step-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-light);
      line-height: 1.1;
      margin-bottom: 10px;
      transition: color var(--transition);
    }

    .step-item:hover .step-num {
      color: var(--secondary);
    }

    .step-item h3 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .step-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ============ FAQ ============ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: var(--bg);
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .faq-item.open {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px 20px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      text-align: left;
      transition: color var(--transition);
      min-height: 44px;
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-question i {
      font-size: 14px;
      color: var(--text-muted);
      transition: transform 0.25s ease, color 0.25s ease;
      flex-shrink: 0;
    }

    .faq-item.open .faq-question i {
      transform: rotate(180deg);
      color: var(--primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-answer p {
      padding: 0 20px 18px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }

    /* ============ Security ============ */
    .security-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: center;
    }

    .security-image {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .security-image img {
      width: 100%;
      height: 260px;
      object-fit: cover;
    }

    .security-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .security-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      background: var(--bg);
      border-radius: var(--radius-sm);
      padding: 14px 16px;
      border: 1px solid var(--border);
      transition: border-color var(--transition), transform var(--transition);
    }

    .security-list li:hover {
      border-color: var(--primary);
      transform: translateX(4px);
    }

    .security-list i {
      color: var(--primary);
      font-size: 16px;
      margin-top: 2px;
      flex-shrink: 0;
    }

    .security-list strong {
      display: block;
      font-size: 15px;
      margin-bottom: 2px;
    }

    .security-list span {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ============ Support ============ */
    .support-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .support-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      gap: 18px;
      align-items: flex-start;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .support-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .support-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      flex-shrink: 0;
    }

    .support-card h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .support-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 8px;
    }

    .support-card a {
      font-size: 14px;
      font-weight: 600;
    }

    /* ============ Final CTA ============ */
    .final-cta {
      background: linear-gradient(135deg, var(--primary-dark), var(--primary));
      padding: 72px 0;
      position: relative;
      overflow: hidden;
    }

    .final-cta::before {
      content: "";
      position: absolute;
      left: -80px;
      top: -80px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(242, 169, 59, 0.15);
    }

    .final-cta .container {
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .final-cta h2 {
      font-size: 32px;
      color: #fff;
      font-weight: 700;
      letter-spacing: 1px;
      margin-bottom: 12px;
    }

    .final-cta p {
      font-size: 17px;
      color: rgba(255, 255, 255, 0.85);
      max-width: 640px;
      margin: 0 auto 32px;
    }

    .final-cta .cta-buttons {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* ============ Footer ============ */
    .site-footer {
      background: var(--text);
      color: #B5C2BC;
      padding-top: 64px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand-name {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      letter-spacing: 1px;
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .footer-brand-name span {
      color: var(--secondary);
    }

    .footer-brand-desc {
      font-size: 14px;
      line-height: 1.7;
      color: #9DB0A8;
      max-width: 320px;
    }

    .footer-title {
      font-size: 16px;
      color: #fff;
      font-weight: 600;
      margin-bottom: 18px;
      padding-bottom: 10px;
      position: relative;
    }

    .footer-title::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 28px;
      height: 3px;
      background: var(--secondary);
      border-radius: 999px;
    }

    .footer-links,
    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a,
    .footer-contact span {
      color: #9DB0A8;
      font-size: 14px;
      transition: color var(--transition), padding-left var(--transition);
    }

    .footer-links a:hover {
      color: var(--secondary);
      padding-left: 6px;
    }

    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
    }

    .footer-contact i {
      color: var(--secondary);
      width: 16px;
      flex-shrink: 0;
    }

    .footer-bottom {
      padding: 20px 0;
    }

    .footer-bottom-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: #6F837B;
      flex-wrap: wrap;
    }

    .footer-bottom-inner span:last-child {
      letter-spacing: 1px;
    }

    /* ============ Responsive ============ */
    @media (max-width: 1024px) {
      :root {
        --space-section: 72px;
      }

      .hero-inner {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .hero-image {
        max-width: 640px;
      }

      .layout-wrap {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .toc-sidebar {
        position: static;
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
      }

      .toc-card {
        flex: 1;
        min-width: 260px;
      }

      .toc-card nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
      }

      .toc-card nav a {
        padding: 6px 12px;
        border-radius: var(--radius-pill);
        background: var(--bg);
        border: 1px solid var(--border);
        gap: 8px;
      }

      .toc-card nav a i {
        display: none;
      }

      .toc-card nav a:hover {
        background: var(--primary-light);
        border-color: var(--primary);
      }

      .toc-cta {
        width: auto;
        padding: 12px 18px;
      }

      .steps-list {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 16px;
      }

      .header-top .container {
        flex-wrap: wrap;
        padding-top: 12px;
        padding-bottom: 12px;
        gap: 12px;
      }

      .search-box {
        width: 100%;
        order: 3;
      }

      .header-actions {
        margin-left: auto;
      }

      .header-actions .btn-text {
        display: none;
      }

      .header-actions .btn {
        padding: 9px 12px;
      }

      .page-hero {
        padding: 48px 0 56px;
      }

      .page-hero h1 {
        font-size: 32px;
        letter-spacing: 1px;
      }

      .hero-sub {
        font-size: 16px;
      }

      .hero-stats {
        gap: 20px;
      }

      .hero-image img {
        height: 220px;
      }

      .method-grid {
        grid-template-columns: 1fr;
      }

      .steps-list {
        grid-template-columns: 1fr;
      }

      .content-block {
        padding: 22px;
      }

      .content-block-desc {
        padding-left: 0;
      }

      .security-wrap,
      .support-wrap {
        grid-template-columns: 1fr;
      }

      .final-cta h2 {
        font-size: 26px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        justify-content: center;
      }
    }

    @media (max-width: 520px) {
      .brand-name {
        font-size: 18px;
      }

      .nav-tabs {
        gap: 4px;
      }

      .nav-tab {
        padding: 7px 12px;
        font-size: 13px;
      }

      .page-hero h1 {
        font-size: 28px;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .stat-num {
        font-size: 22px;
      }

      .toc-cta {
        width: 100%;
      }

      .content-block-title {
        font-size: 20px;
      }

      .content-block-title .num {
        width: 30px;
        height: 30px;
        font-size: 14px;
      }

      .method-card,
      .step-item,
      .support-card {
        padding: 18px;
      }

      .security-list li {
        padding: 12px;
      }

      .final-cta .cta-buttons {
        flex-direction: column;
        align-items: center;
      }

      .final-cta .btn {
        width: 100%;
      }
    }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #0E8C6D;
  --primary-dark: #0A6B52;
  --primary-light: #DFF2EC;
  --accent: #F2A93B;
  --accent-dark: #D98E1F;
  --accent-light: #FEF1D6;
  --bg: #F6F7F4;
  --card-bg: #FFFFFF;
  --ink: #18221D;
  --ink-2: #5B6A64;
  --border: #DDE5E1;
  --success: #2E8B57;
  --danger: #D64545;
  --info: #2F6F8F;
  --warning: #D98E1F;
  --focus-ring: rgba(14,140,109,0.4);
  --radius-btn: 8px;
  --radius-card: 12px;
  --radius-pill: 999px;
  --radius-panel: 16px;
  --shadow-sm: 0 1px 2px rgba(24,34,29,0.06);
  --shadow-md: 0 4px 12px rgba(24,34,29,0.08);
  --shadow-lg: 0 8px 24px rgba(24,34,29,0.1);
  --container: 1200px;
  --space-section: 96px;
  --space-section-mobile: 64px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
ul, ol { list-style-position: inside; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
table { border-collapse: collapse; width: 100%; }

/* ===== 容器 ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 860px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: var(--shadow-md); }
.btn-accent { background: var(--accent); color: var(--ink); }
.btn-accent:hover { background: var(--accent-dark); color: #fff; box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--ink); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-sm); }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: var(--primary-light); color: var(--primary-dark); }
.btn-block { width: 100%; }

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  background: var(--primary-light);
  color: var(--primary);
}
.badge-accent { background: var(--accent-light); color: var(--accent-dark); }
.badge-neutral { background: #EFF2F0; color: var(--ink-2); }

/* ===== 双层导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.header-top {
  height: 64px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}
.brand-logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  line-height: 1.2;
}
.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
}
.brand-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--primary-light);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  height: 40px;
  width: 220px;
  padding: 0 4px 0 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  color: var(--ink);
  min-height: 36px;
}
.search-box input::placeholder { color: var(--ink-2); }
.search-box button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-2);
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}
.search-box button:hover { background: var(--primary-light); color: var(--primary); }
.header-nav {
  height: 48px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
  background: transparent;
}
.nav-tab i { font-size: 13px; }
.nav-tab:hover { background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); }
.nav-tab.active { background: var(--primary-light); color: var(--primary); }

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  background-color: var(--ink);
  background-size: cover;
  background-position: center;
  padding: 56px 0 48px;
  color: #fff;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(24,34,29,0.85) 0%, rgba(24,34,29,0.45) 100%);
}
.article-hero .container { position: relative; z-index: 1; }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 18px;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 12px; color: rgba(255,255,255,0.5); }
.breadcrumb .current { color: #fff; font-weight: 500; }

/* ===== 文章头部 ===== */
.article-hero h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  max-width: 800px;
  letter-spacing: 0.01em;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.8);
}
.article-meta .badge { background: rgba(255,255,255,0.18); color: #fff; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ===== 正文区 ===== */
.article-section {
  padding: var(--space-section) 0 calc(var(--space-section) * 0.6);
}
.article-body {
  background: var(--card-bg);
  border-radius: var(--radius-panel);
  padding: 44px 52px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin: 32px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
}
.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--ink);
}
.article-body p { margin-bottom: 16px; }
.article-body img {
  max-width: 100%;
  border-radius: var(--radius-card);
  margin: 20px 0;
  box-shadow: var(--shadow-sm);
}
.article-body ul, .article-body ol {
  margin: 16px 0;
  padding-left: 6px;
}
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 16px 20px;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  margin: 20px 0;
  color: var(--ink-2);
  font-style: normal;
}
.article-body a { text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 4px; }
.article-body a:hover { text-decoration-style: solid; }
.article-body pre {
  background: var(--ink);
  color: #E8F0EC;
  padding: 20px;
  border-radius: var(--radius-card);
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 20px 0;
}
.article-body code {
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
  background: rgba(14,140,109,0.08);
  color: var(--primary-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}
.article-body pre code { background: transparent; color: inherit; padding: 0; }
.article-body table {
  width: 100%;
  margin: 20px 0;
  overflow: hidden;
  border-radius: var(--radius-card);
  border-spacing: 0;
  border: 1px solid var(--border);
}
.article-body th {
  background: var(--primary-light);
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.article-body tr:last-child td { border-bottom: none; }
.article-body tr:hover td { background: #FAFBF9; }

/* ===== 空状态 ===== */
.article-empty {
  background: var(--card-bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius-panel);
  padding: 56px 24px;
  text-align: center;
  color: var(--ink-2);
}
.article-empty i { font-size: 36px; color: var(--border); margin-bottom: 12px; display: block; }
.article-empty p { font-size: 18px; margin-bottom: 20px; }

/* ===== 上一篇 / 下一篇 ===== */
.pager-section { padding: 0 0 64px; }
.post-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.pager-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px 24px;
  transition: all 0.25s ease;
  color: var(--ink);
}
.pager-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  color: var(--primary);
}
.pager-label { font-size: 12px; color: var(--ink-2); font-weight: 500; letter-spacing: 0.05em; }
.pager-title { font-size: 17px; font-weight: 600; line-height: 1.5; }
.pager-next { text-align: right; }

/* ===== 相关推荐 ===== */
.related-section {
  padding: 64px 0;
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-sub {
  color: var(--ink-2);
  font-size: 15px;
  margin-bottom: 38px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.25s ease;
  color: var(--ink);
}
.related-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  color: var(--primary);
}
.related-card .card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--primary-light);
}
.related-card .card-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.related-card h3 { font-size: 17px; font-weight: 600; line-height: 1.5; }
.related-card .card-text { font-size: 14px; color: var(--ink-2); line-height: 1.65; }
.related-card .badge { align-self: flex-start; }

/* ===== CTA ===== */
.cta-section {
  background: var(--primary-dark);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(242,169,59,0.12);
  right: -120px;
  top: -120px;
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-title { font-size: 30px; font-weight: 700; margin-bottom: 14px; line-height: 1.35; }
.cta-desc { font-size: 16px; color: rgba(255,255,255,0.88); margin-bottom: 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-section) 0;
}
.faq-wrap {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.faq-item.open { border-color: var(--primary); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 56px;
  padding: 16px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  gap: 12px;
}
.faq-question i {
  color: var(--primary);
  transition: transform 0.3s ease;
  font-size: 14px;
  flex-shrink: 0;
}
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 24px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink);
  color: #A8B4AE;
  padding-top: 64px;
  padding-bottom: calc(24px + var(--safe-bottom));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand-name {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
}
.footer-brand-name span { color: var(--accent); font-weight: 500; }
.footer-brand-desc { font-size: 14px; line-height: 1.75; max-width: 320px; }
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}
.footer-links, .footer-contact { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a, .footer-contact li {
  font-size: 14px;
  color: #A8B4AE;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--accent); }
.footer-contact i { color: var(--accent); font-size: 14px; width: 16px; text-align: center; }
.footer-bottom { padding-top: 24px; }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-body { padding: 36px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-top { height: auto; padding: 10px 0; }
  .header-top .container { flex-wrap: wrap; gap: 8px; }
  .header-actions { width: 100%; justify-content: flex-end; }
  .search-box { flex: 1; max-width: none; width: auto; }
  .header-nav { height: auto; padding: 6px 0; }
  .nav-tabs { gap: 6px; }
  .nav-tab { padding: 0 16px; height: 34px; }
  .article-hero { padding: 40px 0 32px; }
  .article-hero h1 { font-size: 24px; }
  .article-meta { gap: 12px; font-size: 12px; }
  .article-section { padding: 48px 0 40px; }
  .article-body { padding: 24px; border-radius: var(--radius-card); }
  .article-body h2 { font-size: 20px; }
  .article-body h3 { font-size: 17px; }
  .post-pager { grid-template-columns: 1fr; gap: 12px; }
  .pager-next { text-align: left; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 56px 0; }
  .cta-title { font-size: 24px; }
  .faq-section { padding: 48px 0; }
  .faq-question { font-size: 15px; padding: 14px 18px; }
  .faq-answer { padding: 0 18px; }
  .faq-item.open .faq-answer { padding: 0 18px 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .site-footer { padding-top: 48px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .btn-text { display: none; }
  .brand-name { font-size: 19px; }
  .brand-sub { font-size: 12px; padding: 2px 8px; }
  .search-box { width: 100%; }
  .article-hero h1 { font-size: 20px; }
  .article-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
  .article-body { padding: 18px; font-size: 15px; }
  .article-body blockquote { padding: 12px 16px; }
  .related-card .card-img { height: 160px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom-inner { flex-direction: column; gap: 6px; }
}

/* roulang page: category2 */
:root {
  --primary: #0E8C6D;
  --primary-dark: #0A6B52;
  --primary-light: #DFF2EC;
  --accent: #F2A93B;
  --accent-dark: #D98E1F;
  --accent-light: #FEF1D6;
  --bg: #F6F7F4;
  --card-bg: #FFFFFF;
  --text: #18221D;
  --text-weak: #5B6A64;
  --border: #DDE5E1;
  --success: #2E8B57;
  --danger: #D64545;
  --info: #2F6F8F;
  --warning: #D98E1F;
  --focus-ring: rgba(14,140,109,0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(24,34,29,0.06);
  --shadow-md: 0 8px 24px rgba(24,34,29,0.1);
  --transition: 0.25s ease;
  --container-w: 1200px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--primary-dark);
}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input, textarea, select {
  font-family: inherit;
  font-size: 14px;
}
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.section-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--text);
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-weak);
  margin-bottom: 40px;
  max-width: 640px;
}
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
}
.badge-primary {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.badge-accent {
  background: var(--accent-light);
  color: var(--accent-dark);
}

/* ===== Header 双层导航 ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.header-top {
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-align: left;
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.brand-sub {
  font-size: 12px;
  color: var(--text-weak);
  letter-spacing: 1px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border-radius: var(--radius-pill);
  padding: 0 6px 0 16px;
  height: 40px;
  width: 220px;
  border: 1px solid transparent;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--text);
}
.search-box input::placeholder {
  color: #95A19C;
}
.search-box button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-weak);
  transition: background 0.2s ease, color 0.2s ease;
}
.search-box button:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 0 20px;
  height: 44px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
}
.btn-accent {
  background: var(--accent);
  color: #18221D;
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.8);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  color: #fff;
}
.header-nav {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
}
.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.nav-tab i {
  font-size: 13px;
  color: var(--text-weak);
  transition: color 0.2s ease;
}
.nav-tab:hover {
  background: #fff;
  color: var(--primary);
}
.nav-tab:hover i {
  color: var(--primary);
}
.nav-tab.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}
.nav-tab.active i {
  color: var(--primary);
}

/* ===== 页面通用区块间距 ===== */
.page-main {
  padding: 60px 0 80px;
}
.page-section {
  padding: 72px 0;
}
.page-section + .page-section {
  border-top: 1px solid var(--border);
}

/* ===== 分类页2 Hero 宽幅封面 ===== */
.category-hero {
  position: relative;
  background: linear-gradient(135deg, #0A6B52 0%, #0E8C6D 60%, #12A082 100%);
  padding: 88px 0 72px;
  overflow: hidden;
}
.category-hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.35;
}
.category-hero .container {
  position: relative;
  z-index: 2;
}
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
}
.crumb a {
  color: rgba(255,255,255,0.85);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.crumb a:hover {
  color: #fff;
}
.crumb span {
  color: var(--accent);
  font-weight: 600;
}
.category-hero h1 {
  font-size: 44px;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.category-hero .hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.92);
  max-width: 560px;
  line-height: 1.7;
}

/* ===== 内容集合列表（横向排列） ===== */
.service-list-section {
  background: var(--bg);
}
.service-list-section .section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.service-list-item {
  display: flex;
  align-items: stretch;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: default;
}
.service-list-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.service-list-media {
  flex: 0 0 300px;
  max-width: 300px;
  overflow: hidden;
  position: relative;
  min-height: 180px;
  background: var(--primary-light);
}
.service-list-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-list-item:hover .service-list-media img {
  transform: scale(1.04);
}
.service-list-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 32px;
  flex: 1;
}
.service-list-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  transition: color 0.2s ease;
}
.service-list-item:hover .service-list-body h3 {
  color: var(--primary);
}
.service-list-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 14px;
  max-width: 560px;
}
.service-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-weak);
  margin-bottom: 14px;
}
.service-meta i {
  color: var(--primary);
  margin-right: 4px;
}
.service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s ease;
}
.service-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* ===== 会员权益双列 ===== */
.benefits-section {
  background: #fff;
}
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.benefit-card {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
.benefit-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.benefit-icon {
  flex: 0 0 56px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-md);
  font-size: 22px;
}
.benefit-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.benefit-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 服务流程步骤 ===== */
.steps-section {
  background: var(--bg);
}
.steps-row {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  counter-reset: step;
}
.step-item {
  flex: 1;
  text-align: center;
  position: relative;
  padding-top: 20px;
}
.step-item::before {
  counter-increment: step;
  content: counters(step, "") ;
  display: block;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  line-height: 56px;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(14,140,109,0.3);
}
.step-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.step-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
  max-width: 200px;
  margin: 0 auto;
}
.step-arrow {
  position: absolute;
  top: 44px;
  right: -16px;
  color: var(--accent);
  font-size: 20px;
  z-index: 2;
}

/* ===== FAQ ===== */
.faq-section {
  background: #fff;
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  background: var(--card-bg);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item:hover {
  border-color: var(--primary);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  transition: color 0.2s ease;
}
.faq-question i {
  color: var(--text-weak);
  transition: transform 0.3s ease;
  font-size: 14px;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-item.open .faq-question {
  color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #0A6B52, #0E8C6D);
  padding: 72px 0;
  text-align: center;
}
.cta-section .container {
  position: relative;
  z-index: 1;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.cta-title {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: #18221D;
  color: #B8C4BE;
  padding: 64px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand-name span {
  color: var(--accent);
}
.footer-brand-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #93A39C;
  max-width: 260px;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #93A39C;
  font-size: 14px;
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-contact {
  list-style: none;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: #93A39C;
  font-size: 14px;
}
.footer-contact i {
  color: var(--accent);
  font-size: 14px;
  width: 18px;
  text-align: center;
}
.footer-bottom {
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #6E7D76;
}

/* ===== 表单浮层 ===== */
.modal-mask {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(24,34,29,0.6);
  z-index: 999;
  align-items: center;
  justify-content: center;
}
.modal-mask.show {
  display: flex;
}
.modal-panel {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 360px;
  width: 90%;
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.modal-panel h4 {
  font-size: 20px;
  margin-bottom: 12px;
}
.modal-panel p {
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 20px;
}
.modal-panel .btn-close-modal {
  width: 100%;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .service-list-media {
    flex-basis: 220px;
    max-width: 220px;
  }
  .benefits-grid {
    gap: 20px;
  }
  .benefit-card {
    padding: 24px;
    flex-direction: column;
    gap: 12px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .header-top .container {
    flex-wrap: wrap;
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 8px;
  }
  .header-top {
    height: auto;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .search-box {
    width: calc(100% - 130px);
  }
  .nav-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 6px 4px;
  }
  .nav-tabs::-webkit-scrollbar {
    display: none;
  }
  .category-hero {
    padding: 56px 0 48px;
  }
  .category-hero h1 {
    font-size: 32px;
  }
  .category-hero .hero-desc {
    font-size: 16px;
  }
  .service-list-item {
    flex-direction: column;
  }
  .service-list-media {
    flex-basis: 200px;
    max-width: 100%;
    min-height: 160px;
  }
  .service-list-body {
    padding: 20px;
  }
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  .steps-row {
    flex-direction: column;
    gap: 40px;
  }
  .step-arrow {
    display: none;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
  .cta-buttons .btn {
    min-width: 200px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  .section-title {
    font-size: 26px;
  }
}
@media (max-width: 520px) {
  .btn-text {
    display: none;
  }
  .btn-primary {
    padding: 0 14px;
  }
  .service-list-media {
    min-height: 140px;
  }
  .benefit-card {
    padding: 20px;
  }
}

/* roulang page: category3 */
:root{
  --primary:#0E8C6D;
  --primary-dark:#0A6B52;
  --primary-light:#DFF2EC;
  --accent:#F2A93B;
  --accent-dark:#D98E1F;
  --accent-light:#FEF1D6;
  --bg:#F6F7F4;
  --card-bg:#FFFFFF;
  --text:#18221D;
  --text-secondary:#5B6A64;
  --border:#DDE5E1;
  --success:#2E8B57;
  --danger:#D64545;
  --info:#2F6F8F;
  --warning:#D98E1F;
  --focus-ring:rgba(14,140,109,0.4);
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(24,34,29,0.06);
  --shadow-md:0 8px 24px rgba(24,34,29,0.1);
  --container:1200px;
  --gutter:24px;
  --space-section:96px;
  --space-section-mobile:64px;
  --ease:cubic-bezier(.4,0,.2,1);
  --font-stack:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
}
*,*::before,*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}
body{
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
  transition:color .25s var(--ease);
}
a:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
button{
  font-family:inherit;
  border:none;
  background:none;
  cursor:pointer;
}
input,select,textarea{
  font-family:inherit;
  font-size:inherit;
  color:var(--text);
}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
/* ===== 双层导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--card-bg);
  box-shadow:var(--shadow-sm);
}
.header-top{
  height:64px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--border);
}
.header-top .container{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-name{
  font-size:22px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.5px;
  line-height:1.2;
}
.brand-sub{
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-light);
  padding:3px 10px;
  border-radius:var(--radius-pill);
  line-height:1.4;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.search-box{
  display:flex;
  align-items:center;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  padding:0 6px 0 16px;
  height:38px;
  width:220px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.search-box:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px var(--focus-ring);
}
.search-box input{
  flex:1;
  border:none;
  outline:none;
  background:transparent;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{
  color:var(--text-secondary);
}
.search-box button{
  width:32px;
  height:32px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-secondary);
  transition:background .25s var(--ease),color .25s var(--ease);
}
.search-box button:hover{
  background:var(--primary-light);
  color:var(--primary);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:10px 20px;
  border-radius:var(--radius-sm);
  line-height:1.4;
  transition:background .25s var(--ease),color .25s var(--ease),transform .15s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
  min-height:44px;
}
.btn:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.btn:active{
  transform:scale(.98);
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  border:1px solid transparent;
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{
  background:var(--primary-dark);
  box-shadow:var(--shadow-md);
}
.btn-accent{
  background:var(--accent);
  color:#18221D;
  border:1px solid transparent;
  box-shadow:var(--shadow-sm);
}
.btn-accent:hover{
  background:var(--accent-dark);
  color:#fff;
}
.btn-outline{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.7);
}
.btn-outline:hover{
  background:rgba(255,255,255,.15);
  border-color:#fff;
}
.btn-outline-dark{
  background:transparent;
  color:var(--primary);
  border:1px solid var(--primary);
}
.btn-outline-dark:hover{
  background:var(--primary-light);
}
.btn-text{
  font-size:15px;
}
.header-nav{
  background:var(--bg);
  border-bottom:1px solid var(--border);
}
.header-nav .container{
  display:flex;
  align-items:center;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.header-nav .container::-webkit-scrollbar{
  display:none;
}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:4px;
  min-height:48px;
  padding:4px 0;
}
.nav-tab{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 16px;
  font-size:15px;
  font-weight:500;
  color:var(--text-secondary);
  border-radius:var(--radius-pill);
  white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease);
  line-height:1.4;
}
.nav-tab i{
  font-size:14px;
}
.nav-tab:hover{
  color:var(--primary);
  background:rgba(14,140,109,.08);
}
.nav-tab.active{
  color:var(--primary);
  background:var(--primary-light);
  font-weight:600;
  box-shadow:inset 0 -2px 0 var(--primary);
}
/* ===== Hero Banner ===== */
.page-hero{
  position:relative;
  background:linear-gradient(135deg,#0A6B52 0%,#0E8C6D 55%,#14967A 100%);
  padding:72px 0 72px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  opacity:.28;
  z-index:1;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,107,82,.75) 0%,rgba(14,140,109,.35) 55%,rgba(14,140,109,.15) 100%);
  z-index:2;
}
.page-hero .container{
  position:relative;
  z-index:3;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:40px;
  align-items:center;
}
.hero-crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.8);
  margin-bottom:16px;
}
.hero-crumbs a{
  color:rgba(255,255,255,.85);
}
.hero-crumbs a:hover{
  color:#fff;
}
.hero-crumbs .sep{
  opacity:.6;
}
.hero-crumbs .current{
  color:#fff;
  font-weight:500;
}
.page-hero h1{
  font-size:42px;
  line-height:1.25;
  font-weight:700;
  color:#fff;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.page-hero .hero-desc{
  font-size:18px;
  line-height:1.7;
  color:rgba(255,255,255,.92);
  max-width:560px;
  margin-bottom:10px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.hero-meta .meta-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:500;
  color:#fff;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);
  padding:6px 14px;
  border-radius:var(--radius-pill);
  backdrop-filter:blur(4px);
}
.hero-card{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:0 12px 36px rgba(10,50,40,.18);
}
.hero-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:16px;
}
.hero-card-top .tag-live{
  font-size:13px;
  font-weight:600;
  color:#fff;
  background:var(--accent);
  padding:4px 12px;
  border-radius:var(--radius-pill);
  letter-spacing:.3px;
}
.hero-card-top .tag-num{
  font-size:14px;
  color:rgba(255,255,255,.85);
}
.hero-card-title{
  font-size:20px;
  font-weight:700;
  color:#fff;
  line-height:1.4;
  margin-bottom:8px;
}
.hero-card-text{
  font-size:14px;
  color:rgba(255,255,255,.88);
  line-height:1.65;
  margin-bottom:20px;
}
.hero-card .btn{
  width:100%;
}
/* ===== 区块通用 ===== */
.section{
  padding:var(--space-section) 0;
}
.section-tight{
  padding:64px 0;
}
.section-gray{
  background:var(--bg);
}
.section-white{
  background:#fff;
}
.section-head{
  text-align:center;
  max-width:680px;
  margin:0 auto 48px;
}
.section-head h2{
  font-size:32px;
  font-weight:700;
  line-height:1.3;
  color:var(--text);
  letter-spacing:.3px;
}
.section-head h2 span{
  color:var(--primary);
}
.section-head p{
  font-size:16px;
  color:var(--text-secondary);
  margin-top:14px;
  line-height:1.7;
}
.section-tag{
  display:inline-block;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-light);
  padding:5px 16px;
  border-radius:var(--radius-pill);
  margin-bottom:14px;
}
/* ===== 活动信息流（两列大卡） ===== */
.activity-showcase{
  background:#fff;
}
.activity-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:32px;
}
.activity-card{
  display:flex;
  flex-direction:column;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),transform .3s var(--ease);
}
.activity-card:hover{
  border-color:var(--primary);
  box-shadow:var(--shadow-md);
  transform:translateY(-4px);
}
.activity-card-img{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--primary-light);
}
.activity-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.activity-card:hover .activity-card-img img{
  transform:scale(1.04);
}
.activity-card-badge{
  position:absolute;
  top:14px;
  left:14px;
  font-size:13px;
  font-weight:600;
  color:#fff;
  background:var(--accent);
  padding:4px 12px;
  border-radius:var(--radius-pill);
  box-shadow:0 2px 8px rgba(0,0,0,.15);
  z-index:2;
}
.activity-card-badge.hot{
  background:var(--danger);
}
.activity-card-badge.blue{
  background:var(--info);
}
.activity-card-body{
  padding:28px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.activity-card-body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:12px;
  color:var(--text);
  transition:color .25s var(--ease);
}
.activity-card:hover .activity-card-body h3{
  color:var(--primary);
}
.activity-card-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-secondary);
  margin-bottom:20px;
  flex:1;
}
.activity-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:20px;
  border-bottom:1px solid var(--border);
  padding-bottom:16px;
}
.activity-meta span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-secondary);
  background:var(--bg);
  padding:4px 10px;
  border-radius:var(--radius-sm);
}
.activity-meta span i{
  color:var(--primary);
  font-size:13px;
}
.activity-card-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.activity-card-actions .btn{
  padding:8px 18px;
  min-height:40px;
  font-size:14px;
}
.activity-price{
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.activity-price .free{
  color:var(--success);
  font-weight:700;
}
.activity-price del{
  font-size:13px;
  color:var(--text-secondary);
  font-weight:400;
  margin-left:6px;
}
/* ===== 图片横幅 ===== */
.activity-banner{
  position:relative;
  min-height:360px;
  display:flex;
  align-items:center;
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-bottom:56px;
  box-shadow:var(--shadow-sm);
}
.activity-banner img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:1;
}
.activity-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,40,30,.72) 0%,rgba(10,40,30,.4) 60%,rgba(10,40,30,.1) 100%);
  z-index:2;
}
.activity-banner-content{
  position:relative;
  z-index:3;
  padding:48px;
  max-width:620px;
}
.activity-banner-content .banner-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--accent);
  background:rgba(242,169,59,.16);
  border:1px solid rgba(242,169,59,.4);
  padding:4px 14px;
  border-radius:var(--radius-pill);
  margin-bottom:14px;
}
.activity-banner-content h2{
  font-size:30px;
  font-weight:700;
  color:#fff;
  line-height:1.3;
  margin-bottom:14px;
}
.activity-banner-content p{
  font-size:16px;
  line-height:1.7;
  color:rgba(255,255,255,.9);
  margin-bottom:24px;
}
/* ===== 参与流程 ===== */
.process-section{
  background:var(--bg);
}
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.process-step{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:32px 24px;
  text-align:center;
  position:relative;
  box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.process-step:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:var(--primary);
}
.process-num{
  font-size:36px;
  font-weight:800;
  color:var(--primary-light);
  line-height:1;
  margin-bottom:12px;
  font-family:Georgia,serif;
}
.process-step h3{
  font-size:16px;
  font-weight:600;
  color:var(--text);
  margin-bottom:10px;
}
.process-step p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.6;
}
/* ===== 参与须知 ===== */
.notice-section{
  background:#fff;
}
.notice-flex{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:48px;
  align-items:start;
}
.notice-list{
  display:flex;
  flex-direction:column;
  gap:0;
}
.notice-item{
  display:flex;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--border);
}
.notice-item:last-child{
  border-bottom:none;
}
.notice-icon{
  flex-shrink:0;
  width:44px;
  height:44px;
  border-radius:var(--radius-sm);
  background:var(--primary-light);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.notice-item h4{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
}
.notice-item p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
}
.notice-side{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:36px;
}
.notice-side h3{
  font-size:22px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
}
.notice-side ul{
  list-style:none;
  padding:0;
}
.notice-side ul li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
  margin-bottom:12px;
}
.notice-side ul li::before{
  content:"";
  position:absolute;
  left:4px;
  top:10px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--primary);
}
.notice-side .btn{
  margin-top:18px;
  width:100%;
}
/* ===== FAQ ===== */
.faq-section{
  background:var(--bg);
}
.faq-list{
  max-width:820px;
  margin:0 auto;
}
.faq-item{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item:hover{
  border-color:var(--primary-light);
}
.faq-item.active{
  border-color:var(--primary);
  box-shadow:var(--shadow-sm);
}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  line-height:1.5;
  transition:color .25s var(--ease);
}
.faq-question i{
  flex-shrink:0;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--primary-light);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.faq-item.active .faq-question{
  color:var(--primary);
}
.faq-item.active .faq-question i{
  transform:rotate(180deg);
  background:var(--primary);
  color:#fff;
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-answer-inner{
  padding:0 24px 20px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-secondary);
}
/* ===== CTA ===== */
.cta-section{
  background:linear-gradient(135deg,#0A6B52,#0E8C6D);
  position:relative;
  overflow:hidden;
  padding:80px 0;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.22;
}
.cta-section .container{
  position:relative;
  z-index:2;
  text-align:center;
}
.cta-section h2{
  font-size:32px;
  font-weight:700;
  color:#fff;
  line-height:1.3;
  margin-bottom:16px;
}
.cta-section p{
  font-size:17px;
  color:rgba(255,255,255,.9);
  max-width:600px;
  margin:0 auto 32px;
  line-height:1.7;
}
.cta-buttons{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
/* ===== 页脚 ===== */
.site-footer{
  background:var(--text);
  color:rgba(255,255,255,.72);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand-name{
  font-size:24px;
  font-weight:700;
  color:#fff;
  line-height:1.3;
  margin-bottom:12px;
}
.footer-brand-name span{
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--accent);
  margin-top:4px;
}
.footer-brand-desc{
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.65);
  max-width:280px;
}
.footer-title{
  font-size:16px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{
  list-style:none;
  padding:0;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .25s var(--ease),padding-left .25s var(--ease);
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-contact{
  list-style:none;
  padding:0;
}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:12px;
  line-height:1.6;
}
.footer-contact li i{
  color:var(--accent);
  margin-top:4px;
  width:16px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;
}
.footer-bottom-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom-inner span:last-child{
  font-family:monospace;
  letter-spacing:.5px;
}
/* ===== 响应式 ===== */
@media(max-width:1024px){
  :root{
    --space-section:80px;
  }
  .page-hero .container{
    grid-template-columns:1fr;
    gap:32px;
  }
  .hero-card{
    max-width:480px;
  }
  .process-grid{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .notice-flex{
    grid-template-columns:1fr;
    gap:32px;
  }
}
@media(max-width:768px){
  :root{
    --space-section:64px;
    --gutter:16px;
  }
  .header-top{
    height:auto;
    padding:10px 0;
  }
  .header-top .container{
    flex-direction:column;
    align-items:stretch;
    gap:10px;
  }
  .header-actions{
    width:100%;
  }
  .search-box{
    flex:1;
    width:auto;
  }
  .btn .btn-text{
    display:none;
  }
  .btn-primary{
    min-width:44px;
    width:44px;
    padding:0;
  }
  .page-hero{
    padding:48px 0;
  }
  .page-hero h1{
    font-size:30px;
  }
  .page-hero .hero-desc{
    font-size:16px;
  }
  .hero-meta{
    flex-direction:column;
    align-items:flex-start;
  }
  .activity-grid{
    grid-template-columns:1fr;
    gap:24px;
  }
  .activity-card-body{
    padding:20px;
  }
  .activity-banner{
    min-height:280px;
    margin-bottom:40px;
  }
  .activity-banner-content{
    padding:28px;
  }
  .activity-banner-content h2{
    font-size:24px;
  }
  .section-head h2{
    font-size:26px;
  }
  .section-head p{
    font-size:15px;
  }
  .process-grid{
    grid-template-columns:1fr 1fr;
    gap:14px;
  }
  .process-step{
    padding:24px 16px;
  }
  .process-num{
    font-size:30px;
  }
  .cta-section h2{
    font-size:26px;
  }
  .cta-buttons{
    flex-direction:column;
    align-items:center;
  }
  .cta-buttons .btn{
    width:100%;
    max-width:280px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-bottom-inner{
    flex-direction:column;
    text-align:center;
  }
}
@media(max-width:520px){
  .nav-tab{
    padding:6px 12px;
    font-size:14px;
  }
  .page-hero h1{
    font-size:26px;
  }
  .hero-card{
    padding:20px;
  }
  .activity-card-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .activity-card-actions .btn{
    width:100%;
  }
  .process-grid{
    grid-template-columns:1fr;
  }
  .notice-side{
    padding:24px;
  }
  .faq-question{
    font-size:15px;
    padding:16px 18px;
  }
}