/* roulang page: index */
:root {
  --primary: #166534;
  --primary-dark: #14532d;
  --primary-light: #22c55e;
  --accent: #d97706;
  --accent-light: #fbbf24;
  --bg: #f7fbf8;
  --bg-soft: #eef6f1;
  --white: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #dce7e0;
  --border-light: #eef3ef;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow: 0 6px 24px rgba(0,0,0,0.07);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --transition: .25s ease;
  --container: 1200px;
  --section-gap: 88px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block;border-radius:var(--radius)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul{list-style:none}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}

/* header */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);box-shadow:0 2px 12px rgba(6,42,23,.04)}
.header-wrap{display:flex;align-items:center;gap:32px;height:76px;padding:0 24px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:baseline;gap:6px;font-size:19px;font-weight:800;color:var(--primary);white-space:nowrap}
.logo span{font-size:13px;font-weight:500;color:var(--text-light);display:inline-block;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.header-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
.header-nav a{padding:8px 16px;border-radius:var(--radius-sm);font-size:15px;font-weight:500;color:var(--text);transition:var(--transition)}
.header-nav a:hover{color:var(--primary);background:var(--bg-soft)}
.header-nav a.active{color:var(--primary);background:var(--bg-soft);font-weight:600}
.header-cta{margin-left:4px}
.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;border:2px solid transparent;cursor:pointer;transition:var(--transition);white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-light{background:var(--white);color:var(--primary)}
.btn-light:hover{background:var(--bg-soft);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--white)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(217,119,6,.35)}
.btn-lg{padding:16px 36px;font-size:16px;border-radius:12px}
.btn-block{width:100%}

/* hero */
.hero{position:relative;background:linear-gradient(135deg,rgba(6,42,23,.9),rgba(15,80,46,.82)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;padding:100px 0 0;color:#fff;overflow:hidden}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:140px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;margin-bottom:72px;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:#fff;padding:6px 16px;border-radius:99px;font-size:13px;font-weight:500;letter-spacing:.5px}
.hero h1{font-size:38px;line-height:1.28;font-weight:800;margin:20px 0 18px;letter-spacing:-.5px}
.hero h1 .accent{color:var(--accent-light)}
.hero-desc{font-size:16px;line-height:1.85;color:rgba(255,255,255,.9);max-width:520px;margin-bottom:32px}
.hero-desc strong{color:var(--accent-light);font-weight:600}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-qualify{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.8);border-top:1px solid rgba(255,255,255,.15);padding-top:20px}
.hero-qualify i{color:var(--accent-light)}
.hero-panel{border-radius:var(--radius-lg);padding:36px 32px;box-shadow:var(--shadow-lg);position:relative}
.hero-panel-inner{border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);padding:36px 32px;background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}
.hero-panel h3{font-size:18px;font-weight:700;margin-bottom:24px;color:#fff;display:flex;align-items:center;gap:10px}
.hero-panel h3 i{color:var(--accent-light)}
.perks{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}
.perk{display:flex;align-items:flex-start;gap:14px;background:rgba(255,255,255,.08);padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.12)}
.perk-icon{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-light));display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff}
.perk b{font-size:15px;display:block;margin-bottom:2px}
.perk span{font-size:13px;color:rgba(255,255,255,.75)}
.qualify-note{font-size:13px;line-height:1.7;color:rgba(255,255,255,.75);background:rgba(255,255,255,.06);border-left:3px solid var(--accent);padding:12px 16px;border-radius:0 10px 10px 0}

/* stats strip */
.stats-strip{position:relative;z-index:3;max-width:var(--container);margin:-24px auto 0;padding:0 24px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border-light);border-radius:20px;border:1px solid var(--border-light);overflow:hidden;box-shadow:var(--shadow)}
.stat-item{background:var(--white);padding:28px 24px;text-align:center}
.stat-num{font-size:34px;font-weight:800;color:var(--primary);letter-spacing:-1px}
.stat-label{font-size:14px;color:var(--text-light);margin-top:4px}

/* section head */
.section-head{text-align:center;max-width:640px;margin:0 auto 48px}
.section-head .tag{display:inline-block;background:var(--bg-soft);color:var(--primary);border:1px solid var(--border);font-size:13px;font-weight:600;padding:4px 14px;border-radius:99px;margin-bottom:14px;letter-spacing:.5px}
.section-head h2{font-size:30px;font-weight:800;color:var(--text);line-height:1.4;letter-spacing:-.5px}
.section-head p{font-size:15px;color:var(--text-light);margin-top:12px;line-height:1.8}

/* district cards */
.district-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.district-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius);padding:30px 26px;transition:var(--transition);position:relative;overflow:hidden}
.district-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition)}
.district-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--border)}
.district-card:hover::before{opacity:1}
.district-icon{width:48px;height:48px;border-radius:12px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary);margin-bottom:18px}
.district-card h3{font-size:19px;font-weight:700;margin-bottom:8px}
.district-card .loc{font-size:13px;color:var(--text-light);margin-bottom:12px}
.district-card .loc i{color:var(--accent);margin-right:6px}
.district-card p{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:18px}
.district-meta{display:flex;gap:10px;flex-wrap:wrap}
.district-meta .chip{background:var(--bg);border:1px solid var(--border);border-radius:99px;padding:2px 12px;font-size:12px;color:var(--text-light)}

/* sell points */
.sell-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sell-card{background:var(--primary);border-radius:var(--radius-lg);padding:36px 30px;color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.sell-card::after{content:'';position:absolute;right:-40px;top:-40px;width:140px;height:140px;background:rgba(255,255,255,.06);border-radius:50%}
.sell-card:nth-child(2){background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#333}
.sell-card:nth-child(3){background:var(--white);border:1px solid var(--border);color:var(--text);box-shadow:var(--shadow)}
.sell-icon{width:52px;height:52px;border-radius:14px;background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px}
.sell-card:nth-child(2) .sell-icon{background:rgba(255,255,255,.3);color:#7c4a00}
.sell-card:nth-child(3) .sell-icon{background:var(--bg-soft);color:var(--primary)}
.sell-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.sell-card p{font-size:14px;line-height:1.8;opacity:.9}
.sell-card:nth-child(3) p{opacity:.75}

/* tea cards */
.tea-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tea-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.tea-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.tea-thumb{position:relative;height:220px;overflow:hidden}
.tea-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.tea-card:hover .tea-thumb img{transform:scale(1.06)}
.tea-tag{position:absolute;top:14px;left:14px;background:rgba(20,83,45,.9);color:#fff;font-size:12px;padding:3px 12px;border-radius:99px;backdrop-filter:blur(4px)}
.tea-body{padding:22px 20px 24px;flex:1;display:flex;flex-direction:column}
.tea-body h3{font-size:18px;font-weight:700;margin-bottom:6px}
.tea-sub{font-size:13px;color:var(--accent);font-weight:500;margin-bottom:10px}
.tea-body p{font-size:13px;color:var(--text-light);line-height:1.7;flex:1}
.tea-body .btn{margin-top:16px}

/* pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:36px 30px;text-align:center;transition:var(--transition);position:relative;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.price-card.featured{border:2px solid var(--primary);box-shadow:var(--shadow)}
.price-card.featured .price-flag{position:absolute;top:-1px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-size:12px;font-weight:600;padding:4px 18px;border-radius:0 0 12px 12px;letter-spacing:1px}
.price-name{font-size:18px;font-weight:700;margin-bottom:16px}
.price-num{font-size:40px;font-weight:800;color:var(--primary);line-height:1}
.price-num small{font-size:16px;font-weight:500;color:var(--text-light)}
.price-desc{font-size:14px;color:var(--text-light);margin:14px 0 20px;line-height:1.7}
.price-list{flex:1;margin-bottom:24px;text-align:left}
.price-list li{display:flex;align-items:center;gap:10px;font-size:14px;padding:7px 0;color:var(--text)}
.price-list li i{color:var(--primary-light);font-size:12px}
.price-list li.disabled{color:#cbd5e1;text-decoration:line-through}

/* news */
.news-grid{display:grid;grid-template-columns:1fr 340px;gap:40px}
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{display:flex;align-items:center;gap:20px;padding:22px 16px;border-radius:12px;transition:var(--transition);border-bottom:1px solid var(--border-light)}
.news-item:first-child{border-top:0}
.news-item:hover{background:var(--white);box-shadow:var(--shadow)}
.news-date{flex-shrink:0;text-align:center;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:8px 12px;min-width:64px}
.news-date b{font-size:20px;color:var(--primary);display:block;line-height:1.2}
.news-date span{font-size:11px;color:var(--text-light)}
.news-item-body{flex:1;min-width:0}
.news-cat{font-size:12px;color:var(--accent);font-weight:600;letter-spacing:.5px}
.news-item h3{font-size:16px;font-weight:600;color:var(--text);margin:4px 0 6px;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-item p{font-size:13px;color:var(--text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .btn-link{color:var(--primary);font-size:13px;font-weight:600;margin-top:6px;display:inline-flex;align-items:center;gap:4px}
.empty{color:var(--text-light);font-size:14px;padding:24px;text-align:center;background:var(--white);border-radius:12px;border:1px dashed var(--border)}
.news-side{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius);padding:28px 26px}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--primary);display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--accent)}
.side-topics li{border-bottom:1px solid var(--border-light);padding:10px 0}
.side-topics li:last-child{border-bottom:0}
.side-topics a{font-size:14px;color:var(--text);display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
.side-topics a:hover{color:var(--primary);padding-left:6px}
.side-topics a .arrow{color:var(--text-light);font-size:12px}
.compare-mini{display:flex;flex-direction:column;gap:12px}
.compare-mini-item{display:flex;align-items:center;gap:10px;font-size:13px}
.compare-mini-item i{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0}
.compare-mini-item i.fa-check{background:var(--bg-soft);color:var(--primary)}
.compare-mini-item i.fa-xmark{background:#fef2f2;color:#dc2626}

/* compare */
.compare-wrap{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:32px;overflow-x:auto;box-shadow:var(--shadow)}
.compare-table{width:100%;border-collapse:collapse;min-width:560px}
.compare-table th,.compare-table td{padding:16px;text-align:center;border-bottom:1px solid var(--border-light);font-size:14px}
.compare-table th{font-size:15px;font-weight:700;background:var(--bg-soft)}
.compare-table th:first-child,.compare-table td:first-child{text-align:left;color:var(--text-light);font-weight:500}
.compare-table td:last-child{font-weight:600;color:var(--primary)}
.compare-table td i.fa-check{color:var(--primary-light);margin-right:4px}
.compare-table td i.fa-xmark{color:#cbd5e1;margin-right:4px}
.compare-table tr:last-child td{border-bottom:0}

/* faq */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:var(--transition)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 26px;font-size:16px;font-weight:600;color:var(--text);display:flex;justify-content:space-between;align-items:center;transition:var(--transition);gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--bg-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;transition:var(--transition)}
.faq-item[open] summary .icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-item[open]{border-color:var(--primary-light)}
.faq-answer{padding:0 26px 22px 26px;font-size:14px;color:var(--text-light);line-height:1.85;border-top:1px solid var(--border-light);margin-top:-6px;padding-top:14px}

/* cta form */
.cta-section{background:linear-gradient(135deg,rgba(6,42,23,.9),rgba(15,80,46,.88)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;padding:96px 0;color:#fff}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.cta-content .tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:6px 16px;border-radius:99px;font-size:13px;font-weight:500}
.cta-content h2{font-size:32px;font-weight:800;line-height:1.4;margin:18px 0 16px}
.cta-content p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.85);max-width:460px}
.cta-contact{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.cta-contact-item{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.85)}
.cta-contact-item i{color:var(--accent-light);width:20px;font-size:16px}
.booking-form{background:rgba(255,255,255,.97);border-radius:var(--radius-lg);padding:38px 32px;color:var(--text);box-shadow:var(--shadow-lg)}
.booking-form .form-title{font-size:21px;font-weight:700;margin-bottom:6px;color:var(--text)}
.booking-form .form-sub{font-size:13px;color:var(--text-light);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-label{font-size:13px;font-weight:600;color:var(--text)}
.form-input,.form-select,.form-textarea{border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-size:14px;color:var(--text);background:var(--bg);transition:var(--transition);width:100%}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);background:var(--white);box-shadow:0 0 0 3px rgba(34,197,94,.12)}
.form-textarea{resize:vertical;min-height:80px}
.form-note{font-size:12px;color:var(--text-light);text-align:center;margin-top:14px}

/* footer */
.footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .logo{color:#fff;margin-bottom:14px}
.footer .logo span{color:rgba(255,255,255,.5)}
.footer-about p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:13px;color:rgba(255,255,255,.6);transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.footer-col ul a:hover{color:var(--accent-light);padding-left:4px}
.footer-bottom{padding:20px 0;font-size:13px;color:rgba(255,255,255,.45);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}

/* scroll top */
.scroll-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:18px;cursor:pointer;box-shadow:var(--shadow-lg);z-index:99;transition:var(--transition);display:flex;align-items:center;justify-content:center}
.scroll-top:hover{background:var(--primary-dark);transform:translateY(-3px)}

/* responsive */
@media (max-width:1024px){
  .hero h1{font-size:32px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .district-grid,.sell-grid{grid-template-columns:repeat(2,1fr)}
  .tea-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .header-wrap{gap:12px;height:64px}
  .logo span{display:none}
  .header-nav{margin-left:4px}
  .header-nav a{padding:6px 10px;font-size:14px;display:none}
  .header-nav a.active{display:block}
  .header-cta .btn{padding:8px 14px;font-size:13px}
  .hero{padding:64px 0 0}
  .hero h1{font-size:26px}
  .hero-desc{font-size:14px}
  .hero-ctas .btn{padding:12px 20px;font-size:14px}
  .district-grid,.sell-grid,.tea-grid,.pricing-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .form-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .compare-wrap{padding:16px}
  .price-card{padding:28px 22px}
  .scroll-top{bottom:20px;right:20px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-wrap{padding:0 16px}
  .hero{padding:48px 0 0}
  .hero h1{font-size:22px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-num{font-size:26px}
  .tea-grid{grid-template-columns:1fr}
  .cta-section{padding:72px 0}
  .booking-form{padding:28px 20px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #166534;
  --primary-dark: #14532d;
  --primary-light: #22c55e;
  --accent: #d97706;
  --accent-light: #fbbf24;
  --bg: #f7fbf8;
  --bg-soft: #eef6f1;
  --white: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #dce7e0;
  --border-light: #eef3ef;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow: 0 6px 24px rgba(0,0,0,0.07);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --transition: .25s ease;
  --container: 1200px;
  --section-gap: 88px;
}
/* ===== 基础 Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--section-gap) 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-head .tag{display:inline-block;background:var(--bg-soft);color:var(--primary);border:1px solid var(--border);font-size:13px;font-weight:600;padding:5px 16px;border-radius:99px;margin-bottom:14px;letter-spacing:.5px}
.section-head h2{font-size:30px;font-weight:800;color:var(--text);line-height:1.4;letter-spacing:-.5px}
.section-head p{font-size:15px;color:var(--text-light);margin-top:12px;line-height:1.8}
/* ===== 按钮 ===== */
.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;border:2px solid transparent;cursor:pointer;transition:var(--transition);white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-light{background:var(--white);color:var(--primary)}
.btn-light:hover{background:var(--bg-soft);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--white)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(217,119,6,.35)}
.btn-lg{padding:16px 36px;font-size:16px;border-radius:12px}
.btn-block{width:100%}
/* ===== Header / Nav ===== */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);box-shadow:0 2px 12px rgba(6,42,23,.04)}
.header-wrap{display:flex;align-items:center;gap:32px;height:76px;padding:0 24px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:baseline;gap:6px;font-size:19px;font-weight:800;color:var(--primary);white-space:nowrap}
.logo span{font-size:13px;font-weight:500;color:var(--text-light);display:inline-block;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.header-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
.header-nav a{padding:8px 16px;border-radius:var(--radius-sm);font-size:15px;font-weight:500;color:var(--text);transition:var(--transition)}
.header-nav a:hover{color:var(--primary);background:var(--bg-soft)}
.header-nav a.active{color:var(--primary);background:var(--bg-soft);font-weight:600}
.header-cta{margin-left:4px}
/* ===== 文章 Hero ===== */
.article-hero{position:relative;background:linear-gradient(135deg,rgba(6,42,23,.92),rgba(15,80,46,.78)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;padding:76px 0 96px;color:#fff;overflow:hidden}
.article-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:22px;position:relative;z-index:2}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb i{font-size:11px;color:rgba(255,255,255,.45)}
.article-cat{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;padding:7px 18px;border-radius:99px;font-size:13px;font-weight:600;letter-spacing:.4px;position:relative;z-index:2}
.article-cat i{color:var(--accent-light)}
.article-hero h1{font-size:36px;line-height:1.35;font-weight:800;letter-spacing:-.5px;margin:20px 0 18px;max-width:820px;position:relative;z-index:2}
.article-meta{display:flex;align-items:center;gap:24px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.8);position:relative;z-index:2}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--accent-light)}
/* ===== 文章主体 ===== */
.article-main-section{position:relative;padding:0 0 var(--section-gap);margin-top:-40px;z-index:5}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}
.article-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:38px 40px;box-shadow:var(--shadow)}
.article-summary{position:relative;background:linear-gradient(135deg,var(--bg-soft),#f0faf4);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius);padding:26px 28px 26px 62px;margin-bottom:32px;font-size:17px;line-height:1.9;color:var(--text)}
.article-summary i{position:absolute;left:22px;top:24px;font-size:24px;color:var(--primary-light);opacity:.7}
.article-summary p{font-weight:500}
.article-content{font-size:16px;line-height:1.95;color:#334155}
.article-content>p{margin:0 0 1.4em}
.article-content h2{font-size:24px;font-weight:800;color:var(--text);margin:1.8em 0 .6em;padding-left:14px;border-left:4px solid var(--primary)}
.article-content h3{font-size:20px;font-weight:700;color:var(--text);margin:1.6em 0 .5em}
.article-content h4{font-size:17px;font-weight:700;color:var(--text);margin:1.2em 0 .4em}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:1.4em}
.article-content li{margin-bottom:.5em;position:relative}
.article-content ul li::before{content:'';position:absolute;left:-1.1em;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--primary-light)}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(22,101,52,.3)}
.article-content a:hover{color:var(--accent);border-color:var(--accent)}
.article-content blockquote{margin:1.6em 0;padding:22px 26px;background:var(--bg-soft);border-left:4px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;color:#334155;font-size:16px}
.article-content img{border-radius:var(--radius);margin:1.6em 0;box-shadow:var(--shadow)}
.article-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-content th{background:var(--bg-soft);font-weight:600}
/* 无文章提示 */
.not-found{text-align:center;padding:60px 20px}
.not-found i{font-size:42px;color:var(--text-light);opacity:.5;margin-bottom:16px}
.not-found h2{font-size:22px;font-weight:700;margin-bottom:10px}
.not-found p{color:var(--text-light);margin-bottom:24px}
/* 分享区 */
.article-share{display:flex;align-items:center;gap:12px;margin-top:36px;padding-top:28px;border-top:1px solid var(--border-light)}
.article-share>span{font-size:14px;color:var(--text-light);font-weight:500}
.share-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-soft);color:var(--text);border:1px solid var(--border);transition:var(--transition)}
.share-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
/* ===== 侧边栏 ===== */
.sidebar-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius);padding:28px 26px;margin-bottom:24px;box-shadow:var(--shadow-sm);transition:var(--transition)}
.sidebar-card:hover{box-shadow:var(--shadow)}
.sidebar-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.sidebar-card h3 i{color:var(--primary)}
.sidebar-card .side-list li{margin-bottom:12px}
.sidebar-card .side-list a{display:flex;align-items:center;gap:8px;color:var(--text);font-size:14px;font-weight:500;border-radius:var(--radius-sm);padding:7px 10px;transition:var(--transition)}
.sidebar-card .side-list a:hover{background:var(--bg-soft);color:var(--primary);padding-left:16px}
.sidebar-card .side-list a i{color:var(--accent);font-size:12px}
.sidebar-card .side-list a span{margin-left:auto;font-size:12px;color:var(--text-light);background:var(--bg-soft);padding:2px 9px;border-radius:99px}
.quick-book-btn{margin-top:20px}
.book-advantage{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-light);margin-top:14px;line-height:1.6}
.book-advantage i{color:var(--primary-light);margin-top:3px;font-size:15px}
/* ===== 推荐区块 ===== */
.related{background:var(--bg-soft)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);box-shadow:var(--shadow-sm)}
.related-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.related-card .rel-img{position:relative;height:200px;overflow:hidden}
.related-card .rel-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .rel-img img{transform:scale(1.05)}
.related-card .rel-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:70px;background:linear-gradient(transparent,rgba(6,42,23,.35));pointer-events:none}
.related-card .rel-tag{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.9);color:var(--primary);font-size:12px;font-weight:700;padding:5px 14px;border-radius:99px;z-index:2}
.related-card .rel-body{padding:24px 24px 28px}
.related-card .rel-body h3{font-size:18px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:10px}
.related-card .rel-body p{font-size:14px;color:var(--text-light);line-height:1.8;margin-bottom:18px}
.related-card .rel-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.related-card .rel-link i{transition:transform var(--transition)}
.related-card .rel-link:hover{color:var(--accent)}
.related-card .rel-link:hover i{transform:translateX(4px)}
/* ===== 预约 CTA ===== */
.book-cta{background:linear-gradient(135deg,rgba(6,42,23,.92),rgba(15,80,46,.84)),url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;background-attachment:fixed}
.book-cta-card{display:grid;grid-template-columns:1fr 1fr;gap:48px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:52px;backdrop-filter:blur(10px);color:#fff}
.book-info h2{font-size:28px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.book-info>p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.85);margin-bottom:24px}
.book-info ul li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.9);margin-bottom:12px}
.book-info ul li i{color:var(--accent-light);font-size:15px}
.book-form{background:var(--white);border-radius:var(--radius-lg);padding:32px 30px;color:var(--text);box-shadow:var(--shadow-lg)}
.book-form h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:6px}
.book-form .form-tip{font-size:13px;color:var(--text-light);margin-bottom:22px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:7px}
.form-group input,.form-group select{width:100%;height:46px;border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 15px;font-size:14px;color:var(--text);background:var(--bg);transition:var(--transition)}
.form-group input:focus,.form-group select:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(22,101,52,.1)}
.form-group input::placeholder{color:#94a3b8}
/* ===== Footer ===== */
.footer{background:#0c2d1c;color:#fff;padding:72px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-about .logo{color:#fff;margin-bottom:18px}
.footer-about .logo span{color:rgba(255,255,255,.5)}
.footer-about p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h4{font-size:16px;font-weight:700;margin-bottom:20px;color:#fff}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.65);display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.footer-col ul a:hover{color:var(--accent-light);padding-left:4px}
.footer-col ul a i{font-size:12px;color:var(--accent-light)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:24px 0;font-size:13px;color:rgba(255,255,255,.45)}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px}
  .article-card{padding:30px 28px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1.2fr 1fr 1fr}
  .footer-col:nth-child(4){grid-column:span 3}
}
@media (max-width:768px){
  .header-wrap{gap:16px;padding:0 16px}
  .logo{font-size:17px}
  .logo span{display:none}
  .header-nav a{padding:6px 12px}
  .article-hero{padding:56px 0 80px}
  .article-hero h1{font-size:28px}
  .article-layout{grid-template-columns:1fr}
  .article-card{padding:24px 20px}
  .article-summary{padding:22px 22px 22px 50px}
  .article-summary i{left:16px;top:22px}
  .related-grid{grid-template-columns:1fr}
  .book-cta-card{grid-template-columns:1fr;padding:32px 24px;gap:32px}
  .section-head h2{font-size:26px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
  .footer-col:nth-child(4){grid-column:span 2}
}
@media (max-width:520px){
  .header-wrap{height:68px}
  .header-nav{display:none}
  .header-cta .btn{padding:9px 16px;font-size:13px}
  .section{padding:60px 0}
  .article-hero h1{font-size:23px;line-height:1.45}
  .article-meta{gap:12px;font-size:13px}
  .article-main-section{margin-top:-24px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-col:nth-child(4){grid-column:span 1}
  .footer-bottom{flex-direction:column;text-align:center}
}