:root{
  --primary:#8B5E3C;
  --primary-dark:#6F4628;
  --primary-light:#A97C50;
  --secondary:#C9A87C;
  --accent:#E8B47B;
  --bg-light:#FAF6F1;
  --bg-dark:#2C1F16;
  --bg-white:#ffffff;
  --text-main:#2B2B2B;
  --text-muted:#6B6B6B;
  --border-color:#E8DDD0;
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-sm:0 2px 10px rgba(44,31,22,.06);
  --shadow-md:0 10px 30px rgba(44,31,22,.08);
  --shadow-lg:0 20px 50px rgba(44,31,22,.12);
  --section-space:96px;
  --font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);color:var(--text-main);background:var(--bg-white);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
ul,ol{list-style:none}
button,input,select{font-family:inherit}
.container{max-width:1200px}
.section{padding:var(--section-space) 0}
.section-alt{background:var(--bg-light)}
.section-head{text-align:center;max-width:760px;margin:0 auto 56px}
.section-tag{display:inline-block;font-size:14px;font-weight:600;letter-spacing:.5px;color:var(--primary);background:rgba(139,94,60,.08);border:1px solid rgba(139,94,60,.15);padding:6px 18px;border-radius:100px;margin-bottom:16px}
.section-title{font-size:34px;font-weight:700;line-height:1.35;color:var(--text-main);margin-bottom:14px}
.section-desc{font-size:16px;color:var(--text-muted);line-height:1.85}
.text-primary-custom{color:var(--primary)!important}

/* 按钮 */
.btn{border-radius:100px;padding:12px 28px;font-size:15px;font-weight:600;transition:all .25s ease;border:2px solid transparent}
.btn-primary-custom{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary-custom:hover,.btn-primary-custom:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(139,94,60,.28)}
.btn-outline-custom{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline-custom:hover,.btn-outline-custom:focus{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-light-custom{background:#fff;color:var(--primary);border-color:#fff}
.btn-light-custom:hover,.btn-light-custom:focus{background:var(--bg-light);color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.15)}
.btn-dark-line{background:transparent;color:var(--bg-dark);border-color:var(--bg-dark)}
.btn-dark-line:hover{background:var(--bg-dark);color:#fff;transform:translateY(-2px)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1050;background:rgba(250,246,241,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-sm);border-bottom:1px solid var(--border-color)}
.site-header .navbar{padding-top:14px;padding-bottom:14px}
.site-logo{display:inline-flex;flex-direction:column;line-height:1.3;font-weight:800;color:var(--primary-dark);font-size:18px;letter-spacing:.3px}
.site-logo .logo-sub{font-size:12px;font-weight:500;color:var(--text-muted);letter-spacing:1.5px}
.navbar .nav-link{padding:10px 18px!important;font-size:15px;font-weight:600;color:var(--text-main)!important;border-radius:8px}
.navbar .nav-link:hover,.navbar .nav-link:focus{color:var(--primary)!important;background:rgba(139,94,60,.06)}
.navbar .nav-link.active{color:var(--primary)!important;background:rgba(139,94,60,.08)}
.site-header .dropdown-menu{display:block;visibility:hidden;opacity:0;transform:translateY(10px);transition:all .3s ease;border:none;border-radius:16px;box-shadow:var(--shadow-lg);padding:10px;min-width:220px;background:#fff}
.site-header .nav-item.dropdown:hover .dropdown-menu{visibility:visible;opacity:1;transform:translateY(0)}
.site-header .dropdown-item{border-radius:10px;padding:10px 16px;font-size:14px;font-weight:500;color:var(--text-main)}
.site-header .dropdown-item:hover{background:var(--bg-light);color:var(--primary)}
.site-header .dropdown-item i{width:28px;color:var(--primary)}
.navbar-toggler{border:none;box-shadow:none!important;padding:6px 10px;border-radius:10px;background:rgba(139,94,60,.08)}
.navbar-toggler:focus,.navbar-toggler:active{box-shadow:none}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%238B5E3C' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
.nav-cta{background:var(--primary);color:#fff!important;border-radius:100px;padding:10px 24px!important;margin-left:8px;font-size:14px}
.nav-cta:hover{background:var(--primary-dark);color:#fff!important;transform:translateY(-2px);box-shadow:0 8px 20px rgba(139,94,60,.3)}

/* Hero */
.hero-section{position:relative;padding:120px 0 110px;color:#fff;background:linear-gradient(135deg,rgba(44,31,22,.95) 0%,rgba(96,64,38,.9) 60%,rgba(139,94,60,.85) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero-section::after{content:"";position:absolute;left:0;right:0;bottom:0;height:80px;background:linear-gradient(to top,rgba(250,246,241,.08),transparent)}
.hero-content{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:100px;padding:8px 20px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:24px;backdrop-filter:blur(6px)}
.hero-tag i{color:var(--accent)}
.hero-title{font-size:44px;font-weight:800;line-height:1.35;margin-bottom:22px;letter-spacing:.5px}
.hero-title .highlight{color:var(--accent)}
.hero-desc{font-size:17px;line-height:1.9;color:rgba(255,255,255,.85);max-width:560px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;border-top:1px solid rgba(255,255,255,.2);padding-top:28px}
.stat-item .stat-num{font-size:30px;font-weight:800;color:#fff;line-height:1.2}
.stat-item .stat-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:4px}

/* 对比卡 */
.hero-cards{display:flex;flex-direction:column;gap:20px;position:relative;z-index:2}
.plan-card{background:rgba(255,255,255,.94);border-radius:20px;padding:28px 26px;color:var(--text-main);box-shadow:var(--shadow-md);border:2px solid transparent;transition:all .3s ease;position:relative;flex:1}
.plan-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.plan-recommend{background:linear-gradient(160deg,#fff 0%,#FDF6EE 100%);border-color:var(--accent);box-shadow:0 20px 48px rgba(232,180,123,.35)}
.plan-recommend:hover{transform:translateY(-10px) scale(1.02);box-shadow:0 28px 60px rgba(232,180,123,.45)}
.plan-badge{position:absolute;top:-14px;right:22px;background:var(--primary);color:#fff;font-size:12px;font-weight:700;letter-spacing:1px;padding:6px 18px;border-radius:100px;box-shadow:0 6px 16px rgba(139,94,60,.3)}
.plan-name{font-size:18px;font-weight:700;color:var(--primary-dark);margin-bottom:6px}
.plan-price{font-size:32px;font-weight:800;color:var(--text-main);margin-bottom:4px}
.plan-price span{font-size:14px;font-weight:500;color:var(--text-muted)}
.plan-desc{font-size:13px;color:var(--text-muted);margin-bottom:18px;line-height:1.6}
.plan-list{margin-bottom:24px}
.plan-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-main);padding:5px 0;line-height:1.5}
.plan-list li i{color:#8FB573;font-size:14px;margin-top:4px}
.btn-plan{width:100%;background:var(--bg-light);color:var(--text-main);border:2px solid var(--border-color);border-radius:12px;padding:11px}
.btn-plan:hover{background:var(--border-color);transform:translateY(-2px)}
.btn-plan-recommend{width:100%;background:var(--primary);color:#fff;border-radius:12px;padding:12px;font-weight:700;border:2px solid var(--primary)}
.btn-plan-recommend:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(139,94,60,.35)}

/* 资讯区 */
.news-section{background:var(--bg-light)}
.news-row{padding:26px 0;border-bottom:1px solid var(--border-color);transition:padding .25s ease}
.news-row:first-child{padding-top:0}
.news-row:last-child{border-bottom:none}
.news-row:hover{padding-left:10px}
.news-meta{display:flex;align-items:center;gap:16px;margin-bottom:8px;flex-wrap:wrap}
.news-tag{display:inline-block;background:rgba(139,94,60,.1);color:var(--primary);font-size:12px;font-weight:600;padding:4px 14px;border-radius:100px}
.news-date{font-size:13px;color:var(--text-muted)}
.news-title{font-size:19px;font-weight:700;margin-bottom:8px;line-height:1.45}
.news-title a{color:var(--text-main)}
.news-title a:hover{color:var(--primary)}
.news-desc{font-size:14px;color:var(--text-muted);line-height:1.75;margin-bottom:10px}
.news-more{font-size:14px;font-weight:600;color:var(--primary)}
.news-more i{transition:transform .25s ease}
.news-more:hover{color:var(--primary-dark)}
.news-more:hover i{transform:translateX(5px)}
.side-card{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:24px;border:none;background:#fff;transition:transform .3s ease,box-shadow .3s ease}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.side-card .card-body{padding:22px}
.side-card .card-title{font-size:17px;font-weight:700;margin-bottom:8px}
.side-card .card-text{font-size:14px;color:var(--text-muted);line-height:1.7}
.side-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:12px;background:var(--bg-light);margin-bottom:8px;font-size:14px;font-weight:500;transition:all .2s ease}
.side-item:hover{background:rgba(139,94,60,.1);color:var(--primary);transform:translateX(4px)}
.side-item i{color:var(--primary);width:22px}

/* 服务区 */
.service-card{border:none;border-radius:20px;padding:32px 28px;background:#fff;box-shadow:var(--shadow-sm);height:100%;transition:transform .3s ease,box-shadow .3s ease;border-bottom:3px solid transparent}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-bottom-color:var(--accent)}
.service-icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--primary-light),var(--primary));display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;margin-bottom:20px;box-shadow:0 10px 24px rgba(139,94,60,.25)}
.service-title{font-size:19px;font-weight:700;margin-bottom:10px}
.service-desc{font-size:14px;color:var(--text-muted);line-height:1.8;margin-bottom:16px}
.service-link{font-size:14px;font-weight:600;color:var(--primary)}
.service-link i{transition:transform .25s ease}
.service-link:hover{color:var(--primary-dark)}
.service-link:hover i{transform:translateX(5px)}

/* 卖点三连 */
.advantage-section{background:var(--bg-dark);color:#fff;position:relative;overflow:hidden}
.advantage-section::before{content:"";position:absolute;top:-60%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(139,94,60,.25),transparent 70%)}
.advantage-section .section-title{color:#fff}
.advantage-section .section-desc{color:rgba(255,255,255,.7)}
.advantage-section .section-tag{color:var(--accent);border-color:rgba(232,180,123,.3);background:rgba(232,180,123,.08)}
.advantage-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:40px 32px;height:100%;position:relative;z-index:2;transition:all .3s ease;backdrop-filter:blur(4px)}
.advantage-card:hover{background:rgba(255,255,255,.1);transform:translateY(-8px);border-color:rgba(232,180,123,.4)}
.advantage-icon{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--primary));display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;margin-bottom:20px}
.advantage-card h3{font-size:20px;font-weight:700;margin-bottom:10px;color:#fff}
.advantage-card p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.8;margin:0}

/* 里程碑 */
.timeline-wrap{position:relative;padding:20px 0}
.timeline-line{position:absolute;top:80px;left:0;right:0;height:2px;background:linear-gradient(to right,transparent,var(--border-color) 10%,var(--border-color) 90%,transparent)}
.timeline-item{position:relative;text-align:center;padding:0 16px}
.timeline-dot{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin:0 auto 24px;position:relative;z-index:2;box-shadow:0 0 0 8px rgba(139,94,60,.12)}
.timeline-year{font-size:16px;font-weight:800;color:var(--primary);letter-spacing:1px;margin-bottom:10px}
.timeline-title{font-size:18px;font-weight:700;margin-bottom:8px}
.timeline-text{font-size:14px;color:var(--text-muted);line-height:1.75}

/* 多端访问 */
.access-section{background:var(--bg-light);overflow:hidden}
.access-img-wrap{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.access-img-wrap img{width:100%;height:440px;object-fit:cover}
.access-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(44,31,22,.5),transparent 50%)}
.access-point{display:flex;align-items:flex-start;gap:16px;padding:18px 0;border-bottom:1px solid var(--border-color)}
.access-point:last-child{border-bottom:none}
.access-point-icon{width:44px;height:44px;border-radius:12px;background:rgba(139,94,60,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.access-point h4{font-size:16px;font-weight:700;margin-bottom:4px}
.access-point p{font-size:14px;color:var(--text-muted);margin:0;line-height:1.6}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--border-color);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item details{position:relative}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 26px;font-size:16px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:16px;transition:color .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px;color:var(--primary);transition:transform .3s ease;flex-shrink:0}
.faq-item details[open] summary::after{transform:rotate(180deg);color:var(--primary)}
.faq-item details[open] summary{border-bottom:1px solid var(--border-color)}
.faq-answer{padding:18px 26px 24px;font-size:15px;color:var(--text-muted);line-height:1.9;background:var(--bg-light)}

/* 关于区 */
.about-section .about-img-wrap{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.about-section .about-img-wrap img{width:100%;height:420px;object-fit:cover}
.about-badge{position:absolute;bottom:20px;left:20px;background:rgba(44,31,22,.88);color:#fff;border-radius:16px;padding:18px 24px;font-size:13px;line-height:1.6;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.15)}
.about-badge strong{display:block;font-size:22px;color:var(--accent)}
.about-list{margin-top:24px}
.about-list li{display:flex;align-items:flex-start;gap:12px;padding:9px 0;font-size:15px;color:var(--text-main)}
.about-list li i{color:var(--primary);font-size:16px;margin-top:6px;flex-shrink:0}

/* CTA */
.cta-section{position:relative;padding:90px 0;background:linear-gradient(135deg,rgba(44,31,22,.96),rgba(96,64,38,.9)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;color:#fff;text-align:center}
.cta-section .section-title{color:#fff;font-size:36px}
.cta-section .section-desc{color:rgba(255,255,255,.8);max-width:600px;margin:0 auto 36px}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:#221810;color:#C9BBAE;padding:80px 0 0}
.footer-brand{font-size:20px;font-weight:800;color:#fff;display:inline-block;margin-bottom:16px;line-height:1.4}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(201,187,174,.75);margin-bottom:24px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);color:#C9BBAE;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .2s ease}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-3px)}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:24px;position:relative;padding-bottom:12px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:3px;background:var(--primary);border-radius:3px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(201,187,174,.75);transition:all .2s ease}
.footer-links a:hover{color:var(--accent);padding-left:5px}
.footer-contact li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(201,187,174,.75);margin-bottom:14px;line-height:1.6}
.footer-contact i{color:var(--accent);margin-top:5px;width:16px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;margin-top:56px;font-size:13px;color:rgba(201,187,174,.55)}
.footer-bottom a{color:rgba(201,187,174,.55)}
.footer-bottom a:hover{color:var(--accent)}

/* 响应式 */
@media (max-width:1199.98px){
  .hero-title{font-size:38px}
}
@media (max-width:991.98px){
  :root{--section-space:72px}
  .hero-section{padding:80px 0 70px}
  .hero-title{font-size:32px}
  .hero-content{margin-bottom:48px}
  .hero-cards{flex-direction:row;flex-wrap:wrap}
  .plan-card{flex:1 1 calc(33.333% - 14px);min-width:220px}
  .timeline-wrap{flex-direction:column;gap:0}
  .timeline-line{display:none}
  .timeline-item{text-align:left;padding:0 0 32px 70px;position:relative}
  .timeline-dot{position:absolute;left:0;top:0;margin:0}
  .section-title{font-size:28px}
  .site-header .navbar-collapse{margin-top:12px}
  .site-header .nav-cta{margin-left:0;text-align:center;display:inline-block;margin-top:4px}
}
@media (max-width:767.98px){
  .hero-section{padding:64px 0 56px}
  .hero-title{font-size:26px}
  .hero-desc{font-size:15px}
  .hero-stats{gap:24px}
  .hero-cards{flex-direction:column}
  .plan-card{min-width:100%}
  .section-title{font-size:24px}
  .section-desc{font-size:15px}
  .news-row:hover{padding-left:0}
  .cta-section .section-title{font-size:28px}
}
@media (max-width:575.98px){
  :root{--section-space:60px}
  .container{padding-left:20px;padding-right:20px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .stat-item .stat-num{font-size:24px}
  .footer-bottom{text-align:center}
}

/* ========== 设计变量 ========== */
:root{
  --primary:#8B5E3C;
  --primary-dark:#6F4628;
  --primary-light:#A97C50;
  --secondary:#C9A87C;
  --accent:#E8B47B;
  --bg-light:#FAF6F1;
  --bg-dark:#2C1F16;
  --bg-white:#ffffff;
  --text-main:#2B2B2B;
  --text-muted:#6B6B6B;
  --border-color:#E8DDD0;
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-sm:0 2px 10px rgba(44,31,22,.06);
  --shadow-md:0 10px 30px rgba(44,31,22,.08);
  --shadow-lg:0 20px 50px rgba(44,31,22,.12);
  --section-space:96px;
  --font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);color:var(--text-main);background:var(--bg-white);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
button,input,select{font-family:inherit}
.container{max-width:1200px}
.section{padding:var(--section-space) 0}
.section-alt{background:var(--bg-light)}
.section-head{text-align:center;max-width:760px;margin:0 auto 56px}
.section-tag{display:inline-block;font-size:14px;font-weight:600;letter-spacing:.5px;color:var(--primary);background:rgba(139,94,60,.08);border:1px solid rgba(139,94,60,.15);padding:6px 18px;border-radius:100px;margin-bottom:16px}
.section-title{font-size:34px;font-weight:700;line-height:1.35;color:var(--text-main);margin-bottom:14px}
.section-desc{font-size:16px;color:var(--text-muted);line-height:1.85}
.text-primary-custom{color:var(--primary)!important}

/* ========== 按钮 ========== */
.btn{border-radius:100px;padding:12px 28px;font-size:15px;font-weight:600;transition:all .25s ease;border:2px solid transparent}
.btn-primary-custom{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary-custom:hover,.btn-primary-custom:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(139,94,60,.28)}
.btn-outline-custom{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline-custom:hover,.btn-outline-custom:focus{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-light-custom{background:#fff;color:var(--primary);border-color:#fff}
.btn-light-custom:hover,.btn-light-custom:focus{background:var(--bg-light);color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.15)}
.btn-dark-line{background:transparent;color:var(--bg-dark);border-color:var(--bg-dark)}
.btn-dark-line:hover{background:var(--bg-dark);color:#fff;transform:translateY(-2px)}

/* ========== 导航 ========== */
.site-header{position:sticky;top:0;z-index:1050;background:rgba(250,246,241,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-sm);border-bottom:1px solid var(--border-color)}
.site-header .navbar{padding-top:14px;padding-bottom:14px}
.site-logo{display:inline-flex;flex-direction:column;line-height:1.3;font-weight:800;color:var(--primary-dark);font-size:18px;letter-spacing:.3px}
.site-logo .logo-sub{font-size:12px;font-weight:500;color:var(--text-muted);letter-spacing:1.5px}
.navbar .nav-link{padding:10px 18px!important;font-size:15px;font-weight:600;color:var(--text-main)!important;border-radius:8px}
.navbar .nav-link:hover,.navbar .nav-link:focus{color:var(--primary)!important;background:rgba(139,94,60,.06)}
.navbar .nav-link.active{color:var(--primary)!important;background:rgba(139,94,60,.08)}
.site-header .dropdown-menu{display:block;visibility:hidden;opacity:0;transform:translateY(10px);transition:all .3s ease;border:none;border-radius:16px;box-shadow:var(--shadow-lg);padding:10px;min-width:220px;background:#fff}
.site-header .nav-item.dropdown:hover .dropdown-menu{visibility:visible;opacity:1;transform:translateY(0)}
.site-header .dropdown-item{border-radius:10px;padding:10px 16px;font-size:14px;font-weight:500;color:var(--text-main)}
.site-header .dropdown-item:hover{background:var(--bg-light);color:var(--primary)}
.site-header .dropdown-item i{width:28px;color:var(--primary)}
.navbar-toggler{border:none;box-shadow:none!important;padding:6px 10px;border-radius:10px;background:rgba(139,94,60,.08)}
.navbar-toggler:focus,.navbar-toggler:active{box-shadow:none}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%238B5E3C' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
.nav-cta{background:var(--primary);color:#fff!important;border-radius:100px;padding:10px 24px!important;margin-left:8px;font-size:14px}
.nav-cta:hover{background:var(--primary-dark);color:#fff!important;transform:translateY(-2px);box-shadow:0 8px 20px rgba(139,94,60,.3)}

/* ========== 文章页横幅 ========== */
.article-head-section{position:relative;padding:96px 0 72px;background:linear-gradient(135deg,rgba(44,31,22,.94) 0%,rgba(96,64,38,.9) 60%,rgba(139,94,60,.85) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;border-bottom:4px solid var(--accent)}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.65);margin-bottom:28px}
.breadcrumb-nav a{color:rgba(255,255,255,.8);transition:color .2s}
.breadcrumb-nav a:hover{color:var(--accent)}
.breadcrumb-nav .sep{opacity:.5}
.breadcrumb-nav .current{color:var(--accent);font-weight:600}
.article-head-wrap{max-width:820px}
.cat-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:var(--accent);font-size:13px;font-weight:600;border-radius:100px;padding:6px 18px;margin-bottom:18px;letter-spacing:.5px}
.article-title{font-size:40px;font-weight:800;line-height:1.4;letter-spacing:.5px;margin-bottom:20px}
.article-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:rgba(255,255,255,.72)}
.article-meta .meta-item i{margin-right:6px;color:var(--accent)}

/* ========== 文章主体 ========== */
.article-layout-section{padding:64px 0 80px;background:var(--bg-light)}
.article-main{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:42px;box-shadow:var(--shadow-md)}
.article-feature-img{border-radius:var(--radius-md);overflow:hidden;margin-bottom:34px;box-shadow:var(--shadow-sm)}
.article-feature-img img{width:100%;height:360px;object-fit:cover;transition:transform .4s ease}
.article-feature-img:hover img{transform:scale(1.02)}
.article-content{font-size:16px;line-height:2.05;color:var(--text-main);max-width:720px}
.article-content p{margin-bottom:24px}
.article-content h2{font-size:26px;font-weight:700;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--primary);line-height:1.5}
.article-content h3{font-size:20px;font-weight:700;margin:32px 0 12px;line-height:1.5}
.article-content ul,.article-content ol{padding-left:22px;margin-bottom:24px}
.article-content li{margin-bottom:8px}
.article-content blockquote{background:var(--bg-light);border-left:4px solid var(--accent);padding:18px 22px;border-radius:0 12px 12px 0;margin:24px 0;font-size:15px;color:var(--text-muted)}
.article-content a{color:var(--primary);text-decoration:underline}
.article-content a:hover{color:var(--primary-dark)}
.article-content img{border-radius:var(--radius-md);margin:24px 0;box-shadow:var(--shadow-md)}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-content table th,.article-content table td{border:1px solid var(--border-color);padding:10px 14px;text-align:left}
.article-content table th{background:var(--bg-light);font-weight:700;color:var(--primary-dark)}

.not-found-box{text-align:center;padding:60px 30px}
.not-found-box i{font-size:56px;color:var(--secondary);margin-bottom:20px;display:block}
.not-found-box h3{font-size:26px;font-weight:700;margin-bottom:14px}
.not-found-box p{color:var(--text-muted);margin-bottom:24px;max-width:420px;margin-left:auto;margin-right:auto}

/* 文章标签 */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;border-top:1px solid var(--border-color);margin-top:40px;padding-top:24px}
.tag-label{font-size:14px;font-weight:600;color:var(--text-muted);margin-right:4px}
.tag-item{display:inline-block;background:var(--bg-light);border:1px solid var(--border-color);border-radius:100px;padding:5px 16px;font-size:13px;font-weight:500;color:var(--text-main);transition:all .25s ease}
.tag-item:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}

/* 文章分享 */
.article-share{display:flex;align-items:center;gap:12px;border-top:1px solid var(--border-color);margin-top:20px;padding-top:22px}
.article-share span{font-size:14px;color:var(--text-muted);font-weight:600}
.article-share a{width:38px;height:38px;border-radius:50%;background:var(--bg-light);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:15px;transition:all .25s ease}
.article-share a:hover{background:var(--primary);color:#fff;transform:translateY(-3px)}

/* ========== 侧边栏 ========== */
.side-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:26px;margin-bottom:24px;box-shadow:var(--shadow-sm)}
.sidebar-sticky{position:sticky;top:104px}
.side-title{font-size:18px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:10px;position:relative;padding-bottom:12px}
.side-title::after{content:"";position:absolute;left:0;bottom:0;width:44px;height:3px;background:var(--primary);border-radius:4px}
.side-title i{color:var(--primary)}
.side-news-list{list-style:none;margin:0;padding:0}
.side-news-list li{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed var(--border-color)}
.side-news-list li:last-child{border-bottom:none}
.side-news-list .num{width:30px;height:30px;flex:0 0 30px;background:var(--bg-light);color:var(--primary);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.side-news-list .num.hot{background:var(--primary);color:#fff}
.side-news-list li a{font-size:14px;line-height:1.55;color:var(--text-main);display:block}
.side-news-list li a:hover{color:var(--primary)}
.side-news-list li small{display:block;font-size:12px;color:var(--text-muted);margin-top:4px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags a{background:var(--bg-light);border:1px solid var(--border-color);border-radius:100px;padding:5px 15px;font-size:13px;color:var(--text-main);transition:all .25s ease}
.side-tags a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
.side-promo{position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:36px 28px;color:#fff;background:linear-gradient(135deg,rgba(44,31,22,.93),rgba(96,64,38,.88)),url('/assets/images/coverpic/cover-4.jpg') center/cover no-repeat;margin-bottom:24px}
.side-promo h4{font-size:20px;font-weight:700;margin-bottom:10px}
.side-promo p{font-size:13px;color:rgba(255,255,255,.8);line-height:1.8;margin-bottom:18px}

/* ========== 相关资讯 ========== */
.related-section{background:var(--bg-light);padding:80px 0}
.related-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:all .3s ease;height:100%;display:block}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.related-card .img-wrap{height:190px;overflow:hidden;position:relative}
.related-card .img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .img-wrap img{transform:scale(1.06)}
.related-card .rel-cat{position:absolute;left:16px;top:16px;z-index:2;background:rgba(139,94,60,.92);color:#fff;font-size:12px;font-weight:600;border-radius:100px;padding:4px 14px;backdrop-filter:blur(4px)}
.related-card .card-body{padding:22px}
.related-card h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;color:var(--text-main)}
.related-card h3 a{color:inherit}
.related-card h3 a:hover{color:var(--primary)}
.related-card p{font-size:14px;color:var(--text-muted);line-height:1.75;margin-bottom:14px}
.related-card .card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-muted)}

/* ========== CTA ========== */
.cta-section{position:relative;padding:84px 0;background:linear-gradient(135deg,rgba(44,31,22,.94) 0%,rgba(96,64,38,.9) 60%,rgba(139,94,60,.86) 100%),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;color:#fff}
.cta-inner{max-width:760px;margin:0 auto;text-align:center}
.cta-inner .section-title{color:#fff}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.82);line-height:1.9;margin-bottom:30px}
.cta-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}

/* ========== FAQ ========== */
.faq-section{background:#fff;padding:80px 0}
.faq-accordion{max-width:860px;margin:0 auto}
.faq-accordion .accordion-item{border:1px solid var(--border-color);border-radius:var(--radius-md)!important;margin-bottom:16px;overflow:hidden;box-shadow:var(--shadow-sm);background:#fff}
.faq-accordion .accordion-button{font-weight:600;font-size:16px;padding:18px 22px;background:#fff;color:var(--text-main);box-shadow:none;border:none}
.faq-accordion .accordion-button:not(.collapsed){background:var(--bg-light);color:var(--primary)}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:var(--border-color)}
.faq-accordion .accordion-body{padding:0 22px 20px;color:var(--text-muted);font-size:15px;line-height:1.9}

/* ========== 页脚 ========== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.75);padding:72px 0 0;font-size:14px;line-height:1.8}
.footer-brand{font-size:22px;font-weight:800;color:#fff;letter-spacing:.5px;display:block;margin-bottom:16px}
.footer-desc{color:rgba(255,255,255,.6);font-size:14px;line-height:1.85;margin-bottom:20px;max-width:340px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#ccc;display:inline-flex;align-items:center;justify-content:center;font-size:15px;transition:all .25s ease}
.footer-social a:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-3px)}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--primary)}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0}
.footer-links li,.footer-contact li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.6);transition:all .2s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{color:rgba(255,255,255,.6)}
.footer-contact li i{width:22px;color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}

/* ========== 响应式 ========== */
@media (max-width: 1024px){
  .section-title{font-size:30px}
  .article-title{font-size:34px}
  .article-main{padding:32px}
  .hero-title{font-size:38px}
}
@media (max-width: 768px){
  :root{--section-space:60px}
  .section{padding:var(--section-space) 0}
  .section-head{margin-bottom:40px}
  .section-title{font-size:26px}
  .article-head-section{padding:72px 0 52px}
  .article-title{font-size:28px}
  .article-main{padding:24px 20px}
  .article-feature-img img{height:240px}
  .article-meta{gap:14px;font-size:13px}
  .related-card .img-wrap{height:160px}
  .cta-section{padding:64px 0}
  .sidebar-sticky{position:static}
}
@media (max-width: 520px){
  .article-title{font-size:24px}
  .article-head-section{padding:56px 0 42px}
  .article-meta{flex-direction:column;gap:4px}
  .article-main{border-radius:var(--radius-md);padding:20px 16px}
  .article-content{font-size:15px;line-height:1.9}
  .article-tags{gap:8px}
  .tag-item{padding:4px 12px;font-size:12px}
  .footer-brand{font-size:20px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}