/* roulang page: index */
:root{
  --brand:#3E5C76;
  --brand-hover:#334E63;
  --brand-light:#E8EDF1;
  --accent:#C0392B;
  --accent-hover:#A93226;
  --accent-light:#FBEBE8;
  --bg-page:#F4F6F8;
  --bg-warm:#FAF7F2;
  --bg-white:#FFFFFF;
  --border:#DDE3E8;
  --text-main:#1F2A36;
  --text-secondary:#5A6B7B;
  --text-muted:#8A97A5;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(31,42,54,.06);
  --shadow-hover:0 10px 28px rgba(31,42,54,.10);
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --container:1200px;
  --space:48px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--text-main);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s,background .25s,box-shadow .25s,transform .25s}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
section{position:relative}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--radius-md);
  font-size:16px;font-weight:500;transition:all .3s ease;
  line-height:1;white-space:nowrap;gap:8px;
}
.btn-primary{
  background:var(--brand);color:#fff;
}
.btn-primary:hover{
  background:var(--brand-hover);transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(62,92,118,.28);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-accent{
  background:var(--accent);color:#fff;
}
.btn-accent:hover{
  background:var(--accent-hover);transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(192,57,43,.28);
}
.btn-outline{
  background:#fff;color:var(--brand);border:1px solid var(--border);
}
.btn-outline:hover{
  border-color:var(--brand);background:var(--brand-light);
  transform:translateY(-2px);box-shadow:var(--shadow-sm);
}
.btn-lg{height:54px;padding:0 36px;font-size:17px}
.btn-sm{height:44px;padding:0 22px;font-size:15px}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-light);color:var(--brand);
  padding:4px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;
}
.badge-accent{
  background:var(--accent-light);color:var(--accent);
}
h1,h2,h3,h4{
  font-family:var(--font-title);
  font-weight:600;line-height:1.3;color:var(--text-main);
}
h1{font-size:38px;letter-spacing:.5px}
h2{font-size:27px;letter-spacing:.3px}
h3{font-size:20px}
.section-head{
  text-align:center;max-width:720px;margin:0 auto 52px;
}
.section-head h2{
  margin-bottom:12px;
}
.section-head p{
  color:var(--text-secondary);font-size:16px;
}
/* ===== 顶部通栏 ===== */
.top-bar{
  background:rgba(62,92,118,.08);
  border-bottom:1px solid var(--border);
  padding:10px 0;
  font-size:14px;color:var(--text-secondary);
}
.top-bar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.top-bar-close{
  width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);transition:all .3s;
}
.top-bar-close:hover{background:var(--bg-white);color:var(--text-main)}
/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  padding:20px 0 12px;
}
.header-card{
  background:var(--bg-white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  display:flex;align-items:center;
  padding:14px 24px;gap:12px;
  max-width:var(--container);margin:0 auto;
  border:1px solid rgba(221,227,232,.5);
}
.logo{
  font-family:var(--font-title);
  font-size:22px;font-weight:700;color:var(--text-main);
  flex-shrink:0;letter-spacing:1px;
}
.logo span{
  color:var(--accent);margin-left:2px;
}
.main-nav{
  display:flex;align-items:center;gap:8px;margin-left:auto;
}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-md);
  color:var(--text-secondary);font-size:15px;font-weight:500;
  position:relative;transition:all .3s;
}
.nav-item:hover{
  background:var(--brand-light);color:var(--brand);
}
.nav-item.active{
  background:var(--brand-light);color:var(--brand);
}
.nav-item.active::after{
  content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;background:var(--accent);
}
.nav-item svg{width:20px;height:20px;flex-shrink:0}
.header-cta{
  margin-left:8px;display:flex;align-items:center;gap:10px;
}
.nav-toggle{
  display:none;width:44px;height:44px;
  border-radius:var(--radius-md);
  align-items:center;justify-content:center;
  color:var(--text-main);transition:background .3s;
}
.nav-toggle:hover{background:var(--brand-light)}
.nav-toggle svg{width:24px;height:24px}
.mobile-menu{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:99;
  background:rgba(31,42,54,.4);backdrop-filter:blur(4px);
}
.mobile-menu.open{display:block}
.mobile-menu-panel{
  position:absolute;top:0;left:0;right:0;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  padding:100px 24px 32px;border-radius:0 0 20px 20px;
  box-shadow:var(--shadow-hover);
  display:flex;flex-direction:column;gap:10px;
}
.mobile-menu-panel .nav-item{
  padding:14px 18px;font-size:16px;border-radius:var(--radius-md);
}
.mobile-menu-panel .btn{
  margin-top:8px;width:100%;
}
/* ===== Hero ===== */
.hero{
  padding:88px 0 96px;
  background:
    radial-gradient(circle at 12% 20%, rgba(62,92,118,.06) 0, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(192,57,43,.04) 0, transparent 35%),
    var(--bg-page);
  position:relative;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(rgba(62,92,118,.08) 1px, transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.hero-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;
  align-items:center;position:relative;z-index:1;
}
.hero-content{max-width:520px}
.hero-badge-top{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-light);color:var(--accent);
  padding:6px 16px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;margin-bottom:24px;
}
.hero-badge-top svg{width:16px;height:16px}
.hero h1{
  font-size:38px;line-height:1.35;margin-bottom:16px;
}
.hero h1 .highlight{
  color:var(--accent);position:relative;
}
.hero-subtitle{
  font-size:16px;color:var(--text-secondary);
  line-height:1.8;margin-bottom:32px;max-width:440px;
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:16px;margin-bottom:30px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  color:var(--text-muted);font-size:14px;
  border-top:1px solid var(--border);padding-top:20px;
}
.hero-meta .meta-item{
  display:inline-flex;align-items:center;gap:6px;
}
.hero-meta svg{width:16px;height:16px;color:var(--brand)}
.hero-visual{
  position:relative;
}
.hero-visual img{
  width:100%;height:440px;object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-hover);
  border:8px solid #fff;
}
.hero-float-card{
  position:absolute;bottom:24px;left:24px;
  background:#fff;border-radius:var(--radius-md);
  padding:12px 20px;box-shadow:var(--shadow-hover);
  display:flex;align-items:center;gap:12px;
}
.hero-float-card .dot{
  width:38px;height:38px;border-radius:50%;
  background:var(--accent-light);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.hero-float-card .dot svg{width:20px;height:20px}
.hero-float-card .text{
  font-size:14px;color:var(--text-main);font-weight:500;line-height:1.3;
}
.hero-float-card .text small{
  display:block;color:var(--text-muted);font-size:12px;font-weight:400;
}
/* ===== 核心价值 ===== */
.values{
  padding:96px 0;
  background:var(--bg-white);
}
.values-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:24px;max-width:960px;margin:0 auto;
}
.value-card{
  background:var(--bg-warm);
  border-radius:var(--radius-lg);
  padding:36px 32px;
  transition:all .35s ease;
  border:1px solid rgba(221,227,232,.4);
}
.value-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  background:#fff;
}
.value-icon{
  width:52px;height:52px;border-radius:var(--radius-md);
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.value-icon svg{width:26px;height:26px}
.value-card h3{
  font-size:19px;margin-bottom:10px;
}
.value-card p{
  color:var(--text-secondary);font-size:15px;line-height:1.7;
}
/* ===== 场景轮播 ===== */
.scene{
  padding:96px 0;
  background:var(--bg-page);
  overflow:hidden;
}
.scene-slider-wrap{
  position:relative;
}
.scene-slider{
  display:flex;gap:24px;overflow-x:auto;
  scroll-behavior:smooth;
  padding:12px 4px 28px;
  scrollbar-width:none;
}
.scene-slider::-webkit-scrollbar{display:none}
.scene-card{
  flex:0 0 340px;
  background:#fff;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  border:1px solid rgba(221,227,232,.5);
  transition:all .35s ease;
}
.scene-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);
}
.scene-card-img{
  height:180px;overflow:hidden;
}
.scene-card-img img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s;
}
.scene-card:hover .scene-card-img img{transform:scale(1.05)}
.scene-card-body{padding:24px}
.scene-card-body h3{
  font-size:18px;margin-bottom:8px;
}
.scene-card-body p{
  color:var(--text-secondary);font-size:14px;line-height:1.7;margin-bottom:16px;
}
.scene-card-link{
  color:var(--brand);font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:6px;
}
.scene-card-link:hover{color:var(--accent)}
.scene-card-link svg{width:16px;height:16px}
.scene-arrow{
  position:absolute;top:40%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;
  background:#fff;box-shadow:var(--shadow-sm);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-main);z-index:2;
  transition:all .3s;
}
.scene-arrow:hover{background:var(--brand);color:#fff;box-shadow:var(--shadow-hover)}
.scene-arrow svg{width:20px;height:20px}
.scene-arrow.prev{left:-8px}
.scene-arrow.next{right:-8px}
/* ===== 访问环境指引 ===== */
.guide{
  padding:96px 0;
  background:var(--bg-warm);
}
.guide-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.guide-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-hover);
}
.guide-media img{
  width:100%;height:380px;object-fit:cover;
}
.guide-media-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top, rgba(31,42,54,.45), transparent 60%);
  display:flex;align-items:flex-end;padding:24px;
}
.guide-media-overlay span{
  color:#fff;font-size:15px;font-weight:500;
}
.guide-content h2{
  margin-bottom:16px;
}
.guide-content > p{
  color:var(--text-secondary);line-height:1.8;margin-bottom:28px;
}
.guide-list{
  display:flex;flex-direction:column;gap:16px;
}
.guide-item{
  display:flex;align-items:flex-start;gap:16px;
  background:#fff;border-radius:var(--radius-md);
  padding:18px 20px;box-shadow:var(--shadow-sm);
  border:1px solid rgba(221,227,232,.5);
}
.guide-item-icon{
  width:36px;height:36px;border-radius:50%;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.guide-item-icon svg{width:18px;height:18px}
.guide-item-text h4{
  font-size:16px;margin-bottom:4px;
}
.guide-item-text p{
  color:var(--text-secondary);font-size:14px;line-height:1.6;
}
/* ===== 用户评价 ===== */
.testimonials{
  padding:96px 0;
  background:var(--bg-page);
}
.testimonial-grid{
  display:flex;flex-wrap:wrap;gap:32px;
  max-width:1080px;margin:0 auto;
  justify-content:center;
}
.testimonial-card{
  background:#fff;border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-sm);
  border:1px solid rgba(221,227,232,.5);
  flex:1 1 300px;max-width:480px;
  position:relative;
  transition:all .35s ease;
}
.testimonial-card:nth-child(odd){transform:translateY(8px)}
.testimonial-card:nth-child(even){transform:translateY(-8px)}
.testimonial-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.testimonial-stars{
  display:flex;gap:3px;margin-bottom:16px;color:var(--accent);
}
.testimonial-stars svg{width:20px;height:20px}
.testimonial-text{
  font-size:15px;line-height:1.8;color:var(--text-secondary);
  margin-bottom:20px;
  padding-left:16px;border-left:3px solid var(--accent);
}
.testimonial-author{
  display:flex;align-items:center;gap:12px;
}
.testimonial-avatar{
  width:44px;height:44px;border-radius:50%;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:600;font-size:16px;
}
.testimonial-author-info{
  font-size:15px;font-weight:500;
}
.testimonial-author-info small{
  display:block;color:var(--text-muted);font-size:13px;font-weight:400;
}
/* ===== CTA行动区 ===== */
.cta-section{
  padding:88px 0;
  background:
    url("/assets/images/backpic/back-2.png") center/cover no-repeat,
    var(--brand);
  position:relative;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:rgba(31,42,54,.72);
  border-radius:0;
}
.cta-inner{
  position:relative;z-index:1;text-align:center;
  max-width:680px;margin:0 auto;
}
.cta-inner h2{
  color:#fff;font-size:32px;margin-bottom:16px;
}
.cta-inner p{
  color:rgba(255,255,255,.85);font-size:16px;line-height:1.8;margin-bottom:32px;
}
.cta-buttons{
  display:flex;flex-wrap:wrap;justify-content:center;gap:16px;
}
.cta-buttons .btn-white{
  background:#fff;color:var(--brand);
}
.cta-buttons .btn-white:hover{
  background:var(--brand-light);
}
/* ===== 最新信息 ===== */
.latest{
  padding:96px 0;
  background:var(--bg-white);
}
.latest-inner{
  display:grid;grid-template-columns:2fr 1fr;gap:48px;
}
.latest-main h2{
  margin-bottom:32px;
}
.news-list{
  display:flex;flex-direction:column;gap:20px;
}
.news-card{
  background:#fff;border-radius:var(--radius-lg);
  padding:28px 32px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:all .3s ease;
}
.news-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-2px);
}
.news-card-top{
  display:flex;align-items:center;gap:12px;margin-bottom:12px;
  flex-wrap:wrap;
}
.news-card h3{
  font-size:18px;margin-bottom:10px;
}
.news-card h3 a{
  color:var(--text-main);
}
.news-card h3 a:hover{
  color:var(--brand);
}
.news-card p{
  color:var(--text-secondary);font-size:15px;line-height:1.7;
  margin-bottom:16px;
}
.news-card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;border-top:1px solid var(--border);
}
.news-date{
  color:var(--text-muted);font-size:14px;
  display:flex;align-items:center;gap:6px;
}
.news-date svg{width:16px;height:16px}
.read-more{
  color:var(--brand);font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:6px;
}
.read-more:hover{color:var(--accent)}
.read-more svg{width:16px;height:16px}
.latest-sidebar{
  display:flex;flex-direction:column;gap:28px;
}
.sidebar-card{
  background:var(--bg-warm);border-radius:var(--radius-lg);
  padding:28px;border:1px solid rgba(221,227,232,.5);
}
.sidebar-card h3{
  font-size:18px;margin-bottom:18px;padding-bottom:12px;
  border-bottom:2px solid var(--brand-light);
}
.hot-list{
  display:flex;flex-direction:column;gap:10px;
}
.hot-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;background:#fff;
  border-radius:var(--radius-md);
  font-size:14px;color:var(--text-secondary);
  border:1px solid rgba(221,227,232,.5);
  transition:all .3s;
}
.hot-item:hover{
  background:var(--brand);color:#fff;transform:translateX(4px);
  border-color:var(--brand);
}
.hot-item .num{
  font-weight:600;color:var(--accent);font-size:13px;
}
.subscribe-box{
  background:var(--brand);border-radius:var(--radius-lg);
  padding:28px;color:#fff;
}
.subscribe-box h4{
  font-size:18px;color:#fff;margin-bottom:8px;
}
.subscribe-box p{
  font-size:14px;color:rgba(255,255,255,.8);margin-bottom:20px;
}
.subscribe-form{
  display:flex;gap:10px;flex-direction:column;
}
.subscribe-form input{
  height:44px;border-radius:var(--radius-md);
  border:1px solid rgba(255,255,255,.3);padding:0 16px;
  font-size:14px;background:rgba(255,255,255,.12);color:#fff;
  outline:none;width:100%;
  transition:border .3s,background .3s;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.7)}
.subscribe-form input:focus{
  border-color:#fff;background:rgba(255,255,255,.2);
}
.subscribe-form .btn{
  background:#fff;color:var(--brand);
}
.subscribe-form .btn:hover{
  background:var(--brand-light);transform:translateY(-2px);
}
.empty-state{
  background:var(--bg-warm);
  border:2px dashed var(--border);
  border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;
  color:var(--text-muted);
}
.empty-state svg{
  width:44px;height:44px;margin-bottom:14px;color:var(--text-muted);
}
/* ===== FAQ ===== */
.faq{
  padding:96px 0;
  background:var(--bg-warm);
}
.faq-wrap{
  max-width:820px;margin:0 auto;
  background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  overflow:hidden;
}
.faq-item{
  border-bottom:1px solid var(--border);
}
.faq-item:last-child{border-bottom:none}
.faq-question{
  width:100%;padding:22px 32px;
  display:flex;align-items:center;justify-content:space-between;
  text-align:left;font-size:16px;font-weight:500;
  color:var(--text-main);
  transition:background .3s;
}
.faq-question:hover{background:var(--bg-page)}
.faq-icon{
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--border);color:var(--text-secondary);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .3s;
  font-size:18px;
}
.faq-item.active .faq-icon{
  background:var(--brand);color:#fff;border-color:var(--brand);
  transform:rotate(45deg);
}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease;
  padding:0 32px;
}
.faq-item.active .faq-answer{
  max-height:600px;padding:0 32px 22px;
}
.faq-answer p{
  color:var(--text-secondary);font-size:15px;line-height:1.8;
  background:var(--bg-page);border-radius:var(--radius-md);
  padding:16px 20px;
}
/* ===== 页脚 ===== */
.site-footer{
  background:#26323D;color:rgba(255,255,255,.75);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{
  color:#fff;font-size:24px;margin-bottom:14px;
  display:block;
}
.footer-brand .logo span{color:var(--accent)}
.footer-brand p{
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);
  max-width:320px;
}
.footer-title{
  font-size:16px;font-weight:600;color:#fff;
  margin-bottom:20px;font-family:var(--font-body);
}
.footer-links{
  display:flex;flex-direction:column;gap:10px;
}
.footer-links a{
  color:rgba(255,255,255,.65);font-size:14px;
  transition:color .3s,padding-left .3s;
}
.footer-links a:hover{
  color:#fff;padding-left:6px;
}
.footer-contact{
  font-size:14px;display:flex;flex-direction:column;gap:10px;
  color:rgba(255,255,255,.65);
}
.footer-contact span{
  display:flex;align-items:center;gap:8px;
}
.footer-contact svg{
  width:18px;height:18px;color:var(--text-muted);
}
.footer-bottom{
  padding:20px 0;
  text-align:center;
  font-size:14px;color:rgba(255,255,255,.45);
}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .main-nav{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-content{max-width:100%;text-align:center}
  .hero-subtitle{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero-meta{justify-content:center}
  .hero-visual{max-width:520px;margin:0 auto;width:100%}
  .guide-inner{grid-template-columns:1fr;gap:40px}
  .latest-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .values-grid{grid-template-columns:1fr;max-width:640px}
}
@media (max-width:768px){
  h1{font-size:29px}
  .hero{padding:56px 0}
  .values,.scene,.guide,.testimonials,.latest,.faq{padding:68px 0}
  .hero-actions .btn{width:100%}
  .hero-visual img{height:300px}
  .values-grid{grid-template-columns:1fr}
  .scene-card{flex:0 0 280px}
  .testimonial-card{flex:1 1 100%}
  .testimonial-card:nth-child(odd),.testimonial-card:nth-child(even){transform:none}
  .cta-buttons .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .header-card{padding:12px 16px;border-radius:12px}
  .logo{font-size:18px}
  .news-card{padding:20px}
  .faq-question{font-size:15px;padding:18px 20px}
  .faq-answer{padding:0 20px}
  .faq-item.active .faq-answer{padding:0 20px 16px}
}
@media (max-width:520px){
  .container{padding:0 14px}
  .header-card{gap:8px}
  .logo{font-size:17px;letter-spacing:.5px}
  .top-bar-inner{font-size:13px}
  .hero h1{font-size:25px}
  .hero-subtitle{font-size:15px}
  .hero-meta{flex-direction:column;gap:6px;align-items:center}
  .hero-float-card{bottom:12px;left:12px;padding:10px 14px}
  .scene-card{flex:0 0 250px}
  .guide-media img{height:240px}
  .news-card-foot{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:23px}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --brand: #3E5C76;
  --brand-hover: #334E63;
  --brand-light: #E8EDF1;
  --accent: #C0392B;
  --accent-hover: #A93226;
  --bg: #F4F6F8;
  --bg-warm: #FAF7F2;
  --card: #FFFFFF;
  --border: #DDE3E8;
  --text: #1F2A36;
  --text-secondary: #5A6B7B;
  --text-muted: #8A97A5;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 8px rgba(31, 42, 54, .06);
  --shadow-hover: 0 10px 28px rgba(31, 42, 54, .10);
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container: 1200px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  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: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-hover); }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ===== 容器 ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 公告通栏 ===== */
.notice-bar {
  background: rgba(62, 92, 118, .08);
  border-bottom: 1px solid rgba(62, 92, 118, .10);
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
}
.notice-bar .notice-text {
  max-width: calc(1200px - 48px);
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.notice-bar .notice-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  padding: 0 8px;
  flex-shrink: 0;
}
.notice-bar .notice-close:hover { color: var(--accent); }

/* ===== 导航（卡片化面板） ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 0 8px;
  background: transparent;
}
.header-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  border: 1px solid rgba(221, 227, 232, .6);
  min-height: 68px;
}
.logo {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: .5px;
  color: var(--brand);
  line-height: 1.2;
  white-space: nowrap;
}
.logo span { color: var(--accent); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex: 1;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: background .2s, color .2s, border-color .2s;
  line-height: 1.4;
  white-space: nowrap;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { background: var(--brand-light); color: var(--brand); }
.nav-item.active {
  background: var(--brand-light);
  color: var(--brand);
  border-color: rgba(62, 92, 118, .2);
  font-weight: 600;
}
.nav-item.active::after {
  content: '';
  display: block;
  width: 18px;
  height: 3px;
  border-radius: 99px;
  background: var(--accent);
  margin-left: auto;
  position: relative;
  top: 8px;
}
.header-cta { flex-shrink: 0; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-toggle:hover { background: var(--brand-light); }
.nav-toggle svg { width: 22px; height: 22px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
}
.btn-primary:hover { background: var(--brand-hover); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-secondary {
  background: #fff;
  color: var(--brand);
  border-color: var(--brand);
}
.btn-secondary:hover { background: var(--brand-light); color: var(--brand); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-sm { height: 44px; padding: 0 20px; font-size: 14px; border-radius: 8px; }
.btn-block { width: 100%; }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { color: var(--text-muted); }

/* ===== 分类 Banner ===== */
.cat-banner {
  background: linear-gradient(rgba(31, 42, 54, .55), rgba(31, 42, 54, .55)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-radius: 20px;
  padding: 56px 48px;
  margin: 16px 0 40px;
  position: relative;
  color: #fff;
}
.cat-banner .breadcrumb a { color: rgba(255, 255, 255, .8); }
.cat-banner .breadcrumb a:hover { color: #fff; }
.cat-banner .breadcrumb .sep { color: rgba(255, 255, 255, .5); }
.cat-banner .breadcrumb, .cat-banner .cat-banner__subtitle { color: rgba(255, 255, 255, .9); }
.cat-banner h1 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 16px;
  color: #fff;
  letter-spacing: .5px;
}
.cat-banner__subtitle {
  font-size: 16px;
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, .9);
}
.banner-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(255, 255, 255, .2);
  border: 1px solid rgba(255, 255, 255, .3);
  color: #fff;
  line-height: 1.4;
}
.badge-accent {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
}
.badge-brand {
  background: var(--brand-light);
  border-color: transparent;
  color: var(--brand);
}

/* ===== 主内容两栏布局 ===== */
.page-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
  align-items: start;
}
.content-main {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ===== 卡片区块 ===== */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
  transition: box-shadow .25s, transform .25s;
}
.card:hover { box-shadow: var(--shadow-hover); }

.card h2, .section-heading {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}
.card h2::after, .section-heading::after {
  content: '';
  display: block;
  width: 42px;
  height: 4px;
  border-radius: 99px;
  background: var(--accent);
  margin-top: 8px;
}
.card > p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.9;
}

/* ===== 入口清单 ===== */
.entry-list { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.entry-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: background .2s, border-color .2s;
}
.entry-item:hover { background: var(--brand-light); border-color: rgba(62, 92, 118, .3); }
.entry-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--brand-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  flex-shrink: 0;
}
.entry-icon svg { width: 20px; height: 20px; }
.entry-body h4 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.entry-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ===== 流程步骤 ===== */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}
.process-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.step-body h5 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.step-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ===== 侧栏 ===== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 100px;
}
.sidebar-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 24px;
}
.sidebar-card h3,
.sidebar-card h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.side-link-list { display: flex; flex-direction: column; gap: 10px; }
.side-link-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  transition: border-color .2s, background .2s;
}
.side-link-card:hover { border-color: var(--brand); background: var(--brand-light); }
.side-link-num {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}
.side-link-card strong { font-size: 14px; color: var(--text); display: block; line-height: 1.4; }
.side-link-card p { font-size: 12px; color: var(--text-muted); line-height: 1.5; margin-top: 2px; }
.sidebar .btn { margin-top: 4px; }

/* ===== 精选条目区（2×2） ===== */
.featured-section {
  background: var(--bg-warm);
  padding: 64px 0;
  margin-top: 16px;
}
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 28px;
}
.featured-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
}
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.featured-card .featured-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.featured-card .featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s;
}
.featured-card:hover .featured-img img { transform: scale(1.03); }
.featured-card .featured-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.featured-card h3 { font-family: var(--font-serif); font-size: 19px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.featured-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 14px; flex: 1; }
.featured-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
}
.featured-link:hover { color: var(--accent); }
.featured-link svg { width: 16px; height: 16px; }

/* ===== FAQ ===== */
.faq-section { padding: 64px 0; }
.faq-list {
  margin-top: 28px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  min-height: 52px;
  transition: background .2s;
}
.faq-q:hover { background: rgba(62, 92, 118, .04); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--brand);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
  transition: transform .25s, background .25s, color .25s;
}
.faq-item.open .faq-icon {
  background: var(--brand);
  color: #fff;
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s;
  padding: 0 24px;
  background: rgba(62, 92, 118, .04);
}
.faq-item.open .faq-a {
  max-height: 400px;
  padding: 16px 24px 20px;
}
.faq-a p { font-size: 15px; color: var(--text-secondary); line-height: 1.85; }

/* ===== CTA ===== */
.cta-section {
  background: var(--brand);
  border-radius: 20px;
  margin: 16px 0 64px;
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: .08;
  pointer-events: none;
}
.cta-section h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}
.cta-section p {
  font-size: 15px;
  color: rgba(255, 255, 255, .85);
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.8;
  position: relative;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}
.cta-buttons .btn-accent { background: #fff; color: var(--brand); }
.cta-buttons .btn-accent:hover { background: var(--bg-warm); color: var(--brand-hover); }
.cta-buttons .btn-secondary { border-color: rgba(255, 255, 255, .6); color: #fff; background: transparent; }
.cta-buttons .btn-secondary:hover { background: rgba(255, 255, 255, .15); color: #fff; border-color: #fff; }

/* ===== 页脚 ===== */
.site-footer {
  background: #26323D;
  padding: 52px 0 0;
  margin-top: 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.site-footer .logo { color: #fff; }
.site-footer .logo span { color: #E8A89E; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  line-height: 1.8;
  margin-top: 12px;
  max-width: 320px;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: .5px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  transition: color .2s;
}
.footer-links a:hover { color: #fff; }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-contact span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  line-height: 1.5;
}
.footer-contact svg { width: 15px; height: 15px; flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 18px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}

/* ===== 状态与焦点 ===== */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* ===== 空态 ===== */
.empty-state {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* ===== 移动端响应式 ===== */
@media (max-width: 1024px) {
  .site-header { padding: 12px 0 6px; }
  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 20px;
    right: 20px;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav.open + .header-cta { display: none; }
  .nav-item { padding: 14px 16px; }
  .nav-toggle { display: inline-flex; }
  .header-card { flex-wrap: wrap; }
  .header-cta { margin-left: auto; }
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
  .cat-banner { padding: 40px 28px; }
  .cat-banner h1 { font-size: 30px; }
  .featured-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .header-card { padding: 10px 14px; gap: 12px; }
  .logo { font-size: 22px; }
  .header-cta .btn-sm { padding: 0 14px; font-size: 13px; height: 40px; }
  .cat-banner { padding: 28px 18px; border-radius: 14px; margin-bottom: 24px; }
  .cat-banner h1 { font-size: 24px; }
  .cat-banner__subtitle { font-size: 14px; line-height: 1.7; }
  .card { padding: 20px; }
  .card h2, .section-heading { font-size: 22px; }
  .entry-item { flex-direction: column; gap: 10px; padding: 14px; }
  .process-step { padding: 12px 14px; }
  .featured-section { padding: 44px 0; }
  .featured-card .featured-body { padding: 18px; }
  .faq-section { padding: 44px 0; }
  .faq-q { padding: 14px 16px; font-size: 15px; }
  .faq-a { padding: 0 16px; }
  .faq-item.open .faq-a { padding: 12px 16px 16px; }
  .cta-section { padding: 36px 20px; border-radius: 14px; margin-bottom: 32px; }
  .cta-section h2 { font-size: 22px; }
  .cta-buttons { flex-direction: column; gap: 10px; }
  .cta-buttons .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom p { font-size: 12px; }
  .notice-bar { font-size: 13px; padding: 8px 0; }
  .banner-badges { gap: 6px; }
  .badge { padding: 4px 10px; font-size: 12px; }
}

@media (max-width: 520px) {
  .container { padding: 0 14px; }
  .header-card { border-radius: 12px; }
  .header-cta { display: none; }
  .main-nav { left: 14px; right: 14px; }
  .cat-banner h1 { font-size: 21px; }
  .cat-banner__subtitle { font-size: 13px; }
  .featured-grid { grid-template-columns: 1fr; }
  .card h2, .section-heading { font-size: 20px; }
}

/* roulang page: article */
:root {
  --brand: #3E5C76;
  --brand-dark: #334E63;
  --brand-10: rgba(62, 92, 118, .10);
  --brand-08: rgba(62, 92, 118, .08);
  --accent: #C0392B;
  --accent-dark: #A93226;
  --accent-light: #E8A9A2;
  --success: #2E7D32;
  --bg: #F4F6F8;
  --bg-warm: #FAF7F2;
  --card: #FFFFFF;
  --border: #DDE3E8;
  --text: #1F2A36;
  --text-2: #5A6B7B;
  --text-3: #8A97A5;
  --footer-bg: #26323D;
  --footer-text: #C7D0D8;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(31, 42, 54, .06);
  --shadow-hover: 0 10px 28px rgba(31, 42, 54, .10);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --container: 1200px;
  --space-section: 96px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--brand);
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

a:hover {
  color: var(--brand-dark);
  text-decoration: none;
}

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

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: var(--text);
}

ul,
ol {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.site-header {
  position: relative;
}

.notice-bar {
  background: var(--brand-08);
  border-bottom: 1px solid var(--border);
}

.notice-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.notice-text {
  font-size: 13px;
  color: var(--brand-dark);
  line-height: 1.5;
}

.notice-close {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  color: var(--text-2);
  background: transparent;
  transition: background .2s ease, color .2s ease;
}

.notice-close:hover {
  background: var(--brand-10);
  color: var(--brand-dark);
}

.header-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 20px;
  padding: 14px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  letter-spacing: .02em;
}

.logo span {
  color: var(--accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  background: transparent;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-item:hover {
  background: var(--brand-10);
  color: var(--brand);
}

.nav-item.active {
  background: var(--brand-10);
  color: var(--brand);
  font-weight: 600;
}

.nav-item.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 6px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

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

.btn-secondary {
  background: var(--card);
  color: var(--brand);
  border-color: var(--brand);
}

.btn-secondary:hover {
  background: var(--brand-10);
  color: var(--brand-dark);
  border-color: var(--brand-dark);
}

.btn-light {
  background: #fff;
  color: var(--brand-dark);
}

.btn-light:hover {
  background: var(--bg-warm);
  color: var(--brand-dark);
}

.btn-sm {
  height: 44px;
  padding: 0 18px;
}

.btn-lg {
  height: 54px;
  padding: 0 32px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
}

.nav-toggle:hover {
  background: var(--brand-10);
  color: var(--brand);
}

.nav-panel {
  display: none;
  position: absolute;
  left: 20px;
  right: 20px;
  top: calc(100% - 4px);
  z-index: 60;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  padding: 16px;
  flex-direction: column;
  gap: 10px;
}

.nav-panel.open {
  display: flex;
}

.nav-panel .nav-item {
  width: 100%;
  justify-content: flex-start;
  font-size: 16px;
}

.nav-panel .nav-item::after {
  display: none;
}

.nav-panel .btn {
  margin-top: 4px;
}

.breadcrumb {
  margin-top: 24px;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-2);
}

.breadcrumb a {
  color: var(--brand);
}

.breadcrumb a:hover {
  color: var(--brand-dark);
}

.breadcrumb .sep {
  color: var(--text-3);
  user-select: none;
}

.breadcrumb .current {
  color: var(--text-2);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 420px;
}

main {
  padding-bottom: var(--space-section);
}

.article-page {
  margin-top: 32px;
}

.article-main {
  max-width: 880px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.article-head {
  padding: 48px 48px 8px;
}

.article-head-grid {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 40px;
  align-items: center;
}

.article-badge {
  margin-bottom: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--brand-10);
  color: var(--brand);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-2);
}

.meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--text-3);
}

.article-head-media {
  position: relative;
}

.article-cover {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.article-summary {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-2);
  background: var(--bg-warm);
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px;
  margin-top: 24px;
}

.article-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 48px 56px;
}

.article-content h2 {
  margin: 48px 0 20px;
  font-size: 26px;
  line-height: 1.4;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text);
}

.article-content h3 {
  margin: 32px 0 16px;
  font-size: 20px;
  line-height: 1.5;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text);
}

.article-content p {
  margin: 0 0 20px;
  line-height: 1.9;
  color: var(--text);
}

.article-content a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: var(--accent);
}

.article-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  background: var(--bg-warm);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-2);
}

.article-content blockquote p {
  margin-bottom: 0;
  color: var(--text-2);
}

.article-content blockquote cite {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-3);
  font-style: normal;
}

.article-content ul,
.article-content ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.9;
  color: var(--text);
}

.article-content img {
  border-radius: 12px;
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}

.article-content figure {
  margin: 24px 0;
}

.article-content figure img {
  margin: 0;
}

.article-content figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--text-3);
  margin-top: 10px;
}

.article-content pre {
  background: #1F2A36;
  color: #F4F6F8;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  line-height: 1.7;
  margin: 24px 0;
  font-size: 14px;
}

.article-content code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
  background: var(--brand-10);
  color: var(--brand-dark);
  padding: 2px 6px;
  border-radius: 6px;
}

.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
}

.article-content th {
  background: var(--bg);
  font-weight: 600;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0 48px 48px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--text-2);
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}

.tag a {
  color: inherit;
}

.tag:hover {
  background: var(--brand-10);
  border-color: var(--brand);
  color: var(--brand);
}

.not-found-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 72px 48px;
  text-align: center;
  background-image: linear-gradient(rgba(255,255,255,.94), rgba(255,255,255,.94)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}

.not-found-badge {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--brand-10);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-serif);
}

.not-found-card h1 {
  font-size: 30px;
  font-family: var(--font-serif);
  margin-bottom: 12px;
}

.not-found-card p {
  color: var(--text-2);
  margin-bottom: 28px;
}

.related-section {
  padding: 64px 0 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.section-eyebrow {
  display: inline-flex;
  padding: 6px 14px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 30px;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.8;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.empty-state-card {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  background: var(--bg-warm);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  color: var(--text-2);
}

.empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--brand-10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--brand);
}

.empty-icon svg {
  width: 24px;
  height: 24px;
}

.empty-state-card p {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.empty-state-card span {
  font-size: 14px;
  color: var(--text-3);
}

.cta-section {
  padding: 64px 0 0;
}

.cta-card {
  position: relative;
  background-image: linear-gradient(rgba(38, 50, 61, .85), rgba(38, 50, 61, .85)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-radius: 20px;
  padding: 64px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.cta-content {
  max-width: 720px;
  margin: 0 auto;
}

.cta-content .section-eyebrow {
  background: rgba(255,255,255,.16);
  color: #fff;
  margin-bottom: 16px;
}

.cta-content h2 {
  font-size: 30px;
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,.86);
  max-width: 560px;
  margin: 0 auto 32px;
}

.cta-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.form-input {
  height: 48px;
  padding: 0 16px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.96);
  color: var(--text);
  min-width: 280px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.form-input::placeholder {
  color: var(--text-3);
}

.form-input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(62, 92, 118, .22);
}

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

.comment {
  font-size: 14px;
  color: rgba(255,255,255,.72);
  margin-top: 20px;
}

.site-footer {
  margin-top: 64px;
  background: var(--footer-bg);
  color: var(--footer-text);
  font-size: 14px;
}

.site-footer .logo {
  color: #fff;
}

.site-footer .logo span {
  color: var(--accent-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding: 64px 0 40px;
}

.footer-brand p {
  margin-top: 16px;
  line-height: 1.9;
  color: #B7C2CB;
  max-width: 360px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  font-family: var(--font-sans);
  letter-spacing: .02em;
}

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

.footer-links a {
  color: var(--footer-text);
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
  background: none;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact span {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--footer-text);
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  color: #92A1AE;
  font-size: 13px;
}

.footer-bottom a {
  color: #B7C2CB;
}

.footer-bottom a:hover {
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .article-head-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .article-head-media {
    max-width: 420px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-card {
    margin-top: 12px;
    padding: 12px 16px;
    gap: 12px;
  }
  .logo {
    font-size: 19px;
  }
  .nav-panel {
    left: 16px;
    right: 16px;
  }
  .breadcrumb {
    margin-top: 16px;
    font-size: 13px;
  }
  .breadcrumb .current {
    max-width: 200px;
  }
  .article-page {
    margin-top: 20px;
  }
  .article-main {
    max-width: 100%;
  }
  .article-head {
    padding: 28px 20px 4px;
  }
  .article-title {
    font-size: 26px;
  }
  .article-meta {
    gap: 10px;
  }
  .article-summary {
    font-size: 15px;
    padding: 14px 16px;
  }
  .article-content {
    padding: 28px 20px 40px;
  }
  .article-content h2 {
    font-size: 22px;
    margin-top: 36px;
  }
  .article-content h3 {
    font-size: 18px;
  }
  .article-tags {
    padding: 0 20px 28px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .empty-state-card {
    grid-column: auto;
  }
  .cta-card {
    padding: 40px 24px;
    border-radius: 16px;
  }
  .cta-content h2 {
    font-size: 24px;
  }
  .cta-form {
    flex-direction: column;
    align-items: stretch;
  }
  .form-input {
    width: 100%;
    min-width: 0;
  }
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-lg {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 24px;
  }
  .footer-brand p {
    max-width: 100%;
  }
}

@media (max-width: 520px) {
  .notice-text {
    font-size: 12px;
  }
  .header-card {
    align-items: center;
  }
  .logo {
    font-size: 17px;
  }
  .article-head {
    padding: 22px 16px 0;
  }
  .article-title {
    font-size: 22px;
  }
  .article-content {
    padding: 24px 16px 32px;
  }
  .article-content {
    font-size: 15px;
  }
  .article-tags {
    padding: 0 16px 24px;
  }
  .article-summary {
    font-size: 14px;
  }
  .meta-item {
    font-size: 12px;
  }
  .not-found-card {
    padding: 48px 24px;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .section-desc {
    font-size: 14px;
  }
  .cta-card {
    padding: 32px 18px;
  }
  .cta-content h2 {
    font-size: 22px;
  }
  .footer-bottom {
    font-size: 12px;
    line-height: 1.6;
  }
}