/* roulang page: index */
:root {
  --primary: #1F3B36;
  --primary-dark: #162E2A;
  --accent: #B44A3A;
  --accent-dark: #9E3D2F;
  --gold: #AE8253;
  --bg: #F7F3EB;
  --surface: #FFFFFF;
  --surface-warm: #FFFCF8;
  --text: #201F1C;
  --text-secondary: #6E6A62;
  --border: #E8E2D5;
  --success: #3F6E4F;
  --warning: #C47B32;
  --error: #B44343;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-badge: 6px;
  --shadow-card: 0 8px 30px rgba(31,59,54,0.08);
  --shadow-hover: 0 14px 40px rgba(31,59,54,0.14);
  --container: 1240px;
  --space-section: 96px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);background:var(--bg);color:var(--text);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}
.container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:var(--space-section) 0}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.section-label::before{content:"";width:24px;height:2px;background:var(--gold);display:inline-block}
.section-title{font-size:32px;font-weight:700;line-height:1.3;color:var(--primary);margin-bottom:16px}
.section-subtitle{font-size:16px;color:var(--text-secondary);line-height:1.8;max-width:640px}
.text-center{text-align:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 28px;font-size:15px;font-weight:600;border-radius:var(--radius-btn);border:2px solid transparent;cursor:pointer;transition:all .3s ease;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(180,74,58,.3)}
.btn-outline{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);backdrop-filter:blur(4px)}
.btn-outline:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-block{width:100%}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Topbar */
.topbar{background:var(--primary);color:rgba(247,243,235,.9);font-size:12px;height:38px;display:flex;align-items:center}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;width:100%}
.topbar-domain{opacity:.8;letter-spacing:.02em}
.topbar-links{display:flex;gap:24px}
.topbar-links a{color:rgba(247,243,235,.9);text-decoration:none;transition:color .25s}
.topbar-links a:hover{color:var(--gold)}

/* Main Nav */
.main-nav{position:sticky;top:0;z-index:100;background:rgba(255,252,248,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:72px;display:flex;align-items:center}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%;gap:32px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{width:40px;height:40px;background:var(--primary);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;font-family:"Noto Serif SC",serif;box-shadow:0 4px 12px rgba(31,59,54,.2)}
.logo-text{font-size:22px;font-weight:800;color:var(--primary);letter-spacing:.02em}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-item{font-size:15px;font-weight:500;color:var(--text);padding:8px 0;position:relative;text-decoration:none;transition:color .25s}
.nav-item::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;border-radius:3px}
.nav-item:hover{color:var(--accent)}
.nav-item:hover::after{transform:scaleX(1)}
.nav-item.active{color:var(--primary);font-weight:600}
.nav-item.active::after{transform:scaleX(1)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:10px}
.nav-toggle span{width:24px;height:2px;background:var(--primary);border-radius:2px;transition:all .3s ease}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Hero */
.hero{position:relative;background-image:linear-gradient(100deg,rgba(31,59,54,.65) 0%,rgba(31,59,54,.45) 50%,rgba(31,59,54,.2) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;color:#fff;padding:140px 0 120px;min-height:640px;display:flex;align-items:center}
.hero-content{max-width:700px}
.hero h1{font-size:44px;font-weight:800;line-height:1.2;margin-bottom:24px;letter-spacing:.01em;color:#fff}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(247,243,235,.92);margin-bottom:36px;max-width:560px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,0,0,.35);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.2);padding:8px 18px;border-radius:999px;font-size:13px;font-weight:500;color:#fff}

/* Services */
.services{background:var(--bg)}
.services-grid{display:grid;grid-template-columns:4fr 8fr;gap:64px;align-items:start}
.services-left{margin-top:40px}
.services-left .section-title{font-size:30px}
.services-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.service-card{background:var(--surface);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card);border:1px solid var(--border);position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;text-decoration:none;display:block}
.service-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover .service-arrow{color:var(--accent);transform:translateX(4px)}
.service-icon{width:48px;height:48px;background:var(--primary);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:#fff}
.service-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.service-card p{font-size:14px;color:var(--text-secondary);line-height:1.8}
.service-arrow{position:absolute;right:20px;bottom:20px;font-size:20px;color:var(--border);transition:all .3s ease}

/* Stats */
.stats{background:var(--primary);padding:80px 0;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{text-align:center;padding:20px;border-right:1px solid rgba(255,255,255,.12)}
.stat-item:last-child{border-right:none}
.stat-number{font-size:48px;font-weight:800;line-height:1.2;display:block;color:#fff;margin-bottom:8px}
.stat-label{font-size:13px;color:rgba(247,243,235,.75);letter-spacing:.04em}

/* Cases */
.cases{background:var(--bg)}
.cases-header{text-align:center;margin-bottom:56px}
.cases-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.case-card{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);text-decoration:none;display:block;transition:transform .3s,box-shadow .3s}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.case-card img{width:100%;height:320px;object-fit:cover;transition:transform .5s ease}
.case-card:hover img{transform:scale(1.05)}
.case-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to top,rgba(0,0,0,.65) 0%,transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:32px;transition:background .3s}
.case-card:hover .case-overlay{background:linear-gradient(to top,rgba(0,0,0,.72) 0%,transparent 65%)}
.case-category{display:inline-block;background:var(--gold);color:#fff;font-size:12px;font-weight:600;padding:5px 14px;border-radius:999px;margin-bottom:12px;width:fit-content}
.case-title{font-size:20px;font-weight:700;color:#fff;line-height:1.4}
.case-desc{font-size:14px;color:rgba(255,255,255,.85);margin-top:6px}

/* Solutions */
.solutions{background:var(--surface-warm)}
.solution-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:48px 0;border-bottom:2px solid var(--border)}
.solution-row:last-child{border-bottom:none}
.solution-row:nth-child(even){direction:rtl}
.solution-row:nth-child(even) .solution-text{direction:ltr}
.solution-row:nth-child(even) .solution-image{direction:ltr}
.solution-image img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-card)}
.solution-text .section-title{font-size:28px;margin-bottom:12px}
.solution-text p{margin-bottom:16px;color:var(--text-secondary);font-size:15px}
.solution-list{margin-top:20px}
.solution-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;font-size:15px;color:var(--text)}
.solution-list li::before{content:"✓";flex-shrink:0;width:22px;height:22px;background:var(--success);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px}
.solution-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--accent);text-decoration:none;margin-top:12px;transition:gap .25s}
.solution-link:hover{gap:10px}

/* News */
.news{background:var(--bg)}
.news-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px}
.news-header .section-title{margin-bottom:0}
.news-more{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px;transition:gap .25s}
.news-more:hover{gap:10px}
.news-list{border-top:1px solid var(--border)}
.news-row{display:flex;gap:32px;padding:24px 0;border-bottom:1px solid var(--border)}
.news-date{flex-shrink:0;width:100px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--surface);border-radius:12px;border:1px solid var(--border);padding:10px;height:fit-content}
.news-date span:first-child{font-size:24px;font-weight:800;color:var(--primary);line-height:1.2}
.news-date span:last-child{font-size:12px;color:var(--text-secondary);line-height:1.4;text-align:center}
.news-content{flex:1}
.news-content h3{font-size:16px;font-weight:700;margin-bottom:6px}
.news-content h3 a{color:var(--text);text-decoration:none;transition:color .25s}
.news-content h3 a:hover{color:var(--accent)}
.news-content p{font-size:14px;color:var(--text-secondary);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.news-meta{display:flex;align-items:center;gap:16px}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:4px 12px;background:rgba(174,130,83,.12);color:var(--gold);border-radius:var(--radius-badge);border:1px solid rgba(174,130,83,.3)}
.read-more{font-size:13px;font-weight:600;color:var(--accent);text-decoration:none;display:inline-flex;align-items:center;gap:4px;transition:gap .25s}
.read-more:hover{gap:8px}
.news-empty{border:2px dashed var(--border);border-radius:var(--radius-card);padding:60px;text-align:center;background:var(--surface);margin-top:24px}
.news-empty-icon{font-size:32px;margin-bottom:12px;display:block}
.news-empty p{font-size:15px;color:var(--text-secondary)}

/* FAQ */
.faq{background:var(--surface-warm)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow-card)}
.faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;background:none;border:none;cursor:pointer;padding:0 24px;height:56px;font-size:16px;font-weight:600;color:var(--text);text-align:left;transition:color .3s}
.faq-question:hover{color:var(--accent)}
.faq-question .faq-arrow{font-size:18px;color:var(--text-secondary);transition:transform .3s ease;margin-left:16px}
.faq-item.active .faq-arrow{transform:rotate(180deg);color:var(--accent)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}
.faq-answer-inner{padding:0 24px 24px;font-size:15px;color:var(--text-secondary);line-height:1.8}
.faq-item.active .faq-answer{max-height:500px}
.faq-item.active .faq-answer-inner{padding-top:0}

/* Contact */
.contact{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px}
.contact-info-card{background:var(--primary);border-radius:var(--radius-card);padding:40px;color:#fff}
.contact-info-card h3{font-size:20px;font-weight:700;margin-bottom:16px;color:#fff}
.contact-info-card p{font-size:14px;color:rgba(247,243,235,.85);margin-bottom:24px;line-height:1.8}
.contact-row{display:flex;gap:16px;align-items:flex-start;margin-bottom:16px}
.contact-row-icon{width:18px;height:18px;border-radius:50%;background:var(--gold);flex-shrink:0;margin-top:6px}
.contact-row-text{font-size:14px;color:rgba(247,243,235,.9);line-height:1.6}
.contact-form-card{background:var(--surface);border-radius:var(--radius-card);padding:40px;box-shadow:var(--shadow-card);border:1px solid var(--border)}
.contact-form-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.contact-form-card>p{font-size:14px;color:var(--text-secondary);margin-bottom:28px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.form-control{width:100%;height:48px;background:var(--surface);border:1px solid #E5DED2;border-radius:var(--radius-btn);padding:0 16px;font-size:15px;color:var(--text);transition:border-color .25s,box-shadow .25s}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(180,74,58,.1)}
textarea.form-control{height:120px;padding:14px 16px;resize:vertical;line-height:1.6}

/* Footer */
.site-footer{background:var(--primary-dark);color:rgba(247,243,235,.8);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:3fr 2fr 2fr 3fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(247,243,235,.6);margin-top:16px}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(247,243,235,.65);text-decoration:none;transition:color .25s}
.footer-links a:hover{color:var(--gold)}
.footer-contact li{font-size:14px;color:rgba(247,243,235,.65);margin-bottom:10px;display:flex;gap:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;text-align:center;font-size:12px;color:rgba(247,243,235,.4)}

/* Responsive */
@media (max-width:1024px){
  :root{--space-section:72px}
  .services-grid{grid-template-columns:1fr;gap:32px}
  .services-left{margin-top:0}
  .solution-row{grid-template-columns:1fr;gap:32px}
  .solution-row:nth-child(even){direction:ltr}
  .cases-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--space-section:64px}
  .main-nav{height:auto;padding:12px 0}
  .nav-menu{display:none;flex-direction:column;background:var(--surface-warm);position:absolute;top:100%;left:0;width:100%;padding:20px 24px;box-shadow:0 20px 40px rgba(31,59,54,.12);border-bottom:1px solid var(--border)}
  .nav-menu.open{display:flex}
  .nav-item{width:100%;padding:14px 0;border-bottom:1px solid var(--border);text-align:left}
  .nav-item::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero{padding:100px 0 80px;min-height:auto}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:0}
  .stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:24px 12px}
  .stat-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.1)}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:none}
  .stat-number{font-size:36px}
  .services-list{grid-template-columns:1fr}
  .news-row{flex-direction:column;gap:12px}
  .news-date{width:100%;flex-direction:row;justify-content:flex-start;gap:8px;background:none;border:none;padding:0}
  .news-date span:first-child{font-size:16px}
  .news-date span:last-child{font-size:13px}
  .case-card img{height:220px}
  .solution-image img{height:240px}
  .faq-question{height:auto;padding:18px 20px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .contact-form-card{padding:28px}
  .hero-buttons .btn{width:100%;justify-content:center}
  .hero-badge{font-size:12px;padding:6px 14px}
}
@media (max-width:576px){
  .container{padding-left:16px;padding-right:16px}
  .section-title{font-size:26px}
  .hero h1{font-size:28px}
  .hero-badges{flex-direction:column;align-items:flex-start}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-number{font-size:30px}
  .service-card{padding:22px}
  .case-card img{height:180px}
  .contact-info-card,.contact-form-card{padding:24px}
  .btn{padding:0 20px;font-size:14px}
}

/* roulang page: article */
:root{
  --ink:#1F3B36;
  --ink-deep:#162E2A;
  --cinnabar:#B44A3A;
  --cinnabar-dark:#9E3E30;
  --gold:#AE8253;
  --paper:#F7F3EB;
  --surface:#FFFFFF;
  --surface-warm:#FFFCF8;
  --text:#201F1C;
  --text-weak:#6E6A62;
  --line:#E8E2D5;
  --success:#3F6E4F;
  --warning:#C47B32;
  --danger:#B44343;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-card:0 8px 30px rgba(31,59,54,0.08);
  --shadow-hover:0 14px 40px rgba(31,59,54,0.14);
  --container:1240px;
  --space-section:96px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--cinnabar);outline-offset:2px}
img{display:block;max-width:100%}
button,input,textarea{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{background:var(--cinnabar);color:#fff;box-shadow:0 6px 20px rgba(180,74,58,0.25)}
.btn-primary:hover{background:var(--cinnabar-dark);transform:translate(-2px,2px);box-shadow:0 10px 26px rgba(180,74,58,0.32)}
.btn-outline{background:rgba(255,255,255,0.12);color:#fff;border-color:rgba(255,255,255,0.65);backdrop-filter:blur(4px)}
.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.site-header{position:relative;z-index:50}
.topbar{background:rgba(31,59,54,0.92);color:rgba(247,243,235,0.9);font-size:12px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:38px}
.topbar-domain{letter-spacing:.3px;color:rgba(247,243,235,0.75)}
.topbar-links{display:flex;gap:24px}
.topbar-links a{color:rgba(247,243,235,0.85)}
.topbar-links a:hover{color:var(--gold)}
.main-nav{
  position:sticky;top:0;z-index:40;
  background:rgba(255,252,248,0.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--ink);color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;letter-spacing:0;
}
.logo-text{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-item{
  font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;position:relative;line-height:1.4;
}
.nav-item::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:3px;
  background:var(--cinnabar);border-radius:2px;transition:width .25s ease;
}
.nav-item:hover{color:var(--cinnabar)}
.nav-item:hover::after{width:100%}
.nav-item.active{color:var(--ink);font-weight:600}
.nav-item.active::after{width:100%}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;background:none;border:none;
  width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* breadcrumb */
.breadcrumb-bar{background:#EFEAE1;border-bottom:1px solid var(--line)}
.breadcrumb-inner{display:flex;align-items:center;gap:10px;height:48px;font-size:13px;color:var(--text-weak)}
.breadcrumb-inner a:hover{color:var(--cinnabar)}
.breadcrumb-inner .current{color:var(--text);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:360px}
.breadcrumb-inner span:not(.current){color:#B9B2A5}
/* article main */
.article-page{padding-top:48px;padding-bottom:24px}
.article-wrap{max-width:860px;margin:0 auto}
.article-header{margin-bottom:32px}
.article-header h1{
  font-size:36px;font-weight:700;line-height:1.3;color:var(--ink);
  letter-spacing:.5px;margin-bottom:14px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13px;color:var(--text-weak)}
.article-meta i{color:var(--gold);margin-right:4px}
.article-meta .divider{width:1px;height:14px;background:var(--line)}
.article-body{
  background:var(--surface-warm);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:48px 56px;
  box-shadow:var(--shadow-card);
}
.article-body h2{
  font-size:26px;font-weight:700;color:var(--ink);
  margin-top:40px;margin-bottom:16px;line-height:1.4;
}
.article-body h2:first-child{margin-top:0}
.article-body h3{
  font-size:20px;font-weight:600;color:var(--ink);
  margin-top:30px;margin-bottom:12px;line-height:1.5;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin-top:24px;margin-bottom:8px}
.article-body p{font-size:16px;line-height:1.9;color:var(--text);margin-bottom:20px}
.article-body p:last-child{margin-bottom:0}
.article-body a{color:var(--cinnabar);border-bottom:1px solid transparent}
.article-body a:hover{border-bottom-color:var(--cinnabar)}
.article-body ul,.article-body ol{margin:0 0 20px 0;padding-left:24px}
.article-body li{margin-bottom:8px;line-height:1.8}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  border-left:4px solid var(--cinnabar);
  background:var(--paper);
  border-radius:0 12px 12px 0;
  color:var(--text-weak);
  font-size:15px;line-height:1.8;
}
.article-body blockquote p{margin-bottom:0}
.article-body img{
  max-width:100%;height:auto;border-radius:12px;
  margin:32px auto;display:block;
}
.article-body figure{margin:32px 0}
.article-body figcaption{font-size:13px;color:var(--text-weak);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.article-body th{
  background:var(--ink);color:#fff;font-weight:600;padding:12px 16px;text-align:left;
}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);background:#fff}
.article-body tr:nth-child(even) td{background:var(--surface-warm)}
.article-body code{
  background:#EFEAE1;color:var(--cinnabar-dark);border-radius:4px;
  padding:2px 6px;font-size:14px;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
.article-body pre{
  background:var(--ink-deep);color:#E8E2D5;border-radius:12px;
  padding:24px;margin:28px 0;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;color:inherit;padding:0;font-size:inherit}
.article-not-found{
  text-align:center;padding:64px 24px;
}
.article-not-found i{font-size:44px;color:var(--gold);margin-bottom:16px}
.article-not-found h2{font-size:26px;color:var(--ink);margin-bottom:12px}
.article-not-found p{color:var(--text-weak);margin-bottom:24px}
/* tags */
.article-footer{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.article-footer .label{font-size:14px;color:var(--text-weak)}
.tag{
  display:inline-flex;align-items:center;padding:5px 14px;
  background:#EFEAE1;border-radius:var(--radius-badge);
  font-size:13px;color:var(--text-weak);transition:all .2s ease;
}
.tag:hover{background:var(--ink);color:#fff}
/* related */
.related-section{padding:80px 0 40px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:32px}
.related-head h2{font-size:28px;font-weight:700;color:var(--ink)}
.related-head .more{font-size:14px;color:var(--text-weak)}
.related-head .more:hover{color:var(--cinnabar)}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.related-card{
  display:flex;gap:18px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:14px;box-shadow:var(--shadow-card);transition:all .3s ease;
}
.related-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.related-thumb{
  width:150px;height:110px;flex-shrink:0;border-radius:12px;overflow:hidden;
  background:var(--ink);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-info{display:flex;flex-direction:column;justify-content:center;min-width:0}
.related-info h3{font-size:16px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-info p{font-size:13px;color:var(--text-weak);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-info .link{
  margin-top:10px;font-size:13px;font-weight:600;color:var(--cinnabar);
}
.related-info .link i{transition:transform .2s ease}
.related-info .link:hover i{transform:translateX(4px)}
/* cta */
.cta-section{padding:72px 0 96px}
.cta-box{
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-deep) 100%);
  border-radius:20px;padding:56px 64px;position:relative;overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(174,130,83,0.12);
}
.cta-box::after{
  content:"";position:absolute;bottom:-100px;left:30%;width:280px;height:280px;
  border-radius:50%;background:rgba(180,74,58,0.08);
}
.cta-box .container{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:0}
.cta-box h2{font-size:28px;font-weight:700;color:#fff;margin-bottom:10px}
.cta-box p{color:rgba(247,243,235,0.75);font-size:15px;max-width:640px}
.cta-box .btn{flex-shrink:0}
/* back link */
.back-to-list{text-align:center;padding:24px 0 64px}
.back-to-list a{font-size:15px;font-weight:600;color:var(--text-weak);transition:color .2s ease}
.back-to-list a i{transition:transform .2s ease}
.back-to-list a:hover{color:var(--cinnabar)}
.back-to-list a:hover i{transform:translateX(-4px)}
/* footer */
.site-footer{background:var(--ink);color:rgba(247,243,235,0.75)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:48px;padding:72px 0 56px;
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(247,243,235,0.6)}
.footer-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links li a{font-size:14px;color:rgba(247,243,235,0.6);transition:color .2s ease}
.footer-links li a:hover{color:var(--gold)}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(247,243,235,0.6)}
.footer-bottom{background:var(--ink-deep);border-top:1px solid rgba(255,255,255,0.06)}
.footer-bottom .container{display:flex;align-items:center;justify-content:center;height:56px;font-size:12px;color:rgba(247,243,235,0.45)}
/* responsive */
@media (max-width:1024px){
  :root{--space-section:80px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .related-card{flex-direction:column}
  .related-thumb{width:100%;height:140px}
}
@media (max-width:768px){
  :root{--space-section:64px}
  .nav-menu{
    position:fixed;top:110px;left:0;right:0;bottom:0;z-index:55;
    background:var(--surface-warm);flex-direction:column;
    align-items:flex-start;justify-content:flex-start;gap:0;
    padding:24px;transform:translateX(100%);transition:transform .3s ease;
    border-top:1px solid var(--line);overflow-y:auto;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-item{font-size:18px;padding:16px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-item::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .topbar-links{display:none}
  .topbar-inner{justify-content:center}
  .article-header h1{font-size:30px}
  .article-body{padding:32px 24px}
  .related-grid{grid-template-columns:1fr}
  .cta-box{padding:40px 28px}
  .cta-box .container{flex-direction:column;text-align:center}
  .cta-box h2{font-size:24px}
  .breadcrumb-inner .current{max-width:200px}
}
@media (max-width:576px){
  .container{padding-left:18px;padding-right:18px}
  .article-page{padding-top:32px}
  .article-header h1{font-size:26px}
  .article-body{padding:24px 18px;border-radius:12px}
  .article-body h2{font-size:22px}
  .related-thumb{height:110px}
  .footer-grid{grid-template-columns:1fr}
  .breadcrumb-inner .current{max-width:140px}
}

/* roulang page: category1 */
:root{
  --primary:#1F3B36;
  --primary-dark:#162E2A;
  --accent:#B44A3A;
  --accent-dark:#9E3E30;
  --gold:#AE8253;
  --bg:#F7F3EB;
  --surface:#FFFFFF;
  --surface-warm:#FFFCF8;
  --text:#201F1C;
  --text-muted:#6E6A62;
  --border:#E8E2D5;
  --success:#3F6E4F;
  --warning:#C47B32;
  --error:#B44343;
  --radius:16px;
  --radius-sm:10px;
  --radius-xs:6px;
  --shadow:0 8px 30px rgba(31,59,54,.08);
  --shadow-lg:0 14px 40px rgba(31,59,54,.14);
  --container:1240px;
  --space:96px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section-tag{display:inline-block;padding:6px 14px;background:rgba(174,130,83,.12);color:var(--gold);border-radius:var(--radius-xs);font-size:13px;font-weight:600;letter-spacing:1px}

/* topbar */
.topbar{background:var(--primary);color:rgba(247,243,235,.92);font-size:12px;height:38px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:38px}
.topbar-domain{letter-spacing:.3px}
.topbar-links a{color:rgba(247,243,235,.92);margin-left:24px;transition:color .2s}
.topbar-links a:hover{color:var(--gold)}

/* nav */
.main-nav{position:sticky;top:0;z-index:100;background:rgba(255,252,248,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;height:72px;gap:32px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;flex-shrink:0}
.logo-text{font-size:22px;font-weight:700;color:var(--primary);letter-spacing:1px}
.nav-menu{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-item{font-size:15px;color:var(--text);position:relative;padding:8px 0;transition:color .2s;line-height:1.4}
.nav-item::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;border-radius:2px;background:var(--accent);transform:scaleX(0);transition:transform .25s}
.nav-item:hover{color:var(--primary)}
.nav-item:hover::after{transform:scaleX(.7)}
.nav-item.active{color:var(--primary);font-weight:600}
.nav-item.active::after{transform:scaleX(1)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto}
.nav-toggle span{width:22px;height:2px;background:var(--primary);transition:all .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:all .25s;line-height:1.2}
.btn-primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(2px)}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}

/* banner */
.page-banner{position:relative;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;padding:92px 0}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(31,59,54,.82) 0%,rgba(31,59,54,.62) 45%,rgba(31,59,54,.36) 100%)}
.page-banner .container{position:relative;z-index:1}
.page-banner h1{font-size:42px;color:#fff;font-weight:700;line-height:1.2;margin-bottom:16px;letter-spacing:.5px}
.page-banner p{font-size:18px;color:rgba(247,243,235,.92);max-width:660px;line-height:1.8}

/* guide section */
.guide-section{padding:96px 0}
.guide-wrap{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.guide-aside .section-tag{margin-bottom:20px}
.guide-aside h2{font-size:30px;color:var(--primary);line-height:1.3;margin-bottom:20px;font-weight:700}
.guide-aside .guide-intro{font-size:15px;color:var(--text-muted);line-height:1.8;margin-bottom:28px}
.guide-aside .guide-figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);max-height:320px}
.guide-aside .guide-figure img{width:100%;height:100%;object-fit:cover}
.guide-content{display:flex;flex-direction:column;gap:40px}
.guide-block{border-left:2px solid var(--border);padding:2px 0 10px 28px;position:relative}
.guide-block::before{content:"";position:absolute;left:-5px;top:10px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.guide-block h3{font-size:22px;color:var(--primary);margin-bottom:14px;font-weight:700;line-height:1.4}
.guide-block p{font-size:15px;color:var(--text-muted);line-height:1.8;margin-bottom:14px}
.guide-block p:last-child{margin-bottom:0}

/* promise strip */
.promise-strip{background:var(--primary);padding:48px 0}
.promise-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.promise-item{text-align:center;color:#fff;padding:8px 28px;position:relative}
.promise-item+.promise-item::before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:1px;background:rgba(255,255,255,.15)}
.promise-icon{width:48px;height:48px;margin:0 auto 12px;border-radius:12px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--gold)}
.promise-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.promise-item p{font-size:13px;color:rgba(247,243,235,.7);line-height:1.7}

/* faq */
.faq-section{padding:96px 0}
.section-header{text-align:center;margin-bottom:48px}
.section-header .section-tag{background:rgba(174,130,83,.12);color:var(--gold)}
.section-header h2{font-size:32px;color:var(--primary);margin-top:16px;font-weight:700}
.faq-wrap{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:var(--surface-warm);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item.open{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:18px 24px;font-size:16px;font-weight:600;color:var(--text);text-align:left;transition:color .2s}
.faq-question:hover{color:var(--primary)}
.faq-arrow{width:12px;height:12px;border-right:2px solid var(--text-muted);border-bottom:2px solid var(--text-muted);transform:rotate(45deg);transition:transform .3s,border-color .3s;flex-shrink:0;margin-left:16px}
.faq-item.open .faq-arrow{transform:rotate(-135deg);border-color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer-inner{padding:0 24px 20px;font-size:15px;color:var(--text-muted);line-height:1.8}
.faq-item.open .faq-answer{max-height:260px}

/* contact */
.cta-section{padding:96px 0;background:var(--surface)}
.cta-wrap{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.cta-info h2{font-size:30px;color:var(--primary);margin-bottom:16px;font-weight:700}
.cta-info p{font-size:15px;color:var(--text-muted);margin-bottom:24px;max-width:460px;line-height:1.8}
.contact-list{display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--text)}
.contact-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--gold));flex-shrink:0}
.form-card{background:var(--surface-warm);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-row{display:flex;flex-direction:column}
.form-row+.form-row{margin-top:18px}
.form-row label{font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text)}
.form-row input,.form-row textarea{height:48px;border:1px solid #E5DED2;border-radius:var(--radius-sm);padding:0 14px;font-size:15px;background:#fff;transition:border-color .2s;outline:none;width:100%}
.form-row textarea{height:110px;padding:12px 14px;resize:vertical}
.form-row input:focus,.form-row textarea:focus{border-color:var(--accent);border-width:2px;padding-left:13px}
.form-submit{margin-top:22px;width:100%}

/* footer */
.site-footer{background:var(--primary);color:rgba(247,243,235,.72);font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding:64px 0 48px}
.footer-brand .logo .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(247,243,235,.62);max-width:300px}
.footer-title{font-size:16px;color:#fff;margin-bottom:18px;font-weight:600;letter-spacing:.5px}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(247,243,235,.72);transition:color .2s}
.footer-links a:hover{color:var(--gold)}
.footer-contact li{color:rgba(247,243,235,.62)}
.footer-bottom{background:var(--primary-dark);padding:18px 0;font-size:12px;color:rgba(247,243,235,.55);text-align:center}

/* responsive */
@media(max-width:1024px){
  .guide-wrap{grid-template-columns:4fr 6fr;gap:40px}
  .cta-wrap{gap:40px}
}
@media(max-width:768px){
  :root{--space:64px}
  .nav-menu{position:fixed;top:110px;right:0;width:300px;height:calc(100vh - 110px);background:var(--surface-warm);flex-direction:column;align-items:flex-start;padding:32px 28px;gap:22px;transform:translateX(100%);transition:transform .3s;box-shadow:-20px 0 40px rgba(31,59,54,.12);border-left:1px solid var(--border);margin-left:0}
  .nav-menu.open{transform:translateX(0)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .page-banner{padding:64px 0}
  .page-banner h1{font-size:30px}
  .page-banner p{font-size:16px}
  .guide-section{padding:64px 0}
  .guide-wrap{grid-template-columns:1fr}
  .guide-aside .guide-figure{max-height:220px}
  .promise-inner{grid-template-columns:1fr;gap:28px}
  .promise-item+.promise-item::before{display:none}
  .promise-item{padding:0 20px}
  .faq-section{padding:64px 0}
  .cta-section{padding:64px 0}
  .cta-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:576px){
  .container{padding:0 16px}
  .topbar-links{display:none}
  .topbar-domain{font-size:11px}
  .footer-grid{grid-template-columns:1fr}
  .form-card{padding:24px}
  .page-banner p{font-size:15px}
  .guide-block{padding-left:20px}
}

/* roulang page: category2 */
:root {
  --primary: #1F3B36;
  --primary-dark: #162E2A;
  --accent: #B44A3A;
  --accent-dark: #9E3E30;
  --gold: #AE8253;
  --bg: #F7F3EB;
  --surface: #FFFFFF;
  --surface-warm: #FFFCF8;
  --text: #201F1C;
  --muted: #6E6A62;
  --border: #E8E2D5;
  --success: #3F6E4F;
  --warning: #C47B32;
  --error: #B44343;
  --radius: 16px;
  --radius-btn: 10px;
  --radius-badge: 6px;
  --shadow: 0 8px 30px rgba(31, 59, 54, 0.08);
  --shadow-hover: 0 14px 40px rgba(31, 59, 54, 0.14);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1240px;
  --space-section: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

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

/* ===== 顶部信息条 ===== */
.topbar {
  background: var(--primary);
  height: 38px;
  display: flex;
  align-items: center;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.topbar-domain {
  font-size: 12px;
  color: rgba(247, 243, 235, 0.85);
  letter-spacing: 0.02em;
}

.topbar-links {
  display: flex;
  gap: 24px;
}

.topbar-links a {
  font-size: 12px;
  color: rgba(247, 243, 235, 0.9);
}

.topbar-links a:hover {
  color: var(--gold);
}

/* ===== 主导航 ===== */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  background: rgba(255, 252, 248, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: var(--bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.nav-item {
  font-size: 15px;
  color: var(--text);
  padding: 8px 2px;
  position: relative;
  font-weight: 500;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 3px;
  background: var(--accent);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-item:hover {
  color: var(--accent);
}

.nav-item:hover::after {
  width: 100%;
}

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

.nav-item.active::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(180, 74, 58, 0.28);
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(180, 74, 58, 0.34);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

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

.btn-light {
  background: rgba(255, 255, 255, 0.12);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  backdrop-filter: blur(4px);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  cursor: pointer;
  padding: 0 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: var(--transition);
}

/* ===== 横幅头 ===== */
.page-banner {
  background: linear-gradient(115deg, rgba(31, 59, 54, 0.62) 0%, rgba(31, 59, 54, 0.38) 60%, rgba(31, 59, 54, 0.25) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 92px 0 84px;
  position: relative;
}

.page-banner .banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.28);
  border-radius: var(--radius-badge);
  padding: 6px 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.page-banner .banner-tag i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  display: inline-block;
}

.page-banner h1 {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  max-width: 640px;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}

.page-banner .banner-sub {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
}

/* ===== 通用板块 ===== */
.section {
  padding: var(--space-section) 0;
}

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

.section-head {
  margin-bottom: 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-tag::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.section-desc {
  font-size: 15px;
  color: var(--muted);
  max-width: 720px;
  margin-top: 12px;
}

/* ===== 资讯大图 ===== */
.feature-media {
  padding-top: 0;
}

.feature-media .media-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.feature-media .media-wrap img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.feature-media .media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(31, 59, 54, 0.78) 0%, rgba(31, 59, 54, 0.32) 70%, rgba(31, 59, 54, 0.08) 100%);
  display: flex;
  align-items: center;
}

.feature-media .media-content {
  max-width: 560px;
  padding: 40px;
}

.feature-media .media-content h2 {
  font-size: 28px;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 14px;
}

.feature-media .media-content p {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 20px;
}

/* ===== 通栏横条卡片列表 ===== */
.info-card-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--surface-warm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: 0 4px 18px rgba(31, 59, 54, 0.04);
  transition: var(--transition);
}

.info-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: rgba(180, 74, 58, 0.35);
}

.info-card .card-index {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.info-card .card-body {
  flex: 1;
}

.info-card .card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  transition: var(--transition);
}

.info-card:hover .card-body h3 {
  color: var(--accent);
}

.info-card .card-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 860px;
}

.info-card .card-link {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.info-card .card-link::after {
  content: "→";
  font-size: 16px;
  transition: var(--transition);
}

.info-card:hover .card-link {
  color: var(--accent);
}

.info-card:hover .card-link::after {
  transform: translateX(4px);
}

/* ===== 内容矩阵 ===== */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.matrix-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition);
}

.matrix-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.matrix-item .matrix-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 16px;
  background: rgba(31, 59, 54, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
}

.matrix-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.matrix-item p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ===== 流程 ===== */
.process-section {
  background: var(--primary);
  border-radius: 24px;
  padding: 72px 64px;
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  background: rgba(174, 130, 83, 0.12);
  border-radius: 50%;
  top: -80px;
  right: -60px;
}

.process-section::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  background: rgba(180, 74, 58, 0.12);
  border-radius: 50%;
  bottom: -60px;
  left: -40px;
}

.process-section .process-head {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-bottom: 48px;
}

.process-section .process-head h2 {
  font-size: 30px;
  color: #fff;
  font-weight: 700;
}

.process-section .process-head p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 10px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}

.process-step {
  text-align: center;
  padding: 32px 24px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.process-step:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.process-step .step-num {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--gold);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 18px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface-warm);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(31, 59, 54, 0.3);
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  min-height: 56px;
  gap: 16px;
}

.faq-question .faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.faq-question .faq-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.faq-question .faq-icon::after {
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.faq-item.open .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(115deg, var(--primary) 0%, #274A43 100%);
  border-radius: 24px;
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -80px;
  left: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(174, 130, 83, 0.14);
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -100px;
  right: -40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(180, 74, 58, 0.16);
}

.cta-content {
  position: relative;
  z-index: 2;
}

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

.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin: 0 auto 28px;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary);
  margin-top: 96px;
}

.site-footer .container {
  padding-top: 64px;
  padding-bottom: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-brand .logo-text {
  color: var(--bg);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 243, 235, 0.7);
  margin-top: 18px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--bg);
  margin-bottom: 18px;
}

.footer-links li,
.footer-contact li {
  margin-bottom: 10px;
}

.footer-links a,
.footer-contact {
  font-size: 14px;
  color: rgba(247, 243, 235, 0.72);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-bottom {
  background: var(--primary-dark);
  padding: 18px 0;
  text-align: center;
}

.footer-bottom span {
  font-size: 12px;
  color: rgba(247, 243, 235, 0.6);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-banner h1 {
    font-size: 34px;
  }

  .feature-media .media-wrap img {
    height: 380px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }

  .topbar-links {
    gap: 14px;
  }

  .nav-menu {
    position: fixed;
    top: 110px;
    left: 0;
    right: 0;
    background: var(--surface-warm);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    margin: 0;
    gap: 8px;
    box-shadow: 0 20px 40px rgba(31, 59, 54, 0.12);
    transform: translateY(-140%);
    transition: var(--transition);
    z-index: 99;
    border-bottom: 1px solid var(--border);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-item {
    font-size: 16px;
    padding: 12px 0;
    width: 100%;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .page-banner {
    padding: 64px 0;
  }

  .page-banner h1 {
    font-size: 30px;
  }

  .page-banner .banner-sub {
    font-size: 15px;
  }

  .feature-media .media-wrap img {
    height: 300px;
  }

  .feature-media .media-content {
    padding: 24px;
  }

  .feature-media .media-content h2 {
    font-size: 22px;
  }

  .info-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 22px;
  }

  .info-card .card-link {
    align-self: flex-start;
  }

  .process-section {
    padding: 48px 24px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cta-section {
    padding: 48px 24px;
  }

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

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

  .site-footer .container {
    padding-top: 48px;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .topbar-domain {
    font-size: 11px;
  }

  .topbar-links a {
    font-size: 11px;
  }

  .logo-text {
    font-size: 19px;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 17px;
  }

  .page-banner h1 {
    font-size: 26px;
  }

  .section-title {
    font-size: 24px;
  }

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

  .info-card .card-index {
    width: 46px;
    height: 46px;
    font-size: 15px;
  }

  .faq-question {
    font-size: 15px;
    padding: 16px 18px;
  }

  .process-section {
    padding: 40px 18px;
  }

  .cta-actions {
    flex-direction: column;
  }

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

/* roulang page: category3 */
:root{
  --primary:#1F3B36;
  --primary-dark:#162E2A;
  --accent:#B44A3A;
  --accent-dark:#9E3D30;
  --gold:#AE8253;
  --bg:#F7F3EB;
  --surface:#FFFFFF;
  --surface-warm:#FFFCF8;
  --text:#201F1C;
  --text-weak:#6E6A62;
  --border:#E8E2D5;
  --success:#3F6E4F;
  --warning:#C47B32;
  --error:#B44343;
  --radius:16px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow:0 8px 30px rgba(31,59,54,.08);
  --shadow-hover:0 14px 40px rgba(31,59,54,.14);
  --container:1240px;
  --space:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .25s}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}

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

.topbar{background:var(--primary);height:38px;display:flex;align-items:center;color:rgba(247,243,235,.9);font-size:12px}
.topbar-inner{width:100%;display:flex;align-items:center;justify-content:space-between}
.topbar-domain{color:rgba(247,243,235,.75);letter-spacing:.3px}
.topbar-links{display:flex;gap:24px}
.topbar-links a{color:rgba(247,243,235,.9);font-size:12px}
.topbar-links a:hover{color:var(--gold)}

.main-nav{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,252,248,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  height:72px;
  display:flex;
  align-items:center;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;height:100%}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;
}
.logo-text{font-size:22px;font-weight:700;color:var(--primary);letter-spacing:1px}
.nav-menu{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-item{
  font-size:15px;color:var(--text);
  position:relative;padding:26px 0;font-weight:500;
}
.nav-item::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;
  background:var(--accent);border-radius:3px 3px 0 0;
  transform:scaleX(0);transform-origin:center;transition:transform .3s ease;
}
.nav-item:hover{color:var(--accent)}
.nav-item:hover::after{transform:scaleX(1)}
.nav-item.active{color:var(--accent)}
.nav-item.active::after{transform:scaleX(1)}
.nav-cta{margin-left:8px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:10px}
.nav-toggle span{width:22px;height:2px;background:var(--primary);border-radius:2px;transition:.3s}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 28px;
  font-size:15px;font-weight:600;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:all .3s ease;
  cursor:pointer;text-align:center;
}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(2px);box-shadow:0 8px 22px rgba(180,74,58,.3)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold)}
.btn-gold:hover{background:#97703f;color:#fff;transform:translateY(2px)}

/* Banner */
.page-banner{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:88px 0 72px;
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(31,59,54,.72) 0%,rgba(31,59,54,.5) 55%,rgba(31,59,54,.3) 100%);
}
.banner-content{position:relative;z-index:2;max-width:760px}
.banner-tag{
  display:inline-block;background:rgba(255,255,255,.14);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:1px;
  padding:6px 14px;border-radius:var(--radius-badge);
  border:1px solid rgba(255,255,255,.2);
  margin-bottom:22px;
}
.page-banner h1{
  font-size:42px;line-height:1.25;font-weight:700;color:#fff;
  margin-bottom:18px;
}
.page-banner p{
  font-size:16px;line-height:1.9;color:rgba(247,243,235,.9);
  max-width:640px;
}

/* Category 3 Layout */
.cat3-wrap{padding:var(--space) 0}
.cat3-layout{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:56px;
  align-items:start;
}
.cat3-sidebar{
  position:sticky;
  top:96px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px 20px;
  box-shadow:var(--shadow);
}
.side-nav-title{
  font-size:15px;font-weight:700;color:var(--primary);
  padding-bottom:14px;margin-bottom:12px;
  border-bottom:1px solid var(--border);
}
.side-nav-list li{margin-bottom:4px}
.side-nav-list a{
  display:block;padding:10px 12px;border-radius:8px;
  font-size:14px;color:var(--text-weak);font-weight:500;
  transition:all .25s;
}
.side-nav-list a:hover{
  background:rgba(31,59,54,.06);color:var(--primary);
}
.side-nav-list a.active{
  background:var(--primary);color:#fff;
}

.cat3-content{
  min-width:0;
}
.cat3-section{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:40px;
  margin-bottom:28px;
  box-shadow:var(--shadow);
  scroll-margin-top:100px;
}
.cat3-section-header{
  display:flex;align-items:baseline;gap:14px;
  margin-bottom:22px;
}
.cat3-num{
  font-size:14px;font-weight:700;color:var(--gold);
  font-family:"SF Mono",Menlo,Consolas,monospace;
  letter-spacing:.5px;
}
.cat3-section h2{
  font-size:26px;font-weight:700;color:var(--primary);
  line-height:1.35;
}
.cat3-lead{
  font-size:16px;color:var(--text-weak);line-height:1.85;
  margin-bottom:18px;
}
.cat3-section p{
  font-size:15px;line-height:1.9;color:var(--text);
  margin-bottom:16px;
}
.cat3-section h3{
  font-size:18px;font-weight:600;color:var(--primary);
  margin:24px 0 10px;
}
.cat3-sub-list li{
  position:relative;padding-left:22px;
  font-size:15px;line-height:1.85;color:var(--text);
  margin-bottom:8px;
}
.cat3-sub-list li::before{
  content:"";position:absolute;left:4px;top:11px;
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
}

.steps-list{counter-reset:step}
.steps-list li{
  counter-increment:step;
  position:relative;
  padding:18px 18px 18px 72px;
  background:var(--surface-warm);
  border:1px solid var(--border);
  border-radius:12px;
  margin-bottom:14px;
}
.steps-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:20px;top:50%;
  transform:translateY(-50%);
  font-size:24px;font-weight:700;color:var(--gold);
  font-family:"SF Mono",Menlo,Consolas,monospace;
}
.steps-list strong{
  display:block;font-size:16px;color:var(--primary);margin-bottom:4px;
}
.steps-list span{
  font-size:14px;color:var(--text-weak);line-height:1.75;
}

.cat3-faq-item{
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--surface-warm);
  padding:20px 24px;
  margin-bottom:12px;
}
.cat3-faq-item strong{
  font-size:15px;color:var(--primary);font-weight:600;
  display:block;margin-bottom:6px;
}
.cat3-faq-item span{
  font-size:14px;color:var(--text-weak);line-height:1.8;
}

.cat3-cta{
  margin-top:40px;
  background:var(--primary);
  border-radius:var(--radius);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cat3-cta::after{
  content:"";position:absolute;right:-40px;top:-40px;
  width:180px;height:180px;border-radius:50%;
  background:rgba(174,130,83,.18);
}
.cat3-cta h3{
  font-size:24px;font-weight:700;color:#fff;
  margin-bottom:6px;
}
.cat3-cta p{
  font-size:14px;color:rgba(247,243,235,.82);
}
.cat3-cta .btn{position:relative;z-index:2}

/* Footer */
.site-footer{background:var(--primary);color:rgba(247,243,235,.82);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:48px;padding:64px 0 48px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,243,235,.72)}
.footer-title{
  font-size:16px;font-weight:600;color:#F7F3EB;
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-contact li{
  font-size:14px;color:rgba(247,243,235,.72);
}
.footer-links a:hover{color:var(--gold)}
.footer-contact li{margin-bottom:10px;line-height:1.7}
.footer-bottom{background:var(--primary-dark);padding:18px 0;text-align:center}
.footer-bottom span{font-size:12px;color:rgba(247,243,235,.55)}

/* Responsive */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat3-layout{grid-template-columns:1fr;gap:32px}
  .cat3-sidebar{position:static;top:auto}
  .side-nav-list{display:flex;flex-wrap:wrap;gap:8px}
  .side-nav-list li{margin-bottom:0}
}
@media (max-width:768px){
  :root{--space:64px}
  .topbar{height:auto;padding:6px 0}
  .topbar-inner{flex-direction:column;gap:4px}
  .nav-toggle{display:flex}
  .nav-menu{
    display:none;
    position:absolute;
    top:72px;left:0;right:0;
    background:var(--surface-warm);
    flex-direction:column;
    gap:0;
    padding:12px 24px 20px;
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow);
    align-items:stretch;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 0;border-bottom:1px solid var(--border)}
  .nav-menu a:last-child{border-bottom:none}
  .nav-menu a::after{display:none}
  .nav-cta{display:none}
  .nav-item.active{color:var(--accent)}
  .page-banner{padding:64px 0 48px}
  .page-banner h1{font-size:32px}
  .page-banner p{font-size:15px}
  .cat3-section{padding:28px 22px}
  .cat3-cta{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid>div{padding-bottom:8px}
  .cat3-section h2{font-size:22px}
  .steps-list li{padding-left:20px,padding-top:56px}
  .steps-list li::before{left:20px;top:18px;transform:none}
}
@media (max-width:520px){
  .logo-text{font-size:18px}
  .nav-inner{gap:12px}
  .cat3-wrap{padding:48px 0}
  .cat3-section{padding:22px 16px}
  .cat3-cta{padding:26px 20px}
}