/* roulang page: index */
:root {
  --primary:#A8442E; --primary-dark:#8E3723; --primary-light:#C96A52;
  --secondary:#23463B; --secondary-light:#2E5C4D; --secondary-bg:rgba(35,70,59,.10);
  --accent:#D9A441; --accent-light:rgba(217,164,65,.15);
  --bg:#F7F4EF; --bg-white:#FFFFFF; --bg-warm:#F0EAE2;
  --text:#2B2622; --text-light:#6B625B; --text-muted:#9B8F85;
  --border:#E8E1D9; --footer-bg:#201A17; --footer-text:#E8DFD5;
  --radius-sm:10px; --radius-md:14px; --radius-lg:18px; --radius-pill:999px;
  --shadow-sm:0 2px 10px rgba(40,20,10,.06);
  --shadow-md:0 8px 20px rgba(40,20,10,.08);
  --shadow-lg:0 12px 28px rgba(40,20,10,.12);
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --container:1200px;
  --space-sm:24px; --space-md:48px; --space-lg:72px; --space-xl:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
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%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit;font-size:1rem}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-lg) 0;position:relative}
.section-head{max-width:640px;margin-bottom:var(--space-md)}
.section-head h2{font-family:var(--font-serif);font-size:32px;line-height:1.3;font-weight:700;color:var(--text);margin-bottom:8px}
.section-head p{font-size:15px;color:var(--text-light);line-height:1.7}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;line-height:1.5;border:1px solid transparent;cursor:pointer;transition:all .2s ease;text-decoration:none;white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 6px 16px rgba(168,68,46,.2);transform:translateY(-1px)}
.btn-primary:active{background:#7E2C1E;transform:translateY(0)}
.btn-outline{background:transparent;color:var(--secondary);border-color:var(--secondary)}
.btn-outline:hover{background:var(--secondary-bg);color:var(--secondary);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0);background:rgba(35,70,59,.18)}
.btn-accent{background:var(--accent);color:#3B2E14}
.btn-accent:hover{background:#C8943A;color:#3B2E14;box-shadow:0 6px 16px rgba(217,164,65,.3);transform:translateY(-1px)}
.btn-lg{padding:14px 32px;font-size:16px;min-height:48px}
.btn-sm{padding:8px 16px;font-size:14px}

.site-header{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--border)}
.header-main{display:flex;align-items:center;gap:20px;padding:14px 0}
.logo{flex-shrink:0}
.logo a{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--text)}
.logo-mark{width:36px;height:36px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;font-family:Georgia,serif;flex-shrink:0}
.header-search{flex:1;max-width:480px;margin:0 auto}
.search-form{position:relative;display:flex;align-items:center;background:var(--bg-white);border:1px solid var(--border);border-radius:16px;height:44px;overflow:hidden;transition:box-shadow .2s,border-color .2s}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 4px 16px rgba(168,68,46,.18)}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;z-index:1}
.search-form input{flex:1;min-width:0;height:100%;border:none;outline:none;padding:0 72px 0 40px;font-size:14px;color:var(--text);background:transparent;caret-color:var(--primary)}
.search-form input::placeholder{color:var(--text-muted)}
.search-form input:focus{box-shadow:none}
.search-btn{position:absolute;right:4px;top:4px;bottom:4px;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:0 14px;font-size:13px;font-weight:600;transition:background .2s}
.search-btn:hover{background:var(--primary-dark)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-actions .btn{font-size:14px;padding:9px 18px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--bg-warm);flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:background .2s}
.nav-toggle:hover{background:#E4DCD2}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.main-nav{border-top:1px solid var(--border);background:var(--bg-white)}
.main-nav ul{display:flex;align-items:center;gap:0;padding:0;overflow-x:auto;scrollbar-width:none}
.main-nav ul::-webkit-scrollbar{display:none}
.main-nav li{flex-shrink:0}
.main-nav a{display:block;padding:12px 20px;font-size:14px;font-weight:500;color:var(--text-light);border-bottom:3px solid transparent;position:relative;transition:color .2s,border-color .2s}
.main-nav a:hover{color:var(--primary)}
.main-nav li.active a{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.main-nav a[data-slug]{position:relative}

.hero{padding:var(--space-lg) 0 var(--space-xl);background:linear-gradient(180deg,var(--bg) 0%,var(--bg-warm) 100%);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-light);color:#3B2E14;font-size:13px;font-weight:600;padding:5px 14px;border-radius:var(--radius-pill);margin-bottom:16px}
.hero-badge::before{content:'';width:6px;height:6px;background:var(--accent);border-radius:50%}
.hero h1{font-family:var(--font-serif);font-size:38px;line-height:1.3;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.5px}
.hero-subtitle{font-size:16px;color:var(--text-light);line-height:1.8;margin-bottom:28px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px}
.hero-meta .meta-item{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-light)}
.hero-meta svg{color:var(--primary)}
.hero-image{position:relative}
.hero-image img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);object-fit:cover;aspect-ratio:4/3}
.hero-image::after{content:'';position:absolute;inset:auto -16px -16px 16px;height:100%;border:1px solid var(--border);border-radius:var(--radius-lg);z-index:-1;pointer-events:none}

.benefits{background:var(--bg-white)}
.benefits .section-head{text-align:center;margin-left:auto;margin-right:auto}
.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.benefit-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-md);padding:28px 22px;text-align:center;transition:box-shadow .3s,transform .3s;position:relative;overflow:hidden}
.benefit-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary);opacity:0;transition:opacity .3s}
.benefit-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.benefit-card:hover::before{opacity:1}
.benefit-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px}
.icon-primary{background:rgba(168,68,46,.1);color:var(--primary)}
.icon-secondary{background:rgba(35,70,59,.1);color:var(--secondary)}
.icon-accent{background:rgba(217,164,65,.15);color:#8A6520}
.icon-dark{background:var(--text);color:#fff}
.benefit-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.benefit-card p{font-size:13px;color:var(--text-light);line-height:1.65}

.comparison{background:var(--bg-warm)}
.comparison .section-head{text-align:center;margin-left:auto;margin-right:auto}
.table-wrapper{overflow-x:auto;border-radius:var(--radius-md);background:var(--bg-white);box-shadow:var(--shadow-sm)}
.compare-table{width:100%;min-width:680px;border-collapse:separate;border-spacing:0}
.compare-table th,.compare-table td{padding:16px 20px;text-align:center;font-size:14px;border-bottom:1px solid var(--border)}
.compare-table th{background:var(--bg-white);font-weight:600;color:var(--text);font-size:15px;position:relative}
.compare-table th:first-child{text-align:left}
.compare-table td:first-child{text-align:left;font-weight:500;color:var(--text);white-space:nowrap}
.compare-table tbody tr:hover{background:var(--bg)}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table .highlight-col{background:var(--bg-white);border-left:2px solid var(--primary);border-right:2px solid var(--primary);position:relative}
.compare-table th.highlight-col{background:#FDF8F4}
.compare-table td.highlight-col{background:#FDF8F4}
.compare-table .col-tag{display:inline-block;background:var(--primary);color:#fff;font-size:11px;font-weight:600;padding:2px 10px;border-radius:var(--radius-pill);margin-top:6px;letter-spacing:.5px}
.compare-table .price-cell{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--text)}
.compare-table .check{color:var(--secondary);font-size:16px}
.compare-table .dash{color:var(--text-muted)}

.preview{background:var(--bg-white)}
.preview .section-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;max-width:100%}
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow .3s,transform .3s;position:relative}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary);opacity:0;transition:opacity .3s;z-index:2}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.card:hover::before{opacity:1}
.card-img{position:relative;overflow:hidden;aspect-ratio:3/2}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-img img{transform:scale(1.04)}
.card-body{padding:20px}
.card-body .tag{margin-bottom:10px}
.card-body h3{font-size:17px;font-weight:700;line-height:1.4;margin-bottom:8px;color:var(--text)}
.card-body h3 a:hover{color:var(--primary)}
.card-body p{font-size:13px;color:var(--text-light);line-height:1.6;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link{font-size:13px;font-weight:600;color:var(--primary)}
.card-link:hover{color:var(--primary-dark)}

.tag{display:inline-block;background:var(--secondary-bg);color:var(--secondary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);line-height:1.4}
.tag-accent{background:var(--accent-light);color:#6B4E1A}

.news{background:var(--bg-warm)}
.news-list{display:flex;flex-direction:column;background:var(--bg-white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}
.news-item{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;border-bottom:1px solid var(--border);transition:background .2s}
.news-item:last-child{border-bottom:none}
.news-item:hover{background:var(--bg)}
.news-info{flex:1;min-width:0}
.news-info .tag{margin-bottom:6px}
.news-info h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:4px;line-height:1.45;transition:color .2s}
.news-item:hover .news-info h3{color:var(--primary)}
.news-info p{font-size:13px;color:var(--text-light);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-time{flex-shrink:0;font-size:13px;color:var(--text-muted);font-variant-numeric:tabular-nums}
.news-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:240px;background:var(--bg-white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);text-align:center;padding:40px}
.news-empty svg{color:var(--primary);opacity:.4;margin-bottom:14px}
.news-empty p{font-size:15px;color:var(--text-light)}

.faq{background:var(--bg-white)}
.faq .section-head{text-align:center;margin-left:auto;margin-right:auto}
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:12px;background:var(--bg-white);overflow:hidden;transition:box-shadow .2s}
.faq-item.open{box-shadow:var(--shadow-md);border-color:var(--secondary)}
.faq-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:18px 22px;font-size:15px;font-weight:600;color:var(--secondary);text-align:left;background:transparent;transition:background .2s}
.faq-question:hover{background:var(--bg)}
.faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--secondary-bg);display:flex;align-items:center;justify-content:center;position:relative;transition:background .3s,transform .3s}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--secondary);border-radius:2px;transition:transform .3s}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer-inner{padding:0 22px 18px;font-size:14px;color:var(--text-light);line-height:1.75}
.faq-more{text-align:center;margin-top:20px}
.faq-more a{color:var(--primary);font-size:14px;font-weight:600}
.faq-more a:hover{color:var(--primary-dark);text-decoration:underline}

.cta{padding:var(--space-xl) 0}
.cta-inner{position:relative;border-radius:var(--radius-lg);overflow:hidden;background-size:cover;background-position:center;background-color:var(--footer-bg);padding:64px 48px;text-align:center;color:#fff}
.cta-inner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(32,26,23,.88) 0%,rgba(32,26,23,.72) 100%);z-index:1}
.cta-inner>*{position:relative;z-index:2}
.cta-inner h2{font-family:var(--font-serif);font-size:34px;font-weight:700;margin-bottom:12px;line-height:1.3}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.85);margin-bottom:28px;max-width:480px;margin-left:auto;margin-right:auto}
.cta-inner .btn{margin-top:4px}
.cta-line{position:absolute;top:24px;left:24px;right:24px;bottom:24px;border:1px solid rgba(255,255,255,.15);border-radius:12px;z-index:2;pointer-events:none}

.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:var(--space-lg) 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand h3{font-family:var(--font-serif);font-size:20px;font-weight:700;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.footer-brand h3 .logo-mark{width:30px;height:30px;font-size:14px}
.footer-brand p{font-size:13px;color:rgba(232,223,213,.7);line-height:1.7;max-width:300px}
.footer-links h4,.footer-contact h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links ul li{margin-bottom:10px}
.footer-links a{font-size:13px;color:rgba(232,223,213,.7);transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-contact p{font-size:13px;color:rgba(232,223,213,.7);line-height:1.8;margin-bottom:6px}
.footer-contact a{color:rgba(232,223,213,.7)}
.footer-contact a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:12px;color:rgba(232,223,213,.55)}

@media (max-width:1024px){
  .hero h1{font-size:32px}
  .benefits-grid{grid-template-columns:repeat(2,1fr)}
  .preview-grid{grid-template-columns:repeat(2,1fr)}
  .header-search{max-width:360px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:var(--space-md) 0}
  .section-head h2{font-size:26px}
  .header-main{flex-wrap:wrap;gap:10px}
  .logo{flex:1}
  .header-actions .btn{display:none}
  .header-search{order:3;flex-basis:100%;max-width:100%}
  .nav-toggle{display:flex}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-white);border-bottom:1px solid var(--border);box-shadow:var(--shadow-md)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:8px 0}
  .main-nav a{padding:14px 24px;border-bottom:1px solid var(--border);border-left:3px solid transparent}
  .main-nav li.active a{border-bottom-color:var(--border);border-left-color:var(--primary);background:var(--bg)}
  .hero{padding:48px 0}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:28px}
  .hero-image img{aspect-ratio:16/10}
  .benefits-grid{grid-template-columns:1fr}
  .preview-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column;align-items:flex-start;gap:6px}
  .news-time{align-self:flex-end;font-size:12px}
  .cta-inner{padding:48px 24px}
  .cta-inner h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{padding:16px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .hero h1{font-size:24px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .section-head h2{font-size:22px}
  .btn-lg{width:100%}
  .cta-inner{padding:40px 20px}
  .cta-inner h2{font-size:22px}
}

/* roulang page: category1 */
:root {
  --color-primary: #A8442E;
  --color-primary-dark: #8E3825;
  --color-primary-light: #C96A52;
  --color-secondary: #23463B;
  --color-secondary-light: #2F5C4E;
  --color-accent: #D9A441;
  --color-bg: #F7F4EF;
  --color-card: #FFFFFF;
  --color-text: #2B2622;
  --color-text-light: #6B615A;
  --color-muted: #9B8F85;
  --color-border: #E8E1D9;
  --color-footer: #201A17;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-btn: 10px;
  --radius-full: 999px;
  --shadow-card: 0 2px 10px rgba(40, 20, 10, .06);
  --shadow-hover: 0 12px 28px rgba(40, 20, 10, .12);
  --space-y: 96px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", Georgia, "Songti SC", SimSun, serif;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button,
input {
  font-family: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--space-y) 0;
}
.section-head {
  margin-bottom: 48px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 36px);
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 12px;
}
.section-sub {
  color: var(--color-text-light);
  font-size: 15px;
  max-width: 640px;
  line-height: 1.7;
}
/* header */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0 14px;
  flex-wrap: wrap;
}
.logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
  color: var(--color-text);
  white-space: nowrap;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
  font-size: 20px;
  font-family: Georgia, serif;
  line-height: 1;
}
.header-search {
  flex: 1;
  max-width: 480px;
  min-width: 220px;
}
.search-form {
  position: relative;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  height: 44px;
  padding: 0 8px 0 14px;
  transition: box-shadow .2s, border-color .2s;
}
.search-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(168, 68, 46, .18);
}
.search-icon {
  color: var(--color-muted);
  flex-shrink: 0;
}
.search-form input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 0 10px;
  font-size: 14px;
  color: var(--color-text);
  min-width: 0;
}
.search-form input::placeholder {
  color: var(--color-muted);
}
.search-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  height: 32px;
  padding: 0 16px;
  font-size: 13px;
  cursor: pointer;
  transition: background .2s;
  white-space: nowrap;
}
.search-btn:hover {
  background: var(--color-primary-dark);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 12px 22px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 18px rgba(168, 68, 46, .25);
}
.btn-primary:active {
  background: #7E2F1F;
  transform: scale(.98);
}
.btn-secondary {
  background: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}
.btn-secondary:hover {
  background: rgba(35, 70, 59, .08);
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-footer);
}
.btn-accent:hover {
  background: #C79736;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.main-nav {
  border-top: 1px solid var(--color-border);
}
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 0;
  flex-wrap: wrap;
}
.main-nav a {
  display: inline-block;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-light);
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s, background .2s;
}
.main-nav a:hover {
  color: var(--color-primary);
}
.main-nav li.active a {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: rgba(168, 68, 46, .04);
}
/* hero */
.hero {
  position: relative;
  padding: 88px 0 72px;
  background: linear-gradient(rgba(247, 244, 239, .92), rgba(247, 244, 239, .96)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(168, 68, 46, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(168, 68, 46, .05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: rgba(35, 70, 59, .1);
  color: var(--color-secondary);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 20px;
}
.hero-title em {
  color: var(--color-primary);
  font-style: normal;
}
.hero-sub {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}
.stat-num {
  font-family: Georgia, serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
}
.stat-label {
  font-size: 13px;
  color: var(--color-text-light);
}
.hero-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
/* feature */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .25s, box-shadow .25s;
  position: relative;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px 3px 0 0;
  opacity: 0;
  transition: opacity .25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  width: 46px;
  height: 46px;
  background: rgba(35, 70, 59, .1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--color-secondary);
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}
.feature-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.65;
}
/* topic card */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.topic-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .25s, box-shadow .25s;
}
.topic-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.topic-img {
  position: relative;
  overflow: hidden;
}
.topic-img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .4s;
}
.topic-card:hover .topic-img img {
  transform: scale(1.03);
}
.topic-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(35, 70, 59, .9);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}
.topic-body {
  padding: 24px;
}
.topic-body h3 {
  font-size: 19px;
  font-family: var(--font-serif);
  margin-bottom: 10px;
}
.topic-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}
.topic-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.topic-link:hover {
  color: var(--color-primary-dark);
}
/* index area */
.index-area {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 56px;
  box-shadow: var(--shadow-card);
}
.index-layout {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 48px;
}
.index-list {
  padding-right: 40px;
  border-right: 1px solid var(--color-border);
}
.index-list h4 {
  font-size: 16px;
  color: var(--color-secondary);
  margin-bottom: 6px;
  font-weight: 600;
}
.index-list p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 24px;
}
.index-items {
  list-style: none;
}
.index-items li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 15px;
  color: var(--color-text);
  cursor: default;
  transition: color .2s, padding-left .2s;
}
.index-items li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}
.index-items li:hover {
  color: var(--color-primary);
  padding-left: 6px;
}
.index-detail h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin-bottom: 24px;
}
.detail-block {
  margin-bottom: 20px;
  padding-left: 18px;
  border-left: 3px solid rgba(168, 68, 46, .28);
}
.detail-block h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}
.detail-block p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}
/* scenario */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scene-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow .25s, transform .25s;
}
.scene-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.scene-icon {
  width: 44px;
  height: 44px;
  background: rgba(168, 68, 46, .08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 18px;
}
.scene-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.scene-card p {
  font-size: 14px;
  color: var(--color-text-light);
}
/* process */
.process {
  background: var(--color-secondary);
  color: #fff;
}
.process .section-title {
  color: #fff;
}
.process .section-sub {
  color: rgba(255, 255, 255, .7);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 28px 24px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-md);
  counter-increment: step;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: Georgia, serif;
  font-size: 30px;
  color: var(--color-accent);
  font-weight: 700;
  display: block;
  margin-bottom: 12px;
}
.step h3 {
  font-size: 17px;
  margin-bottom: 8px;
}
.step p {
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
}
/* faq */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .25s;
}
.faq-item.active {
  box-shadow: var(--shadow-hover);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-secondary);
  transition: color .2s;
}
.faq-question:hover {
  color: var(--color-primary);
}
.faq-question .faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform .3s, background .3s;
  position: relative;
}
.faq-question .faq-icon::after {
  content: "";
  position: absolute;
  width: 2px;
  height: 12px;
  background: currentColor;
  transition: transform .3s;
}
.faq-item.active .faq-question .faq-icon {
  transform: rotate(45deg);
  background: rgba(217, 164, 65, .15);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.active .faq-answer {
  max-height: 320px;
  padding: 0 24px 20px;
}
.faq-more {
  text-align: center;
  margin-top: 24px;
}
/* cta */
.cta-section {
  position: relative;
  background: var(--color-primary);
  padding: 80px 0;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0, 0, 0, .12), transparent), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: .3;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  text-align: center;
  color: #fff;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 36px);
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 32px;
}
/* footer */
.site-footer {
  background: var(--color-footer);
  color: rgba(255, 255, 255, .75);
  padding: 64px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand h3 {
  font-family: var(--font-serif);
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand p {
  line-height: 1.8;
  color: rgba(255, 255, 255, .6);
}
.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-links ul {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, .6);
  transition: color .2s;
}
.footer-links a:hover {
  color: var(--color-accent);
}
.footer-contact p {
  margin-bottom: 10px;
  color: rgba(255, 255, 255, .6);
}
.footer-contact a {
  color: var(--color-accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}
@media (max-width: 1024px) {
  .header-search {
    max-width: 360px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-media {
    order: 2;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .index-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .index-list {
    border-right: none;
    padding-right: 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  :root {
    --space-y: 64px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-main {
    flex-wrap: wrap;
  }
  .logo {
    flex: 1;
  }
  .header-search {
    order: 3;
    max-width: 100%;
    flex-basis: 100%;
  }
  .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-hover);
  }
  .main-nav.open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    padding: 8px 0;
  }
  .main-nav a {
    display: block;
    padding: 14px 24px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }
  .main-nav li.active a {
    border-left-color: var(--color-primary);
    background: rgba(168, 68, 46, .05);
  }
  .hero {
    padding: 56px 0 48px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .scene-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .index-area {
    padding: 32px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }
  .footer-brand h3 {
    justify-content: center;
  }
  .faq-question {
    font-size: 15px;
    padding: 18px 16px;
  }
  .cta-section {
    padding: 56px 0;
  }
}
@media (max-width: 480px) {
  .hero-stats {
    gap: 20px;
  }
  .stat-num {
    font-size: 22px;
  }
  .btn {
    padding: 10px 16px;
    font-size: 14px;
  }
}

/* roulang page: article */
:root{
  --primary:#A8442E;
  --primary-dark:#8E3727;
  --primary-light:rgba(168,68,46,.08);
  --secondary:#23463B;
  --secondary-light:rgba(35,70,59,.1);
  --accent:#D9A441;
  --bg:#F7F4EF;
  --card-bg:#FFFFFF;
  --text:#2B2622;
  --text-light:#6B625B;
  --border:#E8E1D9;
  --footer-bg:#201A17;
  --radius:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-sm:0 2px 10px rgba(40,20,10,.06);
  --shadow-md:0 12px 28px rgba(40,20,10,.12);
  --font-serif:"Noto Serif SC","Songti SC",SimSun,serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --container:1200px;
}
*,*::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}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-btn);padding:10px 22px;font-size:14px;font-weight:600;line-height:1.4;border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;gap:6px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 4px 14px rgba(168,68,46,.28)}
.btn-primary:active{background:#773023}
.btn-outline{background:transparent;color:var(--secondary);border-color:var(--secondary)}
.btn-outline:hover{background:var(--secondary-light)}
.btn-accent{background:var(--accent);color:#201A17}
.btn-accent:hover{background:#C8922F}
.btn-lg{padding:14px 32px;font-size:16px}
.btn:focus-visible,.nav-toggle:focus-visible,.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.badge{display:inline-flex;align-items:center;padding:4px 12px;font-size:12px;font-weight:600;border-radius:var(--radius-pill);background:var(--secondary-light);color:var(--secondary);white-space:nowrap}
.badge-accent{background:rgba(217,164,65,.15);color:#6B4A10}
/* Header */
.site-header{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--border)}
.header-main{display:flex;align-items:center;gap:24px;padding:14px 0}
.logo{flex-shrink:0}
.logo a{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-serif);font-weight:700;font-size:20px;color:var(--text);white-space:nowrap}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;font-family:Georgia,serif;font-size:18px;font-weight:700}
.header-search{flex:1;max-width:520px;margin:0 auto}
.search-form{display:flex;align-items:center;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:0 6px 0 14px;height:44px;transition:border-color .2s,box-shadow .2s}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 4px 16px rgba(168,68,46,.18)}
.search-icon{color:var(--text-light);flex-shrink:0;margin-right:8px}
.search-form input{flex:1;border:none;outline:none;background:transparent;font-size:14px;color:var(--text);min-width:0}
.search-form input::placeholder{color:#9B8F85}
.search-btn{height:32px;padding:0 16px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-size:13px;font-weight:600;transition:background .2s}
.search-btn:hover{background:var(--primary-dark)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;padding:8px;background:none;border:1px solid var(--border);border-radius:10px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.main-nav{border-top:1px solid var(--border)}
.main-nav ul{display:flex;list-style:none;gap:4px;padding:0}
.main-nav li a{display:block;padding:12px 18px;font-size:14px;font-weight:500;color:var(--text-light);border-bottom:2px solid transparent;transition:color .2s,border-color .2s,background .2s}
.main-nav li a:hover{color:var(--primary)}
.main-nav li.active a{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
/* Breadcrumb / Page banner */
.page-banner{background:linear-gradient(rgba(247,244,239,.95),rgba(247,244,239,.95)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;border-bottom:1px solid var(--border);padding:48px 0 44px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-light);margin-bottom:24px}
.breadcrumb a{color:var(--text-light);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C7BEB5}
.breadcrumb .current{color:var(--text)}
.article-heading h1{font-family:var(--font-serif);font-size:34px;line-height:1.35;font-weight:700;max-width:780px;margin-bottom:16px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-light)}
.meta-item{display:inline-flex;align-items:center;gap:5px}
.meta-item svg{opacity:.6}
/* Article main */
.article-main{padding:56px 0}
.article-layout{max-width:860px;margin:0 auto;background:var(--card-bg);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-sm);padding:56px 64px}
.article-content{max-width:760px;margin:0 auto;font-size:17px;line-height:1.8;color:var(--text)}
.article-content h2{font-family:var(--font-serif);font-size:28px;line-height:1.35;font-weight:700;margin:48px 0 16px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.article-content h3{font-family:var(--font-serif);font-size:22px;line-height:1.4;font-weight:600;margin:32px 0 12px}
.article-content p{margin-bottom:20px}
.article-content ul,.article-content ol{margin:0 0 24px 24px;padding:0}
.article-content li{margin-bottom:8px}
.article-content ul li::marker{color:var(--primary)}
.article-content blockquote{border-left:4px solid var(--primary);background:var(--primary-light);padding:16px 20px;border-radius:0 10px 10px 0;margin:24px 0;color:var(--text)}
.article-content blockquote p{margin-bottom:0}
.article-content img{border-radius:var(--radius);margin:28px auto;box-shadow:var(--shadow-sm)}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}
.article-content a:hover{color:var(--primary-dark)}
.article-content figure{margin:28px 0}
.article-content figcaption{text-align:center;font-size:13px;color:var(--text-light);margin-top:8px}
.article-content hr{border:none;border-top:1px solid var(--border);margin:40px 0}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-content th{background:var(--secondary-light);font-weight:600}
.article-content code{background:#F3EEE8;border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:14px}
/* Empty state */
.article-empty{max-width:760px;margin:0 auto;text-align:center;padding:80px 24px}
.empty-icon{width:72px;height:72px;margin:0 auto 24px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700;color:var(--primary)}
.empty-icon span{font-family:Georgia,serif}
.article-empty h2{font-family:var(--font-serif);font-size:26px;margin-bottom:12px}
.article-empty p{color:var(--text-light);margin-bottom:28px}
.empty-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
/* Article pagination */
.article-pagination{max-width:760px;margin:40px auto 0;padding-top:28px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.pagination-link{font-size:14px;font-weight:500;color:var(--secondary);display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.pagination-link:hover{color:var(--primary)}
/* Related */
.related-section{background:var(--bg);padding:72px 0;border-top:1px solid var(--border)}
.section-head{text-align:center;margin-bottom:48px}
.section-head h2{font-family:var(--font-serif);font-size:32px;line-height:1.3;font-weight:700;margin-bottom:8px}
.section-head p{color:var(--text-light);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{display:block;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;position:relative}
.related-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary);opacity:0;transition:opacity .3s;z-index:1}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.related-card:hover::before{opacity:1}
.related-card img{width:100%;height:180px;object-fit:cover;transition:transform .4s ease}
.related-card:hover img{transform:scale(1.03)}
.related-body{padding:20px 20px 24px}
.related-body h3{font-family:var(--font-serif);font-size:18px;font-weight:600;margin:10px 0 8px;line-height:1.4}
.related-body p{font-size:14px;color:var(--text-light);line-height:1.6;margin-bottom:0}
/* FAQ */
.faq-section{padding:72px 0;background:var(--card-bg)}
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;background:var(--card-bg);overflow:hidden;transition:box-shadow .3s}
.faq-item.open{box-shadow:var(--shadow-sm)}
.faq-q{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;padding:20px 24px;font-size:15px;font-weight:600;color:var(--secondary);background:none;border:none;transition:background .2s}
.faq-q:hover{background:var(--secondary-light)}
.faq-q::after{content:'+';font-size:22px;color:var(--accent);transition:transform .3s ease;font-weight:400;line-height:1}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 20px;font-size:14px;line-height:1.75;color:var(--text-light)}
.faq-item.open .faq-a{max-height:400px}
.faq-more{text-align:center;margin-top:32px}
.faq-more a{font-size:14px;color:var(--primary);font-weight:500;border-bottom:1px solid rgba(168,68,46,.3);padding-bottom:2px;transition:border-color .2s}
.faq-more a:hover{border-color:var(--primary)}
/* CTA */
.cta-section{padding:84px 0;background:linear-gradient(rgba(32,26,23,.92),rgba(32,26,23,.92)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;border-top:4px solid var(--accent)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-text h2{font-family:var(--font-serif);font-size:32px;color:#fff;font-weight:700;margin-bottom:8px;line-height:1.3}
.cta-text p{color:rgba(255,255,255,.75);font-size:15px}
/* Footer */
.site-footer{background:var(--footer-bg);padding:64px 0 24px;color:rgba(255,255,255,.8)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:40px}
.footer-brand h3{font-family:var(--font-serif);font-size:20px;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.footer-brand .logo-mark{font-size:16px;width:30px;height:30px}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-links h4,.footer-contact h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links ul{list-style:none;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.65);font-size:14px;transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-contact p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.65);margin-bottom:8px}
.footer-contact a{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}
/* Responsive */
@media (max-width:1024px){
  .header-search{max-width:360px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-layout{padding:48px 40px}
}
@media (max-width:768px){
  .header-main{flex-wrap:wrap;gap:12px}
  .logo{order:1}
  .header-actions{order:2;margin-left:auto}
  .header-search{order:3;flex:1 0 100%;max-width:none}
  .nav-toggle{display:flex}
  .main-nav{display:none;border-top:none}
  .main-nav.open{display:block;position:absolute;top:100%;left:0;right:0;background:var(--bg);box-shadow:0 16px 24px rgba(40,20,10,.08);border-bottom:1px solid var(--border);padding:8px 0}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav li a{padding:14px 24px;border-bottom:none;border-left:3px solid transparent}
  .main-nav li.active a{border-bottom:none;border-left-color:var(--primary)}
  .page-banner{padding:32px 0}
  .article-heading h1{font-size:26px}
  .article-main{padding:32px 0}
  .article-layout{padding:32px 20px;border-radius:14px}
  .article-content{font-size:16px;line-height:1.75}
  .article-content h2{font-size:22px;margin:36px 0 12px}
  .article-content h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .section-head h2{font-size:26px}
  .cta-section{padding:56px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-text h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px;margin-bottom:32px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo a{font-size:17px}
  .search-btn{padding:0 12px}
  .article-pagination{flex-direction:column;gap:10px}
  .header-actions .btn{padding:9px 14px;font-size:13px}
}

/* roulang page: category2 */
:root {
  --primary: #A8442E;
  --primary-dark: #8E3724;
  --primary-light: rgba(168, 68, 46, .12);
  --secondary: #23463B;
  --secondary-dark: #1A342C;
  --secondary-light: rgba(35, 70, 59, .08);
  --bg: #F7F4EF;
  --surface: #FFFFFF;
  --text: #2B2622;
  --text-weak: #6F635A;
  --border: #E8E1D9;
  --accent: #D9A441;
  --accent-light: rgba(217, 164, 65, .15);
  --footer-bg: #201A17;
  --footer-text: #C9BFB4;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --shadow: 0 2px 10px rgba(40, 20, 10, .06);
  --shadow-hover: 0 12px 28px rgba(40, 20, 10, .12);
  --space-lg: 96px;
  --space-md: 72px;
  --space-sm: 48px;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

*, *::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: inherit; text-decoration: none; transition: color .2s ease; }
ul, ol { list-style: none; }
input, button, textarea { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(168, 68, 46, .25);
}
.btn-primary:hover { background: var(--primary-dark); box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-secondary {
  background: transparent;
  color: var(--secondary);
  border: 1px solid var(--secondary);
}
.btn-secondary:hover { background: var(--secondary-light); }
.btn-accent {
  background: var(--accent);
  color: var(--text);
  box-shadow: 0 2px 10px rgba(217, 164, 65, .3);
}
.btn-accent:hover { background: #C9962F; transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.btn-large { height: 52px; padding: 0 34px; font-size: 17px; }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .65);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); }

/* Header */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-main {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 0 14px;
}
.logo { flex-shrink: 0; }
.logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  color: var(--text);
  letter-spacing: .5px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-family: Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(168, 68, 46, .3);
}
.header-search {
  flex: 0 1 480px;
  margin-left: auto;
  margin-right: 12px;
}
.search-form {
  display: flex;
  align-items: center;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0 12px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(168, 68, 46, .18);
}
.search-icon {
  flex-shrink: 0;
  margin-right: 8px;
  color: var(--text-weak);
}
.search-form input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: none;
  background: transparent;
  font-size: 14px;
  outline: none;
  color: var(--text);
}
.search-form input::placeholder { color: #9B8F85; }
.search-btn {
  flex-shrink: 0;
  height: 32px;
  padding: 0 14px;
  border-radius: 8px;
  background: var(--secondary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  transition: background .2s ease;
}
.search-btn:hover { background: var(--secondary-dark); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.header-actions .btn { height: 40px; padding: 0 18px; font-size: 14px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  align-items: center;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform .25s ease, opacity .25s 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); }

.main-nav {
  border-top: 1px solid var(--border);
  padding: 0 0;
}
.main-nav ul {
  display: flex;
  gap: 4px;
  padding: 6px 0;
}
.main-nav a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-weak);
  transition: background .2s ease, color .2s ease;
}
.main-nav a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.main-nav li.active a {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--primary);
}

/* Hero */
.category-hero {
  padding: var(--space-md) 0 var(--space-sm);
  background: linear-gradient(135deg, #EFE8DE 0%, var(--bg) 55%, #F0E7DB 100%);
  border-bottom: 1px solid var(--border);
}
.category-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.category-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--secondary-light);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
}
.category-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .5px;
  margin-bottom: 16px;
}
.category-hero h1 em {
  font-style: normal;
  color: var(--primary);
}
.category-hero .hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-weak);
  max-width: 540px;
  margin-bottom: 26px;
}
.category-hero .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background: #E1D7CB;
  min-height: 280px;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.hero-visual .visual-tag {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(32, 26, 23, .78);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.5;
  backdrop-filter: blur(6px);
}

/* Section base */
.section { padding: var(--space-md) 0; }
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  background: var(--secondary-light);
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
  letter-spacing: .5px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
}

/* Level cards */
.level-section { background: var(--surface); border-bottom: 1px solid var(--border); }
.level-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.level-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 28px 32px;
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease;
  text-align: center;
}
.level-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.level-card.featured {
  background: var(--surface);
  border: 2px solid var(--primary);
  box-shadow: 0 8px 24px rgba(168, 68, 46, .12);
}
.level-card .level-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.level-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  background: var(--secondary-light);
  color: var(--secondary);
}
.level-card.featured .level-icon {
  background: var(--primary-light);
  color: var(--primary);
}
.level-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin-bottom: 6px;
}
.level-card .level-price {
  font-family: Georgia, serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.level-card .level-price small {
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--text-weak);
  font-weight: 400;
}
.level-card .level-features {
  text-align: left;
  padding: 18px 0 4px;
  border-top: 1px dashed var(--border);
}
.level-card .level-features li {
  position: relative;
  padding: 7px 0 7px 24px;
  font-size: 14px;
  color: var(--text-weak);
}
.level-card .level-features li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--secondary);
  opacity: .6;
}
.level-card .btn { margin-top: 22px; width: 100%; }

/* Comparison table */
.compare-section { background: var(--bg); }
.compare-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); background: var(--surface); }
.compare-table { min-width: 680px; width: 100%; border-collapse: collapse; font-size: 14px; }
.compare-table th, .compare-table td {
  padding: 16px 22px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.compare-table thead th { background: var(--surface); font-size: 16px; font-weight: 600; }
.compare-table th:first-child, .compare-table td:first-child { text-align: left; color: var(--text); font-weight: 600; min-width: 150px; }
.compare-table thead th.highlight {
  background: var(--primary);
  color: #fff;
  position: relative;
}
.compare-table thead th.highlight::before {
  content: "最受欢迎";
  position: absolute;
  top: -9px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--text);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 14px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.compare-table td { color: var(--text-weak); }
.compare-table td.center-strong { color: var(--text); font-weight: 600; }
.compare-table td.highlight {
  background: rgba(168, 68, 46, .05);
  color: var(--text);
  font-weight: 600;
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover td { background: #FAF6F0; }
.compare-table td.highlight:hover { background: rgba(168, 68, 46, .08); }
.compare-note { margin-top: 14px; font-size: 13px; color: var(--text-weak); text-align: right; }

/* Service index */
.index-section { background: var(--surface); }
.index-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 48px;
  align-items: start;
}
.index-left {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}
.index-left h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.index-left ul li { padding: 10px 0; }
.index-left ul li a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-weak);
  transition: color .2s ease, padding-left .2s ease;
}
.index-left ul li a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  opacity: .5;
  transition: opacity .2s ease;
}
.index-left ul li a:hover { color: var(--primary); padding-left: 6px; }
.index-left ul li a:hover::before { opacity: 1; }
.index-right { display: flex; flex-direction: column; gap: 20px; }
.index-item {
  display: flex;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.index-item:hover { box-shadow: var(--shadow-hover); border-color: var(--primary); }
.index-item .item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--secondary-light);
  color: var(--secondary);
}
.index-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.index-item p { font-size: 14px; color: var(--text-weak); line-height: 1.65; }

/* Process */
.process-section { background: linear-gradient(180deg, var(--bg) 0%, #EFE8DE 100%); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease;
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.process-step .step-num {
  font-family: Georgia, serif;
  font-size: 40px;
  font-weight: 700;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 14px;
}
.process-step h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.process-step p { font-size: 13px; color: var(--text-weak); line-height: 1.6; }

/* FAQ */
.faq-section { background: var(--surface); }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item.open { border-color: var(--secondary); box-shadow: var(--shadow); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--secondary);
  text-align: left;
  gap: 16px;
}
.faq-question .faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--accent-light);
}
.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent);
  border-radius: 2px;
}
.faq-question .faq-icon::before { width: 12px; height: 2px; }
.faq-question .faq-icon::after { width: 2px; height: 12px; transition: transform .25s ease; }
.faq-item.open .faq-question .faq-icon::after { transform: translate(-50%, -50%) scaleY(0); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner { padding: 0 24px 22px; font-size: 14px; color: var(--text-weak); line-height: 1.8; }
.faq-more { text-align: center; margin-top: 24px; }
.faq-more a { color: var(--secondary); font-weight: 600; border-bottom: 1px solid var(--secondary); padding-bottom: 2px; }

/* CTA */
.cta-section { padding: var(--space-md) 0; }
.cta-box {
  position: relative;
  background: var(--footer-bg);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
}
.cta-box::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 50%;
}
.cta-box h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  color: #fff;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  color: rgba(255, 255, 255, .75);
  font-size: 15px;
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
}
.cta-box .btn { position: relative; z-index: 1; }

/* Footer */
.site-footer { background: var(--footer-bg); color: var(--footer-text); padding: 64px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 20px;
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand h3 .logo-mark { width: 32px; height: 32px; font-size: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.8; opacity: .8; max-width: 320px; }
.footer-links h4, .footer-contact h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-links ul li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  opacity: .75;
  transition: opacity .2s ease, color .2s ease;
}
.footer-links a:hover { opacity: 1; color: var(--accent); }
.footer-contact p { font-size: 14px; margin-bottom: 8px; opacity: .75; }
.footer-contact a { border-bottom: 1px solid rgba(255, 255, 255, .3); }
.footer-contact a:hover { color: var(--accent); opacity: 1; }
.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
  opacity: .6;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-search { flex-basis: 360px; }
  .category-hero-inner { gap: 36px; }
  .level-grid { gap: 20px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .space-lg { --space-lg: 64px; }
  .section { padding: 56px 0; }
  .header-main { flex-wrap: wrap; }
  .logo { flex: 1; }
  .header-search { flex: 0 0 100%; order: 3; margin: 4px 0 0; }
  .header-search .search-form { height: 40px; }
  .nav-toggle { display: flex; }
  .main-nav { display: none; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 2px; padding: 10px 0; }
  .main-nav a { display: block; padding: 12px 18px; }
  .category-hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .hero-visual { min-height: 200px; }
  .level-grid { grid-template-columns: 1fr; }
  .level-card.featured { order: -1; }
  .index-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-box { padding: 48px 24px; }
  .cta-box .btn { width: 100%; max-width: 320px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-actions .btn { display: none; }
  .process-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .compare-table { font-size: 13px; }
  .compare-table th, .compare-table td { padding: 12px 14px; }
}

/* roulang page: category3 */
:root {
  --brand: #A8442E;
  --brand-dark: #8F3624;
  --brand-light: #C05B43;
  --brand-soft: rgba(168, 68, 46, 0.08);
  --secondary: #23463B;
  --secondary-soft: rgba(35, 70, 59, 0.1);
  --accent: #D9A441;
  --accent-soft: rgba(217, 164, 65, 0.15);
  --bg: #F7F4EF;
  --surface: #FFFFFF;
  --alt-bg: #F1EBE3;
  --text: #2B2622;
  --muted: #6E6259;
  --border: #E8E1D9;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-tag: 999px;
  --radius-image: 18px;
  --shadow-card: 0 2px 10px rgba(40, 20, 10, 0.06);
  --shadow-hover: 0 12px 28px rgba(40, 20, 10, 0.12);
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --spacing-lg: 96px;
  --spacing-md: 72px;
  --spacing-sm: 48px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 0;
  transition: all .2s ease;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 2px 8px rgba(168, 68, 46, 0.28); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(168, 68, 46, 0.32); }
.btn-primary:active { background: #7c2e1e; transform: translateY(0); }
.btn-secondary { background: transparent; color: var(--secondary); border: 1px solid var(--secondary); }
.btn-secondary:hover { background: var(--secondary-soft); }
.btn-secondary:active { background: rgba(35, 70, 59, 0.18); }
.btn-light { background: #fff; color: var(--brand); box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.btn-light:hover { background: #f5f0e9; transform: translateY(-1px); }
.btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.65); }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-accent { background: var(--accent); color: #2B2622; box-shadow: 0 4px 14px rgba(217,164,65,0.32); }
.btn-accent:hover { background: #c9922f; transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.header-main {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
}
.logo { flex-shrink: 0; }
.logo a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--brand);
  color: #fff;
  font-family: Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  border-radius: 10px;
  letter-spacing: 0;
}
.logo a {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}
.logo a:hover { color: var(--brand); }
.logo a:hover .logo-mark { background: var(--brand-dark); }
.header-search { flex: 1; display: flex; justify-content: center; }
.search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 520px;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0 6px 0 14px;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.search-form:focus-within {
  border-color: var(--brand);
  box-shadow: 0 4px 16px rgba(168, 68, 46, 0.18);
}
.search-icon { color: var(--muted); flex-shrink: 0; }
.search-form input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  outline: none;
}
.search-form input::placeholder { color: #9B8F85; }
.search-btn {
  height: 32px;
  padding: 0 16px;
  background: var(--brand);
  color: #fff;
  border: 0;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: background .2s ease;
}
.search-btn:hover { background: var(--brand-dark); }
.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.header-actions .btn { padding: 10px 20px; font-size: 14px; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s 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); }
.main-nav { border-top: 1px solid var(--border); }
.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
}
.main-nav li a {
  position: relative;
  display: block;
  padding: 14px 22px;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  transition: color .2s ease, background .2s ease;
}
.main-nav li a:hover { color: var(--brand); background: var(--brand-soft); }
.main-nav li.active a {
  color: var(--brand);
  box-shadow: inset 0 -2px 0 var(--brand);
}
.main-nav li.active a::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 6px;
  height: 4px;
  background: var(--brand);
  border-radius: 999px;
}

/* Hero */
.hero {
  position: relative;
  padding: 88px 0;
  background: linear-gradient(110deg, rgba(32, 26, 23, 0.9) 20%, rgba(82, 42, 28, 0.66) 75%, rgba(168, 68, 46, 0.38) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--brand));
}
.hero-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  align-items: center;
  gap: 48px;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(217, 164, 65, 0.5);
  color: #F6D28B;
  font-size: 13px;
  border-radius: 999px;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 41px;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.3px;
}
.hero h1 em { font-style: normal; color: #F2C064; }
.hero p.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.9);
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-visual .hero-frame {
  border-radius: var(--radius-image);
  overflow: hidden;
  border: 6px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.3);
}
.hero-visual .hero-frame img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.hero-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  font-size: 13px;
  color: #F2D5A3;
}

/* Section base */
.section { padding: var(--spacing-lg) 0; }
.section-alt { background: var(--alt-bg); }
.section-head { max-width: 720px; margin: 0 auto var(--spacing-sm); text-align: center; }
.section-head .tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--secondary-soft);
  color: var(--secondary);
  border-radius: var(--radius-tag);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--text);
}
.section-head p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}
.section-head.left { margin-left: 0; text-align: left; }
.section-head.left .tag { margin-bottom: 10px; }

/* Value cards */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 30px 26px 26px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative;
  overflow: hidden;
}
.value-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--brand);
  opacity: 0;
  transition: opacity .3s ease;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #d8cec2;
}
.value-card:hover::before { opacity: 1; }
.value-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--secondary-soft);
  color: var(--secondary);
  margin-bottom: 18px;
}
.value-icon.gold { background: var(--accent-soft); color: #9a6f24; }
.value-card h3 { font-family: var(--font-serif); font-size: 19px; margin-bottom: 8px; }
.value-card p { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* Scene cards */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.scene-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.scene-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.scene-img { height: 150px; overflow: hidden; }
.scene-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.scene-card:hover .scene-img img { transform: scale(1.04); }
.scene-body { padding: 22px; }
.scene-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.scene-body p { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 22px 24px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50% 50% 50% 8px;
  background: var(--brand);
  color: #fff;
  font-family: Georgia, serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.step-card:nth-child(even) .step-num { background: var(--secondary); }
.step-card:nth-child(3) .step-num { background: var(--accent); color: #2B2622; }
.step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.step-card p { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* Story split */
.section-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.split-img { position: relative; }
.split-img .main-img {
  border-radius: var(--radius-image);
  box-shadow: var(--shadow-hover);
  overflow: hidden;
}
.split-img .main-img img { width: 100%; height: 420px; object-fit: cover; }
.split-img::before {
  content: "";
  position: absolute;
  top: -18px;
  left: -18px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent);
  border-radius: var(--radius-image);
  z-index: -1;
}
.split-text .tag { display: inline-block; padding: 4px 14px; background: var(--secondary-soft); color: var(--secondary); border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.split-text h2 { font-family: var(--font-serif); font-size: 30px; line-height: 1.35; margin-bottom: 16px; }
.split-text p { font-size: 15px; color: var(--muted); line-height: 1.75; margin-bottom: 14px; }
.split-quote {
  margin: 18px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--brand);
  background: var(--brand-soft);
  border-radius: 4px 14px 14px 4px;
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--text);
}
/* Index list */
.index-area {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 40px;
}
.index-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; }
.index-menu h3 { font-family: var(--font-serif); font-size: 24px; margin-bottom: 18px; }
.index-menu ul { list-style: none; }
.index-menu li { border-bottom: 1px dashed var(--border); }
.index-menu li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  font-size: 15px;
  color: var(--text);
  transition: color .2s ease, padding-left .2s ease;
}
.index-menu li a:hover { color: var(--brand); padding-left: 6px; }
.index-menu li a::after { content: "→"; color: var(--brand); font-size: 18px; margin-left: 12px; }
.index-desc h3 { font-family: var(--font-serif); font-size: 24px; margin-bottom: 18px; }
.index-desc-item { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.index-desc-item:last-child { border-bottom: 0; }
.index-desc-item .dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  margin-top: 9px;
}
.index-desc-item:nth-child(2) .dot { background: var(--secondary); }
.index-desc-item:nth-child(3) .dot { background: var(--accent); }
.index-desc-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
.index-desc-item p { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* FAQ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item:hover { box-shadow: var(--shadow-card); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--secondary);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--brand);
  line-height: 1;
  transition: transform .25s ease, color .2s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "×"; color: var(--secondary); }
.faq-item[open] summary { color: var(--brand); }
.faq-a { padding: 0 22px 20px; font-size: 14px; color: var(--muted); line-height: 1.7; }

/* CTA */
.cta-section {
  position: relative;
  padding: var(--spacing-md) 0;
  background: linear-gradient(120deg, #1b3830, #23463B 55%, #2b5145);
  color: #fff;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
}
.cta-section::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -3%;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner .tag {
  display: inline-block;
  padding: 5px 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(217,164,65,0.5);
  color: #F6D28B;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 16px;
}
.cta-inner h2 { font-family: var(--font-serif); font-size: 34px; line-height: 1.35; margin-bottom: 14px; }
.cta-inner p { font-size: 15px; color: rgba(255,255,255,0.85); margin-bottom: 26px; }
.cta-inner .btn { margin-top: 4px; }

/* Footer */
.site-footer {
  background: #201A17;
  color: #D8CFC7;
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 20px;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .logo-mark { background: var(--brand); }
.footer-brand p { font-size: 14px; line-height: 1.7; color: #B7ACA3; max-width: 280px; }
.footer-links h4, .footer-contact h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links li a { font-size: 14px; color: #B7ACA3; transition: color .2s ease, padding-left .2s ease; }
.footer-links li a:hover { color: #F2C064; padding-left: 4px; }
.footer-contact p { font-size: 14px; color: #B7ACA3; margin-bottom: 10px; }
.footer-contact a { color: #F2C064; }
.footer-contact a:hover { text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #8E837A;
}

/* Responsive */
@media (max-width: 1024px) {
  .header-search { max-width: 360px; }
  .hero { padding: 64px 0; }
  .hero h1 { font-size: 35px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 520px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid, .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .section-split { grid-template-columns: 1fr; }
  .index-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .header-main { flex-wrap: wrap; gap: 12px; padding: 14px 0; }
  .logo a { font-size: 17px; }
  .logo-mark { width: 34px; height: 34px; font-size: 18px; }
  .header-search { order: 3; width: 100%; max-width: 100%; flex-basis: 100%; }
  .header-actions { margin-left: auto; }
  .nav-toggle { display: flex; }
  .main-nav { display: none; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
  .main-nav li a { padding: 14px 18px; border-top: 1px solid var(--border); }
  .main-nav li.active a::after { left: 18px; width: 40px; }
  .hero { padding: 48px 0; }
  .hero h1 { font-size: 28px; }
  .hero p.hero-lead { font-size: 15px; }
  .hero-visual .hero-frame img { height: 200px; }
  .section { padding: 72px 0; }
  .value-grid, .scene-grid, .steps-grid { grid-template-columns: 1fr; gap: 18px; }
  .section-head h2 { font-size: 26px; }
  .split-text h2 { font-size: 26px; }
  .split-img .main-img img { height: 260px; }
  .index-area { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand p { max-width: 100%; }
  .cta-inner h2 { font-size: 28px; }
  .hero-actions .btn { width: 100%; }
  .btn-lg { width: 100%; }
}
@media (max-width: 480px) {
  .header-actions .btn { padding: 9px 14px; font-size: 13px; }
  .search-btn { width: 56px; padding: 0; }
  .hero h1 { font-size: 24px; }
  .hero .hero-kicker { font-size: 12px; }
  .section-head h2 { font-size: 23px; }
  .value-card { padding: 24px 18px 20px; }
  .scene-body { padding: 18px; }
  .step-card { padding: 22px 18px 20px; }
  .faq-item summary { padding: 15px 16px; font-size: 15px; }
  .faq-a { padding: 0 16px 16px; }
  .cta-inner h2 { font-size: 24px; }
}