/* roulang page: index */
:root{
  --primary:#0E3B2E;
  --primary-light:#1C4F3D;
  --primary-dark:#0A2A20;
  --accent:#C9A962;
  --accent-hover:#D8B877;
  --accent-soft:rgba(201,169,98,.13);
  --bg-page:#F7F5F1;
  --bg-card:#FFFFFF;
  --bg-warm:#FAF8F4;
  --text-title:#1A2E26;
  --text-body:#3E4A45;
  --text-muted:#6B7A73;
  --border:rgba(14,59,46,.08);
  --border-strong:rgba(14,59,46,.14);
  --radius-card:14px;
  --radius-btn:9px;
  --radius-pill:999px;
  --shadow-card:0 1px 3px rgba(14,59,46,.06);
  --shadow-hover:0 8px 24px rgba(14,59,46,.10);
  --shadow-btn:0 4px 14px rgba(201,169,98,.35);
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg-page);
  color:var(--text-body);
  font-size:15px;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s,background-color .25s,border-color .25s,box-shadow .25s,transform .25s}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}
h1,h2,h3,h4{color:var(--text-title);font-weight:700;line-height:1.35}
h1{font-size:34px}
h2{font-size:25px}
h3{font-size:18px}
h4{font-size:16px}
p{color:var(--text-body)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;border-radius:var(--radius-btn);
  padding:12px 26px;transition:all .3s ease;white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:var(--primary-dark);box-shadow:var(--shadow-btn);
}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(201,169,98,.45)}
.btn-primary:focus{outline:2px solid var(--accent);outline-offset:2px}
.btn-outline{
  background:transparent;color:#F2EBDD;border:1.5px solid rgba(242,235,221,.65);
}
.btn-outline:hover{border-color:#F2EBDD;background:rgba(242,235,221,.10);transform:translateY(-2px)}
.btn-outline:focus{outline:2px solid rgba(242,235,221,.5);outline-offset:2px}
.btn-lg{padding:15px 48px;font-size:16px;min-width:280px}
.btn-sm{padding:9px 20px;font-size:14px}

/* 头部双层导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(247,245,241,.97);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:background .3s,box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 2px 16px rgba(14,59,46,.07)}
.header-top-inner{
  display:flex;align-items:center;gap:24px;
  padding-top:12px;padding-bottom:12px;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:17px;font-weight:700;
}
.brand-text{font-size:20px;font-weight:700;color:var(--text-title);letter-spacing:.01em}
.header-search{
  flex:1;max-width:420px;margin-left:auto;
}
.header-search form{
  display:flex;align-items:center;background:var(--bg-card);
  border:1px solid var(--border-strong);border-radius:var(--radius-btn);
  height:46px;overflow:hidden;transition:border-color .3s,box-shadow .3s;
}
.header-search form:focus-within{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,46,.10);
}
.header-search input{
  flex:1;border:none;outline:none;background:transparent;
  padding:0 16px;font-size:14px;color:var(--text-title);height:100%;
}
.header-search input::placeholder{color:var(--text-muted)}
.header-search button{
  width:48px;height:46px;display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);flex-shrink:0;transition:color .2s;
}
.header-search button:hover{color:var(--primary)}
.header-cta{margin-left:4px;flex-shrink:0}

.header-nav{
  border-top:1px solid var(--border);
  background:rgba(255,255,255,.5);
}
.nav-tabs{
  display:flex;gap:4px;padding:8px 0;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{
  padding:8px 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;color:var(--text-body);
  white-space:nowrap;transition:all .25s;
}
.nav-tab:hover{color:var(--primary);background:rgba(14,59,46,.05)}
.nav-tab:focus{outline:2px solid rgba(14,59,46,.3);outline-offset:2px}
.nav-tab.active{
  background:var(--primary);color:#F7F5F1;font-weight:600;
}
.nav-tab.active:hover{background:var(--primary-light);color:#F7F5F1}

/* Hero */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  padding:120px 0 72px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(14,59,46,.62) 0%,rgba(14,59,46,.88) 60%,rgba(10,42,32,.96) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-content{max-width:800px;padding:40px 0}
.hero h1{
  color:#F7F5F1;font-size:36px;line-height:1.3;
  letter-spacing:.01em;margin-bottom:18px;
}
@media(max-width:768px){.hero h1{font-size:28px}}
.hero-sub{
  color:rgba(247,245,241,.88);font-size:16px;line-height:1.75;
  max-width:600px;margin-bottom:34px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:52px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:14px 36px;border-top:1px solid rgba(247,245,241,.18);
  padding-top:26px;margin-top:auto;
}
.trust-item{
  display:flex;align-items:center;gap:10px;
  color:rgba(247,245,241,.82);font-size:14px;font-weight:500;
}
.trust-icon{
  width:32px;height:32px;border-radius:50%;
  border:1px solid rgba(201,169,98,.55);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:13px;flex-shrink:0;
}
.trust-icon svg{width:14px;height:14px;fill:currentColor}

/* 通用 section */
.section{padding:76px 0}
@media(max-width:768px){.section{padding:52px 0}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:36px;
}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--accent);
}
.section-head p{color:var(--text-muted);font-size:14px;margin-top:6px}
.section-more{
  font-size:14px;color:var(--text-muted);white-space:nowrap;
  transition:color .2s,transform .2s;
}
.section-more:hover{color:var(--primary)}
.section-more:hover::after{transform:translateX(3px)}
.section-more::after{content:'→';margin-left:4px;display:inline-block;transition:transform .2s}

/* 精选内容卡片 */
.featured-section{background:var(--bg-card)}
.card-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
@media(max-width:992px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.card-grid{grid-template-columns:1fr}}
.feature-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;
  transition:box-shadow .3s,transform .3s;
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.card-cover-link{display:block;position:relative;overflow:hidden}
.card-cover{aspect-ratio:4/5;overflow:hidden;background:var(--bg-warm)}
.card-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.feature-card:hover .card-cover img{transform:scale(1.03)}
.card-badge{
  position:absolute;top:12px;right:12px;
  background:var(--accent);color:var(--primary-dark);
  font-size:12px;font-weight:600;border-radius:var(--radius-pill);
  padding:4px 12px;z-index:2;box-shadow:0 2px 8px rgba(0,0,0,.15);
}
.card-body{padding:18px 18px 20px}
.card-body h3{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:8px}
.card-body h3 a:hover{color:var(--primary-light)}
.card-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{
  font-size:13px;color:var(--text-muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:14px;
}
.card-link{font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px}
.card-link:hover{color:var(--primary-light)}
.card-link::after{content:'→';transition:transform .2s;display:inline-block}
.card-link:hover::after{transform:translateX(3px)}

/* 种草清单区 */
.path-section{background:var(--bg-page)}
.path-list{border-top:1px solid var(--border)}
.path-item{
  display:flex;align-items:center;gap:28px;
  padding:22px 8px;border-bottom:1px solid var(--border);
  transition:background-color .25s,padding-left .25s;
}
.path-item:hover{background:rgba(14,59,46,.02);padding-left:16px}
.path-num{
  font-size:26px;font-weight:700;color:var(--accent);
  min-width:52px;letter-spacing:.03em;line-height:1;
}
.path-content{flex:1;min-width:0}
.path-content h3{font-size:16px;font-weight:600;margin-bottom:4px}
.path-content p{
  font-size:14px;color:var(--text-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.path-arrow{
  color:var(--text-muted);font-size:18px;flex-shrink:0;
  transition:transform .25s,color .25s;
}
.path-item:hover .path-arrow{transform:translateX(4px);color:var(--primary)}

/* 口碑区 */
.review-section{background:var(--bg-warm)}
.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:768px){.review-grid{grid-template-columns:1fr}}
.review-card{
  background:var(--bg-card);border-radius:var(--radius-card);
  padding:26px 28px;border-left:3px solid var(--accent);
  box-shadow:var(--shadow-card);transition:box-shadow .3s,transform .3s;
}
.review-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.review-avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;flex-shrink:0;
}
.review-name{font-size:14px;font-weight:600;color:var(--text-title)}
.review-stars{color:var(--accent);font-size:13px;letter-spacing:2px;margin-top:2px}
.review-card>p{font-size:14px;line-height:1.7;color:var(--text-body)}

/* CTA区 */
.cta-section{
  background:var(--primary-dark);position:relative;overflow:hidden;
  padding:80px 0;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,59,46,.9),rgba(10,42,32,.98)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.25;
}
.cta-inner{
  position:relative;text-align:center;display:flex;flex-direction:column;align-items:center;
}
.cta-icon{
  width:52px;height:52px;border-radius:50%;
  border:1.5px solid var(--accent);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:24px;
}
.cta-icon svg{width:22px;height:22px;fill:currentColor}
.cta-inner h2{color:#F7F5F1;font-size:22px;font-weight:600;margin-bottom:8px}
.cta-inner p{color:rgba(247,245,241,.78);font-size:16px;margin-bottom:32px}
.cta-inner .btn{font-size:16px}

/* 最新信息CMS区 */
.news-section{background:var(--bg-card)}
.news-list{border-top:1px solid var(--border)}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 12px;border-bottom:1px solid var(--border);
  transition:background-color .25s,padding-left .25s;
}
.news-item:hover{background:rgba(14,59,46,.02);padding-left:20px}
.news-left{flex:1;min-width:0}
.news-cat{
  display:inline-block;font-size:12px;font-weight:600;
  color:var(--primary);background:var(--accent-soft);
  border-radius:var(--radius-pill);padding:3px 12px;margin-bottom:8px;
}
.news-title{font-size:16px;font-weight:600;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-title:hover{color:var(--primary-light)}
.news-excerpt{
  font-size:13px;color:var(--text-muted);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.news-right{
  display:flex;align-items:center;gap:18px;flex-shrink:0;
}
.news-date{font-size:13px;color:var(--text-muted);white-space:nowrap}
.news-link{
  font-size:13px;font-weight:600;color:var(--primary);white-space:nowrap;
  display:inline-flex;align-items:center;gap:4px;
}
.news-link::after{content:'→';transition:transform .2s}
.news-item:hover .news-link::after{transform:translateX(3px)}
@media(max-width:768px){
  .news-item{flex-direction:column;align-items:flex-start;gap:10px}
  .news-right{width:100%;justify-content:space-between}
}
.news-empty{
  text-align:center;padding:56px 20px;color:var(--text-muted);
}
.empty-icon{
  width:64px;height:64px;border-radius:50%;
  background:rgba(14,59,46,.05);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;font-size:26px;color:var(--text-muted);
}
.news-empty p{font-size:14px;color:var(--text-muted)}

/* FAQ */
.faq-section{background:var(--bg-page)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-card);margin-bottom:14px;
  overflow:hidden;transition:box-shadow .3s;
}
.faq-item:hover{box-shadow:var(--shadow-card)}
.faq-question{
  width:100%;text-align:left;padding:18px 24px;
  font-size:16px;font-weight:600;color:var(--text-title);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  transition:color .2s;
}
.faq-question::after{
  content:'+';font-size:22px;font-weight:400;color:var(--accent);
  transition:transform .3s;
  flex-shrink:0;line-height:1;
}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-item.open .faq-question{color:var(--primary)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
  background:var(--bg-warm);
}
.faq-answer p{
  padding:6px 24px 20px;font-size:14px;line-height:1.72;color:var(--text-body);
}
.faq-item.open .faq-answer{max-height:300px}

/* 页脚 */
.site-footer{background:var(--primary-dark);padding:60px 0 0;color:rgba(247,245,241,.75)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
@media(max-width:992px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:576px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.footer-logo{
  font-size:20px;font-weight:700;color:#F7F5F1;margin-bottom:14px;
  display:flex;align-items:center;gap:10px;
}
.footer-logo .brand-mark{width:32px;height:32px;font-size:14px;border-radius:8px}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(247,245,241,.6);max-width:300px}
.footer-col h4{
  color:#F7F5F1;font-size:15px;font-weight:600;margin-bottom:16px;
}
.footer-col a,.footer-col p{
  display:block;font-size:13px;color:rgba(247,245,241,.6);
  margin-bottom:10px;line-height:1.6;transition:color .2s;
}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(247,245,241,.12);
  padding:20px 0;display:flex;justify-content:space-between;
  align-items:center;flex-wrap:wrap;gap:10px;
}
.footer-bottom span{font-size:13px;color:rgba(247,245,241,.45)}

/* 响应式 */
@media(max-width:992px){
  .header-search{max-width:280px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-top-inner{gap:14px;flex-wrap:wrap}
  .header-search{order:3;flex-basis:100%;max-width:none}
  .header-cta{margin-left:auto}
  .brand-text{font-size:17px}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .hero{padding-top:160px;min-height:80vh}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15px}
  .hero-actions{gap:12px}
  .btn-lg{min-width:100%}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .section-head{flex-direction:row;align-items:center}
  .path-item{gap:16px;padding:18px 4px}
  .path-num{min-width:40px;font-size:22px}
}
@media(max-width:576px){
  .card-grid{grid-template-columns:1fr}
  .hero-trust{gap:12px 24px}
  .trust-item{font-size:13px}
  .trust-icon{width:28px;height:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .cta-inner .btn{min-width:100%}
}

/* roulang page: category1 */
:root {
  --primary: #0E3B2E;
  --primary-light: #1C4F3D;
  --primary-dark: #0A2A20;
  --accent: #C9A962;
  --accent-hover: #D8B877;
  --bg-page: #F7F5F1;
  --bg-card: #FFFFFF;
  --bg-warm: #FAF8F4;
  --text-title: #1A2E26;
  --text-body: #3E4A45;
  --text-muted: #6B7A73;
  --border: rgba(14, 59, 46, .08);
  --shadow-card: 0 1px 3px rgba(14, 59, 46, .06);
  --shadow-hover: 0 8px 24px rgba(14, 59, 46, .10);
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --container: 1200px;
  --ease: .25s cubic-bezier(.4, 0, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; font-size: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== 双层导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 241, .96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-top-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(14, 59, 46, .18);
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text-title);
  white-space: nowrap;
}
.header-search { flex: 1; max-width: 420px; margin-left: auto; }
.header-search form { display: flex; align-items: center; }
.header-search input {
  width: 100%;
  height: 44px;
  padding: 0 42px 0 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-title);
  font-size: 14px;
  outline: none;
  transition: box-shadow .2s, border-color .2s;
}
.header-search input::placeholder { color: #9AA6A0; }
.header-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 98, .18);
}
.header-search form { position: relative; }
.header-search button {
  position: absolute;
  right: 4px;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s;
}
.header-search button:hover { background: rgba(14, 59, 46, .06); color: var(--primary); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: #1A2E26;
  padding: 0 22px;
  height: 44px;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(201, 169, 98, .22);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(201, 169, 98, .32);
}
.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(216, 184, 119, .45);
}
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, .85);
  color: #fff;
  padding: 0 24px;
  height: 46px;
}
.btn-outline:hover { background: rgba(255, 255, 255, .12); border-color: #fff; transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
  padding: 0 26px;
  height: 46px;
}
.btn-ghost:hover { background: rgba(14, 59, 46, .08); transform: translateY(-2px); }
.header-cta { flex-shrink: 0; }
.header-nav { border-top: 1px solid var(--border); background: rgba(250, 248, 244, .92); }
.header-nav .container { overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
.header-nav .container::-webkit-scrollbar { display: none; }
.nav-tabs { display: flex; align-items: center; gap: 6px; padding: 8px 24px; white-space: nowrap; max-width: var(--container); margin: 0 auto; }
.nav-tab {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  transition: background .2s, color .2s, transform .2s;
}
.nav-tab:hover { background: rgba(14, 59, 46, .06); color: var(--primary); }
.nav-tab.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(14, 59, 46, .18);
}

/* ===== Hero 分类页 ===== */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 420px;
  padding: 96px 0 72px;
  background: linear-gradient(120deg, rgba(10, 42, 32, .92) 0%, rgba(14, 59, 46, .78) 60%, rgba(28, 79, 61, .68) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 1px solid rgba(201, 169, 98, .25);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(201, 169, 98, .5);
  border-radius: var(--radius-pill);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--accent);
  background: rgba(201, 169, 98, .08);
  margin-bottom: 20px;
}
.page-hero h1 {
  font-size: 38px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: .01em;
  margin-bottom: 18px;
  color: #fff;
}
.page-hero p.lead {
  font-size: 16px;
  line-height: 1.8;
  max-width: 560px;
  color: rgba(255, 255, 255, .88);
  margin-bottom: 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
  margin-bottom: 28px;
}
.breadcrumb a { color: rgba(255, 255, 255, .85); transition: color .2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: .5; }

/* ===== 分类简介区 ===== */
.section { padding: 80px 0; }
.section-warm { background: var(--bg-warm); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head .tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: .08em; margin-bottom: 12px; text-transform: uppercase; }
.section-head h2 { font-size: 28px; line-height: 1.3; color: var(--text-title); font-weight: 700; margin-bottom: 14px; }
.section-head p { font-size: 15px; color: var(--text-muted); line-height: 1.75; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.cat-intro-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow-card);
}
.cat-intro-card .intro-text { font-size: 16px; line-height: 1.8; color: var(--text-body); margin-bottom: 24px; }
.tag-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  background: rgba(14, 59, 46, .05);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(14, 59, 46, .08);
  transition: background .2s, color .2s, transform .2s;
}
.tag-pill:hover { background: var(--primary); color: #fff; transform: translateY(-1px); }
.tag-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ===== 服务卡片 ===== */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--ease), box-shadow var(--ease);
  display: flex;
  flex-direction: column;
}
.card-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.card-cover { position: relative; aspect-ratio: 4 / 5; overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card-item:hover .card-cover img { transform: scale(1.04); }
.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(201, 169, 98, .94);
  color: #1A2E26;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
}
.card-body { padding: 20px 20px 24px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 18px; font-weight: 600; color: var(--text-title); margin-bottom: 10px; line-height: 1.45; }
.card-body p { font-size: 14px; line-height: 1.7; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap .2s, color .2s;
}
.card-link:hover { gap: 10px; color: var(--primary-light); }
.card-link svg { transition: transform .2s; }
.card-link:hover svg { transform: translateX(2px); }

/* ===== 适用场景 ===== */
.scene-section { background: var(--primary-dark); color: #fff; }
.scene-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.scene-item { padding: 32px 24px; border-radius: 14px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(201, 169, 98, .18); transition: background .3s, transform .3s; }
.scene-item:hover { background: rgba(201, 169, 98, .08); transform: translateY(-4px); }
.scene-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(201, 169, 98, .16);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 18px;
}
.scene-item h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; color: #fff; }
.scene-item p { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, .74); }

/* ===== 流程 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: step; }
.step-item { position: relative; padding: 32px 24px 28px; background: var(--bg-card); border-radius: 16px; border: 1px solid var(--border); box-shadow: var(--shadow-card); }
.step-num { font-size: 40px; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 16px; font-family: Georgia, serif; }
.step-item h3 { font-size: 17px; font-weight: 600; color: var(--text-title); margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.step-line { position: absolute; top: 56px; right: -26px; width: 24px; height: 1px; background: rgba(201, 169, 98, .4); }
.step-item:last-child .step-line { display: none; }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .2s;
}
.faq-item[open] { box-shadow: var(--shadow-hover); border-color: rgba(201, 169, 98, .4); }
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  transition: background .2s;
}
.faq-item summary:hover { background: var(--bg-warm); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: rgba(14, 59, 46, .06); display: inline-flex; align-items: center; justify-content: center; transition: transform .25s, background .25s; color: var(--primary); }
.faq-item[open] .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { padding: 0 24px 22px; font-size: 14px; line-height: 1.8; color: var(--text-muted); background: var(--bg-warm); }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 70%); padding: 80px 0; text-align: center; color: #fff; }
.cta-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  border-radius: 16px;
  background: rgba(201, 169, 98, .14);
  border: 1px solid rgba(201, 169, 98, .35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.cta-section h2 { font-size: 30px; font-weight: 700; margin-bottom: 14px; }
.cta-section p { font-size: 16px; color: rgba(255, 255, 255, .82); max-width: 520px; margin: 0 auto 32px; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, .74); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-brand .brand-mark { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%); color: #1A2E26; }
.footer-brand p { font-size: 14px; line-height: 1.75; max-width: 300px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.footer-col a { font-size: 14px; color: rgba(255, 255, 255, .70); transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-col p { font-size: 14px; line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-inner { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .section { padding: 64px 0; }
}
@media (max-width: 768px) {
  .header-top-inner { flex-wrap: wrap; gap: 14px; padding: 12px 16px; }
  .header-search { order: 3; flex: 1 1 100%; max-width: none; }
  .header-cta { margin-left: auto; }
  .brand-text { font-size: 18px; }
  .page-hero { min-height: 380px; padding: 72px 0 56px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p.lead { font-size: 15px; }
  .section-head h2 { font-size: 24px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .nav-tabs { padding: 8px 16px; }
  .cat-intro-card { padding: 28px 24px; }
}
@media (max-width: 576px) {
  .card-grid { grid-template-columns: 1fr; }
  .scene-inner { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-actions .btn { width: 100%; }
  .hero-actions .btn { flex: 1; }
  .step-line { display: none; }
}

/* roulang page: article */
:root{
--primary:#0E3B2E;--primary-light:#1C4F3D;--primary-dark:#0A2A20;--accent:#C9A962;--accent-hover:#D8B877;--bg-page:#F7F5F1;--bg-card:#FFFFFF;--bg-warm:#FAF8F4;--text-title:#1A2E26;--text-body:#3E4A45;--text-muted:#6B7A73;--border:rgba(14,59,46,.08);--shadow-card:0 1px 3px rgba(14,59,46,.06);--shadow-hover:0 8px 24px rgba(14,59,46,.10);--radius-card:14px;--radius-btn:9px;--radius-pill:999px;--font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",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-page);color:var(--text-body);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:767px){.container{padding:0 16px}}
/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:transparent;transition:background-color .3s ease,box-shadow .3s ease}
.site-header.scrolled{background:rgba(247,245,241,.96);box-shadow:0 1px 0 rgba(14,59,46,.08);backdrop-filter:blur(12px)}
.header-top{padding:14px 0;transition:padding .3s ease}
.header-top-inner{display:flex;align-items:center;gap:20px}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:var(--primary-dark);font-size:20px;font-weight:700;border-radius:10px;flex-shrink:0}
.brand-text{font-size:20px;font-weight:700;color:#fff;letter-spacing:.02em;transition:color .3s}
.site-header.scrolled .brand-text{color:var(--text-title)}
.header-search{flex:1;max-width:360px;margin-left:auto}
.header-search form{display:flex;align-items:center}
.header-search input{width:100%;height:44px;border:1.5px solid rgba(255,255,255,.35);border-right:none;border-radius:8px 0 0 8px;background:rgba(255,255,255,.10);padding:0 16px;color:#fff;font-size:14px;outline:none;transition:border-color .2s,background-color .2s}
.header-search input::placeholder{color:rgba(255,255,255,.6)}
.header-search input:focus{border-color:var(--accent);background:rgba(255,255,255,.16)}
.header-search button{width:48px;height:44px;flex-shrink:0;border:none;border-radius:0 8px 8px 0;background:var(--accent);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;transition:background-color .2s}
.header-search button:hover{background:var(--accent-hover)}
.site-header.scrolled .header-search input{background:#fff;border-color:var(--border);color:var(--text-body)}
.site-header.scrolled .header-search input::placeholder{color:var(--text-muted)}
.site-header.scrolled .header-search button{background:var(--primary);color:#fff}
.site-header.scrolled .header-search button:hover{background:var(--primary-light)}
.header-cta{margin-left:8px;flex-shrink:0}
.header-nav{border-top:1px solid rgba(255,255,255,.15);transition:border-color .3s}
.site-header.scrolled .header-nav{border-top-color:var(--border)}
.nav-tabs{display:flex;align-items:center;gap:4px;padding:8px 0;overflow-x:auto;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{display:inline-block;padding:8px 20px;border-radius:var(--radius-pill);white-space:nowrap;font-size:15px;font-weight:500;color:rgba(255,255,255,.85);text-decoration:none;transition:background-color .2s,color .2s}
.nav-tab:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-tab.active{background:var(--accent);color:var(--primary-dark);font-weight:600}
.site-header.scrolled .nav-tab{color:var(--text-body)}
.site-header.scrolled .nav-tab:hover{color:var(--primary);background:rgba(14,59,46,.06)}
.site-header.scrolled .nav-tab.active{background:var(--primary);color:#fff}
@media(max-width:767px){.header-search{display:none}.header-top{padding:10px 0}.brand-text{font-size:17px}.brand-mark{width:32px;height:32px;font-size:17px}}
/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;padding:14px 28px;border:1.5px solid transparent;transition:all .25s ease;text-decoration:none}
.btn-primary{background:var(--accent);color:var(--primary-dark)}
.btn-primary:hover{background:var(--accent-hover);color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(201,169,98,.25)}
.btn-primary:focus{outline:2px solid var(--accent);outline-offset:3px}
.btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.btn-secondary:focus{outline:2px solid rgba(255,255,255,.6);outline-offset:3px}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 36px;font-size:16px}
/* ===== Article Hero ===== */
.article-hero{position:relative;min-height:300px;display:flex;align-items:flex-end;padding:150px 0 72px;background:linear-gradient(180deg,rgba(10,42,32,.55) 0%,rgba(10,42,32,.78) 60%,rgba(10,42,32,.94) 100%),url('/assets/images/backpic/back-1.webp') center 30%/cover no-repeat;color:#fff}
.article-hero-content{position:relative;z-index:1;width:100%}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.breadcrumb a{color:rgba(255,255,255,.82);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:#fff;max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ===== Article Main ===== */
.article-wrapper{max-width:860px;margin:-52px auto 0;padding:0 24px;position:relative;z-index:2}
.article-card{background:var(--bg-card);border-radius:16px;box-shadow:var(--shadow-hover);padding:48px 56px 40px}
.article-card h1{font-size:30px;font-weight:700;color:var(--text-title);line-height:1.4;letter-spacing:.01em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:20px 0 32px;padding-bottom:24px;border-bottom:1px solid var(--border);font-size:13px;color:var(--text-muted)}
.category-tag{display:inline-block;padding:4px 14px;background:rgba(14,59,46,.08);color:var(--primary);border-radius:var(--radius-pill);font-size:13px;font-weight:500}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.article-content{font-size:16px;line-height:1.8;color:var(--text-body)}
.article-content p{margin-bottom:22px}
.article-content h2{font-size:22px;font-weight:700;color:var(--text-title);margin:40px 0 14px;border-left:3px solid var(--primary);padding-left:14px;line-height:1.5}
.article-content h3{font-size:18px;font-weight:600;color:var(--text-title);margin:30px 0 10px;border-bottom:1px solid var(--border);padding-bottom:10px}
.article-content h4{font-size:16px;font-weight:600;color:var(--text-title);margin:24px 0 8px}
.article-content ul,.article-content ol{margin:16px 0 24px;padding-left:24px}
.article-content li{margin-bottom:8px}
.article-content blockquote{background:var(--bg-warm);border-left:4px solid var(--accent);padding:18px 22px;margin:28px 0;border-radius:0 10px 10px 0;color:var(--text-body);font-style:normal}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:12px;margin:28px 0 10px;width:100%;height:auto;object-fit:cover}
.article-content figcaption,.article-content .img-caption{font-size:14px;color:var(--text-muted);text-align:center;margin-bottom:20px}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--accent)}
.article-content code{background:rgba(14,59,46,.06);padding:2px 8px;border-radius:4px;font-size:.92em}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left;font-size:14px}
.article-content th{background:var(--bg-warm);font-weight:600;color:var(--text-title)}
/* ===== Article Bottom Nav ===== */
.article-bottom-nav{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:44px;padding-top:28px;border-top:1px solid var(--border);flex-wrap:wrap}
.article-bottom-nav .prev-link,.article-bottom-nav .next-link{font-size:14px;font-weight:500;color:var(--primary);text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.article-bottom-nav .prev-link:hover,.article-bottom-nav .next-link:hover{color:var(--accent)}
.article-bottom-nav .disabled{font-size:14px;color:var(--text-muted);cursor:not-allowed;opacity:.5}
.back-link{display:inline-block;padding:9px 22px;border:1.5px solid var(--primary);border-radius:var(--radius-pill);font-size:14px;font-weight:500;color:var(--primary);text-decoration:none;transition:background-color .2s,color .2s}
.back-link:hover{background:rgba(14,59,46,.06);color:var(--primary)}
.article-card-empty{text-align:center;padding:80px 24px}
.article-card-empty .empty-icon{font-size:64px;color:#d5ddd8;margin-bottom:20px;line-height:1}
.article-card-empty p{font-size:18px;color:var(--text-body);margin-bottom:28px}
/* ===== Related ===== */
.related-section{padding:72px 0 56px;background:var(--bg-page)}
.section-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-header h2{font-size:26px;font-weight:700;color:var(--text-title);position:relative;padding-left:16px;line-height:1.4}
.section-header h2::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:2px;background:var(--accent)}
.section-link{font-size:14px;font-weight:500;color:var(--text-muted);text-decoration:none;transition:color .2s}
.section-link:hover{color:var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--bg-card);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column}
.related-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.card-cover{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bg-warm)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-card:hover .card-cover img{transform:scale(1.04)}
.card-badge{position:absolute;top:12px;right:12px;background:rgba(10,42,32,.72);color:var(--accent);font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);backdrop-filter:blur(4px)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-title{font-size:16px;font-weight:600;color:var(--text-title);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.card-desc{font-size:14px;color:var(--text-muted);line-height:1.65;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link{font-size:14px;font-weight:500;color:var(--primary);text-decoration:none;margin-top:auto;transition:color .2s}
.card-link:hover{color:var(--accent)}
/* ===== FAQ ===== */
.faq-section{padding:72px 0;background:var(--bg-warm)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:960px;margin:0 auto}
.faq-item{background:var(--bg-card);border-radius:12px;box-shadow:var(--shadow-card);overflow:hidden;transition:box-shadow .2s}
.faq-item:hover{box-shadow:var(--shadow-hover)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:none;font-size:15px;font-weight:600;color:var(--text-title);text-align:left;line-height:1.5;transition:background-color .2s}
.faq-question:hover{background:rgba(14,59,46,.04)}
.faq-icon{width:28px;height:28px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(14,59,46,.07);color:var(--primary);font-size:17px;font-weight:500;transition:transform .25s ease,background-color .25s ease}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--accent);color:var(--primary-dark)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 22px;font-size:14px;line-height:1.7;color:var(--text-body)}
.faq-item.active .faq-answer{max-height:300px;padding:0 22px 18px}
/* ===== CTA ===== */
.cta-section{background:var(--primary-dark);padding:72px 0;text-align:center;color:#fff}
.cta-inner{max-width:640px;margin:0 auto}
.cta-icon{width:48px;height:48px;color:var(--accent);margin:0 auto 18px;display:flex;align-items:center;justify-content:center}
.cta-text{font-size:20px;line-height:1.6;margin-bottom:32px;color:rgba(255,255,255,.92)}
.cta-inner .btn-primary{padding:16px 40px;font-size:16px}
/* ===== Footer ===== */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.72);padding:64px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .brand-mark{width:32px;height:32px;font-size:16px}
.footer-logo span:last-child{font-size:18px;font-weight:700;color:#fff}
.footer-brand p{font-size:14px;line-height:1.7;max-width:280px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent);border-radius:1px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:10px;text-decoration:none;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:8px;line-height:1.6}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}
/* ===== Responsive ===== */
@media(max-width:991px){
.article-card{padding:36px 32px}
.related-grid{grid-template-columns:repeat(2,1fr)}
.faq-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
.article-wrapper{margin-top:-36px;padding:0 12px}
.article-card{padding:28px 20px;border-radius:14px}
.article-card h1{font-size:22px}
.article-content{font-size:15px;line-height:1.75}
.article-meta{gap:10px}
.related-grid{grid-template-columns:1fr}
.related-section{padding:52px 0 40px}
.faq-section{padding:52px 0}
.cta-section{padding:56px 0}
.cta-text{font-size:17px}
.footer-grid{grid-template-columns:1fr;gap:28px}
.footer-bottom{flex-direction:column;text-align:center}
.nav-tab{padding:7px 14px;font-size:14px}
.article-bottom-nav{justify-content:center;text-align:center}
.article-bottom-nav .back-link{order:3;width:100%;text-align:center;margin-top:8px}
}

/* roulang page: category2 */
:root {
  --primary: #0E3B2E;
  --primary-light: #1C4F3D;
  --primary-dark: #0A2A20;
  --accent: #C9A962;
  --accent-hover: #D8B877;
  --bg-page: #F7F5F1;
  --bg-card: #FFFFFF;
  --bg-warm: #FAF8F4;
  --text-title: #1A2E26;
  --text-body: #3E4A45;
  --text-muted: #6B7A73;
  --border: rgba(14,59,46,.08);
  --shadow-card: 0 1px 3px rgba(14,59,46,.06);
  --shadow-hover: 0 8px 24px rgba(14,59,46,.10);
  --radius-card: 14px;
  --radius-btn: 9px;
  --radius-pill: 999px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: all .25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 1200px) { .container { padding: 0 32px; } }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 28px;
  height: 48px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #1A2E26;
  box-shadow: 0 2px 8px rgba(201,169,98,.28);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,169,98,.35);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline:focus-visible {
  outline: 2px solid rgba(255,255,255,.8);
  outline-offset: 2px;
}
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,42,32,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(250,248,244,.96);
  box-shadow: var(--shadow-card);
  border-bottom: 1px solid var(--border);
}
.site-header.scrolled .brand-text,
.site-header.scrolled .nav-tab,
.site-header.scrolled .header-search input {
  color: var(--text-title);
}
.site-header.scrolled .header-search input {
  border-color: var(--border);
}
.site-header.scrolled .brand-mark {
  background: var(--primary);
}
.header-top { border-bottom: 1px solid rgba(255,255,255,.06); }
.site-header.scrolled .header-top { border-bottom-color: var(--border); }
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent);
  color: #1A2E26;
  font-size: 18px;
  font-weight: 700;
  transition: background .3s ease;
}
.brand-text {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
  transition: color .3s ease;
}
.header-search { flex: 1; max-width: 320px; margin: 0 12px; }
.header-search form {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  overflow: hidden;
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled .header-search form { background: var(--bg-warm); }
.header-search form:focus-within {
  box-shadow: 0 0 0 2px var(--accent);
}
.header-search input {
  flex: 1;
  height: 42px;
  padding: 0 14px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14px;
  outline: none;
}
.site-header.scrolled .header-search input { color: var(--text-body); }
.header-search input::placeholder { color: rgba(255,255,255,.5); }
.site-header.scrolled .header-search input::placeholder { color: var(--text-muted); }
.header-search button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: rgba(255,255,255,.6);
  transition: color .3s ease;
}
.site-header.scrolled .header-search button { color: var(--text-muted); }
.header-search button:hover { color: var(--accent); }
.header-cta { flex-shrink: 0; }
.header-cta.btn-primary {
  background: var(--accent);
  color: #1A2E26;
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
  box-shadow: none;
}
.header-nav {
  position: relative;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.header-nav::-webkit-scrollbar { display: none; }
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  min-width: max-content;
}
.nav-tab {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  border-radius: var(--radius-pill);
  transition: all .25s ease;
  white-space: nowrap;
}
.site-header.scrolled .nav-tab { color: var(--text-body); }
.nav-tab:hover { color: #fff; background: rgba(255,255,255,.08); }
.site-header.scrolled .nav-tab:hover { color: var(--primary); background: rgba(14,59,46,.06); }
.nav-tab.active {
  color: #1A2E26;
  background: var(--accent);
  font-weight: 600;
}
.site-header.scrolled .nav-tab.active { color: #1A2E26; background: var(--accent); }
@media (max-width: 768px) {
  .header-search { display: none; }
  .header-top-inner { padding-top: 10px; padding-bottom: 10px; }
  .nav-tab { padding: 7px 14px; font-size: 13px; }
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  background: url('/assets/images/backpic/back-1.webp') center 40% / cover no-repeat;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(10,42,32,.94) 15%, rgba(14,59,46,.78) 55%, rgba(14,59,46,.60) 100%);
}
.page-hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(201,169,98,.16);
  border: 1px solid rgba(201,169,98,.4);
  color: #E6CE9E;
  font-size: 13px;
  margin-bottom: 24px;
}
.hero-badge i { font-size: 12px; }
.page-hero h1 {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: .01em;
}
.page-hero .hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,.82);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
  max-width: 620px;
}
.stat-item strong {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}
.stat-item span {
  font-size: 13px;
  color: rgba(255,255,255,.65);
}
@media (max-width: 768px) {
  .page-hero { min-height: 65vh; padding: 120px 0 60px; }
  .page-hero h1 { font-size: 28px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; margin-top: 40px; }
  .stat-item { flex: 1; min-width: 120px; }
}

/* ===== Section Base ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-card); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 22px; }
}

/* ===== Intro Section ===== */
.intro-card {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 40px;
  align-items: center;
}
.intro-text h2 { font-size: 26px; color: var(--text-title); margin-bottom: 12px; }
.intro-text p { color: var(--text-body); line-height: 1.8; }
.intro-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}
.intro-tags span {
  display: inline-block;
  padding: 8px 18px;
  background: #fff;
  border: 1px solid rgba(14,59,46,.1);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: all .25s ease;
}
.intro-tags span:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
@media (max-width: 768px) {
  .intro-card { grid-template-columns: 1fr; padding: 28px; gap: 24px; }
  .intro-tags { justify-content: flex-start; }
}

/* ===== Content Grid ===== */
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.content-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
}
.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.card-cover {
  position: relative;
  aspect-ratio: 4 / 3.2;
  overflow: hidden;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.content-card:hover .card-cover img { transform: scale(1.03); }
.card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 14px;
  background: rgba(14,59,46,.88);
  color: #E6CE9E;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}
.card-body { padding: 28px; }
.card-body h3 { font-size: 19px; font-weight: 700; color: var(--text-title); margin-bottom: 10px; }
.card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 18px; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.card-link i { font-size: 12px; transition: transform .25s ease; }
.card-link:hover { color: var(--accent); }
.card-link:hover i { transform: translateX(4px); }
@media (max-width: 768px) {
  .content-grid { grid-template-columns: 1fr; }
  .card-body { padding: 20px; }
}

/* ===== Value Props ===== */
.value-section { background: var(--primary-dark); position: relative; overflow: hidden; }
.value-section::before {
  content: '';
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,98,.08) 0%, transparent 70%);
  top: -120px;
  right: -120px;
}
.value-section .section-head h2 { color: #fff; }
.value-section .section-head p { color: rgba(255,255,255,.6); }
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.value-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  text-align: center;
  transition: all .3s ease;
}
.value-item:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(201,169,98,.25);
  transform: translateY(-4px);
}
.value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(201,169,98,.14);
  color: var(--accent);
  font-size: 22px;
}
.value-item h3 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 10px; }
.value-item p { font-size: 14px; color: rgba(255,255,255,.6); line-height: 1.7; }
@media (max-width: 992px) {
  .value-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .value-grid { grid-template-columns: 1fr; }
}

/* ===== Use Cases ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  padding: 32px 28px;
  transition: all .3s ease;
}
.case-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.case-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(14,59,46,.08);
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 20px;
}
.case-card h3 { font-size: 17px; font-weight: 700; color: var(--text-title); margin-bottom: 10px; }
.case-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
@media (max-width: 768px) {
  .cases-grid { grid-template-columns: 1fr; }
}

/* ===== Process ===== */
.process-section { background: var(--bg-warm); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  text-align: center;
}
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
.process-step h3 { font-size: 17px; font-weight: 600; color: var(--text-title); margin-bottom: 10px; }
.process-step p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.process-arrow {
  position: absolute;
  top: 50%;
  right: -30px;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 18px;
  z-index: 1;
}
@media (max-width: 768px) {
  .process-steps { grid-template-columns: 1fr; gap: 20px; }
  .process-arrow { display: none; }
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .25s ease;
}
.faq-item.open { box-shadow: var(--shadow-card); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  text-align: left;
  transition: color .25s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-question i {
  font-size: 14px;
  color: var(--accent);
  transition: transform .25s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,98,.12) 0%, transparent 70%);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
}
.cta-icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(201,169,98,.15);
  color: var(--accent);
  font-size: 24px;
  margin-bottom: 24px;
}
.cta-section h2 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,.75);
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section .btn { position: relative; z-index: 1; }
@media (max-width: 768px) {
  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 22px; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,.65);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.footer-brand .brand-mark {
  background: var(--accent);
  color: #1A2E26;
}
.footer-brand .footer-logo span:last-child {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 280px; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #E6CE9E;
  margin-bottom: 20px;
}
.footer-col a,
.footer-col p {
  display: block;
  font-size: 14px;
  line-height: 2.2;
  color: rgba(255,255,255,.55);
  transition: color .25s ease;
}
.footer-col a:hover { color: var(--accent-hover); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .3s ease;
  z-index: 50;
  box-shadow: 0 4px 16px rgba(14,59,46,.2);
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover { background: var(--primary-light); }