/* roulang page: index */
/* ========== Design Tokens ========== */
:root{
  --brand: #0B5C43;
  --brand-600: #0A4A36;
  --brand-800: #073728;
  --brand-soft: rgba(11, 92, 67, .07);
  --accent: #F7B32B;
  --accent-deep: #D9941A;
  --accent-soft: rgba(247, 179, 43, .16);
  --bg: #F6F7F4;
  --surface: #ffffff;
  --text: #17241E;
  --text-sub: #5D6E66;
  --border: rgba(11, 92, 67, .14);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 10px rgba(11, 92, 67, .06);
  --shadow-md: 0 14px 30px rgba(11, 92, 67, .10);
  --space: 96px;
}
/* ========== Reset & Base ========== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body:lang(zh){line-height:1.8}
img{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease}
a:hover{color:var(--brand-600)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1160px;margin:0 auto;padding-left:24px;padding-right:24px}
::selection{background:rgba(247,179,43,.35);color:#17301b}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(247,179,43,.55);outline-offset:2px}
/* ========== Buttons ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);padding:10px 22px;font-size:15px;font-weight:600;
  line-height:1.4;transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  border:1px solid transparent;
}
.btn:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#1a5945}
.btn-accent:hover{background:#ffc247;color:#063a2c;box-shadow:0 8px 20px rgba(247,179,43,.24)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;box-shadow:0 8px 20px rgba(11,92,67,.20)}
.btn-ghost{border-color:rgba(255,255,255,.72);color:#fff;background:transparent}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.14);color:#fff}
.btn-outline-light{border-color:rgba(255,255,255,.8);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.15);color:#fff;border-color:#fff}
.btn-lg{padding:14px 32px;font-size:16px;border-radius:8px}
/* ========== Header ========== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:16px}
.site-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  background:linear-gradient(145deg,var(--brand),var(--brand-800));
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px rgba(11,92,67,.18);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.02em}
.logo-text small{font-size:12px;color:var(--text-sub);letter-spacing:.3px;display:inline-flex;align-items:center;gap:6px}
.logo-text small::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent)}
.main-nav{display:flex;align-items:center}
.main-nav ul{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:9px 18px;border-radius:999px;
  color:var(--text);font-size:15px;font-weight:500;line-height:1.4;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px}
.search-form{
  display:flex;align-items:center;background:var(--bg);border:1px solid var(--border);
  border-radius:999px;padding:0 6px 0 16px;transition:border-color .2s,background .2s;
}
.search-form:focus-within{background:#fff;border-color:var(--brand)}
.search-form input{
  border:0;outline:0;background:transparent;width:152px;height:40px;font-size:14px;color:var(--text);
}
.search-form input::placeholder{color:#94a39b}
.search-form button{
  width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.search-form button:hover{background:var(--brand-600)}
.search-form button svg{width:14px;height:14px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:#fff}
.nav-toggle span{width:20px;height:2px;background:var(--brand);border-radius:2px;display:block}
/* ========== Hero ========== */
.hero{position:relative;isolation:isolate;background:#0a3d2e;padding:120px 0 150px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2}
.hero-overlay{position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(5,44,32,.92) 8%,rgba(7,55,41,.80) 48%,rgba(10,75,52,.42))}
.hero-inner{display:grid;grid-template-columns:1.2fr .75fr;gap:52px;align-items:center;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:13px;margin-bottom:24px;
}
.hero-badge svg{width:14px;height:14px;color:var(--accent)}
.hero h1{font-size:40px;line-height:1.3;color:#fff;font-weight:800;letter-spacing:.01em;max-width:680px}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(255,255,255,.88);margin-top:18px;max-width:600px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-note{font-size:13px;color:rgba(255,255,255,.62);margin-top:18px}
.hero-access{display:flex;flex-direction:column;gap:18px}
.access-card{
  background:rgba(255,255,255,.94);border-radius:var(--radius-lg);padding:26px 24px;
  box-shadow:0 18px 40px rgba(5,42,31,.22);border:1px solid rgba(255,255,255,.5);
  transition:transform .25s ease,box-shadow .25s ease;
}
.access-card:hover{transform:translateY(-4px);box-shadow:0 24px 52px rgba(4,38,27,.28)}
.access-card-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.access-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:10px;background:var(--accent);
  color:var(--brand-800);display:flex;align-items:center;justify-content:center;
}
.access-icon svg{width:20px;height:20px}
.access-card h3{font-size:18px;color:var(--text);font-weight:700}
.access-card p{font-size:14px;color:var(--text-sub);margin:4px 0 14px}
.access-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.access-link svg{width:15px;height:15px;transition:transform .2s}
.access-card:hover .access-link svg{transform:translateX(4px)}
/* ========== Stats ========== */
.stats-wrap{position:relative;z-index:5;margin:-46px auto 0;padding:0 24px;max-width:1160px}
.stats-grid{
  background:#fff;border-radius:16px;box-shadow:var(--shadow-md);
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;border:1px solid rgba(255,255,255,.8);
}
.stat-item{padding:24px 26px;border-left:1px solid var(--border)}
.stat-item:first-child{border-left:none}
.stat-item strong{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--text)}
.stat-item strong svg{width:18px;height:18px;color:var(--brand);flex:0 0 18px}
.stat-item span{display:block;font-size:13px;color:var(--text-sub);margin-top:6px;line-height:1.6}
/* ========== Section common ========== */
.section{padding:96px 0}
.section-soft{background:#EEF1ED}
.section-surface{background:#fff}
.section-bg{background:linear-gradient(180deg,var(--bg),#EDF1ED)}
.section-head{margin-bottom:44px}
.section-head .kicker{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.4px;padding:4px 12px;border-radius:999px;background:rgba(11,92,67,.09);margin-bottom:14px}
.section-head h2{font-size:30px;line-height:1.4;font-weight:700;letter-spacing:.01em;color:var(--text)}
.section-head .lead{font-size:16px;color:var(--text-sub);max-width:640px;margin-top:8px}
.section-center{text-align:center}
.section-center .lead{margin-left:auto;margin-right:auto}
/* ========== Process Steps ========== */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;counter-reset:step}
.step-item{
  position:relative;background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:34px 28px 28px;transition:transform .25s ease,box-shadow .25s ease;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-item:not(:last-child)::after{
  content:"";position:absolute;top:52px;right:-20px;width:20px;height:2px;
  background:rgba(11,92,67,.24);
}
.step-num{font-size:38px;font-weight:800;color:rgba(11,92,67,.16);line-height:1;letter-spacing:-1px;display:block}
.step-ico{margin-top:4px;width:46px;height:46px;background:var(--brand);border-radius:12px;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(11,92,67,.18)}
.step-ico svg{width:20px;height:20px}
.step-item h3{font-size:19px;font-weight:700;margin:18px 0 8px;color:var(--text)}
.step-item p{font-size:14px;color:var(--text-sub);line-height:1.7}
/* ========== Cases ========== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{
  background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.case-thumb{position:relative;aspect-ratio:4/3;background:#dbe2db;overflow:hidden}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover .case-thumb img{transform:scale(1.03)}
.case-tag{
  position:absolute;left:14px;top:14px;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.95);color:var(--brand);
}
.case-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text)}
.case-body p{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:16px;flex:1}
.case-link{
  font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
}
.case-link svg{width:15px;height:15px;transition:transform .2s}
.case-link:hover svg{transform:translateX(4px)}
/* ========== News ========== */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;padding:22px 24px;
  display:flex;flex-direction:column;transition:box-shadow .22s ease,transform .22s ease;
}
.news-item:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.news-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.post-cat{font-size:12px;font-weight:600;color:var(--brand);background:rgba(11,92,67,.1);padding:3px 12px;border-radius:999px}
.news-item time{font-size:12px;color:var(--text-sub);display:flex;align-items:center;gap:6px}
.news-item h3{font-size:18px;line-height:1.55;font-weight:700;margin-bottom:6px}
.news-item h3 a{color:var(--text)}
.news-item h3 a:hover{color:var(--brand)}
.news-item > p{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px dashed rgba(11,92,67,.16);padding-top:12px}
.news-more{font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:5px}
.news-more svg{width:14px;height:14px}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed rgba(11,92,67,.3);border-radius:14px;
  padding:54px 24px;text-align:center;color:var(--text-sub);font-size:15px;
}
.empty-state .empty-icon{width:48px;height:48px;margin:0 auto 14px;border-radius:50%;background:rgba(11,92,67,.09);display:flex;align-items:center;justify-content:center;color:var(--brand)}
.empty-state svg{width:22px;height:22px}
/* ========== FAQ ========== */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;
  overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item.open{border-color:rgba(11,92,67,.30);box-shadow:var(--shadow-sm)}
.faq-question{
  width:100%;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;transition:background .2s;
}
.faq-question:hover{background:rgba(11,92,67,.04)}
.faq-qicon{flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s,transform .25s}
.faq-qicon svg{width:14px;height:14px}
.faq-item.open .faq-qicon{background:var(--brand);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;padding:0 24px;color:var(--text-sub);font-size:15px;line-height:1.8;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-answer{max-height:500px;padding:0 24px 22px}
.faq-answer a{font-weight:600}
/* ========== CTA ========== */
.cta-section{background:var(--brand-800);position:relative;padding:88px 0;overflow:hidden}
.cta-section::before{
  content:"";position:absolute;inset:0;background-image:
   radial-gradient(circle at 15% 0%,rgba(247,179,43,.14),transparent 34%),
   radial-gradient(circle at 90% 100%,rgba(255,255,255,.06),transparent 40%);
}
.cta-inner{position:relative;text-align:center;z-index:2}
.cta-inner h2{font-size:32px;color:#fff;font-weight:800;line-height:1.4}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;max-width:620px;margin:16px auto 32px}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
/* ========== Footer ========== */
.site-footer{background:#05281e;color:rgba(255,255,255,.72);padding-top:68px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1.1fr 1.4fr;gap:40px;padding-bottom:40px}
.footer-brand .ft-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand .ft-logo .lb-icon{width:40px;height:40px;border-radius:10px;background:var(--accent);color:var(--brand-800);display:flex;align-items:center;justify-content:center}
.footer-brand .ft-logo strong{color:#fff;font-size:19px}
.footer-brand .ft-logo small{display:block;color:rgba(255,255,255,.58);font-size:12px;line-height:1.4}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.65)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:9px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s,padding-left .2s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}
/* ========== Responsive ========== */
@media (max-width: 991px){
  .section{padding:72px 0}
  .search-form{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;
    display:none;padding:20px 24px 28px;border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-md);max-height:calc(100vh - 76px);overflow:auto;
  }
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{display:block;padding:13px 18px;font-size:16px;border-radius:10px}
  .nav-link.active::after{display:none}
  .hero{padding:88px 0 140px}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-access{flex-direction:row}
  .access-card{flex:1}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(3){border-left:none}
  .stat-item:nth-child(n+3){border-top:1px solid var(--border)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width: 767px){
  .section{padding:56px 0}
  .header-inner{height:68px}
  .logo-text strong{font-size:17px}
  .logo-text small{font-size:11px}
  .hero{padding:64px 0 132px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-btns .btn-lg{padding:12px 20px;font-size:15px}
  .hero-access{flex-direction:column}
  .steps-grid{grid-template-columns:1fr}
  .step-item::after{display:none}
  .section-head h2{font-size:24px}
  .news-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .stats-wrap{padding:0 18px}
  .stats-grid{grid-template-columns:1fr}
  .stat-item{border-left:none!important;border-top:1px solid var(--border);padding:18px 24px}
  .stat-item:first-child{border-top:none}
  .cta-inner h2{font-size:26px}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .footer-bottom-inner{flex-direction:column;text-align:center}
}
@media (max-width: 540px){
  .container{padding-left:18px;padding-right:18px}
  .header-actions .btn{padding:9px 15px;font-size:14px}
  .logo-mark{width:36px;height:36px;flex-basis:36px}
  .hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .section-head h2{font-size:22px}
  .case-grid{grid-template-columns:1fr}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root {
  --primary: #0B5C43;
  --primary-soft: #0A4A36;
  --primary-dark: #073728;
  --primary-mist: #e7f1ec;
  --primary-mist-deep: #d8e8e0;
  --accent: #F7B32B;
  --accent-strong: #eaa818;
  --accent-soft: #fff4dc;
  --brand-bg: #F6F7F4;
  --card-bg: #ffffff;
  --text-main: #17241E;
  --text-sub: #5D6E66;
  --text-light: rgba(255, 255, 255, 0.78);
  --line: rgba(11, 92, 67, 0.14);
  --line-deep: rgba(11, 92, 67, 0.24);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-xs: 0 1px 2px rgba(23, 36, 30, 0.05);
  --shadow-sm: 0 4px 12px rgba(23, 36, 30, 0.06);
  --shadow-md: 0 12px 24px rgba(23, 36, 30, 0.08);
  --shadow-accent: 0 8px 20px rgba(11, 92, 67, 0.18);
  --container: 1120px;
  --space-lg: 96px;
  --space-md: 72px;
  --space-sm: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--brand-bg);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-locked {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button,
input {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(247, 179, 43, 0.55);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 6px rgba(23, 36, 30, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 74px;
}

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

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(11, 92, 67, 0.16);
}

.logo-text {
  line-height: 1.2;
  display: flex;
  flex-direction: column;
}

.logo-text strong {
  font-size: 18px;
  color: var(--primary-dark);
  letter-spacing: 0.02em;
}

.logo-text small {
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav .nav-link {
  position: relative;
  display: inline-block;
  padding: 28px 14px 26px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}

.main-nav .nav-link:hover {
  color: var(--primary);
}

.main-nav .nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.main-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-form {
  display: flex;
  align-items: center;
  width: 184px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--brand-bg);
  padding: 0 4px 0 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.search-form:focus-within {
  background: #fff;
  border-color: rgba(11, 92, 67, 0.45);
  box-shadow: 0 0 0 3px rgba(11, 92, 67, 0.08);
}

.search-form input {
  width: 100%;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  line-height: 34px;
  color: var(--text-main);
}

.search-form button {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  transition: background 0.2s ease;
}

.search-form button:hover {
  background: var(--primary-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: background 0.24s ease, color 0.24s ease, border-color 0.24s ease, transform 0.18s ease, box-shadow 0.24s ease;
  white-space: nowrap;
}

.btn-sm {
  min-height: 32px;
  padding: 0 14px;
  font-size: 13px;
}

.btn-md {
  min-height: 42px;
  padding: 0 24px;
  font-size: 15px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 14px rgba(11, 92, 67, 0.14);
}

.btn-primary:hover {
  background: var(--primary-soft);
  box-shadow: 0 10px 18px rgba(11, 92, 67, 0.2);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: 0 4px 10px rgba(247, 179, 43, 0.2);
}

.btn-accent:hover {
  background: var(--accent-strong);
  box-shadow: 0 8px 16px rgba(247, 179, 43, 0.28);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: rgba(11, 92, 67, 0.35);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-mist);
  border-color: var(--primary);
}

.header-actions > .btn-accent {
  min-height: 36px;
  padding: 0 18px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  background: #fff;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle:hover {
  background: var(--primary-mist);
  border-color: rgba(11, 92, 67, 0.3);
}

.article-page {
  background: var(--brand-bg);
}

.page-banner {
  background:
    linear-gradient(100deg, rgba(7, 55, 40, 0.97) 0%, rgba(11, 92, 67, 0.86) 50%, rgba(7, 55, 40, 0.62) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  padding: 48px 0 90px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--text-light);
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s ease;
}

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

.breadcrumbs .sep {
  opacity: 0.6;
}

.breadcrumbs span.current {
  color: #ffffff;
  font-weight: 500;
}

.article-wrap {
  max-width: 860px;
  margin: -54px auto 0;
  padding: 0 24px 24px;
  position: relative;
  z-index: 2;
}

.article-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  padding: 52px 60px 54px;
}

.article-head {
  margin-bottom: 34px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-mist);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  line-height: 1.5;
}

.badge-warm {
  background: var(--accent-soft);
  color: var(--primary-dark);
}

.article-head h1 {
  font-size: 36px;
  line-height: 1.38;
  font-weight: 700;
  color: var(--primary-dark);
  margin-top: 18px;
  letter-spacing: 0.01em;
  word-break: break-word;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  color: var(--text-sub);
  font-size: 13px;
}

.article-meta .meta-sep {
  color: var(--line-deep);
}

.article-summary {
  margin-top: 22px;
  background: var(--brand-bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.8;
  padding: 14px 20px;
}

.article-body {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-main);
  word-break: break-word;
}

.article-body > * + * {
  margin-top: 1em;
}

.article-body p {
  margin-bottom: 1.15em;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.45;
  margin: 2em 0 0.8em;
}

.article-body h2 {
  font-size: 26px;
  border-left: 4px solid var(--primary);
  padding-left: 14px;
}

.article-body h3 {
  font-size: 20px;
}

.article-body h4 {
  font-size: 17px;
}

.article-body img {
  border-radius: 12px;
  margin: 1.6em auto;
  border: 1px solid var(--line);
  width: auto;
  height: auto;
}

.article-body ul {
  list-style: none;
  margin: 0.6em 0 1.4em;
  padding: 0;
}

.article-body ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 0.6em;
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.78em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--primary);
  opacity: 0.8;
}

.article-body ol {
  counter-reset: score-list;
  margin: 0.6em 0 1.4em;
  padding: 0;
}

.article-body ol li {
  counter-increment: score-list;
  position: relative;
  padding-left: 34px;
  margin-bottom: 0.6em;
}

.article-body ol li::before {
  content: counter(score-list);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-mist);
  color: var(--primary);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}

.article-body blockquote {
  background: var(--primary-mist);
  border-left: 4px solid var(--primary);
  color: var(--primary-dark);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 1.4em 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 15px;
}

.article-body table th,
.article-body table td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

.article-body table th {
  background: var(--primary-mist);
  color: var(--primary-dark);
  font-weight: 600;
}

.article-body a {
  color: var(--primary);
  border-bottom: 1px solid rgba(11, 92, 67, 0.28);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.article-body a:hover {
  border-bottom-color: var(--primary);
}

.article-foot {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.article-foot-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.article-tagline {
  color: var(--text-sub);
  font-size: 13px;
}

.article-empty-card {
  background: var(--card-bg);
  border: 1px dashed var(--line-deep);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  padding: 90px 32px 100px;
}

.article-empty-card .empty-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background: var(--primary-mist);
  color: var(--primary);
  font-size: 30px;
}

.article-empty-card h1 {
  font-size: 28px;
  color: var(--primary-dark);
  font-weight: 700;
}

.article-empty-card p {
  color: var(--text-sub);
  margin: 12px auto 28px;
  max-width: 360px;
  font-size: 15px;
}

.related-section {
  background: #fff;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--line);
  margin-top: 18px;
}

.related-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.related-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.4;
}

.related-head p {
  color: var(--text-sub);
  font-size: 14px;
  margin-top: 6px;
}

.related-head a {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.related-head a:hover {
  color: var(--primary-dark);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 92, 67, 0.28);
}

.related-card .rc-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.related-card .rc-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.related-card .rc-tag {
  align-self: flex-start;
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-mist);
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.related-card h3 {
  font-size: 18px;
  color: var(--text-main);
  font-weight: 700;
  margin: 12px 0 8px;
  line-height: 1.5;
}

.related-card p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 18px;
  flex: 1;
}

.related-card .rc-link {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.related-card .rc-link:hover {
  color: var(--accent-strong);
  color: var(--primary-dark);
}

.related-cta {
  text-align: center;
  margin-top: 36px;
}

.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.82);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 44px;
}

.ft-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.ft-logo .lb-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(247, 179, 43, 0.14);
}

.ft-logo strong {
  display: block;
  font-size: 18px;
  color: #ffffff;
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.ft-logo small {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.footer-brand > p {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.64);
  max-width: 310px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-col ul a:hover {
  color: var(--accent);
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 10px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 50px;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  min-height: 76px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-inner a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.footer-bottom-inner a:hover {
  color: var(--accent);
}

@media (max-width: 991px) {
  :root {
    --space-lg: 84px;
    --space-md: 62px;
    --space-sm: 48px;
  }

  .container {
    padding: 0 20px;
  }

  .search-form {
    width: 150px;
  }

  .main-nav .nav-link {
    padding-left: 10px;
    padding-right: 10px;
  }

  .article-card {
    padding: 40px 38px 44px;
  }

  .article-wrap {
    max-width: 750px;
  }

  .footer-inner {
    grid-template-columns: 1.2fr 1fr 1.2fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .related-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }

  .related-card .rc-body {
    padding: 16px 16px 20px;
  }

  .related-card .rc-body h3 {
    font-size: 16px;
  }
}

@media (max-width: 767px) {
  .header-inner {
    min-height: 66px;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(23, 36, 30, 0.1);
    max-height: calc(100vh - 66px);
    overflow-y: auto;
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    display: block;
    padding: 8px 16px 16px;
  }

  .main-nav .nav-link {
    display: block;
    padding: 13px 12px;
    border-radius: 8px;
    font-size: 15px;
  }

  .main-nav .nav-link:hover {
    background: var(--primary-mist);
  }

  .main-nav .nav-link.active {
    background: var(--primary);
    color: #ffffff;
  }

  .main-nav .nav-link.active::after {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-actions {
    gap: 8px;
  }

  .header-actions .search-form {
    display: none;
  }

  .header-actions .btn-accent {
    min-width: 0;
    padding: 0 14px;
  }

  .page-banner {
    padding: 34px 0 84px;
  }

  .breadcrumbs {
    font-size: 13px;
  }

  .article-wrap {
    padding: 0 16px 20px;
  }

  .article-card {
    padding: 28px 22px 34px;
    border-radius: 14px;
  }

  .article-head h1 {
    font-size: 26px;
    line-height: 1.42;
  }

  .article-summary {
    padding: 12px 16px;
    font-size: 14px;
  }

  .article-body {
    font-size: 16px;
    line-height: 1.8;
  }

  .article-body h2 {
    font-size: 22px;
  }

  .article-body h3 {
    font-size: 18px;
  }

  .related-section {
    padding: var(--space-sm) 0;
  }

  .related-head h2 {
    font-size: 24px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .related-card {
    flex-direction: row;
    align-items: stretch;
  }

  .related-card .rc-img {
    width: 132px;
    flex: 0 0 132px;
    aspect-ratio: auto;
    object-fit: cover;
  }

  .related-card .rc-body {
    padding: 14px 16px;
    align-items: flex-start;
  }

  .related-card .rc-body p {
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

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

  .footer-brand {
    grid-column: auto;
  }

  .footer-brand > p {
    max-width: 100%;
  }

  .footer-bottom-inner {
    justify-content: flex-start;
    padding: 16px 0;
  }
}

@media (max-width: 520px) {
  .header-actions .btn-accent {
    padding: 0 10px;
    font-size: 13px;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .logo-text strong {
    font-size: 16px;
  }

  .logo-text small {
    font-size: 11px;
  }

  .article-head h1 {
    font-size: 23px;
  }

  .article-body {
    font-size: 16px;
  }

  .related-card {
    flex-direction: column;
  }

  .related-card .rc-img {
    width: 100%;
    flex: none;
    aspect-ratio: 16 / 8;
  }

  .article-foot {
    flex-direction: column;
    align-items: flex-start;
  }

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

/* roulang page: category1 */
:root{
  --brand:#0B5C43;
  --brand-dark:#0A4A36;
  --brand-deeper:#073728;
  --accent:#F7B32B;
  --accent-ink:#0B5C43;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --text-main:#17241E;
  --text-weak:#5D6E66;
  --border:rgba(11,92,67,.14);
  --radius-btn:6px;
  --radius-card:10px;
  --radius-float:14px;
  --shadow:0 6px 24px rgba(13,57,41,.07);
  --shadow-lg:0 18px 40px rgba(13,57,41,.12);
  --container:1120px;
  --space:96px;
  --space-md:72px;
  --space-sm:56px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-main);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;border:none;outline:none}
button{cursor:pointer}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space) 0}
.section-white{background:#fff}
.section-head{max-width:680px;margin:0 auto 50px;text-align:center}
.section-head h2{font-size:30px;line-height:1.35;color:var(--text-main)}
.section-head p{margin-top:10px;color:var(--text-weak);font-size:16px}
.section-tag{
  display:inline-block;
  background:rgba(11,92,67,.1);
  color:var(--brand);
  border-radius:999px;
  padding:4px 14px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:12px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:11px 20px;
  border-radius:var(--radius-btn);
  font-size:14px;
  font-weight:600;
  line-height:1.4;
  border:1px solid transparent;
  transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid rgba(11,92,67,.35);outline-offset:2px}
.btn-accent{background:var(--accent);color:var(--accent-ink);box-shadow:0 6px 18px rgba(247,179,43,.26)}
.btn-accent:hover{background:#E8A51E;color:var(--brand-deeper)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-lg{padding:14px 28px;font-size:15px;border-radius:8px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deeper)}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 14px rgba(7,55,40,.05);
}
.header-inner{display:flex;align-items:center;gap:24px;height:74px;position:relative}
.site-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;border-radius:10px}
.site-logo:focus-visible{outline:3px solid rgba(11,92,67,.3);outline-offset:4px}
.logo-mark{
  width:40px;height:40px;border-radius:11px;
  background:linear-gradient(145deg,var(--brand),var(--brand-deeper));
  color:#fff;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;gap:2px}
.logo-text strong{font-size:19px;color:var(--brand-dark);font-weight:800;letter-spacing:.01em}
.logo-text small{font-size:11px;color:var(--text-weak);font-weight:500;letter-spacing:.08em}

.main-nav{flex:1;display:flex;justify-content:center}
.main-nav ul{display:flex;gap:6px}
.nav-link{
  display:block;
  padding:8px 15px;
  border-radius:999px;
  font-size:15px;
  line-height:1.5;
  color:var(--text-main);
  transition:background .2s,color .2s;
}
.nav-link:hover{color:var(--brand);background:rgba(11,92,67,.06)}
.nav-link.active{color:var(--brand);background:rgba(11,92,67,.1);font-weight:600}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-form{
  display:flex;
  align-items:center;
  background:#F1F5F2;
  border:1px solid var(--border);
  border-radius:999px;
  padding:4px 5px 4px 16px;
  transition:box-shadow .2s,border-color .2s;
}
.search-form:focus-within{border-color:rgba(11,92,67,.4);box-shadow:0 0 0 4px rgba(11,92,67,.1)}
.search-form input{background:transparent;border:0;width:140px;font-size:14px;color:var(--text-main)}
.search-form input::placeholder{color:#8FA099}
.search-form button{
  width:32px;height:32px;border-radius:50%;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.search-form button:hover{background:var(--brand-deeper)}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  background:#F1F5F2;
  border-radius:10px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .25s,opacity .25s}
.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)}

/* Page hero */
.page-hero{
  position:relative;
  color:#fff;
  background:linear-gradient(118deg,rgba(4,41,29,.97) 0%,rgba(9,73,52,.9) 54%,rgba(11,92,67,.78) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:74px 0 70px;
}
.page-hero::after{
  content:"";
  position:absolute;
  pointer-events:none;
  left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:.6;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:24px;
}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.6}
.hero-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:end;
}
.hero-title{font-size:44px;line-height:1.25;letter-spacing:.01em}
.hero-lead{margin-top:18px;font-size:18px;line-height:1.9;color:rgba(255,255,255,.86);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .hint{
  width:100%;
  margin-top:4px;
  color:rgba(255,255,255,.66);
  font-size:13px;
}
.hero-note-card{
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--radius-float);
  padding:22px 22px 20px;
  backdrop-filter:blur(8px);
}
.hero-note-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.hero-note-card p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.86)}
.note-rule{
  width:32px;height:3px;border-radius:3px;
  background:var(--accent);
  margin:14px 0 12px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:18px 38px;
  margin-top:42px;
  border-top:1px solid rgba(255,255,255,.2);
  padding-top:24px;
}
.hero-stats span{display:block;font-size:12px;color:rgba(255,255,255,.7);letter-spacing:.06em}
.hero-stats strong{display:block;color:#fff;font-size:14px;margin-top:3px;font-weight:600}

/* Feature split */
.feature-split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:64px;
  align-items:center;
}
.feature-figure{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.feature-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-figure figcaption{
  position:absolute;
  left:16px;bottom:16px;
  background:rgba(7,55,40,.84);
  color:#fff;
  border:1px solid rgba(255,255,255,.26);
  border-radius:999px;
  padding:5px 14px;
  font-size:13px;
  backdrop-filter:blur(4px);
}
.feature-text h2{font-size:30px;line-height:1.4;margin-top:10px}
.feature-text > p{color:var(--text-weak);margin-top:10px}
.feature-list{margin-top:26px}
.feature-list li{
  display:flex;
  gap:14px;
  padding:17px 0;
  border-bottom:1px solid var(--border);
}
.feature-list li:last-child{border-bottom:none}
.feature-icon{
  flex:0 0 36px;
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(11,92,67,.1);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.feature-list strong{display:block;font-size:16px}
.feature-list p{margin-top:2px;color:var(--text-weak);font-size:14px;line-height:1.75}

/* Topic cards */
.card-grid-three{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.topic-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(11,92,67,.28)}
.topic-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.topic-card:hover .topic-thumb img{transform:scale(1.045)}
.topic-thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(9,73,52,.16),transparent 45%);
  pointer-events:none;
}
.topic-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.badge{
  align-self:flex-start;
  background:rgba(11,92,67,.1);
  color:var(--brand);
  border-radius:999px;
  padding:2px 12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.03em;
}
.topic-body h3{font-size:19px;margin-top:12px;color:#1B2A22}
.topic-excerpt{margin-top:8px;color:var(--text-weak);font-size:14px;line-height:1.8}
.topic-link{
  margin-top:auto;
  padding-top:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:14px;
  transition:gap .2s,color .2s;
}
.topic-link .arrow{transition:transform .2s}
.topic-link:hover{color:var(--brand-deeper);gap:9px}
.topic-link:hover .arrow{transform:translateX(3px)}

/* Subscribe panel */
.subscribe-panel{
  background:linear-gradient(115deg,var(--brand-deeper),var(--brand));
  border-radius:20px;
  padding:54px 58px;
  color:#fff;
  box-shadow:0 24px 60px rgba(7,55,40,.24);
}
.subscribe-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.subscribe-inner h2{font-size:28px;line-height:1.4;color:#fff}
.subscribe-inner .desc{
  margin-top:12px;
  color:rgba(255,255,255,.82);
  font-size:15px;
  line-height:1.85;
}
.subscribe-form{
  display:flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border-radius:999px;
  padding:6px 6px 6px 22px;
  box-shadow:0 10px 28px rgba(0,0,0,.16);
}
.subscribe-form input{
  flex:1;
  min-width:0;
  background:transparent;
  padding:11px 0;
  color:var(--text-main);
  font-size:15px;
}
.subscribe-form input::placeholder{color:#95A29C}
.subscribe-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.64)}

/* FAQ */
.faq-wrap{max-width:800px;margin:0 auto}
.md-faq{
  background:#fff;
  border:1px solid var(--border);
  border-radius:13px;
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.md-faq[open]{border-color:rgba(11,92,67,.26);box-shadow:0 8px 26px rgba(7,55,40,.06)}
.md-faq summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 22px;
  font-weight:600;
  font-size:16px;
  cursor:pointer;
  color:var(--text-main);
  transition:color .2s;
}
.md-faq summary::-webkit-details-marker{display:none}
.md-faq summary:hover{color:var(--brand)}
.md-faq summary::after{
  content:"+";
  flex:0 0 28px;
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(11,92,67,.09);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;
  font-weight:500;
  transition:transform .2s,background .2s;
}
.md-faq[open] summary::after{content:"–";background:var(--brand);color:#fff}
.md-faq summary:focus-visible{outline:3px solid rgba(11,92,67,.3);outline-offset:-3px}
.md-faq .faq-a{
  padding:0 22px 22px;
  color:var(--text-weak);
  font-size:15px;
  line-height:1.8;
}
.faq-more{
  text-align:center;
  margin-top:30px;
}

/* CTA band */
.cta-band{margin-top:8px}
.cta-inner{
  background:linear-gradient(115deg,var(--brand-deeper),var(--brand));
  border-radius:20px;
  color:#fff;
  text-align:center;
  padding:62px 40px;
  position:relative;
  overflow:hidden;
}
.cta-inner::before{
  content:"";
  position:absolute;
  width:380px;height:380px;
  border-radius:50%;
  background:rgba(247,179,43,.08);
  top:-180px;right:-120px;
}
.cta-inner::after{
  content:"";
  position:absolute;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.06);
  bottom:-140px;left:-80px;
}
.cta-inner h2{position:relative;z-index:1;font-size:32px;color:#fff;line-height:1.4}
.cta-inner .cta-text{position:relative;z-index:1;color:rgba(255,255,255,.82);font-size:16px;margin-top:14px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:30px}

/* Footer */
.site-footer{
  background:#073424;
  color:#CFE0D8;
  margin-top:var(--space);
  padding:68px 0 0;
}
.footer-inner{
  display:grid;
  grid-template-columns:1.6fr .75fr .9fr 1.1fr;
  gap:48px;
}
.ft-logo{display:flex;align-items:center;gap:10px;color:#fff}
.lb-icon{
  width:40px;height:40px;
  border-radius:11px;
  background:#fff;
  color:var(--brand-deeper);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.ft-logo strong{display:block;font-size:19px;line-height:1.2}
.ft-logo small{display:block;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.72);line-height:1.3;margin-top:2px}
.footer-brand p{margin-top:20px;max-width:330px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.05em;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s,padding-left .2s}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9}
.footer-bottom{
  margin-top:55px;
  border-top:1px solid rgba(255,255,255,.13);
}
.footer-bottom-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:18px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:rgba(255,255,255,.62);
  font-size:13px;
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--accent)}

/* Responsive */
@media (max-width:1100px){
  .search-form input{width:110px}
  .feature-split{gap:36px}
}

@media (max-width:992px){
  .section{padding:var(--space-md) 0}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;
    top:100%;
    left:-24px;
    right:-24px;
    width:calc(100% + 48px);
    background:#fff;
    border-bottom:1px solid var(--border);
    box-shadow:0 18px 30px rgba(7,55,40,.1);
    padding:10px 0 14px;
    display:none;
  }
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:0 24px}
  .nav-link{
    display:block;
    font-size:16px;
    padding:12px 14px;
    border-radius:12px;
  }
  .header-actions .btn-accent{padding:9px 14px;font-size:13px}
  .hero-title{font-size:38px}
  .hero-row{grid-template-columns:minmax(0,1fr) 280px;gap:34px}
  .card-grid-three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-inner{grid-template-columns:1.4fr .8fr .9fr 1.1fr;gap:32px}
}

@media (max-width:768px){
  body{line-height:1.75}
  .section{padding:var(--space-sm) 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:24px}
  .header-actions .search-form{display:none}
  .header-inner{height:64px;gap:12px}
  .logo-text strong{font-size:17px}
  .logo-text small{font-size:10px}
  .logo-mark{width:36px;height:36px}
  .page-hero{padding:48px 0 42px}
  .hero-title{font-size:34px}
  .hero-row{grid-template-columns:1fr;gap:30px}
  .hero-lead{font-size:17px}
  .hero-note-card{max-width:100%}
  .hero-stats{margin-top:32px;padding-top:20px;gap:14px 26px}
  .feature-split{grid-template-columns:1fr;gap:24px}
  .feature-text h2{font-size:24px}
  .feature-list li{padding:14px 0}
  .feature-list p{font-size:14px}
  .card-grid-three{grid-template-columns:1fr}
  .topic-card{max-width:480px}
  .topic-thumb{aspect-ratio:16/10}
  .subscribe-panel{padding:38px 24px;border-radius:16px}
  .subscribe-inner{grid-template-columns:1fr;gap:26px}
  .subscribe-inner h2{font-size:23px}
  .subscribe-form{padding:6px;border-radius:16px;flex-direction:column;align-items:stretch}
  .subscribe-form input{padding:12px 16px;border-bottom:1px solid var(--border);margin-bottom:4px}
  .subscribe-form .btn{border-radius:12px;width:100%}
  .faq-wrap{margin-top:8px}
  .md-faq summary{font-size:15px;padding:16px}
  .md-faq .faq-a{padding:0 16px 18px}
  .cta-inner{padding:42px 22px}
  .cta-inner h2{font-size:26px}
  .cta-actions .btn{width:calc(100% - 28px)}
  .site-footer{margin-top:56px;padding:48px 0 0}
  .footer-inner{grid-template-columns:1fr 1fr;gap:34px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom-inner{flex-direction:column;text-align:center;gap:8px;padding:18px 24px 24px}
}

@media (max-width:480px){
  .container{padding:0 18px}
  .header-actions .btn-accent{font-size:12px;padding:8px 11px}
  .nav-toggle{width:38px;height:38px}
  .hero-title{font-size:30px}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .hero-note-card{padding:18px}
  .hero-stats strong{font-size:13px}
  .feature-figure{border-radius:14px}
  .card-grid-three{gap:16px}
  .topic-body{padding:20px}
  .footer-inner{grid-template-columns:1fr;gap:30px}
  .footer-brand{grid-column:auto}
  .cta-inner h2{font-size:24px}
  .cta-inner .cta-text{font-size:15px}
}

/* roulang page: category2 */
/* ========== CSS Variables ========== */
:root {
  --primary-darkest: #073728;
  --primary-dark: #0A4A36;
  --primary-brand: #0B5C43;
  --primary-light: #D9EEE4;
  --accent: #F7B32B;
  --accent-hover: #FFC452;
  --page-bg: #F6F7F4;
  --card-bg: #ffffff;
  --text-main: #17241E;
  --text-sub: #5D6E66;
  --line: rgba(11, 92, 67, 0.15);
  --radius-btn: 6px;
  --radius-card: 10px;
  --radius-input: 999px;
  --shadow-card: 0 2px 8px rgba(23, 36, 30, 0.04), 0 1px 2px rgba(23, 36, 30, 0.02);
  --shadow-hover: 0 10px 28px rgba(11, 92, 67, 0.1), 0 4px 8px rgba(23, 36, 30, 0.04);
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", Roboto, sans-serif;
  --container: 1120px;
  --space-pad: clamp(40px, 7vw, 96px);
  --transition: 0.2s ease;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; }

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; }

ol, ul { list-style: none; }

blockquote, q { quotes: none; }
blockquote::before, blockquote::after, q::before, q::after { content: none; }
table { border-collapse: collapse; border-spacing: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background-color: var(--page-bg);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
img { height: auto; }
input, button, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }

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

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid rgba(247, 179, 43, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

::selection { background: rgba(247, 179, 43, 0.35); color: var(--primary-darkest); }

/* ========== Header ========== */
.site-header {
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 8px rgba(23, 36, 30, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 74px;
}

.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  color: var(--text-main);
  gap: 10px;
  padding: 8px 0;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(145deg, #F7B32B, #e49d17);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 3px 8px rgba(244, 169, 25, 0.25);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text strong {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: 0.02em;
}

.logo-text small {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-sub);
  letter-spacing: 0.2em;
}

.main-nav ul {
  display: flex;
  gap: 30px;
  list-style: none;
}

.main-nav .nav-link {
  display: block;
  padding: 30px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-bottom: 3px solid transparent;
  position: relative;
  letter-spacing: 0.01em;
}

.main-nav .nav-link:hover {
  color: var(--primary-brand);
  background: transparent;
}

.main-nav .nav-link.active {
  color: var(--primary-brand);
  border-bottom-color: var(--primary-brand);
  font-weight: 650;
}

.main-nav .nav-link:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 3px;
  border-radius: 3px;
  background: rgba(11, 92, 67, 0.3);
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-form {
  display: flex;
  align-items: center;
  background: var(--page-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-input);
  padding: 0 6px 0 16px;
  min-width: 200px;
  transition: border-color var(--transition), background var(--transition);
}

.search-form:focus-within {
  border-color: var(--primary-brand);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(11, 92, 67, 0.08);
}

.search-form input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  padding: 8px 0;
  width: 100%;
  color: var(--text-main);
}

.search-form input::placeholder { color: #96A29B; }
.search-form button {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 7px 10px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
}

.search-form button:hover { color: var(--accent); }
.btn {
  padding: 10px 20px;
  border-radius: var(--radius-btn);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-darkest);
  font-weight: 700;
  box-shadow: 0 2px 4px rgba(247, 179, 43, 0.15), 0 1px 2px rgba(23, 36, 30, 0.03);
}

.btn-accent:hover {
  background: var(--accent-hover);
  color: var(--primary-darkest);
  transform: translateY(-1px);
  box-shadow: 0 5px 14px rgba(247, 179, 43, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 255, 255, 0.04);
}

.btn-primary {
  background: var(--primary-brand);
  border-color: var(--primary-brand);
  color: #ffffff;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(11, 92, 67, 0.22);
}

.btn-white-outline {
  border-color: #fff;
  color: #fff;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 8px;
  align-items: center;
  background: var(--page-bg);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary-dark);
  border-radius: 2px;
  transition: all 0.3s 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); }

/* ========== Hero ========== */
.category-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  min-height: 340px;
  padding: 60px 0;
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 55, 40, 0.9) 20%, rgba(7, 55, 40, 0.72) 65%, rgba(7, 55, 40, 0.35));
  z-index: 1;
}

.category-hero .container {
  position: relative;
  z-index: 2;
}

.category-breadcrumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 24px;
}

.category-breadcrumb a { color: rgba(255, 255, 255, 0.7); }
.category-breadcrumb a:hover { color: #ffffff; text-decoration: underline; }
.category-breadcrumb .sep { opacity: 0.5; }

.category-hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}

.category-hero p {
  font-size: 17px;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 28px;
}

.category-hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.category-hero .tag-note {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-left: 14px;
}

/* ========== Section base ========== */
.section { padding: var(--space-pad) 0; }
.section-bg-white { background: #ffffff; }
.section-bg-gray { background: var(--page-bg); }
.section-bg-dark { background: var(--primary-darkest); color: #fff; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  color: var(--primary-darkest);
  line-height: 1.24;
  position: relative;
}

.section-head.has-line h2 {
  padding-left: 18px;
  border-left: 5px solid var(--accent);
  border-radius: 0 4px 4px 0;
}

.module-desc {
  color: var(--text-sub);
  font-size: 16px;
  max-width: 620px;
  line-height: 1.8;
  margin-top: 8px;
}

/* ========== Cat hero stat mini ========== */
.cat-hero-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 36px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.cat-hero-footer .mini-stat {
  display: flex;
  gap: 14px;
  align-items: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.cat-hero-footer .stat-icon {
  width: 40px;
  height: 40px;
  background: rgba(247, 179, 43, 0.14);
  color: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(247, 179, 43, 0.18);
}

/* ========== Info cards ========== */
.cat-overview {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 36px;
  border: 1px solid rgba(11, 92, 67, 0.07);
}

.cat-overview p {
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.95;
  margin-bottom: 1em;
}

/* Coverage two col */
.coverage-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 30px;
}

.coverage-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid rgba(11, 92, 67, 0.12);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}

.coverage-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(11, 92, 67, 0.25);
}

.coverage-card.reverse { flex-direction: column; }

.coverage-card .img-wrap {
  overflow: hidden;
  height: 220px;
}

.coverage-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.coverage-card:hover .img-wrap img { transform: scale(1.03); }

.coverage-card-body {
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.coverage-card-body h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 4px 0 0;
}

.coverage-card-body .info-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

.coverage-card-body .info-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text-sub);
  font-size: 15px;
}

.coverage-card-body .info-list li i {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(11, 92, 67, 0.08);
  color: var(--primary-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 5px;
}

/* ========== Article list module ========== */
.info-snapshot {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
  align-items: center;
}

.hot-card {
  background: var(--primary-darkest);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
  color: #ffffff;
  display: block;
  min-height: 330px;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.hot-card img {
  position: absolute;
  inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.hot-card .card-content {
  position: relative;
  z-index: 1;
  padding: 34px 30px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 12px;
}

.hot-card .hot-label {
  display: inline-flex;
  align-self: flex-start;
  background: rgba(247, 179, 43, 0.95);
  color: var(--primary-darkest);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 3px;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.hot-card h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
}

.hot-card p { font-size: 14px; color: rgba(255, 255, 255, 0.78); }

.list-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.list-card:hover {
  border-color: var(--primary-brand);
  box-shadow: var(--shadow-hover);
}

.list-card .lc-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 10px;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary-brand);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.02em;
  align-self: flex-start;
}

.lc-body h3 { font-size: 18px; font-weight: 700; color: var(--text-main); line-height: 1.45; }
.lc-body p { font-size: 14px; color: var(--text-sub); flex: 1; }
.lc-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  color: var(--text-sub);
  font-weight: 500;
}

.lc-meta time::before { content: "📅 "; font-size: 11px; opacity: 0.8; }
.lc-meta span::before { content: "·"; margin-right: 10px; }

.read-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary-brand);
  font-weight: 600;
  font-size: 14px;
  margin-top: 4px;
}
.read-link:hover { text-decoration: underline; }

/* Case strip */
.default-thumb-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.default-thumb-list .dc {
  display: flex;
  background: #fff;
  gap: 18px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(11, 92, 67, 0.08);
  transition: all var(--transition);
}

.default-thumb-list .dc:hover {
  transform: translateX(5px);
  border-color: rgba(11, 92, 67, 0.2);
}

.default-thumb-list .dc .thumb-img {
  width: 76px;
  height: 76px;
  flex-shrink: 0;
  border-radius: 9px;
  object-fit: cover;
}

.default-thumb-list .dc h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.default-thumb-list .dc p { font-size: 13px; color: var(--text-sub); }

/* ========== Feature flow ========== */
.flow-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 34px;
}

.flow-item {
  display: flex;
  gap: 18px;
  background: #fff;
  padding: 20px 24px;
  border-radius: 12px;
  border: 1px solid rgba(11, 92, 67, 0.08);
  box-shadow: 0 1px 2px rgba(23, 36, 30, 0.02);
}

.flow-num {
  flex-shrink: 0;
  font-size: 30px;
  font-weight: 800;
  color: var(--accent);
  background: rgba(247, 179, 43, 0.12);
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(247, 179, 43, 0.15);
}

.flow-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 5px; color: var(--primary-dark); }
.flow-item p { font-size: 14px; color: var(--text-sub); }

/* ========== FAQ ========== */
.faq-wrap {
  background: #ffffff;
  border-radius: 16px;
  padding: 34px 36px;
  border: 1px solid rgba(11, 92, 67, 0.1);
  box-shadow: var(--shadow-card);
}

.faq-item { border-bottom: 1px solid rgba(11, 92, 67, 0.1); }

.faq-item:last-child { border-bottom: none; }

.faq-q {
  display: flex;
  align-items: center;
  gap: 16px;
  background: none;
  border: none;
  text-align: left;
  padding: 21px 0;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all var(--transition);
}

.faq-q:hover { color: var(--primary-brand); }
.faq-q .ico-flag {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--primary-light);
  color: var(--primary-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.faq-q .faq-arrow { margin-left: auto; flex-shrink: 0; color: var(--text-sub); transition: transform 0.2s ease; }
.faq-item.active .faq-arrow { transform: rotate(45deg); color: var(--accent); }

.faq-a { display: none; padding-bottom: 20px; padding-left: 0; }
.faq-a-inner { padding-left: 46px; color: var(--text-sub); line-height: 1.8; font-size: 15px; }

.faq-a-inner .more-link { color: var(--primary-brand); font-weight: 600; }
.faq-a-inner .more-link:hover { text-decoration: underline; }
.faq-item.active .faq-q { color: var(--primary-brand); }

/* ========== CTA ========== */
.cta-block {
  background:
    linear-gradient(rgba(7, 55, 40, 0.84), rgba(7, 55, 40, 0.88)),
    url('/assets/images/backpic/back-3.png') no-repeat center/cover;
  color: #fff;
  text-align: center;
  padding: 64px 24px;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

.cta-block h2 {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-block p { color: rgba(255, 255, 255, 0.8); font-size: 15px; max-width: 550px; margin: 0 auto 28px; }

.btn-large { padding: 13px 32px; font-size: 16px; }

/* ========== Empty state ========== */
.empty-tip {
  background: #fff;
  border: 1px dashed rgba(11, 92, 67, 0.25);
  border-radius: 10px;
  text-align: center;
  padding: 48px 20px;
  color: var(--text-sub);
}

.empty-tip strong { display: block; color: var(--text-main); margin-bottom: 8px; font-size: 17px; }

/* ========== Footer ========== */
.site-footer {
  background: var(--primary-darkest);
  color: rgba(255, 255, 255, 0.76);
  padding-top: 56px;
  padding-bottom: 0;
  margin-top: 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.ft-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.lb-icon {
  width: 42px;
  height: 42px;
  background: rgba(247, 179, 43, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 1px solid rgba(247, 179, 43, 0.18);
}

.ft-logo strong, .ft-logo small { display: block; }
.ft-logo strong { color: #fff; font-size: 20px; font-weight: 800; color: var(--accent); }
.ft-logo small { color: rgba(255, 255, 255, 0.8); font-size: 12px; letter-spacing: 0.2em; }

.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.65); line-height: 1.9; margin-top: 15px; }
.footer-col h4 {
  font-size: 17px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 6px;
}

.footer-col h4::before {
  content: "";
  position: absolute;
  width: 26px;
  height: 3px;
  bottom: 0;
  left: 0;
  background: var(--accent);
  opacity: 0.8;
  border-radius: 0 3px 3px 0;
}

.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: all 0.2s ease;
}
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p { font-size: 14px; margin-bottom: 8px; color: rgba(255, 255, 255, 0.65); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-inner a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom-inner a:hover { color: var(--accent); }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .header-inner { gap: 16px; }

  .search-form { min-width: 160px; }

  .main-nav ul { gap: 18px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; }
  .coverage-grid { grid-template-columns: 1fr; }
  .info-snapshot { grid-template-columns: 1fr; }
  .default-thumb-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .header-inner { flex-wrap: wrap; min-height: auto; padding-top: 12px; padding-bottom: 12px; }
  .search-form { order: 3; width: 100%; margin-left: 0; margin-right: 0; flex-basis: 100%; min-width: 0; }
  .header-actions { gap: 8px; }

  .main-nav {
    display: none;
    order: 2;
    width: 100%;
    background: #fff;
    flex-basis: 100%;
    border-top: 1px solid var(--line);
    margin-top: 6px;
    padding: 10px 0;
  }

  .main-nav.open { display: block; }

  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav .nav-link { padding: 12px 4px; border-bottom: 1px solid var(--line); }

  .main-nav .nav-link.active {
    background: var(--primary-light);
    border-left: 3px solid var(--accent);
    border-bottom: none;
    border-radius: 4px 0 0 4px;
  }

  .nav-toggle { display: flex; }
  .header-actions .btn { margin-left: 0; }
  .header-actions .search-form { min-width: 100%; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .coverage-card .img-wrap { height: 180px; }
  .category-hero { padding: 48px 0; }
  .cat-hero-footer .mini-stat:last-child { margin-left: 0; }
}

@media (max-width: 520px) {
  .section { --space-pad: 42px; }
  .container { padding-left: 14px; padding-right: 14px; }

  .header-actions .search-form { order: 3; flex-basis: 100%; margin: 4px 0 0 0; }
  .header-actions .btn-accent { padding: 7px 13px; font-size: 13px; }
  .site-logo { gap: 8px; }

  .logo-mark { width: 38px; height: 38px; }
  .logo-text strong { font-size: 17px; }
  .logo-text small { font-size: 11px; letter-spacing: 0.1em; }

  .main-nav { order: 2; }

  .category-hero h1 { font-size: 30px; }
  .category-hero p { font-size: 15px; }
  .category-hero-btns { flex-direction: column; align-items: flex-start; }
  .coverage-card-body { padding: 20px; }
  .info-snapshot { grid-template-columns: 1fr; }
  .hot-card .card-content { padding: 22px; }
  .default-thumb-list { grid-template-columns: 1fr; }
  .flow-list { grid-template-columns: 1fr; }
  .faq-wrap { padding: 16px 16px; }
  .faq-a-inner { padding-left: 0; }
  .section-head { margin-bottom: 28px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .module-desc { max-width: 100%; }
  .cat-hero-footer { flex-direction: column; gap: 12px; }
  .footer-inner { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}

@media(max-width:860px){
      .cat-overview-stats{grid-template-columns: 1fr 1fr !important; gap:18px !important;}
    }
    @media(max-width:520px){ .cat-overview-stats{grid-template-columns:1fr !important;}}

@media(max-width:1024px){
        .cover-card-grid{grid-template-columns:1fr 1fr !important;}
      }
      @media(max-width:520px){
        .cover-card-grid{grid-template-columns:1fr !important;}
      }

@media(max-width:1024px){
        .topic-2col{grid-template-columns:1fr !important;}
      }

/* roulang page: category3 */
:root{
  --brand:#0B5C43;
  --brand-dark:#073728;
  --brand-deep:#0A4A36;
  --accent:#F7B32B;
  --accent-ink:#063D2D;
  --bg:#F6F7F4;
  --card:#ffffff;
  --text:#17241E;
  --muted:#5D6E66;
  --line:rgba(11,92,67,.14);
  --radius-btn:6px;
  --radius-card:10px;
  --radius-lg:14px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(7,55,40,.05);
  --shadow-md:0 14px 34px rgba(7,55,40,.11);
  --container:1120px;
  --section:96px;
  --font-stack:PingFang SC,Microsoft YaHei,Noto Sans CJK SC,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-stack);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
button{font-family:inherit;cursor:pointer}
ul{list-style:none;margin:0;padding:0}
input,select,textarea{font:inherit}

h1,h2,h3,h4{
  margin:0;
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:20px}
p{margin:0}

.container{
  width:min(var(--container),100%);
  margin:0 auto;
  padding:0 28px;
}
.section{padding:var(--section) 0}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand);
  background:rgba(11,92,67,.08);
  padding:4px 12px;
  border-radius:var(--radius-pill);
  margin-bottom:14px;
}

/* Button system */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  padding:11px 24px;
  font-size:15px;
  font-weight:700;
  line-height:1.4;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-accent{
  background:var(--accent);
  color:var(--accent-ink);
  border-color:var(--accent);
}
.btn-accent:hover{
  background:#E5A020;
  border-color:#E5A020;
  color:#032B20;
  box-shadow:0 8px 20px rgba(247,179,43,.2);
}
.btn-dark{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
}
.btn-dark:hover{
  background:var(--brand-dark);
  border-color:var(--brand-dark);
}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:rgba(255,255,255,.6);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:#fff;
}
.btn-ghost-light{
  background:transparent;
  color:rgba(255,255,255,.9);
  border-color:rgba(255,255,255,.35);
}
.btn-ghost-light:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.8);
}
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:3px solid rgba(247,179,43,.5);
  outline-offset:2px;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 10px rgba(7,55,40,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
}
.site-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:38px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-dark);
  color:var(--accent);
  border-radius:9px;
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.18;
}
.logo-text strong{
  font-size:21px;
  color:var(--brand-dark);
  letter-spacing:.02em;
}
.logo-text small{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.05em;
}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-link{
  display:block;
  padding:8px 16px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  border-radius:var(--radius-btn);
  border-bottom:2px solid transparent;
  transition:all .2s ease;
}
.nav-link:hover{
  color:var(--brand);
  background:rgba(11,92,67,.05);
}
.nav-link.active{
  color:var(--brand);
  background:rgba(11,92,67,.08);
  border-bottom-color:var(--brand);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.search-form{
  display:flex;
  align-items:center;
  background:#F1F4F1;
  border:1px solid rgba(11,92,67,.1);
  border-radius:var(--radius-pill);
  padding:6px 8px 6px 14px;
  transition:border-color .2s ease, background .2s ease;
}
.search-form:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(11,92,67,.08);
}
.search-form input{
  border:0;
  outline:0;
  background:transparent;
  color:var(--text);
  width:150px;
  font-size:14px;
}
.search-form input::placeholder{
  color:#8C9992;
}
.search-form button{
  border:0;
  background:transparent;
  color:var(--brand);
  width:30px;
  height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  transition:background .2s;
}
.search-form button:hover{
  background:rgba(11,92,67,.12);
}
.btn-login{
  padding:9px 20px;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:8px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--brand-dark);
  border-radius:2px;
  transition:all .3s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero Banner */
.help-hero{
  background:
    linear-gradient(105deg,rgba(7,55,40,.95) 12%,rgba(7,55,40,.72) 60%,rgba(10,74,54,.58)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  padding:100px 0 84px;
  border-bottom:4px solid var(--accent);
}
.crumb{
  font-size:13px;
  display:flex;
  gap:8px;
  align-items:center;
  color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:#fff}
.crumb span{color:rgba(255,255,255,.55)}
.help-hero h1{
  color:#fff;
  font-size:44px;
  margin-bottom:20px;
}
.help-hero .lead{
  font-size:17px;
  color:rgba(255,255,255,.92);
  max-width:600px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* Guide section */
.guide-section{
  padding:var(--section) 0;
  background:var(--bg);
}
.guide-grid{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  align-items:center;
  gap:58px;
}
.guide-visual{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.guide-visual img{
  width:100%;
  height:100%;
  min-height:260px;
  object-fit:cover;
}
.guide-caption{
  padding:18px 22px;
  background:#fff;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--muted);
  display:flex;
  gap:10px;
  align-items:center;
}
.guide-caption i{
  display:inline-flex;
  flex-shrink:0;
  width:30px;
  height:30px;
  border-radius:50%;
  background:rgba(11,92,67,.1);
  color:var(--brand);
  align-items:center;
  justify-content:center;
  font-style:normal;
  font-weight:700;
}
.guide-info h2{
  color:var(--text);
  margin-bottom:16px;
}
.guide-info > p{
  color:var(--muted);
  margin-bottom:24px;
  max-width:470px;
}
.guide-blocks{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.guide-block{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px 16px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease;
}
.guide-block:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.guide-block i{
  display:inline-flex;
  width:34px;
  height:34px;
  align-items:center;
  justify-content:center;
  background:var(--brand);
  color:#fff;
  border-radius:8px;
  font-style:normal;
  font-weight:700;
  font-size:15px;
  margin-bottom:12px;
}
.guide-block h3{
  font-size:18px;
  margin-bottom:8px;
}
.guide-block p{
  font-size:14px;
  color:var(--muted);
  line-height:1.6;
}
.guide-block a{
  display:inline-block;
  margin-top:12px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  border-bottom:1px solid transparent;
}
.guide-block a:hover{
  border-bottom-color:var(--brand);
}

/* FAQ */
.faq-zone{
  background:#EAF1EC;
  padding:var(--section) 0;
}
.faq-head{
  text-align:center;
  max-width:620px;
  margin:0 auto 40px;
}
.faq-head h2{
  font-size:30px;
  color:var(--brand-dark);
}
.faq-head p{
  color:var(--muted);
  margin-top:8px;
}
.faq-list{
  max-width:900px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:transparent;
  border:0;
  padding:20px 22px;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  transition:background .2s ease;
}
.faq-q:hover{
  background:rgba(11,92,67,.05);
}
.faq-q::after{
  content:"+";
  flex-shrink:0;
  width:30px;
  height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  background:rgba(11,92,67,.08);
  color:var(--brand);
  font-size:21px;
  font-weight:700;
  transition:transform .25s ease,background .25s ease;
}
.faq-item.open .faq-q::after{
  content:"−";
  background:var(--brand);
  color:#fff;
}
.faq-a{
  display:none;
  padding:0 22px 20px;
  color:var(--muted);
  font-size:15px;
  border-top:1px solid rgba(11,92,67,.08);
  padding-top:16px;
}
.faq-a a{
  font-weight:600;
  color:var(--brand);
}
.faq-a a:hover{
  color:var(--brand-dark);
  text-decoration:underline;
}
.faq-item.open .faq-a{
  display:block;
}

/* Feedback section */
.feedback-section{
  padding:var(--section) 0;
  background:var(--bg);
}
.feedback-grid{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:52px;
  align-items:start;
}
.feedback-intro h2{
  margin-bottom:16px;
  color:var(--brand-dark);
}
.feedback-intro > p{
  color:var(--muted);
  margin-bottom:28px;
  max-width:480px;
}
.feedback-contact{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
}
.contact-row{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed rgba(11,92,67,.12);
}
.contact-row:last-child{
  border-bottom:0;
}
.contact-ic{
  flex-shrink:0;
  width:38px;
  height:38px;
  background:rgba(11,92,67,.08);
  color:var(--brand);
  border-radius:9px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-style:normal;
}
.contact-row h4{
  font-size:15px;
  margin-bottom:4px;
}
.contact-row p{
  font-size:14px;
  color:var(--muted);
}
.feedback-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:34px;
}
.feedback-card h3{
  font-size:22px;
  color:var(--brand-dark);
  margin-bottom:8px;
}
.feedback-card .sub{
  color:var(--muted);
  font-size:14px;
  margin-bottom:26px;
}
.form-row{
  margin-bottom:18px;
}
.form-row label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:7px;
}
.form-row input,
.form-row select,
.form-row textarea{
  width:100%;
  border:1px solid rgba(11,92,67,.18);
  background:#FBFCFA;
  border-radius:var(--radius-btn);
  padding:11px 14px;
  color:var(--text);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 4px rgba(11,92,67,.08);
}
.form-row textarea{
  min-height:118px;
  resize:vertical;
}
.form-policy{
  font-size:13px;
  color:var(--muted);
  margin:14px 0 0;
}
.btn-block{
  width:100%;
  margin-top:20px;
}
.form-success{
  display:none;
  background:#EDF6F1;
  border:1px solid rgba(11,92,67,.15);
  border-radius:var(--radius-btn);
  color:var(--brand-dark);
  padding:12px 16px;
  font-size:14px;
  font-weight:600;
  margin-top:18px;
}
.form-success.show{
  display:flex;
  gap:8px;
}

/* CTA band */
.cta-band{
  background:
    linear-gradient(120deg,rgba(7,55,40,.96),rgba(11,92,67,.92)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding:74px 0;
  color:#fff;
  border-top:1px solid rgba(247,179,43,.25);
}
.cta-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.cta-inner h2{
  color:#fff;
  font-size:32px;
  margin-bottom:12px;
}
.cta-inner p{
  color:rgba(255,255,255,.85);
  margin-bottom:28px;
  max-width:560px;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  justify-content:center;
}

/* Footer */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.78);
  margin-top:0;
}
.footer-inner{
  display:grid;
  grid-template-columns:1.5fr .8fr .8fr 1fr;
  gap:42px;
  padding:66px 0 40px;
}
.ft-logo{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.lb-icon{
  width:42px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.12);
  color:var(--accent);
  border-radius:10px;
}
.ft-logo strong{
  display:block;
  font-size:22px;
  color:#fff;
  line-height:1.2;
}
.ft-logo small{
  color:rgba(255,255,255,.6);
  font-size:12px;
}
.footer-brand p{
  max-width:340px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.6);
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:18px;
}
.footer-col ul li{
  margin-bottom:11px;
}
.footer-col ul a{
  color:rgba(255,255,255,.65);
  font-size:14px;
  transition:color .2s ease;
}
.footer-col ul a:hover{
  color:var(--accent);
}
.footer-contact p{
  font-size:14px;
  color:rgba(255,255,255,.62);
  margin-bottom:10px;
  word-break:break-all;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
}
.footer-bottom-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom-inner a{
  color:rgba(255,255,255,.7);
  border-bottom:1px solid transparent;
}
.footer-bottom-inner a:hover{
  color:#fff;
  border-bottom-color:rgba(255,255,255,.5);
}

/* Responsive */
@media (max-width:992px){
  h1{font-size:36px}
  h2{font-size:26px}
  .guide-grid{
    gap:36px;
  }
  .feedback-grid{
    gap:34px;
  }
  .footer-inner{
    grid-template-columns:1fr 1fr;
    gap:34px;
  }
  .search-form input{width:110px}
}

@media (max-width:768px){
  :root{--section:72px}
  .container{padding-left:20px;padding-right:20px}
  .header-inner{min-height:62px;gap:12px}
  .main-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#fff;
    display:none;
    flex-direction:column;
    padding:12px 20px 20px;
    box-shadow:0 16px 24px rgba(7,55,40,.09);
    border-bottom:1px solid var(--line);
  }
  .main-nav.open{display:block}
  .main-nav ul{
    flex-direction:column;
    align-items:flex-start;
    gap:4px;
  }
  .nav-link{width:100%;padding:11px 14px}
  .search-form{display:none}
  .nav-toggle{display:flex}
  .help-hero{padding:66px 0 56px}
  .help-hero h1{font-size:34px}
  .guide-grid{
    grid-template-columns:1fr;
  }
  .feedback-grid{
    grid-template-columns:1fr;
  }
  .footer-inner{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-bottom-inner{
    flex-direction:column;
    text-align:center;
  }
  .cta-inner h2{font-size:26px}
}

@media (max-width:520px){
  h1{font-size:30px}
  h2{font-size:22px}
  :root{--section:56px}
  .hero-actions .btn{width:100%}
  .guide-blocks{
    grid-template-columns:1fr;
  }
  .btn-login{
    padding:9px 14px;
    font-size:14px;
  }
  .logo-text strong{font-size:18px}
  .logo-text small{font-size:11px}
  .logo-mark{width:34px;height:34px}
  .feedback-card{
    padding:24px 18px;
  }
  .faq-q{
    font-size:15px;
    padding:16px;
  }
  .cta-actions .btn{
    width:100%;
  }
}