/* roulang page: index */
:root{
  --primary:#0B4F3A;
  --primary-deep:#08352A;
  --primary-mid:#0F7A5F;
  --accent:#31B99A;
  --gold:#F2B84B;
  --gold-light:#FBE0A4;
  --bg:#F7F7F4;
  --card-bg:#FFFFFF;
  --dark:#0A2C23;
  --text:#18221E;
  --muted:#64726C;
  --border:#E3E8E3;
  --radius-lg:24px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(12,52,42,0.08);
  --shadow-hover:0 16px 32px rgba(12,52,42,0.14);
  --transition:all .22s ease-out;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-mid)}
ul,ol{padding-left:1.25rem}
h1,h2,h3,h4,h5{
  font-weight:700;
  line-height:1.3;
  color:var(--text);
  margin:0 0 .6em;
}
h1{font-size:clamp(30px,4.6vw,44px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px}
button,input,textarea{font-family:inherit}
::selection{background:var(--primary);color:#fff}
:focus-visible{outline:3px solid rgba(49,185,154,.55);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section-pad{padding:80px 0}
@media(max-width:1024px){.section-pad{padding:60px 0}}
@media(max-width:640px){.section-pad{padding:48px 0}}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(11,79,58,.08);
  color:var(--primary-mid);
  font-size:14px;
  font-weight:600;
  padding:6px 16px;
  border-radius:var(--radius-pill);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.section-head{
  text-align:center;
  max-width:720px;
  margin:0 auto 48px;
}
.section-head p{color:var(--muted);margin-top:10px}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(10,44,35,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  flex-wrap:nowrap;
}
.brand-logo{
  font-size:20px;
  font-weight:800;
  color:var(--primary);
  white-space:nowrap;
  flex-shrink:0;
}
.brand-logo i{color:var(--accent);margin-right:6px}
.header-nav{
  flex:1;
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:6px 2px;
  min-width:0;
  -webkit-overflow-scrolling:touch;
}
.header-nav::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 15px;
  border-radius:var(--radius-pill);
  background:transparent;
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  color:#38443E;
  white-space:nowrap;
  transition:var(--transition);
}
.nav-chip:hover{
  background:#EDF1EC;
  color:var(--primary);
  border-color:transparent;
}
.nav-chip.active,
.nav-chip:focus-visible{
  background:linear-gradient(145deg,var(--primary),var(--primary-mid));
  color:#fff;
  box-shadow:0 6px 14px rgba(11,79,58,.28);
}
.header-cta{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  background:linear-gradient(135deg,var(--gold),#E8A52D);
  color:#3A2C00;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-md);
  box-shadow:0 6px 16px rgba(232,165,45,.3);
  transition:var(--transition);
  white-space:nowrap;
}
.header-cta:hover{
  transform:translateY(-2px);
  color:#241C00;
  box-shadow:0 10px 20px rgba(232,165,45,.4);
}
@media(max-width:900px){
  .header-cta span.nav-text{display:none}
  .header-cta{padding:0 15px}
  .brand-logo{font-size:17px}
  .nav-chip{padding:0 10px}
}
@media(max-width:560px){
  .header-inner{flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
  .header-inner .brand-logo{width:auto;margin-right:auto}
  .header-cta{margin-left:0}
  .header-nav{order:3;width:100%;flex-basis:100%;padding:4px 0 2px}
}
/* ===== Hero ===== */
.hero{
  position:relative;
  background:
    linear-gradient(150deg,rgba(8,36,29,.96),rgba(13,79,59,.9)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  background-blend-mode:normal;
  color:#fff;
  padding:76px 0 72px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:52px;
  align-items:center;
}
.hero-title{
  color:#fff;
  font-size:clamp(30px,4.8vw,46px);
  line-height:1.22;
  margin-bottom:22px;
  font-weight:800;
}
.hero-title .title-mark{color:var(--gold)}
.hero-desc{
  color:rgba(255,255,255,.85);
  font-size:17px;
  line-height:1.75;
  margin-bottom:30px;
  max-width:520px;
}
.hero-btns{display:flex;gap:15px;flex-wrap:wrap;margin-bottom:36px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:50px;
  padding:0 26px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-md);
  border:0;
  cursor:pointer;
  transition:var(--transition);
  text-decoration:none;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),#E8A52D);
  color:#2D2300;
  box-shadow:0 8px 18px rgba(10,44,35,.22);
}
.btn-gold:hover{background:linear-gradient(135deg,#F7C45F,#EDB040);color:#211A00;transform:translateY(-2px);box-shadow:0 12px 22px rgba(10,44,35,.3)}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}
.hero-trust{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.76)}
.hero-trust i{color:var(--gold)}
.hero-media{position:relative}
.hero-image-shell{
  border-radius:28px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 28px 60px rgba(0,0,0,.26);
  position:relative;
  aspect-ratio:4/3;
}
.hero-image-shell img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;
  left:22px;
  bottom:22px;
  background:rgba(255,255,255,.94);
  color:var(--text);
  padding:12px 20px;
  border-radius:18px;
  box-shadow:0 10px 26px rgba(10,44,35,.24);
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  font-weight:700;
}
.hero-badge i{color:var(--primary)}
.hero-badge small{display:block;font-size:11px;color:var(--muted);font-weight:500}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero{padding:52px 0}
  .hero-desc{font-size:16px}
}
/* ===== Feature main grid ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.feature-main{
  grid-column:span 8;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.feature-main:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.feature-img{width:44%;flex-shrink:0;overflow:hidden}
.feature-img img{width:100%;height:100%;object-fit:cover}
.feature-content{flex:1;padding:34px 30px;display:flex;flex-direction:column;justify-content:center}
.feature-content .feat-tag{background:rgba(49,185,154,.12);color:var(--primary-mid);padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;margin-right:auto;margin-bottom:18px}
.feature-content h3{font-size:22px;margin-bottom:10px}
.feature-content p{color:var(--muted);line-height:1.65;margin-bottom:18px}
.text-link{font-weight:600;display:inline-flex;align-items:center;gap:6px}
.feature-side{
  grid-column:span 4;
  background:linear-gradient(150deg,var(--primary),var(--primary-mid));
  color:#fff;
  border-radius:var(--radius-lg);
  padding:34px 28px;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.feature-side:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.feature-side .feat-tag{background:rgba(255,255,255,.18);color:#fff;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;margin-right:auto;margin-bottom:18px}
.feature-side h3{color:#fff;font-size:22px}
.feature-side p{color:rgba(255,255,255,.78);line-height:1.65;font-size:15px}
.feature-side .text-link{color:var(--gold);margin-top:auto}
.feature-mini{
  display:block;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:20px;
  padding:26px 24px;
  box-shadow:0 4px 16px rgba(12,52,42,.05);
  text-decoration:none;
  transition:var(--transition);
  grid-column:span 4;
}
.feature-mini:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);text-decoration:none;color:inherit}
.feature-mini .mini-icon{
  width:48px;height:48px;border-radius:15px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;margin-bottom:18px;
  background:linear-gradient(145deg,var(--primary-mid),var(--accent));
}
.feature-mini h4{font-size:18px;margin-bottom:8px}
.feature-mini p{color:var(--muted);font-size:14px;line-height:1.65;margin-bottom:12px}
.feature-mini .text-link{font-size:14px}
.feature-mini:nth-child(4) .mini-icon{background:linear-gradient(145deg,#E8A52D,var(--gold));color:#332700}
.feature-mini:nth-child(5) .mini-icon{background:linear-gradient(145deg,var(--primary),var(--primary-mid));}
@media(max-width:900px){
  .feature-main,.feature-side,.feature-mini{grid-column:span 12}
  .feature-main{flex-direction:column}
  .feature-img{width:100%;height:220px}
}
/* ===== Scene tabs ===== */
.scene-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.scene-tabs{
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:42px;
}
.scene-tab{
  height:44px;
  padding:0 24px;
  border-radius:999px;
  background:#EDF0EB;
  color:#45514C;
  font-size:15px;
  font-weight:600;
  border:0;
  cursor:pointer;
  transition:var(--transition);
}
.scene-tab:hover{background:#DDE5DE;color:var(--primary)}
.scene-tab.active{
  background:linear-gradient(145deg,var(--primary),var(--primary-mid));
  color:#fff;
  box-shadow:0 8px 18px rgba(11,79,58,.25);
}
.scene-panel{display:none}
.scene-panel.active{display:block;animation:fadeUp .35s ease-out}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.scene-box{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:42px;
  align-items:center;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-card);
}
.scene-copy h3{font-size:24px;margin-bottom:14px}
.scene-copy p{color:var(--muted);margin-bottom:22px}
.scene-points{list-style:none;padding:0;margin:0 0 22px}
.scene-points li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;font-size:15px;color:#38443E}
.scene-points li i{color:var(--accent);margin-top:4px}
.scene-media{border-radius:20px;overflow:hidden;box-shadow:0 14px 28px rgba(10,44,35,.16);aspect-ratio:16/10}
.scene-media img{width:100%;height:100%;object-fit:cover}
@media(max-width:800px){
  .scene-box{grid-template-columns:1fr;padding:22px}
  .scene-tabs{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .scene-tabs::-webkit-scrollbar{display:none}
}
/* ===== Timeline milestones ===== */
.timeline-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:52px;
  align-items:start;
}
.timeline-intro h2{margin-bottom:14px}
.timeline-intro p{color:var(--muted);font-size:15px;line-height:1.8}
.timeline-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.timeline-item{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-left:4px solid var(--primary);
  border-radius:18px;
  padding:22px;
  box-shadow:0 6px 16px rgba(12,52,42,.06);
  transition:var(--transition);
}
.timeline-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.timeline-item .time-dot{display:inline-block;background:var(--gold);color:#3a2c00;font-size:13px;font-weight:700;padding:2px 12px;border-radius:999px;margin-bottom:14px}
.timeline-item h4{font-size:17px;margin-bottom:8px}
.timeline-item p{font-size:14px;color:var(--muted)}
@media(max-width:900px){.timeline-grid{grid-template-columns:1fr}.timeline-list{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.timeline-list{grid-template-columns:1fr}}
/* ===== Plan cards ===== */
.plan-section{background:var(--card-bg)}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.plan-card{
  position:relative;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.plan-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px)}
.plan-card.hot{
  background:linear-gradient(160deg,var(--primary),var(--primary-mid));
  color:#fff;
  border-color:transparent;
  transform:translateY(-8px);
}
.plan-card.hot:hover{transform:translateY(-11px);box-shadow:0 22px 40px rgba(11,79,58,.24)}
.plan-hot-tag{
  position:absolute;
  top:-13px;
  right:18px;
  background:linear-gradient(135deg,var(--gold),#E8A52D);
  color:#3a2c00;
  font-size:13px;
  font-weight:700;
  padding:4px 16px;
  border-radius:999px;
}
.plan-card h3{font-size:21px;margin-bottom:8px}
.plan-card.hot h3{color:#fff}
.plan-card .plan-desc{font-size:14px;color:var(--muted);margin-bottom:20px}
.plan-card.hot .plan-desc{color:rgba(255,255,255,.76)}
.plan-list{list-style:none;padding:0;margin:0 0 26px}
.plan-list li{display:flex;gap:9px;font-size:14px;color:#38443E;margin-bottom:10px;align-items:flex-start}
.plan-card.hot .plan-list li{color:rgba(255,255,255,.92)}
.plan-list li i{color:var(--accent);margin-top:3px}
.plan-card.hot .plan-list li i{color:var(--gold)}
.plan-card .btn{margin-top:auto}
@media(max-width:800px){
  .plan-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .plan-card.hot{transform:none}
  .plan-card.hot:hover{transform:translateY(-3px)}
}
/* ===== News/Info list ===== */
.news-section{background:#fff}
.news-feature{
  background:linear-gradient(155deg,var(--primary),var(--primary-mid));
  color:#fff;
  border-radius:var(--radius-lg);
  padding:34px;
  display:block;
  text-decoration:none;
  position:relative;
  overflow:hidden;
  margin-bottom:24px;
  transition:var(--transition);
}
.news-feature:hover{color:#fff;transform:translateY(-3px);box-shadow:0 18px 36px rgba(11,79,58,.3)}
.news-feature:before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.webp') right center/cover no-repeat;
  opacity:.17;
  mix-blend-mode:overlay;
}
.news-feature .news-inner{position:relative;z-index:1;max-width:78%}
.news-label{
  display:inline-flex;align-items:center;gap:5px;background:rgba(255,255,255,.16);
  color:#fff;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:999px;margin-bottom:14px;
}
.news-feature h3{color:#fff;font-size:26px;margin-bottom:10px}
.news-feature p{color:rgba(255,255,255,.78);font-size:15px}
.news-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:20px}
.news-card{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:20px;
  padding:20px;
  display:flex;
  flex-direction:column;
  transition:var(--transition);
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:13px;color:var(--muted)}
.news-meta .m-badge{background:rgba(49,185,154,.13);color:var(--primary-mid);padding:2px 10px;border-radius:999px;font-weight:600}
.news-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{
  margin-top:auto;display:inline-flex;align-items:center;justify-content:space-between;
  color:var(--primary);font-size:14px;font-weight:600;
}
.empty-state{
  text-align:center;
  background:var(--bg);
  border:1px dashed var(--border);
  border-radius:var(--radius-lg);
  padding:44px 24px;
  color:var(--muted);
}
.empty-state i{display:block;font-size:32px;margin-bottom:10px;color:var(--primary-mid)}
@media(max-width:640px){
  .news-feature .news-inner{max-width:100%}
  .news-list{grid-template-columns:1fr}
}
/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;
  text-align:left;
  background:none;
  border:0;
  padding:20px 46px 20px 0;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  cursor:pointer;
  position:relative;
  transition:var(--transition);
}
.faq-q:hover{color:var(--primary)}
.faq-q::after{
  content:"";
  position:absolute;
  right:4px;top:50%;
  width:14px;height:14px;
  border:2px solid var(--primary);
  border-radius:50%;
  transform:translateY(-50%);
  transition:var(--transition);
}
.faq-q::before{
  content:"";
  position:absolute;
  right:8.5px;top:50%;
  width:6px;height:2px;
  background:var(--primary);
  transform:translateY(-50%);
}
.faq-q.open{color:var(--primary)}
.faq-q.open::before{transform:translateY(-50%) rotate(90deg)}
.faq-a{display:none;padding:0 0 18px;color:var(--muted);font-size:15px;line-height:1.8}
.faq-a.show{display:block;animation:fadeUp .25s ease-out}
/* ===== CTA band ===== */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:linear-gradient(155deg,var(--dark),var(--primary));
  text-align:center;
  padding:68px 40px;
  color:#fff;
}
.cta-band:before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.14;
  mix-blend-mode:overlay;
}
.cta-inner{position:relative;z-index:1;max-width:620px;margin:0 auto}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.82);font-size:16px;margin-bottom:30px}
/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.76)}
.footer-top{
  padding:60px 0 40px;
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:42px;
}
.footer-brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:12px;display:block}
.footer-brand i{color:var(--gold);margin-right:6px}
.footer-about{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66)}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:8px}
.footer-links a{color:rgba(255,255,255,.68);font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.footer-links a:hover{color:var(--gold);padding-left:3px}
.footer-note{background:linear-gradient(150deg,var(--primary),var(--primary-mid));border-radius:16px;padding:18px 18px;color:rgba(255,255,255,.82);font-size:13px;line-height:1.7}
.footer-note i{color:var(--gold);margin-right:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  color:rgba(255,255,255,.48);
  font-size:13px;
}
@media(max-width:960px){.footer-top{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:600px){.footer-top{grid-template-columns:1fr}}
/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* roulang page: article */
:root {
  --brand-dark: #0a4032;
  --brand: #0b5a42;
  --brand-mid: #0f7a5f;
  --brand-light: #31b99a;
  --accent: #f2b84b;
  --accent-deep: #d99a2b;
  --bg: #f6f5f0;
  --card: #ffffff;
  --text: #18221e;
  --muted: #64726c;
  --line: #dfe5df;
  --shadow: 0 8px 24px rgba(12, 52, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(12, 52, 42, 0.14);
  --radius: 22px;
  --radius-sm: 14px;
  --ease: all 0.25s ease-out;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; transition: var(--ease); }
a:hover { color: var(--brand-mid); }
img { max-width: 100%; height: auto; display: block; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
::selection { background: rgba(49, 185, 154, 0.22); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(223, 229, 223, 0.9);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 78px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 20px;
  font-weight: 750;
  color: var(--brand-dark);
  letter-spacing: -0.2px;
  white-space: nowrap;
  flex: 0 0 auto;
}
.brand-logo i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--brand);
  color: #fff;
  border-radius: 13px;
  font-size: 16px;
}
.brand-logo:hover { color: var(--brand); }
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1 1 auto;
  justify-content: center;
}
.header-nav::-webkit-scrollbar { display: none; }
.nav-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 15px;
  border-radius: 999px;
  color: #3d4a45;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: var(--ease);
}
.nav-chip i { font-size: 13px; }
.nav-chip:hover {
  background: rgba(11, 90, 66, 0.07);
  color: var(--brand);
  border-color: rgba(11, 90, 66, 0.12);
}
.nav-chip.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  box-shadow: 0 6px 14px rgba(11, 90, 66, 0.18);
}
.nav-chip.active:hover {
  background: var(--brand-mid);
  color: #fff;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: linear-gradient(135deg, #f6c45f, #eda83d);
  color: #253028;
  font-size: 14px;
  font-weight: 750;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(242, 184, 75, 0.3);
  flex: 0 0 auto;
  border: none;
  cursor: pointer;
}
.header-cta:hover {
  color: #17201b;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(242, 184, 75, 0.38);
}
.header-cta:active { transform: translateY(0); }

/* ===== Article Masthead ===== */
.article-masthead {
  position: relative;
  padding: 82px 0 128px;
  color: #ffffff;
  background: linear-gradient(140deg, rgba(7, 46, 35, 0.96), rgba(13, 74, 56, 0.88)), url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
}
.article-masthead::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 70px;
  background: linear-gradient(180deg, transparent, var(--bg));
  pointer-events: none;
}
.crumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 26px;
}
.crumb-list i { font-size: 11px; color: rgba(255, 255, 255, 0.45); margin: 0 3px; }
.crumb-list a { color: rgba(255, 255, 255, 0.8); }
.crumb-list a:hover { color: var(--accent); }
.crumb-list .current {
  color: rgba(255, 255, 255, 0.95);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 420px;
}
.article-title {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 750;
  line-height: 1.24;
  letter-spacing: -0.4px;
  max-width: 920px;
  margin: 0 0 20px;
  color: #ffffff;
}
.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.meta-item i { color: var(--accent); }
.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(242, 184, 75, 0.13);
  border: 1px solid rgba(242, 184, 75, 0.25);
  color: #f7d488;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 13px;
}

/* ===== Main content card ===== */
.article-main {
  position: relative;
  z-index: 2;
  padding: 0 0 40px;
}
.article-card {
  max-width: 900px;
  margin: -60px auto 0;
  background: var(--card);
  border-radius: 26px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(223, 229, 223, 0.8);
  padding: clamp(28px, 6vw, 70px);
}
.post-content {
  font-size: 16px;
  line-height: 1.9;
  color: #233029;
  overflow-wrap: break-word;
}
.post-content > * + * { margin-top: 1.35em; }
.post-content p { margin-bottom: 1.15em; }
.post-content h2 {
  font-size: 27px;
  font-weight: 720;
  margin: 1.7em 0 0.7em;
  color: var(--brand-dark);
  line-height: 1.35;
  padding-top: 0.25em;
}
.post-content h3 {
  font-size: 22px;
  font-weight: 680;
  margin: 1.5em 0 0.6em;
  color: var(--brand);
  line-height: 1.4;
}
.post-content a {
  color: var(--brand-mid);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(49, 185, 154, 0.45);
}
.post-content a:hover { color: var(--brand-dark); text-decoration-color: var(--brand-dark); }
.post-content ul,
.post-content ol {
  padding-left: 1.4em;
  margin-bottom: 1.2em;
}
.post-content li { margin-bottom: 0.45em; }
.post-content blockquote {
  margin: 1.8em 0;
  padding: 18px 22px 18px 26px;
  border-left: 4px solid var(--brand-light);
  background: rgba(49, 185, 154, 0.07);
  border-radius: 0 16px 16px 0;
  color: #39463f;
  font-size: 16px;
}
.post-content img {
  border-radius: 18px;
  margin: 1.4em 0;
  box-shadow: 0 10px 26px rgba(12, 52, 42, 0.1);
}
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 15px;
}
.post-content th,
.post-content td {
  padding: 12px 14px;
  border: 1px solid var(--line);
  text-align: left;
}
.post-content thead th {
  background: var(--brand);
  color: #fff;
  font-weight: 600;
}
.post-content tr:nth-child(even) td { background: #fafbf9; }
.post-content code {
  background: #eef2ee;
  border-radius: 8px;
  padding: 3px 9px;
  font-size: 13px;
  color: var(--brand-dark);
}
.post-content hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2.2em 0;
}

/* ===== Empty state ===== */
.not-found-card {
  text-align: center;
  padding: 44px 18px 32px;
}
.not-found-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border-radius: 24px;
  background: rgba(11, 90, 66, 0.08);
  color: var(--brand);
  font-size: 26px;
  margin-bottom: 22px;
}
.not-found-card h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-dark);
  margin-bottom: 12px;
}
.not-found-card p {
  color: var(--muted);
  max-width: 440px;
  margin: 0 auto 26px;
}
.btn-back-home {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 50px;
  padding: 0 26px;
  background: var(--brand);
  color: #fff;
  font-weight: 650;
  border-radius: 999px;
  font-size: 15px;
  box-shadow: 0 10px 20px rgba(11, 90, 66, 0.18);
  transition: var(--ease);
}
.btn-back-home:hover {
  color: #fff;
  background: var(--brand-mid);
  transform: translateY(-2px);
}

/* ===== Post tags & toolbar ===== */
.post-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 54px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.post-tag-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.post-tag-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f3f4f0;
  border-radius: 999px;
  color: #31443c;
  font-size: 13px;
  padding: 7px 15px;
  font-weight: 550;
  border: 1px solid transparent;
}
.post-tag-list a:hover {
  border-color: rgba(11, 90, 66, 0.25);
  background: rgba(11, 90, 66, 0.06);
  color: var(--brand);
}
.back-list-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
  background: #fff;
  transition: var(--ease);
}
.back-list-btn:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* ===== Related reading ===== */
.related-section {
  padding: 80px 0 80px;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}
.section-title {
  font-size: clamp(25px, 3.4vw, 33px);
  font-weight: 720;
  color: var(--brand-dark);
  letter-spacing: -0.4px;
}
.section-title span { color: var(--brand-light); }
.section-sub {
  color: var(--muted);
  font-size: 14px;
  max-width: 390px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.related-card {
  background: #fff;
  border: 1px solid rgba(223, 229, 223, 0.75);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: var(--ease);
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.related-thumb {
  height: 0;
  padding-bottom: 57%;
  position: relative;
  overflow: hidden;
}
.related-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.related-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.related-overline {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--brand-mid);
  text-transform: uppercase;
}
.related-body h3 {
  font-size: 18px;
  font-weight: 680;
  line-height: 1.5;
  color: var(--text);
}
.related-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  color: var(--brand);
  font-size: 14px;
  font-weight: 650;
}
.related-link:hover { color: var(--brand-dark); gap: 10px; }

/* ===== Bottom CTA band ===== */
.cta-band {
  padding: 16px 0 100px;
}
.cta-panel {
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(6, 44, 33, 0.96), rgba(15, 78, 59, 0.9)), url("/assets/images/backpic/back-2.webp");
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
  padding: 58px 34px;
  box-shadow: 0 18px 44px rgba(7, 46, 35, 0.22);
}
.cta-panel h2 {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 720;
  margin-bottom: 12px;
  color: #fff;
}
.cta-panel p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 520px;
  margin: 0 auto 28px;
  font-size: 15px;
}
.btn-amber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 30px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f6c45f, #eda83d);
  color: #253028;
  font-size: 15px;
  font-weight: 750;
  border: none;
  box-shadow: 0 10px 22px rgba(242, 184, 75, 0.24);
  translate: 0;
  transition: var(--ease);
}
.btn-amber:hover {
  color: #17201b;
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(242, 184, 75, 0.32);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--brand-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 68px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 34px;
  margin-bottom: 40px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 19px;
  font-weight: 740;
  margin-bottom: 16px;
}
.footer-brand i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--brand-mid);
  color: #fff;
  border-radius: 12px;
  font-size: 15px;
}
.footer-about {
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.8;
}
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 14px;
}
.footer-links {
  list-style: none;
  display: grid;
  gap: 8px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}
.footer-links a:hover { color: var(--accent); }
.footer-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.05);
  padding: 14px 16px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.68);
}
.footer-note i { color: var(--accent); margin-top: 2px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-inner { flex-wrap: wrap; }
  .header-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    margin-left: 0;
    margin-top: 2px;
    flex: 0 0 100%;
  }
  .header-cta { margin-left: auto; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .article-masthead { padding: 64px 0 108px; }
  .article-card { margin-top: -46px; padding: 28px 20px; }
  .post-toolbar { flex-direction: column; align-items: flex-start; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 42px 22px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .header-inner { gap: 8px; }
  .brand-logo { font-size: 17px; }
  .brand-logo i { width: 33px; height: 33px; font-size: 14px; }
  .nav-chip { font-size: 13px; padding: 8px 12px; min-height: 36px; }
  .header-cta {
    font-size: 13px;
    height: 40px;
    padding: 0 13px;
  }
  .header-cta .nav-text { display: none; }
  .article-card { width: calc(100% - 20px); }
  .meta-item { font-size: 12px; }
  .post-content h2 { font-size: 23px; }
  .post-content h3 { font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category1 */
:root {
      --primary: #0B5C44;
      --primary-deep: #073A2C;
      --accent: #31B99A;
      --gold: #F2B84B;
      --gold-light: #F7CE72;
      --bg: #F6F5F0;
      --card: #FFFFFF;
      --ink: #18221E;
      --muted: #64726C;
      --line: #E3E8E3;
      --green-deep: #0A2C23;
      --green-deep-2: #0D4F3B;
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow: 0 8px 24px rgba(12, 52, 42, 0.08);
      --shadow-hover: 0 16px 34px rgba(12, 52, 42, 0.14);
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
    }

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

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

    body {
      font-family: var(--font);
      background: var(--bg);
      color: var(--ink);
      line-height: 1.75;
      font-size: 16px;
    }

    h1, h2, h3, h4 {
      line-height: 1.35;
      font-weight: 700;
      color: #132A21;
      margin: 0 0 10px;
    }

    p {
      margin-bottom: 18px;
    }

    ul {
      list-style: none;
      padding: 0;
      margin: 0 0 18px;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
    }

    a:hover {
      color: #123B2E;
    }

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

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

    .container {
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(247, 246, 242, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(36, 72, 59, 0.08);
    }

    .header-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 18px;
      min-height: 76px;
      padding-top: 10px;
      padding-bottom: 10px;
      position: relative;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 750;
      letter-spacing: 0.2px;
      color: var(--ink);
      line-height: 1.2;
      border-radius: 14px;
      padding: 6px 4px 6px 0;
      white-space: nowrap;
    }

    .brand-logo i {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(11, 92, 68, 0.12);
      color: var(--primary);
      font-size: 17px;
      flex: 0 0 auto;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .brand-logo:hover {
      color: var(--primary);
    }

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

    .header-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 4px;
      background: rgba(224, 226, 218, 0.7);
      border-radius: 999px;
      overflow-x: auto;
      overflow-y: hidden;
      scrollbar-width: none;
      white-space: nowrap;
    }

    .header-nav::-webkit-scrollbar {
      display: none;
    }

    .nav-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 38px;
      padding: 0 15px;
      border-radius: 999px;
      color: #2E3F38;
      background: transparent;
      font-size: 14px;
      font-weight: 600;
      line-height: 1;
      border: 1px solid transparent;
    }

    .nav-chip i {
      font-size: 13px;
      opacity: 0.85;
    }

    .nav-chip:hover {
      background: rgba(255, 255, 255, 0.8);
      color: var(--primary);
      border-color: rgba(11, 92, 68, 0.12);
    }

    .nav-chip.active {
      background: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 8px 18px rgba(11, 92, 68, 0.24);
    }

    .nav-chip.active:hover {
      background: var(--primary-deep);
      color: #FFFFFF;
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 42px;
      padding: 0 18px;
      margin-left: auto;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--gold-light), var(--gold) 60%, #E7A83C);
      color: #1A2A22;
      font-size: 14px;
      font-weight: 700;
      line-height: 1;
      box-shadow: 0 8px 16px rgba(214, 151, 45, 0.18);
    }

    .header-cta i {
      font-size: 13px;
    }

    .header-cta:hover {
      transform: translateY(-2px);
      color: #14251D;
      box-shadow: 0 12px 22px rgba(214, 151, 45, 0.28);
    }

    .header-cta:focus-visible {
      outline: 3px solid rgba(49, 185, 154, 0.35);
      outline-offset: 3px;
    }

    main {
      display: block;
    }

    .page-hero {
      background:
        linear-gradient(125deg, rgba(7, 48, 37, 0.94), rgba(13, 79, 59, 0.88)),
        url('/assets/images/backpic/back-3.png') center / cover;
      color: #fff;
      padding: 70px 0 54px;
      border-bottom: 6px solid rgba(242, 184, 75, 0.16);
    }

    .crumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.76);
      margin-bottom: 24px;
      flex-wrap: wrap;
    }

    .crumb a {
      color: rgba(255, 255, 255, 0.8);
    }

    .crumb a:hover {
      color: #fff;
    }

    .crumb i {
      font-size: 11px;
      color: rgba(255, 255, 255, 0.55);
    }

    .crumb span {
      color: #F9DFA0;
    }

    .page-hero h1 {
      font-size: clamp(34px, 4.6vw, 46px);
      font-weight: 750;
      color: #fff;
      line-height: 1.25;
      margin-bottom: 12px;
      letter-spacing: 0.6px;
    }

    .hero-sub {
      max-width: 680px;
      font-size: 17px;
      color: rgba(255, 255, 255, 0.88);
      margin-bottom: 28px;
      line-height: 1.8;
    }

    .page-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 24px;
      border-radius: 14px;
      font-size: 15px;
      font-weight: 650;
      line-height: 1.2;
      cursor: pointer;
      border: 1px solid transparent;
      box-shadow: none;
      text-decoration: none;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .btn:focus-visible {
      outline: 3px solid rgba(49, 185, 154, 0.45);
      outline-offset: 3px;
    }

    .btn-gold {
      background: linear-gradient(135deg, #F9D98B 0%, #F2B84B 50%, #E4A438 100%);
      color: #1A261F;
      box-shadow: 0 12px 24px rgba(196, 134, 30, 0.22);
    }

    .btn-gold:hover {
      transform: translateY(-3px);
      color: #0E241C;
      box-shadow: 0 16px 28px rgba(196, 134, 30, 0.32);
    }

    .btn-ghost-light {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.68);
      color: #fff;
    }

    .btn-ghost-light:hover {
      background: rgba(255, 255, 255, 0.16);
      color: #fff;
      transform: translateY(-3px);
    }

    .btn-outline {
      background: #fff;
      border-color: rgba(11, 92, 68, 0.28);
      color: var(--primary);
    }

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

    .catalog-section {
      padding: 72px 0 56px;
    }

    .catalog-layout {
      display: grid;
      grid-template-columns: 272px minmax(0, 1fr);
      gap: 42px;
      align-items: start;
    }

    .side-toc {
      position: sticky;
      top: 106px;
      align-self: start;
    }

    .toc-card {
      background: #fff;
      border: 1px solid rgba(227, 232, 227, 0.9);
      border-radius: 22px;
      box-shadow: var(--shadow);
      padding: 24px;
    }

    .toc-label {
      display: flex;
      align-items: center;
      gap: 9px;
      font-size: 13px;
      font-weight: 700;
      color: var(--muted);
      letter-spacing: 0.06em;
      margin-bottom: 14px;
    }

    .toc-label i {
      color: var(--primary);
      font-size: 14px;
    }

    .toc-list {
      display: grid;
      gap: 4px;
      margin: 0;
    }

    .toc-link {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 12px;
      color: #3D4C45;
      font-size: 14px;
      font-weight: 600;
      line-height: 1.4;
    }

    .toc-link i {
      width: 18px;
      font-size: 13px;
      color: rgba(11, 92, 68, 0.5);
      text-align: center;
    }

    .toc-link:hover {
      background: #EDF3EF;
      color: var(--primary);
    }

    .toc-note {
      margin-top: 24px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    .toc-note i {
      width: 32px;
      height: 32px;
      flex: 0 0 auto;
      background: rgba(242, 184, 75, 0.16);
      color: #B97E19;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      margin-top: 2px;
    }

    .toc-note p {
      font-size: 13px;
      color: var(--muted);
      margin: 0;
      line-height: 1.65;
    }

    .catalog-body {
      min-width: 0;
    }

    .content-card {
      background: #fff;
      border: 1px solid rgba(227, 232, 227, 0.65);
      border-radius: 26px;
      box-shadow: var(--shadow);
      padding: 44px;
      margin-bottom: 36px;
    }

    .content-card:last-child {
      margin-bottom: 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-size: 13px;
      font-weight: 750;
      color: var(--primary);
      margin-bottom: 12px;
      letter-spacing: 0.03em;
    }

    .eyebrow::before {
      content: "";
      width: 22px;
      height: 3px;
      border-radius: 4px;
      background: var(--gold);
    }

    .block-title {
      font-size: clamp(24px, 2.8vw, 31px);
      font-weight: 750;
      color: #132A21;
      margin-bottom: 20px;
      line-height: 1.4;
    }

    .overview-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
      gap: 40px;
      align-items: center;
      margin-top: 16px;
    }

    .overview-grid p:last-child {
      margin-bottom: 0;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 14px 0 0;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 15px;
      color: #33453D;
      margin-bottom: 10px;
    }

    .check-list i {
      color: var(--accent);
      font-size: 15px;
      margin-top: 6px;
      line-height: 1;
    }

    .overview-media {
      margin: 0;
    }

    .image-frame {
      position: relative;
      display: block;
      border-radius: 20px;
      overflow: hidden;
      line-height: 0;
      box-shadow: 0 18px 34px rgba(12, 52, 42, 0.14);
    }

    .image-frame img {
      width: 100%;
      aspect-ratio: 10 / 9;
      object-fit: cover;
    }

    .media-chip {
      position: absolute;
      left: 16px;
      top: 16px;
      background: rgba(242, 184, 75, 0.94);
      color: #13251D;
      font-size: 13px;
      font-weight: 700;
      line-height: 1;
      border-radius: 999px;
      padding: 9px 15px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    }

    .overview-media figcaption {
      font-size: 13px;
      color: var(--muted);
      text-align: center;
      padding: 14px 18px 0;
      line-height: 1.6;
    }

    .focus-area {
      margin-bottom: 40px;
    }

    .focus-grid {
      margin-top: 24px;
    }

    .grid-x.focus-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 22px;
      margin: 24px 0 0;
    }

    .focus-grid > .cell {
      flex: 1 1 0;
      min-width: 240px;
      max-width: 100%;
      padding: 0;
    }

    .feature-card {
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      background: #fff;
      border: 1px solid rgba(227, 232, 227, 0.9);
      border-radius: 24px;
      box-shadow: 0 8px 24px rgba(12, 52, 42, 0.06);
      padding: 30px 24px;
      height: 100%;
      transition: box-shadow 0.24s ease, transform 0.24s ease;
    }

    .feature-card:hover,
    .feature-card:focus-within {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .feature-icon {
      width: 54px;
      height: 54px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 18px;
      background: rgba(11, 92, 68, 0.1);
      color: var(--primary);
      font-size: 22px;
      margin-bottom: 18px;
    }

    .feature-card:nth-child(even) .feature-icon {
      background: rgba(242, 184, 75, 0.14);
      color: #B67A15;
    }

    .feature-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: #132A21;
    }

    .feature-card p {
      font-size: 14px;
      line-height: 1.7;
      color: var(--muted);
      margin: 0;
    }

    .spotlight-card {
      margin-bottom: 40px;
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
      border-radius: 28px;
      overflow: hidden;
      background-color: var(--green-deep);
      background-image:
        linear-gradient(125deg, rgba(8, 44, 35, 0.9), rgba(16, 91, 69, 0.95)),
        url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      color: #fff;
      box-shadow: 0 18px 40px rgba(8, 44, 35, 0.2);
    }

    .spotlight-copy {
      padding: 44px 40px;
    }

    .spotlight-copy h2 {
      color: #fff;
      margin-bottom: 20px;
      font-size: 26px;
    }

    .spotlight-copy p {
      color: rgba(255, 255, 255, 0.86);
      font-size: 15px;
      margin-bottom: 18px;
      line-height: 1.85;
    }

    .spotlight-list {
      margin: 16px 0 24px;
    }

    .spotlight-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: rgba(255, 255, 255, 0.9);
      font-size: 14px;
      margin-bottom: 12px;
    }

    .spotlight-list i {
      color: var(--gold);
      margin-top: 6px;
      font-size: 13px;
    }

    .spotlight-copy .btn-gold {
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
    }

    .spotlight-media {
      position: relative;
      min-height: 300px;
    }

    .spotlight-media img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .topics-zone {
      background: #fff;
      border: 1px solid rgba(227, 232, 227, 0.9);
      border-radius: 26px;
      box-shadow: var(--shadow);
      padding: 42px;
      margin-bottom: 36px;
    }

    .topics-zone > p {
      color: var(--muted);
      margin-bottom: 24px;
      max-width: 760px;
    }

    .topic-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .topic-unit {
      background: #F8FAF6;
      border: 1px solid #E4ECE5;
      border-radius: 18px;
      padding: 24px;
      transition: background 0.2s ease, box-shadow 0.2s ease;
    }

    .topic-unit:hover {
      background: #FFFFFF;
      box-shadow: 0 12px 24px rgba(12, 52, 42, 0.08);
    }

    .topic-unit h3 {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .topic-unit h3 i {
      color: var(--primary);
      font-size: 15px;
    }

    .topic-unit p {
      font-size: 14px;
      color: var(--muted);
      margin: 0;
      line-height: 1.7;
    }

    .browse-area {
      margin-bottom: 36px;
    }

    .browse-area > p {
      color: var(--muted);
      max-width: 720px;
    }

    .step-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
      margin-top: 24px;
    }

    .step-item {
      background: #fff;
      border: 1px solid rgba(227, 232, 227, 0.8);
      border-radius: 20px;
      padding: 28px 24px;
      box-shadow: 0 8px 24px rgba(12, 52, 42, 0.05);
      height: 100%;
    }

    .step-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      background: rgba(11, 92, 68, 0.12);
      color: var(--primary);
      border-radius: 10px;
      font-size: 14px;
      font-weight: 750;
      margin-bottom: 14px;
    }

    .step-item h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .step-item p {
      font-size: 14px;
      color: var(--muted);
      margin: 0;
    }

    .faq-item {
      margin-bottom: 12px;
      border: 1px solid #E2EAE4;
      border-radius: 18px;
      background: #fff;
      overflow: hidden;
    }

    .faq-item summary {
      position: relative;
      display: block;
      cursor: pointer;
      padding: 18px 48px 18px 22px;
      font-size: 15px;
      font-weight: 650;
      color: #1C2A23;
      line-height: 1.5;
      list-style: none;
      transition: color 0.2s ease, background 0.2s ease;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary:hover {
      background: #F7FAF6;
      color: var(--primary);
    }

    .faq-item summary:focus-visible {
      outline: 3px solid rgba(49, 185, 154, 0.32);
      outline-offset: -3px;
    }

    .faq-item summary::after {
      content: "+";
      position: absolute;
      right: 16px;
      top: 50%;
      transform: translateY(-50%);
      width: 26px;
      height: 26px;
      background: #EDF3EF;
      color: var(--primary);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 400;
      font-size: 19px;
      line-height: 1;
      transition: background 0.24s ease, color 0.24s ease, transform 0.24s ease;
    }

    .faq-item[open] summary {
      color: var(--primary);
      background: #F9FBFA;
      border-bottom: 1px solid #E5ECE6;
    }

    .faq-item[open] summary::after {
      content: "−";
      background: var(--primary);
      color: #fff;
      transform: translateY(-50%) rotate(180deg);
    }

    .faq-answer {
      padding: 16px 22px 22px;
      color: #56655E;
      font-size: 14px;
      line-height: 1.8;
    }

    .cta-band {
      position: relative;
      background:
        linear-gradient(120deg, rgba(6, 39, 30, 0.95), rgba(13, 79, 59, 0.92)),
        url('/assets/images/backpic/back-1.png') center / cover;
      color: #fff;
      border-radius: 30px;
      padding: 64px 34px;
      text-align: center;
      margin: 80px 0 100px;
      box-shadow: 0 24px 50px rgba(7, 44, 34, 0.24);
    }

    .cta-inner {
      max-width: 760px;
      margin: 0 auto;
    }

    .cta-inner h2 {
      color: #fff;
      font-size: clamp(25px, 3vw, 36px);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .cta-inner p {
      color: rgba(255, 255, 255, 0.86);
      font-size: 16px;
      margin-bottom: 26px;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 14px;
    }

    .site-footer {
      background: var(--green-deep);
      padding-top: 70px;
      margin-top: 20px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: minmax(0, 2fr) minmax(0, 0.9fr) minmax(0, 1fr) minmax(0, 1.2fr);
      gap: 32px;
      padding-bottom: 48px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 19px;
      font-weight: 750;
      line-height: 1.3;
    }

    .footer-brand i {
      width: 30px;
      height: 30px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(49, 185, 154, 0.2);
      color: var(--accent);
      border-radius: 50%;
      font-size: 15px;
    }

    .footer-brand:hover {
      color: #fff;
    }

    .footer-about {
      color: rgba(220, 232, 225, 0.78);
      font-size: 14px;
      line-height: 1.9;
      max-width: 420px;
      margin-top: 16px;
      margin-bottom: 0;
    }

    .footer-title {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin: 6px 0 14px;
      letter-spacing: 0.02em;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: rgba(222, 235, 228, 0.88);
      font-size: 14px;
      transition: color 0.2s ease, padding-left 0.2s ease;
    }

    .footer-links a i {
      font-size: 11px;
      color: rgba(49, 185, 154, 0.7);
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-note {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 14px;
      padding: 14px 16px;
      color: rgba(218, 231, 223, 0.84);
      font-size: 13px;
      line-height: 1.75;
      margin-top: 4px;
    }

    .footer-note i {
      color: var(--accent);
      font-size: 15px;
      margin-top: 4px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 24px 0 28px;
      color: rgba(218, 231, 223, 0.68);
      font-size: 13px;
    }

    .footer-bottom span {
      line-height: 1.7;
    }

    @media screen and (max-width: 1100px) {
      .catalog-layout {
        grid-template-columns: 1fr;
      }

      .side-toc {
        position: static;
        margin-bottom: 8px;
      }

      .toc-card {
        padding: 18px 22px;
      }

      .toc-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
      }

      .toc-link {
        padding: 8px 12px;
        border-radius: 999px;
        background: #F0F3EF;
      }

      .toc-note {
        margin-top: 16px;
        padding-top: 14px;
      }

      .footer-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media screen and (max-width: 920px) {
      .header-inner {
        gap: 12px;
        min-height: auto;
      }

      .header-nav {
        order: 3;
        width: 100%;
        background: transparent;
        padding: 0 0 4px;
        border-radius: 0;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        gap: 6px;
        flex-wrap: nowrap;
      }

      .nav-chip {
        font-size: 14px;
        background: #E9E8E1;
        flex: 0 0 auto;
        padding: 0 13px;
        min-height: 36px;
      }

      .brand-logo {
        font-size: 18px;
      }

      .header-cta {
        margin-left: auto;
      }

      .overview-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .image-frame img {
        aspect-ratio: 16 / 10;
      }

      .spotlight-card {
        grid-template-columns: 1fr;
      }

      .spotlight-media {
        min-height: 220px;
        order: -1;
      }

      .spotlight-media img {
        position: relative;
        inset: auto;
      }

      .spotlight-copy {
        padding: 32px 24px;
      }

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

    @media screen and (max-width: 700px) {
      .page-hero {
        padding: 52px 0 42px;
      }

      .hero-sub {
        font-size: 15px;
      }

      .topic-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .content-card,
      .topics-zone {
        padding: 28px 20px;
        border-radius: 20px;
      }

      .catalog-section {
        padding-top: 48px;
        padding-bottom: 30px;
      }

      .cta-band {
        padding: 46px 18px;
        margin: 56px 0 72px;
        border-radius: 22px;
      }

      .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
        padding-bottom: 36px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media screen and (max-width: 540px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .brand-logo {
        font-size: 16.5px;
        gap: 8px;
      }

      .brand-logo i {
        width: 30px;
        height: 30px;
        font-size: 14px;
      }

      .nav-chip i {
        display: none;
      }

      .nav-chip {
        font-size: 13px;
      }

      .header-cta {
        padding: 0 14px;
        min-height: 38px;
        gap: 6px;
        font-size: 13px;
      }

      .header-cta .nav-text {
        display: none;
      }

      .header-cta i {
        font-size: 15px;
      }

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

      .btn {
        width: 100%;
        padding: 0 18px;
      }

      .page-cta,
      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .feature-card {
        padding: 24px 20px;
      }

      .overview-grid,
      .topics-zone {
        padding-top: 24px;
      }

      .focus-grid > .cell {
        min-width: 100%;
      }

      .toc-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .toc-list li {
        width: 100%;
      }

      .toc-link {
        padding: 8px 10px;
        font-size: 13px;
      }

      .topic-unit {
        padding: 20px 18px;
      }

      .spotlight-copy h2 {
        font-size: 22px;
      }

      .faq-item summary {
        padding: 16px 46px 16px 16px;
      }

      .faq-answer {
        padding: 12px 16px 16px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
      }
    }

/* roulang page: category2 */
:root {
  --green-900: #0A2C23;
  --green-800: #0D4F3B;
  --green-700: #0B4F3A;
  --green-600: #0F7A5F;
  --green-400: #31B99A;
  --mint-bg: #E7F3EF;
  --gold: #F2B84B;
  --gold-deep: #D99A2B;
  --gold-light: #FCE3A7;
  --sand: #F7F7F4;
  --card: #FFFFFF;
  --text: #18221E;
  --text-weak: #64726C;
  --border: #E3E8E3;
  --radius-card: 22px;
  --radius-btn: 14px;
  --radius-chip: 999px;
  --shadow-1: 0 8px 24px rgba(12, 52, 42, 0.08);
  --shadow-2: 0 16px 32px rgba(12, 52, 42, 0.14);
  --max-width: 1200px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--sand);
  color: var(--text);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input { font-family: inherit; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { line-height: 1.3; }
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
section { scroll-margin-top: 96px; }
:focus-visible {
  outline: 3px solid rgba(49, 185, 154, 0.45);
  outline-offset: 3px;
  border-radius: 4px;
}

a.btn-gold,
a.btn-green,
a.btn-ghost,
button.btn-gold,
button.btn-green,
button.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 30px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  font-size: 1rem;
  border: 0;
  cursor: pointer;
  transition: all 0.2s ease-out;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #593A07;
  box-shadow: 0 8px 18px rgba(242, 184, 75, 0.28);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: #2C1A02;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(217, 154, 43, 0.32);
}
.btn-green {
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: #FFFFFF;
  box-shadow: 0 10px 20px rgba(11, 79, 58, 0.25);
}
.btn-green:hover {
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(11, 79, 58, 0.32);
}
.btn-ghost {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.7);
}
.btn-ghost:hover {
  color: var(--green-900);
  background: #FFFFFF;
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(247, 247, 244, 0.96);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--green-900);
  white-space: nowrap;
}
.brand-logo i {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green-700), var(--green-400));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.header-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #ECEfE9;
  padding: 6px;
  border-radius: var(--radius-chip);
  overflow-x: auto;
  scrollbar-width: none;
}
.header-nav::-webkit-scrollbar { display: none; }
.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-chip);
  color: #35453F;
  font-size: 0.93rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}
.nav-chip i {
  font-size: 0.9rem;
}
.nav-chip:hover {
  background: #D9E3DC;
  color: var(--green-700);
}
.nav-chip.active {
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
  color: #FFFFFF;
  box-shadow: 0 6px 14px rgba(11, 79, 58, 0.2);
}
.header-cta {
  margin-left: auto;
  min-height: 46px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  color: #D9EEE6;
  background: var(--green-900);
  white-space: nowrap;
  transition: background 0.2s, transform 0.2s;
}
.header-cta:hover {
  background: var(--green-700);
  transform: translateY(-2px);
}
.header-cta .nav-text {
  font-size: 0.95rem;
}

.category-hero {
  position: relative;
  color: #FFFFFF;
  background-image: linear-gradient(140deg, rgba(10, 44, 35, 0.97), rgba(13, 79, 59, 0.93)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 86px 0 74px;
}
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(232, 242, 237, 0.8);
  margin-bottom: 18px;
}
.hero-breadcrumb a { color: var(--gold); }
.hero-breadcrumb a:hover { text-decoration: underline; }
.category-hero h1 {
  max-width: 900px;
  font-size: clamp(32px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: 0.5px;
}
.hero-lead {
  max-width: 720px;
  margin-top: 18px;
  font-size: 1.08rem;
  color: rgba(246, 249, 248, 0.92);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}
.hero-point {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 8px 15px;
  border-radius: var(--radius-chip);
  font-size: 0.9rem;
  color: rgba(239, 246, 243, 0.95);
}
.hero-point i { color: var(--gold); }

.section {
  padding: 84px 0;
}
.section-alt {
  background: #FCFFFD;
}
.section-head {
  max-width: 680px;
  margin-bottom: 42px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-600);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 3px;
  background: var(--gold);
  border-radius: 99px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--green-900);
  line-height: 1.35;
}
.section-desc {
  margin-top: 14px;
  color: var(--text-weak);
  font-size: 1rem;
}

.spotlight-panel {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  box-shadow: var(--shadow-1);
  border: 1px solid rgba(227, 232, 227, 0.8);
}
.spotlight-media {
  min-height: 340px;
  background: var(--green-800);
}
.spotlight-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.spotlight-content {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.spotlight-content h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 750;
  color: var(--green-900);
}
.spotlight-content p {
  color: var(--text-weak);
  margin-top: 16px;
  font-size: 1rem;
  line-height: 1.8;
}
.spotlight-points {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: var(--radius-chip);
  background: var(--mint-bg);
  color: var(--green-700);
  font-size: 0.86rem;
  font-weight: 700;
}
.spotlight-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.guide-card {
  height: 100%;
  background: #FFFFFF;
  border: 1px solid #E5EBE5;
  border-radius: var(--radius-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease-out, box-shadow 0.25s ease-out;
}
.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}
.guide-card i.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--green-700), var(--green-400));
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 22px;
}
.guide-card h3 {
  font-size: 1.22rem;
  font-weight: 750;
  color: var(--green-900);
}
.guide-card p {
  margin-top: 12px;
  color: var(--text-weak);
  line-height: 1.75;
}
.guide-card .card-tag {
  margin-top: 18px;
  color: var(--green-600);
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 7px;
}
.guide-card .card-list {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}
.guide-card .card-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-weak);
  line-height: 1.6;
  font-size: 0.93rem;
}
.guide-card .card-list li i {
  color: var(--green-400);
  margin-top: 4px;
}
.guide-card .card-action {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-700);
  font-weight: 700;
  font-size: 0.95rem;
  transition: gap 0.2s;
}
.guide-card .card-action:hover {
  color: var(--green-400);
  gap: 12px;
}
.guide-grid .cell {
  margin-bottom: 28px;
}
.grid-x .cell { height: auto; }
.guide-card--warm {
  background: linear-gradient(150deg, #FFFFFF, #FCF9F1);
}
.guide-card--dark {
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  color: #FFFFFF;
}
.guide-card--dark h3 { color: #FFFFFF; }
.guide-card--dark .card-list li { color: rgba(238, 247, 243, 0.88); }
.guide-card--dark .card-tag { color: var(--gold); }
.guide-card--dark .card-action { color: var(--gold); }

.steps-band {
  background: var(--green-900);
  color: #FFFFFF;
  background-image: linear-gradient(135deg, rgba(10, 44, 35, 0.97), rgba(15, 122, 95, 0.93)), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
}
.steps-band .section-head h2 { color: #FFFFFF; }
.steps-band .section-desc { color: rgba(235, 244, 241, 0.82); }
.steps-band .eyebrow { color: var(--gold); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.step-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 28px 24px;
  border-radius: var(--radius-card);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.step-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.step-item h3 {
  font-size: 1.02rem;
  font-weight: 750;
  color: #FFFFFF;
}
.step-item p {
  margin-top: 10px;
  color: rgba(232, 242, 237, 0.8);
  font-size: 0.92rem;
  line-height: 1.7;
}

.faq-section {
  background: #FFFFFF;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  background: transparent;
}
.accordion-item.faq-item {
  border: 1px solid var(--border);
  border-radius: 18px;
  margin-bottom: 14px;
  background: #FFFFFF;
  overflow: hidden;
  box-shadow: 0 3px 12px rgba(12, 52, 42, 0.05);
}
.faq-item .accordion-title {
  padding: 19px 26px;
  background: #FFFFFF;
  color: var(--text);
  font-size: 1rem;
  font-weight: 750;
  border: 0;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item .accordion-title:hover,
.faq-item .accordion-title:focus {
  background: #FFFFFF;
  color: var(--green-700);
}
.faq-item .accordion-title i {
  color: var(--green-600);
  font-size: 0.9rem;
  transition: transform 0.25s ease;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--mint-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.accordion-item.is-active > .accordion-title i {
  transform: rotate(45deg);
  background: var(--green-700);
  color: #FFFFFF;
}
.faq-item .accordion-content {
  padding: 0 26px 22px;
  color: var(--text-weak);
  line-height: 1.8;
  font-size: 0.96rem;
}
.accordion-item.is-active > .accordion-content {
  display: block;
}

.cta-band {
  padding-bottom: 90px;
  background: var(--sand);
}
.cta-container {
  background-image: linear-gradient(135deg, rgba(10, 44, 35, 0.97), rgba(13, 79, 59, 0.95)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  padding: 68px 36px;
  border-radius: 28px;
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}
.cta-container h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  max-width: 620px;
}
.cta-container p {
  color: rgba(233, 243, 239, 0.88);
  max-width: 560px;
  margin-top: 14px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.site-footer {
  background: var(--green-900);
  color: #CCDED6;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 44px;
  padding: 68px 0 42px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.2rem;
}
.footer-brand i {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gold);
  color: var(--green-900);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.footer-about {
  margin-top: 16px;
  color: rgba(219, 232, 227, 0.76);
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 420px;
}
.footer-title {
  font-size: 0.98rem;
  font-weight: 750;
  color: #FFFFFF;
  margin-bottom: 16px;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(219, 232, 227, 0.78);
  font-size: 0.93rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--gold); }
.footer-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 18px;
  color: rgba(225, 237, 232, 0.82);
  font-size: 0.9rem;
  line-height: 1.75;
}
.footer-note i {
  color: var(--gold);
  font-size: 1.2rem;
  margin-top: 2px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(217, 231, 226, 0.62);
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 12px;
    padding-bottom: 14px;
  }
  .brand-logo {
    font-size: 1.04rem;
  }
  .brand-logo i {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }
  .header-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    padding: 5px;
  }
  .header-cta {
    margin-left: auto;
  }
  .section {
    padding: 58px 0;
  }
}

@media (max-width: 768px) {
  .category-hero {
    padding: 62px 0 56px;
  }
  .spotlight-panel {
    grid-template-columns: 1fr;
  }
  .spotlight-media {
    min-height: 240px;
    max-height: 320px;
  }
  .spotlight-content {
    padding: 30px 24px;
  }
  .guide-card {
    padding: 24px;
  }
  .cta-band {
    padding-bottom: 56px;
  }
  .cta-container {
    padding: 46px 24px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 48px 0 38px;
  }
}

@media (max-width: 640px) {
  .header-nav {
    border-radius: 18px;
  }
  .nav-chip {
    padding: 0 12px;
    min-height: 40px;
    font-size: 0.86rem;
  }
  .header-cta {
    padding: 0 14px;
    min-height: 42px;
  }
  .hero-actions .btn-gold,
  .hero-actions .btn-ghost {
    width: 100%;
  }
  .spotlight-actions .btn-gold,
  .spotlight-actions .btn-ghost {
    width: 100%;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .cta-actions .btn-gold,
  .cta-actions .btn-ghost {
    width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0F7A5F;
  --primary-deep: #0B4F3A;
  --primary-deeper: #0A2C23;
  --secondary: #31B99A;
  --accent: #F2B84B;
  --accent-light: #F8D988;
  --background: #F7F7F4;
  --surface: #FFFFFF;
  --text: #18221E;
  --muted: #64726C;
  --border: #E3E8E3;
  --radius-card: 22px;
  --radius-btn: 14px;
  --radius-chip: 999px;
  --shadow-card: 0 8px 24px rgba(12, 52, 42, 0.08);
  --shadow-hover: 0 16px 32px rgba(12, 52, 42, 0.14);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--background);
  color: var(--text);
  font-family: var(--font-family);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease-out, background 0.2s ease-out, border-color 0.2s ease-out;
}

a:hover,
a:focus-visible {
  color: inherit;
}

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

ul,
ol,
p,
h1,
h2,
h3,
h4,
h5,
h6,
figure {
  margin-top: 0;
  margin-bottom: 0;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: relative;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(227, 232, 227, 0.9);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  min-height: 76px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--primary-deep);
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-logo i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--primary-deep);
  color: #fff;
  font-size: 15px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px;
  background: #F1F3EF;
  border-radius: 999px;
  overflow-x: auto;
  scrollbar-width: none;
}

.header-nav::-webkit-scrollbar {
  display: none;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: #34443C;
  white-space: nowrap;
  transition: background 0.2s ease-out, color 0.2s ease-out, transform 0.15s ease-out;
}

.nav-chip i {
  font-size: 13px;
  opacity: 0.8;
}

.nav-chip:hover {
  background: #E2E8E1;
  color: var(--primary-deep);
}

.nav-chip.active {
  background: var(--primary-deep);
  color: #fff;
  box-shadow: 0 6px 14px rgba(11, 79, 58, 0.18);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, #F6C85C, #EBA523);
  color: #1C241F;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(242, 184, 75, 0.32);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, filter 0.2s ease-out;
  flex-shrink: 0;
}

.header-cta:hover {
  filter: brightness(1.04);
  box-shadow: 0 10px 22px rgba(242, 184, 75, 0.42);
  transform: translateY(-1px);
}

.category-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(132deg, #0A4F3B 0%, #0F7A5F 62%, #1B9276 100%);
  padding: 72px 0 76px;
}

.category-hero-bg {
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  opacity: 0.18;
  pointer-events: none;
}

.category-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  gap: 56px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 8px 15px;
  font-size: 13px;
  letter-spacing: 0.3px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 22px;
  backdrop-filter: blur(8px);
}

.hero-kicker i {
  color: var(--accent-light);
}

.category-hero h1 {
  font-size: clamp(34px, 4.6vw, 48px);
  font-weight: 800;
  line-height: 1.22;
  margin-bottom: 20px;
  letter-spacing: 0.8px;
}

.category-hero .hero-desc {
  max-width: 590px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 49px;
  gap: 9px;
  padding: 10px 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.1;
  border: 1px solid transparent;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, background 0.2s ease-out, color 0.2s ease-out, border-color 0.2s ease-out;
  will-change: transform;
}

.btn:focus-visible {
  outline: 3px solid rgba(49, 185, 154, 0.48);
  outline-offset: 3px;
}

.btn-gold {
  background: linear-gradient(135deg, #F6C85C, #EBA523);
  color: #17211C;
  box-shadow: 0 8px 18px rgba(242, 184, 75, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(242, 184, 75, 0.45);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--primary-deep);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: var(--surface);
  border-color: var(--primary);
  color: var(--primary-deep);
}

.btn-outline-dark:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.hero-stat-panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  padding: 24px 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 22px 48px rgba(4, 37, 28, 0.22);
}

.stat-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 20px;
}

.stat-panel-title::after {
  content: "";
  display: block;
  height: 1px;
  flex: 1;
  background: rgba(255, 255, 255, 0.15);
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}

.stat-unit {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  min-height: 112px;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: background 0.2s ease-out, transform 0.2s ease-out;
}

.stat-unit:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.stat-unit strong {
  font-size: 27px;
  color: var(--accent);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.stat-unit span {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 5px;
}

.section {
  padding: 90px 0;
}

.section-soft {
  background: #F7F6F1;
}

.section-white {
  background: #fff;
}

.section-dark {
  color: #fff;
  background: linear-gradient(135deg, var(--primary-deeper), var(--primary-deep));
}

.section-head {
  max-width: 740px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head.left {
  text-align: left;
  margin-left: 0;
  margin-bottom: 36px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  background: rgba(15, 122, 95, 0.1);
  border: 1px solid rgba(15, 122, 95, 0.08);
  color: var(--primary);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.section-dark .section-tag {
  background: rgba(255, 255, 255, 0.14);
  border-color: transparent;
  color: #fff;
}

.section-head h2 {
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.34;
  margin: 18px 0 14px;
  color: var(--text);
}

.section-dark .section-head h2 {
  color: #fff;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.section-dark .section-head p {
  color: rgba(255, 255, 255, 0.78);
}

.section-head p:last-child {
  margin-bottom: 0;
}

.split-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-top: 48px;
}

.split-item:nth-of-type(even) .split-media {
  order: 2;
}

.split-media {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  background: #e6ebe5;
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
  transition: transform 0.5s ease-out;
}

.split-media:hover img {
  transform: scale(1.03);
}

.split-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 54px;
  background: linear-gradient(to top, rgba(10, 44, 35, 0.2), transparent);
  pointer-events: none;
}

.split-content {
  padding: 18px 0;
}

.split-content .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  margin-bottom: 16px;
}

.split-content h3 {
  font-size: 27px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--primary-deep);
  margin-bottom: 18px;
}

.split-content > p {
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 18px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 51px;
  height: 51px;
  border-radius: 16px;
  background: rgba(15, 122, 95, 0.1);
  color: var(--primary);
  font-size: 21px;
  margin-bottom: 14px;
}

.check-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin-bottom: 12px;
  font-size: 15.5px;
  line-height: 1.65;
  color: #25352D;
}

.check-list li i {
  color: var(--primary);
  margin-top: 5px;
  flex-shrink: 0;
  font-size: 15px;
}

.data-rail-section {
  background: linear-gradient(to bottom, #fff 0%, #F7F6F1 100%);
}

.data-rail-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.rail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.25s ease-out;
}

.rail-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(15, 122, 95, 0.24);
}

.rail-card .server {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--primary-deep);
  color: #fff;
  font-size: 18px;
  margin-bottom: 18px;
}

.rail-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.rail-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.table-section {
  background: #EFEFE9;
}

.table-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  padding: clamp(16px, 4vw, 34px);
}

.table-scroll {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.data-table caption {
  font-size: 14px;
  color: var(--muted);
  padding: 8px 0 14px;
  text-align: left;
}

.data-table thead th {
  background: rgba(15, 122, 95, 0.08);
  color: var(--primary-deep);
  font-weight: 700;
  padding: 14px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 2px solid rgba(15, 122, 95, 0.22);
}

.data-table tbody td {
  padding: 14px 16px;
  color: #28362E;
  border-bottom: 1px solid rgba(227, 232, 227, 0.8);
  vertical-align: top;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover td {
  background: rgba(49, 185, 154, 0.045);
}

.data-table td strong {
  color: var(--primary-deep);
  font-weight: 700;
}

.table-note {
  margin: 18px 6px 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  border-left: 3px solid #31B99A;
  padding-left: 14px;
}

.step-section {
  background: #fff;
}

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

.step-card {
  position: relative;
  background: #F9F9F5;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 30px 26px 28px;
  transition: transform 0.22s ease-out, box-shadow 0.22s ease-out;
  overflow: hidden;
}

.step-card::before {
  content: attr(data-step);
  position: absolute;
  right: -6px;
  bottom: -18px;
  font-size: 70px;
  font-weight: 800;
  line-height: 1;
  color: rgba(15, 122, 95, 0.05);
  pointer-events: none;
}

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

.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background: var(--primary-deep);
  color: #fff;
  font-size: 18px;
  margin-bottom: 18px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
}

.faq-section {
  background: #F7F6F1;
}

.faq-title {
  font-size: clamp(25px, 3vw, 32px);
  font-weight: 800;
  text-align: center;
  color: var(--text);
  margin: 18px 0 14px;
}

.faq-subtitle {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 42px;
  color: var(--muted);
  font-size: 15px;
}

.faq-accordion {
  list-style: none;
  margin: 0 auto;
  max-width: 860px;
}

.faq-accordion .accordion-item {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 4px 14px rgba(12, 52, 42, 0.05);
  overflow: hidden;
  margin-bottom: 14px;
  border: 1px solid #E4E9E3 !important;
}

.faq-accordion .accordion-item:hover {
  border-color: rgba(15, 122, 95, 0.28) !important;
}

.faq-accordion .accordion-item .accordion-title {
  background: #fff !important;
  position: relative;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 18px 24px !important;
  font-size: 16px !important;
  font-weight: 700;
  color: var(--text);
  border: none !important;
  line-height: 1.5 !important;
}

.faq-accordion .accordion-item .accordion-title:hover {
  color: var(--primary-deep);
}

.faq-accordion .accordion-item.is-active .accordion-title {
  color: var(--primary);
}

.faq-accordion .accordion-title::before {
  content: none !important;
}

.faq-accordion .accordion-title::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(15, 122, 95, 0.09);
  color: var(--primary);
  font-size: 19px;
  font-weight: 400;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.faq-accordion .accordion-item.is-active .accordion-title::after {
  content: "−";
  background: var(--primary);
  color: #fff;
}

.faq-accordion .accordion-content {
  background: #fff !important;
  border-top: 1px solid #E4E9E3 !important;
  padding: 6px 24px 22px !important;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.faq-accordion .accordion-content p:last-child {
  margin-bottom: 0;
}

.cta-section {
  background: #0D4F3B;
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 96px 0;
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  pointer-events: none;
}

.cta-inner h2 {
  font-size: clamp(27px, 3.8vw, 36px);
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 16px;
  color: #fff;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 15.5px;
  margin-bottom: 30px;
  line-height: 1.8;
}

.cta-inner .hero-actions {
  justify-content: center;
}

.site-footer {
  background: var(--primary-deeper);
  color: #B4C7C0;
}

.site-footer a {
  color: #C8D6D0;
}

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

.footer-top {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr 1.25fr;
  gap: 40px;
  padding: 62px 0 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.footer-brand i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: var(--accent);
  font-size: 14px;
}

.footer-about {
  max-width: 300px;
  font-size: 13.5px;
  line-height: 1.8;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.6);
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3px;
  margin: 12px 0 15px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 3px;
}

.footer-links a {
  display: inline-block;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.5;
}

.footer-note {
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  padding: 14px 15px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
}

.footer-note i {
  color: var(--accent);
  margin-top: 2px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 24px 0 28px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
}

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

/* ======= Responsive ======= */
@media (max-width: 1100px) {
  .header-nav {
    max-width: 620px;
    overflow-x: auto;
  }

  .nav-chip {
    padding-left: 14px;
    padding-right: 14px;
  }

  .category-hero-inner {
    gap: 38px;
    grid-template-columns: 1.1fr 0.9fr;
  }

  .split-item {
    gap: 36px;
  }
}

@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
  }

  .brand-logo {
    order: 0;
    flex: 1 1 auto;
    margin-right: auto;
  }

  .header-cta {
    order: 1;
  }

  .header-cta .nav-text {
    display: none;
  }

  .header-cta {
    width: 52px;
    padding: 0;
  }

  .header-nav {
    order: 2;
    width: 100%;
    max-width: none;
    background: transparent;
    padding: 0;
    justify-content: flex-start;
    border-radius: 12px;
    gap: 6px;
  }

  .nav-chip {
    min-height: 40px;
    background: #F1F3EF;
    padding: 8px 15px;
  }

  .nav-chip.active {
    background: var(--primary-deep);
  }

  .category-hero-inner {
    grid-template-columns: 1fr;
  }

  .category-hero {
    padding-top: 56px;
    padding-bottom: 62px;
  }

  .hero-stat-panel {
    max-width: 560px;
  }

  .split-item,
  .split-item:nth-of-type(even) {
    grid-template-columns: 1fr;
  }

  .split-item:nth-of-type(even) .split-media {
    order: 0;
  }

  .split-media img {
    max-height: 360px;
    min-height: 0;
  }

  .data-rail-wrap,
  .step-grid {
    grid-template-columns: 1fr;
    max-width: 680px;
  }

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

@media (max-width: 640px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .section {
    padding: 58px 0;
  }

  .category-hero {
    padding-top: 44px;
    padding-bottom: 48px;
  }

  .category-hero h1 {
    font-size: 34px;
  }

  .category-hero .hero-desc {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .stat-unit {
    min-height: 100px;
    padding: 16px 12px;
  }

  .section-head h2 {
    font-size: 25px;
  }

  .split-content h3 {
    font-size: 23px;
  }

  .split-media img {
    max-height: 260px;
  }

  .check-list li {
    font-size: 14px;
  }

  .table-card {
    padding: 10px;
  }

  .table-note {
    margin-left: 8px;
    padding-left: 12px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    padding-top: 42px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .faq-accordion .accordion-title {
    font-size: 15px !important;
    padding: 15px 16px !important;
  }

  .faq-accordion .accordion-content {
    padding: 4px 16px 16px !important;
    font-size: 13.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category4 */
:root {
  --primary: #0b4f3a;
  --primary-light: #0f7a5f;
  --primary-dark: #0a2c23;
  --secondary: #31b99a;
  --accent: #f2b84b;
  --bg: #f6f5f0;
  --white: #ffffff;
  --text: #18221e;
  --muted: #64726c;
  --border: #e3e8e3;
  --radius-card: 22px;
  --radius-btn: 14px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(12, 52, 42, 0.08);
  --shadow-lg: 0 16px 32px rgba(12, 52, 42, 0.14);
  --gutter: 24px;
  --section-space: 84px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-stack);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(49, 185, 154, .55);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(227, 232, 227, .9);
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  font-weight: 750;
  color: var(--primary);
  letter-spacing: .2px;
  padding: 6px 0;
  line-height: 1.3;
}

.brand-logo i {
  color: var(--accent);
  font-size: 22px;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-width: 0;
  background: #eceee9;
  border-radius: var(--radius-pill);
  gap: 4px;
  padding: 5px;
  overflow-x: auto;
  scrollbar-width: none;
}

.header-nav::-webkit-scrollbar {
  display: none;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  color: #414b47;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease;
}

.nav-chip i {
  font-size: 14px;
  opacity: .8;
}

.nav-chip:hover {
  background: #dfe5e0;
  color: var(--primary);
}

.nav-chip.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 14px rgba(11, 79, 58, .22);
}

.nav-chip.active i {
  opacity: 1;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #f6c15f, #eda62f);
  color: #33260a;
  height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  box-shadow: 0 6px 14px rgba(242, 184, 75, .24);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(242, 184, 75, .34);
  filter: brightness(1.03);
}

.guide-hero {
  background: linear-gradient(135deg, rgba(8, 38, 31, .96), rgba(12, 70, 51, .92)),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  color: #fff;
  padding: 64px 0 42px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.guide-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 24px;
}

.guide-crumb a {
  transition: color .2s ease;
}

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

.guide-crumb i {
  font-size: 11px;
  opacity: .65;
}

.guide-hero h1 {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.25;
  margin: 8px 0 18px;
  font-weight: 750;
  letter-spacing: .3px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  color: #f5f5ee;
  letter-spacing: .4px;
}

.hero-eyebrow i {
  color: var(--accent);
}

.guide-hero .lead-copy {
  font-size: 16px;
  line-height: 1.85;
  max-width: 560px;
  color: rgba(255, 255, 255, .88);
  margin: 0 0 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 22px;
  background: linear-gradient(135deg, #f6c15f, #eda62f);
  border-radius: 14px;
  color: #2b1e08;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 10px 20px rgba(242, 184, 75, .25);
  transition: transform .2s ease, box-shadow .2s ease;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 22px rgba(242, 184, 75, .32);
  color: #160f04;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 22px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .45);
  color: #fff;
  border-radius: 14px;
  font-weight: 600;
  font-size: 15px;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .18);
  border-color: #fff;
  transform: translateY(-2px);
}

.hero-art {
  position: relative;
  margin-top: 26px;
}

.hero-art-inner {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  box-shadow: 0 18px 38px rgba(3, 24, 18, .5);
  border: 1px solid rgba(255, 255, 255, .15);
}

.hero-art-inner img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.hero-art-badge {
  position: absolute;
  right: 20px;
  top: 20px;
  background: rgba(242, 184, 75, .92);
  color: #2a1d08;
  border-radius: 999px;
  padding: 10px 15px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(5, 30, 23, .18);
  backdrop-filter: blur(6px);
  display: inline-flex;
  gap: 7px;
  align-items: center;
}

.hero-step-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 44px;
}

.hero-step-item {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(6px);
}

.hero-step-num {
  background: var(--accent);
  color: #241a07;
  font-weight: 800;
  font-size: 13px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 42px;
}

.hero-step-copy strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.hero-step-copy span {
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
  line-height: 1.6;
}

@media (min-width: 641px) {
  .hero-step-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

.white-section {
  background: var(--white);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
  margin-bottom: 12px;
}

.section-kicker::before {
  content: "";
  width: 18px;
  height: 3px;
  background: var(--accent);
  border-radius: 999px;
}

.section-title {
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.4;
  margin: 0 0 16px;
  color: var(--text);
  font-weight: 720;
}

.section-desc {
  color: var(--muted);
  line-height: 1.8;
  max-width: 720px;
  font-size: 15px;
  margin: 0 0 42px;
}

.center-heading {
  text-align: center;
}

.center-heading .section-kicker {
  justify-content: center;
}

.center-heading .section-kicker::before {
  display: none;
}

.center-heading .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.split-stack {
  display: grid;
  gap: 68px;
}

.split-block {
  display: grid;
  gap: 28px;
  align-items: center;
  background: var(--white);
  border: 1px solid rgba(227, 232, 227, .6);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
}

@media (min-width: 900px) {
  .split-block {
    grid-template-columns: 1fr 1fr;
    gap: 46px;
    padding: 44px;
  }
}

.split-media {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 10px 24px rgba(12, 52, 42, .12);
}

.split-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.split-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(11, 79, 58, .08);
  color: var(--primary);
  padding: 7px 13px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 18px;
}

.split-tag i {
  color: var(--secondary);
}

.split-block h3 {
  font-size: 24px;
  line-height: 1.4;
  margin: 0 0 14px;
  color: var(--text);
  font-weight: 700;
}

.split-block h4 {
  font-size: 17px;
  line-height: 1.55;
  margin: 18px 0 8px;
}

.split-copy p {
  color: #505b56;
  font-size: 15px;
  line-height: 1.85;
  margin: 0 0 16px;
}

.split-copy ul {
  padding-left: 6px;
  list-style: none;
  margin: 14px 0 2px;
}

.split-copy li {
  position: relative;
  padding-left: 26px;
  color: #505b56;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 6px;
}

.split-copy li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--secondary);
  font-size: 13px;
}

.split-mini-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  margin-top: 12px;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, gap .2s ease;
}

.split-mini-link:hover {
  border-color: var(--primary);
  gap: 12px;
}

.guide-steps-section {
  background: linear-gradient(135deg, rgba(6, 32, 26, .98), rgba(10, 66, 50, .96)),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: #fff;
}

.guide-steps-section .section-title,
.guide-steps-section .section-desc {
  color: #fff;
}

.guide-steps-section .section-desc {
  color: rgba(255, 255, 255, .75);
}

.steps-layout {
  display: grid;
  gap: 48px;
  align-items: center;
}

@media (min-width: 900px) {
  .steps-layout {
    grid-template-columns: 1.2fr .8fr;
  }
}

.step-cards {
  display: grid;
  gap: 16px;
}

.step-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 22px;
  padding: 22px;
  transition: transform .2s ease, background .2s ease;
}

.step-card:hover {
  background: rgba(255, 255, 255, .13);
  transform: translateY(-2px);
}

.step-card-index {
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 1px;
  flex: 0 0 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(242, 184, 75, .14);
}

.step-card strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-card span {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .75);
}

.steps-media {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 16px 32px rgba(3, 24, 18, .36);
  border: 1px solid rgba(255, 255, 255, .14);
}

.steps-media img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.steps-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(2, 18, 14, .1), rgba(2, 18, 14, .4));
}

.steps-media-link {
  position: absolute;
  left: 18px;
  bottom: 18px;
  right: 18px;
  z-index: 1;
  background: rgba(255, 255, 255, .85);
  color: var(--primary-dark);
  border-radius: 16px;
  padding: 13px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.guide-table-section {
  background: var(--bg);
}

.table-shell {
  background: var(--white);
  border: 1px solid rgba(227, 232, 227, .8);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 24px;
  overflow: hidden;
}

.table-scroll {
  overflow-x: auto;
}

.info-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.info-table th {
  background: #eef4ef;
  color: var(--primary);
  text-align: left;
  padding: 16px 18px;
  font-weight: 700;
  white-space: nowrap;
  border-bottom: 2px solid var(--border);
}

.info-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  line-height: 1.7;
  vertical-align: top;
}

.info-table tr:last-child td {
  border-bottom: none;
}

.info-table td strong {
  color: var(--text);
}

.info-table td .table-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(49, 185, 154, .08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 5px 11px;
  white-space: nowrap;
}

.faq-section {
  background: var(--white);
}

.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: box-shadow .2s ease, border-color .2s ease;
}

.faq-item[open] {
  border-color: rgba(11, 79, 58, .4);
  box-shadow: var(--shadow);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  transition: color .2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] summary {
  color: var(--primary);
}

.faq-item .faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex: 0 0 26px;
  background: rgba(11, 79, 58, .08);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  padding: 0 24px 22px;
  color: #505b56;
  line-height: 1.85;
  font-size: 15px;
  max-width: 790px;
}

.faq-answer p {
  margin: 0 0 10px;
}

.faq-answer a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid rgba(11, 79, 58, .4);
}

.cta-band-wrap {
  padding: 0 24px 86px;
  max-width: 1248px;
  margin: 0 auto;
}

.cta-band {
  background: linear-gradient(135deg, rgba(6, 32, 26, .96), rgba(10, 66, 50, .9)),
    url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  color: #fff;
  border-radius: 30px;
  padding: 56px 28px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(12, 52, 42, .2);
}

.cta-band h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin: 0 0 12px;
  font-weight: 750;
}

.cta-band p {
  color: rgba(255, 255, 255, .78);
  font-size: 15px;
  max-width: 650px;
  margin: 0 auto 28px;
  line-height: 1.8;
}

.cta-btn-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-band .btn-gold {
  min-width: 170px;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .5);
  color: #fff;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .18);
  transform: translateY(-2px);
}

.site-footer {
  background: #082b22;
  color: #b7c8c1;
  padding-top: 64px;
}

.site-footer .container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr .8fr .8fr 1.2fr;
  gap: 36px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 19px;
  font-weight: 750;
  color: #e9f2ee;
  margin-bottom: 16px;
}

.footer-brand i {
  color: var(--accent);
}

.footer-about {
  color: #97aaa2;
  font-size: 14px;
  line-height: 1.85;
  margin: 0;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin: 4px 0 16px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: #b7c8c1;
  font-size: 14px;
  line-height: 1.6;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: #e9a72f;
  padding-left: 4px;
}

.footer-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: #97aaa2;
  font-size: 13px;
  line-height: 1.7;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 15px;
  padding: 14px;
}

.footer-note i {
  color: var(--accent);
  margin-top: 3px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 22px 0 26px;
  color: #7a9189;
  font-size: 13px;
}

@media (max-width: 1100px) {
  .header-inner {
    justify-content: flex-start;
  }
  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
  }
  .header-cta {
    margin-left: auto;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 56px;
    --gutter: 18px;
  }
  .brand-logo {
    font-size: 16px;
  }
  .header-cta {
    height: 38px;
    padding: 0 15px;
    font-size: 13px;
  }
  .guide-hero {
    padding: 40px 0 28px;
  }
  .guide-hero .lead-copy {
    font-size: 15px;
  }
  .split-stack {
    gap: 44px;
  }
  .split-block {
    padding: 20px;
  }
  .guide-steps-section .section {
    padding: 48px 0;
  }
  .section {
    padding-top: 44px;
    padding-bottom: 44px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 28px;
  }
  .footer-bottom {
    justify-content: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand-logo {
    font-size: 15px;
    gap: 5px;
  }
  .brand-logo i {
    font-size: 18px;
  }
  .header-cta .nav-text {
    display: none;
  }
  .header-cta {
    width: 38px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
  }
  .nav-chip {
    padding: 7px 12px;
    font-size: 13px;
  }
  .guide-hero h1 {
    font-size: 30px;
  }
  .hero-actions .btn-gold,
  .hero-actions .btn-ghost {
    width: 100%;
  }
  .hero-art-inner img {
    aspect-ratio: 4 / 3.4;
  }
  .steps-media img {
    height: 250px;
  }
  .cta-band-wrap {
    padding-left: 16px;
    padding-right: 16px;
  }
  .cta-band {
    padding: 36px 20px;
  }
}