/* roulang page: index */
:root{
  --color-primary:#0E5E54;
  --color-primary-light:#1A7A6B;
  --color-primary-dark:#083F38;
  --color-accent:#C9A76B;
  --color-accent-light:#E2C98F;
  --color-bg:#F7F5F0;
  --color-surface:#FFFFFF;
  --color-text:#1F2A26;
  --color-text-secondary:#55665F;
  --color-border:#E5E0D6;
  --color-success:#2E9E6B;
  --color-warning:#D9822B;
  --gradient-brand:linear-gradient(135deg,#0E5E54 0%,#1A7A6B 55%,#2FA88A 100%);
  --gradient-accent:linear-gradient(135deg,#C9A76B 0%,#B8844A 100%);
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 8px 24px rgba(14,94,84,0.08);
  --shadow-hover:0 12px 32px rgba(14,94,84,0.14);
  --shadow-btn:0 4px 12px rgba(14,94,84,0.25);
  --font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-family);
  background:var(--color-bg);
  color:var(--color-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
ul{list-style:none;}
button{font-family:inherit;border:none;cursor:pointer;background:none;}
input,textarea{font-family:inherit;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:12px 16px;font-size:15px;background:var(--color-surface);transition:border-color .25s ease,box-shadow .25s ease;width:100%;}
input:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(14,94,84,0.12);}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media(max-width:640px){.container{padding:0 16px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:600;padding:14px 32px;border-radius:var(--radius-sm);
  transition:all .25s ease;white-space:nowrap;line-height:1.4;
}
.btn-accent{
  background:var(--gradient-accent);color:#1F2A26;box-shadow:var(--shadow-btn);
}
.btn-accent:hover{filter:brightness(1.1);box-shadow:0 6px 18px rgba(201,167,107,.45);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.8);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-primary-dark{
  background:var(--color-primary-dark);color:#fff;box-shadow:var(--shadow-btn);
}
.btn-primary-dark:hover{background:var(--color-primary);transform:translateY(-1px);box-shadow:0 8px 22px rgba(14,94,84,.35);}
@media(max-width:640px){.btn{width:100%;padding:14px 20px;font-size:15px;}}

/* ============ 倒计时条 ============ */
.countdown-bar{
  background:var(--color-primary-dark);color:#fff;
  min-height:56px;display:flex;align-items:center;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.countdown-bar .container{
  display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px;
}
.countdown-label{font-size:14px;color:rgba(255,255,255,.85);}
.countdown-timer{display:flex;align-items:center;gap:6px;font-size:14px;color:rgba(255,255,255,.7);}
.cd-num{
  font-size:20px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);
  border-radius:8px;padding:2px 8px;min-width:36px;text-align:center;
  font-variant-numeric:tabular-nums;
}
.countdown-btn{
  background:var(--gradient-accent);color:#1F2A26;font-size:12px;font-weight:600;
  height:32px;padding:0 18px;border-radius:8px;display:inline-flex;align-items:center;
  transition:filter .25s ease;
}
.countdown-btn:hover{filter:brightness(1.1);}
.countdown-btn.finished{background:#4a5a55;color:rgba(255,255,255,.7);cursor:pointer;}
@media(max-width:640px){
  .countdown-bar .container{gap:8px;}
  .cd-num{font-size:16px;min-width:28px;padding:2px 6px;}
  .countdown-label{font-size:13px;}
}

/* ============ 导航 ============ */
.site-header{
  background:var(--color-surface);
  border-bottom:1px solid var(--color-border);
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 12px rgba(14,94,84,.04);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;
}
.nav-left,.nav-right{display:flex;align-items:center;}
.nav-left{justify-content:flex-start;gap:32px;}
.nav-right{justify-content:flex-end;gap:32px;}
.nav-right-links{display:flex;align-items:center;gap:32px;}
.nav-link{
  font-size:16px;font-weight:500;color:var(--color-text);
  position:relative;padding:6px 0;
}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:-2px;
  width:0;height:2px;background:var(--color-primary);
  transition:width .3s ease;
}
.nav-link:hover{color:var(--color-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--color-primary);font-weight:700;}
.brand-logo{
  display:flex;align-items:baseline;gap:4px;justify-content:center;padding:0 8px;
}
.brand-main{font-size:26px;font-weight:700;color:var(--color-primary);letter-spacing:-.5px;}
.brand-sub{
  font-size:14px;font-weight:600;color:var(--color-accent);
  padding:2px 6px;border-top:1.5px solid var(--color-accent);border-bottom:1.5px solid var(--color-accent);
  position:relative;top:-2px;
}
.menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px;}
.menu-toggle span{
  width:24px;height:2px;background:var(--color-text);
  border-radius:2px;transition:all .3s ease;
}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-menu{
  display:none;background:var(--color-primary-dark);
  padding:24px 0;flex-direction:column;
}
.mobile-menu a{
  color:rgba(255,255,255,.9);font-size:17px;font-weight:500;
  padding:16px 24px;border-bottom:1px solid rgba(255,255,255,.1);
  transition:background .25s ease,padding-left .25s ease;
}
.mobile-menu a:hover{background:rgba(255,255,255,.06);padding-left:32px;}
.mobile-menu a.active{color:var(--color-accent-light);font-weight:700;}
.mobile-menu.show{display:flex;}
@media(max-width:768px){
  .header-inner{grid-template-columns:1fr auto 1fr;height:64px;}
  .nav-left,.nav-right-links{display:none;}
  .menu-toggle{display:flex;}
  .brand-main{font-size:22px;}
  .brand-sub{font-size:12px;}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:var(--gradient-brand);
  overflow:hidden;
  padding:80px 0;
}
.hero::before{
  content:'';position:absolute;top:-60px;right:-80px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,255,255,.12) 0%,transparent 70%);
  border-radius:50%;
}
.hero::after{
  content:'';position:absolute;bottom:-100px;left:20%;width:260px;height:260px;
  background:radial-gradient(circle,rgba(201,167,107,.18) 0%,transparent 70%);
  border-radius:50%;
}
.hero-inner{
  display:grid;grid-template-columns:3fr 2fr;gap:60px;align-items:center;position:relative;z-index:1;
}
.hero-content{color:#fff;}
.hero h1{
  font-size:42px;font-weight:700;line-height:1.3;
  margin-bottom:16px;letter-spacing:-.5px;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.hero h1 .dot{
  display:inline-block;width:10px;height:10px;border-radius:50%;
  background:var(--color-accent);flex-shrink:0;
}
.hero-subtitle{
  font-size:18px;line-height:1.7;
  color:rgba(255,255,255,.75);
  max-width:520px;margin-bottom:36px;
}
.hero-cta{display:flex;gap:16px;margin-bottom:48px;flex-wrap:wrap;}
.hero-stats{
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.18);padding-top:28px;max-width:520px;
}
.stat-item{display:flex;flex-direction:column;gap:2px;}
.stat-num{
  font-size:28px;font-weight:700;color:#fff;line-height:1;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:rgba(255,255,255,.6);}
.stat-divider{width:1px;height:36px;background:rgba(255,255,255,.2);}
.hero-visual{position:relative;}
.hero-visual::before{
  content:'';position:absolute;top:-20px;right:-20px;width:100%;height:100%;
  border:2px solid rgba(255,255,255,.25);border-radius:var(--radius-lg);
  z-index:0;
}
.hero-card{
  position:relative;z-index:1;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:0 16px 48px rgba(0,0,0,.22);
}
.hero-card img{width:100%;height:340px;object-fit:cover;}
.hero-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,63,56,.4),transparent 40%);
}
.hero-badge{
  position:absolute;bottom:18px;left:18px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--color-primary-dark);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
  display:flex;align-items:center;gap:6px;
}
.hero-badge svg{width:14px;height:14px;}
@media(max-width:1023px){
  .hero{padding:60px 0;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:500px;}
}
@media(max-width:640px){
  .hero{padding:48px 0;}
  .hero h1{font-size:28px;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{gap:18px;}
  .stat-num{font-size:24px;}
  .hero-card img{height:220px;}
}

/* ============ 板块标题 ============ */
.section-heading{margin-bottom:40px;}
.section-heading h2{
  font-size:28px;font-weight:700;line-height:1.35;color:var(--color-text);
  padding-left:16px;border-left:4px solid var(--color-accent);
  margin-bottom:10px;
}
.section-heading p{font-size:15px;color:var(--color-text-secondary);padding-left:20px;}

/* ============ 活动卖点 ============ */
.features{padding:80px 0;}
.features-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.feature-card{
  background:var(--color-surface);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);
  border-bottom:3px solid var(--color-border);
  transition:transform .25s ease,box-shadow .25s ease;
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:3px;
  background:var(--color-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.feature-card:hover::before{transform:scaleX(1);}
.feature-icon{
  font-size:36px;line-height:1;margin-bottom:18px;display:block;
  background:rgba(14,94,84,.08);width:56px;height:56px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;color:var(--color-primary);
}
.feature-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.feature-card p{font-size:14px;color:var(--color-text-secondary);line-height:1.65;}
@media(max-width:1023px){
  .features-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:640px){
  .features{padding:48px 0;}
  .features-grid{grid-template-columns:1fr;}
  .section-heading h2{font-size:22px;}
}

/* ============ 图墙 ============ */
.gallery-section{padding:80px 0;background:var(--color-surface);border-top:1px solid var(--color-border);}
.gallery-heading{display:flex;justify-content:space-between;align-items:flex-end;}
.gallery-heading .view-all{
  font-size:15px;font-weight:600;color:var(--color-primary);
  padding-bottom:10px;border-bottom:2px solid transparent;transition:border-color .25s ease;
}
.gallery-heading .view-all:hover{border-color:var(--color-primary);}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.gallery-item{
  border-radius:var(--radius-lg);overflow:hidden;
  background:var(--color-surface);
  transition:transform .25s ease,box-shadow .25s ease;
}
.gallery-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.gallery-img{
  position:relative;border-radius:16px;overflow:hidden;
  aspect-ratio:16/10;
}
.gallery-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.gallery-item:hover .gallery-img img{transform:scale(1.05);}
.gallery-img::after{
  content:'';position:absolute;inset:0;
  background:rgba(14,94,84,0);transition:background .35s ease;
}
.gallery-item:hover .gallery-img::after{background:rgba(14,94,84,0.06);}
.gallery-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(233,246,241,.92);color:var(--color-primary-dark);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.gallery-item h3{font-size:17px;font-weight:600;margin:18px 0 6px;padding:0 4px;transition:color .25s ease;}
.gallery-item:hover h3{color:var(--color-primary);}
.gallery-item p{font-size:14px;color:var(--color-text-secondary);padding:0 4px 20px;}
@media(max-width:1023px){
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:640px){
  .gallery-section{padding:48px 0;}
  .gallery-grid{grid-template-columns:1fr;}
}

/* ============ CTA 大区块 ============ */
.cta-band{
  background:var(--gradient-accent);
  padding:80px 24px;text-align:center;
}
.cta-band h2{
  font-size:30px;font-weight:700;color:var(--color-primary-dark);
  margin-bottom:12px;
}
.cta-band p{
  font-size:16px;color:rgba(31,42,38,.7);
  margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto;
}
@media(max-width:640px){
  .cta-band{padding:48px 16px;}
  .cta-band h2{font-size:24px;}
}

/* ============ 资讯列表 ============ */
.latest-section{padding:80px 0;}
.latest-layout{display:grid;grid-template-columns:7fr 3fr;gap:48px;}
.post-list{display:flex;flex-direction:column;gap:16px;}
.post-item{
  background:var(--color-surface);border-radius:var(--radius-md);
  padding:20px 24px;border:1px solid var(--color-border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.post-item:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-2px);
  border-color:transparent;
}
.post-content{flex:1;min-width:0;}
.post-content h3{
  font-size:18px;font-weight:600;margin-bottom:6px;
  transition:color .25s ease;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.post-item:hover .post-content h3{color:var(--color-primary);}
.post-excerpt{
  font-size:14px;color:var(--color-text-secondary);
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;
  margin-bottom:10px;
}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.post-time{font-size:13px;color:var(--color-text-secondary);}
.post-cat{
  font-size:12px;font-weight:600;color:var(--color-primary);
  background:rgba(14,94,84,.08);
  padding:2px 10px;border-radius:999px;
}
.post-arrow{
  font-size:16px;color:var(--color-primary);font-weight:600;
  opacity:.5;transition:opacity .25s ease,transform .25s ease;
  flex-shrink:0;
}
.post-item:hover .post-arrow{opacity:1;transform:translateX(4px);}
.empty-state{
  text-align:center;padding:60px 20px;background:var(--color-surface);
  border-radius:var(--radius-lg);border:1px dashed var(--color-border);
}
.empty-state p{font-size:15px;color:var(--color-text-secondary);}
.latest-side{display:flex;flex-direction:column;gap:24px;}
.side-card{
  background:var(--color-surface);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:17px;font-weight:600;margin-bottom:16px;
  padding-bottom:12px;border-bottom:1px solid var(--color-border);
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:'';width:4px;height:18px;background:var(--color-accent);border-radius:2px;
}
.side-cats{display:flex;flex-direction:column;gap:8px;}
.side-cat{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px;border-radius:var(--radius-sm);
  background:var(--color-bg);border:1px solid transparent;
  transition:all .25s ease;font-size:14px;font-weight:500;
}
.side-cat:hover{background:rgba(14,94,84,.06);border-color:var(--color-primary);color:var(--color-primary);}
.side-count{
  font-size:12px;font-weight:600;color:var(--color-text-secondary);
  background:var(--color-surface);padding:2px 8px;border-radius:999px;
}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-tag{
  font-size:13px;padding:5px 12px;border-radius:999px;
  background:var(--color-bg);color:var(--color-text-secondary);
  transition:all .25s ease;border:1px solid var(--color-border);
}
.side-tag:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary);}
@media(max-width:1023px){
  .latest-layout{grid-template-columns:1fr;}
  .latest-side{flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1;min-width:240px;}
}
@media(max-width:640px){
  .latest-section{padding:48px 0;}
  .post-item{flex-direction:column;align-items:flex-start;padding:16px;}
  .post-arrow{display:none;}
  .latest-side{flex-direction:column;}
}

/* ============ FAQ ============ */
.faq-section{padding:80px 0;background:var(--color-surface);border-top:1px solid var(--color-border);}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-col{display:flex;flex-direction:column;gap:16px;}
.faq-item{
  background:var(--color-bg);border-radius:var(--radius-md);
  padding:0;overflow:hidden;border:1px solid var(--color-border);
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:var(--color-primary);}
.faq-item.open{background:#FAF8F4;}
.faq-question{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;cursor:pointer;user-select:none;
}
.faq-num{
  font-size:15px;font-weight:700;color:var(--color-accent);
  font-variant-numeric:tabular-nums;flex-shrink:0;
}
.faq-question-text{
  flex:1;font-size:16px;font-weight:600;color:var(--color-text);
  transition:color .25s ease;
}
.faq-item.open .faq-question-text{color:var(--color-primary);}
.faq-toggle{
  width:26px;height:26px;border-radius:50%;
  background:rgba(14,94,84,.08);color:var(--color-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:500;flex-shrink:0;
  transition:transform .3s ease,background .3s ease;
  line-height:1;
}
.faq-item.open .faq-toggle{transform:rotate(45deg);background:var(--color-primary);color:#fff;}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.faq-answer-inner{
  padding:0 20px 20px 50px;font-size:14px;color:var(--color-text-secondary);
  line-height:1.75;
}
@media(max-width:1023px){
  .faq-grid{grid-template-columns:1fr;}
}
@media(max-width:640px){
  .faq-section{padding:48px 0;}
  .faq-question{padding:15px 16px;}
  .faq-question-text{font-size:15px;}
  .faq-answer-inner{padding:0 16px 16px 44px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--color-primary-dark);color:#fff;
  border-top:2px solid var(--color-accent);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1.5fr;gap:48px;
  padding-bottom:48px;
}
.footer-brand .brand-logo{
  justify-content:flex-start;padding:0;margin-bottom:16px;
}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:var(--color-accent-light);border-color:var(--color-accent-light);}
.footer-desc{
  font-size:14px;color:rgba(255,255,255,.6);line-height:1.7;max-width:280px;
}
.footer-col-title{
  font-size:14px;font-weight:600;color:#fff;
  margin-bottom:18px;letter-spacing:.5px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.7);
  transition:color .25s ease,padding-left .25s ease;
}
.footer-links a:hover{color:var(--color-accent-light);padding-left:4px;}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact-item{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:rgba(255,255,255,.7);
}
.footer-contact-item svg{width:16px;height:16px;flex-shrink:0;color:var(--color-accent-light);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;text-align:center;
}
.footer-bottom p{
  font-size:13px;color:rgba(255,255,255,.4);
}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:640px){
  .site-footer{padding:48px 0 0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
}

/* ============ 通用辅助 ============ */
.section-sub{margin-bottom:60px;}
.text-center{text-align:center;}
.mt-16{margin-top:16px;}
.mt-32{margin-top:32px;}

/* roulang page: article */
:root {
  --color-primary: #0E5E54;
  --color-primary-light: #1A7A6B;
  --color-primary-dark: #083F38;
  --color-accent: #C9A76B;
  --color-accent-light: #E2C98F;
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-text: #1F2A26;
  --color-text-secondary: #55665F;
  --color-border: #E5E0D6;
  --color-success: #2E9E6B;
  --color-warning: #D9822B;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 24px rgba(14, 94, 84, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(14, 94, 84, 0.14);
  --shadow-btn: 0 4px 12px rgba(14, 94, 84, 0.25);
  --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
}

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

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

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

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

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

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(14, 94, 84, 0.25);
  outline-offset: 2px;
  border-radius: 4px;
}

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

/* ============ Header & Nav ============ */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(14, 94, 84, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}

.brand-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
  z-index: 2;
}

.brand-main {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-sub {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  border-top: 1px solid var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding: 2px 4px;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 8px 2px;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-primary-dark);
  flex-direction: column;
  padding: 32px 24px;
  z-index: 99;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-nav a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  font-weight: 500;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.mobile-nav.open {
  transform: translateX(0);
}

/* ============ Breadcrumb ============ */
.breadcrumb-bar {
  background: #F1F0EB;
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: '/';
  color: #B9C2BD;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb .current {
  font-weight: 600;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 420px;
}

/* ============ Article Page ============ */
.article-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.article-header {
  max-width: 800px;
  margin: 0 auto 36px;
  text-align: center;
}

.article-header h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.meta-category {
  display: inline-block;
  background: rgba(14, 94, 84, 0.08);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}

.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

.article-content > * + * {
  margin-top: 1.2em;
}

.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.35;
  margin-top: 44px;
  margin-bottom: 18px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 36px;
  margin-bottom: 14px;
}

.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-content p {
  margin: 0 0 1.2em;
}

.article-content ul {
  margin: 0 0 1.2em;
  padding-left: 24px;
  list-style: none;
}

.article-content ul li {
  margin-bottom: 8px;
  position: relative;
}

.article-content ul li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  position: absolute;
  left: -18px;
  top: 10px;
}

.article-content ol {
  margin: 0 0 1.2em;
  padding-left: 24px;
}

.article-content ol li {
  margin-bottom: 8px;
  padding-left: 4px;
}

.article-content blockquote {
  margin: 24px 0;
  padding: 18px 20px;
  background: #F2F6F4;
  border-left: 4px solid var(--color-primary);
  border-radius: 8px;
  color: var(--color-text-secondary);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 20px 0;
}

.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: var(--color-primary-light);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

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

.article-content table th {
  background: #F4F7F6;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.article-content code {
  background: #F0F2F1;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}

.article-content pre {
  background: #F0F2F1;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
}

/* ============ Related Section ============ */
.related-section {
  padding: 64px 0 80px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-heading h2 {
  font-size: 28px;
  font-weight: 700;
  position: relative;
  padding-left: 18px;
}

.section-heading h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: var(--color-accent);
  border-radius: 4px;
}

.section-heading p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--color-surface);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition: all 0.25s ease;
}

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

.related-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #EDEBE4;
}

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

.related-card:hover .related-img img {
  transform: scale(1.05);
}

.related-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.related-body {
  padding: 18px 20px 20px;
}

.related-body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.related-card:hover .related-body h3 {
  color: var(--color-primary);
}

.related-body p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-date {
  font-size: 13px;
  color: #8A9690;
}

/* ============ Back Button ============ */
.article-back {
  margin-top: 48px;
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  box-shadow: 0 8px 20px rgba(14, 94, 84, 0.3);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: rgba(14, 94, 84, 0.06);
  border-color: var(--color-primary-light);
}

.btn-outline:active {
  transform: translateY(1px);
}

/* ============ Not Found ============ */
.not-found {
  padding: 120px 24px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.not-found-icon {
  font-size: 56px;
  line-height: 1;
  margin-bottom: 20px;
}

.not-found h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.not-found p {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--color-primary-dark);
  border-top: 2px solid var(--color-accent);
  padding: 64px 0 0;
  color: rgba(255, 255, 255, 0.75);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.site-footer .brand-logo {
  position: static;
  transform: none;
  display: inline-flex;
  margin-bottom: 14px;
}

.site-footer .brand-main {
  color: #fff;
  font-size: 20px;
}

.site-footer .brand-sub {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
  margin: 0;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: color 0.2s ease;
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .nav-left,
  .nav-right {
    gap: 20px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    height: 64px;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .brand-main {
    font-size: 20px;
  }

  .brand-sub {
    font-size: 11px;
  }

  .mobile-nav {
    display: flex;
    top: 64px;
  }

  .breadcrumb .current {
    max-width: 220px;
  }

  .article-wrap {
    padding: 32px 16px 48px;
  }

  .article-header h1 {
    font-size: 24px;
  }

  .article-meta {
    gap: 10px;
  }

  .article-content {
    font-size: 15px;
  }

  .related-section {
    padding: 40px 0 48px;
  }

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

  .section-heading {
    flex-direction: column;
    gap: 8px;
  }

  .section-heading h2 {
    font-size: 22px;
  }

  .article-back {
    margin-top: 32px;
  }

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

  .footer-bottom {
    padding: 16px 0;
  }
}

/* roulang page: category1 */
:root {
  --color-primary: #0E5E54;
  --color-primary-light: #1A7A6B;
  --color-primary-dark: #083F38;
  --color-accent: #C9A76B;
  --color-accent-light: #E2C98F;
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-text: #1F2A26;
  --color-text-secondary: #55665F;
  --color-border: #E5E0D6;
  --color-success: #2E9E6B;
  --color-warning: #D9822B;
  --gradient-brand: linear-gradient(135deg, #0E5E54 0%, #1A7A6B 55%, #2FA88A 100%);
  --gradient-accent: linear-gradient(135deg, #C9A76B 0%, #B8844A 100%);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 24px rgba(14, 94, 84, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(14, 94, 84, 0.14);
  --shadow-btn: 0 4px 12px rgba(14, 94, 84, 0.25);
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
  --spacing-section: 80px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .2s ease;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4 {
  line-height: 1.3;
  font-weight: 700;
}

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

.no-scroll {
  overflow: hidden;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 2px;
  position: relative;
  transition: color .25s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

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

.nav-link:hover::after {
  transform: scaleX(1);
}

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

.nav-link.active::after {
  transform: scaleX(1);
}

.brand-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-main {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: -0.5px;
}

.brand-sub {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  border-top: 1px solid var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding: 2px 2px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(14, 94, 84, 0.08);
  transition: background .25s ease;
}

.nav-toggle:hover {
  background: rgba(14, 94, 84, 0.14);
}

.nav-toggle .bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-primary-dark);
  padding: 96px 32px 32px;
  display: flex;
  flex-direction: column;
  z-index: 98;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 22px;
  font-weight: 500;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  text-decoration: none;
  transition: color .2s ease;
}

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

.mobile-drawer a.active {
  color: var(--color-accent);
  font-weight: 600;
}

.mobile-drawer a.drawer-cta {
  color: var(--color-accent);
  font-weight: 600;
  border-bottom: none;
  margin-top: 16px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 12px;
  transition: all .25s ease;
  text-decoration: none;
  box-shadow: var(--shadow-btn);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-primary-dark);
}

.btn-accent:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(184, 132, 74, 0.35);
}

.btn-accent:active {
  transform: translateY(1px);
  box-shadow: 0 4px 10px rgba(184, 132, 74, 0.3);
}

.btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  box-shadow: none;
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.btn-ghost-light:active {
  transform: translateY(1px);
}

.btn-dark {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(8, 63, 56, 0.3);
}

.btn-dark:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(8, 63, 56, 0.4);
}

.btn-dark:active {
  transform: translateY(1px);
}

/* ===== Hero ===== */
.category-hero {
  position: relative;
  padding: 110px 0 68px;
  background:
    linear-gradient(135deg, rgba(14, 94, 84, 0.93) 0%, rgba(26, 122, 107, 0.88) 55%, rgba(47, 168, 138, 0.82) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.category-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.08) 0, transparent 40%),
    radial-gradient(circle at 82% 76%, rgba(201, 167, 107, 0.18) 0, transparent 42%);
  pointer-events: none;
}

.category-hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.category-hero h1 {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 580px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Section common ===== */
.section {
  padding: var(--spacing-section) 0;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 40px;
}

.heading-bar {
  width: 4px;
  height: 28px;
  border-radius: 4px;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.section-heading h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
}

.heading-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: 4px;
}

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

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

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(14, 94, 84, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ===== Activities ===== */
.activities-section {
  background: var(--color-bg);
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.activity-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: all .25s ease;
}

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

.activity-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.activity-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.activity-card:hover .activity-cover img {
  transform: scale(1.05);
}

.activity-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.activity-body {
  padding: 20px;
}

.activity-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  transition: color .25s ease;
}

.activity-card:hover .activity-body h3 {
  color: var(--color-primary);
}

.activity-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.activity-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.activity-time {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.activity-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.activity-link:hover {
  color: var(--color-primary-dark);
}

/* ===== Process ===== */
.process-section {
  background: var(--color-primary-dark);
  color: #fff;
}

.process-section .section-heading h2 {
  color: #fff;
}

.process-section .heading-desc {
  color: rgba(255, 255, 255, 0.65);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-item {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.process-item::before {
  content: '';
  position: absolute;
  top: 50px;
  right: -12px;
  width: 24px;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.process-item:last-child::before {
  display: none;
}

.process-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-variant-numeric: tabular-nums;
}

.process-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.process-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  max-width: 220px;
  margin: 0 auto;
}

/* ===== Scenario ===== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: all .25s ease;
}

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

.scenario-icon {
  color: var(--color-primary);
  margin-bottom: 16px;
}

.scenario-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.scenario-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ===== Stats ===== */
.stats-section {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 64px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 28px 24px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow .25s ease, transform .25s ease;
}

.stat-item:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

/* ===== FAQ ===== */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow .25s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-card);
}

.faq-question {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  transition: background .25s ease;
}

.faq-question:hover {
  background: rgba(14, 94, 84, 0.04);
}

.faq-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.faq-text {
  flex: 1;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(14, 94, 84, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  transition: transform .3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-item.open .faq-question {
  background: #FAF8F4;
  font-weight: 600;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  padding: 0 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 20px 20px;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--gradient-accent);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section h2 {
  font-size: 28px;
  color: var(--color-primary-dark);
  font-weight: 700;
}

.cta-section p {
  font-size: 16px;
  color: rgba(8, 63, 56, 0.75);
  margin-top: 8px;
  margin-bottom: 28px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  border-top: 2px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding: 56px 0 32px;
}

.footer-brand .brand-logo {
  position: static;
  transform: none;
  display: inline-flex;
  margin-bottom: 16px;
}

.footer-brand .brand-main {
  color: #fff;
  font-size: 24px;
  font-weight: 800;
}

.footer-brand .brand-sub {
  color: var(--color-accent);
  border-top: 1px solid var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin: 12px 0 0;
  max-width: 320px;
}

.footer-col-title {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: color .2s ease;
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .process-item::before {
    display: none;
  }

  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 767px) {
  :root {
    --spacing-section: 48px;
  }

  .container {
    padding: 0 16px;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header-inner {
    height: 64px;
  }

  .brand-logo {
    left: 50%;
    transform: translateX(-50%);
  }

  .brand-main {
    font-size: 20px;
  }

  .brand-sub {
    font-size: 11px;
  }

  .category-hero {
    padding: 80px 0 48px;
  }

  .category-hero h1 {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 16px;
  }

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

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

  .section-heading h2 {
    font-size: 22px;
  }

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

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

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

  .process-item {
    padding: 24px 16px;
  }

  .process-item p {
    max-width: 300px;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 26px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 24px;
  }

  .cta-section h2 {
    font-size: 24px;
  }

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

/* roulang page: category2 */
:root {
  --color-primary: #0E5E54;
  --color-primary-light: #1A7A6B;
  --color-primary-dark: #083F38;
  --color-accent: #C9A76B;
  --color-accent-light: #E2C98F;
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-text: #1F2A26;
  --color-text-secondary: #55665F;
  --color-border: #E5E0D6;
  --color-success: #2E9E6B;
  --color-warning: #D9822B;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 24px rgba(14,94,84,0.08);
  --shadow-hover: 0 12px 32px rgba(14,94,84,0.14);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

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

/* ======== Header ======== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  position: relative;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 2px;
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

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

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

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

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

.header-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-main {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.logo-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  padding: 2px 10px;
  border-top: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  letter-spacing: 2px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--color-primary);
  gap: 5px;
  z-index: 120;
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-primary-dark);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
  z-index: 110;
  padding: 40px 24px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 22px;
  font-weight: 500;
  padding: 20px 0;
  text-align: center;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color 0.3s ease;
}

.mobile-menu a:hover {
  color: var(--color-accent-light);
}

.mobile-menu a.active {
  color: var(--color-accent-light);
  font-weight: 600;
}

/* ======== Breadcrumb ======== */
.breadcrumb-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.breadcrumb-bar .container {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb-bar a {
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.breadcrumb-bar a:hover {
  color: var(--color-primary);
}

.breadcrumb-bar .current {
  color: var(--color-text);
  font-weight: 600;
}

.breadcrumb-sep {
  color: var(--color-border);
}

/* ======== Hero ======== */
.page-hero {
  position: relative;
  padding: 100px 0 90px;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity: 0.18;
  mix-blend-mode: overlay;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: 60px;
  right: 10%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(201, 167, 107, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  color: #fff;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.page-hero h1 .accent-dot {
  color: var(--color-accent);
  font-size: 44px;
  line-height: 1;
  margin-left: 6px;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent) 0%, #B8844A 100%);
  color: var(--color-primary-dark);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(201, 167, 107, 0.3);
  transition: all 0.25s ease;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(201, 167, 107, 0.4);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  padding: 14px 32px;
  border-radius: 12px;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  transition: all 0.25s ease;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 44px;
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  display: flex;
  align-items: baseline;
}

.stat-number .unit {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-accent-light);
  margin-left: 3px;
}

.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 16px;
  max-width: 440px;
  width: 100%;
}

.hero-visual-card img {
  border-radius: 16px;
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.hero-float-card {
  position: absolute;
  background: var(--color-surface);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
}

.hero-float-card.fc-1 {
  top: 20px;
  left: -20px;
}

.hero-float-card.fc-2 {
  bottom: 30px;
  right: -10px;
}

.float-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.float-icon svg {
  width: 20px;
  height: 20px;
}

.float-text {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.float-text strong {
  display: block;
  font-size: 15px;
  color: var(--color-text);
  font-weight: 600;
}

/* ======== Section Base ======== */
.section {
  padding: 90px 0;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.section-title-group {
  max-width: 720px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  margin-bottom: 12px;
}

.section-title .bar {
  width: 4px;
  height: 28px;
  background: var(--color-accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
  flex-shrink: 0;
  margin-top: 8px;
}

.section-link:hover {
  gap: 12px;
}

.section-link svg {
  width: 16px;
  height: 16px;
}

/* ======== Feature Cards ======== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  box-shadow: var(--shadow-card);
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  transition: height 0.3s ease;
}

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

.feature-card:hover::before {
  height: 3px;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(14, 94, 84, 0.08), rgba(26, 122, 107, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

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

/* ======== Content Info Section ======== */
.info-section {
  background: var(--color-surface);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.info-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}

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

.info-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

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

.info-card:hover .info-card-img img {
  transform: scale(1.05);
}

.info-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(14, 94, 84, 0.06);
}

.info-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 999px;
  z-index: 2;
}

.info-card-body {
  padding: 24px;
}

.info-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
  transition: color var(--transition);
}

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

.info-card-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.info-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.info-meta .time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.info-meta .time svg {
  width: 14px;
  height: 14px;
}

.info-meta .read-link {
  margin-left: auto;
  color: var(--color-primary);
  font-weight: 500;
  transition: color 0.2s;
}

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

/* ======== Process Section ======== */
.process-section {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(14, 94, 84, 0.05), transparent 70%);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
  counter-reset: step;
  position: relative;
  z-index: 2;
}

.step-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  text-align: center;
}

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

.step-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.step-num::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 2px;
  background: var(--color-border);
}

.step-card h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.step-arrow {
  position: absolute;
  top: 50%;
  right: -20px;
  transform: translateY(-50%);
  color: var(--color-border);
  z-index: 3;
  font-size: 20px;
  pointer-events: none;
}

.step-card:last-child .step-arrow {
  display: none;
}

/* ======== Dark Feature Band ======== */
.dark-band {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.dark-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: 0.12;
  mix-blend-mode: overlay;
}

.dark-band .band-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.dark-band h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.4;
}

.dark-band p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 40px;
}

.band-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.band-stat {
  text-align: center;
}

.band-stat .num {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-accent-light);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.band-stat .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
}

/* ======== FAQ ======== */
.faq-section {
  background: var(--color-surface);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.faq-item {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 8px 20px;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease;
  margin-bottom: 0;
}

.faq-item.open {
  background: #FAF8F4;
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  user-select: none;
}

.faq-num {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  min-width: 32px;
}

.faq-question h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
  transition: color var(--transition);
}

.faq-item.open .faq-question h4 {
  color: var(--color-primary);
}

.faq-toggle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: transform 0.3s ease, background 0.3s ease;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
  background: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

/* ======== CTA Section ======== */
.cta-section {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-inner h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
  line-height: 1.4;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(31, 42, 38, 0.7);
  margin-bottom: 36px;
  line-height: 1.7;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 40px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(14, 94, 84, 0.25);
  transition: all 0.25s ease;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 8px 24px rgba(14, 94, 84, 0.35);
  transform: translateY(-2px);
}

/* ======== Footer ======== */
.site-footer {
  background: var(--color-primary-dark);
  padding: 70px 0 0;
  border-top: 2px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand .brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.footer-brand .brand-logo .brand-main {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
}

.footer-brand .brand-logo .brand-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-light);
  padding: 2px 10px;
  border-top: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  letter-spacing: 2px;
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease, transform 0.3s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-accent-light);
  transform: translateX(4px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ======== Responsive ======== */
@media (max-width: 1023px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .step-arrow {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    max-width: 480px;
    margin: 0 auto;
  }

  .hero-float-card.fc-1 {
    left: 0;
  }

  .hero-float-card.fc-2 {
    right: 0;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    height: 64px;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-logo {
    position: static;
    transform: none;
    margin-right: auto;
  }

  .header-inner {
    justify-content: flex-start;
    gap: 12px;
  }

  .logo-main {
    font-size: 22px;
  }

  .logo-sub {
    font-size: 12px;
    padding: 2px 8px;
  }

  .page-hero {
    padding: 60px 0 50px;
  }

  .page-hero h1 {
    font-size: 30px;
    line-height: 1.3;
  }

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

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn-accent,
  .hero-cta-group .btn-outline-light {
    width: 100%;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 40px;
  }

  .stat-item {
    min-width: calc(50% - 12px);
  }

  .hero-float-card.fc-1 {
    top: -10px;
    left: 8px;
    padding: 10px 14px;
  }

  .hero-float-card.fc-2 {
    bottom: 10px;
    right: 8px;
    padding: 10px 14px;
  }

  .section {
    padding: 56px 0;
  }

  .section-head {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
  }

  .section-title {
    font-size: 24px;
    gap: 10px;
  }

  .section-title .bar {
    height: 22px;
  }

  .section-subtitle {
    font-size: 15px;
  }

  .section-link {
    margin-top: 0;
  }

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

  .info-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .info-card-body {
    padding: 18px;
  }

  .steps {
    grid-template-columns: 1fr;
    margin-top: 35px;
  }

  .step-card {
    padding: 24px 18px;
  }

  .dark-band {
    padding: 56px 0;
  }

  .dark-band h2 {
    font-size: 24px;
  }

  .band-stats {
    gap: 30px;
  }

  .band-stat .num {
    font-size: 30px;
  }

  .faq-grid {
    gap: 8px;
  }

  .faq-question {
    padding: 14px 0;
    gap: 8px;
  }

  .faq-num {
    min-width: 26px;
    font-size: 13px;
  }

  .faq-question h4 {
    font-size: 15px;
  }

  .cta-section {
    padding: 56px 0;
  }

  .cta-inner h2 {
    font-size: 24px;
  }

  .btn-primary {
    width: 100%;
  }

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

  .footer-brand .brand-logo {
    margin-bottom: 12px;
  }

  .site-footer {
    padding-top: 50px;
  }
}

@media (max-width: 480px) {
  .page-hero h1 {
    font-size: 27px;
  }

  .hero-stats {
    gap: 16px;
  }

  .stat-number {
    font-size: 24px;
  }

  .stat-label {
    font-size: 12px;
  }

  .section-title {
    font-size: 22px;
  }

  .feature-card {
    padding: 24px 18px;
  }

  .info-card-body h3 {
    font-size: 17px;
  }

  .band-stat .num {
    font-size: 26px;
  }

  .band-stats {
    gap: 22px;
  }

  .footer-contact-item {
    font-size: 13px;
  }

  .footer-bottom p {
    font-size: 12px;
  }
}

/* ======== Animations ======== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* roulang page: category3 */
:root {
  --color-primary: #0E5E54;
  --color-primary-light: #1A7A6B;
  --color-primary-dark: #083F38;
  --color-accent: #C9A76B;
  --color-accent-light: #E2C98F;
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-text: #1F2A26;
  --color-text-secondary: #55665F;
  --color-border: #E5E0D6;
  --color-warning: #D9822B;
  --gradient-brand: linear-gradient(135deg, #0E5E54 0%, #1A7A6B 55%, #2FA88A 100%);
  --gradient-accent: linear-gradient(135deg, #C9A76B 0%, #B8844A 100%);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 24px rgba(14, 94, 84, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(14, 94, 84, 0.14);
  --shadow-btn: 0 4px 12px rgba(14, 94, 84, 0.25);
  --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}

input, textarea {
  font-family: inherit;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
  border: 1.5px solid transparent;
}

.btn-accent {
  background: var(--gradient-accent);
  color: #1F2A26;
  box-shadow: 0 4px 12px rgba(201, 167, 107, 0.3);
}

.btn-accent:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px 18px rgba(201, 167, 107, 0.4);
  transform: translateY(-2px);
}

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

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #FFFFFF;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 16px rgba(14, 94, 84, 0.35);
  transform: translateY(-2px);
}

.btn-light {
  background: #FFFFFF;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: #FFFFFF;
}

.site-header {
  position: relative;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: 8px;
  transition: color 0.25s ease;
}

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

.nav-link.active {
  font-weight: 700;
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary);
}

.brand-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.brand-main {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.brand-sub {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  border-top: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  line-height: 1.4;
  padding: 0 6px;
  margin-left: 4px;
  letter-spacing: 1px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.page-hero {
  position: relative;
  background-image: linear-gradient(135deg, rgba(8, 63, 56, 0.92), rgba(14, 94, 84, 0.88), rgba(26, 122, 107, 0.92)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  color: #FFFFFF;
  padding: 90px 0 80px;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 167, 107, 0.18) 0%, transparent 70%);
  top: -80px;
  right: -60px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--color-accent-light);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.page-hero h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #FFFFFF;
}

.hero-desc {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  padding-top: 28px;
  max-width: 700px;
}

.stat-item {
  padding: 0 32px;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
}

.stat-item:first-child {
  padding-left: 0;
  border-left: none;
}

.stat-num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: #FFFFFF;
}

.stat-label {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

.section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 44px;
}

.section-title {
  position: relative;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  padding-left: 18px;
  color: var(--color-text);
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: var(--color-accent);
}

.section-subtitle {
  margin-top: 12px;
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 560px;
}

.help-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.help-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

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

.help-card .icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.help-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.help-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.help-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

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

.scene-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.scene-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

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

.scene-card-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-border);
}

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

.scene-card:hover .scene-card-img img {
  transform: scale(1.05);
}

.scene-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(14, 94, 84, 0.06);
  transition: background 0.3s ease;
}

.scene-card-body {
  padding: 20px 20px 24px;
}

.scene-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.scene-card-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.scene-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(14, 94, 84, 0.1);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 12px;
}

.steps-wrap {
  background: linear-gradient(135deg, rgba(14, 94, 84, 0.05), rgba(201, 167, 107, 0.08));
  border-radius: 24px;
  padding: 48px 32px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-item {
  text-align: center;
  padding: 0 12px;
  position: relative;
}

.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -12px;
  width: 24px;
  height: 1px;
  background: var(--color-border);
}

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #FFFFFF;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: var(--shadow-btn);
  font-variant-numeric: tabular-nums;
}

.step-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

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

.faq-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 20px 0;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.faq-item.open {
  background: #FAF8F4;
  border-color: var(--color-primary-light);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 0 0 20px;
}

.faq-q-num {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  min-width: 32px;
  line-height: 1.6;
}

.faq-q-text {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  transition: color 0.25s ease;
}

.faq-toggle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(14, 94, 84, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  flex-shrink: 0;
  transition: transform 0.3s ease, background 0.3s ease;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: #FFFFFF;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding-bottom: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  border-top: 1px dashed var(--color-border);
  padding-top: 14px;
}

.cta-banner {
  background: var(--gradient-accent);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  top: -100px;
  right: -80px;
}

.cta-banner h2 {
  font-size: 28px;
  font-weight: 700;
  color: #1F2A26;
  margin-bottom: 12px;
  position: relative;
}

.cta-banner p {
  font-size: 16px;
  color: rgba(31, 42, 38, 0.75);
  margin-bottom: 28px;
  position: relative;
}

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

.support-panel {
  background: var(--color-primary-dark);
  border-radius: 24px;
  padding: 40px;
  color: #FFFFFF;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.support-item {
  text-align: center;
  padding: 20px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.support-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(201, 167, 107, 0.5);
}

.support-item .support-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-light);
}

.support-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.support-item p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.site-footer {
  background: var(--color-primary-dark);
  padding: 60px 0 0;
  margin-top: 0;
  border-top: 2px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand .brand-logo {
  position: static;
  transform: none;
  margin-bottom: 16px;
}

.footer-brand .brand-main {
  color: #FFFFFF;
  font-size: 24px;
}

.footer-brand .brand-sub {
  color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  max-width: 320px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--color-accent-light);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.7s ease forwards;
}

.fade-up.delay-1 { animation-delay: 0.1s; }
.fade-up.delay-2 { animation-delay: 0.2s; }
.fade-up.delay-3 { animation-delay: 0.3s; }
.fade-up.delay-4 { animation-delay: 0.4s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1023px) {
  .scene-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .step-item:not(:last-child)::after {
    display: none;
  }

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

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

  .support-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  .header-inner {
    height: 64px;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .brand-logo {
    position: static;
    transform: none;
    margin-right: auto;
  }

  .brand-main {
    font-size: 20px;
  }

  .brand-sub {
    font-size: 11px;
  }

  .mobile-menu-open .nav-left,
  .mobile-menu-open .nav-right {
    position: fixed;
    left: 0;
    right: 0;
    top: 64px;
    bottom: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    padding: 32px 24px;
    display: flex;
    z-index: 99;
    overflow-y: auto;
  }

  .mobile-menu-open .nav-right {
    top: 320px;
    bottom: auto;
    padding-top: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mobile-menu-open .nav-left .nav-link,
  .mobile-menu-open .nav-right .nav-link {
    color: #FFFFFF;
    font-size: 20px;
    font-weight: 500;
    padding: 18px 24px;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mobile-menu-open .nav-link.active {
    color: var(--color-accent-light);
  }

  .mobile-menu-open .nav-link.active::after {
    display: none;
  }

  .page-hero {
    padding: 64px 0 56px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

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

  .hero-stats {
    gap: 12px;
  }

  .stat-item {
    padding: 0 16px;
  }

  .stat-item:first-child {
    padding-left: 0;
  }

  .stat-num {
    font-size: 22px;
  }

  .stat-label {
    font-size: 12px;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 22px;
  }

  .section-head {
    margin-bottom: 32px;
  }

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

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

  .steps-wrap {
    padding: 32px 16px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .cta-banner {
    padding: 40px 24px;
  }

  .cta-banner h2 {
    font-size: 22px;
  }

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

  .support-panel {
    padding: 28px 16px;
  }

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

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

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