/* roulang page: index */
:root{
  --primary:#00A862;
  --primary-dark:#007A5A;
  --primary-light:#00C97A;
  --accent:#FF7A1A;
  --accent-light:#FF9A3D;
  --bg:#F7F9F8;
  --bg-alt:#EFF5F1;
  --card:#FFFFFF;
  --text:#1A2B24;
  --text-2:#4A5B52;
  --text-3:#8A9A91;
  --border:#E2EAE4;
  --r-lg:22px;
  --r-md:12px;
  --r-sm:8px;
  --shadow:0 2px 8px rgba(0,60,40,.04),0 12px 32px rgba(0,60,40,.08);
  --shadow-hover:0 4px 16px rgba(0,60,40,.08),0 16px 40px rgba(0,60,40,.12);
  --trans:all .3s ease;
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--trans)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input{font-family:inherit;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-alt{background:var(--bg-alt)}
.section-heading{text-align:center;max-width:640px;margin:0 auto 56px}
.section-heading h2{font-size:32px;font-weight:800;line-height:1.3;color:var(--text);letter-spacing:-.5px;position:relative;display:inline-block}
.section-heading h2::after{content:"";display:block;width:48px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--primary-light));margin:14px auto 0}
.section-heading p{color:var(--text-2);font-size:16px;margin-top:16px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;transition:var(--trans);border:1px solid transparent;cursor:pointer;text-decoration:none;min-height:44px;line-height:1}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 16px rgba(0,168,98,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,168,98,.35);color:#fff}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(0,168,98,.04)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-lg{padding:17px 40px;font-size:16px;min-height:52px}
.btn-sm{padding:8px 22px;font-size:14px;min-height:40px}
.btn-white{background:#fff;color:var(--text);box-shadow:0 4px 14px rgba(0,0,0,.15)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.2);color:var(--primary)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-size:20px;font-weight:800;color:var(--text);letter-spacing:-.3px}
.brand:hover{color:var(--text)}
.brand-icon{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;box-shadow:0 2px 8px rgba(0,168,98,.35)}
.main-nav{display:flex;align-items:center;gap:8px;flex:1}
.nav-link{padding:8px 18px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text-2);position:relative}
.nav-link:hover{color:var(--primary);background:var(--bg-alt)}
.nav-link.active{color:var(--primary);background:rgba(0,168,98,.08);font-weight:600}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{position:relative;display:flex;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:0 14px;height:42px;width:240px;transition:var(--trans)}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(0,168,98,.12)}
.search-box svg{flex-shrink:0;color:var(--text-3)}
.search-box input{border:none;background:transparent;flex:1;padding:0 10px;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:var(--text-3)}
.search-box kbd{background:#fff;border:1px solid var(--border);border-radius:6px;padding:2px 7px;font-size:12px;color:var(--text-3);font-family:inherit}
.search-panel{position:absolute;top:48px;left:0;right:0;background:#fff;border-radius:14px;box-shadow:var(--shadow-hover);padding:16px;border:1px solid var(--border);opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--trans);z-index:20}
.search-box:focus-within .search-panel{opacity:1;visibility:visible;transform:translateY(0)}
.sp-title{font-size:13px;color:var(--text-3);display:block;margin-bottom:10px}
.sp-tags{display:flex;flex-wrap:wrap;gap:8px}
.sp-tags a{font-size:13px;padding:5px 14px;border-radius:999px;background:var(--bg);color:var(--text-2)}
.sp-tags a:hover{background:rgba(0,168,98,.1);color:var(--primary)}
.icon-btn{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:var(--trans)}
.icon-btn:hover{background:var(--bg-alt);color:var(--primary)}
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:10px;background:var(--bg);padding:10px}
.menu-toggle span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;transition:var(--trans)}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,#008956 0%,#00A862 45%,#007A5A 100%);color:#fff;overflow:hidden;padding:110px 0 0}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.22}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,78,52,.15) 0%,rgba(0,60,40,.45) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto;padding-bottom:120px}
.hero-content h1{font-size:52px;font-weight:800;line-height:1.2;letter-spacing:-1px;margin-bottom:22px}
.hero-content p{font-size:19px;line-height:1.8;opacity:.92;max-width:600px;margin:0 auto 36px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.stats-bar{position:relative;z-index:3;background:rgba(255,255,255,.12);backdrop-filter:blur(16px);border-top:1px solid rgba(255,255,255,.15)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:28px 24px}
.stat-item{text-align:center}
.stat-item strong{display:block;font-size:32px;font-weight:800;line-height:1.2;color:#fff;letter-spacing:-.5px}
.stat-item span{display:block;font-size:14px;color:rgba(255,255,255,.78);margin-top:4px}

/* Features */
.features-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.features-list{display:flex;flex-direction:column;gap:24px}
.feature-item{display:flex;gap:18px;align-items:flex-start;padding:20px;border-radius:var(--r-md);background:var(--card);border:1px solid var(--border);transition:var(--trans)}
.feature-item:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;box-shadow:0 4px 12px rgba(0,168,98,.25)}
.feature-info h3{font-size:17px;font-weight:700;margin-bottom:4px;color:var(--text)}
.feature-info p{font-size:14px;color:var(--text-2);line-height:1.7}
.feature-showcase{position:relative;min-height:440px}
.showcase-card{position:absolute;width:72%;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--border);background:#fff;transition:var(--trans)}
.showcase-card:first-child{top:0;left:0;z-index:2}
.showcase-card.small{bottom:0;right:0;width:52%;z-index:1}
.showcase-card img{width:100%;height:220px;object-fit:cover}
.showcase-card.small img{height:150px}
.showcase-tag{position:absolute;bottom:14px;left:14px;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);color:#fff;padding:5px 14px;border-radius:999px;font-size:13px}

/* Requirements */
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.req-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:36px 32px;transition:var(--trans);box-shadow:var(--shadow)}
.req-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.req-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent-light));display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px;box-shadow:0 4px 14px rgba(255,122,26,.3)}
.req-card h3{font-size:19px;font-weight:700;margin-bottom:16px}
.req-card ul{display:flex;flex-direction:column;gap:10px}
.req-card li{font-size:14px;color:var(--text-2);padding-left:20px;position:relative;line-height:1.7}
.req-card li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}

/* Testimonials */
.testimonials{background:linear-gradient(180deg,#fff 0%,var(--bg-alt) 100%)}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.testimonial-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px;transition:var(--trans)}
.testimonial-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.t-stars{color:#FFB400;font-size:18px;letter-spacing:2px;margin-bottom:16px}
.t-text{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:24px}
.t-meta{display:flex;align-items:center;gap:12px}
.t-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0}
.t-name{font-weight:600;font-size:14px;color:var(--text)}
.t-source{font-size:13px;color:var(--text-3)}

/* Download */
.download{background:var(--bg)}
.download-inner{background:linear-gradient(135deg,#00A862,#007A5A);border-radius:var(--r-lg);padding:72px 48px;text-align:center;position:relative;overflow:hidden;box-shadow:var(--shadow-hover)}
.download-inner::before{content:"";position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.08)}
.download-inner::after{content:"";position:absolute;bottom:-80px;left:-40px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.06)}
.download-inner h2{font-size:34px;font-weight:800;color:#fff;margin-bottom:8px;position:relative;z-index:1}
.download-inner .version{color:rgba(255,255,255,.85);font-size:15px;margin-bottom:36px;position:relative;z-index:1}
.download-btns{display:flex;justify-content:center;flex-wrap:wrap;gap:18px;position:relative;z-index:1}
.btn-download{display:inline-flex;align-items:center;gap:8px;padding:18px 30px;border-radius:16px;font-size:16px;font-weight:700;background:#fff;color:var(--text);box-shadow:0 6px 20px rgba(0,0,0,.12);transition:var(--trans);min-width:150px;justify-content:center}
.btn-download:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.18);color:var(--primary)}

/* News */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-item{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:var(--trans)}
.news-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.news-item:first-child{grid-column:1/-1;background:linear-gradient(135deg,#00A862,#007A5A);border:none;color:#fff}
.news-item:first-child:hover{transform:scale(1.01)}
.news-content{display:block;padding:32px;height:100%}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.news-tag{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(0,168,98,.12);color:var(--primary);font-size:13px;font-weight:600}
.news-item:first-child .news-tag{background:rgba(255,255,255,.2);color:#fff}
.news-item:first-child .news-meta time{color:rgba(255,255,255,.8)}
.news-content h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text);line-height:1.5}
.news-item:first-child .news-content h3{font-size:24px;color:#fff}
.news-content p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:first-child .news-content p{color:rgba(255,255,255,.85);-webkit-line-clamp:3;font-size:15px}
.news-item .news-content time{font-size:13px;color:var(--text-3)}
.empty-state{background:var(--card);border:2px dashed var(--border);border-radius:var(--r-lg);padding:64px 32px;text-align:center}
.empty-icon{font-size:44px;margin-bottom:16px}
.empty-state p{font-size:16px;color:var(--text-2)}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{list-style:none;cursor:pointer;padding:24px 40px 24px 0;font-size:16px;font-weight:600;color:var(--text);position:relative;transition:var(--trans);display:block}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--primary);transition:var(--trans)}
.faq-item details[open] summary::after{transform:translateY(-50%) rotate(45deg);background:var(--primary);color:#fff}
.faq-item details[open] summary{color:var(--primary)}
.faq-item details p{padding:0 0 24px;font-size:15px;color:var(--text-2);line-height:1.8}

/* CTA */
.cta-section{position:relative;background:linear-gradient(135deg,#008956,#007A5A);padding:88px 0;overflow:hidden}
.cta-section::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.15}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:640px;margin:0 auto}
.cta-inner h2{font-size:36px;font-weight:800;color:#fff;margin-bottom:12px}
.cta-inner p{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:32px}
.cta-inner .btn-cta-group{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Footer */
.site-footer{background:#0D1F18;color:rgba(255,255,255,.7);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px}
.footer-brand .brand{color:#fff;font-size:22px;margin-bottom:16px;display:inline-flex}
.footer-brand .brand:hover{color:var(--primary-light)}
.footer-brand .brand-icon{background:linear-gradient(135deg,var(--primary),var(--primary-light))}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px}
.footer-col a{display:block;color:rgba(255,255,255,.65);font-size:14px;padding:6px 0;transition:var(--trans)}
.footer-col a:hover{color:var(--primary-light);padding-left:4px}
.footer-col p{font-size:14px;color:rgba(255,255,255,.55);line-height:1.8;margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;text-align:center}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.45)}

/* Responsive */
@media(max-width:1024px){
  .hero-content h1{font-size:40px}
  .features-grid{grid-template-columns:1fr;gap:48px}
  .feature-showcase{min-height:360px;margin-top:20px}
  .testimonial-grid{grid-template-columns:repeat(2,1fr)}
  .req-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .header-tools .search-box{width:200px}
}
@media(max-width:768px){
  .section{padding:72px 0}
  .header-inner{gap:16px}
  .main-nav{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:20px 24px;gap:4px;box-shadow:var(--shadow);border-bottom:1px solid var(--border);transform:translateY(-120%);transition:transform .35s ease;z-index:99}
  .main-nav.open{transform:translateY(0)}
  .nav-link{padding:14px 18px;font-size:16px;width:100%;text-align:center}
  .header-tools .search-box{display:none}
  .icon-btn{display:none}
  .menu-toggle{display:flex}
  .header-tools .btn-sm{display:inline-flex;margin-right:4px}
  .hero-content{padding-bottom:80px}
  .hero-content h1{font-size:32px}
  .hero-content p{font-size:16px}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:20px}
  .testimonial-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .news-item:first-child{grid-column:1}
  .download-inner{padding:48px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-inner h2{font-size:28px}
}
@media(max-width:520px){
  .header-tools .btn-sm{display:none}
  .hero-content h1{font-size:28px}
  .section-heading h2{font-size:26px}
  .feature-showcase{min-height:280px}
  .showcase-card img{height:150px}
  .showcase-card.small img{height:110px}
  .btn-download{width:100%;min-width:100%}
  .download-btns{gap:12px}
}

/* roulang page: category1 */
:root {
  --primary: #00A862;
  --primary-dark: #007A5A;
  --primary-light: #00C97A;
  --accent: #FF7A1A;
  --accent-light: #FF9A3D;
  --bg: #F7F9F8;
  --bg-alt: #EFF5F1;
  --card-bg: #FFFFFF;
  --text: #1A2B24;
  --text-secondary: #4A5B52;
  --text-muted: #8A9A91;
  --border: #E2EAE4;
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(0,60,40,.04);
  --shadow-lg: 0 12px 32px rgba(0,60,40,.08);
  --shadow-hover: 0 16px 40px rgba(0,60,40,.14);
  --transition: .25s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

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

input {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 1px 10px rgba(0, 60, 40, .06);
  height: 68px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  white-space: nowrap;
}

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

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 168, 98, .25);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(0, 168, 98, .08);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(0, 168, 98, .10);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

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

.search-wrap {
  position: relative;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 220px;
  height: 38px;
  padding: 0 14px;
  background: var(--bg-alt);
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: text;
  transition: all var(--transition);
}

.search-box:hover {
  border-color: var(--border);
  background: #fff;
}

.search-box:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 168, 98, .12);
}

.search-box svg {
  flex: none;
  width: 16px;
  height: 16px;
  stroke: var(--text-muted);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-kbd {
  flex: none;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  letter-spacing: .5px;
}

.search-panel {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 320px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 16px;
  z-index: 200;
}

.search-panel.show {
  display: block;
}

.search-panel h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.search-tags a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-alt);
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.search-tags a:hover {
  background: rgba(0, 168, 98, .10);
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 22px;
  transition: all var(--transition);
  white-space: nowrap;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 168, 98, .28);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 168, 98, .35);
}

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

.btn-outline:hover {
  background: rgba(0, 168, 98, .08);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-white {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .08);
}

.btn-white:hover {
  background: var(--bg-alt);
  transform: translateY(-1px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 122, 26, .28);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: #fff;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 16px 34px;
  font-size: 17px;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 168, 98, .25);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--bg-alt);
  color: var(--text);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.nav-toggle:hover {
  background: rgba(0, 168, 98, .10);
}

/* ========== Page Hero ========== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--primary-light) 100%);
  color: #fff;
  padding: 90px 0 80px;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: .12;
  mix-blend-mode: overlay;
}

.page-hero::after {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, .08), transparent 70%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .15);
  border: 1px solid rgba(255, 255, 255, .25);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
  backdrop-filter: blur(6px);
}

.page-hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.page-hero h1 span {
  background: linear-gradient(135deg, #fff, rgba(255, 255, 255, .85));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-hero p.hero-sub {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .9);
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
}

/* ========== Section Base ========== */
.section {
  padding: 80px 0;
}

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

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 12px;
  position: relative;
}

.section-head h2::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 22px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--primary-light));
  margin-right: 12px;
  vertical-align: -3px;
}

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

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

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 168, 98, .3);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(0, 168, 98, .25);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}

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

.content-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 168, 98, .3);
}

.content-cover {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.content-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

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

.card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(6px);
}

.content-body {
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.content-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}

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

.content-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}

.content-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.read-more {
  color: var(--primary);
  font-weight: 600;
}

.read-more:hover {
  color: var(--primary-dark);
}

/* ========== Stats ========== */
.stats-band {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.stats-band::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, .08), transparent 70%);
}

.stat-item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-num {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .8);
  margin-top: 6px;
}

/* ========== Steps ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-item {
  text-align: center;
  padding: 24px 16px;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(0, 168, 98, .28);
  margin-bottom: 16px;
}

.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 240px;
  margin: 0 auto;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item.active {
  border-color: rgba(0, 168, 98, .35);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
}

.faq-question h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
}

.faq-question:hover h3 {
  color: var(--primary);
}

.faq-icon {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--text-secondary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* ========== CTA ========== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: .10;
  mix-blend-mode: overlay;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, .85);
  max-width: 540px;
  margin: 0 auto 30px;
  position: relative;
}

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

.cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
  position: relative;
}

/* ========== Footer ========== */
.site-footer {
  background: #12231B;
  color: rgba(255, 255, 255, .7);
  padding: 60px 0 0;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  margin-bottom: 10px;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--primary-light);
}

.footer-brand .brand {
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .55);
}

.footer-col p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 6px;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .search-box {
    width: 180px;
  }

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

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

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

@media (max-width: 768px) {
  .site-header {
    height: 60px;
  }

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

  .main-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    gap: 6px;
    box-shadow: 0 12px 30px rgba(0, 60, 40, .10);
    transform: translateY(-120%);
    transition: transform .3s ease;
    z-index: 99;
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 15px;
  }

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

  .search-box {
    display: none;
  }

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

  .btn-sm-mobile {
    display: none;
  }

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

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

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

  .section {
    padding: 56px 0;
  }

  .section-head h2 {
    font-size: 26px;
  }

  .stats-band {
    grid-template-columns: repeat(2, 1fr);
    padding: 36px 20px;
  }

  .stat-num {
    font-size: 34px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cta-section {
    padding: 48px 24px;
  }

  .cta-section h2 {
    font-size: 26px;
  }

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

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

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

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

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

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

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

  .section-head h2 {
    font-size: 23px;
  }

  .content-cover {
    height: 200px;
  }
}

/* roulang page: article */
:root {
  --primary: #00A862;
  --primary-dark: #007A5A;
  --primary-light: #00C97A;
  --accent: #FF7A1A;
  --accent-light: #FF9A3D;
  --bg: #F7F9F8;
  --bg-sub: #EFF5F1;
  --card: #FFFFFF;
  --text: #1A2B24;
  --text-sub: #4A5B52;
  --text-weak: #8A9A91;
  --border: #E2EAE4;
  --r-lg: 24px;
  --r-md: 14px;
  --r-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(0,60,40,.04);
  --shadow-lg: 0 2px 8px rgba(0,60,40,.04), 0 12px 32px rgba(0,60,40,.08);
  --tr: all .3s ease;
  --container: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--tr); }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(0,168,98,.25);
}
.main-nav { display: flex; align-items: center; gap: 2px; }
.nav-link {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  transition: var(--tr);
}
.nav-link:hover { color: var(--primary); background: rgba(0,168,98,.06); }
.nav-link.active { color: var(--primary); background: rgba(0,168,98,.10); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-wrap { position: relative; }
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 220px;
  height: 40px;
  padding: 0 14px;
  background: var(--bg-sub);
  border-radius: 999px;
  border: 1px solid transparent;
  transition: var(--tr);
}
.search-box:hover { border-color: var(--primary); background: #fff; }
.search-box svg { color: var(--text-weak); flex-shrink: 0; }
.search-box input {
  flex: 1;
  border: none;
  background: none;
  outline: none;
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}
.search-box .kbd {
  font-size: 11px;
  color: var(--text-weak);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  white-space: nowrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--tr);
  cursor: pointer;
  text-align: center;
  gap: 8px;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,168,98,.2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,168,98,.3);
  color: #fff;
}
.btn-outline {
  background: #fff;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: rgba(0,168,98,.06); }
.btn-block { display: flex; width: 100%; }
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255,122,26,.2);
}
.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,122,26,.3);
}
.mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg-sub);
  color: var(--text);
  transition: var(--tr);
}
.mobile-toggle:hover { background: rgba(0,168,98,.1); color: var(--primary); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: #fff;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  z-index: 99;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 14px 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  border-radius: 10px;
  transition: var(--tr);
}
.mobile-menu a:hover { background: var(--bg-sub); color: var(--primary); }
.mobile-menu a.active { background: rgba(0,168,98,.08); color: var(--primary); font-weight: 600; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-weak); transition: var(--tr); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text-sub); font-weight: 500; }

/* Article Header */
.article-header {
  padding: 56px 0 40px;
  background: linear-gradient(180deg, rgba(0,168,98,.05), transparent);
  border-bottom: 1px solid var(--border);
}
.article-header h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  max-width: 860px;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
  color: var(--text-weak);
}
.article-meta .author {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-sub);
  font-weight: 500;
}
.article-meta .author::before {
  content: "";
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  background-image: url('/assets/images/coverpic/cover-1.png');
  background-size: cover;
  background-position: center;
}
.article-meta .tag {
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(0,168,98,.1);
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
}

/* Article Layout */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 56px;
  padding: 56px 0 64px;
}
.article-main {
  max-width: 780px;
  min-width: 0;
}
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}
.article-content p {
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.9;
}
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.3;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 12px;
  line-height: 1.4;
}
.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 10px;
}
.article-content ul,
.article-content ol {
  margin: 0 0 22px 24px;
  padding: 0;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 8px;
  line-height: 1.8;
}
.article-content ul li::marker { color: var(--primary); }
.article-content blockquote {
  margin: 28px 0;
  padding: 18px 28px;
  background: var(--bg-sub);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
}
.article-content blockquote p { margin-bottom: 8px; }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img {
  border-radius: var(--r-lg);
  margin: 28px 0;
  box-shadow: var(--shadow-lg);
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.article-content a:hover { color: var(--primary-dark); }
.article-content strong { font-weight: 700; color: var(--text); }
.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* Pager */
.article-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-pager a {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--bg-sub);
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 500;
  transition: var(--tr);
}
.article-pager a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.article-pager .pager-center { margin: 0 8px; }

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: 96px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
}
.sidebar-card {
  background: var(--card);
  border-radius: var(--r-lg);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--tr);
}
.sidebar-card:hover { box-shadow: var(--shadow-lg); }
.sidebar-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--bg-sub);
  color: var(--text);
}
.sidebar-post {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--tr);
}
.sidebar-post:last-of-type { border-bottom: none; padding-bottom: 0; }
.sidebar-post:first-of-type { padding-top: 0; }
.sidebar-post:hover { transform: translateX(4px); }
.sidebar-post img {
  width: 76px;
  height: 58px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.sidebar-post .post-info { min-width: 0; }
.sidebar-post h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 6px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.sidebar-post h4:hover { color: var(--primary); }
.sidebar-post span { font-size: 12px; color: var(--text-weak); }
.download-card {
  background: linear-gradient(160deg, var(--bg-sub), #fff);
}
.download-card .download-desc {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 18px;
}

/* Not Found */
.not-found {
  text-align: center;
  padding: 80px 32px;
  background: var(--card);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.not-found .nf-icon {
  font-size: 48px;
  margin-bottom: 20px;
  color: var(--text-weak);
}
.not-found h2 { font-size: 28px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.not-found p { color: var(--text-sub); margin-bottom: 28px; }

/* CTA */
.article-cta { padding-bottom: 8px; }
.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--r-lg);
  color: #fff;
  box-shadow: 0 12px 32px rgba(0,168,98,.25);
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}
.cta-banner::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
}
.cta-banner h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; color: #fff; }
.cta-banner p { font-size: 15px; color: rgba(255,255,255,.85); }
.cta-banner .btn-accent { position: relative; z-index: 1; flex-shrink: 0; }

/* Comment */
.comment-section {
  background: var(--card);
  border-radius: var(--r-lg);
  padding: 36px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 64px;
}
.comment-section h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--bg-sub);
}
.comment-placeholder {
  background: var(--bg-sub);
  border-radius: var(--r-md);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-sub);
}
.comment-placeholder p { font-size: 15px; margin-bottom: 20px; }
.comment-placeholder .btn { min-width: 120px; }

/* Footer */
.site-footer {
  background: linear-gradient(135deg, #18251F, #101B16);
  color: #fff;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  color: #fff;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,.55);
  font-size: 14px;
  margin-bottom: 10px;
  transition: var(--tr);
}
.footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-col p {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  margin-bottom: 8px;
  line-height: 1.8;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,.4);
  text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .search-box { width: 180px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .main-nav { display: none; }
  .search-wrap { display: none; }
  .header-actions .btn-primary { padding: 10px 18px; font-size: 14px; }
  .mobile-toggle { display: flex; }
  .article-header { padding: 40px 0 28px; }
  .article-header h1 { font-size: 28px; }
  .cta-banner { flex-direction: column; align-items: flex-start; padding: 32px; }
  .cta-banner .btn-accent { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .comment-section { padding: 24px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-layout { padding: 32px 0 40px; }
  .article-pager { flex-direction: column; align-items: stretch; text-align: center; }
  .article-pager a { justify-content: center; }
  .article-sidebar { grid-template-columns: 1fr; }
  .header-actions .btn-primary { display: none; }
  .article-header h1 { font-size: 24px; }
  .cta-banner h3 { font-size: 20px; }
}