/* roulang page: index */
:root{
  --brand:#e94f8a;
  --brand-2:#7a4bff;
  --accent:#ffb64d;
  --bg:#0f1020;
  --bg-2:#161834;
  --panel:#1c1f3f;
  --panel-2:#242851;
  --text:#f2f3fb;
  --muted:#a8adcf;
  --line:rgba(255,255,255,.08);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 12px 40px rgba(9,10,30,.45);
  --shadow-sm:0 6px 20px rgba(9,10,30,.35);
  --space:24px;
  --maxw:1200px;
  --t:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;height:auto}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,16,32,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:.5px;
  color:#fff;
}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;
  color:#fff;font-size:16px;font-weight:900;
  box-shadow:0 6px 18px rgba(233,79,138,.4);
}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  padding:10px 16px;border-radius:999px;
  font-size:15px;color:var(--muted);
  transition:all var(--t);
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a.active{color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 20px;border-radius:999px;
  background:#fff;color:#0f1020;font-weight:600;font-size:14px;
  transition:transform var(--t),box-shadow var(--t);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,255,255,.2);color:#0f1020}
.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06)}
.menu-toggle span{display:block;width:20px;height:2px;background:#fff;margin:4px auto;border-radius:2px}

/* Hero */
.hero{
  position:relative;
  padding:80px 0 100px;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(15,16,32,.4) 0%,rgba(15,16,32,.9) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 50% at 20% 30%,rgba(233,79,138,.25),transparent 60%),
             radial-gradient(50% 50% at 80% 70%,rgba(122,75,255,.25),transparent 60%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid var(--line);
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(233,79,138,.25)}
.hero h1{font-size:52px;color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:12px;font-size:15px;font-weight:600;
  transition:all var(--t);cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 10px 30px rgba(233,79,138,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(233,79,138,.5);color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff}
.hero-stats{display:flex;gap:32px;margin-top:44px}
.hero-stats .stat{border-left:2px solid var(--brand);padding-left:14px}
.hero-stats .num{display:block;font-size:26px;font-weight:800;color:#fff}
.hero-stats .lbl{font-size:13px;color:var(--muted)}

.hero-card{
  position:relative;
  padding:24px;border-radius:24px;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
}
.hero-card h4{color:#fff;font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hero-card h4::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-topic{
  display:flex;gap:12px;padding:12px;border-radius:12px;
  background:rgba(255,255,255,.04);
  transition:background var(--t);
  margin-bottom:8px;
}
.hero-topic:hover{background:rgba(255,255,255,.09)}
.hero-topic .idx{
  width:32px;height:32px;flex:0 0 32px;
  border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;
}
.hero-topic .info{flex:1;min-width:0}
.hero-topic .info strong{display:block;color:#fff;font-size:14px;margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-topic .info span{font-size:12px;color:var(--muted)}

/* Section */
.section{padding:80px 0}
.section-alt{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.section-head{text-align:center;max-width:720px;margin:0 auto 50px}
.section-head .kicker{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(233,79,138,.15);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:1px;margin-bottom:14px;
  text-transform:uppercase;
}
.section-head h2{font-size:38px;color:#fff}
.section-head p{color:var(--muted);font-size:16px}

/* Feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  padding:32px 28px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;inset:0 auto auto 0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(233,79,138,.4)}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(233,79,138,.2),rgba(122,75,255,.2));
  display:grid;place-items:center;font-size:24px;margin-bottom:20px;
  border:1px solid rgba(233,79,138,.3);
}
.feature-card h3{font-size:19px;color:#fff}
.feature-card p{color:var(--muted);font-size:14.5px;margin:0}

/* Category */
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:3/4;
  background:var(--panel);
  transition:transform var(--t);
}
.cat-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.cat-card:hover img{transform:scale(1.08)}
.cat-card:hover{transform:translateY(-4px)}
.cat-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,16,32,0) 30%,rgba(15,16,32,.95) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;color:#fff;
}
.cat-mask .tag{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:rgba(233,79,138,.9);font-size:11px;font-weight:600;
  margin-bottom:10px;width:fit-content;
}
.cat-mask h3{font-size:20px;margin-bottom:6px}
.cat-mask p{font-size:13px;color:rgba(255,255,255,.8);margin-bottom:14px}
.cat-mask .go{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--accent);font-weight:600;
}

/* Latest posts */
.posts{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.post{
  display:flex;gap:18px;padding:18px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);
  transition:all var(--t);
}
.post:hover{border-color:rgba(233,79,138,.4);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.post-thumb{
  width:120px;height:120px;flex:0 0 120px;border-radius:12px;overflow:hidden;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:28px;
}
.post-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:space-between}
.post-body h3{font-size:17px;color:#fff;margin-bottom:8px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a:hover{color:var(--brand)}
.post-body p{color:var(--muted);font-size:13.5px;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;gap:14px;font-size:12px;color:var(--muted)}
.post-meta .cat{color:var(--brand);font-weight:600}
.posts-empty{
  grid-column:1/-1;padding:60px;text-align:center;
  background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);
  color:var(--muted);
}

/* Showcase (image + text) */
.showcase{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.showcase-img{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.showcase-img img{width:100%;height:100%;object-fit:cover}
.showcase-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(233,79,138,.15),transparent 60%);
}
.showcase h2{font-size:36px;color:#fff}
.showcase .lead{color:var(--muted);font-size:16px;margin-bottom:24px}
.point-list{display:grid;gap:16px;margin-top:24px}
.point-item{display:flex;gap:14px;align-items:flex-start}
.point-item .num{
  width:32px;height:32px;flex:0 0 32px;border-radius:8px;
  background:rgba(233,79,138,.15);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:14px;
  border:1px solid rgba(233,79,138,.3);
}
.point-item h4{color:#fff;font-size:16px;margin-bottom:2px}
.point-item p{color:var(--muted);font-size:14px;margin:0}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:22px 26px;
  transition:border-color var(--t);
}
.faq-item:hover{border-color:rgba(233,79,138,.35)}
.faq-item summary{
  cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  color:#fff;font-weight:600;font-size:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";width:26px;height:26px;border-radius:50%;
  background:rgba(233,79,138,.15);color:var(--brand);
  display:grid;place-items:center;font-size:18px;font-weight:400;
  transition:transform var(--t);flex:0 0 26px;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:14px 0 0;color:var(--muted);font-size:14.5px}

/* CTA */
.cta-block{
  position:relative;overflow:hidden;
  padding:70px 50px;border-radius:28px;text-align:center;
  background:
    linear-gradient(120deg,rgba(15,16,32,.65),rgba(15,16,32,.3)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cta-block h2{font-size:36px;color:#fff;margin-bottom:14px}
.cta-block p{color:rgba(255,255,255,.85);font-size:16px;max-width:640px;margin:0 auto 30px}

/* Trust bar */
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{
  padding:28px 22px;text-align:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
}
.trust-item .val{font-size:34px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.trust-item .desc{color:var(--muted);font-size:13.5px;margin-top:4px}

/* Footer */
.site-footer{
  background:#0a0b1a;border-top:1px solid var(--line);
  padding:60px 0 30px;
}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-brand p{color:var(--muted);font-size:14px;max-width:320px}
.foot-col h5{font-size:14px;color:#fff;margin-bottom:16px;text-transform:uppercase;letter-spacing:1px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:color var(--t)}
.foot-col a:hover{color:#fff}
.foot-bottom{
  padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--muted);font-size:13px;
}

/* Responsive */
@media(max-width:1024px){
  .hero h1{font-size:42px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .trust-bar{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav{height:64px}
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;
    background:var(--bg-2);padding:14px;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:6px;}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 16px;border-radius:10px}
  .nav-cta{display:none}
  .menu-toggle{display:block}
  .hero{padding:60px 0 70px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .hero-stats{gap:20px;flex-wrap:wrap}
  .section{padding:60px 0}
  .section-head h2{font-size:28px}
  .showcase{grid-template-columns:1fr;gap:32px}
  .showcase h2{font-size:26px}
  .posts{grid-template-columns:1fr}
  .cta-block{padding:50px 24px}
  .cta-block h2{font-size:26px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:28px}
  .hero p.lead{font-size:15px}
  .feature-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr 1fr;gap:14px}
  .trust-bar{grid-template-columns:1fr 1fr}
  .foot-top{grid-template-columns:1fr;gap:28px}
  .post{flex-direction:column}
  .post-thumb{width:100%;height:160px;flex:none}
}

/* roulang page: article */
:root {
  --primary: #d63384;
  --primary-dark: #b72970;
  --secondary: #6c5ce7;
  --accent: #fd79a8;
  --bg-main: #fafafa;
  --bg-card: #ffffff;
  --text-primary: #2d3436;
  --text-secondary: #636e72;
  --text-muted: #95a5a6;
  --border-color: #e8e8e8;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 32px;
  --spacing-lg: 48px;
  --spacing-xl: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-main);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

button, input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
}

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

.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.8;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  gap: 4px;
}

.nav-menu a {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu a:hover {
  color: var(--primary);
  background: rgba(214, 51, 132, 0.06);
}

.nav-menu a.active {
  color: var(--primary);
  background: rgba(214, 51, 132, 0.1);
  font-weight: 600;
}

.article-hero {
  background: linear-gradient(135deg, rgba(214, 51, 132, 0.05), rgba(108, 92, 231, 0.05));
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.article-header {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.article-meta-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.meta-tag {
  padding: 6px 14px;
  background: white;
  border-radius: 20px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.meta-date {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.meta-date::before {
  content: "📅";
}

.article-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.article-excerpt {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto;
}

.article-main {
  padding: var(--spacing-lg) 0;
}

.article-wrapper {
  display: grid;
  grid-template-columns: 1fr minmax(auto, 860px) 1fr;
  gap: var(--spacing-md);
}

.article-content {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  grid-column: 2;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  margin-top: 32px;
  margin-bottom: 16px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text-primary);
}

.article-content h1 {
  font-size: 32px;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 12px;
}

.article-content h2 {
  font-size: 28px;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
}

.article-content h3 {
  font-size: 24px;
  color: var(--primary);
}

.article-content h4 {
  font-size: 20px;
}

.article-content p {
  margin-bottom: 20px;
  line-height: 1.9;
  font-size: 17px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 28px;
}

.article-content li {
  margin-bottom: 10px;
  line-height: 1.8;
}

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

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

.article-content img {
  margin: 32px 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.article-content blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(214, 51, 132, 0.04), rgba(108, 92, 231, 0.04));
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  font-style: italic;
  color: var(--text-secondary);
}

.article-content pre {
  background: #2d3436;
  color: #dfe6e9;
  padding: 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 24px 0;
  line-height: 1.6;
}

.article-content code {
  background: rgba(214, 51, 132, 0.08);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--primary);
  font-family: "Consolas", "Monaco", monospace;
}

.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}

.article-content th,
.article-content td {
  padding: 12px 16px;
  text-align: left;
  border: 1px solid var(--border-color);
}

.article-content th {
  background: rgba(214, 51, 132, 0.06);
  font-weight: 600;
  color: var(--primary);
}

.article-content hr {
  margin: 40px 0;
  border: none;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.not-found-box {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  grid-column: 2;
}

.not-found-icon {
  font-size: 72px;
  margin-bottom: 24px;
}

.not-found-box h2 {
  font-size: 28px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.not-found-box p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.not-found-box .btn-home {
  display: inline-block;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 16px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.not-found-box .btn-home:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.related-section {
  padding: var(--spacing-lg) 0;
  background: white;
}

.related-section h3 {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.related-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

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

.related-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(214, 51, 132, 0.1), rgba(108, 92, 231, 0.1));
}

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

.related-card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(214, 51, 132, 0.1);
  color: var(--primary);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}

.related-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
  color: var(--text-primary);
}

.related-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: var(--spacing-xl) 0;
  text-align: center;
  margin-top: var(--spacing-lg);
}

.cta-section h3 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-cta {
  display: inline-block;
  padding: 16px 40px;
  background: white;
  color: var(--primary);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 17px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.site-footer {
  background: #2d3436;
  color: #dfe6e9;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.foot-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.foot-brand p {
  font-size: 14px;
  color: #b2bec3;
  line-height: 1.7;
  margin-top: 12px;
}

.foot-col h5 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: white;
}

.foot-col a {
  display: block;
  font-size: 14px;
  color: #b2bec3;
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

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

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: #95a5a6;
  padding-top: var(--spacing-sm);
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 1024px) {
  .article-wrapper {
    grid-template-columns: 1fr;
  }
  
  .article-content,
  .not-found-box {
    grid-column: 1;
  }
  
  .foot-top {
    grid-template-columns: 1fr 1fr;
  }
  
  .foot-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    flex-direction: column;
    padding: 16px 0;
    gap: 16px;
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .article-title {
    font-size: 28px;
  }
  
  .article-excerpt {
    font-size: 16px;
  }
  
  .article-content {
    padding: var(--spacing-md);
  }
  
  .article-content h1 {
    font-size: 26px;
  }
  
  .article-content h2 {
    font-size: 22px;
  }
  
  .article-content h3 {
    font-size: 20px;
  }
  
  .article-content p {
    font-size: 16px;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
  }
  
  .foot-top {
    grid-template-columns: 1fr;
  }
  
  .foot-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .cta-section h3 {
    font-size: 24px;
  }
  
  .cta-section p {
    font-size: 16px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  
  .article-hero {
    padding: var(--spacing-md) 0 var(--spacing-sm);
  }
  
  .article-title {
    font-size: 24px;
  }
  
  .article-content {
    padding: 20px;
  }
  
  .nav-menu a {
    padding: 6px 12px;
    font-size: 14px;
  }
}

/* roulang page: category1 */
:root {
            --primary-color: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #818cf8;
            --accent-color: #ec4899;
            --accent-dark: #db2777;
            --text-primary: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --bg-body: #ffffff;
            --bg-section: #f8fafc;
            --bg-card: #ffffff;
            --border-color: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
            --shadow-hover: 0 8px 24px rgba(99,102,241,0.15);
            --transition: all 0.3s ease;
            --container-width: 1200px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button, input, textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }

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

        /* Header & Navigation */
        .site-header {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px var(--spacing-md);
            max-width: var(--container-width);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            transition: var(--transition);
        }

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

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 18px;
        }

        .nav-menu {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-menu a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }

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

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary-color);
        }

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

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            transition: var(--transition);
        }

        /* Hero Banner */
        .hero-banner {
            background: linear-gradient(135deg, rgba(99,102,241,0.95), rgba(236,72,153,0.9)),
                        url('/assets/images/backpic/back-1.webp') center/cover;
            padding: var(--spacing-xl) 0;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1), transparent);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 860px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.2);
            backdrop-filter: blur(8px);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
            border: 1px solid rgba(255,255,255,0.3);
        }

        .hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.5px;
        }

        .hero-content .subtitle {
            font-size: 20px;
            line-height: 1.6;
            opacity: 0.95;
            margin-bottom: var(--spacing-lg);
            font-weight: 400;
        }

        .hero-stats {
            display: flex;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
        }

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

        .stat-item .number {
            font-size: 36px;
            font-weight: 800;
            display: block;
            margin-bottom: 4px;
        }

        .stat-item .label {
            font-size: 14px;
            opacity: 0.9;
        }

        /* Section Common */
        section {
            padding: var(--spacing-xl) 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
            color: white;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }

        .section-desc {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Selection Process */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }

        .process-card {
            background: var(--bg-card);
            padding: var(--spacing-lg);
            border-radius: var(--radius-lg);
            border: 2px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }

        .process-card:hover {
            border-color: var(--primary-color);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .process-number {
            position: absolute;
            top: -16px;
            left: var(--spacing-md);
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            box-shadow: var(--shadow-md);
        }

        .process-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            margin-top: var(--spacing-sm);
            color: var(--text-primary);
        }

        .process-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 15px;
        }

        /* Content Categories */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }

        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-color);
        }

        .category-image {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--bg-section);
        }

        .category-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card:hover .category-image img {
            transform: scale(1.08);
        }

        .category-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(99,102,241,0.95);
            color: white;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 12px;
            border-radius: 50px;
            backdrop-filter: blur(8px);
        }

        .category-body {
            padding: var(--spacing-md);
        }

        .category-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            color: var(--text-primary);
        }

        .category-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }

        .category-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
        }

        .feature-item {
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .feature-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
        }

        .feature-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            color: var(--text-primary);
        }

        .feature-text p {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 15px;
        }

        /* Timeline */
        .timeline-container {
            max-width: 800px;
            margin: var(--spacing-lg) auto 0;
        }

        .timeline-item {
            display: flex;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
            position: relative;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 56px;
            bottom: -40px;
            width: 2px;
            background: var(--border-color);
        }

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

        .timeline-time {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            box-shadow: var(--shadow-md);
            z-index: 1;
        }

        .timeline-content {
            flex: 1;
            background: var(--bg-card);
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
        }

        .timeline-content h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            color: var(--text-primary);
        }

        .timeline-content p {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 15px;
        }

        /* FAQ */
        .faq-container {
            max-width: 900px;
            margin: var(--spacing-lg) auto 0;
        }

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

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: var(--spacing-md);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 28px;
            font-weight: 400;
            color: var(--primary-color);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.15), transparent);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }

        .cta-content p {
            font-size: 18px;
            margin-bottom: var(--spacing-lg);
            opacity: 0.95;
        }

        .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary-color);
            color: white;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-white {
            background: white;
            color: var(--primary-color);
        }

        .btn-white:hover {
            background: var(--bg-section);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background: transparent;
            border-color: white;
            color: white;
        }

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

        /* Footer */
        .site-footer {
            background: var(--text-primary);
            color: rgba(255,255,255,0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

        .foot-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .foot-brand .logo {
            color: white;
            margin-bottom: var(--spacing-sm);
        }

        .foot-brand p {
            line-height: 1.7;
            font-size: 14px;
            color: rgba(255,255,255,0.7);
        }

        .foot-col h5 {
            color: white;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }

        .foot-col a {
            display: block;
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .foot-col a:hover {
            color: white;
            padding-left: 4px;
        }

        .foot-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 40px;
            }

            .section-title {
                font-size: 32px;
            }

            .foot-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                gap: 0;
                padding: var(--spacing-sm);
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--border-light);
            }

            .nav-menu.active {
                display: flex;
            }

            .nav-menu a {
                padding: var(--spacing-sm);
                width: 100%;
                text-align: left;
            }

            .mobile-toggle {
                display: flex;
            }

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

            .hero-content .subtitle {
                font-size: 18px;
            }

            .hero-stats {
                gap: var(--spacing-md);
            }

            .stat-item .number {
                font-size: 28px;
            }

            .section-title {
                font-size: 28px;
            }

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

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

            .foot-top {
                grid-template-columns: 1fr;
            }

            .cta-content h2 {
                font-size: 28px;
            }

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

            .btn {
                width: 100%;
            }

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

        @media (max-width: 520px) {
            :root {
                --spacing-lg: 32px;
                --spacing-xl: 48px;
            }

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

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

            .hero-stats {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
        }

/* roulang page: category3 */
:root {
  --primary: #2D5A7B;
  --primary-dark: #1F4159;
  --accent: #E85D75;
  --accent-light: #FF7B92;
  --bg-main: #FAFBFC;
  --bg-secondary: #FFFFFF;
  --bg-hover: #F0F4F7;
  --text-primary: #1A2332;
  --text-secondary: #5A6A7A;
  --text-muted: #8A99A8;
  --border-color: #E1E8ED;
  --border-light: #EDF2F6;
  --shadow-sm: 0 2px 8px rgba(29,39,59,0.08);
  --shadow-md: 0 4px 16px rgba(29,39,59,0.12);
  --shadow-lg: 0 8px 28px rgba(29,39,59,0.16);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --spacing-unit: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-main);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button, input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
}

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

/* Header */
.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  transition: opacity 0.25s;
}

.logo:hover {
  opacity: 0.85;
}

.logo-mark {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.nav-menu {
  display: flex;
  gap: 4px;
}

.nav-menu a {
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
  position: relative;
}

.nav-menu a:hover {
  color: var(--primary);
  background: var(--bg-hover);
}

.nav-menu a.active {
  color: var(--primary);
  background: var(--bg-hover);
  font-weight: 600;
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Hero Banner */
.hero-banner {
  background: linear-gradient(135deg, rgba(45,90,123,0.95), rgba(232,93,117,0.9)), url('/assets/images/backpic/back-2.webp') center/cover;
  color: white;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.3);
}

.hero-banner h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-banner p {
  font-size: 19px;
  line-height: 1.8;
  opacity: 0.95;
  margin-bottom: 16px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 36px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: white;
}

.stat-label {
  font-size: 14px;
  opacity: 0.85;
  font-weight: 500;
}

/* Main Content */
.main-content {
  padding: 80px 0;
}

/* Section */
.section {
  margin-bottom: 80px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: white;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s ease;
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  margin: 0 auto 24px;
  box-shadow: var(--shadow-md);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Content Types */
.content-types {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.type-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.type-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--bg-hover), var(--border-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 8px;
}

.type-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* Featured Articles */
.featured-articles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.article-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.article-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--bg-hover), var(--border-light));
}

.article-body {
  padding: 28px;
}

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

.article-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-hover);
  color: var(--primary);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}

.article-read-time {
  font-size: 13px;
  color: var(--text-muted);
}

.article-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.article-excerpt {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.article-author {
  font-size: 14px;
  color: var(--text-muted);
}

.article-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-link:hover {
  color: var(--accent-light);
  gap: 10px;
}

/* Reading Guide */
.reading-guide {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}

.reading-guide::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.guide-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.reading-guide h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 24px;
}

.guide-list {
  display: grid;
  gap: 20px;
}

.guide-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.guide-number {
  min-width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

.guide-text {
  flex: 1;
}

.guide-text h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.guide-text p {
  font-size: 15px;
  opacity: 0.9;
  line-height: 1.7;
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.faq-question {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.faq-icon {
  color: var(--accent);
  font-weight: 800;
  min-width: 20px;
}

.faq-answer {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: 32px;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, rgba(232,93,117,0.95), rgba(255,123,146,0.95)), url('/assets/images/backpic/back-3.webp') center/cover;
  color: white;
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}

.cta-section p {
  font-size: 18px;
  opacity: 0.95;
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.5);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: white;
}

/* Footer */
.site-footer {
  background: var(--text-primary);
  color: white;
  padding: 64px 0 32px;
  margin-top: 80px;
}

.foot-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.foot-brand p {
  font-size: 15px;
  opacity: 0.8;
  line-height: 1.7;
}

.foot-col h5 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: white;
}

.foot-col a {
  display: block;
  font-size: 14px;
  opacity: 0.75;
  margin-bottom: 12px;
  transition: all 0.25s;
}

.foot-col a:hover {
  opacity: 1;
  color: var(--accent-light);
  padding-left: 4px;
}

.foot-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  opacity: 0.7;
  flex-wrap: wrap;
  gap: 16px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-banner h1 {
    font-size: 40px;
  }
  
  .section-header h2 {
    font-size: 32px;
  }
  
  .foot-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  
  .header-inner {
    height: 64px;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    gap: 0;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu a {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
  }
  
  .nav-menu a.active::after {
    display: none;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .hero-banner {
    padding: 60px 0;
  }
  
  .hero-banner h1 {
    font-size: 32px;
  }
  
  .hero-banner p {
    font-size: 17px;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }
  
  .stat-number {
    font-size: 28px;
  }
  
  .main-content {
    padding: 60px 0;
  }
  
  .section {
    margin-bottom: 60px;
  }
  
  .section-header {
    margin-bottom: 40px;
  }
  
  .section-header h2 {
    font-size: 28px;
  }
  
  .section-header p {
    font-size: 16px;
  }
  
  .feature-grid,
  .types-grid,
  .featured-articles {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .content-types {
    padding: 40px 28px;
  }
  
  .reading-guide,
  .cta-section {
    padding: 48px 28px;
  }
  
  .reading-guide h3,
  .cta-section h2 {
    font-size: 24px;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .foot-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .foot-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .hero-banner h1 {
    font-size: 28px;
  }
  
  .hero-banner p {
    font-size: 16px;
  }
  
  .section-header h2 {
    font-size: 24px;
  }
  
  .feature-card {
    padding: 28px 20px;
  }
  
  .article-image {
    height: 180px;
  }
  
  .article-body {
    padding: 20px;
  }
}

/* roulang page: category2 */
:root{
  --c-bg:#fbf7f2;
  --c-surface:#ffffff;
  --c-ink:#1f1a17;
  --c-ink-soft:#5c534d;
  --c-muted:#8f857e;
  --c-line:#ece3d8;
  --c-brand:#c8442a;
  --c-brand-deep:#9a2f1c;
  --c-accent:#f2b134;
  --c-hot:#e85c3a;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(30,20,10,.06);
  --sh-2:0 10px 30px rgba(30,20,10,.08);
  --sh-3:0 18px 50px rgba(200,68,42,.18);
  --sp:24px;
  --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--ff);
  color:var(--c-ink);
  background:var(--c-bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4,h5{margin:0 0 .5em;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}

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

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,247,242,.92);
  backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--c-ink)}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#fff;font-weight:900;font-size:18px;
  box-shadow:0 6px 16px rgba(200,68,42,.35);
}
.nav-menu{display:flex;gap:6px;align-items:center}
.nav-menu a{
  padding:9px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--c-ink-soft);
  transition:all .2s ease;
}
.nav-menu a:hover{background:#f4ebe0;color:var(--c-ink)}
.nav-menu a.active{background:var(--c-ink);color:#fff}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:#f4ebe0}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-ink);margin:4px auto;border-radius:2px}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:70px 0 90px;
  background:
    linear-gradient(180deg,rgba(251,247,242,.72) 0%,rgba(251,247,242,.9) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:auto -80px -120px auto;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(232,92,58,.22),transparent);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);
  font-size:13px;font-weight:600;color:var(--c-brand);
  box-shadow:var(--sh-1);
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--c-hot);box-shadow:0 0 0 4px rgba(232,92,58,.15);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}

.hero h1{
  font-size:clamp(34px,5vw,58px);
  line-height:1.15;margin:22px 0 20px;
  letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:var(--c-brand);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:var(--c-accent);opacity:.35;z-index:-1;border-radius:4px}
.hero-lead{font-size:18px;color:var(--c-ink-soft);max-width:640px;margin-bottom:32px}

.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:12px;
  font-size:15px;font-weight:600;
  transition:all .2s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--c-ink);color:#fff}
.btn-primary:hover{background:var(--c-brand);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-ink);color:var(--c-ink)}

.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stat strong{display:block;font-size:32px;font-weight:800;color:var(--c-ink);line-height:1.2}
.hero-stat span{font-size:13px;color:var(--c-muted);letter-spacing:.02em}

/* Sections */
.section{padding:80px 0}
.section-head{margin-bottom:44px;max-width:720px}
.section-tag{
  display:inline-block;padding:5px 12px;border-radius:6px;
  background:#fff2ea;color:var(--c-brand);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:14px;
}
.section-title{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.015em}
.section-lead{color:var(--c-ink-soft);font-size:16px;margin-top:10px}

/* Trending board */
.trend-board{
  display:grid;grid-template-columns:1.4fr 1fr;gap:28px;
}
.trend-main{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  min-height:460px;
  background:url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
  box-shadow:var(--sh-2);
}
.trend-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.1) 0%,rgba(0,0,0,.75) 100%);
}
.trend-main-body{
  position:absolute;left:0;right:0;bottom:0;padding:36px;
  color:#fff;z-index:2;
}
.hot-flag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:6px;
  background:var(--c-hot);color:#fff;font-size:12px;font-weight:700;
  margin-bottom:14px;
}
.trend-main h3{font-size:28px;line-height:1.35;margin-bottom:12px}
.trend-main p{color:rgba(255,255,255,.85);font-size:15px;margin:0}
.trend-meta{display:flex;gap:16px;margin-top:20px;font-size:13px;color:rgba(255,255,255,.75)}
.trend-meta span{display:inline-flex;align-items:center;gap:5px}

.trend-list{display:flex;flex-direction:column;gap:14px}
.trend-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px;background:#fff;
  border-radius:var(--r-md);
  border:1px solid var(--c-line);
  transition:all .2s ease;
}
.trend-item:hover{border-color:var(--c-brand);transform:translateX(4px);box-shadow:var(--sh-1)}
.trend-rank{
  flex-shrink:0;
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:#f4ebe0;color:var(--c-ink);
  font-weight:800;font-size:16px;
}
.trend-item.top-1 .trend-rank{background:var(--c-hot);color:#fff}
.trend-item.top-2 .trend-rank{background:var(--c-brand);color:#fff}
.trend-item.top-3 .trend-rank{background:var(--c-accent);color:#fff}
.trend-body h4{font-size:16px;margin-bottom:6px;line-height:1.45}
.trend-body p{font-size:13px;color:var(--c-muted);margin:0}
.trend-heat{
  margin-left:auto;font-size:12px;color:var(--c-hot);
  font-weight:700;white-space:nowrap;padding-top:10px;
}

/* Categories filter */
.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;
  padding:20px;background:#fff;
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  margin-bottom:36px;
}
.filter-chip{
  padding:9px 18px;border-radius:999px;
  background:#fbf7f2;color:var(--c-ink-soft);
  font-size:14px;font-weight:500;
  transition:all .2s ease;cursor:pointer;
}
.filter-chip:hover{background:#f4ebe0;color:var(--c-ink)}
.filter-chip.on{background:var(--c-ink);color:#fff}

/* Topic grid */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.topic-card{
  background:#fff;border-radius:var(--r-lg);
  overflow:hidden;border:1px solid var(--c-line);
  transition:all .25s ease;
  display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:transparent}
.topic-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#f4ebe0}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.topic-card:hover .topic-cover img{transform:scale(1.06)}
.topic-badge{
  position:absolute;top:14px;left:14px;
  padding:5px 11px;border-radius:6px;
  background:rgba(255,255,255,.94);
  font-size:12px;font-weight:700;color:var(--c-ink);
  backdrop-filter:blur(6px);
}
.topic-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.topic-title{font-size:19px;line-height:1.45;margin-bottom:10px}
.topic-desc{color:var(--c-ink-soft);font-size:14px;flex:1;margin-bottom:16px}
.topic-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-muted);
}
.topic-foot .heat{color:var(--c-hot);font-weight:700}

/* Timeline / today's picks */
.today-wrap{
  background:#fff;border-radius:var(--r-xl);
  padding:44px;border:1px solid var(--c-line);
}
.today-head{display:flex;align-items:end;justify-content:space-between;flex-wrap:wrap;gap:20px;margin-bottom:32px}
.today-head h2{margin:0;font-size:28px}
.today-head p{color:var(--c-muted);margin:0;font-size:14px}
.timeline{display:flex;flex-direction:column;gap:22px;position:relative}
.timeline::before{
  content:"";position:absolute;left:74px;top:8px;bottom:8px;
  width:2px;background:var(--c-line);
}
.time-row{display:grid;grid-template-columns:60px 1fr;gap:34px;position:relative}
.time-tag{
  font-size:14px;font-weight:700;color:var(--c-brand);
  padding-top:2px;position:relative;
}
.time-tag::after{
  content:"";position:absolute;right:-24px;top:6px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--c-brand);
  z-index:2;
}
.time-body h4{font-size:17px;margin-bottom:6px}
.time-body p{color:var(--c-ink-soft);font-size:14px;margin:0}
.time-body .tags{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.tag{
  padding:3px 10px;border-radius:6px;
  background:#fbf7f2;font-size:12px;color:var(--c-ink-soft);
  border:1px solid var(--c-line);
}

/* Voices */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice{
  background:#fff;border-radius:var(--r-lg);
  padding:28px;border:1px solid var(--c-line);
  position:relative;
}
.voice::before{
  content:"“";position:absolute;top:8px;right:22px;
  font-size:70px;color:var(--c-accent);opacity:.35;
  font-family:Georgia,serif;line-height:1;
}
.voice p{font-size:15px;color:var(--c-ink);margin-bottom:20px;position:relative;z-index:2}
.voice-user{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--c-brand),var(--c-accent));
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;
}
.voice-user strong{display:block;font-size:14px}
.voice-user span{font-size:12px;color:var(--c-muted)}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);margin-bottom:14px;
  overflow:hidden;transition:all .2s ease;
}
.faq-item[open]{border-color:var(--c-brand);box-shadow:var(--sh-1)}
.faq-item summary{
  padding:20px 24px;font-size:16px;font-weight:600;
  cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--c-brand);font-weight:400;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 24px 22px;color:var(--c-ink-soft);font-size:15px}

/* CTA */
.cta-box{
  background:linear-gradient(135deg,var(--c-ink) 0%,#3a2a20 100%);
  border-radius:var(--r-xl);padding:60px 48px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;top:-60px;right:-60px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(232,92,58,.4),transparent);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.cta-inner h2{color:#fff;font-size:32px;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.75);margin:0;font-size:15px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:180px;
  padding:14px 18px;border-radius:12px;
  background:rgba(255,255,255,.1);
  color:#fff;border:1px solid rgba(255,255,255,.2);
  font-size:15px;font-family:inherit;
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.15)}
.cta-form button{
  padding:14px 26px;border-radius:12px;
  background:var(--c-accent);color:var(--c-ink);
  font-weight:700;font-size:15px;
  transition:all .2s ease;
}
.cta-form button:hover{background:#fff}

/* Footer */
.site-footer{
  background:#1a1613;color:rgba(255,255,255,.7);
  padding:64px 0 28px;margin-top:60px;
}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{box-shadow:none}
.foot-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08);
}
.foot-brand p{color:rgba(255,255,255,.55);font-size:14px;max-width:340px;line-height:1.7}
.foot-col h5{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.foot-col a{display:block;padding:6px 0;color:rgba(255,255,255,.6);font-size:14px}
.foot-col a:hover{color:var(--c-accent)}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:26px;font-size:13px;color:rgba(255,255,255,.45);
}

/* Responsive */
@media (max-width:1024px){
  .trend-board{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .voices{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:52px 0 64px}
  .nav-menu{
    display:none;position:absolute;top:72px;left:0;right:0;
    background:#fff;flex-direction:column;padding:16px;gap:4px;
    border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%;padding:12px 16px;border-radius:10px}
  .nav-toggle{display:block}
  .hero-stats{gap:24px}
  .hero-stat strong{font-size:26px}
  .topic-grid{grid-template-columns:1fr}
  .voices{grid-template-columns:1fr}
  .today-wrap{padding:28px}
  .time-row{grid-template-columns:50px 1fr;gap:24px}
  .timeline::before{left:60px}
  .time-tag::after{right:-18px}
  .cta-box{padding:44px 28px}
  .cta-inner h2{font-size:26px}
  .trend-main-body{padding:24px}
  .trend-main h3{font-size:22px}
  .foot-top{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .header-inner{height:64px}
  .btn{width:100%}
  .filter-bar{padding:14px}
  .filter-chip{padding:8px 14px;font-size:13px}
  .trend-item{padding:14px;gap:12px}
  .trend-rank{width:32px;height:32px;font-size:14px}
  .foot-bottom{flex-direction:column;text-align:left}
}

/* roulang page: category4 */
:root{
  --bg:#f7f4ee;
  --bg-alt:#efe9dd;
  --ink:#1f1b16;
  --ink-soft:#5b5348;
  --muted:#8a8275;
  --line:#e4ddcd;
  --brand:#c9432a;
  --brand-2:#e07a3a;
  --accent:#2f6f5f;
  --gold:#b8892b;
  --card:#ffffff;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 6px rgba(31,27,22,.05);
  --shadow:0 10px 30px rgba(31,27,22,.08);
  --shadow-lg:0 24px 60px rgba(31,27,22,.14);
  --sp-1:8px;--sp-2:14px;--sp-3:20px;--sp-4:28px;--sp-5:44px;--sp-6:72px;
  --font-serif:"Noto Serif SC","Songti SC","STSong",serif;
  --font-sans:"PingFang SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,h5{font-family:var(--font-serif);color:var(--ink);line-height:1.3;margin:0}
p{margin:0}
.container{width:min(1180px,92%);margin:0 auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-weight:700;font-size:20px;color:var(--ink)}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;display:grid;place-items:center;
  font-family:var(--font-serif);font-size:18px;
  box-shadow:0 6px 16px rgba(201,67,42,.35);
}
.nav-menu{display:flex;gap:6px;flex-wrap:wrap}
.nav-menu a{
  padding:10px 16px;border-radius:999px;font-size:15px;
  color:var(--ink-soft);font-weight:500;
}
.nav-menu a:hover{background:var(--bg-alt);color:var(--ink)}
.nav-menu a.active{background:var(--ink);color:#fff}
.header-cta{display:flex;align-items:center;gap:10px}
.mini-btn{
  padding:9px 18px;border-radius:999px;font-size:14px;
  background:var(--brand);color:#fff;font-weight:600;
  box-shadow:0 6px 14px rgba(201,67,42,.25);
}
.mini-btn:hover{background:#a8341f;color:#fff}
.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;background:var(--bg-alt);color:var(--ink);align-items:center;justify-content:center}
.menu-toggle span{width:18px;height:2px;background:currentColor;position:relative;display:block}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:80px 0 90px;
  background:
    linear-gradient(180deg,rgba(247,244,238,.72),rgba(247,244,238,.9)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:auto -80px -80px auto;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,122,58,.35),transparent 70%);
  filter:blur(20px);
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.crumbs{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
  padding:6px 14px;background:rgba(255,255,255,.7);border-radius:999px;
  border:1px solid var(--line);
}
.crumbs strong{color:var(--brand);font-weight:600}
.hero h1{
  font-size:clamp(34px,5vw,54px);
  letter-spacing:.5px;margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:rgba(224,122,58,.28);z-index:-1;border-radius:4px;
}
.hero p.lead{
  font-size:18px;color:var(--ink-soft);max-width:640px;margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:12px;font-weight:600;font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(201,67,42,.28)}
.btn-primary:hover{background:#a8341f;color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(201,67,42,.35)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 8px;box-shadow:var(--shadow);
}
.hero-stats .item{text-align:center;padding:6px 12px;border-right:1px solid var(--line)}
.hero-stats .item:last-child{border-right:0}
.hero-stats .num{
  font-family:var(--font-serif);font-size:30px;color:var(--brand);
  font-weight:700;display:block;
}
.hero-stats .label{font-size:13px;color:var(--muted);margin-top:4px}

/* Section base */
section{padding:80px 0}
.sec-head{margin-bottom:44px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-tag{
  display:inline-block;font-size:13px;letter-spacing:2px;color:var(--brand);
  font-weight:600;text-transform:uppercase;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(26px,3.4vw,38px)}
.sec-head p{color:var(--ink-soft);margin-top:12px;max-width:560px}
.sec-head .side{color:var(--muted);font-size:14px}

/* Voices - featured letters */
.voice-board{background:var(--bg-alt)}
.letters{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px}
.letter{
  background:var(--card);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow-sm);
  border:1px solid var(--line);position:relative;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.letter:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.letter::before{
  content:"“";position:absolute;top:-30px;right:20px;
  font-family:var(--font-serif);font-size:160px;color:var(--bg-alt);
  line-height:1;font-weight:700;
}
.letter .mood{
  display:inline-block;font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(201,67,42,.08);color:var(--brand);font-weight:600;margin-bottom:16px;
}
.letter h3{font-size:22px;margin-bottom:14px;position:relative;z-index:1}
.letter p{color:var(--ink-soft);font-size:15px;position:relative;z-index:1}
.letter .signer{
  margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);
  display:flex;align-items:center;gap:12px;
}
.avatar{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-2),var(--gold));
  color:#fff;display:grid;place-items:center;font-weight:700;
  font-family:var(--font-serif);
}
.signer .who strong{display:block;font-size:14px;color:var(--ink)}
.signer .who span{font-size:12px;color:var(--muted)}
.letter.large{grid-row:span 2;background:linear-gradient(155deg,#fff,#fff8ec)}

/* Topics */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;transition:all .25s ease;position:relative;
}
.topic:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow)}
.topic .hash{
  font-family:var(--font-serif);font-size:14px;color:var(--brand);
  font-weight:600;margin-bottom:12px;display:block;
}
.topic h4{font-size:17px;margin-bottom:10px}
.topic .meta{font-size:13px;color:var(--muted);display:flex;gap:14px;margin-top:14px}
.topic .meta span::before{content:"·";margin-right:4px;color:var(--line)}
.topic .meta span:first-child::before{content:"";margin-right:0}

/* Contribute flow */
.flow{background:#fff}
.flow-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.flow-cover{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);position:relative;
}
.flow-cover img{aspect-ratio:4/5;object-fit:cover;width:100%}
.flow-cover .tag{
  position:absolute;left:20px;top:20px;
  background:rgba(31,27,22,.85);color:#fff;padding:8px 16px;border-radius:999px;
  font-size:13px;backdrop-filter:blur(6px);
}
.steps{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:20px}
.step{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:flex-start;
  padding:20px;border-radius:var(--radius);background:var(--bg);
  border:1px solid var(--line);
}
.step-num{
  width:44px;height:44px;border-radius:12px;
  background:var(--ink);color:#fff;display:grid;place-items:center;
  font-family:var(--font-serif);font-size:18px;font-weight:700;
}
.step h4{font-size:17px;margin-bottom:6px}
.step p{color:var(--ink-soft);font-size:14px}

/* Community grid */
.people{background:var(--bg-alt)}
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.person{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);transition:transform .3s ease,box-shadow .3s ease;
}
.person:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.person .cover{aspect-ratio:16/10;overflow:hidden}
.person .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.person:hover .cover img{transform:scale(1.05)}
.person .body{padding:22px 22px 26px}
.person .role{font-size:12px;color:var(--accent);font-weight:600;letter-spacing:1px;text-transform:uppercase}
.person h4{font-size:19px;margin:8px 0 10px}
.person p{color:var(--ink-soft);font-size:14px;margin-bottom:16px}
.person .tags{display:flex;gap:6px;flex-wrap:wrap}
.person .tags span{
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:var(--bg);color:var(--ink-soft);border:1px solid var(--line);
}

/* Rules */
.rules-wrap{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.rules-card{
  background:#fff;padding:38px;border-radius:var(--radius-lg);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.rules-card h3{font-size:22px;margin-bottom:20px;display:flex;align-items:center;gap:12px}
.rules-card h3::before{
  content:"";width:6px;height:22px;background:var(--brand);border-radius:3px;
}
.rules-card ul{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.rules-card li{
  padding-left:28px;position:relative;color:var(--ink-soft);
  font-size:15px;
}
.rules-card li::before{
  content:"✓";position:absolute;left:0;top:0;
  width:20px;height:20px;border-radius:50%;
  background:rgba(47,111,95,.12);color:var(--accent);
  display:grid;place-items:center;font-size:12px;font-weight:700;
}
.rules-card.warn li::before{content:"×";background:rgba(201,67,42,.1);color:var(--brand)}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item summary{
  padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--brand);font-weight:400;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .a{padding:0 26px 24px;color:var(--ink-soft);font-size:15px}
.faq-item .a p{margin-bottom:10px}

/* CTA */
.cta{
  background:
    linear-gradient(120deg,rgba(31,27,22,.86),rgba(31,27,22,.72)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;padding:88px 0;
}
.cta-inner{max-width:780px;margin:0 auto;text-align:center}
.cta h2{color:#fff;font-size:clamp(28px,3.6vw,40px);margin-bottom:18px}
.cta p{color:rgba(255,255,255,.82);font-size:17px;margin-bottom:32px}
.cta-form{
  display:flex;gap:10px;max-width:520px;margin:0 auto;flex-wrap:wrap;
  background:rgba(255,255,255,.08);padding:10px;border-radius:var(--radius);
  backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.15);
}
.cta-form input{
  flex:1;min-width:220px;padding:14px 18px;border-radius:10px;border:0;
  background:#fff;color:var(--ink);font-size:15px;font-family:inherit;
}
.cta-form input:focus{outline:2px solid var(--brand-2);outline-offset:2px}
.cta-form button{
  padding:14px 26px;border-radius:10px;background:var(--brand);color:#fff;
  font-weight:600;font-size:15px;transition:background .2s ease;
}
.cta-form button:hover{background:#a8341f}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:16px}

/* Footer */
.site-footer{background:#1a1712;color:rgba(255,255,255,.7);padding:70px 0 30px;font-size:14px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:linear-gradient(135deg,var(--brand),var(--gold))}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand p{margin-top:14px;line-height:1.8}
.foot-col h5{color:#fff;font-size:15px;margin-bottom:18px;font-family:var(--font-sans);font-weight:600}
.foot-col a{display:block;padding:5px 0;color:rgba(255,255,255,.65)}
.foot-col a:hover{color:#fff}
.foot-bottom{
  padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  color:rgba(255,255,255,.5);font-size:13px;
}

/* Responsive */
@media (max-width:1024px){
  .letters{grid-template-columns:1fr 1fr}
  .letter.large{grid-row:auto}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .people-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:1fr;gap:36px}
  .foot-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  section{padding:60px 0}
  .hero{padding:60px 0 70px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:0}
  .hero-stats .item{border-right:0;border-bottom:1px solid var(--line);padding:14px}
  .hero-stats .item:nth-last-child(-n+2){border-bottom:0}
  .rules-wrap{grid-template-columns:1fr}
  .menu-toggle{display:flex}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;flex-direction:column;padding:16px;
    border-bottom:1px solid var(--line);display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%}
  .header-cta .mini-btn{display:none}
}
@media (max-width:520px){
  .letters,.topic-grid,.people-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .rules-card{padding:26px}
  .cta-form{flex-direction:column}
  .cta-form input,.cta-form button{width:100%}
}