/* roulang page: index */
:root{
  --c-bg:#0b0710;
  --c-bg-2:#140b1c;
  --c-surface:#1a1024;
  --c-surface-2:#22152f;
  --c-line:rgba(255,255,255,.08);
  --c-line-2:rgba(255,255,255,.14);
  --c-text:#f4eef8;
  --c-muted:#a89bb5;
  --c-primary:#ff3d7f;
  --c-primary-2:#ff6a3d;
  --c-accent:#b061ff;
  --c-gold:#f5c56b;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 4px 14px rgba(0,0,0,.25);
  --shadow:0 18px 40px -18px rgba(255,61,127,.45), 0 10px 30px -12px rgba(0,0,0,.5);
  --grad-primary:linear-gradient(135deg,#ff3d7f 0%,#ff6a3d 55%,#b061ff 100%);
  --grad-soft:linear-gradient(180deg,rgba(255,61,127,.14),rgba(176,97,255,.05));
  --space-1:6px;
  --space-2:12px;
  --space-3:20px;
  --space-4:32px;
  --space-5:56px;
  --space-6:88px;
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--c-bg);color:var(--c-text);font-family:var(--font);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:.25s}
a:hover{color:var(--c-primary)}
button,input,textarea{font-family:inherit;color:inherit}
ul{list-style:none}
::selection{background:var(--c-primary);color:#fff}

.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,7,16,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--c-line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.5px}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-primary);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:var(--shadow-s)}
.logo-text{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{padding:10px 16px;border-radius:999px;font-size:14.5px;color:var(--c-muted);font-weight:500}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-list a.active{color:#fff;background:var(--grad-primary);box-shadow:var(--shadow-s)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--c-line-2);font-size:14px;color:#fff}
.nav-cta:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-toggle{display:none;background:transparent;border:1px solid var(--c-line-2);width:42px;height:42px;border-radius:12px;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:18px;height:2px;background:#fff;position:relative;margin:0 auto}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:96px 0 80px;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.35;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(1200px 500px at 20% 30%,rgba(255,61,127,.35),transparent 60%),radial-gradient(900px 500px at 80% 70%,rgba(176,97,255,.28),transparent 60%),linear-gradient(180deg,rgba(11,7,16,.5),rgba(11,7,16,.92));z-index:-1}
.hero-inner{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,.06);border:1px solid var(--c-line-2);font-size:13px;color:#ffd6e4}
.hero-tag i{width:8px;height:8px;background:var(--c-primary);border-radius:50%;box-shadow:0 0 12px var(--c-primary)}
.hero h1{font-size:56px;line-height:1.15;margin:22px 0 20px;font-weight:800;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:17px;color:var(--c-muted);max-width:560px;margin-bottom:32px}
.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;border:1px solid transparent;cursor:pointer;transition:.25s}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 22px 45px -18px rgba(255,61,127,.7)}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--c-line-2);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:520px}
.stat{padding:18px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid var(--c-line)}
.stat b{display:block;font-size:26px;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.stat span{font-size:13px;color:var(--c-muted)}
.hero-visual{position:relative;height:520px}
.hero-card{position:absolute;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--c-line-2)}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card.hc-1{top:0;left:6%;width:65%;height:65%;transform:rotate(-4deg);z-index:2}
.hero-card.hc-2{bottom:0;right:0;width:60%;height:55%;transform:rotate(3deg);z-index:3}
.hero-card.hc-3{top:38%;right:12%;width:38%;height:38%;transform:rotate(-2deg);z-index:1;opacity:.9}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.55));pointer-events:none}
.hero-card-label{position:absolute;left:14px;bottom:14px;font-size:12.5px;color:#fff;font-weight:600;z-index:2;display:flex;align-items:center;gap:6px}
.hero-card-label b{background:var(--c-primary);padding:3px 8px;border-radius:6px;font-size:11px;font-weight:700}

/* Section base */
section{padding:var(--space-6) 0;position:relative}
.section-head{text-align:center;max-width:720px;margin:0 auto var(--space-5)}
.eyebrow{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--grad-soft);color:#ffb2ca;font-size:12.5px;letter-spacing:1.5px;font-weight:600;margin-bottom:16px;border:1px solid rgba(255,61,127,.25)}
.section-head h2{font-size:40px;line-height:1.2;font-weight:800;margin-bottom:14px;letter-spacing:-.3px}
.section-head p{color:var(--c-muted);font-size:16px}

/* Categories */
.cats{background:linear-gradient(180deg,transparent,rgba(255,255,255,.02))}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{position:relative;border-radius:var(--radius-l);overflow:hidden;aspect-ratio:3/4;background:#1a1024;border:1px solid var(--c-line);transition:.35s}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:.6s}
.cat-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(11,7,16,.9) 95%)}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(255,61,127,.4);box-shadow:var(--shadow)}
.cat-card:hover img{transform:scale(1.08)}
.cat-info{position:absolute;left:0;right:0;bottom:0;padding:22px;z-index:2}
.cat-info h3{font-size:22px;font-weight:700;margin-bottom:6px;color:#fff}
.cat-info p{font-size:13.5px;color:#d4c9dc;margin-bottom:12px}
.cat-info .cat-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-gold);font-weight:600}
.cat-badge{position:absolute;top:16px;left:16px;padding:5px 12px;border-radius:999px;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);color:#fff;font-size:12px;font-weight:600;z-index:2;border:1px solid var(--c-line-2)}

/* Features */
.features{padding-top:0}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat-card{padding:32px 28px;border-radius:var(--radius-l);background:var(--c-surface);border:1px solid var(--c-line);position:relative;overflow:hidden;transition:.3s}
.feat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-primary);opacity:0;transition:.3s}
.feat-card:hover{transform:translateY(-4px);border-color:var(--c-line-2);background:var(--c-surface-2)}
.feat-card:hover::before{opacity:1}
.feat-icon{width:54px;height:54px;border-radius:14px;background:var(--grad-soft);display:grid;place-items:center;font-size:24px;margin-bottom:20px;border:1px solid rgba(255,61,127,.25)}
.feat-card h3{font-size:20px;margin-bottom:10px;font-weight:700}
.feat-card p{color:var(--c-muted);font-size:14.5px}

/* Showcase */
.showcase{background:linear-gradient(180deg,var(--c-bg-2),var(--c-bg))}
.show-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.show-card{border-radius:var(--radius);overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);transition:.3s;position:relative}
.show-card:hover{transform:translateY(-6px);border-color:rgba(255,61,127,.4);box-shadow:var(--shadow)}
.show-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.show-thumb img{width:100%;height:100%;object-fit:cover;transition:.6s}
.show-card:hover .show-thumb img{transform:scale(1.06)}
.show-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.55))}
.show-play{position:absolute;inset:0;display:grid;place-items:center;z-index:2;opacity:0;transition:.3s}
.show-card:hover .show-play{opacity:1}
.show-play span{width:60px;height:60px;border-radius:50%;background:var(--grad-primary);color:#fff;display:grid;place-items:center;font-size:22px;box-shadow:var(--shadow)}
.show-tag{position:absolute;top:14px;left:14px;padding:4px 10px;background:rgba(0,0,0,.6);border-radius:6px;font-size:12px;font-weight:600;color:#fff;z-index:2}
.show-dur{position:absolute;bottom:14px;right:14px;padding:3px 8px;background:rgba(0,0,0,.7);border-radius:5px;font-size:12px;color:#fff;z-index:2;font-family:monospace}
.show-body{padding:20px 22px}
.show-body h3{font-size:17px;margin-bottom:8px;font-weight:600;line-height:1.4}
.show-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--c-muted)}
.show-meta span{display:inline-flex;align-items:center;gap:4px}

/* Latest list */
.latest{background:linear-gradient(180deg,var(--c-bg),var(--c-bg-2))}
.latest-inner{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}
.latest-list{display:flex;flex-direction:column;gap:14px}
.latest-item{display:grid;grid-template-columns:80px 1fr auto;gap:20px;padding:20px 22px;border-radius:var(--radius);background:var(--c-surface);border:1px solid var(--c-line);align-items:center;transition:.25s}
.latest-item:hover{transform:translateX(4px);border-color:rgba(255,61,127,.35);background:var(--c-surface-2)}
.latest-num{font-size:32px;font-weight:800;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent;font-family:"Georgia",serif}
.latest-body h3{font-size:16.5px;margin-bottom:6px;font-weight:600;line-height:1.5}
.latest-body h3 a:hover{color:var(--c-primary)}
.latest-body .latest-meta{font-size:12.5px;color:var(--c-muted);display:flex;gap:14px;flex-wrap:wrap}
.latest-body .latest-meta em{font-style:normal;color:var(--c-gold);padding:2px 8px;border-radius:4px;background:rgba(245,197,107,.1)}
.latest-arrow{color:var(--c-muted);font-size:20px}
.latest-empty{padding:36px;text-align:center;border-radius:var(--radius);border:1px dashed var(--c-line-2);color:var(--c-muted)}

.side-card{border-radius:var(--radius-l);overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);position:sticky;top:96px}
.side-hero{aspect-ratio:4/5;position:relative}
.side-hero img{width:100%;height:100%;object-fit:cover}
.side-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(11,7,16,.95))}
.side-hero-txt{position:absolute;left:0;right:0;bottom:0;padding:24px;z-index:2}
.side-hero-txt h4{font-size:20px;font-weight:700;margin-bottom:10px}
.side-hero-txt p{font-size:13.5px;color:#d4c9dc;margin-bottom:14px}
.side-list{padding:24px}
.side-list h5{font-size:13px;color:var(--c-muted);letter-spacing:2px;font-weight:600;margin-bottom:16px;text-transform:uppercase}
.side-list ul li{padding:10px 0;border-bottom:1px solid var(--c-line);font-size:14px;display:flex;justify-content:space-between;align-items:center}
.side-list ul li:last-child{border:0}
.side-list ul li b{font-weight:500}
.side-list ul li span{font-size:12px;color:var(--c-primary);font-weight:600}

/* Trust */
.trust{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-bg-2)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;text-align:center}
.trust-item b{display:block;font-size:44px;font-weight:800;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:8px}
.trust-item span{font-size:14px;color:var(--c-muted)}

/* FAQ */
.faq-grid{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border-radius:var(--radius);background:var(--c-surface);border:1px solid var(--c-line);overflow:hidden;transition:.25s}
.faq-item:hover{border-color:var(--c-line-2)}
.faq-item summary{padding:22px 26px;cursor:pointer;font-weight:600;font-size:16.5px;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:26px;color:var(--c-primary);font-weight:400;transition:.3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open]{background:var(--c-surface-2);border-color:rgba(255,61,127,.3)}
.faq-item .faq-body{padding:0 26px 24px;color:var(--c-muted);font-size:14.5px;line-height:1.8}

/* CTA */
.cta{background:linear-gradient(135deg,rgba(255,61,127,.15),rgba(176,97,255,.15));position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover;opacity:.15;z-index:0}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:44px;font-weight:800;margin-bottom:16px;line-height:1.2}
.cta-inner p{color:#e8dcf0;font-size:17px;margin-bottom:32px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* Footer */
.site-footer{background:#080510;border-top:1px solid var(--c-line);padding:70px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:50px;margin-bottom:50px}
.foot-brand p{color:var(--c-muted);font-size:14px;margin-top:16px;max-width:320px}
.foot-col h6{font-size:14px;font-weight:700;margin-bottom:20px;color:#fff;letter-spacing:.5px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul li a{color:var(--c-muted);font-size:14px}
.foot-col ul li a:hover{color:var(--c-primary)}
.foot-bottom{padding-top:26px;border-top:1px solid var(--c-line);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--c-muted)}
.foot-bottom a{color:var(--c-muted)}

/* Responsive */
@media (max-width:1024px){
  .hero h1{font-size:44px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:420px;max-width:520px;margin:0 auto;width:100%}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid,.show-grid{grid-template-columns:repeat(2,1fr)}
  .latest-inner{grid-template-columns:1fr}
  .side-card{position:static}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section-head h2{font-size:32px}
}
@media (max-width:768px){
  .nav-list{display:none;position:absolute;top:100%;left:0;right:0;background:var(--c-bg-2);flex-direction:column;padding:16px;border-top:1px solid var(--c-line);gap:4px}
  .nav-list.open{display:flex}
  .nav-list a{width:100%;padding:12px 16px}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .hero{padding:60px 0 50px}
  .hero h1{font-size:34px}
  .hero-stats{grid-template-columns:1fr;gap:10px}
  section{padding:60px 0}
  .section-head h2,.cta-inner h2{font-size:26px}
  .feat-grid,.show-grid{grid-template-columns:1fr}
  .latest-item{grid-template-columns:60px 1fr;gap:14px;padding:16px}
  .latest-arrow{display:none}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .cat-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .hero-visual{height:360px}
}

/* roulang page: category1 */
:root {
  --cream-bg: #F7F4EF;
  --surface-light: #FBF9F5;
  --surface-white: #FFFFFF;
  --border-warm: #E7E1D7;
  --ink: #1F2421;
  --muted: #5C635D;
  --charcoal: #1F2421;
  --terra: #C4612F;
  --terra-hover: #A94E22;
  --terra-tint: #F2E3D6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(31,36,33,0.08);
  --shadow-md: 0 4px 12px rgba(31,36,33,0.12);
  --shadow-lg: 0 8px 24px rgba(31,36,33,0.16);
  --transition: all 0.24s cubic-bezier(0.4,0,0.2,1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink);
  background: var(--cream-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(251,249,245,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-warm);
}

.site-header .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 18px;
  color: var(--ink);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--terra) 0%, var(--terra-hover) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 600;
  font-size: 18px;
}

.logo-text {
  letter-spacing: -0.02em;
}

.nav-list {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-list a {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 400;
  color: var(--muted);
  transition: var(--transition);
}

.nav-list a:hover {
  color: var(--ink);
  background: var(--terra-tint);
}

.nav-list a.active {
  color: var(--terra);
  background: var(--terra-tint);
  font-weight: 500;
}

.nav-cta {
  padding: 10px 24px;
  background: var(--terra);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--terra-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  display: block;
  transition: var(--transition);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
}

.hero-category {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background: var(--charcoal);
  color: white;
  overflow: hidden;
}

.hero-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity: 0.28;
}

.hero-category .container {
  position: relative;
  z-index: 2;
  padding: 80px 24px;
}

.hero-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(196,97,47,0.2);
  border: 1px solid rgba(196,97,47,0.4);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--terra-tint);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-category h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 56px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 720px;
}

.hero-category h1 em {
  font-style: italic;
  color: var(--terra);
}

.hero-category .lead {
  font-size: 19px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
  max-width: 620px;
  margin-bottom: 36px;
  font-weight: 300;
}

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

.btn-primary {
  padding: 14px 32px;
  background: var(--terra);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.btn-secondary {
  padding: 14px 32px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.24);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.section {
  padding: 80px 0;
}

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

.section-eyebrow {
  display: inline-block;
  padding: 5px 14px;
  background: var(--terra-tint);
  color: var(--terra);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 42px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-title em {
  font-style: italic;
  color: var(--terra);
}

.section-desc {
  font-size: 17px;
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

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

.quality-card {
  background: var(--surface-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
}

.quality-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.quality-icon {
  width: 56px;
  height: 56px;
  background: var(--terra-tint);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--terra);
}

.quality-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--ink);
}

.quality-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.film-card {
  background: var(--surface-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.film-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.film-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--border-warm);
}

.film-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.film-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: var(--terra);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
}

.film-info {
  padding: 20px;
}

.film-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
  line-height: 1.4;
}

.film-meta {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.film-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.film-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 16px;
}

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

.tag {
  padding: 4px 10px;
  background: var(--terra-tint);
  color: var(--terra);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
}

.scenario-section {
  background: var(--surface-light);
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.scenario-item {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.scenario-num {
  width: 48px;
  height: 48px;
  background: var(--terra);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  font-family: 'Playfair Display', Georgia, serif;
}

.scenario-item h4 {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.scenario-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

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

.process-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.process-step {
  background: var(--surface-light);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  transition: var(--transition);
}

.process-step:hover {
  border-color: var(--terra);
  box-shadow: var(--shadow-sm);
}

.process-step::after {
  content: '→';
  position: absolute;
  right: -30px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  color: var(--border-warm);
}

.process-step:last-child::after {
  display: none;
}

.step-num {
  display: inline-block;
  width: 32px;
  height: 32px;
  background: var(--terra);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 32px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 16px;
}

.process-step h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
}

.process-step p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  text-align: center;
}

.stat-item h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 52px;
  font-weight: 600;
  color: var(--terra);
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
}

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

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--surface-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-q {
  padding: 24px 28px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-q::after {
  content: '+';
  font-size: 28px;
  color: var(--terra);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-q::after {
  content: '−';
}

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

.faq-a-inner {
  padding: 0 28px 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.faq-item.open .faq-a {
  max-height: 500px;
}

.cta-section {
  background: var(--surface-white);
  text-align: center;
}

.cta-box {
  max-width: 680px;
  margin: 0 auto;
}

.cta-box h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 38px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.cta-box h2 em {
  font-style: italic;
  color: var(--terra);
}

.cta-box p {
  font-size: 17px;
  line-height:1.7;
  color: var(--muted);
  margin-bottom: 32px;
}

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

.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.85);
  padding: 64px 0 24px;
}

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

.foot-brand .logo {
  margin-bottom: 16px;
  color: white;
}

.foot-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
}

.foot-col h6 {
  font-size: 15px;
  font-weight: 600;
  color: white;
  margin-bottom: 16px;
}

.foot-col ul {
  list-style: none;
}

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

.foot-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
}

.foot-col a:hover {
  color: var(--terra);
  padding-left: 4px;
}

.foot-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

@media (max-width: 1024px) {
  .hero-category h1 {
    font-size: 46px;
  }
  
  .section-title {
    font-size: 36px;
  }
  
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .process-step::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-list {
    position: fixed;
    top: 69px;
    left: 0;
    right: 0;
    background: rgba(251,249,245,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-warm);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  
  .nav-list.open {
    max-height: 400px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-cta {
    display: none;
  }
  
  .hero-category {
    min-height: 420px;
  }
  
  .hero-category .container {
    padding: 60px 24px;
  }
  
  .hero-category h1 {
    font-size: 36px;
  }
  
  .hero-category .lead {
    font-size: 17px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 32px;
  }
  
  .quality-grid {
    grid-template-columns: 1fr;
  }
  
  .featured-grid {
    grid-template-columns: 1fr;
  }
  
  .scenario-list {
    grid-template-columns: 1fr;
  }
  
  .process-flow {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .foot-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .foot-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .hero-category h1 {
    font-size: 28px;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-item h3 {
    font-size: 42px;
  }
}

/* roulang page: category2 */
:root{
  --c-bg:#0d0a14;
  --c-bg-alt:#141021;
  --c-surface:#1c1730;
  --c-surface-2:#251d3d;
  --c-line:#2f2748;
  --c-text:#eee7ff;
  --c-muted:#a196c2;
  --c-primary:#ff3d7f;
  --c-primary-2:#ff8fb4;
  --c-accent:#7c5cff;
  --c-gold:#ffcf6b;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-1:0 8px 30px rgba(0,0,0,.35);
  --shadow-2:0 20px 60px rgba(255,61,127,.18);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:72px;
  --font: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:var(--c-bg);color:var(--c-text);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-2)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3;letter-spacing:.5px}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,10,20,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--c-line)}
.site-header .nav{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo-mark{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;font-size:18px;box-shadow:var(--shadow-2)}
.logo-text{font-size:18px;letter-spacing:1px;background:linear-gradient(135deg,#fff,#ffb3c9);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;gap:6px;margin-left:auto}
.nav-list a{padding:10px 16px;border-radius:var(--r-pill);font-size:14.5px;color:var(--c-muted);font-weight:500;position:relative}
.nav-list a:hover{color:#fff;background:var(--c-surface)}
.nav-list a.active{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));box-shadow:var(--shadow-2)}
.nav-cta{padding:10px 20px;border-radius:var(--r-pill);background:#fff;color:#1a0f24 !important;font-weight:700;font-size:14px}
.nav-cta:hover{background:var(--c-gold);color:#1a0f24 !important}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:var(--c-surface);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:10px;width:20px;height:2px;background:#fff;border-radius:2px}
.nav-toggle span{top:50%;transform:translateY(-50%)}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}

/* Category Hero */
.cat-hero{position:relative;padding:80px 0 60px;overflow:hidden;border-bottom:1px solid var(--c-line)}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.28}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 90% at 20% 20%,rgba(255,61,127,.25),transparent 60%),radial-gradient(60% 80% at 90% 80%,rgba(124,92,255,.22),transparent 60%),linear-gradient(180deg,rgba(13,10,20,.6),rgba(13,10,20,.95))}
.cat-hero .container{position:relative;z-index:1}
.crumb{display:flex;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:20px;flex-wrap:wrap}
.crumb span{color:var(--c-primary-2)}
.cat-hero-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:56px;align-items:center}
.cat-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:rgba(255,61,127,.15);border:1px solid rgba(255,61,127,.35);border-radius:var(--r-pill);font-size:12.5px;color:var(--c-primary-2);margin-bottom:20px;letter-spacing:1px}
.cat-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary)}
.cat-hero h1{font-size:52px;line-height:1.15;margin-bottom:20px}
.cat-hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--c-primary),var(--c-gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{color:var(--c-muted);font-size:16.5px;max-width:520px;margin-bottom:28px}
.hero-metrics{display:flex;gap:14px;flex-wrap:wrap}
.hero-metric{padding:14px 20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);min-width:120px}
.hero-metric strong{display:block;font-size:22px;color:#fff}
.hero-metric span{font-size:12.5px;color:var(--c-muted)}
.hero-visual{position:relative;height:420px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--c-line)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(13,10,20,.9))}
.hero-badge{position:absolute;left:20px;bottom:20px;z-index:2;background:rgba(255,255,255,.9);color:#1a0f24;padding:10px 16px;border-radius:var(--r-md);font-weight:700;font-size:13px;display:flex;align-items:center;gap:8px}
.hero-badge b{color:var(--c-primary)}

/* Sections */
section{padding:var(--sp-6) 0;position:relative}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:34px}
.sec-head h2 span{color:var(--c-primary)}
.sec-head p{color:var(--c-muted);max-width:520px;font-size:15px}
.sec-kicker{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--c-primary-2);margin-bottom:10px;text-transform:uppercase}

/* Feature */
.features{background:var(--c-bg-alt)}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat-card{padding:28px 24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);transition:transform .25s ease,border-color .25s ease}
.feat-card:hover{transform:translateY(-4px);border-color:var(--c-primary)}
.feat-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;color:#fff}
.feat-card h3{font-size:17px;margin-bottom:10px}
.feat-card p{font-size:14px;color:var(--c-muted);line-height:1.7}

/* Model cards */
.models-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.model-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}
.model-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.model-thumb{position:relative;aspect-ratio:4/5;overflow:hidden}
.model-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.model-card:hover .model-thumb img{transform:scale(1.06)}
.model-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(13,10,20,.95))}
.model-tag{position:absolute;top:14px;left:14px;z-index:2;background:rgba(255,61,127,.9);color:#fff;padding:5px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600}
.model-quality{position:absolute;top:14px;right:14px;z-index:2;background:rgba(255,255,255,.95);color:#1a0f24;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:800;letter-spacing:1px}
.model-info{position:absolute;left:20px;right:20px;bottom:18px;z-index:2}
.model-info h3{font-size:20px;color:#fff;margin-bottom:6px}
.model-info .meta{display:flex;gap:14px;font-size:12.5px;color:var(--c-muted)}
.model-info .meta span::before{content:"·";margin-right:14px;color:var(--c-primary)}
.model-info .meta span:first-child::before{display:none;margin:0}
.model-body{padding:18px 20px}
.model-body p{font-size:13.5px;color:var(--c-muted);line-height:1.7;margin-bottom:14px}
.model-tags{display:flex;flex-wrap:wrap;gap:6px}
.tiny-tag{padding:3px 10px;background:rgba(124,92,255,.15);color:var(--c-primary-2);border-radius:var(--r-pill);font-size:11.5px;border:1px solid rgba(124,92,255,.3)}

/* Style themes */
.themes{background:var(--c-bg-alt)}
.theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.theme-item{position:relative;padding:32px 22px;background:var(--c-surface);border-radius:var(--r-md);border:1px solid var(--c-line);text-align:center;overflow:hidden;transition:all .3s ease}
.theme-item::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-primary),var(--c-gold));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.theme-item:hover::before{transform:scaleX(1)}
.theme-item:hover{border-color:var(--c-primary);transform:translateY(-4px)}
.theme-num{font-size:34px;font-weight:800;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}
.theme-item h4{font-size:16px;margin-bottom:8px;color:#fff}
.theme-item p{font-size:13px;color:var(--c-muted)}

/* Flow */
.flow-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-step{padding:26px 22px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);position:relative}
.flow-step::after{content:"→";position:absolute;right:-20px;top:50%;transform:translateY(-50%);color:var(--c-primary);font-size:22px;font-weight:700;z-index:2}
.flow-step:last-child::after{display:none}
.flow-idx{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;margin-bottom:16px}
.flow-step h3{font-size:16px;margin-bottom:10px}
.flow-step p{font-size:13.5px;color:var(--c-muted);line-height:1.7}

/* Compare */
.compare{background:var(--c-bg-alt)}
.compare-inner{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{padding:34px 30px;background:var(--c-surface);border-radius:var(--r-md);border:1px solid var(--c-line)}
.compare-col.hi{border-color:var(--c-primary);position:relative;background:linear-gradient(160deg,var(--c-surface),var(--c-surface-2))}
.compare-col.hi::before{content:"推荐";position:absolute;top:-12px;right:24px;background:linear-gradient(135deg,var(--c-primary),var(--c-gold));color:#1a0f24;padding:4px 14px;border-radius:var(--r-pill);font-size:12px;font-weight:800}
.compare-col h3{font-size:20px;margin-bottom:20px;color:#fff}
.compare-col ul li{padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:14px;color:var(--c-muted);display:flex;align-items:flex-start;gap:10px}
.compare-col ul li:last-child{border-bottom:0}
.compare-col ul li::before{content:"✓";color:var(--c-primary);font-weight:800;flex:0 0 auto}
.compare-col.dim ul li::before{content:"×";color:#5b4f7a}

/* FAQ */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 24px;transition:border-color .25s ease}
.faq-item:hover{border-color:var(--c-primary)}
.faq-item h4{font-size:16px;margin-bottom:10px;color:#fff;display:flex;gap:10px}
.faq-item h4::before{content:"Q";width:26px;height:26px;border-radius:8px;background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex:0 0 auto}
.faq-item p{font-size:14px;color:var(--c-muted);line-height:1.75;padding-left:36px}

/* CTA */
.cta{padding:var(--sp-6) 0}
.cta-box{padding:60px 48px;border-radius:var(--r-lg);background:linear-gradient(135deg,#2b1442,#5c1e46);border:1px solid var(--c-primary);text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;top:-100px;right:-100px;width:300px;height:300px;background:radial-gradient(circle,rgba(255,207,107,.3),transparent 70%);border-radius:50%}
.cta-box::after{content:"";position:absolute;bottom:-80px;left:-80px;width:240px;height:240px;background:radial-gradient(circle,rgba(255,61,127,.35),transparent 70%);border-radius:50%}
.cta-box h2{font-size:36px;margin-bottom:16px;position:relative}
.cta-box p{color:#f0d7e6;max-width:560px;margin:0 auto 28px;position:relative;font-size:15.5px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;position:relative}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--r-pill);font-weight:700;font-size:14.5px;transition:transform .2s ease,box-shadow .2s ease;cursor:pointer}
.btn-primary{background:#fff;color:#1a0f24}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,255,255,.25);color:#1a0f24}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}

/* Footer */
.site-footer{background:#0a0710;border-top:1px solid var(--c-line);padding:60px 0 24px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-brand p{color:var(--c-muted);font-size:14px;margin-top:16px;line-height:1.75}
.foot-col h6{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:1px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul li a{font-size:13.5px;color:var(--c-muted)}
.foot-col ul li a:hover{color:var(--c-primary-2)}
.foot-bottom{padding-top:24px;border-top:1px solid var(--c-line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--c-muted)}

/* Responsive */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{height:340px}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .models-grid{grid-template-columns:repeat(2,1fr)}
  .theme-grid{grid-template-columns:repeat(2,1fr)}
  .flow-wrap{grid-template-columns:repeat(2,1fr)}
  .flow-step::after{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .nav-list{position:absolute;top:72px;left:0;right:0;background:var(--c-bg-alt);flex-direction:column;padding:16px;gap:4px;border-bottom:1px solid var(--c-line);display:none}
  .nav-list.open{display:flex}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .cat-hero{padding:56px 0 44px}
  .cat-hero h1{font-size:36px}
  section{padding:56px 0}
  .sec-head h2{font-size:26px}
  .compare-inner{grid-template-columns:1fr}
  .faq-list{grid-template-columns:1fr}
  .cta-box{padding:44px 24px}
  .cta-box h2{font-size:26px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .cat-hero h1{font-size:28px}
  .hero-metric{min-width:0;flex:1}
  .feat-grid,.models-grid,.theme-grid,.flow-wrap{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category3 */
:root{
  --c-bg:#0f0b14;
  --c-bg-soft:#171220;
  --c-surface:#1d1729;
  --c-surface-2:#25203a;
  --c-primary:#e94a86;
  --c-primary-2:#ff7fb0;
  --c-accent:#f2c94c;
  --c-text:#f5eef7;
  --c-muted:#a89fb4;
  --c-border:rgba(255,255,255,.08);
  --c-border-strong:rgba(255,255,255,.16);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --shadow-sm:0 6px 18px rgba(0,0,0,.25);
  --shadow-md:0 14px 40px rgba(0,0,0,.35);
  --shadow-glow:0 10px 40px rgba(233,74,134,.35);
  --sp:16px;
  --tr:.25s ease;
  --font: "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-primary-2)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none;padding:0;margin:0}
h1,h2,h3,h4,h5,h6{margin:0 0 .5em;line-height:1.3;font-weight:700}
p{margin:0 0 1em}
.container{width:min(1200px,92%);margin:0 auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,11,20,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.site-header .nav{
  display:flex;align-items:center;gap:24px;
  padding:14px 0;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:grid;place-items:center;color:#1a1220;font-size:20px;
  box-shadow:var(--shadow-glow);
}
.logo-text{font-size:18px;letter-spacing:.5px}
.nav-list{display:flex;gap:6px;margin-left:auto}
.nav-list a{
  padding:8px 14px;border-radius:999px;font-size:15px;
  color:var(--c-muted);transition:all var(--tr);
}
.nav-list a:hover{color:var(--c-text);background:var(--c-surface)}
.nav-list a.active{
  color:#1a1220;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  font-weight:600;
}
.nav-cta{
  padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;
  background:var(--c-surface-2);border:1px solid var(--c-border-strong);
  transition:all var(--tr);
}
.nav-cta:hover{background:var(--c-primary);color:#1a1220;border-color:transparent}
.nav-toggle{display:none;width:40px;height:40px;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:8px;right:8px;height:2px;background:var(--c-text);border-radius:2px;
}
.nav-toggle span{top:50%;transform:translateY(-50%)}
.nav-toggle span::before{top:-8px}
.nav-toggle span::after{top:8px}

/* Page Hero */
.page-hero{
  position:relative;
  padding:80px 0 60px;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(15,11,20,.72),rgba(15,11,20,.92)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 50% at 80% 30%,rgba(233,74,134,.35),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.breadcrumb{display:flex;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:16px}
.breadcrumb a:hover{color:var(--c-primary-2)}
.breadcrumb span{color:var(--c-border-strong)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(233,74,134,.15);
  border:1px solid rgba(233,74,134,.3);
  color:var(--c-primary-2);font-size:13px;font-weight:500;
  margin-bottom:20px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary-2);box-shadow:0 0 8px var(--c-primary-2)}
.page-hero h1{
  font-size:clamp(32px,5vw,52px);
  background:linear-gradient(120deg,#fff,var(--c-primary-2) 60%,var(--c-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:20px;
}
.hero-lead{font-size:17px;color:var(--c-muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  transition:all var(--tr);cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#1a1220;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(233,74,134,.5);color:#1a1220}
.btn-ghost{
  background:rgba(255,255,255,.06);color:var(--c-text);
  border:1px solid var(--c-border-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-visual{
  position:relative;padding:16px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--c-border);
  backdrop-filter:blur(20px);
}
.hero-visual img{border-radius:16px;aspect-ratio:4/5;object-fit:cover}
.hero-visual .float-tag{
  position:absolute;padding:8px 14px;border-radius:12px;
  background:rgba(29,23,41,.9);border:1px solid var(--c-border-strong);
  font-size:13px;color:var(--c-text);box-shadow:var(--shadow-md);
  backdrop-filter:blur(10px);
}
.tag-top{top:32px;left:-24px}
.tag-bot{bottom:40px;right:-16px}
.tag-mid{top:50%;right:-30px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#1a1220;font-weight:600}

/* Sections */
.section{padding:80px 0;position:relative}
.section-tight{padding:60px 0}
.section-alt{background:var(--c-bg-soft)}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-eyebrow{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:var(--c-surface);color:var(--c-primary-2);
  font-size:12px;letter-spacing:2px;font-weight:600;margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.6vw,38px);margin-bottom:12px}
.section-head p{color:var(--c-muted);font-size:16px}

/* Highlight cards */
.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hl-card{
  padding:26px 22px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:all var(--tr);
}
.hl-card:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--shadow-md)}
.hl-icon{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,rgba(233,74,134,.2),rgba(242,201,76,.15));
  display:grid;place-items:center;font-size:22px;margin-bottom:16px;
  border:1px solid rgba(233,74,134,.3);
}
.hl-card h3{font-size:17px;margin-bottom:8px}
.hl-card p{color:var(--c-muted);font-size:14px;margin:0}

/* Playlist Grid */
.playlist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.playlist-card{
  border-radius:var(--r-md);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:all var(--tr);position:relative;
}
.playlist-card:hover{transform:translateY(-6px);border-color:var(--c-border-strong);box-shadow:var(--shadow-md)}
.pl-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.pl-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .6s ease}
.playlist-card:hover .pl-cover img{transform:scale(1.06)}
.pl-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(15,11,20,.85));
}
.pl-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(15,11,20,.75);backdrop-filter:blur(8px);
  border:1px solid var(--c-border-strong);
}
.pl-tag.hot{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#1a1220;border-color:transparent}
.pl-meta{position:absolute;bottom:14px;left:16px;right:16px;z-index:2;display:flex;justify-content:space-between;font-size:12px;color:var(--c-muted)}
.pl-body{padding:20px 22px}
.pl-body h3{font-size:18px;margin-bottom:8px}
.pl-body p{color:var(--c-muted);font-size:14px;margin-bottom:16px;min-height:44px}
.pl-foot{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid var(--c-border)}
.pl-stats{display:flex;gap:14px;font-size:12px;color:var(--c-muted)}
.pl-stats span::before{content:"·";margin-right:4px;color:var(--c-primary-2)}
.pl-stats span:first-child::before{content:""}
.pl-btn{
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(233,74,134,.15);color:var(--c-primary-2);
  border:1px solid rgba(233,74,134,.3);transition:all var(--tr);
}
.pl-btn:hover{background:var(--c-primary);color:#1a1220}

/* Filter bar */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  margin-bottom:40px;
}
.chip{
  padding:8px 18px;border-radius:999px;font-size:14px;
  background:var(--c-surface);border:1px solid var(--c-border);
  color:var(--c-muted);cursor:pointer;transition:all var(--tr);
}
.chip:hover{color:var(--c-text);border-color:var(--c-border-strong)}
.chip.on{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#1a1220;border-color:transparent;font-weight:600}

/* Curator */
.curator-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.curator-img{border-radius:var(--r-lg);overflow:hidden;position:relative;border:1px solid var(--c-border)}
.curator-img img{aspect-ratio:5/4;object-fit:cover;border-radius:0}
.curator-quote{font-size:15px;color:var(--c-muted);padding:20px;border-left:3px solid var(--c-primary);background:var(--c-surface);border-radius:0 var(--r-md) var(--r-md) 0;margin-top:20px}
.curator-list{margin-top:24px;display:grid;gap:14px}
.curator-list li{display:flex;gap:14px;align-items:flex-start}
.curator-list li::before{
  content:"";flex-shrink:0;width:22px;height:22px;border-radius:50%;margin-top:3px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  box-shadow:0 0 0 4px rgba(233,74,134,.12);
}
.curator-list li strong{display:block;color:var(--c-text);margin-bottom:2px}
.curator-list li span{color:var(--c-muted);font-size:14px}

/* Workflow */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-step{
  position:relative;padding:28px 22px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:all var(--tr);
}
.flow-step:hover{border-color:var(--c-primary)}
.flow-num{
  position:absolute;top:-16px;left:22px;
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#1a1220;font-weight:800;display:grid;place-items:center;
  box-shadow:var(--shadow-sm);
}
.flow-step h4{font-size:17px;margin:16px 0 8px}
.flow-step p{color:var(--c-muted);font-size:14px;margin:0}

/* Scene stripe */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-item{
  padding:28px;border-radius:var(--r-md);
  background:linear-gradient(160deg,var(--c-surface),var(--c-surface-2));
  border:1px solid var(--c-border);
}
.scene-item h3{font-size:19px;color:var(--c-primary-2);margin-bottom:10px}
.scene-item p{color:var(--c-muted);font-size:14px;margin-bottom:14px}
.scene-tags{display:flex;flex-wrap:wrap;gap:6px}
.scene-tags span{
  padding:4px 10px;border-radius:6px;font-size:12px;
  background:rgba(255,255,255,.05);color:var(--c-muted);
  border:1px solid var(--c-border);
}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-md);overflow:hidden;transition:all var(--tr);
}
.faq-item[open]{border-color:var(--c-primary);box-shadow:var(--shadow-sm)}
.faq-item summary{
  padding:20px 24px;font-weight:600;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  list-style:none;font-size:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--c-primary-2);
  transition:transform var(--tr);font-weight:400;
}
.faq-item[open] summary::after{content:"−"}
.faq-item .ans{padding:0 24px 22px;color:var(--c-muted);font-size:15px}

/* CTA */
.cta-block{
  padding:60px;border-radius:var(--r-lg);
  background:
    linear-gradient(135deg,rgba(233,74,134,.85),rgba(242,201,76,.6)),
    url('/assets/images/backpic/back-2.webp') center/cover;
  color:#1a1220;text-align:center;
  box-shadow:var(--shadow-md);
  position:relative;overflow:hidden;
}
.cta-block h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;color:#1a1220}
.cta-block p{color:rgba(26,18,32,.85);max-width:600px;margin:0 auto 26px;font-size:16px}
.cta-block .btn-primary{background:#1a1220;color:#fff}
.cta-block .btn-primary:hover{background:#000;color:#fff}

/* Footer */
.site-footer{background:#0a070f;padding:60px 0 24px;margin-top:80px;border-top:1px solid var(--c-border)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-brand p{color:var(--c-muted);font-size:14px;max-width:320px;margin-top:16px}
.foot-col h6{font-size:14px;color:var(--c-text);letter-spacing:1px;margin-bottom:16px;font-weight:600}
.foot-col ul{display:grid;gap:10px}
.foot-col a{color:var(--c-muted);font-size:14px}
.foot-col a:hover{color:var(--c-primary-2)}
.foot-bottom{
  display:flex;justify-content:space-between;padding-top:22px;
  border-top:1px solid var(--c-border);color:var(--c-muted);font-size:13px;flex-wrap:wrap;gap:10px;
}

/* Responsive */
@media (max-width:1024px){
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .playlist-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:400px;margin:0 auto}
  .curator-wrap{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav-toggle{display:block;margin-left:auto}
  .nav-cta{display:none}
  .nav-list{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--c-bg-soft);
    padding:16px;gap:4px;border-bottom:1px solid var(--c-border);
    transform:translateY(-10px);opacity:0;pointer-events:none;transition:all var(--tr);
    margin-left:0;
  }
  .nav-list.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-block{padding:40px 24px}
  .section{padding:60px 0}
}
@media (max-width:520px){
  .highlight-grid,.playlist-grid,.flow-grid,.scene-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .page-hero{padding:60px 0 40px}
  .foot-bottom{flex-direction:column;text-align:center}
  .hero-visual .float-tag{display:none}
}

/* roulang page: category4 */
:root {
  --primary: #C4612F;
  --primary-hover: #A94E22;
  --primary-tint: #F2E3D6;
  --bg-cream: #F7F4EF;
  --bg-light: #FBF9F5;
  --bg-white: #FFFFFF;
  --border: #E7E1D7;
  --ink: #1F2421;
  --muted: #5C635D;
  --charcoal: #1F2421;
  --radius: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(31,36,33,0.08);
  --shadow-md: 0 4px 12px rgba(31,36,33,0.12);
  --shadow-lg: 0 8px 24px rgba(31,36,33,0.16);
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg-cream);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 48px;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 18px;
  color: var(--ink);
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
}

.nav-list {
  display: flex;
  gap: 32px;
  flex: 1;
}

.nav-list a {
  font-size: 15px;
  font-weight: 400;
  color: var(--muted);
  position: relative;
  padding: 4px 0;
}

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

.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
}

.nav-cta {
  padding: 10px 24px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: var(--transition);
}

.hero-inner {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(196,97,47,0.92) 0%, rgba(169,78,34,0.88) 100%), url(/assets/images/backpic/back-3.webp) center/cover;
  border-radius: 20px;
  padding: 80px 60px;
  margin: 32px 0 64px;
  color: white;
  overflow: hidden;
}

.hero-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 40%, rgba(255,255,255,0.1), transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-content h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 56px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-content h1 em {
  font-style: italic;
  color: var(--primary-tint);
}

.hero-content p {
  font-size: 19px;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 36px;
  opacity: 0.95;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.btn-outline {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.4);
}

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

.section {
  padding: 80px 0;
}

.section-header {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--primary-tint);
  color: var(--primary);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 42px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  color: var(--ink);
}

.section-header h2 em {
  font-style: italic;
  color: var(--primary);
}

.section-header p {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.stat-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.stat-number {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 48px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 15px;
  color: var(--muted);
  font-weight: 400;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-tint);
  color: var(--primary);
  border-radius: 12px;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--ink);
}

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

.schedule-section {
  background: var(--bg-white);
  padding: 64px 0;
}

.timeline {
  max-width: 800px;
  margin: 48px auto 0;
}

.timeline-item {
  display: flex;
  gap: 24px;
  margin-bottom: 36px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 48px;
  width: 2px;
  height: calc(100% + 12px);
  background: var(--border);
}

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

.timeline-time {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  position: relative;
  z-index: 2;
}

.timeline-content {
  flex: 1;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.timeline-content h4 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink);
}

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

.timeline-badge {
  display: inline-block;
  padding: 4px 10px;
  background: var(--primary-tint);
  color: var(--primary);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  margin-top: 10px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

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

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

.video-thumb {
  position: relative;
  width: 100%;
  padding-top: 66.67%;
  overflow: hidden;
  background: var(--bg-light);
}

.video-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.video-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  z-index: 2;
}

.video-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  padding: 4px 10px;
  background: rgba(31,36,33,0.85);
  color: white;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.video-info {
  padding: 20px;
}

.video-info h3 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}

.video-tag {
  display: inline-block;
  padding: 3px 8px;
  background: var(--primary-tint);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  margin-top: 8px;
}

.subscribe-section {
  background: var(--charcoal);
  color: white;
  padding: 72px 0;
  margin: 80px 0;
  border-radius: 20px;
}

.subscribe-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.subscribe-content h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 38px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
}

.subscribe-content h2 em {
  font-style: italic;
  color: var(--primary-tint);
}

.subscribe-content p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 32px;
  opacity: 0.9;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.subscribe-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 15px;
  backdrop-filter: blur(8px);
}

.subscribe-form input::placeholder {
  color: rgba(255,255,255,0.6);
}

.subscribe-form button {
  padding: 14px 32px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.subscribe-form button:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

.faq-section {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 16px;
  transition: var(--transition);
}

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

.faq-item h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq-item h3::before {
  content: 'Q';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--primary-tint);
  color: var(--primary);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.faq-item p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  padding-left: 40px;
}

.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  padding: 72px 60px;
  border-radius: 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
  position: relative;
}

.cta-section p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 32px;
  opacity: 0.95;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

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

.site-footer {
  background: #14180F;
  color: rgba(255,255,255,0.75);
  padding: 72px 0 32px;
  margin-top: 80px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.foot-brand .logo {
  color: white;
  margin-bottom: 20px;
}

.foot-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
}

.foot-col h6 {
  font-size: 15px;
  font-weight: 500;
  color: white;
  margin-bottom: 20px;
}

.foot-col ul {
  list-style: none;
}

.foot-col ul li {
  margin-bottom: 12px;
}

.foot-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.foot-col ul a:hover {
  color: var(--primary-tint);
}

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

@media (max-width: 1024px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .hero-content h1 {
    font-size: 44px;
  }
  .section-header h2 {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  .nav {
    height: 64px;
    gap: 16px;
  }
  .nav-list {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: 20px 24px;
    box-shadow: var(--shadow-md);
    gap: 16px;
  }
  .nav-list.open {
    display: flex;
  }
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .hero-inner {
    padding: 56px 32px;
    min-height: 420px;
  }
  .hero-content h1 {
    font-size: 34px;
  }
  .hero-content p {
    font-size: 16px;
  }
  .section {
    padding: 56px 0;
  }
  .section-header h2 {
    font-size: 28px;
  }
  .cta-section {
    padding: 48px 28px;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .subscribe-content h2 {
    font-size: 28px;
  }
  .subscribe-form {
    flex-direction: column;
  }
  .foot-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .foot-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .hero-inner {
    padding: 40px 24px;
    margin: 20px 0 40px;
  }
  .hero-content h1 {
    font-size: 28px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .btn {
    justify-content: center;
    width: 100%;
  }
  .timeline-item {
    gap: 16px;
  }
  .timeline-content {
    padding: 18px;
  }
  .stat-number {
    font-size: 40px;
  }
}

/* roulang page: article */
:root{
  --c-bg:#0b0710;
  --c-bg-2:#140a1c;
  --c-surface:#1a1024;
  --c-surface-2:#221430;
  --c-border:rgba(255,255,255,.08);
  --c-border-strong:rgba(255,255,255,.16);
  --c-text:#f4ecff;
  --c-text-soft:#c9bcda;
  --c-text-mute:#8b7ea0;
  --c-primary:#ff3d7f;
  --c-primary-2:#ff6ea6;
  --c-accent:#a566ff;
  --c-gold:#f5c56b;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 12px 40px -18px rgba(255,61,127,.45);
  --shadow-soft:0 8px 32px -12px rgba(0,0,0,.55);
  --grad-primary:linear-gradient(135deg,#ff3d7f 0%,#a566ff 100%);
  --grad-dark:linear-gradient(180deg,#160b20 0%,#0b0710 100%);
  --sp-1:.5rem; --sp-2:1rem; --sp-3:1.5rem; --sp-4:2rem; --sp-6:3rem; --sp-8:4.5rem;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
*::selection{background:var(--c-primary);color:#fff}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 600px at 10% -10%,rgba(165,102,255,.18),transparent 60%),radial-gradient(900px 500px at 90% 0%,rgba(255,61,127,.14),transparent 60%);
}
a{color:var(--c-text);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-2)}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;line-height:1.3;font-weight:700;letter-spacing:.02em}
p{margin:0 0 1em}
ul{padding-left:1.2em;margin:0 0 1em}

.container{max-width:1200px;margin:0 auto;padding:0 var(--sp-3)}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,7,16,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.site-header .nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:var(--sp-3)}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.1rem}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--grad-primary);
  display:grid;place-items:center;color:#fff;font-weight:800;
  box-shadow:0 6px 16px -6px rgba(255,61,127,.7);
}
.logo-text{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;gap:.4rem;align-items:center}
.nav-list a{
  padding:.55rem .95rem;border-radius:10px;font-size:.95rem;color:var(--c-text-soft);
  transition:all .2s;
}
.nav-list a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-list a.active{background:rgba(255,61,127,.15);color:var(--c-primary-2)}
.nav-cta{
  padding:.6rem 1.15rem;border-radius:999px;
  background:var(--grad-primary);color:#fff !important;font-weight:600;font-size:.9rem;
  box-shadow:var(--shadow);
}
.nav-cta:hover{transform:translateY(-1px);filter:brightness(1.05)}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;position:relative;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:8px;right:8px;height:2px;background:#fff;border-radius:2px;transition:.2s;
}
.nav-toggle span{top:50%;transform:translateY(-50%)}
.nav-toggle span::before{top:-8px}
.nav-toggle span::after{top:8px}

/* article hero */
.article-hero{
  position:relative;
  padding:var(--sp-8) 0 var(--sp-6);
  background:
    linear-gradient(180deg,rgba(11,7,16,.35),rgba(11,7,16,.95)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--c-border);
}
.crumbs{
  font-size:.85rem;color:var(--c-text-mute);
  display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.2rem;
}
.crumbs a{color:var(--c-text-soft)}
.crumbs a:hover{color:var(--c-primary-2)}
.crumbs .sep{opacity:.5}
.article-tag{
  display:inline-block;padding:.35rem .9rem;
  border:1px solid var(--c-border-strong);border-radius:999px;
  font-size:.8rem;color:var(--c-gold);margin-bottom:1rem;
  background:rgba(245,197,107,.08);
}
.article-title{
  font-size:clamp(1.8rem,3.6vw,2.9rem);
  line-height:1.25;margin-bottom:1.2rem;
  max-width:900px;
  background:linear-gradient(180deg,#fff 0%,#e2d6f7 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:1.4rem;color:var(--c-text-mute);font-size:.9rem;
  padding-top:1rem;border-top:1px dashed var(--c-border);
}
.article-meta span{display:inline-flex;align-items:center;gap:.4rem}
.article-meta i{
  display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}

/* layout */
.article-layout{
  padding:var(--sp-6) 0 var(--sp-8);
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:var(--sp-4);
}

/* main content card */
.article-body{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:clamp(1.5rem,3vw,2.6rem);
  box-shadow:var(--shadow-soft);
}
.article-body .content{
  color:var(--c-text-soft);font-size:1.02rem;
}
.article-body .content h2{
  font-size:1.45rem;margin:2rem 0 .8rem;color:#fff;
  padding-left:.8rem;border-left:4px solid var(--c-primary);
}
.article-body .content h3{font-size:1.2rem;color:#fff;margin:1.6rem 0 .6rem}
.article-body .content p{margin:0 0 1.1em}
.article-body .content a{color:var(--c-primary-2);text-decoration:underline;text-underline-offset:3px}
.article-body .content img{border-radius:var(--radius);margin:1.2rem 0;border:1px solid var(--c-border)}
.article-body .content ul,.article-body .content ol{padding-left:1.4em}
.article-body .content li{margin-bottom:.4em}
.article-body .content blockquote{
  margin:1.4rem 0;padding:1rem 1.2rem;
  border-left:3px solid var(--c-accent);
  background:rgba(165,102,255,.08);border-radius:0 var(--radius) var(--radius) 0;
  color:var(--c-text);
}
.article-body .content code{
  background:rgba(255,255,255,.06);padding:.15em .45em;border-radius:6px;font-size:.92em;
}
.empty-state{
  text-align:center;padding:3rem 1rem;
}
.empty-state h2{font-size:1.5rem;margin-bottom:.6rem}
.empty-state p{color:var(--c-text-mute);margin-bottom:1.4rem}
.empty-state .btn{display:inline-block}

/* share bar */
.share-bar{
  margin-top:2rem;padding-top:1.4rem;border-top:1px solid var(--c-border);
  display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;
}
.share-bar .lbl{color:var(--c-text-mute);font-size:.9rem;margin-right:.4rem}
.chip{
  padding:.4rem .85rem;border-radius:999px;font-size:.82rem;
  background:rgba(255,255,255,.05);border:1px solid var(--c-border);color:var(--c-text-soft);
  transition:.2s;cursor:pointer;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-2);background:rgba(255,61,127,.08)}

/* sidebar */
.side{display:flex;flex-direction:column;gap:var(--sp-3);position:sticky;top:88px;align-self:start}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:1.4rem;
}
.side-card h4{
  font-size:1rem;margin-bottom:1rem;padding-bottom:.7rem;
  border-bottom:1px solid var(--c-border);display:flex;align-items:center;gap:.5rem;
}
.side-card h4::before{
  content:"";width:4px;height:16px;background:var(--grad-primary);border-radius:2px;
}
.side-card ul{list-style:none;padding:0;margin:0}
.side-card li{margin-bottom:.7rem}
.side-card li a{
  display:flex;gap:.7rem;align-items:flex-start;
  padding:.4rem 0;color:var(--c-text-soft);font-size:.9rem;line-height:1.5;
}
.side-card li a:hover{color:var(--c-primary-2)}
.side-card .num{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:rgba(255,61,127,.12);color:var(--c-primary-2);
  display:grid;place-items:center;font-size:.75rem;font-weight:700;
}
.side-card li:nth-child(-n+3) .num{background:var(--grad-primary);color:#fff}
.tag-cloud{display:flex;flex-wrap:wrap;gap:.5rem}
.tag-cloud a{
  padding:.35rem .75rem;font-size:.8rem;border-radius:6px;
  background:rgba(255,255,255,.04);border:1px solid var(--c-border);color:var(--c-text-soft);
}
.tag-cloud a:hover{background:rgba(255,61,127,.1);border-color:var(--c-primary);color:var(--c-primary-2)}
.side-cover{border-radius:var(--radius);overflow:hidden;position:relative;margin-bottom:1rem}
.side-cover img{aspect-ratio:16/10;object-fit:cover;width:100%}
.side-cover::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.6));
}
.side-cta p{color:var(--c-text-soft);font-size:.9rem;margin-bottom:1rem}

/* related grid */
.related-section{padding:var(--sp-6) 0;border-top:1px solid var(--c-border);background:var(--c-bg-2)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}
.sec-head h2{font-size:clamp(1.4rem,2.4vw,2rem);margin:0}
.sec-head .kicker{color:var(--c-text-mute);font-size:.88rem;margin-bottom:.4rem;letter-spacing:.15em;text-transform:uppercase}
.related-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.4rem;
}
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--c-border-strong);box-shadow:var(--shadow)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-thumb .badge{
  position:absolute;top:.7rem;left:.7rem;padding:.25rem .6rem;font-size:.72rem;
  border-radius:6px;background:rgba(11,7,16,.75);color:var(--c-gold);
  backdrop-filter:blur(6px);border:1px solid rgba(245,197,107,.3);
}
.rel-thumb .duration{
  position:absolute;bottom:.7rem;right:.7rem;padding:.2rem .5rem;font-size:.72rem;
  border-radius:4px;background:rgba(0,0,0,.7);color:#fff;
}
.rel-body{padding:1rem 1.1rem 1.2rem;display:flex;flex-direction:column;flex:1}
.rel-body h3{font-size:1rem;margin-bottom:.5rem;line-height:1.4}
.rel-body h3 a{color:#fff}
.rel-body h3 a:hover{color:var(--c-primary-2)}
.rel-body .meta{margin-top:auto;padding-top:.8rem;font-size:.8rem;color:var(--c-text-mute);display:flex;justify-content:space-between}

/* CTA */
.article-cta{
  padding:var(--sp-6) 0;
  background:
    linear-gradient(135deg,rgba(255,61,127,.18),rgba(165,102,255,.18)),
    var(--c-bg-2);
  border-top:1px solid var(--c-border);
  border-bottom:1px solid var(--c-border);
}
.cta-inner{
  display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap;
  background:rgba(11,7,16,.4);backdrop-filter:blur(8px);
  border:1px solid var(--c-border-strong);border-radius:var(--radius-lg);
  padding:2.2rem;
}
.cta-inner h2{font-size:1.6rem;margin-bottom:.5rem}
.cta-inner p{color:var(--c-text-soft);margin:0;max-width:560px}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.6rem;border-radius:999px;font-weight:600;font-size:.95rem;
  background:var(--grad-primary);color:#fff !important;border:0;cursor:pointer;
  box-shadow:var(--shadow);transition:.2s;
}
.btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn.ghost{background:transparent;border:1px solid var(--c-border-strong);color:#fff !important;box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.06)}

/* footer */
.site-footer{background:var(--grad-dark);border-top:1px solid var(--c-border);padding:var(--sp-6) 0 var(--sp-3);color:var(--c-text-mute);font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:var(--sp-4);margin-bottom:var(--sp-4)}
.foot-brand p{color:var(--c-text-mute);margin-top:1rem;max-width:320px}
.foot-col h6{color:#fff;font-size:.95rem;margin-bottom:1rem;letter-spacing:.05em}
.foot-col ul{list-style:none;padding:0}
.foot-col li{margin-bottom:.55rem}
.foot-col a{color:var(--c-text-mute)}
.foot-col a:hover{color:var(--c-primary-2)}
.foot-bottom{
  padding-top:1.4rem;border-top:1px solid var(--c-border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.82rem;color:var(--c-text-mute);
}

/* responsive */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr}
  .side{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-list{
    display:none;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;padding:1rem;gap:.2rem;
    background:rgba(11,7,16,.98);border-bottom:1px solid var(--c-border);
    backdrop-filter:blur(12px);
  }
  .nav-list.open{display:flex}
  .nav-list a{width:100%;padding:.8rem 1rem}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .article-hero{padding:3rem 0 2.4rem}
  .related-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
  .cta-inner{padding:1.6rem;text-align:center;justify-content:center}
  .cta-inner p{margin:0 auto}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr;gap:2rem}
  .article-body{padding:1.3rem}
  .article-meta{gap:.9rem}
  .foot-bottom{flex-direction:column;text-align:center}
}