/* roulang page: index */
:root{--bg:#0B1020;--bg2:#131A2E;--bg3:#1B2338;--gold:#E8B64C;--gold2:#F0C96A;--silver:#A7B0C3;--green:#3DD68C;--red:#F24E5A;--blue:#7FB4FF;--t1:#F4F6FB;--t2:#B8C0D0;--t3:#8A93A7;--bd:rgba(255,255,255,.08);--r:16px;--rb:10px;--sh:0 8px 24px rgba(0,0,0,.35);--sh2:0 14px 36px rgba(0,0,0,.5);--font:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font);background:var(--bg);color:var(--t1);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:1rem}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
@media(max-width:768px){.section{padding:56px 0}.container{padding:0 16px}}
.section-tag{display:inline-block;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);border:1px solid rgba(232,182,76,.3);padding:4px 14px;border-radius:999px;margin-bottom:14px;font-weight:500}
.section-head{max-width:760px;margin-bottom:52px}
.section-head h2{font-size:clamp(28px,3.4vw,38px);font-weight:700;line-height:1.25;margin-bottom:14px;letter-spacing:.5px}
.section-head p{color:var(--t2);font-size:16px;line-height:1.7}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--rb);font-weight:600;font-size:16px;line-height:1.4;border:2px solid transparent;cursor:pointer;transition:all .25s ease;min-height:44px}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.btn-primary{background:var(--gold);color:#1a1300}
.btn-primary:hover{background:var(--gold2);transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,182,76,.25)}
.btn-outline{background:transparent;color:var(--gold);border-color:var(--gold)}
.btn-outline:hover{background:rgba(232,182,76,.08);transform:translateY(-2px)}
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,16,32,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--bd)}
.nav-wrap{display:flex;align-items:center;height:72px;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;white-space:nowrap}
.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--gold);color:#1a1300;border-radius:9px;font-size:17px;line-height:1;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{position:relative;padding:25px 14px 21px;font-size:15px;font-weight:500;color:var(--t2);transition:color .2s;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;background:var(--gold);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--t1)}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.live-dot{width:7px;height:7px;background:var(--green);border-radius:50%;box-shadow:0 0 0 3px rgba(61,214,140,.18);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(61,214,140,.18)}50%{box-shadow:0 0 0 6px rgba(61,214,140,.12)}}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--t1);border-radius:2px;transition:all .3s}
.hero{position:relative;display:flex;align-items:center;min-height:680px;padding:120px 0 100px;background-size:cover;background-position:center}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,16,32,.94) 0%,rgba(11,16,32,.75) 55%,rgba(11,16,32,.45) 100%)}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 20%,rgba(232,182,76,.08) 0%,transparent 55%)}
.hero-content{position:relative;z-index:2;max-width:800px}
.hero h1{font-size:clamp(36px,5vw,54px);font-weight:700;line-height:1.18;margin-bottom:24px;letter-spacing:.5px}
.hero h1 .gold{color:var(--gold)}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:var(--t2);max-width:620px;margin-bottom:38px;line-height:1.75}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-badges{display:flex;gap:26px;flex-wrap:wrap}
.h-badge{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--t2)}
.h-badge i{width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0}
.services{background:var(--bg)}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.service-card{position:relative;background:var(--bg3);border-radius:var(--r);padding:32px 26px;border:1px solid transparent;box-shadow:var(--sh);transition:all .3s ease;overflow:hidden}
.service-card::before{content:"✦";position:absolute;top:-10px;right:14px;font-size:58px;color:rgba(232,182,76,.08);line-height:1;transform:rotate(15deg)}
.service-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(232,182,76,.45)}
.service-card:hover::before{color:rgba(232,182,76,.16)}
.card-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:13px;background:rgba(232,182,76,.1);color:var(--gold);font-size:22px;margin-bottom:20px;border:1px solid rgba(232,182,76,.2)}
.service-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.service-card p{color:var(--t2);font-size:14px;line-height:1.7;margin-bottom:18px}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--gold);transition:gap .25s}
.card-link:hover{gap:10px;color:var(--gold2)}
.stats{background:var(--bg2);border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.stats-head{text-align:center;margin-bottom:48px}
.stats-head h2{font-size:clamp(26px,3vw,34px);font-weight:700}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item{display:flex;flex-direction:column;gap:8px;padding:20px 8px}
.stat-num{font-size:clamp(36px,4vw,52px);font-weight:800;color:var(--gold);line-height:1.1;letter-spacing:-1px}
.stat-label{font-size:15px;color:var(--t2)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--bg3);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:all .3s ease;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border:1px solid rgba(232,182,76,.35)}
.case-image{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg2)}
.case-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease,filter .3s;filter:brightness(.85)}
.case-card:hover .case-image img{transform:scale(1.05);filter:brightness(1)}
.case-image::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,16,32,.55),transparent 55%)}
.case-tag{position:absolute;top:14px;left:14px;z-index:3;background:rgba(11,16,32,.75);backdrop-filter:blur(6px);color:var(--gold);font-size:12px;padding:4px 12px;border-radius:999px;border:1px solid rgba(232,182,76,.3)}
.case-body{padding:24px 24px 28px;flex:1;display:flex;flex-direction:column;gap:10px}
.case-body h3{font-size:19px;font-weight:700}
.case-body p{color:var(--t2);font-size:14px;line-height:1.7}
.solutions{background:var(--bg)}
.solution-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.solution-text .section-tag{margin-bottom:16px}
.solution-text h2{font-size:clamp(28px,3vw,36px);font-weight:700;line-height:1.25;margin-bottom:28px}
.solution-item{margin-bottom:26px;padding-left:20px;border-left:3px solid rgba(232,182,76,.4)}
.solution-item h3{font-size:18px;font-weight:700;margin-bottom:6px;color:var(--t1)}
.solution-item p{color:var(--t2);font-size:15px;line-height:1.7}
.solution-item + .btn{margin-top:12px}
.solution-media{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh2)}
.solution-media img{width:100%;height:440px;object-fit:cover;filter:brightness(.75)}
.solution-float-card{position:absolute;left:20px;bottom:20px;right:20px;background:rgba(19,26,46,.85);backdrop-filter:blur(10px);border:1px solid rgba(232,182,76,.25);border-radius:14px;padding:18px 22px;display:flex;align-items:center;gap:14px;box-shadow:var(--sh)}
.float-icon{width:42px;height:42px;border-radius:10px;background:rgba(232,182,76,.12);color:var(--gold);display:inline-flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.solution-float-card strong{font-size:16px;color:var(--t1);display:block}
.solution-float-card p{font-size:13px;color:var(--t3);line-height:1.5;margin-top:2px}
.faq{background:var(--bg2);border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.faq-wrap{max-width:900px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--bg3);border-radius:14px;border:1px solid var(--bd);overflow:hidden;transition:border-color .3s}
.faq-item[open]{border-color:rgba(232,182,76,.35)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px;font-size:16px;font-weight:600;color:var(--t1);background:none;border:0;cursor:pointer;text-align:left;transition:color .25s}
.faq-question:hover{color:var(--gold)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .25s}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--gold);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 26px 22px;color:var(--t2);font-size:15px;line-height:1.75}
.news-section{background:var(--bg)}
.news-list{display:flex;flex-direction:column}
.news-item{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:26px 8px;border-bottom:1px solid var(--bd);transition:background .2s}
.news-item:hover{background:rgba(255,255,255,.02)}
.news-item:first-child{padding-top:0}
.news-info{flex:1;min-width:0}
.news-info h3{font-size:18px;font-weight:600;margin-bottom:6px}
.news-info h3 a{transition:color .25s}
.news-info h3 a:hover{color:var(--gold)}
.news-info p{color:var(--t2);font-size:14px;line-height:1.65;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0}
.news-badge{background:rgba(232,182,76,.1);color:var(--gold);border:1px solid rgba(232,182,76,.25);font-size:12px;padding:3px 12px;border-radius:999px;white-space:nowrap}
.news-meta time{font-size:13px;color:var(--t3);white-space:nowrap}
.empty-state{width:100%;padding:60px 24px;text-align:center;border:2px dashed rgba(255,255,255,.12);border-radius:var(--r);color:var(--t3);font-size:15px}
.contact{background:var(--bg2);background-image:radial-gradient(circle at 85% 90%,rgba(232,182,76,.06) 0%,transparent 50%);border-top:1px solid var(--bd)}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:flex-start}
.contact-info h2{font-size:clamp(28px,3vw,36px);font-weight:700;margin-bottom:18px}
.contact-info>p{color:var(--t2);font-size:16px;line-height:1.75;margin-bottom:24px}
.contact-meta{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.contact-meta li{display:flex;align-items:center;gap:10px;color:var(--t2);font-size:15px}
.contact-meta li i{color:var(--gold);font-style:normal;font-weight:600}
.contact-form{background:var(--bg3);border-radius:var(--r);padding:32px;box-shadow:var(--sh);border:1px solid var(--bd);display:flex;flex-direction:column;gap:16px}
.contact-form input,.contact-form textarea{width:100%;padding:14px 16px;border-radius:var(--rb);border:1px solid rgba(255,255,255,.1);background:var(--bg2);color:var(--t1);font-size:15px;transition:border-color .25s,box-shadow .25s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(232,182,76,.15)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--t3)}
.contact-form textarea{min-height:120px;resize:vertical}
.contact-form button{align-self:flex-start;min-width:160px}
.site-footer{background:var(--bg);border-top:1px solid var(--bd);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .brand{font-size:19px;margin-bottom:16px}
.footer-brand p{color:var(--t2);font-size:14px;line-height:1.75;max-width:280px}
.footer-nav h4,.footer-contact h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px;letter-spacing:1px}
.footer-nav a{display:block;color:var(--t2);font-size:14px;padding:5px 0;transition:color .2s}
.footer-nav a:hover{color:var(--gold)}
.footer-contact p{color:var(--t2);font-size:14px;padding:4px 0}
.footer-bottom{border-top:1px solid var(--bd);padding:20px 0;text-align:center}
.footer-bottom p{font-size:13px;color:var(--t3)}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--gold)}
@media(max-width:1024px){
.services-grid{grid-template-columns:repeat(2,1fr)}
.stats-grid{gap:16px}
.solution-wrap{gap:40px}
}
@media(max-width:768px){
.nav-links{position:fixed;top:72px;left:0;right:0;background:rgba(11,16,32,.97);flex-direction:column;align-items:flex-start;padding:16px 24px 24px;gap:4px;border-bottom:1px solid var(--bd);transform:translateY(-120%);transition:transform .3s ease;z-index:99}
.nav-links.open{transform:translateY(0)}
.nav-link{display:block;width:100%;padding:12px 8px;font-size:16px}
.nav-link::after{display:none}
.menu-toggle{display:flex}
.nav-cta{margin-left:0}
.nav-cta .btn{padding:9px 18px;font-size:14px}
.nav-cta .live-dot{display:none}
.hero{min-height:540px;padding:84px 0 72px}
.hero-actions .btn{flex:1;max-width:100%}
.hero-badges{gap:14px;justify-content:flex-start}
.h-badge{font-size:13px}
.cases-grid{grid-template-columns:1fr}
.solution-wrap{grid-template-columns:1fr;gap:36px}
.solution-media img{height:300px}
.contact-wrap{grid-template-columns:1fr;gap:40px}
.footer-grid{grid-template-columns:1fr;gap:32px}
.section{padding:56px 0}
.news-item{flex-direction:column;align-items:flex-start;gap:12px}
.news-meta{flex-direction:row;align-items:center}
}
@media(max-width:480px){
.services-grid,.cases-grid{grid-template-columns:1fr}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.stat-num{font-size:36px}
.hero h1{font-size:32px}
.hero-actions{flex-direction:column}
.hero-actions .btn{width:100%}
.btn{padding:12px 20px}
.contact-form{padding:24px}
.footer-grid{gap:28px}
.container{padding:0 16px}
.nav-wrap{gap:12px}
.brand-text{font-size:16px}
.brand-icon{width:30px;height:30px;font-size:15px}
}

/* roulang page: category1 */
:root {
  --bg-primary: #0B1020;
  --bg-secondary: #131A2E;
  --bg-card: #1B2338;
  --accent-gold: #E8B64C;
  --silver-mist: #A7B0C3;
  --text-primary: #F4F6FB;
  --text-secondary: #B8C0D0;
  --text-muted: #8A93A7;
  --success: #3DD68C;
  --warning: #F24E5A;
  --info: #7FB4FF;
  --border-line: rgba(255, 255, 255, 0.08);
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 14px 36px rgba(0, 0, 0, 0.5);
  --container-max: 1200px;
  --font-main: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-en: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

img {
  display: block;
  max-width: 100%;
  background-color: var(--bg-card);
  color: var(--silver-mist);
  font-size: 14px;
  min-height: 60px;
  object-fit: cover;
}

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

ul,
ol {
  list-style: none;
}

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

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

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-gold);
  background: rgba(232, 182, 76, 0.12);
  border: 1px solid rgba(232, 182, 76, 0.3);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

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

h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

p {
  margin-bottom: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  min-height: 44px;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent-gold);
  color: #0B1020;
  border-color: var(--accent-gold);
}

.btn-primary:hover {
  background: #F0C56C;
  border-color: #F0C56C;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(232, 182, 76, 0.25);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 3px;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--accent-gold);
}

.btn-outline:hover {
  background: rgba(232, 182, 76, 0.1);
  transform: translateY(-2px);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 3px;
}

.btn-block {
  width: 100%;
}

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 16, 32, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-icon {
  color: var(--accent-gold);
  font-size: 24px;
  display: inline-block;
  animation: twinkle 3s infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.7; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1.1); }
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  position: relative;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color 0.2s;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--accent-gold);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-actions .btn {
  padding: 10px 20px;
  font-size: 14px;
  min-height: 40px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

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

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

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

/* ========== Hero ========== */
.page-hero {
  position: relative;
  padding: 96px 0 88px;
  background-image: linear-gradient(180deg, rgba(11,16,32,0.85) 0%, rgba(11,16,32,0.45) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border-line);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 20%, rgba(232, 182, 76, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-gold);
  background: rgba(232, 182, 76, 0.12);
  border: 1px solid rgba(232, 182, 76, 0.3);
  border-radius: 999px;
  padding: 5px 16px;
  margin-bottom: 24px;
}

.page-hero h1 {
  font-size: 46px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.page-hero p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

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

/* ========== Intro Section ========== */
.intro-section {
  padding: 88px 0;
  background: var(--bg-primary);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.intro-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-line);
}

.intro-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  min-height: 260px;
}

.intro-content .section-tag {
  margin-bottom: 8px;
}

.intro-content h2 {
  margin-bottom: 16px;
}

.intro-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.intro-list {
  margin-top: 24px;
}

.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-primary);
  font-weight: 500;
  border-bottom: 1px solid var(--border-line);
}

.intro-list li:last-child {
  border-bottom: none;
}

.intro-list li::before {
  content: "✦";
  color: var(--accent-gold);
  font-size: 14px;
  line-height: 1.6;
  flex-shrink: 0;
}

/* ========== Features ========== */
.features-section {
  padding: 88px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}

.section-head h2 {
  margin-bottom: 12px;
}

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

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

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232, 182, 76, 0.4);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(232, 182, 76, 0.12);
  color: var(--accent-gold);
  font-size: 22px;
  margin-bottom: 18px;
}

.feature-card h3 {
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 0;
  line-height: 1.65;
}

/* ========== Related Cards ========== */
.related-section {
  padding: 88px 0;
  background: var(--bg-primary);
}

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

.related-card {
  position: relative;
  display: block;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232, 182, 76, 0.4);
}

.related-icon {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 20px;
  color: var(--accent-gold);
  opacity: 0.8;
  transition: transform 0.25s;
}

.related-card:hover .related-icon {
  transform: translate(3px, -3px);
}

.related-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
  padding-right: 30px;
}

.related-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 0;
  line-height: 1.65;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 88px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-line);
}

.faq-container {
  max-width: 900px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: border-color 0.25s;
}

.faq-item.active {
  border-color: rgba(232, 182, 76, 0.4);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s;
}

.faq-question::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(232, 182, 76, 0.12);
  color: var(--accent-gold);
  font-size: 18px;
  line-height: 1;
  transition: transform 0.25s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 24px;
  color: var(--text-secondary);
}

.faq-item.active .faq-answer {
  max-height: 240px;
  padding-bottom: 20px;
}

.faq-answer p {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.7;
}

/* ========== CTA ========== */
.cta-section {
  padding: 88px 0;
  background: var(--bg-primary);
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.cta-info h2 {
  margin-bottom: 16px;
}

.cta-info > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  max-width: 420px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-info p {
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-info p::before {
  content: "✦";
  color: var(--accent-gold);
  font-size: 12px;
}

.cta-form-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 36px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.cta-form-card form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: var(--bg-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-btn);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text-primary);
  transition: border-color 0.25s, box-shadow 0.25s;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #565f73;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(232, 182, 76, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-line);
  padding-top: 64px;
}

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

.footer-brand .brand {
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 340px;
  line-height: 1.7;
}

.footer-nav h4,
.footer-contact h4 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-nav a {
  display: block;
  color: var(--text-secondary);
  font-size: 15px;
  padding: 6px 0;
  transition: color 0.2s;
}

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

.footer-contact p {
  color: var(--text-secondary);
  font-size: 14px;
  padding: 4px 0;
  margin-bottom: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border-line);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 0;
}

.footer-bottom a {
  color: var(--silver-mist);
  transition: color 0.2s;
}

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

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .intro-grid,
  .cta-grid {
    gap: 36px;
  }

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

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  h2 {
    font-size: 28px;
  }

  .page-hero {
    padding: 72px 0 64px;
  }

  .page-hero h1 {
    font-size: 36px;
  }

  .page-hero p {
    font-size: 16px;
  }

  .hero-actions .btn {
    width: 100%;
    margin-bottom: 8px;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    width: 260px;
    height: auto;
    border-left: 1px solid var(--border-line);
    border-bottom: 1px solid var(--border-line);
    border-radius: 0 0 0 16px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -16px 16px 40px rgba(0, 0, 0, 0.4);
    z-index: 999;
  }

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

  .nav-link {
    display: block;
    padding: 14px 12px;
    text-align: right;
  }

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

  .nav-link.active {
    color: var(--accent-gold);
  }

  .nav-toggle {
    display: flex;
  }

  .intro-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .intro-media img {
    aspect-ratio: 16 / 10;
  }

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

  .cta-form-card {
    padding: 24px;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  body {
    font-size: 15px;
  }

  h2 {
    font-size: 26px;
  }

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

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

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

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

  .page-hero,
  .intro-section,
  .features-section,
  .related-section,
  .faq-section,
  .cta-section {
    padding: 56px 0;
  }

  .btn {
    width: 100%;
  }

  .header-actions .btn {
    display: none;
  }

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

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

  .header-inner {
    height: 64px;
  }

  .nav-links {
    top: 64px;
  }
}

/* roulang page: article */
:root{
    --bg-primary:#0B1020;
    --bg-secondary:#131A2E;
    --bg-card:#1B2338;
    --accent:#E8B64C;
    --accent-dark:#D4A63B;
    --text-light:#F4F6FB;
    --text-body:#B8C0D0;
    --text-muted:#8A93A7;
    --border-line:rgba(255,255,255,0.08);
    --success:#3DD68C;
    --warning:#F24E5A;
    --info:#7FB4FF;
    --radius:16px;
    --radius-sm:10px;
    --shadow:0 8px 24px rgba(0,0,0,0.35);
    --shadow-lg:0 14px 36px rgba(0,0,0,0.5);
    --max-w:1200px;
    --font-cn:'Microsoft YaHei','PingFang SC','Noto Sans SC','Inter',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
    font-family:var(--font-cn);
    background:var(--bg-primary);
    color:var(--text-light);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font-family:inherit;}

.container{
    max-width:var(--max-w);
    margin:0 auto;
    padding:0 24px;
}
.container-narrow{
    max-width:820px;
    margin:0 auto;
    padding:0 24px;
}
.container-narrower{
    max-width:760px;
    margin:0 auto;
    padding:0 24px;
}

/* ===== Buttons ===== */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 28px;
    border-radius:10px;
    font-size:15px;
    font-weight:600;
    border:2px solid transparent;
    cursor:pointer;
    transition:all .25s ease;
    line-height:1.4;
    white-space:nowrap;
}
.btn-primary{
    background:var(--accent);
    color:#0B1020;
    box-shadow:0 4px 16px rgba(232,182,76,0.25);
}
.btn-primary:hover{
    background:#F0C25F;
    transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(232,182,76,0.35);
}
.btn-primary:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
}
.btn-primary:active{
    transform:translateY(0);
    background:var(--accent-dark);
}
.btn-outline{
    background:transparent;
    border-color:var(--accent);
    color:var(--accent);
}
.btn-outline:hover{
    background:rgba(232,182,76,0.12);
    transform:translateY(-2px);
}
.btn-outline:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
}
.btn-outline:active{
    transform:translateY(0);
}
.btn-sm{
    padding:9px 20px;
    font-size:14px;
}

/* ===== Header ===== */
.site-header{
    position:sticky;
    top:0;
    z-index:1000;
    background:rgba(11,16,32,0.82);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border-line);
    transition:background .3s ease;
}
@supports not (backdrop-filter:blur(14px)){
    .site-header{background:var(--bg-primary);}
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:72px;
    gap:24px;
}
.brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
}
.brand-icon{
    font-size:22px;
    color:var(--accent);
    line-height:1;
}
.brand-text{
    font-size:20px;
    font-weight:700;
    letter-spacing:.5px;
    color:var(--text-light);
}
.nav-links{
    display:flex;
    align-items:center;
    gap:6px;
    margin:0 auto;
}
.nav-link{
    position:relative;
    padding:10px 18px;
    font-size:15px;
    font-weight:500;
    color:var(--text-body);
    border-radius:8px;
    transition:color .25s ease;
}
.nav-link::after{
    content:'';
    position:absolute;
    left:18px;
    right:18px;
    bottom:4px;
    height:2px;
    background:var(--accent);
    border-radius:2px;
    transform:scaleX(0);
    transition:transform .25s ease;
}
.nav-link:hover{
    color:var(--text-light);
}
.nav-link:hover::after{
    transform:scaleX(1);
}
.nav-link.active{
    color:var(--text-light);
    font-weight:600;
}
.nav-link.active::after{
    transform:scaleX(1);
}
.nav-link:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
}
.header-actions{
    display:flex;
    align-items:center;
    gap:16px;
    flex-shrink:0;
}
.live-badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    font-weight:600;
    color:var(--text-body);
    background:rgba(61,214,140,0.1);
    padding:4px 12px;
    border-radius:20px;
    border:1px solid rgba(61,214,140,0.25);
}
.live-dot{
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--success);
    position:relative;
}
.live-dot::after{
    content:'';
    position:absolute;
    inset:-3px;
    border-radius:50%;
    background:var(--success);
    opacity:.5;
    animation:pulse 1.8s infinite;
}
@keyframes pulse{
    0%{transform:scale(.6);opacity:.6;}
    70%{transform:scale(1.5);opacity:0;}
    100%{opacity:0;}
}
.nav-toggle{
    display:none;
    flex-direction:column;
    gap:5px;
    background:none;
    border:none;
    cursor:pointer;
    padding:8px;
    border-radius:8px;
}
.nav-toggle span{
    width:22px;
    height:2px;
    background:var(--text-light);
    border-radius:2px;
    transition:all .3s ease;
}
.nav-toggle:hover span{
    background:var(--accent);
}
.nav-toggle:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
}
.nav-toggle.open span:nth-child(1){
    transform:translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2){
    opacity:0;
}
.nav-toggle.open span:nth-child(3){
    transform:translateY(-7px) rotate(-45deg);
}

/* ===== Breadcrumb ===== */
.breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--text-muted);
    padding-top:36px;
    margin-bottom:20px;
}
.breadcrumb a{
    color:var(--text-muted);
    transition:color .2s;
}
.breadcrumb a:hover{
    color:var(--accent);
}
.breadcrumb .sep{
    color:var(--text-muted);
    opacity:.6;
}
.breadcrumb .current{
    color:var(--text-body);
    max-width:260px;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}

/* ===== Article Hero ===== */
.article-hero{
    position:relative;
    background:
        linear-gradient(180deg, rgba(11,16,32,0.92) 0%, rgba(11,16,32,0.85) 40%, var(--bg-primary) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    background-color:var(--bg-primary);
    border-bottom:1px solid var(--border-line);
    padding-bottom:44px;
}
.article-hero::before{
    content:'';
    position:absolute;
    top:0;
    right:0;
    width:320px;
    height:320px;
    background:radial-gradient(circle at center, rgba(232,182,76,0.08) 0%, transparent 70%);
    pointer-events:none;
}
.article-head{
    position:relative;
    max-width:860px;
}
.article-tag-row{
    margin-bottom:14px;
}
.article-tag{
    display:inline-block;
    padding:5px 14px;
    border-radius:20px;
    font-size:13px;
    font-weight:600;
    color:var(--accent);
    background:rgba(232,182,76,0.12);
    border:1px solid rgba(232,182,76,0.3);
}
.article-head h1{
    font-size:40px;
    font-weight:700;
    line-height:1.3;
    color:var(--text-light);
    letter-spacing:.5px;
    margin-bottom:16px;
}
.article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:18px;
    font-size:14px;
    color:var(--text-muted);
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.meta-item svg{
    width:15px;
    height:15px;
    color:var(--accent);
}

/* ===== Article Section ===== */
.article-section{
    padding:48px 0 64px;
    position:relative;
}
.article-card{
    background:var(--bg-card);
    border:1px solid var(--border-line);
    border-radius:var(--radius);
    padding:44px 48px;
    box-shadow:var(--shadow);
}
.article-body{
    font-size:16px;
    line-height:1.85;
    color:var(--text-body);
}
.article-body > * + *{
    margin-top:20px;
}
.article-body h2{
    font-size:28px;
    font-weight:700;
    color:var(--text-light);
    margin:36px 0 0;
    padding-left:16px;
    border-left:3px solid var(--accent);
    line-height:1.4;
}
.article-body h3{
    font-size:22px;
    font-weight:600;
    color:var(--text-light);
    margin:32px 0 0;
    line-height:1.4;
}
.article-body h4{
    font-size:18px;
    font-weight:600;
    color:var(--text-light);
    margin:24px 0 0;
}
.article-body p{
    color:var(--text-body);
}
.article-body a{
    color:var(--info);
    border-bottom:1px solid rgba(127,180,255,0.3);
    transition:color .2s,border-color .2s;
}
.article-body a:hover{
    color:var(--accent);
    border-bottom-color:var(--accent);
}
.article-body blockquote{
    background:rgba(11,16,32,0.5);
    border-left:3px solid var(--accent);
    padding:18px 22px;
    border-radius:0 10px 10px 0;
    color:var(--text-body);
    font-style:normal;
}
.article-body ul,
.article-body ol{
    padding-left:24px;
    color:var(--text-body);
}
.article-body li{
    margin-bottom:8px;
}
.article-body li::marker{
    color:var(--accent);
}
.article-body img{
    border-radius:12px;
    border:1px solid var(--border-line);
    margin:8px 0;
}
.article-body pre{
    background:var(--bg-primary);
    border:1px solid var(--border-line);
    border-radius:12px;
    padding:18px 20px;
    overflow-x:auto;
    line-height:1.6;
    color:var(--text-light);
    font-size:14px;
    font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;
}
.article-body code{
    background:rgba(255,255,255,0.08);
    padding:2px 6px;
    border-radius:4px;
    font-size:14px;
    font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;
    color:var(--accent);
}
.article-body pre code{
    background:none;
    padding:0;
    color:var(--text-light);
}
.article-body table{
    width:100%;
    border-collapse:collapse;
    margin:20px 0;
    font-size:14px;
}
.article-body th{
    background:var(--bg-secondary);
    color:var(--text-light);
    font-weight:600;
    padding:12px 14px;
    text-align:left;
    border:1px solid var(--border-line);
}
.article-body td{
    padding:10px 14px;
    border:1px solid var(--border-line);
    color:var(--text-body);
}
.article-body hr{
    border:none;
    border-top:1px solid var(--border-line);
    margin:32px 0;
}

/* ===== Empty State ===== */
.article-empty{
    text-align:center;
    padding:80px 24px;
}
.empty-icon{
    font-size:52px;
    color:var(--accent);
    opacity:.6;
    margin-bottom:20px;
}
.article-empty h2{
    font-size:26px;
    font-weight:700;
    color:var(--text-light);
    margin-bottom:12px;
}
.article-empty p{
    color:var(--text-body);
    margin-bottom:28px;
    font-size:16px;
}

/* ===== Related Section ===== */
.related-section{
    padding:64px 0 80px;
    border-top:1px solid var(--border-line);
    background:var(--bg-secondary);
}
.related-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:36px;
    flex-wrap:wrap;
    gap:16px;
}
.related-head h2{
    font-size:30px;
    font-weight:700;
    color:var(--text-light);
}
.related-back{
    font-size:14px;
    color:var(--text-muted);
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:color .2s;
}
.related-back:hover{
    color:var(--accent);
}
.related-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.related-card{
    background:var(--bg-card);
    border-radius:var(--radius);
    border:1px solid var(--border-line);
    overflow:hidden;
    box-shadow:var(--shadow);
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
    display:flex;
    flex-direction:column;
}
.related-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-lg);
    border-color:rgba(232,182,76,0.4);
}
.related-card:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
}
.related-card-img{
    position:relative;
    height:180px;
    overflow:hidden;
    background:var(--bg-secondary);
}
.related-card-img img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .5s ease,filter .5s ease;
}
.related-card:hover .related-card-img img{
    transform:scale(1.05);
    filter:brightness(1.05);
}
.related-card-img::after{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, transparent 40%, rgba(11,16,32,0.5) 100%);
}
.related-card-body{
    padding:22px 24px 26px;
    flex:1;
    display:flex;
    flex-direction:column;
}
.related-tag{
    display:inline-block;
    align-self:flex-start;
    font-size:12px;
    font-weight:600;
    color:var(--accent);
    background:rgba(232,182,76,0.1);
    padding:3px 10px;
    border-radius:16px;
    margin-bottom:12px;
}
.related-card-body h3{
    font-size:18px;
    font-weight:600;
    color:var(--text-light);
    margin-bottom:8px;
    line-height:1.4;
}
.related-card-body p{
    font-size:14px;
    color:var(--text-muted);
    line-height:1.6;
    flex:1;
}
.related-card-arrow{
    margin-top:16px;
    font-size:14px;
    font-weight:600;
    color:var(--accent);
    display:inline-flex;
    align-items:center;
    gap:6px;
}

/* ===== Footer ===== */
.site-footer{
    background:var(--bg-primary);
    border-top:1px solid var(--border-line);
    padding:72px 0 0;
    position:relative;
}
.site-footer::before{
    content:'';
    position:absolute;
    bottom:0;
    left:0;
    width:100%;
    height:1px;
    background:linear-gradient(90deg, transparent, rgba(232,182,76,0.4), transparent);
}
.footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr;
    gap:48px;
    padding-bottom:48px;
}
.footer-brand .brand{
    margin-bottom:16px;
}
.footer-brand p{
    font-size:14px;
    color:var(--text-muted);
    line-height:1.7;
    max-width:320px;
}
.footer-nav h4,
.footer-contact h4{
    font-size:16px;
    font-weight:600;
    color:var(--text-light);
    margin-bottom:16px;
}
.footer-nav a{
    display:block;
    font-size:14px;
    color:var(--text-muted);
    margin-bottom:10px;
    transition:color .2s;
}
.footer-nav a:hover{
    color:var(--accent);
}
.footer-contact p{
    font-size:14px;
    color:var(--text-muted);
    margin-bottom:10px;
}
.footer-bottom{
    border-top:1px solid var(--border-line);
    padding:20px 0;
    text-align:center;
    font-size:13px;
    color:var(--text-muted);
}
.footer-bottom a{
    color:var(--text-muted);
    transition:color .2s;
}
.footer-bottom a:hover{
    color:var(--accent);
}

/* ===== Responsive ===== */
@media (max-width:1024px){
    .related-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
    }
}
@media (max-width:768px){
    .header-inner{
        height:64px;
    }
    .nav-toggle{
        display:flex;
    }
    .nav-links{
        position:fixed;
        top:64px;
        left:0;
        right:0;
        background:rgba(11,16,32,0.97);
        backdrop-filter:blur(14px);
        flex-direction:column;
        align-items:stretch;
        padding:16px 24px 24px;
        gap:4px;
        transform:translateY(-120%);
        opacity:0;
        transition:transform .35s ease,opacity .35s ease;
        border-bottom:1px solid var(--border-line);
        box-shadow:0 16px 40px rgba(0,0,0,0.4);
        margin:0;
        z-index:999;
    }
    .nav-links.open{
        transform:translateY(0);
        opacity:1;
    }
    .nav-link{
        padding:14px 16px;
        font-size:16px;
    }
    .nav-link::after{
        left:16px;
        right:auto;
        width:0;
        height:2px;
        transition:width .25s ease;
    }
    .nav-link:hover::after,
    .nav-link.active::after{
        width:36px;
        transform:scaleX(1);
    }
    .live-badge{
        display:none;
    }
    .header-actions .btn-sm{
        display:inline-flex;
        padding:9px 16px;
        font-size:13px;
    }
    .article-hero{
        padding-bottom:36px;
    }
    .article-head h1{
        font-size:32px;
    }
    .article-card{
        padding:28px 24px;
    }
    .article-body h2{
        font-size:24px;
    }
    .article-body h3{
        font-size:20px;
    }
    .related-grid{
        grid-template-columns:1fr;
    }
    .footer-grid{
        grid-template-columns:1fr;
        gap:32px;
    }
    .container{
        padding:0 20px;
    }
    .container-narrow,
    .container-narrower{
        padding:0 20px;
    }
}
@media (max-width:480px){
    .brand-text{
        font-size:17px;
    }
    .header-actions .btn-sm{
        display:none;
    }
    .article-head h1{
        font-size:26px;
    }
    .article-meta{
        gap:12px;
        font-size:13px;
    }
    .article-card{
        padding:22px 18px;
        border-radius:12px;
    }
    .article-body{
        font-size:15px;
    }
    .article-body h2{
        font-size:21px;
        padding-left:12px;
    }
    .article-body blockquote{
        padding:14px 16px;
    }
    .related-section{
        padding:48px 0 56px;
    }
    .related-head h2{
        font-size:24px;
    }
    .related-card-img{
        height:160px;
    }
    .footer-bottom{
        font-size:12px;
        padding:16px 12px;
    }
}