/* roulang page: index */
:root{
  --gold:#C8A063;
  --gold-dark:#B08D4A;
  --green:#111613;
  --green-light:#1B201D;
  --bg:#F7F4EE;
  --bg-light:#F1EEE8;
  --card:#FFFFFF;
  --red:#D84C2E;
  --border:#E5E0D6;
  --text:#1B1E1C;
  --text-weak:#6B6B66;
  --radius:6px;
  --shadow:0 8px 24px rgba(17,22,19,0.06);
  --shadow-hover:0 12px 32px rgba(17,22,19,0.12);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --transition:all 0.3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:var(--transition);}
button{font-family:var(--font);cursor:pointer;}
input,textarea{font-family:var(--font);}
ul,ol{list-style:none;}

.grid-container{
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
@media(max-width:768px){.grid-container{padding:0 20px;}}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:16px 40px;
  border-radius:4px;
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  transition:var(--transition);
  line-height:1;
}
.btn-gold{
  background:var(--gold);
  color:#111613;
  border-color:var(--gold);
}
.btn-gold:hover{
  background:#D4B176;
  border-color:#D4B176;
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(200,160,99,0.3);
}
.btn-outline{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,0.6);
}
.btn-outline:hover{
  background:rgba(255,255,255,0.1);
  border-color:#fff;
  transform:translateY(-2px);
}
.btn-green{
  background:var(--green);
  color:#fff;
  border-color:var(--green);
}
.btn-green:hover{
  background:var(--green-light);
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(17,22,19,0.3);
}

/* Header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  height:72px;
  background:rgba(17,22,19,0.35);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.15);
  transition:var(--transition);
}
.site-header.scrolled{
  background:rgba(247,244,238,0.95);
  border-bottom:1px solid rgba(17,22,19,0.1);
  box-shadow:0 4px 20px rgba(17,22,19,0.08);
}
.site-header.scrolled .brand-text,
.site-header.scrolled .main-nav a,
.site-header.scrolled .nav-toggle{
  color:var(--text);
}
.site-header.scrolled .brand-mark{
  background:var(--gold);
  color:#111613;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  background:rgba(255,255,255,0.15);
  border:1px solid rgba(255,255,255,0.3);
  border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:900;
  color:var(--gold);
  transition:var(--transition);
}
.brand-text{
  font-size:17px;
  font-weight:700;
  color:#fff;
  letter-spacing:0.5px;
  white-space:nowrap;
  transition:var(--transition);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.main-nav a{
  color:rgba(255,255,255,0.85);
  font-size:15px;
  font-weight:500;
  position:relative;
  padding:6px 2px;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  bottom:0;left:0;
  width:0;height:2px;
  background:var(--gold);
  transition:var(--transition);
}
.main-nav a:hover::after,
.main-nav a.active::after{
  width:100%;
}
.main-nav a.active{
  color:var(--gold);
}
.btn-nav{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.35);
  color:#fff;
  padding:8px 20px;
  border-radius:4px;
  font-size:14px;
  font-weight:600;
  transition:var(--transition);
  white-space:nowrap;
}
.btn-nav:hover{
  background:var(--gold);
  border-color:var(--gold);
  color:#111613;
}
.site-header.scrolled .btn-nav{
  background:var(--gold);
  border-color:var(--gold);
  color:#111613;
}
.site-header.scrolled .btn-nav:hover{
  background:var(--gold-dark);
  border-color:var(--gold-dark);
}
.nav-toggle{
  display:none;
  background:transparent;
  border:none;
  font-size:22px;
  color:#fff;
  transition:var(--transition);
}
.mobile-menu{
  display:none;
  position:fixed;
  top:72px;left:0;right:0;
  background:rgba(247,244,238,0.98);
  backdrop-filter:blur(14px);
  padding:20px 24px 28px;
  border-bottom:1px solid var(--border);
  box-shadow:0 8px 24px rgba(17,22,19,0.1);
  z-index:999;
  opacity:0;
  transform:translateY(-10px);
  pointer-events:none;
  transition:var(--transition);
}
.mobile-menu.active{
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}
.mobile-menu a{
  display:block;
  padding:14px 0;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  border-bottom:1px solid rgba(17,22,19,0.06);
}
.mobile-menu a:last-child{border-bottom:none;}
.mobile-menu a.active{color:var(--gold);}

@media(max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .mobile-menu{display:block;}
}

/* Hero */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  background-color:var(--green);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  overflow:hidden;
}
.hero-overlay{
  position:absolute;
  top:0;left:0;right:0;bottom:0;
  background:linear-gradient(180deg, rgba(17,22,19,0.40) 0%, rgba(17,22,19,0.85) 100%);
  z-index:1;
}
.hero .grid-container{
  position:relative;
  z-index:2;
  width:100%;
}
.hero-content{
  max-width:720px;
  padding:60px 0 40px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(200,160,99,0.15);
  border:1px solid rgba(200,160,99,0.4);
  color:var(--gold);
  font-size:14px;
  font-weight:600;
  padding:8px 16px;
  border-radius:50px;
  margin-bottom:28px;
  letter-spacing:0.5px;
}
.hero h1{
  color:#FDFCF8;
  font-size:58px;
  font-weight:900;
  line-height:1.2;
  margin-bottom:20px;
  text-shadow:0 4px 24px rgba(0,0,0,0.3);
}
.hero h1 .highlight{
  color:var(--gold);
}
.hero-subtitle{
  color:rgba(255,255,255,0.88);
  font-size:18px;
  line-height:1.7;
  margin-bottom:36px;
  max-width:520px;
  text-shadow:0 2px 12px rgba(0,0,0,0.3);
}
.hero-buttons{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:0;
}
.scroll-indicator{
  position:absolute;
  bottom:32px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,0.6);
  font-size:12px;
  letter-spacing:2px;
  z-index:2;
}
.scroll-indicator .line{
  width:1px;
  height:48px;
  background:linear-gradient(180deg, rgba(255,255,255,0.6), transparent);
  animation:scrollPulse 2s infinite;
}
@keyframes scrollPulse{
  0%{transform:scaleY(1);transform-origin:top;}
  50%{transform:scaleY(0.6);transform-origin:top;}
  100%{transform:scaleY(1);transform-origin:top;}
}
@media(max-width:768px){
  .hero h1{font-size:36px;}
  .hero-subtitle{font-size:16px;}
  .hero-buttons{flex-direction:column;width:100%;}
  .hero-buttons .btn{width:100%;}
}

/* 快捷条 */
.quick-bar{
  background:var(--green);
  border-bottom:1px solid rgba(255,255,255,0.08);
  padding:4px 0;
}
.quick-links{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:0;
  flex-wrap:wrap;
}
.quick-links a{
  color:rgba(255,255,255,0.7);
  font-size:14px;
  padding:12px 20px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:var(--transition);
}
.quick-links a:hover{
  color:var(--gold);
}
.quick-links .sep{
  color:rgba(255,255,255,0.2);
  font-size:12px;
}
@media(max-width:768px){
  .quick-links a{
    padding:10px 12px;font-size:13px;
  }
}

/* 通用section */
.section{
  padding:100px 0;
  position:relative;
}
.section-head{
  margin-bottom:64px;
}
.section-number{
  font-size:14px;
  font-weight:700;
  color:var(--gold);
  letter-spacing:3px;
  text-transform:uppercase;
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.section-number::before{
  content:"";
  width:32px;
  height:1px;
  background:var(--gold);
}
.section-title{
  font-size:36px;
  font-weight:700;
  color:var(--text);
  line-height:1.3;
  margin-bottom:16px;
}
.section-desc{
  font-size:17px;
  color:var(--text-weak);
  max-width:600px;
  line-height:1.7;
}
.section.alt-bg{
  background:var(--bg-light);
}
@media(max-width:768px){
  .section{padding:60px 0;}
  .section-head{margin-bottom:40px;}
  .section-title{font-size:28px;}
}

/* 玩法介绍 */
.play-intro{
  background:var(--bg);
}
.timeline{
  position:relative;
  max-width:900px;
}
.timeline-item{
  display:flex;
  gap:40px;
  padding:40px 0;
  border-bottom:1px solid var(--border);
  position:relative;
}
.timeline-item:last-child{
  border-bottom:none;
}
.timeline-num{
  font-size:64px;
  font-weight:900;
  color:transparent;
  -webkit-text-stroke:2px var(--gold);
  line-height:1;
  min-width:120px;
  text-align:right;
  font-style:italic;
}
.timeline-body{
  flex:1;
  padding-top:4px;
}
.timeline-body h3{
  font-size:22px;
  font-weight:600;
  margin-bottom:10px;
  color:var(--text);
}
.timeline-body p{
  font-size:16px;
  color:var(--text-weak);
  line-height:1.7;
  max-width:560px;
}
.timeline-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  background:var(--bg-light);
  border-radius:6px;
  color:var(--gold);
  font-size:18px;
  margin-bottom:16px;
  border:1px solid rgba(200,160,99,0.3);
}
@media(max-width:768px){
  .timeline-item{
    flex-direction:column;
    gap:16px;
    padding:28px 0;
  }
  .timeline-num{
    font-size:44px;
    min-width:auto;
    text-align:left;
  }
  .timeline-body h3{font-size:19px;}
}

/* 奖励与权益 */
.rewards-section{
  background:var(--bg);
}
.rewards-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  grid-template-rows:1fr 1fr;
  gap:24px;
}
.reward-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:36px;
  box-shadow:var(--shadow);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.reward-card:hover{
  border-color:var(--gold);
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.reward-card.large{
  grid-row:span 2;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  background:linear-gradient(135deg, var(--card) 0%, var(--bg-light) 100%);
  padding:40px 40px 36px;
}
.reward-card.large .reward-bg{
  position:absolute;
  right:-20px;
  top:-20px;
  font-size:160px;
  font-weight:900;
  color:rgba(200,160,99,0.1);
  line-height:1;
  z-index:0;
}
.reward-card .reward-content{
  position:relative;
  z-index:1;
}
.reward-tag{
  display:inline-block;
  background:rgba(200,160,99,0.12);
  color:var(--gold-dark);
  font-size:12px;
  font-weight:600;
  padding:5px 12px;
  border-radius:50px;
  margin-bottom:16px;
  letter-spacing:0.5px;
}
.reward-value{
  font-size:56px;
  font-weight:900;
  color:var(--gold);
  line-height:1;
  margin-bottom:12px;
  font-style:italic;
}
.reward-card h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:10px;
  color:var(--text);
}
.reward-card p{
  font-size:15px;
  color:var(--text-weak);
  line-height:1.7;
}
.reward-card .reward-icon{
  width:44px;height:44px;
  border-radius:6px;
  background:var(--bg-light);
  border:1px solid rgba(200,160,99,0.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);
  font-size:18px;
  margin-bottom:16px;
}
@media(max-width:900px){
  .rewards-grid{
    grid-template-columns:1fr;
    grid-template-rows:auto;
  }
  .reward-card.large{
    grid-row:auto;
    min-height:240px;
  }
}

/* 步骤进度 */
.steps-section{
  background:var(--bg-light);
}
.steps-track{
  display:flex;
  align-items:flex-start;
  justify-content:center;
  max-width:1000px;
  margin:0 auto 48px;
  padding:40px 0;
}
.step-item{
  flex:0 0 auto;
  width:220px;
  text-align:center;
  padding:0 16px;
  position:relative;
}
.step-marker{
  width:52px;height:52px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 16px;
  font-size:18px;
  font-weight:700;
  border:2px solid #D0CEC8;
  background:var(--card);
  color:#999;
  transition:var(--transition);
}
.step-item.is-done .step-marker{
  background:var(--gold);
  border-color:var(--gold);
  color:#111613;
}
.step-item.is-current .step-marker{
  border-color:var(--red);
  color:var(--red);
  box-shadow:0 0 0 4px rgba(216,76,46,0.12);
}
.step-item h3{
  font-size:17px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--text);
}
.step-item p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.6;
}
.step-line{
  flex:0 0 auto;
  width:80px;
  height:1px;
  background:#D0CEC8;
  margin-top:26px;
  transition:var(--transition);
}
.step-line.is-done{
  background:var(--gold);
}
.step-line.is-current{
  background:var(--red);
}
.steps-cta{
  text-align:center;
  margin-top:8px;
}
@media(max-width:768px){
  .steps-track{
    flex-direction:column;
    align-items:center;
    gap:0;
    padding:20px 0;
  }
  .step-item{
    width:100%;
    max-width:320px;
    display:flex;
    align-items:center;
    gap:20px;
    text-align:left;
    padding:20px 0;
  }
  .step-marker{
    margin:0;
    flex-shrink:0;
  }
  .step-lines{display:none;}
  .step-line{
    width:1px;
    height:40px;
    margin:0 0 0 25px;
    flex:0 0 auto;
  }
}

/* 平台动态 */
.news-section{
  background:var(--bg);
}
.news-list{
  max-width:1000px;
  margin:0 auto;
}
.news-card{
  display:flex;
  align-items:center;
  gap:24px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px 28px;
  box-shadow:var(--shadow);
  transition:var(--transition);
  margin-bottom:16px;
}
.news-card:hover{
  border-color:var(--gold);
  box-shadow:var(--shadow-hover);
  transform:translateX(4px);
}
.news-tag{
  flex-shrink:0;
  background:rgba(200,160,99,0.12);
  color:var(--gold-dark);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:50px;
  white-space:nowrap;
  letter-spacing:0.3px;
}
.news-content{
  flex:1;
  min-width:0;
}
.news-content h3{
  font-size:18px;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
  line-height:1.45;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  transition:var(--transition);
}
.news-card:hover .news-content h3{
  color:var(--gold-dark);
}
.news-content p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  flex-shrink:0;
  display:flex;
  align-items:center;
  gap:12px;
  color:#999;
  font-size:13px;
}
.news-meta i{
  font-size:14px;
}
.news-arrow{
  flex-shrink:0;
  width:36px;height:36px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg-light);
  color:var(--text-weak);
  font-size:14px;
  transition:var(--transition);
}
.news-card:hover .news-arrow{
  background:var(--gold);
  color:#111613;
  transform:translateX(4px);
}
.empty-state{
  text-align:center;
  padding:60px 20px;
  color:var(--text-weak);
  font-size:16px;
  background:var(--card);
  border:1px dashed var(--border);
  border-radius:var(--radius);
}
.empty-state i{
  font-size:36px;
  color:#C0BCB2;
  margin-bottom:16px;
  display:block;
}
@media(max-width:768px){
  .news-card{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
    padding:20px;
  }
  .news-content h3{
    white-space:normal;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
  }
  .news-meta{
    font-size:12px;
    flex-wrap:wrap;
  }
  .news-arrow{display:none;}
}

/* FAQ */
.faq-section{
  background:var(--bg-light);
}
.faq-wrap{
  max-width:860px;
  margin:0 auto;
}
.custom-accordion{
  background:transparent;
  border:none;
}
.custom-accordion .accordion-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  margin-bottom:16px;
  overflow:hidden;
  transition:var(--transition);
}
.custom-accordion .accordion-item.is-active{
  border-color:var(--gold);
  box-shadow:var(--shadow);
}
.custom-accordion .accordion-title{
  background:transparent;
  border:none;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  padding:0 24px;
  height:52px;
  display:flex;
  align-items:center;
  gap:16px;
  position:relative;
  transition:var(--transition);
}
.custom-accordion .accordion-title:hover{
  color:var(--gold-dark);
}
.custom-accordion .accordion-title::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:20px;
  color:var(--gold);
  font-size:15px;
  transition:var(--transition);
}
.custom-accordion .accordion-item.is-active .accordion-title::after{
  content:"\f00d";
  color:var(--gold);
}
.custom-accordion .accordion-title::before{
  content:"";
  width:4px;
  height:18px;
  background:var(--gold);
  border-radius:2px;
  flex-shrink:0;
}
.custom-accordion .accordion-content{
  background:var(--bg-light);
  border:none;
  padding:20px 24px 24px 44px;
  font-size:15px;
  color:var(--text-weak);
  line-height:1.8;
}

/* CTA */
.cta-section{
  background:var(--green);
  padding:120px 0;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;bottom:0;
  background:radial-gradient(ellipse at 80% 20%, rgba(200,160,99,0.15) 0%, transparent 50%);
}
.cta-inner{
  position:relative;
  z-index:1;
  text-align:center;
  max-width:640px;
  margin:0 auto;
}
.cta-title{
  color:#FDFCF8;
  font-size:40px;
  font-weight:800;
  line-height:1.3;
  margin-bottom:20px;
}
.cta-desc{
  color:rgba(255,255,255,0.75);
  font-size:17px;
  margin-bottom:40px;
  line-height:1.7;
}
.cta-buttons{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
@media(max-width:768px){
  .cta-section{padding:72px 0;}
  .cta-title{font-size:30px;}
  .cta-desc{font-size:16px;}
}

/* Footer */
.site-footer{
  background:var(--green);
  padding:60px 0 0;
  border-top:1px solid rgba(255,255,255,0.06);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:24px 0;
  border-top:1px solid rgba(255,255,255,0.08);
  margin-top:40px;
  flex-wrap:wrap;
  gap:12px;
}
.footer-brand .brand-text{
  color:#EDEAE2;
  font-size:20px;
  font-weight:700;
}
.footer-brand .brand-mark{
  background:var(--gold);
  color:#111613;
  border-color:var(--gold);
}
.footer-desc{
  color:#B8B2A7;
  font-size:14px;
  margin-top:8px;
  max-width:360px;
}
.footer-links{
  display:flex;
  gap:28px;
  flex-wrap:wrap;
}
.footer-links a{
  color:#B8B2A7;
  font-size:14px;
  transition:var(--transition);
}
.footer-links a:hover{
  color:var(--gold);
}
.footer-copy{
  color:#7C7670;
  font-size:13px;
}
.footer-bottom-links{
  display:flex;
  gap:20px;
}
.footer-bottom-links a{
  color:#7C7670;
  font-size:13px;
}
.footer-bottom-links a:hover{
  color:var(--gold);
}
@media(max-width:768px){
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
  .footer-links{
    gap:16px;
  }
}

/* 滚动动画 */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

/* Focus 可访问性 */
a:focus-visible, button:focus-visible, input:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
}

/* roulang page: category1 */
:root {
  --gold: #C8A063;
  --gold-dark: #B8935A;
  --gold-light: #DDBB8C;
  --dark: #111613;
  --dark-2: #1B1E1C;
  --bg: #F7F4EE;
  --warm-gray: #F1EEE8;
  --white: #FFFFFF;
  --accent: #D84C2E;
  --text: #1B1E1C;
  --weak-text: #6B6B66;
  --border: #E5E0D6;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(17, 22, 19, 0.06);
  --shadow: 0 8px 24px rgba(17, 22, 19, 0.06);
  --shadow-lg: 0 16px 40px rgba(17, 22, 19, 0.10);
  --transition: all 0.3s ease;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}
img { max-width: 100%; display: block; height: auto; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; }
section[id] { scroll-margin-top: 72px; }
a:focus-visible, .btn:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}
.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 36px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}
.btn-gold {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 160, 99, 0.4);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}
.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.btn-large { padding: 18px 48px; font-size: 17px; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 1000;
  background: rgba(17, 22, 19, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(247, 244, 238, 0.95);
  border-bottom: 1px solid rgba(17, 22, 19, 0.1);
  box-shadow: 0 4px 20px rgba(17, 22, 19, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.site-header.scrolled .brand-text { color: var(--text); }
.site-header.scrolled .main-nav a:not(.btn-nav) { color: var(--text); }
.site-header.scrolled .nav-toggle { color: var(--text); }
.site-header.scrolled .main-nav a:not(.btn-nav):hover { color: var(--gold-dark); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--gold);
  color: var(--dark);
  font-weight: 900;
  font-size: 18px;
  border-radius: 6px;
  letter-spacing: -1px;
  flex-shrink: 0;
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  font-weight: 500;
  position: relative;
}
.main-nav a:hover { color: var(--gold-light); }
.main-nav a.active { color: var(--gold); font-weight: 700; }
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
}
.site-header.scrolled .main-nav a.active { color: var(--gold-dark); }
.site-header.scrolled .main-nav a.active::after { background: var(--gold-dark); }
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--dark) !important;
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 700;
}
.btn-nav:hover { background: var(--gold-light); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  padding: 6px;
  line-height: 1;
}

.page-hero {
  position: relative;
  min-height: 68vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 22, 19, 0.45) 0%, rgba(17, 22, 19, 0.75) 60%, rgba(17, 22, 19, 0.88) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 24px 80px;
  max-width: 1000px;
}
.hero-kicker {
  display: inline-block;
  background: rgba(200, 160, 99, 0.2);
  border: 1px solid rgba(200, 160, 99, 0.4);
  color: var(--gold-light);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 14px;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.page-hero h1 {
  font-size: 52px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
.hero-sub {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  letter-spacing: 2px;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), transparent);
}

section { padding: 90px 0; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-head p {
  font-size: 16px;
  color: var(--weak-text);
  max-width: 640px;
}
.section-head.centered { text-align: center; }
.section-head.centered p { margin-left: auto; margin-right: auto; }

.intro-section { background: var(--bg); }
.intro-text { font-size: 17px; line-height: 1.9; color: var(--text); margin-bottom: 16px; }
.intro-list { list-style: none; padding: 0; margin: 24px 0 0; }
.intro-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--weak-text);
  font-size: 15px;
}
.intro-list li i { color: var(--gold); font-size: 16px; }
.intro-media { position: relative; }
.intro-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  height: 340px;
  object-fit: cover;
  width: 100%;
}
.media-badge {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: var(--dark);
  color: var(--gold-light);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
}

.guide-list-section { background: var(--white); }
.guide-stack { max-width: 960px; margin: 0 auto; padding-top: 32px; }
.guide-card {
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.guide-card:last-child { border-bottom: none; }
.guide-card.reverse { flex-direction: row-reverse; }
.guide-num {
  font-size: 72px;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px rgba(200, 160, 99, 0.5);
  line-height: 1;
  flex-shrink: 0;
  width: 110px;
  text-align: center;
}
.guide-media {
  flex: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.guide-media img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform 0.5s ease;
}
.guide-card:hover .guide-media img { transform: scale(1.03); }
.guide-body { flex: 1.2; }
.guide-label {
  display: inline-block;
  background: var(--warm-gray);
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.guide-body h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.guide-body p { color: var(--weak-text); font-size: 15px; line-height: 1.8; }
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold-dark);
  font-weight: 600;
  margin-top: 12px;
  font-size: 15px;
}
.link-arrow i { transition: transform 0.3s ease; }
.link-arrow:hover { color: var(--gold); }
.link-arrow:hover i { transform: translateX(4px); }

.feature-section { background: var(--warm-gray); }
.feature-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200, 160, 99, 0.15);
  color: var(--gold-dark);
  border-radius: 12px;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--weak-text); line-height: 1.8; margin-bottom: 0; }

.scene-section { background: var(--white); }
.scene-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  height: 100%;
  transition: var(--transition);
}
.scene-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.scene-card i {
  font-size: 24px;
  color: var(--gold);
  margin-bottom: 14px;
}
.scene-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.scene-card p { color: var(--weak-text); font-size: 15px; margin-bottom: 0; }
.scene-primary {
  background: var(--dark);
  border-color: rgba(200, 160, 99, 0.35);
}
.scene-primary h3 { color: #fff; }
.scene-primary p { color: rgba(255, 255, 255, 0.7); }
.scene-primary i { color: var(--gold); }

.steps-section {
  background: var(--dark);
  color: #fff;
}
.steps-section .section-head h2 { color: #fff; }
.steps-section .section-head p { color: rgba(255, 255, 255, 0.7); }
.steps-section .section-tag { color: var(--gold); }
.steps-track {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin: 60px 0 40px;
}
.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 180px;
}
.step-dot {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
  transition: var(--transition);
}
.step-item.done .step-dot {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--dark);
}
.step-item.current .step-dot {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 6px rgba(216, 76, 46, 0.15);
}
.step-label { font-size: 17px; font-weight: 700; color: #fff; }
.step-item span { font-size: 13px; color: rgba(255, 255, 255, 0.6); }
.step-line {
  flex: 1;
  max-width: 120px;
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
  margin-top: 28px;
}
.step-line.done { background: var(--gold); }
.steps-cta { text-align: center; }
.steps-cta .btn-gold {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}

.faq-section { background: var(--bg); }
.faq-wrap { max-width: 780px; margin: 48px auto 0; }
.accordion { list-style: none; margin: 0; padding: 0; }
.accordion-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item:hover { border-color: var(--gold); }
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text) !important;
  min-height: 52px;
  cursor: pointer;
  transition: var(--transition);
  background: var(--white) !important;
  border: none !important;
}
.accordion-title::before {
  content: '+';
  flex-shrink: 0;
  font-size: 22px;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}
.accordion-item.is-active .accordion-title::before { content: '×'; }
.accordion-content {
  background: var(--warm-gray);
  padding: 0 24px;
  display: none;
}
.accordion-item.is-active .accordion-content {
  display: block;
  padding: 24px !important;
}
.accordion-content p {
  margin: 0;
  font-size: 15px;
  color: var(--weak-text);
  line-height: 1.8;
}

.cta-section {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--dark);
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 22, 19, 0.8), rgba(17, 22, 19, 0.92));
}
.cta-content { position: relative; z-index: 2; padding: 80px 24px; }
.cta-content h2 {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  margin-bottom: 32px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.bottom-nav-section { background: var(--warm-gray); padding: 32px 0; border-top: 1px solid var(--border); }
.bottom-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}
.bottom-nav a { color: var(--text); font-weight: 600; }
.bottom-nav a:hover { color: var(--gold-dark); }
.bottom-nav-links { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.bottom-nav-links .active { color: var(--gold-dark); font-weight: 700; }
.bottom-nav-links span { color: var(--weak-text); }

.site-footer {
  background: var(--dark);
  color: #B8B2A7;
  padding: 64px 0 24px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-bottom:last-child { border-bottom: none; }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-brand .brand-mark {
  width: 34px;
  height: 34px;
  font-size: 16px;
}
.footer-brand .brand-text {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}
.footer-desc {
  width: 100%;
  font-size: 14px;
  margin-top: 8px;
  color: #8A857A;
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a { color: #B8B2A7; font-size: 15px; }
.footer-links a:hover { color: var(--gold); }
.footer-copy { font-size: 13px; }
.footer-bottom-links a { color: #8A857A; font-size: 13px; }
.footer-bottom-links a:hover { color: var(--gold); }

@media screen and (max-width: 1024px) {
  .page-hero h1 { font-size: 44px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.large { grid-column: span 2; }
  .guide-card { gap: 28px; }
  .guide-num { width: 80px; font-size: 56px; }
}
@media screen and (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(247, 244, 238, 0.98);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { color: var(--text) !important; }
  .main-nav a.active { color: var(--gold-dark) !important; }
  .btn-nav { justify-content: center; }
  .page-hero { min-height: 65vh; }
  .page-hero h1 { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .guide-card, .guide-card.reverse { flex-direction: column; gap: 20px; }
  .guide-num { width: auto; font-size: 48px; text-align: left; }
  .guide-body { width: 100%; }
  .steps-track { flex-direction: column; align-items: center; gap: 20px; }
  .step-line { width: 2px; height: 40px; max-width: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.large { grid-column: auto; }
  .grid-x .cell { margin-bottom: 24px; }
  section { padding: 56px 0; }
  .section-head h2 { font-size: 28px; }
  .cta-content h2 { font-size: 28px; }
  .page-hero .hero-content { padding: 100px 20px 60px; }
  .hero-actions .btn { width: 100%; }
}
@media screen and (max-width: 520px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .btn { padding: 12px 28px; font-size: 15px; }
  .guide-media img { height: 190px; }
  .brand-text { font-size: 16px; }
  .brand-mark { width: 32px; height: 32px; font-size: 15px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .bottom-nav { flex-direction: column; text-align: center; }
  .bottom-nav-links { justify-content: center; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: article */
:root {
  --primary: #C8A063;
  --primary-dark: #B18A4E;
  --primary-light: #D8B67F;
  --ink: #111613;
  --bg: #F7F4EE;
  --bg-light: #F1EEE8;
  --card: #FFFFFF;
  --text: #232723;
  --text-light: #6B6B66;
  --border: #E5E0D6;
  --accent: #D84C2E;
  --radius: 6px;
  --shadow: 0 8px 24px rgba(17,22,19,0.06);
  --shadow-hover: 0 14px 36px rgba(17,22,19,0.12);
  --transition: all 0.3s ease;
  --font: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;transition:var(--transition);}
img{max-width:100%;height:auto;display:block;}
ul,ol{padding-left:20px;margin:0 0 24px;}
p{margin:0 0 24px;}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:72px;
  background:rgba(17,22,19,0.35);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.15);
  transition:all 0.4s ease;
}
.site-header.scrolled{
  background:rgba(247,244,238,0.95);
  border-bottom:1px solid rgba(17,22,19,0.10);
  box-shadow:0 4px 20px rgba(17,22,19,0.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;background:var(--primary);color:#fff;
  border-radius:4px;font-weight:900;font-size:18px;flex-shrink:0;
}
.brand-text{
  font-size:18px;font-weight:700;color:#fff;letter-spacing:0.02em;white-space:nowrap;transition:color 0.3s;
}
.site-header.scrolled .brand-text{color:#1B1E1C;}
.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav a{color:rgba(255,255,255,0.92);font-size:15px;font-weight:500;position:relative;padding:6px 0;}
.main-nav a:hover{color:var(--primary-light);}
.main-nav a.active{color:var(--primary-light);}
.main-nav a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--primary);}
.main-nav a.btn-nav{
  display:inline-flex;align-items:center;gap:8px;padding:10px 24px;
  border:1px solid rgba(200,160,99,0.9);border-radius:4px;
  color:var(--primary-light);transition:all 0.3s;
}
.main-nav a.btn-nav:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.site-header.scrolled .main-nav a{color:#1B1E1C;}
.site-header.scrolled .main-nav a:hover{color:var(--primary-dark);}
.site-header.scrolled .main-nav a.active{color:var(--primary-dark);}
.site-header.scrolled .main-nav a.btn-nav{color:var(--primary);border-color:var(--primary);}
.site-header.scrolled .main-nav a.btn-nav:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer;padding:8px;}
.site-header.scrolled .nav-toggle{color:#1B1E1C;}

/* ===== Article Hero ===== */
.article-hero{
  position:relative;min-height:480px;display:flex;align-items:center;
  padding:160px 0 90px;
  background:linear-gradient(180deg,rgba(17,22,19,0.55) 0%,rgba(17,22,19,0.88) 100%),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
}
.article-hero-inner{max-width:860px;margin:0 auto;text-align:center;}
.article-cat{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:0.08em;
  color:var(--primary);background:rgba(200,160,99,0.16);
  border:1px solid rgba(200,160,99,0.38);padding:6px 18px;border-radius:999px;margin-bottom:24px;
}
.article-title{color:#fff;font-size:52px;font-weight:900;line-height:1.28;margin:0 0 24px;text-shadow:0 4px 20px rgba(0,0,0,0.30);}
.article-meta{display:flex;justify-content:center;gap:28px;color:rgba(255,255,255,0.75);font-size:14px;flex-wrap:wrap;}
.article-meta .meta-item i{margin-right:6px;color:var(--primary);}

/* ===== Breadcrumb ===== */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--border);padding:14px 0;}
.breadcrumb{font-size:13px;color:var(--text-light);}
.breadcrumb a{color:var(--text-light);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{margin:0 10px;color:#C0BBB0;}
.breadcrumb .current{color:var(--text);font-weight:500;}

/* ===== Article Main ===== */
.article-main{padding:56px 0 96px;}
.article-summary{
  background:var(--bg-light);border-left:3px solid var(--primary);
  border-radius:0 var(--radius) var(--radius) 0;padding:28px 32px;
  font-size:16px;line-height:1.85;color:var(--text);margin-bottom:44px;
}
.article-content{font-size:17px;line-height:1.9;color:var(--text);}
.article-content h2{font-size:32px;font-weight:700;color:var(--ink);margin:48px 0 20px;}
.article-content h3{font-size:22px;font-weight:600;color:var(--ink);margin:36px 0 16px;}
.article-content h4{font-size:18px;font-weight:600;color:var(--ink);margin:28px 0 12px;}
.article-content p{margin-bottom:24px;line-height:1.9;}
.article-content a{color:var(--primary-dark);text-decoration:underline;}
.article-content a:hover{color:var(--primary);}
.article-content blockquote{
  border-left:4px solid var(--primary);background:var(--bg-light);
  padding:18px 26px;border-radius:0 var(--radius) var(--radius) 0;margin:32px 0;font-style:normal;
}
.article-content blockquote p{margin-bottom:8px;}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius);margin:32px 0;background:var(--bg-light);width:100%;height:auto;}
.article-content ul li,.article-content ol li{margin-bottom:8px;line-height:1.8;}
.article-content table{width:100%;border-collapse:collapse;margin:32px 0;}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 16px;text-align:left;}
.article-content th{background:var(--bg-light);font-weight:600;}

/* ===== Article Tags ===== */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:32px;border-top:1px solid var(--border);}
.article-tag{
  display:inline-block;font-size:13px;color:var(--text-light);
  background:var(--bg-light);border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;transition:var(--transition);
}
.article-tag:hover{color:var(--primary);border-color:var(--primary);}
.article-back{margin-top:40px;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-light);font-weight:500;}
.back-link:hover{color:var(--primary);}
.back-link i{transition:transform 0.3s;}
.back-link:hover i{transform:translateX(-4px);}

/* ===== Not Found ===== */
.not-found-panel{text-align:center;padding:80px 30px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);}
.not-found-panel i{font-size:52px;color:var(--border);margin-bottom:20px;display:block;}
.not-found-panel h2{font-size:30px;color:var(--ink);margin-bottom:12px;font-weight:700;}
.not-found-panel p{color:var(--text-light);max-width:420px;margin:0 auto 28px;}
.btn-primary{
  display:inline-block;background:var(--primary);color:#fff;font-size:16px;font-weight:600;
  padding:14px 36px;border-radius:4px;transition:all 0.3s;border:none;cursor:pointer;
}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,160,99,0.30);}

/* ===== Related ===== */
.related-section{padding:80px 0;background:var(--bg-light);}
.related-head{display:flex;align-items:center;gap:18px;margin-bottom:40px;}
.related-head h2{font-size:32px;font-weight:700;color:var(--ink);margin:0;white-space:nowrap;}
.head-line{flex:1;height:1px;background:var(--border);}
.related-card{
  display:flex;gap:22px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;transition:var(--transition);height:100%;align-items:center;
}
.related-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.related-cover{width:130px;min-width:130px;height:96px;border-radius:4px;overflow:hidden;background:var(--bg-light);}
.related-cover img{width:100%;height:100%;object-fit:cover;}
.related-info .tag{font-size:12px;color:var(--primary-dark);font-weight:600;letter-spacing:0.04em;}
.related-info h3{font-size:18px;font-weight:600;color:var(--ink);margin:6px 0 8px;line-height:1.4;}
.related-info p{font-size:14px;color:var(--text-light);margin:0;line-height:1.6;}

/* ===== CTA ===== */
.cta-section{padding:100px 0;background:var(--ink);position:relative;overflow:hidden;}
.cta-section::before{
  content:'';position:absolute;top:-120px;right:-120px;width:440px;height:440px;
  background:radial-gradient(circle,rgba(200,160,99,0.14) 0%,transparent 70%);
}
.cta-section::after{
  content:'';position:absolute;bottom:-160px;left:-100px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(216,76,46,0.08) 0%,transparent 70%);
}
.cta-inner{position:relative;text-align:center;max-width:680px;margin:0 auto;}
.cta-inner h2{color:#fff;font-size:38px;font-weight:700;margin:0 0 16px;line-height:1.3;}
.cta-inner p{color:rgba(255,255,255,0.70);font-size:16px;margin-bottom:32px;}
.btn-cta{
  display:inline-block;background:var(--primary);color:#fff;font-size:16px;font-weight:600;
  padding:16px 42px;border-radius:4px;transition:all 0.3s;border:none;cursor:pointer;
}
.btn-cta:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 12px 30px rgba(200,160,99,0.35);}

/* ===== Footer ===== */
.site-footer{background:var(--ink);padding:56px 0 24px;border-top:1px solid rgba(200,160,99,0.20);}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,0.08);gap:32px;flex-wrap:wrap;}
.footer-brand .brand-text{color:#fff;font-size:20px;}
.footer-desc{color:#B8B2A7;font-size:14px;margin:10px 0 0;max-width:280px;}
.footer-links{display:flex;gap:28px;flex-wrap:wrap;align-items:center;}
.footer-links a{color:#B8B2A7;font-size:14px;padding:4px 0;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;flex-wrap:wrap;gap:12px;}
.footer-copy{color:#8C8780;font-size:13px;}
.footer-bottom-links a{color:#8C8780;font-size:13px;}
.footer-bottom-links a:hover{color:var(--primary);}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .article-title{font-size:44px;}
  .cta-inner h2{font-size:32px;}
}
@media (max-width:768px){
  .article-hero{padding:140px 0 70px;min-height:420px;}
  .article-title{font-size:34px;}
  .article-main{padding:40px 0 72px;}
  .related-section{padding:56px 0;}
  .cta-section{padding:70px 0;}
  .article-content h2{font-size:26px;}
  .article-content h3{font-size:20px;}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;
    background:rgba(247,244,238,0.98);padding:24px 28px;gap:20px;
    border-bottom:1px solid var(--border);align-items:flex-start;
    transform:translateY(-120%);opacity:0;pointer-events:none;transition:all 0.35s ease;
    box-shadow:0 16px 40px rgba(17,22,19,0.10);
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .main-nav a{color:#1B1E1C !important;}
  .main-nav a.active{color:var(--primary) !important;}
  .main-nav a.active::after{display:none;}
  .nav-toggle{display:block;}
  .related-card{flex-direction:row;align-items:center;}
  .header-inner{padding:0 16px;}
}
@media (max-width:520px){
  .brand-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;font-size:16px;}
  .article-hero{padding:130px 0 56px;min-height:360px;}
  .article-title{font-size:30px;line-height:1.3;}
  .article-meta{flex-direction:column;gap:10px;}
  .article-summary{padding:20px 22px;}
  .article-content{font-size:16px;line-height:1.8;}
  .related-card{flex-direction:column;align-items:flex-start;}
  .related-cover{width:100%;height:140px;}
  .cta-inner h2{font-size:28px;}
  .btn-cta{width:100%;text-align:center;}
  .footer-inner{flex-direction:column;gap:20px;}
  .footer-links{flex-wrap:wrap;gap:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}