/* roulang page: index */
:root {
  --bg-deep: #100B22;
  --bg-panel: #1B1435;
  --bg-light: #F6F5FB;
  --card-white: #FFFFFF;
  --brand-purple: #8B5CF6;
  --brand-cyan: #00E6A5;
  --brand-gradient: linear-gradient(120deg, #8B5CF6, #00E6A5);
  --promo-gold: #FFC53D;
  --promo-pink: #FF4D8D;
  --text-dark: #1A1530;
  --text-sub-dark: #6F6A85;
  --text-light: #F5F4FF;
  --text-sub-light: #A7A3C2;
  --border-light: #E8E4F5;
  --border-dark: rgba(255,255,255,0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 2px 8px rgba(16,11,34,0.06), 0 12px 32px rgba(16,11,34,0.10);
  --shadow-glow: 0 0 0 1px rgba(139,92,246,0.35), 0 12px 32px rgba(0,230,165,0.12);
  --font-stack: 'HarmonyOS Sans SC','MiSans','PingFang SC','Microsoft YaHei',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--bg-light);
  color:var(--text-dark);
  line-height:1.75;
  font-feature-settings:'tnum';
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{text-decoration:none;color:inherit;transition:all .25s ease}
a:hover{text-decoration:none}
button,input,select,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(16,11,34,0.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  background-image:linear-gradient(rgba(16,11,34,0.86),rgba(16,11,34,0.86)),linear-gradient(120deg,#8B5CF6,#00E6A5);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  border-bottom:1px solid transparent;
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;padding:0 24px;max-width:1280px;margin:0 auto;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:8px}
.nav-right{justify-content:flex-end}
.nav-link-item{
  padding:8px 14px;border-radius:999px;
  color:rgba(245,244,255,0.85);font-size:0.9rem;font-weight:500;
  transition:all .25s ease;white-space:nowrap;
}
.nav-link-item:hover{color:#fff;background:rgba(139,92,246,0.25)}
.nav-link-item.active{background:rgba(139,92,246,0.35);color:#fff}
.brand-logo{
  display:flex;align-items:center;gap:8px;padding:8px 12px;
  color:var(--text-light);font-weight:800;font-size:1.35rem;letter-spacing:0.02em;
}
.brand-logo .brand-icon{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;
  color:#100B22;font-size:1rem;
}
.brand-logo:hover{color:#fff}
.brand-badge{
  background:var(--promo-gold);color:#100B22;font-size:0.65rem;font-weight:700;
  padding:2px 6px;border-radius:4px;letter-spacing:0.08em;
}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-gradient);color:#100B22;
  font-weight:600;font-size:0.875rem;
  padding:8px 18px;border-radius:999px;
  transition:all .25s ease;box-shadow:0 4px 14px rgba(139,92,246,0.35);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,230,165,0.35);color:#100B22}
.nav-toggle{
  display:none;background:transparent;border:1px solid rgba(255,255,255,0.25);
  color:#fff;border-radius:10px;width:42px;height:42px;
  align-items:center;justify-content:center;font-size:1.2rem;
  cursor:pointer;transition:all .25s ease;
}
.nav-toggle:hover{background:rgba(139,92,246,0.2)}
.mobile-drawer{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(16,11,34,0.98);z-index:1040;padding:90px 30px 30px;
  backdrop-filter:blur(20px);
}
.mobile-drawer a{
  display:block;color:var(--text-light);font-size:1.15rem;font-weight:600;
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,0.08);
}
.mobile-drawer a:hover{color:var(--brand-cyan)}
.mobile-drawer a.active{color:var(--brand-cyan)}
.mobile-drawer.show{display:block}

/* Hero */
.hero{
  position:relative;background:
    linear-gradient(120deg,rgba(16,11,34,0.88) 0%,rgba(27,20,53,0.72) 50%,rgba(16,11,34,0.65) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:110px 0 90px;color:var(--text-light);overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-80px;right:-40px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(139,92,246,0.35) 0%,transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:'';position:absolute;bottom:-60px;left:30px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(0,230,165,0.2) 0%,transparent 70%);
  pointer-events:none;
}
.hero-content{position:relative;z-index:2;max-width:760px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,197,61,0.15);border:1px solid rgba(255,197,61,0.5);
  color:var(--promo-gold);font-size:0.8rem;font-weight:600;
  padding:6px 14px;border-radius:999px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(2.4rem,5vw,3.75rem);font-weight:800;line-height:1.15;
  margin-bottom:22px;color:#fff;
}
.hero h1 .gradient-text{
  background:linear-gradient(120deg,#8B5CF6,#00E6A5);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{
  font-size:1.15rem;line-height:1.7;color:rgba(245,244,255,0.85);
  max-width:620px;margin-bottom:32px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-gradient);color:#100B22;
  border:none;border-radius:12px;padding:12px 28px;
  font-size:1rem;font-weight:600;cursor:pointer;
  transition:all .25s ease;box-shadow:0 6px 20px rgba(0,230,165,0.3);
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(139,92,246,0.45);color:#100B22}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,0.5);
  border-radius:12px;padding:12px 28px;font-size:1rem;font-weight:500;
  transition:all .25s ease;
}
.btn-ghost:hover{background:rgba(139,92,246,0.2);border-color:var(--brand-purple);transform:translateY(-2px)}
.hero-note{
  margin-top:28px;font-size:0.75rem;color:rgba(167,163,194,0.7);
  display:flex;align-items:center;gap:6px;
}

/* 区块通用 */
.section{padding:96px 0}
@media(max-width:768px){.section{padding:56px 0}}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-purple);font-size:0.8rem;font-weight:700;letter-spacing:0.08em;
  text-transform:uppercase;margin-bottom:14px;
}
.section-title{
  font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700;line-height:1.3;
  margin-bottom:14px;color:var(--text-dark);
}
.section-desc{
  color:var(--text-sub-dark);font-size:1rem;max-width:560px;
  line-height:1.7;margin-bottom:36px;
}
.text-center .section-desc{margin-left:auto;margin-right:auto}

/* 数据徽章条 */
.badge-strip{background:var(--bg-deep);padding:40px 0 48px}
.badge-strip .badge-card{
  background:var(--bg-panel);border-radius:24px;
  border-top:3px solid var(--brand-purple);
  padding:28px 20px;text-align:center;color:var(--text-light);
  transition:all .3s ease;
}
.badge-strip .badge-card:hover{
  transform:translateY(-4px);box-shadow:0 8px 32px rgba(139,92,246,0.25);
  border-top-color:var(--brand-cyan);
}
.badge-num{
  font-size:clamp(2rem,4vw,2.75rem);font-weight:800;
  background:var(--brand-gradient);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  line-height:1.2;
}
.badge-unit{font-size:0.9rem;color:var(--text-sub-light);margin-left:2px}
.badge-label{color:var(--text-sub-light);font-size:0.875rem;margin-top:8px}

/* 优惠阶梯 */
.tier-section{background:var(--bg-light)}
.tier-card{
  border-radius:24px;padding:36px 28px;height:100%;
  display:flex;flex-direction:column;transition:all .3s ease;
  box-shadow:var(--shadow-card);
}
.tier-card.tier-home{background:var(--card-white);border:1px solid var(--border-light)}
.tier-card.tier-popular{
  background:var(--bg-deep);border:1px solid rgba(139,92,246,0.5);
  box-shadow:var(--shadow-glow);
}
.tier-card:hover{transform:translateY(-4px)}
.tier-tag{
  display:inline-block;background:rgba(139,92,246,0.12);color:var(--brand-purple);
  font-size:0.75rem;font-weight:700;padding:4px 12px;border-radius:999px;
  margin-bottom:12px;width:fit-content;letter-spacing:0.05em;
}
.tier-card.tier-popular .tier-tag{
  background:var(--brand-gradient);color:#100B22;
}
.tier-name{font-size:1.25rem;font-weight:700;margin-bottom:14px}
.tier-card.tier-popular .tier-name{color:var(--text-light)}
.tier-content{
  display:flex;align-items:flex-end;gap:8px;margin-bottom:14px;
}
.tier-step{
  font-size:clamp(2rem,4vw,2.75rem);font-weight:800;
  background:var(--brand-gradient);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.tier-card.tier-popular .tier-step{
  background:var(--promo-gold);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.tier-desc{color:var(--text-sub-dark);font-size:0.9rem;margin-bottom:16px}
.tier-card.tier-popular .tier-desc{color:var(--text-sub-light)}
.tier-list{list-style:none;padding:0;margin:0 0 22px;flex-grow:1}
.tier-list li{
  display:flex;align-items:flex-start;gap:10px;
  padding:6px 0;font-size:0.92rem;
}
.tier-card.tier-popular .tier-list li{color:var(--text-light)}
.tier-list li i{
  color:var(--brand-cyan);margin-top:5px;
}
.tier-card.tier-popular .tier-list li i{color:var(--brand-cyan)}
.tier-unlock{
  font-size:0.82rem;color:var(--text-sub-dark);margin-bottom:18px;
  padding:10px 14px;background:rgba(139,92,246,0.08);border-radius:12px;
  border-left:3px solid var(--brand-purple);
}
.tier-card.tier-popular .tier-unlock{color:var(--text-sub-light);background:rgba(255,255,255,0.06);border-left-color:var(--promo-gold)}
.btn-tier{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-gradient);color:#100B22;
  border:none;border-radius:12px;padding:10px 22px;font-size:0.9rem;font-weight:600;
  transition:all .25s ease;cursor:pointer;
}
.btn-tier:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,230,165,0.3);color:#100B22}
.btn-tier-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1px solid rgba(139,92,246,0.6);color:var(--brand-purple);
  border-radius:12px;padding:10px 22px;font-size:0.9rem;font-weight:600;
  transition:all .25s ease;
}
.btn-tier-outline:hover{background:rgba(139,92,246,0.1);transform:translateY(-2px)}
.tier-card.tier-popular .btn-tier-outline{color:var(--text-light);border-color:rgba(255,255,255,0.4)}
.tier-card.tier-popular .btn-tier-outline:hover{background:rgba(255,255,255,0.1)}
.tier-card.tier-popular .btn-tier{background:linear-gradient(120deg,#FFC53D,#FF4D8D);color:#fff}

/* 套餐对比 */
.plan-section{background:var(--bg-deep);color:var(--text-light)}
.plan-section .section-title{color:#fff}
.plan-section .section-desc{color:var(--text-sub-light)}
.plan-card{
  border-radius:24px;padding:38px 28px;height:100%;
  display:flex;flex-direction:column;transition:all .3s ease;
  background:rgba(255,255,255,0.06);border:1px solid var(--border-dark);
}
.plan-card:hover{transform:translateY(-4px)}
.plan-card.plan-hot{
  background:linear-gradient(140deg,rgba(139,92,246,0.2) 0%,rgba(0,230,165,0.12) 100%);
  border:1px solid rgba(139,92,246,0.6);
  box-shadow:var(--shadow-glow);
  transform:scale(1.03);
}
.plan-card.plan-hot:hover{transform:translateY(-4px) scale(1.03)}
.plan-name{font-size:1.15rem;font-weight:700;margin-bottom:18px}
.plan-price-row{display:flex;align-items:flex-start;gap:4px;margin-bottom:8px}
.plan-price-symbol{font-size:1rem;color:var(--text-sub-light);margin-top:8px}
.plan-price{
  font-size:clamp(2rem,4vw,2.6rem);font-weight:800;
  background:var(--brand-gradient);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  line-height:1.1;
}
.plan-card.plan-hot .plan-price{
  background:linear-gradient(120deg,#FFC53D,#00E6A5);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.plan-period{color:var(--text-sub-light);font-size:0.85rem;margin-bottom:20px}
.plan-features{list-style:none;padding:0;margin:0 0 26px;flex-grow:1}
.plan-features li{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;font-size:0.92rem;color:rgba(245,244,255,0.85);
}
.plan-features li i.has{color:var(--brand-cyan)}
.plan-features li i.empty{color:rgba(167,163,194,0.4)}
.btn-plan{
  display:block;text-align:center;
  background:var(--brand-gradient);color:#100B22;
  border-radius:12px;padding:12px 24px;font-size:0.95rem;font-weight:600;
  transition:all .25s ease;border:none;cursor:pointer;
}
.btn-plan:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,230,165,0.35);color:#100B22}
.btn-plan-outline{
  display:block;text-align:center;
  background:transparent;border:1px solid rgba(255,255,255,0.4);color:#fff;
  border-radius:12px;padding:12px 24px;font-size:0.95rem;font-weight:500;
  transition:all .25s ease;
}
.btn-plan-outline:hover{background:rgba(255,255,255,0.1)}
.plan-card.plan-hot .btn-plan-outline{
  background:linear-gradient(120deg,#FFC53D,#FF4D8D);border:none;color:#fff;font-weight:600;
}
.plan-card.plan-hot .btn-plan-outline:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,77,141,0.4)}
.plan-hot-tag{
  position:absolute;top:-12px;right:16px;
  background:var(--promo-gold);color:#100B22;
  font-size:0.75rem;font-weight:700;padding:4px 14px;border-radius:999px;
}
.plan-card-wrap{position:relative}

/* 限时入口 */
.limited-section{
  background:
    linear-gradient(rgba(27,20,53,0.92),rgba(16,11,34,0.95)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:var(--text-light);padding:80px 0;position:relative;
}
.limited-section::before{
  content:'';position:absolute;top:0;right:10%;width:320px;height:320px;
  background:radial-gradient(circle,rgba(255,197,61,0.15),transparent 70%);
  pointer-events:none;
}
.limited-title{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700;margin-bottom:10px}
.limited-desc{color:var(--text-sub-light);margin-bottom:28px;max-width:520px}
.countdown{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.countdown-item{
  background:rgba(16,11,34,0.8);border:1px solid rgba(255,197,61,0.4);
  border-radius:12px;padding:16px 12px;min-width:76px;text-align:center;
}
.countdown-num{
  font-size:1.8rem;font-weight:800;color:var(--promo-gold);
  line-height:1.2;
}
.countdown-label{font-size:0.75rem;color:var(--text-sub-light)}
.btn-limited{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(120deg,#FFC53D,#FF4D8D);color:#fff;
  border:none;border-radius:12px;padding:14px 36px;
  font-size:1rem;font-weight:700;cursor:pointer;
  animation:limited-pulse 2s infinite;
  transition:all .25s ease;
  box-shadow:0 6px 24px rgba(255,77,141,0.4);
}
.btn-limited:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,77,141,0.5)}
@keyframes limited-pulse{
  0%,100%{box-shadow:0 6px 24px rgba(255,77,141,0.3)}
  50%{box-shadow:0 6px 32px rgba(255,77,141,0.6)}
}
.limited-only{
  display:inline-block;background:rgba(255,197,61,0.2);
  color:var(--promo-gold);font-size:0.72rem;font-weight:700;
  padding:3px 10px;border-radius:999px;margin-left:8px;letter-spacing:0.05em;
}

/* 资讯列表 */
.news-section{background:var(--bg-light)}
.news-card{
  background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:all .3s ease;height:100%;display:flex;flex-direction:column;
  border:1px solid var(--border-light);
}
.news-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(16,11,34,0.14)}
.news-cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-panel)}
.news-cover img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-tag{
  position:absolute;top:12px;left:12px;
  background:linear-gradient(120deg,rgba(139,92,246,0.9),rgba(0,230,165,0.9));
  color:#100B22;font-size:0.72rem;font-weight:700;
  padding:4px 12px;border-radius:999px;letter-spacing:0.03em;
}
.news-body{padding:20px;display:flex;flex-direction:column;flex-grow:1}
.news-title{font-size:1.15rem;font-weight:700;line-height:1.4;margin-bottom:10px}
.news-title a{color:var(--text-dark);transition:color .2s}
.news-title a:hover{color:var(--brand-purple)}
.news-excerpt{
  color:var(--text-sub-dark);font-size:0.875rem;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--border-light);
}
.news-meta time{color:var(--text-sub-dark);font-size:0.82rem}
.news-more{color:var(--brand-purple);font-size:0.85rem;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.news-more:hover{color:var(--brand-cyan);gap:10px}

/* 空状态 */
.empty-state{
  border:2px dashed #C9C4DF;border-radius:16px;
  padding:48px 20px;text-align:center;color:var(--text-sub-dark);
  background:rgba(255,255,255,0.5);
}
.empty-state .empty-icon{
  font-size:2rem;color:#C9C4DF;margin-bottom:12px;
}
.empty-state p{font-size:0.92rem;margin:0}

/* FAQ */
.faq-section{background:var(--bg-light)}
.faq-card{
  background:#fff;border:1px solid var(--border-light);
  border-radius:16px;margin-bottom:12px;overflow:hidden;
  transition:all .25s ease;
}
.faq-card:hover{border-color:rgba(139,92,246,0.4)}
.faq-card.active{border-color:var(--brand-purple);background:#FCFBFF}
.faq-button{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;background:transparent;border:none;
  padding:18px 24px;font-size:0.95rem;font-weight:600;
  color:var(--text-dark);cursor:pointer;text-align:left;
  transition:all .25s ease;
}
.faq-button:hover{color:var(--brand-purple)}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(139,92,246,0.1);color:var(--brand-purple);
  transition:transform .3s ease;font-size:0.85rem;
}
.faq-card.active .faq-icon{transform:rotate(135deg);background:var(--brand-gradient);color:#100B22}
.faq-answer{
  display:none;padding:0 24px 20px;
  color:var(--text-sub-dark);font-size:0.875rem;line-height:1.7;
}
.faq-card.active .faq-answer{display:block}
/* Bootstrap 折叠互操作 */
.faq-card .accordion-collapse{background:transparent;border:none}
.faq-card .accordion-body{padding:0 24px 20px;color:var(--text-sub-dark);font-size:0.875rem;line-height:1.7}

/* 表单 */
.contact-section{background:var(--bg-light)}
.contact-card{
  background:#fff;border-radius:24px;box-shadow:var(--shadow-card);
  padding:48px;display:grid;grid-template-columns:0.8fr 1.2fr;gap:48px;
  border:1px solid var(--border-light);
}
.contact-info h3{font-size:1.3rem;font-weight:700;margin-bottom:16px}
.contact-info p{color:var(--text-sub-dark);font-size:0.92rem;line-height:1.7;margin-bottom:20px}
.contact-covers{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.contact-covers img{
  width:120px;height:80px;object-fit:cover;border-radius:12px;
  border:1px solid var(--border-light);transition:transform .3s ease;
}
.contact-covers img:hover{transform:scale(1.03)}
.contact-info-item{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:0.9rem;color:var(--text-sub-dark)}
.contact-info-item i{color:var(--brand-purple);width:16px}
.contact-form .form-label{
  font-size:0.85rem;font-weight:600;color:var(--text-dark);margin-bottom:6px;
}
.contact-form .form-control,
.contact-form .form-select{
  border-radius:12px;border:1px solid var(--border-light);
  padding:10px 16px;font-size:0.9rem;transition:all .25s ease;
  background:#fff;
}
.contact-form .form-control:focus,
.contact-form .form-select:focus{
  border-color:var(--brand-cyan);box-shadow:0 0 0 4px rgba(0,230,165,0.15);
  outline:none;
}
.form-submit-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-gradient);color:#100B22;
  border:none;border-radius:12px;padding:12px 30px;font-size:0.95rem;font-weight:600;
  cursor:pointer;transition:all .25s ease;
}
.form-submit-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,230,165,0.3)}
.form-success{
  display:none;background:rgba(0,230,165,0.1);border:1px solid var(--brand-cyan);
  border-radius:12px;padding:14px 20px;margin-top:16px;
  color:#0E7B55;font-size:0.9rem;font-weight:500;
}

/* 页脚 */
.site-footer{
  background:var(--bg-deep);color:var(--text-sub-light);
  border-top:3px solid var(--brand-purple);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 0.8fr 0.8fr 1fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-logo{padding:0;color:#fff}
.footer-brand .brand-icon{
  width:34px;height:34px;border-radius:10px;background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;color:#100B22;
}
.footer-desc{font-size:0.875rem;line-height:1.6;color:var(--text-sub-light);margin-bottom:20px}
.footer-col-title{color:#fff;font-size:0.95rem;font-weight:600;margin-bottom:16px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{
  color:var(--text-sub-light);font-size:0.85rem;transition:all .2s ease;
  display:inline-flex;align-items:center;gap:6px;
}
.footer-links a:hover{color:var(--brand-cyan);padding-left:4px}
.footer-contact p{font-size:0.85rem;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.footer-contact i{color:var(--brand-purple);width:16px}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,0.08);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
}
.footer-bottom p{font-size:0.8rem;color:rgba(167,163,194,0.6);margin:0}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a{font-size:0.8rem;color:rgba(167,163,194,0.6);transition:color .2s}
.footer-bottom-links a:hover{color:var(--brand-cyan)}

/* 响应式 */
@media(max-width:992px){
  .header-inner{grid-template-columns:auto 1fr auto;padding:0 16px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .brand-logo{font-size:1.1rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .contact-card{grid-template-columns:1fr;gap:32px;padding:32px}
}
@media(max-width:768px){
  .hero{padding:70px 0 56px}
  .hero h1{font-size:2.2rem}
  .hero-sub{font-size:1rem}
  .section{padding:56px 0}
  .countdown{justify-content:center}
  .limited-section{padding:56px 0}
  .news-card{max-width:480px;margin:0 auto}
}
@media(max-width:576px){
  .header-inner{height:64px}
  .brand-logo{font-size:1rem}
  .brand-icon{width:30px;height:30px;font-size:0.85rem}
  .brand-badge{display:none}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
  .hero-btns{flex-direction:column;align-items:stretch}
  .btn-main,.btn-ghost{justify-content:center}
  .plan-card.plan-hot{transform:scale(1.02)}
  .plan-card.plan-hot:hover{transform:translateY(-4px) scale(1.02)}
  .contact-card{padding:24px}
}

@media(max-width:375px){
  .hero h1{font-size:1.8rem}
  .countdown-item{min-width:64px;padding:12px 8px}
  .countdown-num{font-size:1.4rem}
}

/* roulang page: category1 */
:root {
  --dark-bg: #100B22;
  --dark-panel: #1B1435;
  --light-bg: #F6F5FB;
  --card-bg: #FFFFFF;
  --gradient-main: linear-gradient(120deg, #8B5CF6, #00E6A5);
  --gradient-pink: linear-gradient(120deg, #FFC53D, #FF4D8D);
  --accent-gold: #FFC53D;
  --accent-pink: #FF4D8D;
  --text-dark: #1A1530;
  --text-muted: #6F6A85;
  --text-light: #F5F4FF;
  --text-muted-light: #A7A3C2;
  --border-light: #E8E4F5;
  --border-dark: rgba(255,255,255,0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 2px 8px rgba(16,11,34,0.06), 0 12px 32px rgba(16,11,34,0.10);
  --shadow-glow: 0 0 0 1px rgba(139,92,246,0.35), 0 12px 32px rgba(0,230,165,0.12);
  --font-stack: 'HarmonyOS Sans SC','MiSans','PingFang SC','Microsoft YaHei',sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-stack);
  background: var(--light-bg);
  color: var(--text-dark);
  font-size: 1rem;
  line-height: 1.75;
  font-feature-settings: 'tnum';
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color .2s ease; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 3px solid rgba(0,230,165,.5);
  outline-offset: 3px;
  border-radius: 8px;
}
.container { max-width: 1200px; }
.section { padding: 96px 0; position: relative; }
.section-bg-white { background: #fff; }
.section-bg-light { background: var(--light-bg); }
.section-bg-dark { background: var(--dark-bg); color: var(--text-light); }
.section-bg-panel { background: var(--dark-panel); color: var(--text-light); }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .75rem; font-weight: 700; letter-spacing: .12em;
  color: var(--dark-bg);
  background: rgba(139,92,246,.12);
  border: 1px solid rgba(139,92,246,.25);
  border-radius: 999px; padding: 6px 16px; text-transform: uppercase;
  margin-bottom: 16px;
}
.section-eyebrow .icon { color: #8B5CF6; }
.section-dark .section-eyebrow { color: var(--text-light); background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.18); }
.section-eyebrow .icon { color: #00E6A5; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: inherit; margin: 0 0 .5em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1.5em; }
.text-muted-c { color: var(--text-muted); }
.section-dark .text-muted-c, .section-bg-dark .text-muted-c, .section-bg-panel .text-muted-c { color: var(--text-muted-light); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: var(--radius-sm);
  padding: 10px 28px; font-weight: 600; font-size: 1rem;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, #00E6A5, #8B5CF6);
  color: var(--dark-bg);
}
.btn-primary:hover, .btn-primary:active {
  color: var(--dark-bg);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,230,165,.35), 0 4px 12px rgba(139,92,246,.25);
}
.btn-outline {
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255,255,255,.6);
}
.btn-outline:hover { background: rgba(139,92,246,.15); color: #fff; transform: translateY(-2px); }
.btn-outline-light {
  background: transparent;
  color: var(--text-dark);
  border: 1px solid rgba(139,92,246,.5);
}
.btn-outline-light:hover { background: rgba(139,92,246,.12); color: var(--text-dark); }
.btn-gold {
  background: var(--gradient-pink);
  color: #fff;
  box-shadow: 0 0 20px rgba(255,77,141,.25);
}
.btn-gold:hover, .btn-gold:active { color: #fff; transform: translateY(-2px); box-shadow: 0 0 32px rgba(255,77,141,.4); }
.btn-sm { padding: 7px 18px; font-size: .9375rem; }
.btn-lg { padding: 14px 36px; font-size: 1.05rem; border-radius: 14px; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 1050;
  background: rgba(16,11,34,.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(139,92,246,.6);
  box-shadow: 0 4px 24px rgba(16,11,34,.35);
}
.header-inner {
  max-width: 1280px; margin: 0 auto; height: 72px;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  position: relative;
}
.nav-left, .nav-right {
  display: flex; align-items: center; gap: 8px;
  z-index: 2;
}
.nav-link-item {
  position: relative;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: .9375rem;
  font-weight: 500;
  color: rgba(245,244,255,.85);
  transition: color .2s ease, background .2s ease;
}
.nav-link-item:hover {
  color: #fff;
  background: rgba(139,92,246,.25);
}
.nav-link-item.active {
  background: rgba(139,92,246,.45);
  color: #fff;
  font-weight: 600;
}
.nav-cta {
  margin-left: 8px;
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--gradient-main);
  color: var(--dark-bg);
  font-size: .9375rem;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}
.nav-cta:hover { color: var(--dark-bg); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,230,165,.35); }
.brand-logo {
  display: inline-flex; align-items: center; gap: 8px;
  position: absolute; left: 50%; transform: translateX(-50%);
  z-index: 3;
  color: #fff;
  font-size: 1.3rem; font-weight: 800;
  letter-spacing: .02em;
}
.brand-logo:hover { color: #fff; }
.brand-icon {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--gradient-main);
  color: var(--dark-bg) !important;
  border-radius: 10px;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(139,92,246,.45);
}
.brand-badge {
  font-size: .72rem; font-weight: 700;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.25);
  padding: 2px 10px;
  border-radius: 999px;
  letter-spacing: .08em;
}
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 12px;
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
  transition: background .2s ease;
}
.nav-toggle:hover { background: rgba(139,92,246,.35); }

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  padding: 100px 0 110px;
  background-color: var(--dark-bg);
  background-image:
    linear-gradient(120deg, rgba(16,11,34,.92) 15%, rgba(27,20,53,.72) 60%, rgba(0,230,165,.25) 130%),
    url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  color: var(--text-light);
  overflow: hidden;
}
.category-hero::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(139,92,246,.28), transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(0,230,165,.18), transparent 40%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 780px; }
.hero-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .875rem; color: rgba(245,244,255,.75);
  margin-bottom: 24px;
}
.hero-breadcrumb a { color: rgba(245,244,255,.85); }
.hero-breadcrumb a:hover { color: #00E6A5; }
.hero-breadcrumb .sep { opacity: .5; }
.category-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
  background: linear-gradient(120deg, #8B5CF6, #00E6A5);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.category-hero .hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(245,244,255,.9);
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 20px; }
.hero-note { font-size: .75rem; color: rgba(245,244,255,.5); }

/* ===== Gallery ===== */
.featured-game {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 100%;
  box-shadow: var(--shadow-glow);
  background: var(--dark-panel);
}
.featured-game img {
  width: 100%; height: 100%;
  object-fit: cover;
  min-height: 420px;
  transition: transform .4s ease;
}
.featured-game:hover img { transform: scale(1.03); }
.featured-overlay {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px;
  background: linear-gradient(to top, rgba(16,11,34,.92) 20%, transparent);
  color: #fff;
}
.featured-overlay .tag-hot,
.mini-card .tag-hot {
  display: inline-block;
  background: var(--gradient-main);
  color: var(--dark-bg);
  font-size: .75rem; font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.featured-overlay h3 { font-size: 1.5rem; margin-bottom: 6px; }
.featured-overlay p { font-size: .9375rem; color: rgba(255,255,255,.85); margin-bottom: 14px; }
.mini-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.mini-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(16,11,34,.14); }
.mini-card .mini-cover { overflow: hidden; position: relative; }
.mini-card .mini-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; transition: transform .4s ease; }
.mini-card:hover .mini-cover img { transform: scale(1.04); }
.mini-card .mini-body { padding: 16px 18px; flex: 1; display: flex; flex-direction: column; }
.mini-card .mini-tag {
  align-self: flex-start;
  font-size: .75rem; font-weight: 600;
  color: #7C3AED;
  background: rgba(139,92,246,.12);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.mini-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.mini-card p { font-size: .875rem; color: var(--text-muted); margin-bottom: 12px; flex: 1; }
.mini-card .mini-link { font-size: .875rem; font-weight: 600; color: var(--dark-bg); }
.mini-card .mini-link:hover { color: #8B5CF6; }

/* ===== Tabs / Game Cards ===== */
.category-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.category-tabs .nav-item { margin: 0; }
.category-tabs .nav-link {
  border-radius: 999px;
  padding: 8px 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(245,244,255,.85);
  font-weight: 600;
  font-size: .9375rem;
  transition: all .2s ease;
}
.category-tabs .nav-link:hover { color: #fff; background: rgba(139,92,246,.3); }
.category-tabs .nav-link.active {
  background: var(--gradient-main);
  color: var(--dark-bg);
  border-color: transparent;
  font-weight: 700;
}
.h-scroll {
  display: flex; gap: 18px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(139,92,246,.5) rgba(255,255,255,.06);
}
.h-scroll::-webkit-scrollbar { height: 6px; }
.h-scroll::-webkit-scrollbar-track { background: rgba(255,255,255,.06); border-radius: 999px; }
.h-scroll::-webkit-scrollbar-thumb { background: rgba(139,92,246,.55); border-radius: 999px; }
.game-card {
  min-width: 270px;
  max-width: 290px;
  background: rgba(255,255,255,.07);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  scroll-snap-align: start;
  transition: transform .2s ease, box-shadow .2s ease, border .2s ease;
}
.game-card:hover { transform: translateY(-4px); border-color: rgba(139,92,246,.55); box-shadow: 0 16px 32px rgba(0,230,165,.15); }
.game-cover { overflow: hidden; }
.game-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; transition: transform .4s ease; }
.game-card:hover .game-cover img { transform: scale(1.04); }
.game-info { padding: 16px 18px; }
.game-tag-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.game-tag {
  font-size: .75rem; font-weight: 600;
  color: #00E6A5;
  background: rgba(0,230,165,.12);
  border: 1px solid rgba(0,230,165,.2);
  padding: 3px 12px;
  border-radius: 999px;
}
.game-rating { font-size: .8125rem; color: var(--accent-gold); }
.game-info h3 { color: #fff; font-size: 1.1rem; margin-bottom: 10px; }
.game-meta { display: flex; align-items: center; justify-content: space-between; }
.game-meta .meta-type { font-size: .8125rem; color: var(--text-muted-light); }
.game-play-link { font-size: .875rem; font-weight: 700; color: #00E6A5; }
.game-play-link:hover { color: #8B5CF6; }

/* ===== Stats ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  border-top: 3px solid transparent;
  background-image:
    linear-gradient(white, white),
    linear-gradient(120deg, #8B5CF6, #00E6A5);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border: 3px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(16,11,34,.14); }
.stat-number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(120deg, #8B5CF6, #00E6A5);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-feature-settings: 'tnum';
}
.stat-unit { font-size: .9375rem; font-weight: 600; color: var(--text-muted); margin-left: 4px; -webkit-text-fill-color: var(--text-muted); }
.stat-label { font-size: .875rem; color: var(--text-muted); margin-top: 8px; }

/* ===== Steps ===== */
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.step-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(16,11,34,.14); }
.step-number {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-main);
  color: var(--dark-bg);
  font-size: 1.2rem; font-weight: 800;
  border-radius: 16px;
  margin-bottom: 18px;
}
.step-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step-card p { font-size: .875rem; color: var(--text-muted); margin: 0; }

/* ===== Scenes ===== */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scene-card {
  background: var(--dark-panel);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  color: var(--text-light);
  box-shadow: 0 16px 36px rgba(16,11,34,.3);
  transition: transform .2s ease, box-shadow .2s ease;
}
.scene-card:hover { transform: translateY(-5px); box-shadow: 0 20px 44px rgba(16,11,34,.38); }
.scene-card img { width: 100%; height: 180px; object-fit: cover; opacity: .8; }
.scene-body { padding: 26px; }
.scene-icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--gradient-main);
  border-radius: 14px;
  color: var(--dark-bg);
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.scene-body h3 { color: #fff; font-size: 1.15rem; margin-bottom: 8px; }
.scene-body p { color: var(--text-muted-light); font-size: .875rem; margin: 0; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 840px; margin: 0 auto; }
.accordion-item {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(16,11,34,.04);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: rgba(139,92,246,.5);
  box-shadow: 0 0 0 1px rgba(139,92,246,.25), 0 8px 24px rgba(16,11,34,.08);
}
.accordion-button {
  background: #fff;
  color: var(--text-dark);
  font-weight: 600;
  font-size: .9375rem;
  padding: 18px 22px;
  box-shadow: none !important;
  transition: background .2s ease;
}
.accordion-button:not(.collapsed) { background: #F3EFFF; color: var(--text-dark); }
.accordion-button::after {
  background-image: none;
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  transition: transform .2s ease, background .2s ease, color .2s ease;
  transform: rotate(0deg);
}
.accordion-button:not(.collapsed)::after {
  content: '−';
  transform: rotate(180deg);
  background: var(--gradient-main);
  color: var(--dark-bg);
  border-color: transparent;
}
.accordion-body { font-size: .875rem; color: var(--text-muted); line-height: 1.7; padding: 0 22px 20px; }

/* ===== CTA ===== */
.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 80px 48px;
  background-color: var(--dark-panel);
  background-image:
    linear-gradient(120deg, rgba(16,11,34,.85), rgba(27,20,53,.7)),
    url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  color: var(--text-light);
  text-align: center;
  box-shadow: var(--shadow-glow);
}
.cta-banner h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); margin-bottom: 12px; }
.cta-banner p { font-size: 1rem; color: var(--text-muted-light); max-width: 560px; margin: 0 auto 28px; }
.cta-banner .cta-btns { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ===== Footer ===== */
.site-footer {
  background: var(--dark-bg);
  color: var(--text-light);
  border-top: 3px solid;
  border-image: linear-gradient(120deg, #8B5CF6, #00E6A5) 1;
  padding-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand { margin-bottom: 16px; }
.footer-desc { color: var(--text-muted-light); font-size: .875rem; margin-bottom: 20px; max-width: 280px; }
.footer-contact p { font-size: .875rem; color: var(--text-muted-light); margin-bottom: 8px; }
.footer-contact i { color: #00E6A5; width: 20px; margin-right: 6px; }
.footer-col-title { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 18px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-muted-light); font-size: .875rem; transition: color .2s ease, padding-left .2s ease; }
.footer-links a:hover { color: #00E6A5; padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: .8125rem;
  color: var(--text-muted-light);
}
.footer-bottom-links { display: flex; gap: 18px; }
.footer-bottom-links a { color: var(--text-muted-light); }
.footer-bottom-links a:hover { color: #00E6A5; }

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .header-inner { max-width: 100%; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}
@media (max-width: 991px) {
  .section { padding: 64px 0; }
  .header-inner { flex-wrap: wrap; height: auto; min-height: 64px; padding: 12px 16px; }
  .brand-logo { position: static; transform: none; order: 1; }
  .nav-toggle { display: inline-flex; order: 2; }
  .nav-left, .nav-right {
    order: 3; width: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(20,14,40,.98);
    border-radius: 0 0 16px 16px;
    padding: 14px 8px;
    margin-top: 8px;
  }
  .nav-link-item { display: block; width: 100%; padding: 12px 14px; }
  .nav-cta { display: block; width: 100%; margin: 6px 0 0; text-align: center; border-radius: 12px; }
  .header-inner.nav-open .nav-left,
  .header-inner.nav-open .nav-right { display: flex; }
  .category-hero { padding: 72px 0 80px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .section { padding: 52px 0; }
  .h-scroll { gap: 12px; }
  .game-card { min-width: 230px; }
  .featured-game img { min-height: 320px; }
  .category-hero h1 { font-size: clamp(1.9rem, 7vw, 2.7rem); }
  .hero-actions .btn { width: 100%; }
  .cta-banner { padding: 56px 20px; }
  .cta-banner .cta-btns .btn { width: 100%; }
}
@media (max-width: 520px) {
  .header-inner { padding: 10px 12px; }
  .brand-logo { font-size: 1.1rem; }
  .brand-icon { width: 30px; height: 30px; font-size: .85rem; }
  .brand-badge { font-size: .65rem; padding: 2px 8px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 22px 16px; }
  .step-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom-links { flex-wrap: wrap; justify-content: center; gap: 12px; }
}

/* roulang page: article */
:root {
  --c-bg-dark: #100B22;
  --c-bg-panel: #1B1435;
  --c-bg-light: #F6F5FB;
  --c-card: #FFFFFF;
  --grad-main: linear-gradient(120deg, #8B5CF6 0%, #00E6A5 100%);
  --grad-btn: linear-gradient(120deg, #00E6A5 0%, #8B5CF6 100%);
  --grad-limit: linear-gradient(120deg, #FFC53D, #FF4D8D);
  --c-gold: #FFC53D;
  --c-pink: #FF4D8D;
  --c-purple: #8B5CF6;
  --c-cyan: #00E6A5;
  --c-text-dark: #1A1530;
  --c-text-mid: #6F6A85;
  --c-text-light: #F5F4FF;
  --c-text-light-dim: #A7A3C2;
  --c-border: #E8E4F5;
  --c-border-dark: rgba(255,255,255,0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 2px 8px rgba(16,11,34,0.06), 0 12px 32px rgba(16,11,34,0.10);
  --shadow-accent: 0 0 0 1px rgba(139,92,246,0.35), 0 12px 32px rgba(0,230,165,0.12);
  --font-main: 'HarmonyOS Sans SC','MiSans','PingFang SC','Microsoft YaHei',sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--c-bg-light);
  color: var(--c-text-dark);
  line-height: 1.75;
  font-feature-settings: 'tnum';
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-purple); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }
a:focus-visible, button:focus-visible, .form-control:focus, .form-select:focus {
  outline: 3px solid rgba(139,92,246,.45);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0,230,165,.18);
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(16,11,34,.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(120deg,#8B5CF6,#00E6A5) 1;
}
.header-inner {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  padding: 0 24px;
}
.nav-left,
.nav-right {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; }
.brand-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 1.22rem;
  color: var(--c-text-light);
  white-space: nowrap;
  line-height: 1;
}
.brand-logo:hover { color: var(--c-text-light); }
.brand-icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--grad-main);
  color: var(--c-bg-dark);
  font-size: 1rem;
}
.brand-badge {
  font-size: .7rem;
  font-weight: 700;
  background: var(--grad-limit);
  color: #fff;
  padding: 3px 8px;
  border-radius: 999px;
  letter-spacing: .02em;
}
.nav-link-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(245,244,255,.82);
  font-size: .9375rem;
  font-weight: 500;
  transition: background .2s,color .2s;
}
.nav-link-item:hover {
  background: rgba(139,92,246,.22);
  color: #fff;
}
.nav-link-item.active {
  background: rgba(139,92,246,.35);
  color: #fff;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 10px;
  background: var(--grad-btn);
  color: var(--c-bg-dark);
  font-weight: 700;
  font-size: .9375rem;
  padding: 9px 20px;
  border-radius: 12px;
  transition: transform .2s,box-shadow .2s;
}
.nav-cta:hover { color: var(--c-bg-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0,230,165,.35); }
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--c-border-dark);
  border-radius: 10px;
  background: transparent;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 991.98px) {
  .header-inner { height: 72px; flex-wrap: wrap; padding: 0 16px; }
  .nav-left, .nav-right { display: none; }
  .brand-logo { position: static; transform: none; margin: 0 auto; }
  .nav-toggle { display: inline-flex; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); }
  .site-header.menu-open .header-inner { flex-wrap: wrap; height: auto; padding-top: 12px; padding-bottom: 18px; }
  .site-header.menu-open .brand-logo { margin: 0 auto 12px; }
  .site-header.menu-open .nav-left,
  .site-header.menu-open .nav-right {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 6px;
  }
  .site-header.menu-open .nav-left { justify-content: flex-start; padding-bottom: 6px; }
  .site-header.menu-open .nav-right { justify-content: flex-start; }
  .site-header.menu-open .nav-link-item,
  .site-header.menu-open .nav-cta { justify-content: center; }
  .site-header.menu-open .nav-cta { margin: 8px 0 0; padding: 11px 20px; }
}

/* ===== 通用按钮 ===== */
.btn-primary-jy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--grad-btn);
  color: var(--c-bg-dark);
  border: none;
  font-weight: 700;
  font-size: 1rem;
  padding: 11px 30px;
  border-radius: 12px;
  transition: transform .2s,box-shadow .2s,filter .2s;
}
.btn-primary-jy:hover { color: var(--c-bg-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,230,165,.35); filter: brightness(1.04); }
.btn-primary-jy:active { transform: translateY(0); }
.btn-outline-jy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(245,244,255,.72);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  padding: 11px 28px;
  border-radius: 12px;
  transition: background .2s,border-color .2s,transform .2s;
}
.btn-outline-jy:hover { background: rgba(139,92,246,.18); border-color: var(--c-purple); color: #fff; transform: translateY(-2px); }

/* ===== 文章横幅 ===== */
.article-banner {
  background:
    linear-gradient(135deg, rgba(16,11,34,.95), rgba(27,20,53,.9)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 68px 0 52px;
  color: var(--c-text-light);
  border-bottom: 1px solid var(--c-border-dark);
}
.breadcrumb-area {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .875rem;
  color: var(--c-text-light-dim);
  margin-bottom: 28px;
}
.breadcrumb-area a { color: var(--c-text-light-dim); }
.breadcrumb-area a:hover { color: var(--c-cyan); }
.breadcrumb-area .sep { opacity: .55; }
.breadcrumb-area .current { color: var(--c-text-light); max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.article-head h1 {
  font-size: clamp(1.8rem, 4.2vw, 2.85rem);
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: -.01em;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  color: var(--c-text-light-dim);
  font-size: .9rem;
  margin-bottom: 18px;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-cat {
  background: rgba(139,92,246,.3);
  border: 1px solid rgba(139,92,246,.5);
  color: #fff;
  padding: 3px 14px;
  border-radius: 999px;
  font-weight: 600;
}
.article-summary {
  max-width: 760px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(245,244,255,.85);
  margin-bottom: 0;
}

/* ===== 文章正文 ===== */
.article-main {
  padding: 52px 0 64px;
}
.article-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.article-body {
  background: var(--c-card);
  border-radius: var(--radius-lg);
  padding: 44px 52px;
  box-shadow: var(--shadow-card);
}
.article-body h2 {
  font-size: 1.7rem;
  font-weight: 700;
  margin-top: 2em;
  margin-bottom: .75em;
  padding-bottom: .4em;
  border-bottom: 2px solid var(--c-border);
  color: var(--c-text-dark);
}
.article-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 1.8em;
  margin-bottom: .6em;
  color: var(--c-text-dark);
}
.article-body h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 1.5em;
  margin-bottom: .5em;
}
.article-body p {
  margin-bottom: 1.5em;
  line-height: 1.9;
  color: #2A2540;
}
.article-body ul,
.article-body ol {
  margin-bottom: 1.5em;
  padding-left: 1.4rem;
}
.article-body li { margin-bottom: .5em; }
.article-body img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin: 1.5em auto;
}
.article-body blockquote {
  border-left: 4px solid var(--c-purple);
  background: var(--c-bg-light);
  padding: 16px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.8em 0;
  color: var(--c-text-mid);
  font-style: normal;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body a { color: var(--c-purple); text-decoration: underline; }
.article-body code {
  background: #F1EEFB;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: .9em;
  color: var(--c-bg-panel);
}
.article-body pre {
  background: var(--c-bg-dark);
  color: var(--c-text-light);
  padding: 18px;
  border-radius: var(--radius-sm);
  overflow: auto;
  margin-bottom: 1.5em;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5em;
}
.article-body th,
.article-body td {
  border: 1px solid var(--c-border);
  padding: 10px 14px;
}
.article-body th {
  background: var(--c-bg-light);
  font-weight: 700;
}

/* ===== 空态 ===== */
.empty-block {
  background: #fff;
  border: 2px dashed var(--c-border);
  border-radius: var(--radius-lg);
  text-align: center;
  padding: 72px 24px;
  box-shadow: var(--shadow-card);
}
.empty-icon {
  font-size: 3.2rem;
  color: var(--c-text-mid);
  margin-bottom: 16px;
}
.empty-block h3 { font-weight: 800; font-size: 1.4rem; margin-bottom: 8px; }
.empty-block p { color: var(--c-text-mid); margin-bottom: 22px; }

/* ===== 文章标签 & 返回 ===== */
.article-tags-section {
  max-width: 860px;
  margin: 28px auto 0;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 18px 24px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.tag-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .875rem;
  color: var(--c-text-mid);
  font-weight: 600;
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--c-bg-light);
  border: 1px solid var(--c-border);
  color: var(--c-text-mid);
  font-size: .875rem;
  transition: border-color .2s,color .2s,background .2s;
}
.tag-chip:hover {
  border-color: var(--c-purple);
  color: var(--c-purple);
  background: #fff;
}
.tag-chip-link {
  margin-left: auto;
  font-weight: 600;
  border-color: rgba(139,92,246,.3);
  color: var(--c-purple);
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 64px 0 32px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 8px;
  color: var(--c-text-dark);
  letter-spacing: -.01em;
}
.section-subtitle {
  text-align: center;
  color: var(--c-text-mid);
  font-size: .9375rem;
  margin-bottom: 36px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .25s,box-shadow .25s;
  height: 100%;
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(16,11,34,.16);
}
.news-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--c-bg-panel);
}
.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.news-card:hover .news-cover img { transform: scale(1.04); }
.news-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: var(--grad-main);
  color: var(--c-bg-dark);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: .02em;
}
.news-body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-body h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
}
.news-body h3 a { color: var(--c-text-dark); }
.news-body h3 a:hover { color: var(--c-purple); }
.news-excerpt {
  color: var(--c-text-mid);
  font-size: .875rem;
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  margin-top: auto;
  font-size: .8125rem;
  color: var(--c-text-mid);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ===== CTA 横幅 ===== */
.article-cta {
  margin-top: 64px;
  margin-bottom: 24px;
  background:
    linear-gradient(120deg, rgba(16,11,34,.94), rgba(27,20,53,.9)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.article-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.article-cta p {
  color: rgba(245,244,255,.8);
  margin-bottom: 26px;
  font-size: .9875rem;
}
.cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--c-bg-dark);
  color: var(--c-text-light-dim);
  border-top: 3px solid transparent;
  border-image: var(--grad-main) 1;
  padding: 56px 0 24px;
}
.site-footer .container { max-width: 1240px; }
.site-footer a { color: var(--c-text-light-dim); }
.site-footer a:hover { color: var(--c-cyan); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { margin-bottom: 14px; }
.site-footer .brand-logo {
  position: static;
  transform: none;
  padding: 0;
  color: #fff;
  font-size: 1.2rem;
}
.site-footer .brand-logo:hover { color: #fff; }
.footer-desc {
  font-size: .875rem;
  color: var(--c-text-light-dim);
  line-height: 1.8;
  margin-bottom: 18px;
}
.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .02em;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: .875rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a::before {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: .75rem;
  color: rgba(163,160,194,.6);
  transition: color .2s;
}
.footer-links a:hover::before { color: var(--c-cyan); }
.footer-contact p {
  margin-bottom: 10px;
  font-size: .875rem;
  color: var(--c-text-light-dim);
}
.footer-contact i { color: var(--c-cyan); margin-right: 4px; width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid var(--c-border-dark);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  font-size: .8125rem;
}
.footer-bottom p { margin: 0; }
.footer-bottom-links { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 991.98px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .related-grid { grid-template-columns: 1fr; }
  .article-main { padding: 36px 0 48px; }
  .article-body { padding: 26px 20px; border-radius: var(--radius-md); }
  .article-banner { padding: 48px 0 36px; }
  .article-tags-section { padding: 16px 18px; }
  .tag-chip-link { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
}
@media (max-width: 575.98px) {
  .article-cta { padding: 40px 20px; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn-primary-jy,
  .cta-buttons .btn-outline-jy { justify-content: center; }
}
@media (max-width: 375px) {
  .article-head h1 { font-size: 1.65rem; }
  .article-meta { gap: 10px; }
  .article-section-title { font-size: 1.4rem; }
}

/* roulang page: category2 */
:root {
      --bg-deep: #100B22;
      --bg-panel: #1B1435;
      --bg-soft: #F6F5FB;
      --bg-white: #FFFFFF;
      --grad-main: linear-gradient(120deg, #8B5CF6, #00E6A5);
      --grad-cta: linear-gradient(120deg, #FFC53D, #FF4D8D);
      --purple: #8B5CF6;
      --mint: #00E6A5;
      --gold: #FFC53D;
      --pink: #FF4D8D;
      --text-main: #1A1530;
      --text-sub: #6F6A85;
      --text-light: #F5F4FF;
      --text-sub-light: #A7A3C2;
      --border-soft: #E8E4F5;
      --border-dark: rgba(255, 255, 255, 0.12);
      --radius-lg: 24px;
      --radius-md: 16px;
      --shadow-soft: 0 2px 8px rgba(16, 11, 34, 0.06), 0 12px 32px rgba(16, 11, 34, 0.10);
      --shadow-glow: 0 0 0 1px rgba(139, 92, 246, 0.35), 0 12px 32px rgba(0, 230, 165, 0.12);
      --font-family: 'HarmonyOS Sans SC', 'MiSans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family);
      color: var(--text-main);
      background: var(--bg-soft);
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    input,
    select,
    textarea {
      font-family: inherit;
    }

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid var(--mint);
      outline-offset: 2px;
    }

    .container {
      max-width: 1200px;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(16, 11, 34, 0.86);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }

    .site-header::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 1px;
      background: var(--grad-main);
    }

    .header-inner {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      height: 72px;
      padding: 0 24px;
      position: relative;
      max-width: 1440px;
      margin: 0 auto;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 800;
      font-size: 1.25rem;
      color: #fff;
      letter-spacing: 0.5px;
      padding: 6px 14px;
      position: relative;
    }

    .brand-logo:hover {
      color: #fff;
      opacity: 0.92;
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--grad-main);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #100B22;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .brand-badge {
      font-size: 0.625rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 999px;
      background: var(--grad-cta);
      color: #fff;
      letter-spacing: 0.5px;
      line-height: 1.4;
    }

    .nav-left,
    .nav-right {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-left {
      justify-self: flex-start;
    }

    .nav-right {
      justify-self: flex-end;
    }

    .nav-link-item {
      display: inline-flex;
      align-items: center;
      padding: 8px 16px;
      border-radius: 999px;
      color: rgba(255, 255, 255, 0.75);
      font-size: 0.9375rem;
      font-weight: 500;
      transition: all 0.25s ease;
    }

    .nav-link-item:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
    }

    .nav-link-item.active {
      background: var(--purple);
      color: #fff;
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 20px;
      border-radius: 999px;
      background: var(--grad-main);
      color: #100B22;
      font-weight: 700;
      font-size: 0.875rem;
      margin-left: 8px;
      transition: all 0.25s ease;
    }

    .nav-cta:hover {
      color: #100B22;
      box-shadow: 0 4px 16px rgba(0, 230, 165, 0.3);
      transform: translateY(-1px);
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 10px;
      color: #fff;
      font-size: 1rem;
      align-items: center;
      justify-content: center;
    }

    /* ===== Buttons ===== */
    .btn {
      border-radius: 12px;
      padding: 10px 28px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.9375rem;
    }

    .btn-primary {
      background: var(--grad-main);
      color: #100B22;
      border: none;
    }

    .btn-primary:hover {
      color: #100B22;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 230, 165, 0.28);
    }

    .btn-outline {
      background: transparent;
      border: 1px solid rgba(139, 92, 246, 0.6);
      color: var(--purple);
    }

    .btn-outline:hover {
      background: rgba(139, 92, 246, 0.12);
      color: var(--purple);
    }

    .btn-cta {
      background: var(--grad-cta);
      color: #fff;
      border: none;
      animation: pulseGlow 2.2s ease-in-out infinite;
      padding: 14px 38px;
    }

    .btn-cta:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 28px rgba(255, 77, 141, 0.35);
    }

    @keyframes pulseGlow {
      0%,
      100% {
        box-shadow: 0 0 0 0 rgba(255, 77, 141, 0.4);
      }
      50% {
        box-shadow: 0 0 0 14px rgba(255, 77, 141, 0);
      }
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      padding: 120px 0 100px;
      background: var(--bg-deep);
      overflow: hidden;
      text-align: center;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.35;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(16, 11, 34, 0.82), rgba(16, 11, 34, 0.96));
      z-index: 1;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      max-width: 820px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 999px;
      background: rgba(255, 197, 61, 0.15);
      border: 1px solid rgba(255, 197, 61, 0.4);
      color: var(--gold);
      font-size: 0.8125rem;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .hero-title {
      font-size: clamp(2.4rem, 5vw, 3.75rem);
      font-weight: 800;
      line-height: 1.15;
      color: var(--text-light);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: var(--grad-main);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-sub {
      font-size: 1.125rem;
      color: var(--text-sub-light);
      margin-bottom: 36px;
      line-height: 1.7;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .hero .btn-primary {
      padding: 14px 38px;
      font-size: 1rem;
      border-radius: 14px;
    }

    .hero .btn-outline {
      border-color: rgba(255, 255, 255, 0.55);
      color: #fff;
      padding: 14px 38px;
      font-size: 1rem;
      border-radius: 14px;
    }

    .hero .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
    }

    .hero-note {
      margin-top: 32px;
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.35);
    }

    /* ===== Section base ===== */
    .section {
      padding: 96px 0;
    }

    .section-head {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 56px;
    }

    .section-head h2 {
      font-size: clamp(1.6rem, 3vw, 2.25rem);
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .section-head p {
      color: var(--text-sub);
      font-size: 1rem;
    }

    /* ===== Banner cards ===== */
    .promo-banners {
      background: var(--bg-soft);
    }

    .promo-list {
      display: flex;
      flex-direction: column;
      gap: 32px;
    }

    .banner-card {
      display: grid;
      grid-template-columns: 5fr 7fr;
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .banner-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 4px 12px rgba(16, 11, 34, 0.08), 0 20px 48px rgba(16, 11, 34, 0.14);
    }

    .banner-card:nth-child(even) {
      grid-template-columns: 7fr 5fr;
    }

    .banner-card:nth-child(even) .banner-media {
      order: 2;
    }

    .banner-card:nth-child(even) .banner-body {
      order: 1;
    }

    .banner-media {
      min-height: 280px;
      position: relative;
      overflow: hidden;
    }

    .banner-media img {
      width: 100%;
      height: 100%;
      min-height: 280px;
      object-fit: cover;
      transition: transform 0.45s ease;
    }

    .banner-card:hover .banner-media img {
      transform: scale(1.04);
    }

    .banner-body {
      padding: 40px 44px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
    }

    .banner-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 16px;
      border-radius: 999px;
      font-size: 0.75rem;
      font-weight: 600;
      background: linear-gradient(120deg, rgba(139, 92, 246, 0.12), rgba(0, 230, 165, 0.12));
      color: #6D28D9;
      margin-bottom: 16px;
      letter-spacing: 0.3px;
    }

    .banner-body h3 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .banner-desc {
      font-size: 0.9375rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .banner-features {
      list-style: none;
      padding: 0;
      margin: 0 0 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px 22px;
    }

    .banner-features li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: var(--text-main);
    }

    .banner-features li i {
      color: var(--mint);
      font-size: 0.875rem;
    }

    .banner-body .btn {
      padding: 9px 26px;
    }

    /* ===== Tier ===== */
    .tier-section {
      background: var(--bg-deep);
      position: relative;
      overflow: hidden;
    }

    .tier-section .section-head h2 {
      color: var(--text-light);
    }

    .tier-section .section-head p {
      color: var(--text-sub-light);
    }

    .tier-grid {
      display: grid;
      grid-template-columns: 1fr 1.08fr 1fr;
      align-items: center;
      gap: 28px;
    }

    .tier-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      color: var(--text-light);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .tier-card:hover {
      transform: translateY(-4px);
    }

    .tier-card.featured {
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(0, 230, 165, 0.18));
      border: 1px solid rgba(139, 92, 246, 0.5);
      box-shadow: var(--shadow-glow);
      padding: 44px 34px;
      position: relative;
    }

    .tier-label {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 1px;
      padding: 4px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.1);
      color: var(--mint);
      margin-bottom: 16px;
      align-self: flex-start;
    }

    .tier-card h3 {
      font-size: 1.375rem;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 6px;
    }

    .tier-desc {
      font-size: 0.8125rem;
      color: var(--text-sub-light);
      margin-bottom: 20px;
    }

    .tier-card ul {
      list-style: none;
      padding: 0;
      margin: 0 0 28px;
      flex: 1;
    }

    .tier-card ul li {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 7px 0;
      font-size: 0.875rem;
      color: var(--text-light);
    }

    .tier-card ul li i {
      color: var(--mint);
      font-size: 0.875rem;
      flex-shrink: 0;
    }

    .tier-card .btn {
      width: 100%;
      font-size: 0.875rem;
    }

    .tier-card.featured .btn-primary {
      background: var(--grad-cta);
      color: #fff;
    }

    .tier-card.featured .btn-primary:hover {
      color: #fff;
    }

    .tier-card.featured::before {
      content: '热门推荐';
      position: absolute;
      top: -14px;
      right: 24px;
      background: var(--grad-cta);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: 999px;
      box-shadow: 0 4px 12px rgba(255, 77, 141, 0.3);
    }

    /* ===== Steps ===== */
    .steps-section {
      background: var(--bg-soft);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: 1fr auto 1fr auto 1fr;
      align-items: center;
      gap: 24px;
    }

    .step-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 44px 28px;
      text-align: center;
      box-shadow: var(--shadow-soft);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .step-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }

    .step-icon {
      width: 64px;
      height: 64px;
      border-radius: 20px;
      background: var(--grad-main);
      color: #100B22;
      font-size: 1.375rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
    }

    .step-card h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.875rem;
      color: var(--text-sub);
      margin: 0;
    }

    .step-line {
      width: 52px;
      height: 2px;
      background-image: linear-gradient(90deg, var(--purple) 50%, transparent 50%);
      background-size: 12px 2px;
      background-repeat: repeat-x;
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--bg-soft);
      padding-top: 0;
    }

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

    .accordion-item {
      background: var(--bg-white);
      border: 1px solid var(--border-soft) !important;
      border-radius: var(--radius-md) !important;
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: 0 1px 4px rgba(16, 11, 34, 0.03);
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .accordion-item:has(.accordion-button:not(.collapsed)) {
      border-color: var(--purple) !important;
      box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.08);
    }

    .accordion-header {
      margin: 0;
    }

    .accordion-button {
      background: var(--bg-white);
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.9375rem;
      padding: 1rem 1.25rem;
      border: none;
      box-shadow: none !important;
      gap: 12px;
    }

    .accordion-button:hover {
      background: #FAF9FF;
    }

    .accordion-button:not(.collapsed) {
      background: #FAF9FF;
      color: var(--text-main);
    }

    .accordion-button::after {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: var(--grad-main);
      background-image: none !important;
      color: #100B22;
      font-family: sans-serif;
      font-size: 1rem;
      font-weight: 700;
      line-height: 26px;
      text-align: center;
      content: '+';
      flex-shrink: 0;
      transition: transform 0.3s ease;
    }

    .accordion-button:not(.collapsed)::after {
      content: '−';
      transform: rotate(0deg);
    }

    .accordion-body {
      font-size: 0.875rem;
      color: var(--text-sub);
      line-height: 1.7;
      padding: 0 1.25rem 1.25rem;
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      padding: 120px 0;
      background: var(--bg-panel);
      text-align: center;
      overflow: hidden;
    }

    .cta-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.2;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      width: 520px;
      height: 520px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 197, 61, 0.22), transparent 65%);
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
      z-index: 1;
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      max-width: 720px;
      margin: 0 auto;
    }

    .cta-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 999px;
      background: rgba(255, 77, 141, 0.15);
      border: 1px solid rgba(255, 77, 141, 0.45);
      color: var(--pink);
      font-size: 0.8125rem;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .cta-inner h2 {
      font-size: clamp(1.6rem, 3vw, 2.25rem);
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 14px;
    }

    .cta-inner p {
      font-size: 1rem;
      color: var(--text-sub-light);
      margin-bottom: 32px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--bg-deep);
      color: var(--text-sub-light);
      border-top: 3px solid transparent;
      border-image: linear-gradient(90deg, var(--purple), var(--mint)) 1;
    }

    .site-footer .container {
      padding-top: 64px;
      padding-bottom: 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
    }

    .footer-brand-col .brand-logo {
      position: static;
      transform: none;
      color: #fff;
      padding: 0;
      margin-bottom: 16px;
    }

    .footer-desc {
      font-size: 0.875rem;
      line-height: 1.7;
      margin-bottom: 16px;
      color: var(--text-sub-light);
      max-width: 360px;
    }

    .footer-contact p {
      font-size: 0.875rem;
      margin-bottom: 8px;
      color: var(--text-sub-light);
    }

    .footer-contact i {
      color: var(--mint);
      width: 20px;
      margin-right: 4px;
    }

    .footer-col-title {
      color: var(--text-light);
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: var(--text-sub-light);
      font-size: 0.875rem;
    }

    .footer-links a:hover {
      color: var(--mint);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
      flex-wrap: wrap;
      gap: 8px;
    }

    .footer-bottom-links {
      display: flex;
      gap: 16px;
    }

    .footer-bottom-links a {
      color: var(--text-sub-light);
    }

    .footer-bottom-links a:hover {
      color: var(--mint);
    }

    /* ===== Responsive ===== */
    @media (max-width: 991px) {
      .header-inner {
        display: flex;
        flex-wrap: wrap;
        height: auto;
        min-height: 68px;
        padding: 10px 16px;
      }

      .brand-logo {
        margin: 0 auto;
        font-size: 1.125rem;
      }

      .nav-toggle {
        display: flex;
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%);
      }

      .nav-left,
      .nav-right {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 8px 0 4px;
        gap: 2px;
      }

      .nav-left.open,
      .nav-right.open {
        display: flex;
      }

      .nav-link-item {
        padding: 12px 18px;
        border-radius: 12px;
        justify-content: flex-start;
      }

      .nav-cta {
        margin: 10px 0 4px;
        justify-content: center;
        padding: 12px 20px;
      }

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

      .tier-card.featured {
        padding: 36px 32px;
      }

      .steps-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .step-line {
        width: 2px;
        height: 40px;
        background-image: linear-gradient(180deg, var(--purple) 50%, transparent 50%);
        background-size: 2px 12px;
        background-repeat: repeat-y;
        margin: 0 auto;
      }

      .banner-card,
      .banner-card:nth-child(even) {
        grid-template-columns: 1fr;
      }

      .banner-card:nth-child(even) .banner-media {
        order: 1;
      }

      .banner-card:nth-child(even) .banner-body {
        order: 2;
      }

      .banner-media {
        min-height: 220px;
      }

      .banner-media img {
        min-height: 220px;
      }

      .banner-body {
        padding: 28px 24px;
      }

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

    @media (max-width: 767px) {
      .section {
        padding: 56px 0;
      }

      .hero {
        padding: 80px 0 64px;
      }

      .hero-title {
        font-size: 2rem;
      }

      .hero-sub {
        font-size: 1rem;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .hero .btn-primary,
      .hero .btn-outline {
        width: 100%;
      }

      .section-head {
        margin-bottom: 40px;
      }

      .banner-features {
        flex-direction: column;
        gap: 6px;
      }

      .cta-section {
        padding: 80px 0;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
      }

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

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

      .header-inner {
        padding: 10px 12px;
      }

      .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
      }

      .brand-badge {
        display: none;
      }

      .banner-body {
        padding: 24px 20px;
      }

      .banner-body h3 {
        font-size: 1.25rem;
      }

      .tier-card {
        padding: 28px 24px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

/* roulang page: category3 */
:root{
  --deep-bg:#100B22;
  --panel-bg:#1B1435;
  --light-bg:#F6F5FB;
  --card-bg:#FFFFFF;
  --card-dark:rgba(255,255,255,0.06);
  --grad-main:linear-gradient(120deg,#8B5CF6,#00E6A5);
  --grad-gold:linear-gradient(120deg,#FFC53D,#FF4D8D);
  --gold:#FFC53D;
  --pink:#FF4D8D;
  --purple:#8B5CF6;
  --cyan:#00E6A5;
  --text-dark:#1A1530;
  --text-sub:#6F6A85;
  --text-light:#F5F4FF;
  --text-light-sub:#A7A3C2;
  --border-light:#E8E4F5;
  --border-dark:rgba(255,255,255,0.12);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-card:0 2px 8px rgba(16,11,34,0.06),0 12px 32px rgba(16,11,34,0.10);
  --shadow-accent:0 0 0 1px rgba(139,92,246,0.35),0 12px 32px rgba(0,230,165,0.12);
  --font-sans:'HarmonyOS Sans SC','MiSans','PingFang SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--light-bg);
  color:var(--text-dark);
  line-height:1.75;
  margin:0;
  padding:0;
  font-feature-settings:'tnum';
}
a{text-decoration:none;color:inherit;transition:color .25s}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
.btn{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(0,230,165,0.55);
  outline-offset:2px;
  border-radius:6px;
}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(16,11,34,0.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  height:72px;
  border-bottom:1px solid transparent;
}
.site-header::after{
  content:'';
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,#8B5CF6,#00E6A5,transparent);
  pointer-events:none;
}
.header-inner{
  position:relative;
  max-width:1320px;
  height:72px;
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-left,.nav-right{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link-item{
  color:rgba(245,244,255,0.82);
  font-size:0.9375rem;
  padding:8px 16px;
  border-radius:999px;
  transition:background .25s,color .25s,transform .25s;
}
.nav-link-item:hover{
  background:rgba(139,92,246,0.18);
  color:#fff;
  transform:translateY(-1px);
}
.nav-link-item.active{
  background:linear-gradient(120deg,rgba(139,92,246,0.92),rgba(0,230,165,0.85));
  color:#100B22;
  font-weight:700;
}
.brand-logo{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  display:flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-size:1.15rem;
  font-weight:800;
  letter-spacing:0.02em;
  text-decoration:none;
}
.brand-logo:hover{color:#fff}
.brand-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--grad-main);
  color:#100B22;
  font-size:0.95rem;
  box-shadow:0 0 0 1px rgba(0,230,165,0.4),0 4px 14px rgba(139,92,246,0.35);
}
.brand-badge{
  font-size:0.7rem;
  font-weight:700;
  color:#100B22;
  background:linear-gradient(120deg,#FFC53D,#FF4D8D);
  padding:2px 8px;
  border-radius:999px;
  letter-spacing:0.04em;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:var(--grad-gold);
  color:#fff;
  font-weight:700;
  font-size:0.875rem;
  padding:9px 20px;
  border-radius:12px;
  box-shadow:0 4px 14px rgba(255,77,141,0.35);
  transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(255,77,141,0.5);
  color:#fff;
}
.nav-toggle{
  display:none;
  background:none;
  border:none;
  color:#fff;
  font-size:1.35rem;
  padding:6px 10px;
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,0.1)}

/* ===== Billboard / Hero ===== */
.billboard{
  position:relative;
  background-size:cover;
  background-position:center;
  color:var(--text-light);
  padding:96px 0 88px;
  overflow:hidden;
}
.billboard::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(16,11,34,0.94) 20%,rgba(27,20,53,0.78) 60%,rgba(16,11,34,0.55));
}
.billboard::after{
  content:'';
  position:absolute;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,230,165,0.22),transparent 65%);
  top:-120px;
  right:-80px;
  pointer-events:none;
}
.billboard-content{
  position:relative;
  z-index:2;
  max-width:860px;
}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  font-size:0.875rem;
  color:rgba(245,244,255,0.65);
  margin-bottom:28px;
}
.breadcrumb-nav a{color:rgba(245,244,255,0.8)}
.breadcrumb-nav a:hover{color:var(--cyan)}
.breadcrumb-nav .sep{margin:0 10px;opacity:0.5}
.breadcrumb-nav .current{color:var(--cyan);font-weight:600}
.billboard-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:0.8125rem;
  font-weight:700;
  color:#100B22;
  background:var(--grad-main);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:18px;
  box-shadow:0 4px 16px rgba(139,92,246,0.35);
}
.billboard h1{
  font-size:clamp(2.4rem,5vw,3.75rem);
  font-weight:800;
  line-height:1.15;
  margin:0 0 16px;
  color:#fff;
}
.billboard-desc{
  font-size:1.05rem;
  color:rgba(245,244,255,0.88);
  max-width:620px;
  margin-bottom:30px;
}
.billboard-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.btn-main{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:linear-gradient(120deg,#00E6A5,#8B5CF6);
  color:#100B22;
  font-weight:700;
  font-size:0.9375rem;
  padding:12px 28px;
  border-radius:12px;
  border:none;
  box-shadow:0 6px 20px rgba(0,230,165,0.28);
  transition:transform .25s,box-shadow .25s;
}
.btn-main:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(0,230,165,0.38);
  color:#100B22;
}
.btn-outline-light{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:transparent;
  color:#f5f4ff;
  font-weight:600;
  font-size:0.9375rem;
  padding:12px 28px;
  border-radius:12px;
  border:1px solid rgba(245,244,255,0.5);
  transition:background .25s,border-color .25s,transform .25s;
}
.btn-outline-light:hover{
  background:rgba(139,92,246,0.15);
  border-color:#8B5CF6;
  color:#fff;
  transform:translateY(-2px);
}

/* ===== Section Head ===== */
.section-head{
  margin-bottom:44px;
}
.section-tag{
  display:inline-block;
  font-size:0.8125rem;
  font-weight:700;
  color:#100B22;
  background:linear-gradient(120deg,rgba(139,92,246,0.16),rgba(0,230,165,0.18));
  border:1px solid rgba(139,92,246,0.25);
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:14px;
  letter-spacing:0.04em;
}
.section-tag.light{
  color:#fff;
  background:rgba(255,255,255,0.1);
  border-color:rgba(255,255,255,0.2);
}
.section-title{
  font-size:clamp(1.6rem,3vw,2.25rem);
  font-weight:700;
  line-height:1.3;
  margin:0 0 10px;
  color:var(--text-dark);
}
.section-title.light{color:#fff}
.section-sub{
  font-size:1rem;
  color:var(--text-sub);
  margin:0;
}
.section-sub.light{color:var(--text-light-sub)}

/* ===== Timeline ===== */
.timeline-section{
  padding:96px 0;
  background:var(--light-bg);
}
.timeline-head{
  max-width:760px;
  margin:0 auto 48px;
  text-align:center;
}
.timeline-title{
  font-size:clamp(1.6rem,3vw,2.25rem);
  font-weight:700;
  margin:0 0 12px;
}
.timeline-sub{
  color:var(--text-sub);
  margin:0;
}
.timeline-wrap{
  position:relative;
  padding-left:34px;
}
.timeline-wrap::before{
  content:'';
  position:absolute;
  left:10px;
  top:8px;
  bottom:8px;
  width:3px;
  border-radius:999px;
  background:linear-gradient(180deg,#8B5CF6,#00E6A5);
}
.timeline-item{
  position:relative;
  margin-bottom:22px;
}
.timeline-item:last-child{margin-bottom:0}
.timeline-item::before{
  content:'';
  position:absolute;
  left:-31px;
  top:28px;
  width:15px;
  height:15px;
  border-radius:50%;
  background:#8B5CF6;
  border:3px solid #fff;
  box-shadow:0 0 0 4px rgba(139,92,246,0.25);
  z-index:1;
}
.timeline-item:nth-child(even)::before{
  background:#00E6A5;
  box-shadow:0 0 0 4px rgba(0,230,165,0.25);
}
.timeline-card{
  background:var(--card-bg);
  border-radius:var(--radius-md);
  padding:24px 26px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--border-light);
  transition:transform .25s,box-shadow .25s,border-color .25s;
  min-height:148px;
}
.timeline-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-accent);
  border-color:rgba(139,92,246,0.3);
}
.timeline-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:12px;
}
.time-badge{
  font-size:0.8125rem;
  font-weight:700;
  color:#100B22;
  background:var(--grad-main);
  padding:4px 12px;
  border-radius:999px;
}
.tag-soft{
  font-size:0.75rem;
  color:var(--purple);
  background:rgba(139,92,246,0.1);
  border:1px solid rgba(139,92,246,0.18);
  padding:3px 10px;
  border-radius:999px;
  font-weight:600;
}
.timeline-card h3{
  font-size:1.125rem;
  font-weight:700;
  margin:0 0 8px;
  color:var(--text-dark);
}
.timeline-card p{
  font-size:0.9375rem;
  color:var(--text-sub);
  margin:0;
  line-height:1.7;
}

/* ===== Sidebar ===== */
.side-panel{
  display:flex;
  flex-direction:column;
  gap:22px;
}
.side-card{
  background:var(--card-bg);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--border-light);
}
.side-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
}
.side-card-head h3{
  font-size:1.05rem;
  font-weight:700;
  margin:0;
}
.side-more{
  font-size:0.8125rem;
  color:var(--purple);
  font-weight:600;
}
.side-more:hover{color:var(--cyan)}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag-chip{
  font-size:0.8125rem;
  font-weight:600;
  color:var(--text-dark);
  background:var(--light-bg);
  border:1px solid var(--border-light);
  padding:7px 15px;
  border-radius:999px;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
}
.tag-chip:hover{
  background:linear-gradient(120deg,rgba(139,92,246,0.14),rgba(0,230,165,0.16));
  border-color:rgba(139,92,246,0.3);
  transform:translateY(-1px);
  color:var(--purple);
}
.weekly-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.weekly-item{
  display:flex;
  gap:12px;
  align-items:center;
  padding:10px;
  border-radius:12px;
  background:var(--light-bg);
  border:1px solid var(--border-light);
  transition:background .25s,transform .25s,box-shadow .25s;
}
.weekly-item:hover{
  background:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-card);
}
.weekly-item img{
  width:74px;
  height:56px;
  object-fit:cover;
  border-radius:10px;
  flex-shrink:0;
}
.weekly-item p{
  font-size:0.875rem;
  font-weight:600;
  margin:0 0 4px;
  line-height:1.4;
  color:var(--text-dark);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.weekly-item span{
  font-size:0.75rem;
  color:var(--text-sub);
}
.side-stats{
  background:linear-gradient(135deg,#1B1435,#251C48);
  border:none;
  color:#fff;
}
.side-stats .row{
  text-align:center;
}
.stat strong{
  display:block;
  font-size:1.4rem;
  font-weight:800;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.2;
}
.stat span{
  font-size:0.75rem;
  color:var(--text-light-sub);
  display:block;
  margin-top:4px;
}

/* ===== Feature ===== */
.feature-section{
  padding:96px 0;
  background:var(--panel-bg);
  position:relative;
  overflow:hidden;
}
.feature-section::before{
  content:'';
  position:absolute;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,0.16),transparent 65%);
  bottom:-180px;
  left:-120px;
  pointer-events:none;
}
.feature-card{
  background:var(--card-dark);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius-lg);
  padding:34px 28px;
  height:100%;
  transition:transform .25s,background .25s,border-color .25s,box-shadow .25s;
}
.feature-card:hover{
  transform:translateY(-4px);
  background:rgba(255,255,255,0.09);
  border-color:rgba(0,230,165,0.4);
  box-shadow:0 12px 32px rgba(0,0,0,0.25);
}
.feature-icon{
  width:56px;
  height:56px;
  border-radius:16px;
  background:var(--grad-main);
  color:#100B22;
  font-size:1.25rem;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
  box-shadow:0 6px 18px rgba(139,92,246,0.35);
}
.feature-card h3{
  color:#fff;
  font-size:1.2rem;
  font-weight:700;
  margin:0 0 10px;
}
.feature-card p{
  color:var(--text-light-sub);
  font-size:0.9375rem;
  margin:0;
  line-height:1.7;
}

/* ===== FAQ ===== */
.faq-section{
  padding:96px 0;
  background:var(--light-bg);
}
.faq-item{
  background:var(--card-bg);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  box-shadow:0 2px 8px rgba(16,11,34,0.04);
  margin-bottom:12px;
  transition:border-color .25s,box-shadow .25s;
  overflow:hidden;
}
.faq-item:has(.show){
  border-color:rgba(139,92,246,0.4);
  box-shadow:var(--shadow-card);
}
.faq-question{
  width:100%;
  background:none;
  border:none;
  padding:18px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  text-align:left;
  font-size:0.9375rem;
  font-weight:700;
  color:var(--text-dark);
  cursor:pointer;
}
.faq-icon{
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--light-bg);
  border:1px solid var(--border-light);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.75rem;
  color:var(--purple);
  flex-shrink:0;
  transition:transform .3s,background .3s,color .3s;
}
.faq-question:not(.collapsed) .faq-icon{
  transform:rotate(45deg);
  background:var(--grad-main);
  color:#100B22;
  border-color:transparent;
}
.faq-answer p{
  padding:0 20px 18px;
  font-size:0.875rem;
  color:var(--text-sub);
  line-height:1.7;
  margin:0;
}

/* ===== CTA Banner ===== */
.cta-banner{
  position:relative;
  background-size:cover;
  background-position:center;
  padding:96px 0;
  overflow:hidden;
}
.cta-banner::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(16,11,34,0.92),rgba(27,20,53,0.72));
}
.cta-banner::after{
  content:'';
  position:absolute;
  width:360px;
  height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,197,61,0.20),transparent 65%);
  top:-100px;
  right:-40px;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:720px;
  margin:0 auto;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:800;
  line-height:1.3;
  margin:0 0 14px;
}
.cta-inner p{
  color:var(--text-light-sub);
  font-size:1rem;
  margin:0 0 26px;
}
.btn-cta{
  display:inline-flex;
  align-items:center;
  gap:9px;
  background:var(--grad-gold);
  color:#fff;
  font-weight:700;
  font-size:1rem;
  padding:14px 36px;
  border-radius:14px;
  box-shadow:0 8px 26px rgba(255,77,141,0.4);
  animation:pulseGlow 2.4s ease-in-out infinite;
  transition:transform .25s,box-shadow .25s;
}
.btn-cta:hover{
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 12px 32px rgba(255,77,141,0.55);
  color:#fff;
}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 8px 26px rgba(255,77,141,0.35)}
  50%{box-shadow:0 10px 34px rgba(255,77,141,0.6)}
}

/* ===== Footer ===== */
.site-footer{
  background:var(--deep-bg);
  color:var(--text-light);
  padding:72px 0 0;
  position:relative;
}
.site-footer::before{
  content:'';
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:3px;
  background:linear-gradient(90deg,transparent,#8B5CF6,#00E6A5,transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:44px;
  padding-bottom:48px;
}
.footer-brand-col .brand-logo{
  position:static;
  transform:none;
  margin-bottom:16px;
}
.footer-desc{
  font-size:0.9375rem;
  color:var(--text-light-sub);
  line-height:1.7;
  margin:0 0 18px;
  max-width:340px;
}
.footer-col-title{
  font-size:1rem;
  font-weight:700;
  color:#fff;
  margin:0 0 18px;
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a{
  color:var(--text-light-sub);
  font-size:0.9375rem;
  transition:color .25s,padding-left .25s;
}
.footer-links a:hover{
  color:var(--cyan);
  padding-left:4px;
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-contact p{
  margin:0;
  font-size:0.9375rem;
  color:var(--text-light-sub);
  display:flex;
  align-items:center;
  gap:8px;
}
.footer-contact i{
  color:var(--cyan);
  width:18px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
}
.footer-bottom p{
  margin:0;
  font-size:0.8125rem;
  color:rgba(167,163,194,0.75);
}
.footer-bottom-links{
  display:flex;
  gap:18px;
}
.footer-bottom-links a{
  font-size:0.8125rem;
  color:var(--text-light-sub);
}
.footer-bottom-links a:hover{color:var(--cyan)}

/* ===== Responsive ===== */
@media (max-width:991px){
  .nav-toggle{
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:1060;
  }
  .nav-left,.nav-right{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    z-index:1055;
    background:rgba(16,11,34,0.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:18px 24px 22px;
    transform:translateY(-130%);
    transition:transform .35s ease;
    border-bottom:1px solid rgba(255,255,255,0.1);
    box-shadow:0 18px 30px rgba(0,0,0,0.3);
  }
  .header-inner.nav-open .nav-left,
  .header-inner.nav-open .nav-right{
    transform:translateY(0);
  }
  .nav-link-item{
    padding:12px 18px;
    font-size:0.9375rem;
  }
  .nav-link-item.active{
    background:linear-gradient(120deg,rgba(139,92,246,0.9),rgba(0,230,165,0.8));
    color:#100B22;
  }
  .nav-cta{
    margin-top:6px;
    justify-content:center;
  }
  .billboard{
    padding:72px 0 64px;
  }
  .timeline-section,.feature-section,.faq-section,.cta-banner{
    padding:64px 0;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
}
@media (max-width:767px){
  .brand-logo{
    font-size:1.05rem;
  }
  .brand-badge{
    display:none;
  }
  .billboard-actions{
    flex-direction:column;
    align-items:flex-start;
  }
  .timeline-wrap{
    padding-left:24px;
  }
  .timeline-wrap::before{
    left:6px;
  }
  .timeline-item::before{
    left:-27px;
    width:12px;
    height:12px;
  }
  .timeline-card{
    padding:20px;
    min-height:0;
  }
  .feature-card{
    padding:26px 22px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
}
@media (max-width:520px){
  .header-inner{
    padding:0 14px;
  }
  .brand-logo{
    position:static;
    transform:none;
    margin-right:auto;
    margin-left:auto;
  }
  .nav-toggle{
    order:2;
  }
  .nav-left{
    position:fixed;
  }
  .billboard h1{
    font-size:2rem;
  }
  .billboard-desc{
    font-size:0.9375rem;
  }
  .btn-main,.btn-outline-light,.btn-cta{
    width:100%;
    justify-content:center;
  }
  .side-card{
    padding:20px;
  }
  .weekly-item img{
    width:64px;
    height:52px;
  }
  .section-head{
    margin-bottom:32px;
  }
}