/* roulang page: index */
:root{
  --primary:#0D5B68;
  --primary-dark:#0A4852;
  --primary-light:#176F7D;
  --grad-start:#0D5B68;
  --grad-end:#2BA59A;
  --accent:#FF6B4A;
  --accent-dark:#E55435;
  --accent-light:#FF8A6F;
  --success:#2FA874;
  --warning:#E8A23D;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --heading:#123B3D;
  --body:#40595A;
  --muted:#7B8F90;
  --border:#E3E8E4;
  --r-lg:22px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-sm:0 4px 16px rgba(10,70,72,.08);
  --shadow-lg:0 12px 32px rgba(10,70,72,.14);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
  background:var(--bg);
  color:var(--body);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input{font-family:inherit}
::selection{background:rgba(43,165,154,.25)}

.grid-container{padding:0 32px;max-width:1180px;margin:0 auto}
.section{padding:88px 0}
.section-head{max-width:640px;margin-bottom:48px}
.section-tag{
  display:inline-block;
  background:rgba(43,165,154,.12);
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:14px;
  text-transform:uppercase;
}
.section-title{
  font-size:36px;
  font-weight:800;
  color:var(--heading);
  line-height:1.25;
  letter-spacing:.02em;
  margin-bottom:12px;
}
.section-desc{
  font-size:17px;
  color:var(--muted);
  line-height:1.7;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:16px;
  font-weight:700;
  padding:14px 32px;
  border-radius:12px;
  transition:var(--transition);
  border:2px solid transparent;
  letter-spacing:.02em;
  line-height:1.4;
  cursor:pointer;
}
.btn i{font-size:15px}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,107,74,.3);
}
.btn-primary:hover{
  background:var(--accent-dark);
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(255,107,74,.4);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 4px 10px rgba(255,107,74,.25);
}
.btn-secondary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 4px 12px rgba(13,91,104,.25);
}
.btn-secondary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.7);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.15);
  border-color:#fff;
}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-outline:hover{
  background:var(--primary);
  color:#fff;
}
.text-link{
  color:var(--primary);
  font-weight:700;
  font-size:15px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:var(--transition);
}
.text-link:hover{gap:10px;color:var(--accent)}
.text-link i{font-size:14px;transition:var(--transition)}

/* ===== 左侧导航 ===== */
.side-nav{
  position:fixed;
  top:0;
  left:0;
  width:260px;
  height:100vh;
  background:var(--primary);
  color:#fff;
  display:flex;
  flex-direction:column;
  z-index:1000;
  overflow-y:auto;
}
.side-brand{
  padding:36px 24px 28px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:12px;
}
.logo-icon{
  width:48px;
  height:48px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--grad-end),var(--primary-light));
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  font-weight:800;
  color:#fff;
  box-shadow:0 4px 12px rgba(0,0,0,.2);
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column}
.logo-name{
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  color:#fff;
  line-height:1.3;
}
.logo-sub{
  font-size:12px;
  color:rgba(255,255,255,.65);
  margin-top:2px;
  letter-spacing:.06em;
}
.side-menu{
  flex:1;
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.menu-label{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:rgba(255,255,255,.5);
  margin:18px 0 8px;
  font-weight:700;
}
.menu-label:first-child{margin-top:0}
.nav-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:13px 16px;
  border-radius:12px;
  color:rgba(255,255,255,.85);
  font-size:15px;
  font-weight:600;
  transition:var(--transition);
  position:relative;
  border-left:4px solid transparent;
}
.nav-item i{
  width:20px;
  text-align:center;
  font-size:16px;
  opacity:.8;
}
.nav-item:hover{
  background:rgba(255,255,255,.1);
  color:#fff;
  border-left-color:var(--accent);
}
.nav-item.active{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-left-color:var(--accent);
}
.nav-item.active i{opacity:1}
.side-stats{
  padding:20px 24px 28px;
  display:flex;
  flex-direction:column;
  gap:12px;
  border-top:1px solid rgba(255,255,255,.1);
}
.side-stat{
  background:rgba(255,255,255,.1);
  border-radius:14px;
  padding:14px 18px;
  display:flex;
  flex-direction:column;
}
.side-stat .num{
  font-size:26px;
  font-weight:800;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.side-stat .label{
  font-size:12px;
  color:rgba(255,255,255,.7);
  margin-top:4px;
}

/* ===== 移动端顶部导航 ===== */
.mobile-header{
  display:none;
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:64px;
  background:var(--primary);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  z-index:1100;
  box-shadow:0 4px 16px rgba(10,70,72,.15);
}
.mobile-brand{
  font-size:17px;
  font-weight:800;
  color:#fff;
  letter-spacing:.02em;
  display:flex;
  align-items:center;
  gap:10px;
}
.mobile-brand .logo-icon{width:36px;height:36px;font-size:16px;border-radius:10px}
.menu-toggle{
  width:42px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:20px;
  background:rgba(255,255,255,.1);
  border-radius:10px;
}
.menu-toggle:hover{background:rgba(255,255,255,.2)}
.mobile-drawer{
  display:none;
  position:fixed;
  top:64px;
  left:0;
  right:0;
  background:var(--primary);
  color:#fff;
  padding:16px 20px 28px;
  z-index:1090;
  box-shadow:0 12px 32px rgba(0,0,0,.2);
  border-bottom:4px solid var(--accent);
  transform:translateY(-120%);
  transition:transform .35s ease;
}
.mobile-drawer.open{transform:translateY(0)}
.mobile-drawer .nav-item{
  padding:14px 12px;
  border-radius:10px;
}
.mobile-drawer .nav-item:hover{
  background:rgba(255,255,255,.1);
  border-left-color:var(--accent);
}
.drawer-label{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:rgba(255,255,255,.5);
  margin:16px 0 6px;
  font-weight:700;
  padding:0 4px;
}

/* ===== 主内容区 ===== */
.main-wrapper{
  margin-left:260px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.main-content{flex:1}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:120px 48px 100px;
  min-height:620px;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
  background-image:url('/assets/images/backpic/back-1.webp');
  color:#fff;
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(13,91,104,.92) 0%,rgba(13,91,104,.75) 40%,rgba(43,165,154,.6) 100%);
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:640px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.25);
  border-radius:999px;
  padding:8px 18px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.05em;
  margin-bottom:28px;
  backdrop-filter:none;
}
.hero-badge i{color:var(--accent)}
.hero-title{
  font-size:48px;
  font-weight:800;
  color:#fff;
  line-height:1.22;
  letter-spacing:.02em;
  margin-bottom:24px;
}
.hero-subtitle{
  font-size:20px;
  color:rgba(255,255,255,.9);
  line-height:1.7;
  margin-bottom:36px;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:56px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  max-width:620px;
}
.hero-stat{
  background:rgba(255,255,255,.14);
  border-radius:18px;
  padding:18px 20px;
  display:flex;
  flex-direction:column;
  border:1px solid rgba(255,255,255,.2);
}
.hero-stat .num{
  font-size:36px;
  font-weight:800;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.hero-stat .label{
  font-size:13px;
  color:rgba(255,255,255,.8);
  margin-top:6px;
}

/* ===== 玩法介绍 ===== */
.gameplay-section{
  background:var(--bg);
  padding:96px 48px;
}
.gameplay-list{
  display:flex;
  flex-direction:column;
  gap:56px;
  max-width:1000px;
}
.gameplay-card{
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  display:grid;
  grid-template-columns:1fr 1fr;
  overflow:hidden;
  transition:var(--transition);
}
.gameplay-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
  border-color:rgba(13,91,104,.5);
}
.gameplay-card.flip .gameplay-media{order:2}
.gameplay-media{
  position:relative;
  min-height:320px;
  overflow:hidden;
}
.gameplay-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.gameplay-card:hover .gameplay-media img{transform:scale(1.04)}
.gameplay-body{
  padding:40px 36px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.gameplay-num{
  font-size:14px;
  font-weight:800;
  color:var(--accent);
  letter-spacing:.1em;
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.gameplay-title{
  font-size:24px;
  font-weight:800;
  color:var(--heading);
  margin-bottom:12px;
  line-height:1.35;
}
.gameplay-desc{
  color:var(--body);
  font-size:16px;
  line-height:1.8;
  margin-bottom:20px;
}
.gameplay-rules{
  list-style:none;
  padding:0;
  margin:0 0 24px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.gameplay-rules li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--body);
  line-height:1.6;
}
.gameplay-rules li::before{
  content:'';
  position:absolute;
  left:0;
  top:10px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--grad-end);
}
.gameplay-card.flip .gameplay-media{order:2}
.gameplay-card.flip .gameplay-body{order:1}

/* ===== 奖励预览 ===== */
.rewards-section{
  background:#fff;
  padding:96px 48px;
}
.rewards-stage{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  max-width:1120px;
  margin:0 auto;
  padding-top:40px;
}
.reward-card{
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  padding:36px 28px;
  text-align:center;
  transition:var(--transition);
  position:relative;
}
.reward-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-6px);
}
.reward-side{
  flex:0 0 300px;
  padding:32px 24px;
  margin-bottom:40px;
}
.reward-main{
  flex:0 0 420px;
  padding:48px 36px;
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    linear-gradient(135deg,var(--accent),var(--warning)) border-box;
  box-shadow:var(--shadow-lg);
  transform:translateY(-12px);
}
.reward-main:hover{
  transform:translateY(-18px);
  box-shadow:0 20px 44px rgba(255,107,74,.22);
}
.reward-hot{
  position:absolute;
  top:-14px;
  left:50%;
  transform:translateX(-50%);
  background:var(--accent);
  color:#fff;
  font-size:13px;
  font-weight:800;
  padding:6px 20px;
  border-radius:999px;
  letter-spacing:.06em;
  box-shadow:0 4px 12px rgba(255,107,74,.35);
  white-space:nowrap;
}
.reward-number{
  font-size:44px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  margin-bottom:8px;
}
.reward-main .reward-number{
  font-size:54px;
  color:var(--accent);
}
.reward-card h3{
  font-size:20px;
  font-weight:800;
  color:var(--heading);
  margin-bottom:10px;
}
.reward-card p{
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
  margin-bottom:20px;
}
.reward-card .btn{
  width:100%;
}
.reward-lock{
  display:inline-block;
  background:rgba(232,162,61,.15);
  color:var(--warning);
  font-size:14px;
  font-weight:700;
  padding:8px 18px;
  border-radius:999px;
}

/* ===== 任务进度 ===== */
.tasks-section{
  background:var(--bg);
  padding:96px 48px;
}
.tasks-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  max-width:1000px;
  margin:0 auto;
}
.task-card{
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  padding:32px 28px;
  transition:var(--transition);
}
.task-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.task-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:24px;
}
.task-head h3{
  font-size:18px;
  font-weight:800;
  color:var(--heading);
  line-height:1.4;
}
.task-status{
  font-size:13px;
  font-weight:700;
  padding:5px 14px;
  border-radius:999px;
  white-space:nowrap;
}
.task-status.done{
  background:rgba(47,168,116,.12);
  color:var(--success);
}
.task-status.doing{
  background:rgba(255,107,74,.12);
  color:var(--accent);
}
.task-status.todo{
  background:rgba(232,162,61,.12);
  color:var(--warning);
}
.progress-wrap{
  background:#EFF1EC;
  border-radius:999px;
  height:10px;
  overflow:hidden;
  margin-bottom:16px;
}
.progress-fill{
  height:100%;
  border-radius:999px;
  width:0;
  transition:width 1.2s ease;
  background:linear-gradient(90deg,var(--grad-start),var(--grad-end));
}
.progress-fill.doing{
  background:linear-gradient(90deg,var(--accent),var(--accent-light));
}
.progress-fill.todo{
  background:linear-gradient(90deg,var(--warning),#F0BC69);
}
.task-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:14px;
  color:var(--muted);
}
.task-percent{
  font-weight:800;
  font-size:20px;
  color:var(--heading);
  font-variant-numeric:tabular-nums;
}
.task-percent.done{
  color:var(--success);
}
.task-percent.doing{
  color:var(--accent);
}
.task-reward{
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(13,91,104,.08);
  color:var(--primary);
  padding:5px 12px;
  border-radius:999px;
  font-weight:700;
}
.task-reward i{font-size:12px}
.task-card .btn{
  margin-top:20px;
  width:100%;
}

/* ===== 最新资讯 ===== */
.news-section{
  background:#fff;
  padding:96px 48px;
}
.news-list{
  max-width:900px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.news-card{
  display:flex;
  background:var(--card);
  border-radius:18px;
  border:1px solid var(--border);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.news-card:hover{
  box-shadow:var(--shadow-lg);
  border-color:rgba(13,91,104,.4);
  transform:translateY(-3px);
}
.news-thumb{
  flex:0 0 180px;
  min-height:150px;
  overflow:hidden;
  background:#EFF1EC;
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{
  flex:1;
  padding:24px 28px;
  display:flex;
  flex-direction:column;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:10px;
  flex-wrap:wrap;
}
.news-tag{
  background:rgba(13,91,104,.1);
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  padding:4px 14px;
  border-radius:999px;
}
.news-date{
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.news-title{
  font-size:19px;
  font-weight:800;
  color:var(--heading);
  line-height:1.45;
  margin-bottom:8px;
  transition:var(--transition);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-title{color:var(--primary)}
.news-excerpt{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-link{
  color:var(--primary);
  font-weight:700;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:auto;
  transition:var(--transition);
}
.news-card:hover .news-link{gap:10px;color:var(--accent)}
.empty-state{
  text-align:center;
  padding:80px 20px;
  color:var(--muted);
}
.empty-icon{
  font-size:56px;
  color:var(--border);
  margin-bottom:16px;
}
.empty-state p{
  font-size:16px;
  color:var(--muted);
}

/* ===== FAQ ===== */
.faq-section{
  background:var(--bg);
  padding:96px 48px;
}
.faq-wrap{
  max-width:800px;
  margin:0 auto;
}
.accordion.faq-accordion{
  background:transparent;
  border:none;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.faq-accordion .accordion-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-accordion .accordion-item:hover{
  border-color:rgba(13,91,104,.35);
}
.faq-accordion .accordion-item.is-active{
  border-color:var(--primary);
  box-shadow:var(--shadow-sm);
  border-left:4px solid var(--primary);
}
.faq-accordion .accordion-title{
  display:flex;
  align-items:center;
  gap:12px;
  padding:22px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--heading);
  background:transparent;
  border:none;
  line-height:1.5;
  position:relative;
}
.faq-accordion .accordion-title::after{
  content:'\f078';
  font-family:'Font Awesome 6 Free';
  font-weight:900;
  margin-left:auto;
  font-size:14px;
  color:var(--muted);
  transition:var(--transition);
  flex-shrink:0;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  transform:rotate(180deg);
  color:var(--primary);
}
.faq-accordion .accordion-title:hover{
  background:rgba(43,165,154,.04);
}
.faq-accordion .accordion-content{
  border-top:1px solid var(--border);
  padding:18px 24px;
  background:#FBFBF8;
  color:var(--body);
  font-size:15px;
  line-height:1.8;
}

/* ===== CTA ===== */
.cta-section{
  padding:80px 48px;
}
.cta-card{
  background:linear-gradient(135deg,var(--grad-start),var(--grad-end));
  border-radius:var(--r-lg);
  padding:64px 48px;
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:0 20px 48px rgba(13,91,104,.3);
}
.cta-card::before{
  content:'';
  position:absolute;
  top:-60px;
  right:-60px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta-card h2{
  font-size:34px;
  font-weight:800;
  margin-bottom:14px;
  letter-spacing:.02em;
  position:relative;
  z-index:1;
}
.cta-card p{
  font-size:17px;
  color:rgba(255,255,255,.9);
  margin-bottom:32px;
  position:relative;
  z-index:1;
}
.cta-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}

/* ===== 订阅区 ===== */
.subscribe-section{
  padding:0 48px 80px;
}
.subscribe-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-sm);
}
.subscribe-info h3{
  font-size:22px;
  font-weight:800;
  color:var(--heading);
  margin-bottom:8px;
}
.subscribe-info p{
  font-size:15px;
  color:var(--muted);
  max-width:400px;
  line-height:1.7;
}
.subscribe-form{
  display:flex;
  gap:12px;
  flex:1;
  min-width:320px;
  max-width:480px;
}
.subscribe-form input{
  flex:1;
  border:2px solid var(--border);
  border-radius:12px;
  padding:14px 18px;
  font-size:15px;
  background:#FAFBFA;
  transition:var(--transition);
  color:var(--heading);
}
.subscribe-form input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,107,74,.15);
  background:#fff;
}
.subscribe-form input::placeholder{color:var(--muted)}
.form-msg{
  margin-top:10px;
  font-size:14px;
  border-radius:10px;
  padding:10px 16px;
  display:none;
}
.form-msg.show{display:block}
.form-msg.success{background:rgba(47,168,116,.12);color:var(--success)}
.form-msg.error{background:rgba(255,107,74,.12);color:var(--accent)}

/* ===== 页脚 ===== */
.site-footer{
  background:#0F3E42;
  color:#B8C9CA;
  padding:56px 48px 0;
}
.footer-top{
  max-width:1100px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:48px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-logo{
  margin-bottom:16px;
}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.55)}
.footer-brand p{
  font-size:14px;
  line-height:1.7;
  margin-top:14px;
  max-width:340px;
}
.footer-links{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.footer-group h4{
  font-size:15px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-group a{
  display:block;
  padding:6px 0;
  font-size:14px;
  color:rgba(255,255,255,.65);
  transition:var(--transition);
}
.footer-group a:hover{
  color:var(--accent);
  padding-left:6px;
}
.footer-bottom{
  max-width:1100px;
  margin:0 auto;
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}
.footer-bottom p{
  font-size:13px;
  color:rgba(255,255,255,.45);
}
.footer-bottom a{
  color:rgba(255,255,255,.6);
}
.footer-bottom a:hover{color:var(--accent)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .side-nav{width:220px}
  .main-wrapper{margin-left:220px}
  .hero{padding:100px 36px 80px}
  .hero-title{font-size:40px}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .gameplay-section,.rewards-section,.tasks-section,.news-section,.faq-section{padding:76px 36px}
  .cta-section,.subscribe-section{padding:64px 36px}
  .rewards-stage{gap:18px}
  .reward-side{flex-basis:260px}
  .reward-main{flex-basis:360px}
}
@media (max-width:768px){
  .side-nav{display:none}
  .mobile-header{display:flex}
  .mobile-drawer{display:block}
  .main-wrapper{
    margin-left:0;
    padding-top:64px;
  }
  .hero{
    padding:72px 20px 64px;
    min-height:auto;
  }
  .hero-title{font-size:34px}
  .hero-subtitle{font-size:17px}
  .hero-stats{
    grid-template-columns:repeat(3,1fr);
    gap:10px;
  }
  .hero-stat{
    padding:14px 12px;
    border-radius:14px;
  }
  .hero-stat .num{font-size:26px}
  .hero-stat .label{font-size:12px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1;justify-content:center}
  .gameplay-section,.rewards-section,.tasks-section,.news-section,.faq-section{
    padding:64px 20px;
  }
  .gameplay-card{
    grid-template-columns:1fr;
  }
  .gameplay-media{
    min-height:220px;
  }
  .gameplay-card.flip .gameplay-media,.gameplay-card.flip .gameplay-body{
    order:0;
  }
  .gameplay-body{
    padding:28px 24px;
  }
  .section-title{font-size:28px}
  .section-desc{font-size:15px}
  .rewards-stage{
    flex-direction:column;
    align-items:center;
    padding-top:20px;
  }
  .reward-side{
    flex:0 0 auto;
    width:100%;
    max-width:420px;
    margin-bottom:12px;
  }
  .reward-main{
    flex:0 0 auto;
    width:100%;
    max-width:420px;
    transform:none;
    order:-1;
    margin-bottom:20px;
  }
  .reward-main:hover{transform:translateY(-6px)}
  .tasks-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .news-card{
    flex-direction:column;
  }
  .news-thumb{
    flex:0 0 auto;
    height:180px;
    width:100%;
  }
  .news-body{
    padding:20px;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:32px;
    padding-bottom:32px;
  }
  .footer-links{
    grid-template-columns:1fr 1fr;
  }
  .cta-section,.subscribe-section{
    padding:48px 20px;
  }
  .cta-card{
    padding:44px 24px;
  }
  .cta-card h2{font-size:26px}
  .subscribe-card{
    padding:28px 20px;
  }
  .subscribe-form{
    flex-direction:column;
    min-width:0;
    width:100%;
  }
  .subscribe-form .btn{width:100%}
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
  .site-footer{
    padding:48px 20px 0;
  }
}
@media (max-width:520px){
  .hero-title{font-size:28px}
  .hero-subtitle{font-size:15px}
  .hero-stats{
    grid-template-columns:1fr 1fr 1fr;
  }
  .hero-stat{
    padding:10px 8px;
  }
  .hero-stat .num{font-size:20px}
  .hero-stat .label{font-size:11px;line-height:1.4}
  .section-title{font-size:24px}
  .gameplay-title{font-size:20px}
  .reward-number,.reward-main .reward-number{font-size:36px}
  .cta-actions .btn{width:100%}
  .footer-links{grid-template-columns:1fr}
  .section{padding:56px 16px}
  .section-head{margin-bottom:32px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
      --primary:#0D5B68;
      --primary-dark:#0A4550;
      --primary-light:#2BA59A;
      --accent:#FF6B4A;
      --accent-light:#FF8A6E;
      --bg:#F6F5F0;
      --card:#FFFFFF;
      --text:#123B3D;
      --text-body:#40595A;
      --text-muted:#7B8F90;
      --border:#E3E8E4;
      --success:#2FA874;
      --warning:#E8A23D;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:12px;
      --shadow:0 4px 16px rgba(10,70,72,.08);
      --shadow-hover:0 12px 32px rgba(10,70,72,.14);
      --gradient:linear-gradient(135deg,#0D5B68 0%,#2BA59A 100%);
      --sidebar-w:260px;
      --space:90px;
    }
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
    html{scroll-behavior:smooth;}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
      background:var(--bg);
      color:var(--text-body);
      font-size:16px;
      line-height:1.8;
      font-variant-numeric:tabular-nums;
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block;}
    a{color:inherit;text-decoration:none;transition:all .25s ease;}
    ul,ol{list-style:none;}
    button,input{font-family:inherit;font-size:inherit;}
    .container{max-width:1180px;padding:0 40px;margin:0 auto;}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:14px 28px;border-radius:12px;font-size:16px;font-weight:600;
      border:none;cursor:pointer;transition:all .25s ease;line-height:1.4;
      text-align:center;white-space:nowrap;
    }
    .btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,74,.3);}
    .btn-primary:hover{background:#F45A36;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,74,.35);}
    .btn-secondary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(13,91,104,.22);}
    .btn-secondary:hover{background:var(--primary-dark);transform:translateY(-2px);}
    .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.55);backdrop-filter:none;}
    .btn-ghost:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px);}
    .btn-light{background:#fff;color:var(--primary);border:1px solid var(--border);}
    .btn-light:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
    .section{padding:var(--space) 0;}
    .section-head{margin-bottom:56px;max-width:680px;}
    .section-overline{
      display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;
      color:var(--accent);text-transform:uppercase;margin-bottom:12px;
      background:rgba(255,107,74,.1);padding:5px 14px;border-radius:999px;
    }
    .section-head h2{
      font-size:36px;font-weight:700;color:var(--text);line-height:1.3;
      letter-spacing:.02em;margin-bottom:14px;
    }
    .section-head p{font-size:16px;color:var(--text-muted);line-height:1.9;}

    /* 左侧导航 */
    .side-nav{
      position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
      background:var(--primary);z-index:1000;
      display:flex;flex-direction:column;padding:32px 20px 28px;
      overflow-y:auto;
    }
    .brand-logo{
      display:flex;align-items:center;gap:12px;padding:0 8px 26px;
      border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:22px;
    }
    .logo-icon{
      width:46px;height:46px;border-radius:14px;background:var(--gradient);
      color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;
      flex-shrink:0;box-shadow:0 4px 14px rgba(43,165,154,.35);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.3;}
    .logo-name{color:#fff;font-size:16px;font-weight:700;letter-spacing:.02em;}
    .logo-sub{color:rgba(255,255,255,.55);font-size:12px;margin-top:3px;}
    .side-menu{flex:1;}
    .menu-label{
      font-size:11px;font-weight:600;letter-spacing:.14em;color:rgba(255,255,255,.4);
      text-transform:uppercase;padding:16px 10px 8px;
    }
    .nav-item{
      display:flex;align-items:center;gap:12px;padding:11px 14px;
      color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
      border-radius:12px;border-left:4px solid transparent;
      transition:all .25s ease;margin-bottom:4px;
    }
    .nav-item i{width:20px;text-align:center;font-size:15px;}
    .nav-item:hover{background:rgba(255,255,255,.08);color:#fff;border-left-color:var(--accent);}
    .nav-item.active{
      background:rgba(255,255,255,.12);color:#fff;border-left-color:var(--accent);
      font-weight:600;
    }
    .side-stats{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:12px;}
    .stat-card{
      background:rgba(255,255,255,.1);border-radius:14px;padding:16px 12px;
      display:flex;flex-direction:column;align-items:center;text-align:center;
      transition:all .25s ease;
    }
    .stat-card:hover{background:rgba(255,255,255,.16);}
    .stat-num{color:#fff;font-size:22px;font-weight:800;line-height:1.2;}
    .stat-label{color:rgba(255,255,255,.55);font-size:11px;margin-top:4px;}

    /* 移动端顶栏 */
    .mobile-topbar{
      display:none;position:fixed;top:0;left:0;right:0;height:60px;
      background:var(--primary);z-index:1100;
      align-items:center;justify-content:space-between;padding:0 18px;
      box-shadow:0 4px 16px rgba(10,70,72,.2);
    }
    .mobile-brand{color:#fff;font-size:16px;font-weight:700;}
    .mobile-menu-btn{
      background:rgba(255,255,255,.12);border:none;color:#fff;
      width:40px;height:40px;border-radius:10px;cursor:pointer;
      display:flex;align-items:center;justify-content:center;font-size:18px;
      transition:all .25s ease;
    }
    .mobile-menu-btn:hover{background:rgba(255,255,255,.2);}
    .mobile-drawer{
      position:fixed;top:0;left:0;bottom:0;width:280px;background:var(--primary);z-index:1200;
      padding:24px 18px;transform:translateX(-110%);transition:transform .3s ease;overflow-y:auto;
    }
    .mobile-drawer.open{transform:translateX(0);}
    .drawer-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
    .drawer-close{
      background:rgba(255,255,255,.12);border:none;color:#fff;width:38px;height:38px;
      border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;
    }
    .drawer-close:hover{background:rgba(255,255,255,.2);}
    .drawer-overlay{
      position:fixed;inset:0;background:rgba(10,50,54,.55);z-index:1150;
      opacity:0;visibility:hidden;transition:all .3s ease;
    }
    .drawer-overlay.open{opacity:1;visibility:visible;}

    /* 内容区 */
    .main-content{margin-left:var(--sidebar-w);min-height:100vh;}

    /* 分类页 Hero */
    .category-hero{
      position:relative;padding:110px 0 80px;
      background:linear-gradient(135deg,rgba(13,91,104,.88),rgba(43,165,154,.72)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#fff;overflow:hidden;
    }
    .hero-inner{display:flex;flex-direction:column;gap:48px;}
    .hero-tag{
      display:inline-block;background:rgba(255,255,255,.16);color:#fff;
      padding:6px 18px;border-radius:999px;font-size:13px;font-weight:600;
      letter-spacing:.08em;margin-bottom:18px;border:1px solid rgba(255,255,255,.25);
    }
    .hero-copy h1{
      font-size:48px;font-weight:800;color:#fff;line-height:1.25;
      letter-spacing:.02em;margin-bottom:18px;
    }
    .hero-desc{
      font-size:18px;color:rgba(255,255,255,.9);max-width:620px;
      line-height:1.8;margin-bottom:32px;
    }
    .hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
    .hero-stats{
      display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:780px;
    }
    .hero-stat-card{
      background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);
      border-radius:20px;padding:22px 20px;text-align:center;
      transition:all .25s ease;
    }
    .hero-stat-card:hover{background:rgba(255,255,255,.2);transform:translateY(-4px);}
    .stat-number{display:block;font-size:32px;font-weight:800;color:#fff;line-height:1.2;}
    .stat-text{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-top:6px;}

    /* 玩法解析 */
    .methods-section{background:var(--bg);}
    .method-row{
      display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
      padding:56px 0;border-bottom:1px solid var(--border);
    }
    .method-row:last-child{border-bottom:none;}
    .method-image{
      border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
      position:relative;height:360px;background:var(--primary);
    }
    .method-image img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
    .method-row:hover .method-image img{transform:scale(1.03);}
    .method-row.right .method-content{order:-1;padding-right:10px;}
    .method-content{position:relative;padding-left:10px;}
    .method-num{
      display:inline-block;width:56px;height:56px;border-radius:50%;
      background:var(--gradient);color:#fff;font-size:20px;font-weight:800;
      display:flex;align-items:center;justify-content:center;
      margin-bottom:20px;box-shadow:0 6px 18px rgba(13,91,104,.28);
    }
    .method-content h3{font-size:24px;font-weight:700;color:var(--text);margin-bottom:12px;}
    .method-content p{color:var(--text-body);margin-bottom:16px;line-height:1.85;}
    .method-content ul li{
      position:relative;padding-left:20px;margin-bottom:8px;color:var(--text-body);font-size:15px;
    }
    .method-content ul li::before{
      content:'';position:absolute;left:0;top:10px;width:7px;height:7px;
      border-radius:50%;background:var(--accent);
    }
    .link-more{
      display:inline-flex;align-items:center;gap:8px;color:var(--primary);
      font-weight:600;font-size:15px;margin-top:18px;
    }
    .link-more i{transition:transform .25s ease;}
    .link-more:hover{color:var(--accent);}
    .link-more:hover i{transform:translateX(5px);}

    /* 规则说明 */
    .rules-section{background:var(--card);padding:var(--space) 0;}
    .rules-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;}
    .rules-intro h2{font-size:34px;font-weight:700;color:var(--text);line-height:1.35;margin-bottom:16px;}
    .rules-intro p{color:var(--text-muted);line-height:1.85;margin-bottom:24px;}
    .rules-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
    .rule-card{
      background:var(--bg);border:1px solid var(--border);border-radius:20px;
      padding:28px;transition:all .25s ease;
    }
    .rule-card:hover{
      box-shadow:var(--shadow-hover);transform:translateY(-4px);
      border-color:rgba(13,91,104,.4);
    }
    .rule-icon{
      width:46px;height:46px;border-radius:14px;background:rgba(255,107,74,.12);
      color:var(--accent);display:flex;align-items:center;justify-content:center;
      font-size:18px;margin-bottom:16px;
    }
    .rule-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:8px;}
    .rule-card p{font-size:14px;color:var(--text-muted);line-height:1.75;}

    /* 策略区 */
    .strategy-section{background:var(--bg);padding:var(--space) 0;}
    .strategy-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
    .strategy-copy h2{font-size:34px;font-weight:700;color:var(--text);line-height:1.35;margin-bottom:14px;}
    .strategy-copy > p{color:var(--text-muted);margin-bottom:28px;}
    .strategy-steps{counter-reset:step;}
    .strategy-steps li{
      position:relative;padding:20px 20px 20px 64px;background:var(--card);
      border-radius:16px;margin-bottom:14px;border:1px solid var(--border);
      transition:all .25s ease;
    }
    .strategy-steps li:hover{box-shadow:var(--shadow-hover);transform:translateX(4px);}
    .strategy-steps li::before{
      counter-increment:step;content:'0' counter(step);
      position:absolute;left:16px;top:20px;width:34px;height:34px;border-radius:10px;
      background:var(--gradient);color:#fff;font-size:13px;font-weight:800;
      display:flex;align-items:center;justify-content:center;
    }
    .strategy-steps li strong{display:block;font-size:16px;color:var(--text);margin-bottom:4px;}
    .strategy-steps li span{font-size:14px;color:var(--text-muted);line-height:1.7;}
    .strategy-visual{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);height:420px;}
    .strategy-visual img{width:100%;height:100%;object-fit:cover;}

    /* 奖励概览 */
    .reward-overview{background:var(--card);padding:var(--space) 0;}
    .reward-overview .section-head{margin-bottom:44px;}
    .reward-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
    .reward-card{
      background:var(--bg);border:1px solid var(--border);border-radius:20px;
      padding:32px 28px;text-align:center;position:relative;transition:all .25s ease;overflow:hidden;
    }
    .reward-card.featured{
      background:var(--gradient);border-color:transparent;color:#fff;
      transform:scale(1.03);box-shadow:0 14px 36px rgba(13,91,104,.28);
    }
    .reward-card.featured:hover{transform:scale(1.05);}
    .reward-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
    .reward-tag{
      position:absolute;top:16px;right:16px;background:var(--accent);color:#fff;
      font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px;
    }
    .reward-value{
      font-size:42px;font-weight:800;color:var(--accent);line-height:1.2;
      display:block;margin-bottom:8px;font-variant-numeric:tabular-nums;
    }
    .reward-card.featured .reward-value{color:#fff;}
    .reward-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text);}
    .reward-card.featured h3{color:#fff;}
    .reward-card p{font-size:14px;color:var(--text-muted);line-height:1.7;}
    .reward-card.featured p{color:rgba(255,255,255,.85);}
    .reward-note{
      margin-top:36px;text-align:center;font-size:14px;color:var(--text-muted);
      background:var(--bg);border:1px dashed var(--border);border-radius:14px;
      padding:16px 24px;display:inline-block;width:100%;
    }

    /* FAQ */
    .faq-section{background:var(--bg);padding:var(--space) 0;}
    .faq-wrap{max-width:860px;margin:0 auto;}
    .faq-section .section-head{text-align:center;margin-left:auto;margin-right:auto;}
    .accordion{border:none;background:transparent;margin-top:44px;}
    .accordion-item{
      background:var(--card);border:1px solid var(--border);border-radius:16px;
      margin-bottom:14px;overflow:hidden;transition:all .25s ease;
    }
    .accordion-item:hover{border-color:rgba(13,91,104,.4);}
    .accordion-item.is-active{border-color:var(--primary);box-shadow:var(--shadow);}
    .accordion-title{
      background:var(--card) !important;color:var(--text) !important;
      padding:22px 28px 22px 44px !important;font-size:17px;font-weight:600;
      border:none !important;position:relative;min-height:auto !important;
      display:flex;align-items:center;
    }
    .accordion-title::before{
      content:'\f059';font-family:'Font Awesome 6 Free';font-weight:900;
      position:absolute;left:18px;top:24px;color:var(--accent);font-size:16px;
    }
    .accordion-title::after{
      content:'\f078' !important;font-family:'Font Awesome 6 Free' !important;
      font-weight:900;right:22px !important;left:auto !important;top:50% !important;
      transform:translateY(-50%);position:absolute;color:var(--primary);
      font-size:14px !important;transition:transform .25s ease;
    }
    .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(180deg);}
    .accordion-content{
      background:var(--card) !important;padding:0 28px 24px 44px !important;
      color:var(--text-muted);font-size:15px;line-height:1.85;
      border-top:1px solid var(--border);
    }

    /* CTA */
    .cta-section{padding:var(--space) 0;background:var(--bg);}
    .cta-card{
      background:var(--gradient);border-radius:var(--radius-lg);
      padding:70px 48px;text-align:center;color:#fff;position:relative;overflow:hidden;
    }
    .cta-card::before{
      content:'';position:absolute;width:220px;height:220px;border-radius:50%;
      background:rgba(255,255,255,.08);top:-60px;right:-40px;
    }
    .cta-card::after{
      content:'';position:absolute;width:160px;height:160px;border-radius:50%;
      background:rgba(255,255,255,.06);bottom:-50px;left:-30px;
    }
    .cta-card h2{font-size:32px;font-weight:800;margin-bottom:14px;position:relative;z-index:1;}
    .cta-card p{font-size:16px;color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 32px;line-height:1.8;position:relative;z-index:1;}
    .cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1;}

    /* 页脚 */
    .site-footer{background:#0F3E42;color:rgba(255,255,255,.72);}
    .footer-top{
      display:flex;justify-content:space-between;gap:60px;
      padding:60px 40px 40px;max-width:1180px;margin:0 auto;
    }
    .footer-brand{max-width:400px;}
    .footer-brand .brand-logo{border-bottom:none;padding:0;margin-bottom:18px;}
    .footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
    .footer-links{display:flex;gap:60px;}
    .footer-group h4{
      font-size:15px;color:#fff;font-weight:600;margin-bottom:14px;
      letter-spacing:.04em;
    }
    .footer-group a{
      display:block;font-size:14px;color:rgba(255,255,255,.6);
      padding:5px 0;transition:all .25s ease;
    }
    .footer-group a:hover{color:var(--accent);padding-left:4px;}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
      max-width:1180px;margin:0 auto;padding:24px 40px;font-size:13px;
      color:rgba(255,255,255,.5);
    }

    /* 响应式 */
    @media screen and (max-width:1100px){
      .container{padding:0 32px;}
      .method-row{gap:36px;}
      .rules-layout{gap:40px;}
    }
    @media screen and (max-width:900px){
      :root{--space:64px;}
      .side-nav{width:230px;padding:24px 14px;}
      .main-content{margin-left:230px;}
      .hero-copy h1{font-size:36px;}
      .method-row{grid-template-columns:1fr;gap:28px;padding:40px 0;}
      .method-row.right .method-content{order:0;}
      .method-image{height:300px;}
      .rules-layout{grid-template-columns:1fr;}
      .strategy-grid{grid-template-columns:1fr;gap:36px;}
      .strategy-visual{height:320px;}
      .reward-list{grid-template-columns:1fr 1fr;}
      .footer-top{flex-direction:column;gap:36px;}
    }
    @media screen and (max-width:768px){
      .side-nav{display:none;}
      .mobile-topbar{display:flex;}
      .main-content{margin-left:0;}
      .container{padding:0 20px;}
      .category-hero{padding:100px 0 56px;}
      .hero-copy h1{font-size:32px;}
      .hero-desc{font-size:16px;}
      .hero-stats{grid-template-columns:1fr;gap:12px;}
      .hero-stat-card{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;}
      .stat-number{font-size:24px;}
      .section-head h2{font-size:26px;}
      .section-head p{font-size:15px;}
      .rules-cards{grid-template-columns:1fr;}
      .reward-list{grid-template-columns:1fr;}
      .reward-card{max-width:420px;margin:0 auto;width:100%;}
      .cta-card{padding:50px 24px;}
      .cta-card h2{font-size:24px;}
      .footer-top{padding:44px 20px 32px;}
      .footer-links{flex-wrap:wrap;gap:30px;}
      .footer-bottom{padding:20px;justify-content:center;text-align:center;}
    }
    @media screen and (max-width:520px){
      :root{--space:48px;}
      .hero-copy h1{font-size:27px;}
      .hero-actions{flex-direction:column;width:100%;}
      .hero-actions .btn{width:100%;}
      .method-image{height:230px;}
      .method-content h3{font-size:20px;}
      .section-head{margin-bottom:32px;}
      .section-head h2{font-size:24px;}
      .btn{padding:12px 22px;font-size:15px;}
      .cta-actions{flex-direction:column;width:100%;}
      .cta-actions .btn{width:100%;}
    }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
    --primary: #0D5B68;
    --primary-dark: #0A4852;
    --primary-light: #2BA59A;
    --accent: #FF6B4A;
    --accent-hover: #E55435;
    --bg: #F6F5F0;
    --card-bg: #FFFEFB;
    --text-main: #123B3D;
    --text-body: #40595A;
    --text-muted: #7B8F90;
    --border: #E3E8E4;
    --success: #2FA874;
    --warning: #E8A23D;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 16px rgba(10,70,72,.08);
    --shadow-hover: 0 12px 32px rgba(10,70,72,.14);
    --transition: all .25s ease;
}

/* ===== 基础Reset ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text-body);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}
input, textarea {
    font-family: inherit;
}
ul, ol {
    list-style: none;
}
h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: .02em;
}
:focus-visible {
    outline: 3px solid rgba(255,107,74,.4);
    outline-offset: 2px;
}

/* ===== 布局骨架 ===== */
.site-shell {
    min-height: 100vh;
    display: flex;
}
.content-main {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
}

/* ===== 左侧导航 ===== */
.site-aside {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: var(--primary);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    color: #fff;
    overflow-y: auto;
    transition: var(--transition);
}
.aside-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 28px 20px 24px;
}
.brand-area {
    padding: 0 8px 24px;
    border-bottom: 1px solid rgba(255,255,255,.12);
    margin-bottom: 18px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}
.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent), #FF9A6B);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 4px 12px rgba(255,107,74,.35);
    flex-shrink: 0;
}
.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}
.logo-name {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .02em;
    white-space: nowrap;
}
.logo-sub {
    font-size: 11px;
    color: rgba(255,255,255,.65);
    letter-spacing: .12em;
    margin-top: 2px;
}

/* 侧边菜单 */
.side-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}
.menu-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: rgba(255,255,255,.45);
    padding: 16px 12px 6px;
    font-weight: 600;
}
.side-menu .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 12px;
    color: rgba(255,255,255,.8);
    font-size: 14.5px;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: var(--transition);
}
.side-menu .nav-item i {
    width: 20px;
    text-align: center;
    font-size: 15px;
    opacity: .8;
    transition: var(--transition);
}
.side-menu .nav-item:hover {
    background: rgba(255,255,255,.08);
    color: #fff;
    border-left-color: var(--accent);
}
.side-menu .nav-item:hover i {
    opacity: 1;
    transform: translateX(2px);
}
.side-menu .nav-item.active {
    background: linear-gradient(135deg, rgba(43,165,154,.35), rgba(13,91,104,.5));
    color: #fff;
    border-left-color: var(--accent);
    font-weight: 600;
}
.side-menu .nav-item.active i {
    opacity: 1;
    color: var(--accent);
}

/* 侧边数据 */
.aside-stats {
    margin-top: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.stat-block {
    background: rgba(255,255,255,.08);
    border-radius: 14px;
    padding: 14px 10px;
    text-align: center;
    border: 1px solid rgba(255,255,255,.1);
}
.stat-num {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    font-variant-numeric: tabular-nums;
}
.stat-label {
    display: block;
    font-size: 11px;
    color: rgba(255,255,255,.55);
    margin-top: 2px;
    letter-spacing: .06em;
}

/* ===== 移动端顶部导航 ===== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    background: var(--primary);
    padding: 12px 16px;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 12px rgba(13,91,104,.25);
}
.mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
}
.mobile-brand .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
    border-radius: 10px;
}
.mobile-toggle {
    color: #fff;
    font-size: 20px;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.1);
    transition: var(--transition);
}
.mobile-toggle:hover {
    background: rgba(255,255,255,.2);
}

/* 移动抽屉 */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background: var(--primary);
    z-index: 1200;
    transform: translateX(-100%);
    transition: transform .35s ease;
    display: flex;
    flex-direction: column;
    padding: 20px 16px;
    overflow-y: auto;
}
.mobile-drawer.open {
    transform: translateX(0);
}
.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,.12);
    margin-bottom: 16px;
}
.drawer-title {
    color: #fff;
    font-weight: 600;
    font-size: 16px;
}
.drawer-close {
    color: rgba(255,255,255,.7);
    font-size: 18px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.drawer-close:hover {
    background: rgba(255,255,255,.12);
    color: #fff;
}
.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.drawer-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    color: rgba(255,255,255,.8);
    font-weight: 500;
    font-size: 14.5px;
    border-left: 3px solid transparent;
    transition: var(--transition);
}
.drawer-nav a:hover {
    background: rgba(255,255,255,.08);
    border-left-color: var(--accent);
    color: #fff;
}
.drawer-nav a i {
    width: 20px;
    text-align: center;
}
.drawer-nav .menu-label {
    padding-left: 14px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 6px 16px rgba(255,107,74,.3);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,107,74,.4);
}
.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 6px 16px rgba(255,107,74,.35);
}
.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255,107,74,.45);
}
.btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.6);
}
.btn-ghost:hover {
    background: rgba(255,255,255,.12);
    border-color: #fff;
    transform: translateY(-2px);
}
.btn-outline {
    background: #fff;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

/* ===== 面包屑 ===== */
.breadcrumb-bar {
    padding: 32px 0 8px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}
.breadcrumb-bar a {
    color: var(--text-muted);
    transition: var(--transition);
}
.breadcrumb-bar a:hover {
    color: var(--primary);
}
.breadcrumb-bar .sep {
    color: #BCC8C6;
    font-size: 12px;
}
.breadcrumb-bar .current {
    color: var(--primary);
    font-weight: 600;
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 文章卡片 ===== */
.article-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    padding: 48px 56px;
    margin-top: 20px;
    overflow: hidden;
    position: relative;
}
.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}
.article-header {
    text-align: left;
    max-width: 820px;
    margin: 0 auto 32px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}
.article-cats {
    margin-bottom: 16px;
}
.cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(13,91,104,.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
}
.cat-badge i {
    font-size: 11px;
}
.article-title {
    font-size: 42px;
    line-height: 1.3;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: .01em;
    margin: 0 0 18px;
    word-break: break-word;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13.5px;
    color: var(--text-muted);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.meta-item i {
    color: var(--primary-light);
}

/* ===== 正文阅读区 ===== */
.article-content {
    max-width: 780px;
    margin: 0 auto;
}
.rich-text {
    font-size: 16.5px;
    line-height: 1.95;
    color: var(--text-body);
    word-break: break-word;
}
.rich-text p {
    margin-bottom: 24px;
}
.rich-text h2 {
    font-size: 30px;
    margin: 44px 0 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    position: relative;
}
.rich-text h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 56px;
    height: 2px;
    background: var(--accent);
}
.rich-text h3 {
    font-size: 22px;
    margin: 36px 0 14px;
    color: var(--primary);
}
.rich-text h4 {
    font-size: 18px;
    margin: 28px 0 12px;
    font-weight: 700;
}
.rich-text a {
    color: var(--primary-light);
    font-weight: 500;
    border-bottom: 1px solid rgba(43,165,154,.3);
}
.rich-text a:hover {
    color: var(--accent);
    border-color: var(--accent);
}
.rich-text img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    margin: 28px auto;
    max-width: 100%;
    height: auto;
}
.rich-text ul,
.rich-text ol {
    margin: 20px 0 24px;
    padding-left: 24px;
}
.rich-text ul li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 10px;
}
.rich-text ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary-light);
}
.rich-text ol {
    counter-reset: rich-list;
}
.rich-text ol li {
    counter-increment: rich-list;
    position: relative;
    padding-left: 30px;
    margin-bottom: 10px;
}
.rich-text ol li::before {
    content: counter(rich-list) ".";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: 700;
}
.rich-text blockquote {
    margin: 28px 0;
    padding: 20px 24px;
    background: rgba(13,91,104,.05);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: normal;
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.8;
}
.rich-text blockquote p {
    margin-bottom: 0;
}
.rich-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    border-radius: 12px;
    overflow: hidden;
}
.rich-text table th,
.rich-text table td {
    padding: 14px 16px;
    border: 1px solid var(--border);
    text-align: left;
}
.rich-text table th {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}
.rich-text table tr:nth-child(even) {
    background: rgba(13,91,104,.03);
}
.rich-text strong {
    color: var(--text-main);
    font-weight: 700;
}
.rich-text hr {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 36px 0;
}

/* 内容未找到 */
.not-found {
    text-align: center;
    padding: 60px 20px;
}
.not-found-icon {
    font-size: 56px;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.not-found p {
    font-size: 17px;
    color: var(--text-body);
    margin-bottom: 28px;
}

/* 文章底部导航 */
.article-foot {
    max-width: 780px;
    margin: 40px auto 0;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
}
.foot-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    padding: 10px 18px;
    border-radius: 10px;
    background: rgba(13,91,104,.06);
    transition: var(--transition);
}
.foot-link:hover {
    background: var(--primary);
    color: #fff;
    transform: translateX(2px);
}
.foot-link i {
    font-size: 13px;
}

/* ===== 相关推荐 ===== */
.related-posts {
    margin-top: 64px;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}
.section-overline {
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 4px;
}
.section-head h2 {
    font-size: 34px;
    margin: 0;
}
.section-note {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 360px;
    text-align: right;
}
.related-grid {
    margin-left: -12px;
    margin-right: -12px;
}
.related-grid > .cell {
    padding-left: 12px;
    padding-right: 12px;
}
.related-card {
    display: block;
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
}
.related-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(13,91,104,.4);
}
.related-thumb {
    height: 170px;
    overflow: hidden;
    background: var(--primary);
}
.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.related-card:hover .related-thumb img {
    transform: scale(1.04);
}
.related-body {
    padding: 22px 22px 24px;
}
.tag-badge {
    display: inline-block;
    background: rgba(255,107,74,.1);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
    letter-spacing: .03em;
}
.related-body h3 {
    font-size: 18px;
    line-height: 1.4;
    margin: 0 0 10px;
    color: var(--text-main);
    transition: var(--transition);
}
.related-card:hover .related-body h3 {
    color: var(--primary);
}
.related-body p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ===== CTA ===== */
.cta-card {
    margin-top: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    padding: 52px 48px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(13,91,104,.25);
}
.cta-card::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
}
.cta-card::after {
    content: '';
    position: absolute;
    bottom: -40px;
    right: 80px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255,255,255,.05);
}
.cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-text {
    flex: 1;
    min-width: 260px;
}
.cta-text h2 {
    color: #fff;
    font-size: 30px;
    margin-bottom: 8px;
}
.cta-text p {
    color: rgba(255,255,255,.85);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}
.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
    background: #0F3E42;
    color: rgba(255,255,255,.7);
    margin-top: 80px;
    padding: 56px 0 0;
}
.footer-top {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 40px 40px;
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}
.footer-brand {
    flex: 1;
    min-width: 280px;
}
.footer-brand .brand-logo {
    margin-bottom: 16px;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
    color: rgba(255,255,255,.6);
}
.footer-links {
    display: flex;
    gap: 56px;
    flex-wrap: wrap;
    padding-top: 6px;
}
.footer-group h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 16px;
    letter-spacing: .05em;
}
.footer-group a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,.55);
    padding: 5px 0;
    transition: var(--transition);
}
.footer-group a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 22px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 1180px;
    margin: 0 auto;
    font-size: 13px;
    color: rgba(255,255,255,.45);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .site-aside {
        width: 220px;
    }
    .content-main {
        margin-left: 220px;
    }
    .container {
        padding: 0 24px;
    }
    .article-card {
        padding: 36px 32px;
    }
    .article-title {
        font-size: 34px;
    }
    .footer-top {
        padding: 0 24px 36px;
    }
    .footer-bottom {
        padding: 18px 24px;
    }
}

@media (max-width: 768px) {
    .site-aside {
        display: none;
    }
    .content-main {
        margin-left: 0;
        padding-top: 60px;
    }
    .mobile-header {
        display: flex;
    }
    .container {
        padding: 0 18px;
    }
    .breadcrumb-bar {
        padding: 20px 0 4px;
        font-size: 12px;
    }
    .article-card {
        padding: 28px 20px;
        border-radius: 20px;
        margin-top: 14px;
    }
    .article-title {
        font-size: 28px;
        margin-bottom: 14px;
    }
    .article-meta {
        gap: 12px;
        font-size: 12.5px;
    }
    .rich-text {
        font-size: 15.5px;
        line-height: 1.85;
    }
    .rich-text h2 {
        font-size: 24px;
        margin: 32px 0 14px;
    }
    .rich-text h3 {
        font-size: 19px;
    }
    .article-foot {
        flex-direction: column;
        gap: 10px;
    }
    .foot-link {
        width: 100%;
        justify-content: center;
    }
    .related-posts {
        margin-top: 40px;
    }
    .section-head {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 20px;
    }
    .section-head h2 {
        font-size: 26px;
    }
    .section-note {
        text-align: left;
        font-size: 13px;
    }
    .cta-card {
        margin-top: 48px;
        padding: 36px 24px;
        border-radius: 20px;
    }
    .cta-inner {
        flex-direction: column;
        text-align: center;
    }
    .cta-text h2 {
        font-size: 24px;
    }
    .cta-actions {
        justify-content: center;
    }
    .site-footer {
        margin-top: 48px;
        padding-top: 40px;
    }
    .footer-top {
        padding: 0 20px 32px;
        gap: 32px;
    }
    .footer-links {
        gap: 32px;
    }
    .footer-bottom {
        padding: 16px 20px;
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 14px;
    }
    .article-card {
        padding: 22px 16px;
        border-radius: 16px;
    }
    .article-title {
        font-size: 24px;
    }
    .cat-badge {
        font-size: 12px;
        padding: 4px 10px;
    }
    .meta-item {
        font-size: 12px;
    }
    .rich-text p {
        margin-bottom: 18px;
    }
    .rich-text h2 {
        font-size: 21px;
    }
    .rich-text h3 {
        font-size: 17px;
    }
    .related-grid > .cell {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .related-thumb {
        height: 150px;
    }
    .cta-card {
        padding: 28px 18px;
    }
    .cta-text h2 {
        font-size: 20px;
    }
    .btn {
        width: 100%;
    }
    .cta-actions {
        width: 100%;
        flex-direction: column;
    }
    .btn-ghost {
        border-color: rgba(255,255,255,.5);
    }
    .footer-brand .brand-logo {
        align-items: flex-start;
    }
    .footer-brand .logo-text {
        font-size: 15px;
    }
}