/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --accent: #f4a950;
  --dark: #0b0e14;
  --dark-2: #141a24;
  --dark-3: #1d2432;
  --bg: #f5f6fa;
  --surface: #ffffff;
  --text: #101319;
  --text-muted: #626a7a;
  --border: #e2e5ed;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 6px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
  --shadow-accent: 0 8px 28px rgba(230,57,70,0.28);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ========== 基础重置 ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover, a:focus-visible { color: var(--primary); }
a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
ul { list-style: none; margin: 0; padding: 0; }

/* ========== 通用容器 ========== */
.grid-container {
  max-width: 1200px;
  padding-right: 1.25rem;
  padding-left: 1.25rem;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-lg { padding: 0.95rem 2.25rem; font-size: 1.05rem; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.85rem; }
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(230,57,70,0.35); }
.btn-outline-light { border-color: rgba(255,255,255,.7); color: #fff; background: rgba(255,255,255,.08); backdrop-filter: blur(6px); }
.btn-outline-light:hover { background: rgba(255,255,255,.18); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--dark); border-color: #fff; }
.btn-light:hover { background: rgba(255,255,255,.88); color: var(--dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.12); }

/* ========== 导航头部 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 4px 30px rgba(0,0,0,.12);
}
.header-main {
  background: var(--dark);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 68px;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.brand-logo .brand-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #ff7a3d);
  border-radius: 10px;
  color: #fff;
  font-size: 1.05rem;
  box-shadow: 0 4px 16px rgba(230,57,70,.35);
}
.brand-logo em { font-style: normal; color: var(--accent); }
.brand-logo:hover { color: #fff; }
.header-search { flex: 1; max-width: 420px; }
.search-form { display: flex; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); border-radius: 30px; overflow: hidden; transition: var(--transition); }
.search-form:focus-within { background: rgba(255,255,255,.16); border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230,57,70,.2); }
.search-form input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.55rem 1rem;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  min-width: 0;
}
.search-form input::placeholder { color: rgba(255,255,255,.5); }
.search-form button {
  padding: 0.55rem 1.1rem;
  color: #fff;
  background: transparent;
  transition: var(--transition);
}
.search-form button:hover { background: var(--primary); color: #fff; }
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.12);
  border-radius: 10px;
  color: #fff;
  font-size: 1.15rem;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,.12);
}
.menu-toggle:hover { background: var(--primary); border-color: var(--primary); }
.menu-toggle.active { background: var(--primary); border-color: var(--primary); }

.header-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.header-nav .grid-container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 50px; }
.nav-list { display: flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  border-radius: 30px;
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: var(--transition);
}
.nav-link:hover { color: var(--primary); background: rgba(230,57,70,.06); }
.nav-link.active { color: var(--primary); background: rgba(230,57,70,.08); }
.nav-link.active::after { transform: translateX(-50%) scaleX(1); }
.nav-tools { display: none; padding: 0.75rem 0 1rem; }
.nav-hot { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; color: var(--text-muted); }
.nav-hot .hot-tag { display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.2rem 0.6rem; background: rgba(230,57,70,.08); border-radius: 20px; color: var(--primary); font-weight: 600; }

/* ========== Hero 首屏 ========== */
.hero {
  background-size: cover;
  background-position: center;
  padding: 7rem 0 6rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(230,57,70,.22) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content { max-width: 750px; position: relative; z-index: 2; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(8px);
  margin-bottom: 1.5rem;
}
.hero-tag i { color: var(--accent); }
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin: 0 0 1.25rem;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.hero h1 span { color: var(--accent); }
.hero-desc {
  font-size: 1.15rem;
  line-height: 1.8;
  color: rgba(255,255,255,.85);
  margin-bottom: 2rem;
  max-width: 620px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat { display: flex; flex-direction: column; }
.hero-stat strong { font-size: 1.8rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.hero-stat span { font-size: 0.9rem; color: rgba(255,255,255,.65); }

/* ========== 通用 Section ========== */
.section { padding: 5rem 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 3.5rem; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-tag::before, .section-tag::after { content: ""; width: 24px; height: 2px; background: var(--primary); opacity: .4; border-radius: 2px; }
.section-title { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; margin: 0 0 0.75rem; line-height: 1.3; color: var(--text); }
.section-subtitle { font-size: 1.05rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* ========== 平台特色 Features ========== */
.features { background: var(--surface); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.2rem 1.8rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 0;
  background: var(--primary);
  border-radius: 0 0 4px 4px;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); background: #fff; border-color: transparent; }
.feature-card:hover::before { height: 100%; }
.feature-icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #ff7a3d);
  border-radius: 14px;
  color: #fff;
  font-size: 1.45rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 20px rgba(230,57,70,.25);
}
.feature-card:nth-child(2) .feature-icon { background: linear-gradient(135deg, #1e5eff, #4dd4ff); box-shadow: 0 8px 20px rgba(30,94,255,.22); }
.feature-card:nth-child(3) .feature-icon { background: linear-gradient(135deg, var(--accent), #ffcf6b); box-shadow: 0 8px 20px rgba(244,169,80,.22); }
.feature-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.6rem; color: var(--text); }
.feature-text { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* ========== 分类入口 Categories ========== */
.categories { background: var(--bg); }
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.category-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.category-media { position: relative; height: 220px; overflow: hidden; }
.category-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.category-card:hover .category-media img { transform: scale(1.06); }
.category-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,14,20,.7) 0%, transparent 60%); }
.category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  padding: 0.3rem 1rem;
  background: var(--primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: var(--shadow-accent);
}
.category-info { padding: 1.75rem 1.75rem 2rem; display: flex; flex-direction: column; flex: 1; }
.category-title { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text); }
.category-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.25rem; flex: 1; }
.category-link { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 700; color: var(--primary); font-size: 0.95rem; }
.category-link i { transition: transform .3s ease; }
.category-link:hover i { transform: translateX(4px); }

/* ========== 最新资讯列表 ========== */
.latest-news { background: var(--surface); }
.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.news-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}
.news-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 1.5rem; right: 1.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s ease;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.news-card:hover::after { transform: scaleX(1); }
.news-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 0.2rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(230,57,70,.08);
  border-radius: 20px;
  margin-bottom: 0.75rem;
}
.news-title { font-size: 1.05rem; font-weight: 700; line-height: 1.5; margin: 0 0 0.6rem; }
.news-title a:hover { color: var(--primary); }
.news-excerpt { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.25rem; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.82rem; color: var(--text-muted); border-top: 1px dashed var(--border); padding-top: 1rem; }
.news-meta i { margin-right: 0.3rem; }
.read-more { display: inline-flex; align-items: center; gap: 0.35rem; font-weight: 700; color: var(--primary); font-size: 0.85rem; }
.read-more i { transition: transform .3s ease; }
.read-more:hover i { transform: translateX(4px); }
.empty-tip { padding: 2.5rem; text-align: center; background: var(--bg); border-radius: var(--radius); border: 2px dashed var(--border); color: var(--text-muted); font-size: 1rem; }

/* ========== 数据统计 ========== */
.stats { padding: 0; }
.stats-panel {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 60%, #1a0f14 100%);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  position: relative;
  overflow: hidden;
  color: #fff;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.06);
}
.stats-panel::before {
  content: "";
  position: absolute;
  right: -100px;
  top: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(230,57,70,.22) 0%, transparent 70%);
}
.stats-panel::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; position: relative; z-index: 2; }
.stat-item { text-align: center; padding: 0.5rem; }
.stat-number { display: block; font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 800; color: var(--accent); line-height: 1.1; margin-bottom: 0.4rem; font-variant-numeric: tabular-nums; }
.stat-label { font-size: 0.95rem; color: rgba(255,255,255,.65); }
.stat-divider { width: 1px; background: rgba(255,255,255,.12); }

/* ========== 推荐内容 ========== */
.recommended { background: var(--bg); }
.recommend-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.recommend-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.recommend-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.recommend-media { position: relative; height: 200px; overflow: hidden; }
.recommend-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.recommend-card:hover .recommend-media img { transform: scale(1.05); }
.recommend-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.9rem;
  background: rgba(11,14,20,.75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,.15);
}
.recommend-body { padding: 1.75rem; flex: 1; display: flex; flex-direction: column; }
.recommend-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text); }
.recommend-body p { font-size: 0.93rem; color: var(--text-muted); line-height: 1.7; flex: 1; margin-bottom: 1rem; }
.text-link { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 700; color: var(--primary); font-size: 0.9rem; }
.text-link i { transition: transform .3s ease; }
.text-link:hover i { transform: translateX(4px); }

/* ========== 平台流程 ========== */
.process { background: var(--dark); color: #fff; position: relative; overflow: hidden; }
.process .section-title { color: #fff; }
.process .section-subtitle { color: rgba(255,255,255,.6); }
.process .section-tag::before, .process .section-tag::after { background: var(--accent); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; position: relative; z-index: 2; }
.process-step { padding: 2rem 1.5rem; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); text-align: center; transition: var(--transition); position: relative; }
.process-step:hover { background: rgba(255,255,255,.08); transform: translateY(-4px); border-color: var(--primary); }
.step-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #ff7a3d);
  border-radius: 14px;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 8px 24px rgba(230,57,70,.3);
}
.process-step .step-icon { display: block; font-size: 1.3rem; color: var(--accent); margin-bottom: 1rem; }
.step-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.step-desc { font-size: 0.87rem; color: rgba(255,255,255,.55); line-height: 1.6; margin: 0; }

/* ========== FAQ ========== */
.faq { background: var(--surface); }
.faq-list { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active { background: #fff; border-color: rgba(230,57,70,.3); box-shadow: var(--shadow); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.5rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(230,57,70,.1);
  color: var(--primary);
  border-radius: 50%;
  font-size: 0.85rem;
  transition: var(--transition);
}
.faq-item.active .faq-icon { background: var(--primary); color: #fff; transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .3s ease; padding: 0 1.5rem; font-size: 0.95rem; color: var(--text-muted); line-height: 1.8; }
.faq-item.active .faq-answer { max-height: 300px; padding-bottom: 1.5rem; }

/* ========== CTA ========== */
.cta-section { background: var(--bg); }
.cta-inner {
  background: linear-gradient(135deg, var(--dark) 0%, #1a0f14 100%);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.06);
}
.cta-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 30%, rgba(230,57,70,.25) 0%, transparent 55%);
}
.cta-inner::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
}
.cta-title { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; margin-bottom: 1rem; position: relative; z-index: 2; }
.cta-title span { color: var(--accent); }
.cta-desc { max-width: 600px; margin: 0 auto 2rem; color: rgba(255,255,255,.7); font-size: 1.05rem; line-height: 1.8; position: relative; z-index: 2; }
.cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; position: relative; z-index: 2; }
.cta-contact { display: inline-flex; align-items: center; gap: 0.5rem; color: rgba(255,255,255,.7); font-size: 0.95rem; margin-top: 1.5rem; position: relative; z-index: 2; }
.cta-contact i { color: var(--accent); }

/* ========== Footer ========== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.8); padding-top: 4rem; position: relative; }
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), transparent 70%);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-logo { margin-bottom: 1rem; }
.footer-brand p { font-size: 0.95rem; color: rgba(255,255,255,.55); line-height: 1.8; max-width: 380px; margin: 0; }
.footer-nav h4 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 1.25rem; letter-spacing: 0.05em; }
.footer-nav ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
  color: rgba(255,255,255,.6);
}
.footer-nav a::before { content: ""; width: 5px; height: 5px; background: var(--primary); border-radius: 50%; transition: var(--transition); }
.footer-nav a:hover { color: #fff; padding-left: 2px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.75rem 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,.4);
}
.footer-bottom .footer-links { display: flex; gap: 1.5rem; }
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: #fff; }

/* ========== 响应式断点 ========== */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-panel { padding: 3rem 2rem; }
  .hero { padding: 5.5rem 0 5rem; }
  .section { padding: 4rem 0; }
}

@media (max-width: 768px) {
  .header-row { min-height: 60px; }
  .header-search { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-nav .grid-container { flex-direction: column; align-items: flex-start; gap: 0; }
  .header-nav { max-height: 0; overflow: hidden; transition: max-height .45s ease; }
  .header-nav.open { max-height: 320px; border-bottom-color: var(--border); }
  .header-nav.open .grid-container { padding-top: 0.75rem; padding-bottom: 1rem; }
  .nav-list { flex-direction: column; align-items: stretch; width: 100%; gap: 0.25rem; }
  .nav-link { padding: 0.7rem 1rem; justify-content: flex-start; border-radius: 10px; }
  .nav-link::after { display: none; }
  .nav-link.active { background: rgba(230,57,70,.08); }
  .nav-tools { display: block; width: 100%; }
  .nav-tools .search-form { background: var(--bg); border-color: var(--border); }
  .nav-tools .search-form input { color: var(--text); }
  .nav-tools .search-form input::placeholder { color: var(--text-muted); }
  .nav-tools .search-form button { color: var(--text-muted); }
  .nav-hot { display: none; }
  .hero { padding: 4rem 0; }
  .hero-stats-row { gap: 1.5rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr; }
  .stats-panel { padding: 2.5rem 1.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .stat-divider { display: none; }
  .recommend-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .cta-inner { padding: 3rem 1.5rem; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
}

@media (max-width: 520px) {
  .brand-logo { font-size: 1.2rem; }
  .brand-logo .brand-mark { width: 32px; height: 32px; font-size: 0.9rem; }
  .hero h1 { font-size: 2rem; }
  .hero-desc { font-size: 1rem; }
  .hero-stats-row { flex-direction: column; gap: 1rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .process-grid { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 2.5rem; }
  .section { padding: 3rem 0; }
  .news-card { padding: 1.25rem; }
  .category-media { height: 180px; }
  .recommend-media { height: 170px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
:root {
  --primary: #0b1220;
  --primary-light: #16213a;
  --secondary: #1d2b45;
  --accent: #e53238;
  --accent-dark: #c2232a;
  --accent-soft: rgba(229, 50, 56, 0.1);
  --gold: #f5b342;
  --bg-body: #f2f4f8;
  --bg-white: #ffffff;
  --bg-light: #f7f9fc;
  --text-main: #182236;
  --text-muted: #5d6b82;
  --text-inverse: #f5f7fa;
  --border: #e5e9f0;
  --border-dark: rgba(255, 255, 255, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.09);
  --shadow-lg: 0 20px 48px rgba(16, 24, 40, 0.14);
  --container-width: 1200px;
  --space-section: 80px;
  --font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-family);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}
button,
input {
  font-family: inherit;
  font-size: inherit;
}
.grid-container {
  max-width: var(--container-width);
}
.section {
  padding: var(--space-section) 0;
}
.section-sm {
  padding: 48px 0;
}
.section-white {
  background: var(--bg-white);
}
.section-light {
  background: var(--bg-light);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  box-shadow: 0 4px 20px rgba(6, 10, 20, 0.35);
}
.header-top {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px 0;
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}
.brand-logo .brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 10px;
  font-size: 17px;
  color: #fff;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.brand-logo em {
  font-style: normal;
  color: var(--accent);
}
.header-top-right {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}
.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(229, 50, 56, 0.18);
  border: 1px solid rgba(229, 50, 56, 0.4);
  padding: 4px 12px;
  border-radius: 30px;
  color: #ffb3b6;
  font-size: 12px;
  font-weight: 600;
}
.live-dot .fa-circle {
  font-size: 8px;
  color: var(--accent);
  animation: pulse-dot 1.4s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}
.header-nav {
  background: rgba(11, 18, 32, 0.95);
  backdrop-filter: blur(10px);
}
.header-nav .grid-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 56px;
}
.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}
.nav-list li {
  margin: 0;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.nav-link i {
  font-size: 14px;
  color: var(--accent);
}
.nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}
.nav-link.active {
  background: linear-gradient(135deg, rgba(229, 50, 56, 0.22), rgba(229, 50, 56, 0.08));
  color: #fff;
  border-color: rgba(229, 50, 56, 0.35);
}
.nav-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.search-form {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 30px;
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.search-form:focus-within {
  border-color: var(--accent);
}
.search-form input[type="search"] {
  background: transparent;
  border: 0;
  outline: 0;
  color: #fff;
  padding: 8px 6px 8px 16px;
  width: 190px;
  font-size: 13px;
}
.search-form input[type="search"]::placeholder {
  color: rgba(255, 255, 255, 0.4);
}
.search-form button {
  background: transparent;
  border: 0;
  color: rgba(255, 255, 255, 0.65);
  padding: 8px 14px;
  cursor: pointer;
  transition: color 0.2s ease;
}
.search-form button:hover {
  color: var(--accent);
}
.nav-hot {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}
.hot-tag {
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  transition: all 0.25s ease;
}
.hot-tag:hover {
  background: var(--accent);
  color: #fff;
}
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #fff;
  width: 42px;
  height: 38px;
  font-size: 16px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ---------- Page Hero ---------- */
.page-hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 80px 0 76px;
  color: #fff;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(8, 13, 24, 0.94) 0%, rgba(8, 13, 24, 0.72) 50%, rgba(12, 20, 36, 0.45) 100%);
}
.page-hero .grid-container {
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(229, 50, 56, 0.18);
  border: 1px solid rgba(229, 50, 56, 0.45);
  color: #ffb3b6;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-badge i {
  font-size: 12px;
  color: var(--accent);
}
.page-hero h1 {
  font-size: 42px;
  line-height: 1.25;
  font-weight: 900;
  max-width: 720px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.page-hero h1 span {
  color: var(--accent);
}
.page-hero .hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.28s ease;
  line-height: 1.4;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 8px 22px rgba(229, 50, 56, 0.32);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(229, 50, 56, 0.42);
  color: #fff;
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 22px rgba(11, 18, 32, 0.14);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(11, 18, 32, 0.2);
  color: var(--primary);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb-bar .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb .sep {
  color: #c3cad6;
}
.breadcrumb .current {
  color: var(--text-main);
  font-weight: 600;
}

/* ---------- Category Tabs ---------- */
.category-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cat-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 30px;
  border: 1px solid var(--border);
  background: var(--bg-light);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s ease;
}
.cat-tab i {
  font-size: 13px;
  color: var(--accent);
}
.cat-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.cat-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.cat-tab.active i {
  color: var(--gold);
}

/* ---------- Section Head ---------- */
.section-head {
  margin-bottom: 36px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.section-tag::before {
  content: '';
  width: 22px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.section-title {
  font-size: 30px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
}

/* ---------- Feature Cards ---------- */
.feature-section {
  background: var(--bg-white);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.feature-card:hover .card-cover img {
  transform: scale(1.05);
}
.card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 16, 28, 0.6));
}
.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(229, 50, 56, 0.92);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(229, 50, 56, 0.35);
}
.card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.2s ease;
}
.tag:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.card-title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--primary);
  margin-bottom: 8px;
  transition: color 0.2s ease;
}
.feature-card:hover .card-title {
  color: var(--accent);
}
.card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: #9aa6b5;
  margin-top: 18px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.card-meta i {
  color: var(--accent);
  margin-right: 4px;
}

/* ---------- Latest News ---------- */
.news-section {
  background: var(--bg-light);
}
.news-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 40px;
  align-items: start;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.news-item {
  display: flex;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: all 0.28s ease;
  align-items: center;
}
.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: #d8dee8;
}
.news-thumb {
  width: 180px;
  height: 110px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-item:hover .news-thumb img {
  transform: scale(1.06);
}
.news-content {
  flex: 1;
  min-width: 0;
}
.news-content .news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.news-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--primary);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}
.news-item:hover .news-title {
  color: var(--accent);
}
.news-excerpt {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.news-meta {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: #9aa6b5;
}
.news-meta i {
  color: var(--accent);
  margin-right: 4px;
}
.sidebar-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.sidebar-panel + .sidebar-panel {
  margin-top: 24px;
}
.sidebar-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border);
  position: relative;
}
.sidebar-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 52px;
  height: 2px;
  background: var(--accent);
}
.hot-rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: rank;
}
.hot-rank-list li {
  counter-increment: rank;
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
  align-items: center;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  transition: color 0.2s ease;
  cursor: pointer;
}
.hot-rank-list li:last-child {
  border-bottom: 0;
}
.hot-rank-list li::before {
  content: counter(rank, decimal-leading-zero);
  font-size: 16px;
  font-weight: 900;
  color: var(--accent);
  width: 26px;
  flex-shrink: 0;
  opacity: 0.85;
}
.hot-rank-list li:nth-child(1)::before,
.hot-rank-list li:nth-child(2)::before,
.hot-rank-list li:nth-child(3)::before {
  color: var(--gold);
}
.hot-rank-list li:hover {
  color: var(--primary);
}
.hot-rank-list li:hover::before {
  opacity: 1;
}

/* ---------- Data Dashboard ---------- */
.data-dashboard {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 72px 0;
  color: #fff;
}
.data-dashboard::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(7, 11, 22, 0.96), rgba(16, 25, 45, 0.88));
}
.data-dashboard .grid-container {
  position: relative;
  z-index: 2;
}
.dashboard-head {
  text-align: center;
  margin-bottom: 40px;
}
.dashboard-head .section-title {
  color: #fff;
}
.dashboard-head .section-desc {
  color: rgba(255, 255, 255, 0.65);
  margin: 0 auto;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.data-item {
  text-align: center;
  padding: 26px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(6px);
  transition: all 0.3s ease;
}
.data-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(229, 50, 56, 0.5);
  transform: translateY(-4px);
}
.data-item .data-icon {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 10px;
}
.data-num {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 1px;
}
.data-num small {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  margin-left: 2px;
}
.data-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
  letter-spacing: 1px;
}
.data-status {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 30px;
  padding: 8px 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.status-chip i {
  color: #34d399;
  font-size: 10px;
}

/* ---------- Special Topics ---------- */
.topics-section {
  background: var(--bg-white);
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.topic-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 320px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.topic-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.topic-cover {
  position: absolute;
  inset: 0;
}
.topic-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.topic-card:hover .topic-cover img {
  transform: scale(1.05);
}
.topic-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 13, 24, 0.08) 30%, rgba(8, 13, 24, 0.88) 100%);
}
.topic-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  z-index: 2;
  color: #fff;
}
.topic-body .topic-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #ffc9cb;
  background: rgba(229, 50, 56, 0.35);
  border: 1px solid rgba(229, 50, 56, 0.55);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  backdrop-filter: blur(4px);
}
.topic-title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 8px;
}
.topic-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.topic-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  transition: gap 0.3s ease;
  cursor: pointer;
}
.topic-link:hover {
  gap: 12px;
  color: #ffc75f;
}

/* ---------- FAQ ---------- */
.faq-section {
  background: var(--bg-light);
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 920px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  transition: all 0.25s ease;
}
.faq-item:hover {
  border-color: #d0d7e3;
  box-shadow: var(--shadow-sm);
}
.faq-item details {
  padding: 20px 22px;
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}
.faq-item details[open] summary .faq-icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  margin-top: 14px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}

/* ---------- CTA ---------- */
.cta-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  padding: 76px 0;
  color: #fff;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 18, 32, 0.95), rgba(25, 16, 30, 0.88));
}
.cta-box {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}
.cta-section .section-tag {
  color: var(--gold);
  justify-content: center;
}
.cta-section .section-tag::before {
  background: var(--gold);
}
.cta-title {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 14px;
}
.cta-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
  margin-bottom: 28px;
}
.subscribe-form {
  display: flex;
  gap: 10px;
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.subscribe-form input[type="email"] {
  flex: 1;
  min-width: 240px;
  padding: 13px 20px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  outline: 0;
  font-size: 14px;
  transition: all 0.25s ease;
}
.subscribe-form input[type="email"]:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.16);
}
.subscribe-form input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.4);
}
.cta-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 14px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.65);
  padding: 56px 0 0;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}
.footer-brand {
  flex: 1 1 360px;
  max-width: 500px;
}
.footer-brand .brand-logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
}
.footer-nav h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-nav ul li {
  margin-bottom: 10px;
}
.footer-nav ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.2s ease;
}
.footer-nav ul a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-links {
  display: flex;
  gap: 16px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}
.footer-links a:hover {
  color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root {
    --space-section: 60px;
  }
  .feature-grid,
  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-hero h1 {
    font-size: 34px;
  }
  .nav-hot {
    display: none;
  }
  .header-nav .grid-container {
    flex-wrap: nowrap;
  }
}
@media (max-width: 768px) {
  :root {
    --space-section: 48px;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .header-nav .grid-container {
    flex-wrap: wrap;
    padding-top: 8px;
  }
  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    padding: 8px 0;
    gap: 0;
  }
  .nav-list.open {
    display: flex;
  }
  .nav-link {
    display: flex;
    padding: 12px 10px;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .nav-tools {
    width: 100%;
    justify-content: space-between;
    margin-top: 6px;
  }
  .search-form {
    flex: 1;
    max-width: 280px;
  }
  .search-form input[type="search"] {
    width: 100%;
  }
  .page-hero {
    padding: 56px 0;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .section-title {
    font-size: 24px;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .news-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .news-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  :root {
    --space-section: 40px;
  }
  .feature-grid,
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .data-grid {
    grid-template-columns: 1fr;
  }
  .header-top-right {
    display: none;
  }
  .brand-logo {
    font-size: 21px;
  }
  .page-hero h1 {
    font-size: 24px;
  }
  .page-hero .hero-lead {
    font-size: 15px;
  }
  .category-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
  .cat-tab {
    white-space: nowrap;
  }
  .footer-top {
    flex-direction: column;
    gap: 24px;
  }
}

/* roulang page: article */
:root {
  --primary: #e12b2b;
  --primary-dark: #b71f1f;
  --primary-light: #fff0f0;
  --dark: #0c1218;
  --dark-2: #121b24;
  --dark-3: #1a2632;
  --bg: #f2f4f7;
  --card: #ffffff;
  --text: #182230;
  --text-muted: #5c6c7d;
  --border: #e2e8ef;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(12, 18, 24, 0.06);
  --shadow-md: 0 8px 28px rgba(12, 18, 24, 0.1);
  --shadow-lg: 0 18px 48px rgba(12, 18, 24, 0.16);
  --gap: 28px;
  --trans: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--trans), background var(--trans), border-color var(--trans), box-shadow var(--trans); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
button { cursor: pointer; border: none; background: none; }

.grid-container { max-width: 1220px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  transition: all var(--trans);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(225, 43, 43, 0.3);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(225, 43, 43, 0.35);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 14px rgba(225, 43, 43, 0.25); }
.btn-outline {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
  background: transparent;
}
.btn-outline:hover, .btn-outline:focus-visible { background: rgba(255, 255, 255, 0.12); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-dark {
  background: var(--dark);
  color: #fff;
}
.btn-dark:hover { background: var(--dark-3); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:focus-visible { outline: 3px solid rgba(225, 43, 43, 0.35); outline-offset: 2px; }

/* ===== Header ===== */
.site-header {
  background: var(--dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.header-top {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}
.brand-logo em { font-style: normal; color: var(--primary); }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 17px;
  box-shadow: 0 4px 14px rgba(225, 43, 43, 0.45);
}
.header-tagline {
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.header-tagline i { color: var(--primary); margin-right: 6px; }

/* ===== Nav ===== */
.header-nav {
  background: var(--dark-2);
  border-bottom: 2px solid var(--primary);
}
.header-nav .grid-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 52px;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: all var(--trans);
}
.nav-link i { font-size: 13px; opacity: 0.7; }
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }
.nav-link.active { color: #fff; border-bottom-color: var(--primary); background: rgba(255, 255, 255, 0.04); font-weight: 600; }
.nav-link:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; border-radius: 4px; }

.nav-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-form {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  overflow: hidden;
  transition: all var(--trans);
}
.search-form:focus-within { background: #fff; border-color: var(--primary); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2); }
.search-form input {
  background: transparent;
  border: none;
  color: #fff;
  padding: 7px 14px;
  font-size: 14px;
  width: 180px;
}
.search-form input::placeholder { color: rgba(255, 255, 255, 0.5); }
.search-form:focus-within input { color: var(--text); }
.search-form:focus-within input::placeholder { color: var(--text-muted); }
.search-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--trans);
}
.search-form:focus-within button { color: var(--primary); }
.search-form button:hover { color: var(--primary); }

.nav-hot {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}
.hot-tag {
  padding: 3px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--trans);
}
.hot-tag:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 64px 0 90px;
  background-size: cover;
  background-position: center;
  background-color: var(--dark-2);
  color: #fff;
  overflow: hidden;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 16, 22, 0.94) 20%, rgba(10, 16, 22, 0.72) 55%, rgba(10, 16, 22, 0.5) 100%);
  z-index: 0;
}
.article-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  z-index: 1;
}
.article-hero-inner { position: relative; z-index: 2; max-width: 900px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 24px;
  background: rgba(225, 43, 43, 0.2);
  border: 1px solid rgba(225, 43, 43, 0.5);
  color: #ffb3ae;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}
.article-hero h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
  color: #fff;
  letter-spacing: 0.01em;
}
.article-meta-hero {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}
.article-meta-hero span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta-hero i { color: var(--primary); }

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #bcc6d1; font-size: 12px; }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* ===== Article Main ===== */
.article-main { padding: 52px 0 64px; }
.article-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 44px 48px;
  border: 1px solid var(--border);
}
.article-content { font-size: 16px; line-height: 1.95; color: #2b3643; }
.article-content > * { margin-bottom: 18px; }
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-top: 36px;
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-top: 28px;
  margin-bottom: 12px;
}
.article-content h4 { font-size: 17px; font-weight: 600; color: var(--text); }
.article-content p { color: #2b3643; }
.article-content a { color: var(--primary); font-weight: 600; border-bottom: 1px solid rgba(225, 43, 43, 0.3); }
.article-content a:hover { color: var(--primary-dark); border-bottom-color: var(--primary-dark); }
.article-content img { border-radius: var(--radius); box-shadow: var(--shadow-sm); margin: 24px 0; }
.article-content blockquote {
  margin: 24px 0;
  padding: 18px 24px;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #4a5568;
  font-style: italic;
}
.article-content ul, .article-content ol { padding-left: 22px; margin: 0 0 18px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 6px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-content table th { background: var(--dark-2); color: #fff; padding: 10px 14px; text-align: left; font-weight: 600; }
.article-content table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.article-content table tr:hover td { background: #f7f9fb; }
.article-content .wp-caption, .article-content .aligncenter { text-align: center; }

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-tags .tag-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  margin-right: 4px;
}
.article-tag {
  padding: 4px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text);
  transition: all var(--trans);
}
.article-tag:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}
.article-share span { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
  transition: all var(--trans);
}
.share-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(225, 43, 43, 0.3); }

/* ===== Empty / Not Found ===== */
.empty-article {
  text-align: center;
  padding: 56px 24px;
}
.empty-article i {
  font-size: 56px;
  color: #c7d0dc;
  margin-bottom: 20px;
  display: block;
}
.empty-article h2 { font-size: 24px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.empty-article p { color: var(--text-muted); margin-bottom: 24px; max-width: 420px; margin-left: auto; margin-right: auto; }

/* ===== Sidebar ===== */
.article-sidebar { position: sticky; top: 130px; }
.sidebar-widget {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 24px;
}
.widget-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
}
.widget-title .widget-line {
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--primary);
  display: inline-block;
}

.sidebar-list li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
}
.sidebar-list li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-list li:first-child { padding-top: 0; }
.sidebar-post-link {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 4px;
  transition: color var(--trans);
}
.sidebar-post-link:hover { color: var(--primary); }
.sidebar-post-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-post-meta .cat-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.widget-categories-list { display: grid; gap: 10px; }
.widget-cat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--trans);
}
.widget-cat-item i { color: var(--primary); font-size: 13px; }
.widget-cat-item:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateX(4px); }
.widget-cat-item:hover i { color: #fff; }

.widget-promo {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.widget-promo::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(225, 43, 43, 0.25);
}
.widget-promo img { border-radius: var(--radius-sm); margin-bottom: 16px; }
.widget-promo h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.widget-promo p { font-size: 13px; color: rgba(255, 255, 255, 0.7); margin-bottom: 16px; line-height: 1.7; }
.widget-promo .btn { width: 100%; }

/* ===== Stats ===== */
.stats-section {
  background: var(--dark);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.14;
}
.stats-section .grid-container { position: relative; z-index: 1; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.stat-card {
  text-align: center;
  padding: 28px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  transition: all var(--trans);
}
.stat-card:hover { background: rgba(255, 255, 255, 0.09); border-color: rgba(225, 43, 43, 0.4); transform: translateY(-4px); }
.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  margin-bottom: 14px;
  box-shadow: 0 8px 20px rgba(225, 43, 43, 0.35);
}
.stat-number {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  display: block;
  margin-bottom: 4px;
}
.stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.65); }

/* ===== Info Cards ===== */
.info-section { padding: 64px 0; }
.section-header { text-align: center; margin-bottom: 44px; }
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 18px;
  background: var(--primary-light);
  border: 1px solid rgba(225, 43, 43, 0.25);
  color: var(--primary);
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}
.section-header h2 { font-size: 32px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.section-header p { color: var(--text-muted); max-width: 560px; margin: 0 auto; }
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
}
.info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--trans);
}
.info-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.info-card-img { position: relative; overflow: hidden; height: 200px; }
.info-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.info-card:hover .info-card-img img { transform: scale(1.06); }
.info-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(12, 18, 24, 0.65) 100%);
}
.info-card-body { padding: 22px 24px 26px; }
.info-card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.info-card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.info-card-tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}

/* ===== FAQ ===== */
.faq-section { padding: 64px 0; background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.faq-grid { max-width: 860px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow var(--trans);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  background: #fff;
  border: none;
  cursor: pointer;
  transition: color var(--trans);
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-muted);
  transition: all var(--trans);
}
.faq-item.is-open .faq-question { color: var(--primary); }
.faq-item.is-open .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner { padding: 0 24px 20px; color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.faq-item.is-open .faq-answer { max-height: 400px; }
.faq-answer-inner strong { color: var(--text); }

/* ===== CTA ===== */
.cta-section { padding: 70px 0; background: var(--dark); position: relative; overflow: hidden; }
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.cta-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  color: #fff;
}
.cta-inner h2 { font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.cta-inner p { color: rgba(255, 255, 255, 0.7); margin-bottom: 30px; font-size: 16px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, 0.75); padding-top: 56px; }
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .brand-logo { margin-bottom: 14px; }
.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.55); line-height: 1.8; max-width: 380px; }
.footer-nav h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  position: relative;
  padding-bottom: 10px;
}
.footer-nav h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 14px; color: rgba(255, 255, 255, 0.65); transition: all var(--trans); }
.footer-nav a:hover { color: var(--primary); padding-left: 6px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: rgba(255, 255, 255, 0.4); }
.footer-links a:hover { color: var(--primary); }

/* ===== Focus / accessibility ===== */
a:focus-visible, .brand-logo:focus-visible { outline: 3px solid rgba(225, 43, 43, 0.5); outline-offset: 2px; border-radius: 4px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .grid-container { padding-left: 20px; padding-right: 20px; }
  .header-nav .grid-container { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .nav-list { order: 3; width: 100%; overflow-x: auto; }
  .nav-link { padding: 10px 14px; font-size: 14px; }
  .nav-tools { order: 2; }
  .search-form input { width: 140px; }
  .nav-hot { display: none; }
  .article-card { padding: 36px 32px; }
  .article-hero h1 { font-size: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .article-content { font-size: 15px; }
}

@media (max-width: 768px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .header-top { padding: 12px 0; }
  .header-tagline { display: none; }
  .header-nav .grid-container { flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; }
  .nav-tools { width: 100%; flex-direction: column; gap: 10px; }
  .search-form { width: 100%; }
  .search-form input { flex: 1; width: auto; }
  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    background: var(--dark-2);
    padding: 10px 0;
    border-radius: var(--radius-sm);
  }
  .nav-list.mobile-open { display: flex; }
  .nav-link { width: 100%; justify-content: flex-start; border-bottom: none; border-left: 3px solid transparent; padding: 12px 16px; }
  .nav-link.active { border-left-color: var(--primary); border-bottom: none; }
  .article-hero { padding: 44px 0 60px; }
  .article-hero h1 { font-size: 27px; }
  .article-meta-hero { gap: 12px; font-size: 13px; }
  .article-card { padding: 28px 20px; border-radius: 10px; }
  .article-sidebar { position: static; margin-top: 32px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner h2 { font-size: 26px; }
  .section-header h2 { font-size: 27px; }
}

@media (max-width: 520px) {
  .grid-container { padding-left: 14px; padding-right: 14px; }
  .brand-logo { font-size: 20px; }
  .brand-mark { width: 30px; height: 30px; font-size: 14px; border-radius: 8px; }
  .article-hero { padding: 36px 0 48px; }
  .article-hero h1 { font-size: 23px; }
  .hero-badge { font-size: 12px; padding: 5px 14px; }
  .article-meta-hero { font-size: 12px; flex-direction: column; gap: 8px; }
  .article-card { padding: 20px 16px; }
  .article-content h2 { font-size: 20px; }
  .stats-grid { grid-template-columns: 1fr; gap: 14px; }
  .info-grid { grid-template-columns: 1fr; gap: 18px; }
  .section-header h2 { font-size: 24px; }
  .faq-question { font-size: 15px; padding: 15px 16px; }
  .faq-answer-inner { padding: 0 16px 16px; }
  .cta-section { padding: 48px 0; }
  .cta-inner h2 { font-size: 23px; }
  .cta-buttons .btn { width: 100%; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { gap: 12px; flex-wrap: wrap; justify-content: center; }
}

/* roulang page: category2 */
:root {
  --primary: #e63946;
  --primary-dark: #c1272d;
  --secondary: #1d3557;
  --secondary-light: #2a4a7f;
  --accent: #ffb703;
  --dark-bg: #0b1526;
  --dark-panel: #101e36;
  --light-bg: #f5f7fa;
  --white: #ffffff;
  --text-main: #17233d;
  --text-light: #6b7a8f;
  --border: #e3e9f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(20, 30, 60, 0.06);
  --shadow-md: 0 8px 28px rgba(20, 30, 60, 0.10);
  --shadow-lg: 0 18px 48px rgba(20, 30, 60, 0.14);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
.container-x { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* header top */
.header-top {
  background: var(--dark-bg);
  color: #c7d2e0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff !important;
  letter-spacing: 0.5px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(230,57,70,0.4);
}
.brand-logo em { font-style: normal; color: var(--accent); }
.header-tools { display: flex; align-items: center; gap: 20px; font-size: 0.88rem; }
.header-tools .tool-item { display: inline-flex; align-items: center; gap: 6px; color: #9fb0c5; }
.header-tools .tool-link {
  color: #c7d2e0;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  transition: all var(--transition);
}
.header-tools .tool-link:hover { border-color: var(--accent); color: var(--accent); }

/* nav */
.header-nav {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(20,30,60,0.06);
}
.header-nav .grid-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1200px;
  padding: 0 24px;
  min-height: 60px;
  margin: 0 auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  transition: all var(--transition);
}
.nav-link i { color: var(--primary); font-size: 0.85rem; }
.nav-link:hover { background: rgba(230,57,70,0.08); color: var(--primary); }
.nav-link.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 6px 16px rgba(230,57,70,0.3);
}
.nav-link.active i { color: #fff; }
.nav-tools { display: flex; align-items: center; gap: 16px; }
.search-form {
  display: flex;
  align-items: center;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2px 4px 2px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-form:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230,57,70,0.12); }
.search-form input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.87rem;
  width: 180px;
  color: var(--text-main);
}
.search-form button {
  background: var(--primary);
  border: none;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition);
}
.search-form button:hover { background: var(--primary-dark); }
.nav-hot { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-light); white-space: nowrap; }
.hot-tag {
  padding: 3px 10px;
  background: rgba(230,57,70,0.08);
  color: var(--primary);
  border-radius: 14px;
  font-weight: 600;
  transition: all var(--transition);
}
.hot-tag:hover { background: var(--primary); color: #fff; }

/* page hero */
.page-hero {
  position: relative;
  background: linear-gradient(90deg, rgba(7,18,36,0.92) 0%, rgba(13,30,60,0.82) 50%, rgba(20,40,80,0.70) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 84px 0 72px;
  color: #fff;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230,57,70,0.35), transparent 70%);
  pointer-events: none;
}
.page-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,183,3,0.15);
  border: 1px solid rgba(255,183,3,0.4);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.page-hero h1 {
  font-size: 2.9rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.page-hero h1 span { color: var(--accent); }
.page-hero .hero-desc {
  font-size: 1.06rem;
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin-bottom: 30px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 22px rgba(230,57,70,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(230,57,70,0.42); color: #fff; }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.hero-meta {
  display: flex;
  gap: 26px;
  margin-top: 38px;
  flex-wrap: wrap;
}
.hero-meta-item { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: rgba(255,255,255,0.75); }
.hero-meta-item i { color: var(--accent); font-size: 1rem; }

/* hero info card */
.hero-info-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin: 10px;
  position: relative;
  z-index: 1;
}
.hero-info-card .info-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-info-card .info-title::before { content: ''; width: 20px; height: 3px; background: var(--accent); border-radius: 2px; }
.hero-info-card ul { display: grid; gap: 14px; margin: 0; }
.hero-info-card li { display: flex; gap: 12px; align-items: flex-start; color: rgba(255,255,255,0.88); font-size: 0.92rem; line-height: 1.6; }
.hero-info-card li i { color: var(--primary); margin-top: 4px; font-size: 0.9rem; }

/* sections */
.section { padding: 80px 0; }
.section-alt { background: var(--light-bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  background: rgba(230,57,70,0.08);
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-head h2 { font-size: 2rem; font-weight: 800; color: var(--text-main); line-height: 1.35; margin-bottom: 12px; }
.section-head p { color: var(--text-light); font-size: 0.98rem; }

/* steps */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}
.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.step-card:hover::before { opacity: 1; }
.step-num {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  background: rgba(230,57,70,0.1);
  padding: 4px 12px;
  border-radius: 14px;
  display: inline-block;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }
.step-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
  box-shadow: 0 6px 18px rgba(29,53,87,0.25);
}

/* resource cards */
.resource-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.resource-card {
  display: flex;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  align-items: center;
  transition: all var(--transition);
}
.resource-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--primary); }
.resource-card .rc-img {
  flex: 0 0 140px;
  height: 100px;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.resource-card .rc-img img { width: 100%; height: 100%; object-fit: cover; }
.resource-card .rc-body { flex: 1; }
.resource-card .rc-body h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.resource-card .rc-body p { font-size: 0.86rem; color: var(--text-light); line-height: 1.6; margin-bottom: 10px; }
.resource-card .rc-tag {
  font-size: 0.75rem;
  color: var(--primary);
  background: rgba(230,57,70,0.08);
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
}

/* article list */
.article-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.article-list-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.article-list-row:last-child { border-bottom: none; }
.article-list-row:hover { background: rgba(230,57,70,0.02); }
.article-list-row .al-thumb {
  flex: 0 0 72px;
  height: 52px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--light-bg);
}
.article-list-row .al-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-list-row .al-meta { flex: 1; }
.article-list-row .al-meta h3 { font-size: 1rem; font-weight: 600; line-height: 1.5; margin-bottom: 3px; transition: color var(--transition); }
.article-list-row:hover .al-meta h3 { color: var(--primary); }
.article-list-row .al-meta .al-sub { font-size: 0.8rem; color: var(--text-light); }
.article-list-row .al-side { text-align: right; flex-shrink: 0; }
.article-list-row .al-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(29,53,87,0.08);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 4px;
}
.article-list-row .al-date { font-size: 0.78rem; color: var(--text-light); display: block; }

/* stats */
.stats-bar {
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-panel) 100%);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: '';
  position: absolute;
  left: -120px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230,57,70,0.25), transparent 70%);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; z-index: 1; }
.stat-item { text-align: center; color: #fff; }
.stat-item .stat-num { font-size: 2.4rem; font-weight: 900; line-height: 1.2; color: var(--accent); }
.stat-item .stat-label { font-size: 0.88rem; color: rgba(255,255,255,0.7); margin-top: 6px; }

/* faq */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 16px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: all var(--transition);
  cursor: pointer;
}
.faq-item:hover { box-shadow: var(--shadow-sm); border-color: rgba(230,57,70,0.3); }
.faq-item.open { border-color: var(--primary); box-shadow: var(--shadow-md); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-main);
}
.faq-q i { color: var(--primary); transition: transform var(--transition); font-size: 0.9rem; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease, opacity 0.35s ease;
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.8;
  opacity: 0;
}
.faq-item.open .faq-a { max-height: 300px; padding-top: 14px; opacity: 1; }

/* cta */
.cta-section {
  background: linear-gradient(120deg, var(--secondary) 0%, var(--secondary-light) 100%);
  padding: 70px 0;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border: 30px solid rgba(255,255,255,0.04);
  border-radius: 50%;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 160px;
  height: 160px;
  border: 24px solid rgba(255,255,255,0.04);
  border-radius: 50%;
}
.cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 14px; position: relative; z-index: 1; }
.cta-section p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 32px; font-size: 1rem; position: relative; z-index: 1; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }
.btn-light { background: #fff; color: var(--secondary); }
.btn-light:hover { background: var(--accent); color: var(--dark-bg); transform: translateY(-2px); }

/* footer */
.site-footer { background: #0a1626; color: #94a4b8; padding: 56px 0 0; }
.site-footer .grid-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-top { display: flex; justify-content: space-between; gap: 60px; padding-bottom: 42px; border-bottom: 1px solid rgba(255,255,255,0.08); flex-wrap: wrap; }
.footer-brand { flex: 1; min-width: 280px; }
.footer-brand .brand-logo { margin-bottom: 18px; font-size: 1.4rem; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; color: #7c8ba0; margin: 0; max-width: 420px; }
.footer-nav h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.footer-nav ul { display: grid; gap: 10px; }
.footer-nav a { color: #94a4b8; font-size: 0.9rem; transition: color var(--transition); }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom {
  padding: 22px 0 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: #64748b;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: #7c8ba0; font-size: 0.82rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

/* responsive */
@media (max-width: 1024px) {
  .header-nav .grid-container { flex-direction: column; align-items: stretch; padding: 12px 24px; gap: 12px; }
  .nav-list { justify-content: center; overflow-x: auto; }
  .nav-tools { justify-content: center; flex-wrap: wrap; }
  .search-form input { width: 160px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-hero h1 { font-size: 2.4rem; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .page-hero { padding: 60px 0 52px; }
  .page-hero h1 { font-size: 2rem; }
  .header-top-inner { flex-direction: column; gap: 8px; padding: 10px 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .resource-grid { grid-template-columns: 1fr; }
  .resource-card .rc-img { flex-basis: 110px; height: 88px; }
  .article-list-row { flex-wrap: wrap; padding: 16px 18px; }
  .article-list-row .al-side { text-align: left; width: 100%; display: flex; gap: 10px; align-items: center; }
  .article-list-row .al-date { margin-left: auto; }
  .stats-grid { gap: 20px; }
  .cta-section h2 { font-size: 1.6rem; }
  .footer-top { flex-direction: column; gap: 30px; }
}
@media (max-width: 520px) {
  .container-x, .header-nav .grid-container, .site-footer .grid-container { padding: 0 16px; }
  .page-hero h1 { font-size: 1.65rem; }
  .page-hero .hero-desc { font-size: 0.92rem; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item .stat-num { font-size: 1.8rem; }
  .section-head h2 { font-size: 1.55rem; }
  .nav-list { gap: 4px; }
  .nav-link { padding: 7px 12px; font-size: 0.84rem; }
  .nav-hot { display: none; }
  .resource-card { flex-direction: column; align-items: flex-start; }
  .resource-card .rc-img { width: 100%; height: 130px; flex-basis: auto; }
  .btn { width: 100%; justify-content: center; }
}