/* roulang page: index */
:root {
  --primary: #0d7a6e;
  --primary-dark: #0a5d54;
  --primary-light: #e0f2ef;
  --accent: #d4a447;
  --accent-light: #f7edda;
  --bg: #f6f5f1;
  --surface: #ffffff;
  --text: #1c1917;
  --text-weak: #78716c;
  --border: #e7e5e4;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 8px 30px rgba(0,0,0,0.06);
  --shadow-hover: 0 18px 44px rgba(0,0,0,0.12);
  --space-sm: 12px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --transition: all 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 120px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
h1, h2, h3, h4, p { margin-top: 0; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 10px;
  font-size: 18px;
}
.brand-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  position: relative;
  width: 260px;
}
.search-box input {
  width: 100%;
  padding: 9px 40px 9px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  transition: var(--transition);
  font-size: 14px;
}
.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(13,122,110,0.12);
}
.search-box button {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  background: var(--primary);
  color: #fff;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 13px;
  transition: var(--transition);
}
.search-box button:hover {
  background: var(--primary-dark);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 17px;
  color: var(--text);
  align-items: center;
  justify-content: center;
}
.header-nav {
  border-top: 1px solid var(--border);
  background: #fff;
}
.nav-scroll {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-top: 0;
  padding-bottom: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-weak);
  white-space: nowrap;
  transition: var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--primary);
  opacity: 0;
  transition: var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}
.nav-link.active::after,
.nav-link:hover::after {
  opacity: 1;
}

.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(10,61,56,0.88), rgba(13,122,110,0.72)), url('/assets/images/backpic/back-1.png') center/cover;
  padding: 120px 0 100px;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge i {
  color: var(--accent);
}
.hero-title {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 36px;
  color: rgba(255,255,255,0.85);
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: #1c1917;
  box-shadow: 0 6px 20px rgba(212,164,71,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(212,164,71,0.45);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}

.section {
  padding: var(--space-xl) 0;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 999px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.section-head p {
  color: var(--text-weak);
  font-size: 16px;
}

.intro {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.intro-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.intro-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.intro-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(13,122,110,0.15));
}
.intro-content h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
}
.intro-content p {
  color: var(--text-weak);
  margin-bottom: 20px;
  line-height: 1.8;
}
.intro-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}
.intro-point {
  padding: 18px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.intro-point:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.intro-point i {
  color: var(--accent);
  font-size: 20px;
  margin-bottom: 8px;
}
.intro-point h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.intro-point p {
  font-size: 14px;
  color: var(--text-weak);
  margin: 0;
}

.cats-section {
  background: var(--bg);
}
.cats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.cat-card {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.cat-cover {
  overflow: hidden;
}
.cat-cover img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.cat-card:hover .cat-cover img {
  transform: scale(1.05);
}
.cat-body {
  padding: 28px;
}
.cat-num {
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 2px;
}
.cat-body h3 {
  font-size: 21px;
  font-weight: 800;
  margin: 10px 0 12px;
}
.cat-body p {
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 20px;
  line-height: 1.7;
}
.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary);
  font-size: 15px;
}
.cat-link i {
  transition: transform 0.3s;
}
.cat-card:hover .cat-link i {
  transform: translateX(4px);
}

.news-section {
  background: linear-gradient(180deg, #fbfaf8 0%, #f4f3ef 100%);
  border-top: 1px solid var(--border);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  background: #fff;
}
.news-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.news-card time {
  font-size: 13px;
  color: var(--text-weak);
}
.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text);
}
.news-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  color: var(--text-weak);
  font-size: 15px;
}

.stats-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 72px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item {
  padding: 16px;
}
.stat-item i {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 12px;
}
.stat-num {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 4px;
  color: #fff;
}
.stat-label {
  font-size: 14px;
  opacity: 0.8;
  letter-spacing: 1px;
}

.update-section {
  background: var(--bg);
}
.update-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.update-card {
  position: relative;
  padding: 28px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-top: 4px solid var(--primary);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.update-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.update-card .step {
  font-size: 13px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 2px;
}
.update-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 8px 0 12px;
}
.update-card p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.faq-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  background: var(--bg);
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--primary);
}
.faq-item summary {
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--primary);
  transition: transform 0.3s;
}
.faq-item details[open] summary::after {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 24px 20px;
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
}

.cta-section {
  position: relative;
  background: linear-gradient(135deg, rgba(13,78,70,0.88), rgba(13,122,110,0.78)), url('/assets/images/backpic/back-3.png') center/cover;
  padding: 100px 0;
  color: #fff;
  text-align: center;
}
.cta-section h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-section p {
  font-size: 16px;
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto 28px;
}

.site-footer {
  background: #101313;
  color: #9ca3af;
  padding: 0;
}
.footer-top {
  padding: 56px 0 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .brand-icon {
  background: var(--accent);
  color: #1c1917;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  max-width: 340px;
  margin-bottom: 18px;
}
.footer-note {
  font-size: 12px;
  color: #6b7280;
  line-height: 1.6;
  max-width: 340px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: #9ca3af;
  padding: 5px 0;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}
.footer-bottom {
  padding: 20px 0;
  font-size: 13px;
  color: #6b7280;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom a {
  color: var(--accent);
}

@media (max-width: 1024px) {
  .hero-title { font-size: 42px; }
  .cats-grid, .news-grid, .update-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { padding: 80px 0 60px; }
  .hero-title { font-size: 32px; }
  .search-box { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .header-nav { display: none; }
  .header-nav.open { display: block; }
  .nav-scroll {
    flex-direction: column;
    align-items: stretch;
    padding: 10px 0;
  }
  .nav-link {
    padding: 12px 18px;
    justify-content: center;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cats-grid, .news-grid, .update-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-section { padding: 70px 0; }
  .cta-section h2 { font-size: 26px; }
}

@media (max-width: 520px) {
  .hero-title { font-size: 26px; }
  .hero-subtitle { font-size: 15px; }
  .container { padding: 0 16px; }
  .intro-points { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section-head h2 { font-size: 26px; }
  .cta-section h2 { font-size: 23px; }
}

/* roulang page: category1 */
:root{
  --primary:#b08d3e;
  --primary-dark:#8f6f2c;
  --primary-light:#d4b96a;
  --secondary:#1b2534;
  --secondary-light:#293548;
  --bg:#f6f3ed;
  --surface:#ffffff;
  --dark-surface:#1e2937;
  --text:#2a2a2a;
  --text-light:#6b7280;
  --border:#e5ded2;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.06);
  --shadow-md:0 8px 24px rgba(0,0,0,.08);
  --shadow-lg:0 16px 40px rgba(0,0,0,.12);
  --space-section:84px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
.grid-container{max-width:1200px;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-head{max-width:640px;margin-bottom:44px}
.section-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--primary);
  background:rgba(176,141,62,.1);
  border:1px solid rgba(176,141,62,.3);
  padding:4px 14px;
  border-radius:999px;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(1.6rem,3vw,2.2rem);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.02em;
  color:var(--secondary);
  margin-bottom:10px;
}
.section-head p{color:var(--text-light);font-size:15px}

/* ============ Header ============ */
.site-header{
  background:var(--secondary);
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 4px 20px rgba(0,0,0,.18);
}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:16px;
  padding-bottom:16px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:#fff;
}
.brand-icon{
  width:42px;height:42px;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:#fff;
  box-shadow:0 4px 12px rgba(176,141,62,.35);
}
.brand-text{
  font-size:20px;
  font-weight:800;
  letter-spacing:.04em;
  background:linear-gradient(90deg,#ffffff,#e8d5a3);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.header-actions{display:flex;align-items:center;gap:16px}
.search-box{
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.15);
  border-radius:999px;
  padding:4px 6px 4px 18px;
  gap:10px;
  transition:all .3s;
}
.search-box:focus-within{background:rgba(255,255,255,.18);border-color:rgba(176,141,62,.6)}
.search-box input{
  background:transparent;
  border:none;
  outline:none;
  color:#fff;
  font-size:13px;
  width:180px;
}
.search-box input::placeholder{color:rgba(255,255,255,.5)}
.search-box button{
  width:34px;height:34px;
  border-radius:50%;
  border:none;
  background:var(--primary);
  color:#fff;
  font-size:13px;
  display:flex;align-items:center;justify-content:center;
  transition:background .3s;
}
.search-box button:hover{background:var(--primary-dark)}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:18px;
  align-items:center;justify-content:center;
  transition:background .3s;
}
.nav-toggle:hover{background:rgba(255,255,255,.18)}
.header-nav{
  background:rgba(0,0,0,.18);
  border-top:1px solid rgba(255,255,255,.06);
}
.nav-scroll{
  display:flex;
  gap:4px;
  overflow-x:auto;
  white-space:nowrap;
  scrollbar-width:none;
}
.nav-scroll::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-block;
  padding:14px 22px;
  font-size:14px;
  font-weight:600;
  color:rgba(255,255,255,.75);
  border-bottom:2px solid transparent;
  transition:all .3s;
  flex-shrink:0;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{
  color:var(--primary-light);
  border-bottom-color:var(--primary);
  background:linear-gradient(180deg,transparent,rgba(176,141,62,.08));
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  background-size:cover;
  background-position:center;
  padding:96px 0;
  color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(27,37,52,.92) 20%,rgba(27,37,52,.65) 60%,rgba(27,37,52,.3));
  z-index:1;
}
.page-hero .grid-container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(176,141,62,.25);
  border:1px solid rgba(176,141,62,.55);
  color:#f0dfb5;
  font-size:13px;
  font-weight:600;
  padding:6px 18px;
  border-radius:999px;
  margin-bottom:20px;
  backdrop-filter:blur(4px);
}
.page-hero h1{
  font-size:clamp(2rem,5vw,3.2rem);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  margin-bottom:16px;
  text-shadow:0 2px 16px rgba(0,0,0,.3);
}
.page-hero .lead{
  font-size:clamp(.95rem,1.6vw,1.15rem);
  color:rgba(255,255,255,.85);
  max-width:540px;
  margin-bottom:28px;
  line-height:1.8;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  font-size:13px;
  color:rgba(255,255,255,.75);
}
.hero-meta span i{margin-right:6px;color:var(--primary-light)}

/* ============ 学习路径 ============ */
.path-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:36px 30px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  transition:all .35s;
  height:100%;
  position:relative;
  overflow:hidden;
}
.path-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary-light),var(--primary));
  opacity:0;
  transition:opacity .35s;
}
.path-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(176,141,62,.4);
}
.path-card:hover::before{opacity:1}
.path-num{
  font-size:14px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.08em;
  margin-bottom:8px;
}
.path-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--secondary);
  margin-bottom:10px;
}
.path-card p{font-size:14px;color:var(--text-light);line-height:1.7}
.path-arrow{
  position:absolute;
  top:36px;right:24px;
  color:var(--border);
  font-size:20px;
}

/* ============ 核心规则 ============ */
.rules-section{
  background:linear-gradient(135deg,#1b2534 0%,#253146 100%);
  color:#fff;
}
.rules-section .section-head h2{color:#fff}
.rules-section .section-head p{color:rgba(255,255,255,.62)}
.rules-section .section-tag{background:rgba(176,141,62,.2);color:#e8d5a3}
.rule-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);
  padding:30px 26px;
  height:100%;
  transition:all .35s;
  backdrop-filter:blur(8px);
}
.rule-card:hover{
  background:rgba(255,255,255,.1);
  transform:translateY(-4px);
  border-color:rgba(176,141,62,.5);
}
.rule-icon{
  width:52px;height:52px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;
  box-shadow:0 6px 16px rgba(176,141,62,.3);
  margin-bottom:18px;
}
.rule-card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.rule-card p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.rule-tag{
  display:inline-block;
  font-size:11px;
  font-weight:700;
  letter-spacing:.06em;
  background:rgba(176,141,62,.25);
  color:#e8d5a3;
  padding:3px 10px;
  border-radius:6px;
  margin-top:12px;
}

/* ============ 流程时间线 ============ */
.flow-section{background:var(--surface)}
.flow-timeline{
  max-width:820px;
  margin:0 auto;
  position:relative;
}
.flow-timeline::before{
  content:"";
  position:absolute;
  left:31px;top:20px;bottom:20px;
  width:2px;
  background:linear-gradient(180deg,var(--primary-light),var(--primary),var(--border));
}
.flow-step{
  display:flex;
  gap:24px;
  position:relative;
  padding-bottom:36px;
}
.flow-step:last-child{padding-bottom:0}
.flow-circle{
  width:64px;height:64px;
  flex-shrink:0;
  background:var(--secondary);
  color:#fff;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  font-weight:800;
  z-index:1;
  box-shadow:0 0 0 5px var(--bg),0 6px 16px rgba(0,0,0,.08);
}
.flow-circle.current{
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  box-shadow:0 0 0 5px rgba(176,141,62,.15),0 6px 16px rgba(176,141,62,.25);
}
.flow-body{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:18px 22px;
  flex:1;
  transition:all .3s;
}
.flow-body:hover{
  border-color:var(--primary);
  box-shadow:var(--shadow-sm);
}
.flow-body h3{font-size:16px;font-weight:700;color:var(--secondary);margin-bottom:4px}
.flow-body p{font-size:13px;color:var(--text-light);line-height:1.6}

/* ============ 内容列表 ============ */
.content-section{background:var(--bg)}
.content-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
  transition:all .35s;
  height:100%;
  display:flex;
  flex-direction:column;
}
.content-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(176,141,62,.4);
}
.content-cover{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--secondary-light);
}
.content-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.content-card:hover .content-cover img{transform:scale(1.06)}
.content-tag{
  position:absolute;
  top:14px;left:14px;
  background:rgba(27,37,52,.85);
  color:#fff;
  font-size:11px;
  font-weight:700;
  padding:4px 12px;
  border-radius:999px;
  backdrop-filter:blur(4px);
}
.content-hot{
  position:absolute;
  top:14px;right:14px;
  display:flex;align-items:center;gap:5px;
  background:rgba(176,141,62,.9);
  color:#fff;
  font-size:11px;
  font-weight:700;
  padding:4px 10px;
  border-radius:999px;
}
.content-body{
  padding:22px 22px 18px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.content-body h3{font-size:16px;font-weight:700;color:var(--secondary);margin-bottom:8px;line-height:1.4}
.content-body p{font-size:13px;color:var(--text-light);line-height:1.7;margin-bottom:14px;flex:1}
.content-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:var(--text-light);
  border-top:1px solid var(--border);
  padding-top:14px;
}
.content-meta i{margin-right:4px}
.read-more{
  color:var(--primary);
  font-weight:600;
  font-size:13px;
  transition:all .3s;
}
.read-more:hover{color:var(--primary-dark);padding-left:4px}

/* ============ 速查表 ============ */
.table-section{background:var(--surface)}
.table-wrap{
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  overflow-x:auto;
  box-shadow:var(--shadow-sm);
  background:var(--surface);
}
.table-wrap table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  margin:0;
  min-width:640px;
}
.table-wrap thead th{
  background:var(--secondary);
  color:#fff;
  font-weight:600;
  padding:16px 20px;
  text-align:left;
  font-size:13px;
  letter-spacing:.04em;
}
.table-wrap thead th:first-child{border-top-left-radius:0}
.table-wrap tbody td{
  padding:14px 20px;
  border-bottom:1px solid var(--border);
  color:var(--text);
  font-size:14px;
}
.table-wrap tbody tr:last-child td{border-bottom:none}
.table-wrap tbody tr:nth-child(even){background:rgba(176,141,62,.03)}
.table-wrap tbody tr{transition:background .2s}
.table-wrap tbody tr:hover{background:rgba(176,141,62,.08)}
.table-wrap .highlight{
  display:inline-block;
  background:rgba(176,141,62,.15);
  color:var(--primary-dark);
  font-weight:700;
  padding:2px 10px;
  border-radius:6px;
  font-size:12px;
}
.table-note{
  margin-top:16px;
  font-size:13px;
  color:var(--text-light);
  display:flex;
  align-items:center;
  gap:6px;
}
.table-note i{color:var(--primary)}

/* ============ FAQ ============ */
.faq-section{background:var(--bg)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:all .3s;
}
.faq-item:hover{border-color:rgba(176,141,62,.4)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:15px;
  font-weight:600;
  color:var(--secondary);
  cursor:pointer;
  list-style:none;
  transition:background .3s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(176,141,62,.04)}
.faq-item summary i{
  color:var(--primary);
  font-size:18px;
  flex-shrink:0;
  transition:transform .3s;
}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-answer{
  padding:0 24px 20px;
  font-size:14px;
  color:var(--text-light);
  line-height:1.8;
  border-top:1px dashed var(--border);
  padding-top:16px;
}

/* ============ CTA ============ */
.cta-section{padding:60px 0}
.cta-card{
  background:linear-gradient(135deg,#1b2534 0%,#253146 70%);
  border-radius:var(--radius-lg);
  padding:64px 48px;
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  top:-40%;right:-20%;
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(176,141,62,.25) 0%,transparent 65%);
}
.cta-card h2{
  font-size:clamp(1.6rem,3vw,2.2rem);
  font-weight:800;
  margin-bottom:12px;
  position:relative;
  z-index:1;
}
.cta-card p{
  color:rgba(255,255,255,.7);
  max-width:520px;
  margin:0 auto 30px;
  position:relative;
  z-index:1;
}
.cta-buttons{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 28px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  border:1px solid transparent;
  transition:all .3s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  color:#fff;
  box-shadow:0 6px 20px rgba(176,141,62,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(176,141,62,.45);
  color:#fff;
}
.btn-ghost{
  border-color:rgba(255,255,255,.3);
  color:#fff;
  background:rgba(255,255,255,.06);
}
.btn-ghost:hover{
  border-color:var(--primary-light);
  color:var(--primary-light);
  background:rgba(255,255,255,.1);
  transform:translateY(-2px);
}

/* ============ Footer ============ */
.site-footer{
  background:var(--secondary);
  color:rgba(255,255,255,.7);
  padding-top:56px;
  padding-bottom:24px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  padding-bottom:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
}
.footer-brand .brand-icon{
  width:34px;height:34px;
  border-radius:10px;
  font-size:14px;
}
.footer-brand .brand-text{
  font-size:17px;
  color:#fff;
  -webkit-text-fill-color:#fff;
}
.footer-desc{
  font-size:13px;
  line-height:1.8;
  margin-bottom:14px;
  color:rgba(255,255,255,.6);
}
.footer-note{
  font-size:12px;
  color:rgba(255,255,255,.4);
  border-left:2px solid var(--primary);
  padding-left:12px;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  color:rgba(255,255,255,.6);
  font-size:13px;
  transition:all .3s;
}
.footer-links a:hover{
  color:var(--primary-light);
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
  font-size:12px;
  color:rgba(255,255,255,.4);
}
.footer-bottom span:first-child{letter-spacing:.03em}

/* ============ Responsive ============ */
@media(max-width:900px){
  :root{--space-section:60px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .search-box input{width:120px}
}
@media(max-width:768px){
  .search-box{display:none}
  .nav-toggle{display:flex}
  .header-nav{
    display:none;
    position:absolute;
    left:0;right:0;
    background:var(--secondary);
    border-top:1px solid rgba(255,255,255,.08);
    box-shadow:0 16px 32px rgba(0,0,0,.2);
  }
  .header-nav.open{display:block}
  .nav-scroll{
    flex-direction:column;
    padding:12px 0;
  }
  .nav-link{
    padding:13px 24px;
    border-bottom:none;
    border-left:3px solid transparent;
  }
  .nav-link.active{
    border-bottom:none;
    border-left-color:var(--primary);
    background:rgba(176,141,62,.1);
  }
  .page-hero{padding:70px 0}
  .hero-meta{flex-direction:column;gap:10px}
  .flow-timeline::before{left:24px}
  .flow-circle{width:52px;height:52px;font-size:12px}
  .flow-step{gap:16px}
  .cta-card{padding:48px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .brand-text{font-size:17px}
  .brand-icon{width:36px;height:36px;font-size:15px}
  .page-hero{padding:56px 0}
  .page-hero h1{font-size:1.7rem}
  .path-card{padding:26px 20px}
  .rule-card{padding:24px 18px}
  .cta-card{padding:40px 18px}
  .btn{padding:10px 20px;font-size:13px}
  .section-head{margin-bottom:28px}
  .content-body h3{font-size:15px}
}

/* roulang page: article */
:root{
  --primary:#12233a;
  --primary-light:#1c3553;
  --primary-dark:#0a1726;
  --accent:#c9a35b;
  --accent-deep:#ad8743;
  --accent-light:#e0c181;
  --bg:#f5f2ed;
  --card:#ffffff;
  --text:#1f2937;
  --text-muted:#6b7280;
  --text-soft:#9aa3b0;
  --border:#e5ded3;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(18,35,58,.08);
  --shadow-lg:0 16px 50px rgba(18,35,58,.14);
  --trans:all .3s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--trans)}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input{font:inherit;border:none;outline:none}
i.bx{font-style:normal}

.container{max-width:1240px;margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}
.cell{flex:0 0 auto}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--primary);
  box-shadow:0 4px 20px rgba(10,23,38,.25);
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;gap:16px;
}
.brand{
  display:flex;align-items:center;gap:10px;
}
.brand-icon{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;
  box-shadow:0 4px 12px rgba(201,163,91,.4);
}
.brand-text{
  font-size:24px;font-weight:800;color:#fff;letter-spacing:1px;
}
.header-actions{
  display:flex;align-items:center;gap:12px;
}
.search-box{
  display:flex;align-items:center;
  background:rgba(255,255,255,.12);
  border-radius:999px;padding:6px 8px 6px 16px;
  width:220px;transition:var(--trans);
}
.search-box:focus-within{
  background:rgba(255,255,255,.2);
  box-shadow:0 0 0 3px rgba(201,163,91,.35);
}
.search-box input{
  background:transparent;border:none;color:#fff;
  font-size:14px;width:100%;
}
.search-box input::placeholder{color:rgba(255,255,255,.6)}
.search-box button{
  background:var(--accent);color:#fff;
  width:32px;height:32px;border-radius:50%;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:var(--trans);
}
.search-box button:hover{background:var(--accent-deep);transform:scale(1.05)}
.nav-toggle{
  display:none;background:transparent;color:#fff;
  font-size:22px;cursor:pointer;padding:8px;
  border-radius:8px;transition:var(--trans);
}
.nav-toggle:hover{background:rgba(255,255,255,.1)}
.header-nav{background:var(--primary-light);border-top:1px solid rgba(255,255,255,.06)}
.nav-scroll{
  display:flex;gap:8px;padding:10px 24px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-scroll::-webkit-scrollbar{display:none}
.nav-link{
  flex:0 0 auto;
  color:rgba(255,255,255,.75);
  font-size:14px;font-weight:600;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid transparent;
  transition:var(--trans);
}
.nav-link:hover{
  color:#fff;background:rgba(255,255,255,.12);
  transform:translateY(-1px);
}
.nav-link.active{
  color:var(--primary-dark);background:var(--accent);
  font-weight:700;
  box-shadow:0 4px 14px rgba(201,163,91,.4);
}

/* ===== 文章 banner ===== */
.article-banner{
  position:relative;
  padding:70px 0 58px;
  background:linear-gradient(135deg,rgba(10,23,38,.92),rgba(28,53,83,.78)),url('/assets/images/backpic/back-1.png') center/cover fixed;
  color:#fff;
}
.article-banner::after{
  content:'';position:absolute;bottom:0;left:0;right:0;
  height:60px;
  background:linear-gradient(to top,var(--bg),transparent);
  pointer-events:none;
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:rgba(255,255,255,.6);
  margin-bottom:30px;
}
.breadcrumb a{color:rgba(255,255,255,.75)}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb i{font-size:11px;color:rgba(255,255,255,.4)}
.banner-inner{max-width:860px;position:relative;z-index:2}
.banner-chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:var(--primary-dark);
  font-size:13px;font-weight:700;
  padding:5px 16px;border-radius:999px;
  margin-bottom:18px;
  box-shadow:0 4px 12px rgba(201,163,91,.35);
}
.banner-inner h1{
  font-size:34px;font-weight:800;line-height:1.35;
  margin-bottom:16px;letter-spacing:.5px;
  text-shadow:0 3px 20px rgba(0,0,0,.3);
}
.banner-meta{
  display:flex;flex-wrap:wrap;gap:18px;
  font-size:14px;color:rgba(255,255,255,.7);
}
.banner-meta span{display:inline-flex;align-items:center;gap:7px}
.banner-meta i{color:var(--accent-light)}
.reading-progress{
  margin-top:26px;max-width:420px;
}
.progress-label{
  display:flex;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);
  margin-bottom:7px;
}
.progress-track{
  background:rgba(255,255,255,.14);height:6px;border-radius:99px;
  overflow:hidden;
}
.progress-track i{
  display:block;height:100%;
  background:linear-gradient(90deg,var(--accent),var(--accent-light));
  border-radius:99px;width:86%;
}

/* ===== 正文与侧边栏 ===== */
.article-main-section{
  padding:64px 0 30px;
}
.article-detail-card{
  background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:42px 44px;
  border:1px solid var(--border);
}
.article-body{
  font-size:1.04rem;line-height:1.95;
  color:var(--text);
}
.article-body h2{
  font-size:1.55rem;font-weight:700;color:var(--primary);
  margin:2.2rem 0 1rem;
  padding-left:14px;border-left:4px solid var(--accent);
  line-height:1.4;
}
.article-body h3{
  font-size:1.25rem;font-weight:700;color:var(--primary-light);
  margin:1.8rem 0 .8rem;
}
.article-body p{margin-bottom:1.4rem}
.article-body ul,.article-body ol{
  margin-bottom:1.5rem;padding-left:1.6rem;
}
.article-body ul li{list-style:disc;margin-bottom:.5rem}
.article-body ol li{list-style:decimal;margin-bottom:.5rem}
.article-body blockquote{
  border-left:4px solid var(--accent);
  background:#faf7f2;
  padding:1rem 1.6rem;margin:1.5rem 0;
  border-radius:0 12px 12px 0;
  color:var(--text-muted);
  font-size:1rem;
}
.article-body img{
  border-radius:12px;margin:1.6rem 0;width:100%;
  box-shadow:var(--shadow);
}
.article-body a{
  color:var(--accent-deep);text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--accent)}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:1.6rem 0;font-size:.95rem;
}
.article-body th{
  background:var(--primary);color:#fff;
  padding:10px 16px;text-align:left;
}
.article-body td{
  padding:10px 16px;border-bottom:1px solid var(--border);
}
.article-footer-info{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:36px;padding-top:24px;
  border-top:1px solid var(--border);
}
.article-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:#f1ede6;color:var(--primary-light);
  font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:999px;
  transition:var(--trans);
}
.tag:hover{background:var(--accent);color:var(--primary-dark)}
.article-nav-links{
  display:flex;flex-wrap:wrap;justify-content:space-between;
  gap:14px;margin-top:20px;
}
.link-btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;
  color:var(--primary);background:#f6f3ee;
  padding:10px 18px;border-radius:999px;
  border:1px solid var(--border);
  transition:var(--trans);
}
.link-btn:hover{
  color:var(--primary-dark);background:var(--accent-light);
  border-color:var(--accent);
  transform:translateX(-2px);
}
.link-btn.next:hover{transform:translateX(2px)}
.empty-content{
  text-align:center;color:var(--text-muted);
  padding:60px 30px;font-size:1.05rem;
}

/* 未找到 */
.not-found{
  text-align:center;padding:70px 30px;
}
.not-found i{
  font-size:52px;color:var(--accent);margin-bottom:18px;
}
.not-found h2{
  font-size:26px;font-weight:800;color:var(--primary);
  margin-bottom:12px;
}
.not-found p{
  color:var(--text-muted);margin-bottom:26px;
  font-size:16px;
}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 24px;border-radius:999px;
  font-size:14px;font-weight:600;
  transition:var(--trans);cursor:pointer;
  border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  color:#fff !important;
  box-shadow:0 6px 16px rgba(201,163,91,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(201,163,91,.5);
}
.btn-ghost{
  background:transparent;color:var(--primary-dark);
  border-color:var(--primary);font-weight:600;
}
.btn-ghost:hover{
  background:var(--primary);color:#fff !important;
  transform:translateY(-2px);
}

/* ===== 侧边栏 ===== */
.article-sidebar{
  display:flex;flex-direction:column;gap:24px;
  position:sticky;top:160px;
}
.sidebar-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow);
  transition:var(--trans);
}
.sidebar-card:hover{box-shadow:var(--shadow-lg)}
.sidebar-title{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--primary);
  margin-bottom:18px;
}
.sidebar-title i{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;
}
.sidebar-title::after{
  content:'';flex:1;height:1px;background:var(--border);margin-left:6px;
}
.sidebar-tags{display:flex;flex-wrap:wrap;gap:10px}
.sidebar-tags .tag{
  background:#f5f2ed;font-size:13px;
}

.sidebar-cats{display:flex;flex-direction:column;gap:12px}
.cat-mini{
  display:flex;align-items:center;gap:14px;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:#f8f5f0;border:1px solid var(--border);
  transition:var(--trans);
}
.cat-mini:hover{
  background:var(--primary);color:#fff;
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}
.cat-mini i{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  color:#fff;font-size:15px;
}
.cat-mini div{flex:1}
.cat-mini .name{font-size:15px;font-weight:700;margin-bottom:2px}
.cat-mini .desc{font-size:12px;color:var(--text-muted)}
.cat-mini:hover .desc{color:rgba(255,255,255,.65)}
.cat-mini .arrow{color:var(--text-soft);font-size:13px}

.hot-list{display:flex;flex-direction:column;gap:18px}
.hot-item{}
.hot-head{
  display:flex;align-items:center;gap:10px;
  margin-bottom:7px;
}
.hot-rank{
  font-size:20px;font-weight:900;color:var(--accent);
  line-height:1;
  width:28px;font-style:italic;
}
.hot-title{
  flex:1;font-size:14px;font-weight:600;color:var(--text);
  line-height:1.4;
}
.hot-value{font-size:12px;font-weight:700;color:var(--text-muted)}
.hot-track{
  height:5px;background:#eee7dc;border-radius:99px;overflow:hidden;
  margin-left:38px;
}
.hot-track i{
  display:block;height:100%;
  background:linear-gradient(90deg,var(--accent),var(--accent-light));
  border-radius:99px;
}

/* ===== 延伸阅读 ===== */
.more-section{
  padding:56px 0 30px;
}
.section-head{
  margin-bottom:32px;
  position:relative;
}
.section-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;
  color:var(--accent-deep);letter-spacing:2px;
  text-transform:uppercase;margin-bottom:6px;
}
.section-head h2{
  font-size:28px;font-weight:800;color:var(--primary);
  line-height:1.3;
}
.extend-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  height:100%;
  box-shadow:var(--shadow);
  transition:var(--trans);
}
.extend-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-lg);
}
.extend-img{
  position:relative;overflow:hidden;aspect-ratio:16/10;
}
.extend-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.extend-card:hover .extend-img img{transform:scale(1.06)}
.extend-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,23,38,.35),transparent 55%);
}
.extend-info{padding:20px 22px 24px}
.extend-info .tag{margin-bottom:10px}
.extend-info h3{
  font-size:18px;font-weight:700;color:var(--primary);
  margin-bottom:8px;line-height:1.4;
}
.extend-info p{
  font-size:14px;color:var(--text-muted);line-height:1.7;
}

/* ===== CTA ===== */
.cta-section{
  padding:56px 0 66px;
}
.cta-box{
  position:relative;
  border-radius:24px;overflow:hidden;
  background:linear-gradient(135deg,rgba(10,23,38,.94),rgba(28,53,83,.86)),
    url('/assets/images/backpic/back-2.png') center/cover;
  padding:56px 42px;text-align:center;color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-box::before{
  content:'';position:absolute;top:-40px;right:-40px;
  width:180px;height:180px;border-radius:50%;
  background:rgba(201,163,91,.15);
}
.cta-box h2{
  font-size:30px;font-weight:800;margin-bottom:12px;
}
.cta-box p{
  color:rgba(255,255,255,.7);font-size:16px;margin-bottom:28px;
  max-width:520px;margin-left:auto;margin-right:auto;
}
.cta-actions{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.8);
  margin-top:20px;
}
.footer-top{padding:52px 24px 32px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;
  gap:44px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{color:#fff;font-size:22px}
.footer-desc{
  font-size:14px;line-height:1.8;
  color:rgba(255,255,255,.65);
  max-width:360px;margin-bottom:14px;
}
.footer-note{
  font-size:12px;color:rgba(255,255,255,.45);
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.06);
  padding:6px 14px;border-radius:999px;
}
.footer-note i{color:var(--accent)}
.footer-title{
  font-size:15px;font-weight:700;color:#fff;
  margin-bottom:18px;letter-spacing:1px;
}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.6);
  transition:var(--trans);
  display:inline-flex;align-items:center;gap:8px;
}
.footer-links a::before{
  content:'';width:4px;height:4px;border-radius:50%;
  background:var(--accent);opacity:.6;
}
.footer-links a:hover{color:var(--accent-light);padding-left:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 24px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .article-sidebar{position:static;margin-top:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .banner-inner h1{font-size:30px}
}
@media (max-width:768px){
  .header-top{padding:12px 16px}
  .search-box{width:160px}
  .brand-text{font-size:20px}
  .brand-icon{width:36px;height:36px;font-size:16px}
  .nav-scroll{padding:8px 16px;gap:6px}
  .nav-link{font-size:13px;padding:6px 14px}
  .article-banner{padding:46px 0 40px}
  .banner-inner h1{font-size:24px;line-height:1.45}
  .article-detail-card{padding:26px 22px}
  .article-body{font-size:1rem}
  .article-body h2{font-size:1.3rem}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-box{padding:42px 24px}
  .cta-box h2{font-size:24px}
  .article-footer-info{flex-direction:column;align-items:flex-start}
  .article-nav-links{flex-direction:column;align-items:stretch}
  .link-btn{justify-content:center}
  .nav-toggle{display:block}
  .header-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--primary-light);
    border-top:1px solid rgba(255,255,255,.08);
    box-shadow:0 20px 40px rgba(0,0,0,.3);
  }
  .header-nav.nav-open{display:block}
  .nav-scroll{
    flex-direction:column;overflow:visible;
    padding:16px;
  }
  .nav-link{width:100%;text-align:center;background:rgba(255,255,255,.05)}
  .nav-link.active{background:var(--accent)}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .search-box{display:none}
  .header-top{padding:10px 16px}
  .brand-text{font-size:19px}
  .banner-inner h1{font-size:21px}
  .banner-chip{font-size:12px;padding:4px 12px}
  .breadcrumb{font-size:12px}
  .article-detail-card{padding:22px 18px;border-radius:14px}
  .section-head h2{font-size:23px}
  .footer-top{padding:36px 16px 24px}
  .footer-bottom{flex-direction:column;text-align:center;padding:18px 16px}
  .cta-box{padding:36px 20px}
  .cta-box h2{font-size:21px}
  .extend-card .extend-info{padding:16px}
}

/* roulang page: category2 */
:root {
      --primary: #1a2a3a;
      --primary-dark: #0f1a26;
      --accent: #c8a86e;
      --accent-light: #e8d5ae;
      --bg: #f7f5f0;
      --bg-deep: #efece4;
      --card-bg: #ffffff;
      --text: #1e2d3d;
      --text-weak: #6b7a88;
      --text-light: #9aa5ad;
      --border: #e4e0d8;
      --radius: 14px;
      --radius-sm: 8px;
      --shadow: 0 8px 30px rgba(26,42,58,0.08);
      --shadow-lg: 0 16px 50px rgba(26,42,58,0.14);
      --transition: all 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
      --font: -apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Arial,sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; }
    body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; display: block; }
    button, input, textarea { font-family: inherit; font-size: inherit; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    .site-header { background: var(--primary); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 20px rgba(0,0,0,0.2); border-bottom: 3px solid var(--accent); }
    .header-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; max-width: 1200px; margin: 0 auto; }
    .brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.25rem; font-weight: 700; letter-spacing: 0.02em; }
    .brand-icon { width: 38px; height: 38px; background: linear-gradient(135deg,var(--accent),#a88248); display: flex; align-items: center; justify-content: center; border-radius: 10px; color: var(--primary-dark); font-size: 1.05rem; }
    .brand-text { font-size: 1.3rem; font-weight: 700; }
    .header-actions { display: flex; align-items: center; gap: 14px; }
    .search-box { display: flex; align-items: center; background: rgba(255,255,255,0.1); border-radius: 999px; padding: 4px 4px 4px 16px; border: 1px solid rgba(255,255,255,0.15); transition: var(--transition); }
    .search-box:focus-within { background: rgba(255,255,255,0.18); border-color: var(--accent); }
    .search-box input { background: transparent; border: none; outline: none; color: #fff; width: 180px; font-size: 0.9rem; }
    .search-box input::placeholder { color: rgba(255,255,255,0.6); }
    .search-box button { background: var(--accent); border: none; color: var(--primary-dark); width: 32px; height: 32px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
    .search-box button:hover { background: var(--accent-light); }
    .nav-toggle { display: none; background: transparent; border: 1px solid rgba(255,255,255,0.3); color: #fff; width: 40px; height: 40px; border-radius: 8px; font-size: 1rem; cursor: pointer; align-items: center; justify-content: center; }
    .header-nav { background: rgba(0,0,0,0.2); border-top: 1px solid rgba(255,255,255,0.08); }
    .nav-scroll { display: flex; align-items: center; gap: 4px; overflow-x: auto; padding: 0 24px; scrollbar-width: none; max-width: 1200px; margin: 0 auto; }
    .nav-scroll::-webkit-scrollbar { display: none; }
    .nav-link { display: inline-block; padding: 12px 20px; color: rgba(255,255,255,0.75); font-size: 0.95rem; font-weight: 500; position: relative; white-space: nowrap; transition: var(--transition); }
    .nav-link::after { content: ''; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 0; height: 3px; background: var(--accent); border-radius: 2px; transition: var(--transition); }
    .nav-link:hover { color: #fff; background: rgba(255,255,255,0.06); }
    .nav-link.active { color: #fff; font-weight: 600; }
    .nav-link.active::after { width: 40px; }

    .page-hero {
      background: linear-gradient(135deg, rgba(15,26,38,0.92), rgba(26,42,58,0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      color: #fff; padding: 80px 0 70px; position: relative; overflow: hidden;
    }
    .page-hero::before { content: ''; position: absolute; top: -60px; right: -60px; width: 220px; height: 220px; background: radial-gradient(circle, rgba(200,168,110,0.3), transparent 70%); border-radius: 50%; }
    .page-hero .container { position: relative; z-index: 2; }
    .page-hero h1 { font-size: 2.6rem; font-weight: 800; margin: 0 0 12px; letter-spacing: 0.02em; line-height: 1.25; }
    .page-hero h1 span { color: var(--accent); }
    .page-hero p { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0; }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
    .hero-tag { background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); color: #fff; padding: 6px 16px; border-radius: 999px; font-size: 0.82rem; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; backdrop-filter: blur(4px); }

    .breadcrumb-wrap { background: var(--bg-deep); border-bottom: 1px solid var(--border); padding: 12px 0; font-size: 0.85rem; }
    .breadcrumb-wrap .breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--text-weak); max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .breadcrumb-wrap a:hover { color: var(--accent); }
    .breadcrumb-wrap .sep { color: var(--text-light); }
    .breadcrumb-wrap .current { color: var(--primary); font-weight: 600; }

    .section-block { padding: 70px 0; }
    .section-block.bg-light { background: var(--bg-deep); }
    .section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 40px; flex-wrap: wrap; }
    .section-header h2 { font-size: 2rem; font-weight: 700; margin: 0; color: var(--primary); position: relative; padding-left: 16px; }
    .section-header h2::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 4px; border-radius: 4px; background: linear-gradient(180deg,var(--accent),#8a6a3a); }
    .section-header .sub-title { color: var(--text-weak); font-size: 0.98rem; max-width: 400px; }

    .card-item { background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); height: 100%; }
    .card-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
    .card-img { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
    .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
    .card-item:hover .card-img img { transform: scale(1.05); }
    .card-badge { position: absolute; top: 14px; left: 14px; background: rgba(26,42,58,0.88); backdrop-filter: blur(4px); color: #fff; font-size: 0.75rem; padding: 4px 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.2); display: flex; align-items: center; gap: 4px; }
    .card-body { padding: 22px 24px 24px; }
    .card-body h3 { font-size: 1.15rem; font-weight: 700; margin: 0 0 10px; line-height: 1.4; color: var(--primary); }
    .card-body h3 a:hover { color: var(--accent); }
    .card-body p { font-size: 0.92rem; color: var(--text-weak); margin: 0 0 16px; line-height: 1.65; }
    .card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-light); border-top: 1px solid var(--border); padding-top: 14px; }
    .card-meta i { color: var(--accent); }

    .news-grid .grid-x { margin: -12px; }
    .news-grid .cell { padding: 12px; }

    .timeline-list { list-style: none; margin: 0 0 40px; padding: 0; position: relative; }
    .timeline-list::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
    .timeline-list li { position: relative; padding: 0 0 26px 40px; }
    .timeline-list li::before { content: ''; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--accent); border: 3px solid var(--bg); box-shadow: 0 0 0 2px var(--accent); }
    .timeline-date { font-size: 0.8rem; color: var(--text-light); display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
    .timeline-title { font-weight: 600; font-size: 1.05rem; margin: 4px 0 6px; }
    .timeline-title a { color: var(--primary); }
    .timeline-title a:hover { color: var(--accent); }
    .timeline-desc { font-size: 0.9rem; color: var(--text-weak); margin: 0; }

    .stats-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; border-radius: var(--radius); overflow: hidden; position: relative; }
    .stats-section .stat-cell { text-align: center; padding: 40px 20px; border-right: 1px solid rgba(255,255,255,0.1); }
    .stats-section .stat-cell:last-child { border-right: none; }
    .stats-section .stat-num { font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
    .stats-section .stat-label { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-top: 8px; }

    .feature-wrap { display: flex; align-items: center; gap: 40px; background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); padding: 32px; box-shadow: var(--shadow); }
    .feature-img { flex: 0 0 46%; border-radius: var(--radius); overflow: hidden; }
    .feature-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
    .feature-content h3 { font-size: 1.6rem; font-weight: 700; color: var(--primary); margin: 0 0 14px; }
    .feature-content p { color: var(--text-weak); margin-bottom: 16px; }
    .feature-list { list-style: none; padding: 0; margin: 0 0 20px; }
    .feature-list li { padding: 6px 0; color: var(--text); font-size: 0.95rem; display: flex; gap: 10px; align-items: center; }
    .feature-list li i { color: var(--accent); }

    .faq-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; margin-bottom: 16px; transition: var(--transition); }
    .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow); }
    .faq-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin: 0 0 10px; display: flex; gap: 10px; align-items: flex-start; }
    .faq-item h3 i { color: var(--accent); margin-top: 4px; }
    .faq-item p { margin: 0; font-size: 0.93rem; color: var(--text-weak); line-height: 1.7; }

    .cta-section { background: linear-gradient(135deg, rgba(26,42,58,0.95), rgba(15,26,38,0.98)), url('/assets/images/backpic/back-3.png') center/cover no-repeat; padding: 70px 0; text-align: center; color: #fff; }
    .cta-section h2 { font-size: 2rem; font-weight: 800; margin: 0 0 14px; }
    .cta-section p { color: rgba(255,255,255,0.8); font-size: 1.05rem; max-width: 520px; margin: 0 auto 30px; }
    .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

    .btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 999px; font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer; transition: var(--transition); color: #fff; background: var(--accent); box-shadow: 0 4px 18px rgba(200,168,110,0.35); }
    .btn:hover { background: #b8935a; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(200,168,110,0.45); }
    .btn-outline { background: transparent; border: 2px solid rgba(255,255,255,0.6); box-shadow: none; color: #fff; }
    .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; box-shadow: none; }
    .btn-sm { padding: 8px 18px; font-size: 0.85rem; }

    .site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 56px 0 0; }
    .footer-top { padding-bottom: 36px; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.2rem; font-weight: 700; margin-bottom: 14px; }
    .footer-brand .brand-icon { width: 34px; height: 34px; font-size: 0.9rem; }
    .footer-desc { font-size: 0.9rem; line-height: 1.7; margin-bottom: 12px; max-width: 340px; }
    .footer-note { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
    .footer-title { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
    .footer-links { display: flex; flex-direction: column; gap: 10px; }
    .footer-links a { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
    .footer-links a:hover { color: var(--accent); padding-left: 4px; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 0.82rem; color: rgba(255,255,255,0.4); flex-wrap: wrap; max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

    @media (max-width: 1024px) {
      .page-hero { padding: 64px 0 56px; }
      .page-hero h1 { font-size: 2.2rem; }
      .footer-grid { gap: 30px; }
      .feature-wrap { flex-direction: column; gap: 24px; }
      .feature-img { flex: 0 0 100%; width: 100%; }
    }
    @media (max-width: 768px) {
      .header-top { flex-wrap: wrap; }
      .search-box { display: none; }
      .nav-toggle { display: flex; }
      .header-nav { display: none; }
      .header-nav.open { display: block; }
      .nav-scroll { flex-direction: column; align-items: stretch; padding: 12px 24px; }
      .nav-link { padding: 14px 16px; border-radius: var(--radius-sm); }
      .nav-link::after { display: none; }
      .section-block { padding: 50px 0; }
      .section-header h2 { font-size: 1.6rem; }
      .page-hero h1 { font-size: 1.8rem; }
      .stats-section .stat-cell { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); padding: 24px 16px; }
      .stats-section .stat-cell:last-child { border-bottom: none; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
      .footer-bottom { flex-direction: column; text-align: center; }
      .card-body { padding: 18px 18px 20px; }
    }
    @media (max-width: 520px) {
      .container { padding: 0 18px; }
      .page-hero { padding: 50px 0 44px; }
      .page-hero h1 { font-size: 1.5rem; }
      .page-hero p { font-size: 0.95rem; }
      .section-header { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 28px; }
      .cta-section h2 { font-size: 1.6rem; }
      .btn { width: 100%; justify-content: center; }
      .feature-wrap { padding: 20px; }
      .faq-item { padding: 18px 20px; }
      .footer-bottom { margin: 0 auto; padding: 20px 18px; }
      .footer-grid { padding: 0 18px; }
      .breadcrumb-wrap .breadcrumb { padding: 0 18px; }
    }

/* roulang page: category3 */
:root{
  --primary:#121e33;
  --primary-light:#1d3152;
  --primary-dark:#0b1524;
  --accent:#e0693c;
  --accent-hover:#c9562c;
  --accent-soft:#f95d3f;
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#1f2b3a;
  --text-light:#6b7a8f;
  --text-lighter:#9aa8b8;
  --border:#e7ebf2;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 4px 24px rgba(18,30,51,0.06);
  --shadow-hover:0 14px 40px rgba(18,30,51,0.12);
  --shadow-header:0 2px 16px rgba(18,30,51,0.08);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --space-section:80px;
  --space-sm:40px;
  --font-main:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"JetBrains Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:130px}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit;transition:var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
ul,ol{list-style:none}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* 视觉系统辅助类 */
.section-pad{padding:var(--space-section) 0}
.section-sm{padding:var(--space-sm) 0}
.bg-deep{background:var(--primary);color:#fff}
.bg-accent-soft{background:linear-gradient(135deg,#fffaf5,var(--bg))}

.section-head{
  margin-bottom:44px;
  text-align:center;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  background:rgba(224,105,60,.1);
  padding:6px 18px;
  border-radius:100px;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(26px,3.4vw,38px);
  font-weight:800;
  line-height:1.3;
  color:var(--primary);
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.section-head p{
  max-width:620px;
  margin:0 auto;
  color:var(--text-light);
  font-size:16px;
  line-height:1.8;
}
.bg-deep .section-head h2{color:#fff}
.bg-deep .section-head p{color:rgba(255,255,255,.7)}

/* ===== 按钮系统 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 32px;
  font-size:15px;
  font-weight:700;
  border-radius:50px;
  transition:var(--transition);
  white-space:nowrap;
  border:2px solid transparent;
  line-height:1.3;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 4px 20px rgba(224,105,60,.3);
}
.btn-primary:hover{
  background:var(--accent-hover);
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(224,105,60,.4);
}
.btn-outline{
  border-color:rgba(255,255,255,.5);
  color:#fff;
  background:transparent;
}
.btn-outline:hover{
  border-color:#fff;
  background:rgba(255,255,255,.1);
  transform:translateY(-2px);
}
.btn-dark{
  background:var(--primary);
  color:#fff;
}
.btn-dark:hover{
  background:var(--primary-light);
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(18,30,51,.3);
}
.btn-ghost{
  border-color:var(--border);
  color:var(--primary);
  background:transparent;
}
.btn-ghost:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}

/* ===== 徽章/标签 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 14px;
  font-size:12px;
  font-weight:700;
  border-radius:100px;
  letter-spacing:.02em;
}
.badge-accent{background:rgba(224,105,60,.12);color:var(--accent)}
.badge-blue{background:rgba(59,130,246,.1);color:#3b82f6}
.badge-green{background:rgba(16,185,129,.1);color:#10b981}
.badge-purple{background:rgba(139,92,246,.1);color:#8b5cf6}
.badge-dark{background:rgba(18,30,51,.08);color:var(--primary)}
.tag{
  display:inline-block;
  padding:3px 12px;
  font-size:12px;
  font-weight:600;
  border-radius:100px;
  background:rgba(18,30,51,.06);
  color:var(--text-light);
  transition:var(--transition);
}
.tag:hover{background:rgba(224,105,60,.12);color:var(--accent)}

/* ===== Header / 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:var(--primary);
  box-shadow:var(--shadow-header);
}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:70px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
}
.brand-icon{
  width:38px;
  height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--accent),#f59e0b);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  color:#fff;
  box-shadow:0 4px 14px rgba(224,105,60,.4);
}
.brand-text{
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
  background:linear-gradient(135deg,#fff,#e2e8f0);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.14);
  border-radius:50px;
  padding:7px 18px;
  transition:var(--transition);
}
.search-box:focus-within{
  background:rgba(255,255,255,.16);
  border-color:rgba(224,105,60,.6);
  box-shadow:0 0 0 3px rgba(224,105,60,.15);
}
.search-box input{
  background:transparent;
  border:none;
  outline:none;
  color:#fff;
  font-size:13px;
  width:180px;
}
.search-box input::placeholder{color:rgba(255,255,255,.5)}
.search-box button{color:rgba(255,255,255,.7);font-size:14px;transition:var(--transition)}
.search-box button:hover{color:var(--accent)}

.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:10px;
  background:rgba(255,255,255,.1);
  color:#fff;
  font-size:18px;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}
.nav-toggle:hover{background:rgba(255,255,255,.2)}

.header-nav{
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(11,21,36,.6);
}
.nav-scroll{
  display:flex;
  gap:4px;
  padding:0 24px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-scroll::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:13px 20px;
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.7);
  position:relative;
  white-space:nowrap;
  transition:var(--transition);
}
.nav-link:hover{
  color:#fff;
}
.nav-link::after{
  content:'';
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:0;
  height:3px;
  border-radius:3px 3px 0 0;
  background:var(--accent);
  transition:var(--transition);
}
.nav-link:hover::after{width:100%}
.nav-link.active{
  color:#fff;
}
.nav-link.active::after{
  width:100%;
  background:var(--accent);
}

/* ===== Hero 横幅 ===== */
.page-hero{
  position:relative;
  padding:100px 0 110px;
  background:linear-gradient(180deg,rgba(11,21,36,.92),rgba(18,30,51,.75)),url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:'';
  position:absolute;
  top:-80px;
  right:-80px;
  width:300px;
  height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,105,60,.2),transparent 70%);
  pointer-events:none;
}
.page-hero::after{
  content:'';
  position:absolute;
  bottom:-100px;
  left:20%;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,105,60,.12),transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:40px;
}
.hero-content h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;
  line-height:1.2;
  margin-bottom:18px;
  letter-spacing:-.02em;
}
.hero-content h1 span{
  display:inline-block;
  background:linear-gradient(135deg,var(--accent),#f59e0b);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-content p{
  max-width:560px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.75);
  margin-bottom:30px;
}
.hero-btns{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero-meta{
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-end;
}
.hero-meta-card{
  background:rgba(255,255,255,.12);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);
  border-radius:14px;
  padding:16px 24px;
  text-align:center;
  min-width:160px;
}
.hero-meta-card .num{
  font-size:30px;
  font-weight:800;
  color:#fff;
  font-family:var(--font-mono);
}
.hero-meta-card .label{
  font-size:13px;
  color:rgba(255,255,255,.65);
  margin-top:4px;
}

/* ===== 快讯列表 ===== */
.news-flash{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  border:1px solid var(--border);
}
.news-flash-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 28px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
}
.news-flash-header h3{
  font-size:17px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:10px;
}
.news-flash-header .flash-live{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(224,105,60,.3);
  color:#ffb89e;
  font-size:12px;
  font-weight:700;
  padding:3px 14px;
  border-radius:100px;
}
.news-flash-header .flash-live::before{
  content:'';
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  animation:pulse 1.5s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.4;transform:scale(.8)}
}
.news-flash-item{
  display:flex;
  align-items:center;
  gap:18px;
  padding:18px 28px;
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.news-flash-item:last-child{border-bottom:none}
.news-flash-item:hover{
  background:rgba(224,105,60,.03);
  padding-left:36px;
}
.news-flash-time{
  flex-shrink:0;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  background:rgba(224,105,60,.1);
  padding:4px 12px;
  border-radius:100px;
  font-family:var(--font-mono);
}
.news-flash-item .tag{flex-shrink:0}
.news-flash-item .title{
  flex:1;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  transition:var(--transition);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.news-flash-item:hover .title{color:var(--accent)}
.news-flash-item .arrow{
  color:var(--text-lighter);
  font-size:14px;
  transition:var(--transition);
  flex-shrink:0;
}
.news-flash-item:hover .arrow{
  color:var(--accent);
  transform:translateX(4px);
}
.news-flash-footer{
  padding:14px 28px;
  text-align:center;
  font-size:13px;
  color:var(--text-light);
  background:var(--bg);
  border-top:1px solid var(--border);
}

/* ===== 资讯卡片网格 ===== */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.news-card{
  background:var(--card);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.news-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-6px);
  border-color:rgba(224,105,60,.25);
}
.news-card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.news-card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.news-card:hover .news-card-media img{
  transform:scale(1.06);
}
.news-card-cat{
  position:absolute;
  top:14px;
  left:14px;
  z-index:2;
}
.news-card-body{
  padding:24px;
  flex:1;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.news-card-title{
  font-size:18px;
  font-weight:700;
  line-height:1.45;
  color:var(--text);
  transition:var(--transition);
}
.news-card:hover .news-card-title{color:var(--accent)}
.news-card-desc{
  font-size:14px;
  color:var(--text-light);
  line-height:1.7;
  flex:1;
}
.news-card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:16px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-lighter);
}
.news-card-meta i{
  margin-right:4px;
  font-size:12px;
}

/* ===== 数据统计 ===== */
.stats-section{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  position:relative;
  overflow:hidden;
}
.stats-section::before{
  content:'';
  position:absolute;
  top:0;
  right:0;
  width:400px;
  height:400px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,105,60,.15),transparent 70%);
  pointer-events:none;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  position:relative;
  z-index:2;
}
.stat-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(6px);
  border-radius:var(--radius);
  padding:34px 24px;
  text-align:center;
  transition:var(--transition);
}
.stat-card:hover{
  background:rgba(255,255,255,.1);
  transform:translateY(-4px);
  border-color:rgba(224,105,60,.4);
}
.stat-card .icon{
  font-size:26px;
  color:var(--accent);
  margin-bottom:12px;
}
.stat-card .num{
  font-size:40px;
  font-weight:800;
  color:#fff;
  font-family:var(--font-mono);
  letter-spacing:-.02em;
  line-height:1.2;
}
.stat-card .label{
  font-size:14px;
  color:rgba(255,255,255,.6);
  margin-top:8px;
}

/* ===== 深度图文区 ===== */
.feature-block{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:50px;
  align-items:center;
  background:var(--card);
  border-radius:calc(var(--radius) + 4px);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
}
.feature-media{
  position:relative;
  height:100%;
  min-height:320px;
}
.feature-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.feature-media::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(18,30,51,.2),transparent 30%);
}
.feature-content{
  padding:48px 40px 48px 0;
}
.feature-content .badge{margin-bottom:14px}
.feature-content h3{
  font-size:clamp(22px,3vw,32px);
  font-weight:800;
  line-height:1.4;
  color:var(--primary);
  margin-bottom:16px;
}
.feature-content p{
  color:var(--text-light);
  line-height:1.9;
  margin-bottom:22px;
}
.feature-points{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-bottom:28px;
}
.feature-points li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:15px;
  color:var(--text);
}
.feature-points li i{
  color:var(--accent);
  font-size:16px;
  margin-top:3px;
  flex-shrink:0;
}

/* ===== FAQ ===== */
.faq-list{
  max-width:800px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:rgba(224,105,60,.3);
  box-shadow:var(--shadow);
}
.faq-item summary{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:22px 28px;
  cursor:pointer;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  list-style:none;
  transition:var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  color:var(--accent);
  font-size:15px;
  transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item[open] summary .faq-icon{
  transform:rotate(45deg);
}
.faq-item[open] summary{
  color:var(--accent);
}
.faq-item .faq-answer{
  padding:0 28px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-light);
  border-top:1px dashed var(--border);
  margin-top:2px;
  padding-top:18px;
}

/* ===== CTA ===== */
.cta-section{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  position:relative;
  overflow:hidden;
  color:#fff;
}
.cta-section::before{
  content:'';
  position:absolute;
  top:-60%;
  left:30%;
  width:500px;
  height:500px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,105,60,.25),transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  padding:70px 24px;
}
.cta-inner h2{
  font-size:clamp(26px,4vw,40px);
  font-weight:800;
  margin-bottom:14px;
  letter-spacing:-.01em;
}
.cta-inner p{
  font-size:16px;
  color:rgba(255,255,255,.7);
  max-width:520px;
  margin-bottom:34px;
}
.cta-btns{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  justify-content:center;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.7);
  padding-top:60px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:50px;
  padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  margin-bottom:18px;
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.55);
  max-width:340px;
  margin-bottom:12px;
}
.footer-note{
  font-size:13px;
  color:rgba(255,255,255,.4);
  border-left:3px solid var(--accent);
  padding-left:14px;
  line-height:1.6;
}
.footer-title{
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:20px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.55);
  transition:var(--transition);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:6px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding:24px 0;
  font-size:13px;
  color:rgba(255,255,255,.35);
}

/* ===== 移动端菜单 ===== */
@media (max-width:1024px){
  .hero-inner{
    grid-template-columns:1fr;
  }
  .hero-meta{
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
  }
  .news-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .feature-block{
    grid-template-columns:1fr;
  }
  .feature-content{
    padding:32px 28px;
  }
  .feature-media{
    min-height:240px;
  }
  .stats-grid{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
}

@media (max-width:768px){
  :root{
    --space-section:56px;
    --space-sm:28px;
  }
  .header-top{
    height:62px;
  }
  .brand-text{
    font-size:18px;
  }
  .search-box{
    display:none;
  }
  .nav-toggle{
    display:flex;
  }
  .header-nav{
    display:none;
    border-top:none;
  }
  .header-nav.open{
    display:block;
  }
  .header-nav.open .nav-scroll{
    flex-direction:column;
    padding:12px 24px 20px;
    overflow-x:visible;
  }
  .header-nav.open .nav-link{
    padding:12px 16px;
    border-radius:10px;
    justify-content:space-between;
  }
  .header-nav.open .nav-link::after{
    display:none;
  }
  .header-nav.open .nav-link.active{
    background:rgba(224,105,60,.15);
  }
  .header-nav.open .nav-link:hover{
    background:rgba(255,255,255,.1);
  }
  .page-hero{
    padding:60px 0 70px;
  }
  .hero-meta{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    width:100%;
  }
  .hero-meta-card .num{
    font-size:22px;
  }
  .news-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .news-flash-item{
    flex-wrap:wrap;
    gap:10px;
  }
  .news-flash-item .title{
    flex-basis:100%;
    white-space:normal;
  }
  .news-flash-item .arrow{
    display:none;
  }
  .stats-grid{
    grid-template-columns:repeat(2,1fr);
    gap:14px;
  }
  .stat-card{
    padding:24px 16px;
  }
  .stat-card .num{
    font-size:28px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
  .cta-inner{
    padding:48px 20px;
  }
}

@media (max-width:520px){
  .container{
    padding:0 16px;
  }
  .nav-scroll{
    padding:0 16px;
  }
  .hero-meta{
    grid-template-columns:1fr 1fr;
  }
  .hero-content h1{
    font-size:28px;
  }
  .hero-btns{
    flex-direction:column;
  }
  .hero-btns .btn{
    width:100%;
  }
  .section-head h2{
    font-size:24px;
  }
  .stats-grid{
    grid-template-columns:1fr 1fr;
  }
  .faq-item summary{
    font-size:15px;
    padding:18px 20px;
  }
  .faq-item .faq-answer{
    padding:14px 20px 20px;
  }
  .cta-btns{
    flex-direction:column;
    width:100%;
  }
  .cta-btns .btn{
    width:100%;
  }
}

@media (min-width:769px){
  .header-nav{
    display:block;
  }
}

/* 辅助 */
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}