/* roulang page: index */
:root {
  --primary: #c2410c;
  --primary-dark: #9a3412;
  --primary-light: #fdba74;
  --accent: #4d7c0f;
  --accent-light: #a3e635;
  --bg: #faf7f2;
  --bg-deep: #1c1917;
  --surface: #fffdf9;
  --surface-alt: #f5efe6;
  --text: #292524;
  --text-weak: #78716c;
  --border: #ddd3c1;
  --border-strong: #a8a29e;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --transition: all 0.3s ease;
}
html {
  scroll-behavior: smooth;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input, textarea {
  font-family: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 72px 0;
}
.section-alt {
  background: var(--surface-alt);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(194, 65, 12, 0.08);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin: 14px auto 0;
}
.section-head p {
  color: var(--text-weak);
  font-size: 16px;
  margin-top: 14px;
}

/* ===== 顶部信息条 ===== */
.info-bar {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  padding: 8px 0;
}
.info-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.info-bar .domain {
  font-weight: 500;
  letter-spacing: 0.5px;
}
.info-bar .slogan {
  display: flex;
  align-items: center;
  gap: 6px;
}
.info-bar .slogan i {
  color: var(--accent-light);
}
.info-bar .actions {
  display: flex;
  gap: 16px;
}
.info-bar .actions a {
  color: rgba(255, 255, 255, 0.85);
}
.info-bar .actions a:hover {
  color: #fff;
}

/* ===== 主导航 ===== */
.main-nav {
  background: var(--surface);
  border-bottom: 2px solid var(--bg-deep);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 74px;
}
.logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.logo .logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 999px;
  position: relative;
}
.nav-links a:hover {
  background: rgba(194, 65, 12, 0.08);
  color: var(--primary);
}
.nav-links a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(194, 65, 12, 0.3);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 999px;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(194, 65, 12, 0.3);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(194, 65, 12, 0.4);
}
.btn-outline {
  border-color: var(--border-strong);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(194, 65, 12, 0.04);
}
.btn-light {
  background: #fff;
  color: var(--text);
}
.btn-light:hover {
  background: var(--surface-alt);
  transform: translateY(-2px);
}
.btn:focus-visible, .nav-links a:focus-visible, a:focus-visible {
  outline: 3px solid rgba(194, 65, 12, 0.4);
  outline-offset: 2px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}
.mobile-menu a:hover {
  background: var(--surface-alt);
}
.mobile-menu a.active {
  background: var(--primary);
  color: #fff;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: #fff;
  padding: 120px 0 100px;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(28, 25, 23, 0.88) 0%, rgba(28, 25, 23, 0.65) 50%, rgba(28, 25, 23, 0.4) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.15);
}
.hero .container {
  position: relative;
  z-index: 2;
  max-width: 1100px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero-badge i {
  color: var(--accent-light);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.hero h1 .highlight {
  color: var(--primary-light);
  position: relative;
}
.hero p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}
.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-meta i {
  color: var(--accent-light);
}

/* ===== 核心说明 ===== */
.intro-section {
  background: var(--bg);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.intro-content h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 16px;
}
.intro-content h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}
.intro-content p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 16px;
}
.intro-content .intro-list {
  list-style: none;
  margin-top: 20px;
  display: grid;
  gap: 12px;
}
.intro-content .intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.intro-content .intro-list li i {
  color: var(--accent);
  margin-top: 4px;
}
.intro-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--border);
  transform: rotate(-1deg);
  transition: var(--transition);
}
.intro-image:hover {
  transform: rotate(0deg) scale(1.01);
}
.intro-image::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 6px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  z-index: 1;
  pointer-events: none;
}
.intro-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.intro-image .intro-caption {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(28, 25, 23, 0.75);
  color: #fff;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  backdrop-filter: blur(6px);
  z-index: 2;
}

/* ===== 分类入口 ===== */
.categories-section {
  background: var(--surface-alt);
  border-top: 2px dashed var(--border);
  border-bottom: 2px dashed var(--border);
}
.cats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.cat-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.cat-card .cat-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.cat-card .cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.cat-card:hover .cat-img img {
  transform: scale(1.05);
}
.cat-card .cat-img::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(28, 25, 23, 0.4));
}
.cat-card .cat-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(194, 65, 12, 0.3);
}
.cat-card .cat-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.cat-card .cat-body h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}
.cat-card .cat-body p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
  flex: 1;
  margin-bottom: 20px;
}
.cat-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cat-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* ===== 最新资讯 ===== */
.news-section {
  background: var(--bg);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-left-color: var(--primary-dark);
}
.news-card .news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(194, 65, 12, 0.08);
  padding: 2px 10px;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 12px;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .news-desc {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.news-card .news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-weak);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.news-card .news-meta .more-link {
  color: var(--primary);
  font-weight: 600;
}
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 24px;
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-weak);
  font-size: 16px;
}

/* ===== 数据统计 ===== */
.stats-section {
  background: var(--bg-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  top: -80px;
  left: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.1);
}
.stats-section .section-head h2 {
  color: #fff;
}
.stats-section .section-head h2::after {
  background: var(--primary-light);
}
.stats-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-card {
  text-align: center;
  padding: 32px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.stat-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}
.stat-card .stat-num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-card .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}

/* ===== 使用流程 ===== */
.steps-section {
  background: var(--surface-alt);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.steps-grid::before {
  content: "";
  position: absolute;
  top: 48px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.step-card {
  text-align: center;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(194, 65, 12, 0.35);
  border: 4px solid var(--surface-alt);
}
.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--primary-light);
}
.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(194, 65, 12, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item[open] summary .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-item .faq-answer {
  padding: 0 24px 20px 60px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.9;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  position: relative;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(28, 25, 23, 0.82);
}
.cta-box {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.cta-box h2 {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto 32px;
}
.cta-box .cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
  border-top: 4px solid var(--primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand .footer-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-brand .footer-logo .logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
}
.footer-col ul {
  list-style: none;
  display: grid;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}
.footer-col ul a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .intro-grid {
    gap: 32px;
  }
  .intro-image img {
    height: 300px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    gap: 20px;
  }
  .stat-card .stat-num {
    font-size: 36px;
  }
  .steps-grid {
    gap: 16px;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .section {
    padding: 56px 0;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .info-bar .slogan {
    display: none;
  }
  .nav-links, .main-nav .btn {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .hero {
    padding: 80px 0 60px;
    min-height: auto;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero p {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .intro-grid {
    grid-template-columns: 1fr;
  }
  .intro-image {
    transform: none;
    order: -1;
  }
  .intro-image img {
    height: 220px;
  }
  .cats-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 20px;
  }
  .steps-grid::before {
    display: none;
  }
  .cta-box h2 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .info-bar .actions {
    display: none;
  }
  .info-bar .container {
    justify-content: center;
  }
  .hero h1 {
    font-size: 26px;
  }
  .hero-meta {
    flex-direction: column;
    gap: 8px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .faq-item summary {
    font-size: 15px;
    padding: 16px 18px;
  }
  .faq-item .faq-answer {
    padding: 0 18px 16px 18px;
  }
  .cta-box .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: category1 */
:root {
  --c-primary: #c17748;
  --c-primary-dark: #9e5a32;
  --c-secondary: #4f6b57;
  --c-bg: #f7f1e8;
  --c-surface: #fffaf2;
  --c-ink: #2e2015;
  --c-ink-soft: #736459;
  --c-border: #e5d6c4;
  --c-dark: #2a1f17;
  --c-brick: #b34a3c;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 6px 28px rgba(46, 32, 21, 0.08);
  --shadow-lg: 0 14px 42px rgba(46, 32, 21, 0.12);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, "Times New Roman", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.28s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--c-bg);
  color: var(--c-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(193, 119, 72, 0.45);
  outline-offset: 3px;
}

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

@media (max-width: 640px) {
  .container { padding-inline: 18px; }
}

/* ===== 顶部信息条 ===== */
.top-info {
  background: var(--c-dark);
  color: #ddd2c6;
  font-size: 13px;
  padding: 8px 0;
  letter-spacing: 0.02em;
  border-bottom: 2px solid rgba(193, 119, 72, 0.5);
}

.top-info-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.top-info .info-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-info .info-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--c-primary);
  border-radius: 50%;
  display: inline-block;
}

/* ===== 主导航栏 ===== */
.site-header {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 18px rgba(46, 32, 21, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 20px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--c-ink);
}

.logo-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 20px;
  border-radius: 10px;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.15), 0 3px 8px rgba(193,119,72,0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  position: relative;
  font-size: 16px;
  font-weight: 500;
  padding: 8px 2px;
  color: var(--c-ink-soft);
}

.nav-links a:hover {
  color: var(--c-primary-dark);
}

.nav-links a.active {
  color: var(--c-ink);
  font-weight: 700;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: var(--c-primary);
  border-radius: 99px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 20px;
  color: var(--c-ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle:hover {
  background: var(--c-bg);
  border-color: var(--c-primary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 4px;
    border-bottom: 1px dashed var(--c-border);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links a.active::after {
    display: none;
  }

  .nav-links a.active {
    color: var(--c-primary-dark);
  }

  .nav-toggle {
    display: inline-flex;
  }
}

/* ===== Hero 页头 ===== */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 92px 0 78px;
  color: #fff;
  isolation: isolate;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(42, 31, 23, 0.9) 20%, rgba(42, 31, 23, 0.55) 70%, rgba(42, 31, 23, 0.25));
  z-index: -1;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 22px 22px;
  z-index: -1;
}

.hero-inner {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 250, 242, 0.12);
  border: 1px solid rgba(255, 250, 242, 0.25);
  backdrop-filter: blur(8px);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #f3e8dc;
  margin-bottom: 22px;
}

.hero-badge::before {
  content: "✦";
  color: var(--c-primary);
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.18;
  margin-bottom: 16px;
  font-weight: 800;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}

.page-hero .hero-desc {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 30px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  line-height: 1.2;
}

.btn-primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(193, 119, 72, 0.35);
}

.btn-primary:hover {
  background: var(--c-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(193, 119, 72, 0.4);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--c-dark);
  color: #fff;
}

.btn-dark:hover {
  background: #1d150e;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(42, 31, 23, 0.3);
}

.btn-light {
  background: var(--c-surface);
  color: var(--c-ink);
}

.btn-light:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(46, 32, 21, 0.12);
}

/* ===== 通用板块 ===== */
.section {
  padding: 84px 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-primary);
  text-transform: uppercase;
  background: rgba(193, 119, 72, 0.1);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--c-ink);
  position: relative;
  display: inline-block;
}

.section-head h2::after {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  background: var(--c-primary);
  border-radius: 99px;
  margin: 14px auto 0;
}

.section-head p {
  color: var(--c-ink-soft);
  font-size: 16px;
  margin-top: 14px;
}

/* ===== 卡片 ===== */
.card-grid {
  display: grid;
  gap: 26px;
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 1024px) {
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .card-grid-2, .card-grid-3 { grid-template-columns: 1fr; }
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(193, 119, 72, 0.2);
  border-radius: 10px;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(193, 119, 72, 0.35);
}

.card-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(193,119,72,0.14), rgba(79,107,87,0.1));
  border-radius: 14px;
  font-size: 24px;
  margin-bottom: 18px;
  color: var(--c-primary);
}

.card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  font-family: var(--font-serif);
}

.card p {
  color: var(--c-ink-soft);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 16px;
  flex: 1;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.card-link:hover {
  color: var(--c-primary-dark);
  gap: 9px;
}

/* 带图片的内容卡片 */
.media-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.media-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.media-card .media-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--c-border);
}

.media-card .media-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.media-card:hover .media-img img {
  transform: scale(1.05);
}

.media-card .media-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(42,31,23,0.1), transparent 50%);
}

.media-card .media-body {
  padding: 24px;
}

.media-card .media-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.media-card .media-body p {
  color: var(--c-ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 步骤 ===== */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

@media (max-width: 1024px) {
  .steps-wrap { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .steps-wrap { grid-template-columns: 1fr; }
}

.step-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.step-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.step-num {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 18px;
  border-radius: 50%;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.12), 0 4px 12px rgba(193,119,72,0.3);
}

.step-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  color: var(--c-ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 深色区块 ===== */
.dark-section {
  background: var(--c-dark);
  color: #f3e8dc;
  position: relative;
  overflow: hidden;
}

.dark-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(193, 119, 72, 0.12);
}

.dark-section .section-head h2 {
  color: #fff;
}

.dark-section .section-head p {
  color: rgba(243, 232, 220, 0.72);
}

.tip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  position: relative;
  z-index: 1;
}

@media (max-width: 1024px) {
  .tip-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .tip-grid { grid-template-columns: 1fr; }
}

.tip-card {
  background: rgba(255, 250, 242, 0.06);
  border: 1px solid rgba(255, 250, 242, 0.12);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.tip-card:hover {
  background: rgba(255, 250, 242, 0.1);
  transform: translateY(-4px);
}

.tip-card .tip-icon {
  font-size: 28px;
  margin-bottom: 12px;
  display: block;
}

.tip-card h3 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.tip-card p {
  color: rgba(243, 232, 220, 0.72);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 清单 ===== */
.check-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 44px;
  align-items: center;
}

@media (max-width: 768px) {
  .check-grid { grid-template-columns: 1fr; }
}

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.check-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  padding: 18px 20px;
  transition: var(--transition);
}

.check-list li:hover {
  box-shadow: var(--shadow);
  border-color: rgba(193, 119, 72, 0.3);
  transform: translateX(4px);
}

.check-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(79, 107, 87, 0.12);
  color: var(--c-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
}

.check-list strong {
  display: block;
  font-size: 16px;
  margin-bottom: 2px;
}

.check-list span {
  color: var(--c-ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.check-img-box {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.check-img-box img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.check-img-box:hover img {
  transform: scale(1.03);
}

.check-img-box .img-caption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(42, 31, 23, 0.78);
  color: #f3e8dc;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.12);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(193, 119, 72, 0.3);
  box-shadow: var(--shadow);
}

.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 26px;
  color: var(--c-primary);
  font-weight: 400;
  line-height: 1;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item .faq-answer {
  padding: 0 24px 22px;
  color: var(--c-ink-soft);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px dashed var(--c-border);
  margin: 0 20px;
  padding: 16px 0 20px;
}

/* ===== CTA ===== */
.cta-wrap {
  position: relative;
  background: linear-gradient(105deg, var(--c-primary-dark), var(--c-primary));
  border-radius: 24px;
  padding: 54px 48px;
  color: #fff;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(193, 119, 72, 0.35);
  text-align: center;
}

.cta-wrap::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(255,255,255,0.35);
  border-radius: 18px;
  pointer-events: none;
}

.cta-wrap::after {
  content: "✦";
  position: absolute;
  font-size: 180px;
  opacity: 0.1;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  line-height: 1;
}

.cta-wrap h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.4vw, 36px);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-wrap p {
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto 28px;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.cta-wrap .cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

@media (max-width: 640px) {
  .cta-wrap { padding: 40px 24px; }
  .cta-wrap::after { display: none; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--c-dark);
  color: #b8a99a;
  padding: 60px 0 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  max-width: 320px;
  color: #b8a99a;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: #b8a99a;
  font-size: 14px;
}

.footer-col ul a:hover {
  color: var(--c-primary);
  padding-left: 4px;
}

.footer-col ul span {
  color: #8b7e72;
  font-size: 14px;
}

.footer-bottom {
  padding: 22px 0 26px;
  text-align: center;
  font-size: 13px;
  color: #8b7e72;
}

.footer-bottom p {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: rgba(255,255,255,0.85);
}

.breadcrumb a:hover {
  color: var(--c-primary);
}

.breadcrumb .sep {
  color: rgba(255,255,255,0.4);
}

.breadcrumb .current {
  color: #fff;
  font-weight: 600;
}

/* ===== 装饰分隔 ===== */
.divider-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 30px 0;
}

.divider-dots span {
  width: 6px;
  height: 6px;
  background: var(--c-primary);
  border-radius: 50%;
  opacity: 0.5;
}

.divider-dots span:nth-child(2) {
  opacity: 0.8;
  width: 10px;
  height: 10px;
}

/* ===== 响应式杂项 ===== */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .page-hero { padding: 64px 0 54px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

/* roulang page: category2 */
:root {
    --primary: #2e3b30;
    --primary-dark: #1e2920;
    --primary-light: #42594a;
    --secondary: #d08a3c;
    --secondary-dark: #b5732c;
    --secondary-light: #e8a85c;
    --paper: #f7f2e9;
    --paper-light: #fffdf8;
    --ink: #2a2e28;
    --ink-weak: #6b7268;
    --line: #ddd2c0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 6px 24px rgba(40, 45, 38, 0.08);
    --shadow-lg: 0 16px 48px rgba(40, 45, 38, 0.13);
    --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    --font-serif: "Songti SC", "Noto Serif SC", "SimSun", serif;
  }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
  .font-serif { font-family: var(--font-serif); }

  /* 顶部信息条 */
  .top-info {
    background: var(--primary-dark);
    color: #e9e4d8;
    font-size: 13px;
    border-bottom: 2px solid var(--secondary);
  }
  .top-info-inner { display: flex; align-items: center; justify-content: space-between; min-height: 38px; }
  .top-info a { color: var(--secondary-light); font-weight: 500; transition: opacity 0.2s; }
  .top-info a:hover { opacity: 0.8; }

  /* 头部导航 */
  .site-header {
    background: var(--paper-light);
    border-bottom: 1px solid var(--line);
    position: sticky; top: 0; z-index: 50;
    box-shadow: 0 2px 12px rgba(40,45,38,0.04);
  }
  .header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 20px; }
  .site-logo {
    display: inline-flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--ink);
    font-weight: 700; font-size: 22px; letter-spacing: 0.5px;
  }
  .site-logo:hover { color: var(--primary); }
  .logo-mark {
    width: 42px; height: 42px; border-radius: 12px;
    background: var(--primary); color: var(--secondary-light);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 800;
    box-shadow: inset 0 0 0 2px var(--secondary-light);
    flex-shrink: 0;
  }
  .nav-links { display: flex; align-items: center; gap: 6px; }
  .nav-links a {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 18px; border-radius: 999px;
    text-decoration: none; color: var(--ink-weak);
    font-size: 15px; font-weight: 500;
    transition: all 0.22s ease;
    border: 1px solid transparent;
  }
  .nav-links a:hover { color: var(--primary); background: rgba(46,59,48,0.06); }
  .nav-links a.active {
    color: var(--paper-light); background: var(--primary);
    box-shadow: 0 4px 14px rgba(46,59,48,0.25);
  }
  .nav-toggle {
    display: none; background: none; border: 1px solid var(--line);
    border-radius: 10px; width: 44px; height: 44px;
    font-size: 20px; color: var(--ink); cursor: pointer;
    transition: all 0.2s;
  }
  .nav-toggle:hover { background: var(--paper); border-color: var(--secondary); }

  /* Hero 横幅 */
  .page-hero {
    position: relative;
    padding: 88px 0 72px;
    background: linear-gradient(118deg, rgba(30,41,32,0.92) 0%, rgba(46,59,48,0.78) 55%, rgba(36,48,38,0.66) 100%),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color: #f2eee4;
  }
  .page-hero::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px;
    background: repeating-linear-gradient(90deg, var(--secondary) 0 18px, transparent 18px 36px);
  }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.1); border: 1px solid rgba(232,168,92,0.4);
    color: var(--secondary-light); padding: 6px 16px; border-radius: 999px;
    font-size: 13px; letter-spacing: 1px; margin-bottom: 20px;
  }
  .page-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(30px, 4.2vw, 48px);
    font-weight: 800; line-height: 1.25; color: #fff;
    margin-bottom: 16px; letter-spacing: 1px;
  }
  .page-hero .hero-sub { font-size: 16px; color: #d9d2c1; max-width: 640px; line-height: 1.85; }
  .hero-crumbs { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #b5ac99; }
  .hero-crumbs a { color: var(--secondary-light); text-decoration: none; }
  .hero-crumbs a:hover { text-decoration: underline; }
  .hero-crumbs span.sep { opacity: 0.5; }

  /* 通用标题区 */
  .section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
  .section-tag {
    display: inline-block; padding: 5px 16px; border-radius: 999px;
    border: 1px solid var(--secondary); color: var(--secondary-dark);
    font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
    background: rgba(208,138,60,0.08); margin-bottom: 14px;
  }
  .section-title { font-family: var(--font-serif); font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; line-height: 1.3; letter-spacing: 0.5px; }
  .section-sub { color: var(--ink-weak); margin-top: 12px; font-size: 15px; }

  /* 图文介绍区 */
  .intro-block { display: grid; grid-template-columns: 1.06fr 0.94fr; gap: 48px; align-items: center; }
  .intro-content .lead { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 14px; }
  .intro-content p { color: var(--ink-weak); margin-bottom: 16px; }
  .intro-points { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
  .intro-points li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); font-size: 14px; }
  .intro-points li i { color: var(--secondary); margin-top: 5px; flex-shrink: 0; }
  .intro-img {
    position: relative; border-radius: var(--radius);
    overflow: hidden; border: 2px solid var(--line);
    box-shadow: var(--shadow-lg);
  }
  .intro-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .intro-img::after {
    content: '入口导航 · 持续更新';
    position: absolute; left: 14px; bottom: 14px;
    background: rgba(30,41,32,0.82); color: var(--secondary-light);
    padding: 6px 14px; border-radius: 999px; font-size: 12px;
    border: 1px solid rgba(232,168,92,0.4);
  }

  /* 入口卡片网格 */
  .entry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .entry-card {
    background: var(--paper-light);
    border: 2px solid var(--line); border-radius: var(--radius);
    padding: 26px 22px; text-decoration: none; color: var(--ink);
    display: block; position: relative; overflow: hidden;
    transition: all 0.28s ease;
  }
  .entry-card::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
    background: var(--secondary); opacity: 0; transition: opacity 0.28s;
  }
  .entry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }
  .entry-card:hover::before { opacity: 1; }
  .entry-card .card-icon {
    width: 54px; height: 54px; border-radius: 14px;
    background: rgba(46,59,48,0.08); color: var(--primary);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 18px; transition: all 0.28s;
  }
  .entry-card:hover .card-icon { background: var(--primary); color: var(--secondary-light); }
  .entry-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
  .entry-card p { font-size: 14px; color: var(--ink-weak); margin-bottom: 16px; line-height: 1.7; }
  .entry-card .card-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--secondary-dark); font-weight: 600; }
  .entry-card:hover .card-link i { transform: translateX(4px); }
  .entry-card .card-link i { transition: transform 0.2s; }

  /* 流程步骤 */
  .steps-section { background: var(--primary-dark); color: #ece6d8; position: relative; overflow: hidden; }
  .steps-section::before {
    content: ''; position: absolute; top: -80px; right: -60px; width: 240px; height: 240px;
    border-radius: 50%; border: 2px dashed rgba(232,168,92,0.2);
  }
  .steps-section .section-tag { border-color: var(--secondary-light); color: var(--secondary-light); }
  .steps-section .section-sub { color: #a79d87; }
  .steps-section .section-title { color: #f2eee4; }
  .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
  .step-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius); padding: 26px 20px;
    position: relative; transition: all 0.28s;
  }
  .step-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
  .step-num {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--secondary); color: var(--primary-dark);
    font-weight: 800; font-size: 16px; display: inline-flex;
    align-items: center; justify-content: center; margin-bottom: 16px;
    box-shadow: 0 0 0 4px rgba(208,138,60,0.2);
  }
  .step-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: #fff; }
  .step-card p { font-size: 14px; color: #b7ae9a; line-height: 1.7; }

  /* 数据条 */
  .stats-band { background: var(--secondary); color: var(--primary-dark); padding: 44px 0; }
  .stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
  .stat-item .num { font-family: var(--font-serif); font-size: 38px; font-weight: 800; line-height: 1.1; }
  .stat-item .label { font-size: 14px; margin-top: 6px; opacity: 0.8; }

  /* 横向场景分区 */
  .scene-list { display: grid; gap: 20px; }
  .scene-card {
    display: grid; grid-template-columns: 56px 1fr auto; gap: 20px;
    background: var(--paper-light); border: 2px solid var(--line);
    border-radius: var(--radius); padding: 24px 28px;
    align-items: center; transition: all 0.25s;
  }
  .scene-card:hover { border-color: var(--secondary); box-shadow: var(--shadow); transform: translateX(6px); }
  .scene-card .scene-icon { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; background: rgba(46,59,48,0.08); color: var(--primary); }
  .scene-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
  .scene-card p { font-size: 14px; color: var(--ink-weak); }
  .scene-card .scene-go { color: var(--secondary-dark); font-size: 18px; text-decoration: none; transition: transform 0.2s; }
  .scene-card:hover .scene-go { transform: translateX(4px); }

  /* FAQ */
  .faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }
  .faq-item { background: var(--paper-light); border: 2px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; transition: all 0.25s; }
  .faq-item:hover { border-color: var(--secondary); }
  .faq-item summary {
    list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px; font-weight: 600; font-size: 15px; gap: 16px;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary .faq-icon { color: var(--secondary); font-size: 16px; transition: transform 0.3s; flex-shrink: 0; }
  .faq-item[open] summary .faq-icon { transform: rotate(180deg); }
  .faq-item .faq-body { padding: 0 24px 20px; color: var(--ink-weak); font-size: 14px; line-height: 1.8; }

  /* CTA */
  .cta-section { position: relative; background: var(--paper); padding: 70px 0; }
  .cta-box {
    background: var(--primary); color: #f2eee4; border-radius: 24px;
    padding: 48px 40px; text-align: center; position: relative; overflow: hidden;
    box-shadow: var(--shadow-lg);
  }
  .cta-box::before {
    content: ''; position: absolute; top: -50px; right: -30px; width: 180px; height: 180px;
    border-radius: 50%; border: 3px dotted rgba(232,168,92,0.3);
  }
  .cta-box h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; font-family: var(--font-serif); }
  .cta-box p { color: #c4bba7; max-width: 560px; margin: 0 auto 24px; }
  .btn-cta {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--secondary); color: var(--primary-dark);
    font-weight: 700; padding: 14px 34px; border-radius: 999px;
    text-decoration: none; font-size: 16px; border: 2px solid var(--secondary-light);
    transition: all 0.25s;
  }
  .btn-cta:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(208,138,60,0.35); }
  .btn-cta:focus-visible, .faq-item summary:focus-visible, .nav-links a:focus-visible, .nav-toggle:focus-visible {
    outline: 3px solid var(--secondary); outline-offset: 2px;
  }

  /* 页脚 */
  .site-footer { background: var(--primary-dark); color: #c7c0ae; font-size: 14px; margin-top: 0; }
  .site-footer .container { padding-top: 52px; padding-bottom: 24px; }
  .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .footer-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 19px; font-weight: 700; text-decoration: none; margin-bottom: 14px; }
  .footer-logo .logo-mark { width: 36px; height: 36px; font-size: 18px; border-radius: 10px; }
  .footer-brand p { line-height: 1.8; color: #9a927f; max-width: 360px; }
  .footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 14px; letter-spacing: 1px; }
  .footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
  .footer-col a, .footer-col span { color: #9a927f; text-decoration: none; transition: color 0.2s; }
  .footer-col a:hover { color: var(--secondary-light); }
  .footer-bottom { padding-top: 20px; text-align: center; font-size: 13px; color: #76705f; }

  /* 响应式 */
  @media (max-width: 1024px) {
    .entry-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .intro-block { gap: 32px; }
  }
  @media (max-width: 768px) {
    .container { padding: 0 18px; }
    .top-info-inner { justify-content: center; }
    .top-info .top-info-link { display: none; }
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .nav-links {
      display: none; position: absolute; top: 100%; left: 0; right: 0;
      background: var(--paper-light); border-bottom: 2px solid var(--line);
      padding: 16px 20px; flex-direction: column; align-items: stretch;
      box-shadow: var(--shadow-lg); gap: 4px;
    }
    .nav-links.open { display: flex; }
    .nav-links a { justify-content: center; padding: 12px 18px; }
    .header-inner { min-height: 68px; }
    .intro-block { grid-template-columns: 1fr; }
    .scene-card { grid-template-columns: 1fr; text-align: left; }
    .scene-card .scene-go { display: none; }
    .stats-band .container { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .page-hero { padding: 64px 0 52px; }
  }
  @media (max-width: 520px) {
    .entry-grid, .steps-grid { grid-template-columns: 1fr; }
    .stats-band .container { grid-template-columns: 1fr 1fr; gap: 18px; }
    .stat-item .num { font-size: 30px; }
    .cta-box { padding: 36px 22px; }
    .cta-box h2 { font-size: 22px; }
  }

/* roulang page: article */
:root {
    --primary: #4a5a4a;
    --secondary: #b08968;
    --accent: #c17f59;
    --bg: #f5f0e8;
    --ink: #3d3732;
    --ink-light: #6b625a;
    --border: #c9b8a8;
    --dark: #2d2a26;
    --radius: 6px;
    --shadow: 0 4px 20px rgba(45, 42, 38, 0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
    background-color: var(--bg);
    color: var(--ink);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button { font-family: inherit; }

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

/* 顶部信息条 */
.top-bar {
    background: var(--dark);
    color: #d8cfc4;
    font-size: 13px;
    padding: 7px 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.top-bar a { color: #d8cfc4; }
.top-bar a:hover { color: #fff; }

/* 主导航 */
.site-header {
    background: rgba(245,240,232,0.96);
    backdrop-filter: blur(12px);
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 16px;
}
.logo {
    font-size: 21px;
    font-weight: 900;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 1px;
    white-space: nowrap;
}
.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: #f5f0e8;
    border-radius: 50%;
    font-size: 18px;
    font-weight: 900;
    box-shadow: 2px 2px 0 var(--border);
    flex-shrink: 0;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
}
.nav-links a {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    padding: 6px 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}
.nav-links a.active {
    color: var(--accent);
    font-weight: 700;
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--primary);
    color: #f5f0e8 !important;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    transition: background 0.3s ease, transform 0.2s ease;
}
.nav-cta:hover {
    background: var(--accent);
    transform: translateY(-1px);
}
.nav-cta::after { display: none; }
.menu-toggle {
    display: none;
    background: none;
    border: 2px solid var(--border);
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 20px;
    color: var(--ink);
    cursor: pointer;
    line-height: 1;
}

/* 页面标题区 */
.page-hero {
    position: relative;
    background: linear-gradient(135deg, #2d2a26 0%, #4a3a30 55%, #5a4a3a 100%);
    color: #f5f0e8;
    padding: 80px 0 56px;
    overflow: hidden;
    border-bottom: 4px double var(--border);
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: 0.32;
}
.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: repeating-linear-gradient(90deg, var(--accent) 0 12px, transparent 12px 24px);
    opacity: 0.5;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb {
    font-size: 13px;
    color: rgba(245,240,232,0.7);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.breadcrumb a { color: rgba(245,240,232,0.7); }
.breadcrumb a:hover { color: #fff; }
.page-hero h1 {
    font-size: 34px;
    font-weight: 900;
    line-height: 1.45;
    max-width: 820px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.page-hero .subtitle {
    font-size: 15px;
    opacity: 0.85;
    max-width: 640px;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 22px;
    flex-wrap: wrap;
    color: rgba(245,240,232,0.8);
    font-size: 14px;
}
.article-meta .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    background: rgba(245,240,232,0.14);
    border: 1px solid rgba(245,240,232,0.3);
    border-radius: 20px;
    font-size: 12px;
    backdrop-filter: blur(4px);
}

/* 文章主体 */
.article-wrap { padding: 80px 0 88px; }
.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: start;
}
.article-main { max-width: 760px; min-width: 0; }
.article-paper {
    background: #fffdf8;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 48px;
    box-shadow: 8px 8px 0 rgba(201,184,168,0.3);
    position: relative;
}
.article-paper::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 14px;
    right: 14px;
    bottom: 14px;
    border: 1px dashed rgba(201,184,168,0.4);
    border-radius: 6px;
    pointer-events: none;
}
.article-paper .article-inner {
    position: relative;
    z-index: 1;
    font-size: 16px;
    line-height: 2;
    color: var(--ink);
}
.article-paper .article-inner h2 {
    font-size: 24px;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--primary);
    border-bottom: 2px solid var(--border);
    padding-bottom: 10px;
}
.article-paper .article-inner h3 {
    font-size: 20px;
    font-weight: 700;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--ink);
}
.article-paper .article-inner p { margin-bottom: 16px; }
.article-paper .article-inner ul,
.article-paper .article-inner ol {
    margin-bottom: 16px;
    padding-left: 24px;
    list-style: disc;
}
.article-paper .article-inner ol { list-style: decimal; }
.article-paper .article-inner li { margin-bottom: 8px; }
.article-paper .article-inner blockquote {
    border-left: 4px solid var(--accent);
    padding: 14px 20px;
    background: rgba(193,127,89,0.08);
    border-radius: 0 6px 6px 0;
    margin-bottom: 16px;
    font-style: italic;
}
.article-paper .article-inner img {
    border-radius: 8px;
    border: 2px solid var(--border);
    margin: 20px 0;
}
.article-paper .article-inner a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-paper .article-inner a:hover { color: var(--primary); }

/* 侧边栏 */
.article-side {
    position: sticky;
    top: 110px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.side-card {
    background: #fffdf8;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    box-shadow: 4px 4px 0 rgba(201,184,168,0.25);
}
.side-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 16px;
}
.side-list li {
    padding: 10px 0;
    border-bottom: 1px dashed rgba(201,184,168,0.4);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}
.side-list li:last-child { border-bottom: none; }
.side-list a {
    color: var(--ink);
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.side-list a:hover { color: var(--accent); }
.side-list .cat-tag {
    font-size: 12px;
    color: var(--ink-light);
    white-space: nowrap;
}
.side-card img {
    border-radius: 8px;
    border: 2px solid var(--border);
    margin-bottom: 12px;
    width: 100%;
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, #3a3a30 0%, #2d2a26 100%);
    color: #f5f0e8;
    padding: 64px 0;
    border-top: 4px double var(--border);
    position: relative;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: repeating-linear-gradient(90deg, var(--accent) 0 14px, transparent 14px 28px);
    opacity: 0.4;
}
.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-text h2 {
    font-size: 26px;
    font-weight: 900;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}
.cta-text p { opacity: 0.8; max-width: 480px; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}
.btn-primary {
    background: var(--accent);
    color: #fffdf8;
    box-shadow: 3px 3px 0 rgba(0,0,0,0.25);
    border-color: #8a5a3e;
}
.btn-primary:hover {
    background: #a96e4a;
    transform: translateY(-2px);
    box-shadow: 4px 4px 0 rgba(0,0,0,0.35);
    color: #fff;
}
.btn-primary:focus-visible {
    outline: 3px solid rgba(193,127,89,0.4);
    outline-offset: 2px;
}

/* 页脚 */
.site-footer {
    background: var(--dark);
    color: #c9c0b5;
    padding: 64px 0 0;
    border-top: 4px double var(--border);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}
.footer-logo {
    font-size: 20px;
    font-weight: 900;
    color: #f5f0e8;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
    max-width: 380px;
}
.footer-col h4 {
    color: #f5f0e8;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 2px;
    background: var(--accent);
}
.footer-col li {
    margin-bottom: 8px;
    font-size: 14px;
}
.footer-col a { color: #c9c0b5; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    opacity: 0.7;
}

/* 响应式 */
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-side { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .page-hero h1 { font-size: 30px; }
}
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 2px solid var(--border);
        padding: 16px 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        box-shadow: 0 16px 30px rgba(45,42,38,0.12);
    }
    .nav-links.open { display: flex; }
    .page-hero { padding: 56px 0 44px; }
    .page-hero h1 { font-size: 26px; }
    .article-paper { padding: 32px; }
    .article-wrap { padding: 56px 0 64px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .page-hero h1 { font-size: 22px; }
    .article-paper { padding: 20px; }
    .article-paper::before { top: 8px; left: 8px; right: 8px; bottom: 8px; }
    .article-paper .article-inner { font-size: 15px; }
    .logo { font-size: 18px; }
    .logo-mark { width: 34px; height: 34px; font-size: 15px; }
    .nav-wrap { padding: 12px 0; }
    .article-meta { gap: 10px; }
    .cta-text h2 { font-size: 22px; }
}