/* roulang page: index */
:root {
  --brand-red: #B23B2A;
  --brand-red-hover: #7E2B22;
  --dark-bg: #1F1B18;
  --page-bg: #F7F2E9;
  --card-bg: #FFFFFF;
  --title-color: #2C2623;
  --text-color: #3D3633;
  --text-secondary: #7C736A;
  --border-color: #E3D9CD;
  --gold-line: #B8936E;
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 24px;
  --shadow-default: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
  --transition: 0.2s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--page-bg);
  color: var(--text-color);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover, a:focus { color: var(--brand-red); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.row { max-width: 1200px; }
.section-head { margin-bottom: 48px; }
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  color: var(--title-color);
  line-height: 1.3;
  margin-bottom: 8px;
  position: relative;
  padding-bottom: 16px;
}
.section-head h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 2px;
  background: var(--gold-line);
}
.section-head p { color: var(--text-secondary); font-size: 15px; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-color);
  font-weight: 500;
  font-size: 14px;
  transition: color var(--transition), gap var(--transition);
}
.text-link:hover { color: var(--brand-red); gap: 12px; }
.text-link i { font-size: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.btn:active { transform: scale(0.98); }
.btn:focus {
  outline: 2px solid rgba(178, 59, 42, 0.45);
  outline-offset: 2px;
}
.btn-primary { background: var(--brand-red); color: #fff; }
.btn-primary:hover { background: var(--brand-red-hover); color: #fff; box-shadow: 0 4px 16px rgba(178,59,42,0.25); }
.btn-secondary { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.6); color: #fff; backdrop-filter: blur(4px); }
.btn-secondary:hover { background: rgba(247,242,233,0.18); border-color: #fff; color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-light { background: var(--card-bg); color: var(--title-color); border: 1px solid var(--border-color); }
.btn-light:hover { background: #F2EADD; border-color: var(--gold-line); color: var(--title-color); }

/* 导航 */
.site-header {
  background: rgba(247, 242, 233, 0.97);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 999;
  backdrop-filter: blur(8px);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.site-header.scrolled .hot-tags { display: none; }
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--brand-red);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(178,59,42,0.3);
}
.brand-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--title-color);
  letter-spacing: 0.5px;
}
.hot-tags { display: flex; gap: 8px; flex-wrap: nowrap; overflow: hidden; }
.hot-tag {
  background: #F2EADD;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  font-size: 13px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.hot-tag:hover { background: var(--brand-red); color: #fff; border-color: var(--brand-red); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-wrap input {
  width: 180px;
  padding: 8px 32px 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  background: #fff;
  font-size: 13px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-wrap input:focus {
  outline: none;
  border-color: var(--brand-red);
  box-shadow: 0 0 0 3px rgba(178,59,42,0.12);
}
.search-wrap i {
  position: absolute;
  right: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  pointer-events: none;
}
.header-bottom { border-top: 1px solid var(--border-color); }
.header-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.channels { display: flex; gap: 8px; }
.channel {
  display: inline-block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-color);
  border-bottom: 2px solid transparent;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.channel:hover { background: rgba(227,217,205,0.35); color: var(--brand-red); }
.channel.active { color: var(--brand-red); border-bottom-color: var(--brand-red); }
.channel-cta {
  font-size: 14px;
  color: var(--brand-red);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
}
.channel-cta:hover { color: var(--brand-red-hover); }
.menu-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--title-color); cursor: pointer; }
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--dark-bg);
  z-index: 1000;
  padding: 32px 24px;
  transition: right var(--transition);
  overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 28px;
  position: absolute;
  top: 12px;
  right: 16px;
  cursor: pointer;
}
.drawer-brand { color: #fff; font-family: var(--font-serif); font-size: 20px; margin-bottom: 24px; display: block; }
.drawer-link {
  display: block;
  color: rgba(255,255,255,0.8);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 15px;
}
.drawer-link:hover { color: var(--brand-red); }
.drawer-hot { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.drawer-hot .hot-tag { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); color: #fff; }
.drawer-hot .hot-tag:hover { background: var(--brand-red); }
.drawer-search { margin-top: 24px; }
.drawer-search input { width: 100%; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); color: #fff; border-radius: 6px; padding: 10px 14px; }
.drawer-search input::placeholder { color: rgba(255,255,255,0.5); }
.drawer-btn { margin-top: 24px; width: 100%; }
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

/* Hero */
.hero-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 80px 0 60px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(31,27,24,0.93) 0%, rgba(31,27,24,0.78) 45%, rgba(31,27,24,0.35) 100%);
}
.hero-section .container {
  position: relative;
  z-index: 2;
}
.hero-caption h1 {
  font-family: var(--font-serif);
  font-size: 52px;
  line-height: 1.15;
  color: #F7F2E9;
  margin-bottom: 20px;
  max-width: 600px;
  letter-spacing: 1px;
  animation: heroFadeUp 0.6s ease both;
}
.hero-subtitle {
  font-size: 17px;
  color: #E9DFD3;
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 32px;
  animation: heroFadeUp 0.6s ease 0.15s both;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; animation: heroFadeUp 0.6s ease 0.3s both; }
.trust-row { display: flex; gap: 28px; flex-wrap: wrap; animation: heroFadeUp 0.6s ease 0.45s both; }
.trust-item { display: flex; flex-direction: column; position: relative; padding-left: 18px; }
.trust-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: var(--gold-line);
}
.trust-item strong { font-family: var(--font-serif); font-size: 24px; color: #F7F2E9; line-height: 1.2; }
.trust-item span { font-size: 13px; color: rgba(233,223,211,0.8); }
.hero-visual {
  animation: heroFadeUp 0.6s ease 0.35s both;
  display: flex;
  justify-content: center;
}
.hero-card {
  width: 360px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.hero-card img { width: 100%; height: 140px; object-fit: cover; }
.hero-card-body { padding: 20px; }
.hero-card-title { display: block; font-family: var(--font-serif); color: #F7F2E9; font-size: 16px; margin-bottom: 16px; }
.mock-input {
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  margin-bottom: 10px;
  border: 1px solid rgba(255,255,255,0.12);
}
.mock-input.short { width: 70%; }
.mock-btn {
  height: 40px;
  background: var(--brand-red);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  margin-top: 16px;
}
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 状态条 */
.status-bar {
  background: var(--dark-bg);
  border-top: 1px solid var(--gold-line);
  padding: 14px 0;
  position: relative;
}
.status-bar::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 120px;
  height: 3px;
  background: var(--gold-line);
}
.status-content {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(233,223,211,0.9);
}
.status-content i { color: var(--gold-line); font-size: 16px; }
.status-content a {
  color: var(--brand-red);
  font-weight: 500;
  margin-left: auto;
  font-size: 14px;
}
.status-content a:hover { color: #fff; }

/* 三步上手 */
.steps-section { padding: 80px 0; }
.step-item {
  border-top: 2px solid var(--gold-line);
  padding-top: 28px;
  margin-bottom: 24px;
  transition: border-color var(--transition);
}
.step-item:hover { border-top-color: var(--brand-red); }
.step-num {
  font-family: var(--font-serif);
  font-size: 42px;
  color: var(--brand-red);
  line-height: 1;
  display: block;
  margin-bottom: 14px;
}
.step-item h3 { font-family: var(--font-serif); font-size: 20px; color: var(--title-color); margin-bottom: 10px; }
.step-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }
.step-item .text-link { font-size: 13px; }

/* 最新信息 */
.news-section { padding: 80px 0; background: #fff; }
.news-section .section-head { display: flex; justify-content: space-between; align-items: flex-end; }
.more-link { color: var(--brand-red); font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.more-link:hover { color: var(--brand-red-hover); }
.featured-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-default);
  transition: box-shadow var(--transition), transform var(--transition);
  margin-bottom: 24px;
}
.featured-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.featured-card .card-img { position: relative; overflow: hidden; }
.featured-card .card-img img { height: 240px; width: 100%; object-fit: cover; transition: transform 0.3s ease; }
.featured-card:hover .card-img img { transform: scale(1.03); }
.featured-card .card-body { padding: 24px; }
.category-tag {
  display: inline-block;
  background: rgba(178,59,42,0.12);
  color: var(--brand-red);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  margin-bottom: 12px;
}
.category-tag.small { font-size: 11px; padding: 2px 10px; margin-bottom: 6px; }
.featured-card h3 { font-family: var(--font-serif); font-size: 22px; color: var(--title-color); margin-bottom: 10px; line-height: 1.35; }
.featured-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.meta-info { display: flex; gap: 16px; font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.news-list { border-top: 1px solid var(--border-color); }
.news-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition);
}
.news-item:hover { background: rgba(247,242,233,0.4); }
.news-item-content { flex: 1; min-width: 0; }
.news-item h4 { font-family: var(--font-serif); font-size: 17px; color: var(--title-color); margin-bottom: 4px; line-height: 1.4; }
.news-item h4 a:hover { color: var(--brand-red); }
.news-item p { font-size: 13px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-bottom: 6px; }
.news-date { font-size: 12px; color: #A69B91; }
.arrow-link {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-red);
  font-size: 14px;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.arrow-link:hover { background: var(--brand-red); color: #fff; border-color: var(--brand-red); }
.empty-state {
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 48px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 15px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.empty-state i { font-size: 32px; color: var(--border-color); }

/* 案例证明 */
.proof-section { padding: 80px 0; background: var(--page-bg); }
.proof-metrics {
  background: var(--dark-bg);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  color: #F7F2E9;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  position: relative;
  overflow: hidden;
}
.proof-metrics::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gold-line);
}
.metric-main { text-align: center; }
.metric-num {
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 1;
  color: #fff;
  display: block;
}
.metric-label { font-size: 14px; color: rgba(233,223,211,0.8); display: block; margin-top: 8px; }
.metric-sub { text-align: center; }
.metric-sub .metric-num { font-size: 36px; }
.proof-scenes { padding-left: 8px; }
.scene-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  padding-left: 80px;
}
.scene-item::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: var(--border-color);
}
.scene-item::after {
  content: '';
  position: absolute;
  left: 29px;
  top: 32px;
  width: 7px;
  height: 7px;
  background: var(--brand-red);
  border-radius: 50%;
}
.scene-role {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--title-color);
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}
.scene-item p { font-size: 14px; color: var(--text-secondary); margin-bottom: 6px; }
.scene-result { font-size: 13px; color: var(--brand-red); display: block; margin-bottom: 8px; }
.scene-item .text-link { font-size: 13px; }
.brand-strip {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  color: #A69B91;
  font-size: 14px;
  letter-spacing: 2px;
}

/* FAQ */
.faq-section { padding: 80px 0; background: #fff; }
.faq-section .container { max-width: 900px; }
.accordion {
  border: none;
  background: transparent;
}
.accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
}
.accordion-item:first-child { border-top: 1px solid var(--border-color); }
.accordion-item.is-active > .accordion-title {
  background: transparent;
  border-bottom: none;
}
.accordion-title {
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 12px;
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--title-color);
  border-left: 3px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  position: relative;
}
.accordion-title:hover, .accordion-title:focus {
  background: rgba(247,242,233,0.5);
  color: var(--brand-red);
}
.accordion-item.is-active > .accordion-title {
  border-left-color: var(--gold-line);
  color: var(--title-color);
}
.faq-tag {
  font-family: var(--font-sans);
  font-size: 11px;
  background: rgba(178,59,42,0.1);
  color: var(--brand-red);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  flex-shrink: 0;
  font-weight: 500;
}
.accordion-title::after {
  content: '+';
  font-size: 22px;
  color: var(--brand-red);
  font-weight: 300;
  margin-left: auto;
  transition: transform var(--transition), content 0s;
}
.accordion-item.is-active > .accordion-title::after { content: '×'; font-size: 24px; }
.accordion-content {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  padding: 4px 12px 20px 42px;
}
.accordion-content p { color: var(--text-secondary); }

/* CTA */
.cta-section {
  background: var(--dark-bg);
  padding: 80px 0;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-line), transparent 70%);
}
.cta-left h2 {
  font-family: var(--font-serif);
  font-size: 34px;
  color: #F7F2E9;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-left p { color: rgba(233,223,211,0.85); font-size: 16px; margin-bottom: 24px; max-width: 420px; }
.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  color: rgba(233,223,211,0.9);
  font-size: 13px;
}
.security-badge i { color: var(--gold-line); font-size: 16px; }
.cta-form {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.cta-form label {
  font-size: 13px;
  font-weight: 500;
  color: var(--title-color);
  margin-bottom: 6px;
  display: block;
}
.cta-form input, .cta-form select, .cta-form textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--border-color);
  background: transparent;
  padding: 10px 2px;
  font-size: 15px;
  color: var(--title-color);
  margin-bottom: 18px;
  transition: border-color var(--transition), box-shadow var(--transition);
  border-radius: 0;
}
.cta-form input:focus, .cta-form select:focus, .cta-form textarea:focus {
  outline: none;
  border-bottom-color: var(--brand-red);
  box-shadow: 0 1px 0 0 var(--brand-red);
}
.cta-form textarea { min-height: 80px; resize: vertical; }
.cta-form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23B23B2A' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 8px center; }
.cta-form .btn { margin-top: 8px; }
.form-privacy { font-size: 12px; color: #A69B91; text-align: center; margin-top: 14px; }

/* 页脚 */
.site-footer {
  background: var(--dark-bg);
  color: rgba(233,223,211,0.7);
  padding-top: 64px;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-line), rgba(184,147,110,0.2) 60%, transparent);
}
.footer-top {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.footer-brand { flex: 1 1 280px; }
.footer-brand .brand-icon { margin-bottom: 12px; }
.footer-brand .brand-text { color: #F7F2E9; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 12px; max-width: 300px; }
.footer-links {
  flex: 2 1 600px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-link-col h4 {
  font-family: var(--font-serif);
  color: #F7F2E9;
  font-size: 16px;
  margin-bottom: 16px;
}
.footer-link-col a {
  display: block;
  color: rgba(233,223,211,0.65);
  font-size: 14px;
  padding: 4px 0;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-link-col a:hover { color: var(--brand-red); padding-left: 4px; }
.footer-protocol {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: center;
  gap: 32px;
  font-size: 13px;
  color: rgba(233,223,211,0.5);
  flex-wrap: wrap;
}
.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 16px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(233,223,211,0.4);
}

/* 响应式 */
@media (max-width: 1024px) {
  .hot-tags { display: none; }
  .search-wrap input { width: 150px; }
  .hero-caption h1 { font-size: 42px; }
}
@media (max-width: 768px) {
  .header-top-inner { padding: 10px 0; }
  .menu-toggle { display: inline-flex; }
  .hot-tags, .search-wrap, .header-bottom, .channel-cta { display: none; }
  .mobile-drawer, .drawer-overlay { display: block; }
  .hero-section { min-height: auto; padding: 60px 0 48px; }
  .hero-caption h1 { font-size: 36px; }
  .hero-subtitle { font-size: 15px; }
  .trust-row { gap: 16px; }
  .trust-item::before { display: none; padding-left: 0; }
  .hero-card { width: 100%; max-width: 360px; margin: 32px auto 0; }
  .steps-section, .news-section, .proof-section, .faq-section, .cta-section { padding: 48px 0; }
  .section-head h2 { font-size: 26px; }
  .metric-num { font-size: 44px; }
  .scene-item { padding-left: 16px; }
  .scene-item::before, .scene-item::after { display: none; }
  .brand-strip { gap: 24px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-top { gap: 32px; }
  .status-content a { margin-left: 0; width: 100%; }
  .accordion-title { font-size: 15px; padding: 16px 8px; }
  .accordion-content { padding-left: 16px; padding-right: 8px; font-size: 14px; }
  .cta-left h2 { font-size: 28px; }
  .cta-form { padding: 24px 20px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand-text { font-size: 17px; }
  .brand-icon { width: 32px; height: 32px; font-size: 15px; }
  .btn { padding: 10px 20px; font-size: 14px; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .btn { width: 100%; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-protocol { gap: 16px; flex-direction: column; align-items: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* roulang page: article */
:root {
  --brand: #B23B2A;
  --brand-hover: #7E2B22;
  --dark: #1F1B18;
  --dark-soft: #2A2420;
  --bg: #F7F2E9;
  --card: #FFFFFF;
  --title-color: #2C2623;
  --text-color: #3D3633;
  --sub-text: #7C736A;
  --border: #E3D9CD;
  --gold: #B8936E;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
  --transition: 0.2s ease;
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-number: Georgia, 'Times New Roman', serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-color);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

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

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(247,242,233,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.site-header.scrolled .header-top .trend-tags { display: none; }
.site-header.scrolled .header-top { padding: 6px 0; }
.site-header.scrolled .header-bottom { padding: 6px 0; }
.header-top {
  border-bottom: 1px solid rgba(227,217,205,0.6);
  transition: padding var(--transition);
}
.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 50px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--brand);
  color: #fff;
  border-radius: 8px;
  font-size: 16px;
  box-shadow: 0 2px 8px rgba(178,59,42,0.3);
}
.brand-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--title-color);
  letter-spacing: 0.02em;
}
.trend-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.trend-tags a {
  display: inline-block;
  padding: 4px 14px;
  font-size: 13px;
  color: var(--text-color);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  transition: all var(--transition);
}
.trend-tags a:hover {
  color: var(--brand);
  border-color: var(--brand);
  background: #fff;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-toggle {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--text-color);
  padding: 8px;
  border-radius: 50%;
  transition: all var(--transition);
}
.search-toggle:hover { color: var(--brand); background: rgba(178,59,42,0.08); }
.header-top .search-box {
  display: none;
  position: relative;
}
.header-top .search-box.open { display: block; }
.search-box input {
  width: 220px;
  padding: 7px 36px 7px 14px;
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 14px;
  background: #fff;
  outline: none;
  transition: border-color var(--transition);
}
.search-box input:focus { border-color: var(--brand); }
.search-box button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--sub-text);
}
.header-bottom { border-bottom: 1px solid var(--border); transition: padding var(--transition); }
.header-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.channels {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  margin: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.channels::-webkit-scrollbar { display: none; }
.channel {
  display: block;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-color);
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.channel:hover { color: var(--brand); background: rgba(178,59,42,0.04); }
.channel.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}
.nav-open-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
  padding: 6px 4px;
  white-space: nowrap;
  transition: color var(--transition);
}
.nav-open-btn i { font-size: 13px; color: var(--brand); transition: transform var(--transition); }
.nav-open-btn:hover { color: var(--brand); }
.nav-open-btn:hover i { transform: translateX(4px); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-color);
  padding: 8px;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--dark);
  z-index: 2000;
  padding: 24px;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-drawer.open { right: 0; }
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding-bottom: 16px;
}
.drawer-header .brand-text { color: #fff; }
.drawer-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
}
.mobile-drawer nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-drawer nav a {
  display: block;
  padding: 12px 0;
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-drawer nav a:hover { color: var(--brand); }
.mobile-drawer nav a.active { color: #fff; font-weight: 600; border-left: 3px solid var(--brand); padding-left: 12px; }
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1999;
  display: none;
}
.drawer-overlay.open { display: block; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  transition: all var(--transition);
  line-height: 1.4;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 2px 8px rgba(178,59,42,0.25);
}
.btn-primary:hover { background: var(--brand-hover); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus { outline: 2px solid rgba(178,59,42,0.4); outline-offset: 2px; }
.btn-secondary {
  background: transparent;
  color: var(--title-color);
  border: 1px solid var(--title-color);
}
.btn-secondary:hover { background: #F2EADD; color: var(--title-color); }
.btn-light {
  background: #fff;
  color: var(--dark);
}
.btn-light:hover { background: var(--bg); color: var(--dark); }
.btn-sm { padding: 8px 20px; font-size: 14px; }

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  background: var(--dark);
  background-image: linear-gradient(rgba(31,27,24,0.88), rgba(31,27,24,0.72)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 76px 0 64px;
  border-bottom: 3px solid var(--brand);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 10px; color: var(--gold); }
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.category-badge {
  display: inline-block;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(178,59,42,0.5);
  border-radius: 24px;
  backdrop-filter: blur(4px);
}
.article-meta .date {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-hero h1 {
  font-family: var(--font-serif);
  font-size: 38px;
  line-height: 1.3;
  color: #fff;
  margin: 0 0 20px;
  max-width: 820px;
  letter-spacing: 0.01em;
}
.article-author {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}
.author-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 13px;
}

/* ===== Article Body ===== */
.article-body {
  padding: 64px 0 32px;
}
.article-content {
  max-width: 780px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow);
}
.article-content p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-color);
  margin: 0 0 24px;
}
.article-content h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--title-color);
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--brand);
  line-height: 1.4;
}
.article-content h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--title-color);
  margin: 32px 0 14px;
}
.article-content ul {
  margin: 0 0 24px;
  padding-left: 20px;
}
.article-content ul li {
  margin-bottom: 10px;
  line-height: 1.8;
  position: relative;
}
.article-content img {
  border-radius: var(--radius);
  margin: 24px 0;
  width: 100%;
  object-fit: cover;
}
.article-content blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--gold);
  background: #FBF7F0;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--sub-text);
  font-style: italic;
}
.article-content a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover { color: var(--brand-hover); }
.article-content table { width: 100%; margin: 24px 0; border-collapse: collapse; }
.article-content table th, .article-content table td {
  border: 1px solid var(--border);
  padding: 12px;
  text-align: left;
}
.article-content table th { background: var(--bg); font-weight: 600; }

/* Not Found */
.not-found {
  text-align: center;
  padding: 48px 0 24px;
  max-width: 780px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.not-found-icon {
  font-size: 52px;
  color: var(--brand);
  margin-bottom: 16px;
  opacity: 0.5;
}
.not-found p {
  color: var(--sub-text);
  font-size: 17px;
  margin-bottom: 32px;
}

/* ===== Article Bottom Nav ===== */
.article-nav-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  max-width: 780px;
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.article-nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  transition: all var(--transition);
}
.article-nav-links a:hover {
  color: var(--brand);
  border-color: var(--brand);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.article-nav-links a i { color: var(--brand); }

/* ===== Related Section ===== */
.related-section {
  max-width: 1080px;
  margin: 56px auto 0;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.related-section h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--title-color);
  text-align: center;
  margin-bottom: 36px;
  position: relative;
}
.related-section h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--gold);
  margin: 12px auto 0;
}
.related-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.related-card:hover .related-cover img { transform: scale(1.03); }
.related-cover {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg);
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-info { padding: 20px 22px 24px; }
.related-info h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--title-color);
  margin: 0 0 8px;
  line-height: 1.4;
  transition: color var(--transition);
}
.related-card:hover .related-info h3 { color: var(--brand); }
.related-info .related-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--brand);
  background: rgba(178,59,42,0.08);
  padding: 3px 10px;
  border-radius: 24px;
  margin-bottom: 12px;
}
.related-info p {
  font-size: 14px;
  color: var(--sub-text);
  margin: 0 0 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-info .related-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--sub-text);
}
.related-info .related-meta i { color: var(--brand); transition: transform var(--transition); }
.related-card:hover .related-meta i { transform: translateX(4px); }

/* ===== CTA Section ===== */
.cta-section {
  background: var(--dark);
  background-image: linear-gradient(rgba(31,27,24,0.92), rgba(31,27,24,0.92)), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  padding: 88px 0;
  margin-top: 64px;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.cta-inner {
  display: flex;
  gap: 56px;
  align-items: center;
}
.cta-copy { flex: 1; color: #fff; }
.cta-copy h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  line-height: 1.3;
  margin: 0 0 16px;
  color: #fff;
}
.cta-copy h2 span { color: var(--gold); }
.cta-copy p {
  color: rgba(255,255,255,0.75);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 24px;
  max-width: 440px;
}
.cta-security {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}
.cta-security i { color: var(--gold); }
.cta-form-card {
  width: 420px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  flex-shrink: 0;
}
.cta-form-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--title-color);
  margin: 0 0 24px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--title-color);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--title-color);
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-bottom-color: var(--brand); }
.form-group textarea { resize: vertical; min-height: 70px; }
.cta-form-card .btn { width: 100%; margin-top: 8px; }
.form-privacy {
  font-size: 12px;
  color: var(--sub-text);
  text-align: center;
  margin-top: 14px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
  border-top: 1px solid rgba(184,147,110,0.3);
}
.footer-top {
  display: flex;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
}
.footer-brand { flex: 1.4; min-width: 240px; }
.footer-brand .brand {
  margin-bottom: 14px;
}
.footer-brand .brand-text { color: #fff; font-size: 22px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  max-width: 300px;
  margin: 0;
}
.footer-links {
  flex: 2;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-link-col { min-width: 140px; }
.footer-link-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: 0.04em;
}
.footer-link-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  padding: 5px 0;
  transition: color var(--transition);
}
.footer-link-col a:hover { color: var(--brand); }
.footer-protocol {
  display: flex;
  gap: 24px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
}
.footer-protocol span { cursor: pointer; transition: color var(--transition); }
.footer-protocol span:hover { color: #fff; }
.footer-copyright {
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ===== Foundation Overrides ===== */
.row { max-width: 1200px; margin: 0 auto; }
.button, .btn {
  font-family: var(--font-sans);
}
input:focus, textarea:focus, select:focus { outline: none; }

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .related-section { max-width: 780px; padding-left: 24px; padding-right: 24px; }
  .cta-inner { flex-direction: column; gap: 40px; }
  .cta-copy { text-align: center; }
  .cta-copy p { margin-left: auto; margin-right: auto; }
  .cta-security { justify-content: center; }
  .cta-form-card { width: 100%; max-width: 480px; }
}
@media screen and (max-width: 768px) {
  .container { padding: 0 16px; }
  .header-top .trend-tags { display: none; }
  .menu-l { display: none !important; }
  .nav-toggle { display: inline-block; }
  .header-bottom .nav-open-btn { display: none; }
  .header-actions .btn { display: none; }
  .header-top .container { min-height: 56px; }
  .channel { padding: 12px 14px; font-size: 14px; }
  .article-hero { padding: 48px 0 40px; }
  .article-hero h1 { font-size: 28px; line-height: 1.35; }
  .article-content { padding: 32px 24px; }
  .article-content p { font-size: 15px; }
  .article-content h2 { font-size: 21px; }
  .article-content h3 { font-size: 18px; }
  .cta-section { padding: 56px 0; }
  .cta-copy h2 { font-size: 26px; }
  .cta-form-card { padding: 28px 20px; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-links { gap: 24px; }
  .footer-link-col { min-width: 120px; }
  .related-section { padding-left: 16px; padding-right: 16px; }
  .related-section .columns { margin-bottom: 20px; }
  .article-nav-links { flex-direction: column; align-items: stretch; }
  .article-nav-links a { justify-content: center; }
}
@media screen and (max-width: 520px) {
  .brand-text { font-size: 17px; }
  .brand-icon { width: 32px; height: 32px; font-size: 14px; }
  .article-hero h1 { font-size: 24px; }
  .article-content { padding: 24px 18px; }
  .article-meta { gap: 10px; }
  .cta-form-card { padding: 24px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category1 */
:root{
  --primary:#B23B2A;
  --primary-hover:#7E2B22;
  --dark:#1F1B18;
  --bg:#F7F2E9;
  --card:#FFFFFF;
  --title:#2C2623;
  --text:#3D3633;
  --muted:#7C736A;
  --border:#E3D9CD;
  --gold:#B8936E;
  --radius:8px;
  --radius-sm:4px;
  --shadow:0 1px 3px rgba(0,0,0,0.06);
  --shadow-hover:0 8px 24px rgba(0,0,0,0.08);
  --transition:0.2s ease;
  --container:1200px;
  --serif:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),box-shadow var(--transition);}
ul{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:1rem;color:inherit;}
input:focus,select:focus,textarea:focus,button:focus,a:focus{outline:2px solid rgba(178,59,42,.45);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
.row{max-width:var(--container);}
.section{padding:80px 0;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);margin-bottom:16px;
}
.section-label::before{content:"";width:24px;height:2px;background:var(--gold);display:inline-block;}
.section-title{
  font-family:var(--serif);
  font-size:2rem;line-height:1.3;color:var(--title);
  margin-bottom:16px;font-weight:700;
}
.section-sub{color:var(--muted);font-size:1rem;max-width:640px;margin-bottom:32px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-sm);
  font-weight:500;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform var(--transition),background var(--transition),box-shadow var(--transition),color var(--transition);
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 6px 18px rgba(178,59,42,.24);transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:transparent;border-color:var(--border);color:var(--title);}
.btn-outline:hover{background:#F2EADD;border-color:var(--gold);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-sm{padding:10px 18px;font-size:.875rem;}
.btn-block{width:100%;}

.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--bg);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow);
}
.header-top{background:#fff;border-bottom:1px solid var(--border);}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;max-width:var(--container);margin:0 auto;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-weight:700;}
.brand-icon{
  width:38px;height:38px;border-radius:var(--radius-sm);
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.05rem;
}
.brand-text{font-family:var(--serif);font-size:1.25rem;color:var(--title);letter-spacing:.02em;}
.hot-tags{display:flex;gap:8px;flex-wrap:wrap;}
.hot-tags a{
  font-size:.8rem;padding:6px 14px;border-radius:24px;
  background:#F7F2E9;border:1px solid var(--border);color:var(--text);
  transition:all var(--transition);
}
.hot-tags a:hover{border-color:var(--primary);color:var(--primary);background:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;}
.search-toggle{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--text);
}
.search-toggle:hover{color:var(--primary);border-color:var(--primary);}
.header-bottom{background:var(--bg);}
.header-bottom-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--container);margin:0 auto;padding:0 24px;}
.channels{display:flex;gap:2px;}
.channel{
  position:relative;display:inline-flex;align-items:center;
  padding:14px 16px;font-size:.95rem;font-weight:500;color:var(--text);
}
.channel:hover{background:#F2EADD;color:var(--primary);}
.channel.active{color:var(--primary);font-weight:600;}
.channel.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:var(--primary);border-radius:3px 3px 0 0;
}
.header-open-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;font-weight:500;color:var(--primary);padding:8px 4px;
}
.header-open-link i{transition:transform var(--transition);}
.header-open-link:hover i{transform:translateX(4px);}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--border);background:#fff;border-radius:var(--radius-sm);cursor:pointer;align-items:center;justify-content:center;}

.mobile-drawer{
  position:fixed;top:0;right:-320px;width:300px;height:100vh;
  background:var(--dark);color:#EDE4D8;z-index:200;
  padding:24px;display:flex;flex-direction:column;gap:20px;
  transition:right .3s ease;
  overflow-y:auto;
}
.mobile-drawer.open{right:0;}
.drawer-header{display:flex;align-items:center;justify-content:space-between;}
.drawer-brand{font-family:var(--serif);font-size:1.1rem;color:#fff;}
.drawer-close{background:none;border:none;color:#fff;font-size:1.4rem;cursor:pointer;width:36px;height:36px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 10px;border-radius:var(--radius-sm);color:#D9D0C5;border-left:3px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer-nav a.active{color:#fff;border-left-color:var(--primary);background:rgba(178,59,42,.2);}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;border-top:1px solid rgba(255,255,255,.12);padding-top:16px;}
.drawer-hot a{font-size:.8rem;padding:6px 12px;border-radius:24px;border:1px solid rgba(255,255,255,.24);color:#D9D0C5;}
.drawer-hot a:hover{border-color:#fff;color:#fff;}

.page-hero{
  position:relative;background-size:cover;background-position:center;
  padding:100px 0 90px;color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(31,27,24,.94) 0%,rgba(31,27,24,.72) 45%,rgba(31,27,24,.46) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);
  margin-bottom:18px;
}
.hero-kicker::before{content:"";width:32px;height:2px;background:var(--gold);}
.page-hero h1{
  font-family:var(--serif);font-size:3rem;line-height:1.15;color:#fff;
  margin-bottom:18px;font-weight:900;
}
.hero-lead{
  font-size:1.06rem;color:#E9DFD3;max-width:560px;margin-bottom:32px;line-height:1.85;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-meta{
  display:flex;align-items:center;gap:20px;margin-top:40px;
  font-size:.86rem;color:#DCD2C6;
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta span+span{border-left:1px solid rgba(255,255,255,.3);padding-left:20px;}
.hero-meta i{color:var(--gold);}

.guide-intro{padding:70px 0 60px;}
.intro-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-hover);}
.intro-media img{width:100%;height:280px;object-fit:cover;}
.media-caption{
  position:absolute;left:16px;bottom:16px;background:rgba(31,27,18,.82);
  color:#fff;font-size:.8rem;padding:8px 14px;border-radius:24px;border:1px solid rgba(255,255,255,.2);
}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;color:var(--text);}
.check-list li i{color:var(--primary);margin-top:6px;font-size:.9rem;}
.check-list strong{color:var(--title);font-weight:600;}

.points-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.point-card{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;height:100%;transition:box-shadow var(--transition),transform var(--transition);
}
.point-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.point-icon{
  width:44px;height:44px;border-radius:var(--radius-sm);background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-size:1.1rem;
}
.point-card h3{font-family:var(--serif);font-size:1.05rem;color:var(--title);margin-bottom:8px;}
.point-card p{font-size:.9rem;color:var(--muted);margin-bottom:0;}

.process-section{background:var(--dark);color:#E9DFD3;}
.process-section .section-title{color:#fff;}
.process-section .section-sub{color:#BDB2A6;}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;}
.process-step{
  position:relative;padding-top:28px;
}
.process-step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--gold),rgba(184,147,110,.15));
}
.step-num{
  font-family:Georgia,'Times New Roman',serif;font-size:2.6rem;font-weight:700;
  color:var(--gold);line-height:1;margin-bottom:14px;
}
.step-title{font-family:var(--serif);font-size:1.06rem;color:#fff;margin-bottom:8px;font-weight:700;}
.step-desc{font-size:.875rem;color:#BDB2A6;line-height:1.7;}
.step-link{
  display:inline-flex;align-items:center;gap:6px;font-size:.84rem;color:var(--gold);
  margin-top:12px;
}
.step-link i{transition:transform var(--transition);}
.step-link:hover i{transform:translateX(4px);}

.scenarios-section{background:var(--bg);}
.scenario-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;height:100%;transition:box-shadow var(--transition),transform var(--transition);
}
.scenario-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.scenario-card i.scenario-icon{
  width:42px;height:42px;border-radius:8px;background:#F7F2E9;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:16px;
  font-size:1.1rem;
}
.scenario-card h3{font-family:var(--serif);font-size:1rem;color:var(--title);margin-bottom:8px;}
.scenario-card p{font-size:.875rem;color:var(--muted);margin-bottom:0;}

.stats-section{
  background:url('/assets/images/backpic/back-2.webp') center/cover fixed;position:relative;
  color:#fff;padding:70px 0;
}
.stats-section::before{content:"";position:absolute;inset:0;background:rgba(31,27,18,.88);}
.stats-section .container{position:relative;z-index:2;}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center;}
.stat-item{
  border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);background:rgba(255,255,255,.04);
  padding:32px 20px;backdrop-filter:none;
}
.stat-number{
  font-family:Georgia,'Times New Roman',serif;font-size:1.7rem;font-weight:700;color:var(--gold);
  margin-bottom:6px;line-height:1.2;
}
.stat-label{font-size:.875rem;color:#D9D0C5;}

.faq-section{padding:80px 0;background:#fff;border-top:1px solid var(--border);}
.faq-accordion{max-width:860px;margin:0 auto;}
.faq-accordion .accordion-item{background:transparent;border-bottom:1px solid var(--border);}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--border);}
.faq-accordion .accordion-title{
  display:flex;align-items:center;gap:12px;
  padding:20px 0;background:transparent;border:none;color:var(--title);
  font-family:var(--serif);font-size:1.05rem;font-weight:700;line-height:1.5;min-height:0;
}
.faq-accordion .accordion-title:hover,.faq-accordion .accordion-title:focus{background:transparent;}
.faq-accordion .accordion-item.is-active>.accordion-title{background:transparent;color:var(--primary);}
.faq-tag{
  flex-shrink:0;font-family:var(--sans);font-size:.72rem;font-weight:600;
  color:var(--primary);background:#F7F2E9;border:1px solid var(--border);
  padding:3px 12px;border-radius:24px;letter-spacing:.04em;
}
.faq-question{flex:1;}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:.8rem;color:var(--primary);
  transition:transform var(--transition),background var(--transition);
}
.faq-accordion .accordion-item.is-active .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff;border-color:var(--primary);}
.faq-accordion .accordion-content{
  background:transparent;padding:0 40px 20px 88px;color:var(--muted);font-size:.925rem;line-height:1.8;
}
.faq-accordion .accordion-content p{margin-bottom:0;}

.cta-section{background:var(--dark);position:relative;padding:80px 0;color:#E9DFD3;}
.cta-section::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold),transparent);}
.cta-title{font-family:var(--serif);font-size:2rem;color:#fff;line-height:1.3;margin-bottom:16px;font-weight:900;}
.cta-desc{font-size:1rem;color:#BDB2A6;max-width:480px;margin-bottom:24px;}
.cta-badge{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;color:#DCD2C6;border:1px solid rgba(255,255,255,.2);padding:8px 16px;border-radius:24px;}
.cta-badge i{color:var(--gold);}
.cta-form-card{
  background:var(--card);border-radius:var(--radius);padding:32px;
  box-shadow:0 12px 40px rgba(0,0,0,.3);color:var(--text);
}
.cta-form-card label{font-size:.84rem;font-weight:600;color:var(--title);margin-bottom:6px;display:block;}
.cta-form-card input,.cta-form-card select,.cta-form-card textarea{
  width:100%;border:none;border-bottom:1px solid var(--border);background:transparent;
  padding:10px 0;margin-bottom:20px;font-size:.95rem;border-radius:0;transition:border-color var(--transition),box-shadow var(--transition);
}
.cta-form-card input:focus,.cta-form-card select:focus,.cta-form-card textarea:focus{
  border-bottom-color:var(--primary);box-shadow:0 1px 0 var(--primary);outline:none;
}
.cta-form-card select{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%237C736A' d='M1 1l4 4 4-4' stroke='%237C736A' stroke-width='1.2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center;}
.cta-form-card textarea{min-height:70px;resize:vertical;}
.form-note{font-size:.76rem;color:var(--muted);margin-top:12px;text-align:center;}

.site-footer{background:var(--dark);color:#A79C90;padding:64px 0 0;border-top:1px solid rgba(184,147,110,.3);}
.footer-top{display:grid;grid-template-columns:1.4fr 2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .brand-icon{width:40px;height:40px;margin-bottom:14px;}
.footer-brand .brand-text{font-family:var(--serif);font-size:1.3rem;color:#fff;display:block;margin-bottom:8px;}
.footer-brand p{font-size:.875rem;line-height:1.7;color:#A79C90;}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.footer-link-col h4{font-size:.86rem;color:#EDE4D8;margin-bottom:12px;font-weight:600;letter-spacing:.06em;}
.footer-link-col a{
  display:block;font-size:.84rem;padding:5px 0;color:#A79C90;
}
.footer-link-col a:hover{color:var(--primary);}
.footer-protocol{
  display:flex;gap:24px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.08);
  font-size:.8rem;color:#8E857A;
}
.footer-copyright{padding:20px 0 28px;font-size:.8rem;color:#6E665D;}

@media (max-width:1024px){
  .process-steps{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stats-grid{grid-template-columns:repeat(3,1fr);}
  .footer-top{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .page-hero{padding:64px 0 56px;}
  .page-hero h1{font-size:2.1rem;}
  .hero-lead{font-size:.95rem;}
  .hero-meta{flex-direction:column;align-items:flex-start;gap:10px;}
  .hero-meta span+span{border-left:none;padding-left:0;}
  .hot-tags{display:none;}
  .header-bottom{display:none;}
  .menu-toggle{display:flex;}
  .header-top-inner{padding:10px 16px;}
  .process-steps{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .footer-links{grid-template-columns:repeat(2,1fr);}
  .faq-accordion .accordion-title{flex-wrap:wrap;font-size:.98rem;}
  .faq-accordion .accordion-content{padding:0 8px 18px 8px;}
  .cta-form-card{padding:24px;}
  .container{padding-left:16px;padding-right:16px;}
  .section-title{font-size:1.6rem;}
}
@media (max-width:520px){
  .brand-text{font-size:1.05rem;}
  .btn{padding:10px 18px;font-size:.9rem;}
  .page-hero h1{font-size:1.7rem;}
  .hero-actions{flex-direction:column;align-items:flex-start;}
  .hero-actions .btn{width:100%;}
  .footer-links{grid-template-columns:1fr;}
  .process-step::before{left:0;right:0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}