/* roulang page: index */
:root {
  --color-primary: #B8934F;
  --color-deep-gold: #977A3E;
  --color-light-gold: #D9BC7E;
  --color-gold-soft: rgba(216, 185, 118, 0.2);
  --color-accent: #A62921;
  --color-accent-hover: #872019;
  --color-accent-active: #6A1713;
  --color-bg-paper: #F7F4EE;
  --color-bg-card: #FFFFFF;
  --color-ink: #191410;
  --color-panel: #221C16;
  --color-line: #E7E0D3;
  --color-title: #211D18;
  --color-body: #4C463C;
  --color-muted: #7C7465;
  --color-footer-text: #ACA399;
  --color-success: #2F7D4B;
  --color-warn: #A97700;
  --color-info-bg: #F0EAE0;
  --radius-card: 14px;
  --radius-box: 10px;
  --radius-btn: 8px;
  --radius-image: 16px;
  --shadow-card: 0 6px 20px rgba(57, 44, 24, 0.06);
  --shadow-hover: 0 14px 32px rgba(57, 44, 24, 0.14);
  --max-width: 1200px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", SimSun, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --space-section: 92px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-body);
  background: var(--color-bg-paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; cursor: pointer; background: none; }
input, select, textarea { font-family: inherit; font-size: 15px; }
ul, ol { list-style: none; }
.container {
  width: min(var(--max-width), 92%);
  margin: 0 auto;
}
.section { padding: var(--space-section) 0; }

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  transition: background-color 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom: 1px solid rgba(216, 185, 118, 0.9);
  background: rgba(25, 20, 16, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.site-header.scrolled {
  background: rgba(247, 244, 238, 0.94);
  border-bottom-color: rgba(32, 25, 18, 0.08);
  box-shadow: 0 4px 18px rgba(30, 20, 10, 0.08);
}
.site-header.scrolled .brand-text,
.site-header.scrolled .nav-links > li > a,
.site-header.scrolled .brand-seal { color: var(--color-title); border-color: rgba(33,29,24,0.7); }
.site-header.scrolled .header-cta { color: #FFF; }
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.brand-seal {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1.5px solid rgba(216, 185, 118, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 18px;
  color: var(--color-light-gold);
  background: rgba(255, 255, 255, 0.02);
}
.brand-text {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #FFF1DA;
  white-space: nowrap;
  transition: color 0.3s;
}
.main-nav { display: flex; align-items: center; gap: 8px; margin-left: 28px; flex: 1; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links > li > a {
  display: inline-block;
  padding: 8px 15px;
  font-size: 15px;
  color: rgba(247, 244, 238, 0.88);
  border-radius: 6px;
  border-bottom: 2px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s;
}
.nav-links > li > a:hover { color: var(--color-light-gold); background: rgba(216,185,118,0.06); }
.nav-links > li > a.active { color: var(--color-light-gold); border-bottom-color: var(--color-light-gold); }
.nav-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}
.nav-burger span {
  width: 18px;
  height: 2px;
  background: var(--color-light-gold);
  display: block;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }
.header-cta {
  font-size: 14px;
  padding: 8px 18px;
  border-radius: var(--radius-btn);
}

/* 移动抽屉 */
.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
  z-index: 199;
}
.drawer-mask.show { opacity: 1; pointer-events: auto; }
.drawer-panel {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: var(--color-panel);
  border-left: 1px solid rgba(216, 185, 118, 0.2);
  z-index: 200;
  transition: right 0.35s var(--ease);
  padding: 72px 22px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.drawer-panel.open { right: 0; }
.drawer-panel a {
  display: block;
  padding: 13px 14px;
  border-radius: 8px;
  color: #EDE3D0;
  font-size: 16px;
  font-weight: 600;
  background: rgba(255,255,255,0.04);
}
.drawer-panel a:hover,
.drawer-panel a.active { background: rgba(216,185,118,0.14); color: var(--color-light-gold); }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-btn);
  transition: all 0.25s var(--ease);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--color-accent);
  color: #FFFDF8;
  box-shadow: 0 4px 14px rgba(166, 41, 33, 0.28);
}
.btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-1px); box-shadow: 0 7px 20px rgba(150, 34, 28, 0.34); }
.btn-primary:active { background: var(--color-accent-active); transform: translateY(0); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-deep-gold);
  color: var(--color-deep-gold);
}
.btn-ghost:hover { background: rgba(184,147,79,0.1); border-color: var(--color-primary); }
.site-header.scrolled .btn-ghost {
  color: var(--color-deep-gold);
}
.site-header:not(.scrolled) .btn-ghost {
  color: var(--color-light-gold);
  border-color: rgba(216,185,118,0.7);
}
.site-header:not(.scrolled) .btn-ghost:hover { background: rgba(216,185,118,0.14); }
.btn-sm { padding: 9px 17px; font-size: 14px; }
.btn-gold {
  background: linear-gradient(135deg, #E9D19A 0%, #B8934F 100%);
  color: #191410;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(184, 147, 79, 0.32);
}
.btn-gold:hover { transform: translateY(-1px); box-shadow: 0 9px 26px rgba(184, 147, 79, 0.45); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  max-height: 1080px;
  background-color: var(--color-ink);
  padding: 148px 0 94px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(110deg, rgba(25,20,16,0.96) 0%, rgba(25,20,16,0.82) 40%, rgba(25,20,16,0.56) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 20%;
}
.hero-ornament {
  position: absolute;
  right: -80px;
  top: -100px;
  width: 460px;
  height: 460px;
  border: 2px solid rgba(216, 185, 118, 0.14);
  border-radius: 50%;
  pointer-events: none;
}
.hero-ornament::after {
  content: "";
  position: absolute;
  inset: 45px;
  border: 1px solid rgba(216, 185, 118, 0.18);
  border-radius: 50%;
}
.hero-wrap { position: relative; z-index: 3; display: grid; grid-template-columns: 58% 42%; align-items: center; gap: 42px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid rgba(216, 185, 118, 0.5);
  border-radius: 40px;
  color: var(--color-light-gold);
  background: rgba(216,185,118,0.08);
  font-size: 13px;
  letter-spacing: 0.1em;
  margin-bottom: 22px;
}
.hero-badge::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--color-light-gold);
  display: inline-block;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.4vw + 1.2rem, 3.6rem);
  line-height: 1.3;
  font-weight: 800;
  color: #FFF6E6;
  letter-spacing: 0.02em;
  text-shadow: 0 3px 14px rgba(0,0,0,0.35);
  margin-bottom: 22px;
}
.hero-summary {
  color: rgba(240, 232, 220, 0.85);
  font-size: 17px;
  max-width: 560px;
  line-height: 1.95;
  margin-bottom: 32px;
}
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: rgba(216,185,118,0.7);
  font-size: 13px;
}
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust span::before { content: "◆"; font-size: 8px; color: var(--color-primary); }
.hero-visual { position: relative; width: 100%; }
.hero-panel {
  position: relative;
  margin-left: auto;
  max-width: 360px;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(40, 31, 22, 0.75);
  border: 1px solid rgba(216, 185, 118, 0.22);
  box-shadow: 0 30px 80px rgba(0,0,0,0.44);
  backdrop-filter: blur(8px);
}
.hero-panel-img {
  position: relative;
  height: 220px;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero-panel-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(25,20,16,0.2) 0%, rgba(25,20,16,0.9) 100%);
}
.hero-panel-inner { position: relative; padding: 0 28px 28px; }
.official-seal {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 18px;
  background: linear-gradient(145deg, #221a12 0%, #16110c 100%);
  border: 1.5px solid rgba(216,185,118,0.65);
  margin: -46px auto 14px;
  position: relative;
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
}
.official-seal .seal-main {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 36px;
  line-height: 1;
  color: #F9E5BB;
  text-shadow: 0 0 12px rgba(216,185,118,0.42);
}
.official-seal .seal-sub { font-size: 10px; color: rgba(216,185,118,0.8); letter-spacing: 0.05em; margin-top: 3px; }
.hero-panel-title {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: #F5EBD4;
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}
.hero-panel-desc {
  text-align: center;
  font-size: 13px;
  color: rgba(230, 220, 200, 0.62);
  line-height: 1.65;
  padding-bottom: 20px;
  border-bottom: 1px dashed rgba(216,185,118,0.18);
  margin-bottom: 18px;
}
.hero-panel-tags { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.hero-panel-tags span {
  font-size: 12px;
  color: var(--color-light-gold);
  border: 1px solid rgba(216,185,118,0.3);
  border-radius: 30px;
  padding: 4px 12px;
  background: rgba(216,185,118,0.07);
}

/* ---------- 指标看板 ---------- */
.metrics-band {
  background: #FFF;
  border-bottom: 1px solid var(--color-line);
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 38px 0 30px;
}
.metric-item {
  text-align: left;
  padding: 12px 35px 12px 0;
  position: relative;
}
.metric-item + .metric-item { border-left: 1px solid var(--color-line); padding-left: 36px; }
.metric-num {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 800;
  color: var(--color-title);
  line-height: 1.1;
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
}
.metric-num small {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-left: 5px;
}
.metric-label { font-size: 15px; color: var(--color-title); font-weight: 600; margin: 8px 0 4px; }
.metric-tip { font-size: 13px; color: var(--color-muted); }

/* ---------- 板块标题 ---------- */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 50px;
}
.section-head-left { max-width: 780px; }
.section-index {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 800;
  color: var(--color-primary);
  font-size: 16px;
  letter-spacing: 0.14em;
  margin-bottom: 9px;
}
.section-index::after { content: ""; width: 40px; height: 1px; background: var(--color-primary); opacity: 0.6; }
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.2vw + 1rem, 2.4rem);
  font-weight: 800;
  color: var(--color-title);
  line-height: 1.45;
  letter-spacing: 0.02em;
}
.section-desc { margin-top: 12px; font-size: 16px; color: var(--color-muted); max-width: 680px; line-height: 1.85; }
.section-more a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 8px 2px;
}
.section-more a:hover { color: var(--color-deep-gold); }

/* ---------- 服务矩阵 ---------- */
.service-matrix-section { background: var(--color-bg-paper); }
.matrix-wrap {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-line);
}
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: var(--color-line);
  gap: 1px;
  overflow: hidden;
}
.matrix-cell {
  background: #FFF;
  padding: 34px 32px;
  position: relative;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  transition: background 0.3s var(--ease);
}
.matrix-cell:hover { background: #FDFBF6; }
.matrix-cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--color-primary);
  opacity: 0.6;
  border-radius: 0 3px 3px 0;
  transform: scaleY(0.55);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.matrix-cell:hover::before { transform: scaleY(1); opacity: 1; }
.matrix-tag {
  display: inline-flex;
  width: fit-content;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-deep-gold);
  background: var(--color-info-bg);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.matrix-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-title);
  margin-bottom: 10px;
}
.matrix-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-body);
  margin-bottom: 18px;
  flex: 1;
}
.matrix-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}
.matrix-link .arrow { transition: transform 0.2s; display: inline-block; }
.matrix-link:hover .arrow { transform: translateX(4px); }
.matrix-link:hover { color: var(--color-deep-gold); }

/* ---------- 方式对比 ---------- */
.compare-section { background: #FFF; }
.compare-grid {
  display: grid;
  grid-template-columns: 1.15fr 1.5fr;
  gap: 62px;
  align-items: center;
}
.compare-points { display: flex; flex-direction: column; gap: 0; }
.compare-main-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 2vw + 0.7rem, 2.4rem);
  font-weight: 800;
  color: var(--color-title);
  line-height: 1.4;
  margin-bottom: 22px;
}
.compare-text { font-size: 16px; color: var(--color-body); line-height: 1.9; margin-bottom: 30px; }
.comparison-list { display: flex; flex-direction: column; }
.comparison-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-line);
  display: flex;
  gap: 18px;
}
.comparison-item:first-child { border-top: 1px solid var(--color-line); }
.comp-index { font-family: var(--font-serif); font-size: 22px; color: var(--color-primary); font-weight: 800; flex: 0 0 36px; line-height: 1.2; }
.comp-title { font-weight: 700; font-size: 16px; color: var(--color-title); margin-bottom: 4px; }
.comp-desc { font-size: 14px; color: var(--color-muted); line-height: 1.7; }
.compare-visual { display: flex; flex-direction: column; gap: 18px; }
.state-card {
  border-radius: 16px;
  padding: 22px 24px;
  border: 1px solid var(--color-line);
  background: #F7F4EE;
  opacity: 0.88;
  transition: opacity 0.3s, transform 0.3s var(--ease);
}
.state-card:hover { opacity: 1; transform: translateY(-2px); }
.state-label {
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.state-label::before { content: "×"; font-size: 18px; color: var(--color-muted); font-weight: 400; }
.state-card.on {
  background: #FFFDF6;
  border-color: var(--color-primary);
  box-shadow: 0 10px 28px rgba(184, 147, 79, 0.13);
}
.state-card.on .state-label { color: var(--color-deep-gold); }
.state-card.on .state-label::before { content: "✓"; color: var(--color-success); }
.badge-recommend {
  display: inline-block;
  font-size: 12px;
  background: var(--color-primary);
  color: #FFF;
  border-radius: 4px;
  padding: 2px 9px;
  margin-top: 10px;
  font-weight: 600;
}
.state-items { display: flex; flex-direction: column; gap: 7px; }
.state-items li {
  font-size: 14px;
  padding-left: 13px;
  position: relative;
}
.state-items li::before { content: ""; width: 5px; height: 5px; background: var(--color-line); position: absolute; left: 0; top: 9px; border-radius: 50%; }
.state-card.on .state-items li::before { background: var(--color-primary); }

/* ---------- 最新信息 ---------- */
.latest-section { background: var(--color-bg-paper); }
.latest-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr;
  gap: 24px;
}
.news-feature {
  grid-row: span 2;
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
  display: flex;
  flex-direction: column;
}
.news-feature:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-feature-img { height: 228px; background: url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat; position: relative; }
.news-feature-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(25,20,16,0.1), rgba(25,20,16,0.5)); }
.news-feature-body { padding: 24px 26px; display: flex; flex-direction: column; flex: 1; }
.news-topline { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.news-badge {
  display: inline-block;
  background: var(--color-info-bg);
  color: var(--color-deep-gold);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.news-feature-item .news-feature { min-height: 335px; gap: 0; }
.news-item-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-title);
  margin-bottom: 12px;
  line-height: 1.55;
}
.news-excerpt { font-size: 14px; color: var(--color-body); line-height: 1.8; flex: 1; margin-bottom: 18px; }
.news-meta { display: flex; align-items: center; gap: 5px; font-size: 13px; color: var(--color-muted); justify-content: space-between; flex-wrap: wrap; }
.news-meta .time { display: inline-flex; align-items: center; gap: 6px; }
.news-card {
  border-radius: 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-card);
  padding: 24px;
  display: block;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s;
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: #D8C9AD; }
.news-card .news-item-title {
  font-size: 18px;
  margin-bottom: 8px;
  transition: color 0.25s;
}
.news-card:hover .news-item-title { color: var(--color-deep-gold); }
.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed var(--color-primary);
  background: var(--color-info-bg);
  color: var(--color-muted);
  text-align: center;
  padding: 60px 20px;
  border-radius: 16px;
  font-size: 15px;
}

/* ---------- FAQ ---------- */
.faq-section { background: #FFF; }
.faq-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 64px; align-items: start; }
.faq-col { display: flex; flex-direction: column; }
.faq-item {
  border-bottom: 1px solid var(--color-line);
  transition: border-color 0.3s;
}
.faq-item + .faq-item { margin-top: 0; }
.faq-item:first-child { border-top: 1px solid var(--color-line); }
details.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 38px 20px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-title);
  position: relative;
  transition: color 0.25s;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 24px;
  height: 24px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform 0.25s var(--ease), content 0s;
}
details.faq-item[open] summary { color: var(--color-deep-gold); }
details.faq-item[open] summary::after { content: "×"; transform: translateY(-50%) rotate(90deg); }
.faq-answer {
  padding: 0 34px 22px 0;
  color: var(--color-body);
  font-size: 15px;
  line-height: 1.9;
  animation: fadeIn 0.3s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-6px);} to { opacity: 1; transform: none;} }

/* ---------- 转化表单 ---------- */
.contact-section {
  background: linear-gradient(135deg, #F4F1EA 0%, #FBF8F2 100%);
}
.form-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  background: #FFF;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-line);
}
.form-aside {
  background: var(--color-ink);
  padding: 48px 40px;
  color: #EDE3D0;
  position: relative;
}
.form-aside::after {
  content: "尊";
  font-family: var(--font-serif);
  position: absolute;
  right: -16px;
  bottom: -20px;
  font-size: 200px;
  color: rgba(216,185,118,0.08);
  line-height: 1;
  pointer-events: none;
}
.form-aside h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 800;
  color: #F9EEDB;
  line-height: 1.5;
  margin-bottom: 14px;
}
.form-aside p { font-size: 15px; color: rgba(235,227,210,0.75); line-height: 1.9; margin-bottom: 30px; }
.contact-guide { display: flex; flex-direction: column; gap: 14px; }
.contact-guide li { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; }
.contact-guide li .num {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 12px;
  margin-top: 4px;
}
.form-panel { padding: 48px 44px; }
.form-title { font-family: var(--font-serif); font-size: 24px; color: var(--color-title); font-weight: 800; margin-bottom: 6px; }
.form-subtitle { font-size: 14px; color: var(--color-muted); margin-bottom: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { display: flex; flex-direction: column; }
.form-label { font-size: 13px; color: var(--color-title); font-weight: 600; margin-bottom: 7px; }
.input-base {
  width: 100%;
  height: 46px;
  border: 1px solid #D8CFC0;
  background: #FDFCF9;
  border-radius: 8px;
  padding: 0 14px;
  color: var(--color-title);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input-base:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(184,147,79,0.13); }
textarea.input-base { height: auto; min-height: 100px; padding: 12px 14px; resize: vertical; line-height: 1.6; }
.form-error-line { font-size: 13px; color: var(--color-accent); margin-top: 6px; min-height: 18px; }
.form-submit { margin-top: 8px; width: 100%; }
.form-rule { font-size: 12px; color: var(--color-muted); text-align: center; margin-top: 14px; }
.form-success {
  display: none;
  text-align: center;
  padding: 34px 18px;
  background: #F0F7F1;
  border-radius: 14px;
  margin-top: 14px;
  color: var(--color-success);
}
.form-success .icon { font-size: 44px; margin-bottom: 10px; }
.form-success.visible { display: block; }

/* ---------- 最终CTA ---------- */
.final-cta {
  position: relative;
  padding: 110px 0;
  background: var(--color-ink);
  overflow: hidden;
  text-align: center;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.18;
}
.final-cta .inner { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.final-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 2.8vw + 0.8rem, 3rem);
  font-weight: 800;
  color: #FFF4E0;
  line-height: 1.4;
  margin-bottom: 20px;
}
.final-cta p { color: rgba(240, 233, 221, 0.85); font-size: 16px; margin-bottom: 36px; line-height: 1.9; }
.final-cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.chapter-pattern {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 320px;
  font-family: var(--font-serif);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(216,185,118,0.08);
  pointer-events: none;
  white-space: nowrap;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #191410;
  border-top: 1px solid rgba(216, 185, 118, 0.25);
  color: var(--color-footer-text);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1.4fr;
  gap: 48px;
  padding: 62px 0 42px;
}
.footer-brand .brand-text { color: #E7D5B1; font-size: 22px; }
.footer-brand p { font-size: 14px; line-height: 1.85; margin-top: 15px; }
.footer-col-title {
  font-size: 15px;
  font-weight: 700;
  color: #EBD9B8;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(216,185,118,0.16);
  position: relative;
}
.footer-col-title::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--color-primary);
}
.footer-links { display: flex; flex-direction: column; gap: 6px; }
.footer-links a { font-size: 14px; color: #A99D8B; padding: 5px 0; transition: color 0.2s, padding-left 0.2s; }
.footer-links a:hover { color: var(--color-light-gold); padding-left: 5px; }
.footer-info { font-size: 13px; line-height: 2; color: #8F8576; }
.footer-copyright {
  border-top: 1px solid rgba(216,185,118,0.12);
  padding: 20px 0;
  font-size: 13px;
  text-align: center;
  color: #8F8475;
}
.footer-copyright a { color: #A89A86; }

/* ---------- 响应式 ---------- */
@media screen and (max-width: 1280px) {
  .latest-grid { grid-template-columns: 1fr 1fr; }
  .news-feature { grid-row: span 2; }
}
@media screen and (max-width: 1024px) {
  :root { --space-section: 74px; }
  .main-nav { display: none; }
  .nav-burger { display: flex; }
  .nav-actions .header-cta { display: none; }
  .hero-wrap { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding-top: 130px; padding-bottom: 72px; }
  .hero-panel { max-width: 380px; margin: 0 auto; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .metric-item + .metric-item { border-left: none; padding-left: 0; }
  .metric-item:nth-child(odd) { border-right: 1px solid var(--color-line); padding-right: 28px; }
  .metric-item:nth-child(even) { padding-left: 28px; }
  .compare-grid { grid-template-columns: 1fr; gap: 38px; }
  .form-layout { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
  .faq-layout { grid-template-columns: 1fr; gap: 0; }
}
@media screen and (max-width: 768px) {
  :root { --space-section: 60px; }
  .site-header { height: 56px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 34px; }
  .section-title { font-size: 1.8rem; line-height: 1.5; }
  .matrix-grid { grid-template-columns: 1fr; }
  .matrix-cell { min-height: 190px; }
  .latest-grid { grid-template-columns: 1fr; }
  .news-feature { grid-row: auto; }
  .hero h1 { font-size: 2.3rem; }
  .hero-wrap { gap: 30px; }
  .hero-summary { font-size: 15px; }
  .form-row { grid-template-columns: 1fr; }
  .form-panel { padding: 32px 24px; }
  .form-aside { padding: 38px 26px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media screen and (max-width: 640px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .metric-item + .metric-item { border-top: 1px dashed var(--color-line); padding-top: 24px; margin-top: 8px; }
  .metric-item::after,
  .metric-item:nth-child(odd) { border-right: none; padding-right: 0; }
  .metric-item:nth-child(even) { padding-left: 0; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 10px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-copyright { text-align: left; padding-left: 4%; padding-right: 4%; }
  .compare-visual { margin-top: 8px; }
}

/* roulang page: article */
:root {
  --ink: #211D18;
  --ink-2: #4C463C;
  --muted: #7C7465;
  --bg: #F7F4EE;
  --soft: #FAF8F3;
  --white: #FFFFFF;
  --gold: #B8934F;
  --gold-deep: #977A3E;
  --gold-line: #D9BC7E;
  --cinnabar: #A62921;
  --cinnabar-deep: #872019;
  --cinnabar-active: #6A1713;
  --line: #E7E0D3;
  --line-gold: rgba(184,147,79,0.28);
  --shadow-sm: 0 6px 20px rgba(57,44,24,0.06);
  --shadow-lg: 0 16px 38px rgba(57,44,24,0.14);
  --radius: 14px;
  --radius-lg: 20px;
  --font-title: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  cursor: pointer;
}
input,
textarea,
select {
  font-family: inherit;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--gold-line);
  outline-offset: 3px;
}
::selection {
  background: rgba(184,147,79,0.28);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(247,244,238,0.94);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(231,224,211,0.8);
}
.nav-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand-seal {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 20px;
  color: var(--cinnabar);
  background: rgba(184,147,79,0.12);
  border: 1px solid rgba(184,147,79,0.56);
  border-radius: 10px 10px 10px 3px;
}
.brand-text {
  font-family: var(--font-title);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
}
.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  transition: color .2s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: 7px;
  width: 0;
  height: 2px;
  background: var(--gold-deep);
  transition: width .2s ease;
}
.nav-links a:hover {
  color: var(--cinnabar);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 18px;
}
.nav-links a.active {
  color: var(--cinnabar);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0) scale(0.98);
}
.btn-sm {
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
.btn-primary {
  background: var(--cinnabar);
  color: #fff;
  box-shadow: 0 8px 20px rgba(166,41,33,0.18);
}
.btn-primary:hover {
  background: var(--cinnabar-deep);
}
.btn-primary:active {
  background: var(--cinnabar-active);
  box-shadow: none;
}
.btn-ghost {
  background: rgba(255,255,255,0.6);
  color: var(--gold-deep);
  border-color: rgba(184,147,79,0.62);
}
.btn-ghost:hover {
  background: rgba(184,147,79,0.12);
}
.btn-ghost:active {
  background: rgba(184,147,79,0.2);
}
.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  margin-left: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink-2);
  border-radius: 99px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-burger.active span:nth-child(2) {
  opacity: 0;
}
.nav-burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.entry-shell {
  width: min(880px, 100%);
  margin: 38px auto 0;
  padding-left: 24px;
  padding-right: 24px;
}
.crumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}
.crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.crumb a {
  color: var(--gold-deep);
  transition: color .2s ease;
}
.crumb a:hover {
  color: var(--cinnabar);
}
.crumb-sep {
  color: #BBB3A4;
}
.crumb-current {
  color: var(--muted);
}
.article-card {
  background: var(--white);
  border: 1px solid rgba(231,224,211,0.92);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 46px 54px 54px;
  transition: box-shadow .25s ease;
}
.article-card:hover {
  box-shadow: var(--shadow-lg);
}
.article-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 32px;
  margin-bottom: 34px;
}
.article-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-deep);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.article-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold);
}
.article-title {
  font-family: var(--font-title);
  font-size: clamp(1.9rem, 2.4vw + 1rem, 2.9rem);
  font-weight: 800;
  line-height: 1.35;
  margin: 18px 0 20px;
  color: var(--ink);
  letter-spacing: 0;
  word-break: break-word;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-size: 14px;
  color: var(--muted);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 22px;
}
.meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold-line);
}
.meta-item .meta-tag {
  background: #F0EAE0;
  color: var(--gold-deep);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.article-body {
  font-family: var(--font-title);
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-2);
  word-break: break-word;
}
.article-body p {
  margin: 0 0 1.35em;
}
.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--ink);
  line-height: 1.45;
  margin: 1.6em 0 0.7em;
}
.article-body h2 {
  font-size: 1.7rem;
  font-weight: 800;
}
.article-body h3 {
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--gold-deep);
}
.article-body h4 {
  font-size: 1.08rem;
  font-weight: 700;
}
.article-body a {
  color: var(--cinnabar);
  text-decoration: underline;
  text-decoration-color: rgba(166,41,33,0.4);
  text-underline-offset: 4px;
  transition: text-decoration-color .2s ease;
}
.article-body a:hover {
  text-decoration-color: var(--cinnabar);
}
.article-body ul,
.article-body ol {
  margin: 0 0 1.4em;
  padding-left: 1.6em;
}
.article-body li {
  margin-bottom: 0.5em;
}
.article-body blockquote {
  margin: 1.6em 0;
  padding: 16px 22px;
  background: #FBF8F2;
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
  color: var(--ink-2);
  font-size: 16px;
}
.article-body blockquote p:last-child {
  margin-bottom: 0;
}
.article-body img {
  border: 1px solid rgba(225,215,199,0.9);
  border-radius: 14px;
  margin: 24px 0;
}
.article-body figure {
  margin: 28px 0;
  text-align: center;
}
.article-body figcaption {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 1.8em 0;
  font-family: var(--font-body);
  font-size: 14px;
}
.article-body th,
.article-body td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.article-body th {
  background: var(--soft);
  color: var(--ink);
  font-weight: 700;
}
.article-body tr:last-child td {
  border-bottom: none;
}
.article-body code {
  background: #F0EAE0;
  border-radius: 6px;
  padding: 2px 8px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.88em;
  color: var(--cinnabar-deep);
}
.article-body pre {
  background: #191410;
  color: #f4efe6;
  padding: 22px;
  border-radius: 12px;
  overflow-x: auto;
  line-height: 1.7;
  margin: 1.8em 0;
}
.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.article-footer-note {
  margin-top: 46px;
  padding: 18px 20px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--muted);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  line-height: 1.75;
}
.article-footer-note strong {
  color: var(--gold-deep);
  font-weight: 700;
  white-space: nowrap;
}

.continue-area {
  margin-top: 42px;
  padding: 36px 0 12px;
}
.continue-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.continue-head h2 {
  font-family: var(--font-title);
  font-size: 1.7rem;
  font-weight: 800;
  margin: 0;
  color: var(--ink);
}
.continue-head p {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--muted);
}
.continue-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.continue-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.continue-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(184,147,79,0.45);
}
.continue-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #EFE8DC;
}
.continue-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.continue-card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  flex: 1;
}
.continue-card-body h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  color: var(--ink);
  line-height: 1.5;
}
.continue-card-body p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
  flex: 1;
}
.continue-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  transition: color .2s ease;
}
.continue-card:hover .continue-arrow {
  color: var(--gold-deep);
}

.consult-panel {
  margin: 52px 0 72px;
  background: #191410;
  border-radius: 20px;
  padding: 44px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.consult-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  pointer-events: none;
}
.consult-info,
.consult-actions {
  position: relative;
  z-index: 1;
}
.consult-info h2 {
  font-family: var(--font-title);
  color: #fff;
  font-size: 1.7rem;
  font-weight: 800;
  margin: 0 0 10px;
  line-height: 1.4;
}
.consult-info p {
  color: #B9AD97;
  font-size: 15px;
  margin: 0;
  max-width: 560px;
}
.consult-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn-gold {
  background: var(--gold);
  color: #191410;
}
.btn-gold:hover {
  background: var(--gold-line);
}
.btn-outline-light {
  background: transparent;
  color: #E8DFCE;
  border-color: rgba(216,185,118,0.55);
}
.btn-outline-light:hover {
  background: rgba(184,147,79,0.14);
}

.empty-state {
  max-width: 680px;
  margin: 90px auto;
  padding: 70px 28px;
  text-align: center;
  background: var(--white);
  border: 1px dashed #D9CFBD;
  border-radius: var(--radius-lg);
}
.empty-state .empty-code {
  font-family: var(--font-title);
  font-size: 76px;
  font-weight: 800;
  color: rgba(184,147,79,0.3);
  line-height: 1;
  margin: 0 0 10px;
}
.empty-state h1 {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 20px;
  color: var(--ink);
}
.empty-state .btn {
  margin-top: 4px;
}

.site-footer {
  background: #191410;
  padding: 56px 0 20px;
  color: #C6BDAF;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr 1.2fr;
  gap: 42px;
  padding-bottom: 34px;
}
.footer-brand .brand-text {
  color: #F4EFE6;
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 800;
}
.footer-brand p {
  font-size: 14px;
  color: #A99F8E;
  line-height: 1.8;
  max-width: 320px;
  margin-top: 14px;
}
.footer-col-title {
  color: #E5DAC7;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  font-family: var(--font-title);
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li + li {
  margin-top: 10px;
}
.footer-links a {
  color: #A99F8E;
  font-size: 14px;
  line-height: 1.6;
  transition: color .2s ease;
}
.footer-links a:hover {
  color: #EFDFBE;
}
.footer-info {
  font-size: 14px;
  line-height: 1.75;
  color: #A99F8E;
}
.footer-info a {
  color: #D2C2A3;
}
.footer-info a:hover {
  color: #F2E3C2;
}
.container-footer-copyright {
  padding: 0;
}

@media (max-width: 1024px) {
  .container {
    padding-left: 22px;
    padding-right: 22px;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .continue-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-wrap {
    min-height: 58px;
  }
  .brand-text {
    font-size: 18px;
  }
  .nav-actions .btn-ghost {
    display: none;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    right: 0;
    width: min(300px, 84vw);
    background: #fff;
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0 0 0 18px;
    box-shadow: -10px 18px 36px rgba(28,20,10,0.16);
    padding: 10px 14px 20px;
    transform: translateX(110%);
    transition: transform .26s ease;
    display: block;
  }
  .main-nav.open {
    transform: translateX(0);
  }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links a {
    min-height: 46px;
    padding: 0 12px;
  }
  .nav-links a::after {
    left: 12px;
  }
  .nav-burger {
    display: inline-flex;
  }
  .entry-shell {
    padding-left: 16px;
    padding-right: 16px;
    margin-top: 24px;
  }
  .article-card {
    padding: 30px 22px 32px;
    border-radius: 16px;
  }
  .article-kicker {
    letter-spacing: 0.06em;
  }
  .article-title {
    font-size: 1.7rem;
    margin-top: 14px;
  }
  .article-body {
    font-size: 16px;
  }
  .continue-grid {
    grid-template-columns: 1fr;
  }
  .consult-panel {
    padding: 34px 22px;
    margin-bottom: 52px;
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .container-footer-copyright {
    text-align: center;
  }
}

@media (max-width: 520px) {
  .nav-actions {
    gap: 4px;
  }
  .brand {
    gap: 8px;
  }
  .brand-seal {
    width: 34px;
    height: 34px;
    font-size: 18px;
  }
  .brand-text {
    font-size: 17px;
  }
  .entry-shell {
    padding-left: 14px;
    padding-right: 14px;
  }
  .article-card {
    padding: 24px 16px 26px;
  }
  .article-meta {
    gap: 8px 12px;
  }
  .continue-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .continue-head p {
    margin: 0;
  }
  .consult-info h2 {
    font-size: 1.35rem;
  }
  .button-row {
    width: 100%;
  }
  .consult-actions .btn {
    flex: 1;
    min-width: 140px;
  }
}

/* roulang page: category1 */
:root {
  --deep-ink: #191410;
  --deep-panel: #221C16;
  --gold: #B8934F;
  --gold-dark: #977A3E;
  --gold-light: #D9BC7E;
  --cinnabar: #A62921;
  --cinnabar-dark: #872019;
  --paper: #F7F4EE;
  --card: #FFFFFF;
  --line: #E7E0D3;
  --text: #211D18;
  --text-body: #4C463C;
  --text-weak: #7C7465;
  --success: #2F7D4B;
  --warning: #A97700;
  --tag-bg: #F0EAE0;
  --safe: #8F8475;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow: 0 6px 20px rgba(57, 44, 24, .06);
  --shadow-hover: 0 14px 32px rgba(57, 44, 24, .14);
  --serif: "Noto Serif SC", "Source Han Serif SC", SimSun, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text-body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
ul, ol { list-style:none; }
button, input, select, textarea { font:inherit; color:inherit; }
h1,h2,h3,h4 { font-family:var(--serif); color:var(--text); line-height:1.35; }
h1 { font-size:clamp(2.15rem, 3.4vw + 1.2rem, 3.55rem); font-weight:800; letter-spacing:.02em; }
h2 { font-size:clamp(1.6rem, 2vw + 1rem, 2.15rem); font-weight:800; }
h3 { font-size:1.25rem; font-weight:700; }
.container { width:min(1200px, calc(100% - 48px)); margin-inline:auto; }
.section { padding:88px 0; }
.section-head { max-width:820px; margin-bottom:46px; }
.section-kicker {
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--gold-dark);
  margin-bottom:18px;
}
.section-kicker::before {
  content:"";
  width:30px;
  height:1px;
  background:var(--gold-light);
}
.section-title { margin-bottom:16px; }
.section-head p { font-size:16px; max-width:720px; color:var(--text-weak); }

:focus-visible { outline:2px solid var(--gold); outline-offset:4px; border-radius:4px; }
:focus:not(:focus-visible) { outline:none; }

.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:all .22s ease;
  cursor:pointer;
  border:1px solid transparent;
  line-height:1;
}
.btn-primary { background:var(--cinnabar); color:#fff; border-color:var(--cinnabar); }
.btn-primary:hover { background:var(--cinnabar-dark); transform:translateY(-1px); box-shadow:0 10px 24px rgba(166,41,33,.16); }
.btn-primary:active { transform:translateY(0); box-shadow:none; }
.btn-outline { background:#fff; color:var(--gold-dark); border-color:var(--gold-light); }
.btn-outline:hover { background:rgba(185,147,79,.08); color:var(--text); border-color:var(--gold); }
.btn-outline:active { transform:scale(.98); }
.btn-ghost { background:transparent; color:var(--gold-light); border-color:rgba(216,185,118,.55); }
.btn-ghost:hover { background:rgba(216,185,118,.1); color:#fff; }
.btn-ghost:active { transform:scale(.98); }
.btn-sm { min-height:38px; padding:0 18px; font-size:13px; }
.btn-gold { background:var(--gold); color:var(--deep-ink); border-color:var(--gold); }
.btn-gold:hover { background:var(--gold-light); transform:translateY(-1px); box-shadow:0 10px 24px rgba(185,147,79,.25); }
.btn-gold:active { transform:translateY(0); }

.site-header {
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,238,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(185,147,79,.18);
}
.nav-wrap { display:flex; align-items:center; gap:26px; height:64px; position:relative; }
.brand { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.brand-seal {
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  background:var(--deep-ink);
  color:var(--gold-light);
  font-family:var(--serif);
  font-weight:800;
  font-size:20px;
  border-radius:8px;
  box-shadow:inset 0 0 0 1px rgba(216,185,118,.45);
}
.brand-text { font-family:var(--serif); font-weight:800; font-size:18px; color:var(--text); letter-spacing:.04em; white-space:nowrap; }
.main-nav { margin-left:auto; }
.nav-links { display:flex; align-items:center; gap:34px; }
.nav-links a {
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:14px;
  font-weight:500;
  color:var(--text-body);
  position:relative;
  letter-spacing:.02em;
  transition:color .2s;
}
.nav-links a:hover { color:var(--cinnabar); }
.nav-links a.active { color:var(--cinnabar); font-weight:700; }
.nav-links a.active::after {
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:3px;
  height:2px;
  background:var(--gold);
  border-radius:2px;
}
.nav-actions { display:flex; align-items:center; gap:12px; }
.header-cta { color:var(--gold-dark); }
.nav-burger { display:none; width:42px; height:42px; border:none; background:transparent; cursor:pointer; flex-direction:column; align-items:center; justify-content:center; gap:5px; }
.nav-burger span { display:block; width:20px; height:2px; background:var(--text); transition:.25s; border-radius:2px; }
.nav-burger.active span:nth-child(1) { transform:translateY(4px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { transform:translateY(-4px) rotate(-45deg); }

.page-hero { padding:64px 0 64px; background:var(--paper); border-bottom:1px solid var(--line); }
.page-hero-inner { display:grid; grid-template-columns:58fr 42fr; gap:52px; align-items:center; }
.breadcrumb { display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:13px; color:var(--text-weak); margin-bottom:22px; }
.breadcrumb a { color:var(--gold-dark); transition:color .2s; }
.breadcrumb a:hover { color:var(--cinnabar); }
.breadcrumb .sep { color:var(--line); }
.breadcrumb .active { color:var(--text-body); }
.hero-badge {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--gold-dark);
  border:1px solid rgba(216,185,118,.8);
  background:rgba(216,185,118,.1);
  border-radius:100px;
  margin-bottom:20px;
  white-space:nowrap;
}
.hero-badge::before { content:""; width:6px; height:6px; border-radius:50%; background:var(--gold); }
.hero-title { margin-bottom:22px; max-width:620px; }
.hero-lead { font-size:17px; line-height:1.85; color:var(--text-body); max-width:560px; margin-bottom:30px; }
.hero-lead strong { color:var(--cinnabar); font-weight:700; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; margin-bottom:26px; }
.hero-trust { display:flex; flex-wrap:wrap; align-items:center; gap:21px; font-size:13px; color:var(--text-weak); }
.trust-item { position:relative; display:flex; align-items:center; gap:6px; }
.trust-item + .trust-item::before { content:"·"; position:absolute; left:-13px; color:var(--line); }
.trust-item span { color:var(--gold-dark); font-family:var(--serif); font-size:15px; font-weight:700; margin-right:2px; }

.hero-visual { position:relative; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow); min-height:330px; background:var(--deep-panel); }
.hero-visual img { width:100%; height:100%; min-height:330px; object-fit:cover; }
.hero-visual::after { content:""; position:absolute; inset:0; background:linear-gradient(155deg, rgba(25,20,16,.15) 0%, rgba(25,20,16,.55) 60%, rgba(25,20,16,.86) 100%); }
.hero-visual-card { position:absolute; left:24px; right:24px; bottom:22px; z-index:2; background:rgba(34,28,22,.2); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); border:1px solid rgba(216,185,118,.35); border-radius:var(--radius-md); padding:22px 22px; color:#fff; }
.hero-visual-card .card-label { font-size:12px; color:var(--gold-light); letter-spacing:.18em; margin-bottom:10px; }
.hero-visual-card .card-name { font-family:var(--serif); font-size:22px; font-weight:800; letter-spacing:.05em; line-height:1.5; }
.hero-visual-card .card-desc { margin-top:10px; font-size:14px; color:rgba(255,255,255,.88); }
.hero-verify { position:absolute; top:16px; left:16px; z-index:2; display:inline-flex; align-items:center; gap:7px; padding:7px 14px; border-radius:100px; font-size:12px; color:var(--gold-light); background:rgba(25,20,16,.5); border:1px solid rgba(216,185,118,.3); backdrop-filter:blur(6px); }
.hero-verify::before { content:""; width:6px; height:6px; border-radius:50%; background:#2F7D4B; }

.guide-intro { background:var(--deep-ink); color:#fff; border-radius:var(--radius-lg); padding:38px 36px; position:relative; overflow:hidden; border:1px solid rgba(216,185,118,.2); }
.guide-intro::before { content:"尊"; position:absolute; right:28px; bottom:-40px; font-family:var(--serif); font-size:180px; font-weight:800; color:rgba(216,185,118,.06); line-height:1; }
.guide-intro .guide-icon { width:46px; height:46px; border-radius:10px; display:grid; place-items:center; background:var(--gold); color:var(--deep-ink); font-family:var(--serif); font-weight:800; font-size:22px; margin-bottom:16px; }
.guide-intro h2 { font-family:var(--serif); color:#fff; margin-bottom:14px; font-size:24px; }
.guide-intro p { color:rgba(255,255,255,.86); max-width:720px; font-size:16px; }
.guide-intro .guide-tag-list { display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.guide-tag {
  padding:7px 14px;
  font-size:12px;
  color:var(--gold-light);
  background:rgba(185,147,79,.13);
  border:1px solid rgba(216,185,118,.4);
  border-radius:100px;
}

.steps-section { background:#fff; }
.steps-wrap { max-width:860px; margin:0 auto; }
.steps-timeline { position:relative; margin:0; padding:0; }
.steps-timeline::before { content:""; position:absolute; left:23px; top:16px; bottom:20px; width:1px; background:linear-gradient(to bottom, var(--gold-light), rgba(185,147,79,.1)); }
.step-item { position:relative; display:flex; gap:28px; padding:10px 0 48px; }
.step-item:last-child { padding-bottom:0; }
.step-number { width:46px; height:46px; flex-shrink:0; display:grid; place-items:center; border-radius:50%; background:var(--deep-ink); color:var(--gold-light); font-family:var(--serif); font-weight:800; font-size:18px; border:1px solid rgba(216,185,118,.5); z-index:1; box-shadow:0 0 0 8px rgba(247,244,238,.85); }
.step-body { flex:1; padding-top:4px; }
.step-body h3 { font-family:var(--sans); font-size:18px; font-weight:700; color:var(--text); margin-bottom:8px; }
.step-body h3 em { font-style:normal; color:var(--gold-dark); margin-right:8px; font-size:14px; letter-spacing:.08em; }
.step-body p { font-size:15px; color:var(--text-body); line-height:1.8; max-width:640px; }

.prepare-section { background:var(--paper); }
.split-grid { display:grid; grid-template-columns:1fr 1.05fr; gap:58px; align-items:center; }
.split-media { position:relative; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow); }
.split-media img { width:100%; height:420px; object-fit:cover; }
.split-media figcaption { position:absolute; left:14px; bottom:14px; padding:14px 18px; background:rgba(25,20,16,.72); border-radius:8px; color:#fff; font-size:14px; border-left:3px solid var(--gold); }
.split-media figcaption span { color:var(--gold-light); margin-right:4px; }
.check-list { display:flex; flex-direction:column; gap:0; margin-top:28px; }
.check-list li { position:relative; padding:16px 0 16px 52px; border-bottom:1px solid var(--line); transition:background .2s; border-radius:6px; }
.check-list li:last-child { border-bottom:none; }
.check-list li::before { content:"✓"; position:absolute; left:0; top:18px; width:32px; height:32px; display:grid; place-items:center; font-size:15px; color:var(--gold-dark); background:rgba(185,147,79,.1); border-radius:8px; }
.check-list b { color:var(--text); font-weight:700; display:block; margin-bottom:2px; }

.compare-section { background:var(--deep-ink); }
.compare-section .section-title { color:#fff; }
.compare-section .section-head p { color:rgba(255,255,255,.66); }
.compare-section .section-kicker { color:var(--gold-light); }
.compare-grid { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.compare-card { border-radius:var(--radius-lg); padding:30px 30px 32px; }
.compare-card-negative { background:#231C19; border:1px solid rgba(255,255,255,.08); color:rgba(255,255,255,.7); }
.compare-card-positive { background:var(--deep-panel); border:1px solid rgba(216,185,118,.48); color:rgba(255,255,255,.82); position:relative; }
.compare-card-positive .success-label { position:absolute; top:-12px; right:20px; background:var(--gold); color:var(--deep-ink); font-size:13px; font-weight:700; padding:3px 12px; border-radius:20px; letter-spacing:.04em; }
.compare-card h3 { font-family:var(--sans); font-size:17px; font-weight:800; color:#fff; margin:14px 0 18px; }
.compare-card ul { display:flex; flex-direction:column; gap:12px; }
.compare-card ul li { position:relative; padding-left:24px; font-size:15px; line-height:1.65; }
.compare-card-negative ul li::before { content:"×"; position:absolute; left:0; top:-1px; width:18px; height:18px; color:#fff; background:rgba(120,100,80,.3); border-radius:50%; font-size:12px; display:grid; place-items:center; }
.compare-card-positive ul li::before { content:"✓"; position:absolute; left:0; top:-1px; width:18px; height:18px; color:var(--deep-ink); background:var(--gold-light); border-radius:50%; font-size:12px; display:grid; place-items:center; }
.compare-metrics { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:44px; }
.metric-card { padding:20px 18px; text-align:center; border-radius:var(--radius-md); background:rgba(255,255,255,.035); border:1px solid rgba(216,185,118,.15); }
.metric-card b { display:block; font-family:var(--serif); font-size:34px; color:var(--gold-light); font-weight:800; line-height:1.2; margin-bottom:6px; }
.metric-card span { font-size:13px; color:rgba(255,255,255,.5); display:block; }

.resource-section { background:var(--paper); }
.resource-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.resource-card { background:var(--card); border:1px solid rgba(231,224,211,.6); border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow); transition:transform .24s, box-shadow .24s; display:flex; flex-direction:column; min-height:380px; padding:0; }
.resource-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-hover); }
.resource-image { width:100%; height:190px; overflow:hidden; }
.resource-image img { width:100%; height:100%; object-fit:cover; transition:transform .4s; }
.resource-card:hover .resource-image img { transform:scale(1.03); }
.resource-content { padding:24px 24px 26px; display:flex; flex:1; flex-direction:column; }
.resource-content .tagline { display:inline-block; align-self:flex-start; padding:4px 12px; font-size:12px; letter-spacing:.06em; color:var(--gold-dark); background:var(--tag-bg); border-radius:100px; margin-bottom:14px; }
.resource-content h3 { font-family:var(--sans); font-size:18px; font-weight:800; color:var(--text); margin-bottom:10px; }
.resource-content p { font-size:14px; color:var(--text-weak); line-height:1.75; flex:1; }
.resource-action { display:inline-flex; align-items:center; gap:6px; margin-top:18px; color:var(--gold-dark); font-size:14px; font-weight:700; transition:color .2s, gap .2s; }
.resource-action:hover { color:var(--cinnabar); gap:10px; }
.resource-action svg, .resource-action .arrow { font-style:normal; transition:transform .2s; }
.resource-card:hover .resource-action .arrow { transform:translateX(4px); }

.faq-section { background:#fff; }
.faq-inner { max-width:900px; margin:0 auto; }
.faq-item { border-bottom:1px solid var(--line); }
.faq-item:first-of-type { border-top:1px solid var(--line); }
.faq-item summary {
  display:flex;
  align-items:center;
  column-gap:20px;
  padding:22px 4px;
  cursor:pointer;
  font-weight:600;
  font-size:16px;
  color:var(--text);
  list-style:none;
  transition:color .2s;
  user-select:none;
}
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary:hover { color:var(--gold-dark); }
.faq-item[open] summary { color:var(--gold-dark); }
.faq-item .faq-icon { position:relative; width:28px; height:28px; min-width:28px; border-radius:50%; border:1px solid var(--gold-light); margin-left:auto; transition:.2s; }
.faq-item .faq-icon::before,
.faq-item .faq-icon::after { content:""; position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); background:var(--gold-dark); width:12px; height:1.5px; border-radius:2px; }
.faq-item .faq-icon::after { transform:translate(-50%,-50%) rotate(90deg); transition:.2s; }
.faq-item[open] .faq-icon::after { transform:translate(-50%,-50%) rotate(0deg); }
.faq-item[open] .faq-icon { background:var(--gold); border-color:var(--gold); }
.faq-item[open] .faq-icon::before { background:var(--deep-ink); }
.faq-answer { padding:0 4px 24px 48px; color:var(--text-weak); font-size:15px; line-height:1.8; }
.faq-answer a { color:var(--gold-dark); font-weight:600; }

.contact-section { background:var(--paper); }
.contact-grid { display:grid; grid-template-columns:0.95fr 1.05fr; gap:44px; align-items:start; }
.contact-info { background:var(--deep-ink); border-radius:var(--radius-lg); padding:38px 34px; color:#fff; border:1px solid rgba(216,185,118,.2); position:sticky; top:84px; }
.contact-info h2 { color:#fff; font-size:28px; margin-bottom:16px; }
.contact-info p { color:rgba(255,255,255,.78); font-size:15px; line-height:1.85; margin-bottom:26px; }
.contact-item { display:flex; align-items:center; gap:12px; padding:12px 0; border-bottom:1px solid rgba(255,255,255,.08); font-size:14px; }
.contact-item:last-child { border-bottom:none; }
.contact-item i { font-style:normal; color:var(--gold-light); font-family:var(--serif); }
.form-card { background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); padding:30px; box-shadow:var(--shadow); }
.form-card .form-title { font-family:var(--serif); font-size:22px; font-weight:800; color:var(--text); margin-bottom:4px; }
.form-card .form-sub { color:var(--text-weak); font-size:14px; margin-bottom:26px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:13px; font-weight:600; color:var(--text-body); margin-bottom:6px; }
.form-group label i { color:var(--cinnabar); font-style:normal; margin-left:2px; }
.form-control {
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid #DED4C4;
  border-radius:var(--radius-sm);
  background:#FCFAF6;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s, box-shadow .2s, background .2s;
}
.form-control:focus { outline:none; border-color:var(--gold); box-shadow:0 0 0 3px rgba(185,147,79,.14); background:#fff; }
textarea.form-control { height:110px; padding-top:12px; resize:vertical; }
.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 d='M1 1l5 5 5-5' stroke='%23977A3E' stroke-width='1.6' fill='none'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 16px center; }
.form-submit { width:100%; margin-top:8px; }
.form-note { font-size:12px; color:var(--text-weak); margin-top:16px; text-align:center; }

.final-cta { background:var(--deep-ink); color:#fff; text-align:center; position:relative; overflow:hidden; padding:76px 0; border-top:1px solid rgba(216,185,118,.2); }
.final-cta::before { content:"回"; position:absolute; left:0; top:0; width:150px; height:150px; opacity:.05; font-size:110px; font-family:var(--serif); line-height:1; transform:translate(-20%, -20%) rotate(15deg); }
.final-cta::after { content:"纹"; position:absolute; right:24px; bottom:-60px; opacity:.05; font-size:160px; font-family:var(--serif); line-height:1; }
.final-cta h2 { color:#fff; font-size:clamp(1.9rem, 2.4vw + 1rem, 2.6rem); margin-bottom:14px; }
.final-cta p { color:rgba(255,255,255,.75); max-width:640px; margin:0 auto 30px; }
.final-cta .btn-group { display:flex; flex-wrap:wrap; gap:14px; justify-content:center; }

.site-footer { background:var(--deep-ink); color:#fff; border-top:1px solid rgba(216,185,118,.18); }
.footer-main { display:grid; grid-template-columns:1.35fr .75fr .75fr 1.5fr; gap:40px; padding:60px 0 44px; }
.footer-brand .brand-text { display:inline-block; font-family:var(--serif); font-size:22px; color:#fff; margin-bottom:16px; letter-spacing:.04em; }
.footer-brand p { color:var(--safe); font-size:14px; line-height:1.9; margin-top:14px; max-width:320px; }
.footer-col-title { font-size:15px; font-weight:700; color:#fff; margin-bottom:18px; }
.footer-links { display:flex; flex-direction:column; gap:0; }
.footer-links a { display:inline-flex; align-items:center; min-height:32px; color:rgba(255,255,255,.68); font-size:14px; transition:color .2s; }
.footer-links a:hover { color:var(--gold-light); padding-left:4px; transition:padding-left .2s, color .2s; }
.footer-info { color:rgba(255,255,255,.6); font-size:14px; line-height:1.9; }
.container-footer-copyright { color:rgba(255,255,255,.35); font-size:13px; text-align:center; }
.container-footer-copyright p { color:#ACA399; }

@media (max-width: 1180px) {
  .page-hero-inner { grid-template-columns:1fr 1fr; gap:28px; }
  .hero-visual { min-height:300px; }
}
@media (max-width: 1024px) {
  .section { padding:72px 0; }
  .compare-grid { grid-template-columns:1fr; }
  .resource-grid { grid-template-columns:1fr 1fr; gap:20px; }
  .split-grid { grid-template-columns:1fr; gap:30px; }
  .split-image { max-height:400px; }
  .contact-grid { grid-template-columns:1fr; }
  .contact-info { position:static; }
  .footer-main { grid-template-columns:1fr 1fr; }
}
@media (max-width: 900px) {
  .main-nav {
    position:fixed;
    top:0;
    right:0;
    width:min(320px, 82vw);
    height:100vh;
    background:rgba(255,255,255,.98);
    margin:0;
    z-index:90;
    box-shadow:0 20px 44px rgba(25,20,16,.24);
    transform:translateX(104%);
    transition:transform .28s ease;
    padding:76px 24px 24px;
    border-left:1px solid var(--line);
  }
  .main-nav.open { transform:translateX(0); }
  .nav-links { flex-direction:column; align-items:stretch; gap:6px; }
  .nav-links a { min-height:46px; font-size:17px; padding:0 4px; justify-content:flex-start; }
  .nav-links a.active::after { left:0; right:auto; width:32px; }
  .nav-actions { margin-left:auto; }
  .nav-burger { display:flex; }
  .header-cta { display:none; }
  .page-hero { padding:36px 0 40px; }
  .page-hero-inner { grid-template-columns:1fr; }
  .page-hero-inner .hero-left { order:2; }
  .page-hero-inner .hero-media-wrap { order:1; }
  .hero-visual { min-height:280px; }
  .split-media img { height:340px; }
}
@media (max-width: 768px) {
  .container { width:min(100% - 36px, 1200px); }
  .section { padding:56px 0; }
  .section-head { margin-bottom:30px; }
  .hero-visual-card { left:16px; right:16px; bottom:14px; padding:16px 16px; }
  .step-item { padding-bottom:36px; }
}
@media (max-width: 640px) {
  .brand-text { font-size:15px; }
  .brand-seal { width:32px; height:32px; font-size:18px; }
  .nav-wrap { gap:12px; height:60px; }
  .page-hero { padding:28px 0 32px; }
  h1 { font-size:clamp(1.8rem, 5.4vw + .8rem, 2.5rem); }
  .hero-actions .btn { width:100%; }
  .btn { min-height:44px; }
  .resource-grid { grid-template-columns:1fr; }
  .resource-card { min-height:0; }
  .resource-image { height:220px; }
  .compare-card { padding:24px 18px; }
  .compare-metrics { grid-template-columns:1fr; row-gap:12px; }
  .form-row { grid-template-columns:1fr; }
  .footer-main { grid-template-columns:1fr; gap:28px; padding:44px 0 34px; }
  .guide-intro { padding:28px 22px; }
  .faq-answer { padding-left:0; }
}

/* roulang page: category2 */
:root {
  --gold: #B8934F;
  --gold-deep: #977A3E;
  --gold-light: #D9BC7E;
  --cinnabar: #A62921;
  --cinnabar-dark: #872019;
  --cinnabar-active: #6A1713;
  --ink: #191410;
  --panel-dark: #221C16;
  --paper: #F7F4EE;
  --card-bg: #FFFFFF;
  --dividers: #E7E0D3;
  --text-main: #211D18;
  --text-body: #4C463C;
  --text-muted: #7C7465;
  --success: #2F7D4B;
  --warn: #A97700;
  --tag-bg: #F0EAE0;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-default: 0 6px 20px rgba(57, 44, 24, 0.06);
  --shadow-hover: 0 14px 32px rgba(57, 44, 24, 0.13);
  --gold-line: rgba(216, 185, 118, 0.22);
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-body);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.72;
  min-width: 320px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  border: none;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
  outline-offset: 3px;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
  line-height: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

h1,
h2,
h3,
.brand-text,
.display-num {
  font-family: "Noto Serif SC", "Source Han Serif SC", SimSun, serif;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.15rem, 3.6vw + 1.1rem, 3.5rem);
  line-height: 1.18;
}

h2 {
  font-size: clamp(1.55rem, 1.8vw + 1rem, 2.05rem);
  line-height: 1.35;
}

h3 {
  font-size: 1.22rem;
  color: var(--text-main);
  line-height: 1.5;
}

.container {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

.section {
  padding: 88px 0;
  scroll-margin-top: 50px;
}

@media (max-width: 768px) {
  .section {
    padding: 58px 0;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.02em;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
.summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--cinnabar);
  color: #fff;
  box-shadow: 0 8px 18px rgba(166, 41, 33, 0.18);
}

.btn-primary:hover {
  background: var(--cinnabar-dark);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  background: var(--cinnabar-active);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.45);
  color: var(--ink);
  border: 1px solid var(--gold-deep);
}

.btn-ghost:hover {
  background: rgba(185, 147, 79, 0.1);
}

.btn-gold {
  background: var(--gold);
  color: #261708;
  border: 1px solid transparent;
}

.btn-gold:hover {
  background: var(--gold-light);
}

.btn-outline-light {
  background: transparent;
  color: #ECE4D5;
  border: 1px solid rgba(217, 188, 126, 0.7);
}

.btn-outline-light:hover {
  background: rgba(217, 188, 126, 0.15);
  color: #fff;
  border-color: var(--gold-light);
}

.btn-sm {
  min-height: 38px;
  padding: 0 17px;
  font-size: 13px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(247, 244, 238, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(231, 224, 211, 0.8);
  box-shadow: 0 2px 16px rgba(57, 44, 24, 0.04);
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  flex-shrink: 0;
}

.brand-seal {
  width: 33px;
  height: 33px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "Noto Serif SC", SimSun, serif;
  font-weight: 800;
  font-size: 17px;
  color: var(--paper);
  background: var(--cinnabar);
  border: 1px solid rgba(218, 190, 128, 0.55);
  border-radius: 8px 3px 8px 3px;
  box-shadow: 0 0 0 1px rgba(166, 41, 33, 0.2);
}

.brand-text {
  font-size: 18px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.main-nav {
  margin-left: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-body);
  letter-spacing: 0.02em;
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
  background: rgba(185, 147, 79, 0.08);
}

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

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 9px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border-radius: 8px;
}

.nav-burger span {
  display: block;
  width: 19px;
  height: 2px;
  border-radius: 4px;
  background: var(--text-main);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.mobile-open .nav-burger span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header.mobile-open .nav-burger span:nth-child(2) {
  opacity: 0;
}

@media (max-width: 900px) {
  .header-cta {
    display: none;
  }

  .main-nav {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: 1101;
    width: min(400px, 84vw);
    background: #fffdf8;
    margin-left: 0;
    box-shadow: -20px 0 40px rgba(22, 17, 12, 0.2);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    padding: 76px 28px 36px;
  }

  .site-header.mobile-open .main-nav {
    transform: translateX(0);
  }

  .site-header.mobile-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(0, 0, 0, 0.42);
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .nav-links a {
    justify-content: flex-start;
    min-height: 48px;
    padding: 0 22px;
    font-size: 18px;
  }

  .nav-links a.active::after {
    bottom: auto;
    top: 13px;
    left: -2px;
    right: auto;
    width: 3px;
    height: 22px;
  }

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

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.breadcrumb a:hover {
  color: var(--gold-deep);
}

.breadcrumb span {
  color: #ADA28E;
}

/* Page hero */
.page-hero {
  background: linear-gradient(115deg, #F1EADC 0%, var(--paper) 56%, #FCFAF5 100%);
  border-bottom: 1px solid var(--dividers);
  overflow: hidden;
  padding: 74px 0 60px;
}

.hero-page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: 50px;
  align-items: center;
}

.page-hero-content {
  padding-right: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 5px;
  background: var(--tag-bg);
  border-bottom: 2px solid var(--gold);
  color: var(--gold-deep);
  font-size: 13px;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 18px;
}

.page-hero h1 {
  max-width: 760px;
  margin-bottom: 20px;
}

.page-hero-desc {
  max-width: 640px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-body);
  margin-bottom: 28px;
}

.page-hero-desc strong {
  color: var(--text-main);
  font-weight: 700;
}

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

.hero-visual-frame {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background: var(--panel-dark);
  aspect-ratio: 4 / 3;
}

.hero-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
}

.hero-visual-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(25, 20, 16, 0.1), rgba(25, 20, 16, 0.75));
}

.hero-visual-card {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  background: rgba(28, 22, 17, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(217, 188, 126, 0.35);
  border-radius: 12px;
  padding: 14px 18px;
  color: #F5EFE2;
}

.hero-visual-card span {
  display: block;
  font-size: 12px;
  color: var(--gold-light);
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.hero-visual-card strong {
  font-family: "Noto Serif SC", SimSun, serif;
  font-size: 17px;
  color: #fff;
}

/* Quick strip */
.quick-cta {
  background: var(--ink);
  color: #D8CFC0;
  border-bottom: 1px solid rgba(217, 188, 126, 0.22);
}

.quick-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-top: 25px;
  padding-bottom: 25px;
  flex-wrap: wrap;
}

.quick-title {
  color: #F3EDE1;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 4px;
}

.quick-desc {
  color: #A99D8C;
  font-size: 14px;
  max-width: 710px;
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

/* Section headings */
.section-heading {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 12px;
}

.section-index {
  font-family: "Noto Serif SC", SimSun, serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  padding-top: 8px;
  min-width: 52px;
}

.section-heading h2 {
  margin-bottom: 6px;
}

.eyebrow {
  color: var(--gold-deep);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 700;
  margin-bottom: 4px;
}

.section-lead {
  max-width: 760px;
  color: var(--text-muted);
  font-size: 16px;
  margin: 14px 0 34px;
  padding-left: 70px;
}

@media (max-width: 600px) {
  .section-lead {
    padding-left: 0;
  }
}

/* Detail area */
.detail-section {
  background: #FDFBF7;
}

.detail-layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
  margin-top: 18px;
}

.anchor-panel {
  position: sticky;
  top: 92px;
  background: var(--panel-dark);
  color: #F2EADC;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-default);
  margin-top: 4px;
}

.anchor-panel-title {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 20px 22px 12px;
  font-family: "Noto Serif SC", SimSun, serif;
  color: var(--gold-light);
  font-size: 18px;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(216, 185, 118, 0.2);
}

.anchor-panel-title::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--gold);
  display: inline-block;
  margin-right: 6px;
}

.anchor-list li + li {
  border-top: 1px solid rgba(216, 185, 118, 0.1);
}

.anchor-list a {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  width: 100%;
  min-height: 50px;
  padding: 12px 20px;
  font-size: 14px;
  line-height: 1.5;
  color: #B9AD99;
  transition: background 0.2s ease, color 0.2s ease;
}

.anchor-list a:hover,
.anchor-list a.active {
  background: rgba(185, 147, 79, 0.12);
  color: #F5EEE0;
}

.anchor-list .anchor-num {
  font-family: "Noto Serif SC", SimSun, serif;
  color: var(--gold);
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}

.detail-card-wrap {
  min-width: 0;
  background: var(--paper);
  border-radius: var(--radius-lg);
}

.detail-card {
  background: #fff;
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-default);
  padding: 28px 30px 24px;
  margin-bottom: 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  scroll-margin-top: 90px;
}

.detail-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.detail-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.detail-index {
  font-family: "Noto Serif SC", SimSun, serif;
  font-weight: 800;
  color: var(--gold-deep);
  background: var(--tag-bg);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 13px;
  white-space: nowrap;
}

.detail-card h3 {
  font-size: 20px;
}

.detail-card > p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.dot-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 20px;
  margin: 14px 0;
}

.dot-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text-body);
  padding: 8px 0;
}

.dot-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 11px;
}

.card-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  min-height: 38px;
  padding: 0 6px;
  transition: color 0.2s ease;
}

.card-back:hover {
  color: var(--gold-deep);
}

/* Scenario */
.scenario-section {
  background: #F1EBDF;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 12px;
}

.scenario-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-default);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.scenario-media {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #E4DCCB;
}

.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.scenario-card:hover .scenario-media img {
  transform: scale(1.04);
}

.scenario-body {
  padding: 22px 24px 24px;
}

.scenario-tag {
  display: inline-block;
  font-family: "Noto Serif SC", SimSun, serif;
  font-size: 13px;
  font-weight: 800;
  color: var(--gold-deep);
  border-bottom: 1px solid rgba(185, 147, 79, 0.5);
  padding-bottom: 4px;
  margin-bottom: 13px;
}

.scenario-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.scenario-body p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.8;
}

/* FAQ */
.faq-section {
  background: var(--paper);
}

.faq-column {
  max-width: 880px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--dividers);
  padding: 0 28px;
  margin-left: 70px;
  box-shadow: var(--shadow-default);
}

@media (max-width: 900px) {
  .faq-column {
    margin-left: 0;
    padding: 0 20px;
  }
}

.faq-item {
  border-bottom: 1px solid var(--dividers);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  min-height: 64px;
  cursor: pointer;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 700;
  transition: color 0.2s ease;
  line-height: 1.6;
}

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

.faq-item summary:hover {
  color: var(--gold-deep);
}

.faq-item[open] summary {
  color: var(--gold-deep);
}

.faq-item .faq-plus {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dividers);
  border-radius: 50%;
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  color: var(--gold-deep);
  background: #fff;
  transition: transform 0.2s ease, background 0.2s ease;
}

.faq-item[open] .faq-plus {
  transform: rotate(45deg);
  background: var(--tag-bg);
}

.faq-answer {
  padding: 0 44px 20px 0;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
}

/* Contact */
.contact-section {
  background: #F1EBDF;
}

.contact-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink);
  box-shadow: var(--shadow-hover);
}

.contact-intro {
  background: var(--ink);
  background-image: radial-gradient(circle at 20% 90%, rgba(185, 147, 79, 0.13), transparent 45%);
  padding: 44px 42px;
  color: #CFC4B2;
}

.contact-intro .section-index {
  font-size: 26px;
}

.contact-intro h2 {
  color: #FAF4E8;
  margin: 8px 0 14px;
}

.contact-intro p {
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 28px;
}

.time-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(217, 188, 126, 0.14);
  border-bottom: 1px solid rgba(217, 188, 126, 0.14);
  font-size: 14px;
  color: #C6BAA6;
}

.time-line strong {
  color: var(--gold-light);
  margin-right: 4px;
}

.contact-panel {
  background: #fff;
  padding: 42px 40px 36px;
}

.contact-panel-title {
  font-family: "Noto Serif SC", SimSun, serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.contact-panel-sub {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 13px;
  color: var(--text-body);
  margin-bottom: 7px;
  font-weight: 600;
}

.form-field input,
.form-field select,
.form-field textarea {
  min-height: 44px;
  border: 1px solid var(--dividers);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  background: #FDFCF9;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.form-field textarea {
  min-height: 98px;
  padding: 12px 14px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(185, 147, 79, 0.2);
  background: #fff;
}

.form-field input.error,
.form-field textarea.error {
  border-color: var(--cinnabar);
  background: #FFF7F6;
}

.form-error-text {
  color: var(--cinnabar);
  font-size: 12px;
  line-height: 1.5;
  min-height: 0;
  padding: 5px 0 0;
  display: none;
}

.form-field input.error + .form-error-text,
.form-field textarea.error + .form-error-text {
  display: block;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
}

.form-success {
  grid-column: 1 / -1;
  display: none;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(47, 125, 75, 0.3);
  background: #EEF7F0;
  color: #22613A;
  font-size: 14px;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.form-success.show {
  display: flex;
}

.form-success::before {
  content: "✓";
  font-weight: 800;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #368c57;
  color: #fff;
  font-size: 13px;
}

@media (max-width: 760px) {
  .contact-card {
    grid-template-columns: 1fr;
  }

  .contact-intro,
  .contact-panel {
    padding: 30px 24px;
  }

  .lead-form {
    grid-template-columns: 1fr;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

/* Site footer */
.site-footer {
  background: var(--ink);
  color: #BEB3A2;
  border-top: 1px solid rgba(217, 188, 126, 0.18);
  font-size: 14px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 42px;
  padding-top: 56px;
  padding-bottom: 36px;
}

.footer-brand .brand-text {
  color: #F7F0E2;
  font-size: 21px;
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  line-height: 1.9;
  color: #A39888;
  max-width: 320px;
  font-size: 13px;
}

.footer-col-title {
  color: #F1E9DC;
  font-weight: 800;
  font-size: 16px;
  font-family: "Noto Serif SC", SimSun, serif;
  margin-bottom: 17px;
}

.footer-links li + li,
.footer-info li + li {
  margin-top: 11px;
}

.footer-links a {
  color: #ACA08E;
  font-size: 13px;
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--gold-light);
}

.footer-info {
  font-size: 13px;
  color: #A09483;
  line-height: 1.85;
}

.container-footer-copyright {
  border-top: 1px solid rgba(216, 185, 118, 0.13);
}

.footer-copyright-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 28px;
  font-size: 12px;
  color: #877D6E;
  text-align: center;
  letter-spacing: 0.04em;
}

@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 560px) {
  .footer-main {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 44px;
  }
}

/* Responsive */
@media (max-width: 1100px) {
  .hero-page-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 34px;
  }
}

@media (max-width: 1024px) {
  .hero-page-grid {
    grid-template-columns: 1fr;
  }

  .page-hero-content {
    padding-right: 0;
  }

  .hero-visual-frame {
    max-width: 680px;
  }

  .detail-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 24px;
  }

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

  .scenario-card:last-child {
    grid-column: 1 / -1;
  }

  .contact-card {
    grid-template-columns: 0.85fr 1.15fr;
  }
}

@media (max-width: 820px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .anchor-panel {
    position: static;
    border-radius: var(--radius-md);
  }

  .anchor-panel-title {
    padding: 12px 18px 7px;
  }

  .anchor-list {
    display: flex;
    flex-wrap: wrap;
  }

  .anchor-list li {
    border-top: 0;
  }

  .anchor-list li + li {
    border-top: 0;
  }

  .anchor-list a {
    min-height: 46px;
    padding: 6px 15px;
  }

  .anchor-list a.active {
    background: rgba(185, 147, 79, 0.12);
  }

  .detail-card {
    padding: 20px 18px 18px;
  }

  .section-heading {
    flex-direction: column;
    gap: 6px;
  }

  .section-index {
    padding-top: 0;
  }

  .quick-cta-inner {
    align-items: stretch;
  }
}

@media (max-width: 640px) {
  html {
    font-size: 15px;
  }

  .page-hero {
    padding: 48px 0 40px;
  }

  .page-hero h1 {
    font-size: 2.1rem;
  }

  .page-hero-desc {
    font-size: 15px;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .scenario-card:last-child {
    grid-column: auto;
  }

  .footer-links a {
    min-height: 40px;
  }

  .footer-copyright-inner {
    padding: 19px 16px;
  }

  .quick-desc {
    font-size: 13px;
  }

  .quick-actions .btn {
    width: 100%;
  }

  .hero-visual-card {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }
}

@media (max-width: 480px) {
  .btn {
    min-height: 46px;
    font-size: 14px;
    padding: 0 18px;
  }

  .page-hero h1 {
    font-size: 1.9rem;
  }

  .detail-card-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .faq-column {
    padding: 0 14px;
  }

  .faq-answer {
    padding-right: 16px;
  }
}