/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #6B4F3A;
  --color-primary-dark: #4f3726;
  --color-primary-light: #8a6b52;
  --color-secondary: #C67C4E;
  --color-secondary-dark: #a55f35;
  --color-accent: #5A6B4F;
  --color-bg: #F6F1E7;
  --color-bg-light: #FDFBF7;
  --color-card: #FFFFFF;
  --color-text: #262321;
  --color-text-light: #6B6B6B;
  --color-border: rgba(107, 79, 58, 0.12);
  --color-border-dark: rgba(107, 79, 58, 0.22);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 12px rgba(107, 79, 58, 0.06);
  --shadow-hover: 0 8px 24px rgba(107, 79, 58, 0.13);
  --container-w: 1200px;
  --space-sec: 88px;
  --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
}

/* ===== Reset ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color .2s ease; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

/* ===== 容器 ===== */
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 28px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  line-height: 1.5;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(107, 79, 58, .25);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(107, 79, 58, .3); }
.btn-primary:active { transform: translateY(0) scale(.98); }
.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}
.btn-secondary:hover { background: var(--color-secondary-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border-color: var(--color-border-dark);
  color: var(--color-primary);
}
.btn-outline:hover { border-color: var(--color-primary); background: rgba(107, 79, 58, .04); }
.btn-light {
  background: #fff;
  color: var(--color-primary);
}
.btn-light:hover { background: var(--color-bg); transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn-lg { padding: 14px 34px; font-size: 16px; border-radius: 10px; }

/* ===== 标签/徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(198, 124, 78, .12);
  color: var(--color-secondary-dark);
  letter-spacing: .02em;
}
.badge-green { background: rgba(90, 107, 79, .12); color: var(--color-accent); }
.badge-brown { background: rgba(107, 79, 58, .10); color: var(--color-primary); }
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 12px;
  background: rgba(107, 79, 58, .08);
  color: var(--color-primary);
  border: 1px solid rgba(107, 79, 58, .1);
}

/* ===== 卡片 ===== */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all .3s ease;
}

/* ===== 表单 ===== */
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(107, 79, 58, .18);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
  font-size: 15px;
}
.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 79, 58, .12);
  outline: none;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}
select.form-control { appearance: auto; }

/* ===== 通用板块 ===== */
.section { padding: var(--space-sec) 0; }
.section-alt { background: var(--color-bg-light); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-subhead { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -.02em;
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
}
.section-head-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(107, 79, 58, .08);
  color: var(--color-primary);
  font-size: 22px;
  margin-bottom: 16px;
}
.text-center { text-align: center; }

/* ===== Header 导航 ===== */
.site-header {
  background: rgba(253, 251, 247, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-badge {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), #8a6b52);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.logo-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--color-primary);
  white-space: nowrap;
}
.logo-name small { display: block; font-size: 10px; font-weight: 500; color: var(--color-text-light); letter-spacing: .12em; }

/* 搜索框 */
.header-search {
  flex: 1;
  max-width: 380px;
  position: relative;
  margin-left: auto;
  margin-right: auto;
}
.header-search i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 14px;
}
.header-search input {
  width: 100%;
  padding: 10px 16px 10px 44px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(107, 79, 58, .04);
  font-size: 14px;
  transition: all .25s ease;
}
.header-search input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 79, 58, .10);
  background: #fff;
  outline: none;
}
.header-search input::placeholder { color: #9a9188; }

/* 导航 */
.header-nav { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 8px;
  transition: all .2s ease;
  position: relative;
}
.nav-link:hover { color: var(--color-primary); background: rgba(107, 79, 58, .06); }
.nav-link.active { color: var(--color-primary); font-weight: 700; background: rgba(107, 79, 58, .08); }
.header-cta { flex-shrink: 0; margin-left: 4px; }

/* 汉堡按钮 */
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
  flex-shrink: 0;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all .3s ease;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(246, 241, 231, .78);
  backdrop-filter: blur(2px);
}
.hero-content { position: relative; z-index: 2; text-align: center; padding: 90px 0 70px; }
.hero h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-primary-dark);
  letter-spacing: -.02em;
  max-width: 780px;
  margin: 0 auto 14px;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-secondary-dark);
  position: relative;
  white-space: nowrap;
}
.hero h1 em::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 8px;
  background: rgba(198, 124, 78, .20);
  z-index: -1;
  border-radius: 4px;
}
.hero-subtitle {
  font-size: 17px;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 12px auto 28px;
  line-height: 1.8;
}
.hero-subtitle strong { color: var(--color-primary); font-weight: 700; }

/* Hero 搜索 */
.hero-search {
  max-width: 620px;
  margin: 28px auto 18px;
  display: flex;
  gap: 0;
  background: #fff;
  border-radius: 999px;
  padding: 6px 6px 6px 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: box-shadow .25s ease;
}
.hero-search:focus-within { box-shadow: 0 0 0 3px rgba(107, 79, 58, .12); }
.hero-search i { color: var(--color-text-light); display: flex; align-items: center; font-size: 15px; }
.hero-search input {
  flex: 1;
  border: none;
  padding: 10px 12px;
  font-size: 15px;
  background: transparent;
  outline: none;
}
.hero-search button {
  background: var(--color-primary);
  border: none;
  color: #fff;
  padding: 0 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background .2s;
}
.hero-search button:hover { background: var(--color-primary-dark); }

/* Hero 热门分类 */
.hero-cats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 10px;
}
.hero-cats a {
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .75);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-weight: 500;
  transition: all .2s;
}
.hero-cats a:hover { border-color: var(--color-primary); background: #fff; }

/* Hero 指标条 */
.hero-metrics {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-top: 44px;
  flex-wrap: wrap;
}
.hm-item { text-align: center; }
.hm-item .num {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -.01em;
}
.hm-item .label {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ===== 指标看板 ===== */
.metrics { background: var(--color-bg-light); border-block: 1px solid var(--color-border); }
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.metric-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px 28px;
  position: relative;
  box-shadow: var(--shadow);
  transition: all .3s ease;
  overflow: hidden;
}
.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: .5;
}
.metric-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.metric-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-secondary-dark);
  background: rgba(198, 124, 78, .12);
  border-radius: 4px;
  padding: 2px 8px;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.metric-value {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.1;
  letter-spacing: -.02em;
}
.metric-value .unit { font-size: 16px; font-weight: 700; margin-left: 2px; color: var(--color-secondary); }
.metric-desc { margin-top: 8px; font-size: 13px; color: var(--color-text-light); line-height: 1.5; }

/* ===== 服务矩阵 ===== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service-cover {
  height: 210px;
  position: relative;
  overflow: hidden;
}
.service-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover .service-cover img { transform: scale(1.03); }
.service-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(38, 35, 33, .32));
}
.service-num {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  width: 38px;
  height: 38px;
  background: var(--color-secondary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.service-body { padding: 24px 26px; flex: 1; display: flex; flex-direction: column; }
.service-title { font-size: 20px; font-weight: 700; color: var(--color-text); margin-bottom: 10px; }
.service-scene { font-size: 13px; color: var(--color-text-light); margin-bottom: 12px; }
.service-scene strong { color: var(--color-primary); }
.service-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-border);
}
.service-flow .step { font-size: 12px; color: var(--color-text); background: rgba(107, 79, 58, .06); padding: 3px 10px; border-radius: 6px; }
.service-flow .arrow { font-size: 12px; color: var(--color-border-dark); align-self: center; }
.service-btn { margin-top: auto; }

/* 服务矩阵横条 */
.services-banner {
  margin-top: 28px;
  background: linear-gradient(135deg, var(--color-primary), #7d6046);
  border-radius: var(--radius);
  padding: 34px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  flex-wrap: wrap;
}
.services-banner h3 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.services-banner p { font-size: 14px; opacity: .85; max-width: 520px; }
.services-banner .btn { background: #fff; color: var(--color-primary); }
.services-banner .btn:hover { background: var(--color-bg); }

/* ===== 入口矩阵 ===== */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.entry-item {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: all .3s ease;
  cursor: pointer;
}
.entry-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); background: #fff; }
.entry-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 14px;
  background: rgba(107, 79, 58, .09);
  color: var(--color-primary);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s;
}
.entry-item:hover .entry-icon { background: var(--color-primary); color: #fff; }
.entry-item h3 { font-size: 15px; font-weight: 700; color: var(--color-text); margin-bottom: 4px; }
.entry-item p { font-size: 12px; color: var(--color-text-light); line-height: 1.5; }

/* ===== 结果对比 ===== */
.comparison-section { background: var(--color-bg-light); border-block: 1px solid var(--color-border); }
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}
.comparison-col {
  border-radius: var(--radius);
  padding: 38px 36px;
  position: relative;
}
.comparison-col h3 { font-size: 20px; font-weight: 700; margin-bottom: 22px; display: flex; align-items: center; gap: 10px; }
.comparison-col ul li {
  padding: 12px 0;
  font-size: 15px;
  color: var(--color-text);
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
}
.comparison-col ul li:last-child { border-bottom: none; }
.comparison-col ul li i { margin-top: 4px; font-size: 14px; }
/* 弱 */
.comparison-col.weak {
  background: #f0ede6;
  border: 1px solid var(--color-border);
}
.comparison-col.weak h3 { color: var(--color-text-light); }
.comparison-col.weak ul li i { color: #aaa4a0; }
/* 强 */
.comparison-col.strong {
  background: #fff;
  border: 2px solid var(--color-secondary);
  box-shadow: 0 8px 24px rgba(198, 124, 78, .14);
}
.comparison-col.strong h3 { color: var(--color-primary); }
.comparison-col.strong ul li i { color: var(--color-accent); }
.comparison-recommend {
  position: absolute;
  top: -14px;
  right: 24px;
  background: var(--color-secondary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(198, 124, 78, .3);
}
/* 底部数据条 */
.comparison-strip {
  margin-top: 36px;
  background: var(--color-primary);
  border-radius: var(--radius);
  padding: 22px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: #fff;
}
.comparison-strip .cs-stat { text-align: center; flex: 1; min-width: 120px; }
.comparison-strip .cs-num { font-size: 26px; font-weight: 800; display: block; }
.comparison-strip .cs-label { font-size: 13px; opacity: .85; }

/* ===== 里程碑 ===== */
.milestone-track {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 20px;
  position: relative;
}
.milestone-track::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-border-dark), transparent);
}
.milestone-item {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 10px;
}
.milestone-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-secondary);
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px var(--color-secondary);
  margin: 18px auto 18px;
  position: relative;
  z-index: 1;
}
.milestone-year {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: -.02em;
}
.milestone-text { font-size: 13px; color: var(--color-text-light); line-height: 1.6; margin-top: 6px; }

/* ===== 资讯区 ===== */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
  align-items: start;
}
.news-list-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  transition: all .2s;
}
.news-list-item:hover { padding-left: 8px; }
.news-date {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: rgba(107, 79, 58, .08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.news-date .d { font-size: 20px; font-weight: 800; line-height: 1; }
.news-date .m { font-size: 11px; margin-top: 2px; }
.news-info h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-text);
  line-height: 1.5;
}
.news-info h3 a:hover { color: var(--color-secondary-dark); }
.news-info p { font-size: 13px; color: var(--color-text-light); line-height: 1.6; }
.news-meta { font-size: 12px; color: var(--color-text-light); margin-top: 6px; display: flex; gap: 12px; }
/* 侧栏 */
.news-sidebar-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 26px;
  margin-bottom: 20px;
}
.news-sidebar-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(107, 79, 58, .12);
  color: var(--color-primary);
}
.news-sidebar-card .tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.news-sidebar-card .tag-list a {
  font-size: 13px;
  padding: 5px 13px;
  border-radius: 999px;
  background: rgba(107, 79, 58, .07);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: all .2s;
}
.news-sidebar-card .tag-list a:hover { background: var(--color-primary); color: #fff; }
.rec-item { padding: 12px 0; border-bottom: 1px dashed var(--color-border); font-size: 14px; }
.rec-item:last-child { border-bottom: none; padding-bottom: 0; }
.rec-item a { color: var(--color-text); font-weight: 500; }
.rec-item a:hover { color: var(--color-secondary-dark); }
.rec-date { font-size: 12px; color: var(--color-text-light); display: block; margin-top: 4px; }

/* ===== FAQ ===== */
.faq-section { background: var(--color-bg-light); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all .3s ease;
}
.faq-item:hover { border-color: var(--color-border-dark); }
.faq-q {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  position: relative;
}
.faq-q .faq-no {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-secondary);
  background: rgba(198, 124, 78, .10);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.faq-q .faq-text { flex: 1; }
.faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--color-primary);
  transition: transform .3s ease;
  flex-shrink: 0;
  background: transparent;
  cursor: pointer;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-a-inner {
  padding: 0 28px 24px 78px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ===== 转化表单 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 44px;
  box-shadow: var(--shadow);
}
.contact-left h2 { font-size: 26px; font-weight: 800; color: var(--color-text); margin-bottom: 8px; }
.contact-left .contact-sub { font-size: 14px; color: var(--color-text-light); margin-bottom: 28px; }
.contact-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-info { background: var(--color-bg-light); border-radius: var(--radius); padding: 34px; border: 1px solid var(--color-border); }
.contact-info h3 { font-size: 19px; font-weight: 700; color: var(--color-primary); margin-bottom: 20px; }
.info-item {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.info-item:last-child { border-bottom: none; }
.info-item i {
  width: 38px;
  height: 38px;
  background: rgba(107, 79, 58, .08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 16px;
  flex-shrink: 0;
}
.info-item .t { font-size: 13px; color: var(--color-text-light); }
.info-item .v { font-size: 15px; font-weight: 600; color: var(--color-text); }
.qr-placeholder {
  margin-top: 20px;
  border: 2px dashed var(--color-border-dark);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: var(--color-text-light);
  font-size: 13px;
}
.qr-placeholder i { font-size: 42px; color: var(--color-primary); margin-bottom: 10px; display: block; }

/* ===== 页脚 ===== */
.site-footer {
  background: #2c2a28;
  color: #b9b1a9;
  padding: 60px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand-text { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.footer-brand-text i { color: var(--color-secondary); margin-right: 8px; }
.footer-desc { font-size: 14px; line-height: 1.7; color: #9a9188; max-width: 340px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: #9a9188; transition: color .2s; }
.footer-col ul li a:hover { color: var(--color-secondary); }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #7e7670;
}
.footer-bottom a { color: #9a9188; }

/* ===== 响应式 ===== */
@media (min-width: 992px) and (max-width: 1199px) {
  .header-search { max-width: 320px; }
  .entry-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 991px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .header-search { order: 3; max-width: 100%; flex-basis: 100%; margin: 10px 0 0; }
  .header-nav { order: 2; }
  .header-cta { order: 2; }
  .menu-toggle { display: flex; order: 2; }
  .header-nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 14px;
    right: 14px;
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--color-border);
  }
  .header-nav { display: none; }
  .header-nav.is-open a { padding: 12px 16px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .entry-grid { grid-template-columns: repeat(4, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .milestone-track { flex-wrap: wrap; gap: 30px; }
  .milestone-track::before { display: none; }
  .milestone-item { flex: 1 1 40%; }
  .contact-grid { grid-template-columns: 1fr; padding: 28px; }
  .hero h1 { font-size: 32px; }
}

@media (max-width: 767px) {
  :root { --space-sec: 50px; }
  .section-title { font-size: 26px; }
  .container { padding: 0 18px; }
  .header-inner { gap: 10px; }
  .logo-name { font-size: 15px; }
  .logo-badge { width: 34px; height: 34px; font-size: 15px; }
  .header-cta { padding: 8px 14px; font-size: 13px; }
  .hero { min-height: auto; }
  .hero h1 { font-size: 26px; }
  .hero-subtitle { font-size: 15px; }
  .hero-search { flex-direction: column; border-radius: 16px; padding: 10px; }
  .hero-search button { width: 100%; padding: 10px; border-radius: 10px; margin-top: 6px; }
  .hero-metrics { gap: 18px; margin-top: 30px; }
  .hm-item .num { font-size: 22px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .metric-card { padding: 18px 16px; }
  .metric-value { font-size: 28px; }
  .services-grid { grid-template-columns: 1fr; gap: 20px; }
  .entry-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .comparison-grid { grid-template-columns: 1fr; gap: 22px; }
  .comparison-col { padding: 26px 20px; }
  .comparison-strip { flex-direction: column; padding: 20px; }
  .milestone-item { flex: 1 1 100%; }
  .news-list-item { flex-direction: column; gap: 10px; padding: 18px 0; }
  .contact-form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-info { margin-top: 12px; }
  .services-banner { padding: 24px 20px; flex-direction: column; text-align: center; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .faq-q { padding: 16px 16px; }
  .faq-a-inner { padding: 0 16px 18px 16px; }
  .header-nav.is-open { top: 122px; }
}

@media (max-width: 520px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .entry-grid { grid-template-columns: 1fr; }
  .hero h1 em { white-space: normal; }
  .hero h1 { font-size: 23px; }
  .section-title { font-size: 22px; }
  .contact-grid { padding: 18px; }
  .btn { padding: 9px 18px; font-size: 14px; }
}

/* 小工具 */
.text-muted { color: var(--color-text-light); }
.mb-0 { margin-bottom: 0; }

/* roulang page: category1 */
:root{
  --primary:#6B4F3A;
  --primary-dark:#543D2D;
  --accent:#C67C4E;
  --accent-light:#F0E2D8;
  --bg:#F6F1E7;
  --bg-soft:#EFE7DA;
  --green:#5A6B4F;
  --text:#2B2622;
  --text-light:#6B6B6B;
  --border:rgba(107,79,58,0.12);
  --radius:15px;
  --shadow:0 4px 14px rgba(107,79,58,0.07);
  --shadow-hover:0 10px 24px rgba(107,79,58,0.13);
  --container:1200px;
  --space:90px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button,input{font-family:inherit;outline:none;border:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}

/* ===== Button System ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 30px;border-radius:9px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .25s ease;border:1px solid transparent;
  letter-spacing:.02em;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(107,79,58,.28);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#b0693c;transform:translateY(-1px);box-shadow:0 6px 16px rgba(198,124,78,.3);}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--primary);}
.btn-ghost:hover{border-color:var(--primary);background:rgba(107,79,58,.05);}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{background:var(--accent-light);}
.btn-sm{padding:9px 20px;font-size:14px;border-radius:8px;}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ===== Header / Search Nav ===== */
.site-header{
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:200;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 10px rgba(107,79,58,.04);
}
.header-inner{
  display:flex;align-items:center;gap:26px;
  padding:15px 0;
}
.logo{flex-shrink:0;}
.logo a{
  display:flex;align-items:center;gap:9px;
  font-size:20px;font-weight:800;color:var(--primary);
  letter-spacing:.01em;
}
.logo a i{font-size:22px;color:var(--accent);}
.header-search{
  flex:1;max-width:440px;min-width:200px;margin:0 auto;
}
.search-form{
  display:flex;align-items:center;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:30px;
  padding:9px 20px;
  transition:border-color .25s,box-shadow .25s,background .25s;
}
.search-form:hover{border-color:rgba(107,79,58,.3);}
.search-form:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(107,79,58,.12);
  background:#fff;
}
.search-form .search-icon{color:var(--text-light);font-size:14px;margin-right:10px;}
.search-form input{
  flex:1;background:transparent;font-size:15px;color:var(--text);
}
.search-form input::placeholder{color:#9a948c;}
.header-nav{
  display:flex;align-items:center;gap:4px;flex-shrink:0;
}
.nav-link{
  position:relative;padding:8px 16px;font-size:15px;font-weight:500;
  color:var(--text);border-radius:8px;transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--primary);background:var(--bg-soft);}
.nav-link.active{color:var(--primary);font-weight:700;}
.nav-link.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.header-cta{margin-left:6px;flex-shrink:0;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:8px;
  background:var(--bg);cursor:pointer;flex-shrink:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;transition:transform .3s,opacity .3s;}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;
  background:
    linear-gradient(105deg,rgba(246,241,231,.96) 35%,rgba(246,241,231,.82) 70%,rgba(246,241,231,.65)),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding:90px 0 70px;
  border-bottom:1px solid var(--border);
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-light);margin-bottom:28px;
}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb i{font-size:10px;color:#b8a89a;}
.breadcrumb span{color:var(--primary);font-weight:600;}
.page-hero h1{
  font-size:40px;line-height:1.28;font-weight:800;color:var(--text);
  max-width:680px;letter-spacing:.01em;margin-bottom:18px;
}
.page-hero h1 .highlight{
  position:relative;color:var(--primary);white-space:nowrap;
}
.page-hero h1 .highlight::after{
  content:'';position:absolute;left:0;right:4px;bottom:4px;height:10px;
  background:var(--accent-light);z-index:-1;border-radius:4px;
}
.page-hero .hero-desc{
  font-size:17px;color:var(--text-light);max-width:560px;line-height:1.8;
}

/* ===== Data Strip ===== */
.data-strip{
  background:var(--bg-soft);
  border-bottom:1px solid var(--border);
}
.data-strip .container{
  display:flex;justify-content:space-between;align-items:center;
  gap:30px;padding-top:22px;padding-bottom:22px;flex-wrap:wrap;
}
.data-item{
  display:flex;align-items:baseline;gap:10px;
}
.data-item .num{
  font-size:26px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.data-item .num em{font-style:normal;font-size:16px;font-weight:700;color:var(--accent);margin-left:2px;}
.data-item .label{font-size:13px;color:var(--text-light);}

/* ===== Filter Tabs ===== */
.filter-section{padding-top:70px;padding-bottom:14px;}
.section-title{
  font-size:30px;font-weight:800;color:var(--text);line-height:1.35;margin-bottom:8px;
}
.section-sub{
  font-size:15px;color:var(--text-light);margin-bottom:34px;max-width:640px;
}
.filter-tabs{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:42px;
}
.filter-tab{
  padding:10px 24px;border-radius:30px;
  background:#fff;border:1px solid var(--border);
  color:var(--text);font-size:14px;font-weight:600;cursor:pointer;
  transition:all .25s ease;
}
.filter-tab:hover{border-color:var(--primary);color:var(--primary);}
.filter-tab.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(107,79,58,.2);}
.filter-tab:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ===== Service Cards ===== */
.service-list{display:flex;flex-direction:column;gap:42px;padding-bottom:30px;}
.service-card{
  display:grid;grid-template-columns:400px 1fr;
  background:#fff;border-radius:var(--radius);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  overflow:hidden;transition:box-shadow .3s ease,transform .3s ease;
  position:relative;
}
.service-card::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--accent);opacity:0;transition:opacity .3s;
}
.service-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.service-card:hover::before{opacity:1;}
.service-card-media{
  position:relative;min-height:260px;overflow:hidden;
}
.service-card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.service-card:hover .service-card-media img{transform:scale(1.03);}
.service-tag{
  position:absolute;top:14px;left:14px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(4px);
  color:var(--primary);font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:20px;
  box-shadow:0 2px 6px rgba(107,79,58,.08);
  letter-spacing:.04em;
}
.service-card-body{padding:34px 34px 30px;display:flex;flex-direction:column;}
.service-card-top{
  display:flex;align-items:center;gap:14px;margin-bottom:16px;
}
.service-num{
  font-size:24px;font-weight:900;color:var(--accent);
  font-variant-numeric:tabular-nums;
  opacity:.8;line-height:1;
}
.service-card-top h3{font-size:22px;font-weight:700;color:var(--text);}
.service-specs{
  display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px;
}
.service-specs span{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--bg);border-radius:6px;
  padding:5px 12px;font-size:13px;color:var(--text-light);
}
.service-specs span i{color:var(--accent);font-size:12px;}
.service-desc{
  font-size:15px;color:var(--text-light);line-height:1.75;margin-bottom:24px;
  flex:1;
}
.service-card-footer{display:flex;gap:12px;flex-wrap:wrap;}

/* ===== CTA Strip ===== */
.cta-strip{
  background:linear-gradient(100deg,var(--accent) 0%,#d18a5a 100%);
  border-radius:var(--radius);
  padding:38px 46px;
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;margin:70px 0 80px;
  box-shadow:0 8px 24px rgba(198,124,78,.25);
}
.cta-strip h3{color:#fff;font-size:22px;font-weight:700;margin-bottom:4px;}
.cta-strip p{color:rgba(255,255,255,.88);font-size:14px;}
.cta-strip .btn{background:#fff;color:var(--accent);}
.cta-strip .btn:hover{background:var(--bg);transform:translateY(-1px);}

/* ===== FAQ ===== */
.faq-section{
  background:var(--bg-soft);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:90px 0;
}
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:first-child{border-top:1px solid var(--border);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;cursor:pointer;transition:background .2s;
}
.faq-q:hover{background:rgba(107,79,58,.03);}
.faq-q .faq-num{
  font-size:16px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;width:30px;flex-shrink:0;
}
.faq-q h4{font-size:17px;font-weight:600;color:var(--text);flex:1;}
.faq-icon{
  width:28px;height:28px;border-radius:50%;
  background:#fff;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--primary);flex-shrink:0;
  transition:transform .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff;border-color:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease,opacity .3s ease;
  opacity:0;
}
.faq-item.open .faq-a{max-height:400px;opacity:1;}
.faq-a p{
  padding:0 0 22px 36px;color:var(--text-light);font-size:15px;line-height:1.8;
}

/* ===== Bottom CTA ===== */
.bottom-cta{
  background:var(--primary);
  padding:80px 0;
  text-align:center;
  background-image:radial-gradient(circle at 15% 20%,rgba(255,255,255,.08) 0,transparent 30%),radial-gradient(circle at 85% 80%,rgba(198,124,78,.2) 0,transparent 35%);
}
.bottom-cta h2{
  font-size:32px;color:#fff;font-weight:800;margin-bottom:12px;letter-spacing:.01em;
}
.bottom-cta p{color:rgba(255,255,255,.75);font-size:16px;margin-bottom:32px;}
.bottom-cta .btn-light{box-shadow:0 6px 18px rgba(0,0,0,.15);}
.bottom-cta .btn-light:hover{transform:translateY(-2px);}

/* ===== Footer ===== */
.site-footer{
  background:#26201b;color:rgba(255,255,255,.7);
  padding:70px 0 30px;font-size:14px;
}
.footer-inner{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;
  gap:46px;margin-bottom:44px;
}
.footer-brand-text{
  font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.footer-brand-text i{color:var(--accent);}
.footer-desc{line-height:1.8;color:rgba(255,255,255,.55);max-width:360px;}
.footer-col h4{
  font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent);
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{
  color:rgba(255,255,255,.6);transition:color .2s,padding-left .2s;
}
.footer-col ul li a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:24px;text-align:center;
  color:rgba(255,255,255,.4);font-size:13px;line-height:1.8;
}

/* ===== Responsive ===== */
@media (max-width:1199px){
  :root{--space:70px;}
  .header-inner{gap:16px;}
  .header-search{max-width:330px;}
  .service-card{grid-template-columns:330px 1fr;}
}
@media (max-width:991px){
  :root{--space:60px;}
  .header-search{max-width:260px;}
  .page-hero{padding:70px 0 50px;}
  .page-hero h1{font-size:34px;}
  .service-card{grid-template-columns:280px 1fr;}
  .service-card-body{padding:26px 24px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--space:45px;}
  .container{padding:0 20px;}
  .header-inner{flex-wrap:wrap;padding:12px 0;}
  .logo a{font-size:17px;}
  .header-search{
    order:3;width:100%;max-width:100%;margin-top:10px;
  }
  .header-nav{
    display:none;position:fixed;top:72px;left:0;right:0;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:12px 20px 18px;
    box-shadow:0 12px 28px rgba(0,0,0,.1);
    border-bottom:1px solid var(--border);
  }
  .header-nav.open{display:flex;}
  .nav-link{padding:13px 10px;font-size:16px;border-radius:8px;}
  .nav-link.active{background:var(--bg-soft);}
  .nav-link.active::after{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{margin-left:auto;}
  .page-hero h1{font-size:27px;}
  .page-hero .hero-desc{font-size:15px;}
  .data-strip .container{gap:14px;justify-content:flex-start;}
  .data-item .num{font-size:20px;}
  .data-item .label{font-size:12px;}
  .section-title{font-size:24px;}
  .section-sub{font-size:14px;}
  .filter-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch;}
  .filter-tab{flex-shrink:0;}
  .service-card{grid-template-columns:1fr;}
  .service-card-media{max-height:220px;}
  .service-card-body{padding:24px 20px;}
  .service-card-top h3{font-size:20px;}
  .cta-strip{padding:28px 22px;flex-direction:column;text-align:center;}
  .faq-section{padding:50px 0;}
  .faq-q h4{font-size:16px;}
  .bottom-cta{padding:55px 0;}
  .bottom-cta h2{font-size:24px;}
  .footer-inner{grid-template-columns:1fr;gap:32px;}
}