/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --ink: #1B1612;
  --coal: #241D17;
  --coal-2: #2E251D;
  --paper: #F4EFE7;
  --bg-soft: #EAE2D6;
  --tea: #A9712F;
  --tea-dark: #8B5E24;
  --amber: #C9974E;
  --bronze: #826039;
  --text-dark: #2B241E;
  --text-muted: #6E6459;
  --text-light: #EFE6DA;
  --text-light-muted: #B8A99A;
  --border-light: #E0D5C5;
  --border-dark: rgba(255,255,255,0.12);
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(27,22,18,0.06);
  --shadow-md: 0 8px 24px rgba(27,22,18,0.08);
  --shadow-lg: 0 16px 48px rgba(27,22,18,0.14);
  --font-serif: 'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
  --font-sans: 'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}

/* ===== 基础 reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--text-dark);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius); font-size: 15px; font-weight: 600;
  line-height: 1.2; border: 1px solid transparent; cursor: pointer;
  transition: all 0.25s ease; white-space: nowrap;
}
.btn-primary { background: var(--tea); color: #fff; }
.btn-primary:hover { background: var(--amber); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
.btn-ghost { background: transparent; color: var(--text-light); border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); transform: translateY(-2px); }
.btn-ghost:active { transform: scale(0.98); }
.btn-outline { background: transparent; color: var(--tea); border-color: var(--tea); }
.btn-outline:hover { background: var(--tea); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-block { width: 100%; }

/* ===== 标签 / 徽章 ===== */
.badge {
  display: inline-block; background: var(--bg-soft); color: var(--bronze);
  font-size: 12px; padding: 4px 12px; border-radius: 999px; letter-spacing: 0.06em; font-weight: 600;
}
.badge-tea { background: rgba(169,113,47,0.12); color: var(--tea); }

/* ===== 板块通用 ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 56px; flex-wrap: wrap; }
.section-head-left { max-width: 640px; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 0.14em; color: var(--amber); font-weight: 600;
  text-transform: uppercase; margin-bottom: 14px;
}
.section-label::before { content: ''; width: 36px; height: 1px; background: var(--amber); display: inline-block; }
.section-head h2 { font-family: var(--font-serif); font-size: clamp(28px, 3.5vw, 36px); font-weight: 700; color: var(--ink); line-height: 1.3; letter-spacing: 0.02em; }
.section-head .section-desc { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-top: 12px; }
.section-number {
  font-family: var(--font-serif); font-size: 15px; color: var(--bronze); font-weight: 700;
  display: inline-flex; align-items: center; gap: 8px;
}
.section-number::after { content: '—'; color: var(--amber); }

/* ===== 导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(244,239,231,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
}
.header-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 24px; max-width: 1200px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 10px; background: var(--ink);
  display: flex; align-items: center; justify-content: center; color: var(--amber);
  flex-shrink: 0;
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-name { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--ink); letter-spacing: 0.02em; }
.brand-tag { font-size: 12px; letter-spacing: 0.12em; color: var(--tea); font-weight: 500; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box { position: relative; }
.search-box input {
  width: 220px; padding: 10px 16px 10px 40px; border: 1px solid var(--border-light);
  border-radius: 999px; background: rgba(255,255,255,0.7); font-size: 14px;
  color: var(--text-dark); transition: all 0.2s; outline: none;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus { border-color: var(--tea); box-shadow: 0 0 0 3px rgba(169,113,47,0.15); background: #fff; }
.search-box svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-muted); pointer-events: none; }
.header-nav { border-top: 1px solid var(--border-light); background: rgba(244,239,231,0.96); }
.nav-tabs { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  padding: 13px 22px; font-size: 14px; font-weight: 500; color: var(--text-muted);
  white-space: nowrap; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-tab:hover { color: var(--amber); }
.nav-tab.active { color: var(--tea); border-bottom-color: var(--tea); font-weight: 600; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 660px; display: flex; align-items: center; background-color: var(--ink); color: var(--text-light); padding: 90px 0; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.4; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(27,22,18,0.78) 0%, rgba(36,29,23,0.66) 50%, rgba(27,22,18,0.9) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 0.16em; color: var(--amber); font-weight: 600;
  margin-bottom: 22px;
}
.hero-kicker::before { content: ''; width: 44px; height: 1px; background: var(--amber); display: inline-block; }
.hero-title { font-family: var(--font-serif); font-size: clamp(34px, 5vw, 54px); line-height: 1.28; font-weight: 700; margin-bottom: 22px; letter-spacing: 0.02em; }
.hero-sub { font-size: 18px; color: rgba(239,230,218,0.88); max-width: 540px; margin-bottom: 18px; line-height: 1.7; }
.hero-note {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(169,113,47,0.16); border: 1px solid rgba(201,151,78,0.25);
  color: var(--amber); font-size: 13px; padding: 8px 18px; border-radius: 999px;
  margin-bottom: 32px;
}
.hero-note svg { width: 14px; height: 14px; }
.hero-stats { display: flex; gap: 40px; margin-bottom: 36px; flex-wrap: wrap; }
.hero-stats .stat { border-left: 2px solid rgba(201,151,78,0.4); padding-left: 14px; }
.hero-stats .stat-num { font-family: var(--font-serif); font-size: 28px; font-weight: 700; color: var(--amber); display: block; line-height: 1.2; }
.hero-stats .stat-label { font-size: 12px; color: var(--text-light-muted); letter-spacing: 0.08em; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  color: rgba(239,230,218,0.5); font-size: 12px; letter-spacing: 0.2em; display: flex; flex-direction: column; align-items: center; gap: 6px;
  z-index: 2;
}
.hero-scroll .line { width: 1px; height: 32px; background: linear-gradient(180deg, rgba(239,230,218,0.5), transparent); }

/* ===== 服务列表 ===== */
.service-list { border-top: 1px solid var(--border-light); }
.service-item {
  display: grid; grid-template-columns: 80px 240px 1fr 44px;
  align-items: center; gap: 28px; padding: 30px 12px;
  border-bottom: 1px solid var(--border-light); transition: background-color 0.2s;
}
.service-item:hover { background: rgba(234,226,214,0.4); }
.service-idx { font-family: var(--font-serif); font-size: 22px; color: var(--bronze); font-weight: 700; }
.service-name { font-family: var(--font-serif); font-size: 22px; font-weight: 600; color: var(--ink); transition: color 0.2s; line-height: 1.4; }
.service-item:hover .service-name { color: var(--tea); }
.service-desc { font-size: 15px; color: var(--text-muted); line-height: 1.7; }
.service-arrow { font-size: 22px; color: var(--amber); opacity: 0; transform: translateX(-10px); transition: all 0.25s; }
.service-item:hover .service-arrow { opacity: 1; transform: translateX(0); }

/* ===== 数据带 ===== */
.stats-section { background: var(--ink); color: var(--text-light); padding: 80px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.stat-item { text-align: center; border-left: 1px solid rgba(255,255,255,0.12); padding: 8px 0; }
.stat-item:first-child { border-left: none; }
.stat-item .stat-num { font-family: var(--font-serif); font-size: 48px; font-weight: 700; color: var(--amber); line-height: 1.2; }
.stat-item .stat-label { font-size: 14px; color: var(--text-light-muted); letter-spacing: 0.06em; margin-top: 10px; display: block; }

/* ===== 案例 ===== */
.case-list { display: flex; flex-direction: column; gap: 72px; }
.teahouse-case { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.teahouse-case.reversed .case-media { order: 2; }
.teahouse-case.reversed .case-body { order: 1; }
.case-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--border-light); }
.case-media img { width: 100%; height: 380px; object-fit: cover; transition: transform 0.5s ease; }
.case-media:hover img { transform: scale(1.04); }
.case-caption { padding: 12px 16px; background: var(--bg-soft); font-size: 13px; color: var(--text-muted); border-top: 1px solid var(--border-light); }
.case-body { padding: 10px 0; }
.case-tag { display: inline-block; background: rgba(169,113,47,0.12); color: var(--tea); font-size: 12px; font-weight: 600; padding: 6px 14px; border-radius: 999px; letter-spacing: 0.08em; margin-bottom: 18px; }
.case-body h3 { font-family: var(--font-serif); font-size: 26px; font-weight: 700; margin-bottom: 14px; color: var(--ink); line-height: 1.4; }
.case-body p { font-size: 15px; color: var(--text-muted); line-height: 1.85; margin-bottom: 18px; }
.text-link { color: var(--tea); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: gap 0.2s, color 0.2s; }
.text-link:hover { gap: 10px; color: var(--amber); }
.text-link::after { content: '→'; transition: transform 0.2s; }
.text-link:hover::after { transform: translateX(2px); }

/* ===== 资讯区 ===== */
.news-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: start; }
.news-primary { display: flex; flex-direction: column; }
.news-subtitle { font-family: var(--font-serif); font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.news-subtitle::before { content: ''; width: 18px; height: 2px; background: var(--tea); display: inline-block; }
.news-row {
  padding: 22px 4px; border-bottom: 1px solid var(--border-light);
  transition: background-color 0.2s;
}
.news-row:hover { background: rgba(234,226,214,0.35); }
.news-row-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.news-row-meta time { font-size: 13px; color: var(--text-muted); }
.news-row h4 { font-family: var(--font-serif); font-size: 18px; font-weight: 600; margin-bottom: 6px; line-height: 1.45; }
.news-row h4 a { color: var(--ink); transition: color 0.2s; }
.news-row h4 a:hover { color: var(--tea); }
.news-row p { font-size: 14px; color: var(--text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-row .news-read { font-size: 13px; color: var(--tea); font-weight: 600; margin-top: 8px; display: inline-flex; align-items: center; gap: 4px; }
.news-row .news-read:hover { color: var(--amber); gap: 8px; }
.news-side { position: sticky; top: 140px; }
.side-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); background: #fff; transition: all 0.3s; }
.side-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.side-card img { width: 100%; height: 180px; object-fit: cover; }
.side-card-body { padding: 22px; }
.side-card-body .badge { margin-bottom: 10px; }
.side-card-body h4 { font-family: var(--font-serif); font-size: 19px; color: var(--ink); font-weight: 700; margin-bottom: 8px; }
.side-card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.empty-tip { font-size: 15px; color: var(--text-muted); padding: 40px 20px; text-align: center; background: var(--bg-soft); border-radius: var(--radius); border: 1px dashed var(--border-light); }

/* ===== 流程 ===== */
.process-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.process-steps { display: flex; flex-direction: column; gap: 8px; }
.step {
  display: grid; grid-template-columns: 70px 1fr; gap: 4px 20px;
  padding: 24px 16px; border-left: 2px solid var(--border-light); position: relative;
  transition: border-color 0.2s;
}
.step:hover { border-left-color: var(--tea); }
.step-num { font-family: var(--font-serif); font-size: 28px; font-weight: 700; color: var(--amber); grid-row: span 2; line-height: 1.2; }
.step h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.step p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.process-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.process-media img { width: 100%; height: 420px; object-fit: cover; }

/* ===== 套餐 ===== */
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.plan-card {
  background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius);
  padding: 38px 30px; text-align: center; position: relative; display: flex; flex-direction: column;
  transition: all 0.3s ease; box-shadow: var(--shadow-sm);
}
.plan-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.plan-card.popular { border-color: var(--tea); box-shadow: 0 12px 36px rgba(169,113,47,0.16); }
.plan-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--tea); color: #fff; font-size: 12px; font-weight: 600;
  padding: 5px 18px; border-radius: 999px; letter-spacing: 0.08em; white-space: nowrap;
}
.plan-card h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.plan-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.plan-price { font-family: var(--font-serif); font-size: 46px; font-weight: 700; color: var(--ink); line-height: 1.1; margin: 16px 0; }
.plan-price span { font-size: 15px; color: var(--text-muted); font-weight: 400; }
.plan-card ul { margin: 18px 0 26px; text-align: left; flex-grow: 1; }
.plan-card ul li {
  padding: 10px 0; border-bottom: 1px dashed var(--border-light);
  font-size: 14px; color: var(--text-muted); display: flex; align-items: flex-start; gap: 10px; line-height: 1.6;
}
.plan-card ul li::before { content: '✓'; color: var(--tea); font-weight: 700; flex-shrink: 0; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 880px; margin: 0 auto; }
.faq-list { margin-top: 24px; }
.faq-item { border-bottom: 1px solid var(--border-light); background: rgba(255,255,255,0.35); }
.faq-item:first-child { border-top: 1px solid var(--border-light); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 24px 20px; background: transparent; border: none; cursor: pointer;
  font-size: 16px; font-weight: 600; color: var(--ink); text-align: left; transition: color 0.2s;
}
.faq-q:hover { color: var(--tea); }
.faq-q .faq-q-num { font-family: var(--font-serif); color: var(--bronze); font-weight: 700; margin-right: 10px; }
.faq-icon {
  width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 300;
  color: var(--bronze); transition: transform 0.3s, background 0.2s, color 0.2s; flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--tea); color: #fff; border-color: var(--tea); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.open .faq-a { max-height: 600px; }
.faq-a p { padding: 0 20px 26px; color: var(--text-muted); font-size: 15px; line-height: 1.85; }

/* ===== 联系 / CTA ===== */
.contact { background: var(--ink); color: var(--text-light); position: relative; overflow: hidden; }
.contact::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,151,78,0.5), transparent);
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-info .contact-kicker { font-size: 13px; letter-spacing: 0.14em; color: var(--amber); font-weight: 600; margin-bottom: 14px; display: inline-flex; align-items: center; gap: 8px; }
.contact-info .contact-kicker::before { content: ''; width: 36px; height: 1px; background: var(--amber); display: inline-block; }
.contact-info h2 { font-family: var(--font-serif); font-size: clamp(30px, 3.5vw, 38px); margin-bottom: 20px; line-height: 1.3; }
.contact-info > p { font-size: 15px; color: var(--text-light-muted); max-width: 440px; line-height: 1.8; }
.contact-list { margin-top: 28px; }
.contact-list li { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 15px; color: var(--text-light-muted); display: flex; align-items: center; gap: 14px; }
.contact-list li svg { width: 18px; height: 18px; color: var(--amber); flex-shrink: 0; }
.contact-list li strong { color: var(--text-light); font-weight: 600; margin-right: 8px; }
.booking-form {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 38px; backdrop-filter: blur(8px);
}
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--text-light); letter-spacing: 0.04em; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 16px; border-radius: var(--radius);
  border: 1px solid #D8CCBB; background: rgba(255,255,255,0.94); font-size: 15px;
  color: var(--ink); transition: all 0.2s; outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--tea); box-shadow: 0 0 0 3px rgba(169,113,47,0.2); background: #fff; }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-tip { font-size: 12px; color: var(--text-light-muted); margin-top: 12px; text-align: center; }

/* ===== 页脚 ===== */
.site-footer { background: var(--coal); color: var(--text-light-muted); padding-top: 72px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-name { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--text-light); letter-spacing: 0.02em; }
.footer-brand p { margin-top: 12px; font-size: 14px; line-height: 1.8; max-width: 400px; }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav .footer-nav-title { font-size: 13px; letter-spacing: 0.12em; color: var(--amber); font-weight: 600; margin-bottom: 6px; text-transform: uppercase; }
.footer-nav a { font-size: 14px; color: var(--text-light-muted); transition: color 0.2s, padding-left 0.2s; }
.footer-nav a:hover { color: var(--amber); padding-left: 4px; }
.footer-bottom { padding: 22px 0; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: rgba(184,169,154,0.55); flex-wrap: wrap; gap: 8px; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .section { padding: 80px 0; }
  .service-item { grid-template-columns: 60px 1fr 36px; gap: 16px; }
  .service-desc { grid-column: 2 / 4; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .stat-item:nth-child(3) { border-left: none; }
  .teahouse-case { gap: 40px; }
  .case-media img { height: 320px; }
  .news-layout { grid-template-columns: 1fr; }
  .news-side { position: static; }
  .process-wrap { grid-template-columns: 1fr; }
  .process-media img { height: 320px; }
  .plans-grid { gap: 20px; }
  .plan-card { padding: 30px 22px; }
  .contact-grid { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .header-top { flex-wrap: wrap; padding: 12px 16px; }
  .brand-name { font-size: 18px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-tag { font-size: 11px; }
  .search-box { display: none; }
  .header-actions .btn { padding: 8px 16px; font-size: 13px; }
  .nav-tab { padding: 12px 16px; font-size: 13px; }
  .hero { min-height: auto; padding: 72px 0 90px; }
  .hero-title { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .hero-stats { gap: 24px; }
  .hero-stats .stat-num { font-size: 24px; }
  .service-item { grid-template-columns: 48px 1fr 28px; padding: 22px 4px; }
  .service-name { font-size: 18px; }
  .service-desc { font-size: 14px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .stat-item .stat-num { font-size: 38px; }
  .teahouse-case, .teahouse-case.reversed { grid-template-columns: 1fr; gap: 24px; }
  .teahouse-case.reversed .case-media { order: 1; }
  .teahouse-case.reversed .case-body { order: 2; }
  .case-media img { height: 260px; }
  .case-body h3 { font-size: 22px; }
  .plans-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .process-wrap { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .booking-form { padding: 26px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .section-head { flex-direction: column; align-items: flex-start; margin-bottom: 40px; }
  .section-head h2 { font-size: 26px; }
  .faq-q { padding: 20px 14px; font-size: 15px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .hero-kicker { font-size: 12px; }
  .hero-actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-left: none; border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; }
  .stat-item:first-child { border-top: none; }
  .service-item { grid-template-columns: 42px 1fr; gap: 8px; }
  .service-desc { grid-column: 2 / -1; }
  .service-arrow { display: none; }
  .news-row h4 { font-size: 16px; }
  .contact-list li { font-size: 14px; flex-wrap: wrap; }
  .btn { padding: 12px 22px; font-size: 14px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
      --ink: #1B1612;
      --coal: #241D17;
      --coal-2: #2E251D;
      --paper: #F4EFE7;
      --bg-soft: #EAE2D6;
      --tea: #A9712F;
      --tea-dark: #8B5E24;
      --amber: #C9974E;
      --bronze: #826039;
      --text-dark: #2B241E;
      --text-muted: #6E6459;
      --text-light: #EFE6DA;
      --text-light-muted: #B8A99A;
      --border-light: #E0D5C5;
      --border-dark: rgba(255,255,255,0.12);
      --radius: 12px;
      --shadow-sm: 0 1px 3px rgba(27,22,18,0.06);
      --shadow-md: 0 8px 24px rgba(27,22,18,0.08);
      --shadow-lg: 0 16px 48px rgba(27,22,18,0.14);
      --font-serif: 'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
      --font-sans: 'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
    }

    /* ===== 基础 reset ===== */
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-sans);
      background: var(--paper);
      color: var(--text-dark);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; height: auto; }
    a { text-decoration: none; color: inherit; }
    button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }
    ul, ol { list-style-position: inside; }
    .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      padding: 14px 32px; border-radius: var(--radius); font-size: 15px; font-weight: 600;
      line-height: 1.2; border: 1px solid transparent; cursor: pointer;
      transition: all 0.25s ease; white-space: nowrap;
    }
    .btn-primary { background: var(--tea); color: #fff; }
    .btn-primary:hover { background: var(--amber); transform: translateY(-2px); box-shadow: var(--shadow-md); }
    .btn-primary:active { transform: scale(0.98); }
    .btn-primary:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
    .btn-ghost { background: transparent; color: var(--text-light); border-color: rgba(255,255,255,0.4); }
    .btn-ghost:hover { border-color: var(--amber); color: var(--amber); transform: translateY(-2px); }
    .btn-ghost:active { transform: scale(0.98); }
    .btn-outline { background: transparent; color: var(--tea); border-color: var(--tea); }
    .btn-outline:hover { background: var(--tea); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
    .btn-sm { padding: 10px 22px; font-size: 14px; }
    .btn-block { width: 100%; }

    /* ===== 标签 / 徽章 ===== */
    .badge {
      display: inline-block; background: var(--bg-soft); color: var(--bronze);
      font-size: 12px; padding: 4px 12px; border-radius: 999px; letter-spacing: 0.06em; font-weight: 600;
    }
    .badge-tea { background: rgba(169,113,47,0.12); color: var(--tea); }

    /* ===== 板块通用 ===== */
    .section { padding: 100px 0; }
    .section-alt { background: var(--bg-soft); }
    .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 56px; flex-wrap: wrap; }
    .section-head-left { max-width: 640px; }
    .section-label {
      display: inline-flex; align-items: center; gap: 10px;
      font-size: 13px; letter-spacing: 0.14em; color: var(--amber); font-weight: 600;
      text-transform: uppercase; margin-bottom: 14px;
    }
    .section-label::before { content: ''; width: 36px; height: 1px; background: var(--amber); display: inline-block; }
    .section-head h2 { font-family: var(--font-serif); font-size: clamp(28px, 3.5vw, 36px); font-weight: 700; color: var(--ink); line-height: 1.3; letter-spacing: 0.02em; }
    .section-head .section-desc { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-top: 12px; }
    .section-number {
      font-family: var(--font-serif); font-size: 15px; color: var(--bronze); font-weight: 700;
      display: inline-flex; align-items: center; gap: 8px;
    }
    .section-number::after { content: '—'; color: var(--amber); }

    /* ===== 导航 ===== */
    .site-header {
      position: sticky; top: 0; z-index: 100;
      background: rgba(244,239,231,0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-light);
    }
    .header-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 24px; max-width: 1200px; margin: 0 auto; }
    .brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
    .brand-mark {
      width: 42px; height: 42px; border-radius: 10px; background: var(--ink);
      display: flex; align-items: center; justify-content: center; color: var(--amber);
      flex-shrink: 0;
    }
    .brand-mark svg { width: 22px; height: 22px; }
    .brand-text { display: flex; flex-direction: column; line-height: 1.3; }
    .brand-name { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--ink); letter-spacing: 0.02em; }
    .brand-tag { font-size: 12px; letter-spacing: 0.12em; color: var(--tea); font-weight: 500; }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .search-box { position: relative; }
    .search-box input {
      width: 220px; padding: 10px 16px 10px 40px; border: 1px solid var(--border-light);
      border-radius: 999px; background: rgba(255,255,255,0.7); font-size: 14px;
      color: var(--text-dark); transition: all 0.2s; outline: none;
    }
    .search-box input::placeholder { color: var(--text-muted); }
    .search-box input:focus { border-color: var(--tea); box-shadow: 0 0 0 3px rgba(169,113,47,0.15); background: #fff; }
    .search-box svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-muted); pointer-events: none; }
    .header-nav { border-top: 1px solid var(--border-light); background: rgba(244,239,231,0.96); }
    .nav-tabs { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
    .nav-tabs::-webkit-scrollbar { display: none; }
    .nav-tab {
      padding: 13px 22px; font-size: 14px; font-weight: 500; color: var(--text-muted);
      white-space: nowrap; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s;
      display: inline-flex; align-items: center; gap: 6px;
    }
    .nav-tab:hover { color: var(--amber); }
    .nav-tab.active { color: var(--tea); border-bottom-color: var(--tea); font-weight: 600; }

    /* ===== Hero（首页同款设计系统，内页预留） ===== */
    .hero { position: relative; min-height: 660px; display: flex; align-items: center; background-color: var(--ink); color: var(--text-light); padding: 90px 0; overflow: hidden; }
    .hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.45; }
    .hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(27,22,18,0.92) 20%, rgba(36,29,23,0.62) 70%, rgba(27,22,18,0.82)); }

    /* ===== 面包屑 ===== */
    .breadcrumb-wrap { background: var(--bg-soft); border-bottom: 1px solid var(--border-light); padding: 14px 0; }
    .breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); overflow-x: auto; scrollbar-width: none; }
    .breadcrumb::-webkit-scrollbar { display: none; }
    .breadcrumb a { transition: color 0.2s; white-space: nowrap; }
    .breadcrumb a:hover { color: var(--tea); }
    .breadcrumb .sep { color: var(--border-light); }
    .breadcrumb .current { color: var(--bronze); white-space: nowrap; }

    /* ===== 文章页首屏 ===== */
    .article-hero { padding: 72px 0 40px; position: relative; }
    .article-kicker {
      display: inline-flex; align-items: center; gap: 12px;
      font-size: 13px; letter-spacing: 0.14em; color: var(--amber); font-weight: 600;
      margin-bottom: 18px;
    }
    .article-kicker::after { content: ''; width: 44px; height: 1px; background: var(--amber); }
    .article-hero-inner { max-width: 880px; margin: 0 auto; }
    .article-hero h1 {
      font-family: var(--font-serif); font-size: clamp(32px, 4.2vw, 46px); font-weight: 700;
      color: var(--ink); line-height: 1.35; letter-spacing: 0.01em; margin: 18px 0 18px;
    }
    .article-meta { display: flex; align-items: center; gap: 20px; color: var(--text-muted); font-size: 14px; flex-wrap: wrap; margin-bottom: 24px; }
    .article-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--bronze); }
    .article-summary {
      max-width: 720px; font-size: 16px; line-height: 1.9; color: var(--text-muted);
      border-left: 3px solid rgba(169,113,47,0.55); padding-left: 20px; margin-bottom: 36px;
    }
    .article-cover { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border-light); box-shadow: var(--shadow-md); }
    .article-cover img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
    .article-cover figcaption { padding: 12px 18px; font-size: 13px; color: var(--text-muted); background: var(--bg-soft); line-height: 1.5; }

    /* ===== 正文区块 ===== */
    .article-section { padding: 64px 0 72px; }
    .article-wrap { max-width: 780px; margin: 0 auto; }
    .article-content { font-size: 16.5px; line-height: 1.85; color: var(--text-dark); }
    .article-content h2 {
      font-family: var(--font-serif); font-size: clamp(24px, 2.6vw, 28px); font-weight: 700;
      color: var(--ink); margin: 52px 0 18px; padding-bottom: 12px;
      border-bottom: 1px solid var(--border-light); line-height: 1.4;
    }
    .article-content h3 { font-family: var(--font-serif); font-size: 21px; font-weight: 700; color: var(--ink); margin: 38px 0 14px; line-height: 1.45; }
    .article-content p { margin: 0 0 1.6em; }
    .article-content a { color: var(--tea); border-bottom: 1px solid rgba(169,113,47,0.35); transition: all 0.2s; }
    .article-content a:hover { color: var(--amber); border-bottom-color: var(--amber); }
    .article-content blockquote {
      margin: 30px 0; padding: 22px 26px; background: var(--bg-soft);
      border-left: 3px solid var(--tea); border-radius: 0 var(--radius) var(--radius) 0;
      color: var(--text-muted); line-height: 1.85;
    }
    .article-content blockquote p { margin: 0 0 0.6em; }
    .article-content blockquote p:last-child { margin-bottom: 0; }
    .article-content ul { list-style: none; margin: 0 0 1.6em; padding: 0; }
    .article-content ul li { position: relative; padding-left: 26px; margin-bottom: 12px; }
    .article-content ul li::before {
      content: ''; position: absolute; left: 4px; top: 0.72em;
      width: 6px; height: 6px; border-radius: 50%; background: var(--tea);
    }
    .article-content ol { padding-left: 22px; margin: 0 0 1.6em; }
    .article-content ol li { padding-left: 6px; margin-bottom: 12px; }
    .article-content img { border-radius: var(--radius); margin: 32px auto; border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); }
    .article-content figcaption { text-align: center; font-size: 13px; color: var(--text-muted); margin: -20px 0 30px; line-height: 1.6; }

    /* ===== 文末导航位 ===== */
    .article-pager {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--border-light); flex-wrap: wrap;
    }
    .pager-link { font-size: 14px; font-weight: 600; color: var(--tea); transition: color 0.2s; display: inline-flex; align-items: center; gap: 6px; }
    .pager-link:hover { color: var(--amber); }
    .pager-tag { font-size: 13px; letter-spacing: 0.1em; color: var(--text-muted); }
    .article-footer-nav {
      display: flex; justify-content: space-between; align-items: center; gap: 16px;
      margin-top: 28px; flex-wrap: wrap;
    }

    /* ===== 空态 ===== */
    .article-empty { text-align: center; padding: 100px 0; }
    .article-empty h2 { font-family: var(--font-serif); font-size: 30px; color: var(--ink); margin-bottom: 16px; }
    .article-empty p { color: var(--text-muted); margin-bottom: 32px; max-width: 480px; margin-left: auto; margin-right: auto; }
    .article-empty .btn + .btn { margin-left: 12px; }

    /* ===== 相关阅读 ===== */
    .related-section { background: var(--bg-soft); }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .related-card {
      background: var(--paper); border: 1px solid var(--border-light); border-radius: var(--radius);
      overflow: hidden; box-shadow: var(--shadow-sm); transition: all 0.25s ease;
      display: flex; flex-direction: column;
    }
    .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(169,113,47,0.35); }
    .related-card-thumb { height: 180px; overflow: hidden; position: relative; }
    .related-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
    .related-card:hover .related-card-thumb img { transform: scale(1.05); }
    .related-card-body { padding: 20px 24px 24px; display: flex; flex-direction: column; flex: 1; }
    .related-card-body .badge { align-self: flex-start; margin-bottom: 12px; }
    .related-card-body h3 { font-family: var(--font-serif); font-size: 19px; color: var(--ink); line-height: 1.55; margin-bottom: 10px; transition: color 0.2s; }
    .related-card:hover h3 { color: var(--tea); }
    .related-card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 18px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .card-link { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--tea); display: inline-flex; align-items: center; gap: 4px; transition: all 0.2s; }
    .related-card:hover .card-link { color: var(--amber); gap: 8px; }
    .related-empty { text-align: center; padding: 48px 24px; background: rgba(255,255,255,0.55); border: 1px dashed var(--border-light); border-radius: var(--radius); }
    .related-empty p { margin-bottom: 24px; color: var(--text-muted); }

    /* ===== CTA 大色块 ===== */
    .cta-band { position: relative; background: var(--ink); color: var(--text-light); padding: 88px 0; overflow: hidden; }
    .cta-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.jpg'); background-size: cover; background-position: center; opacity: 0.3; }
    .cta-band::after { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(27,22,18,0.55) 0%, rgba(27,22,18,0.92) 100%); }
    .cta-inner { position: relative; z-index: 2; text-align: center; max-width: 680px; margin: 0 auto; }
    .cta-kicker { display: inline-block; font-size: 13px; letter-spacing: 0.14em; color: var(--amber); font-weight: 600; margin-bottom: 18px; }
    .cta-inner h2 { font-family: var(--font-serif); font-size: clamp(28px, 3.6vw, 38px); line-height: 1.35; margin-bottom: 18px; }
    .cta-inner p { color: var(--text-light-muted); margin-bottom: 34px; font-size: 16px; }
    .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

    /* ===== 页脚 ===== */
    .site-footer { background: var(--coal); color: var(--text-light-muted); padding-top: 72px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; padding-bottom: 56px; }
    .footer-brand .footer-name { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--text-light); line-height: 1.4; display: block; }
    .footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.85; max-width: 460px; }
    .footer-nav { display: flex; flex-direction: column; gap: 10px; }
    .footer-nav-title { font-size: 13px; letter-spacing: 0.12em; color: var(--amber); font-weight: 600; margin-bottom: 8px; }
    .footer-nav a { font-size: 14px; color: var(--text-light-muted); transition: color 0.2s; }
    .footer-nav a:hover { color: var(--amber); }
    .footer-bottom { border-top: 1px solid var(--border-dark); padding: 24px 0; }
    .footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--text-light-muted); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .related-grid { grid-template-columns: repeat(2, 1fr); }
      .search-box input { width: 170px; }
    }
    @media (max-width: 768px) {
      .section { padding: 72px 0; }
      .header-top { padding: 12px 16px; }
      .search-box { display: none; }
      .brand-mark { width: 38px; height: 38px; }
      .brand-name { font-size: 18px; }
      .brand-tag { font-size: 11px; }
      .nav-tab { padding: 11px 16px; font-size: 13px; }
      .breadcrumb-wrap { padding: 12px 0; }
      .article-hero { padding: 48px 0 28px; }
      .article-hero h1 { font-size: 30px; }
      .article-summary { font-size: 15px; }
      .article-cover img { aspect-ratio: 16 / 10; }
      .article-section { padding: 40px 0 56px; }
      .related-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
      .cta-band { padding: 64px 0; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .article-empty { padding: 72px 0; }
    }
    @media (max-width: 520px) {
      .container { padding: 0 16px; }
      .header-actions .btn { padding: 9px 14px; font-size: 13px; }
      .header-actions { gap: 10px; }
      .nav-tab { padding: 10px 14px; font-size: 13px; }
      .section-head { margin-bottom: 40px; }
      .section-head .section-desc { font-size: 14px; }
      .breadcrumb { font-size: 12px; gap: 6px; }
      .article-hero h1 { font-size: 27px; line-height: 1.35; }
      .article-meta { gap: 10px; font-size: 13px; }
      .article-summary { padding-left: 14px; font-size: 14.5px; }
      .article-pager { flex-direction: column; align-items: flex-start; }
      .article-footer-nav { flex-direction: column; align-items: stretch; }
      .article-footer-nav .btn { width: 100%; }
      .article-empty .btn + .btn { margin-left: 0; margin-top: 12px; }
      .cta-buttons { flex-direction: column; align-items: stretch; }
      .cta-buttons .btn { width: 100%; }
      .related-card-thumb { height: 200px; }
      .footer-bottom .container { flex-direction: column; align-items: flex-start; }
    }