/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #8C5A3C;
  --primary-deep: #5C3825;
  --accent: #B88657;
  --base-bg: #F7F3ED;
  --deep-bg: #2A211B;
  --card-bg: #FFFFFF;
  --muted-text: #8A7B6E;
  --border-color: #E7DDD0;
  --success: #6B7F5E;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-input: 8px;
  --shadow-card: 0 8px 24px rgba(60, 40, 20, 0.08);
  --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;
  --container-max: 1200px;
  --space-section: 88px;
  --transition: 0.2s ease;
}

/* ===== Reset / Base ===== */
*, *::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: 15px;
  line-height: 1.75;
  color: #3D3229;
  background: var(--base-bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 14px; }
h1, h2, h3, h4 { font-family: var(--font-serif); line-height: 1.3; color: #2A211B; }
ul { list-style: none; }

/* ===== 容器 ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary {
  background: var(--primary);
  color: #FFF;
  box-shadow: 0 2px 8px rgba(140, 90, 60, 0.22);
}
.btn-primary:hover { background: var(--primary-deep); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(140, 90, 60, 0.3); }
.btn-ghost {
  background: transparent;
  color: #3D3229;
  border: 1.5px solid rgba(60, 50, 41, 0.32);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary-deep); background: rgba(140, 90, 60, 0.04); }
.btn-light {
  background: var(--base-bg);
  color: var(--primary-deep);
  border: 1px solid rgba(60, 50, 41, 0.15);
}
.btn-light:hover { background: #fff; color: var(--primary); transform: translateY(-1px); box-shadow: var(--shadow-card); }

/* ===== 标签 / 徽章 ===== */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(140, 90, 60, 0.08);
  border: 1px solid rgba(140, 90, 60, 0.18);
  line-height: 1.5;
}
.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.badge-high {
  background: var(--primary);
  color: #FFF;
}
.badge-normal {
  background: transparent;
  color: var(--muted-text);
  border: 1px solid var(--border-color);
}

/* ===== 标题通用 ===== */
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.section-head h2 { font-size: 32px; font-weight: 700; letter-spacing: 0.01em; }
.section-head h2 span { color: var(--primary); }
.section-head .section-intro { color: var(--muted-text); font-size: 14px; max-width: 420px; line-height: 1.7; margin-top: 8px; }
.section-link { color: var(--primary); font-size: 14px; font-weight: 600; white-space: nowrap; }
.section-link:hover { color: var(--primary-deep); }
.section-link svg { vertical-align: -2px; margin-left: 2px; transition: transform var(--transition); }
.section-link:hover svg { transform: translateX(3px); }

/* ===== Header / 导航 ===== */
.site-header { position: relative; z-index: 100; background: var(--deep-bg); }
.brand-row {
  position: sticky;
  top: 0;
  z-index: 300;
  background: rgba(42, 33, 27, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.brand-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(184, 134, 87, 0.14);
  border-radius: 10px;
  color: var(--accent);
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: #F7F3ED;
  letter-spacing: 0.04em;
  line-height: 1.2;
}
.logo-text small {
  display: block;
  font-size: 10px;
  font-weight: 400;
  font-family: var(--font-sans);
  color: rgba(247, 243, 237, 0.55);
  letter-spacing: 0.18em;
  margin-top: 1px;
}
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.main-nav a {
  color: rgba(247, 243, 237, 0.78);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 2px;
  position: relative;
  letter-spacing: 0.02em;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.main-nav a:hover { color: #FFF; }
.main-nav a:hover::after { width: 100%; }
.header-cta { margin-left: 8px; padding: 10px 22px; font-size: 14px; border-radius: 8px; }
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: #F7F3ED;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: background var(--transition);
}
.hamburger:hover { background: rgba(255, 255, 255, 0.06); }

/* 图标网格导航条 */
.icon-grid-row {
  background: var(--deep-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.icon-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 14px 24px 16px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  align-items: stretch;
}
.icon-grid-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 10px 6px 8px;
  border-radius: 12px;
  color: rgba(247, 243, 237, 0.72);
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  transition: all var(--transition);
  border-bottom: 2px solid transparent;
  position: relative;
}
.icon-grid-item svg { width: 24px; height: 24px; transition: color var(--transition), transform var(--transition); }
.icon-grid-item:hover {
  color: var(--accent);
  transform: translateY(2px);
  border-bottom-color: var(--accent);
  background: rgba(255, 255, 255, 0.03);
}
.icon-grid-item:hover svg { transform: translateY(-1px); }

/* 移动端抽屉 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 85vw);
  background: #221A15;
  z-index: 500;
  padding: 88px 28px 40px;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  box-shadow: -16px 0 40px rgba(0, 0, 0, 0.3);
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 15, 12, 0.5);
  z-index: 450;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}
.drawer-overlay.open { opacity: 1; visibility: visible; }
.drawer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: rgba(247, 243, 237, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.drawer-close:hover { background: rgba(255, 255, 255, 0.06); color: #FFF; }
.drawer-nav { display: flex; flex-direction: column; gap: 2px; }
.drawer-nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: 10px;
  color: rgba(247, 243, 237, 0.8);
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.drawer-nav a:hover { background: rgba(255, 255, 255, 0.05); color: var(--accent); }
.drawer-divider { height: 1px; background: rgba(255, 255, 255, 0.08); margin: 18px 0 14px; }
.drawer-label {
  color: rgba(247, 243, 237, 0.4);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 4px 14px 10px;
}
.drawer-icon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.drawer-icon-grid a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  color: rgba(247, 243, 237, 0.78);
  font-size: 14px;
  min-height: 48px;
}
.drawer-icon-grid a svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }
.drawer-icon-grid a:hover { background: rgba(255, 255, 255, 0.07); color: #FFF; }
.drawer-cta { margin-top: 26px; width: 100%; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--base-bg);
  overflow: hidden;
  padding: 70px 0 60px;
}
.hero::before {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(140, 90, 60, 0.08) 0%, transparent 68%);
  left: -120px;
  top: -80px;
  pointer-events: none;
}
.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-copy { padding-right: 8px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-deep);
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  background: rgba(140, 90, 60, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(140, 90, 60, 0.12);
}
.hero-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.hero h1 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--primary-deep);
  position: relative;
  padding-left: 18px;
  margin-bottom: 22px;
  max-width: 560px;
}
.hero h1::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 2px;
  background: var(--primary);
}
.hero-sub {
  font-size: 16px;
  line-height: 1.85;
  color: #5F5247;
  max-width: 500px;
  margin-bottom: 32px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--muted-text);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust span::before { content: "•"; color: var(--accent); font-size: 14px; line-height: 1; }
.hero-trust span:first-child::before { display: none; }
.hero-visual { position: relative; }
.hero-img-wrap {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(60, 40, 20, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.6);
  position: relative;
}
.hero-img-wrap img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.hero-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(42, 33, 27, 0.2) 100%);
}
.hero-float-card {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 14px 20px;
  box-shadow: 0 8px 24px rgba(60, 40, 20, 0.12);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.7);
}
.hero-float-label { font-size: 12px; color: var(--muted-text); line-height: 1.4; }
.hero-float-label strong { display: block; font-size: 15px; color: var(--primary-deep); font-weight: 700; }

/* 加载动效 */
@keyframes riseFade {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-rise { opacity: 0; animation: riseFade 0.6s ease forwards; }
.animate-rise.delay-1 { animation-delay: 0.12s; }
.animate-rise.delay-2 { animation-delay: 0.24s; }
.animate-rise.delay-3 { animation-delay: 0.36s; }
.animate-rise.delay-4 { animation-delay: 0.48s; }
.animate-rise.delay-5 { animation-delay: 0.6s; }

/* ===== 指标看板 ===== */
.data-panel-section { padding: var(--space-section) 0; background: var(--base-bg); }
.data-panel {
  background: var(--deep-bg);
  border-radius: 20px;
  padding: 40px 36px;
  border: 1px solid rgba(184, 134, 87, 0.18);
  position: relative;
  box-shadow: 0 12px 40px rgba(20, 15, 12, 0.2);
  overflow: hidden;
}
.data-panel::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 32px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(184, 134, 87, 0.22);
}
.data-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding-left: 20px;
}
.data-panel-head h2 {
  color: #F7F3ED;
  font-size: 24px;
  font-weight: 600;
}
.data-panel-head .panel-hint {
  color: rgba(247, 243, 237, 0.45);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}
.metric-cell {
  padding: 26px 22px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition);
  position: relative;
}
.metric-cell:last-child { border-right: none; }
.metric-cell:hover { background: rgba(255, 255, 255, 0.04); }
.metric-num {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  display: block;
  letter-spacing: 0.02em;
}
.metric-label {
  display: block;
  font-size: 14px;
  color: rgba(247, 243, 237, 0.66);
  margin-top: 6px;
  font-weight: 500;
}
.metric-spark {
  margin-top: 12px;
  height: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  color: rgba(184, 134, 87, 0.7);
}
.metric-spark svg { height: 22px; width: 64px; }
.metric-sub {
  font-size: 12px;
  color: rgba(247, 243, 237, 0.4);
  margin-top: 4px;
}
.panel-foot {
  margin-top: 20px;
  padding-left: 20px;
  font-size: 13px;
  color: rgba(247, 243, 237, 0.5);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* ===== 服务矩阵 ===== */
.services-section { padding: var(--space-section) 0; background: #F4EFE7; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(140, 90, 60, 0.4);
}
.service-card:hover .service-badge { opacity: 1; transform: translateY(0); }
.service-card.span-2 { grid-column: span 2; }
.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(140, 90, 60, 0.1);
  color: var(--primary);
  margin-bottom: 18px;
  transition: background var(--transition);
}
.service-card:hover .service-icon { background: rgba(140, 90, 60, 0.16); }
.service-icon svg { width: 22px; height: 22px; }
.service-title { font-size: 18px; font-weight: 600; font-family: var(--font-sans); margin-bottom: 8px; color: #2A211B; }
.service-desc { font-size: 14px; line-height: 1.7; color: var(--muted-text); flex: 1; margin-bottom: 16px; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.service-link svg { transition: transform var(--transition); }
.service-link:hover { color: var(--primary-deep); }
.service-link:hover svg { transform: translateX(3px); }
.service-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--transition);
}

/* ===== 结果对比 ===== */
.compare-section { padding: var(--space-section) 0; background: var(--base-bg); }
.compare-wrap {
  display: grid;
  grid-template-columns: 1fr 48px 1fr;
  gap: 0;
  align-items: stretch;
  position: relative;
}
.compare-col {
  border-radius: 20px;
  padding: 36px 34px;
  display: flex;
  flex-direction: column;
}
.compare-col h3 { font-size: 22px; font-weight: 700; margin: 14px 0 8px; line-height: 1.4; }
.compare-col .compare-intro { font-size: 14px; color: var(--muted-text); margin-bottom: 24px; line-height: 1.7; }
.compare-col.dark {
  background: var(--deep-bg);
  border: 1px solid rgba(184, 134, 87, 0.18);
  box-shadow: 0 10px 32px rgba(20, 15, 12, 0.18);
}
.compare-col.dark h3 { color: #F7F3ED; }
.compare-col.dark .compare-intro { color: rgba(247, 243, 237, 0.56); }
.compare-col.dark .tag { background: rgba(184, 134, 87, 0.14); border-color: rgba(184, 134, 87, 0.3); color: var(--accent); }
.compare-col.light {
  background: #FFF;
  border: 1px solid var(--border-color);
  box-shadow: 0 6px 20px rgba(60, 40, 20, 0.05);
}
.compare-col.light h3 { color: #3D3229; }
.compare-list { display: flex; flex-direction: column; gap: 14px; margin-top: 4px; }
.compare-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.65;
}
.compare-item .c-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.compare-col.dark .compare-item { color: rgba(247, 243, 237, 0.85); }
.compare-col.dark .c-icon { background: rgba(107, 127, 94, 0.18); color: #88A678; }
.compare-col.light .compare-item { color: var(--muted-text); }
.compare-col.light .c-icon { background: rgba(138, 123, 110, 0.12); color: var(--muted-text); }
.diff-badge {
  align-self: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-deep);
  background: var(--base-bg);
  box-shadow: 0 0 0 4px rgba(184, 134, 87, 0.12);
  margin: 0 auto;
  white-space: nowrap;
}

/* ===== 品牌叙事 ===== */
.brand-section { padding: var(--space-section) 0; background: #F4EFE7; }
.brand-wrap {
  display: grid;
  grid-template-columns: 46% 54%;
  gap: 56px;
  align-items: center;
}
.brand-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  height: 420px;
  box-shadow: 0 14px 40px rgba(60, 40, 20, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.brand-visual img { width: 100%; height: 100%; object-fit: cover; }
.brand-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(42, 33, 27, 0.3) 100%);
}
.brand-copy h2 { font-size: 31px; font-weight: 700; margin-bottom: 14px; line-height: 1.35; }
.brand-copy .tag { margin-bottom: 16px; }
.brand-intro { font-size: 15px; color: var(--muted-text); line-height: 1.8; margin-bottom: 32px; max-width: 520px; }
.brand-features { display: flex; flex-direction: column; gap: 22px; }
.brand-feature { display: flex; gap: 16px; align-items: flex-start; }
.brand-feature .bf-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(140, 90, 60, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.brand-feature .bf-icon svg { width: 20px; height: 20px; }
.brand-feature h4 { font-family: var(--font-sans); font-size: 16px; font-weight: 600; color: #2A211B; margin-bottom: 4px; }
.brand-feature p { font-size: 14px; color: var(--muted-text); line-height: 1.7; }

/* ===== 最新动态 / 资讯 ===== */
.news-section { padding: var(--space-section) 0; background: var(--base-bg); }
.news-wrap {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 44px;
  align-items: start;
}
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition), padding-left var(--transition);
}
.news-item:first-child { padding-top: 2px; }
.news-item:hover { padding-left: 8px; }
.news-date {
  font-size: 13px;
  color: var(--muted-text);
  white-space: nowrap;
  min-width: 60px;
  font-variant-numeric: tabular-nums;
}
.news-title {
  font-size: 15px;
  font-weight: 500;
  color: #3D3229;
  line-height: 1.6;
  flex: 1;
}
.news-item:hover .news-title { color: var(--primary); }
.news-tag { flex-shrink: 0; }
.news-more { margin-top: 22px; display: inline-flex; align-items: center; gap: 4px; font-size: 14px; font-weight: 600; color: var(--primary); }
.news-more svg { transition: transform var(--transition); }
.news-more:hover svg { transform: translateX(3px); }
.news-sidebar { display: flex; flex-direction: column; gap: 24px; }
.side-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: 0 4px 16px rgba(60, 40, 20, 0.04);
}
.side-card h4 { font-family: var(--font-sans); font-size: 16px; font-weight: 600; margin-bottom: 16px; color: #2A211B; }
.side-card-img {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  position: relative;
}
.side-card-img img { width: 100%; height: 150px; object-fit: cover; }
.side-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(42, 33, 27, 0.35) 100%);
}
.side-card-item { font-size: 14px; color: var(--muted-text); line-height: 1.7; margin-bottom: 12px; }
.side-card-item:last-child { margin-bottom: 0; }
.side-card-item strong { display: block; color: #3D3229; font-weight: 600; font-size: 15px; margin-bottom: 2px; }
.side-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===== FAQ ===== */
.faq-section { padding: var(--space-section) 0; background: #F4EFE7; }
.faq-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
}
.faq-side h2 { font-size: 30px; font-weight: 700; margin-bottom: 12px; line-height: 1.35; }
.faq-side p { font-size: 14px; color: var(--muted-text); line-height: 1.7; margin-bottom: 20px; }
.faq-side .section-link { display: inline-block; }
.faq-list { border-top: 1px solid var(--border-color); }
.faq-item { border-bottom: 1px solid var(--border-color); background: #FFF; border-radius: 0; transition: background var(--transition); }
.faq-item.open { background: #FFF; }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 16px 20px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: #2A211B;
  background: transparent;
  text-align: left;
  width: 100%;
  line-height: 1.5;
  transition: color var(--transition);
  border-radius: 0;
}
.faq-q:hover { color: var(--primary); }
.faq-q .faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s ease, background var(--transition), color var(--transition);
  background: transparent;
  line-height: 1;
  position: relative;
}
.faq-q .faq-icon::before { content: ""; position: absolute; width: 10px; height: 1.5px; background: currentColor; }
.faq-q .faq-icon::after { content: ""; position: absolute; width: 1.5px; height: 10px; background: currentColor; transition: transform 0.3s ease; }
.faq-item.open .faq-q .faq-icon { transform: rotate(45deg); background: var(--primary); color: #FFF; }
.faq-q .faq-icon::before { content: ""; position: absolute; width: 10px; height: 1.5px; background: currentColor; }
.faq-q .faq-icon::after { content: ""; position: absolute; width: 1.5px; height: 10px; background: currentColor; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 20px;
}
.faq-item.open .faq-a { max-height: 320px; padding-bottom: 20px; }
.faq-a-inner {
  font-size: 14px;
  line-height: 1.8;
  color: #6B5D52;
  padding-left: 14px;
  border-left: 2px solid var(--primary);
  padding-top: 2px;
  padding-bottom: 2px;
}

/* ===== 预约表单 ===== */
.booking-section { padding: var(--space-section) 0; background: var(--base-bg); position: relative; }
.booking-card {
  background: var(--card-bg);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 40% 60%;
  overflow: hidden;
}
.booking-info {
  background: var(--deep-bg);
  color: #F7F3ED;
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.booking-info::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 134, 87, 0.09) 0%, transparent 70%);
  bottom: -80px;
  right: -60px;
}
.booking-info h2 { color: #F7F3ED; font-size: 28px; font-weight: 700; margin-bottom: 16px; }
.booking-info > p { font-size: 14px; line-height: 1.8; color: rgba(247, 243, 237, 0.68); margin-bottom: 28px; max-width: 280px; }
.booking-contacts { display: flex; flex-direction: column; gap: 16px; margin-top: auto; position: relative; z-index: 1; }
.booking-contact { display: flex; align-items: center; gap: 12px; font-size: 14px; color: rgba(247, 243, 237, 0.8); }
.booking-contact .bc-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 8px;
  background: rgba(184, 134, 87, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.booking-contact .bc-icon svg { width: 18px; height: 18px; }
.booking-form { padding: 44px 40px; }
.booking-form .form-title { font-size: 20px; font-weight: 600; margin-bottom: 24px; color: #2A211B; font-family: var(--font-sans); }
.booking-form .form-title span { color: var(--primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #3D3229;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-input);
  background: #FCFAF7;
  font-size: 14px;
  color: #3D3229;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  letter-spacing: 0.02em;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(140, 90, 60, 0.18);
  background: #FFF;
}
.form-group textarea { resize: vertical; min-height: 84px; }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238A7B6E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }
.form-submit-btn { width: 100%; margin-top: 4px; }
.form-note {
  text-align: center;
  font-size: 12px;
  color: var(--muted-text);
  margin-top: 14px;
  letter-spacing: 0.02em;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--deep-bg);
  color: rgba(247, 243, 237, 0.72);
  padding: 68px 0 24px;
  position: relative;
}
.footer-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 56px;
  padding-bottom: 48px;
}
.footer-brand .logo-text { font-size: 22px; color: #F7F3ED; }
.footer-brand .logo-icon { width: 44px; height: 44px; border-radius: 12px; }
.footer-brand-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 243, 237, 0.55);
  margin-top: 18px;
  max-width: 290px;
}
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: #F7F3ED;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a {
  font-size: 14px;
  color: rgba(247, 243, 237, 0.6);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact-info { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-info li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(247, 243, 237, 0.6); line-height: 1.6; }
.footer-contact-info svg { flex-shrink: 0; width: 17px; height: 17px; color: var(--accent); margin-top: 2px; }
.footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 20px 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-copy {
  font-size: 13px;
  color: rgba(247, 243, 237, 0.4);
  letter-spacing: 0.04em;
}
.footer-links { display: flex; gap: 22px; }
.footer-links a { font-size: 13px; color: rgba(247, 243, 237, 0.4); }
.footer-links a:hover { color: var(--accent); }

/* ===== Scroll reveal ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-cta { display: none; }
  .icon-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-copy { text-align: center; padding: 0; }
  .hero h1 { margin-left: auto; margin-right: auto; text-align: left; }
  .hero-sub { margin-left: auto; margin-right: auto; max-width: 520px; }
  .hero-ctas { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-visual { max-width: 520px; margin: 0 auto; }
  .hero-img-wrap img { height: 360px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-cell { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .metric-cell:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, 0.06); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card.span-2 { grid-column: span 2; }
  .compare-wrap { grid-template-columns: 1fr; gap: 24px; }
  .diff-badge { display: none; }
  .brand-wrap { grid-template-columns: 1fr; gap: 40px; }
  .brand-visual { height: 340px; }
  .news-wrap { grid-template-columns: 1fr; gap: 36px; }
  .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .booking-card { grid-template-columns: 1fr; }
  .booking-info { padding: 36px 32px; }
  .booking-form { padding: 36px 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
  :root { --space-section: 56px; }
  .container, .brand-inner, .hero-inner, .icon-grid, .footer-grid, .footer-bottom { padding-left: 16px; padding-right: 16px; }
  .brand-inner { height: 64px; gap: 16px; }
  .logo-text { font-size: 18px; }
  .icon-grid { grid-template-columns: repeat(2, 1fr); padding: 10px 16px 12px; }
  .icon-grid-item { flex-direction: row; justify-content: center; gap: 8px; padding: 10px 8px; }
  .icon-grid-item svg { width: 20px; height: 20px; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 30px; padding-left: 14px; }
  .hero h1::before { top: 6px; bottom: 6px; }
  .hero-sub { font-size: 15px; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-ctas .btn { width: 100%; max-width: 280px; }
  .hero-img-wrap img { height: 260px; }
  .hero-float-card { left: 12px; bottom: 12px; padding: 10px 14px; }
  .section-head { flex-direction: column; align-items: flex-start; margin-bottom: 28px; }
  .section-head h2 { font-size: 26px; }
  .data-panel { padding: 28px 18px; border-radius: 16px; }
  .data-panel::before { top: 16px; left: 18px; }
  .data-panel-head { padding-left: 16px; flex-direction: column; align-items: flex-start; gap: 6px; }
  .data-panel-head h2 { font-size: 20px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-cell { padding: 20px 14px; }
  .metric-num { font-size: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card.span-2 { grid-column: span 1; }
  .compare-wrap { gap: 20px; }
  .compare-col { padding: 26px 22px; }
  .compare-col h3 { font-size: 20px; }
  .brand-visual { height: 240px; }
  .brand-copy h2 { font-size: 26px; }
  .brand-feature { gap: 12px; }
  .news-item { flex-wrap: wrap; gap: 8px 16px; }
  .news-date { min-width: 0; font-size: 12px; }
  .news-title { font-size: 14px; width: 100%; flex-basis: 100%; order: 2; }
  .news-tag { order: 1; }
  .faq-q { font-size: 15px; padding: 14px 16px; }
  .faq-a-inner { font-size: 13px; padding-left: 10px; }
  .booking-form { padding: 28px 22px; }
  .booking-info { padding: 30px 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; gap: 16px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 27px; }
  .hero-sub { font-size: 14px; }
  .metric-cell { padding: 16px 10px; }
  .metric-num { font-size: 28px; }
  .metric-spark { display: none; }
  .service-card { padding: 22px 18px; }
  .side-card { padding: 18px; }
}