/* === Variables === */
:root {
  --text-primary: #1D1D1F;
  --text-secondary: #86868B;
  --text-tertiary: #6E6E73;
  --bg-white: #FFFFFF;
  --bg-gray: #F5F5F7;
  --bg-gray-light: #FAFAFA;
  --bg-gray-dark: #EDEDF0;
  --border: #D2D2D7;
  --border-light: #E8E8ED;
  --nav-height: 48px;
  --max-width: 980px;
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.47;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* === Container === */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 22px; }

/* === Navigation === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 9999;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.nav.scrolled {
  border-bottom-color: rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.85);
}
.nav-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.nav-links { display: flex; gap: 28px; }
.nav-link {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link.active { color: var(--text-primary); font-weight: 500; }

/* === Hero === */
.hero {
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 22px 60px;
}
.hero h1 {
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.08;
  margin-bottom: 14px;
}
.hero-sub {
  font-size: 21px;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 580px;
}
.hero-eyebrow {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* === Tile Grid === */
.tile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--border-light);
}
.tile {
  display: flex;
  flex-direction: column;
  padding: 56px 40px;
  min-height: 340px;
  text-decoration: none;
  color: inherit;
  border-right: 1px solid var(--border-light);
  transition: background 0.25s ease;
}
.tile:last-child, .tile:nth-child(2n) { border-right: none; }
.tile.bg-white { background: var(--bg-white); }
.tile.bg-gray { background: var(--bg-gray); }
.tile.bg-white:hover { background: var(--bg-gray-light); }
.tile.bg-gray:hover { background: var(--bg-gray-dark); }
.tile-icon { width: 40px; height: 40px; margin-bottom: 28px; }
.tile-icon svg { width: 100%; height: 100%; }
.tile h2 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-bottom: 8px;
}
.tile-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 380px;
  margin-bottom: 24px;
  line-height: 1.5;
}
.tile-link {
  margin-top: auto;
  font-size: 17px;
  color: #06C;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.tile-link::after {
  content: "\203A";
  font-size: 22px;
  line-height: 1;
  transition: transform 0.2s;
}
.tile:hover .tile-link::after { transform: translateX(3px); }

/* === Page Header (sub-pages) === */
.page-header {
  padding: 120px 22px 48px;
  text-align: center;
}
.page-header h1 {
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-bottom: 10px;
}
.page-header p {
  font-size: 19px;
  color: var(--text-secondary);
}
.page-content { padding-bottom: 80px; }

/* === Filter Bar === */
.filter-bar {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 6px 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--text-primary); color: var(--text-primary); }
.filter-btn.active { background: var(--text-primary); color: white; border-color: var(--text-primary); }

/* === Tutorial List === */
.tutorial-list { display: flex; flex-direction: column; }
.tutorial-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
  text-decoration: none;
  color: inherit;
  transition: padding 0.2s ease;
}
.tutorial-card:first-child { border-top: 1px solid var(--border-light); }
.tutorial-card:hover { padding-left: 8px; }
.tutorial-info { flex: 1; }
.tutorial-title { font-size: 19px; font-weight: 500; margin-bottom: 4px; }
.tutorial-desc { font-size: 14px; color: var(--text-secondary); }
.tutorial-meta { display: flex; gap: 12px; align-items: center; flex-shrink: 0; padding-left: 16px; }
.tag {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 4px;
  background: var(--bg-gray);
  color: var(--text-secondary);
}
.tag.beginner { background: #E1F5EE; color: #0F6E56; }
.tag.intermediate { background: #E6F1FB; color: #185FA5; }
.tag.advanced { background: #EEEDFE; color: #534AB7; }
.tutorial-time { font-size: 13px; color: var(--text-tertiary); }

/* === Case Grid === */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.case-card {
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.case-card:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 28px rgba(0,0,0,0.06);
}
.case-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-info { padding: 24px; }
.case-tag { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; letter-spacing: 0.5px; }
.case-title { font-size: 21px; font-weight: 500; margin-bottom: 6px; }
.case-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }

/* === Photography Gallery === */
.gallery { display: flex; flex-direction: column; gap: 64px; }
.photo-item { display: flex; flex-direction: column; gap: 16px; }
.photo-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 16px;
}
.photo-placeholder::after {
  content: "";
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.photo-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0 2px;
}
.photo-title { font-size: 17px; font-weight: 500; margin-bottom: 4px; }
.photo-params { font-size: 13px; color: var(--text-tertiary); font-family: "SF Mono", "Menlo", monospace; }
.photo-notes { font-size: 14px; color: var(--text-secondary); max-width: 50%; line-height: 1.5; }

/* === About === */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}
.about-portrait {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1;
  border-radius: 50%;
  justify-self: center;
}
.about-text h2 { font-size: 32px; font-weight: 600; margin-bottom: 14px; }
.about-text p { font-size: 17px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 14px; }
.about-text strong { color: var(--text-primary); font-weight: 500; }
.about-section-title { font-size: 21px; font-weight: 500; margin-bottom: 20px; }
.timeline { margin-bottom: 48px; }
.timeline-item {
  display: flex;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-light);
}
.timeline-item:first-child { border-top: 1px solid var(--border-light); }
.timeline-year { font-size: 14px; color: var(--text-tertiary); width: 64px; flex-shrink: 0; font-weight: 500; }
.timeline-content { flex: 1; }
.timeline-title { font-size: 17px; font-weight: 500; margin-bottom: 2px; }
.timeline-desc { font-size: 14px; color: var(--text-secondary); }
.social-links { display: flex; gap: 24px; margin-top: 28px; }
.social-link {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.social-link:hover { color: var(--text-primary); }
.gear-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.gear-tag {
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 8px;
  background: var(--bg-gray);
  color: var(--text-secondary);
}

/* === Footer === */
.footer {
  padding: 24px 22px;
  border-top: 1px solid var(--border-light);
  text-align: center;
}
.footer p { font-size: 12px; color: var(--text-tertiary); }

/* === Newsroom — 主页内容卡片 === */
.news-header {
  padding: 120px 22px 40px;
  text-align: center;
}
.news-header h1 { font-size: 48px; font-weight: 600; letter-spacing: -0.005em; margin-bottom: 10px; }
.news-header p { font-size: 19px; color: var(--text-secondary); }

.news-feature {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-gray);
  text-decoration: none;
  color: inherit;
  margin-bottom: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.news-feature:hover { transform: scale(1.005); box-shadow: 0 8px 28px rgba(0,0,0,0.06); }
.news-feature-cover {
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #E8E8ED 0%, #D2D2D7 100%);
}
.news-feature-info { padding: 32px 40px 36px; }
.news-feature-info .news-tag { margin-bottom: 10px; }
.news-feature-title { font-size: 32px; font-weight: 600; letter-spacing: -0.005em; line-height: 1.15; margin-bottom: 10px; }
.news-feature-desc { font-size: 17px; color: var(--text-secondary); line-height: 1.5; max-width: 680px; }

.news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: #06C;
}
.news-date { font-size: 13px; color: var(--text-tertiary); margin-top: 12px; }

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.news-card {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.news-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,0.06); }
.news-card-cover {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F5F5F7 0%, #E8E8ED 100%);
}
.news-card-info { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-card-title { font-size: 19px; font-weight: 500; line-height: 1.3; margin: 8px 0 6px; }
.news-card-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.5; flex: 1; }
.news-card .news-date { margin-top: 14px; }

.news-load-more {
  display: block;
  margin: 0 auto 80px;
  padding: 12px 32px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: transparent;
  font-size: 15px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
}
.news-load-more:hover { background: var(--text-primary); color: white; border-color: var(--text-primary); }

/* === 首页三模块（Newsroom 三段式） === */
.home-section {
  padding: 64px 0 8px;
  border-top: 1px solid var(--border-light);
}
.home-section:first-of-type { border-top: none; padding-top: 56px; }
.home-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
}
.home-section-title { font-size: 32px; font-weight: 600; letter-spacing: -0.005em; }
.home-section-link {
  font-size: 15px;
  color: #06C;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.home-section-link:hover { opacity: 0.7; }
.home-section-link::after { content: "\203A"; margin-left: 4px; font-size: 19px; }

/* 模块① — 精选大卡 + 右侧小卡列表 */
.ai-feature-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 16px;
}
.ai-feature-card {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-gray);
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.ai-feature-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,0.06); }
.ai-feature-cover {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #E8E8ED 0%, #D2D2D7 100%);
}
.ai-feature-info { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.ai-feature-info .news-tag { margin-bottom: 8px; }
.ai-feature-title { font-size: 24px; font-weight: 600; letter-spacing: -0.005em; line-height: 1.2; margin-bottom: 8px; }
.ai-feature-desc { font-size: 15px; color: var(--text-secondary); line-height: 1.5; flex: 1; }
.ai-feature-info .news-date { margin-top: 16px; }

.ai-mini-list { display: flex; flex-direction: column; gap: 12px; }
.ai-mini-card {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  flex: 1;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.ai-mini-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.05); border-color: var(--border); }
.ai-mini-thumb {
  width: 64px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, #F5F5F7 0%, #E8E8ED 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ai-mini-thumb svg { width: 26px; height: 26px; }
.ai-mini-info { flex: 1; min-width: 0; }
.ai-mini-title { font-size: 15px; font-weight: 500; line-height: 1.35; margin-bottom: 3px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.ai-mini-date { font-size: 12px; color: var(--text-tertiary); }

/* 模块② — 财税知识：双列横向列表 */
.know-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 40px;
}
.know-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  border-top: 1px solid var(--border-light);
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.2s ease;
}
.know-item:hover { padding-left: 8px; }
.know-thumb {
  width: 88px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, #F5F5F7 0%, #E8E8ED 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.know-thumb svg { width: 26px; height: 26px; }
.know-info { flex: 1; min-width: 0; }
.know-tag { font-size: 12px; font-weight: 500; color: #06C; margin-bottom: 4px; }
.know-title { font-size: 16px; font-weight: 500; line-height: 1.4; margin-bottom: 3px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.know-date { font-size: 12px; color: var(--text-tertiary); }

/* 模块③ — 服务案例：深色故事卡 3 列 */
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.story-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 240px;
  border-radius: 18px;
  padding: 22px;
  background: #1D1D1F;
  text-decoration: none;
  color: white;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.story-card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,0.18); }
.story-tag {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 500;
  color: white;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: auto;
}
.story-tag.c-tech { background: #534AB7; }
.story-tag.c-trade { background: #0F6E56; }
.story-tag.c-mfg { background: #185FA5; }
.story-title { font-size: 18px; font-weight: 500; line-height: 1.35; margin-bottom: 8px; }
.story-meta { font-size: 12px; color: rgba(255,255,255,0.6); }

/* === 服务案例 — 横向大卡流（方案A） === */
.case-wide-list { display: flex; flex-direction: column; gap: 20px; }
.case-wide {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  border: 1px solid var(--border-light);
  padding: 32px 36px;
  text-decoration: none;
  color: inherit;
  background: var(--bg-white);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.case-wide:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(0,0,0,0.07); border-color: var(--border); }
.case-wide-head { display: flex; gap: 28px; align-items: flex-start; }
.case-wide-icon {
  width: 88px;
  height: 88px;
  flex-shrink: 0;
  border-radius: 14px;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-wide-icon svg { width: 40px; height: 40px; }
.case-wide-info { flex: 1; min-width: 0; }
.case-wide-tag { font-size: 12px; font-weight: 500; color: #06C; letter-spacing: 0.3px; margin-bottom: 8px; }
.case-wide-title { font-size: 26px; font-weight: 600; letter-spacing: -0.005em; line-height: 1.2; margin-bottom: 10px; }
.case-wide-desc { font-size: 16px; color: var(--text-secondary); line-height: 1.55; }
.case-wide-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}
.case-wide-metric { background: var(--bg-gray); border-radius: 12px; padding: 16px 18px; }
.case-wide-metric-num { font-size: 26px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.1; margin-bottom: 5px; }
.case-wide-metric-label { font-size: 12px; color: var(--text-secondary); line-height: 1.4; }
.case-wide-link {
  margin-top: 24px;
  font-size: 15px;
  color: #06C;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.case-wide-link::after { content: "\203A"; font-size: 19px; line-height: 1; transition: transform 0.2s; }
.case-wide:hover .case-wide-link::after { transform: translateX(3px); }
.case-disclaimer-note {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 28px;
  text-align: center;
  line-height: 1.5;
}

/* === 案例详情页（单栏文档） === */
.doc-single { max-width: 680px; margin: 0 auto; padding: 48px 22px 80px; }

/* === 服务报价（三张卡 · 参照 Apple Music 价格卡风格） === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
}
.pricing-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-white);
  border: 0.5px solid var(--border-light);
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: 0 10px 32px rgba(0,0,0,0.08); }
.pricing-ribbon {
  background: linear-gradient(90deg, #FF2D55 0%, #C20030 100%);
  color: white;
  font-size: 12px;
  font-weight: 500;
  text-align: center;
  padding: 6px 0;
  letter-spacing: 0.5px;
}
.pricing-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.pricing-name { font-size: 22px; font-weight: 600; color: #B50027; margin-bottom: 4px; }
.pricing-tag { font-size: 12px; color: var(--text-secondary); margin-bottom: 16px; }
.pricing-price-row { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.pricing-currency { font-size: 22px; font-weight: 500; color: var(--text-primary); }
.pricing-price { font-size: 44px; font-weight: 600; letter-spacing: -0.015em; line-height: 1; color: var(--text-primary); }
.pricing-unit { font-size: 14px; color: var(--text-secondary); margin-bottom: 18px; }
.pricing-divider { height: 1px; background: var(--border-light); margin: 0 0 18px; }
.pricing-list { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.pricing-list li {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  padding-left: 22px;
  position: relative;
  margin-bottom: 10px;
}
.pricing-list li:last-child { margin-bottom: 0; }
.pricing-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 9px;
  border-left: 2px solid #FF2D55;
  border-bottom: 2px solid #FF2D55;
  transform: rotate(-45deg);
}
.pricing-note { font-size: 12px; color: var(--text-tertiary); margin-top: 24px; line-height: 1.5; }

/* === 报价独立页（pricing.html） === */
.pricing-wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }
.pricing-grid-page { margin-top: 8px; }
.pricing-note-center { text-align: center; }

/* 推荐档：年度顾问深色卡 */
.pricing-card.featured {
  background: #1D1D1F;
  border-color: #1D1D1F;
  transform: scale(1.02);
}
.pricing-card.featured:hover { box-shadow: 0 14px 40px rgba(0,0,0,0.25); }
.pricing-card.featured .pricing-name { color: #FF3B5C; }
.pricing-card.featured .pricing-tag { color: rgba(255,255,255,0.55); }
.pricing-card.featured .pricing-currency,
.pricing-card.featured .pricing-price { color: #F5F5F7; }
.pricing-card.featured .pricing-price span { color: rgba(255,255,255,0.55) !important; }
.pricing-card.featured .pricing-unit { color: rgba(255,255,255,0.55); }
.pricing-card.featured .pricing-divider { background: rgba(255,255,255,0.15); }
.pricing-card.featured .pricing-list li { color: rgba(255,255,255,0.92); }

/* 报价页区块 */
.pricing-section { padding: 72px 22px; }
.pricing-section.bg-gray { background: var(--bg-gray); }
.pricing-section-inner { max-width: 980px; margin: 0 auto; }
.pricing-section-title {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
}

/* 套餐对比表 */
.compare-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--bg-white);
  border: 0.5px solid var(--border-light);
  border-radius: 14px;
  overflow: hidden;
  min-width: 640px;
}
.compare-table th, .compare-table td {
  padding: 14px 18px;
  text-align: left;
  line-height: 1.5;
  border-bottom: 0.5px solid var(--border-light);
}
.compare-table thead th {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-gray);
}
.compare-table thead th:last-child { color: #B50027; }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td { color: var(--text-secondary); }
.compare-first-col { color: var(--text-primary) !important; font-weight: 500; width: 120px; }

/* 服务流程 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.process-step {
  background: var(--bg-white);
  border: 0.5px solid var(--border-light);
  border-radius: 16px;
  padding: 24px 20px;
}
.process-num {
  font-size: 13px;
  font-weight: 600;
  color: #FF2D55;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.process-name { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.process-step p { font-size: 13px; line-height: 1.6; color: var(--text-secondary); margin: 0; }

/* 常见问题 */
.faq-list { max-width: 760px; }
.faq-item {
  border-bottom: 0.5px solid var(--border-light);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-size: 17px;
  font-weight: 500;
  color: var(--text-primary);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--text-tertiary);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 20px;
}

/* 页脚备案 */
.footer-icp { margin-top: 6px; }
.footer-icp a { color: var(--text-tertiary); text-decoration: none; }
.footer-icp a:hover { color: var(--text-secondary); text-decoration: underline; }

/* === 关于我页 · 合作方式简列（详细报价在 pricing.html） === */
.cooperate-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 32px 0 28px;
}
.cooperate-item {
  background: var(--bg-white);
  border: 0.5px solid var(--border-light);
  border-radius: 14px;
  padding: 20px;
}
.cooperate-name { font-size: 17px; font-weight: 600; color: #B50027; margin-bottom: 6px; }
.cooperate-item p { font-size: 13px; line-height: 1.6; color: var(--text-secondary); margin: 0; }
.cooperate-link {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 17px;
  font-weight: 500;
  color: #B50027;
  text-decoration: none;
}
.cooperate-link:hover { text-decoration: underline; }
.cooperate-arrow { font-size: 20px; line-height: 1; transition: transform 0.2s; }
.cooperate-link:hover .cooperate-arrow { transform: translateX(3px); }

/* === 左右分栏 — 详情页 / 服务案例（Apple 保修页风格） === */
.split-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 22px 80px;
  align-items: start;
}
.split-layout.with-divider { border-top: 1px solid var(--border-light); }

/* 左侧目录 */
.toc {
  position: sticky;
  top: calc(var(--nav-height) + 32px);
  padding: 40px 24px 40px 0;
  border-right: 1px solid var(--border-light);
  align-self: start;
}
.toc-group { margin-bottom: 28px; }
.toc-group:last-child { margin-bottom: 0; }
.toc-group-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.toc-item {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  margin: 0 -12px 0 -12px;
  transition: color 0.2s, background 0.2s;
}
.toc-item:hover { color: var(--text-primary); }
.toc-item.active { color: #06C; background: rgba(0, 113, 227, 0.08); }

/* 右侧文档正文 */
.doc-body {
  max-width: 680px;
  padding: 48px 0 0 56px;
}
.doc-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.doc-meta .tag { font-size: 12px; }
.doc-meta .doc-date { font-size: 13px; color: var(--text-tertiary); }
.doc-body h1 {
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.12;
  margin-bottom: 12px;
}
.doc-lead { font-size: 19px; color: var(--text-secondary); line-height: 1.5; margin-bottom: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--border-light); }
.doc-body h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 44px 0 14px;
  scroll-margin-top: calc(var(--nav-height) + 24px);
}
.doc-body h3 { font-size: 21px; font-weight: 500; margin: 28px 0 10px; }
.doc-body p { font-size: 17px; line-height: 1.6; color: var(--text-primary); margin-bottom: 16px; }
.doc-body p.doc-muted { color: var(--text-secondary); }
.doc-body ul, .doc-body ol { margin: 0 0 16px 22px; }
.doc-body li { font-size: 17px; line-height: 1.6; margin-bottom: 8px; }
.doc-body blockquote {
  border-left: 3px solid var(--border);
  padding: 4px 0 4px 20px;
  margin: 0 0 20px;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.6;
}
.doc-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 20px;
  font-size: 15px;
}
.doc-body th {
  text-align: left;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.doc-body td { padding: 10px 12px; border-bottom: 1px solid var(--border-light); }
.doc-prompt {
  background: var(--bg-gray);
  border-radius: 12px;
  padding: 18px 20px;
  font-family: "SF Mono", "Menlo", monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-primary);
  margin: 0 0 20px;
  white-space: pre-wrap;
}
.doc-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-light);
}
.doc-nav a {
  display: flex;
  flex-direction: column;
  padding: 16px 20px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, background 0.2s;
}
.doc-nav a:hover { border-color: var(--border); background: var(--bg-gray-light); }
.doc-nav-label { font-size: 12px; color: var(--text-tertiary); margin-bottom: 4px; }
.doc-nav-title { font-size: 15px; font-weight: 500; }
.doc-nav a.next { text-align: right; }

/* === 服务案例 — 左右分栏切换 === */
.case-nav { padding: 40px 24px 40px 0; position: sticky; top: calc(var(--nav-height) + 32px); align-self: start; }
.case-nav-group { margin-bottom: 28px; }
.case-nav-group-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.case-nav-item {
  display: block;
  width: 100%;
  text-align: left;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 12px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.case-nav-item:hover { color: var(--text-primary); }
.case-nav-item.active { color: #06C; background: rgba(0, 113, 227, 0.08); }
.case-disclaimer {
  font-size: 12px;
  color: var(--text-tertiary);
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  line-height: 1.5;
}
.case-docs { padding: 48px 0 0 56px; }
.case-doc { display: none; }
.case-doc.active { display: block; }
.case-doc .doc-body { padding: 0; }
.case-result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 20px;
}
.case-result-item {
  background: var(--bg-gray);
  border-radius: 12px;
  padding: 18px 16px;
  text-align: center;
}
.case-result-num { font-size: 28px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-primary); margin-bottom: 4px; }
.case-result-label { font-size: 12px; color: var(--text-secondary); line-height: 1.4; }

/* === 叙事式关于我（job-creation 风格） === */
.narrative-hero {
  padding: 140px 22px 56px;
  text-align: center;
}
.narrative-hero h1 {
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.15;
}
.narrative-hero p {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 16px auto 0;
  line-height: 1.5;
}
.narrative-section {
  padding: 64px 22px;
  border-top: 1px solid var(--border-light);
}
.narrative-section.bg-gray { background: var(--bg-gray); }
.narrative-section-inner { max-width: 680px; margin: 0 auto; }
.narrative-title {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.18;
  margin-bottom: 20px;
}
.narrative-section p { font-size: 17px; line-height: 1.65; color: var(--text-secondary); margin-bottom: 16px; }
.narrative-section p strong { color: var(--text-primary); font-weight: 500; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.stat-item { padding: 8px 0; }
.stat-num {
  font-size: 52px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: var(--text-secondary); line-height: 1.4; }

/* 摄影小节（关于页内） */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.photo-strip-item {
  aspect-ratio: 3/2;
  border-radius: 12px;
  background: linear-gradient(135deg, #E8E8ED 0%, #D2D2D7 100%);
}
.photo-strip-caption { font-size: 13px; color: var(--text-tertiary); margin-top: 12px; }

/* 联系 CTA */
.cta-box {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-box .narrative-title { margin-bottom: 12px; }
.cta-box p { margin-bottom: 28px; }
.cta-links { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.2s;
}
.cta-btn.primary { background: #0071E3; color: white; }
.cta-btn.primary:hover { background: #0062C4; }
.cta-btn.ghost { border: 1px solid var(--border); color: var(--text-primary); }
.cta-btn.ghost:hover { border-color: var(--text-primary); }

/* === Tool Grid（财务工具页） === */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.tool-card {
  border: 1px solid var(--border-light);
  border-radius: 18px;
  background: var(--bg-white);
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}
.tool-name { font-size: 18px; font-weight: 500; margin-bottom: 6px; }
.tool-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 18px; }
.tool-foot { display: flex; align-items: center; justify-content: space-between; }
.tool-cat {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 4px;
  background: var(--bg-gray);
  color: var(--text-secondary);
}
.tool-price { font-size: 12px; color: var(--text-tertiary); }

/* === 首页财务工具模块 === */
.home-tool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.home-tool-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 18px;
  padding: 24px 20px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.home-tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}
.home-tool-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.home-tool-name { font-size: 16px; font-weight: 500; margin-bottom: 4px; }
.home-tool-desc { font-size: 13px; color: var(--text-secondary); }

/* === Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* === Responsive === */
@media (max-width: 768px) {
  .hero h1 { font-size: 36px; }
  .hero-sub { font-size: 17px; }
  .hero-eyebrow { font-size: 11px; }
  .tile-grid { grid-template-columns: 1fr; }
  .tile { border-right: none !important; border-bottom: 1px solid var(--border-light); min-height: 240px; padding: 40px 24px; }
  .tile h2 { font-size: 26px; }
  .page-header h1 { font-size: 36px; }
  .page-header { padding-top: 100px; }
  .case-grid { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; gap: 32px; }
  .nav-links { gap: 16px; }
  .nav-link { font-size: 12px; }
  .nav-brand { font-size: 15px; }
  .photo-notes { max-width: 100%; }
  .tutorial-meta { padding-left: 8px; }
  .tutorial-time { display: none; }

  /* Newsroom 主页 */
  .news-header { padding-top: 100px; }
  .news-header h1 { font-size: 36px; }
  .news-feature-cover { height: 220px; }
  .news-feature-info { padding: 24px 22px 28px; }
  .news-feature-title { font-size: 26px; }
  .news-grid { grid-template-columns: 1fr; }

  /* 首页三模块 */
  .home-section { padding-top: 48px; }
  .home-section-header { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 22px; }
  .home-section-title { font-size: 26px; }
  .ai-feature-row { grid-template-columns: 1fr; }
  .ai-feature-cover { height: 180px; }
  .know-row { grid-template-columns: 1fr; gap: 0; }
  .story-grid { grid-template-columns: 1fr; }
  .story-card { height: 200px; }

  /* 财务工具 */
  .tool-grid { grid-template-columns: 1fr; }
  .home-tool-grid { grid-template-columns: 1fr 1fr; }

  /* 案例横向大卡 */
  .case-wide { padding: 24px 22px; }
  .case-wide-head { flex-direction: column; gap: 16px; }
  .case-wide-icon { width: 64px; height: 64px; }
  .case-wide-icon svg { width: 30px; height: 30px; }
  .case-wide-title { font-size: 22px; }
  .case-wide-metrics { grid-template-columns: 1fr; gap: 10px; margin-top: 20px; padding-top: 18px; }
  .case-wide-metric { padding: 14px 16px; }

  /* 服务报价 */
  .pricing-grid { grid-template-columns: 1fr; gap: 12px; }
  .pricing-price { font-size: 38px; }

  /* 报价独立页 */
  .pricing-card.featured { transform: none; }
  .pricing-section { padding: 52px 22px; }
  .pricing-section-title { font-size: 26px; }
  .process-grid { grid-template-columns: 1fr; gap: 12px; }
  .compare-table { font-size: 13px; }
  .compare-table th, .compare-table td { padding: 11px 14px; }
  .faq-item summary { font-size: 16px; }
  .cooperate-row { grid-template-columns: 1fr; gap: 10px; }

  /* 左右分栏 → 单列，目录变顶部水平滚动条 */
  .split-layout { grid-template-columns: 1fr; padding-bottom: 60px; }
  .toc, .case-nav {
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding: 20px 0;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .toc-group, .case-nav-group { display: flex; gap: 8px; margin-bottom: 0; }
  .toc-group-title, .case-nav-group-title { display: none; }
  .toc-item, .case-nav-item { white-space: nowrap; padding: 6px 14px; flex-shrink: 0; }
  .case-disclaimer { display: none; }
  .doc-body, .case-docs { padding: 32px 0 0; }
  .doc-body h1 { font-size: 32px; }
  .doc-body h2 { font-size: 24px; margin-top: 36px; }
  .doc-nav { grid-template-columns: 1fr; }
  .case-result-grid { grid-template-columns: 1fr; }

  /* 叙事式关于 */
  .narrative-hero { padding-top: 110px; }
  .narrative-hero h1 { font-size: 34px; }
  .narrative-title { font-size: 27px; }
  .stats-row { grid-template-columns: 1fr; gap: 32px; }
  .stat-num { font-size: 44px; }
  .photo-strip { grid-template-columns: 1fr; }
}