/* ============================================================
   wangdafeng — 站点样式
   设计基调：编辑式排版、细线分隔、克制的动效
   板块配色：关于 / 首页 = 中性暖；商机 = 暖调商务；洞察 = 科技蓝
   ============================================================ */

:root {
  --paper: #fbfaf7;
  --paper-2: #f5f3ed;
  --paper-3: #eeece4;
  --ink: #171613;
  --ink-2: #4b4740;
  --ink-3: #837e73;
  --line: #e5e1d8;
  --line-2: #d5d0c3;

  --warm: #ab6237;
  --warm-deep: #84461f;
  --warm-soft: #f4e8dc;
  --tech: #2c5aa8;
  --tech-deep: #1c3d78;
  --tech-soft: #e5edf8;

  --accent: var(--warm);
  --accent-deep: var(--warm-deep);
  --accent-soft: var(--warm-soft);

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "PingFang SC",
    "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shell: 1200px;
  --radius: 4px;
}

[data-section="insights"] {
  --accent: var(--tech);
  --accent-deep: var(--tech-deep);
  --accent-soft: var(--tech-soft);
}
[data-section="deals"] {
  --accent: var(--warm);
  --accent-deep: var(--warm-deep);
  --accent-soft: var(--warm-soft);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

/* ── 布局 ───────────────────────────────────────────── */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 56px);
}

.section { padding-block: clamp(64px, 8vw, 120px); }
.section-tight { padding-block: clamp(28px, 4vw, 48px); }
.section-soft { background: var(--paper-2); }

/* ── 阅读进度 ───────────────────────────────────────── */
.progress {
  position: fixed;
  inset: 0 auto auto 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  z-index: 60;
  transition: width 0.1s linear;
}

/* ── 顶部导航 ───────────────────────────────────────── */
.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 84%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .site-head { background: rgba(251, 250, 247, 0.9); }
}

.head-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 66px;
}

.wordmark { display: inline-flex; align-items: center; gap: 10px; }
.wordmark .mark {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  position: relative;
  flex: none;
}
.wordmark .mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 0.4s var(--ease);
}
.wordmark:hover .mark::after { transform: scale(1.35); }
.wordmark .word {
  font-family: var(--mono);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--ink-2);
  position: relative;
  transition: color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav-link i {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  transition: color 0.3s var(--ease);
}
.nav-link:hover { color: var(--ink); background: var(--paper-2); }
.nav-link:hover i,
.nav-link.is-active i { color: var(--accent); }
.nav-link.is-active { color: var(--ink); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 1px;
  background: var(--accent);
}

.head-actions { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.icon-link {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-2);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.icon-link:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }

/* ── 按钮 ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease),
    border-color 0.3s var(--ease), transform 0.25s var(--ease);
}
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--accent); transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.btn svg { flex: none; }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  white-space: nowrap;
}
.link-more svg { transition: transform 0.35s var(--ease); }
.link-more:hover svg { transform: translateX(4px); }

/* ── 排版基元 ───────────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.display {
  font-size: clamp(2.25rem, 5.4vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0 0 24px;
  text-wrap: balance;
}
.display-post { font-size: clamp(1.9rem, 3.8vw, 2.9rem); line-height: 1.18; }

.lead {
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 54ch;
  margin: 0 0 28px;
}
.lead-wide { max-width: 62ch; }
.lead strong { color: var(--ink); font-weight: 600; }

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 24px 48px;
  align-items: start;
  padding-top: 26px;
  border-top: 1px solid var(--line-2);
  margin-bottom: clamp(32px, 4vw, 52px);
}
.sec-head-left { display: flex; gap: 18px; align-items: baseline; }
.sec-index {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 6px;
}
.sec-en {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.sec-title {
  font-size: clamp(1.375rem, 2.4vw, 1.9rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 600;
  margin: 0;
}
.sec-desc { color: var(--ink-2); margin: 0; max-width: 52ch; font-size: 0.9375rem; }
.sec-aside { display: flex; align-items: flex-end; justify-content: flex-end; }

/* ── Hero（首页）───────────────────────────────────── */
.hero { padding-block: clamp(56px, 8vw, 104px) clamp(48px, 6vw, 88px); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }

.hero-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px 28px;
  margin: 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-facts dt {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.hero-facts dd { margin: 0; font-size: 0.9375rem; color: var(--ink); }

.frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 3 / 2;
}
.frame img { width: 100%; height: 100%; object-fit: cover; }
.frame-portrait { aspect-ratio: 1 / 1; }
.frame-note {
  display: block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}
.hero-media { position: relative; }

/* ── 板块索引卡 ─────────────────────────────────────── */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.pillar {
  display: block;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 22px;
  background: var(--paper);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.pillar::before {
  content: "";
  position: absolute;
  left: 26px;
  right: 26px;
  top: -1px;
  height: 2px;
  background: var(--ring, var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.pillar[data-tone="warm"] { --ring: var(--warm); }
.pillar[data-tone="tech"] { --ring: var(--tech); }
.pillar[data-tone="neutral"] { --ring: var(--ink); }
.pillar:hover {
  border-color: var(--line-2);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -32px rgba(23, 22, 19, 0.42);
}
.pillar:hover::before { transform: scaleX(1); }

.pillar-top { display: flex; align-items: baseline; gap: 12px; margin-bottom: 26px; }
.pillar-index {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ring, var(--accent));
}
.pillar-en {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.pillar-title { font-size: 1.25rem; margin: 0 0 8px; font-weight: 600; letter-spacing: -0.01em; }
.pillar-line { margin: 0 0 4px; color: var(--ink-2); font-size: 0.9375rem; }
.pillar-detail {
  margin: 0;
  color: var(--ink-3);
  font-size: 0.875rem;
  line-height: 1.65;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease), opacity 0.4s var(--ease), margin 0.4s var(--ease);
}
.pillar:hover .pillar-detail { max-height: 8em; opacity: 1; margin-top: 10px; }
.pillar-go {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ring, var(--accent));
}
.pillar-go svg { transition: transform 0.4s var(--ease); }
.pillar:hover .pillar-go svg { transform: translateX(5px); }
@media (hover: none) {
  .pillar-detail { max-height: none; opacity: 1; margin-top: 10px; }
}

/* ── 文章列表 ───────────────────────────────────────── */
.post-list { border-top: 1px solid var(--line); }
.post-row { border-bottom: 1px solid var(--line); }
.post-row-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 30px 4px;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease);
}
.post-row-link:hover { background: var(--paper-2); padding-inline: 18px; }
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.post-meta .sep { width: 14px; height: 1px; background: var(--line-2); }
.post-title {
  font-size: clamp(1.125rem, 1.7vw, 1.375rem);
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  transition: color 0.3s var(--ease);
}
.post-row-link:hover .post-title { color: var(--accent); }
.post-excerpt {
  margin: 0 0 14px;
  color: var(--ink-2);
  font-size: 0.9375rem;
  max-width: 62ch;
}
.row-arrow {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-3);
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.post-row-link:hover .row-arrow {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateX(4px);
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
a.tag:hover { color: var(--accent); border-color: var(--accent); }
.tags-lg { margin-top: 22px; }

.list-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-3);
  padding-bottom: 14px;
}

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--ink-2);
  transition: all 0.3s var(--ease);
}
.chip i { font-family: var(--mono); font-style: normal; font-size: 0.6875rem; color: var(--ink-3); }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.is-on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip.is-on i { color: rgba(251, 250, 247, 0.6); }

/* ── 商机看板 ───────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.filter-tab {
  padding: 8px 18px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: none;
  font-size: 0.875rem;
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.filter-tab i { font-family: var(--mono); font-style: normal; font-size: 0.6875rem; opacity: 0.6; }
.filter-tab:hover { border-color: var(--accent); color: var(--accent); }
.filter-tab.is-active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.deal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 20px;
}
.deal-grid-home { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.deal-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--paper);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.deal-card:hover {
  border-color: var(--line-2);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -34px rgba(23, 22, 19, 0.45);
}
.deal-card.is-hidden { display: none; }
.deal-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.deal-code {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.deal-status {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 3px;
  background: var(--paper-3);
  color: var(--ink-3);
}
.s-open, .s-开放 { background: var(--accent-soft); color: var(--accent-deep); }
.s-active, .s-进行中 { background: var(--accent-soft); color: var(--accent-deep); }
.s-urgent, .s-紧急 { background: #f7e2d5; color: #8c3c14; }
.s-paused, .s-暂停 { background: var(--paper-3); color: var(--ink-3); }
.deal-title { font-size: 1.125rem; font-weight: 600; margin: 0 0 10px; letter-spacing: -0.01em; }
.deal-summary { margin: 0 0 18px; color: var(--ink-2); font-size: 0.9375rem; }
.deal-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 0 0 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.deal-facts .fact { margin: 0; }
.deal-facts dt {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 3px;
}
.deal-facts dd { margin: 0; font-size: 0.875rem; }
.deal-card .tags { margin-top: auto; padding-top: 6px; }
.deal-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 20px;
  padding: 9px 16px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease);
}
.deal-cta:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-deep);
}
.deal-cta svg { transition: transform 0.4s var(--ease); }
.deal-cta:hover svg { transform: translateX(4px); }
/* 无 JS 时的邮件兜底链接 */
.deal-cta-fallback { text-decoration: underline; text-underline-offset: 3px; }

.empty-state {
  text-align: center;
  padding: 56px 20px;
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
  color: var(--ink-3);
}
.empty-state p { margin: 0 0 18px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.step { border-top: 1px solid var(--line-2); padding-top: 20px; }
.step-n { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.12em; color: var(--accent); }
.step h3 { font-size: 1.0625rem; margin: 12px 0 8px; font-weight: 600; }
.step p { margin: 0; color: var(--ink-2); font-size: 0.9375rem; }

.note-card {
  margin-top: 40px;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--paper);
}
.note-card h4 { margin: 0 0 12px; font-size: 0.9375rem; font-weight: 600; }
.note-card ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 0.9375rem; }
.note-card li + li { margin-top: 6px; }

/* ── 页面 Hero（内页）─────────────────────────────── */
.page-hero { padding-block: clamp(52px, 7vw, 96px) clamp(40px, 5vw, 72px); }
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.page-hero .lead { max-width: 58ch; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(28px, 5vw, 64px);
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.stat b {
  display: block;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat span { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.06em; color: var(--ink-3); }
.page-hero-warm { background: linear-gradient(180deg, var(--warm-soft) 0%, var(--paper) 100%); }
.page-hero-tech { background: linear-gradient(180deg, var(--tech-soft) 0%, var(--paper) 100%); }

.lead-prose p { margin: 0 0 16px; font-size: clamp(1rem, 1.3vw, 1.0625rem); line-height: 1.85; color: var(--ink-2); max-width: 56ch; }
.lead-prose p:last-child { margin-bottom: 28px; }

/* ── 关于页 ─────────────────────────────────────────── */
.fact-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px 32px;
  margin: 0;
  padding: 28px 0;
  border-block: 1px solid var(--line);
}
.fact-bar dt {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.fact-bar dd { margin: 0; font-size: 0.9375rem; }

.cap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.cap-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--paper);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.cap-card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.cap-title { font-size: 1.0625rem; margin: 0 0 10px; font-weight: 600; }
.cap-desc { margin: 0 0 18px; color: var(--ink-2); font-size: 0.9375rem; }
.cap-items { list-style: none; margin: 0; padding: 0; }
.cap-items li {
  position: relative;
  padding-left: 18px;
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.7;
}
.cap-items li + li { margin-top: 6px; }
.cap-items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 1px;
  background: var(--accent);
}

.timeline { list-style: none; margin: 0; padding: 0; }
.tl-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.tl-item:last-child { border-bottom: 1px solid var(--line); }
.tl-period { font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.04em; color: var(--accent); }
.tl-role { font-size: 1.0625rem; margin: 0 0 4px; font-weight: 600; }
.tl-org { font-size: 0.875rem; color: var(--ink-3); margin-bottom: 10px; }
.tl-summary { margin: 0; color: var(--ink-2); font-size: 0.9375rem; max-width: 62ch; }

.pr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.pr-card { display: flex; gap: 18px; padding-top: 22px; border-top: 1px solid var(--line-2); }
.pr-n { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.1em; color: var(--accent); }
.pr-card h3 { margin: 0 0 8px; font-size: 1rem; font-weight: 600; }
.pr-card p { margin: 0; color: var(--ink-2); font-size: 0.9375rem; }

.link-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.link-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.link-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.link-card-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 4px;
}
.link-card-url {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.link-card-go { color: var(--ink-3); transition: transform 0.4s var(--ease), color 0.4s var(--ease); }
.link-card:hover .link-card-go { color: var(--accent); transform: translateX(4px); }

.stack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px; }
.stack-group h4 {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.stack-group ul { list-style: none; margin: 0; padding: 0; }
.stack-group li { font-size: 0.9375rem; padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--ink-2); }

/* ── 文章详情 ───────────────────────────────────────── */
.post { padding-bottom: clamp(48px, 6vw, 88px); }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 28px 0 40px;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ink-3);
  transition: color 0.3s var(--ease), gap 0.3s var(--ease);
}
.back-link:hover { color: var(--accent); gap: 12px; }

.post-head { padding-bottom: 36px; }
.post-head .display { max-width: 24ch; }
.post-meta-lg { font-size: 0.8125rem; }
.post-cover {
  margin: 0 0 clamp(36px, 4vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3 / 1.6;
}
.post-cover img { width: 100%; height: 100%; object-fit: cover; }

.post-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.prose { max-width: 68ch; font-size: 1.0625rem; line-height: 1.85; color: var(--ink); }
.prose p { margin: 0 0 22px; }
.prose h2 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 48px 0 18px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.prose h3 { font-size: 1.125rem; font-weight: 600; margin: 34px 0 14px; }
.prose h4 { font-size: 1rem; font-weight: 600; margin: 28px 0 12px; }
.prose ul, .prose ol { margin: 0 0 24px; padding-left: 1.3em; }
.prose li { margin-bottom: 10px; }
.prose li::marker { color: var(--accent); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.prose a:hover { color: var(--accent-deep); }
.prose blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 24px;
  border-left: 2px solid var(--accent);
  color: var(--ink-2);
  font-size: 1rem;
}
.prose hr { margin: 40px 0; border: none; border-top: 1px solid var(--line); }
.prose code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--paper-3);
  padding: 2px 6px;
  border-radius: 3px;
}
.md-code {
  margin: 28px 0;
  padding: 20px 22px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.7;
}
.md-code code { background: none; padding: 0; font-size: inherit; }
.md-table { margin: 28px 0; overflow-x: auto; }
.md-table table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.md-table th, .md-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; }
.md-table th { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.prose img { border-radius: var(--radius); margin: 28px 0; }

.post-side { position: sticky; top: 96px; display: grid; gap: 20px; }
.side-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--paper-2);
}
.side-card h4 {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.side-card p { margin: 0 0 14px; font-size: 0.875rem; color: var(--ink-2); }

.pn-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: clamp(48px, 6vw, 80px); }
.pn-card {
  display: block;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.pn-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.pn-label { display: block; font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px; }
.pn-title { font-size: 1rem; font-weight: 600; line-height: 1.5; }

/* ── 分页 ───────────────────────────────────────────── */
.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.pager-side, .pager-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding-inline: 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ink-2);
  transition: all 0.3s var(--ease);
}
.pager-side:hover, .pager-num:hover { border-color: var(--accent); color: var(--accent); }
.pager-num.is-current { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.pager-side.is-disabled { opacity: 0.4; pointer-events: none; border-color: var(--line); }
.pager-nums { display: flex; gap: 8px; }

/* ── CTA ────────────────────────────────────────────── */
.cta-band { background: var(--paper-3); padding-block: clamp(48px, 6vw, 88px); }
.cta-warm { background: var(--warm-soft); }
.cta-tech { background: var(--tech-soft); }
.cta-inline { background: var(--paper-2); border-radius: var(--radius); padding: clamp(28px, 4vw, 44px); }
.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
  gap: 32px;
  align-items: center;
}
.cta-title {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 8px 0 12px;
  max-width: 30ch;
}
.cta-text { margin: 0; color: var(--ink-2); font-size: 0.9375rem; max-width: 48ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.center-note { text-align: center; margin-top: 40px; }

/* ── 页脚 ───────────────────────────────────────────── */
.site-foot {
  background: #14130f;
  color: #d8d4c9;
  padding-block: clamp(48px, 6vw, 80px) 32px;
  margin-top: clamp(48px, 6vw, 88px);
}
.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 0.7fr));
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(216, 212, 201, 0.16);
}
.site-foot .wordmark .mark { border-color: #d8d4c9; }
.site-foot .wordmark .mark::after { background: var(--warm); }
.site-foot .wordmark .word { color: #fbfaf7; font-size: 1rem; }
.foot-line { margin: 18px 0 24px; font-size: 0.9375rem; color: rgba(216, 212, 201, 0.7); max-width: 40ch; }
.foot-social { display: flex; flex-direction: column; gap: 10px; }
.foot-social a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(216, 212, 201, 0.85);
  transition: color 0.3s var(--ease);
}
.foot-social a:hover { color: #fbfaf7; }
.foot-col h4 {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(216, 212, 201, 0.5);
}
.foot-col a {
  display: block;
  padding: 6px 0;
  font-size: 0.9375rem;
  color: rgba(216, 212, 201, 0.85);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
.foot-col a:hover { color: #fbfaf7; transform: translateX(3px); }
.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding-top: 24px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: rgba(216, 212, 201, 0.5);
}
.muted { opacity: 0.8; }

/* ── 对接表单弹窗 ───────────────────────────────────── */
body.no-scroll { overflow: hidden; }

.dm {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(16px, 5vw, 56px) 16px;
  overflow-y: auto;
  background: rgba(23, 22, 19, 0.42);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}
.dm.is-open { opacity: 1; }

.dm__panel {
  width: 100%;
  max-width: 660px;
  margin: auto;
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: 0 28px 70px -24px rgba(23, 22, 19, 0.34);
  transform: translateY(12px) scale(0.99);
  transition: transform 0.32s var(--ease);
}
.dm.is-open .dm__panel { transform: none; }

.dm__head {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 26px 28px 20px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0;
}
.dm__close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  color: var(--ink-3);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.dm__close:hover { color: var(--ink); border-color: var(--line-2); }
.dm__close svg { width: 15px; height: 15px; }
.dm__eyebrow {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.dm__title { margin: 10px 0 0; font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; }
.dm__ref {
  margin-top: 12px;
  padding: 10px 14px;
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.dm__ref-code { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; color: var(--accent-deep); }
.dm__ref-title { font-size: 0.9375rem; color: var(--ink-2); }

.dm__body { padding: 26px 28px 30px; }
.dm__note { margin: 0 0 22px; color: var(--ink-2); font-size: 0.9375rem; }

.dm__success { text-align: center; padding: 18px 4px 8px; }
.dm__success .dm__eyebrow { margin-bottom: 12px; }
.dm__success p { color: var(--ink-2); font-size: 0.9375rem; margin: 0 0 24px; }

/* ── 表单 ───────────────────────────────────────────── */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.field { display: flex; flex-direction: column; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 7px;
}
.req { color: var(--accent); }
.input,
.select,
.textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.input::placeholder,
.textarea::placeholder { color: var(--ink-3); opacity: 0.7; }
.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.textarea { min-height: 118px; resize: vertical; }
.select { appearance: none; -webkit-appearance: none; background-image: none; cursor: pointer; }

.field-error {
  min-height: 15px;
  margin-top: 5px;
  font-size: 0.75rem;
  color: #b3402f;
}
.field.has-error .input,
.field.has-error .select,
.field.has-error .textarea { border-color: #b3402f; }

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 4px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.form-note { font-size: 0.8125rem; color: var(--ink-3); max-width: 320px; }
.form-actions .btn { flex: none; }
.form-actions .btn[disabled] { opacity: 0.55; cursor: progress; }

.form-status {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}
.form-status:not(:empty) {
  padding: 11px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  color: var(--ink-2);
}
.form-status.is-success { border-color: rgba(45, 106, 79, 0.35); background: rgba(45, 106, 79, 0.07); color: #245c44; }
.form-status.is-warn { border-color: rgba(171, 98, 55, 0.4); background: var(--accent-soft); color: var(--accent-deep); }
.form-status.is-error { border-color: rgba(179, 64, 47, 0.35); background: rgba(179, 64, 47, 0.07); color: #a03a2a; }

/* ── 入场动效 ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── 响应式 ─────────────────────────────────────────── */
@media (max-width: 1080px) {
  .post-shell { grid-template-columns: minmax(0, 1fr); }
  .post-side { position: static; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}
@media (max-width: 900px) {
  .head-inner { flex-wrap: wrap; min-height: 60px; padding-block: 10px; }
  .nav { order: 3; width: 100%; margin-left: 0; overflow-x: auto; padding-bottom: 4px; }
  .nav-link { padding: 6px 12px; }
  .head-actions { margin-left: auto; }
  .head-actions .btn { display: none; }
  .hero-grid, .page-hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-media, .page-hero-media { max-width: 520px; order: -1; }
  .sec-head { grid-template-columns: minmax(0, 1fr); }
  .sec-aside { justify-content: flex-start; }
  .cta-inner { grid-template-columns: minmax(0, 1fr); }
  .cta-actions { justify-content: flex-start; }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tl-item { grid-template-columns: minmax(0, 1fr); gap: 8px; }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .display { font-size: clamp(1.875rem, 8vw, 2.5rem); }
  .post-row-link { grid-template-columns: minmax(0, 1fr); }
  .row-arrow { display: none; }
  .deal-facts { grid-template-columns: minmax(0, 1fr); }
  .foot-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .pager { flex-wrap: wrap; justify-content: center; }
  .form { grid-template-columns: minmax(0, 1fr); }
  .dm__head { padding: 22px 20px 16px; }
  .dm__body { padding: 22px 20px 26px; }
  .form-actions { flex-direction: column; align-items: stretch; text-align: left; }
  .form-actions .btn { width: 100%; justify-content: center; }
}