/* ============ 主题变量 ============ */
:root {
  --bg: #faf7f2;
  --card: #ffffff;
  --card-soft: #fdf9f4;
  --text: #2b2622;
  --text-soft: #6b6259;
  --accent: #e8590c;
  --accent-soft: #fff0e6;
  --border: #eee5da;
  --shadow: 0 2px 12px rgba(43, 38, 34, 0.05);
  --shadow-hover: 0 6px 24px rgba(43, 38, 34, 0.10);

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #1c1917;
  --card: #262220;
  --card-soft: #2d2825;
  --text: #f0e9e1;
  --text-soft: #a89e93;
  --accent: #ff8c42;
  --accent-soft: #3a2c20;
  --border: #3a342f;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.40);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1c1917;
    --card: #262220;
    --card-soft: #2d2825;
    --text: #f0e9e1;
    --text-soft: #a89e93;
    --accent: #ff8c42;
    --accent-soft: #3a2c20;
    --border: #3a342f;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
    --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.40);
  }
}

/* ============ 基础 ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 20px 8px;
}

/* ============ 卡片通用 ============ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 26px;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--accent);
  flex: none;
}

/* ============ 顶部横幅 ============ */
.banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding: 28px 32px;
}

.banner h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.banner p {
  color: var(--text-soft);
  margin-top: 6px;
  font-size: 0.95rem;
}

.theme-toggle {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card-soft);
  cursor: pointer;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease;
}

.theme-toggle:hover { transform: scale(1.08); }

.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: block; }
}

/* ============ 主网格 ============ */
.grid {
  display: grid;
  grid-template-columns: minmax(300px, 350px) minmax(0, 1fr) minmax(320px, 390px);
  gap: 20px;
  align-items: start;
}

.right-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ============ 个人卡片 ============ */
.profile { text-align: left; }

.avatar {
  width: 128px;
  height: 128px;
  border-radius: 32px;
  border: 3px solid var(--accent-soft);
  box-shadow: var(--shadow);
}

.name {
  margin-top: 18px;
  font-size: 1.7rem;
  font-weight: 800;
}

.name-en {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-soft);
  margin-left: 6px;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.pill {
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}

.bio {
  list-style: none;
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.bio li::before {
  content: "◆";
  color: var(--accent);
  font-size: 0.6rem;
  margin-right: 8px;
  vertical-align: 2px;
}

.motto {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  background: var(--card-soft);
  border-radius: 0 12px 12px 0;
  font-size: 0.9rem;
  color: var(--text);
  font-style: normal;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 20px;
}

.stat {
  background: var(--card-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
}

.stat strong {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--accent);
}

.stat span {
  font-size: 0.78rem;
  color: var(--text-soft);
}

.stats-note {
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--text-soft);
  text-align: right;
  opacity: 0.75;
}

.btn-github {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px;
  border-radius: 14px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-github:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* ============ 时间线 ============ */
.timeline {
  list-style: none;
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}

.timeline li {
  position: relative;
  padding-bottom: 24px;
}

.timeline li:last-child { padding-bottom: 4px; }

.timeline li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--card);
  box-shadow: 0 0 0 1px var(--border);
}

.tl-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tl-year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--accent);
}

.tl-tag {
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.timeline h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-top: 6px;
}

.timeline p {
  font-size: 0.9rem;
  color: var(--text-soft);
  margin-top: 4px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--border);
}

.tags span {
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-soft);
  background: var(--card-soft);
}

/* ============ 开源 & 项目列表 ============ */
.oss-list, .proj-list { list-style: none; }

.oss-list li + li, .proj-list li + li {
  border-top: 1px dashed var(--border);
}

.oss-list a, .proj-list a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 10px;
  border-radius: 12px;
  transition: background 0.2s ease;
}

.oss-list a:hover, .proj-list a:hover {
  background: var(--accent-soft);
}

.oss-name, .proj-name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

.oss-name::after, .proj-name::after {
  content: "↗";
  color: var(--accent);
  font-size: 0.8rem;
  margin-left: 6px;
}

.oss-meta {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
}

.proj-desc {
  font-size: 0.85rem;
  color: var(--text-soft);
}

.more-link {
  display: block;
  margin-top: 12px;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  padding: 10px;
  border-radius: 12px;
  border: 1px dashed var(--accent);
  transition: background 0.2s ease;
}

.more-link:hover { background: var(--accent-soft); }

/* ============ 公众号导流条（全宽） ============ */
.mp {
  grid-column: 1 / -1;
  background: linear-gradient(145deg, var(--card) 0%, var(--accent-soft) 130%);
}

.mp-flow {
  display: flex;
  gap: 26px;
  align-items: center;
}

.qrcode {
  width: 140px;
  height: 140px;
  flex: none;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 4px;
}

.mp-info { flex: 1; }

.mp-slogan {
  font-size: 0.95rem;
  font-weight: 600;
}

.mp-sections {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.9;
}

.mp-picks {
  list-style: none;
  flex: 1.15;
  border-left: 1px dashed var(--border);
  padding-left: 26px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.mp-picks li {
  font-size: 0.86rem;
  color: var(--text-soft);
}

.mp-picks li::before {
  content: "✦";
  color: var(--accent);
  margin-right: 7px;
  font-size: 0.75rem;
}

/* ============ 页脚 ============ */
.footer {
  text-align: center;
  padding: 26px 10px 20px;
  font-size: 0.82rem;
  color: var(--text-soft);
}

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .grid {
    grid-template-columns: minmax(280px, 330px) minmax(0, 1fr);
  }
  .right-col {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (max-width: 680px) {
  .page { padding: 12px 12px 4px; }

  .grid { grid-template-columns: 1fr; gap: 14px; }

  /* 手机端把公众号卡提到"我是谁"讲完的位置，别沉底 */
  .profile { order: 1; }
  .journey { order: 2; }
  .mp { order: 3; }
  .right-col { order: 4; }

  .right-col {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .banner {
    flex-direction: row;
    padding: 22px;
    margin-bottom: 14px;
  }

  .banner h1 { font-size: 1.25rem; }
  .banner p { font-size: 0.85rem; }

  .card { padding: 20px; border-radius: 16px; }

  .avatar { width: 104px; height: 104px; border-radius: 26px; }

  .mp-flow { flex-direction: column; align-items: flex-start; }
  .qrcode { width: 148px; height: 148px; }
  .mp-picks {
    border-left: none;
    padding-left: 0;
    border-top: 1px dashed var(--border);
    padding-top: 14px;
    width: 100%;
  }
}