/* ==========================================================================
   曹爽 Soren · 个人站 site.css
   配色沿用《采购对账工具案例分享》的纸感 + 工程感：米白底、深墨字、橙作信号点、青作结构线。
   无外部依赖，无 CDN，纯静态。
   ========================================================================== */

:root {
  --ink: #1b2226;
  --ink-2: #22303a;
  --muted: #6a747a;
  --paper: #f7f4ee;
  --paper-2: #efe9dd;
  --white: #ffffff;
  --line: #dcd8cf;
  --orange: #e8592a;
  --teal: #0d8792;
  --teal-dk: #0a6b74;
  --yellow: #f2c94c;
  --green: #3f7654;
  --red: #b33737;
  --dark: #1c262b;

  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --radius: 10px;
  --radius-pill: 999px;
  --shadow: 0 1px 2px rgba(27, 34, 38, 0.06);
  --nav-h: 64px;
  --wrap: 1080px;
  --prose: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6ecee;
    --ink-2: #d4dde0;
    --muted: #9aa5aa;
    --paper: #161c20;
    --paper-2: #1c252a;
    --white: #202a2f;
    --line: #2d383e;
    --orange: #f2703f;
    --teal: #2aa7b3;
    --teal-dk: #1d8894;
    --dark: #10161a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { line-height: 1.25; margin: 0; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--teal-dk); text-decoration: none; }
a:hover { color: var(--orange); }
img { max-width: 100%; }
strong { font-weight: 600; }

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

/* ---------- 布局骨架 ---------- */

.page-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* 栅格子项默认 min-width:auto，会被 nowrap 的子内容（标签行、长表格）撑破视口。
   统一归零，让 overflow 发生在子容器内部而不是整页。 */
.hero-grid > *,
.card-grid > *,
.case-grid > *,
.case-mini-grid > *,
.offline-grid > *,
.contact-grid > *,
.qr-block > *,
.tl-item > *,
.result-grid > *,
.detail-nav > * { min-width: 0; }

.section {
  padding: clamp(64px, 8vw, 120px) 24px;
  scroll-margin-top: var(--nav-h);
}
.section > .page-wrap { padding: 0; }

.section-head { max-width: var(--prose); margin-bottom: clamp(30px, 4vw, 56px); }
.section-title { font-size: clamp(26px, 3.4vw, 40px); color: var(--ink); letter-spacing: -0.01em; }
.section-sub { margin-top: 12px; color: var(--muted); font-size: clamp(15px, 1.35vw, 17px); }

.kicker {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 10px;
}
.evidence {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.stance {
  margin-top: 14px;
  padding: 12px 16px;
  border-left: 3px solid var(--teal);
  background: var(--paper-2);
  border-radius: 0 6px 6px 0;
  font-size: 14.5px;
  color: var(--ink-2);
}
.stance strong { color: var(--ink); }

/* ---------- 顶栏 ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--nav-h);
  background: rgba(28, 38, 43, 0.88);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-nav-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav-brand {
  font-weight: 700;
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-brand span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-left: 8px;
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  padding: 7px 11px;
  border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-links a.is-current { color: var(--orange); background: rgba(255, 255, 255, 0.06); }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  background: #fff;
  transform: translateX(-50%);
  border-radius: 2px;
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: var(--dark);
  padding: 28px 24px 40px;
  display: none;
  flex-direction: column;
  overflow-y: auto;
}
.nav-drawer.is-open { display: flex; }
.nav-drawer a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.nav-drawer a.is-current { color: var(--orange); }
.nav-drawer-close {
  align-self: flex-end;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
  margin-bottom: 16px;
}
body.nav-locked { overflow: hidden; }

/* ---------- Hero ---------- */

.hero {
  background: var(--dark);
  color: #fff;
  padding: clamp(52px, 7vw, 104px) 0 0;
  scroll-margin-top: var(--nav-h);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.hero-grid {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
}
.eyebrow-bar {
  display: inline-block;
  width: 26px;
  height: 3px;
  background: var(--orange);
  border-radius: 2px;
}
.hero-title {
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 18px 0 0;
}
.hero-sub {
  margin-top: 20px;
  max-width: 30em;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(15px, 1.45vw, 17.5px);
}
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.chip {
  font-family: inherit;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.16s ease;
}
.chip:hover { border-color: rgba(255, 255, 255, 0.5); color: #fff; }
.chip.is-active {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
  font-weight: 600;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.cta-primary { background: var(--orange); color: #fff; }
.cta-primary:hover { background: #cf4a20; color: #fff; transform: translateY(-1px); }
.cta-ghost { border-color: rgba(255, 255, 255, 0.3); color: rgba(255, 255, 255, 0.9); }
.cta-ghost:hover { border-color: #fff; color: #fff; transform: translateY(-1px); }

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 26px;
  margin-top: clamp(30px, 4vw, 44px);
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.metric-num {
  font-family: var(--mono);
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  letter-spacing: -0.02em;
}
.metric-label { margin-top: 8px; font-size: 12.5px; color: rgba(255, 255, 255, 0.55); line-height: 1.5; }

.status-panel {
  background: #222d33;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 22px;
}
@media (prefers-color-scheme: dark) {
  .status-panel { background: #1a2328; }
}
.status-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}
.status-current-company { font-size: 18px; font-weight: 700; margin-top: 10px; color: #fff; }
.status-current-role { font-size: 13.5px; color: rgba(255, 255, 255, 0.6); margin-top: 4px; }
.status-divider { height: 1px; background: rgba(255, 255, 255, 0.12); margin: 18px 0 4px; }
.status-list { list-style: none; margin: 0; padding: 0; }
.status-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 11px 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
}
.status-list li:first-child { border-top: 0; }
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  margin-top: 8px;
  flex: none;
}
.status-hint {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.4);
}

.marquee {
  margin-top: clamp(40px, 5vw, 68px);
  background: #0f1518;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  overflow: hidden;
  padding: 13px 0;
}
@media (prefers-color-scheme: dark) {
  .marquee { background: #0b1013; }
}
.marquee-track {
  display: inline-flex;
  gap: 30px;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.62);
  animation: marquee-scroll 40s linear infinite;
  padding-left: 30px;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-sep { color: var(--orange); }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 卡片通用 ---------- */

.card-grid { display: grid; gap: clamp(14px, 1.6vw, 20px); }
.card-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 1000px) {
  .card-grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.3vw, 28px);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.card-title { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink); }
.card-body { margin-top: 12px; color: var(--ink-2); font-size: 15px; }
.card-body p:last-child { margin-bottom: 0; }
.card-list { list-style: none; margin: 14px 0 0; padding: 0; }
.card-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.7;
}
.card-list li:last-child { margin-bottom: 0; }
.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}
.card-list b, .card-list strong { color: var(--ink); font-weight: 600; }

/* ---------- 案例 ---------- */

.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: clamp(14px, 1.6vw, 20px); }
.case-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.3vw, 26px);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.16s ease, border-color 0.16s ease;
}
.case-card:hover { transform: translateY(-2px); border-color: var(--teal); }
.case-num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; color: var(--orange); }
.case-title { font-size: 19px; color: var(--ink); }
.case-meta { font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.case-summary { color: var(--ink-2); font-size: 14.5px; margin: 0; }
.case-numbers { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.case-numbers span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 5px 11px;
}
.case-link {
  margin-top: auto;
  padding-top: 16px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--orange);
}
.case-link:hover { color: var(--orange); text-decoration: underline; }

.case-mini-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin-top: 22px; }
.case-mini {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.case-mini h4 { font-size: 15.5px; color: var(--ink); margin-bottom: 8px; }
.case-mini p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* ---------- 方法与原则 ---------- */

.risk-card { border-left: 3px solid var(--orange); }
.risk-card.risk-red { border-left-color: var(--red); }
.risk-card.risk-yellow { border-left-color: var(--yellow); }
.risk-card.risk-red .card-list li::before { background: var(--red); }
.risk-card.risk-yellow .card-list li::before { background: var(--yellow); }
.risk-signal {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 10px;
}

.principles { margin-top: clamp(26px, 3vw, 40px); display: grid; gap: 18px; }
.principle {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.3vw, 28px);
  box-shadow: var(--shadow);
}
.principle h4 { font-size: 17px; color: var(--ink); margin-bottom: 10px; }
.principle p { margin: 0; color: var(--ink-2); font-size: 15px; }
.principle .card-list { margin-top: 12px; }

/* ---------- 时间线 ---------- */

.timeline { border-top: 1px solid var(--line); }
.tl-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: clamp(16px, 2.5vw, 36px);
  padding: clamp(22px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--line);
}
.tl-year { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--teal-dk); }
.tl-org { font-size: 17px; color: var(--ink); font-weight: 600; }
.tl-role { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 4px; }
.tl-body { color: var(--ink-2); font-size: 15px; margin-top: 12px; }
.tl-bullets { list-style: none; margin: 12px 0 0; padding: 0; }
.tl-bullets li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.7;
}
.tl-bullets li:last-child { margin-bottom: 0; }
.tl-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

/* ---------- 工作之外 ---------- */

.offline-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: clamp(14px, 1.6vw, 20px); }
.offline-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.2vw, 26px);
  box-shadow: var(--shadow);
}
.offline-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 18px;
  margin-bottom: 14px;
}
.offline-card h4 { font-size: 17px; color: var(--ink); margin-bottom: 10px; }
.offline-card p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* ---------- 联系 ---------- */

.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(20px, 3vw, 40px); align-items: start; }
.contact-lead { font-size: clamp(17px, 1.7vw, 21px); color: var(--ink); font-weight: 600; }
.contact-sub { color: var(--muted); margin-top: 12px; font-size: 15px; }
.mail-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; }
.mail-link {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 11px 18px;
}
.mail-link:hover { color: var(--orange); border-color: var(--orange); }
.copy-btn {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-2);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 10px 16px;
  cursor: pointer;
}
.copy-btn:hover { color: var(--orange); border-color: var(--orange); }
.qr-block { max-width: 240px; }
.qr-note { margin-top: 12px; font-family: var(--mono); font-size: 12.5px; color: var(--muted); text-align: center; }
.qr-note a { color: var(--teal-dk); }
.qr-img {
  display: block;
  width: 100%;
  height: auto;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.qr-placeholder {
  aspect-ratio: 1 / 1;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--paper-2);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
}

/* ---------- 页脚 ---------- */

.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.66);
  padding: clamp(38px, 5vw, 56px) 0 34px;
  margin-top: clamp(40px, 5vw, 70px);
}
.footer-name { color: #fff; font-weight: 700; font-size: 16px; }
.footer-tagline { color: rgba(255, 255, 255, 0.8); margin-top: 8px; font-size: 14.5px; }
.footer-line {
  font-family: var(--mono);
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 18px;
  line-height: 1.9;
}
.footer-line a { color: var(--teal); }

/* ---------- 案例详情页 ---------- */

.detail-hero {
  background: var(--dark);
  color: #fff;
  padding: clamp(36px, 5vw, 64px) 0 clamp(34px, 4.5vw, 56px);
}
.breadcrumb { font-family: var(--mono); font-size: 12.5px; color: rgba(255, 255, 255, 0.55); }
.breadcrumb a { color: rgba(255, 255, 255, 0.72); }
.breadcrumb a:hover { color: var(--orange); }
.detail-kicker {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--orange);
  margin-top: 22px;
}
.detail-title { font-size: clamp(28px, 4vw, 44px); margin-top: 12px; letter-spacing: -0.01em; }
.detail-meta {
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.9;
}
.desens-note {
  margin-top: 18px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.42);
}
.detail-body { padding: clamp(38px, 5vw, 66px) 0 0; }
.detail-section { max-width: var(--prose); margin: 0 auto; padding-bottom: clamp(26px, 3vw, 38px); }
.detail-h2 {
  font-size: clamp(19px, 2vw, 23px);
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.detail-h2 .h2-idx { font-family: var(--mono); font-size: 12px; color: var(--orange); }
.detail-section p { color: var(--ink-2); font-size: 15.5px; margin-top: 14px; }
.detail-section ul { margin: 14px 0 0; padding-left: 20px; color: var(--ink-2); font-size: 15.5px; }
.detail-section ul li { margin-bottom: 9px; }
.detail-section ul li b, .detail-section ul li strong { color: var(--ink); }
.definition {
  margin-top: 14px;
  padding: 20px 22px;
  background: var(--paper-2);
  border-left: 3px solid var(--orange);
  border-radius: 0 8px 8px 0;
  font-size: 16px;
  color: var(--ink);
  line-height: 1.75;
}
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-top: 16px; }
.result-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.result-num { font-family: var(--mono); font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; color: var(--orange); line-height: 1.1; overflow-wrap: anywhere; }
.result-num.is-long { font-size: clamp(16px, 1.7vw, 21px); line-height: 1.35; }
.result-label { margin-top: 8px; font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tech-tags span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
}
.note {
  margin-top: 16px;
  padding: 16px 18px;
  background: var(--paper-2);
  border-left: 3px solid var(--teal);
  border-radius: 0 8px 8px 0;
  color: var(--ink-2);
  font-size: 14.5px;
}
.table-scroll { overflow-x: auto; margin-top: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 420px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; letter-spacing: 0.04em; }
td:first-child { color: var(--ink); font-family: var(--mono); font-size: 13.5px; }
.detail-nav {
  max-width: var(--prose);
  margin: 0 auto;
  padding: 26px 0 clamp(40px, 5vw, 64px);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.detail-nav a { font-size: 14.5px; font-weight: 600; color: var(--teal-dk); }
.detail-nav a:hover { color: var(--orange); }
.detail-nav .nav-home { color: var(--muted); font-weight: 400; font-family: var(--mono); font-size: 13px; }

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .status-panel { order: 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 1fr; gap: 10px; }
  .tl-year { font-size: 12.5px; }
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
}

@media (max-width: 600px) {
  body { font-size: 15.5px; }
  .metrics { grid-template-columns: 1fr 1fr; gap: 18px; }
  .marquee { padding: 14px 0; }
  .marquee-track {
    display: block;
    animation: none;
    white-space: normal;
    padding: 0 24px;
    line-height: 2;
  }
  .marquee-track span { display: inline-block; margin: 0 10px 0 0; }
  .marquee-track span.marquee-sep { margin: 0 6px 0 0; }
  .card-grid.cols-2, .card-grid.cols-3 { grid-template-columns: 1fr; }
  .chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .chip { white-space: nowrap; flex: none; }
}