:root {
  --color-paper: #f4f2e9;
  --color-ink: #0b2835;
  --color-ink-deep: #061d27;
  --color-accent: #00a69f;
  --color-accent-dark: #007f7a;
  --color-text: #596b73;
  --color-line: rgba(11, 40, 53, .14);
  --color-surface: #fffdf7;
  --color-dark-text: #c5d5d6;
  --container: 1180px;
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img { max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { max-width: 820px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 18px; color: white; background: var(--color-ink); transition: top .2s; }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 242, 233, .96);
  border-bottom: 1px solid var(--color-line);
}

.nav-shell { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 900; line-height: 1.1; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; color: white; background: var(--color-ink); border-radius: var(--radius); font-family: Georgia, serif; font-size: 22px; }
.brand-sub { display: block; margin-top: 4px; color: var(--color-text); font-size: 10px; font-weight: 700; letter-spacing: 0; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 800; }
.primary-nav a { position: relative; padding: 10px 0; }
.primary-nav a:not(.nav-contact)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 4px; height: 2px; background: var(--color-accent); transition: right .2s; }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { right: 0; }
.nav-contact { padding: 10px 18px !important; color: white; background: var(--color-ink); border: 1px solid var(--color-ink); }
.nav-toggle { display: none; border: 1px solid var(--color-line); background: transparent; padding: 8px; border-radius: var(--radius); }
.nav-toggle > span:not(.sr-only) { display: block; width: 25px; height: 2px; margin: 5px; background: var(--color-ink); }

.hero { position: relative; overflow: hidden; padding: clamp(30px, 4vw, 48px) 0 clamp(34px, 4.5vw, 54px); border-bottom: 1px solid var(--color-line); }
.editorial-hero::before {
  content: "";
  position: absolute;
  inset: 18px 0 auto;
  height: 72%;
  background:
    linear-gradient(90deg, rgba(0,166,159,.12), transparent 34%),
    radial-gradient(circle at 78% 18%, rgba(0,166,159,.18), transparent 34%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(340px, .74fr); align-items: center; gap: clamp(34px, 5vw, 70px); }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 18px; color: var(--color-accent-dark); font-size: 12px; font-weight: 900; letter-spacing: 0; text-transform: uppercase; }
.eyebrow > span { width: 28px; height: 2px; background: var(--color-accent); }
.hero h1, .page-hero h1, .project-hero h1, .article-hero h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 5.8vw, 78px);
  line-height: .98;
  letter-spacing: 0;
}
.hero h1 span, .hero h1 em { display: block; }
h1 em, .page-hero em { color: var(--color-accent-dark); font-family: Georgia, "Songti SC", serif; font-style: normal; font-weight: 400; }
.hero-lead, .page-hero > .container > p:last-child, .project-hero .container > p:last-child { max-width: 660px; color: var(--color-text); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; padding: 11px 23px; border: 1px solid var(--color-ink); border-radius: var(--radius); cursor: pointer; font-weight: 900; transition: transform .2s, background .2s, color .2s; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: white; background: var(--color-ink); }
.button.ghost { background: transparent; }
.button.inverse { color: var(--color-ink); background: white; border-color: white; }
.button.light { color: white; border-color: rgba(255,255,255,.45); }

.impact-poster {
  position: relative;
  overflow: hidden;
  min-height: 0;
  padding: 20px;
  color: var(--color-dark-text);
  background: var(--color-ink);
  border-radius: var(--radius);
  box-shadow: 0 26px 70px rgba(6, 29, 39, .22);
}
.poster-arc { position: absolute; right: -90px; top: -90px; width: 310px; height: 310px; opacity: .72; mix-blend-mode: screen; }
.profile-hero-card {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 10px;
}
.profile-portrait-stage {
  position: relative;
  display: grid;
  justify-items: center;
}
.profile-avatar-card {
  position: relative;
  width: min(54%, 174px);
  padding: 8px;
  background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.05));
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px 999px var(--radius) var(--radius);
  box-shadow: 0 22px 54px rgba(0,0,0,.26);
}
.profile-avatar {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: 999px 999px var(--radius) var(--radius);
}
.profile-nameplate {
  position: relative;
  width: min(86%, 300px);
  margin-top: -22px;
  padding: 12px 16px;
  color: white;
  text-align: center;
  background: rgba(6, 29, 39, .82);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(0,0,0,.24);
}
.profile-nameplate span { display: block; font-size: 20px; font-weight: 900; }
.profile-nameplate strong { display: block; margin-top: 3px; color: var(--color-accent); font-size: 12px; }
.poster-topline { position: relative; display: flex; justify-content: space-between; align-items: center; color: var(--color-accent); font-size: 12px; font-weight: 900; }
.poster-topline img { width: 30px; height: 30px; filter: invert(53%) sepia(98%) saturate(441%) hue-rotate(131deg) brightness(92%) contrast(96%); }
.impact-poster > strong { position: relative; display: block; color: white; font: 700 clamp(42px, 5vw, 62px)/.9 Georgia, serif; }
.impact-poster > p { position: relative; max-width: 360px; margin: -4px 0 0; color: var(--color-dark-text); font-size: 13px; font-weight: 800; line-height: 1.55; }
.impact-poster dl { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 4px 0 0; border-top: 1px solid rgba(255,255,255,.14); }
.impact-poster dl div { padding: 10px 9px; border-right: 1px solid rgba(255,255,255,.12); border-bottom: 0; }
.impact-poster dl div:last-child { border-right: 0; }
.impact-poster dt { color: white; font-weight: 900; }
.impact-poster dd { margin: 5px 0 0; color: #9fb4b8; font-size: 11px; line-height: 1.45; }

.section { padding: 96px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 44px; }
.section-heading h2, .experience-grid h2, .contact-strip h2, .about-grid h2 { margin: 0; font-size: clamp(32px, 4vw, 54px); line-height: 1.12; letter-spacing: 0; }
.text-link { padding-bottom: 4px; border-bottom: 1px solid var(--color-ink); font-weight: 900; font-size: 13px; }

.featured-layout { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(280px, .82fr); border-top: 1px solid var(--color-line); border-left: 1px solid var(--color-line); }
.project-card { min-height: 330px; display: flex; flex-direction: column; padding: 30px; background: rgba(255,255,255,.34); border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); transition: background .2s, transform .2s, box-shadow .2s; }
.project-card:hover { background: var(--color-surface); transform: translateY(-4px); box-shadow: 0 18px 48px rgba(11,40,53,.10); }
.project-card-lead { min-height: 520px; grid-row: span 2; background: var(--color-surface); }
.card-index { margin-bottom: auto; color: var(--color-accent-dark); font: 28px Georgia, serif; }
.project-card-lead .card-index { margin-bottom: 112px; font-size: 40px; }
.project-period, .post-category { color: var(--color-text); font-size: 11px; font-weight: 900; letter-spacing: 0; text-transform: uppercase; }
.project-card h3, .post-card h3 { margin-bottom: 12px; font-size: 24px; line-height: 1.3; }
.project-card-lead h3 { font-size: clamp(30px, 4vw, 48px); line-height: 1.12; }
.project-card > p:not(.project-period), .post-card > p { color: var(--color-text); font-size: 14px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; }
.tag-list span, .tag-list a { padding: 5px 9px; color: var(--color-text); background: #ebe8dc; border: 1px solid rgba(11,40,53,.08); font-size: 11px; border-radius: var(--radius); }
.tag-list.vertical { align-items: flex-start; }
.card-link { display: flex; justify-content: space-between; margin-top: auto; padding-top: 20px; border-top: 1px solid var(--color-line); font-weight: 900; font-size: 12px; }

.experience-section { color: white; background: var(--color-ink-deep); }
.experience-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(56px, 9vw, 120px); }
.muted-copy { max-width: 420px; margin: 24px 0 34px; color: #a9bdc1; }
.timeline { border-left: 1px solid rgba(255,255,255,.18); }
.timeline article { position: relative; padding: 0 0 55px 42px; }
.timeline-dot { position: absolute; left: -6px; top: 4px; width: 11px; height: 11px; background: var(--color-accent); border: 3px solid var(--color-ink-deep); border-radius: 50%; box-shadow: 0 0 0 1px var(--color-accent); }
.timeline article > p { color: var(--color-accent); font-size: 12px; }
.timeline h3 { margin-bottom: 6px; font-size: 23px; }
.timeline article > strong { display: block; margin-bottom: 18px; color: #a8bdc0; }
.timeline article > span:not(.timeline-dot) { display: block; color: #c6d4d6; font-size: 14px; }

.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.post-card { min-height: 300px; padding: 28px; background: var(--color-surface); border-top: 4px solid var(--color-ink); box-shadow: 0 12px 38px rgba(13,38,51,.06); }
.post-meta { display: flex; justify-content: space-between; color: var(--color-text); font-size: 11px; }
.post-meta span { color: var(--color-accent-dark); font-weight: 900; }
.post-card h3 { margin: 50px 0 14px; }

.contact-strip { padding: 86px 0; color: white; background: var(--color-accent-dark); }
.contact-strip .container { display: grid; grid-template-columns: 1fr auto; align-items: end; }
.contact-strip .eyebrow { grid-column: 1/-1; color: white; }
.site-footer { padding: 70px 0 24px; color: #b9c8ca; background: var(--color-ink-deep); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 80px; }
.footer-grid > div { display: flex; flex-direction: column; gap: 9px; }
.footer-grid p { max-width: 430px; }
.footer-brand { color: white; }
.footer-title { color: white; font-weight: 900; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 60px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 11px; }

.page-hero, .project-hero, .article-hero { padding: 90px 0; border-bottom: 1px solid var(--color-line); }
.page-hero h1 { max-width: 900px; }
.page-hero .button { margin-top: 25px; }
.resume-layout { display: grid; grid-template-columns: 270px 1fr; gap: 90px; padding-top: 80px; padding-bottom: 100px; }
.resume-aside { position: sticky; top: 120px; align-self: start; padding: 28px; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius); }
.resume-avatar {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  margin-bottom: 24px;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(11, 40, 53, .12);
}
.resume-aside h2 { margin-bottom: 0; font-size: 26px; }
.aside-title { margin: 30px 0 12px; color: var(--color-accent-dark); font-size: 11px; font-weight: 900; letter-spacing: 0; text-transform: uppercase; }
.resume-aside dl div { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--color-line); font-size: 12px; }
.resume-aside dd { margin: 0; font-weight: 900; }
.resume-main section + section { margin-top: 80px; }
.resume-section-title { display: flex; align-items: center; gap: 18px; padding-bottom: 18px; border-bottom: 2px solid var(--color-ink); }
.resume-section-title span { color: var(--color-accent-dark); font: 18px Georgia, serif; }
.resume-section-title h2 { margin: 0; font-size: 30px; }
.resume-entry { display: grid; grid-template-columns: 1fr auto; gap: 15px 30px; padding: 34px 0; border-bottom: 1px solid var(--color-line); }
.resume-entry h3 { margin-bottom: 4px; font-size: 21px; }
.resume-entry time { color: var(--color-text); font-size: 12px; }
.resume-entry > p, .resume-entry > ul, .resume-entry > .tag-list { grid-column: 1/-1; }
.resume-entry ul { margin: 0; padding-left: 18px; color: var(--color-text); }

.project-list article, .blog-list article { display: grid; grid-template-columns: 90px 1fr auto; gap: 38px; align-items: start; padding: 42px 0; border-top: 1px solid var(--color-line); }
.project-number, .post-date strong { color: var(--color-accent-dark); font: 28px Georgia, serif; }
.project-list h2, .blog-list h2 { margin-bottom: 10px; font-size: 30px; }
.round-link { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--color-line); border-radius: 50%; font-size: 20px; transition: .2s; }
.round-link:hover { color: white; background: var(--color-ink); border-color: var(--color-ink); transform: rotate(45deg); }
.project-hero h1 { margin-top: 40px; }
.back-link { display: inline-block; margin-bottom: 24px; color: var(--color-text); font-size: 13px; }
.detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 100px; padding-top: 80px; padding-bottom: 100px; }
.detail-content section { padding-bottom: 48px; margin-bottom: 48px; border-bottom: 1px solid var(--color-line); }
.detail-content h2 { font-size: 32px; }
.detail-content p, .detail-content li { color: var(--color-text); font-size: 17px; }
.detail-aside { position: sticky; top: 120px; align-self: start; padding: 30px; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius); }
.detail-aside .button { width: 100%; margin-top: 28px; }
.blog-tools { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 45px; }
.category-list { display: flex; flex-wrap: wrap; gap: 8px; }
.category-list a { padding: 8px 15px; border: 1px solid var(--color-line); font-size: 12px; border-radius: var(--radius); }
.category-list a.active { color: white; background: var(--color-ink); border-color: var(--color-ink); }
.search-form { display: flex; min-width: 310px; border-bottom: 1px solid var(--color-ink); }
.search-form input { width: 100%; padding: 10px 0; border: 0; background: transparent; outline: 0; }
.search-form button { border: 0; background: transparent; font-weight: 900; cursor: pointer; }
.post-date { display: flex; flex-direction: column; }
.post-date span { color: var(--color-text); font-size: 11px; }
.empty-state { padding: 80px 20px; text-align: center; border: 1px solid var(--color-line); background: var(--color-surface); border-radius: var(--radius); }
.pagination { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin-top: 42px; }
.pagination a { min-width: 42px; min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 8px 14px; border: 1px solid var(--color-line); border-radius: var(--radius); font-size: 13px; font-weight: 900; }
.pagination a[aria-current="page"] { color: white; background: var(--color-ink); border-color: var(--color-ink); }
.pagination a[rel="prev"], .pagination a[rel="next"] { min-width: 86px; }

.article-hero { padding-bottom: 70px; text-align: center; }
.article-hero .back-link { display: block; text-align: left; }
.article-hero .eyebrow, .article-hero .tag-list { justify-content: center; }
.article-hero h1 { font-size: clamp(38px, 5vw, 64px); }
.article-hero > .container > p:not(.eyebrow) { color: var(--color-text); font-size: 18px; }
.article-layout { display: grid; grid-template-columns: 210px 1fr; gap: 55px; align-items: start; }
.article-toc { position: sticky; top: 115px; margin-top: 70px; padding: 20px; border-left: 2px solid var(--color-accent); background: var(--color-surface); font-size: 12px; }
.article-toc > p { font-weight: 900; }
.article-toc ul { margin: 0; padding-left: 15px; }
.article-toc li { margin: 7px 0; }
.article-body {
  min-width: 0;
  padding-top: 70px;
  padding-bottom: 70px;
  color: #344c57;
  font-family: Georgia, "Songti SC", serif;
  font-size: 18px;
  overflow-wrap: anywhere;
}
.article-body h2 { margin-top: 2em; color: var(--color-ink); font-family: "Microsoft YaHei", sans-serif; font-size: 30px; }
.article-body h3 { margin-top: 1.8em; color: var(--color-ink); }
.article-body h1[id], .article-body h2[id], .article-body h3[id], .article-body h4[id], .article-body h5[id], .article-body h6[id] { scroll-margin-top: 110px; }
.article-body pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 22px;
  color: #e5f4f2;
  background: var(--color-ink-deep);
}
.article-body code { padding: 2px 5px; background: #e8eeeb; font: .88em ui-monospace, monospace; }
.article-body pre code { padding: 0; background: transparent; }
.article-body blockquote { margin-left: 0; padding-left: 22px; border-left: 3px solid var(--color-accent); }
.article-body table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}
.article-body img {
  max-width: 100%;
  height: auto;
}
.article-footer { display: flex; align-items: center; justify-content: space-between; margin-bottom: 100px; padding: 30px; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius); }
.article-footer p { margin: 0; font-weight: 900; }
.related-section { padding: 55px 0; background: #e7e3d6; }
.related-section h2 { font-size: 32px; }
.related-link { display: grid; grid-template-columns: 110px 1fr auto; gap: 20px; padding: 18px 0; border-top: 1px solid rgba(11,40,53,.18); }
.related-link span { color: var(--color-text); font-size: 11px; }

.about-grid { display: grid; grid-template-columns: 250px 1fr; gap: 100px; }
.about-number { color: var(--color-accent); font: 100px/0.8 Georgia, serif; opacity: .22; }
.about-grid > div:last-child > p:not(.eyebrow) { max-width: 760px; color: var(--color-text); font-size: 18px; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 45px 0; }
.principle-grid article { padding: 24px; border-top: 2px solid var(--color-ink); background: var(--color-surface); }
.principle-grid span { color: var(--color-accent-dark); font: 17px Georgia, serif; }
.principle-grid h3 { margin: 30px 0 10px; }
.principle-grid p { color: var(--color-text); font-size: 13px; }
.skill-cloud span { padding: 9px 14px; }

.contact-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.contact-info div { padding: 18px 0; border-bottom: 1px solid var(--color-line); }
.contact-info dt { color: var(--color-text); font-size: 11px; letter-spacing: 0; }
.contact-info dd { margin: 5px 0 0; font-weight: 900; }
.privacy-note { margin-top: 30px; color: var(--color-text); font-size: 13px; }
.form-card { padding: 38px; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius); box-shadow: 0 18px 48px rgba(11,40,53,.10); }
.form-card form, .form-card label { display: flex; flex-direction: column; }
.form-card form { gap: 20px; }
.form-card label { gap: 7px; font-size: 13px; font-weight: 900; }
.form-card label span { color: var(--color-accent-dark); }
.form-card input, .form-card textarea { width: 100%; padding: 12px 0; border: 0; border-bottom: 1px solid #bcc9c5; outline: 0; background: transparent; }
.form-card input:focus, .form-card textarea:focus { border-color: var(--color-accent-dark); }
.form-card textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-card .button { align-self: flex-start; margin-top: 8px; }
.notice { display: flex; flex-direction: column; margin-bottom: 25px; padding: 16px 18px; border-left: 3px solid var(--color-accent); background: #e9f7f3; }
.notice.error { border-color: #c74a42; background: #fff0ef; }
.error-page { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.error-code { margin-bottom: -30px; color: var(--color-accent); font: 150px Georgia, serif; opacity: .15; }
.error-page h1 { font-size: 46px; }

.motion-ready .project-card, .motion-ready .post-card, .motion-ready .timeline article { transition: opacity .45s ease, transform .45s ease; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-enhanced .primary-nav { position: fixed; inset: 78px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 22px; background: var(--color-paper); border-bottom: 1px solid var(--color-line); box-shadow: 0 20px 50px rgba(11,40,53,.12); }
  .nav-enhanced .primary-nav.is-open { display: flex; }
  .primary-nav { flex: 1 1 100%; order: 3; flex-wrap: wrap; justify-content: flex-start; gap: 8px 18px; padding-bottom: 14px; }
  .primary-nav a { padding: 10px 4px; }
  .nav-enhanced .primary-nav a { padding: 13px; }
  .hero-grid, .experience-grid, .resume-layout, .detail-layout, .about-grid, .contact-grid, .article-layout { grid-template-columns: 1fr; gap: 55px; }
  .article-toc { position: static; margin-bottom: -20px; }
  .featured-layout, .project-grid, .post-grid, .principle-grid { grid-template-columns: 1fr 1fr; }
  .project-card-lead { grid-column: 1 / -1; grid-row: auto; }
  .resume-aside, .detail-aside { position: static; }
  .contact-strip .container { grid-template-columns: 1fr; gap: 25px; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .nav-shell { min-height: 70px; }
  .nav-enhanced .primary-nav { inset: 70px 0 auto; }
  .brand { max-width: calc(100vw - 92px); }
  .brand > span:last-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hero, .section, .page-hero, .project-hero, .article-hero { padding-top: 62px; padding-bottom: 62px; }
  .hero h1, .page-hero h1, .project-hero h1, .article-hero h1 { font-size: clamp(40px, 13vw, 58px); line-height: 1.02; }
  .hero-lead, .page-hero > .container > p:last-child, .project-hero .container > p:last-child { font-size: 16px; }
  .hero-actions, .section-heading, .blog-tools, .footer-bottom { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .impact-poster { min-height: auto; padding: 28px; }
  .impact-poster > strong { font-size: 64px; }
  .impact-poster dl { grid-template-columns: 1fr; }
  .impact-poster dl div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .impact-poster dl div:last-child { border-bottom: 0; }
  .profile-avatar-card { width: min(72%, 210px); }
  .poster-arc { width: 230px; height: 230px; }
  .profile-panel, .form-card { padding: 25px; }
  .featured-layout, .project-grid, .post-grid, .principle-grid, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .footer-grid { gap: 38px; }
  .project-list article, .blog-list article { grid-template-columns: 48px 1fr; gap: 18px; }
  .project-list .round-link, .blog-list .round-link { display: none; }
  .search-form { min-width: 100%; }
  .resume-entry { grid-template-columns: 1fr; }
  .resume-entry time { grid-row: 2; }
  .article-footer { align-items: stretch; flex-direction: column; gap: 15px; }
  .resume-layout, .detail-layout { padding-top: 52px; padding-bottom: 68px; }
  .resume-aside, .detail-aside, .article-toc { padding: 22px; }
  .article-body { padding-top: 48px; font-size: 16px; }
  .related-link { grid-template-columns: 1fr; gap: 6px; }
  .button { width: 100%; }
  .contact-strip .button { width: auto; }
}

@media (max-width: 430px) {
  .section-heading h2, .experience-grid h2, .contact-strip h2, .about-grid h2 { font-size: 30px; }
  .impact-poster > strong { font-size: 52px; }
  .project-list article, .blog-list article { grid-template-columns: 1fr; }
  .project-number, .post-date strong { font-size: 22px; }
  .project-card, .post-card { min-height: auto; padding: 24px; }
  .project-card-lead .card-index, .card-index { margin-bottom: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .motion-ready .project-card, .motion-ready .post-card, .motion-ready .timeline article { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .page-hero .button { display: none; }
  body { background: white; }
  .page-hero { padding: 30px 0; }
  .resume-layout { padding: 30px 0; }
}