:root {
  color: #402637;
  background: #fff9fc;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
  --pink: #e94b93;
  --pink-dark: #c93476;
  --ink: #402637;
  --muted: #806777;
  --line: #efd9e4;
  --surface: rgba(255,255,255,.88);
  --shadow: 0 18px 60px rgba(116,49,83,.10);
}
* { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body { min-width: 320px; min-height: 100vh; margin: 0; overflow-x: hidden; color: var(--ink); background: radial-gradient(circle at 88% 2%, #ffe0ee 0 150px, transparent 151px), linear-gradient(180deg,#fff9fc,#fff4f8); }
img { max-width: 100%; }
a { color: inherit; }
.shell { width: min(calc(100% - 36px), 1120px); margin: 0 auto; }
.site-header { position: sticky; z-index: 20; top: 0; background: rgba(255,249,252,.88); border-bottom: 1px solid rgba(239,217,228,.8); backdrop-filter: blur(16px); }
.nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 18px; font-weight: 850; text-decoration: none; white-space: nowrap; }
.brand img { width: 38px; height: 38px; object-fit: cover; border: 1px solid #f1d5e3; border-radius: 9px; box-shadow: 0 5px 16px rgba(201,52,118,.13); }
.nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 4px; flex-wrap: wrap; }
.nav-links a { padding: 9px 11px; color: #74576a; border-radius: 8px; font-size: 13px; font-weight: 700; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--pink-dark); background: #fff0f6; }
.hero { padding: 92px 0 78px; text-align: center; }
.eyebrow, .kicker { color: var(--pink-dark); font-size: 11px; font-weight: 850; letter-spacing: .14em; }
.hero h1 { max-width: 900px; margin: 18px auto 22px; font-size: clamp(46px,8vw,82px); line-height: 1.03; letter-spacing: -.035em; }
.hero h1 span { color: var(--pink); }
.hero-lead { max-width: 720px; margin: 0 auto; color: var(--muted); font-size: clamp(16px,2vw,19px); line-height: 1.9; }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.hero-note { display: flex; justify-content: center; gap: 10px 18px; flex-wrap: wrap; margin: 24px auto 0; color: #967788; font-size: 11px; }
.hero-note strong { color: #6d4d60; }
.hero-note span { position: relative; }
.hero-note span::before { content: "·"; position: absolute; left: -11px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 20px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); background: rgba(255,255,255,.82); box-shadow: 0 8px 24px rgba(113,47,80,.07); font-size: 14px; font-weight: 800; text-decoration: none; }
.button.primary { color: white; background: linear-gradient(120deg,#ef559b,#d6377f); border-color: transparent; box-shadow: 0 13px 30px rgba(211,55,125,.23); }
.button:hover { transform: translateY(-1px); }
.section { padding: 66px 0; }
.section.soft { width: min(calc(100% - 24px), 1180px); margin: 0 auto; padding-inline: 30px; background: rgba(255,255,255,.6); border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow); }
.section-heading { min-width: 0; max-width: 720px; margin-bottom: 30px; }
.section-heading h2 { margin: 10px 0 12px; font-size: clamp(30px,4.3vw,48px); line-height: 1.12; letter-spacing: -.025em; }
.section-heading p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.editorial-layout { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(280px,.65fr); gap: 16px; }
.featured-article, .editorial-card { display: flex; flex-direction: column; color: inherit; background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: 16px; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.featured-article:hover, .editorial-card:hover { transform: translateY(-2px); box-shadow: 0 16px 42px rgba(100,42,72,.1); }
.featured-article { min-height: 430px; padding: clamp(28px,5vw,52px); background: radial-gradient(circle at 90% 10%,rgba(255,211,229,.85),transparent 31%),linear-gradient(145deg,#fff,#fff5f9); }
.featured-article h3 { max-width: 650px; margin: 28px 0 18px; font-size: clamp(30px,4vw,48px); line-height: 1.14; letter-spacing: -.025em; }
.featured-article p { max-width: 690px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.article-label { color: var(--pink-dark); font-size: 11px; font-weight: 850; letter-spacing: .08em; }
.article-detail { margin-top: 22px; color: #967788; font-size: 11px; }
.article-stack { display: grid; gap: 16px; }
.editorial-card { min-height: 207px; padding: 25px; }
.editorial-card h3 { margin: 12px 0 9px; font-size: 21px; line-height: 1.3; }
.editorial-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.field-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.field-note { padding: 26px; background: rgba(255,255,255,.82); border: 1px solid var(--line); border-radius: 14px; }
.field-note > span { color: var(--pink); font-size: 12px; font-weight: 900; }
.field-note h3 { margin: 11px 0 10px; font-size: 21px; }
.field-note p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.field-note a { display: inline-flex; margin-top: 16px; color: var(--pink-dark); font-size: 12px; font-weight: 800; text-underline-offset: 3px; }
.method-strip { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.method-strip > div { padding: 28px 24px; }
.method-strip > div + div { border-left: 1px solid var(--line); }
.method-strip span { display: inline-flex; width: 27px; height: 27px; align-items: center; justify-content: center; margin-bottom: 15px; color: white; background: var(--pink); border-radius: 50%; font-size: 11px; font-weight: 900; }
.method-strip strong { display: block; margin-bottom: 8px; font-size: 17px; }
.method-strip p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.author-panel { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(28px,7vw,86px); align-items: start; margin-top: 36px; padding: clamp(30px,6vw,60px); background: linear-gradient(135deg,#4b2a3f,#6b3554); border-radius: 22px; box-shadow: var(--shadow); }
.author-panel h2 { margin: 11px 0 0; color: white; font-size: clamp(28px,4vw,43px); line-height: 1.16; }
.author-panel p { margin: 0; color: #f4dce8; font-size: 15px; line-height: 1.9; }
.author-panel .kicker { color: #ff9bc8; }
.author-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 25px; }
.author-panel .button:not(.primary) { color: white; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.24); box-shadow: none; }
.app-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.app-card { min-height: 230px; display: flex; flex-direction: column; padding: 22px; overflow: hidden; color: var(--ink); background: rgba(255,255,255,.9); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 10px 32px rgba(100,42,72,.07); text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.app-card:hover { transform: translateY(-3px); box-shadow: 0 16px 42px rgba(100,42,72,.12); }
.app-card.featured { grid-column: span 2; background: linear-gradient(135deg,#fff7df,#fff0f7 55%,#f6efff); border-color: #e8c8a7; }
.app-card.stage-featured { grid-column: 1 / -1; background: linear-gradient(135deg,#eefcff,#f4efff 48%,#fff0f8); border-color: #b9dff0; }
.app-top { display: flex; align-items: center; gap: 14px; }
.app-icon { width: 68px; height: 68px; flex: 0 0 auto; object-fit: cover; border: 1px solid rgba(227,88,146,.2); border-radius: 12px; }
.app-meta { min-width: 0; }
.app-meta small { display: block; margin-bottom: 4px; color: var(--pink-dark); font-size: 11px; font-weight: 800; }
.app-meta strong { display: block; overflow-wrap: anywhere; font-size: 19px; }
.app-card p { margin: 20px 0 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.app-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 20px; color: var(--pink-dark); font-size: 12px; font-weight: 850; }
.new-tag { display: inline-flex; padding: 4px 8px; color: #8c5325; background: #fff1ca; border: 1px solid #efd49d; border-radius: 999px; font-size: 10px; font-weight: 850; }
.content-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.content-grid article { padding: 28px; }
.content-grid article + article { border-left: 1px solid var(--line); }
.content-grid.four { grid-template-columns: repeat(4,minmax(0,1fr)); }
.content-grid h3 { margin: 12px 0 10px; font-size: 20px; }
.content-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.text-link { display: inline-flex; margin-top: 15px; color: var(--pink-dark); font-size: 12px; font-weight: 800; text-underline-offset: 3px; }
.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.principle { padding: 25px; background: rgba(255,255,255,.76); border-left: 3px solid #ea5598; border-radius: 8px; }
.principle strong { display: block; margin-bottom: 8px; font-size: 17px; }
.principle p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.page-hero { padding: 72px 0 48px; }
.breadcrumbs { display: flex; gap: 8px; color: #9b788c; font-size: 12px; }
.breadcrumbs a { color: var(--pink-dark); text-decoration: none; }
.page-hero h1 { max-width: 820px; margin: 18px 0 16px; font-size: clamp(40px,6vw,66px); line-height: 1.06; letter-spacing: -.03em; }
.page-hero p { max-width: 760px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 250px; gap: 54px; align-items: start; padding-bottom: 76px; }
.article { min-width: 0; }
.article section { padding: 32px 0; border-top: 1px solid var(--line); }
.article section:first-child { border-top: 0; }
.article h2 { margin: 0 0 15px; font-size: 30px; line-height: 1.25; }
.article h3 { margin: 24px 0 10px; font-size: 20px; }
.article p, .article li { color: #705565; font-size: 15px; line-height: 1.9; }
.article p { margin: 0 0 14px; }
.article ul, .article ol { margin: 12px 0 0; padding-left: 24px; }
.article li + li { margin-top: 8px; }
.callout { margin: 24px 0; padding: 20px 22px; color: #5d4755; background: #fff2f7; border: 1px solid #efcedd; border-left: 4px solid var(--pink); border-radius: 8px; }
.callout strong { display: block; margin-bottom: 6px; color: var(--ink); }
.toc { position: sticky; top: 94px; padding: 20px; background: rgba(255,255,255,.75); border: 1px solid var(--line); border-radius: 12px; }
.toc strong { display: block; margin-bottom: 10px; font-size: 13px; }
.toc a { display: block; padding: 7px 0; color: var(--muted); font-size: 12px; text-decoration: none; }
.toc a:hover { color: var(--pink-dark); }
.fact-list { display: grid; gap: 12px; }
.fact { padding: 18px 20px; background: rgba(255,255,255,.78); border: 1px solid var(--line); border-radius: 10px; }
.fact strong { display: block; margin-bottom: 6px; }
.fact p { margin: 0; font-size: 13px; }
.detail-intro { display: grid; grid-template-columns: 92px minmax(0,1fr); gap: 24px; align-items: center; margin-top: 28px; }
.detail-intro img { width: 92px; height: 92px; object-fit: cover; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.detail-intro p { margin: 0; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.badge { display: inline-flex; padding: 6px 10px; color: var(--pink-dark); background: #fff0f6; border: 1px solid #f0cfdf; border-radius: 999px; font-size: 11px; font-weight: 800; }
.meta-grid, .knowledge-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin: 20px 0; }
.meta-card, .knowledge-card { padding: 20px; background: rgba(255,255,255,.78); border: 1px solid var(--line); border-radius: 12px; }
.meta-card strong, .knowledge-card strong { display: block; margin-bottom: 7px; color: var(--ink); }
.meta-card p, .knowledge-card p { margin: 0; font-size: 13px; }
.knowledge-card { color: inherit; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.knowledge-card:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(100,42,72,.09); }
.knowledge-card small { display: block; margin-bottom: 8px; color: var(--pink-dark); font-weight: 800; }
.article-meta { margin-top: 18px; color: #967788; font-size: 12px; }
.formula { margin: 18px 0; padding: 16px 20px; overflow-x: auto; color: #5d3a4e; background: #fff; border: 1px solid var(--line); border-radius: 10px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.comparison { width: 100%; margin: 18px 0; border-collapse: collapse; background: rgba(255,255,255,.7); font-size: 13px; }
.comparison th, .comparison td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; line-height: 1.65; }
.comparison th { color: var(--ink); background: #fff0f6; }
.source-list a { color: var(--pink-dark); text-underline-offset: 3px; }
.update-list { display: grid; gap: 14px; }
.update { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 22px 0; border-top: 1px solid var(--line); }
.update time { color: var(--pink-dark); font-size: 12px; font-weight: 850; }
.update h2 { margin: 0 0 8px; font-size: 22px; }
.update p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.site-footer { margin-top: 70px; padding: 44px 0 34px; color: #74596a; background: #fff1f7; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 34px; }
.footer-brand p { max-width: 420px; margin: 12px 0 0; font-size: 13px; line-height: 1.75; }
.footer-links strong { display: block; margin-bottom: 10px; color: var(--ink); font-size: 13px; }
.footer-links a { display: block; width: fit-content; padding: 4px 0; color: #74596a; font-size: 12px; text-decoration: none; }
.footer-links a:hover { color: var(--pink-dark); }
.copyright { margin-top: 34px; padding-top: 20px; border-top: 1px solid #e8cfdb; font-size: 11px; line-height: 1.7; }
:focus-visible { outline: 3px solid rgba(233,75,147,.34); outline-offset: 3px; }
@media (max-width: 820px) {
  .nav { align-items: flex-start; padding: 14px 0; }
  .nav-links { gap: 0; }
  .nav-links a { padding: 6px 8px; font-size: 11px; }
  .app-grid { grid-template-columns: 1fr 1fr; }
  .app-card.featured { grid-column: 1 / -1; }
  .app-card.stage-featured { grid-column: 1 / -1; }
  .content-grid { grid-template-columns: 1fr; }
  .content-grid.four { grid-template-columns: 1fr; }
  .content-grid article + article { border-top: 1px solid var(--line); border-left: 0; }
  .editorial-layout, .author-panel { grid-template-columns: 1fr; }
  .featured-article { min-height: 360px; }
  .method-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .method-strip > div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .method-strip > div:nth-child(4) { border-top: 1px solid var(--line); }
  .article-layout { grid-template-columns: 1fr; }
  .meta-grid, .knowledge-grid { grid-template-columns: 1fr; }
  .toc { position: static; order: -1; }
}
@media (max-width: 580px) {
  .shell { width: min(calc(100% - 28px),1120px); }
  .site-header { position: static; }
  .nav { display: grid; gap: 10px; }
  .nav-links { justify-content: flex-start; }
  .hero { padding: 58px 0 54px; }
  .hero h1 { font-size: 48px; }
  .hero-lead, .section-heading h2, .section-heading p { overflow-wrap: anywhere; }
  .section { padding: 48px 0; }
  .section.soft { padding-inline: 16px; border-radius: 18px; }
  .app-grid, .principles, .field-grid, .method-strip { grid-template-columns: 1fr; }
  .hero-note { display: grid; gap: 5px; }
  .hero-note span::before { display: none; }
  .featured-article { min-height: 0; }
  .featured-article h3 { font-size: 30px; }
  .method-strip > div + div { border-top: 1px solid var(--line); border-left: 0; }
  .app-card.featured { grid-column: auto; }
  .app-card.stage-featured { grid-column: auto; }
  .app-card { min-height: 210px; }
  .page-hero { padding: 50px 0 36px; }
  .article h2 { font-size: 25px; }
  .detail-intro { grid-template-columns: 68px minmax(0,1fr); gap: 16px; }
  .detail-intro img { width: 68px; height: 68px; border-radius: 13px; }
  .update { grid-template-columns: 1fr; gap: 7px; }
  .footer-grid { grid-template-columns: 1fr; }
}