:root {
  --paper: #f6f0e4;
  --paper-deep: #eee3d2;
  --paper-light: #fbf8f1;
  --ink: #3b2b22;
  --ink-soft: #5a493d;
  --muted: #7d7167;
  --bluegray: #94a8ad;
  --bluegray-deep: #6f858b;
  --gold: #c4aa78;
  --gold-soft: #e2d4b7;
  --line: rgba(91, 72, 55, .16);
  --line-strong: rgba(91, 72, 55, .28);
  --card: rgba(255, 252, 245, .72);
  --shadow: 0 18px 48px rgba(71, 52, 38, .07);
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: hidden; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(111,133,139,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(111,133,139,.045) 1px, transparent 1px),
    radial-gradient(circle at 14% 2%, rgba(196,170,120,.09), transparent 24rem),
    radial-gradient(circle at 88% 18%, rgba(148,168,173,.08), transparent 30rem);
  background-size:
    30px 30px,
    30px 30px,
    auto,
    auto;
  background-position:
    0 0,
    0 0,
    center,
    center;
  font-family: var(--sans);
  line-height: 1.82;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a, button { -webkit-tap-highlight-color: transparent; }
a:hover { color: var(--bluegray-deep); }
::selection { background: var(--gold-soft); color: var(--ink); }

.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246,240,228,.91);
  border-bottom: 1px solid var(--line);
}
@supports (backdrop-filter: blur(12px)) {
  .nav { backdrop-filter: blur(12px); }
}
.nav-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  letter-spacing: .04em;
}
.brand-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.05;
}
.brand-copy strong {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .08em;
}
.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  box-shadow: inset 0 0 0 4px rgba(196,170,120,.08);
}
.nav-links {
  display: flex;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
}
.nav-links a {
  position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 2px;
  height: 1px;
  background: var(--gold);
  transition: right .2s ease;
}
.nav-links a:hover::after { right: 0; }

.hero {
  position: relative;
  min-height: 650px;
  display: grid;
  align-items: center;
  padding: 112px 0 100px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: "";
  position: absolute;
  top: 72px;
  right: max(24px, calc((100vw - 1120px) / 2));
  width: min(42vw, 500px);
  aspect-ratio: 1.18 / 1;
  opacity: .66;
  background-image:
    linear-gradient(to right, rgba(111,133,139,.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(111,133,139,.16) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(135deg, transparent 3%, #000 24%, #000 72%, transparent 98%);
  mask-image: linear-gradient(135deg, transparent 3%, #000 24%, #000 72%, transparent 98%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  right: -3%;
  bottom: 8px;
  width: min(760px, 62vw);
  height: 250px;
  opacity: .42;
  background-repeat: no-repeat;
  background-position: right bottom;
  background-size: contain;
  background-image: url("data:image/svg+xml,%3Csvg width='900' height='280' viewBox='0 0 900 280' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%2394a8ad' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 239 C73 224 99 190 149 195 C191 199 215 159 251 162 C301 165 318 116 361 126 C394 134 421 89 459 103 C498 117 529 66 573 85 C614 102 642 139 682 136 C727 133 761 92 804 108 C841 122 860 159 896 164'/%3E%3Cpath opacity='.58' d='M68 247 C118 231 151 210 197 218 C239 225 277 190 315 195 C356 201 386 164 424 170 C461 176 492 142 529 150 C565 158 592 183 629 180 C678 177 712 146 753 157 C790 167 822 196 868 198'/%3E%3Cpath opacity='.42' d='M159 248 C212 235 245 228 286 232 C335 237 359 217 399 219 C442 221 474 204 516 208 C565 214 596 201 636 204 C686 208 731 220 781 219'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }

.eyebrow,
.section-kicker {
  color: var(--bluegray-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.eyebrow::before,
.section-kicker::before {
  content: "□";
  margin-right: 9px;
  color: var(--gold);
  font-size: 14px;
}
h1, h2, h3 { color: var(--ink); }
h1 {
  max-width: 820px;
  margin: 18px 0 20px;
  font-family: var(--serif);
  font-size: clamp(44px, 6.8vw, 78px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -.04em;
}
.lead {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: var(--ink);
  color: var(--paper-light);
  font-weight: 700;
  letter-spacing: .02em;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.button:hover {
  transform: translateY(-1px);
  background: var(--ink-soft);
  border-color: var(--ink-soft);
  color: #fff;
}
.button.secondary {
  color: var(--ink);
  background: rgba(255,255,255,.28);
  border-color: var(--line-strong);
}
.button.secondary:hover {
  background: var(--paper-light);
  color: var(--ink);
}

.hero-path {
  max-width: 720px;
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}
.hero-step {
  position: relative;
  padding: 16px 18px 16px 27px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .04em;
}
.hero-step + .hero-step { border-left: 1px solid var(--line); }
.hero-step::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 23px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--gold);
  background: var(--paper);
}
.hero-step strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 15px;
}

section { padding: 88px 0; }
section + section { border-top: 1px solid rgba(91,72,55,.08); }
h2 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.025em;
}
.section-intro {
  max-width: 700px;
  color: var(--muted);
}
.grid {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.card {
  position: relative;
  min-height: 210px;
  padding: 28px 26px 30px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.card + .card { border-left: 1px solid var(--line); }
.card::before {
  content: "□";
  display: block;
  margin-bottom: 22px;
  color: var(--gold);
  font-size: 18px;
  line-height: 1;
}
.card h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 22px;
}
.card p { margin: 0; color: var(--muted); }

.article-list {
  display: grid;
  gap: 0;
  margin-top: 30px;
  border-top: 1px solid var(--line-strong);
}
.article {
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 8px 22px 28px;
  border-bottom: 1px solid var(--line);
  transition: padding-left .18s ease, background .18s ease;
}
.article::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 31px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
}
.article:hover {
  padding-left: 34px;
  background: rgba(255,255,255,.22);
}
.article-title {
  font-weight: 750;
  font-size: 18px;
}
.article-meta {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 13px;
}

.profile {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.quote {
  position: relative;
  padding: 34px 34px 34px 38px;
  border: 0;
  border-left: 1px solid var(--gold);
  border-radius: 0;
  background: transparent;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
}
.quote::before {
  content: "“";
  position: absolute;
  left: -18px;
  top: 10px;
  color: var(--gold-soft);
  font-family: Georgia, serif;
  font-size: 62px;
  line-height: 1;
}

.footer {
  padding: 34px 0 48px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.identity-meta {
  display: block;
  margin-top: 8px;
  color: rgba(115, 107, 97, 0.72);
  font-size: 11px;
  line-height: 1.6;
}

.article-page {
  position: relative;
  padding: 76px 0 100px;
}
.article-page::before {
  content: "";
  position: absolute;
  top: 30px;
  right: 5vw;
  width: 260px;
  height: 180px;
  opacity: .35;
  background-image:
    linear-gradient(to right, rgba(111,133,139,.13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(111,133,139,.13) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(135deg,#000,transparent 82%);
  mask-image: linear-gradient(135deg,#000,transparent 82%);
  pointer-events: none;
}
.article-body {
  position: relative;
  z-index: 1;
  width: min(780px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 24px 20px;
  background: rgba(246,240,228,.78);
  box-shadow: 0 0 42px rgba(246,240,228,.92);
}
.article-body h1 {
  max-width: none;
  margin-bottom: 14px;
  font-size: clamp(36px, 5vw, 60px);
}
.article-body .meta {
  color: var(--muted);
  font-size: 14px;
}
.article-body .content {
  margin-top: 44px;
  font-size: 18px;
}
.article-body .content h2 {
  position: relative;
  margin-top: 50px;
  padding-top: 22px;
  font-size: 30px;
}
.article-body .content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 46px;
  height: 1px;
  background: var(--gold);
}
.article-body .content h3 {
  margin: 42px 0 14px;
  font-family: var(--serif);
  font-size: 23px;
  line-height: 1.4;
}
.article-body .content p { margin: 18px 0; }
.article-body .content a {
  color: var(--bluegray-deep);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 4px;
}
.article-body .content strong { color: var(--ink); }
.article-body .content blockquote {
  margin: 30px 0;
  padding: 20px 24px;
  border-left: 2px solid var(--gold);
  border-radius: 0;
  background: rgba(255,252,245,.56);
  color: var(--ink-soft);
}
.article-body .content ul,
.article-body .content ol { padding-left: 1.35em; }
.article-body .content li { margin: 8px 0; }

.table-wrap {
  max-width: 100%;
  margin: 30px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255,252,245,.55);
  -webkit-overflow-scrolling: touch;
}
.article-body .content table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.65;
}
.article-body .content th,
.article-body .content td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.article-body .content th {
  color: var(--ink);
  background: rgba(196,170,120,.11);
  font-size: 14px;
  font-weight: 800;
}
.article-body .content tr:last-child td { border-bottom: 0; }

.article-cover, .article-figure { margin: 32px 0 38px; }
.article-cover img, .article-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(91,72,55,.1);
  border-radius: 2px;
  background: var(--paper-deep);
  box-shadow: var(--shadow);
}
.article-cover img { max-height: 560px; object-fit: cover; }
.article-cover figcaption, .article-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

.image-note, .article-source, .prompt-card {
  margin: 30px 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255,252,245,.6);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}
.article-source strong { display: block; margin-bottom: 4px; }
.article-source p { margin: 0 0 8px !important; }
.prompt-card h4 { margin: 0 0 12px; font-size: 17px; line-height: 1.5; color: var(--ink); }
.prompt-card p { margin: 12px 0 0 !important; color: var(--muted); font-size: 15px; }
.prompt-card pre {
  margin: 0;
  padding: 15px;
  border: 1px solid rgba(91,72,55,.08);
  border-radius: 0;
  background: rgba(238,227,210,.45);
  color: var(--ink-soft);
  font: inherit;
  font-size: 15px;
  line-height: 1.8;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.source-list { padding-left: 24px; }
.source-list li { margin: 10px 0; }

.author-box {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 52px;
  padding: 22px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}
.avatar {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ink);
  background: transparent;
  font-family: var(--serif);
  font-weight: 800;
}
.author-box p { margin: 0; color: var(--muted); font-size: 14px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

@media (max-width: 760px) {
  body {
    background-size: 26px 26px, 26px 26px, auto, auto;
  }

  .wrap { width: min(100% - 24px, 620px); }

  .nav-inner {
    min-height: 60px;
    gap: 10px;
  }
  .brand {
    gap: 8px;
    min-width: 0;
    white-space: nowrap;
  }
  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 16px;
  }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small {
    margin-top: 4px;
    font-size: 9px;
    letter-spacing: .16em;
  }
  .nav-links {
    gap: 8px;
    font-size: 12px;
    white-space: nowrap;
  }
  .nav-links a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 0 4px;
  }

  .hero {
    min-height: auto;
    padding: 56px 0 48px;
  }
  .hero::before {
    top: 32px;
    right: -74px;
    width: 250px;
    opacity: .32;
    background-size: 22px 22px;
  }
  .hero::after {
    right: -34%;
    bottom: -2px;
    width: 510px;
    max-width: none;
    height: 142px;
    opacity: .22;
  }
  .eyebrow,
  .section-kicker {
    font-size: 11px;
    letter-spacing: .16em;
  }
  h1 {
    max-width: 8.5em;
    margin: 13px 0 15px;
    font-size: clamp(36px, 10.5vw, 46px);
    line-height: 1.16;
    letter-spacing: -.035em;
  }
  .lead {
    max-width: 100%;
    font-size: 16.5px;
    line-height: 1.82;
  }
  .actions {
    flex-direction: column;
    gap: 9px;
    margin-top: 24px;
  }
  .button {
    width: 100%;
    min-height: 48px;
    padding: 0 16px;
  }

  .hero-path {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }
  .hero-step {
    padding: 12px 12px 12px 27px;
    line-height: 1.55;
  }
  .hero-step + .hero-step {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .hero-step::before {
    left: 10px;
    top: 18px;
  }

  section { padding: 50px 0; }
  h2 {
    font-size: clamp(28px, 8vw, 36px);
    line-height: 1.35;
  }
  .section-intro {
    margin-top: 10px;
    line-height: 1.8;
  }

  .grid,
  .profile {
    grid-template-columns: 1fr;
  }
  .grid {
    margin-top: 26px;
    border-bottom: 0;
  }
  .card {
    min-height: auto;
    padding: 20px 2px 22px;
    border-bottom: 1px solid var(--line);
  }
  .card + .card { border-left: 0; }
  .card::before { margin-bottom: 12px; }
  .card h3 { font-size: 21px; }
  .card p { line-height: 1.78; }

  .article-list { margin-top: 22px; }
  .article {
    display: block;
    padding: 18px 2px 18px 23px;
  }
  .article:hover { padding-left: 23px; }
  .article::before {
    left: 2px;
    top: 27px;
  }
  .article-title {
    display: block;
    font-size: 16.5px;
    line-height: 1.65;
    overflow-wrap: anywhere;
  }
  .article-meta {
    display: block;
    margin-top: 5px;
    font-size: 12px;
  }

  .profile { gap: 22px; }
  .quote {
    padding: 20px 6px 20px 24px;
    font-size: 18px;
    line-height: 1.75;
  }
  .quote::before {
    left: -8px;
    top: 3px;
    font-size: 46px;
  }

  .article-page { padding: 44px 0 64px; }
  .article-page::before {
    right: -96px;
    width: 210px;
    opacity: .2;
  }
  .article-body {
    width: min(100% - 24px, 620px);
    padding: 0 4px 12px;
    background: rgba(246,240,228,.88);
    box-shadow: 0 0 28px rgba(246,240,228,.96);
  }
  .article-body h1 {
    margin-bottom: 12px;
    font-size: clamp(30px, 8.8vw, 40px);
    line-height: 1.3;
  }
  .article-body .meta {
    font-size: 13px;
    line-height: 1.7;
  }
  .article-body .content {
    margin-top: 28px;
    font-size: 17px;
    line-height: 1.92;
  }
  .article-body .content h2 {
    margin-top: 36px;
    padding-top: 17px;
    font-size: 25px;
    line-height: 1.42;
  }
  .article-body .content h3 {
    margin-top: 32px;
    font-size: 21px;
  }
  .article-body .content p { margin: 15px 0; }
  .article-body .content blockquote {
    margin: 22px 0;
    padding: 15px 16px;
  }

  .table-wrap { margin: 20px -2px; }
  .article-body .content table { font-size: 14px; }
  .article-body .content th,
  .article-body .content td {
    padding: 11px 12px;
  }

  .article-cover,
  .article-figure {
    margin: 20px -2px 26px;
  }
  .article-cover figcaption,
  .article-figure figcaption {
    font-size: 12.5px;
  }

  .image-note,
  .article-source,
  .prompt-card {
    margin: 22px 0;
    padding: 14px 15px;
    font-size: 14px;
  }
  .prompt-card pre {
    padding: 12px;
    font-size: 14px;
    line-height: 1.75;
  }

  .author-box {
    align-items: flex-start;
    margin-top: 34px;
    padding: 17px 0;
  }
  .footer {
    padding: 24px 0 32px;
    font-size: 12px;
    line-height: 1.75;
  }
}

@media (max-width: 390px) {
  .nav-links { gap: 4px; }
  .nav-links a { padding: 0 2px; }
  /* 3+1 主导航在手机端也必须完整保留：AI｜教育｜经营｜关于我 */
  .nav-links a:first-child { display: inline-flex; }
}

@media (min-width: 761px) {
  .hero .wrap,
  section > .wrap {
    padding-left: 8px;
    padding-right: 8px;
  }
}

/* Homepage information architecture · 2026-09-21 */
.home-v2 [id] { scroll-margin-top: 94px; }
.home-hero { min-height: 620px; }
.home-hero h1 { max-width: 900px; }
.hero-note {
  max-width: 700px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.home-work { padding-top: 96px; }
.pillar-list {
  margin-top: 42px;
  border-top: 1px solid var(--line-strong);
}
.pillar {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 164px;
  gap: 28px;
  padding: 42px 0 46px;
  border-bottom: 1px solid var(--line-strong);
}
.pillar-index {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.1;
}
.pillar-label {
  margin-bottom: 7px;
  color: var(--bluegray-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}
.pillar h3 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.3;
}
.pillar-copy > p {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
}
.pillar-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  padding-top: 25px;
}
.pillar-side span {
  padding: 4px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 22px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 5px;
}
.muted-link {
  color: var(--bluegray-deep);
  font-weight: 650;
}
.featured-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.featured-links a {
  display: flex;
  min-height: 142px;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 18px;
}
.featured-links a + a { border-left: 1px solid var(--line); }
.featured-links strong { line-height: 1.55; }
.featured-links span {
  color: var(--muted);
  font-size: 12px;
}
.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.resource-card {
  display: flex;
  min-height: 230px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line-strong);
  background: rgba(255,252,245,.44);
  transition: transform .18s ease, background .18s ease;
}
.resource-card:hover {
  transform: translateY(-2px);
  background: rgba(255,252,245,.78);
  color: var(--ink);
}
.resource-tag {
  color: var(--bluegray-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}
.resource-card strong {
  margin-top: 16px;
  font-family: var(--serif);
  font-size: 24px;
}
.resource-card p {
  margin: 8px 0 18px;
  color: var(--muted);
}
.resource-card em {
  margin-top: auto;
  color: var(--ink);
  font-size: 13px;
  font-style: normal;
  font-weight: 750;
}
.latest-writing { margin-top: 42px; }
.subsection-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}
.subsection-head h4 {
  margin: 0;
  font-family: var(--serif);
  font-size: 24px;
}
.subsection-head a {
  color: var(--bluegray-deep);
  font-size: 13px;
  font-weight: 700;
}
.compact-list { margin-top: 14px; }
.about-contact { background: rgba(255,252,245,.35); }
.about-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr);
  gap: 72px;
  align-items: start;
}
.about-summary p,
.contact-card p { color: var(--ink-soft); }
.about-lead {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
}
.contact-card {
  padding: 34px;
  border: 1px solid var(--line-strong);
  background: var(--card);
  box-shadow: var(--shadow);
}
.contact-card h2 { font-size: 34px; }
.cooperation-list {
  display: grid;
  gap: 9px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.cooperation-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}
.cooperation-list li::before {
  content: "□";
  margin-right: 10px;
  color: var(--gold);
}
.contact-actions {
  display: grid;
  gap: 9px;
  margin-top: 26px;
}
.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 28px;
  align-items: center;
  margin-top: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255,252,245,.52);
}
.contact-email { overflow-wrap: anywhere; }
.wechat-card { margin: 0; text-align: center; }
.wechat-card img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}
.wechat-card figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.open-work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}
.open-work-card {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line-strong);
  background: rgba(255,252,245,.58);
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.open-work-card:hover {
  transform: translateY(-2px);
  background: rgba(255,252,245,.88);
  border-color: var(--gold);
  color: var(--ink);
}
.open-work-card strong {
  margin-top: 14px;
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.35;
}
.open-work-card p {
  margin: 10px 0 22px;
  color: var(--muted);
  line-height: 1.78;
}
.open-work-card em {
  margin-top: auto;
  color: var(--bluegray-deep);
  font-size: 14px;
  font-style: normal;
  font-weight: 750;
}
.works-section-head {
  margin-top: 64px;
  padding-top: 34px;
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: 120px;
}
.works-section-head h2 {
  margin: 9px 0 6px;
  font-size: 34px;
}
.works-section-head p {
  margin: 0;
  color: var(--muted);
}

.article-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 34px;
}
.article-index-card {
  display: flex;
  min-height: 210px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255,252,245,.5);
}
.article-index-card .article-meta { margin-bottom: 12px; }
.article-index-card strong {
  font-family: var(--serif);
  font-size: 23px;
  line-height: 1.5;
}
.article-index-card p { color: var(--muted); }
.article-index-card em {
  margin-top: auto;
  color: var(--bluegray-deep);
  font-style: normal;
  font-weight: 700;
}

@media (max-width: 760px) {
  .home-v2 [id] { scroll-margin-top: 118px; }
  .home-v2 .nav-inner {
    min-height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    padding: 9px 0 5px;
  }
  .home-v2 .nav-inner {
    position: relative;
    display: block;
    padding: 10px 0 0;
  }
  .home-v2 .brand {
    width: max-content;
    margin-bottom: 9px;
  }
  .home-v2 .nav-links {
    width: calc(100% + 40px);
    margin-left: -20px;
    padding: 0 20px 8px;
    display: grid;
    grid-template-columns: repeat(5, max-content);
    justify-content: space-between;
    gap: 10px;
    overflow: visible;
    scrollbar-width: none;
    border-top: 1px solid rgba(91,72,55,.07);
  }
  .home-v2 .nav-links::-webkit-scrollbar { display: none; }
  .home-v2 .nav-links a {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 2px 0 0;
    font-size: 12px;
    white-space: nowrap;
  }
  .home-v2 .nav-links a[aria-current="page"] {
    color: var(--ink);
    font-weight: 800;
  }
  .home-v2 .nav-links a[aria-current="page"]::after {
    right: 0;
  }
  .home-hero { padding-top: 50px; }
  .home-hero h1 { max-width: none; }
  .hero-note { line-height: 1.7; }
  .home-work { padding-top: 56px; }
  .pillar-list { margin-top: 28px; }
  .pillar {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
    padding: 28px 0 32px;
  }
  .pillar-index { font-size: 20px; }
  .pillar-label { overflow-wrap: anywhere; }
  .pillar h3 { font-size: 28px; }
  .pillar-copy > p { font-size: 16px; }
  .pillar-side {
    grid-column: 2;
    flex-direction: row;
    flex-wrap: wrap;
    padding-top: 0;
  }
  .link-row { flex-direction: column; }
  .featured-links,
  .resource-grid,
  .article-index { grid-template-columns: 1fr; }
  .featured-links a { min-height: auto; padding: 17px 2px; }
  .featured-links a + a {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .resource-card { min-height: 205px; padding: 20px; }
  .open-work-grid { grid-template-columns: 1fr; gap: 10px; margin-top: 26px; }
  .open-work-card { min-height: 205px; padding: 22px 20px; }
  .open-work-card strong { font-size: 27px; }
  .works-section-head { margin-top: 46px; padding-top: 26px; scroll-margin-top: 132px; }
  .works-section-head h2 { font-size: 30px; }
  .subsection-head { align-items: flex-start; }
  .subsection-head h4 { font-size: 21px; }
  .about-contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .contact-card { padding: 24px 20px; }
  .contact-panel {
    grid-template-columns: 1fr;
    padding: 18px;
  }
  .wechat-card {
    width: min(240px, 100%);
    margin: 0 auto;
  }
  .article-index-card { min-height: 190px; padding: 20px; }
}

/* About page narrative layout · 2026-09-21 */
.about-v2 [id] { scroll-margin-top: 94px; }
.about-hero {
  position: relative;
  padding: 92px 0 86px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.about-hero::after {
  content: "许";
  position: absolute;
  right: max(5vw, calc((100vw - 1120px) / 2));
  bottom: -48px;
  color: rgba(196,170,120,.12);
  font-family: var(--serif);
  font-size: 260px;
  line-height: 1;
  pointer-events: none;
}
.about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: 70px;
  align-items: end;
}
.about-hero h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 5.6vw, 70px);
}
.about-hero-note {
  padding: 26px 0 24px 26px;
  border-left: 1px solid var(--gold);
}
.about-hero-note span {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .14em;
}
.about-hero-note strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.65;
}
.about-section { padding: 88px 0; }
.about-two-col {
  display: grid;
  grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr);
  gap: 80px;
  align-items: start;
}
.about-section-heading h2 { margin-top: 14px; }
.about-copy {
  color: var(--ink-soft);
  font-size: 17px;
}
.about-copy p { margin: 0 0 20px; }
.about-copy blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  border-left: 2px solid var(--gold);
  background: rgba(255,252,245,.52);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.75;
}
.about-origin { background: rgba(255,252,245,.32); }
.about-story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
}
.story-card {
  min-height: 270px;
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255,252,245,.48);
}
.story-number {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 25px;
}
.story-card h3 {
  margin: 20px 0 12px;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
}
.story-card p { margin: 0; color: var(--muted); font-size: 15px; }
.about-position { background: rgba(238,227,210,.26); }
.role-list {
  margin: 26px 0 26px;
  border-top: 1px solid var(--line-strong);
}
.role-list div {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.role-list strong { color: var(--ink); }
.role-list span { color: var(--muted); }
.about-open { background: rgba(255,252,245,.32); }
.open-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 30px;
}
.open-links a {
  display: flex;
  min-height: 126px;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255,252,245,.58);
}
.open-links a:hover { color: var(--ink); background: rgba(255,252,245,.9); }
.open-links strong { font-family: var(--serif); font-size: 19px; }
.open-links span { color: var(--bluegray-deep); font-size: 13px; }
.about-work { border-top: 1px solid var(--line); }
.work-together-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .85fr);
  gap: 72px;
  align-items: start;
  margin-top: 30px;
}
.work-together-copy { max-width: 600px; color: var(--ink-soft); font-size: 17px; }
.contact-note { color: var(--muted); font-size: 14px; }

@media (max-width: 760px) {
  .about-v2 [id] { scroll-margin-top: 118px; }
  .about-hero { padding: 56px 0 50px; }
  .about-hero::after { right: 5px; bottom: -20px; font-size: 160px; }
  .about-hero-grid,
  .about-two-col,
  .work-together-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-hero h1 { max-width: none; font-size: clamp(34px, 9vw, 46px); }
  .about-hero-note { padding: 20px 0 4px 18px; }
  .about-hero-note strong { font-size: 19px; }
  .about-section { padding: 56px 0; }
  .about-copy { font-size: 16px; }
  .about-copy blockquote { padding: 15px 17px; font-size: 19px; }
  .about-story-grid,
  .open-links { grid-template-columns: 1fr; }
  .story-card { min-height: auto; padding: 20px; }
  .role-list div { grid-template-columns: 1fr; gap: 4px; }
  .work-together-grid { margin-top: 20px; }
}