@charset "UTF-8";
:root {
  --paper:#f8f9f5;
  --white:#fff;
  --ink:#253d34;
  --muted:#728078;
  --line:#e0e6dc;
  --green:#315b47;
  --soft:#edf1e5;
  --serif:Georgia,"Noto Serif SC","Songti SC",SimSun,serif;
  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}

* {
  box-sizing:border-box;
}

html {
  scroll-behavior:smooth;
  scroll-padding-top:105px;
}

body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}

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

button,input {
  font:inherit;
}

button,a,input {
  -webkit-tap-highlight-color:transparent;
}

button {
  cursor:pointer;
}

a:focus-visible,button:focus-visible,input:focus-visible,pre:focus-visible {
  outline:2px solid var(--green);
  outline-offset:5px;
}

::selection {
  background:#dce8c6;
}

h1,h2,h3,p {
  margin-top:0;
}

main:focus {
  outline:none;
}

.skip-link {
  position:fixed;
  left:15px;
  top:-80px;
  z-index:30;
  background:var(--ink);
  color:#fff;
  padding:15px;
}

.skip-link:focus {
  top:10px;
}

.site-header {
  border-bottom:1px solid var(--line);
  background:var(--paper);
}

.header-inner {
  max-width:1240px;
  padding:0 40px;
  min-height:100px;
  margin:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand {
  display:flex;
  align-items:center;
  gap:12px;
  font-size:20px;
  font-weight:650;
  letter-spacing:-.7px;
}

.brand-mark {
  width:42px;
  height:42px;
  background:var(--ink);
  color:#eef1df;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font:32px var(--serif);
  position:relative;
  padding-right:7px;
}

.brand-mark span {
  position:absolute;
  font:18px var(--sans);
  right:6px;
  top:4px;
}

.brand-sub {
  display:block;
  font-size:10px;
  font-weight:400;
  letter-spacing:2px;
  color:var(--muted);
  margin-top:4px;
}

.site-header nav {
  display:flex;
  align-items:center;
  gap:32px;
  align-self:stretch;
}

.site-header nav a {
  display:flex;
  align-items:center;
  color:#788178;
  font-size:13px;
  border-bottom:2px solid transparent;
  padding-top:2px;
}

.site-header nav a[aria-current=page] {
  color:var(--ink);
  border-color:var(--ink);
}

.header-note {
  font-size:11px;
  color:var(--muted);
}

.header-note span {
  font-size:19px;
  margin-left:10px;
}

.page-shell {
  max-width:1240px;
  margin:0 auto;
  padding:0 40px;
}

.hero {
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:45px;
  padding:73px 0 66px;
  align-items:center;
  border-bottom:1px solid var(--line);
}

.eyebrow {
  font-size:10px;
  font-weight:600;
  letter-spacing:1.6px;
  line-height:1.6;
  color:var(--muted);
}

.status-dot {
  display:inline-block;
  width:6px;
  height:6px;
  background:#76955d;
  border-radius:50%;
  margin-right:9px;
  vertical-align:middle;
}

.hero h1 {
  font-family:var(--serif);
  font-size:clamp(32px,3.45vw,46px);
  font-weight:500;
  letter-spacing:1px;
  line-height:1.65;
  margin:24px 0 22px;
}

.hero-emphasis {
  color:#668457;
}

.hero-description {
  color:var(--muted);
  font-size:13px;
  line-height:2;
  margin-bottom:29px;
}

.primary-link {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:22px;
  background:var(--green);
  color:#fff;
  border:1px solid var(--green);
  padding:13px 22px;
  border-radius:5px;
  font-size:12px;
  transition:background .2s;
}

.primary-link:hover {
  background:#214332;
}

.primary-link span {
  font-size:19px;
}

.hero-caption {
  font-size:10px;
  color:#849081;
  margin-left:19px;
  letter-spacing:1px;
}

.hero-art {
  position:relative;
  height:332px;
  background:#eef1e6;
  border:1px solid #e1e7d8;
  border-radius:7px;
  overflow:hidden;
}

.art-grid {
  position:absolute;
  inset:0;
  background-image:linear-gradient(#cad2c040 1px,transparent 1px),linear-gradient(90deg,#cad2c040 1px,transparent 1px);
  background-size:23px 23px;
  mask-image:linear-gradient(black,transparent);
}

.art-label {
  position:absolute;
  top:20px;
  left:22px;
  font:9px monospace;
  letter-spacing:1.8px;
  color:#8a967b;
}

.code-paper {
  position:absolute;
  top:36px;
  left:11%;
  width:76%;
  border:1px solid #dee4d6;
  background:#fcfcf8;
  box-shadow:6px 9px 0 #dfe5d6,0 14px 25px #5263410b;
  transform:rotate(-3deg);
  border-radius:5px;
  padding:18px 22px;
}

.paper-top {
  display:flex;
  justify-content:space-between;
  border-bottom:1px solid var(--line);
  padding-bottom:12px;
  font:10px monospace;
  color:#738263;
}

.code-paper pre {
  font:11px/1.5 "SFMono-Regular",Consolas,monospace;
  color:#536451;
  margin:12px 0;
}

.code-muted {
  color:#9aab8c;
}

.code-green {
  color:#4b7253;
}

.code-orange {
  color:#b18452;
}

.paper-bottom {
  font-size:9px;
  color:#8a977e;
  border-top:1px solid var(--line);
  padding-top:11px;
}

.art-seal {
  position:absolute;
  right:20px;
  bottom:37px;
  width:57px;
  height:57px;
  border:1px solid #a3b18f;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font:11px/1.5 var(--serif);
  color:#72875d;
  transform:rotate(10deg);
  background:#eef1e6;
}

.art-bottom {
  position:absolute;
  bottom:12px;
  left:22px;
  font:8px monospace;
  letter-spacing:1.5px;
  color:#879776;
}

.content-layout {
  display:grid;
  grid-template-columns:minmax(0,1fr) 245px;
  gap:47px;
  padding:43px 0 58px;
}

.section-heading {
  display:flex;
  align-items:center;
  gap:13px;
  margin-bottom:22px;
}

.section-heading h2 {
  font-size:20px;
  letter-spacing:.3px;
  margin:0;
  font-weight:550;
}

.count-label {
  font-size:10px;
  color:#899480;
  border:1px solid var(--line);
  padding:3px 8px;
  border-radius:20px;
}

.filter-toolbar {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-bottom:24px;
}

.filter-tabs {
  display:flex;
  gap:4px;
  flex-wrap:wrap;
}

.filter-tabs a {
  font-size:11px;
  color:var(--muted);
  padding:7px 10px;
  border-radius:4px;
}

.filter-tabs a.selected {
  background:#e7eddf;
  color:var(--green);
}

.filter-tabs a:hover {
  background:var(--soft);
}

.search-form {
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
  max-width:200px;
}

.search-form input {
  width:120px;
  background:transparent;
  border:0;
  padding:7px 2px;
  color:var(--ink);
  font-size:11px;
  min-width:0;
}

.search-form input::placeholder {
  color:#909a8a;
}

.search-form button {
  border:0;
  background:transparent;
  color:var(--green);
  font-size:10px;
  padding:7px;
}

.notes-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:19px;
}

.note-card {
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:24px 23px 16px;
  transition:transform .2s,border-color .2s;
}

.note-card:hover {
  transform:translateY(-3px);
  border-color:#9eaf95;
}

.card-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:19px;
}

.card-top .eyebrow {
  font-size:9px;
  letter-spacing:1.2px;
  color:#759266;
}

.note-index {
  font:11px var(--serif);
  color:#aab2a2;
}

.note-card h3 {
  font-size:18px;
  font-weight:550;
  line-height:1.7;
  letter-spacing:.2px;
  margin:0 0 12px;
}

.card-title::after {
  content:"";
  position:absolute;
  inset:0;
}

.card-summary {
  font-size:12px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:21px;
}

.card-bottom {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:5px;
  margin-top:auto;
  margin-bottom:19px;
}

.tags {
  display:flex;
  gap:6px;
  flex-wrap:wrap;
}

.tags span {
  font-size:9px;
  background:#f3f5ef;
  color:#7d8b73;
  padding:4px 6px;
  border-radius:3px;
}

.card-arrow {
  color:#718568;
  font-size:19px;
}

.article-meta {
  display:flex;
  gap:6px;
  flex-wrap:wrap;
  align-items:center;
  font-size:9px;
  color:#8c9787;
}

.note-card .article-meta {
  border-top:1px solid #edf0e9;
  padding-top:13px;
}

.note-card .article-meta .category-label,.note-card .article-meta .meta-dot:nth-child(2) {
  display:none;
}

.list-end {
  color:#a0a995;
  font-size:10px;
  text-align:center;
  margin:29px 0 0;
  letter-spacing:1px;
}

.sidebar {
  padding-top:1px;
}

.about-card {
  background:#edf1e5;
  border-radius:6px;
  padding:24px;
  position:relative;
}

.little-star {
  position:absolute;
  right:20px;
  top:17px;
  color:#98a87f;
  font-size:27px;
}

.about-card .eyebrow {
  font-size:9px;
  letter-spacing:1.4px;
}

.about-card h3 {
  font:25px/1.6 var(--serif);
  margin:21px 0 15px;
}

.about-card>p:not(.eyebrow) {
  font-size:11px;
  line-height:2;
  color:#7c8871;
}

.text-link {
  font-size:11px;
  color:#4e6c43;
  display:inline-block;
  padding:5px 0;
}

.text-link:hover {
  text-decoration:underline;
}

.sidebar-topics {
  margin-top:30px;
}

.sidebar-topics h3 {
  font-size:13px;
  font-weight:550;
  margin-bottom:9px;
}

.topic-row {
  display:flex;
  align-items:center;
  gap:12px;
  padding:15px 1px;
  border-bottom:1px solid var(--line);
  font-size:11px;
}

.topic-number {
  font:10px monospace;
  color:#a2ad97;
}

.topic-arrow {
  margin-left:auto;
  color:#8b9b80;
}

.margin-note {
  display:flex;
  align-items:center;
  gap:12px;
  color:#9aa78e;
  margin:27px 0;
}

.margin-note>span {
  font-size:29px;
}

.margin-note p {
  font-size:10px;
  line-height:1.9;
  margin:0;
}

.site-footer {
  border-top:1px solid var(--line);
  background:#f2f4ed;
}

.footer-inner {
  max-width:1240px;
  margin:auto;
  padding:33px 40px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  grid-template-areas:"brand filing meta";
  align-items:center;
  gap:25px;
}

.footer-identity {
  grid-area:brand;
  min-width:0;
}

.footer-brand {
  font-size:15px;
  font-weight:550;
}

.footer-brand span {
  margin-left:7px;
  color:#879578;
}

.footer-inner p {
  font-size:10px;
  color:#919c86;
  margin:10px 0 0;
  line-height:1.8;
}

.footer-meta {
  grid-area:meta;
  min-width:0;
  text-align:right;
  font-size:10px;
  color:#84917a;
  line-height:2;
}

.footer-meta p {
  margin:0;
}

.footer-meta a:hover, #filing a:hover {
  text-decoration:underline;
}

.footer-links {
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:4px 16px;
}

.report-email {
  color:var(--green);
  text-decoration:underline;
  text-underline-offset:3px;
  overflow-wrap:anywhere;
}

#filing {
  grid-area:filing;
  min-width:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.8;
  color:var(--muted);
  overflow-wrap:anywhere;
  gap:4px 15px;
}

.page-intro {
  padding:60px 0 12px;
}

.page-intro h1,.standalone-page h1 {
  font:40px/1.5 var(--serif);
  margin:16px 0;
}

.page-intro>p:last-child,.page-lead {
  color:var(--muted);
  font-size:14px;
  line-height:2;
}

.standalone-page {
  padding-top:65px;
  padding-bottom:85px;
  min-height:70vh;
}

.topics-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:42px;
}

.topic-card {
  border:1px solid var(--line);
  border-radius:6px;
  padding:30px;
  background:white;
  transition:transform .2s;
}

.topic-card:hover {
  transform:translateY(-4px);
}

.topic-card h2 {
  font:26px var(--serif);
  margin:24px 0 16px;
}

.topic-card p {
  line-height:1.9;
  color:var(--muted);
  font-size:13px;
}

.about-page {
  max-width:900px;
}

.about-body {
  margin:42px 0 25px;
}

.about-body section {
  padding:24px 0;
  border-top:1px solid var(--line);
}

.about-body h2 {
  font-size:20px;
  font-weight:550;
}

.about-body p {
  color:#687769;
  line-height:2.1;
  font-size:14px;
}

.reading-shell {
  padding-top:38px;
  padding-bottom:80px;
}

.back-link {
  font-size:12px;
  color:var(--muted);
}

.reading-header {
  max-width:850px;
  padding:43px 0 34px;
}

.reading-header .article-meta {
  font-size:11px;
  gap:10px;
}

.category-label {
  color:var(--green);
}

.reading-header h1 {
  font:38px/1.55 var(--serif);
  margin:21px 0;
}

.reading-summary {
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  margin:0;
}

.reading-layout {
  display:grid;
  grid-template-columns:minmax(0,760px) 1fr;
  gap:65px;
  border-top:1px solid var(--line);
}

.prose section {
  margin:38px 0;
}

.prose h2 {
  font-size:22px;
  font-weight:550;
  line-height:1.6;
  margin-bottom:19px;
}

.prose p {
  font-size:15px;
  color:#536458;
  line-height:2.15;
  overflow-wrap:anywhere;
  margin-bottom:16px;
}

.code-block {
  border:1px solid #dfe5d8;
  border-radius:6px;
  background:#f0f3e9;
  margin:25px 0;
  overflow:hidden;
}

.code-toolbar {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:11px 19px;
  border-bottom:1px solid #dfe5d8;
  color:#819075;
  font:11px monospace;
}

.code-toolbar button {
  border:0;
  background:transparent;
  color:#657d54;
  font-size:10px;
}

.code-block pre {
  margin:0;
  padding:22px;
  overflow:auto;
  max-width:100%;
  font:13px/1.8 "SFMono-Regular",Consolas,monospace;
  tab-size:2;
}

.toc {
  position:sticky;
  top:35px;
  align-self:start;
  margin-top:40px;
  border-left:1px solid var(--line);
  padding-left:24px;
}

.toc a {
  display:block;
  color:#7e8d74;
  font-size:11px;
  line-height:1.8;
  margin:15px 0;
}

.toc a:hover {
  color:var(--green);
}

.article-ending {
  border-top:1px solid var(--line);
  padding-top:28px;
  margin-top:40px;
}

.article-ending p {
  font-family:var(--serif);
  color:#8b9a7d;
}

.empty-state {
  grid-column:1/-1;
  border:1px dashed var(--line);
  border-radius:6px;
  padding:45px 24px;
  text-align:center;
}

.empty-state h3 {
  font-size:18px;
  font-weight:500;
}

.empty-state p {
  font-size:12px;
  color:var(--muted);
}

.error-state {
  padding-top:100px;
  padding-bottom:100px;
  min-height:70vh;
}

.error-state h1 {
  font:34px var(--serif);
}

.error-state>p {
  color:var(--muted);
  line-height:2;
}

.error-state .text-link {
  margin:20px;
}

.loading {
  padding-top:150px;
  padding-bottom:150px;
  color:var(--muted);
}

@media(min-width:1000px) {
  .note-card {
    display:flex;
    flex-direction:column;
  }
  .card-summary {
    flex:1;
  }
}

@media(max-width:1050px) {
  .header-note {
    display:none;
  }
  .hero {
    gap:25px;
  }
  .hero-caption {
    display:block;
    margin:17px 0 0;
  }
  .content-layout {
    gap:25px;
    grid-template-columns:minmax(0,1fr) 220px;
  }
  .filter-toolbar {
    align-items:flex-start;
  }
  .reading-layout {
    gap:35px;
  }
  .note-card {
    padding:20px 18px;
  }
}

@media(max-width:760px) {
  .header-inner {
    min-height:100px;
    padding:19px 22px 0;
    flex-wrap:wrap;
    gap:15px;
  }
  .brand {
    font-size:18px;
  }
  .brand-mark {
    width:35px;
    height:35px;
    font-size:26px;
  }
  .brand-sub {
    font-size:9px;
  }
  .site-header nav {
    width:100%;
    gap:28px;
    height:38px;
  }
  .site-header nav a {
    font-size:12px;
    padding-bottom:9px;
  }
  .page-shell {
    padding-left:22px;
    padding-right:22px;
  }
  .hero {
    grid-template-columns:1fr;
    padding:42px 0 35px;
    gap:33px;
  }
  .hero h1 {
    font-size:34px;
    margin-top:19px;
  }
  .hero-description {
    font-size:12px;
  }
  .hero-caption {
    display:inline-block;
    margin-left:13px;
  }
  .hero-art {
    height:300px;
    max-width:460px;
    width:100%;
    justify-self:center;
  }
  .code-paper {
    top:24px;
  }
  .content-layout {
    grid-template-columns:1fr;
    padding-top:32px;
    gap:34px;
  }
  .notes-grid {
    gap:14px;
  }
  .sidebar {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
  }
  .sidebar-topics {
    margin-top:8px;
  }
  .margin-note {
    display:none;
  }
  .about-card {
    padding:20px;
  }
  .about-card h3 {
    font-size:22px;
  }
  .card-summary {
    font-size:11px;
  }
  .note-card h3 {
    font-size:17px;
  }
  .card-top {
    margin-bottom:14px;
  }
  .footer-inner {
    padding:28px 22px;
    grid-template-columns:minmax(0,1fr);
    grid-template-areas:"brand" "meta" "filing";
    text-align:center;
    gap:18px;
  }
  .footer-meta {
    text-align:center;
  }
  .footer-links {
    justify-content:center;
  }
  .footer-inner p {
    font-size:9px;
  }
  .reading-layout {
    grid-template-columns:1fr;
    gap:0;
  }
  .toc {
    display:none;
  }
  .reading-header h1 {
    font-size:29px;
  }
  .reading-header {
    padding-top:30px;
  }
  .prose p {
    font-size:14px;
  }
  .prose h2 {
    font-size:21px;
  }
  .page-intro {
    padding-top:40px;
  }
  .page-intro h1,.standalone-page h1 {
    font-size:33px;
  }
  .topics-grid {
    grid-template-columns:1fr;
    gap:16px;
    margin-top:30px;
  }
  .topic-card {
    padding:24px;
  }
  .standalone-page {
    padding-top:42px;
    padding-bottom:55px;
  }
}

@media(max-width:440px) {
  .notes-grid {
    grid-template-columns:1fr;
  }
  .hero h1 {
    font-size:29px;
    letter-spacing:0;
  }
  .hero-caption {
    font-size:9px;
  }
  .eyebrow {
    font-size:9px;
  }
  .hero-art {
    height:290px;
  }
  .code-paper {
    width:80%;
    left:8%;
    padding:16px 18px;
  }
  .code-paper pre {
    font-size:11px;
  }
  .sidebar {
    grid-template-columns:1fr;
  }
  .sidebar-topics {
    margin-top:0;
  }
  .about-card h3 br {
    display:none;
  }
  .about-card h3 {
    margin:15px 0;
  }
  .filter-toolbar {
    gap:10px;
  }
  .filter-tabs a {
    padding:7px 8px;
  }
  .search-form {
    max-width:none;
    width:100%;
  }
  .search-form input {
    flex:1;
    padding:10px 2px;
  }
  .section-heading h2 {
    font-size:19px;
  }
  .list-end {
    font-size:9px;
  }
  .reading-header h1 {
    font-size:27px;
  }
  .code-block pre {
    font-size:12px;
    padding:16px;
  }
}

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