:root {
  color-scheme: light;
  --bg: #f2f6fc; --surface: #fff; --surface-soft: #eaf0f8;
  --ink: #23334d; --muted: #596c86; --line: #d9e3f0;
  --accent: #386fba; --accent-soft: #e4edfa; --focus: #176cca;
  --hero-base: #e7f1fd; --hero-line: #7296c133;
  --hero-fade: linear-gradient(90deg,#e7f1fd 0%,#e7f1fd 30%,#e7f1fdf5 41%,#e7f1fd40 70%,#e7f1fd00);
  --shadow: 0 8px 32px #263c5c06;
  --mono: "SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
:root[data-theme=dark] {
  color-scheme: dark;
  --bg: #0c1425; --surface: #111e33; --surface-soft: #14223a;
  --ink: #e2ebf9; --muted: #a5b6ce; --line: #2d3d56;
  --accent: #9bc9ff; --accent-soft: #1b3251; --focus: #9bc9ff;
  --hero-base: #11213c; --hero-line: #9bc9ff33;
  --hero-fade: linear-gradient(90deg,#11213c 0%,#11213c 30%,#11213cf5 41%,#11213c40 70%,#11213c0d);
  --shadow: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #0c1425; --surface: #111e33; --surface-soft: #14223a;
    --ink: #e2ebf9; --muted: #a5b6ce; --line: #2d3d56;
    --accent: #9bc9ff; --accent-soft: #1b3251; --focus: #9bc9ff;
    --hero-base: #11213c; --hero-line: #9bc9ff33;
    --hero-fade: linear-gradient(90deg,#11213c 0%,#11213c 30%,#11213cf5 41%,#11213c40 70%,#11213c0d);
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size: 15px; line-height: 1.75; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button,a,summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible,button:focus-visible,summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; border-radius: 5px; }
::selection { background: var(--accent); color: var(--bg); }
[hidden] { display: none !important; }
h1,h2,h3,p { margin: 0; }
img { max-width: 100%; display: block; }
.shell { max-width: 1180px; margin-inline: auto; padding-inline: 30px; }
.site-header { max-width: 1180px; margin: auto; padding: 27px 30px; display: flex; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 23px; font-weight: 750; letter-spacing: -1px; }
.brand svg { width: 26px; height: 26px; fill: var(--accent); }
.brand-dot { color: var(--accent); margin-left: 3px; }
.brand-caption { font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: 2px; border-left: 1px solid var(--line); padding-left: 13px; margin-left: 3px; }
.site-header nav { margin-left: auto; display: flex; align-items: center; gap: 26px; color: var(--muted); font-size: 12px; }
.site-header nav a:hover,.text-link:hover,.site-footer a:hover { color: var(--accent); }
.nav-github { border-left: 1px solid var(--line); padding-left: 22px; }
.theme-toggle { display: flex; align-items: center; gap: 7px; padding: 7px 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: 11px; }
.theme-toggle:hover { border-color: var(--accent); }
.theme-icon { font-size: 18px; line-height: 1; }
.skip-link { position: fixed; top: 10px; left: 15px; transform: translateY(-200%); background: var(--surface); padding: 10px 20px; z-index: 20; }
.skip-link:focus { transform: none; }
.hero { isolation: isolate; position: relative; min-height: 516px; overflow: hidden; background: var(--hero-base); border: 1px solid var(--line); border-radius: 22px; }
.hero-art { position: absolute; inset: 0 0 0 38%; z-index: -3; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: 66% 43%; }
.hero-shade { position: absolute; inset: 0; z-index: -2; background: var(--hero-fade); }
.hero-content { position: relative; max-width: 660px; padding: 49px 50px 86px; }
.eyebrow { font-family: var(--mono); color: var(--muted); font-size: 10px; line-height: 1.5; font-weight: 500; letter-spacing: 1.7px; }
.hero .eyebrow { color: var(--accent); display: flex; align-items: center; gap: 10px; font-size: 9px; letter-spacing: 1.7px; }
.status-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent); }
.hero-greeting { margin-top: 26px; font-size: 19px; font-weight: 500; }
.hero-greeting span { color: var(--accent); font-size: 14px; margin-left: 9px; }
.hero h1 { margin-top: 11px; font-size: clamp(38px,4.5vw,54px); line-height: 1.38; letter-spacing: -1.8px; font-weight: 750; }
.hero h1>span { color: var(--accent); }
.hero-description { color: var(--muted); font-size: 12px; line-height: 1.95; margin-top: 18px; }
.hero-actions { display: flex; align-items: center; gap: 27px; margin-top: 26px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 24px; padding: 12px 19px; border-radius: 9px; font-size: 12px; font-weight: 600; transition: transform .2s,background .2s; }
.button-primary { background: var(--ink); color: var(--bg); }
.button:hover { background: var(--accent); transform: translateY(-2px); }
.text-link { color: var(--muted); font-size: 12px; white-space: nowrap; transition: color .2s; }
.text-link span { margin-left: 7px; }
.hero-bottom { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; gap: 12px; padding: 16px 27px; border-top: 1px solid var(--hero-line); background: color-mix(in srgb,var(--hero-base) 75%,transparent); backdrop-filter: blur(10px); font-size: 9px; letter-spacing: 1.8px; }
.hero-bottom>span:last-child { font-family: var(--mono); letter-spacing: 2px; }
.hero-spark { position: absolute; top: 32px; right: 33px; color: var(--accent); font-size: 22px; }
.orbit { position: absolute; border: 1px solid var(--hero-line); border-radius: 50%; pointer-events: none; z-index: -1; transform: rotate(-26deg); }
.orbit-one { width: 490px; height: 370px; right: -50px; top: 70px; }
.orbit-two { width: 540px; height: 410px; right: -75px; top: 50px; border-style: dashed; }
.section { margin-top: 80px; }
h2 { font-size: 28px; line-height: 1.5; font-weight: 700; letter-spacing: -.7px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 25px; }
.section-heading .eyebrow { margin-bottom: 10px; }
.section-description { color: var(--muted); font-size: 12px; margin-top: 9px; }
.section-heading>.text-link { margin-bottom: 4px; }
.small-star { margin-left: 12px; color: var(--accent); font-size: 20px; vertical-align: middle; }
.filter-bar { display: flex; gap: 6px; margin-bottom: 22px; border-bottom: 1px solid var(--line); padding-bottom: 15px; }
.filter-bar button { border: 1px solid transparent; background: transparent; border-radius: 7px; font-size: 12px; color: var(--muted); padding: 7px 14px; transition: color .2s,background .2s; }
.filter-bar button[aria-pressed=true] { background: var(--surface); color: var(--ink); border-color: var(--line); }
.filter-bar button:hover { color: var(--accent); }
.filter-bar button span { font-family: var(--mono); font-size: 10px; margin-left: 6px; color: var(--accent); }
.project-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 17px; }
.project-card { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); transition: transform .2s,border-color .2s; overflow: hidden; }
.project-card:hover { transform: translateY(-4px); border-color: var(--project-accent); }
.project-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: 1px; }
.project-kind { display: inline-flex; align-items: center; gap: 8px; }
.project-kind::before { content: ""; width: 17px; height: 2px; border-radius: 2px; background: var(--project-accent); }
.project-number { font-size: 10px; }
.project-symbol { position: relative; height: 75px; display: flex; align-items: center; margin-block: 7px 10px; color: var(--project-accent); }
.project-symbol svg { width: 52px; height: 52px; position: relative; z-index: 1; }
.symbol-orbit { position: absolute; width: 106px; height: 53px; border: 1px solid color-mix(in srgb,var(--project-accent) 22%,transparent); border-radius: 50%; left: -19px; top: 12px; transform: rotate(-25deg); }
.project-card h3 { font-size: 18px; line-height: 1.65; font-weight: 650; letter-spacing: -.4px; }
.project-card>p { flex: 1; margin: 10px 0 23px; font-size: 12px; line-height: 1.95; color: var(--muted); }
.project-footer { display: flex; justify-content: space-between; gap: 8px; align-items: center; border-top: 1px solid var(--line); padding-top: 13px; color: var(--muted); font-size: 10px; }
.project-footer>span:last-child { color: var(--accent); font-size: 18px; line-height: 1; }
details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 25px 0; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary .eyebrow { display: block; margin-bottom: 9px; }
.archive-indicator { font-size: 24px; font-weight: 300; color: var(--accent); transition: transform .2s; }
details[open]>summary .archive-indicator { transform: rotate(45deg); }
.project-directory { margin-top: 24px; }
.project-directory summary { padding: 23px 3px; }
.directory-title { font-size: 14px; }
.project-directory summary .eyebrow { font-size: 9px; margin-bottom: 5px; }
.directory-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 35px; border-top: 1px solid var(--line); padding-top: 8px; }
.directory-grid>a { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 3px; border-bottom: 1px solid var(--line); min-width: 0; }
.directory-grid>a:hover .directory-name { color: var(--accent); }
.directory-name { font-size: 13px; }
.directory-name small { display: block; margin-top: 3px; font-size: 10px; color: var(--muted); }
.directory-tag { color: var(--muted); font-size: 9px; white-space: nowrap; }
.directory-tag>span { margin-left: 7px; color: var(--accent); }
.directory-note { color: var(--muted); font-size: 10px; padding-block: 20px; }
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 85px; padding: 0 6px; }
.about-intro h2 { margin-top: 15px; }
.about-intro>p:not(.eyebrow) { color: var(--muted); margin-top: 19px; font-size: 13px; line-height: 2; max-width: 420px; }
.about-intro .text-link { display: inline-block; margin-top: 21px; }
.interests { padding-top: 5px; }
.interest { display: flex; align-items: flex-start; gap: 18px; padding: 21px 0; border-bottom: 1px solid var(--line); }
.interest:first-child { padding-top: 0; }
.interest:last-child { border: 0; }
.interest-icon { width: 29px; flex-shrink: 0; color: var(--accent); font-size: 26px; line-height: 1.4; text-align: center; }
.interest h3 { font-size: 14px; font-weight: 650; }
.interest p { font-size: 12px; line-height: 1.95; color: var(--muted); margin-top: 6px; }
.interest-number { font-family: var(--mono); color: var(--muted); opacity: .7; font-size: 10px; margin-left: auto; padding-top: 5px; }
.activity-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.data-panel { padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; min-width: 0; align-self: start; }
.panel-caption { display: block; color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: 1.5px; margin-bottom: 16px; }
.data-panel img { width: 100%; height: auto; border-radius: 12px; }
.activity-note { font-size: 11px; color: var(--muted); margin-top: 18px; text-align: center; line-height: 2; }
.activity-note a { color: var(--accent); margin-left: 12px; }
.archive-section { margin-top: 60px; }
.archive-title { display: block; font-size: 15px; font-weight: 550; }
.archive-hint { font-size: 11px; color: var(--muted); font-weight: 400; margin-left: 14px; }
.archive-content { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; border-top: 1px solid var(--line); padding: 30px 0; font-family: Consolas,"Noto Sans CJK SC",monospace; }
.archive-content h3 { font-size: 10px; color: var(--accent); letter-spacing: 1.5px; margin-bottom: 19px; }
.parameters { margin: 0; }
.parameters>div { display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px dashed var(--line); padding: 7px 0; font-size: 10px; }
.parameters dt { color: var(--muted); }
.parameters dd { margin: 0; text-align: right; }
.anomaly-log { list-style: none; padding: 0; margin: 0; }
.anomaly-log li { margin-bottom: 22px; border-left: 1px solid var(--line); padding-left: 15px; }
.anomaly-log span { font-size: 9px; letter-spacing: 1px; color: var(--accent); }
.anomaly-log p { color: var(--muted); font-size: 11px; margin-top: 5px; line-height: 1.9; }
.terminal-signature { font-size: 10px; color: var(--accent); letter-spacing: 1.5px; }
.closing { padding: 75px 0 68px; text-align: center; }
.closing-star { display: block; font-size: 26px; color: var(--accent); margin-bottom: 19px; }
.closing>p { font-size: 23px; font-weight: 500; letter-spacing: 1px; }
.closing .eyebrow { display: block; margin-top: 18px; font-size: 8px; letter-spacing: 2.5px; }
.mobile-break { display: none; }
.site-footer { display: flex; align-items: center; gap: 24px; border-top: 1px solid var(--line); padding-block: 25px 35px; font-size: 10px; color: var(--muted); }
.footer-name { color: var(--ink); font-size: 17px; font-weight: 650; }
.footer-name span { color: var(--accent); font-size: 16px; margin-left: 5px; }
.site-footer>a:nth-last-child(2) { margin-left: auto; }
.back-top { font-size: 9px; }
.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; }
.image-error { display: grid; place-items: center; min-height: 200px; background: var(--surface-soft); border-radius: 12px; padding: 24px; text-align: center; color: var(--muted); font-size: 12px; }
.image-error a { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 999px) {
  .project-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .about { gap: 40px; padding: 0; }
  .hero-content { padding-left: 35px; }
  .hero-art { left: 25%; }
  .hero h1 { font-size: 46px; }
  .site-header { gap: 20px; }
  .brand-caption { display: none; }
  .site-header nav { gap: 20px; }
  .nav-github { padding-left: 18px; }
  h2 { font-size: 25px; }
  .section { margin-top: 68px; }
  .archive-content { gap: 35px; }
}
@media (max-width: 640px) {
  .shell { padding-inline: 20px; }
  .site-header { padding: 20px; gap: 16px; }
  .brand { font-size: 22px; }
  .brand svg { width: 23px; }
  .site-header nav { gap: 19px; font-size: 11px; }
  .nav-github { display: none; }
  .theme-toggle { padding: 6px 8px; border-radius: 7px; }
  #theme-label { display: none; }
  .theme-icon { font-size: 19px; }
  .hero { min-height: 634px; border-radius: 16px; }
  .hero-art { inset: 0 0 43% 0; }
  .hero-art img { object-position: 70% 42%; }
  .hero-shade { background: linear-gradient(0deg,var(--hero-base) 0%,var(--hero-base) 43%,color-mix(in srgb,var(--hero-base) 95%,transparent) 51%,color-mix(in srgb,var(--hero-base) 16%,transparent) 79%,transparent); }
  .hero-content { padding: 254px 25px 80px; }
  .hero .eyebrow { font-size: 7px; letter-spacing: 1.25px; }
  .hero-greeting { margin-top: 17px; font-size: 17px; }
  .hero h1 { font-size: 36px; line-height: 1.4; letter-spacing: -1.1px; margin-top: 8px; }
  .hero-description { font-size: 11px; line-height: 1.95; margin-top: 13px; }
  .hero-actions { gap: 24px; margin-top: 22px; }
  .button { font-size: 11px; padding: 11px 15px; gap: 19px; }
  .hero-actions .text-link { font-size: 11px; }
  .hero-bottom { padding: 13px 17px; font-size: 8px; letter-spacing: .5px; }
  .hero-bottom>span:last-child { font-size: 7px; letter-spacing: .8px; }
  .hero-spark { top: 20px; right: 20px; }
  .orbit-one { width: 300px; height: 240px; top: 23px; right: -40px; }
  .orbit-two { width: 340px; height: 270px; top: 8px; right: -60px; }
  .section { margin-top: 55px; }
  h2 { font-size: 23px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 14px; margin-bottom: 21px; }
  .section-heading .eyebrow,.about-intro .eyebrow { font-size: 8px; letter-spacing: 1.2px; }
  .section-heading>.text-link { font-size: 11px; margin-bottom: 0; }
  .section-description { font-size: 11px; }
  .small-star { font-size: 17px; margin-left: 7px; }
  .filter-bar { gap: 1px; row-gap: 5px; flex-wrap: wrap; padding-bottom: 13px; }
  .filter-bar button { font-size: 10px; padding: 6px 10px; }
  .project-grid { grid-template-columns: 1fr; gap: 13px; }
  .project-card { padding: 22px; }
  .project-card h3 { font-size: 18px; }
  .project-card>p { margin-bottom: 20px; }
  .project-symbol { height: 61px; margin-block: 8px; }
  .project-symbol svg { width: 45px; height: 45px; }
  .symbol-orbit { width: 93px; height: 44px; top: 9px; }
  .project-directory { margin-top: 20px; }
  summary { padding-block: 23px; gap: 14px; }
  .directory-grid { grid-template-columns: 1fr; }
  .directory-grid>a { gap: 10px; }
  .directory-name { font-size: 12px; }
  .directory-name small { font-size: 9px; }
  .directory-tag { font-size: 8px; }
  .directory-note { font-size: 10px; }
  .about { grid-template-columns: 1fr; gap: 30px; padding-inline: 3px; }
  .about-intro h2 { margin-top: 12px; }
  .about-intro>p:not(.eyebrow) { font-size: 12px; margin-top: 16px; }
  .about-intro .text-link { margin-top: 15px; }
  .interest { padding: 20px 0; }
  .interest h3 { font-size: 13px; }
  .interest p { font-size: 11px; }
  .interest-icon { font-size: 23px; }
  .activity-grid { grid-template-columns: 1fr; gap: 14px; }
  .data-panel { padding: 16px; }
  .panel-caption { font-size: 8px; margin-bottom: 12px; }
  .activity-note { font-size: 10px; padding-inline: 8px; }
  .activity-note a { display: block; margin-left: 0; }
  .archive-section { margin-top: 38px; }
  .archive-title { font-size: 13px; }
  .archive-hint { display: block; margin: 5px 0 0; font-size: 10px; }
  summary .eyebrow { font-size: 8px; letter-spacing: 1px; }
  .archive-content { grid-template-columns: 1fr; gap: 30px; padding: 23px 0; }
  .closing { padding: 55px 0; }
  .closing>p { font-size: 20px; line-height: 1.9; }
  .closing-star { font-size: 23px; margin-bottom: 13px; }
  .closing .eyebrow { font-size: 7px; letter-spacing: 2px; }
  .site-footer { display: grid; grid-template-columns: 1fr auto; gap: 13px 12px; padding-block: 22px 28px; }
  .site-footer>span { font-size: 9px; grid-column: 1; grid-row: 2; }
  .site-footer>a:nth-last-child(2) { grid-column: 2; grid-row: 1; margin: 0; }
  .back-top { grid-column: 2; grid-row: 2; }
  .footer-name { font-size: 16px; }
}
@media (max-width: 360px) {
  .site-header { gap: 12px; padding-inline: 16px; }
  .site-header nav { gap: 14px; }
  .shell { padding-inline: 16px; }
  .hero-content { padding-inline: 21px; }
  .hero h1 { font-size: 32px; }
  .hero-bottom>span:last-child { display: none; }
  .filter-bar button { padding-inline: 8px; }
  .mobile-break { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation: none !important; transition: none !important; }
}