:root {
  --ink: #0d0d1a;
  --paper: #f8f7ff;
  --white: #fffdfc;
  --pink: #ff3af2;
  --mint: #00f5d4;
  --yellow: #ffe600;
  --orange: #ff6b35;
  --violet: #7b2fff;
  --line: 3px solid var(--white);
  --shadow-pink: 8px 8px 0 var(--pink);
  --shadow-mint: 8px 8px 0 var(--mint);
  --shadow-yellow: 8px 8px 0 var(--yellow);
  --shadow-orange: 8px 8px 0 var(--orange);
  --shadow-violet: 8px 8px 0 var(--violet);
  --space-1: .5rem;
  --space-2: .9rem;
  --space-3: 1.25rem;
  --space-4: 2rem;
  --space-5: clamp(2.5rem, 7vw, 6rem);
  --display: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  --body: "Trebuchet MS", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--ink); scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 0;
  color: var(--white);
  background-color: var(--ink);
  font-family: var(--body);
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255, 58, 242, .22) 1px, transparent 1.5px),
    repeating-linear-gradient(135deg, transparent 0 22px, rgba(0, 245, 212, .08) 23px 25px, transparent 26px 48px);
  background-size: 22px 22px, auto;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: .32;
  background: repeating-linear-gradient(90deg, transparent 0 9px, rgba(255, 230, 0, .08) 10px 11px);
  mix-blend-mode: screen;
}

a {
  color: var(--white);
  text-decoration-thickness: .16em;
  text-underline-offset: .18em;
}

a:hover { color: var(--yellow); }

:where(a, button, [tabindex]):focus-visible {
  outline: 4px solid var(--yellow);
  outline-offset: 5px;
  box-shadow: 0 0 0 8px var(--ink), 0 0 0 11px var(--pink);
}

.hero,
.page-shell,
.site-nav,
footer { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 52vh;
  display: grid;
  align-content: center;
  padding: var(--space-5) 0;
}

.hero::before {
  position: absolute;
  top: 1rem;
  left: -2vw;
  z-index: -1;
  content: "系统";
  color: transparent;
  font: 900 clamp(5rem, 23vw, 17rem)/.75 var(--display);
  letter-spacing: -.08em;
  -webkit-text-stroke: 2px rgba(255, 58, 242, .28);
  transform: rotate(-6deg);
  pointer-events: none;
}

.hero p:first-child { color: var(--mint); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero h1 { margin: 0; color: var(--white); font: 900 clamp(4rem, 15vw, 10rem)/.9 var(--display); letter-spacing: -.05em; text-shadow: 7px 7px 0 var(--pink), 14px 14px 0 var(--violet); }
.hero h1 + p { margin: 1.5rem 0 .6rem; color: var(--yellow); font-size: clamp(1.2rem, 3vw, 2rem); font-weight: 900; }
.hero #summary { max-width: 55ch; font-size: clamp(1rem, 2vw, 1.25rem); }
.job-status { display: inline-flex; width: fit-content; max-width: 100%; margin: .25rem 0 0; padding: .4rem .75rem; border: 2px dashed var(--mint); background: rgba(0, 245, 212, .12); color: var(--white); font-weight: 800; }

.hero p:last-child { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.8rem; }
.hero p:last-child a,
#pdf-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: .65rem 1rem;
  border: var(--line);
  background: var(--pink);
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
  box-shadow: 5px 5px 0 var(--yellow);
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.hero p:last-child a + a { background: var(--mint); box-shadow: 5px 5px 0 var(--orange); }
.hero p:last-child a:hover, #pdf-links a:hover { color: var(--ink); transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--yellow); }
.hero p:last-child a:active, #pdf-links a:active { transform: translate(5px, 5px); box-shadow: 0 0 0 var(--yellow); }

.site-nav { display: flex; flex-wrap: wrap; gap: .55rem; padding: 1rem 0 2rem; border-top: 2px solid var(--mint); border-bottom: 2px solid var(--pink); }
.site-nav a { min-height: 44px; display: inline-flex; align-items: center; padding: .45rem .8rem; border: 2px solid var(--white); color: var(--white); font-weight: 800; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease; }
.site-nav a:hover { color: var(--white); background: rgba(255, 255, 255, .1); transform: translate(-2px, -2px); box-shadow: 4px 4px 0 currentColor; }
.site-nav a:active { transform: translate(2px, 2px); box-shadow: 0 0 0 currentColor; }
.site-nav a:nth-child(5n + 1) { border-color: var(--pink); }
.site-nav a:nth-child(5n + 2) { border-color: var(--mint); }
.site-nav a:nth-child(5n + 3) { border-color: var(--yellow); }
.site-nav a:nth-child(5n + 4) { border-color: var(--orange); }
.site-nav a:nth-child(5n + 5) { border-color: var(--violet); }

.page-shell { display: grid; gap: var(--space-4); padding: var(--space-4) 0 var(--space-5); }
.content-section { position: relative; padding: clamp(1.25rem, 4vw, 2.5rem); border: 3px solid var(--white); background: rgba(13, 13, 26, .92); box-shadow: var(--shadow-pink); }
.content-section:nth-of-type(5n + 2) { border-color: var(--mint); box-shadow: var(--shadow-mint); transform: rotate(.7deg); }
.content-section:nth-of-type(5n + 3) { border-color: var(--yellow); box-shadow: var(--shadow-yellow); transform: rotate(-.5deg); }
.content-section:nth-of-type(5n + 4) { border-color: var(--orange); box-shadow: var(--shadow-orange); transform: rotate(.4deg); }
.content-section:nth-of-type(5n + 5) { border-color: var(--violet); box-shadow: var(--shadow-violet); transform: rotate(-.7deg); }
.content-section h2 { margin: 0 0 1.2rem; color: var(--yellow); font: 900 clamp(1.9rem, 5vw, 3.3rem)/1 var(--display); letter-spacing: .02em; text-transform: uppercase; }
.content-section ul { margin: 0; padding-left: 1.35rem; }
.content-section li::marker { color: var(--pink); }

.skills-section ul { columns: 2 16rem; column-gap: 2.2rem; }
.skills-section li { break-inside: avoid; margin-bottom: .55rem; }
.timeline { position: relative; margin: 0; padding: 0 0 0 1.4rem; list-style: none; border-left: 3px dashed var(--mint); }
.timeline > li { position: relative; }
.timeline > li::before { position: absolute; top: 1.8rem; left: -1.9rem; width: .75rem; height: .75rem; border: 3px solid var(--ink); border-radius: 50%; background: var(--yellow); content: ""; }
.experience-card, .demo-card { margin: 1.3rem 0; padding: 1rem; border: 2px solid var(--white); background: rgba(123, 47, 255, .18); }
.demo-card { transition: transform .18s ease, box-shadow .18s ease; }
.demo-card:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--mint); }
.demo-card:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--mint); }
.experience-card:nth-of-type(5n + 2), .demo-card:nth-of-type(5n + 2) { background: rgba(0, 245, 212, .13); }
.experience-card h3, .demo-card h3 { margin: 0; color: var(--mint); font-size: 1.25rem; }
.experience-card p, .demo-card p { margin: .35rem 0 .8rem; color: var(--white); }
.demo-card dl { display: grid; grid-template-columns: max-content 1fr; gap: .35rem .8rem; margin: 1rem 0; }
.demo-card dt { color: var(--yellow); font-weight: 900; }
.demo-card dd { margin: 0; }
.demo-card h4 { margin: 1rem 0 .35rem; color: var(--pink); }

video { display: block; width: 100%; max-height: 28rem; margin-top: 1rem; border: 2px solid var(--orange); background: #000; }
.work-grid { display: grid; gap: 1.25rem 2.5rem; }
.work-card { display: grid; min-height: 14rem; padding: 1.5rem; align-content: space-between; border: 4px solid var(--orange); background: linear-gradient(135deg, var(--violet), var(--pink)); box-shadow: 8px 8px 0 var(--mint), 16px 16px 0 var(--yellow); color: var(--white); transform: rotate(-1deg); }
.work-card:nth-child(even) { border-color: var(--mint); background: linear-gradient(135deg, var(--orange), var(--violet)); box-shadow: 8px 8px 0 var(--yellow), 16px 16px 0 var(--pink); transform: rotate(1deg); }
.work-card h3 { max-width: 14ch; margin: 0; font: 900 clamp(1.8rem, 4vw, 3.2rem)/.95 var(--display); text-shadow: 3px 3px 0 var(--ink); }
.work-card > p { margin: .75rem 0 0; font-weight: 800; }
.work-card a { display: inline-flex; min-height: 44px; align-items: center; padding: .5rem .75rem; border: 2px solid var(--white); color: var(--white); text-decoration: none; }
.work-card a:hover { color: var(--ink); background: var(--yellow); }
.work-card a:active { transform: translate(2px, 2px); }

.table-scroll { max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; border: 2px solid var(--pink); }
table { width: 100%; min-width: 620px; border-collapse: collapse; background: rgba(13, 13, 26, .85); }
th, td { padding: .8rem; border: 1px solid rgba(255, 255, 255, .35); text-align: left; vertical-align: top; }
th { color: var(--ink); background: var(--yellow); }
tbody tr:nth-child(even) { background: rgba(255, 58, 242, .1); }

footer { padding: 0 0 3rem; color: var(--mint); }
footer a { display: inline-block; color: var(--white); font-weight: 800; transition: transform .18s ease, text-decoration-thickness .18s ease; }
footer a:active { color: var(--white); transform: translateY(2px); text-decoration-thickness: .28em; }

.games-hero,
.games-main { width: min(1200px, calc(100% - 2rem)); margin-inline: auto; }
.games-hero { padding: clamp(2rem, 7vw, 5rem) 0 2rem; }
.back-home { display: inline-flex; min-height: 44px; align-items: center; padding: .45rem .8rem; border: 2px solid var(--mint); color: var(--mint); font-weight: 900; text-decoration: none; }
.back-home:hover { color: var(--ink); background: var(--mint); }
.games-eyebrow { margin: 2rem 0 .4rem; color: var(--pink); font-weight: 900; letter-spacing: .12em; }
.games-hero h1 { margin: 0; color: var(--white); font: 900 clamp(3.5rem, 12vw, 8rem)/.9 var(--display); text-shadow: 6px 6px 0 var(--pink), 12px 12px 0 var(--violet); }
.games-hero > p:not(.games-eyebrow) { margin: 1rem 0 1.5rem; color: var(--yellow); font-size: clamp(1rem, 2vw, 1.3rem); font-weight: 800; }
.genre-jump { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.genre-jump a { display: inline-flex; min-height: 42px; align-items: center; padding: .35rem .7rem; border: 2px solid var(--white); font-weight: 800; text-decoration: none; }
.genre-jump a:nth-child(5n + 1) { border-color: var(--pink); }
.genre-jump a:nth-child(5n + 2) { border-color: var(--mint); }
.genre-jump a:nth-child(5n + 3) { border-color: var(--yellow); }
.genre-jump a:nth-child(5n + 4) { border-color: var(--orange); }
.genre-jump a:nth-child(5n + 5) { border-color: var(--violet); }
.genre-jump a:hover { color: var(--ink); background: var(--yellow); }
.games-main { padding: 1.5rem 0 var(--space-5); }
.genre-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-flow: dense; gap: clamp(1.25rem, 3vw, 2.5rem); align-items: start; }
.genre-table { scroll-margin-top: 1.5rem; padding: clamp(1rem, 2.4vw, 1.5rem); border: 3px solid var(--pink); background: rgba(13, 13, 26, .94); box-shadow: 7px 7px 0 var(--pink); }
.genre-table--wide { grid-column: span 7; }
.genre-table--medium { grid-column: span 5; }
.genre-table--compact { grid-column: span 4; }
.genre-table h2 { margin: 0 0 .85rem; color: var(--yellow); font: 900 clamp(1.8rem, 4vw, 3rem)/1 var(--display); letter-spacing: .04em; }
.genre-table table { width: 100%; min-width: 0; table-layout: fixed; background: rgba(13, 13, 26, .72); }
.genre-table th,
.genre-table td { padding: .65rem .75rem; border: 1px solid rgba(255, 255, 255, .35); overflow-wrap: anywhere; }
.genre-table th:last-child,
.genre-table td:last-child { width: 31%; white-space: nowrap; }
.genre-table:nth-child(5n + 2) { border-color: var(--mint); box-shadow: 7px 7px 0 var(--mint); transform: rotate(.45deg); }
.genre-table:nth-child(5n + 3) { border-color: var(--yellow); box-shadow: 7px 7px 0 var(--yellow); transform: rotate(-.4deg); }
.genre-table:nth-child(5n + 4) { border-color: var(--orange); box-shadow: 7px 7px 0 var(--orange); transform: rotate(.35deg); }
.genre-table:nth-child(5n + 5) { border-color: var(--violet); box-shadow: 7px 7px 0 var(--violet); transform: rotate(-.35deg); }
.genre-table:nth-child(5n + 2) h2 { color: var(--mint); }
.genre-table:nth-child(5n + 3) h2 { color: var(--pink); }
.genre-table:nth-child(5n + 4) h2 { color: var(--orange); }
.genre-table:nth-child(5n + 5) h2 { color: #b898ff; }
.game-history-intro > p { max-width: 45ch; font-size: 1.1rem; }
.game-history-button { display: inline-flex; min-height: 48px; align-items: center; padding: .65rem 1rem; border: 3px solid var(--white); background: var(--pink); color: var(--ink); font-weight: 900; text-decoration: none; box-shadow: 5px 5px 0 var(--yellow); transition: transform .18s ease, box-shadow .18s ease; }
.game-history-button:hover { color: var(--ink); transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--yellow); }
.game-history-button:active { transform: translate(5px, 5px); box-shadow: none; }
.resume-section > p { max-width: 45ch; font-size: 1.1rem; }
.resume-button { display: inline-flex; min-height: 48px; align-items: center; padding: .65rem 1rem; border: 3px solid var(--white); background: var(--mint); color: var(--ink); font-weight: 900; text-decoration: none; box-shadow: 5px 5px 0 var(--orange); transition: transform .18s ease, box-shadow .18s ease; }
.resume-button:hover { color: var(--ink); transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--orange); }
.resume-button:active { transform: translate(5px, 5px); box-shadow: none; }

@media (min-width: 760px) {
  .hero, .page-shell, .site-nav, footer { width: min(1120px, calc(100% - 5rem)); }
  .games-hero, .games-main { width: min(1200px, calc(100% - 5rem)); }
  .page-shell { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
  #internships, #demos, #game-history { grid-column: span 2; }
  .skills-section { min-height: 19rem; }
  .work-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: no-preference) {
  .hero::before { animation: drift 12s ease-in-out infinite alternate; }
  .content-section:nth-of-type(5n + 2), .content-section:nth-of-type(5n + 4) { animation: bob 8s ease-in-out infinite alternate; }
}

@keyframes drift { from { transform: rotate(-6deg) translate3d(-1%, 0, 0); } to { transform: rotate(-3deg) translate3d(1%, 2%, 0); } }
@keyframes bob { from { translate: 0 0; } to { translate: 0 6px; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

@media (max-width: 480px) {
  .hero, .page-shell, .site-nav, footer { width: min(100% - 1.2rem, 1120px); }
  .games-hero, .games-main { width: min(100% - 1.2rem, 1200px); }
  .hero { min-height: 62vh; }
  .hero h1 { font-size: clamp(3.6rem, 22vw, 6rem); }
  .skills-section ul { columns: 1; }
  .content-section { padding: 1.1rem; }
  .content-section:nth-of-type(n) { transform: none; }
}

@media (max-width: 759px) {
  .genre-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .genre-table--wide,
  .genre-table--medium,
  .genre-table--compact { grid-column: auto; }
  .genre-table:nth-child(n) { transform: none; }
}