:root {
  --paper: #fff4dc;
  --ink: #1c140f;
  --card: #fffdf8;
  --yellow: #ffe566;
  --pink: #ff6b93;
  --sky: #8ad7ff;
  --lime: #c8f25a;
  --mint: #7dde9a;
  --line: 3px;
  --shadow: 5px 5px 0 var(--ink);
  --radius: 28px;
  --header: 4.75rem;
  --font-display: "Fredoka", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Fredoka", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(rgba(28, 20, 15, 0.07) 1.1px, transparent 1.2px);
  background-size: 18px 18px;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
}

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

h1,
h2,
.brand,
.button,
.kicker,
.tag,
.skill,
.fact h3,
.marquee p {
  font-family: var(--font-display);
}

::selection {
  background: var(--yellow);
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

html[lang="zh"] [data-lang-text="en"],
html[lang="en"] [data-lang-text="zh"] {
  display: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.5rem 0.8rem;
  background: var(--yellow);
  border: var(--line) solid var(--ink);
  border-radius: 999px;
  font-weight: 700;
}

.skip:focus {
  top: 1rem;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: var(--line) solid var(--ink);
}

.header-bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--header);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-right: auto;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 16px;
  box-shadow: 3px 3px 0 var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.nav-links a {
  font-weight: 700;
  text-decoration: none;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: var(--line) solid var(--ink);
  border-radius: 14px;
  background: var(--card);
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 3px;
  margin: 4px auto;
  border-radius: 99px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.lang-switch {
  display: inline-flex;
  padding: 0.2rem;
  border: var(--line) solid var(--ink);
  border-radius: 999px;
  background: var(--card);
  box-shadow: 3px 3px 0 var(--ink);
}

.lang-switch button {
  border: 0;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  background: transparent;
  font-weight: 700;
  cursor: pointer;
}

.lang-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

.hero {
  padding: 3.2rem 0 2.4rem;
}

.hero-grid,
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.2rem;
  align-items: center;
}

.kicker {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.hello {
  display: block;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  font-weight: 600;
}

.name {
  display: block;
  width: fit-content;
  max-width: 100%;
  font-size: clamp(2.7rem, 12vw, 6.3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
  background: linear-gradient(var(--yellow), var(--yellow)) left 78% / 100% 0.34em no-repeat;
}

.name-sss {
  color: #e84378;
}

.lead {
  max-width: 38rem;
  margin-top: 1rem;
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.3rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.55rem 1.15rem;
  border: var(--line) solid var(--ink);
  border-radius: 999px;
  background: var(--card);
  box-shadow: var(--shadow);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  background: var(--yellow);
}

.portrait-wrap {
  position: relative;
}

.portrait {
  border: var(--line) solid var(--ink);
  border-radius: 36px;
  background: var(--card);
  box-shadow: 8px 8px 0 var(--ink);
  padding: 0.45rem;
}

.float-note {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 1;
  margin: 0;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: var(--line) solid var(--ink);
  border-radius: 18px;
  background: var(--card);
  box-shadow: 3px 3px 0 var(--ink);
  font-family: var(--font-display);
  font-size: 1.4rem;
  animation: bob 3.2s ease-in-out infinite;
}

.marquee {
  overflow: hidden;
  border-block: var(--line) solid var(--ink);
  background: var(--lime);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: ticker 24s linear infinite;
}

.marquee p {
  margin: 0;
  padding: 0.7rem 1.2rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.band {
  padding: 4rem 0;
}

.band-work {
  background: rgba(255, 253, 248, 0.55);
  border-block: var(--line) solid var(--ink);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-head p,
.about-grid p + p {
  margin-top: 0.75rem;
}

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.fact,
.project {
  border: var(--line) solid var(--ink);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.fact {
  padding: 1rem;
}

.fact:nth-child(1) { background: var(--card); }
.fact:nth-child(2) { background: var(--yellow); }
.fact:nth-child(3) { background: var(--sky); }
.fact:nth-child(4) { background: #ffd4e4; }

.fact h3 {
  font-size: 0.95rem;
  font-weight: 600;
}

.fact p {
  margin-top: 0.25rem;
  font-weight: 700;
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.project {
  overflow: hidden;
}

.card-art {
  position: relative;
  height: 150px;
  border-bottom: var(--line) solid var(--ink);
}

.card-art span {
  position: absolute;
  left: 0.9rem;
  bottom: 0.8rem;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
}

.art-clover {
  background:
    radial-gradient(circle at 22% 45%, var(--yellow) 0 34px, transparent 36px),
    radial-gradient(circle at 68% 42%, var(--pink) 0 46px, transparent 48px),
    radial-gradient(circle at 48% 78%, var(--mint) 0 26px, transparent 28px),
    var(--sky);
}

.art-sticker {
  background:
    linear-gradient(var(--card), var(--card)) 16% 30% / 54px 54px no-repeat,
    linear-gradient(#ffd4e4, #ffd4e4) 38% 58% / 70px 42px no-repeat,
    linear-gradient(var(--yellow), var(--yellow)) 62% 28% / 48px 48px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 74% 66% / 64px 36px no-repeat,
    #ff8ab3;
}

.art-market {
  background:
    linear-gradient(115deg, transparent 0 18%, rgba(28, 20, 15, 0.12) 18% 22%, transparent 22% 100%),
    radial-gradient(circle at 30% 70%, #ffb15a 0 18px, transparent 20px),
    radial-gradient(circle at 58% 62%, #ffe566 0 14px, transparent 16px),
    radial-gradient(circle at 76% 74%, #ff6b93 0 16px, transparent 18px),
    #3b2a6a;
}

.art-market span {
  color: #fffdf8;
}

.art-score {
  background:
    radial-gradient(circle at 18% 34%, #173226 0 6px, transparent 7px),
    radial-gradient(circle at 40% 24%, #173226 0 4px, transparent 5px),
    radial-gradient(circle at 64% 42%, var(--card) 0 10px, transparent 11px),
    radial-gradient(circle at 82% 26%, #173226 0 5px, transparent 6px),
    radial-gradient(circle at 30% 70%, var(--card) 0 7px, transparent 8px),
    radial-gradient(circle at 74% 72%, #173226 0 4px, transparent 5px),
    var(--mint);
}

.project-body {
  padding: 1rem 1.05rem 1.15rem;
}

.tag {
  display: inline-block;
  margin-bottom: 0.35rem;
  padding: 0.1rem 0.55rem;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--paper);
  font-size: 0.92rem;
  font-weight: 600;
}

.project h3 {
  font-size: 1.55rem;
  line-height: 1.2;
}

.project-body p:last-child {
  margin-top: 0.4rem;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.skill,
.skills li {
  padding: 0.7rem 0.95rem;
  border: var(--line) solid var(--ink);
  border-radius: 18px;
  box-shadow: 3px 3px 0 var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
}

.skills li:nth-child(4n + 1) { background: var(--yellow); transform: rotate(-2deg); }
.skills li:nth-child(4n + 2) { background: #ffd4e4; transform: rotate(2deg); }
.skills li:nth-child(4n + 3) { background: var(--sky); transform: rotate(-1deg); }
.skills li:nth-child(4n + 4) { background: var(--lime); transform: rotate(1.5deg); }

.site-footer {
  border-top: var(--line) solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.footer-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 1.3rem 0 1.5rem;
  text-align: center;
  font-size: 0.98rem;
}

.icp {
  color: inherit;
  font-weight: 700;
  text-underline-offset: 0.18em;
}

.icp:hover {
  color: var(--yellow);
}

section {
  scroll-margin-top: calc(var(--header) + 0.6rem);
}

@media (hover: hover) {
  .button:hover,
  .project:hover,
  .nav-toggle:hover {
    transform: translate(-3px, -3px);
    box-shadow: 8px 8px 0 var(--ink);
  }

  .nav-links a:hover {
    background: linear-gradient(var(--yellow), var(--yellow)) left 78% / 100% 0.35em no-repeat;
  }

  .skills li:hover {
    transform: rotate(0deg) translateY(-3px);
  }
}

.button:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}

@media (max-width: 840px) {
  .hero-grid,
  .about-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2rem;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
  }

  .nav-toggle span {
    margin: 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.4rem;
    border: var(--line) solid var(--ink);
    border-radius: 18px;
    background: var(--card);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 0.75rem 0.8rem;
    border-radius: 12px;
  }
}

@media (max-width: 520px) {
  .facts {
    grid-template-columns: 1fr;
  }

  .header-bar {
    gap: 0.55rem;
  }

  .lang-switch button {
    padding-inline: 0.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .marquee-track,
  .float-note {
    animation: none;
  }

  .button,
  .project,
  .skills li,
  .nav-toggle span {
    transition: none;
  }
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes bob {
  0%,
  100% { transform: translateY(0) rotate(6deg); }
  50% { transform: translateY(-6px) rotate(-4deg); }
}