/* Rongcheng Wu — a quiet, editorial study in navy, blue, and white. */
:root {
  color-scheme: dark;
  --navy: #0b1c36;
  --blue: #365574;
  --white: #ffffff;
  --soft: rgba(255, 255, 255, .9);
  --muted: rgba(255, 255, 255, .78);
  --line: rgba(255, 255, 255, .27);
  --serif: 'RW Garamond', 'Songti SC', 'STSong', serif;
  --sans: 'RW Calibri', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 36px; }
body { margin: 0; background: var(--blue); color: var(--white); font: 18px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
body:has(dialog[open]) { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--white); outline-offset: 6px; }
::selection { background: var(--white); color: var(--navy); }
h1, h2, p { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; line-height: 1.03; letter-spacing: -.035em; text-wrap: balance; }
h2 { font-size: clamp(47px, 5.2vw, 72px); }
em { font-weight: 400; }
.shell { width: min(1200px, calc(100% - 112px)); margin-inline: auto; }
.mono { font: 12px/1.6 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.skip-link { position: fixed; top: 14px; left: 18px; z-index: 100; padding: 10px 18px; background: var(--white); color: var(--navy); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

/* A full-width navy masthead with restrained navigation. */
.masthead { position: relative; z-index: 20; background: var(--navy); border-bottom: 1px solid rgba(255, 255, 255, .2); }
.header-inner { display: flex; align-items: center; min-height: 110px; gap: 40px; }
.wordmark { display: inline-flex; align-items: center; gap: 14px; margin-right: auto; font: 29px/1.15 var(--serif); letter-spacing: -.025em; white-space: nowrap; }
.site-logo { display: block; width: 48px; height: 48px; flex: 0 0 auto; object-fit: contain; }
.header-inner nav { display: flex; align-items: center; gap: 34px; }
.header-inner nav a { position: relative; padding-block: 11px; font-size: 14px; line-height: 1.4; letter-spacing: .025em; }
.header-inner nav a::after { position: absolute; left: 0; right: 0; bottom: 3px; height: 1px; background: var(--white); content: ''; transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.header-inner nav a:hover::after { transform: scaleX(1); }
.language-switcher { position: relative; flex: 0 0 auto; padding-left: 25px; border-left: 1px solid var(--line); }
.language-toggle { display: grid; width: 44px; height: 44px; place-items: center; padding: 0; color: var(--white); background: transparent; border: 1px solid transparent; border-radius: 50%; }
.language-toggle:hover, .language-toggle[aria-expanded='true'] { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .24); }
.globe-icon { display: block; font: 24px/1 var(--sans); filter: grayscale(1); }
.language-menu { position: absolute; top: calc(100% + 18px); right: 0; z-index: 40; min-width: 216px; padding: 12px; border: 1px solid rgba(255, 255, 255, .36); border-radius: 16px; background: rgba(11, 28, 54, .96); color: var(--white); box-shadow: 0 14px 45px rgba(0, 0, 0, .22); }
.language-menu::before { position: absolute; right: 15px; top: -7px; width: 13px; height: 13px; content: ''; transform: rotate(45deg); background: rgba(11, 28, 54, .96); border-left: 1px solid rgba(255, 255, 255, .36); border-top: 1px solid rgba(255, 255, 255, .36); }
@supports ((backdrop-filter: blur(20px)) or (-webkit-backdrop-filter: blur(20px))) {
  .language-menu { background: rgba(11, 28, 54, .79); -webkit-backdrop-filter: blur(20px) saturate(115%); backdrop-filter: blur(20px) saturate(115%); }
  .language-menu::before { background: rgba(11, 28, 54, .85); }
}
.language-menu-title { position: relative; padding: 6px 11px 10px; margin-bottom: 5px; border-bottom: 1px solid var(--line); color: var(--white); font: 20px/1.3 var(--serif); letter-spacing: .01em; }
.language-option { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 25px; width: 100%; padding: 11px 12px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--white); text-align: left; font-size: 17px; line-height: 1.4; }
.language-option:hover, .language-option[aria-checked='true'] { background: rgba(255, 255, 255, .11); }
.language-option:focus-visible { outline-offset: -2px; border-radius: 8px; }
.language-check { opacity: 0; font-size: 16px; }
.language-option[aria-checked='true'] .language-check { opacity: 1; }

/* Every content section shares the same blue canvas. */
main, main > section, .music-section, .research-section { background: var(--blue); }
.hero { padding-top: 35px; }
.hero-meta { display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 11px; }
.hero-layout { display: grid; grid-template-columns: 1.14fr 1fr; align-items: center; gap: 40px; padding-block: 70px 76px; }
.hero-copy { position: relative; z-index: 1; min-width: 0; }
.hero h1 { font-size: clamp(62px, 6.4vw, 90px); line-height: 1.02; letter-spacing: -.042em; }
.hero h1 span, .hero h1 em { display: block; }
.hero h1 em { margin-top: 3px; }
.hero-description { max-width: 450px; margin-top: 30px; color: var(--soft); font-size: 18px; line-height: 1.7; }
.text-link { display: inline-flex; align-items: center; gap: 32px; margin-top: 31px; padding-bottom: 8px; border-bottom: 1px solid var(--white); font-size: 15px; line-height: 1.5; }
.text-link > span:last-child { font-size: 23px; transition: transform .2s ease; }
.text-link:hover > span:last-child { transform: translate(3px, -3px); }
.record-scene { position: relative; display: grid; place-items: center; width: 100%; min-width: 0; aspect-ratio: 1; isolation: isolate; overflow: hidden; }
.record { position: relative; display: grid; place-items: center; width: 80%; aspect-ratio: 1; border-radius: 50%; background: repeating-radial-gradient(circle at center, var(--white) 0 1px, rgba(54, 85, 116, .08) 1.5px 2px, var(--white) 2.5px 4px), var(--white); box-shadow: 14px 18px 34px rgba(0, 0, 0, .15), inset 0 0 0 1px rgba(255, 255, 255, .7); }
.record::before { position: absolute; inset: 0; border-radius: 50%; content: ''; background: conic-gradient(from 35deg, transparent, rgba(255, 255, 255, .7) 13%, transparent 25%, rgba(54, 85, 116, .05) 42%, rgba(255, 255, 255, .7) 55%, transparent 71%, rgba(255, 255, 255, .5) 85%, transparent); }
.record-label { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3%; width: 37%; aspect-ratio: 1; border: 1px solid rgba(255, 255, 255, .8); border-radius: 50%; background: var(--blue); color: var(--white); box-shadow: 0 0 0 7px rgba(54, 85, 116, .1); }
.record-small { font: 6px/1.7 var(--sans); letter-spacing: .12em; white-space: nowrap; }
.record-monogram { font: italic clamp(38px, 4.7vw, 68px)/.95 var(--serif); letter-spacing: -.13em; transform: translateX(-4px); }
.record-label i { position: absolute; width: 6px; height: 6px; top: calc(50% - 3px); left: calc(50% - 3px); border-radius: 50%; background: var(--white); }
.record-orbit { position: absolute; z-index: -1; aspect-ratio: 1; border: 1px solid rgba(255, 255, 255, .2); border-radius: 50%; }
.orbit-one { width: 97%; left: 1.5%; top: 1.5%; }
.orbit-two { width: 122%; left: -11%; top: -11%; }
.record-coordinate { position: absolute; top: 7px; left: 2px; color: var(--soft); font-size: 10px; line-height: 1.65; }
.record-caption { position: absolute; bottom: 0; left: 3px; right: 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--soft); font-size: 10px; }
.tiny-cross { font-size: 25px; line-height: 1; }
.hero-bottom { display: flex; justify-content: space-between; gap: 28px; padding-block: 23px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.hero-bottom a { color: var(--white); white-space: nowrap; }

.section-index { display: block; margin-bottom: 19px; color: var(--muted); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; }
.section-aside { max-width: 263px; margin-bottom: 6px; font-size: 18px; line-height: 1.7; color: var(--soft); }
.music-section { padding-block: 87px 58px; }
.project-list { margin-top: 49px; }
.project { position: relative; display: grid; grid-template-columns: 28px 96px minmax(0, 1.35fr) minmax(0, 1fr) 98px; align-items: center; gap: 26px; width: 100%; padding: 27px 0; text-align: left; border: 0; border-top: 1px solid var(--line); background: transparent; color: var(--white); }
.project:last-child { border-bottom: 1px solid var(--line); }
.project::before { position: absolute; inset: 0 -16px; content: ''; background: rgba(255, 255, 255, .055); opacity: 0; transition: opacity .2s ease; }
.project > * { position: relative; }
.project:hover::before { opacity: 1; }
.project-number { color: var(--muted); font-size: 11px; }
.project-art { position: relative; display: block; width: 100%; aspect-ratio: 1; overflow: hidden; border: 1px solid rgba(255, 255, 255, .3); }
.art-fade { background: var(--white); }
.art-fade::before { position: absolute; inset: -15% 8% 15% 12%; content: ''; border: 1px solid var(--blue); border-radius: 50%; transform: rotate(-23deg); }
.art-fade i { position: absolute; inset: 49% -20% -30% -10%; border-radius: 50%; background: var(--blue); opacity: .75; transform: rotate(-15deg); }
.art-night { background: var(--blue); }
.art-night::before { position: absolute; inset: 14% 30% 0; content: ''; background: var(--white); border-radius: 45% 45% 0 0; }
.art-night i { position: absolute; bottom: -16%; left: -15%; width: 130%; height: 34%; background: var(--blue); border-top: 1px solid var(--white); transform: rotate(-12deg); }
.art-friendship { background: var(--white); }
.art-friendship::before, .art-friendship i { position: absolute; top: 21%; width: 42%; height: 57%; content: ''; border: 1px solid var(--blue); border-radius: 50%; transform: rotate(32deg); }
.art-friendship::before { left: 17%; background: var(--white); }
.art-friendship i { left: 43%; background: var(--blue); }
.project-info { display: flex; flex-direction: column; gap: 9px; min-width: 0; }
.project-category { display: block; color: var(--muted); font-size: 10px; letter-spacing: .075em; line-height: 1.6; }
.project-title { font: 32px/1.1 var(--serif); letter-spacing: -.025em; }
.project-description { max-width: 230px; color: var(--soft); font-size: 17px; line-height: 1.6; }
.project-open { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.project-open .mono { font-size: 11px; letter-spacing: .03em; }
.project-open > span:last-child { font: 26px/1 var(--sans); transition: transform .2s ease; }
.project:hover .project-open > span:last-child { transform: translate(3px, -3px); }
.music-footnote { margin-top: 23px; color: var(--muted); font-size: 11px; text-align: right; }

.lab-section { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 100px; padding-block: 85px 102px; }
.lab-intro > p { max-width: 340px; margin-top: 26px; color: var(--soft); font-size: 18px; line-height: 1.7; }
.lab-disclosure { display: block; max-width: 330px; margin-top: 25px; color: var(--muted); font-size: 11px; letter-spacing: .06em; }
.sound-panel { min-width: 0; border: 1px solid rgba(255, 255, 255, .5); padding: 27px 27px 0; }
.sound-top { display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--soft); font-size: 10px; letter-spacing: .06em; }
.sound-led { display: flex; align-items: center; gap: 8px; }
.sound-led i { flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: rgba(255, 255, 255, .5); transition: background .25s ease, box-shadow .25s ease; }
.is-playing .sound-led i { background: var(--white); box-shadow: 0 0 12px rgba(255, 255, 255, .6); }
.visualizer { display: flex; align-items: center; justify-content: center; gap: 6px; height: 155px; padding: 18px 0; }
.visualizer span { --bar-height: 18%; display: block; flex: 1; max-width: 4px; min-height: 4px; height: var(--bar-height); background: rgba(255, 255, 255, .7); transform: scaleY(.34); transform-origin: center; transition: background .5s ease; }
.visualizer span:nth-child(6n + 1) { --bar-height: 25%; animation-delay: -.7s; }
.visualizer span:nth-child(6n + 2) { --bar-height: 47%; animation-delay: -.1s; }
.visualizer span:nth-child(6n + 3) { --bar-height: 73%; animation-delay: -.8s; }
.visualizer span:nth-child(6n + 4) { --bar-height: 96%; animation-delay: -.3s; }
.visualizer span:nth-child(6n + 5) { --bar-height: 62%; animation-delay: -.5s; }
.visualizer span:nth-child(6n) { --bar-height: 36%; animation-delay: -.9s; }
.is-playing .visualizer span { background: var(--white); animation: sound-wave 1.5s ease-in-out infinite alternate; }
.is-playing .visualizer span:nth-child(3n) { animation-duration: 1.1s; }
.is-playing .visualizer span:nth-child(4n) { animation-duration: 1.8s; }
.sound-scenes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.sound-scenes button { display: flex; align-items: center; justify-content: center; gap: 11px; padding: 12px 5px; border: 1px solid rgba(255, 255, 255, .5); background: transparent; color: var(--white); font-size: 16px; transition: background .2s, border-color .2s; }
.sound-scenes button:hover { background: rgba(255, 255, 255, .08); border-color: var(--white); }
.sound-scenes button[aria-pressed='true'] { background: rgba(255, 255, 255, .16); border-color: var(--white); color: var(--white); }
.scene-number { font-size: 10px; letter-spacing: .03em; }
.sound-toggle { display: flex; align-items: center; gap: 13px; width: calc(100% + 54px); padding: 22px 27px; margin: 26px -27px 0; border: 0; border-top: 1px solid rgba(255, 255, 255, .5); background: transparent; color: var(--white); text-align: left; font-size: 16px; line-height: 1.4; transition: background .2s ease; }
.sound-toggle:hover { background: rgba(255, 255, 255, .07); }
.sound-toggle > .mono { margin-left: auto; color: var(--muted); font-size: 10px; letter-spacing: .03em; }
.play-icon { flex: 0 0 auto; width: 10px; height: 12px; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-left: 9px solid var(--white); }
.sound-toggle[aria-pressed='true'] .play-icon { width: 9px; height: 12px; border: 0; border-left: 3px solid var(--white); border-right: 3px solid var(--white); }
.no-script { padding-block: 20px; color: var(--soft); font-size: 16px; }

.research-section { padding-block: 90px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.research-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.research-copy { max-width: 490px; padding-top: 3px; }
.status-badge { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 25px; color: var(--soft); font-size: 11px; }
.status-badge i { width: 5px; height: 5px; border-radius: 50%; background: var(--white); }
.research-copy > p:first-of-type { font: 35px/1.35 var(--serif); letter-spacing: -.015em; }
.research-note { max-width: 430px; margin-top: 24px; color: var(--soft); font-size: 18px; line-height: 1.7; }
.research-topics { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--soft); font-size: 11px; }
.about-section { padding-block: 98px 85px; }
.about-section h2 { font-size: clamp(46px, 4.9vw, 68px); }
.about-stamp { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 112px; aspect-ratio: 1; border: 1px solid rgba(255, 255, 255, .7); border-radius: 50%; color: var(--white); font: italic 41px/1.05 var(--serif); letter-spacing: -.08em; transform: rotate(-10deg); }
.about-stamp > span { margin-top: 8px; color: var(--soft); font: 8px/1.45 var(--sans); letter-spacing: .09em; text-align: center; }
.about-body { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; margin-top: 47px; }
.about-label { display: flex; justify-content: space-between; gap: 24px; padding-right: 35px; color: var(--muted); font-size: 12px; }
.small-arrow { margin-top: -5px; color: var(--white); font: 34px/1 var(--serif); }
.about-body > div:last-child { max-width: 540px; }
.about-body p { color: var(--soft); font-size: 18px; line-height: 1.8; }
.about-body p + p { margin-top: 23px; }
.inspiration-section { padding-block: 30px 57px; border-top: 1px solid var(--line); }
.inspiration-top { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.inspiration-top .section-index { margin: 0; color: var(--white); font: 25px/1.3 var(--serif); letter-spacing: .01em; text-transform: none; }
.inspiration-top > span { color: var(--muted); font-size: 11px; letter-spacing: .05em; }
.artist-list { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 28px; margin-top: 34px; }
.artist-list span { color: var(--white); font: 29px/1.25 var(--serif); letter-spacing: -.02em; }
.closing { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-block: 64px 78px; border-top: 1px solid var(--line); }
.closing h2 { font-size: clamp(43px, 4.6vw, 65px); }
.orange-mark { position: relative; width: 132px; flex: 0 0 auto; aspect-ratio: 1; margin-right: 34px; border: 1px solid var(--white); border-radius: 50%; background: var(--white); }
.orange-mark::before { position: absolute; content: ''; top: -9px; left: 49%; width: 4px; height: 17px; border-radius: 4px; background: var(--white); transform: rotate(11deg); }
.orange-mark i { position: absolute; width: 32px; height: 14px; left: 49%; top: -13px; border: 1px solid var(--white); border-radius: 90% 5% 90% 5%; background: var(--blue); transform: rotate(-28deg); }
.site-footer { background: var(--navy); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-block: 35px; color: var(--soft); }
.site-footer .mono { font-size: 11px; letter-spacing: .08em; }
.site-footer a { color: var(--white); }

/* Song notes remain part of the same white-on-blue visual system. */
.project-dialog { position: fixed; inset: 0; width: min(630px, calc(100vw - 40px)); max-height: min(900px, calc(100dvh - 48px)); padding: 31px 38px 38px; margin: auto; border: 1px solid rgba(255, 255, 255, .4); background: var(--navy); color: var(--white); box-shadow: 0 28px 120px rgba(0, 0, 0, .35); overscroll-behavior: contain; }
.project-dialog::backdrop { background: rgba(11, 28, 54, .82); -webkit-backdrop-filter: blur(9px); backdrop-filter: blur(9px); }
.dialog-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 21px; border-bottom: 1px solid var(--line); margin-bottom: 27px; }
.dialog-top > span { font-size: 11px; }
.dialog-close { display: grid; place-items: center; width: 36px; height: 36px; margin: -5px -7px -5px 0; border: 0; background: none; color: var(--white); font: 31px/1 var(--sans); }
.dialog-close:focus-visible { outline-offset: 3px; }
.dialog-close:hover { background: rgba(255, 255, 255, .1); }
.dialog-art { position: relative; width: 100%; height: 180px; margin-bottom: 27px; overflow: hidden; border: 1px solid var(--line); }
.dialog-art.art-fade::before { inset: -125% 18% -45% 18%; }
.dialog-art.art-night::before { inset: 7% 39% 0; }
.dialog-art.art-friendship::before, .dialog-art.art-friendship i { width: 26%; height: 130%; top: -15%; }
.dialog-art.art-friendship::before { left: 25%; }
.dialog-art.art-friendship i { left: 49%; }
.project-dialog h2 { margin-top: 14px; font-size: clamp(40px, 5vw, 54px); line-height: 1.08; }
.project-dialog > p { margin-top: 24px; color: var(--soft); font-size: 18px; line-height: 1.75; }
.dialog-audio-note { display: flex; align-items: center; gap: 12px; margin-top: 29px; padding-top: 21px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; letter-spacing: .04em; }
.dialog-audio-note > span:first-child { font-size: 23px; }

html[lang^='zh'] h1, html[lang^='zh'] h2 { letter-spacing: .015em; line-height: 1.24; }
html[lang^='zh'] .hero h1 { font-size: clamp(54px, 5.5vw, 78px); }
html[lang^='zh'] .hero-description { line-height: 1.9; }
html[lang^='zh'] .project-category { letter-spacing: .04em; }
html[lang^='zh'] .project-title { font-size: 29px; line-height: 1.3; }
html[lang^='zh'] .research-copy > p:first-of-type { font-size: 31px; line-height: 1.65; }
@keyframes sound-wave { from { transform: scaleY(.28); } to { transform: scaleY(1); } }

@media (min-width: 1500px) {
  .hero-layout { gap: 70px; padding-block: 85px 90px; }
}
@media (max-width: 1100px) {
  .shell { width: calc(100% - 80px); }
  .header-inner { min-height: 98px; gap: 28px; }
  .header-inner nav { gap: 26px; }
  .wordmark { font-size: 27px; gap: 11px; }
  .hero-layout { gap: 28px; padding-block: 65px; }
  .hero h1 { font-size: clamp(58px, 6.5vw, 73px); }
  .record-small { font-size: 5px; }
  .project { grid-template-columns: 22px 82px minmax(0, 1.3fr) minmax(0, .9fr) 80px; gap: 20px; }
  .project-title { font-size: 29px; }
  .project-category { font-size: 9px; }
  .project-description { font-size: 16px; }
  .project-open { gap: 8px; }
  .project-open .mono { font-size: 10px; }
  .lab-section, .research-layout, .about-body { gap: 60px; }
  .sound-panel { padding-inline: 22px; }
  .sound-toggle { width: calc(100% + 44px); margin-inline: -22px; padding-inline: 22px; }
  .sound-toggle > .mono { font-size: 9px; }
  .sound-top { font-size: 9px; }
  .artist-list { justify-content: flex-start; gap: 22px 36px; }
}
@media (max-width: 850px) {
  .shell { width: calc(100% - 56px); }
  .header-inner { min-height: 94px; gap: 22px; }
  .wordmark { font-size: 25px; }
  .site-logo { width: 42px; height: 42px; }
  .header-inner nav { gap: 21px; }
  .header-inner nav a { font-size: 13px; }
  .language-switcher { padding-left: 16px; }
  .language-toggle { width: 38px; height: 38px; }
  .hero-meta { font-size: 10px; letter-spacing: .07em; }
  .hero-layout { grid-template-columns: 1.1fr 1fr; gap: 20px; padding-block: 58px; }
  .hero h1 { font-size: clamp(52px, 6.7vw, 61px); }
  .hero-description { margin-top: 24px; font-size: 17px; line-height: 1.65; }
  .text-link { margin-top: 26px; font-size: 14px; }
  .record-coordinate, .record-caption { font-size: 8px; }
  .record-small { font-size: 4px; }
  .record-monogram { font-size: 44px; }
  .record-label { box-shadow: 0 0 0 5px rgba(54, 85, 116, .1); }
  .hero-bottom { font-size: 10px; letter-spacing: .06em; }
  h2 { font-size: 55px; }
  .music-section { padding-block: 66px 46px; }
  .section-heading { gap: 30px; }
  .section-aside { max-width: 220px; font-size: 17px; }
  .project-list { margin-top: 37px; }
  .project { grid-template-columns: 22px 78px minmax(0, 1fr) 87px; gap: 22px; padding-block: 24px; }
  .project-description { display: none; }
  .project-category { font-size: 10px; }
  .project-title { font-size: 31px; }
  .project-open .mono { font-size: 11px; }
  .music-footnote { max-width: 85%; margin-left: auto; font-size: 10px; }
  .lab-section { grid-template-columns: .8fr 1.2fr; gap: 34px; padding-block: 64px 78px; }
  .lab-intro > p { font-size: 17px; }
  .lab-disclosure { font-size: 10px; }
  .sound-panel { padding: 23px 17px 0; }
  .sound-top { font-size: 8px; gap: 9px; letter-spacing: .03em; }
  .visualizer { height: 144px; gap: 4px; }
  .sound-scenes { gap: 6px; }
  .sound-scenes button { font-size: 15px; gap: 7px; }
  .scene-number { font-size: 9px; }
  .sound-toggle { width: calc(100% + 34px); margin-inline: -17px; padding: 20px 17px; font-size: 15px; }
  .sound-toggle > .mono { font-size: 8px; }
  .research-section { padding-block: 71px; }
  .research-layout, .about-body { gap: 40px; }
  .research-copy > p:first-of-type { font-size: 31px; }
  .research-note { font-size: 17px; }
  .about-section { padding-block: 73px 67px; }
  .about-section h2 { font-size: 53px; }
  .about-stamp { width: 95px; font-size: 35px; }
  .about-stamp > span { font-size: 7px; }
  .about-body { margin-top: 35px; }
  .about-label { padding-right: 10px; font-size: 11px; }
  .about-body p { font-size: 17px; }
  .inspiration-top > span { max-width: 250px; text-align: right; font-size: 10px; }
  .artist-list { gap: 19px 30px; }
  .artist-list span { font-size: 28px; }
  .closing { padding-block: 56px 65px; }
  .closing h2 { font-size: 53px; }
  .orange-mark { width: 106px; margin-right: 12px; }
  .site-footer .mono { font-size: 10px; }
  html[lang^='zh'] .hero h1 { font-size: 48px; }
}
@media (max-width: 650px) {
  html { scroll-padding-top: 25px; }
  .shell { width: calc(100% - 44px); }
  .header-inner { min-height: 118px; flex-wrap: wrap; justify-content: space-between; gap: 0 18px; padding-block: 19px 16px; }
  .wordmark { order: 0; gap: 10px; font-size: 26px; }
  .site-logo { width: 39px; height: 39px; }
  .language-switcher { order: 1; padding-left: 15px; }
  .header-inner nav { order: 2; flex-basis: 100%; gap: 32px; margin-top: 15px; }
  .header-inner nav a { font-size: 14px; padding-block: 0; }
  .header-inner nav a::after { bottom: -5px; }
  .language-menu { top: calc(100% + 14px); min-width: 204px; }
  .hero { padding-top: 26px; }
  .hero-meta { align-items: flex-start; gap: 16px; font-size: 9px; letter-spacing: .035em; }
  .hero-meta .location { max-width: 130px; text-align: right; }
  .hero-layout { grid-template-columns: 1fr; gap: 45px; padding-block: 42px 34px; }
  .hero h1 { font-size: clamp(42px, 11.6vw, 72px); line-height: 1.06; letter-spacing: -.04em; }
  .hero-description { max-width: 470px; margin-top: 25px; font-size: 18px; line-height: 1.7; }
  .text-link { margin-top: 27px; gap: 35px; font-size: 15px; }
  .record-scene { max-width: 460px; margin-inline: auto; aspect-ratio: 1.1; }
  .record { width: 74%; }
  .record-monogram { font-size: clamp(45px, 13vw, 68px); }
  .record-small { font-size: clamp(4px, 1.3vw, 6px); }
  .record-label { box-shadow: 0 0 0 6px rgba(54, 85, 116, .1); }
  .record-coordinate, .record-caption { font-size: 9px; }
  .record-coordinate { top: 2px; left: 1px; }
  .record-caption { left: 1px; right: 1px; bottom: 0; }
  .orbit-one { width: 94%; left: 3%; top: -1.5%; }
  .orbit-two { width: 120%; left: -10%; top: -15%; }
  .hero-bottom { align-items: flex-start; gap: 20px; padding-block: 20px 22px; font-size: 9px; letter-spacing: .04em; }
  .hero-bottom > span { max-width: 215px; }
  .hero-bottom a { margin-top: 1px; }
  h2 { font-size: 57px; }
  .section-index { margin-bottom: 17px; font-size: 11px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 21px; }
  .section-aside { max-width: 320px; font-size: 18px; }
  .music-section { padding-block: 57px 36px; }
  .project-list { margin-top: 32px; }
  .project { grid-template-columns: 17px 68px minmax(0, 1fr) 22px; gap: 13px; padding-block: 22px; }
  .project::before { inset-inline: -9px; }
  .project-number { font-size: 10px; }
  .project-info { gap: 7px; }
  .project-category { font-size: 9px; line-height: 1.55; letter-spacing: .025em; }
  .project-title { font-size: clamp(24px, 6.1vw, 31px); line-height: 1.12; }
  .project-open .mono { display: none; }
  .project-open > span:last-child { font-size: 25px; }
  .music-footnote { max-width: 330px; font-size: 10px; line-height: 1.7; margin-top: 20px; }
  .lab-section { grid-template-columns: 1fr; gap: 34px; padding-block: 56px 67px; }
  .lab-intro > p { max-width: 360px; margin-top: 23px; font-size: 18px; }
  .lab-disclosure { max-width: 370px; margin-top: 20px; font-size: 10px; }
  .sound-panel { padding: 25px 20px 0; }
  .sound-top { font-size: 9px; gap: 10px; }
  .visualizer { height: 155px; gap: 5px; }
  .sound-scenes { gap: 8px; }
  .sound-scenes button { padding-block: 13px; font-size: 16px; gap: 10px; }
  .scene-number { font-size: 10px; }
  .sound-toggle { width: calc(100% + 40px); margin: 24px -20px 0; padding: 21px 20px; font-size: 16px; }
  .sound-toggle > .mono { font-size: 9px; }
  .research-section { padding-block: 59px; }
  .research-layout { grid-template-columns: 1fr; gap: 32px; }
  .research-copy { max-width: 100%; padding-top: 0; }
  .status-badge { margin-bottom: 20px; font-size: 11px; }
  .research-copy > p:first-of-type { max-width: 460px; font-size: 34px; }
  .research-note { max-width: 470px; margin-top: 22px; font-size: 18px; }
  .research-topics { gap: 32px; font-size: 11px; margin-top: 27px; }
  .about-section { padding-block: 63px 58px; }
  .about-section h2 { font-size: clamp(43px, 10.6vw, 58px); }
  .about-stamp { display: none; }
  .about-body { grid-template-columns: 1fr; gap: 22px; margin-top: 33px; }
  .about-label { justify-content: flex-start; gap: 33px; font-size: 11px; }
  .small-arrow { font-size: 28px; }
  .about-body > div:last-child { max-width: 100%; }
  .about-body p { font-size: 18px; line-height: 1.8; }
  .about-body p + p { margin-top: 23px; }
  .inspiration-section { padding-block: 28px 43px; }
  .inspiration-top { display: block; }
  .inspiration-top .section-index { font-size: 25px; }
  .inspiration-top > span { display: block; max-width: 100%; margin-top: 11px; font-size: 10px; text-align: left; }
  .artist-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 18px; margin-top: 29px; }
  .artist-list span { font-size: clamp(25px, 6.2vw, 31px); }
  .closing { padding-block: 49px 58px; gap: 20px; }
  .closing h2 { font-size: clamp(37px, 8.6vw, 48px); }
  .closing .section-index { font-size: 10px; }
  .orange-mark { width: 75px; margin: 14px 2px 0 0; }
  .orange-mark i { width: 23px; height: 10px; top: -9px; }
  .orange-mark::before { width: 3px; height: 13px; top: -7px; }
  .footer-inner { align-items: flex-start; flex-wrap: wrap; gap: 16px 22px; padding-block: 29px 33px; }
  .site-footer .mono { font-size: 10px; }
  .site-footer .footer-middle { display: none; }
  .project-dialog { width: calc(100vw - 28px); padding: 23px 24px 29px; max-height: calc(100dvh - 28px); }
  .dialog-top { margin-bottom: 23px; padding-bottom: 19px; }
  .dialog-art { height: 148px; margin-bottom: 23px; }
  .project-dialog h2 { font-size: 43px; }
  .project-dialog > p { font-size: 18px; line-height: 1.7; }
  .dialog-audio-note { gap: 10px; font-size: 10px; letter-spacing: .015em; }
  html[lang^='zh'] .hero h1 { font-size: clamp(47px, 12vw, 65px); }
  html[lang^='zh'] .project-title { font-size: clamp(23px, 5.8vw, 29px); }
}
@media (max-width: 360px) {
  .shell { width: calc(100% - 36px); }
  .wordmark { font-size: 24px; gap: 8px; }
  .site-logo { width: 35px; height: 35px; }
  .language-switcher { padding-left: 9px; }
  .language-toggle { width: 36px; height: 36px; }
  .hero-meta { font-size: 8px; }
  .hero h1 { font-size: 42px; }
  .hero-description { font-size: 17px; }
  .hero-bottom { gap: 14px; font-size: 8px; }
  .project { grid-template-columns: 14px 55px minmax(0, 1fr) 18px; gap: 10px; }
  .project-title { font-size: 24px; }
  .project-category { font-size: 8px; }
  .sound-top { font-size: 8px; }
  .sound-toggle { gap: 10px; font-size: 15px; }
  .sound-toggle > .mono { font-size: 8px; }
  .sound-scenes button { font-size: 15px; gap: 7px; }
  .closing h2 { font-size: 34px; }
  .orange-mark { width: 59px; }
  .artist-list span { font-size: 24px; }
  .site-footer .mono { font-size: 9px; }
  html[lang^='zh'] .hero h1 { font-size: 46px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .is-playing .visualizer span { animation: none; transform: scaleY(.7); }
}