@charset "UTF-8";

/* Long-form reading layer. The three projects keep their own colour worlds. */
.case-dialog {
  --case-gutter: clamp(24px, 7vw, 100px);
  --case-topbar-height: 76px;
  --case-body: #e2e7df;
  --case-secondary: #c3cdc3;
  font-size: 16px;
  line-height: 1.85;
  overflow-x: clip;
  scrollbar-gutter: stable;
}

.case-dialog h4 { margin: 0; font-weight: 500; }
.case-dialog p { overflow-wrap: anywhere; }
.case-dialog button:focus-visible,
.case-dialog a:focus-visible { outline-offset: 3px; }
.case-topbar {
  min-height: var(--case-topbar-height);
  padding: 16px 6vw;
  gap: 16px;
}
.case-brand { min-height: 44px; display: inline-flex; align-items: center; opacity: .8; }
.close-button { min-height: 44px; flex-shrink: 0; font-size: 12px; }
.case-hero {
  max-width: 1280px;
  padding: 64px var(--case-gutter) 42px;
}
.case-hero .eyebrow { font-size: 11px; color: var(--accent); }
.case-hero h2 { font-size: clamp(50px, 7.5vw, 104px); overflow-wrap: anywhere; }
.case-hero h3 { max-width: 32em; font-size: clamp(21px, 2.4vw, 30px); line-height: 1.55; }
.case-summary { margin-top: 24px; max-width: 38em; font-size: 18px; line-height: 1.8; color: var(--case-body); }
.case-intro { gap: 48px; margin-top: 32px; grid-template-columns: 1.1fr 1fr; }
.case-intro > p { font-size: 16px; color: var(--case-body); }
.case-facts { margin: 0; gap: 22px 24px; }
.case-facts > div { min-width: 0; }
.case-facts dt { font-size: 11px; opacity: 1; color: var(--case-secondary); margin-bottom: 6px; }
.case-facts dd { font-size: 14px; opacity: 1; color: var(--case-body); overflow-wrap: anywhere; }

.case-toc {
  position: sticky;
  top: var(--case-topbar-height);
  z-index: 4;
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 100%;
  padding: 10px max(var(--case-gutter), calc((100% - 1080px) / 2));
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  background: var(--case-bg, #19392d);
  border-block: 1px solid #ffffff20;
  scrollbar-width: thin;
  scrollbar-color: #ffffff40 transparent;
}
.case-toc button {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--case-secondary);
  transition: color .18s, background .18s;
}
.case-toc button:hover { color: var(--ink); background: #ffffff0d; }
.case-toc button.is-active,
.case-toc button[aria-current="true"],
.case-toc button[aria-current="location"] { color: var(--accent); background: #ffffff10; box-shadow: inset 0 -2px 0 var(--accent); }
.case-chapter {
  width: min(1080px, calc(100% - var(--case-gutter) * 2));
  min-width: 0;
  margin: 72px auto;
  scroll-margin-top: calc(var(--case-topbar-height) + 90px);
}
.case-chapter:focus { outline: none; }
.chapter-heading { max-width: 760px; margin-bottom: 32px; }
.chapter-heading .eyebrow { font-size: 11px; color: var(--accent); }
.chapter-heading h3 { font-size: clamp(25px, 3vw, 38px); line-height: 1.5; font-weight: 400; margin-top: 12px; letter-spacing: -.015em; }
.chapter-heading > p:not(.eyebrow) { margin-top: 18px; color: var(--case-body); font-size: 16px; line-height: 1.95; }
.case-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.case-columns > div { min-width: 0; border-top: 1px solid #ffffff30; padding-top: 22px; }
.case-columns h4 { font-size: 18px; margin-bottom: 12px; }
.case-columns p { color: var(--case-body); font-size: 16px; line-height: 1.95; }

.experience-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 36px 0;
}
.experience-flow li { min-width: 0; border-top: 1px solid #ffffff30; padding-top: 22px; }
.experience-flow li > span { display: block; font: italic 28px/1.2 Georgia, serif; color: var(--accent); margin-bottom: 18px; }
.experience-flow h4 { font-size: 17px; line-height: 1.6; margin-bottom: 10px; }
.experience-flow p { color: var(--case-secondary); font-size: 15px; line-height: 1.9; }
.evidence-figure { margin: 40px 0; min-width: 0; }
.evidence-figure > button {
  display: block;
  width: 100%;
  min-height: 44px;
  border: 1px solid #ffffff25;
  border-radius: 6px;
  overflow: hidden;
  background: #00000010;
  cursor: zoom-in;
}
.evidence-figure img { display: block; width: 100%; height: auto; max-height: none; object-fit: contain; }
.evidence-figure figcaption { margin-top: 14px; color: var(--case-secondary); font-size: 13px; line-height: 1.85; overflow-wrap: anywhere; }
.evidence-figure figcaption strong { color: var(--case-body); font-weight: 500; }
.evidence-phones { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; align-items: start; }
.evidence-phones .evidence-figure { margin-bottom: 0; }

/* Starity uses the five supplied phone captures at their original proportions. */
.world-starity {
  --section-bg: #244b43;
  --accent: #e2e9b7;
  --muted: #d3e0d2;
  background: radial-gradient(ellipse at 75% 45%, #698575 0, #385f53 42%, #203f38 90%);
}
.world-starity .project-title { font-size: clamp(84px, 9vw, 148px); }
.starity-spark { display: inline-block; font-size: .42em; color: var(--accent); vertical-align: top; margin: .3em 0 0 .14em; }
.starity-glow { position: absolute; width: 60vw; height: 65vw; right: -8vw; top: -10%; border-radius: 50%; background: radial-gradient(ellipse, #e2e9b715, transparent 68%); }
.starity-stage .phone { background: #152a26; border-color: #e2e9b749; }
.starity-stage .phone-front { transform: rotate(-6deg); }
.starity-stage .phone-back { transform: rotate(8deg) scale(.91); }
.starity-stage .stage-note { left: 10%; bottom: -3%; }
.starity-case-phones { background: radial-gradient(ellipse at center, #6f8e7540, transparent 75%); }
.case-dialog[data-project="starity"] .evidence-phones { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.switcher-progress i { width: 25%; }
@media (max-width: 760px) {
  .world-starity .project-title { font-size: clamp(66px, 17vw, 100px); }
  .starity-stage { height: 400px; }
  .world-switcher a { padding-inline: 9px; gap: 5px; }
  .case-dialog[data-project="starity"] .evidence-phones { grid-template-columns: 1fr; }
}
.decision-list { border-top: 1px solid #ffffff30; }
.decision-list article { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 24px; padding: 30px 0; border-bottom: 1px solid #ffffff25; }
.decision-number { font: italic 28px/1.35 Georgia, serif; color: var(--accent); }
.decision-list h4 { font-size: 21px; line-height: 1.6; margin-bottom: 12px; }
.decision-list p { max-width: 52em; color: var(--case-body); font-size: 16px; line-height: 1.95; }
.decision-list .tradeoff { margin-top: 16px; border-left: 2px solid var(--accent); padding: 2px 0 2px 16px; color: var(--case-secondary); font-size: 14px; }
.outcome-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.outcome-grid > div { border-top: 1px solid #ffffff30; padding-top: 22px; min-width: 0; }
.outcome-grid h4 { font-size: 18px; margin-bottom: 16px; }
.outcome-grid ul { padding-left: 20px; margin: 0; color: var(--case-body); font-size: 15px; line-height: 1.95; }
.outcome-grid li { padding-left: 3px; margin: 8px 0; overflow-wrap: anywhere; }
.outcome-grid li::marker { color: var(--accent); }
.case-footnote { margin-top: 32px; padding-top: 18px; border-top: 1px solid #ffffff20; font-size: 13px; line-height: 1.9; color: var(--case-secondary); }
.case-footnote a { text-decoration: underline; text-underline-offset: 4px; }
.case-download { margin-top: 24px; }
.case-download a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 18px;
  border: 1px solid #ffffff50;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--accent);
  transition: background .18s, border-color .18s;
}
.case-download a:hover { background: #ffffff0d; border-color: var(--accent); }
.case-download { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.case-download button { min-height: 48px; padding: 12px 18px; font-size: 14px; color: var(--case-body); }
.case-download button:hover { text-decoration: underline; text-underline-offset: 5px; }
.about-section .case-download a { color: #36552f; border-color: #526a4555; }
.about-section .case-download a:hover { background: #526a4510; border-color: #526a45; }
.site-header .nav-pdf { border-bottom: 1px solid currentColor; }
.about-section { scroll-margin-top: 90px; }
.about-content p { font-size: 15px; line-height: 1.95; }
.site-header.on-light { background: #efeee8f5; }
.case-visual { width: min(1180px, calc(100% - var(--case-gutter) * 2)); margin-inline: auto; }
.case-caption { font-size: 13px; opacity: 1; color: var(--case-secondary); }
.case-block p { font-size: 16px; color: var(--case-body); }
.case-feature-list span { font-size: 14px; color: var(--case-secondary); }
.case-film-button { min-height: 48px; font-size: 14px; }
.case-note { font-size: 13px !important; opacity: 1; }
.case-next { min-height: 92px; gap: 20px; }
.case-next > div { min-width: 0; }
.case-next strong { overflow-wrap: anywhere; }
.case-next small { font-size: 11px; opacity: .75; }
.lightbox-close, .film-close { min-height: 44px; font-size: 12px; }
.lightbox p { font-size: 14px; color: #dbe5d9; }

/* A short bridge from the projects to the person behind them. */
.process-strip {
  --accent: #3c6450;
  padding: 72px 9vw 80px;
  color: #2d312b;
  background: #e7e9df;
  scroll-margin-top: 80px;
}
.process-heading { max-width: 740px; margin-bottom: 40px; }
.process-heading .eyebrow { color: #50684d; }
.process-heading h2 { font-size: clamp(28px, 3.4vw, 46px); font-weight: 400; line-height: 1.5; margin-top: 18px; letter-spacing: -.02em; }
.process-heading > p:not(.eyebrow) { margin-top: 14px; font-size: 15px; line-height: 1.9; color: #586352; }
.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.process-grid article { min-width: 0; border-top: 1px solid #3b52363d; padding-top: 24px; }
.process-number { display: block; margin-bottom: 20px; font: italic 30px/1.1 Georgia, serif; color: #66805f; }
.process-grid h3 { margin-bottom: 12px; font-size: 20px; line-height: 1.6; font-weight: 400; }
.process-grid p { font-size: 14px; line-height: 1.95; color: #53614d; overflow-wrap: anywhere; }
.process-grid p + p { margin-top: 12px; }
.process-grid strong { font-weight: 500; color: #354b31; }

@media (max-width: 760px) {
  .case-dialog { --case-gutter: 7vw; --case-topbar-height: 72px; font-size: 14px; scrollbar-gutter: auto; }
  .case-topbar { padding: 14px 6vw; gap: 12px; }
  .case-brand { font-size: 9px; letter-spacing: .1em; }
  .close-button { font-size: 12px; gap: 10px; }
  .case-hero { padding-top: 36px; padding-bottom: 32px; }
  .case-hero h2 { font-size: clamp(43px, 11vw, 66px); }
  .case-hero h3 { font-size: 21px; margin-top: 18px; }
  .case-summary { font-size: 16px; margin-top: 20px; }
  .case-intro { grid-template-columns: 1fr; gap: 24px; margin-top: 26px; }
  .case-intro > p { font-size: 14px; }
  .case-facts { gap: 20px; }
  .case-facts dd { font-size: 14px; }
  .case-toc { padding-block: 8px; gap: 4px; }
  .case-toc button { padding-inline: 13px; font-size: 13px; }
  .case-chapter { margin-block: 44px; scroll-margin-top: calc(var(--case-topbar-height) + 80px); }
  .chapter-heading { margin-bottom: 24px; }
  .chapter-heading h3 { font-size: 25px; }
  .chapter-heading > p:not(.eyebrow) { margin-top: 14px; font-size: 14px; }
  .case-columns, .outcome-grid { grid-template-columns: 1fr; gap: 26px; }
  .case-columns > div, .outcome-grid > div { padding-top: 18px; }
  .case-columns h4, .outcome-grid h4 { font-size: 17px; }
  .case-columns p, .outcome-grid ul { font-size: 14px; }
  .experience-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 22px; margin-block: 28px; }
  .experience-flow li { padding-top: 18px; }
  .experience-flow li > span { margin-bottom: 12px; font-size: 25px; }
  .experience-flow h4 { font-size: 16px; }
  .experience-flow p { font-size: 14px; }
  .evidence-figure { margin-block: 28px; }
  .evidence-figure figcaption { font-size: 13px; margin-top: 12px; }
  .evidence-phones { grid-template-columns: 1fr; gap: 0; }
  .evidence-phones .evidence-figure { width: min(100%, 310px); margin-inline: auto; margin-bottom: 12px; }
  .decision-list article { grid-template-columns: 30px minmax(0, 1fr); gap: 15px; padding-block: 24px; }
  .decision-number { font-size: 24px; }
  .decision-list h4 { font-size: 18px; margin-bottom: 10px; }
  .decision-list p, .decision-list .tradeoff { font-size: 14px; }
  .decision-list .tradeoff { padding-left: 12px; }
  .case-footnote { font-size: 13px; margin-top: 26px; }
  .case-download a { width: 100%; font-size: 14px; }
  .site-header nav { gap: 16px; }
  .about-content p { font-size: 14px; }
  .process-number { font-size: 12px; line-height: 1.6; font-style: normal; }
  .case-block p, .case-feature-list span { font-size: 14px; }
  .case-phones { padding: 28px 4%; gap: 4%; }
  .case-phones button { width: 29%; }
  .case-next { margin-top: 44px; }
  .case-next strong { font-size: clamp(26px, 7.5vw, 38px); }
  .case-next > span { font-size: 34px; }
  .lightbox { padding-inline: 5vw; }
  .lightbox p { font-size: 14px; }
  .process-strip { padding: 52px 7vw 58px; }
  .process-heading { margin-bottom: 28px; }
  .process-heading h2 { font-size: 28px; }
  .process-heading > p:not(.eyebrow) { font-size: 14px; }
  .process-grid { grid-template-columns: 1fr; gap: 28px; }
  .process-grid article { padding-top: 20px; }
  .process-number { font-size: 26px; margin-bottom: 14px; }
  .process-grid h3 { font-size: 20px; margin-bottom: 10px; }
}

@media (max-width: 359px) {
  .case-dialog { --case-gutter: 20px; }
  .case-topbar { padding-inline: 20px; }
  .case-brand { max-width: 50%; font-size: 8px; }
  .case-hero h2 { font-size: 41px; }
  .case-facts { gap: 20px 16px; }
  .experience-flow { grid-template-columns: 1fr; gap: 22px; }
  .case-next { padding-inline: 0; }
  .case-next > span { font-size: 28px; }
  .process-strip { padding-inline: 20px; }
}

@media (max-width: 400px) {
  .site-header nav a[href="#little-things"] { display: none; }
  .site-header .brand-cn { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .case-toc button, .case-download a { transition: none; }
}

/* 奶团小屋: one quiet, warm interlude after the selected cases. */
.little-section { background: #f5f2e9; color: #21362e; padding: 96px 7vw 84px; scroll-margin-top: 70px; overflow: hidden; }
.naituan-layout { max-width: 1180px; margin: auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 7vw; align-items: center; }
.naituan-copy h2 { margin-top: 16px; font-size: clamp(29px, 3.3vw, 44px); font-weight: 400; letter-spacing: -.035em; }
.naituan-copy h2 em { color: #a2774f; font-style: normal; }
.naituan-copy h3 { margin-top: 30px; font-size: 21px; font-weight: 400; letter-spacing: .04em; }
.naituan-description { margin-top: 12px; color: #65705e; font-size: 14px; line-height: 2; }
.naituan-stats { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0; margin-top: 38px; }
.naituan-stats div { display: flex; flex-direction: column-reverse; gap: 6px; padding: 0 34px; border-left: 1px solid #3b52362a; }
.naituan-stats div:first-child { padding-left: 0; border-left: 0; }
.naituan-stats dd { margin: 0; font: 400 clamp(32px, 3.2vw, 44px)/1 Georgia, "Times New Roman", serif; letter-spacing: -.03em; color: #2c3f33; font-variant-numeric: lining-nums; }
.naituan-stats dd small { margin-left: 3px; font: 13px "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; letter-spacing: 0; color: #7c8870; }
.naituan-stats dt { font-size: 11px; letter-spacing: .06em; color: #78816f; }
.naituan-source { margin-top: 18px; color: #9a9f8f; font-size: 10px; letter-spacing: .04em; }
.naituan-links { display: flex; align-items: center; gap: 30px; margin-top: 30px; }
.naituan-play { display: flex; align-items: center; gap: 22px; color: #294633; font-size: 12px; font-weight: 500; letter-spacing: .07em; }
.naituan-play .round-arrow { border-color: #29463355; }
.naituan-play:hover .round-arrow { transform: rotate(45deg); background: #294a35; border-color: #294a35; color: #f5f2e9; }
.naituan-repo { color: #7c8870; font-size: 11px; letter-spacing: .04em; }
.naituan-repo:hover { color: #294633; }
/* Exploded axonometric of the 窝 screen: four real layers, room at the bottom. */
.naituan-stage { --u: .86px; --gap: calc(var(--u) * 100); position: relative; margin: 0; width: calc(var(--u) * 620); height: calc(var(--u) * 640); justify-self: center; }
.naituan-stage.is-assembled { --gap: 0px; }
.explode-scene { position: absolute; inset: 0; }
.explode-stack { position: absolute; left: calc(var(--u) * 260); top: calc(var(--u) * 172); width: calc(var(--u) * 236); height: calc(var(--u) * 505); transform-style: preserve-3d; transform: rotateX(54deg) rotateZ(-34deg); }
.layer { position: absolute; inset: 0; border-radius: calc(var(--u) * 16); transform: translateZ(calc(var(--i) * var(--gap))); transition: transform 1.1s var(--ease), background-color .6s, border-color .6s; transition-delay: calc(var(--i) * 60ms); }
.layer img { position: absolute; display: block; height: auto; }
.layer-room { background: #e8d2a8 url("assets/naituan/room.webp") 25% 50% / auto 100% no-repeat; box-shadow: 0 0 0 1px #6a4b2a33, calc(var(--u) * -30) calc(var(--u) * 40) calc(var(--u) * 50) #6a4b2a2e; }
.layer-decor, .layer-cat, .layer-ui { border: 1px dashed #8a6a4859; background: transparent; }
.naituan-stage.is-assembled .layer-decor, .naituan-stage.is-assembled .layer-cat, .naituan-stage.is-assembled .layer-ui { border-color: transparent; }
.d-scroll { left: 7.3%; top: 26.3%; width: 11.9%; }
.d-vase-a { left: 21.9%; top: 43.5%; width: 9.4%; }
.d-vase-b { left: 31.3%; top: 43.1%; width: 13.5%; }
.d-bed { left: 4%; top: 53%; width: 36.5%; }
.d-mat { left: 40%; top: 67.2%; width: 36.7%; }
.d-catbed { left: 40.6%; top: 61%; width: 33.3%; }
.d-cat { left: 45%; top: 53.3%; width: 25%; }
.d-flower { left: 61.6%; top: 58.6%; width: 5%; }
.ui-bubble { position: absolute; left: 57%; top: 49.4%; transform: translateX(-50%); padding: calc(var(--u) * 3) calc(var(--u) * 7); border: 1px solid #4a3a2c; border-radius: calc(var(--u) * 8); background: #fffaf2; color: #3c2f25; font-size: calc(var(--u) * 7); white-space: nowrap; }
.ui-bubble::after { content: ""; position: absolute; left: 50%; bottom: calc(var(--u) * -3.5); width: calc(var(--u) * 5); height: calc(var(--u) * 5); border: solid #4a3a2c; border-width: 0 1px 1px 0; background: #fffaf2; transform: translateX(-50%) rotate(45deg); }
.ui-paw { position: absolute; left: 5%; top: 3.6%; width: calc(var(--u) * 26); aspect-ratio: 1; border-radius: 50%; background: #fff8eccc; box-shadow: inset 0 0 0 1px #fff; }
.ui-pills { position: absolute; right: 4%; top: 4.4%; display: flex; gap: calc(var(--u) * 5); }
.ui-pills i, .ui-nav i, .ui-nav b { font-style: normal; font-weight: 500; color: #4a3a2c; }
.ui-pills i { padding: calc(var(--u) * 4) calc(var(--u) * 9); border-radius: calc(var(--u) * 20); background: #fff6e8d9; box-shadow: inset 0 0 0 1px #fff; font-size: calc(var(--u) * 7); }
.ui-rings { position: absolute; right: 4%; top: 10.5%; display: flex; gap: calc(var(--u) * 5); }
.ui-rings i { width: calc(var(--u) * 20); aspect-ratio: 1; border-radius: 50%; background: #fff6e8; border: calc(var(--u) * 2) solid #7d9cc3; }
.ui-rings i:nth-child(2) { border-color: #e29a9a; }
.ui-rings i:nth-child(3) { border-color: #dcb25c; }
.ui-nav { position: absolute; left: 11%; right: 11%; bottom: 3.6%; display: flex; justify-content: space-around; align-items: center; padding: calc(var(--u) * 4); border-radius: calc(var(--u) * 30); background: #fff8eee6; box-shadow: inset 0 0 0 1px #fff; font-size: calc(var(--u) * 8); }
.ui-nav b { padding: calc(var(--u) * 5) calc(var(--u) * 13); border-radius: calc(var(--u) * 30); background: #fff; font-weight: 600; }
.explode-labels { position: absolute; inset: 0; list-style: none; margin: 0; padding: 0; pointer-events: none; }
/* Each leader ends on its layer's left corner (projected: y = 340 - 81 × layer). */
.explode-labels li { position: absolute; left: 0; width: calc(var(--u) * 139); top: calc(var(--u) * (340 - 81 * var(--i)) - 38px); display: grid; gap: 2px; padding-bottom: 7px; border-bottom: 1px solid #8a6a4866; transition: opacity .5s, transform .8s var(--ease); }
.explode-labels li::after { content: ""; position: absolute; right: -2.5px; bottom: -3px; width: 5px; height: 5px; border-radius: 50%; background: #a2774f; }
.explode-labels b { font-size: 13px; font-weight: 500; color: #2c3f33; letter-spacing: .04em; }
.explode-labels span { font-size: 11px; color: #7c8870; white-space: nowrap; }
.naituan-stage.is-assembled .explode-labels li { opacity: 0; transform: translateY(8px); }
.explode-caption { position: absolute; right: 0; bottom: 0; display: flex; gap: 22px; }
.explode-caption button { min-height: 40px; padding: 0; border: 0; background: none; color: #6f7a66; font: inherit; font-size: 11px; letter-spacing: .05em; cursor: pointer; }
.explode-caption button:hover, .explode-caption button:focus-visible { color: #294633; }
.explode-toggle { border-bottom: 1px solid #6f7a6666 !important; }
@media (max-width: 1000px) and (min-width: 761px) {
  .naituan-layout { gap: 5vw; }
  .naituan-stats div { padding: 0 20px; }
}
@media (max-width: 760px) {
  .little-section { padding: 60px 20px 56px; scroll-margin-top: 68px; }
  .naituan-layout { grid-template-columns: 1fr; gap: 46px; }
  .naituan-copy h2 { font-size: 29px; }
  .naituan-copy h3 { margin-top: 22px; font-size: 19px; }
  .naituan-description { font-size: 13px; }
  .naituan-description br { display: none; }
  .naituan-stats { grid-template-columns: repeat(3, 1fr); margin-top: 30px; }
  .naituan-stats div { padding: 0 0 0 14px; }
  .naituan-stats dd { font-size: 29px; }
  .naituan-stats dd small { font-size: 11px; }
  .naituan-stats dt { font-size: 10px; }
  .naituan-links { gap: 24px; }
  .naituan-stage { --u: .54px; }
  .explode-labels b { font-size: 12px; }
  .explode-labels span { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .layer, .explode-labels li, .naituan-play .round-arrow { transition: none; }
}

/* Quieter worlds: one title, one line, one way in, one picture. */
.world-footer { justify-content: flex-end; }
.world-workbench .real-shot { display: none; }
@media (max-width: 760px) {
  .world-switcher, .world-footer { display: none; }
  .world { padding-bottom: 72px; }
  .world-workbench .desk-window { display: none; }
  .world-workbench .desk-stage { height: auto; padding-bottom: 0; }
  .world-workbench .real-shot { display: block; position: relative; inset: auto; width: 100%; transform: none; border: 0; border-radius: 10px; box-shadow: 0 18px 40px #00172555; }
  .world-workbench .real-shot img { aspect-ratio: auto; }
  .world-workbench .real-shot > span { font-size: 10px; padding: 9px 12px; }
}

/* Scroll feel: sections ease in once; big titles drift with scroll progress. */
.can-reveal [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform 1.1s var(--ease); }
.can-reveal [data-reveal].is-in { opacity: 1; transform: none; }
.can-reveal .process-grid[data-reveal] > *, .can-reveal .lab-layout[data-reveal] > * { transition: opacity .9s var(--ease), transform 1.1s var(--ease); }
.can-reveal .process-grid[data-reveal]:not(.is-in) > * { opacity: 0; transform: translateY(16px); }
.process-grid[data-reveal] > :nth-child(2) { transition-delay: .12s; }
.process-grid[data-reveal] > :nth-child(3) { transition-delay: .24s; }
[data-drift] { --drift: .5; translate: 0 calc((.5 - var(--drift)) * 36px); }
[data-drift] em, [data-drift] > span:not(.starity-spark):not(.title-period) { opacity: calc(.55 + var(--drift) * .9); }
@media (prefers-reduced-motion: reduce) { [data-drift] { translate: none; } [data-drift] em, [data-drift] > span { opacity: 1; } }
.lab-detail { min-height: 0; }