@font-face {
  font-family: "StarPanda Kids";
  src: url("fonts/StarPandaKids-subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "AI Zaozi Yikong";
  src: url("fonts/AIzaoziyikong-subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --sky: #d9eff8;
  --sky-deep: #83b4cf;
  --paper: #fffdf8;
  --paper-blue: #eff9fd;
  --ink: #58778d;
  --ink-dark: #405f73;
  --muted: #6d8796;
  --pink: #f2cbd6;
  --yellow: #f5dfa7;
  --green: #dcecdf;
  --face-cyan: #00dfe8;
  --line: rgba(86, 116, 135, .16);
  --shadow: rgba(91, 139, 162, .16);
  --font-primary: "StarPanda Kids", "AI Zaozi Yikong", "Microsoft YaHei", sans-serif;
  --font-support: "AI Zaozi Yikong", "Microsoft YaHei", sans-serif;
  --text-base: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 18%, rgba(255,255,255,.58) 0 3px, transparent 4px),
    radial-gradient(circle at 77% 72%, rgba(255,255,255,.4) 0 2px, transparent 3px),
    var(--sky);
  background-size: 58px 58px, 76px 76px, auto;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
strong { font-weight: 400; color: var(--ink-dark); }
:focus-visible { outline: 3px solid var(--ink-dark); outline-offset: 5px; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: -100px;
  left: 18px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--paper);
  box-shadow: 0 6px 0 var(--shadow);
}
.skip-link:focus { top: 18px; }

.sky-doodles { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; color: rgba(255,255,255,.76); }
.cloud { position: absolute; font-size: clamp(32px, 4vw, 62px); animation: cloud-drift 8s ease-in-out infinite alternate; }
.cloud-one { top: 9%; left: 2.5%; }
.cloud-two { right: 2%; bottom: 10%; animation-delay: -3s; }
.spark { position: absolute; color: var(--yellow); animation: twinkle 1.8s ease-in-out infinite alternate; }
.spark-one { top: 14%; right: 9%; font-size: 40px; }
.spark-two { bottom: 12%; left: 8%; font-size: 48px; animation-delay: -.8s; }

.site-header {
  position: relative;
  z-index: 10;
  width: min(1260px, calc(100% - 48px));
  margin: 28px auto 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand { display: flex; align-items: center; gap: 13px; text-decoration: none; }
.brand-mark {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(255,255,255,.85);
  border-radius: 48% 42% 52% 44%;
  background: rgba(255,255,255,.58);
  box-shadow: 0 6px 0 var(--shadow);
  color: var(--ink-dark);
  font-size: 25px;
  transform: rotate(-2deg);
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 26px; line-height: 1.05; }
.brand small { margin-top: 4px; color: var(--muted); font-family: var(--font-support); font-size: 11px; letter-spacing: .15em; }
.site-header nav { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.site-header nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 1px dashed rgba(86,119,141,.32);
  border-radius: 999px;
  background: rgba(255,255,255,.52);
  font-size: 16px;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.site-header nav a:hover { transform: translateY(-2px); background: var(--paper); box-shadow: 0 5px 0 var(--shadow); }

main { width: min(1260px, calc(100% - 48px)); margin: 0 auto; }
.paper-page {
  position: relative;
  overflow: hidden;
  border: 3px solid rgba(255,255,255,.72);
  border-radius: 32px 25px 36px 23px;
  background: linear-gradient(155deg, rgba(239,249,253,.9), rgba(255,253,248,.98) 56%);
  box-shadow: inset 0 0 0 1px rgba(86,119,141,.1), inset 22px 0 44px rgba(131,180,207,.07), 0 25px 34px var(--shadow);
}
.paper-page::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .17;
  background-image: repeating-linear-gradient(9deg, transparent 0 10px, rgba(86,116,135,.035) 11px);
}
.paper-page > * { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 12px; color: var(--sky-deep); font-family: var(--font-support); font-size: 12px; letter-spacing: .22em; }
.page-number { position: absolute; right: 30px; bottom: 19px; color: rgba(86,119,141,.6); font-family: var(--font-support); font-size: 11px; letter-spacing: .1em; }

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: clamp(34px, 6vw, 86px);
  padding: clamp(54px, 7vw, 94px);
}
.hero h1 { margin: 0; color: var(--ink-dark); font-size: clamp(66px, 8vw, 106px); font-weight: 400; line-height: .96; letter-spacing: .02em; }
.hero h1 span { color: #709eb8; text-shadow: 4px 4px 0 rgba(255,255,255,.9); }
.hero-lead { max-width: 600px; margin: 30px 0 0; color: var(--muted); font-size: clamp(20px, 2vw, 25px); line-height: 1.85; }
.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 28px 0 34px; }
.hero-tags span { padding: 8px 13px; border: 1px dashed var(--line); border-radius: 999px; background: rgba(255,255,255,.62); color: var(--ink); font-size: 15px; }
.hero-tags span:first-child { background: var(--green); }
.primary-link { display: inline-flex; align-items: center; gap: 10px; padding: 13px 20px; border: 0; border-radius: 50% 45% 52% 43%; background: var(--ink-dark); box-shadow: 0 7px 0 rgba(64,95,115,.14); color: white; font-size: 18px; text-decoration: none; transition: transform .2s ease; }
.primary-link:hover { transform: translateY(-3px) rotate(-1deg); }

.robot-stage { min-height: 520px; display: grid; place-items: center; border: 2px solid var(--line); border-radius: 48% 43% 50% 42%; background: linear-gradient(155deg, rgba(255,255,255,.74), rgba(255,244,247,.82)); transform: rotate(1deg); }
.tape { position: absolute; width: 110px; height: 31px; background: rgba(245,223,167,.68); }
.tape-top { top: -10px; left: 50%; transform: translateX(-50%) rotate(-3deg); }
.robot { position: relative; width: 270px; height: 414px; filter: drop-shadow(0 22px 16px rgba(75,113,134,.14)); animation: robot-breathe 3.6s ease-in-out infinite alternate; }
.robot-head { position: absolute; z-index: 3; top: 8px; left: 18px; width: 234px; height: 205px; border: 5px solid #d5d8d5; border-radius: 34% 34% 31% 31% / 31% 31% 34% 34%; background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(115,124,124,.035) 3px 4px), linear-gradient(145deg, #fffef9, #eeefe9); box-shadow: inset 0 0 0 3px rgba(255,255,255,.82), inset -12px -10px 20px rgba(99,111,111,.05); }
.robot-screen { position: absolute; inset: 31px 28px 30px; overflow: hidden; border: 4px solid #293039; border-radius: 31% 31% 28% 28% / 29% 29% 34% 34%; background: linear-gradient(155deg, #11151c, #070a0f 72%); box-shadow: inset 0 0 20px rgba(0,223,232,.05); }
.robot-screen::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(125deg, rgba(255,255,255,.1), transparent 28% 72%, rgba(0,223,232,.025)); }
.screen-eye { position: absolute; top: 36px; width: 27px; height: 40px; border-radius: 9px; background: var(--face-cyan); box-shadow: 0 0 9px rgba(0,223,232,.2); animation: robot-blink 5s ease-in-out infinite; }
.eye-left { left: 34px; }
.eye-right { right: 34px; }
.screen-mouth { position: absolute; left: 50%; bottom: 24px; width: 30px; height: 9px; border-radius: 999px; background: var(--face-cyan); box-shadow: 0 0 7px rgba(0,223,232,.2); transform: translateX(-50%); }
.robot-neck { position: absolute; z-index: 2; top: 198px; left: 97px; width: 76px; height: 58px; background: linear-gradient(90deg, #62686a, #8a8e8d 50%, #5a6062); clip-path: polygon(23% 0, 77% 0, 100% 100%, 0 100%); }
.robot-body { position: absolute; z-index: 1; top: 239px; left: 29px; width: 212px; height: 173px; overflow: hidden; border: 5px solid #d5d8d5; border-radius: 35px 35px 48px 48px / 29px 29px 42px 42px; background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(115,124,124,.035) 3px 4px), linear-gradient(145deg, #fffef9, #eeefe9); box-shadow: inset 0 0 0 3px rgba(255,255,255,.75), inset -11px -9px 18px rgba(99,111,111,.05); }
.robot-camera { position: absolute; top: 61px; left: 50%; width: 41px; height: 41px; border: 5px solid #262b31; border-radius: 50%; background: radial-gradient(circle at 42% 38%, #53606b 0 3px, #12171d 5px 15px, #05070a 17px); transform: translateX(-50%); }
.robot-camera i { position: absolute; top: 8px; left: 10px; width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.48); }
.robot-base { position: absolute; right: -5px; bottom: -5px; left: -5px; height: 26px; border-radius: 0 0 44px 44px; background: linear-gradient(#7b807f, #686d6c); }
.desk-shadow { position: absolute; bottom: 47px; width: 300px; height: 30px; border-radius: 50%; background: rgba(86,116,135,.12); filter: blur(4px); }
.stage-star { position: absolute; color: var(--yellow); font-size: 36px; }
.star-a { top: 28%; right: 9%; transform: rotate(8deg); }
.star-b { right: 17%; bottom: 18%; color: var(--pink); font-size: 43px; }

.story-section, .truth-section, .progress-section { padding: 130px 0 105px; }
.section-heading { position: relative; max-width: 800px; margin: 0 auto 70px; padding-bottom: 25px; text-align: center; }
.section-heading::after { content: ""; position: absolute; bottom: 0; left: 50%; width: 74px; border-top: 2px dashed rgba(86,116,135,.24); transform: translateX(-50%) rotate(-1deg); }
.section-heading::before { content: ""; position: absolute; z-index: 1; bottom: -3px; left: calc(50% + 41px); width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); }
.section-heading h2, .preview-copy h2, .boundary-copy h2, .closing-note h2 { margin: 0; color: var(--ink-dark); font-size: clamp(42px, 5vw, 66px); font-weight: 400; line-height: 1.2; }
.section-heading > p:last-child { margin: 20px auto 0; color: var(--muted); font-size: 20px; line-height: 1.8; }
.growth-path { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 16px; margin: 0; padding: 0; list-style: none; }
.path-card { position: relative; min-height: 325px; padding: 54px 30px 30px; border: 2px solid var(--line); border-radius: 20px 14px 23px 16px; box-shadow: 8px 9px 0 var(--shadow); }
.path-card:nth-of-type(1) { transform: rotate(-.8deg); }
.path-card:nth-of-type(3) { transform: translateY(12px) rotate(.7deg); }
.path-card:nth-of-type(5) { transform: rotate(-.3deg); }
.blue-card { background: var(--paper-blue); }
.cream-card { background: #fff8dc; }
.pink-card { background: #fff4f7; }
.card-tape { position: absolute; top: -12px; left: 50%; width: 88px; height: 26px; background: rgba(245,223,167,.72); transform: translateX(-50%) rotate(-2deg); }
.path-number { color: var(--sky-deep); font-family: var(--font-support); font-size: 13px; letter-spacing: .15em; }
.path-card h3 { margin: 18px 0 15px; color: var(--ink-dark); font-size: 29px; font-weight: 400; line-height: 1.3; }
.path-card p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.85; }
.path-arrow { color: rgba(86,116,135,.5); font-size: 17px; white-space: nowrap; }
.principle-note { width: min(880px, 94%); margin: 72px auto 0; display: flex; align-items: center; gap: 22px; padding: 26px 30px; border: 2px dashed var(--line); border-radius: 18px; background: rgba(255,255,255,.5); }
.principle-note > span { flex: none; color: #d59aac; font-size: 38px; }
.principle-note p { margin: 0; font-size: 18px; }

.preview-section { min-height: 760px; display: grid; grid-template-columns: .84fr 1.16fr; align-items: center; gap: clamp(45px, 6vw, 86px); padding: clamp(58px, 7vw, 92px); }
.preview-copy > p:not(.eyebrow) { color: var(--muted); font-size: 19px; line-height: 1.85; }
.feature-list { display: grid; gap: 15px; margin: 30px 0 0; padding: 0; list-style: none; }
.feature-list li { display: flex; align-items: center; gap: 16px; padding: 16px; border: 1px dashed var(--line); border-radius: 15px; background: rgba(255,255,255,.5); }
.feature-list li > span { width: 46px; height: 46px; flex: none; display: grid; place-items: center; border-radius: 50%; background: var(--paper-blue); color: var(--sky-deep); font-size: 24px; }
.feature-list strong, .feature-list small { display: block; }
.feature-list strong { font-size: 20px; }
.feature-list small { margin-top: 3px; color: var(--muted); font-size: 14px; }
.console-mock { min-width: 0; }
.mock-label { width: max-content; max-width: 100%; margin: 0 auto -12px; position: relative; z-index: 3; padding: 8px 15px; border: 1px dashed var(--line); border-radius: 999px; background: #fff8dc; color: var(--muted); font-family: var(--font-support); font-size: 11px; }
.mock-window { overflow: hidden; border: 3px solid rgba(255,255,255,.9); border-radius: 24px 19px 27px 20px; background: var(--paper); box-shadow: 10px 14px 0 var(--shadow); transform: rotate(.5deg); }
.mock-bar { height: 48px; display: flex; align-items: center; gap: 7px; padding: 0 18px; background: var(--paper-blue); border-bottom: 1px dashed var(--line); }
.mock-bar > span { width: 9px; height: 9px; border-radius: 50%; background: var(--pink); }
.mock-bar > span:nth-child(2) { background: var(--yellow); }
.mock-bar > span:nth-child(3) { background: var(--sky-deep); }
.mock-bar small { margin-left: auto; color: var(--muted); font-size: 12px; }
.mock-content { padding: 28px; }
.mock-greeting { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.mock-greeting small, .mock-greeting strong { display: block; }
.mock-greeting small { color: var(--sky-deep); font-family: var(--font-support); font-size: 10px; letter-spacing: .15em; }
.mock-greeting strong { margin-top: 4px; font-size: 24px; }
.mock-greeting > span { padding: 7px 10px; border-radius: 999px; background: var(--green); color: #66816c; font-size: 12px; }
.mock-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.mock-grid article { min-height: 135px; padding: 18px; border: 1px dashed var(--line); border-radius: 15px 11px 17px; background: #fffaf0; }
.mock-grid article:nth-child(2) { background: var(--paper-blue); }
.mock-grid article:nth-child(3) { background: #fff4f7; }
.mock-grid small, .mock-grid strong { display: block; }
.mock-grid small { color: var(--muted); font-size: 11px; }
.mock-grid strong { margin-top: 12px; font-size: 16px; line-height: 1.5; }
.mock-grid i { display: block; width: 62%; height: 6px; margin-top: 17px; border-radius: 999px; background: var(--line); }
.mock-bars { height: 70px; display: flex; align-items: end; gap: 7px; margin-top: 14px; }
.mock-bars b { width: 14%; border-radius: 999px 999px 4px 4px; background: linear-gradient(var(--pink), var(--sky-deep)); }
.mock-bars b:nth-child(1) { height: 35%; }.mock-bars b:nth-child(2) { height: 54%; }.mock-bars b:nth-child(3) { height: 42%; }.mock-bars b:nth-child(4) { height: 72%; }.mock-bars b:nth-child(5) { height: 61%; }
.mock-caption { margin: 22px 12px 0; color: var(--muted); font-size: 14px; text-align: center; }

.truth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 23px; }
.truth-card { position: relative; min-height: 330px; padding: 45px 32px 32px; border: 2px solid var(--line); border-radius: 48% 43% 50% 42%; background: rgba(255,255,255,.7); box-shadow: 8px 9px 0 var(--shadow); text-align: center; }
.truth-card:nth-child(2) { background: #fff8dc; transform: translateY(16px); }
.truth-card:nth-child(3) { background: #fff4f7; }
.truth-icon { width: 65px; height: 65px; display: grid; place-items: center; margin: 0 auto 18px; border: 2px dashed var(--line); border-radius: 50%; background: var(--paper); color: var(--sky-deep); font-size: 31px; }
.card-kicker { margin: 0; color: var(--sky-deep); font-family: var(--font-support); font-size: 11px; letter-spacing: .17em; }
.truth-card h3 { margin: 13px 0; color: var(--ink-dark); font-size: 27px; font-weight: 400; line-height: 1.35; }
.truth-card > p:last-child { margin: 0; color: var(--muted); font-size: 17px; }

.boundary-section { min-height: 660px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(48px, 7vw, 92px); padding: clamp(58px, 7vw, 92px); }
.boundary-visual { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px; }
.public-card, .private-card { min-height: 230px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 25px; border: 2px solid var(--line); border-radius: 19px 14px 22px 16px; box-shadow: 7px 8px 0 var(--shadow); text-align: center; }
.public-card { background: var(--paper-blue); transform: rotate(-1deg); }
.private-card { background: #fff8dc; transform: rotate(1deg); }
.public-card > span, .private-card > span { margin-bottom: 13px; color: var(--sky-deep); font-size: 38px; }
.public-card strong, .private-card strong { font-size: 23px; }
.public-card small, .private-card small { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.dotted-divider { display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--muted); font-family: var(--font-support); font-size: 10px; white-space: nowrap; }
.dotted-divider i { height: 48px; border-left: 2px dashed var(--line); }
.boundary-copy > p:not(.eyebrow) { color: var(--muted); font-size: 19px; line-height: 1.85; }
.privacy-stamp { width: max-content; max-width: 100%; margin-top: 27px; padding: 10px 14px; border: 2px solid rgba(213,154,172,.6); color: #bd8294; font-family: var(--font-support); font-size: 11px; letter-spacing: .12em; transform: rotate(-1.5deg); }

.progress-board { width: min(960px, 100%); margin: 0 auto; display: grid; gap: 17px; }
.progress-board article { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 24px; padding: 25px 28px; border: 2px solid var(--line); border-radius: 18px 13px 21px 15px; background: rgba(255,255,255,.68); box-shadow: 6px 7px 0 var(--shadow); }
.progress-board article:nth-child(2) { margin-left: 30px; background: #fff8dc; }
.progress-board article:nth-child(3) { margin-right: 30px; background: #fff4f7; }
.status-mark { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 50%; font-size: 29px; }
.status-mark.done { background: var(--green); color: #62816a; }
.status-mark.active { background: var(--paper-blue); color: var(--sky-deep); }
.progress-board small { color: var(--sky-deep); font-family: var(--font-support); font-size: 10px; letter-spacing: .16em; }
.progress-board h3 { margin: 5px 0 4px; color: var(--ink-dark); font-size: 25px; font-weight: 400; }
.progress-board p { margin: 0; color: var(--muted); font-size: 16px; }
.closing-note { position: relative; width: min(900px, 94%); margin: 100px auto 0; padding: 62px clamp(34px, 7vw, 82px); border: 2px solid var(--line); border-radius: 18px 13px 21px 15px; background: var(--paper); box-shadow: 9px 10px 0 var(--shadow); text-align: center; transform: rotate(-.4deg); }
.closing-note > p:not(.eyebrow) { max-width: 690px; margin: 25px auto; color: var(--muted); font-size: 19px; }
.closing-note > a { display: inline-flex; gap: 8px; padding-bottom: 3px; border-bottom: 1px dashed var(--ink); color: var(--ink-dark); font-size: 18px; text-decoration: none; }

.site-footer { width: min(1260px, calc(100% - 48px)); margin: 0 auto; display: flex; justify-content: space-between; gap: 24px; padding: 28px 0 42px; border-top: 1px dashed rgba(255,255,255,.75); color: rgba(64,95,115,.75); font-size: 14px; }
.site-footer p { margin: 0; }

@keyframes cloud-drift { to { transform: translate(14px, -8px); } }
@keyframes twinkle { to { transform: scale(.75) rotate(8deg); opacity: .58; } }
@keyframes robot-breathe { to { transform: translateY(-8px) rotate(.5deg); } }
@keyframes robot-blink { 0%, 43%, 47%, 100% { transform: scaleY(1); } 45% { transform: scaleY(.08); } }

@media (max-width: 980px) {
  .site-header { align-items: flex-start; }
  .hero, .preview-section, .boundary-section { grid-template-columns: 1fr; }
  .hero { padding-bottom: 78px; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-tags { justify-content: center; }
  .robot-stage { width: min(590px, 100%); margin: 0 auto; }
  .growth-path { grid-template-columns: 1fr; gap: 22px; }
  .path-arrow { transform: rotate(90deg); justify-self: center; }
  .path-card:nth-of-type(n) { min-height: 0; transform: none; }
  .truth-grid { grid-template-columns: 1fr; }
  .truth-card { min-height: 0; border-radius: 24px 18px 27px 20px; }
  .truth-card:nth-child(2) { transform: none; }
  .boundary-visual { order: 2; }
  .boundary-copy { text-align: center; }
  .privacy-stamp { margin-left: auto; margin-right: auto; }
}

@media (max-width: 720px) {
  :root { --text-base: 17px; }
  html { scroll-padding-top: 24px; }
  .site-header, main, .site-footer { width: calc(100% - 24px); }
  .site-header { margin-top: 18px; flex-direction: column; gap: 18px; }
  .site-header nav { justify-content: flex-start; }
  .site-header nav a { padding: 8px 12px; font-size: 14px; }
  .brand strong { font-size: 24px; }
  .hero, .preview-section, .boundary-section { min-height: 0; padding: 50px 24px 66px; border-radius: 24px 18px 27px 19px; }
  .hero h1 { font-size: clamp(58px, 20vw, 79px); }
  .hero-lead { font-size: 19px; }
  .hero-tags span { font-size: 13px; }
  .robot-stage { order: -1; min-height: 370px; margin-bottom: 8px; transform: none; }
  .robot { transform: scale(.82); }
  .desk-shadow { bottom: 23px; width: 240px; }
  .page-number { right: 20px; bottom: 14px; }
  .story-section, .truth-section, .progress-section { padding: 90px 0 76px; }
  .section-heading { margin-bottom: 50px; padding-bottom: 21px; }
  .section-heading h2, .preview-copy h2, .boundary-copy h2, .closing-note h2 { font-size: 39px; }
  .section-heading > p:last-child, .preview-copy > p:not(.eyebrow), .boundary-copy > p:not(.eyebrow) { font-size: 17px; }
  .path-card { padding: 46px 23px 25px; }
  .path-card h3 { font-size: 26px; }
  .principle-note { width: 100%; align-items: flex-start; padding: 22px; }
  .principle-note p { font-size: 16px; }
  .mock-content { padding: 18px; }
  .mock-greeting { align-items: flex-start; flex-direction: column; }
  .mock-grid { grid-template-columns: 1fr; }
  .feature-list li { align-items: flex-start; }
  .truth-card { padding: 36px 23px 28px; }
  .boundary-visual { grid-template-columns: 1fr; }
  .dotted-divider { flex-direction: row; }
  .dotted-divider i { width: 46px; height: 0; border-top: 2px dashed var(--line); border-left: 0; }
  .public-card, .private-card { min-height: 185px; transform: none; }
  .progress-board article, .progress-board article:nth-child(n) { grid-template-columns: 1fr; margin-left: 0; margin-right: 0; padding: 24px; text-align: center; }
  .status-mark { margin: 0 auto; }
  .closing-note { width: 100%; margin-top: 76px; padding: 52px 24px; transform: none; }
  .site-footer { flex-direction: column; text-align: center; }
  .cloud-two, .spark-two { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}
