:root {
  --paper: #f2f0e8;
  --paper-2: #e7e4d9;
  --ink: #121815;
  --muted: #6e746e;
  --line: rgba(18, 24, 21, .16);
  --acid: #d7ff38;
  --blue: #3158ff;
  --orange: #ff6b3d;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

.noise { position: fixed; inset: 0; pointer-events: none; opacity: .18; z-index: 99; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E"); }
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 120; }
.scroll-progress span { display: block; height: 100%; width: 0; background: var(--blue); }

a { color: inherit; text-decoration: none; }
.section-shell { width: min(var(--max), calc(100% - 72px)); margin: 0 auto; }
.site-header {
  width: min(1400px, calc(100% - 48px)); height: 80px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  border-bottom: 1px solid var(--line); position: relative; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; font-size: 10px; letter-spacing: .18em; font-weight: 700; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-size: 11px; letter-spacing: 0; }
.brand-mark span { color: var(--blue); }
.site-header nav { display: flex; gap: 28px; font-size: 12px; }
.site-header nav a { position: relative; }
.site-header nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 1px; background: var(--ink); transition: .3s ease; }
.site-header nav a:hover::after { right: 0; }
.edition { justify-self: end; font: 700 10px/1 Arial, sans-serif; letter-spacing: .15em; color: var(--muted); }

.hero { min-height: calc(100vh - 80px); display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 32px; padding: 70px 0 90px; }
.eyebrow, .section-index { font: 700 11px/1.3 Arial, sans-serif; letter-spacing: .22em; text-transform: uppercase; color: var(--blue); }
.hero h1 { font-size: clamp(66px, 8vw, 122px); line-height: .92; letter-spacing: -.075em; margin: 30px 0 34px; font-weight: 760; }
.hero h1 em, .closing h2 em { font-family: Georgia, "STSong", serif; font-weight: 400; color: var(--blue); }
.hero-intro { max-width: 590px; font-size: 17px; line-height: 1.9; color: #3f4641; }
.hero-actions { margin-top: 42px; display: flex; align-items: center; gap: 28px; }
.primary-button { display: flex; align-items: center; justify-content: space-between; width: 208px; padding: 14px 18px; color: white; background: var(--ink); font-size: 13px; transition: transform .25s ease, background .25s; }
.primary-button:hover { transform: translateY(-3px); background: var(--blue); }
.primary-button span { color: var(--acid); font-size: 18px; }
.hand-note { transform: rotate(-5deg); color: var(--muted); font: italic 15px/1.3 Georgia, serif; }
.hero-visual { position: relative; min-height: 630px; display: grid; place-items: center; }
.route-map { width: min(100%, 620px); overflow: visible; }
.orbit { fill: none; stroke: rgba(18,24,21,.11); stroke-dasharray: 3 9; }
.route-shadow { fill: none; stroke: rgba(49,88,255,.1); stroke-width: 24; }
.route-line { fill: none; stroke: var(--blue); stroke-width: 3; stroke-dasharray: 8 9; animation: dash 20s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -340; } }
.route-node circle { fill: var(--paper); stroke: var(--blue); stroke-width: 4; }
.route-node text { font: 700 13px "Microsoft YaHei", sans-serif; fill: var(--ink); }
.route-node .pulse { fill: none; stroke-width: 1; opacity: .35; transform-origin: center; animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 70%,100% { transform: scale(1.7); opacity: 0; } }
.node-goal circle { fill: var(--acid); stroke: var(--ink); }
.map-caption { font: 700 11px Arial, sans-serif; letter-spacing: .18em; fill: var(--muted); }
.profile-ticket { position: absolute; right: -8px; bottom: 22px; width: 255px; background: var(--ink); color: white; padding: 20px; box-shadow: 12px 12px 0 var(--acid); transform: rotate(2deg); }
.profile-ticket > span, .profile-ticket div span { display: block; color: #aeb6b0; font: 700 9px Arial, sans-serif; letter-spacing: .16em; text-transform: uppercase; }
.profile-ticket > strong { display: block; font-size: 20px; margin: 5px 0 16px; }
.profile-ticket div { padding: 9px 0; border-top: 1px solid rgba(255,255,255,.16); }
.profile-ticket div b { font-size: 12px; font-weight: 500; }

.manifesto { padding: 130px 0; border-top: 1px solid var(--line); }
.manifesto blockquote { margin: 48px 0 74px; font-size: clamp(38px, 5.3vw, 76px); letter-spacing: -.055em; line-height: 1.25; font-weight: 700; }
.manifesto blockquote span { position: relative; white-space: nowrap; }
.manifesto blockquote span::after { content: ""; position: absolute; height: 13px; background: var(--acid); left: -3px; right: -3px; bottom: 2px; z-index: -1; transform: rotate(-1deg); }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.principle-grid article { padding: 30px 38px 15px 0; border-right: 1px solid var(--line); min-height: 190px; }
.principle-grid article + article { padding-left: 38px; }
.principle-grid article:last-child { border-right: 0; }
.principle-grid article > span { font: 700 11px Arial; color: var(--blue); }
.principle-grid h3 { margin: 25px 0 8px; font-size: 20px; }
.principle-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.section-heading { display: grid; grid-template-columns: .5fr 1.1fr .8fr; gap: 30px; align-items: end; margin-bottom: 80px; }
.section-heading h2 { margin: 0; font-size: clamp(42px, 5vw, 72px); letter-spacing: -.055em; line-height: 1.08; }
.section-heading > p:last-child { margin: 0; color: var(--muted); max-width: 380px; }
.origin { padding: 120px 0 150px; }
.origin-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 70px; }
.origin-statement { min-height: 440px; background: var(--blue); color: white; padding: 48px 54px; position: relative; overflow: hidden; }
.origin-statement::after { content: "CV"; position: absolute; right: -28px; bottom: -100px; font: 800 280px/1 Arial; color: rgba(255,255,255,.07); }
.quote-mark { display: block; font: 100px/.7 Georgia; color: var(--acid); }
.origin-statement > p { font-size: clamp(27px, 3vw, 42px); line-height: 1.38; letter-spacing: -.035em; position: relative; z-index: 1; }
.origin-statement .muted { font-size: 14px; color: rgba(255,255,255,.72); max-width: 520px; margin-top: 50px; }
.status-board { border-top: 1px solid var(--ink); }
.status-row { display: grid; grid-template-columns: 100px 1fr; column-gap: 20px; align-items: baseline; padding: 25px 0; border-bottom: 1px solid var(--line); }
.status-row > span { grid-row: span 2; font: 700 10px Arial; color: var(--blue); letter-spacing: .13em; }
.status-row b { font-size: 22px; }
.status-row small { color: var(--muted); }

.roadmap { padding: 130px 0; }
.timeline { border-top: 1px solid var(--ink); }
.phase { display: grid; grid-template-columns: 260px 1fr; min-height: 520px; border-bottom: 1px solid var(--ink); }
.phase-meta { padding: 34px 30px 30px 0; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.phase-meta span { color: var(--blue); font: 700 11px Arial; letter-spacing: .17em; }
.phase-meta time { margin-top: 15px; font: 700 14px Arial; }
.phase-meta b { margin-top: auto; font-size: 24px; }
.phase-body { padding: 48px 0 55px 64px; }
.phase-body h3 { font-size: clamp(30px, 3.2vw, 48px); line-height: 1.25; letter-spacing: -.04em; margin: 0 0 46px; }
.outcome-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.outcome-columns h4 { margin: 0 0 18px; display: flex; align-items: center; gap: 9px; font-size: 13px; }
.outcome-columns h4 i { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.outcome-columns .stretch h4 i { background: var(--orange); }
.outcome-columns ul { margin: 0; padding: 0; list-style: none; }
.outcome-columns li { position: relative; padding: 9px 0 9px 18px; border-bottom: 1px solid var(--line); font-size: 14px; }
.outcome-columns li::before { content: "↳"; position: absolute; left: 0; color: var(--muted); }
.mvp-flow { display: flex; gap: 10px; align-items: center; margin-top: 38px; padding: 16px; background: var(--ink); color: white; overflow-x: auto; }
.mvp-flow span { white-space: nowrap; border: 1px solid rgba(255,255,255,.3); padding: 8px 12px; font-size: 12px; }
.mvp-flow b { color: var(--acid); }

.capacity { margin-top: 50px; margin-bottom: 140px; padding: 68px; color: white; background: var(--ink); display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }
.capacity h2 { font-size: clamp(38px, 4.5vw, 64px); line-height: 1.15; letter-spacing: -.05em; margin: 30px 0 0; }
.bar-item { display: grid; grid-template-columns: 120px 1fr 100px; gap: 16px; align-items: center; margin-bottom: 30px; }
.bar-item > span { font-size: 12px; color: #bec6c0; }
.bar-item b { font-size: 13px; }
.bar-item small { grid-column: 2 / 4; color: #8f9992; margin-top: -12px; }
.bar { height: 10px; background: rgba(255,255,255,.13); overflow: hidden; }
.bar i { display: block; width: var(--w); height: 100%; background: var(--acid); transform-origin: left; }
.capacity-chart > p { color: #aeb6b0; font-size: 13px; margin-top: 50px; }

.decision { padding: 110px 0 150px; }
.decision-console { border: 1px solid var(--ink); background: #ece9de; box-shadow: 15px 15px 0 var(--ink); }
.decision-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--ink); }
.decision-tabs button { appearance: none; border: 0; border-right: 1px solid var(--ink); padding: 19px; background: transparent; font: 700 13px inherit; cursor: pointer; transition: .2s; }
.decision-tabs button:last-child { border-right: 0; }
.decision-tabs button.active { background: var(--blue); color: white; }
.decision-display { display: grid; grid-template-columns: 330px 1fr; gap: 75px; align-items: center; padding: 65px 80px; }
.ratio-ring { --research: 70; position: relative; width: 250px; aspect-ratio: 1; border-radius: 50%; background: conic-gradient(var(--blue) calc(var(--research) * 1%), var(--orange) 0); display: grid; place-items: center; transition: background .4s ease; }
.ratio-ring::before { content: ""; width: 176px; aspect-ratio: 1; position: absolute; border-radius: 50%; background: #ece9de; }
.ratio-ring div { position: relative; text-align: center; }
.ratio-ring strong { display: block; font: 700 58px/.9 Arial; letter-spacing: -.06em; }
.ratio-ring span { font-size: 12px; color: var(--muted); }
.decision-status { color: var(--blue); font: 700 11px Arial; letter-spacing: .15em; text-transform: uppercase; }
.decision-copy h3 { font-size: clamp(32px, 4vw, 55px); margin: 12px 0 20px; letter-spacing: -.04em; }
.decision-copy > p:not(.decision-status) { max-width: 600px; color: var(--muted); }
.ratio-legend { display: flex; gap: 30px; margin-top: 32px; font-size: 12px; }
.ratio-legend span { display: flex; align-items: center; gap: 8px; }
.ratio-legend i { width: 9px; height: 9px; border-radius: 50%; }
.research-dot { background: var(--blue); }.exam-dot { background: var(--orange); }
.decision-footnote { margin: 0; padding: 16px 25px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }

.collaboration { padding: 140px 0; }
.collab-map { min-height: 340px; position: relative; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; }
.collab-map svg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.collab-map svg path { fill: none; stroke: rgba(49,88,255,.35); stroke-width: 2; stroke-dasharray: 6 8; }
.collab-node { width: 260px; aspect-ratio: 1; border: 1px solid var(--ink); border-radius: 50%; display: flex; flex-direction: column; justify-content: center; padding: 38px; background: var(--paper); }
.collab-node span { color: var(--blue); font-weight: 700; margin-bottom: 14px; }
.collab-node b { font-size: 13px; font-weight: 500; }
.collab-node small { margin-top: 10px; color: var(--muted); }
.collab-node.self { justify-self: center; background: var(--ink); color: white; transform: translateY(-25px); }
.collab-node.contest { justify-self: end; }
.collab-note { max-width: 650px; margin: 36px auto 0; text-align: center; color: var(--muted); }

.conversation { padding: 120px 0 150px; }
.question-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.question-list li { display: grid; grid-template-columns: 120px 1fr; align-items: center; min-height: 115px; border-bottom: 1px solid var(--line); transition: padding .25s, background .25s; }
.question-list li:hover { padding-left: 18px; background: var(--acid); }
.question-list span { color: var(--blue); font: 700 11px Arial; }
.question-list p { margin: 0; font-size: clamp(18px, 2vw, 27px); font-weight: 700; }

.closing { margin-bottom: 90px; padding: 100px; color: white; background: var(--blue); position: relative; overflow: hidden; }
.closing::after { content: "→"; position: absolute; right: -25px; bottom: -135px; color: rgba(255,255,255,.1); font: 500 380px/1 Arial; }
.closing > p { color: rgba(255,255,255,.7); }
.closing h2 { margin: 30px 0 80px; font-size: clamp(55px, 8vw, 112px); line-height: 1; letter-spacing: -.07em; }
.closing h2 em { color: var(--acid); }
.closing-meta { position: relative; z-index: 1; display: flex; gap: 30px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.35); font-size: 11px; letter-spacing: .1em; }
footer { width: min(1400px, calc(100% - 48px)); margin: 0 auto; padding: 24px 0 36px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; font: 700 10px Arial; letter-spacing: .13em; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .section-shell { width: min(100% - 36px, var(--max)); }
  .site-header { width: calc(100% - 28px); grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }.edition { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 60px; }
  .hero-visual { min-height: 520px; }.profile-ticket { right: 10px; }
  .principle-grid { grid-template-columns: 1fr; }.principle-grid article, .principle-grid article + article { border-right: 0; border-bottom: 1px solid var(--line); padding: 25px 0; min-height: auto; }
  .section-heading { grid-template-columns: 1fr; gap: 16px; }
  .origin-layout { grid-template-columns: 1fr; gap: 35px; }
  .phase { grid-template-columns: 1fr; }.phase-meta { min-height: 150px; border-right: 0; border-bottom: 1px solid var(--line); }.phase-body { padding-left: 0; }
  .capacity { grid-template-columns: 1fr; gap: 45px; padding: 38px; }
  .decision-display { grid-template-columns: 1fr; padding: 45px; gap: 35px; }.ratio-ring { margin: 0 auto; }
  .collab-map { min-height: auto; grid-template-columns: 1fr; gap: 20px; }.collab-map svg { display: none; }.collab-node, .collab-node.self, .collab-node.contest { justify-self: center; transform: none; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 59px; }.hero-visual { min-height: 440px; }.route-map { transform: scale(1.03); }.profile-ticket { width: 220px; bottom: -5px; }
  .manifesto, .origin, .roadmap, .decision, .collaboration, .conversation { padding: 85px 0; }
  .manifesto blockquote { font-size: 35px; }.manifesto blockquote span { white-space: normal; }
  .origin-statement { padding: 34px 28px; }.origin-statement > p { font-size: 27px; }
  .outcome-columns { grid-template-columns: 1fr; gap: 35px; }
  .capacity { margin-bottom: 60px; }.bar-item { grid-template-columns: 90px 1fr; }.bar-item b { grid-column: 2; }.bar-item small { grid-column: 2; }
  .decision-tabs { grid-template-columns: 1fr; }.decision-tabs button { border-right: 0; border-bottom: 1px solid var(--ink); }.decision-tabs button:last-child { border-bottom: 0; }
  .decision-display { padding: 30px 22px; }.ratio-ring { width: 210px; }.ratio-ring::before { width: 148px; }
  .question-list li { grid-template-columns: 50px 1fr; }
  .closing { padding: 65px 28px; }.closing-meta { flex-direction: column; gap: 8px; }
}

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