/* ============================================================
   澜图科技 · 人物档案 / 展厅互动装置
   Design system: 深空实验室 — 近黑底 / 青绿主光 / 琥珀次光
   Stage: 1600 × 900 (16:9)
   ============================================================ */

:root {
  --ink: #04070b;
  --ink-2: #070c12;
  --panel: #0a1118;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.2);
  --text: #eaf1f2;
  --text-2: #b3c1cb;
  --muted: #78899a;
  --accent: #55e3c0;
  --accent-dim: rgba(85, 227, 192, 0.5);
  --amber: #f0a95c;
  --danger: #ff6b5e;

  --sans: "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Noto Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Cascadia Mono", Consolas, "Roboto Mono", monospace;
  --num: "Bahnschrift", "DIN Alternate", "Oswald", "Arial Narrow", var(--mono);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: #020406;
  color: var(--text);
  overflow: hidden;
}

body {
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button { font-family: inherit; }

/* ---------- 舞台 ---------- */
.screen {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 50% 0%, #060b11 0%, #020406 60%, #000 100%);
}

.stage {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1600px;
  height: 900px;
  margin-left: -800px;
  margin-top: -450px;
  overflow: hidden;
  background: var(--ink);
  transform-origin: center center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05), 0 40px 120px rgba(0, 0, 0, 0.8);
}

.bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.9;
}

.grid-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(120% 100% at 50% 45%, #000 25%, transparent 78%);
  mask-image: radial-gradient(120% 100% at 50% 45%, #000 25%, transparent 78%);
  opacity: 0.55;
}

.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

.vignette {
  position: absolute;
  inset: 0;
  z-index: 55;
  pointer-events: none;
  background:
    radial-gradient(120% 95% at 50% 50%, transparent 40%, rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(180deg, rgba(2, 4, 6, 0.7), transparent 18%, transparent 82%, rgba(2, 4, 6, 0.85));
}

/* ---------- HUD ---------- */
.hud {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 64px;
  color: var(--muted);
}

.hud--top {
  top: 0;
  height: 76px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(4, 7, 11, 0.85), rgba(4, 7, 11, 0));
}

.hud--bottom {
  bottom: 0;
  height: 94px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: linear-gradient(0deg, rgba(4, 7, 11, 0.94), rgba(4, 7, 11, 0.35));
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: var(--accent);
  border: 1px solid rgba(85, 227, 192, 0.3);
  border-radius: 2px;
}
.brand__name {
  font-size: 14px;
  letter-spacing: 0.26em;
  color: #dfeaea;
}
.brand__sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: #5d6f7e;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.hud__right { display: flex; align-items: center; gap: 26px; }
.hud__live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  color: #6d7f8d;
}
.hud__live i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulseDot 2.4s var(--ease-soft) infinite;
}
.hud__counter {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--num);
  letter-spacing: 0.06em;
}
.hud__counter b { font-size: 22px; font-weight: 600; color: #f0f7f6; }
.hud__counter span { font-size: 12px; color: #5d6f7e; }

/* ---------- 通用排版 ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 30px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: #7f919f;
  text-transform: uppercase;
}
.eyebrow__bar {
  width: 26px;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(85, 227, 192, 0.7);
}
.eyebrow span { color: #4d5f6d; letter-spacing: 0.24em; }

.s-title {
  margin: 0 0 26px;
  font-size: 54px;
  line-height: 1.26;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: #f2f8f8;
}
.s-sub {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: #63747f;
}
.lead {
  margin: 0;
  max-width: 620px;
  font-size: 17px;
  line-height: 2.05;
  color: var(--text-2);
  letter-spacing: 0.01em;
}

/* ---------- 场景容器与转场 ---------- */
.scenes { position: absolute; inset: 0; z-index: 10; }

.scene {
  position: absolute;
  inset: 0;
  padding: 122px 72px 116px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate3d(46px, 0, 0);
  transition:
    opacity 0.62s var(--ease-soft),
    transform 0.9s var(--ease),
    visibility 0.62s;
  will-change: opacity, transform;
}
.scene.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}
.scene.is-leaving {
  opacity: 0;
  transform: translate3d(-46px, 0, 0);
}

/* 进入动画 */
.scene.is-active [data-anim] {
  animation: riseIn 0.95s var(--ease) both;
  animation-delay: calc(var(--d, 0) * 85ms + 160ms);
}
@keyframes riseIn {
  from { opacity: 0; transform: translate3d(0, 26px, 0); }
  to { opacity: 1; transform: none; }
}

.scene__glow {
  position: absolute;
  pointer-events: none;
  filter: blur(20px);
  opacity: 0;
  transition: opacity 1.1s var(--ease-soft);
}
.scene.is-active .scene__glow { opacity: 1; }

.scene__glow--teal {
  left: -240px;
  top: -160px;
  width: 1100px;
  height: 900px;
  background: radial-gradient(50% 50% at 50% 50%, rgba(85, 227, 192, 0.16), transparent 70%);
}
.scene__glow--teal-right {
  right: -300px;
  top: -220px;
  width: 1100px;
  height: 980px;
  background: radial-gradient(50% 50% at 50% 50%, rgba(85, 227, 192, 0.13), transparent 70%);
}
.scene__glow--amber {
  right: -180px;
  bottom: -320px;
  width: 1200px;
  height: 900px;
  background: radial-gradient(50% 50% at 50% 50%, rgba(240, 169, 92, 0.14), transparent 70%);
}
.scene__glow--horizon {
  left: 50%;
  bottom: -420px;
  width: 1600px;
  height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(50% 50% at 50% 50%, rgba(85, 227, 192, 0.2), transparent 68%);
}

/* ============================================================
   01 序
   ============================================================ */
.scene--prologue { display: grid; align-items: center; }
.prologue__inner { position: relative; z-index: 3; padding-left: 34px; max-width: 1000px; }

.hero-name {
  margin: 0;
  font-size: 156px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #f4fbfa;
  text-shadow: 0 0 70px rgba(85, 227, 192, 0.22);
}
.scene.is-active .hero-name {
  animation: nameIn 1.35s var(--ease) both;
  animation-delay: calc(var(--d, 1) * 85ms + 120ms);
}
@keyframes nameIn {
  from { clip-path: inset(0 0 108% 0); opacity: 0; transform: translate3d(0, 30px, 0); filter: blur(10px); }
  to { clip-path: inset(-20% -30% -30% -30%); opacity: 1; transform: none; filter: blur(0); }
}

.hero-en {
  margin: 22px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.52em;
  color: var(--accent);
  opacity: 0.9;
}
.hero-role {
  margin: 30px 0 0;
  font-size: 21px;
  letter-spacing: 0.12em;
  color: #dbe7e6;
}
.hero-role span {
  display: block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.34em;
  color: #657786;
}
.hero-rule {
  width: 420px;
  height: 1px;
  margin: 38px 0 34px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.hero-rule i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--accent), rgba(85, 227, 192, 0));
  transform: scaleX(0);
  transform-origin: left;
}
.scene.is-active .hero-rule i {
  animation: ruleGrow 1.6s var(--ease) 0.7s both;
}
@keyframes ruleGrow { to { transform: scaleX(1); } }

.hero-tagline {
  margin: 0;
  font-size: 31px;
  line-height: 1.72;
  letter-spacing: 0.06em;
  color: #a9bfc6;
}

.prologue__meta {
  position: absolute;
  left: 106px;
  right: 106px;
  bottom: 146px;
  display: flex;
  gap: 46px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: #64798a;
  text-transform: uppercase;
}
.prologue__meta span + span { position: relative; }
.prologue__meta span + span::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 50%;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #3a4b58;
}

/* 光环 */
.rings {
  position: absolute;
  right: -170px;
  top: 50%;
  width: 760px;
  height: 760px;
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity 1.6s var(--ease-soft);
}
.scene.is-active .rings { opacity: 1; }
.rings svg { width: 100%; height: 100%; }
.ring {
  fill: none;
  stroke: rgba(85, 227, 192, 0.3);
  stroke-width: 1;
  transform-origin: 360px 360px;
}
.ring--1 { stroke-dasharray: 2 10; animation: spin 90s linear infinite; }
.ring--2 { stroke: rgba(255, 255, 255, 0.13); stroke-dasharray: 120 460; animation: spin 60s linear infinite reverse; }
.ring--3 { stroke: rgba(85, 227, 192, 0.18); stroke-dasharray: 1 6; animation: spin 140s linear infinite; }
.ring-dot { fill: var(--accent); filter: drop-shadow(0 0 8px rgba(85, 227, 192, 0.9)); animation: spin 60s linear infinite; transform-origin: 360px 360px; }
.ring-dot--b { fill: rgba(255, 255, 255, 0.5); animation-duration: 90s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   02 人物
   ============================================================ */
.profile__grid {
  display: grid;
  grid-template-columns: 428px 1fr;
  gap: 96px;
  align-items: center;
  height: 100%;
}

.portrait { position: relative; margin: 0; }
.portrait__frame {
  position: relative;
  width: 100%;
  height: 552px;
  overflow: hidden;
  background: #070c11;
  clip-path: inset(0 0 100% 0);
}
.scene.is-active .portrait__frame {
  animation: frameIn 1.2s var(--ease) 0.2s forwards;
}
@keyframes frameIn { to { clip-path: inset(0 0 0 0); } }

.portrait__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 22%;
  transform: scale(1.14) translate3d(calc(var(--px, 0) * -10px), calc(var(--py, 0) * -10px), 0);
  transition: transform 1.2s var(--ease), filter 1s;
  filter: saturate(0.72) contrast(1.06) brightness(0.92);
}
.portrait__tone {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 8, 12, 0.1) 0%, rgba(4, 8, 12, 0.15) 45%, rgba(4, 8, 12, 0.92) 100%),
    radial-gradient(90% 70% at 18% 12%, rgba(85, 227, 192, 0.2), transparent 62%);
  mix-blend-mode: screen;
  opacity: 0.55;
}
.portrait__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.09);
  pointer-events: none;
}
.portrait__scan {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(85, 227, 192, 0.1) 70%, rgba(85, 227, 192, 0.5) 99%, transparent);
  mix-blend-mode: screen;
  animation: scanY 6.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  opacity: 0;
}
.scene.is-active .portrait__scan { opacity: 0.8; }
@keyframes scanY {
  0% { transform: translateY(-160px); opacity: 0; }
  25% { opacity: 0.8; }
  75% { opacity: 0.8; }
  100% { transform: translateY(600px); opacity: 0; }
}

.corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid rgba(85, 227, 192, 0.6);
  opacity: 0;
}
.scene.is-active .corner { animation: fadeIn 0.6s ease 0.9s both; }
.corner--tl { top: -8px; left: -8px; border-right: 0; border-bottom: 0; }
.corner--tr { top: -8px; right: -8px; border-left: 0; border-bottom: 0; }
.corner--bl { bottom: 20px; left: -8px; border-right: 0; border-top: 0; }
.corner--br { bottom: 20px; right: -8px; border-left: 0; border-top: 0; }
@keyframes fadeIn { to { opacity: 1; } }

.portrait__cap {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.26em;
  color: #52656f;
}

.profile__rail {
  position: absolute;
  right: 46px;
  top: 196px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  opacity: 0.85;
}
.profile__rail span {
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.34em;
  color: #566976;
  text-transform: uppercase;
}
.profile__rail i {
  width: 1px;
  height: 90px;
  background: linear-gradient(180deg, rgba(85, 227, 192, 0.6), rgba(255, 255, 255, 0.05));
}

.profile__text { padding-bottom: 10px; }
.profile__text .s-title { font-size: 58px; }

.rules {
  display: flex;
  gap: 0;
  margin: 40px 0 34px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.rule-item {
  padding-right: 38px;
  margin-right: 38px;
  border-right: 1px solid var(--line);
}
.rule-item:last-child { border: 0; padding-right: 0; margin-right: 0; }
.rule-item b {
  display: block;
  font-family: var(--num);
  font-size: 42px;
  font-weight: 600;
  color: #eff8f6;
  letter-spacing: 0.02em;
  line-height: 1;
}
.rule-item span {
  display: block;
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: #78899a;
}

.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.tags li {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: #a8bcc4;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.02);
}

/* ============================================================
   03 轨迹
   ============================================================ */
.scene--path { display: flex; flex-direction: column; }
.scene__head { margin-bottom: 10px; }
.scene--path .s-title { font-size: 48px; margin-bottom: 12px; }

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 0 0 6px;
  flex: none;
  padding: 0;
  list-style: none;
}
.timeline::before,
.timeline::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 66px;
  height: 1px;
  transform-origin: left;
  transform: scaleX(0);
}
.timeline::before { background: rgba(255, 255, 255, 0.13); }
.timeline::after { background: linear-gradient(90deg, var(--accent), rgba(85, 227, 192, 0.15)); }
.scene.is-active .timeline::before { animation: lineGrow 1.1s var(--ease) 0.3s both; }
.scene.is-active .timeline::after { animation: lineGrow 1.6s var(--ease) 0.45s both; box-shadow: 0 0 18px rgba(85, 227, 192, 0.35); }
@keyframes lineGrow { to { transform: scaleX(1); } }

.tl {
  position: relative;
  padding: 96px 24px 0 0;
  opacity: 0;
}
.scene.is-active .tl {
  animation: riseIn 0.85s var(--ease) both;
  animation-delay: calc(var(--i) * 110ms + 0.55s);
}
.tl__year {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--num);
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #f0f8f7;
  line-height: 1;
}
.tl__dot {
  position: absolute;
  top: 62px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #0b1319;
  border: 1px solid rgba(85, 227, 192, 0.8);
  box-shadow: 0 0 0 4px rgba(85, 227, 192, 0.08);
  transition: background 0.35s, box-shadow 0.35s;
}
.scene.is-active .tl__dot { animation: dotIn 0.5s var(--ease) both; animation-delay: calc(var(--i) * 110ms + 0.5s); }
@keyframes dotIn {
  0% { transform: scale(0); background: #55e3c0; box-shadow: 0 0 0 0 rgba(85, 227, 192, 0.6); }
  60% { transform: scale(1.5); box-shadow: 0 0 0 10px rgba(85, 227, 192, 0.06); }
  100% { transform: scale(1); box-shadow: 0 0 0 4px rgba(85, 227, 192, 0.08); }
}
.tl h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #e7f0f1;
}
.tl p {
  margin: 0;
  max-width: 212px;
  font-size: 13px;
  line-height: 1.9;
  color: #7c8e9b;
}
.tl::before {
  content: "";
  position: absolute;
  top: 66px;
  left: 0;
  width: 1px;
  height: 0;
  background: linear-gradient(180deg, rgba(85, 227, 192, 0.5), transparent);
}
.scene.is-active .tl::before { animation: tickGrow 0.7s var(--ease) both; animation-delay: calc(var(--i) * 110ms + 0.7s); }
@keyframes tickGrow { to { height: 18px; } }

/* ============================================================
   04 领域
   ============================================================ */
.domain__grid {
  display: grid;
  grid-template-columns: 580px 1fr;
  gap: 66px;
  align-items: center;
  height: 100%;
}
.radar-wrap { position: relative; }
.radar { display: block; width: 100%; max-width: 560px; overflow: visible; margin: 0 auto; }
.radar__grid line { stroke: rgba(255, 255, 255, 0.055); stroke-width: 1; }
.radar__grid polygon { fill: none; stroke: rgba(255, 255, 255, 0.06); stroke-width: 1; }
.radar__axes line { stroke: rgba(255, 255, 255, 0.08); stroke-width: 1; }
.radar__shape {
  fill: rgba(85, 227, 192, 0.14);
  stroke: var(--accent);
  stroke-width: 1.5;
  transform-origin: 220px 220px;
  transform: scale(0.3);
  opacity: 0;
  transition: transform 1.4s var(--ease) 0.4s, opacity 0.8s ease 0.4s;
  filter: drop-shadow(0 0 14px rgba(85, 227, 192, 0.35));
}
.scene.is-active .radar__shape { transform: scale(1); opacity: 1; }
.radar__dots circle {
  fill: #04110e;
  stroke: var(--accent);
  stroke-width: 1.6;
  opacity: 0;
  transition: opacity 0.4s ease 1.2s;
}
.scene.is-active .radar__dots circle { opacity: 1; }
.radar__labels text {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  fill: #8195a3;
  opacity: 0;
  transition: opacity 0.6s ease 1s;
}
.radar__labels text.is-main { fill: #cfe0e4; font-size: 11.5px; }
.scene.is-active .radar__labels text { opacity: 1; }
.radar__note {
  margin: 32px 0 0;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: #4f616e;
  text-align: center;
}

.domain__text .s-title { font-size: 44px; }
.lanes { margin: 38px 0 0; padding: 0; list-style: none; }
.lane {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.lane:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.lane__no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 7px;
}
.lane h3 { margin: 0 0 8px; font-size: 20px; font-weight: 500; color: #e9f2f2; letter-spacing: 0.02em; }
.lane p { margin: 0 0 16px; font-size: 13.5px; line-height: 1.85; color: #8496a3; }
.lane__bar { height: 2px; background: rgba(255, 255, 255, 0.09); overflow: hidden; }
.lane__bar i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, rgba(85, 227, 192, 0.55), var(--accent));
  transition: width 1.3s var(--ease) 0.7s;
}
.scene.is-active .lane__bar i { width: var(--w); }

/* ============================================================
   05 成果
   ============================================================ */
.impact__head { display: flex; flex-direction: column; }
.impact__head .s-title { font-size: 50px; margin-bottom: 0; }
.metrics {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr 1fr;
  gap: 0;
  margin-top: 62px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.metric {
  padding: 34px 34px 0 0;
  margin-right: 34px;
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  flex-direction: column;
}
.metric:last-child { border: 0; margin-right: 0; padding-right: 0; }
.metric__num {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--num);
  color: #f5fbfa;
}
.metric__num b {
  font-size: 92px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.metric--xl .metric__num b { font-size: 148px; color: #fff; text-shadow: 0 0 50px rgba(85, 227, 192, 0.28); }
.metric__num i {
  white-space: nowrap;
  font-style: normal;
  font-family: var(--sans);
  font-size: 20px;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.metric__label {
  margin-top: 24px;
  font-size: 14px;
  letter-spacing: 0.14em;
  color: #c2d1d7;
}
.metric__en {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  color: #4d5f6c;
}
.impact__note {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: #485965;
}

/* ============================================================
   06 信念
   ============================================================ */
.scene--belief { display: grid; place-items: center; text-align: center; }
.scene--impact { display: flex; flex-direction: column; }
.belief__inner { position: relative; z-index: 3; max-width: 1180px; }
.belief__inner .eyebrow { justify-content: center; }
.belief__orb {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 980px;
  height: 980px;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 1.4s ease 0.2s;
}
.scene.is-active .belief__orb { opacity: 1; }
.belief__orb svg { width: 100%; height: 100%; }
.orb-ring {
  fill: none;
  stroke: rgba(255, 255, 255, 0.05);
  stroke-width: 1;
}
.orb-ring--1 { stroke-dasharray: 1 8; animation: spin 120s linear infinite; transform-origin: 450px 450px; }
.orb-ring--2 { stroke: rgba(85, 227, 192, 0.1); stroke-dasharray: 180 900; animation: spin 70s linear infinite reverse; transform-origin: 450px 450px; }

.quote { position: relative; margin: 0; padding: 0 30px; }
.quote__mark {
  position: absolute;
  left: -18px;
  top: -70px;
  font-family: var(--num);
  font-size: 210px;
  line-height: 1;
  color: rgba(85, 227, 192, 0.14);
}
.quote__line {
  display: block;
  margin: 0;
  font-size: 62px;
  line-height: 1.5;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: #f2f8f7;
}
.quote__ch { display: inline-block; opacity: 0; }
.scene.is-active .quote__ch {
  animation: chIn 0.85s var(--ease) both;
  animation-delay: calc(var(--c) * 28ms + 0.35s);
}
@keyframes chIn {
  from { opacity: 0; transform: translate3d(0, 18px, 0); filter: blur(6px); }
  to { opacity: 1; transform: none; filter: blur(0); }
}
.quote__by {
  margin: 42px 0 0;
  font-size: 13px;
  letter-spacing: 0.24em;
  color: #9db0b8;
}
.quote__by span {
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: #5c6e7b;
}
.creed {
  display: flex;
  justify-content: center;
  gap: 0;
  margin: 76px 0 0;
  padding: 0;
  list-style: none;
}
.creed li {
  padding: 0 42px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  text-align: left;
}
.creed li:last-child { border: 0; }
.creed b { display: block; font-size: 15px; font-weight: 500; color: #dbe8e8; letter-spacing: 0.08em; }
.creed span { display: block; margin-top: 10px; font-size: 11.5px; color: #6f8290; letter-spacing: 0.06em; }

/* ============================================================
   07 愿景
   ============================================================ */
.scene--vision { display: flex; flex-direction: column; justify-content: center; }
.vision__inner { position: relative; z-index: 3; padding-left: 34px; max-width: 900px; }
.vision__title {
  margin: 0;
  font-size: 62px;
  line-height: 1.42;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: #f1f9f8;
}
.vision__title em {
  font-style: normal;
  color: var(--accent);
  position: relative;
}
.vision__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.vision__plans { display: flex; gap: 62px; margin: 54px 0 0; }
.plan { display: flex; align-items: baseline; gap: 16px; }
.plan__year {
  font-family: var(--num);
  font-size: 26px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.plan p { margin: 0; font-size: 14px; letter-spacing: 0.1em; color: #a5b8c0; }
.vision__sign {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-top: 62px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 620px;
}
.vision__logo { font-size: 20px; letter-spacing: 0.3em; color: #e4eeee; }
.vision__logo-en { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.32em; color: #556775; }
.restart {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 46px;
  padding: 12px 22px;
  background: transparent;
  border: 1px solid rgba(85, 227, 192, 0.35);
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.restart:hover { background: var(--accent); color: #04110e; border-color: var(--accent); }

.vision__foot {
  position: absolute;
  right: 106px;
  bottom: 142px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: #4c5e6b;
}
.vision__foot kbd {
  display: inline-block;
  margin: 0 2px;
  padding: 0 5px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 9px;
  color: #8b9ca8;
}

.horizon {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 128px;
  height: 1px;
  opacity: 0.8;
}
.horizon__line {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(85, 227, 192, 0.55) 30%, rgba(255, 255, 255, 0.4) 50%, rgba(85, 227, 192, 0.55) 70%, transparent);
  box-shadow: 0 0 30px rgba(85, 227, 192, 0.3);
}
.horizon__sun {
  position: absolute;
  left: 50%;
  bottom: -170px;
  width: 420px;
  height: 340px;
  transform: translateX(-50%);
  background: radial-gradient(50% 50% at 50% 100%, rgba(85, 227, 192, 0.28), transparent 70%);
  border-radius: 50% 50% 0 0;
  animation: horizonBreathe 7s ease-in-out infinite;
}
@keyframes horizonBreathe {
  0%, 100% { opacity: 0.55; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.95; transform: translateX(-50%) scale(1.06); }
}

/* ============================================================
   HUD 交互
   ============================================================ */
.chapters { display: flex; align-items: stretch; gap: 0; }
.chap {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 16px;
  background: none;
  border: 0;
  color: #6d7f8c;
  cursor: pointer;
  transition: color 0.35s;
}
.chap__num {
  font-family: var(--num);
  font-size: 11px;
  letter-spacing: 0.12em;
  opacity: 0.65;
  transition: color 0.35s, opacity 0.35s;
}
.chap__label {
  font-size: 12.5px;
  letter-spacing: 0.22em;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  transition: max-width 0.5s var(--ease), opacity 0.35s;
}
.chap__tick {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 6px;
  height: 1px;
  background: rgba(255, 255, 255, 0.14);
  transition: background 0.35s, box-shadow 0.35s;
}
.chap:hover { color: #d3e4e4; }
.chap:hover .chap__tick { background: rgba(255, 255, 255, 0.4); }
.chap.is-active { color: #f0f8f7; }
.chap.is-active .chap__num { color: var(--accent); opacity: 1; }
.chap.is-active .chap__label { max-width: 60px; opacity: 1; }
.chap.is-active .chap__tick { background: var(--accent); box-shadow: 0 0 12px rgba(85, 227, 192, 0.8); }
.chap:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }

.controls { display: flex; align-items: center; gap: 16px; }
.keys {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-right: 6px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: #5a6c79;
}
.keys kbd {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 2px;
  color: #93a6b2;
  font-family: var(--mono);
  font-size: 10px;
}
.keys span { margin-left: 6px; }

.ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 2px;
  color: #8a9ca8;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}
.ghost:hover { color: #e2efee; border-color: rgba(85, 227, 192, 0.5); }
.ghost[aria-pressed="true"] { color: var(--accent); border-color: rgba(85, 227, 192, 0.55); background: rgba(85, 227, 192, 0.08); }
.ghost__state { font-family: var(--mono); font-size: 9.5px; opacity: 0.8; }
.ghost--icon { padding: 0; width: 34px; justify-content: center; }
.ghost:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }

.arrows { display: flex; gap: 10px; margin-left: 4px; }
.arrow {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.02);
  color: #cfe0e2;
  cursor: pointer;
  transition: border-color 0.3s, color 0.3s, background 0.3s, transform 0.3s var(--ease);
}
.arrow:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.arrow--next {
  background: var(--accent);
  border-color: var(--accent);
  color: #04110e;
  box-shadow: 0 0 26px rgba(85, 227, 192, 0.25);
}
.arrow--next:hover { background: #7af0d3; color: #04110e; }
.arrow:active { transform: scale(0.95); }
.arrow:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.05);
}
.progress i {
  display: block;
  height: 100%;
  width: 14.28%;
  background: linear-gradient(90deg, rgba(85, 227, 192, 0.4), var(--accent));
  box-shadow: 0 0 14px rgba(85, 227, 192, 0.5);
  transition: width 0.65s var(--ease);
}

/* 自动播放剩余进度 */
.auto-timer {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: rgba(240, 169, 92, 0.9);
  z-index: 2;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .quote__ch { opacity: 1; }
}

/* 反向切换时的入场方向 */
.scene.dir-back:not(.is-active) { transform: translate3d(-46px, 0, 0); }
.scene.dir-back.is-leaving { transform: translate3d(46px, 0, 0); }

/* 章节序号对齐 */
.chap:focus { outline: none; }


/* ============================================================
   补充：轨迹曲线 / 增长图 / 全球节点
   ============================================================ */
@keyframes pulseDot {
  0%, 100% { opacity: 0.45; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}
@keyframes drawLine { to { stroke-dashoffset: 0; } }

/* --- 03 收敛曲线 --- */
.path__viz {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  margin: 18px 0 6px;
}
.path__curve { display: block; width: 100%; height: 100%; overflow: visible; }
.curve-base {
  stroke: rgba(255, 255, 255, 0.09);
  stroke-width: 1;
  stroke-dasharray: 2 10;
  vector-effect: non-scaling-stroke;
}
.curve-line {
  fill: none;
  stroke: url(#curveGrad);
  stroke-width: 1.2;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 6px rgba(85, 227, 192, 0.4));
}
.scene.is-active .curve-line { animation: drawLine 2.4s var(--ease) 0.3s forwards; }
.curve-dot {
  fill: var(--accent);
  opacity: 0;
  filter: drop-shadow(0 0 12px rgba(85, 227, 192, 0.9));
}
.scene.is-active .curve-dot { animation: fadeIn 0.6s ease 2.4s both; }
.path__tag {
  position: absolute;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  color: #4b5d69;
}
.path__tag--a { left: 2px; top: 4px; }
.path__tag--b { right: 2px; top: 58%; color: #7d6b56; }

/* --- 05 增长曲线 --- */
.growth {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.growth__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: #5d6f7c;
}
.growth__cagr { color: #6d8290; }
.growth__cagr b {
  font-family: var(--num);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--accent);
}
.growth__chart { display: block; width: 100%; height: 124px; margin-top: 10px; overflow: visible; }
.growth__base {
  stroke: rgba(255, 255, 255, 0.1);
  stroke-dasharray: 2 8;
  vector-effect: non-scaling-stroke;
}
.growth__area { fill: url(#areaGrad); opacity: 0; transition: opacity 1.4s ease 1.1s; }
.scene.is-active .growth__area { opacity: 1; }
.growth__line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.4;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 8px rgba(85, 227, 192, 0.45));
}
.scene.is-active .growth__line { animation: drawLine 2.1s var(--ease) 0.5s forwards; }
.growth__dot { fill: #07120f; stroke: var(--accent); stroke-width: 2; opacity: 0; }
.scene.is-active .growth__dot { animation: fadeIn 0.4s ease 2.4s both; }
.growth__axis {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: #3f505c;
}

/* --- 07 全球节点 --- */
.vision__side::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 42%;
  width: 520px;
  height: 520px;
  transform: translate(-50%, -50%);
  background: radial-gradient(50% 50% at 50% 50%, rgba(85, 227, 192, 0.14), transparent 70%);
  pointer-events: none;
}
@keyframes linkFlow { to { stroke-dashoffset: -32; } }

.vision__side {
  position: absolute;
  right: 34px;
  top: 50%;
  width: 380px;
  transform: translateY(-52%);
  text-align: center;
  opacity: 0;
  transition: opacity 1.2s ease 0.5s;
}
.scene.is-active .vision__side { opacity: 1; }
.globe { width: 380px; height: 380px; }
.globe__ring { fill: none; stroke: rgba(85, 227, 192, 0.3); stroke-width: 1; }
.globe__ring--dash {
  stroke: rgba(85, 227, 192, 0.28);
  stroke-dasharray: 1 6;
  transform-origin: 210px 210px;
  animation: spin 80s linear infinite;
}
.globe__links line { stroke: rgba(85, 227, 192, 0.22); stroke-width: 1; stroke-dasharray: 3 5; animation: linkFlow 4s linear infinite; }
.globe__core { fill: var(--accent); filter: drop-shadow(0 0 10px rgba(85, 227, 192, 0.9)); }
.globe__nodes circle { fill: var(--accent); filter: drop-shadow(0 0 8px rgba(85, 227, 192, 0.95)); animation: pulseDot 4s ease-in-out infinite; }
.globe__labels text { font-family: var(--mono); font-size: 9px; letter-spacing: 0.16em; fill: #9db0bc; }
.vision__side-label {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: #4f616e;
}