:root {
  --bg: #0c0e14;
  --panel: #12151e;
  --gold: #e8c55a;
  --gold-soft: #f0daa0;
  --blue: #4a9eff;
  --orange: #d4622a;
  --text: #eaeaea;
  --muted: #9a9daa;
  --dim: #636678;
  --ghost: #3a3d4a;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.2);
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", "SFMono-Regular", Consolas, Monaco, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-snap-type: none;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
h1, h2, p, figure, blockquote { margin-top: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  color: var(--bg);
  background: var(--gold);
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 clamp(1.2rem, 3.4vw, 4rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(12, 14, 20, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand strong {
  color: var(--gold);
  font-size: clamp(0.95rem, 1vw, 1.12rem);
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 2.6vw, 3rem);
  color: var(--muted);
  font-size: clamp(0.92rem, 0.95vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.055em;
}

.site-nav a {
  padding: 0.85rem 0;
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible { color: var(--gold); }

.language-switch {
  flex: 0 0 auto;
  min-width: 42px;
  padding: 0.52rem 0.65rem;
  color: var(--gold);
  border: 1px solid rgba(232, 197, 90, 0.38);
  font: 800 0.74rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-align: center;
  transition: color 160ms ease, background 160ms ease;
}

.language-switch:hover,
.language-switch:focus-visible {
  color: var(--bg);
  background: var(--gold);
}

.screen {
  position: relative;
  min-height: auto;
  display: grid;
  align-items: stretch;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  scroll-snap-align: none;
}

.screen-inner,
.hero-inner {
  position: relative;
  z-index: 3;
  width: min(1360px, calc(100% - clamp(5rem, 14vw, 17rem)));
  margin-inline: auto;
}

.screen-inner { padding: clamp(6.2rem, 8.5vh, 7.6rem) 0 clamp(3.5rem, 5.5vh, 5rem); }

.section-kicker {
  margin-bottom: clamp(1rem, 2.2vh, 1.5rem);
  color: var(--gold);
  font: 700 0.66rem/1.4 var(--mono);
  letter-spacing: 0.18em;
}

.section-kicker.evidence { color: var(--blue); }

.screen h2 {
  margin-bottom: 0;
  font-size: clamp(2.8rem, 4.5vw, 5rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.065em;
}

.screen h2 em {
  color: var(--gold-soft);
  font-style: normal;
}

/* 01 · 首屏 */
.hero {
  min-height: 100svh;
  align-items: center;
  background: #080a0f;
}

.world-grid,
.product-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.92), transparent 88%);
}

.world-grid::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(transparent, var(--gold), transparent);
  opacity: 0.42;
  animation: scanWorld 7s linear infinite;
}

.hero::before {
  content: "WORLD";
  position: absolute;
  left: -0.06em;
  bottom: -0.16em;
  color: rgba(255, 255, 255, 0.018);
  font: 900 clamp(18rem, 34vw, 38rem)/0.8 var(--font);
  letter-spacing: -0.12em;
}

.hero-inner {
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(570px, 1fr) minmax(420px, 0.78fr);
  align-items: center;
  gap: clamp(2rem, 3.5vw, 4.2rem);
  padding-top: 64px;
}

.hero h1 {
  position: relative;
  z-index: 5;
  margin: 0;
  font-size: clamp(4.35rem, 6.4vw, 7.35rem);
  font-weight: 950;
  line-height: 1.02;
  letter-spacing: -0.075em;
}

.hero h1 span,
.hero h1 em { display: block; }

.hero h1 span:first-child {
  font-size: 0.72em;
  letter-spacing: -0.065em;
  white-space: nowrap;
}

.hero h1 span:nth-child(2) {
  margin-top: 0.1em;
  font-size: 1em;
}

.hero h1 em {
  margin-top: 0.03em;
  color: var(--gold-soft);
  font-size: 1.14em;
  font-style: normal;
  white-space: nowrap;
}

.hero-person {
  position: relative;
  align-self: end;
  height: calc(100svh - 82px);
  min-height: 610px;
  margin: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.hero-person::before {
  content: "";
  position: absolute;
  inset: 7% -2% 3%;
  border: 1px solid var(--line-strong);
  background: radial-gradient(circle at 50% 34%, rgba(232, 197, 90, 0.08), transparent 54%);
  box-shadow: inset 0 0 90px rgba(232, 197, 90, 0.025);
}

.hero-person img {
  position: relative;
  z-index: 3;
  width: min(110%, 620px);
  max-width: none;
  height: 101%;
  object-fit: contain;
  object-position: bottom center;
  filter: saturate(0.94) contrast(1.1) brightness(1.035) drop-shadow(0 28px 46px rgba(0, 0, 0, 0.38));
  animation: personBreathe 7s ease-in-out infinite;
}

.orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(232, 197, 90, 0.16);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-a {
  right: 10%;
  top: 17%;
  width: min(38vw, 660px);
  aspect-ratio: 1;
  animation: orbitTurn 28s linear infinite;
}

.orbit-b {
  right: 13%;
  top: 29%;
  width: min(24vw, 420px);
  aspect-ratio: 1;
  animation: orbitTurn 18s linear infinite reverse;
}

.orbit i {
  position: absolute;
  top: 50%;
  left: -4px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  box-shadow: 0 0 24px rgba(232, 197, 90, 0.5);
}

/* 02 · 简介 */
.story { background: #0e1118; }

.story::before {
  content: "10 YEARS";
  position: absolute;
  right: -0.02em;
  bottom: -0.1em;
  color: rgba(255, 255, 255, 0.018);
  font: 900 clamp(10rem, 18vw, 21rem)/0.8 var(--font);
  letter-spacing: -0.08em;
}

.story-layout {
  display: block;
}

.story-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.55fr);
  align-items: end;
  gap: 0 clamp(3rem, 6vw, 7rem);
}

.story-copy .section-kicker {
  grid-column: 1;
  grid-row: 1;
}

.story-copy h2 {
  grid-column: 1;
  grid-row: 2;
  font-size: clamp(3rem, 4.1vw, 4.55rem);
}

.story-deckline {
  grid-column: 2;
  grid-row: 1 / 3;
  margin: 0 0 0.45rem;
  padding-left: 1.15rem;
  color: var(--muted);
  border-left: 3px solid var(--gold);
  font-size: clamp(0.96rem, 1.05vw, 1.12rem);
  font-weight: 620;
  line-height: 1.7;
}

.journey-timeline {
  margin: clamp(1.5rem, 2.6vh, 2.2rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  list-style: none;
  background: var(--line);
}

.journey-timeline li {
  min-width: 0;
  overflow: hidden;
  background: #11141c;
}

.journey-timeline figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 5.8;
  background: var(--panel);
}

.journey-timeline img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.76) contrast(1.08);
  transition: scale 500ms ease, filter 500ms ease;
}

.journey-timeline li:hover img {
  scale: 1.025;
  filter: saturate(0.92) contrast(1.08);
}

.journey-timeline li:nth-child(1) img { object-position: center 44%; }
.journey-timeline li:nth-child(2) img { object-position: center 48%; }
.journey-timeline li:nth-child(3) img { object-position: center 54%; }
.journey-timeline li:nth-child(4) img { object-position: center 52%; }
.journey-timeline li:nth-child(5) img { object-position: center 60%; }
.journey-timeline li:nth-child(6) img { object-position: center 63%; }

.journey-timeline figcaption {
  position: absolute;
  top: 0.8rem;
  left: 0.85rem;
  padding: 0.42rem 0.55rem;
  color: var(--gold);
  background: rgba(7, 9, 13, 0.82);
  border: 1px solid rgba(232, 197, 90, 0.42);
  backdrop-filter: blur(8px);
}

.journey-timeline li > div { padding: 0.88rem 0.95rem 0.95rem; }

.journey-timeline time,
.journey-timeline strong,
.journey-timeline span { display: block; }

.journey-timeline time {
  font: 850 0.8rem/1 var(--mono);
}

.journey-timeline strong {
  margin-bottom: 0.38rem;
  color: var(--text);
  font-size: clamp(1rem, 1.05vw, 1.12rem);
}

.journey-timeline span {
  color: var(--muted);
  font-size: clamp(0.88rem, 0.92vw, 0.98rem);
  line-height: 1.55;
}

.journey-quote {
  margin: clamp(1.2rem, 2.2vh, 1.8rem) 0 0;
  color: var(--gold-soft);
  font-size: clamp(0.94rem, 1.05vw, 1.08rem);
  font-weight: 720;
  text-align: center;
}

/* 03 · 产品 */
.product { background: #080a0f; }

.product .screen-inner {
  width: min(1500px, calc(100% - clamp(3rem, 8vw, 10rem)));
}

.product-grid {
  opacity: 0.52;
  mask-image: linear-gradient(90deg, transparent 12%, rgba(0, 0, 0, 0.95));
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(540px, 0.9fr) minmax(560px, 1.1fr);
  align-items: center;
  gap: clamp(2rem, 3vw, 4rem);
}

.product h2 {
  color: var(--blue);
  font-size: clamp(2.9rem, 3vw, 3.7rem);
  white-space: nowrap;
}

.product-name {
  margin: clamp(1.4rem, 3vh, 2rem) 0 0;
  font-size: clamp(1.4rem, 2vw, 2.1rem);
  font-weight: 850;
}

.search-console {
  margin-top: clamp(1.2rem, 3vh, 2rem);
  padding: clamp(1.15rem, 1.5vw, 1.45rem);
  border: 1px solid rgba(74, 158, 255, 0.36);
  background: rgba(74, 158, 255, 0.035);
}

.search-console > p:first-child {
  margin-bottom: 0.9rem;
  color: var(--blue);
  font-size: 1rem;
  font-weight: 750;
}

.search-console form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
}

.search-console input {
  min-width: 0;
  min-height: 54px;
  padding: 0 0.95rem;
  color: var(--text);
  background: #090c12;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  outline: none;
  font-size: 1rem;
}

.search-console input:focus { border-color: var(--blue); }

.search-console form button,
.copy-ai {
  min-height: 54px;
  padding: 0 1.2rem;
  border-radius: 0;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 750;
}

.search-console form button {
  color: #fff;
  background: var(--orange);
  border: 1px solid var(--orange);
}

.ai-prompt {
  margin: 1rem 0 0;
  padding: 0.85rem 0 0 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  border-left: 2px solid var(--blue);
  font-size: 1rem;
  line-height: 1.65;
}

.copy-ai {
  min-height: 44px;
  margin-top: 0.8rem;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--orange);
}

.copy-ai:hover,
.copy-ai:focus-visible { background: var(--orange); }

.product-window {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(74, 158, 255, 0.42);
  background: var(--panel);
  box-shadow: 28px 28px 0 rgba(74, 158, 255, 0.035);
}

.window-bar {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0 0.9rem;
  border-bottom: 1px solid var(--line);
}

.window-bar i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ghost);
}

.window-bar i:first-child { background: var(--orange); }

.window-bar span {
  margin-left: auto;
  color: var(--dim);
  font: 0.7rem/1 var(--mono);
}

.product-window img {
  width: 100%;
  height: auto;
  aspect-ratio: 2.006 / 1;
  object-fit: cover;
}

.product-window figcaption {
  margin: 0;
  padding: 0.8rem 1rem;
  color: var(--dim);
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
}

/* 04 · 时代机会 */
.opportunity {
  align-items: stretch;
  min-height: auto;
  overflow: visible;
  background: #0e1118;
}

.opportunity-word {
  position: absolute;
  right: 0;
  bottom: -0.18em;
  color: rgba(232, 197, 90, 0.026);
  font: 900 clamp(22rem, 52vw, 54rem)/0.8 var(--font);
  letter-spacing: -0.13em;
}

.opportunity-inner {
  min-height: auto;
  padding-top: clamp(7rem, 10vh, 8.5rem);
  padding-bottom: clamp(3.5rem, 5vh, 4.5rem);
}

.opportunity h2 { font-size: clamp(3.1rem, 4.5vw, 4.9rem); }

.opportunity-conclusion {
  margin: 0.35rem 0 clamp(1.5rem, 3vh, 2.4rem);
  font-size: clamp(2.15rem, 3.7vw, 4.05rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.06em;
}

.opportunity-conclusion em {
  color: var(--gold-soft);
  font-style: normal;
}

.voices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 1.8vw, 1.6rem);
  padding: 0;
  background: transparent;
}

.voices article {
  position: relative;
  isolation: isolate;
  min-width: 0;
  height: clamp(480px, 29vw, 540px);
  overflow: hidden;
  background: #11141c;
  border: 1px solid var(--line);
}

.voices figure {
  position: absolute;
  inset: 0;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #080a0f;
}

.voices img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.12);
  transition: scale 600ms ease, filter 600ms ease;
}

.voices article:hover img { filter: saturate(0.96) contrast(1.1); }
.voices article:nth-child(1) img { object-position: 42% 31%; scale: 1.48; transform-origin: 42% 31%; }
.voices article:nth-child(2) img { object-position: center 22%; scale: 1.08; transform-origin: center 24%; }
.voices article:nth-child(3) img { object-position: 68% center; scale: 1.14; transform-origin: 68% 34%; }
.voices article:nth-child(1):hover img { scale: 1.52; }
.voices article:nth-child(2):hover img { scale: 1.12; }
.voices article:nth-child(3):hover img { scale: 1.18; }

.voices article > div {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  min-height: 0;
  padding: clamp(1rem, 1.4vw, 1.25rem);
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(180deg, rgba(7, 9, 13, 0.84), rgba(7, 9, 13, 0.96));
  backdrop-filter: blur(14px);
}

.voices article p { margin-bottom: 0.7rem; }
.voices strong, .voices span { display: block; }

.voices strong {
  margin-bottom: 0.35rem;
  color: var(--blue);
  font-size: clamp(1.12rem, 1.25vw, 1.3rem);
}

.voices span {
  color: var(--muted);
  font-size: 0.88rem;
}

.voices blockquote {
  margin: 0 0 0.75rem;
  font-size: clamp(0.98rem, 1.05vw, 1.1rem);
  font-weight: 700;
  line-height: 1.62;
}

.voices a {
  width: fit-content;
  margin-top: auto;
  color: var(--dim);
  font-size: 0.76rem;
}

.voices a:hover,
.voices a:focus-visible { color: var(--blue); }

.future-statement {
  position: relative;
  margin-top: clamp(3rem, 6vh, 5rem);
  padding: clamp(2.8rem, 5vw, 4.6rem) clamp(1.5rem, 4vw, 4rem);
  overflow: hidden;
  border: 1px solid rgba(232, 197, 90, 0.28);
  background:
    linear-gradient(135deg, rgba(232, 197, 90, 0.08), transparent 44%),
    #080a0f;
}

.future-statement::after {
  content: "AI";
  position: absolute;
  right: -0.03em;
  bottom: -0.28em;
  color: rgba(232, 197, 90, 0.035);
  font: 950 clamp(12rem, 24vw, 25rem)/0.8 var(--font);
  letter-spacing: -0.1em;
}

.future-statement p,
.future-statement h3,
.future-statement strong { position: relative; z-index: 2; }

.future-statement p {
  margin: 0 0 0.65rem;
  color: var(--gold);
  font: 750 0.68rem/1.4 var(--mono);
  letter-spacing: 0.2em;
}

.future-statement h3 {
  margin: 0;
  color: var(--gold-soft);
  font-size: clamp(4.2rem, 7vw, 7.4rem);
  font-weight: 950;
  line-height: 0.95;
  letter-spacing: -0.075em;
}

.future-statement strong {
  display: block;
  max-width: 1100px;
  margin-top: clamp(1.3rem, 2.5vh, 2rem);
  font-size: clamp(2rem, 3.1vw, 3.25rem);
  line-height: 1.25;
  letter-spacing: -0.045em;
}

/* 05 · 联系方式 */
.contact {
  position: relative;
  overflow: hidden;
  background: #080a0f;
  border-bottom: 1px solid var(--line);
}

.contact::before {
  content: "CONTACT";
  position: absolute;
  right: -0.04em;
  bottom: -0.2em;
  color: rgba(255, 255, 255, 0.018);
  font: 950 clamp(10rem, 22vw, 24rem)/0.8 var(--font);
  letter-spacing: -0.09em;
  pointer-events: none;
}

.contact-orbit {
  position: absolute;
  top: -14rem;
  right: -10rem;
  width: 36rem;
  aspect-ratio: 1;
  border: 1px solid rgba(232, 197, 90, 0.14);
  border-radius: 50%;
  box-shadow: 0 0 0 5rem rgba(232, 197, 90, 0.012), 0 0 0 11rem rgba(232, 197, 90, 0.008);
  pointer-events: none;
}

.contact-inner {
  padding-top: clamp(6.8rem, 10vh, 9rem);
  padding-bottom: clamp(5rem, 8vh, 7rem);
}

.contact-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.45fr);
  align-items: end;
  gap: clamp(2rem, 6vw, 7rem);
}

.contact h2 {
  margin: 0;
  max-width: 1000px;
  font-size: clamp(3rem, 5.4vw, 6rem);
  font-weight: 950;
  line-height: 1.03;
  letter-spacing: -0.07em;
}

.contact h2 em {
  color: var(--gold-soft);
  font-style: normal;
}

.contact-heading > p {
  margin: 0 0 0.55rem;
  padding-left: 1rem;
  color: var(--muted);
  border-left: 3px solid var(--gold);
  font-size: clamp(0.98rem, 1.1vw, 1.15rem);
  font-weight: 650;
  line-height: 1.7;
}

.contact-grid {
  position: relative;
  z-index: 2;
  margin-top: clamp(2.3rem, 4vh, 3.6rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.contact-card {
  appearance: none;
  width: 100%;
  min-width: 0;
  min-height: 118px;
  margin: 0;
  padding: 1.15rem 1.25rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.15rem;
  color: var(--text);
  text-align: left;
  border: 0;
  border-radius: 0;
  background: #10131b;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.contact-card:hover,
.contact-card:focus-visible {
  background: #171b25;
}

.contact-card:hover .contact-action,
.contact-card:focus-visible .contact-action { color: var(--gold); }

.contact-number {
  color: var(--dim);
  font: 800 0.66rem/1 var(--mono);
}

.contact-name {
  min-width: 0;
}

.contact-name strong,
.contact-name small { display: block; }

.contact-name strong {
  margin-bottom: 0.35rem;
  color: var(--text);
  font-size: clamp(1.2rem, 1.45vw, 1.55rem);
}

.contact-name small {
  overflow: hidden;
  color: var(--muted);
  font-size: clamp(0.85rem, 0.92vw, 0.98rem);
  font-weight: 620;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contact-action {
  color: var(--dim);
  font-size: 0.78rem;
  font-weight: 750;
  white-space: nowrap;
  transition: color 180ms ease;
}

.contact-card:last-child:nth-child(odd) { grid-column: 1 / -1; }

.contact-note {
  position: relative;
  z-index: 2;
  margin: 1rem 0 0;
  color: var(--dim);
  font-size: 0.75rem;
  line-height: 1.65;
}

.copy-status {
  position: relative;
  z-index: 2;
  min-height: 1.4em;
  margin: 0.45rem 0 0;
  color: var(--gold);
  font-size: 0.78rem;
}

.qr-dialog {
  width: min(540px, calc(100% - 2rem));
  max-height: calc(100svh - 2rem);
  padding: 0;
  overflow: auto;
  color: var(--text);
  background: #090b10;
  border: 1px solid rgba(232, 197, 90, 0.55);
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.7);
}

.qr-dialog::backdrop {
  background: rgba(2, 3, 6, 0.84);
  backdrop-filter: blur(10px);
}

.qr-dialog-panel {
  position: relative;
  padding: clamp(1rem, 3vw, 1.6rem);
}

.qr-dialog .section-kicker { margin-bottom: 0.55rem; }

.qr-dialog h2 {
  margin: 0 3rem 1rem 0;
  color: var(--gold-soft);
  font-size: clamp(1.35rem, 4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.qr-dialog img {
  width: 100%;
  max-height: min(68svh, 610px);
  object-fit: contain;
  background: #fff;
}

.qr-dialog-note {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.qr-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  min-width: 48px;
  min-height: 36px;
  color: var(--muted);
  background: #11141c;
  border: 1px solid var(--line-strong);
  cursor: pointer;
}

.qr-close:hover,
.qr-close:focus-visible {
  color: var(--bg);
  background: var(--gold);
  border-color: var(--gold);
}

.site-footer {
  position: relative;
  z-index: 10;
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 clamp(1.2rem, 4vw, 4.5rem);
  color: var(--dim);
  background: rgba(7, 9, 13, 0.9);
  border-top: 1px solid var(--line);
  font-size: 0.64rem;
}

.site-footer p { margin: 0; }

.site-footer p:last-child {
  display: flex;
  gap: 1rem;
}

.site-footer a:hover,
.site-footer a:focus-visible { color: var(--gold); }

/* 英文页面需要更宽松的换行与字距 */
.lang-en { --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.lang-en .hero h1 { font-size: clamp(3.75rem, 5.25vw, 6.35rem); letter-spacing: -0.06em; }
.lang-en .hero h1 span:first-child { font-size: 0.62em; white-space: normal; }
.lang-en .hero h1 em { font-size: 0.92em; white-space: normal; }
.lang-en .story-copy h2 { font-size: clamp(2.8rem, 3.7vw, 4.15rem); letter-spacing: -0.055em; }
.lang-en .journey-timeline li > div { min-height: 110px; }
.lang-en .product h2 { font-size: clamp(2.45rem, 3vw, 3.45rem); white-space: normal; }
.lang-en .opportunity h2 { font-size: clamp(2.75rem, 4vw, 4.4rem); letter-spacing: -0.055em; }
.lang-en .opportunity-conclusion { font-size: clamp(1.95rem, 3.25vw, 3.55rem); letter-spacing: -0.045em; }
.lang-en .future-statement h3 { font-size: clamp(3.7rem, 6vw, 6.6rem); letter-spacing: -0.06em; }
.lang-en .future-statement strong { font-size: clamp(1.8rem, 2.8vw, 3rem); }
.lang-en .contact h2 { font-size: clamp(3rem, 5vw, 5.6rem); letter-spacing: -0.06em; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }

@keyframes scanWorld { from { left: 12%; } to { left: 88%; } }
@keyframes orbitTurn { to { rotate: 360deg; } }
@keyframes personBreathe { 0%, 100% { translate: 0 0; } 50% { translate: 0 -10px; } }

@media (max-width: 1100px) {
  .screen-inner, .hero-inner { width: min(100% - 5rem, 1100px); }
  .hero-inner, .story-layout, .product-layout { gap: 3rem; }
  .hero-inner { grid-template-columns: minmax(520px, 1fr) minmax(360px, 0.68fr); }
  .product-layout { grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); }
  .product h2 { font-size: clamp(2.55rem, 4vw, 3rem); }
}

@media (max-width: 900px) {
  html { scroll-snap-type: none; }
  .screen { min-height: auto; }
  .screen-inner, .hero-inner { width: min(100% - 3rem, 760px); }
  .screen-inner { padding: 6.2rem 0 4.5rem; }
  .hero-inner, .story-layout, .product-layout { grid-template-columns: 1fr; }
  .hero-inner { min-height: auto; padding-top: 8.5rem; }
  .hero h1 { font-size: clamp(3.6rem, 10.8vw, 5.7rem); }
  .hero-person { height: 580px; min-height: 0; }
  .story-layout, .product-layout { gap: 3rem; }
  .story-copy { grid-template-columns: 1fr; gap: 1.2rem; }
  .story-copy .section-kicker, .story-copy h2, .story-deckline { grid-column: 1; grid-row: auto; }
  .story-deckline { margin: 0; }
  .journey-timeline { grid-template-columns: repeat(2, 1fr); }
  .product-window { grid-row: 1; }
  .product-copy { grid-row: 2; }
  .product h2 { white-space: normal; }
  .opportunity-inner { min-height: auto; padding-bottom: 6rem; }
  .voices { grid-template-columns: 1fr; }
  .voices article { height: 520px; }
  .contact-heading { grid-template-columns: 1fr; gap: 1.4rem; }
  .contact-heading > p { margin: 0; max-width: 32rem; }
}

@media (max-width: 620px) {
  .site-header { min-height: 64px; gap: 0.55rem; padding-inline: 1rem; }
  .brand { flex: 0 0 auto; }
  .brand strong { font-size: 0.78rem; white-space: nowrap; }
  .site-nav { flex: 1 1 auto; min-width: 0; max-width: none; gap: 0.6rem; overflow-x: auto; scrollbar-width: none; }
  .site-nav a { flex: 0 0 auto; font-size: 0.72rem; }
  .language-switch { min-width: 38px; padding: 0.48rem 0.5rem; font-size: 0.68rem; }
  .screen-inner, .hero-inner { width: min(100% - 2.25rem, 560px); }
  .screen-inner { padding: 5.8rem 0 3.8rem; }
  .hero-inner { padding-top: 6.8rem; }
  .hero h1 { font-size: clamp(2.9rem, 12.5vw, 3.8rem); }
  .hero h1 em { font-size: 1.06em; white-space: nowrap; }
  .hero-person { height: 450px; }
  .screen h2 { font-size: clamp(2.35rem, 10.5vw, 3.45rem); }
  .journey-timeline { grid-template-columns: 1fr; }
  .journey-timeline figure { aspect-ratio: 16 / 7; }
  .search-console { padding: 0.9rem; }
  .search-console form { grid-template-columns: 1fr; }
  .search-console form button { width: 100%; }
  .voices article { height: 470px; }
  .voices article > div { min-height: 0; padding: 1rem; }
  .voices blockquote { font-size: 1rem; }
  .opportunity-conclusion { font-size: clamp(2rem, 9.5vw, 3rem); }
  .future-statement { margin-top: 2.5rem; padding: 2.4rem 1.25rem; }
  .future-statement h3 { font-size: clamp(3.6rem, 17vw, 5rem); }
  .future-statement strong { font-size: clamp(1.8rem, 8.7vw, 2.55rem); }
  .contact-inner { padding-top: 5.8rem; padding-bottom: 4.3rem; }
  .contact h2 { font-size: clamp(2.55rem, 11.5vw, 3.8rem); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card:last-child:nth-child(odd) { grid-column: auto; }
  .contact-card { min-height: 96px; padding: 0.95rem; gap: 0.8rem; }
  .contact-name strong { font-size: 1.15rem; }
  .contact-name small { font-size: 0.8rem; }
  .contact-action { font-size: 0.68rem; }
  .site-footer { min-height: 96px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 0.5rem; padding: 1rem 1.15rem; }
  .site-footer p:last-child { flex-direction: column; gap: 0.3rem; }
}

@media (orientation: landscape) and (max-height: 500px) and (min-width: 700px) {
  .site-header { min-height: 48px; padding-inline: 1.35rem; }
  .brand strong { font-size: 0.78rem; }
  .site-nav { gap: 1.3rem; font-size: 0.82rem; }
  .language-switch { min-width: 36px; padding: 0.4rem 0.48rem; font-size: 0.62rem; }
  .screen { height: auto; min-height: auto; }
  .hero { height: 100svh; min-height: 100svh; }
  .screen-inner, .hero-inner { width: min(100% - 4.5rem, 1120px); }
  .screen-inner { padding: 3.35rem 0 1rem; }
  .section-kicker { margin-bottom: 0.4rem; font-size: 0.45rem; }
  .screen h2 { font-size: 2.15rem; }
  .hero-inner { min-height: 100svh; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.7fr); gap: 1.4rem; padding-top: 48px; }
  .hero h1 { font-size: clamp(2.8rem, 6.7vw, 4rem); }
  .hero-person { height: calc(100svh - 52px); min-height: 0; }
  .hero-person img { width: min(116%, 300px); height: 101%; }
  .orbit-a { width: 38vw; }
  .orbit-b { width: 24vw; }
  .story-layout, .product-layout { gap: 1rem 1.4rem; }
  .story-copy { grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr); gap: 1rem; }
  .story-copy .section-kicker { grid-column: 1; grid-row: 1; }
  .story-copy h2 { grid-column: 1; grid-row: 2; font-size: 1.75rem; }
  .story-deckline { grid-column: 2; grid-row: 1 / 3; margin-bottom: 0; padding-left: 0.6rem; font-size: 0.66rem; line-height: 1.45; }
  .journey-timeline { margin-top: 0.8rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .journey-timeline figure { aspect-ratio: 16 / 5.8; }
  .journey-timeline figcaption { top: 0.35rem; left: 0.4rem; padding: 0.25rem 0.35rem; }
  .journey-timeline li > div { min-height: 74px; padding: 0.52rem 0.58rem; }
  .journey-timeline time { font-size: 0.52rem; }
  .journey-timeline strong { margin-bottom: 0.18rem; font-size: 0.82rem; }
  .journey-timeline span { font-size: 0.7rem; line-height: 1.38; }
  .journey-quote { margin-top: 0.65rem; font-size: 0.65rem; }
  .product-layout { grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr); }
  .product-copy, .product-window { grid-row: auto; }
  .product h2 { font-size: 1.7rem; white-space: nowrap; }
  .product-name { margin-top: 0.45rem; font-size: 0.98rem; }
  .search-console { margin-top: 0.5rem; padding: 0.55rem; }
  .search-console > p:first-child { margin-bottom: 0.3rem; font-size: 0.68rem; }
  .search-console form { grid-template-columns: 1fr auto; gap: 0.35rem; }
  .search-console input, .search-console form button { min-height: 31px; font-size: 0.64rem; }
  .search-console input { padding-inline: 0.5rem; }
  .search-console form button { width: auto; padding-inline: 0.5rem; }
  .ai-prompt { margin-top: 0.4rem; padding: 0.35rem 0 0 0.4rem; font-size: 0.68rem; line-height: 1.4; }
  .copy-ai { min-height: 29px; margin-top: 0.35rem; padding: 0 0.55rem; font-size: 0.64rem; }
  .window-bar { min-height: 28px; padding-inline: 0.55rem; }
  .window-bar span, .product-window figcaption { font-size: 0.39rem; }
  .product-window figcaption { padding: 0.35rem 0.55rem; }
  .opportunity-inner { min-height: auto; padding-top: 3.5rem; padding-bottom: 1.6rem; }
  .opportunity h2 { font-size: 1.8rem; }
  .opportunity-conclusion { margin: 0.12rem 0 0.8rem; font-size: 1.85rem; }
  .voices { grid-template-columns: repeat(3, 1fr); }
  .voices article { height: 330px; }
  .voices article > div { min-height: 0; padding: 0.68rem; }
  .voices article p { margin-bottom: 0.35rem; }
  .voices strong { margin-bottom: 0.15rem; font-size: 0.88rem; }
  .voices span, .voices a { font-size: 0.64rem; }
  .voices blockquote { margin-bottom: 0.5rem; font-size: 0.76rem; line-height: 1.45; }
  .future-statement { margin-top: 1.4rem; padding: 1.7rem 1.2rem; }
  .future-statement p { margin-bottom: 0.3rem; font-size: 0.42rem; }
  .future-statement h3 { font-size: 2.8rem; }
  .future-statement strong { margin-top: 0.65rem; font-size: 1.5rem; }
  .contact-inner { padding-top: 3.5rem; padding-bottom: 2rem; }
  .contact h2 { font-size: 2.4rem; }
  .contact-heading { grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.5fr); gap: 2rem; }
  .contact-grid { margin-top: 1.2rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact-card { min-height: 74px; padding: 0.6rem; gap: 0.55rem; }
  .contact-name strong { margin-bottom: 0.18rem; font-size: 0.85rem; }
  .contact-name small { font-size: 0.58rem; }
  .contact-action, .contact-note, .copy-status { font-size: 0.52rem; }
  .site-footer { min-height: 44px; align-items: center; flex-direction: row; gap: 1rem; padding: 0 1.35rem; font-size: 0.42rem; }
  .site-footer p:last-child { flex-direction: row; gap: 0.65rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}