:root {
  --bg: #07080c;
  --bg-2: #10131a;
  --bg-3: #171b24;
  --ink: #f4f0e6;
  --muted: #b7b1a4;
  --faint: #8d877c;
  --gold: #e7c98a;
  --gold-2: #9a7436;
  --line: rgba(231, 201, 138, 0.22);
  --cyan: #8de7ff;
  --danger: #ffb4b4;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --display: "Syne", "Segoe UI", sans-serif;
  --max: 1180px;
  --nav: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: #e7c98a; color: #1a1408; }

.progress {
  position: fixed;
  left: 0; top: 0;
  height: 2px; width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: linear-gradient(90deg, #6d5424, var(--gold), #fff4d2);
  z-index: 80;
  pointer-events: none;
}

.rail {
  position: fixed;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  letter-spacing: 0.42em;
  font-size: 11px;
  color: rgba(231, 201, 138, 0.55);
  z-index: 5;
}
@media (max-width: 1380px) { .rail { display: none; } }

header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 28px;
  background: rgba(7, 8, 12, 0.94);
  border-bottom: 1px solid transparent;
}
header.scrolled { border-bottom-color: var(--line); }
header.menu-open { backdrop-filter: none; background: transparent; }

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img {
  width: 46px; height: 46px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(231, 201, 138, 0.45);
}
.brand strong {
  display: block;
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: 0.18em;
  line-height: 1;
}
.brand em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--gold);
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: #fff8ee;
}
.nav a.nav-cta {
  color: #1a1208;
  font-weight: 700;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }

.lang {
  position: relative;
  z-index: 61;
  display: flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.lang button {
  border: 0;
  background: transparent;
  color: var(--faint);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  letter-spacing: 0.06em;
}
.lang button[aria-pressed="true"] {
  background: linear-gradient(180deg, #f3e2b6, #c6a15b);
  color: #1b140a;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-gold {
  background: linear-gradient(180deg, #f8ebc8, #d7b56a 45%, #a68445);
  color: #1b140a;
  font-weight: 700;
}
.btn-line {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-line:hover { border-color: var(--gold); }
.nav-cta { min-height: 40px; padding: 0 14px; }

.burger {
  display: none;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  position: relative;
}
.burger span {
  position: absolute;
  left: 13px; right: 13px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.burger span:nth-child(1) { top: 17px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 27px; }
.burger.open span:nth-child(1) { top: 22px; transform: rotate(40deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { top: 22px; transform: rotate(-40deg); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 42px 28px 28px;
}
.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  min-height: calc(100vh - var(--nav) - 70px);
}
.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: #b7f7c8;
  box-shadow: 0 0 0 0 rgba(183, 247, 200, 0.7);
  vertical-align: 1px;
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(183, 247, 200, 0); }
}
.kicker, .eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
html[lang="zh-CN"] .kicker,
html[lang="zh-CN"] .eyebrow { text-transform: none; letter-spacing: 0.22em; }
h1, h2, h3 { font-weight: 650; line-height: 1.2; }
.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.18;
  letter-spacing: 0.01em;
}
html[lang="en"] .hero h1,
html[lang="fr"] .hero h1 {
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 0.98;
}
html[lang="fr"] .hero h1 { font-size: clamp(32px, 4.2vw, 58px); }
.hero h1 span {
  display: block;
  margin-top: 8px;
  background: linear-gradient(100deg, #fff8e8 0%, #f3e2b3 35%, #d7b56a 70%, #fff4d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { color: var(--muted); font-size: 17px; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 22px; list-style: none; }
.chips li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--muted);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.02);
}
.deskline { color: var(--faint); font-size: 13px; letter-spacing: 0.08em; }
.deskline b { color: var(--gold); font-weight: 650; letter-spacing: 0.04em; }

.seal {
  position: relative;
  width: min(420px, 100%);
  margin: 0 auto;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.seal img {
  width: 62%;
  height: 62%;
  object-fit: cover;
  border-radius: 50%;
  position: relative;
  z-index: 2;
  box-shadow:
    0 0 0 1px rgba(231, 201, 138, 0.55),
    0 30px 80px rgba(0, 0, 0, 0.45),
    0 0 90px rgba(231, 201, 138, 0.18);
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(231, 201, 138, 0.35);
}
.ring.r1 { inset: 6%; border-style: dashed; animation: spin 36s linear infinite; }
.ring.r2 { inset: 16%; border-color: rgba(141, 231, 255, 0.25); animation: spin 28s linear infinite reverse; }
.ring.r3 { inset: 0; border-color: rgba(231, 201, 138, 0.15); }
.ring.r1::after, .ring.r2::after {
  content: "";
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  top: 50%; left: -4px;
  box-shadow: 0 0 12px var(--gold);
}
@keyframes spin { to { transform: rotate(360deg); } }
.glow {
  position: absolute;
  width: 70%; height: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231, 201, 138, 0.22), transparent 68%);
  filter: blur(8px);
}
.floor {
  position: absolute;
  left: -10%; right: -10%;
  bottom: -20%;
  height: 48%;
  background-image:
    linear-gradient(rgba(231, 201, 138, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 201, 138, 0.16) 1px, transparent 1px);
  background-size: 54px 54px;
  transform: perspective(420px) rotateX(62deg);
  mask-image: linear-gradient(to top, #000 10%, transparent 78%);
  pointer-events: none;
}

.marquee {
  border-block: 1px solid var(--line);
  background: #0b0d12;
  overflow: hidden;
  padding: 14px 0;
}
.mq { display: flex; gap: 34px; width: max-content; animation: mq 46s linear infinite; }
.mq span { color: var(--muted); letter-spacing: 0.16em; font-size: 13px; white-space: nowrap; }
.mq span::before { content: "◆"; color: var(--gold); margin-right: 34px; font-size: 9px; }
@keyframes mq { to { transform: translateX(-50%); } }
.marquee:hover .mq { animation-play-state: paused; }

main { position: relative; z-index: 2; }
section { scroll-margin-top: 90px; padding: 88px 28px; }
.wrap { max-width: var(--max); margin: 0 auto; }
.sec-head { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: end; margin-bottom: 28px; }
.idx {
  font-family: var(--display);
  font-size: 42px;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(231, 201, 138, 0.7);
}
h2 { margin: 0; font-family: var(--serif); font-size: clamp(28px, 3.4vw, 42px); overflow-wrap: break-word; }
html[lang="en"] h2, html[lang="fr"] h2 { font-family: var(--display); letter-spacing: -0.03em; }
h2 span { display: block; color: var(--gold); margin-top: 4px; }
.sec-head > div, .wrap, .hero-grid > div { min-width: 0; }

.about-grid, .contact-grid, .hero-grid { align-items: start; }
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
}
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.rule {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--gold);
}

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat {
  padding: 16px;
  border-radius: 18px;
  background: #0c0f15;
  border: 1px solid var(--line);
}
.stat b {
  display: block;
  font-family: var(--display);
  font-size: 40px;
  line-height: 1;
  color: var(--gold);
}
.stat span { color: var(--muted); font-size: 13px; }

.cards, .steps, .posters, .shots, .principles {
  display: grid;
  gap: 16px;
}
.cards, .principles { grid-template-columns: repeat(3, 1fr); }
.card, .step, .person, .shot, .poster, .ind {
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(16, 19, 26, 0.88);
  overflow: hidden;
}
.card, .step, .person, .ind { padding: 20px; }
.card .no, .step .no {
  font-family: var(--display);
  color: var(--gold);
  letter-spacing: 0.14em;
  font-size: 13px;
}
.card h3, .step h3, .person h3, .ind h3 { margin: 8px 0; font-size: 20px; }
.card p, .step p, .person p, .ind p { margin: 0; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tags i, .mini {
  font-style: normal;
  font-size: 12px;
  color: #efe6d2;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
  background: rgba(231, 201, 138, 0.06);
}

.dual {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: stretch;
}
.side { padding: 26px; border-radius: 24px; border: 1px solid var(--line); background: #0c0f15; }
.side.right {
  background:
    radial-gradient(500px 180px at 90% 0%, rgba(141, 231, 255, 0.12), transparent 50%),
    #0c0f15;
}
.side h3 { margin: 8px 0 8px; font-size: 28px; }
.side ul { margin: 16px 0 0; padding: 0; list-style: none; }
.side li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.vs {
  align-self: center;
  width: 72px; height: 72px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--display);
  letter-spacing: 0.08em;
  background: #07080c;
}
.fine { color: var(--faint); font-size: 13px; margin-top: 14px; }

.posters, .shots { grid-template-columns: repeat(3, 1fr); }
.shots { grid-template-columns: repeat(2, 1fr); margin-top: 16px; }
.poster img, .shot img { width: 100%; height: 100%; object-fit: contain; background: #05070d; }
.poster { background: #05070d; }
.poster img { aspect-ratio: 3/4; }
.shot img { aspect-ratio: 16/10; cursor: zoom-in; }
.poster figcaption, .shot figcaption { padding: 12px 14px 14px; color: var(--muted); font-size: 13px; }
.poster figcaption strong { color: var(--ink); font-weight: 700; }
.promise {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 3px solid var(--gold);
  background: rgba(231, 201, 138, 0.06);
}
.swipe { display: none; color: var(--faint); font-size: 12px; letter-spacing: 0.12em; margin: 0 0 10px; }

.industries { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.ind h3 { font-size: 16px; min-height: 48px; }
.ind span { color: var(--gold); font-family: var(--display); font-size: 12px; letter-spacing: 0.14em; }

.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.person { padding: 26px; }
.seal-name { display: flex; gap: 16px; align-items: center; }
.mono {
  width: 74px; height: 74px;
  flex: none;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--display);
  letter-spacing: 0.08em;
  color: #1b140a;
  background: radial-gradient(circle at 35% 30%, #fff6dd, #e7c98a 40%, #8d6428);
  box-shadow: inset 0 0 0 4px rgba(27, 20, 10, 0.25), 0 10px 30px rgba(0,0,0,.35);
}
.person .latin { color: var(--gold); letter-spacing: 0.16em; font-size: 12px; }
.unit { grid-column: 1 / -1; display: grid; grid-template-columns: 180px 1fr; gap: 18px; align-items: center; }
.unit .mono { width: 100%; height: 92px; border-radius: 18px; }

.steps { grid-template-columns: repeat(4, 1fr); }

.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 18px; }
.channels { display: grid; gap: 10px; margin-top: 16px; }
.channel {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #0c0f15;
}
.channel b { display: block; font-size: 18px; letter-spacing: 0.04em; }
.channel span { color: var(--faint); font-size: 12px; letter-spacing: 0.12em; }
form { display: grid; gap: 12px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
input, select, textarea {
  width: 100%;
  background: #0b0e14;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  outline: none;
  color-scheme: dark;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--gold); }
.brief {
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  background: #07080c;
  color: var(--gold);
  white-space: pre-wrap;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 13px;
}
.form-row { display: flex; flex-wrap: wrap; gap: 10px; }

footer {
  padding: 28px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 13px;
}
.foot {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  gap: 10px;
}
.foot a { color: var(--gold); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  background: #f4f0e6;
  color: #1b140a;
  padding: 12px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
  z-index: 70;
  font-weight: 650;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

dialog {
  border: 1px solid var(--line);
  background: #07080c;
  color: var(--ink);
  border-radius: 18px;
  padding: 12px;
  max-width: min(1100px, 94vw);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.72); }
dialog img { max-height: 78vh; margin: 0 auto; }
dialog button {
  margin-top: 8px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}

.js .reveal { opacity: 0; transform: translateY(16px); animation: rise 0.8s ease forwards; }
.js .reveal:nth-child(2) { animation-delay: 0.05s; }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .seal { max-width: 340px; }
  .about-grid, .contact-grid, .dual, .cards, .principles, .steps, .industries, .team-grid {
    grid-template-columns: 1fr 1fr;
  }
  .steps { grid-template-columns: 1fr 1fr; }
  .industries { grid-template-columns: 1fr 1fr; }
  .dual { grid-template-columns: 1fr; }
  .vs { justify-self: center; }
  .unit { grid-template-columns: 1fr; }
  header { padding: 0 16px; }
}

@media (max-width: 1180px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: #07080c;
    z-index: 45;
    gap: 22px;
    font-size: 22px;
  }
  .nav.open a { font-size: 22px; color: var(--ink); }
  .burger { display: inline-block; z-index: 60; }
}

@media (max-width: 720px) {
  section { padding: 64px 16px; }
  .hero { padding: 24px 16px 10px; }
  .hero-grid, .about-grid, .contact-grid, .cards, .principles, .posters, .shots, .team-grid, .steps, .industries {
    grid-template-columns: 1fr;
  }
  .posters, .shots {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 6px;
  }
  .poster, .shot { min-width: 86%; scroll-snap-align: center; }
  .swipe { display: block; }
  .sec-head { grid-template-columns: 1fr; gap: 6px; }
  .hero-grid { min-height: auto; }
  .brand em { letter-spacing: 0.14em; }
  .lang button { padding: 6px 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ring, .mq, .js .reveal { animation: none !important; opacity: 1; transform: none; }
}