:root {
  --ink: #18221f;
  --muted: #637069;
  --paper: #f6f4ee;
  --cream: #ebe7dc;
  --orange: #ff5a1f;
  --line: rgba(24, 34, 31, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; object-fit: cover; }
button { font: inherit; }
.skip-link { position: fixed; left: 20px; top: -80px; z-index: 100; padding: 12px 18px; background: white; color: var(--ink); transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header {
  height: 86px;
  padding: 0 4vw;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 244, 238, 0.9);
  backdrop-filter: blur(16px);
  transition: box-shadow .25s;
}
.site-header.is-scrolled { box-shadow: 0 8px 26px rgba(24, 34, 31, .08); }
.brand { display: flex; align-items: center; gap: 11px; width: max-content; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 50% 50% 50% 16%;
  display: grid; place-items: center; color: #fff; background: var(--orange);
  font-size: 19px; font-weight: 800; transform: rotate(-5deg);
}
.brand-name { display: flex; flex-direction: column; gap: 3px; }
.brand strong { font-size: 16px; letter-spacing: .04em; }
.brand small { font-size: 8px; letter-spacing: .15em; color: var(--muted); }
.desktop-nav { display: flex; align-items: center; gap: clamp(22px, 3vw, 48px); }
.desktop-nav a { position: relative; font-size: 14px; font-weight: 600; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 2px; background: var(--orange); transition: .3s; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { right: 0; }
.header-cta { justify-self: end; background: var(--ink); color: white; padding: 13px 20px; border-radius: 2px; font-size: 14px; font-weight: 700; }
.header-cta span { color: #ffb399; margin-left: 12px; }
.menu-toggle, .mobile-nav { display: none; }

.hero {
  min-height: calc(100vh - 86px);
  display: grid;
  grid-template-columns: 55% 45%;
  padding-left: 6vw;
}
.hero-copy { padding: clamp(70px, 9vh, 110px) 5vw 52px 0; display: flex; flex-direction: column; justify-content: center; }
.eyebrow, .kicker { font-size: 12px; font-weight: 750; letter-spacing: .18em; color: var(--orange); text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow i { width: 28px; height: 2px; background: var(--orange); }
.hero h1 { font-size: clamp(54px, 6.2vw, 102px); line-height: 1.03; letter-spacing: -.07em; margin: 26px 0 30px; font-weight: 900; }
.hero h1 span, .section-head h2 span, .work h2 span, .about h2 span, .contact h2 span { color: var(--orange); }
.hero-copy > p { max-width: 620px; font-size: clamp(16px, 1.3vw, 20px); line-height: 1.85; color: var(--muted); margin: 0; }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 40px; }
.button { padding: 17px 24px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; font-size: 14px; font-weight: 750; transition: transform .25s, background .25s; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--orange); color: #fff; box-shadow: 0 14px 32px rgba(255, 90, 31, .25); }
.text-link { font-size: 14px; font-weight: 700; border-bottom: 1px solid var(--ink); padding-bottom: 7px; }
.text-link span { color: var(--orange); margin-left: 10px; }
.hero-meta { display: flex; align-items: stretch; margin-top: clamp(52px, 8vh, 86px); border-top: 1px solid var(--line); max-width: 730px; }
.hero-meta div { padding: 21px 3vw 0 0; margin-right: 3vw; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.hero-meta div:last-child { border: 0; }
.hero-meta strong { font-size: 24px; color: var(--orange); letter-spacing: -.04em; }
.hero-meta span { font-size: 11px; color: var(--muted); margin-top: 6px; white-space: nowrap; }

.hero-visual { position: relative; overflow: hidden; min-height: 680px; background: var(--ink); }
.hero-visual::before { content: ""; width: 420px; height: 420px; position: absolute; background: var(--orange); border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.hero-visual::after { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 42px 42px; }
.hero-orbit { position: absolute; z-index: 1; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.orbit-one { width: 590px; height: 590px; }
.orbit-two { width: 740px; height: 740px; }
.fox-card { width: clamp(245px, 25vw, 355px); aspect-ratio: .72; background: #f5efe1; position: absolute; z-index: 3; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(6deg); padding: 25px; box-shadow: 22px 28px 70px rgba(0,0,0,.26); }
.mini-label { font-size: 9px; letter-spacing: .15em; font-weight: 700; }
.fox-glyph { font-family: Arial Black, sans-serif; color: var(--orange); font-size: clamp(170px, 21vw, 300px); line-height: .93; letter-spacing: -.16em; transform: rotate(-8deg); margin-left: -15px; }
.fox-card p { position: absolute; left: 25px; bottom: 24px; font-size: 19px; line-height: 1.15; font-weight: 900; letter-spacing: -.04em; margin: 0; }
.floating-card { position: absolute; z-index: 4; width: 120px; height: 82px; padding: 16px; color: #fff; background: rgba(24,34,31,.92); border: 1px solid rgba(255,255,255,.28); display: flex; flex-direction: column; justify-content: space-between; box-shadow: 0 18px 32px rgba(0,0,0,.2); }
.floating-card span { font-size: 23px; font-weight: 900; }
.floating-card strong { font-size: 9px; letter-spacing: .12em; text-transform: uppercase; color: #cdd4d0; }
.card-strategy { left: 8%; top: 20%; transform: rotate(-7deg); }
.card-design { right: 8%; top: 28%; transform: rotate(8deg); background: #f5efe1; color: var(--ink); }
.card-design strong { color: var(--muted); }
.card-media { right: 10%; bottom: 16%; transform: rotate(-5deg); }
.visual-note { color: white; position: absolute; z-index: 3; left: 7%; bottom: 8%; font-size: 12px; line-height: 1.7; letter-spacing: .12em; }

.ticker { background: var(--orange); color: #fff; overflow: hidden; padding: 18px 0; white-space: nowrap; }
.ticker div { font-weight: 800; letter-spacing: .08em; word-spacing: 34px; text-align: center; font-size: 14px; }
.ticker b { color: var(--ink); }
.section { padding: 120px 6vw; }
.section-head { display: grid; grid-template-columns: 1.15fr .65fr; align-items: end; gap: 8vw; margin-bottom: 70px; }
.section-head h2, .work h2, .about h2, .contact h2 { font-size: clamp(42px, 5.2vw, 78px); line-height: 1.08; letter-spacing: -.065em; margin: 20px 0 0; }
.section-head > p { color: var(--muted); font-size: 16px; line-height: 1.9; margin: 0 0 7px; }
.service-list { border-top: 1px solid var(--line); }
.service-card { min-height: 270px; display: grid; grid-template-columns: 70px minmax(240px, .75fr) 1fr 60px; gap: 3vw; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--line); }
.service-number { font-size: 12px; color: var(--muted); align-self: start; margin-top: 4px; }
.service-image { height: 210px; overflow: hidden; background: var(--cream); }
.service-image img { width: 100%; height: 100%; transition: transform .6s; }
.service-card:hover .service-image img { transform: scale(1.05); }
.service-content small { font-size: 10px; color: var(--orange); letter-spacing: .16em; font-weight: 700; }
.service-content h3 { font-size: clamp(30px, 3.4vw, 52px); letter-spacing: -.05em; margin: 8px 0 16px; }
.service-content p { max-width: 560px; color: var(--muted); line-height: 1.75; font-size: 14px; }
.service-content ul { display: flex; gap: 8px; list-style: none; padding: 0; margin: 18px 0 0; flex-wrap: wrap; }
.service-content li { font-size: 11px; border: 1px solid var(--line); border-radius: 100px; padding: 7px 12px; }
.service-card > a { width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font-size: 22px; transition: .25s; }
.service-card:hover > a { background: var(--orange); color: #fff; border-color: var(--orange); transform: rotate(12deg); }

.work { background: var(--ink); color: #fff; padding: 120px 6vw; display: grid; grid-template-columns: .7fr 1.3fr; gap: 7vw; align-items: center; }
.kicker.light { color: #ff9b76; }
.work-copy p { color: #aeb8b3; line-height: 1.85; max-width: 480px; margin: 30px 0 34px; }
.button-light { background: #fff; color: var(--ink); }
.work-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 240px 240px; gap: 16px; }
.work-grid figure { margin: 0; position: relative; overflow: hidden; }
.work-grid figure::after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(transparent, rgba(0,0,0,.76)); }
.work-grid img { width: 100%; height: 100%; transition: transform .6s; }
.work-grid figure:hover img { transform: scale(1.04); }
.work-main { grid-row: 1 / 3; }
.work-grid figcaption { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 20px; display: flex; flex-direction: column; gap: 5px; }
.work-grid figcaption span { font-size: 10px; letter-spacing: .16em; color: #ffc1aa; }
.work-grid figcaption strong { font-size: 17px; }

.section-head.compact { margin-bottom: 52px; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-grid article { min-height: 320px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-grid article > span { font-size: 11px; color: var(--muted); }
.process-icon { width: 76px; height: 76px; display: grid; place-items: center; border-radius: 50%; margin: 54px 0 34px; background: var(--cream); font-size: 27px; color: var(--orange); transition: .3s; }
.process-grid article:hover .process-icon { background: var(--orange); color: white; transform: translateY(-6px) rotate(6deg); }
.process-grid h3 { font-size: 20px; margin: 0 0 12px; }
.process-grid p { color: var(--muted); font-size: 13px; line-height: 1.7; margin: 0; }

.about { display: grid; grid-template-columns: 1fr 1fr; min-height: 760px; }
.about-visual { background: var(--orange); position: relative; overflow: hidden; display: grid; place-items: center; }
.about-visual::before { content: ""; position: absolute; width: 520px; height: 520px; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; }
.about-visual::after { content: ""; position: absolute; width: 390px; height: 390px; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; }
.about-shape { position: relative; z-index: 2; color: #fff; font-size: clamp(90px, 10vw, 150px); line-height: .78; font-weight: 900; letter-spacing: -.2em; text-align: center; transform: rotate(-5deg); text-shadow: 18px 18px 0 rgba(24,34,31,.14); }
.stamp { position: absolute; z-index: 3; bottom: 6%; right: 7%; border: 1px solid white; color: white; border-radius: 50%; width: 100px; height: 100px; display: grid; place-items: center; text-align: center; font-size: 9px; line-height: 1.5; letter-spacing: .1em; transform: rotate(8deg); }
.about-copy { padding: 100px 7vw; display: flex; flex-direction: column; justify-content: center; }
.about-lead { font-size: 18px; line-height: 1.95; color: var(--muted); margin: 38px 0 42px; max-width: 620px; }
.about-values { border-top: 1px solid var(--line); }
.about-values div { display: grid; grid-template-columns: 130px 1fr; gap: 25px; padding: 22px 0; border-bottom: 1px solid var(--line); align-items: center; }
.about-values strong { font-size: 14px; }
.about-values span { color: var(--muted); font-size: 13px; }

.contact { background: #ddd8cb; padding: 120px 6vw; display: grid; grid-template-columns: 1fr .8fr; gap: 8vw; }
.contact-title > span { color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.contact-panel > p { color: var(--muted); line-height: 1.8; margin: 0 0 36px; }
.contact-main { display: grid; grid-template-columns: 1fr auto; padding: 22px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.contact-main span { font-size: 12px; color: var(--muted); }
.contact-main strong { grid-column: 1; font-size: clamp(26px, 3.2vw, 45px); margin-top: 8px; letter-spacing: -.04em; }
.contact-main i { grid-column: 2; grid-row: 1 / 3; font-size: 34px; font-style: normal; align-self: center; color: var(--orange); }
.contact-row { display: grid; grid-template-columns: 120px 1fr; gap: 25px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.contact-row span { color: var(--muted); font-size: 12px; }
.contact-row strong { font-size: 14px; line-height: 1.7; }

footer { background: var(--ink); color: #fff; padding: 70px 6vw 25px; }
.footer-brand { display: flex; gap: 14px; align-items: center; }
.footer-brand > div { display: flex; flex-direction: column; gap: 6px; }
.footer-brand small { color: #909b96; font-size: 11px; letter-spacing: .1em; }
.footer-links { display: flex; justify-content: flex-end; gap: 35px; margin-top: -32px; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.13); margin-top: 60px; padding-top: 23px; color: #818c87; font-size: 11px; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: flex; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); background: transparent; flex-direction: column; justify-content: center; align-items: center; gap: 7px; cursor: pointer; }
  .menu-toggle span { width: 18px; height: 2px; background: var(--ink); transition: transform .25s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .mobile-nav { position: fixed; display: flex; inset: 86px 0 0; z-index: 18; padding: 40px 6vw; background: var(--ink); color: white; flex-direction: column; }
  .mobile-nav[hidden] { display: none; }
  .mobile-nav a { padding: 23px 0; border-bottom: 1px solid rgba(255,255,255,.13); font-size: 24px; font-weight: 800; }
  .hero { grid-template-columns: 1fr; padding-left: 0; }
  .hero-copy { padding: 78px 6vw 58px; }
  .hero-visual { min-height: 640px; }
  .section-head, .work, .contact { grid-template-columns: 1fr; }
  .section-head { gap: 30px; }
  .work { gap: 60px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .about { grid-template-columns: 1fr; }
  .about-visual { min-height: 620px; }
  .contact { gap: 70px; }
}

@media (max-width: 680px) {
  .site-header { height: 74px; padding: 0 5vw; }
  .mobile-nav { inset: 74px 0 0; }
  .brand strong { font-size: 14px; }
  .brand small { display: none; }
  .brand-mark { width: 36px; height: 36px; }
  .hero { min-height: auto; }
  .hero-copy { padding: 62px 5vw 46px; }
  .hero h1 { font-size: clamp(48px, 14vw, 72px); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 24px; }
  .hero-meta { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-meta div { margin-right: 0; padding-right: 15px; }
  .hero-meta div:last-child { display: none; }
  .hero-visual { min-height: 540px; }
  .hero-visual::before { width: 300px; height: 300px; }
  .fox-card { width: 245px; }
  .fox-glyph { font-size: 190px; }
  .floating-card { width: 95px; height: 69px; padding: 12px; }
  .floating-card span { font-size: 18px; }
  .card-strategy { left: 3%; top: 15%; }
  .card-design { right: 3%; top: 24%; }
  .card-media { right: 5%; bottom: 12%; }
  .ticker div { text-align: left; padding-left: 5vw; word-spacing: 12px; }
  .section, .work, .contact { padding: 86px 5vw; }
  .section-head { margin-bottom: 44px; }
  .section-head h2, .work h2, .about h2, .contact h2 { font-size: 43px; }
  .service-card { grid-template-columns: 34px 1fr 42px; gap: 15px; padding: 25px 0 32px; }
  .service-number { grid-column: 1; }
  .service-image { grid-column: 2 / 4; height: 210px; }
  .service-content { grid-column: 2 / 4; }
  .service-card > a { grid-column: 1; grid-row: 3; width: 36px; height: 36px; font-size: 17px; }
  .work-grid { grid-template-rows: 350px 210px; }
  .work-main { grid-column: 1 / 3; grid-row: 1; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid article { min-height: 260px; }
  .process-icon { margin: 35px 0 26px; }
  .about-visual { min-height: 520px; }
  .about-copy { padding: 84px 5vw; }
  .about-values div { grid-template-columns: 100px 1fr; }
  .contact-row { grid-template-columns: 90px 1fr; }
  .footer-links { justify-content: flex-start; margin-top: 36px; flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}