:root {
  --ink: #2c1716;
  --green-deep: #761116;
  --green: #b01f28;
  --mint: #efaaa2;
  --lime: #f2c665;
  --paper: #f8f2ed;
  --paper-deep: #eadbd4;
  --white: #fffaf4;
  --orange: #d83c2f;
  --line: rgba(92, 19, 21, .16);
  --shadow: 0 24px 70px rgba(92, 19, 21, .14);
  --radius: 22px;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; min-width: 320px; background: var(--paper); }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.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: -60px; left: 16px; z-index: 999; padding: 10px 14px; background: var(--white); border-radius: 8px; transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: 72px; padding: 0 clamp(18px, 4vw, 64px);
  display: flex; align-items: center; justify-content: space-between;
  color: var(--white); background: color-mix(in srgb, var(--green-deep) 88%, transparent);
  border-bottom: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--lime); border-radius: 50%; color: var(--lime); font-family: STKaiti, KaiTi, serif; font-size: 20px; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { letter-spacing: .12em; font-size: 15px; }
.brand-copy small { margin-top: 4px; color: rgba(255,255,255,.65); font-size: 8px; letter-spacing: .18em; }
.site-nav { display: flex; gap: 32px; font-size: 13px; letter-spacing: .08em; }
.site-nav a { position: relative; padding: 10px 0; }
.site-nav a::after { content: ""; position: absolute; left: 0; bottom: 4px; width: 0; height: 1px; background: var(--lime); transition: width .2s; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { width: 100%; }
.menu-button { display: none; width: 42px; height: 42px; border: 0; color: inherit; background: none; }
.menu-button span:not(.sr-only) { display: block; width: 22px; height: 1px; margin: 6px auto; background: currentColor; transition: transform .25s; }

.hero {
  position: relative; min-height: min(860px, 100svh); padding: 148px clamp(24px, 7vw, 104px) 48px;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); align-items: center; gap: 48px;
  overflow: hidden; color: var(--white); background: var(--green-deep);
}
.hero-grid { position: absolute; inset: 0; opacity: .1; background-image: linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 90%); }
.hero-orbit { position: absolute; border: 1px solid rgba(216,236,146,.28); border-radius: 50%; }
.orbit-one { width: 70vw; height: 70vw; right: -37vw; top: -28vw; }
.orbit-two { width: 42vw; height: 42vw; right: -12vw; bottom: -24vw; }
.hero-copy, .hero-visual { position: relative; z-index: 2; }
.eyebrow, .section-kicker { margin: 0 0 20px; color: var(--lime); font-size: 12px; font-weight: 700; letter-spacing: .18em; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 28px; height: 1px; background: currentColor; }
.hero h1 { margin: 0; font-family: STKaiti, KaiTi, serif; font-size: clamp(56px, 8.2vw, 116px); font-weight: 400; line-height: .98; letter-spacing: -.03em; }
.hero h1 em { color: var(--lime); font-style: normal; }
.hero-intro { max-width: 590px; margin: 34px 0 0; color: rgba(255,255,255,.76); font-size: clamp(15px, 1.5vw, 18px); line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 42px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-width: 158px; padding: 15px 18px; border-radius: 100px; font-size: 14px; font-weight: 700; }
.button-primary { color: var(--green-deep); background: var(--lime); }
.button-light { color: var(--green-deep); background: var(--white); }
.text-link { padding: 10px 0; color: rgba(255,255,255,.82); font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.36); }
.hero-visual { justify-self: end; width: min(100%, 390px); aspect-ratio: .82; padding: 32px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid rgba(255,255,255,.22); border-radius: 190px 190px 22px 22px; background: linear-gradient(160deg, rgba(255,255,255,.12), rgba(255,255,255,.035)); box-shadow: 0 40px 80px rgba(0,0,0,.18); }
.year-stamp { align-self: flex-end; font-size: 11px; letter-spacing: .18em; }
.seal { align-self: center; display: grid; place-items: center; width: 190px; height: 190px; border: 1px solid rgba(216,236,146,.6); border-radius: 50%; animation: breathe 6s ease-in-out infinite; }
.seal-ring { display: flex; align-items: center; gap: 12px; }
.seal-ring span { color: var(--lime); font-family: STKaiti, KaiTi, serif; font-size: 82px; line-height: 1; }
.seal-ring small { padding-left: 12px; border-left: 1px solid rgba(255,255,255,.35); font-size: 9px; line-height: 1.45; letter-spacing: .18em; }
.hero-visual > p { margin: 0 0 8px 22px; font-family: STKaiti, KaiTi, serif; font-size: 22px; line-height: 1.55; }
.hero-foot { position: absolute; left: clamp(24px, 7vw, 104px); right: clamp(24px, 7vw, 104px); bottom: 28px; z-index: 3; display: flex; justify-content: space-between; color: rgba(255,255,255,.5); font-size: 10px; letter-spacing: .16em; }
.scroll-cue { display: flex; align-items: center; gap: 9px; }
.scroll-cue i { width: 32px; height: 1px; background: currentColor; }
@keyframes breathe { 50% { transform: scale(1.035) rotate(2deg); box-shadow: 0 0 0 18px rgba(216,236,146,.035); } }

.intro-band { padding: 52px clamp(24px, 7vw, 104px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: end; background: var(--lime); }
.intro-band > p { max-width: 820px; margin: 0; font-family: STKaiti, KaiTi, serif; font-size: clamp(24px, 3vw, 40px); line-height: 1.45; }
.intro-tags { display: flex; justify-content: flex-end; gap: 12px; flex-wrap: wrap; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.intro-tags i { opacity: .38; font-style: normal; }

.works-section { padding: 110px clamp(24px, 7vw, 104px) 130px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; }
.section-kicker { color: var(--green); }
.section-heading h2, .about-heading h2, .feature-copy h2, .contact-section h2 { margin: 0; font-family: STKaiti, KaiTi, serif; font-weight: 400; font-size: clamp(42px, 6vw, 76px); line-height: 1.1; }
.section-note { margin: 0; color: rgba(16,39,37,.55); font-size: 13px; line-height: 1.8; text-align: right; }
.filter-block { margin-top: 56px; border-top: 1px solid var(--line); }
.filter-row { display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: center; min-height: 68px; border-bottom: 1px solid var(--line); }
.filter-label { font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.filter-scroll { display: flex; gap: 8px; overflow-x: auto; padding: 12px 2px; scrollbar-width: none; }
.filter-scroll::-webkit-scrollbar { display: none; }
.filter-chip { flex: 0 0 auto; padding: 9px 15px; border: 1px solid transparent; border-radius: 100px; color: rgba(16,39,37,.6); background: transparent; cursor: pointer; font-size: 13px; }
.filter-chip:hover { border-color: var(--line); }
.filter-chip.is-active { color: var(--white); background: var(--green-deep); }
.results-line { display: flex; justify-content: space-between; padding: 22px 0 18px; color: rgba(16,39,37,.52); font-size: 12px; }
.results-line p { margin: 0; }
.results-line strong { color: var(--ink); font-size: 18px; }
.works-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 50px 22px; }
.work-card { min-width: 0; animation: card-in .45s both; }
.work-cover { position: relative; aspect-ratio: 1.28; padding: 20px; overflow: hidden; color: var(--white); border-radius: var(--radius); background: var(--card-color, var(--green)); box-shadow: var(--shadow); isolation: isolate; }
.work-card:nth-child(4n+2) .work-cover { --card-color: #8e1820; }
.work-card:nth-child(4n+3) .work-cover { --card-color: #ca4937; }
.work-card:nth-child(4n) .work-cover { --card-color: #672330; }
.cover-pattern { position: absolute; inset: 0; z-index: -1; opacity: .7; background: radial-gradient(circle at 80% 22%, rgba(255,255,255,.25) 0 2px, transparent 3px), linear-gradient(135deg, transparent 48%, rgba(255,255,255,.14) 49% 51%, transparent 52%); background-size: 19px 19px, 100% 100%; }
.work-cover::after { content: ""; position: absolute; width: 68%; aspect-ratio: 1; right: -22%; bottom: -42%; border: 1px solid rgba(255,255,255,.48); border-radius: 50%; box-shadow: 0 0 0 32px rgba(255,255,255,.06), 0 0 0 64px rgba(255,255,255,.045); }
.work-number { position: absolute; top: 17px; right: 20px; color: rgba(255,255,255,.62); font-family: Georgia, serif; font-size: 24px; font-style: italic; }
.work-placeholder { position: absolute; left: 20px; bottom: 18px; color: rgba(255,255,255,.62); font-size: 9px; letter-spacing: .24em; }
.work-meta { display: flex; justify-content: space-between; gap: 10px; margin-top: 18px; color: var(--green); font-size: 11px; letter-spacing: .08em; }
.work-status { color: rgba(16,39,37,.42); }
.work-title { margin: 9px 0 8px; font-size: 21px; line-height: 1.35; }
.work-summary { margin: 0; color: rgba(16,39,37,.58); font-size: 13px; line-height: 1.7; }
@keyframes card-in { from { opacity: 0; transform: translateY(14px); } }
.empty-state { padding: 80px 20px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty-state span { color: var(--green); font-size: 34px; }
.empty-state h3 { margin: 12px 0 8px; }
.empty-state p { color: rgba(16,39,37,.54); }
.empty-state button { margin-top: 12px; padding: 10px 16px; border: 0; border-radius: 100px; color: var(--white); background: var(--green); }

.feature-section { min-height: 620px; padding: 96px clamp(24px, 7vw, 104px); display: grid; grid-template-columns: 90px 1fr 1fr; gap: 42px; align-items: center; color: var(--white); background: var(--green-deep); }
.feature-index { align-self: start; color: var(--lime); font-family: Georgia, serif; font-size: 22px; font-style: italic; }
.feature-copy { max-width: 560px; }
.feature-copy h2 { margin-bottom: 28px; color: var(--lime); }
.feature-copy > p { color: rgba(255,255,255,.72); font-size: 16px; line-height: 2; }
.status-pill { display: inline-block; margin-top: 22px; padding: 9px 13px; border: 1px solid rgba(255,255,255,.25); border-radius: 100px; color: rgba(255,255,255,.62); font-size: 11px; }
.feature-art { position: relative; justify-self: stretch; min-height: 390px; padding: 44px; display: flex; align-items: flex-end; overflow: hidden; border-radius: 50% 50% 18px 18px; color: var(--ink); background: var(--lime); }
.feature-art::after { content: ""; position: absolute; inset: 18px; border: 1px solid rgba(16,39,37,.24); border-radius: inherit; }
.feature-art strong { position: relative; z-index: 2; font-family: STKaiti, KaiTi, serif; font-size: clamp(36px, 5vw, 68px); font-weight: 400; line-height: 1.18; }
.quote-mark { position: absolute; right: 48px; top: 24px; color: rgba(16,39,37,.13); font-family: Georgia, serif; font-size: 170px; line-height: 1; }
.feature-lines { position: absolute; width: 220px; height: 220px; right: -66px; bottom: -50px; border: 1px solid rgba(16,39,37,.24); border-radius: 50%; box-shadow: 0 0 0 32px rgba(16,39,37,.05), 0 0 0 64px rgba(16,39,37,.035); }

.about-section { padding: 120px clamp(24px, 7vw, 104px); display: grid; grid-template-columns: 1fr 1fr; gap: 64px 8vw; }
.about-copy { padding-top: 36px; }
.about-copy p { margin: 0 0 24px; color: rgba(16,39,37,.66); font-size: 15px; line-height: 2; }
.capability-list { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.capability-list article { padding: 24px 24px 0 0; border-right: 1px solid var(--line); }
.capability-list article:not(:first-child) { padding-left: 24px; }
.capability-list article:last-child { border-right: 0; }
.capability-list span { color: var(--orange); font-family: Georgia, serif; font-size: 13px; font-style: italic; }
.capability-list h3 { margin: 28px 0 10px; font-size: 17px; }
.capability-list p { margin: 0; color: rgba(16,39,37,.55); font-size: 12px; line-height: 1.7; }

.contact-section { position: relative; padding: 110px clamp(24px, 7vw, 104px); overflow: hidden; color: var(--white); background: var(--orange); }
.contact-section .section-kicker { color: rgba(255,255,255,.7); }
.contact-section h2 { max-width: 800px; }
.contact-section > p:not(.section-kicker) { max-width: 540px; margin: 28px 0 36px; color: rgba(255,255,255,.78); line-height: 1.8; }
.contact-stamp { position: absolute; right: 8vw; bottom: -32px; width: 190px; height: 190px; display: grid; place-items: center; text-align: center; border: 1px solid rgba(255,255,255,.32); border-radius: 50%; color: rgba(255,255,255,.18); font-family: STKaiti, KaiTi, serif; font-size: 42px; line-height: 1.1; transform: rotate(9deg); }
.site-footer { padding: 46px clamp(24px, 7vw, 104px); color: rgba(255,255,255,.65); background: #4d0a0e; font-size: 11px; line-height: 1.7; }
.footer-brand { display: flex; align-items: baseline; gap: 12px; margin-bottom: 12px; color: var(--white); font-size: 17px; font-weight: 700; letter-spacing: .1em; }
.footer-brand span { color: rgba(255,255,255,.38); font-size: 8px; letter-spacing: .16em; }
.site-footer p { margin: 4px 0; }
.copyright { margin-top: 20px !important; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 940px; padding-top: 128px; align-items: start; }
  .hero-copy { max-width: 680px; }
  .hero-visual { position: absolute; z-index: 1; right: -58px; bottom: 70px; width: 300px; opacity: .72; }
  .hero-foot { bottom: 24px; }
  .intro-band { grid-template-columns: 1fr; gap: 26px; }
  .intro-tags { justify-content: flex-start; }
  .works-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-section { grid-template-columns: 60px 1fr; }
  .feature-art { grid-column: 2; }
  .capability-list { grid-template-columns: repeat(2, 1fr); }
  .capability-list article:nth-child(2) { border-right: 0; }
  .capability-list article:nth-child(n+3) { margin-top: 32px; }
}

@media (max-width: 640px) {
  .site-header { height: 64px; padding-inline: 18px; }
  .brand-mark { width: 34px; height: 34px; font-size: 18px; }
  .brand-copy strong { font-size: 14px; }
  .menu-button { display: block; }
  .site-nav { position: fixed; inset: 64px 0 0; padding: 34px 24px; display: grid; align-content: start; gap: 8px; background: var(--green-deep); transform: translateX(100%); transition: transform .3s ease; }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a { padding: 18px 0; font-family: STKaiti, KaiTi, serif; font-size: 28px; border-bottom: 1px solid rgba(255,255,255,.15); }
  .menu-open .menu-button span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-open .menu-button span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { min-height: 760px; padding: 112px 24px 44px; }
  .hero h1 { font-size: clamp(54px, 17vw, 76px); line-height: 1.04; }
  .hero-intro { width: 78%; margin-top: 26px; font-size: 14px; line-height: 1.75; }
  .hero-actions { margin-top: 30px; }
  .text-link { display: none; }
  .hero-visual { right: -74px; bottom: 82px; width: 238px; height: 312px; padding: 24px; border-radius: 130px 130px 18px 18px; }
  .seal { width: 132px; height: 132px; }
  .seal-ring span { font-size: 54px; }
  .hero-visual > p { margin-left: 8px; font-size: 17px; }
  .hero-foot { left: 24px; right: 24px; }
  .scroll-cue { display: none; }
  .intro-band { padding: 38px 24px; }
  .intro-band > p { font-size: 25px; }
  .intro-tags { gap: 8px; font-size: 10px; }
  .works-section { padding: 78px 20px 92px; }
  .section-heading { align-items: start; }
  .section-heading h2, .about-heading h2, .feature-copy h2, .contact-section h2 { font-size: 44px; }
  .section-note { display: none; }
  .filter-block { margin-top: 38px; }
  .filter-row { grid-template-columns: 48px minmax(0, 1fr); min-height: 60px; }
  .filter-chip { padding: 8px 13px; font-size: 12px; }
  .works-grid { grid-template-columns: 1fr; gap: 42px; }
  .work-cover { aspect-ratio: 1.38; }
  .feature-section { min-height: auto; padding: 74px 24px; grid-template-columns: 1fr; gap: 28px; }
  .feature-index { display: none; }
  .feature-copy h2 { margin-bottom: 20px; }
  .feature-copy > p { font-size: 14px; line-height: 1.85; }
  .feature-art { grid-column: auto; min-height: 320px; }
  .about-section { padding: 86px 24px; grid-template-columns: 1fr; gap: 22px; }
  .about-copy { padding-top: 0; }
  .capability-list { grid-template-columns: 1fr; margin-top: 28px; }
  .capability-list article, .capability-list article:not(:first-child) { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .capability-list article:nth-child(n+3) { margin-top: 0; }
  .capability-list h3 { margin: 14px 0 7px; }
  .contact-section { padding: 80px 24px 110px; }
  .contact-stamp { width: 150px; height: 150px; right: -32px; bottom: -38px; font-size: 32px; }
  .site-footer { padding: 38px 24px; }
}

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