:root {
  --ink: #1e2521;
  --forest: #1f3b32;
  --forest-deep: #142b24;
  --jade: #739680;
  --cream: #f3eee3;
  --paper: #fbf8f1;
  --gold: #c49a56;
  --clay: #a64e35;
  --line: rgba(30, 37, 33, 0.16);
  --serif: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  --sans: "FZLanTingHeiS-R-GB", "Lantinghei SC", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.7;
  overflow-x: 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;
}
.page-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.045;
  z-index: 20;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.site-header {
  height: 88px;
  padding: 0 clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 248, 241, 0.9);
  backdrop-filter: blur(16px);
  position: relative;
  z-index: 15;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; }
.brand-mark svg { width: 100%; fill: var(--forest); }
.brand-mark .brand-leaf { fill: none; stroke: var(--gold); stroke-width: 1.8; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font: 700 21px/1.15 var(--serif); letter-spacing: 0.14em; }
.brand-copy small { margin-top: 5px; font: 9px/1 var(--sans); letter-spacing: 0.18em; color: #5c655f; }
.site-nav { display: flex; align-items: center; gap: clamp(24px, 3.4vw, 52px); }
.site-nav a { font-size: 14px; letter-spacing: 0.08em; position: relative; }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--clay);
  transition: right 0.25s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }

.hero {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(430px, 1.05fr);
  align-items: stretch;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "朗";
  position: absolute;
  left: -2vw;
  bottom: -18vw;
  font: 42vw/1 var(--serif);
  color: rgba(31, 59, 50, 0.025);
  pointer-events: none;
}
.hero-copy {
  padding: clamp(70px, 9vw, 145px) clamp(32px, 7vw, 112px);
  padding-right: clamp(30px, 5vw, 78px);
  align-self: center;
  position: relative;
  z-index: 2;
}
.eyebrow {
  margin: 0 0 20px;
  color: var(--clay);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.26em;
}
.hero h1 {
  margin: 0;
  font: 600 clamp(48px, 6vw, 92px)/1.12 var(--serif);
  letter-spacing: 0.03em;
}
.hero h1 em, .section-heading h2 em, .contact-strip h2 em {
  color: var(--forest);
  font-style: normal;
  position: relative;
}
.hero h1 em::after {
  content: "";
  position: absolute;
  height: 9px;
  left: 2%;
  right: 0;
  bottom: 5px;
  z-index: -1;
  background: rgba(196, 154, 86, 0.28);
  transform: skewX(-14deg);
}
.hero-intro { max-width: 580px; margin: 34px 0 0; color: #5b625e; font-size: 16px; }
.hero-actions { display: flex; align-items: center; gap: 32px; margin-top: 44px; }
.button {
  min-height: 52px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 38px;
  border: 1px solid currentColor;
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.button:hover { transform: translateY(-3px); }
.button-primary { color: #fff; background: var(--forest); border-color: var(--forest); }
.button-primary:hover { background: var(--clay); border-color: var(--clay); }
.text-link { padding: 8px 0; font-size: 13px; border-bottom: 1px solid var(--line); }
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin: 48px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  color: #626a65;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points i { width: 5px; height: 5px; background: var(--gold); border-radius: 50%; }

.hero-visual {
  min-height: 690px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.07), transparent 48%),
    var(--forest);
  position: relative;
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.hero-visual::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -2%;
  height: 38%;
  background: #172e27;
  clip-path: polygon(0 62%, 12% 51%, 20% 67%, 35% 34%, 46% 58%, 60% 20%, 70% 45%, 86% 14%, 100% 36%, 100% 100%, 0 100%);
}
.moon-disc {
  position: absolute;
  width: clamp(260px, 32vw, 510px);
  aspect-ratio: 1;
  border-radius: 50%;
  top: 9%;
  right: -7%;
  background: var(--cream);
  box-shadow: 0 0 80px rgba(255, 242, 208, 0.17);
}
.moon-disc::after {
  content: "";
  position: absolute;
  inset: 7%;
  border: 1px solid rgba(31, 59, 50, 0.12);
  border-radius: 50%;
}
.collection-label {
  position: absolute;
  top: 13%;
  left: 9%;
  display: grid;
  color: rgba(255,255,255,.78);
  writing-mode: vertical-rl;
  gap: 9px;
  letter-spacing: .2em;
}
.collection-label b { color: #fff; font: 500 24px/1 var(--serif); }
.collection-label span { font-size: 8px; }
.garment { position: absolute; z-index: 2; filter: drop-shadow(18px 24px 22px rgba(8, 20, 16, 0.24)); }
.garment svg { width: 100%; overflow: visible; }
.garment path { fill: #d6c9ac; stroke: #6d7d72; stroke-width: 1; vector-effect: non-scaling-stroke; }
.garment path + path { fill: none; stroke: rgba(31,59,50,.48); }
.garment-one { width: clamp(200px, 24vw, 350px); left: 5%; top: 29%; transform: rotate(-4deg); }
.garment-one path:first-child { fill: #dfd6c4; }
.garment-two { width: clamp(190px, 22vw, 330px); right: 4%; top: 31%; transform: rotate(5deg); }
.garment-two path:first-child { fill: #b7674e; stroke: #743a29; }
.garment-two path + path { stroke: rgba(78,36,24,.55); }
.visual-note {
  position: absolute;
  z-index: 4;
  right: 7%;
  bottom: 6%;
  color: rgba(255,255,255,.76);
  font: 13px/1.8 var(--serif);
  text-align: right;
  letter-spacing: .08em;
}

.ticker { overflow: hidden; background: var(--gold); color: #202a25; padding: 14px 0; }
.ticker-track {
  width: max-content;
  display: flex;
  gap: 32px;
  align-items: center;
  animation: ticker 28s linear infinite;
  font: 500 14px/1 var(--serif);
  letter-spacing: .22em;
}
.ticker-track i { font-size: 6px; color: rgba(30,37,33,.46); }
@keyframes ticker { to { transform: translateX(-50%); } }

.section { padding: clamp(90px, 10vw, 150px) clamp(24px, 7vw, 112px); }
.section-heading { max-width: 720px; margin-bottom: 56px; }
.section-heading h2, .about h2 {
  margin: 0;
  font: 600 clamp(38px, 4vw, 62px)/1.22 var(--serif);
  letter-spacing: .04em;
}
.section-heading > p:last-child { margin: 20px 0 0; color: #68706b; }

.categories { background: var(--cream); }
.category-grid {
  display: grid;
  grid-template-columns: 1.65fr 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.category-card {
  min-height: 340px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
  transition: background-color .3s ease, color .3s ease;
}
.category-card:hover { color: var(--cream); background: var(--forest); }
.category-featured { grid-row: span 2; min-height: 680px; justify-content: space-between; }
.category-grid .category-card:nth-child(4) { grid-column: span 2; }
.category-index { position: absolute; top: 24px; right: 26px; font: italic 13px/1 Georgia, serif; color: var(--clay); }
.category-en { margin: 0 0 8px; font: 10px/1 var(--sans); letter-spacing: .22em; color: var(--clay); }
.category-card h3 { margin: 0 0 12px; font: 600 29px/1.2 var(--serif); letter-spacing: .06em; }
.category-card p:last-child { max-width: 440px; margin: 0; font-size: 14px; color: #66706a; }
.category-card:hover p:last-child { color: rgba(255,255,255,.66); }
.category-icon { align-self: center; width: 58%; margin-top: 50px; }
.category-icon svg { width: 100%; }
.category-icon path { fill: rgba(115,150,128,.12); stroke: var(--forest); stroke-width: .8; }
.category-icon path + path { fill: none; }
.category-swatch { position: absolute; width: 150px; height: 150px; border-radius: 50%; right: -35px; top: -30px; opacity: .75; transition: transform .5s ease; }
.category-card:hover .category-swatch { transform: scale(1.15); }
.swatch-ink { background: repeating-linear-gradient(45deg, #293936 0 2px, #43524e 2px 5px); }
.swatch-linen { background: repeating-linear-gradient(90deg, #d3c5ab 0 1px, #e7decd 1px 4px); }
.swatch-season { background: radial-gradient(circle at 35% 30%, #d48c68 0 25%, #8d4437 26% 55%, #d3aa62 56%); }

.advantages { padding: 0; display: grid; grid-template-columns: .92fr 1.08fr; background: var(--forest); color: #fff; }
.advantage-art { min-height: 790px; position: relative; overflow: hidden; background: #d6cab0; }
.advantage-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, transparent 45%, rgba(20,43,36,.42)); }
.fabric { position: absolute; border-radius: 52% 48% 43% 57% / 35% 43% 57% 65%; box-shadow: inset -40px -35px 70px rgba(23,45,37,.22), 18px 20px 40px rgba(38,43,38,.13); }
.fabric-one { width: 78%; aspect-ratio: .8; background: repeating-linear-gradient(100deg, #eee5d4 0 3px, #d9cdb7 4px 7px); top: -15%; left: -10%; transform: rotate(23deg); }
.fabric-two { width: 82%; aspect-ratio: .74; background: repeating-linear-gradient(82deg, #48685a 0 4px, #3b5a4d 5px 9px); right: -20%; bottom: -22%; transform: rotate(-24deg); }
.fabric-label { position: absolute; z-index: 2; left: 10%; bottom: 12%; color: var(--forest-deep); }
.fabric-label small { display: block; margin-bottom: 12px; letter-spacing: .22em; }
.fabric-label strong { font: 600 clamp(42px,5vw,72px)/1.12 var(--serif); letter-spacing: .1em; }
.advantage-copy { padding: clamp(80px, 9vw, 138px) clamp(35px, 8vw, 120px); }
.section-heading-light h2 em { color: #d7bd83; }
.section-heading-light .eyebrow { color: #d7bd83; }
.advantage-list { border-top: 1px solid rgba(255,255,255,.16); }
.advantage-list article { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.advantage-list article > span { font: italic 12px/1.6 Georgia, serif; color: #d7bd83; }
.advantage-list h3 { margin: 0 0 7px; font: 500 22px/1.2 var(--serif); letter-spacing: .08em; }
.advantage-list p { margin: 0; color: rgba(255,255,255,.58); font-size: 14px; }

.process { background: var(--paper); }
.process-list { display: grid; grid-template-columns: repeat(4,1fr); margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.process-list li { min-height: 250px; padding: 28px 25px; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.process-list li:last-child { border-right: 0; }
.process-list > li > span { color: var(--clay); font: italic 13px/1 Georgia, serif; }
.process-list h3 { margin: 0 0 10px; font: 600 24px/1.2 var(--serif); }
.process-list p { margin: 0; color: #6b746f; font-size: 14px; }

.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(60px,10vw,150px); align-items: center; background: #e0d7c5; }
.about-quote { min-height: 520px; padding: 60px; background: var(--clay); color: #fff; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.about-quote::before { content: "清风"; position: absolute; right: -15%; bottom: -9%; font: 180px/1 var(--serif); color: rgba(255,255,255,.05); writing-mode: vertical-rl; }
.about-quote > span { font: 120px/.7 Georgia, serif; color: #e3bb91; }
.about-quote p { position: relative; margin: 0; font: 500 clamp(36px,4vw,58px)/1.5 var(--serif); letter-spacing: .12em; }
.about-copy > p:not(.eyebrow) { margin: 28px 0 0; color: #565e59; }
.about-facts { margin: 40px 0 0; border-top: 1px solid var(--line); }
.about-facts div { display: grid; grid-template-columns: 110px 1fr; padding: 17px 0; border-bottom: 1px solid var(--line); }
.about-facts dt { color: #747b77; font-size: 13px; }
.about-facts dd { margin: 0; font: 500 15px/1.5 var(--serif); }

.contact-strip { padding: clamp(80px,10vw,140px) 24px; text-align: center; color: #fff; background: var(--forest-deep); position: relative; overflow: hidden; }
.contact-strip::before, .contact-strip::after { content: ""; position: absolute; border: 1px solid rgba(215,189,131,.18); border-radius: 50%; width: 500px; height: 500px; }
.contact-strip::before { left: -250px; top: -220px; }
.contact-strip::after { right: -250px; bottom: -260px; }
.contact-strip .eyebrow { color: #d7bd83; }
.contact-strip h2 { margin: 0; font: 500 clamp(36px,4.5vw,66px)/1.3 var(--serif); }
.contact-strip h2 em { color: #d7bd83; }
.contact-strip > p:not(.eyebrow) { margin: 22px 0 36px; color: rgba(255,255,255,.62); }
.button-light { color: #fff; position: relative; z-index: 2; }
.button-light:hover { color: var(--forest); background: #fff; }

.site-footer { padding: 38px clamp(24px,6vw,96px); display: grid; grid-template-columns: .8fr 1.5fr .8fr; gap: 40px; align-items: start; background: #101a16; color: rgba(255,255,255,.62); font-size: 12px; }
.footer-brand { display: grid; }
.footer-brand strong { color: #fff; font: 600 21px/1.3 var(--serif); letter-spacing: .16em; }
.footer-brand span { margin-top: 5px; }
.footer-legal p { margin: 0 0 5px; }
.footer-record { display: grid; justify-items: end; gap: 5px; }
.footer-record a { color: #d7bd83; }
.footer-record a:hover { text-decoration: underline; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { min-height: 620px; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .category-featured { grid-row: auto; min-height: 470px; }
  .category-grid .category-card:nth-child(4) { grid-column: auto; }
  .advantages { grid-template-columns: 1fr; }
  .advantage-art { min-height: 540px; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-list li { border-bottom: 1px solid var(--line); }
  .about { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-legal { grid-row: 2; grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .site-header { height: 72px; padding: 0 20px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-copy strong { font-size: 18px; }
  .nav-toggle { width: 42px; height: 42px; display: grid; align-content: center; gap: 5px; z-index: 2; cursor: pointer; }
  .nav-toggle span:not(.sr-only) { display: block; height: 1px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav { position: absolute; top: 72px; left: 0; right: 0; padding: 28px 24px; display: grid; gap: 20px; background: var(--paper); border-bottom: 1px solid var(--line); transform: translateY(-120%); opacity: 0; transition: transform .25s ease, opacity .25s ease; z-index: -1; }
  .site-nav.is-open { transform: translateY(0); opacity: 1; }
  .hero { min-height: auto; }
  .hero-copy { padding: 74px 24px 70px; }
  .hero h1 { font-size: clamp(42px, 12vw, 66px); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-visual { min-height: 520px; }
  .garment-one { width: 230px; top: 27%; left: -4%; }
  .garment-two { width: 210px; top: 31%; right: -3%; }
  .collection-label { top: 9%; }
  .visual-note { font-size: 11px; }
  .section { padding: 80px 22px; }
  .section-heading { margin-bottom: 38px; }
  .category-grid { grid-template-columns: 1fr; }
  .category-card, .category-featured { min-height: 330px; }
  .category-icon { width: 42%; margin-top: 24px; }
  .advantage-art { min-height: 450px; }
  .advantage-copy { padding: 80px 24px; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li { min-height: 190px; border-right: 0; }
  .about { gap: 58px; }
  .about-quote { min-height: 420px; padding: 40px 30px; }
  .about-facts div { grid-template-columns: 88px 1fr; }
  .site-footer { grid-template-columns: 1fr; gap: 24px; }
  .footer-legal { grid-row: auto; grid-column: auto; }
  .footer-record { justify-items: start; }
}

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