:root {
  --ink: #151411;
  --muted: #736d64;
  --cream: #f2eee6;
  --paper: #faf8f3;
  --sand: #d7c9b7;
  --wood: #93643e;
  --line: rgba(24, 23, 21, .15);
  --shadow: 0 24px 70px rgba(53, 38, 23, .16);
  --radius: 30px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.6; text-rendering: optimizeLegibility; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button, a { touch-action: manipulation; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid #8b5b35; outline-offset: 4px; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; padding: 10px 16px; background: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.site-header { height: 96px; padding: 0 clamp(24px, 4vw, 72px); display: flex; align-items: center; justify-content: space-between; position: absolute; inset: 0 0 auto; z-index: 20; border-bottom: 1px solid rgba(21,20,17,.09); }
.site-header.scrolled { position:fixed; height:74px; background:rgba(250,248,243,.88); border-color:rgba(21,20,17,.1); backdrop-filter:blur(18px); box-shadow:0 8px 30px rgba(25,20,15,.06); animation:header-in .28s ease both; }
@keyframes header-in { from { transform:translateY(-100%); } to { transform:none; } }
.brand { display: flex; align-items: baseline; gap: 12px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(25px, 2.2vw, 37px); font-weight: 700; letter-spacing: -.055em; }
.brand small { font-size: 11px; letter-spacing: .18em; font-weight: 500; opacity: .64; }
.desktop-nav { display: flex; gap: clamp(28px, 4vw, 68px); font-size: 14px; font-weight: 600; }
.desktop-nav a { position: relative; padding: 10px 0; }
.desktop-nav a::after { content: ""; position: absolute; inset: auto 0 3px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.menu-button { width: 48px; height: 48px; border: 0; background: transparent; display: grid; place-content: center; gap: 5px; cursor: pointer; }
.menu-button span { width: 27px; height: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { position: fixed; inset: 88px 0 0; padding: 50px 28px; background: rgba(246, 241, 232, .98); backdrop-filter: blur(20px); font-size: 30px; font-weight: 700; }
.mobile-menu a { display: block; padding: 15px 0; border-bottom: 1px solid var(--line); }
.hero { min-height: min(900px, 100dvh); display: grid; grid-template-columns: 45% 55%; background: var(--cream); border-bottom: 1px solid var(--line); }
.hero-copy { padding: 180px clamp(32px, 6.2vw, 118px) 70px; display: flex; flex-direction: column; justify-content: center; position: relative; }
.hero-brand-line { margin-bottom:34px; display:flex; align-items:center; gap:14px; color:#61594f; font-size:11px; letter-spacing:.15em; text-transform:uppercase; }
.hero-brand-line span { font-family:Georgia,"Times New Roman",serif; font-weight:700; }
.hero-brand-line i { width:42px; height:1px; background:rgba(21,20,17,.35); }
.hero-brand-line strong { color:var(--wood); font-size:12px; letter-spacing:.18em; font-weight:700; }
.eyebrow { margin: 0 0 22px; text-transform: uppercase; letter-spacing: .18em; font-size: 12px; font-weight: 800; color: var(--wood); }
.hero h1 { margin: 0; max-width: 720px; font-family: Georgia, "Songti SC", "SimSun", serif; font-size: clamp(52px, 5.25vw, 92px); line-height: 1.08; letter-spacing: -.07em; font-weight: 500; white-space: pre-line; }
.hero-description { margin: 38px 0; max-width: 500px; color: #554f48; font-size: clamp(16px, 1.2vw, 20px); line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.button { min-height: 54px; padding: 14px 27px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button-dark { color: #fff; background: var(--ink); box-shadow: 0 10px 30px rgba(24, 23, 21, .16); }
.button:hover { transform: translateY(-2px); }
.text-link { display: inline-flex; align-items: center; gap: 10px; padding: 12px 0; font-weight: 700; border-bottom: 1px solid; }
.hero-index { position: absolute; left: clamp(32px, 6.2vw, 118px); bottom: 42px; display: flex; align-items: center; gap: 14px; font-size: 11px; font-weight: 700; }
.index-line { width: 70px; height: 1px; background: var(--ink); opacity: .35; }
.hero-visual { position: relative; min-width: 0; overflow: hidden; background: #b9aa98; }
.hero-visual > img { width: 100%; height: 100%; object-fit: cover; object-position: 52% 50%; filter: saturate(.8) contrast(1.04); }
.hero-visual::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(22,19,15,.08),transparent 35%,rgba(15,13,11,.15)); pointer-events:none; }
.hero-stamp { position:absolute; z-index:2; top:132px; right:42px; width:168px; aspect-ratio:1; display:flex; flex-direction:column; align-items:center; justify-content:center; color:#f7f2e9; border:1px solid rgba(255,255,255,.65); border-radius:50%; text-align:center; text-transform:uppercase; backdrop-filter:blur(7px); }
.hero-stamp span,.hero-stamp small { font-size:8px; letter-spacing:.22em; }
.hero-stamp strong { margin:8px 0; font:500 22px/1 Georgia,serif; text-transform:none; }
.hero-caption { position:absolute; z-index:2; left:34px; bottom:32px; display:flex; align-items:flex-end; gap:14px; color:#fff; text-transform:uppercase; }
.hero-caption span { font:500 48px/1 Georgia,serif; }
.hero-caption p { margin:0 0 3px; padding-left:14px; border-left:1px solid rgba(255,255,255,.65); font-size:8px; line-height:1.6; letter-spacing:.16em; }
.featured-card { position: absolute; z-index:3; right: 7%; bottom: 7%; width: min(380px, 48%); padding: 28px; color: #fff; background: rgba(30, 26, 21, .38); border: 1px solid rgba(255, 255, 255, .42); border-radius: 2px; backdrop-filter: blur(18px); box-shadow: var(--shadow); }
.featured-card p { margin: 0 0 7px; font-size: 11px; letter-spacing: .15em; }
.featured-card h2 { margin: 0 0 8px; font-size: 24px; }
.featured-card > span { display: block; font-size: 12px; opacity: .86; }
.featured-card div { margin-top: 22px; padding-top: 17px; border-top: 1px solid rgba(255, 255, 255, .4); display: flex; align-items: center; justify-content: space-between; }
.featured-card a { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: #fff; color: var(--ink); }
.section-shell { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }
.intro { padding: 160px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; }
.intro h2, .section-heading h2, .story h2, .support h2, .contact h2 { margin: 0; font-family: Georgia, "Songti SC", "SimSun", serif; font-size: clamp(40px, 4.5vw, 72px); line-height: 1.13; letter-spacing: -.055em; font-weight:500; }
.manifesto { overflow:hidden; padding:60px 0 135px; background:var(--paper); }
.manifesto-track { width:max-content; display:flex; align-items:center; gap:34px; transform:translateX(-2vw); color:#d6cec2; font:500 clamp(52px,8vw,130px)/1 Georgia,serif; letter-spacing:-.045em; white-space:nowrap; }
.manifesto-track i { width:12px; height:12px; border-radius:50%; background:var(--wood); }
.manifesto-copy { margin-top:85px; display:grid; grid-template-columns:1fr 1.3fr; align-items:end; gap:8vw; }
.manifesto-copy p { margin:0; color:var(--muted); font-size:16px; }
.manifesto-copy strong { font:500 clamp(28px,3.6vw,56px)/1.28 Georgia,"Songti SC",serif; letter-spacing:-.04em; }
.intro > div:last-child > p { margin: 0; max-width: 620px; font-size: 19px; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 65px; }
.stat { padding-top: 18px; border-top: 1px solid var(--ink); }
.stat strong { display: block; font-size: 31px; letter-spacing: -.04em; }
.stat span { color: var(--muted); font-size: 14px; }
.products-section { padding: 150px 0 170px; background: #e8e0d4; }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; align-items: end; gap: 50px; margin-bottom: 60px; }
.section-heading > p { max-width: 440px; color: var(--muted); }
.product-toolbar { margin-bottom:32px; padding:18px 0; display:flex; align-items:flex-end; justify-content:space-between; gap:24px; border-top:1px solid rgba(21,20,17,.17); border-bottom:1px solid rgba(21,20,17,.17); }
.product-toolbar > p { margin:0; color:var(--muted); font-size:12px; white-space:nowrap; }
.product-filter-stack { min-width:0; display:grid; gap:16px; }
.product-filter-group { display:grid; grid-template-columns:72px minmax(0,1fr); align-items:start; gap:12px; }
.product-filter-group > p { margin:0; padding-top:12px; color:var(--muted); font-size:11px; font-weight:700; letter-spacing:.08em; }
.product-filters { display:flex; flex-wrap:wrap; gap:8px; }
.filter-button { min-width:44px; min-height:44px; padding:9px 16px; border:1px solid rgba(21,20,17,.17); border-radius:999px; color:#5d564d; background:transparent; cursor:pointer; font-size:13px; font-weight:700; transition:background .2s ease,color .2s ease,border-color .2s ease; }
.filter-button:hover,.filter-button.active { color:#fff; border-color:var(--ink); background:var(--ink); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 58px 28px; align-items:start; }
.product-card { min-width: 0; }
.product-card-link { display:block; min-height:44px; }
.product-image { position: relative; overflow: hidden; aspect-ratio: 4 / 5; border-radius: 2px; background: #d1c3b1; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.2,.7,.2,1); }
.product-card:hover img { transform: scale(1.035); }
.product-card:hover .product-meta h3 { color:var(--wood); }
.product-number { position:absolute; left:18px; top:17px; z-index:2; color:#fff; font:500 20px Georgia,serif; letter-spacing:-.05em; text-shadow:0 2px 14px rgba(0,0,0,.3); }
.badge { position: absolute; left: 18px; top: 18px; padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.88); font-size: 11px; font-weight: 700; }
.product-number + .badge { left:auto; right:18px; }
.product-view { position:absolute; inset:auto 0 0; min-height:52px; padding:0 18px; display:flex; align-items:center; justify-content:space-between; color:#fff; background:linear-gradient(transparent,rgba(18,15,12,.78)); font-size:11px; font-weight:700; letter-spacing:.08em; transform:translateY(16px); opacity:0; transition:transform .25s ease,opacity .25s ease; }
.product-view i { font-style:normal; font-size:17px; }
.product-card:hover .product-view,.product-card-link:focus-visible .product-view { transform:none; opacity:1; }
.product-meta { padding: 22px 4px 0; }
.product-taxonomy { margin-bottom:5px; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.product-taxonomy small { min-width:0; }
.product-audience { flex:0 0 auto; padding:3px 8px; color:#574c42; border:1px solid rgba(87,76,66,.28); border-radius:999px; font-size:10px; font-weight:700; letter-spacing:.04em; }
.product-meta > div { display: flex; justify-content: space-between; gap: 15px; align-items: baseline; }
.product-meta > .product-taxonomy { display:flex; }
.product-meta h3 { margin: 0; font:500 24px/1.3 Georgia,"Songti SC",serif; }
.product-meta strong { white-space: nowrap; }
.product-meta small { color: var(--wood); font-weight: 700; letter-spacing: .1em; }
.product-meta p { color: var(--muted); }
.product-more { margin-top:62px; display:flex; justify-content:center; }
.products-empty { padding:54px 24px; display:grid; justify-items:center; gap:18px; border:1px solid rgba(21,20,17,.15); text-align:center; }
.products-empty[hidden] { display:none; }
.products-empty p { margin:0; color:var(--muted); }
.button-outline { min-width:230px; color:var(--ink); border:1px solid var(--ink); background:transparent; cursor:pointer; }
.button-outline:hover { color:#fff; background:var(--ink); }
.story { min-height: 760px; padding: 170px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; align-items: center; }
.story-art { height: 540px; overflow: hidden; position: relative; border-radius: var(--radius); background: #c9986b; color: #3c2a20; }
.story-art-image { position:absolute; inset:0; z-index:4; width:100%; height:100%; object-fit:cover; opacity:0; transition:opacity .25s ease; }
.story-art.has-image .story-art-image { opacity:1; }
.story-art.has-image .sun,.story-art.has-image .arch,.story-art.has-image svg { visibility:hidden; }
.sun { position: absolute; width: 220px; height: 220px; border-radius: 50%; background: #f2d8a7; left: 50%; top: 70px; transform: translateX(-50%); }
.arch { position: absolute; border: 34px solid #7f4e32; border-bottom: 0; border-radius: 180px 180px 0 0; }
.arch-one { width: 360px; height: 390px; left: -80px; bottom: 0; }
.arch-two { width: 310px; height: 320px; right: -80px; bottom: 0; }
.story-art svg { position: absolute; z-index: 2; width: 55%; left: 50%; bottom: -10px; transform: translateX(-50%); }
.story-copy > div p { color: var(--muted); font-size: 17px; }
blockquote { margin: 45px 0 0; padding: 25px 0 0 28px; border-top: 1px solid var(--line); border-left: 4px solid var(--wood); font-size: 22px; font-weight: 600; }
.support { padding: 150px 0; color: #f7f2e9; background: #1e1c19; }
.support h2 { max-width: 720px; }
.support-grid { margin-top: 65px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: service; }
.support-card { padding: 30px 0; border-top: 1px solid rgba(255,255,255,.28); counter-increment: service; }
.support-card::before { content: "0" counter(service); color: #caa67b; font-size: 12px; letter-spacing: .14em; }
.support-card h3 { font-size: 24px; margin: 30px 0 12px; }
.support-card p { color: #bcb6ad; }
.contact { padding: 120px 0; display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.contact-list { display: grid; gap: 12px; font-size: 17px; }
.contact-list a { width: fit-content; border-bottom: 1px solid; font-weight: 700; }
.contact-list span { color: var(--muted); }
.site-footer { padding: 65px clamp(24px, 5vw, 80px); display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: end; gap: 30px; background: var(--cream); border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.footer-brand { display: grid; gap: 2px; color: var(--ink); }
.footer-links { display: flex; justify-content: flex-end; gap: 22px; flex-wrap: wrap; }
.loading-screen { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; color: #fff; background: #211f1b; transition: opacity .45s ease, visibility .45s ease; }
.loading-screen span { font-size: clamp(32px, 7vw, 90px); font-weight: 800; letter-spacing: -.07em; }
body.loaded .loading-screen { opacity: 0; visibility: hidden; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 920px) {
  .desktop-nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 690px; padding-top: 150px; }
  .hero-visual { min-height: 680px; }
  .intro, .story, .contact { grid-template-columns: 1fr; }
  .section-heading { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .manifesto-copy { grid-template-columns:1fr; }
  .support-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header { height: 72px; padding-inline: 20px; }
  .brand small { display: none; }
  .mobile-menu { inset-block-start: 72px; }
  .hero-copy { min-height: 620px; padding: 125px 24px 85px; }
  .hero-brand-line { margin-bottom:25px; gap:9px; }
  .hero-brand-line i { width:22px; }
  .hero-brand-line strong { font-size:10px; letter-spacing:.1em; }
  .hero h1 { font-size: clamp(45px, 13.5vw, 66px); }
  .hero-index { left: 24px; bottom: 30px; }
  .hero-visual { min-height: 600px; }
  .hero-stamp { width:130px; top:28px; right:20px; }
  .hero-caption { left:20px; }
  .featured-card { width: calc(100% - 36px); right: 18px; bottom: 18px; }
  .section-shell { width: min(100% - 36px, 1240px); }
  .intro, .story, .contact { padding-block: 90px; }
  .stats { margin-top: 45px; gap: 9px; }
  .stat strong { font-size: 24px; }
  .products-section, .support { padding-block: 90px; }
  .section-heading { margin-bottom:35px; }
  .product-toolbar { margin-bottom:20px; padding:14px 0; align-items:flex-start; flex-direction:column; }
  .product-filter-stack,.product-filter-group,.product-filters { width:100%; }
  .product-filter-group { grid-template-columns:1fr; gap:8px; }
  .product-filter-group > p { padding-top:0; }
  .product-filters { flex-wrap:wrap; gap:8px; }
  .filter-button { min-height:44px; padding:8px 13px; font-size:12px; touch-action:manipulation; }
  .product-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap:32px 12px; }
  .product-image { aspect-ratio:4/5; }
  .badge { left:8px; top:8px; padding:6px 9px; font-size:10px; }
  .product-number { left:9px; top:8px; font-size:16px; }
  .product-number + .badge { left:auto; right:8px; }
  .product-view { display:none; }
  .product-meta { padding:13px 1px 0; }
  .product-meta > div { display:block; }
  .product-meta > .product-taxonomy { display:flex; align-items:center; }
  .product-audience { font-size:9px; }
  .product-meta h3 { margin-top:4px; font-size:17px; line-height:1.32; }
  .product-meta strong { display:block; margin-top:5px; font-size:15px; }
  .product-meta small { font-size:10px; letter-spacing:.06em; }
  .product-meta p { display:none; }
  .product-more { margin-top:42px; }
  .button-outline { width:100%; }
  .manifesto { padding-bottom:90px; }
  .manifesto-track { font-size:58px; }
  .story-art { height: 430px; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

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