:root {
  --paper: #ece8df;
  --ink: #1b1916;
  --muted: #666159;
  --line: #aaa49a;
  --orange: #d5522c;
  --orange-dark: #963719;
  --lime: #b9d238;
  --sand: #c8b58d;
  --white: #fffdf8;
  --page: min(1240px, calc(100% - 88px));
}

* { 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; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 20; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E"); }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.04; letter-spacing: -.04em; }
button, input, textarea { font: inherit; }
.page-shell { width: var(--page); margin-inline: auto; }
.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: 8px; left: 8px; z-index: 100; min-width: 160px; min-height: 44px; padding: 10px 16px; background: var(--lime); color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }

.site-header { position: sticky; top: 0; z-index: 30; min-height: 82px; padding: 0 44px; display: flex; align-items: center; justify-content: space-between; gap: 32px; background: rgba(236,232,223,.96); border-bottom: 2px solid var(--ink); backdrop-filter: blur(12px); }
.brand { min-height: 56px; display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { width: 45px; height: 45px; flex: none; fill: none; stroke: currentColor; stroke-width: 2.4; }
.brand-mark circle { fill: var(--orange); stroke: none; }
.brand span { display: grid; line-height: 1.05; }
.brand strong { font-size: 18px; letter-spacing: .04em; }
.brand small { margin-top: 5px; font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.site-nav { display: flex; align-items: center; gap: 3px; }
.site-nav a { min-height: 46px; padding: 11px 15px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; text-decoration: none; border-bottom: 3px solid transparent; }
.site-nav a:hover { border-color: var(--orange); }
.site-nav .nav-contact { margin-left: 8px; color: var(--white); background: var(--ink); border: 0; }
.menu-toggle { display: none; width: 48px; height: 48px; padding: 12px 9px; border: 2px solid var(--ink); background: transparent; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 6px 0; background: currentColor; transition: transform .2s; }
.menu-toggle[aria-expanded="true"] > span:nth-last-child(2) { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] > span:last-child { transform: translateY(-4px) rotate(-45deg); }

.hero { position: relative; min-height: calc(100vh - 82px); overflow: hidden; color: var(--white); background: var(--ink); }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(.6) contrast(1.1); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(19,18,15,.96) 0%, rgba(19,18,15,.76) 43%, rgba(19,18,15,.08) 77%), linear-gradient(0deg, rgba(19,18,15,.72), transparent 45%); }
.hero-copy { position: relative; z-index: 2; width: min(800px, calc(100% - 88px)); padding: clamp(90px, 13vh, 145px) 0 120px; margin-left: max(44px, calc((100vw - 1240px) / 2)); }
.kicker { margin-bottom: 18px; color: var(--orange-dark); font-size: 12px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.kicker.light { color: #f59371; }
.hero h1 { max-width: 840px; margin-bottom: 28px; font-size: clamp(56px, 7.4vw, 114px); }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-copy > p:not(.kicker) { max-width: 650px; font-size: clamp(17px, 1.4vw, 21px); color: #e8e3da; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 38px; }
.button { min-height: 48px; padding: 12px 22px; display: inline-flex; align-items: center; justify-content: center; border: 2px solid currentColor; border-radius: 0; font-weight: 900; text-decoration: none; cursor: pointer; }
.button-orange { color: var(--white); background: var(--orange-dark); border-color: var(--orange-dark); }
.button-orange:hover { background: #743018; }
.plain-link { min-height: 48px; display: inline-flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: underline; text-underline-offset: 5px; }
.hero-stamp { position: absolute; z-index: 2; right: 34px; bottom: 28px; display: grid; justify-items: end; color: var(--white); writing-mode: vertical-rl; }
.hero-stamp b { font-size: 13px; letter-spacing: .2em; }
.hero-stamp span { margin-top: 14px; font-size: 9px; letter-spacing: .12em; color: #d0cbc3; }

.section-index { display: flex; align-items: baseline; gap: 10px; padding-top: 4px; border-top: 2px solid currentColor; }
.section-index b { font-size: 30px; line-height: 1; }
.section-index span { font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.section-index.inverted { color: var(--paper); }
.statement { min-height: 760px; width: var(--page); margin-inline: auto; padding: 112px 0 100px; display: grid; grid-template-columns: 150px minmax(300px, .8fr) minmax(420px, 1.2fr); gap: 42px; align-items: start; position: relative; }
.statement h2, .products h2, .quality h2, .records h2, .contact h2 { margin-bottom: 26px; font-size: clamp(48px, 5.3vw, 82px); }
.statement-copy > p:last-child { max-width: 550px; color: #4b4741; font-size: 17px; }
.material-figure { margin: 30px 0 0; align-self: stretch; }
.material-figure img { width: 100%; height: 450px; object-fit: cover; filter: grayscale(.25); }
.material-figure figcaption, .quality figcaption { padding: 14px 0; display: flex; justify-content: space-between; gap: 22px; color: #575149; font-size: 13px; border-bottom: 1px solid var(--line); }
.material-figure figcaption span { font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.material-bar { position: absolute; left: 192px; bottom: 54px; right: 0; height: 18px; display: grid; grid-template-columns: 38% 22% 26% 14%; gap: 4px; }
.material-bar span:nth-child(1) { background: var(--ink); }
.material-bar span:nth-child(2) { background: var(--sand); }
.material-bar span:nth-child(3) { background: var(--orange); }
.material-bar span:nth-child(4) { background: var(--lime); }

.products { color: var(--paper); background: var(--ink); }
.products-head { min-height: 500px; padding: 105px 0 72px; display: grid; grid-template-columns: 150px 1fr minmax(270px, 370px); gap: 42px; align-items: start; }
.products-head > p { margin-top: 58px; color: #c8c2b9; }
.product-band { min-height: 390px; display: grid; grid-template-columns: 105px minmax(300px, .75fr) minmax(400px, 1.25fr); border-top: 1px solid #6c665f; overflow: hidden; }
.product-number { padding: 34px 22px; font-size: 30px; font-weight: 900; border-right: 1px solid #6c665f; }
.product-copy { padding: 56px 44px; display: flex; flex-direction: column; justify-content: center; }
.product-copy > span { margin-bottom: 22px; color: #f59371; font-size: 10px; font-weight: 900; letter-spacing: .16em; }
.product-copy h3 { margin-bottom: 22px; font-size: clamp(35px, 3.8vw, 57px); }
.product-copy p { max-width: 500px; color: #c8c2b9; }
.product-band img { width: 100%; height: 100%; min-height: 390px; object-fit: cover; filter: grayscale(.6) contrast(1.08); }
.product-special { color: var(--ink); background: var(--sand); border-color: var(--ink); }
.product-special .product-number { border-color: var(--ink); }
.product-special .product-copy > span { color: #63270f; }
.product-special .product-copy p { color: #403b35; }
.product-special img { filter: grayscale(.35) sepia(.08); }
.product-general { background: #302d28; }

.quality { padding: 120px 0; display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; align-items: end; }
.quality .section-index { max-width: 180px; margin-bottom: 60px; }
.quality-copy > p:not(.kicker) { max-width: 610px; color: #514d46; }
.quality ol { margin: 48px 0 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.quality li { min-height: 82px; padding: 18px 0; display: grid; grid-template-columns: 55px 1fr; gap: 14px; align-items: center; border-bottom: 1px solid var(--line); }
.quality li b { color: var(--orange-dark); font-size: 24px; }
.quality li span { display: grid; color: #514d46; }
.quality li strong { color: var(--ink); font-size: 18px; }
.quality figure { margin: 0; }
.quality figure img { width: 100%; height: 650px; object-fit: cover; filter: grayscale(.35); }

.logistics { min-height: 720px; position: relative; display: grid; align-items: end; color: var(--white); background: var(--ink); overflow: hidden; }
.logistics > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(.7) contrast(1.08); }
.logistics::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,17,15,.92), rgba(18,17,15,.35) 58%, rgba(18,17,15,.05)); }
.logistics-copy { position: relative; z-index: 2; width: min(660px, calc(100% - 88px)); margin: 0 0 80px max(44px, calc((100vw - 1240px) / 2)); }
.logistics h2 { margin-bottom: 25px; font-size: clamp(47px, 5.6vw, 84px); }
.logistics-copy > p:not(.kicker) { max-width: 560px; color: #e0dbd3; }
.button-lime { margin-top: 24px; color: var(--ink); background: var(--lime); border-color: var(--lime); }
.button-lime:hover { background: #d0ea52; }

.records { min-height: 820px; display: grid; grid-template-columns: 1.08fr .92fr; color: var(--paper); background: var(--orange-dark); }
.records-image { min-height: 820px; overflow: hidden; }
.records-image img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.55) contrast(1.08); }
.records-copy { padding: 95px clamp(44px, 5vw, 90px); }
.records-copy .section-index { max-width: 170px; margin-bottom: 60px; }
.records-copy .kicker { color: #ffd1bf; }
.records h2 { max-width: 620px; }
.record-line { min-height: 135px; padding: 25px 0; display: grid; grid-template-columns: 85px 1fr; gap: 22px; border-top: 1px solid rgba(255,255,255,.5); }
.record-line time, .record-line > span { color: var(--lime); font-size: 24px; font-weight: 900; }
.record-line h3 { margin: 3px 0 9px; font-size: 22px; }
.record-line p { margin: 0; color: #fff7f2; }

.contact { padding: 120px 0 105px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; align-items: start; }
.contact .section-index { max-width: 170px; margin-bottom: 58px; }
.contact-copy > p:not(.kicker) { max-width: 570px; color: #514d46; }
address { margin-top: 48px; font-style: normal; border-top: 2px solid var(--ink); }
address > div { padding: 18px 0; display: grid; grid-template-columns: 170px 1fr; gap: 18px; border-bottom: 1px solid var(--line); }
address span { font-size: 12px; font-weight: 900; letter-spacing: .06em; }
address p { margin: 0; }
address a { min-height: 44px; display: inline-flex; align-items: center; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.contact-form { padding: 40px; color: var(--paper); background: var(--ink); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label { display: grid; gap: 8px; margin-bottom: 20px; font-size: 13px; font-weight: 800; }
.contact-form input, .contact-form textarea { width: 100%; min-height: 52px; padding: 12px 13px; color: var(--white); background: #292621; border: 1px solid #837d73; border-radius: 0; }
.contact-form textarea { min-height: 145px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--lime); }
.consent { grid-template-columns: 26px 1fr !important; align-items: start; font-weight: 400 !important; }
.consent input { width: 22px; min-height: 22px; margin: 1px 0 0; accent-color: var(--lime); }
.consent span { min-height: 44px; display: flex; align-items: flex-start; }
.button-dark { min-width: 165px; color: var(--ink); background: var(--paper); border-color: var(--paper); }
.form-status { min-height: 26px; margin: 18px 0 0; color: #d4e870; font-weight: 800; }

.site-footer { min-height: 145px; padding: 35px 44px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 42px; color: var(--paper); background: #11100e; border-top: 8px solid var(--orange); }
.site-footer p { margin: 0; color: #d3cdc4; font-size: 12px; }
.footer-brand { min-height: 60px; }

@media (max-width: 1100px) {
  :root { --page: min(100% - 56px, 940px); }
  .site-header { padding-inline: 28px; }
  .site-nav a { padding-inline: 10px; font-size: 13px; }
  .statement { grid-template-columns: 110px 1fr; }
  .material-figure { grid-column: 2; margin-top: 0; }
  .material-bar { left: 152px; }
  .products-head { grid-template-columns: 110px 1fr; }
  .products-head > p { grid-column: 2; margin-top: 0; }
  .product-band { grid-template-columns: 80px .8fr 1.2fr; }
  .product-copy { padding-inline: 28px; }
  .quality, .contact { gap: 5vw; }
  .records-copy { padding-inline: 42px; }
}

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .site-nav { position: fixed; top: 82px; right: 18px; left: 18px; padding: 12px; display: none; grid-template-columns: 1fr 1fr; gap: 4px; color: var(--paper); background: var(--ink); border: 2px solid var(--paper); box-shadow: 0 18px 45px rgba(0,0,0,.4); }
  .site-nav.is-open { display: grid; }
  .site-nav a { min-height: 48px; }
  .site-nav .nav-contact { margin-left: 0; color: var(--ink); background: var(--lime); }
  .product-band { grid-template-columns: 70px 1fr; }
  .product-band img { grid-column: 1 / -1; height: 360px; min-height: 0; }
  .quality { grid-template-columns: 1fr; }
  .quality figure { margin-left: 18%; }
  .quality figure img { height: 520px; }
  .records { grid-template-columns: 1fr; }
  .records-image { min-height: 480px; }
  .contact { grid-template-columns: 1fr; }
  .contact-form { width: min(690px, 100%); margin-left: auto; }
}

@media (max-width: 680px) {
  :root { --page: calc(100% - 36px); }
  .site-header { min-height: 72px; padding-inline: 18px; }
  .brand-mark { width: 39px; height: 39px; }
  .brand strong { font-size: 16px; }
  .site-nav { top: 72px; grid-template-columns: 1fr; }
  .site-nav a { justify-content: flex-start; padding-left: 18px; }
  .site-nav .nav-contact { justify-content: center; }
  .hero { min-height: calc(100vh - 72px); }
  .hero-overlay { background: linear-gradient(90deg, rgba(19,18,15,.92), rgba(19,18,15,.48)), linear-gradient(0deg, rgba(19,18,15,.65), transparent 50%); }
  .hero-copy { width: calc(100% - 36px); margin-left: 18px; padding: 90px 0 92px; }
  .hero h1 { font-size: clamp(50px, 15vw, 72px); }
  .hero-copy > p:not(.kicker) { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 8px; }
  .hero-actions .button, .hero-actions .plain-link { width: 100%; justify-content: center; }
  .hero-stamp { display: none; }
  .statement { min-height: auto; padding: 76px 0 80px; display: block; }
  .section-index { width: 128px; margin-bottom: 45px; }
  .section-index b { font-size: 25px; }
  .statement h2, .products h2, .quality h2, .records h2, .contact h2, .logistics h2 { font-size: clamp(41px, 12vw, 58px); }
  .material-figure { margin-top: 38px; }
  .material-figure img { height: 330px; }
  .material-figure figcaption, .quality figcaption { display: block; }
  .material-figure figcaption span { display: block; margin-bottom: 5px; }
  .material-bar { display: none; }
  .products-head { min-height: auto; padding: 76px 0 58px; display: block; }
  .products-head > p { margin: 30px 0 0; }
  .product-band { min-height: 0; grid-template-columns: 55px 1fr; }
  .product-number { padding: 28px 12px; font-size: 21px; }
  .product-copy { padding: 43px 22px; }
  .product-copy h3 { font-size: 36px; }
  .product-band img { height: 270px; }
  .quality { padding: 80px 0; }
  .quality .section-index, .records-copy .section-index, .contact .section-index { margin-bottom: 45px; }
  .quality figure { margin-left: 0; }
  .quality figure img { height: 400px; }
  .quality li { grid-template-columns: 45px 1fr; }
  .logistics { min-height: 660px; }
  .logistics-copy { width: calc(100% - 36px); margin: 0 0 52px 18px; }
  .logistics::after { background: rgba(18,17,15,.68); }
  .records-image { min-height: 330px; }
  .records-copy { padding: 72px 18px; }
  .record-line { grid-template-columns: 70px 1fr; }
  .record-line time, .record-line > span { font-size: 19px; }
  .contact { padding: 80px 0; }
  address > div { grid-template-columns: 1fr; gap: 4px; }
  .contact-form { padding: 26px 18px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .button-dark { width: 100%; min-height: 52px; }
  .site-footer { padding: 32px 18px; grid-template-columns: 1fr; gap: 14px; }
}

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