:root {
  --ink: #10221d;
  --deep: #071612;
  --forest: #17372f;
  --forest-2: #21483d;
  --paper: #f3f0e9;
  --paper-2: #e8e0d3;
  --gold: #c8a66b;
  --copper: #a76744;
  --muted: #5a6863;
  --line: rgba(16, 34, 29, .16);
  --serif: "Songti SC", "STSong", "Noto Serif SC", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 82px;
  display: grid;
  grid-template-columns: 250px 1fr auto;
  align-items: center;
  padding: 0 40px;
  background: rgba(243, 240, 233, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 11px; width: fit-content; }
.brand-mark { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; font: 17px Georgia, serif; }
.brand-name strong { display: block; font: 15px Georgia, serif; letter-spacing: .16em; }
.brand-name small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; letter-spacing: .15em; }
.site-nav { display: flex; justify-content: center; gap: 34px; font-size: 13px; }
.site-nav a { padding: 13px 0; border-bottom: 1px solid transparent; transition: border-color .2s ease, color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--copper); border-color: var(--copper); outline: none; }
.partner-label { padding: 10px 14px; border: 1px solid var(--line); color: #6b5b48; font-size: 11px; letter-spacing: .1em; }

.products-section { padding: 96px 0 118px; overflow: hidden; }
.intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 8vw; align-items: end; margin-bottom: 70px; }
.eyebrow { margin: 0 0 22px; color: var(--copper); font: 12px Georgia, serif; letter-spacing: .18em; }
.intro h1 { margin: 0; font-family: var(--serif); font-size: clamp(58px, 7.1vw, 100px); font-weight: 400; line-height: 1.08; letter-spacing: -.045em; }
.intro-copy { border-top: 1px solid var(--line); padding-top: 24px; }
.intro-copy p { margin: 0 0 25px; color: #455650; font-size: 17px; line-height: 1.9; }
.intro-copy span { color: var(--copper); font-size: 12px; letter-spacing: .12em; }

.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.product-card {
  position: relative;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  padding: 30px 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
  overflow: hidden;
  transition: color .28s ease, background-color .28s ease;
}
.product-card::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  right: -170px;
  top: -170px;
  z-index: -1;
  border: 1px solid var(--card-accent, var(--gold));
  border-radius: 50%;
  opacity: .36;
  transition: width .5s ease, height .5s ease, right .5s ease, top .5s ease, opacity .3s ease;
}
.product-card::after {
  content: "";
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: 70px;
  height: 1px;
  z-index: -1;
  background: var(--line);
}
.product-card:hover, .product-card:focus-visible { background: var(--forest); color: #fff; outline: none; }
.product-card:hover::before, .product-card:focus-visible::before { width: 520px; height: 520px; right: -210px; top: -210px; opacity: .25; }
.product-card:hover::after, .product-card:focus-visible::after { background: rgba(255,255,255,.18); }
.card-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.card-meta span:first-child { color: var(--copper); font: 13px Georgia, serif; }
.product-card:hover .card-meta, .product-card:focus-visible .card-meta { color: rgba(255,255,255,.56); }
.product-card:hover .card-meta span:first-child, .product-card:focus-visible .card-meta span:first-child { color: var(--gold); }
.card-body { margin: auto 0 54px; }
.card-body > p:first-child { margin: 0 0 16px; color: var(--copper); font: 11px Georgia, serif; letter-spacing: .15em; }
.product-card:hover .card-body > p:first-child, .product-card:focus-visible .card-body > p:first-child { color: var(--gold); }
.card-body h2 { margin: 0; font-family: Georgia, var(--serif); font-size: clamp(40px, 4vw, 62px); font-weight: 400; line-height: 1.08; letter-spacing: -.025em; }
.card-body h3 { margin: 12px 0 0; font-family: var(--serif); font-size: 25px; font-weight: 400; }
.card-description { max-width: 430px; margin: 24px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.product-card:hover .card-description, .product-card:focus-visible .card-description { color: rgba(255,255,255,.67); }
.card-link { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.card-link b { color: var(--copper); font-size: 21px; font-weight: 400; transition: transform .2s ease; }
.product-card:hover .card-link b, .product-card:focus-visible .card-link b { color: var(--gold); transform: translate(3px,-3px); }
.card-stem { --card-accent: #88a792; }
.card-diabetes { --card-accent: #759ba5; }
.card-tea { --card-accent: #9a9c57; }
.card-women { --card-accent: #b98a80; }
.card-men { --card-accent: #817d68; }
.card-care { --card-accent: #b28166; }
.card-inbound { --card-accent: #6f9e91; grid-column: 1 / -1; min-height: 430px; }
.card-inbound .card-description { max-width: 600px; }

.manuals-section { padding: 110px 0 120px; background: var(--deep); color: #fff; }
.section-heading { display: grid; grid-template-columns: 1fr .68fr; align-items: end; gap: 8vw; margin-bottom: 58px; }
.section-heading h2, .contact-copy h2 { margin: 0; font-family: var(--serif); font-size: clamp(52px, 6vw, 82px); font-weight: 400; line-height: 1.1; letter-spacing: -.04em; }
.section-heading > p { margin: 0; color: rgba(255,255,255,.58); font-size: 15px; line-height: 1.85; }
.manual-list { border-top: 1px solid rgba(255,255,255,.18); }
.manual-item { min-height: 104px; display: grid; grid-template-columns: 54px 1fr 100px 126px; gap: 20px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.18); }
.manual-index { color: var(--gold); font: 12px Georgia, serif; }
.manual-item h3 { margin: 0; font-family: var(--serif); font-size: 20px; font-weight: 400; }
.manual-item p { margin: 7px 0 0; color: rgba(255,255,255,.42); font-size: 12px; }
.manual-status { width: fit-content; padding: 7px 10px; border: 1px solid rgba(200,166,107,.45); color: var(--gold); font-size: 11px; letter-spacing: .08em; }
.manual-item button { justify-self: stretch; padding: 11px 10px; border: 1px solid rgba(255,255,255,.18); background: transparent; color: rgba(255,255,255,.36); font-size: 12px; cursor: not-allowed; }

.contact-section { padding: 118px 0 0; background: #d9d0c0; }
.contact-shell { display: grid; grid-template-columns: 1.08fr .92fr; gap: 9vw; align-items: center; padding-bottom: 110px; }
.contact-lead { max-width: 560px; margin: 28px 0 44px; color: #43524d; font-size: 17px; line-height: 1.9; }
.contact-copy dl { margin: 0; border-top: 1px solid rgba(16,34,29,.22); }
.contact-copy dl > div { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 17px 0; border-bottom: 1px solid rgba(16,34,29,.22); }
.contact-copy dt { color: #65706c; font-size: 13px; }
.contact-copy dd { margin: 0; font-family: Georgia, var(--sans); font-size: 18px; }
.contact-copy dd a { border-bottom: 1px solid var(--copper); }
.qr-card { margin: 0; justify-self: end; width: min(390px, 100%); }
.qr-frame { padding: 18px; background: var(--paper); box-shadow: 0 24px 70px rgba(16,34,29,.13); }
.qr-frame img { width: 100%; height: auto; }
.qr-card figcaption { display: flex; justify-content: space-between; gap: 16px; margin-top: 17px; }
.qr-card strong { font-family: var(--serif); font-size: 17px; font-weight: 400; }
.qr-card span { color: #5b6863; font-size: 12px; }
.site-footer { min-height: 78px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(16,34,29,.22); color: #57655f; font-size: 11px; letter-spacing: .05em; }

@media (max-width: 960px) {
  .site-header { height: 72px; grid-template-columns: 1fr auto; padding: 0 20px; }
  .site-nav { display: none; }
  .shell { width: min(100% - 40px, 760px); }
  .products-section { padding-top: 70px; }
  .intro, .section-heading, .contact-shell { grid-template-columns: 1fr; gap: 36px; }
  .intro { margin-bottom: 50px; }
  .product-grid { grid-template-columns: 1fr; }
  .card-inbound { grid-column: auto; min-height: 430px; }
  .manual-item { grid-template-columns: 44px 1fr 92px 118px; }
  .qr-card { justify-self: start; width: min(360px, 100%); }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 68px; }
  .site-header { height: 68px; padding: 0 14px; }
  .brand-name small { display: none; }
  .partner-label { padding: 8px; font-size: 9px; letter-spacing: .06em; }
  .shell { width: calc(100% - 30px); }
  .products-section { padding: 52px 0 74px; }
  .eyebrow { margin-bottom: 16px; font-size: 10px; }
  .intro h1 { font-size: clamp(48px, 14vw, 66px); }
  .intro-copy p { font-size: 16px; }
  .product-card, .card-inbound { min-height: 420px; padding: 24px 22px; }
  .product-card::after { left: 22px; right: 22px; }
  .card-body h2 { font-size: 42px; }
  .card-body h3 { font-size: 22px; }
  .manuals-section { padding: 78px 0 84px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .contact-copy h2 { font-size: 50px; }
  .manual-item { min-height: 132px; grid-template-columns: 34px 1fr auto; gap: 12px; padding: 16px 0; }
  .manual-item h3 { font-size: 18px; line-height: 1.5; }
  .manual-item button { display: none; }
  .manual-status { padding: 6px 8px; }
  .contact-section { padding-top: 80px; }
  .contact-shell { padding-bottom: 72px; }
  .contact-copy dl > div { grid-template-columns: 86px 1fr; }
  .qr-card { width: 100%; }
  .qr-frame { padding: 12px; }
  .qr-card figcaption { display: block; }
  .qr-card figcaption span { display: block; margin-top: 8px; }
  .site-footer { min-height: 100px; display: block; padding: 24px 0; }
  .site-footer span { display: block; line-height: 1.8; }
  .site-footer span + span { margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}