:root {
  color-scheme: light;
  --paper: #f8f2e9;
  --ink: #271b1b;
  --wine: #672536;
  --muted: #67544f;
  --line: #d9c9be;
  --serif: "Songti SC", "Noto Serif CJK SC", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.7 var(--sans); }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
:focus-visible { outline: 2px solid #a7485a; outline-offset: 4px; }
[id] { scroll-margin-top: 22px; }
.wrap { width: min(1220px, calc(100% - 100px)); margin-inline: auto; }
.skip { position: fixed; inset: 8px auto auto 8px; z-index: 1; transform: translateY(-200%); background: white; padding: 10px 16px; }
.skip:focus { transform: none; }

.masthead { display: flex; min-height: 86px; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; line-height: 1.3; }
.brand-mark { display: grid; width: 39px; aspect-ratio: 1; place-items: center; border-radius: 50%; background: var(--wine); color: #fff8ef; font-size: 1.35rem; }
.brand strong { display: block; font: 700 1.25rem/1.3 var(--serif); letter-spacing: .07em; }
.brand small, .english { color: var(--wine); font: 600 .76rem/1.4 "Georgia", serif; letter-spacing: .06em; }
.masthead nav { display: flex; gap: clamp(16px, 3vw, 42px); color: var(--muted); font-size: .92rem; }
.masthead nav a { display: grid; place-items: center; min-height: 44px; white-space: nowrap; }
.masthead nav a:hover, .footer a:hover { color: var(--wine); text-decoration: underline; text-underline-offset: 4px; }

.hero { display: grid; grid-template-columns: 43% 57%; min-height: 510px; margin-top: 25px; background: #efe0d5; }
.hero-copy { display: flex; align-items: start; flex-direction: column; justify-content: center; padding: 48px clamp(28px, 4.4vw, 68px); }
.eyebrow { display: flex; align-items: center; gap: 11px; color: var(--wine); font-size: .83rem; font-weight: 700; letter-spacing: .12em; }
.eyebrow span { width: 23px; height: 1px; background: currentColor; }
h1, h2, h3 { font-family: var(--serif); }
h1 { margin-block: 21px 23px; color: var(--wine); font-size: clamp(3.15rem, 5.6vw, 5.45rem); line-height: 1.13; letter-spacing: -.06em; }
.intro { max-width: 24em; color: var(--muted); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.button { display: inline-flex; min-height: 46px; gap: 16px; align-items: center; justify-content: center; padding: 9px 16px; border: 1px solid var(--wine); font-size: .88rem; font-weight: 700; transition: background-color 150ms ease, color 150ms ease; }
.primary { background: var(--wine); color: #fff8ef; }
.primary:hover { background: #481727; }
.secondary { color: var(--wine); }
.secondary:hover { background: #e3c9c7; }
.hero-photo { position: relative; min-height: 100%; overflow: hidden; background: #cd9b8c; }
.hero-photo img { position: absolute; height: 100%; object-fit: cover; object-position: 49% center; }
.hero-photo figcaption { position: absolute; inset: auto 12px 12px auto; background: var(--paper); color: var(--muted); padding: 3px 9px; font-size: .72rem; }

.section { margin-top: clamp(50px, 7vw, 86px); }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 6px 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
h2 { font-size: clamp(1.85rem, 3.2vw, 2.6rem); line-height: 1.3; }
.section-heading p { color: var(--muted); font-size: .9rem; }
.category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.category { display: grid; grid-template-columns: 57% 43%; min-height: 275px; background: #eededb; }
.category.skincare { background: #ede2d2; }
.category-copy { padding: 29px clamp(18px, 2.8vw, 36px) 23px; }
.category img { height: 100%; min-height: 0; object-fit: cover; background: #e6cbc0; }
.category h3 { margin-top: 7px; font-size: clamp(1.75rem, 3vw, 2.35rem); line-height: 1.25; }
.category-copy > p:not(.english) { color: var(--muted); margin-top: 11px; font-size: .94rem; }
.text-link { display: inline-flex; align-items: center; flex-wrap: wrap; column-gap: 8px; min-height: 44px; margin-top: 9px; color: var(--wine); text-decoration: underline; text-underline-offset: 4px; font-size: .86rem; font-weight: 700; }
.text-link:hover { color: #451421; }

.notes .section-heading { margin-bottom: 0; }
.notes details { border-bottom: 1px solid var(--line); }
.notes summary { display: grid; grid-template-columns: 92px 1fr 24px; gap: 14px; align-items: center; min-height: 64px; padding: 12px 8px; cursor: pointer; font-size: 1.02rem; font-weight: 650; list-style: none; }
.notes summary::-webkit-details-marker { display: none; }
.notes summary:hover { background: #f0e3da; }
.notes details > p { color: var(--muted); max-width: 54rem; padding: 0 36px 22px 114px; }
.topic { color: var(--wine); font-size: .81rem; }
.expand { color: var(--wine); font-size: 1.25rem; text-align: center; }
.expand::before { content: "+"; }
details[open] .expand::before { content: "−"; }

.method { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 6vw, 85px); margin-block: clamp(50px, 7vw, 86px); padding: clamp(24px, 5vw, 62px); background: #eee1d7; }
.method h2 { margin-block: 7px 13px; }
.method p:not(.english), .method dd { color: var(--muted); }
.method dl > div { padding: 10px 0; border-top: 1px solid #d4bfb3; }
.method dt { color: var(--wine); font-weight: 700; }
.method dd { font-size: .88rem; }
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0 20px; min-height: 78px; border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; }
.footer span[lang] { padding-left: 6px; }
.footer a { display: inline-grid; align-items: center; min-height: 44px; white-space: nowrap; }

@media (max-width: 940px) {
  .wrap { width: calc(100% - 48px); }
  .hero { grid-template-columns: 46% 54%; min-height: 438px; }
  h1 { font-size: clamp(2.7rem, 6vw, 4.25rem); }
  .category-grid { gap: 14px; }
  .category { grid-template-columns: 62% 38%; }
}

@media (max-width: 680px) {
  .wrap { width: calc(100% - 32px); }
  .masthead { align-items: stretch; flex-direction: column; gap: 5px; padding-top: 14px; }
  .brand { align-self: start; }
  .masthead nav { justify-content: space-between; gap: 10px; }
  .hero, .category-grid, .method { grid-template-columns: 1fr; }
  .hero { margin-top: 14px; }
  .hero-copy { padding: 30px 23px 28px; }
  h1 { margin-block: 15px; font-size: clamp(2.65rem, 10vw, 4rem); }
  .hero-actions { margin-top: 22px; }
  .hero-photo { aspect-ratio: 1.38; }
  .category { min-height: 218px; }
  .notes summary { grid-template-columns: 53px 1fr 16px; gap: 9px; padding-inline: 3px; font-size: .95rem; }
  .notes details > p { padding: 0 6px 18px 3px; }
  .footer { padding-block: 10px; }
}

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