* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--field);
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "Songti TC", serif;
  font-size: 17px;
  line-height: 1.75;
}
html[data-lang="en"] body { font-family: "Cormorant Garamond", Palatino, "Times New Roman", serif; }
button, input, select, textarea, .site-nav, .lang, .switch, .btn, .price, .tag, .fine, .filters, .pills, .hours, .nav-toggle {
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
}
a { color: inherit; }
button, input, select, textarea { color: inherit; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.4rem 0.7rem;
  z-index: 30;
}
.skip:focus { top: 0.6rem; }

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 74px;
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  flex-shrink: 0;
}
.mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  position: relative;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1;
}
.mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid var(--metal);
  pointer-events: none;
}
.nav-word { display: flex; flex-direction: column; line-height: 1.05; }
.nav-word b { font-weight: 600; letter-spacing: 0.18em; font-size: 1rem; }
.nav-word em {
  font-family: "Cormorant Garamond", Palatino, serif;
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.16em;
  font-size: 0.92rem;
  color: var(--muted);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: 0.6rem;
}
.site-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.25s;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { width: 100%; }
.nav-tools { margin-left: auto; display: flex; align-items: center; gap: 0.85rem; }
.lang, .switch { display: flex; align-items: center; gap: 0.15rem; }
.lang button, .switch button {
  border: 0;
  background: transparent;
  padding: 0.35rem 0.45rem;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--muted);
}
.lang button[aria-pressed="true"],
.switch button[aria-pressed="true"] {
  color: var(--ink);
  box-shadow: inset 0 -1px 0 var(--accent);
}
.pip {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.28rem;
  border: 1px solid var(--line);
  vertical-align: -1px;
}
.nav-toggle {
  display: none;
  margin-left: auto;
  height: 36px;
  padding: 0 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  letter-spacing: 0.12em;
  cursor: pointer;
}

.notice {
  max-width: 1180px;
  margin: 0.85rem auto 0;
  padding: 0.55rem 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.hero-home {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  min-height: calc(100vh - 74px);
  margin-top: 0.85rem;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3.4rem 4vw 3.4rem  max(1.5rem, calc((100vw - 1180px) / 2));
}
.hero-badge {
  align-self: flex-start;
  padding: 0.32rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  margin-bottom: 1.15rem;
}
.hero-slogan {
  margin: 0 0 0.45rem;
  color: var(--accent);
  letter-spacing: 0.28em;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 0.78rem;
}
.hero-copy h1 { margin: 0 0 0.8rem; }
.ask-line {
  display: inline-block;
  color: inherit;
  text-decoration: none;
  font-size: clamp(2.5rem, 5vw, 4.3rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.12;
}
.ask-dots { display: flex; gap: 0.45rem; margin: 0.2rem 0 1rem; }
.ask-dots button {
  width: 0.48rem;
  height: 0.48rem;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--ink);
  cursor: pointer;
}
.ask-dots button[aria-pressed="true"] { background: var(--accent); box-shadow: none; }
.hero-copy .lede {
  max-width: 34rem;
  margin: 0 0 1.2rem;
  color: var(--muted);
}
.hero-index {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
  max-width: 28rem;
  border-top: 1px solid var(--line);
  counter-reset: ask;
}
.hero-index li { counter-increment: ask; border-bottom: 1px solid var(--line); }
.hero-index a {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 0.68rem 0;
  text-decoration: none;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 0.98rem;
}
.hero-index a::before {
  content: counter(ask, decimal-leading-zero);
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  min-width: 1.6rem;
}
.hero-index a:hover { color: var(--accent); }
.hero-actions, .actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-visual {
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.4rem 1.6rem;
}
html[data-theme="plain"] .hero-visual {
  background:
    linear-gradient(165deg, rgba(114, 132, 122, 0.28), rgba(114, 132, 122, 0.08) 42%, var(--field));
}
html[data-theme="jade"] .hero-visual { background: #7a8c86; }
html[data-theme="clay"] .hero-visual { background: #a46f58; }

.slip {
  width: min(100%, 26rem);
  background: var(--paper);
  color: var(--ink);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.15rem 1.15rem 1.25rem;
}
.slip-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border: 0;
  background: transparent;
  padding: 0 0 0.7rem;
  cursor: pointer;
  letter-spacing: 0.14em;
  font-size: 0.92rem;
}
.slip-toggle [data-fold-label] { color: var(--muted); letter-spacing: 0.08em; font-size: 0.78rem; }
.field { display: grid; gap: 0.4rem; margin-top: 0.75rem; font-size: 0.82rem; letter-spacing: 0.08em; }
.pills, .hours { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pills input { position: absolute; width: 1px; height: 1px; margin: 0; opacity: 0; }
.pills label, .hours button {
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: 8px;
  padding: 0.38rem 0.65rem;
  cursor: pointer;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
.pills label.is-on,
.pills label:has(input:checked),
.hours button.is-on {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.hours { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.hours button { text-align: left; }
.hours small { display: block; color: var(--muted); font-size: 0.68rem; letter-spacing: 0; }
.hours button.is-on small { color: color-mix(in srgb, var(--paper) 75%, transparent); }
.slip-preview {
  margin: 0.85rem 0 0.9rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line);
  min-height: 2.6rem;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 0.92rem;
}
.slip .btn { width: 100%; }

.btn, button.btn, a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 46px;
  padding: 0.75rem 1.35rem;
  border-radius: 8px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
  cursor: pointer;
}
a.btn.paper, a.btn.btn-line, button.btn.quiet {
  background: transparent;
  color: var(--ink);
}
.hero-visual a.btn.paper,
.hero-copy a.btn.paper { background: transparent; }
a.btn:hover, button.btn:hover { filter: brightness(1.08); }

.trust-bar { background: var(--panel); color: var(--panel-text); }
.trust-grid, .section, .foot-inner, .page {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: 1.45rem;
  padding-bottom: 1.45rem;
}
.trust-item { text-align: center; }
.trust-item strong {
  display: block;
  font-size: 1.25rem;
  letter-spacing: 0.16em;
  color: var(--metal);
  font-weight: 600;
}
.trust-item span {
  display: block;
  margin-top: 0.2rem;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 0.82rem;
  opacity: 0.78;
}

.section { padding-top: 4.4rem; padding-bottom: 0.4rem; }
.section-kicker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin: 0 0 0.8rem;
  color: var(--accent);
  letter-spacing: 0.32em;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 0.75rem;
}
.section-kicker::before, .section-kicker::after {
  content: "";
  width: 42px;
  height: 1px;
  background: var(--accent);
}
.section h2, #stage > .block > h2, .page-title {
  margin: 0;
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.section h2, #stage > .block > h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.05rem);
}
.section .lede, #stage > .block > .lede, .section-note {
  text-align: center;
  color: var(--muted);
  max-width: 40rem;
  margin: 0.7rem auto 1.8rem;
}

.doors, .sku-grid, .line-grid, .steps, .rail {
  display: grid;
  gap: 0.85rem;
}
.doors, .rail { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.sku-grid, .line-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.door, .sku, .line-card, .rail a, .steps article, .read, .panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
  text-decoration: none;
}
.door, .sku, .line-card, .rail a {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 100%;
  padding: 1.15rem 1.1rem 1.2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.door:hover, .sku:hover, .line-card:hover, .rail a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.idx, .tag {
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  color: var(--accent);
  letter-spacing: 0.14em;
  font-size: 0.75rem;
}
.tag {
  align-self: flex-start;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
  color: var(--muted);
}
.door strong, .sku strong, .line-card strong, .rail strong {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.price {
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.door span, .sku span, .line-card span, .rail span { color: var(--muted); font-size: 0.92rem; }
.price, .sku .price, .line-card .price { color: var(--ink); font-size: 0.95rem; }

.path {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.path a {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  background: transparent;
  border-top: 1px solid var(--accent);
  padding: 0.8rem 0.2rem 0;
  min-height: 0;
  box-shadow: none;
  border-radius: 0;
}
.path em { font-style: normal; color: var(--muted); font-size: 0.78rem; }

.steps article { padding: 1.15rem 1.1rem 1.25rem; min-height: 9rem; }
.steps h3 { margin: 0.35rem 0 0; font-size: 1.15rem; letter-spacing: 0.08em; font-weight: 600; }
.steps p { margin: 0.45rem 0 0; color: var(--muted); }

.quote-band {
  margin-top: 4rem;
  background: var(--panel);
  color: var(--panel-text);
}
.quote-band blockquote {
  max-width: 18em;
  margin: 0 auto;
  padding: 3.2rem 1.5rem;
  text-align: center;
  font-size: clamp(1.45rem, 3vw, 2.05rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.45;
}

#stage { padding-bottom: 3rem; }
body:not([data-page="home"]) #stage {
  max-width: 860px;
  margin: 0 auto;
  padding: 3.2rem 1.5rem 4rem;
}
body[data-page="services"] #stage,
body[data-page="mingli"] #stage,
body[data-page="renju"] #stage,
body[data-page="fashi"] #stage { max-width: 1100px; }
.kicker {
  margin: 0 0 0.45rem;
  text-align: center;
  letter-spacing: 0.28em;
  color: var(--accent);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 0.75rem;
}
.page-title { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.page-title.compact { font-size: clamp(2rem, 4vw, 2.8rem); }
.lede { color: var(--muted); }
body:not([data-page="home"]) .lede { text-align: center; margin: 0.8rem auto 1.6rem; }
.block { margin-top: 2.2rem; }
.fine { color: var(--muted); font-size: 0.86rem; font-family: "Noto Sans SC", "PingFang SC", sans-serif; }

.about-grid {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
}
.portrait {
  min-height: 20rem;
  display: grid;
  place-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-align: center;
  padding: 1rem;
}
.stack { display: grid; gap: 0.75rem; }
.read, .panel { padding: 1.05rem 1.15rem 1.15rem; }
.read h2, .panel h2 { margin: 0; font-size: 1.15rem; letter-spacing: 0.12em; font-weight: 600; }
.read p, .panel p { margin: 0.55rem 0 0; color: var(--muted); }
.read details + details { border-top: 1px solid var(--line); }
.read summary { cursor: pointer; padding: 0.85rem 0; letter-spacing: 0.06em; }
.read details p { margin: 0 0 0.85rem; }

.filters { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; margin: 0.2rem 0 1rem; }
.filters button {
  border: 0;
  background: transparent;
  padding: 0.3rem 0;
  letter-spacing: 0.12em;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  color: var(--muted);
}
.filters button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--accent); }

.form { display: grid; gap: 0.85rem; max-width: 40rem; margin: 0 auto; }
.form .field span, label.field span { letter-spacing: 0.08em; font-size: 0.82rem; }
input[type="text"], input[type="email"], input[type="date"], select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font-size: 1rem;
}
textarea { min-height: 7rem; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent); border-color: var(--accent); }
.meta { display: grid; gap: 0.35rem; margin: 0.8rem 0 0; }
.meta div { display: grid; grid-template-columns: 6.5rem 1fr; gap: 0.6rem; }
.meta dt { letter-spacing: 0.08em; color: var(--muted); }

.foot {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 70%, var(--field));
}
.foot-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.4rem;
  padding-bottom: 1.5rem;
  flex-wrap: wrap;
}
.foot-links { display: flex; gap: 1rem; }
.foot-links a { text-decoration: none; letter-spacing: 0.08em; font-size: 0.88rem; color: var(--muted); }
.foot-links a:hover { color: var(--ink); }
.foot .fine { margin: 0; }

.en { font-family: "Cormorant Garamond", Palatino, serif; font-style: italic; letter-spacing: 0.14em; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .nav-inner { height: auto; min-height: 64px; flex-wrap: wrap; padding-top: 0.7rem; padding-bottom: 0.7rem; }
  .site-nav {
    display: none;
    order: 5;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    margin: 0;
    padding: 0.4rem 0 0.2rem;
  }
  .nav.is-open .site-nav { display: flex; }
  .hero-home, .doors, .rail, .trust-grid, .steps, .about-grid { grid-template-columns: 1fr 1fr; }
  .hero-home { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { padding: 2.4rem 1.25rem 1.6rem; }
  .path { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .doors, .rail, .sku-grid, .line-grid, .trust-grid, .steps, .about-grid, .path { grid-template-columns: 1fr; }
  .hours { grid-template-columns: 1fr 1fr; }
  .ask-line { font-size: 2.15rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}