:root {
  color-scheme: light;
  --paper: #f7f4ee;
  --ink: #1c1c1b;
  --muted: #756f68;
  --accent: #c95b35;
  --line: #ded6cc;
  --white: #fff;
  --dark: #22211f;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.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; }

.site-header {
  width: min(calc(100% - 48px), var(--max));
  height: 96px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 1.1rem; font-weight: 700; letter-spacing: .08em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--accent); color: #fff; border-radius: 4px; font-family: serif; letter-spacing: 0; }
nav { display: flex; gap: 38px; font-size: .92rem; color: var(--muted); }
nav a, .footer-links a { position: relative; }
nav a::after, .footer-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -5px; height: 1px; background: var(--accent); transition: right .25s ease; }
nav a:hover::after, nav a:focus-visible::after, .footer-links a:hover::after, .footer-links a:focus-visible::after { right: 0; }
.inline-link { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; }
.menu-button { display: none; }

main, footer { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.hero { min-height: 690px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 7vw; align-items: center; padding: 72px 0 84px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: .78rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; font-family: "Songti SC", "STSong", serif; font-size: clamp(3.5rem, 6.2vw, 5.8rem); font-weight: 600; line-height: 1.05; letter-spacing: -.055em; }
h1 em { color: var(--accent); font-style: normal; }
.hero-intro { max-width: 590px; margin: 34px 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.button { min-height: 52px; padding: 12px 24px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--ink); font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--ink); color: var(--white); }
.availability { color: var(--muted); font-size: .88rem; }

.editorial-art { position: relative; min-height: 535px; padding: 50px 38px 38px; background: #eee5d9; overflow: hidden; }
.editorial-art::before { content: ""; position: absolute; width: 260px; height: 260px; right: -125px; top: -125px; border: 1px solid rgba(201,91,53,.55); border-radius: 50%; }
.art-label { position: absolute; z-index: 2; top: 44px; right: 28px; color: var(--accent); writing-mode: vertical-rl; font-family: serif; font-size: .86rem; letter-spacing: .28em; line-height: 2; }
.art-grid { width: calc(100% - 46px); height: 100%; display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: 1.1fr .9fr; gap: 14px; transform: rotate(-2deg); }
.art-card { position: relative; min-height: 205px; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; color: #fff; overflow: hidden; }
.art-card::before, .art-card::after { content: ""; position: absolute; inset: 0; }
.art-card::after { background: linear-gradient(180deg, transparent 30%, rgba(20,18,16,.76)); }
.art-card span, .art-card strong { position: relative; z-index: 1; }
.art-card span { font-size: .72rem; letter-spacing: .15em; opacity: .82; }
.art-card strong { font-family: serif; font-size: 1.4rem; }
.card-collage { background: #879092; }
.card-collage::before { background: linear-gradient(145deg, #d7c3ad 0 34%, transparent 34% 39%, #8ea2a6 39% 66%, #484d48 66%); transform: scale(1.05); }
.card-frame { background: #393936; }
.card-frame::before { inset: 22px; border: 9px solid #d8c7a5; box-shadow: inset 0 0 0 12px #f4eee5; background: #62705e; }
.card-watermark { background: #b77753; }
.card-watermark::before { background: radial-gradient(circle at 62% 38%, #f1d7b0 0 7%, transparent 8%), linear-gradient(150deg, #816150 0 46%, #aeb8a8 47%); }
.card-ticket { background: #6b4e43; }
.card-ticket::before { inset: 22px 16px; border: 1px dashed rgba(255,255,255,.62); background: linear-gradient(90deg, rgba(255,255,255,.15) 0 68%, transparent 68%); }

.promise { margin: 0 -24px; padding: 66px 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: center; font-family: serif; font-size: clamp(1.55rem, 3vw, 2.5rem); line-height: 1.45; }
.promise p { margin: 0; }
.promise p + p { color: var(--muted); }

.features { padding: 128px 0; display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; }
.section-heading { position: sticky; top: 36px; align-self: start; }
h2 { margin: 0; font-family: "Songti SC", "STSong", serif; font-size: clamp(2.2rem, 4vw, 3.7rem); line-height: 1.25; font-weight: 600; letter-spacing: -.035em; }
.feature-list { border-top: 1px solid var(--ink); }
.feature-list article { display: grid; grid-template-columns: 66px 1fr; gap: 20px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.feature-number { color: var(--accent); font-size: .75rem; letter-spacing: .16em; }
.feature-list h3 { margin: -7px 0 8px; font-family: serif; font-size: 1.55rem; }
.feature-list p { margin: 0; color: var(--muted); }

.privacy { margin-inline: calc((min(100vw - 48px, var(--max)) - 100vw) / 2); padding: 112px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; background: var(--dark); color: #f8f4ed; }
.privacy-copy p:not(.eyebrow) { max-width: 560px; color: #c8c0b7; }
.text-link { display: inline-block; margin-top: 18px; color: #fff; border-bottom: 1px solid #756f68; font-weight: 700; }
.text-link span { color: var(--accent); }
.privacy-points { margin: 0; padding: 0; list-style: none; border-top: 1px solid #55514b; }
.privacy-points li { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 26px 0; border-bottom: 1px solid #55514b; }
.privacy-points span { color: #d68261; font-size: .75rem; }
.privacy-points p { margin: 0; color: #bbb4ac; }
.privacy-points strong { display: block; color: #fff; font-family: serif; font-size: 1.18rem; }

.about { padding: 128px 0; }
.about h2 { max-width: 850px; }
.about-meta { margin-top: 70px; display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; }
.about-meta > p { margin: 0; color: var(--muted); font-size: 1.05rem; }
dl { margin: 0; border-top: 1px solid var(--ink); }
dl div { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
dt { color: var(--muted); font-size: .88rem; }
dd { margin: 0; }

footer { padding: 38px 0 50px; display: grid; grid-template-columns: 1fr auto auto; gap: 44px; align-items: center; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.footer-links { display: flex; gap: 28px; }
.footer-brand { color: var(--ink); }

.header-back { color: var(--muted); font-size: .92rem; }
.contact-page { min-height: calc(100vh - 96px); padding: 96px 0 120px; }
.contact-intro { max-width: 760px; }
.contact-intro h1 { font-size: clamp(3.4rem, 7vw, 6rem); }
.contact-intro > p:last-child { max-width: 620px; margin: 28px 0 0; color: var(--muted); font-size: 1.08rem; }
.contact-list { margin-top: 82px; border-top: 1px solid var(--ink); }
.contact-card { min-height: 166px; padding: 32px 0; display: grid; grid-template-columns: 70px 1fr auto; gap: 26px; align-items: center; border-bottom: 1px solid var(--line); }
.contact-index { align-self: start; color: var(--accent); font-size: .75rem; letter-spacing: .16em; }
.contact-detail p { margin: 0 0 5px; color: var(--muted); font-size: .88rem; }
.contact-detail > a { font-family: "Songti SC", "STSong", serif; font-size: clamp(1.55rem, 3.6vw, 2.8rem); line-height: 1.25; word-break: break-word; }
.contact-actions { display: flex; gap: 10px; }
.contact-action, .copy-button { min-height: 44px; padding: 10px 16px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); background: transparent; color: var(--ink); font: inherit; font-size: .86rem; cursor: pointer; transition: border-color .2s ease, background .2s ease; }
.contact-action:hover, .copy-button:hover { border-color: var(--ink); background: var(--white); }
.contact-note { max-width: 760px; margin: 54px 0 0 96px; padding-left: 22px; border-left: 3px solid var(--accent); }
.contact-note strong { font-family: serif; font-size: 1.12rem; }
.contact-note p { margin: 5px 0 0; color: var(--muted); }
.copy-toast { position: fixed; z-index: 20; left: 50%; bottom: 28px; transform: translate(-50%, 18px); padding: 10px 18px; background: var(--dark); color: #fff; opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; font-size: .86rem; }
.copy-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.legal-page { width: min(calc(100% - 48px), 820px); margin: 0 auto; padding: 72px 0 110px; }
.legal-page .back-link { display: inline-flex; gap: 8px; margin-bottom: 48px; color: var(--muted); }
.legal-page h1 { font-size: clamp(2.4rem, 7vw, 4.3rem); }
.legal-meta { margin: 20px 0 54px; color: var(--muted); }
.legal-page section { margin-top: 42px; }
.legal-page h2 { margin-bottom: 16px; font-size: 1.48rem; font-family: inherit; letter-spacing: 0; }
.legal-page h3 { margin: 22px 0 8px; font-size: 1.05rem; }
.legal-page p, .legal-page li { color: #514d48; }
.legal-page ul { padding-left: 1.25em; }
.legal-note { padding: 18px 20px; border-left: 3px solid var(--accent); background: #eee8df; }

@media (max-width: 820px) {
  .site-header { height: 78px; }
  .menu-button { width: 48px; height: 48px; display: grid; place-content: center; gap: 7px; border: 0; background: transparent; cursor: pointer; }
  .menu-button span:not(.sr-only) { width: 24px; height: 1px; background: var(--ink); }
  nav { position: absolute; z-index: 10; top: 78px; left: 24px; right: 24px; padding: 24px; display: none; flex-direction: column; gap: 22px; background: var(--dark); color: #fff; }
  nav.is-open { display: flex; }
  .hero { grid-template-columns: 1fr; gap: 60px; padding-top: 64px; }
  .editorial-art { min-height: 500px; }
  .features, .privacy, .about-meta { grid-template-columns: 1fr; }
  .section-heading { position: static; }
  .privacy { gap: 64px; }
  footer { grid-template-columns: 1fr; gap: 22px; }
  .contact-page { padding-top: 72px; }
  .contact-card { grid-template-columns: 46px 1fr; }
  .contact-actions { grid-column: 2; }
  .contact-note { margin-left: 72px; }
}

@media (max-width: 520px) {
  .site-header, main, footer { width: min(calc(100% - 36px), var(--max)); }
  h1 { font-size: clamp(3rem, 15vw, 4.2rem); }
  .hero { min-height: auto; padding: 52px 0 70px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
  .editorial-art { min-height: 440px; padding: 42px 24px 24px; }
  .art-grid { width: calc(100% - 34px); gap: 10px; }
  .art-card { min-height: 172px; padding: 15px; }
  .art-card strong { font-size: 1.08rem; }
  .promise { font-size: 1.45rem; }
  .features, .about { padding: 88px 0; }
  .privacy { margin-inline: -18px; padding: 84px 18px; }
  .feature-list article { grid-template-columns: 44px 1fr; }
  dl div { grid-template-columns: 88px 1fr; }
  .contact-card { grid-template-columns: 1fr; gap: 16px; }
  .contact-index { grid-column: 1; }
  .contact-actions { grid-column: 1; flex-wrap: wrap; }
  .contact-note { margin-left: 0; }
}

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