:root {
  --background: #141518;
  --panel: #1e1f23;
  --gold: #d4ad58;
  --gold-soft: #a78646;
  --white: #f4f4f6;
  --muted: #a7a7ae;
  --line: rgba(212, 173, 88, .28);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-width: 320px; background: var(--background); }
body { min-height: 100vh; margin: 0; background: var(--background); color: var(--white); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }

.poster-page { padding: clamp(14px, 3.9vw, 42px); }
.poster-frame { width: min(1120px, 100%); min-height: calc(100vh - 84px); margin: 0 auto; padding: 0 clamp(22px, 4.3vw, 52px); border: 1px solid var(--gold-soft); }
.site-header { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 22px; border-bottom: 1px solid rgba(212, 173, 88, .14); }
.home-link { flex: 0 0 auto; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .06em; }
.home-link span { margin-left: 5px; }
.site-header nav { display: flex; align-items: center; gap: clamp(12px, 2vw, 24px); }
.site-header nav a { padding: 9px 0; color: #a8a7a5; font-size: 11px; font-weight: 700; white-space: nowrap; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--gold); }
.site-header nav a[aria-current="page"] { border-bottom: 1px solid var(--gold); }

.poster-heading { padding-top: clamp(44px, 5.5vw, 76px); text-align: center; }
.wordmark { width: fit-content; margin: 0 auto; color: var(--gold); font-family: "Arial Narrow", "DIN Alternate", Arial, sans-serif; font-size: clamp(19px, 2.7vw, 30px); font-weight: 500; letter-spacing: .055em; }
.wordmark-rule { width: min(310px, 64vw); height: 1px; margin: 8px auto 39px; background: var(--gold); }
.brand-emblem { display: block; width: clamp(78px, 8.5vw, 96px); height: clamp(78px, 8.5vw, 96px); margin: 0 auto; border: 5px solid #f4f2ee; border-radius: 13px; background: #fff; object-fit: contain; }
.brand-name { margin: 20px 0 0; color: var(--gold); font-size: 14px; font-weight: 750; letter-spacing: .26em; }
.poster-heading h1 { margin: 55px 0 0; color: var(--white); font-size: clamp(48px, 6.4vw, 76px); font-weight: 900; line-height: 1.16; letter-spacing: .035em; }
.poster-subtitle { margin: 14px 0 0; color: #b8b8bc; font-size: clamp(19px, 2.5vw, 29px); font-weight: 400; letter-spacing: .04em; }
.poster-subtitle span { padding: 0 11px; color: var(--gold); }

.tool-list { width: min(870px, 100%); margin: 46px auto 0; }
.tool-row { min-height: 102px; padding: 13px 7px; display: grid; grid-template-columns: 66px minmax(0, 1fr) 25px; align-items: center; gap: 28px; border-bottom: 1px solid transparent; border-radius: 10px; transition: background .16s, border-color .16s; }
.tool-row:hover { border-color: var(--line); background: rgba(212, 173, 88, .055); }
.tool-number { width: 64px; height: 64px; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 11px; color: var(--gold); font-family: Georgia, "Times New Roman", serif; font-size: 31px; font-weight: 700; line-height: 1; }
.tool-copy { min-width: 0; display: block; }
.tool-copy strong { display: block; color: var(--white); font-size: clamp(25px, 3vw, 35px); font-weight: 860; line-height: 1.22; letter-spacing: .025em; }
.tool-copy small { display: block; margin-top: 6px; color: var(--muted); font-size: clamp(14px, 1.7vw, 19px); font-weight: 400; line-height: 1.45; letter-spacing: .02em; }
.tool-arrow { color: var(--gold); font-size: 24px; opacity: .7; transition: transform .16s, opacity .16s; }
.tool-row:hover .tool-arrow { transform: translate(2px, -2px); opacity: 1; }

.scan-panel { width: min(810px, 100%); margin: 64px auto 0; padding: 41px clamp(24px, 5vw, 62px) 28px; border: 1px solid var(--gold); border-radius: 31px; background: var(--panel); text-align: center; }
.scan-panel h2 { margin: 0; color: var(--gold); font-size: clamp(25px, 3.2vw, 34px); font-weight: 800; letter-spacing: .035em; }
.scan-panel h2 span { padding: 0 6px; }
.qr-wrap { width: fit-content; margin: 18px auto 0; padding: 13px; border-radius: 20px; background: #f7f6f3; }
.qr-wrap img { display: block; width: min(320px, 55vw); height: auto; aspect-ratio: 1; image-rendering: pixelated; }
.scan-url { margin: 25px 0 0; color: #b2b2b8; font-family: Arial, sans-serif; font-size: clamp(14px, 1.8vw, 20px); letter-spacing: .02em; overflow-wrap: anywhere; }
.scan-note { margin: 9px 0 0; color: #85858c; font-size: 12px; line-height: 1.6; }
.account-strip { margin-top: 27px; padding: 17px 0 0; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 9px; border-top: 1px solid var(--line); color: #b6b5b7; font-size: 12px; }
.account-dot { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: var(--gold); }
.account-strip p { margin: 0; }
.account-strip a { color: var(--gold); font-weight: 800; }
.account-strip a:hover { text-decoration: underline; }
.record-link { width: min(810px, 100%); margin: 25px auto 0; display: flex; align-items: center; justify-content: space-between; gap: 18px; color: #898990; font-size: 12px; }
.record-link a { color: var(--gold); font-weight: 700; }
.record-link a:hover { text-decoration: underline; }

.poster-footer { padding: 53px 0 30px; text-align: center; }
.footer-rule { width: 230px; height: 1px; margin: 0 auto 27px; background: var(--gold); }
.poster-footer strong { display: block; color: var(--gold); font-size: clamp(17px, 2.5vw, 25px); font-weight: 850; letter-spacing: .12em; }
.poster-footer p { margin: 12px 0 0; color: #99989e; font-size: clamp(14px, 1.7vw, 18px); letter-spacing: .1em; }

@media (max-width: 760px) {
  .poster-frame { padding: 0 22px; }
  .site-header { padding: 13px 0 10px; align-items: flex-start; flex-direction: column; gap: 8px; }
  .site-header nav { width: 100%; overflow-x: auto; gap: 18px; }
  .poster-heading { padding-top: 41px; }
  .wordmark-rule { margin-bottom: 31px; }
  .poster-heading h1 { margin-top: 43px; }
  .tool-list { margin-top: 39px; }
  .tool-row { min-height: 88px; grid-template-columns: 57px minmax(0, 1fr) 18px; gap: 18px; }
  .tool-number { width: 55px; height: 55px; font-size: 26px; }
  .tool-copy strong { font-size: 24px; }
  .tool-copy small { font-size: 13px; }
  .tool-arrow { font-size: 18px; }
  .scan-panel { margin-top: 50px; padding: 31px 20px 24px; }
}

@media (max-width: 460px) {
  .poster-page { padding: 11px; }
  .poster-frame { min-height: calc(100vh - 22px); padding: 0 16px; }
  .home-link { font-size: 11px; }
  .site-header nav { gap: 14px; }
  .site-header nav a { font-size: 10px; }
  .brand-emblem { width: 76px; height: 76px; }
  .brand-name { font-size: 11px; letter-spacing: .18em; }
  .poster-heading h1 { margin-top: 38px; font-size: clamp(32px, 9vw, 40px); letter-spacing: 0; }
  .poster-subtitle { font-size: 16px; }
  .poster-subtitle span { padding: 0 5px; }
  .tool-list { margin-top: 31px; }
  .tool-row { min-height: 82px; padding: 10px 1px; grid-template-columns: 50px minmax(0, 1fr) 15px; gap: 12px; }
  .tool-number { width: 48px; height: 48px; border-radius: 9px; font-size: 23px; }
  .tool-copy strong { font-size: 19px; }
  .tool-copy small { margin-top: 5px; font-size: 11px; }
  .tool-arrow { font-size: 16px; }
  .scan-panel { border-radius: 23px; }
  .scan-panel h2 { font-size: 21px; }
  .qr-wrap img { width: min(230px, 55vw); }
  .record-link { align-items: flex-start; flex-direction: column; gap: 7px; }
  .poster-footer { padding-top: 45px; }
  .poster-footer strong { font-size: 16px; letter-spacing: .03em; }
}

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