:root {
  --paper: #f3e5cd;
  --paper-light: #fff8eb;
  --paper-deep: #dfc9a7;
  --ink: #2f241d;
  --muted: #73645a;
  --cinnabar: #a4382e;
  --cinnabar-dark: #762d25;
  --gold: #9b6a32;
  --line: rgba(81, 57, 40, .24);
  --display-font: "Songti SC", "STSong", "SimSun", serif;
  --body-font: "PingFang SC", "Microsoft YaHei", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--paper); }
body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body-font);
}
button, input { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible { outline: 3px solid var(--cinnabar); outline-offset: 3px; }
[hidden] { display: none !important; }
.payment-resume-pending .app-shell { visibility: hidden; }

.wechat-gate { display: none; }
.wechat-required { overflow: hidden; }
.wechat-required body { overflow: hidden; }
.wechat-required .app-shell {
  pointer-events: none;
  user-select: none;
  filter: blur(5px);
  opacity: .18;
}
.wechat-required .wechat-gate {
  display: grid;
  place-items: center;
  position: fixed;
  z-index: 100;
  inset: 0;
  min-width: 320px;
  padding: 28px;
  background: rgba(47, 36, 29, .58);
  backdrop-filter: blur(3px);
}
.wechat-gate-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px;
  position: relative;
  width: min(520px, 100%);
  padding: 34px 36px 32px;
  border: 1px solid rgba(118, 45, 37, .34);
  border-left: 7px solid var(--cinnabar);
  background: var(--paper-light);
  box-shadow: 12px 12px 0 rgba(79, 54, 37, .22);
}
.wechat-gate-panel::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(155, 106, 50, .2);
  pointer-events: none;
}
.wechat-gate-seal {
  display: grid;
  place-items: center;
  align-self: start;
  width: 58px;
  height: 58px;
  border: 2px solid var(--cinnabar);
  color: var(--cinnabar);
  font-family: var(--display-font);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .12em;
  writing-mode: vertical-rl;
  transform: rotate(-3deg);
}
.wechat-gate-copy { position: relative; z-index: 1; min-width: 0; padding-top: 2px; }
.wechat-gate-copy p {
  margin: 0 0 8px;
  color: var(--cinnabar);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
}
.wechat-gate-copy h1 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(25px, 6vw, 36px);
  line-height: 1.25;
  letter-spacing: .06em;
}
.wechat-gate-copy span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .08em;
}

.paper-grain {
  position: fixed;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  opacity: .2;
  background-image: repeating-linear-gradient(0deg, rgba(75, 53, 39, .07) 0, rgba(75, 53, 39, .07) 1px, transparent 1px, transparent 5px);
  mix-blend-mode: multiply;
}

.app-shell {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; color: inherit; text-decoration: none; }
.brand-slogan {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  min-height: 45px;
  padding: 0;
  color: var(--cinnabar);
  font-family: var(--display-font);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .12em;
  white-space: nowrap;
}
.brand-slogan-dot {
  display: inline-block;
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
  background: var(--cinnabar);
  box-shadow: 0 0 0 4px rgba(164, 56, 46, .12);
}
.brand-seal {
  display: grid;
  place-items: center;
  position: relative;
  width: 45px;
  height: 45px;
  border: 2.5px solid var(--cinnabar);
  border-radius: 2px 3px 3px 2px;
  color: var(--cinnabar);
  font-family: var(--display-font);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .08em;
  writing-mode: vertical-rl;
  transform: rotate(-4deg);
  isolation: isolate;
  filter: url(#seal-ink);
  user-select: none;
}

.brand-seal::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  border-radius: inherit;
  background: var(--cinnabar);
  filter: url(#seal-texture);
  opacity: .35;
  pointer-events: none;
}

.brand-seal::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 3px;
  border: 1px solid var(--cinnabar);
  border-radius: 1px 2px 2px 1px;
  opacity: .45;
  pointer-events: none;
}
.device-state { display: none; }

.workspace {
  display: block;
  flex: 1;
  padding: 22px 0 26px;
}
.view { animation: page-enter .35s ease-out; }
.view.is-restored { animation: none; }
.home-view { display: flex; align-items: center; min-height: calc(100vh - 176px); }
.view-stack { min-width: 0; }

.poem-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px 34px;
  width: min(860px, 100%);
  margin: 0 auto;
  padding: 32px 36px 28px;
  border: 1px solid var(--line);
  border-left: 8px solid var(--cinnabar);
  background: rgba(255, 248, 235, .68);
  box-shadow: 10px 10px 0 var(--paper-deep);
}
.field-group { min-width: 0; margin: 0; padding: 0; border: 0; }
.field-group label, .field-group legend {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .08em;
}
.field-group label span, .field-group legend span {
  color: var(--cinnabar);
  font-family: var(--body-font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}
.name-input-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  border-bottom: 2px solid var(--ink);
}
.name-input-wrap input {
  min-width: 0;
  width: 100%;
  padding: 9px 0 11px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--display-font);
  font-size: 29px;
  font-weight: 700;
  letter-spacing: .13em;
}
.name-input-wrap input::placeholder { color: rgba(47, 36, 29, .42); letter-spacing: .08em; }
.name-input-wrap span { color: var(--muted); font-size: 12px; white-space: nowrap; }
.wish-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}
.wish-options button {
  min-height: 60px;
  padding: 7px 5px;
  border: 1px solid var(--line);
  background: transparent;
  font-family: var(--display-font);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: .18s;
}
.wish-options button small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--body-font);
  font-size: 11px;
  font-weight: 400;
}
.wish-options button:hover { border-color: var(--cinnabar); }
.wish-options button.is-selected {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
  color: var(--paper-light);
  box-shadow: inset 0 0 0 2px rgba(255, 248, 235, .5);
}
.wish-options button.is-selected small { color: rgba(255, 248, 235, .84); }

.primary-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 22px;
  border: 1px solid var(--cinnabar-dark);
  background: var(--cinnabar);
  color: var(--paper-light);
  cursor: pointer;
  transition: transform .18s, background .18s, box-shadow .18s;
}
.primary-button:hover:not(:disabled) {
  background: var(--cinnabar-dark);
  box-shadow: 0 8px 18px rgba(118, 45, 37, .2);
  transform: translateY(-2px);
}
.primary-button:disabled { cursor: wait; opacity: .66; }
.primary-button span { font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.primary-button span small {
  display: block;
  margin-bottom: 3px;
  color: rgba(255, 248, 235, .72);
  font-family: var(--body-font);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .12em;
}
.primary-button span b { font-weight: 700; }
.primary-button svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.generate-button { grid-column: 1 / -1; width: 100%; margin-top: 1px; }
.form-status {
  grid-column: 1 / -1;
  min-height: 19px;
  margin: -10px 0 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
.form-status.is-error, .selection-footer p.is-error { color: var(--cinnabar-dark); }

.section-heading {
  position: relative;
  padding: 16px 0 20px 24px;
  border-left: 7px solid var(--cinnabar);
  border-bottom: 1px solid var(--line);
}
.section-heading > p {
  margin: 0 0 7px;
  color: var(--cinnabar);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
}
.section-heading h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(31px, 5vw, 53px);
  font-weight: 700;
  letter-spacing: .08em;
}
.section-heading > span { display: block; margin-top: 10px; color: var(--muted); font-size: 14px; }

.poem-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding: 24px 0 10px;
}
.poem-choice {
  position: relative;
  min-height: 256px;
  padding: 60px 28px 38px;
  border: 2px solid var(--line);
  background: rgba(255, 248, 235, .56);
  text-align: center;
  cursor: pointer;
  transition: .18s;
}
.poem-choice::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid transparent;
  pointer-events: none;
}
.poem-choice:hover { border-color: var(--cinnabar); transform: translateY(-2px); }
.poem-choice.is-selected {
  border: 4px solid var(--cinnabar);
  background: var(--paper-light);
  box-shadow: 0 0 0 5px rgba(164, 56, 46, .18), 8px 8px 0 var(--paper-deep);
  transform: translateY(-2px);
}
.poem-choice.is-selected::before { border-color: rgba(164, 56, 46, .42); }
.selected-label {
  position: absolute;
  top: 18px;
  left: 50%;
  min-width: 132px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  transform: translateX(-50%);
}
.is-selected .selected-label {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
  color: var(--paper-light);
}
.poem-choice h3 {
  margin: 0 0 19px;
  font-family: var(--display-font);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: .12em;
}
.poem-choice .lines {
  font-family: var(--display-font);
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 700;
  line-height: 2.1;
  letter-spacing: .06em;
}
.poem-choice small {
  position: absolute;
  right: 20px;
  bottom: 16px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .06em;
}
.selection-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.payment-feedback {
  display: flex;
  flex: 1;
  align-items: flex-start;
  gap: 10px;
  min-height: 20px;
  margin: 0;
  color: var(--muted);
}
.payment-feedback.is-error,
.payment-feedback[data-kind="refunding"],
.payment-feedback[data-kind="refunded"],
.payment-feedback[data-kind="refund_attention"],
.payment-feedback[data-kind="expired"] { color: var(--cinnabar-dark); }
.payment-feedback-copy { min-width: 0; }
.payment-feedback-copy strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 14px;
}
.selection-status { min-height: 20px; margin: 0; color: inherit; font-size: 13px; line-height: 1.5; }
.payment-feedback.is-error .selection-status { color: var(--cinnabar-dark); }
.payment-feedback-copy small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; letter-spacing: .06em; }
.refresh-order-button {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--cinnabar);
  background: transparent;
  color: var(--cinnabar-dark);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.selection-footer .primary-button { width: min(360px, 100%); }

.complete-view {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(720px, 100%);
  min-height: calc(100dvh - 98px);
  margin: 0 auto;
  padding: 22px 20px 42px;
}
.complete-status {
  position: relative;
  z-index: 1;
  width: min(610px, 100%);
  margin: 0 auto;
  padding: 18px 24px 19px;
  border: 0;
  background: var(--cinnabar);
  box-shadow: 0 1px 0 var(--cinnabar-dark);
  text-align: left;
}
.complete-status > p {
  margin: 0 0 6px;
  color: rgba(255, 248, 235, .88);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
}
.complete-view h2 {
  margin: 0;
  font-family: var(--display-font);
  color: var(--paper-light);
  font-size: clamp(25px, 4.4vw, 38px);
  font-weight: 700;
  letter-spacing: .08em;
}
.complete-view h2:focus { outline: none; }
.complete-thanks {
  width: min(610px, 100%);
  margin: 48px auto 0;
  padding-top: 0;
  padding-right: 0;
  color: var(--ink);
  font-family: var(--display-font);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  letter-spacing: .1em;
  text-align: center;
}
.complete-thanks em {
  display: block;
  margin-top: 4px;
  color: var(--cinnabar);
  font-size: .5em;
  font-style: normal;
  letter-spacing: .16em;
}
.complete-order-summary {
  display: block;
  width: min(610px, 100%);
  margin: 30px auto 0;
  padding: 0;
  border: 0;
  background: transparent;
}
.complete-order-summary::before {
  content: "订单信息";
  display: block;
  padding: 0 0 11px;
  border-bottom: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
}
.complete-order-summary > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  min-width: 0;
  padding: 15px 0 13px;
  border-top: 1px solid var(--line);
  text-align: left;
}
.complete-order-summary > div:first-child { border-top: 0; }
.complete-order-summary > div:last-child { border-bottom: 1px solid var(--line); }
.complete-order-summary dt { color: var(--muted); font-size: 12px; letter-spacing: .12em; }
.complete-order-summary dd { margin: 0; color: var(--ink); font-family: var(--display-font); font-size: 17px; font-weight: 700; letter-spacing: .06em; text-align: right; }
.complete-order-summary > div:last-child dd { color: var(--cinnabar-dark); font-size: 18px; }

.site-footer {
  display: flex;
  justify-content: space-between;
  min-height: 50px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .06em;
}

@keyframes page-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 680px) {
  .wechat-required .wechat-gate { padding: 20px; }
  .wechat-gate-panel { gap: 17px; padding: 28px 24px 26px; box-shadow: 7px 7px 0 rgba(79, 54, 37, .22); }
  .wechat-gate-seal { width: 49px; height: 49px; font-size: 16px; }
  .app-shell { width: min(100% - 28px, 560px); }
  .site-header { min-height: 70px; }
  .workspace { flex: 1; padding: 14px 0 18px; }
  .home-view { min-height: calc(100vh - 154px); align-items: flex-start; }
  .poem-form {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 0;
    padding: 24px 21px 20px;
    box-shadow: 6px 6px 0 var(--paper-deep);
  }
  .generate-button { margin-top: -2px; }
  .form-status { margin-top: -8px; }
  .poem-options { grid-template-columns: 1fr; gap: 16px; padding-top: 18px; }
  .poem-choice { min-height: 186px; padding: 54px 18px 32px; }
  .selection-footer { align-items: stretch; flex-direction: column; gap: 10px; margin-top: 16px; }
  .payment-feedback { flex: none; justify-content: center; text-align: center; }
  .selection-footer .primary-button { width: 100%; }
  .complete-view { min-height: calc(100dvh - 82px); padding: 18px 2px 28px; }
  .complete-status { width: 100%; padding: 17px 18px 18px; }
  .complete-status > p { margin-bottom: 6px; font-size: 10px; }
  .complete-view h2 { font-size: clamp(24px, 7vw, 30px); }
  .complete-order-summary { margin-top: 27px; }
  .complete-order-summary::before { padding-bottom: 10px; font-size: 10px; }
  .complete-order-summary > div { gap: 12px; padding: 13px 0 12px; }
  .complete-order-summary dt { font-size: 11px; letter-spacing: .06em; }
  .complete-order-summary dd { font-size: 16px; }
  .complete-order-summary > div:last-child dd { font-size: 17px; }
  .complete-thanks { width: calc(100% - 2px); margin-top: 48px; padding-top: 0; padding-right: 0; }
}

@media (max-width: 420px) {
  .wechat-gate-panel { grid-template-columns: 1fr; gap: 20px; padding: 27px 22px 25px; }
  .wechat-gate-seal { width: 46px; height: 46px; }
  .app-shell { width: calc(100% - 22px); }
  .brand-seal { width: 42px; height: 42px; font-size: 15px; }
  .brand-slogan { gap: 7px; min-height: 42px; font-size: 18px; letter-spacing: .08em; }
  .brand-slogan-dot { flex-basis: 8px; width: 8px; height: 8px; }
  .poem-form { padding: 20px 16px 17px; border-left-width: 6px; gap: 17px; }
  .field-group label, .field-group legend { font-size: 16px; }
  .name-input-wrap { gap: 6px; margin-top: 8px; }
  .name-input-wrap input { padding: 6px 0 9px; font-size: 24px; letter-spacing: .08em; }
  .name-input-wrap span { font-size: 11px; }
  .wish-options { gap: 6px; margin-top: 9px; }
  .wish-options button { min-height: 51px; font-size: 15px; }
  .wish-options button small { margin-top: 3px; font-size: 10px; }
  .primary-button { min-height: 57px; padding: 0 17px; }
  .primary-button span { font-size: 16px; }
  .primary-button span small { font-size: 9px; }
  .section-heading { padding: 13px 0 16px 17px; border-left-width: 6px; }
  .section-heading > p { font-size: 12px; }
  .section-heading > span { font-size: 13px; }
  .poem-choice { min-height: 178px; padding: 51px 13px 30px; }
  .selected-label { top: 14px; min-width: 123px; padding: 5px 8px; font-size: 12px; }
  .poem-choice h3 { margin-bottom: 13px; font-size: 21px; }
  .poem-choice .lines { font-size: 18px; line-height: 1.95; }
  .poem-choice small { right: 13px; bottom: 12px; font-size: 11px; }
  .site-footer { font-size: 11px; }
}

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