:root {
  color-scheme: light;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  color: #252621;
  background: #f6f5f2;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --muted: #898a82;
  --line: #e9e8e2;
  --accent: #c7613d;
  --accent-dark: #ad4d2e;
  --card: #fff;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(ellipse at 50% 20%, rgba(255, 255, 255, 0.9), transparent 56%),
    #f6f5f2;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

.page-shell {
  width: min(100% - 48px, 1120px);
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(37, 38, 33, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: #292a25;
  color: #f9f8f4;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.brand-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.brand-dot {
  color: var(--accent);
}

.help-link {
  color: #66675f;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
}

.help-link span {
  margin-left: 4px;
  color: var(--accent);
}

main {
  flex: 1;
  padding: 67px 0 40px;
}

.intro {
  max-width: 520px;
  margin: 0 auto 34px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #6d6e66;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(199, 97, 61, 0.1);
}

h1 {
  margin: 17px 0 11px;
  font-size: clamp(36px, 5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 1.22;
}

h1 span {
  color: var(--accent);
}

.intro > p {
  margin: 0;
  color: #777870;
  font-size: 13px;
  line-height: 1.8;
}

.redeem-card {
  width: min(100%, 496px);
  margin: 0 auto;
  padding: 30px 34px 0;
  overflow: hidden;
  border: 1px solid rgba(52, 52, 45, 0.075);
  border-radius: 18px;
  background: var(--card);
  box-shadow: 0 18px 60px rgba(46, 43, 35, 0.07), 0 2px 6px rgba(46, 43, 35, 0.025);
}

.card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
}

.step-kicker,
.progress-kicker {
  color: #a3a39c;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.card-heading h2 {
  margin: 7px 0 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.secure-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 9px;
  border-radius: 20px;
  background: #f4f6f1;
  color: #64745d;
  font-size: 10px;
  font-weight: 600;
}

.secure-badge svg,
.input-icon svg,
.visibility-button svg,
.account-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.secure-badge svg {
  width: 14px;
  height: 14px;
}

.field-group {
  margin-bottom: 21px;
}

.verified-code {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  padding: 11px 12px;
  border: 1px solid #e4ebdf;
  border-radius: 9px;
  background: #f7faf5;
}

.verified-check {
  width: 25px;
  height: 25px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: #e8f0e2;
  color: #607753;
  font-size: 13px;
}

.verified-code > div {
  min-width: 0;
  flex: 1;
}

.verified-code strong {
  display: block;
  color: #526449;
  font-size: 11px;
  font-weight: 600;
}

.verified-code p {
  margin: 4px 0 0;
  color: #858b7e;
  font-size: 9px;
  line-height: 1.5;
}

.change-code-button {
  padding: 5px 7px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: #777a70;
  font-size: 10px;
  cursor: pointer;
}

.change-code-button:hover {
  background: #edf2e9;
  color: #4f6445;
}

.field-group label,
.label-row label {
  display: block;
  margin-bottom: 9px;
  color: #3b3c36;
  font-size: 12px;
  font-weight: 600;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.help-button {
  margin-bottom: 9px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
}

.help-button:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  border: 1px solid #e8e8e2;
  border-radius: 9px;
  background: #fcfcfa;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.input-wrap:focus-within {
  border-color: rgba(199, 97, 61, 0.65);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(199, 97, 61, 0.09);
}

.input-icon {
  position: absolute;
  top: 13px;
  left: 13px;
  color: #a0a097;
  pointer-events: none;
}

.ticket-icon {
  top: 11px;
  font-size: 17px;
}

.input-wrap input,
.input-wrap textarea {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: #34352f;
  font-size: 12px;
}

.input-wrap input {
  height: 43px;
  padding: 0 12px 0 40px;
}

.input-wrap input::placeholder,
.input-wrap textarea::placeholder {
  color: #b1b1aa;
}

.session-wrap {
  align-items: flex-start;
}

.session-wrap .input-icon {
  top: 12px;
}

.input-wrap textarea {
  min-height: 102px;
  padding: 13px 40px 13px 40px;
  resize: vertical;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.session-input {
  -webkit-text-security: disc;
}

.session-input.is-visible {
  -webkit-text-security: none;
}

.visibility-button {
  position: absolute;
  top: 9px;
  right: 9px;
  display: grid;
  width: 29px;
  height: 29px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #9c9c93;
  cursor: pointer;
}

.visibility-button:hover {
  background: #f1f0eb;
  color: #585950;
}

.field-hint {
  margin: 7px 0 0;
  color: #a0a097;
  font-size: 10px;
  line-height: 1.55;
}

.privacy-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 1px 0 17px;
  padding: 10px 11px;
  border-radius: 7px;
  background: #f7f7f3;
  color: #777870;
}

.privacy-icon {
  color: #85867d;
  font-size: 12px;
  line-height: 1.2;
}

.privacy-note p {
  margin: 0;
  font-size: 10px;
  line-height: 1.5;
}

.primary-button,
.secondary-button {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 150ms ease, background 150ms ease, opacity 150ms ease;
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--accent-dark);
}

.primary-button:active:not(:disabled) {
  transform: translateY(0);
}

.primary-button:disabled,
.secondary-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.button-arrow {
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
}

.card-footer {
  margin: 24px -34px 0;
  padding: 14px 12px;
  border-top: 1px solid #f0efeb;
  color: #a2a29a;
  font-size: 9px;
  text-align: center;
}

.footer-lock {
  margin-right: 5px;
  color: #8c9a83;
  font-size: 8px;
}

.form-error {
  margin: 13px 0 0;
  padding: 10px 12px;
  border: 1px solid #f1d8d0;
  border-radius: 7px;
  background: #fff8f5;
  color: #a9472b;
  font-size: 11px;
  line-height: 1.55;
}

.section-divider {
  height: 1px;
  margin: 25px 0 19px;
  background: var(--line);
}

.account-row {
  display: flex;
  align-items: center;
  gap: 11px;
}

.account-icon {
  width: 37px;
  height: 37px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 10px;
  background: #f5f2ed;
  color: #7d786d;
}

.account-icon svg {
  width: 20px;
  height: 20px;
}

.account-copy {
  min-width: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 4px;
}

.detail-label {
  display: block;
  color: #999991;
  font-size: 9px;
}

.account-copy strong,
.order-details strong,
.progress-meta strong {
  color: #393a34;
  font-size: 11px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.ready-tag {
  padding: 6px 9px;
  border-radius: 20px;
  background: #f1f5ee;
  color: #677b5d;
  font-size: 9px;
  font-weight: 600;
}

.order-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 17px 12px;
  margin: 20px 0 17px;
  padding: 15px;
  border: 1px solid #efeee9;
  border-radius: 9px;
  background: #fdfdfa;
}

.order-details > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.confirm-warning {
  margin: 0 0 15px;
  color: #85857d;
  font-size: 10px;
  line-height: 1.65;
}

.text-button {
  display: block;
  margin: 12px auto 0;
  padding: 5px 8px;
  border: 0;
  background: transparent;
  color: #82827a;
  font-size: 10px;
  cursor: pointer;
}

.text-button:hover {
  color: var(--accent);
}

.help-dialog {
  width: min(100% - 32px, 430px);
  max-width: 430px;
  padding: 25px 26px 21px;
  border: 1px solid rgba(52, 52, 45, 0.1);
  border-radius: 16px;
  background: #fff;
  color: #252621;
  box-shadow: 0 24px 80px rgba(35, 33, 27, 0.2);
}

.help-dialog::backdrop {
  background: rgba(31, 31, 27, 0.42);
  backdrop-filter: blur(3px);
}

.help-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.help-dialog-header h2 {
  margin: 7px 0 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.dialog-close {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 7px;
  background: #f5f4f0;
  color: #777870;
  font-size: 21px;
  line-height: 1;
  cursor: pointer;
}

.dialog-close:hover {
  background: #eeede7;
  color: #34352f;
}

.help-steps {
  display: grid;
  gap: 20px;
  margin: 24px 0 19px;
  padding: 0;
  list-style: none;
}

.help-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.help-step-number {
  width: 25px;
  height: 25px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: #f8eee9;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.help-steps li > div {
  min-width: 0;
}

.help-steps strong {
  display: block;
  margin: 2px 0 5px;
  color: #393a34;
  font-size: 12px;
  font-weight: 600;
}

.help-steps p {
  margin: 0 0 8px;
  color: #818179;
  font-size: 10px;
  line-height: 1.7;
}

.help-steps a {
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  text-decoration: none;
}

.help-steps a:hover {
  text-decoration: underline;
}

.help-dialog-note {
  margin: 0;
  padding: 10px 11px;
  border-radius: 7px;
  background: #f7f7f3;
  color: #777870;
  font-size: 9px;
  line-height: 1.65;
}

.progress-panel {
  padding: 10px 0 23px;
  text-align: center;
}

.progress-visual {
  position: relative;
  width: 78px;
  height: 78px;
  display: grid;
  margin: 5px auto 18px;
  place-items: center;
}

.progress-orbit {
  position: absolute;
  inset: 3px;
  border: 1px solid #eadbd4;
  border-radius: 50%;
  animation: orbit 7s linear infinite;
}

.progress-orbit::before {
  position: absolute;
  top: -4px;
  left: 33px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.progress-core {
  width: 53px;
  height: 53px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #f8f1ed;
  color: var(--accent);
  font-size: 19px;
  font-weight: 700;
}

@keyframes orbit {
  to {
    transform: rotate(360deg);
  }
}

.progress-kicker {
  color: #a1a198;
}

.progress-panel h3 {
  margin: 7px 0 6px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.progress-panel > p {
  max-width: 340px;
  margin: 0 auto;
  color: #818179;
  font-size: 11px;
  line-height: 1.7;
}

.progress-panel.is-success .progress-core {
  background: #eff5ed;
  color: #5b7a50;
}

.progress-panel.is-success .progress-orbit {
  border-color: #d7e5d1;
  animation: none;
}

.progress-panel.is-success .progress-orbit::before {
  display: none;
}

.progress-panel.is-failure .progress-core {
  background: #fff0eb;
  color: #a9472b;
}

.progress-panel.is-failure .progress-orbit {
  border-color: #f0d7ce;
  animation: none;
}

.progress-panel.is-failure .progress-orbit::before {
  display: none;
}

.progress-meta {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 8px 12px;
  margin: 19px 0 18px;
  padding: 13px;
  border-radius: 8px;
  background: #f8f7f3;
  text-align: left;
}

.progress-meta span {
  color: #999991;
  font-size: 10px;
}

.progress-meta strong {
  text-align: right;
}

.secondary-button {
  min-height: 42px;
  margin-top: 18px;
  border: 1px solid #e9e7e0;
  background: white;
  color: #52534c;
  font-size: 11px;
}

.secondary-button:hover:not(:disabled) {
  background: #f8f7f3;
}

.secondary-button span {
  color: var(--accent);
  font-size: 17px;
}

.trust-row {
  width: min(100%, 440px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 26px auto 0;
  color: #92928a;
  font-size: 9px;
}

.trust-row > div {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.trust-number {
  color: #b7b7af;
  font-size: 8px;
  font-weight: 700;
}

.trust-line {
  width: 27px;
  height: 1px;
  background: #deddd6;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 18px 0 20px;
  border-top: 1px solid rgba(37, 38, 33, 0.08);
  color: #a4a49d;
  font-size: 9px;
  letter-spacing: 0.06em;
}

.site-footer a {
  color: #777870;
  text-decoration: none;
}

.site-footer a:hover,
.help-link:hover {
  color: var(--accent);
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid rgba(199, 97, 61, 0.7);
  outline-offset: 3px;
}

@media (max-width: 600px) {
  .page-shell {
    width: min(100% - 32px, 440px);
  }

  .topbar {
    height: 68px;
  }

  main {
    padding: 50px 0 30px;
  }

  .intro {
    margin-bottom: 25px;
  }

  h1 {
    font-size: 39px;
  }

  .intro > p {
    max-width: 310px;
    margin: 0 auto;
    font-size: 12px;
  }

  .redeem-card {
    padding: 25px 22px 0;
    border-radius: 15px;
  }

  .card-footer {
    margin-right: -22px;
    margin-left: -22px;
  }

  .trust-row {
    gap: 8px;
    font-size: 8px;
  }

  .trust-line {
    width: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}