/* ============================================================
   万企荟（云栖） · 兑换页
   事务型页面：单列居中、一个输入、一个按钮。
   复用 styles.css 的色板与按钮体系，只加本页布局。
   ============================================================ */

.redeem-body {
  background:
    radial-gradient(120% 70% at 50% -8%, rgba(201, 198, 174, 0.10), transparent 58%),
    linear-gradient(180deg, #0D0F0A 0%, var(--bg) 44%, #080A07 100%);
  min-height: 100vh;
  min-height: 100svh;
}

.redeem {
  max-width: 560px;
  margin-inline: auto;
  padding: clamp(4rem, 12vh, 7rem) 1.5rem 3rem;
}

.redeem-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(3rem, 9vh, 5rem);
}
.redeem-brand { display: flex; align-items: center; gap: 0.75rem; }
.redeem-head .eyebrow {
  text-align: right;
  color: var(--ink-3);
}

.redeem-title {
  font-size: clamp(2rem, 6.5vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -0.028em;
}
.redeem-sub {
  font-size: 1.0625rem;
  color: var(--ink-2);
  max-width: 26em;
  margin-top: 1rem;
}

/* ---------- 兑换区 ---------- */

.redeem-form { margin-top: 2.5rem; }

.redeem-field-label {
  display: block;
  font-size: 0.9375rem;
  color: var(--ink-2);
  margin: 1.5rem 0 0.5rem;
  letter-spacing: 0.01em;
}
.redeem-field-label:first-child { margin-top: 0; }
.redeem-field-label .req { color: var(--gold-hi); }

.redeem-inputwrap-name .redeem-input {
  text-transform: none;
  letter-spacing: 0.01em;
  font-family: var(--font-body, -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.75rem 1.25rem;
}
.redeem-inputwrap-name .redeem-input::placeholder {
  font-weight: 400;
  letter-spacing: 0.01em;
}

.redeem-inputwrap {
  position: relative;
  display: flex;
  align-items: center;
}
.redeem-input {
  width: 100%;
  padding: 1rem 4.5rem 1rem 1.25rem;
  border-radius: var(--r-md);
  border: 1px solid var(--hair-strong);
  background: rgba(244, 245, 239, 0.05);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
  transition: border-color 220ms ease, background-color 220ms ease;
  -webkit-appearance: none;
  appearance: none;
}
.redeem-input::placeholder {
  color: var(--ink-3);
  font-weight: 500;
  letter-spacing: 0.14em;
}
.redeem-input:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(244, 245, 239, 0.08);
}
.redeem-count {
  position: absolute;
  right: 1.25rem;
  font-size: 0.9375rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  pointer-events: none;
}

.redeem-submit { margin-top: 1rem; }
.redeem-submit:disabled {
  opacity: 0.55;
  cursor: progress;
}

.redeem-msg {
  margin-top: 0.75rem;
  min-height: 1.4rem;
  font-size: 0.9375rem;
  color: var(--accent);
}
.redeem-msg.ok { color: var(--gold); }
.redeem-msg:empty { margin-top: 0; }

/* ---------- 兑换结果 ---------- */

.redeem-result {
  margin-top: 2.5rem;
  padding: 2rem 1.75rem;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(201, 198, 174, 0.12), rgba(201, 198, 174, 0.03) 60%, rgba(244, 245, 239, 0.01));
  border: 1px solid rgba(201, 198, 174, 0.4);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset;
}
.redeem-result[hidden] { display: none; }

.result-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 980px;
  background: linear-gradient(180deg, var(--gold-hi), var(--gold));
  color: #171A12;
}
.redeem-result-title {
  margin-top: 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.redeem-result-desc {
  margin-top: 0.5rem;
  color: var(--ink-2);
  font-size: 1.0625rem;
  line-height: 1.5;
}

.redeem-deliver {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 0.75rem;
}
.redeem-deliver li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-size: 1.0625rem;
  color: var(--ink);
}
.redeem-deliver li span {
  flex: 1;
}
.redeem-deliver a {
  color: var(--gold-hi);
  font-weight: 600;
}
.redeem-deliver a:hover { text-decoration: underline; }

.redeem-manual {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: var(--r-md);
  background: rgba(244, 245, 239, 0.05);
  border: 1px solid var(--hair);
  color: var(--ink-2);
  font-size: 0.9375rem;
  line-height: 1.55;
}

/* ---------- 说明 ---------- */

.redeem-facts {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--hair);
}
.redeem-facts-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--gold);
}
.fact {
  margin-top: 1.5rem;
  padding-left: 1.25rem;
  border-left: 2px solid var(--hair-strong);
}
.fact h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.fact p {
  margin-top: 0.5rem;
  color: var(--ink-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ---------- 页脚 ---------- */

.redeem-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hair);
  color: var(--ink-3);
  font-size: 0.9375rem;
}
.redeem-foot a { color: var(--ink-2); }
.redeem-foot a:hover { color: var(--ink); }

/* ---------- 无障碍 ---------- */

.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;
}

@media (prefers-reduced-motion: reduce) {
  .redeem-input { transition: border-color 160ms ease; }
}

/* ---------- 兑换结果折叠展开动画 ---------- */
.redeem-result.is-open {
  animation: sheet-clip-in 1040ms var(--ease-back);
}
@keyframes sheet-clip-in {
  from { clip-path: inset(50% 0 50% 0); }
  to   { clip-path: inset(0 0 0 0); }
}