/* ==========================================================================
   晏宁科技 · 收银台落地页（后端内嵌 /checkout/）专用样式
   自包含：design tokens + 基础布局（后端托管，无 mian/style.css 依赖）；
   仅本页组件与排版在此定义，不覆盖基础样式。
   响应式断点：1024 / 768 / 480
   ========================================================================== */

/* ------------------------------- 设计令牌（来自 mian/style.css :root） ------------------------------- */
:root {
  --brand-50:  #F4F7F8;
  --brand-100: #E6EDEF;
  --brand-200: #CBD8DC;
  --brand-300: #A9BDC3;
  --brand-400: #84979E;
  --brand-500: #647880;
  --brand-600: #55676E;
  --brand-700: #4C5B61;
  --brand-800: #3A474D;
  --brand-900: #263134;

  --ink-1: #111A1D;
  --ink-2: #3D4A4F;
  --ink-3: #5F6D72;
  --line: #E4E9EB;
  --line-strong: #CBD5D9;
  --bg: #FFFFFF;
  --bg-soft: #F7F9FA;

  --success: #3E9C7A;
  --warning: #C9943A;
  --danger: #B4544A;
  --danger-bg: #FBEFEE;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(17, 26, 29, .06);
  --shadow: 0 4px 12px rgba(17, 26, 29, .06);
  --shadow-md: 0 10px 28px rgba(17, 26, 29, .09);
  --shadow-lg: 0 24px 60px rgba(17, 26, 29, .12);

  --container: 1120px;
  --gutter: 24px;
  --header-h: 72px;
  --section-py: 96px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur-fast: 160ms;
  --dur: 240ms;
  --dur-slow: 480ms;
}

/* ------------------------------- 基础布局（自包含，替代 mian/style.css） ------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3 { margin: 0; color: var(--ink-1); line-height: 1.25; font-weight: 600; }
p { margin: 0; }
ul, dl, dd { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-700); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover { color: var(--brand-900); }
:focus-visible { outline: 2px solid var(--brand-700); outline-offset: 2px; border-radius: var(--radius-sm); }
::selection { background: var(--brand-200); color: var(--ink-1); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }

.skip-link {
  position: absolute; inset-inline-start: var(--gutter); top: -100px; z-index: 100;
  padding: 10px 16px; background: var(--brand-700); color: #fff;
  border-radius: var(--radius); transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 12px; color: #fff; }

.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink-1); font-weight: 600; font-size: 17px; }
.brand__name { color: var(--ink-1); }
.site-header__actions { display: flex; align-items: center; gap: 12px; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px;
  background: var(--bg-soft); border: 1px solid var(--line-strong); border-radius: var(--radius);
  color: var(--ink-2); font-family: inherit; font-size: 13px; cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease);
}
.lang-switch:hover { border-color: var(--brand-400); }
.lang-switch__sep { color: var(--ink-3); }

/* 结算币种切换（CNY / USD）：默认按界面语言推导，用户可手动切换 */
.currency-switch {
  display: inline-flex; gap: 4px; margin-bottom: 12px; padding: 3px;
  background: var(--bg-soft); border: 1px solid var(--line-strong); border-radius: var(--radius);
}
.currency-switch__item {
  border: 0; background: transparent; padding: 5px 12px; border-radius: var(--radius-sm);
  color: var(--ink-2); font-family: inherit; font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.currency-switch__item.is-active {
  background: var(--bg); color: var(--ink-1); font-weight: 700;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .08);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border: 1px solid transparent; border-radius: var(--radius);
  font-family: inherit; font-size: 15px; font-weight: 600; line-height: 1.2; cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.btn--primary { background: var(--brand-700); color: #fff; }
.btn--primary:hover { background: var(--brand-800); color: #fff; }
.btn--ghost { background: var(--bg); color: var(--ink-2); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--brand-400); color: var(--ink-1); }
.btn--sm { padding: 8px 12px; font-size: 13px; }
.btn:disabled { opacity: .65; cursor: progress; }

.site-footer { margin-top: 48px; padding: 28px 0; border-top: 1px solid var(--line); background: var(--bg-soft); }
.site-footer__bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; color: var(--ink-3); font-size: 13px; }
.site-footer__bottom a { color: var(--ink-3); }
.site-footer__bottom a:hover { color: var(--brand-700); }

/* 局部语义色：基础令牌未提供「危险」色，本页错误态需要，故仅在本页作用域内补充 */
.checkout {
  --danger: #B4544A;
  --danger-bg: #FBEFEE;
}

.checkout { padding-block: 40px 88px; }

.checkout__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}
.checkout__main { min-width: 0; }

.checkout__eyebrow {
  margin-bottom: 12px;
  color: var(--brand-600);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
}
.checkout__title { font-size: clamp(24px, 3vw, 32px); }
.checkout__sub {
  margin-top: 12px;
  max-width: 62ch;
  color: var(--ink-3);
  font-size: 16px;
}

/* --------------------------------- 步骤条 -------------------------------- */
.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 28px 0 24px;
}
.steps__item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-3);
  font-size: 13px;
}
.steps__num {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--bg);
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 600;
  transition: background-color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.steps__item.is-active { color: var(--brand-800); font-weight: 600; }
.steps__item.is-active .steps__num {
  background: var(--brand-700);
  border-color: var(--brand-700);
  color: #fff;
}
.steps__item.is-done { color: var(--success); }
.steps__item.is-done .steps__num {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

/* --------------------------------- 面板 --------------------------------- */
.panel {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.panel + .panel { margin-top: 16px; }
.panel__title { font-size: 18px; }
.panel__desc { margin-top: 8px; color: var(--ink-3); font-size: 14px; }
.panel__actions { margin-top: 24px; }

/* -------------------------------- 档位选择 ------------------------------- */
.plan-field { margin: 0; padding: 0; border: 0; }
#orderForm .plan-field { margin-top: 16px; }
.plan-field__legend {
  padding: 0;
  margin-bottom: 12px;
  color: var(--ink-1);
  font-size: 15px;
  font-weight: 600;
}
.plan-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 12px;
}
.plan-field__note {
  margin-top: 12px;
  color: var(--ink-3);
  font-size: 13px;
}

.plan-card {
  position: relative;
  display: block;
  height: 100%;
  padding: 18px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.plan-card:hover { border-color: var(--brand-400); box-shadow: var(--shadow); }
.plan-card__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}
.plan-card__input:focus-visible + .plan-card__body {
  outline: 2px solid var(--brand-700);
  outline-offset: 4px;
  border-radius: var(--radius);
}
.plan-card.is-selected {
  background: var(--brand-50);
  border-color: var(--brand-700);
  box-shadow: inset 0 0 0 1px var(--brand-700);
}
.plan-card__body {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.plan-card__head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}
.plan-card__name { color: var(--ink-1); font-size: 15px; font-weight: 600; }
.plan-card__tier {
  padding: 2px 8px;
  background: var(--brand-100);
  border-radius: var(--radius-sm);
  color: var(--brand-700);
  font-size: 11px;
  font-weight: 600;
}
.plan-card__badge {
  position: absolute;
  top: 12px;
  inset-inline-end: 12px;
  display: inline-block;
  padding: 2px 8px;
  background: var(--brand-700);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}
.plan-card__amount {
  display: block;
  margin-top: 12px;
  color: var(--ink-1);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
}
.plan-card__unit {
  display: inline-block;
  align-self: flex-start;
  margin-top: 10px;
  padding: 3px 10px;
  background: var(--brand-50);
  border: 1px solid var(--brand-200);
  border-radius: var(--radius-sm);
  color: var(--brand-700);
  font-size: 12px;
  line-height: 1.5;
}
.plan-card__providers {
  display: block;
  margin-top: 8px;
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1.5;
}
.plan-card.is-unavailable {
  opacity: .55;
  cursor: not-allowed;
}
.plan-card.is-unavailable .plan-card__providers {
  color: var(--ink-2);
  font-weight: 600;
}
.plan-card__desc {
  display: block;
  margin-top: 10px;
  color: var(--ink-3);
  font-size: 13px;
}
.plan-card__devices {
  display: block;
  margin-top: 6px;
  color: var(--ink-2);
  font-size: 12px;
  line-height: 1.5;
}

/* --------------------------------- 表单 --------------------------------- */
.field { margin-top: 24px; }
.field__label {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-1);
  font-size: 14px;
  font-weight: 600;
}
.field__input {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink-1);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.field__input::placeholder { color: var(--brand-300); }
.field__input:hover { border-color: var(--brand-400); }
.field__input:focus-visible {
  outline: none;
  border-color: var(--brand-700);
  box-shadow: 0 0 0 3px var(--brand-100);
}
.field__input[aria-invalid="true"] { border-color: var(--danger); }
.field__hint { margin-top: 6px; color: var(--ink-3); font-size: 13px; }
.field__error { margin-top: 6px; color: var(--danger); font-size: 13px; }

.machine-box {
  margin-top: 24px;
  padding: 14px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.machine-box__label { color: var(--ink-3); font-size: 12px; }
.machine-box__value {
  margin-top: 2px;
  color: var(--ink-1);
  font-family: var(--font-mono);
  font-size: 13px;
  word-break: break-all;
}
.machine-box__hint { margin-top: 6px; color: var(--ink-3); font-size: 12.5px; }

.form-note { margin-top: 20px; color: var(--ink-3); font-size: 13px; }
.form-legal { margin-top: 8px; color: var(--ink-3); font-size: 12px; line-height: 1.7; }
.form-legal a { color: var(--accent, #2563eb); text-decoration: underline; }

/* ------------------------------- 支付方式 ------------------------------- */
.provider-list { display: grid; gap: 10px; margin-top: 16px; }
.provider-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink-2);
  font-family: inherit;
  font-size: 15px;
  text-align: start;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.provider-item:hover { border-color: var(--brand-400); box-shadow: var(--shadow); }
.provider-item[disabled] { opacity: .65; cursor: progress; }
.provider-item__label { color: var(--ink-1); font-weight: 600; }
.provider-item__note { margin-top: 2px; color: var(--ink-3); font-size: 12.5px; }
.provider-item__arrow { color: var(--brand-500); font-size: 18px; line-height: 1; }

/* ------------------------------ 提示条 / 错误 ----------------------------- */
.notice {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-soft);
  color: var(--ink-2);
  font-size: 13.5px;
}
.notice--warn { border-color: #E7D2A8; background: #FDF7EC; color: #6F5518; }
.notice--error { border-color: #E7C0BC; background: var(--danger-bg); color: #7B2F26; }
.notice--busy { display: flex; align-items: center; gap: 10px; }

.error-box { margin-top: 16px; }
.error-box__detail {
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  color: var(--ink-3);
  font-size: 12.5px;
  word-break: break-word;
}

/* -------------------------------- 支付展示 ------------------------------- */
.pay-box { display: grid; gap: 16px; }
.qr-box { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
.qr-box__canvas {
  width: 176px;
  height: 176px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.qr-box__svg { width: 100%; height: 100%; display: block; }
.qr-box__aside { flex: 1 1 220px; min-width: 0; }
.qr-link {
  display: block;
  margin-top: 8px;
  padding: 10px 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 12px;
  word-break: break-all;
}
.qr-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--brand-200);
  border-top-color: var(--brand-700);
  border-radius: 50%;
  animation: ck-spin .8s linear infinite;
}
@keyframes ck-spin { to { transform: rotate(360deg); } }

/* -------------------------------- 结果区 -------------------------------- */
/* 成功页主叙事是「授权已签发、回客户端自动生效」，凭证退居折叠区：
   hero 承接结论 → 编号清单讲清接下来 → 虚线折叠块只在需要手动时才展开 */
.result-hero {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 18px 18px 16px;
  background: linear-gradient(180deg, #F3FBF7, #FFFFFF);
  border: 1px solid #D3E8DD;
  border-radius: var(--radius-lg);
}
.result-hero__badge {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(62, 156, 122, .12);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
}
.result-hero__body { min-width: 0; }
.result-hero__title { font-size: 19px; }
.result-hero__desc { margin-top: 6px; color: var(--ink-2); font-size: 14px; }
.result__next { margin-top: 26px; font-size: 15px; }
/* 无 hero 的终态（兑换码 / 凭证生成中）：一句引导直接起头，避免和页头标题重复 */
.result-lead { color: var(--ink-2); font-size: 14.5px; line-height: 1.7; }

.next-steps { display: grid; gap: 10px; margin-top: 12px; }
.next-steps li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.7;
}
.next-steps__num {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  background: var(--brand-100);
  border-radius: 50%;
  color: var(--brand-700);
  font-size: 12px;
  font-weight: 700;
}

.manual {
  margin-top: 20px;
  padding: 12px 14px;
  background: var(--bg-soft);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
}
.manual__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  color: var(--ink-1);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.manual__summary:hover { color: var(--brand-700); }
.manual__hint { color: var(--ink-3); font-size: 12.5px; font-weight: 400; }
.manual__body { margin-top: 12px; }
.manual .code-block { background: #fff; }

.code-block {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-height: 220px;
  overflow: auto;
}
.code-block code {
  display: block;
  color: var(--ink-1);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  word-break: break-all;
  white-space: pre-wrap;
}
.code-copy { margin-top: 12px; }

/* ------------------------------- 档位分组 ------------------------------- */
.plan-list { display: block; }
.plan-group { list-style: none; }
.plan-group + .plan-group { margin-top: 20px; }
.plan-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 10px;
  color: var(--ink-1);
  font-size: 13px;
  font-weight: 700;
}
.plan-group-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.plan-group .plan-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 12px;
}
.plan-card__unavailable-hint {
  display: block;
  margin-top: 6px;
  color: var(--brand-700);
  font-size: 12px;
  font-weight: 600;
}

/* ------------------------------- 支付方式卡片 ------------------------------- */
.region-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.region-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--brand-200);
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: 12px;
  font-weight: 600;
}
.region-row__note { margin: 0; color: var(--ink-3); font-size: 12.5px; }
.provider-card {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--bg);
  font-family: inherit;
  text-align: start;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.provider-card:hover { border-color: var(--brand-500); box-shadow: var(--shadow); }
.provider-card[disabled] { opacity: .65; cursor: progress; }
.provider-card__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}
.provider-card__name { display: block; color: var(--ink-1); font-size: 15px; font-weight: 700; }
.provider-card__note { display: block; margin-top: 2px; color: var(--ink-3); font-size: 12px; }
.provider-card__amount { display: flex; align-items: center; gap: 12px; margin-inline-start: auto; text-align: end; }
.provider-card__price { color: var(--ink-1); font-size: 16px; font-weight: 700; }
.provider-card__arrow { color: var(--brand-500); font-size: 18px; }
.recap {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  font-size: 13px;
}
.recap__row { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; }
.recap__row span { color: var(--ink-3); }
.recap__row b { color: var(--ink-1); text-align: end; }
.linklike {
  border: 0;
  background: none;
  padding: 0;
  color: var(--brand-700);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.linklike:hover { color: var(--brand-900); }

/* ------------------------------- 倒计时 ------------------------------- */
.cd-row { display: flex; align-items: center; gap: 12px; margin: 4px 0 16px; }
.cd-row__label { color: var(--ink-3); font-size: 13px; white-space: nowrap; }
.cd-text { color: var(--ink-1); font-family: var(--font-mono); font-size: 14px; font-weight: 700; }
.cd-bar { flex: 1; height: 6px; border-radius: 999px; background: var(--brand-100); overflow: hidden; }
.cd-bar__fill { display: block; height: 100%; width: 100%; border-radius: 999px; background: var(--brand-700); transition: width 1s linear; }
.cd-row.is-urgent .cd-bar__fill { background: var(--danger); }

/* ------------------------------- toast ------------------------------- */
.toast-wrap {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translateX(-50%);
  pointer-events: none;
}
.toast {
  max-width: 80vw;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--ink-1);
  color: #fff;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: ck-toast-in .22s var(--ease);
}
.toast.is-out { opacity: 0; transition: opacity .25s; }
@keyframes ck-toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ------------------------------- 骨架屏 ------------------------------- */
.sk-wrap { display: block; }
.sk-row { display: flex; gap: 12px; align-items: center; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); margin-top: 12px; }
.sk {
  height: 13px;
  flex: 1;
  border-radius: 6px;
  background: linear-gradient(90deg, #EDF1F2 25%, #F7F9FA 50%, #EDF1F2 75%);
  background-size: 200% 100%;
  animation: ck-sk-move 1.2s linear infinite;
}
@keyframes ck-sk-move { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  .sk { animation: none; }
  .cd-bar__fill { transition: none; }
}

/* ------------------------------- 徽标 ------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}
.badge--ok { background: #E4F3EC; color: #256B51; }
.badge--warn { background: #FBF3E2; color: #8A6216; }
.badge--danger { background: #F9E9E7; color: #8E3A31; }
.badge--muted { background: #EEF1F2; color: #5F6D72; }

/* ------------------------------- 摘要/机器码补充 ------------------------------- */
.machine-box__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
#stage:focus { outline: none; }
#stage:focus-visible { outline: 2px solid var(--brand-700); outline-offset: 4px; }

.summary {
  padding: 20px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.summary__title { font-size: 15px; }
.summary__list { margin-top: 14px; }
.summary__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
}
.summary__row:first-child { border-top: 0; }
.summary__row dt { color: var(--ink-3); white-space: nowrap; }
.summary__row dd {
  margin: 0;
  color: var(--ink-1);
  font-weight: 600;
  text-align: end;
  word-break: break-all;
}
.summary__foot { margin-top: 14px; color: var(--ink-3); font-size: 13px; }

/* -------------------------------- 工具类 -------------------------------- */
[hidden] { display: none !important; }

.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;
}

.noscript-note {
  margin: 24px auto;
  padding: 14px 16px;
  border: 1px solid #E7D2A8;
  border-radius: var(--radius);
  background: #FDF7EC;
  color: #6F5518;
  font-size: 14px;
}

/* -------------------------------- 响应式 -------------------------------- */
@media (max-width: 1024px) {
  .checkout__inner { grid-template-columns: 1fr; gap: 24px; }
  .summary { order: -1; }
  /* 支付完成：先看结论，摘要排在主栏之后 */
  .checkout__inner.is-settled .summary { order: 0; }
}

@media (max-width: 768px) {
  :root { --gutter: 20px; }
  .checkout { padding-block: 28px 64px; }
  .panel { padding: 20px; }
  .plan-list { grid-template-columns: 1fr; }
  .qr-box { flex-direction: column; }
  .qr-box__aside { width: 100%; }
}

@media (max-width: 480px) {
  .checkout { padding-block: 20px 48px; }
  .panel { padding: 16px; }
  .steps { gap: 8px 14px; }
  .summary__row { flex-direction: column; gap: 2px; }
  .summary__row dd { text-align: start; }
  .result-hero { gap: 10px; padding: 14px; }
  .result-hero__title { font-size: 17px; }
}

/* ---------------------------- 动效降级（无障碍） ---------------------------- */
@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 1.6s; }
  .plan-card,
  .provider-item,
  .steps__num { transition-duration: .01ms; }
}

/* 花呗分期选择（仅支付宝） */
.installment-row {
  margin: -4px 0 14px;
}

.installment-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted, #5b6b73);
}

.installment-row select {
  padding: 6px 10px;
  border: 1px solid var(--line, #cbd5dc);
  border-radius: 8px;
  background: #fff;
  color: inherit;
  font: inherit;
}