/* =========================================================================
 * 雅音素材包商城 · appica 视觉（全新）
 * 对齐 appica.dev 设计 token：
 *   --primary  achromatic 中性色（浅色下近黑 / 深色下近白）
 *   --background #ffffff 纯白底
 *   --radius   单变量 0.875rem 驱动全尺度
 *   semantic 角色：foreground/background/border/primary/secondary/
 *                  error/success/warning/info + soft/muted 家族
 * 原则：克制中性、大圆角、轻边框、极浅阴影、无花哨渐变
 * ========================================================================= */

:root {
  /* 中性色板（appica achromatic，加轻微冷相） */
  --background: #ffffff;
  --foreground: #01010b;   /* 近黑文本 */
  --muted:      #f4f4f5;   /* 次级块底色 */
  --muted-fg:   #71717b;
  --card:       #ffffff;
  --card-fg:    #01010b;
  --border:     #d3d3d8;
  --input:      #d3d3d8;
  --ring:       #01010b;

  /* primary：appica 默认 achromatic（浅色下近黑），零彩色 */
  --primary:       #18181b;
  --primary-fg:    #fafafa;
  --primary-hover: #262629;
  --primary-soft:  #f4f4f5;

  /* secondary 灰阶按钮 */
  --secondary:       #f4f4f5;
  --secondary-fg:    #18181b;
  --secondary-hover: #e4e4e7;

  /* 语义色（仅低饱和指示用） */
  --error:       #e7000b;
  --error-fg:    #fafafa;
  --error-soft:  #fef2f2;
  --success:     #0d69ff;  /* 中性偏蓝，克制 */
  --success-soft:#eff3f7;
  --warning:     #e17100;
  --warning-soft:#fff7ed;
  --info:        #0d69ff;
  --info-soft:   #eef2ff;

  /* 半径：单变量驱动（appica） */
  --radius: 0.875rem;
  --radius-sm: calc(var(--radius) - 6px);
  --radius-lg: calc(var(--radius) + 6px);

  /* 极浅阴影 */
  --shadow-xs: 0 1px 2px 0 rgba(0,0,0,0.03);
  --shadow-sm: 0 1px 3px 0 rgba(0,0,0,0.05), 0 1px 2px -1px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px -2px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.04);

  --t1: #18181b;
  --t2: #55555b;
  --t3: #70717a;
  --t4: #858590;
  --line: #d3d3d8;
  --bg:  #fafafb;
}

@supports (color: oklch(0.21 0.006 285.885)) {
:root {
  /* 中性色板（appica achromatic，加轻微冷相） */
  --background: #ffffff;
  --foreground: oklch(0.141 0.005 285.823);   /* 近黑文本 */
  --muted:      oklch(0.967 0.001 286.375);   /* 次级块底色 */
  --muted-fg:   oklch(0.552 0.016 285.938);
  --card:       #ffffff;
  --card-fg:    oklch(0.141 0.005 285.823);
  --border:     oklch(0.872 0.004 286.32);
  --input:      oklch(0.872 0.004 286.32);
  --ring:       oklch(0.141 0.005 285.823);

  /* primary：appica 默认 achromatic（浅色下近黑），零彩色 */
  --primary:       oklch(0.21 0.006 285.885);
  --primary-fg:    oklch(0.985 0 0);
  --primary-hover: oklch(0.27 0.006 285.885);
  --primary-soft:  oklch(0.967 0.001 286.375);

  /* secondary 灰阶按钮 */
  --secondary:       oklch(0.967 0.001 286.375);
  --secondary-fg:    oklch(0.21 0.006 285.885);
  --secondary-hover: oklch(0.92 0.004 286.32);

  /* 语义色（仅低饱和指示用） */
  --error:       oklch(0.577 0.245 27.325);
  --error-fg:    oklch(0.985 0 0);
  --error-soft:  oklch(0.971 0.013 17.38);
  --success:     oklch(0.577 0.245 261.325);  /* 中性偏蓝，克制 */
  --success-soft:oklch(0.963 0.007 247.896);
  --warning:     oklch(0.666 0.179 58.318);
  --warning-soft:oklch(0.98 0.016 73.684);
  --info:        oklch(0.577 0.245 261.325);
  --info-soft:   oklch(0.962 0.018 272.314);

  /* 半径：单变量驱动（appica） */
  --radius: 0.875rem;
  --radius-sm: calc(var(--radius) - 6px);
  --radius-lg: calc(var(--radius) + 6px);

  /* 极浅阴影 */
  --shadow-xs: 0 1px 2px 0 rgba(0,0,0,0.03);
  --shadow-sm: 0 1px 3px 0 rgba(0,0,0,0.05), 0 1px 2px -1px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px -2px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.04);

  --t1: oklch(0.21 0.006 285.885);
  --t2: oklch(0.45 0.01 285.885);
  --t3: oklch(0.55 0.014 285.885);
  --t4: oklch(0.62 0.016 285.885);
  --line: oklch(0.872 0.004 286.32);
  --bg:  oklch(0.985 0.001 286.375);
}
}

/* ============ 基础 ============ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--foreground);
  font: 15px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { max-width: 100%; }
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  letter-spacing: 0.04em;
}
.muted { color: var(--t3); }
.spacer { flex: 1; }

/* ============ 顶部导航 ============ */
.aui-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.82); /* fallback */
  background: color-mix(in oklab, var(--background) 82%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.aui-header-in {
  max-width: 1080px; margin: 0 auto; padding: 0 20px;
  height: 62px; display: flex; align-items: center; gap: 28px;
}
.aui-brand { display: flex; align-items: center; gap: 11px; }
.aui-brand-logo {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  background: var(--primary); color: var(--primary-fg);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800;
}
.aui-brand-txt { display: flex; flex-direction: column; line-height: 1.25; }
.aui-brand-txt b { font-size: 15px; font-weight: 700; letter-spacing: 0.01em; }
.aui-brand-txt small { font-size: 11.5px; color: var(--t4); margin-top: 1px; }
.aui-nav { display: flex; align-items: center; gap: 4px; margin-left: 6px; }
.aui-nav a {
  padding: 7px 14px; border-radius: calc(var(--radius) - 4px);
  font-size: 14px; color: var(--t2); font-weight: 500;
  transition: background .15s ease, color .15s ease;
}
.aui-nav a:hover { background: var(--primary-soft); color: var(--t1); }
.aui-nav a.on { background: var(--primary); color: var(--primary-fg); font-weight: 600; }

/* ============ 布局容器 ============ */
.aui-wrap { max-width: 1080px; margin: 0 auto; padding: 34px 20px 56px; }
.aui-narrow { max-width: 660px; margin: 0 auto; padding: 28px 16px 56px; }

/* ============ Hero ============ */
.aui-hero { text-align: center; padding: 38px 0 10px; }
.aui-hero .eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .02em;
  color: var(--t2); background: var(--primary-soft);
  border: 1px solid var(--border);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 18px;
}
.aui-hero .eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--success); display: inline-block; }
.aui-hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.15; font-weight: 800; margin: 0 0 14px; letter-spacing: -0.02em; }
.aui-hero p { font-size: 16px; color: var(--t2); max-width: 560px; margin: 0 auto; line-height: 1.7; }
.aui-stats {
  display: flex; justify-content: center; gap: 0; margin: 34px auto 0;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 6px 0;
  box-shadow: var(--shadow-sm); overflow: hidden;
  max-width: 640px;
}
.aui-stats > div {
  flex: 1; padding: 16px 8px; text-align: center;
  border-right: 1px solid var(--border);
}
.aui-stats > div:last-child { border-right: none; }
.aui-stats b { display: block; font-size: 23px; font-weight: 800; letter-spacing: -0.01em; }
.aui-stats span { font-size: 12.5px; color: var(--t4); margin-top: 2px; display: block; }

/* ============ 区块标题 ============ */
.aui-sec { display: flex; align-items: center; gap: 12px; margin: 40px 0 18px; }
.aui-sec .bar { width: 4px; height: 18px; border-radius: 4px; background: var(--primary); }
.aui-sec h2 { font-size: 19px; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
.aui-sec .more { margin-left: auto; font-size: 13px; color: var(--t3); }

/* ============ 提示条 alert ============ */
.aui-alert {
  display: flex; gap: 10px; align-items: flex-start;
  border-radius: var(--radius); padding: 13px 15px;
  font-size: 13.5px; line-height: 1.65;
  border: 1px solid var(--border);
}
.aui-alert .ico {
  flex: none; width: 19px; height: 19px; margin-top: 1px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; color: #fff;
}
.aui-alert b { font-weight: 700; }
.aui-alert a { font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.aui-alert .mono { font-weight: 600; }
border-color: rgba(13,105,255,0.18); /* fallback */
.aui-alert-info  { background: var(--info-soft); border-color: color-mix(in oklab, var(--info) 18%, transparent); }
.aui-alert-info  .ico { background: var(--info); }
border-color: rgba(13,105,255,0.2); /* fallback */
.aui-alert-success { background: var(--success-soft); border-color: color-mix(in oklab, var(--success) 20%, transparent); }
.aui-alert-success .ico { background: var(--success); }
border-color: rgba(225,113,0,0.24); /* fallback */
.aui-alert-warn  { background: var(--warning-soft); border-color: color-mix(in oklab, var(--warning) 24%, transparent); }
.aui-alert-warn  .ico { background: var(--warning); }
border-color: rgba(231,0,11,0.22); /* fallback */
.aui-alert-error { background: var(--error-soft); border-color: color-mix(in oklab, var(--error) 22%, transparent); }
.aui-alert-error .ico { background: var(--error); }

/* ============ 商品网格 ============ */
.aui-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 18px;
}
.aui-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05), 0 1px 3px 0 rgba(0,0,0,0.045);
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
border-color: rgb(182,182,187); /* fallback */
.aui-card.hoverable:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: color-mix(in oklab, var(--foreground) 14%, var(--border)); }
.aui-card .cover {
  height: 118px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.96); font-size: 44px; font-weight: 800;
  letter-spacing: .02em; user-select: none;
}
.aui-card .cover .tag {
  position: absolute; right: 12px; top: 12px;
  background: rgba(15,15,20,.55); color: #fff;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px;
}
.aui-card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; }
.aui-card .body h3 { font-size: 16.5px; font-weight: 700; margin: 0 0 3px; letter-spacing: -0.01em; }
.aui-card .body .sub { font-size: 12.5px; color: var(--t3); margin-bottom: 10px; }
.aui-card .body .sum {
  font-size: 13px; color: var(--t2); line-height: 1.7; min-height: 44px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.aui-card .meta { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0; }
.aui-card .meta span {
  font-size: 11.5px; color: var(--t2);
  background: var(--primary-soft); border: 1px solid var(--border);
  padding: 2px 9px; border-radius: 999px;
}
.aui-card .foot {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px dashed var(--line); padding-top: 14px; margin-top: auto;
}
.aui-price { font-size: 21px; font-weight: 800; color: var(--foreground); letter-spacing: -0.01em; }
.aui-price small { font-size: 13px; font-weight: 700; margin-right: 1px; }
.aui-price-old { font-size: 12.5px; color: var(--t4); text-decoration: line-through; margin-left: 7px; }
.aui-sold { font-size: 12px; color: var(--t4); margin-top: 1px; }
.aui-empty {
  text-align: center; padding: 56px 20px; color: var(--t4);
  background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius-lg);
}

/* ============ 卡片 / 通用控件 ============ */
.aui-panel {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 22px; margin-top: 16px;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05), 0 1px 3px 0 rgba(0,0,0,0.045);
}
.aui-panel-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 700; margin: 0 0 14px;
}
.aui-panel-title .step-no {
  width: 24px; height: 24px; border-radius: 8px; flex: none;
  background: var(--primary); color: var(--primary-fg);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}

/* 字段 */
.aui-field { margin-bottom: 14px; }
.aui-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--t1); }
.aui-input, .aui-select {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--input); border-radius: calc(var(--radius) - 2px);
  background: var(--card); color: var(--foreground);
  font-size: 14.5px; outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.aui-input:focus, .aui-select:focus {
  border-color: var(--ring);
  box-shadow: rgba(1,1,11,0.12); /* fallback */
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 12%, transparent);
}
.aui-input::placeholder { color: var(--t4); }
box-shadow: rgba(13,105,255,0.12); /* fallback */
.aui-input.is-ok  { border-color: var(--success); box-shadow: 0 0 0 3px color-mix(in oklab, var(--success) 12%, transparent); }
box-shadow: rgba(231,0,11,0.12); /* fallback */
.aui-input.is-err { border-color: var(--error);   box-shadow: 0 0 0 3px color-mix(in oklab, var(--error) 12%, transparent); }
box-shadow: rgba(225,113,0,0.12); /* fallback */
.aui-input.is-warn{ border-color: var(--warning); box-shadow: 0 0 0 3px color-mix(in oklab, var(--warning) 12%, transparent); }
.aui-hint { font-size: 12.5px; color: var(--t3); margin-top: 7px; line-height: 1.6; }
.aui-hint .mono { font-size: 12px; }

/* 机器码展示盒 */
.aui-mc {
  display: flex; align-items: center; gap: 10px;
  border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 11px 14px; margin-bottom: 12px;
  background: var(--bg);
}
.aui-mc .val { font-size: 15px; font-weight: 600; flex: 1; min-width: 0; overflow-wrap: anywhere; }
.aui-mc .val.empty { color: var(--t4); font-weight: 400; }
border-color: rgb(132,169,232); /* fallback */
.aui-mc.filled { border-color: color-mix(in oklab, var(--success) 40%, var(--border)); background: var(--success-soft); }

/* ============ 按钮 ============ */
.aui-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px; border-radius: calc(var(--radius) - 2px);
  font-size: 14.5px; font-weight: 600; line-height: 1.2; cursor: pointer;
  border: 1px solid transparent; white-space: nowrap;
  transition: background .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
  -webkit-user-select: none; user-select: none;
}
.aui-btn:active { transform: translateY(1px); }
.aui-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.aui-btn-primary {
  background: var(--primary); color: var(--primary-fg);
}
.aui-btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.aui-btn-secondary {
  background: var(--secondary); color: var(--secondary-fg); border-color: var(--border);
}
.aui-btn-secondary:hover:not(:disabled) { background: var(--secondary-hover); }
.aui-btn-outline { background: transparent; border-color: var(--input); color: var(--foreground); }
border-color: rgb(148,148,154); /* fallback */
.aui-btn-outline:hover:not(:disabled) { background: var(--primary-soft); border-color: color-mix(in oklab, var(--foreground) 30%, var(--border)); }
.aui-btn-ghost { background: transparent; color: var(--t1); }
.aui-btn-ghost:hover:not(:disabled) { background: var(--primary-soft); }
.aui-btn-danger { background: var(--error); color: var(--error-fg); }
.aui-btn-sm { padding: 7px 13px; font-size: 13px; border-radius: calc(var(--radius) - 6px); }
.aui-btn-lg { padding: 13px 22px; font-size: 16px; border-radius: var(--radius); }
.aui-btn-block { width: 100%; }
.aui-btn > .spacer { flex: 0; }

/* ============ FAQ ============ */
.aui-faq { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px; cursor: pointer; font-size: 14.5px; font-weight: 600;
  transition: background .15s ease;
}
.faq-q:hover { background: var(--primary-soft); }
.faq-q .arw {
  flex: none; font-size: 18px; color: var(--t4); transform: rotate(90deg);
  transition: transform .2s ease; line-height: 1;
}
.faq-item.open .faq-q .arw { transform: rotate(-90deg); }
.faq-a {
  display: none; padding: 0 20px 16px; font-size: 13.5px; color: var(--t2);
  line-height: 1.75; white-space: pre-line;
}
.faq-item.open .faq-a { display: block; }
.faq-a .mono { font-size: 12.5px; }

/* ============ 支付方式列表 ============ */
.aui-pay-list { display: grid; gap: 10px; }
.aui-pay-item {
  display: flex; align-items: center; gap: 13px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  padding: 13px 15px; cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
border-color: rgb(161,161,167); /* fallback */
.aui-pay-item:hover { border-color: color-mix(in oklab, var(--foreground) 24%, var(--border)); }
.aui-pay-item.on { border-color: var(--primary); background: var(--primary-soft); box-shadow: 0 0 0 1px var(--primary) inset; }
.aui-pay-item.off { opacity: .5; cursor: not-allowed; }
.aui-pay-item .pi {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; color: #fff;
}
.aui-pay-item .pi.ali { background: #1677FF; }
.aui-pay-item .pi.wx  { background: #07C160; }
.aui-pay-item .pn { display: block; font-size: 14.5px; font-weight: 700; }
.aui-pay-item .pd { display: block; font-size: 12px; color: var(--t4); margin-top: 1px; }
.aui-pay-item .radio-dot { margin-left: auto; }
.aui-pay-item.on .radio-dot::after { content: "✓"; }

/* ============ 成功页 / 激活码 ============ */
.aui-okico {
  width: 66px; height: 66px; margin: 6px auto 16px; border-radius: 50%;
  background: var(--success); color: #fff; font-size: 34px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: rgba(13,105,255,0.55); /* fallback */
  box-shadow: 0 8px 24px -6px color-mix(in oklab, var(--success) 55%, transparent);
}
.aui-codebox {
  background: var(--bg); border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 18px; text-align: center; margin-top: 4px;
}
.aui-codebox .code {
  font-size: 24px; font-weight: 700; letter-spacing: .06em;
  word-break: break-all; color: var(--foreground);
}
.aui-codebox .code.mask { letter-spacing: .18em; color: var(--t4); }
.aui-codebox .tip { font-size: 12.5px; color: var(--t3); margin-top: 8px; }
.aui-steps { margin: 6px 0 2px; padding-left: 0; list-style: none; counter-reset: st; }
.aui-steps li {
  counter-increment: st; position: relative; padding: 0 0 12px 34px;
  font-size: 13.5px; color: var(--t2); line-height: 1.7;
}
.aui-steps li::before {
  content: counter(st); position: absolute; left: 0; top: 1px;
  width: 22px; height: 22px; border-radius: 7px;
  background: var(--primary-soft); border: 1px solid var(--border);
  color: var(--t1); font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.aui-steps li:not(:last-child)::after {
  content: ""; position: absolute; left: 10px; top: 30px; bottom: 0;
  width: 1.5px; background: var(--line);
}

/* ============ 订单查询 ============ */
.aui-ocard {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 20px; margin-top: 14px;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05), 0 1px 3px 0 rgba(0,0,0,0.045);
}
.aui-ocard .top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.aui-ocard h4 { margin: 0; font-size: 16px; font-weight: 700; }
.aui-kv { display: flex; gap: 12px; padding: 5px 0; font-size: 13.5px; border-bottom: 1px dashed var(--line); }
.aui-kv:last-child { border-bottom: none; }
.aui-kv .k { width: 70px; flex: none; color: var(--t4); }
.aui-kv .v { color: var(--t1); overflow-wrap: anywhere; }
.aui-ops { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }

/* ============ 徽标 ============ */
.aui-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
  background: var(--primary-soft); color: var(--t2); border: 1px solid var(--border);
}
border-color: rgba(13,105,255,0.3); /* fallback */
.aui-badge.ok     { background: var(--success-soft); color: #004e90; border-color: color-mix(in oklab, var(--success) 30%, transparent); }
border-color: rgba(225,113,0,0.32); /* fallback */
.aui-badge.wait   { background: var(--warning-soft); color: #905211;  border-color: color-mix(in oklab, var(--warning) 32%, transparent); }
.aui-badge.off    { background: var(--bg); color: var(--t4); border-color: var(--line); }
border-color: rgba(231,0,11,0.28); /* fallback */
.aui-badge.refund { background: var(--error-soft);  color: #a12628; border-color: color-mix(in oklab, var(--error) 28%, transparent); }

/* ============ Toast ============ */
.aui-toast-box {
  position: fixed; top: 74px; left: 0; right: 0; z-index: 999;
  display: flex; justify-content: center; pointer-events: none;
}
.aui-toast {
  background: var(--primary); color: var(--primary-fg);
  padding: 11px 20px; border-radius: calc(var(--radius) - 2px);
  font-size: 14px; font-weight: 500; box-shadow: var(--shadow-md);
  opacity: 0; transform: translateY(-8px); transition: all .3s ease;
  max-width: min(92vw, 560px); pointer-events: auto;
}
.aui-toast.show { opacity: 1; transform: translateY(0); }
.aui-toast-success { background: var(--success); color: #fff; }
.aui-toast-error   { background: var(--error);   color: #fff; }
.aui-toast-warn    { background: var(--warning); color: #fff; }
.aui-toast-info    { background: var(--info);    color: #fff; }

/* ============ 页脚 ============ */
.aui-footer {
  border-top: 1px solid var(--border); padding: 26px 20px 34px;
  text-align: center; font-size: 12.5px; color: var(--t4);
  background: var(--card); line-height: 1.9;
}
.aui-footer b { color: var(--t3); font-weight: 600; }

/* 返回链接 */
.aui-back { display: inline-flex; align-items: center; gap: 5px; font-size: 13.5px; color: var(--t3); }
.aui-back:hover { color: var(--t1); }

/* 头部素材卡小块（buy 页左侧缩略） */
.aui-cover-sm {
  width: 104px; height: 104px; border-radius: var(--radius); flex: none;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.96); font-size: 36px; font-weight: 800;
  box-shadow: var(--shadow-sm);
}
.aui-cover-sm + .aui-cover-sm { margin-left: 0; }

/* 分隔虚线 */
.aui-divider { border: none; border-top: 1px dashed var(--line); margin: 16px 0; }

/* ============ 响应式 ============ */
@media (max-width: 720px) {
  .aui-header-in { height: 54px; gap: 8px; padding: 0 12px; }
  .aui-brand-txt small { display: none; }
  .aui-brand-logo { width: 28px; height: 28px; font-size: 14px; }
  .aui-nav { gap: 0; margin-left: auto; }
  .aui-nav a { padding: 6px 7px; font-size: 12.5px; }
  .aui-wrap { padding: 18px 12px 44px; }
  .aui-hero { padding: 14px 2px 2px; }
  .aui-hero h1 { font-size: 22px; }
  .aui-hero p { font-size: 13px; line-height: 1.65; }
  .aui-stats { flex-wrap: wrap; gap: 0; margin-top: 18px; }
  .aui-stats > div { flex: 1 1 50%; border-bottom: 1px solid var(--border); }
  .aui-stats > div:nth-child(3) { border-bottom: none; }

  /* 素材包卡片：一行两个 */
  .aui-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .aui-card .cover { height: 74px; font-size: 30px; }
  .aui-card .cover .tag { right: 7px; top: 7px; font-size: 10px; padding: 2px 7px; }
  .aui-card .body { padding: 10px 11px 12px; }
  .aui-card .body h3 {
    font-size: 13.5px; line-height: 1.35; margin-bottom: 2px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .aui-card .body .sub {
    font-size: 11px; margin-bottom: 0;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .aui-card .body .sum { display: none; }
  .aui-card .meta { display: none; }
  .aui-card .foot {
    flex-direction: column; align-items: stretch; gap: 8px;
    padding-top: 10px; margin-top: 10px;
  }
  .aui-card .foot > div { display: flex; align-items: baseline; gap: 5px; flex-wrap: wrap; }
  .aui-price { font-size: 17px; }
  .aui-price small { font-size: 11px; }
  .aui-price-old { font-size: 11px; margin-left: 2px; }
  .aui-sold { display: none; }
  .aui-card .foot .aui-btn-sm { width: 100%; padding: 7px 0; font-size: 12.5px; text-align: center; }

  /* 下单 / 支付 / 结果 / 查询等窄容器 */
  .aui-narrow { padding: 16px 4px 48px; }
  .aui-panel { padding: 16px 14px; border-radius: 16px; }
  .aui-panel-title { font-size: 14px; margin-bottom: 12px; }
  .aui-hint { font-size: 12.5px; }
  .aui-ocard .top { flex-direction: column; }
  .aui-pay-item { flex-wrap: wrap; }
  .aui-codebox { padding: 12px; }
  .aui-codebox .code { font-size: 13.5px; word-break: break-all; letter-spacing: .06em; }
  .aui-steps { gap: 8px; }
  .aui-okico { width: 64px; height: 64px; font-size: 30px; }
  .aui-sec { margin: 30px 0 14px; }
  .aui-sec h2 { font-size: 17px; }
  .aui-alert { font-size: 13px; padding: 11px 13px; }
  .aui-kv { flex-wrap: wrap; }
  .aui-kv .kv-v { word-break: break-all; }
  .aui-back { margin-bottom: 6px; }
  .aui-footer { padding: 22px 14px 30px; font-size: 12px; line-height: 1.8; }
  .aui-mc input, .aui-input, .aui-btn, select.aui-input { font-size: 15px; }
  .aui-btn { -webkit-tap-highlight-color: transparent; }
}