:root {
  --paper: #F7F4ED;
  --paper-2: #FFFDF8;
  --ink: #1C1A17;
  --ink-2: #55504A;
  --ink-3: #8A837A;
  --line: #E2DCD0;
  --cinnabar: #C1442E;
  --cinnabar-soft: #F6E7E3;
  --celadon: #4A7C6F;
  --celadon-soft: #E4EFEB;
  --indigo: #2E4A7D;
  --indigo-soft: #E5EAF3;
  --ochre: #A9743A;
  --gold: #C9A227;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(28, 26, 23, .06), 0 4px 16px rgba(28, 26, 23, .05);
  --shadow-lg: 0 8px 32px rgba(28, 26, 23, .12);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", "SimSun", "Noto Serif SC", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: 14px; color: inherit; }

/* ---------- layout ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247, 244, 237, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 60px; display: flex; align-items: center; gap: 32px;
}
.logo {
  font-family: var(--serif); font-size: 20px; font-weight: 600;
  letter-spacing: .18em; color: var(--cinnabar); display: flex; align-items: center; gap: 8px;
}
.logo-mark {
  width: 26px; height: 26px; border: 1.5px solid var(--cinnabar);
  border-radius: 50%; display: grid; place-items: center;
}
.logo-mark::after {
  content: ''; width: 10px; height: 10px; background: var(--cinnabar);
  transform: rotate(45deg);
}
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a {
  padding: 6px 14px; border-radius: 999px; color: var(--ink-2);
  font-size: 14px; transition: .15s;
}
.nav-links a:hover { background: rgba(193, 68, 46, .07); color: var(--ink); }
.nav-links a.active { background: var(--cinnabar); color: #fff; }
.nav-right { display: flex; align-items: center; gap: 12px; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.page { padding: 32px 0 80px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px; border-radius: var(--radius); font-size: 14px;
  background: var(--ink); color: #fff; transition: .15s; white-space: nowrap;
}
.btn:hover { opacity: .88; }
.btn-primary { background: var(--cinnabar); }
.btn-outline { background: transparent; border: 1px solid var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--ink-3); background: rgba(0,0,0,.02); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--ink-2); }
.btn-ghost:hover { color: var(--cinnabar); }

/* ---------- form ---------- */
.field { margin-bottom: 16px; }
.label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.input, .select, .textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--paper-2); outline: none; transition: .15s;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--cinnabar); background: #fff; }
.textarea { resize: vertical; min-height: 88px; line-height: 1.7; }

/* ---------- card ---------- */
.card {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-pad { padding: 20px; }

/* ---------- pattern grid ---------- */
.grid-patterns {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.pcard { cursor: pointer; transition: .2s; overflow: hidden; }
.pcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.pcard-thumb {
  aspect-ratio: 1; background: #fff; position: relative;
  display: grid; place-items: center; border-bottom: 1px solid var(--line);
}
.pcard-thumb svg { width: 100%; height: 100%; display: block; }
.pcard-body { padding: 12px 14px 14px; }
.pcard-title { font-family: var(--serif); font-size: 15px; margin-bottom: 4px; }
.pcard-meta { font-size: 12px; color: var(--ink-3); display: flex; gap: 8px; flex-wrap: wrap; }
.fav-btn {
  position: absolute; top: 10px; right: 10px; width: 30px; height: 30px;
  border-radius: 50%; background: rgba(255,255,255,.9); border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 15px; color: var(--ink-3); transition: .15s;
}
.fav-btn:hover { transform: scale(1.08); }
.fav-btn.on { color: var(--cinnabar); border-color: var(--cinnabar); }

/* ---------- tag / chip ---------- */
.tag {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; background: rgba(0,0,0,.04); color: var(--ink-2);
  border: 1px solid transparent;
}
.tag-craft { background: var(--celadon-soft); color: var(--celadon); }
.tag-region { background: var(--indigo-soft); color: var(--indigo); }
.tag-meaning { background: var(--cinnabar-soft); color: var(--cinnabar); }
.chip {
  padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line);
  font-size: 13px; background: var(--paper-2); color: var(--ink-2); transition: .15s;
}
.chip:hover { border-color: var(--ink-3); }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- filter bar ---------- */
.filters { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.filter-label { font-size: 13px; color: var(--ink-3); min-width: 48px; }
.search-bar { display: flex; gap: 8px; }
.search-bar .input { flex: 1; }

/* ---------- page header ---------- */
.page-head { margin-bottom: 28px; }
.page-title { font-family: var(--serif); font-size: 26px; margin-bottom: 6px; }
.page-sub { color: var(--ink-2); font-size: 14px; }
.breadcrumb { font-size: 13px; color: var(--ink-3); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--cinnabar); }

/* ---------- detail ---------- */
.detail-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px; align-items: start; }
.viewer {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; position: relative;
}
.viewer-stage {
  aspect-ratio: 1; overflow: hidden; cursor: grab;
  background:
    linear-gradient(45deg, #faf8f4 25%, transparent 25%, transparent 75%, #faf8f4 75%),
    linear-gradient(45deg, #faf8f4 25%, #fff 25%, #fff 75%, #faf8f4 75%);
  background-size: 24px 24px; background-position: 0 0, 12px 12px;
  display: grid; place-items: center; position: relative;
}
.viewer-stage:active { cursor: grabbing; }
.viewer-stage svg { width: 100%; height: 100%; transition: transform .18s ease-out; will-change: transform; }
.viewer-bar {
  display: flex; align-items: center; gap: 8px; padding: 10px 12px;
  border-top: 1px solid var(--line); background: var(--paper-2);
}
.zoom-level { font-size: 12px; color: var(--ink-3); min-width: 52px; text-align: center; font-variant-numeric: tabular-nums; }
.viewer-hint {
  position: absolute; left: 12px; bottom: 12px; font-size: 12px; color: var(--ink-3);
  background: rgba(255,255,255,.85); padding: 3px 8px; border-radius: 6px;
}

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.tab {
  padding: 10px 16px; font-size: 14px; color: var(--ink-3);
  border-bottom: 2px solid transparent; margin-bottom: -1px; transition: .15s;
}
.tab:hover { color: var(--ink); }
.tab.on { color: var(--cinnabar); border-bottom-color: var(--cinnabar); }
.tab-panel { display: none; }
.tab-panel.on { display: block; }

/* ---------- studio ---------- */
.studio-grid { display: grid; grid-template-columns: 320px 1fr; gap: 24px; align-items: start; }
.mode-cards { display: grid; gap: 8px; margin-bottom: 20px; }
.mode-card {
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-2); cursor: pointer; transition: .15s;
}
.mode-card:hover { border-color: var(--ink-3); }
.mode-card.on { border-color: var(--cinnabar); background: var(--cinnabar-soft); }
.mode-card-title { font-size: 14px; font-weight: 500; margin-bottom: 2px; }
.mode-card-desc { font-size: 12px; color: var(--ink-3); }

.canvas-area {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  min-height: 460px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 24px; position: relative;
}
.result-grid { display: grid; gap: 16px; width: 100%; }
.result-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.result-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.result-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.result-item {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--paper-2); position: relative; transition: .15s; cursor: pointer;
}
.result-item:hover { border-color: var(--ink-3); }
.result-item.picked { border-color: var(--cinnabar); border-width: 2px; }
.result-item svg { width: 100%; aspect-ratio: 1; display: block; }
.result-foot {
  padding: 8px 10px; font-size: 12px; color: var(--ink-3);
  display: flex; justify-content: space-between; align-items: center;
}
.empty-hint { text-align: center; color: var(--ink-3); }
.empty-hint .big { font-size: 40px; margin-bottom: 12px; opacity: .25; }

.progress {
  height: 4px; background: var(--line); border-radius: 999px; overflow: hidden; width: 260px;
}
.progress-bar { height: 100%; background: var(--cinnabar); width: 0; transition: width .2s; }

.slider-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.slider-row label { font-size: 13px; color: var(--ink-2); min-width: 62px; }
.slider-row input[type=range] { flex: 1; accent-color: var(--cinnabar); }
.slider-val { font-size: 12px; color: var(--ink-3); min-width: 34px; text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- license ---------- */
.license-opts { display: grid; gap: 12px; }
.license-opt {
  padding: 16px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-2); cursor: pointer; transition: .15s;
}
.license-opt:hover { border-color: var(--ink-3); }
.license-opt.on { border-color: var(--cinnabar); background: var(--cinnabar-soft); }
.license-opt-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; }
.license-opt-title { font-size: 15px; font-weight: 500; }
.license-opt-price { font-family: var(--serif); font-size: 18px; color: var(--cinnabar); }
.license-opt-desc { font-size: 13px; color: var(--ink-2); }

.price-box {
  background: var(--ink); color: #fff; border-radius: var(--radius); padding: 20px;
}
.price-row { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 8px; opacity: .8; }
.price-total {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid rgba(255,255,255,.2); padding-top: 12px; margin-top: 4px;
}
.price-total .num { font-family: var(--serif); font-size: 26px; color: var(--gold); }

.cert {
  background: linear-gradient(180deg, #fffdf8, #f7f2e6);
  border: 2px solid var(--gold); border-radius: var(--radius);
  padding: 32px; text-align: center; position: relative;
}
.cert::before {
  content: ''; position: absolute; inset: 8px; border: 1px solid rgba(201,162,39,.4);
  border-radius: 4px; pointer-events: none;
}
.cert-title { font-family: var(--serif); font-size: 22px; letter-spacing: .3em; margin-bottom: 20px; }
.cert-line { display: flex; justify-content: space-between; font-size: 13px; padding: 6px 0; border-bottom: 1px dashed rgba(0,0,0,.12); }
.cert-line span:last-child { color: var(--ink-2); }
.cert-hash {
  font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 11px;
  word-break: break-all; background: rgba(0,0,0,.04); padding: 10px; border-radius: 6px; margin-top: 16px; text-align: left;
}
/* 品牌名较长（锦绣智绘·纹藏），8 个字符在 88px 印章里会溢出，故略放大并收紧字距 */
.seal {
  width: 96px; height: 96px; border: 2.5px solid var(--cinnabar); border-radius: 6px;
  display: grid; place-items: center; margin: 20px auto 0; transform: rotate(-8deg);
  color: var(--cinnabar); font-family: var(--serif); font-size: 10.5px; line-height: 1.3;
  letter-spacing: .04em; opacity: .85; text-align: center; padding: 4px;
}

/* ---------- auth ---------- */
.auth-wrap { max-width: 400px; margin: 48px auto; padding: 0 24px; }
.auth-card { padding: 32px; }
.auth-title { font-family: var(--serif); font-size: 22px; text-align: center; margin-bottom: 4px; }
.auth-sub { text-align: center; color: var(--ink-3); font-size: 13px; margin-bottom: 24px; }
.code-row { display: flex; gap: 8px; }
.code-row .input { flex: 1; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--ink-3); font-size: 12px; margin: 20px 0; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.wx-btn {
  width: 100%; padding: 11px; border-radius: var(--radius);
  background: #07C160; color: #fff; font-size: 14px; display: flex;
  align-items: center; justify-content: center; gap: 8px;
}
.role-note {
  margin-top: 20px; padding: 12px; background: var(--celadon-soft);
  border-radius: var(--radius); font-size: 12px; color: var(--celadon); line-height: 1.7;
}

/* ---------- misc ---------- */
.section-title {
  font-family: var(--serif); font-size: 18px; margin-bottom: 14px;
  display: flex; align-items: baseline; gap: 10px;
}
.section-title .more { font-size: 13px; color: var(--ink-3); font-family: var(--sans); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.stat { padding: 16px; text-align: center; }
.stat-num { font-family: var(--serif); font-size: 24px; color: var(--cinnabar); }
.stat-label { font-size: 12px; color: var(--ink-3); margin-top: 2px; }

.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: #fff; padding: 10px 20px; border-radius: 999px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: .25s; z-index: 999;
  box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.badge-role {
  font-size: 11px; padding: 2px 8px; border-radius: 4px; background: var(--ink);
  color: #fff; vertical-align: middle; margin-left: 6px;
}
.badge-role.creator { background: var(--cinnabar); }
.badge-role.designer { background: var(--celadon); }
.badge-role.admin { background: var(--indigo); }

.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--line); }
.table th { color: var(--ink-3); font-weight: 400; font-size: 12px; }
.status { font-size: 12px; padding: 2px 8px; border-radius: 4px; background: rgba(0,0,0,.05); color: var(--ink-2); }
.status.ok { background: var(--celadon-soft); color: var(--celadon); }
.status.warn { background: #FDF3E0; color: var(--ochre); }

.hero {
  background: var(--ink); color: #fff; border-radius: 14px; padding: 40px;
  margin-bottom: 32px; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center;
}
.hero h1 { font-family: var(--serif); font-size: 30px; font-weight: 500; margin-bottom: 10px; letter-spacing: .05em; }
.hero p { opacity: .75; margin-bottom: 20px; max-width: 460px; }
.hero-art { width: 180px; height: 180px; opacity: .92; }

.prototype-note {
  background: #FDF3E0; border: 1px solid #EFD9A8; border-radius: var(--radius);
  padding: 10px 14px; font-size: 12px; color: #7A5A18; margin-bottom: 20px; line-height: 1.7;
}

@media (max-width: 900px) {
  .detail-grid, .studio-grid { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .nav-links { display: none; }
}