/* ============================================================
   不一订制 · 工作台 V2.0 视觉体系
   墨黑 #1c1b19 · 宣纸白 #f7f5f0 · 古铜金 #9a7b2f
   ============================================================ */
:root {
  --ink: #1c1b19;
  --ink-2: #3a3833;
  --ink-3: #6b675e;
  --paper: #f7f5f0;
  --paper-2: #ffffff;
  --line: #e3ded2;
  --line-2: #d4cdbd;
  --gold: #9a7b2f;
  --gold-2: #b89a4a;
  --gold-bg: #f4eeda;
  --ok: #3d7a4f;
  --ok-bg: #e8f2ea;
  --warn: #a06414;
  --warn-bg: #f9efdd;
  --danger: #a03028;
  --danger-bg: #f8e9e7;
  --muted: #8d887c;
  --primary: var(--ink);
  --border: var(--line);
  --radius: 6px;
  --shadow: 0 1px 3px rgba(28, 27, 25, .06), 0 6px 24px rgba(28, 27, 25, .05);
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: .02em; }
h1 { font-size: 24px; }
h3 { font-size: 15.5px; margin-bottom: 12px; }

/* ---------- 布局 ---------- */
#app { display: flex; min-height: 100vh; }
#sidebar {
  width: 208px; flex: none;
  background: var(--ink);
  color: #cfcbc2;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand { padding: 24px 20px 22px; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand-mark {
  font-family: var(--serif);
  font-size: 26px; font-weight: 600;
  color: #f3efe6; letter-spacing: 0.14em;
  line-height: 1.1;
}
.brand-mark sup { font-size: 10px; color: var(--gold-2); margin-left: 3px; font-weight: 400; }
.brand-slogan {
  font-family: var(--serif);
  font-size: 11.5px; color: var(--gold-2);
  letter-spacing: 0.28em; margin-top: 8px;
  opacity: .88;
}
#nav { flex: 1; padding: 14px 0; overflow-y: auto; }
#nav a {
  display: block; padding: 11px 22px;
  font-size: 13.5px; letter-spacing: .12em; color: #b5b0a5;
  border-left: 3px solid transparent;
  transition: all .15s;
}
#nav a.sub { padding-left: 40px; font-size: 12.5px; color: #8d887c; }
#nav a:hover { color: #fff; background: rgba(255,255,255,.04); }
#nav a.active { color: #fff; border-left-color: var(--gold-2); background: rgba(255,255,255,.06); }
#nav a.sub.active { color: var(--gold-2); }
.sidebar-foot {
  padding: 14px 20px; border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12px; color: #8d887c;
  display: flex; justify-content: space-between; align-items: center;
}
.logout-link { color: #8d887c; }
.logout-link:hover { color: #e8b0aa; }

#main { flex: 1; padding: 26px 30px 60px; max-width: 1180px; min-width: 0; }

/* ---------- 登录 ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(1200px 500px at 70% -10%, #efe9db, transparent),
    var(--paper);
}
.login-card {
  display: flex; background: var(--paper-2);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  max-width: 860px; width: 92%;
}
.login-brand {
  flex: 1; background: var(--ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 48px 40px; gap: 24px;
}
.login-mark {
  font-family: var(--serif);
  font-size: 52px; font-weight: 600;
  color: #f3efe6; letter-spacing: 0.18em;
  line-height: 1;
}
.login-mark .r-mark {
  font-size: 18px; color: var(--gold-2);
  margin-left: 4px; font-weight: 400;
  vertical-align: super;
}
.login-divider {
  width: 56px; height: 1px;
  background: linear-gradient(to right, transparent, var(--gold-2) 30%, var(--gold-2) 70%, transparent);
  opacity: .7;
}
.login-slogan {
  font-family: var(--serif);
  font-size: 19px; color: var(--gold-2);
  letter-spacing: 0.32em; font-weight: 400;
}
.login-form { width: 340px; padding: 48px 40px; }
.login-form h2 { font-family: var(--serif); font-size: 20px; margin-bottom: 26px; letter-spacing: .1em; }
.login-err { color: var(--danger); font-size: 12.5px; min-height: 18px; margin: 2px 0 10px; }
.login-foot { margin-top: 22px; font-size: 11.5px; color: var(--muted); text-align: center; letter-spacing: .2em; }
@media (max-width: 760px) { .login-brand { display: none; } .login-card { max-width: 400px; } }

/* ---------- 通用 ---------- */
.page-title { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 18px; gap: 14px; flex-wrap: wrap; }
.page-sub { font-size: 12.5px; color: var(--muted); margin-top: 4px; letter-spacing: .04em; }

.card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 2px rgba(28,27,25,.03);
}

.btn {
  display: inline-block; padding: 8px 16px;
  font-size: 13px; letter-spacing: .06em;
  background: var(--paper-2); color: var(--ink-2);
  border: 1px solid var(--line-2); border-radius: var(--radius);
  cursor: pointer; user-select: none;
  transition: all .15s; font-family: var(--sans);
  text-decoration: none; text-align: center;
}
.btn:hover { border-color: var(--ink-3); color: var(--ink); }
.btn.primary { background: var(--ink); color: #f3efe6; border-color: var(--ink); }
.btn.primary:hover { background: #33312c; }
.btn.danger { color: var(--danger); border-color: #d8b5b1; }
.btn.danger:hover { background: var(--danger-bg); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn.block { display: block; width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.tag {
  display: inline-block; padding: 2px 10px;
  font-size: 12px; border-radius: 3px;
  background: var(--paper); border: 1px solid var(--line-2); color: var(--ink-3);
}
.tag.ok { background: var(--ok-bg); border-color: #bcd4c2; color: var(--ok); }
.tag.danger { background: var(--danger-bg); border-color: #ddb5b0; color: var(--danger); }
.tag.warn { background: var(--warn-bg); border-color: #e3cfa8; color: var(--warn); }
.tag.gray { background: #efede8; color: var(--muted); }
.tag.click { cursor: pointer; }
.tag.on { background: var(--ink); color: #f3efe6; border-color: var(--ink); }
.badge { display: inline-block; padding: 2px 9px; font-size: 12px; border-radius: 3px; white-space: nowrap; }
.badge.s0 { background: #efede8; color: var(--ink-3); }
.badge.s1 { background: var(--warn-bg); color: var(--warn); }
.badge.s2 { background: var(--gold-bg); color: var(--gold); }
.badge.s3 { background: #e7ecf2; color: #3a5a80; }
.badge.s4 { background: var(--ok-bg); color: var(--ok); }
.badge.s5 { background: #efede8; color: var(--muted); text-decoration: line-through; }

.hint { font-size: 12px; color: var(--muted); }
.req { color: var(--danger); font-style: normal; }
.empty { text-align: center; padding: 40px 20px; color: var(--muted); font-size: 13.5px; }
.empty .big { font-size: 26px; margin-bottom: 10px; font-family: var(--serif); }
.center { text-align: center; }

/* ---------- 表格 ---------- */
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.grid th {
  background: var(--paper); border-bottom: 2px solid var(--ink);
  padding: 9px 10px; font-weight: 600; text-align: left; font-size: 12.5px; letter-spacing: .05em;
}
.grid td { border-bottom: 1px solid var(--line); padding: 9px 10px; vertical-align: middle; }
.grid tr:hover td { background: #fbfaf6; }
.grid tr:last-child td { border-bottom: none; }
.ease-bad { color: var(--danger); font-weight: 700; }

/* ---------- 表单 ---------- */
input, select, textarea {
  font-family: var(--sans); font-size: 13.5px; color: var(--ink);
  border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 8px 12px; background: var(--paper-2);
  transition: border .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(154,123,47,.12);
}
input.err, select.err { border-color: var(--danger); background: #fdf6f5; }
textarea { width: 100%; resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 16px; }
.form-grid .field.span2 { grid-column: span 2; }
.form-grid .field.span3 { grid-column: span 3; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12.5px; color: var(--ink-3); margin-bottom: 5px; letter-spacing: .04em; }
.field input, .field select { width: 100%; }
.filter-bar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { padding: 7px 10px; }

.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 8px 22px; font-size: 13px; }
.kv .item { display: flex; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.kv .k { color: var(--muted); flex: none; min-width: 76px; }

/* ---------- 统计卡片 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px 14px;
}
.stat .v { font-family: var(--serif); font-size: 25px; font-weight: 700; line-height: 1.2; }
.stat .k { font-size: 12px; color: var(--muted); margin-top: 5px; letter-spacing: .06em; }
.stat.hl { background: var(--ink); border-color: var(--ink); }
.stat.hl .v { color: var(--gold-2); }
.stat.hl .k { color: #a09b90; }
.stat.todo-warn { border-color: #e3cfa8; background: #fdf9ee; }

/* 欢迎语 */
.welcome {
  font-family: var(--serif); font-size: 21px; letter-spacing: .06em;
  margin-bottom: 2px;
}
.welcome small { font-size: 12.5px; color: var(--muted); font-family: var(--sans); letter-spacing: .08em; margin-left: 12px; }

/* ---------- tabs ---------- */
.tabs, .profile-tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--ink); margin-bottom: 14px; flex-wrap: wrap; }
.tab, .profile-tabs a {
  padding: 9px 18px; font-size: 13px; cursor: pointer; letter-spacing: .05em;
  color: var(--ink-3); border-radius: 6px 6px 0 0; margin-bottom: -2px;
}
.tab:hover, .profile-tabs a:hover { color: var(--ink); background: #efede6; }
.tab.on, .profile-tabs a.on { background: var(--ink); color: #f3efe6; }

/* ---------- 向导 ---------- */
.wizard-steps { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.wstep {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px; font-size: 12.5px; cursor: pointer; letter-spacing: .04em;
  background: var(--paper-2); border: 1px solid var(--line); border-bottom: 2px solid var(--line);
  color: var(--ink-3); border-radius: 6px 6px 0 0; margin-bottom: -1px;
}
.wstep .num {
  width: 20px; height: 20px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--paper); border: 1px solid var(--line-2); font-size: 11px;
}
.wstep.active { border-bottom-color: var(--ink); color: var(--ink); font-weight: 600; }
.wstep.active .num { background: var(--ink); color: #f3efe6; border-color: var(--ink); }
.wstep.done { color: var(--gold); border-bottom-color: var(--gold-2); }
.wstep.done .num { background: var(--gold-bg); border-color: var(--gold-2); color: var(--gold); }
.wizard-progress { height: 3px; background: var(--line); border-radius: 2px; overflow: hidden; margin-bottom: 14px; }
.wizard-progress .bar { height: 100%; background: var(--gold); transition: width .3s; }
.wizard-footer {
  display: flex; justify-content: space-between; align-items: center;
  position: sticky; bottom: 0; padding: 12px 0;
  background: linear-gradient(transparent, var(--paper) 30%);
}
.measure-table input { width: 100%; padding: 6px 8px; text-align: center; border-radius: 4px; }
.measure-table .ref { color: var(--muted); font-size: 12px; }
.feature-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.search-hits {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 30;
  background: var(--paper-2); border: 1px solid var(--line-2); border-radius: var(--radius);
  box-shadow: var(--shadow); max-height: 280px; overflow-y: auto;
}
.search-hits .hit { padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--line); }
.search-hits .hit:hover { background: var(--paper); }
.search-hits .hit b { display: block; font-size: 13.5px; }
.search-hits .hit span { font-size: 12px; color: var(--muted); }

/* ---------- 照片 ---------- */
.photo-box { display: flex; gap: 14px; flex-wrap: wrap; }
.photo-item { width: 150px; text-align: center; }
.photo-item .img {
  width: 150px; height: 200px;
  border: 1px dashed var(--line-2); border-radius: var(--radius);
  background: var(--paper) center/cover no-repeat;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 12px; cursor: pointer;
  transition: border-color .15s;
}
.photo-item .img:hover { border-color: var(--gold); }
.photo-item .img.dragover { border-color: var(--gold); border-style: solid; background-color: var(--gold-bg); }
.photo-item .cap { font-size: 12px; color: var(--muted); margin-top: 6px; }
.photo-wall { display: flex; flex-wrap: wrap; gap: 10px; }
.photo-wall .p { width: 110px; height: 146px; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.photo-wall img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 附件图片（V2.1 款式定制步骤）---------- */
.attach-upzone {
  border: 1.5px dashed var(--line-2); border-radius: var(--radius);
  padding: 22px 14px; text-align: center; cursor: pointer;
  color: var(--muted); background: var(--paper);
  transition: border-color .15s, background .15s;
}
.attach-upzone:hover, .attach-upzone.dragover { border-color: var(--gold); color: var(--gold); background: var(--gold-bg); }
.attach-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.attach-item { width: 170px; }
.attach-item .img {
  width: 170px; height: 170px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper) center/cover no-repeat;
  cursor: zoom-in; transition: border-color .15s;
}
.attach-item .img:hover { border-color: var(--gold); }
.attach-item .att-meta { margin-top: 6px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.attach-item .att-meta select, .attach-item .att-meta input {
  flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 4px;
  background: var(--card); color: var(--ink);
}

/* ---------- 弹窗 ---------- */
#modal-root .mask {
  position: fixed; inset: 0; background: rgba(28,27,25,.5); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.modal {
  background: var(--paper-2); border-radius: 8px;
  max-width: 92vw; max-height: 90vh; display: flex; flex-direction: column;
  box-shadow: 0 20px 60px rgba(28,27,25,.3);
  border-top: 3px solid var(--gold);
}
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
  font-family: var(--serif); font-size: 16px; letter-spacing: .05em;
}
.x-close { background: none; border: none; font-size: 15px; color: var(--muted); cursor: pointer; padding: 4px 8px; }
.x-close:hover { color: var(--danger); }
.modal-body { padding: 18px 20px; overflow-y: auto; }
.modal-foot { padding: 12px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 8px; }

#toast-root { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--ink); color: #f3efe6; border-radius: var(--radius);
  padding: 10px 16px; font-size: 13px; box-shadow: 0 6px 20px rgba(28,27,25,.3);
  animation: slidein .25s; border-left: 3px solid var(--gold-2);
}
.toast.ok { border-left-color: #7fbf8f; }
.toast.err { border-left-color: #d98a83; }
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- 报告（打印页）---------- */
.report-sheet { background: #fff; padding: 30px 34px; font-size: 13px; line-height: 1.9; }
.report-sheet h1 { text-align: center; font-size: 22px; margin-bottom: 6px; }
.report-sheet h2 { font-size: 15px; border-left: 3px solid var(--gold); padding-left: 10px; margin: 20px 0 10px; }
.report-sheet table { width: 100%; border-collapse: collapse; }
.report-sheet th, .report-sheet td { border: 1px solid #bbb; padding: 6px 10px; font-size: 12.5px; text-align: center; }
.report-sheet th { background: #f0ede6; }
.r-sub { text-align: center; color: var(--muted); margin-bottom: 26px; }
.r-kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px 16px; }
.r-kv div { display: flex; gap: 8px; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.r-kv span { color: var(--muted); flex: none; min-width: 64px; }
@media print {
  body * { visibility: hidden; }
  #print-area, #print-area * { visibility: visible; }
  #print-area { position: absolute; left: 0; top: 0; width: 100%; }
  .no-print { display: none !important; }
}

/* ---------- AI 报告进度弹窗 ---------- */
.ai-btn { background: var(--ink); color: var(--gold-2); border: 1px solid var(--ink); }
.ai-btn:hover { color: #fff; }
.ai-spin { width: 22px; height: 22px; border: 3px solid #e3ded2; border-top-color: var(--gold); border-radius: 50%; animation: ai-rotate .8s linear infinite; flex: none; }
@keyframes ai-rotate { to { transform: rotate(360deg); } }
.ai-log { max-height: 260px; overflow-y: auto; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; font-size: 12.5px; line-height: 1.9; }
.ai-log-line { color: var(--ink-2); white-space: pre-wrap; }
.ai-log-line.lv-warn { color: #a05a00; }
.ai-log-line.lv-error { color: var(--danger); font-weight: 600; }
.ai-log-line.lv-ok { color: var(--ok); font-weight: 600; }
.ai-done { background: var(--ok-bg); border: 1px solid #b7e4c7; color: #14683a; border-radius: var(--radius); padding: 12px 14px; font-size: 13.5px; }
.ai-err { background: var(--danger-bg); border: 1px solid #f5c2c2; color: #a01d1d; border-radius: var(--radius); padding: 12px 14px; font-size: 13.5px; }

/* ---------- 基础数据 ---------- */
.opt-cat { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px dashed var(--line); }
.st-in, .sc-in, .org-in { border: none; font-size: 13px; background: transparent; }
.st-in:focus, .sc-in:focus, .org-in:focus { box-shadow: none; border-bottom: 1px solid var(--gold); border-radius: 0; }
.compare-tabs select { padding: 6px 10px; }

/* ---------- 资料库 ---------- */
.mat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.mat-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; background: var(--paper-2); display: flex; flex-direction: column; }
.mat-card .t { font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.mat-card .d { font-size: 12.5px; color: var(--ink-3); line-height: 1.7; margin-bottom: 10px; flex: 1; }
.mat-card .m { font-size: 11.5px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.mat-card .thumb { width: 100%; height: 150px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line); margin-bottom: 10px; }
.mat-card .content { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 10px; font-size: 12.5px; max-height: 130px; overflow-y: auto; white-space: pre-wrap; margin-bottom: 10px; }

/* 拖拽区 */
.dropzone {
  border: 2px dashed var(--line-2); border-radius: var(--radius);
  padding: 26px 16px; text-align: center; color: var(--muted); font-size: 13px;
  cursor: pointer; transition: all .15s; background: var(--paper);
}
.dropzone:hover, .dropzone.dragover { border-color: var(--gold); color: var(--gold); background: var(--gold-bg); }

/* ---------- 账号管理 ---------- */
.role-tag { padding: 2px 10px; font-size: 12px; border-radius: 3px; }
.role-tag.admin { background: var(--ink); color: var(--gold-2); }
.role-tag.sales { background: var(--gold-bg); color: var(--gold); }
.role-tag.merch { background: #e7ecf2; color: #3a5a80; }

/* ---------- 报告中心 ---------- */
.rep-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; }
.rep-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.rep-dot.running { background: var(--gold); animation: pulse 1.2s infinite; }
.rep-dot.done { background: var(--ok); }
.rep-dot.error { background: var(--danger); }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------- 品类选择卡片（V2.1 录单向导 Step2）---------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 6px; }
.cat-card {
  display: flex; align-items: flex-start; gap: 12px; padding: 18px 16px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  cursor: pointer; transition: border-color .15s, background .15s, box-shadow .15s;
  user-select: none;
}
.cat-card:hover { border-color: var(--gold); }
.cat-card.on {
  border-color: var(--gold); background: var(--cream, #FBF7EE);
  box-shadow: inset 0 0 0 1px var(--gold), 0 2px 10px rgba(154,123,47,.12);
}
.cat-check {
  width: 22px; height: 22px; border-radius: 50%; flex: none; margin-top: 2px;
  border: 1.5px solid var(--line-2, #d8d2c4); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
}
.cat-card.on .cat-check { background: var(--gold); border-color: var(--gold); }
.cat-name { font-size: 16px; font-weight: 700; color: var(--ink); font-family: var(--serif, 'Songti SC', serif); }
.cat-sub { font-size: 12px; color: var(--gold); margin: 2px 0 4px; letter-spacing: .04em; }
@media (max-width: 1100px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cat-grid { grid-template-columns: 1fr; } }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  #app { flex-direction: column; }
  #sidebar { width: 100%; flex-direction: row; align-items: center; padding: 8px; height: auto; position: static; }
  .brand { border: none; padding: 0 10px; }
  .brand-logo { width: 110px; }
  #nav { flex-direction: row; padding: 0 6px; display: flex; overflow-x: auto; }
  #nav a { padding: 8px 12px; border-left: none; border-bottom: 3px solid transparent; }
  #nav a.active { border-left: none; border-bottom-color: var(--gold-2); }
  #nav a.sub { display: none; }
  .sidebar-foot { display: none; }
  #main { padding: 16px 14px 40px; }
  .form-grid { grid-template-columns: 1fr 1fr; }
}