:root {
  --catalog-ink: #143043;
  --catalog-muted: #637685;
  --catalog-line: #d9e3e8;
  --catalog-paper: #ffffff;
  --catalog-wash: #f3f7f8;
  --catalog-teal: #167a78;
  --catalog-teal-dark: #0d5658;
  --catalog-copper: #b76b32;
}

* { box-sizing: border-box; }
html { font-family: Arial, "Microsoft YaHei", sans-serif; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
.catalog-page nav { background: #143043; color: #fff; }
.catalog-page .nav-inner { display: flex; align-items: stretch; max-width: 1240px; min-height: 62px; margin: 0 auto; padding: 0 28px; }
.catalog-page .nav-inner > a { display: flex; align-items: center; padding: 0 16px; font-size: 14px; }
.catalog-page .nav-inner > a:hover { background: rgba(255,255,255,.1); }
.catalog-page .brand { margin-right: auto; padding-left: 0 !important; font-size: 17px !important; font-weight: 800; }
.catalog-page .brand small { display: block; margin-left: 8px; color: #9bc8c7; font-size: 10px; letter-spacing: .08em; }
.catalog-page .nav-label { display: grid; gap: 2px; }
.catalog-page .nav-en { color: #a9c2cb; font-size: 10px; }
.catalog-page footer { padding: 28px; background: #143043; color: #dfeaec; text-align: center; font-size: 12px; }
.catalog-page footer p { margin: 4px 0; }
.catalog-page { background: var(--catalog-wash); color: var(--catalog-ink); }
.catalog-page nav a[aria-current="page"] { background: rgba(255,255,255,.14); }
.catalog-hero {
  max-width: 1240px;
  margin: 0 auto;
  padding: 52px 28px 34px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 40px;
}
.catalog-hero h1 { margin: 0; font-size: clamp(34px, 5vw, 62px); line-height: 1; letter-spacing: -.045em; }
.catalog-hero-mark { display: grid; color: #d3dfe2; font-size: 52px; line-height: .72; font-weight: 900; letter-spacing: -.08em; text-align: right; user-select: none; }

.catalog-container { max-width: 1240px; margin: 0 auto; padding: 0 28px 70px; }
.catalog-shell { display: grid; grid-template-columns: 258px minmax(0, 1fr); min-height: 720px; border: 1px solid var(--catalog-line); background: var(--catalog-paper); box-shadow: 0 24px 70px rgba(26,54,68,.09); }
.catalog-sidebar { border-right: 1px solid var(--catalog-line); background: #f9fbfb; }
.catalog-sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 24px 22px 14px; }
.catalog-sidebar-head h2 { margin: 0; font-size: 18px; }
.catalog-sidebar-head span { min-width: 30px; padding: 4px 8px; border-radius: 20px; background: #dcebea; color: var(--catalog-teal-dark); font-size: 12px; text-align: center; }
.catalog-search { display: block; padding: 0 14px 14px; }
.catalog-search input { width: 100%; min-height: 42px; padding: 0 13px; border: 1px solid var(--catalog-line); border-radius: 6px; background: #fff; color: var(--catalog-ink); }
.catalog-search input:focus { outline: 3px solid rgba(22,122,120,.16); border-color: var(--catalog-teal); }
.catalog-category-list { padding: 0 10px 20px; }
.catalog-category-button { width: 100%; display: grid; grid-template-columns: 32px minmax(0,1fr); gap: 8px; align-items: center; padding: 11px 12px; border: 0; border-left: 3px solid transparent; background: transparent; color: #405563; text-align: left; cursor: pointer; }
.catalog-category-button + .catalog-category-button { border-top: 1px solid #edf1f2; }
.catalog-category-button .index { color: #9aabb4; font-size: 11px; }
.catalog-category-button strong { display: block; font-size: 14px; }
.catalog-category-button small { display: block; margin-top: 2px; color: #87969e; font-size: 11px; }
.catalog-category-button:hover { background: #eef5f4; }
.catalog-category-button.is-active { border-left-color: var(--catalog-teal); background: #e2efee; color: var(--catalog-teal-dark); }
.catalog-category-button:focus-visible { outline: 3px solid rgba(22,122,120,.25); outline-offset: -3px; }

.catalog-workspace { min-width: 0; padding: 32px 38px 48px; }
.catalog-workspace-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; border-bottom: 1px solid var(--catalog-line); padding-bottom: 24px; }
.catalog-product-index { margin: 0 0 8px; color: var(--catalog-copper); font-weight: 700; font-size: 12px; }
.catalog-workspace-head h2 { margin: 0; font-size: 30px; letter-spacing: -.025em; }

.catalog-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 210px)); gap: 10px; margin: 26px 0 20px; }
.catalog-tab { min-height: 62px; padding: 10px 16px; border: 1px solid var(--catalog-line); border-radius: 8px; background: #fff; color: var(--catalog-muted); text-align: left; cursor: pointer; }
.catalog-tab span, .catalog-tab small { display: block; }
.catalog-tab span { color: var(--catalog-ink); font-weight: 800; font-size: 16px; }
.catalog-tab small { margin-top: 2px; font-size: 11px; }
.catalog-tab.is-active { border-color: var(--catalog-teal); background: var(--catalog-teal); color: #d9f0ee; }
.catalog-tab.is-active span { color: #fff; }
.catalog-tab:focus-visible { outline: 3px solid rgba(22,122,120,.22); outline-offset: 2px; }
.catalog-series-directory { margin: 0 0 22px; padding: 14px 16px; border: 1px solid var(--catalog-line); background: #fafcfc; }
.catalog-series-directory p { margin: 0 0 9px; color: var(--catalog-muted); font-size: 11px; font-weight: 800; letter-spacing: .04em; }
.catalog-series-directory div { display: flex; flex-wrap: wrap; gap: 7px; }
.catalog-series-directory span { padding: 6px 9px; border: 1px solid #d8e2e5; border-radius: 99px; color: #697d88; background: #fff; font-size: 12px; }
.catalog-series-directory span.has-docs { border-color: #9bc9c7; color: var(--catalog-teal-dark); background: #e6f3f2; font-weight: 800; }
.catalog-series-list { display: grid; gap: 30px; }
.catalog-series { border-top: 1px solid var(--catalog-line); padding-top: 18px; }
.catalog-series-head { display: flex; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.catalog-series-head h3 { margin: 0; font-size: 18px; }
.catalog-series-head span { color: #8a9aa3; font-size: 12px; }
.catalog-document-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.catalog-document { min-width: 0; border: 1px solid var(--catalog-line); background: #fff; }
.catalog-document-cover { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #dce6e8; }
.catalog-document-cover::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg,transparent 0 17px,rgba(255,255,255,.38) 17px 22px); }
.catalog-document-cover.swatch::before { background: linear-gradient(135deg,#2f4e49 0 25%,#d4bd92 25% 50%,#915f42 50% 75%,#cbd0c5 75%); }
.catalog-document-cover .file-kind { position: absolute; left: 12px; top: 12px; padding: 5px 8px; background: rgba(255,255,255,.9); color: var(--catalog-teal-dark); font-size: 10px; font-weight: 800; }
.catalog-document-cover .file-code { position: absolute; right: 12px; bottom: 10px; color: rgba(20,48,67,.58); font-size: 34px; font-weight: 900; letter-spacing: -.05em; }
.catalog-document-body { padding: 14px; }
.catalog-upload-date { display: block; margin: -4px 0 10px; color: #87969e; font-size: 11px; }
.catalog-document-body h4 { min-height: 42px; margin: 0 0 12px; font-size: 14px; line-height: 1.45; }
.catalog-document-action { display: flex; justify-content: space-between; align-items: center; min-height: 34px; border-top: 1px solid #edf1f2; padding-top: 10px; color: var(--catalog-teal-dark); font-size: 12px; font-weight: 800; }
.catalog-document.is-pending .catalog-document-cover { filter: grayscale(.35); opacity: .72; }
.catalog-document.is-pending .catalog-document-action { color: #8b979c; }
.catalog-document a { color: inherit; }
.catalog-empty { padding: 50px 24px; border: 1px dashed #b9c8ce; background: #fafcfc; text-align: center; }
.catalog-empty strong { display: block; margin-bottom: 6px; }
.catalog-empty p { margin: 0; color: var(--catalog-muted); }
.catalog-mobile-picker { display: none; }
.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 (max-width: 960px) {
  .catalog-document-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-workspace { padding: 28px; }
}
@media (max-width: 760px) {
  .catalog-hero { padding: 34px 18px 24px; grid-template-columns: 1fr; }
  .catalog-hero-mark { display: none; }
  .catalog-container { padding: 0 12px 46px; }
  .catalog-mobile-picker { display: grid; gap: 7px; margin-bottom: 12px; font-size: 13px; font-weight: 700; }
  .catalog-mobile-picker select { min-height: 46px; padding: 0 12px; border: 1px solid var(--catalog-line); border-radius: 6px; background: #fff; }
  .catalog-shell { display: block; min-height: 0; }
  .catalog-sidebar { display: none; }
  .catalog-workspace { padding: 22px 16px 34px; }
  .catalog-workspace-head { align-items: start; }
  .catalog-tabs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .catalog-document-grid { grid-template-columns: 1fr; }
  .catalog-workspace-head { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}