@font-face {
  font-family: "Smiley Sans";
  src: url("../fonts/SmileySans-Oblique.woff2") format("woff2");
  font-display: swap;
  font-style: oblique;
  font-weight: 100 900;
}

:root {
  --page: #f3f7f6;
  --surface: #ffffff;
  --surface-soft: #e9f0f0;
  --surface-strong: #dce8e9;
  --ink: #122b33;
  --muted: #60777e;
  --line: #d5e0e1;
  --blue: #1468d4;
  --blue-strong: #0c4fa5;
  --blue-soft: #e4efff;
  --orange: #f2652f;
  --shadow: 0 18px 48px rgba(31, 64, 72, .12);
  --shadow-hover: 0 14px 30px rgba(31, 64, 72, .16);
  --focus: 0 0 0 4px rgba(20, 104, 212, .18);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --max-width: 1540px;
  --display-font: "Noto Sans SC", "Microsoft YaHei UI", sans-serif;
}

:root[data-display-font="smiley"] {
  --display-font: "Smiley Sans", "Noto Sans SC", sans-serif;
}

:root[data-display-font="wenkai"] {
  --display-font: "LXGW WenKai Screen", "Noto Sans SC", sans-serif;
}

:root[data-theme="dark"] {
  --page: #0c151a;
  --surface: #142128;
  --surface-soft: #1a2a31;
  --surface-strong: #22353d;
  --ink: #edf6f5;
  --muted: #a3b8bc;
  --line: #30444c;
  --blue: #66a8ff;
  --blue-strong: #9bc7ff;
  --blue-soft: #173557;
  --orange: #ff8153;
  --shadow: 0 20px 56px rgba(0, 0, 0, .28);
  --shadow-hover: 0 16px 34px rgba(0, 0, 0, .34);
  --focus: 0 0 0 4px rgba(102, 168, 255, .2);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  background: var(--page);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: "Microsoft YaHei UI", "Noto Sans SC", sans-serif;
  transition: color 220ms ease, background 220ms ease;
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: color-mix(in srgb, var(--page) 92%, transparent);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(calc(100% - 40px), var(--max-width));
  min-height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(260px, 560px) auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: var(--ink);
  transform: rotate(45deg);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 6px 15px;
  border-radius: 999px;
  background: var(--page);
  box-shadow: 0 0 0 4px var(--ink);
}

.brand-mark::after {
  transform: rotate(90deg);
}

.brand-copy strong {
  display: block;
  font-family: var(--display-font);
  font-size: 17px;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 11px;
}

.global-search {
  position: relative;
}

.global-search svg {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 18px;
  height: 18px;
  color: var(--muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.global-search input {
  width: 100%;
  height: 46px;
  padding: 0 48px 0 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--surface);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.global-search input::placeholder {
  color: color-mix(in srgb, var(--muted) 82%, transparent);
}

.global-search input:focus {
  border-color: var(--blue);
  outline: none;
  box-shadow: var(--focus);
}

.search-shortcut {
  position: absolute;
  top: 50%;
  right: 12px;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  background: var(--surface-soft);
  font: 600 10px/1.4 Bahnschrift, sans-serif;
  transform: translateY(-50%);
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 30;
  width: 100%;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: 0 18px 50px rgba(24, 49, 58, .18);
  backdrop-filter: blur(18px);
}

.search-results[hidden] {
  display: none;
}

.search-result {
  width: 100%;
  min-height: 52px;
  padding: 9px 11px;
  border: 0;
  border-radius: 11px;
  color: var(--ink);
  background: transparent;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  text-align: left;
  cursor: pointer;
}

.search-result:hover,
.search-result:focus-visible {
  background: var(--surface-soft);
  outline: none;
}

.search-result-name {
  min-width: 0;
}

.search-result-name strong {
  display: block;
  font-family: var(--display-font);
  font-size: 13px;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.search-result-alternate {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font: 700 10px/1.2 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  letter-spacing: .025em;
  overflow-wrap: anywhere;
}

.search-result-structure {
  align-self: center;
  padding: 3px 7px;
  border-radius: 999px;
  color: var(--blue-strong);
  background: color-mix(in srgb, var(--blue) 12%, var(--surface));
  font-size: 10px;
  font-weight: 800;
}

.search-result-meta {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11px;
}

.search-results-empty {
  margin: 0;
  padding: 14px 12px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.theme-toggle,
.submission-trigger {
  min-width: 90px;
  height: 40px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease;
}

.theme-toggle:hover,
.submission-trigger:hover {
  background: var(--surface-soft);
  transform: translateY(-1px);
}

.submission-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 104px;
  border-color: color-mix(in srgb, var(--blue) 24%, var(--line));
  border-radius: var(--radius-md);
  color: var(--blue-strong);
  background: color-mix(in srgb, var(--blue) 7%, var(--surface));
  box-shadow: 0 6px 18px rgba(18, 43, 51, .08);
}

.submission-trigger svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.submission-trigger[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--blue) 32%, transparent);
  background: color-mix(in srgb, var(--blue) 13%, var(--surface));
  box-shadow: 0 8px 22px rgba(18, 43, 51, .12);
}

.submission-trigger:hover {
  background: color-mix(in srgb, var(--blue) 11%, var(--surface));
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.submission-control {
  position: relative;
}

.font-select {
  width: 116px;
  height: 40px;
  padding: 0 30px 0 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  font-size: 12px;
  font-weight: 700;
}

.page {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 34px 0 72px;
}

.site-footer {
  width: min(calc(100% - 40px), var(--max-width));
  margin: -32px auto 0;
  padding: 0 0 30px;
  text-align: right;
}

.privacy-link,
.privacy-back {
  display: inline-block;
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  text-decoration-color: color-mix(in srgb, var(--muted) 52%, transparent);
  text-underline-offset: 3px;
}

.privacy-link:hover,
.privacy-back:hover {
  color: var(--blue-strong);
}

.privacy-page {
  width: min(calc(100% - 40px), 780px);
  margin: 0 auto;
  padding: clamp(34px, 7vw, 76px) 0 72px;
}

.privacy-back {
  margin-bottom: 30px;
}

.privacy-intro {
  margin-bottom: 28px;
}

.privacy-kicker {
  margin: 0 0 10px;
  color: var(--blue-strong);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.privacy-intro h1 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.privacy-intro p {
  max-width: 62ch;
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.privacy-section {
  margin-top: 16px;
  padding: clamp(20px, 4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(31, 64, 72, .07);
}

.privacy-section h2 {
  margin: 0 0 12px;
  font-family: var(--display-font);
  font-size: 20px;
  letter-spacing: -.02em;
}

.privacy-section p,
.privacy-section li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.privacy-section ul {
  margin: 0;
  padding-left: 1.2em;
}

.privacy-control {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.privacy-status {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.privacy-actions {
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
}

.privacy-action {
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface-soft);
  font-weight: 800;
}

.privacy-action:hover,
.privacy-action[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--blue) 38%, var(--line));
  background: var(--blue-soft);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--blue);
  font: 700 12px/1 Bahnschrift, sans-serif;
  letter-spacing: .08em;
}

.section-label::before {
  content: "";
  width: 24px;
  height: 3px;
  border-radius: 99px;
  background: var(--orange);
}

.inspection-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.aircraft-library-jump {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid color-mix(in srgb, var(--blue) 24%, var(--line));
  border-radius: var(--radius-sm);
  color: var(--blue-strong);
  background: color-mix(in srgb, var(--blue) 7%, var(--surface));
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.aircraft-library-jump svg {
  width: 15px;
  height: 15px;
}

.aircraft-library-jump:hover {
  border-color: color-mix(in srgb, var(--blue) 38%, var(--line));
  background: color-mix(in srgb, var(--blue) 11%, var(--surface));
  transform: translateY(-1px);
}

.parameter-identity {
  container-type: inline-size;
  margin: -8px -6px 22px;
  padding: 18px 16px;
  border: 1px solid color-mix(in srgb, var(--blue) 28%, var(--line));
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--blue-soft) 86%, var(--surface)), var(--surface));
  box-shadow: inset 0 3px 0 var(--blue);
}

.parameter-identity h1 {
  margin: 12px 0 0;
  font-family: var(--display-font);
  font-size: clamp(1.25rem, 8.5cqi, 2rem);
  line-height: 1.08;
  letter-spacing: -.03em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.selected-alternate-name {
  margin: 6px 0 0;
  color: var(--muted);
  font: 700 12px/1.2 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  letter-spacing: .035em;
  overflow-wrap: anywhere;
}

.parameter-identity .model-tags {
  margin: 0;
}

.composition-tags {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 7px;
  min-height: 26px;
  margin-top: 12px;
}

.composition-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.composition-chip--material {
  border-color: #323a3d;
  color: #f4f7f7;
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, .045) 0 3px, transparent 3px 7px),
    #121719;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1);
}

.composition-chip--dynamic-material {
  position: relative;
  isolation: isolate;
  max-width: 100%;
  padding: 0;
  overflow: hidden;
  border-color: color-mix(
    in srgb,
    var(--composition-material-color) 72%,
    var(--composition-material-foreground)
  );
  color: var(--composition-material-foreground);
  background: var(--composition-material-color);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--composition-material-foreground) 14%, transparent),
    0 1px 2px rgba(18, 43, 51, .12);
}

.composition-chip__sizer {
  display: block;
  min-width: 0;
  padding: 6px calc(10px + var(--composition-extra-colors) * 12px) 6px 10px;
  overflow: hidden;
  visibility: hidden;
  text-overflow: clip;
}

.composition-chip__surface,
.composition-chip__segment,
.composition-chip__label {
  position: absolute;
  inset: 0;
}

.composition-chip__surface {
  z-index: 0;
}

.composition-chip__segment {
  --composition-segment-slant: 3.5px;
  overflow: hidden;
  background: var(--composition-segment-color);
  clip-path: polygon(
    calc(var(--composition-segment-start) - var(--composition-segment-slant)) 0,
    calc(var(--composition-segment-end) - var(--composition-segment-slant)) 0,
    calc(var(--composition-segment-end) + var(--composition-segment-slant)) 100%,
    calc(var(--composition-segment-start) + var(--composition-segment-slant)) 100%
  );
}

.composition-chip__segment:first-child {
  clip-path: polygon(
    0 0,
    calc(var(--composition-segment-end) - var(--composition-segment-slant)) 0,
    calc(var(--composition-segment-end) + var(--composition-segment-slant)) 100%,
    0 100%
  );
}

.composition-chip__segment:last-child {
  clip-path: polygon(
    calc(var(--composition-segment-start) - var(--composition-segment-slant)) 0,
    100% 0,
    100% 100%,
    calc(var(--composition-segment-start) + var(--composition-segment-slant)) 100%
  );
}

.composition-chip__segment:only-child {
  clip-path: inset(0);
}

.composition-chip__label {
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  right: calc(var(--composition-extra-colors) * 12px);
  padding: 6px 10px;
  color: var(--composition-label-foreground);
}

.composition-chip--carbon .composition-chip__segment::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  background-image:
    repeating-linear-gradient(
      135deg,
      color-mix(in srgb, var(--composition-segment-foreground) 8%, transparent) 0 3px,
      transparent 3px 7px
    );
}

.composition-chip--additive {
  border-color: #777e80;
  color: #151a1b;
  background: linear-gradient(135deg, #a7acad, #747b7d);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .36);
}

.composition-chip--cnc {
  border-color: #8ca5b4;
  color: #102c3a;
  background: linear-gradient(135deg, #dce5e9, #9eb7c5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .62);
}

.composition-chip--process {
  border-color: var(--line);
  color: var(--muted);
  background: var(--surface-soft);
}

.model-summary {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.inspection-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) 320px;
  grid-template-areas: "parameters viewer similar";
  gap: 18px;
  margin-top: 18px;
  align-items: stretch;
}

#inspectionBench {
  scroll-margin-top: 92px;
}

.designer-slot--mobile {
  display: none;
  grid-area: designer;
}

.community-slot--mobile {
  display: none;
  grid-area: community;
}

.community-slot--desktop:empty {
  display: none;
}

.viewer-shell {
  grid-area: viewer;
  position: relative;
  isolation: isolate;
  min-height: 640px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  animation: bench-in 620ms cubic-bezier(.16, 1, .3, 1) both;
}

.viewer-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  border-radius: inherit;
  pointer-events: none;
}

.preview-stack {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  background: var(--surface-soft);
}

.model-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 640px;
  border: 0;
  display: block;
  background: var(--surface-soft);
}

.model-preview[data-preview-pending] {
  pointer-events: none;
}

.viewer-switch-status {
  position: absolute;
  top: 16px;
  left: 50%;
  z-index: 4;
  padding: 7px 11px;
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: 0 7px 18px rgba(31, 64, 72, .08);
  font-size: 11px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -6px);
  transition: opacity 180ms ease 160ms, transform 280ms cubic-bezier(.16, 1, .3, 1) 160ms;
}

.viewer-shell.is-preparing .viewer-switch-status {
  opacity: 1;
  transform: translate(-50%, 0);
}













.is-content-switching {
  will-change: opacity;
}

.inspection-panel {
  min-width: 0;
  padding: 24px 22px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  animation: panel-in 720ms 70ms cubic-bezier(.16, 1, .3, 1) both;
}

.parameter-panel {
  grid-area: parameters;
}

.similar-panel {
  grid-area: similar;
  overflow: hidden;
}

.discovery-group {
  min-height: 0;
}

.discovery-group + .discovery-group {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.similar-panel[data-has-recent="false"] .similar-group {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.discovery-group .panel-heading {
  margin-bottom: 10px;
}

.discovery-group .panel-heading h2 {
  font-size: 19px;
}

.panel-kicker {
  margin: 0 0 7px;
  color: var(--blue);
  font: 700 11px/1 Bahnschrift, sans-serif;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-heading h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -.02em;
}

.similar-count {
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.model-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.model-tag,
.part-count {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.model-tag {
  color: var(--blue-strong);
  background: var(--blue-soft);
}

.part-count {
  color: color-mix(in srgb, var(--orange) 52%, var(--ink));
  background: color-mix(in srgb, var(--orange) 12%, var(--surface));
}

.parameter-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.parameter-row {
  display: grid;
  grid-template-columns: minmax(78px, 1fr) minmax(0, 1.2fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.parameter-row dt {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.parameter-row dd {
  min-width: 0;
  margin: 0;
  text-align: right;
  font-family: Bahnschrift, "Microsoft YaHei UI", sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  overflow-wrap: anywhere;
  white-space: normal;
}

.designer-record {
  margin-top: 18px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  animation: panel-in 720ms 120ms cubic-bezier(.16, 1, .3, 1) both;
}

.designer-record-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.designer-record-heading h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -.02em;
}

.designer-record-grid {
  display: grid;
  grid-template-columns:
    minmax(320px, .9fr)
    minmax(0, 1.7fr);
  align-items: stretch;
}

.designer-source-group {
  display: grid;
  grid-template-columns: minmax(130px, .78fr) minmax(170px, 1fr);
  min-width: 0;
}

.designer-record-item {
  min-width: 0;
  padding: 2px 22px;
}

.designer-source-group .designer-record-item:first-child {
  padding-left: 0;
}

.designer-source-group .designer-record-item + .designer-record-item,
.designer-message-item {
  border-left: 1px solid var(--line);
}

.designer-record-label {
  display: block;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.designer-record-value {
  color: var(--ink);
  font-family: var(--display-font);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.designer-record-link {
  color: var(--blue);
  text-decoration: none;
  text-underline-offset: 4px;
}

.designer-record-link:hover {
  text-decoration: underline;
}

.designer-record-link:focus-visible {
  border-radius: var(--radius-sm);
  outline: 3px solid color-mix(in srgb, var(--blue) 28%, transparent);
  outline-offset: 3px;
}

.designer-message {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.designer-message-clip {
  position: relative;
  width: 100%;
  font-size: 14px;
}

.designer-message-shell.is-long .designer-message-clip {
  max-height: 80rem;
  transition: max-height 360ms cubic-bezier(.16, 1, .3, 1);
}

.designer-message-shell.is-long.is-collapsed .designer-message-clip {
  max-height: 3.4em;
  overflow: hidden;
}

.designer-message-shell.is-long.is-collapsed .designer-message-clip::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1.7em;
  background: linear-gradient(to bottom, transparent, var(--surface) 88%);
  pointer-events: none;
}

.designer-message-toggle {
  min-height: 36px;
  margin-top: 8px;
  padding: 0;
  border: 0;
  color: var(--blue);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  text-underline-offset: 4px;
}

.designer-message-toggle:hover {
  text-decoration: underline;
}

.designer-message-toggle:focus-visible {
  border-radius: 6px;
  outline: 3px solid color-mix(in srgb, var(--blue) 28%, transparent);
  outline-offset: 3px;
}

.designer-record-empty {
  color: var(--muted);
  font-weight: 600;
}

.access-code {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.photo-gallery {
  margin-top: 18px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.photo-gallery[hidden] {
  display: none;
}

.photo-gallery-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.photo-gallery-heading h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -.02em;
}

.photo-gallery-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.photo-grid[data-count="1"] {
  grid-template-columns: minmax(0, 520px);
}

.photo-card {
  position: relative;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: white;
  text-align: left;
  background: var(--surface-soft);
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.photo-card:hover {
  border-color: color-mix(in srgb, var(--blue) 40%, var(--line));
  box-shadow: 0 16px 36px rgba(15, 23, 42, .14);
  transform: translateY(-2px);
}

.photo-card:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 30%, transparent);
  outline-offset: 3px;
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 420ms cubic-bezier(.16, 1, .3, 1);
}

.photo-card:hover img {
  transform: scale(1.025);
}

.photo-card-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  min-height: 36%;
  padding: 22px 16px 12px;
  color: rgba(255, 255, 255, .82);
  font-size: 11px;
  font-weight: 700;
  background: linear-gradient(transparent, rgba(9, 14, 24, .66));
  pointer-events: none;
}

.photo-lightbox {
  width: min(1120px, calc(100vw - 32px));
  height: min(820px, calc(100vh - 32px));
  max-width: none;
  max-height: none;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-lg);
  color: white;
  background: #11151c;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .38);
}

.photo-lightbox::backdrop {
  background: rgba(8, 12, 20, .72);
  backdrop-filter: blur(8px);
}

.photo-lightbox-figure {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  width: 100%;
  height: 100%;
  margin: 0;
}

.photo-lightbox-media {
  display: grid;
  min-height: 0;
  overflow: hidden;
  place-items: center;
}

.photo-lightbox-image {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
}

.photo-lightbox-caption {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 56px;
  padding: 8px 14px;
  color: rgba(255, 255, 255, .8);
  font-size: 13px;
  background: #11151c;
}

.photo-lightbox-close {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-width: 0;
  height: 40px;
  padding: 0 6px;
  border: 0;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  font-weight: 700;
  background: transparent;
  cursor: pointer;
}

.photo-lightbox-close:hover {
  color: white;
  background: rgba(255, 255, 255, .08);
}

.submission-popover {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 40;
  width: min(520px, calc(100vw - 24px));
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 20px 54px rgba(15, 38, 46, .18);
}

.submission-popover[hidden] {
  display: none;
}

.submission-popover-section {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.submission-popover-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.submission-popover-section strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--display-font);
  font-size: 13px;
}

.submission-section-heading {
  margin-bottom: 8px;
}

.submission-section-heading strong {
  margin-bottom: 0;
  padding-right: 124px;
}

.submission-popover-section p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.submission-email-text {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
  overflow-wrap: anywhere;
  user-select: text;
}

.submission-copy-button {
  min-width: 64px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.submission-template-button {
  position: absolute;
  top: 14px;
  right: 14px;
  min-width: 112px;
  color: var(--blue-strong);
  border-color: color-mix(in srgb, var(--blue) 24%, var(--line));
  background: color-mix(in srgb, var(--blue) 7%, var(--surface));
}

.similar-list {
  display: grid;
  gap: 8px;
  min-height: 0;
}

.similar-card {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 78px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  text-align: left;
  background: var(--surface-soft);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.similar-card:hover {
  border-color: color-mix(in srgb, var(--blue) 58%, var(--line));
  background: var(--blue-soft);
  transform: translateX(-2px);
}

.similar-thumbnail {
  position: relative;
  display: block;
  width: 94px;
  height: auto;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.similar-thumbnail img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.similar-thumbnail-fallback {
  display: block;
  width: 100%;
  height: 100%;
}

.similar-thumbnail .frame-diagram {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 5px;
}

.similar-thumbnail .frame-diagram .arm {
  stroke-width: 5.5;
}

.similar-card-copy {
  min-width: 0;
}

.similar-card-name-group {
  display: block;
  min-width: 0;
}

.similar-card-name {
  display: block;
  font-family: var(--display-font);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.similar-card-alternate {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font: 700 10px/1.2 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  letter-spacing: .02em;
  overflow-wrap: anywhere;
}

.similar-card-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
  margin-top: 9px;
}

.similar-card-facts span {
  min-width: 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.2;
}

.similar-card-facts strong {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--ink);
  font: 700 10px/1.2 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.similar-empty {
  display: grid;
  min-height: 88px;
  place-items: center;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
  background: var(--surface-soft);
  font-size: 13px;
  line-height: 1.6;
}

.library {
  margin-top: 72px;
  scroll-margin-top: 100px;
}

.library-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}

.library-heading h2 {
  margin: 9px 0 0;
  font-family: var(--display-font);
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1;
  letter-spacing: -.025em;
}

.result-count {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.filter-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  margin-bottom: 24px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--surface);
}

.filter-groups {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.filter-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 36px;
}

.filter-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.size-filters,
.structure-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  min-height: 36px;
  padding: 7px 13px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 13px;
  font-weight: 700;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.filter-chip:hover {
  color: var(--ink);
  transform: translateY(-1px);
}

.filter-chip.active {
  color: #fff;
  background: var(--blue);
}

.compact-select {
  height: 38px;
  padding: 0 34px 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
}

.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.aircraft-card {
  container-type: inline-size;
  position: relative;
  min-width: 0;
  min-height: 274px;
  padding: 18px;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-md);
  text-align: left;
  background: var(--surface);
  box-shadow: 0 6px 18px rgba(31, 64, 72, .06);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.aircraft-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.aircraft-card.active {
  background: var(--blue-soft);
  box-shadow: inset 0 0 0 2px var(--blue), 0 8px 22px rgba(20, 104, 212, .12);
}

.frame-diagram {
  position: relative;
  height: 112px;
  margin: -4px -2px 14px;
  color: var(--ink);
}

.frame-diagram svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.frame-diagram .arm {
  stroke: currentColor;
  stroke-width: 4.5;
  stroke-linecap: round;
  opacity: .7;
}

.frame-diagram .plate {
  fill: var(--blue);
}

.frame-diagram .rotor {
  fill: var(--surface);
  stroke: currentColor;
  stroke-width: 3;
}

.frame-diagram .rotor-inner {
  fill: var(--orange);
}

.aircraft-thumbnail {
  position: relative;
  display: block;
  width: calc(100% + 4px);
  height: auto;
  aspect-ratio: 16 / 10;
  margin: -4px -2px 14px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.aircraft-thumbnail img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 240ms cubic-bezier(.16, 1, .3, 1);
}

.aircraft-card:hover .aircraft-thumbnail img {
  transform: scale(1.035);
}

.aircraft-thumbnail .frame-diagram {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 8px;
}

.aircraft-name-group {
  display: block;
  margin-right: 36px;
  min-width: 0;
}

.aircraft-name {
  display: block;
  font-family: var(--display-font);
  font-size: 17px;
  line-height: 1.25;
  font-weight: 700;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.aircraft-alternate-name {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font: 700 11px/1.2 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  letter-spacing: .025em;
  overflow-wrap: anywhere;
}

.active-indicator {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  opacity: 0;
  transform: scale(.5);
  transition: opacity 160ms ease, transform 160ms ease;
}

.aircraft-card.active .active-indicator {
  opacity: 1;
  transform: scale(1);
}

.card-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.card-fact {
  min-width: 0;
}

.card-fact span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.3;
}

.card-fact strong {
  display: block;
  margin-top: 3px;
  font: 700 12px/1.25 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty-state {
  display: none;
  min-height: 260px;
  place-items: center;
  padding: 48px 20px;
  border-radius: var(--radius-lg);
  color: var(--muted);
  text-align: center;
  background: var(--surface);
}

.empty-state.visible {
  display: grid;
}

.empty-state strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 18px;
}

.reset-filters,
.load-more {
  min-height: 42px;
  padding: 10px 18px;
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.reset-filters {
  margin-top: 18px;
  color: #fff;
  background: var(--blue);
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.load-more {
  min-width: 160px;
  color: var(--ink);
  background: var(--surface-strong);
}

.load-more:hover {
  background: var(--blue-soft);
}

.loading-state {
  min-height: 70vh;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.loading-state::before {
  content: "";
  width: 28px;
  height: 28px;
  border: 3px solid var(--line);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.loading-state span {
  margin-top: -28vh;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes bench-in {
  from { opacity: .01; clip-path: inset(0 0 18% 0 round 24px); transform: translateY(18px); }
  to { opacity: 1; clip-path: inset(0 0 0 0 round 24px); transform: translateY(0); }
}

@keyframes panel-in {
  from { opacity: .01; transform: translateX(18px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 1180px) {
  .inspection-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "viewer viewer"
      "parameters similar";
  }

  .viewer-shell,
  .model-preview {
    min-height: 580px;
  }

  .aircraft-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .designer-record-grid {
    grid-template-columns: 1fr;
  }

  .designer-message-item {
    margin-top: 20px;
    padding: 20px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .photo-grid[data-count="1"] {
    grid-template-columns: minmax(0, 520px);
  }
}

@media (max-width: 900px) {
  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    padding: 12px 0;
  }

  .global-search {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .viewer-shell,
  .model-preview {
    min-height: 540px;
  }

  .aircraft-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .header-inner,
  .page {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .brand-copy span,
  .search-shortcut {
    display: none;
  }

  .theme-toggle {
    min-width: 74px;
  }

  .submission-trigger {
    min-width: 40px;
    width: 40px;
    padding: 0;
  }

  .submission-trigger span {
    display: none;
  }

  .font-select {
    width: 92px;
  }

  .page {
    padding-top: 22px;
  }

  #inspectionBench {
    scroll-margin-top: 124px;
  }

  .library {
    scroll-margin-top: 140px;
  }

  .viewer-shell,
  .model-preview {
    min-height: 440px;
  }

  .inspection-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "viewer"
      "parameters"
      "designer"
      "community"
      "similar";
  }

  .designer-slot--mobile,
  .community-slot--mobile {
    display: block;
  }

  .designer-slot--desktop:empty {
    display: none;
  }

  .inspection-panel {
    padding: 24px 20px;
  }

  .similar-card {
    grid-template-columns: 124px minmax(0, 1fr);
  }

  .similar-thumbnail {
    width: 124px;
    height: auto;
  }

  .parameter-row {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .designer-record {
    margin-top: 0;
    padding: 24px 20px;
  }

  .designer-record-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .designer-record-grid {
    grid-template-columns: 1fr;
    row-gap: 0;
  }

  .designer-source-group {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .designer-source-group .designer-record-item,
  .designer-source-group .designer-record-item:first-child {
    padding: 10px 14px 10px 0;
    border-left: 0;
    border-top: 0;
  }

  .designer-source-group .designer-record-item + .designer-record-item {
    padding-right: 0;
    padding-left: 14px;
    border-left: 1px solid var(--line);
    border-top: 0;
  }

  .designer-record-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }

  .designer-message-item {
    margin-top: 0;
    padding: 16px 0 0;
    border-top: 0;
  }

  .photo-gallery {
    padding: 24px 20px;
  }

  .photo-gallery-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .photo-grid,
  .photo-grid[data-count="1"] {
    grid-template-columns: 1fr;
  }

  .photo-lightbox {
    width: calc(100vw - 16px);
    height: calc(100vh - 16px);
    border-radius: var(--radius-md);
  }

  .submission-popover {
    position: fixed;
    top: 70px;
    right: 8px;
    width: calc(100vw - 16px);
    padding: 18px;
  }

  .privacy-control,
  .privacy-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .privacy-action {
    width: 100%;
  }

  .library {
    margin-top: 52px;
  }

  .library-heading {
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }

  .filter-bar {
    grid-template-columns: 1fr;
  }

  .filter-row {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .compact-select {
    width: 100%;
  }

  .aircraft-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .aircraft-card {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 0;
    aspect-ratio: 16 / 10;
    padding: 32% 10px 8px;
    border-radius: var(--radius-sm);
    background: var(--surface-strong);
    box-shadow: 0 4px 14px rgba(18, 43, 51, .1);
  }

  .aircraft-card::after {
    content: "";
    position: absolute;
    inset: 28% 0 0;
    z-index: 1;
    background: linear-gradient(to bottom, transparent, rgba(5, 15, 18, .9));
    pointer-events: none;
  }

  .aircraft-card.active {
    outline: 3px solid var(--blue);
    outline-offset: -3px;
    box-shadow: 0 5px 16px rgba(20, 104, 212, .2);
  }

  .aircraft-thumbnail {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: inherit;
  }

  .aircraft-name-group {
    position: relative;
    z-index: 2;
    display: grid;
    gap: 1px;
    margin: 0 0 7px;
    min-width: 0;
  }

  .aircraft-name {
    display: block;
    color: #fff;
    font-size: clamp(12px, 9.5cqi, 13px);
    line-height: 1.15;
    text-shadow: 0 1px 4px rgba(0, 0, 0, .72);
  }

  .aircraft-alternate-name {
    margin: 0;
    color: rgba(255, 255, 255, .76);
    font-size: 9px;
    line-height: 1.15;
    text-shadow: 0 1px 3px rgba(0, 0, 0, .75);
  }

  .active-indicator {
    top: 9px;
    right: 9px;
    z-index: 3;
    width: 11px;
    height: 11px;
    border: 2px solid #fff;
  }

  .card-facts {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 5px;
    margin: 0;
  }

  .card-fact {
    display: inline-flex;
    align-items: center;
    min-width: 0;
  }

  .card-fact span {
    display: none;
  }

  .card-fact strong {
    display: inline;
    margin: 0;
    color: rgba(255, 255, 255, .86);
    font-size: 10px;
    line-height: 1;
    text-shadow: 0 1px 3px rgba(0, 0, 0, .75);
  }

  .card-fact:nth-child(2)::before {
    content: "·";
    margin-right: 5px;
    color: rgba(255, 255, 255, .64);
  }

  .card-fact:nth-child(3) {
    display: none;
  }

  .frame-diagram {
    height: 92px;
  }

}

.account-trigger {
  max-width: 132px;
  height: 40px;
  padding: 0 13px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--orange) 34%, var(--line));
  border-radius: var(--radius-sm);
  color: var(--ink);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--orange) 8%, var(--surface)), var(--surface));
  font-size: 12px;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.account-trigger:hover {
  border-color: color-mix(in srgb, var(--orange) 58%, var(--line));
  background: color-mix(in srgb, var(--orange) 12%, var(--surface));
  transform: translateY(-1px);
}

.account-trigger:disabled {
  cursor: not-allowed;
  opacity: .58;
  transform: none;
}

.community-panel {
  position: relative;
  margin-top: 28px;
  padding: clamp(22px, 3.4vw, 40px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--blue) 8%, transparent) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(color-mix(in srgb, var(--blue) 8%, transparent) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--surface);
  box-shadow: 0 16px 44px rgba(31, 64, 72, .09);
}

.community-panel::before {
  position: absolute;
  top: 0;
  left: clamp(22px, 3.4vw, 40px);
  width: 112px;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, var(--orange) 0 28%, var(--blue) 28% 100%);
}

.community-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.community-heading h2 {
  margin: 13px 0 0;
  font-family: var(--display-font);
  font-size: clamp(1.7rem, 4vw, 2.75rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.community-heading > div > p:last-child {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.community-heading > div > p:last-child strong {
  color: var(--ink);
}

.community-scope {
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid color-mix(in srgb, var(--blue) 28%, var(--line));
  border-radius: 999px;
  color: var(--blue-strong);
  background: var(--blue-soft);
  font: 800 10px/1 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  letter-spacing: .08em;
}

.community-composer-shell {
  margin: 18px 0 0;
}

.community-guest-action,
.community-composer {
  width: 100%;
  min-height: 72px;
  border: 1px solid color-mix(in srgb, var(--blue) 24%, var(--line));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 90%, var(--blue-soft));
}

.community-guest-action {
  color: var(--blue-strong);
  font-size: 13px;
  font-weight: 850;
  transition: border-color 160ms ease, background 160ms ease;
}

.community-guest-action:hover:not(:disabled) {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.community-guest-action:disabled {
  color: var(--muted);
  cursor: not-allowed;
}

.community-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 6px 8px;
  padding: 10px;
}

.community-composer label {
  display: block;
  grid-column: 1 / -1;
  margin: 0;
  font-size: 12px;
  font-weight: 850;
}

.community-composer textarea,
.community-reply-input {
  width: 100%;
  padding: 10px 12px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.55;
}

.community-composer textarea:focus,
.community-reply-input:focus {
  border-color: var(--blue);
  outline: none;
  box-shadow: var(--focus);
}

.community-composer-footer,
.community-reply-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 6px;
}

.community-composer-footer {
  align-self: stretch;
  flex-direction: column;
  justify-content: space-between;
  gap: 4px;
  margin-top: 0;
  flex-wrap: nowrap;
}

.community-composer .community-submit {
  min-height: 36px;
  padding-inline: 14px;
}

.community-counter {
  color: var(--muted);
  font: 700 11px/1 Bahnschrift, sans-serif;
}

.community-counter[data-over="true"] {
  color: var(--orange);
}

.community-submit,
.account-primary {
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--radius-sm);
  color: #fff;
  background: var(--blue);
  font-size: 12px;
  font-weight: 850;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--blue) 26%, transparent);
}

.community-submit:hover,
.account-primary:hover {
  background: var(--blue-strong);
}

.community-submit:disabled,
.account-primary:disabled {
  cursor: wait;
  opacity: .58;
}

.community-submit--small {
  min-height: 36px;
}

.community-status {
  min-height: 18px;
  margin: 18px 0 10px;
  color: var(--muted);
  font-size: 11px;
}

.community-status[data-kind="error"],
.account-dialog-status[data-kind="error"] {
  color: var(--orange);
}

.community-status[data-kind="success"],
.account-dialog-status[data-kind="success"] {
  color: #16845b;
}

.community-list {
  display: grid;
  gap: 0;
}

.community-thread {
  padding: 15px 2px 13px;
  border-bottom: 1px solid var(--line);
}

.community-comment-head {
  display: flex;
  align-items: baseline;
}

.community-author {
  color: var(--blue-strong);
  font-family: var(--display-font);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.015em;
}

.community-time {
  color: var(--muted);
  font-size: 10px;
  white-space: nowrap;
}

.community-body {
  max-width: 72ch;
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.community-reply-line {
  max-width: 72ch;
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.community-reply-line > .community-author {
  margin-right: 8px;
}

.community-reply-copy {
  color: var(--ink);
}

.community-body--deleted,
.community-body--hidden {
  color: var(--muted);
  font-style: italic;
}

.community-mention {
  color: var(--blue-strong);
  font-weight: 800;
}

.community-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
}

.community-action,
.community-thread-more,
.account-secondary {
  min-height: 30px;
  padding: 0 8px;
  border: 0;
  border-radius: 7px;
  color: var(--muted);
  background: transparent;
  font-size: 11px;
  font-weight: 750;
}

.community-action:hover:not(:disabled),
.community-action.is-active,
.community-thread-more:hover,
.account-secondary:hover:not(:disabled) {
  color: var(--blue-strong);
  background: var(--blue-soft);
}

.community-action--danger:hover:not(:disabled) {
  color: var(--orange);
  background: color-mix(in srgb, var(--orange) 10%, var(--surface));
}

.community-action:disabled,
.account-secondary:disabled {
  cursor: not-allowed;
  opacity: .5;
}

.community-replies {
  display: grid;
  gap: 0;
  margin: 3px 0 0 16px;
}

.community-reply {
  padding: 7px 0 5px;
  border-top: 1px solid color-mix(in srgb, var(--line) 68%, transparent);
}

.community-reply .community-actions {
  margin-top: 1px;
}

.community-thread-more {
  min-height: 30px;
  margin-top: 2px;
  color: var(--blue-strong);
}

.community-thread-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.community-reply-form {
  margin-top: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.community-empty {
  padding: 34px 20px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  text-align: center;
}

.community-empty > span {
  display: block;
  color: color-mix(in srgb, var(--blue) 34%, var(--surface));
  font: 900 48px/1 Bahnschrift, sans-serif;
}

.community-empty strong {
  display: block;
  margin-top: -12px;
  font-family: var(--display-font);
}

.community-empty p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.community-load-more {
  display: block;
  min-width: 160px;
  min-height: 42px;
  margin: 18px auto 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface-soft);
  font-weight: 800;
}

.account-dialog {
  width: min(calc(100% - 28px), 520px);
  max-height: min(760px, calc(100vh - 36px));
  padding: 0;
  overflow: auto;
  border: 0;
  border-radius: var(--radius-lg);
  color: var(--ink);
  background: transparent;
  box-shadow: 0 30px 100px rgba(0, 0, 0, .32);
}

.account-dialog::backdrop {
  background: rgba(4, 15, 20, .62);
  backdrop-filter: blur(8px);
}

.account-dialog-frame {
  position: relative;
  padding: clamp(22px, 5vw, 34px);
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: inherit;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--blue-soft) 58%, var(--surface)) 0 18%, var(--surface) 18% 100%);
}

.account-dialog-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.account-dialog-heading p {
  margin: 0 0 7px;
  color: var(--blue-strong);
  font: 850 10px/1 Bahnschrift, sans-serif;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.account-dialog-heading h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  letter-spacing: -.035em;
}

.account-dialog-close {
  align-self: flex-start;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: var(--surface);
  font-size: 11px;
}

.account-dialog-status {
  min-height: 21px;
  margin: 18px 0 8px;
  color: var(--muted);
  font-size: 12px;
}

.account-form {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}

.account-form > div:not(.account-form-actions) {
  display: grid;
  gap: 9px;
}

.account-form label {
  font-size: 12px;
  font-weight: 850;
}

.account-form input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
}

.account-form input:focus {
  border-color: var(--blue);
  outline: none;
  box-shadow: var(--focus);
}

.account-form-hint {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.account-form-warning {
  margin: 4px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--orange);
  color: var(--muted);
  background: color-mix(in srgb, var(--orange) 9%, var(--surface));
  font-size: 11px;
  line-height: 1.65;
}

.account-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 10px;
}

.account-secondary {
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.account-signed-in {
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.account-signed-in > span {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.account-signed-in > strong {
  display: block;
  margin-top: 7px;
  font-family: var(--display-font);
  font-size: 24px;
}

.account-signed-in > a {
  display: inline-block;
  margin-top: 18px;
  color: var(--muted);
  font-size: 11px;
  text-underline-offset: 3px;
}

.account-captcha {
  min-height: 65px;
  margin-top: 0.25rem;
}

.account-notices,
.account-owner-tools {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.account-notices[hidden],
.account-owner-tools[hidden],
.account-mfa-form[hidden],
#accountMfaEnroll[hidden] {
  display: none;
}

.account-notices h3 {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.account-notice {
  padding: 0.8rem;
  background: var(--surface-soft);
  border-left: 3px solid var(--orange);
}

.account-notice p,
.account-notice time,
.account-owner-tools p {
  margin: 0.25rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.account-mfa-form {
  display: flex;
  gap: 0.5rem;
}

.account-mfa-form input {
  min-width: 0;
  flex: 1;
  letter-spacing: 0.18em;
}

#accountMfaQr {
  width: min(12rem, 100%);
  background: #fff;
  padding: 0.5rem;
}

.account-admin-link {
  display: inline-flex;
  width: fit-content;
  font-weight: 700;
  color: var(--ink);
  text-underline-offset: 0.25rem;
}

.community-report-dialog select,
.community-report-dialog textarea {
  width: 100%;
}

.community-moderation-menu {
  margin: 0.5rem 0 0 auto;
  width: fit-content;
  position: relative;
}

.community-moderation-menu summary {
  cursor: pointer;
  color: var(--orange);
  font-size: 0.75rem;
  font-weight: 700;
}

.community-moderation-link {
  display: block;
  margin-top: 0.35rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-size: 0.75rem;
  white-space: nowrap;
}

@media (max-width: 620px) {
  .brand-copy {
    display: none;
  }

  .theme-toggle {
    min-width: 56px;
    padding-inline: 9px;
  }

  .account-trigger {
    max-width: 72px;
    min-width: 48px;
    padding: 0 9px;
  }

  .community-panel {
    margin-top: 18px;
    padding: 22px 14px;
    border-radius: var(--radius-md);
  }

  .community-slot--mobile .community-panel {
    margin-top: 0;
  }

  .community-panel::before {
    left: 14px;
  }

  .community-heading {
    display: block;
  }

  .community-scope {
    display: inline-block;
    margin-top: 14px;
  }

  .community-thread {
    padding: 12px 0 10px;
  }

  .community-replies {
    margin-left: 12px;
  }

  .community-composer-footer,
  .community-reply-footer,
  .account-form-actions {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}