:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #f8fafb;
  --surface-blue: #eef6fb;
  --ink: #121820;
  --text: #303943;
  --muted: #66717d;
  --line: #dce3e8;
  --line-strong: #c6d0d8;
  --blue: #0c5ca8;
  --blue-deep: #073e82;
  --blue-soft: #e3f0fb;
  --green: #248b52;
  --green-soft: #e4f3ea;
  --red: #c23d3d;
  --red-soft: #fae9e9;
  --amber: #b26d12;
  --amber-soft: #fff2da;
  --olive: #5b715e;
  --shadow: 0 18px 48px rgba(18, 32, 45, 0.1);
  --radius: 8px;
  --sidebar: 244px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.56;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(12, 92, 168, 0.28);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 50;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 16px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 860;
  text-decoration: none;
}

.brand span:last-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-size: 15px;
}

.side-nav {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.side-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: #3d4752;
  font-weight: 730;
  text-decoration: none;
}

.side-nav a:hover,
.side-nav a.is-active {
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.side-nav svg,
.button svg,
.term svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.side-nav path,
.button path,
.term path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.closet-mini {
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.closet-mini h2 {
  margin: 0 0 2px;
  color: var(--ink);
  font-size: 16px;
}

.closet-mini p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.closet-mini a {
  display: inline-block;
  margin-top: 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 780;
  text-decoration: none;
}

.mini-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mini-strip img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.main {
  min-width: 0;
  padding: 28px 32px 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 22px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: clamp(38px, 5vw, 56px);
  line-height: 1.04;
  font-weight: 860;
}

.topbar p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.topbar-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ghost-button,
.module-head button {
  min-height: 40px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: #33404c;
  font-size: 14px;
  font-weight: 730;
  text-decoration: none;
}

.ghost-button:hover,
.module-head button:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.agent-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.flow-step {
  display: flex;
  gap: 11px;
  align-items: center;
  min-width: 0;
  padding: 11px;
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.flow-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: #dfe6eb;
  color: #4f5c68;
  font-weight: 820;
}

.flow-step strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
}

.flow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.flow-step.is-done span {
  background: var(--green);
  color: #fff;
}

.flow-step.is-active {
  background: var(--blue-soft);
}

.flow-step.is-active span {
  background: var(--blue);
  color: #fff;
}

.decision-grid {
  display: grid;
  grid-template-columns: minmax(330px, 1.05fr) minmax(260px, 0.58fr) minmax(360px, 0.86fr);
  gap: 14px;
  align-items: stretch;
  margin-bottom: 14px;
}

.agent-card,
.module-card,
.guide-card,
.media-frame {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.agent-card,
.module-card,
.guide-card {
  padding: 18px;
}

.card-head,
.module-head,
.verdict-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.card-head h2,
.module-head h2,
.verdict-top h2,
.section-heading h2 {
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.2;
}

.card-head p,
.module-head p,
.verdict-top p,
.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.status-dot,
.product-tag,
.module-head span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.segmented-control {
  display: inline-flex;
  padding: 3px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.segmented-control button,
.choice-row button {
  min-height: 34px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #44505c;
  font-size: 14px;
  font-weight: 720;
}

.segmented-control button {
  padding: 6px 12px;
}

.segmented-control button.is-selected,
.choice-row button.is-selected {
  border-color: var(--blue);
  background: #fff;
  color: var(--blue-deep);
  box-shadow: 0 2px 10px rgba(12, 92, 168, 0.08);
}

.sample-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.sample-row button {
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: #3f4a55;
  font-size: 13px;
  font-weight: 760;
}

.sample-row button:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.field {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.field span,
.field-group legend {
  color: #394651;
  font-size: 13px;
  font-weight: 800;
}

textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}

textarea {
  min-height: 104px;
  resize: vertical;
  padding: 12px;
}

select {
  min-height: 42px;
  padding: 8px 10px;
}

.field-group {
  min-width: 0;
  margin: 14px 0 0;
  padding: 0;
  border: 0;
}

.field-group--compact {
  margin-top: 0;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.choice-row button {
  padding: 6px 12px;
  border-color: var(--line);
  background: #fff;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.5fr) minmax(240px, 1fr);
  gap: 14px;
  margin: 16px 0 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
}

.button--primary {
  background: var(--blue-deep);
  color: #fff;
  box-shadow: 0 12px 26px rgba(7, 62, 130, 0.2);
}

.button--primary:hover {
  background: #0b4d9a;
}

.button--quiet {
  border-color: var(--line-strong);
  background: #fff;
  color: var(--ink);
}

.button--quiet:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.agent-insight {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.agent-insight div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.agent-insight span,
.budget-panel span,
.closet-health span {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.agent-insight strong {
  display: block;
  min-width: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.32;
  overflow-wrap: anywhere;
}

.product-preview figure {
  margin: 0 0 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f4f1ea;
}

.product-preview img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: 50% 76%;
}

.product-facts {
  display: grid;
  gap: 10px;
  margin: 0;
}

.product-facts div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.product-facts dt {
  color: var(--muted);
  font-size: 13px;
}

.product-facts dd {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 770;
}

.verdict {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  height: 56px;
  border-radius: var(--radius);
  color: #fff;
  font-size: 30px;
  line-height: 1;
}

.verdict--buy {
  background: var(--green);
}

.verdict--hold {
  background: var(--amber);
}

.verdict--skip {
  background: var(--red);
}

.score-list {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.score-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 34px;
  gap: 10px;
  align-items: center;
  color: #394651;
  font-size: 14px;
}

meter {
  width: 100%;
  height: 10px;
}

meter::-webkit-meter-bar {
  border: 0;
  border-radius: 999px;
  background: #e5ebef;
}

meter::-webkit-meter-optimum-value {
  border-radius: 999px;
  background: var(--blue);
}

.reason-block {
  padding: 14px;
  margin-bottom: 16px;
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.reason-block h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 16px;
}

.reason-block ul,
.radar-list,
.formula-card ul,
.shopping-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.reason-block li {
  position: relative;
  padding-left: 16px;
  margin: 6px 0;
  color: #45505b;
  font-size: 14px;
}

.reason-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.73em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
}

.decision-brief {
  padding: 14px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.decision-brief h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 16px;
}

.rule-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.rule-chip-list span {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 780;
}

.decision-brief dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.decision-brief dl div {
  display: grid;
  gap: 3px;
}

.decision-brief dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 790;
}

.decision-brief dd {
  margin: 0;
  color: #3d4853;
  font-size: 13px;
}

.export-output {
  max-height: 220px;
  overflow: auto;
  margin: 12px 0 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0f1822;
  color: #eef5fb;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.export-output[hidden] {
  display: none;
}

.module-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(320px, 1fr) minmax(300px, 0.9fr);
  gap: 14px;
  margin-bottom: 14px;
}

.shopping-list {
  display: grid;
  gap: 10px;
}

.budget-panel {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.budget-panel div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.budget-panel strong {
  color: var(--ink);
  font-size: 18px;
}

.budget-panel p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.shopping-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 36px;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.shopping-list strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.shopping-list small {
  color: var(--muted);
  font-size: 12px;
}

.shopping-list em,
.radar-list em {
  justify-self: end;
  font-style: normal;
  color: var(--green);
  font-size: 12px;
  font-weight: 820;
}

.list-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  font-weight: 830;
}

.formula-stack {
  display: grid;
  gap: 9px;
}

.formula-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 44px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.formula-line.is-highlighted {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.formula-line strong {
  color: var(--blue);
  font-size: 13px;
}

.formula-line span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #3c4650;
  font-size: 13px;
}

.formula-line i {
  color: var(--muted);
  font-style: normal;
}

.radar-list {
  display: grid;
  gap: 10px;
}

.radar-list li {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.radar-list strong {
  color: var(--ink);
  font-size: 14px;
}

.radar-list span {
  color: var(--muted);
  font-size: 13px;
}

.radar-list .danger {
  border-color: #edc8c8;
  background: var(--red-soft);
}

.radar-list .danger em {
  color: var(--red);
}

.radar-list .warn {
  border-color: #efd49d;
  background: var(--amber-soft);
}

.radar-list .warn em {
  color: var(--amber);
}

.radar-list .good {
  border-color: #bbd9c5;
  background: var(--green-soft);
}

.closet-module,
.guide-section {
  margin-bottom: 14px;
}

.closet-health {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.closet-health article {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.closet-health meter {
  margin: 4px 0 7px;
}

.closet-health strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
}

.closet-gap-note {
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--blue-soft);
  color: #344d63;
  font-size: 14px;
}

.closet-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.closet-strip article {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.closet-strip img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.closet-strip strong,
.closet-strip span {
  display: block;
  padding: 0 12px;
}

.closet-strip strong {
  padding-top: 10px;
  color: var(--ink);
}

.closet-strip span {
  padding-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}

.guide-section {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.section-heading {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  max-width: 900px;
  margin-bottom: 18px;
}

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.guide-card h3 {
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 17px;
}

.guide-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.media-frame {
  overflow: hidden;
  margin: 0 0 14px;
}

.media-frame img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  object-position: 50% 7%;
}

.media-frame figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.term-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.term {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 46px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: #2f3b45;
  text-align: left;
}

.term span {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
}

.term:hover,
.term.is-copied {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.copy-status {
  min-height: 22px;
  margin: 10px 0 0;
  color: var(--blue);
  font-size: 13px;
  font-weight: 760;
}

.footer {
  color: var(--muted);
  font-size: 13px;
}

.footer p {
  margin-bottom: 0;
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    padding: 14px 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    max-width: 100vw;
    overflow: hidden;
  }

  .side-nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
    max-width: 100%;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .side-nav::-webkit-scrollbar {
    display: none;
  }

  .side-nav a {
    white-space: nowrap;
  }

  .closet-mini {
    display: none;
  }

  .decision-grid,
  .module-grid {
    grid-template-columns: 1fr;
  }

  .agent-flow,
  .closet-strip,
  .closet-health,
  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .main {
    padding: 22px 14px 32px;
  }

  .topbar {
    display: grid;
  }

  h1 {
    font-size: 38px;
  }

  .agent-flow,
  .closet-strip,
  .closet-health,
  .guide-grid,
  .term-list,
  .input-row,
  .agent-insight {
    grid-template-columns: 1fr;
  }

  .flow-step {
    align-items: flex-start;
  }

  .card-head,
  .module-head,
  .verdict-top {
    display: grid;
  }

  .score-row {
    grid-template-columns: 66px minmax(0, 1fr) 32px;
  }

  .radar-list li {
    grid-template-columns: 1fr;
  }

  .formula-line {
    align-items: flex-start;
  }

  .action-row {
    display: grid;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}