:root {
  --bg: #f6f7f4;
  --paper: #ffffff;
  --ink: #171d1b;
  --muted: #68706d;
  --line: #dfe4df;
  --soft: #eef2ee;
  --green: #2f6f55;
  --amber: #a66a2d;
  --teal: #2d7f86;
  --red: #9b473f;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 87.5%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    "SF Pro Text", "SF Pro Display", -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  min-height: 100vh;
}

.side {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  padding: 22px 14px;
}

.brand {
  display: block;
  padding: 8px 10px 18px;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1;
}

.nav {
  display: grid;
  gap: 4px;
}

.nav a {
  border-radius: 7px;
  color: var(--muted);
  padding: 9px 10px;
  line-height: 1.2;
}

.nav a:hover,
.nav a.active {
  background: var(--soft);
  color: var(--ink);
}

.nav a.active {
  font-weight: 700;
}

.content {
  width: min(1080px, 100%);
  padding: 22px 32px 42px;
}

.page-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 15px;
}

.page-title {
  margin: 0;
  font-size: 1.42rem;
  line-height: 1.2;
}

.meta {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 6px;
}

.actions,
.tabs,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.btn,
.tab,
.chip {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--muted);
  min-height: 32px;
  padding: 0 10px;
  cursor: pointer;
}

a.btn {
  align-items: center;
  display: inline-flex;
}

.btn.primary,
.tab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.tabs {
  margin-bottom: 14px;
  overflow-x: auto;
}

.theme-panel {
  margin-bottom: 12px;
  padding: 11px 14px;
}

.theme-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  color: var(--muted);
  font-size: 0.86rem;
}

.theme-head strong {
  color: var(--ink);
}

.theme-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}

.theme-chip {
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  padding: 4px 8px;
  font-size: 0.8rem;
}

.theme-chip b {
  color: var(--green);
}

.theme-summary {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
  margin-top: 10px;
  padding-top: 9px;
}

.grid {
  display: grid;
  gap: 10px;
}

.date-section {
  display: grid;
  gap: 8px;
}

.date-section + .date-section {
  margin-top: 14px;
}

.date-heading {
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  font-size: 0.86rem;
  gap: 10px;
  justify-content: space-between;
  padding: 4px 2px 7px;
}

.date-heading strong {
  color: var(--ink);
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.paper {
  padding: 14px 15px;
}

.paper-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
}

.paper-side {
  align-items: center;
  display: flex;
  gap: 7px;
  justify-content: flex-end;
}

.paper h2 {
  margin: 0 0 7px;
  font-size: 1.04rem;
  line-height: 1.38;
}

.paper h2 a:hover {
  color: var(--green);
}

.paper p {
  margin: 10px 0 0;
  color: #35413d;
  line-height: 1.65;
}

.paper-desc {
  color: #35413d;
  line-height: 1.65;
  margin: 10px 0 0;
}

.source-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
  font-size: 0.86rem;
}

.source-fold {
  color: var(--muted);
  margin-top: 4px;
}

.source-fold summary {
  cursor: pointer;
  display: inline-flex;
  font-size: 0.84rem;
  color: var(--green);
  font-weight: 400;
}

.source-signal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.source-signal-list span {
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 3px 7px;
  font-size: 0.78rem;
}

.source-signal-list a {
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  padding: 3px 7px;
  font-size: 0.78rem;
}

.source-signal-list a:hover {
  color: var(--ink);
}

.research-details {
  color: var(--muted);
  margin-top: 7px;
}

.research-details.inline-detail {
  display: inline;
  margin-left: 4px;
  margin-top: 0;
}

.research-details summary {
  cursor: pointer;
  display: inline-flex;
  color: var(--green);
  font-size: 0.84rem;
}

.research-details.inline-detail summary {
  display: inline-flex;
}

.research-details.inline-detail summary::marker {
  content: "";
}

.research-details .detail-text {
  margin-top: 7px;
  color: #35413d;
  font-size: 0.9rem;
  line-height: 1.6;
  white-space: pre-line;
}

.research-details.inline-detail .detail-text {
  display: block;
  margin-top: 6px;
}

.reference-block {
  align-items: flex-start;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 12px;
  padding-top: 10px;
}

.reference-text {
  min-width: 0;
}

.reference-inline {
  display: block;
}

.reference-line {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.reference-sep {
  color: var(--muted);
  margin: 0 6px;
}

.reference-source {
  display: inline;
  margin: 0;
  white-space: nowrap;
}

.reference-block p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  margin: 0;
}

.reference-block .source-fold {
  border: 0;
  margin-top: -1px;
  padding: 0;
}

.reference-block .source-fold summary {
  display: inline-flex;
}

.reference-block .source-signal-list {
  flex-basis: 100%;
  margin-top: 6px;
}

.doi-line {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 5px;
}

.reference-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.reference-links a {
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 3px 7px;
}

.reference-links a:hover {
  color: var(--ink);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 99px;
  min-height: 22px;
  padding: 0 8px;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge.comprehensive {
  background: #fff0dd;
  color: var(--amber);
}

.badge.professional {
  background: #e6f1eb;
  color: var(--green);
}

.badge.wechat {
  background: #e3f2f3;
  color: var(--teal);
}

.badge.news {
  background: #f1e9e7;
  color: var(--red);
}

.score {
  display: grid;
  place-items: center;
  width: 34px;
  height: 26px;
  border-radius: 7px;
  background: #edf4ef;
  color: #44715a;
  font-weight: 800;
}

.score-low {
  background: #f4f7f4;
  color: #7a8780;
}

.score-mid {
  background: #edf4ef;
  color: #587c66;
}

.score-high {
  background: #dcece2;
  color: #2f6f55;
}

.score-top {
  background: #c6e2cf;
  color: #185f42;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}

.score-parts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.score-parts span {
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  padding: 3px 7px;
  font-size: 0.78rem;
}

.tag {
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  padding: 3px 7px;
  font-size: 0.8rem;
}

.feed-item {
  display: block;
  padding: 12px 14px;
}

.feed-main {
  min-width: 0;
}

.feed-title {
  font-weight: 700;
  line-height: 1.35;
}

.feed-item.is-recommended {
  border-color: rgba(47, 111, 85, 0.38);
  box-shadow: inset 3px 0 0 rgba(47, 111, 85, 0.72);
}

.recommended-badge {
  background: #e6f1eb;
  border: 1px solid rgba(47, 111, 85, 0.34);
  border-radius: 99px;
  color: var(--green);
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 800;
  margin-right: 6px;
  padding: 1px 7px;
  vertical-align: 1px;
}

.feed-title a:hover {
  color: var(--green);
}

.feed-desc {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 3px;
  line-height: 1.55;
}

.feed-desc .desc-source,
.paper-desc .desc-source {
  display: inline;
  font-weight: 400;
  margin-left: 4px;
  margin-top: 0;
  vertical-align: baseline;
  white-space: nowrap;
}

.source-inline-button {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--green);
  cursor: pointer;
  display: inline;
  font: inherit;
  font-size: 0.84rem;
  line-height: inherit;
  padding: 0;
}

.source-inline-button:hover {
  color: var(--ink);
}

.source-inline-list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-left: 6px;
  vertical-align: baseline;
  white-space: normal;
}

.source-inline-list[hidden] {
  display: none;
}

.source-inline-list span,
.source-inline-list a {
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.3;
  padding: 2px 7px;
}

.source-inline-list a:hover {
  color: var(--ink);
}

.feed-tags {
  margin-top: 7px;
}

.feedback {
  display: flex;
  gap: 3px;
  width: 56px;
}

.feedback button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  width: 26px;
  height: 24px;
  padding: 0;
}

.feedback button:hover {
  border-color: #b9c5bd;
  color: var(--ink);
}

.feedback svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feedback button.active {
  border-color: rgba(47, 111, 85, 0.45);
  background: #e6f1eb;
  color: var(--green);
  font-weight: 700;
}

.feedback button.negative {
  border-color: rgba(155, 71, 63, 0.42);
  background: #f7e9e7;
  color: var(--red);
}

.date-more {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 8px;
}

.date-more summary {
  color: var(--green);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-grid {
  display: grid;
  gap: 12px;
  max-width: 720px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
  padding: 9px 10px;
}

.field textarea {
  min-height: 86px;
  resize: vertical;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.source-list,
.log-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.source-tools {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1.2fr);
  gap: 12px;
  margin-top: 20px;
}

.compact-form {
  max-width: none;
}

.source-cluster {
  border-top: 1px solid var(--line);
  margin-top: 14px;
  padding-top: 12px;
}

.cluster-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.cluster-head strong {
  color: var(--ink);
  font-size: 1rem;
}

.cluster-head span {
  font-size: 0.86rem;
}

.source-role-note {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
  margin: -1px 0 7px;
}

.source-config-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 12px;
  overflow: hidden;
}

.source-config-head {
  align-items: center;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 10px;
  justify-content: space-between;
  padding: 8px 10px;
}

.source-config-head strong {
  font-size: 0.84rem;
}

.source-config-code {
  background: #fbfcfb;
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.74rem;
  line-height: 1.45;
  margin: 0;
  max-height: 360px;
  overflow: auto;
  padding: 10px;
  white-space: pre;
}

.log-item {
  padding: 12px 14px;
}

.project-goal-card {
  border-color: rgba(55, 116, 85, 0.24);
  background: #fbfdfb;
}

.source-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 106px;
  padding: 11px 12px;
}

.compact-source-list {
  display: grid;
  gap: 5px 8px;
  grid-template-columns: repeat(auto-fill, minmax(285px, 1fr));
  margin-top: 6px;
}

.source-row {
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 7px;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 34px;
  padding: 6px 8px;
}

.source-name {
  align-items: center;
  display: flex;
  gap: 6px;
  min-width: 0;
}

.source-name strong {
  display: block;
  font-size: 0.84rem;
  line-height: 1.25;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-grade-tag {
  background: rgba(47, 110, 80, 0.08);
  border: 1px solid rgba(47, 110, 80, 0.22);
  border-radius: 999px;
  color: var(--accent);
  flex: 0 0 auto;
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1;
  padding: 3px 6px;
}

.source-metrics {
  color: var(--muted);
  display: flex;
  flex-wrap: nowrap;
  gap: 7px;
  justify-content: flex-end;
  white-space: nowrap;
}

.source-metrics span {
  font-size: 0.74rem;
  line-height: 1.25;
}

.source-subgroup {
  display: grid;
  gap: 5px 8px;
  grid-column: 1 / -1;
  grid-template-columns: repeat(auto-fill, minmax(285px, 1fr));
}

.source-subgroup + .source-subgroup {
  margin-top: 6px;
}

.source-subgroup-title {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  grid-column: 1 / -1;
  padding: 4px 2px 0;
}

.source-local {
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 3px 8px;
}

.empty-row {
  color: var(--muted);
  font-size: 0.84rem;
  padding: 8px 2px;
}

.source-item strong,
.log-item strong {
  display: block;
  margin-bottom: 4px;
}

.source-item span,
.log-item p,
.wechat-note p {
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.wechat-note {
  display: grid;
  gap: 6px;
}

.wechat-note strong {
  color: var(--ink);
}

.source-actions {
  display: flex;
  gap: 6px;
  margin-top: auto;
}

.method-section {
  margin-top: 20px;
}

.config-export {
  display: grid;
  gap: 10px;
  padding: 12px 14px;
}

.config-export textarea {
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  min-height: 180px;
  padding: 10px;
  resize: vertical;
  width: 100%;
}

.config-status {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.method-list {
  display: grid;
  gap: 8px;
}

.method-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 12px;
  padding: 12px 14px;
}

.method-item strong {
  display: block;
  margin-bottom: 4px;
}

.method-item span,
.method-item p {
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.method-item b {
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--green);
  font-size: 0.8rem;
  padding: 3px 8px;
  align-self: start;
}

.method-item p {
  grid-column: 1 / -1;
}

.log-meta {
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 5px;
}

.log-body {
  display: grid;
  gap: 5px;
  margin-top: 8px;
}

.customize-intro {
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 16px;
  max-width: 760px;
}

.customize-intro p {
  margin: 0 0 12px;
}

.project-overview {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 1fr);
  margin-bottom: 18px;
  padding: 15px 2px;
}

.project-kicker {
  color: var(--green);
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.project-overview h2 {
  font-size: 1.06rem;
  line-height: 1.35;
  margin: 0 0 7px;
}

.project-overview p,
.project-overview dd {
  color: var(--muted);
  line-height: 1.55;
}

.project-overview p {
  margin: 0;
}

.project-overview-facts {
  display: grid;
  gap: 8px;
  margin: 0;
}

.project-overview-facts div {
  display: grid;
  gap: 3px;
  grid-template-columns: 64px minmax(0, 1fr);
}

.project-overview dt {
  font-weight: 700;
}

.project-overview dd {
  margin: 0;
}

.project-overview-links {
  display: flex;
  gap: 14px;
  grid-column: 1 / -1;
}

.project-overview-links a {
  color: var(--green);
  font-weight: 700;
}

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

.customize-item {
  align-items: start;
  display: grid;
  gap: 8px;
  padding: 14px;
}

.customize-item code,
.customize-steps code {
  color: var(--green);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.customize-item p,
.customize-steps p,
.customize-steps li {
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.customize-item .btn {
  justify-self: start;
}

.customize-steps {
  border-top: 1px solid var(--line);
  margin-top: 20px;
  padding-top: 16px;
}

.customize-steps h2 {
  font-size: 1rem;
  margin: 0 0 10px;
}

.customize-steps ol {
  margin: 0 0 12px;
  padding-left: 20px;
}

.customize-steps p {
  margin-bottom: 12px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.metric {
  padding: 12px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.metric strong {
  display: block;
  margin-top: 5px;
  font-size: 1.35rem;
}

.compact-note {
  border-left: 3px solid var(--green);
  color: var(--muted);
  line-height: 1.6;
  padding: 8px 0 8px 11px;
  margin-bottom: 14px;
}

@media (max-width: 780px) {
  .shell {
    display: block;
  }

  .side {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 12px;
  }

  .brand {
    padding: 8px 8px 12px;
  }

  .nav {
    display: flex;
    overflow-x: auto;
  }

  .nav a {
    flex: 0 0 auto;
  }

  .content {
    padding: 18px 14px 30px;
  }

  .page-head,
  .paper-top,
  .two-col {
    grid-template-columns: 1fr;
  }

  .page-head {
    display: grid;
    align-items: start;
  }

  .feed-item {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .source-tools {
    grid-template-columns: 1fr;
  }

  .source-item {
    grid-template-columns: 1fr;
  }

  .cluster-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .source-row {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .source-metrics {
    justify-content: flex-start;
  }

  .feedback {
    max-width: 220px;
  }

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

  .customize-grid {
    grid-template-columns: 1fr;
  }

  .project-overview {
    grid-template-columns: 1fr;
  }

  .project-overview-links {
    grid-column: auto;
  }
}