/* TPR — light PaSa-like shell · white + PKU red */
:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --line: #e8e8ec;
  --line-strong: #d8d8de;
  --text: #1a1a1f;
  --muted: #6b6b76;
  --muted2: #8b8b96;
  /* 北大红 R139 G0 B18 */
  --pku: #8b0012;
  --pku-bright: #8b0012;
  --pku-deep: #6e000e;
  --pku-soft: rgba(139, 0, 18, 0.08);
  --pku-ring: rgba(139, 0, 18, 0.18);
  --ok-bg: #eefbf3;
  --ok-text: #0f7a45;
  --ok-line: #b7ebc9;
  --err-bg: #fff1f1;
  --err-text: #a11b1b;
  --err-line: #f0c0c0;
  --chip-bg: #f3f3f6;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(20, 20, 30, 0.06);
  --shadow-sm: 0 2px 10px rgba(20, 20, 30, 0.04);
  font-family: "Inter", "Noto Sans SC", "PingFang SC", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100%;
}
.bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(900px 420px at 15% -10%, rgba(139, 0, 18, 0.07), transparent 55%),
    radial-gradient(700px 360px at 100% 0%, rgba(139, 0, 18, 0.04), transparent 50%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 42%);
}
.top, main, footer { position: relative; z-index: 1; }

.top {
  max-width: 920px; margin: 0 auto;
  padding: 18px 20px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; gap: 12px; align-items: center; }
.mark-img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: block;
  box-shadow: 0 4px 14px rgba(139, 0, 18, 0.22);
  object-fit: cover;
  background: var(--pku);
}
.name {
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 17px;
  color: var(--pku);
  line-height: 1.1;
}
.sub {
  color: var(--muted);
  font-size: 11.5px;
  margin-top: 3px;
  letter-spacing: 0.01em;
}
.badge {
  font-size: 12px; color: var(--pku);
  border: 1px solid rgba(139, 0, 18, 0.22);
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--pku-soft);
  max-width: 48vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

main { max-width: 920px; margin: 0 auto; padding: 28px 20px 80px; }

/* ——— Results page (PaSa-style): slim top bar + re-search ——— */
.brand-link { text-decoration: none; }
.top-results {
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  max-width: 1000px;
}
.top-results .brand-link .name { font-size: 15px; }
.top-results .brand-link .sub { display: none; }
.search-sm {
  flex: 1;
  gap: 8px;
}
.search-sm textarea {
  min-height: 44px;
  resize: none;
  padding: 10px 14px;
  font-size: 15px;
  border-radius: 12px;
}
.search-sm button {
  min-width: 92px;
  padding: 0 16px;
  font-size: 14px;
  border-radius: 12px;
}
.main-results { padding-top: 18px; }

@media (max-width: 640px) {
  .top-results { flex-wrap: wrap; gap: 10px; }
  .top-results .brand-link .name { display: none; }
  .top-results .badge { display: none; }
  .search-sm { flex-basis: 100%; order: 3; }
  .main-results { padding-top: 12px; }
}

.hero {
  text-align: center;
  padding: 28px 0 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-logo {
  display: block;
  width: min(460px, 80vw);
  height: auto;
  margin: 0 auto 14px;
  user-select: none;
  -webkit-user-drag: none;
}
.kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pku-bright);
  font-weight: 600;
}
.hero-tagline {
  margin: 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.5;
  color: var(--muted);
  font-weight: 500;
  max-width: 28em;
}
.hero h1 {
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.2;
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.hero .em { color: var(--pku-bright); }
.lead {
  color: var(--muted);
  max-width: 40em;
  line-height: 1.65;
  margin: 0 auto;
  font-size: 15px;
}
.panel.hero-panel {
  margin-top: 22px;
}

.panel, .hero-panel {
  margin-top: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 16px;
  box-shadow: var(--shadow);
}
.hero-panel {
  border-top: 3px solid var(--pku-bright);
}

.search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: stretch;
}
.search textarea {
  width: 100%;
  resize: vertical;
  min-height: 76px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: #fafafa;
  color: var(--text);
  padding: 14px 16px;
  font-size: 16px;
  line-height: 1.5;
  outline: none;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.search textarea:focus {
  background: #fff;
  border-color: var(--pku-bright);
  box-shadow: 0 0 0 4px var(--pku-ring);
}
.search button {
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  background: linear-gradient(180deg, var(--pku), var(--pku-deep));
  color: #fff;
  font-weight: 650;
  padding: 0 22px;
  min-width: 120px;
  font-size: 15px;
  box-shadow: 0 8px 20px rgba(139, 0, 18, 0.25);
}
.search button:hover { filter: brightness(1.05); }
.search button:disabled { opacity: .55; cursor: wait; filter: none; }

.invite-row {
  margin-top: 14px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
}
.invite-label {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}
.invite-label .req { color: var(--pku-bright); }
.invite-row input {
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: #fafafa;
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
}
.invite-row input:focus {
  background: #fff;
  border-color: var(--pku-bright);
  box-shadow: 0 0 0 4px var(--pku-ring);
}
.auth-state {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted, #6b7280);
}
.auth-state:not([hidden]) {
  display: flex;
  align-items: center;
  gap: 8px;
}

.examples {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--muted2);
  font-size: 12px;
}
.examples button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--text);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  max-width: 100%;
  line-height: 1.35;
  text-align: left;
}
.examples button:hover {
  border-color: rgba(139, 0, 18, 0.35);
  color: var(--pku);
  background: var(--pku-soft);
}

/* live expand timeline */
.timeline {
  margin-top: 18px;
  display: grid;
  gap: 8px;
}
.tl-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--muted);
  box-shadow: var(--shadow-sm);
  animation: rise .25s ease;
}
.tl-item.active {
  border-color: rgba(139, 0, 18, 0.35);
  color: var(--pku);
  background: linear-gradient(180deg, #fff, #fff8f8);
}
.tl-item .tl-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.tl-item code {
  font-size: 11px;
  background: var(--chip-bg);
  padding: 1px 6px;
  border-radius: 6px;
  color: #444;
}
.tl-queries {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.tl-q {
  font-size: 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 3px 8px;
  background: #fafafa;
  color: var(--muted);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tl-q.done-ok { border-color: var(--ok-line); color: var(--ok-text); background: var(--ok-bg); }
.tl-q.done-empty { opacity: .7; }

.progress-wrap {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.progress-track {
  height: 8px;
  border-radius: 999px;
  background: #eeeef2;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 8%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pku-bright), var(--pku-deep));
  background-size: 200% 100%;
  transition: width 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
  position: relative;
}
.progress-bar.smoothing {
  transition: none; /* rAF drives width; CSS transition would fight it */
  animation: bar-sheen 2.2s ease-in-out infinite;
}
.progress-bar.indeterminate {
  width: 35%;
  animation: pulse-bar 1.1s ease-in-out infinite;
}
.progress-bar.smoothing::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.35) 45%,
    transparent 70%
  );
  background-size: 220% 100%;
  animation: bar-glint 1.6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes bar-sheen {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.06); }
}
@keyframes bar-glint {
  0% { background-position: 120% 0; opacity: 0.35; }
  50% { opacity: 0.7; }
  100% { background-position: -40% 0; opacity: 0.35; }
}
.progress-phase {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--pku);
  margin-bottom: 8px;
}
.progress-phase[data-phase="2"] {
  color: var(--pku-bright);
}
.progress-label {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}
.summary {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--pku-bright);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
}
.summary .sum-title {
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--pku);
}
.summary ul {
  margin: 0;
  padding-left: 1.1em;
  color: var(--text);
}
.summary li { margin: 4px 0; }
.summary .muted { color: var(--muted); font-size: 12px; margin-top: 8px; }

/* 科研全景：默认折叠，置顶醒目入口 */
.report {
  margin-top: 18px;
  margin-bottom: 8px;
}
.report .rp-fold {
  background: var(--surface);
  border: 1px solid rgba(139, 0, 18, 0.28);
  border-radius: 16px;
  box-shadow: 0 8px 28px rgba(139, 0, 18, 0.1);
  overflow: hidden;
}
.report .rp-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background:
    linear-gradient(105deg, rgba(139, 0, 18, 0.1) 0%, rgba(255, 255, 255, 0.95) 42%, #fff 100%);
  user-select: none;
}
.report .rp-summary::-webkit-details-marker { display: none; }
.report .rp-summary::marker { content: ""; }
.report .rp-badge {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  background: linear-gradient(145deg, var(--pku), var(--pku-deep));
  border-radius: 999px;
  padding: 7px 12px;
  box-shadow: 0 4px 12px rgba(139, 0, 18, 0.35);
}
.report .rp-summary-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.report .rp-summary-title {
  font-weight: 800;
  font-size: 15px;
  color: var(--pku);
  letter-spacing: 0.01em;
}
.report .rp-summary-teaser {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.report .rp-summary-cta {
  flex-shrink: 0;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--pku-bright);
  border: 1px solid rgba(139, 0, 18, 0.3);
  border-radius: 999px;
  padding: 6px 12px;
  background: #fff;
}
.report .rp-fold[open] .rp-summary {
  border-bottom: 1px solid rgba(139, 0, 18, 0.12);
}
.report .rp-fold[open] .rp-summary-cta {
  background: var(--pku-soft);
}
.report .rp-body {
  padding: 8px 18px 20px;
}
.report .rp-sub {
  margin: 10px 0 4px;
  font-size: 12.5px;
  color: var(--muted2);
}
.report .rp-sec { margin-top: 18px; }
.report .rp-sec-h {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.report .rp-no {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(145deg, var(--pku), var(--pku-deep));
  flex-shrink: 0;
}
.report .rp-status p {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
}
.report .rp-status p:last-child { margin-bottom: 0; }
.report .rp-paths {
  display: grid;
  gap: 12px;
}
.report .rp-path {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 14px 12px;
  background: #fafafa;
}
.report .rp-path-h {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
}
.report .rp-idx {
  font-size: 12px;
  font-weight: 800;
  color: var(--pku-bright);
  letter-spacing: 0.04em;
  padding-top: 2px;
}
.report .rp-path h4 {
  margin: 0 0 4px;
  font-size: 14.5px;
  font-weight: 700;
}
.report .rp-desc {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}
.report .rp-block { margin-top: 8px; }
.report .rp-k {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--pku);
  margin-bottom: 6px;
}
.report .rp-sota {
  background: var(--pku-soft);
  border-radius: 8px;
  padding: 10px 12px;
}
.report .rp-sota p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text);
}
.report .rp-papers {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}
.report .rp-papers li {
  font-size: 12.5px;
  line-height: 1.45;
  color: #333;
  padding: 4px 0;
  border-bottom: 1px dashed #eee;
}
.report .rp-papers li:last-child { border-bottom: 0; }
.report .rp-ptitle { margin-right: 6px; }
.report .rp-meta {
  font-size: 11px;
  color: var(--muted2);
  margin-left: 4px;
}
.report .rp-muted {
  font-size: 12.5px;
  color: var(--muted2);
}
.report .rp-teams {
  margin-top: 14px;
  padding-top: 4px;
}
.report .rp-teams ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.report .rp-teams li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
  font-size: 12.5px;
  color: var(--muted);
}
.report .rp-teams strong {
  display: block;
  color: var(--text);
  font-size: 13px;
  margin-bottom: 4px;
}
.report .rp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.report .rp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.report .rp-table th,
.report .rp-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.45;
}
.report .rp-table th {
  background: #fafafa;
  color: var(--muted);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.03em;
}
.report .rp-table tr:last-child td { border-bottom: 0; }
.report .rp-table .rp-hint {
  color: var(--muted);
  font-size: 12px;
}
.report .rp-benches {
  margin-top: 14px;
}
.report .rp-benches ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.report .rp-benches > ul > li {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #fafafa;
}
.report .rp-bench-name {
  font-weight: 700;
  font-size: 13.5px;
  margin-bottom: 4px;
  color: var(--text);
}
.report .rp-focus {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 8px;
  line-height: 1.45;
}

.results-toolbar {
  margin-top: 22px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.results-toolbar-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
}
.btn-export {
  border: 1px solid rgba(139, 0, 18, 0.28);
  background: #fff;
  color: var(--pku);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.btn-export:hover {
  background: var(--pku-soft);
  border-color: rgba(139, 0, 18, 0.45);
}

.card .orgs {
  margin-top: 8px;
  font-size: 12px;
  color: #444;
  line-height: 1.45;
}
.card .orgs .org-label {
  color: var(--muted2);
  margin-right: 4px;
}
@keyframes pulse-bar {
  0% { transform: translateX(-40%); }
  100% { transform: translateX(220%); }
}

.status {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
}
.status.err {
  border-color: var(--err-line);
  color: var(--err-text);
  background: var(--err-bg);
}
.status.ok {
  border-color: var(--ok-line);
  color: var(--ok-text);
  background: var(--ok-bg);
}

.results {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--pku-bright);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  animation: rise .28s ease;
}
.card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}
.card .idx {
  color: var(--pku-bright);
  font-weight: 700;
  min-width: 1.2em;
}
.card .cites { color: var(--muted2); }
.card .abs summary {
  cursor: pointer;
  color: var(--pku);
  font-weight: 500;
  list-style: none;
}
.card .abs summary::-webkit-details-marker { display: none; }
.card .abs summary::before {
  content: "▸ ";
  color: var(--muted2);
}
.card .abs[open] summary::before { content: "▾ "; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 999px;
  padding: 2px 8px;
  background: var(--pku-soft);
  border: 1px solid rgba(139, 0, 18, 0.22);
  color: var(--pku);
  font-weight: 600;
}
.chip.cas {
  color: #0f7a45;
  background: var(--ok-bg);
  border-color: var(--ok-line);
}
.chip.auth {
  color: #8a5a00;
  background: #fff7e8;
  border-color: #f0d9a8;
}
.chip.fam {
  color: #3a3a80;
  background: #f0f0ff;
  border-color: #d0d0f0;
  font-weight: 500;
}
.card h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 650;
}
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { color: var(--pku-bright); }
.card .venue { margin-top: 6px; font-size: 13px; color: var(--muted); }
.card .authors { margin-top: 8px; font-size: 12px; color: #555; }
.card .abs { margin-top: 10px; color: var(--muted); font-size: 12px; }
.card .abs p {
  margin: 8px 0 0;
  color: #3a3a42;
  font-size: 13px;
  line-height: 1.6;
}
.card-actions {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.btn-link {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(139, 0, 18, 0.3);
  color: var(--pku);
  text-decoration: none;
  font-size: 12px;
  background: #fff;
}
.btn-link:hover { background: var(--pku-soft); }
.doi {
  font-size: 11px;
  color: var(--muted2);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.axes { margin-top: 48px; }
.axes h2 {
  font-size: 16px;
  margin: 0 0 14px;
  padding-left: 10px;
  border-left: 3px solid var(--pku-bright);
  color: var(--text);
}
.grid3 {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.grid3 article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.grid3 article:hover { border-color: rgba(139, 0, 18, 0.28); }
.grid3 h3 { margin: 0 0 8px; font-size: 14px; color: var(--pku); }
.grid3 p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

footer {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px 20px 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  color: var(--muted2);
  font-size: 12px;
  border-top: 1px solid var(--line);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  .search { grid-template-columns: 1fr; }
  .search button { min-height: 44px; }
  .badge { max-width: 42vw; }
}

/* =========================================================
   大气版布局 · 首页满屏居中 / 结果页宽屏（PaSa 式）
   ========================================================= */
:root {
  --w-landing: 1120px;
  --w-results: 1360px;
}

/* ---------- 首页：顶部对齐、更宽、整体上移 ---------- */
body[data-page="landing"] .top {
  max-width: var(--w-landing);
}
body[data-page="landing"] main {
  max-width: var(--w-landing);
  width: 100%;
  margin: 0 auto;
  padding: 88px 20px 72px;
}
body[data-page="landing"] .hero { padding: 0 0 28px; }
body[data-page="landing"] .hero-logo {
  width: min(560px, 84vw);
  margin-bottom: 26px;
}
body[data-page="landing"] .kicker {
  font-size: 13px;
  letter-spacing: 0.16em;
  margin-bottom: 14px;
}
body[data-page="landing"] .hero-tagline {
  font-size: clamp(18px, 2.8vw, 22px);
  max-width: 34em;
}
body[data-page="landing"] .panel.hero-panel {
  margin-top: 28px;
  padding: 24px;
  border-radius: 22px;
  box-shadow: 0 16px 50px rgba(20, 20, 30, 0.08);
}
body[data-page="landing"] .search { gap: 14px; }
body[data-page="landing"] .search textarea {
  min-height: 96px;
  font-size: 17px;
  padding: 18px 20px;
}
body[data-page="landing"] .search button {
  font-size: 16px;
  min-width: 140px;
  padding: 0 28px;
}
body[data-page="landing"] .invite-row { margin-top: 18px; gap: 12px; }
body[data-page="landing"] .invite-row input { padding: 12px 14px; font-size: 15px; }
body[data-page="landing"] .examples { margin-top: 18px; gap: 10px; }
body[data-page="landing"] .examples button { padding: 9px 14px; font-size: 13px; }

/* ---------- 结果页：宽屏 ---------- */
body[data-page="results"] .top.top-results {
  max-width: var(--w-results);
  padding-top: 20px;
}
body[data-page="results"] .main-results {
  max-width: var(--w-results);
  width: 100%;
  padding-top: 22px;
}
body[data-page="results"] .results { grid-template-columns: 1fr; }
@media (min-width: 1100px) {
  body[data-page="results"] .results {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}
body[data-page="results"] .card { padding: 20px 22px; }
body[data-page="results"] .card h3 { font-size: 17px; line-height: 1.4; }

/* 短屏笔记本：首页适度收敛，避免溢出 */
@media (max-height: 760px) and (min-width: 641px) {
  body[data-page="landing"] main { padding: 28px 20px 44px; }
  body[data-page="landing"] .hero-logo { width: min(440px, 74vw); margin-bottom: 18px; }
  body[data-page="landing"] .panel.hero-panel { margin-top: 20px; padding: 20px; }
}