:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #d9e1ec;
  --primary: #1f6feb;
  --primary-dark: #1759c9;
  --soft: #eaf2ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 32px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
}

.brand-logo {
  width: 118px;
  height: 48px;
  object-fit: contain;
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

#authBar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.quota-pill {
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--primary);
  font-weight: 700;
}

.logout-btn {
  min-height: auto;
  padding: 0;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
}

.logout-btn:hover {
  background: transparent;
  color: var(--primary);
}

.profile-link {
  color: var(--primary);
  font-weight: 700;
}

.home,
.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.auth-page {
  width: min(520px, calc(100% - 32px));
  margin: 0 auto;
  padding: 60px 0;
}

.admin-page {
  display: grid;
  gap: 18px;
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 60px;
}

.auth-panel {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.auth-panel h1 {
  font-size: 28px;
}

.auth-panel label {
  margin-bottom: 0;
}

.auth-tip {
  margin: 0;
  color: var(--muted);
}

.auth-tip a {
  color: var(--primary);
  font-weight: 700;
}

.legal-tip {
  line-height: 1.7;
}

.legal-check {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  font-weight: 500;
}

.legal-check input[type="checkbox"] {
  appearance: auto;
  width: 16px;
  min-width: 16px;
  height: 16px;
  min-height: 16px;
  flex: 0 0 auto;
  margin-top: 5px;
  padding: 0;
  border-radius: 3px;
}

.legal-tip a,
.legal-links a {
  margin: 0 4px;
  color: var(--primary);
  font-weight: 700;
}

.auth-qr {
  width: 150px;
  height: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
}

.admin-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-inner-form {
  display: grid;
  gap: 16px;
}

.prompt-panel textarea {
  min-height: 360px;
}

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

.post-admin-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.post-admin-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.post-admin-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.panel-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.panel-head-row h1 {
  margin-top: 0;
}

.member-table-wrap {
  overflow-x: auto;
}

.member-search-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.member-search-row input {
  max-width: 360px;
}

.member-table {
  width: 100%;
  border-collapse: collapse;
}

.member-table th,
.member-table td {
  border-bottom: 1px solid var(--line);
  padding: 11px 10px;
  text-align: left;
  white-space: nowrap;
}

.member-table th {
  background: #f6f8fb;
  font-weight: 700;
}

.member-table td:nth-child(2) {
  color: var(--primary);
  font-weight: 700;
}

.table-action-link {
  color: var(--primary);
  font-weight: 700;
}

.hero {
  padding: 30px 0 18px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-weight: 700;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: 40px;
  line-height: 1.18;
}

.hero-subtitle {
  margin: 12px 0 0;
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.45;
}

.hero-copy {
  max-width: 720px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.intro {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.slogan {
  max-width: 980px;
  margin: 18px 0 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
}

.home-ad-banner {
  width: 100%;
  margin: 0 0 18px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  overflow: hidden;
}

.home-ad-banner img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.home-ad-banner img[hidden],
.home-ad-placeholder[hidden] {
  display: none !important;
}

.home-ad-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 12px;
  border: 1px dashed #bfd3f8;
  border-radius: 8px;
  background: #f6f9ff;
  color: #7b8ba8;
  font-size: 14px;
  font-weight: 700;
}

.hero-action-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  max-width: 980px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 14px;
  margin-top: 20px;
}

.bid-quick-actions {
  flex-wrap: nowrap;
  gap: 10px;
  width: 100%;
  max-width: 1120px;
}

.bid-quick-actions .primary-btn,
.bid-quick-actions .secondary-link-btn {
  flex: 1 1 0;
  width: auto;
  min-width: 0;
  min-height: 44px;
  padding: 0 10px;
  font-size: 15px;
  white-space: nowrap;
}

.hero-actions .primary-btn {
  width: 136px;
  min-height: 52px;
  padding: 0 24px;
  font-size: 17px;
  font-weight: 700;
}

.primary-btn,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}

.secondary-btn {
  background: #eef4ff;
  color: var(--primary);
}

.secondary-btn:hover {
  background: #dceaff;
}

.primary-btn:hover {
  background: var(--primary-dark);
}

button:disabled,
.primary-btn:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-bottom: 18px;
}

.toolbox-product-grid {
  grid-template-columns: repeat(2, 1fr);
  width: 100%;
}

.toolbox-product-grid article {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 172px;
  padding: 16px 20px;
}

.feature-grid article,
.form-panel,
.result-card,
.empty,
.wechat-entry,
.excel-tools {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-grid article {
  padding: 18px 22px;
}

.feature-grid.toolbox-product-grid article {
  padding: 16px 20px;
}

.toolbox-product-grid .secondary-link-btn {
  margin-top: auto;
}

.feature-grid h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.feature-grid p,
.muted {
  color: var(--muted);
  line-height: 1.6;
}

.home-section {
  margin: 0 0 18px;
}

.home-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.home-card-grid article {
  min-height: 118px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.home-card-grid h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 17px;
}

.home-card-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 18px;
}

.profile-page {
  padding-bottom: 60px;
}

.profile-grid {
  display: grid;
  gap: 16px;
}

.content-panel {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.section-heading h2 {
  margin: 0 0 14px;
  font-size: 22px;
}

.post-list {
  display: grid;
  gap: 12px;
}

.post-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.post-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.post-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.post-date {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.wechat-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 60px;
  padding: 24px;
}

.wechat-entry h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.wechat-entry p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.wechat-entry img {
  width: 148px;
  height: 148px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
}

.media-entry {
  display: grid;
  gap: 16px;
  margin: 0 0 52px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.media-entry h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.media-entry p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.media-qr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.toolbox-qr-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.media-qr-grid article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
  text-align: center;
}

.media-qr-grid img {
  width: 150px;
  height: 150px;
  border-radius: 8px;
  object-fit: contain;
  background: #fff;
}

.media-qr-grid h3 {
  margin: 10px 0 4px;
  font-size: 16px;
}

.media-qr-grid p {
  margin: 0;
  color: var(--muted);
}

.qrcode-admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.qrcode-admin-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
  padding: 14px;
}

.qrcode-admin-card img {
  width: 150px;
  height: 150px;
  display: block;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 10px;
}

.qrcode-admin-card h3 {
  font-size: 15px;
  margin: 0 0 10px;
}

.qrcode-admin-card input[type="file"] {
  width: 100%;
  margin-bottom: 10px;
}

.home-banner-admin-card {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.home-banner-admin-card img {
  display: block;
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}


.mini-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  color: var(--text);
}

.result-wechat-entry {
  margin-top: -24px;
}

.page-title {
  padding: 36px 0 22px;
}

.page-title h1 {
  font-size: 30px;
}

.result-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.result-toolbar {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.result-toolbar p {
  margin: 0;
}

.result-optimize-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.export-btn {
  margin-top: 0;
}

.secondary-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  background: #eef4ff;
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
}

.secondary-link-btn:hover {
  background: #dceaff;
}

.excel-tools {
  display: grid;
  gap: 16px;
  margin-bottom: 18px;
  padding: 22px 24px;
}

.excel-tools h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.excel-tools p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.privacy-warning {
  padding: 12px 14px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  color: #92400e !important;
  font-weight: 600;
}

.legal-links {
  margin: 14px 0 0;
  color: var(--muted);
}

.experience-note {
  margin: 16px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  background: #f8fbff;
  color: var(--text);
  line-height: 1.7;
}

.experience-note strong {
  display: block;
  margin-bottom: 4px;
}

.experience-note p {
  margin: 0;
  color: var(--muted);
}

.mini-help {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.legal-panel {
  display: grid;
  gap: 12px;
}

.legal-panel h2 {
  margin: 8px 0 0;
  font-size: 20px;
}

.legal-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.quota-warning {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 18px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 8px;
}

.quota-warning p {
  margin: 0;
  color: #9a3412;
  line-height: 1.7;
}

.quota-warning img {
  width: 110px;
  height: 110px;
  border-radius: 8px;
  object-fit: cover;
}

.excel-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.file-upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin: 0;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.file-upload-btn:hover {
  background: var(--primary-dark);
}

.file-upload-btn input {
  display: none;
}

.excel-select-row {
  display: none;
}

.excel-select-row label {
  max-width: 560px;
  margin-bottom: 0;
}

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

.summary-card {
  display: grid;
  gap: 8px;
  min-height: 92px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.summary-card strong {
  font-size: 15px;
}

.summary-card span {
  color: var(--muted);
  line-height: 1.6;
}

.form-panel {
  padding: 24px;
  margin-bottom: 48px;
}

.bid-form h2 {
  margin: 10px 0 16px;
  font-size: 20px;
}

.bid-form h2:not(:first-child) {
  margin-top: 28px;
}

.bid-result-note {
  margin-bottom: 18px;
}

.bid-result-note p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.company-profile-list-panel {
  margin-bottom: 18px;
}

.company-profile-list {
  display: grid;
  gap: 12px;
}

.company-profile-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.company-profile-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.company-profile-item p {
  margin: 0 0 6px;
  color: var(--muted);
  line-height: 1.7;
}

.company-profile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.danger-btn {
  background: #fff1f2;
  color: #be123c;
}

.danger-btn:hover {
  background: #ffe4e6;
}

.business-response-list {
  display: grid;
  gap: 16px;
}

.business-response-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.business-response-item textarea {
  min-height: 280px;
  border: 0;
  border-radius: 0;
  line-height: 1.8;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--text);
  font: inherit;
  font-weight: 400;
  background: #fff;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  outline: 3px solid var(--soft);
}

.actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status {
  color: var(--muted);
}

.result-list {
  display: grid;
  gap: 14px;
  padding-bottom: 48px;
}

.result-card {
  overflow: hidden;
}

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: #fbfcfe;
  border-bottom: 1px solid var(--line);
}

.result-head h2 {
  margin: 0;
  font-size: 17px;
}

.copy-btn {
  min-height: 34px;
  padding: 0 12px;
  background: #eef4ff;
  color: var(--primary);
}

.copy-btn:hover {
  background: #dceaff;
}

.result-content {
  margin: 0;
  padding: 18px;
  white-space: pre-wrap;
  line-height: 1.8;
  font-family: inherit;
}

.empty {
  padding: 24px;
  color: var(--muted);
}

.empty a {
  color: var(--primary);
  font-weight: 700;
}

.risk-level {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 22px;
}

.risk-低 {
  background: #e9f9ef;
  color: #16753a;
}

.risk-中 {
  background: #fff5db;
  color: #9a6300;
}

.risk-高 {
  background: #ffe8e6;
  color: #b42318;
}

.check-row {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
  font-weight: 600;
}

.check-row input {
  width: auto;
  margin-top: 4px;
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }

  h1 {
    font-size: 30px;
  }

  .hero {
    padding: 24px 0 14px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-copy {
    font-size: 15px;
  }

  .feature-grid,
  .form-grid,
  .content-grid,
  .home-card-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .hero-action-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .page,
  .home {
    padding-left: 14px;
    padding-right: 14px;
  }

  .topbar nav {
    gap: 8px;
  }

  .topbar nav a,
  .topbar nav span {
    font-size: 14px;
  }

  .primary-btn,
  .secondary-btn,
  .secondary-link-btn,
  .file-upload-btn {
    width: 100%;
  }

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

  .bid-quick-actions {
    flex-wrap: wrap;
  }

  .bid-quick-actions .primary-btn,
  .bid-quick-actions .secondary-link-btn {
    flex: 1 1 140px;
  }

  .wechat-entry {
    align-items: flex-start;
    flex-direction: column;
  }

  .quota-warning {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel-head-row {
    flex-direction: column;
  }

  .member-search-row {
    align-items: stretch;
    flex-direction: column;
  }

  .member-search-row input {
    max-width: none;
  }

  .post-admin-item {
    flex-direction: column;
  }

  .company-profile-item {
    flex-direction: column;
  }

  .company-profile-actions {
    justify-content: flex-start;
  }

  .media-qr-grid {
    grid-template-columns: 1fr;
  }
}