.nav-interact-main {
  padding: 1rem 0 2rem;
}
.nav-interact-wrap {
  max-width: 1200px;
  margin: 0 auto;
}
.nav-interact-wrap::after {
  content: "";
  display: table;
  clear: both;
}
.nav-interact-panel {
  background: var(--bg-base, #fff);
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: var(--radius-md, 10px);
  padding: 1.25rem 1.5rem 1.5rem;
  box-shadow: var(--shadow-xs, 0 8px 24px rgba(0, 0, 0, .06));
}
.nav-interact-panel .h2 {
  margin: 0 0 .75rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary, #2f66ff);
}
.nav-interact-panel > p {
  margin: 0 0 1rem;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--secondary-color, #595c5f);
}
.nav-interact-panel .row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: .75rem;
}
.nav-interact-panel .input-group {
  display: flex;
  flex: 1 1 calc(25% - .6rem);
  min-width: 200px;
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: var(--radius-sm, 6px);
  overflow: hidden;
  background: var(--bg-base, #fff);
}
.nav-interact-panel .input-group-addon {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: 0 .75rem;
  background: var(--bg-secondary, #f5f7fa);
  color: var(--secondary-color, #595c5f);
  border-right: 1px solid var(--border-color, #dee2e6);
}
.nav-interact-panel .form-control {
  flex: 1;
  border: none;
  padding: .625rem .75rem;
  font-size: .875rem;
  outline: none;
  background: transparent;
  color: var(--body-color, #212529);
  min-width: 0;
}
.nav-interact-panel textarea.form-control {
  width: 100%;
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: var(--radius-sm, 6px);
  resize: vertical;
  min-height: 88px;
}
.nav-interact-panel > label {
  display: block;
  margin: .75rem 0 .5rem;
  font-size: .875rem;
}
.nav-interact-panel .captcha-group {
  flex: 0 1 320px;
  min-width: 260px;
}
.nav-interact-panel .input-group-addon.captcha-addon {
  padding: 0;
  min-width: auto;
  border-right: none;
  border-left: 1px solid var(--border-color, #dee2e6);
}
.nav-interact-panel .input-group-addon.captcha-addon img {
  display: block;
  height: 38px;
  width: 110px;
  cursor: pointer;
  object-fit: cover;
}
.nav-interact-panel .form-control.yzm {
  max-width: 140px;
}
.nav-interact-panel .form-group {
  display: flex;
  align-items: center;
  gap: .875rem;
  flex: 1 1 auto;
  margin: 0;
}
.nav-interact-panel .btn-submit {
  padding: .625rem 2rem;
  font-size: .9375rem;
  border: none;
  border-radius: var(--radius-sm, 6px);
  background: var(--color-primary, #2f66ff);
  color: #fff;
  cursor: pointer;
}
.nav-interact-panel .btn-submit:disabled {
  opacity: .7;
  cursor: not-allowed;
}
.nav-interact-panel .loading {
  display: none;
  margin: 0;
  font-size: .875rem;
  color: var(--secondary-color, #595c5f);
}
.nav-interact-panel .loading.show {
  display: inline;
}
.nav-interact-panel .submit-error {
  margin: .75rem 0 0;
  color: #dc3545;
  font-size: .875rem;
}
.nav-interact-success {
  display: none;
  background: var(--bg-base, #fff);
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: var(--radius-md, 10px);
  padding: 3rem 1.5rem;
  text-align: center;
}
.nav-interact-success.show {
  display: block;
}
.nav-interact-success i {
  display: block;
  font-size: 3rem;
  color: #27ae60;
  margin-bottom: .75rem;
}

.book-page-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  gap: 1.25rem;
  align-items: start;
}
.book-page-wrap .bookadd {
  float: none;
  width: auto;
  position: sticky;
  top: 5.5rem;
  margin: 0;
}
.book-page-wrap .bookadd .nav-interact-panel {
  padding: 1rem 1.125rem 1.25rem;
}
.book-page-wrap .bookadd .book-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  margin-top: .25rem;
}
.book-page-wrap .bookadd .book-form-grid .input-group {
  flex: none;
  min-width: 0;
  width: 100%;
}
.book-page-wrap .bookadd .book-form-grid .captcha-group {
  grid-column: 1 / -1;
  flex: none;
  min-width: 0;
}
.book-page-wrap .bookadd .book-form-grid .form-control.yzm {
  max-width: none;
}
.book-page-wrap .bookadd .book-form-grid .book-form-action {
  grid-column: 1 / -1;
  flex-direction: column;
  align-items: stretch;
  gap: .5rem;
}
.book-page-wrap .bookadd .book-form-grid .btn-submit {
  width: 100%;
  padding: .6875rem 1rem;
}
.book-page-wrap .bookadd .row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
}
.book-page-wrap .booklist {
  width: auto;
  min-height: 320px;
}
.book-content ul {
  margin: 0;
  padding: 0;
}
.book-content li {
  list-style: none;
  padding: .875rem .875rem 0;
  background: var(--bg-base, #fff);
  margin-bottom: .75rem;
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: var(--radius-sm, 6px);
}
.book-content li:hover {
  border-color: var(--color-primary, #2f66ff);
}
.booklist .avatar {
  border-radius: 50%;
  float: left;
  height: 40px;
  width: 40px;
  overflow: hidden;
}
.booklist .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.booklist .Sid {
  float: right;
  color: var(--tertiary-color, #909294);
  font-size: .75rem;
}
.booklist .bcontent {
  margin-left: 54px;
  overflow: hidden;
  padding-bottom: .875rem;
}
.booklist .name {
  color: var(--secondary-color, #595c5f);
  font-size: .75rem;
  font-weight: 600;
}
.booklist .metadata {
  color: var(--tertiary-color, #909294);
  font-size: .6875rem;
}
.booklist .title {
  margin: .375rem 0 0;
  line-height: 1.6;
  color: var(--body-color, #212529);
  white-space: normal;
}
.book-empty {
  padding: 1.5rem .875rem;
  color: var(--secondary-color, #595c5f);
  text-align: center;
}

.nav-recent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: .75rem;
  margin-top: 1rem;
}
.nav-recent-card {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  padding: .75rem;
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: var(--radius-sm, 6px);
  background: var(--bg-base, #fff);
  color: inherit;
  text-decoration: none;
}
.nav-recent-card:hover {
  border-color: var(--color-primary, #2f66ff);
}
.nav-recent-icon {
  flex: 0 0 2.25rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: .375rem;
  overflow: hidden;
  background: var(--bg-muted, #f5f6f7);
}
.nav-recent-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.nav-recent-body {
  min-width: 0;
  flex: 1;
}
.nav-recent-card .title {
  font-size: .875rem;
  font-weight: 600;
  margin: 0 0 .25rem;
}
.nav-recent-card .url {
  font-size: .75rem;
  color: var(--tertiary-color, #909294);
  word-break: break-all;
}
.section-empty {
  color: var(--secondary-color, #595c5f);
  font-size: .875rem;
  padding: .5rem 0;
}

@media (max-width: 992px) {
  .book-page-wrap {
    grid-template-columns: 1fr;
  }
  .book-page-wrap .bookadd,
  .book-page-wrap .booklist {
    width: 100%;
    float: none;
    position: static;
  }
  .book-page-wrap .bookadd .book-form-grid {
    grid-template-columns: 1fr;
  }
  .nav-interact-panel .input-group,
  .nav-interact-panel .captcha-group {
    flex: 1 1 100%;
  }
}