/**
 * feicaiclub visual sync ? sidebar / cards / archive / hover
 * Accent: #ff9500 / hover #ef8303  ?  Black: #0a0a0a
 */

/* ---- Sidebar ---- */
html[data-theme="dark"] .bp-sidebar {
  background: #0a0a0a;
  border-right-color: #1a1a1a;
}

.bp-sidebar-head {
  border-bottom: none;
  padding: 20px 18px 8px;
}

.bp-logo-text {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--bp-ink);
}

.bp-side-search {
  position: relative;
  display: flex;
  align-items: center;
  padding: 12px 14px;
}

.bp-side-search-ico {
  position: absolute;
  left: 26px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin: 0;
  transform: translateY(-50%);
  border: 1.5px solid var(--bp-mute-2);
  border-radius: 50%;
  pointer-events: none;
  box-sizing: border-box;
}
.bp-side-search-ico::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -3px;
  width: 6px;
  height: 1.5px;
  background: var(--bp-mute-2);
  transform: rotate(45deg);
}

.bp-side-search input {
  height: 40px;
  box-sizing: border-box;
  padding: 0 48px 0 36px;
  line-height: 40px;
  border-radius: 10px;
  border-color: transparent;
  background: #161616;
  color: var(--bp-ink);
  font-size: 0.9rem;
  appearance: none;
  -webkit-appearance: none;
}
.bp-side-search input::-webkit-search-decoration,
.bp-side-search input::-webkit-search-cancel-button,
.bp-side-search input::-webkit-search-results-button,
.bp-side-search input::-webkit-search-results-decoration {
  display: none;
  -webkit-appearance: none;
}
html[data-theme="light"] .bp-side-search input {
  background: #efefef;
}
.bp-side-search input:focus {
  border-color: var(--bp-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bp-accent) 22%, transparent);
}
.bp-side-search-kbd {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  line-height: 1;
  font-family: var(--bp-mono);
  font-size: 0.7rem;
  padding: 0 6px;
  border-radius: 6px;
  border: 1px solid var(--bp-hair);
  color: var(--bp-mute-2);
  background: transparent;
}

.bp-nav-wrap {
  display: grid;
  gap: 6px;
}

.bp-nav--primary {
  margin-bottom: 4px;
}

/* Align feicaiclub.cn .nav-item */
.bp-nav a {
  padding: 7px 10px;
  border-radius: 6px;
  gap: 10px;
  font-family: var(--bp-sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--bp-mute-2, #9a9a9a);
  background: transparent;
  transition: all 0.18s var(--bp-ease, cubic-bezier(0.2, 0.8, 0.2, 1));
  position: relative;
}
.bp-nav a:hover {
  color: var(--bp-ink);
  background: var(--bp-bg);
  padding-left: 14px;
}
.bp-nav a:hover::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 16px;
  border-radius: 2px;
  background: var(--bp-accent, #ff9500);
}
.bp-nav .is-active > a,
.bp-nav .current-menu-item > a {
  background: var(--bp-ink);
  color: var(--bp-bg);
  font-weight: 600;
  padding-left: 10px;
}
.bp-nav .is-active > a::before,
.bp-nav .current-menu-item > a::before,
.bp-nav .is-active > a:hover::before,
.bp-nav .current-menu-item > a:hover::before {
  display: none;
}
.bp-nav .is-active > a:hover,
.bp-nav .current-menu-item > a:hover {
  background: var(--bp-ink);
  color: var(--bp-bg);
  padding-left: 10px;
}

.bp-nav-label {
  flex: 1;
  min-width: 0;
  line-height: 1.35;
}
.bp-nav-ico,
.bp-nav-dot {
  flex: 0 0 auto;
}
.bp-nav-ico.bp-nav-ico--fa,
.bp-nav-ico.bp-nav-ico--svg,
.bp-nav-ico.bp-ficon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--bp-muted);
  background: transparent !important;
  border-radius: 0;
}
.bp-nav-ico.bp-nav-ico--fa i {
  font-size: 14px;
  line-height: 1;
  width: auto;
  height: auto;
}
.bp-nav a:hover .bp-nav-ico {
  color: var(--bp-accent, #ff9500);
}
.bp-nav .is-active > a .bp-nav-ico,
.bp-nav .current-menu-item > a .bp-nav-ico {
  color: var(--bp-bg);
}

.bp-nav-dot,
.bp-nav-ico:not(.bp-nav-ico--svg):not(.bp-ficon):not(.bp-nav-ico--fa) {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3a3a3a;
}
.bp-nav a:hover .bp-nav-dot,
.bp-nav a:hover .bp-nav-ico:not(.bp-nav-ico--svg):not(.bp-ficon):not(.bp-nav-ico--fa) {
  background: var(--bp-accent, #ff9500);
}
.bp-nav .is-active > a .bp-nav-dot,
.bp-nav .current-menu-item > a .bp-nav-dot,
.bp-nav .is-active > a .bp-nav-ico:not(.bp-nav-ico--svg):not(.bp-ficon):not(.bp-nav-ico--fa),
.bp-nav .current-menu-item > a .bp-nav-ico:not(.bp-nav-ico--svg):not(.bp-ficon):not(.bp-nav-ico--fa) {
  background: var(--bp-accent, #ff9500);
}

.bp-nav-chevron {
  margin-left: auto;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.55;
  flex: 0 0 auto;
  transition: transform 0.18s ease;
}
.bp-nav .menu-item-has-children.is-open > a .bp-nav-chevron,
.bp-nav .menu-item-has-children.is-active > a .bp-nav-chevron {
  transform: rotate(-135deg);
  opacity: 0.9;
}

/* Multi-level (BiuPro-only; feicaiclub is flat) */
.bp-nav .sub-menu,
.bp-nav .bp-sub-menu {
  list-style: none;
  margin: 2px 0 8px;
  padding: 0 0 0 12px;
  border-left: 1px solid color-mix(in srgb, var(--bp-ink) 12%, transparent);
  display: grid;
  gap: 2px;
}
.bp-nav .sub-menu a,
.bp-nav .bp-sub-menu a {
  padding: 6px 10px;
  font-size: 12.5px;
  font-weight: 500;
  border-radius: 5px;
  color: var(--bp-muted);
}
.bp-nav .sub-menu a:hover,
.bp-nav .bp-sub-menu a:hover {
  padding-left: 14px;
  color: var(--bp-ink);
  background: color-mix(in srgb, var(--bp-accent) 10%, transparent);
}
.bp-nav .sub-menu .is-active > a,
.bp-nav .sub-menu .current-menu-item > a,
.bp-nav .bp-sub-menu .is-active > a,
.bp-nav .bp-sub-menu .current-menu-item > a {
  background: color-mix(in srgb, var(--bp-accent) 16%, transparent);
  color: var(--bp-accent);
  font-weight: 700;
  padding-left: 10px;
}
.bp-nav .sub-menu .is-active > a .bp-nav-ico,
.bp-nav .sub-menu .current-menu-item > a .bp-nav-ico,
.bp-nav .bp-sub-menu .is-active > a .bp-nav-ico,
.bp-nav .bp-sub-menu .current-menu-item > a .bp-nav-ico,
.bp-nav .sub-menu .is-active > a .bp-nav-ico i,
.bp-nav .sub-menu .current-menu-item > a .bp-nav-ico i,
.bp-nav .bp-sub-menu .is-active > a .bp-nav-ico i,
.bp-nav .bp-sub-menu .current-menu-item > a .bp-nav-ico i {
  color: var(--bp-accent, #ff9500) !important;
  background: transparent !important;
}
.bp-nav .sub-menu a:hover .bp-nav-ico,
.bp-nav .bp-sub-menu a:hover .bp-nav-ico {
  color: var(--bp-accent, #ff9500);
}
.bp-nav .sub-menu .is-active > a::before,
.bp-nav .sub-menu .current-menu-item > a::before,
.bp-nav .bp-sub-menu .is-active > a::before,
.bp-nav .bp-sub-menu .current-menu-item > a::before {
  display: none;
}
.bp-nav .sub-menu .bp-nav-ico:not(.bp-nav-ico--fa):not(.bp-nav-ico--svg):not(.bp-ficon) {
  display: none;
}
.bp-nav .sub-menu .sub-menu,
.bp-nav .bp-sub-menu .bp-sub-menu {
  margin-left: 6px;
  padding-left: 10px;
}

html[data-theme="light"] .bp-nav a {
  color: #6b6b6b;
}
html[data-theme="light"] .bp-nav a:hover {
  color: #0a0a0a;
  background: #fff;
}
html[data-theme="light"] .bp-nav .is-active > a,
html[data-theme="light"] .bp-nav .current-menu-item > a {
  background: #0a0a0a;
  color: #fff;
}
html[data-theme="light"] .bp-nav .sub-menu .is-active > a,
html[data-theme="light"] .bp-nav .sub-menu .current-menu-item > a {
  background: color-mix(in srgb, #ff9500 14%, #fff);
  color: #ff9500;
}

.bp-nav-badge {
  margin-left: auto;
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bp-accent) 22%, transparent);
  color: var(--bp-accent);
  font-weight: 700;
}

.bp-nav-group-title {
  margin: 0 0 8px;
  padding: 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #5c5c5c;
  display: flex;
  gap: 8px;
  align-items: baseline;
}
.bp-nav-group-title .bp-mono {
  opacity: 0.7;
}

.bp-sidebar-foot {
  padding: 0;
  border-top: 1px solid var(--bp-hair);
  display: grid;
  gap: 0;
}

/* 对齐 feicaiclub.cn .sidebar-cta：ink 底 / bg 字，日夜自动反色 */
.bp-sidebar-cta {
  margin: 12px;
  padding: 18px 16px;
  border: 1px solid var(--bp-ink);
  border-radius: 12px;
  background: var(--bp-ink);
  color: var(--bp-bg);
  position: relative;
  overflow: hidden;
}
.bp-sidebar-cta::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -30%;
  width: 120%;
  height: 120%;
  background: radial-gradient(
    circle at center,
    color-mix(in srgb, var(--bp-accent) 40%, transparent),
    transparent 55%
  );
  pointer-events: none;
}
.bp-sidebar-cta-title {
  margin: 0 0 4px;
  font-family: var(--bp-sans);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  position: relative;
  color: var(--bp-bg);
}
.bp-sidebar-cta-desc {
  margin: 0 0 12px;
  font-size: 12px;
  color: color-mix(in srgb, var(--bp-bg) 72%, transparent);
  line-height: 1.5;
  position: relative;
}
.bp-sidebar-cta .bp-btn {
  position: relative;
  width: 100%;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  font-family: var(--bp-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: var(--bp-accent);
  color: var(--bp-accent-ink);
}
.bp-sidebar-cta .bp-btn:hover {
  background: var(--bp-accent-hov);
  color: var(--bp-accent-ink);
  transform: none;
}

/* 对齐 feicaiclub.cn .sidebar-biz */
.bp-sidebar-biz {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 12px 12px;
  padding: 12px 14px;
  background: transparent;
  border: 1.5px solid var(--bp-ink);
  border-radius: 8px;
  font-family: var(--bp-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--bp-ink);
  letter-spacing: 0.01em;
  text-align: left;
  box-shadow: 3px 3px 0 transparent;
  transition:
    transform 0.16s ease,
    background 0.16s ease,
    color 0.16s ease,
    box-shadow 0.16s ease;
}
.bp-sidebar-biz .bp-mono {
  font-family: var(--bp-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  font-weight: 600;
  color: var(--bp-accent);
  transition: color 0.16s ease, opacity 0.16s ease;
}
.bp-sidebar-biz:hover {
  background: var(--bp-ink);
  color: var(--bp-bg);
  border-color: var(--bp-ink);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--bp-accent);
}
.bp-sidebar-biz:hover .bp-mono {
  color: var(--bp-bg);
  opacity: 0.9;
}

/* ---- Card grid (feicaiclub) ---- */
.bp-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px 18px;
  margin-top: 22px;
}
.bp-card-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bp-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  color: inherit;
  text-decoration: none;
  background: var(--bp-paper);
  border: 1px solid var(--bp-hair);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 0 0 transparent;
  transition:
    transform 0.2s var(--bp-ease),
    border-color 0.2s var(--bp-ease),
    box-shadow 0.2s var(--bp-ease);
}
html[data-theme="dark"] .bp-card {
  border-color: #2a2a2a;
  background: #121212;
}
html[data-theme="light"] .bp-card {
  border-color: #d8d8dc;
  background: #fff;
}
.bp-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 #ff9500;
}
html[data-theme="dark"] .bp-card:hover {
  border-color: #ffffff;
}
html[data-theme="light"] .bp-card:hover {
  border-color: #0a0a0a;
}
.bp-card:hover .bp-card-title {
  color: var(--bp-accent);
}
.bp-card:hover .bp-card-dot {
  background: var(--bp-accent-hov);
}
.bp-card:hover .bp-card-media img,
.bp-card:hover .bp-card-media-empty {
  filter: brightness(1.04);
}

.bp-card-media {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #141414;
}
.bp-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: filter var(--bp-dur) var(--bp-ease);
}
.bp-card-media-empty {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(420px 180px at 30% 20%, color-mix(in srgb, var(--bp-accent) 22%, transparent), transparent 65%),
    linear-gradient(160deg, #1a1a1a, #0a0a0a);
}
.bp-card-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--bp-accent);
  color: #ffffff;
}

.bp-card-body {
  display: grid;
  gap: 6px;
  padding: 14px 14px 16px;
}
.bp-card-cat {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--bp-muted);
}
.bp-card-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bp-accent);
  flex: 0 0 auto;
  transition: background var(--bp-dur) var(--bp-ease);
}
.bp-card-cat-sep {
  opacity: 0.45;
}
.bp-card-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--bp-dur) var(--bp-ease);
}
.bp-card-excerpt {
  margin: 0;
  color: #7a7a7a;
  font-size: 0.86rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bp-card-foot {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--bp-hair);
  font-family: var(--bp-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--bp-mute-2);
}

/* ---- Archive hero ---- */
.bp-archive-head {
  padding: 28px 0 8px;
}
.bp-archive-title {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
}
.bp-archive-title .bp-hash {
  color: var(--bp-accent);
  margin-right: 2px;
}
.bp-archive-title::first-letter {
  /* keep # accent if present ? color whole title accent hash via span preferred */
}
.bp-archive-desc {
  max-width: 52rem;
  color: var(--bp-muted);
  margin-bottom: 22px;
  line-height: 1.6;
}
.bp-archive-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 520px;
  border-top: 1px solid var(--bp-hair);
  padding-top: 16px;
}
.bp-archive-stats > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 16px;
  border-left: 1px solid var(--bp-hair);
}
.bp-archive-stats > div:first-child {
  border-left: none;
  padding-left: 0;
}
.bp-archive-stats strong {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.bp-archive-stats span {
  font-family: var(--bp-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--bp-mute-2);
}

.bp-archive-search {
  display: flex;
  gap: 10px;
  margin: 18px 0 8px;
}
.bp-archive-search input {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--bp-hair);
  background: var(--bp-paper);
  color: var(--bp-ink);
}
.bp-archive-search input:focus {
  outline: none;
  border-color: var(--bp-accent);
}

.bp-filter button.is-active,
.bp-filter button:hover {
  color: var(--bp-accent-ink);
  background: var(--bp-accent);
  border-color: var(--bp-accent);
}
.bp-filter button:hover {
  background: var(--bp-accent-hov);
  border-color: var(--bp-accent-hov);
}

@media (max-width: 960px) {
  .bp-card-grid,
  .bp-card-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .bp-card-grid,
  .bp-card-grid--3 {
    grid-template-columns: 1fr;
  }
  .bp-archive-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .bp-archive-stats > div {
    border-left: none;
    padding: 0;
  }
}