/* ==========================================================================
 * 投稿广场 / 艺术名画 列表页
 * 共用 .gp-* 骨架，用 body.page-contribution / body.page-masterpiece 换主题
 * 卡片视觉复用 list-card.css 的 .home-cover-card
 * ========================================================================== */

body.page-contribution,
body.page-masterpiece {
  --gp-header: 56px;
  --gp-ease: cubic-bezier(0.22, 0.8, 0.28, 1);
  --gp-radius: 18px;
  --gp-ink: #15202b;
  --gp-muted: #667085;
  --gp-line: rgba(21, 32, 43, 0.08);
  --gp-surface: #ffffff;
  --gp-canvas: #eef3f6;
  padding-top: 0 !important;
  background: var(--gp-canvas);
}

body.page-contribution {
  --gp-accent: #ff5745;
  --gp-accent-2: #0f766e;
  --gp-accent-soft: rgba(15, 118, 110, 0.14);
  --gp-hero-a: rgba(255, 87, 69, 0.34);
  --gp-hero-b: rgba(15, 118, 110, 0.38);
}

body.page-masterpiece {
  --gp-accent: #d4a24a;
  --gp-accent-2: #7c2d12;
  --gp-accent-soft: rgba(212, 162, 74, 0.16);
  --gp-hero-a: rgba(212, 162, 74, 0.32);
  --gp-hero-b: rgba(124, 45, 18, 0.42);
}

body.page-contribution.nice-dark-mode,
body.page-masterpiece.nice-dark-mode {
  --gp-ink: #f2f4f7;
  --gp-muted: #a8b0bd;
  --gp-line: rgba(255, 255, 255, 0.1);
  --gp-surface: #23272e;
  --gp-canvas: #171a1f;
}

.gp-page {
  color: var(--gp-ink);
  min-height: 70vh;
  padding-bottom: 3.5rem;
}

.gp-page .container {
  width: 100%;
}

/* —— Hero —— */
.gp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  padding: calc(var(--gp-header) + 1.5rem) 0 2rem;
  background: #12151c;
}

.gp-hero-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  filter: saturate(1.05);
  animation: gpKen 28s ease-in-out infinite alternate;
}

@keyframes gpKen {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.12) translate3d(-1.5%, 1%, 0); }
}

.gp-btn-primary:hover {
  filter: brightness(1.06);
}

.gp-hero-fx {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(10, 12, 16, 0.28) 0%, rgba(10, 12, 16, 0.55) 48%, rgba(10, 12, 16, 0.78) 100%),
    radial-gradient(80% 70% at 8% 0%, var(--gp-hero-a), transparent 58%),
    radial-gradient(70% 70% at 92% 110%, var(--gp-hero-b), transparent 52%);
}

.gp-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
  opacity: 0.5;
}

.gp-hero-orb-a {
  width: min(48vw, 22rem);
  height: min(48vw, 22rem);
  top: -28%;
  left: -8%;
  background: var(--gp-accent);
}

.gp-hero-orb-b {
  width: min(38vw, 16rem);
  height: min(38vw, 16rem);
  right: -6%;
  bottom: -32%;
  background: var(--gp-accent-2);
  opacity: 0.35;
}

.gp-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1.75rem 2rem;
  align-items: end;
}

.gp-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}

.gp-heading {
  margin: 0 0 0.65rem;
  font-size: clamp(1.75rem, 4.2vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.038em;
  line-height: 1.12;
}

.gp-lead {
  margin: 0 0 1.25rem;
  max-width: 36rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.98rem;
  line-height: 1.6;
}

.gp-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.15rem;
}

.gp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.7rem;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none !important;
  border: 1px solid transparent;
  transition: transform 0.2s var(--gp-ease), background 0.2s var(--gp-ease), color 0.2s var(--gp-ease), border-color 0.2s var(--gp-ease);
}

.gp-btn:hover {
  transform: translateY(-1px);
}

.gp-btn-primary {
  color: #fff;
  background: var(--gp-accent);
  box-shadow: 0 10px 22px -12px var(--gp-accent);
}

.page-masterpiece .gp-btn-primary {
  color: #3d2a08;
  background: linear-gradient(135deg, #f3d089, #d4a24a);
  box-shadow: 0 10px 22px -12px rgba(146, 96, 8, 0.85);
}

.gp-btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.gp-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* 精选拼图 */
.gp-feat {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.6rem;
  min-height: 16.5rem;
}

.gp-feat.is-one {
  grid-template-columns: 1fr;
}

.gp-feat.is-one .gp-feat-item:first-child {
  grid-row: auto;
}

.gp-feat.is-two {
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: 1fr;
}

.gp-feat.is-two .gp-feat-item:first-child {
  grid-row: auto;
}

.gp-feat-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  min-height: 7.5rem;
  isolation: isolate;
  color: inherit;
  text-decoration: none !important;
  box-shadow: 0 14px 32px -20px rgba(0, 0, 0, 0.7);
}

.gp-feat-item:first-child {
  grid-row: 1 / span 2;
  min-height: 16.5rem;
}

.gp-feat-item img,
.gp-feat-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-size: cover;
  background-position: center;
  transition: transform 0.55s var(--gp-ease);
}

.gp-feat-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(0, 0, 0, 0.62) 100%);
  z-index: 1;
}

.gp-feat-meta {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 0.85rem 0.95rem;
}

.gp-feat-meta strong {
  display: block;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.gp-feat-meta span {
  display: block;
  margin-top: 0.15rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.75rem;
}

@media (hover: hover) {
  .gp-feat-item:hover img,
  .gp-feat-item:hover .gp-feat-bg {
    transform: scale(1.06);
  }
}

.gp-feat-item:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.7);
  outline-offset: 3px;
}

/* —— 列表区 —— */
.gp-main {
  padding-top: 1.5rem;
}

.gp-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.gp-toolbar h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gp-toolbar p {
  margin: 0.2rem 0 0;
  color: var(--gp-muted);
  font-size: 0.85rem;
}

.gp-toolbar-link {
  flex: 0 0 auto;
  color: var(--gp-accent-2);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none !important;
}

.page-masterpiece .gp-toolbar-link {
  color: #b45309;
}

.nice-dark-mode.page-masterpiece .gp-toolbar-link {
  color: #f3d089;
}

.nice-dark-mode.page-contribution .gp-toolbar-link {
  color: #5eead4;
}

.gp-empty {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--gp-muted);
}

.gp-more {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.gp-more .dposts-ajax-load {
  min-width: 10.5rem;
  border-radius: 999px;
  font-weight: 700;
}

.page-masterpiece .gp-more .dposts-ajax-load {
  background: linear-gradient(135deg, #f3d089, #d4a24a);
  border-color: transparent;
  color: #3d2a08;
}

.page-masterpiece .home-cover-card {
  box-shadow: 0 12px 28px -18px rgba(80, 40, 8, 0.55);
  outline: 1px solid rgba(212, 162, 74, 0.18);
  outline-offset: -1px;
}

.page-masterpiece .home-cover-res {
  background: linear-gradient(135deg, #f3d089, #d4a24a);
  color: #3d2a08;
  box-shadow: 0 6px 14px -8px rgba(146, 96, 8, 0.7);
}

.page-contribution .home-cover-res {
  background: #0f766e;
  box-shadow: 0 6px 14px -8px rgba(15, 118, 110, 0.85);
}

/* —— 主题底栏 CTA —— */
.gp-band {
  margin-top: 2.25rem;
  padding: 1.35rem 1.4rem;
  border-radius: var(--gp-radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  background: var(--gp-surface);
  border: 1px solid var(--gp-line);
  box-shadow: 0 16px 36px -28px rgba(15, 23, 42, 0.4);
}

.gp-band h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.gp-band p {
  margin: 0;
  color: var(--gp-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.gp-band .gp-btn-primary {
  flex: 0 0 auto;
}

.page-contribution .gp-band {
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(15, 118, 110, 0.1), transparent 55%),
    var(--gp-surface);
}

.page-masterpiece .gp-band {
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(212, 162, 74, 0.14), transparent 55%),
    var(--gp-surface);
}

@media (max-width: 991.98px) {
  .gp-hero-inner {
    grid-template-columns: 1fr;
  }

  .gp-feat {
    min-height: 12rem;
  }

  .gp-feat-item:first-child {
    min-height: 12rem;
  }
}

@media (max-width: 767.98px) {
  .gp-hero {
    padding: calc(var(--gp-header) + 1.1rem) 0 1.35rem;
  }

  .gp-feat {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    min-height: 0;
  }

  .gp-feat-item:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 10.5rem;
  }

  .gp-feat-item {
    min-height: 6.5rem;
  }

  .gp-band {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  .gp-band .gp-btn-primary {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gp-btn,
  .gp-feat-item img,
  .gp-feat-item .gp-feat-bg,
  .gp-hero-photo {
    transition: none;
    animation: none;
  }

  .gp-btn:hover {
    transform: none;
  }
}