/* RHAgent 行业场景 — 海报式单页 (examples.php) */

.page-poster.page-main {
  padding-top: 0;
  padding-bottom: 0;
  max-width: none;
}

/* ── Cover ── */
.poster-cover {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--nav-height));
  min-height: calc(100dvh - var(--nav-height));
  padding: var(--space-2xl) var(--space-md);
  overflow: hidden;
}

.poster-cover-stage {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 38%);
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  width: 100%;
  max-width: min(1120px, 100%);
}

.poster-cover-inner {
  position: relative;
  z-index: 2;
  text-align: left;
}

/* ── Cover mascot (static image + CSS blink) ── */
.poster-mascot {
  position: relative;
  justify-self: end;
  width: min(38vw, 420px);
  pointer-events: none;
}

.poster-mascot-frame {
  position: relative;
  display: block;
  width: 100%;
}

.poster-mascot-img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 36px rgba(0, 0, 0, 0.28));
}

.poster-mascot-lid {
  position: absolute;
  z-index: 2;
  background: #0a0a0c;
  border-radius: 999px;
  box-shadow: 0 0 3px #0a0a0c;
  transform: scaleY(0);
  transform-origin: center center;
  animation: mascot-blink-lid 4.8s ease-in-out infinite;
  will-change: transform;
}

.poster-mascot-lid--left {
  left: 40.7%;
  top: 27.5%;
  width: 4.4%;
  height: 9.6%;
}

.poster-mascot-lid--right {
  left: 53.9%;
  top: 27.6%;
  width: 4.4%;
  height: 9.5%;
  animation-delay: 0.04s;
}

@keyframes mascot-blink-lid {
  0%, 42%, 44%, 88%, 100% {
    transform: scaleY(0);
  }

  43%, 89% {
    transform: scaleY(1);
  }
}

[data-theme="light"] .poster-mascot-img {
  filter: drop-shadow(0 18px 32px rgba(40, 184, 148, 0.18));
}

.poster-cover-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(50, 230, 185, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 50% at 85% 75%, rgba(40, 184, 148, 0.14), transparent 50%),
    linear-gradient(165deg, #0a0f14 0%, #121820 40%, #0d1218 100%);
}

[data-theme="light"] .poster-cover-bg {
  background:
    radial-gradient(ellipse 90% 70% at 50% -10%, rgba(50, 230, 185, 0.35), transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(40, 184, 148, 0.12), transparent 55%),
    linear-gradient(180deg, #f8fafb 0%, #eef8f4 50%, #fafafa 100%);
}

.poster-cover-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 75%);
}

[data-theme="light"] .poster-cover-grid {
  background-image:
    linear-gradient(rgba(25, 26, 35, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(25, 26, 35, 0.05) 1px, transparent 1px);
}

.poster-cover-kicker {
  margin: 0 0 var(--space-md);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--color-primary);
}

.poster-cover-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(4rem, 14vw, 9rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.05em;
  color: #f8fafc;
}

[data-theme="light"] .poster-cover-title {
  color: var(--color-hero-title);
}

.poster-cover-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.poster-cover-desc {
  margin: 0 0 var(--space-lg);
  font-size: var(--text-lg);
  color: rgba(248, 250, 252, 0.65);
}

[data-theme="light"] .poster-cover-desc {
  color: var(--color-muted);
}

.poster-cover-meta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(248, 250, 252, 0.45);
}

[data-theme="light"] .poster-cover-meta {
  color: var(--color-muted);
}

.poster-cover-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
}

.poster-scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(248, 250, 252, 0.5);
  transition: color var(--duration-fast) var(--ease-out);
  animation: poster-bounce 2.4s ease-in-out infinite;
}

@keyframes poster-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

[data-theme="light"] .poster-scroll-hint {
  color: var(--color-muted);
}

.poster-scroll-hint:hover {
  color: var(--color-primary);
}

/* ── Sticky rail ── */
.poster-rail {
  position: sticky;
  top: var(--nav-height);
  z-index: 50;
  border-bottom: 1px solid var(--color-border-light);
  background: color-mix(in srgb, var(--color-nav-bg-scrolled) 92%, transparent);
  backdrop-filter: blur(16px);
}

.poster-rail-track {
  display: flex;
  gap: 4px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px var(--space-md);
  overflow-x: auto;
  scrollbar-width: none;
}

.poster-rail-track::-webkit-scrollbar {
  display: none;
}

.poster-rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 8px 16px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.poster-rail-link:hover,
.poster-rail-link.active {
  color: var(--color-text);
  background: var(--color-primary-muted);
  border-color: rgba(40, 184, 148, 0.3);
}

.poster-rail-num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

/* ── Industry panels ── */
.poster-panel {
  position: relative;
  min-height: min(88vh, 820px);
  padding: clamp(48px, 8vw, 96px) var(--space-md);
  overflow: hidden;
  scroll-margin-top: calc(var(--nav-height) + 52px);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg);
}

.poster-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.85;
}

.poster-panel--flip::before {
  left: auto;
  right: 0;
}

.poster-panel:nth-child(odd) {
  background: var(--color-bg-elevated);
}

.poster-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(12rem, 28vw, 22rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--color-text);
  opacity: 0.03;
  pointer-events: none;
  user-select: none;
}

.poster-panel-glow {
  position: absolute;
  width: 50%;
  height: 60%;
  top: 20%;
  right: -10%;
  background: radial-gradient(ellipse, rgba(50, 230, 185, 0.12), transparent 70%);
  pointer-events: none;
}

.poster-panel--flip .poster-panel-glow {
  right: auto;
  left: -10%;
}

.poster-panel-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.poster-panel--flip .poster-panel-inner {
  direction: rtl;
}

.poster-panel--flip .poster-panel-inner > * {
  direction: ltr;
}

.poster-visual {
  margin: 0;
}

.poster-visual-frame {
  position: relative;
  padding: 12px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.8) inset,
    0 24px 64px rgba(15, 23, 42, 0.12),
    0 0 0 1px rgba(15, 23, 42, 0.06);
  transform: rotate(-2deg);
  transition: transform var(--duration-normal) var(--ease-out);
}

.poster-panel--flip .poster-visual-frame {
  transform: rotate(2deg);
}

.poster-panel:hover .poster-visual-frame {
  transform: rotate(0deg) scale(1.02);
}

[data-theme="dark"] .poster-visual-frame {
  background: var(--color-surface-2);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.4),
    0 0 0 1px var(--color-border);
}

.poster-visual-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 8px);
}

.poster-visual-cap {
  margin-top: var(--space-md);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-align: center;
}

.poster-kicker {
  margin: 0 0 var(--space-sm);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.poster-title {
  display: flex;
  flex-direction: column;
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--color-hero-title);
}

.poster-lead {
  margin: 0 0 var(--space-lg);
  max-width: 42ch;
  font-size: var(--text-lg);
  line-height: 1.65;
  color: var(--color-muted);
}

.poster-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.poster-duo-col h3 {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.poster-duo-col--accent h3 {
  color: var(--color-primary);
}

.poster-duo-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.poster-duo-col li {
  position: relative;
  padding-left: 14px;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.poster-duo-col li + li {
  margin-top: 8px;
}

.poster-duo-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-border);
}

.poster-duo-col--accent li::before {
  background: var(--color-primary);
}

.poster-footnote {
  margin: 0;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-light);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-muted);
}

/* ── Finale ── */
.poster-finale {
  position: relative;
  padding: clamp(64px, 10vw, 120px) var(--space-md);
  overflow: hidden;
  text-align: center;
}

.poster-finale-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 50% 100%, rgba(50, 230, 185, 0.2), transparent 60%),
    linear-gradient(180deg, var(--color-bg) 0%, #0a1210 100%);
}

[data-theme="light"] .poster-finale-bg {
  background:
    radial-gradient(ellipse 80% 80% at 50% 100%, rgba(50, 230, 185, 0.25), transparent 60%),
    linear-gradient(180deg, #fafafa 0%, #e7f8f2 100%);
}

.poster-finale-inner {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
}

.poster-finale-kicker {
  margin: 0 0 var(--space-sm);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--color-primary);
}

.poster-finale-title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #f8fafc;
}

[data-theme="light"] .poster-finale-title {
  color: var(--color-hero-title);
}

.poster-finale-desc {
  margin: 0 0 var(--space-lg);
  font-size: var(--text-base);
  line-height: 1.7;
  color: rgba(248, 250, 252, 0.65);
}

[data-theme="light"] .poster-finale-desc {
  color: var(--color-muted);
}

.poster-finale-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.poster-btn-ghost {
  color: rgba(248, 250, 252, 0.85);
  border-color: rgba(248, 250, 252, 0.25);
}

[data-theme="light"] .poster-btn-ghost {
  color: var(--color-text);
  border-color: var(--color-border);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .poster-cover-stage {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    text-align: center;
  }

  .poster-cover-inner {
    order: 2;
    text-align: center;
  }

  .poster-cover-title {
    align-items: center;
  }

  .poster-cover-meta {
    justify-content: center;
  }

  .poster-mascot {
    order: 1;
    justify-self: center;
    width: min(72vw, 280px);
    margin: 0 auto;
  }

  .poster-panel-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .poster-panel--flip .poster-panel-inner {
    direction: ltr;
  }

  .poster-visual {
    max-width: 360px;
    margin: 0 auto;
  }

  .poster-duo {
    grid-template-columns: 1fr;
  }

  .poster-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .poster-scroll-hint {
    animation: none;
  }

  .poster-mascot-lid {
    animation: none;
    transform: scaleY(0);
  }

  .poster-visual-frame,
  .poster-panel:hover .poster-visual-frame {
    transform: none;
    transition: none;
  }
}