/* ==========================================================================
   LEO OS — SCHEME B: HEAVY STEEL MONUMENT & 6 COMBAT STORIES (CSS)
   ========================================================================== */

:root {
  --mon-bg: #060911;
  --mon-dark: #0A0F1D;
  --mon-card: rgba(13, 19, 36, 0.94);
  --mon-card-hover: rgba(20, 30, 56, 0.98);

  --copper-gold: #E58A4E;
  --copper-burnished: #C87D55;
  --copper-dark: #9A5B38;
  --steel-ice: #38BDF8;
  --steel-emerald: #10B981;

  --border-copper: rgba(200, 125, 85, 0.32);
  --border-copper-glow: rgba(229, 138, 78, 0.85);
  --border-dim: rgba(148, 163, 184, 0.14);

  --text-pure: #FFFFFF;
  --text-main: #E2E8F0;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  --font-display: 'Cabinet Grotesk', 'Plus Jakarta Sans', sans-serif;
  --font-sans: 'Plus Jakarta Sans', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--mon-bg);
  color: var(--text-main);
  line-height: 1.6;
}

body.monument-theme {
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #101B34 0%, #060911 80%);
  min-height: 100vh;
  position: relative;
}

/* ==========================================================================
   CONTENT PROTECTION OVERLAY & CYBER SECURITY LOCK (80% DENSITY)
   ========================================================================== */

.security-lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(4, 7, 17, 0.80); /* 精确 80% 浓度深邃遮罩 */
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s ease;
}

body.lock-active {
  overflow: hidden !important;
}

.security-lock-overlay.unlocked {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lock-card-modal {
  background: linear-gradient(180deg, rgba(16, 25, 48, 0.96) 0%, rgba(8, 12, 24, 0.98) 100%);
  border: 1px solid var(--border-copper-glow);
  border-radius: 20px;
  padding: 44px 40px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 30px rgba(229, 138, 78, 0.25);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.lock-card-modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--copper-gold), transparent);
}

.lock-card-modal.shake {
  animation: lockShake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes lockShake {
  10%, 90% { transform: translate3d(-2px, 0, 0); }
  20%, 80% { transform: translate3d(4px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-6px, 0, 0); }
  40%, 60% { transform: translate3d(6px, 0, 0); }
}

/* 电子锁视觉徽章 */
.lock-visual-box {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 20px auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lock-pulse-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(229, 138, 78, 0.4);
  animation: lockPulse 2.5s infinite;
}

@keyframes lockPulse {
  0% { transform: scale(0.92); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 0.2; }
  100% { transform: scale(0.92); opacity: 0.8; }
}

.lock-icon-svg {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 14px rgba(229, 138, 78, 0.6));
  transition: all 0.4s ease;
}

.lock-shackle {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), stroke 0.4s ease;
  transform-origin: 22px 28px;
}

/* 开锁成功动效态 */
.security-lock-overlay.unlocked-success .lock-shackle {
  transform: translateY(-8px) rotate(-22deg);
  stroke: #10B981;
}

.security-lock-overlay.unlocked-success .lock-icon-svg {
  filter: drop-shadow(0 0 20px rgba(16, 185, 129, 0.8));
}

.security-lock-overlay.unlocked-success .lock-core-dot {
  fill: #10B981;
}

.lock-badge-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--copper-gold);
  margin-bottom: 8px;
}

.lock-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.lock-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* 4位 PIN 输入框 */
.lock-pin-container {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 18px;
}

.pin-digit {
  width: 54px;
  height: 60px;
  border-radius: 10px;
  border: 1.5px solid var(--border-copper);
  background: rgba(6, 9, 17, 0.9);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  text-align: center;
  outline: none;
  transition: all 0.25s ease;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.6);
}

.pin-digit:focus {
  border-color: var(--copper-gold);
  background: rgba(13, 19, 36, 0.95);
  box-shadow: 0 0 16px rgba(229, 138, 78, 0.5), inset 0 0 8px rgba(229, 138, 78, 0.2);
  transform: translateY(-2px);
}

.pin-digit.filled {
  border-color: var(--copper-gold);
}

/* 状态提示信息 */
.lock-status-msg {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  min-height: 22px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: color 0.3s ease;
}

.lock-status-msg.error {
  color: #EF4444;
  text-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}

.lock-status-msg.success {
  color: #10B981;
  text-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

/* 解锁按钮 */
.lock-unlock-btn {
  width: 100%;
  background: linear-gradient(135deg, #E58A4E 0%, #C87D55 100%);
  border: 1px solid var(--copper-gold);
  color: #FFFFFF;
  padding: 14px 24px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 8px 20px rgba(229, 138, 78, 0.3);
}

.lock-unlock-btn:hover {
  background: linear-gradient(135deg, #F59E0B 0%, #E58A4E 100%);
  box-shadow: 0 10px 25px rgba(229, 138, 78, 0.5);
  transform: translateY(-1px);
}

.lock-unlock-btn:active {
  transform: translateY(1px);
}

.lock-footer-info {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* -------------------- 全局固定悬浮印章水印 (Top-Right Fixed Demo Seal) -------------------- */
.demo-watermark-seal {
  position: fixed;
  top: 78px;
  right: 28px;
  z-index: 99999;
  width: 116px;
  height: 116px;
  border-radius: 50%;
  border: 2.5px solid rgba(220, 38, 38, 0.88);
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.25), 0 8px 24px rgba(0, 0, 0, 0.5), inset 0 0 14px rgba(220, 38, 38, 0.2);
  background: rgba(7, 15, 30, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ef4444;
  transform: rotate(-12deg);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
  user-select: none;
  cursor: pointer;
  pointer-events: auto;
}

.demo-watermark-seal:hover {
  transform: rotate(0deg) scale(1.08);
  border-color: rgba(239, 68, 68, 1);
  background: rgba(11, 22, 44, 0.95);
  box-shadow: 0 12px 32px rgba(220, 38, 38, 0.5), 0 0 20px rgba(239, 68, 68, 0.4);
}

.seal-inner-border {
  position: absolute;
  inset: 3px;
  border: 1px dashed rgba(239, 68, 68, 0.7);
  border-radius: 50%;
  pointer-events: none;
}

.seal-tag-top {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: #f87171;
  line-height: 1.1;
  margin-bottom: 2px;
}

.seal-star-row {
  font-size: 10px;
  color: #f87171;
  line-height: 1;
  margin-bottom: 1px;
  letter-spacing: 2px;
}

.seal-brand-name {
  font-size: 13.5px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 1px;
  line-height: 1.15;
  text-shadow: 0 0 8px rgba(239, 68, 68, 0.8);
  text-transform: uppercase;
}

.seal-text-desc {
  font-size: 8.5px;
  font-weight: 700;
  color: #fca5a5;
  letter-spacing: 0.4px;
  line-height: 1.25;
  margin-top: 1px;
}

.seal-tag-bottom {
  font-size: 7.5px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.6px;
  margin-top: 2px;
}

@media (max-width: 1200px) {
  .demo-watermark-seal {
    top: 72px;
    right: 16px;
    width: 102px;
    height: 102px;
  }
  .seal-brand-name { font-size: 12px; }
  .seal-tag-top { font-size: 8px; }
  .seal-text-desc { font-size: 7.5px; }
  .seal-tag-bottom { font-size: 6.5px; }
}

.monument-container {
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 40px;
}

.text-center { text-align: center; }

.burnished-gold {
  background: linear-gradient(135deg, #FFFFFF 0%, #E58A4E 50%, #C87D55 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.monument-h2 {
  font-family: var(--font-display);
  font-size: 2.35rem;
  font-weight: 900;
  color: var(--text-pure);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.monument-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
}

.sec-headline {
  margin-bottom: 40px;
}

.sec-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--copper-gold);
  margin-bottom: 10px;
}

/* ==========================================================================
   FLOATING VERTICAL PAGE DOTS (RIGHT SIDE)
   ========================================================================== */

.vertical-page-dots {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: rgba(6, 9, 17, 0.88);
  padding: 16px 12px;
  border-radius: 30px;
  border: 1px solid var(--border-copper);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.75);
}

.v-dot-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  padding: 4px;
}

.v-dot-circle {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(229, 138, 78, 0.4);
  background: rgba(13, 19, 36, 0.8);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.v-dot-item:hover .v-dot-circle {
  border-color: var(--copper-gold);
  transform: scale(1.3);
  box-shadow: 0 0 10px rgba(229, 138, 78, 0.6);
}

.v-dot-item.active .v-dot-circle {
  background: var(--copper-gold);
  border-color: #FFFFFF;
  transform: scale(1.45);
  box-shadow: 0 0 16px rgba(229, 138, 78, 0.9), 0 0 6px #FFFFFF;
}

.v-dot-label {
  position: absolute;
  right: 32px;
  background: rgba(10, 15, 29, 0.96);
  border: 1px solid var(--border-copper);
  color: var(--text-pure);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(0,0,0,0.6);
}

.v-dot-item:hover .v-dot-label {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   NAVBAR (FIXED SINGLE-LINE DOCK)
   ========================================================================== */

.monument-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(6, 9, 17, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-copper);
  height: 64px;
  display: flex;
  align-items: center;
}

.nav-container {
  max-width: 1680px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-monolith {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-stamp {
  background: linear-gradient(135deg, var(--copper-gold) 0%, var(--copper-dark) 100%);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 900;
  padding: 4px 8px;
  border-radius: 4px;
  box-shadow: 0 0 12px rgba(229, 138, 78, 0.4);
  white-space: nowrap;
}

.brand-names {
  display: flex;
  flex-direction: column;
}

.b-main {
  font-size: 1.2rem;
  font-weight: 900;
  color: #FFFFFF;
  font-family: var(--font-display);
  line-height: 1;
  white-space: nowrap;
}

.b-sub {
  font-size: 0.58rem;
  color: var(--copper-gold);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-top: 2px;
  white-space: nowrap;
}

.nav-links-row {
  display: flex;
  gap: 24px;
  white-space: nowrap;
}

.n-link {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.n-link:hover {
  color: var(--copper-gold);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.monument-lang-btn {
  background: rgba(13, 19, 36, 0.8);
  border: 1px solid var(--border-copper);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  font-weight: 700;
  white-space: nowrap;
}

.l-opt.active { color: var(--copper-gold); }

.btn-copper-solid {
  background: linear-gradient(135deg, #E58A4E 0%, #C87D55 100%);
  border: 1px solid var(--copper-gold);
  color: #FFFFFF;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-block;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.btn-copper-solid:hover {
  background: linear-gradient(135deg, #F59E0B 0%, #E58A4E 100%);
  box-shadow: 0 0 20px rgba(229, 138, 78, 0.5);
  transform: translateY(-1px);
}

.btn-copper-trans {
  background: rgba(13, 19, 36, 0.7);
  border: 1px solid var(--border-copper);
  color: var(--text-main);
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
  white-space: nowrap;
}

.btn-copper-trans:hover {
  border-color: var(--copper-gold);
  color: #FFFFFF;
}

.btn-hero {
  padding: 14px 32px;
  font-size: 1rem;
}

/* ==========================================================================
   PAGE 1: HERO (100% PRESERVED CINEMATIC VISUAL)
   ========================================================================== */

.monument-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px 24px;
  overflow: hidden;
}

.hero-bg-media {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.1) brightness(0.65);
}

.hero-media-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(6, 9, 17, 0.6) 0%, rgba(6, 9, 17, 0.95) 85%);
}

.hero-content-wrap {
  position: relative;
  z-index: 2;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200, 125, 85, 0.18);
  border: 1px solid var(--copper-gold);
  padding: 6px 16px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--copper-gold);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--copper-gold);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px rgba(229, 138, 78, 0.9);
}

.monument-h1 {
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-subtext {
  font-size: 1.15rem;
  color: var(--text-main);
  line-height: 1.8;
  max-width: 840px;
  margin: 0 auto 36px auto;
}

.hero-btn-row {
  display: flex;
  gap: 18px;
  justify-content: center;
  margin-bottom: 50px;
}

.monument-telemetry-bar {
  background: rgba(10, 15, 29, 0.88);
  border: 1px solid var(--border-copper);
  border-radius: 12px;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  backdrop-filter: blur(14px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.t-col { display: flex; flex-direction: column; gap: 4px; text-align: left; }
.t-val { font-size: 1.45rem; font-weight: 900; color: #FFFFFF; font-family: var(--font-display); }
.t-desc { font-size: 0.78rem; color: var(--text-muted); }
.t-divider { width: 1px; height: 40px; background: var(--border-copper); }

/* -------------------- 动效下拉浏览提示 (Scroll-Down Guidance Indicator) -------------------- */
.hero-scroll-prompt {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin-top: 36px;
  text-decoration: none;
  cursor: pointer;
  opacity: 0.85;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-scroll-prompt:hover {
  opacity: 1;
  transform: translateY(4px);
}

.scroll-prompt-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-prompt-text {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--copper-gold);
  text-shadow: 0 0 10px rgba(229, 138, 78, 0.5);
  white-space: nowrap;
}

.scroll-mouse-icon {
  width: 22px;
  height: 34px;
  border-radius: 14px;
  border: 1.5px solid var(--copper-gold);
  background: rgba(13, 19, 36, 0.7);
  box-shadow: 0 0 12px rgba(229, 138, 78, 0.3), inset 0 0 8px rgba(229, 138, 78, 0.15);
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel-dot {
  width: 4px;
  height: 7px;
  background: var(--copper-gold);
  border-radius: 3px;
  box-shadow: 0 0 6px rgba(229, 138, 78, 0.9);
  animation: wheelSlide 1.8s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes wheelSlide {
  0% {
    opacity: 0;
    transform: translateY(-2px);
  }
  30% {
    opacity: 1;
  }
  80% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

.scroll-chevrons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin-top: -2px;
}

.scroll-chevrons .chevron {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--copper-gold);
  border-bottom: 1.5px solid var(--copper-gold);
  transform: rotate(45deg);
  animation: chevronPulse 1.8s ease-in-out infinite;
}

.scroll-chevrons .chevron.c-1 {
  animation-delay: 0s;
}

.scroll-chevrons .chevron.c-2 {
  animation-delay: 0.25s;
  margin-top: -3px;
}

@keyframes chevronPulse {
  0% {
    opacity: 0.2;
    transform: rotate(45deg) translate(-2px, -2px);
  }
  50% {
    opacity: 1;
    border-color: #FFFFFF;
    transform: rotate(45deg) translate(0, 0);
  }
  100% {
    opacity: 0.2;
    transform: rotate(45deg) translate(2px, 2px);
  }
}

/* ==========================================================================
   PAGE 2: FULL-HEIGHT STICKY 3D PEB + PREFAB CAROUSEL + 6 STORIES
   ========================================================================== */

.story-3d-section {
  position: relative;
  padding: 80px 0 90px 0;
  background: #040711;
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.story-sticky-layout {
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  gap: 40px;
  align-items: flex-start;
  position: relative;
}

/* Left Side: Sticky Column (Height = Viewport - navbar) */
.story-3d-sticky-col {
  width: 44%;
  flex-shrink: 0;
  position: sticky;
  top: 76px;
  height: calc(100vh - 96px);
  min-height: 760px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 1. 3D Viewport Card */
.story-3d-viewport-card {
  flex: 1 1 64%;
  min-height: 440px;
  background: radial-gradient(circle at 50% 40%, #0B1730 0%, #040710 80%);
  border: 1px solid var(--border-copper);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(200, 125, 85, 0.12);
}

.story-canvas-box {
  width: 100%;
  height: 100%;
  cursor: grab;
}
.story-canvas-box:active { cursor: grabbing; }

.story-3d-hud-overlay {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.s-hud-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.s-hud-tag { color: var(--copper-gold); font-weight: 800; letter-spacing: 0.05em; }
.s-hud-live {
  color: var(--steel-emerald);
  font-weight: 800;
  letter-spacing: 0.08em;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: 3px;
}

.s-hud-mode-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}

.s-hud-label { color: var(--text-dim); }
.s-hud-mode-val { color: #FFFFFF; font-weight: 800; font-family: var(--font-display); }

.s-hud-spec-pill {
  background: rgba(13, 19, 36, 0.88);
  border: 1px solid var(--border-copper);
  padding: 5px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--copper-gold);
  width: fit-content;
}

.s-hud-hint-bar {
  position: absolute;
  bottom: 10px;
  left: 16px;
  right: 16px;
  text-align: center;
  font-size: 0.68rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  pointer-events: none;
  background: rgba(4, 7, 16, 0.75);
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.08em;
}

/* 2. Bottom Prefabricated Steel Carousel Card */
.prefab-carousel-card {
  flex: 0 0 240px;
  background: var(--mon-card);
  border: 1px solid var(--border-copper);
  border-radius: 14px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  backdrop-filter: blur(14px);
}

.prefab-carousel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--border-dim);
  padding-bottom: 8px;
}

.pch-left { display: flex; flex-direction: column; gap: 2px; }
.pch-title { font-size: 0.88rem; font-weight: 800; color: #FFFFFF; font-family: var(--font-display); letter-spacing: 0.02em; }
.pch-sub { font-size: 0.68rem; color: var(--text-dim); }

.prefab-tabs-pill {
  display: flex;
  gap: 6px;
}

.ptab-btn {
  background: rgba(20, 30, 56, 0.6);
  border: 1px solid var(--border-dim);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
}

.ptab-btn:hover { border-color: var(--copper-gold); color: #FFFFFF; }
.ptab-btn.active {
  background: rgba(200, 125, 85, 0.2);
  border-color: var(--copper-gold);
  color: var(--copper-gold);
  font-weight: 800;
  box-shadow: 0 0 10px rgba(229, 138, 78, 0.3);
}

.prefab-carousel-body {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  margin-top: 8px;
}

.prefab-slide {
  display: none;
  grid-template-columns: 180px 1fr;
  gap: 16px;
  align-items: center;
  animation: fadeInSlide 0.35s ease;
  width: 100%;
}

.prefab-slide.active {
  display: grid;
}

@keyframes fadeInSlide {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.ps-img-wrap {
  position: relative;
  height: 110px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-copper);
}

.ps-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.ps-img-wrap:hover .ps-img { transform: scale(1.06); }

.ps-badge {
  position: absolute;
  bottom: 4px;
  left: 4px;
  background: rgba(0, 0, 0, 0.88);
  border: 1px solid var(--copper-gold);
  color: var(--copper-gold);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 3px;
}

.ps-meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ps-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.35;
}

.ps-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Right Side: Progressive Story Scroll Stream */
.story-content-scroll-col {
  width: 56%;
  padding-bottom: 0;
}

.story-scroll-header {
  margin-bottom: 32px;
}

.story-lead-p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 10px;
}

/* Story Step Cards (Natural, Content-Driven & Balanced Height) */
.story-step-card {
  background: var(--mon-card);
  border: 1px solid var(--border-copper);
  border-radius: 16px;
  padding: 26px 26px;
  margin-bottom: 36px;
  position: relative;
  transition: all 0.35s ease;
  backdrop-filter: blur(16px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Bottom Alignment Rule: When reaching the end of Card 7, it aligns with left sticky bottom */
.story-step-card:last-child,
#storyStep7 {
  margin-bottom: 0 !important;
}

.story-step-card.active {
  border-color: var(--border-copper-glow);
  background: linear-gradient(180deg, rgba(25, 36, 64, 0.95) 0%, rgba(13, 19, 36, 0.98) 100%);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(229, 138, 78, 0.2);
  transform: translateX(-3px);
}

.sc-header {
  margin-bottom: 4px;
}

.step-num-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--copper-gold);
  background: rgba(200, 125, 85, 0.15);
  border: 1px solid var(--border-copper);
  padding: 3px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 8px;
}

.step-phase-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  color: #F87171;
  margin-bottom: 8px;
}

.step-title {
  font-size: 1.22rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.4;
}

/* Dual Column Body: Left Text + Right Multimedia */
.story-card-body {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
  align-items: start;
}

.sc-text-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sc-text-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.pain-impact-strip {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pis-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  color: #FECACA;
  line-height: 1.5;
}

.pis-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #F87171;
  box-shadow: 0 0 6px #F87171;
  flex-shrink: 0;
  margin-top: 6px;
}

.pis-item strong {
  color: #FFFFFF;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.step-solution-box {
  background: rgba(6, 10, 20, 0.88);
  border: 1px solid var(--border-copper);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.sol-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--steel-emerald);
}

.sol-text {
  font-size: 0.84rem;
  color: var(--text-main);
  line-height: 1.65;
}

.sol-text strong {
  color: var(--copper-gold);
}

.sol-features-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.sf-tag {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--steel-emerald);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
}

/* Right Visual Column (Photo + Rich Laser Vector SVG HUD) */
.sc-visual-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sc-img-wrap {
  position: relative;
  height: 155px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-copper);
  box-shadow: 0 8px 24px rgba(0,0,0,0.6);
}

.sc-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.sc-img-wrap:hover .sc-img { transform: scale(1.05); }

/* Tactical Scenario Diagnostics Badge Overlay on Photo */
.sc-scenario-diag {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  background: rgba(4, 7, 16, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: 4px;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 5;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

.sc-scenario-diag.warn {
  border-color: rgba(245, 158, 11, 0.5);
  background: rgba(20, 14, 4, 0.92);
}

.sc-scenario-diag.normal {
  border-color: rgba(16, 185, 129, 0.5);
  background: rgba(4, 18, 12, 0.92);
}

.scd-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #EF4444;
  box-shadow: 0 0 8px #EF4444;
  flex-shrink: 0;
  animation: diagDotPulse 1.5s infinite;
}

.sc-scenario-diag.warn .scd-dot {
  background: #F59E0B;
  box-shadow: 0 0 8px #F59E0B;
}

.sc-scenario-diag.normal .scd-dot {
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
}

@keyframes diagDotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.scd-text {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sc-img-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(4, 7, 16, 0.88);
  border: 1px solid var(--copper-gold);
  color: var(--copper-gold);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  z-index: 5;
}

/* Laser Wireframe HUD Floating Box (Genuine SVG Vector HUD) */
.sc-laser-hud {
  background: rgba(3, 6, 14, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(56, 189, 248, 0.08);
}

.laser-hud-title {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 800;
  color: var(--steel-ice);
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(56, 189, 248, 0.15);
  padding-bottom: 4px;
}

.lht-status {
  color: var(--copper-gold);
  font-size: 0.58rem;
}

.laser-svg-stage-box {
  width: 100%;
  height: 75px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.laser-vector-svg {
  width: 100%;
  height: 100%;
}

/* Laser Vector SVG Styles */
.laser-path-glow, .laser-box-glow, .laser-circle-glow {
  stroke: #38BDF8;
  stroke-width: 1.5;
  fill: rgba(56, 189, 248, 0.08);
  filter: drop-shadow(0 0 4px rgba(56, 189, 248, 0.6));
}

.laser-path-accent, .laser-box-accent, .laser-circle-accent {
  stroke: #E58A4E;
  stroke-width: 1.5;
  fill: rgba(229, 138, 78, 0.15);
  filter: drop-shadow(0 0 4px rgba(229, 138, 78, 0.6));
}

.laser-line-accent {
  stroke: #E58A4E;
  stroke-width: 1.5;
}

.laser-flow-line {
  stroke: rgba(56, 189, 248, 0.4);
  stroke-width: 1.5;
  stroke-dasharray: 4, 3;
  animation: svgDashFlow 2s linear infinite;
}

@keyframes svgDashFlow {
  from { stroke-dashoffset: 14; }
  to { stroke-dashoffset: 0; }
}

.laser-scan-laser-beam {
  stroke: #38BDF8;
  stroke-width: 2.5;
  filter: drop-shadow(0 0 8px #38BDF8);
  animation: svgLaserScan 2.4s ease-in-out infinite alternate;
}

@keyframes svgLaserScan {
  from { transform: translateY(-20px); }
  to { transform: translateY(20px); }
}

.laser-rotating-ring {
  transform-origin: 125px 45px;
  stroke-dasharray: 8, 4;
  animation: rotateShieldRing 6s linear infinite;
}

@keyframes rotateShieldRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.laser-svg-text {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  fill: #FFFFFF;
}

.laser-svg-mini {
  font-family: var(--font-mono);
  font-size: 7.5px;
  font-weight: 700;
  fill: #94A3B8;
}

.laser-svg-code {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  fill: #38BDF8;
}

.laser-svg-node {
  font-family: var(--font-sans);
  font-size: 8.5px;
  font-weight: 800;
  fill: #FFFFFF;
}

.laser-circle-glow.active {
  stroke: var(--copper-gold);
  fill: rgba(229, 138, 78, 0.25);
  filter: drop-shadow(0 0 6px var(--copper-gold));
}

.laser-circle-glow.dim {
  stroke: var(--text-dim);
  fill: rgba(148, 163, 184, 0.1);
}

.laser-link-glow {
  stroke: var(--border-dim);
  stroke-width: 2;
}

.laser-link-glow.active {
  stroke: var(--steel-emerald);
  filter: drop-shadow(0 0 4px var(--steel-emerald));
}

.laser-stream-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  background: rgba(14, 25, 48, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 6px;
  padding: 4px 8px;
}

.lsm-col {
  display: flex;
  flex-direction: column;
  gap: 1px;
  font-family: var(--font-mono);
}

.lsm-k { font-size: 0.55rem; color: var(--text-dim); }
.lsm-v { font-size: 0.68rem; font-weight: 800; color: var(--steel-ice); }

.sol-state-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-dim);
}

.ssi-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--copper-gold);
  background: rgba(200, 125, 85, 0.15);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border-copper);
}

.ssi-text {
  font-size: 0.76rem;
  color: var(--steel-ice);
  font-family: var(--font-mono);
}

/* ==========================================================================
   PAGE 3: NON-STANDARD SPEC DECONSTRUCTION MATRIX
   ========================================================================== */

.monument-sec {
  padding: 90px 0;
  position: relative;
}

.monument-sec.alt-bg {
  background: rgba(10, 15, 29, 0.6);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.doc-matrix-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.matrix-card {
  background: var(--mon-card);
  border: 1px solid var(--border-copper);
  border-radius: 14px;
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.matrix-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-copper-glow);
  box-shadow: 0 20px 45px rgba(0,0,0,0.6);
}

.matrix-card.featured-gold {
  border-color: var(--copper-gold);
  background: linear-gradient(180deg, rgba(25, 36, 64, 0.9) 0%, rgba(13, 19, 36, 0.95) 100%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.m-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--copper-gold);
  margin-bottom: 14px;
}

.m-h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 14px;
  line-height: 1.4;
}

.m-p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ==========================================================================
   PAGE 4: 5-LAYER STACK DIAGRAM
   ========================================================================== */

.copper-stack-diagram {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.copper-level-card {
  background: var(--mon-card);
  border: 1px solid var(--border-copper);
  border-radius: 10px;
  padding: 22px 26px;
  transition: all 0.2s ease;
}

.copper-level-card:hover {
  border-color: var(--border-copper-glow);
}

.copper-level-card.l5 { border-left: 4px solid var(--copper-gold); }
.copper-level-card.l4 { border-left: 4px solid #F59E0B; }
.copper-level-card.l3 { border-left: 4px solid var(--steel-ice); }
.copper-level-card.l2 { border-left: 4px solid #A855F7; }
.copper-level-card.l1 { border-left: 4px solid var(--steel-emerald); }

.cl-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.cl-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--copper-gold);
  background: rgba(200, 125, 85, 0.15);
  padding: 3px 10px;
  border-radius: 4px;
}

.cl-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #FFFFFF;
}

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

.cl-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.cl-box {
  background: rgba(20, 30, 56, 0.6);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cl-box strong { font-size: 0.88rem; color: var(--text-pure); }
.cl-box span { font-size: 0.78rem; color: var(--text-muted); line-height: 1.55; }

.cl-pills-flex {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.c-pill {
  background: rgba(20, 30, 56, 0.7);
  border: 1px solid var(--border-copper);
  padding: 7px 14px;
  border-radius: 5px;
  font-size: 0.84rem;
}

.c-pill-badge {
  margin-left: auto;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--copper-gold);
  background: rgba(200, 125, 85, 0.15);
  padding: 5px 12px;
  border-radius: 4px;
}

.bus-flow-mark {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}

/* ==========================================================================
   PAGE 5: IMPLEMENTATION ROADMAP (Q1-Q6 MATRIX & GANTT / BURNDOWN)
   ========================================================================== */

/* 1. Q1~Q6 演进矩阵布局 */
.roadmap-q-matrix {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
  margin-top: 32px;
  align-items: stretch;
}

.q-card {
  background: linear-gradient(145deg, rgba(13, 17, 24, 0.95), rgba(7, 10, 16, 0.98));
  border: 1px solid var(--border-copper);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* Q1 实体激活卡 */
.q1-active-card {
  border-color: var(--copper-gold);
  background: linear-gradient(145deg, rgba(26, 32, 46, 0.98), rgba(13, 18, 28, 0.99));
  box-shadow: 0 12px 32px rgba(197, 160, 89, 0.25), inset 0 0 16px rgba(197, 160, 89, 0.1);
  border-left: 4px solid var(--copper-gold);
}

.qc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.qc-pill {
  font-family: var(--font-mono);
  font-size: 0.70rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.qc-pill.active {
  color: var(--copper-gold);
  background: rgba(197, 160, 89, 0.18);
  border: 1px solid var(--border-copper);
}

.qc-pill.ghost {
  color: #9CA3AF;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.qc-status-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--steel-emerald);
}

.qc-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--steel-emerald);
  box-shadow: 0 0 8px var(--steel-emerald);
}

.qc-lock-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: #64748B;
  background: rgba(0, 0, 0, 0.4);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.qc-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0 0 8px 0;
  line-height: 1.35;
}

.qc-summary {
  font-size: 0.82rem;
  color: #D1D5DB;
  line-height: 1.55;
  margin: 0 0 14px 0;
}

.qc-tags-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.qc-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--steel-emerald);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 6px;
  border-radius: 3px;
}

/* Q2~Q6 虚影牌组 (5列网格) */
.q-ghost-deck {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.q-ghost-card {
  background: linear-gradient(145deg, rgba(11, 15, 23, 0.5), rgba(5, 8, 14, 0.6));
  border: 1px dashed rgba(148, 163, 184, 0.22);
  opacity: 0.72;
  padding: 14px 12px;
  transition: all 0.3s ease;
}

.q-ghost-card:hover {
  opacity: 0.95;
  border-style: solid;
  border-color: rgba(197, 160, 89, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
}

.qc-ghost-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: #CBD5E1;
  margin: 0 0 6px 0;
  line-height: 1.35;
}

.qc-ghost-desc {
  font-size: 0.70rem;
  color: #64748B;
  line-height: 1.45;
  margin: 0;
}

/* 2. Q1 治理控制台：甘特图与燃尽图双栏布局 */
.q1-governance-dashboard {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
  margin-top: 24px;
  align-items: stretch;
}

.gov-card {
  background: linear-gradient(145deg, rgba(13, 17, 24, 0.98), rgba(6, 9, 15, 0.99));
  border: 1px solid var(--border-copper);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.gov-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(197, 160, 89, 0.2);
  padding-bottom: 10px;
  margin-bottom: 14px;
  gap: 10px;
}

.gch-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.gch-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--copper-gold);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.gch-sub {
  font-size: 0.60rem;
  color: #9CA3AF;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.gch-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--copper-gold);
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid var(--copper-gold);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.gch-badge.emerald {
  color: var(--steel-emerald);
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--steel-emerald);
}

/* 甘特图内部样式 */
.gantt-time-header {
  display: grid;
  grid-template-columns: 220px 1fr 1fr 1fr;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: #9CA3AF;
  margin-bottom: 10px;
  text-align: center;
}

.gt-task-col {
  text-align: left;
  font-weight: 700;
  color: var(--copper-gold);
}

.gantt-task-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gantt-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 6px 10px;
  border-radius: 4px;
}

.gr-label {
  font-size: 0.72rem;
  color: #E2E8F0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gr-track {
  position: relative;
  height: 20px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.gantt-bar {
  position: absolute;
  top: 2px;
  bottom: 2px;
  border-radius: 2px;
  display: flex;
  align-items: center;
  padding: 0 6px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.3s ease;
}

.gantt-bar.done {
  background: linear-gradient(90deg, #10B981, #059669);
  color: #FFFFFF;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

.gantt-bar.active {
  background: linear-gradient(90deg, #D4AF37, #F59E0B);
  color: #0F172A;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.gantt-bar.planned {
  background: linear-gradient(90deg, rgba(71, 85, 105, 0.8), rgba(51, 65, 85, 0.8));
  color: #CBD5E1;
  border: 1px dashed rgba(148, 163, 184, 0.4);
}

/* 燃尽图内部样式 */
.burndown-chart-box {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 10px;
}

.burndown-svg {
  width: 100%;
  height: auto;
  max-height: 180px;
}

.bd-grid {
  stroke: rgba(255, 255, 255, 0.08);
  stroke-dasharray: 3 3;
}

.bd-axis {
  stroke: rgba(197, 160, 89, 0.4);
  stroke-width: 1.2;
}

.bd-label-y,
.bd-label-x {
  font-family: var(--font-mono);
  font-size: 8px;
  fill: #64748B;
}

.bd-marker-line {
  stroke: rgba(16, 185, 129, 0.25);
  stroke-dasharray: 2 2;
}

.bd-ideal-line {
  stroke: #475569;
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.bd-actual-glow {
  fill: none;
  stroke: rgba(212, 175, 55, 0.3);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bd-actual-line {
  fill: none;
  stroke: var(--copper-gold);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bd-node-dot {
  fill: #0F172A;
  stroke-width: 2;
}

.bd-node-dot.active {
  stroke: var(--steel-emerald);
  fill: var(--steel-emerald);
}

.bd-node-dot.planned {
  stroke: var(--copper-gold);
}

.bd-node-text {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 8.5px;
  font-weight: 700;
  fill: #F8FAFC;
}

.burndown-metrics-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.bm-item {
  display: flex;
  gap: 4px;
}

.bm-k { color: #9CA3AF; }
.bm-v { font-weight: 700; color: #FFFFFF; }
.bm-v.emerald { color: var(--steel-emerald); }
.bm-v.copper { color: var(--copper-gold); }

/* ==========================================================================
   CONTACT CARD & FOOTER
   ========================================================================== */

.monument-contact-card {
  background: linear-gradient(180deg, rgba(20, 30, 56, 0.8) 0%, rgba(10, 15, 29, 0.95) 100%);
  border: 1px solid var(--border-copper-glow);
  border-radius: 16px;
  padding: 60px 36px;
  max-width: 960px;
  margin: 0 auto;
}

.monument-contact-card .monument-h2 {
  margin-bottom: 32px;
}

.briefing-assurances {
  margin-top: 26px;
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-mono);
}

.monument-footer {
  padding: 64px 0 32px 0;
  border-top: 1px solid var(--border-copper);
  background: linear-gradient(180deg, #050811 0%, #020306 100%);
  position: relative;
  overflow: hidden;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr 1.1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.f-col-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.f-brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.f-brand-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: 0.05em;
}

.f-brand-mission {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
}

.f-badge-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.f-micro-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--copper-gold);
  background: rgba(197, 160, 89, 0.12);
  border: 1px solid var(--border-copper);
  padding: 2px 8px;
  border-radius: 4px;
}

.f-micro-badge.emerald {
  color: var(--steel-emerald);
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
}

.f-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.f-col-h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-left: 2px solid var(--copper-gold);
  padding-left: 8px;
  margin: 0;
}

.f-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.f-links-list li {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  line-height: 1.4;
}

.f-links-list a {
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.f-links-list a:hover {
  color: var(--copper-gold);
  transform: translateX(3px);
}

.f-link-label {
  color: #64748B;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  flex-shrink: 0;
}

.f-link-highlight {
  color: var(--steel-emerald) !important;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.f-link-site {
  color: var(--steel-ice) !important;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.f-text-dim {
  color: #94A3B8;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 0.74rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.fb-cy-link {
  color: var(--copper-gold);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.fb-cy-link:hover {
  color: #FFFFFF;
}

.fb-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fb-right a {
  color: var(--text-dim);
  transition: color 0.2s ease;
}

.fb-right a:hover {
  color: #FFFFFF;
}

.fb-sep {
  color: rgba(255, 255, 255, 0.15);
}

.fb-icp {
  color: #475569;
}

@media (max-width: 1100px) {
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ==========================================================================
   PAGE 3: GALAXY ORBITAL SYSTEM (7-PILLAR GALAXY ENGINE)
   ========================================================================== */
.galaxy-system-wrap {
  position: relative;
  width: 100%;
  max-width: 1000px;
  height: 620px;
  margin: 15px auto 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.galaxy-canvas-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* 轨道同心环旋转动效 */
.orbit-ring {
  transform-origin: 500px 310px;
}
.ring-outer {
  animation: orbitRotateClockwise 90s linear infinite;
}
.ring-mid {
  animation: orbitRotateCounterClockwise 70s linear infinite;
}
.ring-inner {
  animation: orbitRotateClockwise 45s linear infinite;
}

@keyframes orbitRotateClockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes orbitRotateCounterClockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

.galaxy-beam {
  opacity: 0.25;
  transition: all 0.4s ease;
}
.galaxy-beam.active-beam {
  opacity: 1;
  stroke-width: 2.5;
  filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.9));
  animation: beamPulse 1.5s infinite alternate;
}
@keyframes beamPulse {
  from { opacity: 0.7; }
  to { opacity: 1; }
}

/* 1. 中心核心恒星：MATRIX 07 数字作战指挥室 */
.galaxy-core-star {
  position: absolute;
  left: 500px;
  top: 310px;
  transform: translate(-50%, -50%);
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 24, 34, 0.98) 0%, rgba(9, 13, 20, 0.96) 75%, rgba(197, 160, 89, 0.18) 100%);
  border: 2px solid var(--copper-gold);
  box-shadow: 0 0 40px rgba(197, 160, 89, 0.25), inset 0 0 25px rgba(197, 160, 89, 0.15);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  text-align: center;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.core-radar-sweep {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(197, 160, 89, 0.28) 0deg, rgba(197, 160, 89, 0) 65deg);
  animation: radarSweep 6s linear infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes radarSweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.core-inner-capsule {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.core-h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: #FFFFFF;
  margin: 0;
  line-height: 1.2;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.25);
}

.core-sub {
  font-size: 0.76rem;
  color: var(--copper-gold);
  font-weight: 600;
}

.core-impact-text {
  font-size: 0.80rem;
  color: #E5E7EB;
  line-height: 1.5;
  background: rgba(0, 0, 0, 0.45);
  border-left: 2px solid var(--copper-gold);
  padding: 6px 10px;
  border-radius: 0 4px 4px 0;
  transition: all 0.3s ease;
  max-width: 220px;
}

.core-hud-indicator {
  font-family: var(--font-mono);
  font-size: 0.60rem;
  color: #9CA3AF;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 1px;
}

.hud-mesh {
  color: var(--steel-emerald);
  font-weight: 700;
}

/* 2. 环绕行星球体矩阵 MATRIX 01 ~ 06 */
.galaxy-node-orb {
  position: absolute;
  z-index: 10;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 极坐标绝对位置 (画布中心 500px, 310px, 半径 210px) */
.pos-n1 { left: 500px; top: 95px; transform: translate(-50%, -50%); }
.pos-n2 { left: 685px; top: 202px; transform: translate(-50%, -50%); }
.pos-n3 { left: 685px; top: 418px; transform: translate(-50%, -50%); }
.pos-n4 { left: 500px; top: 525px; transform: translate(-50%, -50%); }
.pos-n5 { left: 315px; top: 418px; transform: translate(-50%, -50%); }
.pos-n6 { left: 315px; top: 202px; transform: translate(-50%, -50%); }

.orb-sphere {
  width: 98px;
  height: 98px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #1F2937 0%, #0B0F17 70%, #030712 100%);
  border: 1.5px solid var(--copper-gold);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), inset 0 0 14px rgba(197, 160, 89, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  position: relative;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  animation: orbFloat 4s ease-in-out infinite alternate;
}

.pos-n1 .orb-sphere { animation-delay: 0s; }
.pos-n2 .orb-sphere { animation-delay: 0.6s; }
.pos-n3 .orb-sphere { animation-delay: 1.2s; }
.pos-n4 .orb-sphere { animation-delay: 1.8s; }
.pos-n5 .orb-sphere { animation-delay: 2.4s; }
.pos-n6 .orb-sphere { animation-delay: 3.0s; }

@keyframes orbFloat {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-5px); }
}

.orb-ring-halo {
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border-radius: 50%;
  border: 1px dashed rgba(197, 160, 89, 0.35);
  animation: orbitRotateClockwise 20s linear infinite;
  pointer-events: none;
}

.orb-idx {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 900;
  color: var(--copper-gold);
  background: rgba(197, 160, 89, 0.12);
  padding: 1px 6px;
  border-radius: 10px;
  border: 1px solid rgba(197, 160, 89, 0.3);
}

.orb-title {
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.orb-status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--steel-emerald);
  box-shadow: 0 0 6px var(--steel-emerald);
}

/* 悬停动效与展开浮层 */
.galaxy-node-orb:hover .orb-sphere,
.galaxy-node-orb.is-active .orb-sphere {
  transform: scale(1.10) translateY(-3px);
  border-color: #FFFFFF;
  box-shadow: 0 0 32px rgba(197, 160, 89, 0.65), inset 0 0 16px rgba(16, 185, 129, 0.4);
}

.orb-card-pop {
  position: absolute;
  width: 270px;
  background: rgba(11, 15, 23, 0.96);
  backdrop-filter: blur(12px);
  border: 1px solid var(--copper-gold);
  border-radius: 8px;
  padding: 12px 14px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.8);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.92);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 20;
}

.galaxy-node-orb:hover .orb-card-pop,
.galaxy-node-orb.is-active .orb-card-pop {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.pop-top { bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%) scale(0.92); }
.pop-bottom { top: calc(100% + 10px); left: 50%; transform: translateX(-50%) scale(0.92); }
.pop-right { left: calc(100% + 12px); top: 50%; transform: translateY(-50%) scale(0.92); }
.pop-left { right: calc(100% + 12px); top: 50%; transform: translateY(-50%) scale(0.92); }

.galaxy-node-orb:hover .pop-top { transform: translateX(-50%) scale(1); }
.galaxy-node-orb:hover .pop-bottom { transform: translateX(-50%) scale(1); }
.galaxy-node-orb:hover .pop-right { transform: translateY(-50%) scale(1); }
.galaxy-node-orb:hover .pop-left { transform: translateY(-50%) scale(1); }

.orb-pop-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 6px;
}
.orb-pop-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--copper-gold);
  white-space: nowrap;
}
.orb-pop-pain {
  font-family: var(--font-mono);
  font-size: 0.60rem;
  color: #F87171;
  background: rgba(239, 68, 68, 0.1);
  padding: 1px 5px;
  border-radius: 3px;
  white-space: nowrap;
}
.orb-pop-h4 {
  font-size: 0.86rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 6px 0;
}
.orb-pop-desc {
  font-size: 0.76rem;
  color: #D1D5DB;
  line-height: 1.5;
  margin: 0;
}

/* Battle-Tested Capability Strip */
.pm-metrics-strip {
  margin-top: 48px;
  background: linear-gradient(180deg, rgba(13, 17, 24, 0.9), rgba(6, 9, 15, 0.95));
  border: 1px solid var(--border-copper);
  border-radius: 12px;
  padding: 24px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
}

.pm-strip-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
  border-right: 1px solid rgba(197, 160, 89, 0.2);
}

.pm-strip-item:last-child {
  border-right: none;
}

.pm-strip-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--copper-gold);
  line-height: 1.1;
  text-shadow: 0 0 16px rgba(197, 160, 89, 0.3);
}

.pm-strip-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: #FFFFFF;
}

.pm-strip-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* ==========================================================================
   PAGE 4: 5-DIMENSIONAL SYSTEM BLUEPRINT & 3D STEEL BUILDING TWIN
   ========================================================================== */
.arch-twin-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  margin-top: 36px;
  align-items: stretch;
}

/* 左侧：五维架构卡片列表 */
.arch-twin-left {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.arch-layer-card {
  background: linear-gradient(145deg, rgba(13, 17, 24, 0.95), rgba(7, 10, 16, 0.98));
  border: 1px solid var(--border-copper);
  border-radius: 8px;
  padding: 13px 18px;
  cursor: pointer;
  position: relative;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.arch-layer-card:hover,
.arch-layer-card.is-active {
  border-color: var(--copper-gold);
  background: linear-gradient(145deg, rgba(24, 30, 42, 0.98), rgba(12, 17, 26, 0.98));
  transform: translateX(4px);
  box-shadow: 0 8px 24px rgba(197, 160, 89, 0.2), inset 0 0 12px rgba(197, 160, 89, 0.08);
}

.arch-layer-card.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--copper-gold);
  border-radius: 8px 0 0 8px;
  box-shadow: 0 0 10px var(--copper-gold);
}

.alc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
}

.alc-pill-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.alc-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--copper-gold);
  background: rgba(197, 160, 89, 0.12);
  border: 1px solid var(--border-copper);
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.alc-twin-tag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  color: var(--steel-emerald);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 1px 6px;
  border-radius: 3px;
}

.alc-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: #9CA3AF;
}

.arch-layer-card.is-active .alc-status {
  color: var(--steel-emerald);
}

.alc-title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: #FFFFFF;
  margin: 0 0 4px 0;
  line-height: 1.3;
}

.alc-desc {
  font-size: 0.82rem;
  color: #D1D5DB;
  line-height: 1.5;
  margin: 0;
}

/* 右侧：3D 钢结构 5 层建筑孪生视窗 */
.arch-twin-right {
  background: linear-gradient(145deg, rgba(11, 15, 23, 0.98), rgba(4, 7, 13, 0.99));
  border: 1px solid var(--border-copper);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.6);
  min-height: 520px;
}

.arch-3d-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(197, 160, 89, 0.2);
  padding-bottom: 10px;
  margin-bottom: 10px;
  gap: 12px;
}

.a3d-hud-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.a3d-hud-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--copper-gold);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.a3d-hud-sub {
  font-size: 0.60rem;
  color: #9CA3AF;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.a3d-hud-floor {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: #FFFFFF;
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid var(--copper-gold);
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.a3d-f-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--steel-emerald);
  box-shadow: 0 0 8px var(--steel-emerald);
  animation: pulse-emerald 2s infinite ease-in-out;
}

.arch-3d-canvas-wrap {
  flex: 1;
  width: 100%;
  min-height: 400px;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, rgba(20, 26, 38, 0.6) 0%, rgba(4, 7, 13, 0.95) 100%);
}

.arch-3d-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.arch-3d-floor-indicators {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.a3d-floor-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(197, 160, 89, 0.25);
  color: #9CA3AF;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 6px 0;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.a3d-floor-btn:hover,
.a3d-floor-btn.active {
  background: rgba(197, 160, 89, 0.2);
  border-color: var(--copper-gold);
  color: #FFFFFF;
  box-shadow: 0 0 10px rgba(197, 160, 89, 0.3);
}

@media (max-width: 1200px) {
  .story-card-body { grid-template-columns: 1fr; }
  .sc-visual-col { flex-direction: row; }
  .sc-img-wrap { width: 45%; }
  .sc-laser-hud { width: 55%; }
}

@media (max-width: 768px) {
  .story-sticky-layout { flex-direction: column; }
  .story-3d-sticky-col { width: 100%; position: relative; top: 0; height: auto; min-height: unset; }
  .story-3d-viewport-card { height: 340px; }
  .story-content-scroll-col { width: 100%; }
  .story-card-body { grid-template-columns: 1fr; }
  .sc-visual-col { flex-direction: column; }
  .sc-img-wrap { width: 100%; }
  .sc-laser-hud { width: 100%; }
  .vertical-page-dots { display: none; }
  .monument-h1 { font-size: 2.4rem; }
  .doc-matrix-row { grid-template-columns: 1fr; }
  .deal-drill-box { grid-template-columns: 1fr; }
  .cl-grid-3 { grid-template-columns: 1fr; }
  .cl-grid-2 { grid-template-columns: 1fr; }
  .monument-telemetry-bar { flex-direction: column; gap: 14px; text-align: center; }
  .t-col { text-align: center; }
  .t-divider { display: none; }
}