/**
 * ============================================================================
 * 乾坤堂 · 官方应用宫门户 2.0 样式表 (portal_style.css)
 * ----------------------------------------------------------------------------
 * 适配规范: WCAG 黄金高对比度、宣纸/夜观双主题、SEC-13~18 移动端工业级自适应
 * ============================================================================
 */

:root {
  --bg-1: #0a0e16;
  --bg-2: #0d1320;
  --bg-3: #111a2c;
  --text-main: #ede6d8;
  --text-soft: #c8c2b7;
  --text-muted: #9c9480;
  --gold: #d8b863;
  --gold-2: #b9923a;
  --cinnabar: #c0392b;
  --cinnabar-2: #9e2b1e;
  --card-bg: rgba(18, 24, 38, 0.72);
  --card-border: rgba(216, 184, 99, 0.22);
  --card-border-hover: rgba(216, 184, 99, 0.60);
  --shadow: rgba(0, 0, 0, 0.45);
  --seal-bg: #b5341f;
  --star-color: rgba(255, 248, 230, 0.75);
}

[data-theme="paper"] {
  --bg-1: #efe6d2;
  --bg-2: #f5edd9;
  --bg-3: #e6dac0;
  --text-main: #2a2114;
  --text-soft: #5b4a2e;
  --text-muted: #8a7a5c;
  --gold: #a87e2c;
  --gold-2: #8a6418;
  --cinnabar: #b5341f;
  --cinnabar-2: #8e2515;
  --card-bg: rgba(255, 251, 242, 0.88);
  --card-border: rgba(176, 52, 31, 0.22);
  --card-border-hover: rgba(176, 52, 31, 0.55);
  --shadow: rgba(120, 90, 40, 0.15);
  --seal-bg: #b5341f;
  --star-color: transparent;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
  max-width: 100vw;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-main);
  font-family: "Noto Serif SC", "Songti SC", STSong, SimSun, serif;
  background:
    radial-gradient(1200px 720px at 82% -12%, rgba(216, 184, 99, 0.12), transparent 60%),
    radial-gradient(900px 620px at 8% 112%, rgba(192, 57, 43, 0.10), transparent 55%),
    linear-gradient(165deg, var(--bg-1), var(--bg-2) 55%, var(--bg-3));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s ease, color 0.3s ease;
  overflow-x: hidden;
  word-break: break-all;
  overflow-wrap: break-word;
}

/* 星汉层 (夜观模式可见) */
.stars-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
  transition: opacity 0.5s ease;
}

.stars-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.4px 1.4px at 14% 18%, var(--star-color), transparent),
    radial-gradient(1.2px 1.2px at 28% 72%, var(--star-color), transparent),
    radial-gradient(1.6px 1.6px at 45% 34%, var(--star-color), transparent),
    radial-gradient(1.1px 1.1px at 62% 12%, var(--star-color), transparent),
    radial-gradient(1.5px 1.5px at 74% 58%, var(--star-color), transparent),
    radial-gradient(1.2px 1.2px at 86% 28%, var(--star-color), transparent),
    radial-gradient(1.4px 1.4px at 92% 78%, var(--star-color), transparent),
    radial-gradient(1.2px 1.2px at 38% 52%, var(--star-color), transparent);
  animation: twinkle 6s ease-in-out infinite alternate;
}

[data-theme="paper"] .stars-layer {
  opacity: 0;
}

@keyframes twinkle {
  from { opacity: 0.45; }
  to { opacity: 0.95; }
}

/* 主容器安全箱约束 (SEC-13) */
.main-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px calc(24px + env(safe-area-inset-bottom));
}

/* 定位胶囊条 (SEC-15) */
.location-capsule {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(216, 184, 99, 0.08);
  border: 1px solid rgba(216, 184, 99, 0.25);
  font-size: 11.5px;
  color: var(--text-soft);
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 0;
}

[data-theme="paper"] .location-capsule {
  background: rgba(181, 52, 31, 0.06);
  border-color: rgba(181, 52, 31, 0.22);
  color: var(--text-soft);
}

/* 顶栏 */
.portal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0 10px;
  margin-bottom: 6px;
  border-bottom: 1px solid rgba(216, 184, 99, 0.16);
}

[data-theme="paper"] .portal-header {
  border-bottom-color: rgba(181, 52, 31, 0.15);
}

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

.brand-text .brand-name {
  font-family: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  font-size: 19px;
  letter-spacing: 2px;
  color: var(--text-main);
  font-weight: 600;
}

.brand-text .brand-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-pill {
  cursor: pointer;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-soft);
  padding: 6px 13px;
  border-radius: 999px;
  font-family: "Noto Serif SC", serif;
  font-size: 12px;
  letter-spacing: 0.8px;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-pill:hover {
  border-color: var(--card-border-hover);
  color: var(--gold);
}

.btn-pill-gold {
  border-color: rgba(216, 184, 99, 0.45);
  color: #fed679;
  background: rgba(216, 184, 99, 0.12);
}

[data-theme="paper"] .btn-pill-gold {
  border-color: rgba(181, 52, 31, 0.4);
  color: #8e2515;
  background: rgba(181, 52, 31, 0.08);
}

/* 分类 Tab 切换栏 (SEC-17 渐进式收拢) */
.category-tab-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 0 14px;
  scrollbar-width: none;
}

.category-tab-bar::-webkit-scrollbar {
  display: none;
}

.cat-tab-btn {
  padding: 7px 15px;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--text-soft);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  font-family: "Noto Serif SC", serif;
}

.cat-tab-btn:hover {
  color: var(--gold);
  border-color: var(--card-border-hover);
}

.cat-tab-btn.active {
  background: linear-gradient(135deg, rgba(216, 184, 99, 0.25), rgba(192, 57, 43, 0.2));
  border-color: var(--gold);
  color: #fff2c2;
  font-weight: 600;
}

[data-theme="paper"] .cat-tab-btn.active {
  background: linear-gradient(135deg, rgba(181, 52, 31, 0.18), rgba(216, 184, 99, 0.15));
  border-color: var(--cinnabar);
  color: #8e2515;
}

/* 卡片网格 */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* 软件卡片 */
.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 18px 18px 16px;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  color: var(--text-main);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
}

.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-border-hover);
  box-shadow: 0 12px 30px var(--shadow), 0 0 0 1px var(--card-border-hover);
}

/* 斗首日课王牌高亮卡片 */
.app-card.card-featured {
  border-color: rgba(216, 184, 99, 0.55);
  background: linear-gradient(150deg, rgba(28, 20, 38, 0.85), rgba(18, 24, 38, 0.85));
  box-shadow: 0 4px 20px rgba(216, 184, 99, 0.12);
}

[data-theme="paper"] .app-card.card-featured {
  background: linear-gradient(150deg, rgba(255, 248, 235, 0.95), rgba(255, 252, 246, 0.95));
  border-color: rgba(181, 52, 31, 0.45);
}

.card-top {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  margin-bottom: 10px;
}

.card-gourd-box {
  width: 48px;
  height: 64px;
  flex-shrink: 0;
}

.card-title-group {
  flex: 1;
  min-width: 0;
}

.card-title {
  margin: 0;
  font-family: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 1px;
  color: var(--text-main);
}

.card-badge {
  display: inline-block;
  padding: 2px 7px;
  font-size: 11px;
  color: #fff2c2;
  background: linear-gradient(135deg, #b5341f, #8e2515);
  border: 1px solid rgba(254, 214, 121, 0.4);
  border-radius: 4px;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.card-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
  margin: 0 0 12px;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.card-tags span {
  font-size: 11px;
  color: var(--gold-2);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 2px 8px;
  background: rgba(216, 184, 99, 0.06);
}

[data-theme="paper"] .card-tags span {
  color: var(--cinnabar);
  border-color: rgba(181, 52, 31, 0.2);
  background: rgba(181, 52, 31, 0.05);
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid rgba(216, 184, 99, 0.15);
  gap: 8px;
}

[data-theme="paper"] .card-actions {
  border-top-color: rgba(181, 52, 31, 0.14);
}

.btn-open {
  text-decoration: none;
  font-size: 13px;
  color: #ffd875;
  background: rgba(216, 184, 99, 0.15);
  border: 1px solid rgba(216, 184, 99, 0.35);
  border-radius: 6px;
  padding: 5px 12px;
  font-family: "ZCOOL XiaoWei", serif;
  letter-spacing: 1px;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-open:hover {
  background: rgba(216, 184, 99, 0.28);
  border-color: #ffd875;
  color: #fff;
}

[data-theme="paper"] .btn-open {
  color: #8e2515;
  background: rgba(181, 52, 31, 0.08);
  border-color: rgba(181, 52, 31, 0.3);
}

.btn-install {
  cursor: pointer;
  font-size: 12px;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 5px 10px;
  letter-spacing: 0.5px;
  transition: all 0.2s;
}

.btn-install:hover {
  border-color: var(--card-border-hover);
  color: var(--gold);
}

/* 筹备中卡片 */
.app-card.card-placeholder {
  opacity: 0.88;
}

.app-card.card-placeholder .card-title {
  color: var(--text-soft);
}

.placeholder-badge {
  font-size: 11px;
  color: #fbeede;
  background: #6b7280;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
}

/* 弹窗与抽屉 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: #111724;
  border: 1px solid rgba(216, 184, 99, 0.35);
  border-radius: 14px;
  padding: 22px 20px 20px;
  color: var(--text-main);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  max-height: 90vh;
  overflow-y: auto;
}

[data-theme="paper"] .modal-card {
  background: #fffcf5;
  border-color: rgba(181, 52, 31, 0.35);
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: none;
  font-size: 18px;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--gold);
}

.modal-title {
  margin: 0 0 14px;
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 20px;
  color: #ffd875;
  letter-spacing: 1.5px;
  text-align: center;
}

[data-theme="paper"] .modal-title {
  color: #8e2515;
}

.modal-channel-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0;
}

.channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(20, 27, 43, 0.7);
  border: 1px solid rgba(216, 184, 99, 0.16);
  gap: 10px;
}

[data-theme="paper"] .channel-item {
  background: rgba(247, 241, 230, 0.85);
  border-color: rgba(181, 52, 31, 0.16);
}

.channel-info h4 {
  margin: 0 0 3px;
  font-size: 14px;
  color: var(--text-main);
}

.channel-info p {
  margin: 0;
  font-size: 11.5px;
  color: var(--text-muted);
}

.btn-action-sm {
  padding: 6px 12px;
  font-size: 12px;
  color: #ffd875;
  background: rgba(216, 184, 99, 0.15);
  border: 1px solid rgba(216, 184, 99, 0.35);
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}

/* 页脚 (SEC-16 安全区避让) */
.portal-footer {
  margin-top: 40px;
  padding: 24px 0 calc(32px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(216, 184, 99, 0.16);
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.8;
}

.footer-brand {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 16px;
  color: var(--text-soft);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

@media screen and (max-width: 600px) {
  .apps-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .portal-header {
    flex-wrap: wrap;
    gap: 10px;
  }
}


/* ==========================================================================
   乾坤堂 · 方案 B【时空力学 · 经纬真躔】动态天机罗盘开屏典仪样式
   ========================================================================== */
.opening-ceremony-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 40%, #151821 0%, #090B0F 70%, #050608 100%);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1), filter 0.65s ease;
}
.opening-ceremony-overlay.fading-out {
  opacity: 0;
  transform: scale(1.08);
  filter: blur(8px);
  pointer-events: none;
}
.ceremony-sky-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
}
.ceremony-stars {
  position: absolute;
  width: 100%; height: 100%;
  background-image: 
    radial-gradient(1px 1px at 25px 35px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 120px 80px, #ffd875, transparent),
    radial-gradient(1px 1px at 240px 190px, #fff, transparent),
    radial-gradient(2px 2px at 320px 110px, #f5e8c7, transparent),
    radial-gradient(1px 1px at 80px 280px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 210px 320px, #ffd875, transparent);
  background-size: 380px 380px;
  opacity: 0.6;
  animation: starsTwinkle 4s ease-in-out infinite alternate;
}
@keyframes starsTwinkle {
  0% { opacity: 0.35; transform: scale(0.99); }
  100% { opacity: 0.75; transform: scale(1.01); }
}
.ceremony-skip-btn {
  position: absolute;
  top: max(16px, env(safe-area-inset-top));
  right: max(16px, env(safe-area-inset-right));
  background: rgba(20, 18, 25, 0.75);
  border: 1px solid rgba(212, 175, 55, 0.5);
  color: #F5E8C7;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(8px);
  z-index: 10;
  transition: all 0.2s;
}
.ceremony-skip-btn:hover {
  background: rgba(158, 26, 26, 0.85);
  border-color: #ffd875;
  color: #fff;
  transform: scale(1.03);
}
.ceremony-core-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 460px;
  padding: 20px;
  position: relative;
  z-index: 2;
}
.ceremony-astrolabe-wrap {
  width: clamp(285px, 78vw, 325px);
  height: clamp(285px, 78vw, 325px);
  margin-bottom: 24px;
  position: relative;
  filter: drop-shadow(0 0 45px rgba(212, 175, 55, 0.55));
}
@media (min-width: 768px) {
  .ceremony-astrolabe-wrap {
    width: 380px;
    height: 380px;
    margin-bottom: 28px;
  }
}
.ceremony-astrolabe-svg {
  width: 100%;
  height: 100%;
}
.astrolabe-outer-ring {
  transform-origin: 180px 180px;
  animation: spinAstrolabe 54s linear infinite;
}
.astrolabe-mid-ring {
  transform-origin: 180px 180px;
  animation: spinAstrolabeRev 24s linear infinite;
}
.astrolabe-inner-ring {
  transform-origin: 180px 180px;
  animation: spinAstrolabe 16s linear infinite;
}
@keyframes spinAstrolabe {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes spinAstrolabeRev {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

/* 方案 B 烫金诗诀流光排印 */
.ceremony-poetry-box {
  margin-bottom: 22px;
}
.ceremony-line {
  font-family: 'Ma Shan Zheng', 'Noto Serif SC', 'Songti SC', serif;
  color: #FCE8B2;
  letter-spacing: 2px;
  line-height: 1.8;
  opacity: 0;
  transform: translateY(8px);
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
  animation: lineSlideFade 0.75s ease-out forwards;
}
.ceremony-line.line-1 {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 3.5px;
  color: #FFF;
  margin-bottom: 8px;
  text-shadow: 0 0 16px rgba(255, 216, 117, 0.65);
  animation-delay: 0.35s;
}
.ceremony-line.line-2 {
  font-size: 15px;
  color: #FEE49E;
  letter-spacing: 2.2px;
  margin-bottom: 4px;
  animation-delay: 1.1s;
}
.ceremony-line.line-3 {
  font-size: 14px;
  color: #E2C98A;
  letter-spacing: 2.5px;
  margin-bottom: 8px;
  animation-delay: 1.85s;
}
.ceremony-line.line-author {
  font-size: 12.5px;
  color: #C5A866;
  letter-spacing: 4px;
  animation-delay: 2.6s;
}
@keyframes lineSlideFade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.ceremony-progress-wrap {
  width: 140px;
  height: 2px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}
.ceremony-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #d4af37, #ffd875, #ffffff);
  animation: progressFill 4.8s cubic-bezier(0.2, 0.8, 0.3, 1) forwards;
}
@keyframes progressFill {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* 高清独立软件 LOGO 统一视觉规范 */
.app-icon-hd {
  width: 58px;
  height: 58px;
  border-radius: 12px;
  border: 1px solid rgba(212, 175, 55, 0.45);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
  object-fit: cover;
  flex-shrink: 0;
  background: #0E1118;
  transition: transform 0.25s, box-shadow 0.25s;
}
.app-card:hover .app-icon-hd {
  transform: scale(1.05);
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.35);
  border-color: #ffd875;
}

.brand-hall-logo {
  width: 52px;
  height: 70px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.45));
  transition: transform 0.2s;
}
.brand-hall-logo:hover {
  transform: scale(1.05);
}


/* 移动端顶栏 LOGO 适度平衡，确保不挤压右侧操作按钮 */
@media screen and (max-width: 480px) {
  .brand-hall-logo {
    width: 44px !important;
    height: 58px !important;
  }
  .brand-text .brand-name {
    font-size: 17px !important;
  }
}

/* 真实二十八星宿与深空星汉氛围增强 */
.deep-sky-stars {
  animation: starsTwinkle 6s ease-in-out infinite alternate;
}


/* ==========================================================================
   真实浩瀚星空苍穹全屏旋转样式 (堂主定案：真实星空周天自转)
   ========================================================================== */
.ceremony-sky-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  overflow: hidden;
  pointer-events: none;
  background: #04060b;
}

.real-sky-rotating-vault {
  position: absolute;
  top: 50%;
  left: 50%;
  width: max(160vw, 160vh);
  height: max(160vw, 160vh);
  max-width: 2400px;
  max-height: 2400px;
  transform: translate(-50%, -50%);
  animation: celestialVaultRotate 80s linear infinite;
  will-change: transform;
  display: flex;
  align-items: center;
  justify-content: center;
}

#realCosmosCanvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  opacity: 0.95;
  filter: contrast(1.1) brightness(1.05);
}

@keyframes celestialVaultRotate {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* 暗角与中心柔光遮罩，确保中央金色罗盘、大篆总堂号与诗诀极其清晰尊贵 */
.sky-vignette-mask {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(9, 12, 22, 0.15) 0%, rgba(5, 7, 14, 0.45) 60%, rgba(2, 3, 7, 0.82) 100%);
  pointer-events: none;
}


/* 纯净高亮北斗七星呼吸微光 (无文字，纯透星芒) */
.pure-luminous-big-dipper {
  animation: pureDipperTwinkle 3.5s ease-in-out infinite alternate;
}
@keyframes pureDipperTwinkle {
  0% { opacity: 0.85; filter: drop-shadow(0 0 2px rgba(255, 216, 117, 0.6)); }
  100% { opacity: 1.0; filter: drop-shadow(0 0 6px rgba(255, 216, 117, 0.95)) drop-shadow(0 0 10px rgba(72, 202, 228, 0.7)); }
}


/* 微缩纯净北斗七星高亮星芒呼吸效果 */
.mini-big-dipper-stellar {
  animation: miniDipperGlow 3s ease-in-out infinite alternate;
}
@keyframes miniDipperGlow {
  0% { filter: drop-shadow(0 0 2px rgba(255, 216, 117, 0.7)); }
  100% { filter: drop-shadow(0 0 5px rgba(255, 216, 117, 1.0)) drop-shadow(0 0 8px rgba(72, 202, 228, 0.7)); }
}


/* ==========================================================================
   真实北斗星空旋转盘 (堂主指定：真实星空质感，除字后围绕 LOGO 周天旋转)
   ========================================================================== */
.ceremony-astrolabe-wrap {
  width: clamp(285px, 78vw, 325px);
  height: clamp(285px, 78vw, 325px);
  margin-bottom: 24px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .ceremony-astrolabe-wrap {
    width: 380px;
    height: 380px;
    margin-bottom: 28px;
  }
}

.astrolabe-real-sky-disc {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 35px rgba(18, 30, 60, 0.6), inset 0 0 25px rgba(2, 4, 8, 0.8);
  animation: celestialVaultRotate 80s linear infinite;
  will-change: transform;
}

#cleanedDipperCanvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 极细天体经纬金丝微圈点缀 */
.astrolabe-gold-ring-decor {
  position: absolute;
  top: 4px; left: 4px; right: 4px; bottom: 4px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 216, 117, 0.35);
  pointer-events: none;
  animation: celestialVaultRotate 60s linear infinite reverse;
}

/* 中心乾坤堂红金总堂号宝印 (巍然屹立于宇宙天极中宫) */
.astrolabe-center-logo-box {
  position: relative;
  z-index: 10;
  width: 86px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 4px 18px rgba(0, 0, 0, 0.95)) drop-shadow(0 0 16px rgba(212, 175, 55, 0.45));
}

.astrolabe-center-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}