/* ==========================================================================
   封面页样式 (index.css) - 入口大厅气度、分层排版与内嵌头像优雅视觉
   ========================================================================== */

body {
	margin: 0;
	padding: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	overflow: hidden;
	background-color: #0b192c;
}

/* ==========================================================================
   1. 动感电影级背景层 (Ken Burns 缓慢呼吸式镜头平移与微缩放)
   ========================================================================== */
.bg-animated-layer {
	position: fixed;
	top: -5%;
	left: -5%;
	width: 110%;
	height: 110%;
	background: url(../img/index_bg.jpg) no-repeat center center;
	background-size: cover;
	z-index: 0;
	animation: kenBurns 26s ease-in-out infinite alternate;
	will-change: transform;
	pointer-events: none;
}

@keyframes kenBurns {
	0% {
		transform: scale(1) translate(0, 0);
	}
	50% {
		transform: scale(1.07) translate(-1.2%, -0.8%);
	}
	100% {
		transform: scale(1.04) translate(1%, 0.6%);
	}
}

/* 背景轻透遮罩 */
body::before {
	content: "";
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.12);
	z-index: 1;
	pointer-events: none;
}

/* ==========================================================================
   2. 灵动夏日光斑微浮尘粒子 (Floating Sunlight Particles)
   ========================================================================== */
.floating-particles {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
	pointer-events: none;
	overflow: hidden;
}

.floating-particles span {
	position: absolute;
	bottom: -30px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 0%, rgba(255, 235, 180, 0.4) 60%, transparent 100%);
	box-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
	animation: floatMote linear infinite;
}

@keyframes floatMote {
	0% {
		transform: translateY(0) translateX(0) scale(0.8);
		opacity: 0;
	}
	15% {
		opacity: 0.85;
	}
	85% {
		opacity: 0.85;
	}
	100% {
		transform: translateY(-115vh) translateX(40px) scale(1.2);
		opacity: 0;
	}
}

#bkground {
	width: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 40px 20px;
	z-index: 2;
	position: relative;
}

/* ==========================================================================
   3. 扩容升级版“入口大厅”卡片 (Grand Entrance Lounge)
   优化点：
   - 宽度扩大 13% (530px)，高度与内边距舒展增加
   - 上半部分极致隐形透亮，整体沉浸悬浮于夏日车站场景中
   ========================================================================== */
#bkground .my-information {
	width: 530px; /* 宽度扩大 13%，视野更阔朗有大厅感 */
	max-width: 92%;
	margin: 0 auto;
	padding: 46px 42px 44px 42px; /* 内边距舒展增加，上下左右呼吸感充盈 */
	position: relative;
	/* 
	   渐变半透明滤镜：
	   顶部仅 8% 不透明度（极度通透，背景完全透出），向下自然过渡托住文字
	*/
	background: linear-gradient(
		180deg,
		rgba(12, 22, 38, 0.08) 0%,
		rgba(12, 22, 38, 0.28) 45%,
		rgba(12, 22, 38, 0.52) 100%
	);
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
	border-radius: 28px;
	/* 极细微弱晶质边缘线 (15%透明度) */
	border: 1px solid rgba(255, 255, 255, 0.15);
	box-shadow: 
		0 24px 60px rgba(0, 0, 0, 0.22),
		inset 0 1px 0 rgba(255, 255, 255, 0.2);
	text-align: center;
	animation: floatUp 1.2s cubic-bezier(0.25, 0.8, 0.25, 1) both;
}

@keyframes floatUp {
	from {
		opacity: 0;
		transform: translateY(28px) scale(0.97);
	}
	to {
		opacity: 1;
		transform: translateY(0) scale(1);
	}
}

/* ==========================================================================
   4. 头像内嵌下压：不再“顶出去”，舒适居于卡片上部，不贴近顶部边界
   ========================================================================== */
#bkground .my-information .avatar-wrapper {
	position: relative;
	width: 124px;
	height: 124px;
	/* 💡 彻底移除 -110px 负外边距，自然优雅下移入框内，上方留足充裕空间 */
	margin: 4px auto 16px auto;
}

#bkground .my-information .avatar-box {
	width: 100%;
	height: 100%;
	border-radius: 50%;
	background: url(../img/avatar.jpg) no-repeat center center;
	background-size: cover;
	border: 3.5px solid #ffffff;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
	display: inline-block;
	transition: transform 0.4s ease;
}

#bkground .my-information .avatar-box:hover {
	transform: rotate(8deg) scale(1.08);
}

/* 头像柔光呼吸光环 */
#bkground .my-information .avatar-wrapper::after {
	content: "";
	position: absolute;
	top: -4px;
	left: -4px;
	right: -4px;
	bottom: -4px;
	border-radius: 50%;
	border: 2px solid #ff8595;
	animation: pulseGlow 2.5s infinite;
	pointer-events: none;
}

@keyframes pulseGlow {
	0% {
		transform: scale(1);
		opacity: 0.9;
	}
	50% {
		transform: scale(1.1);
		opacity: 0.35;
	}
	100% {
		transform: scale(1);
		opacity: 0.9;
	}
}

/* ==========================================================================
   5. 签名艺术标题（保持 38px 优雅尺度，不喧宾夺主）
   ========================================================================== */
#bkground .my-information .signature-title {
	font-family: 'Great Vibes', 'Alex Brush', cursive, 'Brush Script MT', serif;
	font-size: 38px;
	font-weight: 400;
	color: rgba(255, 255, 255, 0.92);
	line-height: 44px;
	margin-top: 2px;
	margin-bottom: 4px;
	letter-spacing: 1.5px;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
	transform: rotate(-1.5deg);
	display: inline-block;
}

/* ==========================================================================
   6. 车辆工程档案铭牌 (Vehicle Engineering Spec Plate)
   工程档案 / 机械轨规 / 车辆编号风格
   ========================================================================== */
#bkground .my-information .eng-spec-plate {
	display: inline-flex;
	flex-direction: column;
	align-items: center;
	margin: 8px auto 14px auto;
	padding: 4px 16px;
	cursor: default;
	user-select: none;
	transition: all 0.3s ease;
}

#bkground .my-information .eng-spec-plate .eng-main-row {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
}

/* 中间英文字：意大利手写体艺术字 (Italian Chancery / Cursive Script) */
#bkground .my-information .eng-spec-plate .eng-title {
	font-family: 'Italianno', 'Alex Brush', cursive, Georgia, serif;
	font-size: 30px;
	font-weight: 400;
	letter-spacing: 1.2px;
	color: #ffffff;
	line-height: 1;
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85), 0 0 14px rgba(255, 255, 255, 0.2);
	display: inline-flex;
	align-items: center;
	user-select: none;
	transition: all 0.3s ease;
}

/* 右侧 @ HFUT：方案 B - 雅致古典罗马衬线斜体旁注，无厚重框体，宛如诗集/出版物题注 */
#bkground .my-information .eng-spec-plate .eng-affil {
	font-family: 'Cormorant Garamond', 'Lora', Georgia, serif;
	font-style: italic;
	font-size: 15.5px;
	font-weight: 600;
	letter-spacing: 1.6px;
	color: rgba(255, 255, 255, 0.82);
	line-height: 1;
	padding-bottom: 2px;
	border-bottom: 1px dotted rgba(255, 255, 255, 0.35);
	text-shadow: 0 1px 4px rgba(0, 0, 0, 0.85);
	display: inline-flex;
	align-items: center;
	user-select: none;
	transition: all 0.28s ease;
}

/* 铭牌下方的细轨规与刻度线 */
#bkground .my-information .eng-spec-plate .eng-rail-track {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	max-width: 320px;
	margin-top: 6px;
	position: relative;
}

#bkground .my-information .eng-spec-plate .track-line {
	flex: 1;
	height: 1px;
	background: linear-gradient(
		90deg,
		rgba(255, 255, 255, 0.05) 0%,
		rgba(255, 255, 255, 0.4) 50%,
		rgba(255, 255, 255, 0.05) 100%
	);
	transform-origin: center center;
	transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.35s ease;
}

#bkground .my-information .eng-spec-plate .track-tick {
	width: 1px;
	height: 5px;
	background: rgba(255, 255, 255, 0.45);
	transition: all 0.3s ease;
}

/* 轨道下方辅助行 */
#bkground .my-information .eng-spec-plate .eng-sub-row {
	margin-top: 5px;
	font-family: "Space Mono", "SF Mono", monospace;
	font-size: 8px;
	letter-spacing: 2.2px;
	color: rgba(195, 225, 220, 0.72);
	text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
	transition: color 0.3s ease;
}

/* 铭牌悬停微动效：意大利体光芒、@ HFUT 点亮提纯、轨道微扩 */
#bkground .my-information .eng-spec-plate:hover .eng-title {
	text-shadow: 0 0 16px rgba(255, 255, 255, 0.6), 0 2px 8px rgba(0, 0, 0, 0.9);
}

#bkground .my-information .eng-spec-plate:hover .eng-affil {
	color: #ffffff;
	border-bottom-color: rgba(255, 255, 255, 0.75);
	text-shadow: 0 0 10px rgba(255, 255, 255, 0.4), 0 1px 4px rgba(0, 0, 0, 0.9);
}

#bkground .my-information .eng-spec-plate:hover .track-line {
	transform: scaleX(1.06);
	background: linear-gradient(
		90deg,
		rgba(255, 255, 255, 0.1) 0%,
		rgba(255, 255, 255, 0.75) 50%,
		rgba(255, 255, 255, 0.1) 100%
	);
}

#bkground .my-information .eng-spec-plate:hover .track-tick {
	background: rgba(255, 255, 255, 0.8);
}

#bkground .my-information .eng-spec-plate:hover .track-line {
	transform: scaleX(1.06);
	background: linear-gradient(
		90deg,
		rgba(255, 255, 255, 0.1) 0%,
		rgba(255, 255, 255, 0.75) 50%,
		rgba(255, 255, 255, 0.1) 100%
	);
}

#bkground .my-information .eng-spec-plate:hover .track-tick {
	background: #ffffff;
	box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
	height: 7px;
}

#bkground .my-information .eng-spec-plate:hover .eng-sub-row {
	color: rgba(240, 250, 246, 0.95);
}

/* ==========================================================================
   7. 站台诗意短句氛围文字 (Lora 衬线体)
   ========================================================================== */
#bkground .my-information .poetry-intro {
	margin: 14px auto 14px auto;
	max-width: 92%;
	font-family: 'Lora', 'Noto Serif', 'Libre Baskerville', Georgia, serif;
}

#bkground .my-information .poetry-intro .quote-line {
	font-size: 14.5px;
	line-height: 25px;
	font-style: italic;
	color: rgba(255, 255, 255, 0.92);
	margin: 3px 0;
	letter-spacing: 0.4px;
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75);
}

/* ==========================================================================
   8. 章节轻量文字索引 (Next Stops Text Index - 无边框)
   ========================================================================== */
#bkground .my-information .chapter-index-nav {
	margin: 14px auto 16px auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	font-family: "Space Mono", "SF Mono", monospace;
	font-size: 9.5px;
	letter-spacing: 1.6px;
	color: rgba(165, 205, 192, 0.62);
	user-select: none;
}

#bkground .my-information .chapter-index-nav .index-lead {
	font-weight: 600;
	color: rgba(185, 220, 208, 0.78);
}

#bkground .my-information .chapter-index-nav .index-sep {
	color: rgba(255, 255, 255, 0.2);
	margin: 0 2px;
	font-weight: 300;
}

#bkground .my-information .chapter-index-nav .index-item {
	color: rgba(165, 205, 192, 0.62);
	transition: all 0.25s ease;
	cursor: default;
	text-decoration: none;
}

#bkground .my-information .chapter-index-nav .index-item:hover {
	color: rgba(235, 248, 242, 0.95);
	text-decoration: underline;
	text-decoration-color: rgba(157, 226, 167, 0.6);
	text-underline-offset: 3px;
}

/* ==========================================================================
   9. 沉静半透明车站入口牌 (Enter the Journey →)
   纯净玻璃铭牌 / 车站入口门牌质感
   ========================================================================== */
#bkground .my-information a.enter-btn {
	position: relative;
	overflow: hidden;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
	font-size: 14.5px;
	font-weight: 500;
	letter-spacing: 1.4px;
	color: rgba(242, 247, 245, 0.92);
	padding: 9px 30px;
	text-decoration: none;
	border-radius: 9px;
	border: 1px solid rgba(240, 245, 242, 0.26);
	background: rgba(10, 25, 35, 0.38);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
	transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s ease;
	text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

#bkground .my-information a.enter-btn::before {
	content: "";
	position: absolute;
	inset: -80% 35% -80% -35%;
	z-index: 0;
	background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.5) 49%, transparent 58%);
	transform: translateX(-120%) rotate(8deg);
	transition: transform 0s;
	pointer-events: none;
}

#bkground .my-information a.enter-btn::after {
	content: "";
	position: absolute;
	top: 5px;
	right: 45px;
	bottom: 5px;
	border-left: 1px dashed rgba(240, 245, 242, 0.34);
	pointer-events: none;
}

#bkground .my-information a.enter-btn .btn-text {
	position: relative;
	z-index: 1;
	display: inline-block;
}

#bkground .my-information a.enter-btn .btn-arrow {
	position: relative;
	z-index: 1;
	display: inline-block;
	font-size: 15px;
	line-height: 1;
	color: rgba(242, 247, 245, 0.85);
	transition: transform 0.25s ease;
}

/* 悬停时像一张纸票被灯光扫过，暗色玻璃翻成浅色票面。 */
#bkground .my-information a.enter-btn:hover {
	background: rgba(247, 244, 233, 0.94);
	border-color: rgba(250, 248, 239, 0.98);
	color: #203039;
	transform: translateY(-2px) scale(1.015);
	box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24), 0 0 18px rgba(255, 248, 220, 0.24);
	text-shadow: none;
}

#bkground .my-information a.enter-btn:hover::before {
	transform: translateX(230%) rotate(8deg);
	transition: transform 0.72s cubic-bezier(0.2, 0.8, 0.2, 1);
}

#bkground .my-information a.enter-btn:hover::after {
	border-color: rgba(32, 48, 57, 0.34);
}

#bkground .my-information a.enter-btn:hover .btn-arrow {
	color: #203039;
	transform: translateX(7px);
}

#bkground .my-information a.enter-btn:active {
	transform: translateY(0) scale(0.98);
	background: rgba(255, 253, 244, 0.98);
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

#bkground .my-information a.enter-btn.is-departing {
	animation: enterTicketDepart 0.42s cubic-bezier(0.3, 0.8, 0.2, 1) both;
}

@keyframes enterTicketDepart {
	0% { opacity: 1; transform: translateY(-2px) scale(1.015); }
	35% { opacity: 1; transform: translateX(8px) translateY(-2px) scale(1.03); }
	100% { opacity: 0; transform: translateX(26px) translateY(-2px) scale(1.06); }
}

/* ==========================================================================
   9. 四周档案感氛围细节 (Station Archive Details)
   ========================================================================== */
.station-archive-marks {
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: 5;
	font-family: "Space Mono", "SF Mono", "Consolas", monospace;
	color: rgba(255, 255, 255, 0.65);
	user-select: none;
}

.archive-mark {
	position: absolute;
	display: flex;
	align-items: center;
	gap: 8px;
}

.mark-top-left {
	top: 28px;
	left: 36px;
	font-size: 11px;
	letter-spacing: 1.5px;
	color: rgba(255, 255, 255, 0.72);
	text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.mark-top-left .mark-vol {
	font-weight: 700;
	color: #9de2a7;
}

.mark-top-left .mark-dot {
	color: rgba(255, 255, 255, 0.35);
}

.mark-top-left .mark-coord {
	margin-left: 10px;
	color: rgba(255, 255, 255, 0.45);
	font-size: 10px;
}

.mark-top-right {
	top: 24px;
	right: 36px;
	align-items: center;
	gap: 16px;
}

.mark-station-meta {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 2px;
	font-size: 10px;
	letter-spacing: 1.2px;
	color: rgba(255, 255, 255, 0.55);
	text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.mark-station-meta .mark-sys {
	font-weight: 700;
	color: rgba(255, 255, 255, 0.85);
}

/* 复古双环旅行邮戳 */
.archive-post-stamp {
	width: 44px;
	height: 44px;
	border-radius: 50%;
	border: 1.5px dashed rgba(162, 218, 180, 0.55);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	font-size: 8px;
	font-weight: 700;
	color: rgba(162, 218, 180, 0.85);
	transform: rotate(12deg);
	letter-spacing: 1px;
	line-height: 1.1;
	box-shadow: inset 0 0 8px rgba(90, 158, 98, 0.15);
}

/* 留白区淡淡手写便签 */
.mark-handwritten-note {
	right: 48px;
	bottom: 120px;
	font-family: 'Lora', 'Songti SC', serif;
	font-style: italic;
	font-size: 12.5px;
	color: rgba(240, 248, 242, 0.78);
	background: rgba(16, 28, 22, 0.35);
	backdrop-filter: blur(6px);
	padding: 6px 14px;
	border-radius: 6px;
	border-left: 2px solid rgba(90, 158, 98, 0.7);
	box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
	text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}

.mark-handwritten-note .note-pin {
	color: #9de2a7;
	font-style: normal;
	font-size: 10px;
}

.mark-bottom-center {
	bottom: 18px;
	left: 50%;
	transform: translateX(-50%);
	font-size: 9.5px;
	letter-spacing: 2px;
	color: rgba(255, 255, 255, 0.35);
}

/* ==========================================================================
   10. 行程轨道线与经停站点 (Journey Route Track)
   ========================================================================== */
.journey-route-layer {
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: 3;
}

.journey-route-layer .route-svg {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
}

.route-track-bg {
	fill: none;
	stroke: rgba(255, 255, 255, 0.12);
	stroke-width: 1.5;
	stroke-dasharray: 4 6;
}

.route-track-glow {
	fill: none;
	stroke: rgba(140, 225, 175, 0.65);
	stroke-width: 2;
	stroke-dasharray: 8 12;
	stroke-linecap: round;
	filter: drop-shadow(0 0 6px rgba(90, 158, 98, 0.7));
	animation: routeDashFlow 24s linear infinite;
}

@keyframes routeDashFlow {
	to {
		stroke-dashoffset: -400;
	}
}

.route-station {
	position: absolute;
	display: flex;
	align-items: center;
	gap: 6px;
	font-family: "Space Mono", monospace;
	font-size: 8px;
	letter-spacing: 1.2px;
	color: rgba(175, 215, 205, 0.52);
	text-shadow: 0 1px 4px rgba(0, 0, 0, 0.75);
	transition: all 0.3s ease;
}

.route-station .station-dot {
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background: rgba(157, 226, 167, 0.68);
	border: 1px solid rgba(255, 255, 255, 0.35);
	box-shadow: 0 0 5px rgba(90, 158, 98, 0.4);
	animation: stationPulse 3.5s ease-in-out infinite alternate;
}

@keyframes stationPulse {
	from {
		transform: scale(0.9);
		opacity: 0.55;
	}
	to {
		transform: scale(1.15);
		opacity: 0.85;
	}
}

#stationNextStop {
	transform: translateX(-50%);
	color: rgba(185, 225, 215, 0.65);
	font-weight: 500;
}

#stationNextStop.is-highlighted .station-dot {
	background: #38bdf8;
	box-shadow: 0 0 10px rgba(56, 189, 248, 0.75);
	transform: scale(1.3);
}

#stationNextStop.is-highlighted {
	color: #7dd3fc;
}



/* ==========================================================================
   12. 声音控制开关 (右下角优雅胶囊)
   ========================================================================== */
.audio-control-wrap {
	position: fixed;
	bottom: 28px;
	right: 32px;
	z-index: 15;
}

.audio-toggle-btn {
	background: rgba(20, 32, 26, 0.65);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 20px;
	padding: 6px 14px;
	font-family: "Space Mono", monospace;
	font-size: 10.5px;
	letter-spacing: 1px;
	color: rgba(255, 255, 255, 0.85);
	cursor: pointer;
	display: flex;
	align-items: center;
	gap: 6px;
	transition: all 0.25s ease;
	box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.audio-toggle-btn:hover {
	background: rgba(30, 50, 40, 0.85);
	border-color: rgba(90, 158, 98, 0.6);
	color: #9de2a7;
	transform: translateY(-2px);
	box-shadow: 0 6px 18px rgba(46, 125, 50, 0.35);
}

.audio-toggle-btn.is-active {
	background: rgba(46, 125, 50, 0.6);
	border-color: #5a9e62;
	color: #ffffff;
	box-shadow: 0 0 14px rgba(90, 158, 98, 0.5);
}

/* ==========================================================================
   13. 2.8s 电影级开场展开动效时序 (Opening Cinematic Sequence)
   ========================================================================== */
body.is-loading .bg-animated-layer {
	opacity: 0;
	animation: bgDevelop 2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes bgDevelop {
	0% { opacity: 0; filter: contrast(1.3) brightness(0.7); }
	100% { opacity: 1; filter: contrast(1) brightness(1); }
}

body.is-loading .station-archive-marks {
	opacity: 0;
	animation: fadeInStage 1.2s ease 0.4s forwards;
}

body.is-loading .journey-route-layer {
	opacity: 0;
	animation: fadeInStage 1.4s ease 0.8s forwards;
}

body.is-loading #bkground .my-information .avatar-wrapper {
	opacity: 0;
	animation: avatarDevelop 1.2s cubic-bezier(0.16, 1, 0.3, 1) 1.1s forwards;
}

@keyframes avatarDevelop {
	0% { opacity: 0; filter: blur(10px); transform: scale(0.9); }
	100% { opacity: 1; filter: blur(0); transform: scale(1); }
}

body.is-loading #bkground .my-information .signature-title,
body.is-loading #bkground .my-information .eng-spec-plate {
	opacity: 0;
	animation: textFloatStage 1s cubic-bezier(0.16, 1, 0.3, 1) 1.4s forwards;
}

body.is-loading #bkground .my-information .poetry-intro {
	opacity: 0;
	animation: textFloatStage 1s cubic-bezier(0.16, 1, 0.3, 1) 1.8s forwards;
}

body.is-loading #bkground .my-information .chapter-index-nav {
	opacity: 0;
	animation: textFloatStage 0.8s cubic-bezier(0.16, 1, 0.3, 1) 2.1s forwards;
}

body.is-loading #bkground .my-information a.enter-btn {
	opacity: 0;
	animation: btnAppearQuiet 0.9s cubic-bezier(0.16, 1, 0.3, 1) 2.4s forwards;
}

@keyframes btnAppearQuiet {
	0% { opacity: 0; transform: translateY(8px); }
	100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInStage {
	from { opacity: 0; }
	to { opacity: 1; }
}

@keyframes textFloatStage {
	from { opacity: 0; transform: translateY(14px); }
	to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   14. 页面推镜启程转场 (Page Transition)
   ========================================================================== */
body.page-transitioning {
	pointer-events: none;
}

body.page-transitioning #bkground {
	transform: scale(1.12) translateY(-25px);
	filter: blur(6px);
	opacity: 0;
	transition: all 0.48s cubic-bezier(0.4, 0, 0.2, 1);
}

body.page-transitioning .station-archive-marks,
body.page-transitioning .journey-route-layer {
	opacity: 0;
	transition: opacity 0.35s ease;
}

@media (prefers-reduced-motion: reduce) {
	#bkground .my-information a.enter-btn,
	#bkground .my-information a.enter-btn:hover,
	#bkground .my-information a.enter-btn:active {
		transform: none;
		transition: none;
	}
	#bkground .my-information a.enter-btn::before,
	#bkground .my-information a.enter-btn.is-departing {
		animation: none;
		transition: none;
	}
}

/* ==========================================================================
   15. 响应式与可访问性 (Responsive & a11y)
   ========================================================================== */
@media (max-width: 900px) {
	.mark-handwritten-note {
		right: 24px;
		bottom: 90px;
		transform: scale(0.88);
		transform-origin: bottom right;
	}
}

@media (max-width: 768px) {
	#bkground {
		padding: 24px 14px 80px 14px;
	}
	#bkground .my-information {
		padding: 28px 18px 24px 18px;
	}
	/* 移动端铭牌与章节索引精致自适应 */
	#bkground .my-information .eng-spec-plate .eng-main-row {
		justify-content: center;
		white-space: nowrap;
	}
	#bkground .my-information .eng-spec-plate .eng-title {
		font-size: 24px;
		letter-spacing: 1px;
	}
	#bkground .my-information .eng-spec-plate .eng-affil {
		font-size: 13px;
		letter-spacing: 1.2px;
	}
	#bkground .my-information .eng-spec-plate .eng-sub-row {
		font-size: 7.5px;
		letter-spacing: 1.6px;
	}
	#bkground .my-information .chapter-index-nav {
		font-size: 8px;
		letter-spacing: 1.2px;
		gap: 4px;
		flex-wrap: nowrap;
		white-space: nowrap;
	}
	#bkground .my-information .chapter-index-nav .index-sep {
		margin: 0 1px;
	}
	/* 移动端完整保留档案细节，微调尺度与垂直分层避免重叠 */
	.station-archive-marks .mark-top-left {
		top: 10px;
		left: 12px;
		font-size: 8.5px;
		flex-direction: column;
		align-items: flex-start;
		gap: 2px;
	}
	.station-archive-marks .mark-top-left .mark-coord {
		margin-left: 0;
		font-size: 7.5px;
		opacity: 0.65;
	}
	.station-archive-marks .mark-top-right {
		top: 10px;
		right: 12px;
		gap: 6px;
	}
	.station-archive-marks .mark-top-right .mark-station-meta {
		font-size: 7.5px;
	}
	.station-archive-marks .archive-post-stamp {
		width: 28px;
		height: 28px;
		font-size: 6.5px;
	}
	.station-archive-marks .mark-bottom-center {
		bottom: 8px;
		font-size: 8px;
		opacity: 0.45;
	}
	.mark-handwritten-note {
		display: none; /* 超窄屏下避免盖住人物手臂 */
	}
	/* 移动端保留发光轨道与站点圆点，仅隐藏文字以保持清爽 */
	.journey-route-layer {
		opacity: 0.45;
	}
	.route-station .station-label {
		display: none;
	}
	/* 移动端声音开关置于右下角 */
	.audio-control-wrap {
		bottom: 14px;
		right: 14px;
	}
	.audio-toggle-btn {
		padding: 5px 10px;
		font-size: 9px;
	}
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
	body.is-loading .bg-animated-layer,
	body.is-loading .station-archive-marks,
	body.is-loading .journey-route-layer,
	body.is-loading #bkground .my-information .avatar-wrapper,
	body.is-loading #bkground .my-information .signature-title,
	body.is-loading #bkground .my-information .eng-spec-plate,
	body.is-loading #bkground .my-information .poetry-intro,
	body.is-loading #bkground .my-information .chapter-index-nav,
	body.is-loading #bkground .my-information a.enter-btn {
		opacity: 1 !important;
		transform: none !important;
		filter: none !important;
	}
}