/* ========== 自定义样式 ========== */

:root {
	/* 品牌色 */
	--accent-color: #f7931a; /* Bitcoin 橙 */
	--accent-secondary: #627eea; /* Ethereum 蓝 */
	--danger-color: #ef4444;
	--success-color: #22c55e;
	--warning-color: #eab308;
}

/* 标题样式 */
.reveal h1,
.reveal h2,
.reveal h3 {
	text-transform: none;
	font-weight: 700;
}

.reveal h1 {
	font-size: 2.5em;
}

.reveal h2 {
	font-size: 1.8em;
	color: var(--accent-color);
}

/* 强调文本 */
.reveal strong {
	color: var(--accent-color);
}

/* 链接 */
.reveal a {
	color: var(--accent-secondary);
}

/* 列表样式 */
.reveal ul,
.reveal ol {
	text-align: left;
	margin-left: 1em;
}

.reveal li {
	margin-bottom: 0.5em;
	line-height: 1.4;
}

/* 表格样式 */
.reveal table {
	margin: 1em auto;
	border-collapse: collapse;
	font-size: 0.8em;
}

.reveal table th,
.reveal table td {
	padding: 0.5em 1em;
	border: 1px solid rgba(255, 255, 255, 0.2);
}

.reveal table th {
	background: rgba(255, 255, 255, 0.1);
	font-weight: 600;
}

/* 代码块 */
.reveal pre {
	font-size: 0.55em;
	box-shadow: none;
	border-radius: 8px;
}

.reveal code {
	font-family: "Fira Code", "JetBrains Mono", monospace;
}

/* ========== 自定义组件样式 ========== */

/* 危险提示 */
.danger {
	background: rgba(239, 68, 68, 0.2);
	border-left: 4px solid var(--danger-color);
	padding: 1em;
	border-radius: 0 8px 8px 0;
	text-align: left;
}

.danger strong {
	color: var(--danger-color);
}

/* 警告提示 */
.warning {
	background: rgba(234, 179, 8, 0.2);
	border-left: 4px solid var(--warning-color);
	padding: 1em;
	border-radius: 0 8px 8px 0;
	text-align: left;
}

.warning strong {
	color: var(--warning-color);
}

/* 成功/提示 */
.tip {
	background: rgba(34, 197, 94, 0.2);
	border-left: 4px solid var(--success-color);
	padding: 1em;
	border-radius: 0 8px 8px 0;
	text-align: left;
}

/* 信息框 */
.info {
	background: rgba(98, 126, 234, 0.2);
	border-left: 4px solid var(--accent-secondary);
	padding: 1em;
	border-radius: 0 8px 8px 0;
	text-align: left;
}

/* 大号文字 */
.big {
	font-size: 1.5em !important;
}

/* 居中内容 */
.centered {
	text-align: center;
}

/* 两栏布局 */
.two-columns {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2em;
	text-align: left;
}

/* 对比卡片 */
.comparison {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1em;
}

.comparison > div {
	background: rgba(255, 255, 255, 0.05);
	padding: 1em;
	border-radius: 8px;
}

/* 图标强调 */
.icon-text {
	display: flex;
	align-items: center;
	gap: 0.5em;
}

/* 进度指示 */
.progress-indicator {
	font-size: 0.6em;
	opacity: 0.6;
	margin-bottom: 1em;
}

/* 底部备注 */
.footnote {
	position: absolute;
	bottom: 2em;
	left: 0;
	right: 0;
	font-size: 0.5em;
	opacity: 0.6;
}


.reveal section img[src$=".svg"] {
	max-height: 130vh;
	margin: 0 auto;
	display: block;
	background: white;
	padding: 16px;
	border-radius: 8px;
}


.reveal section:has(img[src$=".svg"]) {
	top: -20px !important;
}

.reveal section:has(img[src$=".svg"]) h2 {
	margin-bottom: 0.2em;
}

/* ========== Fragment 动画效果 ========== */

/* 默认 fragment 过渡时间调整 */
.reveal .slides section .fragment {
	transition: all 0.4s ease-out;
}

/* 模糊聚焦效果 - 适合重点内容 */
.reveal .fragment.blur {
	filter: blur(5px);
	opacity: 0.3;
}
.reveal .fragment.blur.visible {
	filter: none;
	opacity: 1;
}

/* 缩放弹入效果 - 适合标题/重要元素 */
.reveal .fragment.zoom-in {
	transform: scale(0.5);
	opacity: 0;
}
.reveal .fragment.zoom-in.visible {
	transform: scale(1);
	opacity: 1;
	transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 从左滑入 - 适合列表项 */
.reveal .fragment.slide-in-left {
	transform: translateX(-30px);
	opacity: 0;
}
.reveal .fragment.slide-in-left.visible {
	transform: translateX(0);
	opacity: 1;
}

/* 从右滑入 */
.reveal .fragment.slide-in-right {
	transform: translateX(30px);
	opacity: 0;
}
.reveal .fragment.slide-in-right.visible {
	transform: translateX(0);
	opacity: 1;
}

/* 弹跳效果 - 适合数字/统计 */
.reveal .fragment.bounce-in {
	transform: scale(0);
	opacity: 0;
}
.reveal .fragment.bounce-in.visible {
	transform: scale(1);
	opacity: 1;
	transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* 聚焦当前项 - 非当前项半透明 */
.reveal .fragment.focus {
	opacity: 0.3;
	filter: blur(2px);
}
.reveal .fragment.focus.visible {
	opacity: 1;
	filter: none;
}
.reveal .fragment.focus.visible ~ .fragment.focus:not(.visible) {
	opacity: 0.3;
	filter: blur(2px);
}
.reveal .fragment.focus.current-fragment {
	opacity: 1;
	filter: none;
	transform: scale(1.02);
}

/* 打字机效果 - 适合要点列表 */
.reveal .fragment.typewriter {
	opacity: 0;
	transform: translateX(-15px);
}
.reveal .fragment.typewriter.visible {
	opacity: 1;
	transform: translateX(0);
	transition: all 0.3s ease-out;
}

/* 高亮出现 - 带背景色闪烁 */
.reveal .fragment.highlight-appear {
	opacity: 0;
}
.reveal .fragment.highlight-appear.visible {
	opacity: 1;
	animation: highlightFlash 0.6s ease-out;
}
@keyframes highlightFlash {
	0% {
		opacity: 0;
		background-color: rgba(247, 147, 26, 0.4);
	}
	50% {
		background-color: rgba(247, 147, 26, 0.2);
	}
	100% {
		opacity: 1;
		background-color: transparent;
	}
}

/* 翻转效果 - 适合卡片 */
.reveal .fragment.flip-in {
	transform: rotateX(-90deg);
	opacity: 0;
}
.reveal .fragment.flip-in.visible {
	transform: rotateX(0);
	opacity: 1;
	transition: all 0.5s ease-out;
}