/* =================================================================
   易翻译 · 落地页设计系统
   主色 #6366F1 / 辅助色 #1E293B / 点缀色 #22C55E
   字体 Inter + PingFang SC · 圆角 14px · 柔和阴影 · 模块化卡片
   ================================================================= */

:root {
	--yf-primary: #6366F1;
	--yf-secondary: #1E293B;
	--yf-accent: #22C55E;

	--yf-radius: 14px;
	--yf-radius-sm: 10px;
	--yf-radius-lg: 24px;
	--yf-radius-pill: 999px;

	--yf-bg: #ffffff;
	--yf-bg-soft: #F8FAFC;
	--yf-text: #1E293B;
	--yf-muted: #64748B;
	--yf-border: #E7EAF0;

	--yf-shadow-sm: 0 4px 14px rgba(30, 41, 59, 0.06);
	--yf-shadow: 0 14px 40px rgba(99, 102, 241, 0.12);
	--yf-shadow-lg: 0 30px 70px rgba(30, 41, 59, 0.14);

	--yf-font: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--yf-container: 1160px;
}

/* ---------- 基础 ---------- */
html {
	scroll-behavior: smooth;
	scroll-padding-top: 84px;
}

body {
	font-family: var(--yf-font);
	color: var(--yf-text);
	background: var(--yf-bg);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	line-height: 1.6;
}

a {
	color: inherit;
	text-decoration: none;
}

h1, h2, h3, h4 {
	color: var(--yf-secondary);
	line-height: 1.2;
	margin: 0;
}

img {
	max-width: 100%;
	height: auto;
}

.yf-container {
	width: 100%;
	max-width: var(--yf-container);
	margin: 0 auto;
	padding: 0 22px;
}

.yf-icon {
	display: inline-block;
	flex: none;
	vertical-align: middle;
}

/* ---------- 按钮 ---------- */
.yf-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	font-family: inherit;
	font-weight: 600;
	font-size: 15px;
	line-height: 1;
	border: 1.5px solid transparent;
	border-radius: var(--yf-radius);
	padding: 13px 22px;
	cursor: pointer;
	transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
	white-space: nowrap;
}
.yf-btn:focus-visible {
	outline: 3px solid color-mix(in srgb, var(--yf-primary) 40%, white);
	outline-offset: 2px;
}
.yf-btn-primary {
	background: var(--yf-primary);
	color: #fff;
	box-shadow: 0 10px 24px color-mix(in srgb, var(--yf-primary) 35%, transparent);
}
.yf-btn-primary:hover {
	background: color-mix(in srgb, var(--yf-primary) 86%, #000);
	transform: translateY(-2px);
	box-shadow: 0 16px 30px color-mix(in srgb, var(--yf-primary) 42%, transparent);
}
.yf-btn-ghost {
	background: #fff;
	color: var(--yf-secondary);
	border-color: var(--yf-border);
}
.yf-btn-ghost:hover {
	border-color: color-mix(in srgb, var(--yf-primary) 40%, var(--yf-border));
	color: var(--yf-primary);
	transform: translateY(-2px);
}
.yf-btn-sm {
	padding: 9px 16px;
	font-size: 14px;
}
.yf-btn-lg {
	padding: 15px 28px;
	font-size: 16px;
}
.yf-btn-block {
	width: 100%;
}

/* ---------- 头部导航 ---------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(255, 255, 255, 0.82);
	backdrop-filter: saturate(180%) blur(14px);
	-webkit-backdrop-filter: saturate(180%) blur(14px);
	border-bottom: 1px solid transparent;
	transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-header.is-scrolled {
	box-shadow: var(--yf-shadow-sm);
	border-bottom-color: var(--yf-border);
}
.yf-nav-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 68px;
}
.yf-brand-link {
	display: inline-flex;
	align-items: center;
	gap: 10px;
}
.yf-brand-link .custom-logo {
	height: 34px;
	width: auto;
}
.yf-brand-mark {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	border-radius: 11px;
	background: var(--yf-primary);
	color: #fff;
	box-shadow: 0 6px 16px color-mix(in srgb, var(--yf-primary) 40%, transparent);
}
.yf-brand-name {
	font-size: 19px;
	font-weight: 800;
	color: var(--yf-secondary);
	letter-spacing: 0.2px;
}
.main-navigation {
	width: auto;
	display: flex;
	align-items: center;
}
.yf-nav-menu {
	display: flex;
	align-items: center;
	gap: 30px;
	list-style: none;
	margin: 0;
	padding: 0;
}
.yf-nav-menu a {
	font-size: 15px;
	font-weight: 500;
	color: var(--yf-muted);
	transition: color 0.18s ease;
}
.yf-nav-menu a:hover {
	color: var(--yf-primary);
}
.yf-nav-cta {
	display: flex;
	align-items: center;
}
.menu-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 42px;
	height: 42px;
	border: 1px solid var(--yf-border);
	border-radius: var(--yf-radius-sm);
	background: #fff;
	color: var(--yf-secondary);
	cursor: pointer;
}
.yf-mobile-menu {
	display: flex;
	flex-direction: column;
	gap: 14px;
	padding: 16px 22px 24px;
	background: #fff;
	border-bottom: 1px solid var(--yf-border);
	box-shadow: var(--yf-shadow-sm);
}
.yf-mobile-menu[hidden] {
	display: none;
}
.yf-mobile-links {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.yf-mobile-links a {
	display: block;
	padding: 12px 6px;
	font-size: 16px;
	font-weight: 500;
	color: var(--yf-secondary);
	border-bottom: 1px solid var(--yf-bg-soft);
}

/* ---------- HERO ---------- */
.yf-hero {
	position: relative;
	padding: 28px 0 12px;
	overflow: hidden;
}
.yf-hero-bg {
	position: absolute;
	inset: 0;
	z-index: 0;
	pointer-events: none;
}
.yf-blob {
	position: absolute;
	border-radius: 50%;
	filter: blur(70px);
}
.yf-blob-1 {
	width: 440px;
	height: 440px;
	background: var(--yf-primary);
	opacity: 0.16;
	top: -140px;
	right: -90px;
}
.yf-blob-2 {
	width: 360px;
	height: 360px;
	background: var(--yf-accent);
	opacity: 0.12;
	bottom: -100px;
	left: -110px;
}
.yf-blob-3 {
	width: 280px;
	height: 280px;
	background: color-mix(in srgb, var(--yf-primary) 60%, #fff);
	opacity: 0.14;
	top: 38%;
	left: 42%;
}
.yf-hero-inner {
	position: relative;
	z-index: 2;
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 52px;
	align-items: center;
	padding: 36px 0 48px;
}
.yf-badge {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	background: color-mix(in srgb, var(--yf-primary) 12%, #fff);
	color: var(--yf-primary);
	font-size: 13px;
	font-weight: 600;
	padding: 7px 14px;
	border-radius: var(--yf-radius-pill);
	margin-bottom: 20px;
}
.yf-hero-title {
	font-size: clamp(34px, 5vw, 56px);
	font-weight: 800;
	letter-spacing: -0.5px;
	color: var(--yf-secondary);
	margin-bottom: 18px;
}
.yf-hero-sub {
	font-size: 17px;
	line-height: 1.7;
	color: var(--yf-muted);
	max-width: 520px;
	margin: 0 0 28px;
}
.yf-hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-bottom: 26px;
}
.yf-hero-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 18px;
	list-style: none;
	margin: 0;
	padding: 0;
}
.yf-hero-chips li {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-size: 14px;
	color: var(--yf-muted);
}
.yf-hero-chips .yf-icon {
	color: var(--yf-accent);
}

/* 聊天翻译窗口 */
.yf-hero-visual {
	position: relative;
	display: flex;
	justify-content: center;
}
.yf-chat {
	width: 100%;
	max-width: 390px;
	background: #fff;
	border: 1px solid var(--yf-border);
	border-radius: 20px;
	box-shadow: var(--yf-shadow-lg);
	overflow: hidden;
}
.yf-chat-head {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 14px 18px;
	border-bottom: 1px solid var(--yf-bg-soft);
	font-weight: 600;
	color: var(--yf-secondary);
}
.yf-chat-dot {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: var(--yf-accent);
	box-shadow: 0 0 0 4px color-mix(in srgb, var(--yf-accent) 22%, transparent);
}
.yf-chat-lang {
	margin-left: auto;
	font-size: 12px;
	font-weight: 600;
	color: var(--yf-primary);
	background: color-mix(in srgb, var(--yf-primary) 10%, #fff);
	padding: 4px 10px;
	border-radius: var(--yf-radius-pill);
}
.yf-chat-body {
	display: flex;
	flex-direction: column;
	gap: 12px;
	padding: 18px;
	background: var(--yf-bg-soft);
}
.yf-msg {
	display: flex;
	flex-direction: column;
	gap: 4px;
	max-width: 84%;
}
.yf-msg.out {
	align-self: flex-end;
	align-items: flex-end;
}
.yf-msg.in {
	align-self: flex-start;
	align-items: flex-start;
}
.yf-bubble {
	padding: 11px 14px;
	border-radius: 14px;
	font-size: 14.5px;
	line-height: 1.5;
	color: #fff;
	background: var(--yf-primary);
	border-bottom-right-radius: 4px;
}
.yf-msg.in .yf-bubble {
	background: #fff;
	color: var(--yf-secondary);
	border: 1px solid var(--yf-border);
	border-bottom-left-radius: 4px;
}
.yf-msg.in .yf-bubble.accent {
	background: color-mix(in srgb, var(--yf-accent) 14%, #fff);
	border-color: color-mix(in srgb, var(--yf-accent) 35%, #fff);
	color: color-mix(in srgb, var(--yf-accent) 65%, #064e3b);
}
.yf-lang {
	font-size: 11px;
	color: var(--yf-muted);
	padding: 0 4px;
}
.yf-chat-input {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 12px 14px;
	border-top: 1px solid var(--yf-bg-soft);
}
.yf-ic-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border-radius: 11px;
	border: none;
	background: color-mix(in srgb, var(--yf-primary) 10%, #fff);
	color: var(--yf-primary);
	cursor: pointer;
}
.yf-ic-send {
	background: var(--yf-primary);
	color: #fff;
}
.yf-fake-input {
	flex: 1;
	font-size: 13px;
	color: var(--yf-muted);
	background: var(--yf-bg-soft);
	border-radius: var(--yf-radius-pill);
	padding: 10px 14px;
}
.yf-float-chip {
	position: absolute;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: #fff;
	color: var(--yf-secondary);
	font-size: 13px;
	font-weight: 600;
	padding: 8px 13px;
	border-radius: var(--yf-radius-pill);
	box-shadow: var(--yf-shadow);
	border: 1px solid var(--yf-border);
	animation: yf-float 4s ease-in-out infinite;
}
.yf-float-chip .yf-icon {
	color: var(--yf-primary);
}
.yf-float-1 { top: 6%; left: -6%; animation-delay: 0s; }
.yf-float-2 { top: 46%; right: -8%; animation-delay: 0.8s; }
.yf-float-3 { bottom: 4%; left: 4%; animation-delay: 1.6s; }
@keyframes yf-float {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(-9px); }
}

/* 数据条 */
.yf-stats {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 18px;
	list-style: none;
	margin: 8px 0 0;
	padding: 22px;
	background: #fff;
	border: 1px solid var(--yf-border);
	border-radius: var(--yf-radius-lg);
	box-shadow: var(--yf-shadow-sm);
}
.yf-stats li {
	text-align: center;
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.yf-stats strong {
	font-size: clamp(22px, 3vw, 30px);
	font-weight: 800;
	color: var(--yf-primary);
}
.yf-stats span {
	font-size: 13px;
	color: var(--yf-muted);
}

/* ---------- 通用区块 ---------- */
.yf-section {
	padding: 84px 0;
	position: relative;
}
.yf-section-soft {
	background: var(--yf-bg-soft);
}
.yf-section-head {
	text-align: center;
	max-width: 700px;
	margin: 0 auto 52px;
}
.yf-eyebrow {
	display: inline-block;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 1.5px;
	text-transform: uppercase;
	color: var(--yf-primary);
	margin-bottom: 12px;
}
.yf-section-title {
	font-size: clamp(26px, 3.4vw, 38px);
	font-weight: 800;
	letter-spacing: -0.3px;
}
.yf-section-desc {
	font-size: 17px;
	line-height: 1.7;
	color: var(--yf-muted);
	margin: 16px 0 0;
}

/* ---------- 卡片通用 ---------- */
.yf-card {
	background: #fff;
	border: 1px solid var(--yf-border);
	border-radius: var(--yf-radius);
	padding: 28px;
	box-shadow: var(--yf-shadow-sm);
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.yf-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--yf-shadow);
	border-color: color-mix(in srgb, var(--yf-primary) 30%, var(--yf-border));
}
.yf-card-title {
	font-size: 19px;
	font-weight: 700;
	margin: 0 0 8px;
}
.yf-card-text {
	color: var(--yf-muted);
	line-height: 1.7;
	margin: 0;
	font-size: 15px;
}

/* 功能 */
.yf-feature-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
	gap: 22px;
}
.yf-feature-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 54px;
	height: 54px;
	border-radius: var(--yf-radius);
	background: color-mix(in srgb, var(--yf-primary) 12%, #fff);
	color: var(--yf-primary);
	margin-bottom: 18px;
}

/* 场景 */
.yf-scenario-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 22px;
}
.yf-scenario {
	position: relative;
	overflow: hidden;
}
.yf-scenario-index {
	position: absolute;
	top: 18px;
	right: 22px;
	font-size: 40px;
	font-weight: 800;
	line-height: 1;
	color: color-mix(in srgb, var(--yf-primary) 10%, #fff);
}
.yf-scenario-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 60px;
	height: 60px;
	border-radius: var(--yf-radius);
	background: color-mix(in srgb, var(--yf-accent) 14%, #fff);
	color: color-mix(in srgb, var(--yf-accent) 70%, #064e3b);
	margin-bottom: 18px;
}

/* 评价 */
.yf-review-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 22px;
}
.yf-review-top {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 12px;
}
.yf-avatar {
	width: 46px;
	height: 46px;
	border-radius: 50%;
	object-fit: cover;
	display: inline-flex;
	align-items: center;
	justify-content: center;
}
.yf-avatar-text {
	background: var(--yf-primary);
	color: #fff;
	font-weight: 700;
	font-size: 18px;
}
.yf-review-meta {
	display: flex;
	flex-direction: column;
}
.yf-review-meta strong {
	font-size: 15px;
	color: var(--yf-secondary);
}
.yf-review-meta span {
	font-size: 13px;
	color: var(--yf-muted);
}
.yf-stars {
	display: inline-flex;
	gap: 3px;
	margin-bottom: 12px;
}
.yf-star {
	color: #E2E8F0;
	display: inline-flex;
}
.yf-star.is-on {
	color: var(--yf-accent);
}
.yf-review-text {
	font-size: 14.5px;
	line-height: 1.75;
	color: #475569;
	margin: 0;
}

/* ---------- 下载引导 ---------- */
.yf-download-inner {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 48px;
	align-items: center;
	background: linear-gradient(135deg, var(--yf-primary), color-mix(in srgb, var(--yf-primary) 55%, var(--yf-secondary)));
	border-radius: var(--yf-radius-lg);
	padding: 56px;
	box-shadow: var(--yf-shadow);
}
.yf-download-title {
	color: #fff;
}
.yf-download .yf-section-desc {
	color: rgba(255, 255, 255, 0.85);
}
.yf-download-btns {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 26px;
}
.yf-store-btn {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	background: #fff;
	color: var(--yf-secondary);
	border-radius: var(--yf-radius);
	padding: 12px 20px;
	box-shadow: var(--yf-shadow-sm);
	transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.yf-store-btn:hover {
	transform: translateY(-3px);
	box-shadow: 0 18px 36px rgba(0, 0, 0, 0.22);
}
.yf-store-icon {
	color: var(--yf-primary);
	display: inline-flex;
}
.yf-store-text {
	display: flex;
	flex-direction: column;
	line-height: 1.15;
}
.yf-store-text small {
	font-size: 11px;
	color: var(--yf-muted);
}
.yf-store-text strong {
	font-size: 16px;
}
.yf-download-visual {
	display: flex;
	justify-content: center;
}
.yf-phone {
	position: relative;
	width: 248px;
	background: #0f172a;
	border-radius: 38px;
	padding: 12px;
	box-shadow: 0 30px 60px rgba(15, 23, 42, 0.4);
}
.yf-phone-notch {
	position: absolute;
	top: 12px;
	left: 50%;
	transform: translateX(-50%);
	width: 90px;
	height: 18px;
	background: #0f172a;
	border-radius: 0 0 14px 14px;
	z-index: 2;
}
.yf-phone-screen {
	background: #fff;
	border-radius: 28px;
	overflow: hidden;
	height: 460px;
	padding: 26px 16px 16px;
}
.yf-phone-app {
	display: flex;
	flex-direction: column;
	gap: 10px;
	height: 100%;
}
.yf-phone-bar {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-weight: 700;
	color: var(--yf-secondary);
	font-size: 15px;
	padding-bottom: 10px;
	border-bottom: 1px solid var(--yf-bg-soft);
}
.yf-phone-bar .yf-icon {
	color: var(--yf-primary);
}
.yf-phone-bubble {
	align-self: flex-start;
	max-width: 80%;
	padding: 9px 12px;
	border-radius: 13px;
	font-size: 13px;
	line-height: 1.45;
	background: var(--yf-bg-soft);
	color: var(--yf-secondary);
}
.yf-phone-bubble.out {
	align-self: flex-end;
	background: var(--yf-primary);
	color: #fff;
}
.yf-phone-bubble.in {
	background: color-mix(in srgb, var(--yf-accent) 16%, #fff);
	color: color-mix(in srgb, var(--yf-accent) 70%, #064e3b);
}
.yf-phone-input {
	margin-top: auto;
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 9px 12px;
	background: var(--yf-bg-soft);
	border-radius: var(--yf-radius-pill);
	color: var(--yf-primary);
}
.yf-phone-input span {
	flex: 1;
	height: 8px;
	border-radius: 999px;
	background: color-mix(in srgb, var(--yf-primary) 18%, #fff);
}

/* ---------- 页脚 ---------- */
.site-footer {
	background: var(--yf-secondary);
	color: #cbd5e1;
	padding: 60px 0 26px;
}
.yf-footer-inner {
	display: grid;
	grid-template-columns: 1.5fr 2fr;
	gap: 48px;
}
.yf-footer-brand .yf-brand-mark {
	background: var(--yf-primary);
}
.yf-footer-brand .yf-brand-name {
	color: #fff;
}
.yf-footer-tagline {
	color: #94a3b8;
	font-size: 14px;
	line-height: 1.7;
	max-width: 320px;
	margin: 14px 0 18px;
}
.yf-social {
	display: flex;
	gap: 12px;
}
.yf-social-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: 11px;
	border: 1px solid rgba(255, 255, 255, 0.14);
	color: #cbd5e1;
	transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.yf-social-link:hover {
	background: var(--yf-primary);
	color: #fff;
	border-color: var(--yf-primary);
	transform: translateY(-2px);
}
.yf-footer-cols {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 28px;
}
.yf-footer-col h4 {
	color: #fff;
	font-size: 14px;
	font-weight: 700;
	margin-bottom: 14px;
}
.yf-footer-col ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.yf-footer-col a {
	color: #94a3b8;
	font-size: 14px;
	transition: color 0.18s ease;
}
.yf-footer-col a:hover {
	color: #fff;
}
.yf-footer-bottom {
	margin-top: 40px;
	padding-top: 22px;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	text-align: center;
}
.yf-copyright {
	color: #94a3b8;
	font-size: 13px;
	margin: 0;
}

/* ---------- 响应式（移动端优先） ---------- */
@media (max-width: 980px) {
	.yf-hero-inner {
		grid-template-columns: 1fr;
		gap: 40px;
		text-align: center;
	}
	.yf-hero-sub {
		margin-left: auto;
		margin-right: auto;
	}
	.yf-hero-actions,
	.yf-hero-chips {
		justify-content: center;
	}
	.yf-badge {
		margin-left: auto;
		margin-right: auto;
	}
	.yf-download-inner {
		grid-template-columns: 1fr;
		padding: 40px 28px;
		text-align: center;
	}
	.yf-download-btns {
		justify-content: center;
	}
	.yf-footer-inner {
		grid-template-columns: 1fr;
		gap: 36px;
	}
}

@media (max-width: 780px) {
	.yf-nav-menu {
		display: none;
	}
	.yf-nav-cta {
		display: none;
	}
	.menu-toggle {
		display: inline-flex;
	}
	.yf-stats {
		grid-template-columns: repeat(2, 1fr);
		gap: 14px;
	}
	.yf-section {
		padding: 60px 0;
	}
}

@media (max-width: 560px) {
	.yf-container {
		padding: 0 18px;
	}
	.yf-hero-title {
		font-size: 34px;
	}
	.yf-download-btns .yf-store-btn {
		width: 100%;
		justify-content: center;
	}
	.yf-footer-cols {
		grid-template-columns: 1fr 1fr;
	}
	.yf-card {
		padding: 22px;
	}
	.yf-float-chip {
		display: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.yf-float-chip {
		animation: none;
	}
	html {
		scroll-behavior: auto;
	}
}

/* ---------- 滚动渐入（仅在 JS 启用时生效） ---------- */
.yf-reveal-on .yf-reveal {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}
.yf-reveal-on .yf-reveal.is-in {
	opacity: 1;
	transform: none;
}
@media (prefers-reduced-motion: reduce) {
	.yf-reveal-on .yf-reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}
}