/* 欧易下载落地页 - 黑色高档版 (前缀: z453b9) */
* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

.z453b9body {
	font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
	font-size: 16px;
	line-height: 1.6;
	color: #e4e4e7;
	background: #0a0a0f;
	min-height: 100vh;
	overflow-x: hidden;
}

/* ========== 导航 ========== */
.z453b9header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	background: rgba(10, 10, 15, 0.85);
	backdrop-filter: blur(20px);
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.z453b9nav_inner {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 28px;
	height: 72px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.z453b9site_title {
	font-size: 1.4rem;
	font-weight: 700;
	color: #fafafa;
	letter-spacing: 0.04em;
}

.z453b9site_title::after {
	content: "";
	display: inline-block;
	width: 4px;
	height: 18px;
	background: linear-gradient(180deg, #c9a227 0%, #e8c547 100%);
	margin-left: 10px;
	vertical-align: middle;
	border-radius: 2px;
}

.z453b9nav_list {
	display: flex;
	list-style: none;
	gap: 4px;
}

.z453b9nav_link {
	display: block;
	padding: 12px 20px;
	color: #a1a1aa;
	text-decoration: none;
	font-weight: 500;
	border-radius: 8px;
	transition: color 0.2s, background 0.2s;
}

.z453b9nav_link:hover {
	color: #fafafa;
	background: rgba(255, 255, 255, 0.06);
}

.z453b9nav_toggle {
	display: none;
	width: 44px;
	height: 44px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: transparent;
	cursor: pointer;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 6px;
	padding: 8px;
	border-radius: 8px;
}

.z453b9nav_toggle_bar {
	display: block;
	width: 20px;
	height: 2px;
	background: #e4e4e7;
	border-radius: 1px;
	transition: transform 0.3s, opacity 0.3s;
}

.z453b9nav_toggle_active .z453b9nav_toggle_bar:nth-child(1) {
	transform: translateY(8px) rotate(45deg);
}

.z453b9nav_toggle_active .z453b9nav_toggle_bar:nth-child(2) {
	opacity: 0;
}

.z453b9nav_toggle_active .z453b9nav_toggle_bar:nth-child(3) {
	transform: translateY(-8px) rotate(-45deg);
}

/* 左侧 LOGO 区域 */
.z453b9header_logo {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	flex-shrink: 0;
	margin-right: 24px;
}

.z453b9header_logo_img {
	display: block;
	max-height: 40px;
	width: auto;
	max-width: 160px;
	object-fit: contain;
	vertical-align: middle;
}

/* ========== 主内容区 ========== */
.z453b9main {
	padding-top: 72px;
}

/* ========== 主横幅 ========== */
.z453b9banner {
	position: relative;
	min-height: 85vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 80px 28px 100px;
	overflow: hidden;
}

.z453b9banner_bg {
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse 100% 80% at 50% 0%, #16161d 0%, #0d0d12 45%, #0a0a0f 100%);
	z-index: 0;
}

.z453b9banner_bg::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse 60% 40% at 50% 20%, rgba(201, 162, 39, 0.08) 0%, transparent 55%);
	pointer-events: none;
}

.z453b9banner_bg::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 40%;
	background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 15, 0.95) 100%);
	pointer-events: none;
}

.z453b9banner_content {
	position: relative;
	z-index: 1;
	max-width: 760px;
	text-align: left;
}

.z453b9banner_title {
	font-size: clamp(1.85rem, 4.5vw, 2.75rem);
	font-weight: 700;
	color: #fafafa;
	margin-bottom: 20px;
	letter-spacing: 0.02em;
	line-height: 1.25;
}

.z453b9banner_title .z453b9highlight {
	color: #c9a227;
	font-weight: 800;
}

.z453b9banner_desc {
	font-size: clamp(0.95rem, 2vw, 1.1rem);
	color: #a1a1aa;
	margin-bottom: 36px;
	line-height: 1.75;
	max-width: 580px;
	margin-left: auto;
	margin-right: auto;
}

.z453b9banner_btns {
	display: flex;
	justify-content: flex-start;
	gap: 20px;
	flex-wrap: wrap;
}

.z453b9banner_inner {
	position: relative;
	z-index: 1;
	max-width: 1160px;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 40px;
}

.z453b9banner_mockup {
	flex: 0 0 320px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.z453b9banner_mockup_inner {
	width: 100%;
	max-width: 340px;
	border-radius: 20px;
	background: radial-gradient(circle at 0 0, rgba(201, 162, 39, 0.2) 0%, transparent 55%), rgba(15, 23, 42, 0.9);
	box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
	padding: 12px 14px;
	border: 1px solid rgba(148, 163, 184, 0.35);
}

.z453b9banner_mockup_img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 16px;
	object-fit: cover;
}

.z453b9btn {
	display: inline-block;
	padding: 16px 36px;
	border-radius: 10px;
	font-weight: 600;
	text-decoration: none;
	transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
	letter-spacing: 0.03em;
}

.z453b9btn_primary {
	background: linear-gradient(135deg, #c9a227 0%, #d4af37 50%, #e8c547 100%);
	color: #0a0a0f;
	box-shadow: 0 4px 24px rgba(201, 162, 39, 0.35);
}

.z453b9btn_primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 32px rgba(201, 162, 39, 0.4);
}

.z453b9btn_secondary {
	background: transparent;
	color: #fafafa;
	border: 2px solid rgba(255, 255, 255, 0.5);
}

.z453b9btn_secondary:hover {
	background: rgba(255, 255, 255, 0.1);
	border-color: rgba(255, 255, 255, 0.8);
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* 横幅三按钮：颜色区分、高级感 */
.z453b9btn_register {
	background: linear-gradient(135deg, #c9a227 0%, #d4af37 45%, #b8860b 100%);
	color: #0a0a0f;
	border: 1px solid rgba(232, 197, 71, 0.4);
	box-shadow: 0 4px 20px rgba(201, 162, 39, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.z453b9btn_register:hover {
	transform: translateY(-2px);
	background: linear-gradient(135deg, #d4af37 0%, #e8c547 45%, #c9a227 100%);
	box-shadow: 0 8px 28px rgba(201, 162, 39, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.z453b9btn_android {
	background: linear-gradient(135deg, #047857 0%, #059669 50%, #10b981 100%);
	color: #fff;
	border: 1px solid rgba(16, 185, 129, 0.5);
	box-shadow: 0 4px 20px rgba(4, 120, 87, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.z453b9btn_android:hover {
	transform: translateY(-2px);
	background: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
	box-shadow: 0 8px 28px rgba(5, 150, 105, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.z453b9btn_apple {
	background: linear-gradient(135deg, #475569 0%, #64748b 50%, #94a3b8 100%);
	color: #fff;
	border: 1px solid rgba(148, 163, 184, 0.4);
	box-shadow: 0 4px 20px rgba(71, 85, 105, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.z453b9btn_apple:hover {
	transform: translateY(-2px);
	background: linear-gradient(135deg, #64748b 0%, #94a3b8 50%, #cbd5e1 100%);
	box-shadow: 0 8px 28px rgba(100, 116, 139, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.z453b9btn_lg {
	padding: 18px 44px;
	font-size: 1.05rem;
}

/* 横幅装饰 */
.z453b9banner_deco {
	position: absolute;
	z-index: 0;
	border: 1px solid rgba(255, 255, 255, 0.04);
	pointer-events: none;
}

.z453b9banner_deco_1 {
	width: 320px;
	height: 320px;
	top: -100px;
	right: -80px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(201, 162, 39, 0.04) 0%, transparent 70%);
}

.z453b9banner_deco_2 {
	width: 200px;
	height: 200px;
	bottom: 15%;
	left: 8%;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(255, 255, 255, 0.02) 0%, transparent 70%);
}

.z453b9banner_deco_3 {
	width: 120px;
	height: 120px;
	top: 25%;
	left: 12%;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(201, 162, 39, 0.03) 0%, transparent 70%);
}

/* ========== 通用容器与区块标题 ========== */
.z453b9container {
	max-width: 1160px;
	margin: 0 auto;
	padding: 0 28px;
}

.z453b9section_title {
	font-size: clamp(1.5rem, 3vw, 1.9rem);
	font-weight: 700;
	color: #fafafa;
	text-align: center;
	margin-bottom: 14px;
	letter-spacing: 0.02em;
}

.z453b9section_title .z453b9highlight {
	color: #c9a227;
}

.z453b9section_desc {
	text-align: center;
	color: #71717a;
	max-width: 600px;
	margin: 0 auto 48px;
	font-size: 1rem;
	line-height: 1.7;
}

/* ========== 简介区 ========== */
.z453b9intro {
	padding: 72px 0 64px;
	background: #0d0d12;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.z453b9intro .z453b9container {
	display: grid;
	grid-template-columns: 1fr;
	gap: 24px;
	text-align: center;
}

.z453b9intro_text {
	max-width: 720px;
	margin: 0 auto;
	text-align: left;
}

.z453b9intro_p {
	color: #a1a1aa;
	font-size: 1rem;
	line-height: 1.8;
	margin-bottom: 14px;
}

.z453b9intro_p:last-child {
	margin-bottom: 0;
}

.z453b9intro_p strong {
	color: #e4e4e7;
	font-weight: 600;
}

.z453b9link_placeholder {
	color: #60a5fa;
	text-decoration: underline;
	text-underline-offset: 2px;
}

.z453b9link_placeholder:hover {
	color: #93c5fd;
}

/* ========== 平台介绍 ========== */
.z453b9about {
	padding: 72px 0 80px;
	background: #0a0a0f;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.z453b9about .z453b9section_title {
	margin-bottom: 48px;
}

.z453b9about_grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 32px;
}

.z453b9about_block {
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid rgba(255, 255, 255, 0.06);
	border-radius: 16px;
	padding: 32px 28px;
	transition: border-color 0.25s;
}

.z453b9about_block:hover {
	border-color: rgba(201, 162, 39, 0.2);
}

.z453b9about_subtitle {
	font-size: 1.15rem;
	font-weight: 700;
	color: #fafafa;
	margin-bottom: 14px;
	letter-spacing: 0.01em;
}

.z453b9about_text {
	font-size: 0.95rem;
	color: #71717a;
	line-height: 1.75;
}

/* ========== 下载步骤 ========== */
.z453b9steps {
	padding: 72px 0 80px;
	background: #0d0d12;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.z453b9steps .z453b9section_desc {
	margin-bottom: 48px;
}

.z453b9steps_list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 28px;
}

.z453b9step_item {
	position: relative;
	background: rgba(255, 255, 255, 0.02);
	border: 1px solid rgba(255, 255, 255, 0.06);
	border-radius: 16px;
	padding: 32px 28px 32px 72px;
	transition: border-color 0.25s;
}

.z453b9step_item:hover {
	border-color: rgba(201, 162, 39, 0.2);
}

.z453b9step_num {
	position: absolute;
	left: 28px;
	top: 32px;
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, rgba(201, 162, 39, 0.25) 0%, rgba(201, 162, 39, 0.1) 100%);
	border: 1px solid rgba(201, 162, 39, 0.25);
	border-radius: 10px;
	font-size: 1.1rem;
	font-weight: 700;
	color: #c9a227;
}

.z453b9step_title {
	font-size: 1.1rem;
	font-weight: 700;
	color: #fafafa;
	margin-bottom: 10px;
}

.z453b9step_text {
	font-size: 0.95rem;
	color: #71717a;
	line-height: 1.65;
}

/* ========== 下载卡片区 ========== */
.z453b9download {
	padding: 72px 0 80px;
	background: #0a0a0f;
}

/* 下载方式板块：框架结构 */
.z453b9download_frame {
	max-width: 720px;
	margin: 0 auto;
	border: 1px solid rgba(201, 162, 39, 0.2);
	border-radius: 20px;
	background: rgba(255, 255, 255, 0.02);
	box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.03);
	overflow: hidden;
}

.z453b9download_frame_head {
	padding: 28px 32px 24px;
	text-align: center;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	background: linear-gradient(180deg, rgba(201, 162, 39, 0.06) 0%, transparent 100%);
}

.z453b9download_frame_title {
	font-size: clamp(1.35rem, 2.5vw, 1.6rem);
	font-weight: 700;
	color: #fafafa;
	margin: 0 0 8px 0;
	letter-spacing: 0.02em;
}

.z453b9download_frame_desc {
	font-size: 0.9rem;
	color: #71717a;
	margin: 0;
	line-height: 1.5;
}

.z453b9download_frame_body {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0;
	padding: 0;
}

.z453b9download_card {
	border-right: 1px solid rgba(255, 255, 255, 0.06);
	transition: background 0.25s;
}

.z453b9download_card:last-child {
	border-right: none;
}

.z453b9download_card:hover {
	background: rgba(255, 255, 255, 0.03);
}

.z453b9download_card_inner {
	padding: 36px 28px 40px;
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
}

.z453b9download_card_icon {
	width: 64px;
	height: 64px;
	border-radius: 16px;
	margin-bottom: 20px;
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 12px;
}

.z453b9download_card_icon_svg {
	width: 100%;
	height: 100%;
	display: block;
	object-fit: contain;
}

.z453b9download_card_icon_android {
	background: linear-gradient(135deg, rgba(5, 150, 105, 0.35) 0%, rgba(16, 185, 129, 0.2) 100%);
	border: 1px solid rgba(16, 185, 129, 0.3);
	color: rgba(255, 255, 255, 0.95);
}

.z453b9download_card_icon_ios {
	background: linear-gradient(135deg, rgba(100, 116, 139, 0.35) 0%, rgba(148, 163, 184, 0.2) 100%);
	border: 1px solid rgba(148, 163, 184, 0.3);
	color: rgba(255, 255, 255, 0.95);
}

.z453b9download_card_icon_pc {
	background: linear-gradient(135deg, rgba(59, 130, 246, 0.35) 0%, rgba(37, 99, 235, 0.2) 100%);
	border: 1px solid rgba(59, 130, 246, 0.3);
	color: rgba(255, 255, 255, 0.95);
}

.z453b9download_card_title {
	font-size: 1.2rem;
	font-weight: 700;
	color: #fafafa;
	margin: 0 0 12px 0;
	letter-spacing: 0.01em;
}

.z453b9download_card_text {
	font-size: 0.95rem;
	color: #71717a;
	line-height: 1.65;
	margin: 0 0 20px 0;
	flex: 1;
}

.z453b9download_card_btn {
	display: inline-block;
	padding: 12px 28px;
	border-radius: 10px;
	font-size: 0.95rem;
	font-weight: 600;
	text-decoration: none;
	text-align: center;
	transition: transform 0.2s, box-shadow 0.2s;
	letter-spacing: 0.03em;
	width: 100%;
	max-width: 180px;
}

.z453b9download_card_btn_android {
	background: linear-gradient(135deg, #047857 0%, #059669 50%, #10b981 100%);
	color: #fff;
	border: 1px solid rgba(16, 185, 129, 0.4);
	box-shadow: 0 4px 16px rgba(4, 120, 87, 0.3);
}

.z453b9download_card_btn_android:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 24px rgba(5, 150, 105, 0.4);
}

.z453b9download_card_btn_ios {
	background: linear-gradient(135deg, #475569 0%, #64748b 50%, #94a3b8 100%);
	color: #fff;
	border: 1px solid rgba(148, 163, 184, 0.4);
	box-shadow: 0 4px 16px rgba(71, 85, 105, 0.3);
}

.z453b9download_card_btn_ios:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 24px rgba(100, 116, 139, 0.4);
}

.z453b9download_card_btn_pc {
	background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
	color: #fff;
	border: 1px solid rgba(37, 99, 235, 0.5);
	box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

.z453b9download_card_btn_pc:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 24px rgba(37, 99, 235, 0.55);
}

.z453b9card_grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

.z453b9card {
	background: rgba(255, 255, 255, 0.03);
	border-radius: 16px;
	padding: 32px 28px;
	border: 1px solid rgba(255, 255, 255, 0.06);
	transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.z453b9card:hover {
	transform: translateY(-4px);
	border-color: rgba(201, 162, 39, 0.2);
	box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.z453b9card_highlight {
	border-color: rgba(201, 162, 39, 0.25);
	background: linear-gradient(165deg, rgba(201, 162, 39, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.z453b9card_highlight:hover {
	border-color: rgba(201, 162, 39, 0.4);
	box-shadow: 0 20px 48px rgba(201, 162, 39, 0.12);
}

.z453b9card_icon {
	width: 56px;
	height: 56px;
	border-radius: 14px;
	margin-bottom: 20px;
	background: linear-gradient(135deg, rgba(201, 162, 39, 0.25) 0%, rgba(201, 162, 39, 0.1) 100%);
	border: 1px solid rgba(201, 162, 39, 0.2);
}

.z453b9card_title {
	font-size: 1.15rem;
	font-weight: 700;
	color: #fafafa;
	margin-bottom: 10px;
	letter-spacing: 0.01em;
}

.z453b9card_text {
	font-size: 0.95rem;
	color: #71717a;
	line-height: 1.6;
}

/* ========== 特色区 ========== */
.z453b9features {
	position: relative;
	padding: 72px 0 80px;
	background: #0d0d12;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
	overflow: hidden;
}

.z453b9features_frame {
	max-width: 1000px;
	margin: 0 auto;
	border-radius: 20px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(15, 23, 42, 0.85) 100%);
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.03);
	position: relative;
	z-index: 1;
	overflow: hidden;
}

.z453b9features_frame_head {
	padding: 26px 32px 20px;
	text-align: center;
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
	background: linear-gradient(180deg, rgba(201, 162, 39, 0.06) 0%, transparent 100%);
}

.z453b9features_frame_title {
	font-size: clamp(1.4rem, 2.6vw, 1.7rem);
	font-weight: 700;
	color: #fafafa;
	margin: 0 0 8px 0;
	letter-spacing: 0.02em;
}

.z453b9features_frame_desc {
	font-size: 0.9rem;
	color: #9ca3af;
	margin: 0;
	line-height: 1.6;
	max-width: 640px;
	margin-left: auto;
	margin-right: auto;
}

.z453b9features_frame_body {
	padding: 28px 32px 32px;
}

.z453b9features_deco {
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 600px;
	height: 300px;
	background: radial-gradient(ellipse 80% 100% at 50% 0%, rgba(201, 162, 39, 0.04) 0%, transparent 70%);
	pointer-events: none;
}

.z453b9feature_list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

.z453b9feature_item_center {
	grid-column: 2;
}

.z453b9feature_item {
	background: rgba(255, 255, 255, 0.02);
	border-radius: 16px;
	padding: 36px 32px;
	border: 1px solid rgba(255, 255, 255, 0.06);
	position: relative;
	transition: border-color 0.25s, box-shadow 0.25s;
}

.z453b9feature_item:hover {
	border-color: rgba(201, 162, 39, 0.2);
	box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.z453b9feature_num {
	display: inline-block;
	font-size: 2.25rem;
	font-weight: 800;
	color: rgba(201, 162, 39, 0.25);
	line-height: 1;
	margin-bottom: 14px;
	font-variant-numeric: tabular-nums;
}

.z453b9feature_title {
	font-size: 1.2rem;
	font-weight: 700;
	color: #fafafa;
	margin-bottom: 10px;
}

.z453b9feature_text {
	font-size: 0.95rem;
	color: #71717a;
	line-height: 1.6;
}

/* ========== CTA 区 ========== */
/* ========== 数据亮点 ========== */
.z453b9stats {
	padding: 56px 0 64px;
	background: #0a0a0f;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.z453b9stats_grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 28px;
}

.z453b9stat_item {
	text-align: center;
	padding: 28px 24px;
	background: rgba(255, 255, 255, 0.02);
	border: 1px solid rgba(255, 255, 255, 0.06);
	border-radius: 16px;
	transition: border-color 0.25s;
}

.z453b9stat_item:hover {
	border-color: rgba(201, 162, 39, 0.2);
}

.z453b9stat_value {
	display: block;
	font-size: 1.5rem;
	font-weight: 700;
	color: #c9a227;
	margin-bottom: 10px;
	letter-spacing: 0.05em;
}

.z453b9stat_label {
	font-size: 0.9rem;
	color: #71717a;
	line-height: 1.6;
}

/* ========== 常见问题 ========== */
.z453b9faq {
	padding: 72px 0 80px;
	background: #0d0d12;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.z453b9faq_frame {
	max-width: 820px;
	margin: 0 auto;
	border-radius: 20px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: rgba(255, 255, 255, 0.02);
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.02);
	overflow: hidden;
}

.z453b9faq_frame_head {
	padding: 26px 32px 20px;
	text-align: center;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	background: linear-gradient(180deg, rgba(201, 162, 39, 0.06) 0%, transparent 100%);
}

.z453b9faq_frame_title {
	font-size: clamp(1.4rem, 2.6vw, 1.7rem);
	font-weight: 700;
	color: #fafafa;
	margin: 0 0 8px 0;
	letter-spacing: 0.02em;
}

.z453b9faq_frame_desc {
	font-size: 0.9rem;
	color: #71717a;
	margin: 0;
	line-height: 1.6;
}

.z453b9faq_frame_body {
	padding: 24px 28px 26px;
}

.z453b9faq_list {
	max-width: 100%;
	margin: 0;
}

.z453b9faq_item {
	margin-bottom: 18px;
	padding: 18px 0;
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.z453b9faq_item:last-child {
	margin-bottom: 0;
	border-bottom: none;
}

.z453b9faq_q {
	font-size: 1.05rem;
	font-weight: 700;
	color: #fafafa;
	margin-bottom: 0;
	line-height: 1.5;
}

.z453b9faq_a {
	font-size: 0.95rem;
	color: #71717a;
	line-height: 1.7;
	margin: 8px 0 0 0;
	display: none;
}

.z453b9faq_item_open .z453b9faq_a {
	display: block;
}

.z453b9faq_toggle {
	width: 100%;
	padding: 0;
	margin: 0;
	border: none;
	background: transparent;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	color: inherit;
	font: inherit;
	text-align: left;
	cursor: pointer;
}

.z453b9faq_toggle_icon {
	flex-shrink: 0;
	width: 22px;
	height: 22px;
	border-radius: 999px;
	border: 1px solid rgba(201, 162, 39, 0.6);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 0.85rem;
	color: #c9a227;
}

.z453b9faq_item_open .z453b9faq_toggle_icon {
	background: rgba(201, 162, 39, 0.12);
}

.z453b9faq_toggle_text {
	flex: 1;
}

/* ========== CTA 区 ========== */
.z453b9cta {
	padding: 72px 28px 80px;
	background: linear-gradient(180deg, #0a0a0f 0%, #0f0f16 50%, #0a0a0f 100%);
	text-align: center;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.z453b9cta_title {
	font-size: clamp(1.4rem, 3vw, 1.85rem);
	font-weight: 700;
	color: #fafafa;
	margin-bottom: 14px;
	letter-spacing: 0.02em;
}

.z453b9cta_desc {
	color: #71717a;
	max-width: 560px;
	margin: 0 auto 32px;
	font-size: 1rem;
	line-height: 1.7;
}

.z453b9cta .z453b9btn_primary {
	background: linear-gradient(135deg, #c9a227 0%, #d4af37 50%, #e8c547 100%);
	color: #0a0a0f;
}

.z453b9btn_cta_secondary {
	background: transparent;
	color: #e5e7eb;
	border: 1px solid rgba(229, 231, 235, 0.7);
	box-shadow: 0 4px 18px rgba(15, 23, 42, 0.7);
}

.z453b9btn_cta_secondary:hover {
	background: rgba(15, 23, 42, 0.75);
	border-color: rgba(249, 250, 251, 0.9);
	box-shadow: 0 6px 24px rgba(15, 23, 42, 0.9);
	transform: translateY(-2px);
}

/* ========== 页脚 ========== */
.z453b9footer {
	background: #060608;
	color: #71717a;
	padding: 48px 28px 40px;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.z453b9footer_inner {
	max-width: 1160px;
	margin: 0 auto;
	text-align: center;
}

.z453b9footer_title {
	font-size: 1.1rem;
	font-weight: 600;
	color: #a1a1aa;
	margin-bottom: 14px;
}

.z453b9footer_keywords {
	font-size: 0.88rem;
	line-height: 1.9;
	margin-bottom: 18px;
	color: #52525b;
}

.z453b9footer_ad {
	margin: 20px 0;
	text-align: center;
}

.z453b9footer_copyright {
	font-size: 0.85rem;
	color: #3f3f46;
}

/* ========== 响应式：平板 ========== */
@media (max-width: 900px) {
	.z453b9about_grid {
		grid-template-columns: 1fr;
	}

	.z453b9steps_list {
		grid-template-columns: 1fr;
	}

	.z453b9step_item {
		padding-left: 72px;
	}

	.z453b9stats_grid {
		grid-template-columns: 1fr;
	}

	.z453b9banner_inner {
		flex-direction: column;
		align-items: center;
		text-align: center;
	}

	.z453b9banner_content {
		text-align: center;
	}

	.z453b9banner_btns {
		justify-content: center;
	}

	.z453b9download_frame_body {
		grid-template-columns: 1fr;
	}

	.z453b9download_card {
		border-right: none;
		border-bottom: 1px solid rgba(255, 255, 255, 0.06);
	}

	.z453b9download_card:last-child {
		border-bottom: none;
	}

	.z453b9card_grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.z453b9feature_list {
		grid-template-columns: 1fr;
	}

	.z453b9feature_item_center {
		grid-column: auto;
	}
}

/* ========== 响应式：小屏 ========== */
@media (max-width: 768px) {
	.z453b9nav_list {
		position: fixed;
		top: 72px;
		left: 0;
		right: 0;
		background: rgba(13, 13, 18, 0.98);
		backdrop-filter: blur(20px);
		flex-direction: column;
		padding: 24px;
		gap: 4px;
		border-bottom: 1px solid rgba(255, 255, 255, 0.06);
		transform: translateY(-120%);
		opacity: 0;
		visibility: hidden;
		transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
	}

	.z453b9nav_list.z453b9nav_list_open {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}

	.z453b9nav_toggle {
		display: flex;
	}

	.z453b9header_logo {
		margin-right: 16px;
	}

	.z453b9header_logo_img {
		max-height: 36px;
		max-width: 140px;
	}

	.z453b9banner {
		min-height: 75vh;
		padding: 60px 20px 80px;
	}

	.z453b9banner_mockup {
		flex: 0 0 auto;
		max-width: 360px;
		width: 100%;
	}

	.z453b9banner_deco_1 {
		width: 200px;
		height: 200px;
		top: -50px;
		right: -50px;
	}

	.z453b9download_frame_head {
		padding: 22px 24px 20px;
	}

	.z453b9download_frame_title {
		font-size: 1.25rem;
	}

	.z453b9download_card_inner {
		padding: 28px 24px 32px;
	}

	.z453b9card_grid {
		grid-template-columns: 1fr;
	}

	.z453b9step_item {
		padding: 28px 24px 28px 64px;
	}

	.z453b9step_num {
		left: 24px;
		top: 28px;
		width: 32px;
		height: 32px;
		font-size: 1rem;
	}

	.z453b9intro,
	.z453b9about,
	.z453b9download,
	.z453b9steps,
	.z453b9features,
	.z453b9stats,
	.z453b9faq {
		padding: 56px 0 64px;
	}

	.z453b9cta {
		padding: 56px 20px 64px;
	}

	.z453b9faq_item {
		padding: 20px 22px;
	}
}

/* ========== 响应式：手机 ========== */
@media (max-width: 480px) {
	.z453b9nav_inner {
		padding: 0 20px;
		height: 64px;
	}

	.z453b9main {
		padding-top: 64px;
	}

	.z453b9site_title {
		font-size: 1.2rem;
	}

	.z453b9site_title::after {
		height: 14px;
		margin-left: 8px;
	}

	.z453b9nav_list {
		top: 64px;
	}

	.z453b9header_logo_img {
		max-height: 32px;
		max-width: 120px;
	}

	.z453b9banner {
		min-height: 70vh;
		padding: 48px 16px 64px;
	}

	.z453b9banner_title {
		font-size: 1.6rem;
	}

	.z453b9container {
		padding: 0 20px;
	}

	.z453b9card {
		padding: 26px 22px;
	}

	.z453b9feature_item {
		padding: 28px 24px;
	}

	.z453b9footer {
		padding: 40px 20px 32px;
	}

	.z453b9about_block,
	.z453b9step_item {
		padding: 24px 20px;
	}

	.z453b9step_item {
		padding-left: 56px;
	}

	.z453b9step_num {
		left: 20px;
		top: 24px;
		width: 28px;
		height: 28px;
		font-size: 0.95rem;
	}

	.z453b9stat_item {
		padding: 22px 20px;
	}

	.z453b9stat_value {
		font-size: 1.25rem;
	}

	.z453b9faq_item {
		padding: 18px 20px;
	}

	.z453b9faq_q {
		font-size: 1rem;
	}

	.z453b9footer_keywords {
		font-size: 0.8rem;
	}
}