:root {
	--page-max: 750px;
	--shadow-soft: 0 15px 35px -12px rgba(229, 53, 19, .35);
	--shadow-card: 0 15px 35px -12px rgba(47, 124, 247, .35);
	--shadow-gray: 0 15px 35px -12px rgba(98, 103, 110, 0.25);
	--text: #1d232f;
	--muted: #7b8798;
	--line: rgba(20, 35, 60, 0.10);
	--fontblack: "NotoSansSC-Black"; /* 黑体 */
	--color-red: #e63713; /* 红色 */
	--color-blue: #307cf8; /* 蓝色 */
	--color-gray: #b8b8b8; /* 灰色 */
}

@font-face {
	font-family: "NotoSansSC-Black";
	src: url("../font/NotoSansSC-Black.ttf") format("truetype");
	font-style: normal;
	font-display: swap; /* 确保字体在加载前可用 */
}

* {
	box-sizing: border-box;
}

html,
body {
	height: 100%;
}

body {
	margin: 0;
	color: var(--text);
	font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
		Arial, sans-serif;
	background: #ffffff;
}

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

.page {
	width: 100%;
	max-width: var(--page-max);
	margin: 0 auto;
}

.stage {
	width: 100%;
	margin: 0 auto;
}

.stage img {
	width: 100%;
	height: auto;
}

.hero {
	text-align: center;
	margin: -60px auto 0;
}

.hero__icon {
	width: 32vw;
	margin: 0 auto;
}
.hero__icon img {
	width: 100%;
	height: auto;
}

.hero__title {
	font-family: var(--fontblack);
	font-size: 32px;
	margin: 20px 0 15px;
	color: #333333;
	line-height: 1;
}

.hero__sub {
	margin: 0 0 30px;
	color: var(--muted);
	font-size: 18px;
	font-weight: 300;
	line-height: 1;
}

.dl {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 25px;
	align-items: stretch;
	margin: 0 auto;
	padding: 0 30px;
}

.dl-card {
	border-radius: 12px;
	background: #ffffff;
	overflow: hidden;
	display: grid;
	grid-template-rows: auto 1fr;
}
.dl-card.dl-card--android {
	box-shadow: var(--shadow-soft);
}
.dl-card.dl-card--ios{
	box-shadow: var(--shadow-card);
}
.dl-card__top {
	color: #fff;
	font-weight: 900;
	font-size: 22px;
	letter-spacing: 1px;
	display: grid;
	gap: 2px;
}

.dl-card__top small {
	font-weight: 700;
	opacity: 0.92;
	letter-spacing: 0.3px;
	font-size: 12px;
}

.dl-card__body {
	display: grid;
	align-content: start;
	padding-bottom: 14px;
}

.dl-card__cta {
	display: inline-grid;
	place-items: center;
	height: 42px;
	border-radius: 12px;
	font-weight: 900;
	font-size: 18px;
	letter-spacing: 0.6px;
	font-weight: 500;
}

.dl-card__meta {
	color: var(--color-gray);
	font-size: 12px;
	line-height: 1.4;
	font-weight: 300;
}
.dl-card--android .dl-card__top img {
	width: 100%;
	height: auto;
}

.dl-card--android .dl-card__cta {
	color: var(--color-red);
}

.dl-card--ios .dl-card__top img {
	width: 100%;
	height: auto;
}

.dl-card--ios .dl-card__cta {
	color: var(--color-blue);
}

.dl-note {
	margin-top: 25px;
	color: rgba(95, 105, 120, 0.95);
	font-size: 16px;
	font-weight: 300;
}

.dl-note a {
	color: rgba(60, 75, 95, 0.92);
	border-bottom: 1px solid rgba(60, 75, 95, 0.28);
	padding-bottom: 1px;
}

.footer-arc {
	width: 100%;
	margin: 30px auto 0;
}
.footer-arc img {
	width: 100%;
	height: auto;
	display: block;
}

.footer-arc__ph {
	width: 78%;
	height: 62%;
	border-radius: 22px;
	border: 2px dashed rgba(255, 255, 255, 0.65);
	color: rgba(255, 255, 255, 0.95);
	font-weight: 900;
	font-size: 22px;
	letter-spacing: 1px;
	display: grid;
	place-items: center;
	user-select: none;
}
.dl-card--ewm{
	display: none;
}
.by__bg{
	display: none;
}
@media (max-width: 420px) {
	.hero__title {
		font-size: 26px;
	}
}

@media (min-width: 900px) {
	body{
		background: url(../images/back.jpg) top center no-repeat #f5f9ff;
		background-size: cover;
	}
	.dl{
		padding: 0 60px;
	}
	.page {
		padding: 0px 0 40px;
		position:fixed;
		top:45%;
		left:50%;
		transform:translate(-50%,-50%);
		background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0) 100%);
		border-radius: 30px;
	}
	.hero__icon {
	    width: 160px;
	}
	.stage{
		display: none;
	}
	.dl-card--ewm{
		display: block;
		box-shadow: var(--shadow-gray);
	}
	.dl-card--ewm .dl-card__top > img,
	.dl-card--ewm .qr-code-box,
	.dl-card--ewm .qr-code-box canvas{
		width: 90px;
		height: 90px;
		display: block;
		margin: 0 auto;
	}
	.dl-card--ewm .dl-card__top{
		padding:20px 20px 10px;
	}
	.qr-code-box{
		position: relative;
		display: flex;
		align-items: center;
		justify-content: center;
		line-height: 0;
		overflow: hidden;
	}
	.qr-code-box > canvas,
	.qr-code-box > img:not(.qr-code-logo){
		width: 100%;
		height: 100%;
	}
	.qr-code-logo{
		position: absolute;
		display: block;
		top: 50%;
		left: 50%;
		width: 20px;
		height: 20px;
		padding: 1px;
		transform: translate(-50%, -50%);
		background: #ffffff;
		border-radius: 5px;
		box-shadow: 0 0 0 1px #ffffff;
		object-fit: contain;
		z-index: 2;
		pointer-events: none;
	}
	.dl-card--ewm .dl-card__cta{
		color: var(--color-blue);
	}
	.dl{
		grid-template-columns: 1fr 1fr 1fr;
	}
	.dl-card__meta{
		font-size: 14px;
	}
	.footer-arc{
		display: none;
	}
	.by__bg{
		display: block;
		height: 72px;
        margin: 40px auto 0;
	}
	.by__bg img{
		width: auto;
		height: 100%;
		display: block;
		margin: 0 auto;
	}
	.dl-note{
		margin-top: 40px;
	}
}

/* detail */
.content {
    width: 90%;
    max-width: 760px;
    margin: 22px auto 88px auto;
    border-radius: 18px;
    background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0) 100%);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.contTitle {
    font-size: 22px;
    color: #101010;
    letter-spacing: 0.2px;
    text-align: center;
    font-weight: 800;
    padding: 8px 0 4px 0;
}

.content img {
    width: 100%;
}

.contword.step {
    margin-top: 14px;
    padding: 12px 0;
    color: rgba(0, 0, 0, 0.78);
    font-size: 15px;
    line-height: 1.5;
}

.contword.gotoTrustbtn {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(48, 124, 248, 0.08);
    border: 1px solid rgba(48, 124, 248, 0.18);
    color: rgba(0, 0, 0, 0.62);
    font-size: 13px;
    line-height: 1.65;
}

.contword.img_cont {
    margin: 14px auto 0 auto;
    text-align: center;
}

.contword.img_cont img {
    display: block;
    margin: 0 auto;
    border-radius: 12px;
    box-shadow: 0 14px 40px rgba(16, 30, 60, 0.14);
}

img.img_small {
    width: 68%;
    max-width: 420px;
}
.back-btn {
    position: fixed;
    left: 12px;
    top: 12px;
    top: calc(12px + env(safe-area-inset-top));
    width: 50px;
    height: 50px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 10px 22px rgba(16, 30, 60, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

.back-btn img {
    width: 24px;
    height: 24px;
    transform: rotate(180deg);
}

.back-btn:active {
    transform: scale(0.96);
}
@media screen and (min-width: 768px) {
    .content {
		width: 100%;
        padding: 30px;
        border-radius: 22px;
    }

    .contTitle {
        font-size: 26px;
    }
}