/* =========================
   About family — tech blue
   Scoped to .abu-about
   ========================= */

@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Orbitron:wght@500;700&display=swap");

.abu-about{
	--abu-blue: #1c7ff0;
	--abu-blue-deep: #0f63d8;
	--abu-cyan: #31b4ff;
	--abu-text: #123a6b;
	--abu-muted: #4f7aaa;
	--abu-line: rgba(40,130,220,.22);
	--abu-panel: rgba(255,255,255,.94);
	--abu-font: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
	--abu-display: "Orbitron","Noto Sans SC",sans-serif;

	margin: 0;
	min-height: 100vh;
	font-family: var(--abu-font);
	color: var(--abu-text);
	background:
		radial-gradient(120% 70% at 50% -10%, rgba(255,255,255,.5), transparent 55%),
		linear-gradient(165deg, #6ec7ff 0%, #2f8fff 42%, #1670e0 100%) !important;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

.abu-about a{
	color: var(--abu-blue);
	text-decoration: none;
	transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}
.abu-about a:hover{
	color: var(--abu-blue-deep);
}

.abu-about .clear,
.abu-about .clearfix,
.abu-about .clear15{
	clear: both;
	height: 0;
	overflow: hidden;
	font-size: 0;
	line-height: 0;
}

/* ---- Decorative background ---- */
.abu-deco-bg{
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: 0;
	overflow: hidden;
}
.abu-prism{
	position: absolute;
	background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(126,231,255,.12));
	border: 1px solid rgba(255,255,255,.28);
	clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
	opacity: .55;
	animation: abuFloat 16s ease-in-out infinite alternate;
}
.abu-prism--1{
	width: 280px;
	height: 160px;
	top: 12%;
	left: -40px;
}
.abu-prism--2{
	width: 220px;
	height: 120px;
	top: 48%;
	right: -30px;
	animation-delay: -4s;
}
.abu-prism--3{
	width: 180px;
	height: 100px;
	bottom: 10%;
	left: 18%;
	animation-delay: -8s;
}

@keyframes abuFloat{
	from{ transform: translateY(0) translateX(0); opacity: .45; }
	to{ transform: translateY(-18px) translateX(10px); opacity: .7; }
}

/* ---- Header ---- */
.abu-about .header{
	position: sticky;
	top: 0;
	z-index: 100;
	width: 100%;
	background: rgba(255,255,255,.16);
	border-bottom: 1px solid rgba(255,255,255,.28);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	box-shadow: 0 10px 30px rgba(8,60,140,.12);
	animation: abuFadeDown .55s ease-out;
}
.abu-about .inner{
	width: 100%;
	max-width: 1120px;
	margin: 0 auto;
	padding: 0 20px;
	height: 78px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	box-sizing: border-box;
	overflow: visible;
	border: none;
}
.abu-about .inner .logo{
	float: none;
	line-height: 1;
}
.abu-about .inner .logo a{
	display: inline-block;
}
.abu-about .inner .logo img{
	display: block;
	max-height: 48px;
	width: auto;
}
.abu-about .inner .nav{
	float: none;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: flex-end;
}
.abu-about .inner .nav a{
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 42px;
	padding: 0 18px;
	font-size: 16px;
	font-weight: 700;
	letter-spacing: .04em;
	color: #0b3f8c;
	text-shadow: none;
	background: rgba(255,255,255,.92);
	border: 1px solid rgba(255,255,255,.95);
	clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
	border-radius: 0;
	box-shadow: 0 6px 16px rgba(8,60,140,.16);
	backdrop-filter: none;
	position: relative;
	overflow: visible;
}
.abu-about .inner .nav a::before{
	display: none;
}
.abu-about .inner .nav a:hover{
	color: #06306c;
	background: #fff;
	transform: translateY(-1px);
	box-shadow: 0 10px 22px rgba(8,60,140,.22);
}
.abu-about .inner .nav a.current,
.blue .inner .nav a.current,
.green .inner .nav a.current,
.orange .inner .nav a.current,
.red .inner .nav a.current{
	color: #fff;
	font-weight: 700;
	background: linear-gradient(90deg, #31b4ff, #1c7ff0);
	border-color: transparent;
	box-shadow: 0 10px 24px rgba(15,99,216,.35);
}
.abu-head-accent{
	height: 3px;
	background: linear-gradient(90deg, transparent, rgba(255,255,255,.75), transparent);
}

/* ---- Page shell ---- */
.abu-page{
	position: relative;
	z-index: 1;
	width: 100%;
	max-width: 1120px;
	margin: 0 auto;
	padding: 28px 16px 48px;
	box-sizing: border-box;
	animation: abuFadeUp .55s ease-out;
}

.abu-hero{
	display: grid;
	grid-template-columns: 1.35fr .65fr;
	gap: 24px;
	align-items: center;
	margin: 0 0 24px;
	color: #fff;
}
.abu-hero__text{
	min-width: 0;
}
.abu-hero__kicker{
	display: inline-block;
	margin: 0 0 12px;
	font-family: var(--abu-display);
	font-size: 11px;
	letter-spacing: .28em;
	color: rgba(255,255,255,.88);
}
.abu-hero h1{
	margin: 0 0 12px;
	font-size: clamp(28px, 4.5vw, 40px);
	font-weight: 700;
	letter-spacing: .03em;
	color: #fff;
	text-shadow: 0 8px 24px rgba(8,60,140,.28);
	line-height: 1.25;
}
.abu-hero p{
	margin: 0;
	max-width: 640px;
	font-size: 14px;
	line-height: 1.7;
	color: rgba(255,255,255,.9);
}
.abu-hero__visual{
	position: relative;
	height: 120px;
}
.abu-stack{
	position: absolute;
	right: 0;
	height: 54px;
	background: linear-gradient(90deg, rgba(255,255,255,.28), rgba(255,255,255,.08));
	border: 1px solid rgba(255,255,255,.35);
	clip-path: polygon(14px 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}
.abu-stack--1{ width: 88%; top: 0; opacity: .95; }
.abu-stack--2{ width: 72%; top: 28px; opacity: .7; }
.abu-stack--3{ width: 56%; top: 56px; opacity: .45; }

/* ---- Shared panels ---- */
.abu-panel,
.abu-about .cinner,
.abu-about .announce,
.abu-about .faq,
.abu-about .friendlink,
.abu-about .sitemap{
	width: 100% !important;
	max-width: none;
	margin: 0 0 18px;
	padding: 22px 24px;
	background: var(--abu-panel);
	border: 1px solid rgba(255,255,255,.55);
	box-shadow: 0 18px 40px rgba(8,60,140,.16);
	clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
	box-sizing: border-box;
	backdrop-filter: none;
	border-radius: 0;
	overflow: hidden;
	animation: none;
}

.abu-about .cinner{
	display: grid;
	grid-template-columns: 240px 1fr;
	gap: 22px;
	min-height: 0;
	justify-content: stretch;
}
.abu-about .cinner.abu-layout--select{
	grid-template-columns: 1fr;
}

.abu-about-nav-panel{
	padding: 4px 2px 8px;
}
.abu-about-select-label{
	display: block;
	margin: 0 0 8px;
	font-size: 13px;
	font-weight: 700;
	color: var(--abu-text);
	letter-spacing: .04em;
}
.abu-about-select{
	width: 100%;
	max-width: 420px;
	height: 44px;
	padding: 0 14px;
	font-size: 14px;
	color: var(--abu-text);
	background: #fff;
	border: 1px solid var(--abu-line);
	clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
	outline: none;
	box-sizing: border-box;
}
.abu-about-select:focus{
	border-color: var(--abu-blue);
	box-shadow: 0 0 0 3px rgba(28,127,240,.15);
}
.abu-about-select-hint{
	margin: 10px 0 0;
	font-size: 12px;
	color: var(--abu-muted);
	line-height: 1.6;
}

.abu-about .rightcontent{
	width: auto !important;
	padding: 8px 4px 4px !important;
	text-align: left;
	font-size: 14px;
	line-height: 1.85;
	color: var(--abu-text);
}
.abu-about .rightcontent img{
	max-width: 100%;
	height: auto;
}
.abu-about .rightcontent p{
	margin: 0 0 12px;
}

/* legacy leftnav (if still used) */
.abu-about .leftnav{
	width: auto;
	margin: 0;
	padding: 0;
	border: 0;
	border-radius: 0;
	text-align: left;
	display: flex;
	flex-direction: column;
	gap: 8px;
}
.abu-about .leftnav a{
	display: block;
	margin: 0;
	padding: 12px 14px;
	font-size: 14px;
	font-weight: 500;
	color: var(--abu-text);
	background: rgba(28,127,240,.06);
	border: 1px solid var(--abu-line);
	clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
	border-radius: 0;
	backdrop-filter: none;
	overflow: visible;
	position: relative;
}
.abu-about .leftnav a::before{ display: none; }
.abu-about .leftnav a:hover,
.abu-about .leftnav a.current{
	color: #fff;
	background: linear-gradient(90deg, var(--abu-cyan), var(--abu-blue));
	border-color: transparent;
	transform: none;
}

/* ---- Announce ---- */
.abu-about .announce .title{
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 8px 16px;
	margin: 0 0 12px;
	padding: 12px 14px;
	min-height: 0;
	height: auto;
	line-height: 1.45;
	text-indent: 0;
	background: rgba(28,127,240,.06);
	border: 1px solid var(--abu-line);
	clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.abu-about .announce .title .l{
	float: none;
	width: auto;
	max-width: 100%;
	font-family: var(--abu-font);
	font-size: 17px;
	font-weight: 700;
	color: var(--abu-text);
}
.abu-about .announce .title .r{
	float: none;
	margin: 0;
	font-size: 12px !important;
	color: var(--abu-muted);
	font-weight: 400;
}
.abu-about .announce .announcecontent{
	margin: 0 0 22px;
	padding: 16px 14px;
	font-size: 14px;
	line-height: 1.8;
	color: var(--abu-text);
	background: #fff;
	border: 1px solid rgba(40,130,220,.12);
}

/* ---- FAQ ---- */
.abu-about dl.qlist{
	margin: 0 0 14px;
	padding: 14px 12px 16px;
	border: 1px solid var(--abu-line);
	border-bottom: 1px solid var(--abu-line);
	background: rgba(28,127,240,.04);
	clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
	line-height: 1.6;
}
.abu-about dl.qlist.y{
	background: rgba(28,127,240,.04);
	border-color: var(--abu-line);
	margin-top: 0;
}
.abu-about dl.qlist dt{
	float: none;
	position: relative;
	width: auto;
	padding: 0 0 0 14px;
	margin: 0 0 10px;
	font-size: 15px;
	font-weight: 700;
	color: var(--abu-text);
}
.abu-about dl.qlist dt i{
	position: absolute;
	left: 0;
	top: 5px;
	width: 6px;
	height: 14px;
	display: inline-block;
	background: linear-gradient(180deg, var(--abu-cyan), var(--abu-blue));
}
.abu-about dl.qlist dt i.b-1,
.abu-about dl.qlist dt i.b-2,
.abu-about dl.qlist dt i.b-3,
.abu-about dl.qlist dt i.b-4,
.abu-about dl.qlist dt i.b-5,
.abu-about dl.qlist dt i.b-6,
.abu-about dl.qlist dt i.b-7,
.abu-about dl.qlist dt i.b-8,
.abu-about dl.qlist dt i.b-9{
	background: linear-gradient(180deg, var(--abu-cyan), var(--abu-blue));
}
.abu-about dl.qlist dd{
	float: none;
	width: auto;
	font-size: 14px;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}
.abu-about dl.qlist dd a{
	float: none;
	display: inline-flex;
	align-items: center;
	width: auto;
	min-height: 34px;
	padding: 0 12px;
	color: var(--abu-text);
	background: #fff;
	border: 1px solid var(--abu-line);
	clip-path: polygon(7px 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
}
.abu-about dl.qlist dd a:hover,
.abu-about dl.qlist dd a.current{
	color: #fff;
	font-weight: 700;
	text-decoration: none;
	background: linear-gradient(90deg, var(--abu-cyan), var(--abu-blue));
	border-color: transparent;
}
.abu-about .faqcontent{
	margin-top: 8px;
	padding: 18px 16px;
	font-size: 14px;
	line-height: 1.8;
	background: #fff;
	border: 1px solid rgba(40,130,220,.12);
	border-radius: 0;
	overflow: visible;
	height: auto;
}
.abu-about .faqcontent h1{
	margin: 0 0 12px;
	padding: 0 0 10px;
	font-size: 20px;
	font-weight: 700;
	color: var(--abu-text);
	border-bottom: 1px solid var(--abu-line);
}

/* ---- Friendlink ---- */
.abu-about .friendlink .links{
	overflow: visible;
	padding: 0;
	text-align: left;
}
.abu-about .friendlink .links .link{
	margin: 0 0 18px;
}
.abu-about .friendlink .links .tit{
	height: auto;
	margin: 0 0 12px;
	padding: 10px 14px;
	font-family: var(--abu-font);
	font-size: 16px;
	font-weight: 700;
	line-height: 1.4;
	text-indent: 0;
	color: var(--abu-text);
	background: rgba(28,127,240,.06);
	border: 1px solid var(--abu-line);
	clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.abu-about .friendlink .links .link .imgcont{
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 0 0 10px;
}
.abu-about .friendlink .links .link .imgcont a{
	float: none;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin: 0;
	width: auto;
	min-width: 110px;
	padding: 8px;
	background: #fff;
	border: 1px solid var(--abu-line);
}
.abu-about .friendlink .links .link .imgcont img{
	width: 88px;
	height: 31px;
	object-fit: contain;
}
.abu-about .friendlink .links .link .cont{
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 4px;
}
.abu-about .friendlink .links .link .cont a{
	float: none;
	display: inline-flex;
	align-items: center;
	width: auto;
	min-width: 0;
	height: auto;
	min-height: 32px;
	margin: 0;
	padding: 0 12px;
	font-size: 13px;
	line-height: 1.4;
	color: var(--abu-text);
	background: #fff;
	border: 1px solid var(--abu-line);
	clip-path: polygon(7px 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
	overflow: hidden;
}
.abu-about .friendlink .links .link .cont a:hover{
	color: #fff;
	background: linear-gradient(90deg, var(--abu-cyan), var(--abu-blue));
	border-color: transparent;
}
.abu-about .friendlink .links .cont,
.abu-about .links .contt{
	font-size: 13px;
	line-height: 1.8;
	color: var(--abu-text);
}
.abu-about .friendlink .links .contt{
	padding: 4px 2px 8px;
}
.abu-about .link_table{
	width: 100%;
	max-width: 640px;
	border-collapse: collapse;
}
.abu-about .link_table td{
	padding: 8px 0;
	vertical-align: middle;
	font-size: 14px;
	color: var(--abu-text);
}
.abu-about .link_table td:first-child{
	width: 96px;
	white-space: nowrap;
	color: var(--abu-muted);
}
.abu-about .friendlink input[type="text"],
.abu-about .friendlink select,
.abu-about .friendlink textarea,
.abu-about .friendlink input.text{
	width: 100% !important;
	max-width: 420px;
	height: 40px;
	padding: 0 12px;
	box-sizing: border-box;
	font-size: 14px;
	color: var(--abu-text);
	background: #fff;
	border: 1px solid var(--abu-line);
	clip-path: polygon(7px 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
	outline: none;
	line-height: 40px;
}
.abu-about .friendlink textarea{
	height: 110px !important;
	padding: 10px 12px;
	line-height: 1.6;
	resize: vertical;
	clip-path: none;
}
.abu-about .friendlink input[type="text"]:focus,
.abu-about .friendlink select:focus,
.abu-about .friendlink textarea:focus{
	border-color: var(--abu-blue);
	box-shadow: 0 0 0 3px rgba(28,127,240,.12);
}
.abu-about .friendlink input[name="checkcode"]{
	max-width: 120px !important;
}
.abu-about .authcode{
	cursor: pointer;
	width: 140px;
	height: 44px;
	border: 1px solid var(--abu-line);
	background: #fff;
	object-fit: contain;
}
.abu-about .submit,
.abu-about input.submit,
.abu-about input[name="about_submit"]{
	border: 0;
	background: linear-gradient(90deg, var(--abu-cyan), var(--abu-blue)) !important;
	height: 42px !important;
	width: auto !important;
	min-width: 128px;
	padding: 0 22px;
	color: #fff !important;
	font-size: 15px;
	font-weight: 700;
	line-height: 42px;
	text-align: center;
	cursor: pointer;
	clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
	box-shadow: 0 10px 22px rgba(15,99,216,.28);
}

/* ---- Sitemap ---- */
.abu-sitemap-intro{
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 12px;
	margin: 0 0 18px;
}
.abu-sitemap-intro__card{
	padding: 16px 16px 14px;
	background: rgba(255,255,255,.2);
	border: 1px solid rgba(255,255,255,.35);
	color: #fff;
	clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}
.abu-sitemap-intro__tag{
	display: inline-block;
	margin: 0 0 8px;
	font-family: var(--abu-display);
	font-size: 10px;
	letter-spacing: .22em;
	color: rgba(255,255,255,.85);
}
.abu-sitemap-intro__card strong{
	display: block;
	margin: 0 0 6px;
	font-size: 16px;
}
.abu-sitemap-intro__card p{
	margin: 0;
	font-size: 13px;
	line-height: 1.6;
	color: rgba(255,255,255,.88);
}

.abu-about .sitemap{
	height: auto;
	overflow: visible;
}
.abu-about .sitemap .ul,
.abu-about .abu-sitemap-groups{
	font-size: 14px;
	margin: 0;
	text-align: left;
}
.abu-about .abu-sitemap-group{
	margin: 0 0 18px;
	padding: 0;
}
.abu-about .sitemap .h3{
	height: auto;
	margin: 0 0 12px;
	padding: 10px 14px;
	font-family: var(--abu-font);
	font-size: 16px;
	font-weight: 700;
	line-height: 1.4;
	text-indent: 0;
	background: rgba(28,127,240,.06);
	border: 1px solid var(--abu-line);
	clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.abu-about .sitemap .h3 a{
	color: var(--abu-text);
}
.abu-about .sitemap .h3 a:hover{
	color: var(--abu-blue-deep);
}
.abu-about .sitemap ul,
.abu-about .abu-sitemap-grid{
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
	gap: 8px;
	width: 100%;
	margin: 0;
	padding: 0;
	list-style: none;
	font-size: 14px;
	height: auto;
	overflow: visible;
	vertical-align: top;
}
.abu-about .sitemap ul li{
	float: none;
	width: auto;
	margin: 0;
	padding: 0;
	line-height: 1.4;
	text-indent: 0;
	overflow: hidden;
}
.abu-about .sitemap ul li a{
	display: flex;
	align-items: center;
	min-height: 36px;
	padding: 0 12px;
	color: var(--abu-text);
	background: #fff;
	border: 1px solid var(--abu-line);
	clip-path: polygon(7px 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
}
.abu-about .sitemap ul li a:hover{
	color: #fff;
	background: linear-gradient(90deg, var(--abu-cyan), var(--abu-blue));
	border-color: transparent;
}

/* ---- Footer ---- */
.abu-about .footer{
	position: relative;
	z-index: 1;
	width: 100% !important;
	max-width: 1120px;
	margin: 0 auto;
	padding: 18px 16px 36px;
	height: auto;
	line-height: 1.7;
	color: rgba(255,255,255,.88);
	font-size: 13px;
	text-align: center;
	box-sizing: border-box;
}
.abu-about .footer a{
	color: #fff;
	margin-left: 5px;
}
.abu-about .footer a:hover{
	opacity: .85;
}
.abu-about .none,
.abu-about [class^="none_"]{
	display: none;
}

.abu-about .location{
	display: none;
}

.full .inner,
.full .cinner,
.full .location,
.full .footer,
.full .sitemap,
.full .friendlink,
.full .faq,
.full .announce{
	width: auto !important;
}

@keyframes abuFadeUp{
	from{ opacity: 0; transform: translateY(18px); }
	to{ opacity: 1; transform: translateY(0); }
}
@keyframes abuFadeDown{
	from{ opacity: 0; transform: translateY(-14px); }
	to{ opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px){
	.abu-hero{
		grid-template-columns: 1fr;
	}
	.abu-hero__visual{
		display: none;
	}
	.abu-sitemap-intro{
		grid-template-columns: 1fr;
	}
	.abu-about .cinner{
		grid-template-columns: 1fr;
	}
	.abu-about .inner{
		height: auto;
		padding: 14px 16px;
		flex-direction: column;
		align-items: flex-start;
		gap: 12px;
	}
	.abu-about .inner .nav{
		justify-content: flex-start;
	}
}

@media (prefers-reduced-motion: reduce){
	.abu-prism,
	.abu-about .header,
	.abu-page{
		animation: none !important;
    }
}