/* about-nova: 关于页全新版本（含导航与子页） */

:root{
	--ab-bg-a:#8AD4A4;
	--ab-bg-b:#59CEE8;
	--ab-ink:#14324a;
	--ab-muted:rgba(20,50,74,.72);
	--ab-soft:rgba(20,50,74,.5);
}

body.about-nova-page{
	margin:0;
	min-height:100vh;
	overflow-x:hidden;
	display:flex;
	flex-direction:column;
	background:linear-gradient(148deg,var(--ab-bg-a) 0%,var(--ab-bg-b) 100%)!important;
	color:var(--ab-ink);
	font-family:ui-sans-serif,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

body.about-nova-page::before,
body.about-nova-page::after{
	content:"";
	position:fixed;
	inset:0;
	pointer-events:none;
	z-index:0;
}
body.about-nova-page::before{
	background:
		radial-gradient(ellipse 80% 60% at 10% 20%, rgba(255,255,255,.36), transparent 58%),
		radial-gradient(ellipse 68% 52% at 90% 78%, rgba(255,255,255,.24), transparent 54%);
}
body.about-nova-page::after{
	opacity:.28;
	background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
	mix-blend-mode:soft-light;
}

.an-wrap{
	position:relative;
	z-index:1;
	max-width:1240px;
	margin:0 auto;
	padding:16px 16px 48px;
	flex:1;
	width:100%;
	box-sizing:border-box;
}

/* 顶部导航 */
.an-topbar{
	background:rgba(255,255,255,.88);
	border:1px solid rgba(255,255,255,.95);
	border-radius:20px;
	box-shadow:0 18px 52px rgba(20,50,74,.12),0 0 0 1px rgba(89,206,232,.16) inset;
	backdrop-filter:blur(16px);
	padding:12px 14px;
	display:flex;
	align-items:center;
	justify-content:space-between;
	gap:12px;
	margin-bottom:14px;
}

.an-brand{display:flex;align-items:center;gap:12px;min-width:0;}
.an-logo{
	width:44px;height:44px;border-radius:12px;
	background:linear-gradient(115deg,#0d3d38 5%,#156080 52%,#0a5c48 100%);
	display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;
}
.an-logo img{max-width:80%;max-height:80%;filter:brightness(0) invert(1);}
.an-brand-text{min-width:0;}
.an-brand-text h2{
	margin:0;font-size:15px;font-weight:900;color:var(--ab-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.an-brand-text p{
	margin:2px 0 0;font-size:11px;color:var(--ab-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.an-nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}
.an-link{
	display:inline-flex;align-items:center;gap:8px;
	padding:9px 12px;border-radius:999px;
	background:rgba(255,255,255,.62);border:1px solid rgba(20,50,74,.1);
	text-decoration:none;color:var(--ab-ink);font-size:12px;font-weight:800;
	transition:.2s;
}
.an-link b{
	width:18px;height:18px;border-radius:6px;font-size:11px;font-weight:900;font-style:normal;
	display:inline-flex;align-items:center;justify-content:center;
	background:linear-gradient(145deg,var(--ab-bg-a),var(--ab-bg-b));color:#0c2a32;
}
.an-link:hover{transform:translateY(-1px);border-color:rgba(89,206,232,.45);box-shadow:0 10px 24px rgba(20,90,110,.12);}
.an-link.current{background:rgba(138,212,164,.26);border-color:rgba(89,206,232,.38);}

/* 页面通用 */
.an-page-head{
	background:rgba(255,255,255,.72);
	border:1px solid rgba(20,50,74,.1);
	border-radius:18px;
	padding:16px;
	margin-bottom:14px;
}
.an-page-head h1{
	line-height: 40px;
	margin:0;
	font-size:1.8rem;
	font-weight:900;
	letter-spacing:-.02em;
	background:linear-gradient(115deg,#0d3d38 5%,#156080 52%,#0a5c48 100%);
	-webkit-background-clip:text;
	background-clip:text;
	color:transparent;
}
.an-page-head p{margin:6px 0 0;font-size:13px;line-height:1.7;color:var(--ab-muted);}

.an-grid{display:grid;grid-template-columns:minmax(260px,320px) minmax(0,1fr);gap:14px;}
.an-card{
	background:rgba(255,255,255,.88);
	border:1px solid rgba(255,255,255,.95);
	border-radius:18px;
	box-shadow:0 14px 40px rgba(20,50,74,.1),0 0 0 1px rgba(89,206,232,.14) inset;
	padding:14px;
}
.an-card h3{
	margin:0 0 10px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:900;color:rgba(20,50,74,.45);
}
.an-content{
	background:rgba(255,255,255,.72);
	text-align: left;
	border:1px solid rgba(20,50,74,.1);border-radius:14px;padding:14px;font-size:14px;line-height:1.8;color:var(--ab-muted);
}

.an-menu{display:flex;flex-direction:column;gap:8px;}
.an-menu a{
	display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:12px;text-decoration:none;
	background:rgba(255,255,255,.62);border:1px solid rgba(20,50,74,.1);font-size:13px;font-weight:800;color:var(--ab-ink);
}
.an-menu a i{
	width:16px;height:16px;border-radius:50%;background:linear-gradient(145deg,var(--ab-bg-a),var(--ab-bg-b));display:inline-block;
}
.an-menu a.current{background:rgba(138,212,164,.26);border-color:rgba(89,206,232,.38);}

/* FAQ */
.an-faq-group{margin-bottom:12px;}
.an-faq-group h4{margin:0 0 8px;font-size:13px;font-weight:900;color:var(--ab-ink);}
.an-faq-list{display:flex;flex-direction:column;gap:6px;}
.an-faq-list a{
	display:flex;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:10px;text-decoration:none;
	background:rgba(255,255,255,.62);border:1px solid rgba(20,50,74,.1);font-size:12px;color:var(--ab-ink);font-weight:700;
}
.an-faq-list a.current{background:rgba(138,212,164,.26);}

/* Announce timeline */
.an-timeline{display:flex;flex-direction:column;gap:12px;}
.an-item{
	background:rgba(255,255,255,.72);border:1px solid rgba(20,50,74,.1);border-radius:14px;padding:12px;
}
.an-item h3{margin:0 0 8px;font-size:16px;font-weight:900;color:var(--ab-ink);}
.an-meta{font-size:12px;color:var(--ab-soft);margin-bottom:8px;}

/* Friendlink */
.an-link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
.an-site{
	display:flex;flex-direction:column;gap:6px;padding:8px;border-radius:10px;background:rgba(255,255,255,.62);border:1px solid rgba(20,50,74,.1);text-decoration:none;color:var(--ab-ink);font-size:12px;font-weight:700;
}
.an-site img{width:100%;height:34px;object-fit:contain;background:#fff;border-radius:6px;}
.an-txt-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.an-txt-links a{
	padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.88);border:1px solid rgba(20,50,74,.1);text-decoration:none;font-size:12px;font-weight:700;color:var(--ab-ink);
}
.an-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:10px;}
.an-step{background:rgba(255,255,255,.62);border:1px solid rgba(20,50,74,.1);border-radius:12px;padding:10px;}
.an-step b{
	display:inline-flex;width:22px;height:22px;border-radius:7px;align-items:center;justify-content:center;font-size:12px;font-weight:900;
	background:linear-gradient(145deg,var(--ab-bg-a),var(--ab-bg-b));color:#0c2a32;margin-bottom:6px;
}

.an-form .row{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.an-form .group{margin-bottom:10px;}
.an-form label{display:block;margin-bottom:5px;font-size:12px;font-weight:800;color:var(--ab-ink);}
.an-form input,.an-form select,.an-form textarea{
	width:100%;box-sizing:border-box;padding:10px 11px;border-radius:10px;border:1px solid rgba(20,50,74,.12);background:rgba(255,255,255,.95);
}
.an-form textarea{min-height:90px;resize:vertical;}
.an-form .inline{display:flex;gap:8px;align-items:center;}
.an-form .inline input{max-width:140px;}
.an-btn{
	padding:11px 16px;border:none;border-radius:12px;font-size:13px;font-weight:900;color:#0c2a32;cursor:pointer;
	background:linear-gradient(105deg,var(--ab-bg-a) 0%,var(--ab-bg-b) 100%);
	box-shadow:0 12px 32px rgba(20,90,110,.22);
}

/* Sitemap */
.an-map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.an-map-cat{background:rgba(255,255,255,.72);border:1px solid rgba(20,50,74,.1);border-radius:12px;padding:10px;}
.an-map-cat h4{margin:0 0 8px;font-size:14px;font-weight:900;}
.an-map-cat h4 a{text-decoration:none;color:var(--ab-ink);}
.an-map-links{display:flex;flex-wrap:wrap;gap:7px;}
.an-map-links a{
	padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.88);border:1px solid rgba(20,50,74,.1);text-decoration:none;font-size:12px;font-weight:700;color:var(--ab-ink);
}

/* aboutus 单页新布局 */
.an-about-hero{
	display:grid;
	grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr);
	gap:12px;
}
.an-about-kpis{
	display:grid;
	grid-template-columns:repeat(3,minmax(0,1fr));
	gap:10px;
}
.an-kpi{
	background:rgba(255,255,255,.72);
	border:1px solid rgba(20,50,74,.1);
	border-radius:12px;
	padding:10px;
}
.an-kpi strong{
	display:block;
	margin-bottom:5px;
	font-size:13px;
	font-weight:900;
	color:var(--ab-ink);
}
.an-kpi span{
	font-size:12px;
	line-height:1.6;
	color:var(--ab-soft);
}
.an-about-note{
	background:rgba(255,255,255,.72);
	border:1px solid rgba(20,50,74,.1);
	border-radius:12px;
	padding:12px;
	display:flex;
	align-items:center;
}
.an-about-note p{
	margin:0;
	font-size:13px;
	line-height:1.75;
	color:var(--ab-muted);
}
.an-about-links{
	display:grid;
	grid-template-columns:repeat(3,minmax(0,1fr));
	gap:10px;
}
.an-about-links a{
	display:flex;
	align-items:center;
	justify-content:space-between;
	padding:10px 12px;
	border-radius:12px;
	text-decoration:none;
	background:rgba(255,255,255,.72);
	border:1px solid rgba(20,50,74,.1);
	font-size:13px;
	font-weight:800;
	color:var(--ab-ink);
}
.an-about-links a.current{
	background:rgba(138,212,164,.26);
	border-color:rgba(89,206,232,.38);
}
.an-about-links a em{
	font-style:normal;
	color:rgba(20,50,74,.45);
}

/* 底部始终贴底并铺满屏幕 */
.about-nova-page .footer{
	position:relative;
	z-index:1;
	margin-top:auto;
	width:100%;
	max-width:none;
	box-sizing:border-box;
	border-radius:0;
	padding:14px 16px;
	text-align:center;
	background:rgba(255,255,255,.78);
	border-top:1px solid rgba(20,50,74,.1);
	color:var(--ab-soft);
}
.about-nova-page .footer a{color:#156080;}

@media (max-width:980px){
	.an-grid{grid-template-columns:1fr;}
	.an-link-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
	.an-steps{grid-template-columns:1fr;}
	.an-map-grid{grid-template-columns:1fr;}
	.an-about-hero{grid-template-columns:1fr;}
	.an-about-kpis{grid-template-columns:1fr;}
	.an-about-links{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
	.an-topbar{flex-direction:column;align-items:stretch;}
	.an-nav{justify-content:flex-start;}
	.an-form .row{grid-template-columns:1fr;}
	.an-link-grid{grid-template-columns:1fr;}
	.an-about-links{grid-template-columns:1fr;}
}