/* === 顶部导航 - 与论坛 shiqi30.com 风格统一 === */

/* 黑条工具栏 */
.yd-topbar{
	background:#2b2118;
	color:#cdb88a;
	font-size:12px;
	line-height:32px;
	border-bottom:1px solid #4a3a26;
}
.yd-topbar a{
	color:#cdb88a;
	text-decoration:none;
	margin:0 10px;
	transition:color .15s;
}
.yd-topbar a:hover{ color:#f0d68a; }
.yd-topbar .yd-tb-left{ float:left; }
.yd-topbar .yd-tb-right{ float:right; }
.yd-topbar::after{ content:""; display:block; clear:both; }

/* 主头部 */
.yd-header{
	background:linear-gradient(180deg,#fffdf3 0%,#fff5d6 100%);
	border-bottom:3px solid #d8aa46;
	box-shadow:0 2px 8px rgba(0,0,0,.12);
}
.yd-header .yd-hd-wrap{
	max-width:1200px;
	margin:0 auto;
	padding:18px 20px;
	display:flex;
	align-items:center;
	gap:24px;
}
.yd-header .yd-logo{
	flex:0 0 auto;
}
.yd-header .yd-logo img{
	display:block;
	height:60px;
	width:auto;
}
.yd-header .yd-site-name{
	flex:0 0 auto;
	font-size:20px;
	font-weight:800;
	color:#8b5a00;
	letter-spacing:2px;
	padding-right:24px;
	border-right:1px solid #d8aa46;
	line-height:1.1;
}
.yd-header .yd-site-name small{
	display:block;
	font-size:12px;
	font-weight:400;
	color:#a6742a;
	letter-spacing:1px;
	margin-top:4px;
}
.yd-header .yd-nav{
	flex:1;
	display:flex;
	gap:6px;
}
.yd-header .yd-nav a{
	display:inline-block;
	padding:8px 18px;
	font-size:15px;
	font-weight:600;
	color:#5d3a00;
	text-decoration:none;
	border-radius:6px;
	transition:all .15s;
}
.yd-header .yd-nav a:hover{
	background:#fff5d6;
	color:#8b5a00;
}
.yd-header .yd-nav a.active{
	background:linear-gradient(180deg,#e7af2a 0%,#c89316 100%);
	color:#fff;
	border:1px solid #8b5a00;
	box-shadow:0 2px 0 #8b5a00;
}
.yd-header .yd-search{
	flex:0 0 280px;
	display:flex;
	flex-direction:row;
	align-items:stretch;
	gap:0;
}
.yd-header .yd-search input{
	flex:1 1 auto;
	min-width:0;
	width:auto !important;
	max-width:none;
	padding:8px 12px;
	font-size:13px;
	margin:0 !important;
	border:2px solid #d8aa46;
	border-right:none;
	border-radius:8px 0 0 8px;
	background:#fffdf3;
	outline:none;
	box-sizing:border-box;
}
.yd-header .yd-search input:focus{ border-color:#8b5a00; }
.yd-header .yd-search button{
	flex:0 0 auto;
	padding:8px 16px;
	background:linear-gradient(180deg,#e7af2a 0%,#c89316 100%);
	color:#fff;
	border:2px solid #8b5a00;
	border-radius:0 8px 8px 0;
	cursor:pointer;
	font-size:13px;
	font-weight:600;
	white-space:nowrap;
	box-sizing:border-box;
}
.yd-header .yd-search button:hover{ background:linear-gradient(180deg,#f0bd35 0%,#d8aa46 100%); }

/* 移动端 */
@media (max-width:768px){
	.yd-header .yd-hd-wrap{ flex-wrap:wrap; gap:12px; }
	.yd-header .yd-site-name{ padding-right:12px; font-size:16px; }
	.yd-header .yd-nav{ order:3; width:100%; flex-wrap:wrap; }
	.yd-header .yd-nav a{ padding:6px 12px; font-size:13px; }
	.yd-header .yd-search{ flex:1; min-width:0; }
}