/* ========================================
   PC导航 — 吸顶毛玻璃·酷炫版
   ======================================== */
#pc-header{position:fixed;top:0;left:0;right:0;z-index:999;transition:all .35s cubic-bezier(.4,0,.2,1)}
#pc-header .logo{padding:20px 0;transition:all .35s cubic-bezier(.4,0,.2,1)}
#pc-header .logo img{max-width:none;max-height:50px;transition:all .35s cubic-bezier(.4,0,.2,1)}
#pc-header .navbar{background:rgba(255,255,255,.92);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);box-shadow:0 1px 0 rgba(15,45,85,.04);z-index:9;border-bottom:1px solid rgba(15,45,85,.04);transition:all .35s cubic-bezier(.4,0,.2,1)}

/* 吸顶缩小状态 — JS添加 .header-shrink 触发 */
#pc-header.header-shrink .navbar{background:rgba(255,255,255,.96);box-shadow:0 4px 20px rgba(15,45,85,.06)}
#pc-header.header-shrink .logo{padding:10px 0}
#pc-header.header-shrink .logo img{max-height:36px}
#pc-header.header-shrink .nav li a{line-height:64px;font-size:15px}
#pc-header.header-shrink .nav li ul{top:64px}
#pc-header.header-shrink .searchBar{top:22px}
#pc-header.header-shrink .shopBar{top:22px}
#pc-header.header-shrink .log-in{top:16px}

#pc-header .nav li.active ul li a {color:#1a2340}
#pc-header .nav li a{color:#3e3e3e;line-height:90px;position:relative;padding:0 18px;font-size:16px;font-weight:500;transition:all .25s ease;letter-spacing:.3px}
#pc-header .nav li ul {top:90px;padding:0;}
#pc-header .nav li.active a,#pc-header .nav li a:hover,#pc-header .nav li:hover a.first-level{color:#1a4e8c}

/* 活跃指示器 — 渐变底线 */
#pc-header .nav li.active a::after,#pc-header .nav li a:hover::after{content:'';position:absolute;bottom:0;left:18px;right:18px;height:2px;background:linear-gradient(90deg,#1a4e8c,#0cb07a);border-radius:1px;transform:scaleX(1);transition:transform .3s ease}
#pc-header .nav li a::after{content:'';position:absolute;bottom:0;left:18px;right:18px;height:2px;background:linear-gradient(90deg,#1a4e8c,#0cb07a);border-radius:1px;transform:scaleX(0);transition:transform .3s ease}
#pc-header .nav li a:hover::after{transform:scaleX(1)}

/* 下拉菜单 — 圆角+阴影+动画 */
#pc-header .nav li ul{background:#fff;border-radius:10px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 12px 40px rgba(15,45,85,.1);border:1px solid rgba(15,45,85,.04);overflow:hidden;opacity:0;transform:translateY(8px);pointer-events:none}
#pc-header .nav li:hover>ul{opacity:1;transform:translateY(0);pointer-events:auto}
#pc-header .nav li ul li a {background:#fff;line-height:44px;color:#3e3e3e;font-size:14px;font-weight:400;display:block;width:100%;text-align:left;border-radius:0;transition:all .25s ease;padding:0 24px}
#pc-header .nav li ul li a:hover{background:linear-gradient(90deg,rgba(26,78,140,.06),rgba(12,176,122,.06));color:#1a4e8c;padding-left:28px}

/* 登录图标 */
.log-in a.user-ico i{font-size: 20px !important;}

/* pc搜索图标 */
#pc-header .searchBar{position:absolute;top:37px;right:120px;transition:all .35s cubic-bezier(.4,0,.2,1)}
#pc-header a.search-ico i{font-size:18px;color:#4a5568;transition:all .3s}
#pc-header a.search-ico:hover i{color:#1a4e8c;transform:scale(1.15)}

/* 购物车图标 */
#pc-header .shopBar{position:absolute;top:37px;right:80px;transition:all .35s cubic-bezier(.4,0,.2,1)}
#pc-header a.shop-ico i{font-size:18px;color:#4a5568;transition:all .3s}
#pc-header a.shop-ico:hover i{color:#1a4e8c}

/* 登入后状态 */
.log-in{position:absolute;top:29px;right:5px;transition:all .35s cubic-bezier(.4,0,.2,1)}
.log-in .drop-menu {margin:12px 0 0;min-width:100px;border-radius:8px;box-shadow:0 8px 24px rgba(15,45,85,.1);border:1px solid rgba(15,45,85,.04)}
.log-in .drop-menu li{padding: 0 12px;height: 36px;text-align: center;}
.log-in .drop-menu li a{position: relative;height: 36px;line-height: 36px;transition:color .25s}
.log-in .drop-menu li a:hover,.drop-menu a:focus {color:#1a4e8c;background:unset}
.log-in .button-group span {display:inline-block;line-height:24px;height:24px;width:24px}
.log-in .button-group ul:before {position:absolute;top:-8px;left:50px;display:inline-block;border-right:8px solid transparent;border-bottom:8px solid #fff;border-left:8px solid transparent;content:'';}
.log-in .button-group ul:after {position:absolute;top:-8px;left:50px;display:inline-block;border-right:8px solid transparent;border-bottom:8px solid rgba(15,45,85,.04);border-left:8px solid transparent;content:'';}
.log-in .button-group .button {padding:0;line-height:18px;font-size:20px}
.log-in .button-group .drop-menu {padding: 8px 0; left: -40px;border-top:0;box-shadow:0 8px 24px rgba(15,45,85,.1);border-radius:8px;border:1px solid rgba(15,45,85,.04)}
.log-in a.user-ico{width:34px;height:34px;line-height:34px;background:linear-gradient(135deg,rgba(26,78,140,.1),rgba(12,176,122,.1));display:block;border-radius:50%;transition:all .3s}
.log-in a.user-ico:hover{background:linear-gradient(135deg,rgba(26,78,140,.2),rgba(12,176,122,.2))}
.log-in a.user-head{width:34px;height:34px;overflow:hidden;display:block;border-radius:50%;border:2px solid rgba(26,78,140,.3)}
.log-in a.user-head img{width:34px;height:34px;border-radius:50%}
/* 登入后状态 end*/

/* 注册登录切换 */
.register .tab{font-size:0}
.register .tab li{cursor:pointer;display:inline-block;position:relative;font-size:20px;width:100%;color:#666;margin:0 0 40px 0}
.register .tab li.cur{color:#1a4e8c}
.register .tab li.cur::before{background:linear-gradient(90deg,#1a4e8c,#0cb07a);content:'';position:absolute;bottom:-10px;left:0;width:100%;height:3px;border-radius:3px;transition:transform .3s}

.register .line{margin:0px;padding:0;position: relative; text-align: center;}
.register .line span{display: inline-block; padding: 0 20px; position: relative; z-index: 200;}
.register .line hr{-moz-border-bottom-colors: none; -moz-border-left-colors: none; -moz-border-right-colors: none; -moz-border-top-colors: none; border-color: #E2E2E2 -moz-use-text-color -moz-use-text-color; border-image: none; border-style: solid none none; margin-top:10px; position: absolute; top:0; width: 100%;}

.register .bnt-login{margin:0 auto;text-align:center}
.register .bnt-login a{display:inline-block;color:#fff;font-size:22px;width:48px;height:48px;text-align:center;line-height:48px;margin-right:10px;border-radius:50%;transition:all .3s}
.register .bnt-login a i{font-size: 22px;}
.register .bnt-login a:hover{opacity:0.8;transform:translateY(-3px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.register .bnt-login a.weixin{background:#38B624}
.register .bnt-login a.qq{background:#1F92DF}
.register .bnt-login a.weibo{background:#FF6000}
/* 注册登录切换 end*/

/* 弹出搜索 — 全屏沉浸 */
.searchBar-m {display:none;width:100%;height:100%;position:fixed;top:0px;z-index:9999;text-align:center}
.searchBar-m .mask {position:absolute;left:0;right:0;width:100%;height:100%;background:rgba(15,45,85,.92);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);opacity:0;transition:opacity .4s}
.searchBar-m .mask-ico i{font-size: 20px;}
.searchBar-m a {display:block;position:absolute;right:5%;top:5%;width:60px;height:60px;line-height:56px;font-size:48px;z-index:9999;color:rgba(255,255,255,.6);transition:all .3s}
.searchBar-m a:hover{color:#1a4e8c}
.searchBar-m .form-group {width:70%;max-width:720px;position:absolute;left:50%;top:40%;transform:translate(-50%,-200%);}
.searchBar-m .input{width:88%;background:transparent;border:0;border-bottom:2px solid rgba(26,78,140,.3);color:#fff;height:60px;line-height:60px;float:left;padding:0;font-size:22px;transition:border-color .3s}
.searchBar-m .input:focus{border-bottom-color:#1a4e8c}
.searchBar-m .input::placeholder{color:rgba(255,255,255,.3)}
.searchBar-m .button {width:8%;height:60px;line-height:60px;border-bottom:2px solid rgba(26,78,140,.3);display:block;float:left;background:url(../images/ico-search-button.png) no-repeat center 50%;text-indent:-2000px;transition:border-color .3s}
.searchBar-m .button:hover{border-bottom-color:#1a4e8c}
/* 弹出搜索 end */

/* 顶部渐变装饰线 */
.nav-accent-line{height:3px;background:linear-gradient(90deg,#1a4e8c,#0cb07a,#1a4e8c);background-size:200% 100%;animation:gradient-shift 4s ease infinite}

/* header-actions 右侧工具栏 */
.header-actions{display:flex;align-items:center;justify-content:flex-end;position:relative;height:90px;gap:8px;transition:height .35s cubic-bezier(.4,0,.2,1)}
#pc-header.header-shrink .header-actions{height:64px}