/* ==========================================
   theme4 — 共享页（public/layout）兼容皮肤
   登录 / 注册 / 会员中心 / 订单等页面走 public/layout，
   其 .header / .banner / .onenav-float-tools 在本主题
   自己的 style.css 里没有定义，这里按 theme4 蓝色调补齐。
   全部规则限定在 body.theme-theme4 下（body 类由 layout 输出），
   不影响 theme4 独立模板页面。
   ========================================== */

/* ---------- 顶部导航 ---------- */
body.theme-theme4 .header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 60px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}
body.theme-theme4 .header .container {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}
body.theme-theme4 .header .nav-bar { display: none; }
body.theme-theme4 .header .logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
body.theme-theme4 .header .logo img { height: 36px; width: auto; }
body.theme-theme4 .header .logo .logo-fixed { display: none; }
body.theme-theme4 .header .nav {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    margin: 0 0 0 8px;
    padding: 0;
    list-style: none;
    overflow: hidden;
}
body.theme-theme4 .header .nav li a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    white-space: nowrap;
    transition: all .2s;
}
body.theme-theme4 .header .nav li a i { font-size: 14px; color: #4f8df7; }
body.theme-theme4 .header .nav li a:hover {
    color: #3f78d8;
    background: #eff6ff;
}

/* 顶栏右侧用户区：登录按钮换成 theme4 蓝 */
body.theme-theme4 .header-user .login-btn { background: #4f8df7; }
body.theme-theme4 .header-user .login-btn:hover { background: #3f78d8; }

/* ---------- 搜索横幅 ---------- */
body.theme-theme4 .banner {
    position: relative;
    margin-top: 60px;
    padding: 46px 20px 50px;
    text-align: center;
    background: linear-gradient(135deg, #4f8df7 0%, #3f78d8 55%, #3568c4 100%);
    overflow: hidden;
}
body.theme-theme4 .banner .search-type {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
}
body.theme-theme4 .banner .search-type .title {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    margin-right: 6px;
}
body.theme-theme4 .banner .search-type li {
    padding: 6px 18px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    cursor: pointer;
    transition: all .2s;
}
body.theme-theme4 .banner .search-type li:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}
body.theme-theme4 .banner .search-type li.active {
    background: #fff;
    color: #3f78d8;
    font-weight: 600;
}
body.theme-theme4 .banner .search-main {
    display: flex;
    max-width: 620px;
    margin: 0 auto;
    background: #fff;
    border-radius: 999px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
body.theme-theme4 .banner .search-input {
    flex: 1;
    height: 48px;
    padding: 0 24px;
    border: 0;
    outline: none;
    font-size: 15px;
    color: #333;
    background: transparent;
}
body.theme-theme4 .banner .search-btn {
    height: 48px;
    padding: 0 30px;
    border: 0;
    background: linear-gradient(135deg, #4f8df7, #3f78d8);
    color: #fff;
    font-size: 15px;
    cursor: pointer;
}

/* ---------- 右下角悬浮菜单 ---------- */
body.theme-theme4 .onenav-float-tools {
    position: fixed;
    right: 16px;
    bottom: 84px;
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
body.theme-theme4 .onenav-float-tools a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, #4f8df7, #3f78d8);
    box-shadow: 0 8px 20px rgba(79, 141, 247, 0.35);
    transition: transform .2s ease, box-shadow .2s ease;
}
body.theme-theme4 .onenav-float-tools a:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(79, 141, 247, 0.45);
}

/* ---------- 移动端 ---------- */
@media (max-width: 768px) {
    body.theme-theme4 .header .nav { display: none; }
}