/* ============================================
   Header 导航栏样式
   文件: css/header.css
   模板: header.php
   ============================================ */

/* 顶部通栏 */
.hfjxzl-topbar {
    background: #f5f7fa;
    border-bottom: 1px solid #e8ecf1;
    font-size: 13px;
    color: #5a6a7a;
}

.hfjxzl-topbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hfjxzl-topbar-left {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hfjxzl-topbar-left i {
    color: #1267f1;
    font-size: 12px;
}

.hfjxzl-topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hfjxzl-topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #5a6a7a;
    text-decoration: none;
    transition: color .2s ease;
}

.hfjxzl-topbar-item:hover {
    color: #1267f1;
}

.hfjxzl-topbar-item i {
    font-size: 13px;
}

/* 顶部通栏微信二维码 */
.hfjxzl-topbar-wechat {
    position: relative;
}

.hfjxzl-wechat-qr {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) scale(.95);
    width: 160px;
    padding: 12px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, .18);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
    z-index: 2000;
}

.hfjxzl-wechat-qr::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #fff;
}

.hfjxzl-wechat-qr img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

.hfjxzl-wechat-qr span {
    display: block;
    margin-top: 8px;
    text-align: center;
    font-size: 12px;
    color: #5a6a7a;
    white-space: nowrap;
}

.hfjxzl-topbar-wechat:hover .hfjxzl-wechat-qr {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) scale(1);
}

/* 顶部通栏搜索框 */
.hfjxzl-topbar-search {
    display: flex;
    align-items: center;
    position: relative;
}

.hfjxzl-topbar-search input[type="search"] {
    width: 160px;
    height: 26px;
    padding: 0 26px 0 10px;
    border: 1px solid #d0d8e0;
    border-radius: 4px;
    background: #fff;
    font-size: 12px;
    color: #3a4a5a;
    outline: none;
    transition: width .25s ease, border-color .25s ease;
}

.hfjxzl-topbar-search input[type="search"]:focus {
    width: 200px;
    border-color: #1267f1;
}

.hfjxzl-topbar-search input[type="search"]::placeholder {
    color: #9aa8b8;
}

.hfjxzl-topbar-search button {
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    padding: 0;
    border: none;
    background: transparent;
    color: #7a8a9a;
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hfjxzl-topbar-search button:hover {
    color: #1267f1;
}

/* 顶部通栏获取报价按钮 */
.hfjxzl-topbar-cta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 26px;
    padding: 0 12px;
    border-radius: 4px;
    background: linear-gradient(135deg, #1476ff, #0057e7);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease;
}

.hfjxzl-topbar-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(18, 103, 241, .35);
}

@media (max-width: 760px) {
    .hfjxzl-topbar-inner {
        padding: 0 14px;
    }
    .hfjxzl-topbar-left {
        display: none;
    }
    .hfjxzl-topbar-right {
        width: 100%;
        justify-content: space-between;
    }
    .hfjxzl-topbar-search input[type="search"] {
        width: 140px;
    }
    .hfjxzl-topbar-search input[type="search"]:focus {
        width: 170px;
    }
    .hfjxzl-topbar-cta span {
        display: none;
    }
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #0d1b2a;
    border-bottom: 1px solid rgba(255,255,255,.06);
    transition: background .3s, box-shadow .3s;
}
.site-header.scrolled {
    background: rgba(13,27,42,.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,.3);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    gap: 32px;
}

/* Logo */
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}
.brand-logo {
    height: 42px;
    width: auto;
    object-fit: contain;
}
.brand-text {
    display: flex;
    flex-direction: column;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .5px;
    line-height: 1.2;
}
.brand-text small {
    font-size: 11px;
    font-weight: 400;
    color: rgba(255,255,255,.5);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* 导航菜单 */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}
.main-nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.main-nav ul li a {
    display: block;
    padding: 8px 14px;
    color: rgba(255,255,255,.78);
    font-size: 14.5px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all .22s;
    white-space: nowrap;
}
.main-nav ul li a:hover,
.main-nav ul li.current-menu-item > a,
.main-nav ul li.current-menu-ancestor > a {
    color: #fff;
    background: rgba(255,255,255,.08);
}
.main-nav ul li.current-menu-item > a {
    color: #e6a23c;
    font-weight: 600;
}

/* 下拉子菜单 */
.main-nav ul li.menu-item-has-children {
    position: relative;
}
.main-nav ul li.menu-item-has-children > a::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 5px;
    font-size: 11px;
    opacity: .6;
}
.main-nav ul li .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #152238;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 10px;
    padding: 8px 0;
    box-shadow: 0 8px 30px rgba(0,0,0,.4);
    list-style: none;
    z-index: 100;
}
.main-nav ul li.menu-item-has-children:hover > .sub-menu {
    display: block;
    animation: subFadeIn .18s ease;
}
@keyframes subFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}
.main-nav ul li .sub-menu li a {
    padding: 9px 20px;
    font-size: 14px;
    border-radius: 0;
}
.main-nav ul li .sub-menu li a:hover {
    background: rgba(230,162,60,.1);
    color: #e6a23c;
}

/* CTA 按钮 */
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 24px;
    background: #2563eb;
    color: #fff;
    font-size: 14.5px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all .25s;
    flex-shrink: 0;
    white-space: nowrap;
}
.header-cta:hover {
    background: #1d4ed8;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37,99,235,.35);
}

/* 移动端汉堡按钮 */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px; height: 42px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 10px;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    margin-left: auto;
    position: relative;
    z-index: 10001;
    transition: all .25s;
}
.mobile-toggle:hover {
    background: rgba(18,103,241,.2);
    border-color: var(--blue, #1267f1);
}
.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: rgba(255,255,255,.85);
    border-radius: 2px;
    transition: all .3s ease;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.mobile-toggle span:nth-child(1) { top: 13px; }
.mobile-toggle span:nth-child(2) { top: 19px; }
.mobile-toggle span:nth-child(3) { top: 25px; }

/* 汉堡 → X 变形动画 */
.mobile-toggle.active {
    background: rgba(239,68,68,.15);
    border-color: rgba(239,68,68,.4);
}
.mobile-toggle.active span:nth-child(1) {
    top: 19px;
    transform: translateX(-50%) rotate(45deg);
}
.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}
.mobile-toggle.active span:nth-child(3) {
    top: 19px;
    transform: translateX(-50%) rotate(-45deg);
}

/* 移动端面板 — 从 header 下方展开 */
.mobile-panel {
    display: none;
    position: fixed;
    top: 108px; left: 0; right: 0;
    background: #0d1b2a;
    z-index: 9999;
    overflow-y: auto;
    max-height: calc(100vh - 108px);
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s ease, opacity .3s ease, visibility .3s;
    border-top: 1px solid rgba(255,255,255,.08);
}
.mobile-panel.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-panel .mobile-nav {
    padding: 0 24px;
}
.mobile-panel .mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.mobile-panel .mobile-nav ul li a {
    display: block;
    padding: 15px 0;
    color: rgba(255,255,255,.82);
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,.05);
    transition: color .2s;
}
.mobile-panel .mobile-nav ul li a:hover,
.mobile-panel .mobile-nav ul li.current-menu-item > a {
    color: #e6a23c;
}
.mobile-panel .header-cta {
    margin: 0 24px;
    width: calc(100% - 48px);
    justify-content: center;
    padding: 14px;
    font-size: 16px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .main-nav { display: none; }
    .header-cta { display: none; }
    .mobile-toggle { display: flex; }
    .mobile-panel { display: block; }
}

@media (max-width: 640px) {
    .header-inner {
        height: 64px;
        gap: 16px;
        padding: 0 16px;
    }
    .brand-logo { height: 36px; }
    .brand-text { font-size: 15px; }
    .brand-text small { font-size: 10px; }
    .mobile-panel {
        top: 100px;
        max-height: calc(100vh - 100px);
    }
}