/* ========== Header 外壳 ========== */
.site-header {
    position: relative;
    z-index: 999;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: #fff;
    /* box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06); */
    color: #222;
}
.site-header ul { list-style: none; margin: 0; padding: 0; }
.site-header ul li{ list-style: none; }
.site-header a { color: #222; }

.header-inner {
    max-width: 1440px;
    height: 100%;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

/* ========== Logo 双模式 ========== */
.logo-wrapper {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}
.logo-wrapper img {
    height: 81px;
    width: auto;
    display: block;
    line-height: normal;
}

/* ========== PC端菜单 ========== */
.nav-group {
    flex: 1;
}

.nav-left {
    display: flex;
    justify-content: flex-start;
}

.nav-right {
    display: flex;
    justify-content: flex-end;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 20px;
}

.site-header .nav-list {
    text-transform: uppercase;  
}

.nav-list>li>a {
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
    padding: 6px 0;
    position: relative;
    white-space: nowrap;
}
.nav-right .nav-list {
    gap: 16px;
}

.nav-list>li>a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: #cfc0c2;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-list>li>a:hover::after,
.nav-list>li>a:focus::after {
    width: 100%;
}

.btn-appointment {
    border: 1px solid #2c2c2c !important;
    padding: 8px 20px !important;
    letter-spacing: 1.5px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-appointment:hover {
    background: #2c2c2c !important;
    color: #fff !important;
}

.btn-appointment::after {
    display: none !important;
}

/* ========== PC端二级下拉（左对齐） ========== */
.has-submenu {
    position: relative;
}

.submenu {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    transform: translateY(6px);
    min-width: 230px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-radius: 2px;
    padding: 10px 0;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
}

.submenu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 20px;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #fff;
}

.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu,
.has-submenu.is-active .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li a {
    justify-content: space-between;
    display: flex;
    align-items: center;
    padding: 10px 28px;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.3s, color 0.3s;
}

.submenu li a:hover {
    background: #faf6f1;
}

/* ========== PC端三级菜单 ========== */
.has-sub-submenu {
    position: relative;
}

.sub-submenu {
    position: absolute;
    left: 100%;
    top: -10px;
    min-width: 200px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-radius: 2px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(6px);
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
}

.has-sub-submenu:hover>.sub-submenu,
.has-sub-submenu:focus-within>.sub-submenu,
.has-sub-submenu.is-active>.sub-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.has-sub-submenu.open-left>.sub-submenu {
    left: auto;
    right: 100%;
    transform: translateX(-6px);
}

.has-sub-submenu.open-left:hover>.sub-submenu,
.has-sub-submenu.open-left:focus-within>.sub-submenu,
.has-sub-submenu.open-left.is-active>.sub-submenu {
    transform: translateX(0);
}

/* ========== 纯CSS图标 ========== */
.css-arrow-right {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-left: 16px;
    flex-shrink: 0;
    border-top: 1.5px solid currentColor;
    border-right: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.has-sub-submenu:hover>a .css-arrow-right {
    transform: rotate(45deg) translateX(2px);
}

.css-arrow-down {
    display: inline-block;
    width: 7px;
    height: 7px;
    flex-shrink: 0;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-submenu-toggle[aria-expanded="true"] .css-arrow-down {
    transform: rotate(225deg);
}

.css-close-icon {
    display: block;
    width: 22px;
    height: 22px;
    position: relative;
}

.css-close-icon::before,
.css-close-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: #2c2c2c;
}

.css-close-icon::before {
    transform: rotate(45deg);
}

.css-close-icon::after {
    transform: rotate(-45deg);
}

/* ========== 移动端汉堡按钮（右上角） ========== */
.hamburger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1002;
    position: absolute;
    right: 20px;
    top: 33px;
    /* transform: translateY(-50%); */
    background-color: transparent !important;
    border: none;
}

.hamburger-menu span {
    display: block;
    width: 22px;
    height: 2px;
    background: #2c2c2c;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-menu[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== 移动端全屏导航 ========== */
.mobile-nav {
    width: 100%;
    position: fixed;
    inset: 0;
    background: #fff;
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav-inner {
    padding: 20px;
    position: relative;
}

.mobile-logo {
    margin-bottom: 20px;
}

.mobile-logo img {
    height: 66px;
    width: auto;
}

.close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 8px;
    color: #2c2c2c;
}

.mobile-nav-list>li>a,
.mobile-submenu-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 18px 0;
    font-size: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-bottom: 1px solid #f0ece7;
}

.btn-appointment-mobile {
    margin-top: 20px;
    display: inline-block !important;
    border: 1px solid #2c2c2c !important;
    padding: 14px 32px !important;
    text-align: center !important;
    justify-content: center !important;
}

/* ========== 移动端子菜单 Grid 动画 ========== */
.mobile-submenu {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
    visibility: hidden;
}

.mobile-submenu.is-open {
    grid-template-rows: 1fr;
    visibility: visible;
}

.mobile-submenu-inner {
    overflow: hidden;
}

.mobile-submenu-inner ul li a {
    display: block;
    padding: 14px 0 14px 12px;
    font-size: 14px;
    color: #777;
    text-transform: none;
    letter-spacing: 0;
}

/* ========== 响应式断点 ========== */
@media (max-width: 1024px) {

    .nav-group{
        display: none;
    }
    /* .logo-pc-center {
        display: none !important;
    }

    .logo-mobile-fixed {
        display: block;
    } */
     .logo-wrapper{
        position: absolute;
        left: 20px;
        top: 20px;
        height: 66px;
        z-index: 2;
        transform:none;
     }
     .logo-wrapper img{
        height: 66px;
     }

    .hamburger-menu {
        display: flex;
    }

    .header-inner {
        justify-content: space-between;
        padding: 0 20px;
    }
}

@media (min-width: 1025px) {

    .mobile-nav,
    .hamburger-menu{
        display: none !important;
    }
    /* .logo-mobile-fixed {
        display: none !important;
    } */
}