#home .home{ color: #ae8550;}
#products .products{ color: #ae8550;}
#case .case{ color: #ae8550;}
#news .news{ color: #ae8550;}
#about .about{ color: #ae8550;}
#contact .contact{ color: #ae8550;}
#service .service{ color: #ae8550;}

/* Header */
.lanqi-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    height: 90px;
    background: transparent;
    transition: height .35s ease, background .35s ease, box-shadow .35s ease;
}

.lanqi-header.current,
.lanqi-header.menu-open {
    background: #fff;
    box-shadow: 0 5px 30px rgba(0, 0, 0, .07);
}

.lanqi-header.current {
    height: 76px;
}

.lanqi-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    height: 100%;
}

/* Logo */
.lanqi-logo {
    position: relative;
    display: block;
    width: 82px;
    flex: 0 0 82px;
}

.lanqi-logo img {
    display: block;
    width: 100%;
    height: auto;
    transition: opacity .3s ease;
}

.lanqi-logo-dark {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.lanqi-header.current .lanqi-logo-white,
.lanqi-header.menu-open .lanqi-logo-white {
    opacity: 0;
}

.lanqi-header.current .lanqi-logo-dark,
.lanqi-header.menu-open .lanqi-logo-dark {
    opacity: 1;
}

/* Navigation */
.lanqi-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 0;
    height: 100%;
}

.lanqi-nav-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(16px, 1.8vw, 34px);
    height: 100%;
}

.lanqi-nav-item {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}

.lanqi-nav-item > a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 100%;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    white-space: nowrap;
    transition: color .3s ease;
}

.lanqi-nav-item > a::after {
    content: "";
    position: absolute;
    bottom: 23px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ae8550;
    transition: width .3s ease;
}

.lanqi-nav-item > a:hover::after,
.lanqi-has-dropdown:hover > a::after,
.lanqi-has-dropdown:focus-within > a::after {
    width: 100%;
}

.lanqi-nav-item > a:hover,
.lanqi-has-dropdown:hover > a,
.lanqi-has-dropdown:focus-within > a {
    color: #ae8550;
}

.lanqi-dropdown-link > i {
    font-size: 12px;
    transition: transform .3s ease;
}

.lanqi-has-dropdown:hover > .lanqi-dropdown-link i,
.lanqi-has-dropdown:focus-within > .lanqi-dropdown-link i {
    transform: rotate(180deg);
}

.lanqi-header.current .lanqi-nav-item > a,
.lanqi-header.menu-open .lanqi-nav-item > a {
    color: #252525;
}

.lanqi-header.current .lanqi-nav-item > a:hover,
.lanqi-header.menu-open .lanqi-nav-item > a:hover,
.lanqi-header.current .lanqi-has-dropdown:hover > a,
.lanqi-header.current .lanqi-has-dropdown:focus-within > a {
    color: #ae8550;
}

.lanqi-submenu-toggle {
    display: none;
}

/* Header Actions */
.lanqi-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 18px;
    flex-shrink: 0;
}

.lanqi-search-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 21px;
    cursor: pointer;
    transition: color .3s ease, transform .3s ease;
}

.lanqi-search-trigger:hover {
    color: #ae8550;
    transform: scale(1.08);
}

.lanqi-header.current .lanqi-search-trigger,
.lanqi-header.menu-open .lanqi-search-trigger {
    color: #252525;
}

.lanqi-header.current .lanqi-search-trigger:hover,
.lanqi-header.menu-open .lanqi-search-trigger:hover {
    color: #ae8550;
}

.lanqi-menu-trigger {
    display: none;
}

/* Mega Dropdown */
.lanqi-dropdown {
    position: fixed;
    top: 90px;
    left: 0;
    width: 100%;
    max-height: calc(100vh - 90px);
    padding: 36px 0 46px;
    overflow-y: auto;
    background: #fff;
    border-top: 1px solid rgba(0, 0, 0, .04);
    box-shadow: 0 22px 40px rgba(0, 0, 0, .1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity .3s ease, visibility .3s ease, transform .3s ease, top .35s ease;
}

.lanqi-header.current .lanqi-dropdown {
    top: 76px;
    max-height: calc(100vh - 76px);
}

.lanqi-has-dropdown:hover > .lanqi-dropdown,
.lanqi-has-dropdown:focus-within > .lanqi-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.lanqi-dropdown-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 25px;
}

.lanqi-dropdown-heading span {
    display: block;
    margin-bottom: 8px;
    color: #ae8550;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
}

.lanqi-dropdown-heading h3 {
    margin: 0;
    color: #222;
    font-size: 25px;
    font-weight: 600;
    line-height: 1.3;
}

.lanqi-view-all {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 5px;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: color .3s ease;
}

.lanqi-view-all i {
    transition: transform .3s ease;
}

.lanqi-view-all:hover {
    color: #ae8550;
}

.lanqi-view-all:hover i {
    transform: translateX(5px);
}

/* Dropdown Cards */
.lanqi-dropdown-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
}

.lanqi-product-card {
    display: block;
    min-width: 0;
    color: #252525;
    text-align: center;
}

.lanqi-product-image {
    position: relative;
    width: 100%;
    aspect-ratio: 5 / 4;
    overflow: hidden;
    background: #f5f3f0;
    border-radius: 5px;
}

.lanqi-product-image::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    border-radius: inherit;
    pointer-events: none;
    transition: border-color .35s ease;
}

.lanqi-product-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}

.lanqi-product-card:hover .lanqi-product-image img {
    transform: scale(1.07);
}

.lanqi-product-card:hover .lanqi-product-image::after {
    border-color: rgba(174, 133, 80, .4);
}

.lanqi-product-card h4 {
    position: relative;
    display: inline-block;
    margin: 16px 0 0;
    padding-bottom: 8px;
    color: #252525;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    transition: color .3s ease;
}

.lanqi-product-card h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #ae8550;
    transform: translateX(-50%);
    transition: width .35s ease;
}

.lanqi-product-card:hover h4 {
    color: #ae8550;
}

.lanqi-product-card:hover h4::after {
    width: 42px;
}

/* Search Popup */
.lanqi-search-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    visibility: hidden;
    pointer-events: none;
}

.lanqi-search-modal.open {
    visibility: visible;
    pointer-events: auto;
}

.lanqi-search-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 13, 11, .75);
    opacity: 0;
    transition: opacity .4s ease;
}

.lanqi-search-modal.open .lanqi-search-backdrop {
    opacity: 1;
}

.lanqi-search-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 100px 30px 110px;
    background: #fff;
    transform: translateY(-100%);
    transition: transform .5s cubic-bezier(.22, 1, .36, 1);
}

.lanqi-search-modal.open .lanqi-search-panel {
    transform: translateY(0);
}

.lanqi-search-inner {
    width: 760px;
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

.lanqi-search-label {
    display: block;
    margin-bottom: 12px;
    color: #ae8550;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
}

.lanqi-search-inner h2 {
    margin: 0 0 35px;
    color: #242424;
    font-size: 36px;
    font-weight: 600;
    line-height: 1.3;
}

.lanqi-search-field {
    display: flex;
    align-items: center;
    width: 100%;
    border-bottom: 2px solid #ded8d1;
    transition: border-color .3s ease;
}

.lanqi-search-field:focus-within {
    border-color: #ae8550;
}

.lanqi-search-field input {
    flex: 1;
    min-width: 0;
    height: 65px;
    padding: 0 15px 0 0;
    border: none !important;
    outline: none;
    background: transparent;
    color: #222;
    font-size: 19px;
    font-weight: 400;
}

.lanqi-search-field input::placeholder {
    color: #999;
}

.lanqi-search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 0;
    border-radius: 50%;
    background: #ae8550;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: background .3s ease, transform .3s ease;
}

.lanqi-search-submit:hover {
    background: #927044;
    transform: translateX(3px);
}

.lanqi-search-inner p {
    margin-top: 22px;
    color: #888;
    font-size: 14px;
}

.lanqi-search-close {
    position: absolute;
    top: 30px;
    right: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border: 0;
    border-radius: 50%;
    background: #f5f3f0;
    color: #333;
    font-size: 20px;
    cursor: pointer;
    transition: background .3s ease, color .3s ease, transform .3s ease;
}

.lanqi-search-close:hover {
    background: #ae8550;
    color: #fff;
    transform: rotate(90deg);
}

body.lanqi-search-open,
body.lanqi-menu-open {
    overflow: hidden;
}

/* Mobile */
@media (max-width: 768px) {
    .lanqi-header,
    .lanqi-header.current {
        height: 68px;
    }

    .lanqi-header-inner {
        gap: 15px;
    }

    .lanqi-logo {
        width: 72px;
        flex-basis: 72px;
    }

    .lanqi-header-actions {
        gap: 12px;
    }

    .lanqi-search-trigger {
        width: 35px;
        height: 40px;
        font-size: 20px;
    }

    .lanqi-menu-trigger {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 6px;
        width: 38px;
        height: 40px;
        padding: 0;
        border: 0;
        background: transparent;
        cursor: pointer;
    }

    .lanqi-menu-trigger span {
        display: block;
        width: 24px;
        height: 2px;
        background: #fff;
        transition: transform .3s ease, opacity .3s ease, background .3s ease;
    }

    .lanqi-header.current .lanqi-menu-trigger span,
    .lanqi-header.menu-open .lanqi-menu-trigger span {
        background: #252525;
    }

    .lanqi-header.menu-open .lanqi-menu-trigger span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .lanqi-header.menu-open .lanqi-menu-trigger span:nth-child(2) {
        opacity: 0;
    }

    .lanqi-header.menu-open .lanqi-menu-trigger span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .lanqi-nav {
        position: fixed;
        top: 68px;
        left: 0;
        display: block;
        width: 100%;
        height: calc(100vh - 68px);
        height: calc(100dvh - 68px);
        padding: 10px 20px 40px;
        overflow-y: auto;
        background: #fff;
        opacity: 0;
        visibility: hidden;
        transform: translateX(100%);
        transition: opacity .35s ease, transform .35s ease, visibility .35s ease;
    }

    .lanqi-header.menu-open .lanqi-nav {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    .lanqi-nav-list {
        display: block;
        height: auto;
    }

    .lanqi-nav-item {
        display: flex;
        flex-wrap: wrap;
        height: auto;
        border-bottom: 1px solid #eee;
    }

    .lanqi-nav-item > a {
        flex: 1;
        min-height: 58px;
        color: #252525;
        font-size: 16px;
        font-weight: 500;
    }

    .lanqi-nav-item > a::after {
        display: none;
    }

    .lanqi-dropdown-link > i {
        display: none;
    }

    .lanqi-submenu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        min-height: 58px;
        padding: 0;
        border: 0;
        background: transparent;
        color: #444;
        font-size: 20px;
        cursor: pointer;
    }

    .lanqi-submenu-toggle i {
        transition: transform .3s ease;
    }

    .lanqi-has-dropdown.submenu-open > a,
    .lanqi-has-dropdown.submenu-open > .lanqi-submenu-toggle {
        color: #ae8550;
    }

    .lanqi-has-dropdown.submenu-open > .lanqi-submenu-toggle i {
        transform: rotate(180deg);
    }

    .lanqi-dropdown,
    .lanqi-header.current .lanqi-dropdown {
        position: static;
        display: none;
        width: 100%;
        max-height: none;
        padding: 10px 0 22px;
        overflow: visible;
        border: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        transition: none;
    }

    .lanqi-has-dropdown:hover > .lanqi-dropdown,
    .lanqi-has-dropdown:focus-within > .lanqi-dropdown {
        display: none;
    }

    .lanqi-has-dropdown.submenu-open > .lanqi-dropdown,
    .lanqi-has-dropdown.submenu-open:hover > .lanqi-dropdown,
    .lanqi-has-dropdown.submenu-open:focus-within > .lanqi-dropdown {
        display: block;
    }

    .lanqi-dropdown .container {
        width: 100%;
        max-width: 100%;
    }

    .lanqi-dropdown-heading {
        align-items: flex-start;
        margin-bottom: 20px;
    }

    .lanqi-dropdown-heading span {
        font-size: 10px;
    }

    .lanqi-dropdown-heading h3 {
        font-size: 20px;
    }

    .lanqi-view-all {
        font-size: 12px;
    }

    .lanqi-dropdown-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px 12px;
    }

    .lanqi-product-image {
        aspect-ratio: 1 / 1;
    }

    .lanqi-product-card h4 {
        margin-top: 10px;
        font-size: 13px;
    }

    .lanqi-search-panel {
        padding: 105px 20px 70px;
    }

    .lanqi-search-close {
        top: 20px;
        right: 20px;
        width: 38px;
        height: 38px;
    }

    .lanqi-search-inner h2 {
        margin-bottom: 25px;
        font-size: 27px;
    }

    .lanqi-search-field input {
        height: 55px;
        font-size: 15px;
    }

    .lanqi-search-submit {
        width: 42px;
        height: 42px;
        font-size: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lanqi-header,
    .lanqi-dropdown,
    .lanqi-nav,
    .lanqi-search-panel,
    .lanqi-search-backdrop {
        transition-duration: 0s;
    }
}