body {
    padding-top: 88px;
}

@media (max-width: 991px) {
    body {
        padding-top: 68px;
    }
}

:root {
    --site-header-bg: rgba(255, 255, 255, 0.92);
    --site-header-border: rgba(223, 177, 99, 0.18);
    --site-header-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --site-header-shadow-scrolled: 0 16px 40px rgba(15, 23, 42, 0.12);
    --site-nav-text: #1f2937;
    --site-nav-accent: #dfb163;
    --site-nav-muted: #6b7280;
    --site-nav-radius: 14px;
    --site-transition: cubic-bezier(0.4, 0, 0.2, 1);
    --site-nav-max-width: 1240px;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1200;
    background: var(--site-header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--site-header-border);
    box-shadow: var(--site-header-shadow);
    transition: box-shadow 0.3s var(--site-transition), background-color 0.3s var(--site-transition), padding 0.3s var(--site-transition);
}

.site-header.scrolled,
.site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--site-header-shadow-scrolled);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(100% - 48px, var(--site-nav-max-width));
    margin: 0 auto;
    height: 88px;
    gap: 32px;
}

@media (max-width: 991px) {
    .site-header__inner {
        height: 68px;
        width: min(100% - 24px, var(--site-nav-max-width));
        gap: 16px;
    }
}

.site-logo {
    display: inline-flex;
    align-items: center;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-decoration: none;
    font-family: "Poppins", "Microsoft YaHei", sans-serif;
    background: linear-gradient(135deg, #dfb163 0%, #c99d4f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.25s var(--site-transition);
    position: relative;
}

.site-logo::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, #dfb163 0%, #c99d4f 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s var(--site-transition);
}

.site-logo:hover {
    transform: translateY(-2px);
}

.site-logo:hover::after {
    transform: scaleX(1);
}

.site-nav {
    display: flex;
}

.site-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 1px solid rgba(223, 177, 99, 0.35);
    background: rgba(255, 255, 255, 0.7);
    color: var(--site-nav-text);
    cursor: pointer;
    transition: background 0.2s var(--site-transition), box-shadow 0.2s var(--site-transition), border-color 0.2s var(--site-transition);
    position: relative;
}

.site-nav-toggle:hover,
.site-nav-toggle:focus-visible {
    background: rgba(223, 177, 99, 0.12);
    border-color: rgba(223, 177, 99, 0.65);
    outline: none;
    box-shadow: 0 6px 18px rgba(223, 177, 99, 0.28);
}

.site-nav-toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.2s var(--site-transition), opacity 0.2s var(--site-transition);
}

.site-nav-toggle__label {
    position: absolute;
    bottom: -20px;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--site-nav-muted);
}

.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(2) {
    opacity: 0;
}

.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.site-nav--mobile {
    display: none;
}

.site-nav--mobile .site-nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--site-transition), visibility 0.2s var(--site-transition);
    z-index: 1100;
}

.site-nav--mobile .site-nav__drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(86vw, 360px);
    background: #ffffff;
    box-shadow: -10px 0 30px rgba(15, 23, 42, 0.18);
    transform: translateX(100%);
    transition: transform 0.3s var(--site-transition);
    z-index: 1200;
    padding: 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.site-nav--mobile.is-open .site-nav__overlay {
    opacity: 1;
    visibility: visible;
}

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

.site-nav__drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo--drawer {
    font-size: 22px;
    letter-spacing: 0.4px;
}

.site-nav__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid rgba(223, 177, 99, 0.45);
    background: rgba(223, 177, 99, 0.1);
    color: var(--site-nav-text);
    cursor: pointer;
    transition: background 0.2s var(--site-transition), border-color 0.2s var(--site-transition), box-shadow 0.2s var(--site-transition);
}

.site-nav__close:hover,
.site-nav__close:focus-visible {
    background: rgba(223, 177, 99, 0.18);
    border-color: rgba(223, 177, 99, 0.65);
    box-shadow: 0 6px 18px rgba(223, 177, 99, 0.28);
    outline: none;
}

.site-nav__close-icon {
    position: relative;
    width: 16px;
    height: 16px;
}

.site-nav__close-icon::before,
.site-nav__close-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
}

.site-nav__close-icon::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.site-nav__close-icon::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.site-nav__drawer-list,
.site-nav__drawer-sublist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.site-nav__drawer-list {
    padding: 12px;
    background: #ffffff;
    border-radius: 18px;
    box-shadow: inset 0 0 0 1px rgba(223, 177, 99, 0.06), 0 12px 30px rgba(15, 23, 42, 0.08);
}

.site-nav__drawer-link,
.site-nav__drawer-sublink {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid rgba(223, 177, 99, 0.18);
    text-decoration: none;
    color: var(--site-nav-text);
    transition: background 0.2s var(--site-transition), color 0.2s var(--site-transition), transform 0.2s var(--site-transition);
}

.site-nav__drawer-link:hover,
.site-nav__drawer-link:focus-visible,
.site-nav__drawer-sublink:hover,
.site-nav__drawer-sublink:focus-visible {
    background: rgba(223, 177, 99, 0.12);
    color: var(--site-nav-accent);
    transform: translateX(2px);
    outline: none;
}

.site-nav__drawer-link.is-active,
.site-nav__drawer-sublink.is-active {
    background: rgba(223, 177, 99, 0.18);
    color: var(--site-nav-accent);
    box-shadow: 0 8px 16px rgba(223, 177, 99, 0.18);
}

.site-nav__drawer-item--has-children .site-nav__drawer-link {
    position: relative;
}

.site-nav__drawer-link--toggle {
    width: 100%;
    background: #ffffff;
    border: 1px solid rgba(223, 177, 99, 0.18);
    cursor: pointer;
    text-align: left;
}

.site-nav__drawer-link--toggle .site-nav__drawer-caret {
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s var(--site-transition);
}

.site-nav__drawer-item.is-open .site-nav__drawer-caret,
.site-nav__drawer-link--toggle[aria-expanded="true"] .site-nav__drawer-caret {
    transform: rotate(-135deg);
}

.site-nav__drawer-sublink--toggle {
    width: 100%;
    background: #ffffff;
    border: 1px solid rgba(223, 177, 99, 0.18);
    cursor: pointer;
    text-align: left;
}

.site-nav__drawer-sublink--toggle .site-nav__drawer-caret {
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s var(--site-transition);
}

.site-nav__drawer-subitem.is-open .site-nav__drawer-caret,
.site-nav__drawer-sublink--toggle[aria-expanded="true"] .site-nav__drawer-caret {
    transform: rotate(-135deg);
}

.site-nav__drawer-sublist {
    max-height: 0;
    overflow: hidden;
    border-left: 2px solid rgba(223, 177, 99, 0.2);
    margin: 0;
    padding-left: 16px;
    padding-right: 6px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: inset 0 0 0 1px rgba(223, 177, 99, 0.08);
    transition: max-height 0.3s var(--site-transition), opacity 0.2s var(--site-transition);
    opacity: 0;
    position: relative;
}

.site-nav__drawer-sublist.is-open {
    max-height: 480px;
    opacity: 1;
    padding-top: 12px;
    padding-bottom: 12px;
}

.site-nav__drawer-sublink {
    font-size: 14px;
    font-weight: 500;
    background: #ffffff;
}

.site-nav__drawer-sublink .site-nav__badge {
    margin-left: auto;
}

.site-nav__drawer-subitem {
    display: flex;
}

body.is-mobile-nav-open {
    overflow: hidden;
}

.site-nav--desktop {
    flex: 1 1 auto;
    justify-content: flex-end;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 22px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    color: var(--site-nav-text);
    border-radius: 10px;
    position: relative;
    letter-spacing: 0.2px;
    transition: color 0.2s var(--site-transition), transform 0.2s var(--site-transition), box-shadow 0.2s var(--site-transition), background 0.2s var(--site-transition);
}

.site-nav__link::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(223, 177, 99, 0.08) 0%, rgba(201, 157, 79, 0.08) 100%);
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.25s var(--site-transition), transform 0.25s var(--site-transition);
    z-index: -1;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
    color: var(--site-nav-accent);
    outline: none;
}

.site-nav__link:hover::before,
.site-nav__link:focus-visible::before,
.site-nav__link.is-active::before {
    opacity: 1;
    transform: scale(1);
}

.site-nav__link.is-active {
    color: var(--site-nav-accent);
    font-weight: 700;
}

.site-nav__item {
    position: relative;
}

.site-nav__item--has-dropdown .site-nav__link {
    padding-right: 42px;
}

.site-nav__caret {
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s var(--site-transition);
    opacity: 0.65;
}

.site-nav__item--has-dropdown.is-open .site-nav__caret,
.site-nav__link--toggle[aria-expanded="true"] .site-nav__caret {
    transform: rotate(-135deg);
}

.site-nav__link--toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
}

.site-nav__link--toggle:focus-visible {
    box-shadow: 0 0 0 2px rgba(223, 177, 99, 0.35);
}

.site-nav__dropdown {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    min-width: 280px;
    background: #ffffff;
    border-radius: 16px;
    padding: 18px 16px;
    border: 1px solid rgba(223, 177, 99, 0.22);
    box-shadow: 0 22px 45px rgba(15, 23, 42, 0.18);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s var(--site-transition), transform 0.2s var(--site-transition);
}

.site-nav__dropdown--multi {
    min-width: 560px;
    max-width: 800px;
    padding: 20px 18px;
}

.site-nav__dropdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
    position: relative;
}

.site-nav__dropdown-grid::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(223, 177, 99, 0.15);
    transform: translateX(-50%);
    margin: 0 -12px;
}

.site-nav__dropdown-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 0;
}

.site-nav__dropdown-group-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--site-nav-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0 4px 8px;
    border-bottom: 2px solid rgba(223, 177, 99, 0.2);
    margin: 0 0 4px 0;
    white-space: nowrap;
    flex-shrink: 0;
    height: 24px;
    line-height: 16px;
    display: flex;
    align-items: flex-end;
    box-sizing: border-box;
}

.site-nav__dropdown::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    background: inherit;
    border-left: 1px solid rgba(223, 177, 99, 0.22);
    border-top: 1px solid rgba(223, 177, 99, 0.22);
    transform: translateX(-50%) rotate(45deg);
}

.site-nav__dropdown-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-rows: repeat(8, min-content);
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: 6px;
    min-height: 0;
}

.site-nav__dropdown-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: var(--site-nav-text);
    font-size: 14px;
    font-weight: 500;
    padding: 12px 14px;
    border-radius: 10px;
    position: relative;
    transition: transform 0.2s var(--site-transition), color 0.2s var(--site-transition), background 0.2s var(--site-transition);
}

.site-nav__dropdown-link:hover,
.site-nav__dropdown-link:focus-visible {
    color: var(--site-nav-accent);
    transform: translateX(4px);
    background: rgba(223, 177, 99, 0.12);
    outline: none;
}

.site-nav__dropdown-link.is-active {
    color: var(--site-nav-accent);
    font-weight: 600;
    background: rgba(223, 177, 99, 0.16);
}

.site-nav__badge {
    font-size: 12px;
    font-weight: 500;
    color: var(--site-nav-accent);
    background: rgba(223, 177, 99, 0.14);
    padding: 2px 8px;
    border-radius: 999px;
    white-space: nowrap;
}

.site-nav__item--has-dropdown.is-open .site-nav__dropdown,
.site-nav__item--has-dropdown:hover .site-nav__dropdown,
.site-nav__dropdown.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

@media (max-width: 1199px) {
    .site-nav__link {
        padding: 12px 18px;
    }

    .site-nav__dropdown {
        left: auto;
        right: 0;
        transform: translateY(-10px);
    }

    .site-nav__dropdown--multi {
        min-width: 480px;
    }

    .site-nav__item--has-dropdown.is-open .site-nav__dropdown,
    .site-nav__item--has-dropdown:hover .site-nav__dropdown,
    .site-nav__dropdown.is-open {
        transform: translateY(0);
    }
}

@media (max-width: 767px) {
    .site-nav__dropdown--multi {
        min-width: 320px;
    }

    .site-nav__dropdown-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 991px) {
    .site-nav--desktop {
        display: none;
    }

    .site-nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .site-nav--mobile {
        display: block;
    }

    .site-nav-toggle__label {
        display: none;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 64px;
    }
}