/* 七页共用的唯一页头实现。必须作为最后一个 CSS 文件加载。 */
body.home-page,
body.site-page {
    padding-top: var(--header-h);
}

body.home-page,
body.site-page.immersive-page {
    padding-top: 0;
}

body.home-page .site-header,
body.home-page .site-header:not(.scrolled),
body.site-page .site-header,
body.site-page .site-header:not(.scrolled) {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    width: 100%;
    height: var(--header-h);
    background: rgba(250, 247, 240, .97);
    border-bottom: 1px solid var(--line);
    box-shadow: none;
    backdrop-filter: blur(14px);
}

body.home-page .site-header:not(.scrolled) {
    background: rgba(238, 245, 243, .36);
    border-bottom-color: rgba(255, 255, 255, .32);
    box-shadow: none;
    backdrop-filter: blur(13px) saturate(112%);
}

body.site-page.immersive-page .site-header:not(.scrolled) {
    background: rgba(238, 245, 243, .36);
    border-bottom-color: rgba(255, 255, 255, .32);
    box-shadow: none;
    backdrop-filter: blur(13px) saturate(112%);
}

body.home-page .site-header.scrolled,
body.site-page .site-header.scrolled {
    background: rgba(250, 247, 240, .99);
    border-bottom-color: var(--line);
    box-shadow: 0 10px 35px rgba(55, 55, 45, .05);
}

body.home-page .site-header-inner,
body.site-page .site-header-inner {
    width: min(var(--container), calc(100% - 80px));
    max-width: none;
    height: 100%;
    min-height: 0;
    margin-inline: auto;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

body.home-page .site-logo,
body.site-page .site-logo {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    color: var(--ink);
    text-decoration: none;
    white-space: nowrap;
}

body.home-page .site-logo img,
body.site-page .site-logo img {
    width: 116px;
    height: auto;
    flex: 0 0 auto;
    display: block;
}

body.home-page .site-logo span,
body.site-page .site-logo span {
    padding-left: 15px;
    border-left: 1px solid var(--line-strong);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 18px;
    font-weight: 650;
    letter-spacing: .04em;
    line-height: 1;
    height: 30px;
    display: inline-flex;
    align-items: center;
}

body.home-page .site-nav,
body.site-page .site-nav {
    position: static;
    inset: auto;
    max-height: none;
    padding: 0;
    border: 0;
    background: transparent;
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.1vw, 36px);
    opacity: 1;
    overflow: visible;
    pointer-events: auto;
}

body.home-page .site-nav a,
body.site-page .site-nav a {
    position: relative;
    padding: 30px 0 24px;
    border: 0;
    color: var(--ink);
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 550;
    line-height: 1.7;
    white-space: nowrap;
}

body.home-page .site-nav a::after,
body.site-page .site-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 18px;
    left: 0;
    width: auto;
    height: 1px;
    background: var(--brass);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--ease);
}

body.home-page .site-nav a:hover::after,
body.home-page .site-nav a.active::after,
body.site-page .site-nav a:hover::after,
body.site-page .site-nav a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

body.home-page .site-nav a.active,
body.site-page .site-nav a.active {
    color: var(--brass);
}

body.home-page .mobile-menu-btn,
body.site-page .mobile-menu-btn {
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 0;
    background: transparent;
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
}

body.home-page .mobile-menu-btn span,
body.site-page .mobile-menu-btn span {
    width: 24px;
    height: 1px;
    margin: 0;
    flex: 0 0 1px;
    background: var(--ink);
}

@media (max-width: 1080px) {
    body.home-page .site-header-inner,
    body.site-page .site-header-inner { width: calc(100% - 48px); }
    body.home-page .site-logo img,
    body.site-page .site-logo img { width: 104px; }
    body.home-page .site-nav,
    body.site-page .site-nav { gap: 17px; }
    body.home-page .site-nav a,
    body.site-page .site-nav a { font-size: 13px; }
}

@media (max-width: 820px) {
    body.home-page .site-header-inner,
    body.site-page .site-header-inner { width: calc(100% - 36px); }
    body.home-page .site-logo img,
    body.site-page .site-logo img { width: 96px; }
    body.home-page .site-logo span,
    body.site-page .site-logo span { height: 26px; padding-left: 11px; font-size: 15px; }
    body.home-page .mobile-menu-btn,
    body.site-page .mobile-menu-btn { display: flex; }
    body.home-page .site-nav,
    body.site-page .site-nav {
        position: fixed;
        inset: var(--header-h) 0 auto;
        max-height: calc(100vh - var(--header-h));
        padding: 14px 24px 20px;
        background: rgba(250, 247, 240, .99);
        border-bottom: 1px solid transparent;
        display: grid;
        gap: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        pointer-events: none;
        transition: transform var(--ease), opacity var(--ease), visibility 0s linear var(--ease), border-color var(--ease);
    }
    body.home-page .site-nav.active,
    body.site-page .site-nav.active {
        border-bottom-color: var(--line);
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
        transition-delay: 0s;
    }
    body.home-page .site-nav a,
    body.site-page .site-nav a {
        padding: 14px 4px;
        border-bottom: 1px solid var(--line);
        font-family: var(--serif);
        font-size: 19px;
    }
    body.home-page .site-nav a::after,
    body.site-page .site-nav a::after { display: none; }
}

@media (max-width: 540px) {
    body.home-page .site-header-inner,
    body.site-page .site-header-inner { width: calc(100% - 28px); }
    body.home-page .site-logo span,
    body.site-page .site-logo span { display: none; }
}

/* 七页统一页脚。显式覆盖页面旧样式及 HTML 图片高度提示，避免品牌标志被纵向拉伸。 */
body.home-page .site-footer,
body.site-page .site-footer {
    padding: 0;
    border-top: 1px solid var(--line);
    background: #e9e5dc;
    color: var(--muted);
}

body.home-page .site-footer-inner,
body.site-page .site-footer-inner {
    width: min(var(--container), calc(100% - 80px));
    max-width: none;
    min-height: 112px;
    margin-inline: auto;
    padding: 28px 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 28px;
    color: #5f635c;
    font-size: 12px;
}

body.home-page .site-footer-brand,
body.site-page .site-footer-brand {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: var(--ink);
    font-weight: 650;
    line-height: 1;
}

body.home-page .site-footer-brand img,
body.site-page .site-footer-brand img {
    width: 96px;
    height: auto !important;
    aspect-ratio: 1731 / 344;
    object-fit: contain;
    flex: 0 0 auto;
    display: block;
}

body.home-page .site-footer-brand span,
body.site-page .site-footer-brand span {
    min-height: 28px;
    padding-left: 14px;
    border-left: 1px solid #bcb7ac;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

body.home-page .site-footer-inner p,
body.site-page .site-footer-inner p {
    margin: 0;
    text-align: center;
}

body.home-page .site-footer nav,
body.site-page .site-footer nav {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 24px;
}

body.home-page .site-footer a,
body.site-page .site-footer a {
    text-decoration: none;
}

body.home-page .site-footer nav a,
body.site-page .site-footer nav a {
    color: #5f635c;
    transition: color var(--ease);
}

body.home-page .site-footer nav a:hover,
body.site-page .site-footer nav a:hover {
    color: var(--ink);
}

@media (min-width: 821px) and (max-width: 1080px) {
    body.home-page .site-footer-inner,
    body.site-page .site-footer-inner {
        grid-template-columns: auto minmax(0, 1fr);
        gap: 14px 28px;
    }

    body.home-page .site-footer-inner p,
    body.site-page .site-footer-inner p {
        grid-column: 1 / -1;
        justify-self: start;
        text-align: left;
    }
}

@media (max-width: 820px) {
    body.home-page .site-footer-inner,
    body.site-page .site-footer-inner {
        width: calc(100% - 36px);
        min-height: 0;
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 18px;
        text-align: center;
    }

    body.home-page .site-footer nav,
    body.site-page .site-footer nav { justify-self: center; }
}

@media (max-width: 420px) {
    body.home-page .site-footer nav,
    body.site-page .site-footer nav { gap: 18px; }
    body.home-page .site-footer-brand img,
    body.site-page .site-footer-brand img { width: 88px; }
}

.site-language-switch {
    display: inline-flex;
    width: 96px;
    height: 36px;
    align-items: center;
    padding: 3px;
    border: 1px solid rgba(73, 91, 116, .16);
    border-radius: 999px;
    background: transparent;
    box-shadow: none;
    color: #5c6470;
    white-space: nowrap;
}

.site-language-switch a {
    flex: 1;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 999px;
    color: inherit;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0;
    text-decoration: none;
    transition: color var(--ease), background-color var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.site-language-switch a[aria-current="page"] {
    border-color: rgba(113, 137, 170, .28);
    background: rgba(202, 219, 244, .46);
    box-shadow: none;
    color: #273241;
    font-weight: 700;
}

.site-language-switch a:not([aria-current="page"]):hover {
    color: #273241;
}

.site-language-switch a:focus-visible {
    outline: 2px solid #4676af;
    outline-offset: 2px;
}

@media (max-width: 860px) {
    .site-language-switch { margin-inline-start: auto; }
}