.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 1);
    border-bottom: 1px solid rgba(219, 228, 244, 0.88);
    backdrop-filter: blur(16px);
    transition: box-shadow 0.2s ease, background 0.2s ease;
}

.site-header.is-scrolled {
    box-shadow: var(--wendu-shadow-soft);
}

.site-header__inner {
    min-height: var(--wendu-header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    font-weight: 700;
}

.site-brand__logo img {
    max-height: 54px;
    width: auto;
}

.site-brand__mark {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0) 30%),
        linear-gradient(135deg, #57c953 0%, #2a8fd8 55%, #0b5fcf 100%);
    box-shadow: 0 8px 18px rgba(31, 97, 255, 0.18);
    flex: 0 0 auto;
}

.site-brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.site-brand__text strong {
    font-size: 20px;
}

.site-brand__text small {
    margin-top: 3px;
    color: var(--wendu-muted);
    font-size: 12px;
}

.site-nav {
    display: flex;
    align-items: center;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__item {
    margin: 0;
}

.site-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: var(--wendu-header-height);
    color: #24324d;
    font-size: 15px;
    font-weight: 600;
}

.site-nav__link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 16px;
    width: 0;
    height: 3px;
    border-radius: 999px;
    background: var(--wendu-blue);
    transform: translateX(-50%);
    transition: width 0.2s ease;
}

.site-nav__link:hover,
.current-menu-item > .site-nav__link,
.current_page_item > .site-nav__link {
    color: var(--wendu-blue);
}

.site-nav__link:hover::after,
.current-menu-item > .site-nav__link::after,
.current_page_item > .site-nav__link::after {
    width: 100%;
}

.site-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 14px;
    border: 1px solid var(--wendu-border);
    background: #fff;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.site-nav-toggle span {
    width: 18px;
    height: 2px;
    border-radius: 99px;
    background: var(--wendu-blue-dark);
    display: block;
}

.site-footer {
    margin-top: 0;
    background: #0a429f;
    color: #fff;
}

.site-footer__grid {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    padding: 54px 0 36px;
    align-items: flex-start;
}

.site-footer__brand h2 {
    margin: 0 0 18px;
    font-size: 28px;
}

.site-footer__menu,
.site-footer .site-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 26px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-footer__menu a,
.site-footer .site-nav__link {
    color: rgba(255, 255, 255, 0.78);
    min-height: auto;
}

.site-footer .site-nav__link::after {
    bottom: -6px;
}

.site-footer__hotline {
    margin-top: 28px;
}

.site-footer__hotline span {
    display: block;
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
}

.site-footer__hotline strong {
    display: block;
    font-size: 28px;
    letter-spacing: 0.02em;
}

.site-footer__qrcode {
    width: 120px;
    text-align: center;
    color: rgba(255, 255, 255, 0.72);
}

.site-footer__qrcode-box {
    width: 92px;
    height: 92px;
    margin: 0 auto 10px;
    border-radius: 14px;
    border: 6px solid rgba(255, 255, 255, 0.34);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(234, 243, 255, 0.88)),
        repeating-linear-gradient(0deg, rgba(10, 66, 159, 0.14) 0 6px, transparent 6px 12px),
        repeating-linear-gradient(90deg, rgba(10, 66, 159, 0.14) 0 6px, transparent 6px 12px);
    background-blend-mode: multiply;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.03);
}

.site-footer__meta {
    padding: 16px 0 22px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.46);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.archive-section,
.single-section,
.page-section {
    padding: 64px 0 84px;
}

.entry-page,
.entry-detail {
    background: #fff;
    border: 1px solid rgba(219, 228, 244, 0.9);
    border-radius: 28px;
    box-shadow: var(--wendu-shadow);
}