.regions-page {
    background: #f8fafc;
}

/* 地区目录本身已展示全国城市，页脚不再重复显示服务地区快捷入口。 */
.regions-page + .service-regions {
    display: none;
}

.regions-hero {
    padding: 148px 0 64px;
    background: linear-gradient(180deg, #eef5ff 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--border-color);
}

.regions-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--text-muted);
    font-size: 14px;
}

.regions-breadcrumb a {
    color: var(--primary-blue);
    text-decoration: none;
}

.regions-hero h1 {
    margin: 0 0 14px;
    color: var(--text-main);
    font-size: clamp(36px, 4vw, 52px);
    line-height: 1.15;
    letter-spacing: -0.04em;
}

.regions-hero p {
    max-width: 100%;
    margin: 0;
    color: var(--text-sub);
    font-size: 17px;
    line-height: 1.8;
    overflow-wrap: anywhere;
}

.province-nav {
    position: sticky;
    top: 72px;
    z-index: 800;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 8px 24px rgba(24, 63, 146, 0.04);
    backdrop-filter: blur(12px);
}

.province-nav-inner {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.province-nav-inner > strong {
    flex: 0 0 auto;
    padding-top: 7px;
    color: var(--text-main);
    font-size: 14px;
}

.province-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.province-tag {
    padding: 7px 12px;
    border-radius: 8px;
    background: #eef2f7;
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

.province-tag:hover,
.province-tag:focus-visible {
    color: #fff;
    background: var(--primary-blue);
    transform: translateY(-1px);
}

.regions-directory {
    padding: 44px 0 96px;
}

.province-block {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    margin-bottom: 20px;
    overflow: hidden;
    scroll-margin-top: 178px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 10px 32px rgba(24, 63, 146, 0.05);
}

.province-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 28px;
    border-right: 1px solid var(--border-color);
    background: #f4f7fb;
}

.province-info h2 {
    margin: 0 0 7px;
    color: var(--text-main);
    font-size: 23px;
    line-height: 1.25;
}

.province-info p {
    margin: 0;
    color: var(--text-muted);
    font-size: 13px;
}

.city-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
    padding: 24px 28px;
}

.city-link {
    display: flex;
    align-items: center;
    min-height: 38px;
    padding: 7px 10px;
    border-radius: 8px;
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 650;
    text-decoration: none;
    transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

.city-link:hover,
.city-link:focus-visible {
    color: var(--primary-blue);
    background: #eef5ff;
    transform: translateX(2px);
}

.regions-contact-note,
.regions-noscript {
    margin-top: 32px;
    padding: 24px;
    border: 1px solid #d9e5f7;
    border-radius: 14px;
    background: #eef5ff;
    color: var(--text-sub);
    text-align: center;
}

.regions-contact-note a {
    color: var(--primary-blue);
    font-weight: 800;
}

@media (max-width: 1100px) {
    .province-nav { top: 68px; }
    .city-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .regions-hero { padding: 116px 0 44px; }
    .regions-hero p { font-size: 16px; }
    .province-nav { position: static; }
    .province-nav-inner { display: block; }
    .province-nav-inner > strong { display: block; padding: 0 0 12px; }
    .province-tags { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x proximity; }
    .province-tag { flex: 0 0 auto; scroll-snap-align: start; }
    .regions-directory { padding: 28px 0 64px; }
    .province-block { grid-template-columns: 1fr; scroll-margin-top: 88px; }
    .province-info { padding: 20px; border-right: 0; border-bottom: 1px solid var(--border-color); }
    .city-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 18px; }
}

@media (max-width: 480px) {
    .regions-hero h1 { font-size: 34px; }
    .city-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; padding: 14px; }
    .city-link { min-height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
    .province-tag,
    .city-link { transition: none; }
}