.page {
    min-width: 320px;
    overflow: hidden;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    height: 70px;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(230, 236, 246, 0.9);
    backdrop-filter: blur(14px);
}

.nav-wrap {
    width: min(1180px, calc(100% - 40px));
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.menu-btn {
    display: none;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 10px;
    background: var(--blue-light);
    color: var(--blue);
    font-size: 20px;
    cursor: pointer;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 34px;
    flex: 1;
    font-size: 14px;
    color: #26364b;
}

.nav a {
    position: relative;
    padding: 24px 0;
    white-space: nowrap;
}

.nav a.active,
.nav a:hover {
    color: var(--blue);
}

.nav a.active::after,
.nav a:hover::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 16px;
    width: 24px;
    height: 3px;
    border-radius: 999px;
    background: var(--blue);
    transform: translateX(-50%);
}

.footer-band,
.tool-footer {
    background: linear-gradient(135deg, #10233f, #1d3a62);
    color: #ffffff;
    margin-top: 70px;
    padding: 38px 0;
}

.footer-inner,
.tool-footer-inner {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 28px;
    align-items: center;
}

.footer-title,
.tool-footer-title {
    font-size: 20px;
    font-weight: 900;
}

.footer-desc,
.tool-footer-desc {
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
}

.operators {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    flex-direction: row;
    align-items: center;
}

.operator {
    display: flex;
    align-items: center;
    gap: 8px;
    width: auto;
    height: auto;
    color: rgba(255, 255, 255, 0.86);
    font-size: 12px;
    font-weight: 400;
    box-shadow: none;
    background: transparent;
}

.operator i {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    font-style: normal;
    font-weight: 900;
}

.operator span {
    color: rgba(255, 255, 255, 0.86);
    line-height: 1.35;
}

.footer-notice {
    max-width: 460px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
    line-height: 1.8;
}

.footer-notice span {
    color: rgba(255, 255, 255, 0.92);
    font-weight: 800;
}

.footer-notice a {
    color: rgba(255, 255, 255, 0.88);
}

.footer-notice a:hover {
    color: #ffffff;
}

.city-landing {
    margin: 0 0 28px;
    padding: 26px;
    border-radius: 24px;
    background:
        radial-gradient(circle at 94% 0, rgba(47, 129, 247, 0.14), transparent 30%),
        linear-gradient(135deg, #ffffff, #f7fbff);
    border: 1px solid #dfeafa;
    box-shadow: 0 16px 38px rgba(33, 88, 154, 0.07);
}

.city-landing-head {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
}

.city-landing-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(28, 119, 242, 0.1);
    color: #1569d8;
    font-size: 13px;
    font-weight: 900;
    margin-bottom: 12px;
}

.city-landing h2 {
    margin: 0;
    color: #132946;
    font-size: clamp(22px, 2.5vw, 30px);
    font-weight: 900;
}

.city-landing-head p {
    max-width: 780px;
    margin-top: 10px;
    color: #53677f;
    font-size: 15px;
    line-height: 1.8;
}

.city-landing-mark {
    width: 112px;
    height: 112px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: 28px;
    background: linear-gradient(145deg, #1677f2, #20a0ff);
    color: #ffffff;
    box-shadow: 0 18px 34px rgba(22, 119, 242, 0.22);
}

.city-landing-mark strong,
.city-landing-mark span {
    display: block;
    text-align: center;
}

.city-landing-mark strong {
    font-size: 25px;
    font-weight: 900;
}

.city-landing-mark span {
    margin-top: 4px;
    font-size: 12px;
    opacity: 0.76;
}

.city-landing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 20px;
}

.city-landing-card {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid #e2ecfa;
}

.city-landing-card h3 {
    color: #20344f;
    font-size: 16px;
    font-weight: 900;
}

.city-landing-card p {
    margin-top: 8px;
    color: #657891;
    font-size: 13px;
    line-height: 1.7;
}

.city-landing-links {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.city-landing-links a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px 16px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid #e1ebf8;
    color: #20344f;
}

.city-landing-links strong {
    font-size: 15px;
    font-weight: 900;
}

.city-landing-links span {
    color: #718299;
    font-size: 12px;
}

@media (max-width: 1100px) {
    .nav {
        gap: 18px;
    }

    .service {
        display: none;
    }
}

@media (max-width: 960px) {
    .topbar {
        height: auto;
    }

    .nav-wrap {
        position: relative;
        min-height: 64px;
        width: min(100% - 28px, 1180px);
    }

    .menu-btn {
        display: grid;
        place-items: center;
        margin-left: auto;
    }

    .nav {
        position: absolute;
        left: 0;
        right: 0;
        top: 64px;
        z-index: 40;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 10px;
        border-radius: 18px;
        background: #ffffff;
        box-shadow: var(--shadow);
    }

    .nav.open {
        display: flex;
    }

    .nav a {
        padding: 12px 14px;
        border-radius: 12px;
    }

    .nav a::after {
        display: none;
    }
}

@media (max-width: 860px) {
    .footer-inner,
    .tool-footer-inner {
        width: min(100% - 28px, 1180px);
        align-items: flex-start;
        flex-direction: column;
    }

    .city-landing-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .city-landing-grid,
    .city-landing-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .brand-sub {
        display: none;
    }

    .footer-band,
    .tool-footer {
        padding: 34px 0;
    }

    .city-landing {
        padding: 20px;
        border-radius: 20px;
    }

    .city-landing-mark {
        width: 100%;
        height: auto;
        min-height: 76px;
        justify-items: start;
        padding: 16px 18px;
    }

    .city-landing-mark strong,
    .city-landing-mark span {
        text-align: left;
    }

    .city-landing-grid,
    .city-landing-links {
        grid-template-columns: 1fr;
    }
}
