:root {
    --geo-navy: #101d36;
    --geo-blue: #176bff;
    --geo-cyan: #37c3f1;
    --geo-slate: #687691;
    --geo-cloud: #f4f8ff;
    --geo-line: #dfe8f7;
}

.geo-page {
    overflow: hidden;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

.geo-hero {
    position: relative;
    overflow: hidden;
    padding: 88px 0 82px;
    color: #fff;
    background: var(--geo-navy);
}

.geo-hero::before,
.geo-hero::after {
    position: absolute;
    content: "";
    pointer-events: none;
}

.geo-hero::before {
    inset: 0;
    opacity: .46;
    background-image: linear-gradient(rgba(111, 180, 255, .13) 1px, transparent 1px), linear-gradient(90deg, rgba(111, 180, 255, .13) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: linear-gradient(90deg, #000, rgba(0, 0, 0, .12));
}

.geo-hero::after {
    width: 470px;
    height: 470px;
    right: -120px;
    top: -225px;
    border: 1px solid rgba(87, 202, 255, .5);
    border-radius: 50%;
    box-shadow: 0 0 0 54px rgba(46, 159, 255, .08), 0 0 0 110px rgba(46, 159, 255, .06);
}

.geo-hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
    gap: 72px;
    align-items: end;
}

.geo-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: #9bdff7;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .16em;
}

.geo-kicker::before {
    width: 26px;
    height: 2px;
    background: var(--geo-cyan);
    content: "";
}

.geo-hero h1 {
    max-width: 760px;
    margin: 0;
    font-family: "Songti SC", "STSong", serif;
    font-size: clamp(38px, 4.4vw, 64px);
    font-weight: 700;
    letter-spacing: -.04em;
    line-height: 1.18;
}

.geo-hero__lead {
    max-width: 680px;
    margin: 24px 0 0;
    color: #d4e1f8;
    font-size: 18px;
    line-height: 1.9;
}

.geo-index {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    overflow: hidden;
    border: 1px solid rgba(167, 204, 255, .28);
    background: rgba(167, 204, 255, .28);
}

.geo-index__item {
    min-height: 112px;
    padding: 20px;
    background: rgba(12, 29, 57, .76);
}

.geo-index__value {
    display: block;
    color: #fff;
    font-family: "Songti SC", "STSong", serif;
    font-size: 30px;
    font-weight: 700;
    line-height: 1;
}

.geo-index__label {
    display: block;
    margin-top: 11px;
    color: #a6b8d4;
    font-size: 13px;
    line-height: 1.5;
}

.geo-section {
    padding: 92px 0;
}

.geo-section--soft {
    background: var(--geo-cloud);
}

.geo-section--dark {
    color: #fff;
    background: #142746;
}

.geo-section__top {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 36px;
    margin-bottom: 40px;
}

.geo-section__eyebrow {
    margin: 0 0 12px;
    color: var(--geo-blue);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .12em;
}

.geo-section--dark .geo-section__eyebrow {
    color: #6cd8fa;
}

.geo-section h2 {
    margin: 0;
    color: var(--geo-navy);
    font-family: "Songti SC", "STSong", serif;
    font-size: clamp(30px, 3.2vw, 45px);
    font-weight: 700;
    letter-spacing: -.03em;
    line-height: 1.28;
}

.geo-section--dark h2 {
    color: #fff;
}

.geo-section__intro {
    max-width: 450px;
    margin: 0;
    color: var(--geo-slate);
    font-size: 16px;
    line-height: 1.9;
}

.geo-section--dark .geo-section__intro {
    color: #b7c8e3;
}

.geo-answer {
    position: relative;
    padding: 28px 32px 29px;
    border: 1px solid var(--geo-line);
    background: #fff;
    box-shadow: 0 22px 46px rgba(17, 42, 83, .07);
}

.geo-answer::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 5px;
    background: var(--geo-cyan);
    content: "";
}

.geo-answer__label {
    display: block;
    margin-bottom: 11px;
    color: var(--geo-blue);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
}

.geo-answer p {
    margin: 0;
    color: #273a59;
    font-size: 18px;
    line-height: 1.85;
}

.geo-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.geo-card {
    position: relative;
    min-height: 280px;
    padding: 32px;
    overflow: hidden;
    border: 1px solid var(--geo-line);
    background: #fff;
    box-shadow: 0 16px 38px rgba(22, 51, 97, .05);
    transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.geo-card::after {
    position: absolute;
    right: 26px;
    bottom: 20px;
    color: #e1eafa;
    font-family: "Songti SC", "STSong", serif;
    font-size: 66px;
    font-weight: 700;
    line-height: 1;
    content: attr(data-index);
}

.geo-card:hover {
    border-color: rgba(23, 107, 255, .36);
    box-shadow: 0 26px 52px rgba(20, 70, 151, .13);
    transform: translateY(-5px);
}

.geo-card__type {
    display: block;
    margin-bottom: 26px;
    color: var(--geo-blue);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
}

.geo-card h3,
.geo-fact h3 {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--geo-navy);
    font-size: 24px;
    line-height: 1.38;
}

.geo-card p {
    position: relative;
    z-index: 1;
    margin: 16px 0 24px;
    color: var(--geo-slate);
    font-size: 16px;
    line-height: 1.8;
}

.geo-link {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--geo-blue);
    font-size: 15px;
    font-weight: 700;
}

.geo-link::after {
    font-size: 19px;
    line-height: 1;
    content: "→";
    transition: transform .18s ease;
}

.geo-link:hover::after {
    transform: translateX(4px);
}

.geo-path {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    border: 1px solid rgba(172, 206, 250, .26);
}

.geo-path li {
    position: relative;
    min-height: 240px;
    padding: 32px 30px;
    border-right: 1px solid rgba(172, 206, 250, .26);
}

.geo-path li:last-child {
    border-right: 0;
}

.geo-path__number {
    display: block;
    margin-bottom: 50px;
    color: #6cd8fa;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .14em;
}

.geo-path h3 {
    margin: 0 0 12px;
    color: #fff;
    font-size: 20px;
    line-height: 1.4;
}

.geo-path p {
    margin: 0;
    color: #b7c8e3;
    font-size: 15px;
    line-height: 1.8;
}

.geo-fact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.geo-fact {
    padding: 30px 28px;
    border-top: 3px solid var(--geo-blue);
    background: #fff;
    box-shadow: 0 14px 34px rgba(16, 41, 82, .06);
}

.geo-fact h3 {
    font-size: 19px;
}

.geo-fact p {
    margin: 15px 0 0;
    color: var(--geo-slate);
    font-size: 15px;
    line-height: 1.8;
}

.geo-faq {
    border-top: 1px solid var(--geo-line);
}

.geo-faq details {
    border-bottom: 1px solid var(--geo-line);
}

.geo-faq summary {
    position: relative;
    padding: 23px 46px 23px 0;
    color: var(--geo-navy);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.55;
    cursor: pointer;
    list-style: none;
}

.geo-faq summary::-webkit-details-marker {
    display: none;
}

.geo-faq summary::after {
    position: absolute;
    top: 22px;
    right: 4px;
    color: var(--geo-blue);
    font-size: 24px;
    font-weight: 400;
    content: "+";
    transition: transform .18s ease;
}

.geo-faq details[open] summary::after {
    transform: rotate(45deg);
}

.geo-faq__answer {
    max-width: 900px;
    padding: 0 24px 24px 0;
    color: var(--geo-slate);
    font-size: 16px;
    line-height: 1.9;
}

.geo-faq__answer p {
    margin: 0;
}

.geo-contact {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: center;
    padding: 46px 52px;
    overflow: hidden;
    color: #fff;
    background: linear-gradient(116deg, #176bff 0%, #0f3c98 100%);
}

.geo-contact::after {
    position: absolute;
    width: 280px;
    height: 280px;
    right: -72px;
    bottom: -162px;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 50%;
    box-shadow: 0 0 0 38px rgba(255, 255, 255, .08);
    content: "";
}

.geo-contact h2 {
    position: relative;
    z-index: 1;
    margin: 0 0 12px;
    color: #fff;
    font-size: 31px;
}

.geo-contact p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: #d7e7ff;
    font-size: 16px;
    line-height: 1.8;
}

.geo-contact__action {
    position: relative;
    z-index: 1;
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 164px;
    padding: 14px 0 14px 24px;
    border-left: 1px solid rgba(255, 255, 255, .45);
}

.geo-contact__label {
    color: #bcd8ff;
    font-size: 13px;
}

.geo-contact__value {
    margin-top: 7px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.geo-breadcrumb {
    padding: 17px 0;
    border-bottom: 1px solid var(--geo-line);
    color: var(--geo-slate);
    font-size: 14px;
}

.geo-breadcrumb a {
    color: var(--geo-slate);
}

.geo-breadcrumb a:hover {
    color: var(--geo-blue);
}

.geo-breadcrumb span {
    padding: 0 8px;
    color: #a3b0c3;
}

.geo-note {
    margin: 28px 0 0;
    color: var(--geo-slate);
    font-size: 14px;
    line-height: 1.8;
}

@media (max-width: 900px) {
    .geo-hero {
        padding: 68px 0 64px;
    }

    .geo-hero__inner,
    .geo-section__top,
    .geo-contact {
        grid-template-columns: 1fr;
    }

    .geo-hero__inner,
    .geo-section__top {
        gap: 34px;
    }

    .geo-index {
        max-width: 420px;
    }

    .geo-path {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .geo-path li:nth-child(2) {
        border-right: 0;
    }

    .geo-path li:nth-child(-n + 2) {
        border-bottom: 1px solid rgba(172, 206, 250, .26);
    }

    .geo-fact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .geo-hero {
        padding: 52px 0;
    }

    .geo-hero h1 {
        font-size: 38px;
    }

    .geo-hero__lead,
    .geo-answer p {
        font-size: 16px;
    }

    .geo-section {
        padding: 62px 0;
    }

    .geo-section__top {
        margin-bottom: 28px;
    }

    .geo-card-grid,
    .geo-path,
    .geo-fact-grid {
        grid-template-columns: 1fr;
    }

    .geo-card,
    .geo-answer {
        padding: 25px 22px;
    }

    .geo-path li,
    .geo-path li:nth-child(2) {
        min-height: 0;
        border-right: 0;
        border-bottom: 1px solid rgba(172, 206, 250, .26);
    }

    .geo-path li:last-child {
        border-bottom: 0;
    }

    .geo-path__number {
        margin-bottom: 26px;
    }

    .geo-contact {
        padding: 34px 26px;
        gap: 22px;
    }

    .geo-contact h2 {
        font-size: 28px;
    }

    .geo-contact__action {
        padding-left: 16px;
    }
}