* {
    box-sizing: border-box;
}

:root {
    --bg: #F3FBFF;
    --white: #FFFFFF;
    --soft: #EAF8FF;
    --soft-2: #F7FCFF;
    --soft-3: #E2F5FF;
    --blue: #22AEEA;
    --blue-dark: #147FB8;
    --text: #1F2D3A;
    --muted: #5C6F82;
    --light-text: #8BA1B5;
    --line: rgba(34,174,234,0.16);
    --shadow: 0 14px 36px rgba(34,174,234,0.12);
    --footer: #0B3D5C;
    --gradient: linear-gradient(135deg, #6DE6FF 0%, #22AEEA 48%, #168DCC 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.78;
    overflow-x: hidden;
}

body.nav-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(34,174,234,0.10);
}

.header-inner {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand-link,
.mobile-logo-link,
.drawer-brand,
.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: var(--blue-dark);
    letter-spacing: .04em;
}

.site-logo {
    width: 128px;
    height: 44px;
    object-fit: contain;
    display: block;
}

.nav-core {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
}

.nav-core a {
    color: var(--blue-dark);
    background: rgba(34,174,234,0.08);
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 9px 16px;
    font-size: 15px;
    white-space: nowrap;
    transition: .25s ease;
}

.nav-core a:hover,
.nav-core a.active {
    color: var(--blue);
    background: linear-gradient(135deg, rgba(109,230,255,0.24), rgba(34,174,234,0.12));
    border-color: rgba(34,174,234,0.22);
    box-shadow: 0 8px 20px rgba(34,174,234,0.10);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.panel-open {
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--blue-dark);
    border-radius: 999px;
    padding: 9px 16px;
    cursor: pointer;
    font: inherit;
    transition: .25s ease;
}

.panel-open:hover {
    color: var(--blue);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 24px;
    border-radius: 999px;
    background: var(--gradient);
    color: #FFFFFF;
    font-weight: 700;
    border: none;
    box-shadow: 0 12px 24px rgba(34,174,234,0.24);
    transition: .25s ease;
    white-space: nowrap;
}

.main-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(22,141,204,0.25);
}

.mobile-header {
    display: none;
}

.mobile-menu-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: #FFFFFF;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 18px;
    height: 2px;
    background: var(--blue-dark);
    border-radius: 99px;
}

.site-main {
    min-height: 60vh;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.section {
    padding: 68px 0;
}

.section.compact {
    padding: 42px 0;
}

.hero-section {
    position: relative;
    padding: 72px 0 42px;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 20%, rgba(109,230,255,0.24) 0%, rgba(109,230,255,0) 30%),
        radial-gradient(circle at 86% 18%, rgba(34,174,234,0.18) 0%, rgba(34,174,234,0) 30%),
        linear-gradient(135deg, #FFFFFF 0%, #F3FBFF 52%, #EAF8FF 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(300px, .97fr);
    gap: 36px;
    align-items: center;
}

.hero-text h1,
.page-hero h1 {
    margin: 12px 0 18px;
    color: var(--blue);
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.14;
    letter-spacing: -0.04em;
}

.hero-text p,
.page-hero p {
    color: var(--muted);
    font-size: 17px;
    margin: 0 0 22px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.text-link {
    color: var(--blue);
    font-weight: 700;
}

.text-link:hover {
    color: var(--blue-dark);
    text-decoration: underline;
}

.section-kicker,
.badge,
.tag,
.label,
.num {
    color: var(--blue);
    font-weight: 800;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(34,174,234,0.10);
    border-radius: 999px;
    letter-spacing: .02em;
}

.hero-visual,
.visual-card {
    background: rgba(255,255,255,0.88);
    border: 1px solid var(--line);
    border-radius: 30px;
    box-shadow: var(--shadow);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.hero-visual::before,
.visual-card::before {
    content: "";
    position: absolute;
    inset: auto -40px -70px auto;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(109,230,255,0.18);
}

.hero-visual img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 330px;
    object-fit: contain;
}

.content-img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    display: block;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.summary-card,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-box,
.mini-card,
.link-card {
    background: #FFFFFF;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    border-radius: 24px;
}

.summary-card {
    padding: 18px;
}

.summary-card strong,
.card h3,
.zone-card h3,
.info-card h3,
.review-card strong,
.link-card h3 {
    color: var(--blue-dark);
}

.summary-card p,
.card p,
.zone-card p,
.info-card p,
.faq-item p,
.notice-box p,
.link-card p {
    color: var(--muted);
    margin: 8px 0 0;
}

.quick-cats {
    margin-top: -8px;
    padding-bottom: 26px;
}

.quick-cat-scroll {
    display: grid;
    grid-template-columns: repeat(8, minmax(120px, 1fr));
    gap: 12px;
}

.quick-cat {
    min-height: 102px;
    padding: 15px;
    border-radius: 999px;
    background: rgba(255,255,255,0.88);
    border: 1px solid var(--line);
    transition: .25s ease;
}

.quick-cat:hover {
    border-color: rgba(34,174,234,0.46);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.quick-cat small {
    display: block;
    color: var(--blue);
    font-weight: 800;
}

.quick-cat strong {
    display: block;
    color: var(--text);
    margin: 3px 0;
}

.quick-cat span {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}

.intro-strip {
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(234,248,255,0.92));
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: var(--shadow);
    color: var(--muted);
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.section-head h2,
.section-title {
    color: var(--blue);
    font-size: clamp(26px, 3vw, 40px);
    margin: 8px 0 0;
    line-height: 1.22;
}

.section-head p {
    max-width: 620px;
    color: var(--muted);
    margin: 0;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

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

.grid-2,
.two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.info-card,
.card,
.link-card {
    padding: 24px;
}

.info-card .num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 15px;
    background: rgba(34,174,234,0.10);
    margin-bottom: 12px;
}

.feature-card {
    padding: 0;
    overflow: hidden;
}

.feature-card img,
.zone-card img {
    width: 100%;
    height: 210px;
    object-fit: contain;
    padding: 14px;
    background: var(--soft-2);
}

.feature-card .card-body,
.zone-card .card-body {
    padding: 22px;
}

.card-list {
    padding-left: 0;
    list-style: none;
    margin: 16px 0 0;
}

.card-list li {
    position: relative;
    padding-left: 18px;
    color: var(--muted);
    margin: 8px 0;
}

.card-list li::before {
    content: "";
    width: 7px;
    height: 7px;
    background: var(--blue);
    border-radius: 50%;
    position: absolute;
    left: 0;
    top: 12px;
}

.app-band {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 26px;
    align-items: center;
    padding: 28px;
    border-radius: 30px;
    background: linear-gradient(135deg, #FFFFFF 0%, #EAF8FF 100%);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.app-band img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
}

.feature-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 18px 0;
}

.feature-points span {
    background: rgba(255,255,255,0.78);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 10px 12px;
    color: var(--blue-dark);
    font-weight: 700;
}

.notice-box {
    padding: 26px;
    background:
        radial-gradient(circle at 10% 20%, rgba(109,230,255,0.16), transparent 30%),
        #FFFFFF;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.review-card {
    padding: 22px;
}

.review-card p {
    color: var(--muted);
    margin: 8px 0 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.faq-item {
    padding: 22px;
}

.faq-item h3 {
    margin: 0;
    color: var(--blue-dark);
}

.about-strip {
    padding: 30px;
    border-radius: 30px;
    background: #FFFFFF;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.reminder {
    background: #EAF8FF;
    border: 1px solid var(--line);
    color: var(--muted);
    padding: 22px;
    border-radius: 24px;
}

.page-hero {
    padding: 64px 0 34px;
    background:
        radial-gradient(circle at 18% 22%, rgba(109,230,255,0.20), transparent 32%),
        linear-gradient(135deg, #FFFFFF 0%, #F3FBFF 60%, #EAF8FF 100%);
}

.page-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 32px;
    align-items: center;
}

.page-hero .visual-card img {
    width: 100%;
    height: 280px;
    object-fit: contain;
}

.page-content {
    padding: 48px 0 70px;
}

.content-block {
    margin-bottom: 30px;
}

.content-block h2 {
    color: var(--blue);
    font-size: 30px;
    margin: 0 0 14px;
}

.content-block p {
    color: var(--muted);
    margin: 0 0 12px;
}

.steps {
    counter-reset: step;
    display: grid;
    gap: 14px;
}

.step {
    counter-increment: step;
    padding: 18px 20px;
    border-radius: 20px;
    background: #FFFFFF;
    border: 1px solid var(--line);
    box-shadow: 0 10px 28px rgba(34,174,234,0.08);
    color: var(--muted);
}

.step::before {
    content: counter(step, decimal-leading-zero);
    color: var(--blue);
    font-weight: 800;
    margin-right: 10px;
}

.service-table {
    width: 100%;
    border-collapse: collapse;
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-table th,
.service-table td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    color: var(--muted);
}

.service-table th {
    color: var(--blue-dark);
    background: #F7FCFF;
}

.service-table tr:last-child td {
    border-bottom: none;
}

.contact-card {
    padding: 24px;
    border-radius: 24px;
    background: #FFFFFF;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.contact-card strong {
    color: var(--blue-dark);
}

.category-panel,
.mobile-drawer {
    position: fixed;
    top: 0;
    height: 100vh;
    background: #FFFFFF;
    box-shadow: 0 18px 48px rgba(34,174,234,0.16);
    z-index: 10000;
    transition: transform .28s ease;
    overflow-y: auto;
}

.category-panel {
    right: 0;
    width: min(440px, 92vw);
    transform: translateX(105%);
    padding: 24px;
}

.category-panel.open {
    transform: translateX(0);
}

.panel-head,
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 22px;
}

.panel-head h2 {
    color: var(--blue);
    margin: 4px 0 0;
}

.close-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: #F7FCFF;
    color: var(--blue-dark);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.panel-group {
    margin-bottom: 20px;
}

.panel-group h3 {
    color: var(--blue);
    margin: 0 0 10px;
}

.panel-group a {
    display: block;
    padding: 13px 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    margin-bottom: 9px;
    background: #F7FCFF;
    transition: .2s ease;
}

.panel-group a strong {
    display: block;
    color: var(--text);
}

.panel-group a span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.panel-group a:hover {
    border-color: rgba(34,174,234,0.42);
    transform: translateX(-2px);
}

.panel-group a:hover strong {
    color: var(--blue);
}

.mobile-drawer {
    left: 0;
    width: 84vw;
    max-width: 320px;
    transform: translateX(-105%);
    padding: 20px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F3FBFF 100%);
}

.mobile-drawer.open {
    transform: translateX(0);
}

.drawer-nav {
    display: grid;
    gap: 8px;
}

.drawer-nav a {
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(255,255,255,0.82);
    border: 1px solid var(--line);
    color: var(--text);
}

.drawer-nav a.active,
.drawer-nav a:hover {
    color: var(--blue);
    background: #EAF8FF;
}

.site-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(11,61,92,0.32);
    opacity: 0;
    visibility: hidden;
    transition: .25s ease;
}

.site-overlay.show {
    opacity: 1;
    visibility: visible;
}

.mobile-bottom-nav {
    display: none;
}

.site-footer {
    background: #0B3D5C;
    color: #EAF8FF;
    padding: 54px 0 24px;
}

.footer-inner {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 42px;
}

.footer-brand p,
.footer-reminder p {
    color: rgba(234,248,255,0.82);
}

.footer-logo {
    color: #EAF8FF;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.footer-links h3 {
    color: #FFFFFF;
    margin: 0 0 12px;
}

.footer-links a {
    display: block;
    color: rgba(234,248,255,0.82);
    margin: 7px 0;
}

.footer-links a:hover {
    color: #6DE6FF;
}

.footer-reminder {
    width: min(1180px, calc(100% - 40px));
    margin: 30px auto 0;
    border-top: 1px solid rgba(234,248,255,0.18);
    padding-top: 18px;
}

@media (max-width: 980px) {
    .desktop-header {
        display: none;
    }

    .mobile-header {
        display: flex;
        min-height: 66px;
        width: min(100%, calc(100% - 24px));
    }

    .mobile-logo-link .site-logo {
        width: 118px;
        height: 40px;
    }

    .mobile-register {
        min-height: 38px;
        padding: 8px 17px;
    }

    .site-main {
        padding-bottom: 70px;
    }

    .hero-section {
        padding: 42px 0 30px;
    }

    .hero-grid,
    .page-hero-grid,
    .app-band,
    .footer-inner {
        grid-template-columns: 1fr;
    }

    .hero-visual img {
        height: 250px;
    }

    .page-hero .visual-card img {
        height: 230px;
    }

    .summary-cards,
    .grid-4,
    .grid-3,
    .grid-2,
    .two-col,
    .review-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .quick-cat-scroll {
        display: flex;
        overflow-x: auto;
        padding-bottom: 10px;
        scroll-snap-type: x proximity;
    }

    .quick-cat {
        min-width: 170px;
        border-radius: 22px;
        scroll-snap-align: start;
    }

    .section {
        padding: 46px 0;
    }

    .section-head {
        display: block;
    }

    .feature-points {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9998;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: #FFFFFF;
        border-top: 1px solid rgba(34,174,234,0.16);
        box-shadow: 0 -8px 24px rgba(34,174,234,0.10);
        padding: 7px 10px calc(7px + env(safe-area-inset-bottom));
    }

    .mobile-bottom-nav a {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        color: var(--muted);
        font-size: 12px;
        line-height: 1.2;
        gap: 2px;
    }

    .mobile-bottom-nav span {
        font-size: 18px;
        color: inherit;
    }

    .mobile-bottom-nav a.active {
        color: var(--blue);
        font-weight: 800;
    }
}

@media (max-width: 560px) {
    .container,
    .header-inner,
    .footer-inner,
    .footer-reminder {
        width: min(100% - 24px, 1180px);
    }

    .hero-text h1,
    .page-hero h1 {
        font-size: 32px;
    }

    .hero-text p,
    .page-hero p {
        font-size: 15px;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .main-btn {
        width: fit-content;
    }

    .mobile-register {
        width: auto;
    }

    .hero-visual,
    .visual-card,
    .app-band,
    .about-strip,
    .notice-box {
        border-radius: 22px;
        padding: 18px;
    }

    .feature-card img,
    .zone-card img {
        height: 170px;
    }

    .content-img {
        max-height: 220px;
    }

    .page-hero {
        padding: 40px 0 26px;
    }

    .service-table {
        display: block;
        overflow-x: auto;
    }
}