/* Shared site shell. SiteShell loads this after each page stylesheet so the
   global navigation and footer keep one geometry across every route. */
body[data-page] {
    --header-height: 78px;
    --site-shell-blue: #075fd8;
    --site-shell-blue-deep: #064aa4;
    --site-shell-ink: #102238;
    --site-shell-muted: #b9c6d2;
    --site-shell-footer: #172a3d;
    --site-shell-tab-hover: #f5f8fc;
    --site-shell-tab-active: #edf5ff;
    --site-shell-tab-border: #d7e4f2;
}

body[data-page].nav-open {
    overflow: hidden;
}

body[data-page] .skip-link {
    position: fixed;
    top: 12px;
    left: max(12px, env(safe-area-inset-left));
    z-index: 3000;
    padding: 10px 14px;
    color: #ffffff;
    background: var(--site-shell-ink);
    border-radius: 2px;
    box-shadow: none;
    font-size: 14px;
    font-weight: 650;
    text-decoration: none;
    transform: translateY(-180%);
    transition: transform 180ms ease;
}

body[data-page] .skip-link:focus-visible {
    outline: 2px solid #8dbaff;
    outline-offset: 2px;
    box-shadow: none;
    transform: translateY(0);
}

body[data-page] :is(.site-header a, .site-header button, .site-footer a, .back-to-top) {
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(7, 95, 216, 0.12);
}

body[data-page] .site-header,
body[data-page] .site-header.is-scrolled {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    height: var(--header-height);
    color: var(--site-shell-ink);
    background: #ffffff;
    border-bottom: 1px solid rgba(216, 225, 234, 0.78);
    box-shadow: inset 0 2px 0 var(--site-shell-blue);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    transition: background-color 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

body[data-page] .site-header.is-scrolled {
    border-bottom-color: #d8e0e8;
    box-shadow: inset 0 2px 0 var(--site-shell-blue), 0 8px 24px rgba(17, 42, 70, 0.065);
}

/* The homepage hero and header share one continuous first-screen canvas. */
body[data-page="home"] .site-header:not(.is-scrolled) {
    background: transparent;
    border-bottom-color: transparent;
    box-shadow: none;
    backdrop-filter: none;
}

body[data-page="home"] .site-header:not(.is-scrolled)::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    height: 1px;
    background: rgba(116, 139, 169, 0.22);
    content: "";
    pointer-events: none;
}

body[data-page]:not([data-page="home"]) #main-content {
    padding-top: var(--header-height);
}

body[data-page] .site-header .nav-shell {
    width: min(calc(100% - 64px), 1280px);
    height: 100%;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 38px;
    margin-inline: auto;
}

body[data-page] .site-header .brand-link {
    min-width: 132px;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 0;
    text-decoration: none;
}

body[data-page] .site-header .brand-link img,
body[data-page] .site-header.is-scrolled .brand-link img {
    width: 132px;
    height: auto;
    max-height: 56px;
    padding: 0;
    object-fit: contain;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    filter: none;
}

body[data-page] .site-header .site-nav {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    margin-left: auto;
}

body[data-page] .site-header .site-nav .nav-link:not(.nav-contact),
body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact) {
    position: relative;
    height: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding-inline: 14px;
    color: #344459;
    background: transparent;
    border: 0;
    font-family: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    text-shadow: none;
    white-space: nowrap;
    transition: color 180ms ease;
}

body[data-page] .site-header .site-nav .nav-link:not(.nav-contact)::after,
body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact)::after {
    position: absolute;
    top: calc(50% + 14px);
    right: 14px;
    bottom: auto;
    left: 14px;
    width: auto;
    height: 2px;
    display: block;
    content: "";
    background: var(--site-shell-blue);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 180ms ease;
}

body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):hover,
body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):focus-visible,
body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact):hover,
body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact):focus-visible {
    color: var(--site-shell-blue-deep);
}

body[data-page] .site-header .site-nav .nav-link:not(.nav-contact)[aria-current="page"],
body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact)[aria-current="page"] {
    color: var(--site-shell-blue);
    font-weight: 680;
}

body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):hover::after,
body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):focus-visible::after,
body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact):hover::after,
body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact):focus-visible::after {
    transform: scaleX(1);
}

body[data-page] .site-header .site-nav .nav-link:not(.nav-contact)[aria-current="page"]::after,
body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact)[aria-current="page"]::after {
    transform: scaleX(1);
}

body[data-page] .site-header .site-nav .nav-contact,
body[data-page] .site-header.is-scrolled .site-nav .nav-contact,
.js body[data-page] .site-header .site-nav .nav-contact {
    min-width: 118px;
    width: auto;
    height: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    gap: 8px;
    margin: 0 0 0 8px;
    padding-inline: 17px;
    color: #ffffff;
    background: var(--site-shell-blue);
    border: 1px solid var(--site-shell-blue);
    border-radius: 2px;
    box-shadow: none;
    font-size: 14px;
    font-weight: 650;
    transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

body[data-page] .site-header .site-nav .nav-contact:hover,
body[data-page] .site-header .site-nav .nav-contact:focus-visible,
body[data-page] .site-header.is-scrolled .site-nav .nav-contact:hover,
body[data-page] .site-header.is-scrolled .site-nav .nav-contact:focus-visible {
    color: #ffffff;
    background: var(--site-shell-blue-deep);
    border-color: var(--site-shell-blue-deep);
}

body[data-page] .site-header .site-nav .nav-contact svg {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
    transition: transform 180ms ease;
}

body[data-page] .site-header .site-nav .nav-contact:hover svg,
body[data-page] .site-header .site-nav .nav-contact:focus-visible svg {
    transform: translateX(2px);
}

body[data-page] .site-header .nav-toggle,
body[data-page] .site-header.is-scrolled .nav-toggle {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    color: var(--site-shell-ink);
    background: #ffffff;
    border: 1px solid #c8d2dc;
    border-radius: 2px;
    box-shadow: none;
    cursor: pointer;
    transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

body[data-page] .site-header .nav-toggle {
    display: none;
    place-items: center;
    padding: 0;
}

body[data-page] .site-header .nav-toggle svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

body[data-page] .site-header .nav-toggle-close,
body[data-page] .site-header .nav-toggle[aria-expanded="true"] .nav-toggle-open {
    display: none;
}

body[data-page] .site-header .nav-toggle[aria-expanded="true"] .nav-toggle-close {
    display: block;
}

body[data-page] .site-header .nav-toggle:hover,
body[data-page] .site-header .nav-toggle:active,
body[data-page] .site-header.is-scrolled .nav-toggle:hover,
body[data-page] .site-header.is-scrolled .nav-toggle:active {
    color: var(--site-shell-blue);
    background: #f4f7fb;
    border-color: #9ba9b8;
}

body[data-page] .site-header :is(.brand-link, .nav-link, .nav-toggle):focus-visible,
body[data-page] .site-footer a:focus-visible,
body[data-page] .back-to-top:focus-visible {
    outline: 2px solid #6fa6f4;
    outline-offset: 2px;
    box-shadow: none;
}

body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):focus-visible {
    outline-offset: -4px;
}

body[data-page] .site-footer {
    padding: 0;
    color: var(--site-shell-muted);
    background: var(--site-shell-footer);
    border-top: 1px solid rgba(183, 205, 224, 0.14);
    font-family: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}

body[data-page] .site-footer .footer-top,
body[data-page] .site-footer .footer-bottom {
    width: min(calc(100% - 64px), 1280px);
    margin-inline: auto;
}

body[data-page] .site-footer .footer-top {
    display: grid;
    grid-template-columns: minmax(330px, 1.75fr) minmax(120px, 0.65fr) minmax(120px, 0.65fr) minmax(230px, 1fr);
    gap: clamp(36px, 5vw, 72px);
    padding: 50px 0 40px;
}

body[data-page] .site-footer .footer-brand {
    min-width: 0;
}

body[data-page] .site-footer .footer-identity {
    min-height: 0;
    display: grid;
    width: fit-content;
    max-width: 100%;
    justify-items: start;
    gap: 7px;
    margin-bottom: 25px;
    color: #f6f9fc;
    text-decoration: none;
}

body[data-page] .site-footer .footer-wordmark {
    color: #f6f9fc;
    font-family: "HarmonyOS Sans SC", "MiSans", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 1.68rem;
    font-weight: 700;
    line-height: 1;
    transition: color 180ms ease;
}

body[data-page] .site-footer .footer-identity:hover .footer-wordmark,
body[data-page] .site-footer .footer-identity:focus-visible .footer-wordmark {
    color: #8dbaff;
}

body[data-page] .site-footer .footer-tagline {
    max-width: 38ch;
    margin: 0;
    color: var(--site-shell-muted);
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.85;
    text-wrap: balance;
}

body[data-page] .site-footer .footer-nav,
body[data-page] .site-footer .footer-contact {
    min-width: 0;
    display: grid;
    align-content: start;
    gap: 0;
    padding: 0;
    font-style: normal;
}

body[data-page] .site-footer .footer-column-title {
    display: block;
    margin: 0 0 18px;
    padding: 0;
    color: #f6f9fc;
    border: 0;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.3;
}

body[data-page] .site-footer .footer-column-title::before {
    display: none;
    content: none;
}

body[data-page] .site-footer .footer-nav a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin: 0;
    color: var(--site-shell-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    text-decoration: none;
    transition: color 180ms ease;
}

body[data-page] .site-footer .footer-nav a:hover,
body[data-page] .site-footer .footer-nav a:focus-visible {
    color: #ffffff;
    transform: none;
}

body[data-page] .site-footer .footer-nav a[aria-current="page"] {
    color: #8dbaff;
    font-weight: 600;
    transform: none;
}

body[data-page] .site-footer .footer-contact > p:not(.footer-column-title) {
    max-width: 28ch;
    margin: 0;
    color: var(--site-shell-muted);
    font-size: 0.9rem;
    line-height: 1.8;
    text-wrap: pretty;
}

body[data-page] .site-footer .footer-address > span {
    white-space: nowrap;
}

body[data-page] .site-footer .footer-contact .footer-phone-number {
    min-height: 0;
    display: block;
    width: fit-content;
    margin: 12px 0 0;
    color: #ffffff;
    font-family: "Bahnschrift", "DIN Alternate", "Segoe UI", sans-serif;
    font-size: 1.06rem;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none;
    transition: color 180ms ease;
}

body[data-page] .site-footer .footer-contact .footer-phone-number:hover,
body[data-page] .site-footer .footer-contact .footer-phone-number:focus-visible {
    color: #8dbaff;
}

body[data-page] .site-footer .footer-bottom {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 24px;
    padding: 18px 0;
    color: #91a2b3;
    border-top: 1px solid rgba(183, 205, 224, 0.18);
    font-size: 16px;
    line-height: 1.7;
}

body[data-page] .site-footer .footer-bottom p,
body[data-page] .site-footer .footer-bottom .footer-meta {
    margin: 0;
    color: #91a2b3;
    font-size: 0.76rem;
    line-height: 1.4;
}

body[data-page] .site-footer .footer-beian {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    white-space: nowrap;
    color: #91a2b3;
    font-size: 0.76rem;
    line-height: 1.4;
    text-decoration: none;
    transition: color 180ms ease;
}

body[data-page] .site-footer .footer-beian img {
    display: block;
    width: 14px;
    height: 14px;
    opacity: 0.82;
}

body[data-page] .site-footer .footer-beian:hover,
body[data-page] .site-footer .footer-beian:focus-visible {
    color: #b9cadb;
}

body[data-page] .site-footer .footer-beian:hover img {
    opacity: 1;
}

body[data-page] .back-to-top {
    position: fixed;
    right: max(24px, env(safe-area-inset-right));
    bottom: max(24px, env(safe-area-inset-bottom));
    z-index: 900;
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    color: #ffffff;
    background: var(--site-shell-blue);
    border: 1px solid var(--site-shell-blue);
    border-radius: 2px;
    box-shadow: 0 10px 24px rgba(7, 74, 164, 0.22);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

body[data-page] .back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

body[data-page] .back-to-top:hover,
body[data-page] .back-to-top:active {
    color: #ffffff;
    background: var(--site-shell-blue-deep);
    border-color: var(--site-shell-blue-deep);
}

body[data-page] .back-to-top.is-over-footer,
body[data-page] .back-to-top.is-over-film,
body[data-page].nav-open .back-to-top {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
}

body[data-page] .back-to-top svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

@media (max-width: 1200px) {
    body[data-page] .site-header .nav-shell {
        gap: 28px;
    }

    body[data-page] .site-header .site-nav {
        gap: 2px;
    }

    body[data-page] .site-header .site-nav .nav-link:not(.nav-contact) {
        padding-inline: 11px;
    }

    body[data-page] .site-header .site-nav .nav-link:not(.nav-contact)::after {
        right: 11px;
        left: 11px;
    }
}

@media (max-width: 1160px) {
    body[data-page] .site-footer .footer-top {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 42px 32px;
    }

    body[data-page] .site-footer .footer-brand {
        grid-column: 1 / -1;
    }

    body[data-page] .site-footer .footer-tagline {
        max-width: 48ch;
    }
}

@media (max-width: 1060px) {
    body[data-page] {
        --header-height: 64px;
    }

    body[data-page] .site-header .nav-shell {
        width: calc(100% - 40px);
    }

    body[data-page] .site-header .brand-link {
        min-width: 108px;
        min-height: 44px;
    }

    body[data-page] .site-header .brand-link img {
        width: 108px;
        max-height: 51px;
    }

    .js body[data-page] .site-header .nav-toggle {
        display: inline-grid;
    }

    .js body[data-page] .site-header .site-nav {
        position: fixed;
        top: var(--header-height);
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 999;
        width: 100%;
        height: calc(100dvh - var(--header-height));
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        align-content: start;
        align-items: start;
        justify-content: stretch;
        gap: 0;
        margin: 0;
        padding: 20px max(20px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
        overflow-y: auto;
        overscroll-behavior-y: contain;
        background: #ffffff;
        visibility: hidden;
        opacity: 0;
        transform: translateY(-12px);
        pointer-events: none;
        transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
    }

    .js body[data-page] .site-header .site-nav.is-open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .js body[data-page] .site-header .site-nav .nav-link:not(.nav-contact),
    .js body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact) {
        width: 100%;
        height: auto;
        min-height: 56px;
        justify-content: flex-start;
        padding-inline: 12px;
        color: #253448;
        background: transparent;
        border: 0;
        border-bottom: 1px solid #e2e9f0;
        border-radius: 0;
        font-size: 15px;
        font-weight: 650;
    }

    .js body[data-page] .site-header .site-nav .nav-link:not(.nav-contact)::after,
    .js body[data-page] .site-header.is-scrolled .site-nav .nav-link:not(.nav-contact)::after {
        top: 12px;
        right: auto;
        bottom: 12px;
        left: 0;
        width: 3px;
        height: auto;
        transform: scaleY(0);
    }

    .js body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):hover,
    .js body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):focus-visible {
        color: var(--site-shell-blue-deep);
        background: #f6f9fd;
    }

    .js body[data-page] .site-header .site-nav .nav-link:not(.nav-contact)[aria-current="page"] {
        color: var(--site-shell-blue);
        background: var(--site-shell-tab-active);
        font-weight: 680;
    }

    .js body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):hover::after,
    .js body[data-page] .site-header .site-nav .nav-link:not(.nav-contact):focus-visible::after {
        transform: scaleY(1);
    }

    .js body[data-page] .site-header .site-nav .nav-link:not(.nav-contact)[aria-current="page"]::after {
        transform: scaleY(1);
    }

    .js body[data-page] .site-header .site-nav .nav-contact,
    .js body[data-page] .site-header.is-scrolled .site-nav .nav-contact {
        width: 100%;
        min-width: 0;
        height: auto;
        min-height: 52px;
        margin: 14px 0 0;
        padding: 0 18px;
        color: #ffffff;
        background: var(--site-shell-blue);
        border: 1px solid var(--site-shell-blue);
        border-radius: 2px;
    }

    .js body[data-page] .site-header .site-nav .nav-contact:hover,
    .js body[data-page] .site-header .site-nav .nav-contact:focus-visible {
        color: #ffffff;
        background: var(--site-shell-blue-deep);
        border-color: var(--site-shell-blue-deep);
    }
}

@media (max-width: 900px) {
    body[data-page] .site-footer .footer-top,
    body[data-page] .site-footer .footer-bottom {
        width: calc(100% - 40px);
    }

    body[data-page] .site-footer .footer-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 32px 28px;
        padding: 38px 0 30px;
    }

    body[data-page] .site-footer .footer-brand,
    body[data-page] .site-footer .footer-contact {
        grid-column: 1 / -1;
    }
}

@media (max-width: 720px) {
    body[data-page] .site-header .nav-shell {
        width: auto;
        margin-right: max(16px, env(safe-area-inset-right));
        margin-left: max(16px, env(safe-area-inset-left));
    }

    body[data-page] .site-footer .footer-top,
    body[data-page] .site-footer .footer-bottom {
        width: calc(100% - 32px);
    }

    body[data-page] .site-footer .footer-bottom {
        min-height: 0;
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        padding: 16px 0 20px;
    }

    body[data-page] .back-to-top {
        right: max(16px, env(safe-area-inset-right));
        bottom: max(16px, env(safe-area-inset-bottom));
    }
}

@media (max-width: 640px) {
    body[data-page] .site-footer .footer-top {
        gap: 26px 20px;
        padding: 34px 0 26px;
    }

    body[data-page] .site-footer .footer-identity {
        margin-bottom: 20px;
    }

    body[data-page] .site-footer .footer-column-title {
        margin-bottom: 14px;
    }

    body[data-page] .site-footer .footer-wordmark {
        font-size: 1.48rem;
    }
}

@media (max-width: 420px) {
    body[data-page] .site-header .brand-link,
    body[data-page] .site-header .brand-link img {
        min-width: 104px;
        width: 104px;
    }
}

@media (max-width: 360px) {
    body[data-page] .site-header .nav-shell {
        margin-right: max(14px, env(safe-area-inset-right));
        margin-left: max(14px, env(safe-area-inset-left));
    }

    body[data-page] .site-footer .footer-top,
    body[data-page] .site-footer .footer-bottom {
        width: calc(100% - 28px);
    }
}

@media (prefers-reduced-motion: reduce) {
    body[data-page] .site-header,
    body[data-page] .site-header .site-nav,
    body[data-page] .site-header .site-nav .nav-link,
    body[data-page] .site-header .site-nav .nav-link::after,
    body[data-page] .site-header .site-nav .nav-contact svg,
    body[data-page] .site-header .nav-toggle,
    body[data-page] .site-footer a,
    body[data-page] .back-to-top,
    body[data-page] .skip-link {
        transition: none;
    }
}