:root {
    color-scheme: light;
    --ink: #182030;
    --ink-soft: #566070;
    --brand: #111827;
    --brand-deep: #080d17;
    --accent: #d8b36a;
    --accent-strong: #b98a37;
    --accent-soft: #f4ead8;
    --surface: #ffffff;
    --surface-soft: #f4f3ef;
    --line: rgba(17, 24, 39, .12);
    --shadow: 0 24px 70px rgba(17, 24, 39, .10);
    font-family: Inter, "SF Pro Display", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: var(--surface-soft);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    min-width: 320px;
    margin: 0;
    background:
        radial-gradient(circle at 8% 18%, rgba(216, 179, 106, .10), transparent 28rem),
        linear-gradient(180deg, #f8f7f3 0, var(--surface-soft) 36rem);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.78;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration-color: rgba(185, 138, 55, .45); text-underline-offset: .24em; }
label { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1220px, calc(100% - 48px)); margin-inline: auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(255, 255, 255, .10);
    background: rgba(8, 13, 23, .94);
    color: #fff;
    box-shadow: 0 12px 40px rgba(8, 13, 23, .13);
    backdrop-filter: blur(18px);
}
.site-header .shell { display: flex; align-items: center; min-height: 78px; gap: 36px; }
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: none;
    color: #fff;
    font-size: 1.08rem;
    font-weight: 850;
    letter-spacing: .04em;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
}
.brand::before {
    width: 27px;
    height: 27px;
    border: 1px solid rgba(216, 179, 106, .75);
    border-radius: 8px 2px 8px 2px;
    background: linear-gradient(135deg, #f2d79d, var(--accent-strong));
    box-shadow: inset 0 0 0 6px var(--brand-deep), 0 0 24px rgba(216, 179, 106, .22);
    content: "";
    transform: rotate(45deg) scale(.72);
}
nav { margin-left: auto; overflow-x: auto; scrollbar-width: none; }
nav::-webkit-scrollbar { display: none; }
nav ul, .related ul { display: flex; align-items: center; gap: 8px; margin: 0; padding: 0; list-style: none; }
nav a, .site-header nav label {
    position: relative;
    display: block;
    padding: 12px 15px;
    border-radius: 999px;
    color: rgba(255, 255, 255, .76);
    font-size: .93rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: color .2s ease, background .2s ease;
}
nav a:hover, .site-header nav label:hover { background: rgba(255, 255, 255, .08); color: #fff; }
nav a::after, .site-header nav label::after {
    position: absolute;
    right: 16px;
    bottom: 7px;
    left: 16px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
    content: "";
    opacity: 0;
    transform: scaleX(.4);
    transition: opacity .2s ease, transform .2s ease;
}
nav a:hover::after, .site-header nav label:hover::after { opacity: 1; transform: scaleX(1); }

main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 28px;
    padding-block: clamp(28px, 5vw, 64px) clamp(56px, 8vw, 100px);
}
main.citysite-page--template {
    display: block;
    padding: 0;
    /* A transformed ancestor would make the template navigation scroll with the page. */
    animation: none !important;
    transform: none !important;
}
.page-content, .related {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: rgba(255, 255, 255, .94);
    box-shadow: var(--shadow);
}
.page-content { min-width: 0; }
.page-content > header {
    position: relative;
    isolation: isolate;
    min-height: 380px;
    overflow: hidden;
    padding: clamp(48px, 7vw, 84px) clamp(28px, 6vw, 72px);
    background:
        linear-gradient(115deg, rgba(8, 13, 23, .98), rgba(17, 24, 39, .95) 58%, rgba(40, 35, 27, .92)),
        var(--brand);
    color: #fff;
}
.page-content > header::before {
    position: absolute;
    z-index: -1;
    width: 420px;
    height: 420px;
    border: 1px solid rgba(216, 179, 106, .25);
    border-radius: 50%;
    top: -255px;
    right: -95px;
    box-shadow: 0 0 0 64px rgba(216, 179, 106, .035), 0 0 0 128px rgba(216, 179, 106, .025);
    content: "";
}
.page-content > header::after {
    position: absolute;
    z-index: -1;
    right: 8%;
    bottom: -1px;
    width: 34%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent));
    content: "";
}
.page-content > header h1 {
    max-width: 820px;
    margin: .24em 0 .32em;
    color: #fff;
    font-size: clamp(2.3rem, 5.3vw, 4.8rem);
    font-weight: 850;
    line-height: 1.09;
    letter-spacing: -.055em;
    text-wrap: balance;
}
.page-content > h1,
.page-content :is(article, section) h1 {
    margin: .35em 0 .6em;
    color: var(--ink);
    font-size: clamp(1.8rem, 3.6vw, 2.75rem);
    font-weight: 820;
    line-height: 1.18;
    letter-spacing: -.035em;
}
.page-content h2 {
    margin: .25em 0 .55em;
    color: var(--brand);
    font-size: clamp(1.55rem, 3vw, 2.25rem);
    line-height: 1.24;
    letter-spacing: -.025em;
}
.page-content h3 { margin: 0 0 8px; color: var(--brand); font-size: 1.08rem; line-height: 1.4; }
.page-content p { max-width: 78ch; }
.eyebrow, .aside-kicker {
    margin: 0;
    color: var(--accent-strong);
    font-size: .73rem;
    font-weight: 850;
    letter-spacing: .19em;
    line-height: 1.5;
}
.page-content > header .eyebrow { color: #efd8a9; }
.updated, .hero-summary { color: rgba(255, 255, 255, .68); }
.updated { margin: 1.5rem 0 0; font-size: .87rem; }
.hero-summary {
    max-width: 700px;
    margin: 0;
    font-size: clamp(1rem, 1.8vw, 1.18rem);
    line-height: 1.85;
}
.page-content section {
    margin: 0 clamp(24px, 5vw, 64px);
    padding: clamp(28px, 4vw, 48px) 0;
    border-bottom: 1px solid var(--line);
}
.page-content section:last-child { border-bottom: 0; }
.page-content > article { padding-inline: clamp(24px, 5vw, 64px); }
.page-content article section { margin-inline: 0; }
.section-lead { display: grid; grid-template-columns: minmax(180px, .7fr) minmax(280px, 1.3fr); column-gap: 40px; align-items: start; }
.section-lead .eyebrow { grid-column: 1; }
.section-lead h2 { grid-column: 1; }
.section-lead > p:last-child { grid-column: 2; grid-row: 1 / span 2; margin: 0; color: var(--ink-soft); font-size: 1.04rem; }

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 30px; }
.button-link, .inquiry-form button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 11px 24px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: linear-gradient(135deg, #efd79f, var(--accent));
    box-shadow: 0 12px 30px rgba(185, 138, 55, .18);
    color: #17130d;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease;
}
.button-link:hover, .inquiry-form button:hover { box-shadow: 0 15px 34px rgba(185, 138, 55, .28); transform: translateY(-2px); }
.text-link { color: rgba(255, 255, 255, .82); font-weight: 700; cursor: pointer; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--accent); transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.hero-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 720px;
    gap: 1px;
    margin: 44px 0 -34px;
    padding: 0;
    list-style: none;
    background: rgba(255, 255, 255, .12);
}
.hero-proof li { display: grid; gap: 2px; padding: 18px 22px; background: rgba(8, 13, 23, .58); }
.hero-proof strong { color: #fff; font-size: 1.35rem; line-height: 1.2; }
.hero-proof span { color: rgba(255, 255, 255, .56); font-size: .78rem; }
.feature-grid, .value-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.feature-grid article, .value-grid article {
    position: relative;
    min-width: 0;
    padding: 24px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(145deg, #fff, #f9f7f1);
}
.feature-grid article::after {
    position: absolute;
    right: -24px;
    bottom: -34px;
    width: 90px;
    height: 90px;
    border: 1px solid rgba(216, 179, 106, .25);
    border-radius: 50%;
    content: "";
}
.feature-grid article > span { display: block; margin-bottom: 28px; color: var(--accent-strong); font: 800 .74rem/1 ui-monospace, monospace; letter-spacing: .1em; }
.feature-grid p, .value-grid p { margin: 0; color: var(--ink-soft); font-size: .92rem; }
.value-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.value-grid strong { display: block; margin-bottom: 10px; color: var(--accent-strong); font-size: 1.3rem; }
.page-content table { width: 100%; overflow: hidden; border-collapse: separate; border-spacing: 0; border: 1px solid var(--line); border-radius: 14px; }
.page-content th, .page-content td { padding: 13px 15px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: left; }
.page-content th { background: var(--surface-soft); color: var(--brand); }
.page-content tr:last-child > * { border-bottom: 0; }
.page-content tr > *:last-child { border-right: 0; }
.page-content dl { display: grid; grid-template-columns: minmax(110px, 160px) 1fr; gap: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; }
.page-content dt, .page-content dd { padding: 13px 16px; border-bottom: 1px solid var(--line); }
.page-content dt { background: var(--surface-soft); color: var(--brand); font-weight: 750; }
.page-content dd { margin: 0; color: var(--ink-soft); }
.page-content dl > *:nth-last-child(-n+2) { border-bottom: 0; }
.page-content .city-site-faq {
    margin-inline: 0;
    padding: clamp(44px, 6vw, 72px) clamp(24px, 5vw, 64px);
    background: linear-gradient(180deg, var(--surface-soft), #fff);
}
.page-content .city-site-faq > .faq-list-inner { width: 100%; margin: 0 auto; }
.page-content .city-site-faq .faq-heading { max-width: 680px; margin: 0 auto 36px; text-align: center; }
.page-content .city-site-faq .faq-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    margin-bottom: 12px;
    padding: 0 12px;
    border: 1px solid color-mix(in srgb, var(--accent-strong) 20%, transparent);
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: .75rem;
    font-weight: 850;
    letter-spacing: .16em;
}
.page-content .city-site-faq .faq-heading h2 { margin: 0; font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
.page-content .city-site-faq .faq-heading p { margin: 14px auto 0; color: var(--ink-soft); }
.page-content .city-site-faq dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    overflow: visible;
    margin: 0;
    border: 0;
    border-radius: 0;
}
.page-content .city-site-faq .faq-item {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(15, 23, 42, .07);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.page-content .city-site-faq .faq-item::before { display: block; height: 3px; background: linear-gradient(90deg, var(--accent-strong), var(--accent)); content: ""; }
.page-content .city-site-faq .faq-item:hover { border-color: color-mix(in srgb, var(--accent-strong) 30%, transparent); box-shadow: 0 18px 42px rgba(15, 23, 42, .11); transform: translateY(-2px); }
.page-content .city-site-faq .faq-item dt,
.page-content .city-site-faq .faq-item dd { display: flex; gap: 13px; border: 0; background: transparent; }
.page-content .city-site-faq .faq-item dt { align-items: flex-start; padding: 21px 22px 14px; color: var(--brand); font-size: 1.02rem; font-weight: 780; line-height: 1.55; }
.page-content .city-site-faq .faq-item dd { align-items: flex-start; margin: 0; padding: 0 22px 22px; color: var(--ink-soft); line-height: 1.8; }
.page-content .city-site-faq .faq-marker { display: grid; place-items: center; flex: 0 0 30px; width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--accent-strong), var(--accent)); color: #fff; font-size: .78rem; font-weight: 850; line-height: 1; }
.page-content .city-site-faq .faq-answer-mark { background: var(--accent-soft); color: var(--accent-strong); }
.page-content .city-site-faq .faq-item :is(dt, dd) > span:last-child { min-width: 0; overflow-wrap: anywhere; }

.related {
    position: sticky;
    top: 106px;
    align-self: start;
    padding: 26px;
    background:
        radial-gradient(circle at 100% 0, rgba(216, 179, 106, .15), transparent 13rem),
        var(--brand);
    color: #fff;
}
.related h2 { margin: 6px 0 20px; color: #fff; font-size: 1.22rem; letter-spacing: -.02em; }
.related .aside-kicker { color: var(--accent); }
.related ul { display: grid; gap: 8px; }
.related a, .related label {
    display: grid;
    gap: 1px;
    padding: 13px 14px;
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 12px;
    background: rgba(255, 255, 255, .05);
    color: rgba(255, 255, 255, .84);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.related a:hover, .related label:hover { border-color: rgba(216, 179, 106, .52); background: rgba(255, 255, 255, .09); transform: translateX(3px); }
.related label small { color: rgba(255, 255, 255, .48); font-size: .73rem; font-weight: 500; }
.preview-note { margin: 22px 0 0; color: rgba(255, 255, 255, .48); font-size: .76rem; }

.contact-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.contact-list li { padding: 13px 15px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-soft); }
.contact-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.contact-showcase > div > p:last-child { color: var(--ink-soft); }
.contact-showcase dl { margin: 0; }
.preview-contact-action { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.preview-contact-action .text-link { color: var(--brand); }
.inquiry-panel {
    margin-top: 2rem !important;
    padding: clamp(28px, 4vw, 42px) !important;
    border: 1px solid rgba(216, 179, 106, .34) !important;
    border-radius: 20px;
    background: linear-gradient(145deg, #fff, #fbf7ee);
}
.inquiry-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.inquiry-form label { display: grid; gap: 7px; color: var(--brand); font-weight: 750; }
.inquiry-form label:has(textarea), .inquiry-form .form-note, .inquiry-form button { grid-column: 1 / -1; }
.inquiry-form input, .inquiry-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #cfd3d8;
    border-radius: 11px;
    background: #fff;
    color: var(--ink);
    font: inherit;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.inquiry-form textarea { resize: vertical; }
.inquiry-form input:focus, .inquiry-form textarea:focus { border-color: var(--accent-strong); outline: 0; box-shadow: 0 0 0 4px rgba(216, 179, 106, .16); }
.inquiry-form button { justify-self: start; }
.inquiry-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-note, .reference { margin: 0; color: var(--ink-soft); font-size: .86rem; }
.result-shell { display: block; width: min(760px, calc(100% - 32px)); margin: 8vh auto; padding: 0; }
.submission-result { padding: clamp(28px, 6vw, 60px); border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.submission-result h1 { margin-top: 0; }
footer { border-top: 1px solid rgba(255, 255, 255, .08); background: var(--brand-deep); color: rgba(255, 255, 255, .60); font-size: .84rem; }
footer .shell { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; min-height: 92px; }
footer p { margin: 0; }
.city-site-links { display: block; width: 100%; padding: 22px 0 18px; border-bottom: 1px solid rgba(255, 255, 255, .10); color: inherit; }
.city-site-links__title { display: block; margin-bottom: 14px; color: rgba(255, 255, 255, .88); font-size: .92rem; }
.city-site-links__items { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.city-site-links__items a { display: inline-flex; align-items: center; min-height: 34px; padding: 5px 11px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 999px; background: rgba(255, 255, 255, .05); color: rgba(255, 255, 255, .72); text-decoration: none; }
.city-site-links__items a:hover { color: #fff; text-decoration: underline; }

/* 模板预览使用无脚本单文档路由，避免 sandbox iframe 导航到后台页面。 */
.preview-route { position: fixed; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
#preview-home:focus-visible ~ .site-header label[for="preview-home"],
#preview-solutions:focus-visible ~ .site-header label[for="preview-solutions"],
#preview-about:focus-visible ~ .site-header label[for="preview-about"],
#preview-contact:focus-visible ~ .site-header label[for="preview-contact"] {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}
.template-preview .preview-page { display: none; }
#preview-home:checked ~ main .preview-page-home,
#preview-solutions:checked ~ main .preview-page-solutions,
#preview-about:checked ~ main .preview-page-about,
#preview-contact:checked ~ main .preview-page-contact { display: block; animation: preview-enter .28s ease both; }
#preview-home:checked ~ .site-header label[for="preview-home"],
#preview-solutions:checked ~ .site-header label[for="preview-solutions"],
#preview-about:checked ~ .site-header label[for="preview-about"],
#preview-contact:checked ~ .site-header label[for="preview-contact"] { background: rgba(255, 255, 255, .10); color: #fff; }
#preview-home:checked ~ .site-header label[for="preview-home"]::after,
#preview-solutions:checked ~ .site-header label[for="preview-solutions"]::after,
#preview-about:checked ~ .site-header label[for="preview-about"]::after,
#preview-contact:checked ~ .site-header label[for="preview-contact"]::after { opacity: 1; transform: scaleX(1); }
@keyframes preview-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 900px) {
    .shell { width: min(100% - 32px, 760px); }
    .site-header .shell { min-height: 70px; gap: 18px; }
    main { grid-template-columns: 1fr; padding-top: 24px; }
    .related { position: static; }
    .section-lead { grid-template-columns: 1fr; }
    .section-lead > *, .section-lead > p:last-child { grid-column: 1; grid-row: auto; }
    .feature-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .shell { width: min(100% - 24px, 560px); }
    .site-header { position: relative; }
    .site-header .shell { align-items: flex-start; flex-direction: column; gap: 3px; padding-block: 13px; }
    nav { width: 100%; margin-left: 0; }
    nav ul { gap: 2px; }
    nav a, .site-header nav label { padding: 9px 10px; font-size: .82rem; }
    .page-content, .related { border-radius: 20px; }
    .page-content > header { min-height: 340px; padding: 40px 24px 48px; }
    .page-content > header h1 { font-size: clamp(2.1rem, 11vw, 3.35rem); }
    .page-content > article { padding-inline: 20px; }
    .page-content section { margin-inline: 20px; padding-block: 30px; }
    .hero-proof { grid-template-columns: 1fr; margin-bottom: -24px; background: transparent; }
    .hero-proof li { grid-template-columns: 62px 1fr; align-items: center; padding: 10px 12px; }
    .value-grid, .contact-showcase, .inquiry-form { grid-template-columns: 1fr; }
    .page-content dl { grid-template-columns: 1fr; }
    .page-content dt, .page-content dd { border-bottom: 1px solid var(--line) !important; }
    .page-content dl > *:last-child { border-bottom: 0 !important; }
    .page-content .city-site-faq { margin-inline: 0; padding: 44px 20px; }
    .page-content .city-site-faq .faq-heading { margin-bottom: 28px; }
    .page-content .city-site-faq dl { grid-template-columns: 1fr; }
    .page-content .city-site-faq .faq-item dt { padding: 18px 18px 12px; border-bottom: 0 !important; }
    .page-content .city-site-faq .faq-item dd { padding: 0 18px 18px; border-bottom: 0 !important; }
    .inquiry-form label, .inquiry-form label:has(textarea), .inquiry-form .form-note, .inquiry-form button { grid-column: 1; }
    footer .shell { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 20px; }
}