:root {
    color-scheme: light;
    --svc-paper: #f4f1fa;
    --svc-panel: #ffffff;
    --svc-ink: #272333;
    --svc-muted: #625e70;
    --svc-accent: #287b83;
    --svc-highlight: #f0d3c8;
    --svc-line: #ded9e8;
    --svc-shadow: 0 16px 40px rgba(39, 35, 51, .08);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    color: var(--svc-ink);
    background: var(--svc-paper);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    line-height: 1.72;
    background:
        radial-gradient(circle at 12% 0%, rgba(240, 211, 200, .44), transparent 28rem),
        var(--svc-paper);
}

a {
    color: var(--svc-accent);
    text-decoration-thickness: .08em;
    text-underline-offset: .18em;
}

a:hover {
    color: #155960;
}

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

.svc-mast {
    position: relative;
    z-index: 2;
    padding: 22px max(24px, calc((100vw - 1360px) / 2));
    color: #fdfcff;
    background: var(--svc-ink);
    box-shadow: 0 8px 28px rgba(39, 35, 51, .14);
}

.svc-brand {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 22px;
    margin-bottom: 18px;
}

.svc-brand a {
    color: #fff;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-decoration: none;
}

.svc-brand small {
    color: #d4cfdf;
    font-size: .92rem;
    letter-spacing: .08em;
}

.svc-nav {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding: 9px 0 3px;
    border-top: 1px solid rgba(255, 255, 255, .16);
    scrollbar-width: thin;
}

.svc-nav a {
    flex: 0 0 auto;
    padding: 7px 11px;
    border-radius: 999px;
    color: #eeebf5;
    font-size: .88rem;
    text-decoration: none;
}

.svc-nav a:hover,
.svc-nav a:focus-visible {
    color: var(--svc-ink);
    background: var(--svc-highlight);
}

.svc-home,
.svc-page {
    width: min(1360px, calc(100% - 48px));
    margin: 34px auto 70px;
}

.svc-home > h1 {
    max-width: 980px;
    margin: 0 auto 22px;
    font-size: clamp(1.8rem, 3.8vw, 3rem);
    line-height: 1.2;
    letter-spacing: -.035em;
}

.svc-directory-layout {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: start;
    gap: 24px;
}

.svc-rail {
    position: sticky;
    top: 20px;
    display: grid;
    gap: 7px;
    padding: 19px;
    border: 1px solid var(--svc-line);
    border-radius: 20px;
    background: rgba(255, 255, 255, .78);
    box-shadow: var(--svc-shadow);
}

.svc-rail h2 {
    margin: 0 0 8px;
    color: var(--svc-muted);
    font-size: .92rem;
    letter-spacing: .12em;
}

.svc-rail a {
    padding: 7px 9px;
    border-radius: 10px;
    color: var(--svc-ink);
    font-size: .9rem;
    text-decoration: none;
}

.svc-rail a:hover {
    background: #ebe6f4;
}

.svc-home-content {
    display: grid;
    gap: 21px;
    min-width: 0;
}

.svc-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(250px, .8fr);
    gap: 28px;
    align-items: center;
    padding: clamp(23px, 4vw, 48px);
    border: 1px solid rgba(40, 123, 131, .16);
    border-radius: 28px;
    background: linear-gradient(130deg, #fff 0%, #fff 63%, #e6f0ef 100%);
    box-shadow: var(--svc-shadow);
}

.svc-kicker {
    margin: 0 0 8px;
    color: var(--svc-accent);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.svc-hero h2,
.svc-section h2,
.svc-page-head h1 {
    margin: 0 0 14px;
    line-height: 1.25;
    letter-spacing: -.025em;
}

.svc-hero h2 {
    font-size: clamp(1.65rem, 3vw, 2.55rem);
}

.svc-hero p:not(.svc-kicker) {
    max-width: 790px;
    color: #464252;
}

.svc-hero-figure {
    margin: 0;
    padding: 12px;
    border: 1px solid var(--svc-line);
    border-radius: 20px;
    background: #fff;
}

.svc-hero-figure img {
    width: 100%;
    max-height: 310px;
    border-radius: 13px;
    object-fit: cover;
}

.svc-hero-figure figcaption,
.svc-image-band figcaption {
    padding: 8px 4px 1px;
    color: var(--svc-muted);
    font-size: .82rem;
}

.svc-pager {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.svc-button,
.svc-readback {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 9px 16px;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
}

.svc-button {
    color: #fff;
    background: var(--svc-accent);
}

.svc-readback {
    color: var(--svc-ink);
    background: #f0edf5;
}

.svc-section {
    padding: clamp(20px, 3vw, 34px);
    border: 1px solid var(--svc-line);
    border-left: 5px solid var(--svc-accent);
    border-radius: 22px;
    background: var(--svc-panel);
    box-shadow: var(--svc-shadow);
}

.svc-section > header {
    margin-bottom: 13px;
}

.svc-section h2 {
    font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.svc-section h3,
.svc-about-card h2,
.svc-data-card h2,
.svc-term h2,
.svc-app-card h2 {
    margin-top: 0;
    line-height: 1.3;
}

.svc-section p,
.svc-about-card p,
.svc-data-card p,
.svc-term p,
.svc-app-card p {
    color: #4d4959;
}

.svc-databook {
    width: 100%;
    margin-top: 22px;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: 13px;
}

.svc-databook th,
.svc-databook td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--svc-line);
    text-align: left;
}

.svc-databook thead th {
    color: #fff;
    background: var(--svc-ink);
}

.svc-databook tbody tr:nth-child(even) {
    background: #f7f5fa;
}

.svc-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 20px;
}

.svc-tags span {
    padding: 6px 12px;
    border: 1px solid #b9d2d1;
    border-radius: 999px;
    color: #1e666c;
    background: #eff7f6;
    font-size: .87rem;
    font-weight: 700;
}

.svc-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    padding: 0;
    list-style: none;
}

.svc-steps li {
    display: grid;
    gap: 4px;
    padding: 17px;
    border-radius: 14px;
    background: #f2eef7;
}

.svc-steps li strong {
    color: var(--svc-accent);
}

.svc-steps li span {
    color: var(--svc-muted);
    font-size: .9rem;
}

.svc-matchup-grid,
.svc-rule-columns,
.svc-opinion-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 19px;
}

.svc-matchup-grid article,
.svc-rule-columns article,
.svc-opinion,
.svc-about-card,
.svc-data-card,
.svc-term,
.svc-app-card {
    padding: 19px;
    border: 1px solid var(--svc-line);
    border-radius: 16px;
    background: #fbfaff;
}

.svc-matchup-grid article:nth-child(2) {
    border-color: rgba(240, 211, 200, .9);
    background: #fff7f3;
}

.svc-faq-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 18px;
}

.svc-question {
    padding: 15px 17px;
    border: 1px solid var(--svc-line);
    border-radius: 14px;
    background: #fbfaff;
}

.svc-question summary {
    cursor: pointer;
    color: var(--svc-ink);
    font-weight: 750;
}

.svc-question p {
    margin: 13px 0 0;
}

.svc-news-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.svc-story {
    min-width: 0;
    padding: 17px;
    border: 1px solid var(--svc-line);
    border-radius: 17px;
    background: #fff;
}

.svc-story time,
.svc-news-article time {
    color: var(--svc-muted);
    font-size: .83rem;
}

.svc-story h3 {
    margin: 8px 0;
    line-height: 1.4;
}

.svc-story-link {
    color: var(--svc-ink);
    text-decoration: none;
}

.svc-story-link:hover {
    color: var(--svc-accent);
    text-decoration: underline;
}

.svc-news-image {
    width: 100%;
    max-height: 240px;
    margin: 12px 0;
    border-radius: 12px;
    object-fit: cover;
}

.svc-more {
    margin: 20px 0 0;
    text-align: right;
    font-weight: 700;
}

.svc-page-head {
    margin-bottom: 22px;
    padding: clamp(23px, 4vw, 42px);
    border-radius: 24px;
    color: #fff;
    background: linear-gradient(115deg, #272333, #3c5264 70%, #287b83);
}

.svc-page-head .svc-kicker {
    color: #f0d3c8;
}

.svc-page-head h1 {
    max-width: 1000px;
    font-size: clamp(1.8rem, 4vw, 2.9rem);
}

.svc-page-head p:last-child {
    margin-bottom: 0;
    color: #e1ddea;
}

.svc-about-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px;
}

.svc-about-card:nth-child(2) {
    transform: translateY(16px);
    background: #fff8f5;
}

.svc-image-band {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 13px;
    margin-top: 18px;
}

.svc-image-band figure {
    margin: 0;
    padding: 9px;
    border: 1px solid var(--svc-line);
    border-radius: 15px;
    background: #fff;
}

.svc-image-band img {
    width: 100%;
    max-height: 190px;
    border-radius: 10px;
    object-fit: cover;
}

.svc-news-intro {
    margin-bottom: 17px;
    padding: 18px 22px;
    border-left: 4px solid var(--svc-highlight);
    border-radius: 12px;
    background: #fff;
}

.svc-news-ledger {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
}

.svc-news-article {
    padding: 19px;
    border: 1px solid var(--svc-line);
    border-radius: 18px;
    background: #fff;
}

.svc-news-article h2 {
    font-size: 1.2rem;
    line-height: 1.4;
}

.svc-data-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
}

.svc-data-rail {
    position: sticky;
    top: 18px;
    display: grid;
    gap: 8px;
    padding: 18px;
    border-radius: 18px;
    background: var(--svc-ink);
}

.svc-data-rail h2 {
    margin: 0 0 7px;
    color: #f0d3c8;
    font-size: 1rem;
}

.svc-data-rail a {
    color: #f5f2fa;
    text-decoration: none;
}

.svc-data-content {
    display: grid;
    gap: 13px;
}

.svc-data-card {
    scroll-margin-top: 20px;
}

.svc-glossary-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, .7fr);
    gap: 18px;
}

.svc-glossary {
    display: grid;
    gap: 12px;
}

.svc-glossary-note {
    padding: 22px;
    border: 1px solid var(--svc-line);
    border-radius: 18px;
    background: #fff2ed;
}

.svc-app-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(250px, .65fr);
    align-items: start;
    gap: 18px;
}

.svc-app-cards {
    display: grid;
    gap: 12px;
}

.svc-app-hero figure {
    margin: 0;
    padding: 12px;
    border: 1px solid var(--svc-line);
    border-radius: 18px;
    background: #fff;
}

.svc-app-hero figure img {
    width: 100%;
    max-height: 360px;
    border-radius: 12px;
    object-fit: cover;
}

.svc-app-hero figcaption {
    padding: 9px 2px 1px;
    color: var(--svc-muted);
    font-size: .85rem;
}

.svc-foot {
    display: grid;
    grid-template-columns: auto minmax(240px, 1fr) auto;
    align-items: center;
    gap: 18px;
    padding: 24px max(24px, calc((100vw - 1360px) / 2));
    color: #f4f1fa;
    background: var(--svc-ink);
}

.svc-foot-brand {
    display: grid;
    gap: 4px;
}

.svc-foot-brand strong {
    font-size: 1.05rem;
}

.svc-foot-brand span,
.svc-foot-record {
    color: #d5d0df;
    font-size: .83rem;
}

.svc-foot-record {
    margin: 0;
}

.svc-foot nav {
    display: flex;
    gap: 12px;
}

.svc-foot nav a {
    color: #f0d3c8;
}

@media (max-width: 1000px) {
    .svc-directory-layout {
        grid-template-columns: 1fr;
    }

    .svc-rail {
        position: static;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .svc-rail h2 {
        grid-column: 1 / -1;
    }

    .svc-about-grid {
        grid-template-columns: 1fr 1fr;
    }

    .svc-about-card:nth-child(2) {
        transform: none;
    }
}

@media (max-width: 720px) {
    .svc-mast {
        padding: 18px 16px;
    }

    .svc-brand {
        display: grid;
        gap: 3px;
    }

    .svc-home,
    .svc-page {
        width: min(100% - 28px, 620px);
        margin-top: 20px;
    }

    .svc-directory-layout,
    .svc-hero,
    .svc-data-layout,
    .svc-glossary-layout,
    .svc-app-hero {
        grid-template-columns: 1fr;
    }

    .svc-hero {
        padding: 21px;
    }

    .svc-rail {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4px;
        padding: 13px;
    }

    .svc-rail h2 {
        grid-column: 1 / -1;
    }

    .svc-matchup-grid,
    .svc-rule-columns,
    .svc-opinion-grid,
    .svc-news-grid,
    .svc-news-ledger,
    .svc-about-grid,
    .svc-faq-list {
        grid-template-columns: 1fr;
    }

    .svc-steps {
        grid-template-columns: 1fr;
    }

    .svc-about-card:nth-child(2) {
        transform: none;
    }

    .svc-image-band {
        grid-template-columns: 1fr 1fr;
    }

    .svc-foot {
        grid-template-columns: 1fr;
        padding: 22px 16px;
    }
}

@media (max-width: 420px) {
    .svc-image-band {
        grid-template-columns: 1fr;
    }

    .svc-databook th,
    .svc-databook td {
        padding: 9px 8px;
        font-size: .85rem;
    }
}