:root {
    color-scheme: light;
    --background: #f6f7f9;
    --surface: #ffffff;
    --text: #19191d;
    --muted: #65656d;
    --line: #dedfe5;
    --accent: #6757d9;
    --accent-soft: #efedff;
    --green: #23795e;
    --green-soft: #eaf6f1;
    --orange: #b95722;
    --orange-soft: #fff1e8;
    --max-width: 920px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    letter-spacing: 0;
}

a {
    color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

a:hover {
    text-decoration-thickness: 2px;
}

.site-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    width: min(var(--max-width), calc(100% - 40px));
    min-height: 72px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    font-size: 19px;
    font-weight: 750;
    text-decoration: none;
}

.brand img {
    width: 42px;
    height: 42px;
    border-radius: 8px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 22px;
}

.site-nav a {
    color: var(--muted);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
    color: var(--accent);
}

main {
    min-height: calc(100vh - 150px);
}

.hero,
.page-heading,
.content,
.site-footer-inner {
    width: min(var(--max-width), calc(100% - 40px));
    margin-right: auto;
    margin-left: auto;
}

.hero {
    padding: 74px 0 56px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 750;
}

h1,
h2,
h3 {
    line-height: 1.3;
}

h1 {
    max-width: 680px;
    margin: 0;
    font-size: 42px;
    font-weight: 790;
}

.hero-copy,
.page-summary {
    max-width: 680px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 18px;
}

.quick-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 42px;
}

.quick-link {
    min-height: 184px;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
}

.quick-link:hover {
    border-color: var(--accent);
}

.quick-link .label {
    display: inline-block;
    margin-bottom: 18px;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 750;
}

.quick-link.privacy .label {
    background: var(--green-soft);
    color: var(--green);
}

.quick-link.terms .label {
    background: var(--accent-soft);
    color: var(--accent);
}

.quick-link.support .label {
    background: var(--orange-soft);
    color: var(--orange);
}

.quick-link h2 {
    margin: 0 0 8px;
    font-size: 21px;
}

.quick-link p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.direct-contact {
    margin-top: 44px;
    padding: 28px 0;
    border-top: 1px solid var(--line);
}

.direct-contact h2 {
    margin: 0 0 8px;
    font-size: 22px;
}

.direct-contact p {
    margin: 0;
    color: var(--muted);
}

.page-heading {
    padding: 58px 0 34px;
    border-bottom: 1px solid var(--line);
}

.page-heading h1 {
    font-size: 38px;
}

.document-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-top: 18px;
    color: var(--muted);
    font-size: 14px;
}

.content {
    padding: 42px 0 72px;
}

.content section {
    max-width: 760px;
    margin-bottom: 42px;
}

.content h2 {
    margin: 0 0 12px;
    font-size: 24px;
}

.content h3 {
    margin: 24px 0 8px;
    font-size: 18px;
}

.content p,
.content ul,
.content ol {
    margin-top: 0;
}

.content li + li {
    margin-top: 8px;
}

.notice {
    max-width: 760px;
    margin: 0 0 36px;
    padding: 18px 20px;
    background: var(--accent-soft);
    border-left: 4px solid var(--accent);
    border-radius: 0 8px 8px 0;
}

.notice p {
    margin: 0;
}

.data-table {
    width: 100%;
    margin: 18px 0 8px;
    border-collapse: collapse;
    background: var(--surface);
    font-size: 15px;
}

.data-table th,
.data-table td {
    padding: 14px;
    border: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.data-table th {
    background: #f0f1f4;
    font-weight: 700;
}

.faq {
    max-width: 760px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.faq:first-of-type {
    padding-top: 0;
}

.faq h2 {
    margin-bottom: 8px;
    font-size: 20px;
}

.faq p {
    margin-bottom: 0;
    color: var(--muted);
}

.feedback-intro {
    max-width: 760px;
}

.feedback-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 22px 0 16px;
}

.feedback-option {
    padding: 22px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.feedback-option h3 {
    margin-top: 0;
}

.feedback-option p {
    color: var(--muted);
    font-size: 15px;
}

.action-link {
    display: inline-block;
    padding: 8px 12px;
    background: var(--accent);
    border-radius: 6px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.privacy-reminder {
    color: var(--muted);
    font-size: 14px;
}

.contact-block {
    max-width: 760px;
    margin-top: 48px;
    padding: 26px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.contact-block h2 {
    margin-bottom: 8px;
}

.contact-block p:last-child {
    margin-bottom: 0;
}

.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--line);
}

.site-footer-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    color: var(--muted);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 18px;
}

.footer-links a {
    color: var(--muted);
}

@media (max-width: 720px) {
    .header-inner {
        min-height: auto;
        padding: 14px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .site-nav {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
    }

    .hero {
        padding: 50px 0 42px;
    }

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

    .hero-copy,
    .page-summary {
        font-size: 17px;
    }

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

    .feedback-options {
        grid-template-columns: 1fr;
    }

    .quick-link {
        min-height: auto;
    }

    .page-heading {
        padding: 42px 0 28px;
    }

    .content {
        padding-top: 32px;
    }

    .table-scroll {
        overflow-x: auto;
    }

    .data-table {
        min-width: 620px;
    }

    .site-footer-inner {
        padding: 22px 0;
        align-items: flex-start;
        flex-direction: column;
    }
}

@media print {
    body {
        background: #ffffff;
    }

    .site-header,
    .site-footer {
        display: none;
    }

    .page-heading,
    .content {
        width: 100%;
    }

    .page-heading {
        padding-top: 0;
    }

    a {
        color: inherit;
    }
}