/* 延伸阅读独立纸面与山水背景，不影响共用模板的法律页面。 */
.reading-page {
    --reading-accent: #1762bb;
    --reading-ink: #102c50;
    --reading-text: #40576d;
    --reading-art: url('/static/img/homepage-b-landscape.png');
    isolation: isolate;
    color: var(--reading-ink);
}
:root[data-theme="warm"] .reading-page {
    --reading-accent: #cf5145;
    --reading-ink: #282321;
    --reading-text: #62564e;
    --reading-art: url('/static/img/homepage-a-landscape.png');
}
.reading-page::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: var(--reading-art) center / cover no-repeat;
    opacity: .16;
}
.reading-page main { margin-block: clamp(28px, 4vw, 64px); }
.reading-page .seo-landing-shell {
    max-width: 1000px;
    margin: 0 auto;
    padding: clamp(26px, 4vw, 58px) clamp(22px, 5vw, 76px);
    border: 1px solid color-mix(in srgb, var(--reading-ink) 10%, transparent);
    border-radius: 18px;
    background: color-mix(in srgb, var(--paper-color) 96%, transparent);
    box-shadow: 0 16px 48px color-mix(in srgb, var(--reading-ink) 6%, transparent);
    color: var(--reading-ink);
    overflow-wrap: anywhere;
}
.reading-page .seo-breadcrumb {
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
    margin-left: 0;
    color: var(--reading-text);
    font-size: 14px;
    line-height: 1.65;
}
.reading-page .seo-breadcrumb a {
    padding: 7px 14px;
    border: 1px solid color-mix(in srgb, var(--reading-accent) 24%, transparent);
    border-radius: 999px;
    color: var(--reading-accent);
    font-weight: 600;
}
/* 重置共享 header 的底色、阴影和移动端内边距，仅作用于文章标题区。 */
.reading-page .seo-landing-shell > header.seo-landing-hero {
    position: static;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    max-width: 100%;
    margin: 0 0 44px;
    text-align: left;
}
.reading-page .hero-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 18px;
    color: var(--reading-accent);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.6;
}
.reading-page .hero-kicker span { width: 24px; height: 1px; flex: 0 0 auto; background: currentColor; }
.reading-page .seo-landing-hero h1 {
    margin: 0 0 26px;
    color: var(--reading-ink);
    font: 600 clamp(30px, 3vw, 46px)/1.3 var(--font-family-display);
    letter-spacing: -.025em;
    text-wrap: balance;
}
.reading-page .seo-landing-intro,
.reading-page .seo-landing-content p {
    max-width: 76ch;
    margin: 0 0 18px;
    color: var(--reading-text);
    font-size: 17px;
    line-height: 1.95;
}
.reading-page .seo-landing-content { max-width: 100%; }
.reading-page .seo-landing-content section { margin-bottom: 42px; scroll-margin-top: 150px; }
.reading-page .seo-landing-content h2 {
    margin: 0 0 20px;
    color: var(--reading-ink);
    font: 600 clamp(24px, 2vw, 30px)/1.45 var(--font-family-display);
}
.reading-page .seo-landing-content h3 {
    margin: 28px 0 12px;
    color: var(--reading-ink);
    font: 600 20px/1.55 var(--font-family-display);
}
.reading-page .seo-landing-faq { padding-top: 30px; border-top: 1px solid color-mix(in srgb, var(--reading-ink) 13%, transparent); }
.reading-page .seo-landing-faq details { border-color: color-mix(in srgb, var(--reading-ink) 13%, transparent); }
.reading-page .seo-landing-faq summary {
    padding: 22px 2px;
    color: var(--reading-ink);
    font-size: 18px;
    line-height: 1.7;
    scroll-margin-top: 150px;
}
.reading-page .seo-landing-faq summary::marker { color: var(--reading-accent); }
.reading-page .seo-landing-faq details[open] summary { color: var(--reading-accent); padding-bottom: 12px; }
.reading-page .seo-landing-faq details p { margin: 0; padding: 0 2px 24px; }
.reading-page .seo-landing-links { margin-left: 0; gap: 12px; padding-top: 28px; border-color: color-mix(in srgb, var(--reading-ink) 13%, transparent); }
.reading-page .seo-landing-links h2 { margin-bottom: 6px; font-size: 24px; }
.reading-page .seo-landing-links a {
    box-sizing: border-box;
    max-width: 100%;
    min-height: 44px;
    padding: 11px 17px;
    border: 1px solid color-mix(in srgb, var(--reading-accent) 20%, transparent);
    border-radius: 8px;
    background: color-mix(in srgb, var(--reading-accent) 6%, var(--paper-color));
    color: var(--reading-accent);
    font-size: 16px;
    line-height: 1.6;
}
.reading-page .seo-landing-links a[href$="/paipan"] { background: var(--reading-accent); color: white; }
.reading-page .seo-landing-links a:hover,
.reading-page .seo-breadcrumb a:hover { background: color-mix(in srgb, var(--reading-accent) 12%, var(--paper-color)); color: var(--reading-accent); }
.reading-page .seo-landing-shell :is(a, summary):focus-visible { outline: 2px solid var(--reading-accent); outline-offset: 4px; }
@media (max-width: 640px) {
    .reading-page main { margin-block: 24px; }
    .reading-page .seo-landing-shell { padding: 24px 20px; border-radius: 12px; }
    .reading-page .seo-breadcrumb { margin-bottom: 24px; }
    .reading-page .seo-landing-hero { margin-bottom: 34px; }
    .reading-page .seo-landing-intro,
    .reading-page .seo-landing-content p { font-size: 16px; line-height: 1.9; }
    .reading-page .seo-landing-content section { margin-bottom: 34px; }
    .reading-page .seo-landing-faq summary { font-size: 17px; padding-block: 20px; }
    .reading-page .seo-landing-links a { width: 100%; }
}