.guides-section { padding-top: 64px; padding-bottom: 72px; }
.guides-intro, .guide-card p { color: var(--muted); line-height: 1.9; }
.guide-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 24px; margin-top: 32px; }
.guide-card { display: flex; flex-direction: column; align-items: flex-start; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); padding: 32px; }
.guide-card h3 { font-size: 24px; line-height: 1.5; margin: 0; }
.guide-card p { max-width: 65ch; }
.guide-card-action { margin-top: auto; padding-top: 20px; color: var(--purple); font-weight: 700; }
.guide-card:hover { border-color: var(--purple); }
.guide-card:focus-visible, .guide-toc a:focus-visible { outline: 2px solid var(--purple); outline-offset: 5px; }
.guide-main { padding-top: 64px; padding-bottom: 80px; }
.guide-hero { max-width: 920px; padding-bottom: 48px; }
.guide-hero h1 { font-size: clamp(32px, 5vw, 60px); line-height: 1.3; margin: 16px 0 24px; }
.guide-lead { font-size: 20px; line-height: 1.8; }
.guide-version, .guide-note { color: var(--muted); font-size: 14px; line-height: 1.8; }
.guide-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 56px; align-items: start; }
.guide-toc { position: sticky; top: 110px; max-height: calc(100vh - 130px); overflow-y: auto; }
.guide-toc h2 { font-size: 18px; }
.guide-toc ul { list-style: none; padding: 0; }
.guide-toc a { display: block; padding: 10px 0; font-size: 15px; line-height: 1.6; color: var(--muted); }
.guide-toc a:hover { color: var(--purple); }
.guide-document { min-width: 0; overflow-wrap: anywhere; }
.guide-document section { padding: 32px 0; border-top: 1px solid var(--line); scroll-margin-top: 110px; }
.guide-document h2 { font-size: clamp(22px, 3vw, 28px); line-height: 1.5; }
.guide-document p, .guide-diagram figcaption { font-size: 16px; line-height: 2; }
.guide-diagram { margin: 0 0 40px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.guide-diagram img { width: 100%; height: auto; display: block; }
.guide-document .guide-note { font-size: 14px; color: var(--muted); }
@media (max-width: 800px) {
 .guide-layout { grid-template-columns: 1fr; gap: 24px; }
 .guide-toc { position: static; max-height: none; border-bottom: 1px solid var(--line); padding-bottom: 20px; }
 .guide-main { padding-top: 32px; }
 .guide-diagram, .guide-card { padding: 20px; }
 .guide-lead { font-size: 18px; }
}
.guide-toc { display: block; order: 0; }
.guide-diagram figcaption { text-align: left; }
.guide-document .button { white-space: normal; text-align: center; min-width: 0; }

.guide-screenshot { margin: 28px 0 36px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); overflow: hidden; }
.guide-screenshot > a { display: block; cursor: zoom-in; }
.guide-screenshot img { display: block; width: 100%; height: auto; }
.guide-screenshot figcaption { display: grid; gap: 8px; margin: 0; padding: 18px 20px; text-align: left; font-size: 14px; line-height: 1.8; }
.guide-screenshot figcaption strong { color: var(--text); }
.guide-screenshot figcaption span { color: var(--muted); }
.guide-screenshot figcaption a { color: var(--purple); text-decoration: underline; text-underline-offset: 4px; }
.guide-screenshot a:focus-visible { outline: 3px solid var(--purple); outline-offset: -3px; }

.guide-task-table { margin: 28px 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.guide-task-table table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 15px; line-height: 1.9; }
.guide-task-table th, .guide-task-table td { padding: 18px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.guide-task-table th:first-child { width: 32%; }
.guide-task-table thead { background: var(--panel); color: var(--purple); }
.guide-task-table tbody th { font-weight: 600; }
.guide-task-table tr:last-child th, .guide-task-table tr:last-child td { border-bottom: 0; }
@media (max-width: 480px) { .guide-task-table th, .guide-task-table td { padding: 12px 10px; } }
.guide-task-table table { white-space: normal; }
.guide-task-table th, .guide-task-table td { border: 1px solid var(--line); }
.guide-task-table th { background: var(--panel); }
.guide-task-table tbody th { color: var(--text); }

.database-feature-table caption { padding: 16px; text-align: left; color: var(--text); font-weight: 700; }
.database-feature-table th:first-child { width: 28%; }
@media (max-width: 480px) { .database-feature-table table { font-size: 13px; line-height: 1.7; } .database-feature-table th, .database-feature-table td { padding: 10px 7px; } }

.guides-guidance { margin: 28px 0 36px; padding: 28px 32px; border: 1px solid var(--line); border-left: 5px solid var(--purple); border-radius: 16px; background: var(--panel); color: var(--text); overflow-wrap: anywhere; }
.guides-guidance p { margin: 0; max-width: none; font-size: 18px; line-height: 1.9; }
.guides-guidance p + p { margin-top: 14px; }
.guides-guidance .guides-guidance-lead { font-size: clamp(20px, 2.3vw, 24px); font-weight: 700; }
.guides-guidance .guides-guidance-audience { padding-top: 18px; margin-top: 20px; border-top: 1px solid var(--line); color: var(--purple); }
@media (max-width: 600px) { .guides-guidance { padding: 22px 20px; } .guides-guidance p { font-size: 16px; } }