/* Shared meeting update: knowledge, education, scenarios and collaboration. */
.platform-section { padding: 80px 28px; color: #203d36; background: #fff; }
.platform-section.is-soft { background: #f3f6ef; }
.platform-shell { width: min(100%, 1160px); margin-inline: auto; }
.platform-kicker { margin: 0 0 16px; color: #597362; font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; }
.platform-heading { margin: 0 0 18px; color: #1b493b; font-size: clamp(26px, 3vw, 40px); line-height: 1.35; font-weight: 600; letter-spacing: -.025em; }
.platform-lead { max-width: 740px; margin: 0 0 32px; color: #60756c; font-size: 16px; line-height: 1.9; }
.platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.platform-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.platform-card { display: flex; flex-direction: column; align-items: flex-start; padding: 30px; border: 1px solid #dce5da; border-radius: 8px; background: #fff; color: #203d36; text-decoration: none; }
.platform-card h3 { margin: 12px 0; color: #244d3c; font-size: 21px; line-height: 1.5; }
.platform-card p { margin: 0 0 22px; color: #64756d; font-size: 15px; line-height: 1.85; }
.platform-number { font-size: 12px; letter-spacing: .12em; color: #688572; }
.platform-link { display: inline-flex; align-items: center; gap: 14px; color: #245e46; font-size: 14px; font-weight: 600; text-decoration: none; border-bottom: 1px solid #a7bfaa; padding-block: 6px; margin-top: auto; }
.platform-link:hover { color: #102f25; border-color: currentColor; }
.platform-actions { display: flex; flex-wrap: wrap; gap: 16px 28px; }
.platform-note { margin: 28px 0 0; padding: 18px 22px; border-left: 3px solid #8aa28d; background: #f4f7f0; color: #64756d; font-size: 14px; line-height: 1.8; }
.platform-status { font-size: 12px; padding: 5px 10px; border-radius: 4px; background: #edf2e8; color: #55705a; }
.platform-contact { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 32px; padding: 42px; border-radius: 8px; background: #173f35; color: #fff; }
.platform-contact h2, .platform-contact a { color: #fff; }
.platform-contact p { color: #c1d4c8; line-height: 1.8; }
.platform-contact .contact-email { display: inline-block; font-size: clamp(24px, 3vw, 36px); margin: 12px 0; text-decoration: none; border-bottom: 1px solid #7f9c8c; }
.platform-anchor, .platform-section[id] { scroll-margin-top: 140px; }
.knowledge-map { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: center; gap: 56px; }
.knowledge-diagram { display: block; width: 100%; max-width: 580px; margin-inline: auto; overflow: visible; }
.knowledge-diagram .map-segment { stroke: #f3f6ef; stroke-width: 3; transition: opacity .2s; }
.knowledge-diagram a:hover .map-segment, .knowledge-diagram a:focus .map-segment { opacity: .72; stroke: #355b44; }
.knowledge-diagram text { fill: #264b3d; font-family: 'Inter', 'Segoe UI', sans-serif; text-anchor: middle; pointer-events: none; font-size: 13px; font-weight: 600; }
.knowledge-diagram .map-center-title { font-size: 33px; letter-spacing: .04em; fill: #214e3e; }
.knowledge-diagram .map-center-label { font-size: 9px; letter-spacing: .13em; fill: #6f8877; }
.knowledge-links { list-style: none; padding: 0; margin: 0; }
.knowledge-links li { border-bottom: 1px solid #dce5da; }
.knowledge-links a { display: grid; grid-template-columns: 24px 1fr 20px; align-items: center; gap: 14px; padding: 17px 0; color: #294b3c; text-decoration: none; }
.knowledge-links strong { display: block; font-size: 16px; font-weight: 600; }
.knowledge-links small { display: block; margin-top: 6px; color: #6c7d70; font-size: 12px; line-height: 1.6; }
.knowledge-links .map-count { color: #8a9e87; font-size: 11px; }
.knowledge-links a:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.platform-section :is(a, button):focus-visible { outline: 3px solid #8a9f5b; outline-offset: 5px; }
.platform-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin: 28px 0; }
.platform-tabs button { padding: 10px 18px; font: inherit; font-size: 14px; color: #44634b; border: 1px solid #cbd7c9; border-radius: 30px; background: #fff; cursor: pointer; }
.platform-tabs button[aria-pressed="true"] { color: #fff; background: #295d43; border-color: #295d43; }
.platform-empty { padding: 36px; border: 1px dashed #cad6c6; border-radius: 8px; color: #64756d; line-height: 1.8; }
.scenario-card[hidden] { display: none; }
.habit-option { cursor: pointer; }
.habit-option input { width: 18px; height: 18px; margin-right: 8px; accent-color: #295d43; vertical-align: middle; }
.habit-week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; margin-top: 32px; }
.habit-day { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 16px 4px; color: #6b7d70; background: #f2f5ed; border-radius: 6px; font-size: 12px; }
.habit-day strong { font-size: 24px; }
.habit-day.is-complete { background: #295d43; color: #fff; }
.events-page .events-hero { background: #173f35; }
.events-page .events-hero h1 { color: #fff; }
.events-page .events-hero .container { width: min(100% - 48px, 1160px) !important; margin: 0 auto !important; }
.events-page .events-hero h1 { font-family: 'Inter', 'Microsoft YaHei', sans-serif; font-size: clamp(30px, 3.5vw, 48px); }
.events-page .main-container { box-sizing: border-box; }
.events-page .main-container > main { min-width: 0; }
.event-organizer-badge { display: inline-block; color: #47664d; font-size: 11px; margin-top: 8px; }
.event-results-summary { margin: 0 0 24px; font-size: 13px; color: #687b72; line-height: 1.8; }
@media (max-width: 767px) {
    .platform-section { padding: 50px 22px; }
    .platform-grid, .platform-grid.two, .platform-contact, .knowledge-map { grid-template-columns: 1fr; }
    .knowledge-map { gap: 26px; }
    .platform-grid { gap: 16px; }
    .platform-card, .platform-contact { padding: 24px; }
    .knowledge-diagram { max-width: 430px; }
    .knowledge-links a { padding: 15px 0; }
}
@media (prefers-reduced-motion: reduce) { .knowledge-diagram .map-segment { transition: none; } }