.event-detail-page [id^=section-]{scroll-margin-top:120px}.event-detail-nav{position:sticky;top:62px;z-index:50;background:#fffffffa;border-bottom:1px solid rgba(0,0,0,.06);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.event-detail-nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.event-detail-nav-title{flex-shrink:0;padding:14px 0;color:#333;font-size:1rem;font-weight:600;text-decoration:none;white-space:nowrap;transition:color .2s ease}.event-detail-nav-title:hover{color:var(--yuan-primary)}.event-detail-nav-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:nowrap;gap:4px;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none}.event-detail-nav-list::-webkit-scrollbar{display:none}.event-detail-nav-item{flex-shrink:0}.event-detail-nav-link{display:block;padding:14px 18px;color:#666;font-size:.95rem;font-weight:500;text-decoration:none;white-space:nowrap;border-bottom:3px solid transparent;margin-bottom:-1px;transition:color .2s ease,border-color .2s ease}.event-detail-nav-link:hover{color:#333}.event-detail-nav-link.is-active{color:var(--yuan-primary);border-bottom-color:var(--yuan-primary)}.event-detail-page{margin-top:0;padding-bottom:80px;background:#f0f0f0}.event-detail-hero{position:relative;width:100%;background:#333;overflow:hidden}.event-detail-hero-image{display:block;width:100%;max-width:1600px;height:auto;max-height:80vh;margin:0 auto}.event-detail-hero-placeholder{width:100%;max-width:1920px;margin:0 auto;padding-top:40vh;background:linear-gradient(135deg,#4a4a4a,#2d2d2d)}.event-detail-header{background:#fff;padding:28px 0 24px;box-shadow:0 1px #0000000f}.event-detail-header-inner{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.event-detail-header-title{margin:0;color:#111;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;letter-spacing:.02em}.event-detail-header-subtitle{margin:8px 0 0;color:#555;font-size:clamp(.95rem,1.5vw,1.15rem)}.event-detail-header-meta{margin:10px 0 0;color:#666;font-size:.9rem}.event-detail-header-meta-sep{margin:0 8px;opacity:.7}.event-detail-header-desc{margin:16px 0 0;color:#444;font-size:1rem;line-height:1.7}.event-detail-content{padding:0 0 40px}.event-detail-content-inner{max-width:1200px;margin:0 auto;padding:0 24px}.event-detail-tabs{display:flex;gap:4px;padding:20px 0 0;border-bottom:2px solid #ddd}.event-detail-tab{padding:12px 20px;border:0;background:transparent;color:#666;font-size:.95rem;font-weight:500;cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;transition:color .2s,border-color .2s}.event-detail-tab:hover{color:#333}.event-detail-tab[aria-selected=true]{color:#111;border-bottom-color:#c75a5a}.event-detail-body{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start;padding:28px 0 0}.event-detail-sidebar{position:sticky;top:140px;background:#fff;border-radius:var(--radius-md);padding:16px 0;box-shadow:var(--shadow-sm)}.event-detail-panel[hidden]{display:none!important}.event-detail-article-list{list-style:none;margin:0;padding:0}.event-detail-article-list li{margin:0}.event-detail-article-item{display:block;width:100%;padding:12px 18px;border:0;border-left:3px solid transparent;background:transparent;text-align:left;color:#444;font-size:.9rem;cursor:pointer;transition:background .2s,color .2s,border-color .2s}.event-detail-article-item:hover{background:#f5f5f5;color:#111}.event-detail-article-item.is-active{border-left-color:var(--yuan-primary);background:#c75a5a14;color:var(--yuan-primary);font-weight:600}.event-detail-article-empty{padding:16px 18px;color:#999;font-size:.9rem}.event-detail-main{min-height:320px;background:#fff;border-radius:var(--radius-md);padding:28px 32px 36px;box-shadow:var(--shadow-sm)}.event-detail-content-panel[hidden]{display:none!important}.event-detail-article-body{max-width:100%}.event-detail-article-title{margin:0 0 16px;font-size:1.35rem;font-weight:600;line-height:1.3}.event-detail-article-content{color:#333;font-size:.95rem;line-height:1.75}.event-detail-article-text{white-space:pre-wrap;word-break:break-word}.event-detail-article-empty-text{margin:0;color:#999;font-size:.95rem}.event-detail-footer{max-width:1200px;margin:0 auto;padding:24px 24px 0}.event-detail-back{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;color:var(--yuan-primary);font-size:.95rem;font-weight:500;text-decoration:none;background:transparent;border:1px solid rgba(199,90,90,.4);border-radius:var(--radius-lg);transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease}.event-detail-back:hover{color:#fff;background:var(--yuan-primary);border-color:var(--yuan-primary);box-shadow:var(--shadow-btn)}@media screen and (max-width:900px){.event-detail-body{grid-template-columns:1fr;gap:24px}.event-detail-sidebar{position:static}.event-detail-tabs{flex-wrap:wrap;gap:8px}.event-detail-tab{padding:10px 16px;font-size:.9rem}}@media screen and (max-width:640px){.event-detail-page [id^=section-]{scroll-margin-top:112px}.event-detail-nav{top:62px}.event-detail-nav-inner{padding:0 16px}.event-detail-nav-link{padding:12px 14px;font-size:.9rem}.event-detail-page{margin-top:0}.event-detail-header{padding:20px 0 18px}.event-detail-header-inner{padding:0 16px}.event-detail-main{padding:20px 20px 28px}}