* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.site-main { min-height: calc(100vh - 280px); }
.page-shell { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.page-hero { padding: 48px 0 36px; background: var(--surface); border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 0 0 10px; font-size: clamp(30px, 4vw, 44px); font-weight: 700; }
.page-hero p { max-width: 720px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.section { padding: 64px 0; }
.section-muted { background: var(--surface); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.section-kicker { color: var(--brand-dark); font-size: 13px; font-weight: 700; }
.section-title { margin: 5px 0 0; font-size: 28px; font-weight: 700; }
.section-more { color: var(--brand-dark); font-weight: 600; }
.text-muted { color: var(--muted) !important; }
.btn-brand { color: #fff; background: var(--brand); border-color: var(--brand); }
.btn-brand:hover, .btn-brand:focus { color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
.btn-outline-brand { color: var(--brand-dark); border-color: var(--brand); }
.btn-outline-brand:hover { color: #fff; background: var(--brand); }
.tag { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 9px; color: #087a4d; background: #e8f8f0; border: 1px solid #c7eedb; border-radius: 4px; font-size: 12px; }
.content-copy { color: #334155; font-size: 16px; line-height: 1.9; white-space: pre-wrap; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; padding: 20px 0 26px; }
.filter-bar .form-control, .filter-bar .form-select { min-height: 46px; border-color: var(--line); border-radius: 6px; }
.filter-bar .search-control { flex: 1 1 320px; }
.result-count { margin: 0 0 18px; color: var(--muted); }
.state-panel { min-height: 280px; display: grid; place-items: center; padding: 48px 20px; border: 1px dashed #c9d5dc; border-radius: var(--radius); text-align: center; background: #fff; }
.state-panel i { display: block; margin-bottom: 12px; color: var(--brand); font-size: 34px; }
.state-panel strong, .state-panel h3 { display: block; font-size: 18px; }
.state-panel span, .state-panel p { display: block; margin: 8px 0 0; color: var(--muted); }
.skeleton { overflow: hidden; position: relative; min-height: 180px; background: #e8edef; border-radius: var(--radius); }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, rgba(255,255,255,.7), transparent); animation: shimmer 1.3s infinite; }
.skeleton-card { height: 100%; min-height: 240px; display: block; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.skeleton-block { display: block; overflow: hidden; position: relative; background: #e8edef; }
.skeleton-block::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, rgba(255,255,255,.7), transparent); animation: shimmer 1.3s infinite; }
.skeleton-media { height: 160px; margin-bottom: 18px; border-radius: 5px; }
.skeleton-line { width: 65%; height: 14px; margin-top: 10px; border-radius: 3px; }
.skeleton-line.wide { width: 90%; }
.min-w-0 { min-width: 0; }
@keyframes shimmer { to { transform: translateX(100%); } }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }
@media (max-width: 767px) { .page-shell { width: min(calc(100% - 28px), var(--container)); } .section { padding: 44px 0; } .section-head { align-items: start; margin-bottom: 20px; } .section-title { font-size: 23px; } .page-hero { padding: 34px 0 28px; } }