/* 骨架 f5：门户头图版（黑顶栏 + 彩色频道块 + 大图 banner + 双栏门户）
   特征：顶部深色导航、"频道色块"四宫格、首页首屏大图区 */
.f5-wrap { max-width: var(--width); margin: 0 auto; padding: 0 18px; }

.f5-nav { background: #0b1220; color: rgba(255,255,255,.62); font-size: 12px; }
.f5-nav-in { display: flex; align-items: center; gap: 18px; height: 32px; }
.f5-home { color: #fff; font-weight: 600; }
.f5-quick { display: flex; gap: 14px; }
.f5-quick a { color: rgba(255,255,255,.62); }
.f5-quick a:hover { color: #fff; }
.f5-kw { margin-left: auto; display: flex; gap: 12px; }
.f5-kw a { color: rgba(255,255,255,.5); }
.f5-kw a:hover { color: #fff; }

.f5-hd { background: var(--card); padding: 14px 0; }
.f5-hd-in { display: flex; align-items: center; justify-content: space-between; gap: 22px; flex-wrap: wrap; }
.f5-logo { display: flex; align-items: center; gap: 12px; }
.f5-logo-ic { width: 44px; height: 44px; border-radius: var(--radius); background: linear-gradient(135deg, var(--brand), var(--brand-d)); color: #fff; font-size: 22px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.f5-logo-t { display: flex; flex-direction: column; gap: 2px; }
.f5-logo-t b { font-size: 21px; color: var(--txt); letter-spacing: .5px; line-height: 1.2; }
.f5-logo-t i { font-style: normal; font-size: 11.5px; color: var(--mut); letter-spacing: 1px; }

.f5-ch { display: grid; grid-template-columns: repeat(4, 96px); gap: 8px; }
.f5-ch a { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 52px; border-radius: var(--radius-s); color: #fff; gap: 1px; }
.f5-ch b { font-size: 14px; font-weight: 600; }
.f5-ch span { font-size: 8.5px; letter-spacing: .6px; opacity: .72; }
.f5-ch1 { background: var(--brand); }
.f5-ch2 { background: var(--brand-d); }
.f5-ch3 { background: #1f2937; }
.f5-ch4 { background: #64748b; }
.f5-ch a:hover { filter: brightness(1.12); }

.f5-menu { background: var(--brand-l); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.f5-menu-in { display: flex; gap: 6px; height: 44px; align-items: center; flex-wrap: wrap; }
.f5-menu a { font-size: 14px; padding: 6px 14px; color: var(--txt); border-radius: var(--radius-s); }
.f5-menu a:hover { background: var(--card); color: var(--brand); }
.f5-menu a.on { background: var(--brand); color: #fff; }

.f5-hero { background: linear-gradient(120deg, #0b1220 0%, #1e293b 46%, var(--brand-d) 100%); color: #fff; }
.f5-hero-in { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 40px; padding: 42px 18px 40px; align-items: center; }
.f5-hero-k { font-size: 11.5px; letter-spacing: 2.5px; color: rgba(255,255,255,.55); margin-bottom: 12px; }
.f5-hero h1 { font-size: 38px; line-height: 1.3; letter-spacing: 1px; }
.f5-hero-p { margin-top: 14px; font-size: 14.5px; line-height: 1.9; color: rgba(255,255,255,.72); max-width: 620px; }
.f5-hero-b { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.f5-hero-b a { background: #fff; color: #0b1220; padding: 10px 22px; font-size: 14px; border-radius: var(--radius-s); }
.f5-hero-b a:hover { background: var(--brand-l); }
.f5-hero-b .f5-hero-b2 { background: transparent; border: 1px solid rgba(255,255,255,.42); color: #fff; }
.f5-hero-b .f5-hero-b2:hover { background: rgba(255,255,255,.1); }
.f5-hero-side { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 16px 18px; }
.f5-hero-side-t { font-size: 12px; letter-spacing: 1.5px; color: rgba(255,255,255,.55); padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.12); margin-bottom: 6px; }
.f5-hero-hot { display: flex; gap: 10px; align-items: flex-start; padding: 9px 0; font-size: 13.5px; line-height: 1.55; }
.f5-hero-hot b { flex: none; color: var(--brand); font-size: 15px; font-style: italic; }
.f5-hero-hot span { color: rgba(255,255,255,.88); }
.f5-hero-hot:hover span { color: #fff; text-decoration: underline; }

.f5-minihero { background: linear-gradient(120deg, #0b1220 0%, var(--brand-d) 100%); color: #fff; padding: 30px 0 26px; }
.f5-minihero h1 { font-size: 30px; letter-spacing: 1px; margin-top: 4px; }
.f5-minihero-s { margin-top: 8px; font-size: 13px; color: rgba(255,255,255,.62); }

.f5-main { padding-top: 22px; padding-bottom: 10px; }
.f5-crumb { font-size: 12.5px; color: var(--mut); padding-bottom: 14px; }
.f5-crumb a { color: var(--brand); }
.f5-crumb span { margin: 0 7px; color: #cbd5e1; }
.f5-crumb-light { color: rgba(255,255,255,.55); padding-bottom: 16px; }
.f5-crumb-light a { color: rgba(255,255,255,.8); }
.f5-crumb-light span { color: rgba(255,255,255,.35); }

.f5-cols { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; align-items: start; }
.f5-col-side { display: flex; flex-direction: column; gap: 16px; }
.f5-panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; }
.f5-col-main > .f5-panel:last-child, .f5-col-side > .f5-panel:last-child { margin-bottom: 0; }
.f5-panel-h { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: linear-gradient(to right, var(--brand-l), var(--card) 62%); }
.f5-panel-h h2 { font-size: 16px; }
.f5-panel-h h2::before { content: ''; display: inline-block; width: 4px; height: 15px; background: var(--brand); border-radius: 2px; margin-right: 8px; vertical-align: -2px; }
.f5-panel-h a, .f5-panel-h span { font-size: 12.5px; color: var(--mut); }
.f5-panel-h a:hover { color: var(--brand); }

.f5-topnews { display: flex; gap: 16px; padding: 16px; border-bottom: 1px solid var(--line); }
.f5-topnews:hover { background: #fbfcfd; }
.f5-topnews-m { flex: none; width: 104px; height: 78px; border-radius: var(--radius-s); background: linear-gradient(135deg, var(--brand-l), #e2e8f0); color: var(--brand); font-size: 34px; font-weight: 700; display: flex; align-items: center; justify-content: center; opacity: .95; }
.f5-lbl { display: inline-block; font-size: 11px; color: #fff; background: var(--brand); padding: 1px 7px; border-radius: 3px; margin-bottom: 6px; }
.f5-topnews h3 { font-size: 19px; line-height: 1.45; color: var(--txt); }
.f5-topnews p { font-size: 13px; color: var(--mut); line-height: 1.75; margin-top: 6px; }
.f5-topnews i { font-style: normal; display: block; font-size: 11.5px; color: #9ca3af; margin-top: 8px; }

.f5-list { list-style: none; padding: 4px 16px 8px; }
.f5-list li { padding: 9px 0; border-bottom: 1px dashed var(--line); display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.f5-list li:last-child { border-bottom: 0; }
.f5-list a { font-size: 14px; color: var(--txt); line-height: 1.6; }
.f5-list a:hover { color: var(--brand); }
.f5-list li > span { font-size: 11.5px; color: #9ca3af; margin-left: auto; }
.f5-list-lg li { display: block; padding: 14px 0; }
.f5-list-lg a { font-size: 16px; font-weight: 500; }
.f5-list-lg p { font-size: 13px; color: var(--mut); line-height: 1.8; margin-top: 6px; }
.f5-list-lg li > span { display: block; margin: 7px 0 0; }

.f5-more { display: flex; gap: 14px; justify-content: center; padding: 10px 0 16px; flex-wrap: wrap; }
.f5-more a { font-size: 12.5px; color: var(--brand); border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; }
.f5-more a:hover { border-color: var(--brand); background: var(--brand-l); }

.f5-pager { display: flex; gap: 8px; justify-content: center; padding: 6px 0 18px; flex-wrap: wrap; }
.f5-pager a, .f5-pager span.on { min-width: 34px; text-align: center; padding: 6px 10px; font-size: 13px; border: 1px solid var(--line); border-radius: var(--radius-s); color: var(--txt); }
.f5-pager a:hover { border-color: var(--brand); color: var(--brand); }
.f5-pager span.on { background: var(--brand); border-color: var(--brand); color: #fff; }

.f5-hotlist { list-style: none; padding: 6px 16px 12px; }
.f5-hotlist li { display: flex; align-items: baseline; gap: 9px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.f5-hotlist li:last-child { border-bottom: 0; }
.f5-hot-n { flex: none; width: 18px; font-size: 14px; font-weight: 700; font-style: italic; color: #94a3b8; text-align: center; }
.f5-hot-n3 { color: #dc2626; }
.f5-hotlist a { flex: 1; font-size: 13.5px; color: var(--txt); line-height: 1.5; }
.f5-hotlist a:hover { color: var(--brand); }
.f5-hotlist em { flex: none; font-style: normal; font-size: 11px; color: #9ca3af; }

.f5-hotbig { list-style: none; padding: 6px 16px 12px; }
.f5-hotbig li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.f5-hotbig li:last-child { border-bottom: 0; }
.f5-hotbig-n { flex: none; width: 30px; height: 30px; border-radius: var(--radius-s); background: #f1f5f9; color: #94a3b8; font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.f5-hotbig-n.hot { background: var(--brand); color: #fff; }
.f5-hotbig a { font-size: 16px; line-height: 1.55; color: var(--txt); font-weight: 500; }
.f5-hotbig a:hover { color: var(--brand); }
.f5-hotbig p { font-size: 13px; color: var(--mut); line-height: 1.8; margin-top: 5px; }
.f5-hotbig em { display: block; font-style: normal; font-size: 11.5px; color: #9ca3af; margin-top: 5px; }

.f5-cloud { padding: 12px 16px 16px; }
.f5-cloud a { display: inline-block; font-size: 12px; padding: 4px 10px; margin: 0 7px 7px 0; border-radius: 999px; background: var(--brand-l); color: var(--brand-d); }
.f5-cloud a.lg { font-size: 13.5px; padding: 6px 14px; }
.f5-cloud a:hover { background: var(--brand); color: #fff; }
.f5-cloud-pad { padding: 16px; }
.f5-sites { list-style: none; padding: 8px 16px 14px; }
.f5-sites li { padding: 5px 0; font-size: 13.5px; }
.f5-sites a { color: var(--txt); }
.f5-sites a:hover { color: var(--brand); }

.f5-arthero { background: linear-gradient(120deg, #0b1220 0%, #1e293b 55%, var(--brand-d) 100%); color: #fff; background-size: cover; background-position: center; }
.f5-arthero-in { padding: 26px 18px 34px; }
.f5-arthero-k { font-size: 11.5px; letter-spacing: 2.5px; color: rgba(255,255,255,.55); margin-bottom: 10px; }
.f5-arthero h1 { font-size: 32px; line-height: 1.4; max-width: 900px; letter-spacing: .5px; }
.f5-arthero-m { margin-top: 12px; font-size: 12.5px; color: rgba(255,255,255,.62); }

.f5-article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 30px 20px; }
.f5-art-body p { font-size: 16px; line-height: 1.95; color: #374151; margin: 13px 0; }
.f5-art-body h2 { font-size: 20px; margin: 26px 0 12px; padding-left: 12px; border-left: 4px solid var(--brand); }
.f5-art-body h3 { font-size: 17px; margin: 20px 0 8px; }
.f5-art-tags { border-top: 1px dashed var(--line); margin-top: 18px; padding: 16px 0 4px; }
.f5-art-note { padding: 0; font-size: 13px; color: var(--mut); line-height: 1.9; margin: 8px 0; }

.f5-pn { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.f5-pn a { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 12px 16px; display: flex; flex-direction: column; gap: 5px; }
.f5-pn a:hover { border-color: var(--brand); }
.f5-pn span { font-size: 11px; color: var(--mut); }
.f5-pn b { font-size: 13.5px; font-weight: 500; color: var(--txt); line-height: 1.5; }
.f5-pn-n { text-align: right; }

.f5-ft { margin-top: 40px; background: #0b1220; color: rgba(255,255,255,.5); padding: 30px 0 22px; font-size: 12.5px; }
.f5-ft-cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 26px; }
.f5-ft-b b { color: #fff; font-size: 17px; }
.f5-ft-b p { margin-top: 8px; line-height: 1.9; }
.f5-ft-col h4 { color: rgba(255,255,255,.85); font-size: 12.5px; font-weight: 500; letter-spacing: 1px; margin-bottom: 10px; }
.f5-ft-col a { display: block; color: rgba(255,255,255,.5); padding: 3px 0; }
.f5-ft-col a:hover { color: #fff; }
.f5-ft-cp { margin-top: 22px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.32); }

@media (max-width: 980px) {
  .f5-hero-in { grid-template-columns: 1fr; gap: 24px; padding: 30px 18px; }
  .f5-hero h1 { font-size: 28px; }
  .f5-cols { grid-template-columns: 1fr; }
  .f5-ch { grid-template-columns: repeat(4, 1fr); width: 100%; }
  .f5-ft-cols { grid-template-columns: 1fr 1fr; }
  .f5-arthero h1 { font-size: 23px; }
  .f5-article { padding: 18px 16px 14px; }
  .f5-pn { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .f5-kw { display: none; }
  .f5-hero h1 { font-size: 23px; }
  .f5-topnews { flex-direction: column; }
  .f5-topnews-m { width: 100%; height: 64px; }
  .f5-ft-cols { grid-template-columns: 1fr; }
}