:root {
  --ink: #17211b;
  --muted: #67736c;
  --line: #e2e8e3;
  --soft: #f4f7f3;
  --paper: #fbfcfa;
  --white: #ffffff;
  --green: #176b46;
  --green-2: #249263;
  --green-soft: #e7f4ec;
  --lime: #c8ee57;
  --amber: #b76516;
  --amber-soft: #fff5e8;
  --shadow: 0 16px 46px rgba(20, 52, 34, 0.09);
  --header-height: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
svg { display: block; }
.shell { width: min(1440px, calc(100% - 48px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.reading-progress { position: fixed; z-index: 100; top: 0; left: 0; height: 3px; width: 0; background: var(--lime); }
.notice-bar { color: #dbeae1; background: #143828; font-size: 13px; }
.notice-inner { min-height: 34px; display: flex; align-items: center; gap: 20px; }
.notice-inner > span { display: flex; align-items: center; gap: 7px; color: #fff; font-weight: 600; }
.notice-inner > span i { width: 6px; height: 6px; border-radius: 99px; background: var(--lime); box-shadow: 0 0 0 4px rgba(200,238,87,.12); }
.notice-inner p { margin: 0; flex: 1; color: #abc5b6; }
.notice-inner a { color: var(--lime); font-weight: 600; }
.notice-inner a span { display: inline-block; transition: transform .2s; }
.notice-inner a:hover span { transform: translateX(3px); }

.site-header { position: sticky; z-index: 50; top: 0; background: rgba(251,252,250,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; color: white; background: var(--green); box-shadow: inset 0 0 0 1px rgba(255,255,255,.16); }
.brand-mark svg { width: 28px; height: 28px; fill: var(--lime); stroke: #fff; stroke-width: 1.4; stroke-linejoin: round; }
.brand-copy { display: grid; line-height: 1.1; gap: 5px; }
.brand-copy b { font-size: 16px; letter-spacing: .02em; }
.brand-copy small { color: #7b8980; font-family: "DM Sans", sans-serif; font-size: 9px; letter-spacing: .17em; }
.top-nav { display: flex; align-items: center; justify-content: center; gap: 3px; flex: 1; }
.top-nav a { position: relative; padding: 26px 12px 24px; color: #465149; font-size: 14px; font-weight: 500; white-space: nowrap; }
.top-nav a::after { content: ""; position: absolute; right: 12px; bottom: -1px; left: 12px; height: 2px; background: var(--green); transform: scaleX(0); transition: transform .2s; }
.top-nav a:hover, .top-nav a.active { color: var(--green); }
.top-nav a.active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.search-trigger { height: 38px; display: flex; align-items: center; gap: 7px; padding: 0 8px 0 11px; color: #667069; background: var(--white); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.search-trigger svg, .search-box svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.search-trigger span { font-size: 13px; }
kbd { padding: 2px 5px; color: #7c8780; background: var(--soft); border: 1px solid #e8ece8; border-radius: 5px; font-family: inherit; font-size: 10px; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 10px; background: transparent; border: 0; cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 4px 0; background: var(--ink); transition: .2s; }

.page-shell { display: grid; grid-template-columns: 220px minmax(0, 820px) 190px; justify-content: space-between; gap: 38px; padding-top: 34px; padding-bottom: 100px; }
.left-sidebar, .right-sidebar { min-width: 0; }
.sidebar-block, .toc-wrap { position: sticky; top: 105px; }
.eyebrow { margin: 0 0 12px; color: #94a098; font-family: "DM Sans", "Noto Sans SC", sans-serif; font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.section-nav { display: grid; gap: 3px; }
.section-nav a { display: flex; align-items: center; gap: 10px; min-height: 39px; padding: 8px 10px; color: #647068; border-radius: 9px; font-size: 13px; transition: .2s; }
.section-nav a span { width: 23px; height: 23px; display: grid; place-items: center; color: #7b8880; background: #edf1ed; border-radius: 7px; font-family: "DM Sans", sans-serif; font-size: 10px; font-weight: 700; }
.section-nav a:hover { color: var(--ink); background: #f0f4f0; transform: translateX(2px); }
.section-nav a.active { color: var(--green); background: var(--green-soft); font-weight: 600; }
.section-nav a.active span { color: white; background: var(--green); }
.side-card { margin-top: 34px; padding: 18px; background: #173d2c; border-radius: 14px; color: white; box-shadow: var(--shadow); }
.side-card-icon { width: 28px; height: 28px; display: grid; place-items: center; margin-bottom: 14px; color: #163a2a; background: var(--lime); border-radius: 8px; font-weight: 800; }
.side-card b { display: block; font-size: 14px; }
.side-card p { margin: 8px 0 15px; color: #aec7b8; font-size: 12px; line-height: 1.7; }
.side-card a { color: var(--lime); font-size: 12px; font-weight: 700; }

.main-content { min-width: 0; outline: none; }
.breadcrumbs { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; color: #89958d; font-size: 12px; }
.breadcrumbs a:hover { color: var(--green); }
.breadcrumbs span { color: #c1c9c3; }
.article-header { margin-bottom: 34px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.category-pill { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 14px; padding: 6px 10px; color: var(--green); background: var(--green-soft); border-radius: 999px; font-size: 11px; font-weight: 700; }
.category-pill::before { content: ""; width: 5px; height: 5px; border-radius: 99px; background: var(--green-2); }
h1 { max-width: 750px; margin: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.16; letter-spacing: -.045em; }
.article-lead { max-width: 700px; margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.85; }
.byline { display: flex; align-items: center; gap: 12px; margin-top: 21px; color: #87928b; font-size: 12px; }
.byline .avatar { width: 28px; height: 28px; display: grid; place-items: center; color: white; background: var(--green); border-radius: 99px; font-size: 11px; font-weight: 700; }
.byline b { color: #4f5d54; font-weight: 600; }

.hero-panel { position: relative; min-height: 290px; display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 24px; margin: 8px 0 36px; padding: 42px; overflow: hidden; color: white; background: #153e2b; border-radius: 22px; box-shadow: var(--shadow); }
.hero-panel::before { content: ""; position: absolute; width: 360px; height: 360px; right: -160px; top: -180px; border: 1px solid rgba(200,238,87,.2); border-radius: 50%; box-shadow: 0 0 0 46px rgba(200,238,87,.04), 0 0 0 92px rgba(200,238,87,.025); }
.hero-panel h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.3; }
.hero-panel p { margin: 0 0 24px; color: #bad0c3; line-height: 1.8; }
.hero-cta { display: inline-flex; align-items: center; gap: 8px; padding: 11px 16px; color: #143828; background: var(--lime); border-radius: 10px; font-size: 13px; font-weight: 800; }
.radar { position: relative; width: 170px; height: 170px; justify-self: center; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 26px, rgba(255,255,255,.1) 27px 28px); }
.radar::before, .radar::after { content: ""; position: absolute; background: rgba(255,255,255,.13); }
.radar::before { width: 1px; height: 100%; left: 50%; }
.radar::after { width: 100%; height: 1px; top: 50%; }
.radar .sweep { position: absolute; inset: 12px; border-radius: 50%; background: conic-gradient(from 20deg, rgba(200,238,87,.45), transparent 23%); animation: spin 5s linear infinite; }
.radar i { position: absolute; z-index: 2; width: 7px; height: 7px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 0 6px rgba(200,238,87,.12); }
.radar i:nth-of-type(1) { left: 39px; top: 49px; }
.radar i:nth-of-type(2) { right: 31px; bottom: 54px; }
.radar i:nth-of-type(3) { left: 76px; bottom: 22px; }
@keyframes spin { to { transform: rotate(360deg); } }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 28px 0 38px; }
.stat-card { padding: 20px; background: var(--white); border: 1px solid var(--line); border-radius: 14px; }
.stat-card strong { display: block; color: var(--green); font-family: "DM Sans", sans-serif; font-size: 29px; letter-spacing: -.03em; }
.stat-card span { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
.content-section { margin: 0 0 48px; }
.content-section h2 { margin: 0 0 17px; font-size: 26px; line-height: 1.35; letter-spacing: -.025em; }
.content-section h3 { margin: 28px 0 10px; font-size: 18px; }
.content-section > p, .content-section li { color: #526058; font-size: 15px; line-height: 1.95; }
.content-section > p { margin: 0 0 16px; }
.content-section ul, .content-section ol { padding-left: 21px; }
.content-section li + li { margin-top: 7px; }
.section-kicker { display: block; margin-bottom: 8px; color: var(--green-2); font-family: "DM Sans", sans-serif; font-size: 11px; font-weight: 800; letter-spacing: .11em; }
.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 20px; }
.info-card { position: relative; min-height: 165px; padding: 22px; background: var(--white); border: 1px solid var(--line); border-radius: 15px; transition: .25s; }
.info-card:hover { border-color: #b9d6c5; box-shadow: 0 12px 30px rgba(30,75,49,.08); transform: translateY(-3px); }
.info-card .card-no { position: absolute; top: 18px; right: 18px; color: #c7d0ca; font-family: "DM Sans", sans-serif; font-size: 12px; font-weight: 700; }
.info-card .icon-chip { width: 36px; height: 36px; display: grid; place-items: center; margin-bottom: 17px; color: var(--green); background: var(--green-soft); border-radius: 10px; font-weight: 800; }
.info-card h3 { margin: 0 0 8px; font-size: 16px; }
.info-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.callout { display: grid; grid-template-columns: auto 1fr; gap: 14px; margin: 22px 0; padding: 19px 20px; background: var(--amber-soft); border: 1px solid #f4dfc6; border-radius: 13px; }
.callout > span { width: 27px; height: 27px; display: grid; place-items: center; color: white; background: #d4832c; border-radius: 8px; font-weight: 800; }
.callout b { display: block; margin-bottom: 4px; color: #704416; font-size: 13px; }
.callout p { margin: 0; color: #8c643b; font-size: 13px; line-height: 1.7; }
.checklist { display: grid; gap: 10px; padding: 0 !important; list-style: none; }
.checklist li { position: relative; padding: 13px 16px 13px 42px; background: white; border: 1px solid var(--line); border-radius: 10px; }
.checklist li::before { content: "✓"; position: absolute; left: 14px; top: 13px; width: 19px; height: 19px; display: grid; place-items: center; color: white; background: var(--green-2); border-radius: 99px; font-size: 11px; font-weight: 800; }
.comparison { width: 100%; margin: 20px 0; overflow: hidden; border: 1px solid var(--line); border-collapse: separate; border-spacing: 0; border-radius: 13px; font-size: 13px; }
.comparison th, .comparison td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.comparison th { color: #536057; background: #f0f4f0; font-weight: 700; }
.comparison td { color: #5f6b64; background: white; }
.comparison tr:last-child td { border-bottom: 0; }
.tag { display: inline-block; padding: 3px 7px; color: var(--green); background: var(--green-soft); border-radius: 5px; font-size: 10px; font-weight: 700; }

.toc { display: grid; gap: 2px; padding-left: 12px; border-left: 1px solid var(--line); }
.toc a { position: relative; display: block; padding: 7px 0 7px 10px; color: #7a867e; font-size: 12px; line-height: 1.45; transition: .2s; }
.toc a::before { content: ""; position: absolute; width: 2px; height: 100%; left: -13px; top: 0; background: var(--green); transform: scaleY(0); transition: transform .2s; }
.toc a:hover, .toc a.active { color: var(--green); }
.toc a.active::before { transform: scaleY(1); }
.toc a.level-3 { padding-left: 22px; font-size: 11px; }
.article-meta { display: grid; gap: 3px; margin-top: 25px; padding-top: 18px; border-top: 1px solid var(--line); }
.article-meta span { color: #9aa39d; font-size: 10px; }
.article-meta b { color: #69756d; font-family: "DM Sans", sans-serif; font-size: 11px; }

.site-footer { color: #a9bdb1; background: #102d21; border-top: 1px solid #244334; }
.footer-inner { min-height: 210px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.footer-brand { color: white; }
.footer-brand .brand-copy small { color: #829b8d; }
.footer-inner > div > p { margin: 18px 0 0; font-size: 12px; }
.footer-links { display: flex; gap: 24px; color: #c4d4cb; font-size: 12px; }
.footer-links a:hover { color: var(--lime); }

.search-modal[hidden] { display: none; }
.search-modal { position: fixed; z-index: 200; inset: 0; display: grid; place-items: start center; padding-top: 13vh; }
.search-backdrop { position: absolute; inset: 0; background: rgba(9,27,18,.68); backdrop-filter: blur(5px); }
.search-panel { position: relative; width: min(620px, calc(100% - 32px)); overflow: hidden; background: white; border-radius: 17px; box-shadow: 0 28px 80px rgba(0,0,0,.25); }
.search-box { height: 66px; display: flex; align-items: center; gap: 12px; padding: 0 18px; border-bottom: 1px solid var(--line); }
.search-box svg { width: 21px; color: #77837c; }
.search-box input { min-width: 0; flex: 1; border: 0; outline: 0; font-size: 15px; }
.search-box button { padding: 5px 7px; color: #849087; background: var(--soft); border: 0; border-radius: 5px; font-size: 10px; cursor: pointer; }
.search-results { max-height: 380px; overflow: auto; padding: 10px; }
.search-result { display: block; padding: 13px 14px; border-radius: 10px; }
.search-result:hover { background: var(--soft); }
.search-result b { display: block; margin-bottom: 3px; font-size: 13px; }
.search-result span, .empty-result { color: var(--muted); font-size: 11px; }
.empty-result { padding: 35px; text-align: center; }

@media (max-width: 1240px) {
  .shell { width: min(1160px, calc(100% - 36px)); }
  .brand-copy small { display: none; }
  .top-nav a { padding-inline: 8px; font-size: 13px; }
  .page-shell { grid-template-columns: 195px minmax(0, 1fr) 170px; gap: 24px; }
}
@media (max-width: 990px) {
  .notice-inner p { display: none; }
  .header-inner { min-height: 64px; }
  .top-nav { position: absolute; top: 64px; right: 0; left: 0; display: none; padding: 10px 18px 18px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .top-nav.open { display: grid; }
  .top-nav a { padding: 11px 12px; border-radius: 8px; }
  .top-nav a.active { background: var(--green-soft); }
  .top-nav a::after { display: none; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: block; }
  .page-shell { grid-template-columns: 190px minmax(0, 1fr); }
  .right-sidebar { display: none; }
}
@media (max-width: 720px) {
  .shell { width: min(100% - 28px, 680px); }
  .notice-inner { justify-content: space-between; }
  .notice-inner > span { font-size: 11px; }
  .notice-inner a { font-size: 11px; }
  .search-trigger span, .search-trigger kbd { display: none; }
  .search-trigger { width: 38px; justify-content: center; padding: 0; }
  .page-shell { display: block; padding-top: 18px; }
  .left-sidebar { margin-bottom: 28px; }
  .sidebar-block { position: static; }
  .sidebar-block .eyebrow { display: none; }
  .section-nav { display: flex; margin-inline: -14px; padding: 0 14px 10px; overflow-x: auto; scrollbar-width: none; }
  .section-nav::-webkit-scrollbar { display: none; }
  .section-nav a { flex: none; min-height: 36px; padding: 7px 11px; background: #f0f4f0; }
  .section-nav a span { display: none; }
  .side-card { display: none; }
  .article-header { margin-bottom: 26px; }
  h1 { font-size: 34px; }
  .article-lead { font-size: 15px; }
  .hero-panel { min-height: auto; display: block; padding: 28px; }
  .hero-panel h2 { font-size: 24px; }
  .radar { display: none; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat-card { display: flex; align-items: center; justify-content: space-between; }
  .stat-card span { text-align: right; }
  .card-grid { grid-template-columns: 1fr; }
  .content-section h2 { font-size: 23px; }
  .comparison { display: block; overflow-x: auto; white-space: nowrap; }
  .footer-inner { min-height: 250px; display: grid; align-content: center; }
  .footer-links { flex-wrap: wrap; }
}

/* 15家机场推荐与对比矩阵专用样式 */
.airport-filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin: 20px 0 26px; }
.filter-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; font-weight: 600; color: #536257; cursor: pointer; transition: all .2s; }
.filter-btn:hover { border-color: #bcd5c5; color: var(--green); background: #f6faf7; }
.filter-btn.active { background: var(--green); border-color: var(--green); color: #fff; box-shadow: 0 4px 14px rgba(23,107,70,0.22); }
.filter-btn .filter-count { display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 5px; font-size: 10px; font-weight: 700; border-radius: 99px; background: #edf2ee; color: #627267; font-family: "DM Sans", sans-serif; }
.filter-btn.active .filter-count { background: rgba(255,255,255,0.22); color: #fff; }

.airport-rec-list { display: grid; gap: 22px; margin-top: 14px; }
.airport-rec-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; position: relative; }
.airport-rec-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(20,52,34,0.08); border-color: #b3d4be; }
.airport-rec-card.pending-review { background: linear-gradient(155deg, #ffffff, #fffcf6); border-color: #eee1ce; }

.rec-top-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.rec-badge-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rec-rank { display: inline-block; padding: 3px 9px; font-family: "DM Sans", sans-serif; font-size: 11px; font-weight: 800; color: #176b46; background: #e7f4ec; border-radius: 6px; letter-spacing: .03em; }
.rec-category-tag { font-size: 11px; font-weight: 600; color: #495e51; background: #f0f5f1; padding: 3px 9px; border-radius: 6px; }
.rec-status-tag { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 700; padding: 4px 11px; border-radius: 99px; }
.rec-status-tag.verified { color: #176b46; background: #e7f4ec; border: 1px solid #c9e3d2; }
.rec-status-tag.pending { color: #a05a18; background: #fff5e8; border: 1px solid #f0dec5; }

.rec-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.rec-brand { display: flex; align-items: center; gap: 14px; }
.rec-logo { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; font-size: 22px; font-weight: 800; color: #fff; flex: none; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.22); }
.rec-logo.logo-violet { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.rec-logo.logo-blue { background: linear-gradient(135deg, #0284c7, #0369a1); }
.rec-logo.logo-coral { background: linear-gradient(135deg, #f97316, #ea580c); }
.rec-logo.logo-green { background: linear-gradient(135deg, #10b981, #059669); }
.rec-name-box h3 { margin: 0; font-size: 21px; font-weight: 700; color: var(--ink); line-height: 1.25; }
.rec-name-box small { display: block; margin-top: 3px; font-family: "DM Sans", sans-serif; font-size: 13px; color: #829186; font-weight: 500; }
.rec-price-box { text-align: right; }
.rec-price-label { display: block; font-size: 10px; color: #8e9b92; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 2px; }
.rec-price-val { display: block; font-family: "DM Sans", sans-serif; font-size: 22px; font-weight: 800; color: #176b46; line-height: 1.2; }

.rec-tags-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.rec-tag-pill { font-size: 11px; padding: 4px 9px; border-radius: 6px; background: #f2f6f3; color: #435b4c; font-weight: 500; border: 1px solid #e1ebe3; }

.rec-quote-box { padding: 13px 18px; background: #f8faf8; border-left: 3px solid #176b46; border-radius: 0 10px 10px 0; margin-bottom: 16px; font-size: 13px; line-height: 1.75; color: #3d4f44; }
.rec-quote-box strong { color: #176b46; font-weight: 700; margin-right: 4px; }

.rec-specs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.rec-spec-item { padding: 11px 13px; background: #fafcfb; border: 1px solid #e5ede7; border-radius: 11px; }
.rec-spec-item label { display: block; font-size: 10px; color: #87948b; font-weight: 700; margin-bottom: 4px; text-transform: uppercase; letter-spacing: .03em; }
.rec-spec-item span { display: block; font-size: 12px; font-weight: 600; color: #2d3b32; line-height: 1.45; }

.rec-caution-box { display: flex; align-items: flex-start; gap: 8px; padding: 11px 15px; background: #fff9f0; border: 1px solid #f6e6cd; border-radius: 10px; font-size: 12px; color: #8a6234; line-height: 1.6; margin-bottom: 16px; }
.rec-caution-box i { color: #d97706; font-style: normal; font-weight: 800; font-size: 13px; flex: none; line-height: 1.4; }

.rec-actions-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 14px; }
.btn-official { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; color: #143828; background: var(--lime); border-radius: 10px; font-size: 13px; font-weight: 800; text-decoration: none; transition: all .2s; box-shadow: 0 4px 14px rgba(200,238,87,0.38); }
.btn-official:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(200,238,87,0.55); color: #102d20; }
.btn-review { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; color: #176b46; background: #e7f4ec; border: 1px solid #cce5d5; border-radius: 10px; font-size: 13px; font-weight: 700; text-decoration: none; transition: all .2s; }
.btn-review:hover { background: #d4ecde; transform: translateY(-2px); color: #115335; }

/* 速查矩阵表格样式 */
.rec-matrix-wrap { overflow-x: auto; margin: 24px 0 38px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: 0 4px 20px rgba(20,52,34,0.03); }
.rec-matrix-table { width: 100%; border-collapse: collapse; font-size: 13px; white-space: nowrap; }
.rec-matrix-table th { background: #f2f7f4; color: #3b4e42; font-weight: 700; padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 12px; }
.rec-matrix-table td { padding: 14px 16px; border-bottom: 1px solid #edf2ee; color: #48564d; vertical-align: middle; }
.rec-matrix-table tr:hover td { background: #f8faf8; }
.rec-matrix-table tr:last-child td { border-bottom: 0; }
.matrix-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.matrix-logo { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font-size: 13px; font-weight: 800; color: #fff; flex: none; }
.matrix-actions { display: flex; align-items: center; gap: 8px; }
.table-btn-official { padding: 5px 10px; border-radius: 6px; background: var(--lime); color: #143828; font-size: 11px; font-weight: 800; text-decoration: none; display: inline-flex; align-items: center; gap: 4px; }
.table-btn-official:hover { opacity: .9; }
.table-btn-review { padding: 4px 9px; border-radius: 6px; background: #e7f4ec; color: #176b46; border: 1px solid #cce5d5; font-size: 11px; font-weight: 700; text-decoration: none; }
.table-btn-review:hover { background: #d7ecdf; }

@media (max-width: 720px) {
  .rec-specs-grid { grid-template-columns: 1fr 1fr; }
  .rec-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .rec-price-box { text-align: left; }
  .rec-actions-bar { width: 100%; }
  .btn-official, .btn-review { flex: 1; justify-content: center; text-align: center; }
}

/* 客户端教程专题专属增强样式 */
.client-quick-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0 32px; }
.client-quick-card { display: flex; align-items: center; gap: 14px; padding: 14px 18px; background: #fff; border: 1px solid var(--line); border-radius: 12px; transition: all .2s ease; text-decoration: none; color: var(--ink); }
.client-quick-card:hover { border-color: #b9d8c4; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(20,52,34,0.06); }
.client-quick-card .c-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; font-size: 15px; font-weight: 800; color: #fff; flex: none; }
.client-quick-card .c-icon.c-verge { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.client-quick-card .c-icon.c-rocket { background: linear-gradient(135deg, #0ea5e9, #0284c7); }
.client-quick-card .c-icon.c-v2ray { background: linear-gradient(135deg, #10b981, #059669); }
.client-quick-card .c-icon.c-android { background: linear-gradient(135deg, #84cc16, #4d7c0f); }
.client-quick-card .c-icon.c-mac { background: linear-gradient(135deg, #64748b, #334155); }
.client-quick-card .c-icon.c-singbox { background: linear-gradient(135deg, #f59e0b, #d97706); }
.client-quick-card .c-meta { flex: 1; min-width: 0; }
.client-quick-card .c-meta strong { display: block; font-size: 14px; line-height: 1.3; }
.client-quick-card .c-meta span { display: block; font-size: 11px; color: var(--muted); margin-top: 3px; }
.client-quick-card .c-arrow { color: #9bb0a3; font-weight: 700; font-size: 14px; transition: transform .2s; }
.client-quick-card:hover .c-arrow { color: var(--green); transform: translateX(3px); }

.tutorial-block { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px; margin: 28px 0; box-shadow: 0 4px 18px rgba(20,52,34,0.03); }
.tutorial-header-bar { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid #edf2ee; }
.tutorial-title-group { display: flex; align-items: center; gap: 12px; }
.tutorial-title-group h2 { margin: 0; font-size: 22px; }
.platform-tag { font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 6px; background: #eaf3ed; color: var(--green); }
.back-top-link { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: #718277; font-weight: 600; text-decoration: none; padding: 4px 10px; border-radius: 6px; background: #f2f6f3; transition: all .2s; }
.back-top-link:hover { color: var(--green); background: #e3ede6; }

.step-flow-list { display: grid; gap: 18px; margin: 22px 0; }
.step-item { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px; background: #fafcfb; border: 1px solid #e7efe9; border-radius: 14px; transition: border-color .2s; }
.step-item:hover { border-color: #b5d5bf; }
.step-num { width: 44px; height: 44px; border-radius: 12px; background: #e6f3eb; color: var(--green); display: grid; place-items: center; font-family: "DM Sans", sans-serif; font-size: 17px; font-weight: 800; }
.step-body h4 { margin: 0 0 8px; font-size: 16px; color: var(--ink); line-height: 1.35; }
.step-body p { margin: 0 0 10px; color: #526058; font-size: 14px; line-height: 1.8; }
.step-body p:last-child { margin-bottom: 0; }

.code-box { background: #13241b; color: #d6e8dd; border-radius: 10px; padding: 14px 16px; font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 12px; line-height: 1.65; overflow-x: auto; margin: 12px 0; }
.code-box code { color: #9fe2bf; }
.code-comment { color: #6e8d7c; }

.troubleshoot-grid { display: grid; gap: 12px; margin: 18px 0; }
.trouble-card { padding: 16px 18px; background: #fdfefe; border: 1px solid #e3ebe5; border-radius: 12px; }
.trouble-card strong { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #223329; margin-bottom: 6px; }
.trouble-card strong::before { content: "Q"; width: 20px; height: 20px; border-radius: 6px; background: #e2ece5; color: var(--green); display: grid; place-items: center; font-size: 11px; font-weight: 800; flex: none; }
.trouble-card p { margin: 0; font-size: 13px; color: #596a5f; line-height: 1.75; padding-left: 28px; }

.download-link-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; background: #f1f7f3; border-radius: 11px; margin-top: 20px; flex-wrap: wrap; }
.download-link-bar span { font-size: 13px; color: #3d5244; font-weight: 600; }
.btn-dl { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px; background: var(--green); color: #fff; font-size: 12px; font-weight: 700; text-decoration: none; transition: background .2s; }
.btn-dl:hover { background: var(--green-2); }

@media (max-width: 900px) {
  .client-quick-nav { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .client-quick-nav { grid-template-columns: 1fr; }
  .step-item { grid-template-columns: 1fr; gap: 10px; }
  .step-num { width: 34px; height: 34px; font-size: 14px; }
  .tutorial-block { padding: 20px 16px; }
}

/* AI 工具专题专属增强样式 */
.ai-hub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 20px 0 32px; }
.ai-hub-card { display: block; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 16px; transition: all .25s ease; text-decoration: none; color: var(--ink); }
.ai-hub-card:hover { border-color: #b3d5bf; transform: translateY(-3px); box-shadow: 0 12px 30px rgba(20,52,34,0.07); }
.ai-hub-card .icon-chip { width: 38px; height: 38px; display: grid; place-items: center; margin-bottom: 14px; color: var(--green); background: var(--green-soft); border-radius: 10px; font-weight: 800; font-size: 15px; }
.ai-hub-card h3 { margin: 0 0 6px; font-size: 18px; color: var(--ink); display: flex; align-items: center; justify-content: space-between; }
.ai-hub-card h3 span { font-size: 13px; color: #7f9185; font-weight: 500; }
.ai-hub-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.ai-tool-list { display: grid; gap: 20px; margin: 22px 0 36px; }
.ai-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px; transition: all .2s ease; position: relative; }
.ai-card:hover { border-color: #b5d5bf; box-shadow: 0 10px 28px rgba(20,52,34,0.06); }
.ai-card-header { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid #edf2ee; }
.ai-brand-group { display: flex; align-items: center; gap: 12px; }
.ai-logo-pill { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; font-size: 16px; font-weight: 800; color: #fff; flex: none; }
.ai-logo-pill.p-writing { background: linear-gradient(135deg, #10b981, #059669); }
.ai-logo-pill.p-coding { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.ai-logo-pill.p-image { background: linear-gradient(135deg, #ec4899, #be185d); }
.ai-logo-pill.p-search { background: linear-gradient(135deg, #0284c7, #0369a1); }
.ai-name-box h3 { margin: 0; font-size: 18px; font-weight: 700; color: var(--ink); }
.ai-name-box small { display: block; margin-top: 2px; font-size: 12px; color: #7f9185; }
.ai-official-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px; background: var(--green); color: #fff; font-size: 12px; font-weight: 700; text-decoration: none; transition: background .2s; }
.ai-official-btn:hover { background: var(--green-2); color: #fff; }

.ai-details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 12px; }
.ai-detail-block { padding: 14px 16px; background: #fafcfb; border: 1px solid #e7efe9; border-radius: 11px; }
.ai-detail-block label { display: block; font-size: 11px; font-weight: 800; color: var(--green); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }
.ai-detail-block p { margin: 0; font-size: 13px; color: #4a5c51; line-height: 1.75; }

@media (max-width: 768px) {
  .ai-hub-grid { grid-template-columns: 1fr; }
  .ai-details-grid { grid-template-columns: 1fr; }
}

/* 图1 TOP 4 旗舰天梯榜专用样式 */
.top4-ladder-wrap { margin: 28px 0 38px; }
.top4-header-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; background: #fff5e6; color: #b45309; border: 1px solid #fed7aa; border-radius: 99px; font-size: 11px; font-weight: 700; margin-bottom: 10px; }
.top4-header-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.top4-header-row h2 { margin: 0; font-size: 25px; font-weight: 800; color: var(--ink); }
.top4-header-row p { margin: 6px 0 0; color: #64748b; font-size: 13px; }
.top4-jump-link { color: var(--green); font-size: 13px; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; gap: 4px; }
.top4-jump-link:hover { text-decoration: underline; }

.top4-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.ladder-card { background: #fff; border: 1.5px solid #e2e8f0; border-radius: 20px; padding: 22px 20px; position: relative; transition: all .25s ease; display: flex; flex-direction: column; box-shadow: 0 4px 18px rgba(15,23,42,0.04); }
.ladder-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(15,23,42,0.08); border-color: #cbd5e1; }
.ladder-card.rank-1 { border-color: #facc15; box-shadow: 0 6px 24px rgba(234,179,8,0.14); }

.ladder-badge-pill { display: inline-flex; align-items: center; gap: 4px; padding: 5px 12px; border-radius: 99px; font-size: 11px; font-weight: 800; color: #fff; margin-bottom: 14px; align-self: flex-start; }
.ladder-badge-pill.badge-gold { background: linear-gradient(135deg, #f59e0b, #d97706); }
.ladder-badge-pill.badge-navy { background: linear-gradient(135deg, #1e293b, #0f172a); }
.ladder-badge-pill.badge-copper { background: linear-gradient(135deg, #c2410c, #9a3412); }
.ladder-badge-pill.badge-green { background: linear-gradient(135deg, #047857, #065f46); }

.ladder-brand-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
.ladder-brand-left { display: flex; align-items: center; gap: 10px; }
.ladder-brand-icon { font-size: 26px; line-height: 1; display: inline-block; }
.ladder-brand-text h3 { margin: 0; font-size: 18px; font-weight: 800; color: #0f172a; line-height: 1.25; }
.ladder-brand-text small { display: block; font-size: 11px; color: #64748b; margin-top: 3px; }

.ladder-score { text-align: right; }
.ladder-score strong { display: block; font-family: "DM Sans", sans-serif; font-size: 18px; font-weight: 800; color: #ea580c; line-height: 1.1; }
.ladder-score small { display: block; font-size: 10px; color: #94a3b8; }

.ladder-specs { background: #f8fafc; border-radius: 12px; padding: 12px 14px; margin-bottom: 14px; }
.ladder-spec-row { display: flex; justify-content: space-between; align-items: center; font-size: 12px; margin-bottom: 8px; }
.ladder-spec-row:last-child { margin-bottom: 0; }
.ladder-spec-label { color: #64748b; font-size: 11px; }
.ladder-spec-val { font-weight: 800; color: #0f172a; font-family: "DM Sans", "Noto Sans SC", sans-serif; }
.ladder-spec-val.price { color: #166534; font-size: 15px; font-weight: 800; }

.ladder-coupon-pill { display: inline-flex; align-items: center; padding: 2px 8px; background: #fef3c7; border: 1px dashed #f59e0b; border-radius: 4px; font-family: "DM Sans", monospace; font-size: 11px; font-weight: 800; color: #b45309; }

.ladder-features { list-style: none; padding: 0; margin: 0 0 16px; font-size: 12px; line-height: 1.65; color: #334155; flex: 1; }
.ladder-features li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.ladder-features li::before { content: "✓"; position: absolute; left: 0; color: #7c3aed; font-weight: 900; font-size: 13px; }

.ladder-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: auto; }
.btn-ladder-review { padding: 8px 12px; text-align: center; background: #e6f9f0; color: #059669; font-size: 12px; font-weight: 700; border-radius: 99px; text-decoration: none; border: 1px solid #a7f3d0; transition: all .2s; display: inline-flex; align-items: center; justify-content: center; gap: 4px; }
.btn-ladder-review:hover { background: #d1fae5; color: #047857; border-color: #6ee7b7; }
.btn-ladder-official { padding: 8px 14px; text-align: center; background: #166534; color: #fff; font-size: 12px; font-weight: 700; border-radius: 99px; text-decoration: none; transition: all .2s; display: inline-flex; align-items: center; justify-content: center; gap: 4px; }
.btn-ladder-official:hover { background: #14532d; color: #fff; }

/* 图2 2026 全球 15 家机场全参数横评罗盘专用样式 */
.compass-wrap { background: #fff; border: 1px solid #e2e8f0; border-radius: 20px; padding: 26px 24px; margin: 34px 0 42px; box-shadow: 0 4px 20px rgba(15,23,42,0.03); }
.compass-header { margin-bottom: 20px; }
.compass-title-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.compass-title-row h2 { margin: 0; font-size: 24px; font-weight: 800; color: #0f172a; }
.compass-badge { padding: 3px 9px; background: #dcfce7; color: #15803d; border-radius: 99px; font-size: 11px; font-weight: 700; }
.compass-header p { margin: 0; font-size: 13px; color: #64748b; }

.compass-filter-bar { display: flex; gap: 7px; flex-wrap: wrap; margin: 18px 0 22px; }
.compass-filter-chip { padding: 6px 13px; background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 99px; font-size: 12px; font-weight: 600; color: #475569; cursor: pointer; transition: all .2s; }
.compass-filter-chip:hover { border-color: #cbd5e1; background: #f1f5f9; color: #0f172a; }
.compass-filter-chip.active { background: #166534; border-color: #166534; color: #fff; box-shadow: 0 2px 10px rgba(22,101,52,0.25); }

.compass-table-wrap { overflow-x: auto; border: 1px solid #e2e8f0; border-radius: 14px; }
.compass-table { width: 100%; border-collapse: collapse; font-size: 13px; white-space: nowrap; text-align: left; }
.compass-table th { background: #eef5f1; color: #1e3a2b; font-weight: 700; padding: 13px 16px; border-bottom: 1px solid #dce8e0; font-size: 12px; }
.compass-table td { padding: 14px 16px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.compass-table tr:hover td { background: #fbfdfc; }
.compass-table tr:last-child td { border-bottom: 0; }

.brand-cell { display: flex; align-items: center; gap: 10px; }
.compass-logo { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; font-size: 14px; font-weight: 800; color: #fff; flex: none; }
.brand-name-box { line-height: 1.25; }
.brand-name-row { display: flex; align-items: center; gap: 6px; }
.brand-name-row strong { font-size: 14px; font-weight: 700; color: #0f172a; }
.tag-review-badge { padding: 1px 6px; background: #e0f2fe; color: #0369a1; border: 1px solid #bae6fd; border-radius: 4px; font-size: 10px; font-weight: 700; text-decoration: none; }
.tag-review-badge:hover { background: #0284c7; color: #fff; }
.brand-name-box small { display: block; font-size: 11px; color: #94a3b8; margin-top: 2px; }

.price-cell { line-height: 1.25; }
.price-val-main { font-family: "DM Sans", sans-serif; font-size: 15px; font-weight: 800; color: #0f172a; }
.tag-price-badge { display: inline-block; padding: 2px 6px; background: #fef3c7; color: #92400e; border-radius: 4px; font-size: 10px; font-weight: 700; margin-top: 3px; }

.traffic-cell { line-height: 1.35; }
.traffic-cell strong { display: block; font-size: 13px; color: #0f172a; }
.traffic-cell small { display: block; font-size: 11px; color: #64748b; }

.protocol-pill { display: inline-block; padding: 3px 8px; background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857; border-radius: 6px; font-family: "DM Sans", monospace; font-size: 11px; font-weight: 700; }

.coupon-cell-box { display: flex; align-items: center; gap: 6px; margin-bottom: 2px; }
.coupon-code-pill { padding: 2px 7px; background: #f8fafc; border: 1px solid #cbd5e1; border-radius: 5px; font-family: monospace; font-size: 11px; font-weight: 800; color: #0f172a; }
.btn-copy-code { padding: 2px 6px; background: #e2e8f0; color: #475569; border: 0; border-radius: 4px; font-size: 10px; font-weight: 700; cursor: pointer; transition: all .2s; }
.btn-copy-code:hover { background: #166534; color: #fff; }
.coupon-desc { font-size: 11px; color: #94a3b8; }

.btn-speed-chart { display: inline-flex; align-items: center; gap: 4px; padding: 5px 10px; background: #f0fdf4; border: 1px solid #bbf7d0; color: #15803d; border-radius: 6px; font-size: 11px; font-weight: 700; text-decoration: none; transition: all .2s; }
.btn-speed-chart:hover { background: #dcfce7; color: #166534; }

.btn-compass-official { display: inline-flex; align-items: center; gap: 4px; padding: 6px 14px; background: #166534; color: #fff; border-radius: 7px; font-size: 12px; font-weight: 700; text-decoration: none; transition: all .2s; }
.btn-compass-official:hover { background: #14532d; color: #fff; }

@media (max-width: 960px) {
  .top4-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 650px) {
  .top4-grid { grid-template-columns: 1fr; }
  .compass-wrap { padding: 18px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}