/* 机场V · 航站楼主题：纸白 + 深海军蓝 + 信号橙，排行用「航班信息屏」，机场用「登机牌」 */
:root {
  --bg: #f6f2ea;
  --paper: #fffdf8;
  --ink: #14213d;
  --text: #1f2933;
  --muted: #6b7280;
  --line: #e4ddd0;
  --brand: #e8590c;
  --brand-soft: #fdeee4;
  --navy: #14213d;
  --board: #0d1526;
  --amber: #ffb703;
  --ok: #2f9e44;
  --warn: #f08c00;
  --no: #c92a2a;
  --radius: 6px;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1420;
    --paper: #171e2e;
    --ink: #f1ece2;
    --text: #e5e2da;
    --muted: #9aa3b2;
    --line: #2a3346;
    --brand: #ff7a2f;
    --brand-soft: #2b2018;
    --board: #080c16;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.8 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3 { color: var(--ink); line-height: 1.3; margin: 0 0 .6em; font-weight: 800; }
h1 { font-size: clamp(30px, 5.2vw, 52px); letter-spacing: -.01em; }
h2 { font-size: clamp(22px, 3vw, 30px); }
h3 { font-size: 19px; }
code { font-family: var(--mono); background: var(--brand-soft); padding: 1px 6px; border-radius: 4px; font-size: .88em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }

/* 顶部 */
.demo-bar { background: var(--amber); color: #3b2a00; text-align: center; font-size: 13px; padding: 6px 16px; }
.site-header { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; gap: 24px; height: 62px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: #fff; letter-spacing: .02em; }
.logo:hover { text-decoration: none; }
.logo-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff; }
.logo-mark svg { width: 18px; height: 18px; }
.main-nav { display: flex; gap: 2px; margin-left: auto; }
.main-nav a { color: #c9d1e3; padding: 6px 10px; font-size: 15px; white-space: nowrap; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a[aria-current] { color: #fff; border-bottom-color: var(--brand); text-decoration: none; }
.main-nav .nav-cta { background: var(--brand); color: #fff; border-radius: 99px; padding: 6px 16px; margin-left: 10px; border: 0; font-weight: 700; }
.nav-toggle, .nav-btn { display: none; }
@media (max-width: 1180px) {
  .nav-btn { display: block; margin-left: auto; width: 40px; height: 40px; cursor: pointer; position: relative; }
  .nav-btn span, .nav-btn span::before, .nav-btn span::after { position: absolute; left: 10px; width: 20px; height: 2px; background: #fff; content: ""; }
  .nav-btn span { top: 19px; } .nav-btn span::before { left: 0; top: -6px; } .nav-btn span::after { left: 0; top: 6px; }
  .main-nav { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; background: var(--navy); padding: 8px 16px 16px; }
  .nav-toggle:checked ~ .main-nav { display: flex; }
  .main-nav .nav-cta { margin: 10px 0 0; text-align: center; padding: 10px; }
}

/* 按钮与标签 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 18px; border-radius: 99px; border: 1.5px solid var(--ink); background: transparent; color: var(--ink); font-weight: 700; font-size: 15px; white-space: nowrap; }
.btn:hover { text-decoration: none; background: var(--ink); color: var(--paper); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 12px; padding: 1px 8px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); background: var(--paper); }
.ok { color: var(--ok); font-weight: 800; }
.no { color: var(--no); font-weight: 800; }

/* 布局 */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.section { margin: 64px 0; scroll-margin-top: 80px; }
.section > h2, .kicker-h2 { display: flex; align-items: baseline; gap: 12px; }
.section > h2::before { content: ""; flex: none; width: 10px; height: 10px; background: var(--brand); border-radius: 2px; transform: translateY(-3px); }
.grid-3, .grid-4 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(290px, 100%), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr)); }
.two-col { display: grid; gap: 32px; grid-template-columns: 1fr 1fr; }
@media (max-width: 760px) { .two-col { grid-template-columns: 1fr; } }
.crumbs { font-size: 13px; color: var(--muted); margin: 20px 0 0; font-family: var(--mono); }
.crumbs .sep { margin: 0 8px; }

/* 首页首屏 */
.hero { padding: 48px 0 8px; }
.hero-top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; }
.hero h1 { margin-bottom: .3em; }
.hero h1 em { font-style: normal; color: var(--brand); }
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--brand); letter-spacing: .08em; margin: 0 0 12px; }
.lead { font-size: 17px; color: var(--muted); max-width: 680px; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.updated { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin: 10px 0 0; }

/* 航班信息屏 */
.board { background: var(--board); color: #e9edf5; border-radius: 10px; padding: 18px 18px 10px; margin-top: 28px; box-shadow: 0 20px 40px -24px rgba(13, 21, 38, .6); }
.board-head { display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 13px; color: #8d99b3; padding: 0 4px 12px; border-bottom: 1px dashed #26324d; }
.board-head b { color: var(--amber); font-size: 15px; letter-spacing: .12em; }
.board-scroll { overflow-x: auto; }
.board table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 14px; min-width: 640px; }
.board th { color: #6f7c99; font-weight: 500; font-size: 12px; text-align: left; padding: 10px 8px; letter-spacing: .06em; }
.board td { padding: 11px 8px; border-top: 1px solid #1b2540; color: var(--amber); white-space: nowrap; }
.board td a { color: #fff; font-weight: 700; }
.board tr:hover td { background: #121c33; }
.flap { display: inline-block; background: #18223a; border-radius: 3px; padding: 0 6px; letter-spacing: .08em; }
.status { font-weight: 700; }
.status::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: currentColor; }
.status-on { color: #51cf66; }
.status-ok { color: var(--amber); }
.status-late { color: #ff8787; }

/* 30 秒结论 */
.answer { background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--brand); border-radius: var(--radius); padding: 22px 24px; margin-top: 28px; }
.answer h2 { font-size: 20px; margin-bottom: .4em; }
.answer ul { margin: 0; padding-left: 20px; }
.answer li { margin: 4px 0; }

/* 目录 */
.toc { background: var(--paper); border: 1px dashed var(--line); border-radius: var(--radius); padding: 18px 22px; margin-top: 28px; }
.toc b { font-family: var(--mono); font-size: 13px; color: var(--muted); letter-spacing: .1em; }
.toc ol { columns: 2 240px; margin: 8px 0 0; padding-left: 22px; font-size: 15px; }
.toc li { break-inside: avoid; }

/* 用途卡片 */
.need-card { display: flex; gap: 14px; align-items: center; color: var(--text); padding: 16px; }
.need-card:hover { text-decoration: none; border-color: var(--brand); }
.need-card b { display: block; color: var(--ink); }
.need-card small { color: var(--muted); }
.need-icon { display: grid; place-items: center; flex: none; width: 42px; height: 42px; border-radius: 50%; border: 1.5px solid var(--brand); color: var(--brand); font-weight: 800; font-size: 13px; font-family: var(--mono); }

/* 登机牌 */
.pass { display: grid; grid-template-columns: 1fr 92px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; position: relative; }
.pass-main { padding: 18px 20px; }
.pass-stub { background: var(--navy); color: #fff; padding: 18px 12px; text-align: center; display: flex; flex-direction: column; justify-content: space-between; border-left: 2px dashed var(--bg); position: relative; }
.pass-stub::before, .pass-stub::after { content: ""; position: absolute; left: -11px; width: 20px; height: 20px; border-radius: 50%; background: var(--bg); }
.pass-stub::before { top: -10px; } .pass-stub::after { bottom: -10px; }
.pass-stub small { font-family: var(--mono); font-size: 11px; color: #8d99b3; letter-spacing: .1em; }
.pass-stub .seat { font-family: var(--mono); font-size: 34px; font-weight: 800; color: var(--amber); line-height: 1; }
.pass-stub .score-v { font-size: 26px; font-weight: 800; line-height: 1; }
.pass-label { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--brand); }
.pass h3 { margin: 2px 0 6px; font-size: 21px; }
.pass h3 a { color: var(--ink); }
.pass p { margin: 0 0 12px; font-size: 14.5px; color: var(--muted); }
.specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 12px; margin: 0 0 12px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.specs div { padding: 8px 0; }
.specs dt { font-family: var(--mono); font-size: 10.5px; color: var(--muted); letter-spacing: .1em; }
.specs dd { margin: 0; font-weight: 800; font-size: 14px; color: var(--ink); }
.pros, .cons { list-style: none; padding: 0; margin: 0 0 12px; font-size: 14px; }
.pros li::before { content: "＋ "; color: var(--ok); font-weight: 800; }
.cons li::before { content: "－ "; color: var(--no); font-weight: 800; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
@media (max-width: 520px) {
  .pass { grid-template-columns: 1fr; }
  .pass-stub { flex-direction: row; align-items: center; border-left: 0; border-top: 2px dashed var(--bg); }
  .pass-stub::before, .pass-stub::after { display: none; }
  .specs { grid-template-columns: repeat(2, 1fr); }
}
.rank { display: inline-grid; place-items: center; flex: none; width: 30px; height: 30px; border-radius: 4px; background: var(--navy); color: var(--amber); font-family: var(--mono); font-weight: 800; font-size: 14px; }

/* 深度点评 */
.review-item { border-top: 1px solid var(--line); padding: 28px 0; }
.review-item h3 { font-size: 22px; }
.review-item h3 small { color: var(--muted); font-weight: 500; font-size: 15px; }
.review-meta { font-family: var(--mono); font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 10px; }
.review-meta b { color: var(--ink); }
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; font-size: 14.5px; }
@media (max-width: 600px) { .fit { grid-template-columns: 1fr; } }

/* 表格 */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
thead th { font-family: var(--mono); color: var(--muted); font-weight: 500; font-size: 12px; letter-spacing: .06em; background: transparent; border-bottom: 2px solid var(--ink); }
tbody th { color: var(--muted); font-weight: 500; width: 160px; }
.prose table td, .section table td:last-child { white-space: normal; }
.rank-table td:last-child { white-space: nowrap; }

/* 杂项 */
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; padding: 0 0 14px 44px; }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 0; font-family: var(--mono); font-weight: 800; color: var(--brand); }
.weights { list-style: none; padding: 0; }
.weights li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.weights b { font-family: var(--mono); color: var(--brand); }
.changelog { list-style: none; padding: 0; font-size: 15px; }
.changelog li { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.changelog time { display: inline-block; min-width: 120px; font-family: var(--mono); color: var(--brand); font-size: 13px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 { font-size: 17px; margin: 0; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--brand); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 0 18px; color: var(--muted); }
.link-card { display: flex; flex-direction: column; gap: 6px; color: var(--text); }
.link-card:hover { text-decoration: none; border-color: var(--brand); }
.link-card small { font-family: var(--mono); font-size: 11.5px; color: var(--brand); letter-spacing: .1em; }
.link-card b { color: var(--ink); }
.list-row { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 12px; }
.list-row > div { flex: 1; }
.list-row h3, .list-row .h3 { margin: 0; font-size: 19px; }
.list-row p { margin: 4px 0 8px; color: var(--muted); }
@media (max-width: 600px) { .list-row { flex-wrap: wrap; } }
.combo { border-left: 3px solid var(--brand); }
.combo b { color: var(--ink); }
.combo p { margin: 6px 0 0; font-size: 14.5px; color: var(--muted); }

.page-head { padding: 36px 0 8px; }
.verdict { display: flex; gap: 28px; align-items: center; }
.score.big { text-align: center; flex: none; font-family: var(--mono); }
.score.big b { font-size: 52px; color: var(--brand); line-height: 1; }
.score.big small { color: var(--muted); }
.score.big span { display: block; font-size: 12px; color: var(--muted); margin-top: 8px; }
@media (max-width: 600px) { .verdict { flex-direction: column; align-items: flex-start; } }
.stat small { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.stat b { display: block; font-family: var(--mono); font-size: 28px; color: var(--ink); }

.prose { max-width: 760px; }
.prose h2 { margin-top: 1.8em; }
.prose li { margin-bottom: 6px; }
.article .table-scroll, .prose > table { margin: 16px 0; }
.prose > table { display: block; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.cta { margin: 40px 0; border-top: 4px solid var(--brand); }
.cta p { margin: 4px 0 0; }

/* 底部 */
.site-footer { margin-top: 96px; background: var(--navy); color: #c9d1e3; padding: 44px 0 24px; font-size: 14px; }
.site-footer h4, .site-footer .foot-h { color: #fff; margin: 0 0 10px; font-size: 13px; font-family: var(--mono); letter-spacing: .12em; }
.site-footer .muted { color: #8d99b3; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid a:not(.logo) { display: block; color: #c9d1e3; padding: 3px 0; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > div:first-child { grid-column: 1 / -1; } }
.copyright { margin-top: 32px; padding-top: 16px; border-top: 1px dashed #2c3a5c; font-size: 13px; }
.status-wait { color: #9aa3b2; }
.logo { white-space: nowrap; flex: none; }
@media (min-width: 1181px) { .main-nav a { padding: 6px 7px; font-size: 14.5px; } .main-nav .nav-cta { padding: 6px 14px; margin-left: 6px; } }
@media (max-width: 1360px) and (min-width: 1181px) { .main-nav a:not(.nav-cta) { font-size: 13.5px; padding: 6px 5px; } }

/* 点评卡片里的「行前核对」：官网解锁写法 + 测速截图按地区拆开 */
.vx { display: grid; grid-template-columns: 1fr 1.25fr; gap: 14px; margin: 14px 0 16px; }
@media (max-width: 760px) { .vx { grid-template-columns: 1fr; } }
.vx-box { border: 1px dashed var(--line); border-radius: var(--radius); background: var(--paper); padding: 12px 14px; font-size: 14px; min-width: 0; }
.vx-cap { margin: 0 0 8px; font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em; color: var(--brand); font-weight: 700; }
.vx-grid { margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.vx-grid > div { display: flex; flex-direction: column; }
.vx-grid .vx-sub { grid-column: 1 / -1; font-size: 12px; color: var(--muted); margin-top: 2px; }
.vx-grid dt { font-weight: 700; color: var(--ink); font-size: 13.5px; }
.vx-grid dd { margin: 0; font-size: 12.5px; }
.vx-yes { color: var(--ok); font-weight: 700; }
.vx-part { color: var(--warn); font-weight: 700; }
.vx-na { color: var(--muted); }
.vx-note { margin: 8px 0 0; font-size: 12.5px; line-height: 1.65; color: var(--muted); }
.vx-sum { margin: 0 0 6px; font-weight: 700; color: var(--ink); }
.vx-regions { list-style: none; margin: 0; padding: 0; font-family: var(--mono); font-size: 13px; }
.vx-regions li { display: grid; grid-template-columns: 4.5em 1fr 1fr 1.2fr; gap: 6px; padding: 3px 0; border-bottom: 1px dotted var(--line); }
.vx-regions li span { text-align: right; white-space: nowrap; }
.vx-shot { margin-top: 8px; }
.vx-shot summary { cursor: pointer; color: var(--brand); font-size: 13px; }
.vx-shot img { display: block; width: 100%; height: auto; margin-top: 8px; border: 1px solid var(--line); }
@media (max-width: 420px) { .vx-box { padding: 10px; } .vx-regions { font-size: 11.5px; } .vx-regions li { grid-template-columns: 3.4em auto auto auto; justify-content: space-between; gap: 4px; } }

.cite { margin: 40px 0 0; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 13px; }
.shot { margin: 16px 0; }
.shot img { display: block; max-width: 100%; height: auto; max-height: 720px; object-fit: contain; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.shot figcaption { font-size: 13px; color: var(--muted); margin-top: 6px; }
.topic-names { columns: 2 280px; column-gap: 28px; padding-left: 1.4em; font-size: 15px; }
.topic-names li { break-inside: avoid; margin-bottom: 4px; }

/* 首页点评：折叠的完整套餐表 */
.plans-fold { margin: 10px 0; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; }
.plans-fold summary { cursor: pointer; font-weight: 600; }
.plans-fold table { margin-top: 8px; }
.plans-fold .muted { font-size: 13px; margin: 6px 0 0; }
.plans-fold td, .plans-fold th { white-space: nowrap; padding: 8px 10px; }