/* -------------------------------------------------------------
   一枝红杏 (yizhihongxing.blog) 样式表
   保留红杏配色、字体层次与桌面端完整布局，系统增强移动端/窄屏响应式体验
   ------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;600;700&display=swap');

:root {
  --paper: #faf7f1;
  --ink: #26211f;
  --muted: #756e68;
  --line: #e8dfd6;
  --red: #b93436;
  --red-deep: #8e2528;
  --rose: #f4e7e3;
  --white: #fffdf9;
  --gold: #c39154;
  --shadow: 0 16px 44px rgba(53, 35, 29, 0.07);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
  width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.container {
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
  min-width: 0;
}

.serif, h1, h2, h3, .brand-name {
  font-family: 'Noto Serif SC', serif;
}

h1, h2, h3, p {
  margin-top: 0;
  overflow-wrap: break-word;
  word-break: normal;
}

p {
  color: #574f49;
}

h1 {
  line-height: 1.25;
  letter-spacing: -0.03em;
}

h2 {
  line-height: 1.35;
  letter-spacing: -0.02em;
}

h3 {
  line-height: 1.4;
}

.eyebrow {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.19em;
  color: var(--red);
  text-transform: uppercase;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid #e7cec9;
  border-radius: 99px;
  padding: 4px 10px;
  color: var(--red-deep);
  font-size: 0.76rem;
  font-weight: 700;
  background: #fff8f5;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: break-word;
}

.muted {
  color: var(--muted);
}

/* -------------------------------------------------------------
   网站头部与导航栏
   ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 241, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  min-height: 44px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--red);
  border-radius: 50%;
  font-family: 'Noto Serif SC', serif;
  font-size: 23px;
  line-height: 1;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 1.22rem;
  letter-spacing: 0.08em;
}

.brand-caption {
  display: block;
  color: var(--muted);
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  line-height: 1.2;
}

.nav {
  display: flex;
  gap: 31px;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 600;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--red);
}

.nav-cta {
  border: 1px solid var(--red);
  border-radius: 99px;
  padding: 8px 17px;
  color: var(--red) !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-cta:hover {
  background: var(--red);
  color: #fff !important;
}

.menu-button {
  display: none;
  border: 1px solid transparent;
  background: transparent;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--ink);
  min-width: 44px;
  min-height: 44px;
  padding: 6px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  line-height: 1;
}

.menu-button:active {
  background: rgba(0, 0, 0, 0.05);
}

/* -------------------------------------------------------------
   首页 Hero 区块
   ------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 84px;
  background: linear-gradient(128deg, #faf7f1 57%, #f4e6df 100%);
}

.hero::before {
  content: '杏';
  position: absolute;
  right: max(-30px, calc((100vw - 1200px) / 2));
  top: -160px;
  color: rgba(185, 52, 54, 0.055);
  font: 700 480px/1 'Noto Serif SC', serif;
  pointer-events: none;
  user-select: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.75fr;
  gap: 72px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.1vw, 5.3rem);
  margin: 18px 0 23px;
  overflow-wrap: break-word;
}

.hero h1 em {
  font-style: normal;
  color: var(--red);
}

.hero-lead {
  max-width: 620px;
  font-size: 1.16rem;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  gap: 13px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 48px;
  padding: 11px 22px;
  border-radius: 5px;
  font-size: 0.88rem;
  font-weight: 700;
  border: 1px solid var(--red);
  transition: transform 0.18s, background 0.18s;
  touch-action: manipulation;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--red);
  color: #fff;
}

.button-primary:hover {
  background: var(--red-deep);
}

.button-secondary {
  color: var(--red);
  background: transparent;
}

.hero-note {
  margin-top: 35px;
  font-size: 0.76rem;
  color: var(--muted);
}

.hero-card {
  position: relative;
  background: var(--white);
  border: 1px solid #ecdcd4;
  box-shadow: var(--shadow);
  padding: 31px 32px 26px;
  transform: rotate(2deg);
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 43%;
  width: 76px;
  height: 30px;
  background: rgba(192, 137, 119, 0.23);
  transform: rotate(-5deg);
}

.hero-card .eyebrow {
  margin-bottom: 16px;
}

.hero-card h2 {
  font-size: 1.65rem;
  margin-bottom: 23px;
}

.step {
  display: grid;
  grid-template-columns: 35px 1fr;
  gap: 13px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  min-height: 48px;
}

.step-number {
  font-family: Georgia, serif;
  color: var(--red);
  font-size: 1.3rem;
}

.step strong {
  display: block;
  font-size: 0.9rem;
}

.step span {
  display: block;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.6;
}

.step:hover strong {
  color: var(--red);
}

/* -------------------------------------------------------------
   内容区块通则
   ------------------------------------------------------------- */
.section {
  padding: 75px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  margin: 7px 0 0;
}

.text-link {
  color: var(--red);
  font-size: 0.86rem;
  font-weight: 700;
  border-bottom: 1px solid var(--red);
  padding-bottom: 3px;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.article-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 29px;
  min-height: 310px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.article-card .tag {
  align-self: flex-start;
}

.article-card h3 {
  font-size: 1.38rem;
  margin: 21px 0 12px;
}

.article-card p {
  font-size: 0.87rem;
  line-height: 1.85;
}

.article-card .read {
  margin-top: auto;
  color: var(--red);
  font-weight: 700;
  font-size: 0.86rem;
  padding-top: 10px;
}

.card-meta {
  font-size: 0.74rem;
  color: var(--muted);
  margin-bottom: 0;
}

/* -------------------------------------------------------------
   黑色背底提示带 & 评测原则
   ------------------------------------------------------------- */
.insight-band {
  background: #2c2928;
  color: var(--white);
  padding: 53px 0;
}

.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 58px;
  align-items: center;
}

.insight-band h2 {
  font-size: 2.1rem;
  margin: 8px 0 10px;
}

.insight-band p {
  color: #d5ceca;
  margin-bottom: 0;
}

.insight-band .eyebrow {
  color: #f2b6ab;
}

.checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.checks span {
  border: 1px solid #56514f;
  padding: 12px 15px;
  font-size: 0.83rem;
  color: #f3ede8;
}

.checks b {
  color: #edaa9d;
  margin-right: 9px;
}

.method {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  border-top: 1px solid var(--line);
  padding-top: 35px;
}

.method h2 {
  font-size: 2.2rem;
}

.method p {
  font-size: 0.94rem;
}

.method-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.method-item {
  border-bottom: 1px solid var(--line);
  padding: 0 0 17px;
}

.method-item b {
  color: var(--red);
  font-family: Georgia, serif;
  font-size: 1.25rem;
}

.method-item h3 {
  font: 700 0.99rem 'Noto Sans SC', sans-serif;
  margin: 3px 0 5px;
}

.method-item p {
  font-size: 0.8rem;
  margin: 0;
}

/* -------------------------------------------------------------
   底部号召区与页脚
   ------------------------------------------------------------- */
.newsletter {
  background: var(--rose);
  padding: 48px 0;
}

.newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.newsletter h2 {
  font-size: 1.65rem;
  margin: 6px 0 5px;
}

.newsletter p {
  font-size: 0.85rem;
  margin: 0;
}

.site-footer {
  padding: 42px 0 32px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.footer-copy {
  max-width: 490px;
  font-size: 0.78rem;
  margin-top: 17px;
}

.footer-links {
  display: flex;
  gap: 25px;
  font-size: 0.8rem;
  align-items: center;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 19px;
  display: flex;
  justify-content: space-between;
  gap: 15px;
  color: var(--muted);
  font-size: 0.73rem;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------
   文章内页布局
   ------------------------------------------------------------- */
.page-hero {
  padding: 64px 0 47px;
  border-bottom: 1px solid var(--line);
  background: #f7f0e9;
}

.page-hero .container {
  max-width: 900px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.2vw, 4rem);
  margin: 14px 0 19px;
  overflow-wrap: break-word;
}

.page-hero p {
  max-width: 740px;
  font-size: 1.04rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 730px) 250px;
  gap: 70px;
  padding: 55px 0 95px;
  align-items: start;
}

.article-layout > * {
  min-width: 0;
}

.prose {
  font-size: 1rem;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: normal;
}

.prose p {
  line-height: 2.05;
  margin: 0 0 22px;
}

.prose h2 {
  font-size: 1.65rem;
  margin: 48px 0 17px;
  overflow-wrap: break-word;
}

.prose h3 {
  font-size: 1.14rem;
  margin: 30px 0 12px;
  overflow-wrap: break-word;
}

.prose ul,
.prose ol {
  padding-left: 1.35em;
  margin: 0 0 24px;
  color: #574f49;
  line-height: 2;
}

.prose li {
  padding-left: 4px;
  margin: 7px 0;
  overflow-wrap: break-word;
}

.prose strong {
  color: var(--ink);
}

.prose a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
  overflow-wrap: break-word;
}

.callout {
  background: #f7eee8;
  border-left: 3px solid var(--red);
  padding: 21px 25px;
  margin: 29px 0;
  overflow-wrap: break-word;
}

.callout p:last-child {
  margin: 0;
}

.callout strong {
  display: block;
  margin-bottom: 5px;
}

/* 关系流程图 */
.diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 9px;
  margin: 30px 0;
  padding: 23px;
  background: var(--white);
  border: 1px solid var(--line);
}

.diagram div {
  text-align: center;
  border: 1px solid var(--line);
  padding: 16px 9px;
  font-size: 0.83rem;
  min-width: 0;
}

.diagram b {
  display: block;
  color: var(--red);
  font-size: 1rem;
}

.diagram span {
  color: var(--red);
  font-size: 1.3rem;
}

/* 文章侧边栏 */
.article-side {
  position: sticky;
  top: 110px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 23px;
}

.article-side h3 {
  font-size: 1.06rem;
}

.article-side a {
  display: block;
  border-top: 1px solid var(--line);
  padding: 12px 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.article-side a:hover {
  color: var(--red);
}

.article-end {
  border-top: 1px solid var(--line);
  margin-top: 50px;
  padding-top: 26px;
}

.article-end h2 {
  margin-top: 0;
}

.article-meta {
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.source-list {
  font-size: 0.83rem;
}

.source-list li {
  word-break: break-word;
  overflow-wrap: anywhere;
}

.pill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 27px 0;
}

.pill-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 22px;
}

.pill-card strong {
  display: block;
  color: var(--red);
  margin-bottom: 5px;
}

.pill-card p {
  font-size: 0.8rem;
  margin: 0;
  line-height: 1.75;
}

.archive-list {
  display: grid;
  gap: 12px;
}

.archive-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.archive-row h3 {
  font-size: 1.17rem;
  margin: 3px 0 6px;
}

.archive-row p {
  font-size: 0.82rem;
  margin: 0;
}

.archive-row:hover h3 {
  color: var(--red);
}

.archive-row .arrow {
  color: var(--red);
  font-size: 1.4rem;
}

.status-box {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 30px;
  margin: 28px 0;
}

.status-box h2 {
  font-size: 1.3rem;
}

.status-box p:last-child {
  margin-bottom: 0;
}

/* -------------------------------------------------------------
   评测与推荐列表样式
   ------------------------------------------------------------- */
.ranking-intro {
  background: #f7eee8;
  border-left: 3px solid var(--red);
  padding: 20px 25px;
  margin: 0 0 28px;
  overflow-wrap: break-word;
}

.ranking-intro strong {
  color: var(--red-deep);
}

.ranking-intro p {
  font-size: 0.88rem;
  line-height: 1.85;
  margin: 5px 0 0;
}

.ranking-intro a {
  color: var(--red);
  text-decoration: underline;
}

.rank-list {
  display: grid;
  gap: 25px;
}

.rank-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 34px 38px;
  min-width: 0;
}

.rank-featured {
  border-color: #e5b9b1;
  box-shadow: var(--shadow);
}

.rank-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  min-width: 0;
}

.rank-heading > div {
  min-width: 0;
}

.rank-number {
  font: 700 0.77rem 'Noto Sans SC', sans-serif;
  color: var(--red);
  letter-spacing: 0.11em;
}

.rank-heading h2 {
  font-size: 2rem;
  margin: 5px 0;
  overflow-wrap: break-word;
}

.rank-heading h2 small {
  font: 500 0.9rem 'Noto Sans SC', sans-serif;
  color: var(--muted);
}

.rank-subtitle {
  font-size: 0.9rem;
  margin: 0;
  overflow-wrap: break-word;
}

.rank-label {
  background: var(--red);
  color: #fff;
  border-radius: 99px;
  padding: 5px 12px;
  white-space: nowrap;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.rank-label-soft {
  background: var(--rose);
  color: var(--red-deep);
}

.rank-card > p {
  font-size: 0.93rem;
  line-height: 1.95;
  overflow-wrap: break-word;
}

.rank-card strong {
  color: var(--ink);
}

.rank-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 27px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.rank-facts div {
  padding: 18px 15px 18px 0;
  min-width: 0;
}

.rank-facts div + div {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.rank-facts span,
.rank-facts small {
  display: block;
  font-size: 0.73rem;
  color: var(--muted);
  overflow-wrap: break-word;
}

.rank-facts strong {
  display: block;
  font: 700 1.15rem 'Noto Serif SC', serif;
  color: var(--red-deep);
  margin: 4px 0;
  overflow-wrap: break-word;
}

.rank-verdict {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  background: #faf5ef;
  padding: 19px 21px;
  min-width: 0;
}

.rank-verdict b {
  color: var(--red-deep);
  font-size: 0.85rem;
}

.rank-verdict p {
  font-size: 0.85rem;
  line-height: 1.85;
  margin: 0;
  overflow-wrap: break-word;
}

.rank-links {
  display: flex;
  align-items: center;
  gap: 23px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.rank-links .button {
  max-width: 100%;
}

.rank-source {
  font-size: 0.74rem !important;
  color: var(--muted);
  margin: 25px 0 0;
  line-height: 1.8 !important;
  overflow-wrap: anywhere;
}

.rank-source a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 2px;
  overflow-wrap: anywhere;
}

.ranking-outro {
  margin: 30px 0 0;
}

/* -------------------------------------------------------------
   34 家机场综合对照表及区域内横向滑动
   ------------------------------------------------------------- */
.comparison-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 26px 0;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: inset -6px 0 10px -6px rgba(0, 0, 0, 0.08);
}

.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.82rem;
  line-height: 1.55;
}

.comparison-table caption {
  text-align: left;
  padding: 14px 17px;
  color: var(--muted);
  font-size: 0.76rem;
  background: #faf7f1;
  border-bottom: 1px solid var(--line);
}

.comparison-table th,
.comparison-table td {
  padding: 12px 14px;
  text-align: left;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.comparison-table thead th {
  background: #f7eee8;
  color: var(--red-deep);
  font-weight: 700;
  white-space: nowrap;
}

.comparison-table tbody tr:hover {
  background: #fcf8f3;
}

.comparison-table a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.comparison-mobile {
  display: none;
}

@media (max-width: 768px) {
  .comparison-scroll {
    display: none;
  }

  .comparison-mobile {
    display: block;
    margin: 24px 0 32px;
  }

  .comparison-mobile-intro {
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 0.88rem;
  }

  .comparison-card {
    margin: 0 0 10px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--white);
    overflow: hidden;
  }

  .comparison-card summary {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 14px;
    cursor: pointer;
    list-style: none;
  }

  .comparison-card summary::-webkit-details-marker {
    display: none;
  }

  .comparison-card summary:focus-visible,
  .comparison-card a:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: -3px;
  }

  .comparison-card-number {
    flex: 0 0 28px;
    color: var(--red-deep);
    font-weight: 700;
    font-size: 0.84rem;
    line-height: 1.5;
  }

  .comparison-card-main {
    display: block;
    flex: 1;
    min-width: 0;
  }

  .comparison-card-main > strong {
    display: block;
    color: var(--ink);
    font-size: 1rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
  }

  .comparison-card-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 3px 12px;
    margin-top: 7px;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.45;
  }

  .comparison-card-chevron {
    flex: 0 0 8px;
    width: 8px;
    height: 8px;
    margin: 7px 2px 0 0;
    border-right: 2px solid var(--red-deep);
    border-bottom: 2px solid var(--red-deep);
    transform: rotate(45deg);
    transition: transform 0.2s ease;
  }

  .comparison-card[open] .comparison-card-chevron {
    transform: rotate(225deg);
  }

  .comparison-card-more {
    padding: 0 14px 16px 54px;
    border-top: 1px solid var(--line);
  }

  .comparison-card-more p {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 10px;
    justify-content: space-between;
    margin: 12px 0 0;
    font-size: 0.84rem;
    line-height: 1.5;
  }

  .comparison-card-more p span {
    color: var(--muted);
  }

  .comparison-card-more p strong {
    color: var(--ink);
    font-weight: 600;
    overflow-wrap: anywhere;
  }

  .comparison-card-more a {
    display: inline-block;
    margin-top: 15px;
    color: var(--red-deep);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
  }
}

/* -------------------------------------------------------------
   响应式断点：平板 (<= 900px)
   ------------------------------------------------------------- */
@media (max-width: 900px) {
  .nav {
    gap: 16px;
  }
  .hero-grid {
    gap: 35px;
  }
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .article-side {
    position: static;
    display: none;
  }
  .method {
    gap: 30px;
  }
}

/* -------------------------------------------------------------
   响应式断点：移动端与窄屏 (<= 768px)
   覆盖 768px、430px、390px、375px、360px、320px
   ------------------------------------------------------------- */
@media (max-width: 768px) {
  .container {
    width: calc(100% - 32px);
    max-width: 100%;
  }

  .header-inner {
    min-height: 64px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 20px;
  }

  .brand-name {
    font-size: 1.08rem;
  }

  .menu-button {
    display: flex;
  }

  /* 移动端抽屉式下拉菜单：清晰、易点、触控区高 */
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--paper);
    padding: 12px 16px 20px;
    border-bottom: 2px solid var(--line);
    box-shadow: 0 12px 28px rgba(38, 33, 31, 0.08);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    z-index: 99;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--ink);
  }

  .nav a:active {
    background: var(--rose);
  }

  .nav-cta {
    justify-content: center;
    margin-top: 8px;
    min-height: 48px;
    font-weight: 700;
  }

  /* 首页首屏优化：层次清晰、间距匀称 */
  .hero {
    padding: 44px 0 52px;
  }

  .hero::before {
    display: none; /* 避免超大水印在小屏产生滚动隐患或视觉杂讯 */
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 7.5vw, 2.8rem);
    margin: 12px 0 16px;
    line-height: 1.25;
  }

  .hero-lead {
    font-size: 1rem;
    line-height: 1.8;
  }

  .hero-actions {
    margin-top: 24px;
    flex-direction: column;
    gap: 10px;
  }

  .hero-actions .button {
    width: 100%;
    min-height: 48px;
  }

  .hero-note {
    margin-top: 20px;
    font-size: 0.75rem;
  }

  .hero-card {
    transform: none;
    margin-top: 10px;
    padding: 24px 20px;
  }

  .hero-card::before {
    display: none;
  }

  .hero-card h2 {
    font-size: 1.35rem;
    margin-bottom: 16px;
  }

  /* 通用 Section 留白 */
  .section {
    padding: 44px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 22px;
  }

  .section-head h2 {
    font-size: 1.7rem;
  }

  .article-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .article-card {
    padding: 22px 20px;
    min-height: auto;
  }

  .article-card h3 {
    font-size: 1.25rem;
    margin: 16px 0 10px;
  }

  /* Insight 黑底区 */
  .insight-band {
    padding: 42px 0;
  }

  .insight-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .insight-band h2 {
    font-size: 1.6rem;
  }

  .checks {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* Method 编辑原则 */
  .method {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 28px;
  }

  .method h2 {
    font-size: 1.7rem;
  }

  .method-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* Newsletter 区域 */
  .newsletter {
    padding: 38px 0;
  }

  .newsletter-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }

  .newsletter-inner .button {
    width: 100%;
    min-height: 48px;
  }

  .newsletter h2 {
    font-size: 1.45rem;
  }

  /* 页脚 */
  .site-footer {
    padding: 36px 0 24px;
  }

  .footer-grid {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    margin-top: 24px;
    padding-top: 16px;
  }

  /* 页面 Page Hero */
  .page-hero {
    padding: 36px 0 28px;
  }

  .page-hero h1 {
    font-size: clamp(1.8rem, 6.2vw, 2.4rem);
    margin: 10px 0 14px;
  }

  .page-hero p {
    font-size: 0.95rem;
    line-height: 1.8;
  }

  .article-layout {
    padding: 30px 0 50px;
  }

  /* 概念入门流程图在手机端纵向排列 */
  .diagram {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 16px;
  }

  .diagram span {
    transform: rotate(90deg);
    line-height: 1;
    margin: 2px 0;
  }

  /* 文章目录页行 */
  .archive-row {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 18px 0;
  }

  .archive-row .tag {
    grid-column: 1 / -1;
    justify-self: flex-start;
  }

  .archive-row h3 {
    font-size: 1.1rem;
  }

  /* 推荐页卡片响应式：价格、流量与结论不被截断 */
  .rank-list {
    gap: 20px;
  }

  .rank-card {
    padding: 22px 18px;
  }

  .rank-heading {
    flex-direction: column;
    gap: 12px;
  }

  .rank-heading h2 {
    font-size: 1.6rem;
  }

  .rank-label {
    align-self: flex-start;
  }

  .rank-facts {
    grid-template-columns: 1fr;
    margin: 20px 0;
  }

  .rank-facts div {
    padding: 12px 0;
  }

  .rank-facts div + div {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .rank-facts strong {
    font-size: 1.25rem;
  }

  .rank-verdict {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 14px;
  }

  .rank-links {
    margin-top: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .rank-links .button,
  .rank-links .text-link {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .pill-grid {
    grid-template-columns: 1fr;
  }
}

/* -------------------------------------------------------------
   极端窄屏 (320px - 360px) 特别防护
   ------------------------------------------------------------- */
@media (max-width: 360px) {
  .container {
    width: calc(100% - 24px);
  }

  .brand-name {
    font-size: 0.98rem;
  }

  .brand-caption {
    font-size: 0.58rem;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .page-hero h1 {
    font-size: 1.65rem;
  }

  .rank-card {
    padding: 18px 14px;
  }

  .rank-heading h2 {
    font-size: 1.45rem;
  }

  .callout,
  .ranking-intro {
    padding: 16px 14px;
  }
}

.rank-profile-link{margin:22px 0 0!important;font-size:.86rem!important}.rank-profile-link a,.airport-directory-link a{color:var(--red);font-weight:700;text-decoration:underline;text-underline-offset:3px}.airport-directory-link{margin:0 0 24px;font-size:.9rem}.profile-archive{margin:28px 0;padding:16px 19px;border:1px solid var(--line);background:var(--white)}.profile-archive summary{cursor:pointer;color:var(--red-deep);font-weight:700}.profile-archive p{margin:14px 0 0;font-size:.88rem}.profile-archive:focus-within{outline:2px solid var(--gold)}