/* 广告合作页：沿用本站字体、导航与青绿色，内容按媒体资料页组织。 */
body.ipkk-advertise { margin: 0; line-height: 1.65; -webkit-font-smoothing: antialiased; }
.ipkk-advertise *, .ipkk-advertise *::before, .ipkk-advertise *::after { box-sizing: border-box; }
.ad-page {
  width: calc(100% - 48px); max-width: var(--ipkk-width, 1200px); margin: 112px auto 48px;
  border: 1px solid var(--ipkk-line); border-radius: 14px; background: #fff;
  box-shadow: var(--ipkk-shadow); overflow: hidden;
}
.ad-page a { color: var(--ipkk-accent); text-underline-offset: 3px; }
.ad-page a:hover { color: #056963; }
.ad-page :is(h1, h2, h3, h4, p, dl, dd, ul) { margin: 0; }
.ad-icon { width: 21px; height: 21px; flex: 0 0 auto; vertical-align: middle; }
.ad-heading { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 30px; border-bottom: 1px solid var(--ipkk-line); }
.ad-heading .ad-eyebrow { color: var(--ipkk-accent); font-size: 12px; font-weight: 750; letter-spacing: .14em; }
.ad-heading h1 { margin: 5px 0 10px; font-size: 38px; line-height: 1.35; letter-spacing: -.035em; font-weight: 750; }
.ad-heading p { color: #617487; font-size: 15px; line-height: 1.85; }
.ad-heading .ad-heading-art { width: 94px; height: 94px; margin-right: 6px; color: #9aafbb; opacity: .35; stroke-width: 1.2; transform: rotate(-9deg); }
.ad-content { padding: 0 30px; }
.ad-section { padding: 28px 0; }
.ad-section + .ad-section { border-top: 1px solid var(--ipkk-line); }
.ad-section h2 { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; font-size: 18px; font-weight: 700; line-height: 1.5; letter-spacing: -.01em; }
.ad-section h2 > .ad-icon { width: 20px; height: 20px; color: var(--ipkk-accent); }
.ad-section h3 { font-size: 15px; line-height: 1.6; font-weight: 650; }
.ad-data-section { color: #202124; }
.ad-data-section h2 { margin-bottom: 0; font-size: 16px; line-height: 24px; letter-spacing: 0; }
.ad-page .ad-data-intro { margin-bottom: 18px; color: #6c7280; font-size: 14px; line-height: 24px; }
.ad-stat-panel { border: 1px solid #e2e8f0; border-radius: 12px; padding: 16px; min-width: 0; background: #fff; }
.ad-stat-head { display: flex; justify-content: space-between; align-items: center; gap: 8px 12px; padding-bottom: 13px; border-bottom: 1px solid #e2e8f0; }
.ad-stat-head h3 { display: flex; align-items: center; gap: 8px; min-width: 0; font-size: 14px; font-weight: 650; line-height: 20px; white-space: nowrap; }
.ad-stat-head img { width: 20px; height: 20px; object-fit: contain; flex: 0 0 auto; }
.ad-stat-head .ad-cloudflare-mark { width: 28px; height: 28px; margin-block: -4px; }
.ad-period { color: #6c7280; font-size: 12px; line-height: 20px; white-space: nowrap; }
.ad-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 16px 0; }
.ad-metrics > div { display: flex; flex-direction: column; min-width: 0; }
.ad-metrics dt { color: #6c7280; font-size: 12px; line-height: 20px; }
.ad-metrics dd { order: -1; margin: 0; color: #202124; font-size: 24px; font-weight: 700; line-height: 32px; font-variant-numeric: tabular-nums; letter-spacing: -.025em; }
.ad-metrics-traffic { grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.166667fr); gap: 0; }
.ad-metrics-traffic > div + div { border-left: 1px solid #e2e8f0; padding-left: 16px; }
.ad-metrics .ad-regions dd { display: flex; align-items: center; flex-wrap: wrap; min-height: 32px; gap: 4px; }
.ad-regions img { width: 20px; height: 20px; object-fit: cover; border-radius: 4px; }
.ad-metrics .ad-metric-empty { color: #9aa0a7; font-size: 12px; font-weight: 400; letter-spacing: 0; }
.ad-page .ad-stat-foot { margin-top: 8px; color: #9aa0a7; font-size: 12px; line-height: 20px; font-variant-numeric: tabular-nums; }
.ad-search-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.ad-chart { margin: 0; min-width: 0; }
.ad-chart-head, .ad-chart-axis { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; line-height: 20px; }
.ad-chart-head { color: #5f6369; }
.ad-chart-head > :last-child { color: #6c7280; font-variant-numeric: tabular-nums; }
.ad-chart-plot { position: relative; display: flex; align-items: flex-end; gap: 2px; height: 48px; margin-top: 6px; border-bottom: 1px solid #e2e8f0; }
.ad-chart-axis { margin-top: 4px; color: #9aa0a7; font-variant-numeric: tabular-nums; }
.ad-bar { position: relative; flex: 1 1 0; min-width: 0; height: 100%; padding: 0; border: 0; border-radius: 4px 4px 0 0; background: transparent; cursor: default; -webkit-tap-highlight-color: transparent; }
.ad-bar > span { position: absolute; inset: auto 0 0; height: var(--bar-height); border-radius: 4px 4px 0 0; background: #17803d; pointer-events: none; }
.ad-bar > .ad-bar-positive { min-height: 1px; }
.ad-bar > .ad-bar-missing { height: 100%; background: repeating-linear-gradient(135deg, transparent, transparent 3px, #e2e8f0 3px, #e2e8f0 4px); }
.ad-bar:focus-visible { outline: 2px solid #17803d; outline-offset: 2px; }
.ad-chart-tooltip { position: absolute; z-index: 2; max-width: min(320px, 100%); width: max-content; padding: 6px 8px; border-radius: 6px; color: #fff; background: #202124; box-shadow: 0 3px 12px #2021241a; font-size: 11px; line-height: 1.6; pointer-events: none; }
.ad-chart-tooltip[hidden] { display: none; }
.ad-chart-empty { align-items: center; justify-content: center; }
.ad-chart-placeholder { color: #9aa0a7; font-size: 12px; }
.ad-page .ad-fine-print.ad-data-disclaimer { margin-top: 10px; color: #9aa0a7; font-size: 12px; line-height: 20px; }
@media (hover: hover) and (pointer: fine) { .ad-bar:hover > span:not(.ad-bar-missing) { background: #126b32; } }
.ad-page .ad-data-note { margin-top: 10px; padding: 8px 10px; border-radius: 6px; color: #617487; background: #f4f7f9; font-size: 12px; }
.ad-page .ad-fine-print { margin-top: 14px; color: #70828f; font-size: 12px; line-height: 1.9; }
.ad-page .ad-intro { margin-top: 20px; color: #526979; font-size: 14px; line-height: 1.9; }
.ad-audience-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.ad-audience, .ad-benefit { display: flex; align-items: flex-start; gap: 11px; padding: 16px; border: 1px solid var(--ipkk-line); border-radius: 10px; }
.ad-audience > .ad-icon, .ad-benefit > .ad-icon { margin-top: 3px; color: var(--ipkk-accent); }
.ad-audience p, .ad-benefit p { margin-top: 5px; color: #617487; font-size: 13px; line-height: 1.8; }
.ad-tags { display: flex; flex-wrap: wrap; list-style: none; padding: 0; gap: 10px; }
.ad-tags li { display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; border: 1px solid var(--ipkk-line); border-radius: 8px; background: #f8fafb; color: #526979; font-size: 13px; }
.ad-tags .ad-icon { width: 17px; height: 17px; color: var(--ipkk-accent); }
.ad-page .ad-section-note { color: #617487; font-size: 13px; line-height: 1.9; }
.ad-section > .ad-section-note + :is(.ad-audience-grid, .ad-tags) { margin-top: 16px; }
.ad-tags + .ad-section-note { margin-top: 14px; }
.ad-benefits-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ad-placements { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.ad-benefit { background: #fbfcfd; }
.ad-section-title { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 0 16px; margin-bottom: 16px; }
.ad-section-title h2 { margin: 0; }
.ad-section-title > span { color: #70828f; font-size: 12px; }
.ad-placement { scroll-margin-top: 100px; display: flex; flex-direction: column; gap: 12px; min-width: 0; padding: 22px; border: 1px solid #e2e8f0; border-radius: 12px; background: #fff; }
.ad-placement-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 12px; }
.ad-placement-head h3 { color: #202124; font-size: 17px; line-height: 1.5; font-weight: 650; }
.ad-slot-state { display: inline-flex; color: #6c7280; border: 1px solid #e2e8f0; padding: 1px 9px; border-radius: 999px; font-size: 12px; line-height: 22px; white-space: nowrap; }
.placement-catalog-available { color: #17803d; border-color: #b9e4c6; }
.ad-placement > p { color: #6c7280; font-size: 15px; line-height: 1.8; }
.placement-catalog-offer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 4px 16px; min-width: 0; margin-top: auto; padding-top: 4px; }
.placement-catalog-price { display: flex; flex-wrap: wrap; gap: 0 .3em; color: #17803d; font-size: 23px; font-weight: 700; line-height: 1.5; font-variant-numeric: tabular-nums; letter-spacing: -.015em; }
.placement-catalog-price > span { white-space: nowrap; }
.placement-catalog-more { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; margin-left: auto; padding: 8px 0 8px 8px; border: 0; border-radius: 4px; background: none; color: #6c7280; font: inherit; font-size: 12px; cursor: pointer; white-space: nowrap; text-underline-offset: 3px; }
.placement-catalog-more .ad-icon { width: 15px; height: 15px; }
.placement-catalog-more:active { color: #126b32; }
@media (hover: hover) and (pointer: fine) { .placement-catalog-more:hover { color: #17803d; text-decoration: underline; } }
#ad-application { scroll-margin-top: 100px; }
.ad-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px 16px; margin-top: 20px; }
.ad-form-grid label { display: block; min-width: 0; color: #374f60; font-size: 13px; font-weight: 600; }
.ad-required { margin-left: 4px; color: var(--ipkk-accent); }
.ad-optional { margin-left: 7px; color: #738492; font-size: 11px; font-weight: 400; }
.ad-form-grid :is(input, select, textarea) { display: block; width: 100%; margin-top: 7px; padding: 10px 12px; color: var(--ipkk-ink); background: #fff; border: 1px solid #d7e1e8; border-radius: 7px; font: 400 14px/1.6 var(--ipkk-font); transition: border-color .15s, box-shadow .15s; }
.ad-form-grid input, .ad-form-grid select { min-height: 44px; }
.ad-form-grid select { appearance: none; padding-right: 38px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7e8e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 13px center; }
.ad-form-grid textarea { resize: vertical; min-height: 112px; }
.ad-form-grid ::placeholder { color: #8999a4; }
.ad-form-full { grid-column: 1 / -1; }
.ad-form-grid :is(input, select, textarea):focus { outline: none; border-color: var(--ipkk-accent); box-shadow: 0 0 0 3px rgba(8,127,121,.1); }
.ad-form-actions { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 20px; }
.ad-form-actions > p { color: #738492; font-size: 12px; }
.ad-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 17px; color: #fff !important; background: var(--ipkk-accent); border: 1px solid var(--ipkk-accent); border-radius: 7px; font: 600 14px/1.5 var(--ipkk-font); text-decoration: none; cursor: pointer; }
.ad-button:hover { background: #056963; border-color: #056963; }
.ad-button .ad-icon { width: 18px; height: 18px; }
.ad-button-secondary { color: var(--ipkk-accent) !important; background: #fff; border-color: #cadbdc; }
.ad-button-secondary:hover { background: #f0f7f5; border-color: #9ebfba; }
.ad-page :is(a, button):focus-visible { outline: 3px solid #5bc7b9; outline-offset: 3px; }
.ad-page .ad-noscript { padding-top: 12px; color: #526979; font-size: 14px; }
.ad-terms ul { padding-left: 20px; color: #617487; font-size: 13px; line-height: 1.9; }
.ad-terms li + li { margin-top: 8px; }
.ad-terms li::marker { color: #93aaa9; }
.ad-form-trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.ad-form-actions .ad-button:disabled { cursor: wait; opacity: .65; }
.ad-submit-status { margin: 18px 0 0; padding: 13px 16px; border: 1px solid #cfe7de; border-radius: 8px; background: #f0f8f4; color: #346d59; font-size: 14px; }
.ad-submit-status[data-state="error"] { border-color: #eed4cc; background: #fff5f1; color: #975346; }
.ad-submit-status:focus-visible { outline: 2px solid var(--ipkk-accent); outline-offset: 3px; }
.ad-cooperation-footer { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr); gap: 40px; align-items: start; }
.ad-cooperation-contact { min-width: 0; padding: 24px; border: 1px solid #dfeae6; border-radius: 12px; background: #f7faf8; }
.ad-cooperation-contact > p { margin: 10px 0 18px; color: #617487; font-size: 13px; }
.ad-contact-methods { display: grid; gap: 10px; }
.ad-contact-methods .ipkk-placement-contact-method { display: grid; grid-template-columns: 32px minmax(0, 1fr) 16px; align-items: center; gap: 12px; padding: 12px; border: 1px solid #dfeae6; border-radius: 9px; background: #fff; text-decoration: none; }
.ad-contact-methods .ipkk-placement-contact-method:hover { border-color: #9ebfba; background: #f0f7f5; }
.ad-contact-methods .ipkk-placement-contact-icon { width: 32px; height: 32px; padding: 6px; border-radius: 8px; background: #eaf4ef; color: var(--ipkk-accent); }
.ad-contact-methods .ipkk-placement-contact-copy { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ad-contact-methods .ipkk-placement-contact-copy > span { color: #738492; font-size: 11px; }
.ad-contact-methods .ipkk-placement-contact-copy strong { color: var(--ipkk-accent); font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.ad-contact-methods .ipkk-placement-contact-arrow { width: 16px; height: 16px; color: #7d9b92; }
@media (max-width: 760px) {
  .ad-placements { grid-template-columns: minmax(0, 1fr); }
  .ad-cooperation-footer { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .ad-page { margin-top: 100px; margin-bottom: 32px; }
  .ad-heading { padding: 25px; }
  .ad-heading h1 { font-size: 32px; }
  .ad-content { padding: 0 25px; }
  .ad-metrics-traffic { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 0; }
  .ad-metrics-traffic > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .ad-traffic-panel .ad-stat-head { flex-wrap: wrap; }
  .ad-audience-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ad-search-stats { grid-template-columns: minmax(0, 1fr); }
  .ad-section-title { gap: 6px; }
}
@media (max-width: 640px) {
  .ad-page { width: calc(100% - 24px); }
}
@media (max-width: 540px) {
  .ad-page { margin-top: 84px; border-radius: 11px; }
  .ad-heading { padding: 23px 20px; gap: 10px; }
  .ad-heading h1 { font-size: 28px; }
  .ad-heading p { font-size: 13px; }
  .ad-heading .ad-eyebrow { font-size: 10px; }
  .ad-heading .ad-heading-art { display: none; }
  .ad-content { padding: 0 20px; }
  .ad-section { padding: 24px 0; }
  .ad-section h2 { font-size: 17px; }
  .ad-search-stats, .ad-audience-grid, .ad-benefits-grid, .ad-placements, .ad-form-grid { grid-template-columns: minmax(0, 1fr); }
  .ad-stat-panel { padding: 14px; }
  .ad-metrics, .ad-metrics-traffic { column-gap: 12px; }
  .ad-metrics-traffic { column-gap: 0; }
  .ad-metrics dd { font-size: 24px; }
  .ad-metrics .ad-regions dd { gap: 4px; }
  .ad-stat-head { flex-wrap: wrap; }
  .ad-traffic-panel .ad-period { white-space: normal; }
  .ad-data-section h2 { font-size: 16px; }
  .ad-tags { gap: 8px; }
  .ad-tags li { font-size: 12px; padding: 7px 9px; }
  .ad-audience, .ad-benefit { padding: 14px; }
  .ad-form-actions > p { order: 2; }
  .ad-form-grid :is(input, select, textarea) { font-size: 16px; }
  .ad-form-actions > .ad-button { width: 100%; }
  .ad-placement { padding: 16px; }
  .ad-cooperation-contact { padding: 18px; }
  #ad-application { scroll-margin-top: 80px; }
}
@media (prefers-reduced-motion: reduce) {
  .ad-form-grid :is(input, select, textarea) { transition: none; }
}