:root { color-scheme: light; --tech-text: #26312d; --tech-muted: #747e79; --tech-line: #e2e7e4; --tech-blue: #1677ff; --tech-green: #238062; --tech-coral: #cb6651; --tech-bg: #f5f7f6; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 20px; }
body.tech-site { margin: 0; color: var(--tech-text); background: var(--tech-bg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif; font-size: 14px; line-height: 1.7; letter-spacing: 0; -webkit-font-smoothing: antialiased; }
.tech-site button, .tech-site input { font: inherit; letter-spacing: 0; }
.tech-site a { color: inherit; text-decoration: none; }
.tech-site button { color: inherit; cursor: pointer; }
.tech-site img { display: block; max-width: 100%; height: auto; }
.tech-site svg { flex-shrink: 0; }
.tech-site h1, .tech-site h2, .tech-site h3, .tech-site p { margin-top: 0; }
.tech-site h1, .tech-site h2, .tech-site h3 { line-height: 1.45; overflow-wrap: anywhere; }
.tech-site [hidden] { display: none !important; }
.tech-site a:focus-visible, .tech-site button:focus-visible, .tech-site input:focus-visible { outline: 3px solid var(--tech-blue); outline-offset: 3px; }
.tech-shell { width: min(1500px, calc(100% - 48px)); margin-inline: auto; }
.tech-skip-link, .tech-skip { position: fixed; top: 8px; left: 12px; z-index: 100; padding: 8px 16px; background: white; border: 2px solid var(--tech-blue); transform: translateY(-160%); }
.tech-skip-link:focus, .tech-skip:focus { transform: translateY(0); }
.tech-header { position: relative; z-index: 10; background: #fff; border-bottom: 1px solid var(--tech-line); }
.tech-header-row { display: flex; align-items: center; gap: 30px; min-height: 76px; }
.tech-brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; font-size: 19px; font-weight: 700; white-space: nowrap; }
.tech-brand img { width: 36px; height: 36px; object-fit: contain; }
.tech-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.tech-nav a { display: inline-flex; align-items: center; min-height: 42px; font-size: 14px; white-space: nowrap; }
.tech-nav a:hover, .tech-nav a[aria-current="page"] { color: var(--tech-blue); }
.tech-nav a[aria-current="page"] { box-shadow: inset 0 -2px var(--tech-blue); }
.tech-search { display: flex; align-items: center; flex: 0 1 190px; width: 190px; min-width: 130px; height: 36px; border: 1px solid var(--tech-line); border-radius: 5px; background: var(--tech-bg); }
.tech-search:focus-within { border-color: var(--tech-blue); }
.tech-search input { width: 100%; min-width: 0; padding: 7px 3px 7px 11px; border: 0; color: var(--tech-text); background: transparent; font-size: 12px; }
.tech-search input:focus-visible { outline: 0; }
.tech-search button { display: grid; place-items: center; width: 34px; height: 34px; flex-shrink: 0; padding: 7px; border: 0; background: transparent; }
.tech-search button:hover { color: var(--tech-blue); }
.tech-search svg { width: 17px; height: 17px; }
.tech-menu { display: none; place-items: center; flex-shrink: 0; width: 38px; height: 38px; padding: 8px; border: 1px solid var(--tech-line); border-radius: 4px; background: #fff; }
.tech-menu svg { width: 20px; height: 20px; }
.tech-banner { position: relative; isolation: isolate; overflow: hidden; width: 100%; height: min(440px, calc((100vw - 48px) / 3)); min-height: 280px; margin-top: 22px; background: #eaf0ee; }
.tech-slide { position: absolute; inset: 0; z-index: -1; }
.tech-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.tech-banner-copy { padding: 61px 54px 68px; }
.tech-banner-copy h1 { max-width: 560px; margin-bottom: 12px; font-size: 32px; font-weight: 750; }
.tech-banner-copy [data-hero-title] { max-width: 540px; margin-bottom: 9px; font-size: 19px; font-weight: 650; }
.tech-banner-copy [data-hero-desc] { max-width: 480px; margin-bottom: 22px; color: #54645c; font-size: 14px; line-height: 1.8; }
.tech-banner-copy [data-hero-link] { display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 7px 17px; border: 1px solid var(--tech-green); border-radius: 4px; color: #fff; background: var(--tech-green); font-size: 13px; font-weight: 600; }
.tech-banner-copy [data-hero-link]:hover { background: #19674d; }
.tech-banner-copy [data-hero-link] svg { width: 15px; height: 15px; }
.tech-carousel-controls { position: absolute; right: 22px; bottom: 17px; display: flex; align-items: center; gap: 5px; }
.tech-carousel-controls button { display: grid; place-items: center; width: 32px; height: 32px; padding: 6px; border: 1px solid #c5d0c9; border-radius: 4px; background: rgb(255 255 255 / 92%); }
.tech-carousel-controls button:hover { color: var(--tech-green); border-color: var(--tech-green); }
.tech-carousel-controls svg { width: 16px; height: 16px; }
.tech-carousel-controls [data-dot] { width: 21px; padding: 0; border: 0; background: transparent; }
.tech-carousel-controls [data-dot]::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #8a9b91; }
.tech-carousel-controls [data-dot][aria-current="true"]::before { width: 8px; height: 8px; background: var(--tech-green); }
.tech-notice { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 9px; min-height: 43px; padding-block: 10px; border-bottom: 1px solid var(--tech-line); color: #67746c; font-size: 12px; }
.tech-notice strong { flex-shrink: 0; }
.tech-notice > span { min-width: 0; overflow-wrap: anywhere; }
.tech-notice svg { width: 15px; height: 15px; color: var(--tech-coral); }
.tech-notice p { margin: 0; }
.tech-notice a { color: var(--tech-blue); }
.tech-shortcuts { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); padding-block: 15px; border-bottom: 1px solid var(--tech-line); }
.tech-shortcuts a { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; min-height: 35px; padding: 4px 10px; border-left: 1px solid var(--tech-line); font-size: 13px; font-weight: 600; }
.tech-shortcuts a:first-child { border-left: 0; }
.tech-shortcuts a:hover { color: var(--tech-blue); }
.tech-shortcuts svg { width: 18px; height: 18px; color: var(--tech-green); }
.tech-shortcuts a:nth-child(3n) svg { color: var(--tech-coral); }
.tech-section { padding-block: 25px 4px; }
.tech-section:last-child { padding-bottom: 32px; }
.tech-section-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.tech-section-head h2 { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 19px; font-weight: 700; }
.tech-section-head h2 svg { width: 19px; height: 19px; color: var(--tech-green); }
.tech-section-head > a { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; color: var(--tech-muted); font-size: 12px; }
.tech-section-head > a:hover { color: var(--tech-blue); }
.tech-section-head > a svg { width: 14px; height: 14px; }
.tech-grid { display: grid; grid-template-columns: repeat(var(--tech-cols, 6), minmax(0, 1fr)); gap: 14px; }
.tech-card { min-width: 0; height: 110px; border: 1px solid var(--tech-line); border-radius: 6px; background: #fff; }
.tech-card:hover { border-color: #a9c7b7; }
.tech-card-link { display: flex; align-items: center; gap: 11px; width: 100%; height: 100%; padding: 10px 13px; }
.tech-card-link:focus-visible { border-radius: 5px; outline-offset: -3px; }
.tech-card-icon { width: 48px; height: 48px; flex: 0 0 48px; object-fit: contain; border-radius: 6px; }
.tech-card-text { min-width: 0; }
.tech-card-text h3 { display: -webkit-box; overflow: hidden; margin: 0 0 5px; font-size: 15px; line-height: 1.4; font-weight: 650; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.tech-card-text p { display: -webkit-box; overflow: hidden; margin: 0; color: var(--tech-muted); font-size: 12px; line-height: 1.65; overflow-wrap: anywhere; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.tech-card:hover h3 { color: var(--tech-blue); }
.tech-empty { padding: 16px 0; color: var(--tech-muted); font-size: 13px; }
.tech-empty p { margin: 0; }
.tech-results { min-height: 300px; padding-block: 27px 36px; }
.tech-results h1 { margin-bottom: 20px; font-size: 25px; }
.tech-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 25px 20px; color: var(--tech-muted); font-size: 12px; }
.tech-breadcrumb a:hover { color: var(--tech-blue); }
.tech-article { max-width: 900px; margin-inline: auto; padding-bottom: 28px; }
.tech-article-head { padding-bottom: 20px; margin-bottom: 23px; border-bottom: 1px solid var(--tech-line); }
.tech-article-head h1 { margin-bottom: 12px; font-size: 29px; }
.tech-article-head p { margin: 0; color: var(--tech-muted); }
.tech-article-head time { color: var(--tech-muted); font-size: 12px; }
.tech-prose { font-size: 15px; line-height: 1.95; overflow-wrap: anywhere; }
.tech-prose h2 { margin-block: 27px 11px; font-size: 21px; }
.tech-prose h3 { margin-block: 21px 9px; font-size: 17px; }
.tech-prose p { margin-bottom: 17px; }
.tech-prose a { color: var(--tech-blue); text-decoration: underline; text-underline-offset: 3px; }
.tech-prose ul, .tech-prose ol { padding-left: 23px; margin-block: 14px 23px; }
.tech-prose li { margin-bottom: 7px; }
.tech-prose img { margin-block: 20px; }
.tech-prose blockquote { margin: 22px 0; padding: 12px 18px; border-left: 3px solid var(--tech-green); background: #ebf1ee; }
.tech-prose blockquote > :last-child { margin-bottom: 0; }
.tech-prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.tech-prose th, .tech-prose td { padding: 9px 13px; border: 1px solid var(--tech-line); text-align: left; }
.tech-pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-block: 25px 35px; }
.tech-pagination a, .tech-pagination span { display: inline-flex; justify-content: center; align-items: center; min-width: 34px; min-height: 34px; padding: 3px 8px; border: 1px solid var(--tech-line); border-radius: 4px; }
.tech-pagination a:hover, .tech-pagination .current { color: var(--tech-blue); border-color: var(--tech-blue); }
.tech-footer { margin-top: 28px; padding-block: 22px; border-top: 1px solid var(--tech-line); background: #fff; color: var(--tech-muted); font-size: 12px; }
.tech-footer > .tech-shell { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 8px 25px; }
.tech-footer p { margin: 0; }
.tech-footer a { color: var(--tech-blue); }
.tech-footer a + a { margin-left: 14px; }
.tech-site span[data-lucide] { display: inline-grid; place-items: center; width: 18px; height: 18px; flex-shrink: 0; font-family: Arial, sans-serif; font-size: 17px; line-height: 1; }
.tech-site span[data-lucide="menu"]::before { content: "\2630"; }
.tech-site span[data-lucide="search"]::before { content: "\2315"; }
.tech-site span[data-lucide="chevron-left"]::before, .tech-site span[data-lucide="arrow-left"]::before { content: "\2190"; }
.tech-site span[data-lucide="chevron-right"]::before, .tech-site span[data-lucide="arrow-right"]::before { content: "\2192"; }
.tech-site span[data-lucide="external-link"]::before, .tech-site span[data-lucide="arrow-up-right"]::before { content: "\2197"; }
.tech-site span[data-lucide="pause"]::before { content: "\2016"; }
.tech-site span[data-lucide="play"]::before { content: "\25B6"; }
.tech-site span[data-lucide="shield-check"]::before { content: "\2713"; }
.tech-site span[data-lucide="rss"]::before { content: "\25D4"; }
.tech-site span[data-lucide="crosshair"]::before { content: "\2295"; }
.tech-site span[data-lucide="book-open"]::before { content: "\25A4"; }
.tech-site span[data-lucide="link"]::before { content: "\2197"; }
.tech-site span[data-lucide="megaphone"]::before { content: "!"; }
.tech-site span[data-lucide="monitor"]::before { content: "\25A3"; }
.tech-site span[data-lucide="smartphone"]::before { content: "\25AF"; }
.tech-site span[data-lucide="layers"]::before { content: "\25C7"; }
.tech-site span[data-lucide="wrench"]::before { content: "+"; }
.tech-site span[data-lucide="refresh-cw"]::before { content: "\21BB"; }
.tech-site span[data-lucide="newspaper"]::before { content: "\25A4"; }
@media (max-width: 1350px) {
  .tech-header-row { gap: 22px; }
  .tech-nav { gap: 21px; }
  .tech-banner-copy { padding-top: 41px; }
}
@media (max-width: 1100px) {
  .tech-grid[style*="--tech-cols:6"], .tech-grid:not([style]) { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .tech-header-row { gap: 16px; }
  .tech-nav { gap: 17px; }
  .tech-search { flex-basis: 160px; }
  .tech-brand { font-size: 18px; }
  .tech-banner-copy { padding: 34px 35px 57px; }
  .tech-banner-copy h1 { font-size: 30px; }
  .tech-banner-copy [data-hero-desc] { max-width: 400px; margin-bottom: 17px; }
}
@media (max-width: 980px) {
  .tech-site .tech-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .tech-slide img { object-position: left center; }
  .tech-header-row { min-height: 71px; flex-wrap: wrap; gap: 12px; }
  .tech-brand { margin-right: auto; }
  .tech-menu { display: grid; order: 2; }
  .tech-search { flex-basis: 180px; order: 1; }
  .tech-nav { display: none; flex-basis: 100%; order: 3; margin-left: 0; padding-bottom: 12px; gap: 4px; }
  .tech-nav.is-open { display: flex; flex-wrap: wrap; }
  .tech-nav a { justify-content: center; flex: 1 1 100px; min-height: 36px; font-size: 13px; }
  .tech-grid { gap: 12px; }
  .tech-card-link { gap: 9px; padding: 11px; }
  .tech-card-icon { width: 38px; height: 38px; flex-basis: 38px; }
  .tech-shortcuts a { gap: 6px; padding-inline: 6px; font-size: 12px; }
}
@media (max-width: 700px) {
  .tech-slide img { object-fit: contain; object-position: center bottom; padding-bottom: 44px; }
  .tech-shell { width: calc(100% - 32px); }
  .tech-brand { font-size: 17px; }
  .tech-brand img { width: 32px; height: 32px; }
  .tech-search { flex-basis: 150px; min-width: 100px; }
  .tech-banner { height: min(360px, calc((100vw - 32px) * .75)); min-height: 270px; margin-top: 16px; }
  .tech-banner-copy { padding: 31px 25px 56px; }
  .tech-banner-copy h1 { font-size: 26px; margin-bottom: 10px; }
  .tech-banner-copy [data-hero-title] { font-size: 17px; max-width: 330px; margin-bottom: 8px; }
  .tech-banner-copy [data-hero-desc] { max-width: 310px; font-size: 13px; line-height: 1.8; margin-bottom: 15px; }
  .tech-carousel-controls { right: 16px; bottom: 14px; }
  .tech-shortcuts { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 0; padding-block: 12px; }
  .tech-shortcuts a:nth-child(4) { border-left: 0; }
  .tech-shortcuts a { gap: 7px; }
  .tech-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .tech-card-link { padding: 11px 13px; gap: 10px; }
  .tech-card-icon { width: 42px; height: 42px; flex-basis: 42px; }
  .tech-card-text h3 { font-size: 14px; }
  .tech-section { padding-top: 22px; }
  .tech-section-head h2 { font-size: 18px; }
  .tech-article-head h1 { font-size: 25px; }
}
@media (max-width: 480px) {
  .tech-header-row { min-height: 65px; gap: 8px; }
  .tech-brand { gap: 7px; font-size: 15px; }
  .tech-brand img { width: 29px; height: 29px; }
  .tech-search { flex: 0 1 112px; min-width: 0; height: 34px; }
  .tech-search input { padding-left: 8px; }
  .tech-search button { width: 29px; height: 32px; }
  .tech-menu { width: 34px; height: 36px; padding: 7px; }
  .tech-banner { min-height: 320px; }
  .tech-banner-copy { padding: 27px 20px 56px; }
  .tech-banner-copy h1 { font-size: 26px; }
  .tech-banner-copy [data-hero-title] { font-size: 16px; }
  .tech-banner-copy [data-hero-desc] { max-width: 260px; }
  .tech-carousel-controls { right: 13px; bottom: 12px; gap: 3px; }
  .tech-carousel-controls button { width: 30px; height: 30px; }
  .tech-carousel-controls [data-dot] { width: 16px; }
  .tech-card-link { padding: 11px; gap: 8px; }
  .tech-card-icon { width: 34px; height: 34px; flex-basis: 34px; }
  .tech-card-text h3 { font-size: 13px; }
  .tech-card-text p { font-size: 11px; }
  .tech-notice { font-size: 11px; }
}
@media (max-width: 380px) {
  .tech-brand { font-size: 14px; gap: 6px; }
  .tech-brand img { width: 26px; height: 26px; }
  .tech-search { flex-basis: 101px; }
  .tech-search input { font-size: 11px; }
  .tech-site .tech-grid { grid-template-columns: minmax(0, 1fr); }
  .tech-card-link { gap: 13px; padding: 10px 16px; }
  .tech-card-icon { width: 48px; height: 48px; flex-basis: 48px; }
  .tech-card-text h3 { font-size: 15px; }
  .tech-card-text p { font-size: 12px; }
  .tech-shortcuts a { gap: 5px; font-size: 11px; }
  .tech-shortcuts svg { width: 16px; height: 16px; }
}