/* 首页独立样式，避免后台布局和组件样式影响公开页面。 */
:root {
    color-scheme: light;
    --ink: #172d36;
    --muted: #64757b;
    --accent: #4f46b5;
    --line: #e2e2ef;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: #fbfbfe; color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #169d82; outline-offset: 5px; }
h1, h2, h3, p { margin: 0; }
a, h1, h2, p, dd { overflow-wrap: anywhere; }
.container { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; padding: 12px; background: #fff; z-index: 10; }
.skip-link:focus { top: 12px; }
.home-header { border-bottom: 1px solid var(--line); background: #fbfbfe; }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 23px; font-weight: 750; min-width: 0; }
.brand img { object-fit: contain; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; flex-shrink: 0; background: var(--accent); color: #fff; border-radius: 12px 12px 4px 12px; font-size: 23px; }
.header-inner nav { display: flex; align-items: center; gap: 30px; flex-shrink: 0; font-size: 14px; }
.nav-secondary { color: var(--muted); }
.nav-secondary:hover, .text-link:hover { color: var(--accent); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 20px; padding: 17px 24px; border-radius: 8px; font-weight: 600; font-size: 15px; transition: background .18s ease, transform .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-small { padding: 12px 16px; font-size: 13px; gap: 12px; }
.button-dark { color: #fff; background: var(--ink); }
.button-dark:hover { background: #294651; }
.button-primary { background: var(--accent); color: #fff; }
.button-primary:hover { background: #37308f; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 70px; padding-block: 96px 88px; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--accent); font-size: 12px; font-weight: 600; letter-spacing: .1em; line-height: 1.8; }
.eyebrow > span { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
h1 { max-width: 620px; margin: 23px 0; font-size: clamp(36px, 4.4vw, 57px); line-height: 1.28; letter-spacing: -.045em; font-weight: 750; text-wrap: balance; }
.hero-description { color: var(--muted); font-size: 16px; line-height: 1.95; max-width: 520px; }
.hero-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; margin-top: 32px; }
.text-link { display: inline-flex; gap: 10px; align-items: center; font-size: 14px; }
.hero-notes { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--muted); font-size: 12px; }
.hero-notes i { margin-right: 5px; color: var(--accent); }
/* 快捷入口呈现真实导航，不模拟登录后的业务统计。 */
.workspace { position: relative; background: #fff; padding: 28px; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 24px 60px -28px #2d554f40; }
.workspace-heading { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.workspace-icon { width: 44px; height: 44px; display: grid; place-items: center; background: #efeeff; border-radius: 12px; color: var(--accent); font-size: 21px; flex-shrink: 0; }
.workspace-heading h2 { font-size: 17px; line-height: 1.5; }
.workspace-heading p { font-size: 12px; color: var(--muted); margin-top: 4px; line-height: 1.6; }
.workspace-primary { display: flex; align-items: center; justify-content: space-between; gap: 15px; border-radius: 12px; padding: 25px 22px; background: #efeeff; border: 1px solid #dedcff; transition: background .18s ease; }
.workspace-primary:hover { background: #e4e3ff; }
.workspace-primary small { color: var(--accent); font-size: 11px; }
.workspace-primary strong { display: block; margin: 12px 0 8px; font-size: 21px; }
.workspace-primary span span { font-size: 12px; color: var(--muted); line-height: 1.7; }
.workspace-primary > i { color: var(--accent); font-size: 22px; }
.workspace-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.workspace-links a { position: relative; border: 1px solid var(--line); border-radius: 10px; padding: 19px 16px; transition: border-color .18s ease; }
.workspace-links a:hover { border-color: var(--accent); }
.workspace-links i:first-child { color: var(--accent); font-size: 22px; }
.workspace-links strong { display: block; margin: 14px 0 6px; font-size: 14px; }
.workspace-links span { font-size: 11px; color: var(--muted); }
.workspace-links i:last-child { position: absolute; top: 19px; right: 16px; font-size: 14px; color: #8585a6; }
.workspace-foot { color: var(--muted); font-size: 11px; line-height: 1.8; margin-top: 22px; text-align: center; }
.workspace-foot i { margin-right: 5px; }
.capabilities { padding-block: 48px 80px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
h2 { font-size: 29px; line-height: 1.45; letter-spacing: -.025em; }
.section-heading h2, .getting-started h2, .contact h2 { margin-top: 12px; }
.section-heading > p { color: var(--muted); font-size: 13px; line-height: 1.9; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature { position: relative; background: #fff; padding: 28px; border: 1px solid var(--line); border-radius: 12px; }
.feature-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 10px; background: #f0efff; color: var(--accent); font-size: 22px; }
.feature-number { position: absolute; top: 29px; right: 28px; font-size: 12px; color: #82918b; font-variant-numeric: tabular-nums; }
.feature h3 { font-size: 18px; margin: 24px 0 12px; }
.feature p { font-size: 14px; line-height: 1.9; color: var(--muted); }
.feature-tags { display: block; margin-top: 25px; padding-top: 18px; border-top: 1px solid #ededf5; color: #65658a; font-size: 11px; line-height: 1.8; }
.getting-started { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 42px; background: #edf2ed; border-radius: 16px; margin-bottom: 64px; }
.getting-started p:not(.eyebrow) { margin-top: 16px; font-size: 14px; line-height: 1.9; color: var(--muted); }
.start-links a { display: flex; align-items: center; justify-content: space-between; padding: 17px 0; border-bottom: 1px solid #deddf0; font-size: 15px; }
.start-links a:first-child { padding-top: 0; }
.start-links a:last-child { border-bottom: 0; padding-bottom: 0; }
.start-links small { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
.start-links a:hover { color: var(--accent); }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding-bottom: 64px; }
.contact h2 { font-size: 24px; }
.contact p:not(.eyebrow) { margin-top: 12px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.contact dl { display: grid; gap: 18px; margin: 0; }
.contact dl > div { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 20px; font-size: 14px; line-height: 1.8; }
.contact dt { color: var(--muted); }
.contact dd { margin: 0; }
.contact a:hover { text-decoration: underline; }
.home-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; padding-block: 25px; font-size: 12px; color: var(--muted); line-height: 1.8; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.footer-inner a:hover { color: var(--accent); }
/* 平板与手机保持自然阅读顺序，不隐藏首页的关键操作入口。 */
@media (max-width: 960px) {
    .hero { gap: 35px; padding-block: 64px; }
    .workspace { padding: 20px; }
    .feature { padding: 22px; }
    .hero-notes { gap: 10px; }
    .getting-started { gap: 30px; }
}
@media (max-width: 760px) {
    .container { width: calc(100% - 40px); }
    .header-inner { min-height: 76px; gap: 14px; }
    .brand { font-size: 19px; }
    .header-inner nav { gap: 0; }
    .nav-secondary { display: none; }
    .hero { grid-template-columns: 1fr; padding-block: 48px; gap: 40px; }
    h1 { max-width: 540px; }
    .workspace { max-width: 540px; width: 100%; }
    .section-heading { display: block; }
    .section-heading > p { margin-top: 16px; }
    .section-heading br { display: none; }
    .feature-grid { grid-template-columns: 1fr; }
    .capabilities { padding-block: 36px 40px; }
    .getting-started { grid-template-columns: 1fr; padding: 28px; margin-bottom: 40px; }
    .contact { grid-template-columns: 1fr; gap: 25px; padding-bottom: 40px; }
    .footer-inner { flex-direction: column; gap: 12px; }
}
@media (max-width: 400px) {
    .header-inner { flex-wrap: wrap; padding-block: 16px; }
    .brand { max-width: 100%; }
    .hero-actions { gap: 20px; }
    .workspace-links { grid-template-columns: 1fr; }
    h2 { font-size: 25px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .button, .workspace-primary, .workspace-links a { transition: none; }
    .button:hover { transform: none; }
}