/* 静态主页只使用系统字体，避免外部字体与资源依赖。 */
:root { --paper: #f6f7f9; --ink: #202834; --muted: #78808c; --line: #e2e6ec; --blue: #3868f5; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; }
.page-shell { max-width: 1220px; margin: 0 auto; padding: 0 56px; }
.site-header { height: 110px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; font-size: 17px; font-weight: 650; letter-spacing: .5px; }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; color: white; background: var(--ink); font: 700 34px/35px Georgia, serif; text-align: center; letter-spacing: -5px; padding-right: 4px; }
.brand-mark span { color: #a7bcff; }
.brand-caption { display: block; font-size: 9px; letter-spacing: 2px; margin-top: 4px; color: var(--muted); font-weight: 500; }
nav { display: flex; align-items: center; gap: 32px; font-size: 13px; }
.nav-link { color: #646c78; }
.nav-link:hover { color: var(--blue); }
.nav-entry { border: 1px solid #d9dfe8; background: white; padding: 10px 17px; border-radius: 8px; font-size: 12px; font-weight: 600; }
.nav-entry span { margin-left: 14px; }
.skip-link { position: absolute; top: -100px; z-index: 10; padding: 12px 20px; background: white; }
.skip-link:focus { top: 10px; }
.hero { min-height: 500px; padding: 70px 0 62px; display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 25px; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 10px; font-weight: 650; letter-spacing: 2px; }
.small-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
h1 { font-size: clamp(38px, 4.4vw, 58px); line-height: 1.4; letter-spacing: -2px; font-weight: 650; margin: 25px 0 20px; }
.accent-word { color: var(--blue); }
.hero-description { color: #757d8a; font-size: 14px; line-height: 1.95; margin: 0; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 28px; }
.button-primary { display: inline-flex; justify-content: space-between; align-items: center; gap: 24px; background: var(--blue); color: white; font-size: 13px; font-weight: 600; padding: 15px 21px; border-radius: 9px; box-shadow: 0 6px 16px #3868f521; transition: transform .2s, background .2s; }
.button-primary:hover { background: #2456e5; transform: translateY(-2px); }
.button-text { color: #727a86; font-size: 12px; }
.button-text span { margin-left: 8px; }
.hero-note { color: #959ba5; font-size: 11px; display: flex; align-items: center; gap: 10px; margin-top: 27px; }
.note-line { height: 1px; width: 20px; background: #bcc5d4; }
.hero-art { position: relative; height: 370px; isolation: isolate; }
.hero-art::before { content: ''; position: absolute; inset: -20px; background: radial-gradient(ellipse, #dde6ff 0, #eef1fa88 40%, transparent 68%); z-index: -2; }
.orbit { position: absolute; border: 1px solid #d4dceb; border-radius: 50%; left: 50%; top: 46%; transform: translate(-50%, -50%) rotate(-25deg); }
.orbit-outer { width: 360px; height: 255px; }
.orbit-inner { width: 265px; height: 335px; transform: translate(-50%, -50%) rotate(37deg); border-style: dashed; opacity: .65; }
.orb { position: absolute; top: 71px; left: 50%; transform: translateX(-50%); width: 205px; height: 205px; border-radius: 50%; background: radial-gradient(circle at 32% 24%, #c9d7ff 0, #799df7 29%, #4772e5 63%, #234bb4 94%); box-shadow: inset -12px -18px 28px #1a389a55, inset 3px 3px 12px #ffffff77, 0 34px 43px -19px #3561cb66; display: grid; place-items: center; }
.orb > span { font: 700 122px/.8 Georgia, serif; letter-spacing: -16px; padding-right: 16px; color: #f4f7ffcc; transform: translateY(-8px); text-shadow: 0 3px 9px #25458b33; }
.orb > span > span { color: #c7d8ff; }
.orb-highlight { position: absolute; top: 26px; left: 29px; width: 93px; height: 33px; border-radius: 50%; transform: rotate(-34deg); background: #ffffff33; filter: blur(10px); }
.orbit-label { position: absolute; display: flex; align-items: center; gap: 9px; padding: 11px 16px; background: #ffffffef; border: 1px solid white; border-radius: 10px; box-shadow: 0 8px 25px #52679913; color: #68758b; font-size: 11px; }
.label-symbol { color: var(--blue); font-size: 17px; line-height: 1; }
.label-assistant { top: 58px; right: -3px; transform: rotate(5deg); }
.label-notes { bottom: 54px; left: 9px; transform: rotate(-5deg); }
.orbit-dot { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: #8daaf3; box-shadow: 0 0 0 5px #e7edfa; }
.dot-top { left: 55px; top: 63px; }.dot-bottom { right: 36px; bottom: 92px; width: 6px; height: 6px; }
.art-coordinate { position: absolute; right: 25px; bottom: 7px; color: #a1aabb; font: 9px/1 monospace; letter-spacing: 2px; }
.applications { padding-top: 7px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 24px; }
.section-kicker { color: #969eab; font-size: 9px; letter-spacing: 2px; font-weight: 600; }
h2 { font-size: 23px; font-weight: 600; letter-spacing: -.5px; margin: 12px 0 0; }
.section-note { color: #949ba7; font-size: 11px; padding-bottom: 3px; }
.featured-app { display: flex; position: relative; overflow: hidden; justify-content: space-between; align-items: center; padding: 29px 34px; border-radius: 17px; border: 1px solid #e1e5ed; background: linear-gradient(110deg, #fff 56%, #edf2ff); transition: border-color .2s, box-shadow .2s; }
.featured-app:hover { border-color: #b9c9f2; box-shadow: 0 12px 32px #466aa00d; }
.featured-content { position: relative; z-index: 1; }
.app-topline { display: flex; align-items: center; gap: 13px; }
.hermes-icon { width: 38px; height: 38px; background: #fff2d2; border: 1px solid #f4e1b2; color: #9a6b1d; border-radius: 10px; font: 700 23px/37px Georgia, serif; text-align: center; }
.status { display: flex; align-items: center; gap: 5px; color: #64836d; font-size: 10px; }
.status > span { width: 5px; height: 5px; background: #79a382; border-radius: 50%; }
.featured-title { display: flex; align-items: center; gap: 13px; margin: 18px 0 10px; }
h3 { font-size: 18px; font-weight: 600; margin: 0; }
.featured-title h3 { font-size: 23px; letter-spacing: -.3px; }
.app-kind { font-size: 10px; color: #89929f; border-left: 1px solid #dce1e9; padding-left: 13px; }
.featured-app p { font-size: 12px; color: #7d8694; line-height: 1.8; margin: 0 0 19px; }
.capabilities { display: flex; gap: 9px; }
.capabilities span { font-size: 10px; background: #f5f7fa; border: 1px solid #e9edf3; padding: 5px 10px; border-radius: 5px; color: #7d8796; }
.featured-action { display: flex; align-items: center; gap: 15px; z-index: 1; font-size: 12px; font-weight: 600; color: #5874ac; }
.arrow-circle { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: white; border: 1px solid #dae3f5; color: #416ac2; font-size: 21px; transition: transform .2s; }
.featured-app:hover .arrow-circle { transform: translate(2px, -2px); }
.featured-watermark { position: absolute; right: 120px; bottom: -62px; font: 230px/1 Georgia, serif; color: #dce5ff55; transform: rotate(-12deg); pointer-events: none; }
.app-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.app-card { display: block; position: relative; background: #fff9; border: 1px solid #e4e7ed; border-radius: 14px; padding: 25px 28px 21px; }
.card-icon { color: #8a95a6; font-size: 23px; height: 33px; display: inline-flex; align-items: center; }
.planned-badge { position: absolute; top: 27px; right: 27px; border: 1px solid #e6eaf0; border-radius: 5px; color: #929aa7; padding: 3px 7px; font-size: 9px; }
.app-card h3 { font-size: 16px; margin-top: 16px; }
.app-card p { font-size: 12px; line-height: 1.8; color: #939ba6; margin: 10px 0 23px; }
.card-footer { display: flex; justify-content: space-between; align-items: center; font-size: 10px; color: #a0a7b2; padding-top: 15px; border-top: 1px solid #eef0f4; }
.card-footer > span { font-size: 17px; }
.app-card.available:hover { border-color: #b9c9f2; background: white; }
.app-card.available .planned-badge { color: #52775c; background: #f1f8f3; }
.next-section { display: flex; align-items: center; gap: 24px; margin: 55px 0 54px; padding: 26px 30px; background: #eaf0fa99; border: 1px dashed #d4deef; border-radius: 14px; }
.next-icon { width: 53px; height: 53px; border: 1px solid #cfdaf0; border-radius: 13px; color: #8da2cd; display: grid; place-items: center; font-size: 32px; font-weight: 300; flex-shrink: 0; }
.next-section h2 { font-size: 19px; margin-top: 8px; }
.next-section p { font-size: 11px; color: #8792a4; line-height: 1.9; margin: 10px 0 0; }
.next-link { color: #6e86b1; font-size: 11px; white-space: nowrap; margin-left: auto; }
.next-link span { padding-left: 12px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; padding: 23px 0 33px; border-top: 1px solid var(--line); color: #969eaa; font-size: 10px; }
.footer-separator { margin: 0 13px; color: #c2c9d4; }
@media (max-width: 900px) { .page-shell { padding: 0 30px; } .hero { gap: 0; } .hero-art { transform: scale(.83); transform-origin: center; } .featured-watermark { right: 55px; } .next-link { display: none; } }
@media (max-width: 640px) { .page-shell { padding: 0 22px; } .site-header { height: 86px; } nav { gap: 17px; } .nav-link { display: none; } .nav-entry { padding: 9px 12px; } .brand { font-size: 15px; } .brand-mark { width: 35px; height: 35px; font-size: 29px; line-height: 30px; border-radius: 10px; } .brand-caption { font-size: 8px; } .hero { grid-template-columns: 1fr; padding: 43px 0 30px; } h1 { font-size: 44px; margin-top: 22px; } .hero-description { font-size: 12px; } .hero-actions { gap: 20px; } .button-primary { font-size: 12px; gap: 17px; padding: 14px 17px; } .button-text { font-size: 11px; } .hero-art { height: 290px; transform: scale(.83); margin: 6px 0 -27px; } .orb { top: 36px; } .orbit { top: 46%; } .label-assistant { top: 17px; right: -8px; } .label-notes { bottom: 38px; left: -8px; } .dot-top { top: 28px; left: 20px; } .art-coordinate { right: 0; bottom: 0; } .section-heading { margin-bottom: 19px; } h2 { font-size: 20px; } .section-note { display: none; } .featured-app { padding: 24px; align-items: flex-start; } .featured-title { flex-direction: column; align-items: flex-start; gap: 7px; margin-top: 16px; } .featured-title h3 { font-size: 22px; } .app-kind { border: none; padding: 0; } .featured-app p { max-width: 230px; font-size: 11px; } .featured-action { position: absolute; right: 23px; top: 24px; } .featured-action > span:first-child { display: none; } .arrow-circle { width: 36px; height: 36px; font-size: 18px; } .featured-watermark { right: 0; font-size: 180px; bottom: -35px; } .capabilities { gap: 6px; flex-wrap: wrap; } .capabilities span { font-size: 9px; padding: 5px 7px; } .app-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 12px; } .app-card { padding: 21px 24px 18px; } .next-section { padding: 22px; gap: 16px; margin: 31px 0; align-items: flex-start; } .next-icon { width: 38px; height: 38px; border-radius: 10px; font-size: 24px; margin-top: 6px; } .next-section h2 { font-size: 17px; } .next-section p { font-size: 11px; } .site-footer { padding-bottom: 25px; } .footer-note { display: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }