:root { color-scheme: light; --ink: #242331; --muted: #74707e; --purple: #7053dc; --line: #eceaf1; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font-family: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", sans-serif; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }button { font: inherit; cursor: pointer; }a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #b39bef; outline-offset: 5px; }[hidden] { display: none !important; }
.header, main, footer { width: min(1120px, calc(100% - 80px)); margin: auto; }
.header { height: 100px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 650; letter-spacing: -.7px; }.brand img { border-radius: 9px; }
nav { display: flex; align-items: center; gap: 32px; font-size: 13px; }nav a:hover { color: var(--purple); }.release-label { color: #9895a5; padding-left: 32px; border-left: 1px solid var(--line); }
.hero { display: grid; grid-template-columns: 1fr 1fr; align-items: center; min-height: 700px; gap: 40px; padding: 32px 0 70px; }.hero-copy { padding-left: 20px; }
h1 { margin: 0 0 17px; font-size: clamp(74px, 8vw, 105px); font-weight: 550; letter-spacing: -6px; line-height: 1.05; }
.hero-copy h2 { font-size: 28px; font-weight: 500; letter-spacing: -.5px; margin: 0 0 24px; }.product-copy { font-size: 15px; line-height: 1.95; color: var(--muted); margin: 0; }
.download-area { margin-top: 38px; max-width: 300px; }.edition-switch { display: flex; gap: 0; margin-bottom: 20px; width: fit-content; background: #f4f2f8; border-radius: 7px; padding: 4px; }
.edition-switch button { border: 0; background: transparent; color: #8c8799; border-radius: 5px; padding: 8px 17px; font-size: 12px; transition: color .15s, background .15s; }.edition-switch button[aria-pressed="true"] { color: #5d458f; background: #fff; box-shadow: 0 1px 4px #28203e0b; }
.download { display: flex; align-items: center; gap: 13px; padding: 18px 23px; min-height: 60px; background: var(--purple); color: #fff; border-radius: 9px; font-size: 14px; font-weight: 550; transition: background .15s; }.download:hover { background: #5e43c4; }
.download svg { width: 21px; height: 21px; stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }.download-arrow { margin-left: auto; opacity: .65; font-size: 20px; font-weight: 400; }
.package-meta { color: var(--muted); font-size: 12px; line-height: 1.6; margin: 15px 0 8px; }.edition-note { color: #797082; font-size: 12px; line-height: 1.7; min-height: 19px; margin: 0; }
.checksum { color: #797082; font-size: 11px; margin-top: 14px; }summary { cursor: pointer; }.checksum code { display: block; word-break: break-all; margin-top: 8px; line-height: 1.7; }#status { color: var(--muted); font-size: 12px; }
.product-stage { position: relative; min-height: 590px; display: flex; align-items: center; justify-content: center; padding: 15px 0; }.stage-disc { position: absolute; width: 460px; height: 460px; background: #f0ebfb; border-radius: 50%; top: 90px; }
.phone { position: relative; width: 294px; height: 578px; border: 7px solid #fbfafc; border-radius: 39px; box-shadow: 0 0 0 1px #e8e5ed, 0 25px 55px #30204b12, 0 5px 15px #30204b08; background: #fff; transform: rotate(4deg); }.phone-screen { border-radius: 32px; height: 100%; overflow: hidden; position: relative; background: #faf9fc; }
.phone-status { height: 40px; padding: 16px 23px 0; display: flex; justify-content: space-between; font-size: 10px; font-weight: 650; }.status-icons { display: flex; align-items: center; gap: 5px; font-size: 9px; }.status-icons i { display: block; width: 16px; height: 7px; border: 1px solid #403b4a; border-radius: 2px; background: #403b4a; }
.chat-header { height: 67px; padding: 0 17px; background: #fff; display: flex; align-items: center; gap: 11px; border-bottom: 1px solid #f0edf5; }.back-arrow { color: #7e7694; font-size: 30px; line-height: 1; }.group-icon { width: 33px; height: 33px; background: #e9e2f8; border-radius: 11px; color: #8a6bc2; text-align: center; line-height: 33px; font-size: 16px; }
.chat-header strong { display: block; font-size: 12px; font-weight: 600; }.chat-header small { display: block; font-size: 8px; color: #b0a8bc; margin-top: 4px; }.chat-menu { margin-left: auto; color: #7e7694; font-size: 19px; }
.conversation { padding: 13px 13px 0; }.chat-date { font-size: 8px; color: #b4aebe; text-align: center; margin: 2px 0 22px; }.message { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 17px; }.message small { display: block; font-size: 8px; color: #a69aad; margin: 0 0 5px 2px; }
.avatar { width: 27px; height: 27px; flex-shrink: 0; text-align: center; line-height: 27px; font-size: 11px; border-radius: 9px; color: #fff; }.avatar.coral { background: #dca799; }.avatar.sand { background: #b5b596; }
.bubble { margin: 0; font-size: 10px; line-height: 1.65; padding: 9px 12px; border-radius: 3px 12px 12px; background: #fff; border: 1px solid #f0edf4; }.outgoing { justify-content: flex-end; }.outgoing .bubble { background: #e8dff7; border-color: #e8dff7; border-radius: 12px 3px 12px 12px; }.receipt { display: inline-block; font-size: 8px; color: #9d80c4; margin-left: 8px; }
.photo-message { border: 1px solid #eee8f3; border-radius: 3px 12px 12px; overflow: hidden; width: 160px; background: #fff; }.photo-message p { margin: 0; padding: 9px 10px; font-size: 9px; }.landscape { height: 99px; background: #e8edf0; position: relative; overflow: hidden; }.sun { position: absolute; width: 22px; height: 22px; background: #f6e6bb; border-radius: 50%; top: 18px; right: 25px; }.hill { position: absolute; width: 160px; height: 100px; border-radius: 50% 50% 0 0; bottom: -51px; transform: rotate(-17deg); }.hill-back { background: #cad6c6; left: -13px; bottom: -43px; }.hill-front { background: #a7bfa9; right: -43px; transform: rotate(23deg); }
.voice-bubble { display: flex; align-items: center; gap: 9px; padding: 11px; background: #fff; border: 1px solid #f0edf4; border-radius: 3px 12px 12px; color: #92849e; font-size: 9px; margin-top: 4px; }.waveform { display: flex; gap: 2px; align-items: center; height: 13px; }.waveform i { width: 2px; height: 5px; background: #b6a7c9; border-radius: 2px; }.waveform i:nth-child(3n) { height: 13px; }.waveform i:nth-child(2n) { height: 9px; }
.composer { position: absolute; bottom: 24px; left: 0; right: 0; height: 47px; padding: 8px 12px; background: #fff; display: flex; align-items: center; gap: 8px; color: #9d92ab; font-size: 21px; }.composer > div { flex: 1; display: flex; justify-content: space-between; align-items: center; height: 29px; padding: 0 10px; border-radius: 17px; background: #f4f1f8; font-size: 9px; color: #b2a8bf; }.composer > div span { font-size: 16px; color: #b2a8bf; }.send-icon { width: 25px; height: 25px; border-radius: 50%; background: #8b6bc6; color: #fff; text-align: center; line-height: 23px; font-size: 17px; }
.home-indicator { position: absolute; bottom: 8px; width: 91px; height: 3px; border-radius: 2px; background: #342b3f; left: calc(50% - 45px); }.preview-caption { position: absolute; bottom: -25px; color: #bbb4c5; font-size: 10px; }
.help { border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding: 55px 20px 70px; }.help h2 { font-size: 21px; font-weight: 500; margin: 0 0 16px; }.help p { font-size: 13px; color: var(--muted); line-height: 1.9; margin: 0; }.help-details details { border-bottom: 1px solid var(--line); padding: 17px 0; }.help-details details:first-child { padding-top: 0; }.help-details summary { display: flex; align-items: center; justify-content: space-between; font-size: 13px; list-style: none; }.help-details summary::-webkit-details-marker { display: none; }.help-details summary span { color: #aaa2b8; font-size: 17px; }.help-details details[open] p { padding-top: 14px; }.help-details details[open] summary span { transform: rotate(45deg); }
footer { border-top: 1px solid var(--line); min-height: 96px; display: flex; align-items: center; gap: 28px; color: #b0a9ba; font-size: 11px; }.footer-brand { font-size: 20px; font-weight: 600; letter-spacing: -.8px; color: #79717f; }footer p { margin: 0; }footer a { margin-left: auto; }
@media (max-width: 900px) { .header, main, footer { width: calc(100% - 48px); } .hero { gap: 15px; } .hero-copy { padding-left: 0; } .stage-disc { width: 350px; height: 350px; top: 120px; } .phone { width: 278px; } .help { padding-left: 0; padding-right: 0; gap: 40px; } }
@media (max-width: 650px) { .header, main, footer { width: calc(100% - 40px); } .header { height: 80px; }nav { gap: 0; } .release-label { display: none; } .hero { display: flex; flex-direction: column; align-items: stretch; gap: 25px; padding: 28px 0 55px; } .hero-copy { text-align: center; } h1 { font-size: 77px; letter-spacing: -4px; margin-bottom: 15px; } .hero-copy h2 { font-size: 24px; margin-bottom: 19px; } .product-copy { font-size: 13px; } .download-area { width: min(300px, 100%); margin: 28px auto 0; } .edition-switch { margin-left: auto; margin-right: auto; } .download { text-align: left; } .package-meta { font-size: 10px; } .product-stage { min-height: 615px; padding-top: 22px; } .stage-disc { width: min(340px, 100%); height: 340px; top: 145px; } .phone { transform: rotate(3deg); width: 280px; } .preview-caption { bottom: -13px; } .help { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; } .help h2 { font-size: 20px; }footer { flex-wrap: wrap; gap: 12px 20px; padding: 25px 0; }footer a { margin-left: auto; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }