:root {
  --ink: #14213d;
  --muted: #65738b;
  --blue: #2161ee;
  --blue-dark: #174bc4;
  --orange: #ff8949;
  --line: #e5eaf3;
  --soft: #f5f8ff;
  --navy: #101d38;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--soft); font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(218,226,241,.78); background: rgba(248,250,255,.86); backdrop-filter: blur(18px); }
.header-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { width: 38px; height: 38px; border-radius: 11px; object-fit: cover; box-shadow: 0 6px 16px rgba(33,97,238,.22); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.14; }
.brand-copy strong { font-size: 16px; font-weight: 800; }.brand-copy small { margin-top: 3px; color: #8290a7; font-size: 11px; font-weight: 600; }
.nav { display: flex; align-items: center; gap: 8px; color: #5b6a84; font-size: 13px; font-weight: 700; }.nav a { padding: 9px 13px; border-radius: 9px; transition: .2s ease; }.nav a:hover { color: var(--blue); background: #eaf0ff; }.nav .nav-cta { margin-left: 8px; padding: 10px 18px; color: #fff; background: var(--blue); box-shadow: 0 8px 18px rgba(33,97,238,.2); }.nav .nav-cta:hover { color: #fff; background: var(--blue-dark); transform: translateY(-1px); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }.menu-toggle span { display: block; width: 22px; height: 2px; margin: 5px; border-radius: 2px; background: var(--ink); }
.hero { position: relative; overflow: hidden; padding: 76px 0 84px; background: linear-gradient(180deg,#f8faff 0%,#f4f7fd 100%); }.hero:before { content: ""; position: absolute; top: -330px; right: -230px; width: 620px; height: 620px; border-radius: 50%; background: radial-gradient(circle,rgba(72,132,255,.13),rgba(72,132,255,0) 68%); }.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0,1fr) minmax(370px,.88fr); align-items: center; gap: 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border: 1px solid #dce6ff; border-radius: 99px; color: var(--blue); background: #edf3ff; font-size: 12px; font-weight: 800; }.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: #14b878; box-shadow: 0 0 0 4px rgba(20,184,120,.12); }
h1 { margin: 22px 0 15px; font-size: clamp(42px,5vw,66px); line-height: 1.1; letter-spacing: -.055em; font-weight: 800; }h1 em,.preview-copy em { color: var(--blue); font-style: normal; }.hero-lead { max-width: 560px; margin: 0; color: #52617a; font-size: 18px; line-height: 1.8; }.hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 28px; color: #79869b; font-size: 12px; }.hero-meta span { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.7); }.hero-meta b { margin-right: 4px; color: var(--ink); font-weight: 800; }
.download-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; max-width: 590px; }.download-card { min-height: 72px; display: flex; align-items: center; gap: 12px; padding: 13px 14px; border: 1px solid #dce4f1; border-radius: 14px; background: #fff; box-shadow: 0 8px 20px rgba(30,61,114,.06); transition: .2s ease; }.download-card:hover,.download-card.recommended { transform: translateY(-2px); border-color: #a8c0fa; box-shadow: 0 14px 30px rgba(30,61,114,.11); }.download-card.primary { color: #fff; border-color: transparent; background: linear-gradient(135deg,#2161ee,#3d84ff); box-shadow: 0 13px 26px rgba(33,97,238,.24); }.download-card.primary:hover { border-color: transparent; }.platform-icon { width: 38px; height: 38px; display: grid; place-items: center; flex: none; border-radius: 11px; font-family: sans-serif; font-size: 18px; font-weight: 800; }.platform-icon.android { color: #fff; background: rgba(255,255,255,.18); }.platform-icon.ios { color: var(--blue); background: #edf3ff; }.download-label { display: flex; min-width: 0; flex-direction: column; line-height: 1.22; }.download-label strong { overflow: hidden; font-size: 15px; font-weight: 800; white-space: nowrap; text-overflow: ellipsis; }.download-label small { margin-top: 4px; color: #8290a7; font-size: 11px; white-space: nowrap; }.primary .download-label small { color: rgba(255,255,255,.74); }.arrow { margin-left: auto; font-size: 18px; opacity: .7; }.hero-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 16px; color: #73819a; font-size: 12px; }.device-tip strong { color: #14a56f; }.copy-link { padding: 5px 9px; border: 0; border-radius: 7px; color: var(--blue); background: #eaf0ff; cursor: pointer; font-size: 12px; font-weight: 700; }.copy-link:active { transform: scale(.97); }
.download-tray { position: fixed; right: 18px; bottom: 18px; z-index: 1000; display: grid; grid-template-columns: minmax(0,1fr) 32px; width: min(390px,calc(100vw - 28px)); padding: 14px 14px 12px; overflow: hidden; color: #15223a; border: 1px solid #d8e1ee; border-radius: 8px; background: #fff; box-shadow: 0 18px 45px rgba(20,34,58,.2); opacity: 0; transform: translateY(14px); transition: opacity .2s ease,transform .2s ease; }.download-tray.show { opacity: 1; transform: translateY(0); }.download-tray-copy { min-width: 0; }.download-tray-copy strong,.download-tray-copy span { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }.download-tray-copy strong { font-size: 13px; }.download-tray-copy span { margin-top: 4px; color: #66758c; font-size: 12px; }.download-tray button { width: 32px; height: 32px; padding: 0; color: #65738a; border: 0; background: transparent; cursor: pointer; font-size: 23px; line-height: 32px; }.download-tray-track { grid-column: 1/-1; height: 4px; margin-top: 11px; overflow: hidden; border-radius: 2px; background: #e7edf5; }.download-tray-track i { display: block; width: 0; height: 100%; background: #2161ee; transition: width .12s linear; }
.hero-visual { position: relative; display: grid; place-items: center; min-height: 590px; }.glow { position: absolute; width: 460px; height: 460px; border-radius: 50%; background: radial-gradient(circle,rgba(86,142,255,.24),rgba(86,142,255,0) 68%); }.phone { position: relative; z-index: 1; width: 285px; height: 575px; padding: 11px; border-radius: 38px; background: #14213c; box-shadow: 0 32px 70px rgba(20,46,98,.25),0 8px 20px rgba(20,46,98,.14); transform: rotate(3deg); }.phone-notch { position: absolute; z-index: 3; top: 13px; left: 50%; width: 94px; height: 23px; border-radius: 0 0 15px 15px; background: #14213c; transform: translateX(-50%); }.phone-screen { width: 100%; height: 100%; overflow: hidden; border-radius: 28px; background: #e8eef8; }.phone-screen img { width: 100%; height: 100%; object-fit: cover; object-position: center; }.float-note { position: absolute; z-index: 2; display: flex; flex-direction: column; gap: 2px; padding: 12px 15px; border: 1px solid rgba(220,229,247,.9); border-radius: 13px; background: rgba(255,255,255,.9); box-shadow: 0 14px 30px rgba(31,64,120,.11); line-height: 1.25; }.float-note strong { font-size: 12px; }.float-note small { color: #7f8ca2; font-size: 10px; }.note-top { top: 104px; left: 2px; }.note-bottom { right: 0; bottom: 100px; }.note-dot { width: 8px; height: 8px; margin-bottom: 5px; border-radius: 50%; }.note-dot.blue { background: var(--blue); box-shadow: 0 0 0 4px #e3ecff; }.note-dot.orange { background: var(--orange); box-shadow: 0 0 0 4px #fff0e7; }
.section { padding: 106px 0; }.section-heading { max-width: 620px; margin: 0 auto 44px; text-align: center; }.section-kicker { display: block; margin-bottom: 13px; color: var(--blue); font-family: sans-serif; font-size: 11px; font-weight: 800; letter-spacing: .18em; }.section-kicker.light { color: #8db0ff; }.section-heading h2 { margin: 0; font-size: 38px; line-height: 1.2; letter-spacing: -.04em; }.section-heading p { margin: 13px 0 0; color: var(--muted); font-size: 15px; }
.feature-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }.feature-card { position: relative; min-height: 255px; padding: 23px 22px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.84); box-shadow: 0 7px 20px rgba(31,64,120,.035); transition: .25s ease; }.feature-card:hover { transform: translateY(-4px); box-shadow: 0 16px 30px rgba(31,64,120,.1); border-color: #c6d6f7; }.feature-number { position: absolute; top: 19px; right: 20px; color: #b8c4d6; font-family: sans-serif; font-size: 11px; font-weight: 700; }.feature-icon { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 26px; border-radius: 12px; font-family: sans-serif; font-size: 21px; font-weight: 700; }.icon-orders { color: #2161ee; background: #e8efff; }.icon-data { color: #169e73; background: #e4f8f0; }.icon-service { color: #ee7a3d; background: #fff0e6; }.icon-safe { color: #6f55ce; background: #f0ebff; }.feature-card h3 { margin: 0 0 10px; font-size: 18px; }.feature-card p { margin: 0; color: #718098; font-size: 13px; line-height: 1.75; }
.preview-section { overflow: hidden; color: #fff; background: var(--navy); }.preview-grid { display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 80px; }.preview-copy h2 { margin: 0; font-size: 47px; line-height: 1.14; letter-spacing: -.055em; }.preview-copy p { max-width: 390px; margin: 22px 0 26px; color: #aab8d2; font-size: 15px; line-height: 1.9; }.text-link { display: inline-flex; gap: 13px; align-items: center; color: #90b3ff; font-size: 14px; font-weight: 800; }.text-link span { font-size: 19px; transition: .2s; }.text-link:hover span { transform: translateX(4px); }.preview-frame { padding: 12px; border: 1px solid rgba(153,180,236,.2); border-radius: 19px; background: rgba(255,255,255,.06); box-shadow: 0 26px 60px rgba(0,0,0,.22); }.preview-bar { display: flex; align-items: center; gap: 6px; padding: 4px 7px 11px; color: #8a9bbb; font-size: 10px; }.preview-bar span { width: 7px; height: 7px; border-radius: 50%; background: #60718f; }.preview-bar span:first-child { background: #ff8667; }.preview-bar span:nth-child(2) { background: #efbd5b; }.preview-bar span:nth-child(3) { background: #62c38f; }.preview-bar b { margin-left: 7px; font-weight: 600; }.preview-frame img { width: 100%; max-height: 475px; object-fit: cover; object-position: top; border-radius: 11px; }.gallery-strip { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; scrollbar-width: thin; }.gallery-thumb { flex: 0 0 64px; width: 64px; height: 46px; padding: 2px; border: 1px solid rgba(153,180,236,.22); border-radius: 7px; background: rgba(255,255,255,.06); cursor: pointer; opacity: .64; transition: .2s; }.gallery-thumb:hover,.gallery-thumb.active { border-color: #90b3ff; opacity: 1; }.gallery-thumb img { display: block; width: 100%; height: 100%; max-height: none; object-fit: cover; border-radius: 4px; }
.version-section { background: #f7f9fd; }.version-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 16px; }.version-card,.update-card { padding: 28px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 6px 18px rgba(31,64,120,.035); }.version-top { display: flex; align-items: end; justify-content: space-between; padding-bottom: 21px; border-bottom: 1px solid #edf0f6; }.version-top span { color: #78869e; font-size: 13px; }.version-top strong { color: var(--blue); font-size: 26px; line-height: 1; font-weight: 800; }.version-rows div { display: flex; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid #edf0f6; font-size: 13px; }.version-rows div:last-child { border-bottom: 0; }.version-rows span { color: #7a889e; }.version-rows b { font-weight: 800; }.update-label { color: var(--orange); font-family: sans-serif; font-size: 11px; font-weight: 800; letter-spacing: .16em; }.update-card h3 { margin: 13px 0 14px; font-size: 21px; }.update-card ul { list-style: none; margin: 0; padding: 0; }.update-card li { position: relative; padding: 11px 0 11px 21px; border-top: 1px solid #edf0f6; color: #697891; font-size: 13px; }.update-card li:before { content: ""; position: absolute; top: 19px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: #15ad77; box-shadow: 0 0 0 4px #e4f8f0; }.trust-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 16px; }.trust-row span { display: flex; flex-direction: column; padding: 17px 19px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }.trust-row b { font-size: 14px; }.trust-row small { margin-top: 5px; color: #8390a5; font-size: 11px; }
.final-cta { padding: 86px 0; color: #fff; background: linear-gradient(120deg,#1c4fc8,#2161ee 62%,#367bfa); }.final-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }.final-inner h2 { margin: 0; font-size: 37px; letter-spacing: -.045em; }.final-inner p { margin: 10px 0 0; color: #c4d6ff; font-size: 14px; }.final-actions { display: flex; gap: 10px; flex: none; }.final-actions a { padding: 13px 16px; border: 1px solid rgba(255,255,255,.28); border-radius: 10px; color: #fff; background: rgba(255,255,255,.1); font-size: 13px; font-weight: 800; transition: .2s; }.final-actions a:hover { color: var(--blue); background: #fff; }.final-actions span { margin-left: 8px; }.footer { padding: 24px 0; color: #8996aa; background: #eef2f8; font-size: 11px; }.footer-inner { display: flex; justify-content: space-between; gap: 12px; }
.reveal { opacity: 1; transform: none; transition: opacity .65s ease,transform .65s cubic-bezier(.16,1,.3,1); }.js-ready .reveal { opacity: 0; transform: translateY(18px); }.reveal.is-visible { opacity: 1; transform: none; }.reveal-delay { transition-delay: .1s; }.reveal-delay-1 { transition-delay: .08s; }.reveal-delay-2 { transition-delay: .16s; }.reveal-delay-3 { transition-delay: .24s; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 48px; }.hero-copy { text-align: center; }.hero-lead { margin-right: auto; margin-left: auto; }.hero-meta,.hero-foot { justify-content: center; }.download-actions { margin: 0 auto; }.hero-visual { min-height: 560px; }.feature-grid { grid-template-columns: repeat(2,1fr); }.preview-grid { grid-template-columns: 1fr; gap: 44px; }.preview-copy { text-align: center; }.preview-copy p { margin-right: auto; margin-left: auto; }.version-grid { grid-template-columns: 1fr; }.final-inner { align-items: flex-start; flex-direction: column; }.final-actions { width: 100%; }.final-actions a { flex: 1; text-align: center; } }
@media (max-width: 640px) { .container { width: min(100% - 28px,1120px); }.header-inner { height: 64px; }.brand-mark { width: 34px; height: 34px; }.brand-copy strong { font-size: 14px; }.nav { position: absolute; top: 64px; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 2px; padding: 10px 14px 14px; border-bottom: 1px solid var(--line); background: rgba(248,250,255,.98); }.nav.open { display: flex; }.nav a { padding: 11px 13px; }.nav .nav-cta { margin: 2px 0 0; }.menu-toggle { display: block; }.hero { padding: 48px 0 58px; } h1 { font-size: 43px; }.hero-lead { font-size: 15px; line-height: 1.75; }.hero-meta { gap: 6px; margin: 19px 0 22px; }.hero-meta span { font-size: 10px; }.download-actions { grid-template-columns: 1fr; max-width: 370px; }.hero-visual { min-height: 475px; margin-top: 3px; }.phone { width: 230px; height: 466px; border-radius: 31px; padding: 9px; }.phone-screen { border-radius: 23px; }.phone-notch { top: 10px; width: 78px; height: 19px; }.glow { width: 360px; height: 360px; }.float-note { padding: 10px 12px; }.note-top { top: 70px; left: 0; }.note-bottom { right: 0; bottom: 55px; }.section { padding: 70px 0; }.section-heading { margin-bottom: 30px; }.section-heading h2 { font-size: 30px; }.section-heading p { font-size: 13px; }.feature-grid { grid-template-columns: 1fr; gap: 10px; }.feature-card { min-height: 0; padding: 20px; }.feature-icon { margin-bottom: 18px; }.preview-copy h2 { font-size: 37px; }.preview-frame { padding: 8px; }.version-card,.update-card { padding: 22px; }.trust-row { grid-template-columns: 1fr; gap: 9px; }.final-cta { padding: 62px 0; }.final-inner h2 { font-size: 30px; }.final-actions { flex-direction: column; }.footer-inner { align-items: center; flex-direction: column; text-align: center; } }