:root {
  --background: #f7f9fc;
  --surface: #ffffff;
  --surface-soft: #f1f5fb;
  --text: #172033;
  --muted: #667085;
  --line: #e4e9f1;
  --primary: #4c6fff;
  --primary-dark: #3c5ce3;
  --shadow: 0 16px 50px rgba(34, 54, 92, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif; letter-spacing: 1px; background: var(--background); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.page-width { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 100; top: -60px; left: 20px; padding: 10px 16px; color: #fff; background: var(--text); border-radius: 0 0 8px 8px; }
.skip-link:focus { top: 0; }

/* #region Header */
.site-header { position: fixed; z-index: 50; inset: 0 0 auto; background: rgba(247, 249, 252, .82); border-bottom: 1px solid transparent; backdrop-filter: blur(18px); transition: border-color .2s ease, background .2s ease; }
.site-header.scrolled { background: rgba(255, 255, 255, .9); border-bottom-color: var(--line); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo-wrap { width: 42px; height: 42px; display: block; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.brand-logo { width: 100%; height: 100%; display: block; object-fit: contain; transform: scale(1.5); }
.brand-name { display: flex; flex-direction: column; gap: 1px; }
.brand-name strong { font-size: 18px; letter-spacing: 2px; }
.brand-name small { color: #8a94a6; font-size: 9px; letter-spacing: 1px; }
.site-nav { display: flex; align-items: center; gap: 28px; color: #475467; font-size: 14px; }
.site-nav > a:not(.button):hover { color: var(--primary); }
.menu-button { display: none; width: 42px; height: 42px; padding: 10px; background: transparent; border: 0; }
.menu-button span { width: 22px; height: 2px; display: block; margin: 6px auto; background: var(--text); border-radius: 2px; transition: transform .2s ease; }
/* #endregion */

.button { min-height: 48px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-size: 14px; font-weight: 700; border: 1px solid transparent; border-radius: 12px; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-1px); }
.button-small { min-height: 40px; padding: 0 18px; border-radius: 10px; }
.button-primary { color: #fff; background: var(--primary); box-shadow: 0 9px 24px rgba(76, 111, 255, .2); }
.button-primary:hover { background: var(--primary-dark); }
.button-secondary { color: #344054; background: #fff; border-color: #d9e0ea; }
.button-secondary:hover { background: #f8fafc; box-shadow: 0 8px 24px rgba(34, 54, 92, .06); }

/* #region Hero */
.hero { min-height: 680px; position: relative; padding: 190px 0 120px; display: flex; align-items: center; overflow: hidden; background: linear-gradient(180deg, #f7f9fc 0%, #f3f7ff 72%, #f7f9fc 100%); }
.hero-glow { width: 660px; height: 420px; position: absolute; top: 50px; left: 50%; background: radial-gradient(ellipse, rgba(100, 137, 255, .13), rgba(247, 249, 252, 0) 70%); transform: translateX(-50%); pointer-events: none; }
.hero-inner { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero-label { margin: 0 0 24px; padding: 7px 13px; color: #41589e; font-size: 12px; font-weight: 700; background: #e9efff; border: 1px solid #d8e2ff; border-radius: 999px; }
.hero h1 { margin: 0; font-size: clamp(48px, 6vw, 72px); font-weight: 650; line-height: 1.15; letter-spacing: 2px; }
.hero-summary { margin: 27px 0 0; color: #344054; font-size: 21px; line-height: 1.6; }
.hero-description { max-width: 650px; margin: 13px 0 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.hero-actions { margin-top: 36px; display: flex; gap: 12px; }
/* #endregion */

/* #region Features */
.features { padding: 110px 0 124px; background: #fff; }
.section-heading { margin-bottom: 42px; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(32px, 4vw, 44px); font-weight: 650; letter-spacing: 2px; }
.section-heading p { margin: 15px 0 0; color: var(--muted); font-size: 15px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feature-card { min-height: 128px; padding: 24px 25px; display: grid; grid-template-columns: 52px 1fr auto; gap: 18px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 18px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.feature-card:hover { transform: translateY(-2px); border-color: #cfd9ed; box-shadow: var(--shadow); }
.feature-wide { grid-column: 1 / -1; }
.feature-icon { width: 52px; height: 52px; display: grid; place-items: center; color: #3f5db8; font-family: "Songti SC", SimSun, serif; font-size: 18px; font-weight: 700; background: #edf2ff; border-radius: 15px; }
.feature-icon svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.module-icon-image { width: 100%; height: 100%; display: block; object-fit: contain; border-radius: inherit; }
.icon-assets { background: transparent; }.icon-life { color: #8c536f; background: #faedf4; }.icon-saying { color: #446d61; background: #eaf5f1; }
.icon-health { color: #ae4f52; background: #fff0f0; }.icon-mind, .icon-color { background: transparent; }
.feature-content { min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.feature-content strong { font-size: 17px; font-weight: 650; }
.feature-content small { color: var(--muted); font-size: 13px; line-height: 1.65; }
.feature-arrow { color: #98a2b3; font-size: 18px; transition: color .2s ease, transform .2s ease; }
.feature-card:hover .feature-arrow { color: var(--primary); transform: translateX(3px); }
/* #endregion */

/* #region Platforms */
.platforms { padding: 110px 0; background: var(--background); }
.platform-panel { min-height: 480px; padding: 64px 70px; display: grid; grid-template-columns: 1.02fr .98fr; gap: 70px; align-items: center; overflow: hidden; background: #eef3fb; border: 1px solid #dfe6f0; border-radius: 28px; }
.platform-label { color: var(--primary); font-size: 12px; font-weight: 700; }
.platform-copy h2 { margin: 17px 0 0; font-size: clamp(34px, 4.3vw, 50px); font-weight: 650; line-height: 1.25; letter-spacing: 2px; }
.platform-copy > p { max-width: 480px; margin: 22px 0 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.platform-actions { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }
.device-scene { height: 330px; position: relative; }
.desktop-device { width: 355px; position: absolute; top: 32px; left: 0; padding: 9px 9px 24px; background: #202c3c; border-radius: 17px; box-shadow: 0 25px 50px rgba(32, 44, 60, .2); transform: rotate(-2deg); }
.desktop-bar { height: 25px; display: flex; align-items: center; gap: 5px; }.desktop-bar i { width: 5px; height: 5px; display: block; background: #788394; border-radius: 50%; }.desktop-screen { height: 225px; padding: 20px; background: #f8fafd; border-radius: 8px; }.desktop-screen > span { width: 37%; height: 13px; display: block; background: #526682; border-radius: 3px; }.desktop-screen div { margin-top: 27px; display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }.desktop-screen b { height: 66px; display: block; background: #e8edf5; border-radius: 8px; }.desktop-screen b:first-child { grid-row: span 2; height: 141px; background: #dfe8fb; }.desktop-screen b:last-child { background: #e8e0f0; }
.phone-device { width: 122px; height: 244px; position: absolute; right: 1px; bottom: 10px; padding: 22px 13px; background: #fff; border: 6px solid #202c3c; border-radius: 27px; box-shadow: 0 25px 45px rgba(32, 44, 60, .22); transform: rotate(5deg); }.phone-device > i { width: 34px; height: 5px; position: absolute; top: 7px; left: 50%; background: #202c3c; border-radius: 5px; transform: translateX(-50%); }.phone-device > span { height: 41px; margin-top: 8px; display: block; background: #edf2fa; border-radius: 8px; }.phone-device .phone-title { width: 60%; height: 8px; margin: 4px 0 19px; background: #526682; border-radius: 3px; }.phone-device > span:nth-last-child(2) { background: #f2e9f2; }
/* #endregion */

/* #region Footer */
.site-footer { padding: 64px 0 24px; color: #98a2b3; background: #172033; }
.footer-main { padding-bottom: 48px; display: flex; align-items: flex-start; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .brand-logo-wrap { border-color: rgba(255,255,255,.12); }.footer-brand .brand-name strong { color: #fff; }.footer-brand .brand-name small { color: #7f8a9c; }.footer-brand > p { margin: 18px 0 0; color: #7f8a9c; font-size: 12px; }
.footer-links { display: flex; gap: 90px; }.footer-links > div { display: flex; flex-direction: column; gap: 12px; }.footer-links b { margin-bottom: 5px; color: #fff; font-size: 12px; }.footer-links a { font-size: 11px; transition: color .2s ease; }.footer-links a:hover { color: #fff; }
.footer-bottom { min-height: 66px; display: flex; align-items: flex-end; justify-content: space-between; font-size: 10px; }.footer-bottom p { margin: 0; }.filing-link { color: #c7ceda; border-bottom: 1px solid rgba(255,255,255,.35); }.filing-link:hover { color: #fff; }
/* #endregion */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .platform-panel { padding: 52px 40px; gap: 35px; }.desktop-device { width: 305px; }.phone-device { right: -8px; }
}

@media (max-width: 760px) {
  .page-width { width: min(100% - 32px, 620px); }.header-inner { min-height: 66px; }.brand-logo-wrap { width: 38px; height: 38px; border-radius: 10px; }.brand-name strong { font-size: 17px; }
  .menu-button { display: block; }.menu-button.open span:first-child { transform: translateY(4px) rotate(45deg); }.menu-button.open span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: absolute; top: 66px; right: 16px; left: 16px; padding: 14px; display: none; flex-direction: column; align-items: stretch; gap: 0; background: rgba(255,255,255,.98); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 18px 45px rgba(34,54,92,.13); }.site-nav.open { display: flex; }.site-nav > a:not(.button) { padding: 13px 10px; }.site-nav .button { margin-top: 8px; }
  .hero { min-height: 620px; padding: 140px 0 90px; }.hero h1 { font-size: clamp(42px, 12vw, 58px); }.hero-summary { font-size: 18px; }.hero-description { font-size: 14px; }.hero-actions { width: 100%; margin-top: 31px; }.hero-actions .button { flex: 1; padding: 0 15px; }
  .features { padding: 82px 0 88px; }.section-heading { margin-bottom: 32px; }.feature-grid { grid-template-columns: 1fr; }.feature-wide { grid-column: auto; }.feature-card { min-height: 118px; padding: 20px 18px; grid-template-columns: 48px 1fr auto; gap: 14px; }.feature-icon { width: 48px; height: 48px; border-radius: 14px; }.feature-content strong { font-size: 16px; }.feature-content small { font-size: 12px; }
  .platforms { padding: 82px 0; }.platform-panel { min-height: 740px; padding: 44px 24px; grid-template-columns: 1fr; gap: 20px; }.platform-actions { align-items: stretch; }.platform-actions .button { flex: 1; padding: 0 14px; }.device-scene { height: 310px; }.desktop-device { width: 88%; top: 20px; }.phone-device { width: 108px; height: 220px; right: 0; }
  .footer-main { gap: 45px; flex-direction: column; }.footer-links { width: 100%; justify-content: space-between; gap: 40px; }.footer-bottom { min-height: 98px; padding-top: 27px; align-items: center; flex-direction: column; justify-content: center; gap: 12px; text-align: center; }
}

@media (max-width: 390px) {
  .hero-actions, .platform-actions { flex-direction: column; }.feature-card { grid-template-columns: 44px 1fr auto; }.feature-icon { width: 44px; height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }.reveal { opacity: 1; transform: none; }
}