:root {
  --ink: #0b1220;
  --muted: #667085;
  --line: rgba(15, 36, 70, .1);
  --blue: #2c71f4;
  --blue-dark: #1854d1;
  --sky: #eaf4ff;
  --surface: rgba(255, 255, 255, .82);
  --radius-lg: 36px;
  --radius-md: 24px;
  --shadow: 0 28px 80px rgba(28, 77, 149, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  color: var(--ink);
  background: #f7faff;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 200; padding: 12px 18px; color: #fff; background: #111; border-radius: 10px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(247, 250, 255, .72);
  backdrop-filter: blur(18px);
  transition: border-color .25s, box-shadow .25s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 8px 30px rgba(19, 48, 91, .06); }
.nav-shell { width: min(1180px, calc(100% - 48px)); height: 76px; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 19px; font-weight: 750; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; color: white; background: linear-gradient(145deg, #4e8cff, #1a5ce5); border-radius: 12px; box-shadow: 0 9px 24px rgba(41, 108, 237, .27); }
.brand-mark svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.main-nav { display: flex; align-items: center; gap: 34px; color: #4e596b; font-size: 15px; }
.main-nav a { transition: color .2s; }
.main-nav a:hover { color: var(--blue); }
.main-nav .nav-cta { padding: 11px 19px; color: white; background: var(--ink); border-radius: 999px; }
.main-nav .nav-cta:hover { color: white; background: var(--blue); }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 0; background: transparent; }
.nav-toggle span { display: block; width: 21px; height: 2px; margin: 5px auto; background: var(--ink); border-radius: 2px; transition: .25s; }

.hero { position: relative; width: min(1180px, calc(100% - 48px)); min-height: 770px; margin: 0 auto; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 50px; padding: 70px 0 82px; }
.ambient { position: absolute; z-index: -2; border-radius: 999px; filter: blur(6px); pointer-events: none; }
.ambient-one { top: 95px; right: -240px; width: 650px; height: 650px; background: radial-gradient(circle, rgba(61, 143, 255, .22), rgba(128, 198, 255, .07) 50%, transparent 72%); }
.ambient-two { bottom: 60px; left: -370px; width: 620px; height: 420px; background: radial-gradient(circle, rgba(137, 105, 255, .13), transparent 68%); }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: 13px; font-weight: 760; letter-spacing: .16em; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.hero h1 { max-width: 650px; margin: 22px 0 26px; font-size: clamp(54px, 5.5vw, 82px); line-height: 1.08; letter-spacing: -.055em; }
.hero h1 span { color: transparent; background: linear-gradient(105deg, #1964e9 5%, #6c8df5 50%, #925be8); background-clip: text; -webkit-background-clip: text; }
.hero-copy > p { max-width: 580px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; gap: 14px; margin: 36px 0 32px; }
.button { display: inline-flex; min-height: 50px; padding: 0 24px; align-items: center; justify-content: center; border: 0; border-radius: 999px; font-size: 15px; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(135deg, #347bf7, #195ade); box-shadow: 0 13px 28px rgba(41, 104, 226, .25); }
.button-primary:hover { box-shadow: 0 18px 34px rgba(41, 104, 226, .34); }
.button-secondary { color: #27364e; border: 1px solid rgba(43, 74, 120, .13); background: rgba(255, 255, 255, .8); }
.trust-row { display: flex; flex-wrap: wrap; gap: 22px; color: #66758a; font-size: 14px; }
.trust-row i { display: inline-grid; place-items: center; width: 19px; height: 19px; margin-right: 6px; color: var(--blue); background: #e4efff; border-radius: 50%; font-size: 11px; font-style: normal; }

.hero-visual { position: relative; min-height: 630px; display: grid; place-items: center; }
.phone-glow { position: absolute; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(72, 144, 255, .22), rgba(157, 115, 255, .1) 48%, transparent 70%); filter: blur(12px); }
.hero-phone { position: relative; z-index: 2; width: 320px; height: 625px; overflow: hidden; border: 11px solid rgba(255, 255, 255, .82); border-radius: 53px; background: white; box-shadow: 0 38px 85px rgba(31, 90, 178, .24), inset 0 0 0 1px rgba(76, 126, 196, .14); transform: rotate(3deg); }
.hero-phone::before { content: ""; position: absolute; z-index: 3; top: 9px; left: 50%; width: 92px; height: 24px; background: #0c1018; border-radius: 20px; transform: translateX(-50%); }
.hero-phone img { width: 100%; height: 100%; object-fit: cover; }
.floating-pill { position: absolute; z-index: 4; display: flex; align-items: center; gap: 9px; padding: 13px 18px; color: #27354a; background: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.85); border-radius: 999px; box-shadow: 0 15px 42px rgba(31, 76, 145, .15); backdrop-filter: blur(14px); font-size: 14px; font-weight: 700; }
.floating-pill span { color: var(--blue); }
.pill-top { top: 140px; left: 3px; animation: float 4s ease-in-out infinite; }
.pill-bottom { right: -12px; bottom: 136px; animation: float 4.6s ease-in-out .5s infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.value-strip { width: min(1180px, calc(100% - 48px)); margin: 0 auto 120px; display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.7); box-shadow: 0 18px 55px rgba(27, 67, 128, .06); }
.value-strip div { padding: 26px 30px; border-right: 1px solid var(--line); }
.value-strip div:last-child { border: 0; }
.value-strip strong, .value-strip span { display: block; }
.value-strip strong { margin-bottom: 7px; font-size: 20px; }
.value-strip span { color: var(--muted); font-size: 13px; }

.section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 10px 0 120px; }
.section-heading { max-width: 690px; margin-bottom: 58px; }
.section-heading h2, .privacy-banner h2 { margin: 17px 0 18px; font-size: clamp(36px, 4.2vw, 56px); line-height: 1.18; letter-spacing: -.045em; }
.section-heading p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.feature { position: relative; min-height: 670px; margin-bottom: 34px; padding: 68px 90px; display: grid; grid-template-columns: 1fr 390px; align-items: center; gap: 80px; overflow: hidden; border: 1px solid rgba(55, 113, 198, .1); border-radius: var(--radius-lg); background: linear-gradient(135deg, #f9fcff, #eaf4ff); box-shadow: var(--shadow); }
.feature::after { content: ""; position: absolute; right: -160px; bottom: -180px; width: 520px; height: 520px; background: radial-gradient(circle, rgba(72, 140, 255, .22), transparent 68%); border-radius: 50%; }
.feature.reverse { grid-template-columns: 390px 1fr; background: linear-gradient(135deg, #faf9ff, #edf1ff); }
.feature.reverse .feature-copy { order: 2; }
.feature.reverse::after { right: auto; left: -160px; background: radial-gradient(circle, rgba(156, 105, 245, .18), transparent 68%); }
.feature-copy { position: relative; z-index: 2; }
.feature-number { display: block; margin-bottom: 28px; color: rgba(20, 54, 102, .22); font-size: 13px; font-weight: 800; letter-spacing: .16em; }
.feature-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 25px; color: #fff; border-radius: 15px; font-size: 23px; font-weight: 800; box-shadow: 0 12px 26px rgba(46, 108, 229, .23); }
.feature-icon.blue { background: linear-gradient(145deg, #55a1ff, #2564e7); }
.feature-icon.violet { background: linear-gradient(145deg, #b37af8, #7457e8); }
.feature-icon.pink { background: linear-gradient(145deg, #ff85cc, #d951d7); }
.feature-icon.cyan { background: linear-gradient(145deg, #53c8e8, #467eea); }
.feature h3, .feature-card h3 { margin: 0 0 18px; font-size: 38px; letter-spacing: -.04em; }
.feature p, .feature-card p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.85; }
.feature ul { margin: 27px 0 0; padding: 0; list-style: none; color: #344258; }
.feature li { margin: 13px 0; }
.feature li::before { content: "✓"; display: inline-grid; place-items: center; width: 21px; height: 21px; margin-right: 10px; color: var(--blue); background: white; border-radius: 50%; font-size: 12px; box-shadow: 0 4px 12px rgba(39, 92, 170, .1); }
.text-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 25px; color: var(--blue); font-weight: 700; }
.text-link span { transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.feature-media { position: relative; z-index: 2; width: 320px; height: 570px; justify-self: center; overflow: hidden; border: 9px solid rgba(255,255,255,.9); border-radius: 42px; background: white; box-shadow: 0 28px 65px rgba(42, 88, 160, .2); }
.feature-media img { width: 100%; height: 100%; object-fit: cover; }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.feature-card { min-height: 780px; padding: 54px 54px 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg, #fff9ff, #f2efff); box-shadow: var(--shadow); }
.feature-card:nth-child(2) { background: linear-gradient(145deg, #f7fdff, #ebf4ff); }
.feature-card .card-copy { max-width: 440px; }
.feature-card .card-media { width: 300px; height: 550px; margin: 42px auto -210px; overflow: hidden; border: 8px solid rgba(255,255,255,.9); border-radius: 40px; box-shadow: 0 25px 55px rgba(48, 86, 146, .2); }
.feature-card .card-media img { width: 100%; height: 100%; object-fit: cover; }

.privacy-banner { position: relative; width: min(1180px, calc(100% - 48px)); min-height: 330px; margin: 20px auto 130px; padding: 65px 70px 65px 230px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 50px; overflow: hidden; color: #fff; background: linear-gradient(120deg, #112c68, #1f63d7 56%, #5684ed); border-radius: var(--radius-lg); box-shadow: 0 32px 80px rgba(31, 83, 173, .27); }
.privacy-banner::after { content: ""; position: absolute; right: 120px; top: -230px; width: 480px; height: 480px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.03), 0 0 0 140px rgba(255,255,255,.03); }
.privacy-banner > * { position: relative; z-index: 2; }
.privacy-orb { position: absolute; left: 65px; width: 120px; height: 140px; display: grid; place-items: center; background: linear-gradient(145deg, rgba(255,255,255,.42), rgba(255,255,255,.1)); border: 1px solid rgba(255,255,255,.42); border-radius: 58% 58% 48% 48%; transform: rotate(-5deg); box-shadow: inset 0 0 28px rgba(255,255,255,.24), 0 28px 50px rgba(0,0,0,.12); backdrop-filter: blur(12px); }
.privacy-orb span { display: grid; place-items: center; width: 52px; height: 52px; color: #1d63d6; background: #fff; border-radius: 50%; font-size: 25px; font-weight: 900; }
.eyebrow.light { color: #bad7ff; }
.privacy-banner h2 { margin: 12px 0 14px; font-size: clamp(34px, 4vw, 50px); }
.privacy-banner p { max-width: 660px; margin: 0; color: rgba(255,255,255,.77); line-height: 1.8; }
.button-light { color: #1556c7; background: white; box-shadow: 0 14px 30px rgba(7, 31, 79, .18); white-space: nowrap; }

.support { padding-bottom: 130px; }
.support-card { padding: 38px 42px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: 0 20px 60px rgba(30, 67, 124, .08); }
.support-icon { display: grid; place-items: center; width: 72px; height: 72px; color: var(--blue); background: #edf5ff; border-radius: 22px; }
.support-icon svg { width: 37px; height: 37px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.support-copy > span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 13px; }
.support-copy > a { display: inline-block; font-size: 23px; font-weight: 760; letter-spacing: -.02em; }
.support-copy > a:hover { color: var(--blue); }
.support-copy p { margin: 8px 0 0; color: #8490a3; font-size: 13px; line-height: 1.6; }
.support-actions { display: flex; gap: 10px; }
.copy-button { min-height: 50px; padding: 0 20px; color: #344258; border: 1px solid var(--line); border-radius: 999px; background: #f8faff; font-weight: 700; cursor: pointer; }
.copy-button:hover { background: #eef4ff; }

.site-footer { padding: 58px max(24px, calc((100% - 1180px) / 2)); color: #929db0; background: #0b1220; }
.footer-main { display: flex; align-items: center; justify-content: space-between; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { color: white; }
.footer-links { display: flex; gap: 30px; font-size: 14px; }
.footer-links a:hover, .legal-footer a:hover { color: white; }
.footer-bottom { padding-top: 26px; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; }
.toast { position: fixed; z-index: 200; left: 50%; bottom: 30px; padding: 12px 19px; color: white; background: rgba(10,18,32,.92); border-radius: 999px; opacity: 0; transform: translate(-50%, 20px); transition: .25s; pointer-events: none; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

.legal-page { min-height: 100vh; background: linear-gradient(180deg, #eef6ff, #f8faff 420px); }
.legal-shell { width: min(880px, calc(100% - 48px)); margin: 0 auto; padding: 90px 0 120px; }
.legal-hero { margin-bottom: 48px; text-align: center; }
.legal-hero h1 { margin: 18px 0 12px; font-size: clamp(46px, 6vw, 68px); letter-spacing: -.05em; }
.legal-hero p { color: var(--muted); }
.legal-content { padding: 58px 66px; border: 1px solid var(--line); border-radius: 30px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); }
.legal-lead { margin-top: 0; padding: 20px 24px; color: #3d4a5e; background: #f1f6ff; border-left: 4px solid var(--blue); border-radius: 8px 16px 16px 8px; }
.legal-content section { margin-top: 42px; }
.legal-content h2 { margin: 0 0 14px; font-size: 21px; }
.legal-content p { color: #5d697c; line-height: 1.95; }
.legal-contact { padding: 26px 30px; background: #f6f9ff; border-radius: 18px; }
.legal-contact a { display: inline-block; margin-top: 4px; color: var(--blue); font-size: 20px; font-weight: 750; }
.legal-footer { padding-top: 30px; padding-bottom: 30px; }
.legal-footer .footer-bottom { padding: 0; }

@media (max-width: 900px) {
  .hero { min-height: 0; grid-template-columns: 1fr; padding-top: 80px; text-align: center; }
  .hero-copy > p { margin-inline: auto; }
  .hero-actions, .trust-row { justify-content: center; }
  .hero-visual { margin-top: 18px; }
  .value-strip { grid-template-columns: 1fr 1fr; }
  .value-strip div:nth-child(2) { border-right: 0; }
  .value-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feature, .feature.reverse { min-height: 0; padding: 60px; grid-template-columns: 1fr 320px; gap: 40px; }
  .feature.reverse .feature-copy { order: initial; }
  .feature-media { width: 280px; height: 510px; }
  .feature-card { padding-inline: 36px; }
  .privacy-banner { padding-left: 180px; grid-template-columns: 1fr; gap: 25px; }
  .privacy-orb { left: 35px; width: 110px; }
  .button-light { justify-self: start; }
  .support-card { grid-template-columns: auto 1fr; }
  .support-actions { grid-column: 2; }
}

@media (max-width: 700px) {
  .nav-shell { width: min(100% - 32px, 1180px); height: 68px; }
  .nav-toggle { display: block; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: absolute; top: 68px; left: 16px; right: 16px; padding: 18px; display: none; align-items: stretch; flex-direction: column; gap: 4px; background: rgba(255,255,255,.97); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 20px 45px rgba(20,50,100,.15); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; }
  .main-nav .nav-cta { text-align: center; }
  .legal-nav { position: static; display: flex; padding: 0; flex-direction: row; align-items: center; box-shadow: none; border: 0; background: transparent; }
  .legal-nav a:first-child { display: none; }
  .legal-nav .nav-cta { padding: 9px 16px; }
  .hero, .section, .value-strip, .privacy-banner { width: min(100% - 32px, 1180px); }
  .hero { padding-top: 62px; gap: 20px; }
  .hero h1 { margin-top: 17px; font-size: clamp(39px, 11.5vw, 52px); }
  .hero-copy > p { font-size: 16px; line-height: 1.75; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .trust-row { gap: 12px; font-size: 12px; }
  .hero-visual { min-height: 570px; }
  .hero-phone { width: 270px; height: 525px; border-width: 9px; border-radius: 46px; }
  .floating-pill { font-size: 12px; }
  .pill-top { top: 105px; left: -4px; }
  .pill-bottom { right: -3px; bottom: 100px; }
  .value-strip { margin-bottom: 90px; }
  .value-strip div { padding: 22px 20px; }
  .section { padding-bottom: 90px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2 { font-size: 38px; }
  .section-heading p { font-size: 15px; }
  .feature, .feature.reverse { padding: 40px 26px 0; display: flex; flex-direction: column; gap: 34px; }
  .feature.reverse .feature-copy { order: 0; }
  .feature h3, .feature-card h3 { font-size: 34px; }
  .feature-media { width: 260px; height: 470px; margin-bottom: -100px; flex: 0 0 auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 720px; padding: 40px 26px 0; }
  .feature-card .card-media { width: 260px; height: 480px; margin-top: 34px; }
  .privacy-banner { margin-bottom: 95px; padding: 42px 28px; text-align: center; }
  .privacy-orb { position: relative; left: auto; width: 88px; height: 102px; margin: 0 auto -5px; }
  .privacy-banner h2 { font-size: 37px; }
  .button-light { justify-self: stretch; }
  .support-card { padding: 30px 24px; grid-template-columns: 1fr; text-align: center; }
  .support-icon { margin: auto; }
  .support-copy > a { font-size: 20px; }
  .support-actions { grid-column: auto; flex-direction: column; }
  .footer-main, .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-links { flex-wrap: wrap; gap: 16px 24px; }
  .legal-shell { width: min(100% - 32px, 880px); padding: 60px 0 90px; }
  .legal-content { padding: 34px 24px; }
  .legal-contact { padding: 22px 20px; }
}

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