:root {
    --ink: #30263a;
    --muted: #756b7f;
    --pink: #e85d91;
    --rose: #f7d6e3;
    --lavender: #8d78c8;
    --lilac: #efe9fb;
    --cream: #fff9f4;
    --line: #eadfea;
    --white: #ffffff;
    --shadow: 0 16px 45px rgba(72, 49, 82, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    overflow-x: hidden;
    color: var(--ink);
    background: var(--cream);
    font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 249, 244, .94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
}
.nav-wrap, .container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .04em; }
.brand img { width: 42px; height: 42px; border-radius: 13px; }
.brand-name { font-size: 1.1rem; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { padding: 9px 13px; color: var(--muted); font-size: .95rem; border-radius: 10px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--pink); background: #fff0f6; }
.menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); border-radius: 10px; width: 42px; height: 42px; font-size: 1.2rem; }
.hero { padding: 86px 0 70px; background: radial-gradient(circle at 10% 5%, #ffeaf2 0, transparent 34%), radial-gradient(circle at 90% 20%, #eee8ff 0, transparent 32%); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 60px; align-items: center; }
.hero-grid > * { min-width: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--pink); font-size: .86rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--pink); }
h1, h2, h3 { line-height: 1.25; margin: 0; letter-spacing: -.01em; }
h1 { font-size: 3.6rem; margin: 15px 0 20px; }
h2 { font-size: 2.2rem; margin-bottom: 24px; }
h3 { font-size: 1.12rem; }
.hero-copy { color: var(--muted); font-size: 1.06rem; max-width: 600px; overflow-wrap: anywhere; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border-radius: 12px; border: 1px solid transparent; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(72, 49, 82, .12); }
.btn.primary { background: var(--pink); color: var(--white); }
.btn.secondary { background: var(--white); border-color: var(--line); color: var(--ink); }
.hero-note { margin-top: 17px; color: var(--muted); font-size: .88rem; }
.hero-art { position: relative; min-height: 420px; display: grid; place-items: center; }
.hero-art::before { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: var(--lilac); }
.phone-frame { position: relative; width: min(280px, 75vw); padding: 10px; border-radius: 28px; background: #241e2d; box-shadow: var(--shadow); transform: rotate(4deg); }
.phone-frame img { border-radius: 20px; width: 100%; }
.floating-tag { position: absolute; right: -14px; top: 48px; padding: 10px 14px; border-radius: 12px; background: var(--white); box-shadow: var(--shadow); color: var(--lavender); font-size: .84rem; font-weight: 700; }
.section { padding: 78px 0; }
.section.alt { background: #fff2f6; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 30px; }
.section-heading .small-link { color: var(--pink); font-weight: 700; white-space: nowrap; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card, .stat-card, .quote-card, .step-card, .faq-item, .content-panel { background: var(--white); border: 1px solid var(--line); border-radius: 16px; }
.feature-card { padding: 22px; min-height: 190px; }
.feature-card .icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--lilac); color: var(--lavender); font-size: 1.3rem; margin-bottom: 18px; }
.feature-card p, .quote-card p, .step-card p, .content-panel p { color: var(--muted); margin: 10px 0 0; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.stat-card { padding: 24px; text-align: center; }
.stat-card strong { display: block; color: var(--pink); font-size: 2rem; line-height: 1.2; }
.stat-card span { color: var(--muted); font-size: .9rem; }
.showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; }
.screen-card { padding: 18px; background: var(--white); border: 1px solid var(--line); border-radius: 18px; }
.screen-card img { max-width: 400px; width: 100%; margin: 0 auto; border-radius: 13px; }
.screen-card figcaption { color: var(--muted); font-size: .9rem; margin-top: 12px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.quote-card { padding: 24px; }
.quote-card cite { display: block; color: var(--lavender); font-style: normal; font-weight: 700; margin-top: 16px; }
.cta-band { padding: 58px 0; background: #3b2b49; color: var(--white); }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band p { color: #dfd5e7; margin: 8px 0 0; }
.cta-band .hero-note { color: #dfd5e7; margin-top: 8px; }
.page-hero { padding: 68px 0 54px; background: linear-gradient(120deg, #fff1f6, #f2efff); border-bottom: 1px solid var(--line); }
.page-hero p { max-width: 760px; color: var(--muted); margin: 16px 0 0; }
.content-layout { display: grid; grid-template-columns: 1.6fr .8fr; gap: 26px; align-items: start; }
.content-panel { padding: 28px; }
.content-panel h2 { margin-top: 34px; font-size: 1.55rem; }
.content-panel h2:first-child { margin-top: 0; }
.content-panel h3 { margin-top: 24px; }
.content-panel ul, .content-panel ol { padding-left: 22px; color: var(--muted); }
.content-panel li { margin: 8px 0; }
.aside-stack { display: grid; gap: 16px; position: sticky; top: 98px; }
.aside-card { padding: 22px; background: var(--lilac); border-radius: 16px; }
.aside-card h3 { color: var(--lavender); }
.aside-card ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); }
.step-grid { display: grid; gap: 14px; }
.step-card { padding: 22px; display: grid; grid-template-columns: 42px 1fr; gap: 15px; }
.step-number { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--pink); color: var(--white); font-weight: 800; }
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; border: 0; background: var(--white); color: var(--ink); font: inherit; font-weight: 700; text-align: left; cursor: pointer; }
.faq-question span:last-child { color: var(--pink); font-size: 1.25rem; }
.faq-answer { max-height: 0; overflow: hidden; padding: 0 20px; color: var(--muted); transition: max-height .25s ease, padding .25s ease; }
.faq-item.open .faq-answer { max-height: 240px; padding: 0 20px 18px; }
.site-footer { padding: 38px 0; background: #2e2437; color: #f5eefa; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.footer-grid p { margin: 8px 0 0; color: #cfc1d8; font-size: .9rem; }
.footer-links { display: flex; justify-content: end; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: #eadff0; font-size: .9rem; }
.disclaimer { border-top: 1px solid rgba(255,255,255,.15); margin-top: 24px; padding-top: 18px; color: #cfc1d8; font-size: .82rem; }
.copyright { margin-top: 10px; color: #aa9bb5; font-size: .8rem; }
@media (max-width: 900px) {
    .hero-grid, .content-layout { grid-template-columns: 1fr; }
    .hero-art { min-height: 350px; order: -1; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .showcase, .quote-grid { grid-template-columns: 1fr 1fr; }
    .aside-stack { position: static; }
}
@media (max-width: 640px) {
    .nav-wrap, .container { width: min(100% - 28px, 1120px); }
    .nav-wrap { min-height: 68px; }
    .menu-toggle { display: block; }
    .nav-links { display: none; position: absolute; left: 14px; right: 14px; top: 62px; padding: 10px; background: var(--white); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 14px; }
    .hero { padding: 54px 0 45px; }
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.75rem; }
    .phone-frame { width: min(260px, 72vw); transform: none; }
    .floating-tag { display: none; }
    .section { padding: 54px 0; }
    .section-heading, .cta-band-inner { display: block; }
    .section-heading .small-link { display: inline-block; margin-top: 10px; }
    .feature-grid, .showcase, .quote-grid, .stats, .footer-grid { grid-template-columns: 1fr; }
    .footer-links { justify-content: start; margin-top: 18px; }
}