:root {
    --ink: #2d2744;
    --muted: #736d86;
    --rose: #ef6f9c;
    --rose-deep: #c94d7c;
    --lavender: #8b80d7;
    --cream: #fff8f5;
    --panel: #ffffff;
    --line: #f0e5ec;
    --shadow: 0 18px 50px rgba(68, 43, 78, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--cream);
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
    position: sticky; top: 0; z-index: 20;
    background: rgba(255, 248, 245, .94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(240, 229, 236, .9);
}
.nav { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: .04em; }
.brand img { width: 42px; height: 42px; border-radius: 14px; }
.brand-word { font-size: 19px; }
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: 14px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--rose-deep); }
.nav-download, .download-button {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border: 0; border-radius: 14px; background: var(--rose-deep); color: white;
    font-weight: 700; padding: 11px 19px; box-shadow: 0 10px 22px rgba(201, 77, 124, .22);
    transition: transform .2s ease, background .2s ease;
}
.nav-download:hover, .download-button:hover { transform: translateY(-2px); background: #b83f6c; }
.hero { padding: 78px 0 68px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.eyebrow { color: var(--rose-deep); font-weight: 800; font-size: 13px; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
h1 { font-size: clamp(38px, 6vw, 68px); letter-spacing: -.04em; max-width: 680px; }
h2 { font-size: clamp(28px, 4vw, 42px); letter-spacing: -.03em; }
h3 { font-size: 19px; }
.hero-copy p { color: var(--muted); max-width: 610px; font-size: 17px; margin: 22px 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.text-link { color: var(--rose-deep); font-weight: 700; padding: 10px 6px; }
.hero-note { margin-top: 18px; color: #978d9a; font-size: 13px; }
.hero-art { position: relative; min-height: 380px; }
.hero-art::before, .hero-art::after { content: ""; position: absolute; border-radius: 999px; filter: blur(1px); }
.hero-art::before { width: 290px; height: 290px; right: 3%; top: 12%; background: #f7c7d8; opacity: .8; }
.hero-art::after { width: 160px; height: 160px; left: 4%; bottom: 3%; background: #d8d4f3; opacity: .8; }
.phone-stack { position: relative; z-index: 1; display: flex; justify-content: center; align-items: flex-end; gap: 16px; transform: rotate(3deg); }
.phone-stack img { width: min(220px, 45%); border-radius: 27px; box-shadow: var(--shadow); border: 6px solid #fff; }
.phone-stack img:nth-child(2) { transform: translateY(-34px) rotate(-6deg); }
.section { padding: 78px 0; }
.section-soft { background: #fff; }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 28px; }
.section-head p { max-width: 520px; color: var(--muted); margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { background: var(--panel); border: 1px solid var(--line); padding: 25px; border-radius: 18px; box-shadow: 0 8px 28px rgba(68,43,78,.04); }
.feature-icon { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; color: var(--rose-deep); background: #fff0f4; margin-bottom: 18px; font-size: 20px; }
.feature-card p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.showcase { display: grid; grid-template-columns: .85fr 1.15fr; gap: 54px; align-items: center; }
.showcase-copy p { color: var(--muted); }
.showcase-copy .copy-note { color: var(--muted); margin: 20px 0 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 9px; padding: 0; margin: 24px 0 0; list-style: none; }
.tag-list li { padding: 7px 12px; border-radius: 999px; background: #f8edf8; color: #665d84; font-size: 13px; }
.screens { display: flex; gap: 18px; align-items: flex-end; }
.screens img { width: min(31%, 210px); border-radius: 23px; box-shadow: var(--shadow); border: 5px solid #fff; }
.screens img:nth-child(2) { transform: translateY(-22px); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 32px; }
.stat { padding: 22px; border-top: 2px solid #f0cad9; background: #fffafb; }
.stat strong { display: block; font-size: 30px; color: var(--rose-deep); }
.stat span { color: var(--muted); font-size: 13px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.quote { margin: 0; background: #fff; border: 1px solid var(--line); padding: 24px; border-radius: 18px; }
.quote p { margin: 0 0 15px; color: #534b67; }
.quote cite { color: var(--rose-deep); font-size: 13px; font-style: normal; font-weight: 700; }
.cta-band { padding: 66px 0; background: #43365f; color: #fff; }
.cta-band-inner { display: flex; justify-content: space-between; gap: 28px; align-items: center; }
.cta-band p { color: #ddd6ef; margin: 10px 0 0; }
.cta-band .download-button { background: #f58ab0; color: #392d4f; box-shadow: none; white-space: nowrap; }
.page-hero { padding: 70px 0 42px; background: linear-gradient(135deg, #fff3f5 0%, #f2edff 100%); }
.page-hero p { max-width: 680px; color: var(--muted); font-size: 17px; margin: 18px 0 0; }
.content-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 34px; align-items: start; }
.article { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 34px; }
.article h2 { font-size: 27px; margin: 28px 0 12px; }
.article h2:first-child { margin-top: 0; }
.article p { color: #59526c; margin: 0 0 15px; }
.article ul, .article ol { color: #59526c; padding-left: 21px; }
.article li { margin: 7px 0; }
.aside-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px; position: sticky; top: 98px; }
.aside-card h3 { margin-bottom: 14px; }
.aside-links { list-style: none; padding: 0; margin: 0; }
.aside-links li { border-bottom: 1px solid var(--line); padding: 11px 0; color: var(--muted); font-size: 14px; }
.aside-links li:last-child { border-bottom: 0; }
.aside-links a:hover { color: var(--rose-deep); }
.faq-list { display: grid; gap: 12px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--rose-deep); font-size: 21px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 12px 0 0; }
.site-footer { padding: 36px 0 24px; background: #302842; color: #ddd6e7; }
.footer-main { display: flex; justify-content: space-between; gap: 30px; align-items: start; }
.footer-brand { color: #fff; }
.footer-main p { max-width: 500px; color: #b9b1c7; font-size: 13px; margin: 9px 0 0; }
.footer-nav { display: flex; gap: 18px; font-size: 13px; color: #eee7f2; }
.footer-nav a:hover { color: #f6a5c0; }
.disclaimer { padding-top: 20px; margin-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: #a9a0b9; font-size: 12px; }
.copyright { color: #8f879d; font-size: 12px; margin-top: 13px; }
@media (max-width: 860px) {
    .hero-grid, .showcase, .content-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 50px; }
    .hero-art { min-height: 300px; }
    .feature-grid, .quote-grid { grid-template-columns: repeat(2, 1fr); }
    .aside-card { position: static; }
}
@media (max-width: 620px) {
    .container { width: min(100% - 28px, 1120px); }
    .nav { height: 66px; }
    .nav-links { gap: 11px; font-size: 12px; }
    .nav-download { padding: 8px 11px; font-size: 12px; }
    .brand-word { font-size: 16px; }
    .brand img { width: 36px; height: 36px; }
    h1 { font-size: 42px; }
    .section { padding: 56px 0; }
    .section-head, .cta-band-inner, .footer-main { display: block; }
    .section-head p { margin-top: 12px; }
    .feature-grid, .quote-grid, .stats { grid-template-columns: 1fr; }
    .screens { justify-content: center; gap: 10px; }
    .screens img { width: 31%; border-width: 3px; border-radius: 15px; }
    .article { padding: 23px; }
    .footer-nav { margin-top: 20px; flex-wrap: wrap; }
}
