:root {
    --bg: #fff9fc;
    --surface: #ffffff;
    --pink-soft: #fff1f6;
    --purple-soft: #f6f3ff;
    --gray-soft: #f8f6f7;
    --text: #31262c;
    --body: #51454c;
    --muted: #7c6e75;
    --light: #a2949b;
    --pink: #ff5c98;
    --berry: #d9467b;
    --peach: #ff96ad;
    --purple: #8b74e8;
    --deep-purple: #6250b0;
    --border: rgba(255, 92, 152, 0.15);
    --shadow: 0 14px 38px rgba(70, 44, 58, 0.08);
    --shadow-strong: 0 20px 48px rgba(217, 70, 123, 0.14);
    --radius: 24px;
    --max: 1220px;
    --header-h: 82px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--body);
    background: var(--bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(139, 116, 232, 0.42); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 2000; padding: 10px 16px; border-radius: 12px; background: var(--text); color: #fff; }
.skip-link:focus { top: 12px; }
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    height: var(--header-h);
    border-bottom: 1px solid rgba(255, 92, 152, 0.1);
    background: rgba(255, 249, 252, 0.94);
    backdrop-filter: blur(18px);
}
.header-inner {
    position: relative;
    width: min(calc(100% - 36px), var(--max));
    height: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr 52px;
    align-items: center;
    gap: 18px;
}
.desktop-nav { display: flex; align-items: center; gap: 4px; min-width: 0; }
.nav-left { justify-content: flex-end; }
.nav-right { justify-content: flex-start; }
.nav-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    color: var(--muted);
    border-radius: 999px;
    white-space: nowrap;
    transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-link:hover, .nav-link.is-active { color: var(--berry); background: var(--pink-soft); transform: translateY(-1px); }
.brand-logo, .footer-logo, .drawer-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: .02em; }
.brand-logo img, .footer-logo img, .drawer-brand img { object-fit: contain; }
.brand-mark { width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--peach), var(--pink) 50%, var(--purple)); box-shadow: 0 10px 24px rgba(217,70,123,.18); }
.brand-name { white-space: nowrap; font-size: 1.12rem; }
.menu-toggle { width: 48px; height: 48px; border: 0; border-radius: 50%; background: var(--surface); box-shadow: var(--shadow); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 2px; background: var(--text); pointer-events: none; }
.mobile-header-actions { display: none; }
main { min-height: 60vh; padding-top: var(--header-h); }
.container { width: min(calc(100% - 36px), var(--max)); margin: 0 auto; }
.section { padding: 88px 0; position: relative; }
.section-sm { padding: 58px 0; }
.section-soft { background: var(--pink-soft); }
.section-purple { background: var(--purple-soft); }
.section-gray { background: var(--gray-soft); }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.section-heading.center { text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow { display: inline-block; margin-bottom: 10px; color: var(--berry); font-size: .86rem; font-weight: 800; letter-spacing: .12em; }
h1, h2, h3, h4 { margin: 0 0 .65em; color: var(--text); line-height: 1.22; }
h1 { font-size: clamp(2.5rem, 6vw, 5.2rem); letter-spacing: -.045em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); letter-spacing: -.03em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.06rem, 1.8vw, 1.24rem); color: var(--muted); }
.muted { color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 22px; border-radius: 999px; font-weight: 750; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--peach), var(--pink) 50%, var(--purple)); box-shadow: var(--shadow-strong); }
.btn-secondary { color: var(--berry); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--berry); font-weight: 750; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.hero { padding: 86px 0 70px; overflow: hidden; }
.hero-shell { position: relative; }
.hero-shell::before, .hero-shell::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero-shell::before { width: 280px; height: 280px; left: -130px; top: 20px; background: rgba(255,150,173,.2); }
.hero-shell::after { width: 240px; height: 240px; right: -100px; bottom: 40px; background: rgba(139,116,232,.16); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(180px, .8fr) minmax(420px, 1.7fr) minmax(180px, .8fr); gap: 34px; align-items: center; }
.hero-center { text-align: center; }
.hero-center .lead { max-width: 820px; margin: 0 auto; }
.hero-center .actions { justify-content: center; }
.hero-side { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(255,255,255,.76); box-shadow: var(--shadow); }
.hero-side .mini-icon { width: 52px; height: 52px; margin-bottom: 18px; border-radius: 18px; display: grid; place-items: center; font-size: 1.4rem; background: var(--pink-soft); }
.hero-visual { margin-top: 46px; min-height: 340px; border-radius: 34px; padding: 42px; background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.8), transparent 26%), linear-gradient(135deg, #ffd6e4, #fff 45%, #e5deff); box-shadow: var(--shadow-strong); display: grid; grid-template-columns: 1.25fr .75fr; gap: 26px; align-items: center; overflow: hidden; }
.visual-copy h2 { font-size: clamp(1.8rem, 4vw, 3.4rem); }
.visual-cards { display: grid; gap: 14px; }
.visual-card { padding: 20px; border-radius: 20px; background: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow); }
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.card { position: relative; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.card h3:last-child, .card p:last-child { margin-bottom: 0; }
.card:hover { border-color: rgba(255,92,152,.3); }
.icon-box { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 18px; background: var(--pink-soft); color: var(--berry); font-size: 1.45rem; }
.tag { display: inline-flex; align-items: center; min-height: 28px; padding: 0 11px; border-radius: 999px; background: var(--purple-soft); color: var(--deep-purple); font-size: .82rem; font-weight: 700; }
.story-feature { display: grid; grid-template-columns: 1.2fr .8fr; gap: 22px; }
.story-main { min-height: 420px; display: flex; flex-direction: column; justify-content: flex-end; padding: 40px; border-radius: 30px; background: linear-gradient(160deg, #ffd7e5, #fff 55%, #e8e2ff); box-shadow: var(--shadow-strong); }
.story-side { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.story-side .card { min-height: 198px; }
.media-placeholder { min-height: 180px; margin-bottom: 20px; border-radius: 20px; display: grid; place-items: center; text-align: center; padding: 24px; color: var(--text); background: linear-gradient(135deg, #ffe1eb, #fff6fa 54%, #e8e4ff); }
.media-placeholder span { width: 60px; height: 60px; display: grid; place-items: center; margin: 0 auto 12px; border-radius: 20px; background: rgba(255,255,255,.72); box-shadow: var(--shadow); font-size: 1.6rem; }
.feature-band { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.phone-art { min-height: 520px; border-radius: 38px; background: linear-gradient(145deg, #fff, #ffe3ed 45%, #ddd6ff); display: grid; place-items: center; box-shadow: var(--shadow-strong); }
.phone-frame { width: min(280px, 78%); aspect-ratio: 9 / 18; padding: 16px; border-radius: 42px; background: var(--text); box-shadow: 0 30px 70px rgba(49,38,44,.22); }
.phone-screen { width: 100%; height: 100%; border-radius: 30px; overflow: hidden; background: var(--bg); padding: 22px 16px; }
.phone-screen .screen-top { height: 90px; border-radius: 22px; margin-bottom: 14px; background: linear-gradient(135deg, var(--peach), var(--purple)); }
.phone-screen .screen-card { height: 70px; margin-bottom: 12px; border-radius: 18px; background: #fff; border: 1px solid var(--border); }
.principle-list { display: grid; gap: 14px; }
.principle-item { display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--border); }
.principle-item:last-child { border-bottom: 0; }
.principle-number { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 16px; background: var(--pink-soft); color: var(--berry); font-weight: 800; }
.faq-list { display: grid; gap: 14px; }
details { border: 1px solid var(--border); border-radius: 18px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
summary { min-height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; color: var(--text); font-weight: 750; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--berry); font-size: 1.4rem; }
details[open] summary::after { content: "−"; }
details p { padding: 0 20px 20px; margin: 0; }
.page-hero { padding: 74px 0 54px; }
.page-hero-shell { padding: 54px; border-radius: 34px; background: linear-gradient(135deg, #fff, var(--pink-soft) 55%, var(--purple-soft)); box-shadow: var(--shadow); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; color: var(--muted); font-size: .92rem; }
.breadcrumb a { color: var(--berry); }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 30px; align-items: start; }
.content-main { display: grid; gap: 24px; }
.content-main article, .content-main section { padding: 32px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.content-main article p:last-child, .content-main section p:last-child { margin-bottom: 0; }
.side-nav { position: sticky; top: calc(var(--header-h) + 24px); padding: 24px; border-radius: var(--radius); background: var(--text); color: #fff; box-shadow: var(--shadow); }
.side-nav h2 { color: #fff; font-size: 1.18rem; }
.side-nav a { display: block; min-height: 44px; padding: 10px 0; color: #fce7ef; border-bottom: 1px solid rgba(255,255,255,.12); }
.side-nav a:last-child { border-bottom: 0; }
.notice-box { padding: 24px; border-left: 4px solid var(--pink); border-radius: 0 18px 18px 0; background: var(--pink-soft); }
.step-list { counter-reset: steps; display: grid; gap: 16px; }
.step { counter-increment: steps; position: relative; padding: 24px 24px 24px 78px; border: 1px solid var(--border); border-radius: 20px; background: #fff; }
.step::before { content: counter(steps); position: absolute; left: 22px; top: 22px; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--pink), var(--purple)); font-weight: 800; }
.timeline { display: grid; gap: 0; }
.timeline-item { position: relative; padding: 0 0 28px 34px; }
.timeline-item::before { content: ""; position: absolute; left: 8px; top: 7px; bottom: -7px; width: 2px; background: var(--border); }
.timeline-item::after { content: ""; position: absolute; left: 2px; top: 7px; width: 14px; height: 14px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 0 6px var(--pink-soft); }
.timeline-item:last-child::before { display: none; }
.service-cta { margin-top: 28px; padding: 34px; border-radius: 26px; color: #fff; background: linear-gradient(135deg, #3a2b33, #5d476d); box-shadow: var(--shadow); }
.service-cta h2 { color: #fff; }
.site-footer { background: #30252b; color: #ffeaf2; padding: 72px 0 34px; }
.footer-inner { width: min(calc(100% - 36px), var(--max)); margin: 0 auto; }
.footer-brand { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand p { max-width: 560px; color: #e7ccd7; }
.footer-logo { color: #fff; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; padding: 42px 0; }
.footer-links h2 { color: #fff; font-size: 1rem; }
.footer-links a { display: block; min-height: 38px; color: #dfc5d0; }
.footer-links a:hover { color: #fff; }
.footer-note { display: flex; justify-content: space-between; gap: 30px; color: #c9adb9; font-size: .9rem; }
.global-overlay { position: fixed; inset: 0; z-index: 1190; background: rgba(49,38,44,.34); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .22s ease, visibility .22s ease; }
.global-overlay.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
.channel-panel { position: fixed; z-index: 1200; left: 0; right: 0; top: var(--header-h); max-height: calc(100vh - var(--header-h)); overflow-y: auto; background: rgba(255,249,252,.98); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-strong); transform: translateY(-18px); opacity: 0; visibility: hidden; pointer-events: none; transition: transform .24s ease, opacity .24s ease, visibility .24s ease; }
.channel-panel.is-open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
.channel-panel-inner { width: min(calc(100% - 36px), var(--max)); margin: 0 auto; padding: 32px 0 42px; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.panel-heading h2 { margin-bottom: 0; font-size: 1.7rem; }
.panel-close, .drawer-close { width: 46px; height: 46px; border: 0; border-radius: 50%; background: #fff; color: var(--text); box-shadow: var(--shadow); font-size: 1.5rem; }
.channel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.channel-grid section { min-width: 0; }
.channel-grid h3 { padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.channel-grid a { display: block; min-height: 72px; padding: 13px 0; border-bottom: 1px solid rgba(255,92,152,.1); }
.channel-grid strong, .channel-grid span { display: block; }
.channel-grid span { color: var(--muted); font-size: .88rem; line-height: 1.55; }
.mobile-drawer { position: fixed; z-index: 1210; top: 0; right: 0; width: min(88vw, 390px); height: 100vh; padding: 18px; background: var(--bg); box-shadow: -22px 0 55px rgba(49,38,44,.18); transform: translateX(102%); visibility: hidden; pointer-events: none; transition: transform .25s ease, visibility .25s ease; overflow-y: auto; }
.mobile-drawer.is-open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.mobile-drawer-head { position: sticky; top: -18px; z-index: 2; display: flex; align-items: center; justify-content: space-between; padding: 18px 0; background: var(--bg); }
.mobile-drawer-nav { display: grid; gap: 6px; padding-bottom: 40px; }
.mobile-drawer-nav a { min-height: 48px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; border-radius: 14px; background: #fff; border: 1px solid var(--border); }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
    .nav-link { padding: 0 9px; font-size: .94rem; }
    .hero-grid { grid-template-columns: 1fr 1.7fr 1fr; gap: 20px; }
    .grid-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .channel-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
    :root { --header-h: 70px; }
    body { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
    .header-inner { width: min(calc(100% - 32px), var(--max)); grid-template-columns: 1fr auto 48px; gap: 10px; }
    .desktop-nav { display: none; }
    .brand-logo { justify-self: start; }
    .mobile-header-actions { display: block; }
    .mobile-experience { min-height: 42px; display: inline-flex; align-items: center; padding: 0 16px; border-radius: 999px; color: #fff; background: linear-gradient(135deg, var(--pink), var(--purple)); font-weight: 750; }
    .menu-toggle { width: 44px; height: 44px; }
    .section { padding: 66px 0; }
    .hero { padding: 56px 0 52px; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-center { order: -1; text-align: left; }
    .hero-center .actions { justify-content: flex-start; }
    .hero-side { padding: 22px; }
    .hero-visual { min-height: auto; padding: 28px; grid-template-columns: 1fr; }
    .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .story-feature, .feature-band, .content-layout { grid-template-columns: 1fr; }
    .story-side { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .side-nav { position: static; }
    .page-hero-shell { padding: 34px 26px; }
    .footer-brand, .footer-note { display: block; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .channel-panel { display: none; }
    .mobile-bottom-nav { position: fixed; z-index: 1050; left: 12px; right: 12px; bottom: calc(10px + env(safe-area-inset-bottom)); min-height: 60px; padding: 6px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,92,152,.13); border-radius: 22px; background: rgba(255,255,255,.95); box-shadow: 0 14px 34px rgba(49,38,44,.16); backdrop-filter: blur(18px); }
    .mobile-bottom-nav a { min-height: 48px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 16px; color: var(--muted); font-size: .76rem; line-height: 1.2; }
    .mobile-bottom-nav span { margin-bottom: 4px; font-size: 1.05rem; }
    .mobile-bottom-nav a.is-active { color: var(--berry); background: var(--pink-soft); font-weight: 750; }
}
@media (max-width: 560px) {
    .container, .footer-inner { width: min(calc(100% - 32px), var(--max)); }
    h1 { font-size: clamp(2.25rem, 12vw, 3.6rem); }
    .grid-2, .grid-3, .grid-4, .grid-6, .story-side { grid-template-columns: 1fr; }
    .card, .content-main article, .content-main section { padding: 24px; }
    .hero-visual { border-radius: 26px; }
    .story-main { min-height: 360px; padding: 28px; }
    .page-hero { padding-top: 48px; }
    .page-hero-shell { padding: 28px 22px; border-radius: 26px; }
    .feature-band { gap: 30px; }
    .phone-art { min-height: 430px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
    .brand-name { font-size: 1rem; }
    .brand-mark { width: 34px; height: 34px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}