:root {
    --bg: #FFF9FC;
    --surface: #FFFFFF;
    --soft-pink: #FFF1F6;
    --soft-purple: #F6F3FF;
    --soft-gray: #F8F6F7;
    --title: #31262C;
    --text: #51454C;
    --muted: #7C6E75;
    --light: #A2949B;
    --brand: #FF5C98;
    --berry: #D9467B;
    --peach: #FF96AD;
    --purple: #8B74E8;
    --deep-purple: #6250B0;
    --border: rgba(255,92,152,.15);
    --shadow: 0 14px 38px rgba(70,44,58,.08);
    --shadow-strong: 0 20px 48px rgba(217,70,123,.14);
    --gradient: linear-gradient(135deg,#FF96AD 0%,#FF5C98 50%,#8B74E8 100%);
    --header-height: 78px;
    --container: 1220px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,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; }
a:focus-visible,button:focus-visible,summary:focus-visible { outline: 3px solid rgba(139,116,232,.45); outline-offset: 3px; border-radius: 10px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; padding: 10px 16px; border-radius: 10px; background: var(--title); color: #fff; }
.skip-link:focus { top: 12px; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 700; height: var(--header-height); background: rgba(255,249,252,.9); border-bottom: 1px solid var(--border); backdrop-filter: blur(18px); }
.header-inner { width: min(var(--container),calc(100% - 32px)); height: 100%; margin: 0 auto; display: grid; align-items: center; }
.desktop-header { grid-template-columns: 1fr auto 1fr; gap: 28px; }
.desktop-nav { display: flex; align-items: center; gap: clamp(12px,2vw,28px); white-space: nowrap; }
.desktop-nav-left { justify-content: flex-end; }
.desktop-nav-right-wrap { display: flex; justify-content: flex-start; align-items: center; gap: 18px; min-width: 0; }
.nav-link { min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); font-size: 15px; font-weight: 700; position: relative; }
.nav-link::after { content: ""; position: absolute; left: 18%; right: 18%; bottom: 5px; height: 3px; border-radius: 999px; background: var(--gradient); transform: scaleX(0); transition: transform .2s ease; pointer-events: none; }
.nav-link:hover,.nav-link.is-active { color: var(--title); }
.nav-link:hover::after,.nav-link.is-active::after { transform: scaleX(1); }
.brand-center,.mobile-brand,.footer-logo-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; }
.brand-logo { max-height: 48px; max-width: 160px; object-fit: contain; }
.brand-wordmark { font-size: 26px; line-height: 1; font-weight: 900; letter-spacing: .02em; color: var(--berry); }
.round-menu-button { width: 46px; height: 46px; border: 1px solid var(--border); border-radius: 50%; background: var(--surface); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; box-shadow: 0 8px 20px rgba(70,44,58,.06); flex: 0 0 auto; }
.round-menu-button span { width: 18px; height: 2px; border-radius: 4px; background: var(--berry); pointer-events: none; }
.mobile-header { display: none; grid-template-columns: 1fr auto; }
.mobile-header-actions { display: flex; align-items: center; gap: 10px; }
.mobile-experience { min-height: 44px; display: inline-flex; align-items: center; padding: 0 18px; border-radius: 999px; color: #fff; background: var(--gradient); font-weight: 800; }
main { min-height: 60vh; padding-top: var(--header-height); }
.page-shell { width: min(var(--container),calc(100% - 32px)); margin: 0 auto; }
.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.section-soft { background: var(--soft-pink); }
.section-purple { background: var(--soft-purple); }
.section-gray { background: var(--soft-gray); }
.eyebrow { display: inline-block; color: var(--berry); font-size: 13px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
h1,h2,h3 { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(38px,6vw,72px); letter-spacing: -.035em; margin-bottom: 22px; }
h2 { font-size: clamp(28px,3.8vw,46px); letter-spacing: -.02em; margin-bottom: 18px; }
h3 { font-size: 20px; margin-bottom: 10px; }
p { margin: 0 0 18px; }
.lead { font-size: clamp(17px,2vw,21px); color: var(--muted); max-width: 760px; }
.hero { padding: 82px 0 62px; position: relative; overflow: hidden; }
.hero::before,.hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero::before { width: 320px; height: 320px; background: rgba(255,150,173,.22); left: -120px; top: 40px; }
.hero::after { width: 360px; height: 360px; background: rgba(139,116,232,.16); right: -150px; bottom: -80px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .85fr 1.5fr .85fr; gap: 34px; align-items: center; }
.hero-side { background: rgba(255,255,255,.72); border: 1px solid var(--border); border-radius: 26px; padding: 26px; box-shadow: var(--shadow); }
.hero-center { text-align: center; }
.hero-center .lead { margin: 0 auto 28px; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-center .button-row { justify-content: center; }
.button-primary,.button-secondary { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 24px; border-radius: 999px; font-weight: 800; white-space: nowrap; transition: transform .2s ease,box-shadow .2s ease; }
.button-primary { background: var(--gradient); color: #fff; box-shadow: 0 12px 30px rgba(217,70,123,.2); }
.button-secondary { border: 1px solid var(--border); background: rgba(255,255,255,.88); color: var(--title); }
.button-primary:hover,.button-secondary:hover { transform: translateY(-2px); box-shadow: var(--shadow-strong); }
.hero-media { margin-top: 46px; }
.content-media,.media-fallback { margin: 0; width: 100%; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); background: var(--surface); }
.content-media img { width: 100%; height: 100%; object-fit: cover; }
.content-media figcaption { padding: 12px 18px; color: var(--muted); font-size: 14px; }
.media-fallback { min-height: 260px; background: radial-gradient(circle at 22% 18%,rgba(255,255,255,.92) 0 10%,transparent 11%),radial-gradient(circle at 78% 30%,rgba(255,255,255,.7) 0 8%,transparent 9%),linear-gradient(135deg,#FFF1F6,#F6F3FF 55%,#FFE8F0); display: grid; place-items: center; color: var(--berry); text-align: center; padding: 30px; font-weight: 900; }
.media-fallback::before { content: ""; width: 92px; height: 92px; border-radius: 30px; background: var(--gradient); opacity: .78; transform: rotate(12deg); box-shadow: 40px 22px 0 rgba(255,150,173,.36),-46px 34px 0 rgba(139,116,232,.2); }
.media-fallback span { display: block; margin-top: 30px; }
.index-grid,.card-grid,.feature-grid,.faq-grid,.feedback-grid { display: grid; gap: 22px; }
.index-grid { grid-template-columns: repeat(6,1fr); }
.card-grid.three { grid-template-columns: repeat(3,1fr); }
.card-grid.two { grid-template-columns: repeat(2,1fr); }
.card-grid.four { grid-template-columns: repeat(4,1fr); }
.feature-grid { grid-template-columns: repeat(2,1fr); }
.card,.index-card,.feature-card,.feedback-card { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; padding: 26px; box-shadow: var(--shadow); }
.card p,.index-card p,.feature-card p,.feedback-card p { color: var(--muted); }
.text-link { display: inline-flex; min-height: 44px; align-items: center; color: var(--berry); font-weight: 800; }
.text-link::after { content: "→"; margin-left: 8px; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.story-showcase { display: grid; grid-template-columns: 1.25fr .75fr; gap: 24px; }
.story-primary,.story-list { display: grid; gap: 18px; }
.story-primary .card { height: 100%; }
.story-list .card { padding: 22px; }
.tag { display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px; border-radius: 999px; background: var(--soft-pink); color: var(--berry); font-size: 13px; font-weight: 800; margin-bottom: 12px; }
.section-heading { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 30px; }
.section-heading p { max-width: 660px; color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.split.reverse .split-media { order: 2; }
.list-clean { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.list-clean li { position: relative; padding-left: 28px; }
.list-clean li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--gradient); position: absolute; left: 0; top: .7em; }
.notice-box { border-radius: 24px; padding: 24px 26px; background: linear-gradient(135deg,rgba(255,241,246,.95),rgba(246,243,255,.95)); border: 1px solid var(--border); }
.timeline { position: relative; display: grid; gap: 20px; }
.timeline::before { content: ""; position: absolute; left: 19px; top: 12px; bottom: 12px; width: 2px; background: rgba(217,70,123,.2); }
.timeline-item { position: relative; padding-left: 62px; }
.timeline-number { position: absolute; left: 0; top: 0; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--gradient); color: #fff; font-weight: 900; box-shadow: var(--shadow); }
.topic-strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px,1fr); gap: 18px; overflow-x: auto; padding-bottom: 10px; scroll-snap-type: x proximity; }
.topic-strip .card { scroll-snap-align: start; }
.faq-list { display: grid; gap: 14px; }
details { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 10px 26px rgba(70,44,58,.05); overflow: hidden; }
summary { cursor: pointer; min-height: 56px; display: flex; align-items: center; padding: 14px 22px; color: var(--title); font-weight: 800; }
details p { padding: 0 22px 20px; margin: 0; color: var(--muted); }
.page-hero { padding: 80px 0 52px; text-align: center; }
.page-hero .lead { margin: 0 auto; }
.breadcrumbs { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--berry); }
.data-table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
.data-table th,.data-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.data-table th { color: var(--title); background: var(--soft-pink); }
.data-table tr:last-child td { border-bottom: 0; }
.site-footer { background: #30252B; color: #FFEAF2; margin-top: 0; }
.footer-inner { width: min(var(--container),calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(4,1fr); gap: 32px; padding: 64px 0 42px; }
.footer-brand p { color: rgba(255,234,242,.72); max-width: 300px; }
.footer-logo-link { justify-content: flex-start; margin-bottom: 18px; }
.footer-logo-link .brand-wordmark { color: #fff; }
.footer-group { display: grid; align-content: start; gap: 8px; }
.footer-group h2 { font-size: 16px; color: #fff; margin-bottom: 8px; }
.footer-group a { min-height: 36px; display: inline-flex; align-items: center; color: rgba(255,234,242,.76); }
.footer-group a:hover { color: #fff; }
.footer-bottom { width: min(var(--container),calc(100% - 32px)); margin: 0 auto; border-top: 1px solid rgba(255,255,255,.1); padding: 24px 0 34px; display: flex; justify-content: space-between; gap: 24px; color: rgba(255,234,242,.66); font-size: 14px; }
.site-overlay,.mobile-overlay { position: fixed; inset: 0; background: rgba(49,38,44,.34); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s ease,visibility .2s ease; }
.site-overlay { z-index: 600; }
.mobile-overlay { z-index: 800; }
.site-overlay.is-open,.mobile-overlay.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.channel-panel { position: fixed; top: var(--header-height); left: 0; right: 0; z-index: 650; max-height: calc(100vh - var(--header-height)); overflow-y: auto; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-strong); transform: translateY(-115%); visibility: hidden; pointer-events: none; transition: transform .24s ease,visibility .24s ease; }
.channel-panel.is-open { transform: translateY(0); visibility: visible; pointer-events: auto; }
.channel-panel-inner { width: min(var(--container),calc(100% - 32px)); margin: 0 auto; padding: 34px 0 44px; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 26px; }
.panel-heading h2 { margin-bottom: 0; }
.panel-close { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--title); font-size: 26px; cursor: pointer; }
.channel-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.channel-grid nav { display: grid; align-content: start; gap: 10px; }
.channel-grid h3 { padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.channel-grid a { min-height: 70px; display: grid; align-content: center; gap: 2px; padding: 11px 14px; border-radius: 16px; }
.channel-grid a:hover { background: var(--soft-pink); }
.channel-grid strong { color: var(--title); }
.channel-grid span { color: var(--muted); font-size: 13px; line-height: 1.55; }
.mobile-drawer { position: fixed; top: 0; right: 0; z-index: 850; width: min(88vw,390px); height: 100dvh; background: var(--surface); transform: translateX(105%); visibility: hidden; pointer-events: none; transition: transform .24s ease,visibility .24s ease; display: grid; grid-template-rows: auto 1fr; }
.mobile-drawer.is-open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.mobile-drawer-head { min-height: 76px; padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); }
.mobile-menu { overflow-y: auto; padding: 12px 16px 30px; display: grid; align-content: start; }
.mobile-menu a { min-height: 50px; display: flex; align-items: center; padding: 0 12px; border-bottom: 1px solid rgba(255,92,152,.09); color: var(--title); font-weight: 700; }
.mobile-menu a:hover { background: var(--soft-pink); }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
    .desktop-nav { gap: 12px; }
    .nav-link { font-size: 14px; }
    .index-grid { grid-template-columns: repeat(3,1fr); }
    .footer-inner { grid-template-columns: repeat(4,1fr); }
    .footer-brand { grid-column: 1/-1; }
}
@media (max-width: 820px) {
    :root { --header-height: 68px; }
    .desktop-header { display: none; }
    .mobile-header { display: grid; }
    .brand-wordmark { font-size: 22px; }
    .brand-logo { max-height: 40px; max-width: 135px; }
    .hero { padding-top: 54px; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-center { order: -1; }
    .hero-side { text-align: left; }
    .story-showcase,.split { grid-template-columns: 1fr; }
    .split.reverse .split-media { order: initial; }
    .card-grid.four { grid-template-columns: repeat(2,1fr); }
    .channel-panel { display: none; }
    .site-overlay { display: none; }
    .footer-inner { grid-template-columns: repeat(2,1fr); }
    .footer-brand { grid-column: 1/-1; }
    .footer-bottom { flex-direction: column; }
    .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: max(10px,env(safe-area-inset-bottom)); z-index: 450; min-height: 62px; display: grid; grid-template-columns: repeat(4,1fr); background: rgba(255,255,255,.94); border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow-strong); backdrop-filter: blur(16px); overflow: hidden; }
    .mobile-bottom-nav a { min-height: 62px; display: grid; place-items: center; align-content: center; gap: 1px; color: var(--muted); font-size: 12px; font-weight: 800; }
    .mobile-bottom-nav a span { font-size: 19px; line-height: 1; }
    .mobile-bottom-nav a.is-active { color: var(--berry); background: var(--soft-pink); }
    body { padding-bottom: calc(86px + env(safe-area-inset-bottom)); }
}
@media (max-width: 640px) {
    .page-shell { width: min(100% - 32px,var(--container)); }
    .section { padding: 54px 0; }
    .section-tight { padding: 40px 0; }
    .page-hero { padding: 58px 0 38px; }
    h1 { font-size: clamp(36px,11vw,52px); }
    h2 { font-size: 30px; }
    .index-grid,.card-grid.three,.card-grid.two,.card-grid.four,.feature-grid,.feedback-grid,.faq-grid { grid-template-columns: 1fr; }
    .index-grid { gap: 14px; }
    .card,.index-card,.feature-card,.feedback-card { padding: 22px; }
    .section-heading { align-items: flex-start; flex-direction: column; }
    .topic-strip { grid-auto-columns: 86%; }
    .data-table { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) {
    *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}