:root {
  --bg: #FFF9FC; --surface: #FFFFFF; --soft-pink: #FFF1F6; --soft-purple: #F6F3FF; --soft-gray: #F8F6F7;
  --title: #31262C; --text: #51454C; --muted: #7C6E75; --hint: #A2949B;
  --pink: #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); --strong-shadow: 0 20px 48px rgba(217,70,123,.14);
  --max: 1220px; --header-h: 78px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid rgba(139,116,232,.4); outline-offset: 3px; }
button { font: inherit; }
img { max-width: 100%; height: auto; display: block; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 3000; padding: 10px 16px; border-radius: 12px; background: #fff; color: var(--title); box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; height: var(--header-h); background: rgba(255,249,252,.92); border-bottom: 1px solid var(--border); backdrop-filter: blur(16px); }
.nav-shell { width: min(var(--max), calc(100% - 32px)); height: 100%; margin: 0 auto; display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); align-items: center; gap: 18px; }
.desktop-nav { display: flex; align-items: center; gap: 4px; min-width: 0; }
.desktop-nav-left { justify-content: flex-end; }
.desktop-nav-right { justify-content: flex-start; }
.nav-link { min-height: 44px; display: inline-flex; align-items: center; padding: 0 14px; border-radius: 999px; color: var(--muted); white-space: nowrap; font-size: 15px; font-weight: 700; }
.nav-link:hover, .nav-link.is-active { color: var(--berry); background: var(--soft-pink); }
.brand-mark { min-width: 150px; min-height: 52px; display: grid; place-items: center; }
.brand-mark img, .footer-logo img { object-fit: contain; }
.brand-word { display: inline-flex; align-items: baseline; gap: 4px; color: var(--title); font-size: 25px; font-weight: 900; letter-spacing: -.8px; white-space: nowrap; }
.brand-word span { color: var(--pink); font-size: 19px; font-style: italic; }
.brand-word-light { color: #fff; }
.round-menu-button, .mobile-menu-button, .panel-close, .drawer-head button { border: 0; cursor: pointer; }
.round-menu-button { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--peach), var(--pink) 50%, var(--purple)); color: #fff; box-shadow: 0 8px 24px rgba(217,70,123,.2); }
.mobile-actions { display: none; align-items: center; justify-content: flex-end; gap: 8px; }
.mobile-app-link { min-height: 44px; display: inline-flex; align-items: center; padding: 0 16px; border-radius: 999px; background: var(--soft-pink); color: var(--berry); font-weight: 800; }
.mobile-menu-button { width: 44px; height: 44px; border-radius: 50%; background: var(--title); color: #fff; }
.site-main { padding-top: var(--header-h); min-height: 70vh; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.section { padding: 76px 0; }
.section-soft { background: var(--soft-pink); }
.section-purple { background: var(--soft-purple); }
.eyebrow { display: inline-block; margin-bottom: 10px; color: var(--berry); font-size: 13px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1,h2,h3 { margin: 0 0 16px; color: var(--title); line-height: 1.28; }
h1 { font-size: clamp(36px, 5vw, 68px); letter-spacing: -2.4px; }
h2 { font-size: clamp(28px, 3.2vw, 44px); letter-spacing: -1.2px; }
h3 { font-size: 21px; }
p { margin: 0 0 16px; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head p { color: var(--muted); font-size: 17px; }
.primary-button, .secondary-button, .text-link { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; }
.primary-button { padding: 0 24px; color: #fff; border-radius: 999px; background: linear-gradient(135deg, var(--peach), var(--pink) 50%, var(--purple)); box-shadow: var(--strong-shadow); }
.primary-button:hover { transform: translateY(-2px); }
.secondary-button { padding: 0 22px; border: 1px solid var(--border); border-radius: 999px; background: #fff; color: var(--berry); }
.text-link { color: var(--berry); gap: 6px; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero { padding: 74px 0 48px; position: relative; overflow: hidden; }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; filter: blur(4px); }
.hero::before { width: 380px; height: 380px; left: -180px; top: 20px; background: rgba(255,150,173,.18); }
.hero::after { width: 420px; height: 420px; right: -220px; top: 80px; background: rgba(139,116,232,.14); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .8fr 1.7fr .8fr; gap: 30px; align-items: center; }
.hero-side { padding: 24px; border: 1px solid var(--border); border-radius: 26px; background: rgba(255,255,255,.72); box-shadow: var(--shadow); }
.hero-side h2 { font-size: 20px; }
.hero-center { text-align: center; }
.hero-center .brand-kicker { color: var(--pink); font-weight: 900; letter-spacing: .18em; }
.hero-center p { max-width: 780px; margin: 0 auto; font-size: 18px; color: var(--muted); }
.hero-center .button-row { justify-content: center; }
.hero-visual { margin-top: 42px; min-height: 330px; border-radius: 34px; position: relative; overflow: hidden; background: linear-gradient(135deg, #ffe1eb 0%, #fff 42%, #e8e2ff 100%); box-shadow: var(--strong-shadow); }
.hero-visual .visual-card { position: absolute; padding: 22px; border-radius: 24px; background: rgba(255,255,255,.82); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow); }
.visual-card.one { left: 8%; top: 18%; width: 28%; transform: rotate(-4deg); }
.visual-card.two { left: 36%; top: 10%; width: 31%; }
.visual-card.three { right: 7%; bottom: 14%; width: 27%; transform: rotate(4deg); }
.visual-line { height: 10px; border-radius: 999px; background: rgba(255,92,152,.18); margin: 10px 0; }
.visual-line.short { width: 56%; }
.visual-dot { width: 54px; height: 54px; border-radius: 18px; background: linear-gradient(135deg,var(--peach),var(--purple)); }
.index-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.index-card, .story-card, .topic-card, .feedback-card, .article-card, .faq-card { border: 1px solid var(--border); background: var(--surface); border-radius: 24px; box-shadow: var(--shadow); }
.index-card { padding: 26px; min-height: 210px; display: flex; flex-direction: column; }
.index-card p { color: var(--muted); }
.index-card .text-link { margin-top: auto; align-self: flex-start; }
.feature-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 22px; }
.feature-main { padding: 34px; border-radius: 30px; background: linear-gradient(135deg,#fff,#fff1f6); border: 1px solid var(--border); box-shadow: var(--strong-shadow); }
.story-stack { display: grid; gap: 14px; }
.story-card { padding: 20px; }
.tag { display: inline-flex; min-height: 30px; align-items: center; padding: 0 12px; border-radius: 999px; background: var(--soft-purple); color: var(--deep-purple); font-size: 13px; font-weight: 800; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-card { overflow: hidden; border-radius: 26px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.gallery-art { aspect-ratio: 4/3; position: relative; background: linear-gradient(145deg, #ffd9e5, #fff 45%, #e3dcff); }
.gallery-art::before { content: ""; position: absolute; width: 38%; height: 52%; left: 12%; bottom: 0; border-radius: 80px 80px 0 0; background: rgba(255,92,152,.32); }
.gallery-art::after { content: ""; position: absolute; width: 48%; height: 32%; right: 8%; bottom: 12%; border-radius: 60% 40% 30% 50%; background: rgba(98,80,176,.22); }
.gallery-card:nth-child(2n) .gallery-art { background: linear-gradient(145deg,#e8e3ff,#fff 48%,#ffe1e9); }
.gallery-card:nth-child(3n) .gallery-art { background: linear-gradient(145deg,#fff1d8,#fff 48%,#ffd9e8); }
.gallery-copy { padding: 22px; }
.interest-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.interest-item { padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--border); }
.interest-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 16px; margin-bottom: 16px; background: var(--soft-pink); color: var(--berry); font-size: 22px; }
.topic-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.topic-card { padding: 22px; }
.topic-card:nth-child(2n) { transform: translateY(16px); }
.journal-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.journal-paper { padding: 34px; border-radius: 28px; background: repeating-linear-gradient(#fff 0,#fff 35px,#f3eefa 36px); border: 1px solid var(--border); box-shadow: var(--shadow); }
.journal-list { display: grid; gap: 14px; }
.journal-note { padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--border); }
.app-showcase { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.phone-mock { width: min(360px,100%); margin: 0 auto; padding: 18px; border-radius: 46px; background: #30252b; box-shadow: 0 30px 70px rgba(49,38,44,.2); }
.phone-screen { min-height: 590px; padding: 28px 20px; border-radius: 32px; background: linear-gradient(180deg,#fff,#fff1f6); }
.phone-pill { width: 80px; height: 8px; margin: 0 auto 24px; border-radius: 99px; background: #30252b; }
.phone-card { padding: 18px; margin: 14px 0; border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.principle-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.principle { padding: 20px; border-left: 4px solid var(--pink); border-radius: 16px; background: #fff; }
.safety-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.safety-card { padding: 32px; border-radius: 30px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.feedback-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.feedback-card { padding: 22px; color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--border); background: #fff; border-radius: 18px; padding: 0 20px; }
summary { cursor: pointer; min-height: 64px; display: flex; align-items: center; color: var(--title); font-weight: 850; }
details p { padding: 0 0 20px; color: var(--muted); }
.inner-hero { padding: 72px 0 54px; background: linear-gradient(180deg,var(--soft-pink),var(--bg)); }
.inner-hero .container { display: grid; grid-template-columns: 1.2fr .8fr; gap: 42px; align-items: center; }
.inner-hero p { font-size: 18px; color: var(--muted); }
.inner-art { min-height: 290px; border-radius: 32px; position: relative; overflow: hidden; background: linear-gradient(135deg,#ffdce8,#fff 50%,#e6e0ff); box-shadow: var(--strong-shadow); }
.inner-art::before, .inner-art::after { content: ""; position: absolute; border-radius: 50%; }
.inner-art::before { width: 220px; height: 220px; left: 12%; top: 20%; background: rgba(255,92,152,.2); }
.inner-art::after { width: 180px; height: 180px; right: 12%; bottom: -30px; background: rgba(139,116,232,.22); }
.inner-art .mini-note { position: absolute; left: 24%; top: 29%; z-index: 1; width: 54%; padding: 24px; border-radius: 24px; background: rgba(255,255,255,.86); box-shadow: var(--shadow); transform: rotate(-3deg); }
.article-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.article-card { padding: 28px; }
.article-card p { color: var(--muted); }
.article-card:nth-child(3n) { background: var(--soft-purple); }
.steps-box { padding: 34px; border-radius: 30px; background: #30252b; color: #ffedf4; }
.steps-box h2 { color: #fff; }
.steps-list { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; counter-reset: step; }
.steps-list li { list-style: none; padding: 18px; border-radius: 18px; background: rgba(255,255,255,.08); }
.steps-list li::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 30px; height: 30px; margin-bottom: 12px; border-radius: 50%; background: var(--pink); color: #fff; font-weight: 900; }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { min-height: 46px; display: inline-flex; align-items: center; padding: 0 18px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--berry); font-weight: 800; }
.site-footer { background: #30252B; color: #FFEAF2; padding: 66px 0 calc(24px + env(safe-area-inset-bottom)); }
.footer-inner { width: min(var(--max),calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: 1.4fr repeat(4,1fr); gap: 28px; }
.footer-brand p { max-width: 300px; color: rgba(255,234,242,.72); }
.footer-group h2 { color: #fff; font-size: 16px; }
.footer-group a { display: block; min-height: 38px; color: rgba(255,234,242,.78); }
.footer-group a:hover { color: #fff; }
.footer-note { width: min(var(--max),calc(100% - 32px)); margin: 40px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 20px; color: rgba(255,234,242,.64); font-size: 14px; }
.site-overlay { position: fixed; inset: 0; z-index: 1190; background: rgba(49,38,44,.28); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .22s ease, visibility .22s ease; }
.site-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; padding: 34px max(16px,calc((100% - 1220px)/2)); background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--strong-shadow); transform: translateY(-110%); visibility: hidden; pointer-events: none; transition: transform .26s ease, visibility .26s ease; }
.channel-panel.is-open { transform: translateY(0); visibility: visible; pointer-events: auto; }
.channel-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; }
.channel-head h2 { font-size: 32px; }
.panel-close { width: 44px; height: 44px; border-radius: 50%; background: var(--soft-gray); color: var(--title); font-size: 28px; }
.channel-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.channel-column h3 { padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.channel-column a { display: block; min-height: 64px; padding: 12px; margin: 6px -12px; border-radius: 14px; }
.channel-column a:hover { background: var(--soft-pink); }
.channel-column strong { display: block; color: var(--title); }
.channel-column span { display: block; color: var(--muted); font-size: 13px; }
.mobile-drawer { position: fixed; z-index: 1210; top: 0; right: 0; width: min(88vw,390px); height: 100dvh; background: #fff; transform: translateX(110%); visibility: hidden; pointer-events: none; transition: transform .25s ease, visibility .25s ease; box-shadow: -20px 0 60px rgba(49,38,44,.18); overflow-y: auto; }
.mobile-drawer.is-open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.drawer-head { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between; min-height: 74px; padding: 12px 18px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); }
.drawer-head button { width: 44px; height: 44px; border-radius: 50%; background: var(--soft-gray); font-size: 28px; }
.drawer-nav { padding: 12px 16px 40px; }
.drawer-nav a { min-height: 50px; display: flex; align-items: center; padding: 0 14px; border-radius: 14px; color: var(--title); font-weight: 750; }
.drawer-nav a:hover { background: var(--soft-pink); color: var(--berry); }
.mobile-bottom-nav { display: none; }
@media (max-width: 1060px) {
  .nav-link { padding: 0 9px; font-size: 14px; }
  .topic-grid { grid-template-columns: repeat(3,1fr); }
  .topic-card:nth-child(2n) { transform: none; }
  .principle-grid { grid-template-columns: repeat(3,1fr); }
  .footer-inner { grid-template-columns: 1.4fr repeat(2,1fr); }
}
@media (max-width: 860px) {
  :root { --header-h: 70px; }
  .nav-shell { grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .brand-mark { min-width: 0; justify-self: start; }
  .mobile-actions { display: flex; }
  .hero { padding-top: 50px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-center { order: -1; }
  .hero-side { max-width: 640px; margin: 0 auto; }
  .index-grid, .gallery-grid, .feedback-grid { grid-template-columns: repeat(2,1fr); }
  .interest-grid { grid-template-columns: repeat(2,1fr); }
  .feature-layout, .journal-wrap, .app-showcase, .inner-hero .container { grid-template-columns: 1fr; }
  .inner-art { min-height: 240px; }
  .topic-grid, .principle-grid { grid-template-columns: repeat(2,1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .steps-list { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: repeat(2,1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .channel-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 620px) {
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .container { width: min(100% - 32px,var(--max)); }
  .section { padding: 54px 0; }
  h1 { font-size: 40px; letter-spacing: -1.3px; }
  h2 { font-size: 30px; }
  .hero-center p, .inner-hero p { font-size: 16px; }
  .hero-visual { min-height: 420px; }
  .visual-card.one { width: 70%; left: 8%; top: 8%; }
  .visual-card.two { width: 68%; left: 24%; top: 37%; }
  .visual-card.three { width: 72%; right: 8%; bottom: 7%; }
  .index-grid, .gallery-grid, .feedback-grid, .interest-grid, .topic-grid, .principle-grid, .safety-grid, .steps-list { grid-template-columns: 1fr; }
  .feature-main { padding: 26px; }
  .phone-screen { min-height: 500px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-note { flex-direction: column; }
  .channel-panel { display: none; }
  .mobile-bottom-nav { position: fixed; z-index: 950; left: 10px; right: 10px; bottom: calc(8px + env(safe-area-inset-bottom)); min-height: 62px; display: grid; grid-template-columns: repeat(4,1fr); padding: 6px; border-radius: 22px; background: rgba(255,255,255,.96); border: 1px solid var(--border); box-shadow: 0 16px 50px rgba(49,38,44,.16); backdrop-filter: blur(16px); }
  .mobile-bottom-nav a { min-height: 50px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 16px; color: var(--muted); font-size: 12px; font-weight: 800; }
  .mobile-bottom-nav a span { font-size: 20px; line-height: 1; }
  .mobile-bottom-nav a.is-active { background: var(--soft-pink); color: var(--berry); }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}