:root {
    --bg: #FFF7FB;
    --surface: #FFFFFF;
    --surface-pink: #FFF0F6;
    --surface-purple: #F6F1FF;
    --title: #332631;
    --text: #514451;
    --muted: #807080;
    --pink: #FF629F;
    --pink-dark: #E94D8E;
    --peach: #FF9BBC;
    --purple: #936BFF;
    --border: rgba(255, 98, 159, 0.16);
    --footer: #30232D;
    --footer-text: #FFEAF3;
    --shadow: 0 18px 50px rgba(107, 61, 91, 0.10);
    --radius-lg: 28px;
    --radius-md: 20px;
    --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; pointer-events: auto; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid rgba(147, 107, 255, 0.34); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1300; padding: 10px 16px; border-radius: 12px; background: var(--surface); color: var(--title); box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }

.container { width: min(1220px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 900; background: rgba(255, 247, 251, 0.88); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); box-shadow: 0 8px 30px rgba(75, 45, 65, 0.06); }
.header-inner { width: min(1260px, calc(100% - 32px)); min-height: var(--header-h); margin-inline: auto; display: flex; align-items: center; gap: 24px; }
.desktop-header { justify-content: space-between; }
.mobile-header { display: none; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; min-height: 44px; }
.brand-logo { width: auto; max-width: 168px; max-height: 52px; object-fit: contain; }
.brand-text { font-weight: 800; font-size: 1.32rem; letter-spacing: .04em; color: var(--title); white-space: nowrap; }
.main-nav { display: flex; justify-content: center; align-items: center; gap: clamp(14px, 2vw, 28px); flex: 1 1 auto; white-space: nowrap; }
.main-nav a { position: relative; display: inline-flex; min-height: 44px; align-items: center; font-size: .96rem; color: var(--muted); }
.main-nav a::after { content: ""; position: absolute; left: 16%; right: 16%; bottom: 5px; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--peach), var(--pink), var(--purple)); transform: scaleX(0); transition: transform .2s ease; pointer-events: none; }
.main-nav a:hover, .main-nav a.is-active { color: var(--title); }
.main-nav a.is-active::after, .main-nav a:hover::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.button, .menu-button, .drawer-close { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; border: 0; border-radius: 999px; font-weight: 700; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease; }
.button { padding: 0 24px; color: #fff; background: linear-gradient(135deg, var(--peach) 0%, var(--pink) 50%, var(--purple) 100%); box-shadow: 0 12px 28px rgba(233, 77, 142, .22); white-space: nowrap; }
.button:hover, .menu-button:hover, .drawer-close:hover { transform: translateY(-2px); }
.button:active, .menu-button:active, .drawer-close:active { transform: translateY(0); }
.button-small { min-height: 44px; padding-inline: 20px; font-size: .94rem; }
.button-secondary { color: var(--pink-dark); background: var(--surface); border: 1px solid var(--border); box-shadow: none; }
.menu-button, .drawer-close { padding: 0 18px; color: var(--title); background: var(--surface); border: 1px solid var(--border); }

.drawer-overlay { position: fixed; inset: 0; z-index: 1000; background: rgba(48, 35, 45, .44); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .22s ease, visibility .22s ease; }
.drawer-overlay.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
.site-drawer { position: fixed; inset: 0 0 0 auto; z-index: 1100; width: min(400px, 88vw); padding: 22px; background: var(--surface); box-shadow: -20px 0 60px rgba(48, 35, 45, .18); transform: translateX(104%); opacity: 0; visibility: hidden; pointer-events: none; transition: transform .24s ease, opacity .24s ease, visibility .24s ease; overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); opacity: 1; visibility: visible; pointer-events: auto; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 20px 0 40px; }
.drawer-nav a { display: flex; align-items: center; min-height: 48px; padding: 10px 14px; border-radius: 14px; background: var(--surface-pink); color: var(--title); }
.drawer-nav a:hover { background: var(--surface-purple); }

main { display: block; }
.hero, .page-hero { position: relative; overflow: hidden; }
.hero::before, .page-hero::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: rgba(255, 155, 188, .22); filter: blur(8px); top: -180px; right: -120px; pointer-events: none; }
.hero::after, .page-hero::after { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: rgba(147, 107, 255, .12); left: -120px; bottom: -120px; pointer-events: none; }
.hero { padding: clamp(70px, 10vw, 128px) 0 78px; }
.page-hero { padding: 76px 0 54px; }
.hero-grid, .page-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); align-items: center; gap: clamp(36px, 6vw, 84px); }
.eyebrow { display: inline-flex; align-items: center; min-height: 34px; padding: 4px 13px; border-radius: 999px; color: var(--pink-dark); background: var(--surface-pink); border: 1px solid var(--border); font-size: .9rem; font-weight: 700; }
h1, h2, h3 { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { margin: 18px 0 22px; font-size: clamp(2.55rem, 6vw, 5.5rem); letter-spacing: -.045em; }
.page-hero h1 { font-size: clamp(2.3rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.75rem); letter-spacing: -.025em; }
h3 { font-size: 1.14rem; }
.lead { max-width: 780px; margin: 0; color: var(--text); font-size: clamp(1.03rem, 1.45vw, 1.18rem); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--pink-dark); font-weight: 700; }
.text-link::after { content: "→"; margin-left: 8px; transition: transform .18s ease; }
.text-link:hover::after { transform: translateX(4px); }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; padding: 0; list-style: none; }
.hero-points li { padding: 9px 13px; border-radius: 999px; background: rgba(255,255,255,.76); border: 1px solid var(--border); color: var(--muted); font-size: .92rem; }
.hero-media, .page-media { min-height: 360px; display: grid; place-items: center; padding: 28px; border-radius: 36px; background: linear-gradient(145deg, var(--surface), var(--surface-purple)); border: 1px solid var(--border); box-shadow: var(--shadow); }
.hero-media img, .page-media img { max-height: 520px; object-fit: contain; }
.css-visual { width: min(100%, 420px); aspect-ratio: 4/5; border-radius: 32px; background: linear-gradient(145deg, #fff, #FFF0F6 52%, #F6F1FF); border: 1px solid var(--border); box-shadow: inset 0 0 0 10px rgba(255,255,255,.55); position: relative; overflow: hidden; }
.css-visual::before { content: ""; position: absolute; width: 190px; height: 190px; border-radius: 50%; background: linear-gradient(135deg, var(--peach), var(--pink)); top: 52px; left: 50%; transform: translateX(-50%); opacity: .86; }
.css-visual::after { content: "生活 · 兴趣 · 交流"; position: absolute; left: 24px; right: 24px; bottom: 44px; min-height: 88px; display: grid; place-items: center; border-radius: 22px; background: rgba(255,255,255,.9); color: var(--title); font-weight: 800; letter-spacing: .08em; box-shadow: 0 16px 36px rgba(75,45,65,.08); }

.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-tight { padding: 52px 0; }
.section-soft { background: var(--surface-pink); }
.section-purple { background: var(--surface-purple); }
.section-head { max-width: 790px; margin-bottom: 36px; }
.section-head p { margin: 0; color: var(--muted); }
.grid-2, .grid-3, .grid-4 { 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)); }
.card { padding: 26px; border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); box-shadow: 0 12px 34px rgba(75,45,65,.06); }
.card p:last-child { margin-bottom: 0; }
.card .number { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 16px; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--peach), var(--pink), var(--purple)); font-weight: 800; }
.channel-card { min-height: 210px; display: flex; flex-direction: column; }
.channel-card .text-link { margin-top: auto; }
.tag-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.tag { display: inline-flex; padding: 6px 11px; border-radius: 999px; background: var(--surface-purple); color: var(--purple); font-size: .86rem; }
.content-split { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(300px, .77fr); gap: clamp(32px, 6vw, 76px); align-items: center; }
.content-split.reverse > :first-child { order: 2; }
.content-copy p { margin: 0 0 18px; }
.content-image-wrap { min-height: 330px; display: grid; place-items: center; padding: 26px; border-radius: 32px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.content-image { max-height: 480px; object-fit: contain; }
.info-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--border); border-radius: 24px; background: var(--border); }
.info-strip article { padding: 24px; background: var(--surface); }
.mosaic { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 18px; }
.mosaic article { min-height: 220px; padding: 26px; border-radius: 24px; background: var(--surface); border: 1px solid var(--border); }
.mosaic article:first-child { grid-row: span 2; min-height: 458px; background: linear-gradient(155deg, var(--surface), var(--surface-pink)); }
.mosaic article:nth-child(4) { grid-column: 2 / 4; }
.quote-card { position: relative; padding-top: 54px; }
.quote-card::before { content: "“"; position: absolute; top: 10px; left: 22px; font-size: 4rem; line-height: 1; color: rgba(255,98,159,.25); font-family: Georgia, serif; }
.faq-list { display: grid; gap: 14px; }
details { border: 1px solid var(--border); border-radius: 18px; background: var(--surface); overflow: hidden; }
summary { min-height: 58px; display: flex; align-items: center; cursor: pointer; padding: 15px 20px; color: var(--title); font-weight: 750; }
details p { margin: 0; padding: 0 20px 20px; color: var(--text); }
.notice { padding: 28px; border-radius: 24px; background: linear-gradient(135deg, var(--surface-pink), var(--surface-purple)); border: 1px solid var(--border); }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 38px; border-radius: 30px; color: var(--text); background: linear-gradient(135deg, #fff, #FFF0F6 48%, #F6F1FF); border: 1px solid var(--border); box-shadow: var(--shadow); }
.cta-panel h2 { margin-bottom: 8px; }
.cta-panel p { margin: 0; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; color: var(--muted); font-size: .9rem; }
.breadcrumbs a { color: var(--pink-dark); }
.article-flow { max-width: 880px; }
.article-flow h2 { margin-top: 52px; }
.article-flow h3 { margin-top: 30px; }
.article-flow p, .article-flow li { color: var(--text); }
.article-flow ul, .article-flow ol { padding-left: 1.35em; }
.steps { counter-reset: step; display: grid; gap: 18px; }
.step { position: relative; padding: 24px 24px 24px 82px; border-radius: 22px; background: var(--surface); border: 1px solid var(--border); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 24px; top: 24px; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--pink), var(--purple)); font-weight: 800; }
.timeline { position: relative; display: grid; gap: 18px; }
.timeline::before { content: ""; position: absolute; left: 22px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
.timeline article { position: relative; padding: 8px 0 8px 62px; }
.timeline article::before { content: ""; position: absolute; left: 14px; top: 17px; width: 18px; height: 18px; border-radius: 50%; background: var(--pink); border: 4px solid var(--surface); box-shadow: 0 0 0 1px var(--border); }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); color: var(--pink-dark); font-weight: 700; }

.site-footer { padding: 70px 0 24px; background: var(--footer); color: var(--footer-text); }
.footer-grid { display: grid; grid-template-columns: 1.35fr repeat(4, 1fr); gap: 28px; }
.site-footer .brand-text, .site-footer h2 { color: #fff; }
.site-footer h2 { font-size: 1rem; margin-bottom: 14px; }
.site-footer nav { display: flex; flex-direction: column; gap: 10px; }
.site-footer a { color: var(--footer-text); opacity: .86; }
.site-footer a:hover { opacity: 1; }
.footer-brand p { max-width: 340px; margin-bottom: 0; opacity: .8; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(255,234,243,.14); font-size: .88rem; opacity: .76; }
.footer-bottom p { margin: 0; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1040px) {
    .main-nav { gap: 14px; }
    .main-nav a { font-size: .9rem; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.4fr repeat(2, 1fr); }
}

@media (max-width: 820px) {
    :root { --header-h: 66px; }
    .desktop-header { display: none; }
    .mobile-header { display: flex; justify-content: space-between; gap: 10px; }
    .mobile-header > * { min-width: 0; }
    .mobile-brand { justify-content: center; flex: 1 1 auto; }
    .mobile-brand .brand-logo { max-width: 132px; max-height: 42px; }
    .mobile-brand .brand-text { font-size: 1.12rem; }
    .mobile-try { padding-inline: 16px; }
    .hero { padding-top: 54px; }
    .hero-grid, .page-hero-grid, .content-split { grid-template-columns: 1fr; }
    .content-split.reverse > :first-child { order: initial; }
    .hero-media, .page-media { min-height: 300px; }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .info-strip { grid-template-columns: 1fr; }
    .mosaic { grid-template-columns: 1fr 1fr; }
    .mosaic article:first-child { grid-row: auto; min-height: 260px; }
    .mosaic article:nth-child(4) { grid-column: 1 / 3; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}

@media (max-width: 620px) {
    .container { width: min(100% - 28px, 1220px); }
    .header-inner { width: calc(100% - 20px); }
    .menu-button, .button-small { min-height: 44px; padding-inline: 14px; }
    h1 { font-size: clamp(2.35rem, 14vw, 3.6rem); }
    .hero, .page-hero { padding-bottom: 48px; }
    .hero-actions { align-items: stretch; }
    .hero-actions .button, .hero-actions .button-secondary { width: 100%; }
    .hero-points { display: grid; grid-template-columns: 1fr; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .mosaic { grid-template-columns: 1fr; }
    .mosaic article:nth-child(4) { grid-column: auto; }
    .drawer-nav { grid-template-columns: 1fr; }
    .card, .notice { padding: 22px; }
    .cta-panel { flex-direction: column; align-items: flex-start; padding: 28px 22px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
    .site-footer { padding-bottom: 106px; }
    .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); z-index: 850; display: grid; grid-template-columns: repeat(4, 1fr); min-height: 64px; padding: 6px; border-radius: 22px; background: rgba(255,255,255,.94); border: 1px solid var(--border); box-shadow: 0 14px 42px rgba(48,35,45,.18); backdrop-filter: blur(16px); }
    .mobile-bottom-nav a { min-height: 52px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; border-radius: 16px; color: var(--muted); font-size: .78rem; }
    .mobile-bottom-nav a span { font-size: 1.12rem; line-height: 1; }
    .mobile-bottom-nav a.is-active { color: var(--pink-dark); background: var(--surface-pink); }
    main { padding-bottom: 82px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}