:root {
  --bg: #FFF8FB;
  --surface: #FFFFFF;
  --soft-pink: #FFF0F6;
  --soft-purple: #F7F3FF;
  --soft-gray: #F8F4F6;
  --title: #32262D;
  --text: #51444C;
  --muted: #7C6D76;
  --quiet: #A09199;
  --pink: #FF5D9E;
  --berry: #D94C83;
  --coral: #FF8EAC;
  --purple: #8C76E8;
  --deep-purple: #6753B5;
  --border: rgba(255,93,158,.15);
  --shadow: 0 14px 36px rgba(76,48,66,.08);
  --strong-shadow: 0 18px 46px rgba(217,76,131,.15);
  --footer: #30242B;
  --footer-text: #FFEAF2;
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--berry); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
:focus-visible { outline: 3px solid rgba(140,118,232,.45); outline-offset: 3px; }
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; transform: translateY(-160%); background: var(--surface); padding: 10px 14px; border-radius: 12px; box-shadow: var(--shadow); }
.skip-link:focus { transform: translateY(0); }
.top-note { background: #FDEBF3; border-bottom: 1px solid var(--border); font-size: 14px; }
.top-note-inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.top-note p { margin: 0; color: var(--muted); }
.top-note-links { display: flex; gap: 18px; }
.site-header { position: sticky; top: 0; z-index: 80; }
.main-nav { background: rgba(255,255,255,.94); border-bottom: 1px solid var(--border); backdrop-filter: blur(18px); }
.nav-inner { height: 72px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: var(--title); white-space: nowrap; }
.brand-mark { width: 38px; height: 38px; border-radius: 13px; display: inline-grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--coral), var(--pink) 52%, var(--purple)); box-shadow: var(--strong-shadow); }
.desktop-links { display: flex; justify-content: center; align-items: center; gap: 6px; min-width: 0; }
.desktop-links a { padding: 10px 14px; border-radius: 999px; color: var(--muted); font-weight: 700; white-space: nowrap; }
.desktop-links a.is-active { color: var(--berry); background: var(--soft-pink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.button, .channel-button, .mobile-menu-button, .mobile-experience { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-weight: 800; white-space: nowrap; }
.button { padding: 12px 20px; color: #fff; background: linear-gradient(135deg, var(--coral), var(--pink) 52%, var(--purple)); box-shadow: var(--strong-shadow); }
.button:hover { color: #fff; transform: translateY(-1px); }
.button-secondary { padding: 11px 18px; border: 1px solid var(--border); background: var(--surface); color: var(--berry); box-shadow: var(--shadow); }
.button-small { min-height: 42px; padding: 9px 17px; }
.channel-button, .mobile-menu-button { border: 1px solid var(--border); background: var(--surface); padding: 9px 16px; cursor: pointer; }
.mobile-menu-button, .mobile-experience { display: none; }
main { min-height: 60vh; }
.section { padding: 86px 0; }
.section-tight { padding: 58px 0; }
.section-soft { background: var(--soft-pink); }
.section-purple { background: var(--soft-purple); }
.section-gray { background: var(--soft-gray); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.section-head h2, .section h2 { margin: 0 0 10px; color: var(--title); font-size: clamp(28px, 4vw, 46px); line-height: 1.2; letter-spacing: -.02em; }
.section-head p, .section-lead { max-width: 720px; margin: 0; color: var(--muted); }
.eyebrow { display: inline-block; margin-bottom: 10px; color: var(--berry); font-weight: 800; letter-spacing: .08em; font-size: 13px; }
.text-link { color: var(--berry); font-weight: 800; }
.hero { padding: 72px 0 56px; background: radial-gradient(circle at 85% 12%, rgba(140,118,232,.13), transparent 25%), radial-gradient(circle at 15% 18%, rgba(255,93,158,.14), transparent 28%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .75fr .72fr; align-items: center; gap: 34px; }
.hero-copy h1 { margin: 0 0 16px; font-size: clamp(44px, 6vw, 76px); color: var(--title); line-height: 1.04; letter-spacing: -.045em; }
.hero-brand { color: var(--pink); font-weight: 900; font-size: 15px; letter-spacing: .12em; }
.hero-copy p { font-size: 18px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 28px; }
.phone-visual { position: relative; min-height: 560px; display: grid; place-items: center; }
.phone-shell { width: min(310px, 100%); min-height: 548px; padding: 14px; border-radius: 44px; background: #2E252A; box-shadow: 0 32px 80px rgba(76,48,66,.22); transform: rotate(2deg); }
.phone-screen { min-height: 520px; border-radius: 33px; padding: 22px; background: linear-gradient(180deg,#FFF6FA,#F7F3FF); overflow: hidden; }
.phone-top { width: 76px; height: 8px; margin: 0 auto 28px; border-radius: 999px; background: #D9CCD3; }
.phone-story { height: 170px; border-radius: 24px; background: linear-gradient(145deg, rgba(255,142,172,.9), rgba(140,118,232,.9)); position: relative; overflow: hidden; }
.phone-story::after { content: "记录今天的小片段"; position: absolute; left: 18px; right: 18px; bottom: 18px; color: #fff; font-weight: 800; font-size: 18px; }
.phone-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.phone-card { min-height: 95px; border-radius: 18px; background: #fff; padding: 14px; box-shadow: var(--shadow); }
.phone-card strong { color: var(--title); display: block; }
.hero-side { display: grid; gap: 18px; }
.info-card, .card { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); }
.info-card { padding: 26px; }
.info-card h2 { font-size: 22px; margin: 0 0 10px; color: var(--title); }
.info-card p { margin: 0; color: var(--muted); }
.topic-strip { display: grid; grid-template-columns: repeat(8, minmax(130px,1fr)); gap: 14px; overflow-x: auto; padding: 4px 2px 18px; scroll-snap-type: x proximity; }
.topic-chip { scroll-snap-align: start; min-width: 140px; padding: 18px; border-radius: 20px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.topic-chip strong { display: block; color: var(--title); margin-bottom: 5px; }
.topic-chip span { color: var(--muted); font-size: 14px; }
.magazine-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 20px; }
.story-card { padding: 26px; min-height: 260px; display: flex; flex-direction: column; justify-content: end; position: relative; overflow: hidden; background: linear-gradient(145deg,#FFF,#FFF0F6); }
.story-card::before { content: ""; position: absolute; width: 180px; height: 180px; right: -50px; top: -70px; border-radius: 50%; background: rgba(255,93,158,.12); }
.story-card.featured { grid-row: span 2; min-height: 540px; background: linear-gradient(150deg,#FCE4EE,#F4EFFF 65%,#FFF); }
.story-card h3, .circle-card h3, .topic-card h3, .service-card h3 { margin: 0 0 10px; color: var(--title); font-size: 23px; line-height: 1.3; }
.story-card p, .circle-card p, .topic-card p, .service-card p { margin: 0 0 14px; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.tag { padding: 5px 10px; border-radius: 999px; background: rgba(255,93,158,.11); color: var(--berry); font-size: 13px; font-weight: 700; }
.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.circle-card, .topic-card, .service-card { padding: 26px; }
.circle-card ul, .service-card ul { padding-left: 20px; margin: 12px 0 18px; }
.timeline { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; counter-reset: item; }
.timeline article { position: relative; padding: 28px; background: var(--surface); border-radius: 24px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.timeline article::before { counter-increment: item; content: counter(item, decimal-leading-zero); display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--soft-purple); color: var(--deep-purple); font-weight: 900; }
.timeline h3 { color: var(--title); }
.diary-wrap, .app-wrap, .security-split, .about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.abstract-art { min-height: 420px; border-radius: 32px; background: radial-gradient(circle at 30% 25%,rgba(255,255,255,.85),transparent 18%), radial-gradient(circle at 70% 70%,rgba(255,142,172,.65),transparent 24%), linear-gradient(145deg,#EDE5FF,#FFDCE9); box-shadow: var(--strong-shadow); position: relative; overflow: hidden; }
.abstract-art::before, .abstract-art::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.62); }
.abstract-art::before { width: 210px; height: 210px; right: -40px; top: 40px; }
.abstract-art::after { width: 120px; height: 120px; left: 48px; bottom: 40px; }
.advice-grid, .feedback-grid, .faq-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.advice-grid article, .feedback-grid blockquote, .faq-grid details { margin: 0; padding: 24px; border-radius: 22px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.feedback-grid blockquote p { margin: 0; }
.security-split article { padding: 32px; border-radius: 28px; background: var(--surface); box-shadow: var(--shadow); border: 1px solid var(--border); }
.security-split ul { padding-left: 22px; }
details summary { cursor: pointer; color: var(--title); font-weight: 800; }
details p { color: var(--muted); }
.inner-hero { padding: 72px 0 48px; background: radial-gradient(circle at 80% 15%, rgba(140,118,232,.14), transparent 26%), linear-gradient(180deg,var(--soft-pink),var(--bg)); }
.inner-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 34px; }
.inner-hero h1 { margin: 0 0 14px; font-size: clamp(40px,6vw,68px); line-height: 1.06; color: var(--title); letter-spacing: -.035em; }
.inner-hero p { margin: 0; max-width: 820px; font-size: 18px; color: var(--muted); }
.page-badge { justify-self: end; max-width: 320px; padding: 24px; border-radius: 24px; background: rgba(255,255,255,.82); border: 1px solid var(--border); box-shadow: var(--shadow); }
.page-badge strong { color: var(--title); display: block; margin-bottom: 8px; }
.content-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.content-card { padding: 30px; border-radius: 26px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.content-card h2, .content-card h3 { color: var(--title); margin-top: 0; }
.content-card p { margin: 0 0 14px; }
.content-card ul, .content-card ol { margin: 12px 0 18px; padding-left: 22px; }
.content-card.accent { background: linear-gradient(145deg,#FFF,#FFF1F7); }
.content-card.purple { background: linear-gradient(145deg,#FFF,#F6F2FF); }
.step-list { display: grid; gap: 16px; counter-reset: steps; }
.step-list article { padding: 24px 24px 24px 80px; position: relative; border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); border: 1px solid var(--border); }
.step-list article::before { counter-increment: steps; content: counter(steps); position: absolute; left: 24px; top: 24px; width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg,var(--coral),var(--purple)); color: #fff; font-weight: 900; }
.notice-band { padding: 26px 30px; border-radius: 24px; background: #FFF4F8; border: 1px solid var(--border); }
.notice-band strong { color: var(--berry); }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 9px 15px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); color: var(--berry); font-weight: 800; }
.service-tip { margin-top: 26px; padding: 24px; border-radius: 22px; background: var(--soft-purple); }
.site-footer { background: var(--footer); color: var(--footer-text); padding: 66px 0 calc(28px + env(safe-area-inset-bottom)); }
.footer-grid { display: grid; grid-template-columns: 1.35fr repeat(4,1fr); gap: 34px; }
.site-footer h2 { font-size: 16px; margin: 0 0 14px; color: #fff; }
.site-footer a { display: block; margin: 8px 0; color: rgba(255,234,242,.78); }
.site-footer a:hover { color: #fff; }
.footer-brand p { color: rgba(255,234,242,.72); }
.footer-logo { color: #fff; margin-bottom: 16px; }
.footer-bottom { margin-top: 42px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 24px; color: rgba(255,234,242,.72); font-size: 14px; }
.menu-overlay { position: fixed; inset: 0; background: rgba(48,36,43,.35); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .22s ease, visibility .22s ease; z-index: 89; }
.menu-overlay.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
.desktop-panel { position: fixed; left: 0; right: 0; top: 106px; z-index: 90; transform: translateY(-120%); visibility: hidden; pointer-events: none; transition: transform .25s ease, visibility .25s ease; }
.desktop-panel.is-open { transform: translateY(0); visibility: visible; pointer-events: auto; }
.panel-inner { background: var(--surface); border: 1px solid var(--border); border-radius: 0 0 30px 30px; box-shadow: var(--strong-shadow); padding: 30px; }
.panel-head { display: flex; justify-content: space-between; align-items: start; gap: 20px; border-bottom: 1px solid var(--border); padding-bottom: 20px; }
.panel-head h2 { margin: 0; color: var(--title); }
.panel-close, .mobile-panel-head button { min-height: 44px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); cursor: pointer; }
.channel-groups { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; padding-top: 22px; }
.channel-groups h3 { color: var(--title); margin: 0 0 12px; }
.channel-groups a { display: block; padding: 12px; border-radius: 16px; }
.channel-groups a:hover { background: var(--soft-pink); }
.channel-groups strong, .channel-groups span { display: block; }
.channel-groups span { color: var(--muted); font-size: 13px; }
.mobile-panel { display: none; }
.mobile-bottom-nav { display: none; }
@media (max-width: 980px) {
  .container { width: min(var(--max), calc(100% - 32px)); }
  .desktop-links, .nav-actions { display: none; }
  .nav-inner { grid-template-columns: 1fr auto 1fr; gap: 12px; }
  .mobile-menu-button, .mobile-experience { display: inline-flex; }
  .mobile-menu-button { justify-self: start; padding: 8px 12px; }
  .mobile-experience { justify-self: end; min-width: 58px; padding: 8px 12px; color: #fff; background: linear-gradient(135deg,var(--coral),var(--pink),var(--purple)); }
  .brand { justify-self: center; }
  .brand-mark { width: 34px; height: 34px; }
  .desktop-panel { display: none; }
  .mobile-panel { display: block; position: fixed; left: 0; right: 0; bottom: 0; max-height: 85vh; background: var(--surface); border-radius: 28px 28px 0 0; z-index: 91; transform: translateY(110%); visibility: hidden; pointer-events: none; transition: transform .25s ease, visibility .25s ease; padding-bottom: env(safe-area-inset-bottom); }
  .mobile-panel.is-open { transform: translateY(0); visibility: visible; pointer-events: auto; }
  .drag-handle { width: 46px; height: 5px; border-radius: 999px; background: #DCCFD6; margin: 10px auto 4px; }
  .mobile-panel-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 18px; border-bottom: 1px solid var(--border); }
  .mobile-channel-list { padding: 12px 16px 24px; overflow-y: auto; max-height: calc(85vh - 70px - env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
  .mobile-channel-list a { min-height: 48px; display: flex; align-items: center; padding: 10px 14px; border-radius: 16px; background: var(--soft-gray); font-weight: 700; }
  .hero-grid, .inner-hero-grid { grid-template-columns: 1fr; }
  .hero-side { grid-template-columns: 1fr 1fr; }
  .page-badge { justify-self: start; max-width: none; }
  .magazine-grid { grid-template-columns: 1fr 1fr; }
  .story-card.featured { grid-row: auto; grid-column: span 2; min-height: 390px; }
  .card-grid, .timeline { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .footer-brand { grid-column: span 2; }
  .channel-groups { grid-template-columns: repeat(2,1fr); }
  .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; display: grid; grid-template-columns: repeat(5,1fr); background: rgba(255,255,255,.96); border-top: 1px solid var(--border); padding: 7px 8px calc(7px + env(safe-area-inset-bottom)); backdrop-filter: blur(16px); }
  .mobile-bottom-nav a { min-height: 50px; display: grid; place-items: center; align-content: center; gap: 1px; color: var(--muted); font-size: 12px; border-radius: 14px; }
  .mobile-bottom-nav a span { font-size: 18px; line-height: 1; }
  .mobile-bottom-nav a.is-active { color: var(--berry); background: var(--soft-pink); }
  .site-footer { padding-bottom: calc(95px + env(safe-area-inset-bottom)); }
}
@media (max-width: 680px) {
  .container { width: min(var(--max), calc(100% - 32px)); }
  .top-note-inner { min-height: 32px; }
  .top-note-links .top-community { display: none; }
  .top-note-links { gap: 0; }
  .nav-inner { height: 64px; }
  .brand span:last-child { font-size: 15px; }
  .section { padding: 64px 0; }
  .section-head { align-items: start; flex-direction: column; }
  .hero { padding-top: 54px; }
  .hero-copy h1 { font-size: 48px; }
  .hero-copy p { font-size: 16px; }
  .phone-visual { min-height: 470px; }
  .phone-shell { width: 260px; min-height: 445px; }
  .phone-screen { min-height: 417px; }
  .hero-side, .magazine-grid, .card-grid, .timeline, .diary-wrap, .app-wrap, .security-split, .about-wrap, .advice-grid, .feedback-grid, .faq-grid, .content-grid { grid-template-columns: 1fr; }
  .story-card.featured { grid-column: auto; min-height: 330px; }
  .topic-strip { grid-template-columns: repeat(8, 160px); }
  .abstract-art { min-height: 300px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 18px; }
  .footer-brand { grid-column: span 2; }
  .footer-bottom { flex-direction: column; }
  .inner-hero { padding-top: 54px; }
  .inner-hero h1 { font-size: 46px; }
  .content-card { padding: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}