:root {
  --bg: #FFF8FB;
  --surface: #FFFFFF;
  --soft-pink: #FFF0F6;
  --soft-purple: #F7F3FF;
  --soft-gray: #F8F4F6;
  --title: #32262D;
  --text: #51444C;
  --muted: #7C6D76;
  --faint: #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);
  --shadow-strong: 0 18px 46px rgba(217, 76, 131, .15);
  --gradient: linear-gradient(135deg, #FF8EAC 0%, #FF5D9E 52%, #8C76E8 100%);
}
* { 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); }
button, input, textarea { font: inherit; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; background: var(--title); color: white; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.site-sticky { position: sticky; top: 0; z-index: 900; }
.top-note { background: #432F3A; color: #FFEAF2; font-size: 13px; }
.top-note-inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.top-note-links { display: flex; gap: 20px; }
.top-note a { color: #FFEAF2; }
.site-header { background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--border); backdrop-filter: blur(18px); }
.nav-shell { min-height: 76px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { width: auto; height: 42px; object-fit: contain; }
.brand-text { font-size: 24px; line-height: 1; font-weight: 900; letter-spacing: -.03em; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; white-space: nowrap; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; }
.main-nav a { padding: 10px 14px; border-radius: 999px; font-weight: 700; color: var(--muted); white-space: nowrap; }
.main-nav a:hover, .main-nav a.is-current { background: var(--soft-pink); color: var(--berry); }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.button, .channel-button, .mobile-experience { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border: 0; border-radius: 999px; font-weight: 800; cursor: pointer; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease; }
.button { color: #fff; background: var(--gradient); box-shadow: 0 10px 26px rgba(217, 76, 131, .22); }
.button:hover { color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-strong); }
.button-secondary, .channel-button { background: var(--surface); color: var(--berry); border: 1px solid var(--border); box-shadow: none; }
.button-small { min-height: 42px; padding-inline: 18px; }
.text-link { color: var(--berry); font-weight: 800; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: "→"; }
.mobile-only, .mobile-bottom-nav { display: none; }
main { min-height: 60vh; }
.section { padding: 82px 0; position: relative; }
.section-compact { padding: 58px 0; }
.soft-pink { background: var(--soft-pink); }
.soft-purple { background: var(--soft-purple); }
.soft-gray { background: var(--soft-gray); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--berry); font-size: 13px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--gradient); border-radius: 99px; }
h1, h2, h3 { color: var(--title); line-height: 1.2; margin: 0 0 14px; }
h1 { font-size: clamp(38px, 6vw, 74px); letter-spacing: -.055em; }
h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -.035em; }
h3 { font-size: 20px; }
p { margin: 0 0 18px; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 760px; }
.hero { padding: 74px 0 60px; overflow: hidden; }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero::before { width: 360px; height: 360px; background: rgba(255,142,172,.16); left: -180px; top: 90px; }
.hero::after { width: 420px; height: 420px; background: rgba(140,118,232,.12); right: -220px; top: 20px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .8fr .8fr; gap: 32px; align-items: center; }
.hero-copy .brand-kicker { color: var(--berry); font-weight: 900; margin-bottom: 12px; }
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 28px; }
.phone-stage { min-height: 570px; display: grid; place-items: center; }
.phone-mock { width: min(300px, 85%); aspect-ratio: 9 / 18.5; padding: 14px; background: #2F2630; border-radius: 44px; box-shadow: 0 36px 80px rgba(76,48,66,.2); transform: rotate(2deg); }
.phone-screen { height: 100%; border-radius: 33px; background: linear-gradient(180deg, #FFF7FB, #F7F3FF); overflow: hidden; padding: 22px 18px; display: flex; flex-direction: column; gap: 15px; }
.phone-top { width: 42%; height: 7px; border-radius: 99px; background: rgba(50,38,45,.12); margin: 0 auto 4px; }
.phone-banner { min-height: 145px; border-radius: 24px; background: var(--gradient); position: relative; overflow: hidden; }
.phone-banner::before { content: "记录今天"; position: absolute; left: 20px; bottom: 18px; color: white; font-size: 25px; font-weight: 900; }
.phone-banner::after { content: ""; position: absolute; width: 120px; height: 120px; border: 22px solid rgba(255,255,255,.22); border-radius: 50%; right: -30px; top: -30px; }
.phone-card { background: white; border: 1px solid var(--border); border-radius: 20px; padding: 14px; box-shadow: var(--shadow); }
.phone-line { height: 8px; background: #F2E8ED; border-radius: 99px; margin: 8px 0; }
.phone-line.short { width: 62%; }
.hero-side { display: grid; gap: 18px; }
.note-card, .card { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); }
.note-card { padding: 28px; min-height: 210px; display: flex; flex-direction: column; justify-content: end; position: relative; overflow: hidden; }
.note-card::before { content: ""; position: absolute; width: 88px; height: 88px; border-radius: 26px; background: var(--soft-pink); right: -16px; top: -16px; transform: rotate(22deg); }
.note-card:nth-child(2)::before { background: var(--soft-purple); }
.theme-rail { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(190px, 1fr); overflow-x: auto; gap: 14px; padding-bottom: 8px; scroll-snap-type: x proximity; }
.theme-item { scroll-snap-align: start; min-height: 170px; padding: 22px; border-radius: 22px; background: white; border: 1px solid var(--border); }
.theme-item:nth-child(2n) { background: var(--soft-purple); }
.theme-item:nth-child(3n) { background: var(--soft-pink); }
.theme-item small { color: var(--muted); }
.magazine-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 22px; }
.feature-story { min-height: 520px; padding: 38px; border-radius: 28px; background: linear-gradient(160deg, rgba(255,142,172,.92), rgba(140,118,232,.9)); color: white; display: flex; flex-direction: column; justify-content: end; box-shadow: var(--shadow-strong); position: relative; overflow: hidden; }
.feature-story::before { content: ""; position: absolute; inset: 30px 30px auto auto; width: 180px; height: 180px; border-radius: 50%; border: 38px solid rgba(255,255,255,.15); }
.feature-story h3, .feature-story .text-link { color: white; }
.story-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.story-card { min-height: 249px; padding: 26px; background: white; border-radius: 24px; border: 1px solid var(--border); box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: space-between; }
.story-card:nth-child(2), .story-card:nth-child(3) { background: var(--soft-purple); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.tag { padding: 5px 10px; border-radius: 999px; background: rgba(255,93,158,.1); color: var(--berry); font-size: 12px; font-weight: 800; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.card { padding: 28px; }
.card-accent { border-top: 4px solid var(--coral); }
.card-accent:nth-child(2n) { border-top-color: var(--purple); }
.timeline { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.timeline-item { position: relative; padding: 32px 28px 28px; border-top: 2px solid rgba(255,93,158,.2); }
.timeline-item::before { content: ""; width: 14px; height: 14px; border-radius: 50%; background: var(--gradient); position: absolute; top: -8px; left: 28px; box-shadow: 0 0 0 7px var(--bg); }
.topic-list { display: grid; gap: 14px; }
.topic-row { display: grid; grid-template-columns: 54px 1fr auto; gap: 20px; align-items: center; background: white; border: 1px solid var(--border); border-radius: 20px; padding: 18px 22px; }
.topic-number { width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center; background: var(--soft-pink); color: var(--berry); font-weight: 900; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.prose-card { padding: 38px; border-radius: 28px; background: white; border: 1px solid var(--border); box-shadow: var(--shadow); }
.check-list { display: grid; gap: 12px; padding: 0; margin: 22px 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--berry); font-weight: 900; }
.app-showcase { display: grid; grid-template-columns: .75fr 1.25fr; gap: 38px; align-items: center; }
.app-visual { min-height: 460px; display: grid; place-items: center; border-radius: 32px; background: linear-gradient(145deg, #FFE5F0, #EEE9FF); overflow: hidden; }
.app-visual .phone-mock { width: 250px; transform: rotate(-4deg) translateY(34px); }
.service-pills { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 24px 0; }
.service-pill { padding: 18px; border-radius: 18px; background: white; border: 1px solid var(--border); }
.feedback-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feedback { padding: 25px; border-radius: 22px; background: white; border: 1px solid var(--border); position: relative; }
.feedback::before { content: "“"; font-size: 64px; line-height: 1; color: rgba(255,93,158,.16); position: absolute; top: 12px; right: 18px; font-weight: 900; }
.faq-list { display: grid; gap: 12px; }
details { background: white; border: 1px solid var(--border); border-radius: 18px; padding: 0 22px; }
summary { cursor: pointer; color: var(--title); font-weight: 800; padding: 18px 34px 18px 0; position: relative; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 16px; color: var(--berry); font-size: 24px; }
details[open] summary::after { content: "−"; }
details p { padding-bottom: 18px; color: var(--muted); }
.page-hero { padding: 70px 0 54px; background: linear-gradient(180deg, #FFF0F6, #FFF8FB); }
.page-hero-grid { display: grid; grid-template-columns: 1fr .52fr; gap: 40px; align-items: center; }
.page-art { min-height: 260px; border-radius: 34px; background: var(--gradient); position: relative; overflow: hidden; box-shadow: var(--shadow-strong); }
.page-art::before, .page-art::after { content: ""; position: absolute; border-radius: 50%; border: 30px solid rgba(255,255,255,.2); }
.page-art::before { width: 170px; height: 170px; right: -30px; top: -55px; }
.page-art::after { width: 90px; height: 90px; left: 28px; bottom: -20px; }
.page-index { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.page-index a { padding: 8px 13px; background: white; border: 1px solid var(--border); border-radius: 999px; color: var(--berry); font-weight: 700; }
.article-stack { display: grid; gap: 22px; }
.article-block { padding: 32px; border-radius: 24px; background: white; border: 1px solid var(--border); box-shadow: var(--shadow); }
.article-block:nth-child(even) { background: var(--soft-purple); }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { counter-increment: step; display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: start; }
.step::before { content: counter(step); width: 46px; height: 46px; display: grid; place-items: center; border-radius: 16px; background: var(--gradient); color: white; font-weight: 900; }
.notice-box { padding: 24px; border-radius: 20px; background: #FFF2F6; border: 1px solid var(--border); }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { padding: 10px 14px; border-radius: 999px; background: white; border: 1px solid var(--border); color: var(--berry); font-weight: 700; }
.service-ending { margin-top: 26px; padding: 28px; border-radius: 24px; background: linear-gradient(135deg, #FFF0F6, #F7F3FF); border: 1px solid var(--border); }
.site-footer { background: #30242B; color: #FFEAF2; padding: 70px 0 calc(28px + env(safe-area-inset-bottom)); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 34px; }
.footer-grid h2 { color: white; font-size: 16px; margin-bottom: 16px; }
.footer-grid a { display: block; color: #F6DDE7; padding: 5px 0; font-size: 14px; }
.footer-grid a:hover { color: white; }
.footer-brand p { color: #D8BEC9; max-width: 330px; }
.footer-logo { margin-bottom: 18px; }
.footer-logo .brand-text { -webkit-text-fill-color: transparent; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 42px; padding-top: 24px; display: flex; justify-content: space-between; gap: 30px; color: #D8BEC9; font-size: 13px; }
.menu-overlay { position: fixed; inset: 0; z-index: 950; background: rgba(50,38,45,.35); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s ease, visibility .2s ease; }
.menu-overlay.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.channel-panel { position: fixed; z-index: 960; left: 50%; top: 110px; width: min(1200px, calc(100% - 40px)); max-height: calc(100vh - 130px); transform: translate(-50%, -18px); background: white; border: 1px solid var(--border); border-radius: 0 0 28px 28px; box-shadow: 0 28px 80px rgba(50,38,45,.2); opacity: 0; visibility: hidden; pointer-events: none; transition: .22s ease; overflow: auto; }
.channel-panel.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 28px; border-bottom: 1px solid var(--border); }
.panel-head strong { display: block; color: var(--title); font-size: 22px; }
.panel-head span { display: block; color: var(--muted); font-size: 14px; }
.panel-close { border: 1px solid var(--border); background: var(--soft-pink); color: var(--berry); min-width: 72px; min-height: 42px; border-radius: 999px; font-weight: 800; cursor: pointer; }
.panel-groups { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 24px; padding: 28px; }
.panel-groups section { min-width: 0; }
.panel-groups h2 { font-size: 15px; color: var(--berry); margin-bottom: 12px; }
.panel-groups a { display: block; padding: 12px 10px; border-radius: 14px; }
.panel-groups a:hover { background: var(--soft-pink); }
.panel-groups strong, .panel-groups span { display: block; }
.panel-groups span { color: var(--muted); font-size: 12px; }
:focus-visible { outline: 3px solid rgba(140,118,232,.45); outline-offset: 3px; }
@media (max-width: 980px) {
  .main-nav a { padding-inline: 10px; }
  .nav-shell { gap: 18px; }
  .hero-grid { grid-template-columns: 1fr .8fr; }
  .hero-side { grid-column: 1 / -1; grid-template-columns: repeat(2, 1fr); }
  .magazine-grid, .app-showcase { grid-template-columns: 1fr; }
  .app-showcase .app-visual { order: 2; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feedback-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .container { width: min(100% - 32px, 1200px); }
  .desktop-only, .main-nav, .nav-actions { display: none !important; }
  .mobile-only { display: inline-flex; }
  .site-sticky { top: 0; }
  .top-note-inner { min-height: 32px; font-size: 12px; }
  .top-note-links a:first-child { display: none; }
  .top-note-links { gap: 0; }
  .nav-shell { min-height: 64px; grid-template-columns: 1fr auto 1fr; gap: 8px; }
  .nav-shell .brand { justify-self: center; }
  .brand-text { font-size: 21px; }
  .channel-button.mobile-only { justify-self: start; min-height: 44px; padding: 0 12px; font-size: 13px; }
  .mobile-experience { justify-self: end; min-height: 44px; padding: 0 16px; color: white; background: var(--gradient); font-size: 13px; }
  .hero { padding-top: 48px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: left; }
  .phone-stage { min-height: 470px; }
  .phone-mock { width: 248px; }
  .hero-side { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(260px, 85vw); overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
  .note-card { scroll-snap-align: start; }
  .section { padding: 62px 0; }
  .section-head { align-items: start; flex-direction: column; gap: 10px; }
  .magazine-grid, .story-grid, .grid-3, .grid-4, .timeline, .split, .feedback-grid, .page-hero-grid, .footer-grid { grid-template-columns: 1fr; }
  .feature-story { min-height: 420px; }
  .story-card { min-height: auto; }
  .timeline { gap: 16px; }
  .timeline-item { border-top: 0; border-left: 2px solid rgba(255,93,158,.2); padding: 0 0 22px 28px; }
  .timeline-item::before { left: -8px; top: 3px; box-shadow: 0 0 0 7px var(--bg); }
  .topic-row { grid-template-columns: 44px 1fr; }
  .topic-row .text-link { grid-column: 2; }
  .service-pills { grid-template-columns: 1fr; }
  .page-art { min-height: 190px; }
  .footer-bottom { flex-direction: column; }
  .site-footer { padding-bottom: calc(104px + env(safe-area-inset-bottom)); }
  .mobile-bottom-nav { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; z-index: 880; left: 0; right: 0; bottom: 0; min-height: 68px; padding-bottom: env(safe-area-inset-bottom); background: rgba(255,255,255,.98); border-top: 1px solid var(--border); box-shadow: 0 -10px 28px rgba(76,48,66,.09); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 68px; gap: 2px; 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-current { color: var(--berry); background: var(--soft-pink); }
  .channel-panel { left: 0; right: 0; top: auto; bottom: 0; width: 100%; max-height: 85vh; border-radius: 28px 28px 0 0; transform: translateY(105%); opacity: 1; overflow: auto; padding-bottom: env(safe-area-inset-bottom); }
  .channel-panel.is-open { transform: translateY(0); }
  .panel-handle { width: 46px; height: 5px; border-radius: 99px; background: #D8C7CF; margin: 10px auto 2px; }
  .panel-head { position: sticky; top: 0; z-index: 2; background: white; padding: 14px 16px; }
  .panel-head > div:nth-child(2) span { display: none; }
  .panel-brand { align-items: center; }
  .panel-brand .brand-text { font-size: 18px; }
  .desktop-groups { display: none; }
  .mobile-channel-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; padding: 16px; }
  .mobile-channel-list a { display: flex; min-height: 50px; align-items: center; justify-content: center; padding: 10px; background: var(--soft-pink); border: 1px solid var(--border); border-radius: 16px; color: var(--title); font-weight: 800; }
}
@media (max-width: 420px) {
  .hero-actions { align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { justify-content: center; width: 100%; }
  .mobile-channel-list { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
