:root {
  --bg: #FFF7FB;
  --surface: #FFFFFF;
  --surface-pink: #FFF0F6;
  --surface-purple: #F6F1FF;
  --title: #332631;
  --text: #514451;
  --muted: #807080;
  --pink: #FF629F;
  --pink-deep: #E94D8E;
  --peach: #FF9BBC;
  --purple: #936BFF;
  --border: rgba(255, 98, 159, 0.16);
  --footer: #30232D;
  --footer-text: #FFEAF3;
  --shadow: 0 16px 42px rgba(115, 69, 94, 0.10);
  --shadow-soft: 0 10px 28px rgba(115, 69, 94, 0.07);
  --gradient: linear-gradient(135deg, #FF9BBC 0%, #FF629F 50%, #936BFF 100%);
  --max: 1220px;
  --header-height: 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", Arial, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; pointer-events: auto; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
svg { display: block; }
main { min-height: 60vh; padding-top: var(--header-height); }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.section { position: relative; padding: 82px 0; }
.section.compact { padding: 58px 0; }
.section.soft-pink { background: var(--surface-pink); }
.section.soft-purple { background: var(--surface-purple); }
.section.white { background: var(--surface); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.76);
  color: var(--pink-deep);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
}
h1, h2, h3, h4 { margin: 0 0 14px; color: var(--title); line-height: 1.26; }
h1 { font-size: clamp(40px, 7vw, 76px); letter-spacing: -.04em; }
h2 { font-size: clamp(29px, 4vw, 46px); letter-spacing: -.025em; }
h3 { font-size: clamp(20px, 2.2vw, 26px); }
h4 { font-size: 18px; }
p { margin: 0 0 16px; }
.lead { font-size: clamp(17px, 1.8vw, 21px); color: #625260; }
.muted { color: var(--muted); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  color: var(--pink-deep);
  font-weight: 700;
}
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 22px;
  border: 0;
  border-radius: 999px;
  white-space: nowrap;
  font-weight: 750;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { color: #fff; background: var(--gradient); box-shadow: 0 12px 28px rgba(255,98,159,.24); }
.btn-secondary { color: var(--pink-deep); background: #fff; border: 1px solid var(--border); }
.btn:focus-visible, .text-link:focus-visible, .nav-link:focus-visible, .drawer-link:focus-visible,
.mobile-tab:focus-visible, .menu-toggle:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(147,107,255,.34);
  outline-offset: 3px;
}
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 26px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 900;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255,98,159,.11);
  background: rgba(255,247,251,.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 8px 24px rgba(80,51,68,.06);
}
.header-inner {
  width: min(calc(100% - 32px), 1260px);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
}
.site-brand { display: inline-flex; align-items: center; min-width: max-content; font-weight: 850; color: var(--title); }
.brand-logo { width: auto; max-width: 154px; max-height: 48px; object-fit: contain; }
.brand-wordmark { font-size: 22px; letter-spacing: -.03em; }
.desktop-nav { display: flex; justify-content: center; min-width: 0; gap: 5px; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 13px;
  border-radius: 999px;
  color: #665764;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 650;
}
.nav-link:hover, .nav-link.active { color: var(--pink-deep); background: rgba(255,255,255,.82); }
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient);
}
.header-actions { display: flex; align-items: center; gap: 9px; }
.menu-toggle {
  width: 44px;
  height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  cursor: pointer;
  flex: 0 0 auto;
}
.menu-icon, .menu-icon::before, .menu-icon::after {
  width: 18px;
  height: 2px;
  border-radius: 3px;
  background: var(--title);
}
.menu-icon { position: relative; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -6px; }
.menu-icon::after { top: 6px; }
.mobile-menu-toggle { display: none; }

.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(48,35,45,.45);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .25s ease, visibility .25s ease;
}
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1200;
  width: min(400px, 88vw);
  height: 100dvh;
  overflow-y: auto;
  padding: 22px;
  background: #fff;
  box-shadow: -18px 0 48px rgba(48,35,45,.16);
  transform: translateX(102%);
  visibility: hidden;
  pointer-events: none;
  transition: transform .28s ease, visibility .28s ease;
}
body.drawer-open .drawer-overlay { opacity: 1; visibility: visible; pointer-events: auto; }
body.drawer-open .drawer { transform: translateX(0); visibility: visible; pointer-events: auto; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.drawer-brand { min-width: 0; }
.drawer-brand .brand-logo { max-width: 145px; }
.drawer-close { font-size: 24px; line-height: 1; }
.drawer-nav { display: grid; gap: 6px; padding: 18px 0; }
.drawer-link { display: flex; align-items: center; min-height: 46px; padding: 9px 13px; border-radius: 13px; font-weight: 650; color: #5f505d; }
.drawer-link:hover, .drawer-link.active { color: var(--pink-deep); background: var(--surface-pink); }
.drawer-note { padding: 16px; border-radius: 18px; background: var(--surface-purple); color: var(--muted); font-size: 14px; }

.hero {
  isolation: isolate;
  overflow: hidden;
  padding: 94px 0 88px;
  background:
    radial-gradient(circle at 10% 18%, rgba(255,155,188,.26), transparent 30%),
    radial-gradient(circle at 90% 25%, rgba(147,107,255,.17), transparent 27%),
    var(--bg);
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(1px);
  z-index: -1;
}
.hero::before { width: 230px; height: 230px; right: 6%; top: 70px; background: rgba(255,255,255,.55); }
.hero::after { width: 120px; height: 120px; left: 44%; bottom: 30px; background: rgba(255,155,188,.14); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 68px; align-items: center; }
.hero-copy { max-width: 760px; }
.hero-copy h1 span { display: block; color: var(--pink-deep); }
.hero-subtitle { margin-bottom: 20px; font-size: clamp(24px, 4vw, 42px); color: var(--title); font-weight: 780; line-height: 1.32; letter-spacing: -.025em; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.pill { display: inline-flex; align-items: center; min-height: 38px; padding: 6px 13px; border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.78); color: #6b5967; font-size: 14px; font-weight: 650; }
.hero-visual { position: relative; min-height: 440px; display: grid; place-items: center; }
.image-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 40px;
  background: linear-gradient(150deg, rgba(255,255,255,.92), rgba(255,240,246,.88));
  box-shadow: var(--shadow);
}
.image-frame img { max-height: 440px; object-fit: contain; }
.visual-fallback { position: relative; width: 250px; height: 390px; border-radius: 40px; background: linear-gradient(155deg,#fff,#fff0f6); border: 8px solid #fff; box-shadow: 0 20px 55px rgba(233,77,142,.17); }
.visual-fallback::before { content: "糖心Vlog"; position: absolute; inset: 64px 20px auto; padding: 26px 14px; text-align: center; border-radius: 24px; color: #fff; font-size: 24px; font-weight: 850; background: var(--gradient); }
.visual-fallback::after { content: "记录生活 · 发现兴趣"; position: absolute; left: 25px; right: 25px; bottom: 72px; text-align: center; color: var(--muted); font-size: 14px; }
.floating-note { position: absolute; padding: 12px 16px; border-radius: 16px; background: #fff; box-shadow: var(--shadow-soft); font-size: 14px; font-weight: 700; }
.floating-note.one { left: -14px; top: 62px; }
.floating-note.two { right: -16px; bottom: 54px; }

.grid { 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 {
  position: relative;
  height: 100%;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255,255,255,.9);
  box-shadow: var(--shadow-soft);
}
.card::before { content: ""; position: absolute; pointer-events: none; width: 86px; height: 86px; right: -32px; top: -32px; border-radius: 50%; background: rgba(255,155,188,.12); }
.card p:last-child { margin-bottom: 0; }
.card-label { display: inline-flex; margin-bottom: 16px; min-height: 30px; align-items: center; padding: 4px 10px; border-radius: 999px; background: var(--surface-pink); color: var(--pink-deep); font-size: 13px; font-weight: 750; }
.card .text-link { margin-top: 8px; }
.icon-bubble { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 16px; color: #fff; font-size: 21px; font-weight: 800; background: var(--gradient); box-shadow: 0 10px 22px rgba(255,98,159,.18); }
.feature-strip { margin-top: -30px; position: relative; z-index: 3; }
.feature-strip .card { padding: 24px; }

.channel-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 15px; }
.channel-card { padding: 22px 20px; border-radius: 20px; border: 1px solid var(--border); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.channel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.channel-card h3 { font-size: 19px; }
.channel-card p { font-size: 14px; color: var(--muted); }

.mosaic { display: grid; grid-template-columns: 1.2fr .8fr .8fr; grid-auto-rows: minmax(190px, auto); gap: 18px; }
.mosaic .card:nth-child(1), .mosaic .card:nth-child(5) { grid-row: span 2; }
.mosaic .card { display: flex; flex-direction: column; justify-content: flex-end; min-height: 200px; background: linear-gradient(155deg, rgba(255,255,255,.96), rgba(255,240,246,.84)); }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0 0; }
.tag { padding: 4px 9px; border-radius: 999px; background: rgba(147,107,255,.09); color: #7454d3; font-size: 12px; font-weight: 650; }

.split { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr); gap: 58px; align-items: center; }
.split.reverse { grid-template-columns: minmax(300px, .92fr) minmax(0, 1.08fr); }
.split.reverse .split-media { order: -1; }
.split-media { min-height: 350px; display: grid; place-items: center; padding: 24px; border-radius: 32px; background: linear-gradient(145deg,#fff,#fff0f6); border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.split-media.purple { background: linear-gradient(145deg,#fff,#f6f1ff); }
.split-media img { width: 100%; max-height: 430px; object-fit: contain; }
.abstract-art { position: relative; width: min(100%, 390px); aspect-ratio: 1/1; border-radius: 42% 58% 57% 43% / 46% 41% 59% 54%; background: var(--gradient); opacity: .94; }
.abstract-art::before, .abstract-art::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.8); }
.abstract-art::before { width: 46%; height: 46%; left: 12%; top: 15%; }
.abstract-art::after { width: 27%; height: 27%; right: 12%; bottom: 15%; }
.check-list { display: grid; gap: 12px; margin: 24px 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; background: var(--surface-pink); color: var(--pink-deep); font-size: 13px; font-weight: 900; }

.topic-row { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.topic-card { min-height: 230px; display: flex; flex-direction: column; justify-content: space-between; }
.topic-number { color: var(--pink); font-size: 13px; font-weight: 850; letter-spacing: .12em; }

.notice {
  padding: 24px 26px;
  border-left: 5px solid var(--pink);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.notice.purple { border-color: var(--purple); background: var(--surface-purple); }
.notice strong { color: var(--title); }

.feedback-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.quote-card { padding: 26px; border: 1px solid var(--border); border-radius: 22px; background: #fff; }
.quote-card::before { content: "“"; display: block; height: 30px; color: var(--peach); font-size: 48px; font-family: Georgia, serif; line-height: 1; }
.quote-role { color: var(--muted); font-size: 14px; font-weight: 650; }

.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--border); border-radius: 18px; background: #fff; overflow: hidden; }
summary { position: relative; min-height: 58px; display: flex; align-items: center; padding: 16px 54px 16px 20px; color: var(--title); font-weight: 750; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 19px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--surface-pink); color: var(--pink-deep); font-size: 20px; }
details[open] summary::after { content: "−"; }
.faq-answer { padding: 0 20px 20px; color: #665865; }

.page-hero { padding: 82px 0 64px; background: radial-gradient(circle at 85% 15%, rgba(147,107,255,.14), transparent 28%), radial-gradient(circle at 10% 20%, rgba(255,155,188,.22), transparent 30%), var(--bg); }
.page-hero-inner { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(260px,.75fr); gap: 50px; align-items: center; }
.page-hero h1 { font-size: clamp(38px, 6vw, 64px); }
.page-kicker { margin-bottom: 15px; color: var(--pink-deep); font-weight: 800; }
.page-visual { min-height: 290px; display: grid; place-items: center; border-radius: 34px; background: linear-gradient(145deg,#fff,#f6f1ff); border: 1px solid var(--border); box-shadow: var(--shadow-soft); overflow: hidden; padding: 20px; }
.page-visual img { max-height: 360px; object-fit: contain; }
.page-symbol { width: 180px; height: 180px; display: grid; place-items: center; border-radius: 54% 46% 60% 40% / 43% 55% 45% 57%; color: #fff; background: var(--gradient); font-size: 52px; font-weight: 850; box-shadow: 0 22px 48px rgba(255,98,159,.22); }
.prose { max-width: 860px; }
.prose h2 { margin-top: 38px; }
.prose h3 { margin-top: 28px; }
.prose p { margin-bottom: 17px; }
.info-list { display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.info-list li { padding: 18px 20px; border: 1px solid var(--border); border-radius: 17px; background: #fff; }
.info-list strong { display: block; margin-bottom: 4px; color: var(--title); }
.steps { counter-reset: step; display: grid; gap: 18px; }
.step { position: relative; padding: 24px 24px 24px 78px; border: 1px solid var(--border); border-radius: 20px; background: #fff; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 22px; top: 24px; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: var(--gradient); font-weight: 850; }
.timeline { position: relative; display: grid; gap: 20px; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 7px; bottom: 7px; width: 2px; background: linear-gradient(var(--pink),var(--purple)); }
.timeline-item { position: relative; padding: 21px 22px; border-radius: 18px; background: #fff; border: 1px solid var(--border); }
.timeline-item::before { content: ""; position: absolute; left: -29px; top: 28px; width: 14px; height: 14px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 0 5px var(--surface-pink); }
.link-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.link-cloud a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 15px; border: 1px solid var(--border); border-radius: 999px; background: #fff; color: var(--pink-deep); font-weight: 700; }
.cta-panel { position: relative; overflow: hidden; padding: 42px; border-radius: 30px; background: var(--gradient); color: #fff; box-shadow: 0 22px 52px rgba(255,98,159,.22); }
.cta-panel::after { content: ""; position: absolute; width: 240px; height: 240px; right: -80px; top: -100px; border-radius: 50%; background: rgba(255,255,255,.14); pointer-events: none; }
.cta-panel h2, .cta-panel h3 { color: #fff; }
.cta-panel .btn-secondary { border-color: rgba(255,255,255,.45); }

.site-footer { background: var(--footer); color: var(--footer-text); }
.footer-main { padding: 68px 0 46px; }
.footer-grid { display: grid; grid-template-columns: 1.35fr repeat(4,1fr); gap: 34px; }
.footer-brand .brand-wordmark { color: #fff; font-size: 26px; }
.footer-brand .brand-logo { max-width: 168px; }
.footer-brand p { max-width: 330px; margin-top: 18px; color: rgba(255,234,243,.76); }
.footer-col h3 { margin-bottom: 14px; color: #fff; font-size: 17px; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { min-height: 34px; display: inline-flex; align-items: center; color: rgba(255,234,243,.76); }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 22px; padding: 24px 0 30px; border-top: 1px solid rgba(255,255,255,.11); color: rgba(255,234,243,.7); font-size: 14px; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1080px) {
  .desktop-nav { gap: 1px; }
  .nav-link { padding-inline: 9px; font-size: 14px; }
  .hero-grid { gap: 38px; }
  .channel-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1.4fr repeat(2,1fr); }
}

@media (max-width: 860px) {
  :root { --header-height: 66px; }
  main { padding-top: var(--header-height); padding-bottom: 78px; }
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 62px 0; }
  .desktop-nav, .desktop-menu-toggle { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
  .header-inner { width: calc(100% - 20px); grid-template-columns: 44px minmax(0,1fr) auto; gap: 9px; }
  .header-inner .site-brand { justify-content: center; min-width: 0; }
  .brand-wordmark { font-size: 19px; white-space: nowrap; }
  .brand-logo { max-width: 124px; max-height: 42px; }
  .header-actions .btn { min-height: 42px; padding: 8px 14px; font-size: 14px; }
  .hero { padding: 68px 0 62px; }
  .hero-grid, .page-hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { min-height: 350px; }
  .image-frame { min-height: 330px; }
  .visual-fallback { height: 320px; width: 210px; }
  .floating-note.one { left: 4px; }
  .floating-note.two { right: 4px; }
  .grid-3, .topic-row, .feedback-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 34px; }
  .split.reverse .split-media { order: 0; }
  .mosaic { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .mosaic .card:nth-child(1), .mosaic .card:nth-child(5) { grid-row: auto; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .mobile-bottom-nav {
    position: fixed;
    left: max(10px, env(safe-area-inset-left));
    right: max(10px, env(safe-area-inset-right));
    bottom: max(9px, env(safe-area-inset-bottom));
    z-index: 850;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 4px;
    padding: 7px;
    border: 1px solid var(--border);
    border-radius: 21px;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 12px 36px rgba(48,35,45,.14);
  }
  .mobile-tab { min-height: 48px; display: flex; align-items: center; justify-content: center; border-radius: 15px; color: #746572; font-size: 13px; font-weight: 700; }
  .mobile-tab.active { color: var(--pink-deep); background: var(--surface-pink); }
}

@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .section-heading { margin-bottom: 26px; }
  .hero-copy h1 { font-size: 46px; }
  .hero-subtitle { font-size: 27px; }
  .lead { font-size: 17px; }
  .grid-2, .grid-3, .grid-4, .topic-row, .feedback-grid, .channel-grid, .mosaic { grid-template-columns: 1fr; }
  .card { padding: 23px; border-radius: 21px; }
  .mosaic .card { min-height: 180px; }
  .page-hero { padding: 56px 0 46px; }
  .page-visual { min-height: 240px; }
  .split-media { min-height: 280px; }
  .actions { align-items: stretch; }
  .actions .btn { flex: 1 1 150px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .footer-bottom { flex-direction: column; }
  .cta-panel { padding: 30px 23px; border-radius: 24px; }
  .step { padding-left: 66px; }
  .step::before { left: 17px; }
}

@media (max-width: 420px) {
  .header-actions .btn { padding-inline: 11px; }
  .brand-wordmark { font-size: 17px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .floating-note { font-size: 12px; padding: 9px 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Mobile tap target safeguards */
.site-brand { min-height: 44px; }
.footer-links a { min-height: 44px; }
@media (max-width: 860px) {
  .header-actions .btn { min-height: 44px; }
}