:root {
  color-scheme: light;
  --ink: #102221;
  --text: #485d5a;
  --teal: #007e69;
  --teal-dark: #006854;
  --mint: #e6f6ef;
  --surface: #f3f8f6;
  --line: #dce9e4;
  --shadow: 0 16px 40px #143b2f0c;
  font-family: Inter, "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: var(--ink);
  background: #fff;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 91px; }
body, h1, h2, h3, p, figure, dl, dd { margin: 0; }
body { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }
ul, ol { margin: 0; padding: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, summary { cursor: pointer; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, [role="tabpanel"]:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 4px;
}
[hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 20; top: 8px; left: 8px; padding: 8px 13px; border-radius: 6px; background: var(--teal-dark); color: #fff; }
.skip-link:not(:focus) { width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); }
.symbols { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.container { width: min(100% - 80px, 1216px); margin-inline: auto; }
.section-space { padding-block: 76px; }
.section-heading h2 { font-size: clamp(28px, 3.1vw, 43px); line-height: 1.24; font-weight: 800; letter-spacing: -.035em; }
.section-heading p { max-width: 660px; margin-top: 11px; color: var(--text); line-height: 1.72; }
.section-heading .inline-link { display: inline-block; margin-top: 15px; }
.centered { text-align: center; }
.centered p { margin-inline: auto; }
.split-heading { display: flex; justify-content: space-between; align-items: end; gap: 16px; }
.inline-link { color: var(--teal-dark); font-weight: 700; }
.inline-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.inline-link span { margin-left: 3px; }
.feature-icon { display: grid; place-items: center; flex: none; width: 46px; height: 46px; border: 1px solid #d6ece4; border-radius: 11px; background: var(--mint); color: var(--teal-dark); font-size: 23px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 19px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
  transition: background .18s ease, box-shadow .18s ease, transform .18s ease;
}
.button:hover { background: var(--teal-dark); box-shadow: 0 7px 18px #007e6929; }
.button:active { transform: translateY(1px); }
.button .icon { font-size: 20px; }
.button-secondary { border-color: #bcdad1; background: #fff; color: var(--teal-dark); }
.button-secondary:hover { background: var(--mint); }

.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: #fffffff5; backdrop-filter: blur(14px); }
.header-inner { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 72px; }
.brand { display: inline-flex; flex: none; align-items: center; gap: 10px; color: var(--ink); font-size: 23px; font-weight: 800; white-space: nowrap; }
.main-nav, .header-actions { display: flex; align-items: center; gap: clamp(15px, 2.15vw, 32px); font-size: 14px; font-weight: 650; white-space: nowrap; }
.main-nav a { position: relative; padding-block: 13px; }
.main-nav a::after {
  position: absolute; right: 0; bottom: 6px; left: 0; height: 2px; border-radius: 2px;
  background: var(--teal); content: ""; transform: scaleX(0); transition: transform .2s ease;
}
.main-nav a:hover::after, .main-nav a[aria-current]::after { transform: scaleX(1); }
.main-nav a:hover, .main-nav a[aria-current], .header-actions > a:not(.button):hover, .header-actions > a:not(.button)[aria-current] { color: var(--teal-dark); }
.header-button { min-height: 41px; padding-inline: 15px; }
.mobile-nav { display: none; }

.hero {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(ellipse at 79% 48%, #b6eddb 0%, #e5f8f1 43%, #f8fcfa 79%);
}
.hero-inner { display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: clamp(26px, 4vw, 64px); padding-block: 77px 84px; }
.hero-copy { position: relative; z-index: 1; animation: enter .55s ease-out both; }
.hero h1 { font-size: clamp(41px, 4.45vw, 65px); line-height: 1.15; font-weight: 850; letter-spacing: -.053em; }
.hero h1 em { color: var(--teal-dark); font-style: normal; }
.hero-copy p { max-width: 455px; margin-top: 24px; color: #36544d; font-size: clamp(16px, 1.35vw, 19px); line-height: 1.75; }
.hero-actions, .download-actions, .callout-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.hero-actions { margin-top: 27px; }
.hero-product { position: relative; min-width: 0; animation: enter .6s .1s ease-out both; }
.hero-product::before {
  position: absolute;
  z-index: -1;
  inset: -72px -85px -52px -47px;
  background-image: linear-gradient(#1d9e851d 1px, transparent 1px), linear-gradient(90deg, #1d9e851d 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse at 55% 48%, #000 28%, transparent 76%);
  content: "";
}
.product-frame { overflow: hidden; border: 1px solid #b7d5cd; border-radius: 16px; background: #f2f5f9; box-shadow: 0 27px 64px #0a413d35, 0 7px 18px #102a3224; }
.dashboard-preview { width: 100%; height: auto; }
.hero-preview-caption { margin-top: 10px; color: #36544d; font-size: 12px; text-align: right; }

.platform-strip { border-bottom: 1px solid var(--line); }
.platforms { display: flex; align-items: center; gap: 35px; min-height: 87px; }
.platforms p { color: var(--text); font-size: 14px; font-weight: 650; white-space: nowrap; }
.platforms ul { display: grid; flex: 1; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; }
.platforms li { display: flex; justify-content: center; align-items: center; gap: 9px; font-weight: 700; white-space: nowrap; }
.platforms li + li { border-left: 1px solid var(--line); }
.platform-mark { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 7px; background: #172631; color: #fff; font-size: 13px; }
.platform-pdd { background: #c93841; }
.platform-ks { background: #ab4a19; }
.platform-wx { background: #007e51; }

.showcase { margin-top: 27px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #f4faf7; box-shadow: var(--shadow); }
.showcase-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 5px; padding: 9px; border-bottom: 1px solid var(--line); background: #fff; }
.showcase-tabs button { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 45px; padding: 5px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--text); font-weight: 700; }
.showcase-tabs button:hover { background: var(--surface); }
.showcase-tabs button[aria-selected="true"] { border-color: #c8e8dd; background: var(--mint); color: var(--teal-dark); }
.showcase-tabs .icon { font-size: 19px; }
.showcase-panel { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(21px, 3vw, 42px); align-items: center; min-height: 400px; padding: clamp(25px, 3.5vw, 46px); animation: enter .3s ease-out both; }
.showcase-copy h3 { margin-top: 14px; font-size: clamp(23px, 2.45vw, 34px); line-height: 1.28; letter-spacing: -.02em; }
.showcase-copy p { margin-top: 10px; color: var(--text); line-height: 1.65; }
.showcase-copy .inline-link { display: inline-block; margin-top: 18px; }
.showcase-more { margin-top: 17px; text-align: center; }
.check-list { display: grid; gap: 8px; margin-top: 15px; list-style: none; }
.check-list li { position: relative; padding-left: 21px; color: var(--text); font-size: 14px; line-height: 1.55; }
.check-list li::before { position: absolute; top: 1px; left: 0; color: var(--teal-dark); font-weight: 800; content: "✓"; }
.showcase-image img, .preview-gallery img, .about-preview img { width: 100%; border: 1px solid #d7e7e2; border-radius: 12px; background: #fff; box-shadow: var(--shadow); }
.showcase-image img { aspect-ratio: 16 / 9; object-fit: contain; }
.showcase-image figcaption, .preview-gallery figcaption, .about-preview figcaption { margin-top: 7px; color: var(--text); font-size: 12px; text-align: center; }

.scenario-section { border-block: 1px solid var(--line); background: var(--surface); }
.scenario-grid, .catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 24px; }
.scenario-grid article, .catalog-card, .channel-card, .form-card, .download-card, .install-card, .release-card {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow);
}
.scenario-grid article, .catalog-card, .channel-card { transition: border-color .2s ease, box-shadow .2s ease; }
.scenario-grid article:hover, .catalog-card:hover, .channel-card:hover { border-color: #9dd5c4; box-shadow: 0 15px 34px #1a4f4118; }
.scenario-grid h3, .catalog-card h3 { margin-top: 13px; font-size: 22px; line-height: 1.3; }
.scenario-grid p, .catalog-card p, .release-card p { margin-top: 8px; color: var(--text); line-height: 1.64; }
.scenario-grid .inline-link { display: inline-block; margin-top: 14px; font-size: 14px; }
.catalog-card .catalog-note { margin-top: 15px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 14px; }
.preview-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 23px; margin-top: 24px; }
.preview-gallery img { height: clamp(195px, 28vw, 380px); object-fit: contain; }

.process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 17px; margin-top: 25px; list-style: none; }
.process li { position: relative; padding: 18px 18px 18px 0; }
.process li + li { padding-left: 20px; border-left: 1px solid var(--line); }
.process h3 { margin-top: 11px; font-size: 18px; }
.process p { margin-top: 5px; color: var(--text); font-size: 14px; line-height: 1.55; }
.pricing-strip { border-block: 1px solid #d9ede5; background: #eef9f4; }
.pricing-strip-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-block: 37px; }
.pricing-strip h2 { font-size: clamp(26px, 2.55vw, 36px); }
.faq-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 34px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 0; list-style: none; font-weight: 700; line-height: 1.45; }
.faq-list summary::-webkit-details-marker, .mobile-nav summary::-webkit-details-marker { display: none; }
.faq-list summary:hover, .faq-list details[open] summary { color: var(--teal-dark); }
.faq-list details p { padding: 0 12px 17px 0; color: var(--text); line-height: 1.7; }
.chevron { color: #668179; transition: transform .18s ease; }
details[open] .chevron { transform: rotate(90deg); }
details[open] > p { animation: enter .23s ease-out both; }
.callout {
  display: flex; justify-content: space-between; align-items: center; gap: 22px;
  padding: clamp(23px, 4.25vw, 54px);
  border-radius: 18px;
  background: radial-gradient(ellipse at 93% 115%, #1b7765 5%, transparent 65%), #103e35;
  color: #fff;
}
.callout h2 { font-size: clamp(25px, 3vw, 40px); line-height: 1.25; letter-spacing: -.025em; }
.callout p { margin-top: 9px; color: #d0ede4; line-height: 1.6; }
.callout .button:not(.button-on-dark) { background: #bdf5dd; color: #0c4637; }
.callout .button:not(.button-on-dark):hover { background: #e3fff3; }
.button-on-dark { border-color: #6caa9d; background: transparent; }
.button-on-dark:hover { background: #286958; }
#download > section { padding-top: 0; }

.page-hero {
  padding-block: 30px 46px;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(ellipse at 89% 40%, #d1f2e6, transparent 73%), #f2f9f6;
}
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 17px; color: var(--text); font-size: 13px; }
.breadcrumb a { color: var(--teal-dark); }
.breadcrumb a:hover { text-decoration: underline; }
.page-hero h1, .subpage-heading h1, .register-intro h1 { font-size: clamp(35px, 4.4vw, 58px); line-height: 1.17; font-weight: 850; letter-spacing: -.045em; }
.page-hero p, .subpage-heading p, .register-intro p { max-width: 650px; margin-top: 12px; color: var(--text); font-size: 17px; line-height: 1.68; }

.tutorial-layout { display: grid; grid-template-columns: 245px minmax(0, 1fr); gap: clamp(24px, 5vw, 72px); align-items: start; }
.tutorial-nav { position: sticky; top: 96px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.tutorial-nav nav { display: grid; gap: 5px; }
.tutorial-nav strong { margin-bottom: 3px; }
.tutorial-nav a { padding-block: 5px; color: var(--text); font-size: 14px; }
.tutorial-nav a:hover { color: var(--teal-dark); text-decoration: underline; }
.tutorial-video { margin-bottom: 32px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow); }
.tutorial-video-heading { padding: 16px 20px; }
.tutorial-video-heading h2 { font-size: clamp(22px, 2.15vw, 30px); }
.tutorial-video-heading p { margin-top: 5px; color: var(--text); line-height: 1.6; }
.tutorial-video video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: #102d2b; }
.tutorial-video-note { padding: 10px 20px; color: var(--text); font-size: 13px; }
.tutorial-steps article { display: flex; align-items: start; gap: 15px; padding: 0 0 21px; border-bottom: 1px solid var(--line); }
.tutorial-steps article + article { padding-top: 21px; }
.tutorial-steps h2, .evidence-card h2, .install-card h2, .download-card h2 { font-size: clamp(22px, 2.15vw, 30px); line-height: 1.32; }
.tutorial-steps p { margin-top: 6px; color: var(--text); line-height: 1.65; }
.evidence-card { margin-top: 24px; padding: 23px; border: 1px solid #d7eae3; border-radius: 12px; background: var(--surface); }
.evidence-card ul { margin-top: 8px; list-style: none; }
.evidence-card li { padding-block: 9px; border-bottom: 1px solid var(--line); }
.evidence-card li:last-child { padding-bottom: 0; border: 0; }
.evidence-card li span { display: block; margin-top: 3px; color: var(--text); font-size: 14px; line-height: 1.5; }
.tutorial-faq { margin-top: 31px; }
.tutorial-faq .faq-list { margin-top: 12px; }

.pricing-page .page-hero h1 span { display: inline-block; color: var(--teal-dark); }
.membership-card {
  max-width: 920px;
  margin-inline: auto;
  padding: clamp(23px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: radial-gradient(ellipse at 94% 0%, var(--mint), transparent 68%), #fff;
  box-shadow: var(--shadow);
}
.membership-offer .feature-icon { margin-bottom: 13px; }
.membership-offer h2 { font-size: clamp(24px, 2.7vw, 34px); letter-spacing: -.025em; }
.membership-amount { display: flex; align-items: baseline; gap: 8px; margin-block: 9px 12px; white-space: nowrap; }
.membership-amount strong { color: var(--teal-dark); font-size: clamp(52px, 6vw, 77px); line-height: 1.02; letter-spacing: -.06em; }
.membership-amount span, .membership-offer > p:not(.membership-amount), .membership-features p { color: var(--text); font-size: 14px; line-height: 1.65; }
.membership-features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 25px; margin-block: 22px 24px; padding-top: 19px; border-top: 1px solid var(--line); list-style: none; }
.membership-features li { display: flex; align-items: start; gap: 10px; }
.membership-features .icon { width: 20px; height: 20px; color: var(--teal-dark); }
.membership-features h3 { margin-bottom: 3px; font-size: 16px; }
.membership-button { width: 100%; }
.membership-button .icon { font-size: 16px; }
.pricing-demo-note { margin-top: 13px; color: var(--text); font-size: 13px; line-height: 1.6; text-align: center; }

.pricing-page .inline-link .icon { vertical-align: -.12em; }
.gift-plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; margin-top: 22px; }
.gift-plan {
  --gift-accent: var(--teal-dark);
  --gift-line: var(--line);
  --gift-tint: var(--mint);
  padding: clamp(16px, 2.3vw, 27px);
  border: 1px solid var(--gift-line);
  border-radius: 17px;
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.gift-plan:hover { transform: translateY(-3px); box-shadow: 0 15px 32px #143b2f18; }
.gift-plan-accent { --gift-line: #c8e8dd; background: linear-gradient(145deg, var(--mint), #fff 82%); }
.gift-plan-permanent { --gift-accent: #805b23; --gift-line: #eadfc9; --gift-tint: #faf0dd; background: linear-gradient(145deg, #fdf7ed, #fff 82%); }
.gift-icon { display: inline-grid; width: 38px; height: 38px; place-items: center; border-radius: 10px; background: var(--gift-tint); color: var(--gift-accent); font-size: 20px; }
.gift-plan h3 { margin-top: 12px; font-size: 21px; }
.gift-amount { margin-block: 6px 14px; color: var(--text); font-size: 13px; }
.gift-amount strong { margin-left: 5px; color: var(--ink); font-size: clamp(30px, 3.5vw, 47px); letter-spacing: -.055em; }
.gift-benefits { display: grid; gap: 8px; padding-top: 13px; border-top: 1px solid var(--gift-line); color: var(--text); font-size: 14px; }
.gift-benefits > div { display: flex; justify-content: space-between; gap: 8px; }
.gift-benefits dd { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.gift-benefits > div:last-child dd { color: var(--gift-accent); }
.pricing-exchange { display: flex; align-items: center; justify-content: center; gap: clamp(10px, 2vw, 18px); width: fit-content; max-width: 100%; margin: 22px auto 0; padding: 12px clamp(16px, 3vw, 28px); border: 1px solid #b7dfd0; border-radius: 14px; background: linear-gradient(120deg, #fff, var(--mint)); color: var(--teal-dark); box-shadow: 0 6px 20px #143b2f08; }
.exchange-label { padding-right: clamp(10px, 2vw, 18px); border-right: 1px solid #b7dfd0; font-size: 14px; font-weight: 600; white-space: nowrap; }
.pricing-exchange strong { font-size: clamp(25px, 3vw, 32px); line-height: 1.3; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pricing-exchange small { font-size: 17px; }
.exchange-equals { color: var(--text); font-size: 23px; }
.pricing-tabs, .pricing-panel { width: min(100%, 920px); margin-inline: auto; }
.pricing-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 26px; }
.pricing-tabs button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 54px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: border-color .18s ease, background .18s ease;
}
.pricing-tabs button:hover { border-color: #c8e8dd; background: var(--surface); }
.pricing-tabs button[aria-selected="true"] { border-color: #b7dfd0; background: var(--mint); color: var(--teal-dark); box-shadow: inset 0 -2px 0 #6ab7a2; }
.pricing-tabs .platform-mark { width: 28px; height: 28px; font-size: 13px; }
.pricing-panel { margin-top: 16px; }
.service-prices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.service-price {
  --service-accent: var(--teal-dark);
  --service-tint: var(--mint);
  --service-border: var(--line);
  padding: clamp(18px, 2.8vw, 34px);
  border: 1px solid var(--service-border);
  border-radius: 18px;
  background: radial-gradient(ellipse at 100% 0%, var(--service-tint), transparent 71%), #fff;
  box-shadow: var(--shadow);
}
.service-price-return { --service-accent: #27617b; --service-tint: #eaf4f8; --service-border: #d9e8ed; }
.service-price:only-child { grid-column: 1 / -1; }
.service-price h3 { display: flex; align-items: center; gap: 12px; font-size: clamp(18px, 2.2vw, 24px); }
.service-icon { display: grid; place-items: center; flex: none; width: 44px; height: 44px; border: 1px solid var(--service-border); border-radius: 12px; background: var(--service-tint); color: var(--service-accent); font-size: 22px; }
.service-amount { margin-block: 15px 17px; color: var(--text); font-size: 14px; white-space: nowrap; }
.service-amount strong { color: var(--service-accent); font-size: clamp(42px, 5vw, 58px); line-height: 1; letter-spacing: -.055em; }
.service-description { padding-top: 15px; border-top: 1px solid var(--service-border); color: var(--text); font-size: 14px; line-height: 1.7; }

.download-layout { display: grid; grid-template-columns: 1.3fr 1fr; align-items: start; gap: 23px; }
.download-card { padding: 29px; background: #f3fbf7; }
.download-card h2 { margin-top: 12px; }
.download-card > p, .install-card li span { margin-top: 7px; color: var(--text); line-height: 1.6; }
.release-info { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 17px 0; padding-block: 12px; border-block: 1px solid var(--line); }
.release-info dt { color: var(--text); font-size: 13px; }
.release-info dd { margin-top: 3px; font-weight: 700; }
.download-card .download-note { margin-top: 13px; font-size: 13px; }
.install-card ol { margin-top: 12px; padding-left: 21px; }
.install-card li { padding: 6px 0 6px 4px; }
.install-card li::marker { color: var(--teal-dark); font-weight: 800; }
.install-card li span { display: block; margin-top: 2px; font-size: 14px; }
.install-card .inline-link { display: inline-block; margin-top: 10px; }
.release-card { margin-top: 17px; }
.release-card h3 span { margin-left: 7px; color: var(--text); font-size: 13px; font-weight: 600; }
.about-intro { display: grid; grid-template-columns: 1fr 1.2fr; align-items: center; gap: clamp(22px, 5vw, 66px); }
.about-preview img { max-height: 380px; object-fit: contain; }

.site-footer { border-top: 1px solid var(--line); background: #f6faf8; }
.footer-main { display: grid; grid-template-columns: 1.4fr repeat(3, .65fr); gap: 22px; padding-block: 32px; }
.footer-brand p { margin-top: 8px; color: var(--text); font-size: 14px; }
.footer-main nav { display: grid; align-content: start; justify-items: start; gap: 8px; font-size: 14px; }
.footer-main nav a { color: var(--text); }
.footer-main nav a:hover, .footer-bottom a:hover { color: var(--teal-dark); text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; padding-block: 15px; border-top: 1px solid var(--line); color: var(--text); font-size: 13px; }
.footer-meta { display: flex; flex-wrap: wrap; gap: 4px 16px; min-width: 0; overflow-wrap: anywhere; }
.footer-bottom > a { flex: none; }

.subpage-main { background: radial-gradient(ellipse at 18% 10%, #e3f6ee, transparent 67%), #f7faf9; }
.contact-page { max-width: 950px; padding-block: 57px; }
.contact-layout { display: grid; grid-template-columns: 1.35fr 1fr; gap: 21px; margin-top: 24px; }
.contact-layout:has(> .qr-card[hidden]) { grid-template-columns: minmax(0, 1fr); }
.channel-card h2, .form-card h2 { font-size: 24px; }
.channel-row { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding-block: 17px; border-bottom: 1px solid var(--line); }
.channel-row h3 { color: var(--text); font-size: 14px; }
.channel-row p { margin-top: 4px; font-size: 19px; font-weight: 700; overflow-wrap: anywhere; }
.channel-row .button { min-height: 38px; padding-inline: 14px; font-size: 14px; }
.contact-hours { color: var(--text); font-size: 14px; }
.contact-hours:not(:empty) { margin-top: 12px; }
.qr-card { text-align: center; }
.qr-card img { margin: 5px auto 0; image-rendering: pixelated; }
.qr-card p { color: var(--text); font-size: 14px; }
.contact-resources { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 21px; font-size: 14px; }
.register-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(24px, 6vw, 82px); max-width: 1030px; padding-block: 56px; }
.register-intro h1 { margin-top: 15px; }
.register-benefits { display: grid; gap: 11px; margin-top: 22px; padding-left: 19px; color: var(--teal-dark); font-size: 15px; font-weight: 650; }
.form-note { margin-top: 7px; color: var(--text); font-size: 14px; line-height: 1.6; }
#register-form { margin-top: 17px; }
.form-field { margin-top: 12px; }
.form-field label { display: block; margin-bottom: 5px; font-size: 14px; font-weight: 700; }
.form-field input, .form-field select {
  width: 100%; min-width: 0; min-height: 43px; padding: 8px 10px; border: 1px solid #c7dbd4;
  border-radius: 7px; background: #fff; color: var(--ink);
}
.code-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.code-field .button { min-height: 43px; padding-inline: 10px; font-size: 14px; }
.password-field { position: relative; }
.password-field input { padding-right: 86px; }
.password-field button { position: absolute; top: 5px; right: 5px; bottom: 5px; padding: 0 7px; border: 0; border-radius: 5px; background: var(--surface); color: var(--teal-dark); font-size: 13px; font-weight: 650; }
.password-field button:hover { background: var(--mint); }
.field-status { margin-top: 6px; color: var(--teal-dark); font-size: 13px; line-height: 1.55; }
.field-status:empty { margin: 0; }
.register-submit { width: 100%; margin-top: 17px; }
.register-result { margin-top: 19px; padding: 16px; border-radius: 9px; background: var(--mint); animation: enter .25s ease-out both; }
.register-result p { margin-top: 7px; color: var(--text); line-height: 1.6; }
.register-result .button { min-height: 41px; margin-top: 14px; padding-inline: 12px; font-size: 14px; }
.register-result button { margin-left: 6px; padding: 5px; border: 0; background: none; font-size: 14px; }

.reveal { animation: enter .42s ease-out both; }
@keyframes enter {
  from { opacity: .38; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1050px) {
  .container { width: calc(100% - 56px); }
  .section-space { padding-block: 60px; }
  .hero-inner { padding-block: 59px 65px; }
}
@media (max-width: 935px) {
  html { scroll-padding-top: 75px; }
  .header-inner { min-height: 63px; gap: 10px; }
  .main-nav, .header-actions > a:not(.button) { display: none; }
  .header-actions { margin-left: auto; }
  .mobile-nav { display: block; }
  .mobile-nav summary {
    display: flex; align-items: center; gap: 6px; min-height: 41px; padding-inline: 10px; border: 1px solid var(--line);
    border-radius: 8px; background: #fff; list-style: none; font-size: 13px; font-weight: 700;
  }
  .menu-icon { position: relative; width: 14px; height: 10px; border-block: 1px solid currentColor; }
  .menu-icon::after { position: absolute; top: 3.5px; right: 0; left: 0; border-top: 1px solid currentColor; content: ""; }
  .mobile-nav nav { position: absolute; top: calc(100% - 1px); right: 0; z-index: 1; display: grid; width: min(265px, 100%); padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: #fff; box-shadow: 0 12px 35px #132e2a20; }
  .mobile-nav nav a { padding: 9px 11px; border-radius: 6px; font-size: 14px; }
  .mobile-nav nav a:hover, .mobile-nav nav a[aria-current] { background: var(--mint); color: var(--teal-dark); }
  .tutorial-nav { top: 78px; }
}
@media (max-width: 800px) {
  .container { width: calc(100% - 40px); }
  .section-space { padding-block: 49px; }
  .hero-inner, .showcase-panel, .faq-section, .about-intro { grid-template-columns: minmax(0, 1fr); gap: 21px; }
  .hero-inner { gap: 26px; padding-block: 44px 47px; }
  .hero-copy p { margin-top: 14px; }
  .hero-actions { margin-top: 19px; }
  .hero-product { width: min(100%, 630px); justify-self: center; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .faq-section { gap: 16px; }
  .tutorial-layout { grid-template-columns: 188px minmax(0, 1fr); gap: 19px; }
  .tutorial-nav { padding: 12px; }
  .callout { align-items: start; flex-direction: column; }
}
@media (max-width: 600px) {
  .container { width: calc(100% - 32px); }
  .section-space { padding-block: 39px; }
  .hero h1 { font-size: clamp(33px, 9.5vw, 49px); }
  .brand { gap: 7px; font-size: 19px; }
  .brand img { width: 32px; height: 32px; }
  .button { min-height: 44px; padding-inline: 12px; font-size: 14px; }
  .header-button { min-height: 40px; font-size: 13px; }
  .hero-actions { gap: 8px; }
  .hero-actions .icon { font-size: 17px; }
  .platforms { display: grid; gap: 11px; padding-block: 15px; }
  .platforms p { font-size: 12px; }
  .platforms li { gap: 4px; font-size: 12px; }
  .platform-mark { width: 20px; height: 20px; border-radius: 4px; font-size: 10px; }
  .showcase-tabs { gap: 3px; padding: 5px; }
  .showcase-tabs button { gap: 4px; min-height: 40px; padding-inline: 1px; font-size: 12px; }
  .showcase-tabs .icon { font-size: 14px; }
  .showcase-panel { min-height: 0; padding: 16px; }
  .scenario-grid, .catalog-grid, .preview-gallery, .tutorial-layout, .download-layout, .contact-layout, .register-layout { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .scenario-grid article, .catalog-card, .channel-card, .form-card, .download-card, .install-card { padding: 18px; }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; margin-top: 17px; }
  .process li, .process li + li { padding: 10px 5px 10px 0; border: 0; }
  .split-heading, .pricing-strip-inner { flex-direction: column; align-items: start; gap: 11px; }
  .pricing-strip-inner { padding-block: 25px; }
  .tutorial-nav { position: static; }
  .tutorial-nav nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tutorial-nav strong { grid-column: 1 / -1; }
  .tutorial-steps article { gap: 10px; }
  .membership-card { border-radius: 17px; }
  .membership-features { grid-template-columns: minmax(0, 1fr); gap: 13px; }
  .membership-features p { font-size: 13px; }
  .gift-plans { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .gift-plan { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; }
  .gift-plan h3, .gift-amount { margin: 0; }
  .gift-plan h3 { font-size: 18px; }
  .gift-amount strong { font-size: clamp(25px, 6.4vw, 34px); }
  .gift-benefits { grid-column: 1 / -1; }
  .pricing-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .pricing-tabs button { min-height: 46px; }
  .service-prices { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .service-price { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 12px; }
  .service-price h3 { gap: 8px; }
  .service-icon { width: 34px; height: 34px; border-radius: 9px; font-size: 18px; }
  .service-amount { margin: 0; }
  .service-amount strong { font-size: 35px; }
  .service-description { grid-column: 1 / -1; padding-top: 10px; }
  .pricing-demo-note { text-align: center; font-size: 12px; }
  .contact-page, .register-layout { padding-block: 33px; }
  .register-benefits { display: none; }
  .footer-main { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding-block: 22px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-main nav { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}