:root {
  --ink: #14233a;
  --muted: #5c6e88;
  --line: #e3ebf6;
  --paper: #f3f6fb;
  --white: #fff;
  --coral: #3b7cff;
  --coral-dark: #245ed4;
  --shadow: 0 18px 50px rgba(24, 64, 140, 0.10);
  --radius: 22px;
  --wrap: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }
:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; }

.wrap { width: min(var(--wrap), calc(100% - 48px)); margin: 0 auto; }
.skip { position: absolute; left: 12px; top: -40px; background: #fff; padding: 8px 12px; z-index: 90; border-radius: 8px; }
.skip:focus { top: 8px; }

.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(243, 246, 251, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(20, 50, 110, 0.06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.nav-inner { height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-width: 160px; }
.brand svg, .brand .logo { width: 40px; height: 40px; border-radius: 12px; flex: none; }
.brand strong { display: block; font-size: 20px; line-height: 1; letter-spacing: 0.08em; }
.brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > a, .sub-toggle {
  text-decoration: none; color: #24344c; padding: 8px 12px; border-radius: 999px;
  background: transparent; border: 0; cursor: pointer; font-size: 15px;
}
.main-nav > a:hover, .sub-toggle:hover { background: rgba(255,255,255,.7); }
.main-nav > a[aria-current="page"], .sub-toggle[aria-current="page"] { background: #fff; font-weight: 700; }
.nav-actions { display: flex; align-items: center; gap: 8px; }
#nav-login {
  background: var(--coral); color: #fff; border: 0; min-height: 40px; padding: 0 16px; border-radius: 999px;
}
#nav-login:hover { background: var(--coral-dark); }
#nav-login,
a[href$="login.html"],
a[href$="store.html"] { display: none !important; }
.menu-btn {
  display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid #d5e2f2; background: #fff; cursor: pointer;
}
.menu-btn span { display: block; width: 16px; height: 1.5px; background: var(--ink); margin: 4px auto; }

.has-sub { position: relative; }
.has-sub::after {
  content: "";
  position: absolute;
  left: -16px;
  right: -16px;
  top: 100%;
  height: 22px;
}
.mega {
  display: none; position: absolute; top: calc(100% + 8px); left: 0; width: 780px; z-index: 30;
  padding: 18px; background: #fff; border-radius: 20px; box-shadow: var(--shadow);
  grid-template-columns: repeat(4, 1fr); gap: 6px 16px;
}
.has-sub:hover .mega, .has-sub:focus-within .mega, .has-sub.open .mega { display: grid; }
.mega > div { min-width: 0; }
.mega h3 { margin: 2px 8px 8px; font-size: 12px; color: #8aa0bb; letter-spacing: 0.12em; }
.mega a { display: flex; align-items: flex-start; gap: 10px; text-decoration: none; padding: 8px; border-radius: 12px; font-size: 14px; font-weight: 650; }
.mega-logo { width: 32px; height: 32px; flex: none; border-radius: 9px; object-fit: contain; background: #f3f7ff; margin-top: 1px; }
.mega-copy { min-width: 0; line-height: 1.35; }
.mega a .mega-copy > span { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; font-weight: 400; }
.mega a:hover { background: #f3f7ff; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 48px; padding: 0 18px; border-radius: 14px; text-decoration: none; border: 1px solid transparent;
  cursor: pointer; font-weight: 650;
}
.btn-primary { background: var(--coral); color: #fff; }
.btn-primary:hover { background: var(--coral-dark); }
.btn-coral { background: var(--coral); color: #fff; }
.btn-coral:hover { background: var(--coral-dark); }
.btn-line { background: #fff; border-color: #d5e2f2; color: var(--ink); }
.btn-line:hover { border-color: #b7cceb; }
.btn-small { min-height: 48px; padding: 0 16px; font-size: 15px; }

.hero {
  position: relative; overflow: hidden; color: #fff;
  margin: 20px auto 0;
  width: min(var(--wrap), calc(100% - 48px));
  border-radius: 32px;
  box-shadow: 0 28px 60px rgba(24, 72, 180, 0.22);
  background:
    radial-gradient(560px 280px at 86% 8%, rgba(255,255,255,.36), transparent 62%),
    linear-gradient(155deg, #8eb6ff 0%, #3f7cf3 44%, #1c4ec4 100%);
}
.hero .wrap { width: 100%; }
.hero-layout {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
  padding: 64px 52px;
}
.hero-copy { max-width: 640px; }
.eyebrow { color: var(--coral); font-weight: 700; font-size: 13px; letter-spacing: 0.18em; margin-bottom: 16px; }
.hero .eyebrow { color: rgba(255,255,255,.9); }
.hero .btn-coral {
  min-height: 48px; padding: 0 22px; border-radius: 14px; font-size: 15px;
  background: #fff; color: #1c4ec4;
  box-shadow: inset 0 1px 0 #fff, 0 14px 28px rgba(16, 48, 120, 0.24);
}
.hero .btn-coral:hover { background: #f4f8ff; transform: translateY(-1px); }
.hero h1 { font-size: clamp(40px, 4.6vw, 64px); line-height: 1.08; font-weight: 750; letter-spacing: -0.03em; }
.hero .lede { margin-top: 18px; color: rgba(255,255,255,.86); font-size: 18px; max-width: 520px; }
.hero-actions, .card-actions, .page-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero .btn-line { background: transparent; color: #fff; border-color: rgba(255,255,255,.28); }
.hero .btn-line:hover { border-color: #fff; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.hero-notes span, .tag, .chip {
  border-radius: 999px; border: 1px solid transparent; font-size: 13px;
}
.hero-notes span {
  min-height: 36px; padding: 0 14px; display: inline-flex; align-items: center;
  background: rgba(255,255,255,.14); color: #fff;
  border-color: rgba(255,255,255,.28);
}
.hero-board {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 24px;
  padding: 22px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 18px 40px rgba(16, 48, 120, 0.16);
  backdrop-filter: blur(10px);
}
.hero-mark { display: flex; align-items: center; gap: 16px; }
.hero-mark img { width: 72px; height: 72px; border-radius: 20px; box-shadow: 0 10px 24px rgba(16, 48, 120, 0.2); }
.hero-mark strong { display: block; font-size: 18px; line-height: 1.35; }
.hero-mark span { display: block; margin-top: 4px; color: rgba(255,255,255,.78); font-size: 14px; }
.hero-points { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.hero-points li {
  display: flex; flex-direction: column; gap: 2px;
  background: rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 14px 16px;
}
.hero-points b { font-size: 15px; }
.hero-points span { color: rgba(255,255,255,.76); font-size: 13px; }
.tag { padding: 4px 10px; background: #eef3fb; color: #3d5270; }
.page-hero .eyebrow, .product-hero .eyebrow { color: var(--coral); }

.section { padding: 36px 0 64px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 18px; }
.section-head h2, .panel h2, .side-card h2, .band h2 { font-size: 32px; line-height: 1.2; font-weight: 750; letter-spacing: -0.03em; }
.section-head p { color: var(--muted); margin-top: 6px; }
.section-head a { color: var(--ink); text-decoration: none; font-weight: 700; border-bottom: 1px solid var(--ink); }

.cats, .reasons, .scenes, .feature-grid, .product-grid, .store-grid { display: grid; gap: 16px; }
.cats, .reasons, .scenes { grid-template-columns: repeat(4, 1fr); }
.product-grid { grid-template-columns: repeat(6, 1fr); }
.store-grid { grid-template-columns: repeat(3, 1fr); }
.feature-grid { grid-template-columns: repeat(4, 1fr); }
.cat, .reason, .scene, .feature, .product-card, .store-card, .panel, .faq, .side-card {
  background: #fff; border: 0; border-radius: var(--radius);
}
.cat, .scene {
  padding: 8px 4px 0; text-decoration: none; display: block; min-height: 0;
  background: transparent; box-shadow: none; border-radius: 0; border-top: 1px solid #d5e3f2;
}
.cat:hover, .scene:hover { transform: none; }
.cat b, .scene b { display: block; margin: 14px 0 6px; font-size: 20px; }
.cat span, .scene span, .muted { color: var(--muted); }
.cat span, .scene span { display: block; font-size: 14px; line-height: 1.6; }
.product-card, .store-card {
  padding: 22px; display: flex; flex-direction: column; min-height: 250px;
  box-shadow: 0 1px 0 rgba(24, 64, 140, 0.04);
  transition: transform .18s ease, box-shadow .18s ease;
}
.product-card { grid-column: span 2; }
.product-card.feature { background: linear-gradient(145deg, #7eafff 0%, #4c88f8 46%, #2d6be0 100%); color: #fff; }
.product-card:hover, .store-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card h3, .store-card h3 { font-size: 22px; margin: 4px 0 8px; line-height: 1.3; }
.product-card p, .store-card p, .feature p, .reason p { color: var(--muted); }
.product-card.feature p, .product-card.feature .kicker { color: rgba(255,255,255,.68); }
.product-card.feature .tag { background: rgba(255,255,255,.1); color: #fff; }
.product-card.feature .btn-primary { background: #fff; color: #1f5fd0; }
.product-card.feature .btn-line { color: #fff; background: transparent; }
.card-actions { margin-top: auto; padding-top: 18px; flex-direction: column; align-items: flex-start; gap: 2px; }
.card-actions .btn-line { background: transparent; border-color: transparent; padding-left: 0; color: #2f6fe0; }
.home .product-card .tags { display: flex; flex-wrap: wrap; gap: 10px; }
.home .product-card .card-actions .btn-primary,
.catalog .card-actions .btn-primary {
  min-height: 48px; border-radius: 14px; font-size: 15px;
  background: linear-gradient(180deg, #4d86ff 0%, #2a66e8 100%);
  box-shadow: 0 8px 16px rgba(42, 102, 232, 0.22);
}
.home .product-card:not(.feature) .card-actions .btn-primary:hover,
.catalog .card-actions .btn-primary:hover {
  background: linear-gradient(180deg, #3d78f6 0%, #1f56d4 100%);
}
.home .product-card .card-actions .btn-primary { width: 100%; }
.home .product-card.feature .card-actions .btn-primary {
  background: #fff; color: #1f5fd0;
  box-shadow: 0 10px 22px rgba(16, 48, 120, 0.18);
}
.home .product-card.feature .card-actions {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 8px;
}
.home .product-card.feature .card-actions .btn-primary,
.home .product-card.feature .card-actions .btn-line {
  width: auto;
  min-width: 0;
  padding: 0 8px;
  font-size: 14px;
  white-space: nowrap;
}
.home .product-card.feature .card-more { grid-column: 1 / -1; }
.home .product-card .card-actions .btn-line {
  min-height: 44px; width: 100%; padding: 0 16px; border-radius: 14px; justify-content: center;
  background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.3); color: #fff;
}
.home .product-card .card-actions .btn-line:hover { background: rgba(255,255,255,.22); border-color: #fff; }
.home .card-more,
.catalog .card-more {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 4px; padding-top: 14px; width: 100%;
  border-top: 1px solid #e3edf8;
  color: #1c4ec4; font-size: 14px; font-weight: 700; text-decoration: none;
}
.home .card-more::after,
.catalog .card-more::after { content: "→"; font-size: 16px; }
.home .card-more:hover,
.catalog .card-more:hover { color: #163e86; }
.mark {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  background: #e7f0ff; color: var(--coral); margin-bottom: 16px;
}
.mark svg { width: 22px; height: 22px; }
.product-card.feature .mark { background: rgba(255,255,255,.1); color: #fff; }
.kicker { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: #8aa0bb; }
.reason, .feature { padding: 22px; }
.reason strong, .feature h3 { display: block; margin-bottom: 8px; font-size: 18px; }
.band {
  margin-top: 8px; color: #fff; border-radius: 28px; padding: 40px 36px;
  display: flex; justify-content: space-between; gap: 20px; align-items: center;
  box-shadow: 0 18px 40px rgba(24, 72, 180, 0.16);
  background:
    radial-gradient(420px 180px at 92% 0%, rgba(255,255,255,.32), transparent 62%),
    linear-gradient(155deg, #8eb6ff 0%, #3f7cf3 46%, #1c4ec4 100%);
}
.band p { color: rgba(255,255,255,.86); margin-top: 8px; max-width: 640px; }
.band .btn-coral {
  min-height: 48px; padding: 0 22px; border-radius: 14px; flex: none;
  background: #fff; color: #1c4ec4;
  box-shadow: inset 0 1px 0 #fff, 0 12px 24px rgba(16, 48, 120, 0.22);
}
.band .btn-coral:hover { background: #f4f8ff; }
.band .btn-line { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); min-height: 52px; padding: 0 22px; border-radius: 16px; }

.page-hero { padding: 28px 0 8px; }
.page-hero h1, .product-hero h1 { font-size: clamp(36px, 4vw, 56px); line-height: 1.12; font-weight: 750; letter-spacing: -0.03em; }
.lede { margin-top: 12px; color: var(--muted); font-size: 17px; max-width: 640px; }
.crumb { color: #8aa0bb; font-size: 13px; margin-bottom: 12px; }
.crumb a { color: #8aa0bb; text-decoration: none; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip { padding: 8px 14px; background: #fff; cursor: pointer; border: 0; color: var(--ink); }
.chip.is-on { background: var(--ink); color: #fff; }
.help-grid { display: grid; gap: 10px; }
.faq { padding: 2px 22px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; }
.faq p { color: var(--muted); margin: 0 0 16px; }
.help-tools { margin-top: 16px; max-width: 480px; }
.help-tools input, .field input, .field textarea {
  width: 100%; border: 1px solid #d5e3f3; border-radius: 14px; background: #fff; padding: 13px 14px;
}
.help-tools input:focus, .field input:focus, .field textarea:focus {
  outline: none; border-color: #8eb6ff; box-shadow: 0 0 0 4px rgba(59, 124, 255, 0.14);
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field label { font-size: 13px; font-weight: 700; }
.form-result, .empty { border-radius: 12px; background: #eef4ff; padding: 12px 14px; }
.login-grid, .biz-grid, .contact-grid, .split, .product-hero { display: grid; gap: 20px; align-items: start; }
.login-grid, .biz-grid, .contact-grid, .split, .product-hero { grid-template-columns: 1.2fr 0.8fr; }
.panel, .side-card { padding: 26px; }
.tabs { display: inline-flex; gap: 4px; margin-bottom: 16px; padding: 4px; background: #eef3fb; border-radius: 999px; }
.tabs button { border: 0; background: transparent; border-radius: 999px; padding: 8px 14px; cursor: pointer; color: #6d625c; }
.tabs button.is-on { background: #fff; color: var(--ink); font-weight: 700; }
.qr-row { display: flex; gap: 12px; flex-wrap: wrap; }
.qr-card {
  width: 150px; text-align: center; font-size: 13px; color: var(--muted);
  background: #f3f7ff; border-radius: 18px; padding: 12px;
}
.qr-card img, .qr-placeholder { width: 112px; height: 112px; margin: 0 auto 8px; border-radius: 12px; background: #fff; object-fit: cover; }
.qr-placeholder { border: 1px dashed #c9d8ee; display: flex; align-items: center; justify-content: center; line-height: 1.4; padding: 8px; }
.site-footer {
  background: #12356b; color: #d5e4f7;
  width: min(var(--wrap), calc(100% - 48px));
  margin: 8px auto 16px; padding: 52px 32px 22px; border-radius: 32px;
}
.site-footer .wrap { width: 100%; }
.footer-grid { display: grid; grid-template-columns: 1.45fr 1fr 0.85fr 1.15fr; gap: 48px 40px; align-items: start; }
.footer-brand .brand { flex-direction: column; align-items: flex-start; gap: 14px; min-width: 0; }
.footer-brand .brand .logo { width: 56px; height: 56px; border-radius: 16px; }
.footer-brand .brand strong { font-size: 22px; letter-spacing: 0.14em; }
.footer-brand .brand small { margin-top: 0; font-size: 13px; letter-spacing: 0.02em; line-height: 1.5; color: #c5d6ee; }
.footer-brand > p { margin: 18px 0 0; max-width: 260px; line-height: 1.85; color: #c5d6ee; }
.site-footer h3 { color: #fff; font-size: 13px; margin: 6px 0 16px; letter-spacing: 0.14em; }
.site-footer br { display: none; }
.site-footer a { color: #d5e4f7; text-decoration: none; display: block; margin: 0 0 12px; line-height: 1.5; }
.site-footer .brand { display: flex; }
.site-footer a:hover { color: #fff; }
.site-footer .brand strong { color: #fff; }
.site-footer .footer-grid > div:not(.footer-brand) > p { margin: 0 0 16px; font-size: 14px; line-height: 1.75; }
.legal a { display: inline; margin: 0; }
.site-footer .qr-card { background: rgba(255,255,255,.06); color: #d5e4f7; }
.site-footer .qr-placeholder { background: transparent; color: #d5e4f7; border-color: rgba(255,255,255,.25); }
.legal { border-top: 1px solid rgba(255,255,255,.08); margin-top: 28px; padding-top: 14px; font-size: 13px; color: #9eb4d4; }
.legal a { color: #9eb4d4; }
.steps { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.steps li { margin: 8px 0; }
.qr-box {
  position: relative; width: 220px; height: 220px; margin: 8px auto 12px;
  background: #fff; border-radius: 24px; display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 0 0 10px #eef3fb;
}
.qr-box img { width: 176px; height: 176px; object-fit: contain; }
.qr-mask {
  position: absolute; inset: 0; border-radius: 24px; background: rgba(255,255,255,.94);
  display: none; align-items: center; justify-content: center;
}
.qr-box.is-expired .qr-mask, .qr-box.is-loading .qr-mask { display: flex; }
.qr-box.is-loading #wx-refresh { display: none; }
.qr-box.is-loading .qr-mask::after { content: "二维码加载中"; color: var(--muted); font-size: 14px; }
.price-pending {
  display: inline-flex; margin-top: 12px; padding: 4px 10px; border-radius: 999px;
  background: #e7f0ff; color: var(--coral); font-weight: 700; font-size: 13px;
}
.account-line { margin: 8px 0; }
.panel h2, .side-card h2 { margin-bottom: 8px; }

.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 20px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(16, 36, 72, .46); backdrop-filter: blur(10px); }
.modal-dialog {
  position: relative; width: min(440px, 100%); max-height: min(720px, calc(100vh - 40px)); overflow: auto;
  background: #fff; border-radius: 28px; padding: 28px 26px 22px;
  box-shadow: 0 30px 80px rgba(20, 48, 110, .28);
}
.modal-close {
  position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border: 0; border-radius: 50%;
  background: #eef3fb; cursor: pointer; font-size: 20px; line-height: 1;
}
.modal-kicker { color: var(--coral); font-size: 12px; font-weight: 700; letter-spacing: 0.14em; }
.qr-dialog { text-align: center; }
.qr-dialog img { width: 240px; height: 240px; margin: 16px auto 8px; }
.dock { position: fixed; right: 20px; bottom: 28px; z-index: 45; display: flex; flex-direction: column; gap: 12px; }
.dock-btn {
  width: 48px; height: 48px; min-height: 48px; padding: 0; border: 0; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer;
  background: #fff; color: #2457d6;
  box-shadow: 0 10px 24px rgba(24, 64, 140, 0.16);
}
.dock-btn svg { width: 22px; height: 22px; display: block; }
.dock-btn:hover, .dock-btn[aria-expanded="true"] { background: var(--coral); color: #fff; }
.dock-pop {
  position: absolute; right: 62px; bottom: 0; width: 176px; padding: 14px 14px 12px;
  background: #fff; border-radius: 18px; text-align: center;
  box-shadow: 0 16px 40px rgba(24, 64, 140, 0.16);
}
.dock-pop[hidden] { display: none; }
.dock-pop img { width: 128px; height: 128px; margin: 0 auto 8px; border-radius: 8px; }
.dock-pop p { font-size: 13px; color: var(--muted); }
.dock-pop a { display: inline-block; margin-top: 6px; color: var(--coral); font-size: 13px; font-weight: 700; text-decoration: none; }
.modal-dialog h2 { font-size: 28px; letter-spacing: -0.03em; margin: 6px 0 8px; }
.modal-dialog .tabs { display: flex; width: 100%; }
.modal-dialog .tabs button { flex: 1; }
body.modal-open { overflow: hidden; }

.help-page .help-banner {
  width: min(var(--wrap), calc(100% - 48px));
  margin: 20px auto 0;
  padding: 56px 0 40px;
  border-radius: 32px;
  color: #fff;
  box-shadow: 0 28px 60px rgba(24, 72, 180, 0.22);
  background:
    radial-gradient(520px 240px at 92% 0%, rgba(255,255,255,.34), transparent 62%),
    linear-gradient(155deg, #8eb6ff 0%, #3f7cf3 46%, #1c4ec4 100%);
}
.help-page .help-banner .wrap { width: auto; margin: 0; padding: 0 44px; }
.help-page .help-banner h1, .help-page .help-banner .crumb { color: #fff; }
.help-page .help-banner .lede { color: rgba(255,255,255,.86); }
.help-page .help-tools { max-width: 560px; }
.help-page .help-tools input { border: 0; background: #fff; box-shadow: 0 10px 24px rgba(18, 48, 110, 0.12); }
.help-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.7fr); gap: 28px; align-items: start; }
.help-group { margin-bottom: 28px; }
.help-group h2 { font-size: 22px; margin: 0 0 14px; }
.help-page .faq { padding: 0 22px; margin: 0 0 12px; }
.help-page .faq summary {
  list-style: none; cursor: pointer; font-weight: 700; padding: 18px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.help-page .faq summary::-webkit-details-marker { display: none; }
.help-page .faq summary::after {
  content: "+"; flex: none; width: 28px; height: 28px; border-radius: 50%;
  background: #e8f1ff; color: #1f5fd0; display: grid; place-items: center; font-weight: 500;
}
.help-page .faq[open] summary::after { content: "–"; }
.help-page .faq p { margin: 0 0 18px; line-height: 1.75; }
.help-aside { position: sticky; top: 96px; }
.help-page .empty { margin-bottom: 16px; }

.enterprise-page .enterprise-banner {
  width: min(var(--wrap), calc(100% - 48px));
  margin: 20px auto 0;
  padding: 56px 0 40px;
  border-radius: 32px;
  color: #fff;
  box-shadow: 0 28px 60px rgba(24, 72, 180, 0.22);
  background:
    radial-gradient(520px 240px at 92% 0%, rgba(255,255,255,.34), transparent 62%),
    linear-gradient(155deg, #8eb6ff 0%, #3f7cf3 46%, #1c4ec4 100%);
}
.enterprise-page .enterprise-banner .wrap { width: auto; margin: 0; padding: 0 44px; }
.enterprise-page .enterprise-banner h1,
.enterprise-page .enterprise-banner .crumb { color: #fff; }
.enterprise-page .enterprise-banner .lede { color: rgba(255,255,255,.86); max-width: 680px; }
.enterprise-points { grid-template-columns: repeat(4, 1fr); }
.enterprise-page .feature { min-height: 168px; background: linear-gradient(180deg, #f4f8ff, #fff 60%); }
.enterprise-qr {
  width: min(420px, 100%);
  margin: 0 auto;
  padding: 36px 28px 28px;
  background: #fff;
  border-radius: 28px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(24, 64, 140, 0.08);
}
.enterprise-qr .kicker { color: var(--coral); margin-bottom: 8px; }
.enterprise-qr h2 { font-size: 28px; margin-bottom: 8px; }
.enterprise-qr p { color: var(--muted); }
.enterprise-qr img { width: 180px; height: 180px; margin: 22px auto 10px; border-radius: 12px; }
.enterprise-qr span { color: var(--muted); font-size: 14px; }

#contact { scroll-margin-top: 88px; }
.about-page .about-banner {
  width: min(var(--wrap), calc(100% - 48px));
  margin: 20px auto 0;
  padding: 56px 0 40px;
  border-radius: 32px;
  color: #fff;
  box-shadow: 0 28px 60px rgba(24, 72, 180, 0.22);
  background:
    radial-gradient(520px 240px at 92% 0%, rgba(255,255,255,.34), transparent 62%),
    linear-gradient(155deg, #8eb6ff 0%, #3f7cf3 46%, #1c4ec4 100%);
}
.about-page .about-banner .wrap { width: auto; margin: 0; padding: 0 44px; }
.about-page .about-banner h1, .about-page .about-banner .crumb { color: #fff; }
.about-page .about-banner .lede { color: rgba(255,255,255,.86); max-width: 640px; }
.about-page .panel .kicker { color: var(--coral); margin-bottom: 8px; }
.about-page .panel h2 { margin-bottom: 12px; }
.about-page .panel p + p { margin-top: 12px; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.value {
  background: #fff; border-radius: 22px; padding: 24px 22px 22px; min-height: 220px;
}
.value span { display: block; color: var(--coral); font-weight: 750; letter-spacing: 0.08em; margin-bottom: 18px; }
.value h3 { font-size: 22px; margin-bottom: 10px; }
.value p { color: var(--muted); }

.catalog-page .page-hero {
  margin: 20px auto 0;
  width: min(var(--wrap), calc(100% - 48px));
  padding: 56px 44px 40px;
  border-radius: 32px;
  color: #fff;
  box-shadow: 0 28px 60px rgba(24, 72, 180, 0.22);
  background:
    radial-gradient(520px 240px at 92% 0%, rgba(255,255,255,.34), transparent 62%),
    linear-gradient(155deg, #8eb6ff 0%, #3f7cf3 46%, #1c4ec4 100%);
}
.catalog-page .page-hero .wrap { width: 100%; }
.catalog-page .page-hero h1, .catalog-page .crumb { color: #fff; }
.catalog-page .lede { color: rgba(255,255,255,.88); font-size: 18px; max-width: 680px; }
.catalog-page .chip {
  min-height: 44px; padding: 0 20px; border-radius: 999px;
  background: rgba(255,255,255,.14); color: #fff;
  border: 1px solid rgba(255,255,255,.28);
  backdrop-filter: blur(8px);
}
.catalog-page .chip.is-on {
  background: #fff; color: #1c4ec4; border-color: #fff;
  box-shadow: 0 8px 18px rgba(16, 48, 120, 0.16);
}
.catalog .product-card[hidden] { display: none; }
.catalog .product-card {
  position: relative;
  overflow: hidden;
  grid-column: auto;
  min-height: 360px;
  padding: 30px 26px 24px;
  border-radius: 26px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(180deg, rgba(255,255,255,.9), rgba(226, 236, 252, .9)) border-box;
  border: 1px solid #e4edf8;
  box-shadow: 0 16px 40px rgba(24, 64, 140, 0.07);
}
.catalog .product-card::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: linear-gradient(90deg, #8eb6ff, #2f6be0);
}
.catalog .product-card[data-cat="image"]::before { background: linear-gradient(90deg, #7ec8ff, #3b7cff); }
.catalog .product-card[data-cat="file"]::before { background: linear-gradient(90deg, #6aa2ff, #2457d6); }
.catalog .product-card[data-cat="data"]::before { background: linear-gradient(90deg, #9eb4ff, #355ed0); }
.catalog .product-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(24, 64, 140, 0.14); }
.catalog .product-card h3 { font-size: 24px; margin: 6px 0 10px; letter-spacing: -0.02em; }
.catalog .product-card p { line-height: 1.75; }
.catalog .mark {
  width: 54px; height: 54px; border-radius: 18px; margin-bottom: 18px;
  background: linear-gradient(180deg, #f4f8ff, #e5efff);
  box-shadow: inset 0 1px 0 #fff, 0 8px 16px rgba(47, 107, 224, 0.08);
}
.catalog .kicker { color: #5d7eae; letter-spacing: 0.12em; }
.catalog .product-card .tags { display: flex; flex-wrap: wrap; gap: 10px; }
.catalog .tag { background: #f4f8ff; color: #2a4f86; border-radius: 999px; padding: 5px 12px; }
.catalog .card-actions {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  gap: 10px;
  margin-top: auto;
  padding-top: 22px;
}
.catalog .product-card[data-cat="av"] .card-actions {
  grid-template-columns: 1.25fr 1fr 1fr;
}
.catalog .product-card[data-cat="av"] .card-more { grid-column: 1 / -1; }
.catalog .product-card[data-cat="av"] .card-actions .btn:nth-child(-n+3) {
  width: auto;
  min-width: 0;
  padding: 0 8px;
  font-size: 14px;
}
.catalog .card-actions .btn,
.catalog .card-actions .btn-small {
  min-height: 48px;
  padding: 0 16px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.25;
  width: 100%;
  flex: none;
  white-space: nowrap;
  text-align: center;
}
.catalog .card-actions .btn-primary {
  background: linear-gradient(180deg, #4d86ff 0%, #2a66e8 100%);
  box-shadow: 0 8px 16px rgba(42, 102, 232, 0.22);
}
.catalog .card-actions .btn-primary:hover {
  background: linear-gradient(180deg, #3d78f6 0%, #1f56d4 100%);
  transform: none;
}
.catalog .card-actions .btn-line {
  background: #fff;
  border: 1px solid #c9daf0;
  color: #1a3f86;
  padding-left: 16px;
  box-shadow: inset 0 1px 0 #fff, 0 6px 14px rgba(24, 64, 140, 0.06);
}
.catalog .card-actions .btn-line:hover {
  background: #f5f9ff;
  border-color: #8eb4f5;
  color: #1646b8;
}

.product-page .page-hero { background: transparent; padding: 16px 0 0; }
.product-page .product-hero {
  position: relative; overflow: hidden;
  margin: 0 auto; padding: 44px 44px;   border-radius: 32px; color: #fff; align-items: stretch;
  box-shadow: 0 28px 60px rgba(24, 72, 180, 0.16);
  background:
    radial-gradient(420px 220px at 92% 0%, rgba(255,255,255,.32), transparent 60%),
    linear-gradient(155deg, #8eb6ff 0%, #3f7cf3 46%, #1c4ec4 100%);
}
.product-page .product-hero > * { position: relative; z-index: 1; }
.product-page .product-hero h1 { color: #fff; }
.product-page .product-hero .lede { color: rgba(255,255,255,.84); }
.product-page .product-hero .eyebrow { color: rgba(255,255,255,.92); }
.product-page .product-hero .crumb, .product-page .product-hero .crumb a { color: rgba(255,255,255,.78); }
.product-page .product-hero .tags { display: flex; flex-wrap: wrap; gap: 10px; }
.product-page .product-hero .tag { background: rgba(255,255,255,.16); color: #fff; }
.product-page .page-actions .btn { min-height: 48px; padding: 0 22px; border-radius: 14px; }
.product-page .product-hero .btn-primary { background: #fff; color: #1f5fd0; box-shadow: 0 10px 22px rgba(16, 48, 120, 0.18); }
.product-page .product-hero .btn-primary:hover { background: #f4f8ff; }
.product-page .product-hero .btn-line { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.product-page .product-hero .btn-line:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.product-page .product-hero .side-card {
  background: #fff; color: var(--ink); border-radius: 22px; padding: 28px 24px;
  display: flex; flex-direction: column; justify-content: center; margin: 0;
  box-shadow: 0 18px 40px rgba(18, 48, 110, 0.18);
}
.product-page .product-hero .side-card .kicker { color: var(--coral); }
.product-page .product-hero .side-card h2 { font-size: 26px; line-height: 1.3; overflow-wrap: anywhere; margin: 8px 0 10px; }
.product-page .product-hero .side-card h2 a { color: #1f5fd0; text-decoration: none; }
.product-page .product-hero .side-card h2 a::after { content: " ↗"; font-size: .72em; }
.product-page .product-hero .side-card h2 a:hover { color: var(--coral-dark); }
.product-page .product-hero .side-card p { color: var(--muted); }
.product-page .feature-grid { grid-template-columns: repeat(3, 1fr); counter-reset: feat; }
.product-page .feature {
  position: relative; overflow: hidden;
  padding: 26px 24px 24px; min-height: 168px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(24, 64, 140, 0.05);
}
.product-page .feature::before {
  counter-increment: feat;
  content: counter(feat, decimal-leading-zero);
  display: block;
  margin-bottom: 16px;
  color: var(--coral);
  font-weight: 750;
  letter-spacing: 0.08em;
}
.product-page .feature:nth-child(1) { background: linear-gradient(180deg, #f3f8ff, #fff 58%); }
.product-page .feature:nth-child(2) { background: linear-gradient(180deg, #f7fbff, #fff 62%); }
.product-page .feature:nth-child(3) { background: linear-gradient(180deg, #eef4ff, #fff 54%); }
.product-page .feature h3 { font-size: 20px; margin-bottom: 8px; }
.product-page .related .scenes { gap: 16px; grid-template-columns: repeat(3, 1fr); }
.product-page .related .scene {
  display: flex; flex-direction: column; justify-content: space-between;
  background: #fff; border: 0; border-radius: 18px; padding: 22px 20px 18px; min-height: 132px;
  box-shadow: 0 10px 30px rgba(24, 64, 140, 0.05);
}
.product-page .related .scene b { margin-top: 0; font-size: 18px; }
.product-page .related .scene span {
  display: inline-flex; align-self: flex-start; margin-top: 14px;
  padding: 3px 10px; border-radius: 999px; background: #e8f1ff; color: #1f5fd0;
  font-size: 12px; font-weight: 700;
}
.product-page .related .scene::after {
  content: "查看详情 →";
  margin-top: 16px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 700;
}
.product-page[data-tone="image"] .product-hero {
  background:
    radial-gradient(420px 220px at 92% 0%, rgba(255,255,255,.32), transparent 60%),
    linear-gradient(155deg, #67c3ff 0%, #3b8bff 48%, #245fe0 100%);
}
.product-page[data-tone="file"] .product-hero {
  background:
    radial-gradient(420px 220px at 92% 0%, rgba(255,255,255,.28), transparent 60%),
    linear-gradient(155deg, #6eb0ff 0%, #3f78ee 46%, #1d4fbe 100%);
}
.product-page[data-tone="data"] .product-hero {
  background:
    radial-gradient(420px 220px at 92% 0%, rgba(255,255,255,.3), transparent 60%),
    linear-gradient(155deg, #8eb6ff 0%, #4d7ef0 50%, #2a56c8 100%);
}
.product-page .feature { border-top: 3px solid transparent; }
.product-page .feature:nth-child(1) { border-top-color: #3b7cff; }
.product-page .feature:nth-child(2) { border-top-color: #67a4ff; }
.product-page .feature:nth-child(3) { border-top-color: #2457d6; }
.product-page .related .scene:nth-child(1) { border-top: 3px solid #3b7cff; }
.product-page .related .scene:nth-child(2) { border-top: 3px solid #67a4ff; }
.product-page .related .scene:nth-child(3) { border-top: 3px solid #2457d6; }
.product-page .related .scene:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

@media (max-width: 980px) {
  .wrap { width: min(var(--wrap), calc(100% - 32px)); }
  .hero { width: min(var(--wrap), calc(100% - 20px)); margin: 12px auto 0; border-radius: 24px; }
  .hero-layout { grid-template-columns: 1fr; gap: 22px; padding: 36px 20px 28px; }
  .hero h1 { font-size: 36px; }
  .site-footer { width: min(var(--wrap), calc(100% - 20px)); margin: 12px auto 10px; padding: 36px 18px 18px; border-radius: 24px; }
  .menu-btn { display: inline-block; }
  .has-sub::after { display: none; }
  .main-nav {
    display: none; position: absolute; left: 10px; right: 10px; top: calc(100% + 6px);
    background: #fff; border-radius: 18px; padding: 10px; flex-direction: column; align-items: stretch;
    box-shadow: var(--shadow);
  }
  body.nav-open .main-nav { display: flex; }
  .mega, .has-sub:hover .mega, .has-sub:focus-within .mega { position: static; display: none; width: auto; box-shadow: none; padding: 0 0 8px 8px; }
  .has-sub.open .mega { display: grid; grid-template-columns: 1fr; }
  .product-grid, .cats, .reasons, .scenes, .feature-grid, .store-grid,
  .login-grid, .biz-grid, .contact-grid, .split, .product-hero, .footer-grid { grid-template-columns: 1fr; }
  .product-card, .product-card.feature, .catalog .product-card { grid-column: auto; grid-row: auto; min-height: 0; }
  .help-layout, .enterprise-points, .values, .about-page .split { grid-template-columns: 1fr; }
  .help-aside { position: static; }
  .help-page .help-banner { width: min(var(--wrap), calc(100% - 20px)); padding: 32px 0 28px; }
  .help-page .help-banner .wrap { padding: 0 18px; }
  .enterprise-page .enterprise-banner { width: min(var(--wrap), calc(100% - 20px)); padding: 32px 0 28px; }
  .enterprise-page .enterprise-banner .wrap { padding: 0 18px; }
  .about-page .about-banner { width: min(var(--wrap), calc(100% - 20px)); padding: 32px 0 28px; }
  .about-page .about-banner .wrap { padding: 0 18px; }
  .value { min-height: 0; }
  .catalog-page .page-hero { width: min(var(--wrap), calc(100% - 20px)); margin-left: auto; margin-right: auto; padding: 36px 18px 28px; }
  .product-page .product-hero { width: min(var(--wrap), calc(100% - 20px)); margin-left: auto; margin-right: auto; padding: 28px 18px; }
  .band { flex-direction: column; align-items: flex-start; padding: 24px; }
  .dock { right: 12px; bottom: 16px; }
  .dock-pop { right: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .product-card, .store-card { transition: none; }
}

/* 通栏列表版式：主色不变，卡片圆角布局改为横条与分隔线 */
body { background: #fff; }
.tag, .modal-dialog, .modal-close, .tabs, .tabs button,
.help-tools input, .field input, .field textarea, .qr-card, .qr-box, .dock-pop {
  border-radius: 0;
}
.dock-btn { border-radius: 50%; }
.site-header {
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(20, 50, 110, 0.08);
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.04);
  backdrop-filter: blur(16px);
}
.brand svg, .brand .logo { border-radius: 12px; }
.main-nav > a, .sub-toggle { border-radius: 0; padding: 8px 0; margin: 0 12px; }
.main-nav > a:hover, .sub-toggle:hover { background: transparent; color: var(--coral); }
.main-nav > a[aria-current="page"], .sub-toggle[aria-current="page"] {
  background: transparent; color: var(--coral); box-shadow: inset 0 -2px 0 var(--coral);
}
.mega {
  position: fixed; left: 0; right: 0; top: 72px; width: auto; transform: none;
  border-radius: 0; border-top: 3px solid var(--coral);
  box-shadow: 0 18px 40px rgba(20, 40, 80, 0.08);
  padding: 22px max(24px, calc((100vw - 1160px) / 2));
}
.menu-btn { border-radius: 0; }

.hero, .catalog-page .page-hero, .help-page .help-banner,
.enterprise-page .enterprise-banner, .about-page .about-banner, .product-page .page-hero {
  width: 100%; margin: 0; border-radius: 0; box-shadow: none;
  background: #1c4ec4;
}
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(480px 260px at 8% -10%, rgba(255,255,255,.28), transparent 62%),
    radial-gradient(620px 380px at 96% 8%, rgba(142, 186, 255, .7), transparent 58%),
    radial-gradient(520px 280px at 72% 120%, rgba(10, 36, 120, .55), transparent 70%),
    linear-gradient(122deg, #143aa8 0%, #1c4ec4 46%, #3d7dff 100%);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}
.hero::before {
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.22) 1.1px, transparent 1.1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(100deg, transparent 0%, rgba(0,0,0,.15) 28%, #000 70%);
}
.hero::after {
  width: 460px;
  height: 460px;
  right: 6%;
  top: -150px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.38);
  box-shadow:
    inset 0 0 70px rgba(255,255,255,.1),
    0 0 0 46px rgba(255,255,255,.08),
    0 0 0 104px rgba(255,255,255,.06);
}
.hero .wrap { width: min(var(--wrap), calc(100% - 48px)); margin: 0 auto; }
.hero-layout {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: center;
  gap: 36px;
  padding: 76px 0 92px;
}
.hero-cloud {
  position: relative;
  height: 340px;
  min-width: 0;
}
.hero-cloud-net {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.hero-cloud span {
  position: absolute;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #fff;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.28);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
  will-change: transform;
}
.hero-cloud .lg {
  min-height: 46px;
  padding: 0 18px;
  font-size: 20px;
  background: #fff;
  color: #1c4ec4;
  border-color: #fff;
  box-shadow: 0 12px 24px rgba(12, 36, 96, 0.16);
}
.hero-cloud .md { min-height: 36px; padding: 0 14px; font-size: 15px; }
.hero-cloud .sm { min-height: 30px; padding: 0 12px; font-size: 13px; color: rgba(255,255,255,.86); }
.hero-cloud span:nth-child(1) { left: 2%; top: 6%; }
.hero-cloud span:nth-child(2) { left: 20%; top: 0; }
.hero-cloud span:nth-child(3) { left: 46%; top: 8%; }
.hero-cloud span:nth-child(4) { left: 64%; top: 1%; }
.hero-cloud span:nth-child(5) { left: 82%; top: 10%; }
.hero-cloud span:nth-child(6) { left: 0; top: 28%; }
.hero-cloud span:nth-child(7) { left: 18%; top: 32%; }
.hero-cloud span:nth-child(8) { left: 46%; top: 24%; }
.hero-cloud span:nth-child(9) { left: 70%; top: 34%; }
.hero-cloud span:nth-child(10) { left: 88%; top: 24%; }
.hero-cloud span:nth-child(11) { left: 2%; top: 54%; }
.hero-cloud span:nth-child(12) { left: 20%; top: 52%; }
.hero-cloud span:nth-child(13) { left: 44%; top: 58%; }
.hero-cloud span:nth-child(14) { left: 66%; top: 50%; }
.hero-cloud span:nth-child(15) { left: 84%; top: 60%; }
.hero-cloud span:nth-child(16) { left: 8%; top: 78%; }
.hero-cloud span:nth-child(17) { left: 34%; top: 80%; }
.hero-mark img { border-radius: 20px; box-shadow: none; }
.hero-points li { background: transparent; border-radius: 0; border-top: 1px solid rgba(255,255,255,.28); padding: 14px 0; }
.hero .btn-coral, .band .btn-coral {
  background: #fff; color: #1c4ec4; border-radius: 10px; box-shadow: none;
}
.hero .btn-line { border-radius: 10px; }

.section { padding: 48px 0 56px; }
.cats { gap: 0; border-top: 1px solid #d5e3f2; border-bottom: 1px solid #d5e3f2; }
.cat, .scene {
  padding: 22px 20px 22px 0; border-top: 0; border-right: 1px solid #d5e3f2; border-radius: 0;
}
.cats .cat:last-child { border-right: 0; padding-right: 0; }
.home .product-grid, .catalog .store-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.home .product-card, .home .product-card.feature, .catalog .product-card {
  display: flex; flex-direction: column;
  grid-column: auto; min-height: 100%;
  padding: 22px 20px 18px; margin: 0;
  background: #f7faff; color: var(--ink);
  border: 1px solid #d5e3f2; border-top: 3px solid var(--coral); border-radius: 16px;
  box-shadow: none; transform: none;
}
.home .product-card::before, .catalog .product-card::before { display: none; }
.home .product-card .mark, .catalog .product-card .mark,
.home .product-card.feature .mark, .catalog .product-card.feature .mark {
  width: 42px; height: 42px; margin: 0 0 14px; border-radius: 12px;
  background: #e7f0ff; color: var(--coral);
}
.home .product-card .kicker, .catalog .product-card .kicker,
.home .product-card.feature .kicker { color: var(--coral); margin: 0; }
.home .product-card h3, .catalog .product-card h3 { margin: 6px 0 8px; color: var(--ink); font-size: 20px; }
.home .product-card p, .catalog .product-card p,
.home .product-card.feature p { color: var(--muted); margin: 0; }
.home .product-card .tags, .catalog .product-card .tags { margin-top: 12px !important; }
.home .product-card .card-actions, .catalog .product-card .card-actions,
.home .product-card.feature .card-actions, .catalog .product-card[data-cat="av"] .card-actions {
  display: flex; flex-direction: column; align-items: stretch; gap: 8px;
  width: 100%; margin-top: auto; padding-top: 16px;
}
.home .product-card .card-actions .btn,
.home .product-card.feature .card-actions .btn-primary,
.home .product-card.feature .card-actions .btn-line,
.catalog .card-actions .btn, .catalog .card-actions .btn-small,
.catalog .product-card[data-cat="av"] .card-actions .btn:nth-child(-n+3) {
  width: 100%; min-height: 40px; border-radius: 10px; padding: 0 14px; font-size: 14px;
  box-shadow: none; white-space: nowrap;
}
.home .product-card .card-actions .btn-primary,
.home .product-card.feature .card-actions .btn-primary,
.catalog .card-actions .btn-primary { background: var(--coral); color: #fff; }
.home .product-card .card-actions .btn-line,
.home .product-card.feature .card-actions .btn-line,
.catalog .card-actions .btn-line {
  background: #fff; color: #1c4ec4; border: 1px solid #b7cceb;
}
.home .card-more, .catalog .card-more,
.home .product-card.feature .card-more {
  grid-column: auto; border-top: 0; padding-top: 0; margin-top: 0; color: #1c4ec4; justify-content: flex-start; gap: 8px;
}
.home .product-card:hover, .catalog .product-card:hover,
.home .product-card.feature:hover { transform: none; box-shadow: none; }
.home .product-card.feature .tag { background: #eef3fb; color: #3d5270; }
.band {
  position: relative;
  overflow: hidden;
  width: 100vw; margin-left: calc(50% - 50vw); border-radius: 0; box-shadow: none;
  padding: 48px max(24px, calc((100vw - var(--wrap)) / 2));
  background:
    radial-gradient(420px 180px at 0% -20%, rgba(255,255,255,.24), transparent 64%),
    radial-gradient(520px 240px at 100% 130%, rgba(142, 186, 255, .55), transparent 62%),
    linear-gradient(110deg, #143aa8 0%, #1c4ec4 58%, #3474f0 100%);
}
.band::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: 22%;
  top: -150px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.32);
  box-shadow: 0 0 0 36px rgba(255,255,255,.07);
  pointer-events: none;
}
.band > * { position: relative; z-index: 1; }

.catalog-page .page-hero, .help-page .help-banner,
.enterprise-page .enterprise-banner, .about-page .about-banner { padding: 56px 0 40px; }
.catalog-page .page-hero .wrap, .help-page .help-banner .wrap,
.enterprise-page .enterprise-banner .wrap, .about-page .about-banner .wrap {
  width: min(var(--wrap), calc(100% - 48px)); margin: 0 auto; padding: 0;
}
.catalog-page .chip { border-radius: 10px; }
.catalog-page .chip.is-on { border-radius: 10px; box-shadow: none; }
.product-page .page-hero {
  background:
    radial-gradient(720px 320px at 92% -10%, rgba(255,255,255,.22), transparent 58%),
    linear-gradient(180deg, #2a62d6 0%, #1c4ec4 100%);
}
.product-page .product-hero {
  width: min(var(--wrap), calc(100% - 48px));
  margin: 0 auto;
  padding: 56px 0 52px;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  align-items: center;
  gap: 56px;
}
.product-page .hero-title {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 18px 0 16px;
}
.product-page .hero-title h1 { margin: 0; letter-spacing: -0.03em; }
.product-page .product-hero .lede { max-width: 560px; font-size: 17px; }
.product-page .product-hero .tag {
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 4px 12px;
}
.product-page .product-hero .page-actions { gap: 12px; }
.product-page .product-hero .page-actions .btn {
  min-height: 46px;
  padding: 0 18px;
  border-radius: 10px;
}
.product-page .product-hero .btn-primary {
  background: #fff;
  color: #1c4ec4;
  box-shadow: none;
}
.product-page .product-hero .btn-line {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-color: rgba(255,255,255,.45);
}
.product-page .product-hero .btn-line:hover { background: rgba(255,255,255,.16); }
.product-page .product-hero .side-card {
  align-self: center;
  justify-content: flex-start;
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 18px;
  padding: 26px 24px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
}
.product-page .product-hero .side-card .kicker {
  color: rgba(255,255,255,.72);
  letter-spacing: 0.14em;
}
.product-page .product-hero .side-card h2 {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 18px; line-height: 1.4;
}
.product-page .product-hero .side-card h2 a { color: #fff; min-width: 0; overflow-wrap: anywhere; }
.product-page .product-hero .side-card h2 a::after { content: none; }
.product-page .product-hero .side-card h2::after { content: "↗"; flex: none; font-size: 0.85em; line-height: 1.6; }
.product-page .product-hero .side-card h2 a:hover { color: #e8f0ff; }
.product-page .product-hero .side-card p { color: rgba(255,255,255,.76); }
.product-page[data-tone] .product-hero {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}
.product-page .feature, .value, .panel, .side-card, .enterprise-qr, .faq { border-radius: 0; }
.site-footer { width: 100%; margin: 0; border-radius: 0; padding: 52px 0 22px; }
.site-footer > .wrap { width: min(var(--wrap), calc(100% - 48px)); margin: 0 auto; }
.footer-brand .brand .logo { border-radius: 16px; }
.about-page .panel, .about-page .value {
  background: #f7faff;
  border: 1px solid #d5e3f2;
  padding: 26px 24px;
}
.about-page .value { border-top: 3px solid var(--coral); }
.about-page .split, .about-page .values, .about-page .contact-grid { gap: 16px; }
.help-page .faq, .help-page .enterprise-qr {
  background: #f7faff;
  border: 1px solid #d5e3f2;
}
.help-page .faq { padding: 4px 22px; margin: 0 0 12px; }
.help-page .enterprise-qr { box-shadow: none; }
body:not(.product-page) .page-hero {
  width: 100%; margin: 0; padding: 56px 0 40px; border-radius: 0; box-shadow: none;
  color: #fff; background: #1c4ec4;
}
body:not(.product-page) .page-hero .wrap { width: min(var(--wrap), calc(100% - 48px)); margin: 0 auto; padding: 0; }
body:not(.product-page) .page-hero h1,
body:not(.product-page) .page-hero .crumb,
body:not(.product-page) .page-hero .crumb a { color: #fff; }
body:not(.product-page) .page-hero .lede { color: rgba(255,255,255,.88); }
.page-hero .btn-coral { background: #fff; color: #1c4ec4; border-radius: 10px; box-shadow: none; }
.page-hero .chip {
  background: rgba(255,255,255,.14); color: #fff;
  border: 1px solid rgba(255,255,255,.28); border-radius: 10px;
}
.page-hero .chip.is-on { background: #fff; color: #1c4ec4; box-shadow: none; }
.feature, .store-card, .enterprise-qr, .product-page .related .scene {
  background: #f7faff; border: 1px solid #d5e3f2; box-shadow: none;
}
.product-page .feature, .product-page .feature:nth-child(n),
.enterprise-page .feature {
  background: #f7faff; border: 1px solid #d5e3f2; border-top: 3px solid var(--coral);
}

@media (max-width: 980px) {
  .hero, .site-footer, .catalog-page .page-hero, .help-page .help-banner,
  .enterprise-page .enterprise-banner, .about-page .about-banner, .product-page .page-hero {
    width: 100%; margin: 0; border-radius: 0;
  }
  .hero-layout { grid-template-columns: 1fr; padding: 48px 0 72px; }
  .hero-cloud { display: none; }
  .hero::after { width: 280px; height: 280px; right: -40px; top: -90px; }
  .mega, .has-sub:hover .mega, .has-sub:focus-within .mega {
    position: static; transform: none; width: auto; display: none;
  }
  .has-sub.open .mega { display: grid; }
  .main-nav { border-radius: 0; }
  .home .product-grid, .catalog .store-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .home .product-grid, .catalog .store-grid { grid-template-columns: 1fr; }
  .cats { border: 0; }
  .cat, .scene { border-right: 0; border-bottom: 1px solid #d5e3f2; padding: 16px 0; }
  .product-page .product-hero { width: min(var(--wrap), calc(100% - 32px)); padding: 28px 0; }
  .band { padding: 28px 16px; }
}
.btn,
.chip,
.hero .btn-coral,
.hero .btn-line,
.band .btn-coral,
.band .btn-line,
.page-hero .btn-coral,
.page-hero .chip,
.catalog-page .chip,
.catalog-page .chip.is-on,
.home .product-card .card-actions .btn,
.home .product-card.feature .card-actions .btn-primary,
.home .product-card.feature .card-actions .btn-line,
.catalog .card-actions .btn,
.catalog .card-actions .btn-small,
.catalog .product-card[data-cat="av"] .card-actions .btn:nth-child(-n+3),
.product-page .page-actions .btn,
.product-page .product-hero .page-actions .btn {
  border-radius: 10px;
}
.home main > .hero + .section {
  position: relative;
  z-index: 2;
  margin-top: -28px;
  padding-top: 0;
  padding-bottom: 12px;
}
.home .cats {
  gap: 16px;
  border: 0;
}
.home .cat {
  position: relative;
  overflow: hidden;
  display: block;
  min-height: 156px;
  padding: 22px 92px 22px 22px;
  background: #fff;
  border: 1px solid #d5e3f2;
  border-top: 3px solid var(--coral);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(24, 64, 140, 0.12);
  text-decoration: none;
}
.home .cat:last-child { border-right: 1px solid #d5e3f2; }
.home .cat::before {
  content: "";
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(160deg, #f4f8ff 0%, #e3eeff 100%);
  pointer-events: none;
}
.home .cat::after {
  content: "";
  position: absolute;
  right: 27px;
  bottom: 27px;
  width: 36px;
  height: 36px;
  background: center / contain no-repeat;
  opacity: 1;
  pointer-events: none;
}
.home .cat[href$="#av"]::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='2.6' y='9.2' width='3.1' height='5.6' rx='1.55' fill='%239ec2ff'/%3E%3Crect x='7.5' y='6' width='3.1' height='12' rx='1.55' fill='%235b93ff'/%3E%3Crect x='12.4' y='3.2' width='3.1' height='17.6' rx='1.55' fill='%23245ed4'/%3E%3Crect x='17.3' y='7.4' width='3.1' height='9.2' rx='1.55' fill='%233b7cff'/%3E%3C/svg%3E");
}
.home .cat[href$="#image"]::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='4.2' width='18' height='15.6' rx='3.2' fill='%23d7e6ff'/%3E%3Ccircle cx='8.3' cy='9' r='1.7' fill='%23f2b429'/%3E%3Cpath d='M3.4 15.2 8 11.4l2.9 2.3 2.5-3 7.2 5.8v1.1a3.2 3.2 0 0 1-3.2 3.2H6.2A3.2 3.2 0 0 1 3 17.9v-.6c0-.8.1-1.4.4-2.1z' fill='%233b7cff'/%3E%3C/svg%3E");
}
.home .cat[href$="#file"]::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.4 3h7.2L19.6 9.1V19a1.8 1.8 0 0 1-1.8 1.8H6.4A1.8 1.8 0 0 1 4.6 19V4.8A1.8 1.8 0 0 1 6.4 3z' fill='%23d7e6ff'/%3E%3Cpath d='M13.3 3.15V8.7h5.7z' fill='%238eb4ff'/%3E%3Cpath d='M8 12.5h8M8 15.7h5' stroke='%23245ed4' stroke-width='1.7' stroke-linecap='round'/%3E%3C/svg%3E");
}
.home .cat[href$="#data"]::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 5.4h10a2 2 0 0 1 2 2V12H8.4L5.6 14.4V12H4a2 2 0 0 1-2-2V7.4a2 2 0 0 1 2-2z' fill='%233b7cff'/%3E%3Ccircle cx='6.6' cy='8.8' r='.95' fill='%23fff'/%3E%3Ccircle cx='9.4' cy='8.8' r='.95' fill='%23fff'/%3E%3Ccircle cx='12.2' cy='8.8' r='.95' fill='%23fff'/%3E%3Cpath d='M9.6 11.2h8.6a1.8 1.8 0 0 1 1.8 1.8v3H18l-1.7 1.6V16h-6.7a1.8 1.8 0 0 1-1.8-1.8v-3z' fill='%238eb6ff'/%3E%3C/svg%3E");
}
.home .cat b { margin: 0 0 8px; font-size: 22px; }
.home .cat:hover {
  border-color: #8eb4f5;
  transform: translateY(-3px);
}
.home .cat:hover::before { background: linear-gradient(160deg, #eef4ff 0%, #d5e5ff 100%); }
@media (max-width: 980px) {
  .home .cats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .home main > .hero + .section { margin-top: 16px; }
  .home .cats { grid-template-columns: 1fr; }
  .home .cat { border-right: 1px solid #d5e3f2; border-bottom: 1px solid #d5e3f2; }
}
.about-page .panel,
.about-page .value,
.help-page .faq,
.help-page .enterprise-qr,
.enterprise-qr,
.feature,
.store-card,
.product-page .feature,
.product-page .feature:nth-child(n),
.enterprise-page .feature,
.product-page .related .scene,
.value {
  background: #f7faff;
  border: 1px solid #d5e3f2;
  border-radius: 16px;
  box-shadow: none;
}
.help-page .help-tools input { border-radius: 10px; }
.about-page .value,
.enterprise-page .feature,
.product-page .feature,
.product-page .feature:nth-child(n),
.home .product-card,
.home .product-card.feature,
.catalog .product-card {
  border-top: 3px solid var(--coral);
  border-radius: 16px;
}
body:not(.product-page) .page-hero,
.product-page .page-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(420px 220px at 6% -30%, rgba(255,255,255,.28), transparent 64%),
    radial-gradient(560px 320px at 98% -10%, rgba(142, 186, 255, .72), transparent 60%),
    linear-gradient(122deg, #143aa8 0%, #1c4ec4 54%, #3d7dff 100%);
}
body:not(.product-page) .page-hero::before,
.product-page .page-hero::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  right: 10%;
  top: -190px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.34);
  box-shadow:
    0 0 0 42px rgba(255,255,255,.07),
    0 0 0 96px rgba(255,255,255,.05);
  pointer-events: none;
}
body:not(.product-page) .page-hero .wrap,
.product-page .page-hero .wrap {
  position: relative;
  z-index: 1;
}
.site-footer {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(520px 240px at 100% -20%, rgba(90, 150, 255, .32), transparent 62%),
    radial-gradient(380px 200px at 0% 120%, rgba(255,255,255,.06), transparent 70%),
    #102a52;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.2) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(100deg, transparent 0%, transparent 42%, #000 100%);
  pointer-events: none;
}
.site-footer .wrap { position: relative; z-index: 1; }
.home .product-card .card-actions,
.home .product-card.feature .card-actions,
.catalog .product-card .card-actions,
.catalog .product-card[data-cat="av"] .card-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 8px;
}
.home .product-card .card-actions .btn-primary,
.home .product-card.feature .card-actions .btn-primary,
.catalog .product-card .card-actions .btn-primary,
.catalog .product-card[data-cat="av"] .card-actions .btn-primary {
  flex: 1 0 100%;
  width: 100%;
  order: 1;
}
.home .card-more,
.catalog .card-more,
.home .product-card.feature .card-more {
  order: 2;
  flex: 1 1 auto;
  width: auto;
  min-height: 36px;
  margin: 0;
  padding: 0;
  border-top: 0;
  justify-content: flex-start;
}
.home .product-card .card-actions .btn-line,
.home .product-card.feature .card-actions .btn-line,
.catalog .product-card .card-actions .btn-line,
.catalog .product-card[data-cat="av"] .card-actions .btn-line,
.catalog .product-card[data-cat="av"] .card-actions .btn-line:nth-child(-n+3) {
  order: 3;
  flex: 0 0 auto;
  width: auto;
  min-height: 34px;
  padding: 0 12px;
}
.modal-dialog,
.dock-pop {
  border: 1px solid #d5e3f2;
  border-radius: 16px;
}
.modal-close { border-radius: 10px; }
.home .product-card .card-actions .btn-primary:hover,
.home .product-card.feature .card-actions .btn-primary:hover,
.catalog .product-card .card-actions .btn-primary:hover,
.catalog .card-actions .btn-primary:hover {
  background: var(--coral-dark);
  color: #fff;
}
.home .product-card .card-actions .btn-line:hover,
.home .product-card.feature .card-actions .btn-line:hover,
.catalog .product-card .card-actions .btn-line:hover,
.catalog .product-card[data-cat="av"] .card-actions .btn-line:hover,
.catalog .card-actions .btn-line:hover {
  background: #eef4ff;
  border-color: var(--coral);
  color: #1c4ec4;
}
.home .product-card .card-more:hover,
.home .product-card.feature .card-more:hover,
.catalog .product-card .card-more:hover {
  color: #163e86;
}
.card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 6px 0 8px;
}
.home .product-card .card-title h3,
.catalog .product-card .card-title h3,
.store-card .card-title h3 {
  margin: 0;
}
.product-logo {
  width: 44px;
  height: 44px;
  flex: none;
  object-fit: contain;
  display: block;
  border-radius: 12px;
  background: #fff;
}
.product-page .hero-logo {
  width: 72px;
  height: 72px;
  flex: none;
  object-fit: contain;
  display: block;
  border-radius: 18px;
  background: #fff;
  margin: 0;
  box-shadow: 0 12px 24px rgba(16, 48, 120, 0.18);
}
@media (max-width: 680px) {
  .product-page .hero-title { gap: 14px; }
  .product-page .hero-logo { width: 56px; height: 56px; border-radius: 14px; }
}
.product-page .related .scene { justify-content: flex-start; }
.scene-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
  border-radius: 12px;
  background: #fff;
  margin-bottom: 12px;
}
@media (max-width: 980px) {
  .mega-copy { white-space: normal; }
}
.legal-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 16px; align-items: start; }
.legal-side { position: sticky; top: 88px; display: grid; gap: 16px; }
.legal-toc, .legal-switch {
  background: #f7faff;
  border: 1px solid #d5e3f2;
  border-radius: 16px;
  padding: 18px 18px 8px;
}
.legal-toc p, .legal-switch p {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: #6d84a6;
  font-weight: 700;
}
.legal-toc a, .legal-switch a {
  display: block;
  padding: 10px 0;
  border-top: 1px solid #e4eef8;
  color: #24324a;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
}
.legal-toc a:hover, .legal-switch a:hover { color: #1c4ec4; }
.legal-switch a[aria-current="page"] { color: #1c4ec4; font-weight: 700; }
.legal-doc {
  background: #f7faff;
  border: 1px solid #d5e3f2;
  border-radius: 16px;
  padding: 28px 32px 36px;
}
.legal-doc h2 { font-size: 20px; margin: 28px 0 8px; scroll-margin-top: 96px; }
.legal-doc p, .legal-doc li { color: #3d5270; line-height: 1.85; font-size: 15px; }
.legal-doc ul { margin: 8px 0 0; padding-left: 1.2em; }
.legal-doc li + li { margin-top: 6px; }
.legal-doc .legal-meta { margin: 0; color: #6d84a6; font-size: 14px; }
.legal-doc a { color: #1c4ec4; }
.legal-doc .legal-note { background: #fff; border: 1px solid #d5e3f2; border-radius: 16px; padding: 14px 16px; margin-top: 18px; }
@media (max-width: 980px) {
  .legal-layout { grid-template-columns: 1fr; }
  .legal-side { position: static; }
  .legal-doc { padding: 22px 18px 28px; }
}