/* 官网样式：沿用金豆荚的服务介绍版式
   令牌与产品移动端保持一致（doc/ui/android-complete/design-spec.md §2），只按营销页面需要
   扩展版式尺度：颜色一律引用语义令牌，字号/圆角沿用产品口径（12/16/20 圆角，
   12/14/16/18 字阶），深色为同语义换值而不是简单反相。 */

:root {
  color-scheme: light;
  --bg: #f5f6f3;
  --surface: #ffffff;
  --soft: #eaf1e9;
  --line: #dce2dc;
  --control: #728078;
  --ink: #182822;
  --muted: #59665f;
  --primary: #18563f;
  --primary-hover: #134734;
  --on-primary: #ffffff;
  --accent: #8c541b;
  --band: #18563f;
  --on-band: #ffffff;
  --on-band-muted: #cfe0d3;
  --on-band-line: rgba(255, 255, 255, 0.28);
  --on-band-wash: rgba(255, 255, 255, 0.12);
  --focus: #8c541b;
  --radius-sm: 12px;
  --radius: 16px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(24, 40, 34, 0.06);
  --shadow: 0 18px 44px rgba(24, 40, 34, 0.09);
  --font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #131c18;
    --surface: #1e2a24;
    --soft: #293e30;
    --line: #3c4e43;
    --control: #87988c;
    --ink: #eef3ee;
    --muted: #b0beb4;
    --primary: #a5d8b6;
    --primary-hover: #bae5c8;
    --on-primary: #102d1e;
    --accent: #efc08f;
    --band: #a5d8b6;
    --on-band: #102d1e;
    --on-band-muted: #22503b;
    --on-band-line: rgba(16, 45, 30, 0.2);
    --on-band-wash: rgba(16, 45, 30, 0.08);
    --focus: #efc08f;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.wrap {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 90;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.skip:focus {
  top: 12px;
}

/* ---------- 通用排版 ---------- */

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.6px;
  color: var(--accent);
}

h1 {
  margin: 20px 0 0;
  font-size: clamp(38px, 4.7vw, 62px);
  line-height: 1.16;
  letter-spacing: -1.5px;
  font-weight: 700;
}

h1 em {
  font-style: normal;
  color: var(--primary);
}

h2 {
  margin: 14px 0 0;
  font-size: clamp(28px, 3.1vw, 42px);
  line-height: 1.28;
  letter-spacing: -1px;
  font-weight: 700;
}

h3 {
  font-size: clamp(19px, 1.6vw, 24px);
  line-height: 1.45;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.intro,
.daily-intro {
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}

.lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.rules {
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.mono {
  font-family: var(--mono);
  letter-spacing: 0.4px;
}

/* ---------- 按钮与链接 ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--on-primary);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease,
    box-shadow 0.18s ease;
}

.button:hover {
  background: var(--primary-hover);
}

.button--secondary {
  background: transparent;
  border-color: var(--control);
  color: var(--ink);
}

.button--secondary:hover {
  background: var(--soft);
  border-color: var(--primary);
}

.button--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.button--ghost:hover {
  background: var(--soft);
}

.button--light {
  background: var(--on-band);
  color: var(--band);
}

.button--light:hover {
  background: var(--on-band);
  box-shadow: 0 0 0 3px var(--on-band-line);
}

.button--outline {
  background: transparent;
  border-color: var(--on-band-line);
  color: var(--on-band);
}

.button--outline:hover {
  background: var(--on-band-wash);
}

.button.compact {
  min-height: 44px;
  padding: 0 16px;
  font-size: 13px;
}

.button .button-id {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  opacity: 0.9;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-underline-offset: 4px;
}

.text-link:hover {
  text-decoration: underline;
}

.card-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding: 0;
  border: 0;
  background: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  min-height: 44px;
  text-align: left;
}

.card-action:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 页头 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

@supports (backdrop-filter: blur(2px)) {
  .site-header {
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(14px) saturate(140%);
  }
}

.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 20px rgba(24, 40, 34, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-height: 44px;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.brand-text {
  display: block;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.4px;
}

.brand-text small {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 2.2px;
  color: var(--muted);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  font-size: 14px;
}

.primary-nav a {
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.primary-nav a:hover {
  color: var(--ink);
}

.primary-nav a[aria-current] {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navmenu {
  display: none;
}

.navmenu summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  cursor: pointer;
  list-style: none;
}

.navmenu summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker {
  display: none;
}

.navmenu summary::after {
  content: "▾";
  font-size: 11px;
  color: var(--muted);
}

.navmenu[open] summary::after {
  content: "▴";
}

.navmenu:not([open]) .navmenu-panel {
  display: none;
}

/* 面板以页头为定位基准，窄屏时贴齐内容右边缘，避免从按钮处向左溢出视口 */
.navmenu-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: max(18px, calc((100% - 1180px) / 2));
  width: min(280px, calc(100vw - 36px));
  display: grid;
  gap: 2px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.navmenu-panel a {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink);
}

.navmenu-panel a:hover {
  background: var(--soft);
}

.navmenu-panel .button {
  margin-top: 8px;
  width: 100%;
}

/* ---------- 首屏 ---------- */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 48px;
  align-items: center;
  padding: 48px 0 76px;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: 0;
  width: 76%;
  height: 720px;
  max-height: 90%;
  background: radial-gradient(58% 58% at 62% 34%, var(--soft), transparent 72%);
  pointer-events: none;
}

.hero > * {
  position: relative;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 30px;
}

.actions .text-link {
  min-height: 44px;
}

.note {
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 首屏产品示意（装饰） ---------- */

.hero-art {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 560px;
  min-height: 600px;
  margin-inline: auto;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(452px, 100%);
  aspect-ratio: 1;
  height: auto;
  border-radius: 50%;
  background: var(--soft);
  transform: translate(-50%, -52%);
}

.spark {
  position: absolute;
  top: 8px;
  right: 4px;
  font-size: 64px;
  line-height: 1;
  color: var(--accent);
}

.phone {
  position: relative;
  width: 268px;
  padding: 14px 14px 20px;
  border: 8px solid var(--primary);
  border-radius: 36px;
  background: var(--surface);
  box-shadow: var(--shadow);
  transform: rotate(-6deg);
  font-size: 12px;
}

.status,
.phone-title,
.phone-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.status {
  padding-bottom: 14px;
  font-size: 10px;
  color: var(--muted);
}

.phone-title strong {
  margin-right: auto;
  margin-left: 8px;
  font-size: 14px;
}

.phone-title span {
  color: var(--muted);
}

.phone-banner {
  position: relative;
  overflow: hidden;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--on-primary);
}

.phone-banner small,
.phone-banner span {
  display: block;
  font-size: 10px;
}

.phone-banner strong {
  display: block;
  margin: 6px 0 18px;
  font-size: 21px;
  line-height: 1.4;
}

.pod-brand {
  position: absolute;
  top: 52px;
  right: 8px;
  border-radius: 16px;
  transform: rotate(-12deg);
}

.shortcuts {
  display: flex;
  justify-content: space-around;
  padding: 16px 0;
  font-size: 9px;
  text-align: center;
  color: var(--muted);
}

.shortcuts b {
  display: block;
  margin-bottom: 2px;
  font-size: 18px;
  color: var(--primary);
}

.phone-section {
  margin: 2px 0 12px;
  font-size: 12px;
}

.phone-section small {
  font-size: 9px;
  color: var(--muted);
}

.article {
  position: relative;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--soft);
}

.article small,
.article span {
  display: block;
  font-size: 9px;
  color: var(--muted);
}

.article strong {
  display: block;
  margin: 6px 0 12px;
  font-size: 16px;
  line-height: 1.5;
}

.plant {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 3px;
  height: 34px;
  background: var(--primary);
}

.plant i {
  display: block;
  width: 18px;
  height: 11px;
  margin-top: 4px;
  border-radius: 100% 0;
  background: var(--control);
  transform: rotate(-25deg);
}

.plant i:nth-child(2) {
  transform: translateX(-16px) rotate(35deg);
}

.tabs {
  display: flex;
  justify-content: space-between;
  padding: 12px 6px 2px;
  font-size: 15px;
  text-align: center;
  color: var(--muted);
}

.tabs small {
  display: block;
  font-size: 8px;
}

.tabs .selected {
  color: var(--primary);
  font-weight: 600;
}

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.float-card b {
  font-size: 22px;
  line-height: 1;
  color: var(--primary);
}

.float-card strong,
.float-card small {
  display: block;
}

.float-card strong {
  font-size: 13px;
}

.float-card small {
  font-size: 11px;
  color: var(--muted);
}

.float-card > span {
  color: var(--muted);
}

.reading-float {
  top: 84px;
  left: 0;
}

.beans-float {
  right: 0;
  bottom: 96px;
}

.art-caption {
  position: relative;
  font-size: 11px;
  color: var(--muted);
}

/* ---------- 能力带 ---------- */

.strip {
  background: var(--soft);
  border-block: 1px solid var(--line);
}

.strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  padding: 16px 0;
  font-size: 13px;
}

.strip-inner small {
  color: var(--muted);
}

.strip-inner ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  font-weight: 600;
}

.strip-inner li + li::before {
  content: "·";
  margin: 0 12px;
  color: var(--control);
  font-weight: 400;
}

/* ---------- 区块骨架 ---------- */

.section {
  padding: 84px 0;
}

.section--soft {
  background: var(--soft);
}

[id] {
  scroll-margin-top: 92px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px 48px;
}

.section-head > p {
  max-width: 420px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 变现方案 ---------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  border-color: var(--control);
  box-shadow: var(--shadow-sm);
}

.service-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 20px;
}

.tags span {
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--soft);
  font-size: 12px;
}

.flow {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px 28px;
  margin-top: 24px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
}

.flow > strong {
  font-size: 14px;
  white-space: nowrap;
}

.flow ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 14px;
  font-weight: 600;
}

.flow li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.flow li + li::before {
  content: "→";
  color: var(--muted);
  font-weight: 400;
}

/* ---------- 平台搭建 ---------- */

.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.54fr);
  gap: 20px;
  margin-top: 32px;
}

.platform-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--primary);
  color: var(--on-primary);
}

.platform-intro .kicker {
  color: var(--on-primary);
  opacity: 0.78;
}

.platform-intro h3 {
  color: var(--on-primary);
}

.platform-intro p {
  font-size: 14px;
  line-height: 1.85;
  opacity: 0.9;
}

.platform-intro .button {
  margin-top: 6px;
  background: var(--on-primary);
  color: var(--primary);
}

.platform-intro .button:hover {
  box-shadow: 0 0 0 3px var(--on-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--on-primary) 30%, transparent);
}

.platform-intro .text-link {
  color: var(--on-primary);
  opacity: 0.9;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.capability {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.capability > span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.capability h3 {
  margin: 10px 0 8px;
  font-size: 17px;
}

.capability p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 体验与交付 ---------- */

.experience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.experience-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.experience-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.chip {
  padding: 3px 10px;
  border-radius: 8px;
  background: var(--soft);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.experience-card > p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.experience-card > .button,
.experience-card > .card-action {
  margin-top: auto;
}

.check-list {
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.check-list li::before {
  content: "✓";
  flex-shrink: 0;
  font-weight: 700;
  color: var(--primary);
}

.delivery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 20px;
  margin-top: 56px;
}

.delivery-panel {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.delivery-panel h3 {
  margin-top: 10px;
}

.item-list {
  display: grid;
  margin-top: 18px;
}

.item-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.item-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.item-list b {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  padding-top: 4px;
}

.item-list strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
}

.item-list small {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 产品场景 ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.feature {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--soft);
  overflow: hidden;
}

.feature-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.feature-top span {
  font-size: 20px;
  line-height: 1;
  color: var(--accent);
}

.feature p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.book-art {
  position: relative;
  margin-top: auto;
  padding: 32px 12px 0;
}

.book-art > div {
  padding: 20px;
  border-radius: 3px 14px 14px 3px;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 21px;
  line-height: 1.45;
  transform: rotate(-8deg);
  box-shadow: 8px 6px 0 var(--line);
}

.book-art small {
  display: block;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 2px;
  opacity: 0.85;
}

.book-art > span {
  position: absolute;
  top: 18px;
  right: 0;
  font-size: 52px;
  line-height: 1;
  color: var(--accent);
}

.task-art {
  display: grid;
  gap: 10px;
  margin-top: auto;
  padding-top: 24px;
  transform: rotate(-3deg);
}

.task-art span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 12px;
}

.bag-art {
  position: relative;
  width: 158px;
  height: 142px;
  margin: 56px auto 0;
  padding-top: 30px;
  border: 1px solid var(--line);
  border-radius: 8px 8px 18px 18px;
  background: var(--surface);
  text-align: center;
  transform: rotate(6deg);
}

.bag-art i {
  position: absolute;
  top: -28px;
  left: 46px;
  width: 64px;
  height: 44px;
  border: 4px solid var(--control);
  border-bottom: 0;
  border-radius: 36px 36px 0 0;
}

.bag-art img {
  border-radius: 12px;
}

.bag-art small {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--muted);
}

/* ---------- 日常 ---------- */

.daily-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 64px;
  align-items: center;
}

.daily-art {
  position: relative;
  padding: 24px;
}

.calendar {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transform: rotate(-5deg);
}

.calendar > div:first-child {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.calendar small {
  float: right;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
}

.calendar > strong {
  display: block;
  margin: 22px 0;
  font-size: 28px;
  line-height: 1.42;
}

.days {
  display: flex;
  gap: 8px;
}

.days span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 40px;
  border-radius: 8px;
  background: var(--soft);
  font-size: 13px;
}

.days .today {
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
}

.calendar p {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
}

.daily-art > span {
  position: absolute;
  right: 4px;
  bottom: 0;
  font-size: 56px;
  line-height: 1;
  color: var(--accent);
}

.daily-details {
  display: grid;
  gap: 16px;
  margin: 28px 0;
}

.daily-details > div {
  display: flex;
  align-items: center;
  gap: 16px;
}

.daily-details b {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--soft);
  color: var(--primary);
  font-size: 16px;
}

.daily-details strong {
  font-size: 14px;
}

.daily-details small {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

/* ---------- 上手步骤 ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 36px;
}

.steps article {
  padding-top: 20px;
  border-top: 1px solid var(--control);
}

.steps span {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

.steps h3 {
  margin: 8px 0 6px;
  font-size: 18px;
}

.steps p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 常见问题 ---------- */

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.66fr) minmax(0, 1.34fr);
  gap: 48px;
}

.faq-intro p {
  margin-top: 14px;
  font-size: 14px;
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 48px;
  padding: 18px 0;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--muted);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list summary:hover {
  color: var(--primary);
}

.faq-list details > p {
  padding: 0 0 20px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 联系咨询 ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 48px;
  align-items: start;
}

.prepare {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.prepare li {
  padding-left: 16px;
  border-left: 2px solid var(--line);
}

.prepare strong {
  display: block;
  font-size: 15px;
}

.prepare small {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.wechat-card {
  display: grid;
  gap: 14px;
  justify-items: start;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.wechat-badge {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--soft);
  color: var(--primary);
}

.wechat-badge svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.wechat-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
}

.wechat-id {
  font-family: var(--mono);
  font-size: clamp(22px, 2.6vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.5px;
  overflow-wrap: anywhere;
}

.wechat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
}

.wechat-actions .button {
  flex: 1 1 150px;
}

.wechat-hint {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.wechat-note {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 尾部 CTA ---------- */

.cta-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 48px;
  border-radius: var(--radius-lg);
  background: var(--band);
  color: var(--on-band);
}

.cta-card .eyebrow {
  color: var(--on-band-muted);
}

.cta-card h2 {
  margin-top: 12px;
  font-size: clamp(26px, 2.6vw, 34px);
}

.cta-card p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-band-muted);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 页脚 ---------- */

.site-footer {
  padding: 56px 0 28px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 0.7fr)) minmax(0, 1.1fr);
  gap: 32px;
}

.footer-about p {
  margin-top: 14px;
  max-width: 30ch;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.site-footer .brand-text small {
  font-size: 10px;
  letter-spacing: 1.2px;
}

.faq-help {
  display: grid;
  gap: 12px;
  justify-items: start;
  margin-top: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.faq-help p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

.faq-help .mono {
  color: var(--ink);
  font-weight: 600;
}

.footer-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--ink);
}

.footer-links {
  display: grid;
  gap: 2px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

.footer-links a {
  display: flex;
  align-items: center;
  min-height: 40px;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-wechat {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

.footer-wechat .mono {
  display: block;
  margin: 6px 0 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.footer-bottom a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* ---------- 轻提示 ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  z-index: 90;
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
  box-shadow: var(--shadow);
}

.toast[hidden] {
  display: none;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  .primary-nav {
    display: none;
  }

  .navmenu {
    display: block;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 32px;
  }

  .service-grid,
  .features,
  .experience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-grid > :last-child,
  .features > :last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding: 32px 0 56px;
  }

  .hero::before {
    height: 480px;
  }

  .hero-art {
    min-height: 560px;
    margin-top: 8px;
  }

  .orbit {
    width: min(380px, 100%);
  }

  .delivery-layout,
  .platform-layout,
  .contact-layout,
  .faq-layout,
  .daily-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps {
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .daily-inner {
    gap: 40px;
  }

  .delivery-layout {
    margin-top: 40px;
  }

  .flow {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  .wrap {
    width: calc(100% - 36px);
  }

  .header-inner {
    min-height: 68px;
    gap: 12px;
  }

  .brand img {
    width: 32px;
    height: 32px;
  }

  .brand-text {
    font-size: 17px;
  }

  .brand-text small {
    font-size: 8px;
    letter-spacing: 1.6px;
  }

  .header-actions > .button {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  h1 {
    font-size: clamp(32px, 9vw, 42px);
    letter-spacing: -1px;
  }

  h2 {
    font-size: clamp(26px, 7vw, 32px);
  }

  /* 窄屏改为「手机 + 说明卡」两列堆叠，避免浮层压住手机内容 */
  .hero-art {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-items: stretch;
    gap: 10px;
    min-height: 0;
    margin-top: 20px;
  }

  .phone {
    grid-column: 1 / -1;
    justify-self: center;
  }

  .orbit {
    width: min(330px, 100%);
    top: 46%;
  }

  .spark {
    font-size: 44px;
  }

  .float-card {
    position: static;
    padding: 10px 12px;
  }

  .art-caption {
    grid-column: 1 / -1;
    text-align: center;
  }

  .float-card b {
    font-size: 18px;
  }

  .float-card strong {
    font-size: 12px;
  }

  .float-card small {
    font-size: 10px;
  }

  /* 窄屏换行时不再让分隔点落到行首 */
  .strip-inner ul {
    gap: 4px 18px;
  }

  .strip-inner li + li::before {
    content: none;
  }

  .capability-grid,
  .footer-grid,
  .service-grid,
  .features,
  .experience-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .service-grid > :last-child,
  .features > :last-child {
    grid-column: auto;
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .cta-card {
    padding: 28px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .button {
    flex: 1 1 100%;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 420px) {
  .phone {
    width: 246px;
    padding: 12px 12px 18px;
  }

  .phone-banner strong {
    font-size: 19px;
  }

  .article strong {
    font-size: 15px;
  }

  .strip-inner {
    font-size: 12px;
  }

  .service-card,
  .experience-card,
  .feature,
  .delivery-panel,
  .wechat-card,
  .platform-intro {
    padding: 22px;
  }
}

/* 320px 级窄屏：手机示意整体收窄，旋转后仍落在视口内 */
@media (max-width: 360px) {
  .phone {
    width: 214px;
  }

  .phone-banner strong {
    font-size: 17px;
  }

  .shortcuts {
    font-size: 8px;
  }

  .tabs {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


/* 企业登记与官方下载沿用各品牌已核验信息。 */
.company-section { display:grid; grid-template-columns:1fr 1.5fr; gap:64px; }
.company-intro>p:not(.eyebrow), .registration-note { margin-top:20px; color:var(--muted); font-size:13px; }
.registry-label, .subtle-label { display:inline-block; margin-top:20px; color:var(--primary); font-size:13px; }
.company-facts { min-width:0; padding:28px; border:1px solid var(--line); border-radius:var(--radius-lg); background:var(--surface); }
.company-facts dl { margin:0; }
.company-facts dl>div { display:grid; grid-template-columns:132px 1fr; gap:20px; padding:14px 0; border-bottom:1px solid var(--line); font-size:14px; }
.company-facts dt { color:var(--muted); }
.company-facts dd { margin:0; overflow-wrap:anywhere; }
.download-panel { display:grid; grid-template-columns:minmax(0,1fr) 240px; gap:40px; margin-top:32px; padding:36px; border:1px solid var(--line); border-radius:var(--radius-lg); background:var(--surface); }
.download-main { min-width:0; }
.product-brand { display:flex; align-items:center; gap:14px; }
.product-brand img { border-radius:var(--radius-sm); }
.product-brand strong { font-size:22px; }
.download-version { display:flex; flex-wrap:wrap; gap:8px; margin:20px 0; color:var(--muted); font-size:14px; }
.download-main>p:not(.download-version) { color:var(--muted); font-size:14px; }
.download-status { margin:18px 0; }
.download-link { width:100%; max-width:100%; padding:12px; border:1px solid var(--control); border-radius:var(--radius-sm); background:var(--bg); color:var(--ink); font-family:var(--mono); }
.download-link[hidden] { display:none; }
.install-help { margin-top:20px; padding-top:16px; border-top:1px solid var(--line); color:var(--muted); font-size:13px; }
.install-help summary { cursor:pointer; color:var(--ink); }
.install-help ol { list-style:decimal; padding-left:22px; margin:16px 0; }
.install-help code { display:block; margin-top:8px; overflow-wrap:anywhere; font-family:var(--mono); }
.download-qr { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; padding-left:32px; border-left:1px solid var(--line); text-align:center; }
.download-qr img { background:#fff; padding:8px; border-radius:var(--radius-sm); }
.download-qr p { color:var(--muted); font-size:13px; }
.wechat-id { overflow-wrap:anywhere; }
.site-header .brand-text { white-space:nowrap; }
@media(max-width:1100px) { .primary-nav { gap:14px; } .header-actions>[data-copy-contact] { display:none; } }
@media(max-width:760px) {
  .company-section { grid-template-columns:1fr; gap:28px; }
  .company-facts { padding:20px; }
  .company-facts dl>div { grid-template-columns:1fr; gap:5px; }
  .download-panel { grid-template-columns:1fr; padding:24px; gap:28px; }
  .download-qr { border-left:0; border-top:1px solid var(--line); padding:24px 0 0; }
  .product-brand strong { font-size:18px; }
  .download-version { font-size:13px; }
}