/* Vanho official homepage — mobile first, StyleDNA tokens */
html.is-official {
  --color-neutral-900: #343535;
  --color-neutral-800: #666666;
  --color-neutral-700: #737373;
  --color-neutral-600: #8d8d8d;
  --color-neutral-500: #999999;
  --color-neutral-300: #aba7a2;
  --color-surface: #ffffff;
  --color-accent: #ba1f25;
  --font-family-base: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 15px;
  --font-size-lg: 16px;
  --font-size-xl: 17px;
  --font-size-xxl: 18px;
  --font-size-display: 20px;
  --font-size-hero: 22px;
  --space-sm: 9.5px;
  --space-md: 16px;
  --space-lg: 18px;
  --space-xl: 22px;
  --radius-default: 0px;
  --official-header-h: 56px;
  font-size: 16px !important;
}

html.is-official,
html.is-official body {
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow-x: clip;
  overflow-y: auto;
  background: var(--color-surface);
  font-family: var(--font-family-base);
  color: var(--color-neutral-900);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html.is-official #app.official-app,
html.is-official #app.official-app.red-theme,
html.is-official #app.official-app.black-theme {
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: 0;
  overflow: visible;
  background: var(--color-surface);
  font-family: var(--font-family-base);
  color: var(--color-neutral-900);
}

html.is-official #app.official-app .body-box,
html.is-official #app.official-app .body-box > * {
  width: 100%;
  max-width: 100%;
  min-height: 0;
  padding-bottom: 0;
  overflow: visible;
}

.official-site {
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  overflow-x: clip;
  background: var(--color-surface);
  font-family: var(--font-family-base);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-regular);
  line-height: 1.65;
  color: var(--color-neutral-900);
  -webkit-tap-highlight-color: transparent;
}

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

.official-site a {
  font-family: inherit;
  color: inherit;
  text-decoration: none;
}

.official-site button {
  font-family: inherit;
  text-decoration: none;
}

.official-site button {
  border-radius: var(--radius-default);
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
  touch-action: manipulation;
}

.official-site img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

.official-wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

.official-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  color: var(--color-neutral-700);
}

.official-kicker::before {
  content: "";
  width: 12px;
  height: 2px;
  background: var(--color-accent);
}

.official-title {
  margin: 0 0 8px;
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-semibold);
  line-height: 1.35;
}

.official-lead {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
}

.official-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--color-neutral-600);
  background: transparent;
  color: var(--color-neutral-700);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-regular);
  line-height: 1;
}

.official-btn--accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

html.is-official .official-btn--solid {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #ffffff;
}

.official-btn--ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-surface);
}

.official-btn--block {
  width: 100%;
}

/* Header */
.official-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-surface);
  border-bottom: 1px solid #e6e6e6;
  padding-top: env(safe-area-inset-top, 0px);
}

.official-header-row {
  display: flex;
  align-items: center;
  min-height: var(--official-header-h);
  gap: 8px;
}

.official-logo {
  display: flex;
  align-items: center;
  height: 30px;
  padding: 0;
  border: 0;
  background: transparent;
}

.official-logo img {
  height: 30px;
  width: auto;
  max-width: 146px;
  object-fit: contain;
}

.official-nav {
  display: none;
}

.official-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.official-header-actions .official-btn {
  min-height: 34px;
  padding: 0 10px;
  font-size: var(--font-size-sm);
}

.official-header-actions .official-btn--desk {
  display: none;
}

.official-menu-btn {
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-neutral-900);
}

.official-menu-btn i,
.official-menu-btn i::before,
.official-menu-btn i::after {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
}

.official-menu-btn i {
  position: relative;
  margin: 0 auto;
}

.official-menu-btn i::before,
.official-menu-btn i::after {
  content: "";
  position: absolute;
  left: 0;
}

.official-menu-btn i::before {
  top: -6px;
}

.official-menu-btn i::after {
  top: 6px;
}

.official-mask {
  position: fixed;
  left: 0;
  right: 0;
  top: calc(var(--official-header-h) + env(safe-area-inset-top, 0px));
  bottom: 0;
  z-index: 48;
  background: rgba(52, 53, 53, 0.36);
}

.official-drawer {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  top: calc(var(--official-header-h) + env(safe-area-inset-top, 0px));
  z-index: 49;
  background: var(--color-surface);
  border-bottom: 1px solid #e6e6e6;
}

.official-drawer.is-open {
  display: block;
}

.official-drawer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 0;
  border-bottom: 1px solid #eee;
  background: var(--color-surface);
  font-size: var(--font-size-lg);
  text-align: left;
}

.official-drawer-item em {
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--color-neutral-600);
  border-right: 1px solid var(--color-neutral-600);
  transform: rotate(45deg);
}

.official-drawer-item:active {
  color: var(--color-accent);
}

.official-drawer-ops {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 14px 16px 16px;
}

/* Hero */
.official-hero-visual {
  position: relative;
  background: var(--color-neutral-900);
}

.official-hero-visual img {
  width: 100%;
  height: 52vw;
  min-height: 188px;
  max-height: 280px;
  object-fit: cover;
  object-position: center 84%;
}

.official-hero-panel {
  background: var(--color-neutral-900);
  color: var(--color-surface);
  padding: 18px 16px 20px;
}

.official-hero-panel .official-kicker {
  color: rgba(255, 255, 255, 0.7);
}

.official-hero h1 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: var(--font-weight-semibold);
  line-height: 1.28;
  letter-spacing: 0.04em;
}

.official-hero-panel > p {
  margin: 0 0 16px;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.82);
}

.official-hero-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* Quick */
.official-quick {
  border-bottom: 1px solid #e6e6e6;
}

.official-quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.official-quick-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-height: 76px;
  padding: 14px 12px;
  border: 0;
  border-right: 1px solid #e6e6e6;
  border-bottom: 1px solid #e6e6e6;
  background: var(--color-surface);
  text-align: left;
}

.official-quick-item:nth-child(2n) {
  border-right: 0;
}

.official-quick-item b {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

.official-quick-item span {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

.official-quick-item:active span {
  color: var(--color-accent);
}

/* Figures */
.official-figures-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.official-figure {
  padding: 16px 12px;
  border-right: 1px solid #e6e6e6;
  border-bottom: 1px solid #e6e6e6;
}

.official-figure:nth-child(2n) {
  border-right: 0;
}

.official-figure b {
  display: block;
  margin-bottom: 2px;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  color: var(--color-accent);
}

.official-figure span {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-700);
}

/* Sections */
.official-section {
  padding: 32px 0;
  scroll-margin-top: calc(var(--official-header-h) + env(safe-area-inset-top, 0px) + 8px);
}

.official-section--tone {
  background: #f7f7f7;
}

.official-section-head {
  margin-bottom: 16px;
}

/* Business list */
.official-list {
  border-top: 1px solid #e6e6e6;
}

.official-list-item {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 12px;
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid #e6e6e6;
  background: transparent;
  text-align: left;
}

.official-list-item i {
  flex: 0 0 28px;
  font-style: normal;
  font-size: var(--font-size-xs);
  color: var(--color-accent);
}

.official-list-item h3 {
  margin: 0 0 2px;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

.official-list-item p {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-neutral-700);
}

.official-list-item em {
  flex: 0 0 7px;
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-top: 1px solid var(--color-neutral-600);
  border-right: 1px solid var(--color-neutral-600);
  transform: rotate(45deg);
}

.official-list-item:active h3 {
  color: var(--color-accent);
}

.official-pro {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.official-pro li {
  padding: 6px 10px;
  border: 1px solid #e6e6e6;
  background: #f7f7f7;
  font-size: var(--font-size-xs);
  line-height: 1.4;
  color: var(--color-neutral-900);
}

/* About */
.official-about-p {
  margin: 0 0 12px;
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
}

.official-share {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0 18px;
  padding-top: 16px;
  border-top: 1px solid #e6e6e6;
}

.official-share b {
  display: block;
  font-size: var(--font-size-xxl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

.official-share span {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-700);
}

.official-photo {
  margin: 0;
}

.official-photo img {
  width: 100%;
  height: 168px;
  object-fit: cover;
  object-position: center 20%;
}

.official-photo figcaption {
  padding-top: 8px;
  font-size: var(--font-size-xs);
  color: var(--color-neutral-700);
}

/* Enter */
.official-enter {
  position: relative;
  padding: 36px 0;
  color: var(--color-surface);
  background: var(--color-neutral-900);
}

.official-enter .official-kicker {
  color: rgba(255, 255, 255, 0.7);
}

.official-enter h2 {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: var(--font-weight-semibold);
}

.official-enter p {
  margin: 0 0 18px;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.82);
}

.official-enter-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* News */
.official-news-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 4px;
  border-bottom: 1px solid #e6e6e6;
}

.official-news-tabs button {
  min-height: 44px;
  padding: 0;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-size: var(--font-size-md);
  color: var(--color-neutral-700);
}

.official-news-tabs button.is-on {
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  border-bottom-color: var(--color-accent);
}

.official-news-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.official-news-list li {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid #eee;
}

.official-news-list time {
  flex: 0 0 42px;
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
}

.official-news-list span {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

/* Contact */
.official-contact-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #e6e6e6;
}

.official-contact-row span {
  flex: 0 0 72px;
  font-size: var(--font-size-xs);
  color: var(--color-neutral-700);
}

.official-contact-row strong {
  flex: 1;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-align: right;
}

.official-contact-row--top {
  align-items: flex-start;
}

.official-contact-row--top strong {
  text-align: right;
  font-weight: var(--font-weight-regular);
  color: var(--color-neutral-800);
}

a.official-contact-row strong {
  color: var(--color-accent);
}

.official-wechat {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}

.official-wechat img {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border: 1px solid var(--color-neutral-600);
}

.official-wechat p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
}

/* Footer */
.official-footer {
  padding: 20px 0 16px;
  border-top: 1px solid #e6e6e6;
  color: var(--color-neutral-700);
  font-size: var(--font-size-xs);
}

.official-footer p {
  margin: 0 0 6px;
  line-height: 1.7;
}

/* Bottom bar */
.official-mbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 47;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 8px;
  padding: 8px 16px calc(8px + env(safe-area-inset-bottom, 0px));
  background: var(--color-surface);
  border-top: 1px solid #e6e6e6;
}

@media (min-width: 720px) {
  html.is-official {
    --official-header-h: 72px;
  }

  .official-site {
    padding-bottom: 0;
  }

  .official-wrap {
    padding-left: 24px;
    padding-right: 24px;
  }

  .official-nav {
    display: flex;
    flex: 1;
    justify-content: center;
    gap: 2px;
  }

  .official-nav button {
    padding: 10px 12px;
    border: 0;
    background: transparent;
    font-size: var(--font-size-md);
    color: var(--color-neutral-700);
  }

  .official-nav button.is-on {
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
  }

  .official-menu-btn,
  .official-mask,
  .official-drawer,
  .official-mbar {
    display: none !important;
  }

  .official-header-actions .official-btn--desk {
    display: inline-flex;
  }

  .official-logo,
  .official-logo img {
    height: 36px;
    max-width: 200px;
  }

  .official-hero {
    display: flex;
    min-height: 70vh;
  }

  .official-hero-visual {
    display: flex;
    flex: 1;
    min-width: 0;
  }

  .official-hero-visual img {
    flex: 1.15;
    height: auto;
    min-height: 70vh;
    max-height: none;
  }

  .official-hero-panel {
    flex: 0.85;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 48px 40px;
  }

  .official-hero h1 {
    font-size: 40px;
  }

  .official-hero-panel > p {
    max-width: 22em;
    font-size: var(--font-size-md);
  }

  .official-hero-actions {
    max-width: 360px;
  }

  .official-quick-grid,
  .official-figures-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .official-quick-item,
  .official-figure {
    border-bottom: 0;
  }

  .official-quick-item:nth-child(2n),
  .official-figure:nth-child(2n) {
    border-right: 1px solid #e6e6e6;
  }

  .official-quick-item:last-child,
  .official-figure:last-child {
    border-right: 0;
  }

  .official-section {
    padding: 64px 0;
  }

  .official-photo img {
    height: 280px;
  }

  .official-enter h2 {
    font-size: 32px;
  }

  .official-enter-actions {
    max-width: 400px;
  }
}