.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 249, 0.9);
  border-bottom: 1px solid rgba(229, 231, 228, 0.72);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-logo {
  width: 156px;
  height: auto;
  max-height: 64px;
  object-fit: contain;
}

.site-nav {
  position: fixed;
  inset: 80px 0 auto;
  display: none;
  background: rgba(248, 250, 249, 0.98);
  border-bottom: 1px solid var(--color-border);
  padding: 18px 24px 24px;
}

.site-nav.is-open {
  display: block;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: #2f3632;
  font-size: 17px;
  font-weight: 300;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  transition: color 180ms ease;
}

.nav-link.is-active {
  color: var(--color-accent-dark);
}

.has-submenu {
  position: relative;
}

.submenu {
  display: grid;
  gap: 10px;
  margin-top: 8px;
  padding: 12px 16px;
  background: rgba(248, 250, 249, 0.96);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.submenu-link {
  color: var(--color-muted);
  font-size: 14px;
}

.submenu-link.is-active,
.footer-list a.is-active {
  color: var(--color-accent-dark);
  font-weight: 500;
}

.menu-toggle {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
  background: transparent;
  border: 0;
}

.menu-toggle span {
  width: 24px;
  height: 1px;
  background: var(--color-text);
}

.header-contact {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  min-height: 380px;
  overflow: hidden;
  place-items: center;
  color: #fff;
  background: #d8ddd8;
}

.hero-image,
.hero-media,
.hero::before {
  position: absolute;
  inset: 0;
}

.hero-media {
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 800ms ease, transform 1600ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::before {
  content: "";
  z-index: 1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.28));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100% - 32px, 820px);
  text-align: center;
}

.hero-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(52px, 9vw, 92px);
  font-weight: 400;
  line-height: 1;
  text-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
}

.hero-copy {
  margin: 16px auto 0;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.88);
}

/*
 * 内页 hero：高度由图片比例决定。
 * width:100% + height:auto → 任意屏幕完整显示、不裁切、不露底色。
 * 切图规格: 1920 × 720（8:3）。首页 home-hero 使用相同比例。
 */
.hero--intrinsic {
  display: block;
  min-height: 0;
  overflow: hidden;
  background: transparent;
}

.hero--intrinsic.portal-hero {
  min-height: 0;
}

.hero--intrinsic .hero-image {
  position: relative;
  inset: auto;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 720;
  object-fit: unset;
}

.hero--intrinsic::before {
  z-index: 1;
}

.hero--intrinsic .hero-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  width: 100%;
  place-items: center;
  place-content: center;
  padding: 24px 16px;
  box-sizing: border-box;
}

.hero--intrinsic .hero-content > * {
  width: min(100% - 32px, 820px);
}

.hero-navigation {
  position: absolute;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-nav-button,
.hero-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  backdrop-filter: blur(8px);
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.hero-nav-button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
}

.hero-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border-radius: 50%;
  font-size: 0;
}

.hero-nav-button:hover,
.hero-dot:hover,
.hero-dot.is-active {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(255, 255, 255, 0.92);
  color: var(--color-accent-dark);
}

.hero-nav-button:hover {
  transform: translateY(-1px);
}

.card {
  overflow: hidden;
  background: #fff;
  border-radius: var(--radius-sm);
}

/* 后台上传的图片比例不固定, 用 contain 保证整张图完整可见, 空白由底色兜住 */
.card-image {
  width: 100%;
  /* aspect-ratio: 4 / 3; */
  object-fit: contain;
  object-position: center;
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong);
  transition: opacity 180ms ease, transform 420ms ease;
}

/* 产品列表封面 1:1 */
.card-image.product-card-image {
  aspect-ratio: 1 / 1;
}

/* 系列列表封面 16:9 */
.card-image.series-card-image {
  aspect-ratio: 16 / 9;
}

.card a:hover .card-image {
  opacity: 0.84;
  transform: scale(1.015);
}

.article-card-carousel {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong);
}

.article-card-carousel-track {
  display: flex;
  height: 100%;
  transition: transform 420ms ease;
}

.article-card-carousel-slide {
  flex: 0 0 100%;
}

.article-card-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.card-body {
  padding: 16px 0 0;
  text-align: center;
}

.card-title {
  margin: 0;
  color: #1f2421;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.35;
}

.card-title a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.card-text {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.55;
}

.product-card-body {
  display: grid;
  gap: 8px;
  text-align: center;
}

.product-card-combo {
  font-size: 15px;
  line-height: 1.4;
}

.product-card-categories {
  margin-top: 0;
}

.product-card-name {
  margin: 0;
  color: #a3acb1;
  font-size: 18px;
  line-height: 1.45;
  text-transform: uppercase;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  color: var(--color-muted);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.gallery {
  display: grid;
  gap: 12px;
}

.gallery-main img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  border-radius: var(--radius-md);
  background: var(--color-surface-strong);
}

.gallery-thumbs {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
}

.gallery-thumb {
  flex: 0 0 76px;
  width: 76px;
  height: 76px;
  padding: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 2px solid transparent;
  border-radius: 8px;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumb.is-active {
  border-color: var(--color-accent-dark);
}

.gallery-thumb:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 2px;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--color-accent-dark);
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button {
  background: var(--color-accent-dark);
  color: #fff;
}

.button:hover {
  background: #2f3933;
  color: #fff;
}

.button-secondary {
  background: transparent;
  color: var(--color-accent-dark);
}

.button-secondary:hover {
  background: var(--color-accent-dark);
  color: #fff;
}

.state-box,
.empty-state {
  grid-column: 1 / -1;
  padding: 36px;
  color: var(--color-muted);
  text-align: center;
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 34px;
}

.pagination a,
.pagination span,
.pagination button {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  background: transparent;
  border: 0;
  border-radius: 50%;
}

.pagination .is-current {
  color: var(--color-soft);
  cursor: default;
}

.pagination a:hover {
  color: var(--color-accent-dark);
}

.form {
  display: grid;
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 7px;
}

.form-field label {
  color: var(--color-muted);
  font-size: 13px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: #fff;
  color: var(--color-text);
}

.form-field textarea {
  min-height: 132px;
  resize: vertical;
}

.form-message {
  min-height: 22px;
  margin: 0;
  color: var(--color-muted);
}

.form-message.is-success {
  color: #2f6f4f;
}

.form-message.is-error {
  color: #a0473d;
}

.site-footer {
  padding: 26px 0 34px;
  color: var(--color-muted);
  font-size: 13px;
}

.footer-grid {
  display: grid;
  gap: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--color-border);
}

.footer-kicker {
  margin: 0 0 14px;
  color: var(--color-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.video-player video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.footer-social-link {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-soft);
  font-size: 12px;
}

.footer-bottom {
  margin-top: 32px;
  color: #c0c4c2;
  font-size: 12px;
}

.global-inquiry-container {
  max-width: 1080px;
}

.global-inquiry-card {
  width: 100%;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.global-inquiry-form .card,
.global-inquiry-form .card-body {
  overflow: visible;
  padding: 0;
}

.global-inquiry-form .card-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
}

.global-inquiry-form .card-text {
  max-width: 720px;
  margin-bottom: 24px;
}

.floating-contact {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  pointer-events: none;
}

.floating-contact-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-radius: 8px 0 0 8px;
  box-shadow: var(--shadow-soft);
  list-style: none;
  pointer-events: auto;
}

.floating-contact-item {
  position: relative;
}

.floating-contact-button {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: #fff;
  background: var(--color-accent-dark);
  border: 0;
  border-radius: 0;
  transition: background 180ms ease;
}

.floating-contact-item:first-child .floating-contact-button {
  border-radius: 8px 0 0;
}

.floating-contact-item:last-child .floating-contact-button {
  border-radius: 0 0 0 8px;
}

.floating-contact-item + .floating-contact-item .floating-contact-button {
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.floating-contact-button:hover,
.floating-contact-button:focus-visible,
.floating-contact-item.is-open .floating-contact-button {
  background: #2f3933;
}

.floating-contact-button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: -4px;
}

.floating-contact-email a:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 3px;
}

.floating-contact-icon {
  display: inline-flex;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
}

.floating-contact-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

/* 号码做成图标左侧的常显气泡, 不占用按钮列宽, 避免撑开整条浮动栏 */
.floating-contact-button.is-labeled {
  position: relative;
}

.floating-contact-number {
  position: absolute;
  top: 50%;
  right: calc(100% + 8px);
  max-width: 168px;
  padding: 5px 11px;
  overflow: hidden;
  color: #fff;
  background: var(--color-accent-dark);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
  transform: translateY(-50%);
  transition: opacity 160ms ease;
}

/* 弹层展开时让位, 否则会和二维码浮层叠在一起 */
.floating-contact-item.is-open .floating-contact-number {
  opacity: 0;
}

.floating-contact-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--color-accent-dark);
  font-size: 14px;
  font-weight: 600;
  word-break: break-all;
}

.floating-contact-link:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 3px;
}

.floating-contact-popover {
  position: absolute;
  right: calc(100% + 12px);
  top: 0;
  bottom: auto;
  width: min(236px, calc(100vw - 92px));
  max-height: calc(100vh - 24px);
  padding: 18px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  animation: floating-contact-in 180ms ease forwards;
}

.floating-contact-item:nth-child(2) .floating-contact-popover {
  top: 50%;
  transform: translateY(-50%);
}

.floating-contact-item:nth-child(3) .floating-contact-popover {
  top: auto;
  bottom: 0;
}

.floating-contact-item:last-child .floating-contact-popover:not(.floating-contact-message) {
  top: auto;
  bottom: 0;
  transform: none;
}

.floating-contact-popover[hidden] {
  display: none;
}

.floating-contact-title {
  display: block;
  margin-bottom: 12px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
}

.floating-contact-qr {
  width: 200px;
  max-width: 100%;
  aspect-ratio: 1;
  margin-inline: auto;
  object-fit: contain;
  background: var(--color-surface);
}

.floating-contact-note,
.floating-contact-error {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.45;
}

.floating-contact-error {
  color: #a0473d;
}

.floating-contact-popover.is-unavailable {
  width: min(220px, calc(100vw - 76px));
}

.floating-contact-unavailable {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.55;
}

.floating-contact-email {
  width: min(280px, calc(100vw - 92px));
}

.floating-contact-email a {
  display: inline-block;
  max-width: 100%;
  color: var(--color-accent-dark);
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.floating-contact-message {
  position: fixed;
  top: 50%;
  right: calc(52px + 12px);
  bottom: auto;
  width: min(360px, calc(100vw - 92px));
  max-height: calc(100vh - 32px);
  padding: 20px 18px 18px;
  transform: translateY(-50%);
  pointer-events: auto;
}

.floating-contact-close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--color-muted);
  font-size: 28px;
  line-height: 1;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.floating-contact-close:hover,
.floating-contact-close:focus-visible {
  color: var(--color-text);
  background: var(--color-surface);
}

.floating-contact-close:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 2px;
}

.floating-contact-message .card {
  margin: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.floating-contact-message .card-body {
  padding: 0 28px 0 0;
}

.floating-contact-message .section-eyebrow {
  margin-bottom: 6px;
}

.floating-contact-message .card-title {
  margin-bottom: 8px;
  font-size: 22px;
}

.floating-contact-message .card-text {
  margin-bottom: 16px;
  font-size: 13px;
}

.floating-contact-message .form {
  gap: 12px;
}

.floating-contact-message .form-field label {
  margin-bottom: 4px;
  font-size: 13px;
}

.floating-contact-message .form-field input,
.floating-contact-message .form-field textarea {
  min-height: 40px;
  padding: 8px 10px;
  font-size: 14px;
}

.floating-contact-message .form-field textarea {
  min-height: 96px;
}

.floating-contact-message .button {
  width: 100%;
}

@keyframes floating-contact-in {
  to {
    opacity: 1;
  }
}

@media (max-width: 767px) {
  .global-inquiry-section {
    padding-block: 48px;
  }

  .global-inquiry-card {
    padding: 22px 18px;
  }

  .global-inquiry-form .button {
    width: 100%;
  }

  .floating-contact-button {
    width: 46px;
    height: 46px;
  }

  /* 窄屏只留图标, 号码气泡会占掉过多正文宽度 */
  .floating-contact-number {
    display: none;
  }

  .floating-contact-icon {
    width: 22px;
    height: 22px;
  }

  .floating-contact-popover,
  .floating-contact-email,
  .floating-contact-popover.is-unavailable {
    width: min(236px, calc(100vw - 70px));
  }

  .floating-contact-message {
    right: calc(46px + 12px);
    width: min(360px, calc(100vw - 70px));
    max-height: calc(100vh - 24px);
  }

  .floating-contact-message .card-body {
    padding-right: 24px;
  }
}

@media (min-width: 768px) {
  .hero {
    /* min-height: 560px; */
  }

  .site-nav {
    position: static;
    display: block;
    padding: 0;
    background: transparent;
    border: 0;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }

  .submenu {
    position: absolute;
    top: 100%;
    left: -18px;
    width: 240px;
    display: none;
    margin-top: 0;
    padding: 26px 18px;
    box-shadow: var(--shadow-soft);
  }

  .has-submenu:hover .submenu,
  .has-submenu:focus-within .submenu {
    display: grid;
  }

  .menu-toggle {
    display: none;
  }

  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .global-inquiry-card {
    padding: 40px;
  }

  .global-inquiry-form .form {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .global-inquiry-form .form-field-wide,
  .global-inquiry-form .form-message {
    grid-column: 1 / -1;
  }

  .global-inquiry-form .button {
    grid-column: 1 / -1;
    justify-self: start;
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .site-nav {
    position: fixed;
    inset: 80px 0 auto;
    display: none;
    padding: 18px 24px 24px;
    background: rgba(248, 250, 249, 0.98);
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .submenu {
    position: static;
    display: grid;
    width: auto;
    margin-top: 8px;
    padding: 12px 16px;
    box-shadow: none;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (min-width: 1200px) {
  .site-nav {
    flex: 1 1 auto;
  }

  .nav-list {
    /* justify-content: center; */
    gap: 16px;
    white-space: nowrap;
  }

  .header-contact {
    display: grid;
    flex: 0 0 auto;
    gap: 2px;
    color: var(--color-muted);
    font-size: 11px;
    line-height: 1.35;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .floating-contact-button,
  .floating-contact-popover {
    transition: none;
    animation: none;
  }

  .floating-contact-popover {
    opacity: 1;
  }

  .floating-contact-message {
    transform: translateY(-50%);
  }
}