:root {
  --color-bg: #f4f7fa;
  --color-surface: #ffffff;
  --color-surface-alt: #f8fbfd;
  --color-surface-soft: #eef7fb;
  --color-ink: #0f2940;
  --color-text: #243648;
  --color-muted: #657688;
  --color-brand: #0d63a5;
  --color-brand-strong: #0a4474;
  --color-accent: #f2941d;
  --color-accent-soft: #fff4e6;
  --color-line: #dce5ec;
  --color-success: #1f8a70;
  --color-shadow: rgba(20, 47, 71, 0.08);

  --font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  --fs-1: 12px;
  --fs-2: 13px;
  --fs-3: 14px;
  --fs-4: 16px;
  --fs-5: 18px;
  --fs-6: 20px;
  --fs-7: 24px;
  --fs-8: 28px;
  --fs-9: 34px;
  --fs-10: 44px;
  --lh-tight: 1.12;
  --lh-snug: 1.28;
  --lh-body: 1.8;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;

  --radius-1: 4px;
  --radius-2: 6px;
  --radius-3: 8px;

  --shadow-1: 0 10px 26px var(--color-shadow);
  --shadow-2: 0 18px 38px rgba(18, 54, 84, 0.12);

  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-emphasis: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-1: 120ms;
  --dur-2: 180ms;
  --dur-3: 260ms;
  --dur-4: 360ms;

  --container: min(1220px, calc(100% - 32px));
  --header-height: 92px;
  --mobile-bar-height: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  padding-bottom: 0;
}

body.en-mode .zh {
  display: none !important;
}

body.en-mode .en {
  display: initial !important;
}

.en {
  display: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.band {
  padding: var(--space-16) 0;
}

.band--alt {
  background: var(--color-surface);
}

.band--soft {
  background: var(--color-surface-alt);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.kicker {
  font-size: var(--fs-1);
  letter-spacing: 0;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--fs-8);
  line-height: var(--lh-snug);
  margin: 0;
  color: var(--color-ink);
}

.section-copy {
  max-width: 640px;
  margin: 0;
  color: var(--color-muted);
  line-height: var(--lh-body);
  font-size: var(--fs-4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.header-top {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-6);
  padding: 12px 0 10px;
}

.header-nav-wrap {
  border-top: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.78);
}

.header-nav-inner {
  padding: 0 0 2px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.brand-mark {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-1);
  background: linear-gradient(145deg, var(--color-brand), var(--color-brand-strong));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: var(--fs-4);
  letter-spacing: 0;
  box-shadow: none;
  flex: 0 0 auto;
}

.brand-text {
  min-width: 0;
  max-width: 360px;
}

.brand-name {
  display: block;
  font-size: var(--fs-6);
  font-weight: 900;
  line-height: 1.12;
  color: var(--color-brand-strong);
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-subtitle {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--fs-2);
  color: var(--color-muted);
  line-height: 1.4;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-5);
  flex-wrap: nowrap;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  height: 48px;
  color: var(--color-text);
  font-size: var(--fs-3);
  white-space: nowrap;
  transition: color var(--dur-2) var(--ease-standard);
}

.site-nav a span {
  display: inline;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-brand);
}

.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--color-accent);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  justify-self: end;
  white-space: nowrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 18px;
  border-radius: var(--radius-1);
  border: 1px solid transparent;
  font-weight: 800;
  font-size: var(--fs-3);
  cursor: pointer;
  transition:
    transform var(--dur-2) var(--ease-standard),
    background var(--dur-2) var(--ease-standard),
    border-color var(--dur-2) var(--ease-standard),
    color var(--dur-2) var(--ease-standard),
    box-shadow var(--dur-2) var(--ease-standard);
}

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

.button--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(242, 148, 29, 0.22);
}

.button--primary:hover {
  background: #e3830c;
}

.button--ghost {
  background: #fff;
  color: var(--color-brand);
  border-color: #c9d9e5;
}

.button--ghost:hover {
  border-color: var(--color-brand);
  color: var(--color-brand-strong);
}

.button--subtle {
  background: var(--color-surface-soft);
  color: var(--color-brand-strong);
  border-color: var(--color-line);
}

.icon-button {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-1);
  background: #fff;
  color: var(--color-brand-strong);
  border: 1px solid var(--color-line);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: stretch;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(8, 24, 40, 0.32), rgba(8, 24, 40, 0.7)),
    var(--hero-image) center/cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(8, 24, 40, 0.28));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 96px 32px 72px 200px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--fs-2);
  letter-spacing: 0;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
}

.hero-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.hero-company {
  margin: 0 0 var(--space-4);
  font-size: 52px;
  line-height: var(--lh-tight);
  font-weight: 900;
  color: #fff;
  letter-spacing: 0;
  max-width: none;
}

.hero-title {
  margin: 0;
  max-width: none;
  font-size: 40px;
  line-height: var(--lh-tight);
  font-weight: 800;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 760px;
  margin-top: var(--space-5);
  font-size: var(--fs-5);
  line-height: var(--lh-body);
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-10);
}

.metric {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-2);
  backdrop-filter: blur(8px);
}

.metric strong {
  display: block;
  font-size: var(--fs-6);
  color: #fff;
  line-height: var(--lh-snug);
}

.metric span {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--fs-2);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

.metric p {
  margin: var(--space-2) 0 0;
  font-size: var(--fs-2);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
}

.hero-rail {
  width: 100%;
  margin-top: var(--space-10);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.rail-card {
  min-height: 104px;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.94);
  border-radius: var(--radius-2);
  color: var(--color-text);
  box-shadow: var(--shadow-1);
}

.rail-card strong {
  display: block;
  font-size: var(--fs-4);
  color: var(--color-brand-strong);
}

.rail-card span {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: var(--fs-2);
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

.card,
.panel,
.detail-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-1);
}

.card {
  overflow: hidden;
  display: block;
  height: 100%;
  transition:
    transform var(--dur-2) var(--ease-standard),
    border-color var(--dur-2) var(--ease-standard),
    box-shadow var(--dur-2) var(--ease-standard);
}

.card:hover {
  transform: translateY(-4px);
  border-color: #c8d9e7;
  box-shadow: var(--shadow-2);
}

.card__media {
  aspect-ratio: 4 / 3;
  background: #dfe8f1 center/cover no-repeat;
}

.card__body {
  padding: var(--space-5);
  display: grid;
  gap: var(--space-2);
}

.card__body h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-5);
  line-height: var(--lh-snug);
  color: var(--color-ink);
}

.card__body p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--fs-3);
  line-height: var(--lh-body);
}

.card__action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-2);
  color: var(--color-brand);
  font-size: var(--fs-2);
  font-weight: 800;
}

.card__action::after {
  content: "→";
  transition: transform var(--dur-2) var(--ease-standard);
}

.card:hover .card__action::after {
  transform: translateX(3px);
}

.tag-row,
.chip-row,
.filter-row,
.stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: var(--radius-1);
  background: var(--color-surface-soft);
  color: var(--color-brand-strong);
  font-size: var(--fs-1);
  font-weight: 800;
  line-height: 1;
}

.chip--accent {
  background: var(--color-accent-soft);
  color: #9a5a00;
}

.page-hero {
  padding: 72px 0 56px;
  background:
    linear-gradient(90deg, rgba(13, 99, 165, 0.95), rgba(18, 80, 133, 0.92)),
    #0c5ea0;
  color: #fff;
  border-bottom: 4px solid var(--color-accent);
}

.page-hero .container {
  text-align: center;
}

.page-hero__crumbs {
  margin-bottom: var(--space-3);
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--fs-2);
}

.page-hero h1 {
  margin: 0 0 var(--space-4);
  font-size: var(--fs-10);
  line-height: var(--lh-snug);
}

.page-hero p {
  margin: 0 auto;
  max-width: 860px;
  color: rgba(255, 255, 255, 0.88);
  font-size: var(--fs-5);
  line-height: var(--lh-body);
}

.seo-breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--fs-2);
}

.seo-breadcrumbs__item + .seo-breadcrumbs__item::before {
  content: "/";
  margin: 0 var(--space-2);
  opacity: 0.6;
}

.seo-breadcrumbs__item a {
  color: inherit;
}

.list {
  display: grid;
  gap: var(--space-4);
}

.list-row {
  display: grid;
  grid-template-columns: 290px 1fr;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-1);
}

.list-row__media {
  min-height: 220px;
  background: #dde7f1 center/cover no-repeat;
}

.list-row__body {
  padding: var(--space-5);
}

.list-row__body h3 {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-6);
  color: var(--color-ink);
}

.list-row__body p {
  margin: 0;
  color: var(--color-muted);
  line-height: var(--lh-body);
}

.list-row__footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.spec-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.spec {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-line);
}

.spec:last-child {
  border-bottom: 0;
}

.spec b {
  color: var(--color-brand-strong);
  font-size: var(--fs-3);
}

.spec span {
  color: var(--color-muted);
  font-size: var(--fs-3);
  line-height: var(--lh-body);
}

.product-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.filter-button {
  border: 1px solid #d1dde7;
  background: var(--color-surface);
  color: #4a6176;
  border-radius: var(--radius-1);
  padding: 10px 14px;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform var(--dur-2) var(--ease-standard),
    background var(--dur-2) var(--ease-standard),
    color var(--dur-2) var(--ease-standard),
    border-color var(--dur-2) var(--ease-standard);
}

.filter-button:hover,
.filter-button.is-active {
  background: var(--color-brand);
  color: #fff;
  border-color: var(--color-brand);
  transform: translateY(-1px);
}

.branch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.branch-card {
  display: block;
  padding: var(--space-5);
  min-height: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-1);
  border-top: 3px solid var(--color-brand);
  transition:
    transform var(--dur-2) var(--ease-standard),
    box-shadow var(--dur-2) var(--ease-standard);
}

.branch-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.branch-card h3 {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-5);
  line-height: var(--lh-snug);
  color: var(--color-ink);
}

.branch-card p {
  margin: 0;
  color: var(--color-muted);
  line-height: var(--lh-body);
  font-size: var(--fs-3);
}

.branch-card small {
  display: block;
  margin-top: var(--space-5);
  color: var(--color-accent);
  font-size: var(--fs-1);
  font-weight: 900;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
}

.gallery {
  display: grid;
  gap: var(--space-3);
}

.gallery__main {
  aspect-ratio: 4 / 3;
  background: #dbe6f0 center/cover no-repeat;
  border-radius: var(--radius-2);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.gallery__thumb {
  aspect-ratio: 4 / 3;
  background: #e4edf5 center/cover no-repeat;
  border-radius: var(--radius-1);
  border: 1px solid var(--color-line);
}

.detail-panel h2 {
  margin: 0 0 var(--space-4);
  font-size: var(--fs-7);
  line-height: var(--lh-snug);
  color: var(--color-ink);
}

.detail-panel p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--fs-4);
  line-height: var(--lh-body);
}

.detail-stack {
  display: grid;
  gap: var(--space-3);
}

.detail-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.detail-strip__item {
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-1);
}

.detail-strip__item strong {
  display: block;
  color: var(--color-brand-strong);
  font-size: var(--fs-4);
}

.detail-strip__item span {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: var(--fs-2);
  line-height: 1.6;
}

.quote-panel {
  background: linear-gradient(135deg, #0d5e9f, #0b4f83);
  color: #fff;
  border-radius: var(--radius-2);
  padding: var(--space-6);
  box-shadow: var(--shadow-2);
}

.quote-panel p {
  color: rgba(255, 255, 255, 0.88);
  line-height: var(--lh-body);
  font-size: var(--fs-4);
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.quote-card {
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-1);
}

.quote-card strong {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--fs-3);
  color: var(--color-ink);
}

.quote-card span {
  color: var(--color-ink);
  font-size: var(--fs-2);
  line-height: 1.6;
}

.quote-form {
  display: grid;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  padding: var(--space-6);
  box-shadow: var(--shadow-1);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: var(--fs-2);
  font-weight: 800;
  color: #3b556c;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #d7e1e8;
  border-radius: var(--radius-1);
  background: #fff;
  color: var(--color-text);
  padding: 12px 13px;
  outline: none;
  transition:
    border-color var(--dur-2) var(--ease-standard),
    box-shadow var(--dur-2) var(--ease-standard);
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(13, 99, 165, 0.12);
}

.notice {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
  color: #7a550b;
  border-radius: var(--radius-1);
  font-size: var(--fs-2);
  line-height: 1.75;
}

.site-footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  padding: var(--space-8) 0;
  color: #6b7b8b;
  font-size: var(--fs-2);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--dur-4) var(--ease-emphasis),
    transform var(--dur-4) var(--ease-emphasis);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.menu-drawer {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  grid-template-columns: 1fr min(360px, 88vw);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-3) var(--ease-standard);
}

.menu-drawer.is-open {
  opacity: 1;
  pointer-events: auto;
}

.menu-drawer__backdrop {
  background: rgba(9, 24, 39, 0.42);
}

.menu-drawer__panel {
  background: var(--color-surface);
  padding: var(--space-6);
  box-shadow: -12px 0 32px rgba(16, 35, 53, 0.18);
  display: grid;
  gap: var(--space-4);
}

.menu-drawer__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.menu-drawer__nav {
  display: grid;
  gap: var(--space-2);
}

.menu-drawer__nav a {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
  font-weight: 800;
  color: var(--color-text);
}

.menu-drawer__nav a.is-active {
  color: var(--color-brand);
}

.chat-widget {
  position: fixed;
  right: var(--space-6);
  bottom: calc(var(--space-6) + var(--mobile-bar-height));
  z-index: 65;
}

body.live-chat-ready .chat-panel,
body.live-chat-ready .chat-fab {
  display: none;
}

body.live-chat-ready .chat-fab {
  background: linear-gradient(135deg, var(--color-brand), var(--color-brand-strong));
  box-shadow: 0 12px 28px rgba(13, 99, 165, 0.24);
}

.chat-panel {
  position: absolute;
  right: 0;
  bottom: 56px;
  width: 320px;
  padding: 0 var(--space-4) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity var(--dur-2) var(--ease-standard),
    transform var(--dur-2) var(--ease-standard),
    visibility var(--dur-2) var(--ease-standard);
}

.chat-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.chat-panel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 calc(var(--space-4) * -1) var(--space-4);
  padding: var(--space-4);
  background: linear-gradient(90deg, var(--color-brand), var(--color-brand-strong));
  color: #fff;
  border-radius: var(--radius-2) var(--radius-2) 0 0;
}

.chat-panel__head b {
  font-size: var(--fs-4);
}

.chat-panel__close {
  border: 0;
  background: transparent;
  color: #fff;
  font-size: var(--fs-9);
  line-height: 1;
  cursor: pointer;
}

.chat-panel p {
  margin: 0;
  color: var(--color-muted);
  line-height: var(--lh-body);
  font-size: var(--fs-3);
}

.chat-panel a {
  display: block;
  margin-top: var(--space-4);
  padding: 11px 12px;
  border-radius: var(--radius-1);
  background: var(--color-surface-soft);
  color: var(--color-brand-strong);
  font-weight: 800;
}

.chat-panel small {
  display: block;
  margin-top: var(--space-3);
  color: #8090a0;
  font-size: var(--fs-1);
  line-height: 1.5;
}

.chat-fab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 0;
  border-radius: var(--radius-1);
  padding: 13px 16px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(242, 148, 29, 0.24);
  cursor: pointer;
}

.chat-fab__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.24);
}

.mobile-bar {
  display: none;
}

.is-hidden {
  display: none !important;
}

@media (max-width: 1100px) {
  .hero-meta,
  .hero-rail,
  .grid--4,
  .detail-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--3,
  .branch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-layout,
  .list-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 76px;
  }

  body {
    padding-bottom: var(--mobile-bar-height);
  }

  .header-nav-wrap,
  .header-actions .button--ghost {
    display: none;
  }

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

  .brand-mark {
    width: 46px;
    height: 46px;
    font-size: var(--fs-3);
  }

  .brand-name {
    font-size: var(--fs-4);
    white-space: normal;
  }

  .brand-subtitle {
    font-size: var(--fs-1);
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding: 72px 20px 56px;
  }

  .hero-company {
    font-size: var(--fs-8);
    max-width: none;
  }

  .hero-title {
    font-size: var(--fs-7);
    max-width: none;
  }

  .hero-copy {
    font-size: var(--fs-3);
  }

  .hero-meta,
  .hero-rail,
  .grid--4,
  .grid--3,
  .grid--2,
  .form-grid,
  .quote-grid,
  .detail-strip,
  .branch-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .section-head {
    display: block;
  }

  .section-copy {
    margin-top: var(--space-3);
  }

  .card__body {
    padding: var(--space-4);
  }

  .page-hero {
    padding: 50px 0 36px;
  }

  .page-hero h1 {
    font-size: var(--fs-7);
  }

  .spec {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

  .chat-widget {
    right: var(--space-3);
    bottom: calc(var(--space-3) + var(--mobile-bar-height));
  }

  .chat-panel {
    width: min(320px, calc(100vw - 24px));
  }

  .mobile-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    height: var(--mobile-bar-height);
    background: var(--color-surface);
    border-top: 1px solid var(--color-line);
    box-shadow: 0 -8px 18px rgba(18, 54, 84, 0.06);
  }

  .mobile-bar a,
  .mobile-bar button {
    border: 0;
    background: transparent;
    display: grid;
    place-items: center;
    color: var(--color-text);
    font-size: var(--fs-2);
    font-weight: 800;
    cursor: pointer;
  }

  .mobile-bar a:last-child {
    background: var(--color-accent);
    color: #fff;
  }

  .menu-drawer {
    grid-template-columns: 1fr;
  }

  .menu-drawer__backdrop {
    display: none;
  }

  .menu-drawer__panel {
    width: 100%;
    height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* v6 user-photo upgrade */
.card__media,
.list-row__media,
.gallery__main,
.gallery__thumb {
  overflow: hidden;
}

.card__media img,
.list-row__media img,
.gallery__main img,
.gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-4) var(--ease-emphasis);
}

.card:hover .card__media img,
.list-row:hover .list-row__media img,
.gallery__thumb:hover img {
  transform: scale(1.035);
}

.product-note {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-2);
  background: var(--color-surface-soft);
  border: 1px solid var(--color-line);
  color: var(--color-muted);
  line-height: var(--lh-body);
}

.photo-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-3);
}

.photo-strip__item {
  min-height: 160px;
  border-radius: var(--radius-2);
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
}

.photo-strip__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guide-steps {
  counter-reset: guide;
  display: grid;
  gap: var(--space-3);
}

.guide-step {
  position: relative;
  padding: var(--space-5) var(--space-5) var(--space-5) 70px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-1);
}

.guide-step::before {
  counter-increment: guide;
  content: counter(guide);
  position: absolute;
  left: var(--space-5);
  top: var(--space-5);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--color-brand);
  color: #fff;
  font-weight: 900;
}

.guide-step h3 {
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
}

.guide-step p,
.guide-step li {
  color: var(--color-muted);
  line-height: var(--lh-body);
}

@media (max-width: 1100px) {
  .photo-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .photo-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-step { padding-left: var(--space-5); padding-top: 62px; }
}

/* About page: company advantages */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.advantage-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-1);
  padding: var(--space-6);
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.advantage-card:hover {
  transform: translateY(-4px);
  border-color: #c8d9e7;
  box-shadow: var(--shadow-2);
}

.advantage-card__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-3);
  background: linear-gradient(145deg, var(--color-brand), var(--color-brand-strong));
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  margin-bottom: var(--space-4);
}

.advantage-card__body {
  display: grid;
  gap: var(--space-2);
}

.advantage-card__body h3.zh {
  margin: 0;
  font-size: 17px;
  line-height: 1.3;
  color: var(--color-ink);
}

.advantage-card__body h3.en {
  margin: 0;
  font-size: 12px;
  color: var(--color-brand);
  font-weight: 700;
}

.advantage-card__body p.zh {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.7;
}

.advantage-card__body p.en {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.6;
}

/* About page: FAQ */
.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2);
  padding: 0 var(--space-5);
  transition: border-color .2s ease;
}

.faq-item[open] {
  border-color: var(--color-brand);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-4) 0;
  font-weight: 700;
  color: var(--color-ink);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--color-brand);
  font-size: 22px;
  line-height: 1;
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item__body {
  padding: var(--space-4) 0;
  display: grid;
  gap: var(--space-2);
  border-top: 1px solid var(--color-line);
}

.faq-item__body p.zh {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.7;
}

.faq-item__body p.en {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.6;
}

@media (max-width: 1100px) {
  .advantage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .advantage-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ===================== 产品左右滚动展示 ===================== */
.scroller {
  position: relative;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.scroller__track {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--space-2);
}

.scroller__track::-webkit-scrollbar {
  display: none;
}

.scroller__item {
  flex: 0 0 calc((100% - var(--space-4) * 3) / 4);
  scroll-snap-align: start;
  display: flex;
}

.scroller__item > .card {
  width: 100%;
  height: 100%;
}

.scroller__btn {
  position: absolute;
  top: 34%;
  transform: translateY(-50%);
  z-index: 3;
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0 5px;
  border: 1px solid #cddced;
  border-radius: 50%;
  background: #ffffff;
  color: var(--color-brand);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-2);
  transition:
    background var(--dur-2) var(--ease-standard),
    color var(--dur-2) var(--ease-standard),
    opacity var(--dur-2) var(--ease-standard);
}

.scroller__btn:hover {
  background: var(--color-brand);
  color: #ffffff;
}

.scroller__btn.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.scroller__btn--prev {
  left: -12px;
}

.scroller__btn--next {
  right: -12px;
}

/* 产品中心分类区块 */
.cat-block {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.cat-block + .cat-block {
  margin-top: var(--space-12);
}

.cat-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-6);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-line);
}

.cat-title {
  margin: 0;
  font-size: var(--fs-7);
  line-height: var(--lh-snug);
  color: var(--color-ink);
}

.cat-title::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 20px;
  margin-right: 10px;
  border-radius: 3px;
  background: var(--color-accent);
  vertical-align: -2px;
}

.cat-copy {
  margin: 0;
  max-width: 680px;
  color: var(--color-muted);
  font-size: var(--fs-3);
  line-height: var(--lh-body);
}

@media (max-width: 1100px) {
  .scroller__item {
    flex: 0 0 calc((100% - var(--space-4)) / 2);
  }

  .scroller__btn--prev {
    left: -8px;
  }

  .scroller__btn--next {
    right: -8px;
  }
}

@media (max-width: 760px) {
  .scroller__item {
    flex: 0 0 78%;
  }

  .scroller__btn {
    display: none;
  }

  .cat-title {
    font-size: var(--fs-6);
  }

  .cat-block + .cat-block {
    margin-top: var(--space-8);
  }
}

/* ===== 正文内容区（产品规格与说明 / 更多说明） ===== */
.entry-content {
  max-width: 920px;
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.9;
}

.entry-content > *:first-child {
  margin-top: 0;
}

.entry-content p {
  margin: 0 0 16px;
  color: var(--color-text);
}

.entry-content h2,
.entry-content h3 {
  margin: 30px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--color-brand);
  color: var(--color-ink);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.45;
}

.entry-content h4 {
  margin: 22px 0 10px;
  color: var(--color-ink);
  font-size: 17px;
  font-weight: 700;
}

.entry-content table {
  width: 100%;
  margin: 0 0 24px;
  border-collapse: collapse;
  font-size: 15px;
}

.entry-content thead th {
  background: var(--color-surface-soft);
  color: var(--color-ink);
  font-weight: 700;
}

.entry-content th,
.entry-content td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.entry-content tbody tr:nth-child(even) td {
  background: var(--color-surface-alt);
}

.entry-content ul,
.entry-content ol {
  margin: 0 0 20px;
  padding-left: 22px;
}

.entry-content li {
  margin: 8px 0;
  line-height: 1.85;
}

.entry-content strong {
  color: var(--color-ink);
  font-weight: 700;
}

@media (max-width: 760px) {
  .entry-content {
    font-size: 15px;
  }

  .entry-content h2,
  .entry-content h3 {
    font-size: 19px;
  }

  .entry-content table {
    font-size: 14px;
  }

  .entry-content th,
  .entry-content td {
    padding: 10px 10px;
  }
}

/* ============================================================
   第十一次升级：60fps 丝滑交互反馈（全部 transform/opacity + GPU）
   ============================================================ */

/* 标题更优雅的换行（现代浏览器生效，旧版自动忽略） */
.section-title,
.page-hero h1,
.card__body h3,
.advantage-card__body h3.zh,
.entry-content h2,
.cat-title {
  text-wrap: balance;
}

/* 键盘焦点环：可访问性 + 清晰的聚焦反馈 */
a:focus-visible,
button:focus-visible,
.button:focus-visible,
 input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.filter-button:focus-visible,
.scroller__btn:focus-visible,
.gallery__thumb:focus-visible {
  outline: 3px solid rgba(13, 99, 165, 0.5);
  outline-offset: 2px;
}

/* 导航：悬停/选中时强调条从左滑出（不再生硬出现） */
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-2) var(--ease-standard);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

/* 卡片：标题随悬停变品牌色 + GPU 层提示 */
.card {
  will-change: transform;
}

.card__body h3 {
  transition: color var(--dur-2) var(--ease-standard);
}

.card:hover .card__body h3 {
  color: var(--color-brand);
}

/* 按钮：按下回弹 + 主按钮流光扫过 */
.button {
  position: relative;
  overflow: hidden;
}

.button:active {
  transform: translateY(0) scale(0.97);
}

.button--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform var(--dur-4) var(--ease-standard);
  pointer-events: none;
}

.button--primary:hover::before {
  transform: translateX(120%);
}

/* 文章卡（list-row）悬停上浮 + 阴影 */
.list-row {
  transition:
    transform var(--dur-2) var(--ease-standard),
    border-color var(--dur-2) var(--ease-standard),
    box-shadow var(--dur-2) var(--ease-standard);
  will-change: transform;
}

.list-row:hover {
  transform: translateY(-3px);
  border-color: #c8d9e7;
  box-shadow: var(--shadow-2);
}

/* 标签悬停微抬 */
.chip {
  transition:
    transform var(--dur-2) var(--ease-standard),
    background var(--dur-2) var(--ease-standard),
    color var(--dur-2) var(--ease-standard);
}

.chip:hover {
  transform: translateY(-1px);
}

/* 分类卡：顶部强调条悬停生长 */
.branch-card {
  position: relative;
  overflow: hidden;
}

.branch-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-3) var(--ease-standard);
}

.branch-card:hover::before {
  transform: scaleX(1);
}

/* 顶部阅读进度条（transform 缩放，GPU 加速） */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 80;
  pointer-events: none;
  will-change: transform;
}

/* 返回顶部按钮 */
.to-top {
  position: fixed;
  right: 20px;
  bottom: calc(20px + var(--mobile-bar-height));
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-2);
  z-index: 64;
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  transition:
    opacity var(--dur-2) var(--ease-standard),
    transform var(--dur-2) var(--ease-standard),
    background var(--dur-2) var(--ease-standard);
  pointer-events: none;
}

.to-top.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.to-top:hover {
  background: var(--color-brand-strong);
}

.to-top:active {
  transform: scale(0.92);
}

/* 相册：缩略图可点切换主图（淡入淡出） */
.gallery__thumb {
  cursor: pointer;
  transition:
    border-color var(--dur-2) var(--ease-standard),
    transform var(--dur-2) var(--ease-standard),
    box-shadow var(--dur-2) var(--ease-standard);
}

.gallery__thumb:hover {
  transform: translateY(-2px);
}

.gallery__thumb.is-active {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 2px rgba(13, 99, 165, 0.18);
}

.gallery__main {
  transition: opacity var(--dur-2) var(--ease-standard);
}

.gallery__main.is-swapping {
  opacity: 0;
}

/* ============================================================
   第十二次升级：放大动效 + 触屏反馈 + 手机端专项优化
   设计原则：只用 transform / opacity（GPU 加速，稳 60fps）
   桌面的 hover 动效在手机上不触发，所以新增 :active 触屏反馈，
   并针对手机单独优化布局、字号、间距、点按区域。
   ============================================================ */

/* ---------- A. 放大桌面 hover 动效（更明显的大整改） ---------- */
.card:hover,
.card.reveal:hover {
  transform: translateY(-8px);
  border-color: var(--color-brand);
  box-shadow: 0 22px 44px rgba(13, 99, 165, 0.18);
}

.card:hover .card__body h3 {
  color: var(--color-brand);
}

.card:hover .card__media img,
.list-row:hover .list-row__media img {
  transform: scale(1.06);
}

.list-row:hover,
.list-row.reveal:hover {
  transform: translateY(-6px);
  border-color: var(--color-brand);
  box-shadow: 0 22px 44px rgba(13, 99, 165, 0.16);
}

.branch-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px rgba(13, 99, 165, 0.16);
}

.branch-card:hover::before {
  transform: scaleX(1);
}

.button--primary:hover {
  transform: translateY(-2px);
}

.button--primary:hover::before {
  transform: translateX(120%);
}

.chip:hover {
  transform: translateY(-2px);
}

/* 导航下划线加粗，更醒目 */
.site-nav a::after {
  height: 4px;
}

/* ---------- B. 触屏按下反馈（手机也能感到交互） ---------- */
.card:active,
.card.reveal:active,
.list-row:active,
.list-row.reveal:active,
.branch-card:active {
  transform: scale(0.985) translateY(-2px);
  transition-duration: 90ms;
}

.button:active {
  transform: scale(0.96);
}

.gallery__thumb:active {
  transform: scale(0.97);
}

/* 去掉移动端点击时的蓝色高亮块，触感更干净 */
* {
  -webkit-tap-highlight-color: transparent;
}

/* ---------- C. 更明显的滚动入场（桌面+手机通用） ---------- */
.reveal {
  transform: translateY(26px);
  opacity: 0;
}

.reveal.is-visible {
  transform: translateY(0);
  opacity: 1;
}

/* ---------- D. 首屏 Hero 载入动画（桌面+手机都看得到） ---------- */
@keyframes heroRise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-inner > * {
  opacity: 0;
  animation: heroRise 0.7s var(--ease-emphasis) both;
}

.hero-inner > *:nth-child(1)  { animation-delay: 0.04s; }
.hero-inner > *:nth-child(2)  { animation-delay: 0.10s; }
.hero-inner > *:nth-child(3)  { animation-delay: 0.16s; }
.hero-inner > *:nth-child(4)  { animation-delay: 0.22s; }
.hero-inner > *:nth-child(5)  { animation-delay: 0.28s; }
.hero-inner > *:nth-child(6)  { animation-delay: 0.34s; }
.hero-inner > *:nth-child(7)  { animation-delay: 0.40s; }
.hero-inner > *:nth-child(8)  { animation-delay: 0.46s; }
.hero-inner > *:nth-child(9)  { animation-delay: 0.52s; }
.hero-inner > *:nth-child(10) { animation-delay: 0.58s; }

/* ---------- E. 手机端专项优化（<=760px） ---------- */
@media (max-width: 760px) {
  :root {
    --mobile-bar-height: 60px;
  }

  html {
    -webkit-text-size-adjust: 100%;
  }

  /* Hero：保留背景图，加强遮罩保证文字清晰；按钮更大更好点 */
  .hero {
    min-height: 80vh;
    background:
      linear-gradient(180deg, rgba(8, 24, 40, 0.46), rgba(8, 24, 40, 0.78)),
      var(--hero-image) center/cover no-repeat;
  }

  .hero-inner {
    padding: 86px 18px 60px;
    justify-content: center;
  }

  .hero-company {
    font-size: 30px;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-copy {
    font-size: 15px;
    margin-top: 16px;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
    gap: 12px;
    margin-top: 28px;
  }

  .hero-actions .button {
    width: 100%;
    justify-content: center;
    padding: 15px 18px;
    font-size: 16px;
  }

  .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 28px;
  }

  .metric {
    padding: 12px;
  }

  /* 区块间距更紧凑但仍舒适 */
  .band {
    padding: 40px 0;
  }

  .section {
    padding: 40px 0;
  }

  .section-head {
    margin-bottom: 22px;
  }

  /* 卡片：图片更高更清楚，点按区更大 */
  .card__media {
    aspect-ratio: 16 / 10;
  }

  .card__body {
    padding: 16px;
  }

  .card__body h3 {
    font-size: 16px;
  }

  .card__body p {
    font-size: 13px;
  }

  /* 左右滚动产品：手机上更醒目，占更大宽度、间距舒服 */
  .scroller__item {
    flex: 0 0 82%;
  }

  .scroller__track {
    gap: 14px;
    padding-left: 4px;
    padding-right: 4px;
  }

  /* 移动底栏：更高更清晰，点按有反馈 */
  .mobile-bar {
    height: var(--mobile-bar-height);
    box-shadow: 0 -8px 22px rgba(18, 54, 84, 0.10);
  }

  .mobile-bar a {
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    font-weight: 800;
    line-height: 1.2;
  }

  .mobile-bar a:active {
    background: var(--color-surface-soft);
  }

  .mobile-bar a:last-child:active {
    background: #d97e10;
  }

  /* 抽屉导航：点按区域更大，更易操作 */
  .menu-drawer__nav a {
    padding: 16px 4px;
    font-size: 17px;
  }

  /* 通用按钮在手机上更易点 */
  .button {
    padding: 13px 18px;
    font-size: 15px;
  }

  .header-top .button--primary {
    padding: 10px 14px;
    font-size: 14px;
  }

  /* 正文/详情在手机上更易读 */
  .entry-content {
    font-size: 15px;
    line-height: 1.85;
  }

  .detail-strip,
  .quote-grid,
  .form-grid {
    gap: 12px;
  }

  /* 文章列表在手机上更紧凑 */
  .list-row {
    padding: 12px;
    gap: 12px;
  }

  .list-row__media {
    width: 96px;
    flex: 0 0 96px;
  }

  /* 分类卡在手机上点按区足够大 */
  .branch-card {
    padding: 18px;
  }

  /* 防止任何内容横向溢出产生横向滚动 */
  img,
  .card,
  .scroller,
  .metric {
    max-width: 100%;
  }
}

/* 尊重「减少动态效果」系统设置：关闭 Hero 入场与动画 */
@media (prefers-reduced-motion: reduce) {
  .hero-inner > * {
    opacity: 1 !important;
    animation: none !important;
  }
}


/* ===== 淘宝式图库交互（悬停切换 + 点击放大灯箱）2026-09-24 ===== */
.gallery__main {
  cursor: zoom-in;
  position: relative;
}
.gallery__main::after {
  content: '⤢';
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 17, 21, .45);
  color: #fff;
  font-size: 17px;
  border-radius: 8px;
  pointer-events: none;
}
.ms-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(15, 17, 21, .92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.ms-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}
.ms-lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  cursor: default;
}
.ms-lightbox__btn {
  position: absolute;
  background: rgba(255, 255, 255, .14);
  border: none;
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease;
}
.ms-lightbox__btn:hover {
  background: rgba(255, 255, 255, .28);
}
.ms-lightbox__close { top: 18px; right: 18px; }
.ms-lightbox__prev { left: 18px; top: 50%; transform: translateY(-50%); }
.ms-lightbox__next { right: 18px; top: 50%; transform: translateY(-50%); }
.ms-lightbox__count {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  letter-spacing: .08em;
}
@media (max-width: 640px) {
  .ms-lightbox__btn { width: 38px; height: 38px; font-size: 19px; }
  .ms-lightbox img { max-width: 96vw; max-height: 80vh; }
}