/* 臻享物联 - 关于我们 */
:root {
  --primary: #f15a24;
  --background: #f8fafc;
  --foreground: #0f172a;
  --card: #ffffff;
  --muted: #f1f5f9;
  --muted-fg: #64748b;
  --border: rgba(15, 23, 42, 0.1);
  --max-w: 1440px;
  --max-w-narrow: 1200px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --shadow-custom: 0 4px 24px rgba(241, 90, 36, 0.1);
  --gw-tab-nav-h: 3.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--background);
  color: var(--foreground);
  overflow-x: hidden;
  line-height: 1.5;
}

body.about-page {
  overflow-x: clip;
}

@supports not (overflow-x: clip) {
  body.about-page {
    overflow-x: hidden;
  }
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

.about-container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  .about-container {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .about-container {
    padding-left: 5rem;
    padding-right: 5rem;
  }
}

.about-container--narrow {
  max-width: var(--max-w-narrow);
}

@media (min-width: 768px) {
  .about-container--narrow {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

.section-divider {
  height: 1px;
  background: var(--border);
  margin: 0 clamp(16px, 5vw, 80px);
}

/* ─── Utilities (from index.css) ─── */
.light-grid-bg {
  background-image:
    linear-gradient(rgba(241, 90, 36, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241, 90, 36, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.text-gradient-blue {
  background: linear-gradient(135deg, #f15a24 0%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-green {
  background: linear-gradient(135deg, #16a34a 0%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-orange {
  background: linear-gradient(135deg, #f15a24 0%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-multi {
  background: linear-gradient(135deg, #f15a24 0%, #f97316 50%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient-cyan {
  background: linear-gradient(135deg, #f15a24 0%, #fb923c 100%);
}

.bg-gradient-purple {
  background: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);
}

.bg-gradient-green {
  background: linear-gradient(135deg, #16a34a 0%, #fb923c 100%);
}

.bg-gradient-orange {
  background: linear-gradient(135deg, #f15a24 0%, #fb923c 100%);
}

.bg-gradient-blue {
  background: linear-gradient(135deg, #f15a24 0%, #f97316 100%);
}

.soft-glow-blue {
  box-shadow: 0 4px 20px rgba(241, 90, 36, 0.25);
}

/* 章节导航：滚动时贴在顶栏下方（sticky；旧浏览器由 JS is-pinned 降级） */
.tab-nav-slot {
  position: sticky;
  top: var(--gw-header-h, 5rem);
  z-index: 49;
}

.tab-nav-sticky {
  position: relative;
  z-index: 1;
}

.tab-nav-sticky.is-pinned {
  position: fixed;
  top: var(--gw-header-h, 5rem);
  left: 0;
  right: 0;
  width: 100%;
  z-index: 49;
}

/* cert skeleton */
@keyframes cert-shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.cert-skeleton {
  background-color: #f1f5f9;
  overflow: hidden;
  position: relative;
}

.cert-skeleton-bar,
.cert-skeleton-circle,
.cert-skeleton-line {
  background: linear-gradient(90deg, #e2e8f0 25%, #cbd5e1 50%, #e2e8f0 75%);
  background-size: 800px 100%;
  animation: cert-shimmer 1.6s infinite linear;
  flex-shrink: 0;
}

.cert-lazy-wrapper {
  position: relative;
  width: 100%;
}

.cert-skeleton-layer {
  position: absolute;
  inset: 0;
  transition: opacity 350ms ease;
  z-index: 1;
}

.cert-skeleton-layer.is-loaded {
  opacity: 0;
  pointer-events: none;
}

.cert-content-layer {
  position: relative;
  z-index: 2;
  transition: opacity 500ms ease;
  opacity: 0;
  pointer-events: none;
}

.cert-content-layer.is-loaded {
  opacity: 1;
  pointer-events: auto;
}

/* ─── Hero ─── */
.about-hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  min-height: 680px;
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f3ff 30%, #f5f0ff 60%, #eef8ff 100%);
}

.about-hero__grid {
  position: absolute;
  inset: 0;
  opacity: 1;
}

.about-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.about-hero__glow--1 {
  width: 600px;
  height: 600px;
  top: -200px;
  left: -100px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(59, 130, 246, 0.04) 50%, transparent 70%);
}

.about-hero__glow--2 {
  width: 500px;
  height: 500px;
  top: 50px;
  right: -80px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, rgba(219, 39, 119, 0.04) 50%, transparent 70%);
}

.about-hero__glow--3 {
  width: 300px;
  height: 300px;
  bottom: 0;
  left: 40%;
  filter: blur(40px);
  background: radial-gradient(circle, rgba(22, 163, 74, 0.06) 0%, transparent 70%);
}

.about-hero__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

.about-hero__inner {
  position: relative;
  z-index: 10;
  min-height: 680px;
  display: flex;
  align-items: center;
}

.about-hero__content {
  max-width: 820px;
}

.about-hero__badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.about-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 9999px;
  color: #fff;
}

.about-hero__badge--outline {
  border: 1px solid rgba(37, 99, 235, 0.35);
  color: #2563eb;
  background: rgba(37, 99, 235, 0.06);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0.05em;
}

.about-hero__title {
  font-weight: 700;
  font-size: clamp(28px, 5vw, 46px);
  color: #0f172a;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
}

.about-hero__desc {
  font-size: clamp(15px, 2vw, 18px);
  color: #64748b;
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.about-hero__stat-value {
  font-weight: 700;
  font-size: clamp(24px, 3.5vw, 34px);
}

.about-hero__stat-label {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 3px;
}

.about-hero__stat-sep {
  display: none;
  width: 1px;
  height: 48px;
  background: rgba(37, 99, 235, 0.2);
}

@media (min-width: 640px) {
  .about-hero__stat-sep {
    display: block;
  }
}

.about-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 15px;
  color: #fff;
  transition: opacity 0.3s;
}

.about-hero__cta:hover {
  opacity: 0.85;
}

.about-hero__fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 5rem;
  background: linear-gradient(to bottom, transparent, #f8fafc);
  pointer-events: none;
}

/* ─── Tab Nav ─── */
.tab-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 49;
  background: rgba(15, 23, 42, 0.3);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.tab-nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 768px) {
  .tab-nav-overlay {
    display: none;
  }
}

.about-tab-nav {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(241, 90, 36, 0.12);
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}

.about-tab-nav__bar {
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, #f15a24 30%, #7c3aed 60%, transparent 100%);
  opacity: 0.5;
}

.about-tab-nav__desktop {
  display: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.about-tab-nav__desktop::-webkit-scrollbar {
  display: none;
}

@media (min-width: 768px) {
  .about-tab-nav__desktop {
    display: flex;
    align-items: center;
    gap: 0;
  }
}

.about-tab-nav__btn {
  position: relative;
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #64748b;
  background: transparent;
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: color 0.2s, background 0.2s;
}

.about-tab-nav__btn.is-active {
  color: #f15a24;
  background: rgba(241, 90, 36, 0.06);
}

.about-tab-nav__btn-indicator {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #f15a24, transparent);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: opacity 0.3s, transform 0.3s;
}

.about-tab-nav__btn.is-active .about-tab-nav__btn-indicator {
  opacity: 1;
  transform: scaleX(1);
}

.about-tab-nav__mobile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
}

@media (min-width: 768px) {
  .about-tab-nav__mobile {
    display: none;
  }
}

.about-tab-nav__mobile-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #f15a24;
  letter-spacing: 0.03em;
}

.about-tab-nav__hamburger {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(241, 90, 36, 0.18);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s;
}

.about-tab-nav__hamburger.is-open {
  background: rgba(241, 90, 36, 0.1);
}

.about-tab-nav__hamburger svg {
  position: absolute;
  transition: opacity 0.2s;
}

.about-tab-nav__hamburger .icon-close {
  opacity: 0;
}

.about-tab-nav__hamburger.is-open .icon-menu {
  opacity: 0;
}

.about-tab-nav__hamburger.is-open .icon-close {
  opacity: 1;
}

.about-tab-nav__drawer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, border-color 0.3s;
  border-top: 1px solid transparent;
}

.about-tab-nav__drawer.is-open {
  max-height: 360px;
  border-top-color: rgba(241, 90, 36, 0.1);
}

@media (min-width: 768px) {
  .about-tab-nav__drawer {
    display: none;
  }
}

.about-tab-nav__drawer-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 1.25rem;
  text-align: left;
  border: none;
  border-bottom: 1px solid rgba(241, 90, 36, 0.06);
  transition: background 0.15s;
}

.about-tab-nav__drawer-item:nth-child(odd) {
  background: rgba(248, 250, 252, 0.8);
}

.about-tab-nav__drawer-item:nth-child(even) {
  background: rgba(255, 255, 255, 0.8);
}

.about-tab-nav__drawer-item.is-active {
  background: rgba(241, 90, 36, 0.06);
}

.about-tab-nav__drawer-item:last-child {
  border-bottom: none;
}

.about-tab-nav__drawer-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  letter-spacing: 0.02em;
}

.about-tab-nav__drawer-item.is-active .about-tab-nav__drawer-left {
  color: #f15a24;
}

.about-tab-nav__drawer-dot {
  width: 3px;
  height: 20px;
  border-radius: 9999px;
  flex-shrink: 0;
  background: rgba(100, 116, 139, 0.2);
  transition: background 0.2s;
}

.about-tab-nav__drawer-item.is-active .about-tab-nav__drawer-dot {
  background: linear-gradient(180deg, #f15a24, #fb923c);
}

/* ─── Section common ─── */
.about-section {
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
  scroll-margin-top: calc(var(--gw-header-h, 5rem) + var(--gw-tab-nav-h, 3.25rem) + 0.5rem);
}

.about-section--white {
  background: #fff;
}

.about-section--muted {
  background: #f8fafc;
}

.about-section--compact {
  padding: 4rem 0;
}

.about-section__bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.about-section__bg-grid--60 { opacity: 0.6; }
.about-section__bg-grid--70 { opacity: 0.7; }
.about-section__bg-grid--40 { opacity: 0.4; }

.about-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.about-section__inner {
  position: relative;
  z-index: 10;
}

.section-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.section-title-bar {
  width: 4px;
  height: 32px;
  border-radius: 9999px;
  background: linear-gradient(180deg, #2563eb 0%, #7c3aed 100%);
}

.section-title {
  font-weight: 700;
  font-size: 28px;
  color: #0f172a;
}

.section-title--center {
  text-align: center;
}

.section-title-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.section-title-line {
  height: 1px;
  width: 4rem;
}

.section-subtitle-en {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: #94a3b8;
}

.section-subtitle-en--center {
  text-align: center;
  letter-spacing: 0.15em;
}

.section-header-center {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header-center--sm {
  margin-bottom: 2rem;
}

/* ─── Intro ─── */
.intro-layout {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .intro-layout {
    flex-direction: row;
  }
}

.intro-text {
  width: 100%;
}

@media (min-width: 768px) {
  .intro-text {
    width: 60%;
    flex-shrink: 0;
  }
}

.intro-body {
  font-size: 15px;
  color: #374151;
  line-height: 1.9;
  margin-bottom: 1.25rem;
}

.intro-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.intro-tag {
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.intro-cards {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .intro-cards {
    flex: 1;
    min-width: 0;
  }
}

.intro-stat-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: 1rem;
  background: #f8fafc;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
  transition: transform 0.3s;
}

.intro-stat-card:hover {
  transform: translateY(-2px);
}

.intro-stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}

.intro-stat-value {
  font-weight: 700;
  font-size: 22px;
}

.intro-stat-label {
  font-size: 0.875rem;
  color: #6b7280;
  margin-top: 2px;
}

.intro-stat-dot {
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  opacity: 0.5;
}

/* ─── Philosophy ─── */
.philosophy-grid {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .philosophy-grid {
    flex-direction: row;
  }
}

.philosophy-card {
  flex: 1;
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
  transition: box-shadow 0.3s;
}

.philosophy-card:hover {
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.philosophy-card__glow {
  position: absolute;
  top: -3rem;
  right: -3rem;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0;
  transition: opacity 0.5s;
}

.philosophy-card:hover .philosophy-card__glow {
  opacity: 1;
}

.philosophy-card__watermark {
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  font-size: 80px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.05;
  letter-spacing: -3px;
}

.philosophy-card__en {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  opacity: 0.8;
  margin-bottom: 1.25rem;
}

.philosophy-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 1.25rem;
  transition: transform 0.3s;
}

.philosophy-card:hover .philosophy-card__icon {
  transform: scale(1.05);
}

.philosophy-card__title {
  font-weight: 700;
  font-size: 20px;
  color: #0f172a;
  margin-bottom: 1rem;
}

.philosophy-card__line {
  width: 40px;
  height: 3px;
  border-radius: 9999px;
  margin-bottom: 1.25rem;
}

.philosophy-card__desc {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.85;
}

.philosophy-card__dots {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  display: flex;
  gap: 0.375rem;
}

.philosophy-card__dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

/* ─── History ─── */
.history-layout {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .history-layout {
    flex-direction: row;
    gap: 2.5rem;
  }
}

.history-timeline {
  width: 100%;
  min-width: 0;
}

@media (min-width: 768px) {
  .history-timeline {
    flex: 0 0 60%;
  }
}

.history-timeline__axis {
  position: relative;
}

.history-timeline__line {
  position: absolute;
  left: 28px;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: 4px;
  background: linear-gradient(180deg, #f15a24 0%, #7c3aed 30%, #0ea5e9 50%, #16a34a 70%, #db2777 85%, #7c3aed 100%);
}

.history-item {
  position: relative;
  display: flex;
  gap: 1rem;
  cursor: pointer;
  padding-bottom: 12px;
}

.history-item:last-child {
  padding-bottom: 0;
}

.history-item__node-wrap {
  position: relative;
  flex-shrink: 0;
  width: 58px;
}

.history-item__node {
  position: relative;
  z-index: 10;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 3px solid var(--item-color);
  transition: all 0.35s ease;
}

.history-item.is-active .history-item__node {
  background: linear-gradient(135deg, var(--grad-from), var(--grad-to));
  box-shadow: 0 4px 16px color-mix(in srgb, var(--item-color) 50%, transparent);
}

.history-item__node svg {
  color: var(--item-color);
  transition: color 0.35s;
}

.history-item.is-active .history-item__node svg {
  color: #fff;
}

.history-item__card {
  flex: 1;
  padding: 1rem;
  border-radius: 0.75rem;
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  transition: all 0.35s ease;
}

.history-item.is-active .history-item__card {
  background: linear-gradient(135deg, color-mix(in srgb, var(--grad-from) 12%, transparent), color-mix(in srgb, var(--grad-to) 18%, transparent));
  border-color: color-mix(in srgb, var(--item-color) 55%, transparent);
  transform: translateX(4px);
}

.history-item__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.history-item__year {
  font-weight: 700;
  font-size: 20px;
  color: var(--item-color);
  line-height: 1;
}

.history-item__sep {
  width: 1px;
  height: 18px;
  background: color-mix(in srgb, var(--item-color) 40%, transparent);
}

.history-item__title {
  font-weight: 600;
  font-size: 14px;
  color: #0f172a;
  transition: color 0.3s;
}

.history-item.is-active .history-item__title {
  color: var(--item-color);
}

.history-item__tag {
  margin-left: auto;
  font-size: 10px;
  font-weight: 500;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  white-space: nowrap;
  color: var(--item-color);
  background: color-mix(in srgb, var(--item-color) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--item-color) 30%, transparent);
}

.history-item__bar {
  height: 2px;
  border-radius: 2px;
  margin-bottom: 0.5rem;
  width: 32px;
  background: linear-gradient(90deg, var(--item-color), transparent);
  transition: width 0.4s ease;
}

.history-item.is-active .history-item__bar {
  width: 100%;
}

.history-item__desc {
  font-size: 12px;
  color: #64748b;
  line-height: 1.75;
}

.history-panel {
  width: 100%;
  min-width: 0;
}

@media (min-width: 768px) {
  .history-panel {
    flex: 1 1 0;
    position: sticky;
    top: 32px;
  }
}

.history-panel__header {
  display: none;
}

.history-stage {
  --hist-header-bg: linear-gradient(
    135deg,
    color-mix(in srgb, var(--grad-from) 82%, #1a1a1a),
    color-mix(in srgb, var(--grad-to) 82%, #1a1a1a)
  );
  border-radius: 14px;
  overflow: hidden;
  border: 2px solid color-mix(in srgb, var(--item-color) 20%, transparent);
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.history-images__layer.is-active .history-stage {
  border-color: color-mix(in srgb, var(--item-color) 40%, transparent);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--item-color) 12%, transparent);
}

.history-stage__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--hist-header-bg);
  color: #fff;
}

.history-stage__year {
  font-weight: 700;
  font-size: 44px;
  line-height: 1;
  color: #fff;
  flex-shrink: 0;
}

.history-stage__title {
  font-weight: 700;
  font-size: 16px;
  color: #fff;
}

.history-stage__tag {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.history-panel__year {
  font-weight: 700;
  font-size: 44px;
  line-height: 1;
  transition: color 0.35s;
}

.history-panel__title {
  font-weight: 700;
  font-size: 16px;
  color: #0f172a;
}

.history-panel__tag {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
}

.history-images {
  position: relative;
}

.history-images__spacer {
  visibility: hidden;
  pointer-events: none;
}

.history-images__layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.history-images__layer.is-active {
  opacity: 1;
  pointer-events: auto;
}

.history-images__stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--grad-from) 10%, #fff) 0%,
    #fff 100%
  );
}

.history-image-card {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
  aspect-ratio: 16 / 9;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--grad-from) 14%, transparent) 0%,
    color-mix(in srgb, var(--grad-to) 22%, transparent) 100%
  );
  transition: transform 0.4s ease;
}

.history-images__layer.is-active .history-image-card {
  transform: scale(1.01);
}

.history-image-card__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.history-image-card__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.history-image-card__head {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--grad-from) 82%, #1a1a1a),
    color-mix(in srgb, var(--grad-to) 82%, #1a1a1a)
  );
}

.history-image-card__emoji {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.history-image-card__meta {
  min-width: 0;
}

.history-image-card__label {
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  text-align: left;
  line-height: 1.3;
}

.history-image-card__desc {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.75);
  text-align: left;
  margin-top: 2px;
  line-height: 1.3;
}

.history-image-card__highlight {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  pointer-events: none;
  transition: box-shadow 0.4s ease;
}

.history-nav-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.history-nav-dot {
  height: 8px;
  border-radius: 9999px;
  border: none;
  padding: 0;
  cursor: pointer;
  width: 8px;
  background: #e2e8f0;
  transition: all 0.35s ease;
}

.history-nav-dot.is-active {
  width: 28px;
}

.history-nav-progress {
  text-align: center;
  margin-top: 0.5rem;
  font-size: 11px;
  color: #94a3b8;
}

/* ─── Honor ─── */
.honor-top-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.2), rgba(124, 58, 237, 0.2), transparent);
}

.honor-block-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1rem;
}

.honor-block-icon {
  width: 32px;
  height: 32px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fef9c3;
}

.honor-block-icon--purple {
  color: #fff;
}

.honor-block-name {
  font-weight: 700;
  font-size: 15px;
  color: #0f172a;
}

.honor-block-count {
  font-size: 11px;
  color: #94a3b8;
}

.honor-block-line {
  flex: 1;
  height: 1px;
}

.honor-hightech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.honor-hightech-item {
  flex: 1;
  min-width: 140px;
}

.honor-cert-label {
  margin-top: 0.375rem;
  text-align: center;
}

.honor-cert-label__title {
  font-weight: 600;
  font-size: 11px;
  color: #1e293b;
  line-height: 1.3;
}

.honor-cert-label__year {
  font-size: 10px;
  color: #94a3b8;
  margin-top: 1px;
}

.honor-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(15, 23, 42, 0.08), transparent);
  margin: 1.75rem 0;
}

.honor-soft-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1rem;
}

.honor-scroll-btns {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
}

.honor-scroll-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(15, 23, 42, 0.04);
  color: #94a3b8;
  transition: all 0.2s;
}

.honor-scroll-btn:not(:disabled) {
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  border-color: transparent;
  color: #fff;
  cursor: pointer;
}

.honor-scroll-btn:disabled {
  cursor: not-allowed;
}

.honor-soft-scroll {
  display: flex;
  overflow-x: auto;
  gap: 10px;
  padding-bottom: 0.75rem;
  scrollbar-width: none;
}

.honor-soft-scroll::-webkit-scrollbar {
  display: none;
}

.honor-soft-item {
  flex-shrink: 0;
  width: 86px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.honor-soft-item__title {
  margin-top: 0.375rem;
  font-size: 10px;
  font-weight: 500;
  color: #334155;
  text-align: center;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.honor-progress {
  margin-top: 0.25rem;
  height: 2px;
  border-radius: 9999px;
  overflow: hidden;
  background: rgba(124, 58, 237, 0.1);
}

.honor-progress__bar {
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(90deg, #7c3aed, #a855f7);
  transition: width 0.3s;
}

.honor-stats {
  margin-top: 2rem;
  padding: 1.25rem 2rem;
  border-radius: 0.75rem;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.07);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-around;
  gap: 1rem;
}

.honor-stat {
  text-align: center;
}

.honor-stat__value {
  font-weight: 700;
  font-size: 28px;
  margin-bottom: 2px;
}

.honor-stat__label {
  font-size: 12px;
  color: #94a3b8;
}

/* cert cards */
.cert-hightech {
  position: relative;
  width: 100%;
  height: 148px;
  border-radius: 0.5rem;
  overflow: hidden;
  text-align: left;
  background: #fdfcf8;
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.07), inset 0 0 0 1px rgba(255, 255, 255, 0.8);
}

.cert-hightech--image {
  padding: 0;
  background: #fff;
  cursor: default;
}

.cert-hightech--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #fff;
}

.cert-hightech--placeholder .cert-hightech__top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #b91c1c, #dc2626, #b91c1c);
}

.cert-hightech--placeholder {
  background: #f8fafc;
}

.cert-hightech__texture {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(15, 23, 42, 0.015) 20px, rgba(15, 23, 42, 0.015) 21px);
}

.cert-hightech__top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #b91c1c, #dc2626, #b91c1c);
}

.cert-hightech__body {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 0.75rem 0.25rem;
  gap: 0.25rem;
}

.cert-hightech__emblem {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, #dc2626 0%, #991b1b 100%);
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.3);
  color: #fef9c3;
}

.cert-hightech__name {
  font-weight: 700;
  font-size: 9.5px;
  color: #1e293b;
  text-align: center;
  letter-spacing: 0.04em;
}

.cert-hightech__sub {
  font-weight: 600;
  font-size: 8.5px;
  color: #475569;
  text-align: center;
}

.cert-hightech__year {
  font-size: 7px;
  color: #dc2626;
  border: 1px solid rgba(220, 38, 38, 0.25);
  background: rgba(220, 38, 38, 0.04);
  padding: 1px 6px;
  border-radius: 4px;
}

.cert-hightech__seal {
  position: absolute;
  bottom: 6px;
  right: 6px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.45;
}

.cert-hightech__seal-inner {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  opacity: 0.7;
}

.cert-hightech__seal-text {
  font-size: 5px;
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
}

.cert-hightech__hover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.32);
  opacity: 0;
  transition: opacity 0.2s;
}

.cert-hightech:hover .cert-hightech__hover {
  opacity: 1;
}

.cert-hightech__hover span {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.95);
  font-size: 10px;
  color: #1e293b;
  font-weight: 600;
}

.cert-software {
  position: relative;
  width: 86px;
  height: 122px;
  border-radius: 0.5rem;
  overflow: hidden;
  background: #fdfcf8;
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06), inset 0 0 0 1px rgba(255, 255, 255, 0.8);
}

.cert-software--image {
  padding: 0;
  background: #fff;
}

.cert-software--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cert-software--placeholder {
  background: #f8fafc;
}

.cert-software--placeholder .cert-software__top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #7c3aed, #a855f7, #7c3aed);
}

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

.cert-software__texture {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 14px, rgba(15, 23, 42, 0.018) 14px, rgba(15, 23, 42, 0.018) 15px);
}

.cert-software__top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #7c3aed, #a855f7, #7c3aed);
}

.cert-software__body {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 0.5rem 0.5rem;
}

.cert-software__icon {
  width: 22px;
  height: 22px;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  box-shadow: 0 2px 5px rgba(124, 58, 237, 0.3);
  color: #fff;
  margin-bottom: 0.375rem;
}

.cert-software__type {
  font-weight: 700;
  font-size: 7.5px;
  color: #1e293b;
  letter-spacing: 0.03em;
  margin-bottom: 0.25rem;
}

.cert-software__line {
  width: 28px;
  height: 1px;
  background: rgba(124, 58, 237, 0.3);
  margin-bottom: 0.375rem;
}

.cert-software__title {
  font-weight: 600;
  font-size: 7px;
  color: #475569;
  text-align: center;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.cert-software__reg {
  font-size: 6px;
  color: #94a3b8;
  margin-top: auto;
}

.cert-software__seal {
  position: absolute;
  bottom: 5px;
  right: 5px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(124, 58, 237, 0.5);
  opacity: 0.5;
}

.cert-software__seal-inner {
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid rgba(124, 58, 237, 0.5);
}

.cert-software__seal-text {
  font-size: 4.5px;
  color: #7c3aed;
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
}

.cert-software__hover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.38);
  opacity: 0;
  transition: opacity 0.2s;
}

.cert-software:hover .cert-software__hover {
  opacity: 1;
}

.cert-software__hover span {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.95);
  font-size: 9px;
  color: #1e293b;
  font-weight: 600;
}

/* lightbox */
.cert-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.cert-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.cert-lightbox__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 90vh;
  transform: scale(0.92);
  transition: transform 0.3s;
}

.cert-lightbox.is-open .cert-lightbox__inner {
  transform: scale(1);
}

.cert-lightbox__inner--wide {
  width: 580px;
}

.cert-lightbox__inner--tall {
  width: 380px;
}

.cert-lightbox__close {
  position: absolute;
  top: -44px;
  right: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 13px;
}

.cert-lightbox__cert {
  width: 100%;
  border-radius: 1rem;
  overflow: hidden;
  background: #fdfcf8;
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.5);
  position: relative;
}

.cert-lightbox__cert--wide {
  aspect-ratio: 1.414 / 1;
}

.cert-lightbox__cert--tall {
  aspect-ratio: 0.707 / 1;
}

.cert-lightbox__nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1rem;
}

.cert-lightbox__nav-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 13px;
}

.cert-lightbox__nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.cert-lightbox__counter {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ─── Advantage ─── */
.advantage-top-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.2), rgba(37, 99, 235, 0.2), transparent);
}

.advantage-mobile {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .advantage-mobile {
    display: none;
  }
}

.advantage-desktop {
  display: none;
}

@media (min-width: 768px) {
  .advantage-desktop {
    display: block;
  }
}

.advantage-tabs {
  display: flex;
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 2rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #f8fafc;
}

.advantage-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  position: relative;
  background: transparent;
  border-bottom: 3px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}

.advantage-tab.is-active {
  background: #fff;
  border-bottom-color: var(--tab-color);
}

.advantage-tab__topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity 0.3s;
}

.advantage-tab.is-active .advantage-tab__topbar {
  opacity: 1;
}

.advantage-tab__icon {
  width: 38px;
  height: 38px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0.45;
  transition: opacity 0.3s, box-shadow 0.3s;
}

.advantage-tab.is-active .advantage-tab__icon {
  opacity: 1;
}

.advantage-tab__title {
  font-weight: 700;
  font-size: 15px;
  color: #6b7280;
  line-height: 1.3;
  text-align: left;
}

.advantage-tab.is-active .advantage-tab__title {
  color: #0f172a;
}

.advantage-tab__badge {
  display: inline-block;
  margin-top: 2px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
  color: #94a3b8;
  border: 1px solid transparent;
}

.advantage-tab.is-active .advantage-tab__badge {
  border-color: color-mix(in srgb, var(--tab-color) 28%, transparent);
  background: color-mix(in srgb, var(--tab-color) 12%, transparent);
  color: var(--tab-color);
}

.advantage-panels {
  position: relative;
  min-height: 280px;
}

.advantage-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.4s;
}

.advantage-panel.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.advantage-card {
  border-radius: 1rem;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}

.advantage-card__bar {
  height: 2px;
  width: 100%;
}

.advantage-card__head {
  padding: 2rem 2rem 1rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.advantage-card__icon {
  width: 60px;
  height: 60px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.advantage-card__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 6px;
}

.advantage-card__watermark {
  margin-left: auto;
  align-self: flex-end;
  font-size: 80px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.06;
}

.advantage-card__subs {
  padding: 0 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .advantage-card__subs {
    flex-direction: row;
  }
}

.advantage-sub {
  flex: 1;
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 0.75rem;
}

.advantage-sub__icon {
  width: 40px;
  height: 40px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.advantage-sub__label {
  font-weight: 600;
  font-size: 14px;
  color: #1e293b;
  margin-bottom: 0.375rem;
}

.advantage-sub__desc {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.75;
}

.advantage-mobile-card {
  border-radius: 1rem;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}

.advantage-mobile-card__head {
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
}

.advantage-mobile-card__subs {
  padding: 0 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.advantage-mobile-card__wm {
  padding: 0 1.5rem 1.25rem;
}

.advantage-mobile-card__wm span {
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.06;
}

/* ─── Contact ─── */
.contact-top-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(22, 163, 74, 0.2), rgba(37, 99, 235, 0.2), transparent);
}

.contact-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: stretch;
}

@media (min-width: 768px) {
  .contact-layout {
    flex-direction: row;
  }
}

.contact-cards {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .contact-cards {
    width: 50%;
  }
}

.contact-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
  transition: transform 0.3s;
}

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

.contact-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: transform 0.3s;
}

.contact-card:hover .contact-card__icon {
  transform: scale(1.08);
}

.contact-card__label {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.contact-card__value {
  font-weight: 600;
  font-size: 15px;
  color: #0f172a;
  word-break: break-all;
}

.contact-card__sub {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 2px;
}

.contact-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.75rem;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.2s;
}

.contact-card__link:hover {
  opacity: 0.8;
}

.contact-map {
  width: 100%;
  min-height: 360px;
  border-radius: 1rem;
  overflow: hidden;
  position: relative;
  background: #fff;
  border: 1px solid rgba(37, 99, 235, 0.12);
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}

@media (min-width: 768px) {
  .contact-map {
    width: 50%;
  }
}

.contact-map__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.18;
}

.contact-map__center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.contact-map__pin {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 1rem;
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.25);
}

.contact-map__title {
  font-weight: 700;
  font-size: 18px;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.contact-map__addr {
  text-align: center;
  font-size: 13px;
  color: #6b7280;
  max-width: 260px;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.contact-map__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 14px;
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
  transition: opacity 0.3s;
}

.contact-map__btn:hover {
  opacity: 0.9;
}

.contact-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(37, 99, 235, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .contact-footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.contact-footer__name {
  font-weight: 700;
  font-size: 16px;
  color: #0f172a;
}

.contact-footer__en {
  margin-top: 0.25rem;
  font-size: 13px;
  opacity: 0.8;
}

.contact-footer__copy {
  font-size: 13px;
  color: #94a3b8;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}