/*
  Aetheris Technologies Ltd — Main Stylesheet
  Style aesthetic: clean, modern, high-contrast; inspired by contemporary fintech landing pages
*/

/* CSS Variables */
:root {
  --bg: #ffffff;
  --text: #0b0f19;
  --muted: #5b6475;
  --surface: #f5f7fb;
  --surface-2: #eef2f7;
  --border: #e6e8ee;
  --primary: #2563eb; /* blue-600 */
  --primary-700: #1d4ed8;
  --accent: #7c3aed; /* violet-600 */
  --success: #16a34a;
  --danger: #dc2626;
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 20px 40px rgba(16, 24, 40, 0.12);
}

/* Base */
* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

.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;
}

.skip-link {
  position: absolute;
  left: 0;
  top: -40px;
  background: #000;
  color: #fff;
  padding: 8px 12px;
  z-index: 1000;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 0;
}

.no-scroll {
  overflow: hidden;
}

/* Layout */
.container {
  width: 100%;
  max-width: 2200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 88px 0;
}

.section-head {
  padding: 40px 0;
  padding-bottom: 20px;
}

.section-head h2 {
  margin: 0 0 8px;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  background: #ffffff;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.logo-image {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-size: 18px;
  letter-spacing: 0.2px;
  color: #000;
}

.site-nav {
  position: relative;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  padding: 8px;
}

.nav-toggle .bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform .25s ease, opacity .25s ease;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-list a {
  display: inline-block;
  padding: 8px 10px;
  color: var(--muted);
}

.nav-list a:hover {
  color: var(--text);
}

/* Active link */
.nav-list a.active {
  color: var(--text);
  position: relative;
}
.nav-list a.active::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
}

/* Background Video */
.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

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

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: -1;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  min-height: 100vh;
  padding: 0 0 80px 0;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero .subtitle {
  margin: 0 0 18px;
  color: #e0e0e0;
  font-size: 16px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

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

/* Typed cursor - removed */

/* Hero parallax orbs */
.hero { overflow: hidden; }
.hero-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-copy { 
  position: relative; 
  z-index: 1; 
  max-width: 500px;
  width: 100%;
}
.orb {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 999px;
  filter: blur(18px) saturate(120%);
  opacity: 0.5;
}
.orb-a { left: -60px; top: -60px; background: radial-gradient(closest-side, rgba(124,58,237,.35), rgba(124,58,237,0)); }
.orb-b { right: -80px; top: 20%; background: radial-gradient(closest-side, rgba(37,99,235,.35), rgba(37,99,235,0)); }
.orb-c { left: 60%; bottom: -80px; background: radial-gradient(closest-side, rgba(16,185,129,.35), rgba(16,185,129,0)); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform .06s ease, box-shadow .2s ease, background .2s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  filter: brightness(1.02);
}

.btn-ghost {
  color: var(--text);
  background: #fff;
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--surface);
}

/* Features / Cards */
.feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.feature-list li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
}

.feature-list h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.feature-list p {
  margin: 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

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

.card p {
  margin: 0;
  color: var(--muted);
}

/* Reveal on scroll - Enhanced animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Staggered animation delays */
[data-reveal="1"] { transition-delay: 0ms; }
[data-reveal="2"] { transition-delay: 100ms; }
[data-reveal="3"] { transition-delay: 200ms; }
[data-reveal="4"] { transition-delay: 300ms; }
[data-reveal="5"] { transition-delay: 400ms; }
[data-reveal="6"] { transition-delay: 500ms; }
[data-reveal="7"] { transition-delay: 600ms; }
[data-reveal="8"] { transition-delay: 700ms; }

/* Different animation styles */
[data-reveal="fade-up"] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 900ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 900ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-reveal="fade-up"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="fade-left"] {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-reveal="fade-left"].is-visible {
  opacity: 1;
  transform: translateX(0);
}

[data-reveal="fade-right"] {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-reveal="fade-right"].is-visible {
  opacity: 1;
  transform: translateX(0);
}

[data-reveal="scale-up"] {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-reveal="scale-up"].is-visible {
  opacity: 1;
  transform: scale(1);
}

[data-reveal="slide-up"] {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 1000ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 1000ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-reveal="slide-up"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Special animation for cards */
.testimonial-card[data-reveal] {
  opacity: 0;
  transform: translateY(50px) scale(0.95);
  transition: opacity 900ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 900ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Animation for carousel cards */
.carousel-card[data-reveal] {
  opacity: 0;
  transform: translateY(30px) rotateX(10deg);
  transition: opacity 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-card[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0) rotateX(0deg);
}

/* Animation for feature cards */
.w-420[data-reveal] {
  opacity: 0;
  transform: translateY(40px) scale(0.9);
  transition: opacity 900ms cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 900ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.w-420[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.value-item {
  background: #2d2d2d;
  border: 1px solid #404040;
  border-radius: 12px;
  padding: 18px;
}

.value-item h3 {
  margin: 0 0 8px;
}

.value-item h4 {
  margin: 12px 0 6px;
  font-size: 14px;
  color: var(--muted);
}

.value-item ul {
  margin: 0 0 4px 18px;
}

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.service-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.service-item h3 {
  margin: 0 0 8px;
}

/* Info / Compliance */
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.info-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

/* Education */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.edu-item {
  background: #2d2d2d;
  border: 1px solid #404040;
  border-radius: 12px;
  padding: 18px;
}

/* News */
.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.news-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

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

.contact-list li + li {
  margin-top: 6px;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  /* background: #fff; */
  /* border: 1px solid var(--border); */
  border-radius: var(--radius);
  padding: 16px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
}

.contact-form textarea {
  height: auto;
}

.form-note {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.form-message {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.form-message.success {
  background: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}

.form-message.error {
  background: #fef2f2;
  color: #7f1d1d;
  border-color: #fecaca;
}

/* Footer */
.site-footer {
  background: #000;
  color: #fff;
  padding: 60px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* Left Section: Logo & Company Info */
.footer-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: transparent;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.company-name {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.copyright {
  font-size: 14px;
  color: #888;
  margin: 0;
}

.footer-left .social-icons {
  display: flex;
  gap: 12px;
}

.footer-left .social-icon {
  width: 36px;
  height: 36px;
  background: #333;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all 0.2s ease;
}

.footer-left .social-icon:hover {
  background: #555;
  transform: translateY(-2px);
}

/* Right Section: Navigation Links + Contact Email */
.footer-right {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* Middle Section: Navigation Links */
.footer-nav {
  display: flex;
  flex-direction: row;
  gap: 24px;
}

.nav-column {
  display: flex;
  flex-direction: row;
  gap: 24px;
}

.nav-column a {
  color: #fff;
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-column a:hover {
  color: #ccc;
}

.footer-divider {
  height: 1px;
  background: #333;
  width: 100%;
}

.contact-email {
  font-size: 14px;
  color: #888;
  margin: 0;
}

/* Footer Responsive Design */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .footer-inner {
    gap: 30px;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
  
  .nav-column {
    flex-direction: column;
    gap: 12px;
  }
  
  .footer-logo {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 999;
}
.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: left center;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--accent), var(--primary));
}

/* Performance Metrics Section */
.metrics-section {
  background: #2a2a2a;
  padding: 40px 0;
  overflow: hidden;
}

.metrics-container {
  width: 100%;
  position: relative;
}

.metrics-scroll {
  overflow: hidden;
  width: 100%;
}

.metrics-track {
  display: flex;
  animation: scroll-left 20s linear infinite;
  gap: 60px;
  padding: 0 30px;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 150px;
  flex-shrink: 0;
}

.metric-value {
  font-size: 36px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 14px;
  color: #a0a0a0;
  text-align: center;
  font-weight: 400;
  line-height: 1.2;
}

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .metrics-section {
    padding: 30px 0;
  }
  
  .metrics-track {
    gap: 40px;
    padding: 0 20px;
  }
  
  .metric-item {
    min-width: 120px;
  }
  
  .metric-value {
    font-size: 28px;
  }
  
  .metric-label {
    font-size: 12px;
  }
}

/* Services Carousel Section */
.services-carousel {
  background: #000;
  padding: 80px 0;
  color: #fff;
}

.carousel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 60px;
}

.carousel-title {
  font-size: 48px;
  font-weight: 300;
  line-height: 1.2;
  margin: 0;
}

.title-light {
  color: #888;
  font-weight: 300;
}

.title-bold {
  color: #fff;
  font-weight: 700;
}

.carousel-nav {
  display: flex;
  gap: 12px;
}

.nav-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: #333;
}

.nav-btn:hover {
  background: #f0f0f0;
  transform: scale(1.05);
}

.nav-btn:active {
  transform: scale(0.95);
}

.carousel-container {
  overflow: hidden;
  border-radius: 16px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
  gap: 0;
}

.carousel-card {
  min-width: 100%;
  display: flex;
  background: #1a1a1a;
  border-radius: 16px;
  overflow: hidden;
  opacity: 0.7;
  transform: scale(0.95);
  transition: all 0.5s ease-in-out;
}

.carousel-card.active {
  opacity: 1;
  transform: scale(1);
}

.card-image {
  flex: 0.8;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 80%;
  height: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.carousel-card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  flex: 1;
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-title {
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 24px 0;
  line-height: 1.1;
}

.card-description {
  font-size: 18px;
  line-height: 1.6;
  color: #ccc;
  margin: 0;
  max-width: 500px;
}

/* Responsive adjustments for carousel */
@media (max-width: 1024px) {
  .carousel-title {
    font-size: 36px;
  }
  
  .card-content {
    padding: 40px;
  }
  
  .card-title {
    font-size: 36px;
  }
  
  .card-description {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .services-carousel {
    padding: 60px 0;
  }
  
  .carousel-header {
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
  }
  
  .carousel-title {
    font-size: 28px;
  }
  
  .carousel-card {
    flex-direction: column;
  }
  
  .card-image {
    height: 300px;
  }
  
  .card-content {
    padding: 30px;
  }
  
  .card-title {
    font-size: 28px;
  }
  
  .card-description {
    font-size: 14px;
  }
}

/* Features Section Styles for Existing HTML */
.bg {
  background: #000 url('../static/04-3ac848f6.png') center/cover no-repeat;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 
    rgba(59, 130, 246, 0.05) 0%, 
    rgba(147, 51, 234, 0.05) 25%, 
    rgba(236, 72, 153, 0.05) 50%, 
    rgba(251, 146, 60, 0.05) 75%, 
    rgba(59, 130, 246, 0.05) 100%);
  background-size: 400% 400%;
  animation: gradientShift 8s ease-in-out infinite;
  z-index: 0;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.py-110 {
  padding: 110px 0;
  position: relative;
  z-index: 1;
}

.title {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 20px 0;
  line-height: 1.2;
}

.article {
  font-size: 14px;
  line-height: 1.6;
  color: #ccc;
}

.mt-80 {
  margin-top: 80px;
}

/* Ensure layout works */
.flex-col.flex.mt-80.line.relative {
  position: relative;
  overflow: hidden;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.gap-y-20 {
  gap: 20px 0;
}

.gap-y-10 {
  gap: 10px 0;
}

.gap-x-80 {
  gap: 0 80px;
}

.gap-20 {
  gap: 20px;
}

.flex-none {
  flex-shrink: 0;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

/* Ensure cards are visible */
.w-420 {
  width: 420px;
  min-height: 200px;
  background: transparent;
  padding: 32px;
  position: relative;
}

/* Card layout adjustments */
.flex.gap-x-80.pb-40.relative {
  justify-content: flex-start;
  align-items: flex-start;
  gap: 0 80px;
  flex-wrap: nowrap;
  width: calc(5 * 420px + 3 * 80px); /* 4个卡片 + 3个间距 = 2040px */
}

.flex.gap-x-80.pl-0.pr-0.pt-40.relative.ml-15 {
  justify-content: flex-start;
  align-items: flex-start;
  gap: 0 80px;
  flex-wrap: nowrap;
  width: calc(4 * 420px + 2 * 80px); /* 3个卡片 + 2个间距 = 1420px */
}

.pb-40 {
  padding-bottom: 40px;
}

.pt-40 {
  padding-top: 40px;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.w-20 {
  width: 20px;
  height: 20px;
}

.bg-orange {
  background-color: #ffab36;
  border-radius: 50%;
  z-index: 3;
  position: relative;
}

.bottom--50 {
  bottom: -50px;
  transform: translateY(50%);
}

.top--50 {
  top: -50px;
  transform: translateY(-50%);
}

/* Orange dots positioning on timeline */
.bottom--50 {
  position: absolute;
  bottom: 1;
  left: 10%;
  transform: translateX(-50%) translateY(0%);
}

.top--50 {
  position: absolute;
  top: 1;
  left: 10%;
  transform: translateX(-50%) translateY(0%);
}

.rounded-50 {
  border-radius: 50%;
}

.text-white {
  color: #fff;
}

.w-full {
  width: 100%;
}

.border-1 {
  border-width: 1px;
}

.border-solid {
  border-style: solid;
}

.border-white {
  border-color: #fff;
}

.w-80 {
  width: 80px;
  height: 80px;
}

.h-80 {
  height: 80px;
}

.text-28 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.text-left {
  text-align: left;
}

.leading-80 {
  line-height: 80px;
}

.inline-block {
  display: inline-block;
}

/* Center numbers in circles */
.border-1.border-solid.border-white.w-80.h-80.text-28.text-center.leading-80.inline-block.rounded-100 {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  border-radius: 50% !important;
}

/* Ensure text is visible */
.font-700 {
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px 0;
  line-height: 1.3;
}

.opacity-80 {
  opacity: 0.8;
  color: #ccc;
  margin: 0;
  line-height: 1.6;
}

.text-20 {
  font-size: 18px;
}

.text-14 {
  font-size: 13px;
}

.text-12 {
  font-size: 12px;
}

.text-22 {
  font-size: 22px;
}

.leading-50 {
  line-height: 50px;
}

.bottom--10 {
  bottom: -10px;
}

.pl-0 {
  padding-left: 0;
}

.pr-0 {
  padding-right: 0;
}

.pr-20 {
  padding-right: 20px;
}

.px-15 {
  padding-left: 15%;
  padding-right: 15%;
}

.px-4 {
  padding-left: 4%;
  padding-right: 4%;
}

.px-0 {
  padding-left: 0;
  padding-right: 0;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.hidden {
  display: none;
}

.line {
  position: relative;
}

/* 滑轨控制器样式 */
.slider-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  pointer-events: auto;
  z-index: 10;
}

.slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  pointer-events: auto;
  backdrop-filter: blur(10px);
  z-index: 1000;
  position: relative;
}

.slider-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}

.slider-btn:active {
  transform: scale(0.95);
}

.slider-btn-left {
  margin-left: 10px;
}

.slider-btn-right {
  margin-right: 10px;
}

.scrollWarp {
  overflow: hidden;
  width: 2000px;
  display: flex;
  flex-direction: column;
  transition: transform 0.5s ease-in-out;
}

.transition-all {
  transition: all 0.3s ease;
}

.w-50 {
  width: 50px;
}

.h-50 {
  height: 50px;
}

/* Horizontal timeline line */
.line::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: #fff;
  z-index: 1;
  transform: translateY(-50%);
}

/* Staggered Layout Effect */
.ml-15 {
  margin-left: 210px;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .ml-15 {
    margin-left: 150px;
  }
  
  .w-420 {
    width: 350px;
  }
  
  .gap-x-80 {
    gap: 0 60px;
  }
}

@media (max-width: 1024px) {
  .title {
    font-size: 32px;
  }
  
  .article {
    font-size: 15px;
  }
  
  .ml-15 {
    margin-left: 100px;
  }
  
  .w-420 {
    width: 300px;
  }
  
  .gap-x-80 {
    gap: 0 40px;
  }
  
  .w-80 {
    width: 60px;
  }
  
  .h-80 {
    height: 60px;
  }
  
  .text-28 {
    font-size: 20px;
  }
  
  .leading-80 {
    line-height: 60px;
  }
  
  .text-20 {
    font-size: 16px;
  }
  
  .text-14 {
    font-size: 12px;
  }
}

@media (max-width: 768px) {
  .py-110 {
    padding: 80px 0;
  }
  
  .mt-80 {
    margin-top: 60px;
  }
  
  .title {
    font-size: 24px;
  }
  
  .article {
    font-size: 13px;
  }
  
  /* 移动端：隐藏滑轨控制器 */
  .slider-controls {
    display: none !important;
  }
  
  /* 移动端：移除滑轨容器限制 */
  .scrollWarp {
    width: 100% !important;
    overflow: visible !important;
    transform: none !important;
  }
  
  /* 移动端：改为垂直布局 */
  .flex.gap-x-80.pb-40.relative,
  .flex.gap-x-80.pl-0.pr-0.pt-40.relative.ml-15 {
    flex-direction: column !important;
    gap: 30px 0 !important;
    width: 100% !important;
    margin-left: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  
  .ml-15 {
    margin-left: 0 !important;
  }
  
  .w-420 {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 24px !important;
  }
  
  .w-80 {
    width: 50px;
  }
  
  .h-80 {
    height: 50px;
  }
  
  .text-28 {
    font-size: 18px;
  }
  
  .leading-80 {
    line-height: 50px;
  }
  
  .text-20 {
    font-size: 14px;
  }
  
  .text-14 {
    font-size: 11px;
  }
  
  /* 移动端：隐藏橙色圆点 */
  .bottom--50,
  .top--50 {
    display: none;
  }
  
  /* 移动端：隐藏时间线 */
  .line::before {
    display: none;
  }
}

/* Responsive */
@media (min-width: 720px) {
  .hero h1 { 
    font-size: 48px; 
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }
  .hero .subtitle { 
    font-size: 18px; 
    color: #e0e0e0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  }
}

/* Responsive carousel image adjustments */
@media (max-width: 1024px) {
  .card-image {
    flex: 0.6;
  }
  
  .card-image img {
    width: 60%;
  }
  
  .card-content {
    padding: 40px;
  }
  
  .card-title {
    font-size: 36px;
  }
  
  .card-description {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .card-image {
    flex: 0.7;
  }
  
  .card-image img {
    width: 70%;
  }
  
  .card-content {
    padding: 30px;
  }
  
  .card-title {
    font-size: 28px;
  }
  
  .card-description {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .card-image {
    flex: 0.8;
  }
  
  .card-image img {
    width: 80%;
  }
  
  .card-content {
    padding: 20px;
  }
  
  .card-title {
    font-size: 24px;
  }
  
  .card-description {
    font-size: 13px;
  }
}

@media (min-width: 1040px) {
  .card-grid { grid-template-columns: repeat(4, 1fr); }
  .feature-list { grid-template-columns: repeat(4, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .info-grid { grid-template-columns: repeat(3, 1fr); }
  .edu-grid { grid-template-columns: repeat(4, 1fr); }
  .news-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Mobile Navigation */
@media (max-width: 960px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-list {
    position: fixed;
    inset: 64px 0 0 0; /* below header */
    background: #ffffff;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    overflow-y: auto;
  }
  .nav-list.is-open { display: flex; }
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow-md);
  color: var(--text);
  font-weight: 800;
  line-height: 1;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  visibility: hidden;
}
.back-to-top.is-visible {
  opacity: 1;
  transform: none;
  visibility: visible;
}

/* About Page Styles */
.about-page {
  background: #1a1a1a;
  color: #e5e5e5;
}

.about-page .site-header {
  background: #ffffff !important;
  border-bottom: 1px solid var(--border);
}

.about-page .site-header.is-scrolled {
  background: #ffffff !important;
}

.about-main {
  min-height: calc(100vh - 64px);
  display: block;
}

.about-layout {
  display: flex !important;
  min-height: calc(100vh - 64px);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Sidebar */
.about-sidebar {
  background: #2d2d2d;
  border-right: 1px solid #404040;
  padding: 60px 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 280px;
  flex-shrink: 0;
}

.sidebar-nav {
  max-width: 200px;
  width: 100%;
}

.sidebar-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav-list li {
  margin: 0;
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  color: #a0a0a0;
  font-weight: 500;
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
  text-align: left;
}

.sidebar-link:hover {
  color: #e5e5e5;
}

.sidebar-link.active {
  color: #e5e5e5;
  border-bottom-color: #ff6b35;
}

.sidebar-link::after {
  content: "→";
  opacity: 0;
  transition: opacity 0.2s ease;
}

.sidebar-link.active::after {
  opacity: 1;
}

/* Content Area */
.about-content {
  padding: 60px 60px;
  overflow-y: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex: 1;
}

.content-section {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
  width: 100%;
}

.content-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.content-header {
  margin-bottom: 32px;
}

.content-header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  color: #e5e5e5;
  letter-spacing: -0.01em;
}

.content-body {
  line-height: 1.7;
}

.content-body p {
  margin: 0 0 20px;
  color: #b8b8b8;
  font-size: 16px;
}

.content-body p:last-child {
  margin-bottom: 0;
}

/* Mission Grid for About Page */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.mission-item {
  background: #2d2d2d;
  border: 1px solid #404040;
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mission-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.mission-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
}

.mission-icon svg {
  width: 24px;
  height: 24px;
}

.mission-item h2 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 600;
  color: #e5e5e5;
}

.mission-item p {
  margin: 0;
  font-size: 14px;
  color: #b8b8b8;
  line-height: 1.5;
}

/* Values Grid for About Page */
.values-grid-extended {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.value-card {
  background: #2d2d2d;
  border: 1px solid #404040;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.value-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.value-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.value-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: #e5e5e5;
}

.value-card p {
  margin: 0;
  color: #b8b8b8;
  font-size: 13px;
  line-height: 1.4;
}

/* Team Profiles for About Page - Professional Layout */
.team-profiles {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 40px;
}

.team-profile {
  background: #2d2d2d;
  border: 1px solid #404040;
  border-radius: 16px;
  padding: 0;
  display: flex;
  align-items: stretch;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  min-height: 200px;
}

.team-profile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ff6b35, #f7931e);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.team-profile:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
  border-color: #ff6b35;
}

.team-profile:hover::before {
  opacity: 1;
}

.profile-photo {
  flex: 0 0 400px;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
}

.profile-image {
  width: 320px;
  height: 320px;
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
  transition: all 0.3s ease;
}

.team-profile:hover .profile-image {
  transform: scale(1.02);
  box-shadow: 0 0 30px rgba(255, 107, 53, 0.3);
}

.profile-content {
  flex: 1;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.profile-name {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.profile-title {
  margin: 0 0 20px;
  color: #ff6b35;
  font-weight: 600;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.3;
}

.profile-achievements {
  margin: 0;
  padding: 0;
  list-style: none;
}

.profile-achievements li {
  margin: 0 0 12px;
  color: #e5e5e5;
  font-size: 14px;
  line-height: 1.5;
  position: relative;
  padding-left: 20px;
}

.profile-achievements li::before {
  content: '•';
  color: #ff6b35;
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 0;
}

.profile-achievements li:last-child {
  margin-bottom: 0;
}

/* Timeline for About Page */

.investment-guidance {
  background: #000;
  padding: 120px 0;
  position: relative;
}

.guidance-content {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.guidance-title {
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 24px;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.guidance-description {
  font-size: 14px;
  color: #e5e5e5;
  line-height: 1.5;
  margin: 0 0 40px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.chart-container {
  background: #000;
  border-radius: 12px;
  padding: 0;
  margin: 0 auto;
  max-width: 100%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.growth-chart {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
}

/* Responsive adjustments for Investment Guidance */
@media (max-width: 1024px) {
  .investment-guidance {
    padding: 80px 0;
  }
  
  .guidance-title {
    font-size: 28px;
  }
  
  .guidance-description {
    font-size: 13px;
  }
  
  .chart-container {
    padding: 0;
  }
}

@media (max-width: 768px) {
  .investment-guidance {
    padding: 60px 0;
  }
  
  .guidance-title {
    font-size: 24px;
  }
  
  .guidance-description {
    font-size: 12px;
    margin-bottom: 30px;
  }
  
  .chart-container {
    padding: 0;
  }
}

/* Testimonials Section */
.testimonials-section {
  background: #000;
  padding: 120px 0;
  position: relative;
}

.testimonials-content {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.testimonials-title {
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 24px;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.testimonials-subtitle {
  font-size: 14px;
  color: #e5e5e5;
  line-height: 1.6;
  margin: 0 0 60px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.testimonial-card {
  background: #3a3a3a;
  border-radius: 12px;
  padding: 32px;
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}


.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.testimonial-quote {
  font-size: 16px;
  color: #ffffff;
  line-height: 1.6;
  margin: 0 0 24px;
  font-style: italic;
}

.testimonial-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.testimonial-rating {
  display: flex;
  align-items: center;
}

.stars {
  width: 80px;
  height: auto;
}

/* Responsive adjustments for Testimonials */
@media (max-width: 1024px) {
  .testimonials-section {
    padding: 80px 0;
  }
  
  .testimonials-title {
    font-size: 32px;
  }
  
  .testimonials-subtitle {
    font-size: 14px;
  }
  
  .testimonials-grid {
    gap: 24px;
  }
  
  .testimonial-card {
    padding: 24px;
  }
  
  .testimonial-quote {
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .testimonials-section {
    padding: 60px 0;
  }
  
  .testimonials-title {
    font-size: 28px;
  }
  
  .testimonials-subtitle {
    font-size: 13px;
    margin-bottom: 40px;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .testimonial-card {
    padding: 20px;
  }
  
  .testimonial-quote {
    font-size: 13px;
    margin-bottom: 20px;
  }
  
  .author-avatar {
    width: 36px;
    height: 36px;
  }
  
  .author-name {
    font-size: 13px;
  }
  
  .stars {
    width: 70px;
  }
}

.story-timeline {
  position: relative;
  max-width: 100%;
  margin-top: 24px;
}

.story-timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #ff6b35, #f7931e);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
  padding-left: 60px;
}

.timeline-year {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  font-size: 12px;
}

.timeline-content {
  background: #2d2d2d;
  border: 1px solid #404040;
  border-radius: 12px;
  padding: 20px;
}

.timeline-content h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: #e5e5e5;
}

.timeline-content p {
  margin: 0;
  color: #b8b8b8;
  font-size: 14px;
  line-height: 1.5;
}

/* Awards for About Page */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.award-item {
  background: #2d2d2d;
  border: 1px solid #404040;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.award-year {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  font-size: 12px;
}

.award-content h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  color: #e5e5e5;
}

.award-source {
  margin: 0 0 6px;
  color: #ff6b35;
  font-weight: 600;
  font-size: 12px;
}

.award-content p:last-child {
  margin: 0;
  color: #b8b8b8;
  font-size: 13px;
  line-height: 1.4;
}

/* Responsive for About Page */
@media (max-width: 1024px) {
  .about-layout {
    max-width: 1000px;
  }
  
  .about-sidebar {
    padding: 40px 0;
    width: 240px;
  }
  
  .sidebar-nav {
    max-width: 180px;
  }
  
  .about-content {
    padding: 40px 60px;
  }
  
  .content-section {
    max-width: 600px;
  }
  
  .mission-grid {
    grid-template-columns: 1fr;
  }
  
  .values-grid-extended {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-profiles {
    gap: 32px;
  }
  
  .team-profile {
    min-height: 180px;
  }
  
  .profile-photo {
    flex: 0 0 320px;
    padding: 16px;
  }
  
  .profile-image {
    width: 260px;
    height: 260px;
  }
  
  .profile-content {
    padding: 24px;
  }
  
  .profile-name {
    font-size: 24px;
  }
  
  .profile-title {
    font-size: 14px;
  }
  
  .profile-achievements li {
    font-size: 13px;
  }
  
  .values-grid-extended {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .awards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .about-layout {
    flex-direction: column;
    max-width: 100%;
  }
  
  .about-sidebar {
    padding: 20px 0;
    border-right: none;
    border-bottom: 1px solid #404040;
    justify-content: flex-start;
    width: 100%;
  }
  
  .sidebar-nav {
    max-width: 100%;
    padding: 0 20px;
  }
  
  .sidebar-nav-list {
    display: flex;
    overflow-x: auto;
    gap: 20px;
  }
  
  .sidebar-nav-list li {
    flex-shrink: 0;
  }
  
  .sidebar-link {
    padding: 8px 0;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
  }
  
  .sidebar-link.active {
    border-bottom-color: #ff6b35;
  }
  
  .about-content {
    padding: 32px 24px;
  }
  
  .content-section {
    max-width: 100%;
  }
  
  .values-grid-extended {
    grid-template-columns: 1fr;
  }
  
  .team-profiles {
    gap: 24px;
  }
  
  .team-profile {
    flex-direction: column;
    min-height: auto;
  }
  
  .profile-photo {
    flex: none;
    padding: 20px;
    background: #1a1a1a;
  }
  
  .profile-image {
    width: 200px;
    height: 200px;
  }
  
  .profile-content {
    padding: 20px;
  }
  
  .profile-name {
    font-size: 20px;
    text-align: center;
  }
  
  .profile-title {
    font-size: 12px;
    text-align: center;
    margin-bottom: 16px;
  }
  
  .profile-achievements li {
    font-size: 12px;
    margin-bottom: 10px;
  }
  
  .timeline-item {
    padding-left: 50px;
  }
  
  .timeline-year {
    width: 30px;
    height: 30px;
    font-size: 10px;
  }
}

/* Contact Page Styles - Image-based Design */
.contact-page {
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

.contact-page .site-header {
  background: #ffffff !important;
  border-bottom: 1px solid var(--border);
}

.contact-page .site-header.is-scrolled {
  background: #ffffff !important;
}

.contact-main {
  position: relative;
  min-height: 100vh;
}

/* Background Image */
.contact-background {
  position: fixed;
  top: -150px;
  left: 0;
  width: 100%;
  height: 80vh;
  background-image: url('../static/contace_us.avif');
  background-size: 100% auto;
  background-position: center top;
  background-repeat: repeat-x;
  filter: brightness(0.8);
  z-index: -2;
}

.background-overlay {
  position: fixed;
  top: -150px;
  left: 0;
  width: 100%;
  height: 120vh;
  background: rgba(0, 0, 0, 0.3);
  z-index: -1;
}

/* Contact Content Wrapper */
.contact-content-wrapper {
  position: relative;
  z-index: 1;
  padding: 200px 20px 40px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to bottom, transparent 0%, transparent 80vh, #000 80vh, #000 100%);
}

/* Contact Header */
.contact-header {
  text-align: center;
  margin-bottom: 60px;
}

.contact-header h1 {
  font-size: 48px;
  font-weight: 700;
  margin: 0 0 16px;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.contact-subtitle {
  font-size: 18px;
  color: #e0e0e0;
  margin: 0;
  font-weight: 400;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Contact Cards */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1000px;
  width: 100%;
}

.contact-card {
  background: rgba(45, 45, 45, 0.95);
  border-radius: 16px;
  padding: 32px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.contact-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 24px;
  color: #fff;
}

/* Left Card - Media & Office Hours */
.left-card .card-section {
  margin-bottom: 24px;
}

.left-card .card-section:last-child {
  margin-bottom: 0;
}

.card-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 24px 0;
}

/* Social Icons */
.social-icons {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #fff;
  transition: all 0.2s ease;
}

.social-icon:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.social-icon svg {
  width: 20px;
  height: 20px;
}

/* Office Hours */
.office-hours {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hours-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #e0e0e0;
  font-size: 14px;
}

.hours-icon {
  color: #fff;
  flex-shrink: 0;
}

/* Right Card - Contact Form */
.right-card {
  background: rgba(45, 45, 45, 0.95);
}

.contact-form {
  display: grid;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-weight: 500;
  font-size: 16px;
}

.contact-form input,
.contact-form textarea {
  padding: 16px 20px;
  border: none;
  border-radius: 12px;
  background: #2d2d2d;
  color: #fff;
  font-size: 16px;
  font-family: inherit;
  transition: all 0.2s ease;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #888;
  font-size: 16px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  background: #333;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.contact-form .btn {
  margin-top: 12px;
  justify-self: flex-start;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  border: none;
  border-radius: 12px;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
}

.contact-form .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .contact-cards {
    gap: 32px;
  }
  
  .contact-card {
    padding: 28px;
  }
}

@media (max-width: 768px) {
  .contact-header h1 {
    font-size: 36px;
  }
  
  .contact-subtitle {
    font-size: 16px;
  }
  
  .contact-cards {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 500px;
  }
  
  .contact-card {
    padding: 24px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .social-icons {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .contact-content-wrapper {
    padding: 60px 16px 32px;
  }
  
  .contact-header {
    margin-bottom: 40px;
  }
  
  .contact-header h1 {
    font-size: 28px;
  }
  
  .contact-subtitle {
    font-size: 14px;
  }
  
  .contact-card {
    padding: 20px;
  }
  
  .contact-card h3 {
    font-size: 18px;
  }
}