```css
/* ===== CSS Reset & Variables ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #f7f9fc;
  --bg-secondary: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.6);
  --card: #ffffff;
  --primary: #1a1a2e;
  --accent: #e94560;
  --accent-soft: #ffb3c1;
  --text: #222222;
  --muted: #5a5a6e;
  --border: #e0e4ef;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 40px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9fc 100%);
  --gradient-accent: linear-gradient(135deg, #e94560, #ff6b81);
  --glass-blur: blur(12px);
}

/* Dark Mode */
.dark-mode {
  --bg: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-glass: rgba(26, 26, 46, 0.7);
  --card: #1e1e30;
  --primary: #e0e0e8;
  --text: #e8e8f0;
  --muted: #a0a0b8;
  --border: #2a2a40;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --gradient-card: linear-gradient(145deg, #1e1e30, #1a1a2e);
  filter: none;
}

.dark-mode img,
.dark-mode svg {
  filter: brightness(0.85) contrast(1.1);
}

/* ===== Base Styles ===== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

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

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

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

/* ===== Navbar ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: #fff;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: 1280px;
  margin: auto;
  gap: 20px;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.5px;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.85;
}

.logo svg {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition), transform var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--accent-soft);
  transform: translateY(-1px);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition), border-color var(--transition);
}

.nav-search:focus-within {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.25);
}

.nav-search input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  width: 140px;
  padding: 8px 4px;
  font-size: 0.9rem;
  transition: width var(--transition);
}

.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.nav-search input:focus {
  width: 180px;
}

.nav-search button {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  transition: transform var(--transition);
}

.nav-search button:hover {
  transform: scale(1.1);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: transform var(--transition);
}

.menu-toggle:hover {
  transform: scale(1.1);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(26, 26, 46, 0.98);
  backdrop-filter: var(--glass-blur);
  padding: 20px 24px;
  gap: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  animation: slideDown 0.3s ease;
}

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

.mobile-menu a {
  color: #fff;
  font-size: 1.15rem;
  padding: 12px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: color var(--transition), padding-left var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent-soft);
  padding-left: 16px;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* ===== Hero Section ===== */
.hero {
  background: var(--gradient-hero);
  color: #fff;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.hero-text {
  flex: 1 1 350px;
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.2;
  letter-spacing: -1px;
}

.hero-text h1 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-text p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
  max-width: 600px;
  line-height: 1.8;
}

.hero-badge {
  display: inline-block;
  background: var(--gradient-accent);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
  }
  50% {
    box-shadow: 0 4px 24px rgba(233, 69, 96, 0.5);
  }
}

.hero-slider {
  flex: 1 1 350px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: 32px;
  min-height: 220px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.hero-slider::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.2), transparent);
  border-radius: 50%;
}

.slider-item {
  display: none;
  animation: fadeSlide 0.5s ease;
}

.slider-item.active {
  display: block;
}

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

.slider-item h3 {
  color: var(--accent-soft);
  font-size: 1.6rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.slider-item p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.6;
}

.btn {
  display: inline-block;
  background: var(--gradient-accent);
  color: #fff;
  padding: 12px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  margin-top: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233, 69, 96, 0.4);
}

.btn:active {
  transform: translateY(0);
}

/* ===== Sections ===== */
.section {
  padding: 64px 0;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 40px;
  border-left: 6px solid var(--accent);
  padding-left: 20px;
  position: relative;
  transition: color var(--transition);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 20px;
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 4px;
}

/* ===== Cards ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

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

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--primary);
  font-weight: 700;
  transition: color var(--transition);
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
  transition: color var(--transition);
}

.card svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ===== Article List ===== */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--card);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.article-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.article-item .date {
  min-width: 80px;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  padding-top: 4px;
}

.article-item h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--primary);
  transition: color var(--transition);
}

.article-item p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
  line-height: 1.6;
}

.article-item a {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.article-item a:hover {
  color: var(--accent-soft);
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 12px;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.faq-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.faq-item:hover::before {
  opacity: 1;
}

.faq-item.open {
  box-shadow: var(--shadow-md);
}

.faq-q {
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  color: var(--primary);
  transition: color var(--transition);
}

.faq-a {
  display: none;
  padding-top: 16px;
  color: var(--muted);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  margin-top: 12px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-item.open .faq-a {
  display: block;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-icon {
  font-size: 1.8rem;
  color: var(--accent);
  transition: transform var(--transition);
  font-weight: 300;
  line-height: 1;
}

/* ===== Stats ===== */
.stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: space-around;
  background: var(--gradient-hero);
  color: #fff;
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.2), transparent);
  border-radius: 50%;
}

.stats > div {
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-num {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  line-height: 1.2;
}

.stats > div > div:last-child {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8px;
}

/* ===== Footer ===== */
footer {
  background: #0f0f1a;
  color: #aaa;
  padding: 50px 0 20px;
  margin-top: 40px;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(233, 69, 96, 0.5), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 40px;
}

.footer-grid h4 {
  color: #fff;
  margin-bottom: 16px;
  font-size: 1rem;
  font-weight: 600;
}

.footer-grid a {
  color: #bbb;
  text-decoration: none;
  display: block;
  margin: 8px 0;
  font-size: 0.9rem;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-grid a:hover {
  color: #fff;
  padding-left: 6px;
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 30px;
  font-size: 0.85rem;
  color: #888;
}

.copyright p {
  margin: 4px 0;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--gradient-accent);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
  border: none;
  font-size: 1.4rem;
  z-index: 99;
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(233, 69, 96, 0.4);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  background: var(--card);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent-soft);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav-search input {
    width: 80px;
  }

  .nav-search input:focus {
    width: 100px;
  }

  .hero {
    padding: 60px 0 40px;
  }

  .hero-grid {
    gap: 30px;
  }

  .section {
    padding: 48px 0;
  }

  .article-item {
    flex-direction: column;
    gap: 8px;
  }

  .article-item .date {
    min-width: auto;
  }

  .stats {
    gap: 24px;
    padding: 30px 20px;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }

  .nav-inner {
    padding: 12px 16px;
    gap: 12px;
  }

  .logo {
    font-size: 1.2rem;
  }

  .logo svg {
    width: 30px;
    height: 30px;
  }

  .nav-search {
    display: none;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .hero-slider {
    padding: 24px;
    min-height: 180px;
  }

  .section-title {
    font-size: 1.4rem;
    padding-left: 16px;
  }

  .card {
    padding: 24px;
  }

  .grid-3 {
    gap: 20px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }

  .footer-grid {
    gap: 24px;
  }
}

/* ===== Dark Mode Toggle Button (for potential use) ===== */
.dark-mode-toggle {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-soft);
}

/* ===== Selection ===== */
::selection {
  background: var(--accent);
  color: #fff;
}

/* ===== Focus Styles ===== */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
```