:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-card: rgba(30, 30, 50, 0.65);
  --bg-card-hover: rgba(40, 40, 65, 0.8);
  --bg-glass: rgba(26, 26, 46, 0.72);
  --bg-glass-light: rgba(255, 255, 255, 0.06);
  --text-primary: #eaeaea;
  --text-secondary: #b0b0c8;
  --text-muted: #7a7a95;
  --accent-primary: #e94560;
  --accent-secondary: #f5c518;
  --accent-tertiary: #0f3460;
  --accent-gradient: linear-gradient(135deg, #e94560 0%, #f5c518 100%);
  --accent-gradient-2: linear-gradient(135deg, #0f3460 0%, #e94560 100%);
  --accent-gradient-3: linear-gradient(120deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --border-color: rgba(233, 69, 96, 0.2);
  --border-glass: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 24px rgba(233, 69, 96, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --header-height: 68px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

[data-theme="light"] {
  --bg-primary: #f4f5fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eef0f8;
  --bg-card: rgba(255, 255, 255, 0.78);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.82);
  --bg-glass-light: rgba(0, 0, 0, 0.03);
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a68;
  --text-muted: #8888a0;
  --accent-primary: #d63050;
  --accent-secondary: #c99a10;
  --accent-tertiary: #0f3460;
  --border-color: rgba(214, 48, 80, 0.18);
  --border-glass: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 26, 46, 0.1);
  --shadow-lg: 0 16px 48px rgba(26, 26, 46, 0.14);
  --shadow-glow: 0 0 24px rgba(214, 48, 80, 0.15);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(circle at 15% 15%, rgba(233, 69, 96, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 60%, rgba(15, 52, 96, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(245, 197, 24, 0.05) 0%, transparent 40%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

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

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--accent-secondary);
  opacity: 0.9;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--text-primary);
}

h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.2vw, 1.4rem); }

p {
  color: var(--text-secondary);
  margin-bottom: 0.9em;
}

strong {
  color: var(--text-primary);
  font-weight: 700;
}

blockquote {
  position: relative;
  margin: 1.2em 0;
  padding: 1em 1.2em 1em 1.6em;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

blockquote p {
  margin: 0;
  color: var(--text-secondary);
  font-style: italic;
}

time {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4em;
}

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

/* ========== HEADER ========== */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.brand:hover {
  transform: scale(1.04);
  opacity: 1;
}

.brand svg {
  border-radius: 10px;
  box-shadow: var(--shadow-glow);
}

.brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

#main-nav {
  flex: 1;
  min-width: 0;
}

#main-nav ul {
  display: flex;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

#main-nav ul::-webkit-scrollbar {
  display: none;
}

#main-nav a {
  display: block;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
}

#main-nav a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

#main-nav a:hover {
  color: var(--text-primary);
  background: var(--bg-glass-light);
  opacity: 1;
}

#main-nav a:hover::after {
  width: 60%;
}

#site-search {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

#search-input {
  width: 200px;
  padding: 8px 14px;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-glass-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  outline: none;
  transition: width var(--transition-base), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#search-input::placeholder {
  color: var(--text-muted);
}

#search-input:focus {
  width: 240px;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

#site-search button {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

#site-search button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  opacity: 0.95;
}

#site-search button:active {
  transform: translateY(0);
}

#theme-toggle,
#menu-toggle {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

#theme-toggle:hover,
#menu-toggle:hover {
  transform: translateY(-2px) rotate(8deg);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-sm);
}

#menu-toggle {
  display: none;
}

/* ========== BREADCRUMB ========== */
#breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 20px 0;
}

#breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

#breadcrumb li:not(:last-child)::after {
  content: "›";
  margin-left: 6px;
  color: var(--text-muted);
}

#breadcrumb a {
  color: var(--text-secondary);
}

#breadcrumb a:hover {
  color: var(--accent-primary);
}

#breadcrumb [aria-current="page"] {
  color: var(--text-muted);
}

/* ========== MAIN LAYOUT ========== */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

main > section {
  margin-top: 48px;
  padding: 36px 32px;
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

main > section:hover {
  border-color: var(--border-color);
  box-shadow: var(--shadow-lg);
}

main > section > h2 {
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 24px;
}

main > section > h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 4px;
  transition: width var(--transition-slow);
}

main > section:hover > h2::after {
  width: 120px;
}

main > section > h3 {
  margin-top: 24px;
  margin-bottom: 10px;
  color: var(--accent-secondary);
}

main > section ul,
main > section ol {
  margin: 12px 0 16px;
  padding-left: 0;
}

main > section ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

main > section ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--accent-gradient);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(233, 69, 96, 0.4);
}

main > section ol {
  counter-reset: step-counter;
}

main > section ol li {
  position: relative;
  padding-left: 44px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  counter-increment: step-counter;
}

main > section ol li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent-gradient);
  border-radius: 50%;
  box-shadow: var(--shadow-glow);
}

/* ========== HERO ========== */
#hero {
  margin-top: 28px;
  padding: 44px 36px;
  background: var(--accent-gradient-3);
  border: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
}

#hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

#hero::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 197, 24, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.08); }
}

#hero-title {
  position: relative;
  z-index: 2;
  margin-bottom: 16px;
}

.hero-lead {
  position: relative;
  z-index: 2;
  max-width: 780px;
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ========== CAROUSEL ========== */
#banner-carousel {
  position: relative;
  z-index: 2;
  margin: 24px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--bg-secondary);
}

#banner-carousel .slide {
  display: none;
  animation: fadeSlide 0.6s ease forwards;
}

#banner-carousel .slide.active {
  display: block;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

#banner-carousel .slide svg {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

#carousel-prev,
#carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  background: rgba(26, 26, 46, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  cursor: pointer;
  z-index: 5;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

#carousel-prev { left: 14px; }
#carousel-next { right: 14px; }

#carousel-prev:hover,
#carousel-next:hover {
  background: var(--accent-primary);
  transform: translateY(-50%) scale(1.12);
  box-shadow: var(--shadow-glow);
}

/* ========== HERO STATS ========== */
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 28px 0 24px;
}

.hero-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 18px 10px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.hero-stats li:hover {
  transform: translateY(-6px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.hero-stats .num {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.hero-stats span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ========== CTA BUTTONS ========== */
.cta-primary,
.cta-secondary {
  display: inline-block;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  position: relative;
  z-index: 2;
}

.cta-primary {
  color: #fff;
  background: var(--accent-gradient);
  box-shadow: 0 4px 18px rgba(233, 69, 96, 0.35);
}

.cta-primary:hover {
  color: #fff;
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 28px rgba(233, 69, 96, 0.5);
  opacity: 1;
}

.cta-secondary {
  color: var(--text-primary);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  margin-left: 12px;
}

.cta-secondary:hover {
  color: var(--text-primary);
  transform: translateY(-3px) scale(1.03);
  border-color: var(--accent-secondary);
  box-shadow: 0 8px 24px rgba(245, 197, 24, 0.2);
  opacity: 1;
}

/* ========== NEWS LIST ========== */
.news-list {
  display: grid;
  gap: 16px;
}

.news-list li {
  padding: 20px 22px;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.news-list li:hover {
  transform: translateX(8px);
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.news-list h3 {
  margin-bottom: 6px;
}

.news-list h3 a {
  color: var(--text-primary);
}

.news-list h3 a:hover {
  color: var(--accent-primary);
}

.news-list p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

/* ========== ARTICLES ========== */
#articles article {
  padding: 22px 24px;
  margin-bottom: 16px;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

#articles article:hover {
  transform: translateY(-4px) scale(1.008);
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg);
}

#articles article h3 {
  margin-bottom: 6px;
}

#articles article h3 a {
  color: var(--text-primary);
}

#articles article h3 a:hover {
  color: var(--accent-primary);
}

#articles article p {
  font-size: 0.94rem;
}

#articles article > a {
  display: inline-block;
  margin-top: 6px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: rgba(233, 69, 96, 0.08);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

#articles article > a:hover {
  color: #fff;
  background: var(--accent-gradient);
  transform: translateX(4px);
  box-shadow: var(--shadow-glow);
}

/* ========== FAQ ========== */
#faq details {
  margin-bottom: 12px;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

#faq details[open] {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
}

#faq details:hover {
  border-color: var(--border-color);
}

#faq summary {
  padding: 16px 22px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

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

#faq summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent-primary);
  transition: transform var(--transition-base), color var(--transition-fast);
}

#faq details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  color: var(--accent-secondary);
}

#faq summary:hover {
  color: var(--accent-primary);
  background: var(--bg-glass-light);
}

#faq details p {
  padding: 0 22px 18px;
  margin: 0;
  font-size: 0.94rem;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== CONTACT ========== */
#contact address {
  font-style: normal;
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

#contact address p {
  margin: 0;
  padding: 12px 18px;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

#contact address p:hover {
  transform: translateX(6px);
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
}

/* ========== SITEMAP & LINKS ========== */
#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

#sitemap li,
#links li {
  margin: 0;
}

#sitemap a,
#links a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-glass-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  transition: transform var(--transition-fast), color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#sitemap a:hover,
#links a:hover {
  color: #fff;
  background: var(--accent-gradient);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  opacity: 1;
}

/* ========== FOOTER ========== */
#site-footer {
  margin-top: 40px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-top: 1px solid var(--border-glass);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.2);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 20px 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

#site-footer section h2 {
  font-size: 1.05rem;
  margin-bottom: 14px;
  color: var(--accent-secondary);
  position: relative;
  padding-bottom: 10px;
}

#site-footer section h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: 3px;
}

#site-footer section p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

#site-footer section a {
  color: var(--text-secondary);
}

#site-footer section a:hover {
  color: var(--accent-primary);
}

#site-footer #copyright {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* ========== BACK TO TOP ========== */
#back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent-gradient);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base), box-shadow var(--transition-fast);
  z-index: 999;
}

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

#back-to-top:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 12px 32px rgba(233, 69, 96, 0.5);
}

/* ========== SCROLL ANIMATIONS ========== */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1080px) {
  #search-input {
    width: 150px;
  }
  #search-input:focus {
    width: 180px;
  }
  #main-nav a {
    padding: 8px 9px;
    font-size: 0.84rem;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 60px;
  }

  .header-inner {
    gap: 10px;
    padding: 0 14px;
  }

  #main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-base);
    z-index: 999;
  }

  #main-nav.open {
    max-height: 480px;
    padding: 12px 0;
  }

  #main-nav ul {
    flex-direction: column;
    gap: 2px;
    padding: 0 16px;
    overflow: visible;
  }

  #main-nav a {
    padding: 12px 16px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
  }

  #main-nav a::after {
    display: none;
  }

  #site-search {
    display: none;
  }

  #menu-toggle {
    display: flex;
    margin-left: auto;
  }

  main > section {
    padding: 28px 22px;
    border-radius: var(--radius-md);
  }

  #hero {
    padding: 32px 22px;
  }

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

  .cta-secondary {
    margin-left: 0;
    margin-top: 10px;
  }

  #carousel-prev,
  #carousel-next {
    width: 38px;
    height: 38px;
    font-size: 1.3rem;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  main {
    padding: 0 12px 40px;
  }

  #breadcrumb {
    padding: 12px 12px 0;
  }

  main > section {
    margin-top: 28px;
    padding: 22px 16px;
  }

  #hero {
    padding: 26px 16px;
    border-radius: var(--radius-md);
  }

  .hero-stats {
    gap: 10px;
  }

  .hero-stats li {
    padding: 14px 8px;
  }

  .hero-stats .num {
    font-size: 1.3rem;
  }

  .cta-primary,
  .cta-secondary {
    display: block;
    width: 100%;
    text-align: center;
    padding: 13px 20px;
  }

  .cta-secondary {
    margin-top: 10px;
  }

  #articles article {
    padding: 18px 16px;
  }

  #faq summary {
    padding: 14px 16px;
    padding-right: 42px;
    font-size: 0.94rem;
  }

  #faq summary::after {
    right: 16px;
  }

  #faq details p {
    padding: 0 16px 16px;
  }

  #contact address p {
    padding: 10px 14px;
    font-size: 0.9rem;
  }

  #sitemap a,
  #links a {
    padding: 7px 14px;
    font-size: 0.82rem;
  }

  .footer-inner {
    padding: 32px 14px 24px;
    gap: 24px;
  }

  #back-to-top {
    bottom: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
    font-size: 1.1rem;
  }

  blockquote {
    padding: 0.8em 1em 0.8em 1.2em;
  }
}

@media (max-width: 380px) {
  .brand-name {
    font-size: 1rem;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  main > section {
    padding: 18px 12px;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(233, 69, 96, 0.35);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-tertiary));
  border-radius: 10px;
  border: 2px solid var(--bg-primary);
}

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

@media print {
  #site-header,
  #back-to-top,
  #banner-carousel,
  #site-search,
  #theme-toggle,
  #menu-toggle {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  main > section {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}