:root {
  --color-primary: #e63946;
  --color-primary-dark: #c1121f;
  --color-primary-light: #ff6b7a;
  --color-secondary: #457b9d;
  --color-accent: #2a9d8f;
  --color-bg: #f7f8fa;
  --color-bg-alt: #ffffff;
  --color-surface: rgba(255, 255, 255, 0.72);
  --color-surface-solid: #ffffff;
  --color-text: #1d1f24;
  --color-text-secondary: #5a5f6b;
  --color-text-muted: #8a8f9c;
  --color-border: rgba(29, 31, 36, 0.1);
  --color-border-strong: rgba(29, 31, 36, 0.18);
  --color-shadow: rgba(29, 31, 36, 0.08);
  --color-shadow-strong: rgba(29, 31, 36, 0.16);
  --gradient-hero: linear-gradient(135deg, #e63946 0%, #f77f00 45%, #457b9d 100%);
  --gradient-accent: linear-gradient(135deg, #2a9d8f 0%, #457b9d 100%);
  --gradient-card: linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
  --gradient-dark-card: linear-gradient(160deg, rgba(38, 41, 50, 0.9), rgba(28, 30, 37, 0.7));
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-pill: 999px;
  --blur-glass: 16px;
  --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(0.22, 1, 0.36, 1);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 68px;
}

[data-theme="dark"] {
  --color-bg: #14161c;
  --color-bg-alt: #1b1e26;
  --color-surface: rgba(30, 33, 42, 0.72);
  --color-surface-solid: #1e212a;
  --color-text: #eef0f4;
  --color-text-secondary: #b3b8c4;
  --color-text-muted: #7d8391;
  --color-border: rgba(238, 240, 244, 0.1);
  --color-border-strong: rgba(238, 240, 244, 0.2);
  --color-shadow: rgba(0, 0, 0, 0.4);
  --color-shadow-strong: rgba(0, 0, 0, 0.6);
  --gradient-hero: linear-gradient(135deg, #b3121f 0%, #b35c00 45%, #2c5a78 100%);
  --gradient-card: linear-gradient(160deg, rgba(38, 41, 50, 0.92), rgba(28, 30, 37, 0.72));
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #14161c;
    --color-bg-alt: #1b1e26;
    --color-surface: rgba(30, 33, 42, 0.72);
    --color-surface-solid: #1e212a;
    --color-text: #eef0f4;
    --color-text-secondary: #b3b8c4;
    --color-text-muted: #7d8391;
    --color-border: rgba(238, 240, 244, 0.1);
    --color-border-strong: rgba(238, 240, 244, 0.2);
    --color-shadow: rgba(0, 0, 0, 0.4);
    --color-shadow-strong: rgba(0, 0, 0, 0.6);
    --gradient-hero: linear-gradient(135deg, #b3121f 0%, #b35c00 45%, #2c5a78 100%);
    --gradient-card: linear-gradient(160deg, rgba(38, 41, 50, 0.92), rgba(28, 30, 37, 0.72));
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(230, 57, 70, 0.08), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(69, 123, 157, 0.08), transparent 46%),
    radial-gradient(circle at 50% 100%, rgba(42, 157, 143, 0.06), transparent 52%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

a:hover {
  color: var(--color-primary-dark);
  opacity: 0.88;
}

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

table {
  border-collapse: collapse;
  width: 100%;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-primary);
  color: #ffffff;
}

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

#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-surface);
  backdrop-filter: blur(var(--blur-glass)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 24px var(--color-shadow);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--color-text);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand:hover {
  color: var(--color-primary);
  opacity: 1;
}

.brand svg {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.brand:hover svg {
  transform: rotate(-6deg) scale(1.06);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.5);
}

.brand-name {
  font-size: 1.2rem;
  background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

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

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

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

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

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

#main-nav a:hover {
  color: var(--color-primary);
  background: rgba(230, 57, 70, 0.08);
  transform: translateY(-2px);
  opacity: 1;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

#site-search {
  display: flex;
  align-items: center;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#site-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.14);
}

#search-input {
  border: none;
  background: transparent;
  padding: 8px 14px;
  width: 180px;
  font-size: 0.88rem;
  outline: none;
}

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

#site-search button {
  padding: 8px 16px;
  background: var(--gradient-hero);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin: 3px;
  transition: filter var(--transition-fast), transform var(--transition-fast);
}

#site-search button:hover {
  filter: brightness(1.1);
  transform: scale(1.03);
}

#theme-toggle,
#menu-toggle {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-surface-solid);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-strong);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

#theme-toggle:hover,
#menu-toggle:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(230, 57, 70, 0.3);
}

#menu-toggle {
  display: none;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 80px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 4px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--color-text-muted);
  opacity: 0.6;
}

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

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

.breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

#hero {
  margin-top: 24px;
  padding: 56px 40px 48px;
  border-radius: var(--radius-xl);
  background: var(--gradient-hero);
  background-size: 200% 200%;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(230, 57, 70, 0.28);
  animation: gradientShift 14s ease infinite;
}

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

#hero::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.24), transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatOrb 12s ease-in-out infinite;
}

#hero::after {
  content: "";
  position: absolute;
  bottom: -50%;
  left: -8%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 68%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatOrb 16s ease-in-out infinite reverse;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.08); }
}

#hero > * {
  position: relative;
  z-index: 1;
}

#hero-title {
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.22);
}

.hero-lead {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.94);
  margin-bottom: 16px;
  max-width: 900px;
}

#hero > p:not(.hero-lead) {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
  max-width: 900px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 30px;
  border-radius: var(--radius-pill);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.btn-primary {
  background: #ffffff;
  color: var(--color-primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  color: var(--color-primary-dark);
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
  opacity: 1;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.26);
  color: #ffffff;
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
  opacity: 1;
}

#banner-carousel {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  margin-bottom: 40px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
}

#banner-carousel ul {
  display: flex;
  transition: transform var(--transition-slow);
}

#banner-carousel li {
  min-width: 100%;
  flex-shrink: 0;
}

#banner-carousel svg {
  width: 100%;
  height: auto;
  display: block;
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  font-size: 0;
  border: 1px solid rgba(255, 255, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.carousel-prev::before,
.carousel-next::before {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
}

.carousel-prev::before {
  content: "‹";
  margin-right: 2px;
}

.carousel-next::before {
  content: "›";
  margin-left: 2px;
}

.carousel-prev {
  left: 16px;
}

.carousel-next {
  right: 16px;
}

.carousel-prev:hover,
.carousel-next:hover {
  background: rgba(255, 255, 255, 0.42);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat-item {
  padding: 22px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.26);
  text-align: center;
  transition: transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-6px) scale(1.02);
  background: rgba(255, 255, 255, 0.24);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.22);
}

.stat-number {
  display: block;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.2;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.24);
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.86);
  letter-spacing: 0.3px;
}

main > section:not(#hero) {
  margin-top: 64px;
  padding: 44px 40px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  backdrop-filter: blur(var(--blur-glass)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(160%);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 34px var(--color-shadow);
  transition: box-shadow var(--transition-base), transform var(--transition-base), background var(--transition-base);
}

main > section:not(#hero):hover {
  box-shadow: 0 16px 44px var(--color-shadow-strong);
}

main > section:not(#hero) h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 22px;
  padding-bottom: 14px;
  position: relative;
  color: var(--color-text);
  letter-spacing: 0.4px;
}

main > section:not(#hero) h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 72px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--gradient-hero);
}

main > section:not(#hero) h3 {
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  font-weight: 700;
  line-height: 1.5;
  margin: 30px 0 12px;
  color: var(--color-text);
  position: relative;
  padding-left: 16px;
}

main > section:not(#hero) h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 5px;
  height: 1.05em;
  border-radius: var(--radius-pill);
  background: var(--gradient-accent);
}

main > section:not(#hero) p {
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: 14px;
}

main > section:not(#hero) ul:not([class]) {
  display: grid;
  gap: 10px;
  margin: 16px 0 22px;
}

main > section:not(#hero) ul:not([class]) li {
  position: relative;
  padding: 12px 18px 12px 44px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  line-height: 1.7;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

main > section:not(#hero) ul:not([class]) li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gradient-hero);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.14);
}

main > section:not(#hero) ul:not([class]) li:hover {
  transform: translateX(6px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 22px var(--color-shadow);
}

main > section:not(#hero) ol:not([class]) {
  counter-reset: step-counter;
  display: grid;
  gap: 12px;
  margin: 18px 0 24px;
}

main > section:not(#hero) ol:not([class]) li {
  counter-increment: step-counter;
  position: relative;
  padding: 14px 18px 14px 58px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  line-height: 1.7;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

main > section:not(#hero) ol:not([class]) li::before {
  content: counter(step-counter);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gradient-hero);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.32);
}

main > section:not(#hero) ol:not([class]) li:hover {
  transform: translateX(6px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 22px var(--color-shadow);
}

table {
  margin: 22px 0 10px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 26px var(--color-shadow);
  font-size: 0.94rem;
}

caption {
  caption-side: top;
  text-align: left;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  padding-bottom: 12px;
}

thead {
  background: var(--gradient-hero);
  color: #ffffff;
}

thead th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
}

tbody tr {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:nth-child(even) {
  background: var(--color-surface-solid);
}

tbody tr:hover {
  background: rgba(230, 57, 70, 0.07);
}

tbody td {
  padding: 13px 16px;
  color: var(--color-text-secondary);
  vertical-align: top;
}

tbody td:first-child {
  font-weight: 600;
  color: var(--color-text);
}

blockquote {
  margin: 18px 0;
  padding: 20px 24px 20px 28px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border-left: 5px solid var(--color-primary);
  box-shadow: 0 8px 24px var(--color-shadow);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

blockquote::before {
  content: "\201C";
  position: absolute;
  top: 4px;
  right: 20px;
  font-size: 3.4rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.18;
  font-family: Georgia, serif;
}

blockquote:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px var(--color-shadow-strong);
}

blockquote p {
  color: var(--color-text-secondary);
  font-style: italic;
  margin: 0;
  line-height: 1.85;
}

#news article,
#articles article {
  padding: 22px 24px;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

#news article::before,
#articles article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 4px;
  background: var(--gradient-hero);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

#news article:hover,
#articles article:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px var(--color-shadow-strong);
  border-color: var(--color-primary);
}

#news article:hover::before,
#articles article:hover::before {
  transform: scaleY(1);
}

#news article h3,
#articles article h3 {
  margin: 0 0 8px;
  padding-left: 0;
  font-size: 1.08rem;
  transition: color var(--transition-fast);
}

#news article h3::before,
#articles article h3::before {
  display: none;
}

#news article:hover h3,
#articles article:hover h3 {
  color: var(--color-primary);
}

#news article time,
#articles article time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: var(--color-surface-solid);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  margin-bottom: 10px;
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

#articles article a::after {
  content: "→";
  transition: transform var(--transition-fast);
}

#articles article a:hover {
  gap: 12px;
  color: var(--color-primary-dark);
}

#articles article a:hover::after {
  transform: translateX(4px);
}

#faq dl {
  display: grid;
  gap: 12px;
}

#faq dt {
  margin: 0;
}

#faq dt button {
  width: 100%;
  text-align: left;
  padding: 18px 54px 18px 22px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  position: relative;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

#faq dt button::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1;
  transition: transform var(--transition-base);
}

#faq dt button[aria-expanded="true"] {
  background: rgba(230, 57, 70, 0.08);
  border-color: var(--color-primary);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  color: var(--color-primary);
}

#faq dt button[aria-expanded="true"]::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}

#faq dt button:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 22px var(--color-shadow);
  transform: translateY(-2px);
}

#faq dd {
  margin: 0;
  padding: 18px 22px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--color-surface-solid);
  border: 1px solid var(--color-primary);
  border-top: none;
  color: var(--color-text-secondary);
  line-height: 1.85;
  animation: fadeSlideIn var(--transition-base) both;
}

#faq dd[hidden] {
  display: none;
}

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

#contact address {
  font-style: normal;
  display: grid;
  gap: 10px;
  padding: 24px 26px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 26px var(--color-shadow);
}

#contact address p {
  margin: 0;
  color: var(--color-text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

#contact address a {
  font-weight: 600;
  word-break: break-all;
}

#sitemap ul,
#links ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

#sitemap ul:not([class]) li,
#links ul:not([class]) li {
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
}

#sitemap ul:not([class]) li::before,
#links ul:not([class]) li::before {
  display: none;
}

#sitemap a,
#links a {
  display: block;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.92rem;
  text-align: center;
  transition: all var(--transition-fast);
}

#sitemap a:hover,
#links a:hover {
  background: var(--gradient-hero);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(230, 57, 70, 0.32);
  opacity: 1;
}

#legal p {
  color: var(--color-text-secondary);
}

#legal time {
  font-weight: 600;
  color: var(--color-text);
}

footer {
  background: var(--color-surface);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 36px 24px 44px;
  text-align: center;
  display: grid;
  gap: 10px;
}

.footer-inner p {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
}

.footer-inner p:first-child {
  color: var(--color-text-secondary);
  font-weight: 700;
  font-size: 0.95rem;
}

.footer-inner a {
  color: var(--color-text-secondary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.footer-inner a:hover {
  color: var(--color-primary);
}

#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 900;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-hero);
  color: #ffffff;
  font-size: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(230, 57, 70, 0.42);
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px) scale(0.9);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base), box-shadow var(--transition-base);
}

#back-to-top::before {
  content: "↑";
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
}

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

#back-to-top:hover {
  box-shadow: 0 16px 40px rgba(230, 57, 70, 0.6);
  transform: translateY(-4px) scale(1.08);
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

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

@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;
  }
}

@media (max-width: 1024px) {
  .header-inner {
    gap: 14px;
  }

  #search-input {
    width: 140px;
  }

  #main-nav a {
    padding: 8px 9px;
    font-size: 0.85rem;
  }

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

@media (max-width: 860px) {
  :root {
    --header-height: 60px;
  }

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

  #main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    backdrop-filter: blur(var(--blur-glass)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 16px 40px var(--color-shadow-strong);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
  }

  #main-nav.is-open {
    max-height: 520px;
  }

  #main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 18px 20px;
    overflow: visible;
  }

  #main-nav a {
    display: block;
    padding: 13px 16px;
    border-radius: var(--radius-md);
    font-size: 0.96rem;
  }

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

  #site-search {
    display: none;
  }

  .header-inner {
    position: relative;
    justify-content: space-between;
  }

  #hero {
    padding: 40px 24px 36px;
    border-radius: var(--radius-lg);
  }

  main > section:not(#hero) {
    padding: 32px 22px;
    margin-top: 44px;
    border-radius: var(--radius-lg);
  }

  .carousel-prev,
  .carousel-next {
    width: 38px;
    height: 38px;
  }

  main {
    padding: 0 16px 60px;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  .header-inner {
    padding: 0 14px;
    gap: 8px;
  }

  .brand-name {
    font-size: 1.02rem;
  }

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

  #theme-toggle,
  #menu-toggle {
    padding: 7px 11px;
    font-size: 0.78rem;
  }

  #hero {
    padding: 32px 18px 30px;
    margin-top: 16px;
    border-radius: var(--radius-md);
  }

  #hero-title {
    font-size: 1.42rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    padding: 12px 22px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-item {
    padding: 16px 10px;
  }

  .stat-number {
    font-size: 1.25rem;
  }

  .stat-label {
    font-size: 0.72rem;
  }

  main > section:not(#hero) {
    padding: 26px 16px;
    margin-top: 34px;
    border-radius: var(--radius-md);
  }

  main > section:not(#hero) h2 {
    font-size: 1.22rem;
  }

  main > section:not(#hero) h3 {
    font-size: 1.02rem;
    margin: 24px 0 10px;
  }

  main > section:not(#hero) ul:not([class]) li,
  main > section:not(#hero) ol:not([class]) li {
    padding: 12px 14px 12px 44px;
    font-size: 0.92rem;
  }

  table {
    font-size: 0.84rem;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  thead th,
  tbody td {
    padding: 11px 12px;
  }

  blockquote {
    padding: 16px 18px 16px 20px;
  }

  #faq dt button {
    padding: 15px 46px 15px 16px;
    font-size: 0.94rem;
  }

  #faq dd {
    padding: 14px 16px;
    font-size: 0.92rem;
  }

  #sitemap ul,
  #links ul {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  #sitemap a,
  #links a {
    padding: 11px 10px;
    font-size: 0.84rem;
  }

  #back-to-top {
    right: 14px;
    bottom: 18px;
    width: 46px;
    height: 46px;
  }

  .footer-inner {
    padding: 28px 16px 36px;
  }
}

@media (max-width: 380px) {
  #sitemap ul,
  #links ul {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
  }
}

@media print {
  #site-header,
  #back-to-top,
  #banner-carousel,
  .hero-actions,
  .header-actions {
    display: none !important;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  main > section:not(#hero) {
    box-shadow: none;
    border: 1px solid #cccccc;
    backdrop-filter: none;
  }

  a {
    color: #000000;
    text-decoration: underline;
  }
}