:root {
  --c-primary: #F7A8B8;
  --c-primary-dark: #E88CA0;
  --c-primary-light: #FFD3DC;
  --c-secondary: #A8D8F7;
  --c-accent: #FFE5A8;
  --c-mint: #B8E8D0;
  --c-bg: #FFF9FA;
  --c-bg-alt: #FFF0F3;
  --c-surface: #FFFFFF;
  --c-surface-glass: rgba(255, 255, 255, 0.65);
  --c-text: #3A2E33;
  --c-text-soft: #6B5C63;
  --c-text-mute: #9A8B92;
  --c-border: rgba(247, 168, 184, 0.28);
  --c-shadow: rgba(232, 140, 160, 0.16);
  --c-shadow-strong: rgba(232, 140, 160, 0.3);
  --grad-banner: linear-gradient(135deg, #FFD3DC 0%, #F7A8B8 40%, #A8D8F7 100%);
  --grad-btn: linear-gradient(135deg, #F7A8B8 0%, #E88CA0 100%);
  --grad-card: linear-gradient(160deg, rgba(255, 211, 220, 0.55) 0%, rgba(168, 216, 247, 0.35) 100%);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --blur: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.35s;
  --maxw: 1200px;
  --header-h: 76px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

[data-theme="dark"] {
  --c-primary: #F7A8B8;
  --c-primary-dark: #FFBECE;
  --c-primary-light: #5A3A44;
  --c-secondary: #7FB8DB;
  --c-accent: #C9A96A;
  --c-mint: #6FBFA0;
  --c-bg: #1A1418;
  --c-bg-alt: #221A1F;
  --c-surface: #2A2026;
  --c-surface-glass: rgba(42, 32, 38, 0.62);
  --c-text: #F3E8EC;
  --c-text-soft: #C9B8C0;
  --c-text-mute: #8E7C85;
  --c-border: rgba(247, 168, 184, 0.22);
  --c-shadow: rgba(0, 0, 0, 0.35);
  --c-shadow-strong: rgba(0, 0, 0, 0.55);
  --grad-banner: linear-gradient(135deg, #4A2E38 0%, #5A3A44 45%, #2E3F4F 100%);
  --grad-btn: linear-gradient(135deg, #E88CA0 0%, #C96E82 100%);
  --grad-card: linear-gradient(160deg, rgba(90, 58, 68, 0.55) 0%, rgba(46, 63, 79, 0.4) 100%);
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background-color: var(--c-bg);
  background-image:
    radial-gradient(circle at 8% 6%, rgba(247, 168, 184, 0.18), transparent 42%),
    radial-gradient(circle at 92% 18%, rgba(168, 216, 247, 0.16), transparent 40%),
    radial-gradient(circle at 50% 96%, rgba(184, 232, 208, 0.14), transparent 46%);
  background-attachment: fixed;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
  overflow-x: hidden;
}

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

a {
  color: var(--c-primary-dark);
  text-decoration: none;
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

a:hover,
a:focus-visible {
  color: var(--c-primary);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--c-secondary);
  outline-offset: 2px;
  border-radius: 6px;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.35;
  font-weight: 800;
  color: var(--c-text);
  margin: 0 0 0.6em;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(1.75rem, 4.2vw, 2.9rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.45rem); }
h4 { font-size: clamp(1.02rem, 1.8vw, 1.18rem); }

p {
  margin: 0 0 1em;
  color: var(--c-text-soft);
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.4em;
  color: var(--c-text-soft);
}

li { margin-bottom: 0.35em; }

strong { color: var(--c-text); }

.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;
}

/* ========== HEADER ========== */
header[role="banner"] {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-surface-glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(160%);
  backdrop-filter: blur(var(--blur)) saturate(160%);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 6px 24px -12px var(--c-shadow);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.site-header {
  max-width: var(--maxw);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--c-text);
  font-weight: 800;
}

.logo svg {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  box-shadow: 0 6px 18px -6px var(--c-shadow-strong);
  transition: transform var(--dur) var(--ease);
}

.logo:hover svg {
  transform: rotate(-8deg) scale(1.06);
}

.logo-text {
  font-size: 1.22rem;
  background: var(--grad-btn);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

nav[role="navigation"] {
  flex: 1 1 auto;
  min-width: 0;
}

.main-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.main-nav li { margin: 0; }

.main-nav a {
  display: inline-block;
  padding: 8px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-text-soft);
  position: relative;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-btn);
  transform: translateX(-50%);
  transition: width var(--dur) var(--ease);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--c-primary-dark);
  background: rgba(247, 168, 184, 0.14);
  transform: translateY(-2px);
}

.main-nav a:hover::after { width: 55%; }

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

.header-actions form {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 3px;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.header-actions form:focus-within {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px rgba(247, 168, 184, 0.18);
}

.header-actions input[type="search"] {
  border: 0;
  background: transparent;
  padding: 7px 12px;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--c-text);
  width: 150px;
  border-radius: var(--radius-pill);
  transition: width var(--dur) var(--ease);
}

.header-actions input[type="search"]::placeholder { color: var(--c-text-mute); }

.header-actions input[type="search"]:focus {
  outline: none;
  width: 190px;
}

.header-actions button {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  color: #fff;
  background: var(--grad-btn);
  box-shadow: 0 6px 16px -8px var(--c-shadow-strong);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), filter var(--dur) var(--ease);
}

.header-actions button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px -8px var(--c-shadow-strong);
  filter: brightness(1.04);
}

.header-actions button:active { transform: translateY(0) scale(0.98); }

.theme-toggle {
  background: var(--c-surface) !important;
  color: var(--c-text) !important;
  border: 1px solid var(--c-border) !important;
  box-shadow: none !important;
}

.theme-toggle:hover {
  border-color: var(--c-primary) !important;
  color: var(--c-primary-dark) !important;
}

.menu-toggle { display: none; }

/* ========== BREADCRUMB ========== */
.breadcrumb {
  max-width: var(--maxw);
  margin: 18px auto 0;
  padding: 0 20px;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--c-text-mute);
}

.breadcrumb li { margin: 0; display: flex; align-items: center; gap: 8px; }

.breadcrumb li + li::before {
  content: "›";
  color: var(--c-primary);
  font-weight: 700;
}

.breadcrumb a { color: var(--c-text-soft); font-weight: 600; }
.breadcrumb a:hover { color: var(--c-primary-dark); }

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

main > section {
  margin-top: 34px;
  padding: clamp(22px, 4vw, 44px);
  background: var(--c-surface-glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(150%);
  backdrop-filter: blur(var(--blur)) saturate(150%);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 44px -28px var(--c-shadow-strong);
  position: relative;
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

main > section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad-banner);
  opacity: 0.85;
}

main > section:hover {
  border-color: rgba(247, 168, 184, 0.5);
  box-shadow: 0 26px 56px -28px var(--c-shadow-strong);
}

main > section > h2 {
  position: relative;
  padding-bottom: 12px;
  margin-bottom: 22px;
}

main > section > h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 5px;
  border-radius: 5px;
  background: var(--grad-btn);
}

main > section h3 {
  margin-top: 1.6em;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

main > section h3::before {
  content: "";
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--grad-banner);
  box-shadow: 0 0 0 4px rgba(247, 168, 184, 0.18);
}

main > section h4 {
  margin-top: 1.2em;
  color: var(--c-primary-dark);
}

/* ========== HERO ========== */
.hero {
  margin-top: 26px !important;
  padding: 0 !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  overflow: visible !important;
}

.hero::before { display: none !important; }

.hero-carousel {
  position: relative;
  border-radius: var(--radius-lg);
  padding: clamp(30px, 5vw, 60px) clamp(22px, 4vw, 54px) clamp(58px, 6vw, 76px);
  background: var(--grad-banner);
  background-size: 180% 180%;
  animation: gradientShift 16s ease infinite;
  box-shadow: 0 30px 70px -34px var(--c-shadow-strong);
  overflow: hidden;
  isolation: isolate;
}

.hero-carousel::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 255, 255, 0.5), transparent 34%),
    radial-gradient(circle at 6% 90%, rgba(255, 255, 255, 0.32), transparent 38%);
  pointer-events: none;
  z-index: -1;
}

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

.slide {
  display: none;
  animation: fadeSlide var(--dur) var(--ease);
}

.slide.active { display: block; }

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide h1,
.slide h2 {
  color: #4A2E38;
  text-shadow: 0 2px 12px rgba(255, 255, 255, 0.45);
  max-width: 22ch;
}

.slide h1 { max-width: 26ch; }

.slide p {
  color: #5A3A44;
  max-width: 66ch;
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  line-height: 1.85;
}

.cta {
  display: inline-block;
  margin-top: 10px;
  padding: 13px 30px;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  background: linear-gradient(135deg, #E88CA0 0%, #C96E82 100%);
  box-shadow: 0 14px 30px -12px rgba(201, 110, 130, 0.75);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), filter var(--dur) var(--ease);
}

.cta:hover,
.cta:focus-visible {
  color: #fff;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 20px 40px -12px rgba(201, 110, 130, 0.85);
  filter: brightness(1.05);
}

.carousel-controls {
  position: absolute;
  right: clamp(18px, 3vw, 34px);
  bottom: clamp(16px, 3vw, 26px);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.carousel-controls button {
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  color: #4A2E38;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 20px -10px rgba(74, 46, 56, 0.5);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.carousel-controls button:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -10px rgba(74, 46, 56, 0.6);
}

.carousel-controls button:active { transform: translateY(0) scale(0.97); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: -34px;
  padding: 0 clamp(8px, 2vw, 28px);
  position: relative;
  z-index: 3;
}

.stat {
  background: var(--c-surface-glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(160%);
  backdrop-filter: blur(var(--blur)) saturate(160%);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  text-align: center;
  box-shadow: 0 16px 34px -20px var(--c-shadow-strong);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.stat:hover {
  transform: translateY(-6px);
  border-color: var(--c-primary);
  box-shadow: 0 24px 44px -20px var(--c-shadow-strong);
}

.stat .num {
  display: block;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 900;
  line-height: 1.2;
  background: var(--grad-btn);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.02em;
}

.stat > span:last-child {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--c-text-mute);
  font-weight: 600;
}

/* ========== ARTICLES ========== */
#articles article {
  padding: 20px 22px;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  background: var(--grad-card);
  border: 1px solid var(--c-border);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

#articles article:hover {
  transform: translateY(-4px);
  border-color: var(--c-primary);
  box-shadow: 0 20px 40px -24px var(--c-shadow-strong);
}

#articles article h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

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

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

#articles .meta {
  font-size: 0.8rem;
  color: var(--c-text-mute);
  margin-bottom: 8px;
  font-weight: 600;
}

#articles article > a:last-child {
  display: inline-block;
  margin-top: 4px;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(247, 168, 184, 0.16);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

#articles article > a:last-child:hover {
  background: rgba(247, 168, 184, 0.3);
  transform: translateX(4px);
}

/* ========== BLOCKQUOTE ========== */
blockquote {
  margin: 18px 0;
  padding: 18px 22px;
  border-left: 5px solid var(--c-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--grad-card);
  position: relative;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

blockquote::before {
  content: "“";
  position: absolute;
  top: -6px;
  left: 10px;
  font-size: 3rem;
  line-height: 1;
  color: var(--c-primary);
  opacity: 0.4;
  font-family: Georgia, serif;
}

blockquote:hover {
  transform: translateX(4px);
  border-left-color: var(--c-primary-dark);
}

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

/* ========== FAQ ========== */
#faq details {
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

#faq details:hover {
  border-color: var(--c-primary);
  box-shadow: 0 14px 30px -20px var(--c-shadow-strong);
}

#faq details[open] {
  border-color: var(--c-primary);
  box-shadow: 0 18px 38px -22px var(--c-shadow-strong);
}

#faq summary {
  cursor: pointer;
  padding: 16px 48px 16px 20px;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--c-text);
  list-style: none;
  position: relative;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

#faq summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  line-height: 24px;
  text-align: center;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-primary-dark);
  background: rgba(247, 168, 184, 0.18);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

#faq details[open] summary {
  background: rgba(247, 168, 184, 0.1);
  color: var(--c-primary-dark);
}

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

#faq details > p {
  padding: 0 20px 18px;
  margin: 0;
  animation: fadeSlide var(--dur) var(--ease);
}

/* ========== HOWTO ========== */
#howto h4 {
  padding-left: 14px;
  border-left: 4px solid var(--c-primary);
  border-radius: 2px;
}

/* ========== CONTACT INFO ========== */
#contact p {
  word-break: break-word;
}

#contact h3 + p {
  background: var(--grad-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

/* ========== SITEMAP / LINKS ========== */
#sitemap ul,
#links ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

#sitemap a,
#links a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-text-soft);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

#sitemap a:hover,
#links a:hover {
  color: #fff;
  background: var(--grad-btn);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 12px 26px -12px var(--c-shadow-strong);
}

/* ========== LEGAL ========== */
#legal > p:last-child {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--c-border);
  font-size: 0.82rem;
  color: var(--c-text-mute);
}

/* ========== FOOTER ========== */
footer[role="contentinfo"] {
  position: relative;
  margin-top: 40px;
  padding: 48px 20px 34px;
  background: var(--c-surface-glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(150%);
  backdrop-filter: blur(var(--blur)) saturate(150%);
  border-top: 1px solid var(--c-border);
  text-align: center;
}

footer[role="contentinfo"]::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad-banner);
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.footer-inner p {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: var(--c-text-mute);
  line-height: 1.75;
}

.footer-inner a { font-weight: 700; }

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  padding: 12px 18px;
  border: 0;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--grad-btn);
  box-shadow: 0 14px 30px -12px var(--c-shadow-strong);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur), box-shadow var(--dur) var(--ease);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px var(--c-shadow-strong);
}

/* ========== SCROLL REVEAL ========== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1080px) {
  .site-header { gap: 12px; }
  .main-nav a { padding: 7px 10px; font-size: 0.88rem; }
  .header-actions input[type="search"] { width: 120px; }
  .header-actions input[type="search"]:focus { width: 150px; }
}

@media (max-width: 920px) {
  :root { --header-h: 66px; }

  .site-header {
    flex-wrap: wrap;
    padding: 10px 16px;
  }

  nav[role="navigation"] {
    order: 3;
    flex-basis: 100%;
    display: none;
  }

  nav[role="navigation"].open {
    display: block;
    animation: fadeSlide var(--dur) var(--ease);
  }

  .main-nav {
    flex-direction: column;
    gap: 2px;
    padding: 8px 0;
  }

  .main-nav a {
    display: block;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
  }

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

  .header-actions { margin-left: auto; }

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

  .header-actions form { display: none; }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    margin-top: -26px;
  }

  main > section { border-radius: var(--radius-md); }
}

@media (max-width: 640px) {
  body { font-size: 15px; line-height: 1.78; }

  main { padding: 0 14px 44px; }

  .site-header { padding: 10px 14px; }

  .logo svg { width: 40px; height: 40px; }
  .logo-text { font-size: 1.08rem; }

  .header-actions button {
    padding: 8px 13px;
    font-size: 0.8rem;
  }

  .breadcrumb { padding: 0 14px; margin-top: 14px; }

  .hero-carousel {
    padding: 26px 20px 62px;
    border-radius: var(--radius-md);
  }

  .slide h1 { max-width: 100%; }
  .slide p { font-size: 0.94rem; }

  .cta {
    width: 100%;
    text-align: center;
    padding: 13px 20px;
  }

  .carousel-controls {
    left: 20px;
    right: 20px;
    justify-content: space-between;
  }

  .carousel-controls button { flex: 1; }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: -20px;
    padding: 0 4px;
  }

  .stat { padding: 14px 10px; border-radius: var(--radius-sm); }
  .stat > span:last-child { font-size: 0.72rem; }

  main > section {
    margin-top: 22px;
    padding: 20px 16px;
  }

  main > section > h2 { margin-bottom: 16px; }

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

  #articles article > a:last-child { width: 100%; text-align: center; }

  #faq summary { padding: 14px 44px 14px 16px; font-size: 0.92rem; }
  #faq details > p { padding: 0 16px 16px; }

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

  .back-to-top {
    right: 14px;
    bottom: 14px;
    padding: 10px 15px;
    font-size: 0.78rem;
  }

  footer[role="contentinfo"] { padding: 38px 16px 28px; }
}

@media (max-width: 380px) {
  .hero-stats { grid-template-columns: 1fr; }
  .header-actions { gap: 6px; }
  .header-actions button { padding: 7px 11px; font-size: 0.76rem; }
}

/* ========== PRINT ========== */
@media print {
  header[role="banner"],
  .back-to-top,
  .carousel-controls,
  .hero-stats { display: none !important; }
  body { background: #fff; color: #000; }
  main > section { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
  a { color: #000; text-decoration: underline; }
}