:root {
  --brand-red: #d81e06;
  --brand-red-dark: #a81504;
  --brand-red-light: #ff4b33;
  --brand-orange: #ff7a45;
  --brand-gold: #ffb400;
  --bg-body: #f4f5f9;
  --bg-elevated: #ffffff;
  --bg-soft: #fafbfe;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-strong: rgba(255, 255, 255, 0.88);
  --border-color: rgba(20, 24, 40, 0.08);
  --border-strong: rgba(20, 24, 40, 0.14);
  --text-main: #1a1d2b;
  --text-sub: #4a5068;
  --text-muted: #7b8199;
  --shadow-sm: 0 2px 8px rgba(20, 24, 40, 0.06);
  --shadow-md: 0 8px 28px rgba(20, 24, 40, 0.09);
  --shadow-lg: 0 18px 50px rgba(20, 24, 40, 0.14);
  --shadow-brand: 0 10px 30px rgba(216, 30, 6, 0.28);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --grad-hero: linear-gradient(135deg, #d81e06 0%, #ff5a2b 45%, #ff9a3c 100%);
  --grad-brand: linear-gradient(135deg, #d81e06 0%, #ff4b33 100%);
  --grad-soft: linear-gradient(135deg, rgba(216, 30, 6, 0.08) 0%, rgba(255, 122, 69, 0.08) 100%);
  --grad-card-top: linear-gradient(90deg, #d81e06, #ff7a45, #ffb400);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --header-h: 68px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-body: #0d0f1a;
  --bg-elevated: #171a28;
  --bg-soft: #1d2132;
  --bg-glass: rgba(23, 26, 40, 0.72);
  --bg-glass-strong: rgba(23, 26, 40, 0.9);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text-main: #eef1f8;
  --text-sub: #b6bdd0;
  --text-muted: #7d859b;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.6);
  --shadow-brand: 0 10px 30px rgba(216, 30, 6, 0.4);
  --grad-soft: linear-gradient(135deg, rgba(216, 30, 6, 0.16) 0%, rgba(255, 122, 69, 0.1) 100%);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background-color: var(--bg-body);
  background-image:
    radial-gradient(circle at 12% 4%, rgba(216, 30, 6, 0.07), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(255, 180, 0, 0.08), transparent 40%);
  background-attachment: fixed;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

img, svg { display: block; max-width: 100%; }
a { color: var(--brand-red); text-decoration: none; transition: color var(--transition), opacity var(--transition); }
a:hover { color: var(--brand-red-light); }
ul, ol { list-style-position: outside; }

.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 ============ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), box-shadow var(--transition);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  border-radius: 12px;
  box-shadow: var(--shadow-brand);
  transition: transform var(--transition);
}
.brand:hover .brand-logo { transform: rotate(-6deg) scale(1.06); }

.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-text span { font-size: 11.5px; color: var(--text-muted); letter-spacing: 0.3px; }

#main-nav { flex: 1 1 auto; min-width: 0; }
#main-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  flex-wrap: wrap;
}
#main-nav a {
  display: inline-block;
  padding: 7px 12px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-sub);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  position: relative;
  transition: color var(--transition), background var(--transition);
}
#main-nav a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 2px;
  width: 0; height: 2px;
  background: var(--grad-brand);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--transition);
}
#main-nav a:hover {
  color: var(--brand-red);
  background: var(--grad-soft);
}
#main-nav a:hover::after { width: 60%; }

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-left: auto;
}

#site-search { display: flex; align-items: center; }
#site-search input {
  width: 190px;
  padding: 9px 16px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text-main);
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-right: none;
  border-radius: var(--radius-pill) 0 0 var(--radius-pill);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), width var(--transition);
}
#site-search input::placeholder { color: var(--text-muted); }
#site-search input:focus {
  width: 230px;
  border-color: var(--brand-red);
  box-shadow: 0 0 0 3px rgba(216, 30, 6, 0.12);
}
#site-search button {
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  color: #fff;
  background: var(--grad-brand);
  border: none;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  cursor: pointer;
  transition: filter var(--transition), transform var(--transition);
}
#site-search button:hover { filter: brightness(1.1); }
#site-search button:active { transform: scale(0.97); }

#theme-toggle, #menu-toggle {
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text-sub);
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition);
  white-space: nowrap;
}
#theme-toggle:hover, #menu-toggle:hover {
  color: var(--brand-red);
  border-color: var(--brand-red);
  box-shadow: 0 4px 14px rgba(216, 30, 6, 0.18);
  transform: translateY(-1px);
}
#menu-toggle { display: none; }

/* ============ MAIN LAYOUT ============ */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 60px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

main > section {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition), border-color var(--transition);
  overflow: hidden;
  opacity: 0;
  transform: translateY(28px);
  animation: revealUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

main > section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-card-top);
  opacity: 0;
  transition: opacity var(--transition);
}
main > section:hover::before { opacity: 1; }
main > section:hover { box-shadow: var(--shadow-lg); }

main > section:nth-child(1) { animation-delay: 0.04s; }
main > section:nth-child(2) { animation-delay: 0.08s; }
main > section:nth-child(3) { animation-delay: 0.12s; }
main > section:nth-child(4) { animation-delay: 0.16s; }
main > section:nth-child(5) { animation-delay: 0.2s; }
main > section:nth-child(6) { animation-delay: 0.24s; }
main > section:nth-child(7) { animation-delay: 0.28s; }
main > section:nth-child(8) { animation-delay: 0.32s; }
main > section:nth-child(9) { animation-delay: 0.36s; }
main > section:nth-child(10) { animation-delay: 0.4s; }
main > section:nth-child(n+11) { animation-delay: 0.44s; }

@keyframes revealUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ============ HERO ============ */
.hero {
  background: var(--grad-hero) !important;
  border: none !important;
  color: #fff;
  padding: 56px 48px !important;
  box-shadow: 0 20px 60px rgba(216, 30, 6, 0.35) !important;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  top: -50%; right: -20%;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.22), transparent 68%);
  border-radius: 50%;
  animation: floatGlow 9s ease-in-out infinite;
  pointer-events: none;
}
.hero::before {
  content: "";
  position: absolute;
  bottom: -60%; left: -10%;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(255, 180, 0, 0.28), transparent 70%);
  border-radius: 50%;
  animation: floatGlow 11s ease-in-out infinite reverse;
  pointer-events: none;
}
@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-24px, 24px) scale(1.12); }
}

.hero h1 {
  position: relative;
  z-index: 1;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.22);
}

.hero-lead {
  position: relative;
  z-index: 1;
  font-size: 15.5px;
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.94);
  max-width: 940px;
  margin-bottom: 24px;
  text-align: justify;
}

.hero-points {
  position: relative;
  z-index: 1;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px 24px;
  margin-bottom: 30px;
}
.hero-points li {
  position: relative;
  padding-left: 28px;
  font-size: 14.5px;
  font-weight: 600;
  color: #fff;
  line-height: 1.6;
}
.hero-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 18px; height: 18px;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.22);
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  transition: background var(--transition), transform var(--transition);
}
.hero-points li::after {
  content: "";
  position: absolute;
  left: 6px; top: 50%;
  width: 6px; height: 6px;
  transform: translateY(-50%) rotate(45deg);
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transition: transform var(--transition);
}
.hero-points li:hover::before { background: rgba(255, 255, 255, 0.42); transform: translateY(-50%) scale(1.12); }
.hero-points li:hover::after { transform: translateY(-50%) rotate(45deg) scale(1.15); }

.hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.4px;
}
.btn-primary {
  color: var(--brand-red);
  background: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}
.btn-primary:hover {
  color: var(--brand-red-dark);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3);
}
.btn-secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.26);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
}

/* ============ TYPOGRAPHY ============ */
main h2 {
  position: relative;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 22px;
  padding-left: 20px;
  letter-spacing: 0.3px;
}
main h2::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 6px; height: 68%;
  transform: translateY(-50%);
  background: var(--grad-brand);
  border-radius: var(--radius-pill);
  box-shadow: 0 0 14px rgba(216, 30, 6, 0.45);
}

main h3 {
  position: relative;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-main);
  margin: 26px 0 12px;
  padding-left: 16px;
  transition: color var(--transition), transform var(--transition);
}
main h3::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 8px; height: 8px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--grad-brand);
  border-radius: 2px;
}
main h3:hover { color: var(--brand-red); transform: translateX(3px); }

main p {
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-sub);
  margin-bottom: 14px;
  text-align: justify;
}

main ul, main ol {
  margin: 14px 0 18px;
  padding-left: 4px;
  list-style: none;
}
main ul li, main ol li {
  position: relative;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-sub);
  padding: 7px 12px 7px 32px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
main ul li::before {
  content: "";
  position: absolute;
  left: 10px; top: 18px;
  width: 7px; height: 7px;
  background: var(--grad-brand);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(216, 30, 6, 0.4);
  transition: transform var(--transition);
}
main ul li:hover, main ol li:hover {
  background: var(--grad-soft);
  color: var(--text-main);
  transform: translateX(4px);
}
main ul li:hover::before { transform: scale(1.4); }

main ol { counter-reset: step; }
main ol li { counter-increment: step; padding-left: 46px; }
main ol li::before {
  content: counter(step);
  position: absolute;
  left: 8px; top: 9px;
  width: 26px; height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  font-weight: 800;
  color: #fff;
  background: var(--grad-brand);
  border-radius: 50%;
  box-shadow: 0 3px 10px rgba(216, 30, 6, 0.35);
  transition: transform var(--transition);
}
main ol li:hover::before { transform: scale(1.12) rotate(-8deg); }

/* ============ DL FACTS ============ */
main dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
  margin: 20px 0 8px;
}
main dt {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-red);
  letter-spacing: 0.4px;
  margin-bottom: 2px;
}
main dd {
  font-size: 14.5px;
  color: var(--text-sub);
  margin: 0 0 8px;
  padding: 12px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--brand-red);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
main dd:hover {
  background: var(--grad-soft);
  border-left-color: var(--brand-orange);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}
main dt + dd { margin-top: -6px; }

/* ============ ARTICLES / NEWS CARDS ============ */
main article {
  position: relative;
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  margin-bottom: 16px;
  transition: all var(--transition);
  overflow: hidden;
}
main article::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--grad-brand);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}
main article:hover {
  background: var(--bg-elevated);
  border-color: rgba(216, 30, 6, 0.28);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
main article:hover::before { transform: scaleY(1); }

main article h3 {
  margin-top: 0;
  font-size: 16.5px;
  padding-left: 0;
}
main article h3::before { display: none; }
main article h3:hover { transform: none; }

main article p { font-size: 14px; margin-bottom: 8px; }
main article p:first-of-type {
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.3px;
}
main article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--brand-red);
  padding: 6px 0;
}
main article a::after {
  content: "→";
  transition: transform var(--transition);
}
main article a:hover::after { transform: translateX(5px); }

/* ============ BLOCKQUOTE ============ */
blockquote {
  position: relative;
  margin: 20px 0;
  padding: 24px 28px 24px 56px;
  background: var(--grad-soft);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand-red);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
blockquote::before {
  content: "\201C";
  position: absolute;
  left: 16px; top: 6px;
  font-size: 56px;
  line-height: 1;
  font-family: Georgia, serif;
  color: var(--brand-red);
  opacity: 0.35;
}
blockquote p {
  font-size: 14.5px;
  font-style: italic;
  color: var(--text-main);
  margin-bottom: 8px;
  padding-left: 12px;
  border-left: 2px solid rgba(216, 30, 6, 0.2);
}
blockquote p:last-child { margin-bottom: 0; }

/* ============ FAQ DETAILS ============ */
#faq details {
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}
#faq details[open] {
  background: var(--bg-elevated);
  border-color: rgba(216, 30, 6, 0.3);
  box-shadow: var(--shadow-md);
}
#faq details:hover {
  border-color: rgba(216, 30, 6, 0.35);
  transform: translateY(-2px);
}
#faq summary {
  position: relative;
  padding: 18px 56px 18px 24px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--transition), background var(--transition);
}
#faq summary::-webkit-details-marker { display: none; }
#faq summary::after {
  content: "+";
  position: absolute;
  right: 22px; top: 50%;
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-brand);
  border-radius: 50%;
  transform: translateY(-50%);
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 3px 10px rgba(216, 30, 6, 0.3);
}
#faq details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}
#faq summary:hover {
  color: var(--brand-red);
  background: var(--grad-soft);
}
#faq details p {
  padding: 0 24px 20px;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-sub);
  animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ FOOTER ============ */
#site-footer {
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-soft) 100%);
  border-top: 1px solid var(--border-color);
  padding: 40px 24px 32px;
  margin-top: 20px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}
.footer-inner p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 6px;
}
.footer-inner p:first-child {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-sub);
  margin-bottom: 10px;
}
.footer-inner a {
  color: var(--text-sub);
  font-weight: 600;
  padding: 0 4px;
  transition: color var(--transition);
}
.footer-inner a:hover { color: var(--brand-red); }

/* ============ BACK TO TOP ============ */
#back-to-top {
  position: fixed;
  right: 26px;
  bottom: 30px;
  z-index: 999;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  color: #fff;
  background: var(--grad-brand);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-brand);
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px) scale(0.85);
  transition: all var(--transition);
}
#back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
#back-to-top:hover {
  transform: translateY(-5px) scale(1.08);
  box-shadow: 0 16px 40px rgba(216, 30, 6, 0.45);
}
#back-to-top:active { transform: translateY(-2px) scale(0.98); }

/* ============ SITEMAP / LINKS GRID ============ */
#sitemap ul, #links ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
#sitemap ul li, #links ul li { padding: 0; }
#sitemap ul li::before, #links ul li::before { display: none; }
#sitemap a, #links a {
  display: block;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-sub);
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
#sitemap a:hover, #links a:hover {
  color: #fff;
  background: var(--grad-brand);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-brand);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  #main-nav a { padding: 7px 9px; font-size: 13px; }
  #site-search input { width: 150px; }
  #site-search input:focus { width: 180px; }
}

@media (max-width: 900px) {
  :root { --header-h: 62px; }
  .header-inner { padding: 0 16px; gap: 12px; }
  .brand-text span { display: none; }

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

  #main-nav {
    order: 3;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  #main-nav.is-open { max-height: 560px; }
  #main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 0 16px;
  }
  #main-nav a {
    display: block;
    padding: 11px 16px;
    font-size: 14.5px;
    border-radius: var(--radius-sm);
    background: var(--bg-soft);
  }
  #main-nav a::after { display: none; }

  .header-tools { margin-left: auto; }
  #site-search { flex: 1 1 auto; }
  #site-search input { width: 100%; min-width: 90px; }
  #site-search input:focus { width: 100%; }

  main { padding: 22px 16px 48px; gap: 20px; }
  main > section { padding: 26px 20px; border-radius: var(--radius-md); }
  .hero { padding: 40px 22px !important; border-radius: var(--radius-md) !important; }
  .hero-points { grid-template-columns: 1fr; }
  .btn-primary, .btn-secondary { padding: 12px 26px; font-size: 14px; }
  main dl { grid-template-columns: 1fr; }
  blockquote { padding: 20px 20px 20px 46px; }
  #back-to-top { right: 16px; bottom: 18px; width: 46px; height: 46px; font-size: 11px; }
}

@media (max-width: 560px) {
  body { font-size: 15px; }
  .brand-text strong { font-size: 16px; }
  .brand-logo { width: 38px; height: 38px; }
  .header-tools { gap: 6px; }
  #theme-toggle, #menu-toggle { padding: 8px 12px; font-size: 12px; }
  #site-search button { padding: 9px 14px; font-size: 12px; }

  main > section { padding: 22px 16px; }
  .hero { padding: 32px 18px !important; }
  .hero h1 { font-size: 21px; }
  .hero-lead { font-size: 14.5px; text-align: left; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; }

  main h2 { font-size: 19px; padding-left: 16px; }
  main h3 { font-size: 16px; }
  main p { font-size: 14.5px; text-align: left; }
  main article { padding: 18px 16px; }
  #faq summary { padding: 15px 50px 15px 18px; font-size: 14.5px; }
  #faq summary::after { right: 14px; width: 24px; height: 24px; font-size: 17px; }
  main ol li { padding-left: 42px; }
  #sitemap ul, #links ul { grid-template-columns: 1fr; }
}

/* ============ REDUCED 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;
  }
  main > section { opacity: 1; transform: none; }
}

/* ============ PRINT ============ */
@media print {
  #site-header, #back-to-top, #site-search, #theme-toggle, #menu-toggle { display: none !important; }
  body { background: #fff; color: #000; }
  main > section { box-shadow: none; border: 1px solid #ddd; opacity: 1; transform: none; }
  .hero { background: #d81e06 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}