:root {
  --brand: #FF6B35;
  --brand-deep: #E04E1A;
  --brand-soft: #FF8F66;
  --accent: #FFD23F;
  --accent-deep: #F2B705;
  --ink: #1A1A1A;
  --ink-soft: #3D3D3D;
  --muted: #6B6B6B;
  --bg: #FFF8F3;
  --bg-alt: #FFFFFF;
  --card: rgba(255, 255, 255, 0.78);
  --card-solid: #FFFFFF;
  --border: rgba(255, 107, 53, 0.16);
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --shadow-sm: 0 2px 10px rgba(224, 78, 26, 0.08);
  --shadow-md: 0 10px 30px rgba(224, 78, 26, 0.12);
  --shadow-lg: 0 20px 60px rgba(224, 78, 26, 0.18);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --header-h: 68px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --grad-hero: linear-gradient(135deg, #FF6B35 0%, #FF8F66 38%, #FFB347 72%, #FFD23F 100%);
  --grad-brand: linear-gradient(135deg, #FF6B35 0%, #FF8F66 100%);
  --grad-accent: linear-gradient(135deg, #FFD23F 0%, #FFB347 100%);
  --grad-soft: linear-gradient(160deg, #FFF8F3 0%, #FFEFE4 100%);
}

html[data-theme="dark"] {
  --brand: #FF8A5C;
  --brand-deep: #FF6B35;
  --brand-soft: #FFB08F;
  --accent: #FFD23F;
  --accent-deep: #E8B400;
  --ink: #F5F1EC;
  --ink-soft: #D8D2CB;
  --muted: #A39C94;
  --bg: #14100E;
  --bg-alt: #1C1714;
  --card: rgba(38, 30, 26, 0.72);
  --card-solid: #221C18;
  --border: rgba(255, 138, 92, 0.22);
  --glass: rgba(34, 28, 24, 0.55);
  --glass-strong: rgba(34, 28, 24, 0.85);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
  --grad-hero: linear-gradient(135deg, #5A2410 0%, #7A3216 40%, #9C4A1E 75%, #B86B22 100%);
  --grad-brand: linear-gradient(135deg, #FF6B35 0%, #FF8A5C 100%);
  --grad-soft: linear-gradient(160deg, #14100E 0%, #1E1713 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: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 8% 4%, rgba(255, 210, 63, 0.16), transparent 42%),
    radial-gradient(circle at 92% 12%, rgba(255, 107, 53, 0.14), transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(255, 143, 102, 0.1), transparent 55%);
  background-attachment: fixed;
  overflow-x: hidden;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}

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

a {
  color: var(--brand-deep);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

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

h1, h2, h3, h4, h5, h6 {
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 0.6em;
  font-weight: 800;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.7rem, 4.4vw, 2.9rem); }
h2 { font-size: clamp(1.4rem, 3.1vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.45rem); }
h4 { font-size: clamp(1.02rem, 1.7vw, 1.15rem); color: var(--brand-deep); }

p {
  margin: 0 0 1em;
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.35em;
}

li {
  margin-bottom: 0.45em;
}

strong {
  color: var(--ink);
}

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

.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;
}

::selection {
  background: var(--accent);
  color: #1A1A1A;
}

/* ============ HEADER ============ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-strong);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: background 0.4s var(--ease), box-shadow 0.3s var(--ease);
}

.header-inner {
  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;
}

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

.brand-logo svg {
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(255, 107, 53, 0.35);
  transition: transform 0.4s var(--ease);
}

.brand-logo:hover svg {
  transform: rotate(-6deg) scale(1.06);
}

.brand-name {
  font-size: 1.18rem;
  letter-spacing: 0.02em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

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

#main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

#main-nav li {
  margin: 0;
}

#main-nav a {
  display: inline-block;
  padding: 7px 11px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

#main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}

#main-nav a:hover,
#main-nav a:focus-visible {
  color: var(--brand-deep);
  background: rgba(255, 107, 53, 0.09);
}

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

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

#site-search {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

#site-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.14);
}

#search-input {
  border: 0;
  background: transparent;
  padding: 8px 6px 8px 16px;
  font-size: 0.88rem;
  color: var(--ink);
  width: 168px;
  outline: none;
  font-family: inherit;
}

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

#site-search button {
  border: 0;
  background: var(--grad-brand);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 16px;
  cursor: pointer;
  font-family: inherit;
  transition: filter 0.25s var(--ease), transform 0.25s var(--ease);
}

#site-search button:hover {
  filter: brightness(1.08);
}

#site-search button:active {
  transform: scale(0.96);
}

#theme-toggle,
#menu-toggle {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease), color 0.25s var(--ease);
}

#theme-toggle:hover,
#menu-toggle:hover {
  background: var(--grad-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

#menu-toggle {
  display: none;
}

/* ============ MAIN LAYOUT ============ */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px 40px;
}

main > section {
  margin: 34px 0;
  padding: clamp(22px, 3.6vw, 40px);
  background: var(--card);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease), border-color 0.4s var(--ease);
}

main > section:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 107, 53, 0.32);
}

main > section > h2 {
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 22px;
}

main > section > h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 5px;
  border-radius: 5px;
  background: var(--grad-brand);
  box-shadow: 0 3px 12px rgba(255, 107, 53, 0.4);
}

main > section h3 {
  margin-top: 1.6em;
  padding-left: 14px;
  border-left: 4px solid var(--brand);
  border-radius: 2px;
}

main > section h3:first-of-type {
  margin-top: 0.6em;
}

main > section h4 {
  margin-top: 1.2em;
}

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

#hero:hover {
  box-shadow: none !important;
  border-color: transparent !important;
}

.hero-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--grad-hero);
  box-shadow: var(--shadow-lg);
  min-height: 380px;
  isolation: isolate;
}

.hero-slider::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.35), transparent 46%),
    radial-gradient(circle at 12% 88%, rgba(255, 210, 63, 0.4), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.hero-slider::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 255, 255, 0.35);
  animation: spinSlow 26s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes spinSlow {
  to { transform: rotate(360deg); }
}

.slide {
  position: absolute;
  inset: 0;
  padding: clamp(28px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px) scale(0.99);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), visibility 0.7s;
  z-index: 1;
}

.slide.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.slide h1,
.slide h2 {
  color: #FFFFFF;
  text-shadow: 0 3px 22px rgba(120, 40, 0, 0.35);
  max-width: 21ch;
  margin-bottom: 0.4em;
}

.slide h1 {
  font-size: clamp(1.65rem, 4.2vw, 2.85rem);
  line-height: 1.22;
}

.slide p {
  color: rgba(255, 255, 255, 0.94);
  max-width: 62ch;
  font-size: clamp(0.94rem, 1.4vw, 1.06rem);
  text-shadow: 0 2px 12px rgba(120, 40, 0, 0.28);
}

.slide .cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 13px 30px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.96);
  color: var(--brand-deep);
  font-weight: 800;
  font-size: 0.98rem;
  box-shadow: 0 10px 26px rgba(120, 40, 0, 0.28);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.slide .cta::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

.slide .cta:hover {
  transform: translateY(-3px);
  background: #FFFFFF;
  box-shadow: 0 16px 36px rgba(120, 40, 0, 0.38);
  color: var(--brand-deep);
}

.slide .cta:hover::after {
  transform: translateX(5px);
}

.slide .cta:active {
  transform: translateY(-1px) scale(0.98);
}

.slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  display: flex;
  justify-content: center;
  gap: 10px;
  z-index: 3;
}

.slider-dots button,
.slider-dots .dot {
  width: 11px;
  height: 11px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: width 0.35s var(--ease), background 0.35s var(--ease), border-radius 0.35s var(--ease);
}

.slider-dots button:hover {
  background: rgba(255, 255, 255, 0.85);
}

.slider-dots .is-active,
.slider-dots button.is-active {
  width: 30px;
  border-radius: var(--radius-pill);
  background: #FFFFFF;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.7);
}

/* ============ HERO STATS ============ */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.hero-stats .stat {
  background: var(--card);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 14px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.hero-stats .stat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.hero-stats .stat:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 107, 53, 0.4);
}

.hero-stats .stat:hover::before {
  transform: scaleX(1);
}

.hero-stats .num {
  display: block;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  font-weight: 900;
  line-height: 1.1;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  letter-spacing: -0.02em;
}

.hero-stats .label {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}

/* ============ BREADCRUMB ============ */
#breadcrumb {
  margin: 20px 0 0 !important;
  padding: 0 !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

#breadcrumb:hover {
  box-shadow: none !important;
  border-color: transparent !important;
}

#breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  color: var(--muted);
}

#breadcrumb li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

#breadcrumb li + li::before {
  content: "›";
  color: var(--brand);
  font-weight: 700;
}

#breadcrumb a {
  color: var(--muted);
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

#breadcrumb a:hover {
  color: var(--brand-deep);
  background: rgba(255, 107, 53, 0.1);
}

#breadcrumb [aria-current="page"] {
  color: var(--brand-deep);
  font-weight: 700;
}

/* ============ NEWS LIST ============ */
#news ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

#news li {
  margin: 0;
  padding: 14px 18px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

#news li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
  border-left-color: var(--accent-deep);
}

#news li strong {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 107, 53, 0.12);
  color: var(--brand-deep);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

/* ============ ARTICLES ============ */
#articles article {
  position: relative;
  margin-bottom: 16px;
  padding: 22px 24px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

#articles 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 0.4s var(--ease);
}

#articles article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 107, 53, 0.36);
}

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

#articles article h3 {
  margin: 0 0 8px;
  padding-left: 0;
  border-left: 0;
  font-size: clamp(1.05rem, 1.9vw, 1.22rem);
}

#articles article h3::before {
  content: "📖";
  margin-right: 8px;
  font-size: 0.95em;
}

#articles .meta {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 210, 63, 0.2);
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 600;
}

#articles article p:not(.meta) {
  margin-bottom: 12px;
  font-size: 0.94rem;
  color: var(--muted);
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 107, 53, 0.1);
  color: var(--brand-deep);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), gap 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

#articles article a::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

#articles article a:hover {
  background: var(--grad-brand);
  color: #FFFFFF;
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.32);
}

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

/* ============ HOWTO ============ */
#howto ol {
  counter-reset: howto-step;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

#howto ol li {
  counter-increment: howto-step;
  position: relative;
  margin: 0;
  padding: 16px 18px 16px 64px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--ink-soft);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

#howto ol li::before {
  content: counter(howto-step);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #FFFFFF;
  font-weight: 900;
  font-size: 0.95rem;
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35);
}

#howto ol li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(255, 107, 53, 0.4);
}

/* ============ FAQ ============ */
#faq details {
  margin-bottom: 12px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

#faq details:hover {
  border-color: rgba(255, 107, 53, 0.36);
  box-shadow: var(--shadow-md);
}

#faq details[open] {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
}

#faq summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 16px 52px 16px 20px;
  font-weight: 700;
  color: var(--ink);
  font-size: 0.98rem;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
  user-select: none;
}

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

#faq summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.12);
  color: var(--brand-deep);
  font-weight: 900;
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease);
}

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

#faq summary:hover {
  background: rgba(255, 107, 53, 0.06);
  color: var(--brand-deep);
}

#faq details p {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 0.94rem;
  color: var(--muted);
  animation: fadeSlideIn 0.4s var(--ease);
}

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

/* ============ CONTACT ============ */
#contact ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

#contact li {
  margin: 0;
  padding: 14px 18px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

#contact li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(255, 107, 53, 0.4);
}

/* ============ 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);
  background: var(--card-solid);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

#sitemap a:hover,
#links a:hover {
  background: var(--grad-brand);
  color: #FFFFFF;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(255, 107, 53, 0.32);
}

/* ============ LEGAL ============ */
#legal h3 {
  color: var(--brand-deep);
}

#legal p {
  font-size: 0.94rem;
}

/* ============ FOOTER ============ */
#site-footer {
  background: linear-gradient(160deg, #2A1509 0%, #1A0E06 100%);
  color: rgba(255, 255, 255, 0.78);
  padding: 40px 20px 56px;
  margin-top: 20px;
  border-top: 3px solid var(--brand);
  position: relative;
  overflow: hidden;
}

html[data-theme="dark"] #site-footer {
  background: linear-gradient(160deg, #1E140F 0%, #100B08 100%);
}

#site-footer::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.3), transparent 70%);
  pointer-events: none;
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.footer-inner p {
  margin: 0 0 8px;
  font-size: 0.88rem;
}

.footer-inner p:first-child {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
}

#site-footer a {
  color: var(--accent);
  font-weight: 600;
  transition: color 0.25s var(--ease), text-shadow 0.25s var(--ease);
}

#site-footer a:hover {
  color: #FFFFFF;
  text-shadow: 0 0 12px rgba(255, 210, 63, 0.7);
}

/* ============ BACK TO TOP ============ */
#back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 90;
  border: 0;
  cursor: pointer;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  background: var(--grad-brand);
  color: #FFFFFF;
  font-family: inherit;
  font-weight: 800;
  font-size: 0.85rem;
  box-shadow: 0 10px 28px rgba(255, 107, 53, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.92);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s, filter 0.25s var(--ease);
}

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

#back-to-top:hover {
  filter: brightness(1.1);
  transform: translateY(-4px) scale(1.04);
}

#back-to-top:active {
  transform: translateY(-1px) scale(0.98);
}

/* ============ SCROLL ANIMATION ============ */
@media (prefers-reduced-motion: no-preference) {
  .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);
  }

  .reveal-delay-1 { transition-delay: 0.08s; }
  .reveal-delay-2 { transition-delay: 0.16s; }
  .reveal-delay-3 { transition-delay: 0.24s; }
  .reveal-delay-4 { transition-delay: 0.32s; }
}

@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;
  }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .header-inner {
    gap: 12px;
  }

  #main-nav a {
    padding: 6px 9px;
    font-size: 0.86rem;
  }

  #search-input {
    width: 130px;
  }
}

@media (max-width: 920px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 10px 16px;
  }

  #main-nav {
    order: 3;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s var(--ease), opacity 0.3s var(--ease);
    opacity: 0;
  }

  #site-header.nav-open #main-nav {
    max-height: 640px;
    opacity: 1;
    padding-top: 8px;
    border-top: 1px dashed var(--border);
    margin-top: 4px;
  }

  #main-nav ul {
    flex-direction: column;
    gap: 2px;
  }

  #main-nav a {
    display: block;
    padding: 10px 14px;
    font-size: 0.94rem;
    border-radius: var(--radius-sm);
  }

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

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

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

  #site-search {
    flex: 1 1 auto;
  }

  #search-input {
    width: 100%;
    min-width: 90px;
  }

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

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  main {
    padding: 0 14px 32px;
  }

  main > section {
    margin: 22px 0;
    padding: 20px 18px;
    border-radius: var(--radius);
  }

  .hero-slider {
    min-height: 420px;
  }

  .slide {
    padding: 30px 22px 54px;
  }

  .slide h1,
  .slide h2 {
    max-width: 100%;
  }

  .slide .cta {
    padding: 12px 24px;
    font-size: 0.92rem;
  }

  .header-tools {
    gap: 8px;
    flex-wrap: wrap;
  }

  #site-search {
    order: 3;
    flex-basis: 100%;
  }

  #theme-toggle,
  #menu-toggle {
    padding: 7px 12px;
    font-size: 0.8rem;
  }

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

  #howto ol li {
    padding: 14px 14px 14px 58px;
  }

  #back-to-top {
    right: 14px;
    bottom: 16px;
    padding: 10px 15px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .hero-stats .stat {
    padding: 15px 10px;
  }

  .hero-stats .label {
    font-size: 0.76rem;
  }

  #contact ul {
    grid-template-columns: 1fr;
  }

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

  .brand-logo svg {
    width: 34px;
    height: 34px;
  }

  main > section > h2 {
    padding-bottom: 12px;
    margin-bottom: 18px;
  }

  main > section > h2::after {
    width: 48px;
    height: 4px;
  }
}

/* ============ PRINT ============ */
@media print {
  #site-header,
  #back-to-top,
  .slider-dots,
  .hero-slider::after,
  .hero-slider::before {
    display: none !important;
  }

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

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

  .slide {
    position: relative !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    color: #000000;
  }

  .slide h1,
  .slide h2,
  .slide p {
    color: #000000;
    text-shadow: none;
  }
}