:root {
  --brand-primary: #e8546b;
  --brand-primary-dark: #b8324a;
  --brand-primary-soft: #fdeef1;
  --brand-secondary: #f7b7c4;
  --brand-accent: #2f6b46;
  --brand-accent-soft: #eef6f1;
  --brand-blue: #2f3f7a;
  --brand-blue-soft: #eef2fb;
  --text-main: #2b2230;
  --text-sub: #6d5f6a;
  --text-faint: #9a8d96;
  --bg-body: #fffafb;
  --bg-surface: #ffffff;
  --bg-soft: #fdf3f5;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --border-soft: rgba(232, 84, 107, 0.14);
  --border-line: rgba(43, 34, 48, 0.08);
  --shadow-sm: 0 2px 10px rgba(184, 50, 74, 0.06);
  --shadow-md: 0 10px 30px rgba(184, 50, 74, 0.10);
  --shadow-lg: 0 22px 60px rgba(184, 50, 74, 0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --gradient-brand: linear-gradient(135deg, #e8546b 0%, #f28aa0 45%, #f7b7c4 100%);
  --gradient-soft: linear-gradient(135deg, #fdeef1 0%, #fff6f8 60%, #ffffff 100%);
  --gradient-hero: linear-gradient(135deg, #fdeef1 0%, #f7dfe6 40%, #eef2fb 100%);
  --gradient-footer: linear-gradient(160deg, #2b2230 0%, #3a2b36 60%, #4a3340 100%);
  --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: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

[data-theme="dark"] {
  --brand-primary: #f0708a;
  --brand-primary-dark: #f28aa0;
  --brand-primary-soft: #3a2530;
  --brand-secondary: #8a4a5c;
  --brand-accent: #7fbf9a;
  --brand-accent-soft: #1f2e26;
  --brand-blue: #9aa8e0;
  --brand-blue-soft: #232a44;
  --text-main: #f3ecf0;
  --text-sub: #c3b4bd;
  --text-faint: #8d7f88;
  --bg-body: #16111a;
  --bg-surface: #1f1824;
  --bg-soft: #241c2a;
  --bg-glass: rgba(31, 24, 36, 0.72);
  --border-soft: rgba(240, 112, 138, 0.22);
  --border-line: rgba(243, 236, 240, 0.10);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 22px 60px rgba(0, 0, 0, 0.55);
  --gradient-brand: linear-gradient(135deg, #f0708a 0%, #d95a78 45%, #a8455f 100%);
  --gradient-soft: linear-gradient(135deg, #2a1f2c 0%, #241c2a 60%, #1f1824 100%);
  --gradient-hero: linear-gradient(135deg, #2a1f2c 0%, #33232f 40%, #232a44 100%);
  --gradient-footer: linear-gradient(160deg, #120d15 0%, #1a131e 60%, #241c2a 100%);
}

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

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

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% 8%, rgba(232, 84, 107, 0.07), transparent 42%),
    radial-gradient(circle at 88% 18%, rgba(47, 63, 122, 0.06), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(47, 107, 70, 0.05), transparent 45%);
  background-attachment: fixed;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

ul,
ol {
  list-style: none;
}

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

h1, h2, h3, h4 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.75rem, 4.2vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.12rem, 2vw, 1.4rem); }

p { color: var(--text-sub); }

.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-line);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

#site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.top-bar {
  background: var(--gradient-brand);
  color: #fff;
  text-align: center;
  padding: 7px 16px;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.top-bar p {
  color: rgba(255, 255, 255, 0.94);
  margin: 0;
  font-size: 0.8rem;
}

.header-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.header-main > a svg {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.header-main > a:hover svg {
  transform: rotate(-8deg) scale(1.06);
  box-shadow: var(--shadow-md);
}

.brand-name {
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: var(--gradient-brand);
  -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;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
}

#main-nav a {
  display: block;
  padding: 8px 13px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-sub);
  border-radius: var(--radius-sm);
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast);
}

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

#main-nav a:hover,
#main-nav a:focus-visible {
  color: var(--brand-primary-dark);
  background: var(--brand-primary-soft);
}

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

#site-search {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 3px 3px 3px 16px;
  flex-shrink: 0;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

#site-search:focus-within {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 4px rgba(232, 84, 107, 0.12);
}

#search-input {
  border: none;
  background: transparent;
  font-size: 0.86rem;
  color: var(--text-main);
  width: 150px;
  padding: 6px 0;
  outline: none;
}

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

#site-search button {
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 999px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

#site-search button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  filter: brightness(1.06);
}

#mobile-menu-toggle,
#theme-toggle {
  display: none;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-sub);
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: var(--bg-surface);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

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

#mobile-menu-toggle:hover,
#theme-toggle:hover {
  color: var(--brand-primary-dark);
  border-color: var(--brand-primary);
  background: var(--brand-primary-soft);
  transform: translateY(-1px);
}

/* ============ BREADCRUMB ============ */
#breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 20px 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--text-faint);
}

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

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

#breadcrumb a {
  color: var(--text-sub);
  padding: 2px 4px;
  border-radius: 4px;
}

#breadcrumb a:hover {
  color: var(--brand-primary-dark);
  background: var(--brand-primary-soft);
}

#breadcrumb li[aria-current="page"] {
  color: var(--brand-primary-dark);
  font-weight: 600;
}

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

#main-content > section {
  padding: 52px 0;
  border-bottom: 1px solid var(--border-line);
}

#main-content > section:last-of-type {
  border-bottom: none;
}

#main-content > section > h2 {
  position: relative;
  padding-left: 18px;
  margin-bottom: 22px;
}

#main-content > section > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 5px;
  border-radius: 4px;
  background: var(--gradient-brand);
}

#main-content h3 {
  margin: 30px 0 12px;
  color: var(--text-main);
}

#main-content p {
  margin-bottom: 14px;
}

#main-content ul,
#main-content ol {
  margin: 14px 0 20px;
  padding-left: 0;
}

#main-content > section > ul > li,
#main-content > section > ol > li {
  position: relative;
  padding: 10px 14px 10px 42px;
  margin-bottom: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  color: var(--text-sub);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

#main-content > section > ul > li::before,
#main-content > section > ol > li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gradient-brand);
  transform: translateY(-50%);
  box-shadow: 0 0 0 4px rgba(232, 84, 107, 0.10);
}

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

#main-content > section > ol > li::before {
  content: counter(step);
  counter-increment: step;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

#main-content > section > ul > li:hover,
#main-content > section > ol > li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-soft);
}

/* ============ HERO ============ */
#hero {
  position: relative;
  padding: 56px 0 60px !important;
  border-bottom: none !important;
}

#hero::before {
  content: "";
  position: absolute;
  inset: -40px -20px 0;
  background: var(--gradient-hero);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  z-index: -1;
  opacity: 0.85;
}

#hero h1 {
  margin-bottom: 20px;
  background: linear-gradient(120deg, var(--text-main) 30%, var(--brand-primary-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

#hero > p {
  font-size: 1.06rem;
  max-width: 820px;
  margin-bottom: 36px;
}

/* ============ CAROUSEL ============ */
#banner-carousel {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--bg-surface);
  aspect-ratio: 800 / 320;
  margin-bottom: 40px;
}

#banner-carousel .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.04);
  transition: opacity var(--transition-slow), transform var(--transition-slow), visibility var(--transition-slow);
}

#banner-carousel .slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

#banner-carousel .slide svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#banner-carousel .slide p {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 30px 32px 22px;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  background: linear-gradient(to top, rgba(43, 34, 48, 0.72), transparent);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-main);
  font-size: 0;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
  z-index: 5;
}

.carousel-prev::before,
.carousel-next::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
}

.carousel-prev::before {
  transform: translate(-35%, -50%) rotate(-135deg);
}

.carousel-next::before {
  transform: translate(-65%, -50%) rotate(45deg);
}

.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }

.carousel-prev:hover,
.carousel-next:hover {
  background: var(--brand-primary);
  color: #fff;
  transform: translateY(-50%) scale(1.1);
  box-shadow: var(--shadow-lg);
}

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

#hero-stats li {
  position: relative;
  padding: 26px 18px;
  text-align: center;
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

#hero-stats li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

#hero-stats li:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

#hero-stats li:hover::before {
  transform: scaleX(1);
}

#hero-stats strong {
  display: block;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 800;
  line-height: 1.1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

#hero-stats span {
  font-size: 0.84rem;
  color: var(--text-sub);
  letter-spacing: 0.02em;
}

/* ============ CASES ============ */
#cases blockquote {
  position: relative;
  margin: 18px 0;
  padding: 22px 26px 22px 54px;
  background: var(--bg-soft);
  border-left: 4px solid var(--brand-primary);
  border-radius: var(--radius-md);
  color: var(--text-sub);
  font-style: italic;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

#cases blockquote::before {
  content: "\201C";
  position: absolute;
  left: 16px;
  top: 6px;
  font-size: 3rem;
  line-height: 1;
  color: var(--brand-primary);
  opacity: 0.35;
  font-family: Georgia, serif;
}

#cases blockquote p {
  margin: 0;
  color: var(--text-sub);
}

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

/* ============ NEWS ============ */
#news > ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

#news > ul > li {
  display: flex;
  flex-direction: column;
  padding: 24px !important;
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-line) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base) !important;
}

#news > ul > li::before {
  display: none !important;
}

#news > ul > li:hover {
  transform: translateY(-8px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: var(--border-soft) !important;
}

#news li h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

#news li h3 a {
  color: var(--text-main);
}

#news li h3 a:hover {
  color: var(--brand-primary-dark);
}

#news li time {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--brand-primary-dark);
  background: var(--brand-primary-soft);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  width: fit-content;
  font-weight: 600;
}

#news li p {
  margin: 0;
  font-size: 0.92rem;
}

/* ============ ARTICLES ============ */
#articles {
  display: block;
}

#articles > p {
  margin-bottom: 26px;
}

#articles article {
  position: relative;
  padding: 26px 28px;
  margin-bottom: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

#articles article::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-brand);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

#articles article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-soft);
}

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

#articles article h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

#articles article time {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 10px;
}

#articles article p {
  font-size: 0.94rem;
  margin-bottom: 14px;
}

#articles article > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brand-primary-dark);
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--brand-primary-soft);
  transition: all var(--transition-fast);
}

#articles article > a::after {
  content: "\2192";
  transition: transform var(--transition-fast);
}

#articles article > a:hover {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

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

/* ============ HOWTO ============ */
#howto {
  background: var(--gradient-soft);
  border-radius: var(--radius-xl);
  padding: 48px 40px !important;
  margin: 40px 0;
  border: 1px solid var(--border-soft) !important;
}

#howto > ol {
  counter-reset: howto;
}

#howto > ol > li {
  background: var(--bg-surface) !important;
}

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

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

#faq summary {
  position: relative;
  padding: 18px 52px 18px 22px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

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

#faq summary::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--brand-primary);
  border-bottom: 2px solid var(--brand-primary);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--transition-base);
}

#faq details[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

#faq summary:hover {
  background: var(--brand-primary-soft);
  color: var(--brand-primary-dark);
}

#faq details p {
  padding: 0 22px 20px;
  margin: 0;
  font-size: 0.93rem;
  animation: faqFade 0.4s ease;
}

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

/* ============ KNOWLEDGE ============ */
#knowledge {
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-xl);
  padding: 44px 40px !important;
  border: 1px solid var(--border-soft) !important;
  margin: 40px 0;
}

#knowledge p {
  font-size: 0.98rem;
}

/* ============ CONTACT ============ */
#contact address {
  font-style: normal;
}

#contact address ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 20px;
}

#contact address li {
  padding: 16px 20px !important;
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-line) !important;
  border-radius: var(--radius-md) !important;
  font-size: 0.92rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base) !important;
}

#contact address li::before {
  display: none !important;
}

#contact address li:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow-md) !important;
}

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

/* ============ SITEMAP & LINKS ============ */
#sitemap nav ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

#sitemap nav li {
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
}

#sitemap nav li::before {
  display: none !important;
}

#sitemap nav a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-sub);
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  text-align: center;
  transition: all var(--transition-fast);
}

#sitemap nav a:hover {
  color: #fff;
  background: var(--gradient-brand);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

#links li {
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
}

#links li::before {
  display: none !important;
}

#links a {
  display: inline-block;
  padding: 9px 22px;
  font-size: 0.88rem;
  color: var(--text-sub);
  background: var(--bg-surface);
  border: 1px dashed var(--border-soft);
  border-radius: 999px;
  transition: all var(--transition-fast);
}

#links a:hover {
  color: var(--brand-primary-dark);
  border-style: solid;
  border-color: var(--brand-primary);
  background: var(--brand-primary-soft);
  transform: translateY(-2px);
}

/* ============ LEGAL ============ */
#legal {
  background: var(--bg-soft);
  border-radius: var(--radius-xl);
  padding: 44px 40px !important;
  border: 1px solid var(--border-line) !important;
  margin: 40px 0;
}

#legal h3 {
  margin-top: 26px;
  font-size: 1.08rem;
}

#legal h3:first-of-type {
  margin-top: 0;
}

/* ============ UPDATES ============ */
#updates {
  text-align: center;
  padding: 44px 24px !important;
  background: var(--gradient-soft);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-soft) !important;
  margin: 40px 0 0;
}

#updates h2 {
  padding-left: 0 !important;
}

#updates h2::before {
  display: none !important;
}

#updates p {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ============ FOOTER ============ */
#site-footer {
  background: var(--gradient-footer);
  color: rgba(255, 255, 255, 0.82);
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}

#site-footer::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 84, 107, 0.28), transparent 68%);
  pointer-events: none;
}

#site-footer::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 63, 122, 0.24), transparent 68%);
  pointer-events: none;
}

.footer-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 20px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.footer-main h2 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-main h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient-brand);
}

.footer-main p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-main ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-main li {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.68);
}

.footer-main a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.88rem;
  position: relative;
  display: inline-block;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-main a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding: 22px 20px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.8rem;
  margin: 4px 0;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.8rem;
}

.footer-bottom a:hover {
  color: var(--brand-secondary);
}

/* ============ BACK TO TOP ============ */
#back-to-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 999;
  width: 52px;
  height: 52px;
  font-size: 0;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.85);
  transition: all var(--transition-base);
}

#back-to-top::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  border-top: 2.5px solid #fff;
  border-left: 2.5px solid #fff;
  transform: translate(-50%, -30%) rotate(45deg);
}

#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 26px 60px rgba(232, 84, 107, 0.4);
}

/* ============ SCROLL ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  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);
}

#main-content > section > h2,
#main-content > section > h3 {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

#main-content > section.is-visible > h2,
#main-content > section.is-visible > h3 {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  #main-nav a {
    padding: 8px 10px;
    font-size: 0.85rem;
  }

  #search-input {
    width: 110px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-main > section:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 64px;
  }

  .header-main {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 16px;
  }

  #mobile-menu-toggle {
    display: inline-block;
    margin-left: auto;
  }

  #main-nav {
    order: 10;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), opacity var(--transition-base);
    opacity: 0;
  }

  #main-nav.is-open {
    max-height: 480px;
    opacity: 1;
    padding-top: 8px;
  }

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

  #main-nav a {
    padding: 12px 16px;
    font-size: 0.95rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-sm);
  }

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

  #site-search {
    order: 5;
    flex-basis: 100%;
    padding-left: 16px;
  }

  #search-input {
    width: 100%;
    flex: 1;
  }

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

  #howto,
  #knowledge,
  #legal {
    padding: 34px 24px !important;
    border-radius: var(--radius-lg);
  }

  #main-content > section {
    padding: 40px 0;
  }
}

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

  .top-bar p {
    font-size: 0.72rem;
    line-height: 1.5;
  }

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

  .brand-name {
    font-size: 1.05rem;
  }

  .header-main > a svg {
    width: 38px;
    height: 38px;
  }

  #theme-toggle,
  #mobile-menu-toggle {
    padding: 8px 12px;
    font-size: 0.78rem;
  }

  #breadcrumb {
    padding: 14px 14px 4px;
    font-size: 0.78rem;
  }

  #main-content {
    padding: 0 14px 44px;
  }

  #hero {
    padding: 36px 0 44px !important;
  }

  #hero::before {
    inset: -20px -14px 0;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

  #banner-carousel {
    border-radius: var(--radius-md);
    aspect-ratio: 4 / 3;
  }

  #banner-carousel .slide p {
    padding: 20px 18px 16px;
    font-size: 0.86rem;
  }

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

  .carousel-prev { left: 10px; }
  .carousel-next { right: 10px; }

  #hero-stats {
    gap: 12px;
  }

  #hero-stats li {
    padding: 20px 12px;
    border-radius: var(--radius-md);
  }

  #hero-stats span {
    font-size: 0.76rem;
  }

  #main-content > section > h2 {
    padding-left: 14px;
  }

  #main-content > section > h2::before {
    width: 4px;
  }

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

  #articles article {
    padding: 20px 18px;
    border-radius: var(--radius-md);
  }

  #faq summary {
    padding: 15px 44px 15px 16px;
    font-size: 0.92rem;
  }

  #faq details p {
    padding: 0 16px 16px;
    font-size: 0.88rem;
  }

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

  #sitemap nav ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 16px 30px;
  }

  .footer-bottom {
    padding: 18px 14px;
  }

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

/* ============ MOTION PREFERENCE ============ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  #main-content > section > h2,
  #main-content > section > h3 {
    opacity: 1;
    transform: none;
  }
}

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

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

  a {
    color: #000;
    text-decoration: underline;
  }
}