:root {
  --sakura-50: #fff5f8;
  --sakura-100: #fde8ef;
  --sakura-200: #fbcfe0;
  --sakura-300: #f7a8c4;
  --sakura-400: #f17ba6;
  --sakura-500: #e85a8c;
  --sakura-600: #d13d72;
  --sakura-700: #a92d5b;
  --sakura-800: #7d2144;
  --sakura-900: #52162d;
  --accent: #6b5bd2;
  --accent-soft: #8f82e8;
  --gold: #f6c453;
  --text: #2b2330;
  --text-soft: #5c5468;
  --text-mute: #8a8199;
  --bg: #fffafc;
  --bg-alt: #fff3f7;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.62);
  --border: rgba(232, 90, 140, 0.16);
  --border-strong: rgba(232, 90, 140, 0.3);
  --shadow-sm: 0 2px 8px rgba(125, 33, 68, 0.06);
  --shadow-md: 0 10px 30px rgba(125, 33, 68, 0.1);
  --shadow-lg: 0 22px 60px rgba(125, 33, 68, 0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 132px;
  color-scheme: light;
}

html[data-theme="dark"],
body.dark-mode {
  --text: #f2e9f0;
  --text-soft: #cbbfd2;
  --text-mute: #9c8fa8;
  --bg: #17121c;
  --bg-alt: #1d1623;
  --surface: #241b2d;
  --surface-glass: rgba(36, 27, 45, 0.62);
  --border: rgba(247, 168, 196, 0.16);
  --border-strong: rgba(247, 168, 196, 0.34);
  --sakura-50: #2a1a25;
  --sakura-100: #34202e;
  --sakura-200: #452a3b;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 22px 60px rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 8% -10%, rgba(247, 168, 196, 0.35), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(143, 130, 232, 0.22), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  overflow-x: hidden;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(232, 90, 140, 0.08) 0 2px, transparent 3px),
    radial-gradient(circle at 72% 64%, rgba(107, 91, 210, 0.07) 0 2px, transparent 3px);
  background-size: 220px 220px, 280px 280px;
  opacity: 0.7;
}

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

a {
  color: var(--sakura-600);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

a:hover,
a:focus-visible {
  color: var(--sakura-500);
}

html[data-theme="dark"] a,
body.dark-mode a {
  color: var(--sakura-300);
}

h1, h2, h3, h4 {
  line-height: 1.3;
  margin: 0 0 0.6em;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

h1 {
  font-size: clamp(1.75rem, 4.2vw, 2.9rem);
  background: linear-gradient(120deg, var(--sakura-600), var(--accent) 55%, var(--sakura-500));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

h2 {
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  position: relative;
  padding-left: 18px;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 6px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--sakura-400), var(--accent-soft));
}

h3 {
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  color: var(--sakura-700);
}

html[data-theme="dark"] h3,
body.dark-mode h3 {
  color: var(--sakura-300);
}

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

ul, ol {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
  color: var(--text-soft);
}

li {
  margin-bottom: 0.45em;
}

strong {
  color: var(--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;
}

:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 3px;
  border-radius: 6px;
}

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

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 6px clamp(16px, 4vw, 48px);
  font-size: 0.78rem;
  color: var(--text-mute);
  background: linear-gradient(90deg, rgba(232, 90, 140, 0.1), rgba(107, 91, 210, 0.1));
  border-bottom: 1px solid var(--border);
}

.topbar p {
  margin: 0;
  color: var(--text-mute);
  font-size: 0.78rem;
}

.topbar nav {
  display: flex;
  gap: 18px;
}

.topbar nav a {
  color: var(--text-soft);
  font-size: 0.78rem;
  position: relative;
}

.topbar nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--sakura-400);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.topbar nav a:hover::after {
  transform: scaleX(1);
}

.brandbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  padding: 12px clamp(16px, 4vw, 48px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: var(--text);
}

.logo svg {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  box-shadow: 0 6px 18px rgba(232, 90, 140, 0.3);
  transition: transform 0.5s var(--ease), box-shadow 0.4s var(--ease);
}

.logo:hover svg {
  transform: rotate(-12deg) scale(1.06);
  box-shadow: 0 10px 26px rgba(232, 90, 140, 0.45);
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.2;
  letter-spacing: 0.04em;
  background: linear-gradient(120deg, var(--sakura-600), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.logo-text small {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  -webkit-text-fill-color: var(--text-mute);
  color: var(--text-mute);
}

.main-nav {
  flex: 1 1 320px;
  min-width: 0;
}

.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav li {
  margin: 0;
}

.main-nav a {
  display: inline-block;
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--sakura-600);
  background: var(--sakura-100);
  transform: translateY(-2px);
}

html[data-theme="dark"] .main-nav a:hover,
body.dark-mode .main-nav a:hover {
  color: var(--sakura-200);
  background: var(--sakura-200);
}

.site-search {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 1 300px;
  min-width: 180px;
  padding: 4px 4px 4px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.site-search:focus-within {
  border-color: var(--sakura-400);
  box-shadow: 0 0 0 4px rgba(232, 90, 140, 0.14);
}

.site-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--text);
  padding: 6px 0;
  outline: none;
}

.site-search input::placeholder {
  color: var(--text-mute);
}

.site-search button {
  border: 0;
  cursor: pointer;
  padding: 8px 18px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(120deg, var(--sakura-500), var(--accent));
  box-shadow: 0 6px 16px rgba(232, 90, 140, 0.32);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), filter 0.25s var(--ease);
}

.site-search button:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 10px 22px rgba(232, 90, 140, 0.42);
}

.site-search button:active {
  transform: translateY(0) scale(0.97);
}

#theme-toggle,
#menu-toggle {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

#theme-toggle:hover,
#menu-toggle:hover {
  transform: translateY(-2px) rotate(8deg);
  background: var(--sakura-100);
  box-shadow: var(--shadow-md);
}

#menu-toggle {
  display: none;
}

/* ============ Main layout ============ */
main {
  position: relative;
  z-index: 1;
  display: block;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px) 40px;
}

.breadcrumb {
  padding: 18px 0 6px;
  font-size: 0.82rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-mute);
}

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

.breadcrumb li + li::before {
  content: "›";
  color: var(--text-mute);
}

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

.breadcrumb a:hover {
  color: var(--sakura-500);
}

/* ============ Sections ============ */
main > section {
  position: relative;
  margin: 22px 0;
  padding: clamp(20px, 3.4vw, 40px);
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  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);
  animation: rise-in 0.7s var(--ease) both;
  animation-timeline: view();
  animation-range: entry 0% cover 26%;
}

@supports not (animation-timeline: view()) {
  main > section {
    animation: none;
  }
}

main > section:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============ Hero ============ */
#hero {
  margin-top: 14px;
  padding: clamp(24px, 4.5vw, 56px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(900px 400px at 85% -20%, rgba(143, 130, 232, 0.35), transparent 60%),
    linear-gradient(135deg, rgba(232, 90, 140, 0.92), rgba(209, 61, 114, 0.86) 42%, rgba(107, 91, 210, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  isolation: isolate;
}

#hero::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.34), transparent 65%);
  filter: blur(6px);
  z-index: -1;
  animation: float-slow 14s ease-in-out infinite;
}

#hero::after {
  content: "";
  position: absolute;
  inset: auto auto -30% -8%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(246, 196, 83, 0.32), transparent 68%);
  filter: blur(8px);
  z-index: -1;
  animation: float-slow 18s ease-in-out infinite reverse;
}

@keyframes float-slow {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-24px, 22px, 0) scale(1.08); }
}

#hero h1 {
  -webkit-text-fill-color: #fff;
  color: #fff;
  text-shadow: 0 4px 24px rgba(82, 22, 45, 0.35);
  margin-bottom: 0.5em;
}

#hero .lead {
  max-width: 68ch;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.95rem, 1.4vw, 1.06rem);
  text-shadow: 0 2px 12px rgba(82, 22, 45, 0.28);
}

/* Hero slider */
.hero-slider {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 26px 0 8px;
}

.hero-slider .slide {
  margin: 0;
  padding: 20px 20px 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  box-shadow: 0 10px 30px rgba(82, 22, 45, 0.18);
  transition: transform 0.4s var(--ease), background-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.hero-slider .slide:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.24);
  box-shadow: 0 18px 40px rgba(82, 22, 45, 0.28);
}

.hero-slider .slide h2 {
  padding-left: 0;
  font-size: 1.12rem;
  color: #fff;
  margin-bottom: 0.5em;
}

.hero-slider .slide h2::before {
  display: none;
}

.hero-slider .slide p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9rem;
  line-height: 1.7;
}

.slider-controls {
  position: absolute;
  right: 4px;
  bottom: -18px;
  display: flex;
  gap: 8px;
}

.slider-controls button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.22);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.slider-controls button:hover {
  transform: scale(1.12);
  background: rgba(255, 255, 255, 0.38);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
}

.stats > div {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  text-align: center;
  transition: transform 0.35s var(--ease), background-color 0.35s var(--ease);
}

.stats > div:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.24);
}

.stats dt {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 4px;
}

.stats dd {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 3px 16px rgba(82, 22, 45, 0.3);
}

.stats .counter {
  font-variant-numeric: tabular-nums;
}

/* ============ Anchor nav ============ */
.anchor-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  margin: 20px 0;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.anchor-nav ul {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}

.anchor-nav li {
  margin: 0;
}

.anchor-nav a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-soft);
  background: transparent;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.anchor-nav a:hover {
  color: #fff;
  background: linear-gradient(120deg, var(--sakura-500), var(--accent));
  transform: translateY(-2px);
}

/* ============ Timeline ============ */
.timeline {
  position: relative;
  margin: 24px 0 0;
  padding: 0 0 0 28px;
  list-style: none;
  border-left: 2px dashed var(--border-strong);
}

.timeline li {
  position: relative;
  margin: 0 0 22px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -37px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sakura-400), var(--accent-soft));
  box-shadow: 0 0 0 4px var(--sakura-100);
}

.timeline li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.timeline h3 {
  margin-bottom: 0.35em;
}

.timeline p {
  margin: 0;
}

/* ============ Cards for articles / news ============ */
#news article,
#articles article {
  position: relative;
  margin: 0 0 16px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  overflow: hidden;
}

#news article::after,
#articles article::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--sakura-400), var(--accent-soft));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s var(--ease);
}

#news article:hover,
#articles article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

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

#news article h3,
#articles article h3 {
  margin-bottom: 0.35em;
}

#news time,
#articles time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-mute);
  margin-bottom: 0.6em;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--sakura-50);
  border: 1px solid var(--border);
}

#news article a,
#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--sakura-600);
}

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

#news article a:hover::after,
#articles article a:hover::after {
  transform: translateX(5px);
}

/* ============ FAQ ============ */
#faq details {
  margin: 0 0 12px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

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

#faq summary {
  position: relative;
  cursor: pointer;
  padding: 16px 52px 16px 20px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  transition: background-color 0.3s var(--ease), color 0.3s 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;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--sakura-600);
  background: var(--sakura-100);
  transition: transform 0.35s var(--ease), background-color 0.3s var(--ease);
}

#faq details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  background: var(--sakura-200);
}

#faq summary:hover {
  background: var(--sakura-50);
  color: var(--sakura-700);
}

html[data-theme="dark"] #faq summary:hover,
body.dark-mode #faq summary:hover {
  color: var(--sakura-200);
}

#faq details p {
  margin: 0;
  padding: 0 20px 18px;
  animation: fade-down 0.35s var(--ease) both;
}

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

/* ============ Testimonials ============ */
#testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

#testimonials h2 {
  grid-column: 1 / -1;
}

#testimonials blockquote {
  position: relative;
  margin: 0;
  padding: 24px 22px 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, var(--surface), var(--sakura-50));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

#testimonials blockquote::before {
  content: "“";
  position: absolute;
  top: 2px;
  left: 14px;
  font-size: 3rem;
  line-height: 1;
  color: var(--sakura-300);
  opacity: 0.7;
}

#testimonials blockquote:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--shadow-md);
}

#testimonials blockquote p {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 0.94rem;
}

#testimonials blockquote footer {
  font-size: 0.82rem;
  color: var(--text-mute);
  border-top: 1px dashed var(--border-strong);
  padding-top: 10px;
}

/* ============ HowTo ============ */
#howto ol {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}

#howto ol > li {
  position: relative;
  padding: 12px 16px 12px 54px;
  margin-bottom: 10px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

#howto ol > li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-500), var(--accent));
  box-shadow: 0 4px 12px rgba(232, 90, 140, 0.3);
}

#howto ol > li:hover {
  transform: translateX(5px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

#howto ul li {
  position: relative;
  list-style: none;
  padding-left: 22px;
}

#howto ul {
  padding-left: 0;
}

#howto ul li::before {
  content: "❀";
  position: absolute;
  left: 0;
  color: var(--sakura-400);
  font-size: 0.9em;
}

/* ============ Contact ============ */
#contact address {
  font-style: normal;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

#contact address p {
  margin: 0 0 8px;
}

#contact address p:last-child {
  margin-bottom: 0;
}

#contact a[href^="tel"],
#contact a[href^="mailto"] {
  font-weight: 600;
  word-break: break-word;
}

/* ============ Sitemap & Links ============ */
#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 0;
  list-style: none;
}

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

#sitemap a,
#links a {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.28s var(--ease), color 0.28s var(--ease), background-color 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

#sitemap a:hover,
#links a:hover {
  color: #fff;
  background: linear-gradient(120deg, var(--sakura-500), var(--accent));
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(232, 90, 140, 0.3);
}

/* ============ Footer ============ */
#site-footer {
  position: relative;
  z-index: 1;
  margin-top: 30px;
  padding: clamp(28px, 4vw, 48px) clamp(16px, 4vw, 48px) 26px;
  background:
    radial-gradient(800px 300px at 12% 0%, rgba(232, 90, 140, 0.16), transparent 60%),
    radial-gradient(700px 300px at 92% 100%, rgba(107, 91, 210, 0.16), transparent 60%),
    var(--bg-alt);
  border-top: 1px solid var(--border);
}

#site-footer > section {
  max-width: 1200px;
  margin: 0 auto 20px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

#site-footer > section:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

#site-footer h2 {
  font-size: 1.02rem;
  padding-left: 14px;
  margin-bottom: 0.5em;
}

#site-footer h2::before {
  width: 4px;
}

#site-footer p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
}

.footer-meta {
  max-width: 1200px;
  margin: 22px auto 0;
  padding-top: 18px;
  border-top: 1px dashed var(--border-strong);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

/* ============ Back to top ============ */
#back-to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 90;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-500), var(--accent));
  box-shadow: 0 12px 28px rgba(232, 90, 140, 0.38);
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

#back-to-top.is-visible,
#back-to-top:focus-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

#back-to-top:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 18px 40px rgba(232, 90, 140, 0.5);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  :root {
    --header-h: 118px;
  }

  .site-search {
    flex: 1 1 220px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 108px;
  }

  .brandbar {
    gap: 10px 12px;
  }

  .main-nav {
    order: 5;
    flex-basis: 100%;
    display: none;
  }

  .main-nav.is-open {
    display: block;
    animation: fade-down 0.3s var(--ease) both;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 2px;
    padding: 8px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .main-nav a {
    display: block;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
  }

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

  .site-search {
    order: 6;
    flex-basis: 100%;
  }

  .anchor-nav {
    position: static;
    border-radius: var(--radius-md);
  }

  #hero::before,
  #hero::after {
    opacity: 0.7;
  }

  .slider-controls {
    position: static;
    justify-content: flex-end;
    margin-top: 14px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
    line-height: 1.7;
  }

  .topbar {
    justify-content: center;
    text-align: center;
    gap: 4px 14px;
    padding: 6px 14px;
  }

  .topbar p {
    font-size: 0.72rem;
  }

  .topbar nav {
    gap: 12px;
  }

  .topbar nav a {
    font-size: 0.72rem;
  }

  .brandbar {
    padding: 10px 14px;
  }

  .logo svg {
    width: 38px;
    height: 38px;
  }

  .logo-text {
    font-size: 1rem;
  }

  #theme-toggle,
  #menu-toggle {
    width: 38px;
    height: 38px;
  }

  main {
    padding: 0 12px 30px;
  }

  main > section {
    padding: 18px 16px;
    border-radius: var(--radius-md);
    margin: 16px 0;
  }

  #hero {
    padding: 22px 18px;
    border-radius: var(--radius-lg);
  }

  .hero-slider {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 26px;
  }

  .stats > div {
    padding: 12px 10px;
  }

  .timeline {
    padding-left: 20px;
  }

  .timeline li::before {
    left: -29px;
    width: 12px;
    height: 12px;
  }

  .timeline li {
    padding: 14px 14px;
  }

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

  #faq summary {
    padding: 14px 46px 14px 16px;
    font-size: 0.95rem;
  }

  #faq details p {
    padding: 0 16px 16px;
  }

  #testimonials {
    grid-template-columns: 1fr;
  }

  #howto ol > li {
    padding: 10px 12px 10px 46px;
  }

  #contact address {
    padding: 16px;
  }

  #site-footer {
    padding: 22px 12px 20px;
  }

  #site-footer > section {
    padding: 14px 16px;
  }

  #back-to-top {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 380px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .site-search button {
    padding: 8px 12px;
  }
}

/* ============ Motion & a11y ============ */
@media (hover: none) {
  #news article:hover,
  #articles article:hover,
  #testimonials blockquote:hover,
  .hero-slider .slide:hover,
  .stats > div:hover,
  .timeline li:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media print {
  #site-header,
  .anchor-nav,
  #back-to-top,
  .slider-controls {
    display: none !important;
  }

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

  main > section {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}
</div>