:root {
  --sakura-pink: #f7a8b8;
  --sakura-pink-light: #fdeef2;
  --sakura-pink-deep: #e8869a;
  --sakura-rose: #d46a80;
  --sakura-text: #3d2b30;
  --sakura-text-soft: #7a5a62;
  --sakura-text-muted: #a88b92;
  --sakura-bg: #fffafb;
  --sakura-bg-alt: #fdf3f5;
  --sakura-surface: #ffffff;
  --sakura-surface-glass: rgba(255, 255, 255, 0.72);
  --sakura-border: rgba(247, 168, 184, 0.28);
  --sakura-border-soft: rgba(247, 168, 184, 0.16);
  --sakura-shadow-sm: 0 2px 10px rgba(212, 106, 128, 0.08);
  --sakura-shadow: 0 8px 28px rgba(212, 106, 128, 0.12);
  --sakura-shadow-lg: 0 18px 48px rgba(212, 106, 128, 0.16);
  --sakura-glow: 0 0 0 3px rgba(247, 168, 184, 0.22);
  --sakura-radius-sm: 10px;
  --sakura-radius: 16px;
  --sakura-radius-lg: 24px;
  --sakura-radius-pill: 999px;
  --sakura-gradient: linear-gradient(135deg, #fdeef2 0%, #f7a8b8 52%, #f9c6d3 100%);
  --sakura-gradient-soft: linear-gradient(135deg, #fff5f8 0%, #fdeef2 45%, #fce4ea 100%);
  --sakura-gradient-green: linear-gradient(135deg, #eef7f4 0%, #a8d8c6 100%);
  --sakura-gradient-blue: linear-gradient(135deg, #eef2fb 0%, #a8b8e8 100%);
  --sakura-header-h: 68px;
  --sakura-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --sakura-mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --sakura-transition: 0.32s cubic-bezier(0.22, 0.68, 0.36, 1);
}

[data-theme="dark"] {
  --sakura-pink: #f2a0b4;
  --sakura-pink-light: #3a2830;
  --sakura-pink-deep: #f7b8c6;
  --sakura-rose: #f0a8b8;
  --sakura-text: #f4e9ec;
  --sakura-text-soft: #d4bcc3;
  --sakura-text-muted: #a88b92;
  --sakura-bg: #17121a;
  --sakura-bg-alt: #1e1721;
  --sakura-surface: #241c28;
  --sakura-surface-glass: rgba(36, 28, 40, 0.72);
  --sakura-border: rgba(242, 160, 180, 0.22);
  --sakura-border-soft: rgba(242, 160, 180, 0.12);
  --sakura-shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.32);
  --sakura-shadow: 0 8px 28px rgba(0, 0, 0, 0.42);
  --sakura-shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55);
  --sakura-glow: 0 0 0 3px rgba(242, 160, 180, 0.18);
  --sakura-gradient: linear-gradient(135deg, #2a1f2e 0%, #4a2f3a 52%, #5a3542 100%);
  --sakura-gradient-soft: linear-gradient(135deg, #1e1721 0%, #2a1f2e 45%, #33242a 100%);
  --sakura-gradient-green: linear-gradient(135deg, #1a2420 0%, #2f4a40 100%);
  --sakura-gradient-blue: linear-gradient(135deg, #1a1f2e 0%, #2f3a5a 100%);
}

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

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

body {
  font-family: var(--sakura-font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--sakura-text);
  background-color: var(--sakura-bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(247, 168, 184, 0.14), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(249, 198, 211, 0.16), transparent 38%),
    radial-gradient(circle at 50% 100%, rgba(247, 168, 184, 0.08), transparent 55%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--sakura-transition), color var(--sakura-transition);
}

[data-theme="dark"] body {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(242, 160, 180, 0.08), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(242, 160, 180, 0.06), transparent 38%),
    radial-gradient(circle at 50% 100%, rgba(242, 160, 180, 0.05), transparent 55%);
}

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

a {
  color: var(--sakura-rose);
  text-decoration: none;
  transition: color var(--sakura-transition), opacity var(--sakura-transition);
}

a:hover {
  color: var(--sakura-pink-deep);
}

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

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

ul,
ol {
  list-style: none;
}

.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: rgba(247, 168, 184, 0.4);
  color: var(--sakura-text);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--sakura-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--sakura-pink), var(--sakura-pink-deep));
  border-radius: var(--sakura-radius-pill);
  border: 2px solid var(--sakura-bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--sakura-pink-deep);
}

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

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

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--sakura-header-h);
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(247, 168, 184, 0.45);
  transition: transform var(--sakura-transition), box-shadow var(--sakura-transition);
}

.brand:hover .brand-logo {
  transform: rotate(-8deg) scale(1.06);
  box-shadow: 0 6px 20px rgba(247, 168, 184, 0.6);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(120deg, var(--sakura-rose), var(--sakura-pink-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--sakura-rose);
}

.brand-slogan {
  font-size: 11px;
  color: var(--sakura-text-muted);
  letter-spacing: 1.5px;
}

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

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.main-nav ul::-webkit-scrollbar {
  display: none;
}

.main-nav a {
  position: relative;
  display: inline-block;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--sakura-text-soft);
  white-space: nowrap;
  border-radius: var(--sakura-radius-sm);
  transition: color var(--sakura-transition), background var(--sakura-transition);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--sakura-pink), var(--sakura-pink-deep));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--sakura-transition);
}

.main-nav a:hover {
  color: var(--sakura-rose);
  background: rgba(247, 168, 184, 0.12);
}

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

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

.site-search {
  display: flex;
  align-items: center;
  background: var(--sakura-bg-alt);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius-pill);
  overflow: hidden;
  transition: border-color var(--sakura-transition), box-shadow var(--sakura-transition), background var(--sakura-transition);
}

.site-search:focus-within {
  border-color: var(--sakura-pink);
  box-shadow: var(--sakura-glow);
  background: var(--sakura-surface);
}

.site-search input {
  width: 170px;
  padding: 8px 14px;
  font-size: 13px;
  font-family: inherit;
  color: var(--sakura-text);
  background: transparent;
  border: none;
  outline: none;
  transition: width var(--sakura-transition);
}

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

.site-search input:focus {
  width: 210px;
}

.site-search button {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-pink), var(--sakura-pink-deep));
  border-radius: var(--sakura-radius-pill);
  margin: 3px;
  transition: filter var(--sakura-transition), transform var(--sakura-transition);
}

.site-search button:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

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

#theme-toggle,
#menu-toggle {
  padding: 8px 15px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sakura-text-soft);
  background: var(--sakura-bg-alt);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius-pill);
  white-space: nowrap;
  transition: color var(--sakura-transition), background var(--sakura-transition), border-color var(--sakura-transition), transform var(--sakura-transition), box-shadow var(--sakura-transition);
}

#theme-toggle:hover,
#menu-toggle:hover {
  color: var(--sakura-rose);
  background: rgba(247, 168, 184, 0.14);
  border-color: var(--sakura-border);
  transform: translateY(-2px);
  box-shadow: var(--sakura-shadow-sm);
}

#menu-toggle {
  display: none;
}

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px 72px;
  display: block;
}

.breadcrumb {
  padding: 20px 0 4px;
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--sakura-text-muted);
}

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

.breadcrumb li + li::before {
  content: "/";
  color: var(--sakura-pink);
  opacity: 0.6;
}

.breadcrumb a {
  color: var(--sakura-text-soft);
  padding: 2px 6px;
  border-radius: 6px;
  transition: color var(--sakura-transition), background var(--sakura-transition);
}

.breadcrumb a:hover {
  color: var(--sakura-rose);
  background: rgba(247, 168, 184, 0.14);
}

.breadcrumb [aria-current="page"] {
  color: var(--sakura-rose);
  font-weight: 600;
}

.hero {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-carousel {
  position: relative;
  border-radius: var(--sakura-radius-lg);
  overflow: hidden;
  background: var(--sakura-gradient-soft);
  box-shadow: var(--sakura-shadow);
  border: 1px solid var(--sakura-border-soft);
}

.carousel-slide {
  display: none;
  animation: sakuraFadeIn 0.7s ease both;
}

.carousel-slide.active {
  display: block;
}

.carousel-slide svg {
  width: 100%;
  height: auto;
  display: block;
}

.carousel-controls {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  z-index: 3;
}

.carousel-controls button {
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--sakura-text);
  background: var(--sakura-surface-glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--sakura-border);
  border-radius: var(--sakura-radius-pill);
  transition: background var(--sakura-transition), color var(--sakura-transition), transform var(--sakura-transition), box-shadow var(--sakura-transition);
}

.carousel-controls button:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-pink), var(--sakura-pink-deep));
  transform: translateY(-2px);
  box-shadow: var(--sakura-shadow);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat {
  position: relative;
  padding: 26px 18px;
  text-align: center;
  background: var(--sakura-surface-glass);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius);
  box-shadow: var(--sakura-shadow-sm);
  overflow: hidden;
  transition: transform var(--sakura-transition), box-shadow var(--sakura-transition), border-color var(--sakura-transition);
}

.stat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sakura-pink), var(--sakura-pink-deep), var(--sakura-pink));
  background-size: 200% 100%;
  opacity: 0.85;
}

.stat:hover {
  transform: translateY(-6px);
  box-shadow: var(--sakura-shadow-lg);
  border-color: var(--sakura-border);
}

.stat-number {
  display: block;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.5px;
  background: linear-gradient(120deg, var(--sakura-rose), var(--sakura-pink-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--sakura-rose);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--sakura-text-muted);
  letter-spacing: 0.5px;
}

.section {
  margin-top: 56px;
  padding: 36px 32px;
  background: var(--sakura-surface-glass);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius-lg);
  box-shadow: var(--sakura-shadow-sm);
  transition: box-shadow var(--sakura-transition), border-color var(--sakura-transition), background var(--sakura-transition);
}

.section:hover {
  box-shadow: var(--sakura-shadow);
  border-color: var(--sakura-border);
}

.section h1 {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.3px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  position: relative;
  color: var(--sakura-text);
}

.section h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 72px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--sakura-pink), var(--sakura-pink-deep));
}

.section h2 {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.2px;
  margin-bottom: 20px;
  padding-left: 16px;
  position: relative;
  color: var(--sakura-text);
}

.section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 5px;
  border-radius: 5px;
  background: linear-gradient(180deg, var(--sakura-pink), var(--sakura-pink-deep));
}

.section h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin: 28px 0 12px;
  color: var(--sakura-rose);
  letter-spacing: 0.2px;
}

.section h3:first-of-type {
  margin-top: 8px;
}

.section p {
  margin-bottom: 14px;
  color: var(--sakura-text-soft);
  line-height: 1.85;
}

.section p:last-child {
  margin-bottom: 0;
}

.section a {
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: color var(--sakura-transition), border-color var(--sakura-transition);
}

.section a:hover {
  border-bottom-color: var(--sakura-pink);
}

.section address {
  font-style: normal;
}

.section address p {
  margin-bottom: 8px;
}

.section ol {
  counter-reset: sakura-counter;
  display: grid;
  gap: 12px;
  margin: 8px 0 16px;
}

.section ol li {
  position: relative;
  padding: 14px 18px 14px 58px;
  background: var(--sakura-bg-alt);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius);
  color: var(--sakura-text-soft);
  line-height: 1.7;
  counter-increment: sakura-counter;
  transition: transform var(--sakura-transition), box-shadow var(--sakura-transition), border-color var(--sakura-transition), background var(--sakura-transition);
}

.section ol li::before {
  content: counter(sakura-counter);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-pink), var(--sakura-pink-deep));
  border-radius: 50%;
  box-shadow: 0 3px 10px rgba(247, 168, 184, 0.4);
}

.section ol li:hover {
  transform: translateX(6px);
  box-shadow: var(--sakura-shadow-sm);
  border-color: var(--sakura-border);
  background: var(--sakura-surface);
}

.section ul {
  display: grid;
  gap: 10px;
  margin: 8px 0 16px;
}

.section ul li {
  position: relative;
  padding: 12px 18px 12px 42px;
  background: var(--sakura-bg-alt);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius);
  color: var(--sakura-text-soft);
  line-height: 1.7;
  transition: transform var(--sakura-transition), box-shadow var(--sakura-transition), border-color var(--sakura-transition), background var(--sakura-transition);
}

.section ul li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--sakura-pink), var(--sakura-pink-deep));
  box-shadow: 0 2px 6px rgba(247, 168, 184, 0.45);
}

.section ul li:hover {
  transform: translateX(6px);
  box-shadow: var(--sakura-shadow-sm);
  border-color: var(--sakura-border);
  background: var(--sakura-surface);
}

.article-card {
  position: relative;
  margin-top: 20px;
  padding: 26px 26px 22px;
  background: var(--sakura-surface);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius);
  box-shadow: var(--sakura-shadow-sm);
  overflow: hidden;
  transition: transform var(--sakura-transition), box-shadow var(--sakura-transition), border-color var(--sakura-transition);
}

.article-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--sakura-pink), var(--sakura-pink-deep));
  opacity: 0;
  transition: opacity var(--sakura-transition);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sakura-shadow-lg);
  border-color: var(--sakura-border);
}

.article-card:hover::before {
  opacity: 1;
}

.article-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--sakura-text);
  line-height: 1.5;
  transition: color var(--sakura-transition);
}

.article-card:hover h3 {
  color: var(--sakura-rose);
}

.article-meta {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--sakura-text-muted);
  background: var(--sakura-bg-alt);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius-pill);
  letter-spacing: 0.3px;
}

.article-summary {
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--sakura-text-soft);
  line-height: 1.8;
}

.article-card > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-pink), var(--sakura-pink-deep));
  border-radius: var(--sakura-radius-pill);
  border-bottom: none;
  box-shadow: 0 4px 14px rgba(247, 168, 184, 0.35);
  transition: transform var(--sakura-transition), box-shadow var(--sakura-transition), filter var(--sakura-transition);
}

.article-card > a::after {
  content: "→";
  transition: transform var(--sakura-transition);
}

.article-card > a:hover {
  color: #fff;
  border-bottom: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(247, 168, 184, 0.5);
  filter: brightness(1.04);
}

.article-card > a:hover::after {
  transform: translateX(4px);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  background: var(--sakura-surface);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius);
  overflow: hidden;
  transition: box-shadow var(--sakura-transition), border-color var(--sakura-transition), transform var(--sakura-transition);
}

.faq-list details:hover {
  border-color: var(--sakura-border);
  box-shadow: var(--sakura-shadow-sm);
}

.faq-list details[open] {
  border-color: var(--sakura-pink);
  box-shadow: var(--sakura-shadow);
  background: var(--sakura-surface);
}

.faq-list summary {
  position: relative;
  padding: 18px 52px 18px 22px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--sakura-text);
  cursor: pointer;
  list-style: none;
  transition: color var(--sakura-transition), background var(--sakura-transition);
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 700;
  color: var(--sakura-rose);
  background: var(--sakura-bg-alt);
  border: 1px solid var(--sakura-border-soft);
  border-radius: 50%;
  transition: transform var(--sakura-transition), background var(--sakura-transition), color var(--sakura-transition);
}

.faq-list details[open] summary {
  color: var(--sakura-rose);
  background: rgba(247, 168, 184, 0.1);
}

.faq-list details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-pink), var(--sakura-pink-deep));
  border-color: transparent;
}

.faq-list summary:hover {
  color: var(--sakura-rose);
}

.faq-list details p {
  padding: 4px 22px 20px;
  margin: 0;
  font-size: 15px;
  color: var(--sakura-text-soft);
  line-height: 1.85;
  animation: sakuraSlideDown 0.35s ease both;
}

.news-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.news-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 4px;
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--sakura-border-soft);
  border-radius: 0;
  color: var(--sakura-text-soft);
  font-size: 15px;
  line-height: 1.7;
  transition: color var(--sakura-transition), padding-left var(--sakura-transition), background var(--sakura-transition);
}

.news-list li::before {
  display: none;
}

.news-list li:last-child {
  border-bottom: none;
}

.news-list li:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--sakura-border-soft);
  background: transparent;
  color: var(--sakura-text);
  padding-left: 12px;
}

.news-list time {
  flex-shrink: 0;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--sakura-rose);
  background: rgba(247, 168, 184, 0.14);
  border-radius: var(--sakura-radius-pill);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.3px;
}

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

#links ul li {
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
}

#links ul li::before {
  display: none;
}

#links ul li:hover {
  transform: none;
  box-shadow: none;
  background: transparent;
}

#links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sakura-text-soft);
  background: var(--sakura-bg-alt);
  border: 1px solid var(--sakura-border-soft);
  border-radius: var(--sakura-radius-pill);
  transition: color var(--sakura-transition), background var(--sakura-transition), border-color var(--sakura-transition), transform var(--sakura-transition), box-shadow var(--sakura-transition);
}

#links a::before {
  content: "🔗";
  font-size: 12px;
  opacity: 0.8;
}

#links a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-pink), var(--sakura-pink-deep));
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--sakura-shadow);
}

#site-footer {
  margin-top: 40px;
  background: var(--sakura-gradient-soft);
  border-top: 1px solid var(--sakura-border-soft);
  position: relative;
  overflow: hidden;
}

#site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 8% 20%, rgba(247, 168, 184, 0.16), transparent 40%),
    radial-gradient(circle at 92% 80%, rgba(247, 168, 184, 0.12), transparent 42%);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-brand svg {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(247, 168, 184, 0.4);
}

.footer-brand p {
  font-size: 15px;
  font-weight: 600;
  color: var(--sakura-text-soft);
  letter-spacing: 0.3px;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.footer-nav a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 13.5px;
  color: var(--sakura-text-soft);
  border-radius: var(--sakura-radius-pill);
  transition: color var(--sakura-transition), background var(--sakura-transition), transform var(--sakura-transition);
}

.footer-nav a:hover {
  color: var(--sakura-rose);
  background: rgba(247, 168, 184, 0.16);
  transform: translateY(-2px);
}

.footer-copy {
  padding-top: 20px;
  border-top: 1px solid var(--sakura-border-soft);
  width: 100%;
  font-size: 13px;
  color: var(--sakura-text-muted);
  letter-spacing: 0.4px;
}

#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--sakura-pink), var(--sakura-pink-deep));
  border-radius: var(--sakura-radius-pill);
  box-shadow: var(--sakura-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.94);
  transition: opacity var(--sakura-transition), visibility var(--sakura-transition), transform var(--sakura-transition), box-shadow var(--sakura-transition), filter var(--sakura-transition);
}

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

#back-to-top:hover {
  filter: brightness(1.06);
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--sakura-shadow-lg);
}

#back-to-top:active {
  transform: translateY(-1px) scale(0.99);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.68, 0.36, 1), transform 0.7s cubic-bezier(0.22, 0.68, 0.36, 1);
  will-change: opacity, transform;
}

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

@keyframes sakuraFadeIn {
  from {
    opacity: 0;
    transform: scale(1.015);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes sakuraSlideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes sakuraPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(247, 168, 184, 0.45);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(247, 168, 184, 0);
  }
}

@media (max-width: 1080px) {
  .header-inner {
    padding: 0 18px;
    gap: 14px;
  }

  .site-search input {
    width: 130px;
  }

  .site-search input:focus {
    width: 160px;
  }

  .main-nav a {
    padding: 8px 9px;
    font-size: 13px;
  }
}

@media (max-width: 900px) {
  :root {
    --sakura-header-h: 62px;
  }

  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 10px 16px;
    gap: 10px;
  }

  .brand {
    flex: 1;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-slogan {
    font-size: 10px;
    letter-spacing: 1px;
  }

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

  .main-nav {
    order: 3;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.42s cubic-bezier(0.22, 0.68, 0.36, 1), opacity 0.32s ease, margin 0.32s ease;
    margin-top: 0;
  }

  .main-nav.is-open {
    max-height: 520px;
    opacity: 1;
    margin-top: 6px;
    overflow-y: auto;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding-bottom: 6px;
  }

  .main-nav a {
    display: block;
    padding: 12px 14px;
    border-radius: var(--sakura-radius-sm);
    background: var(--sakura-bg-alt);
    border: 1px solid var(--sakura-border-soft);
  }

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

  .header-actions {
    gap: 6px;
  }

  .site-search {
    order: 4;
    flex-basis: 100%;
    width: 100%;
    margin-top: 4px;
  }

  .site-search input,
  .site-search input:focus {
    flex: 1;
    width: auto;
  }

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

  main {
    padding: 0 16px 56px;
  }

  .section {
    margin-top: 40px;
    padding: 26px 20px;
    border-radius: var(--sakura-radius);
  }

  .section h1 {
    font-size: 23px;
  }

  .section h2 {
    font-size: 20px;
    padding-left: 14px;
  }

  .section h3 {
    font-size: 16.5px;
    margin-top: 22px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat {
    padding: 20px 12px;
  }

  .stat-number {
    font-size: 27px;
  }

  .carousel-controls {
    bottom: 10px;
    right: 10px;
  }

  .carousel-controls button {
    padding: 6px 12px;
    font-size: 11px;
  }

  .article-card {
    padding: 20px 18px 18px;
  }

  .article-card h3 {
    font-size: 17px;
  }

  .faq-list summary {
    padding: 15px 46px 15px 16px;
    font-size: 14.5px;
  }

  .faq-list summary::after {
    right: 14px;
    width: 24px;
    height: 24px;
    font-size: 15px;
  }

  .faq-list details p {
    padding: 2px 16px 16px;
    font-size: 14px;
  }

  .news-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  #back-to-top {
    right: 14px;
    bottom: 14px;
    padding: 10px 15px;
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  .section {
    padding: 22px 16px;
    margin-top: 32px;
  }

  .section h1 {
    font-size: 20px;
    line-height: 1.4;
  }

  .section h2 {
    font-size: 18px;
  }

  .section p {
    line-height: 1.8;
  }

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

  .stat-number {
    font-size: 23px;
  }

  .stat-label {
    font-size: 12px;
  }

  .section ol li {
    padding: 12px 14px 12px 50px;
  }

  .section ol li::before {
    left: 12px;
    width: 24px;
    height: 24px;
    font-size: 12px;
  }

  .section ul li {
    padding: 11px 14px 11px 36px;
  }

  .section ul li::before {
    left: 15px;
    width: 8px;
    height: 8px;
  }

  .footer-inner {
    padding: 36px 16px 26px;
  }
}

@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;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

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

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

  .section {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }

  a {
    color: #000;
  }
}