/**
 * YYCEY site — premium light-first UI
 * Reference: https://yycey.cn/s/ui.html
 * 高清 · 质感 · 科技感 · 默认浅色（薄荷纸）
 */

.yyc-container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--text-link-hover);
}

/* —— Global atmosphere —— */
body {
  position: relative;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 55% at 8% -10%, color-mix(in srgb, var(--brand-mint) 14%, transparent), transparent 58%),
    radial-gradient(ellipse 70% 50% at 92% 0%, color-mix(in srgb, var(--brand-cyan) 12%, transparent), transparent 52%),
    radial-gradient(ellipse 55% 40% at 70% 100%, color-mix(in srgb, var(--brand-gold) 8%, transparent), transparent 55%),
    var(--bg-base);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(color-mix(in srgb, var(--color-primary) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-primary) 6%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 10%, transparent 75%);
}

[data-theme="dark"] body::after {
  opacity: 0.28;
}

/* —— Nav —— */
.yyc-nav {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  background: color-mix(in srgb, var(--bg-base) 72%, transparent);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: box-shadow var(--duration-normal) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.yyc-nav.is-scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-default);
}

.yyc-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
  min-height: var(--nav-height);
}

.yyc-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
  text-decoration: none;
}

.yyc-brand:hover {
  color: inherit;
  filter: brightness(1.05);
}

.yyc-brand-logo {
  height: 32px;
  width: auto;
}

.yyc-brand-text {
  font-size: var(--text-h3);
}

.yyc-nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.yyc-nav-links a {
  position: relative;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  padding: 6px 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.yyc-nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.yyc-nav-links a:hover,
.yyc-nav-links a.is-active {
  color: var(--text-primary);
}

.yyc-nav-links a.is-active::after,
.yyc-nav-links a:hover::after {
  transform: scaleX(1);
}

.yyc-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.yyc-lang {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-micro);
  color: var(--text-tertiary);
}

.yyc-lang a {
  color: var(--text-secondary);
}

.yyc-lang a.is-active {
  color: var(--text-primary);
  font-weight: 500;
}

.yyc-lang-sep {
  opacity: 0.4;
}

.yyc-theme-btn {
  height: 32px;
  padding: 0 var(--space-3);
  font-size: var(--text-micro);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 35%, transparent);
}

/* —— Hero —— */
.yyc-hero {
  position: relative;
  isolation: isolate;
  min-height: min(78vh, 700px);
  display: flex;
  align-items: center;
  padding: var(--space-20) 0 var(--space-16);
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 18% 0%, color-mix(in srgb, var(--brand-magenta) 16%, transparent), transparent 55%),
    radial-gradient(ellipse 70% 45% at 85% 8%, color-mix(in srgb, var(--brand-cyan) 14%, transparent), transparent 50%),
    radial-gradient(ellipse 55% 40% at 55% 90%, color-mix(in srgb, var(--brand-gold) 10%, transparent), transparent 55%),
    var(--bg-void);
}

.yyc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 60%, var(--bg-base) 100%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 4px,
      color-mix(in srgb, var(--color-primary) 2%, transparent) 4px,
      color-mix(in srgb, var(--color-primary) 2%, transparent) 5px
    );
  opacity: 0.28;
  z-index: 0;
}

.yyc-hero::after {
  content: "";
  position: absolute;
  width: min(520px, 70vw);
  height: min(520px, 70vw);
  right: -8%;
  top: 12%;
  border-radius: 50%;
  pointer-events: none;
  background:
    radial-gradient(circle at 40% 40%, color-mix(in srgb, var(--brand-cyan) 18%, transparent), transparent 55%),
    radial-gradient(circle at 65% 60%, color-mix(in srgb, var(--brand-mint) 14%, transparent), transparent 50%);
  filter: blur(28px);
  opacity: 0.45;
  animation: yycOrbit 48s ease-in-out infinite;
  z-index: 0;
  will-change: transform, opacity;
}

.yyc-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  animation: yycFadeUp 1.2s var(--ease-out) both;
}

.yyc-logo-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
  border-radius: 10px;
  border: 1px solid var(--border-default);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 55%, transparent) inset,
    var(--shadow-sm);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(10px);
}

[data-theme="dark"] .yyc-logo-chip {
  background: #0e1014;
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-md);
}

.yyc-hero-logo {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 4px 12px color-mix(in srgb, var(--color-primary) 25%, transparent));
}

.yyc-hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.35rem, 5.5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-6);
  color: var(--text-primary);
  max-width: 11em;
  text-wrap: balance;
}

.yyc-hero-plate {
  position: relative;
  margin-top: var(--space-2);
  max-width: 28rem;
  padding: var(--space-6) var(--space-6);
  background: color-mix(in srgb, var(--bg-surface) 92%, transparent);
  border: 1px solid var(--border-default);
  border-radius: calc(var(--radius-panel) + 2px);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 70%, transparent) inset,
    var(--shadow-lg);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  overflow: hidden;
}

.yyc-hero-plate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--color-primary) 55%, transparent), transparent);
}

[data-theme="dark"] .yyc-hero-plate {
  background: color-mix(in srgb, var(--bg-surface) 88%, transparent);
  box-shadow: var(--shadow-lg);
}

.yyc-hero-subtitle {
  margin: 0 0 var(--space-5);
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
}

.yyc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Buttons */
.yyc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 44px;
  padding: 0 var(--space-6);
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition:
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.yyc-btn:active {
  transform: translateY(1px);
}

.yyc-btn-primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-primary-hover) 35%, var(--color-primary)), var(--color-primary));
  color: var(--text-on-primary);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 35%, transparent) inset,
    0 8px 20px color-mix(in srgb, var(--color-primary) 28%, transparent);
}

.yyc-btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--text-on-primary);
  box-shadow: var(--glow-primary), 0 10px 24px color-mix(in srgb, var(--color-primary) 30%, transparent);
  transform: translateY(-1px);
}

.yyc-btn-ghost {
  background: color-mix(in srgb, var(--bg-elevated) 70%, transparent);
  color: var(--text-secondary);
  border-color: var(--border-default);
  backdrop-filter: blur(8px);
}

.yyc-btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--color-primary-border);
}

.yyc-btn-secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.yyc-btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--color-primary-border);
}

/* Sections */
.yyc-section {
  padding: var(--space-16) 0;
  position: relative;
}

.yyc-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.yyc-section-title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text-primary);
}

.yyc-section-desc {
  color: var(--text-tertiary);
  font-size: var(--text-small);
  margin-top: var(--space-2);
}

.yyc-more {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
}

.yyc-more:hover {
  color: var(--color-primary-hover);
}

/* News strip */
.yyc-news-strip {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.yyc-news-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 1.1rem 1.15rem;
  background: color-mix(in srgb, var(--bg-surface) 90%, transparent);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 55%, transparent) inset;
  transition:
    border-color var(--duration-normal) var(--ease-out),
    background var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.yyc-news-row:hover {
  border-color: var(--color-primary-border);
  background: var(--bg-elevated);
  color: inherit;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.yyc-news-row-title {
  font-size: 0.95rem;
  font-weight: 550;
  color: var(--text-primary);
  line-height: var(--leading-snug);
}

.yyc-news-row-meta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: 2px;
}

.yyc-news-row-date {
  font-size: var(--text-micro);
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono, ui-monospace, monospace);
}

/* Services */
.yyc-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.yyc-service-card {
  background: color-mix(in srgb, var(--bg-surface) 94%, transparent);
  border: 1px solid var(--border-subtle);
  border-radius: calc(var(--radius-panel) + 2px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 440px;
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 60%, transparent) inset,
    var(--shadow-sm);
  animation: yycFadeUp 0.95s var(--ease-out) both;
  transition:
    border-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.yyc-service-card:hover {
  border-color: var(--color-primary-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 0 1px color-mix(in srgb, var(--color-primary) 12%, transparent);
}

.yyc-card-header {
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-primary) 5%, transparent), transparent);
}

.yyc-card-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 500;
  margin: 0 0 var(--space-1);
  color: var(--text-primary);
}

.yyc-card-header p {
  font-size: var(--text-micro);
  color: var(--text-tertiary);
  word-break: break-all;
  margin: 0;
  font-family: var(--font-mono, ui-monospace, monospace);
}

.yyc-card-preview {
  position: relative;
  flex: 1;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--brand-cyan) 8%, transparent), color-mix(in srgb, var(--brand-magenta) 6%, transparent)),
    var(--bg-sunken);
  min-height: 260px;
  overflow: hidden;
}

.yyc-card-preview iframe {
  width: 200%;
  height: 200%;
  border: none;
  transform: scale(0.5);
  transform-origin: 0 0;
  pointer-events: none;
}

.yyc-loading-overlay,
.yyc-error-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--bg-sunken) 92%, transparent);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-5);
  z-index: 2;
  backdrop-filter: blur(4px);
}

.yyc-card-footer {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.yyc-visit-btn {
  flex: 1;
  text-align: center;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--text-on-primary) !important;
  border-radius: var(--radius-control);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.yyc-visit-btn:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--glow-primary);
}

.yyc-refresh-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-default);
  background: transparent;
  border-radius: var(--radius-control);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--text-md);
}

.yyc-refresh-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-color: var(--border-strong);
}

.yyc-empty {
  text-align: center;
  padding: var(--space-12) var(--space-5);
  color: var(--text-tertiary);
  grid-column: 1 / -1;
}

/* News / article */
.yyc-page-main {
  padding: var(--space-8) 0 var(--space-20);
}

.yyc-page-hero {
  padding: var(--space-12) 0 var(--space-2);
}

.yyc-page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-3);
  color: var(--text-primary);
}

.yyc-page-hero p {
  color: var(--text-secondary);
  font-size: var(--text-body);
  max-width: 42ch;
  margin: 0;
}

.yyc-news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.yyc-news-item {
  display: block;
  padding: 1.25rem 1.2rem;
  background: color-mix(in srgb, var(--bg-surface) 92%, transparent);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 50%, transparent) inset;
  transition:
    border-color var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.yyc-news-item:hover {
  border-color: var(--color-primary-border);
  background: var(--bg-elevated);
  color: inherit;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.yyc-news-item-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 var(--space-2);
  color: var(--text-primary);
}

.yyc-news-item-desc {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin: 0 0 var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: var(--leading-snug);
}

.yyc-news-item-meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-micro);
  color: var(--text-tertiary);
}

.yyc-pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.yyc-pagination a {
  padding: 8px 13px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: var(--bg-surface);
  font-size: var(--text-sm);
  text-decoration: none;
}

.yyc-pagination a.is-active,
.yyc-pagination a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-on-primary);
}

.yyc-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-5);
  text-decoration: none;
}

.yyc-back-btn:hover {
  color: var(--color-primary);
}

.yyc-article {
  background: color-mix(in srgb, var(--bg-surface) 95%, transparent);
  border: 1px solid var(--border-subtle);
  border-radius: calc(var(--radius-panel) + 4px);
  padding: var(--space-10) var(--space-10) var(--space-12);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 65%, transparent) inset,
    var(--shadow-md);
}

.yyc-article-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin: 0 0 var(--space-4);
  color: var(--text-primary);
}

.yyc-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.yyc-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.yyc-keyword-tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-micro);
  font-weight: 500;
  background: var(--color-primary-muted);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-border);
}

.yyc-article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.yyc-article-content p {
  margin: 0 0 1.15em;
}

.yyc-article-content h2,
.yyc-article-content h3 {
  margin: 1.5em 0 0.65em;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  font-weight: 500;
}

.yyc-article-content img {
  border-radius: var(--radius-md);
  margin: 1.3em 0;
  box-shadow: var(--shadow-md);
}

.yyc-article-content a {
  color: var(--text-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.yyc-article-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

/* Footer */
.yyc-footer {
  margin-top: var(--space-4);
  padding: var(--space-12) 0 var(--space-14);
  border-top: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--bg-surface) 88%, transparent);
  backdrop-filter: blur(8px);
}

.yyc-footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.yyc-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.yyc-footer-logo {
  height: 28px;
  width: auto;
}

.yyc-footer-links {
  display: flex;
  gap: var(--space-5);
}

.yyc-footer-links a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.yyc-footer-links a:hover {
  color: var(--color-primary);
}

.yyc-footer-copy,
.yyc-footer-beian {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin: 0 0 var(--space-2);
}

.yyc-footer-beian a {
  color: var(--text-tertiary);
}

.yyc-footer-beian a:hover {
  color: var(--color-primary);
}

.yyc-footer-icons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  margin-top: var(--space-5);
}

.yyc-footer-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-micro);
  max-width: 100%;
}

.yyc-footer-icon img {
  height: 18px;
  width: auto;
  flex-shrink: 0;
}

.yyc-footer-icon span {
  line-height: 1.35;
}

/* Notice toast */
.yyc-notice {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: min(340px, calc(100vw - 32px));
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  z-index: var(--z-toast);
  display: none;
  animation: yycSlideIn 0.4s var(--ease-out);
  backdrop-filter: blur(12px);
}

.yyc-notice.show {
  display: block;
}

.yyc-notice-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.yyc-notice-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-info);
  box-shadow: 0 0 10px var(--color-info);
  flex-shrink: 0;
}

.yyc-notice-head strong {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.yyc-notice-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--text-tertiary);
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.yyc-notice-body {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-snug);
}

.gradient-rule {
  height: 1px;
  border: none;
  background: var(--brand-gradient);
  opacity: 0.6;
  margin: 0;
}

@keyframes yycFadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes yycSlideIn {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes yycOrbit {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.38;
  }
  50% {
    transform: translate3d(-18px, 12px, 0) scale(1.06);
    opacity: 0.52;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

html.reduce-motion *,
html.reduce-motion *::before,
html.reduce-motion *::after {
  animation-duration: 0.01ms !important;
  transition-duration: 0.01ms !important;
}

@media (max-width: 900px) {
  .yyc-services-grid {
    grid-template-columns: 1fr;
  }

  .yyc-article {
    padding: var(--space-6) var(--space-5) var(--space-8);
  }

  .yyc-hero {
    min-height: auto;
    padding: var(--space-14) 0 var(--space-12);
  }

  .yyc-hero::after {
    opacity: 0.35;
  }
}

@media (max-width: 720px) {
  .yyc-nav-links {
    display: none;
  }

  .yyc-brand-logo {
    height: 28px;
  }

  .yyc-hero-logo {
    height: 34px;
  }

  .yyc-hero-title {
    font-size: 1.9rem;
  }
}