:root {
  --sy-bg: #e8eef6;
  --sy-card: #ffffff;
  --sy-ink: #111827;
  --sy-muted: #6b7288;
  --sy-line: rgba(17, 24, 39, 0.08);
  --sy-blue: #007aff;
  --sy-blue-soft: #e8f1ff;
  --sy-green: #34c759;
  --sy-orange: #ff9f0a;
  --sy-red: #ff3b30;
  --sy-shadow: 0 10px 28px rgba(28, 49, 82, 0.08);
  --sy-shadow-lg: 0 22px 48px rgba(28, 49, 82, 0.12);
  --sy-radius: 24px;
  --sy-max: 1120px;
  --sy-font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
html::-webkit-scrollbar { display: none; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  color: var(--sy-ink);
  font-family: var(--sy-font);
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(900px 520px at 92% -8%, rgba(125, 211, 252, 0.55), transparent 58%),
    radial-gradient(720px 420px at -8% 12%, rgba(0, 122, 255, 0.16), transparent 52%),
    radial-gradient(640px 380px at 70% 110%, rgba(167, 139, 250, 0.12), transparent 50%),
    linear-gradient(#eef3f8 0%, #e6edf6 100%);
}
.sy-auth-body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}
.sy-auth-body .sy-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(420px, calc(100% - 2rem));
  padding: 2rem 0;
}
.sy-auth-body .sy-auth { width: 100%; margin: 0; }
.sy-auth-body .sy-flash {
  position: fixed;
  top: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  width: min(420px, calc(100% - 2rem));
  margin: 0;
}
img { max-width: 100%; display: block; }
a { color: var(--sy-blue); text-decoration: none; }
button, input, textarea, select { font-family: inherit; }

.sy-nav {
  position: sticky;
  top: 12px;
  z-index: 30;
  padding: 0 1rem;
  background: transparent;
}
.sy-nav-inner {
  width: min(var(--sy-max), calc(100% - 0px));
  margin: 0 auto;
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 0 0.85rem 0 0.7rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 18px;
  box-shadow: 0 10px 32px rgba(28, 49, 82, 0.08);
  backdrop-filter: saturate(180%) blur(22px);
}
.sy-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--sy-ink);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 15px;
}
.sy-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  overflow: hidden;
  box-shadow: 0 8px 16px rgba(0, 122, 255, 0.28);
  display: grid;
}
.sy-logo-mark svg { display: block; }
.sy-logo img { height: 32px; width: auto; border-radius: 9px; }
.sy-nav-links { display: flex; gap: 0.15rem; flex: 1; overflow-x: auto; scrollbar-width: none; }
.sy-nav-links::-webkit-scrollbar { display: none; }
.sy-nav-links a {
  color: var(--sy-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
}
.sy-nav-links a.is-active {
  color: var(--sy-ink);
  background: rgba(17, 24, 39, 0.06);
}
.sy-nav-user { display: flex; align-items: center; gap: 0.65rem; margin-left: auto; }
.sy-nav-search {
  display: flex; align-items: center; gap: 0.35rem;
  background: #f1f5f9; border-radius: 999px; padding: 0 0.75rem; min-width: 168px;
}
.sy-nav-search svg { color: #94a3b8; flex: none; }
.sy-nav-search input { border: 0; background: transparent; width: 124px; padding: 0.42rem 0; font-size: 13px; outline: none; color: var(--sy-ink); }
.sy-points-chip, .sy-nav-cta, .sy-text-btn { font-size: 13px; }
.sy-points-chip {
  background: var(--sy-blue-soft);
  color: var(--sy-blue);
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
  font-weight: 700;
}
.sy-nav-cta {
  background: var(--sy-blue);
  color: #fff;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(0, 122, 255, 0.28);
}
.sy-text-btn { color: var(--sy-blue); font-weight: 650; }
.sy-text-btn.is-active { color: var(--sy-ink); }

.sy-nav,
.sy-footer { flex-shrink: 0; }
.sy-main {
  flex: 1 0 auto;
  width: min(var(--sy-max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.35rem 0 1.5rem;
}
.sy-flash { width: min(var(--sy-max), calc(100% - 2rem)); margin: 0.85rem auto 0; padding: 0.85rem 1rem; border-radius: 14px; }
.sy-flash.is-success { background: #e8f8ee; color: #1f7a3f; }
.sy-flash.is-error { background: #ffe8e6; color: #c43128; }

.sy-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: center;
  gap: 1rem;
  padding: 2rem 2.1rem 1.85rem;
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.7)),
    radial-gradient(420px 220px at 88% 18%, rgba(125, 211, 252, .45), transparent 70%);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--sy-shadow-lg);
}
.sy-kicker {
  display: inline-flex;
  color: var(--sy-blue);
  letter-spacing: 0.18em;
  font-size: 11px;
  font-weight: 800;
}
.sy-hero h1, .sy-page-head h1 {
  font-size: clamp(2.2rem, 5.6vw, 3.35rem);
  letter-spacing: -0.055em;
  line-height: 1.04;
  margin: 0.35rem 0 0.5rem;
  font-weight: 780;
}
.sy-hero-sub, .sy-auth p { color: var(--sy-muted); font-size: 15px; max-width: 28em; line-height: 1.7; }
.sy-hero-visual { display: grid; place-items: center; }
.sy-hero-svg { width: min(280px, 100%); height: auto; }

.sy-search {
  margin-top: 1.35rem;
  max-width: 460px;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(241, 245, 249, 0.92);
  border: 1px solid rgba(17, 24, 39, 0.04);
  border-radius: 16px;
  padding: 0.18rem 0.22rem 0.18rem 0.95rem;
}
.sy-search-icon { color: #94a3b8; flex: none; }
.sy-search input { flex: 1; border: 0; background: transparent; padding: 0.78rem 0.35rem; font-size: 16px; outline: none; }
.sy-search button {
  border: 0;
  background: var(--sy-blue);
  color: #fff;
  border-radius: 12px;
  padding: 0.58rem 1rem;
  font-weight: 700;
  cursor: pointer;
}

.sy-layout {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  margin-top: 1.25rem;
}
.sy-banner + .sy-layout { margin-top: 0.15rem; }
.sy-sidebar {
  position: sticky;
  top: 86px;
  display: grid;
  gap: 0.8rem;
}
.sy-sidebar-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  padding: 0.7rem 0.55rem 0.65rem;
  box-shadow: var(--sy-shadow);
}
.sy-sidebar-card h2 {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--sy-muted);
  padding: 0.15rem 0.7rem 0.45rem;
}
.sy-chips { display: flex; flex-direction: column; gap: 2px; }
.sy-chips a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  color: var(--sy-ink);
  border-radius: 12px;
  padding: 0.68rem 0.75rem;
  font-size: 14px;
  font-weight: 650;
  background: transparent;
  border: 0;
}
.sy-chips a small { color: var(--sy-muted); font-size: 12px; font-weight: 600; }
.sy-chips a.is-active { background: var(--sy-ink); color: #fff; }
.sy-chips a.is-active small { color: rgba(255,255,255,.7); }

.sy-layout .sy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sy-layout .sy-section-head { margin-top: 0.15rem; }

.sy-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin: 1.35rem 0 0.9rem; }
.sy-section-head h2 { font-size: 1.35rem; letter-spacing: -0.04em; font-weight: 750; }
.sy-section-head p { color: var(--sy-muted); font-size: 13px; }

.sy-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.sy-card {
  background: var(--sy-card);
  border-radius: var(--sy-radius);
  overflow: hidden;
  box-shadow: var(--sy-shadow);
  color: inherit;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.sy-card:hover { transform: translateY(-4px); box-shadow: var(--sy-shadow-lg); }
.sy-card-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #9ec9ef;
}
.sy-card-cover img { width: 100%; height: 100%; object-fit: cover; }
.sy-cover-art, .sy-cover-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sy-cover-art { display: block; }
.sy-cover-initial {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  color: #fff;
  font-size: 64px;
  font-weight: 780;
  letter-spacing: -0.06em;
  text-shadow: 0 10px 28px rgba(15, 23, 42, 0.22);
}
.sy-cover-art.is-azure .sy-stop-a { stop-color: #c7e9ff; }
.sy-cover-art.is-azure .sy-stop-b { stop-color: #5ab4f5; }
.sy-cover-art.is-azure .sy-stop-c { stop-color: #007aff; }
.sy-cover-art.is-lagoon .sy-stop-a { stop-color: #c8f6ef; }
.sy-cover-art.is-lagoon .sy-stop-b { stop-color: #5bd4c4; }
.sy-cover-art.is-lagoon .sy-stop-c { stop-color: #0f9d8e; }
.sy-cover-art.is-indigo .sy-stop-a { stop-color: #d7dcff; }
.sy-cover-art.is-indigo .sy-stop-b { stop-color: #8b93ff; }
.sy-cover-art.is-indigo .sy-stop-c { stop-color: #4f46e5; }
.sy-cover-art.is-orchid .sy-stop-a { stop-color: #f0d6ff; }
.sy-cover-art.is-orchid .sy-stop-b { stop-color: #c084fc; }
.sy-cover-art.is-orchid .sy-stop-c { stop-color: #9333ea; }
.sy-cover-art.is-amber .sy-stop-a { stop-color: #ffe4c4; }
.sy-cover-art.is-amber .sy-stop-b { stop-color: #ffb020; }
.sy-cover-art.is-amber .sy-stop-c { stop-color: #f59e0b; }
.sy-cover-art.is-mint .sy-stop-a { stop-color: #d8f8c8; }
.sy-cover-art.is-mint .sy-stop-b { stop-color: #86e07a; }
.sy-cover-art.is-mint .sy-stop-c { stop-color: #22c55e; }

.sy-badge {
  position: absolute;
  right: 12px;
  top: 12px;
  z-index: 2;
  border-radius: 999px;
  padding: 0.22rem 0.62rem;
  font-size: 11px;
  font-weight: 800;
  color: #fff;
  backdrop-filter: blur(8px);
}
.sy-badge.is-free { background: rgba(52, 199, 89, 0.92); }
.sy-badge.is-paid { background: rgba(255, 159, 10, 0.94); }
.sy-card-body { padding: 1rem 1.05rem 1.15rem; display: flex; flex-direction: column; }
.sy-card-meta { display: flex; gap: 0.55rem; color: var(--sy-muted); font-size: 12px; font-weight: 600; }
.sy-card-body h3 {
  font-size: 17px;
  margin: 0.42rem 0 0.35rem;
  letter-spacing: -0.03em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sy-card-body p {
  color: var(--sy-muted);
  font-size: 13px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sy-empty, .sy-empty-page { text-align: center; color: var(--sy-muted); padding: 3rem 1rem; }
.sy-empty-page h1 { color: var(--sy-ink); margin-bottom: 0.5rem; }
.sy-pager { margin-top: 1.45rem; display: flex; justify-content: center; }
.sy-page-nav, .page-navigator {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.28rem;
  list-style: none;
  padding: 0.38rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  box-shadow: var(--sy-shadow);
  backdrop-filter: saturate(180%) blur(18px);
}
.sy-page-nav a, .sy-page-nav span,
.page-navigator a, .page-navigator span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  padding: 0 0.72rem;
  border-radius: 10px;
  background: transparent;
  color: var(--sy-ink);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.sy-page-nav a:hover, .page-navigator a:hover { background: rgba(17, 24, 39, 0.06); }
.sy-page-nav a.current, .sy-page-nav .current a,
.page-navigator a.current, .page-navigator .current,
.page-navigator .current a {
  background: var(--sy-ink);
  color: #fff;
}
.sy-page-nav a.prev, .sy-page-nav a.next,
.page-navigator .prev a, .page-navigator .next a {
  color: var(--sy-muted);
  padding: 0 0.9rem;
}
.sy-page-nav span, .page-navigator span {
  min-width: 22px;
  color: var(--sy-muted);
  font-weight: 650;
  background: transparent;
}

.sy-footer { padding: 0.35rem 1rem 2.2rem; }
.sy-footer-inner {
  width: min(var(--sy-max), 100%);
  margin: 0 auto;
  padding: 0.95rem 1.1rem 0.85rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 18px;
  box-shadow: 0 10px 32px rgba(28, 49, 82, 0.08);
  backdrop-filter: saturate(180%) blur(22px);
}
.sy-footer-top { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.sy-footer-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--sy-ink);
  margin-right: auto;
}
.sy-footer-brand img { height: 28px; width: auto; border-radius: 8px; }
.sy-footer-brand .sy-logo-mark { width: 28px; height: 28px; border-radius: 8px; }
.sy-footer-brand strong { display: block; font-size: 14px; font-weight: 750; letter-spacing: -0.02em; }
.sy-footer-brand small {
  display: block;
  margin-top: 0.12rem;
  color: var(--sy-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.sy-footer-links { display: flex; gap: 0.15rem; }
.sy-footer-links a {
  color: var(--sy-muted);
  font-size: 13px;
  font-weight: 650;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
}
.sy-footer-links a:hover { color: var(--sy-ink); background: rgba(17, 24, 39, 0.06); }
.sy-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--sy-line);
  color: var(--sy-muted);
  font-size: 12px;
}
.sy-footer-extra, .sy-footer-extra a { color: var(--sy-muted); }
.sy-tabbar {
  display: none;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(10px + env(safe-area-inset-bottom));
  z-index: 30;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 22px;
  padding: 0.4rem 0 0.5rem;
  grid-template-columns: repeat(3, 1fr);
  box-shadow: 0 12px 32px rgba(28, 49, 82, 0.12);
}
.sy-tabbar a {
  color: var(--sy-muted);
  text-align: center;
  font-size: 10px;
  font-weight: 700;
  padding: 0.2rem 0;
  display: grid;
  justify-items: center;
  gap: 0.12rem;
}
.sy-tabbar svg { width: 22px; height: 22px; }
.sy-tabbar a.is-active { color: var(--sy-blue); }

@media (max-width: 980px) {
  .sy-layout { grid-template-columns: 1fr; }
  .sy-sidebar { position: static; }
  .sy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sy-hero { grid-template-columns: 1fr; padding: 1.6rem 1.3rem 1.4rem; margin-bottom: 0; }
  .sy-hero-visual { display: none; }
  .sy-sidebar-card { padding: 0.65rem 0.7rem; }
  .sy-chips { flex-direction: row; overflow-x: auto; scrollbar-width: none; }
  .sy-chips::-webkit-scrollbar { display: none; }
  .sy-chips a { flex: none; border-radius: 999px; background: rgba(255,255,255,.72); padding: 0.42rem 0.85rem; }
  .sy-chips a small { display: none; }
  .sy-chips a.is-active { background: var(--sy-ink); color: #fff; }
}

@media (max-width: 800px) {
  .sy-nav { top: 0; padding: 0; }
  .sy-nav-inner {
    width: 100%;
    border-radius: 0;
    border: 0;
    border-bottom: 1px solid var(--sy-line);
    box-shadow: none;
  }
  .sy-nav-links { display: none; }
  .sy-tabbar { display: grid; }
  .sy-hero h1 { font-size: 2.15rem; }
  .sy-footer { padding-bottom: calc(5.4rem + env(safe-area-inset-bottom)); }
  .sy-nav-search { flex: 1; min-width: 0; }
  .sy-nav-search input { width: 100%; }
}

@media (max-width: 640px) {
  .sy-grid { grid-template-columns: 1fr; }
  .sy-section-head { flex-direction: column; gap: 0.2rem; }
  .sy-footer-top { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sy-card { transition: none; }
  .sy-cat { transition: none; }
}