/* ===== 动漫共和国 共用样式 ===== */

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

:root {
  --bg: #f5f6fc;
  --bg-card: #ffffff;
  --primary: #7c6df0;
  --primary-light: #a99aff;
  --primary-bg: rgba(124,109,240,0.08);
  --accent: #4fc3f7;
  --accent2: #ff8a80;
  --accent3: #ffd54f;
  --text: #2d2d3a;
  --text-secondary: #666680;
  --text-muted: #9999b0;
  --border: #e8e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 12px rgba(124,109,240,0.08);
  --shadow-lg: 0 8px 32px rgba(124,109,240,0.12);
  --nav-height: 68px;
  --max-width: 1100px;
}

html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: #5a4bd0; }
img { max-width: 100%; height: auto; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

section { padding: 80px 0; }

/* section title */
.section-title {
  text-align: center;
  margin-bottom: 48px;
}
.section-title h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}
.section-title h2 .highlight { color: var(--primary); }
.section-title p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}
.section-title .divider {
  width: 48px; height: 3px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 14px auto 0;
}

/* page header */
.page-header {
  padding: 100px 24px 48px;
  text-align: center;
  background: linear-gradient(180deg, var(--primary-bg), transparent);
}
.page-header h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}
.page-header h1 .highlight { color: var(--primary); }
.page-header p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #5a4bd0);
  color: #fff;
  box-shadow: 0 4px 16px rgba(124,109,240,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(124,109,240,0.4);
  color: #fff;
}
.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-bg); }

/* cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s;
}
.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

/* fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* navbar */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.navbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.navbar .brand img {
  width: 36px; height: 36px;
  border-radius: 8px;
  object-fit: contain;
}
.navbar .brand span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}
.navbar .brand span .highlight { color: var(--primary); }
.navbar .nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.navbar .nav-links a {
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s;
  text-decoration: none;
}
.navbar .nav-links a:hover,
.navbar .nav-links a.active {
  color: var(--primary);
  background: var(--primary-bg);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* sticky nav highlight */
.navbar .nav-links a.active {
  color: var(--primary);
  background: var(--primary-bg);
}

/* footer */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  text-align: center;
}
footer .footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 14px;
}
footer .footer-brand img { width: 24px; height: 24px; border-radius: 6px; }
footer .footer-brand span { font-weight: 700; font-size: 0.95rem; }
footer p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.8; }
footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 12px 0;
  flex-wrap: wrap;
}
footer .footer-links a { color: var(--text-muted); font-size: 0.85rem; }
footer .footer-links a:hover { color: var(--primary); }

/* back to top */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #5a4bd0);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  z-index: 999;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: all 0.3s;
  box-shadow: 0 4px 14px rgba(124,109,240,0.3);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* scrollbar */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* official banner */
.official-banner {
  padding: 10px 16px;
  background: var(--primary-bg);
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(124,109,240,0.1);
}
.official-banner strong { color: var(--primary); }

/* ===== Feather Icons ===== */
.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  flex-shrink: 0;
}
.icon-wrap svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.8;
}
.icon-wrap.color-primary { background: rgba(124,109,240,0.12); color: var(--primary); }
.icon-wrap.color-primary svg { stroke: var(--primary); }
.icon-wrap.color-accent { background: rgba(79,195,247,0.12); color: var(--accent); }
.icon-wrap.color-accent svg { stroke: var(--accent); }
.icon-wrap.color-coral { background: rgba(255,138,128,0.12); color: var(--accent2); }
.icon-wrap.color-coral svg { stroke: var(--accent2); }
.icon-wrap.color-gold { background: rgba(255,213,79,0.15); color: #d4a017; }
.icon-wrap.color-gold svg { stroke: #d4a017; }

/* inline icon with text */
.icon-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.icon-inline svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.8;
  stroke: currentColor;
  fill: none;
  flex-shrink: 0;
}
.icon-inline.purple svg { stroke: var(--primary); }
.icon-inline.blue svg { stroke: var(--accent); }
.icon-inline.coral svg { stroke: var(--accent2); }
.icon-inline.gold svg { stroke: #d4a017; }

/* badge icon */
.badge-icon {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  background: var(--primary-bg);
  border: 1px solid rgba(124,109,240,0.2);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--primary);
}
.badge-icon svg {
  width: 14px;
  height: 14px;
  stroke: var(--primary);
  stroke-width: 2;
  fill: none;
}

/* ===== responsive ===== */
@media (max-width: 768px) {
  .navbar .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    padding: 12px;
    border-bottom: 1px solid var(--border);
  }
  .navbar .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  section { padding: 50px 0; }
  .section-title h2 { font-size: 1.5rem; }
}