:root {
  --bg: #fff8fb;
  --bg-soft: #f5f0ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-hover: rgba(255, 255, 255, 0.96);
  --text: #3d3654;
  --text-muted: #8b83a8;
  --primary: #ff6b9d;
  --primary-soft: #ffe4ef;
  --secondary: #8b8cf7;
  --secondary-soft: #ecebff;
  --accent: #ffb7d5;
  --border: rgba(255, 107, 157, 0.14);
  --shadow: 0 8px 32px rgba(139, 140, 247, 0.12);
  --shadow-hover: 0 16px 48px rgba(255, 107, 157, 0.18);
  --radius: 20px;
  --radius-sm: 12px;
  --nav-h: 64px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-cute: "ZCOOL KuaiLe", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: linear-gradient(160deg, var(--bg) 0%, #f0f4ff 45%, var(--bg-soft) 100%);
  min-height: 100vh;
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

/* Background decoration */
.bg-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  opacity: 0.45;
  filter: blur(1px);
  animation: float 8s ease-in-out infinite;
}

.b1 { width: 280px; height: 280px; background: #ffd6e8; top: -60px; right: -40px; animation-delay: 0s; }
.b2 { width: 180px; height: 180px; background: #d9d6ff; bottom: 10%; left: -40px; animation-delay: -2s; }
.b3 { width: 120px; height: 120px; background: #ffe0f0; top: 40%; right: 8%; animation-delay: -4s; }
.b4 { width: 90px; height: 90px; background: #c8f0ff; top: 20%; left: 15%; animation-delay: -1s; }
.b5 { width: 60px; height: 60px; background: #ffd1ec; bottom: 25%; right: 20%; animation-delay: -3s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-18px) scale(1.04); }
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  backdrop-filter: blur(16px);
  background: rgba(255, 248, 251, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-cute);
  font-size: 1.35rem;
  color: var(--primary);
}

.logo-icon {
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: var(--primary-soft);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s ease;
}

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--secondary-soft);
  color: var(--secondary);
  border-radius: 999px;
  font-size: 0.88rem;
  margin-bottom: 16px;
  min-width: 12em;
  text-align: center;
}

.hero-badge span {
  display: inline-block;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.hero-badge span.fade-out {
  opacity: 0;
  transform: translateY(-6px);
}

.hero-name {
  display: block;
  font-family: var(--font-cute);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 1.2;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  display: block;
  margin-top: 8px;
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-quote {
  margin: 20px 0 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
}

.hero-desc {
  margin-bottom: 8px;
  max-width: 560px;
}

.hero-desc.accent {
  color: var(--primary);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #ff8fb8);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 107, 157, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 107, 157, 0.45);
}

.btn-ghost {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

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

.hero-visual {
  display: flex;
  justify-content: center;
}

.avatar-wrap {
  position: relative;
  width: 240px;
  height: 240px;
}

.avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--primary), var(--secondary), var(--accent), var(--primary));
  animation: spin 6s linear infinite;
}

.avatar {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: linear-gradient(145deg, #fff, var(--primary-soft));
  overflow: hidden;
  box-shadow: var(--shadow);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.avatar-tag {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--primary);
  white-space: nowrap;
  box-shadow: var(--shadow);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Sections */
section {
  position: relative;
  z-index: 1;
  padding: 56px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 36px;
}

.section-head h2 {
  font-family: var(--font-cute);
  font-size: 1.8rem;
  color: var(--text);
}

.section-head p {
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  background: var(--surface-hover);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Skills */
.skills {
  background: rgba(255, 255, 255, 0.35);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  transition: 0.3s ease;
}

.skill-card:hover {
  transform: translateY(-3px);
}

.skill-card.highlight {
  border-color: rgba(255, 107, 157, 0.35);
  background: linear-gradient(135deg, rgba(255, 228, 239, 0.6), rgba(236, 235, 255, 0.6));
}

.skill-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
}

.skill-val {
  color: var(--primary);
  font-size: 0.88rem;
}

.skill-card > p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 4px 0 12px;
}

.skill-bar {
  height: 8px;
  background: var(--primary-soft);
  border-radius: 999px;
  overflow: hidden;
}

.skill-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.skill-card.animate .skill-bar span {
  width: var(--level);
}

/* Places */
.place-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 640px;
  margin: 0 auto;
}

.place-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: 0.3s ease;
}

.place-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.place-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.place-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.place-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Social */
.social-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.88rem;
  transition: 0.25s ease;
  box-shadow: var(--shadow);
}

.social-link span {
  font-size: 1.1rem;
}

.social-link:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Friends */
.friend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.friend-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  transition: 0.25s ease;
}

.friend-card:hover {
  transform: translateY(-3px);
  border-color: var(--secondary);
  box-shadow: var(--shadow-hover);
}

.friend-avatar {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary-soft), var(--secondary-soft));
  border: 2px solid rgba(255, 107, 157, 0.2);
}

.friend-card h3 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.friend-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.5);
}

.footer-title {
  font-family: var(--font-cute);
  font-size: 1.2rem;
  color: var(--primary);
}

.footer-slogan {
  margin: 8px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-beian {
  margin-top: 6px;
  font-size: 0.82rem;
}

.footer-beian a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}

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

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: 0.6s ease;
}

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

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-desc,
  .hero-actions {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .feature-grid,
  .place-grid {
    grid-template-columns: 1fr;
  }

  .skill-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 248, 251, 0.96);
    backdrop-filter: blur(16px);
    padding: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: 0.3s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 12px 16px;
  }

  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .avatar-wrap {
    width: 180px;
    height: 180px;
  }
}