/* ===== 基础重置与变量 ===== */
:root {
  --primary: #ff6b9d;
  --primary-dark: #e05585;
  --secondary: #c44dff;
  --bg: #0d0d14;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.1);
  --text: #e0e0e0;
  --text-muted: #9090a0;
  --radius: 12px;
  --max-width: 1200px;
  --nav-height: 64px;
}

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

html {
  scroll-padding-top: var(--nav-height);
}

/* 画廊区预占位，防止动态加载导致锚点偏移 */
#gallery-container {
  min-height: 400px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== 导航栏 ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(13, 13, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
  position: relative;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 1px;
  transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* 移动端汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: all 0.3s;
}

/* ===== 英雄区 ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

/* 动漫风格渐变背景 */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(255, 107, 157, 0.15), transparent),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(196, 77, 255, 0.1), transparent),
    radial-gradient(ellipse 50% 40% at 20% 60%, rgba(255, 107, 157, 0.08), transparent);
  pointer-events: none;
}

/* 装饰性网格线 */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(255, 107, 157, 0.4);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 4px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 30%, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 滚动指示器 */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  animation: bounce 2s infinite;
}

.scroll-hint::before {
  content: "";
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== 区块通用样式 ===== */
.section {
  padding: 80px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 3px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 2px;
}

.section-line {
  width: 48px;
  height: 3px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 2px;
  margin: 16px auto 0;
}

/* ===== 作品展示区 ===== */
.works {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* 系列分组 */
.series-group {
  margin-bottom: 56px;
}

.series-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--primary);
  letter-spacing: 1px;
}

/* CSS Columns 瀑布流 */
.gallery {
  column-count: 4;
  column-gap: 12px;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 12px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: var(--bg-card);
  transition: transform 0.3s, box-shadow 0.3s;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(196, 77, 255, 0.2);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.4s;
}

.gallery-item img.loaded {
  opacity: 1;
}

.gallery-item:hover img {
  transform: scale(1.03);
}

/* 图片加载占位 */
.gallery-item .placeholder {
  background: linear-gradient(135deg, var(--bg-card), rgba(255, 107, 157, 0.05));
  aspect-ratio: 3/4;
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 90vh;
  overflow: hidden;
  border-radius: 4px;
}

.lightbox img {
  display: block;
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.3s;
  user-select: none;
  -webkit-user-drag: none;
}

.lightbox.open .lightbox-img-wrapper img {
  transform: scale(1);
}

/* 放大状态覆盖 transition */
.lightbox img.zoomed {
  transition: none;
}

.lightbox-zoom-hint {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.7);
  color: rgba(255, 255, 255, 0.7);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  pointer-events: none;
  transition: opacity 0.3s;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background 0.2s;
  z-index: 1;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-close {
  top: 20px;
  right: 20px;
  font-size: 1.4rem;
}

.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }

.lightbox-counter {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

/* ===== 关于我们 ===== */
.about {
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  transition: border-color 0.3s;
}

.about-card:hover {
  border-color: rgba(255, 107, 157, 0.3);
}

.about-card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.about-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.about-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== 联系方式 ===== */
.contact {
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 48px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 48px;
}

.contact-info h3 {
  font-size: 1.2rem;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.contact-item .icon {
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.contact-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
}

.contact-qr img {
  width: 160px;
  height: 160px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-qr p {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

/* ===== 页脚 ===== */
.footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 2;
}

.footer a {
  color: var(--primary);
  text-decoration: none;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; letter-spacing: 2px; }
  .hero-stats { gap: 32px; }
  .hero-stat-num { font-size: 1.5rem; }

  .gallery { column-count: 3; column-gap: 12px; }

  .about-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; padding: 32px; }
  .contact-qr { align-items: center; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(13, 13, 20, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
}

@media (max-width: 480px) {
  .gallery { column-count: 2; }
  .hero h1 { font-size: 1.6rem; }
  .section-title { font-size: 1.5rem; }
}