:root {
  --deep-sea: #06101e;
  --sea-mid: #0b1e33;
  --neon-cyan: #00f0ff;
  --neon-cyan-dim: rgba(0, 240, 255, 0.15);
  --neon-pink: #ff2a7a;
  --text-main: #e8f1f8;
  --text-sub: #8ba0b5;
  --card-bg: rgba(15, 35, 55, 0.7);
  --border-glow: rgba(0, 240, 255, 0.25);
  --radius-lg: 16px;
  --radius-md: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--deep-sea);
  background-image: radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(255, 42, 122, 0.06) 0%, transparent 40%);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 16, 30, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glow);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 32px; width: auto; border-radius: 6px; }
.brand-name { font-size: 1.2rem; font-weight: 700; color: #fff; letter-spacing: 1px; }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-sub);
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--neon-cyan); }
.mobile-menu-btn { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero {
  position: relative;
  padding: 60px 0;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--deep-sea) 0%, var(--sea-mid) 100%);
  z-index: -2;
}
.hero-glow {
  position: absolute; top: -20%; left: -10%; width: 50%; height: 80%;
  background: radial-gradient(circle, var(--neon-cyan-dim) 0%, transparent 70%);
  filter: blur(60px); z-index: -1;
}
.hero-glow-2 {
  position: absolute; bottom: -20%; right: -10%; width: 50%; height: 80%;
  background: radial-gradient(circle, rgba(255, 42, 122, 0.1) 0%, transparent 70%);
  filter: blur(60px); z-index: -1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero-text h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #fff, var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-text p {
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 30px;
  max-width: 500px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.hero-tags span {
  background: var(--neon-cyan-dim);
  border: 1px solid var(--border-glow);
  color: var(--neon-cyan);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
}
.hero-visual { position: relative; }
.hero-visual-inner {
  display: flex;
  gap: 15px;
  justify-content: center;
  perspective: 1000px;
}
.hero-phone {
  width: 160px;
  height: 300px;
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid var(--border-glow);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
  transform: rotateY(-10deg);
  transition: transform 0.3s;
}
.hero-phone:nth-child(2) { transform: translateY(-20px) rotateY(0); }
.hero-phone:nth-child(3) { transform: rotateY(10deg); }
.hero-phone:hover { transform: scale(1.05) rotateY(0); }
.hero-phone img { width: 100%; height: 100%; object-fit: cover; }

/* Buttons */
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(90deg, var(--neon-cyan), #00aaff);
  color: #000;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}
.btn-primary:hover { box-shadow: 0 0 25px rgba(0, 240, 255, 0.8); transform: translateY(-2px); }
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glow);
  color: var(--text-main);
}
.btn-secondary:hover { background: rgba(0, 240, 255, 0.1); border-color: var(--neon-cyan); transform: translateY(-2px); }

/* Sections Common */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 2rem; margin-bottom: 12px; color: #fff; }
.section-header p { color: var(--text-sub); font-size: 1rem; }

/* 今日上新 - Dynamic Gallery */
.gallery-section { background: var(--sea-mid); }
.gallery-track {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.gallery-track::-webkit-scrollbar { display: none; }
.gallery-card {
  flex: 0 0 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transform: skewX(-5deg);
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.gallery-card:hover {
  transform: skewX(0) scale(1.05);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
  border-color: var(--neon-cyan);
  z-index: 2;
}
.gallery-card img { width: 100%; height: 320px; object-fit: cover; }
.gallery-card .card-info {
  position: absolute; bottom: 0; left: 0; width: 100%;
  padding: 20px 15px 15px;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
}
.gallery-card .card-info h3 { font-size: 1rem; color: #fff; margin-bottom: 4px; }
.gallery-card .card-info span { font-size: 0.8rem; color: var(--neon-cyan); }

/* 独家私藏 - Masonry Journal */
.journal-section { background: var(--deep-sea); }
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.journal-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.3s;
}
.journal-card:hover { transform: translateY(-5px); border-color: var(--neon-pink); }
.journal-card img { width: 100%; height: auto; border-radius: 8px; margin-bottom: 15px; object-fit: cover; }
.journal-card h3 { font-size: 1.1rem; color: #fff; margin-bottom: 8px; }
.journal-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.journal-tags span {
  font-size: 0.75rem;
  background: rgba(255, 42, 122, 0.15);
  color: var(--neon-pink);
  padding: 2px 10px;
  border-radius: 10px;
}
.journal-date { font-size: 0.8rem; color: var(--text-sub); display: flex; align-items: center; gap: 6px; }
.journal-date::before { content: ''; display: inline-block; width: 6px; height: 6px; background: var(--neon-cyan); border-radius: 50%; }

/* 热更日历 - Orbital Clock */
.calendar-section { background: var(--sea-mid); position: relative; overflow: hidden; }
.orbital-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbital-center {
  text-align: center;
  background: var(--card-bg);
  padding: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-glow);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
  z-index: 2;
}
.orbital-center h3 { color: var(--neon-cyan); font-size: 1.5rem; margin-bottom: 5px; }
.orbital-center p { color: var(--text-sub); font-size: 0.9rem; }
.orbit-node {
  position: absolute;
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 1px dashed rgba(0, 240, 255, 0.2);
  animation: rotateOrbit 30s linear infinite;
}
.orbit-node:nth-child(2) { animation-duration: 45s; animation-direction: reverse; }
.orbit-node:nth-child(3) { animation-duration: 60s; }
.time-tag {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--neon-cyan);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: #fff;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
  transition: all 0.3s;
}
.time-tag:hover { background: var(--neon-cyan); color: #000; box-shadow: 0 0 20px var(--neon-cyan); }
@keyframes rotateOrbit { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* 许愿墙 & 风向标 - Blind Box */
.wish-section { background: var(--deep-sea); }
.blind-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.blind-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.3s;
}
.blind-card:hover { transform: scale(1.03); }
.blind-card.top-1 {
  grid-column: span 2;
  grid-row: span 2;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(255, 42, 122, 0.1));
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
}
.blind-card.top-2 { border: 1px solid var(--neon-pink); box-shadow: 0 0 20px rgba(255, 42, 122, 0.15); }
.blind-card.top-3 { border: 1px solid rgba(255, 255, 255, 0.2); }
.blind-rank {
  position: absolute; top: 10px; right: 15px;
  font-size: 1.5rem; font-weight: 900; font-style: italic;
  color: rgba(255, 255, 255, 0.1);
}
.top-1 .blind-rank { color: var(--neon-cyan); text-shadow: 0 0 10px var(--neon-cyan); }
.top-2 .blind-rank { color: var(--neon-pink); text-shadow: 0 0 10px var(--neon-pink); }
.blind-card img { width: 100%; height: 120px; object-fit: cover; border-radius: 8px; margin-bottom: 15px; }
.top-1 img { height: 220px; }
.blind-card h3 { font-size: 1rem; color: #fff; margin-bottom: 5px; }
.blind-card p { font-size: 0.85rem; color: var(--text-sub); }

/* 用户反馈 - Message Board */
.feedback-section { background: var(--sea-mid); overflow: hidden; }
.message-board { display: flex; flex-direction: column; gap: 16px; max-width: 800px; margin: 0 auto; }
.msg-item {
  display: flex; gap: 15px;
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--neon-cyan);
  transition: transform 0.2s;
}
.msg-item:nth-child(even) { border-left-color: var(--neon-pink); margin-left: 20px; }
.msg-item:nth-child(odd) { margin-right: 20px; }
.msg-item:hover { transform: translateX(5px); background: rgba(255, 255, 255, 0.06); }
.msg-avatar { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; border: 1px solid var(--border-glow); }
.msg-content { flex: 1; }
.msg-header { display: flex; justify-content: space-between; margin-bottom: 6px; }
.msg-user { font-size: 0.9rem; font-weight: 600; color: var(--neon-cyan); }
.msg-time { font-size: 0.75rem; color: var(--text-sub); }
.msg-text { font-size: 0.9rem; color: var(--text-main); }

/* 隐私 & 答疑 - Accordion */
.faq-section { background: var(--deep-sea); }
.accordion-group { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.acc-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.acc-header {
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: #fff;
  transition: background 0.3s;
}
.acc-header:hover { background: rgba(0, 240, 255, 0.05); }
.acc-icon { font-size: 1.2rem; color: var(--neon-cyan); transition: transform 0.3s; }
.acc-item.active .acc-icon { transform: rotate(45deg); }
.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s;
  padding: 0 20px;
  color: var(--text-sub);
  font-size: 0.95rem;
}
.acc-item.active .acc-body { max-height: 200px; padding: 0 20px 18px; }

/* Download Area */
.download-section {
  background: linear-gradient(to bottom, var(--sea-mid), var(--deep-sea));
  padding: 80px 0;
  text-align: center;
  border-top: 1px solid var(--border-glow);
}
.download-section h2 { font-size: 2rem; margin-bottom: 15px; color: #fff; }
.download-section > p { color: var(--text-sub); margin-bottom: 40px; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto 50px;
  text-align: left;
}
.step-item {
  background: rgba(255, 255, 255, 0.03);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.step-num {
  display: inline-block;
  width: 28px; height: 28px;
  line-height: 28px;
  text-align: center;
  background: var(--neon-cyan);
  color: #000;
  border-radius: 50%;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-item h3 { font-size: 1rem; color: #fff; margin-bottom: 8px; }
.step-item p { font-size: 0.85rem; color: var(--text-sub); }
.download-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }

/* Footer */
.site-footer {
  background: #040a12;
  padding: 50px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 { color: #fff; margin-bottom: 15px; font-size: 1.2rem; display: flex; align-items: center; gap: 10px; }
.footer-brand h3 img { height: 24px; }
.footer-brand p { color: var(--text-sub); font-size: 0.9rem; line-height: 1.8; max-width: 500px; }
.footer-links { display: flex; gap: 40px; }
.footer-col h4 { color: #fff; margin-bottom: 15px; font-size: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-sub); font-size: 0.85rem; transition: color 0.3s; }
.footer-col ul li a:hover { color: var(--neon-cyan); }
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-sub);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-bottom time { color: #5a6f82; }

/* Copy Modal */
.copy-modal-overlay {
  display: none;
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.copy-modal-overlay.show { display: flex; }
.copy-modal {
  background: var(--sea-mid);
  border: 1px solid var(--neon-cyan);
  border-radius: var(--radius-lg);
  padding: 30px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.2);
}
.copy-modal p { color: #fff; margin-bottom: 20px; font-size: 0.95rem; }
.copy-link-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px;
  border-radius: 8px;
  word-break: break-all;
  font-size: 0.85rem;
  color: var(--neon-cyan);
  margin-bottom: 20px;
  user-select: all;
}
.copy-btn {
  width: 100%;
  padding: 12px;
  background: var(--neon-cyan);
  color: #000;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.3s;
}
.copy-btn:hover { background: #00cce0; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-text p { margin: 0 auto 30px; }
  .hero-tags { justify-content: center; }
  .btn-group { justify-content: center; }
  .masonry-grid { grid-template-columns: repeat(2, 1fr); }
  .blind-wall { grid-template-columns: repeat(2, 1fr); }
  .blind-card.top-1 { grid-column: span 2; grid-row: span 1; }
  .footer-content { grid-template-columns: 1fr; }
  .footer-links { justify-content: space-between; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; width: 100%;
    background: rgba(6, 16, 30, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    border-bottom: 1px solid var(--border-glow);
  }
  .nav-links.active { display: flex; }
  .mobile-menu-btn { display: block; }
  .hero-text h1 { font-size: 2rem; }
  .hero-visual-inner { flex-wrap: wrap; gap: 10px; }
  .hero-phone { width: 120px; height: 220px; }
  .hero-phone:nth-child(2) { transform: translateY(0); }
  .masonry-grid { grid-template-columns: 1fr; }
  .blind-wall { grid-template-columns: 1fr; }
  .blind-card.top-1 { grid-column: span 1; }
  .orbital-container { height: 400px; transform: scale(0.8); }
  .steps-grid { grid-template-columns: 1fr; }
  .msg-item:nth-child(even) { margin-left: 0; }
  .msg-item:nth-child(odd) { margin-right: 0; }
  .footer-links { flex-direction: column; gap: 20px; }
}