*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --green: #00C853;
  --green-light: #69F0AE;
  --green-dark: #009624;
  --dark: #06060e;
  --dark2: #0d0d1a;
  --dark3: #141428;
  --gray: #8a8aa3;
  --gray-light: #b0b0cc;
  --white: #f0f0ff;
  --radius: 16px;
  --radius-sm: 10px;
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Helvetica Neue", sans-serif;
  background: var(--dark);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--green); text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Noise Overlay ===== */
body::before {
  content: '';
  position: fixed; top:0; left:0; width:100%; height:100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* ===== Glow Effects ===== */
.glow-green {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,200,83,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed; top:0; left:0; width:100%; z-index:100;
  padding: 16px 0;
  background: rgba(6,6,14,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,200,83,0.08);
  transition: all 0.3s;
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
  position: relative; /* 为绝对定位的汉堡按钮提供参考 */
}
.nav-logo {
  display: flex; align-items: center; gap: 6px;
  font-size: 18px; font-weight: 800; color: var(--white);
  flex-shrink: 0;
  max-width: 70%; /* 防止logo太长挤占汉堡按钮空间 */
}
.nav-logo span { color: var(--green); }
.nav-links {
  display: none; /* 默认隐藏，移动端优先 */
  gap: 20px; align-items: center;
}
.nav-links.open { display: flex; }
.nav-links a {
  color: var(--gray-light); font-size: 14px; font-weight: 500;
  transition: color 0.2s; white-space: nowrap;
}
.nav-links a:hover { color: var(--green); }
.btn-download-nav {
  background: var(--green); color: var(--dark) !important;
  padding: 8px 24px; border-radius: 50px;
  font-weight: 700; font-size: 14px;
  transition: all 0.2s;
}
.btn-download-nav:hover { background: var(--green-light); transform: scale(1.05); }
.nav-toggle {
  display: block; /* 默认显示，移动端优先 */
  position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
  z-index: 101;
  background: none; border: none;
  color: var(--white); font-size: 24px;
  cursor: pointer; padding: 4px 4px 4px 12px;
}
/* 1024px以下：打开汉堡菜单时，垂直排列的导航链接从顶部覆盖 */
@media (max-width: 1024px) {
  .nav-links.open { display: flex; flex-direction: column; position: fixed; top: 60px; left: 0; right: 0; background: rgba(6,6,14,0.98); padding: 16px; gap: 12px; border-bottom: 1px solid rgba(0,200,83,0.1); z-index: 100; }
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero .glow-green { top: -200px; right: -200px; }
.hero .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  position: relative; z-index: 1;
}
.hero-text { max-width: 560px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,200,83,0.1); border: 1px solid rgba(0,200,83,0.25);
  border-radius: 50px; padding: 6px 18px;
  font-size: 13px; color: var(--green-light);
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease-out;
}
.hero-badge::before { content: '🎙️'; }
.hero h1 {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--green), var(--green-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px; color: var(--gray-light);
  margin-bottom: 36px; line-height: 1.7;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}
.hero-btns {
  display: flex; gap: 16px; flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green); color: var(--dark);
  padding: 16px 36px; border-radius: 50px;
  font-weight: 700; font-size: 17px;
  border: none; cursor: pointer;
  transition: all 0.25s;
  box-shadow: 0 0 30px rgba(0,200,83,0.3);
}
.btn-primary:hover { background: var(--green-light); transform: translateY(-2px); box-shadow: 0 0 40px rgba(0,200,83,0.4); }
.btn-primary svg { width:20px; height:20px; }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--white);
  padding: 16px 36px; border-radius: 50px;
  font-weight: 600; font-size: 17px;
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all 0.25s;
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); }

/* Phone Mockup */
.hero-phone {
  display: flex; justify-content: center;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}
.phone-frame {
  width: 280px; height: 580px;
  background: var(--dark2);
  border-radius: 40px;
  border: 3px solid rgba(255,255,255,0.1);
  padding: 12px;
  position: relative;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 60px rgba(0,200,83,0.08);
}
.phone-notch {
  width: 100px; height: 24px;
  background: var(--dark);
  border-radius: 0 0 16px 16px;
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  z-index: 2;
}
.phone-screen {
  width: 100%; height: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: var(--dark3);
  position: relative;
}
.phone-screen img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 28px;
}

/* Floating elements around phone */
.phone-float {
  position: absolute;
  background: rgba(13,13,26,0.9);
  border: 1px solid rgba(0,200,83,0.2);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 14px;
  backdrop-filter: blur(10px);
  animation: float 3s ease-in-out infinite;
  white-space: nowrap;
}
.phone-float.f1 { top: 80px; left: -140px; animation-delay: 0s; }
.phone-float.f2 { top: 220px; right: -150px; animation-delay: 1s; }
.phone-float.f3 { bottom: 120px; left: -120px; animation-delay: 2s; }
.phone-float .icon { margin-right: 6px; }

/* ===== Stats Bar ===== */
.stats-bar {
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  text-align: center;
}
.stat-item h3 {
  font-size: clamp(28px, 3vw, 40px); font-weight: 900;
  background: linear-gradient(135deg, var(--green), var(--green-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item p { color: var(--gray); font-size: 14px; margin-top: 4px; }

/* ===== Features ===== */
.features {
  padding: 100px 0;
  position: relative;
}
.features .glow-green { bottom: -300px; left: -200px; }
.section-tag {
  display: inline-block;
  color: var(--green); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 3px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900; line-height: 1.2;
  margin-bottom: 16px;
}
.section-desc {
  color: var(--gray-light); font-size: 17px;
  max-width: 560px; margin-bottom: 56px;
}
.features-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.feature-card {
  background: linear-gradient(145deg, rgba(20,20,40,0.8), rgba(13,13,26,0.6));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top:0; left:0; right:0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(0,200,83,0.2); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--gray); font-size: 14px; line-height: 1.6; }
.feature-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px; font-weight: 600;
  color: var(--green);
  background: rgba(0,200,83,0.1);
  padding: 4px 12px; border-radius: 50px;
}

/* ===== AI Demo Section ===== */
.ai-demo {
  padding: 100px 0;
  position: relative;
}
.ai-demo .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.demo-chat {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}
.chat-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.chat-avatar {
  width: 40px; height: 40px;
  background: var(--green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.chat-name { font-weight: 700; font-size: 16px; }
.chat-status { font-size: 12px; color: var(--green); }
.chat-messages { display: flex; flex-direction: column; gap: 16px; }
.chat-msg {
  max-width: 85%;
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(10px);
  animation: msgAppear 0.4s ease-out forwards;
}
.chat-msg.user {
  align-self: flex-end;
  background: rgba(0,200,83,0.15);
  border: 1px solid rgba(0,200,83,0.2);
  color: var(--green-light);
  border-bottom-right-radius: 4px;
}
.chat-msg.ai {
  align-self: flex-start;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--white);
  border-bottom-left-radius: 4px;
}
.chat-msg.ai .typing-dots span {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--gray);
  border-radius: 50%;
  margin: 0 2px;
  animation: blink 1.4s infinite;
}
.chat-msg.ai .typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.chat-msg.ai .typing-dots span:nth-child(3) { animation-delay: 0.4s; }
.chat-msg.delay-1 { animation-delay: 0.8s; }
.chat-msg.delay-2 { animation-delay: 2.0s; }
.chat-msg.delay-3 { animation-delay: 3.2s; }
.chat-msg.delay-4 { animation-delay: 4.4s; }

.demo-info h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 900; line-height: 1.2;
  margin-bottom: 20px;
}
.demo-info h2 .highlight {
  background: linear-gradient(135deg, var(--green), var(--green-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.demo-info p { color: var(--gray-light); font-size: 17px; line-height: 1.7; margin-bottom: 24px; }
.demo-features {
  display: flex; flex-direction: column; gap: 14px;
}
.demo-feature {
  display: flex; align-items: center; gap: 12px;
  font-size: 15px; color: var(--gray-light);
}
.demo-feature .check {
  width: 24px; height: 24px;
  background: rgba(0,200,83,0.15);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--green); font-size: 13px; font-weight: 700;
  flex-shrink: 0;
}

/* ===== Creator Section ===== */
.creator {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(0,200,83,0.03), transparent);
}
.creator-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 48px;
}
.creator-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}
.creator-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,200,83,0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.creator-card .card-icon {
  width: 72px; height: 72px;
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  margin: 0 auto 20px;
}
.creator-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 10px; }
.creator-card p { color: var(--gray); font-size: 14px; line-height: 1.6; margin-bottom: 16px; }
.creator-card .examples {
  display: flex; flex-wrap: wrap; gap: 6px; justify-content: center;
}
.creator-card .tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 50px;
  background: rgba(255,255,255,0.05);
  color: var(--gray-light);
}

/* ===== Floating Ball Section ===== */
.floating-ball {
  padding: 100px 0;
}
.floating-ball .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.ball-visual {
  display: flex; justify-content: center;
  position: relative;
}
.ball-demo {
  width: 200px; height: 200px;
  background: radial-gradient(circle at 35% 35%, var(--green-light), var(--green), var(--green-dark));
  border-radius: 50%;
  box-shadow: 0 0 60px rgba(0,200,83,0.3), 0 0 120px rgba(0,200,83,0.15), inset 0 -20px 40px rgba(0,0,0,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
  animation: breathe 3s ease-in-out infinite;
  position: relative;
}
.ball-ring {
  position: absolute;
  width: 260px; height: 260px;
  border: 1px solid rgba(0,200,83,0.15);
  border-radius: 50%;
  animation: ringPulse 3s ease-in-out infinite;
}
.ball-ring:nth-child(2) { width: 320px; height: 320px; animation-delay: 0.5s; }
.ball-ring:nth-child(3) { width: 380px; height: 380px; animation-delay: 1s; }

.ball-info h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 900; margin-bottom: 20px; line-height: 1.2;
}
.ball-info p { color: var(--gray-light); font-size: 17px; line-height: 1.7; margin-bottom: 24px; }
.modes-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.mode-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 16px 12px;
  text-align: center;
}
.mode-card .mode-icon { font-size: 24px; margin-bottom: 8px; }
.mode-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.mode-card p { font-size: 12px; color: var(--gray); }

/* ===== Screenshots Section ===== */
.screenshots {
  padding: 100px 0;
  overflow: hidden;
}
.scroll-wrapper {
  position: relative;
  margin-top: 48px;
}
.scroll-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 20px 40px 30px;
  scrollbar-width: none;
}
.scroll-track::-webkit-scrollbar { display: none; }
.screenshot-item {
  flex: 0 0 240px;
  scroll-snap-align: center;
  position: relative;
}
.screenshot-item img {
  width: 240px;
  height: 480px;
  object-fit: cover;
  border-radius: 24px;
  border: 2px solid rgba(255,255,255,0.08);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  transition: all 0.3s;
  background: var(--dark3);
}
.screenshot-item:hover img {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(0,200,83,0.3);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 30px rgba(0,200,83,0.1);
}
.screenshot-label {
  text-align: center;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-light);
}
.scroll-hint {
  text-align: center;
  margin-top: 16px;
  color: var(--gray);
  font-size: 13px;
  animation: fadeInUp 0.6s ease-out 1s both;
}

/* ===== Video Section ===== */
.video-section {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent, rgba(0,200,83,0.02), transparent);
}
.video-wrapper {
  max-width: 480px;
  margin: 48px auto 0;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 60px rgba(0,200,83,0.08);
}
.video-wrapper video {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.06);
}

/* ===== CTA Section ===== */
.cta {
  padding: 100px 0;
  text-align: center;
  position: relative;
}
.cta .glow-green { top:50%; left:50%; transform: translate(-50%,-50%); }
.cta h2 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900; margin-bottom: 16px;
  position: relative; z-index:1;
}
.cta h2 .highlight {
  background: linear-gradient(135deg, var(--green), var(--green-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta p {
  color: var(--gray-light); font-size: 18px;
  margin-bottom: 36px;
  position: relative; z-index:1;
}
.cta .btn-primary {
  font-size: 20px; padding: 18px 48px;
  position: relative; z-index:1;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 32px;
  width: 48px;
  height: 48px;
  background: var(--green);
  color: var(--dark);
  border: none;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,200,83,0.35);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s;
  z-index: 200;
  pointer-events: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--green-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 28px rgba(0,200,83,0.5);
}

/* ===== Footer ===== */
footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  color: var(--gray);
  font-size: 14px;
}
footer a { color: var(--gray-light); margin: 0 16px; }
footer a:hover { color: var(--green); }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes msgAppear {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes blink {
  0%, 80%, 100% { opacity: 0.3; }
  40% { opacity: 1; }
}
@keyframes breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 0 60px rgba(0,200,83,0.3), 0 0 120px rgba(0,200,83,0.15); }
  50% { transform: scale(1.05); box-shadow: 0 0 80px rgba(0,200,83,0.4), 0 0 160px rgba(0,200,83,0.2); }
}
@keyframes ringPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.1; transform: scale(1.05); }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero .container, .ai-demo .container, .floating-ball .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-text { max-width: 100%; }
  .hero-btns { justify-content: center; }
  .hero-phone { margin-top: 40px; }
  .phone-float { display: none; }
  .demo-chat { order: 2; }
  .demo-info { order: 1; }
  .ball-visual { order: 1; }
  .ball-info { order: 2; }
  .hero { padding: 100px 0 60px; min-height: auto; }
  .features, .ai-demo, .creator, .floating-ball, .screenshots, .video-section, .cta { padding: 60px 0; }
}
@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
  .creator-cards { grid-template-columns: 1fr; }
  .modes-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .phone-frame { width: 220px; height: 460px; }
  /* 紧凑间距 */
  .hero { padding: 80px 0 40px; min-height: auto; }
  .hero h1 { font-size: 32px; }
  .hero-desc { font-size: 15px; margin-bottom: 24px; }
  .btn-primary { padding: 12px 28px; font-size: 15px; }
  .btn-secondary { padding: 12px 28px; font-size: 15px; }
  .features, .ai-demo, .creator, .floating-ball, .screenshots, .video-section, .cta { padding: 48px 0; }
  .section-title { font-size: 26px; margin-bottom: 12px; }
  .section-desc { font-size: 15px; margin-bottom: 36px; }
  /* 截图卡片手机适配 */
  .screenshot-item { flex: 0 0 180px; }
  .screenshot-item img { width: 180px; height: 360px; }
  .scroll-track { padding: 12px 24px 24px; gap: 14px; }
  /* 视频区手机适配 */
  .video-wrapper { max-width: 100%; }
  /* AI对话区手机适配 */
  .demo-chat { padding: 20px; }
  .chat-msg { font-size: 13px; padding: 10px 14px; }
  /* 悬浮球区 */
  .ball-demo { width: 140px; height: 140px; font-size: 36px; }
  .ball-ring { width: 180px; height: 180px; }
  .ball-ring:nth-child(2) { width: 220px; height: 220px; }
  .ball-ring:nth-child(3) { width: 260px; height: 260px; }
  .ball-info h2 { font-size: 26px; }
  /* CTA */
  .cta h2 { font-size: 28px; }
  .cta p { font-size: 15px; }
  .cta .btn-primary { font-size: 16px; padding: 14px 36px; }
  /* 功能卡片 */
  .feature-card { padding: 24px 18px; }
  .feature-card h3 { font-size: 18px; }
  /* 创造者卡片 */
  .creator-card { padding: 28px 20px; }
  .creator-card h3 { font-size: 20px; }
  /* 数据条 */
  .stat-item h3 { font-size: 28px; }
  .stats-bar { padding: 28px 0; }
  /* 返回顶部 */
  .back-to-top { width: 42px; height: 42px; font-size: 18px; right: 16px; bottom: 20px; }
}
@media (max-width: 400px) {
  .hero h1 { font-size: 28px; }
  .phone-frame { width: 190px; height: 400px; }
  .screenshot-item { flex: 0 0 155px; }
  .screenshot-item img { width: 155px; height: 310px; }
  .btn-primary { padding: 10px 22px; font-size: 14px; }
  .btn-secondary { padding: 10px 22px; font-size: 14px; }
}

/* ===== Desktop: 1025px以上显示水平导航，隐藏汉堡按钮 ===== */
@media (min-width: 1025px) {
  .nav-links { display: flex; flex-direction: row; }
  .nav-toggle { display: none; }
}

/* ===== Game Grid (Dark Theme) ===== */
.game-list { padding: 60px 0; }
.ranking-list { max-width: 1100px; margin: 30px auto 0; }
.ranking-list ul {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.ranking-list li {
  background: rgba(20,20,40,0.6);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 14px;
  padding: 0;
  overflow: hidden;
  transition: all 0.25s;
  display: flex; flex-direction: column;
}
.ranking-list li:hover {
  border-color: rgba(0,200,83,0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}
.ranking-list li a {
  display: flex; flex-direction: column;
  text-decoration: none; flex: 1;
}
.ranking-list li .rimg {
  width: 100%; aspect-ratio: 1 / 1;
  object-fit: cover; display: block;
  background: var(--dark3);
}
.ranking-list li .ranking-txt {
  padding: 10px 12px 6px; flex: 1;
  display: flex; flex-direction: column;
}
.ranking-list li .ranking-txt h1 {
  font-size: 13px; font-weight: 700; color: var(--white);
  margin: 0 0 4px; line-height: 1.3;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.ranking-list li .ranking-txt h2 {
  font-size: 11px; color: var(--gray); font-weight: 400; margin: 0 0 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ranking-list li:hover .ranking-txt h1 { color: var(--green); }
.ranking-list .download {
  padding: 0 12px 12px;
}
.download-btn {
  display: block; text-align: center;
  background: rgba(0,200,83,0.12); color: var(--green);
  padding: 7px 0; border-radius: 8px;
  font-size: 12px; font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}
.ranking-list li:hover .download-btn {
  background: var(--green); color: #0a0a1a;
}
.download-num { display: none; }
.game-list .btn-secondary { display: inline-block; margin-top: 24px; }

@media (max-width: 1024px) {
  .ranking-list ul { grid-template-columns: repeat(3, 1fr); gap: 12px; }
}
@media (max-width: 640px) {
  .game-list { padding: 40px 0; }
  .ranking-list ul { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .ranking-list li .ranking-txt { padding: 8px 10px 4px; }
  .ranking-list li .ranking-txt h1 { font-size: 12px; }
  .ranking-list .download { padding: 0 10px 10px; }
  .download-btn { padding: 6px 0; font-size: 11px; }
}

/* ===== Community Posts Section ===== */
.posts-section { padding: 60px 0; }
.posts-grid {
  max-width: 1100px; margin: 30px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.post-card {
  display: flex; flex-direction: column;
  background: rgba(20,20,40,0.6);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 14px;
  padding: 20px;
  text-decoration: none;
  transition: all 0.25s;
  min-height: 180px;
}
.post-card:hover {
  border-color: rgba(0,200,83,0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}
.post-card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
.post-category {
  font-size: 11px; font-weight: 600;
  background: rgba(0,200,83,0.12); color: var(--green);
  padding: 3px 10px; border-radius: 50px;
}
.post-time { font-size: 12px; color: var(--gray); }
.post-card-title {
  font-size: 15px; font-weight: 700; color: var(--white);
  margin: 0 0 10px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card:hover .post-card-title { color: var(--green); }
.post-card-excerpt {
  font-size: 13px; color: var(--gray-light); line-height: 1.5;
  flex: 1; margin: 0 0 14px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-meta {
  display: flex; gap: 16px;
  font-size: 12px; color: var(--gray);
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 12px;
}

@media (max-width: 1024px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .posts-section { padding: 40px 0; }
  .posts-grid { grid-template-columns: 1fr; gap: 12px; }
  .post-card { padding: 16px; min-height: auto; }
  .post-card-title { font-size: 14px; }
}