/* ================================================
   小趴电竞 · 官方网站
   简约大气 · 赛博朋克 · 动感效果
   ================================================ */

:root {
  --bg: #0a0a12;
  --bg-card: #12121e;
  --bg-card-2: #1a1a2e;
  --text: #e8e8f0;
  --text-dim: #888;
  --text-muted: #555;
  --neon-cyan: #00fff7;
  --neon-purple: #bf00ff;
  --neon-pink: #ff00aa;
  --neon-gold: #ffb938;
  --glow-cyan: 0 0 20px rgba(0,255,247,0.4);
  --glow-purple: 0 0 20px rgba(191,0,255,0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ========== 背景 ========== */
.bg-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.bg-particles span {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--neon-cyan);
  border-radius: 50%;
  opacity: 0.4;
  animation: particleFloat 20s infinite linear;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.4; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-20vh) scale(1); opacity: 0; }
}

.scanline {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  opacity: 0.3;
  z-index: 9999;
  animation: scanline 8s linear infinite;
}
@keyframes scanline {
  0% { transform: translateY(0); }
  100% { transform: translateY(100vh); }
}

/* ========== 导航栏 ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  backdrop-filter: blur(16px);
  background: rgba(10,10,18,0.6);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  font-size: 24px;
  color: var(--neon-cyan);
  filter: drop-shadow(0 0 8px var(--neon-cyan));
}
.logo-main {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
}
.logo-en {
  font-family: 'Orbitron', sans-serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-dim);
  padding-left: 10px;
  border-left: 1px solid var(--text-muted);
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  transition: all 0.3s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-cyan);
  transition: width 0.3s;
}
.nav-link:hover,
.nav-link.active {
  color: var(--neon-cyan);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 导航栏“联系我们”按钮样式（保持视觉一致） */
.nav-contact-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}
.footer-contact-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
  color: var(--text-dim);
  font-size: 13px;
  transition: color 0.3s;
}
.footer-contact-btn:hover {
  color: var(--neon-cyan);
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 40px 80px;
  overflow: hidden;
  z-index: 1;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,255,247,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(191,0,255,0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, #0e0e18 100%);
  z-index: -1;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    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;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-left {
  max-width: 620px;
  z-index: 2;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(0,255,247,0.3);
  border-radius: 2px;
  background: rgba(0,255,247,0.05);
  font-family: 'Orbitron', sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--neon-cyan);
  margin-bottom: 32px;
}
.tag-dot {
  width: 6px;
  height: 6px;
  background: var(--neon-cyan);
  border-radius: 50%;
  animation: tagPulse 2s ease-in-out infinite;
}
@keyframes tagPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: 72px;
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 20px;
  animation: titleFadeUp 1s ease-out;
}
@keyframes titleFadeUp {
  from { 
    opacity: 0; 
    transform: translateY(30px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}
.title-line1 {
  display: block;
  background: linear-gradient(135deg, #fff 0%, #e0e0f0 50%, var(--neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(0,255,247,0.3));
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.title-line2 {
  display: block;
  font-family: 'Orbitron', sans-serif;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 8px;
  color: var(--text-dim);
  margin-top: 12px;
  animation: titleFadeUp 1s ease-out 0.2s both;
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 40px;
  font-weight: 300;
  animation: titleFadeUp 1s ease-out 0.3s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
  animation: titleFadeUp 1s ease-out 0.4s both;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #0a0a0a;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 2px;
  border-radius: 4px;
  transition: all 0.3s;
  box-shadow: 0 8px 30px rgba(0,255,247,0.3);
  font-size: 14px;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.btn-primary:hover::before {
  transform: translateX(100%);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(0,255,247,0.5);
  animation: btnPulse 2s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 15px 50px rgba(0,255,247,0.5); }
  50% { box-shadow: 0 15px 60px rgba(191,0,255,0.4); }
}
.btn-primary svg {
  width: 18px;
  height: 18px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 16px 36px;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 1px;
  border-radius: 4px;
  transition: all 0.3s;
  font-size: 14px;
}
.btn-secondary:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0,255,247,0.05);
  transform: translateY(-3px);
}

/* 首页“技术支持”按钮 —— 金色醒目样式 */
.tech-support-btn {
  font-family: inherit;
  cursor: pointer;
  background: rgba(255,185,56,0.08);
  border: 1px solid rgba(255,185,56,0.5);
  color: var(--neon-gold);
  text-shadow: 0 0 12px rgba(255,185,56,0.5);
  letter-spacing: 2px;
  font-weight: 600;
}
.tech-support-btn:hover {
  border-color: var(--neon-gold);
  color: #0a0a0a;
  background: linear-gradient(135deg, var(--neon-gold), #ff8c00);
  text-shadow: none;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255,185,56,0.4);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  animation: titleFadeUp 1s ease-out 0.5s both;
}
.stat {
  display: flex;
  flex-direction: column;
}
.stat b {
  font-family: 'Orbitron', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  animation: statGlow 3s ease-in-out infinite;
}
@keyframes statGlow {
  0%, 100% { text-shadow: 0 0 10px rgba(0,255,247,0.4); }
  50% { text-shadow: 0 0 20px rgba(0,255,247,0.7); }
}
.stat span {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
}
.stat-divider {
  width: 1px;
  height: 30px;
  background: rgba(255,255,255,0.1);
}

/* ========== Hero 右侧图片 ========== */
.hero-right {
  flex: 1;
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-images {
  position: relative;
  width: 480px;
  height: 600px;
}
.hero-img-main {
  position: absolute;
  top: 0;
  right: 0;
  width: 380px;
  height: 520px;
  z-index: 3;
  animation: mainBreath 5s ease-in-out infinite;
}
.hero-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  filter: drop-shadow(0 25px 70px rgba(0,255,247,0.25));
}
@keyframes mainBreath {
  0%, 100% { 
    transform: translateY(0) scale(1);
    filter: drop-shadow(0 25px 70px rgba(0,255,247,0.25));
  }
  50% { 
    transform: translateY(-8px) scale(1.01);
    filter: drop-shadow(0 30px 90px rgba(0,255,247,0.45));
  }
}

.hero-img-deco1 {
  position: absolute;
  top: 40px;
  left: -30px;
  width: 180px;
  height: 240px;
  z-index: 2;
  opacity: 0.9;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  animation: decoDrift1 7s ease-in-out infinite;
}
.hero-img-deco1 img,
.hero-img-deco2 img,
.hero-img-deco3 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-img-deco2 {
  position: absolute;
  bottom: 60px;
  right: -20px;
  width: 150px;
  height: 200px;
  z-index: 4;
  opacity: 0.92;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.18);
  animation: decoDrift2 6s ease-in-out infinite;
}
.hero-img-deco3 {
  position: absolute;
  bottom: 10px;
  left: 60px;
  width: 130px;
  height: 170px;
  z-index: 2;
  opacity: 0.85;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  animation: decoDrift3 8s ease-in-out infinite;
}

/* 优雅的漂移动画 */
@keyframes decoDrift1 {
  0%, 100% { 
    transform: translate(0, 0) rotate(-3deg);
  }
  33% { 
    transform: translate(8px, -12px) rotate(0deg);
  }
  66% { 
    transform: translate(-4px, -6px) rotate(3deg);
  }
}
@keyframes decoDrift2 {
  0%, 100% { 
    transform: translate(0, 0) rotate(2deg);
  }
  50% { 
    transform: translate(-6px, -10px) rotate(-2deg);
  }
}
@keyframes decoDrift3 {
  0%, 100% { 
    transform: translate(0, 0);
  }
  25% { 
    transform: translate(5px, -8px);
  }
  50% { 
    transform: translate(-3px, -4px);
  }
  75% { 
    transform: translate(4px, -12px);
  }
}

/* 网格装饰 */
.hero-grid-deco {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 100px;
  height: 100px;
  border: 1px solid rgba(0,255,247,0.2);
  border-right: none;
  border-bottom: none;
  z-index: 1;
}
.hero-glow-deco {
  position: absolute;
  bottom: -50px;
  left: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(191,0,255,0.15) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

/* 滚动提示 */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Orbitron', sans-serif;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-muted);
  z-index: 2;
}
.scroll-hint span {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--text-muted);
}
.scroll-hint span:first-child {
  animation: scrollLineLeft 2s ease-in-out infinite;
}
.scroll-hint span:last-child {
  animation: scrollLineRight 2s ease-in-out infinite;
}
@keyframes scrollLineLeft {
  0%, 100% { width: 40px; opacity: 0.5; }
  50% { width: 20px; opacity: 0.2; }
}
@keyframes scrollLineRight {
  0%, 100% { width: 40px; opacity: 0.5; }
  50% { width: 20px; opacity: 0.2; }
}

/* ========== 产品区 ========== */
.products {
  padding: 100px 40px;
  position: relative;
  z-index: 1;
}
.section-head {
  text-align: center;
  margin-bottom: 60px;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff, var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  font-family: 'Orbitron', sans-serif;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--text-muted);
}

.products-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.product-card {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(.2,.8,.2,1);
  position: relative;
  opacity: 0;
  transform: translateY(40px);
}
.product-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s cubic-bezier(.2,.8,.2,1);
}
.product-card:hover {
  border-color: rgba(0,255,247,0.4);
  box-shadow: 0 25px 70px rgba(0,255,247,0.15), 0 0 0 1px rgba(0,255,247,0.1);
  transform: translateY(-8px);
}

.product-img-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.08);
}
.product-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--bg-card) 100%);
}

.product-info {
  padding: 32px 36px 36px;
}
.product-code {
  font-family: 'Orbitron', sans-serif;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--neon-cyan);
  margin-bottom: 12px;
}
.product-name {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 28px;
  color: #fff;
}

.product-btns {
  display: flex;
  gap: 14px;
}
.dl-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 24px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #0a0a0a;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 8px;
  transition: all 0.3s;
  font-size: 15px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.dl-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s;
}
.dl-btn:hover::after {
  transform: translateX(100%);
}
.dl-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,255,247,0.35);
}
.dl-btn svg {
  width: 18px;
  height: 18px;
}
.tech-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 1px;
  border-radius: 8px;
  transition: all 0.3s;
  font-size: 15px;
  cursor: pointer;
}
.tech-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0,255,247,0.08);
  transform: translateY(-2px);
}
.tech-btn svg {
  width: 18px;
  height: 18px;
}

.fix-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 24px;
  background: linear-gradient(135deg, rgba(255,185,56,0.15), rgba(255,0,170,0.15));
  border: 1px solid rgba(255,185,56,0.5);
  color: var(--neon-gold);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 8px;
  transition: all 0.3s;
  font-size: 15px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.fix-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s;
}
.fix-btn:hover::after {
  transform: translateX(100%);
}
.fix-btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--neon-gold), var(--neon-pink));
  color: #0a0a0a;
  text-shadow: none;
  box-shadow: 0 10px 30px rgba(255,185,56,0.35);
  border-color: var(--neon-gold);
}
.fix-btn svg {
  width: 18px;
  height: 18px;
}

/* ========== 联系区 ========== */
.contact {
  padding: 100px 40px;
  position: relative;
  z-index: 1;
}
.contact-cards {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.contact-card {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: center;
  transition: all 0.4s;
}
.contact-card:hover {
  border-color: rgba(0,255,247,0.3);
}
.contact-card.wechat-card:hover {
  border-color: rgba(0,255,247,0.4);
}
.contact-card.qq-card:hover {
  border-color: rgba(191,0,255,0.4);
}

.qr-wrap {
  width: 140px;
  height: 140px;
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
}
.qr-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cc-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.cc-info p {
  font-family: 'Orbitron', sans-serif;
  font-size: 16px;
  color: var(--neon-cyan);
  margin-bottom: 16px;
  font-weight: 600;
}
.cc-btns {
  display: flex;
  gap: 10px;
}

.copy-btn,
.copy-btn-sm {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text-dim);
  font-size: 12px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
  font-family: inherit;
}
.copy-btn:hover,
.copy-btn-sm:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.join-btn {
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: #fff;
  text-decoration: none;
  font-size: 12px;
  border-radius: 2px;
  transition: all 0.3s;
  font-weight: 500;
}
.join-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(191,0,255,0.3);
}

/* ========== 页脚 ========== */
.footer {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 40px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.footer-logo {
  color: var(--neon-cyan);
  font-size: 20px;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--neon-cyan);
}
.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-icp {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 1px;
  transition: all 0.3s;
}
.footer-icp:hover {
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}

/* ========== 技术服务弹窗 ========== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal.hidden {
  display: none;
}
.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
}
.modal-card {
  position: relative;
  width: 90%;
  max-width: 520px;
  background: linear-gradient(145deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid rgba(0,255,247,0.2);
  border-radius: 8px;
  padding: 40px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5), 0 0 40px rgba(0,255,247,0.1);
  animation: modalIn 0.4s cubic-bezier(.2,.8,.2,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  cursor: pointer;
  border-radius: 50%;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  transform: rotate(90deg);
}

.modal-header {
  text-align: center;
  margin-bottom: 32px;
}
.modal-icon {
  font-size: 32px;
  margin-bottom: 12px;
}
.modal-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.modal-header p {
  font-size: 14px;
  color: var(--text-dim);
}

.modal-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.modal-qr-item {
  text-align: center;
}
.modal-qr-box {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
}
.modal-qr-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.modal-qr-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.modal-qr-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
}
.modal-qr-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 16px;
  color: var(--neon-cyan);
  font-weight: 600;
}

.modal-footer {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.renew-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--neon-gold), #ff8c00);
  color: #0a0a0a;
  text-decoration: none;
  font-weight: 700;
  border-radius: 4px;
  transition: all 0.3s;
  font-size: 14px;
}
.renew-btn svg {
  width: 16px;
  height: 16px;
}
.renew-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,185,56,0.4);
}
.join-btn-sm {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  border-radius: 4px;
  transition: all 0.3s;
  font-size: 14px;
}
.join-btn-sm:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* ========== Toast ========== */
.toast {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 28px;
  background: rgba(10,10,18,0.95);
  border: 1px solid var(--neon-cyan);
  border-radius: 4px;
  color: var(--neon-cyan);
  font-size: 14px;
  z-index: 2000;
  box-shadow: var(--glow-cyan);
  transition: all 0.4s cubic-bezier(.2,.8,.2,1);
}
.toast.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(-20px);
  pointer-events: none;
}

/* ========== 图片灯箱（放大查看） ========== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox.hidden {
  display: none;
}
.lightbox-mask {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.9);
  backdrop-filter: blur(6px);
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  border-radius: 50%;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  line-height: 1;
}
.lightbox-close:hover {
  background: var(--neon-cyan);
  color: #0a0a0a;
  border-color: var(--neon-cyan);
  transform: rotate(90deg);
  box-shadow: var(--glow-cyan);
}
.lightbox-img {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 30px 100px rgba(0,0,0,0.8), 0 0 60px rgba(0,255,247,0.15);
  border: 1px solid rgba(0,255,247,0.2);
  animation: lightboxIn 0.4s cubic-bezier(.2,.8,.2,1);
}
@keyframes lightboxIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
.lightbox-caption {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  padding: 10px 20px;
  background: rgba(10,10,18,0.85);
  border: 1px solid rgba(0,255,247,0.2);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
  letter-spacing: 1px;
  backdrop-filter: blur(4px);
}

/* ========== 响应式 ========== */
@media (max-width: 900px) {
  .nav-container {
    padding: 0 20px;
  }
  .nav-links {
    gap: 20px;
  }
  .logo-en {
    display: none;
  }
  .hero {
    flex-direction: column-reverse;
    padding: 100px 20px 60px;
    text-align: center;
    gap: 40px;
  }
  .hero-left {
    max-width: 100%;
  }
  .hero-title {
    font-size: 48px;
  }
  .title-line2 {
    font-size: 18px;
    letter-spacing: 4px;
  }
  .hero-actions {
    justify-content: center;
    flex-wrap: wrap;
  }
  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
  }
  .hero-right {
    min-height: 400px;
    width: 100%;
  }
  .hero-images {
    width: 100%;
    max-width: 360px;
    height: 440px;
    margin: 0 auto;
  }
  .hero-img-main {
    width: 280px;
    height: 380px;
  }
  .hero-img-deco1 {
    width: 100px;
    height: 140px;
  }
  .hero-img-deco2 {
    width: 90px;
    height: 120px;
  }
  .hero-img-deco3 {
    width: 80px;
    height: 100px;
  }
  .products {
    padding: 60px 20px;
  }
  .products-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .product-info {
    padding: 24px 22px 26px;
  }
  .product-name {
    font-size: 22px;
    margin-bottom: 22px;
  }
  .dl-btn,
  .tech-btn,
  .fix-btn {
    padding: 15px 18px;
    font-size: 14px;
  }
  .modal-card {
    padding: 24px;
    margin: 20px;
  }
  .modal-body {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}