/* ============================
   迅鸽智能官网 - 全局样式
   参考华为云风格
   ============================ */

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

:root {
  --primary: #C7000A;
  --primary-dark: #9E0008;
  --primary-light: #FF1A26;
  --blue: #0057A8;
  --blue-light: #1472CC;
  --purple: #6B3FA0;
  --text-primary: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #888;
  --bg: #fff;
  --bg-light: #F8F8F8;
  --bg-dark: #0D1117;
  --border: #E5E5E5;
  --border-light: #F0F0F0;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
  --max-width: 1400px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text-primary); background: var(--bg); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* Container */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ============================
   导航栏
   ============================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 64px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.nav-wrapper {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 32px; flex-wrap: nowrap;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name { font-size: 18px; font-weight: 600; color: var(--text-primary); letter-spacing: -0.3px; }
.logo-sub { font-size: 10px; color: var(--text-muted); letter-spacing: 1px; font-weight: 400; }
.nav-menu { display: flex; align-items: center; gap: 4px; flex-wrap: nowrap; white-space: nowrap; }
.nav-link {
  padding: 8px 16px; font-size: 15px; color: var(--text-secondary);
  border-radius: var(--radius-sm); transition: var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--primary); background: rgba(199,0,10,0.04); }
.nav-link.active { color: var(--primary); font-weight: 500; }
.nav-link.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 16px; height: 2px; background: var(--primary); border-radius: 1px;
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.mobile-menu-btn { display: none; }

/* ============================
   导航下拉菜单（生态配套）
   ============================ */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  display: flex; align-items: center; gap: 4px; cursor: pointer;
}
.dropdown-arrow { transition: transform 0.25s ease; flex-shrink: 0; }
.nav-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }
.dropdown-mega {
  position: absolute; top: 100%; left: -20px;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  min-width: 620px; padding: 28px 32px 24px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all 0.25s ease; z-index: 1001;
}
.nav-dropdown:hover .dropdown-mega {
  opacity: 1; visibility: visible; transform: translateY(4px);
}
.dropdown-mega.open {
  opacity: 1; visibility: visible; transform: translateY(4px);
}
.dropdown-subtitle {
  font-size: 13px; color: var(--text-muted);
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}
.dropdown-columns { display: flex; gap: 32px; }
.dropdown-column { flex: 1; }
.dropdown-column h4 {
  font-size: 14px; font-weight: 600; color: var(--text-primary);
  margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
}
.dropdown-column a {
  display: block; padding: 7px 0; font-size: 13px;
  color: var(--text-secondary); transition: var(--transition);
  border-radius: 4px; padding-left: 8px; margin-left: -8px;
}
.dropdown-column a:hover {
  color: var(--primary); background: rgba(199,0,10,0.04);
}

/* ============================
   按钮
   ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; border: none; cursor: pointer;
  transition: var(--transition); line-height: 1;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(199,0,10,0.3); }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: rgba(199,0,10,0.05); }
.btn-white { background: #fff; color: var(--primary); font-weight: 600; }
.btn-white:hover { background: #f5f5f5; }
.btn-outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn-lg { padding: 14px 32px; font-size: 15px; border-radius: var(--radius-md); }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* ============================
   通用 Section 样式
   ============================ */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block; padding: 4px 14px;
  background: rgba(199,0,10,0.08); color: var(--primary);
  border-radius: 20px; font-size: 13px; font-weight: 500;
  margin-bottom: 16px;
}
.section-title { font-size: 36px; font-weight: 600; color: var(--text-primary); line-height: 1.3; margin-bottom: 16px; }
.section-title.left { text-align: left; }
.section-desc { font-size: 16px; color: var(--text-secondary); max-width: 560px; margin: 0 auto; }
.text-gradient {
  background: linear-gradient(135deg, #C7000A 0%, #FF4D55 50%, #0057A8 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ============================
   Hero 区域
   ============================ */
.hero {
  min-height: 580px; display: flex; align-items: center;
  padding-top: 64px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0D1117 0%, #1A2332 50%, #1E3A5F 100%);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid {
  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: 80px 80px;
}
.hero-glow {
  position: absolute; right: -100px; top: 50%; transform: translateY(-50%);
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, rgba(99, 102, 241, 0.08) 50%, transparent 70%);
}
.hero-glow-2 {
  position: absolute; left: -150px; bottom: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 0, 10, 0.08) 0%, transparent 70%);
}
.hero > .container {
  display: grid; grid-template-columns: 1fr 0.75fr; gap: 180px;
  align-items: center; position: relative; z-index: 1;
  padding-top: 40px; padding-bottom: 40px; max-width: 1600px;
}
.hero-content { max-width: 100%; }
.hero-visual { max-width: 520px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px; font-size: 13px; color: rgba(255,255,255,0.9);
  margin-bottom: 20px; box-shadow: none;
}
.badge-dot { width: 8px; height: 8px; background: #22C55E; border-radius: 50%; flex-shrink: 0; }
.hero-title { font-size: 48px; font-weight: 700; line-height: 1.2; margin-bottom: 20px; letter-spacing: -0.5px; color: #fff; }
.hero-desc { font-size: 16px; color: rgba(255,255,255,0.75); line-height: 1.8; margin-bottom: 32px; max-width: none; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 40px; }
.hero-stats { display: flex; align-items: center; gap: 0; }
.stat-item { padding: 0 24px; }
.stat-item:first-child { padding-left: 0; }
.stat-num { font-size: 28px; font-weight: 700; color: #fff; display: block; }
.stat-unit { font-size: 16px; font-weight: 400; color: #60A5FA; }
.stat-label { font-size: 12px; color: rgba(255,255,255,0.5); display: block; margin-top: 2px; }
.stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,0.15); flex-shrink: 0; }

/* Hero Visual */
.hero-visual { position: relative; }
.visual-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}
.main-card { padding: 20px 20px 56px; }
.card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.card-dots { display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #28CA41; }
.card-title-sm { font-size: 13px; color: var(--text-muted); }
.detection-demo {}
.demo-image {
  height: 160px; background: linear-gradient(135deg, #0D1117 0%, #1A2332 100%);
  border-radius: var(--radius-md); position: relative; overflow: hidden;
  margin-bottom: 16px; display: flex; align-items: center; justify-content: center;
}
.detection-box {
  position: absolute; border: 2px solid #00FF88; border-radius: 4px;
  display: flex; align-items: flex-start;
}
.face-box { width: 70px; height: 80px; top: 30px; left: 40px; }
.car-box { width: 90px; height: 40px; bottom: 25px; right: 30px; border-color: #FF6B35; }
.det-label {
  position: absolute; top: -20px; left: 0;
  font-size: 10px; color: #00FF88; white-space: nowrap; font-weight: 500;
}
.car-box .det-label { color: #FF6B35; }
.scan-line {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #00FF88, transparent);
  top: 50%; animation: scan 2s ease-in-out infinite;
}
@keyframes scan { 0%,100% { top: 20%; opacity: 0.8; } 50% { top: 80%; } }
.demo-metrics { display: flex; flex-direction: column; gap: 10px; }
.metric-row { display: flex; align-items: center; gap: 10px; }
.metric-name { font-size: 12px; color: var(--text-muted); width: 52px; flex-shrink: 0; }
.metric-bar { flex: 1; height: 6px; background: var(--bg-light); border-radius: 3px; overflow: hidden; }
.metric-fill { height: 100%; background: var(--primary); border-radius: 3px; transition: width 1s ease; }
.metric-fill.amber { background: #F59E0B; }
.metric-fill.green { background: #22C55E; }
.metric-val { font-size: 12px; font-weight: 500; width: 44px; text-align: right; }
.float-card {
  position: absolute; padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  border-radius: var(--radius-md); font-size: 13px;
}
/* 两个浮窗水平并排放在主卡下方，左右对称 */
.card-1 { left: -32px; bottom: -32px; animation: float 3s ease-in-out infinite; animation-delay: 0s; }
.card-2 { right: -32px; bottom: -32px; animation: float 3s ease-in-out infinite; animation-delay: 1.5s; }
@keyframes float2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.fc-title { font-weight: 500; font-size: 13px; line-height: 1.2; }
.fc-sub { font-size: 12px; color: var(--text-muted); line-height: 1.2; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ===== Hero 视觉卡片 · 强化版 ===== */
.card-header { position: relative; }
.card-status {
  margin-left: auto; display: flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; color: #EF4444; letter-spacing: 0.08em;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%; background: #EF4444;
  box-shadow: 0 0 0 0 rgba(239,68,68,0.6);
  animation: pulse-red 1.6s ease-out infinite;
}
@keyframes pulse-red {
  0% { box-shadow: 0 0 0 0 rgba(239,68,68,0.7); }
  70% { box-shadow: 0 0 0 8px rgba(239,68,68,0); }
  100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); }
}
.status-text { font-family: monospace; }
.card-version {
  font-size: 10px; font-weight: 500; color: rgba(0,0,0,0.35);
  font-family: monospace; letter-spacing: 0.05em;
  padding: 1px 6px; border: 1px solid rgba(0,0,0,0.08); border-radius: 4px;
  line-height: 1.4;
}

/* 检测场景模拟 */
.demo-image { background: #0D1117; }
.scene-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(99,102,241,0.08) 0%, transparent 50%),
    linear-gradient(180deg, transparent 60%, rgba(199,0,10,0.08) 100%);
}
.scene-grid {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.4;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 70%, transparent 100%);
}
/* 模拟人物剪影 */
.scene-person {
  position: absolute; left: 28px; top: 24px; width: 56px; height: 90px;
  background: radial-gradient(circle at 50% 28%, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.08) 22%, transparent 24%),
              linear-gradient(180deg, transparent 30%, rgba(255,255,255,0.1) 32%, rgba(255,255,255,0.1) 70%, transparent 72%);
  border-radius: 50% 50% 0 0 / 40% 40% 0 0;
  filter: blur(0.4px);
}
/* 模拟车辆剪影 */
.scene-car {
  position: absolute; right: 22px; bottom: 24px; width: 110px; height: 36px;
  background: linear-gradient(180deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.06) 100%);
  border-radius: 18px 18px 6px 6px / 24px 24px 6px 6px;
  box-shadow: 0 2px 0 rgba(255,255,255,0.04);
  position: absolute;
}
.scene-car::before, .scene-car::after {
  content: ''; position: absolute; bottom: -6px; width: 18px; height: 18px;
  background: radial-gradient(circle, rgba(0,0,0,0.6) 35%, rgba(255,255,255,0.08) 36%, rgba(255,255,255,0.08) 60%, transparent 62%);
  border-radius: 50%;
}
.scene-car::before { left: 8px; }
.scene-car::after { right: 8px; }

/* 检测框 - 4 角样式（科技感） */
.detection-box {
  background: transparent;
  border: none;
  box-shadow: none;
}
.det-corner {
  position: absolute; width: 12px; height: 12px;
  border: 2px solid #00FF88;
}
.det-corner.tl { top: 0; left: 0; border-right: none; border-bottom: none; border-radius: 2px 0 0 0; }
.det-corner.tr { top: 0; right: 0; border-left: none; border-bottom: none; border-radius: 0 2px 0 0; }
.det-corner.bl { bottom: 0; left: 0; border-right: none; border-top: none; border-radius: 0 0 0 2px; }
.det-corner.br { bottom: 0; right: 0; border-left: none; border-top: none; border-radius: 0 0 2px 0; }
.face-box .det-corner { border-color: #00FF88; box-shadow: 0 0 8px rgba(0,255,136,0.4); }
.car-box .det-corner { border-color: #FF6B35; box-shadow: 0 0 8px rgba(255,107,53,0.4); }

.face-box { top: 26px; left: 32px; }
.car-box { bottom: 22px; right: 26px; }
.det-label {
  position: absolute; top: -22px; left: -2px;
  padding: 2px 8px;
  font-size: 10px; font-weight: 600; color: #00FF88;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(0,255,136,0.3);
  border-radius: 3px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.car-box .det-label { color: #FF6B35; border-color: rgba(255,107,53,0.3); }

/* HUD 时间码 */
.hud-timecode {
  position: absolute; left: 12px; top: 10px;
  font-family: monospace; font-size: 10px; font-weight: 600;
  color: rgba(255,255,255,0.6); letter-spacing: 0.05em;
  padding: 2px 6px; background: rgba(0,0,0,0.4); border-radius: 3px;
}

/* 扫描线强化 */
.scan-line {
  background: linear-gradient(90deg, transparent 0%, #00FF88 30%, #00FF88 70%, transparent 100%);
  box-shadow: 0 0 8px #00FF88, 0 0 16px rgba(0,255,136,0.4);
  height: 1.5px;
}

/* 进度条颜色重做 - 更克制 */
.metric-fill.purple { background: linear-gradient(90deg, #6366F1, #8B5CF6); }
.metric-fill.cyan { background: linear-gradient(90deg, #06B6D4, #10B981); }
.metric-bar { position: relative; }
.metric-spark {
  position: absolute; right: 30%; top: -2px; width: 2px; height: 10px;
  background: rgba(255,255,255,0.7);
  box-shadow: 0 0 4px rgba(255,255,255,0.6);
  animation: spark 2s ease-in-out infinite;
}
@keyframes spark {
  0%, 100% { opacity: 0.3; right: 30%; }
  50% { opacity: 1; right: 65%; }
}

/* 浮窗 - 加向上箭头指向主卡 */
.float-card {
  position: relative;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
}
.float-arrow {
  position: absolute; top: -6px; left: 50%; transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid #fff;
}
.float-arrow.flip {
  top: -6px; left: 50%; transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid #fff;
}


/* ============================
   核心业务
   ============================ */
.business-section { background: var(--bg); }
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.business-card {
  padding: 32px; border: 1px solid var(--border);
  border-radius: var(--radius-lg); cursor: pointer;
  transition: var(--transition); position: relative; overflow: hidden;
  background: #fff;
  display: flex; flex-direction: column;
}
.business-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0; transition: var(--transition);
}
.business-card:hover { border-color: rgba(199,0,10,0.2); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.business-card:hover::before { opacity: 1; }
.bc-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  flex-shrink: 0;
}
.bc-red { background: var(--primary); }
.bc-blue { background: var(--blue); }
.bc-purple { background: var(--purple); }
.bc-title { font-size: 20px; font-weight: 600; margin-bottom: 12px; min-height: 28px; }
.bc-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; flex: 1; }
.bc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; min-height: 32px; align-items: flex-start; }
.tag {
  padding: 4px 10px; background: var(--bg-light);
  border: 1px solid var(--border); border-radius: 4px;
  font-size: 12px; color: var(--text-secondary);
}
.bc-link { font-size: 14px; color: var(--primary); font-weight: 500; margin-top: auto; }
.bc-link:hover { text-decoration: underline; }

/* ============================
   算法矩阵
   ============================ */
.algo-section { background: var(--bg-light); }
.algo-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.algo-item {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 24px 16px; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-md); cursor: pointer; transition: var(--transition);
}
.algo-item:hover { border-color: var(--primary); box-shadow: 0 4px 16px rgba(199,0,10,0.1); transform: translateY(-2px); }
.algo-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: rgba(199,0,10,0.06); display: flex; align-items: center; justify-content: center;
}
.algo-name { font-size: 14px; font-weight: 500; color: var(--text-primary); }

/* ============================
   硬件产品
   ============================ */
.hardware-section { background: var(--bg); }
.hw-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.hw-desc { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 28px; margin-top: 20px; }
.hw-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.hw-features li { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.feat-icon { color: var(--primary); font-weight: 700; font-style: normal; flex-shrink: 0; }
.hw-products { display: flex; flex-direction: column; gap: 20px; }
.hw-product-card {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; display: flex; align-items: center; gap: 24px;
  transition: var(--transition);
}
.hw-product-card:hover { border-color: rgba(0,87,168,0.3); box-shadow: var(--shadow-sm); }
.hw-product-img { flex-shrink: 0; }
.hw-product-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.hw-product-card p { font-size: 13px; color: var(--text-muted); }

/* NAS/算法盒子 CSS 可视化 */
.nas-visual, .box-visual {
  width: 100px; height: 70px; display: flex; align-items: center; justify-content: center;
}
.nas-body {
  width: 90px; height: 60px;
  background: linear-gradient(145deg, #2A2A2A, #1A1A1A);
  border-radius: 8px; padding: 8px 12px;
  display: flex; flex-direction: column; justify-content: space-between;
  border: 1px solid #444; position: relative;
}
.nas-light {
  position: absolute; top: 8px; right: 10px;
  width: 6px; height: 6px; border-radius: 50%;
  background: #00FF88; box-shadow: 0 0 4px #00FF88;
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.nas-label { font-size: 7px; color: #aaa; font-weight: 500; font-family: monospace; }
.nas-ports { display: flex; gap: 5px; align-items: center; }
.port {
  width: 14px; height: 8px;
  background: #333; border: 1px solid #555; border-radius: 2px;
}
.port.usb { width: 8px; height: 12px; background: #2A6DE0; }

.algo-box {
  width: 90px; height: 60px;
  background: linear-gradient(145deg, #0A1628, #0D1F3C);
  border-radius: 6px; padding: 8px;
  border: 1px solid #1E3A5F; position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
}
.box-led {
  position: absolute; top: 7px; right: 8px;
  width: 5px; height: 5px; border-radius: 50%;
  background: #0057A8; animation: blink 2s ease-in-out infinite;
}
.box-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 3px; }
.box-grid span {
  height: 8px; background: rgba(0,87,168,0.3);
  border-radius: 1px; border: 1px solid rgba(0,87,168,0.5);
}
.box-label { font-size: 7px; color: #5A9FD4; font-family: monospace; }

/* ============================
   AI 模型中心
   ============================ */
.model-section { background: var(--bg-dark); }
.model-section .section-tag { background: rgba(199,0,10,0.2); color: #FF6B73; }
.model-section .section-title { color: #fff; }
.model-section .section-desc { color: rgba(255,255,255,0.6); }
.model-content { display: flex; flex-direction: column; gap: 48px; }
.model-logos { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.model-logo-item { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.model-logo-item > span { font-size: 12px; color: rgba(255,255,255,0.6); }
.model-logo {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
}
.ml-gpt { background: #10A37F; }
.ml-claude { background: #C96442; }
.ml-wenxin { background: #0057A8; }
.ml-tongyi { background: #FF6A00; }
.ml-spark { background: #1677FF; }
.ml-glm { background: #6B3FA0; }
.ml-deepseek { background: #4B5563; }
.ml-gemini { background: #4285F4; }

.model-pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pricing-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 32px; position: relative;
  transition: var(--transition);
}
.pricing-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }
.pricing-card.featured {
  background: rgba(199,0,10,0.15); border-color: var(--primary);
  transform: scale(1.02);
}
.pricing-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff; font-size: 12px; font-weight: 600;
  padding: 4px 14px; border-radius: 12px;
}
.pricing-tier { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 8px; font-weight: 500; }
.pricing-tokens { font-size: 16px; color: rgba(255,255,255,0.8); margin-bottom: 16px; }
.pricing-price { font-size: 40px; font-weight: 700; color: #fff; margin-bottom: 24px; }
.pricing-price span { font-size: 40px; }
.pricing-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-features li { font-size: 14px; color: rgba(255,255,255,0.6); display: flex; align-items: center; gap: 8px; }
.pricing-features li::before { content: '✓'; color: #22C55E; font-weight: 700; flex-shrink: 0; }

/* ============================
   客户案例
   ============================ */
.cases-section { background: var(--bg-light); }
.cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.case-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.case-icon { font-size: 36px; margin-bottom: 16px; }
.case-card h4 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.case-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; flex: 1; }
.case-tag {
  display: inline-block; padding: 3px 10px;
  background: rgba(199,0,10,0.08); color: var(--primary);
  border-radius: 4px; font-size: 12px; font-weight: 500;
  align-self: flex-start; margin-top: auto;
}

/* ============================
   CTA
   ============================ */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, #9E0008 50%, #0057A8 100%);
  padding: 80px 0; text-align: center;
}
.cta-title { font-size: 40px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.cta-desc { font-size: 17px; color: rgba(255,255,255,0.8); margin-bottom: 36px; max-width: 720px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; }

/* ============================
   页脚
   ============================ */
.footer { background: #111; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo-name { color: #fff; }
.footer-brand-desc { font-size: 13px; color: #777; line-height: 1.8; margin-top: 16px; }
.footer-address { font-size: 13px; color: #555; margin-top: 8px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h5 { font-size: 14px; font-weight: 600; color: #ddd; margin-bottom: 4px; }
.footer-links a { font-size: 13px; color: #777; transition: var(--transition); }
.footer-links a:hover { color: #ccc; }
/* 页脚二维码 - 放大25% */
.footer-qrcodes { display: flex; gap: 24px; margin-top: 10px; }
.footer-qr-item { text-align: center; }
.footer-qr-placeholder {
  width: 125px; height: 125px; border-radius: 10px;
  background: rgba(255,255,255,0.06); border: 1px dashed rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 8px; overflow: hidden;
}
.footer-qr-placeholder img { width: 100%; height: 100%; object-fit: contain; }
.footer-qr-label { font-size: 11px; color: #777; }
.footer-bottom {
  border-top: 1px solid #222; padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 13px; color: #555; }
.footer-bottom a { color: #666; }
.footer-bottom a:hover { color: #999; }

/* ============================
   产品服务页
   ============================ */
.page-hero {
  background: linear-gradient(135deg, #0D1117 0%, #1A2332 100%);
  padding: 120px 0 80px; text-align: center;
}
.page-hero h1 { font-size: 44px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.page-hero p { font-size: 17px; color: rgba(255,255,255,0.6); max-width: 720px; margin: 0 auto; }

.product-nav { background: var(--bg); border-bottom: 1px solid var(--border); position: sticky; top: 64px; z-index: 100; }
.product-nav-inner { display: flex; gap: 0; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.product-nav-link {
  padding: 16px 24px; font-size: 14px; color: var(--text-secondary);
  border-bottom: 2px solid transparent; transition: var(--transition); cursor: pointer;
}
.product-nav-link:hover, .product-nav-link.active { color: var(--primary); border-bottom-color: var(--primary); }

.product-section { padding: 80px 0; border-bottom: 1px solid var(--border-light); }
.product-section:last-of-type { border-bottom: none; }
.product-section-header { margin-bottom: 48px; }
.product-section-header .section-tag { display: inline-block; margin-bottom: 16px; }
.product-section-header h2 { font-size: 36px; font-weight: 700; margin-bottom: 12px; }
.product-section-header p { font-size: 16px; color: var(--text-secondary); max-width: 600px; }

.algorithm-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.algorithm-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; display: flex; gap: 20px;
  transition: var(--transition);
}
.algorithm-card:hover { border-color: rgba(199,0,10,0.3); box-shadow: var(--shadow-sm); }
.ac-icon {
  width: 48px; height: 48px; background: rgba(199,0,10,0.08);
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ac-content h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.ac-content p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.ac-content .ac-meta { font-size: 12px; color: var(--primary); font-weight: 500; margin-top: 8px; }

.hardware-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.hardware-detail-card {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; transition: var(--transition);
}
.hardware-detail-card:hover { box-shadow: var(--shadow-md); }
.hdc-visual {
  height: 160px; background: linear-gradient(135deg, #0D1117, #1A2332);
  border-radius: var(--radius-md); margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center;
}
.hdc-title { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.hdc-sub { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.hdc-specs { display: flex; flex-direction: column; gap: 8px; }
.spec-row { display: flex; justify-content: space-between; font-size: 13px; padding: 6px 0; border-bottom: 1px solid var(--border-light); }
.spec-row:last-child { border-bottom: none; }
.spec-key { color: var(--text-muted); }
.spec-val { font-weight: 500; color: var(--text-primary); }

/* ============================
   关于我们
   ============================ */
.about-story { padding: 80px 0; background: var(--bg); }
.about-story-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-story-text h2 { font-size: 36px; font-weight: 700; margin-bottom: 20px; }
.about-story-text p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.about-numbers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.about-number-card {
  background: var(--bg-light); border-radius: var(--radius-md);
  padding: 24px; text-align: center;
}
.about-num { font-size: 40px; font-weight: 700; color: var(--primary); }
.about-num-label { font-size: 14px; color: var(--text-muted); margin-top: 4px; }

.timeline { padding: 80px 0; background: var(--bg-light); }
.timeline-items { display: flex; flex-direction: column; gap: 0; position: relative; max-width: 720px; margin: 0 auto; }
.timeline-items::before {
  content: ''; position: absolute; left: 20px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item { display: flex; gap: 32px; padding-bottom: 40px; position: relative; }
.timeline-dot {
  width: 40px; height: 40px; background: var(--bg); border: 2px solid var(--primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 12px; font-weight: 700; color: var(--primary); z-index: 1;
}
.timeline-content h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.timeline-content p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.timeline-year { font-size: 12px; color: var(--primary); font-weight: 600; margin-bottom: 4px; }

.team-section { padding: 80px 0; background: var(--bg); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card {
  text-align: center; padding: 32px 20px;
  border: 1px solid var(--border); border-radius: var(--radius-lg); transition: var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  margin: 0 auto 16px; display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 700; color: #fff;
}
.team-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.team-card .team-role { font-size: 13px; color: var(--primary); font-weight: 500; margin-bottom: 8px; }
.team-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ============================
   算法详情页
   ============================ */
.detail-tabs {
  background: var(--bg); border-bottom: 1px solid var(--border);
  position: sticky; top: 64px; z-index: 100;
}
.detail-tabs-inner { display: flex; gap: 0; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.detail-tab {
  padding: 16px 28px; font-size: 14px; color: var(--text-secondary);
  border-bottom: 2px solid transparent; transition: var(--transition); cursor: pointer;
  text-decoration: none;
}
.detail-tab:hover, .detail-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.detail-section { display: none; padding: 60px 0; }
.detail-section.active { display: block; }
.detail-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 48px;
}
.detail-card-title {
  font-size: 24px; font-weight: 600; margin-bottom: 24px;
  padding-bottom: 16px; border-bottom: 1px solid var(--border-light);
}
.detail-content p { margin-bottom: 16px; }

/* 参数表格 */
.params-table-wrap { overflow-x: auto; }
.params-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.params-table th, .params-table td {
  padding: 14px 20px; text-align: left;
  border-bottom: 1px solid var(--border-light);
}
.params-table th { background: var(--bg-light); font-weight: 600; color: var(--text-primary); }
.params-table td:first-child { color: var(--text-muted); width: 30%; }
.params-table td:last-child { font-weight: 500; color: var(--text-primary); }
.params-table tr:last-child td, .params-table tr:last-child th { border-bottom: none; }

/* 场景列表 */
.scenario-list { display: flex; flex-direction: column; gap: 16px; }
.scenario-item {
  display: flex; gap: 16px; padding: 20px;
  background: var(--bg-light); border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}
.scenario-num {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; flex-shrink: 0;
}
.scenario-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.scenario-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0 !important; }

/* API 代码块 */
.api-code-block {
  background: #0D1117; border: 1px solid #30363D;
  border-radius: 8px; padding: 20px; margin: 16px 0;
  overflow-x: auto; font-size: 13px; line-height: 1.7;
}
.api-code-block code { color: #79C0FF; font-family: 'SF Mono', 'Fira Code', monospace; }
.api-content strong { color: var(--text-primary); }

/* 硬件详情模态框 */
.modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
}
.modal-overlay.active { display: flex; }
.modal-content {
  background: #fff; border-radius: var(--radius-lg);
  max-width: 680px; width: 100%; max-height: 85vh; overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.2); animation: modalIn 0.25s ease;
}
@keyframes modalIn { from { opacity:0; transform:translateY(20px) scale(0.96); } to { opacity:1; transform:translateY(0) scale(1); } }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 32px; border-bottom: 1px solid var(--border-light);
}
.modal-header h2 { font-size: 20px; font-weight: 600; display: flex; align-items: center; gap: 12px; }
.modal-close {
  width: 36px; height: 36px; border-radius: 50%; border: none;
  background: var(--bg-light); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--text-muted); transition: var(--transition);
}
.modal-close:hover { background: var(--border); color: var(--text-primary); }
.modal-body { padding: 32px; }
.modal-desc { font-size: 15px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border-light); }
.modal-specs { display: flex; flex-direction: column; }
.modal-spec-row {
  display: flex; justify-content: space-between; padding: 12px 0;
  border-bottom: 1px solid var(--border-light); font-size: 14px;
}
.modal-spec-row:last-child { border-bottom: none; }
.modal-spec-key { color: var(--text-muted); }
.modal-spec-val { font-weight: 500; }

/* 模型中心独立样式 - 深色科技风 */
.model-center-page {
  background: #0D1117; min-height: 100vh;
}
.model-center-page .page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #0D1117 0%, #1A2332 50%, #2D1B69 100%);
}
.model-center-page .page-hero h1 { font-size: 48px; }
.model-center-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; margin-bottom: 60px; }
.model-center-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; padding: 24px; cursor: pointer;
  transition: all 0.3s ease;
}
.model-center-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.3); }
.model-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.model-card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.model-card-name { font-size: 16px; font-weight: 600; color: #fff; }
.model-card-status { font-size: 11px; color: #22C55E; }
.model-card-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.5; }
.model-plans { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.model-plan-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; background: rgba(255,255,255,0.03);
  border-radius: 8px; font-size: 13px;
}
.model-plan-name { color: rgba(255,255,255,0.7); }
.model-plan-price { color: #fff; font-weight: 600; }
.model-plan-btn {
  padding: 4px 12px; font-size: 11px; border-radius: 4px;
  background: var(--primary); color: #fff; border: none; cursor: pointer;
}

/* 登录注册样式 */
.auth-section {
  padding: 60px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(199,0,10,0.03) 100%);
}
.auth-card {
  max-width: 440px; margin: 0 auto;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 40px;
}
.auth-tabs { display: flex; gap: 0; margin-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.auth-tab {
  flex: 1; padding: 12px; text-align: center; font-size: 15px;
  color: rgba(255,255,255,0.4); cursor: pointer; border-bottom: 2px solid transparent;
  transition: all 0.25s ease;
}
.auth-tab.active { color: #fff; border-bottom-color: var(--primary); }
.auth-form { display: none; flex-direction: column; gap: 16px; }
.auth-form.active { display: flex; }
.auth-form input {
  width: 100%; padding: 14px 16px; background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;
  font-size: 14px; color: #fff; outline: none; transition: 0.25s ease;
  font-family: -apple-system, "PingFang SC", sans-serif;
}
.auth-form input:focus { border-color: var(--primary); background: rgba(255,255,255,0.08); }
.auth-form input::placeholder { color: rgba(255,255,255,0.25); }
.auth-form .btn { width: 100%; justify-content: center; padding: 14px; font-size: 15px; }
.auth-divider {
  text-align: center; font-size: 13px; color: rgba(255,255,255,0.3);
  padding: 8px 0;
}

/* ============================
   后台管理面板样式
   ============================ */
.admin-body { background: #F5F5F5; }
.admin-header {
  background: #0D1117; padding: 0 32px; height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
}
.admin-header .admin-logo { color: #fff; font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.admin-header .admin-user { color: rgba(255,255,255,0.6); font-size: 13px; display: flex; align-items: center; gap: 16px; }
.admin-header .admin-logout {
  background: rgba(255,255,255,0.1); border: none; color: #fff;
  padding: 6px 14px; border-radius: 4px; cursor: pointer; font-size: 12px;
}
.admin-layout { display: flex; padding-top: 56px; min-height: 100vh; }
.admin-sidebar {
  width: 220px; background: #161B22; padding: 16px 0;
  position: fixed; top: 56px; left: 0; bottom: 0; overflow-y: auto;
}
.admin-sidebar a {
  display: block; padding: 12px 24px; color: rgba(255,255,255,0.6);
  font-size: 14px; text-decoration: none; transition: 0.2s ease;
}
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,0.06); color: #fff; }
.admin-main { margin-left: 220px; flex: 1; padding: 32px; }
.admin-page-title { font-size: 22px; font-weight: 600; margin-bottom: 24px; }
.admin-card {
  background: #fff; border-radius: 12px; border: 1px solid #E5E5E5;
  padding: 24px; margin-bottom: 20px;
}
.admin-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid #F0F0F0; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid #F0F0F0; }
.admin-table th { background: #FAFAFA; font-weight: 600; color: #4A4A4A; font-size: 12px; text-transform: uppercase; }
.admin-table tr:hover td { background: #FAFAFA; }
.admin-edit-btn, .admin-del-btn {
  padding: 4px 12px; border: none; border-radius: 4px; cursor: pointer;
  font-size: 12px; transition: 0.2s ease;
}
.admin-edit-btn { background: rgba(0,87,168,0.1); color: #0057A8; }
.admin-edit-btn:hover { background: rgba(0,87,168,0.2); }
.admin-del-btn { background: rgba(199,0,10,0.1); color: #C7000A; margin-left: 6px; }
.admin-del-btn:hover { background: rgba(199,0,10,0.2); }
.admin-form-group { margin-bottom: 16px; }
.admin-form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: #4A4A4A; }
.admin-form-group input, .admin-form-group textarea, .admin-form-group select {
  width: 100%; padding: 10px 14px; border: 1px solid #E5E5E5;
  border-radius: 6px; font-size: 13px; outline: none; transition: 0.2s ease;
  font-family: -apple-system, "PingFang SC", sans-serif;
}
.admin-form-group input:focus, .admin-form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(199,0,10,0.08); }
.admin-form-group textarea { resize: vertical; min-height: 100px; }
.admin-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.admin-btn {
  padding: 10px 24px; border: none; border-radius: 6px; cursor: pointer;
  font-size: 14px; font-weight: 500; transition: 0.2s ease;
}
.admin-btn-primary { background: var(--primary); color: #fff; }
.admin-btn-primary:hover { background: var(--primary-dark); }
.admin-btn-secondary { background: #F0F0F0; color: #4A4A4A; }
.admin-btn-secondary:hover { background: #E5E5E5; }
.admin-form-actions { display: flex; gap: 12px; margin-top: 20px; }

/* 管理员密码页面 */
.admin-password-form { max-width: 400px; }

/* ============================
   新增：查看更多按钮样式
   ============================ */
.section-header-with-btn {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 48px; flex-wrap: wrap; gap: 16px;
}
.section-header-with-btn .section-header { margin-bottom: 0; text-align: left; flex: 1; }
.btn-more {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 24px; background: transparent;
  border: 1.5px solid var(--primary); color: var(--primary);
  border-radius: var(--radius-sm); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.btn-more:hover { background: rgba(199,0,10,0.06); transform: translateY(-1px); }
.btn-more svg { transition: transform 0.25s ease; }
.btn-more:hover svg { transform: translateX(3px); }

/* ============================
   新增：全屏模态框样式
   ============================ */
.modal-full-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.85); backdrop-filter: blur(8px);
  display: none; flex-direction: column; padding: 0;
  overflow-y: auto;
}
.modal-full-overlay.active { display: flex; }
.modal-full-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px; background: #111827;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  position: sticky; top: 0; z-index: 10;
}
.modal-full-title { font-size: 24px; font-weight: 700; color: #fff; }
.modal-full-close {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: none;
  color: #fff; font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-full-close:hover { background: rgba(255,255,255,0.2); }
.modal-full-body {
  flex: 1; padding: 32px;
  max-width: var(--max-width); margin: 0 auto; width: 100%;
  background: #0D1117;
}

/* 算法中心网格 */
.algo-center-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.algo-center-item {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 28px 16px; background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md); cursor: pointer;
  transition: var(--transition);
}
.algo-center-item:hover {
  background: rgba(255,255,255,0.08); border-color: var(--primary);
  transform: translateY(-2px);
}
.algo-center-item .algo-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: rgba(199,0,10,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.algo-center-item .algo-name { font-size: 14px; font-weight: 600; color: #fff; }
.algo-center-item .algo-meta { font-size: 11px; color: rgba(255,255,255,0.6); text-align: center; }

/* 硬件中心网格 */
.hw-center-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.hw-center-card {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg); padding: 24px; cursor: pointer;
  transition: var(--transition); text-align: center;
}
.hw-center-card:hover {
  background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2);
  transform: translateY(-3px);
}
.hw-center-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: rgba(0,87,168,0.12); display: flex;
  align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 28px;
}
.hw-center-card h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 6px; }
.hw-center-card p { font-size: 13px; color: rgba(255,255,255,0.65); margin-bottom: 16px; }
.hw-center-specs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.hw-center-spec {
  padding: 3px 10px; background: rgba(255,255,255,0.1);
  border-radius: 4px; font-size: 11px; color: rgba(255,255,255,0.8);
}

/* ============================
   新增：新闻详情页
   ============================ */
.news-detail-page { background: var(--bg); min-height: 100vh; }
.news-detail-container {
  max-width: 800px; margin: 0 auto; padding: 60px 24px 80px;
}
.news-detail-header { margin-bottom: 32px; }
.news-detail-category {
  display: inline-block; padding: 4px 12px;
  background: rgba(199,0,10,0.08); color: var(--primary);
  border-radius: 20px; font-size: 12px; font-weight: 500; margin-bottom: 12px;
}
.news-detail-title { font-size: 32px; font-weight: 700; line-height: 1.3; margin-bottom: 12px; }
.news-detail-date { font-size: 14px; color: var(--text-muted); }
.news-detail-image {
  width: 100%; height: 360px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #0D1117, #1A2332);
  display: flex; align-items: center; justify-content: center;
  font-size: 64px; margin-bottom: 40px; overflow: hidden;
}
.news-detail-image img { width: 100%; height: 100%; object-fit: cover; }
.news-detail-content {
  font-size: 16px; color: var(--text-secondary); line-height: 1.9;
}
.news-detail-content h3 { font-size: 22px; font-weight: 600; color: var(--text-primary); margin: 32px 0 16px; }
.news-detail-content h4 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin: 24px 0 12px; }
.news-detail-content p { margin-bottom: 16px; }
.news-detail-content ul, .news-detail-content ol { margin: 16px 0; padding-left: 24px; }
.news-detail-content li { margin-bottom: 8px; }
.news-detail-nav {
  display: flex; justify-content: space-between; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid var(--border-light);
}
.news-nav-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border: 1px solid var(--border);
  border-radius: var(--radius-md); font-size: 14px;
  color: var(--text-primary); transition: var(--transition); cursor: pointer;
  background: var(--bg); text-decoration: none; max-width: 45%;
}
.news-nav-btn:hover { border-color: var(--primary); color: var(--primary); }
.news-nav-btn .nav-dir { font-size: 12px; color: var(--text-muted); display: block; }
.news-nav-btn .nav-title { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }
.news-nav-btn.disabled { opacity: 0.3; pointer-events: none; }

/* ============================
   新增：文档列表页
   ============================ */
.doc-list-page { background: var(--bg); min-height: 100vh; }
.doc-list-container { max-width: var(--max-width); margin: 0 auto; padding: 60px 24px 80px; }
.doc-list-header { margin-bottom: 40px; }
.doc-list-header h1 { font-size: 36px; font-weight: 700; margin-bottom: 12px; }
.doc-list-header p { font-size: 16px; color: var(--text-secondary); }
.doc-category { margin-bottom: 40px; }
.doc-category-title {
  font-size: 20px; font-weight: 600; margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border-light);
}
.doc-list { display: flex; flex-direction: column; gap: 0; }
.doc-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border-light);
  cursor: pointer; transition: var(--transition); text-decoration: none;
  color: inherit;
}
.doc-item:hover { background: var(--bg-light); }
.doc-item:last-child { border-bottom: none; }
.doc-item-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(199,0,10,0.08); display: flex;
  align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 18px; margin-right: 16px;
}
.doc-item-info { flex: 1; }
.doc-item-title { font-size: 15px; font-weight: 500; margin-bottom: 2px; }
.doc-item-category { font-size: 12px; color: var(--text-muted); }
.doc-item-arrow { color: var(--text-muted); font-size: 16px; }

/* 文档详情 */
.doc-detail-container { max-width: 800px; margin: 0 auto; padding: 60px 24px 80px; }
.doc-detail-title { font-size: 28px; font-weight: 700; margin-bottom: 24px; }
.doc-detail-content { font-size: 15px; color: var(--text-secondary); line-height: 1.9; }
.doc-detail-content h3 { font-size: 20px; font-weight: 600; color: var(--text-primary); margin: 28px 0 12px; }
.doc-detail-content p { margin-bottom: 14px; }
.doc-detail-content ul { padding-left: 20px; margin: 12px 0; }
.doc-detail-content li { margin-bottom: 6px; }

/* ============================
   新增：微信二维码展示（增强版）
   ============================ */
.qrcode-section {
  display: flex; gap: 24px; margin-bottom: 32px; flex-wrap: wrap;
}
.qrcode-card {
  flex: 1; min-width: 180px; text-align: center;
  padding: 24px; background: var(--bg-light);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  transition: var(--transition);
}
.qrcode-card:hover { border-color: rgba(199,0,10,0.2); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.qrcode-placeholder {
  width: 140px; height: 140px; margin: 0 auto 12px;
  border-radius: 12px; display: flex; align-items: center;
  justify-content: center; font-size: 48px;
  position: relative;
}
.qrcode-label { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.qrcode-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }


/* ============================
   新增：首页模型展示卡片
   ============================ */
.model-showcase-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.model-showcase-item {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 24px 16px; text-align: center;
  cursor: pointer; transition: var(--transition);
}
.model-showcase-item:hover {
  background: rgba(255,255,255,0.08); border-color: rgba(199,0,10,0.4);
  transform: translateY(-3px);
}
.model-showcase-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; font-size: 18px; font-weight: 700; color: #fff;
}
.model-showcase-name { font-size: 14px; font-weight: 500; color: #fff; margin-bottom: 4px; }
.model-showcase-provider { font-size: 11px; color: rgba(255,255,255,0.4); }

/* ============================
   新增：模型参考图风格卡片（白底+左侧图标+右侧信息）
   ============================ */
.model-ref-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}
.model-ref-card {
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 20px; cursor: pointer;
  transition: var(--transition);
}
.model-ref-card:hover {
  background: rgba(255,255,255,0.1); border-color: var(--primary);
  transform: translateY(-2px);
}
.model-ref-left {
  display: flex; align-items: center; gap: 16px; flex: 1;
}
.model-ref-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.model-ref-info { flex: 1; }
.model-ref-name { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 2px; }
.model-ref-desc { font-size: 12px; color: rgba(255,255,255,0.5); }
.model-ref-right { text-align: right; flex-shrink: 0; margin-left: 16px; }

/* ============================
   新增：模型定价卡片（深色背景版）
   ============================ */
.model-pricing-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 32px 28px; text-align: center;
  transition: var(--transition);
}
.model-pricing-card:hover {
  background: rgba(255,255,255,0.08); border-color: var(--primary);
  transform: translateY(-4px);
}
.mpc-icon { font-size: 36px; margin-bottom: 12px; }
.mpc-title { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.mpc-price { font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.mpc-unit { font-size: 14px; font-weight: 400; color: rgba(255,255,255,0.5); }
.mpc-desc { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 16px; }
.mpc-tag {
  display: inline-block; padding: 4px 14px;
  background: rgba(199,0,10,0.15); color: #FF6B73;
  border-radius: 20px; font-size: 12px; font-weight: 500;
}
.model-ref-price { font-size: 16px; font-weight: 700; color: #fff; }
.model-ref-tag {
  display: inline-block; margin-top: 4px; padding: 2px 8px;
  background: rgba(34,197,94,0.15); color: #22C55E;
  border-radius: 10px; font-size: 11px; font-weight: 500;
}

/* ============================
   about页品字型数据展示（已内联化）
   ============================ */

.footer-bottom.centered {
  flex-direction: column; gap: 8px; text-align: center;
}
.footer-bottom.centered p { text-align: center; }
.icp-link { color: #666; cursor: pointer; }
.icp-link:hover { color: #999; text-decoration: underline; }

/* ============================
   移动端响应式补充
   ============================ */
@media (max-width: 768px) {
  .algo-center-grid { grid-template-columns: repeat(2, 1fr); }
  .hw-center-grid { grid-template-columns: 1fr; }
  .model-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .model-ref-grid { grid-template-columns: 1fr; }
  .qrcode-section { flex-direction: column; }
  .news-grid { grid-template-columns: 1fr !important; }
  .news-detail-title { font-size: 24px; }
  .news-detail-image { height: 200px; }
  .news-detail-nav { flex-direction: column; gap: 12px; }
  .news-nav-btn { max-width: 100%; }
  .doc-list-header h1 { font-size: 28px; }
  .section-header-with-btn { flex-direction: column; align-items: flex-start; }
  .hardware-detail-grid { grid-template-columns: 1fr !important; }
}
@media (max-width: 480px) {
  .algo-center-grid { grid-template-columns: repeat(2, 1fr); }
  .model-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .model-ref-card { flex-direction: column; align-items: flex-start; gap: 12px; }
  .model-ref-right { margin-left: 0; text-align: left; width: 100%; }
  .model-pricing-card { padding: 24px 20px; }
  .model-pricing-grid { grid-template-columns: 1fr !important; }
  .model-featured-grid { grid-template-columns: 1fr !important; }
}

/* ============================
   模型定价网格（全局）
   ============================ */
.model-pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px;
}

/* ============================
   模型特色展示卡（深色主题）
   ============================ */
.model-featured-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.model-feat-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 28px 24px;
  transition: var(--transition);
}
.model-feat-card:hover {
  background: rgba(255,255,255,0.08); border-color: var(--primary);
  transform: translateY(-3px);
}
.mfc-header { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.mfc-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.mfc-name { font-size: 16px; font-weight: 600; color: #fff; }
.mfc-provider { font-size: 12px; color: rgba(255,255,255,0.4); }
.mfc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.mfc-tag {
  padding: 3px 10px; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 4px;
  font-size: 11px; color: rgba(255,255,255,0.7);
}
.mfc-price { font-size: 24px; font-weight: 700; color: #fff; }
.mfc-unit { font-size: 12px; font-weight: 400; color: rgba(255,255,255,0.5); }
}
/* ============================
   首页新闻网格卡片
   ============================ */
.news-grid-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  cursor: pointer; transition: var(--transition);
  display: flex; flex-direction: column;
}
.news-grid-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.news-grid-cover {
  height: 180px; display: flex; align-items: center; justify-content: center;
  font-size: 48px; position: relative; overflow: hidden;
}
.news-grid-cover::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 60px; background: linear-gradient(transparent, rgba(0,0,0,0.3));
}
.news-grid-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.news-grid-category {
  display: inline-block; padding: 3px 10px;
  background: rgba(199,0,10,0.08); color: var(--primary);
  border-radius: 4px; font-size: 11px; font-weight: 500; margin-bottom: 10px;
  width: fit-content;
}
.news-grid-title {
  font-size: 16px; font-weight: 600; line-height: 1.4; margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-grid-date { font-size: 12px; color: var(--text-muted); margin-top: auto; }

/* FAQ 卡片样式 */
.faq-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); border-color: transparent; transform: translateY(-2px); }

/* ============================
   联系我们
   ============================ */
.contact-section { padding: 80px 0; background: var(--bg); }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-info h2 { font-size: 36px; font-weight: 700; margin-bottom: 16px; }
.contact-info > p { font-size: 16px; color: var(--text-secondary); margin-bottom: 40px; line-height: 1.7; }
.contact-items { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; }
.ci-icon {
  width: 44px; height: 44px; background: rgba(199,0,10,0.08);
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 18px;
}
.ci-label { font-size: 13px; color: var(--text-muted); margin-bottom: 2px; }
.ci-value { font-size: 15px; font-weight: 500; }

.contact-form { background: var(--bg-light); border-radius: var(--radius-lg); padding: 40px; }
.contact-form h3 { font-size: 22px; font-weight: 600; margin-bottom: 28px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.form-control {
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; font-family: var(--font); background: #fff;
  transition: var(--transition); outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(199,0,10,0.08); }
textarea.form-control { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ============================
   响应式
   ============================ */
@media (max-width: 1024px) {
  .hero-title { font-size: 42px; }
  .business-grid { gap: 16px; }
  .algo-grid { grid-template-columns: repeat(4, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero > .container { grid-template-columns: 1fr; gap: 40px; padding-top: 40px; }
  .hero-visual { display: none; }
  .hero-title { font-size: 36px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .business-grid { grid-template-columns: 1fr; }
  .algo-grid { grid-template-columns: repeat(3, 1fr); }
  .hw-layout { grid-template-columns: 1fr; gap: 40px; }
  .model-pricing { grid-template-columns: repeat(2, 1fr); }
  .pricing-card.featured { transform: scale(1); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav-menu { display: none; }
  .mobile-menu-btn { display: flex; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; border: none; background: none; }
  .mobile-menu-btn span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 1px; }
  .section-title { font-size: 28px; }
  .page-hero h1 { font-size: 32px; }
  .algorithm-grid { grid-template-columns: 1fr; }
  .hardware-detail-grid { grid-template-columns: 1fr; }
  .about-story-layout { grid-template-columns: 1fr; gap: 40px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .algo-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 30px; }
}

/* ==========================================
   增强移动端响应式 - 全站优化
   ========================================== */

/* ---- 平板 & 小屏桌面 (≤1024px) ---- */
@media (max-width: 1024px) {
  /* 导航 */
  .nav-link { padding: 8px 12px; font-size: 14px; }
  .hero-title { font-size: 44px; white-space: normal !important; line-height: 1.25; }
  .hero-desc { white-space: normal !important; }
  .hero > .container { gap: 60px; }
  /* Hero visual在平板隐藏 */
  .hero-visual { display: none; }
  /* 硬件布局 */
  .hw-layout { gap: 40px; }
  /* 模型定价 */
  .model-pricing { grid-template-columns: repeat(2, 1fr); }
  .model-pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .model-featured-grid { grid-template-columns: repeat(2, 1fr); }
  /* 客户案例 */
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  /* 产品页网格 */
  .hardware-detail-grid { grid-template-columns: repeat(2, 1fr) !important; }
  /* 关于页 */
  .about-story-layout { gap: 60px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  /* FAQ */
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
  /* 新闻网格 */
  .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
  /* 文档列表 */
  .doc-list-container { padding: 40px 20px; }
  /* 页脚 */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ---- 手机横屏 & 大屏手机 (≤768px) ---- */
@media (max-width: 768px) {
  /* --- 全局调整 --- */
  .section { padding: 48px 0; }
  .section-title { font-size: 26px; }
  .section-desc { font-size: 14px; padding: 0 8px; }
  .section-header { margin-bottom: 36px; }
  .container { padding: 0 16px; }

  /* --- 导航栏 --- */
  .header { height: 56px; }
  .nav-wrapper { height: 56px; gap: 12px; }

  /* ===== 强制覆盖所有内联栅格样式（inline style优先级最高，必须用!important）===== */
  /* 3列栅格 → 1列（匹配所有元素类型） */
  *[style*="repeat(3,1fr)"],
  *[style*="repeat(3, 1fr)"] { grid-template-columns: 1fr !important; }
  /* 2列栅格 → 1列 */
  *[style*="repeat(2,1fr)"],
  *[style*="repeat(2, 1fr)"] { grid-template-columns: 1fr !important; }
  /* 4列栅格 → 2列 */
  *[style*="repeat(4,1fr)"],
  *[style*="repeat(4, 1fr)"] { grid-template-columns: repeat(2, 1fr) !important; }
  /* 1fr 1fr → 1列 */
  *[style*="1fr 1fr"] { grid-template-columns: 1fr !important; }
  /* 1fr 0.75fr → 1列 */
  *[style*="1fr 0.75fr"] { grid-template-columns: 1fr !important; }
  /* 固定max-width → 100% */
  *[style*="max-width:720px"] { max-width: 100% !important; }
  *[style*="max-width:1200px"] { max-width: 100% !important; }
  *[style*="max-width:900px"] { max-width: 100% !important; }
  *[style*="max-width:860px"] { max-width: 100% !important; }
  *[style*="max-width:800px"] { max-width: 100% !important; }
  /* 固定width → auto */
  *[style*="width:720px"] { width: auto !important; }
  *[style*="width:80px"] { width: auto !important; }
  *[style*="width:120px"] { width: auto !important; }
  .logo-name { font-size: 16px; }
  .logo-sub { font-size: 9px; }
  .nav-menu {
    display: none; position: fixed; top: 56px; left: 0; right: 0;
    background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
    padding: 12px 16px; flex-direction: column; gap: 2px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12); z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-link { padding: 14px 12px; font-size: 15px; border-radius: 8px; }
  .nav-link.active::after { display: none; }
  .nav-link.active { background: rgba(199,0,10,0.06); }

  /* 移动端下拉菜单 */
  .nav-dropdown { position: relative; width: 100%; }
  .nav-dropdown-toggle {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; padding: 14px 12px;
  }
  .dropdown-arrow { transition: transform 0.25s ease; }
  .nav-dropdown.open .dropdown-arrow { transform: rotate(180deg); }
  .dropdown-mega {
    position: static; min-width: 0; width: 100%;
    box-shadow: none; border: none;
    padding: 0 12px 16px; margin: 0;
    background: transparent;
    opacity: 1; visibility: visible; transform: none;
    max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
  }
  .dropdown-mega.open { max-height: 600px; }
  .nav-dropdown:hover .dropdown-mega {
    opacity: 1; visibility: visible; transform: none;
  }
  /* 桌面hover在移动端不生效，用open类替代 */
  .nav-dropdown:not(.open) .dropdown-mega { max-height: 0; }
  .nav-dropdown.open .dropdown-mega { max-height: 600px; }
  .nav-dropdown:hover .dropdown-mega { max-height: 0; }
  .nav-dropdown.open:hover .dropdown-mega { max-height: 600px; }
  .dropdown-subtitle {
    font-size: 12px; color: rgba(0,0,0,0.45);
    margin-bottom: 12px; padding-bottom: 10px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
  }
  .dropdown-columns { flex-direction: column; gap: 16px; }
  .dropdown-column h4 {
    font-size: 13px; margin-bottom: 8px; padding-bottom: 6px;
  }
  .dropdown-column a {
    display: block; padding: 8px 12px; font-size: 13px; color: #4A4A4A;
    border-radius: 4px;
  }
  .dropdown-column a:active { background: rgba(199,0,10,0.06); }

  .mobile-menu-btn {
    display: flex; flex-direction: column; gap: 5px; padding: 10px;
    cursor: pointer; border: none; background: none; z-index: 1001;
  }
  .mobile-menu-btn span {
    display: block; width: 22px; height: 2px; background: var(--text-primary);
    border-radius: 1px; transition: all 0.3s ease; transform-origin: center;
  }
  .mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
  .mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .nav-actions .btn { padding: 8px 16px; font-size: 13px; }

  /* Phone call button */
  .nav-phone { display: flex; }

  /* --- Hero --- */
  .hero {
    min-height: auto; padding-top: 56px; padding-bottom: 48px;
  }
  .hero > .container {
    grid-template-columns: 1fr; gap: 32px; padding-top: 32px; padding-bottom: 24px;
  }
  .hero-title { font-size: 32px; white-space: normal !important; line-height: 1.3; }
  .hero-desc { font-size: 14px; white-space: normal !important; margin-bottom: 24px; }
  .hero-actions { flex-direction: column; gap: 10px; margin-bottom: 28px; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .hero-stats { flex-wrap: wrap; gap: 0; justify-content: space-around; }
  .stat-item { padding: 12px; text-align: center; }
  .stat-divider { display: none; }
  .stat-num { font-size: 24px; }
  .hero-visual { display: none; }

  /* --- 页面Hero --- */
  .page-hero { padding: 96px 0 48px; }
  .page-hero h1 { font-size: 28px; }

  /* --- 核心业务 --- */
  .business-grid { grid-template-columns: 1fr; gap: 16px; }
  .business-card { padding: 24px; }

  /* --- 算法网格 --- */
  .algo-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .algo-item { padding: 16px 10px; }

  /* --- 硬件 --- */
  .hw-layout { grid-template-columns: 1fr; gap: 32px; }
  .hw-product-card { flex-direction: column; align-items: flex-start; gap: 16px; }
  .section-title.left { white-space: normal; font-size: 24px; }
  .hw-desc { font-size: 14px; }

  /* --- 模型中心 --- */
  .model-pricing { grid-template-columns: 1fr; }
  .model-pricing-grid { grid-template-columns: 1fr; }
  .model-featured-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: scale(1); }
  .model-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .model-ref-grid { grid-template-columns: 1fr; }

  /* --- 客户案例 --- */
  .cases-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  /* --- CTA --- */
  .cta-section { padding: 56px 0; }
  .cta-title { font-size: 28px; }
  .cta-desc { font-size: 14px; max-width: 100%; padding: 0 8px; }
  .cta-actions { flex-direction: column; gap: 10px; }
  .cta-actions .btn { width: 100%; text-align: center; }

  /* --- 页脚 --- */
  .footer { padding: 40px 0 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .footer-bottom { flex-direction: column; gap: 4px; text-align: center; font-size: 12px; }

  /* --- 产品页 --- */
  .product-nav { top: 56px; }
  .product-nav-inner { overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 0 8px; }
  .product-nav-link { padding: 12px 14px; font-size: 13px; white-space: nowrap; flex-shrink: 0; }
  .product-section { padding: 40px 0; }
  .product-section-header h2 { font-size: 24px; }
  .algorithm-grid { grid-template-columns: 1fr; gap: 12px; }
  .algorithm-card { padding: 20px; }
  .hardware-detail-grid { grid-template-columns: 1fr !important; }
  .hdc-visual { height: 120px; }
  .api-demo > div { grid-template-columns: 1fr !important; }

  /* --- 算法详情 --- */
  .detail-tabs { top: 56px; }
  .detail-tabs-inner { overflow-x: auto; padding: 0 8px; }
  .detail-tab { padding: 12px 16px; font-size: 13px; white-space: nowrap; flex-shrink: 0; }
  .detail-card { padding: 24px 16px; }
  .detail-card-title { font-size: 20px; }
  .detail-section { padding: 40px 0; }
  .params-table th, .params-table td { padding: 10px 12px; font-size: 12px; }

  /* --- 关于页 --- */
  .about-story-layout { grid-template-columns: 1fr; gap: 32px; }
  .about-story-text h2 { font-size: 24px; }
  .about-story-text p { font-size: 14px; }
  .pyramid-num { font-size: 36px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .team-card { padding: 24px 16px; }
  .timeline { padding: 40px 0; }
  .timeline-items::before { left: 16px; }
  .timeline-item { gap: 20px; padding-bottom: 28px; }
  .timeline-dot { width: 32px; height: 32px; font-size: 10px; }
  .timeline-content h4 { font-size: 14px; }
  .timeline-content p { font-size: 12px; }

  /* --- 联系我们 --- */
  .contact-section { padding: 48px 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .contact-info h2 { font-size: 24px; }
  .contact-info > p { font-size: 14px; }
  .contact-form { padding: 24px 16px; }
  .contact-form h3 { font-size: 18px; margin-bottom: 20px; }
  .form-row { grid-template-columns: 1fr; }
  .form-group { margin-bottom: 14px; }
  .form-control { padding: 10px 14px; font-size: 14px; }
  .qrcode-section { flex-direction: row; flex-wrap: wrap; }
  .qrcode-card { min-width: 140px; flex: 1; }

  /* --- FAQ --- */
  .faq-grid { grid-template-columns: 1fr; }

  /* --- 新闻 --- */
  .news-grid { grid-template-columns: 1fr !important; }
  .news-grid-cover { height: 150px; }
  .news-grid-body { padding: 16px; }
  .news-detail-container { padding: 40px 16px; }
  .news-detail-title { font-size: 22px; }
  .news-detail-content { font-size: 14px; }
  .news-detail-nav { flex-direction: column; gap: 10px; }

  /* --- 文档 --- */
  .doc-list-header h1 { font-size: 24px; }
  .doc-item { flex-wrap: wrap; gap: 8px; padding: 14px 12px; }
  .doc-item-icon { width: 32px; height: 32px; font-size: 14px; margin-right: 10px; }
  .doc-detail-container { padding: 40px 16px; }
  .doc-detail-title { font-size: 22px; }

  /* --- 模型中心页 --- */
  .model-center-page .page-hero { padding: 100px 0 48px; }
  .model-center-page .page-hero h1 { font-size: 28px; }
  .model-center-grid { grid-template-columns: 1fr; }
  .model-center-card { padding: 20px; }
  .model-plan-row { flex-wrap: wrap; gap: 8px; }

  /* --- AI模型平台页 --- */
  .model-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .model-showcase-item { padding: 16px 12px; }
  .model-ref-card { flex-direction: column; align-items: flex-start; gap: 12px; }
  .model-ref-right { margin-left: 0; text-align: left; width: 100%; }

  /* --- 模态框 --- */
  .modal-content { max-width: 95%; margin: 0 10px; }
  .modal-header { padding: 16px 20px; }
  .modal-body { padding: 20px; }
  .modal-full-header { padding: 16px 20px; }
  .modal-full-body { padding: 20px 16px; }
  .modal-full-title { font-size: 18px; }

  /* --- 全屏模态框网格 --- */
  .algo-center-grid { grid-template-columns: repeat(2, 1fr); }
  .hw-center-grid { grid-template-columns: 1fr; }

  /* --- 按钮适配 --- */
  .btn-lg { padding: 12px 24px; font-size: 14px; }
  .btn-more { padding: 8px 16px; font-size: 13px; }

  /* --- 地图 --- */
  iframe[src*="amap"] { height: 250px !important; }
}

/* ---- 小屏手机 (≤480px) ---- */
@media (max-width: 480px) {
  html { font-size: 15px; }
  .hero-title { font-size: 26px; }
  .section-title { font-size: 22px; }
  .algo-grid { grid-template-columns: repeat(2, 1fr); }
  .algo-item { padding: 14px 8px; }
  .algo-name { font-size: 12px; }
  .bc-title { font-size: 18px; }
  .cases-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .about-numbers { grid-template-columns: 1fr; }
  .about-number-card { padding: 20px; }
  .about-num { font-size: 32px; }
  .page-hero { padding: 88px 0 40px; }
  .page-hero h1 { font-size: 24px; }
  .page-hero p { font-size: 14px; }
  .modal-full-header { padding: 12px 16px; }
  .modal-full-body { padding: 16px 12px; }
  .modal-full-title { font-size: 16px; }
  .model-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .model-showcase-item { padding: 14px 10px; }
  .model-showcase-name { font-size: 12px; }
  .footer { padding: 32px 0 0; }
}

/* ---- 超小屏手机 (≤360px) ---- */
@media (max-width: 360px) {
  .container { padding: 0 12px; }
  .hero-title { font-size: 22px; }
  .section-title { font-size: 20px; }
  .section { padding: 36px 0; }
  .algo-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .algo-item { padding: 12px 6px; }
  .algo-name { font-size: 11px; }
  .algo-icon { width: 40px; height: 40px; }
  .btn { padding: 8px 16px; font-size: 12px; }
  .btn-lg { padding: 10px 20px; font-size: 13px; }
  .logo-name { font-size: 14px; }
  .business-card { padding: 20px 16px; }
  .cta-title { font-size: 22px; }
  .contact-form { padding: 20px 12px; }
  /* 所有内联栅格强制1列 */
  *[style*="repeat(3,1fr)"],
  *[style*="repeat(3, 1fr)"],
  *[style*="repeat(2,1fr)"],
  *[style*="repeat(2, 1fr)"],
  *[style*="repeat(4,1fr)"],
  *[style*="repeat(4, 1fr)"],
  *[style*="1fr 1fr"] { grid-template-columns: 1fr !important; }
  *[style*="max-width:720px"],
  *[style*="max-width:860px"],
  *[style*="max-width:900px"] { max-width: 100% !important; }
  /* 使命愿景价值观卡片移动端全宽 */
  *[style*="flex:0 0 340px"] { flex: 1 1 100% !important; max-width: 100% !important; }
}

/* ==========================================
   后台管理面板 - 移动端适配
   ========================================== */
@media (max-width: 768px) {
  /* 登录页 */
  #loginPage > div {
    padding: 32px 24px !important; max-width: 100% !important;
  }

  /* 管理后台布局 */
  .admin-header { padding: 0 16px; height: 48px; }
  .admin-header .admin-logo { font-size: 14px; }
  .admin-header .admin-logo svg { width: 20px; height: 20px; }
  .admin-layout { flex-direction: column; padding-top: 48px; }
  .admin-sidebar {
    position: static; width: 100%; height: auto;
    display: flex; flex-wrap: nowrap; overflow-x: auto;
    padding: 8px 8px; -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
  .admin-sidebar a {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px; font-size: 13px; white-space: nowrap;
    flex-shrink: 0; border-radius: 6px;
  }
  .admin-sidebar a.active {
    background: rgba(199,0,10,0.12); color: var(--primary);
  }
  .admin-main { margin-left: 0; padding: 16px 12px; }
  .admin-page-title { font-size: 18px; margin-bottom: 16px; }
  .admin-card { padding: 16px 12px; border-radius: 8px; }
  .admin-table { font-size: 11px; }
  .admin-table th, .admin-table td { padding: 8px 6px; }
  .admin-form-row { grid-template-columns: 1fr; }
  .admin-form-actions { flex-direction: column; }
  .admin-form-actions .admin-btn { width: 100%; }
  .admin-edit-btn, .admin-del-btn { padding: 3px 8px; font-size: 10px; }
  .admin-add-btn { padding: 6px 14px; font-size: 12px; }
  .admin-btn { padding: 8px 16px; font-size: 13px; }
}

@media (max-width: 480px) {
  .admin-header { height: 44px; padding: 0 10px; }
  .admin-header .admin-logo { font-size: 12px; gap: 6px; }
  .admin-layout { padding-top: 44px; }
  .admin-sidebar a { padding: 6px 10px; font-size: 12px; }
  .admin-main { padding: 12px 8px; }
  .admin-card { padding: 12px 10px; }
  .admin-table th, .admin-table td { padding: 6px 4px; font-size: 10px; }
}

/* ==========================================
   触摸优化
   ========================================== */
@media (hover: none) and (pointer: coarse) {
  /* 增大点击目标 */
  .nav-link, .product-nav-link, .detail-tab {
    min-height: 44px; padding: 12px 16px;
  }
  .btn { min-height: 44px; }
  .algo-item { min-height: 44px; padding: 18px 12px; }
  .admin-sidebar a { min-height: 40px; }

  /* 减少悬停效果（触屏无hover） */
  .business-card:hover, .algo-item:hover, .case-card:hover,
  .algorithm-card:hover, .hardware-detail-card:hover,
  .team-card:hover, .model-center-card:hover {
    transform: none;
  }

  /* 保持反馈 */
  .business-card:active, .algo-item:active, .case-card:active {
    transform: scale(0.98);
  }
}

/* ==========================================
   全局防御：防止任何元素撑破视口
   ========================================== */
@media (max-width: 768px) {
  html, body { overflow-x: hidden; }
  * { max-width: 100vw; }
  .container { max-width: 100% !important; padding: 0 16px !important; }
  img, svg, video, iframe { max-width: 100%; height: auto; }
  pre, code, table { max-width: 100%; overflow-x: auto; display: block; }
  /* 防止grid/flex子元素溢出 */
  [class*="grid"] > *, [class*="flex"] > * { min-width: 0; }
  /* 使命愿景价值观卡片移动端全宽 */
  *[style*="flex:0 0 340px"] { flex: 1 1 100% !important; max-width: 100% !important; }
  /* 长文本自动换行 */
  h1, h2, h3, h4, h5, h6, p, span, a, li, td, th, div {
    overflow-wrap: break-word; word-wrap: break-word; word-break: break-word;
  }
  /* NOWRAP强制清除 */
  [style*="white-space:nowrap"], [style*="white-space: nowrap"] {
    white-space: normal !important;
  }
  /* 关于我们数据卡片移动端换行 */
  .about-stats-row { flex-wrap: wrap !important; }
  .about-stats-row > div { flex: 1 1 100% !important; }
}