/* ========================================
   天枢GEO DUBHE - 全站共享样式
   ======================================== */

/* ===== 设计令牌 ===== */
:root {
  --bg-white: #FFFFFF;
  --bg-light: #F5F8FF;
  --bg-lighter: #FAFCFF;
  --bg-dark: #0A1628;
  --brand: #1E5BE8;
  --brand-dark: #0A2A6B;
  --brand-light: #4DA3FF;
  --accent-cyan: #00C2FF;
  --accent-gold: #F5A623;
  --accent-green: #10B981;
  --text-title: #0F1B2D;
  --text-body: #4A5A75;
  --text-muted: #8A99B5;
  --border: #E3EAF5;
  --border-light: #EEF3FB;
  --shadow-sm: 0 2px 8px rgba(30, 91, 232, 0.06);
  --shadow-md: 0 8px 30px rgba(30, 91, 232, 0.1);
  --shadow-lg: 0 20px 60px rgba(30, 91, 232, 0.15);
  --shadow-brand: 0 8px 24px rgba(30, 91, 232, 0.35);
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --max-w: 1200px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-white);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--brand); color: #fff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }

/* ===== 页面加载 Preloader（默认隐藏，慢网才显示） ===== */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-white);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  opacity: 0; visibility: hidden;
}
.preloader.show { opacity: 1; visibility: visible; }
.preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-logo {
  width: 80px; height: 80px; margin-bottom: 20px;
  animation: preloaderSpin 2s linear infinite;
}
@keyframes preloaderSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.preloader-text {
  font-size: 14px; color: var(--text-muted);
  font-family: var(--font-mono); letter-spacing: 2px;
  animation: preloaderPulse 1.5s ease-in-out infinite;
}
@keyframes preloaderPulse { 0%,100%{opacity:.4} 50%{opacity:1} }
.preloader-bar {
  width: 200px; height: 3px; background: var(--border-light);
  border-radius: 3px; margin-top: 16px; overflow: hidden;
}
.preloader-bar-fill {
  height: 100%; width: 0; background: linear-gradient(90deg, var(--brand), var(--accent-cyan));
  border-radius: 3px; animation: preloaderFill 1.8s ease forwards;
}
@keyframes preloaderFill { to { width: 100%; } }

/* ===== 滚动进度条 ===== */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 1001;
  background: linear-gradient(90deg, var(--brand), var(--accent-cyan));
  width: 0; transition: width 0.1s ease;
}

/* ===== 鼠标跟随光晕 ===== */
.cursor-glow {
  position: fixed; width: 400px; height: 400px;
  border-radius: 50%; pointer-events: none; z-index: 1;
  background: radial-gradient(circle, rgba(30,91,232,0.08) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}
.cursor-glow.active { opacity: 1; }
@media (max-width: 768px) { .cursor-glow { display: none; } }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 8px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: all 0.3s cubic-bezier(.4,0,.2,1);
  white-space: nowrap; font-family: var(--font-sans); border: none;
  position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}
.btn:hover::after { left: 100%; }
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, #3A7BFF 100%);
  color: #fff; box-shadow: var(--shadow-brand);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(30,91,232,0.45); }
.btn-outline { background: var(--bg-white); color: var(--brand); border: 1.5px solid var(--brand); }
.btn-outline:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--text-title); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); background: var(--bg-light); }
.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-white { background: #fff; color: var(--brand); box-shadow: 0 8px 30px rgba(0,0,0,0.15); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,0.2); }
.btn-white-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn-white-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

/* ===== 导航栏 ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; background: rgba(255,255,255,0.9);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent; transition: all 0.3s ease;
}
.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(15,27,45,0.06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--text-title); transition: transform 0.3s; }
.nav-logo:hover { transform: scale(1.02); }
.nav-logo img { height: 38px; width: auto; }
.nav-logo-icon { height: 38px !important; width: auto; }
.nav-logo-text { height: 26px !important; width: auto; margin-left: -4px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 14.5px; font-weight: 500; color: var(--text-body);
  transition: all 0.2s; position: relative; padding: 8px 14px; border-radius: 6px;
}
.nav-links a:hover { color: var(--brand); background: var(--bg-light); }
.nav-links a.active { color: var(--brand); font-weight: 600; }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px; background: var(--brand); border-radius: 2px;
}
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; padding: 8px; }
.nav-toggle svg { width: 24px; height: 24px; stroke: var(--text-title); }

.mobile-menu {
  display: none; position: fixed; top: 70px; left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 16px 20px 24px; z-index: 999; box-shadow: var(--shadow-md);
  max-height: calc(100vh - 70px); overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 2px; }
.mobile-menu ul a { display: block; padding: 12px 14px; font-size: 15px; color: var(--text-body); border-radius: 8px; }
.mobile-menu ul a:hover, .mobile-menu ul a.active { background: var(--bg-light); color: var(--brand); }
.mobile-menu .btn { width: 100%; margin-top: 12px; }

/* ===== 页面 Hero（内页通用，全屏左右分栏） ===== */
.page-hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 60px; overflow: hidden;
  background: linear-gradient(180deg, #F0F5FF 0%, #F8FAFF 50%, #FFFFFF 100%);
}
.page-hero-decor { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.page-hero-decor .blob {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5;
}
.page-hero-decor .blob1 { width: 500px; height: 500px; background: rgba(30,91,232,0.12); top: -100px; right: -100px; animation: blobFloat 12s ease-in-out infinite; }
.page-hero-decor .blob2 { width: 400px; height: 400px; background: rgba(0,194,255,0.1); bottom: -50px; left: -100px; animation: blobFloat 15s ease-in-out infinite reverse; }
@keyframes blobFloat { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(30px,-30px) scale(1.05)} }
.page-hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(30,91,232,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,91,232,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}
.page-hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center;
  text-align: left; max-width: 100%; width: 100%;
}
.page-hero-breadcrumb {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-muted); margin-bottom: 20px;
  font-family: var(--font-mono);
}
.page-hero-breadcrumb a { color: var(--brand); }
.page-hero-breadcrumb .sep { color: var(--border); }
.page-hero h1 {
  font-size: clamp(32px, 4.2vw, 50px); font-weight: 900; line-height: 1.2;
  color: var(--text-title); margin-bottom: 18px; letter-spacing: -0.5px;
}
.page-hero h1 .grad {
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.page-hero p { font-size: 16px; color: var(--text-body); line-height: 1.8; max-width: 100%; }
.page-hero-img {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  animation: heroImgFloat 6s ease-in-out infinite;
}
@keyframes heroImgFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.page-hero-img img { width: 100%; }

/* Hero 左侧数据条 */
.hero-data-row {
  display: flex; gap: 28px; margin-top: 28px; padding-top: 24px;
  border-top: 1px solid var(--border-light); flex-wrap: wrap;
}
.hero-data-item .hd-val {
  font-size: 28px; font-weight: 900; font-family: var(--font-mono); color: var(--brand); line-height: 1;
}
.hero-data-item .hd-val .hd-suffix { font-size: 16px; }
.hero-data-item .hd-lbl { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.hero-actions-row {
  display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap;
}

/* ===== 通用区块 ===== */
.section { padding: 96px 0; position: relative; }
.section-alt { background: var(--bg-light); }
.section-dark { background: var(--bg-dark); color: rgba(255,255,255,0.8); }
.section-dark .section-title { color: #fff; }
.section-dark .section-desc { color: rgba(255,255,255,0.6); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: 13px;
  font-weight: 600; color: var(--brand); letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 14px;
  padding: 5px 14px; background: rgba(30,91,232,0.06); border-radius: 100px;
}
.section-title {
  font-size: clamp(26px, 3.2vw, 38px); font-weight: 900; line-height: 1.3;
  color: var(--text-title); margin-bottom: 16px; letter-spacing: -0.3px;
}
.section-desc { font-size: 16px; color: var(--text-body); line-height: 1.8; }

/* ===== 滚动揭示 ===== */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-scale.visible { opacity: 1; transform: scale(1); }
.d1 { transition-delay: 0.1s; } .d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; } .d4 { transition-delay: 0.4s; }
.d5 { transition-delay: 0.5s; } .d6 { transition-delay: 0.6s; }

/* ===== 卡片3D倾斜 ===== */
.tilt-card { transform-style: preserve-3d; transition: transform 0.3s ease; }
.tilt-card:hover { transform: perspective(1000px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-4px); }

/* ===== 图片光扫效果 ===== */
.img-shine { position: relative; overflow: hidden; }
.img-shine::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: skewX(-20deg); transition: left 0.6s ease; z-index: 2; pointer-events: none;
}
.img-shine:hover::before { left: 150%; }

/* ===== 能力卡片（图文交替） ===== */
.cap-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-bottom: 72px; }
.cap-row:last-child { margin-bottom: 0; }
.cap-row.reverse .cap-visual { order: 2; }
.cap-visual { position: relative; }
.cap-img {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md); border: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(.4,0,.2,1);
}
.cap-img:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }
.cap-img img { width: 100%; transition: transform 0.6s ease; }
.cap-img:hover img { transform: scale(1.05); }
.cap-num {
  position: absolute; top: -16px; left: -16px;
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff; font-size: 20px; font-weight: 900; font-family: var(--font-mono);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-brand); z-index: 2;
  animation: capNumPulse 3s ease-in-out infinite;
}
@keyframes capNumPulse { 0%,100%{box-shadow:var(--shadow-brand)} 50%{box-shadow:0 8px 32px rgba(30,91,232,0.5)} }
.cap-text h3 { font-size: 26px; font-weight: 800; color: var(--text-title); margin-bottom: 14px; }
.cap-text > p { font-size: 15px; color: var(--text-body); line-height: 1.85; margin-bottom: 20px; }
.cap-feats { display: flex; flex-direction: column; gap: 10px; }
.cap-feat {
  display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-body);
  transition: transform 0.2s;
}
.cap-feat:hover { transform: translateX(4px); }
.cap-feat .cf-check {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; margin-top: 1px;
  background: linear-gradient(135deg, rgba(30,91,232,0.15), rgba(0,194,255,0.1));
  display: flex; align-items: center; justify-content: center;
}
.cap-feat .cf-check svg { width: 12px; height: 12px; stroke: var(--brand); fill: none; stroke-width: 3; }

/* ===== 功能特性网格 ===== */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feat-card {
  padding: 32px 28px; border-radius: var(--radius); border: 1px solid var(--border-light);
  background: #fff; transition: all 0.35s cubic-bezier(.4,0,.2,1); position: relative; overflow: hidden;
}
.feat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent-cyan));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.feat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--brand-light); }
.feat-card:hover::before { transform: scaleX(1); }
.feat-icon {
  width: 52px; height: 52px; border-radius: 12px; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(30,91,232,0.12), rgba(0,194,255,0.08));
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
}
.feat-card:hover .feat-icon { transform: scale(1.1) rotate(-5deg); background: linear-gradient(135deg, var(--brand), var(--brand-light)); }
.feat-icon svg { width: 26px; height: 26px; stroke: var(--brand); fill: none; stroke-width: 1.8; transition: stroke 0.3s; }
.feat-card:hover .feat-icon svg { stroke: #fff; }
.feat-card h4 { font-size: 18px; font-weight: 700; color: var(--text-title); margin-bottom: 10px; }
.feat-card p { font-size: 14px; color: var(--text-body); line-height: 1.75; }

/* ===== 流程时间线 ===== */
.timeline { position: relative; padding: 20px 0; }
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--brand), var(--accent-cyan), var(--brand));
  transform: translateX(-50%); border-radius: 3px;
}
.tl-item { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 48px; position: relative; }
.tl-item:last-child { margin-bottom: 0; }
.tl-dot {
  position: absolute; left: 50%; top: 24px; transform: translateX(-50%);
  width: 20px; height: 20px; border-radius: 50%; background: #fff;
  border: 4px solid var(--brand); z-index: 2;
  box-shadow: 0 0 0 6px rgba(30,91,232,0.15);
  transition: all 0.3s;
}
.tl-item:hover .tl-dot { transform: translateX(-50%) scale(1.2); box-shadow: 0 0 0 10px rgba(30,91,232,0.2); }
.tl-content { padding: 24px 28px; border-radius: var(--radius); background: #fff; border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); transition: all 0.3s; }
.tl-item:hover .tl-content { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.tl-item:nth-child(odd) .tl-content { grid-column: 1; text-align: right; }
.tl-item:nth-child(even) .tl-content { grid-column: 2; }
.tl-num { font-size: 13px; font-weight: 700; color: var(--brand); font-family: var(--font-mono); margin-bottom: 8px; }
.tl-content h4 { font-size: 18px; font-weight: 700; color: var(--text-title); margin-bottom: 8px; }
.tl-content p { font-size: 14px; color: var(--text-body); line-height: 1.75; }

/* ===== 数据指标卡片 ===== */
.metrics-wrap {
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
  border-radius: var(--radius-xl); padding: 64px 48px; position: relative; overflow: hidden;
}
.metrics-wrap::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0,194,255,0.15) 0%, transparent 50%);
}
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 2; }
.metric { text-align: center; color: #fff; }
.metric .m-val {
  font-size: 48px; font-weight: 900; font-family: var(--font-mono); line-height: 1;
  margin-bottom: 10px; background: linear-gradient(135deg, #fff, var(--accent-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.metric .m-val .m-suffix { font-size: 24px; }
.metric .m-lbl { font-size: 14px; color: rgba(255,255,255,0.7); font-weight: 500; }
.metric .m-desc { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 6px; }

/* ===== 行业卡片 ===== */
.inds-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ind-card {
  border-radius: var(--radius); border: 1px solid var(--border-light); background: #fff;
  overflow: hidden; transition: all 0.4s cubic-bezier(.4,0,.2,1); cursor: pointer;
}
.ind-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--brand-light); }
.ind-card-img { height: 180px; overflow: hidden; position: relative; }
.ind-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.ind-card:hover .ind-card-img img { transform: scale(1.1); }
.ind-card-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,42,107,0.6) 100%);
}
.ind-card-body { padding: 24px; }
.ind-card-body h4 { font-size: 18px; font-weight: 700; color: var(--text-title); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.ind-icon {
  width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(30,91,232,0.1), rgba(0,194,255,0.08));
  display: flex; align-items: center; justify-content: center;
}
.ind-icon svg { width: 18px; height: 18px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.ind-card-body p { font-size: 13.5px; color: var(--text-body); line-height: 1.75; margin-bottom: 14px; }
.ind-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ind-tags span {
  font-size: 11px; padding: 3px 10px; border-radius: 4px;
  background: var(--bg-light); color: var(--text-muted); font-family: var(--font-mono);
}

/* ===== 案例卡片 ===== */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  border-radius: var(--radius); border: 1px solid var(--border-light); background: #fff;
  overflow: hidden; transition: all 0.4s cubic-bezier(.4,0,.2,1);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-img { height: 200px; overflow: hidden; position: relative; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.case-card:hover .case-img img { transform: scale(1.08); }
.case-body { padding: 24px; }
.case-tag {
  display: inline-block; font-size: 11px; font-weight: 600; padding: 4px 10px;
  border-radius: 4px; background: rgba(30,91,232,0.08); color: var(--brand);
  font-family: var(--font-mono); letter-spacing: 0.5px; margin-bottom: 12px;
}
.case-body h4 { font-size: 17px; font-weight: 700; color: var(--text-title); margin-bottom: 8px; }
.case-body p { font-size: 13px; color: var(--text-body); line-height: 1.7; margin-bottom: 16px; }
.case-growth {
  display: flex; align-items: baseline; gap: 6px; padding-top: 14px;
  border-top: 1px solid var(--border-light);
}
.case-growth .cg-val { font-size: 28px; font-weight: 900; color: var(--brand); font-family: var(--font-mono); }
.case-growth .cg-lbl { font-size: 12px; color: var(--text-muted); }

/* ===== 案例详情（大卡片） ===== */
.case-detail {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;
  padding: 48px; border-radius: var(--radius-xl); background: #fff;
  border: 1px solid var(--border-light); box-shadow: var(--shadow-sm);
  margin-bottom: 40px; transition: all 0.4s;
}
.case-detail:hover { box-shadow: var(--shadow-md); }
.case-detail-img { border-radius: var(--radius); overflow: hidden; }
.case-detail-img img { width: 100%; transition: transform 0.6s; }
.case-detail:hover .case-detail-img img { transform: scale(1.03); }
.case-detail-info h3 { font-size: 24px; font-weight: 800; color: var(--text-title); margin-bottom: 12px; }
.case-detail-info .case-tag { margin-bottom: 16px; }
.case-detail-info p { font-size: 14px; color: var(--text-body); line-height: 1.8; margin-bottom: 20px; }
.case-metrics-row { display: flex; gap: 24px; flex-wrap: wrap; }
.case-metric { text-align: center; padding: 16px 20px; border-radius: 10px; background: var(--bg-light); min-width: 100px; }
.case-metric .cm-val { font-size: 24px; font-weight: 900; color: var(--brand); font-family: var(--font-mono); }
.case-metric .cm-lbl { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border-radius: 10px; border: 1px solid var(--border-light); background: #fff;
  overflow: hidden; transition: all 0.3s;
}
.faq-item.open { border-color: var(--brand-light); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%; padding: 20px 24px; background: none;
  color: var(--text-title); font-size: 15px; font-weight: 600; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--font-sans); cursor: pointer; transition: color 0.2s;
}
.faq-q:hover { color: var(--brand); }
.faq-q .faq-icon { width: 20px; height: 20px; flex-shrink: 0; position: relative; transition: transform 0.3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-q .faq-icon::before, .faq-q .faq-icon::after {
  content: ''; position: absolute; background: var(--brand); border-radius: 2px;
}
.faq-q .faq-icon::before { top: 50%; left: 0; right: 0; height: 2px; transform: translateY(-50%); }
.faq-q .faq-icon::after { left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-50%); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner { padding: 0 24px 20px; font-size: 14px; color: var(--text-body); line-height: 1.85; }

/* ===== Tab 切换 ===== */
.tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.tab {
  padding: 10px 22px; border-radius: 8px; font-size: 14px; font-weight: 600;
  border: 1.5px solid var(--border); background: #fff; color: var(--text-body);
  transition: all 0.25s; cursor: pointer; font-family: var(--font-sans);
}
.tab:hover { border-color: var(--brand-light); color: var(--brand); }
.tab.active {
  background: linear-gradient(135deg, var(--brand), #3A7BFF);
  border-color: var(--brand); color: #fff; box-shadow: var(--shadow-brand);
}
.tab-content { display: none; animation: tabFadeIn 0.4s ease; }
.tab-content.active { display: block; }
@keyframes tabFadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 产品展示框 ===== */
.product-display {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border); background: #fff; position: relative;
}
.product-display img { width: 100%; display: block; transition: opacity 0.4s; }
.pd-frame {
  position: absolute; top: 0; left: 0; right: 0; height: 40px;
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.7));
  display: flex; align-items: center; padding: 0 16px; gap: 6px; z-index: 2;
  border-bottom: 1px solid var(--border-light);
}
.pd-frame span { width: 10px; height: 10px; border-radius: 50%; }
.pd-frame span:nth-child(1) { background: #FF5F57; }
.pd-frame span:nth-child(2) { background: #FEBC2E; }
.pd-frame span:nth-child(3) { background: #28C840; }

/* ===== 信任条 ===== */
.trust-bar {
  padding: 32px 0; background: var(--bg-white);
  border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light);
}
.trust-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.trust-label { font-size: 13px; color: var(--text-muted); font-weight: 500; letter-spacing: 1px; text-transform: uppercase; }
.trust-items { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.trust-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--text-muted);
  transition: color 0.2s;
}
.trust-item:hover { color: var(--brand); }
.trust-item .ti-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-light); }

/* ===== 团队卡片 ===== */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card {
  text-align: center; padding: 32px 20px; border-radius: var(--radius);
  border: 1px solid var(--border-light); background: #fff; transition: all 0.35s;
}
.team-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 800; color: #fff;
  box-shadow: var(--shadow-brand);
}
.team-card h4 { font-size: 17px; font-weight: 700; color: var(--text-title); margin-bottom: 4px; }
.team-card .team-role { font-size: 13px; color: var(--brand); font-weight: 500; margin-bottom: 10px; }
.team-card p { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* ===== 发展历程 ===== */
.milestone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.milestone {
  padding: 28px 24px; border-radius: var(--radius); border-left: 4px solid var(--brand);
  background: #fff; box-shadow: var(--shadow-sm); transition: all 0.3s;
}
.milestone:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.milestone .ms-year { font-size: 28px; font-weight: 900; color: var(--brand); font-family: var(--font-mono); margin-bottom: 8px; }
.milestone h4 { font-size: 16px; font-weight: 700; color: var(--text-title); margin-bottom: 6px; }
.milestone p { font-size: 13px; color: var(--text-body); line-height: 1.7; }

/* ===== 联系表单 ===== */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
  display: flex; align-items: flex-start; gap: 16px; padding: 24px;
  border-radius: var(--radius); border: 1px solid var(--border-light); background: #fff;
  transition: all 0.3s;
}
.contact-card:hover { border-color: var(--brand-light); box-shadow: var(--shadow-sm); transform: translateX(4px); }
.contact-card-icon {
  width: 48px; height: 48px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(30,91,232,0.12), rgba(0,194,255,0.08));
  display: flex; align-items: center; justify-content: center;
}
.contact-card-icon svg { width: 22px; height: 22px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.contact-card h4 { font-size: 16px; font-weight: 700; color: var(--text-title); margin-bottom: 4px; }
.contact-card p { font-size: 14px; color: var(--text-body); line-height: 1.6; }
.contact-card a { color: var(--brand); font-weight: 600; }

.contact-form {
  padding: 36px; border-radius: var(--radius-lg); border: 1px solid var(--border-light);
  background: #fff; box-shadow: var(--shadow-sm);
}
.contact-form h3 { font-size: 22px; font-weight: 800; color: var(--text-title); margin-bottom: 8px; }
.contact-form > p { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-title); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: 8px; border: 1.5px solid var(--border);
  font-size: 14px; font-family: var(--font-sans); color: var(--text-title);
  background: var(--bg-lighter); transition: all 0.25s; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(30,91,232,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group .error { border-color: #EF4444; }
.form-error-msg { font-size: 12px; color: #EF4444; margin-top: 4px; display: none; }
.form-group.has-error .form-error-msg { display: block; }
.form-submit { width: 100%; margin-top: 8px; }
.form-success {
  display: none; text-align: center; padding: 40px 20px;
}
.form-success.show { display: block; animation: tabFadeIn 0.5s ease; }
.form-success-icon {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--accent-green), #34D399);
  display: flex; align-items: center; justify-content: center;
  animation: successPop 0.5s cubic-bezier(.68,-0.55,.27,1.55);
}
@keyframes successPop { 0%{transform:scale(0)} 100%{transform:scale(1)} }
.form-success-icon svg { width: 32px; height: 32px; stroke: #fff; fill: none; stroke-width: 3; }
.form-success h4 { font-size: 20px; font-weight: 800; color: var(--text-title); margin-bottom: 8px; }
.form-success p { font-size: 14px; color: var(--text-muted); }

/* ===== CTA 区 ===== */
.cta-sec {
  padding: 88px 0; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 60%, #2D7BFF 100%);
}
.cta-sec::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 15% 50%, rgba(255,255,255,0.1) 0%, transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(0,194,255,0.2) 0%, transparent 40%);
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-sec h2 { font-size: clamp(26px, 3.5vw, 40px); font-weight: 900; color: #fff; margin-bottom: 16px; line-height: 1.3; }
.cta-sec p { font-size: 16px; color: rgba(255,255,255,0.8); margin-bottom: 32px; line-height: 1.8; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.cta-contact { font-size: 14px; color: rgba(255,255,255,0.6); font-family: var(--font-mono); }
.cta-contact a { color: #fff; font-weight: 600; }

/* ===== 页脚 ===== */
.footer { padding: 64px 0 28px; background: var(--bg-white); border-top: 1px solid var(--border-light); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-brand img { height: 44px; margin-bottom: 14px; }
.footer-logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo-icon { height: 40px !important; width: auto; margin-bottom: 0 !important; }
.footer-logo-text { height: 28px !important; width: auto; margin-bottom: 0 !important; margin-left: -4px; }
.footer-brand p { font-size: 13px; color: var(--text-muted); line-height: 1.8; max-width: 280px; }
.footer-col h5 { font-size: 14px; font-weight: 700; color: var(--text-title); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 13px; color: var(--text-muted); transition: color 0.2s; }
.footer-col ul a:hover { color: var(--brand); }
.footer-bottom {
  padding-top: 24px; border-top: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
.footer-bottom p { font-size: 12px; color: var(--text-muted); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 12px; color: var(--text-muted); }

/* ===== 回到顶部 ===== */
.back-top {
  position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px;
  border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-brand); cursor: pointer; z-index: 900;
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: all 0.3s ease;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(30,91,232,0.5); }
.back-top svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 2.5; }

/* ===== 炫酷动效：渐变文字流动 ===== */
.grad-flow {
  background: linear-gradient(90deg, var(--brand), var(--accent-cyan), var(--brand), #6C5CE7, var(--brand));
  background-size: 300% 100%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: gradFlow 6s ease infinite;
}
@keyframes gradFlow { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }

/* ===== 炫酷动效：脉冲光点 ===== */
.pulse-dot {
  position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-cyan); box-shadow: 0 0 0 0 rgba(0,194,255,0.6);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(0,194,255,0.6); }
  70% { box-shadow: 0 0 0 16px rgba(0,194,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,194,255,0); }
}

/* ===== 炫酷动效：浮动徽章 ===== */
.float-badge {
  position: absolute; padding: 10px 16px; border-radius: 12px;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  box-shadow: 0 8px 30px rgba(30,91,232,0.18); border: 1px solid rgba(30,91,232,0.12);
  display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--text-title);
  z-index: 3; animation: floatBadge 4s ease-in-out infinite;
}
.float-badge .fb-icon {
  width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.float-badge .fb-icon svg { width: 14px; height: 14px; stroke: #fff; fill: none; stroke-width: 2; }
.float-badge .fb-val { font-size: 18px; font-weight: 900; color: var(--brand); font-family: var(--font-mono); }
@keyframes floatBadge { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.float-badge.fb2 { animation-delay: -1s; }
.float-badge.fb3 { animation-delay: -2s; }

/* ===== 炫酷动效：无限滚动Marquee ===== */
.marquee-wrap { overflow: hidden; position: relative; padding: 20px 0; }
.marquee-wrap::before, .marquee-wrap::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none;
}
.marquee-wrap::before { left: 0; background: linear-gradient(90deg, var(--bg-white), transparent); }
.marquee-wrap::after { right: 0; background: linear-gradient(-90deg, var(--bg-white), transparent); }
.marquee { display: flex; gap: 48px; animation: marqueeScroll 30s linear infinite; width: max-content; }
.marquee:hover { animation-play-state: paused; }
@keyframes marqueeScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-item {
  display: flex; align-items: center; gap: 10px; white-space: nowrap;
  font-size: 15px; font-weight: 600; color: var(--text-muted);
  padding: 8px 20px; border-radius: 100px; background: var(--bg-light); border: 1px solid var(--border-light);
  transition: all 0.3s;
}
.marquee-item:hover { color: var(--brand); border-color: var(--brand-light); background: #fff; }
.marquee-item .mi-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-light); }

/* ===== 炫酷动效：进度条 ===== */
.skill-row { margin-bottom: 20px; }
.skill-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.skill-name { font-size: 14px; font-weight: 600; color: var(--text-title); }
.skill-val { font-size: 14px; font-weight: 700; color: var(--brand); font-family: var(--font-mono); }
.skill-bar { height: 8px; background: var(--border-light); border-radius: 4px; overflow: hidden; }
.skill-fill {
  height: 100%; width: 0; border-radius: 4px;
  background: linear-gradient(90deg, var(--brand), var(--accent-cyan));
  transition: width 1.5s cubic-bezier(.4,0,.2,1); position: relative;
}
.skill-fill::after {
  content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 30px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5));
}

/* ===== 炫酷动效：柱状图 ===== */
.bar-chart { display: flex; align-items: flex-end; justify-content: space-around; gap: 16px; height: 200px; padding: 20px 0; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; justify-content: flex-end; }
.bar {
  width: 100%; max-width: 48px; border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--accent-cyan), var(--brand));
  height: 0; transition: height 1.2s cubic-bezier(.4,0,.2,1); position: relative;
}
.bar::after {
  content: attr(data-val); position: absolute; top: -24px; left: 50%; transform: translateX(-50%);
  font-size: 12px; font-weight: 700; color: var(--brand); font-family: var(--font-mono);
}
.bar-label { font-size: 12px; color: var(--text-muted); text-align: center; }

/* ===== 炫酷动效：打字机 ===== */
.typewriter { display: inline-block; }
.typewriter-cursor {
  display: inline-block; width: 3px; height: 1em; background: var(--brand);
  margin-left: 2px; vertical-align: text-bottom; animation: twBlink 0.8s infinite;
}
@keyframes twBlink { 0%,50%{opacity:1} 51%,100%{opacity:0} }

/* ===== 炫酷动效：发光边框卡片 ===== */
.glow-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: #fff; border: 1px solid var(--border-light);
  transition: all 0.4s cubic-bezier(.4,0,.2,1);
}
.glow-card::before {
  content: ''; position: absolute; inset: -2px; border-radius: inherit; z-index: -1;
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan), #6C5CE7, var(--brand));
  background-size: 300% 300%; opacity: 0; transition: opacity 0.4s;
  animation: gradFlow 4s ease infinite;
}
.glow-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(30,91,232,0.2); }
.glow-card:hover::before { opacity: 1; }

/* ===== 炫酷动效：波纹按钮 ===== */
.btn-ripple { position: relative; overflow: hidden; }
.btn-ripple .ripple {
  position: absolute; border-radius: 50%; background: rgba(255,255,255,0.4);
  transform: scale(0); animation: rippleAnim 0.6s ease-out; pointer-events: none;
}
@keyframes rippleAnim { to { transform: scale(4); opacity: 0; } }

/* ===== 炫酷动效：数字翻转卡片 ===== */
.stat-flip-card {
  perspective: 1000px; height: 180px; cursor: pointer;
}
.stat-flip-inner {
  position: relative; width: 100%; height: 100%;
  transition: transform 0.8s cubic-bezier(.4,0,.2,1); transform-style: preserve-3d;
}
.stat-flip-card:hover .stat-flip-inner { transform: rotateY(180deg); }
.stat-flip-front, .stat-flip-back {
  position: absolute; inset: 0; backface-visibility: hidden;
  border-radius: var(--radius); display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 24px;
}
.stat-flip-front { background: #fff; border: 1px solid var(--border-light); }
.stat-flip-back {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff; transform: rotateY(180deg);
}
.stat-flip-front .sf-val { font-size: 40px; font-weight: 900; color: var(--brand); font-family: var(--font-mono); }
.stat-flip-front .sf-lbl { font-size: 14px; color: var(--text-muted); margin-top: 8px; }
.stat-flip-back h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.stat-flip-back p { font-size: 13px; color: rgba(255,255,255,0.8); line-height: 1.7; text-align: center; }

/* ===== 炫酷动效：时间线节点发光 ===== */
.tl-dot { animation: tlDotPulse 2s ease-in-out infinite; }
@keyframes tlDotPulse { 0%,100%{box-shadow:0 0 0 6px rgba(30,91,232,0.15)} 50%{box-shadow:0 0 0 12px rgba(30,91,232,0.08)} }

/* ===== 炫酷动效：Hero背景网格移动 ===== */
.page-hero-grid { animation: gridMove 20s linear infinite; }
@keyframes gridMove { from { background-position: 0 0; } to { background-position: 50px 50px; } }

/* ===== 炫酷动效：标签云 ===== */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud-item {
  padding: 8px 18px; border-radius: 100px; font-size: 13px; font-weight: 500;
  background: var(--bg-light); color: var(--text-body); border: 1px solid var(--border-light);
  transition: all 0.3s; cursor: default;
}
.tag-cloud-item:hover {
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
  color: #fff; border-color: transparent; transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30,91,232,0.3);
}

/* ===== 炫酷动效：对比卡片 ===== */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare-card {
  padding: 32px; border-radius: var(--radius-lg); position: relative; overflow: hidden;
}
.compare-card.before { background: var(--bg-light); border: 1px solid var(--border); }
.compare-card.after {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand)); color: #fff;
}
.compare-card .cc-tag {
  display: inline-block; padding: 4px 12px; border-radius: 100px;
  font-size: 11px; font-weight: 700; letter-spacing: 1px; font-family: var(--font-mono);
  margin-bottom: 16px;
}
.compare-card.before .cc-tag { background: var(--border); color: var(--text-muted); }
.compare-card.after .cc-tag { background: rgba(255,255,255,0.2); color: #fff; }
.compare-card h4 { font-size: 20px; font-weight: 800; margin-bottom: 16px; }
.compare-card.before h4 { color: var(--text-title); }
.compare-card ul { display: flex; flex-direction: column; gap: 10px; }
.compare-card li { font-size: 14px; line-height: 1.7; display: flex; align-items: flex-start; gap: 8px; }
.compare-card.before li { color: var(--text-body); }
.compare-card.after li { color: rgba(255,255,255,0.9); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .cap-row, .cap-row.reverse { grid-template-columns: 1fr; gap: 32px; }
  .cap-row.reverse .cap-visual { order: 0; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .inds-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .milestone-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .case-detail { grid-template-columns: 1fr; padding: 32px; }
  .tl-item { grid-template-columns: 1fr; gap: 0; }
  .timeline::before { left: 20px; }
  .tl-dot { left: 20px; }
  .tl-item:nth-child(odd) .tl-content, .tl-item:nth-child(even) .tl-content { grid-column: 1; text-align: left; padding-left: 52px; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .page-hero { padding: 110px 0 56px; }
  .feat-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .metric .m-val { font-size: 36px; }
  .metrics-wrap { padding: 40px 24px; }
  .inds-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .milestone-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .container { padding: 0 20px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .case-detail { padding: 24px; }
  .back-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
  .trust-inner { flex-direction: column; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal, .reveal-left, .reveal-right, .reveal-scale { opacity: 1; transform: none; }
}

/* ========================================
   炫酷动效 V2：新增10+种动效
   ======================================== */

/* ===== 环形进度图 ===== */
.ring-chart { position: relative; display: inline-flex; align-items: center; justify-content: center; }
.ring-chart svg { transform: rotate(-90deg); }
.ring-chart circle { fill: none; stroke-width: 8; stroke-linecap: round; }
.ring-chart .ring-bg { stroke: var(--border-light); }
.ring-chart .ring-fill {
  stroke: url(#ringGradient); stroke-dasharray: 283; stroke-dashoffset: 283;
  transition: stroke-dashoffset 1.5s cubic-bezier(.4,0,.2,1);
}
.ring-chart.animated .ring-fill { stroke-dashoffset: var(--ring-offset, 70); }
.ring-center { position: absolute; text-align: center; }
.ring-center .rc-val { font-size: 28px; font-weight: 900; color: var(--text-title); font-family: var(--font-mono); }
.ring-center .rc-lbl { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ===== 文字逐字显现 ===== */
.text-reveal { display: inline; }
.text-reveal .tr-char {
  display: inline-block; opacity: 0; transform: translateY(20px) rotateX(90deg);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.text-reveal.animated .tr-char { opacity: 1; transform: translateY(0) rotateX(0); }

/* ===== 渐变边框流动卡片 ===== */
.gradient-border-card {
  position: relative; border-radius: var(--radius-lg); background: #fff; padding: 32px;
  z-index: 1;
}
.gradient-border-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 2px;
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan), #6C5CE7, var(--brand));
  background-size: 300% 300%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: gradFlow 4s ease infinite; opacity: 0; transition: opacity 0.4s;
  pointer-events: none;
}
.gradient-border-card:hover::before { opacity: 1; }

/* ===== 卡片堆叠效果 ===== */
.card-stack { position: relative; perspective: 1000px; }
.card-stack .cs-card {
  position: relative; border-radius: var(--radius-lg); background: #fff;
  border: 1px solid var(--border-light); box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(.4,0,.2,1); padding: 28px;
}
.card-stack .cs-card:nth-child(1) { transform: translateY(0) rotate(0deg); z-index: 3; }
.card-stack .cs-card:nth-child(2) { transform: translateY(-8px) rotate(-1deg); z-index: 2; opacity: 0.85; }
.card-stack .cs-card:nth-child(3) { transform: translateY(-16px) rotate(1deg); z-index: 1; opacity: 0.7; }
.card-stack:hover .cs-card:nth-child(1) { transform: translateY(0) rotate(0deg) scale(1.02); }
.card-stack:hover .cs-card:nth-child(2) { transform: translateY(20px) rotate(-3deg) translateX(-20px); opacity: 1; }
.card-stack:hover .cs-card:nth-child(3) { transform: translateY(40px) rotate(3deg) translateX(20px); opacity: 1; }

/* ===== 发光文字 ===== */
.glow-text {
  color: var(--brand);
  text-shadow: 0 0 20px rgba(30,91,232,0.5), 0 0 40px rgba(30,91,232,0.3);
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,100% { text-shadow: 0 0 20px rgba(30,91,232,0.5), 0 0 40px rgba(30,91,232,0.3); }
  50% { text-shadow: 0 0 30px rgba(30,91,232,0.8), 0 0 60px rgba(30,91,232,0.5); }
}

/* ===== 垂直无限滚动 ===== */
.marquee-vertical { height: 300px; overflow: hidden; position: relative; }
.marquee-vertical::before, .marquee-vertical::after {
  content: ''; position: absolute; left: 0; right: 0; height: 40px; z-index: 2; pointer-events: none;
}
.marquee-vertical::before { top: 0; background: linear-gradient(180deg, var(--bg-white), transparent); }
.marquee-vertical::after { bottom: 0; background: linear-gradient(0deg, var(--bg-white), transparent); }
.marquee-vertical-inner { animation: marqueeV 20s linear infinite; }
.marquee-vertical:hover .marquee-vertical-inner { animation-play-state: paused; }
@keyframes marqueeV { from { transform: translateY(0); } to { transform: translateY(-50%); } }
.mv-item {
  padding: 16px 20px; margin-bottom: 12px; border-radius: var(--radius);
  background: var(--bg-light); border: 1px solid var(--border-light);
  display: flex; align-items: center; gap: 12px; transition: all 0.3s;
}
.mv-item:hover { background: #fff; border-color: var(--brand-light); transform: translateX(4px); }
.mv-item .mv-icon {
  width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(30,91,232,0.1), rgba(0,194,255,0.08));
  display: flex; align-items: center; justify-content: center;
}
.mv-item .mv-icon svg { width: 18px; height: 18px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.mv-item .mv-text { font-size: 13px; font-weight: 600; color: var(--text-title); }
.mv-item .mv-sub { font-size: 11px; color: var(--text-muted); }

/* ===== 图片对比滑块 ===== */
.image-compare { position: relative; overflow: hidden; border-radius: var(--radius-lg); user-select: none; }
.image-compare img { width: 100%; display: block; pointer-events: none; }
.ic-before { position: absolute; inset: 0; overflow: hidden; width: 50%; }
.ic-before img { width: 100%; height: 100%; object-fit: cover; }
.ic-slider {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 3px;
  background: #fff; cursor: ew-resize; z-index: 3; transform: translateX(-50%);
}
.ic-slider::after {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 40px; height: 40px; border-radius: 50%; background: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%231E5BE8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='15 18 9 12 15 6'%3E%3C/polyline%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.ic-label {
  position: absolute; top: 16px; padding: 6px 14px; border-radius: 100px;
  font-size: 12px; font-weight: 700; background: rgba(0,0,0,0.6); color: #fff; z-index: 2;
}
.ic-label.before { left: 16px; }
.ic-label.after { right: 16px; }

/* ===== 工具提示气泡 ===== */
.tooltip-wrap { position: relative; display: inline-block; }
.tooltip-wrap .tooltip-bubble {
  position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(5px);
  padding: 10px 16px; border-radius: 8px; background: var(--bg-dark); color: #fff;
  font-size: 13px; white-space: nowrap; opacity: 0; visibility: hidden;
  transition: all 0.3s ease; z-index: 100; pointer-events: none;
}
.tooltip-wrap .tooltip-bubble::after {
  content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--bg-dark);
}
.tooltip-wrap:hover .tooltip-bubble { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ===== 滚动指示器 ===== */
.scroll-indicator {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 5;
}
.scroll-indicator .si-text { font-size: 11px; color: var(--text-muted); letter-spacing: 2px; font-family: var(--font-mono); }
.scroll-indicator .si-mouse {
  width: 24px; height: 38px; border: 2px solid var(--text-muted); border-radius: 12px;
  position: relative;
}
.scroll-indicator .si-mouse::after {
  content: ''; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 2px; background: var(--brand);
  animation: scrollDot 1.5s ease-in-out infinite;
}
@keyframes scrollDot { 0%{opacity:1;transform:translateX(-50%) translateY(0)} 100%{opacity:0;transform:translateX(-50%) translateY(12px)} }

/* ===== 数据看板卡片 ===== */
.dashboard-card {
  border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  padding: 28px; color: #fff; position: relative; overflow: hidden;
  transition: all 0.4s cubic-bezier(.4,0,.2,1);
}
.dashboard-card:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(30,91,232,0.35); }
.dashboard-card::before {
  content: ''; position: absolute; top: -50%; right: -30%; width: 200px; height: 200px;
  border-radius: 50%; background: radial-gradient(circle, rgba(0,194,255,0.2), transparent);
}
.dashboard-card .dc-icon {
  width: 44px; height: 44px; border-radius: 10px; background: rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.dashboard-card .dc-icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 1.8; }
.dashboard-card .dc-val { font-size: 36px; font-weight: 900; font-family: var(--font-mono); line-height: 1; margin-bottom: 6px; }
.dashboard-card .dc-lbl { font-size: 13px; color: rgba(255,255,255,0.7); }
.dashboard-card .dc-trend {
  display: inline-flex; align-items: center; gap: 4px; margin-top: 12px;
  padding: 4px 10px; border-radius: 100px; background: rgba(16,185,129,0.2);
  font-size: 12px; font-weight: 600; color: #6EE7B7;
}

/* ===== 功能矩阵表格 ===== */
.feature-matrix { width: 100%; border-collapse: collapse; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.feature-matrix th, .feature-matrix td { padding: 14px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border-light); }
.feature-matrix thead { background: linear-gradient(135deg, var(--brand-dark), var(--brand)); }
.feature-matrix th { color: #fff; font-weight: 600; font-size: 13px; }
.feature-matrix tbody tr { background: #fff; transition: all 0.2s; }
.feature-matrix tbody tr:hover { background: var(--bg-light); }
.feature-matrix td:first-child { font-weight: 600; color: var(--text-title); }
.feature-matrix .fm-check { color: var(--accent-green); font-weight: 900; }
.feature-matrix .fm-cross { color: var(--text-muted); }

/* ===== 步骤流程横向 ===== */
.flow-h { display: flex; align-items: stretch; gap: 0; position: relative; }
.flow-h .fh-step {
  flex: 1; padding: 24px 20px; background: #fff; border: 1px solid var(--border-light);
  position: relative; transition: all 0.3s;
}
.flow-h .fh-step:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.flow-h .fh-step:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.flow-h .fh-step:not(:last-child)::after {
  content: ''; position: absolute; top: 50%; right: -1px; transform: translateY(-50%);
  width: 0; height: 0; border-top: 10px solid transparent; border-bottom: 10px solid transparent;
  border-left: 10px solid var(--border-light); z-index: 2;
}
.flow-h .fh-step:hover { background: var(--bg-light); border-color: var(--brand-light); transform: translateY(-3px); box-shadow: var(--shadow-md); z-index: 3; }
.flow-h .fh-num {
  width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
  color: #fff; font-size: 14px; font-weight: 800; font-family: var(--font-mono);
  display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.flow-h .fh-step h4 { font-size: 15px; font-weight: 700; color: var(--text-title); margin-bottom: 6px; }
.flow-h .fh-step p { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* ===== 响应式补充 ===== */
@media (max-width: 1024px) {
  .card-stack .cs-card:nth-child(2), .card-stack .cs-card:nth-child(3) { display: none; }
  .flow-h { flex-direction: column; }
  .flow-h .fh-step:first-child { border-radius: var(--radius) var(--radius) 0 0; }
  .flow-h .fh-step:last-child { border-radius: 0 0 var(--radius) var(--radius); }
  .flow-h .fh-step:not(:last-child)::after { display: none; }
}
@media (max-width: 768px) {
  .ring-chart svg { width: 100px; height: 100px; }
  .dashboard-card .dc-val { font-size: 28px; }
  .feature-matrix { font-size: 12px; }
  .feature-matrix th, .feature-matrix td { padding: 10px 12px; }
}

/* ========================================
   炫酷动效 V3：去重版新增动效
   ======================================== */

/* ===== 轨道环绕动画 ===== */
.orbit-wrap { position: relative; width: 280px; height: 280px; margin: 0 auto; }
.orbit-center {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 40px rgba(30,91,232,0.4); z-index: 2;
}
.orbit-center svg { width: 36px; height: 36px; stroke: #fff; fill: none; stroke-width: 1.8; }
.orbit-ring {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  border: 1px dashed rgba(30,91,232,0.2); border-radius: 50%;
}
.orbit-ring.r1 { width: 160px; height: 160px; animation: orbitSpin 12s linear infinite; }
.orbit-ring.r2 { width: 240px; height: 240px; animation: orbitSpin 18s linear infinite reverse; }
.orbit-item {
  position: absolute; width: 44px; height: 44px; border-radius: 10px;
  background: #fff; box-shadow: 0 4px 16px rgba(30,91,232,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: var(--brand);
}
.orbit-ring.r1 .orbit-item:nth-child(1) { top: -22px; left: 50%; transform: translateX(-50%); }
.orbit-ring.r1 .orbit-item:nth-child(2) { bottom: -22px; left: 50%; transform: translateX(-50%); }
.orbit-ring.r1 .orbit-item:nth-child(3) { top: 50%; left: -22px; transform: translateY(-50%); }
.orbit-ring.r1 .orbit-item:nth-child(4) { top: 50%; right: -22px; transform: translateY(-50%); }
.orbit-ring.r2 .orbit-item:nth-child(1) { top: -22px; left: 50%; transform: translateX(-50%); }
.orbit-ring.r2 .orbit-item:nth-child(2) { bottom: -22px; left: 50%; transform: translateX(-50%); }
@keyframes orbitSpin { from { transform: translate(-50%,-50%) rotate(0deg); } to { transform: translate(-50%,-50%) rotate(360deg); } }

/* ===== 霓虹边框卡片 ===== */
.neon-card {
  position: relative; border-radius: var(--radius-lg); background: #fff; padding: 28px;
  border: 1px solid var(--border-light); transition: all 0.4s;
}
.neon-card:hover {
  border-color: transparent;
  box-shadow: 0 0 0 1px var(--brand), 0 0 20px rgba(30,91,232,0.3), 0 0 40px rgba(0,194,255,0.15);
  transform: translateY(-4px);
}
.neon-card .nc-icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(30,91,232,0.1), rgba(0,194,255,0.08));
  display: flex; align-items: center; justify-content: center;
}
.neon-card .nc-icon svg { width: 24px; height: 24px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.neon-card h4 { font-size: 17px; font-weight: 700; color: var(--text-title); margin-bottom: 8px; }
.neon-card p { font-size: 13px; color: var(--text-body); line-height: 1.75; }

/* ===== 液态背景 ===== */
.liquid-bg {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  padding: 48px; color: #fff;
}
.liquid-bg::before, .liquid-bg::after {
  content: ''; position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,255,0.3), transparent);
}
.liquid-bg::before { width: 300px; height: 300px; top: -100px; right: -50px; animation: liquidFloat 8s ease-in-out infinite; }
.liquid-bg::after { width: 200px; height: 200px; bottom: -80px; left: -30px; animation: liquidFloat 10s ease-in-out infinite reverse; }
@keyframes liquidFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(20px,-20px) scale(1.1); }
}

/* ===== 数字增长曲线 ===== */
.growth-curve { position: relative; height: 120px; margin: 20px 0; }
.growth-curve svg { width: 100%; height: 100%; }
.growth-curve .gc-line {
  fill: none; stroke: url(#curveGrad); stroke-width: 3; stroke-linecap: round;
  stroke-dasharray: 500; stroke-dashoffset: 500;
}
.growth-curve.animated .gc-line { animation: drawCurve 2s ease forwards; }
.growth-curve .gc-area { fill: url(#curveArea); opacity: 0; }
.growth-curve.animated .gc-area { animation: fadeInArea 2s ease 0.5s forwards; }
@keyframes drawCurve { to { stroke-dashoffset: 0; } }
@keyframes fadeInArea { to { opacity: 0.3; } }
.growth-curve .gc-dot {
  fill: var(--brand); r: 5; opacity: 0;
}
.growth-curve.animated .gc-dot { animation: dotPop 0.4s ease forwards; }
.growth-curve.animated .gc-dot:nth-child(1) { animation-delay: 0.5s; }
.growth-curve.animated .gc-dot:nth-child(2) { animation-delay: 1s; }
.growth-curve.animated .gc-dot:nth-child(3) { animation-delay: 1.5s; }
.growth-curve.animated .gc-dot:nth-child(4) { animation-delay: 2s; }
@keyframes dotPop { 0%{opacity:0;r:0} 50%{r:8} 100%{opacity:1;r:5} }

/* ===== 3D卡片堆叠展示 ===== */
.card-stack-3d { perspective: 1200px; height: 320px; position: relative; }
.card-stack-3d .cs3d-card {
  position: absolute; width: 100%; height: 280px; border-radius: var(--radius-lg);
  background: #fff; box-shadow: var(--shadow-md); padding: 32px;
  transition: all 0.5s cubic-bezier(.4,0,.2,1); cursor: pointer;
  border: 1px solid var(--border-light);
}
.card-stack-3d .cs3d-card:nth-child(1) { transform: translateZ(0) rotateY(0); z-index: 3; }
.card-stack-3d .cs3d-card:nth-child(2) { transform: translateZ(-40px) translateX(30px) rotateY(-5deg); z-index: 2; opacity: 0.8; }
.card-stack-3d .cs3d-card:nth-child(3) { transform: translateZ(-80px) translateX(60px) rotateY(-10deg); z-index: 1; opacity: 0.6; }
.card-stack-3d:hover .cs3d-card:nth-child(1) { transform: translateZ(0) translateX(-20px) rotateY(5deg); }
.card-stack-3d:hover .cs3d-card:nth-child(2) { transform: translateZ(-40px) translateX(10px) rotateY(0deg); opacity: 1; }
.card-stack-3d:hover .cs3d-card:nth-child(3) { transform: translateZ(-80px) translateX(40px) rotateY(-5deg); opacity: 0.9; }

/* ===== 时间线横向 ===== */
.timeline-h { display: flex; gap: 0; overflow-x: auto; padding: 20px 0; }
.timeline-h .tlh-item { flex: 0 0 200px; position: relative; padding: 0 16px; text-align: center; }
.timeline-h .tlh-item::before {
  content: ''; position: absolute; top: 20px; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--brand-light), var(--brand));
}
.timeline-h .tlh-item:first-child::before { left: 50%; }
.timeline-h .tlh-item:last-child::before { right: 50%; }
.timeline-h .tlh-dot {
  width: 40px; height: 40px; border-radius: 50%; background: #fff;
  border: 3px solid var(--brand); margin: 0 auto 16px; position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800; color: var(--brand); font-family: var(--font-mono);
  transition: all 0.3s;
}
.timeline-h .tlh-item:hover .tlh-dot { background: var(--brand); color: #fff; transform: scale(1.15); box-shadow: 0 0 20px rgba(30,91,232,0.4); }
.timeline-h .tlh-date { font-size: 12px; font-weight: 700; color: var(--brand); font-family: var(--font-mono); margin-bottom: 4px; }
.timeline-h .tlh-title { font-size: 14px; font-weight: 600; color: var(--text-title); margin-bottom: 4px; }
.timeline-h .tlh-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* ===== 响应式补充V3 ===== */
@media (max-width: 768px) {
  .orbit-wrap { width: 220px; height: 220px; }
  .orbit-ring.r1 { width: 130px; height: 130px; }
  .orbit-ring.r2 { width: 200px; height: 200px; }
  .liquid-bg { padding: 28px; }
  .card-stack-3d { height: 280px; }
  .card-stack-3d .cs3d-card { height: 240px; padding: 20px; }
  .timeline-h .tlh-item { flex: 0 0 160px; }
}

/* ========================================
   V4 升级：7种差异化Hero布局
   ======================================== */

/* Hero通用基础 */
.hero-v4 {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; overflow: hidden;
}
.hero-v4 .container { position: relative; z-index: 2; }

/* ===== Hero类型1：产品页 - 浏览器窗口Mockup ===== */
.hero-product { background: linear-gradient(135deg, #F0F5FF 0%, #E8F0FF 50%, #F5F8FF 100%); }
.hero-product::before {
  content: ''; position: absolute; top: -200px; right: -200px; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(30,91,232,0.08) 0%, transparent 70%); border-radius: 50%;
}
.hero-product-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center;
}
.hero-product-left h1 {
  font-size: 52px; font-weight: 900; color: var(--text-title); line-height: 1.15; margin-bottom: 20px;
}
.hero-product-left .hero-sub {
  font-size: 17px; color: var(--text-body); line-height: 1.8; margin-bottom: 32px;
}
.hero-product-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero-product-tag {
  padding: 6px 16px; border-radius: 20px; background: rgba(30,91,232,0.08);
  color: var(--brand); font-size: 13px; font-weight: 600;
}
/* 浏览器窗口Mockup */
.browser-mockup {
  background: #fff; border-radius: 16px; box-shadow: 0 30px 80px rgba(30,91,232,0.2);
  overflow: hidden; transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.6s ease;
}
.browser-mockup:hover { transform: perspective(1200px) rotateY(0deg) rotateX(0deg); }
.browser-header {
  background: #F1F3F8; padding: 12px 16px; display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid #E3EAF5;
}
.browser-dot { width: 12px; height: 12px; border-radius: 50%; }
.browser-dot.r { background: #FF5F57; }
.browser-dot.y { background: #FEBC2E; }
.browser-dot.g { background: #28C840; }
.browser-url {
  flex: 1; margin-left: 12px; background: #fff; border-radius: 6px; padding: 5px 12px;
  font-size: 12px; color: var(--text-muted); font-family: var(--font-mono);
}
.browser-body { padding: 24px; }
.browser-chart {
  height: 180px; background: linear-gradient(180deg, rgba(30,91,232,0.05) 0%, transparent 100%);
  border-radius: 10px; position: relative; overflow: hidden; margin-bottom: 16px;
}
.browser-chart svg { width: 100%; height: 100%; }
.browser-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.browser-stat {
  background: var(--bg-lighter); border-radius: 8px; padding: 12px; text-align: center;
}
.browser-stat .bs-val { font-size: 20px; font-weight: 800; color: var(--brand); }
.browser-stat .bs-lbl { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ===== Hero类型2：解决方案页 - 居中+浮动图标 ===== */
.hero-solution {
  background: var(--bg-dark); color: #fff; text-align: center;
}
.hero-solution::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(30,91,232,0.3) 0%, transparent 60%);
}
.hero-solution-icons {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.hsi-icon {
  position: absolute; width: 60px; height: 60px; border-radius: 16px;
  background: rgba(255,255,255,0.05); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center;
  animation: floatIcon 6s ease-in-out infinite;
}
.hsi-icon svg { width: 28px; height: 28px; stroke: rgba(255,255,255,0.4); fill: none; stroke-width: 1.5; }
@keyframes floatIcon {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}
.hero-solution h1 {
  font-size: 56px; font-weight: 900; color: #fff; line-height: 1.15; margin-bottom: 20px;
}
.hero-solution .hero-sub {
  font-size: 18px; color: rgba(255,255,255,0.7); line-height: 1.8; max-width: 680px; margin: 0 auto 36px;
}
.hero-solution-cta { display: flex; gap: 16px; justify-content: center; margin-bottom: 48px; }
.hero-solution-stats {
  display: flex; justify-content: center; gap: 60px; flex-wrap: wrap;
}
.hss-item .hss-val { font-size: 36px; font-weight: 900; color: var(--accent-cyan); }
.hss-item .hss-lbl { font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 4px; }

/* ===== Hero类型3：行业页 - 深色+行业卡片网格 ===== */
.hero-industry {
  background: linear-gradient(135deg, #0A1628 0%, #0D1F3D 50%, #0A1628 100%);
  color: #fff;
}
.hero-industry::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(30,91,232,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,91,232,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-industry-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-industry-left h1 {
  font-size: 52px; font-weight: 900; color: #fff; line-height: 1.15; margin-bottom: 20px;
}
.hero-industry-left .hero-sub {
  font-size: 17px; color: rgba(255,255,255,0.65); line-height: 1.8; margin-bottom: 28px;
}
.industry-quick-nav { display: flex; flex-wrap: wrap; gap: 10px; }
.iqn-item {
  padding: 8px 18px; border-radius: 24px; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.7);
  font-size: 13px; font-weight: 500; transition: all 0.3s; cursor: pointer;
}
.iqn-item:hover { background: var(--brand); border-color: var(--brand); color: #fff; transform: translateY(-2px); }
/* 行业卡片网格 */
.industry-card-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.icg-card {
  background: rgba(255,255,255,0.04); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 20px 16px;
  text-align: center; transition: all 0.4s; cursor: pointer;
}
.icg-card:hover {
  background: rgba(30,91,232,0.15); border-color: var(--brand);
  transform: translateY(-4px); box-shadow: 0 12px 30px rgba(30,91,232,0.3);
}
.icg-icon {
  width: 44px; height: 44px; margin: 0 auto 10px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(30,91,232,0.3), rgba(0,194,255,0.2));
  display: flex; align-items: center; justify-content: center;
}
.icg-icon svg { width: 22px; height: 22px; stroke: var(--accent-cyan); fill: none; stroke-width: 1.8; }
.icg-name { font-size: 13px; font-weight: 600; color: #fff; }
.icg-count { font-size: 11px; color: rgba(255,255,255,0.4); margin-top: 2px; }

/* ===== Hero类型4：案例页 - 大数字背景+Logo墙 ===== */
.hero-cases {
  background: var(--bg-light); position: relative; overflow: hidden;
}
.hero-cases-bg-num {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-size: 400px; font-weight: 900; color: rgba(30,91,232,0.03);
  font-family: var(--font-mono); line-height: 1; pointer-events: none; user-select: none;
}
.hero-cases-content { text-align: center; position: relative; z-index: 2; }
.hero-cases h1 {
  font-size: 56px; font-weight: 900; color: var(--text-title); line-height: 1.15; margin-bottom: 20px;
}
.hero-cases .hero-sub {
  font-size: 18px; color: var(--text-body); line-height: 1.8; max-width: 640px; margin: 0 auto 40px;
}
/* 客户Logo墙 */
.logo-wall {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; max-width: 900px; margin: 0 auto;
}
.logo-wall-item {
  background: #fff; border-radius: 12px; padding: 20px 12px; display: flex; align-items: center;
  justify-content: center; box-shadow: var(--shadow-sm); transition: all 0.3s;
  border: 1px solid var(--border-light);
}
.logo-wall-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.logo-wall-item .lwi-text {
  font-size: 14px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.5px;
}

/* ===== Hero类型5：关于页 - 分屏+团队照片 ===== */
.hero-about {
  background: linear-gradient(135deg, #F8FAFF 0%, #EFF4FF 100%);
}
.hero-about-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center;
}
.hero-about-photo {
  position: relative; border-radius: 20px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(30,91,232,0.2);
}
.hero-about-photo img { width: 100%; height: 480px; object-fit: cover; }
.hero-about-photo::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(30,91,232,0.1) 0%, transparent 50%);
}
.hero-about-badge {
  position: absolute; bottom: 24px; left: 24px; right: 24px;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  border-radius: 14px; padding: 16px 20px; display: flex; align-items: center; gap: 16px;
}
.hab-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.hab-icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 2; }
.hab-text .hab-val { font-size: 20px; font-weight: 800; color: var(--text-title); }
.hab-text .hab-lbl { font-size: 12px; color: var(--text-muted); }
.hero-about-right h1 {
  font-size: 52px; font-weight: 900; color: var(--text-title); line-height: 1.15; margin-bottom: 20px;
}
.hero-about-right .hero-sub {
  font-size: 17px; color: var(--text-body); line-height: 1.8; margin-bottom: 28px;
}
.hero-about-meta { display: flex; gap: 32px; flex-wrap: wrap; }
.ham-item .ham-val { font-size: 28px; font-weight: 900; color: var(--brand); }
.ham-item .ham-lbl { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===== Hero类型6：联系页 - 地图风格背景 ===== */
.hero-contact {
  background: var(--bg-dark); color: #fff; position: relative; overflow: hidden;
}
.hero-contact::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(30,91,232,0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0,194,255,0.1) 0%, transparent 40%);
}
/* 地图点阵 */
.map-dots {
  position: absolute; inset: 0; opacity: 0.3;
  background-image: radial-gradient(circle, rgba(255,255,255,0.3) 1px, transparent 1px);
  background-size: 30px 30px;
}
.map-pin {
  position: absolute; width: 40px; height: 40px; border-radius: 50% 50% 50% 0;
  background: var(--brand); transform: rotate(-45deg); display: flex; align-items: center;
  justify-content: center; box-shadow: 0 4px 20px rgba(30,91,232,0.5);
  animation: pinBounce 2s ease-in-out infinite;
}
.map-pin::after {
  content: ''; width: 14px; height: 14px; border-radius: 50%; background: #fff;
}
.map-pin.p1 { top: 25%; left: 15%; animation-delay: 0s; }
.map-pin.p2 { top: 45%; right: 20%; animation-delay: 0.5s; }
.map-pin.p3 { bottom: 30%; left: 35%; animation-delay: 1s; }
@keyframes pinBounce {
  0%, 100% { transform: rotate(-45deg) translateY(0); }
  50% { transform: rotate(-45deg) translateY(-10px); }
}
.hero-contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  position: relative; z-index: 2;
}
.hero-contact-left h1 {
  font-size: 52px; font-weight: 900; color: #fff; line-height: 1.15; margin-bottom: 20px;
}
.hero-contact-left .hero-sub {
  font-size: 17px; color: rgba(255,255,255,0.65); line-height: 1.8; margin-bottom: 32px;
}
.contact-quick-cards { display: flex; flex-direction: column; gap: 14px; }
.cqc-card {
  background: rgba(255,255,255,0.06); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1); border-radius: 14px; padding: 18px 22px;
  display: flex; align-items: center; gap: 16px; transition: all 0.3s;
}
.cqc-card:hover { background: rgba(30,91,232,0.2); border-color: var(--brand); transform: translateX(6px); }
.cqc-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(30,91,232,0.4), rgba(0,194,255,0.3));
  display: flex; align-items: center; justify-content: center;
}
.cqc-icon svg { width: 22px; height: 22px; stroke: var(--accent-cyan); fill: none; stroke-width: 1.8; }
.cqc-text .cqc-label { font-size: 12px; color: rgba(255,255,255,0.5); }
.cqc-text .cqc-value { font-size: 16px; font-weight: 600; color: #fff; margin-top: 2px; }

/* ===== Hero类型7：价格页 - 居中+切换器 ===== */
.hero-pricing {
  background: linear-gradient(180deg, #F0F5FF 0%, #fff 100%); text-align: center;
  padding-bottom: 40px;
}
.hero-pricing h1 {
  font-size: 52px; font-weight: 900; color: var(--text-title); line-height: 1.15; margin-bottom: 16px;
}
.hero-pricing .hero-sub {
  font-size: 18px; color: var(--text-body); line-height: 1.7; max-width: 600px; margin: 0 auto 36px;
}
/* 月付/年付切换器 */
.billing-toggle {
  display: inline-flex; align-items: center; gap: 16px; background: #fff;
  border: 1px solid var(--border); border-radius: 30px; padding: 6px; box-shadow: var(--shadow-sm);
}
.bt-option {
  padding: 10px 28px; border-radius: 24px; font-size: 14px; font-weight: 600;
  color: var(--text-muted); cursor: pointer; transition: all 0.3s;
}
.bt-option.active { background: var(--brand); color: #fff; box-shadow: var(--shadow-brand); }
.bt-save {
  background: linear-gradient(135deg, var(--accent-green), #059669); color: #fff;
  font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 12px; margin-left: 4px;
}

/* ========================================
   V4 升级：高级价格卡片
   ======================================== */
.pricing-section { padding: 80px 0 100px; background: #fff; }
.pricing-cards-v4 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; max-width: 1100px; margin: 0 auto;
  align-items: stretch;
}
.price-card-v4 {
  background: #fff; border: 2px solid var(--border-light); border-radius: 20px;
  padding: 36px 32px; position: relative; transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
  display: flex; flex-direction: column;
}
.price-card-v4:hover {
  transform: translateY(-8px); box-shadow: 0 24px 60px rgba(30,91,232,0.15);
  border-color: rgba(30,91,232,0.3);
}
.price-card-v4.featured {
  border-color: var(--brand); background: linear-gradient(180deg, #FAFCFF 0%, #fff 100%);
  box-shadow: 0 20px 50px rgba(30,91,232,0.2); transform: scale(1.03);
}
.price-card-v4.featured:hover { transform: scale(1.03) translateY(-8px); }
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan)); color: #fff;
  padding: 6px 20px; border-radius: 20px; font-size: 12px; font-weight: 700;
  box-shadow: var(--shadow-brand); white-space: nowrap;
}
.pc4-name {
  font-size: 20px; font-weight: 800; color: var(--text-title); margin-bottom: 6px;
}
.pc4-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 24px; min-height: 40px; }
.pc4-price-row { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.pc4-currency { font-size: 20px; font-weight: 700; color: var(--text-title); }
.pc4-price { font-size: 48px; font-weight: 900; color: var(--text-title); line-height: 1; }
.pc4-period { font-size: 14px; color: var(--text-muted); margin-left: 4px; }
.pc4-original {
  font-size: 13px; color: var(--text-muted); text-decoration: line-through; margin-bottom: 20px;
  min-height: 20px;
}
.pc4-cta {
  width: 100%; padding: 14px; border-radius: 12px; font-size: 15px; font-weight: 700;
  text-align: center; transition: all 0.3s; margin-bottom: 28px; cursor: pointer; border: none;
}
.pc4-cta.primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-brand); }
.pc4-cta.primary:hover { background: var(--brand-dark); transform: translateY(-2px); }
.pc4-cta.outline { background: #fff; color: var(--brand); border: 2px solid var(--brand); }
.pc4-cta.outline:hover { background: var(--brand); color: #fff; }
.pc4-divider { height: 1px; background: var(--border-light); margin-bottom: 24px; }
.pc4-features-title {
  font-size: 13px; font-weight: 700; color: var(--text-title); margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.pc4-feature-list { display: flex; flex-direction: column; gap: 12px; flex: 1; }
.pc4-feature {
  display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text-body);
  line-height: 1.5;
}
.pc4-feature .check-icon {
  width: 18px; height: 18px; border-radius: 50%; background: rgba(16,185,129,0.12);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;
}
.pc4-feature .check-icon svg { width: 10px; height: 10px; stroke: var(--accent-green); fill: none; stroke-width: 3; }
.pc4-feature.na { color: var(--text-muted); opacity: 0.5; }
.pc4-feature.na .check-icon { background: rgba(138,153,181,0.1); }
.pc4-feature.na .check-icon svg { stroke: var(--text-muted); }

/* 价格对比表 */
.pricing-compare-section { padding: 80px 0; background: var(--bg-light); }
.compare-table-wrap {
  background: #fff; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td {
  padding: 16px 20px; text-align: center; border-bottom: 1px solid var(--border-light);
  font-size: 14px;
}
.compare-table th:first-child, .compare-table td:first-child {
  text-align: left; font-weight: 600; color: var(--text-title); background: var(--bg-lighter);
}
.compare-table thead th {
  background: var(--bg-dark); color: #fff; font-weight: 700; font-size: 15px; padding: 20px;
}
.compare-table thead th.featured-col {
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
}
.compare-table tbody tr:hover { background: var(--bg-lighter); }
.compare-table .ct-check { color: var(--accent-green); font-weight: 800; font-size: 18px; }
.compare-table .ct-cross { color: var(--text-muted); opacity: 0.3; font-size: 16px; }
.compare-table .ct-text { color: var(--text-body); }

/* ========================================
   V4 升级：数据展示V2（图文并茂）
   ======================================== */
.data-showcase-section { padding: 100px 0; background: var(--bg-dark); color: #fff; position: relative; overflow: hidden; }
.data-showcase-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(30,91,232,0.2) 0%, transparent 50%);
}
.ds-grid {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: center;
  position: relative; z-index: 2;
}
.ds-left h2 { font-size: 40px; font-weight: 900; color: #fff; line-height: 1.2; margin-bottom: 16px; }
.ds-left .ds-sub { font-size: 16px; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 32px; }
.ds-highlight {
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 20px;
  background: rgba(30,91,232,0.2); border: 1px solid rgba(30,91,232,0.3);
  border-radius: 30px; font-size: 14px; font-weight: 600; color: var(--accent-cyan);
  margin-bottom: 24px;
}
/* 数据卡片网格V2 */
.ds-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.ds-card {
  background: rgba(255,255,255,0.04); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 18px; padding: 28px;
  position: relative; overflow: hidden; transition: all 0.4s;
}
.ds-card:hover {
  background: rgba(30,91,232,0.1); border-color: rgba(30,91,232,0.4);
  transform: translateY(-4px);
}
.ds-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent-cyan));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s;
}
.ds-card:hover::before { transform: scaleX(1); }
.ds-card-icon {
  width: 48px; height: 48px; border-radius: 14px; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(30,91,232,0.3), rgba(0,194,255,0.2));
  display: flex; align-items: center; justify-content: center;
}
.ds-card-icon svg { width: 24px; height: 24px; stroke: var(--accent-cyan); fill: none; stroke-width: 1.8; }
.ds-card-value {
  font-size: 42px; font-weight: 900; color: #fff; line-height: 1; margin-bottom: 6px;
  display: flex; align-items: baseline; gap: 4px;
}
.ds-card-value .unit { font-size: 18px; font-weight: 600; color: rgba(255,255,255,0.5); }
.ds-card-label { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 12px; }
.ds-card-trend {
  display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 700;
  padding: 4px 10px; border-radius: 12px; background: rgba(16,185,129,0.15); color: #34D399;
}
.ds-card-trend.down { background: rgba(239,68,68,0.15); color: #F87171; }
.ds-card-trend svg { width: 12px; height: 12px; fill: currentColor; }
/* 迷你柱状图 */
.ds-mini-chart {
  display: flex; align-items: flex-end; gap: 4px; height: 40px; margin-top: 12px;
}
.ds-mini-bar {
  flex: 1; background: linear-gradient(180deg, var(--accent-cyan), rgba(30,91,232,0.5));
  border-radius: 3px 3px 0 0; transition: height 0.6s ease;
}

/* ========================================
   V4 升级：流程步骤V2
   ======================================== */
.flow-v2-section { padding: 100px 0; background: #fff; position: relative; }
.flow-v2 {
  display: flex; justify-content: space-between; position: relative; max-width: 1100px; margin: 0 auto;
}
.flow-v2::before {
  content: ''; position: absolute; top: 44px; left: 8%; right: 8%; height: 3px;
  background: var(--border-light); border-radius: 2px; z-index: 0;
}
.flow-v2-line {
  position: absolute; top: 44px; left: 8%; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--brand), var(--accent-cyan));
  border-radius: 2px; z-index: 1; transition: width 1.5s ease;
}
.flow-v2.animated .flow-v2-line { width: 84%; }
.fv2-step {
  flex: 1; text-align: center; position: relative; z-index: 2; padding: 0 12px;
}
.fv2-num {
  width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 20px;
  background: #fff; border: 3px solid var(--border-light); display: flex; align-items: center;
  justify-content: center; font-size: 28px; font-weight: 900; color: var(--text-muted);
  font-family: var(--font-mono); position: relative; transition: all 0.5s;
}
.fv2-step.active .fv2-num, .fv2-step:hover .fv2-num {
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
  border-color: var(--brand); color: #fff; transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(30,91,232,0.4);
}
.fv2-num::after {
  content: ''; position: absolute; inset: -8px; border-radius: 50%;
  border: 2px solid var(--brand); opacity: 0; transition: opacity 0.3s;
}
.fv2-step.active .fv2-num::after, .fv2-step:hover .fv2-num::after {
  opacity: 0.3; animation: numPulse 1.5s ease infinite;
}
@keyframes numPulse {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.3); opacity: 0; }
}
.fv2-title { font-size: 17px; font-weight: 700; color: var(--text-title); margin-bottom: 8px; }
.fv2-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.fv2-detail {
  font-size: 12px; color: var(--brand); font-weight: 600; padding: 6px 14px;
  background: rgba(30,91,232,0.06); border-radius: 16px; display: inline-block;
}

/* 流程详情卡片 */
.flow-detail-section { padding: 60px 0 100px; background: var(--bg-light); }
.flow-detail-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto;
}
.fd-card {
  background: #fff; border-radius: 18px; padding: 28px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light); transition: all 0.4s; position: relative; overflow: hidden;
}
.fd-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.fd-card-num {
  position: absolute; top: 16px; right: 20px; font-size: 48px; font-weight: 900;
  color: rgba(30,91,232,0.06); font-family: var(--font-mono); line-height: 1;
}
.fd-card-icon {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(30,91,232,0.1), rgba(0,194,255,0.08));
  display: flex; align-items: center; justify-content: center;
}
.fd-card-icon svg { width: 22px; height: 22px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.fd-card h4 { font-size: 17px; font-weight: 700; color: var(--text-title); margin-bottom: 10px; }
.fd-card p { font-size: 13px; color: var(--text-body); line-height: 1.7; margin-bottom: 14px; }
.fd-card-list { display: flex; flex-direction: column; gap: 8px; }
.fd-card-list li {
  font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 8px;
}
.fd-card-list li::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); flex-shrink: 0;
}

/* ========================================
   V4 升级：更多动效与装饰
   ======================================== */
/* 渐变边框卡片 */
.gradient-border-card {
  position: relative; border-radius: 20px; padding: 2px;
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan), var(--brand));
  background-size: 200% 200%; animation: gradBorder 4s ease infinite;
}
@keyframes gradBorder {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.gradient-border-card .gbc-inner {
  background: #fff; border-radius: 18px; padding: 32px; height: 100%;
}

/* 数字滚动展示 */
.number-ticker {
  display: flex; align-items: baseline; gap: 2px; font-family: var(--font-mono);
}
.nt-digit {
  display: inline-block; font-size: 48px; font-weight: 900; color: var(--text-title);
  animation: digitRoll 0.6s ease;
}
@keyframes digitRoll {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* 标签云V2 */
.tag-cloud-v2 { display: flex; flex-wrap: wrap; gap: 10px; }
.tcv2-item {
  padding: 8px 18px; border-radius: 24px; font-size: 13px; font-weight: 500;
  background: var(--bg-lighter); border: 1px solid var(--border-light);
  color: var(--text-body); transition: all 0.3s; cursor: default;
}
.tcv2-item:hover {
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
  color: #fff; border-color: transparent; transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30,91,232,0.3);
}

/* 图片展示网格 */
.image-gallery {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.ig-item {
  border-radius: 14px; overflow: hidden; position: relative; cursor: pointer;
  transition: all 0.4s; aspect-ratio: 1;
}
.ig-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.ig-item:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.ig-item:hover img { transform: scale(1.1); }
.ig-item .ig-overlay {
  position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(10,22,40,0.8) 100%);
  display: flex; align-items: flex-end; padding: 16px; opacity: 0; transition: opacity 0.3s;
}
.ig-item:hover .ig-overlay { opacity: 1; }
.ig-overlay span { color: #fff; font-size: 13px; font-weight: 600; }

/* 响应式V4 */
@media (max-width: 1024px) {
  .hero-product-grid, .hero-industry-grid, .hero-about-grid, .hero-contact-grid, .ds-grid {
    grid-template-columns: 1fr; gap: 40px;
  }
  .pricing-cards-v4 { grid-template-columns: 1fr; max-width: 420px; }
  .price-card-v4.featured { transform: none; }
  .price-card-v4.featured:hover { transform: translateY(-8px); }
  .flow-v2 { flex-direction: column; gap: 32px; }
  .flow-v2::before, .flow-v2-line { display: none; }
  .flow-detail-grid { grid-template-columns: 1fr; }
  .ds-cards { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .industry-card-grid { grid-template-columns: repeat(2, 1fr); }
  .image-gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero-v4 { padding: 100px 0 60px; min-height: auto; }
  .hero-product-left h1, .hero-solution h1, .hero-industry-left h1,
  .hero-cases h1, .hero-about-right h1, .hero-contact-left h1, .hero-pricing h1 {
    font-size: 36px;
  }
  .hero-cases-bg-num { font-size: 180px; }
  .browser-mockup { transform: none; }
  .ds-left h2 { font-size: 28px; }
  .ds-card-value { font-size: 32px; }
  .fv2-num { width: 64px; height: 64px; font-size: 20px; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .hero-solution-stats { gap: 32px; }
  .hss-item .hss-val { font-size: 28px; }
}

/* ========================================
   V4 修复：首页Hero基础样式（补全）
   ======================================== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; overflow: hidden; background: linear-gradient(135deg, #F5F8FF 0%, #EFF4FF 50%, #F8FAFF 100%);
}
.hero-decor { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-decor .blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.4; }
.hero-decor .blob1 { width: 500px; height: 500px; background: rgba(30,91,232,0.15); top: -100px; right: -100px; animation: blobFloat 12s ease-in-out infinite; }
.hero-decor .blob2 { width: 400px; height: 400px; background: rgba(0,194,255,0.12); bottom: -50px; left: -100px; animation: blobFloat 15s ease-in-out infinite reverse; }
@keyframes blobFloat { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(30px,-30px) scale(1.1); } }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(30,91,232,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(30,91,232,0.04) 1px, transparent 1px);
  background-size: 50px 50px; mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero .container { position: relative; z-index: 2; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-left { position: relative; z-index: 2; }
.hero-right { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px;
  background: rgba(30,91,232,0.08); border: 1px solid rgba(30,91,232,0.15);
  border-radius: 30px; font-size: 13px; font-weight: 600; color: var(--brand); margin-bottom: 24px;
}
.hero-badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); animation: pulse 2s ease infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.3); } }
.hero-left h1 { font-size: 52px; font-weight: 900; color: var(--text-title); line-height: 1.15; margin-bottom: 20px; }
.hero-left p { font-size: 17px; color: var(--text-body); line-height: 1.8; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stat { text-align: left; }
.hero-stat .hs-num { font-size: 32px; font-weight: 900; color: var(--brand); line-height: 1; }
.hero-stat .hs-label { font-size: 13px; color: var(--text-muted); margin-top: 6px; }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; min-height: 400px; }

/* 浮动卡片 */
.float-card {
  position: absolute; display: flex; align-items: center; gap: 12px;
  background: #fff; border-radius: 14px; padding: 14px 18px; box-shadow: 0 12px 40px rgba(30,91,232,0.15);
  border: 1px solid var(--border-light); z-index: 3; animation: floatCard 4s ease-in-out infinite;
}
@keyframes floatCard { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.float-card .fc-icon {
  width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.float-card .fc-icon svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 2; }
.float-card .fc-title { font-size: 11px; color: var(--text-muted); }
.float-card .fc-val { font-size: 18px; font-weight: 800; color: var(--text-title); }
.float-card.fc1 { top: 10%; left: -10px; animation-delay: 0s; }
.float-card.fc2 { bottom: 15%; right: -10px; animation-delay: -2s; }

/* 数据展示右侧补全 */
.ds-right { position: relative; }

/* 首页响应式 */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-left h1 { font-size: 40px; }
  .hero-stats { gap: 24px; }
  .float-card.fc1 { left: 0; }
  .float-card.fc2 { right: 0; }
}
@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-left h1 { font-size: 32px; }
  .hero-left p { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 20px; }
  .hero-stat .hs-num { font-size: 24px; }
  .hero-visual { min-height: 300px; }
  .float-card { padding: 10px 14px; }
  .float-card .fc-val { font-size: 14px; }
}

/* ========================================
   V4 修复：补全所有缺失的通用组件样式
   ======================================== */

/* 客户评价 */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testi-card {
  background: #fff; border-radius: 18px; padding: 32px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light); transition: all 0.4s;
}
.testi-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.testi-stars { color: var(--accent-gold); font-size: 18px; margin-bottom: 16px; letter-spacing: 2px; }
.testi-card p { font-size: 14px; color: var(--text-body); line-height: 1.8; margin-bottom: 24px; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.ta-avatar {
  width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 18px; flex-shrink: 0;
}
.ta-name { font-size: 15px; font-weight: 700; color: var(--text-title); }
.ta-role { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* 使命愿景 */
.mission-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.mission-card {
  background: #fff; border-radius: 20px; padding: 40px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light); transition: all 0.4s; position: relative; overflow: hidden;
}
.mission-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.mc-icon {
  width: 56px; height: 56px; border-radius: 16px; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(30,91,232,0.1), rgba(0,194,255,0.08));
  display: flex; align-items: center; justify-content: center;
}
.mc-icon svg { width: 28px; height: 28px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.mission-card h3 { font-size: 22px; font-weight: 800; color: var(--text-title); margin-bottom: 14px; }
.mission-card p { font-size: 15px; color: var(--text-body); line-height: 1.8; }

/* 核心价值观 */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card {
  background: #fff; border-radius: 16px; padding: 32px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light); transition: all 0.4s; position: relative;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(30,91,232,0.2); }
.vc-num {
  font-size: 42px; font-weight: 900; color: rgba(30,91,232,0.08); font-family: var(--font-mono);
  line-height: 1; margin-bottom: 12px;
}
.value-card h4 { font-size: 18px; font-weight: 700; color: var(--text-title); margin-bottom: 10px; }
.value-card p { font-size: 13px; color: var(--text-body); line-height: 1.7; }

/* 时间线 */
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding-left: 40px; }
.timeline::before {
  content: ''; position: absolute; left: 15px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--brand), var(--accent-cyan));
}
.tl-item { position: relative; margin-bottom: 32px; }
.tl-dot {
  position: absolute; left: -33px; top: 24px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand); z-index: 1;
}
.tl-content { background: #fff; border-radius: 14px; padding: 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); }
.tl-date { font-size: 13px; font-weight: 700; color: var(--brand); font-family: var(--font-mono); margin-bottom: 6px; }
.tl-title { font-size: 16px; font-weight: 700; color: var(--text-title); margin-bottom: 6px; }

/* 优势卡片 */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adv-card {
  background: #fff; border-radius: 16px; padding: 32px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light); transition: all 0.4s; position: relative; overflow: hidden;
}
.adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.adv-num {
  position: absolute; top: 20px; right: 24px; font-size: 48px; font-weight: 900;
  color: rgba(30,91,232,0.06); font-family: var(--font-mono); line-height: 1;
}
.adv-card h4 { font-size: 18px; font-weight: 700; color: var(--text-title); margin-bottom: 10px; position: relative; z-index: 1; }
.adv-card p { font-size: 13px; color: var(--text-body); line-height: 1.7; position: relative; z-index: 1; }

/* 数据总览翻转卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-flip-card { perspective: 1000px; height: 200px; }
.sfc-inner {
  position: relative; width: 100%; height: 100%; transition: transform 0.6s; transform-style: preserve-3d;
}
.stat-flip-card:hover .sfc-inner { transform: rotateY(180deg); }
.sfc-front, .sfc-back {
  position: absolute; inset: 0; backface-visibility: hidden; border-radius: 18px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px;
}
.sfc-front { background: #fff; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); }
.sfc-back {
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan)); color: #fff;
  transform: rotateY(180deg); text-align: center;
}
.sfc-val { font-size: 42px; font-weight: 900; color: var(--brand); line-height: 1; margin-bottom: 8px; }
.sfc-lbl { font-size: 13px; color: var(--text-muted); text-align: center; }
.sfc-back-title { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.sfc-back p { font-size: 12px; line-height: 1.6; opacity: 0.9; }

/* 联系卡片 */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card {
  background: #fff; border-radius: 18px; padding: 32px; text-align: center; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light); transition: all 0.4s;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(30,91,232,0.2); }
.cc-icon {
  width: 56px; height: 56px; border-radius: 16px; margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(30,91,232,0.1), rgba(0,194,255,0.08));
  display: flex; align-items: center; justify-content: center;
}
.cc-icon svg { width: 26px; height: 26px; stroke: var(--brand); fill: none; stroke-width: 1.8; }
.contact-card h4 { font-size: 17px; font-weight: 700; color: var(--text-title); margin-bottom: 10px; }
.contact-card p { font-size: 14px; color: var(--text-body); margin-bottom: 6px; }
.contact-card p a { color: var(--brand); font-weight: 600; }
.contact-card span { font-size: 12px; color: var(--text-muted); }

/* 联系表单 */
.contact-form-wrap { max-width: 700px; margin: 0 auto; }
.contact-form {
  background: #fff; border-radius: 20px; padding: 40px; box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text-title); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 14px; color: var(--text-body); background: var(--bg-lighter); transition: all 0.3s;
  font-family: var(--font-sans);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(30,91,232,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-check-group { margin-bottom: 24px; }
.form-check { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-body); cursor: pointer; }
.form-check input { width: 18px; height: 18px; accent-color: var(--brand); }
.form-success {
  display: none; text-align: center; padding: 40px; background: var(--bg-lighter); border-radius: 14px; margin-top: 24px;
}
.form-success.show { display: block; }
.form-success svg { width: 56px; height: 56px; stroke: var(--accent-green); fill: none; stroke-width: 2; margin-bottom: 16px; }
.form-success h4 { font-size: 20px; font-weight: 800; color: var(--text-title); margin-bottom: 8px; }
.form-success p { font-size: 14px; color: var(--text-body); }

/* 代码块 */
.code-block {
  background: var(--bg-dark); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-lg);
}
.code-header {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  background: rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.1);
}
.code-dot { width: 12px; height: 12px; border-radius: 50%; }
.code-dot.r { background: #FF5F57; }
.code-dot.y { background: #FEBC2E; }
.code-dot.g { background: #28C840; }
.code-lang { margin-left: auto; font-size: 12px; color: rgba(255,255,255,0.5); font-family: var(--font-mono); }
.code-content { padding: 20px; overflow-x: auto; }
.code-content pre { margin: 0; }
.code-content code { font-family: var(--font-mono); font-size: 13px; line-height: 1.7; color: #E3EAF5; }

/* 标签云V2 */
.tag-cloud-v2 { display: flex; flex-wrap: wrap; gap: 10px; }
.tcv2-item {
  padding: 8px 18px; border-radius: 24px; font-size: 13px; font-weight: 500;
  background: var(--bg-lighter); border: 1px solid var(--border-light);
  color: var(--text-body); transition: all 0.3s; cursor: default;
}
.tcv2-item:hover {
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan));
  color: #fff; border-color: transparent; transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30,91,232,0.3);
}

/* 图片展示网格 */
.image-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ig-item {
  border-radius: 14px; overflow: hidden; position: relative; cursor: pointer;
  transition: all 0.4s; aspect-ratio: 1;
}
.ig-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.ig-item:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.ig-item:hover img { transform: scale(1.1); }
.ig-item .ig-overlay {
  position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(10,22,40,0.8) 100%);
  display: flex; align-items: flex-end; padding: 16px; opacity: 0; transition: opacity 0.3s;
}
.ig-item:hover .ig-overlay { opacity: 1; }
.ig-overlay span { color: #fff; font-size: 13px; font-weight: 600; }

/* 渐变边框卡片 */
.gradient-border-card {
  position: relative; border-radius: 20px; padding: 2px;
  background: linear-gradient(135deg, var(--brand), var(--accent-cyan), var(--brand));
  background-size: 200% 200%; animation: gradBorder 4s ease infinite;
}
@keyframes gradBorder {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.gradient-border-card .gbc-inner {
  background: #fff; border-radius: 18px; padding: 32px; height: 100%;
}

/* 数字滚动 */
.number-ticker { display: flex; align-items: baseline; gap: 2px; font-family: var(--font-mono); }
.nt-digit {
  display: inline-block; font-size: 48px; font-weight: 900; color: var(--text-title);
  animation: digitRoll 0.6s ease;
}
@keyframes digitRoll {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* 通用响应式补充 */
@media (max-width: 1024px) {
  .testi-grid, .value-grid, .adv-grid, .contact-grid, .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .image-gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .testi-grid, .value-grid, .adv-grid, .contact-grid, .stat-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .stat-flip-card { height: 180px; }
  .timeline { padding-left: 30px; }
  .tl-dot { left: -27px; }
}