/* ===== Base ===== */
* { box-sizing: border-box; }
:root {
  --primary: #1976D2;
  --primary-dark: #0D47A1;
  --primary-light: #42A5F5;
  --accent: #00BFA5;
  --text: #1a2230;
  --muted: #6b7689;
  --bg: #ffffff;
  --bg-alt: #f5f8fc;
  --border: #e5eaf2;
  --shadow: 0 12px 32px rgba(20, 40, 80, 0.08);
  --radius: 14px;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; display: block; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.muted { color: var(--muted); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
}
.brand-logo { width: 32px; height: 32px; border-radius: 8px; }
.brand-name { letter-spacing: 0.2px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { display: inline-flex; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-lg { padding: 14px 26px; font-size: 15px; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 20px rgba(25, 118, 210, 0.25);
}
.btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(25, 118, 210, 0.32); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background:
    radial-gradient(1000px 500px at 80% -10%, rgba(25, 118, 210, 0.12), transparent 60%),
    radial-gradient(800px 400px at -10% 30%, rgba(0, 191, 165, 0.10), transparent 60%),
    var(--bg);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(25, 118, 210, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 48px;
  line-height: 1.2;
  margin: 0 0 20px;
  letter-spacing: -0.5px;
}
.lead {
  font-size: 17px;
  color: var(--muted);
  margin: 0 0 28px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-meta { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta strong { font-size: 18px; color: var(--text); }
.hero-meta span { font-size: 13px; color: var(--muted); }

/* ===== Phone Mockup ===== */
.hero-visual { display: flex; justify-content: center; }
.phone-frame {
  width: 280px;
  height: 560px;
  border-radius: 42px;
  background: #1a2230;
  padding: 12px;
  box-shadow:
    0 30px 60px rgba(20, 40, 80, 0.25),
    0 10px 24px rgba(20, 40, 80, 0.12);
  position: relative;
}
.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: #e8edf3;
}
.screen-top {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 22px;
  background: #1a2230;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
  z-index: 3;
}
.map-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, #e3eef8 0%, #c8def0 100%),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.5) 0 2px, transparent 2px 18px);
  background-blend-mode: overlay;
}
.map-bg::before,
.map-bg::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 4px;
}
.map-bg::before {
  top: 30%; left: 0; right: 0; height: 12px;
  transform: rotate(-8deg);
  box-shadow: 0 80px 0 -2px rgba(255, 255, 255, 0.7);
}
.map-bg::after {
  top: 0; bottom: 0; left: 40%; width: 10px;
  transform: rotate(6deg);
}
.map-pin {
  position: absolute;
  top: 38%; left: 50%;
  width: 22px; height: 22px;
  margin-left: -11px; margin-top: -11px;
  background: var(--primary);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 6px 14px rgba(25, 118, 210, 0.45);
  z-index: 2;
}
.map-pin::after {
  content: "";
  position: absolute;
  top: -8px; left: -8px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(25, 118, 210, 0.25);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(2); opacity: 0; }
}
.map-card {
  position: absolute;
  left: 16px; right: 16px; bottom: 20px;
  background: #fff;
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: 0 10px 24px rgba(20, 40, 80, 0.12);
  z-index: 2;
}
.map-card-title { font-weight: 700; color: var(--primary); font-size: 15px; }
.map-card-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 { font-size: 32px; margin: 0 0 10px; letter-spacing: -0.3px; }
.section-head p { color: var(--muted); font-size: 16px; margin: 0; }

/* ===== Features ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: all .2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(25, 118, 210, 0.2);
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  margin-bottom: 16px;
  position: relative;
}
.feature-icon::after {
  content: "";
  position: absolute;
  inset: 10px;
  background: #fff;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.icon-map::after    { -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M20.5 3l-.16.03L15 5.1 9 3 3.36 4.9c-.21.07-.36.25-.36.48V20.5c0 .28.22.5.5.5l.16-.03L9 18.9l6 2.1 5.64-1.9c.21-.07.36-.25.36-.48V3.5c0-.28-.22-.5-.5-.5zM10 5.47l4 1.4v11.66l-4-1.4V5.47zm-5 .99l3-1.01v11.7l-3 1.16V6.46zm14 11.08l-3 1.01V6.86l3-1.16v11.84z'/></svg>"); mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M20.5 3l-.16.03L15 5.1 9 3 3.36 4.9c-.21.07-.36.25-.36.48V20.5c0 .28.22.5.5.5l.16-.03L9 18.9l6 2.1 5.64-1.9c.21-.07.36-.25.36-.48V3.5c0-.28-.22-.5-.5-.5zM10 5.47l4 1.4v11.66l-4-1.4V5.47zm-5 .99l3-1.01v11.7l-3 1.16V6.46zm14 11.08l-3 1.01V6.86l3-1.16v11.84z'/></svg>"); }
.icon-locate::after { -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12 8c-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4zm8.94 3A8.994 8.994 0 0013 3.06V1h-2v2.06A8.994 8.994 0 003.06 11H1v2h2.06A8.994 8.994 0 0011 20.94V23h2v-2.06A8.994 8.994 0 0020.94 13H23v-2h-2.06zM12 19c-3.87 0-7-3.13-7-7s3.13-7 7-7 7 3.13 7 7-3.13 7-7 7z'/></svg>"); mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12 8c-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4zm8.94 3A8.994 8.994 0 0013 3.06V1h-2v2.06A8.994 8.994 0 003.06 11H1v2h2.06A8.994 8.994 0 0011 20.94V23h2v-2.06A8.994 8.994 0 0020.94 13H23v-2h-2.06zM12 19c-3.87 0-7-3.13-7-7s3.13-7 7-7 7 3.13 7 7-3.13 7-7 7z'/></svg>"); }
.icon-route::after  { -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M19 15.18V7c0-2.21-1.79-4-4-4s-4 1.79-4 4v10c0 1.1-.9 2-2 2s-2-.9-2-2V8.82C8.16 8.4 9 7.3 9 6c0-1.66-1.34-3-3-3S3 4.34 3 6c0 1.3.84 2.4 2 2.82V17c0 2.21 1.79 4 4 4s4-1.79 4-4V7c0-1.1.9-2 2-2s2 .9 2 2v8.18c-1.16.42-2 1.52-2 2.82 0 1.66 1.34 3 3 3s3-1.34 3-3c0-1.3-.84-2.4-2-2.82z'/></svg>"); mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M19 15.18V7c0-2.21-1.79-4-4-4s-4 1.79-4 4v10c0 1.1-.9 2-2 2s-2-.9-2-2V8.82C8.16 8.4 9 7.3 9 6c0-1.66-1.34-3-3-3S3 4.34 3 6c0 1.3.84 2.4 2 2.82V17c0 2.21 1.79 4 4 4s4-1.79 4-4V7c0-1.1.9-2 2-2s2 .9 2 2v8.18c-1.16.42-2 1.52-2 2.82 0 1.66 1.34 3 3 3s3-1.34 3-3c0-1.3-.84-2.4-2-2.82z'/></svg>"); }
.icon-voice::after  { -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12 14c1.66 0 3-1.34 3-3V5c0-1.66-1.34-3-3-3S9 3.34 9 5v6c0 1.66 1.34 3 3 3zm5.91-3c-.49 0-.9.36-.98.85C16.52 14.2 14.47 16 12 16s-4.52-1.8-4.93-4.15c-.08-.49-.49-.85-.98-.85-.61 0-1.09.54-1 1.14.49 3 2.89 5.35 5.91 5.78V20c0 .55.45 1 1 1s1-.45 1-1v-2.08c3.02-.43 5.42-2.78 5.91-5.78.1-.6-.39-1.14-1-1.14z'/></svg>"); mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12 14c1.66 0 3-1.34 3-3V5c0-1.66-1.34-3-3-3S9 3.34 9 5v6c0 1.66 1.34 3 3 3zm5.91-3c-.49 0-.9.36-.98.85C16.52 14.2 14.47 16 12 16s-4.52-1.8-4.93-4.15c-.08-.49-.49-.85-.98-.85-.61 0-1.09.54-1 1.14.49 3 2.89 5.35 5.91 5.78V20c0 .55.45 1 1 1s1-.45 1-1v-2.08c3.02-.43 5.42-2.78 5.91-5.78.1-.6-.39-1.14-1-1.14z'/></svg>"); }
.icon-lang::after   { -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12.87 15.07l-2.54-2.51.03-.03c1.74-1.94 2.98-4.17 3.71-6.53H17V4h-7V2H8v2H1v1.99h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11.76-2.04zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2l-4.5-12zm-2.62 7l1.62-4.33L19.12 17h-3.24z'/></svg>"); mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12.87 15.07l-2.54-2.51.03-.03c1.74-1.94 2.98-4.17 3.71-6.53H17V4h-7V2H8v2H1v1.99h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11.76-2.04zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2l-4.5-12zm-2.62 7l1.62-4.33L19.12 17h-3.24z'/></svg>"); }
.icon-fav::after    { -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z'/></svg>"); mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z'/></svg>"); }
.icon-bus::after    { -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M4 16c0 .88.39 1.67 1 2.22V20c0 .55.45 1 1 1h1c.55 0 1-.45 1-1v-1h8v1c0 .55.45 1 1 1h1c.55 0 1-.45 1-1v-1.78c.61-.55 1-1.34 1-2.22V6c0-3.5-3.58-4-8-4s-8 .5-8 4v10zm3.5 1c-.83 0-1.5-.67-1.5-1.5S6.67 14 7.5 14s1.5.67 1.5 1.5S8.33 17 7.5 17zm9 0c-.83 0-1.5-.67-1.5-1.5s.67-1.5 1.5-1.5 1.5.67 1.5 1.5-.67 1.5-1.5 1.5zm1.5-6H6V6h12v5z'/></svg>"); mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M4 16c0 .88.39 1.67 1 2.22V20c0 .55.45 1 1 1h1c.55 0 1-.45 1-1v-1h8v1c0 .55.45 1 1 1h1c.55 0 1-.45 1-1v-1.78c.61-.55 1-1.34 1-2.22V6c0-3.5-3.58-4-8-4s-8 .5-8 4v10zm3.5 1c-.83 0-1.5-.67-1.5-1.5S6.67 14 7.5 14s1.5.67 1.5 1.5S8.33 17 7.5 17zm9 0c-.83 0-1.5-.67-1.5-1.5s.67-1.5 1.5-1.5 1.5.67 1.5 1.5-.67 1.5-1.5 1.5zm1.5-6H6V6h12v5z'/></svg>"); }
.icon-team::after   { -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5c-1.66 0-3 1.34-3 3s1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5C6.34 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5c0-2.33-4.67-3.5-7-3.5zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z'/></svg>"); mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5c-1.66 0-3 1.34-3 3s1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5C6.34 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5c0-2.33-4.67-3.5-7-3.5zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z'/></svg>"); }

.feature-card h3 { margin: 0 0 8px; font-size: 17px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }

/* ===== Screens ===== */
.screens {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.screen-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  transition: transform .2s ease;
}
.screen-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.screen-img {
  width: auto;
  height: 420px;
  max-width: 100%;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  padding: 16px;
}
.screen-title { padding: 16px; font-weight: 600; color: var(--text); }

/* ===== Download Section ===== */
.download-section {
  background: linear-gradient(135deg, #f0f6fd, #e6f0fa);
}
.download-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.download-grid h2 { font-size: 32px; margin: 0 0 16px; }
.download-list { padding-left: 22px; color: var(--muted); margin: 0 0 24px; }
.download-list li { margin-bottom: 8px; }
.download-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.download-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.qr-box { text-align: center; }
.qr-img {
  width: 200px; height: 200px; margin: 0 auto 14px;
  background:
    linear-gradient(135deg, #1a2230 25%, transparent 25%) 0 0/12px 12px,
    linear-gradient(225deg, #1a2230 25%, transparent 25%) 0 0/12px 12px,
    linear-gradient(315deg, #1a2230 25%, transparent 25%) 0 0/12px 12px,
    linear-gradient(45deg, #1a2230 25%, transparent 25%) 0 0/12px 12px,
    #fff;
  border: 4px solid #fff;
  border-radius: 12px;
  box-shadow: 0 0 0 1px var(--border);
}
.qr-text { color: var(--muted); font-size: 14px; }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.about-grid h2 { font-size: 32px; margin: 0 0 16px; }
.about-grid p { color: var(--muted); margin: 0 0 12px; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.stat strong { display: block; font-size: 22px; color: var(--primary); margin-bottom: 4px; }
.stat span { color: var(--muted); font-size: 13px; }

/* ===== Footer ===== */
.site-footer {
  background: #0f1825;
  color: #c0cad8;
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}
.site-footer h4 { color: #fff; font-size: 15px; margin: 0 0 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; font-size: 14px; }
.site-footer a { color: #c0cad8; }
.site-footer a:hover { color: #fff; }
.site-footer .muted { color: #8593a6; }
.brand-footer .brand-name { color: #fff; }
.copyright {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  font-size: 13px;
  color: #8593a6;
}

/* ===== Page Hero (sub-pages) ===== */
.page-hero {
  padding: 64px 0 40px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { margin: 0 0 8px; font-size: 36px; }

/* ===== Doc Pages ===== */
.doc h2 {
  margin-top: 36px;
  font-size: 22px;
  color: var(--text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin-bottom: 6px; color: var(--text); }
.doc p { color: var(--text); }

/* ===== Download Page ===== */
.version-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 16px;
}
.version-tag {
  display: inline-block;
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 6px;
}
.release-notes { padding-left: 22px; color: var(--text); }
.release-notes li { margin-bottom: 6px; }
.install-steps { padding-left: 22px; }
.install-steps li { margin-bottom: 10px; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero { padding: 56px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 36px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .screens { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .version-card { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .section { padding: 56px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-cta { display: none; }
  .hero-meta { gap: 20px; }
}