/* Autonex — 黑色科技风样式 */

:root {
  --bg: #0a0c10;
  --text: #e6f1ff;
  --muted: #9fb3c8;
  --primary: #00e0ff;
  --primary-2: #00bcd4;
  --chip-bg: rgba(255, 255, 255, 0.06);
  --chip-border: rgba(255, 255, 255, 0.12);
  --overlay: rgba(0, 0, 0, 0.6);
  --border: rgba(255, 255, 255, 0.08);
  --vh: 100vh; /* 将由 JS 修正为移动端可用的高度 */
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Audiowide', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Microsoft Yahei", "Noto Sans CJK SC", "PingFang SC", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* 背景视频与遮罩 */
.bg-video {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100vw;
  min-height: var(--vh);
  width: auto;
  height: auto;
  object-fit: cover;
  z-index: -2;
  filter: saturate(1.1) contrast(1.1) brightness(0.6);
}

/* 视频失败时隐藏视频元素 */
body.no-video .bg-video {
  display: none;
}

.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 600px at 50% 20%, rgba(0, 224, 255, 0.15), transparent 60%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.85) 70%, #000 100%);
  backdrop-filter: blur(2px);
}

/* 站点头部 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background: transparent;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 28px;
  width: 28px;
  border-radius: 6px;
  box-shadow: none;
}
/* 头部 Logo 简洁样式，无边框无动效（保留以便日后扩展） */
.logo-wrap {}


.brand-name {
  font-weight: 700;
  letter-spacing: 0.3px;
  font-family: 'Audiowide', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.nav-actions .link {
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
  font-family: 'Audiowide', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  letter-spacing: 0.4px;
}

.nav-actions .link:hover {
  color: var(--text);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.04));
  box-shadow: 0 8px 24px rgba(0, 224, 255, 0.12) inset;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  transition: all 0.25s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-outline {
  background: transparent;
}

.btn-primary {
  border: 1px solid rgba(0, 224, 255, 0.6);
  background: linear-gradient(180deg, rgba(0, 224, 255, 0.18) 0%, rgba(0, 188, 212, 0.18) 100%);
  box-shadow: 0 8px 30px rgba(0, 224, 255, 0.18), inset 0 0 24px rgba(0, 224, 255, 0.22);
}

.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(0, 224, 255, 0.28), inset 0 0 32px rgba(0, 224, 255, 0.28);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
}

/* Hero */
.hero {
  min-height: var(--vh);
  display: grid;
  place-items: center;
  padding: 120px 20px 64px;
}

.hero-content {
  text-align: center;
  max-width: 1000px;
}

.hero-logo {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  box-shadow: 0 0 0 1px var(--border), 0 0 80px rgba(0, 224, 255, 0.25);
  margin-bottom: 18px;
}

.hero-title {
  margin: 0 0 12px;
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  letter-spacing: 0.5px;
  text-shadow: 0 1px 0 rgba(0,0,0,0.5), 0 10px 40px rgba(0, 224, 255, 0.15);
  font-family: 'Audiowide', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.hero-subtitle {
  margin: 0 auto;
  max-width: 860px;
  color: var(--muted);
  font-size: clamp(16px, 2.2vw, 22px);
  line-height: 1.65;
}

.hero-cta {
  margin-top: 26px;
  display: inline-flex;
  gap: 14px;
}

.hero-badges {
  margin-top: 22px;
  display: inline-flex;
  gap: 10px;
}

.chip {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  color: var(--muted);
  font-size: 12px;
}

/* 品牌 Logo 网格 */
.brand-logos {
  margin: 36px auto 0;
  max-width: 1060px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 22px 24px;
  align-items: stretch;
}

.brand-logos img {
  width: 100%;
  height: 70px;
  object-fit: contain;
  padding: 14px 18px;
  border-radius: 16px;
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 10px 30px rgba(0, 224, 255, 0.06);
  filter: grayscale(0.1) brightness(0.92) contrast(1.08);
  opacity: 0.95;
  transition: transform 0.25s ease, opacity 0.25s ease, filter 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.brand-logos img:hover {
  transform: translateY(-3px) scale(1.035);
  opacity: 1;
  filter: grayscale(0) brightness(1) contrast(1.05);
  border-color: rgba(0, 224, 255, 0.28);
  box-shadow:
    0 0 0 1px rgba(0, 224, 255, 0.25) inset,
    0 16px 44px rgba(0, 224, 255, 0.18),
    0 0 60px rgba(0, 224, 255, 0.15);
}

@media (max-width: 1200px) {
  .brand-logos { max-width: 960px; }
}

@media (max-width: 1024px) {
  .brand-logos { grid-template-columns: repeat(4, 1fr); gap: 18px 20px; }
  .brand-logos img { height: 64px; }
}

@media (max-width: 640px) {
  .brand-logos { grid-template-columns: repeat(3, 1fr); gap: 14px 16px; }
  .brand-logos img { height: 56px; border-radius: 14px; padding: 12px 14px; }
}

/* About Section */
.about {
  position: relative;
  padding: 80px 20px 120px;
}

.about-head { max-width: 1200px; margin: 0 auto 24px; }

.section-title {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.6vw, 42px);
  font-weight: 800;
  letter-spacing: 0.6px;
  text-shadow: 0 1px 0 rgba(0,0,0,0.5), 0 10px 40px rgba(0, 224, 255, 0.15);
  font-family: 'Audiowide', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

/* Steps */
.steps {
  max-width: 1200px;
  margin: 0 auto 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  inset: -40px 0 auto 0;
  height: 240px;
  background:
    radial-gradient(closest-side, rgba(255,255,255,0.06), transparent 70%) 20% 40%/420px 420px no-repeat,
    radial-gradient(closest-side, rgba(255,255,255,0.05), transparent 70%) 50% 40%/520px 520px no-repeat,
    radial-gradient(closest-side, rgba(255,255,255,0.04), transparent 70%) 80% 40%/620px 620px no-repeat;
  opacity: 0.35;
  pointer-events: none;
}

.step {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 10px;
}

.step-order {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.04));
  border: 1px solid var(--border);
  font-weight: 700;
}

.step-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(180deg, rgba(0,224,255,0.12), rgba(0,188,212,0.12));
  border: 1px solid rgba(255,255,255,0.12);
  display: grid; place-items: center;
  color: #9bdcff;
}

.step-title { font-size: 14px; color: var(--text); opacity: 0.9; }

/* Offers */
.offers {
  max-width: 1200px;
  margin: 18px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.offer-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #0b0d12;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.offer-head {
  padding: 18px 18px 0;
}

.offer-badge { color: #ff4d4f; font-size: 12px; letter-spacing: 0.6px; }
.offer-title { margin: 6px 0 6px; font-size: 28px; font-weight: 800; }
.offer-percent { font-size: 38px; }
.offer-sub { color: var(--muted); margin: 0 0 12px; font-size: 14px; }

.btn-dark {
  display: inline-flex; align-items: center; justify-content: center;
  height: 38px; padding: 0 14px; border-radius: 10px;
  background: #131720; color: var(--text); border: 1px solid var(--border);
}

.offer-img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  display: block;
  background: transparent; /* 不需要背景 */
}

/* 仅显示车头：将图片靠左并裁切右侧 */
.offer-headonly {
  object-position: left center;
  height: 200px;
  margin-top: 6px;
}

.type-discount .offer-badge { color: #ff4d4f; }
.type-luxury .offer-badge { color: #00e0ff; }
.type-armored .offer-badge { color: #8aff8a; }

@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
  .offers { grid-template-columns: 1fr; }
}

/* Types Section */
.types { padding: 28px 20px 60px; }
.types-head { text-align: center; max-width: 1200px; margin: 0 auto 10px; }
.types-badge { display: inline-block; padding: 4px 8px; border-radius: 999px; font-size: 11px; color: #ff6b6b; background: rgba(255,255,255,0.04); border: 1px solid var(--border); margin-bottom: 6px; }
.types .section-title { font-size: clamp(22px, 3.6vw, 30px); margin: 0; }

.types-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  align-items: end;
}

.type-item { text-align: center; }
.type-item img { width: 100%; height: 62px; object-fit: contain; object-position: center; display: block; filter: drop-shadow(0 6px 16px rgba(0,0,0,0.3)); }
.type-name { margin-top: 8px; color: var(--text); opacity: 0.85; font-size: 13px; }

@media (max-width: 1024px) {
  .types-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .type-item img { height: 54px; }
}
@media (max-width: 640px) {
  .types-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .type-item img { height: 46px; }
}

/* Cars Section */
.cars { padding: 40px 20px 100px; }
.cars-head { max-width: 1200px; margin: 0 auto 16px; }
.cars-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.car-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #0b0d12;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.car-card:hover { transform: translateY(-3px); border-color: rgba(0,224,255,0.25); box-shadow: 0 16px 44px rgba(0, 224, 255, 0.12); }

.car-media img { width: 100%; height: 180px; object-fit: cover; display: block; }
.car-body { padding: 14px; }
.car-title { font-weight: 700; margin-bottom: 8px; }
.car-meta { display: flex; gap: 10px; color: var(--muted); font-size: 12px; margin-bottom: 8px; align-items: center; flex-wrap: wrap; }
.car-meta .tag { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: 999px; border: 1px solid var(--border); background: rgba(255,255,255,0.03); color: #9bdcff; font-size: 11px; margin-right: 4px; }
.car-meta em { font-style: normal; color: var(--text); opacity: 0.95; margin-right: 10px; }
.car-spec { margin: 0 0 10px 0; color: var(--text); opacity: 0.95; font-size: 12px; list-style: none; padding: 0; }
.car-spec li { margin: 6px 0; display: flex; align-items: center; gap: 8px; }
.car-spec .tag { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: 999px; border: 1px solid var(--border); background: rgba(255,255,255,0.03); color: #9bdcff; font-size: 11px; }
.car-spec em { font-style: normal; color: var(--text); }
.btn.small { height: 34px; padding: 0 12px; border-radius: 8px; }

.btn.btn-accent {
  border: 1px solid rgba(0, 224, 255, 0.5);
  background: linear-gradient(180deg, rgba(0, 224, 255, 0.18), rgba(0, 188, 212, 0.18));
  color: var(--text);
  box-shadow: 0 8px 30px rgba(0, 224, 255, 0.18), inset 0 0 24px rgba(0, 224, 255, 0.22);
}
.btn.btn-accent:hover { box-shadow: 0 12px 40px rgba(0, 224, 255, 0.28), inset 0 0 32px rgba(0, 224, 255, 0.28); transform: translateY(-1px); }

.btn.btn-disabled {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: #98a2b3;
  cursor: not-allowed;
  box-shadow: none;
}
.btn.btn-disabled:hover { transform: none; }

.car-price { position: absolute; top: 10px; right: 10px; background: #111924; color: #00e0ff; padding: 6px 10px; border-radius: 999px; font-weight: 800; border: 1px solid rgba(0,224,255,0.45); box-shadow: 0 6px 20px rgba(0, 224, 255, 0.2); }
.car-price em { font-style: normal; font-weight: 700; opacity: 1; margin-left: 4px; color: #9bdcff; }

@media (max-width: 1024px) {
  .cars-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .cars-grid { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
  .about-inner { grid-template-columns: 1fr; }
  .about-gallery {
    grid-template-areas:
      "large"
      "medium"
      "small";
    grid-template-columns: 1fr;
  }
}

/* 无视频回退时，使用更深的渐变背景以保证可读性 */
body.no-video .bg-overlay {
  background:
    radial-gradient(1400px 700px at 50% 20%, rgba(0, 224, 255, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0.95) 70%, #000 100%);
}

/* About RWA Rentalization */
.about-rwa { padding: 80px 20px 120px; position: relative; }
.about-rwa::before { content: ""; position: absolute; inset: 0; background: radial-gradient(900px 400px at 10% 10%, rgba(0,224,255,0.12), transparent 60%), radial-gradient(900px 400px at 90% 20%, rgba(0,188,212,0.12), transparent 60%); opacity: 0.5; pointer-events: none; }
.about-rwa-inner { max-width: 1200px; margin: 0 auto; }
.about-rwa-inner.two-col { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: center; }
.about-rwa-head { text-align: center; max-width: 900px; margin: 0 auto 24px; }
.about-rwa-copy .about-rwa-head { text-align: left; margin: 0 0 14px; }
.about-rwa-cta { margin-top: 12px; }
.about-rwa-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1200px; margin: 0 auto; }
.rwa-point { border: 1px solid var(--border); border-radius: 14px; background: #0b0d12; padding: 18px; box-shadow: 0 8px 24px rgba(0,0,0,0.35); }
.rwa-title { margin: 0 0 8px; font-weight: 800; }
.rwa-text { margin: 0; color: var(--muted); line-height: 1.7; }
.about-rwa-media img { width: 100%; height: auto; display: block; border-radius: 16px; border: 1px solid var(--border); box-shadow: 0 12px 40px rgba(0,0,0,0.35); }
.about-rwa-kpis { display: grid; grid-template-columns: repeat(3, auto); gap: 16px; margin-top: 10px; }
.about-rwa-kpis .kpi { display: grid; gap: 2px; }
.about-rwa-kpis strong { font-size: 20px; }
.about-rwa-kpis span { color: var(--muted); font-size: 12px; }

@media (max-width: 1024px) {
  .about-rwa-grid { grid-template-columns: 1fr; }
  .about-rwa-inner.two-col { grid-template-columns: 1fr; }
  .about-rwa-copy .about-rwa-head { text-align: center; }
}

/* Core Technologies */
.tech { padding: 80px 20px 120px; }
.tech-inner { max-width: 1200px; margin: 0 auto; }
.tech-head { text-align: center; max-width: 820px; margin: 0 auto 18px; }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tech-card { border: 1px solid var(--border); border-radius: 14px; background: #0b0d12; padding: 18px; box-shadow: 0 8px 24px rgba(0,0,0,0.35); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.tech-card:hover { transform: translateY(-3px); border-color: rgba(0,224,255,0.25); box-shadow: 0 16px 44px rgba(0,224,255,0.12); }
.tech-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: #9bdcff; background: linear-gradient(180deg, rgba(0,224,255,0.12), rgba(0,188,212,0.12)); border: 1px solid rgba(255,255,255,0.12); margin-bottom: 10px; }
.tech-title { margin: 0 0 6px; font-weight: 800; }
.tech-text { margin: 0; color: var(--muted); line-height: 1.7; }

@media (max-width: 1024px) { .tech-grid { grid-template-columns: 1fr; } }

/* Contact */
.contact { padding: 80px 20px 120px; }
.contact-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.contact-primary { margin-top: 12px; margin-bottom: 10px; }
.contact-actions { margin-top: 4px; display: inline-flex; gap: 12px; }
.contact-btn { display: inline-flex; align-items: center; gap: 8px; }
.contact-btn .icon { display: inline-flex; }
.contact-btn.tg { border-color: rgba(0, 224, 255, 0.35); }
.contact-btn.tw { border-color: rgba(29, 155, 240, 0.35); }
.contact-btn.tg:hover { box-shadow: 0 12px 40px rgba(0, 224, 255, 0.18) inset; }
.contact-btn.tw:hover { box-shadow: 0 12px 40px rgba(29, 155, 240, 0.18) inset; }

/* Footer */
.site-footer { padding: 18px 20px 40px; border-top: 1px solid var(--border); background: rgba(0,0,0,0.2); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
@media (max-width: 640px) { .footer-inner { flex-direction: column; } }

/* 可访问性：减少动画时降低动效 */
@media (prefers-reduced-motion: reduce) {
  .btn:hover {
    transform: none;
  }
  .bg-overlay {
    backdrop-filter: none;
  }
}

/* 响应式适配 */
@media (max-width: 640px) {
  .brand-name { display: none; }
  .nav-actions .link { display: none; }
}