/* xlapp.autos — 杏吧小蓝品牌官网主题 */
:root {
  --xa-ocean: #062a52;
  --xa-deep: #0b3d6e;
  --xa-cyan: #18c8f0;
  --xa-mint: #3ee8c4;
  --xa-coral: #ff6f4a;
  --xa-gold: #ffc14a;
  --xa-violet: #7b5cff;
  --xa-snow: #f4f9ff;
  --xa-glass: rgba(255, 255, 255, 0.12);
  --xa-glass-strong: rgba(255, 255, 255, 0.2);
  --xa-text: #e8f2ff;
  --xa-muted: #9bb8d4;
  --xa-shadow: 0 18px 48px rgba(2, 18, 40, 0.45);
  --xa-radius: 18px;
  --xa-head-real: 64px;
  --xa-font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--xa-font);
  background: linear-gradient(165deg, #041a33 0%, var(--xa-ocean) 35%, #0a4a7a 70%, #063558 100%);
  color: var(--xa-text);
  line-height: 1.78;
  min-height: 100vh;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

a { color: var(--xa-cyan); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--xa-mint); }

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

.xa-skip {
  position: absolute; left: -9999px; top: 0; z-index: 9999;
  background: var(--xa-coral); color: #fff; padding: 8px 16px;
}
.xa-skip:focus { left: 8px; top: 8px; }

/* ===== 顶栏 ===== */
.xa-header-wrap {
  position: sticky; top: 0; z-index: 1000;
}

.xa-top-shell {
  background: rgba(6, 30, 58, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.xa-topbar {
  padding-top: env(safe-area-inset-top, 0px);
}

.xa-topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto; padding: 12px 18px;
}

.xa-brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; font-weight: 700; font-size: 1.05rem;
}
.xa-brand img {
  width: 38px; height: 38px; border-radius: 10px;
  box-shadow: 0 4px 14px rgba(24, 200, 240, 0.35);
}

.xa-hamburger {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer; padding: 8px;
  z-index: 3001; position: relative; flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.xa-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--xa-cyan); border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.xa-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.xa-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.xa-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.xa-nav-drawer {
  position: fixed;
  z-index: 3000;
  top: 0; left: 0;
  width: 100%; height: 100dvh;
  padding: calc(var(--xa-head-real, 64px) + 28px) 24px 28px;
  box-sizing: border-box;
  background: rgba(4, 20, 40, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transform: translateY(-100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; flex-direction: column; gap: 4px;
  pointer-events: none;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.xa-nav-drawer.is-open {
  transform: translateY(0);
  pointer-events: auto;
}
.xa-nav-drawer a {
  display: block; padding: 14px 16px; color: var(--xa-text);
  font-size: 1.05rem; border-radius: 12px;
  border-left: 3px solid transparent;
}
.xa-nav-drawer a:hover,
.xa-nav-drawer a.is-active {
  background: var(--xa-glass);
  border-left-color: var(--xa-cyan);
  color: #fff;
}

@media (min-width: 900px) {
  .xa-hamburger { display: none; }
  .xa-header-wrap {
    display: flex; align-items: center;
    max-width: 1180px; margin: 0 auto;
    padding-right: 18px;
    background: rgba(6, 30, 58, 0.88);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .xa-top-shell { flex: 1; background: none; border: none; }
  .xa-topbar { padding-top: 0; }
  .xa-topbar-inner { padding-right: 0; }
  .xa-nav-drawer {
    position: static;
    width: auto; height: auto;
    transform: none; pointer-events: auto;
    background: none; backdrop-filter: none;
    flex-direction: row; padding: 0; gap: 6px;
    overflow: visible; flex-shrink: 0;
  }
  .xa-nav-drawer a { padding: 8px 14px; font-size: 0.92rem; border-left: none; }
}

/* ===== 推广区 ===== */
.xa-promo-wrap {
  max-width: 1180px; margin: 0 auto; padding: 14px 18px 0;
}
.xa-promo-sentinel {
  width: 100%; height: 1px;
  pointer-events: none; visibility: hidden;
}
.xa-promo-slot {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 10px 6px;
}
.xa-promo-slot .xa-ad-item,
.xa-float-inner .xa-ad-item {
  display: flex; flex-direction: column; align-items: center;
  width: calc(20% - 6px);
}
.xa-promo-slot .xa-ad-item img,
.xa-float-inner .xa-ad-item img {
  width: 58px; height: 58px; border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
  transition: transform 0.18s;
}
.xa-promo-slot .xa-ad-item img:hover,
.xa-float-inner .xa-ad-item img:hover { transform: scale(1.06); }
.xa-ad-caption {
  font-size: 10px; color: var(--xa-muted); margin-top: 4px;
  max-width: 64px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

@media (max-width: 899px) {
  .xa-promo-slot .xa-ad-item,
  .xa-float-inner .xa-ad-item {
    width: calc(20% - 4px);
    max-width: 72px;
  }
}

@media (min-width: 900px) {
  .xa-promo-slot .xa-ad-item,
  .xa-float-inner .xa-ad-item { width: calc(12.5% - 8px); }
  .xa-promo-slot .xa-ad-item img,
  .xa-float-inner .xa-ad-item img { width: 64px; height: 64px; }
}

/* ===== 固定下载条 ===== */
.xa-float-dl {
  position: fixed; left: 0; right: 0;
  top: var(--xa-head-real, 64px); z-index: 950;
  background: rgba(8, 36, 68, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(24, 200, 240, 0.15);
  padding: 8px 12px 10px;
  padding-left: max(12px, env(safe-area-inset-left, 0px));
  padding-right: max(12px, env(safe-area-inset-right, 0px));
  transform: translateY(-110%);
  opacity: 0; visibility: hidden;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease, visibility 0.28s;
}
.xa-float-dl.is-show {
  transform: translateY(0);
  opacity: 1; visibility: visible;
  pointer-events: auto;
}
body.menu-open .xa-float-dl {
  transform: translateY(-110%);
  opacity: 0; visibility: hidden;
  pointer-events: none;
}
body.xa-float-active .xa-main,
body.xa-float-active main.xa-main {
  padding-top: var(--xa-float-h, 0px);
}
.xa-float-inner {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 8px 4px; max-width: 1180px; margin: 0 auto;
}

/* ===== 主内容 ===== */
.xa-main { max-width: 1180px; margin: 0 auto; padding: 0 18px 60px; }

.xa-breadcrumb {
  padding: 16px 0 8px; font-size: 0.85rem; color: var(--xa-muted);
}
.xa-breadcrumb a { color: var(--xa-muted); }
.xa-breadcrumb a:hover { color: var(--xa-cyan); }
.xa-breadcrumb span { color: var(--xa-text); }

/* ===== Hero ===== */
.xa-hero {
  position: relative; padding: 36px 0 48px;
  display: grid; gap: 28px; align-items: center;
}
@media (min-width: 768px) {
  .xa-hero { grid-template-columns: 1.1fr 0.9fr; padding: 52px 0 64px; }
}

.xa-hero-glow {
  position: absolute; width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(24, 200, 240, 0.25), transparent 70%);
  top: -60px; right: -40px; pointer-events: none;
  animation: xa-pulse 6s ease-in-out infinite;
}
@keyframes xa-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

.xa-hero-tag {
  display: inline-block; padding: 5px 14px;
  background: linear-gradient(90deg, rgba(24, 200, 240, 0.2), rgba(123, 92, 255, 0.2));
  border: 1px solid rgba(24, 200, 240, 0.35);
  border-radius: 999px; font-size: 0.78rem; color: var(--xa-mint);
  margin-bottom: 14px; letter-spacing: 0.04em;
}

.xa-hero h1 {
  font-size: clamp(1.55rem, 5vw, 2.35rem);
  line-height: 1.35; font-weight: 800;
  background: linear-gradient(120deg, #fff 30%, var(--xa-cyan) 70%, var(--xa-gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 16px;
}

.xa-hero-lead { color: var(--xa-muted); font-size: 0.95rem; max-width: 540px; }

.xa-hero-visual {
  position: relative; border-radius: 24px; overflow: hidden;
  box-shadow: var(--xa-shadow);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.xa-hero-visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(6, 30, 58, 0.5));
  pointer-events: none;
}

/* ===== 模块 ===== */
.xa-section { padding: 40px 0; }
.xa-section-head { margin-bottom: 28px; }
.xa-section-head h2 {
  font-size: clamp(1.25rem, 3.5vw, 1.65rem);
  color: #fff; margin-bottom: 8px;
  padding-left: 14px;
  border-left: 4px solid var(--xa-coral);
}
.xa-section-head p { color: var(--xa-muted); font-size: 0.9rem; padding-left: 18px; }

.xa-prose { color: var(--xa-text); font-size: 0.94rem; }
.xa-prose p { margin-bottom: 1.1em; text-align: justify; }
.xa-prose h3 {
  font-size: 1.08rem; color: #fff; margin: 1.6em 0 0.7em;
  padding-bottom: 6px;
  border-bottom: 1px dashed rgba(24, 200, 240, 0.25);
}

.xa-grid-2 {
  display: grid; gap: 22px;
}
@media (min-width: 700px) { .xa-grid-2 { grid-template-columns: 1fr 1fr; } }

.xa-grid-3 {
  display: grid; gap: 18px;
}
@media (min-width: 600px) { .xa-grid-3 { grid-template-columns: repeat(3, 1fr); } }

.xa-card {
  background: var(--xa-glass);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--xa-radius);
  padding: 22px 20px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.xa-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
}

.xa-card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 12px;
  background: linear-gradient(135deg, var(--xa-cyan), var(--xa-violet));
}

.xa-card h3 { font-size: 1rem; color: #fff; margin-bottom: 8px; border: none; padding: 0; }
.xa-card p { font-size: 0.88rem; color: var(--xa-muted); margin: 0; }

.xa-media-row {
  display: grid; gap: 24px; align-items: center;
  margin: 28px 0;
}
@media (min-width: 768px) {
  .xa-media-row { grid-template-columns: 1fr 1fr; }
  .xa-media-row.xa-reverse .xa-media-img { order: 2; }
  .xa-media-row.xa-reverse .xa-media-text { order: 1; }
}

.xa-media-img {
  border-radius: var(--xa-radius); overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--xa-shadow);
}

.xa-media-text h3 { font-size: 1.1rem; color: #fff; margin-bottom: 10px; }
.xa-media-text p { font-size: 0.9rem; color: var(--xa-muted); margin-bottom: 10px; }

.xa-cta-band {
  margin: 40px 0; padding: 32px 24px; text-align: center;
  background: linear-gradient(135deg, rgba(24, 200, 240, 0.15), rgba(123, 92, 255, 0.12));
  border-radius: 20px;
  border: 1px solid rgba(24, 200, 240, 0.2);
}
.xa-cta-band h2 { font-size: 1.2rem; color: #fff; margin-bottom: 10px; }
.xa-cta-band p { color: var(--xa-muted); font-size: 0.9rem; margin-bottom: 18px; }

.xa-btn-dl {
  display: inline-block; padding: 13px 36px;
  background: linear-gradient(135deg, var(--xa-coral), #ff9a3c);
  color: #fff; font-weight: 700; font-size: 0.95rem;
  border-radius: 999px; border: none; cursor: pointer;
  box-shadow: 0 8px 24px rgba(255, 111, 74, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}
.xa-btn-dl:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 111, 74, 0.5);
  color: #fff;
}

.xa-faq-item {
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.xa-faq-item h3 { font-size: 0.98rem; color: var(--xa-mint); margin-bottom: 6px; border: none; padding: 0; }
.xa-faq-item p { font-size: 0.88rem; color: var(--xa-muted); margin: 0; }

/* ===== 子页面 ===== */
.xa-legal-wrap {
  background: var(--xa-glass);
  backdrop-filter: blur(10px);
  border-radius: var(--xa-radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 28px 22px; margin-top: 12px;
}
.xa-legal-wrap h1 {
  font-size: 1.5rem; color: #fff; margin-bottom: 18px;
}
.xa-legal-wrap h2 {
  font-size: 1.1rem; color: var(--xa-mint); margin: 1.8em 0 0.6em;
}
.xa-legal-wrap p, .xa-legal-wrap li {
  font-size: 0.9rem; color: var(--xa-muted); margin-bottom: 0.8em;
}
.xa-legal-wrap ul { padding-left: 1.4em; margin-bottom: 1em; }

.xa-error-page {
  text-align: center; padding: 60px 20px 80px;
}
.xa-error-code {
  font-size: 5rem; font-weight: 900;
  background: linear-gradient(135deg, var(--xa-cyan), var(--xa-violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1;
}
.xa-error-page h1 { font-size: 1.3rem; color: #fff; margin: 16px 0 10px; }
.xa-error-page p { color: var(--xa-muted); margin-bottom: 24px; }

/* ===== 页脚 ===== */
.xa-footer {
  background: rgba(4, 16, 32, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 32px 18px 28px;
}
.xa-footer-inner {
  max-width: 1180px; margin: 0 auto; text-align: center;
}
.xa-footer-nav {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 8px 20px; margin-bottom: 16px;
}
.xa-footer-nav a {
  color: var(--xa-muted); font-size: 0.88rem;
}
.xa-footer-nav a:hover { color: var(--xa-cyan); }
.xa-footer-copy {
  font-size: 0.78rem; color: rgba(155, 184, 212, 0.6);
}