/* XXX钱包响应式安全文档中心官网 */
:root {
  --primary: rgb(70,139,223);
  --primary-dark: rgb(44,102,178);
  --primary-soft: rgb(232,243,255);
  --ink: #172033;
  --muted: #66758a;
  --line: #dce7f4;
  --bg: #f7fbff;
  --card: #ffffff;
  --deep: #0e2948;
  --radius: 18px;
  --shadow: 0 16px 36px rgba(29, 75, 130, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 42%, #ffffff 100%);
  line-height: 1.72;
  overflow-x: hidden;
}
a { color: var(--primary-dark); text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(220,231,244,.9);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand, .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--deep);
  letter-spacing: .02em;
}
.logo-img { width: 38px; height: 38px; border-radius: 12px; }
.nav-toggle {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--deep);
  border-radius: 12px;
  padding: 8px 12px;
  font-weight: 700;
}
.site-nav {
  position: absolute;
  left: 16px;
  right: 16px;
  top: 72px;
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.site-nav.open { display: flex; }
.site-nav a {
  color: #35445a;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 650;
}
.site-nav a.active, .site-nav a:hover { background: var(--primary-soft); color: var(--primary-dark); }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 52px 0; }
.section-title { margin: 0 0 14px; font-size: clamp(26px, 4vw, 40px); line-height: 1.25; color: var(--deep); }
.section-lead { margin: 0 0 28px; color: var(--muted); max-width: 760px; }
.docs-hero {
  width: min(1160px, calc(100% - 32px));
  margin: 26px auto 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 28px 0 18px;
}
.hero-copy {
  padding: 28px;
  border-radius: 26px;
  background: linear-gradient(135deg, #fff 0%, #f0f7ff 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.hero-copy .eyebrow, .doc-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 750;
}
.hero-copy h1, .page-hero h1, .doc-title h1 {
  margin: 0;
  color: var(--deep);
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.08;
  letter-spacing: -.04em;
}
.hero-copy p { color: #526277; margin: 18px 0 24px; font-size: 17px; }
.security-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.security-tags span {
  display: inline-flex;
  padding: 7px 11px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: #44546b;
  font-size: 13px;
  font-weight: 650;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 24px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 26px rgba(70,139,223,.22);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.download-btn:hover { color: #fff; background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 16px 30px rgba(70,139,223,.28); }
.hero-visual {
  display: grid;
  gap: 16px;
  padding: 22px;
  border-radius: 26px;
  background: linear-gradient(160deg, #eaf5ff 0%, #ffffff 62%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.app-showcase {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background: radial-gradient(circle at top, rgba(70,139,223,.18), rgba(255,255,255,.72) 54%);
}
.app-showcase img { width: min(300px, 76vw); filter: drop-shadow(0 24px 35px rgba(26, 62, 110, .17)); }
.security-stack { display: grid; gap: 12px; }
.security-panel, .info-box, .notice-box, .doc-card, .category-card, .faq-item, .risk-item, .step-item, .principle-item, .feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(29,75,130,.055);
}
.security-panel { padding: 16px; }
.security-panel strong { display: block; color: var(--deep); margin-bottom: 3px; }
.security-panel p { margin: 0; color: var(--muted); font-size: 14px; }
.safety-strip {
  width: min(1160px, calc(100% - 32px));
  margin: 22px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border: 1px solid #cfe2f8;
  border-radius: 20px;
  background: linear-gradient(90deg, #eef7ff, #ffffff);
  color: #33506e;
}
.safety-strip span { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; font-size: 14px; }
.safety-strip span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.docs-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}
.docs-sidebar {
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 14px;
  box-shadow: 0 10px 28px rgba(29,75,130,.05);
}
.docs-sidebar h2, .side-panel h2 { margin: 4px 8px 12px; color: var(--deep); font-size: 16px; }
.docs-sidebar nav { display: grid; grid-template-columns: 1fr; gap: 6px; }
.docs-sidebar a {
  padding: 9px 10px;
  border-radius: 12px;
  color: #47566b;
  font-size: 14px;
  font-weight: 650;
}
.docs-sidebar a:hover { background: var(--primary-soft); }
.docs-content { display: grid; gap: 28px; min-width: 0; }
.doc-section {
  scroll-margin-top: 90px;
  padding: 22px;
  border-radius: 22px;
  background: rgba(255,255,255,.86);
  border: 1px solid var(--line);
}
.doc-section h2 { margin: 0 0 12px; color: var(--deep); font-size: clamp(22px, 3vw, 31px); }
.doc-section h3 { color: var(--deep); margin: 16px 0 8px; }
.doc-section p { margin: 0 0 12px; color: #4f6075; }
.docs-steps { display: grid; gap: 12px; counter-reset: step; }
.step-item {
  position: relative;
  padding: 18px 18px 18px 70px;
}
.step-number {
  position: absolute;
  left: 18px;
  top: 18px;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 850;
}
.step-item h3, .risk-item h3, .category-card h3, .doc-card h3, .feature-card h3, .principle-item h3 { margin: 0 0 6px; color: var(--deep); }
.step-item p, .risk-item p, .category-card p, .doc-card p, .feature-card p, .principle-item p { margin: 0 0 10px; color: var(--muted); font-size: 15px; }
.text-link { font-weight: 800; }
.docs-category-grid, .risk-grid, .feature-grid, .cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.category-card, .doc-card, .risk-item, .feature-card { padding: 18px; }
.category-card { background: linear-gradient(180deg, #fff, #f7fbff); }
.info-box, .notice-box {
  padding: 16px 18px;
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
  box-shadow: none;
}
.info-box strong, .notice-box strong { color: var(--deep); }
.principle-list { display: grid; gap: 12px; }
.principle-item { padding: 18px; display: grid; gap: 10px; }
.principle-index {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--primary);
  font-weight: 850;
}
.risk-item .risk-name { display: inline-flex; margin-bottom: 8px; padding: 5px 9px; border-radius: 999px; background: #fff4e8; color: #8a4f10; font-size: 12px; font-weight: 800; }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 18px; }
.faq-item h3 { margin: 0 0 8px; color: var(--deep); font-size: 17px; }
.faq-item p { margin: 0; color: var(--muted); }
.cta-section {
  width: min(960px, calc(100% - 32px));
  margin: 28px auto 70px;
  text-align: center;
  padding: 34px 20px;
  border-radius: 26px;
  background: linear-gradient(135deg, #eef7ff, #ffffff);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.cta-section h2 { margin: 0 0 10px; color: var(--deep); font-size: clamp(24px, 4vw, 36px); }
.cta-section p { margin: 0 auto 22px; color: var(--muted); max-width: 700px; }
.page-hero {
  width: min(960px, calc(100% - 32px));
  margin: 28px auto 0;
  padding: 30px;
  border-radius: 26px;
  background: linear-gradient(135deg, #fff, #eef7ff);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.page-hero p { color: var(--muted); max-width: 760px; }
.doc-shell {
  width: min(1100px, calc(100% - 32px));
  margin: 28px auto 70px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.doc-main {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.doc-title h1 { font-size: clamp(30px, 5vw, 44px); }
.doc-summary { color: var(--muted); font-size: 17px; }
.doc-body { display: grid; gap: 20px; }
.doc-body h2 { color: var(--deep); margin: 0 0 8px; }
.doc-body p { color: #526277; margin: 0 0 10px; }
.check-list, .plain-list { margin: 0; padding-left: 20px; color: #526277; }
.check-list li, .plain-list li { margin: 8px 0; }
.side-panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px;
  background: linear-gradient(180deg, #fff, #f6fbff);
  box-shadow: 0 10px 28px rgba(29,75,130,.045);
}
.side-panel a { display: block; padding: 10px; border-radius: 12px; color: #40536b; font-weight: 650; }
.side-panel a:hover { background: var(--primary-soft); }
.download-center { display: grid; gap: 22px; align-items: start; }
.download-box { padding: 22px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.download-box .download-btn { margin-top: 8px; }
.install-steps { display: grid; gap: 12px; margin-top: 18px; }
.install-step { padding: 16px; border-radius: 16px; border: 1px solid var(--line); background: #f8fbff; }
.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0;
  display: grid;
  gap: 22px;
}
.footer-brand img { width: 30px; height: 30px; border-radius: 9px; }
.footer-inner p { color: var(--muted); margin: 10px 0 0; max-width: 620px; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: #526277; font-weight: 650; }
.footer-bottom { border-top: 1px solid var(--line); color: var(--muted); text-align: center; font-size: 13px; padding: 14px 16px; }
@media (min-width: 640px) {
  .docs-category-grid, .feature-grid, .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .risk-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    width: auto;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
  }
  .docs-hero { grid-template-columns: 1.05fr .95fr; align-items: stretch; padding-top: 46px; }
  .hero-copy, .hero-visual { min-height: 540px; }
  .docs-layout { grid-template-columns: 255px minmax(0, 1fr); }
  .docs-sidebar { position: sticky; top: 92px; }
  .docs-category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .risk-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principle-item { grid-template-columns: 54px 1fr; align-items: start; }
  .doc-shell { grid-template-columns: minmax(0, 1fr) 280px; }
  .side-panel { position: sticky; top: 92px; }
  .download-center { grid-template-columns: minmax(0, 1.1fr) .9fr; }
  .footer-inner { grid-template-columns: 1fr auto; align-items: start; }
}
@media (min-width: 1120px) {
  .hero-copy { padding: 42px; }
  .doc-main { padding: 34px; }
}