:root {
  --brk-bg: #0c0f1a;
  --brk-surface: rgba(22, 28, 48, 0.72);
  --brk-line: rgba(255, 255, 255, 0.08);
  --brk-text: #e8ecf8;
  --brk-muted: #9aa3c7;
  --brk-accent: #7c5cff;
  --brk-accent-2: #ff7a59;
  --brk-mint: #3dffc8;
  --brk-radius: 18px;
  --brk-header-h: 58px;
  --brk-dock-h: 108px;
  --brk-font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body.brk-page {
  margin: 0;
  font-family: var(--brk-font);
  color: var(--brk-text);
  background: var(--brk-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(124, 92, 255, 0.35), transparent),
    radial-gradient(ellipse 60% 40% at 100% 20%, rgba(255, 122, 89, 0.22), transparent),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(61, 255, 200, 0.12), transparent);
  line-height: 1.75;
  font-size: 16px;
}

body.brk-body-dock {
  padding-bottom: calc(var(--brk-dock-h) + 12px);
}

a {
  color: var(--brk-mint);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #fff;
}

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

.brk-header {
  position: sticky;
  top: 0;
  z-index: 100;
  isolation: isolate;
  backdrop-filter: blur(16px);
  background: rgba(12, 15, 26, 0.82);
  border-bottom: 1px solid var(--brk-line);
}

.brk-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: var(--brk-header-h);
}

.brk-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brk-brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(124, 92, 255, 0.35);
}

.brk-nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--brk-line);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
}

.brk-nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--brk-text);
}

.brk-nav-panel {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: rgba(12, 15, 26, 0.96);
  border-bottom: 1px solid var(--brk-line);
  padding: 12px 16px 20px;
}

.brk-nav-panel--open {
  display: block;
}

.brk-nav-panel a {
  display: block;
  padding: 10px 4px;
  color: var(--brk-text);
  text-decoration: none;
  border-bottom: 1px solid var(--brk-line);
}

.brk-nav-desktop {
  display: none;
  gap: 20px;
}

.brk-nav-desktop a {
  color: var(--brk-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.brk-nav-desktop a:hover {
  color: #fff;
}

.brk-promo-top {
  max-width: 1100px;
  margin: 0 auto;
  padding: 8px 12px 0;
}

#brk-promo-ads {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

#brk-promo-ads .brk-ad-cell {
  width: 70px;
  text-align: center;
}

#brk-promo-ads img {
  width: 65px;
  height: 65px;
  border-radius: 16px;
  object-fit: cover;
  margin: 0 auto;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

#brk-promo-ads .brk-ad-cap {
  font-size: 11px;
  color: var(--brk-muted);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brk-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  transform: translateY(110%);
  transition: transform 0.28s ease;
  background: rgba(16, 20, 36, 0.94);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--brk-line);
  padding: 8px 10px 10px;
}

.brk-dock--visible {
  transform: translateY(0);
}

.brk-dock-label {
  margin: 0 0 6px;
  text-align: center;
  font-size: 12px;
  color: var(--brk-muted);
}

#brk-dock-ads {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 1100px;
  margin: 0 auto;
}

#brk-dock-ads .brk-ad-cell {
  width: calc(25% - 6px);
  text-align: center;
}

#brk-dock-ads img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  margin: 0 auto;
}

#brk-dock-ads .brk-ad-cap {
  font-size: 10px;
  color: var(--brk-muted);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .brk-nav-toggle {
    display: none;
  }

  .brk-nav-panel {
    display: none !important;
  }

  .brk-nav-desktop {
    display: flex;
  }

  #brk-dock-ads .brk-ad-cell {
    width: calc(12.5% - 8px);
  }

  #brk-dock-ads img {
    width: 56px;
    height: 56px;
  }
}

.brk-hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 16px 36px;
  display: grid;
  gap: 24px;
}

.brk-hero-glow {
  position: relative;
  padding: 28px 22px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.18), rgba(255, 122, 89, 0.1));
  border: 1px solid var(--brk-line);
  overflow: hidden;
}

.brk-hero-glow::after {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  right: -60px;
  top: -80px;
  background: radial-gradient(circle, rgba(61, 255, 200, 0.35), transparent 70%);
  pointer-events: none;
}

.brk-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 4.5vw, 2.15rem);
  line-height: 1.35;
  position: relative;
}

.brk-hero-lead {
  margin: 0;
  color: var(--brk-muted);
  font-size: 1.05rem;
  position: relative;
}

.brk-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.brk-prose h2 {
  margin: 2.2em 0 0.6em;
  font-size: 1.45rem;
  color: #fff;
}

.brk-prose h3 {
  margin: 1.6em 0 0.5em;
  font-size: 1.15rem;
  color: var(--brk-mint);
}

.brk-prose p {
  margin: 0 0 1em;
  color: #c5cce8;
}

.brk-card-row {
  display: grid;
  gap: 16px;
  margin: 28px 0;
}

.brk-glass-card {
  padding: 20px;
  border-radius: var(--brk-radius);
  background: var(--brk-surface);
  border: 1px solid var(--brk-line);
  backdrop-filter: blur(10px);
}

.brk-glass-card h3 {
  margin-top: 0;
}

.brk-split {
  display: grid;
  gap: 20px;
  margin: 32px 0;
  align-items: center;
}

.brk-shot {
  border-radius: 20px;
  border: 1px solid var(--brk-line);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.brk-cta-band {
  margin: 40px 0;
  padding: 24px;
  text-align: center;
  border-radius: 20px;
  background: linear-gradient(90deg, rgba(124, 92, 255, 0.25), rgba(61, 255, 200, 0.12));
  border: 1px solid var(--brk-line);
}

.brk-cta-install {
  display: inline-block;
  margin-top: 12px;
  padding: 12px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brk-accent), var(--brk-accent-2));
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.4);
}

.brk-breadcrumb {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px 0;
  font-size: 0.85rem;
  color: var(--brk-muted);
}

.brk-breadcrumb a {
  color: var(--brk-muted);
  text-decoration: none;
}

.brk-breadcrumb a:hover {
  color: #fff;
}

.brk-legal {
  max-width: 820px;
  margin: 0 auto;
  padding: 8px 16px 56px;
}

.brk-legal h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5em;
}

.brk-footer {
  border-top: 1px solid var(--brk-line);
  padding: 28px 16px 36px;
  text-align: center;
  color: var(--brk-muted);
  font-size: 0.9rem;
}

.brk-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 20px;
  margin-bottom: 12px;
}

.brk-footer a {
  color: var(--brk-muted);
  text-decoration: none;
}

.brk-error {
  text-align: center;
  padding: 48px 16px 64px;
  max-width: 520px;
  margin: 0 auto;
}

.brk-error h1 {
  font-size: 4rem;
  margin: 0;
  background: linear-gradient(135deg, var(--brk-accent), var(--brk-mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (min-width: 768px) {
  .brk-card-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .brk-split {
    grid-template-columns: 1fr 1fr;
  }

  .brk-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}