/* === SEARCHDOG GLOBAL === */
:root {
  --bg-primary: #060B18;
  --bg-secondary: #0B1228;
  --bg-card: #0F1A35;
  --bg-card-hover: #142040;
  --accent: #00D4FF;
  --accent-purple: #7B6CFF;
  --accent-green: #00E89D;
  --accent-gold: #FFD700;
  --text-primary: #FFFFFF;
  --text-secondary: #B0BFE0;
  --text-muted: #5A6E95;
  --border: rgba(255,255,255,0.06);
  --border-accent: rgba(0,212,255,0.15);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --nav-h: 64px;
  --max-w: 1200px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  max-width: 100vw;
  overflow-x: hidden;
}
body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  max-width: 100vw;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.page { display: none; }
.page.active { display: block; }

/* === NAV === */
#main-nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  z-index: 1000;
  background: rgba(6,11,24,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
#main-nav.scrolled { background: rgba(6,11,24,0.95); }
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
}
.nav-logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.logo-icon { color: var(--accent); font-size: 1.4rem; }
.nav-links { display: flex; gap: 2rem; }
.nav-link {
  font-size: 0.82rem; color: var(--text-secondary); font-weight: 500;
  letter-spacing: 0.01em; transition: color 0.2s; position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1.5px; background: var(--accent); border-radius: 1px;
}
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.lang-switch {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-secondary); padding: 0.3rem 0.7rem; border-radius: 4px;
  font-size: 0.75rem; font-weight: 600; cursor: pointer;
  font-family: var(--font); letter-spacing: 0.05em;
  transition: all 0.2s;
}
.lang-switch:hover { border-color: var(--accent); color: var(--accent); }
.nav-cta {
  background: var(--accent); color: var(--bg-primary); padding: 0.45rem 1.2rem;
  border-radius: 6px; font-size: 0.8rem; font-weight: 600;
  transition: all 0.2s; letter-spacing: -0.01em;
}
.nav-cta:hover { background: #33deff; transform: translateY(-1px); }
.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; flex-direction: column; gap: 4px; }
.mobile-menu-btn span { display: block; width: 20px; height: 2px; background: var(--text-secondary); border-radius: 1px; transition: all 0.3s; }
.mobile-menu-overlay {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(6,11,24,0.98); backdrop-filter: blur(20px);
  padding: calc(var(--nav-h) + 1.5rem) 1.5rem 1.5rem;
}
.mobile-menu-overlay.open { display: flex; flex-direction: column; justify-content: space-between; }
.mobile-menu-links { display: flex; flex-direction: column; gap: 1.25rem; }
.mobile-menu-links a { font-size: 1.2rem; font-weight: 600; color: var(--text-secondary); }
.mobile-menu-links a:hover { color: var(--text-primary); }
.mobile-cta { color: var(--accent) !important; }

/* 移动端额外面板 */
.mobile-actions-panel {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.mobile-lang-row {
  display: flex;
  gap: 0.8rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.mobile-lang-btn {
  cursor: pointer;
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: all 0.2s;
  font-weight: 500;
}
.mobile-lang-btn.active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.25);
  font-weight: 700;
}
.mobile-login-btn {
  text-align: center;
  width: 100%;
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: #fff;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.2s;
}
.mobile-login-btn:hover {
  border-color: var(--accent);
}

/* === HERO === */
#hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden; padding: var(--nav-h) 0 0;
}
#hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 20% 50%, rgba(0,212,255,0.04) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 80% 30%, rgba(123,108,255,0.03) 0%, transparent 60%);
  pointer-events: none;
}
.hero-floats {
  position: absolute; inset: 0; pointer-events: none;
}
.hero-tag {
  position: absolute; left: var(--x); top: var(--y);
  font-size: 0.7rem; color: var(--text-muted); font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  opacity: 0; animation: tagFloat 4s ease-in-out infinite;
  animation-delay: var(--delay);
  padding: 0.25rem 0.6rem; border-radius: 3px;
  background: rgba(15,26,53,0.5); border: 1px solid rgba(255,255,255,0.04);
}
@keyframes tagFloat {
  0%, 100% { opacity: 0; transform: translateY(8px); }
  30%, 70% { opacity: 0.6; transform: translateY(0); }
}
.hero-content {
  position: relative; z-index: 2; max-width: var(--max-w);
  margin: 0 auto; padding: 0 2rem; width: 100%;
}
.hero-badge {
  display: inline-block; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--border-accent);
  padding: 0.35rem 1rem; border-radius: 20px; margin-bottom: 2rem;
  background: rgba(0,212,255,0.04);
}
.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.5rem); font-weight: 800;
  line-height: 1.1; letter-spacing: -0.03em; max-width: 700px;
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem); color: var(--text-secondary);
  line-height: 1.7; max-width: 560px; margin-bottom: 2.5rem;
  font-weight: 400;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.75rem 1.8rem; border-radius: 8px; font-size: 0.88rem;
  font-weight: 600; cursor: pointer; transition: all 0.25s;
  border: none; font-family: var(--font); letter-spacing: -0.01em;
}
.btn-primary { background: var(--accent); color: var(--bg-primary); }
.btn-primary:hover { background: #33deff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,0.2); }
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,0.15); color: var(--text-primary); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--accent); }
.btn-lg { padding: 0.9rem 2.2rem; font-size: 0.95rem; }

/* === SECTIONS === */
.section {
  padding: 7rem 2rem;
  max-width: var(--max-w); margin: 0 auto;
}
.section-label {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 1rem;
}
.section-sub {
  font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7;
  max-width: 600px; margin-bottom: 3.5rem;
}
.section-divider {
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* === CARDS === */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 2rem;
  transition: all 0.3s;
}
.card:hover { border-color: var(--border-accent); background: var(--bg-card-hover); transform: translateY(-2px); }
.card-icon {
  width: 44px; height: 44px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; font-size: 1.2rem;
  margin-bottom: 1.2rem;
}
.card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.6rem; letter-spacing: -0.02em; }
.card-desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.65; }

/* === GRID LAYOUTS === */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* === FOOTER === */
#site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 4rem 2rem 2rem;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-logo { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.4rem; }
.footer-tagline { font-size: 0.82rem; color: var(--text-muted); }
.footer-col h4 { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1rem; }
.footer-col a { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.6rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 1.5rem; font-size: 0.78rem; color: var(--text-muted); }

/* === SPECIFIC SECTION STYLES === */

/* Why SearchDog */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.why-card { position: relative; overflow: hidden; }
.why-card .card-icon { background: rgba(0,212,255,0.08); color: var(--accent); }
.why-card:nth-child(2) .card-icon { background: rgba(123,108,255,0.08); color: var(--accent-purple); }
.why-card:nth-child(3) .card-icon { background: rgba(0,232,157,0.08); color: var(--accent-green); }
.why-card:nth-child(4) .card-icon { background: rgba(255,215,0,0.08); color: var(--accent-gold); }

/* Problems */
.problems-grid { display: grid; grid-template-columns: 1fr 80px 1fr; gap: 0; align-items: start; }
.problems-col { display: flex; flex-direction: column; gap: 1.2rem; }
.problems-divider { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; padding-top: 0.5rem; }
.problems-divider .arrow { color: var(--accent); font-size: 1.5rem; }
.problem-item {
  padding: 1.2rem 1.5rem; border-radius: 10px; font-size: 0.88rem; line-height: 1.6;
}
.problem-old { background: rgba(255,60,60,0.04); border: 1px solid rgba(255,60,60,0.1); color: var(--text-secondary); }
.problem-old .problem-label { color: #FF6B6B; font-weight: 600; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.4rem; }
.problem-new { background: rgba(0,212,255,0.04); border: 1px solid rgba(0,212,255,0.1); }
.problem-new .problem-label { color: var(--accent); font-weight: 600; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.4rem; }

/* Evolution */
.evo-timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; position: relative; }
.evo-timeline::before {
  content: ''; position: absolute; top: 28px; left: 10%; right: 10%;
  height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-purple), var(--accent-green));
  opacity: 0.3;
}
.evo-phase { position: relative; text-align: center; }
.evo-dot {
  width: 16px; height: 16px; border-radius: 50%; margin: 0 auto 1.5rem;
  position: relative; z-index: 1;
}
.evo-phase:nth-child(1) .evo-dot { background: var(--accent); box-shadow: 0 0 20px rgba(0,212,255,0.4); }
.evo-phase:nth-child(2) .evo-dot { background: var(--accent-purple); box-shadow: 0 0 20px rgba(123,108,255,0.4); }
.evo-phase:nth-child(3) .evo-dot { background: var(--accent-green); box-shadow: 0 0 20px rgba(0,232,157,0.4); }
.evo-label {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: 0.6rem;
}
.evo-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.8rem; letter-spacing: -0.02em; }
.evo-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }
.evo-items { list-style: none; margin-top: 1rem; text-align: left; }
.evo-items li {
  font-size: 0.82rem; color: var(--text-secondary); padding: 0.35rem 0;
  padding-left: 1.2rem; position: relative;
}
.evo-items li::before {
  content: ''; position: absolute; left: 0; top: 50%; width: 5px; height: 5px;
  border-radius: 50%; transform: translateY(-50%);
}
.evo-phase:nth-child(1) .evo-items li::before { background: var(--accent); }
.evo-phase:nth-child(2) .evo-items li::before { background: var(--accent-purple); }
.evo-phase:nth-child(3) .evo-items li::before { background: var(--accent-green); }

/* Capabilities */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.cap-card { padding: 1.8rem 1.4rem; }
.cap-card .card-icon { width: 40px; height: 40px; font-size: 1.1rem; }

/* Download Preview */
.dl-preview {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 3rem; display: grid;
  grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
}
.dl-meta { display: flex; flex-direction: column; gap: 0.8rem; }
.dl-version { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; }
.dl-version span { color: var(--accent); }
.dl-info { display: flex; gap: 1.5rem; font-size: 0.82rem; color: var(--text-muted); }
.dl-info-item { display: flex; align-items: center; gap: 0.4rem; }
.dl-actions { display: flex; gap: 1rem; margin-top: 1rem; }

/* Enterprise Preview */
.ent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.ent-card { text-align: center; padding: 2.5rem 1.5rem; }
.ent-card .card-icon { margin: 0 auto 1.2rem; }

/* Vision */
#vision { position: relative; text-align: center; padding: 8rem 2rem; }
.vision-quote {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 300;
  line-height: 1.6; max-width: 750px; margin: 0 auto 2rem;
  color: var(--text-secondary);
}
.vision-quote strong { color: var(--text-primary); font-weight: 600; }
.vision-accent {
  font-size: 1.1rem; color: var(--accent); font-weight: 600;
  max-width: 600px; margin: 0 auto;
}

/* === DOWNLOAD PAGE === */
.page-header {
  padding: calc(var(--nav-h) + 4rem) 2rem 0.8rem;
  max-width: var(--max-w); margin: 0 auto;
}
.page-header .section-label { margin-bottom: 0.8rem; }
.page-header .section-title { margin-bottom: 0.8rem; }
.page-header .section-sub { margin-bottom: 0; }
.page-body { padding: 0 2rem 5rem; max-width: var(--max-w); margin: 0 auto; }

.release-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 2.5rem; margin-bottom: 2rem;
}
.release-card.latest { border-color: var(--border-accent); }
.release-badge {
  display: inline-block; font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.25rem 0.8rem; border-radius: 4px; margin-bottom: 1rem;
}
.release-badge.stable { background: rgba(0,232,157,0.1); color: var(--accent-green); }
.release-badge.beta { background: rgba(123,108,255,0.1); color: var(--accent-purple); }
.release-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.release-meta { display: flex; gap: 2rem; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 1.5rem; flex-wrap: wrap; }
.release-notes { margin-bottom: 1.5rem; }
.release-notes h4 { font-size: 0.82rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.6rem; }
.release-notes ul { list-style: none; }
.release-notes li {
  font-size: 0.85rem; color: var(--text-secondary); padding: 0.3rem 0 0.3rem 1.2rem;
  position: relative; line-height: 1.5;
}
.release-notes li::before { content: '→'; position: absolute; left: 0; color: var(--accent); font-size: 0.8rem; }

/* Apple-style Segmented Control & Platform Selection */
.platform-selector-wrapper {
  display: flex;
  justify-content: center;
  margin: 1.2rem 0 0.5rem;
}

.platform-segmented-control {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.platform-tab-btn {
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.65rem 1.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  -webkit-user-select: none;
}

.platform-tab-btn:hover {
  color: var(--text-primary);
}

.platform-tab-btn:active {
  transform: scale(0.97);
  transition: transform 0.1s ease-out;
}

.platform-tab-btn.active {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(255, 255, 255, 0.1) inset;
}

.platform-tab-btn .platform-icon {
  font-size: 1.1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.platform-svg-icon {
  width: 15px;
  height: 15px;
  fill: currentColor;
  display: inline-block;
  vertical-align: -0.15em;
  flex-shrink: 0;
}

.platform-svg-icon.icon-mac {
  width: 18px;
  height: 18px;
  vertical-align: -0.22em;
}

/* Download Cards Grid for macOS & Windows */
.dl-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 1.8rem;
}

@media (max-width: 640px) {
  .dl-options-grid {
    grid-template-columns: 1fr;
  }
}

.dl-arch-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.dl-arch-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.arch-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.arch-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.arch-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
}

.arch-badge.recommended {
  background: rgba(0, 212, 255, 0.15);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.arch-filename {
  font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.2);
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 1.2rem;
  word-break: break-all;
}

.arch-dl-btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
}

.arch-dl-btn:active {
  transform: scale(0.98);
}

/* Install guide */
.install-section { margin-top: 3rem; }
.install-section h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.install-steps { display: flex; flex-direction: column; gap: 1rem; }
.install-step {
  display: flex; gap: 1.2rem; align-items: flex-start;
  padding: 1.2rem 1.5rem; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 10px;
}
.step-num {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,212,255,0.1); color: var(--accent);
  font-size: 0.78rem; font-weight: 700;
}
.step-text { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }
.step-text strong { color: var(--text-primary); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.faq-item {
  padding: 1.2rem 1.5rem; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 10px; cursor: pointer;
  transition: all 0.3s;
}
.faq-item:hover { border-color: var(--border-accent); }
.faq-q { font-size: 0.92rem; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.faq-q::after { content: '+'; font-size: 1.2rem; color: var(--text-muted); transition: transform 0.3s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); color: var(--accent); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.open .faq-a { max-height: 200px; }
.faq-a p { padding-top: 0.8rem; font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }

/* Updates page */
.changelog-entry { margin-bottom: 3rem; padding-bottom: 3rem; border-bottom: 1px solid var(--border); }
.changelog-entry:last-child { border-bottom: none; }
.changelog-date { font-size: 0.72rem; color: var(--text-muted); font-weight: 500; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.changelog-ver { font-size: 1.3rem; font-weight: 700; margin-bottom: 1rem; letter-spacing: -0.02em; }
.changelog-section { margin-bottom: 1.2rem; }
.changelog-section h4 {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 0.6rem;
  display: inline-block; padding: 0.2rem 0.6rem; border-radius: 4px;
}
.changelog-section h4.new { background: rgba(0,232,157,0.1); color: var(--accent-green); }
.changelog-section h4.improved { background: rgba(0,212,255,0.1); color: var(--accent); }
.changelog-section h4.fixed { background: rgba(255,215,0,0.1); color: var(--accent-gold); }
.changelog-section h4.known { background: rgba(255,100,100,0.1); color: #FF6B6B; }
.changelog-section ul { list-style: none; }
.changelog-section li { font-size: 0.85rem; color: var(--text-secondary); padding: 0.25rem 0 0.25rem 1rem; position: relative; line-height: 1.55; }
.changelog-section li::before { content: '·'; position: absolute; left: 0; color: var(--text-muted); font-weight: 700; }

/* Markdown Changelog Rendering Styles */
.changelog-markdown,
.changelog-content {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.changelog-markdown > :first-child,
.changelog-content > :first-child {
  margin-top: 0 !important;
}

.changelog-markdown h1, .changelog-content h1,
.changelog-markdown h2, .changelog-content h2,
.changelog-markdown h3, .changelog-content h3,
.changelog-markdown h4, .changelog-content h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-top: 1.4rem;
  margin-bottom: 0.6rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.changelog-markdown h1, .changelog-content h1 { font-size: 1.2rem; }
.changelog-markdown h2, .changelog-content h2 { font-size: 1.1rem; }
.changelog-markdown h3, .changelog-content h3 { font-size: 1rem; }
.changelog-markdown h4, .changelog-content h4 { font-size: 0.9rem; }

/* Visual accent pillar marker for Markdown H3/H4 headers */
.changelog-markdown h3::before, .changelog-content h3::before,
.changelog-markdown h4::before, .changelog-content h4::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 0.9em;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
  margin-right: 0.15rem;
}

.changelog-markdown p, .changelog-content p {
  margin-bottom: 0.8rem;
  color: var(--text-secondary);
}

.changelog-markdown ul, .changelog-content ul,
.changelog-markdown ol, .changelog-content ol {
  margin-top: 0.4rem;
  margin-bottom: 1.2rem;
  padding-left: 0;
  list-style: none;
}

.changelog-markdown li, .changelog-content li {
  position: relative;
  padding: 0.3rem 0 0.3rem 1.25rem;
  line-height: 1.6;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.changelog-markdown ul > li::before,
.changelog-content ul > li::before {
  content: '';
  position: absolute;
  left: 0.35rem;
  top: 0.85rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 6px rgba(0, 212, 255, 0.4);
}

.changelog-markdown ol,
.changelog-content ol {
  counter-reset: changelog-counter;
}

.changelog-markdown ol > li,
.changelog-content ol > li {
  counter-increment: changelog-counter;
}

.changelog-markdown ol > li::before,
.changelog-content ol > li::before {
  content: counter(changelog-counter) '.';
  position: absolute;
  left: 0;
  top: 0.3rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
}

.changelog-markdown strong, .changelog-content strong,
.changelog-markdown b, .changelog-content b {
  color: var(--text-primary);
  font-weight: 600;
}

.changelog-markdown code, .changelog-content code {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: SFMono-Regular, Consolas, monospace;
}

.changelog-markdown pre, .changelog-content pre {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  padding: 0.8rem 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.changelog-markdown pre code, .changelog-content pre code {
  background: transparent;
  padding: 0;
  color: var(--text-secondary);
}

.changelog-markdown blockquote, .changelog-content blockquote {
  border-left: 3px solid var(--accent-purple);
  padding: 0.4rem 0 0.4rem 1rem;
  margin: 0.8rem 0;
  background: rgba(123, 108, 255, 0.05);
  border-radius: 0 6px 6px 0;
  color: var(--text-secondary);
}

.changelog-markdown hr, .changelog-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* Enterprise page */
.ent-hero {
  padding: calc(var(--nav-h) + 6rem) 2rem 4rem;
  max-width: var(--max-w); margin: 0 auto; text-align: center;
}
.ent-features { padding: 0 2rem 5rem; max-width: var(--max-w); margin: 0 auto; }
.ent-feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.ent-feature {
  padding: 2rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; transition: all 0.3s;
}
.ent-feature:hover { border-color: var(--border-accent); }
.ent-feature h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.6rem; }
.ent-feature p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }
.ent-cta-section { text-align: center; padding: 4rem 2rem 5rem; max-width: var(--max-w); margin: 0 auto; }

/* About page */
.about-content { max-width: 720px; }
.about-content p { font-size: 1rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 1.5rem; }
.about-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.about-value h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.about-value p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-item h3 { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.3rem; }
.contact-item p { font-size: 0.92rem; color: var(--text-secondary); }
.contact-item a { color: var(--accent); }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-input, .form-textarea {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.8rem 1rem; color: var(--text-primary);
  font-family: var(--font); font-size: 0.88rem; transition: border-color 0.2s;
  outline: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 120px; }

/* === GSAP REVEAL === */
.reveal { opacity: 0; transform: translateY(30px); }
.reveal.revealed { opacity: 1; transform: translateY(0); transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .grid-4, .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .evo-timeline { grid-template-columns: 1fr; gap: 2.5rem; }
  .evo-timeline::before { display: none; }
  .evo-phase { text-align: left; }
  .evo-dot { margin: 0 0 1rem; }
  .problems-grid { grid-template-columns: 1fr; }
  .problems-divider { flex-direction: row; padding: 1rem 0; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .mobile-menu-btn { display: flex; }
  .why-grid, .grid-2, .ent-feature-grid, .contact-grid { grid-template-columns: 1fr; }
  .grid-3, .ent-grid, .about-values { grid-template-columns: 1fr; }
  .dl-preview { grid-template-columns: 1fr; }
  .hero-floats { display: none; }
  .section { padding: 4rem 1.5rem; }
  .hero-ctas { flex-direction: column; align-items: stretch; gap: 0.8rem; width: 100%; }
  .hero-ctas .btn { width: 100%; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }

  /* Problems 移动端对比块样式 */
  .problems-divider { display: none !important; }
  .problem-item.problem-old { border-left: 3px solid #FF6B6B; background: rgba(255, 107, 107, 0.03); }
  .problem-item.problem-new { border-left: 3px solid var(--accent); background: rgba(0, 212, 255, 0.03); }

  /* Evolution 移动端连接轴 */
  .evo-timeline { position: relative; padding-left: 1.5rem; }
  .evo-timeline::before { display: block !important; content: ''; position: absolute; left: 4px; top: 10px; bottom: 10px; width: 2px; border-left: 2px dashed rgba(255, 255, 255, 0.15); }
  .evo-phase { position: relative; }
  .evo-dot { position: absolute; left: -1.5rem; margin-left: -5px; top: 6px; width: 12px; height: 12px; background: var(--accent); border: 3px solid var(--bg-primary); }

  /* 控制台 H5 收缩与支付单列 */
  .console-content-box { padding: 1.2rem; }
  .pay-grid { grid-template-columns: 1fr; gap: 0.8rem; }
  .detail-card { padding: 1rem; }

  /* Footer H5 优化：居中对称与缩窄 */
  #site-footer {
    padding: 3rem 1.5rem calc(2rem + env(safe-area-inset-bottom));
    text-align: center;
  }
  .footer-logo {
    justify-content: center;
  }
  .footer-col h4 {
    margin-bottom: 0.75rem;
  }
  .footer-col a {
    margin-bottom: 0.5rem;
  }

  /* 历史订单表格 H5 卡片化 */
  .orders-table-wrapper {
    border: none !important;
    overflow: visible !important;
    background: transparent !important;
  }
  .orders-table,
  .orders-table thead,
  .orders-table tbody,
  .orders-table tr,
  .orders-table td {
    display: block;
    width: 100%;
  }
  .orders-table thead {
    display: none !important;
  }
  .orders-table tr {
    background: rgba(255, 255, 255, 0.02) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    border-radius: 12px !important;
    padding: 1rem !important;
    margin-bottom: 1rem !important;
  }
  .orders-table td {
    padding: 0.6rem 0 !important;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.04) !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    text-align: left !important;
  }
  .orders-table td:last-child {
    border-bottom: none !important;
    justify-content: flex-end !important;
  }
  .orders-table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.8rem;
  }

  /* 长英文字符（密钥、用户ID等）强折行防止撑开宽度 */
  .list-card-title,
  .console-uid,
  .detail-row span,
  .team-member-row span {
    word-break: break-all !important;
    overflow-wrap: anywhere !important;
  }
}

@media (max-width: 580px) {
  #nav-login-btn,
  .lang-dropdown,
  .nav-user-dropdown {
    display: none !important;
  }
  .nav-inner {
    padding: 0 1rem;
  }
  
  /* 团队管理列表移动端垂直折行 */
  .team-member-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.8rem !important;
    padding: 1.2rem 1rem !important;
  }
  .member-info {
    width: 100% !important;
  }
  .member-actions {
    width: 100% !important;
    display: flex !important;
    justify-content: flex-end !important;
    border-top: 1px solid rgba(255, 255, 255, 0.03) !important;
    padding-top: 0.6rem !important;
  }
}

@media (max-width: 480px) {
  .cap-grid { grid-template-columns: 1fr; }
}
@media (min-width: 481px) and (max-width: 768px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === LOGIN MODAL === */
.login-modal-overlay {
  position: fixed; inset: 0; z-index: 1100;
  background: rgba(4, 7, 16, 0.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  display: flex; align-items: flex-start; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
  overflow-y: auto;
  padding: 2rem 0;
}
.login-modal-overlay.open { opacity: 1; pointer-events: auto; }
.login-modal-container {
  background: rgba(15, 26, 53, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.05);
  border-radius: 16px; width: 90%; max-width: 400px;
  padding: 2.2rem; text-align: center;
  transform: translateY(20px); transition: transform 0.3s;
  margin: auto;
}
.login-modal-overlay.open .login-modal-container { transform: translateY(0); }
.login-modal-title { font-size: 1.4rem; font-weight: 800; margin-bottom: 0.4rem; color: #fff; }
.login-modal-sub { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 2rem; }
.login-form-group { position: relative; margin-bottom: 1.2rem; display: flex; gap: 8px; }
.login-input {
  flex: 1; min-width: 0; background: rgba(6, 11, 24, 0.6);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 0.8rem 1rem; color: #fff; font-family: var(--font);
  font-size: 0.9rem; outline: none; transition: all 0.25s;
}
.login-input:focus { border-color: var(--accent); box-shadow: 0 0 10px rgba(0, 212, 255, 0.15); }
.btn-send-code {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  color: var(--text-secondary); border-radius: 8px; padding: 0 1rem;
  font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: all 0.2s;
  white-space: nowrap;
}
.btn-send-code:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn-send-code:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-login-submit {
  width: 100%; background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  color: var(--bg-primary); border: none; border-radius: 8px;
  padding: 0.9rem; font-size: 0.9rem; font-weight: 700;
  cursor: pointer; transition: all 0.25s; margin-top: 1rem;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
}
.btn-login-submit:hover { transform: translateY(-1px); box-shadow: 0 0 25px rgba(0, 212, 255, 0.4); }

/* === CONSOLE LAYOUT === */
.console-container { max-width: var(--max-w); margin: 0 auto; padding: calc(var(--nav-h) + 2rem) 2rem 4rem; }
.console-title-section { margin-bottom: 2.5rem; }
.console-main-title { font-size: 2rem; font-weight: 900; background: linear-gradient(135deg, #fff, var(--text-secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.console-subtitle { font-size: 0.92rem; color: var(--text-secondary); margin-top: 0.4rem; }
.console-layout { display: grid; grid-template-columns: 240px 1fr; gap: 2rem; }
.console-sidebar { display: flex; flex-direction: column; gap: 6px; }
.console-menu-item {
  background: transparent; border: 1px solid transparent;
  color: var(--text-secondary); padding: 0.9rem 1.2rem; border-radius: 10px;
  cursor: pointer; font-weight: 600; font-size: 0.88rem; text-align: left;
  transition: all 0.2s; display: flex; align-items: center; gap: 10px;
}
.console-menu-item:hover { color: #fff; background: rgba(255, 255, 255, 0.03); }
.console-menu-item.active {
  color: var(--accent); background: rgba(0, 212, 255, 0.06);
  border-color: rgba(0, 212, 255, 0.15);
}
.console-content-box {
  background: rgba(11, 18, 40, 0.55);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 2.2rem; min-height: 480px; backdrop-filter: blur(20px);
}
.console-section { display: none; }
.console-section.active { display: block; }
.console-section-title { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.8rem; }

/* === CARDS & DETAILS === */
.detail-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.5rem; margin-bottom: 1.5rem;
}
.detail-row { display: flex; justify-content: space-between; margin-bottom: 0.8rem; font-size: 0.88rem; }
.detail-row:last-child { margin-bottom: 0; }
.detail-label { color: var(--text-secondary); }
.detail-value { font-weight: 600; color: #fff; font-family: monospace; }
.detail-value.highlight { color: var(--accent); }

/* === PLANS GRID === */
.plans-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.plan-card-item {
  background: rgba(255, 255, 255, 0.01); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.2rem; cursor: pointer; display: flex;
  align-items: flex-start; gap: 12px; transition: all 0.25s ease;
}
.plan-card-item:hover { border-color: var(--accent); background: rgba(255,255,255,0.02); }
.plan-card-item.selected { border-color: var(--accent-purple); background: rgba(123, 108, 255, 0.06); }
.plan-radio-container { display: flex; align-items: center; margin-top: 3px; }
.plan-radio-container input[type="radio"] { accent-color: var(--accent-purple); cursor: pointer; }
.plan-card-info { display: flex; flex-direction: column; gap: 4px; }
.plan-card-name { font-weight: 700; font-size: 0.95rem; color: #fff; }
.plan-card-price { font-size: 0.85rem; color: var(--text-secondary); font-weight: 500; }
.plan-card-price strong { color: var(--accent-gold); font-size: 1.05rem; }

/* === PAY GRID === */
.pay-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.8rem; }
.pay-channel-item {
  background: rgba(255, 255, 255, 0.01); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem; cursor: pointer; display: flex;
  align-items: center; gap: 10px; transition: all 0.2s;
}
.pay-channel-item:hover { border-color: var(--accent); }
.pay-channel-item.selected { border-color: var(--accent); background: rgba(0, 212, 255, 0.05); }
.pay-channel-item input[type="radio"] { accent-color: var(--accent); cursor: pointer; }
.pay-channel-label { font-size: 0.88rem; font-weight: 600; color: #fff; }

/* === ORDER CARD SHOWCASE === */
.checkout-box {
  background: rgba(6, 11, 24, 0.55); border: 1px dashed rgba(255,255,255,0.12);
  border-radius: 12px; padding: 1.5rem; margin-top: 1.5rem; display: none;
}
.checkout-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.checkout-title { font-weight: 700; font-size: 0.95rem; color: #fff; }
.status-badge {
  font-size: 0.75rem; font-weight: 600; padding: 0.2rem 0.6rem; border-radius: 50px;
  background: rgba(255, 107, 107, 0.15); color: #FF6B6B;
}
.status-badge.paid { background: rgba(0, 232, 157, 0.15); color: var(--accent-green); }
.btn-checkout-action {
  background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  color: var(--bg-primary); border: none; border-radius: 8px; padding: 0.8rem;
  font-size: 0.88rem; font-weight: 700; cursor: pointer; width: 100%; transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(0,212,255,0.15); display: inline-flex; justify-content: center; align-items: center; gap: 6px;
}
.btn-checkout-action:hover { box-shadow: 0 0 15px rgba(0,212,255,0.3); transform: translateY(-1px); }

/* === LICENSE & ORDER LISTS === */
.item-list { display: flex; flex-direction: column; gap: 12px; }
.list-card {
  background: rgba(255,255,255,0.01); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.1rem; display: flex; flex-direction: column; gap: 6px;
}
.list-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.list-card-title { font-weight: 700; font-size: 0.92rem; color: #fff; font-family: monospace; }
.list-card-meta { font-size: 0.78rem; color: var(--text-secondary); }
.list-card-val { font-size: 0.82rem; color: var(--text-muted); display: flex; justify-content: space-between; }
.list-card-val strong { color: #fff; }

/* === NAV USER DROP DOWN === */
.nav-user-dropdown { position: relative; display: inline-block; }
.nav-user-menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  background: rgba(15, 26, 53, 0.95); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  min-width: 130px; display: none; flex-direction: column; z-index: 1050;
  overflow: hidden;
}
.nav-user-dropdown:hover .nav-user-menu,
.nav-user-menu.show { display: flex; }
.nav-user-dropdown::after {
  content: "";
  position: absolute;
  left: -20px;
  right: -20px;
  top: 100%;
  height: 12px;
  background: transparent;
  display: none;
  z-index: 1049;
}
.nav-user-dropdown:hover::after {
  display: block;
}
.dropdown-link {
  padding: 0.7rem 1rem; font-size: 0.8rem; color: var(--text-secondary);
  font-weight: 500; text-align: left; background: transparent; border: none;
  cursor: pointer; transition: all 0.2s; width: 100%; display: block;
}
.dropdown-link:hover { background: rgba(255,255,255,0.04); color: #fff; }
.dropdown-divider { height: 1px; background: var(--border); }

/* === RESPONSIVE CONSOLE === */
@media (max-width: 800px) {
  .console-layout {
    grid-template-columns: 1fr;
    display: block;
  }
  .console-sidebar {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-bottom: none;
    padding-bottom: 0;
  }
  .console-sidebar.mobile-hidden {
    display: none !important;
  }
  .console-menu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 1.1rem 1.2rem;
    border-radius: 12px;
    width: 100%;
    text-align: left;
    white-space: normal;
  }
  .console-menu-item::after {
    content: "〉";
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin-left: auto;
  }
  .console-menu-item.active {
    border-color: var(--accent);
    background: rgba(0, 212, 255, 0.04);
  }
  .console-content-box {
    display: none;
    padding: 1.5rem 1.2rem;
    min-height: auto;
  }
  .console-content-box.mobile-visible {
    display: block !important;
  }
  /* H5 下去除卡片背景与内边距，释放屏幕宽度 */
  .console-content-box .detail-card {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    box-shadow: none !important;
    grid-template-columns: 1fr !important; /* 强制单列自适应 */
  }
  .console-mobile-back {
    display: flex !important;
    align-items: center;
    gap: 6px;
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
  }
  .plans-grid { grid-template-columns: 1fr; }
}

@media (min-width: 801px) {
  .console-mobile-back {
    display: none !important;
  }
}

/* === THEMED BADGES & CARDS === */
.account-badge {
  display: inline-flex; align-items: center; padding: 0.25rem 0.75rem;
  border-radius: 50px; font-size: 0.75rem; font-weight: 700; color: #fff;
  box-shadow: 0 4px 10px rgba(0,0,0,0.25); text-transform: uppercase;
}
.badge-personal {
  background: linear-gradient(135deg, var(--accent), #00E89D);
  border: 1px solid rgba(0, 212, 255, 0.4);
}
.badge-team-owner {
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  border: 1px solid rgba(255, 215, 0, 0.4);
}
.badge-team-member {
  background: linear-gradient(135deg, #7b6cff, #ff007f);
  border: 1px solid rgba(123, 108, 255, 0.4);
}

.detail-card.theme-personal {
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: inset 0 0 15px rgba(0, 212, 255, 0.05);
}
.detail-card.theme-team-owner {
  border-color: rgba(255, 215, 0, 0.3);
  box-shadow: inset 0 0 15px rgba(255, 215, 0, 0.05);
}
.detail-card.theme-team-member {
  border-color: rgba(123, 108, 255, 0.3);
  box-shadow: inset 0 0 15px rgba(123, 108, 255, 0.05);
}

/* === TEAM MANAGEMENT === */
.team-empty-state {
  text-align: center; padding: 3rem 1.5rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px dashed var(--border); border-radius: 12px;
}
.team-empty-icon { font-size: 2.5rem; margin-bottom: 1rem; opacity: 0.6; }
.team-empty-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 1.5rem; }

.team-member-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem; background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border); border-radius: 10px; margin-bottom: 0.8rem;
  transition: all 0.2s;
}
.team-member-row:hover { background: rgba(255, 255, 255, 0.02); }
.member-info { display: flex; flex-direction: column; gap: 4px; }
.member-name { font-weight: 700; font-size: 0.92rem; color: #fff; }
.member-phone { font-size: 0.82rem; color: var(--text-secondary); font-family: monospace; }
.member-meta { font-size: 0.75rem; color: var(--text-muted); }
.member-actions { display: flex; align-items: center; gap: 10px; }

.role-badge {
  font-size: 0.7rem; font-weight: 600; padding: 0.15rem 0.5rem; border-radius: 4px;
  background: rgba(255,255,255,0.06); color: var(--text-secondary);
}
.role-badge.owner { background: rgba(255, 215, 0, 0.15); color: #ffd700; }
.role-badge.admin { background: rgba(123, 108, 255, 0.15); color: #7b6cff; }

.btn-remove-member {
  background: rgba(255, 107, 107, 0.08); border: 1px solid rgba(255, 107, 107, 0.2);
  color: #ff6b6b; padding: 0.35rem 0.8rem; border-radius: 6px;
  font-size: 0.75rem; font-weight: 600; cursor: pointer; transition: all 0.2s;
}
.btn-remove-member:hover {
  background: rgba(255, 107, 107, 0.2); border-color: #ff6b6b;
}

/* === LANGUAGE DROPDOWN === */
.lang-dropdown {
  position: relative;
  display: inline-block;
}
.lang-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: rgba(18, 20, 29, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 120px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  padding: 6px 0;
  transform-origin: top right;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.lang-dropdown-menu.show {
  display: block;
  animation: dropFade 0.2s ease;
}
@keyframes dropFade {
  from { opacity: 0; transform: translateY(-8px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.lang-dropdown-item {
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  white-space: nowrap;
}
.lang-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}
.lang-dropdown-item.active {
  color: var(--accent);
  font-weight: bold;
  background: rgba(0, 212, 255, 0.08);
}

/* === CUSTOM CENTERED DIALOG SYSTEM === */
.dialog-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.dialog-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.custom-dialog-card {
  width: 460px;
  max-width: 90%;
  background: rgba(15, 26, 53, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 2rem 2.2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  color: #fff;
  font-family: var(--font), system-ui, -apple-system, sans-serif;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.dialog-overlay.show .custom-dialog-card {
  transform: scale(1) translateY(0);
}

.dialog-status-icon {
  font-size: 2.5rem;
  margin-bottom: 0.2rem;
}

.dialog-message-body {
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.6;
  text-align: center;
  white-space: pre-line;
  color: rgba(255, 255, 255, 0.95);
  width: 100%;
  max-height: 250px;
  overflow-y: auto;
}

.dialog-confirm-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  color: var(--bg-primary);
  border: none;
  border-radius: 8px;
  padding: 0.75rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
  transition: all 0.2s ease;
  outline: none;
}

.dialog-confirm-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.3);
}

.dialog-confirm-btn:active {
  transform: translateY(1px);
}

/* =============================================
   COUPON PURCHASE PAGE
   ============================================= */

/* Nav hot link */
.nav-link-hot {
  color: var(--accent-gold) !important;
  font-weight: 700 !important;
  position: relative;
}
.nav-link-hot::after {
  content: 'HOT';
  position: absolute;
  top: -8px;
  right: -20px;
  background: linear-gradient(135deg, #FF6B35, #FF3D71);
  color: #fff;
  font-size: 0.5rem;
  font-weight: 900;
  padding: 1px 4px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

/* Page wrapper */
.coupon-page-wrapper {
  padding-top: var(--nav-h);
}

/* ---- Hero ---- */
.coupon-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.coupon-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(255,215,0,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 80% 60%, rgba(123,108,255,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(0,212,255,0.1) 0%, transparent 60%),
    var(--bg-primary);
}
.coupon-hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 60px, rgba(255,255,255,0.02) 60px, rgba(255,255,255,0.02) 61px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(255,255,255,0.02) 60px, rgba(255,255,255,0.02) 61px);
}
.coupon-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  max-width: 760px;
}
.coupon-badge-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.coupon-tag-hot {
  background: linear-gradient(135deg, #FF6B35, #FF3D71);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  animation: coupon-pulse 2s ease-in-out infinite;
}
.coupon-tag-sub {
  background: rgba(255,255,255,0.08);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.1);
}
@keyframes coupon-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,53,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(255,107,53,0); }
}
.coupon-hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 1.5rem;
}
.coupon-price-from {
  color: var(--text-muted);
  text-decoration: line-through;
  font-size: 0.55em;
}
.coupon-price-arrow {
  color: var(--accent-gold);
  font-size: 0.5em;
  animation: arrow-bounce 1s ease-in-out infinite;
}
@keyframes arrow-bounce {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}
.coupon-price-to {
  background: linear-gradient(135deg, #FFD700, #FF9900);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(255,215,0,0.4));
}
.coupon-hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.coupon-hero-sub strong { color: var(--accent-gold); }
.coupon-hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---- Buttons ---- */
.coupon-buy-btn {
  background: linear-gradient(135deg, #FFD700, #FF9900);
  color: #1a1000;
  border: none;
  border-radius: 10px;
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  font-family: var(--font);
  letter-spacing: -0.01em;
  transition: all 0.2s;
  box-shadow: 0 4px 24px rgba(255,215,0,0.35);
}
.coupon-buy-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,215,0,0.5);
}
.coupon-buy-btn:active { transform: translateY(0); }
.coupon-learn-btn {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}
.coupon-learn-btn:hover { color: var(--accent); }

/* ---- Section common ---- */
.coupon-section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 2rem;
}
.coupon-value-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}
.coupon-value-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.coupon-value-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 3rem;
  max-width: 560px;
}

/* ---- Value Props Grid ---- */
.coupon-value-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.coupon-props-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.coupon-prop-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  transition: all 0.25s;
}
.coupon-prop-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  background: var(--bg-card-hover);
}
.coupon-prop-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.coupon-prop-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.coupon-prop-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- Purchase Section ---- */
.coupon-purchase-section { background: var(--bg-primary); }
.coupon-buy-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Ticket Card */
.coupon-ticket {
  display: flex;
  align-items: stretch;
  background: linear-gradient(135deg, rgba(255,215,0,0.12), rgba(255,153,0,0.08));
  border: 1.5px solid rgba(255,215,0,0.3);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 2rem;
  position: relative;
  box-shadow: 0 0 40px rgba(255,215,0,0.1);
}
.coupon-ticket-left {
  flex: 0 0 40%;
  background: linear-gradient(135deg, rgba(255,215,0,0.2), rgba(255,153,0,0.15));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  border-right: 2px dashed rgba(255,215,0,0.25);
}
.coupon-ticket-amount {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #FFD700, #FF9900);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.coupon-ticket-label {
  font-size: 0.7rem;
  color: rgba(255,215,0,0.6);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}
.coupon-ticket-divider {
  position: relative;
  width: 0;
}
.coupon-ticket-hole {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--bg-primary);
  border-radius: 50%;
  left: -10px;
}
.coupon-ticket-hole.top { top: -10px; }
.coupon-ticket-hole.bottom { bottom: -10px; }
.coupon-ticket-right {
  flex: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
}
.coupon-ticket-condition {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.coupon-ticket-price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.coupon-ticket-note {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Terms list */
.coupon-terms {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.coupon-terms li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.coupon-terms strong { color: var(--text-primary); }

/* Buy form */
.coupon-buy-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.coupon-buy-form h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}
.coupon-buy-form-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.coupon-login-prompt { display: flex; flex-direction: column; gap: 0.75rem; }
.coupon-logged-area { display: flex; flex-direction: column; gap: 1rem; }

/* Pay channel items */
.coupon-pay-channels {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.coupon-channel-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.coupon-channel-item:hover {
  border-color: rgba(255,215,0,0.3);
  color: var(--text-primary);
}
.coupon-channel-item.selected {
  border-color: var(--accent-gold);
  background: rgba(255,215,0,0.06);
  color: var(--text-primary);
  font-weight: 600;
}
.coupon-channel-item input { accent-color: var(--accent-gold); }

/* Checkout box */
.coupon-checkout-box {
  margin-top: 1.25rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}
.coupon-checkout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.coupon-checkout-title {
  font-weight: 700;
  font-size: 0.95rem;
}
.coupon-status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  background: rgba(255,215,0,0.15);
  color: var(--accent-gold);
  border: 1px solid rgba(255,215,0,0.3);
  letter-spacing: 0.04em;
}
.coupon-status-badge.paid {
  background: rgba(0,232,157,0.12);
  color: var(--accent-green);
  border-color: rgba(0,232,157,0.3);
}
.coupon-checkout-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}
.coupon-checkout-row:last-of-type { border-bottom: none; }

/* Success box */
.coupon-success-box {
  margin-top: 1.25rem;
  background: linear-gradient(135deg, rgba(0,232,157,0.08), rgba(0,212,255,0.06));
  border: 1px solid rgba(0,232,157,0.25);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
}
.coupon-success-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.coupon-success-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--accent-green);
  margin-bottom: 0.75rem;
}
.coupon-code-display {
  font-family: monospace;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: rgba(0,0,0,0.3);
  border: 1.5px dashed rgba(0,232,157,0.4);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--accent-green);
  margin-bottom: 0.75rem;
  word-break: break-all;
}
.coupon-success-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.coupon-copy-btn {
  background: linear-gradient(135deg, var(--accent-green), var(--accent));
  color: var(--bg-primary);
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}
.coupon-copy-btn:hover { transform: translateY(-1px); }
.coupon-simulate-btn {
  margin-top: 0.75rem;
  width: 100%;
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 0.6rem;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}
.coupon-simulate-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* ---- FAQ ---- */
.coupon-faq-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.coupon-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2.5rem;
}
.coupon-faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.coupon-faq-item:hover { border-color: var(--border-accent); }
.coupon-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}
.faq-chevron {
  font-size: 0.65rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.coupon-faq-item.open .faq-chevron { transform: rotate(180deg); }
.coupon-faq-a {
  display: none;
  padding: 0 1.25rem 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border);
}
.coupon-faq-item.open .coupon-faq-a { display: block; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .coupon-buy-panel {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .coupon-ticket {
    flex-direction: column;
  }
  .coupon-ticket-left {
    border-right: none;
    border-bottom: 2px dashed rgba(255,215,0,0.25);
    padding: 1.5rem;
  }
  .coupon-ticket-hole { display: none; }
  .coupon-hero-title { flex-direction: column; gap: 0.5rem; }
  .nav-link-hot::after { display: none; }
}