:root {
  --alk5-primary: #6b2a74;
  --alk5-primary-hover: #863591;
  --alk5-accent: #9db83a;
  --alk5-bg: #0a080d;
  --alk5-panel: #15121b;
  --alk5-panel-alt: #1e1926;
  --alk5-border: #2a2435;
  --alk5-text: #e2dfe6;
  --alk5-text-mut: #a39ca8;
  --alk5-font-disp: 'Poppins', sans-serif;
  --alk5-font-body: 'Nunito', sans-serif;
  --alk5-rad: 20px 6px 20px 6px;
  --alk5-rad-sm: 12px 4px 12px 4px;
  --alk5-rad-pill: 50px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  background: var(--alk5-bg);
  color: var(--alk5-text);
  font-family: var(--alk5-font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
@media(min-width: 768px) {
  body { font-size: 16px; }
}
a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--alk5-font-disp);
  color: #ffffff;
  line-height: 1.3;
  font-weight: 700;
}

/* Layout */
.alk5-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
}

/* Sidebar */
.alk5-sidebar {
  background: var(--alk5-panel);
  padding: 1.25rem;
  border-bottom: 1px solid var(--alk5-border);
  display: flex;
  flex-direction: column;
}
.alk5-logo-wrap {
  margin-bottom: 1.5rem;
  text-align: center;
}
.alk5-logo {
  font-family: var(--alk5-font-disp);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--alk5-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(157, 184, 58, 0.2);
}
.alk5-nav {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0.75rem;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}
.alk5-nav::-webkit-scrollbar { display: none; }
.alk5-nav-item {
  padding: 0.75rem 1.25rem;
  background: var(--alk5-panel-alt);
  border-radius: var(--alk5-rad-sm);
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  border: 1px solid transparent;
}
.alk5-nav-item:hover {
  background: var(--alk5-primary);
  color: #fff;
  border-color: var(--alk5-primary-hover);
}
.alk5-sidebar-promo {
  display: none;
}

/* Main Content */
.alk5-main {
  flex: 1;
  padding: 1rem;
  width: 100%;
  max-width: 100%;
}

/* Ticker */
.alk5-topbar {
  margin-bottom: 1.5rem;
}
.alk5-ticker-wrapper {
  background: var(--alk5-panel);
  border-radius: var(--alk5-rad-sm);
  padding: 0.75rem 1rem;
  overflow: hidden;
  border: 1px solid var(--alk5-border);
  display: flex;
  align-items: center;
}
.alk5-ticker-track {
  display: inline-flex;
  white-space: nowrap;
  animation: alk5-ticker-anim 30s linear infinite;
}
.alk5-ticker-item {
  padding-right: 2rem;
  font-size: 13px;
  font-weight: 600;
  color: var(--alk5-accent);
}
@keyframes alk5-ticker-anim {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Hero */
.alk5-hero {
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, var(--alk5-primary) 0%, #29102d 100%);
  border-radius: var(--alk5-rad);
  overflow: hidden;
  margin-bottom: 2rem;
  position: relative;
}
.alk5-hero-content {
  padding: 2rem 1.5rem;
  z-index: 2;
}
.alk5-hero-slogan {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  color: #fff;
}
.alk5-hero-desc {
  font-size: 15px;
  color: #f0f0f0;
  opacity: 0.9;
}
.alk5-hero-img-wrap {
  width: 100%;
  height: 200px;
}
.alk5-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.7;
  mix-blend-mode: luminosity;
}

/* Stats */
.alk5-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.alk5-stat-card {
  background: var(--alk5-panel);
  padding: 1.25rem;
  border-radius: var(--alk5-rad-sm);
  border: 1px solid var(--alk5-border);
  text-align: center;
}
.alk5-stat-val {
  font-family: var(--alk5-font-disp);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--alk5-accent);
  margin-bottom: 0.25rem;
}
.alk5-stat-lbl {
  font-size: 13px;
  color: var(--alk5-text-mut);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Panels */
.alk5-panel {
  background: var(--alk5-panel);
  border-radius: var(--alk5-rad);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--alk5-border);
}
.alk5-panel-title {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  border-left: 4px solid var(--alk5-accent);
  padding-left: 0.75rem;
}

/* Chips */
.alk5-chips-wrap {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  margin-bottom: 0.5rem;
  scrollbar-width: none;
}
.alk5-chips-wrap::-webkit-scrollbar { display: none; }
.alk5-chip {
  background: var(--alk5-bg);
  color: var(--alk5-text);
  border: 1px solid var(--alk5-border);
  padding: 0.5rem 1rem;
  border-radius: var(--alk5-rad-pill);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  font-family: var(--alk5-font-body);
}
.alk5-chip:hover {
  border-color: var(--alk5-accent);
  color: var(--alk5-accent);
}
.alk5-chip-active {
  background: var(--alk5-accent);
  color: #000;
  border-color: var(--alk5-accent);
}

/* Card Grid */
.alk5-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}
.alk5-card {
  background: var(--alk5-panel-alt);
  border-radius: var(--alk5-rad-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--alk5-border);
}
.alk5-card:hover {
  transform: translateY(-4px);
  border-color: var(--alk5-primary);
  box-shadow: 0 4px 15px rgba(107, 42, 116, 0.3);
}
.alk5-card-img-wrap {
  position: relative;
  padding-top: 75%;
}
.alk5-card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.alk5-card-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--alk5-primary);
  color: #fff;
  font-size: 12px;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 700;
}
.alk5-card-body {
  padding: 0.75rem;
}
.alk5-card-title {
  font-size: 14px;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.alk5-card-sub {
  font-size: 12px;
  color: var(--alk5-text-mut);
}

/* Two Col Sections */
.alk5-two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.alk5-benefit-list {
  list-style: none;
}
.alk5-benefit-list li {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.alk5-benefit-icon {
  color: var(--alk5-accent);
  font-size: 1.25rem;
}
.alk5-benefit-list strong {
  display: block;
  font-family: var(--alk5-font-disp);
  font-size: 15px;
  margin-bottom: 0.25rem;
  color: #fff;
}
.alk5-benefit-list p {
  font-size: 14px;
  color: var(--alk5-text-mut);
}

.alk5-steps-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.alk5-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--alk5-panel-alt);
  padding: 1rem;
  border-radius: var(--alk5-rad-sm);
  border: 1px solid var(--alk5-border);
}
.alk5-step-num {
  background: var(--alk5-primary);
  color: #fff;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-family: var(--alk5-font-disp);
  font-weight: 700;
  flex-shrink: 0;
}
.alk5-step-info strong {
  display: block;
  font-size: 15px;
  color: #fff;
  margin-bottom: 0.2rem;
}
.alk5-step-info p {
  font-size: 13px;
  color: var(--alk5-text-mut);
}

/* Payments */
.alk5-payment-desc {
  font-size: 14px;
  margin-bottom: 1rem;
  color: var(--alk5-text-mut);
}
.alk5-payments-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.alk5-payment-tag {
  background: var(--alk5-bg);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  border: 1px dashed var(--alk5-border);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

/* Article */
.alk5-article-panel {
  background: #110e16;
}
.alk5-article {
  color: #dcdadd;
}
.alk5-article h2, .alk5-article h3, .alk5-article h4 {
  color: var(--alk5-accent);
  margin: 1.75em 0 0.75em;
}
.alk5-article h2 { font-size: 1.5rem; }
.alk5-article h3 { font-size: 1.25rem; }
.alk5-article p {
  margin-bottom: 1.25em;
}
.alk5-article ul, .alk5-article ol {
  margin: 0 0 1.25em 1.5em;
}
.alk5-article li {
  margin-bottom: 0.5em;
}
.alk5-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  display: block;
  overflow-x: auto;
}
.alk5-article th, .alk5-article td {
  border: 1px solid var(--alk5-border);
  padding: 0.75rem 1rem;
  text-align: left;
}
.alk5-article th {
  background: var(--alk5-primary);
  color: #fff;
  font-weight: 600;
  white-space: nowrap;
}
.alk5-article blockquote {
  border-left: 4px solid var(--alk5-primary);
  padding-left: 1rem;
  margin: 1.5em 0;
  font-style: italic;
  color: var(--alk5-text-mut);
  background: rgba(107, 42, 116, 0.1);
  padding: 1rem;
  border-radius: 0 8px 8px 0;
}
.alk5-article img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1em 0;
}

/* Page Elements */
.alk5-page-header {
  margin-bottom: 2rem;
}
.alk5-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 13px;
  margin-bottom: 1rem;
  color: var(--alk5-text-mut);
}
.alk5-crumb {
  color: var(--alk5-accent);
}
.alk5-crumb::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--alk5-text-mut);
}
.alk5-crumb:last-child::after {
  display: none;
}
.alk5-page-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
.alk5-meta-desc {
  font-size: 15px;
  color: var(--alk5-text-mut);
}

/* FAQ */
.alk5-faq-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.alk5-faq-item {
  background: var(--alk5-panel-alt);
  border-radius: var(--alk5-rad-sm);
  border: 1px solid var(--alk5-border);
  overflow: hidden;
}
.alk5-faq-q {
  padding: 1rem;
  font-family: var(--alk5-font-disp);
  font-weight: 600;
  cursor: pointer;
  color: #fff;
  list-style: none;
  position: relative;
}
.alk5-faq-q::-webkit-details-marker { display: none; }
.alk5-faq-q::after {
  content: '+';
  position: absolute;
  right: 1rem;
  color: var(--alk5-accent);
  font-size: 1.25rem;
}
.alk5-faq-item[open] .alk5-faq-q::after {
  content: '-';
}
.alk5-faq-a {
  padding: 0 1rem 1rem;
  font-size: 15px;
  color: var(--alk5-text-mut);
}

/* Pager */
.alk5-pager-wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}
.alk5-pager-btn {
  background: var(--alk5-panel);
  border: 1px solid var(--alk5-border);
  padding: 0.75rem 1.25rem;
  border-radius: var(--alk5-rad-sm);
  font-weight: 600;
  color: #fff;
  font-size: 14px;
}
.alk5-pager-btn:hover {
  background: var(--alk5-primary);
  border-color: var(--alk5-primary-hover);
}

/* Footer */
.alk5-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--alk5-border);
  padding-top: 2rem;
  text-align: center;
}
.alk5-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.alk5-footer-links a {
  font-size: 14px;
  color: var(--alk5-accent);
  font-weight: 600;
}
.alk5-footer-links a:hover {
  text-decoration: underline;
}
.alk5-footer-legal {
  font-size: 13px;
  color: var(--alk5-text-mut);
  margin-bottom: 1rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.alk5-footer-year {
  font-size: 13px;
  color: #666;
  font-weight: 600;
}

/* Scroll Anim */
.alk5-scroll-anim {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.alk5-scroll-anim.alk5-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Desktop Breakpoint */
@media (min-width: 1024px) {
  .alk5-layout {
    flex-direction: row;
  }
  .alk5-sidebar {
    width: 260px;
    height: 100vh;
    position: sticky;
    top: 0;
    border-bottom: none;
    border-right: 1px solid var(--alk5-border);
  }
  .alk5-logo-wrap {
    text-align: left;
    margin-bottom: 2rem;
  }
  .alk5-nav {
    flex-direction: column;
    overflow-x: visible;
  }
  .alk5-nav-item {
    white-space: normal;
  }
  .alk5-sidebar-promo {
    display: block;
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--alk5-border);
  }
  .alk5-promo-title {
    font-size: 14px;
    color: var(--alk5-accent);
    margin-bottom: 0.5rem;
  }
  .alk5-promo-text {
    font-size: 12px;
    color: var(--alk5-text-mut);
    line-height: 1.5;
  }
  .alk5-main {
    padding: 2rem 3rem;
    max-width: calc(100% - 260px);
  }
  .alk5-hero {
    flex-direction: row;
    align-items: center;
  }
  .alk5-hero-content {
    flex: 1;
    padding: 3rem;
  }
  .alk5-hero-slogan {
    font-size: 2.5rem;
  }
  .alk5-hero-img-wrap {
    width: 45%;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;
  }
  .alk5-hero-img {
    height: 100%;
    mask-image: linear-gradient(to right, transparent, black 40%);
    -webkit-mask-image: linear-gradient(to right, transparent, black 40%);
  }
  .alk5-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .alk5-card-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
  .alk5-two-col {
    grid-template-columns: 1fr 1fr;
  }
}

/* v2fix-center: 扫查发现内容列未居中（margin 冲突/缺失）*/
div.alk5-hero.alk5-scroll-anim,
div.alk5-page-header.alk5-scroll-anim,
div.alk5-stats-grid.alk5-scroll-anim,
div.alk5-two-col,
footer.alk5-footer,
section.alk5-panel.alk5-scroll-anim
{margin-inline:auto !important;}