/* PC 端布局 */
.pc-layout {
  display: flex;
  min-height: calc(100vh - 36px);
  background: var(--bg);
}

.pc-sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 36px;
  height: calc(100vh - 36px);
}

.pc-sidebar .brand {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  min-height: 56px;
}
.pc-sidebar .brand h1 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0;
  color: #fff;
  line-height: 1.2;
}
.pc-sidebar .brand p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 2px;
}

.pc-nav {
  padding: 8px 0 16px;
  flex: 1;
  overflow-y: auto;
}
.pc-nav .nav-group {
  padding: 16px 16px 8px 24px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.45);
  text-transform: none;
}
.pc-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 8px;
  padding: 9px 16px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  border-radius: 6px;
  border: none;
  position: relative;
}
.pc-nav a:hover {
  background: var(--sidebar-hover);
  color: #fff;
}
.pc-nav a.active {
  background: var(--sidebar-active);
  color: #fff;
  border: none;
  box-shadow: none;
}
.pc-nav a.active::before { display: none; }
.pc-nav a .nav-icon {
  width: 14px;
  text-align: center;
  opacity: 0.85;
  font-size: 12px;
}

.pc-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.pc-header {
  height: 56px;
  background: var(--surface);
  border-bottom: none;
  box-shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
  z-index: 10;
}
.pc-header .breadcrumb {
  font-size: 14px;
  color: var(--ink-muted);
}
.pc-header .breadcrumb strong { color: var(--ink); font-weight: 400; }
.pc-header .user-area {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink);
}
.pc-header .avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: 12px;
}

.pc-content {
  flex: 1;
  padding: 16px 24px 24px;
  overflow: auto;
}

.pc-content.view { display: none; }
.pc-content.view.active { display: block; }

/* 官网 — 克制产品站 */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 36px;
  z-index: 100;
}
.site-header-inner {
  max-width: 1120px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.site-logo {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-logo span {
  width: 22px;
  height: 22px;
  background: var(--brand);
  border-radius: 4px;
  display: inline-block;
}
.site-nav { display: flex; gap: 24px; }
.site-nav a {
  color: var(--ink-secondary);
  font-size: 13px;
  font-weight: 500;
}
.site-nav a:hover { color: var(--ink); }

.site-hero {
  position: relative;
  min-height: 0;
  display: flex;
  align-items: center;
  background: #fff;
  color: var(--ink);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.site-hero::after { display: none; }
.site-hero-inner {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: 72px 24px 64px;
  position: relative;
  z-index: 1;
}
.site-hero .brand-name {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--ink);
}
.site-hero .headline {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-secondary);
  margin-bottom: 8px;
}
.site-hero .sub {
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 28px;
  max-width: 480px;
  line-height: 1.7;
}
.site-hero .cta-group { display: flex; gap: 12px; flex-wrap: wrap; }
.site-hero .btn-primary {
  background: var(--brand);
  color: #fff;
}
.site-hero .btn-primary:hover { background: var(--brand-hover); color: #fff; }
.site-hero .btn-ghost {
  border-color: var(--line);
  color: var(--ink-secondary);
}
.site-hero .btn-ghost:hover { background: var(--bg); color: var(--ink); }

.site-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px;
}
.site-section h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
}
.site-section .section-sub {
  color: var(--ink-muted);
  margin-bottom: 28px;
  font-size: 13px;
}
.feature-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.feature-item h3 {
  font-size: 15px;
  margin: 10px 0 8px;
}
.feature-item p {
  font-size: 13px;
  color: var(--ink-secondary);
  line-height: 1.7;
}
.feature-icon {
  width: 32px;
  height: 32px;
  background: var(--brand-light);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--brand);
  font-weight: 600;
}

.site-footer {
  background: var(--brand-dark);
  color: rgba(255, 255, 255, 0.55);
  padding: 32px 24px;
  text-align: center;
  font-size: 12px;
}

.flow-strip {
  background: var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.flow-steps {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.flow-step {
  flex: 1;
  min-width: 100px;
  text-align: left;
  padding: 8px 0;
}
.flow-step .num {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  opacity: 1;
}
.flow-step .name {
  font-size: 13px;
  font-weight: 500;
  margin-top: 4px;
  color: var(--ink);
}

@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-row { grid-template-columns: 1fr; }
  .pc-sidebar { width: 208px; }
  .form-row { grid-template-columns: 1fr; }
}