/* ==========================================================================
   home.css — 首页专用样式
   ========================================================================== */

/* === Hero === */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  gap: var(--sp-7);
  align-items: end;
}
.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hero-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.9);
  font-weight: var(--fw-semibold);
}
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.7);
}
.status-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 0 6px rgba(0, 204, 255, 0.16);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.flow-list {
  display: grid;
  gap: var(--sp-3);
}
.flow-item {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: var(--sp-3);
  align-items: center;
  padding: var(--sp-3);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--duration-base) var(--ease);
}
.flow-item:hover { background: rgba(255, 255, 255, 0.10); }
.flow-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: rgba(0, 204, 255, 0.18);
  color: #A5F3FC;
  font-weight: var(--fw-black);
  font-size: var(--fs-sm);
}
.flow-item b {
  display: block;
  color: white;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  margin-bottom: 2px;
}
.flow-item small {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-xs);
}
.flow-item .badge {
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  background: rgba(255, 255, 255, 0.12);
  color: white;
  white-space: nowrap;
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
}

/* === Pain === */
.pain-section { background: var(--color-bg); }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.pain-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-base) var(--ease), box-shadow var(--duration-base) var(--ease);
}
.pain-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-cta);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease);
}
.pain-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.pain-card:hover::before { opacity: 1; }
.pain-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #F0E8FF 0%, #E0F7FF 100%);
  color: var(--color-purple);
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-4);
}
.pain-icon svg { width: 22px; height: 22px; }
.pain-card h3 {
  font-size: var(--fs-md);
  margin: 0 0 var(--sp-2);
  color: var(--color-ink);
}
.pain-card p {
  color: var(--color-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .pain-grid { grid-template-columns: 1fr; }
}

/* === Factions === */
.factions-section { background: var(--color-bg-2); }
.factions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.faction-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-base) var(--ease);
}
.faction-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent, var(--color-purple));
}
.faction-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.faction-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.faction-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--accent-bg, #F0E8FF);
  color: var(--accent, var(--color-purple));
  display: grid;
  place-items: center;
}
.faction-icon svg { width: 24px; height: 24px; }
.faction-card h3 {
  font-size: var(--fs-lg);
  margin: 0 0 2px;
  color: var(--color-ink);
}
.faction-card .faction-tagline {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}
.faction-card p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: var(--sp-4);
  line-height: 1.7;
}
.faction-members {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}
.faction-members li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--color-bg-2);
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  color: var(--color-text);
  font-weight: var(--fw-medium);
}
.faction-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-purple);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
}
.faction-link:hover { gap: 8px; color: var(--color-navy); }
@media (max-width: 768px) {
  .factions-grid { grid-template-columns: 1fr; }
}

/* === Solutions === */
.solutions-section { background: var(--color-bg); }
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.solution-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  transition: all var(--duration-base) var(--ease);
  position: relative;
  overflow: hidden;
}
.solution-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: var(--gradient-cta);
  opacity: 0;
  border-radius: 50%;
  transform: translate(40%, -40%);
  transition: opacity var(--duration-base) var(--ease);
}
.solution-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-purple);
}
.solution-card:hover::after { opacity: 0.08; }
.solution-no {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-purple);
  font-weight: var(--fw-bold);
  margin-bottom: var(--sp-2);
  letter-spacing: 1px;
}
.solution-card h3 {
  font-size: var(--fs-md);
  margin: 0 0 var(--sp-2);
  color: var(--color-ink);
}
.solution-card .solution-tagline {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  margin-bottom: var(--sp-3);
}
.solution-card p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.7;
  flex: 1;
}
.solution-meta {
  display: flex;
  justify-content: space-between;
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px dashed var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-light);
}
.solution-meta strong { color: var(--color-navy); font-weight: var(--fw-semibold); }
@media (max-width: 1024px) { .solutions-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .solutions-grid { grid-template-columns: 1fr; } }

/* === Methodology === */
.methodology-section {
  background: var(--gradient-hero);
  color: white;
  position: relative;
  overflow: hidden;
}
.methodology-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(0, 204, 255, 0.18) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(122, 44, 255, 0.24) 0%, transparent 50%);
  pointer-events: none;
}
.methodology-section > * { position: relative; }
.methodology-section .section-head h2 { color: white; }
.methodology-section .section-head p { color: rgba(255, 255, 255, 0.8); }
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.method-step {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
}
.method-step-no {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: var(--fw-black);
  background: var(--gradient-cta);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: var(--sp-3);
}
.method-step h3 {
  font-size: var(--fs-lg);
  color: white;
  margin: 0 0 var(--sp-2);
}
.method-step p {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}
@media (max-width: 768px) { .method-grid { grid-template-columns: 1fr; } }

/* === Alliance === */
/* === CTA === */
.cta-section {
  background: var(--color-bg);
  padding: var(--sp-9) 0;
}
.cta-card {
  background: var(--gradient-hero);
  color: white;
  border-radius: var(--radius-xl);
  padding: var(--sp-8) var(--sp-7);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(0, 204, 255, 0.3) 0%, transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(122, 44, 255, 0.4) 0%, transparent 50%);
  pointer-events: none;
}
.cta-card > * { position: relative; }
.cta-card h2 {
  color: white;
  font-size: var(--fs-3xl);
  margin: 0 0 var(--sp-3);
}
.cta-card p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto var(--sp-6);
  font-size: var(--fs-md);
}
.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

/* ==========================================================================
   5-STAGE PRODUCT SYSTEM (Solutions section)
   ========================================================================== */

/* 阶段诊断 */
.diag-section {
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #f0f9ff 100%);
  border-radius: var(--radius-xl);
  padding: var(--sp-7) var(--sp-7);
  margin-bottom: var(--sp-8);
  border: 1px solid rgba(5, 150, 105, 0.12);
}
.diag-title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: 6px;
}
.diag-sub {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--color-purple);
  margin-bottom: var(--sp-5);
  line-height: 1.6;
}
.diag-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-3);
}
.diag-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-4) var(--sp-3);
  border: 1px solid var(--color-border);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.diag-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.diag-card.diag-featured {
  border-color: rgba(245, 158, 11, 0.3);
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
}
.diag-status {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.diag-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.diag-name {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin-bottom: 8px;
  line-height: 1.25;
}
.diag-desc {
  font-size: 12.5px;
  color: var(--color-text);
  line-height: 1.55;
  margin-bottom: auto;
}
.diag-arrow {
  font-size: 18px;
  color: var(--color-purple);
  opacity: 0.4;
  margin: 8px 0 6px;
  text-align: center;
}
.diag-product {
  font-size: 12px;
  color: var(--color-purple);
  font-weight: var(--fw-semibold);
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px dashed var(--color-border);
  line-height: 1.4;
}
.diag-hot { color: #f59e0b; font-weight: 700; }

/* 版本对比表 */
.compare-section {
  margin-bottom: var(--sp-8);
}
.compare-section-head {
  margin-bottom: var(--sp-5);
}
.compare-section-head h3 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin: 0 0 6px;
}
.compare-section-head p {
  font-size: var(--fs-base);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
  max-width: 700px;
}
.compare-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.compare-table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--color-surface);
}
.compare-table thead th {
  background: var(--gradient-hero);
  color: white;
  padding: 14px 12px;
  text-align: center;
  font-weight: var(--fw-semibold);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.compare-table thead th:first-child {
  text-align: left;
  border-top-left-radius: var(--radius-lg);
}
.compare-table thead th:last-child {
  border-top-right-radius: var(--radius-lg);
}
.compare-table thead th.col-feature {
  background: #1a1f4a;
}
.compare-table thead th.featured-col {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  position: relative;
}
.compare-table tbody tr {
  transition: background 0.15s;
  border-bottom: 1px solid var(--color-border);
}
.compare-table tbody tr:hover { background: #fafbfc; }
.compare-table tbody tr:last-child { border-bottom: none; }
.compare-table td {
  padding: 13px 14px;
  vertical-align: middle;
  color: var(--color-text);
  line-height: 1.55;
  font-weight: 400;
  font-size: 13px;
  text-align: center;
}
.compare-table td.feature-cell {
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
  font-size: 13px;
  white-space: nowrap;
  background: var(--color-bg-2);
  text-align: left;
}
.compare-table td.featured-col {
  background: rgba(245, 158, 11, 0.06);
  font-weight: 500;
}
.compare-table td.sub-item {
  font-weight: 500;
  color: var(--color-text);
  font-size: 12.5px;
  background: #fafbfd;
  padding-left: 28px;
  text-align: left;
  white-space: normal;
}
.compare-table td.cat-header {
  background: var(--color-bg-2);
  color: var(--color-ink);
  font-weight: var(--fw-bold);
  font-size: 12px;
  text-align: left;
  padding: 10px 14px;
  text-transform: none;
  letter-spacing: 0;
  border-top: 2px solid var(--color-border);
}
.compare-table td.highlight-val {
  color: #f59e0b;
  font-weight: var(--fw-bold);
  font-size: 14px;
}
.compare-table td.ct-check {
  color: #059669;
  font-weight: var(--fw-semibold);
}
.compare-table td.ct-cross {
  color: #cbd5e1;
  font-weight: 500;
}
.compare-table td.ct-partial {
  color: #6366f1;
  font-weight: 500;
}

/* 详细 tier 卡片 */
.tier-section { margin-bottom: var(--sp-8); }
.tier-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: var(--sp-5);
}
.tier-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.tier-card.featured {
  border-color: #f59e0b;
  border-width: 2px;
  background: linear-gradient(135deg, #fffbeb 0%, #ffffff 100%);
  position: relative;
}
.tier-card.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #f59e0b, #ea580c);
}
.tier-card-body {
  padding: var(--sp-5) var(--sp-6);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--sp-5);
  align-items: start;
}
.tier-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: white;
  background: linear-gradient(135deg, #64748b, #94a3b8);
  padding: 9px 16px;
  border-radius: var(--radius);
  white-space: nowrap;
  align-self: start;
}
.tier-badge.entry    { background: linear-gradient(135deg, #64748b, #94a3b8); }
.tier-badge.base     { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.tier-badge.hot      { background: linear-gradient(135deg, #f59e0b, #ea580c); }
.tier-badge.premium  { background: linear-gradient(135deg, #7c3aed, #db2777); }
.tier-badge.enterprise { background: linear-gradient(135deg, #059669, #0891b2); }

.tier-title {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.tier-product-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-purple);
  margin-bottom: 10px;
}
.tier-desc {
  font-size: 13.5px;
  color: var(--color-text);
  line-height: 1.7;
}
.tier-specs {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.spec-pill {
  font-size: 12px;
  color: var(--color-muted);
  background: var(--color-bg-2);
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}
.spec-pill.maturity { font-weight: var(--fw-semibold); }
.spec-pill.highlight {
  background: linear-gradient(135deg, rgba(245,158,11,.1), rgba(234,88,12,.1));
  color: #b45309;
  border-color: rgba(245, 158, 11, 0.3);
  font-weight: var(--fw-bold);
}

.process-flow {
  margin-top: 14px;
  background: var(--color-bg-2);
  border-radius: var(--radius);
  padding: 14px 18px;
  border: 1px solid var(--color-border);
}
.process-flow-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.process-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: center;
  font-size: 13px;
  color: var(--color-text);
}
.process-arrow {
  color: var(--color-purple);
  font-weight: 700;
  font-size: 13px;
}

.deliverables {
  margin-top: 14px;
  background: linear-gradient(135deg, #f0fdf4 0%, #f7fee7 100%);
  border: 1px solid rgba(5, 150, 105, 0.18);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.deliverables-label {
  font-size: 11px;
  font-weight: 700;
  color: #065f46;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.deliverables-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.deliverables-list li {
  font-size: 13px;
  color: var(--color-text);
  list-style: none;
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}
.deliverables-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #059669;
  font-weight: 700;
  font-size: 12px;
}

.tier-price-area {
  text-align: right;
  white-space: nowrap;
}
.tier-price-label {
  font-size: 11px;
  color: var(--color-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.tier-price-val {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.tier-price-val.tier-price-hot { color: #f59e0b; }
.tier-price-unit {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 400;
}
.tier-stars {
  color: #f59e0b;
  margin-top: 6px;
  letter-spacing: 2px;
  font-size: 14px;
}
.tier-stars.tier-stars-mute { color: #cbd5e1; }
.tier-note {
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--color-muted);
  line-height: 1.5;
  max-width: 200px;
  margin-left: auto;
  background: var(--color-bg-2);
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px dashed var(--color-border);
}
.tier-note strong { color: var(--color-ink); }

/* Update Banner */
.update-banner {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
  color: #e0e7ff;
  padding: var(--sp-7) var(--sp-6);
  text-align: center;
  border-radius: var(--radius-lg);
  margin-top: var(--sp-6);
  position: relative;
  overflow: hidden;
}
.update-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(122, 44, 255, 0.18) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(0, 204, 255, 0.12) 0%, transparent 50%);
  pointer-events: none;
}
.update-banner-inner { position: relative; max-width: 720px; margin: 0 auto; }
.update-banner h2 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: white;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.35;
}
.update-banner p {
  font-size: 14.5px;
  color: #a5b4fc;
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 18px;
}
.update-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.update-tag {
  font-size: 12px;
  color: #c7d2fe;
  background: rgba(255, 255, 255, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all 0.2s;
}
.update-tag:hover {
  background: rgba(255, 255, 255, 0.14);
  color: white;
}

/* Responsive */
@media (max-width: 1024px) {
  .diag-grid { grid-template-columns: repeat(3, 1fr); }
  .tier-card-body { grid-template-columns: 1fr; gap: var(--sp-4); }
  .tier-price-area {
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  .tier-note { max-width: 100%; margin-left: 0; }
}
@media (max-width: 768px) {
  .diag-section { padding: var(--sp-5); }
  .diag-grid { grid-template-columns: 1fr; }
  .diag-card { padding: var(--sp-4); }
  .compare-table { font-size: 12px; }
  .compare-table td,
  .compare-table th { padding: 10px 8px; }
  .update-banner { padding: var(--sp-5) var(--sp-4); }
  .update-banner h2 { font-size: var(--fs-md); }
  .tier-card-body { padding: var(--sp-4); }
}