/* 数据与方法论页（E-E-A-T 权威信号） */
.meth-hero {
  padding: 72px 0 44px;
  background: radial-gradient(ellipse at 30% 0%, rgba(16,185,129,0.12), transparent 60%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.meth-hero h1 { font-size: 40px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.meth-hero__lead { color: var(--color-text-muted,#9CA3AF); font-size: 15px; line-height: 1.8; max-width: 680px; }
.meth-hero__stats { display: flex; gap: 36px; margin-top: 28px; flex-wrap: wrap; }
.meth-stat b { display: block; font-size: 32px; font-weight: 800; color: var(--color-brand-light,#6EE7B7); }
.meth-stat span { font-size: 12px; color: var(--color-text-light,#6B7280); }

.meth-body { padding: 48px 0 80px; }
.meth-block { margin-bottom: 44px; }
.meth-block h2 { font-size: 22px; font-weight: 800; margin-bottom: 14px; color: var(--color-text,#F9FAFB); }
.meth-block p { font-size: 14px; line-height: 1.9; color: var(--color-text-muted,#D1D5DB); margin-bottom: 12px; }
.meth-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 14px 0; }
.meth-table th, .meth-table td { border: 1px solid rgba(255,255,255,0.12); padding: 10px 14px; text-align: left; }
.meth-table th { background: rgba(255,255,255,0.05); font-weight: 600; }
.meth-note { font-size: 12px; color: var(--color-text-light,#6B7280); }
.meth-badge { display: inline-block; padding: 2px 10px; border-radius: 6px; font-size: 12px; }
.meth-badge--l1 { background: rgba(16,185,129,0.15); color: #6EE7B7; }
.meth-badge--l2 { background: rgba(59,130,246,0.15); color: #60A5FA; }
.meth-badge--l3 { background: rgba(245,158,11,0.15); color: #FBBF24; }
.meth-list { padding-left: 20px; }
.meth-list li { font-size: 14px; line-height: 2; color: var(--color-text-muted,#D1D5DB); }
.meth-flow { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 14px; }
.meth-flow__step { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 18px; }
.meth-flow__step b { color: var(--color-brand-light,#6EE7B7); font-size: 15px; }
.meth-flow__step p { font-size: 13px; margin-top: 8px; }
.meth-code {
  background: #0B1220; border: 1px solid rgba(255,255,255,0.1); border-radius: 10px;
  padding: 14px 16px; font-size: 13px; color: var(--color-text-muted,#9CA3AF);
  overflow-x: auto; margin: 12px 0;
}
.meth-cta { margin-top: 40px; padding: 24px; background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.25); border-radius: 14px; text-align: center; }
.meth-cta p { font-size: 15px; margin-bottom: 12px; color: var(--color-text,#F9FAFB); }
.meth-cta a { display: inline-block; color: #fff; background: linear-gradient(135deg,#10B981,#059669); border-radius: 9px; padding: 10px 24px; font-size: 14px; font-weight: 600; text-decoration: none; }
@media (max-width: 720px) { .meth-flow { grid-template-columns: 1fr; } }