/* ==========================================================
   02-PC28精准分析预测 · 全站样式（靛蓝主色）
   与 Tailwind CDN 配合使用，仅包含组件级自定义样式
   ========================================================== */
html{scroll-behavior:smooth}
body{font-family:'-apple-system','BlinkMacSystemFont','PingFang SC','Microsoft YaHei','Helvetica Neue','Arial','sans-serif'}

/* ── 滚动渐入 ── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ── 按钮 ── */
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:#4f46e5;color:#fff;font-weight:600;padding:.75rem 1.5rem;border-radius:9999px;box-shadow:0 10px 25px -5px rgba(79,70,229,.4);transition:all .25s}
.btn-primary:hover{background:#4338ca;transform:translateY(-2px);box-shadow:0 14px 30px -6px rgba(79,70,229,.5)}
.btn-secondary{display:inline-flex;align-items:center;gap:.5rem;background:#fff;color:#334155;font-weight:600;padding:.75rem 1.5rem;border-radius:9999px;border:1px solid #e2e8f0;transition:all .25s}
.btn-secondary:hover{border-color:#6366f1;color:#4f46e5;transform:translateY(-2px)}

/* ── 段落小标签 ── */
.sec-tag{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem 1rem;border-radius:9999px;background:#eef2ff;color:#4f46e5;font-size:.75rem;font-weight:600;letter-spacing:.08em}

/* ── 大小单双徽章 ── */
.badge{display:inline-flex;align-items:center;padding:.15rem .6rem;border-radius:9999px;font-size:.75rem;font-weight:700}
.badge-big{background:#eef2ff;color:#4f46e5}
.badge-small{background:#fff1f2;color:#e11d48}
.hit{color:#059669;font-weight:700}
.miss{color:#941b2f;font-weight:700}

/* ── 开奖球 ── */
.num-ball{display:inline-flex;align-items:center;justify-content:center;border-radius:9999px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-weight:700;box-shadow:0 4px 10px -2px rgba(99,102,241,.4)}

/* ── 导航链接 ── */
.nav-link{transition:all .2s}
.nav-link:hover{background:#eef2ff;color:#4f46e5}
.nav-link.active{background:#4f46e5;color:#fff}

/* ── 数据表格 ── */
.tbl th{font-size:.75rem;font-weight:500;color:#94a3b8;background:#f8fafc;padding:.7rem 1rem;text-align:left;white-space:nowrap}
.tbl td{padding:.65rem 1rem;border-bottom:1px solid #f8fafc;font-size:.875rem;white-space:nowrap}
.tbl tbody tr{transition:background .15s}
.tbl tbody tr:hover{background:#eef2ff}

/* ── 走势图（蓝=大 #4f46e5 · 红=小 #e11d48，已通过 CVD 配色校验） ── */
.chart-bar{width:18px;border-radius:4px 4px 0 0;transition:opacity .15s,transform .15s}
.chart-bar:hover{opacity:.85}
.chart-bar.big{background:#4f46e5}
.chart-bar.small{background:#e11d48}
.chart-tooltip{position:absolute;z-index:40;pointer-events:none;background:#0f172a;color:#fff;font-size:.75rem;line-height:1.5;padding:.45rem .7rem;border-radius:.6rem;box-shadow:0 8px 20px -4px rgba(2,6,23,.35);white-space:nowrap;opacity:0;transition:opacity .15s}
.chart-tooltip.show{opacity:1}
.legend-dot{display:inline-block;width:.625rem;height:.625rem;border-radius:.2rem}
.legend-big{background:#4f46e5}
.legend-small{background:#e11d48}

/* ── 置信度仪表：轨道用同色系浅阶 ── */
.meter-track{background:#e0e7ff;border-radius:9999px;overflow:hidden}
.meter-fill{background:#4f46e5;border-radius:9999px;height:100%;transition:width .7s ease}
.meter-track.on-dark{background:rgba(255,255,255,.2)}
.meter-fill.on-dark{background:#fff}

/* ── FAQ ── */
details summary::-webkit-details-marker{display:none}
details summary{list-style:none}

/* ── 内页页头 ── */
.page-hero{background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%)}

/* ── 评价轮播 ── */
.caro-viewport{overflow:hidden}
.caro-track{display:flex;transition:transform .5s ease}
.caro-dot{width:.5rem;height:.5rem;border-radius:9999px;background:#cbd5e1;border:0;cursor:pointer;padding:0;transition:all .2s}
.caro-dot.on{width:1.4rem;background:#4f46e5}