/* ==========================================================
   19-加拿大28数据走势预测 · 全站样式（蓝色主色 #2563eb · 玻璃导航）
   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:#2563eb;color:#fff;font-weight:600;padding:.75rem 1.5rem;border-radius:.75rem;box-shadow:0 10px 25px -5px rgba(37,99,235,.45);transition:all .25s}
.btn-primary:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 14px 30px -6px rgba(37,99,235,.55)}
.btn-secondary{display:inline-flex;align-items:center;gap:.5rem;background:#fff;color:#334155;font-weight:600;padding:.75rem 1.5rem;border-radius:.75rem;border:1px solid #e2e8f0;transition:all .25s}
.btn-secondary:hover{border-color:#93c5fd;color:#2563eb;transform:translateY(-2px)}
.btn-glass{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.08);color:#fff;font-weight:600;padding:.75rem 1.5rem;border-radius:.75rem;border:1px solid rgba(255,255,255,.22);transition:all .25s}
.btn-glass:hover{background:rgba(255,255,255,.16);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:#eff6ff;color:#2563eb;font-size:.75rem;font-weight:600;letter-spacing:.08em}
.sec-tag.on-dark{background:rgba(255,255,255,.1);color:#bfdbfe}

/* ── 玻璃导航 ── */
.nav-link{padding:.5rem 1rem;border-radius:9999px;font-weight:500;transition:all .2s;color:#475569}
.nav-link:hover{background:rgba(37,99,235,.08);color:#2563eb}
.nav-link.active{background:rgba(37,99,235,.12);color:#2563eb}

/* ── 首页深色 Hero ── */
.hero-dark{background:linear-gradient(160deg,#0f172a 0%,#172554 48%,#1e3a8a 100%);position:relative;overflow:hidden}
.hero-dark::after{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(96,165,250,.14) 1.5px,transparent 1.5px);background-size:28px 28px;pointer-events:none;mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 40%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 40%,transparent 100%)}

/* ── 内页顶部横幅（深蓝渐变） ── */
.page-hero{background:linear-gradient(135deg,#172554 0%,#1d4ed8 70%,#0891b2 130%);position:relative;overflow:hidden}
.page-hero::after{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1.5px,transparent 1.5px);background-size:26px 26px;pointer-events:none}

/* ── 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:#dbeafe;color:#1d4ed8}
.badge-small{background:#ffe4e6;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,#3b82f6,#2563eb);color:#fff;font-weight:700;box-shadow:0 4px 10px -2px rgba(37,99,235,.45)}

/* ── 分布条 ── */
.dist-track{display:flex;gap:2px;height:10px;border-radius:9999px;overflow:hidden}
.dist-seg{height:100%;border-radius:9999px;transition:width .7s ease}
.dist-pos{background:#2563eb}
.dist-neg{background:#e11d48}
.sw{width:8px;height:8px;border-radius:9999px;display:inline-block}

/* ── 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:#eff6ff}

/* ── 置信度仪表 ── */
.meter-track{background:#dbeafe;border-radius:9999px;overflow:hidden}
.meter-fill{background:#2563eb;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}

/* ── 走势条形图 ── */
.bar{width:16px;border-radius:4px 4px 0 0;background:#2563eb;transition:background .2s,opacity .2s;cursor:pointer}
.bar:hover{background:#1d4ed8}
.bar.max{background:#1e40af}
.bar-tip{position:absolute;z-index:20;pointer-events:none;background:#0f172a;color:#fff;font-size:.75rem;padding:.35rem .6rem;border-radius:.5rem;white-space:nowrap;transform:translate(-50%,-100%);margin-top:-8px;box-shadow:0 8px 16px rgba(2,6,23,.25)}

/* ── 描边特性卡 ── */
.feat-border{border:2px solid #f1f5f9;transition:all .3s}
.feat-border:hover{border-color:#93c5fd;box-shadow:0 20px 35px -15px rgba(37,99,235,.18)}

/* ── 渐变统计带 ── */
.stats-grad{background:linear-gradient(120deg,#1d4ed8 0%,#0284c7 60%,#0891b2 100%)}

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