/* 幸运号码工厂 — 轻快休闲风，浅色主题 */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --ink: #1c2333;
  --ink2: #6b7280;
  --line: #e8eaf1;
  --red: #e02f2f;
  --red-bg: #fdecec;
  --blue: #1a56db;
  --blue-bg: #eaf0fd;
  --accent: #7c3aed;
  --accent2: #ec4899;
  --ok: #0f9d58;
  --warn-bg: #fff7e0;
  --radius: 16px;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.page { max-width: 860px; margin: 0 auto; padding: 24px 16px 60px; }

/* 头部 */
.hero { text-align: center; padding: 18px 0 10px; }
.hero h1 { font-size: 30px; letter-spacing: 1px; }
.hero .sub { color: var(--ink2); margin-top: 6px; font-size: 14px; }

.disclaimer-bar {
  background: var(--warn-bg);
  border: 1px solid #f3e3ad;
  color: #7a5b00;
  border-radius: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  padding: 10px 14px;
  margin: 12px 0 18px;
}

/* 彩种 tab */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 16px; }
.tab {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink2);
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 15px;
  cursor: pointer;
  transition: all .18s;
}
.tab:hover { border-color: var(--accent); color: var(--accent); }
.tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 16px rgba(124, 58, 237, .25);
}

/* 卡片 */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}

/* 下期信息 */
.info-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  background: #f4f2ff;
  color: #4c3a9e;
  border-radius: 999px;
  font-size: 13px;
  padding: 6px 14px;
}
.pill.b { background: var(--blue-bg); color: var(--blue); }
.pill.r { background: var(--red-bg); color: var(--red); }
.fresh-row { margin-top: 10px; font-size: 12px; color: var(--ink2); display: flex; gap: 14px; align-items: center; }
.fresh-row a { color: var(--accent); cursor: pointer; }
.stale-tag { color: #b45309; }

/* 控制区 */
.ctl-grid { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 18px; }
@media (max-width: 720px) { .ctl-grid { grid-template-columns: 1fr; } }
.ctl label { display: block; font-size: 13px; color: var(--ink2); margin-bottom: 8px; }
.ctl .hint { font-weight: 400; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: #fafafe; color: var(--ink2);
  border-radius: 999px; padding: 6px 14px; font-size: 13px; cursor: pointer; transition: all .15s;
}
.chip.active { background: #f1ebff; border-color: var(--accent); color: var(--accent); font-weight: 600; }

.lucky-line { display: flex; gap: 10px; align-items: center; }
#luckyInput {
  flex: 1; border: 1px solid var(--line); border-radius: 10px;
  padding: 9px 12px; font-size: 15px; outline: none; min-width: 0;
}
#luckyInput:focus { border-color: var(--accent); }
.chk { display: flex; align-items: center; gap: 5px; font-size: 13px; color: var(--ink2); white-space: nowrap; cursor: pointer; }

/* 高级权重 */
.adv { margin-top: 16px; }
.adv summary { cursor: pointer; color: var(--ink2); font-size: 13.5px; }
.sliders { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px 18px; margin-top: 14px; }
.sl { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.sl span { width: 62px; color: var(--ink2); }
.sl input[type=range] { flex: 1; accent-color: var(--accent); }
.sl b { width: 26px; text-align: right; color: var(--accent); }
.adv .hint { margin-top: 10px; font-size: 12px; color: var(--ink2); line-height: 1.7; }

/* 生成按钮 */
.gen-btn {
  margin-top: 18px; width: 100%;
  border: none; border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; font-size: 18px; font-weight: 700; letter-spacing: 2px;
  padding: 15px; cursor: pointer;
  box-shadow: 0 8px 20px rgba(124, 58, 237, .3);
  transition: transform .12s, box-shadow .12s;
}
.gen-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(124, 58, 237, .38); }
.gen-btn:active { transform: translateY(0); }
.gen-btn:disabled { opacity: .6; cursor: wait; }
.gen-meta { text-align: center; margin-top: 10px; font-size: 12px; color: var(--ink2); }

/* 结果 */
.results { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
.group-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; animation: cardIn .4s ease both;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.group-card .gt { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.group-card .gt b { font-size: 14px; }
.group-card .gt .luck-tag {
  font-size: 11px; color: #b45309; background: var(--warn-bg);
  padding: 2px 8px; border-radius: 999px;
}
.balls { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.ball {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px;
  animation: pop .45s cubic-bezier(.2, 1.6, .4, 1) both;
}
@keyframes pop { from { opacity: 0; transform: scale(.2) rotate(-25deg); } to { opacity: 1; transform: none; } }
.ball.red { background: var(--red-bg); color: var(--red); border: 2px solid #f5b5b5; }
.ball.blue { background: var(--blue-bg); color: var(--blue); border: 2px solid #b3c7f5; }
.ball.plus { width: auto; border: none; background: none; color: var(--ink2); font-size: 14px; }
.ball.lucky-glow { box-shadow: 0 0 0 3px #ffd66e; }
.ball.spin { animation: spinRoll .5s linear infinite; background: #eef0f6; color: #bbb; border-color: #dfe2ec; }
@keyframes spinRoll { from { transform: rotate(0) scale(1); } 50% { transform: rotate(180deg) scale(.85); } to { transform: rotate(360deg); } }
.zone-gap { width: 12px; }
.pos-label { font-size: 11px; color: var(--ink2); display: flex; flex-direction: column; align-items: center; gap: 3px; }
.pos-label small { font-weight: 400; }

/* 统计 */
.stats-card h3 { font-size: 15px; margin-bottom: 12px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.stat-box { background: #fafafe; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat-box h4 { font-size: 12.5px; color: var(--ink2); margin-bottom: 8px; }
.stat-box .line { display: flex; align-items: center; gap: 6px; margin: 5px 0; font-size: 13px; }
.mini-ball {
  width: 26px; height: 26px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.mini-ball.red { background: var(--red-bg); color: var(--red); }
.mini-ball.blue { background: var(--blue-bg); color: var(--blue); }
.stat-box .val { color: var(--ink2); font-size: 12px; }

/* 页脚 */
.foot { text-align: center; color: var(--ink2); font-size: 12px; line-height: 1.9; margin-top: 28px; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%);
  background: #1c2333; color: #fff; border-radius: 999px;
  padding: 10px 22px; font-size: 13.5px; z-index: 99;
  animation: cardIn .3s ease both;
}

/* ==================== 广告位（浅色） ==================== */
.ad-card {
  display: flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #fff8e6, #fff3d6);
  border: 1px solid #f3e3ad;
  border-radius: 12px;
  padding: 11px 14px; margin: 0 0 16px;
  text-decoration: none; color: var(--ink);
  position: relative;
}
.ad-tag {
  flex: none; font-size: 10px; color: #b08900;
  border: 1px solid #e6cf7d; border-radius: 4px; padding: 1px 4px;
}
.ad-body { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ad-body b { font-size: 14px; color: #7a5b00; }
.ad-body span { font-size: 12px; color: #a3841f; }
.ad-arrow { color: #d4bc66; font-size: 20px; }
.ad-static { cursor: default; }

/* ==================== 最新开奖行 ==================== */
.last-row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 12px; padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.last-label { font-size: 12.5px; color: var(--ink2); }
.last-balls { display: flex; gap: 5px; align-items: center; flex-wrap: wrap; }
.last-sep { color: var(--ink2); font-weight: 600; margin: 0 2px; }

/* ==================== 风格故事旁白 ==================== */
.story-side { margin-top: 12px; }
.story-card {
  display: flex; gap: 10px; align-items: flex-start;
  background: linear-gradient(135deg, #faf8ff, #fdf3f9);
  border: 1px solid #ead9f7;
  border-radius: 12px;
  padding: 12px 14px;
}
.story-icon { font-size: 26px; line-height: 1.2; flex: none; }
.story-text b { display: block; font-size: 13.5px; color: #6d28d9; margin-bottom: 4px; }
.story-text p { font-size: 12.5px; color: #6b7280; line-height: 1.8; }
.story-in { animation: storyIn .45s ease both; }
@keyframes storyIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ==================== SSR SEO 内容块 ==================== */
.crumb {
  font-size: 12px; color: var(--ink2);
  text-align: center; margin: 14px 0 -6px;
  display: flex; gap: 6px; justify-content: center; flex-wrap: wrap;
}
.crumb a { color: var(--accent); text-decoration: none; }
.crumb-sep { color: #c4c8d4; }
.ssr-seo h2 { font-size: 18px; margin-bottom: 12px; }
.ssr-seo h3 { font-size: 15px; margin: 18px 0 10px; }
.ssr-seo[hidden] { display: none; }
.ssr-balls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 6px 0 10px; }
.ssr-balls .mini-ball { width: 44px; height: 44px; font-size: 18px; }
.ssr-note { font-size: 12px; color: var(--ink2); margin-bottom: 6px; }
.tbl-wrap { overflow-x: auto; }
.seo-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.seo-table th, .seo-table td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; white-space: nowrap; }
.seo-table thead th { background: #fafafe; color: var(--ink2); font-weight: 600; font-size: 12.5px; }
.seo-table tbody tr:hover { background: #fbfaff; }
.seo-table tr.cur td { background: #f1ebff; font-weight: 600; }
.seo-table td.balls { white-space: normal; }
.seo-table a { color: var(--accent); text-decoration: none; }
.seo-table a:hover { text-decoration: underline; }
.seo-table .stat-note { font-size: 12px; color: var(--ink2); }
.stat-note { font-size: 12px; color: var(--ink2); }
.seo-links { font-size: 13px; margin-top: 12px; line-height: 2; }
.seo-links a { color: var(--accent); text-decoration: none; }
.seo-links a:hover { text-decoration: underline; }
.seo-copy { margin-top: 14px; font-size: 13px; color: #4b5563; line-height: 1.9; }
.seo-copy p + p { margin-top: 8px; }
.seo-faq { margin-top: 4px; }
.faq-item { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.faq-item:last-child { border-bottom: none; }
.faq-q { font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 5px; }
.faq-a { font-size: 12.5px; color: var(--ink2); line-height: 1.8; }

/* ==================== 手机适配 ==================== */
@media (max-width: 560px) {
  .results { grid-template-columns: 1fr; }
  .hero h1 { font-size: 25px; }
  .ball { width: 36px; height: 36px; font-size: 15px; }
  .tab { padding: 8px 14px; font-size: 14px; }
  .page { padding: 16px 12px 50px; }
}

/* hidden 属性被 .ad-card 的 display:flex 覆盖，需显式声明 */
.ad-card[hidden] { display: none !important; }