/* 大乐透数据看板 · Apple 风格 */
:root {
  --bg: #000000;
  --card: #1d1d1f;
  --card-soft: #161617;
  --line: rgba(255, 255, 255, .1);
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --faint: #86868b;
  --accent: #2997ff;
  --accent-deep: #0071e3;
  --red: #ff453a;
  --red-deep: #c0261f;
  --blue: #0a84ff;
  --blue-deep: #1f5fd6;
  --radius: 22px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 17px; line-height: 1.65;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(41, 151, 255, .35); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- frosted nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 0, 0, .62);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  backdrop-filter: blur(22px) saturate(180%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1020px; margin: 0 auto; padding: 0 22px;
  height: 56px; display: flex; align-items: center; justify-content: space-between;
}
.brand { color: var(--text); text-decoration: none; font-weight: 700; font-size: 16px; letter-spacing: .02em; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  color: rgba(245, 245, 247, .75); text-decoration: none; font-size: 12px;
  padding: 8px 14px; border-radius: 999px;
  transition: color .25s, background .25s;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, .07); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 84px 20px 64px; text-align: center; }
.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 340px at 50% -80px, rgba(255, 69, 58, .13), transparent 70%),
    radial-gradient(640px 400px at 88% 115%, rgba(10, 132, 255, .1), transparent 70%);
}
.hero-inner { position: relative; max-width: 900px; margin: 0 auto; }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600;
  letter-spacing: .34em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 20px; padding-left: .34em;
}
.hero h1 {
  margin: 0 0 12px; font-size: clamp(40px, 7vw, 68px); font-weight: 700;
  letter-spacing: -.022em; line-height: 1.05; text-wrap: balance;
}
.hero .meta { color: var(--muted); font-size: 15px; margin: 0 0 40px; letter-spacing: .06em; }
.hero-draw .draw-meta { font-size: 14px; color: var(--muted); margin-bottom: 22px; letter-spacing: .28em; padding-left: .28em; }
.hero-draw .balls { justify-content: center; gap: 16px; }
.hero-draw .struct { margin-top: 26px; font-size: 14px; color: var(--muted); }
.hero-draw .struct b { color: var(--text); font-weight: 600; }
.hero-draw .stat-line { margin-top: 8px; font-size: 13px; color: var(--faint); }

/* ---------- balls ---------- */
.balls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.ball {
  width: 42px; height: 42px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; color: #fff; flex: none;
  transition: transform .3s cubic-bezier(.34, 1.56, .64, 1);
}
.ball:hover { transform: translateY(-3px) scale(1.05); }
.ball.front {
  background: radial-gradient(circle at 32% 28%, #ff8a80, var(--red) 55%, var(--red-deep));
  box-shadow: 0 6px 22px rgba(255, 69, 58, .32), inset 0 -2px 6px rgba(0, 0, 0, .25);
}
.ball.back {
  background: radial-gradient(circle at 32% 28%, #7db4ff, var(--blue) 55%, var(--blue-deep));
  box-shadow: 0 6px 22px rgba(10, 132, 255, .32), inset 0 -2px 6px rgba(0, 0, 0, .25);
}
.ball.sm { width: 36px; height: 36px; font-size: 14px; box-shadow: none; }
.ball.sm:hover { transform: none; }
.hero-draw .ball { width: 66px; height: 66px; font-size: 25px; }
.ball-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.detail-om { font-size: 11px; color: var(--faint); }
.plus { color: var(--faint); font-size: 22px; margin: 0 6px; font-weight: 300; }

/* ---------- layout ---------- */
main { max-width: 1020px; margin: 0 auto; padding: 4px 22px 48px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 34px 30px; margin-bottom: 24px;
}
section { scroll-margin-top: 76px; }
.sec-head { margin-bottom: 22px; }
.sec-head h2 {
  margin: 0 0 6px; font-size: 32px; font-weight: 600; letter-spacing: -.02em; text-wrap: balance;
}
.sec-head p { margin: 0; color: var(--muted); font-size: 14px; }
.card h3 { margin: 28px 0 12px; font-size: 17px; color: var(--text); font-weight: 600; letter-spacing: -.01em; }
.card h3 span { color: var(--faint); font-weight: 400; font-size: 13px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.22, 1, .36, 1), transform .7s cubic-bezier(.22, 1, .36, 1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .ball:hover { transform: none; }
}

/* ---------- query ---------- */
.query-row { display: flex; gap: 10px; margin-bottom: 20px; }
.query-row input {
  flex: 1; padding: 14px 18px; font-size: 17px; color: var(--text);
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line);
  border-radius: 14px; outline: none; transition: border-color .25s, background .25s;
}
.query-row input::placeholder { color: var(--faint); opacity: 1; }
.query-row input:focus { border-color: var(--accent); background: rgba(255, 255, 255, .07); }
button {
  padding: 14px 30px; font-size: 16px; font-weight: 600; border: none;
  border-radius: 999px; background: var(--accent-deep); color: #fff; cursor: pointer;
  letter-spacing: .04em; transition: transform .15s, filter .2s;
}
button:hover { filter: brightness(1.12); }
button:active { transform: scale(.96); }
button:disabled { opacity: .3; cursor: default; transform: none; filter: none; }
button.ghost {
  background: rgba(255, 255, 255, .07); border: 1px solid var(--line);
  padding: 9px 18px; font-size: 14px; font-weight: 500;
}
#q-result .draw-meta { color: var(--muted); margin-bottom: 14px; letter-spacing: .18em; font-size: 14px; }
#q-result .struct { margin-top: 16px; color: var(--muted); font-size: 14px; }
#q-result .struct b { color: var(--text); }
#q-result .stat-line { margin-top: 6px; color: var(--faint); font-size: 13px; }

/* ---------- trend ---------- */
.trow { display: flex; align-items: center; gap: 12px; margin: 9px 0; font-size: 14px; }
.trow .iss { width: 66px; color: var(--faint); flex: none; }
.tbar {
  display: flex; height: 28px; border-radius: 8px; overflow: hidden; flex: 1;
  background: rgba(255, 255, 255, .05);
}
.tbar.front { flex: 5; }
.tbar.back { flex: 2; }
.trow.thead { margin-bottom: 6px; }
.zhead { font-size: 12px; color: var(--faint); letter-spacing: .24em; padding-left: .24em; }
.zhead.zf { flex: 5; }
.zhead.zb { flex: 2; }
.tbar div {
  height: 100%; display: flex; align-items: center; justify-content: center;
  transition: width .6s cubic-bezier(.22, 1, .36, 1);
}
.tbar div span { font-size: 13px; font-weight: 700; color: rgba(255, 255, 255, .95); line-height: 1; }
.b-重 { background: #ff453a; } .b-短 { background: #ff9f0a; }
.b-中 { background: #30d158; } .b-偏 { background: #0a84ff; }
.b-大, .b-长 { background: #bf5af2; }
.legend { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; font-size: 14px; color: var(--muted); }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 4px; margin-right: 7px; vertical-align: -1px; }
.note { font-size: 14px; color: var(--muted); margin: 14px 0 0; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 16px; }
th, td { padding: 12px 14px; text-align: center; white-space: nowrap; }
thead th {
  background: rgba(255, 255, 255, .04); font-weight: 600; font-size: 13px;
  color: var(--muted); letter-spacing: .1em; border-bottom: 1px solid var(--line);
}
tbody td { border-bottom: 1px solid rgba(255, 255, 255, .05); color: var(--text); }
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background .2s; }
tbody tr:hover td { background: rgba(255, 255, 255, .035); }
.sortable th[data-k] { cursor: pointer; user-select: none; transition: color .2s; }
.sortable th[data-k]:hover { color: var(--accent); }
td.num { font-weight: 700; font-size: 17px; }
.badge { display: inline-block; min-width: 36px; padding: 4px 13px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.热 { background: rgba(255, 69, 58, .15); color: #ff8a80; border: 1px solid rgba(255, 69, 58, .35); }
.badge.温 { background: rgba(255, 159, 10, .13); color: #ffbe55; border: 1px solid rgba(255, 159, 10, .32); }
.badge.冷 { background: rgba(142, 142, 147, .13); color: #a8a8ad; border: 1px solid rgba(142, 142, 147, .3); }
td.cur-high { color: #ff8a80; font-weight: 700; }
.pager { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.pager span { color: var(--muted); font-size: 14px; }

footer { text-align: center; color: var(--faint); font-size: 12px; padding: 10px 22px 40px; max-width: 1020px; margin: 0 auto; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav-links a { padding: 8px 10px; font-size: 12px; }
  .hero { padding: 60px 16px 48px; }
  .hero-draw .ball { width: 48px; height: 48px; font-size: 19px; }
  .hero-draw .balls { gap: 9px; }
  .card { padding: 24px 18px; }
  .sec-head h2 { font-size: 26px; }
  th, td { padding: 10px 8px; font-size: 14px; }
}

/* 历史开奖:球按热/温/冷着色(热=默认亮色实心) */
.ball.hw { box-shadow: none; }
.ball.hw.front { background: #c07f35; }
.ball.hw.back { background: #2b4d85; }
.ball.hc { background: transparent; box-shadow: none; }
.ball.hc.front { border: 1.5px solid rgba(255, 69, 58, .75); color: #ffb3ad; }
.ball.hc.back { border: 1.5px solid rgba(10, 132, 255, .75); color: #9cc2ff; }
.hist-legend { margin: 0 0 16px; }
#hist-table .ball.sm.front:not(.hw):not(.hc) { box-shadow: 0 3px 14px rgba(255, 69, 58, .4); }
#hist-table .ball.sm.back:not(.hw):not(.hc) { box-shadow: 0 3px 14px rgba(10, 132, 255, .4); }

/* 走势色块内遗漏期数小字 */
.tbar span em { font-style: normal; font-size: 11px; font-weight: 400; opacity: .62; margin-left: 2px; }