/* ============================================================
   记忆校准台 · MEMORY.CHECK
   无限AI内的「多模型交叉验证」演示模块
   克制版：数据为主，叙事点缀
   ============================================================ */

:root {
  --bg: #08080b;
  --bg-2: #0c0c11;
  --panel: #101016;
  --panel-2: #14141c;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .16);
  --ink: #f2f0f4;
  --dim: #8e8a96;
  --dim-2: #5b5764;
  --sakura: #ff5c93;
  --cyan: #35e6ff;
  --ok: #67e8a0;
  --warn: #ffb020;
  --err: #ff5f5f;
  --font: "Sora", "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* 背景 */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}
.bg-glow {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(700px 340px at 12% -10%, rgba(255,92,147,.12), transparent 62%),
    radial-gradient(640px 320px at 88% -6%, rgba(53,230,255,.08), transparent 62%);
}

main, header, footer { position: relative; z-index: 2; }
.wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }

/* 头部 */
.hd {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(16px);
  background: rgba(8, 8, 11, .72);
  border-bottom: 1px solid var(--line);
}
.hd-in { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 14.5px; }
.logo-mark {
  width: 27px; height: 27px; border-radius: 7px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--sakura), #ff9ec1);
  color: #fff; font-weight: 700; font-size: 14px;
}
.hd nav { display: flex; gap: 3px; }
.hd nav a {
  padding: 6px 11px; border-radius: 7px; font-size: 13px; color: var(--dim);
  transition: color .15s, background .15s;
}
.hd nav a:hover { color: var(--ink); background: rgba(255,255,255,.05); }
.hd nav a.on { color: var(--ink); background: rgba(255,92,147,.12); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: 8px;
  border: 1px solid var(--line-2); background: transparent; color: var(--ink);
  font-size: 13.5px; font-weight: 500;
  transition: border-color .18s, background .18s, transform .16s;
}
.btn:hover { border-color: var(--sakura); transform: translateY(-1px); }
.btn.primary { background: var(--sakura); border: 0; color: #fff; font-weight: 600; }
.btn.primary:hover { background: #ff4a86; }
.btn.sm { padding: 7px 12px; font-size: 12.5px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

/* Hero */
.hero { padding: 76px 0 40px; }
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.08; letter-spacing: -.045em; font-weight: 700;
  max-width: 20ch;
}
.hero h1 em { font-style: normal; color: var(--sakura); }
.hero p.lead { margin-top: 18px; max-width: 640px; color: var(--dim); font-size: 15.5px; line-height: 1.85; }
.hero p.lead b { color: var(--ink); font-weight: 600; }

.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.meta-row span {
  font-family: var(--mono); font-size: 11.5px; color: var(--dim);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 11px;
  background: var(--panel);
}
.meta-row span b { color: var(--ink); font-weight: 500; }

/* 控制台 */
.console {
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
  margin-top: 40px;
}
.console-hd {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.console-hd .title {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; color: var(--dim);
  display: flex; align-items: center; gap: 8px;
}
.console-hd .title i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.console-hd .src { font-family: var(--mono); font-size: 11px; color: var(--dim-2); }

.console-body { padding: 20px 18px; }

/* 题目选择 */
.q-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.q-tab {
  padding: 8px 13px; border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent; color: var(--dim);
  font-size: 13px; text-align: left;
  transition: all .16s;
}
.q-tab:hover { color: var(--ink); border-color: var(--line-2); }
.q-tab.on { color: var(--ink); border-color: var(--sakura); background: rgba(255,92,147,.1); }

.prompt-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--dim);
  margin-bottom: 16px;
}
.prompt-box b { color: var(--ink); font-weight: 600; }
.prompt-box .qid { font-family: var(--mono); font-size: 11px; color: var(--dim-2); margin-right: 8px; }

.run-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.run-hint { font-family: var(--mono); font-size: 11.5px; color: var(--dim-2); }

/* 结果三列 */
.results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mcard {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  padding: 16px 15px;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 220px;
  transition: border-color .2s;
}
.mcard.done { border-color: var(--line-2); }
.mcard.err { border-color: rgba(255,95,95,.4); }
.mcard .mname {
  font-family: var(--mono); font-size: 11.5px; color: var(--sakura);
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
.mcard .mname .st { color: var(--dim-2); font-size: 10.5px; }
.mcard .answer { color: var(--dim); font-size: 13px; line-height: 1.75; flex: 1; }
.mcard .answer b { color: var(--ink); font-weight: 600; }
.mcard .stats {
  display: flex; gap: 10px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 10.5px; color: var(--dim-2);
  border-top: 1px solid var(--line); padding-top: 9px;
}
.mcard .stats b { color: var(--ink); font-weight: 500; }

.skeleton {
  height: 10px; border-radius: 5px; margin-bottom: 8px;
  background: linear-gradient(90deg, rgba(255,255,255,.05), rgba(255,255,255,.12), rgba(255,255,255,.05));
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}
@keyframes shimmer { to { background-position: -200% 0 } }

/* 结论条 */
.verdict {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.verdict .badge {
  font-family: var(--mono); font-size: 11px;
  padding: 3px 9px; border-radius: 6px;
  border: 1px solid var(--line-2); color: var(--ink);
}
.verdict .badge.consensus { border-color: rgba(103,232,160,.45); color: var(--ok); }
.verdict .badge.split { border-color: rgba(255,176,32,.45); color: var(--warn); }
.verdict b { color: var(--ink); font-weight: 600; }

/* 三张能力卡 */
.caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 34px; }
.cap {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 20px 18px;
}
.cap h3 { font-size: 14.5px; margin-bottom: 8px; font-weight: 600; }
.cap p { color: var(--dim); font-size: 13px; line-height: 1.75; }
.cap .k { font-family: var(--mono); font-size: 11px; color: var(--cyan); margin-bottom: 10px; }

/* 段落 */
section { padding: 78px 0; }
.sec-head { margin-bottom: 30px; }
.sec-head h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -.035em; line-height: 1.16; font-weight: 700; }
.sec-head p { color: var(--dim); margin-top: 12px; max-width: 64ch; font-size: 14.5px; }

/* 表 */
.tbl { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--panel); }
.tbl-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 640px; }
th {
  text-align: left; padding: 11px 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--dim-2); background: var(--bg-2); border-bottom: 1px solid var(--line);
  font-weight: 500; white-space: nowrap;
}
td { padding: 11px 14px; border-bottom: 1px solid var(--line); color: var(--dim); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td b { color: var(--ink); font-weight: 600; }
td.mono { font-family: var(--mono); font-size: 12px; }

/* CTA */
.cta {
  border: 1px solid var(--line-2); border-radius: 14px;
  padding: 38px 34px;
  background:
    radial-gradient(520px 220px at 10% 0%, rgba(255,92,147,.14), transparent 62%),
    radial-gradient(520px 220px at 90% 100%, rgba(53,230,255,.1), transparent 62%),
    var(--bg-2);
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta h2 { font-size: clamp(21px, 2.6vw, 30px); letter-spacing: -.03em; }
.cta p { color: var(--dim); margin-top: 8px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* 页脚 */
.ft {
  border-top: 1px solid var(--line); padding: 24px 0 64px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px; color: var(--dim-2);
}
.ft a:hover { color: var(--sakura); }

/* 入场 */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* 响应式 */
@media (max-width: 900px) {
  .results { grid-template-columns: 1fr; }
  .caps { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 26px; }
  section { padding: 56px 0; }
  .hd nav { display: none; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 32px); }
  .console-body { padding: 16px 14px; }
  .cta { padding: 26px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .skeleton { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}