/* ai-fd · 立项自检工作台 —— 全站样式（CSP: style-src 'self'，零内联） */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html, body { max-width: 100%; overflow-x: hidden; }
img, svg, video, canvas, iframe, table { max-width: 100%; }

:root {
  --bg: #0b1622;
  --panel: #101f30;
  --panel2: #14263a;
  --ink: #dfe9f4;
  --muted: #93a7bc;
  --faint: #64798f;
  --line: rgba(140, 175, 210, .16);
  --cu: #e0a35c;          /* 铜 · 主强调 */
  --cu-soft: rgba(224, 163, 92, .14);
  --cy: #69c6de;          /* 青钢 · 次强调 */
  --ok: #7fc79a;
  --warn: #e0b45c;
  --bad: #e07a6a;
  --serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(105, 198, 222, .07), transparent 60%),
    radial-gradient(900px 420px at 8% 110%, rgba(224, 163, 92, .06), transparent 60%),
    linear-gradient(rgba(140, 175, 210, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 175, 210, .045) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 34px 34px, 34px 34px, auto;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  min-height: 100vh;
}

a { color: var(--cy); text-decoration: none; }
a:hover { color: var(--cu); }

/* —— 防复制（anti-copy-injected · 移动端强化 + 输入豁免） —— */
html, body {
  -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none;
  -webkit-touch-callout: none;
}
html *, body * {
  -webkit-user-select: none !important; -moz-user-select: none !important;
  -ms-user-select: none !important; user-select: none !important;
  -webkit-touch-callout: none !important;
}
input, textarea, select, [contenteditable="true"] {
  -webkit-user-select: text !important; -moz-user-select: text !important;
  -ms-user-select: text !important; user-select: text !important;
  -webkit-touch-callout: default !important;
}
img, table { -webkit-user-drag: none; user-drag: none; }
@media print { html, body { display: none !important; } }

/* —— 页头 / 页脚 —— */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 22px;
  background: rgba(11, 22, 34, .82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: baseline; gap: 10px; white-space: nowrap; }
.brand b { font-size: 19px; letter-spacing: 1px; color: var(--ink); font-weight: 700; }
.brand i { font-style: normal; font-size: 12px; color: var(--faint); letter-spacing: 2px; }
.topnav { display: flex; gap: 18px; font-size: 14px; }
.topnav a { color: var(--muted); }
.topnav a:hover, .topnav a.on { color: var(--cu); }

.foot {
  margin-top: 56px; padding: 26px 22px 40px;
  border-top: 1px solid var(--line);
  color: var(--faint); font-size: 13.5px; text-align: center; line-height: 2;
}
.foot b { color: var(--muted); font-weight: 600; }

/* —— 通用容器 —— */
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 860px; margin: 0 auto; padding: 0 22px; }

.hero { padding: 64px 0 30px; }
.hero .kick {
  color: var(--cu); font-size: 13px; letter-spacing: 4px; margin-bottom: 14px;
  font-family: var(--mono);
}
.hero h1 {
  font-family: var(--serif); font-weight: 700; line-height: 1.4;
  font-size: 40px; letter-spacing: 1px; margin-bottom: 18px;
}
.hero h1 em { font-style: normal; color: var(--cu); }
.hero .sub { color: var(--muted); font-size: 17px; max-width: 720px; }

.cta-row { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.btn {
  display: inline-block; cursor: pointer; border: 1px solid var(--cu);
  background: var(--cu-soft); color: var(--cu);
  font-size: 15.5px; letter-spacing: 2px; padding: 12px 26px; border-radius: 8px;
  font-family: var(--sans);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(224, 163, 92, .18); }
.btn.ghost { border-color: var(--line); background: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--cy); border-color: var(--cy); box-shadow: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }

/* —— 首页板块 —— */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 26px 0; }
.grid4 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin: 24px 0; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 20px 18px;
}
.card h3 { font-size: 16.5px; color: var(--ink); margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.card .no { font-family: var(--mono); color: var(--cu); font-size: 12.5px; letter-spacing: 2px; display: block; margin-bottom: 10px; }
.chap { transition: border-color .15s ease; }
.chap:hover { border-color: var(--cu); }

.sect { padding: 34px 0 6px; }
.sect > h2 {
  font-family: var(--serif); font-size: 26px; letter-spacing: 1px; margin-bottom: 6px;
}
.sect > h2 i { font-style: normal; color: var(--cu); font-size: 13px; font-family: var(--mono); letter-spacing: 3px; margin-right: 12px; vertical-align: 3px; }
.sect > .lead { color: var(--muted); font-size: 15.5px; margin-bottom: 10px; }

.privacy {
  border: 1px solid var(--line); border-left: 3px solid var(--ok);
  background: rgba(127, 199, 154, .05); border-radius: 8px;
  padding: 16px 20px; margin: 22px 0; font-size: 14.5px; color: var(--muted);
}
.privacy b { color: var(--ok); }

/* —— 问卷工作台 —— */
.progress { height: 4px; background: rgba(140, 175, 210, .12); border-radius: 2px; overflow: hidden; margin: 18px 0 6px; }
.progress b { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cy), var(--cu)); transition: width .3s ease; }
.pline { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--faint); font-family: var(--mono); letter-spacing: 1px; }

.stepcard { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 26px 26px 20px; margin-top: 18px; }
.stepcard .ch { display: flex; align-items: baseline; gap: 12px; margin-bottom: 4px; }
.stepcard .ch .no { font-family: var(--mono); color: var(--cu); font-size: 13px; letter-spacing: 2px; }
.stepcard .ch h2 { font-family: var(--serif); font-size: 23px; }
.stepcard .chbrief { color: var(--faint); font-size: 14px; margin-bottom: 18px; }

.q { padding: 16px 0; border-top: 1px dashed var(--line); }
.q:first-of-type { border-top: none; }
.q .lab { font-size: 16px; margin-bottom: 6px; }
.q .lab .tag {
  display: inline-block; font-size: 11px; letter-spacing: 1px; border-radius: 4px;
  padding: 1px 7px; margin-right: 8px; vertical-align: 2px; font-family: var(--mono);
}
.q .lab .tag.t1 { color: var(--cu); background: var(--cu-soft); border: 1px solid rgba(224, 163, 92, .4); }
.q .lab .tag.t2 { color: var(--faint); border: 1px solid var(--line); }
.q .why { font-size: 13.5px; color: var(--faint); margin-bottom: 10px; }
.q .why::before { content: "为什么问："; color: var(--cy); }

input[type="text"], input[type="number"], select, textarea {
  width: 100%; background: var(--panel2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px;
  font-size: 15.5px; font-family: var(--sans); padding: 11px 14px; outline: none;
}
input:focus, select:focus { border-color: var(--cu); }
.numrow { display: flex; gap: 10px; }
.numrow input { flex: 1; }
.numrow select { width: 170px; flex: none; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
  cursor: pointer; font-size: 13px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 13px; background: transparent;
  font-family: var(--sans);
}
.chip:hover { color: var(--cu); border-color: var(--cu); }

.opts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.opt {
  cursor: pointer; display: flex; gap: 9px; align-items: flex-start;
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 13px;
  font-size: 14.5px; color: var(--muted); background: var(--panel2);
}
.opt:hover { border-color: var(--cy); }
.opt.on { border-color: var(--cu); color: var(--ink); background: var(--cu-soft); }
.opt .box { font-family: var(--mono); font-size: 12px; color: var(--cu); line-height: 1.9; }

.muls { display: flex; flex-wrap: wrap; gap: 8px; }
.muls .opt { width: auto; padding: 8px 15px; border-radius: 999px; }

.tier-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 18px 0; }
.tier {
  cursor: pointer; background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 22px; transition: border-color .15s ease;
}
.tier:hover { border-color: var(--cy); }
.tier.on { border-color: var(--cu); background: var(--cu-soft); }
.tier h3 { font-size: 17px; margin-bottom: 6px; }
.tier.on h3 { color: var(--cu); }
.tier p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }

.navrow { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.navrow .grp { display: flex; gap: 12px; flex-wrap: wrap; }

/* —— 结果页 —— */
.verdict {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
  padding: 20px 24px; margin: 18px 0;
}
.verdict .big { font-family: var(--serif); font-size: 26px; }
.verdict .big.v-go { color: var(--ok); }
.verdict .big.v-careful { color: var(--warn); }
.verdict .big.v-stop { color: var(--bad); }
.verdict .meta { color: var(--muted); font-size: 13.5px; line-height: 1.9; }

.report {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 30px 34px; margin: 16px 0; line-height: 2;
}
.report h1 { font-family: var(--serif); font-size: 26px; margin-bottom: 6px; line-height: 1.5; }
.report h2 { font-family: var(--serif); font-size: 20.5px; color: var(--cu); margin: 26px 0 10px; }
.report p { margin: 8px 0; font-size: 15.5px; color: var(--ink); }
.report blockquote {
  border-left: 3px solid var(--cy); background: rgba(105, 198, 222, .06);
  padding: 10px 16px; margin: 10px 0; color: var(--muted); font-size: 14px; border-radius: 0 8px 8px 0;
}
.report ul { margin: 8px 0 8px 22px; font-size: 15px; }
.report li { margin: 4px 0; }
.table-wrap { overflow-x: auto; margin: 12px 0; }
.report table { border-collapse: collapse; width: 100%; font-size: 14px; }
.report th, .report td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; white-space: nowrap; }
.report th { color: var(--cu); background: var(--panel2); font-weight: 600; }
.report td { color: var(--ink); }
.report strong { color: var(--cu); }

.dl-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0; }
.statusline { color: var(--faint); font-size: 13.5px; min-height: 22px; }

.gaps { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px; margin: 14px 0; }
.gaps h3 { color: var(--cy); font-size: 16px; margin-bottom: 10px; }
.gaps li { font-size: 14px; color: var(--muted); margin: 6px 0; }

/* —— 流程页 —— */
.flow { display: flex; flex-direction: column; gap: 0; margin: 24px 0; }
.fstep { display: flex; gap: 18px; padding: 14px 0; border-top: 1px dashed var(--line); }
.fstep:first-child { border-top: none; }
.fstep .fn { font-family: var(--mono); color: var(--cu); font-size: 13px; letter-spacing: 2px; min-width: 86px; padding-top: 3px; }
.fstep .fb b { font-size: 16px; display: block; margin-bottom: 3px; }
.fstep .fb span { font-size: 14px; color: var(--muted); }

/* —— 固定返回上一级（luckway.org/tech）按钮 —— */
.back-tech {
  position: fixed; left: 16px; bottom: 24px; z-index: 60;
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(11, 22, 34, .74); color: var(--cu);
  border: 1px solid var(--cu); border-radius: 999px;
  font-family: var(--sans); font-size: 13px; letter-spacing: 2px;
  padding: 9px 16px; text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .32);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: background .25s, color .25s;
}
.back-tech:hover { background: rgba(224, 163, 92, .18); color: #f0c48e; }

/* —— 响应式 —— */
@media (max-width: 820px) {
  .hero h1 { font-size: 32px; }
  .grid3 { grid-template-columns: repeat(2, 1fr); }
  .grid4 { grid-template-columns: repeat(3, 1fr); }
  .report { padding: 24px 22px; }
}

@media (max-width: 620px) {
  body { font-size: 18px; }
  .wrap, .narrow { padding: 0 14px; }
  .topbar { padding: 12px 14px; }
  .topnav { gap: 12px; font-size: 13px; }
  .hero { padding: 40px 0 20px; }
  .hero h1 { font-size: 27px; }
  .hero .sub { font-size: 16px; }
  .grid3, .grid4 { grid-template-columns: 1fr; }
  .tier-row { grid-template-columns: 1fr; }
  .opts { grid-template-columns: 1fr; }
  .stepcard { padding: 20px 16px 16px; }
  .stepcard .ch h2 { font-size: 20px; }
  .report { padding: 20px 14px; }
  .report p { font-size: 16px; }
  .numrow { flex-direction: column; }
  .numrow select { width: 100%; }
  .navrow .grp { width: 100%; }
  .navrow .btn { flex: 1; text-align: center; }
  .verdict .big { font-size: 22px; }
  .back-tech { left: 14px; bottom: 20px; font-size: 12px; padding: 8px 14px; }
}

@media (max-width: 420px) {
  .brand i { display: none; }
  .topnav { gap: 10px; }
  .btn { padding: 11px 18px; letter-spacing: 1px; }
}