/* Outfit 自托管（与 assets/main.css 同一组文件）。
   此前本页从 fonts.googleapis.com 取字体，大陆不可达且为渲染阻塞，
   会让嵌在 /diagnosis 里的诊断工具首屏白屏。 */
@font-face {
  font-family: "Outfit";
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url("/res/fonts/outfit-500-700-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Outfit";
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url("/res/fonts/outfit-500-700-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304,
    U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4,
    U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ============================================================
   JEDP 制造业数字化成熟度诊断
   设计语言严格对齐官网 www.jedp.cn（assets/main.css）：
   主色 #6366f1 / 强调 #22d3ee / 页面底色 #f4f7fb / 字体 Outfit + Noto Sans SC
   ============================================================ */

:root {
  /* ── 与官网 :root 同名同值，改动请同步官网 ── */
  --primary:        #6366f1;
  --primary-dark:   #4f46e5;
  --tech-cyan:      #22d3ee;
  --tech-cyan-bright: #67e8f9;
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
  --tech-glow:        0 10px 32px rgba(99, 102, 241, 0.32);
  --tech-glow-strong: 0 16px 40px rgba(34, 211, 238, 0.28);
  --card-shadow:      0 1px 2px rgba(15, 23, 42, 0.04), 0 10px 28px rgba(15, 23, 42, 0.05);
  --card-shadow-hover:0 18px 44px rgba(99, 102, 241, 0.14);
  --page-tint:
    radial-gradient(700px 280px at 10% 0%, rgba(99, 102, 241, 0.06), transparent 60%),
    radial-gradient(600px 240px at 90% 8%, rgba(34, 211, 238, 0.06), transparent 55%),
    #f4f7fb;
  --font-display: "Outfit", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  /* ── 语义别名 ── */
  --ink:        #0b1220;
  --ink-2:      #334155;
  --ink-3:      #475569;
  --ink-4:      #5f6f85;   /* 原 #64748b 在 #f4f7fb 底色上只有 4.43:1，小字不过 AA */

  --line:       rgba(15, 23, 42, 0.08);
  --line-2:     #eef2f7;
  --bg:         #f4f7fb;
  --card:       #ffffff;

  --brand:      var(--primary);
  --brand-2:    var(--primary-dark);
  --cyan:       var(--tech-cyan);
  --magenta:    #920784;

  /* 白字当背景时 #d97706 只有 3.2:1，「优先」徽标和 67 分标签都看不清。
     同一语义在文字与背景两个方向都要过 AA。#047857 / #B45309 两个都能达 5:1 */
  --warn:       #B45309;
  --warn-ink:   #8a4b12;
  --warn-bg:    #fdf6ec;
  --warn-line:  #f2ddc0;
  --ok:         #059669;
  --ok-ink:     #05694d;
  --ok-bg:      #ecfdf5;
  --ok-line:    #c6ece0;

  --r-sm: 8px;
  --r:    14px;
  --r-lg: 18px;

  --sh-1: var(--card-shadow);
  --sh-2: 0 12px 32px rgba(15, 23, 42, 0.08);
  --sh-3: 0 18px 44px rgba(99, 102, 241, 0.14);

  --font: var(--font-sans);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --wrap: 940px;
  --wrap-narrow: 720px;
}

* { box-sizing: border-box; }

/* 仅供读屏：视觉隐藏但仍在无障碍树里 */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

html { -webkit-text-size-adjust: 100%; }

/* 键盘焦点：原来全靠浏览器默认 1px 环，在渐变按钮和白卡上几乎看不见。
   只在键盘导航时出现，鼠标点击不触发。 */
:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--primary-dark);
  outline-offset: 3px;
}
/* 反色背景上的焦点环用亮青，避免深靛描边糊在深底里 */
.btn-primary:focus-visible {
  outline-color: var(--tech-cyan);
  outline-offset: 4px;
}

body {
  margin: 0;
  font-family: var(--font);
  background: #f4f7fb;
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: var(--wrap-narrow); }

/* 顶栏用官网 SiteNav，诊断页不再复制一套导航和 logo。 */

/* ── 视图切换 ────────────────────────────────────────── */
.view { animation: viewIn .42s cubic-bezier(.22,.8,.3,1) both; }
/* 关键：作者样式里的 display 会盖掉 UA 的 [hidden]{display:none}，
   .view-calc 用了 display:grid，必须显式兜住，否则它永远显示在页面上 */
.view[hidden], [hidden] { display: none !important; }
@keyframes viewIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* ── 欢迎页 ──────────────────────────────────────────── */
.back-bar { padding-top: 22px; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.back-link:hover { color: var(--primary); text-decoration: none; }
.view-intro { padding: 28px 0 80px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 6px 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: rgba(99, 102, 241, .07);
  border: 1px solid rgba(99, 102, 241, .28);
  border-radius: 999px;
  box-shadow: 0 0 24px rgba(99, 102, 241, .08);
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(30px, 5.2vw, 46px);
  line-height: 1.24;
  letter-spacing: -.035em;
  font-weight: 800;
  color: var(--ink);
  /* 窄屏自然折行时会把「走到了」拆成「走 / 到了」；balance 让两行长度接近，
     并且断点落在短语边界上。桌面单行时该属性不生效，无副作用。 */
  text-wrap: balance;
}
.br-lg { display: none; }
@media (min-width: 720px) { .br-lg { display: inline; } }

.hero-lede {
  margin: 0 0 32px;
  font-size: 16px;
  color: var(--ink-3);
  white-space: nowrap;
}
html.is-en .hero-lede { white-space: normal; }
.hero-lede strong { color: var(--ink); font-weight: 700; }

.intro-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0 0 34px;
  padding: 22px 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--card-shadow);
}
.meta-list {
  list-style: none;
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.meta-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  font-size: 14.5px;
}
.meta-k {
  color: var(--ink-4);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
  padding-top: 2px;
}
.meta-v { color: var(--ink-2); }

/* 小屏：标签与值分两行，避免「·」被挤到行首 */
@media (max-width: 720px) {
  .hero-lede { white-space: normal; }
  .intro-panel { flex-direction: column; align-items: flex-start; padding: 18px; }
  .meta-list li { grid-template-columns: 1fr; gap: 3px; }
  .meta-k { padding-top: 0; }
  .meta-v { font-size: 13px; letter-spacing: -.01em; }
}

.cta-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  flex-shrink: 0;
}
.cta-row .btn { white-space: nowrap; justify-content: center; }

.btn {
  font: inherit;
  border: 0;
  cursor: pointer;
  border-radius: 11px;
  transition: transform .25s cubic-bezier(.4,0,.2,1), box-shadow .25s, background .25s, color .25s;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.985); }

/* 官网主按钮：135° 渐变 + 靛蓝到亮青 + 外发光 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: #fff;
  /* 渐变收口：亮青 #22d3ee 上白字仅 1.81:1，箭头会看不清。
     中段用 #5e61ea 而不是品牌色 #6366f1 —— 后者白字 4.47:1，差 0.03 不到 AA；
     #5e61ea 是 4.80:1，肉眼几乎看不出与品牌色的差别。
     现在整条 6.29 / 4.80 / 5.36，全程过 AA。 */
  background: linear-gradient(135deg, #4f46e5 0%, #5e61ea 26%, #0e7490 100%);
  box-shadow: var(--tech-glow), 0 4px 20px rgba(99, 102, 241, .35), inset 0 1px 0 rgba(255,255,255,.2);
  text-shadow: 0 1px 2px rgba(15, 23, 42, .28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--tech-glow-strong), 0 12px 32px rgba(99, 102, 241, .45), inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-primary svg { transition: transform .2s; }
.btn-primary:hover svg { transform: translateX(3px); }

/* 官网 .btn-ghost：白底 + 主色描边 */
.btn-ghost {
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--card);
  border: 1px solid var(--primary);
  box-shadow: none;
}
.btn-ghost:hover {
  background: linear-gradient(135deg, rgba(6,182,212,.08) 0%, rgba(99,102,241,.06) 100%);
  border-color: var(--primary-dark);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

/* 三级按钮：中性描边。用于「重新诊断」这类重置动作 ——
   必须看得出是可点的按钮，但视觉要弱于主色描边，不能和报告的结论抢注意力。
   注意：不要拿 .btn-text 当排内按钮用，它没有边框和底色，夹在实心按钮中间会像漏了样式 */
.btn-quiet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--card);
  border: 1px solid rgba(15, 23, 42, .16);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}
.btn-quiet:hover {
  color: var(--ink);
  background: #fff;
  border-color: rgba(15, 23, 42, .3);
  box-shadow: 0 2px 8px rgba(15, 23, 42, .07);
  transform: translateY(-1px);
}
.btn-quiet svg { flex: none; }

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-3);
  background: transparent;
  border-radius: 9px;
}
.btn-text:hover { color: var(--primary-dark); background: rgba(99,102,241,.06); }
.btn-text:disabled { opacity: .35; cursor: default; }

/* 七张芯片：4 + 3 且第二行居中。
   原来是 auto-fill + minmax(160px,1fr)，宽屏下排成 5 + 2，
   第二行只剩两个、右侧空三格，看起来像没排完。 */
.dim-grid {
  margin: 44px 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.dim-chip {
  flex: 0 0 calc(25% - 8px);
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
@media (max-width: 620px) { .dim-chip { flex-basis: calc(50% - 5px); } }
.dim-chip:hover {
  border-color: rgba(99, 102, 241, .32);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}
.dim-chip b {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 3px;
}
.dim-chip span { font-size: 12.5px; color: var(--ink-4); }

.fineprint {
  margin: 40px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-4);
  max-width: 660px;
}

/* ── 问卷页 ──────────────────────────────────────────── */
.view-quiz { padding: 40px 0 72px; }

.quiz-head { margin-bottom: 26px; }
.quiz-progress {
  display: flex;
  align-items: center;
  gap: 16px;
}
.bar {
  flex: 1;
  height: 5px;
  background: var(--line-2);
  border-radius: 99px;
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--tech-cyan), var(--primary));
  box-shadow: 0 0 12px rgba(34, 211, 238, .45);
  transition: width .38s cubic-bezier(.22,.8,.3,1);
}
.quiz-count {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.quiz-tags { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.tag-dim {
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-primary);
  padding: 4px 12px;
  border-radius: 99px;
  box-shadow: 0 2px 10px rgba(99, 102, 241, .24);
}
.tag-what {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-3);
  background: #fff;
  border: 1px solid var(--line);
  padding: 4px 11px;
  border-radius: 99px;
}

.q-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 4vw, 40px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, .07), 0 1px 2px rgba(15, 23, 42, .04);
}
.q-title {
  margin: 0 0 10px;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -.01em;
}
.q-hint {
  margin: 0 0 26px;
  font-size: 13.5px;
  color: var(--ink-4);
  line-height: 1.7;
}

.opts { display: grid; gap: 10px; }

.opt {
  position: relative;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 13px;
  align-items: center;
  width: 100%;
  text-align: left;
  font: inherit;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-2);
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 15px 18px;
  cursor: pointer;
  transition: border-color .18s, background .18s, color .18s, box-shadow .18s, transform .12s;
  -webkit-tap-highlight-color: transparent;
}
.opt:hover {
  border-color: rgba(99, 102, 241, .32);
  background: #fff;
  color: var(--ink);
  box-shadow: var(--card-shadow);
}
.opt:active { transform: scale(.995); }

.opt-key {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-4);
  background: #f1f5f9;
  transition: background .18s, color .18s;
}
.opt:hover .opt-key { background: rgba(99, 102, 241, .1); color: var(--primary-dark); }

.opt.is-picked {
  border-color: var(--primary);
  background: rgba(99, 102, 241, .06);
  color: var(--ink);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, .1);
}
.opt.is-picked .opt-key {
  background: var(--gradient-primary);
  color: #fff;
}

.opt.is-active-prev {
  border-color: var(--primary);
  background: rgba(99, 102, 241, .06);
}

.quiz-foot {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.kbd-tip { font-size: 12.5px; color: var(--ink-4); }
/* 触屏设备没有物理键盘，这条提示是无效信息，还占掉底部一行 */
@media (hover: none), (max-width: 560px) { .kbd-tip { display: none; } }
kbd {
  font-family: var(--mono);
  font-size: 11px;
  padding: 1.5px 5px;
  margin: 0 1px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: #fff;
  color: var(--ink-3);
}

/* ── 计算中 ──────────────────────────────────────────── */
.view-calc {
  min-height: 62vh;
  display: grid;
  place-items: center;
}
.calc-inner { text-align: center; }
.calc-ring {
  width: 52px;
  height: 52px;
  margin: 0 auto 22px;
  border-radius: 50%;
  border: 3px solid var(--line-2);
  border-top-color: var(--primary);
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.calc-text { margin: 0; font-size: 14.5px; color: var(--ink-3); }

/* ── 报告页 ──────────────────────────────────────────── */
.view-report { padding: 44px 0 88px; }

.rep-head { margin-bottom: 34px; }
.rep-eyebrow {
  margin: 0 0 12px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.score-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(26px, 4vw, 40px);
  box-shadow: var(--sh-2);
}
@media (max-width: 620px) {
  .score-card { grid-template-columns: 1fr; }
}

.score-dial { position: relative; width: 168px; height: 168px; }
@media (max-width: 620px) { .score-dial { margin: 0 auto; } }
.score-dial svg { display: block; transform: rotate(-90deg); }
.score-num {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
}
.score-num b {
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.score-num span {
  display: block;
  margin-top: 6px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--ink-4);
}

.score-body h2 {
  margin: 0 0 6px;
  font-size: clamp(21px, 3.4vw, 27px);
  font-weight: 800;
  letter-spacing: -.015em;
}
.tier-badge {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  padding: 3px 11px;
  border-radius: 99px;
  margin-bottom: 12px;
}
.score-line {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.7;
}
.score-advice {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-3);
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

/* 区块标题（官网 section-title：左侧渐变小竖条） */
.sec { margin-top: 46px; }
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.sec-head h3 {
  position: relative;
  margin: 0;
  padding-left: 13px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.02em;
}
.sec-head h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: .28em;
  bottom: .28em;
  width: 3px;
  border-radius: 99px;
  background: var(--gradient-primary);
  box-shadow: 0 0 12px rgba(34, 211, 238, .45);
}
.sec-head p {
  margin: 0;
  font-size: 13px;
  color: var(--ink-4);
}

/* 雷达图 */
.radar-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(16px, 3vw, 30px);
  box-shadow: var(--sh-1);
}
.radar-wrap { display: flex; justify-content: center; }
/* 520px 时卡片 892 宽、两侧各空 186px，桌面端显得局促；放到 620 吃掉大部分留白 */
.radar-wrap svg { width: 100%; max-width: 620px; height: auto; display: block; }
.radar-note {
  margin: 4px 0 0;
  text-align: center;
  font-size: 12px;
  color: var(--ink-4);
}

/* 维度条 */
.dim-list { display: grid; gap: 9px; }
.dim-row {
  display: grid;
  grid-template-columns: 108px 1fr 46px;
  gap: 14px;
  align-items: center;
  padding: 11px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 11px;
}
@media (max-width: 560px) {
  .dim-row { grid-template-columns: 88px 1fr 42px; gap: 10px; padding: 10px 13px; }
}
.dim-name { font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.dim-track { height: 7px; background: var(--line-2); border-radius: 99px; overflow: hidden; }
.dim-track i {
  display: block;
  height: 100%;
  border-radius: 99px;
  width: 0;
  transition: width .7s cubic-bezier(.22,.8,.3,1);
}
.dim-val {
  font-size: 13.5px;
  font-weight: 700;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}
.dim-row.is-weak { border-color: var(--warn-line); background: var(--warn-bg); }
.dim-row.is-weak .dim-name { color: var(--warn-ink); }
.dim-row.is-weak .dim-val { color: var(--warn); }

/* 短板卡 */
.gap-list { display: grid; gap: 14px; }
.gap-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--warn);
  border-radius: var(--r);
  padding: 22px 24px;
  box-shadow: var(--sh-1);
}
.gap-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.gap-rank {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  color: #fff;
  background: var(--warn);
  padding: 2px 8px;
  border-radius: 5px;
}
.gap-name { font-size: 15.5px; font-weight: 800; color: var(--ink); }
.gap-score {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--warn);
  font-variant-numeric: tabular-nums;
  margin-left: auto;
}
.gap-desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}
.gap-meta { display: grid; gap: 9px; }
.gap-line {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  font-size: 13.5px;
  line-height: 1.7;
}
.gap-line dt { color: var(--ink-4); font-size: 12.5px; font-weight: 600; padding-top: 1px; }
.gap-line dd { margin: 0; color: var(--ink-2); }
.gap-line dd b { color: var(--ink); font-weight: 700; }

.gap-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 15px;
  font-size: 13.5px;
  font-weight: 700;
  /* --brand 是 #6366f1，13.5px 小字在纯白上只有 4.47:1，差一点；--primary-dark 是 5.85 */
  color: var(--primary-dark);
}
.gap-link svg { transition: transform .18s; }
.gap-link:hover svg { transform: translateX(3px); }

/* 路径 */
.path-card {
  background: linear-gradient(150deg, rgba(99, 102, 241, .05) 0%, #ffffff 58%);
  border: 1px solid rgba(99, 102, 241, .16);
  border-radius: var(--r-lg);
  padding: clamp(24px, 4vw, 34px);
}
.path-step {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}
.path-step:last-child { border-bottom: 0; padding-bottom: 0; }
.path-step:first-child { padding-top: 0; }
.path-no {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12.5px;
  font-weight: 800;
  color: #fff;
  background: var(--gradient-primary);
}
.path-step:not(:first-child) .path-no { background: #c7d2e4; }
.path-t { font-size: 15px; font-weight: 700; margin: 0 0 4px; }
.path-d { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--ink-3); }

/* 洞察 */
.ins-list { display: grid; gap: 9px; }
.ins-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 15px 18px;
  transition: border-color .18s, box-shadow .18s, transform .18s;
  color: var(--ink);
}
.ins-item:hover {
  text-decoration: none;
  border-color: rgba(99, 102, 241, .28);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-1px);
}
.ins-text { font-size: 14px; line-height: 1.6; }
.ins-src { display: block; font-size: 11.5px; color: var(--ink-4); margin-top: 4px; }
.ins-arrow { color: var(--ink-4); }

/* 底部操作 */
.rep-actions {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: stretch;
}
/* 等宽：flex 1 1 0 仍受 min-content 影响，第一个会宽出 10px。
   直接四等分，宽度绝对值一致。 */
.rep-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.rep-actions .btn { justify-content: center; }
/* 窄屏：四个按钮排成 2×2，避免自动换行后每行宽度参差 */
@media (max-width: 560px) {
  .rep-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .rep-actions .btn {
    width: 100%;
    padding-left: 10px;
    padding-right: 10px;
    text-align: center;
    justify-content: center;
  }
}

.note-box {
  margin-top: 32px;
  padding: 18px 20px;
  background: rgba(99, 102, 241, .04);
  border: 1px solid rgba(99, 102, 241, .12);
  border-radius: 12px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-4);
}

/* ── 页脚：与官网 SiteFooter 同一套 ─────────────────── */
footer {
  background: linear-gradient(180deg, #0c1222 0%, #0f172a 30%, #1e293b 100%);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 5% 32px;
  margin-top: 55px;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  position: relative;
  z-index: 1;
}
.footer-logo {
  display: flex;
  align-items: center;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-logo img { display: block; height: 40px; width: auto; }
.footer-logo a:hover { text-decoration: none; }
.footer-logo span {
  padding-left: 10px;
  color: rgba(255, 255, 255, 0.95);
}
footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95em;
  line-height: 1.65;
}
.footer-links h4 {
  color: rgba(255, 255, 255, 0.95);
  margin: 0 0 20px;
  font-size: 1.05em;
  font-weight: 600;
}
.footer-links ul { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.95em;
}
.footer-links a:hover {
  color: var(--tech-cyan-bright);
  text-decoration: none;
}
.copyright {
  text-align: center;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1;
}
.copyright p {
  font-size: 0.9em;
  color: rgba(255, 255, 255, 0.55);
}

/* 嵌入模式：外层页面已经有导航、面包屑和页脚。
   内页的「返回资源中心」是另一套箭头样式，嵌进去会和官网面包屑叠成两套返回。 */
html.is-embed footer,
html.is-embed .back-bar { display: none; }
html.is-embed .view-intro { padding-top: 12px; }
html.is-embed .view-calc { min-height: 420px; }

/* ── 打印 / 存 PDF ───────────────────────────────────── */
@media print {
  .navbar, footer, .back-bar, .rep-actions, .kbd-tip { display: none !important; }
  body { background: #fff; }
  .view-report { padding: 0; }
  .score-card, .radar-card, .gap-card, .ins-item, .path-card {
    box-shadow: none !important;
    break-inside: avoid;
  }
  .sec { margin-top: 26px; }
}

/* ── 减少动效偏好 ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}