/* parkkoo / Inkling 落地页
   深色「车库」基调 + 三种标注色（与插件一致）
   不引外部字体和 CDN：国内直连不卡首屏 */

:root {
  --bg: #0b0d10;
  --bg-soft: #101318;
  --panel: #151920;
  --line: #242a33;
  --line-soft: #1b2027;
  --text: #e9ecf1;
  --muted: #98a1ac;
  --dim: #6b747e;
  /* 与插件一致：重点=蓝，疑问=黄，惊喜=红 */
  --focus: #3d9bff;
  --question: #f7b500;
  --spark: #ff5c5c;
  --paper: #f6f3ea;
  --paper-ink: #23262b;
  --radius: 10px;
  --wrap: 1060px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  /* 地面标线的暗示：极淡的斜纹 */
  background-image:
    repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.016) 0 1px, transparent 1px 26px);
}

::selection { background: rgba(247, 181, 0, 0.28); }

a { color: inherit; text-decoration: none; }

img { display: block; }

code, kbd { font-family: var(--mono); }

kbd {
  display: inline-block;
  padding: 0 5px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 12px;
  line-height: 1.8;
}

/* ---------- 顶栏 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px max(24px, calc((100vw - var(--wrap)) / 2));
  border-bottom: 1px solid var(--line-soft);
  background: rgba(11, 13, 16, 0.82);
  backdrop-filter: blur(10px);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { flex: 0 0 auto; }
.brand-name { font-size: 17px; font-weight: 750; letter-spacing: 0.01em; }
.brand-domain {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.site-nav { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.site-nav a { color: var(--muted); transition: color 0.15s ease; }
.site-nav a:hover { color: var(--text); }
.nav-cta {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text) !important;
  font-size: 13px;
}
.nav-cta:hover { border-color: var(--spark); }

/* ---------- 通用排版 ---------- */

main { overflow: hidden; }

.slot-label {
  margin: 0 0 18px;
  color: #7d8792;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.slot-label span { color: #39414b; letter-spacing: 0.1em; }

.section-title {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 760;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.section-lead {
  margin: 0 0 22px;
  max-width: 58ch;
  color: var(--muted);
  font-size: 15.5px;
}

section { padding: 92px max(24px, calc((100vw - var(--wrap)) / 2)); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding-top: 92px;
  padding-bottom: 72px;
}

/* 车位编号水印：整页只有一处，别加第二个 */
.hero-watermark {
  position: absolute;
  top: -40px;
  right: max(-30px, calc((100vw - var(--wrap)) / 2 - 120px));
  z-index: 0;
  color: rgba(255, 255, 255, 0.022);
  font-family: var(--mono);
  font-size: clamp(300px, 42vw, 560px);
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.hero > *:not(.hero-watermark) { position: relative; z-index: 1; }

.hero-title {
  margin: 0 0 26px;
  font-size: clamp(38px, 6.6vw, 78px);
  font-weight: 820;
  letter-spacing: -0.03em;
  line-height: 1.14;
}

.hero-title em {
  position: relative;
  font-style: normal;
  color: var(--spark);
}
.hero-title em::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: 0.08em;
  height: 0.14em;
  border-radius: 2px;
  background: rgba(255, 92, 92, 0.3);
}

.hero-sub {
  margin: 0 0 30px;
  max-width: 52ch;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 18px);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 650;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--text); color: #0b0d10; }
.btn-primary:hover { background: #fff; }

.btn-ghost { border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--muted); }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 56px;
  padding: 0;
  list-style: none;
  color: var(--dim);
  font-size: 13px;
}
.hero-meta li::before {
  content: "·";
  margin-right: 8px;
  color: var(--line);
}

/* ---------- 演示 ---------- */

.demo {
  position: relative;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
}

.demo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  font-size: 12.5px;
}
.demo-hint { color: var(--dim); font-family: var(--mono); }
.demo-legend { display: inline-flex; align-items: center; gap: 14px; color: var(--muted); }

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 5px;
  border-radius: 50%;
  vertical-align: -1px;
}
.dot-focus { background: var(--focus); }
.dot-question { background: var(--question); }
.dot-spark { background: var(--spark); }

.demo-paper {
  padding: 30px 34px;
  border-radius: 6px;
  background: var(--paper);
  color: var(--paper-ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 2;
  cursor: text;
}

.demo-paper p { margin: 0; }

.mk-focus { background: rgba(61, 155, 255, 0.26); color: inherit; }
.mk-question { background: rgba(247, 181, 0, 0.40); color: inherit; }
.mk-spark { background: rgba(255, 92, 92, 0.26); color: inherit; }

.picker {
  position: absolute;
  z-index: 5;
  display: flex;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #0e1116;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.picker[hidden] { display: none; }
.picker button {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 5px 11px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  cursor: pointer;
}
.picker button:hover { background: var(--line-soft); color: var(--text); }

/* 第四个按钮不是颜色：问完就扔的那种 */
.dot-instant {
  border-radius: 2px;
  background: transparent;
  border: 1px dashed var(--muted);
}
.picker-split {
  width: 1px;
  align-self: stretch;
  margin: 3px 3px;
  background: var(--line);
}
.picker button[data-action="instant"] { padding-left: 8px; }

/* 即时解答 mock：答案面板排在演示纸下面，不盖住正文 */
.answer {
  margin: 12px 0 0;
  max-width: 620px;
  padding: 14px 16px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0e1116;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.answer[hidden] { display: none; }
.answer-q {
  margin: 0 0 9px;
  padding-left: 9px;
  border-left: 2px solid var(--line);
  color: var(--dim);
  font-size: 12.5px;
}
.answer-body { margin: 0 0 8px; color: var(--text); max-width: 62ch; }
.answer-note { margin: 0 0 11px; color: var(--dim); font-size: 11.5px; }
.answer-actions { display: flex; gap: 8px; }
.answer-actions button {
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  cursor: pointer;
}
.answer-actions button:hover { border-color: var(--muted); color: var(--text); }
.answer-actions button[data-answer="save"],
.answer-actions button[data-answer="delete"] {
  border-color: var(--muted);
  color: var(--text);
}

/* 保存之后：那句原文是灰色虚线，点它可再看答案或删除 */
.mk-instant {
  border-bottom: 1px dashed #8f959e;
  background: rgba(140, 146, 155, 0.12);
  cursor: pointer;
}

.demo-status {
  margin: 14px 0 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 12px;
}
.demo-status[hidden] { display: none; }

/* ---------- 三步 ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 40px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--line-soft);
  overflow: hidden;
}

.step {
  position: relative;
  padding: 28px 26px 30px;
  background: var(--bg);
}
.step-no {
  display: block;
  margin-bottom: 16px;
  color: var(--line);
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.step h3 {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 720;
}
.step p { margin: 0; color: var(--muted); font-size: 14.5px; }

.ink-focus { color: var(--focus); }
.ink-question { color: var(--question); }
.ink-spark { color: var(--spark); }

/* ---------- 自带 Key ---------- */

.key {
  border-top: 1px dashed var(--line-soft);
  border-bottom: 1px dashed var(--line-soft);
  background: var(--bg-soft);
}

.key-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.chips li {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
}
.chips li:last-child { border-style: dashed; color: var(--dim); }

.code {
  margin: 0;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0a0c10;
  color: #cfd6de;
  font-size: 13px;
  line-height: 1.85;
  overflow-x: auto;
}
.code code { white-space: pre; }

/* ---------- 安装 ---------- */

.install-steps {
  margin: 36px 0 30px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.install-steps li {
  display: flex;
  gap: 18px;
  padding: 20px 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
}
.install-no {
  flex: 0 0 26px;
  color: var(--spark);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.7;
}
.install-steps strong { display: block; margin-bottom: 4px; font-size: 15.5px; }
.install-steps p { margin: 0; color: var(--muted); font-size: 14px; }
.install-steps code {
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 12.5px;
}

.install-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.install-note { margin: 18px 0 0; color: var(--dim); font-size: 13px; }
.install-note code { color: var(--muted); }

/* ---------- FAQ ---------- */

.faq-list {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--line-soft);
  overflow: hidden;
}
.faq-list details { background: var(--bg); }
.faq-list summary {
  padding: 18px 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  color: var(--spark);
  font-family: var(--mono);
}
.faq-list details[open] summary::before { content: "–"; }
.faq-list details p {
  margin: 0;
  padding: 0 22px 20px 40px;
  color: var(--muted);
  font-size: 14.5px;
}
.faq-list code {
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--bg-soft);
  font-size: 12.5px;
}

/* ---------- 页脚 ---------- */

.site-footer {
  padding: 56px max(24px, calc((100vw - var(--wrap)) / 2)) 34px;
  border-top: 1px solid var(--line-soft);
  background: var(--bg-soft);
}
.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 30px;
}
.footer-brand p { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 24px; font-size: 14px; color: var(--muted); }
.footer-links a:hover { color: var(--text); }
.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  color: var(--dim);
  font-size: 12.5px;
  font-family: var(--mono);
}

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .key-grid { grid-template-columns: 1fr; gap: 28px; }
  .steps { grid-template-columns: 1fr; }
  .step-no { margin-bottom: 8px; font-size: 24px; }
}

@media (max-width: 640px) {
  section { padding: 64px 20px; }
  .site-header { padding: 12px 20px; }
  .site-nav { gap: 14px; font-size: 13px; }
  .site-nav a:not(.nav-cta) { display: none; }
  .br-wide { display: none; }
  .demo-paper { padding: 22px 20px; font-size: 15.5px; line-height: 1.95; }
  .hero-meta { margin-bottom: 40px; }
  .picker { flex-wrap: wrap; max-width: calc(100% - 12px); }
  .picker button { padding: 5px 8px; font-size: 12px; }
}

/* ---------- 真实界面截图 ---------- */

.shot { padding-top: 0; }

.shot-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.shot-figure { max-width: 860px; margin: 0 auto; }
.shot-figure img { width: 100%; height: auto; display: block; }
.shot-figure figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--dim);
  font-size: 13px;
}

.step-note {
  margin-top: 10px !important;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  color: var(--dim) !important;
  font-size: 13px !important;
}