:root {
  --leaf: #3d5c2e;
  --leaf-2: #5b8a3a;
  --gold: #d4c45a;
  --oil: #f4f1dc;
  --warn: #c47a28;
  --ink: #1e2418;
  --mute: #6a735c;
  --line: rgba(61, 92, 46, 0.18);
  --display: "Newsreader", "Noto Serif SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 64px;
}

body {
  margin: 0;
  background: var(--oil);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

img {
  max-width: 100%;
  display: block;
}

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

a[href^="https://apps.chatsoftware.cn"] {
  color: var(--leaf-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button {
  font-family: inherit;
  cursor: pointer;
}

code {
  font-family: ui-monospace, Menlo, monospace;
}

.paste {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  opacity: 0.07;
  background-image: url("images/texture.webp");
  background-size: 480px;
  mix-blend-mode: multiply;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 8px;
  top: 8px;
  z-index: 60;
  background: var(--gold);
  padding: 8px;
}

.millbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 20px;
  background: rgba(244, 241, 220, 0.94);
  border-bottom: 2px solid var(--leaf-2);
}

.name {
  font-family: var(--display);
  font-weight: 600;
}

.name small {
  display: block;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--mute);
}

.more {
  display: none;
  margin-left: auto;
  background: var(--leaf);
  color: var(--oil);
  border: 0;
  padding: 6px 12px;
}

#line {
  display: flex;
  gap: 14px;
  align-items: center;
  font-size: 14px;
}

#line a {
  color: var(--mute);
}

#line a:hover,
#line a.on {
  color: var(--leaf);
}

.gold {
  display: inline-flex;
  padding: 8px 14px;
  background: var(--gold);
  color: var(--ink) !important;
  text-decoration: none !important;
  font-weight: 600;
}

.paste-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 86vh;
  background: var(--leaf);
  color: var(--oil);
}

.paste-hero img {
  width: 100%;
  height: 100%;
  min-height: 86vh;
  object-fit: cover;
}

.limit {
  padding: 8vh 5vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.k {
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--gold);
}

.big {
  font-family: ui-monospace, Menlo, monospace;
  font-size: clamp(28px, 5vw, 48px);
  margin: 8px 0 0;
  color: var(--gold);
}

h1 {
  font-family: var(--display);
  font-size: clamp(32px, 4.6vw, 52px);
  line-height: 1.12;
  margin: 8px 0 16px;
}

h2 {
  font-family: var(--display);
  font-size: clamp(24px, 3vw, 36px);
}

h3 {
  margin: 0 0 8px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.linebtn {
  border: 1px solid var(--oil);
  padding: 8px 14px;
}

.slab {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0;
}

.olivebg {
  width: 100%;
  background: #e7ecd4;
  padding: 64px 0;
}

.olivebg .k,
.olivebg h2,
.olivebg .hint,
.olivebg .flowrow,
.olivebg .three {
  width: min(1080px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.hint {
  color: var(--mute);
}

.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.three article {
  background: #fffdf3;
  border: 1px solid var(--line);
  padding: 16px;
  border-top: 6px solid var(--leaf-2);
}

.three ul,
#edge ol {
  margin: 0;
  padding-left: 1.1em;
}

.three li {
  color: var(--mute);
}

.flowrow {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
  margin: 28px auto;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line);
}

.flowrow span {
  font-family: ui-monospace, Menlo, monospace;
  color: var(--leaf-2);
  font-size: 12px;
}

.flowrow img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--mute);
  font-style: italic;
}

.flowrow p {
  color: var(--mute);
}

.chain {
  margin-top: 12px;
  padding: 10px;
  background: #fffdf3;
  border: 1px solid var(--warn);
}

.bar {
  height: 10px;
  background: #dfe6c8;
  margin: 8px 0;
}

.bar i {
  display: block;
  height: 100%;
  width: 90%;
  background: linear-gradient(90deg, var(--leaf-2), var(--gold));
}

.chain button {
  background: transparent;
  border: 1px solid var(--leaf);
  color: var(--leaf);
  padding: 4px 10px;
}

.six {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  list-style: none;
  padding: 0;
}

.six li {
  background: #fffdf3;
  padding: 14px;
  border-left: 4px solid var(--gold);
}

.six p {
  margin: 0;
  color: var(--mute);
  font-size: 14px;
}

#edge ol {
  max-width: 42em;
}

footer {
  background: var(--leaf);
  color: var(--oil);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 6vw;
  font-size: 13px;
}

footer a {
  color: var(--gold);
}

@media (max-width: 860px) {
  .more {
    display: block;
  }

  #line {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 16px 18px;
    background: var(--oil);
    border-bottom: 2px solid var(--leaf-2);
  }

  #line.open {
    display: flex;
  }

  .paste-hero,
  .three,
  .flowrow,
  .six,
  footer {
    grid-template-columns: 1fr;
    display: grid;
  }

  .paste-hero img {
    min-height: 28vh;
  }

  .limit {
    padding: 28px 20px 36px;
  }

  .big {
    font-size: 28px;
  }

  footer {
    display: flex;
    flex-direction: column;
  }

  .flowrow img {
    height: 180px;
  }
}