ai {
  --主色: #111;
  --底色: #fff;
  --网点灰: #f5f5f5;
  --冷蓝: #4a9eff;
  --樱粉: #ff6b9f;
  --薄荷绿: #5cd6a0;
  display: block;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--主色);
  background: var(--底色);
  margin: 0;
  padding: 0;
}

/* ====== 场景信息栏 ====== */
ai hd {
  display: grid;
  grid-template-areas: 
    ". time ."
    "weather time location"
    "scene scene scene";
  grid-template-columns: 1fr auto 1fr;
  gap: 8px 12px;
  padding: 16px 12px 12px;
  border: 3px solid var(--主色);
  background: var(--底色);
  position: relative;
  margin-bottom: 16px;
}

ai hd::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: 
    linear-gradient(45deg, transparent 48%, var(--主色) 48%, var(--主色) 52%, transparent 52%),
    linear-gradient(-45deg, transparent 48%, var(--主色) 48%, var(--主色) 52%, transparent 52%);
  background-size: 8px 8px;
  background-position: 0 0, 4px 0;
  opacity: 0.15;
  pointer-events: none;
}

ai hd t {
  grid-area: time;
  font-size: 18px;
  font-weight: 700;
  color: var(--冷蓝);
  text-align: center;
  align-self: center;
  letter-spacing: 1px;
  text-shadow: 2px 2px 0 var(--主色);
  animation: breath 3s ease-in-out infinite;
}

@keyframes breath {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.75; }
}

ai hd .w {
  grid-area: weather;
  font-size: 13px;
  padding: 4px 8px;
  background: var(--网点灰);
  border: 2px solid var(--主色);
  align-self: center;
  justify-self: start;
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0 100%);
}

ai hd .loc {
  grid-area: location;
  font-size: 13px;
  padding: 4px 8px;
  background: var(--网点灰);
  border: 2px solid var(--主色);
  align-self: center;
  justify-self: end;
  clip-path: polygon(5% 0, 100% 0, 100% 100%, 0 100%);
}

ai hd sc {
  grid-area: scene;
  font-size: 12px;
  text-align: center;
  padding: 6px;
  border-top: 2px solid var(--主色);
  position: relative;
  background: 
    repeating-linear-gradient(
      90deg,
      var(--底色) 0px,
      var(--底色) 2px,
      transparent 2px,
      transparent 4px
    );
}

/* ====== 正文区 ====== */
ai article {
  padding: 18px 14px;
  border: 2px solid var(--主色);
  background: var(--底色);
  margin-bottom: 12px;
  position: relative;
  font-size: 15px;
  letter-spacing: 0.3px;
  line-height: 1.85;
}

ai article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--冷蓝), var(--樱粉));
}

ai article p {
  margin: 0;
  padding: 0;
  text-align: justify;
  text-indent: 2em;
}

ai article p + p {
  margin-top: 14px;
}

ai article p:first-child {
  margin-top: 0;
}

/* ====== details状态栏通用 ====== */
ai details {
  border: 2px solid var(--主色);
  margin-bottom: 8px;
  background: var(--底色);
}

ai details summary {
  padding: 8px 10px;
  background: var(--主色);
  color: var(--底色);
  font-weight: 700;
  cursor: pointer;
  transform: skewX(-5deg);
  list-style: none;
  user-select: none;
}

ai details summary::before {
  content: "▶ ";
  display: inline-block;
  transition: transform 0.2s;
  transform: skewX(5deg);
}

ai details[open] summary::before {
  transform: skewX(5deg) rotate(90deg);
}

ai details summary:hover {
  background: var(--冷蓝);
}

ai details p {
  margin: 0;
  padding: 10px 8px 8px;
  border-top: 2px solid var(--主色);
  background: var(--网点灰);
  position: relative;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

ai details p[t]::before {
  content: attr(t);
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--樱粉);
  writing-mode: vertical-rl;
  font-size: 11px;
  font-weight: 700;
  color: var(--底色);
  padding: 4px 1px;
  text-orientation: upright;
  letter-spacing: -2px;
}

ai details p[t] {
  padding-left: 14px;
}

ai details d {
  display: block;
  padding: 3px 0;
  border-bottom: 1px dashed #ddd;
}

ai details d:last-child {
  border-bottom: none;
}

/* ====== 选项区 ====== */
ai opt {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px;
  border: 3px solid var(--主色);
  background: 
    repeating-linear-gradient(
      45deg,
      var(--底色) 0px,
      var(--底色) 10px,
      var(--网点灰) 10px,
      var(--网点灰) 20px
    );
}

ai opt d {
  padding: 10px;
  border: 2px solid var(--主色);
  background: var(--底色);
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
}

ai opt d::before {
  content: "";
  position: absolute;
  inset: -2px;
  border: 2px solid transparent;
  transition: border-color 0.15s;
}

ai opt d:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--薄荷绿);
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translate(-2px, -2px); }
  25% { transform: translate(-3px, -1px); }
  75% { transform: translate(-1px, -3px); }
}

ai opt d:hover::before {
  border-color: var(--薄荷绿);
}

ai opt d:nth-child(4) {
  background: linear-gradient(135deg, var(--底色) 0%, #fff5f8 100%);
  font-style: italic;
}

ai opt d:nth-child(4):hover {
  box-shadow: 4px 4px 0 var(--樱粉);
}

ai opt d:nth-child(4):hover::before {
  border-color: var(--樱粉);
}

/* ====== 响应式微调 ====== */
@media (max-width: 480px) {
  ai hd {
    gap: 6px 8px;
    padding: 12px 8px 10px;
  }
  ai hd t {
    font-size: 16px;
  }
  ai opt {
    grid-template-columns: 1fr;
  }
}