/* 智慧医药冷链方案 - 医疗科技风格扩展 */
/* 复用 food-safety.css 的 fs-* 组件体系，仅做医药场景微调 */

.fs-hero--medical {
  background: radial-gradient(60% 50% at 78% 12%, rgba(63,150,220,.16), transparent 70%);
}

.fs-feature-block__title {
  gap: 16px;
  margin-bottom: 14px;
  font-size: clamp(23px, 2.15vw, 30px);
}

.fs-feature-block__title span {
  font-size: 14px;
  line-height: 1;
}

/* Q1-Q4 + Copilot：参考首页右侧对话面板的轻量实现。 */
.md-qa-console {
  display: grid;
  grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr);
  gap: 20px;
  min-height: 390px;
}

.md-qa-tabs {
  display: grid;
  gap: 10px;
}

.md-qa-tab {
  position: relative;
  display: grid;
  grid-template-columns: 38px 1fr 20px;
  gap: 12px;
  align-items: center;
  overflow: hidden;
  min-height: 80px;
  padding: 16px 18px;
  border: 1px solid rgba(16,42,58,.12);
  border-radius: 8px;
  background: rgba(255,255,255,.72);
  color: #10222f;
  text-align: left;
  cursor: pointer;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}

.md-qa-tab::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #0ba99b, #2478d2);
  transform: scaleX(0);
  transform-origin: left center;
}

.md-qa-tab span {
  color: #0ba99b;
  font: 600 12px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .12em;
}

.md-qa-tab b {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0;
}

.md-qa-tab i {
  color: #6c8290;
  font-style: normal;
  transition: transform .25s ease, color .25s ease;
}

.md-qa-tab:hover,
.md-qa-tab:focus-visible {
  border-color: rgba(11,169,155,.38);
  outline: none;
}

.md-qa-tab.is-active {
  border-color: rgba(11,169,155,.46);
  background: linear-gradient(100deg, rgba(11,169,155,.09), rgba(255,255,255,.96) 70%);
  box-shadow: 0 12px 32px rgba(15,40,60,.1);
}

.md-qa-tab.is-active::after {
  animation: mdQaTabProgress var(--qa-cycle-duration, 4.8s) linear forwards;
}

.md-qa-tab.is-active i {
  color: #0ba99b;
  transform: translateX(3px);
}

.md-qa-copilot {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(16,42,58,.12);
  border-radius: 8px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 20px 54px rgba(15,40,60,.12);
}

.md-qa-copilot__head,
.md-qa-copilot__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(16,42,58,.09);
}

.md-qa-copilot__head span {
  color: #58717f;
  font: 600 11px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .16em;
}

.md-qa-copilot__head b {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #0ba99b;
  font-size: 11px;
  font-weight: 500;
}

.md-qa-copilot__head b i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0ba99b;
  box-shadow: 0 0 0 5px rgba(11,169,155,.1);
  animation: mdQaOnline 2s ease-in-out infinite;
}

.md-qa-copilot__feed {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 28px 24px;
  background:
    linear-gradient(rgba(255,255,255,.82), rgba(255,255,255,.82)),
    repeating-linear-gradient(0deg, transparent 0 30px, rgba(36,120,210,.035) 30px 31px);
}

.md-qa-message {
  max-width: 84%;
  padding: 14px 16px;
  border: 1px solid rgba(11,169,155,.24);
  border-radius: 8px;
  transition: opacity .2s ease, transform .24s ease;
}

.md-qa-message small {
  display: block;
  margin-bottom: 7px;
  color: #0ba99b;
  font: 600 9px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .14em;
}

.md-qa-message p {
  margin: 0;
  color: #294454;
  font-size: 13.5px;
  line-height: 1.75;
}

.md-qa-message--user {
  align-self: flex-end;
  max-width: 72%;
  background: rgba(11,169,155,.07);
  transform-origin: right center;
}

.md-qa-message--user small {
  text-align: right;
}

.md-qa-message--ai {
  align-self: flex-start;
  background: rgba(245,250,252,.94);
  box-shadow: 0 8px 24px rgba(15,40,60,.07);
  transform-origin: left center;
}

.md-qa-typing {
  position: absolute;
  left: 24px;
  bottom: 14px;
  display: flex;
  gap: 5px;
  opacity: 0;
  transition: opacity .18s ease;
}

.md-qa-typing i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #0ba99b;
  animation: mdQaTyping .9s ease-in-out infinite alternate;
}

.md-qa-typing i:nth-child(2) { animation-delay: .15s; }
.md-qa-typing i:nth-child(3) { animation-delay: .3s; }

.md-qa-console.is-switching .md-qa-message--user {
  opacity: 0;
  transform: translateX(16px);
}

.md-qa-console.is-switching .md-qa-message--ai {
  opacity: 0;
  transform: translateY(8px);
}

.md-qa-console.is-switching .md-qa-typing {
  opacity: 1;
}

.md-qa-console.is-typing .md-qa-typing {
  opacity: 1;
}

.md-qa-console.is-typing [data-md-qa-answer]::after {
  content: '';
  display: inline-block;
  width: 1px;
  height: 1em;
  margin-left: 3px;
  background: #0ba99b;
  vertical-align: -2px;
  animation: mdQaCaret .65s steps(1, end) infinite;
}

.md-qa-copilot__foot {
  border-top: 1px solid rgba(16,42,58,.09);
  border-bottom: 0;
  color: #78909d;
  font-size: 9px;
  letter-spacing: .08em;
}

.md-qa-copilot__foot b {
  color: #0b8f88;
  font: 600 9px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

@keyframes mdQaTabProgress {
  to { transform: scaleX(1); }
}

@keyframes mdQaOnline {
  50% { opacity: .42; transform: scale(.82); }
}

@keyframes mdQaTyping {
  to { opacity: .28; transform: translateY(-3px); }
}

@keyframes mdQaCaret {
  50% { opacity: 0; }
}

@media (max-width: 760px) {
  .md-qa-console {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .md-qa-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .md-qa-tab {
    grid-template-columns: 30px 1fr;
    min-height: 72px;
    padding: 13px 14px;
  }

  .md-qa-tab i { display: none; }
  .md-qa-tab b { font-size: 13px; line-height: 1.45; }
  .md-qa-copilot { min-height: 330px; }
  .md-qa-message { max-width: 92%; }
  .md-qa-message--user { max-width: 82%; }
}

@media (max-width: 600px) {
  .fs-feature-block__title {
    align-items: flex-start;
    gap: 10px;
    font-size: 22px;
    line-height: 1.35;
  }

  .fs-feature-block__title span {
    flex: none;
    margin-top: 8px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .md-qa-tab.is-active::after,
  .md-qa-copilot__head b i,
  .md-qa-typing i,
  .md-qa-console.is-typing [data-md-qa-answer]::after {
    animation: none;
  }
}

/* 产品卡片作为链接 */
a.fs-product-card { text-decoration: none; color: inherit; display: block; }

/* 三列卡片网格（用于特征展示） */
.fs-card-grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .fs-card-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .fs-card-grid--3 { grid-template-columns: 1fr; } }