/* 明德眼科 — 仿医院官网布局与动效 */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

:root {
  --md-blue: #0081CC;
  --md-green: #6FBA2C;
  --md-orange: #F39800;
  --md-bg: #F2F5FF;
  --md-tint: #E7EDFF;
  --md-ink: #111827;
  --md-muted: rgba(17, 24, 39, .45);
  --md-line: rgba(17, 24, 39, .1);
  --md-head: 5.5rem;
  --md-gutter: clamp(1rem, 5vw, 5rem);
  --md-ease: .4s ease;
  --md-max: 1280px;
}

.md-body {
  margin: 0;
  padding: 0 !important;
  background: var(--md-bg);
  color: #334155;
  font-family: "Sora", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.md-body a { text-decoration: none; color: inherit; }
.md-body img { max-width: 100%; display: block; }
.md-wh {
  width: min(100% - 2 * var(--md-gutter), var(--md-max));
  margin-inline: auto;
}

/* —— Header —— */
.md-head { position: relative; z-index: 200; }
.md-head__bar {
  background: var(--md-blue);
  color: #fff;
  font-size: .875rem;
  line-height: 2.5rem;
}
.md-head__bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.md-head__bar a { color: #fff; opacity: .92; transition: opacity var(--md-ease); }
.md-head__bar a:hover { opacity: 1; }
.md-head__cta { display: flex; gap: 1.25rem; }
.md-head__main {
  background: #fff;
  min-height: var(--md-head);
  display: flex;
  align-items: center;
  box-shadow: 0 1px 0 var(--md-line);
  transition: box-shadow var(--md-ease);
}
.md-head__main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
}
.md-logo {
  font-family: "Sora", "Noto Sans SC", sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--md-blue);
  letter-spacing: .02em;
  white-space: nowrap;
}
.md-logo span { color: var(--md-ink); font-weight: 600; }
.md-nav { display: flex; align-items: center; gap: .25rem; list-style: none; margin: 0; padding: 0; }
.md-nav > li { position: relative; }
.md-nav > li > a {
  display: block;
  padding: 1.75rem .9rem;
  font-size: .95rem;
  font-weight: 500;
  color: var(--md-ink);
  transition: color var(--md-ease);
}
.md-nav > li > a:hover,
.md-nav > li.is-active > a { color: var(--md-blue); }
.md-nav .md-sub {
  position: absolute;
  left: 0; top: 100%;
  min-width: 12rem;
  background: #fff;
  border: 1px solid var(--md-line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--md-ease);
  list-style: none;
  margin: 0;
  padding: .5rem 0;
  z-index: 30;
}
.md-nav > li:hover > .md-sub {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.md-nav .md-sub a {
  display: block;
  padding: .55rem 1.1rem;
  font-size: .9rem;
  color: #475569;
}
.md-nav .md-sub a:hover { color: var(--md-blue); background: var(--md-bg); }

.md-head.is-sticky .md-head__main {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 210;
  animation: md-sticky-in .55s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .06);
}
@keyframes md-sticky-in {
  from { transform: translateY(-100%); }
  to { transform: none; }
}

.md-m-toggle {
  display: none;
  width: 2.5rem; height: 2.5rem;
  border: 0; background: transparent;
  flex-direction: column; justify-content: center; gap: 5px;
  cursor: pointer;
}
.md-m-toggle span {
  display: block; height: 2px; width: 100%;
  background: var(--md-ink); transition: var(--md-ease);
}
.md-m-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--md-line);
  padding: .75rem var(--md-gutter) 1.25rem;
}
.md-m-menu.is-open { display: block; }
.md-m-menu a {
  display: block;
  padding: .7rem 0;
  border-bottom: 1px solid var(--md-line);
  color: var(--md-ink);
  font-weight: 500;
}

@media (max-width: 990px) {
  .md-pc-only { display: none !important; }
  .md-m-toggle { display: flex; }
  .md-head__bar { font-size: .8rem; line-height: 2rem; }
  .md-head__main { min-height: 3.75rem; }
}

/* —— Hero —— */
.md-hero {
  position: relative;
  min-height: min(78vh, 640px);
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(0, 74, 128, .72) 0%, rgba(0, 129, 204, .35) 45%, rgba(111, 186, 44, .25) 100%),
    radial-gradient(ellipse at 70% 40%, #7dd3fc 0%, transparent 55%),
    linear-gradient(160deg, #0c4a6e 0%, #0284c7 50%, #38bdf8 100%);
}
.md-hero__media {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .45;
}
.md-hero .swiper,
.md-hero .swiper-slide { height: min(78vh, 640px); }
.md-hero__slide {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}
.md-hero__copy {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 36rem;
  padding: 4rem 0;
}
.md-hero__brand {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 .75rem;
  letter-spacing: -.02em;
}
.md-hero__lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  opacity: .92;
  margin: 0 0 1.75rem;
  line-height: 1.6;
  max-width: 28rem;
}
.md-hero .swiper-pagination-bullet {
  width: .65rem; height: .65rem;
  background: #fff; opacity: .45;
}
.md-hero .swiper-pagination-bullet-active {
  opacity: 1;
  background: var(--md-orange);
}

.md-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .85rem 1.75rem;
  border-radius: .5rem;
  border: 1px solid currentColor;
  font-weight: 600;
  font-size: .95rem;
  transition: background var(--md-ease), color var(--md-ease), border-color var(--md-ease), transform var(--md-ease);
}
.md-btn:hover { transform: translateY(-1px); }
.md-btn--solid {
  background: #fff;
  color: var(--md-blue);
  border-color: #fff;
}
.md-btn--solid:hover { background: var(--md-green); color: #fff; border-color: var(--md-green); }
.md-btn--ghost {
  background: transparent;
  color: var(--md-blue);
  border-color: var(--md-blue);
}
.md-btn--ghost:hover { background: var(--md-blue); color: #fff; }
.md-btn--light {
  color: #fff;
  border-color: rgba(255,255,255,.85);
  background: transparent;
}
.md-btn--light:hover { background: #fff; color: var(--md-blue); }

/* —— Sections —— */
.md-sec { padding: clamp(3rem, 6vw, 5rem) 0; position: relative; }
.md-title { text-align: center; margin-bottom: clamp(1.75rem, 4vw, 2.75rem); }
.md-title--left { text-align: left; }
.md-title h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 700;
  color: var(--md-ink);
  letter-spacing: -.01em;
}
.md-entit {
  margin-top: .4rem;
  color: var(--md-blue);
  font-size: .95rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 600;
}
.md-sub {
  margin: .65rem auto 0;
  max-width: 36rem;
  color: var(--md-muted);
  font-size: .98rem;
  line-height: 1.7;
}
.md-title--left .md-sub { margin-left: 0; }

/* reveal */
.md-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s ease, transform .75s ease;
}
.md-reveal.is-in { opacity: 1; transform: none; }
.md-reveal-d1 { transition-delay: .1s; }
.md-reveal-d2 { transition-delay: .2s; }
.md-reveal-d3 { transition-delay: .3s; }
.md-reveal-d4 { transition-delay: .4s; }

.md-fang { overflow: hidden; }
.md-fang img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.md-fang:hover img { transform: scale(1.08); }

/* Services */
.md-svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.md-svc-card {
  background: #fff;
  text-align: center;
  padding: 2.25rem 1.25rem 1.75rem;
  transition: background var(--md-ease), color var(--md-ease), box-shadow var(--md-ease);
  cursor: pointer;
}
.md-svc-card:hover {
  background: var(--md-green);
  color: #fff;
  box-shadow: 0 16px 40px rgba(111, 186, 44, .25);
}
.md-svc-icon {
  width: 3.5rem; height: 3.5rem;
  margin: 0 auto 1.1rem;
  border-radius: 50%;
  background: var(--md-tint);
  color: var(--md-blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  transition: background var(--md-ease), color var(--md-ease);
}
.md-svc-card:hover .md-svc-icon { background: rgba(255,255,255,.2); color: #fff; }
.md-svc-card h3 { margin: 0 0 .5rem; font-size: 1.2rem; font-weight: 700; color: inherit; }
.md-svc-card p { margin: 0; font-size: .9rem; opacity: .75; line-height: 1.5; min-height: 2.7em; }
.md-svc-card .md-btn {
  margin-top: 1.25rem;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}
.md-svc-card:hover .md-btn {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  color: #fff;
  border-color: #fff;
}
@media (max-width: 900px) {
  .md-svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .md-svc-grid { grid-template-columns: 1fr; }
}

/* Tech */
.md-sec--tech { padding-bottom: clamp(3rem, 5vw, 4.5rem); }
.md-tech-banner {
  position: relative;
  min-height: 18rem;
  border-radius: 0;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(12, 74, 110, .85), rgba(0, 129, 204, .55)),
    linear-gradient(135deg, #0369a1, #0ea5e9);
  color: #fff;
  display: flex;
  align-items: center;
}
.md-tech-banner .md-wh { padding: 3rem 0; }
.md-tech-banner h2 { color: #fff; }
.md-tech-banner .md-entit { color: rgba(255,255,255,.85); }
.md-tech-cards {
  list-style: none;
  margin: -4.5rem 0 0;
  padding: 0 var(--md-gutter);
  max-width: calc(var(--md-max) + 2 * var(--md-gutter));
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  position: relative;
  z-index: 2;
}
.md-tech-card {
  background: #fff;
  padding: 1.5rem 1.25rem 1.35rem;
  transition: transform var(--md-ease), box-shadow var(--md-ease);
  border-top: 3px solid var(--md-blue);
}
.md-tech-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0, 129, 204, .12);
}
.md-tech-card h3 { margin: 0 0 .5rem; font-size: 1.1rem; color: var(--md-ink); }
.md-tech-card p { margin: 0; font-size: .88rem; color: var(--md-muted); line-height: 1.6; }
@media (max-width: 900px) {
  .md-tech-cards { grid-template-columns: 1fr 1fr; margin-top: -2rem; }
}
@media (max-width: 520px) {
  .md-tech-cards { grid-template-columns: 1fr; margin-top: 1rem; }
}

/* Doctors */
.md-split {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: stretch;
  justify-content: space-between;
}
.md-split__side { flex: 0 0 min(26%, 280px); }
.md-split__main { flex: 1; min-width: 0; }
.md-doc-nav {
  display: flex;
  gap: .65rem;
  margin-top: 1.5rem;
}
.md-doc-nav button {
  width: 2.75rem; height: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--md-line);
  background: #fff;
  color: var(--md-ink);
  cursor: pointer;
  transition: var(--md-ease);
}
.md-doc-nav button:hover {
  background: var(--md-orange);
  border-color: var(--md-orange);
  color: #fff;
}
.md-doc-card {
  background: #fff;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.md-doc-card__photo {
  aspect-ratio: 3/4;
  background: linear-gradient(160deg, #bae6fd, #e0f2fe);
  overflow: hidden;
}
.md-doc-card__body { padding: 1.15rem 1.1rem 1.35rem; }
.md-doc-card h3 { margin: 0 0 .35rem; font-size: 1.15rem; color: var(--md-ink); }
.md-doc-card .md-role { font-size: .82rem; color: var(--md-blue); margin-bottom: .55rem; font-weight: 600; }
.md-doc-card p {
  margin: 0;
  font-size: .86rem;
  color: var(--md-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.md-more-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem; height: 3.25rem;
  border-radius: 50%;
  background: var(--md-orange);
  color: #fff;
  margin-top: 1.25rem;
  transition: transform var(--md-ease), background var(--md-ease);
}
.md-more-x:hover { transform: scale(1.06); background: var(--md-blue); }

@media (max-width: 900px) {
  .md-split { flex-direction: column; }
  .md-split__side { flex: none; width: 100%; }
}

/* Why */
.md-why-media {
  position: relative;
  min-height: 22rem;
  background:
    linear-gradient(135deg, rgba(0, 129, 204, .2), rgba(12, 74, 110, .55)),
    linear-gradient(160deg, #0ea5e9, #0369a1);
  overflow: hidden;
}
.md-why-stamp {
  position: absolute;
  left: 8%;
  bottom: 12%;
  color: rgba(255,255,255,.88);
  font-weight: 700;
  line-height: 1.05;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.md-why-copy p { line-height: 1.85; color: #475569; margin: 1rem 0 1.5rem; }

/* Honors */
.md-honor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.md-honor-card {
  background: #fff;
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: transform var(--md-ease);
}
.md-honor-card:hover { transform: translateY(-4px); }
.md-honor-badge {
  width: 4rem; height: 4rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 2px solid var(--md-blue);
  color: var(--md-blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
}
.md-honor-card h3 { margin: 0; font-size: 1rem; color: var(--md-ink); line-height: 1.45; }
@media (max-width: 768px) {
  .md-honor-grid { grid-template-columns: 1fr 1fr; }
}

/* Stats */
.md-sec--stats {
  background: linear-gradient(90deg, var(--md-blue), #0ea5e9);
  color: #fff;
  padding: 3rem 0;
}
.md-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
.md-stats .md-counter {
  display: block;
  font-size: clamp(2rem, 4vw, 2.85rem);
  font-weight: 700;
  line-height: 1.1;
}
.md-stats p { margin: .45rem 0 0; opacity: .88; font-size: .92rem; }
@media (max-width: 768px) {
  .md-stats { grid-template-columns: 1fr 1fr; gap: 1.75rem; }
}

/* Environment */
.md-env-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: 12rem 12rem;
  gap: .75rem;
}
.md-env-item {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #bae6fd, #e0f2fe);
}
.md-env-item:first-child { grid-row: 1 / span 2; }
.md-env-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: .75rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,.55));
  color: #fff;
  font-size: .9rem;
  font-weight: 500;
}
@media (max-width: 768px) {
  .md-env-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .md-env-item:first-child { grid-row: auto; min-height: 12rem; }
  .md-env-item { min-height: 9rem; }
}

/* News */
.md-news {
  display: grid;
  grid-template-columns: 1fr 1.35fr 1fr;
  gap: 1.5rem;
}
.md-news-col {
  background: #fff;
  padding: 1.5rem 1.25rem;
  min-height: 100%;
}
.md-news-col h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  color: var(--md-ink);
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--md-blue);
}
.md-news-col .md-entit { font-size: .75rem; margin: -.5rem 0 .85rem; }
.md-news-list { list-style: none; margin: 0; padding: 0; }
.md-news-list li { border-bottom: 1px solid var(--md-line); }
.md-news-list a {
  display: block;
  padding: .85rem 0;
  font-size: .92rem;
  color: #334155;
  line-height: 1.45;
  transition: color var(--md-ease);
}
.md-news-list a:hover { color: var(--md-blue); }
.md-news-feature {
  display: block;
  color: inherit;
}
.md-news-feature__img {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #7dd3fc, #0284c7);
  margin-bottom: 1rem;
}
.md-news-feature h4 {
  margin: 0 0 .5rem;
  font-size: 1.05rem;
  color: var(--md-ink);
  line-height: 1.4;
}
.md-news-feature p {
  margin: 0;
  font-size: .88rem;
  color: var(--md-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.md-news-feature time { display: block; margin-top: .75rem; font-size: .8rem; color: var(--md-blue); }
@media (max-width: 990px) {
  .md-news { grid-template-columns: 1fr; }
}

/* FAQ */
.md-faq__list { list-style: none; margin: 0; padding: 0; }
.md-faq__item {
  background: #fff;
  margin-bottom: .75rem;
  border: 1px solid var(--md-line);
}
.md-faq__q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 1.1rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--md-ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: inherit;
}
.md-faq__q i {
  width: 1.5rem; height: 1.5rem;
  border-radius: 50%;
  background: var(--md-tint);
  color: var(--md-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-weight: 700;
  flex-shrink: 0;
  transition: var(--md-ease);
}
.md-faq__item.is-open .md-faq__q i {
  background: var(--md-blue);
  color: #fff;
  transform: rotate(45deg);
}
.md-faq__a {
  display: none;
  padding: 0 1.25rem 1.15rem;
  color: var(--md-muted);
  line-height: 1.7;
  font-size: .95rem;
}
.md-faq__item.is-open .md-faq__a { display: block; }

/* Welfare */
.md-sec--welfare { background: var(--md-tint); }
.md-welfare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.md-welfare-card {
  background: #fff;
  overflow: hidden;
  transition: transform var(--md-ease);
}
.md-welfare-card:hover { transform: translateY(-4px); }
.md-welfare-card__img {
  aspect-ratio: 16/10;
  background: linear-gradient(145deg, #93c5fd, #38bdf8);
}
.md-welfare-card h3 {
  margin: 0;
  padding: 1rem 1.1rem 1.2rem;
  font-size: .98rem;
  line-height: 1.45;
  color: var(--md-ink);
}
@media (max-width: 768px) {
  .md-welfare-grid { grid-template-columns: 1fr; }
}

/* Footer */
.md-foot {
  background: #0f172a;
  color: rgba(255,255,255,.78);
  padding: 3.5rem 0 0;
  font-size: .9rem;
}
.md-foot a { color: rgba(255,255,255,.78); transition: color var(--md-ease); }
.md-foot a:hover { color: #fff; }
.md-foot__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
  padding-bottom: 2.5rem;
}
.md-foot__brand { font-size: 1.35rem; font-weight: 700; color: #fff; margin-bottom: .75rem; }
.md-foot__brand span { color: #7dd3fc; }
.md-foot h4 {
  color: #fff;
  font-size: .95rem;
  margin: 0 0 1rem;
  font-weight: 600;
}
.md-foot ul { list-style: none; margin: 0; padding: 0; }
.md-foot li { margin-bottom: .45rem; }
.md-foot__bar {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1rem 0;
  font-size: .82rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
@media (max-width: 900px) {
  .md-foot__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .md-foot__grid { grid-template-columns: 1fr; }
}

/* Float */
.md-float {
  position: fixed;
  right: 1rem;
  bottom: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.md-float a,
.md-float button {
  width: 3rem; height: 3rem;
  border-radius: 50%;
  border: 0;
  background: var(--md-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(0, 129, 204, .35);
  transition: background var(--md-ease), transform var(--md-ease);
}
.md-float a:hover,
.md-float button:hover { background: var(--md-orange); transform: translateY(-2px); }
.md-backtop[hidden] { display: none !important; }

/* Inner pages (list/article) keep readable content */
.md-body .container {
  width: min(100% - 2 * var(--md-gutter), var(--md-max));
  margin-inline: auto;
  padding: 2rem 0 3rem;
}
.md-body .navbar.fixed-top { display: none; }