:root {
  --ink: #102c35;
  --ink-soft: #43575c;
  --green: #16765b;
  --green-dark: #0d5b46;
  --green-pale: #e9f3ef;
  --red: #b53a32;
  --line: #dce5e2;
  --surface: #f4f7f6;
  --white: #ffffff;
  --max: 1180px;
  --narrow: 820px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(22, 118, 91, 0.36);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.narrow {
  max-width: var(--narrow);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  color: var(--white);
  background: var(--green-dark);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.header-main {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand img {
  width: 176px;
  height: auto;
}

.brand-divider {
  width: 1px;
  height: 34px;
  background: var(--line);
}

.brand-title {
  color: var(--ink-soft);
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.hotline {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink-soft);
}

.hotline span {
  font-size: 13px;
}

.hotline strong {
  color: var(--green-dark);
  font-size: 21px;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.primary-nav {
  color: var(--white);
  background: var(--ink);
}

.nav-inner {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.primary-nav ul {
  min-width: 0;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  list-style: none;
}

.primary-nav li {
  display: flex;
}

.primary-nav li a {
  position: relative;
  min-width: 102px;
  padding: 13px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}

.primary-nav li a:hover,
.primary-nav li a.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.primary-nav li a.active::after {
  position: absolute;
  right: 20px;
  bottom: 0;
  left: 20px;
  height: 3px;
  content: "";
  background: #5cba95;
}

.official-link {
  flex: 0 0 auto;
  color: #96d4ba;
  font-size: 14px;
}

.official-link:hover,
.footer-brand a:hover,
.read-link:hover,
.section-link:hover,
.source-links a:hover {
  color: var(--green);
}

.news-masthead {
  color: var(--white);
  background: var(--green-dark);
  border-bottom: 6px solid #d7a84e;
}

.masthead-grid {
  min-height: 240px;
  padding-block: 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 48px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.news-masthead .eyebrow {
  color: #9cd6bf;
}

.masthead-copy h1,
.page-intro h1,
.not-found h1 {
  margin: 0;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 700;
  line-height: 1.18;
}

.masthead-copy > p:last-child {
  max-width: 650px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.masthead-date {
  min-width: 130px;
  padding-left: 22px;
  border-left: 1px solid rgba(255, 255, 255, 0.26);
}

.masthead-date span,
.masthead-date strong {
  display: block;
}

.masthead-date span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.masthead-date strong {
  margin-top: 2px;
  font-size: 18px;
}

.featured-section {
  padding: 58px 0 72px;
  background: var(--surface);
}

.featured-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.85fr);
  align-items: stretch;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--line);
}

.featured-image {
  min-height: 420px;
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-copy {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #6a7c80;
  font-size: 13px;
  line-height: 1.4;
}

.category {
  display: inline-flex;
  width: fit-content;
  padding: 3px 9px;
  color: var(--green-dark);
  background: var(--green-pale);
  border-left: 3px solid var(--green);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
}

.featured-copy h2 {
  margin: 24px 0 16px;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: 32px;
  line-height: 1.35;
}

.featured-copy h2 a:hover,
.news-copy h3 a:hover {
  color: var(--green-dark);
}

.featured-copy > p {
  margin: 0 0 28px;
  color: var(--ink-soft);
}

.primary-button {
  width: fit-content;
  min-height: 44px;
  padding: 9px 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  background: var(--green);
  border: 1px solid var(--green);
  border-radius: 4px;
  font-weight: 700;
  line-height: 1.5;
}

.primary-button:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
}

.section {
  padding: 82px 0;
}

.section-heading {
  margin-bottom: 34px;
}

.split-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.section-heading h2 {
  margin: 0;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: 34px;
  line-height: 1.25;
}

.filter-bar {
  max-width: 620px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.filter-button {
  min-height: 36px;
  padding: 6px 13px;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.filter-button:hover,
.filter-button.active {
  color: var(--white);
  background: var(--green);
  border-color: var(--green);
}

.news-list {
  border-top: 2px solid var(--ink);
}

.news-item {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 32px;
  border-bottom: 1px solid var(--line);
}

.news-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface);
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 180ms ease;
}

.news-thumb:hover img {
  transform: scale(1.025);
}

.news-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.news-copy h3 {
  margin: 13px 0 9px;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: 23px;
  line-height: 1.42;
}

.news-copy > p {
  margin: 0 0 13px;
  color: var(--ink-soft);
}

.read-link,
.section-link {
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 700;
}

.filter-empty {
  margin: 34px 0 0;
  color: var(--ink-soft);
}

.doctors-section {
  color: var(--white);
  background: var(--ink);
}

.doctors-section .eyebrow {
  color: #78c4a6;
}

.doctors-section .section-link {
  color: #9cd6bf;
}

.doctor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.doctor-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.82fr) minmax(0, 1.18fr);
  min-height: 330px;
  overflow: hidden;
  background: #183b43;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
}

.doctor-card > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 35%;
}

.doctor-copy {
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.doctor-copy .eyebrow {
  letter-spacing: 0;
}

.doctor-copy h3 {
  margin: 0 0 3px;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: 30px;
  line-height: 1.3;
}

.doctor-copy strong {
  color: #a8d8c5;
  font-size: 14px;
}

.doctor-copy > p:not(.eyebrow) {
  margin: 16px 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.doctor-copy .read-link {
  color: #b9e2d2;
}

.locations-section {
  background: var(--surface);
}

.location-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.location-brief {
  min-width: 0;
  padding: 30px;
  background: var(--white);
  border-right: 1px solid var(--line);
}

.location-brief:last-child {
  border-right: 0;
}

.city-mark {
  display: inline-flex;
  min-width: 46px;
  height: 30px;
  padding: 0 10px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--red);
  border-radius: 3px;
  font-size: 13px;
  font-weight: 700;
}

.location-brief h3 {
  margin: 20px 0 10px;
  font-size: 19px;
  line-height: 1.45;
}

.location-brief p {
  min-height: 58px;
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 14px;
}

.location-brief a,
.location-detail a {
  color: var(--green-dark);
  font-weight: 800;
}

.breadcrumb {
  color: var(--ink-soft);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.breadcrumb .container {
  min-height: 50px;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  white-space: nowrap;
}

.breadcrumb a:hover {
  color: var(--green);
}

.article-header {
  padding-top: 62px;
  padding-bottom: 34px;
  text-align: center;
}

.article-header .category {
  margin-inline: auto;
}

.article-header h1 {
  margin: 22px 0;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: clamp(32px, 4.4vw, 50px);
  line-height: 1.35;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  color: #708084;
  font-size: 13px;
}

.article-hero {
  max-width: 1080px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface);
}

.article-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-layout {
  padding-top: 54px;
  padding-bottom: 90px;
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(260px, 1fr);
  align-items: start;
  gap: 72px;
}

.article-body {
  color: #263c42;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: 18px;
  line-height: 2;
}

.article-body .article-lead {
  margin-top: 0;
  padding-left: 20px;
  color: var(--ink);
  border-left: 4px solid var(--green);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.8;
}

.article-body h2 {
  margin: 48px 0 16px;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 24px;
  line-height: 1.5;
}

.article-body p {
  margin: 0 0 24px;
}

.article-body ul {
  margin: 0 0 28px;
  padding-left: 1.3em;
}

.article-body li + li {
  margin-top: 10px;
}

.article-body figure {
  margin: 36px 0;
  border-bottom: 1px solid var(--line);
}

.article-body figure img {
  width: 100%;
  max-height: 620px;
  object-fit: cover;
  object-position: 50% 28%;
}

.article-body figcaption {
  padding: 10px 0 13px;
  color: #708084;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.6;
}

.article-notice,
.medical-disclaimer {
  padding: 18px 20px;
  color: #475b60;
  background: var(--surface);
  border-left: 4px solid #d7a84e;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.8;
}

.source-panel {
  position: sticky;
  top: 28px;
  padding: 26px;
  background: var(--surface);
  border-top: 3px solid var(--green);
}

.source-panel h2 {
  margin: 0;
  font-size: 22px;
}

.source-panel > p:not(.eyebrow) {
  margin: 12px 0 18px;
  color: var(--ink-soft);
  font-size: 14px;
}

.source-links {
  display: grid;
  gap: 8px;
}

.source-links a {
  min-height: 42px;
  padding: 8px 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--green-dark);
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
}

.source-panel dl {
  margin: 24px 0 0;
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 9px;
  font-size: 13px;
}

.source-panel dt {
  color: #718084;
}

.source-panel dd {
  margin: 0;
}

.related-section {
  background: var(--surface);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.news-item.compact {
  padding: 0;
  display: block;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
}

.news-item.compact .news-copy {
  padding: 22px;
}

.news-item.compact .news-copy h3 {
  font-size: 19px;
}

.news-item.compact .news-copy > p {
  display: none;
}

.page-intro {
  padding: 64px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.page-intro > div > p:last-child {
  margin: 18px auto 0;
  color: var(--ink-soft);
}

.profile-list {
  max-width: 980px;
}

.doctor-profile {
  padding: 36px 0;
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 54px;
  border-bottom: 1px solid var(--line);
}

.doctor-profile:first-child {
  padding-top: 0;
}

.doctor-profile > img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 50% 30%;
}

.doctor-profile h2 {
  margin: 0;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: 38px;
  line-height: 1.3;
}

.doctor-profile strong {
  color: var(--green-dark);
}

.doctor-profile h3 {
  margin: 22px 0 4px;
  font-size: 16px;
}

.doctor-profile p:not(.eyebrow) {
  color: var(--ink-soft);
}

.profile-list .medical-disclaimer,
.location-list .medical-disclaimer {
  margin-top: 40px;
}

.location-list {
  max-width: 980px;
}

.location-detail {
  padding: 32px 0;
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.location-detail:first-child {
  padding-top: 0;
}

.location-detail .city-mark {
  margin-top: 5px;
}

.location-detail h2 {
  margin: 0 0 18px;
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: 27px;
  line-height: 1.4;
}

.location-detail dl {
  margin: 0;
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 8px 14px;
}

.location-detail dt {
  color: #738186;
}

.location-detail dd {
  margin: 0;
}

.not-found {
  min-height: 58vh;
  padding-block: 110px;
  text-align: center;
}

.not-found p:not(.eyebrow) {
  color: var(--ink-soft);
}

.not-found .primary-button {
  margin-top: 20px;
}

.site-footer {
  color: var(--white);
  background: #0b252d;
}

.footer-grid {
  padding-block: 58px;
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 70px;
}

.footer-brand img {
  width: 168px;
  height: auto;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  max-width: 330px;
  margin: 18px 0 12px;
  color: rgba(255, 255, 255, 0.66);
}

.footer-brand a {
  color: #93d1b8;
  font-size: 14px;
}

.footer-locations h2 {
  margin: 0 0 16px;
  font-size: 18px;
}

.footer-clinic {
  padding: 14px 0;
  display: grid;
  grid-template-columns: minmax(200px, 1fr) 120px minmax(260px, 1.25fr);
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
}

.footer-clinic strong {
  color: rgba(255, 255, 255, 0.88);
}

.footer-clinic a {
  color: #9ed8c1;
}

.footer-clinic span {
  color: rgba(255, 255, 255, 0.56);
}

.footer-bottom {
  padding: 17px 0;
  color: rgba(255, 255, 255, 0.5);
  background: #071c22;
  font-size: 12px;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

@media (max-width: 960px) {
  .header-main {
    min-height: 76px;
  }

  .brand img {
    width: 145px;
  }

  .brand-title {
    font-size: 16px;
  }

  .hotline {
    display: none;
  }

  .menu-button {
    display: inline-flex;
  }

  .primary-nav {
    display: none;
  }

  .primary-nav.open {
    display: block;
  }

  .nav-inner,
  .primary-nav ul {
    display: block;
  }

  .primary-nav li,
  .primary-nav li a {
    width: 100%;
  }

  .primary-nav li a {
    min-height: 48px;
    justify-content: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  }

  .primary-nav li a.active::after {
    top: 8px;
    right: auto;
    bottom: 8px;
    left: 0;
    width: 3px;
    height: auto;
  }

  .official-link {
    padding: 14px 22px 18px;
    display: block;
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

  .featured-image {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .doctor-grid {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .source-panel {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .footer-clinic {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .brand {
    gap: 10px;
  }

  .brand img {
    width: 132px;
  }

  .brand-divider {
    height: 28px;
  }

  .brand-title {
    font-size: 14px;
  }

  .masthead-grid {
    min-height: 215px;
    padding-block: 38px;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 26px;
  }

  .masthead-date {
    padding: 0;
    border: 0;
  }

  .masthead-date span,
  .masthead-date strong {
    display: inline;
  }

  .masthead-date strong {
    margin-left: 8px;
  }

  .featured-section {
    padding: 28px 0 46px;
  }

  .featured-copy {
    padding: 26px 22px 30px;
  }

  .featured-copy h2 {
    margin-top: 18px;
    font-size: 26px;
  }

  .section {
    padding: 58px 0;
  }

  .split-heading {
    display: block;
  }

  .filter-bar {
    margin-top: 22px;
    justify-content: flex-start;
  }

  .section-link {
    margin-top: 12px;
    display: inline-flex;
  }

  .news-item {
    padding: 22px 0 25px;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .news-copy h3 {
    font-size: 21px;
  }

  .doctor-card {
    grid-template-columns: 42% minmax(0, 1fr);
    min-height: 290px;
  }

  .doctor-copy {
    padding: 22px 18px;
  }

  .doctor-copy h3 {
    font-size: 25px;
  }

  .doctor-copy > p:not(.eyebrow) {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
  }

  .location-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .location-brief {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .location-brief:last-child {
    border-bottom: 0;
  }

  .location-brief p {
    min-height: 0;
  }

  .article-header {
    padding-top: 42px;
  }

  .article-header h1 {
    font-size: 31px;
  }

  .article-hero {
    width: 100%;
  }

  .article-layout {
    padding-top: 36px;
    padding-bottom: 64px;
  }

  .article-body {
    font-size: 17px;
    line-height: 1.9;
  }

  .article-body .article-lead {
    font-size: 19px;
  }

  .article-body figure {
    margin-inline: -14px;
  }

  .page-intro {
    padding: 48px 0;
  }

  .doctor-profile {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .doctor-profile h2 {
    font-size: 32px;
  }

  .location-detail {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .location-detail dl {
    grid-template-columns: 76px minmax(0, 1fr);
  }

  .footer-grid {
    padding-block: 46px;
  }
}

@media (max-width: 440px) {
  .brand img {
    width: 118px;
  }

  .brand-title {
    font-size: 13px;
  }

  .menu-button {
    width: 40px;
    height: 40px;
  }

  .masthead-copy h1,
  .page-intro h1,
  .not-found h1 {
    font-size: 34px;
  }

  .doctor-card {
    display: block;
  }

  .doctor-card > img {
    height: 260px;
  }

  .doctor-copy > p:not(.eyebrow) {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}