:root {
  --primary: #138f88;
  --primary-dark: #0e6965;
  --primary-deep: #0a4d4b;
  --primary-light: #e8f7f5;
  --aqua: #bdebe5;
  --ink: #1b2a2f;
  --text: #516066;
  --muted: #78878b;
  --line: #dce8e7;
  --surface: #f5faf9;
  --white: #ffffff;
  --warm: #f2b65a;
  --shadow: 0 20px 60px rgba(20, 77, 75, 0.11);
  --radius: 24px;
  --container: 1200px;
  --font: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  line-height: 1.75;
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

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

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

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

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

p,
h1,
h2,
h3 {
  margin-top: 0;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 9999;
  padding: 10px 18px;
  color: var(--white);
  background: var(--primary-dark);
  border-radius: 8px;
}

.skip-link:focus {
  top: 20px;
}

.topbar {
  color: rgba(255, 255, 255, 0.84);
  background: #18363a;
  font-size: 13px;
}

.topbar-inner,
.topbar-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar-inner {
  min-height: 36px;
}

.topbar-links {
  gap: 26px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(18, 75, 73, 0.08);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  min-height: 78px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 12px;
}

.brand-symbol {
  display: grid;
  width: 46px;
  height: 46px;
  color: var(--white);
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  border-radius: 15px 15px 15px 4px;
  place-items: center;
  font: 800 25px/1 Arial, sans-serif;
  box-shadow: 0 9px 25px rgba(19, 143, 136, 0.25);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.3;
}

.brand strong {
  font-size: 18px;
  letter-spacing: 0.04em;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.18em;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: clamp(14px, 1.5vw, 26px);
}

.main-nav a {
  position: relative;
  padding: 27px 0 25px;
  color: #324448;
  font-size: 14px;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 17px;
  left: 0;
  height: 2px;
  background: var(--primary);
  content: "";
  transform: scaleX(0);
  transition: transform 0.25s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary-dark);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 12px 19px;
  color: var(--white);
  background: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
  transition: 0.25s;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 9px;
  border: 0;
  background: transparent;
}

.menu-button span {
  display: block;
  width: 23px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: 0.25s;
}

.hero {
  position: relative;
  min-height: auto;
  padding: 75px 0 0;
  background:
    linear-gradient(120deg, rgba(239, 250, 249, 0.95), rgba(255, 255, 255, 0.85)),
    radial-gradient(circle at 20% 20%, #c6f2ed, transparent 38%);
  overflow: hidden;
}

.hero::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(transparent, rgba(19, 143, 136, 0.14), transparent);
  content: "";
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
}

.hero-orb-one {
  top: 10%;
  right: -120px;
  width: 410px;
  height: 410px;
  border: 1px solid rgba(19, 143, 136, 0.18);
}

.hero-orb-two {
  bottom: 90px;
  left: -90px;
  width: 220px;
  height: 220px;
  background: rgba(189, 235, 229, 0.3);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 70px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.eyebrow {
  gap: 10px;
  margin-bottom: 30px;
}

.eyebrow span {
  width: 34px;
  height: 1px;
  background: var(--primary);
}

.hero-slides {
  position: relative;
  min-height: 315px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  visibility: hidden;
  opacity: 0;
  transform: translateY(16px);
  transition: 0.55s ease;
  pointer-events: none;
}

.hero-slide.active {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.hero-number {
  margin-bottom: 12px;
  color: var(--primary);
  font-size: 13px;
  letter-spacing: 0.15em;
}

.hero h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 4.8vw, 68px);
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.hero h1 em {
  color: var(--primary);
  font-style: normal;
}

.hero-slide > p:last-child {
  max-width: 600px;
  color: var(--text);
  font-size: 17px;
}

.hero-actions,
.contact-actions,
.manager-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 24px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  transition: 0.25s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--primary);
  box-shadow: 0 12px 30px rgba(19, 143, 136, 0.22);
}

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

.button-ghost {
  color: var(--primary-deep);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.56);
}

.button-outline {
  color: var(--primary-dark);
  border-color: var(--primary);
  background: transparent;
}

.button-white {
  width: 100%;
  color: var(--primary-deep);
  background: var(--white);
}

.slider-control {
  display: flex;
  margin-top: 40px;
  align-items: center;
  gap: 16px;
}

.slider-arrow {
  width: 40px;
  height: 40px;
  color: var(--primary-dark);
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 50%;
  cursor: pointer;
}

.slider-dots {
  display: flex;
  gap: 7px;
}

.slider-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  background: #b8d2cf;
  border-radius: 50%;
  cursor: pointer;
  transition: 0.25s;
}

.slider-dots button.active {
  width: 30px;
  background: var(--primary);
  border-radius: 10px;
}

.hero-visual {
  position: relative;
  min-height: 560px;
}

.hero-image-frame {
  position: absolute;
  top: 0;
  right: 0;
  width: 86%;
  height: 530px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(19, 143, 136, 0.12);
  border-radius: 48% 48% 32px 32px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  border-radius: inherit;
}

.floating-card {
  position: absolute;
  z-index: 3;
  display: flex;
  padding: 16px 20px;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(19, 143, 136, 0.12);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 16px;
  box-shadow: 0 16px 45px rgba(24, 73, 72, 0.14);
  backdrop-filter: blur(10px);
}

.floating-card-top {
  top: 70px;
  left: 0;
  font-size: 14px;
  font-weight: 700;
}

.status-dot {
  width: 9px;
  height: 9px;
  background: #5ac37d;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(90, 195, 125, 0.14);
}

.floating-card-bottom {
  right: -10px;
  bottom: 38px;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.floating-card-bottom strong {
  color: var(--primary);
  font-size: 28px;
  line-height: 1.2;
}

.floating-card-bottom span {
  color: var(--muted);
  font-size: 12px;
}

.trust-strip {
  position: relative;
  z-index: 5;
  display: grid;
  margin-top: 58px;
  grid-template-columns: repeat(4, 1fr);
  color: var(--white);
  background: #173f42;
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -14px 45px rgba(19, 74, 75, 0.13);
}

.trust-strip div {
  position: relative;
  padding: 25px 26px;
}

.trust-strip div:not(:last-child)::after {
  position: absolute;
  top: 30%;
  right: 0;
  width: 1px;
  height: 40%;
  background: rgba(255, 255, 255, 0.15);
  content: "";
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  margin-bottom: 3px;
  font-size: 16px;
}

.trust-strip span {
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
}

.section {
  padding: 110px 0;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 55px;
  text-align: center;
}

.section-heading.align-left {
  margin-right: 0;
  margin-left: 0;
  text-align: left;
}

.section-heading h2,
.about-content h2,
.product-copy h2,
.history-intro h2,
.faq-intro h2,
.appointment-copy h2,
.contact-info h2 {
  margin: 13px 0 20px;
  font-size: clamp(31px, 3.5vw, 46px);
  line-height: 1.3;
  letter-spacing: -0.035em;
}

.section-heading p,
.history-intro > p,
.faq-intro > p,
.product-copy > p,
.contact-info > p {
  color: var(--text);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 80px;
}

.about-media {
  position: relative;
  padding: 0 0 50px 30px;
}

.about-image {
  height: 610px;
  border-radius: 24px 120px 24px 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

.year-card {
  position: absolute;
  bottom: 0;
  left: 0;
  display: flex;
  width: 190px;
  padding: 24px;
  color: var(--white);
  background: var(--primary);
  border-radius: 8px 26px 8px 8px;
  flex-direction: column;
}

.year-card strong {
  margin: 2px 0;
  font-size: 42px;
  line-height: 1.2;
}

.year-card span {
  font-size: 12px;
}

.about-content > p {
  color: var(--text);
}

.about-content .lead {
  color: #30464a;
  font-size: 18px;
  font-weight: 600;
}

.about-values {
  display: grid;
  margin-top: 30px;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.about-values div {
  padding: 20px;
  background: var(--surface);
  border-radius: 15px;
}

.about-values span {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.about-values strong {
  display: block;
  margin: 7px 0;
  font-size: 15px;
}

.about-values p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.advantages-section {
  background: #173f42;
}

.advantages-section .section-heading h2 {
  color: var(--white);
}

.advantages-section .section-heading p {
  color: rgba(255, 255, 255, 0.63);
}

.advantages-section .section-kicker {
  color: #72d5cc;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.advantage-card {
  position: relative;
  min-height: 290px;
  padding: 30px 26px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.035);
  border-radius: 18px;
  overflow: hidden;
  transition: 0.3s;
}

.advantage-card:hover {
  border-color: rgba(114, 213, 204, 0.5);
  background: rgba(255, 255, 255, 0.075);
  transform: translateY(-5px);
}

.advantage-card:last-child {
  grid-column: span 2;
}

.card-index {
  position: absolute;
  top: 18px;
  right: 20px;
  color: rgba(255, 255, 255, 0.12);
  font-size: 36px;
  font-weight: 800;
}

.feature-icon {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  color: #72d5cc;
  border: 1px solid rgba(114, 213, 204, 0.35);
  border-radius: 13px;
  place-items: center;
  font-size: 20px;
}

.advantage-card h3 {
  margin-bottom: 12px;
  font-size: 18px;
}

.advantage-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.service-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: stretch;
  gap: 55px;
}

.service-image {
  position: sticky;
  top: 120px;
  align-self: start;
  height: 650px;
  background: var(--primary-light);
  border-radius: 30px;
  overflow: hidden;
}

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

.image-caption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  padding: 18px 22px;
  color: var(--white);
  background: rgba(14, 79, 77, 0.88);
  border-radius: 15px;
  backdrop-filter: blur(10px);
}

.image-caption span,
.image-caption strong {
  display: block;
}

.image-caption span {
  color: #8ae0d8;
  font-size: 11px;
  letter-spacing: 0.15em;
}

.service-list {
  border-top: 1px solid var(--line);
}

.service-item {
  display: grid;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 50px 1fr 46px;
  align-items: start;
  gap: 16px;
}

.service-item > span {
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.service-item h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.service-item p {
  margin: 0;
  color: var(--text);
  font-size: 14px;
}

.service-item a {
  display: grid;
  width: 42px;
  height: 42px;
  color: var(--primary-dark);
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
  transition: 0.25s;
}

.service-item:hover a {
  color: var(--white);
  background: var(--primary);
  border-color: var(--primary);
  transform: rotate(45deg);
}

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

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: start;
  gap: 22px;
}

.equipment-card {
  background: var(--white);
  border-radius: 24px;
  box-shadow: 0 10px 35px rgba(13, 78, 74, 0.07);
  overflow: hidden;
}

.equipment-card.featured {
  transform: translateY(25px);
}

.equipment-photo {
  position: relative;
  height: 420px;
  background: #eaf6f5;
  overflow: hidden;
}

.equipment-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.equipment-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  padding: 7px 13px;
  color: var(--primary-deep);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.equipment-body {
  padding: 28px;
}

.equipment-no {
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.equipment-body h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.equipment-body > p:not(.equipment-no) {
  color: var(--text);
  font-size: 13px;
}

.equipment-body ul {
  margin: 18px 0 0;
  padding: 17px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.equipment-body li {
  position: relative;
  margin: 7px 0;
  padding-left: 18px;
  color: var(--text);
  font-size: 12px;
}

.equipment-body li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  content: "";
}

.medical-note {
  margin: 70px 0 0;
  padding: 18px 24px;
  color: #607174;
  border: 1px solid #d7e7e5;
  background: #edf6f5;
  border-radius: 12px;
  font-size: 12px;
}

.product-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 80px;
}

.product-copy > p {
  font-size: 16px;
}

.product-points {
  margin: 32px 0;
}

.product-points div {
  display: grid;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 42px 1fr;
  gap: 12px;
}

.product-points span {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.product-points p {
  margin: 0;
  color: var(--text);
}

.product-points strong {
  margin-right: 10px;
  color: var(--ink);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--primary-dark);
  font-weight: 700;
}

.text-link span {
  transition: transform 0.2s;
}

.text-link:hover span {
  transform: translateX(5px);
}

.product-visual {
  position: relative;
  padding: 28px;
  background: var(--primary-light);
  border-radius: 35% 24px 24px 24px;
}

.product-visual img {
  width: 100%;
  min-height: 470px;
  border-radius: inherit;
  object-fit: cover;
}

.product-badge {
  position: absolute;
  right: -20px;
  bottom: 40px;
  padding: 20px 26px;
  color: var(--white);
  background: var(--primary-deep);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.product-badge strong,
.product-badge span {
  display: block;
}

.product-badge span {
  color: rgba(255, 255, 255, 0.65);
  font-size: 11px;
}

.process-section {
  background: var(--primary-light);
}

.process-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.process-list::before {
  position: absolute;
  top: 38px;
  right: 10%;
  left: 10%;
  height: 1px;
  background: #abdcd7;
  content: "";
}

.process-card {
  position: relative;
  z-index: 2;
  padding: 0 16px;
  text-align: center;
}

.process-card > strong {
  display: grid;
  width: 74px;
  height: 74px;
  margin: 0 auto 20px;
  color: var(--primary);
  border: 1px solid #a8dad5;
  background: var(--white);
  border-radius: 50%;
  place-items: center;
  box-shadow: 0 10px 30px rgba(19, 143, 136, 0.09);
}

.process-card h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.process-card p {
  color: var(--text);
  font-size: 12px;
}

.history-section {
  color: var(--white);
  background: #132e32;
}

.history-section .section-kicker {
  color: #72d5cc;
}

.history-intro {
  max-width: 650px;
  margin-bottom: 60px;
}

.history-intro > p {
  color: rgba(255, 255, 255, 0.6);
}

.timeline {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.timeline-item {
  display: grid;
  padding: 32px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  grid-template-columns: 180px 1fr;
  gap: 30px;
}

.timeline-item time {
  color: #72d5cc;
  font-size: 36px;
  font-weight: 800;
}

.timeline-item h3 {
  margin-bottom: 7px;
  font-size: 20px;
}

.timeline-item p {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
}

.article-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}

.article-header .section-heading {
  margin-bottom: 35px;
}

.article-filters {
  display: flex;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 9px;
}

.article-filters button {
  padding: 9px 17px;
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 999px;
  cursor: pointer;
}

.article-filters button.active,
.article-filters button:hover {
  color: var(--white);
  border-color: var(--primary);
  background: var(--primary);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.article-card {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  transition: 0.3s;
}

.article-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.article-cover {
  position: relative;
  height: 220px;
  background: var(--primary-light);
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.article-card:hover .article-cover img {
  transform: scale(1.04);
}

.article-category {
  display: inline-block;
  padding: 5px 10px;
  color: var(--primary-dark);
  background: var(--primary-light);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.article-card-body {
  padding: 24px;
}

.article-card h3 {
  margin: 13px 0 10px;
  font-size: 19px;
  line-height: 1.45;
}

.article-card p {
  display: -webkit-box;
  color: var(--text);
  font-size: 13px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.article-meta {
  display: flex;
  margin-top: 18px;
  color: var(--muted);
  font-size: 11px;
  justify-content: space-between;
}

.article-read {
  display: flex;
  width: 100%;
  margin-top: 18px;
  padding: 12px 0 0;
  color: var(--primary-dark);
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  justify-content: space-between;
  font-weight: 700;
}

.article-delete {
  position: absolute;
  top: 13px;
  right: 13px;
  z-index: 2;
  padding: 6px 10px;
  color: #8c3333;
  border: 0;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  cursor: pointer;
  font-size: 11px;
}

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

.faq-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  align-items: start;
  gap: 90px;
}

.faq-intro {
  position: sticky;
  top: 120px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item button {
  display: grid;
  width: 100%;
  padding: 23px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  grid-template-columns: 1fr 32px;
  align-items: center;
  gap: 20px;
  text-align: left;
  font-weight: 700;
}

.faq-item i {
  display: grid;
  width: 30px;
  height: 30px;
  color: var(--primary-dark);
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
  font-style: normal;
  transition: 0.25s;
}

.faq-item.open i {
  color: var(--white);
  background: var(--primary);
  border-color: var(--primary);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer p {
  margin: 0;
  padding: 0 50px 24px 0;
  color: var(--text);
  font-size: 14px;
}

.appointment-section {
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(13, 102, 97, 0.97), rgba(12, 75, 74, 0.96)),
    url("237e25d45eab658cf72ec2b07f631d16.jpg") center/cover;
}

.appointment-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 90px;
}

.section-kicker.light {
  color: #98e4dd;
}

.appointment-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.appointment-features {
  display: flex;
  margin-top: 30px;
  flex-direction: column;
  gap: 10px;
  color: #d8f5f2;
}

.appointment-form {
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  backdrop-filter: blur(12px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.appointment-form label,
.article-form label {
  display: block;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  margin-top: 6px;
  padding: 13px 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  outline: 0;
  background: var(--white);
  border-radius: 10px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(19, 143, 136, 0.12);
}

textarea {
  resize: vertical;
}

.privacy-check {
  display: flex !important;
  align-items: center;
  gap: 10px;
  font-weight: 400 !important;
}

.privacy-check input {
  width: auto;
  margin: 0;
}

.form-status {
  min-height: 24px;
  margin: 10px 0 0;
  font-size: 12px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 70px;
}

.contact-list {
  margin: 35px 0;
  border-top: 1px solid var(--line);
}

.contact-list div {
  display: grid;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 100px 1fr;
  gap: 25px;
}

.contact-list span {
  color: var(--muted);
  font-size: 12px;
}

.contact-list strong {
  font-size: 15px;
}

.contact-media {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  min-height: 480px;
  background: var(--primary-light);
  border-radius: 26px;
  overflow: hidden;
}

.contact-media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.map-placeholder {
  display: flex;
  padding: 35px;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
  background:
    linear-gradient(rgba(232, 247, 245, 0.88), rgba(232, 247, 245, 0.88)),
    repeating-linear-gradient(45deg, #b7deda 0 1px, transparent 1px 30px);
}

.map-placeholder > span {
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.map-placeholder strong {
  margin: 8px 0;
  font-size: 23px;
}

.map-placeholder p {
  color: var(--text);
  font-size: 13px;
}

.brand-gallery {
  display: flex;
  padding: 50px 20px;
  align-items: center;
  justify-content: center;
  gap: 35px;
  background: var(--primary-light);
}

.brand-gallery img {
  width: 150px;
  height: 150px;
  border-radius: 22px;
  object-fit: cover;
}

.brand-gallery span,
.brand-gallery strong {
  display: block;
}

.brand-gallery span {
  color: var(--primary);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.brand-gallery strong {
  margin-top: 6px;
  font-size: clamp(20px, 3vw, 34px);
}

.site-footer {
  color: rgba(255, 255, 255, 0.7);
  background: #10282c;
}

.footer-main {
  display: grid;
  padding: 70px 0 50px;
  grid-template-columns: 1.8fr 0.75fr 0.75fr 1fr;
  gap: 50px;
}

.brand-footer {
  color: var(--white);
}

.brand-footer small {
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
  max-width: 360px;
  margin-top: 22px;
  font-size: 13px;
}

.footer-main h3 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 14px;
}

.footer-links a {
  display: block;
  margin: 9px 0;
  font-size: 13px;
}

.footer-links a:hover {
  color: #7bd9d0;
}

.footer-phone {
  color: #7bd9d0;
  font-size: 24px;
  font-weight: 800;
}

.footer-contact p {
  font-size: 13px;
}

.footer-bottom {
  display: flex;
  padding: 19px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
}

.footer-bottom p {
  margin: 0;
}

.mobile-actions {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  visibility: hidden;
  opacity: 0;
  place-items: center;
  transition: 0.25s;
}

.modal.open {
  visibility: visible;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 30, 33, 0.74);
  backdrop-filter: blur(8px);
}

.modal-panel {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 30px), 760px);
  max-height: calc(100vh - 40px);
  padding: 38px;
  background: var(--white);
  border-radius: 24px;
  overflow-y: auto;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.28);
  transform: translateY(18px);
  transition: 0.25s;
}

.modal.open .modal-panel {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 16px;
  z-index: 5;
  width: 38px;
  height: 38px;
  color: var(--ink);
  border: 0;
  background: var(--surface);
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
}

.modal-heading h2 {
  margin: 7px 0 9px;
}

.modal-heading p {
  color: var(--text);
  font-size: 13px;
}

.article-form {
  margin-top: 25px;
}

.import-label {
  position: relative;
  overflow: hidden;
}

.import-label input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.article-detail-panel {
  width: min(calc(100% - 30px), 850px);
}

.detail-image {
  width: 100%;
  max-height: 380px;
  margin-bottom: 25px;
  border-radius: 18px;
  object-fit: cover;
}

.article-detail-panel h2 {
  margin: 15px 0;
  font-size: 32px;
  line-height: 1.35;
}

.detail-content {
  margin-top: 26px;
  color: #3e5155;
  white-space: pre-wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .main-nav {
    gap: 12px;
  }

  .main-nav a {
    font-size: 12px;
  }

  .nav-cta {
    display: none;
  }

  .hero-layout {
    gap: 30px;
  }

  .advantage-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .equipment-photo {
    height: 350px;
  }
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 76px;
  }

  .topbar {
    display: none;
  }

  .nav-wrap {
    min-height: 68px;
  }

  .menu-button {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 68px;
    right: 0;
    left: 0;
    display: none;
    padding: 12px 20px 22px;
    border-top: 1px solid var(--line);
    background: var(--white);
    box-shadow: 0 20px 40px rgba(13, 65, 64, 0.12);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 11px 0;
    font-size: 14px;
  }

  .main-nav a::after {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 55px;
  }

  .hero-layout,
  .about-grid,
  .service-layout,
  .product-layout,
  .faq-layout,
  .appointment-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    gap: 45px;
  }

  .hero-slides {
    min-height: 300px;
  }

  .hero-visual {
    min-height: 540px;
  }

  .hero-image-frame {
    left: 8%;
    width: 84%;
  }

  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-strip div:nth-child(2)::after {
    display: none;
  }

  .section {
    padding: 80px 0;
  }

  .about-grid,
  .service-layout,
  .product-layout,
  .faq-layout,
  .appointment-layout,
  .contact-layout {
    gap: 50px;
  }

  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .advantage-card:last-child {
    grid-column: auto;
  }

  .service-image,
  .faq-intro {
    position: relative;
    top: 0;
  }

  .service-image {
    height: 520px;
  }

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

  .equipment-card {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
  }

  .equipment-card.featured {
    transform: none;
  }

  .process-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-list::before {
    display: none;
  }

  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand-symbol {
    width: 40px;
    height: 40px;
  }

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

  .hero h1 {
    font-size: 38px;
  }

  .hero-slide > p:last-child {
    font-size: 14px;
  }

  .hero-slides {
    min-height: 330px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .hero-image-frame {
    left: 0;
    width: 100%;
    height: 410px;
  }

  .floating-card-top {
    top: 25px;
    left: -5px;
  }

  .floating-card-bottom {
    right: -5px;
    bottom: 0;
  }

  .trust-strip {
    margin-top: 42px;
    border-radius: 18px 18px 0 0;
  }

  .trust-strip div {
    padding: 18px;
  }

  .trust-strip span {
    font-size: 10px;
  }

  .section-heading h2,
  .about-content h2,
  .product-copy h2,
  .history-intro h2,
  .faq-intro h2,
  .appointment-copy h2,
  .contact-info h2 {
    font-size: 30px;
  }

  .about-media {
    padding-left: 0;
  }

  .about-image {
    height: 470px;
    border-radius: 20px 70px 20px 20px;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .advantage-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .service-image {
    height: 430px;
  }

  .service-item {
    grid-template-columns: 35px 1fr;
  }

  .service-item a {
    display: none;
  }

  .equipment-card {
    display: block;
  }

  .equipment-photo {
    height: 400px;
  }

  .product-visual {
    padding: 14px;
  }

  .product-visual img {
    min-height: 360px;
  }

  .product-badge {
    right: 0;
  }

  .process-list {
    grid-template-columns: 1fr 1fr;
  }

  .timeline-item {
    grid-template-columns: 85px 1fr;
  }

  .timeline-item time {
    font-size: 25px;
  }

  .article-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .appointment-form,
  .modal-panel {
    padding: 28px 20px;
  }

  .contact-media {
    grid-template-columns: 1fr;
  }

  .contact-media > img {
    max-height: 370px;
  }

  .brand-gallery {
    flex-direction: column;
    text-align: center;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    padding-bottom: 80px;
    flex-direction: column;
  }

  .mobile-actions {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 90;
    display: grid;
    grid-template-columns: 1fr 1fr;
    box-shadow: 0 -6px 25px rgba(11, 61, 60, 0.15);
  }

  .mobile-actions a {
    padding: 13px;
    text-align: center;
    font-size: 14px;
    font-weight: 700;
  }

  .mobile-actions a:first-child {
    color: var(--primary-dark);
    background: var(--white);
  }

  .mobile-actions a:last-child {
    color: var(--white);
    background: var(--primary);
  }

  .article-detail-panel h2 {
    font-size: 25px;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* 必须放在最后，并且不能被包在上面的花括号里 */
.reveal,
.reveal.visible {
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
}
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
  opacity: 1;
  visibility: visible;
  transform: none;
}
/* 修复后续板块不显示、页面出现大块空白 */
.reveal {
  opacity: 1;
  transform: none;
}
/* 强制显示所有后续板块，修复首屏后大面积空白 */
.reveal,
.reveal.visible {
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
}