:root {
  --ink: #101828;
  --muted: #56606e;
  --line: #e2e6e3;
  --bg: #ffffff;
  --bg-soft: #f5f8f6;
  --accent: #0f7a5f;
  --accent-dark: #0b5f4a;
  --accent-soft: #e7f3ee;
  --warn: #b45309;
  --warn-soft: #fff4e5;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 16px rgba(16, 24, 40, 0.06);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

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

img,
svg {
  display: block;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: 0;
}

h2 {
  font-size: 26px;
  line-height: 1.3;
  letter-spacing: 0;
}

h3 {
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: 0;
}

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

.section {
  padding: 64px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-head {
  max-width: 760px;
  margin-bottom: 32px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: currentColor;
}

.section-head p {
  margin-top: 12px;
  color: var(--muted);
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
}

.brand-text {
  min-width: 0;
}

.brand-text strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
}

.brand-text span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink);
  font-size: 15px;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}

.phone-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  white-space: nowrap;
}

.phone-link:hover {
  background: var(--accent-dark);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
}

.masthead {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 22%, rgba(15, 122, 95, 0.10), transparent 30%),
    linear-gradient(135deg, #f6faf8 0%, #edf5f1 100%);
}

.masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    linear-gradient(rgba(15, 122, 95, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 122, 95, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to right, transparent, #000 55%, #000);
}

.masthead-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 48px;
  align-items: center;
  padding: 72px 0 64px;
}

.masthead h1 {
  margin: 8px 0 16px;
  font-size: 38px;
}

.masthead .lead {
  max-width: 620px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 17px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

.btn-secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(15, 122, 95, 0.10);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
}

.tray-visual {
  position: relative;
  min-height: 340px;
  border: 1px solid rgba(15, 122, 95, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  padding: 24px;
}

.tray-visual h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.tray-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.tray-cell {
  aspect-ratio: 1;
  border-radius: 6px;
  background: var(--accent-soft);
  border: 1px solid rgba(15, 122, 95, 0.14);
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--accent-dark);
  font-weight: 600;
}

.tray-note {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.stats-strip {
  border-top: 1px solid var(--line);
  background: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat {
  padding: 26px 20px;
  border-left: 1px solid var(--line);
}

.stat:first-child {
  border-left: 0;
}

.stat strong {
  display: block;
  margin-bottom: 4px;
  color: var(--accent-dark);
  font-size: 22px;
}

.stat span {
  color: var(--muted);
  font-size: 14px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
  font-size: 14px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.audience {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.audience h3 {
  margin-bottom: 8px;
  color: var(--accent-dark);
}

.audience p {
  color: var(--muted);
  font-size: 14px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.step h3 {
  margin-bottom: 6px;
}

.step p {
  color: var(--muted);
  font-size: 14px;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-soft);
  background-image: radial-gradient(circle at center, var(--accent) 0 3px, transparent 4px);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex: 0 0 24px;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 18px;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item .answer {
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 15px;
}

.cta-band {
  background: var(--accent);
  color: #fff;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 44px 0;
}

.cta-inner h2 {
  margin-bottom: 8px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.86);
}

.cta-inner .btn-primary {
  background: #fff;
  color: var(--accent-dark);
  white-space: nowrap;
}

.page-head {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}

.page-head-inner {
  padding: 40px 0 36px;
}

.page-head h1 {
  margin: 8px 0 10px;
  font-size: 30px;
}

.page-head p {
  max-width: 720px;
  color: var(--muted);
}

.breadcrumb {
  color: var(--muted);
  font-size: 14px;
}

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

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.info-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.info-card dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
}

.info-card dd {
  margin: 0;
  font-weight: 600;
}

.qr-card {
  grid-column: 1 / -1;
  text-align: center;
}

.qr-card dd {
  display: grid;
  justify-items: center;
}

.qr-media {
  width: min(220px, 100%);
  height: auto;
  border-radius: 8px;
  background: #fff;
}

.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.table th,
.table td {
  padding: 12px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.table th {
  background: var(--bg-soft);
  white-space: nowrap;
}

.category-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.category {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.category h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.category p {
  color: var(--muted);
  font-size: 14px;
}

.notice {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 14px;
}

.notice svg {
  flex: 0 0 20px;
}

.gallery-head {
  margin-top: 48px;
}

.material-head {
  margin-top: 48px;
}

.material-head h3 {
  margin-bottom: 8px;
}

.material-head p {
  max-width: 640px;
  color: var(--muted);
  font-size: 14px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.gallery-item {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.gallery-link {
  display: block;
}

.gallery-item figcaption {
  padding: 10px 12px 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(10, 16, 24, 0.9);
}

.lightbox[hidden] {
  display: none;
}

.lightbox-box {
  max-width: min(94vw, 1200px);
}

.lightbox-box img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 82vh;
  margin: 0 auto;
  border-radius: var(--radius);
}

.lightbox-caption {
  margin-top: 12px;
  color: #e2e8f0;
  font-size: 14px;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.26);
}

.gallery-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.carousel {
  position: relative;
  margin-top: 24px;
}

.carousel-viewport {
  overflow: hidden;
  border-radius: var(--radius);
}

.carousel-track {
  display: flex;
  gap: 16px;
  will-change: transform;
  transition: transform 0.36s ease;
  touch-action: pan-y;
}

.carousel-track.no-transition {
  transition: none;
}

.carousel-slide {
  flex: 0 0 calc((100% - 48px) / 4);
  min-width: 0;
  margin: 0;
  scroll-snap-align: start;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.carousel-slide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  box-shadow: var(--shadow);
  cursor: pointer;
  transform: translateY(-50%);
}

.carousel-arrow:hover {
  color: var(--accent);
  background: #fff;
}

.carousel-prev {
  left: 8px;
}

.carousel-next {
  right: 8px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #cbd5e1;
  cursor: pointer;
}

.carousel-dot.active {
  background: var(--accent);
}

.footer {
  border-top: 1px solid var(--line);
  background: #101828;
  color: #cbd5e1;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding: 48px 0 36px;
}

.footer h3 {
  margin-bottom: 12px;
  color: #fff;
}

.footer a:hover {
  color: #fff;
}

.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px 0;
  color: #94a3b8;
  font-size: 13px;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

.footer-icp {
  color: #94a3b8;
  font-size: 13px;
}

.footer-icp a {
  color: #94a3b8;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .nav-links.open {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav-links.open a {
    display: block;
    padding: 14px 20px;
    border-top: 1px solid var(--line);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .masthead-inner {
    grid-template-columns: 1fr;
    padding: 48px 0;
  }

  .tray-visual {
    min-height: 0;
  }

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

  .stat:nth-child(3) {
    border-left: 0;
  }

  .stat:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .card-grid,
  .audience-grid,
  .steps,
  .category-list,
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .carousel-slide {
    flex-basis: calc((100% - 32px) / 3);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 23px;
  }

  .masthead h1 {
    font-size: 30px;
  }

  .section {
    padding: 48px 0;
  }

  .card-grid,
  .audience-grid,
  .steps,
  .category-list,
  .info-grid,
  .check-list {
    grid-template-columns: 1fr;
  }

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

  .carousel-slide {
    flex-basis: 80%;
  }

  .tray-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}