:root {
  --ink: #243033;
  --muted: #607178;
  --soft: #f7f4ed;
  --paper: #fffdf8;
  --line: #d9e2df;
  --teal: #1d7d72;
  --teal-dark: #115c54;
  --mint: #dff3eb;
  --orange: #d78545;
  --rose: #c86166;
  --blue: #4b79a8;
  --shadow: 0 20px 60px rgba(37, 48, 51, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
}

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

code {
  padding: 0.08em 0.32em;
  border-radius: 6px;
  background: #ecf4f1;
  color: var(--teal-dark);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  top: 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 6vw;
  background: rgba(255, 253, 248, 0.92);
  border-bottom: 1px solid rgba(36, 48, 51, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--teal-dark);
  font-size: 22px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 33% 35%, #fff 0 12%, transparent 13%),
    linear-gradient(135deg, var(--teal), var(--orange));
  box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0.5);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 9px 15px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.active {
  color: var(--teal-dark);
  background: var(--mint);
  outline: none;
}

.nav-toggle {
  display: none;
}

.section-band,
.section-wrap,
.page-hero,
.feature-detail,
.coverage-feature,
.impact-dashboard,
.activity-overview,
.media-coverage,
.story-list,
.impact-preview {
  width: min(1180px, 88vw);
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: 70px 0 84px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
}

h1 {
  max-width: 760px;
  font-size: clamp(44px, 6vw, 76px);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(30px, 3.5vw, 46px);
}

h3 {
  font-size: 23px;
}

.hero-lede,
.page-hero p,
.section-heading p,
.split-feature p,
.detail-copy p {
  color: var(--muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.mission-panel {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 5px solid var(--orange);
  border-radius: 16px;
  background: rgba(255, 253, 248, 0.78);
  box-shadow: 0 12px 36px rgba(37, 48, 51, 0.07);
}

.mission-panel strong {
  color: var(--teal-dark);
  font-size: 18px;
}

.mission-panel p {
  margin: 6px 0 0;
  color: var(--muted);
}

.service-pill-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.service-pill-grid article {
  min-height: 132px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
}

.service-pill-grid span {
  color: var(--teal-dark);
  font-weight: 900;
}

.service-pill-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--teal-dark);
}

.button.secondary {
  color: var(--teal-dark);
  background: #e8f3ee;
}

.hero-visual {
  margin: 0;
  padding: 16px;
  border-radius: 34px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  border-radius: 24px;
}

.hero-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.carousel-track {
  display: flex;
  transition: transform 520ms ease;
}

.carousel-slide {
  flex: 0 0 100%;
  margin: 0;
  padding: 16px;
}

.carousel-slide img {
  width: 100%;
  height: 460px;
  border-radius: 24px;
  object-fit: cover;
  background: var(--mint);
}

.carousel-placeholder {
  display: grid;
  align-content: end;
  min-height: 460px;
  padding: 34px;
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(29, 125, 114, 0.18), rgba(215, 133, 69, 0.18)),
    var(--mint);
  color: var(--ink);
}

.carousel-placeholder.warm {
  background:
    linear-gradient(145deg, rgba(215, 133, 69, 0.2), rgba(200, 97, 102, 0.14)),
    #fff1df;
}

.carousel-placeholder.cool {
  background:
    linear-gradient(145deg, rgba(75, 121, 168, 0.2), rgba(29, 125, 114, 0.12)),
    #edf4fb;
}

.carousel-placeholder span {
  width: fit-content;
  margin-bottom: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.78);
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 900;
}

.carousel-placeholder strong {
  font-size: 30px;
  line-height: 1.2;
}

.carousel-placeholder p {
  max-width: 380px;
  margin: 10px 0 0;
  color: var(--muted);
}

.carousel-slide figcaption {
  min-height: 58px;
  padding: 14px 6px 0;
  color: var(--muted);
  font-weight: 700;
}

.carousel-dots {
  position: absolute;
  right: 30px;
  bottom: 92px;
  display: flex;
  gap: 8px;
}

.carousel-dots span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: rgba(36, 48, 51, 0.28);
  transition: width 220ms ease, background 220ms ease;
}

.carousel-dots span.active {
  width: 26px;
  background: var(--teal-dark);
}

.section-wrap {
  padding: 78px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 680px;
  margin-bottom: 22px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.scenario-card,
.story-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(37, 48, 51, 0.07);
}

.scenario-card {
  padding: 30px;
}

.scenario-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  border-radius: 16px;
  color: #fff;
  background: var(--teal);
  font-weight: 900;
}

.scenario-card:nth-child(2) .scenario-icon {
  background: var(--orange);
}

.scenario-card:nth-child(3) .scenario-icon {
  background: var(--blue);
}

.scenario-card p,
.story-flow p {
  color: var(--muted);
}

.split-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 42px;
  align-items: start;
}

.text-link {
  color: var(--teal-dark);
  font-weight: 900;
}

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

.feature-list a {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

.feature-list span {
  color: var(--muted);
  font-weight: 600;
}

.impact-preview {
  margin-top: 20px;
  padding: 48px;
  border-radius: 28px;
  background: #123f3a;
  color: #fff;
}

.impact-preview .eyebrow,
.impact-preview .section-heading p {
  color: #bde7dc;
}

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

.metric-row {
  margin: 26px 0 30px;
}

.metric-row div,
.impact-dashboard div {
  padding: 22px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
}

.metric-row strong,
.impact-dashboard strong {
  display: block;
  font-size: 44px;
  line-height: 1;
}

.metric-row span,
.impact-dashboard span {
  display: block;
  margin-top: 8px;
  color: #d8eee8;
  font-weight: 700;
}

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

.story-strip a {
  min-height: 120px;
  padding: 24px;
  border-radius: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--teal-dark);
  font-size: 20px;
  font-weight: 900;
  text-decoration: none;
}

.page-hero {
  padding: 76px 0 44px;
}

.page-hero h1 {
  font-size: clamp(40px, 5vw, 62px);
}

.page-hero p {
  max-width: 780px;
}

.feature-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 42px;
  align-items: center;
  padding: 44px 0;
}

.feature-detail.reverse .video-placeholder {
  order: 2;
}

.video-placeholder {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(29, 125, 114, 0.14), rgba(215, 133, 69, 0.16)),
    var(--paper);
  color: var(--teal-dark);
  text-align: center;
  box-shadow: var(--shadow);
}

.play-mark {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 12px 30px rgba(17, 92, 84, 0.18);
  position: relative;
}

.play-mark::after {
  content: "";
  position: absolute;
  left: 29px;
  top: 22px;
  width: 0;
  height: 0;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  border-left: 18px solid var(--teal);
}

.video-placeholder p {
  margin: 10px 0 0;
  font-size: 24px;
  font-weight: 900;
}

.video-placeholder span {
  color: var(--muted);
}

.video-placeholder.has-video {
  display: block;
  padding: 0;
  overflow: hidden;
  background: #111c1a;
}

.video-placeholder video {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 22px;
  object-fit: cover;
}

.feature-points {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.feature-points li {
  position: relative;
  min-height: 46px;
  padding: 12px 16px 12px 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 253, 248, 0.78);
  color: var(--muted);
}

.feature-points li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 1.25em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
}

.check-list {
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  margin: 10px 0;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
}

.impact-dashboard {
  padding: 32px;
  border-radius: 26px;
  background: var(--teal-dark);
  color: #fff;
}

.coverage-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 34px;
  align-items: center;
  margin-bottom: 30px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.cctv-video {
  min-height: 330px;
  box-shadow: none;
}

.coverage-copy p {
  color: var(--muted);
  font-size: 19px;
}

.coverage-copy a,
.media-list a {
  color: var(--teal-dark);
  font-weight: 900;
}

.activity-overview,
.media-coverage {
  padding: 70px 0 20px;
}

.activity-overview .section-heading p,
.media-coverage .section-heading p {
  color: var(--muted);
  font-size: 18px;
}

.activity-summary-panel {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 26px;
  align-items: center;
  margin-bottom: 22px;
  padding: 28px;
  border-radius: 24px;
  background: #123f3a;
  color: #fff;
}

.activity-summary-panel strong {
  display: block;
  font-size: 56px;
  line-height: 1;
}

.activity-summary-panel span {
  color: #cceae2;
  font-weight: 800;
}

.activity-summary-panel p {
  margin: 0;
  color: #e6f6f1;
}

.activity-card-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.activity-card {
  display: grid;
  gap: 12px;
  padding: 24px;
  border-radius: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 14px 40px rgba(37, 48, 51, 0.07);
}

.activity-card time {
  color: var(--teal-dark);
  font-weight: 900;
}

.activity-card h3 {
  margin: 0;
}

.activity-card p {
  margin: 0;
  color: var(--muted);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}

.card-meta span {
  display: inline-flex;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--teal-dark);
  font-weight: 900;
}

.card-meta a {
  color: var(--teal-dark);
  font-weight: 900;
}

.media-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 78px;
}

.media-list a {
  display: grid;
  gap: 8px;
  min-height: 126px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  text-decoration: none;
  box-shadow: 0 14px 40px rgba(37, 48, 51, 0.06);
}

.media-list a:hover,
.media-list a:focus-visible {
  outline: 3px solid rgba(29, 125, 114, 0.22);
  outline-offset: 3px;
}

.media-list span {
  color: var(--orange);
  font-size: 15px;
  font-weight: 900;
}

.media-list strong {
  color: var(--ink);
  line-height: 1.5;
}

.story-list {
  display: grid;
  gap: 30px;
  padding: 28px 0 84px;
}

.story-card {
  padding: 34px;
}

.story-feature {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: 32px;
  align-items: center;
}

.story-illustration {
  margin: 0;
  padding: 14px;
  border-radius: 24px;
  background: #f4faf6;
  border: 1px solid var(--line);
}

.story-illustration svg {
  display: block;
  width: 100%;
  height: auto;
}

.story-content > p {
  color: var(--muted);
  font-size: 18px;
}

.story-lede {
  margin-top: 18px;
}

.story-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.story-flow div {
  padding: 20px;
  border-radius: 16px;
  background: #f2f8f5;
}

.story-flow strong {
  color: var(--teal-dark);
}

.qr-section {
  padding-top: 34px;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: start;
}

.qr-card {
  display: grid;
  justify-items: center;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  text-align: center;
  box-shadow: 0 14px 40px rgba(37, 48, 51, 0.07);
}

.qr-image {
  width: min(100%, 430px);
  height: auto;
  aspect-ratio: 1;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 32px rgba(37, 48, 51, 0.08);
}

.qr-card h3 {
  margin-top: 8px;
}

.qr-card p {
  max-width: 360px;
  margin: 0;
  color: var(--muted);
}

.svg-bg {
  fill: #eaf7f2;
}

.svg-bg.warm {
  fill: #fff1df;
}

.svg-bg.cool {
  fill: #edf4fb;
}

.svg-skin {
  fill: #f2c9a8;
}

.svg-hair {
  fill: none;
  stroke: #394447;
  stroke-width: 9;
  stroke-linecap: round;
}

.svg-coat {
  fill: var(--teal);
}

.svg-coat.orange {
  fill: var(--orange);
}

.svg-phone {
  fill: #fffdf8;
  stroke: #b9cac5;
  stroke-width: 4;
}

.svg-line,
.svg-ground {
  fill: none;
  stroke: #6f8a84;
  stroke-width: 7;
  stroke-linecap: round;
}

.svg-path {
  fill: none;
  stroke: #88b8ad;
  stroke-width: 9;
  stroke-linecap: round;
  stroke-dasharray: 3 18;
}

.svg-building {
  fill: #94b7d4;
}

.svg-book {
  fill: #f8dfbc;
  stroke: #d78545;
  stroke-width: 4;
}

.svg-desk {
  fill: #d8b07b;
}

.svg-wave {
  fill: none;
  stroke: var(--teal);
  stroke-width: 7;
  stroke-linecap: round;
}

.svg-wave.light {
  stroke: #77a9c9;
}

.svg-accent {
  fill: var(--orange);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 6vw;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    min-height: 68px;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 12px;
    background: var(--mint);
  }

  .nav-toggle span[aria-hidden="true"],
  .nav-toggle span[aria-hidden="true"]::before,
  .nav-toggle span[aria-hidden="true"]::after {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--teal-dark);
    content: "";
  }

  .nav-toggle span[aria-hidden="true"]::before {
    transform: translateY(-7px);
  }

  .nav-toggle span[aria-hidden="true"]::after {
    transform: translateY(5px);
  }

  .site-nav {
    position: absolute;
    left: 6vw;
    right: 6vw;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--paper);
    box-shadow: var(--shadow);
  }

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

  .hero,
  .split-feature,
  .feature-detail,
  .feature-detail.reverse,
  .coverage-feature,
  .story-feature,
  .scenario-grid,
  .service-pill-grid,
  .story-strip,
  .story-flow,
  .qr-grid,
  .activity-card-list,
  .media-list {
    grid-template-columns: 1fr;
  }

  .feature-detail.reverse .video-placeholder {
    order: 0;
  }

  .metric-row,
  .impact-dashboard {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .carousel-placeholder {
    min-height: 360px;
  }

  .carousel-slide img {
    height: 360px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .section-band,
  .section-wrap,
  .page-hero,
  .feature-detail,
  .coverage-feature,
  .impact-dashboard,
  .activity-overview,
  .media-coverage,
  .story-list,
  .impact-preview {
    width: min(100% - 32px, 1180px);
  }

  h1 {
    font-size: 42px;
  }

  .metric-row,
  .impact-dashboard {
    grid-template-columns: 1fr;
  }

  .impact-preview {
    padding: 30px 22px;
  }

  .carousel-slide {
    padding: 12px;
  }

  .carousel-placeholder {
    min-height: 300px;
    padding: 24px;
  }

  .carousel-slide img {
    height: 300px;
  }

  .carousel-placeholder strong {
    font-size: 24px;
  }

  .carousel-dots {
    right: 24px;
    bottom: 86px;
  }

  .coverage-feature,
  .activity-summary-panel {
    padding: 24px;
  }

  .activity-summary-panel {
    grid-template-columns: 1fr;
  }

  .story-card,
  .scenario-card {
    padding: 24px;
  }
}

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