:root {
  --c-primary: #00A89D;
  --c-primary-dark: #008a81;
  --c-accent: #F36A3B;
  --c-accent-dark: #d94e1f;
  --c-deep: #1B4E6B;
  --c-deep-dark: #0f3142;
  --c-paper: #F5F2E6;
  --c-aux: #6BCB9A;
  --c-ink: #1A1A1A;
  --c-gray: #8C8C8C;
  --c-danger: #C0392B;
  --font-head: "STKaiti", "KaiTi", "楷体", "FangSong", "SimSun", serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --shadow-hard: 8px 8px 0 rgba(26, 26, 26, 0.16);
  --shadow-hard-sm: 4px 4px 0 rgba(26, 26, 26, 0.14);
  --radius: 0.5rem;
  --container: 76rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--c-ink);
  background: var(--c-paper);
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--c-primary);
}

ul,
ol,
dl {
  margin: 0;
  padding: 0;
}

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

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  padding: 0.6rem 1rem;
  background: var(--c-accent);
  color: #fff;
  border-radius: 0.25rem;
  font: 600 0.9rem/1.4 var(--font-body);
  text-decoration: none;
  transform: translateY(-160%);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
  opacity: 1;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  height: 4px;
  width: 0;
  background: var(--c-accent);
  pointer-events: none;
}

.site-header {
  position: relative;
  z-index: 60;
  background: var(--c-deep);
  color: var(--c-paper);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.18);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 92% 15%, rgba(0, 168, 157, 0.3) 0%, transparent 28%),
    linear-gradient(115deg, transparent 55%, rgba(245, 242, 230, 0.06) 55.1%, rgba(245, 242, 230, 0.06) 68%, transparent 68.1%),
    linear-gradient(115deg, transparent 72%, rgba(243, 106, 59, 0.16) 72.1%, rgba(243, 106, 59, 0.16) 82%, transparent 82.1%);
}

.ticker-bar {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: linear-gradient(90deg, var(--c-primary) 0%, #00b8ab 100%);
  color: #083f39;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
}

.ticker-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.6);
  animation: tickerPulse 2s infinite;
}

@keyframes tickerPulse {
  70% {
    box-shadow: 0 0 0 0.55rem rgba(255, 255, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

.ticker-text {
  margin: 0;
}

.header-main {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin-inline: auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--c-paper);
  text-decoration: none;
}

.brand-brush {
  flex: 0 0 auto;
  width: 2.9rem;
  height: 2.9rem;
  display: grid;
  place-items: center;
  background: var(--c-paper);
  color: var(--c-primary);
  border: 3px solid var(--c-ink);
  border-radius: 0.9rem 0.3rem 0.9rem 0.3rem;
  font-family: var(--font-head);
  font-size: 1.3rem;
  line-height: 1;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title {
  font-family: var(--font-head);
  font-size: 1.45rem;
}

.brand-sub {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: rgba(245, 242, 230, 0.7);
}

.site-nav {
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.nav-list a {
  display: block;
  padding: 0.45rem 0.85rem;
  border: 2px solid transparent;
  border-radius: 999px;
  color: rgba(245, 242, 230, 0.85);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-list a:hover {
  background: rgba(0, 168, 157, 0.3);
  color: #fff;
}

.nav-list a[aria-current="page"] {
  background: var(--c-primary);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.nav-sphere {
  display: none;
}

@media (max-width: 860px) {
  .header-main {
    flex-wrap: wrap;
  }

  .nav-sphere {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    width: 3.6rem;
    height: 3.6rem;
    border: 3px solid var(--c-paper);
    border-radius: 50%;
    background: var(--c-primary);
    color: var(--c-paper);
    cursor: pointer;
    box-shadow: 0 5px 0 rgba(0, 0, 0, 0.2);
  }

  .nav-sphere:hover {
    background: var(--c-primary-dark);
  }

  .nav-sphere-core {
    position: relative;
    width: 1.2rem;
    height: 0.22rem;
    border-radius: 2px;
    background: var(--c-paper);
  }

  .nav-sphere-core::before,
  .nav-sphere-core::after {
    content: "";
    position: absolute;
    left: 0;
    width: 1.2rem;
    height: 0.22rem;
    border-radius: 2px;
    background: var(--c-paper);
    transition: transform 0.25s ease;
  }

  .nav-sphere-core::before {
    top: -0.34rem;
  }

  .nav-sphere-core::after {
    top: 0.34rem;
  }

  .nav-sphere[data-open] .nav-sphere-core {
    background: transparent;
  }

  .nav-sphere[data-open] .nav-sphere-core::before {
    transform: translateY(0.34rem) rotate(45deg);
  }

  .nav-sphere[data-open] .nav-sphere-core::after {
    transform: translateY(-0.34rem) rotate(-45deg);
  }

  .nav-sphere-tip {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.14em;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-deep);
    border-top: 2px solid rgba(245, 242, 230, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    padding: 0.75rem 1.25rem 1.25rem;
  }

  .nav-list a {
    border-radius: 0.3rem;
    border-bottom: 1px solid rgba(245, 242, 230, 0.1);
  }
}

@media (min-width: 861px) {
  .site-nav {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-list {
    flex-direction: row;
  }

  .nav-sphere {
    display: none;
  }
}

.page-wrap {
  max-width: var(--container);
  margin-inline: auto;
  padding: 2rem 1.25rem 3.5rem;
}

.section {
  position: relative;
  padding: clamp(2rem, 6vw, 4rem) 1.25rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.section-number {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1;
  color: var(--c-primary);
}

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  color: var(--c-ink);
}

.section-lead {
  max-width: 46rem;
  color: var(--c-gray);
}

.hero {
  position: relative;
  min-height: min(88vh, 46rem);
  display: grid;
  align-items: center;
  padding: 3rem 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-deep) 0%, #1d5c7a 60%, var(--c-primary) 160%);
  color: var(--c-paper);
}

.hero::before {
  content: "";
  position: absolute;
  top: -5rem;
  right: -7rem;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  background: rgba(243, 106, 59, 0.22);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 58%, rgba(0, 168, 157, 0.4) 58.1%, rgba(0, 168, 157, 0.3) 74%, transparent 74.1%),
    linear-gradient(115deg, transparent 78%, rgba(245, 242, 230, 0.15) 78.1%, rgba(245, 242, 230, 0.15) 88%, transparent 88.1%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin-inline: auto;
  padding: 2rem 1.25rem;
}

.hero-title {
  max-width: 8.5em;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  margin-bottom: 0.4em;
}

.hero-lead {
  max-width: 38rem;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(245, 242, 230, 0.85);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.theme-band {
  margin: 2rem 0;
  padding: 2.5rem 1.25rem;
  background: linear-gradient(100deg, var(--c-primary) 0%, var(--c-deep) 120%);
  color: var(--c-paper);
}

.theme-band-inner {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.theme-band h2,
.theme-band h3 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2,
.grid-3,
.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 760px) {
  .theme-band-inner {
    grid-template-columns: 1fr;
  }
}

.card {
  overflow: hidden;
  background: var(--c-paper);
  border: 3px solid var(--c-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card[data-lift]:hover {
  transform: translate(-3px, -3px);
  box-shadow: 11px 11px 0 rgba(26, 26, 26, 0.16);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-bottom: 3px solid var(--c-ink);
  background: rgba(0, 168, 157, 0.12);
}

.card-body {
  padding: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: 0.25rem;
  font: 600 0.95rem/1 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
  box-shadow: 0 4px 0 #006e67;
}

.btn-primary:hover {
  background: var(--c-primary-dark);
  transform: translateY(1px);
  box-shadow: 0 2px 0 #006e67;
}

.btn-accent {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
  box-shadow: 0 4px 0 #c35027;
}

.btn-accent:hover {
  background: var(--c-accent-dark);
  transform: translateY(1px);
  box-shadow: 0 2px 0 #c35027;
}

.btn-outline {
  background: transparent;
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.btn-outline:hover {
  background: var(--c-primary);
  color: #fff;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--c-gray);
}

.breadcrumb a {
  color: var(--c-primary);
  text-decoration: none;
}

.breadcrumb [aria-current="page"] {
  color: var(--c-gray);
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
}

.tag-btn {
  appearance: none;
  border: 2px solid var(--c-ink);
  border-radius: 999px;
  background: var(--c-paper);
  color: var(--c-ink);
  padding: 0.35rem 0.9rem;
  font: 600 0.85rem/1.4 var(--font-body);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tag-btn:hover {
  background: rgba(0, 168, 157, 0.15);
}

.tag-btn[aria-pressed="true"] {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
}

[data-filter-item][data-hidden] {
  display: none;
}

.accordion {
  margin: 1.5rem 0;
}

.accordion-item {
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--c-paper);
  border: 2px solid var(--c-ink);
  border-radius: 0.35rem;
  box-shadow: var(--shadow-hard-sm);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: none;
  border: 0;
  font: 600 1rem/1.4 var(--font-body);
  text-align: left;
  color: var(--c-ink);
  cursor: pointer;
}

.accordion-trigger:hover {
  background: rgba(0, 168, 157, 0.1);
}

.accordion-icon {
  color: var(--c-primary);
  font-size: 1.4rem;
  line-height: 1;
  transition: transform 0.25s ease;
}

.accordion-item[data-open] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.accordion-panel > div {
  overflow: hidden;
}

.accordion-item[data-open] .accordion-panel {
  grid-template-rows: 1fr;
}

.accordion-panel-inner {
  padding: 0 1.25rem 1.25rem;
  color: var(--c-gray);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--c-deep);
  border: 3px solid var(--c-ink);
  border-radius: 0.4rem;
  box-shadow: var(--shadow-hard-sm);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, transparent 0%, rgba(0, 168, 157, 0.14) 45%, rgba(27, 78, 107, 0.4) 100%);
  pointer-events: none;
}

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

.media-frame[data-ratio="4/3"] {
  aspect-ratio: 4 / 3;
}

.media-frame[data-ratio="1/1"] {
  aspect-ratio: 1 / 1;
}

.media-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: rgba(245, 242, 230, 0.8);
  font-family: var(--font-head);
  font-size: 1.3rem;
  letter-spacing: 0.25em;
  background: repeating-linear-gradient(135deg, var(--c-deep) 0 14px, #1d5c7a 14px 28px);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-accent);
}

.dock {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
}

.dock-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.dock[data-open] .dock-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dock-menu a {
  display: block;
  padding: 0.45rem 1rem;
  border: 2px solid var(--c-primary);
  border-radius: 999px;
  background: var(--c-deep);
  color: var(--c-paper);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.2);
}

.dock-menu a:hover {
  background: var(--c-primary);
  color: #fff;
}

.dock-trigger {
  position: relative;
  width: 3.7rem;
  height: 3.7rem;
  border: 3px solid var(--c-paper);
  border-radius: 50%;
  background: var(--c-accent);
  color: var(--c-paper);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

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

.dock-trigger::before {
  content: "";
  position: absolute;
  inset: -0.4rem;
  border: 2px dashed rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: spin 16s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.top-link {
  position: fixed;
  right: 1.6rem;
  bottom: 5.6rem;
  z-index: 85;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 2px solid var(--c-primary);
  border-radius: 50%;
  background: var(--c-deep);
  color: var(--c-paper);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.top-link[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.top-link:hover {
  background: var(--c-primary);
  color: #fff;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

.site-footer {
  position: relative;
  margin-top: 4rem;
  background: linear-gradient(180deg, #17506e 0%, var(--c-deep) 30%, #10364c 100%);
  color: var(--c-paper);
}

.footer-wave {
  position: relative;
  height: 2.75rem;
  background: linear-gradient(90deg, var(--c-primary), var(--c-aux));
}

.footer-wave::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-deep);
  clip-path: polygon(0 100%, 100% 100%, 100% 45%, 0 0);
}

.footer-inner {
  position: relative;
  max-width: var(--container);
  margin-inline: auto;
  padding: 2.5rem 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer-logo {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-size: 1.9rem;
  color: var(--c-primary);
}

.footer-desc {
  max-width: 40rem;
  color: rgba(245, 242, 230, 0.78);
  font-size: 0.95rem;
}

.footer-trust {
  max-width: 42rem;
  margin-top: 1.1rem;
  padding-left: 1rem;
  border-left: 3px solid var(--c-accent);
  color: rgba(245, 242, 230, 0.68);
  font-size: 0.85rem;
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.footer-links dt {
  margin-bottom: 0.5rem;
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--c-primary);
}

.footer-links dd {
  margin: 0 0 0.4rem;
}

.footer-links a {
  color: rgba(245, 242, 230, 0.85);
  text-decoration: none;
  font-size: 0.94rem;
}

.footer-links a:hover {
  color: var(--c-accent);
}

.footer-contact-head {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--c-primary);
}

.footer-contact p {
  margin-bottom: 0.35rem;
  color: rgba(245, 242, 230, 0.8);
  font-size: 0.92rem;
}

.footer-bottom {
  max-width: var(--container);
  margin-inline: auto;
  padding: 1.15rem 1.25rem 1.5rem;
  border-top: 1px solid rgba(245, 242, 230, 0.16);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  color: rgba(245, 242, 230, 0.55);
  font-size: 0.82rem;
}

@media (min-width: 640px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .ticker-dot {
    animation: none;
  }

  .dock-trigger::before {
    animation: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}