:root {
  --c-volcano: #FF4D1C;
  --c-volcano-deep: #E63E00;
  --c-navy: #0B1B33;
  --c-steel: #1E3A5F;
  --c-frost: #F4F6FA;
  --c-soft: #E8ECF2;
  --c-green: #00C48C;
  --c-gold: #FFC247;
  --c-text: #10233F;
  --c-muted: #5A6B85;
  --white: #FFFFFF;
  --container: 1200px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 22px -16px rgba(11, 27, 51, 0.18);
  --shadow-float: 0 18px 38px -22px rgba(11, 27, 51, 0.28);
  --font-head: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.75;
  background: var(--c-frost);
  color: var(--c-text);
  -webkit-font-smoothing: antialiased;
}

#main-content {
  flex: 1 0 auto;
  width: 100%;
  scroll-margin-top: 110px;
  outline: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-navy);
}

p {
  margin: 0;
}

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

li {
  list-style: none;
}

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

a {
  color: var(--c-volcano-deep);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

a:hover {
  color: var(--c-volcano);
}

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

:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--c-gold);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: 0;
  left: -100vw;
  z-index: 2000;
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  background: var(--c-navy);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
  border-radius: 0 0 16px 0;
}

.skip-link:focus {
  left: 0;
  outline: 3px solid var(--c-gold);
  outline-offset: 0;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 32px;
}

.section {
  padding-block: clamp(56px, 9vw, 96px);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.section-kicker {
  display: block;
  margin-bottom: 6px;
  color: var(--c-volcano-deep);
  font-size: 0.8125rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.section-lead {
  max-width: 58ch;
  color: var(--c-muted);
  font-size: 1.0625rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--c-soft);
  color: var(--c-navy);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, background 0.2s ease-out;
}

.btn:hover {
  color: var(--c-navy);
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--c-volcano);
  color: var(--white);
  box-shadow: 0 10px 24px -12px rgba(255, 77, 28, 0.65);
}

.btn-primary:hover {
  background: var(--c-volcano-deep);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--c-navy);
  color: var(--c-navy);
}

.btn-ghost:hover {
  background: var(--c-soft);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--c-soft);
  color: var(--c-navy);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.pill--volcano {
  background: rgba(255, 77, 28, 0.1);
  color: var(--c-volcano-deep);
}

.pill--gold {
  background: rgba(255, 194, 71, 0.18);
  color: #9A6A00;
}

.pill--green {
  background: rgba(0, 196, 140, 0.12);
  color: #008F68;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

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

.split-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}

.split-grid--6 {
  grid-template-columns: 1fr 1fr;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--c-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}

.card--accent {
  border-top: 4px solid var(--c-volcano);
}

.card__title {
  font-size: 1.125rem;
}

.card__text {
  color: var(--c-muted);
  font-size: 0.9375rem;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
}

.stat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-navy), var(--c-steel));
  border-radius: 22px;
  color: var(--white);
  box-shadow: var(--shadow-card);
}

.stat-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -40px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: var(--c-volcano);
  opacity: 0.25;
}

.stat-card--gold::after {
  background: var(--c-gold);
}

.stat-card__value {
  position: relative;
  z-index: 1;
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-card__label {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.875rem;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background:
    radial-gradient(circle at 85% -10%, rgba(255, 77, 28, 0.25), transparent 36%),
    linear-gradient(135deg, rgba(11, 27, 51, 0.96) 0%, rgba(30, 58, 95, 0.92) 100%);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: var(--white);
  box-shadow: 0 14px 34px -24px rgba(0, 0, 0, 0.4);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-volcano) 0%, var(--c-volcano) 42%, var(--c-gold) 42%, var(--c-gold) 68%, var(--c-green) 68%, var(--c-green) 100%);
  z-index: 1;
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  border-radius: 0 99px 99px 0;
  background: linear-gradient(90deg, var(--c-gold), var(--c-volcano));
  z-index: 6;
  pointer-events: none;
}

.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: var(--container);
  margin-inline: auto;
  padding: 18px 32px;
  z-index: 2;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  color: var(--white);
  text-decoration: none;
}

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

.brand-mark {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 8px 16px rgba(255, 77, 28, 0.3));
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brand-tagline {
  max-width: 28ch;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.main-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-pill);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.925rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease-out, background 0.2s ease-out;
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.nav-link[aria-current="page"] {
  color: var(--white);
  background: rgba(255, 77, 28, 0.22);
  box-shadow: inset 0 0 0 1px rgba(255, 77, 28, 0.35);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--c-volcano);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 12px 24px -14px rgba(255, 77, 28, 0.8);
  transition: background 0.2s ease-out, transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.nav-cta:hover {
  background: var(--c-volcano-deep);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -14px rgba(255, 77, 28, 0.9);
}

.nav-item--cta {
  margin-left: 10px;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.2s ease-out, border-color 0.2s ease-out;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
}

.nav-toggle-lines {
  position: relative;
  display: inline-block;
  width: 22px;
  height: 16px;
}

.nav-toggle-lines i {
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}

.nav-toggle-lines i:nth-child(1) {
  top: 1px;
}

.nav-toggle-lines i:nth-child(2) {
  top: 7px;
}

.nav-toggle-lines i:nth-child(3) {
  top: 13px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines i:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-footer {
  position: relative;
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 77, 28, 0.14), transparent 30%),
    linear-gradient(145deg, var(--c-navy) 0%, #061226 65%, var(--c-steel) 100%);
  color: rgba(255, 255, 255, 0.78);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-volcano) 0%, var(--c-volcano) 42%, var(--c-gold) 42%, var(--c-gold) 68%, var(--c-green) 68%, var(--c-green) 100%);
}

.site-footer::after {
  content: "";
  position: absolute;
  right: 60px;
  bottom: 40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 71, 0.1), transparent 68%);
  pointer-events: none;
}

.footer-shell {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin-inline: auto;
  padding: 72px 32px 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1.1fr;
  gap: clamp(32px, 4vw, 64px);
}

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

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

.footer-brand .brand-tagline {
  color: rgba(255, 255, 255, 0.62);
}

.footer-about {
  max-width: 46ch;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.925rem;
  line-height: 1.8;
}

.footer-trust {
  max-width: 52ch;
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 3px solid var(--c-gold);
  border-radius: 0 14px 14px 0;
  background: rgba(255, 194, 71, 0.08);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.7;
}

.footer-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--white);
  font-size: 0.9375rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-heading::before {
  content: "";
  width: 24px;
  height: 3px;
  border-radius: 99px;
  background: var(--c-volcano);
}

.footer-link-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.footer-link-list a {
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.925rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease-out, transform 0.2s ease-out;
}

.footer-link-list a::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--c-volcano);
  opacity: 0.7;
  transition: opacity 0.2s ease-out, background 0.2s ease-out;
}

.footer-link-list a:hover {
  color: var(--white);
  transform: translateX(3px);
}

.footer-link-list a:hover::before {
  background: var(--c-gold);
  opacity: 1;
}

.contact-meta {
  display: grid;
  gap: 12px;
}

.contact-meta li {
  display: grid;
  grid-template-columns: 3.2em 1fr;
  gap: 4px 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  line-height: 1.6;
}

.contact-label {
  color: var(--white);
  font-weight: 800;
}

.contact-value {
  word-break: break-word;
}

.footer-contact-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.84375rem;
}

.footer-copyright {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: auto;
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-left: auto;
}

.legal-links a {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  text-decoration: none;
}

.legal-links a:hover {
  color: var(--white);
}

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 16px;
  background: var(--c-navy);
  color: var(--white);
  cursor: pointer;
  box-shadow: 0 18px 30px -16px rgba(11, 27, 51, 0.45);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.2s ease-out, transform 0.2s ease-out, background 0.2s ease-out;
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

.back-to-top:hover {
  background: var(--c-volcano);
  color: var(--white);
}

.back-to-top[data-visible="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 18px 0;
  color: var(--c-muted);
  font-size: 0.875rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--c-soft);
}

.breadcrumbs a {
  color: var(--c-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--c-volcano);
}

.breadcrumbs [aria-current="page"] {
  color: var(--c-text);
  font-weight: 700;
}

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 75% 20%, rgba(255, 77, 28, 0.22), transparent 32%),
    linear-gradient(135deg, var(--c-steel), var(--c-navy));
}

.media-frame img,
.media-frame svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--hero {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg);
}

.media-frame--wide {
  aspect-ratio: 21 / 9;
}

.media-frame--card {
  aspect-ratio: 4 / 3;
  border-radius: 18px;
}

.media-frame--profile {
  aspect-ratio: 3 / 4;
  border-radius: 22px;
}

.media-frame[data-caption]::after {
  content: attr(data-caption);
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 2;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(11, 27, 51, 0.78);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
}

.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--c-volcano), var(--c-soft));
}

.timeline__item {
  position: relative;
  padding: 0 0 28px 20px;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-volcano);
  box-shadow: 0 0 0 4px rgba(255, 77, 28, 0.12);
}

.timeline__meta {
  display: block;
  margin-bottom: 4px;
  color: var(--c-muted);
  font-size: 0.8125rem;
}

.timeline__title {
  font-size: 1.0625rem;
}

.timeline__text {
  margin-top: 4px;
  color: var(--c-muted);
  font-size: 0.9rem;
}

.data-table {
  width: 100%;
  overflow: hidden;
  border-collapse: collapse;
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow-card);
}

.data-table th {
  padding: 12px 16px;
  background: var(--c-steel);
  color: var(--white);
  text-align: left;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.data-table td {
  padding: 12px 16px;
  border-top: 1px solid var(--c-soft);
  font-size: 0.9rem;
}

.data-table tbody tr:hover {
  background: rgba(255, 77, 28, 0.04);
}

@media (max-width: 1100px) {
  .brand-tagline {
    display: none;
  }

  .nav-link {
    padding: 0.55rem 0.65rem;
  }
}

@media (max-width: 959px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    padding: 12px 24px 24px;
    background: linear-gradient(180deg, var(--c-navy), var(--c-steel));
    border-radius: 0 0 24px 24px;
    box-shadow: 0 24px 50px -28px rgba(0, 0, 0, 0.55);
  }

  .main-nav[data-open] {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .nav-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    border-radius: 14px;
    font-size: 1rem;
  }

  .nav-cta {
    width: 100%;
    margin-top: 14px;
  }

  .nav-item--cta {
    margin-left: 0;
  }

  .split-grid,
  .split-grid--6 {
    grid-template-columns: 1fr;
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal-links {
    margin-left: 0;
  }
}

@media (max-width: 700px) {
  .grid--3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .container {
    padding-inline: 16px;
  }

  .nav-shell {
    padding: 14px 16px;
  }

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

  .brand-name {
    font-size: 1.1rem;
  }

  .nav-toggle {
    padding: 0.5rem 0.7rem;
  }

  .main-nav {
    padding: 10px 16px 20px;
  }

  .footer-shell {
    padding: 56px 20px 32px;
  }

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
  }

  .media-frame--wide {
    aspect-ratio: 4 / 3;
  }
}

@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;
  }

  .nav-cta:hover,
  .card:hover,
  .back-to-top:hover {
    transform: none;
  }

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