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

:root {
  --c-navy: #0A1929;
  --c-navy-2: #112240;
  --c-green: #29F49A;
  --c-green-light: #5DF7B5;
  --c-red: #FF4D6D;
  --c-text: #E6F1FF;
  --c-dim: #8892B0;
  --c-border: #233554;
  --c-white: #FFFFFF;
  --header-w: 288px;
  --header-h: 64px;
  --container-w: 1200px;
  --radius-lg: 24px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --font-head: 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', 'Segoe UI', sans-serif;
  --font-body: 'Segoe UI', 'Roboto', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-num: 'SF Mono', 'Cascadia Code', 'Roboto Mono', 'Consolas', monospace;
  --shadow-green: 0 0 28px rgba(41, 244, 154, 0.30);
  --shadow-card: 0 8px 30px rgba(10, 25, 41, 0.45);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--c-navy);
  color: var(--c-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

ul,
ol {
  list-style: none;
}

:focus-visible {
  outline: 3px solid var(--c-green);
  outline-offset: 2px;
  border-radius: 4px;
}

#main-content {
  min-height: 60vh;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 3000;
  padding: 10px 20px;
  background: var(--c-green);
  color: var(--c-navy);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: var(--shadow-green);
  transition: top 0.25s var(--ease);
}

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

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-green), var(--c-green-light));
  border-radius: 0 3px 3px 0;
  z-index: 2100;
  pointer-events: none;
  transition: width 0.08s linear;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  width: 100%;
  background: var(--c-navy-2);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 12px;
}

.header-track {
  display: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--c-green);
  color: var(--c-navy);
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}

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

.brand-name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 10px;
  color: var(--c-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 1060;
  transition: border-color 0.25s;
}

.nav-toggle:hover {
  border-color: var(--c-green);
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-text);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), background 0.3s;
}

.nav-toggle:hover .nav-toggle-line {
  background: var(--c-green);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--c-navy-2);
  border-right: 1px solid var(--c-border);
  padding: 24px 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateX(-100%);
  transition: transform 0.32s var(--ease);
  z-index: 1100;
  overflow-y: auto;
}

.site-nav[data-open] {
  transform: translateX(0);
  box-shadow: 0 0 60px rgba(10, 25, 41, 0.85);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  color: var(--c-dim);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  position: relative;
  transition: background 0.25s, color 0.25s;
}

.nav-link:hover {
  color: var(--c-text);
  background: rgba(41, 244, 154, 0.06);
}

.nav-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  background: var(--c-navy-2);
  color: var(--c-dim);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  transition: all 0.25s;
}

.nav-link:hover .nav-index {
  border-color: var(--c-green);
  color: var(--c-green);
}

.nav-link[aria-current="page"] {
  color: var(--c-green);
  background: rgba(41, 244, 154, 0.08);
}

.nav-link[aria-current="page"]::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  border-radius: 3px;
  background: var(--c-green);
  box-shadow: 0 0 10px rgba(41, 244, 154, 0.7);
}

.nav-link[aria-current="page"] .nav-index {
  background: var(--c-green);
  border-color: var(--c-green);
  color: var(--c-navy);
  box-shadow: 0 0 14px rgba(41, 244, 154, 0.45);
}

.nav-label {
  letter-spacing: 0.02em;
}

.nav-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: auto;
  padding: 13px 20px;
  border-radius: var(--radius-pill);
  background: var(--c-green);
  color: var(--c-navy);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
  transition: background 0.25s, box-shadow 0.25s, transform 0.15s;
}

.nav-cta:hover {
  background: var(--c-green-light);
  box-shadow: var(--shadow-green);
}

.nav-cta:active {
  transform: translateY(1px);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  top: var(--header-h);
  background: rgba(10, 25, 41, 0.68);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
}

.site-nav[data-open] ~ .nav-backdrop {
  opacity: 1;
  visibility: visible;
}

@media (min-width: 1024px) {
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--header-w);
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    padding: 24px 20px;
    border-bottom: none;
    border-right: 1px solid var(--c-border);
    gap: 20px;
    overflow-y: hidden;
  }

  .site-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: -1px;
    height: 100%;
    width: 3px;
    background: linear-gradient(
      180deg,
      var(--c-green) 0%,
      var(--c-green) 12%,
      transparent 12%,
      transparent 86%,
      var(--c-red) 86%,
      var(--c-red) 100%
    );
  }

  .header-track {
    display: block;
    position: absolute;
    top: 140px;
    bottom: 140px;
    left: 54px;
    width: 2px;
    background: var(--c-border);
    border-radius: 2px;
    pointer-events: none;
  }

  .header-track::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-green);
    box-shadow: 0 0 12px rgba(41, 244, 154, 0.8);
  }

  .brand {
    padding: 4px 8px;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    height: auto;
    flex: 1;
    min-height: 0;
    padding: 0;
    transform: none;
    border-right: none;
    box-shadow: none;
    background: transparent;
    overflow-y: auto;
  }

  .site-nav[data-open] {
    transform: none;
    box-shadow: none;
  }

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

  .nav-link[aria-current="page"]::before {
    left: 2px;
  }

  .nav-backdrop {
    display: none;
  }

  .scroll-progress {
    left: var(--header-w);
  }

  #main-content,
  .site-footer {
    margin-left: var(--header-w);
  }
}

.site-footer {
  background: var(--c-navy);
  border-top: 1px solid var(--c-border);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-green) 0%, rgba(41, 244, 154, 0) 65%);
  border-radius: 3px;
}

.footer-container {
  padding-top: 56px;
  padding-bottom: 28px;
}

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

.footer-grid > * {
  min-width: 0;
}

.footer-brand-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brand-footer {
  padding: 0;
}

.footer-desc {
  color: var(--c-dim);
  font-size: 14px;
  line-height: 1.8;
  max-width: 300px;
}

.footer-trust {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-green);
  padding: 6px 14px;
  border: 1px solid rgba(41, 244, 154, 0.35);
  border-radius: var(--radius-pill);
  background: rgba(41, 244, 154, 0.06);
  width: fit-content;
}

.trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 10px rgba(41, 244, 154, 0.9);
  animation: pulse 2s infinite;
}

.footer-block,
.footer-contact-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-head {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: 0.04em;
  padding-bottom: 10px;
  margin-bottom: 4px;
  position: relative;
}

.footer-head::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--c-green);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--c-dim);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--c-green);
  padding-left: 6px;
}

.contact-label {
  font-family: var(--font-head);
  font-size: 12px;
  color: var(--c-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-phone {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-green);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.contact-line {
  color: var(--c-dim);
  font-size: 14px;
  line-height: 1.6;
}

.contact-time {
  color: var(--c-green);
  font-size: 13px;
  font-weight: 600;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--c-border);
  margin-top: 48px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-size: 13px;
  color: var(--c-dim);
}

.footer-slogan {
  color: var(--c-green);
  font-weight: 600;
  letter-spacing: 0.04em;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.6fr;
    gap: 32px;
  }
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 20px;
  min-width: 0;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 32px;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: 40px;
  }
}

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

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

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

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

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

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .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);
  }
}

.section {
  padding: 48px 0;
}

.section-hero {
  padding: 72px 0;
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .section-hero {
    padding: 96px 0;
  }
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: 10px;
}

.section-kicker::before {
  content: '';
  width: 26px;
  height: 3px;
  background: var(--c-green);
  border-radius: 3px;
  transform: skewX(-18deg);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--c-white);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--c-dim);
  font-size: 15px;
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s, border-color 0.25s, transform 0.15s;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--c-green);
  color: var(--c-navy);
}

.btn-primary:hover {
  background: var(--c-green-light);
  box-shadow: var(--shadow-green);
}

.btn-ghost {
  border: 1px solid var(--c-border);
  color: var(--c-text);
}

.btn-ghost:hover {
  border-color: var(--c-green);
  color: var(--c-green);
  background: rgba(41, 244, 154, 0.06);
}

.btn-danger {
  background: var(--c-red);
  color: var(--c-white);
}

.btn-danger:hover {
  box-shadow: 0 0 22px rgba(255, 77, 109, 0.35);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--c-dim);
}

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

.breadcrumb li + li::before {
  content: '/';
  color: var(--c-border);
}

.breadcrumb a {
  color: var(--c-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--c-green);
}

.breadcrumb [aria-current="page"] {
  color: var(--c-text);
  font-weight: 600;
}

.card {
  background: var(--c-navy-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg) var(--radius-sm) var(--radius-lg) var(--radius-sm);
  padding: 24px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}

.card:hover {
  border-color: rgba(41, 244, 154, 0.45);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-border);
  background: var(--c-navy-2);
  color: var(--c-dim);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.badge-green {
  background: rgba(41, 244, 154, 0.10);
  border-color: rgba(41, 244, 154, 0.45);
  color: var(--c-green);
}

.badge-hot,
.badge-live {
  background: rgba(255, 77, 109, 0.10);
  border-color: rgba(255, 77, 109, 0.45);
  color: var(--c-red);
}

.badge-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-red);
  animation: pulse 1.4s infinite;
}

.stat-number {
  font-family: var(--font-num);
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 800;
  line-height: 1;
  color: var(--c-green);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--c-dim);
  margin-top: 8px;
}

.image-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--c-navy-2);
  border: 1px solid var(--c-border);
}

.image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.image-frame:hover img {
  transform: scale(1.03);
}

.image-frame-16-9 {
  aspect-ratio: 16 / 9;
}

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

.image-frame-1-1 {
  aspect-ratio: 1 / 1;
}

.image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 180px;
  background: linear-gradient(135deg, var(--c-navy-2) 0%, var(--c-navy) 100%);
  border-radius: var(--radius-lg);
  color: var(--c-dim);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.35;
    transform: scale(0.75);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .scroll-progress {
    transition: none;
  }
}