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

:root {
  --kivi-green: #00E676;
  --kivi-green-deep: #00C853;
  --kivi-orange: #FF6D00;
  --kivi-yellow: #FFD740;
  --kivi-dark: #1B3A2D;
  --kivi-charcoal: #333333;
  --kivi-mint: #F1F8F4;
  --kivi-white: #FFFFFF;
  --kivi-header-bg: rgba(248, 255, 249, 0.92);
  --kivi-shadow: 0 8px 32px rgba(27, 58, 45, 0.10);
  --kivi-shadow-lg: 0 16px 48px rgba(27, 58, 45, 0.16);
  --kivi-radius-lg: 24px;
  --kivi-radius-pill: 999px;
  --kivi-header-h: 60px;
  --kivi-content-w: 1200px;
  --kivi-font-head: "Noto Sans SC", "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", sans-serif;
  --kivi-font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --kivi-font-data: "JetBrains Mono", "SF Mono", "Cascadia Code", Consolas, monospace;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--kivi-font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--kivi-dark);
  background: var(--kivi-white);
  overflow-x: hidden;
}

main {
  display: block;
  padding-top: var(--kivi-header-h);
}

#main-content {
  scroll-margin-top: 72px;
}

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

a {
  color: var(--kivi-green-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--kivi-font-head);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.5px;
}

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

::selection {
  background: var(--kivi-green);
  color: var(--kivi-dark);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--kivi-green), var(--kivi-orange));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
  z-index: 2;
}

.skip-link {
  position: fixed;
  top: -120px;
  left: 20px;
  background: var(--kivi-dark);
  color: var(--kivi-green);
  padding: 12px 24px;
  border-radius: 0 0 16px 16px;
  z-index: 9999;
  font-family: var(--kivi-font-body);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--kivi-shadow);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  text-decoration: none;
}

.kivi-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--kivi-header-h);
  background: var(--kivi-header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 230, 118, 0.18);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand-lock {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--kivi-dark);
}

.brand-lock:hover {
  text-decoration: none;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--kivi-dark);
  color: var(--kivi-green);
  border-radius: 12px;
  font-family: var(--kivi-font-data);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  box-shadow: inset 0 0 0 2px rgba(0, 230, 118, 0.4);
}

.brand-word {
  font-family: var(--kivi-font-head);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.2;
}

.brand-tag {
  display: inline-block;
  background: var(--kivi-yellow);
  color: var(--kivi-dark);
  font-family: var(--kivi-font-data);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--kivi-radius-pill);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav-trigger {
  display: none;
}

@media (max-width: 1024px) {
  .nav-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--kivi-dark);
    color: var(--kivi-green);
    border: none;
    border-radius: var(--kivi-radius-pill);
    padding: 14px 28px;
    font-family: var(--kivi-font-body);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(27, 58, 45, 0.35);
    z-index: 1001;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  }

  .nav-trigger:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 10px 32px rgba(27, 58, 45, 0.4);
    background: var(--kivi-green-deep);
    color: var(--kivi-white);
  }
}

.nav-trigger-icon {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.nav-trigger-icon::before,
.nav-trigger-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.nav-trigger-icon::before {
  top: -5px;
}

.nav-trigger-icon::after {
  bottom: -5px;
}

.nav-capsule {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 230, 118, 0.2);
  box-shadow: var(--kivi-shadow);
}

@media (min-width: 1025px) {
  .nav-capsule {
    position: fixed;
    left: 28px;
    top: 50%;
    transform: translateY(-50%);
    width: 194px;
    border-radius: 32px;
    padding: 18px 12px 14px;
    z-index: 900;
  }
}

@media (max-width: 1024px) {
  .nav-capsule {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 28px 28px 0 0;
    padding: 24px 20px 96px;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    max-height: 86vh;
    overflow-y: auto;
  }

  .nav-capsule[data-open] {
    transform: translateY(0);
  }
}

.nav-capsule-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 12px 10px;
  border-bottom: 1px solid rgba(27, 58, 45, 0.08);
}

.nav-capsule-label {
  font-family: var(--kivi-font-data);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--kivi-charcoal);
  text-transform: uppercase;
}

.nav-capsule-count {
  font-family: var(--kivi-font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--kivi-orange);
  background: rgba(255, 109, 0, 0.08);
  padding: 2px 8px;
  border-radius: 8px;
}

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

.nav-link {
  display: block;
  padding: 11px 16px;
  border-radius: 14px;
  color: var(--kivi-dark);
  font-family: var(--kivi-font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.nav-link:hover {
  background: var(--kivi-mint);
  color: var(--kivi-green-deep);
  transform: translateX(2px);
  text-decoration: none;
}

.nav-link[aria-current="page"] {
  background: var(--kivi-dark);
  color: var(--kivi-green);
  font-weight: 700;
  box-shadow: inset 4px 0 0 var(--kivi-orange);
}

.nav-capsule-foot {
  padding: 10px 12px 4px;
  border-top: 1px solid rgba(27, 58, 45, 0.08);
  font-family: var(--kivi-font-data);
  font-size: 11px;
  color: var(--kivi-charcoal);
  letter-spacing: 2px;
  text-align: right;
}

@media (max-width: 1024px) {
  .nav-link {
    font-size: 17px;
    padding: 14px 16px;
  }

  .nav-capsule-foot {
    text-align: center;
  }
}

.nav-overlay {
  display: none;
}

@media (max-width: 1024px) {
  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(27, 58, 45, 0.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 990;
  }

  .nav-overlay[data-open] {
    opacity: 1;
    visibility: visible;
  }
}

.kivi-footer {
  position: relative;
  background: var(--kivi-dark);
  color: rgba(255, 255, 255, 0.85);
  overflow: hidden;
  margin-top: 64px;
}

.footer-glow {
  position: absolute;
  top: -120px;
  right: 5%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(0, 230, 118, 0.18) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.6fr;
  gap: 48px;
  max-width: var(--kivi-content-w);
  margin: 0 auto;
  padding: 64px 24px 40px;
  position: relative;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 20px 32px;
  }

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

.footer-brand-word {
  font-family: var(--kivi-font-head);
  font-size: 28px;
  font-weight: 800;
  color: var(--kivi-green);
  letter-spacing: 3px;
  text-decoration: none;
}

.footer-brand-word:hover {
  color: var(--kivi-yellow);
  text-decoration: none;
}

.footer-statement {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  max-width: 380px;
}

.footer-heading {
  display: block;
  font-family: var(--kivi-font-data);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--kivi-yellow);
  margin-bottom: 16px;
  font-weight: 600;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--kivi-green);
  transform: translateX(3px);
  text-decoration: none;
}

.footer-contact li {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--kivi-font-body);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: var(--kivi-content-w);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-copy,
.footer-icp {
  font-family: var(--kivi-font-data);
  letter-spacing: 1px;
}

.kivi-content {
  width: 100%;
  max-width: var(--kivi-content-w);
  margin: 0 auto;
  padding: 0 24px;
}

.kivi-section {
  padding: 64px 0;
}

.kivi-section--mint {
  background: var(--kivi-mint);
}

.kivi-section--dark {
  background: var(--kivi-dark);
  color: var(--kivi-white);
}

.kivi-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.kivi-grid > * {
  grid-column: span 4;
}

@media (max-width: 900px) {
  .kivi-grid > * {
    grid-column: span 6;
  }
}

@media (max-width: 600px) {
  .kivi-grid > * {
    grid-column: span 12;
  }
}

.kivi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--kivi-radius-pill);
  font-family: var(--kivi-font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  background: var(--kivi-green);
  color: var(--kivi-dark);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.kivi-btn:hover {
  background: var(--kivi-green-deep);
  color: var(--kivi-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 230, 118, 0.35);
  text-decoration: none;
}

.kivi-btn--ghost {
  background: transparent;
  border-color: var(--kivi-dark);
  color: var(--kivi-dark);
}

.kivi-btn--ghost:hover {
  background: var(--kivi-dark);
  color: var(--kivi-green);
  border-color: var(--kivi-dark);
}

.kivi-btn--orange {
  background: var(--kivi-orange);
  color: var(--kivi-white);
}

.kivi-btn--orange:hover {
  background: #FF5722;
  color: var(--kivi-white);
  box-shadow: 0 8px 24px rgba(255, 109, 0, 0.35);
}

.kivi-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 16px 0;
  font-size: 14px;
  font-family: var(--kivi-font-body);
}

.kivi-breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kivi-breadcrumb li + li::before {
  content: "/";
  color: rgba(27, 58, 45, 0.35);
  font-family: var(--kivi-font-data);
  font-size: 12px;
}

.kivi-breadcrumb a {
  color: var(--kivi-green-deep);
  text-decoration: none;
}

.kivi-breadcrumb a:hover {
  color: var(--kivi-orange);
  text-decoration: underline;
}

.kivi-breadcrumb [aria-current] {
  color: var(--kivi-charcoal);
  font-weight: 600;
}

.kivi-card {
  background: var(--kivi-white);
  border-radius: var(--kivi-radius-lg);
  padding: 28px;
  box-shadow: var(--kivi-shadow);
  border: 1px solid rgba(0, 230, 118, 0.15);
}

.kivi-media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--kivi-mint) 0%, rgba(0, 230, 118, 0.12) 100%);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kivi-media--tall {
  aspect-ratio: 4 / 5;
}

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

.kivi-timeline {
  position: relative;
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.kivi-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: linear-gradient(180deg, var(--kivi-green) 0%, var(--kivi-orange) 100%);
  border-radius: 3px;
}

.kivi-timeline-item {
  position: relative;
  padding: 12px 0;
}

.kivi-timeline-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--kivi-white);
  border: 3px solid var(--kivi-green);
}

.kivi-timeline-item:nth-child(even)::before {
  border-color: var(--kivi-orange);
}

@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;
  }
}