:root {
  --bg: #d9ffe8;
  --bg2: #baf7d6;
  --green: #16a34a;
  --green2: #82f7b1;
  --ink: #07140c;
  --ink2: rgba(7, 20, 12, 0.72);
  --line: rgba(7, 20, 12, 0.12);
  --card: rgba(215, 255, 232, 0.42);
  --shadow: 0 16px 50px rgba(7, 20, 12, 0.14);
  --radius: 18px;
  --container: 1160px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 720px at 50% -25%, rgba(7, 20, 12, 0.22), transparent 55%),
    radial-gradient(1000px 700px at 15% -10%, rgba(22, 163, 74, 0.28), transparent 62%),
    radial-gradient(900px 600px at 95% 0%, rgba(130, 247, 177, 0.42), transparent 58%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  transform: translateY(-160%);
  transition: transform 200ms var(--ease);
  z-index: 20;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(210, 255, 232, 0.62);
  border-bottom: 1px solid rgba(7, 20, 12, 0.08);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(215, 255, 232, 0.62);
  border: 1px solid rgba(7, 20, 12, 0.08);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.brand-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-title {
  font-weight: 800;
  letter-spacing: 0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-sub {
  font-size: 12px;
  color: var(--ink2);
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: center;
}

.nav-link {
  font-size: 14px;
  color: var(--ink2);
  padding: 8px 10px;
  border-radius: 12px;
  transition:
    background 180ms var(--ease),
    color 180ms var(--ease);
}

.nav-link:hover {
  background: rgba(22, 163, 74, 0.1);
  color: var(--ink);
}

.header-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
}

.lang-switch {
  display: inline-flex;
  padding: 4px;
  border-radius: 14px;
  border: 1px solid rgba(7, 20, 12, 0.1);
  background: rgba(215, 255, 232, 0.62);
}

.lang-btn {
  border: 0;
  background: transparent;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink2);
  transition:
    background 180ms var(--ease),
    color 180ms var(--ease);
}

.lang-btn.is-active {
  background: rgba(22, 163, 74, 0.14);
  color: var(--ink);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(7, 20, 12, 0.14);
  background: rgba(215, 255, 232, 0.52);
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  transition:
    transform 180ms var(--ease),
    background 180ms var(--ease),
    border-color 180ms var(--ease);
}

.cta-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(22, 163, 74, 0.35);
}

.cta-solid {
  border-color: rgba(22, 163, 74, 0.5);
  background: linear-gradient(120deg, rgba(22, 163, 74, 0.92), rgba(130, 247, 177, 0.92));
  color: #05140b;
}

.cta-ghost {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(130, 247, 177, 0.35);
}

.hero {
  position: relative;
  padding: 46px 0 30px;
  min-height: 82vh;
  display: grid;
  align-items: center;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid rgba(22, 163, 74, 0.26);
  background: rgba(215, 255, 232, 0.5);
  border-radius: 999px;
  font-weight: 800;
  color: rgba(7, 20, 12, 0.78);
}

.hero-title {
  margin: 14px 0 10px;
  font-size: clamp(28px, 4.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.6px;
}

.hero-desc {
  margin: 0;
  color: var(--ink2);
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 56ch;
}

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

.metric {
  background: linear-gradient(135deg, rgba(130, 247, 177, 0.24), rgba(22, 163, 74, 0.08));
  border: 1px solid rgba(7, 20, 12, 0.1);
  border-radius: 16px;
  padding: 12px 12px;
  box-shadow: 0 8px 26px rgba(7, 20, 12, 0.06);
}

.metric-k {
  font-size: 12px;
  color: rgba(7, 20, 12, 0.66);
  font-weight: 800;
}

.metric-v {
  margin-top: 4px;
  font-size: 15px;
  font-weight: 900;
}

.hero-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.adv-tags {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.adv-tag {
  font-size: 12.5px;
  font-weight: 1000;
  letter-spacing: 0.2px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(7, 20, 12, 0.12);
  background: rgba(215, 255, 232, 0.44);
  color: rgba(7, 20, 12, 0.82);
}

.hero-visual {
  display: grid;
  justify-items: stretch;
}

.visual-card {
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(215, 255, 232, 0.42), rgba(22, 163, 74, 0.06));
  border: 1px solid rgba(7, 20, 12, 0.12);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.visual-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 16px 10px;
}

.visual-title {
  font-weight: 900;
  letter-spacing: 0.2px;
}

.visual-sub {
  font-size: 12.5px;
  color: rgba(7, 20, 12, 0.62);
  font-weight: 800;
}

.lobster-canvas {
  width: 100%;
  height: 340px;
  display: block;
  background:
    radial-gradient(700px 260px at 35% 25%, rgba(130, 247, 177, 0.25), transparent 55%),
    radial-gradient(500px 240px at 85% 70%, rgba(22, 163, 74, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(7, 20, 12, 0.08), rgba(7, 20, 12, 0));
}

.visual-bottom {
  padding: 12px 14px 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  font-size: 12px;
  font-weight: 900;
  color: rgba(7, 20, 12, 0.78);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(7, 20, 12, 0.12);
  background: rgba(215, 255, 232, 0.44);
}

.section {
  padding: 54px 0;
}

.section-alt {
  background:
    radial-gradient(1000px 460px at 25% 20%, rgba(22, 163, 74, 0.15), transparent 62%),
    radial-gradient(900px 460px at 85% 30%, rgba(130, 247, 177, 0.25), transparent 62%),
    rgba(10, 60, 34, 0.08);
  border-top: 1px solid rgba(7, 20, 12, 0.06);
  border-bottom: 1px solid rgba(7, 20, 12, 0.06);
}

.section-head {
  display: grid;
  gap: 10px;
  align-items: end;
  grid-template-columns: 1fr;
  margin-bottom: 18px;
}

.section-title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 34px);
  letter-spacing: -0.4px;
}

.section-desc {
  margin: 0;
  color: rgba(7, 20, 12, 0.72);
  line-height: 1.75;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.biz-card {
  --h: 150;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(215, 255, 232, 0.46), rgba(22, 163, 74, 0.05));
  border: 1px solid rgba(7, 20, 12, 0.12);
  padding: 16px 16px 14px;
  box-shadow: 0 10px 30px rgba(7, 20, 12, 0.08);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}

.biz-card::before {
  content: "";
  position: absolute;
  inset: -30%;
  background: conic-gradient(
    from 120deg,
    hsla(var(--h), 72%, 62%, 0.16),
    hsla(calc(var(--h) + 30), 82%, 60%, 0.16),
    hsla(calc(var(--h) - 30), 82%, 62%, 0.14),
    hsla(var(--h), 72%, 62%, 0.16)
  );
  filter: blur(18px);
  opacity: 0.95;
  animation: hueSpin 10s linear infinite;
}

.biz-card::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius) - 1px);
  background: rgba(215, 255, 232, 0.44);
  z-index: 0;
}

.biz-card > * {
  position: relative;
  z-index: 1;
}

.biz-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 950;
}

.biz-desc {
  margin: 0 0 10px;
  color: rgba(7, 20, 12, 0.72);
  line-height: 1.72;
  font-size: 14px;
}

.biz-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.biz-tags li {
  font-size: 12.5px;
  font-weight: 900;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.2);
  color: rgba(7, 20, 12, 0.84);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.cap-item {
  border-radius: 18px;
  padding: 14px 14px;
  background: linear-gradient(135deg, rgba(215, 255, 232, 0.44), rgba(22, 163, 74, 0.05));
  border: 1px solid rgba(7, 20, 12, 0.12);
  box-shadow: 0 10px 26px rgba(7, 20, 12, 0.06);
}

.cap-k {
  font-weight: 950;
  margin-bottom: 6px;
}

.cap-v {
  color: rgba(7, 20, 12, 0.72);
  line-height: 1.68;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.step {
  border-radius: 18px;
  padding: 14px 14px;
  background: linear-gradient(135deg, rgba(215, 255, 232, 0.44), rgba(22, 163, 74, 0.05));
  border: 1px solid rgba(7, 20, 12, 0.12);
  box-shadow: 0 10px 26px rgba(7, 20, 12, 0.06);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
}

.step-n {
  font-weight: 1000;
  letter-spacing: -0.4px;
  color: rgba(22, 163, 74, 0.92);
  font-size: 18px;
}

.step-t {
  font-weight: 950;
  margin-bottom: 6px;
}

.step-d {
  color: rgba(7, 20, 12, 0.72);
  line-height: 1.65;
  font-size: 13.5px;
}

.site-footer {
  padding: 40px 0 46px;
  border-top: 1px solid rgba(7, 20, 12, 0.08);
  background:
    radial-gradient(900px 420px at 10% 0%, rgba(22, 163, 74, 0.2), transparent 64%),
    radial-gradient(900px 420px at 90% 40%, rgba(130, 247, 177, 0.25), transparent 64%),
    rgba(10, 60, 34, 0.08);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.75fr 0.85fr;
  gap: 12px;
  align-items: start;
}

.footer-title {
  font-weight: 1000;
  font-size: 18px;
}

.footer-desc {
  margin-top: 8px;
  color: rgba(7, 20, 12, 0.72);
  line-height: 1.75;
}

.footer-meta {
  text-align: right;
  display: grid;
  gap: 10px;
}

.footer-slogan {
  font-weight: 950;
  color: rgba(7, 20, 12, 0.74);
}

.footer-icp {
  display: inline-flex;
  justify-content: flex-end;
  width: fit-content;
  font-weight: 900;
  color: rgba(7, 20, 12, 0.62);
}

.footer-icp:hover {
  color: rgba(7, 20, 12, 0.86);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(22, 163, 74, 0.55);
  text-underline-offset: 6px;
}

.footer-wechat {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.wechat-title {
  font-weight: 1000;
  font-size: 14px;
  color: rgba(7, 20, 12, 0.78);
}

.wechat-qr {
  width: 124px;
  height: 124px;
  border-radius: 16px;
  border: 1px solid rgba(7, 20, 12, 0.14);
  background: rgba(215, 255, 232, 0.42);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.qr-img,
.qr-canvas {
  width: 124px;
  height: 124px;
  display: none;
}

.qr-img.is-show,
.qr-canvas.is-show {
  display: block;
}

.wechat-btn {
  width: fit-content;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 20, 12, 0.52);
  backdrop-filter: blur(6px);
}

.modal-panel {
  position: relative;
  width: min(560px, calc(100% - 26px));
  border-radius: 22px;
  border: 1px solid rgba(130, 247, 177, 0.22);
  background:
    radial-gradient(700px 420px at 20% 15%, rgba(22, 163, 74, 0.28), transparent 62%),
    radial-gradient(700px 420px at 90% 80%, rgba(130, 247, 177, 0.22), transparent 62%),
    rgba(7, 20, 12, 0.88);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.38);
  color: rgba(246, 255, 250, 0.92);
  overflow: hidden;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(130, 247, 177, 0.16);
}

.modal-title {
  font-weight: 1000;
  letter-spacing: 0.2px;
}

.modal-x {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  border: 1px solid rgba(130, 247, 177, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(246, 255, 250, 0.9);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

.modal-body {
  padding: 16px;
  display: grid;
  justify-items: center;
  gap: 12px;
}

.modal-qr-img,
.modal-qr-canvas {
  width: min(360px, 86vw);
  height: min(360px, 86vw);
  display: none;
  border-radius: 18px;
  border: 1px solid rgba(130, 247, 177, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.modal-qr-img.is-show,
.modal-qr-canvas.is-show {
  display: block;
}

.modal-hint {
  font-weight: 900;
  color: rgba(246, 255, 250, 0.78);
}

@keyframes hueSpin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand actions"
      "nav nav";
    gap: 10px;
  }

  .brand {
    grid-area: brand;
  }

  .header-actions {
    grid-area: actions;
  }

  .nav {
    grid-area: nav;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .lobster-canvas {
    height: 320px;
  }

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

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

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

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(var(--container), calc(100% - 26px));
  }

  .hero {
    min-height: auto;
    padding: 34px 0 22px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

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

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

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