:root {
  --lz-green: #166534;
  --lz-green-dark: #14532D;
  --lz-sky: #0284C7;
  --lz-mist: #F0FDF4;
  --lz-paper: #FFFFFF;
  --lz-ink: #14532D;
  --lz-muted: #4D7C6F;
  --lz-line: #BBF7D0;
  --lz-radius: 14px;
  --lz-wrap: 1120px;
  --lz-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--lz-font);
  color: var(--lz-ink);
  background: var(--lz-mist);
  line-height: 1.65;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; transition: color .2s, background .2s, border-color .2s, transform .2s, box-shadow .2s; }
a:hover { color: var(--lz-green); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.3; }

.lz-wrap {
  width: min(100% - 32px, var(--lz-wrap));
  margin-inline: auto;
}

/* Header */
.lz-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--lz-line);
}

.lz-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
}

.lz-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.lz-logo img { height: 40px; width: auto; }

.lz-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px 10px 4px 4px;
  background: linear-gradient(180deg, var(--lz-sky), var(--lz-green));
  color: #fff;
  font-size: 1.05rem;
  font-weight: 800;
}

.lz-logo strong { display: block; font-size: 1.08rem; }
.lz-logo em {
  display: block;
  font-style: normal;
  font-size: 0.72rem;
  color: var(--lz-muted);
  margin-top: 2px;
}

.lz-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lz-nav > ul {
  display: flex;
  align-items: center;
  gap: 2px;
}

.lz-nav > ul > li { position: relative; }

.lz-nav > ul > li > a {
  display: block;
  padding: 10px 13px;
  font-size: 0.92rem;
  color: #365314;
}

.lz-nav > ul > li > a:hover,
.lz-nav > ul > li.is-active > a {
  color: var(--lz-green);
}

.lz-nav > ul > li.is-active > a {
  box-shadow: inset 0 -2px 0 var(--lz-sky);
}

.lz-subnav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--lz-line);
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(22, 101, 52, 0.1);
}

.lz-nav > ul > li.has-child:hover > .lz-subnav { display: block; }

.lz-subnav a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--lz-muted);
}

.lz-subnav a:hover,
.lz-subnav .is-active a {
  background: rgba(22, 101, 52, 0.08);
  color: var(--lz-green);
}

.lz-search {
  display: flex;
  border: 1px solid var(--lz-line);
  border-radius: 999px;
  overflow: hidden;
  background: #F0FDF4;
}

.lz-search input {
  width: 128px;
  border: 0;
  padding: 8px 12px;
  font-size: 0.85rem;
  outline: none;
  background: transparent;
}

.lz-search button {
  border: 0;
  background: var(--lz-green);
  color: #fff;
  padding: 8px 14px;
  font-size: 0.82rem;
  cursor: pointer;
}

.lz-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--lz-line);
  border-radius: 10px;
  background: #fff;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.lz-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--lz-ink);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}

body.nav-open .lz-nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .lz-nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .lz-nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.lz-nav-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 83, 45, 0.4);
  z-index: 90;
}

body.nav-open .lz-nav-mask { display: block; }

/* Mountain peaks hero */
.lz-peaks {
  position: relative;
  overflow: hidden;
  padding: 64px 0 88px;
  color: #fff;
  background: linear-gradient(180deg, #0C4A6E 0%, #166534 55%, #14532D 100%);
}

.lz-peaks-bg {
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  pointer-events: none;
}

.lz-peak {
  position: absolute;
  bottom: 0;
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-color: transparent transparent rgba(255, 255, 255, 0.12) transparent;
}

.lz-peak-1 {
  left: -5%;
  border-width: 0 180px 120px 180px;
}

.lz-peak-2 {
  left: 28%;
  border-width: 0 220px 150px 220px;
  border-bottom-color: rgba(2, 132, 199, 0.2);
}

.lz-peak-3 {
  right: -8%;
  border-width: 0 200px 110px 200px;
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.lz-peaks-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.lz-eyebrow {
  margin: 0 0 12px;
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: #7DD3FC;
  font-weight: 700;
}

.lz-peaks h1 {
  font-size: clamp(1.85rem, 4.2vw, 2.7rem);
}

.lz-peaks-desc {
  margin: 14px 0 0;
  color: rgba(240, 253, 244, 0.9);
  font-size: 1.05rem;
  max-width: 34em;
}

.lz-peaks-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.lz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 600;
}

.lz-btn-primary {
  background: #fff;
  color: var(--lz-green-dark);
}

.lz-btn-primary:hover {
  background: #ECFDF5;
  color: var(--lz-green-dark);
}

.lz-btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
}

.lz-btn-ghost:hover {
  border-color: #7DD3FC;
  color: #7DD3FC;
}

/* Alternating full-width bands */
.lz-bands { margin-top: -24px; position: relative; z-index: 2; }

.lz-band {
  padding: 28px 0;
}

.lz-band:nth-child(odd) {
  background: #fff;
}

.lz-band:nth-child(even) {
  background: #ECFDF5;
}

.lz-band-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: center;
  color: inherit;
}

.lz-band:nth-child(even) .lz-band-card {
  direction: rtl;
}

.lz-band:nth-child(even) .lz-band-card > * {
  direction: ltr;
}

.lz-band-card:hover {
  color: inherit;
}

.lz-band-card:hover h2 { color: var(--lz-green); }

.lz-band-cover {
  border-radius: var(--lz-radius);
  overflow: hidden;
  min-height: 180px;
  background: #BBF7D0;
  box-shadow: 0 12px 28px rgba(22, 101, 52, 0.1);
}

.lz-band-cover img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.lz-band-ph {
  height: 180px;
  background: linear-gradient(145deg, #14532D, #0284C7);
}

.lz-band-body { min-width: 0; }

.lz-chip {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  background: rgba(2, 132, 199, 0.12);
  color: var(--lz-sky);
  margin-bottom: 10px;
}

.lz-band-body h2 {
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  margin-bottom: 10px;
}

.lz-band-body p {
  margin: 0 0 12px;
  color: var(--lz-muted);
  font-size: 0.95rem;
}

.lz-band-body time {
  font-size: 0.82rem;
  color: var(--lz-muted);
}

.lz-section-hd {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--lz-green);
}

.lz-section-hd h2 {
  font-size: 1.2rem;
  color: var(--lz-green-dark);
}

.lz-section-hd a,
.lz-section-hd span {
  font-size: 0.85rem;
  color: var(--lz-muted);
}

.lz-section-hd a:hover { color: var(--lz-green); }

/* Industry stack */
.lz-industry {
  margin: 36px 0 28px;
  padding: 22px;
  background: var(--lz-paper);
  border: 1px solid var(--lz-line);
  border-radius: var(--lz-radius);
}

.lz-news-stack li {
  border-bottom: 1px solid var(--lz-line);
}

.lz-news-stack li:last-child { border-bottom: 0; }

.lz-news-stack a {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 16px 0;
  color: inherit;
}

.lz-news-stack time {
  font-size: 0.88rem;
  color: var(--lz-sky);
  font-weight: 600;
  padding-top: 4px;
}

.lz-news-stack h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.lz-news-stack p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--lz-muted);
}

/* Duo */
.lz-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 48px;
}

.lz-duo-col {
  padding: 18px;
  background: var(--lz-paper);
  border: 1px solid var(--lz-line);
  border-radius: var(--lz-radius);
}

.lz-duo-accent {
  background: linear-gradient(165deg, rgba(2, 132, 199, 0.08), #fff 50%);
  border-color: rgba(2, 132, 199, 0.2);
}

.lz-plain-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--lz-line);
  font-size: 0.9rem;
}

.lz-plain-list li:last-child { border-bottom: 0; }

.lz-plain-list span {
  flex-shrink: 0;
  color: var(--lz-muted);
  font-size: 0.8rem;
}

/* Inner */
.lz-crumb {
  padding: 14px 0;
  font-size: 0.88rem;
  color: var(--lz-muted);
  border-bottom: 1px solid var(--lz-line);
  background: #fff;
}

.lz-crumb span { margin: 0 6px; color: #86EFAC; }

.lz-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  padding: 28px 0 48px;
}

.lz-panel {
  background: var(--lz-paper);
  border: 1px solid var(--lz-line);
  border-radius: var(--lz-radius);
  padding: 18px;
  margin-bottom: 18px;
}

.lz-panel-hd {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--lz-line);
}

.lz-panel-hd h3 { font-size: 1rem; }

.lz-list-panel,
.lz-detail { margin-bottom: 0; }

.lz-page-title {
  font-size: 1.4rem;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--lz-green);
  color: var(--lz-green-dark);
}

.lz-article-list li { border-bottom: 1px solid var(--lz-line); }
.lz-article-list li:last-child { border-bottom: 0; }

.lz-article-list a {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  align-items: flex-start;
  color: inherit;
}

.lz-article-list img {
  width: 140px;
  height: 96px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
}

.lz-article-list h2 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

.lz-article-list p {
  margin: 0 0 8px;
  font-size: 0.9rem;
  color: var(--lz-muted);
}

.lz-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--lz-muted);
}

.lz-meta.center {
  justify-content: center;
  margin: 14px 0 22px;
}

.lz-detail > h1 {
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  text-align: center;
  color: var(--lz-green-dark);
}

.lz-richtext {
  font-size: 1.02rem;
  line-height: 1.85;
  color: #365314;
}

.lz-richtext p { margin: 0 0 1em; }
.lz-richtext img { margin: 1em auto; border-radius: 12px; }
.lz-richtext h2, .lz-richtext h3 { margin: 1.2em 0 0.6em; }

.lz-pagerow {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--lz-line);
  font-size: 0.92rem;
}

.lz-pagerow a { color: var(--lz-green); }
.lz-pagerow span { color: var(--lz-muted); }

.lz-empty {
  padding: 40px 0;
  text-align: center;
  color: var(--lz-muted);
}

.lz-rank { counter-reset: lzrank; }

.lz-rank li {
  counter-increment: lzrank;
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--lz-line);
  font-size: 0.88rem;
}

.lz-rank li:last-child { border-bottom: 0; }

.lz-rank li::before {
  content: counter(lzrank);
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  background: #DCFCE7;
  color: var(--lz-green);
}

.lz-rank li:nth-child(-n+3)::before {
  background: var(--lz-sky);
  color: #fff;
}

.lz-side-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--lz-line);
  font-size: 0.9rem;
}

.lz-side-list li:last-child { border-bottom: 0; }

.lz-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lz-tags a {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--lz-muted);
  border: 1px solid var(--lz-line);
  background: #F0FDF4;
}

.lz-tags a:hover {
  color: var(--lz-green);
  border-color: var(--lz-green);
}

.lz-ad {
  font-size: 0.9rem;
  color: var(--lz-muted);
}

.lz-pagination { margin-top: 22px; }

.lz-page {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.lz-page a,
.lz-page .dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid var(--lz-line);
  font-size: 0.88rem;
  color: var(--lz-muted);
  background: #fff;
}

.lz-page .active a,
.lz-page a:hover {
  background: var(--lz-green);
  border-color: var(--lz-green);
  color: #fff;
}

/* Footer */
.lz-footer {
  padding: 44px 0 26px;
  background: #052E16;
  color: #BBF7D0;
}

.lz-footer a { color: #BBF7D0; }
.lz-footer a:hover { color: #7DD3FC; }

.lz-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 24px;
}

.lz-footer h3 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.lz-footer h4 {
  color: #7DD3FC;
  font-size: 0.92rem;
  margin-bottom: 12px;
}

.lz-footer p {
  margin: 0 0 8px;
  font-size: 0.9rem;
  color: #86EFAC;
}

.lz-foot-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lz-foot-links a { font-size: 0.9rem; }

.lz-friendlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

.lz-copy {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
  color: #86EFAC;
}

/* Responsive */
@media (max-width: 960px) {
  .lz-band-card,
  .lz-duo,
  .lz-layout { grid-template-columns: 1fr; }
  .lz-band:nth-child(even) .lz-band-card { direction: ltr; }
  .lz-footer-grid { grid-template-columns: 1fr; }
  .lz-side { order: 2; }
  .lz-band-cover img,
  .lz-band-ph { height: 160px; }
}

@media (max-width: 768px) {
  .lz-nav-toggle { display: flex; }

  .lz-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(86vw, 320px);
    height: 100vh;
    z-index: 110;
    flex-direction: column;
    align-items: stretch;
    padding: 80px 20px 24px;
    background: #fff;
    border-left: 1px solid var(--lz-line);
    transform: translateX(105%);
    transition: transform .28s ease;
    overflow-y: auto;
  }

  .lz-nav.is-open { transform: translateX(0); }

  .lz-nav > ul {
    flex-direction: column;
    align-items: stretch;
  }

  .lz-nav > ul > li > a {
    border-radius: 8px;
    padding: 12px 14px;
  }

  .lz-nav > ul > li.is-active > a {
    box-shadow: none;
    background: rgba(22, 101, 52, 0.08);
  }

  .lz-subnav {
    position: static;
    display: none;
    margin: 0 0 4px 10px;
    box-shadow: none;
    border: 0;
    padding: 0;
  }

  .lz-nav > ul > li.has-child.is-open > .lz-subnav,
  .lz-nav > ul > li.has-child:hover > .lz-subnav { display: block; }

  .lz-search { width: 100%; margin-top: 14px; }
  .lz-search input { width: 100%; flex: 1; }

  .lz-peaks { padding: 44px 0 72px; }
  .lz-news-stack a { grid-template-columns: 1fr; gap: 4px; }

  .lz-article-list a { flex-direction: column; }
  .lz-article-list img {
    width: 100%;
    height: 160px;
  }

  .lz-detail > h1 { text-align: left; }
  .lz-meta.center { justify-content: flex-start; }
}