:root {
  --bg: #f3f7f5;
  --bg-deep: #e7f0eb;
  --surface: #ffffff;
  --ink: #14241c;
  --ink-soft: #3d5248;
  --muted: #6b7f74;
  --line: #d5e3db;
  --brand: #0f7a5f;
  --brand-deep: #0a5c47;
  --brand-soft: #d8f3ea;
  --accent: #c45c26;
  --accent-soft: #fdeaf3;
  --shadow: 0 10px 30px rgba(15, 50, 38, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  --font-display: "Source Han Serif SC", "Noto Serif SC", "Songti SC", Georgia, serif;
  --font-body: "DM Sans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max: 1240px;
  --side: 220px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #c9ebe0 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #f3e2d4 0%, transparent 45%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  min-height: 100vh;
  line-height: 1.6;
}

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

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

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

.kg-skip {
  position: absolute;
  left: -999px;
}

.kg-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(243, 247, 245, 0.88);
  border-bottom: 1px solid rgba(213, 227, 219, 0.9);
}

.kg-topbar__inner {
  max-width: var(--max);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.kg-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}

.kg-brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--brand) 0%, #1aa884 55%, #0d6b53 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 18px rgba(15, 122, 95, 0.28);
}

.kg-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.kg-brand__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-deep);
}

.kg-brand__domain {
  font-size: 0.72rem;
  color: var(--muted);
}

.kg-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.kg-nav a {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.kg-nav a:hover,
.kg-nav a.is-active {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

.kg-menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

.kg-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem;
  display: grid;
  grid-template-columns: var(--side) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.kg-side {
  position: sticky;
  top: calc(var(--header-h) + 0.85rem);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem;
  box-shadow: var(--shadow);
}

.kg-side h2 {
  margin: 0 0 0.65rem;
  font-size: 0.86rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.kg-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}

.kg-side__list a {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.kg-side__list a:hover,
.kg-side__list a.is-active {
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 600;
}

.kg-main {
  min-width: 0;
  display: grid;
  gap: 1.25rem;
}

.kg-hero {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) + 4px);
  padding: 1.8rem 1.6rem 1.5rem;
  background:
    linear-gradient(135deg, rgba(15, 122, 95, 0.95), rgba(12, 84, 68, 0.92)),
    repeating-linear-gradient(
      -18deg,
      rgba(255, 255, 255, 0.05) 0,
      rgba(255, 255, 255, 0.05) 2px,
      transparent 2px,
      transparent 10px
    );
  color: #f5fffb;
  box-shadow: var(--shadow);
  animation: kg-fade-up 0.7s ease both;
}

.kg-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: 0.02em;
}

.kg-hero p {
  margin: 0.7rem 0 0;
  max-width: 46rem;
  color: rgba(245, 255, 251, 0.9);
  font-size: 1.02rem;
}

.kg-search {
  margin-top: 1.2rem;
  display: grid;
  gap: 0.7rem;
}

.kg-search__row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 0.55rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  padding: 0.45rem;
}

.kg-search select,
.kg-search input {
  border: 0;
  background: #fff;
  color: var(--ink);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  outline: none;
}

.kg-search button {
  border: 0;
  border-radius: 12px;
  padding: 0.75rem 1.15rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.kg-search button:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.kg-hot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.kg-hot span {
  font-size: 0.85rem;
  opacity: 0.85;
}

.kg-hot button {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
  cursor: pointer;
  font-size: 0.85rem;
}

.kg-hot button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.kg-panel {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.3rem;
  box-shadow: var(--shadow);
  animation: kg-fade-up 0.65s ease both;
}

.kg-panel__head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 0.95rem;
}

.kg-panel__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--brand-deep);
}

.kg-panel__head p,
.kg-guide {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.kg-panel__head a {
  color: var(--brand);
  font-weight: 600;
  white-space: nowrap;
}

.kg-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.kg-card {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 0.75rem;
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: linear-gradient(180deg, #fff, #f7fbf9);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.kg-card:hover {
  transform: translateY(-3px);
  border-color: #b9d8ca;
  box-shadow: 0 12px 24px rgba(20, 70, 52, 0.08);
}

.kg-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--brand-soft);
  border: 2px solid #bfe5d6;
  display: grid;
  place-items: center;
  overflow: hidden;
  font-weight: 700;
  color: var(--brand-deep);
}

.kg-card__icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 6px;
}

.kg-detail__hero .kg-card__icon img {
  width: 40px;
  height: 40px;
}

.kg-card__body h3 {
  margin: 0;
  font-size: 1rem;
}

.kg-card__body p {
  margin: 0.28rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kg-card__meta {
  margin-top: 0.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.kg-tag {
  font-size: 0.72rem;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: #eef6f2;
  color: var(--ink-soft);
}

.kg-actions {
  margin-top: 0.55rem;
  display: flex;
  gap: 0.45rem;
}

.kg-actions a,
.kg-actions button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0.25rem 0.55rem;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--ink-soft);
}

.kg-actions a.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.kg-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.kg-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.kg-pill strong {
  color: var(--brand-deep);
}

.kg-article-list {
  display: grid;
  gap: 0.75rem;
}

.kg-article-item {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0.95rem;
  border-radius: 12px;
  background: #f7fbf9;
  border: 1px solid var(--line);
}

.kg-article-item h3 {
  margin: 0;
  font-size: 1.02rem;
}

.kg-article-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.kg-article-item time {
  color: var(--muted);
  font-size: 0.8rem;
}

.kg-local {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.kg-empty {
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.4rem 0;
}

.kg-detail {
  display: grid;
  gap: 1rem;
}

.kg-detail__hero {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1rem;
  align-items: start;
}

.kg-detail__hero .kg-card__icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
}

.kg-detail__hero .kg-card__icon img {
  width: 40px;
  height: 40px;
}

.kg-detail__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.kg-stat {
  background: #f7fbf9;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem;
}

.kg-stat b {
  display: block;
  color: var(--brand-deep);
}

.kg-stat span {
  color: var(--muted);
  font-size: 0.82rem;
}

.kg-prose p {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
}

.kg-rate {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.kg-rate button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
}

.kg-rate button.is-on {
  background: var(--brand-soft);
  border-color: #9fd0bc;
  color: var(--brand-deep);
}

.kg-form {
  display: grid;
  gap: 0.85rem;
  max-width: 640px;
}

.kg-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.kg-form input,
.kg-form select,
.kg-form textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  background: #fff;
}

.kg-form button {
  width: fit-content;
  border: 0;
  border-radius: 10px;
  padding: 0.75rem 1.2rem;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.kg-form__msg {
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  display: none;
}

.kg-form__msg.is-show {
  display: block;
}

.kg-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.kg-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
  display: grid;
  gap: 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.kg-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.kg-footer__links a {
  color: var(--brand-deep);
}

.kg-404 {
  text-align: center;
  padding: 2.5rem 1rem;
}

.kg-404 h1 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  margin: 0;
  color: var(--brand-deep);
}

@keyframes kg-fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .kg-shell {
    grid-template-columns: 1fr;
  }

  .kg-side {
    position: static;
    display: none;
  }

  .kg-side.is-open {
    display: block;
  }

  .kg-menu-btn {
    display: inline-flex;
    margin-left: auto;
  }

  .kg-nav {
    display: none;
  }

  .kg-grid,
  .kg-local,
  .kg-detail__stats {
    grid-template-columns: 1fr 1fr;
  }

  .kg-search__row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .kg-topbar__inner {
    flex-wrap: wrap;
  }

  .kg-grid,
  .kg-local,
  .kg-detail__stats {
    grid-template-columns: 1fr;
  }

  .kg-brand__domain {
    display: none;
  }
}