:root {
  --bg: #0c1118;
  --bg-soft: #111925;
  --panel: #142030;
  --panel-2: #101925;
  --line: rgba(255, 255, 255, 0.08);
  --text: #edf2f7;
  --muted: #aab8c7;
  --gold: #d8b067;
  --gold-soft: #f0d6a0;
  --green: #16352d;
  --green-soft: #1c4a3d;
  --accent: #63b3ed;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(32, 90, 70, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(78, 91, 202, 0.18), transparent 24%),
    linear-gradient(180deg, #0b1118 0%, #0f151d 100%);
  color: var(--text);
  line-height: 1.72;
}

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

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

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(12, 17, 24, 0.88);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 58px;
  height: 58px;
  object-fit: contain;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  padding: 5px;
  box-shadow: var(--shadow);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.83rem;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  padding: 10px 13px;
  border-radius: 999px;
  color: var(--muted);
  transition: 0.2s ease;
  font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(216, 176, 103, 0.13);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  color: #fff;
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
}

.mobile-panel {
  display: none;
  border-top: 1px solid var(--line);
  background: rgba(8, 13, 20, 0.98);
}

.mobile-panel-inner {
  padding: 14px 0 18px;
  display: grid;
  gap: 8px;
}

.mobile-panel .nav-link {
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  color: #e8edf2;
}

.mobile-panel.is-open {
  display: block;
}

.hero {
  padding: 44px 0 22px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: stretch;
}

.hero-copy,
.hero-visual {
  background: linear-gradient(180deg, rgba(20,32,48,0.92), rgba(12,19,28,0.95));
  border: 1px solid rgba(216, 176, 103, 0.12);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 34px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 10px 16px;
  background: rgba(216, 176, 103, 0.14);
  color: var(--gold-soft);
  border-radius: 999px;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.hero p {
  margin: 0;
  color: #d4deea;
  font-size: 1.03rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 26px;
}

.button,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 14px;
  font-weight: 700;
  transition: 0.2s ease;
}

.button {
  background: linear-gradient(180deg, #e7c17a, #c99e50);
  color: #16120d;
}

.button-ghost {
  border: 1px solid rgba(216,176,103,0.34);
  color: #fff;
  background: rgba(255,255,255,0.03);
}

.button:hover,
.button-ghost:hover {
  transform: translateY(-1px);
}

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

.mini-card {
  padding: 16px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
}

.mini-card h2,
.mini-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.mini-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-note {
  padding: 20px 22px 24px;
  background: linear-gradient(180deg, rgba(7,11,17,0.18), rgba(7,11,17,0.78));
}

.hero-note h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.hero-note p {
  margin: 0;
  color: var(--muted);
}

section {
  padding: 24px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 700px;
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stage-card {
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(17,25,37,0.94), rgba(10,16,23,0.98));
  border: 1px solid rgba(99,179,237,0.13);
}

.stage-step {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  background: rgba(99,179,237,0.15);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}

.stage-card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.stage-card p {
  margin: 0;
  color: var(--muted);
}

.position-band {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.table-panel,
.signal-panel,
.article-card,
.info-card,
.faq-list details,
.topic-group,
.guide-block,
.list-card,
.article-body,
.side-card,
.search-shell,
.page-hero,
.category-hero {
  background: linear-gradient(180deg, rgba(20,32,48,0.9), rgba(11,18,27,0.96));
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.table-panel {
  padding: 26px;
}

.position-row {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.position-row:last-child {
  border-bottom: none;
}

.position-row strong {
  color: var(--gold-soft);
  font-size: 1.05rem;
}

.position-row p {
  margin: 0;
  color: var(--muted);
}

.signal-panel {
  padding: 24px;
}

.signal-panel h3 {
  margin: 0 0 12px;
}

.signal-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.problem-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.problem-feature {
  padding: 28px;
  background: linear-gradient(160deg, rgba(22,53,45,0.72), rgba(11,18,27,0.98));
  border-radius: 28px;
  border: 1px solid rgba(216,176,103,0.14);
}

.problem-feature h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
}

.problem-feature p {
  margin: 0 0 14px;
  color: #d7deea;
}

.problem-grid {
  display: grid;
  gap: 16px;
}

.info-card {
  padding: 20px;
}

.info-card h3,
.article-card h3,
.topic-group h3,
.guide-block h3,
.side-card h3 {
  margin: 0 0 10px;
}

.info-card p,
.article-card p,
.topic-group p,
.guide-block p,
.side-card p,
.list-card p {
  margin: 0;
  color: var(--muted);
}

.topic-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.topic-group {
  padding: 20px;
}

.topic-links,
.footer-links,
.clean-list,
.inline-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.topic-links li + li,
.footer-links li + li,
.clean-list li + li {
  margin-top: 10px;
}

.topic-links a,
.footer-links a,
.clean-list a,
.inline-links a {
  color: #e6edf5;
}

.topic-links a:hover,
.footer-links a:hover,
.clean-list a:hover,
.inline-links a:hover {
  color: var(--gold-soft);
}

.updates-grid,
.article-grid,
.guide-grid,
.list-grid,
.category-grid {
  display: grid;
  gap: 16px;
}

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

.article-card,
.list-card {
  padding: 22px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(216,176,103,0.12);
  color: var(--gold-soft);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  color: var(--muted);
}

.page-hero,
.category-hero {
  padding: 28px;
  margin: 26px auto 0;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.breadcrumb span {
  color: #7d8b9c;
}

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

.guide-block {
  padding: 22px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  margin-top: 24px;
}

.article-body {
  padding: 28px;
}

.article-body h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.article-body h2 {
  margin: 30px 0 12px;
  font-size: 1.5rem;
  scroll-margin-top: 92px;
}

.article-body p {
  margin: 0 0 16px;
  color: #d4deea;
}

.toc {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.toc li + li {
  margin-top: 10px;
}

.side-stack {
  display: grid;
  gap: 18px;
  align-content: start;
}

.side-card {
  padding: 22px;
  position: sticky;
  top: 108px;
}

.side-card + .side-card {
  position: static;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.pager a {
  display: inline-flex;
  max-width: 48%;
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border-radius: 16px;
}

.search-shell {
  padding: 24px;
}

.search-controls {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 12px;
  margin-bottom: 18px;
}

input[type="search"],
select {
  width: 100%;
  min-height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: #fff;
  padding: 0 14px;
  font: inherit;
}

.search-results {
  display: grid;
  gap: 14px;
}

.result-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}

.result-card h3 {
  margin: 0 0 8px;
}

.result-card p {
  margin: 0;
  color: var(--muted);
}

.empty-state {
  color: var(--muted);
  text-align: center;
  padding: 30px 12px;
}

.site-footer {
  margin-top: 42px;
  border-top: 1px solid var(--line);
  background: rgba(7, 11, 16, 0.7);
}

.footer-grid {
  padding: 34px 0 42px;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 20px;
}

.footer-grid h2,
.footer-grid h3 {
  margin: 0 0 12px;
}

.footer-grid p {
  margin: 0;
  color: var(--muted);
}

.small-note {
  color: var(--muted);
  font-size: 0.94rem;
}

.pagination {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 20px;
}

.pagination a,
.pagination span {
  min-width: 42px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}

.pagination .current {
  background: rgba(216,176,103,0.12);
  color: var(--gold-soft);
}

@media (max-width: 1100px) {
  .hero-grid,
  .position-band,
  .problem-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .topic-map,
  .updates-grid,
  .article-grid,
  .list-grid,
  .guide-grid,
  .stage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .side-card {
    position: static;
  }
}

@media (max-width: 760px) {
  .desktop-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding-top: 22px;
  }

  .hero-copy,
  .hero-visual,
  .page-hero,
  .category-hero,
  .article-body,
  .search-shell {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-mini-grid,
  .topic-map,
  .updates-grid,
  .article-grid,
  .list-grid,
  .guide-grid,
  .stage-grid,
  .search-controls,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .position-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .brand-copy strong {
    font-size: 0.94rem;
  }

  .brand-copy small {
    font-size: 0.78rem;
  }

  .hero h1,
  .article-body h1 {
    letter-spacing: -0.03em;
  }

  .pager {
    flex-direction: column;
  }

  .pager a {
    max-width: none;
  }
}